CN105446208A - Switch array circuit capable of being connected with cells at different positions in switching manner - Google Patents
Switch array circuit capable of being connected with cells at different positions in switching manner Download PDFInfo
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- CN105446208A CN105446208A CN201410552810.8A CN201410552810A CN105446208A CN 105446208 A CN105446208 A CN 105446208A CN 201410552810 A CN201410552810 A CN 201410552810A CN 105446208 A CN105446208 A CN 105446208A
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Abstract
The invention relates to a switch array circuit capable of being connected with cells at different positions in a switching manner and solves the problems that the circuit is complex, the cost is high, the size is large, the overcurrent capability is lower, and the channel impedance is high. According to the technical scheme, the switch array circuit further comprises a front end channel switch circuit, a cell polarity selecting circuit, a sampling circuit and a single-chip microcomputer, an output end of a cell group is connected with a first conduction end of the front end channel switch circuit, a second conduction end of the front end channel switch circuit is electrically connected with an input end of the cell polarity selecting circuit, an output end of the cell polarity selecting circuit is electrically connected with the single-chip microcomputer through the sampling circuit, the single-chip microcomputer is further connected with a control end of the front end channel switch circuit and the conduction ends of the cell polarity selecting circuit. According to the invention, the circuit is simple, the cost is low, the size is small, the overcurrent capability is high, and the channel impedance is low.
Description
Technical field
The invention belongs to switch arrays circuit, particularly a kind of switch arrays circuit of changeable access diverse location battery.
Background technology
The circuit of the switch arrays circuit in currently available technology is complicated, cost is high, volume is large, overcurrent capability is little, path resistance is high, China Patent Publication No. CN102520339A, publication date on June 27th, 2012, disclose the present invention relates to and be located at contact circuit board testing system, it comprises: computer interface, first, second FPGA circuit be connected with computer interface, what be connected with the control signal output terminal of first, second FPGA circuit at least comprises a triode switch array circuit formed pipe circuit by two groups; Described comprises a positive-negative-positive and NPN type triode to pipe circuit, and this positive-negative-positive is connected with the collector of NPN type triode; It is many that the present invention tests nodal point number, and FGPA circuit has good extendability, effective benchmark test point can be found out fast, obtain the knot-net based on this point, antijamming capability is strong, can not affect the Voltammetric Relation of knot-net because of leakage current or drain voltage.But switch arrays circuit wherein still exists circuit complexity, and cost is high, volume is large, and overcurrent capability is little, the problem that path resistance is high.
Summary of the invention
The object of the invention is that solving switch arrays circuit still exists circuit complexity, and cost is high, and volume is large, and overcurrent capability is little, the problem that path resistance is high, provides a kind of switch arrays circuit of changeable access diverse location battery.
The technical solution adopted for the present invention to solve the technical problems is: a kind of switch arrays circuit of changeable access diverse location battery, the electric battery that the sub-electric battery comprising several series connection is formed, powered by digital power, also comprise front passage on-off circuit, battery polar selection circuit, sample circuit and single-chip microcomputer, the output terminal of described electric battery is connected with the first conduction terminal of described front passage on-off circuit, second conduction terminal of front passage on-off circuit is electrically connected with the input end of described battery polar selection circuit, the output terminal of described battery polar selection circuit is electrically connected with described single-chip microcomputer by sample circuit, described single-chip microcomputer is also connected with the control end of described front passage on-off circuit, described single-chip microcomputer is also connected with the conduction terminal of described battery polar selection circuit.This on-off circuit is sustainable by big current, the sustainable electric current by 5A; This on-off circuit passage has Low ESR, can as sampling with high precision passage; This on-off circuit discrete component forms; This on-off circuit volume is little, and cost is low.
As preferably, every sub-electric battery includes a corresponding signal circuit and two minimum on-off circuits, the input end of described minimum on-off circuit is electrically connected with digital power, a conduction terminal of described minimum on-off circuit is connected with a pole of sub-electric battery, another conduction terminal of minimum on-off circuit is connected with the input end of battery polar selection circuit, the output terminal of minimum on-off circuit is connected with the input end of described signal circuit, and the control end of described signal circuit connects single-chip microcomputer.
As preferably, described minimum on-off circuit comprises resistance R3, resistance R4, resistance R5, resistance R6 field effect transistor Q7, field effect transistor Q8, diode D1 and triode Q25, resistance R6 one end is connected with the base stage of triode Q25, the resistance R6 other end is connected with the emitter of triode Q25, the emitter of triode Q25 is electrically connected with digital power, one end of resistance R3 is connected with the base stage of triode Q25, the other end of resistance R3 is connected with the input end of described signal circuit by diode D1, the collector of described triode Q25 by resistance R5 respectively with the grid of field effect transistor Q7, one end of resistance R4 is connected with the grid of field effect transistor Q8, the other end of resistance R4 divides and is connected with the source electrode of field effect transistor Q7 and the source electrode of field effect transistor Q8, the drain electrode of field effect transistor Q7 connects with a pole of corresponding sub-electric battery, the drain electrode of field effect transistor Q8 is connected with the input end of described signal circuit, described signal circuit comprises triode Q1, resistance R1 and resistance R2, the collector of described triode Q1 is connected with the diode D1 of minimum on-off circuit, the base stage of triode Q1 is connected with single-chip microcomputer, the emitter of triode Q1 is by resistance R1 ground connection, resistance R2 is connected with between the base stage of triode Q1 and the emitter of described triode Q1.
As preferably, described minimum on-off circuit is multiplex circuit, and the output terminal of each minimum on-off circuit is also connected with the input end of adjacent described signal circuit.
As preferably, battery polar selection circuit comprises the identical positive polarity selection circuit of circuit structure and negative polarity selection circuit, described positive polarity selection circuit input end is connected with the output terminal of front passage on-off circuit, described positive polarity selection circuit output terminal is cathode output end, described negative polarity selection circuit input end is connected with the output terminal of front passage on-off circuit, described negative polarity selection circuit output terminal is cathode output end, described negative polarity selection circuit comprises resistance R39, resistance R43, resistance R46, resistance R44, resistance R45, resistance R47, resistance R48, resistance R42, resistance R41, resistance R40, triode Q33, triode Q35, triode Q34 and triode Q6, field effect transistor Q23, field effect transistor Q24, field effect transistor Q19, field effect transistor Q22, described resistance R39 first end is connected with the grid of field effect transistor Q19 and the grid of field effect transistor Q22 respectively, described resistance R39 second end is connected with the source electrode of field effect transistor Q19 and the source electrode of field effect transistor Q22 respectively, the drain electrode of field effect transistor Q19 is connected with an output terminal of front passage on-off circuit, the drain electrode of field effect transistor Q22 is cathode output end, described resistance R43 first end is connected with the grid of field effect transistor Q23 and the grid of field effect transistor Q24 respectively, described resistance R43 second end is connected with the source electrode of field effect transistor Q23 and the source electrode of field effect transistor Q24 respectively, the drain electrode of field effect transistor Q23 is connected with another output terminal of front passage on-off circuit, the drain electrode of field effect transistor Q24 is cathode output end, the grid of field effect transistor Q24 is that conversion conducting orifice is connected with the switching signal delivery outlet of positive polarity selection circuit, the described collector of triode Q33 is connected with the grid of field effect transistor Q19, the emitter of triode Q33 is connected with the collector of triode Q34 by resistance R44, the base stage of triode Q33 is by resistance R46 ground connection, resistance R45 is connected with between the collector of triode Q34 and the base stage of triode Q33, the switching signal delivery outlet of the current collection of described triode Q35 very negative polarity selection circuit, the switching signal delivery outlet of negative polarity selection circuit is connected with the conversion conducting orifice of positive polarity selection circuit, the emitter of triode Q35 is connected with the collector of triode Q34 by resistance R48, the base stage of triode Q35 is by resistance R46 ground connection, resistance R47 is connected with between the collector of triode Q34 and the base stage of triode Q35, the emitter of triode Q34 is connected with digital power, the base stage of triode Q34 is electrically connected with digital power by resistance R42, the base stage of triode Q34 is connected with the collector of triode Q6, the emitter of triode Q6 is by resistance R40 ground connection, the emitter of triode Q6 is connected with the base stage of triode Q6 by resistance R41, the base stage of triode Q6 is electrically connected with single-chip microcomputer input/output port.Electric battery of the present invention is electrically connected successively with front passage on-off circuit, battery polar selection circuit, sample circuit, single-chip microcomputer, Single-chip Controlling front passage on-off circuit makes it be electrically connected with the anyon electric battery in electric battery, Single-chip Controlling battery polar selection circuit makes it export battery polar to remain unchanged, then sampling circuit samples cell voltage send single-chip microcomputer to.In the present invention, the function of front passage on-off circuit is the anyon electric battery of accessible electric battery, and it overlaps with discrete component, and circuit structure is simple, cost is low, volume is little, overcurrent capability is large, path resistance is low; The function of battery polar selection circuit in the present invention: when polarity of voltage changes, battery polar selection circuit can ensure that its output signal positive output end is positive voltage always, and negative output terminal is negative voltage always.Battery polar selection circuit discrete component overlaps, wherein triode Q33, triode Q35, the circuit that resistance R46, resistance R45, resistance R47, resistance R44, resistance R48 are formed is a constant-current control circuit, ensure that electric current is constant current, thus the voltage realized on resistance R38 is constant voltage.
Substantial effect of the present invention is: the switch arrays circuit of changeable access diverse location battery, and this on-off circuit can switch the battery of access diverse location; This on-off circuit is sustainable by big current, the sustainable electric current by 5A; This on-off circuit passage has Low ESR, can as sampling with high precision passage; This on-off circuit discrete component forms; This on-off circuit volume is little, and cost is low.
Accompanying drawing explanation
Fig. 1 is a kind of circuit frame figure of the present embodiment;
Fig. 2 is a kind of front passage on-off circuit schematic diagram of the present embodiment;
Fig. 3 is a kind of battery polar selection circuit schematic diagram of the present embodiment.
In figure: 1, electric battery, 2, front passage on-off circuit, 3, battery polar selection circuit, 4, sample circuit, 5, single-chip microcomputer.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1:
A kind of switch arrays circuit of changeable access diverse location battery is (see accompanying drawing 1, Fig. 2 and Fig. 3), the electric battery 1 that the sub-electric battery comprising 4 series connection is formed, powered by digital power and also comprise front passage on-off circuit 2, battery polar selection circuit 3, sample circuit 4 and single-chip microcomputer 5, the output terminal of described electric battery is connected with the first conduction terminal of described front passage on-off circuit, second conduction terminal of front passage on-off circuit is electrically connected with the input end of described battery polar selection circuit, the output terminal of described battery polar selection circuit is electrically connected with described single-chip microcomputer by sample circuit, described single-chip microcomputer is also connected with the control end of described front passage on-off circuit, described single-chip microcomputer is also connected with the conduction terminal of described battery polar selection circuit.Every sub-electric battery includes a corresponding signal circuit and two minimum on-off circuits, the input end of described minimum on-off circuit is electrically connected with digital power, a conduction terminal of described minimum on-off circuit is connected with a pole of sub-electric battery, another conduction terminal of minimum on-off circuit is connected with the input end of battery polar selection circuit, the output terminal of minimum on-off circuit is connected with the input end of described signal circuit, and the control end of described signal circuit connects single-chip microcomputer.Described minimum on-off circuit comprises resistance R3, resistance R4, resistance R5, resistance R6 field effect transistor Q7, field effect transistor Q8, diode D1 and triode Q25, resistance R6 one end is connected with the base stage of triode Q25, the resistance R6 other end is connected with the emitter of triode Q25, the emitter of triode Q25 is electrically connected with digital power, one end of resistance R3 is connected with the base stage of triode Q25, the other end of resistance R3 is connected with the input end of described signal circuit by diode D1, the collector of described triode Q25 by resistance R5 respectively with the grid of field effect transistor Q7, one end of resistance R4 is connected with the grid of field effect transistor Q8, the other end of resistance R4 divides and is connected with the source electrode of field effect transistor Q7 and the source electrode of field effect transistor Q8, the drain electrode of field effect transistor Q7 connects with a pole of corresponding sub-electric battery, the drain electrode of field effect transistor Q8 is connected with the input end of described signal circuit, described signal circuit comprises triode Q1, resistance R1 and resistance R2, the collector of described triode Q1 is connected with the diode D1 of minimum on-off circuit, the base stage of triode Q1 is connected with single-chip microcomputer, the emitter of triode Q1 is by resistance R1 ground connection, resistance R2 is connected with between the base stage of triode Q1 and the emitter of described triode Q1.Described minimum on-off circuit is multiplex circuit, and the output terminal of each minimum on-off circuit is also connected with the input end of adjacent described signal circuit.Battery polar selection circuit comprises the identical positive polarity selection circuit of circuit structure and negative polarity selection circuit, described positive polarity selection circuit input end is connected with the output terminal of front passage on-off circuit, described positive polarity selection circuit output terminal is cathode output end, described negative polarity selection circuit input end is connected with the output terminal of front passage on-off circuit, described negative polarity selection circuit output terminal is cathode output end, described negative polarity selection circuit comprises resistance R39, resistance R43, resistance R46, resistance R44, resistance R45, resistance R47, resistance R48, resistance R42, resistance R41, resistance R40, triode Q33, triode Q35, triode Q34 and triode Q6, field effect transistor Q23, field effect transistor Q24, field effect transistor Q19, field effect transistor Q22, described resistance R39 first end is connected with the grid of field effect transistor Q19 and the grid of field effect transistor Q22 respectively, described resistance R39 second end is connected with the source electrode of field effect transistor Q19 and the source electrode of field effect transistor Q22 respectively, the drain electrode of field effect transistor Q19 is connected with an output terminal of front passage on-off circuit, the drain electrode of field effect transistor Q22 is cathode output end, described resistance R43 first end is connected with the grid of field effect transistor Q23 and the grid of field effect transistor Q24 respectively, described resistance R43 second end is connected with the source electrode of field effect transistor Q23 and the source electrode of field effect transistor Q24 respectively, the drain electrode of field effect transistor Q23 is connected with another output terminal of front passage on-off circuit, the drain electrode of field effect transistor Q24 is cathode output end, the grid of field effect transistor Q24 is that conversion conducting orifice is connected with the switching signal delivery outlet of positive polarity selection circuit, the described collector of triode Q33 is connected with the grid of field effect transistor Q19, the emitter of triode Q33 is connected with the collector of triode Q34 by resistance R44, the base stage of triode Q33 is by resistance R46 ground connection, resistance R45 is connected with between the collector of triode Q34 and the base stage of triode Q33, the switching signal delivery outlet of the current collection of described triode Q35 very negative polarity selection circuit, the switching signal delivery outlet of negative polarity selection circuit is connected with the conversion conducting orifice of positive polarity selection circuit, the emitter of triode Q35 is connected with the collector of triode Q34 by resistance R48, the base stage of triode Q35 is by resistance R46 ground connection, resistance R47 is connected with between the collector of triode Q34 and the base stage of triode Q35, the emitter of triode Q34 is connected with digital power, the base stage of triode Q34 is electrically connected with digital power by resistance R42, the base stage of triode Q34 is connected with the collector of triode Q6, the emitter of triode Q6 is by resistance R40 ground connection, the emitter of triode Q6 is connected with the base stage of triode Q6 by resistance R41, the base stage of triode Q6 is electrically connected with single-chip microcomputer input/output port.
Electric battery of the present invention is electrically connected successively with front passage on-off circuit, battery polar selection circuit, sample circuit, single-chip microcomputer, Single-chip Controlling front passage on-off circuit makes it be electrically connected with the anyon electric battery in electric battery, Single-chip Controlling battery polar selection circuit makes it export battery polar to remain unchanged, then sampling circuit samples cell voltage send single-chip microcomputer to.In the present invention, the function of front passage on-off circuit is the anyon electric battery of accessible electric battery, and it overlaps with discrete component, and circuit structure is simple, cost is low, volume is little, overcurrent capability is large, path resistance is low; The function of battery polar selection circuit in the present invention: when polarity of voltage changes, battery polar selection circuit can ensure that its output signal positive output end is positive voltage always, and negative output terminal is negative voltage always.Battery polar selection circuit discrete component overlaps, wherein triode Q33, triode Q35, the circuit that resistance R46, resistance R45, resistance R47, resistance R44, resistance R48 are formed is a constant-current control circuit, ensure that electric current is constant current, thus the voltage realized on resistance R38 is constant voltage.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (5)
1. the switch arrays circuit of a changeable access diverse location battery, the electric battery that the sub-electric battery comprising several series connection is formed, powered by digital power, it is characterized in that: also comprise front passage on-off circuit, battery polar selection circuit, sample circuit and single-chip microcomputer, the output terminal of described electric battery is connected with the first conduction terminal of described front passage on-off circuit, second conduction terminal of front passage on-off circuit is electrically connected with the input end of described battery polar selection circuit, the output terminal of described battery polar selection circuit is electrically connected with described single-chip microcomputer by sample circuit, described single-chip microcomputer is also connected with the control end of described front passage on-off circuit, described single-chip microcomputer is also connected with the conduction terminal of described battery polar selection circuit.
2. the switch arrays circuit of changeable access diverse location battery according to claim 1, it is characterized in that: every sub-electric battery includes a corresponding signal circuit and two minimum on-off circuits, the input end of described minimum on-off circuit is electrically connected with digital power, a conduction terminal of described minimum on-off circuit is connected with a pole of sub-electric battery, another conduction terminal of minimum on-off circuit is connected with the input end of battery polar selection circuit, the output terminal of minimum on-off circuit is connected with the input end of described signal circuit, the control end of described signal circuit connects single-chip microcomputer.
3. the switch arrays circuit of changeable access diverse location battery according to claim 2, it is characterized in that: described minimum on-off circuit comprises resistance R3, resistance R4, resistance R5, resistance R6 field effect transistor Q7, field effect transistor Q8, diode D1 and triode Q25, resistance R6 one end is connected with the base stage of triode Q25, the resistance R6 other end is connected with the emitter of triode Q25, the emitter of triode Q25 is electrically connected with digital power, one end of resistance R3 is connected with the base stage of triode Q25, the other end of resistance R3 is connected with the input end of described signal circuit by diode D1, the collector of described triode Q25 by resistance R5 respectively with the grid of field effect transistor Q7, one end of resistance R4 is connected with the grid of field effect transistor Q8, the other end of resistance R4 divides and is connected with the source electrode of field effect transistor Q7 and the source electrode of field effect transistor Q8, the drain electrode of field effect transistor Q7 connects with a pole of corresponding sub-electric battery, the drain electrode of field effect transistor Q8 is connected with the input end of described signal circuit, described signal circuit comprises triode Q1, resistance R1 and resistance R2, the collector of described triode Q1 is connected with the diode D1 of minimum on-off circuit, the base stage of triode Q1 is connected with single-chip microcomputer, the emitter of triode Q1 is by resistance R1 ground connection, resistance R2 is connected with between the base stage of triode Q1 and the emitter of described triode Q1.
4. the switch arrays circuit of changeable access diverse location battery according to claim 3, it is characterized in that: described minimum on-off circuit is multiplex circuit, the output terminal of each minimum on-off circuit is also connected with the input end of adjacent described signal circuit.
5. the switch arrays circuit of changeable access diverse location battery according to claim 1, it is characterized in that: battery polar selection circuit comprises the identical positive polarity selection circuit of circuit structure and negative polarity selection circuit, described positive polarity selection circuit input end is connected with the output terminal of front passage on-off circuit, described positive polarity selection circuit output terminal is cathode output end, described negative polarity selection circuit input end is connected with the output terminal of front passage on-off circuit, described negative polarity selection circuit output terminal is cathode output end, described negative polarity selection circuit comprises resistance R39, resistance R43, resistance R46, resistance R44, resistance R45, resistance R47, resistance R48, resistance R42, resistance R41, resistance R40, triode Q33, triode Q35, triode Q34 and triode Q6, field effect transistor Q23, field effect transistor Q24, field effect transistor Q19, field effect transistor Q22, described resistance R39 first end is connected with the grid of field effect transistor Q19 and the grid of field effect transistor Q22 respectively, described resistance R39 second end is connected with the source electrode of field effect transistor Q19 and the source electrode of field effect transistor Q22 respectively, the drain electrode of field effect transistor Q19 is connected with an output terminal of front passage on-off circuit, the drain electrode of field effect transistor Q22 is cathode output end, described resistance R43 first end is connected with the grid of field effect transistor Q23 and the grid of field effect transistor Q24 respectively, described resistance R43 second end is connected with the source electrode of field effect transistor Q23 and the source electrode of field effect transistor Q24 respectively, the drain electrode of field effect transistor Q23 is connected with another output terminal of front passage on-off circuit, the drain electrode of field effect transistor Q24 is cathode output end, the grid of field effect transistor Q24 is that conversion conducting orifice is connected with the switching signal delivery outlet of positive polarity selection circuit, the described collector of triode Q33 is connected with the grid of field effect transistor Q19, the emitter of triode Q33 is connected with the collector of triode Q34 by resistance R44, the base stage of triode Q33 is by resistance R46 ground connection, resistance R45 is connected with between the collector of triode Q34 and the base stage of triode Q33, the switching signal delivery outlet of the current collection of described triode Q35 very negative polarity selection circuit, the switching signal delivery outlet of negative polarity selection circuit is connected with the conversion conducting orifice of positive polarity selection circuit, the emitter of triode Q35 is connected with the collector of triode Q34 by resistance R48, the base stage of triode Q35 is by resistance R46 ground connection, resistance R47 is connected with between the collector of triode Q34 and the base stage of triode Q35, the emitter of triode Q34 is connected with digital power, the base stage of triode Q34 is electrically connected with digital power by resistance R42, the base stage of triode Q34 is connected with the collector of triode Q6, the emitter of triode Q6 is by resistance R40 ground connection, the emitter of triode Q6 is connected with the base stage of triode Q6 by resistance R41, the base stage of triode Q6 is electrically connected with single-chip microcomputer input/output port.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410552810.8A CN105446208B (en) | 2014-10-17 | 2014-10-17 | The switch arrays circuit of changeable access diverse location battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410552810.8A CN105446208B (en) | 2014-10-17 | 2014-10-17 | The switch arrays circuit of changeable access diverse location battery |
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| CN105446208A true CN105446208A (en) | 2016-03-30 |
| CN105446208B CN105446208B (en) | 2018-01-19 |
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| CN116455377A (en) * | 2023-04-12 | 2023-07-18 | 宁波阔野科技有限公司 | Switch array driving circuit |
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| CN116455377A (en) * | 2023-04-12 | 2023-07-18 | 宁波阔野科技有限公司 | Switch array driving circuit |
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| CN105446208B (en) | 2018-01-19 |
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