CN104176005A - Electric vehicle antitheft device with sampling circuit - Google Patents
Electric vehicle antitheft device with sampling circuit Download PDFInfo
- Publication number
- CN104176005A CN104176005A CN201410422269.9A CN201410422269A CN104176005A CN 104176005 A CN104176005 A CN 104176005A CN 201410422269 A CN201410422269 A CN 201410422269A CN 104176005 A CN104176005 A CN 104176005A
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- China
- Prior art keywords
- controller
- interface
- electrical box
- relay
- electric car
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Abstract
The invention discloses an electric vehicle antitheft device with a sampling circuit. The electric vehicle antitheft device comprises a motor shell, a semi-sealed electric box, a controller and a relay. The open surface of the semi-sealed electric box is welded to the outer periphery of the motor shell. The controller and the relay are disposed in the electric box. The relay is connected to the wire between a motor coil and a power supply. The electric box is provided with a USB interface and an RS485 interface which are connected with the controller. A displacement sensor is disposed in one hub of an electric vehicle and connected with the controller through the RS485 interface. A wireless communication chip is disposed in the electric box and connected with the controller. The sampling circuit, a filter circuit and an amplifying circuit are sequentially serially connected between the RS485 interface and the controller. By the electric vehicle antitheft device, low-cost electric vehicle antitheft is achieved.
Description
Technical field
The present invention relates to a kind of electric car anti-joyride device with sample circuit.
Background technology
At present, battery-driven car has become the conventional vehicle of people, but present battery-driven car starting switch is fairly simple, uses key to select key hole, and circuit is connected, and can start battery-driven car, and not use key also can open easily electric car switch.And many people, when parking electric car temporarily, often forget and pull out car key.Smart mobile phone has become the conventional communications and entertainment instrument of people now.And many smart mobile phones have biometric scan technology, as fingerprint sensor.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of electric car anti-joyride device with sample circuit, to realize the advantage that prevents that electric car is stolen.
For achieving the above object, the technical solution used in the present invention is:
A kind of electric car anti-joyride device with sample circuit, comprise motor casing, semi-enclosed electrical box, controller and relay, the opening surface of described semi-enclosed electrical box is welded in the periphery of motor casing, controller and relay are set in described electrical box, described relay is connected on the wire between motor coil and power supply, USB interface and R485 interface are set in described electrical box, this USB interface is all connected with controller with RS485 interface, in the nave boss of described electric car, displacement pickup is set, this displacement pickup connects by RS485 Interface and Controler, in described electrical box, wireless communication chips is set, this wireless communication chips is connected with controller, the sample circuit of connecting successively between described RS485 Interface and Controler, filter circuit and amplifying circuit, described sample circuit, comprise transport and placing device A1, the in-phase input end of described transport and placing device A1 is connected with one end of resistance R 1, the other end ground connection of this resistance R 1, series capacity C2 between the mouth of the in-phase input end of described transport and placing device A1 and transport and placing device A1.
Preferably, described controller adopts micro controller system.
Preferably, the length of described electrical box is 5cm, and wide is 5cm, and height is 3cm.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention, by electrical box is set on motor housing, controller is set in electrical box, be connected with smart mobile phone by USB interface, in the time opening battery-driven car, when inserting key, need on smart mobile phone, carry out finger scan, in smart mobile phone, the application program of pre-installation is after finger scan, send instruction to controller, controller is connected motor coil by relay with power supply, displacement pickup is set simultaneously in nave boss, in the time that USB interface does not receive the instruction from smart mobile phone, when electric car moves, controller receives the signal of displacement pickup, thereby be connected to warn user by wireless communication chips with user's smart mobile phone.Thereby do not need existing electric car to carry out too large change, can reach the object that prevents that electric car is stolen.And cost is not high yet.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is anti-joyride device described in the embodiment of the present invention mounting structure schematic diagram on electric car motor;
Fig. 2 is the functional block diagram of the circuit in the anti-joyride device described in the embodiment of the present invention;
Fig. 3 is the electronic circuitry of the sample circuit described in the embodiment of the present invention.
By reference to the accompanying drawings, in the embodiment of the present invention, Reference numeral is as follows:
1-motor casing; 2-electrical box; 3-wire.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
As depicted in figs. 1 and 2, a kind of electric car anti-joyride device with sample circuit, comprise motor casing, semi-enclosed electrical box, controller and relay, the opening surface of semi-enclosed electrical box is welded in the periphery of motor casing, controller and relay are set in electrical box, relay is connected on the wire between motor coil and power supply, USB interface and R485 interface are set in electrical box, this USB interface is all connected with controller with RS485 interface, in the nave boss of electric car, displacement pickup is set, this displacement pickup connects by RS485 Interface and Controler, wireless communication chips is set in electrical box, this wireless communication chips is connected with controller, the sample circuit of connecting successively between RS485 Interface and Controler, filter circuit and amplifying circuit, sample circuit as shown in Figure 3, comprise transport and placing device A1, the in-phase input end of described transport and placing device A1 is connected with one end of resistance R 1, the other end ground connection of this resistance R 1, series capacity C2 between the mouth of the in-phase input end of described transport and placing device A1 and transport and placing device A1.
Trendy i Phone is with finger scan function, and its application program is also open to developer, utilizes the existing program that is arranged on i Phone, can realize the control to electric car anti-theft circuit by fingerprint.Positioning chip is set in electrical box, when alarm message is sent to user by wireless communication chips, the locating information of positioning chip is sent on user's smart mobile phone, this positioning chip is connected with controller simultaneously.When control capsule receives from the finger print information of smart mobile phone and after starting, controller is ignored the signal of displacement pickup.
Preferably, described controller adopts micro controller system.
Preferably, the length of described electrical box is 5cm, and wide is 5cm, and height is 3cm.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. one kind has the electric car anti-joyride device of sample circuit, it is characterized in that, comprise motor casing, semi-enclosed electrical box, controller and relay, the opening surface of described semi-enclosed electrical box is welded in the periphery of motor casing, controller and relay are set in described electrical box, described relay is connected on the wire between motor coil and power supply, USB interface and R485 interface are set in described electrical box, this USB interface is all connected with controller with RS485 interface, in the nave boss of described electric car, displacement pickup is set, this displacement pickup connects by RS485 Interface and Controler, in described electrical box, wireless communication chips is set, this wireless communication chips is connected with controller, the sample circuit of connecting successively between described RS485 Interface and Controler, filter circuit and amplifying circuit, described sample circuit, comprise transport and placing device A1, the in-phase input end of described transport and placing device A1 is connected with one end of resistance R 1, the other end ground connection of this resistance R 1, series capacity C2 between the mouth of the in-phase input end of described transport and placing device A1 and transport and placing device A1.
2. the electric car anti-joyride device with sample circuit according to claim 1, is characterized in that, described controller adopts micro controller system.
3. the electric car anti-joyride device with sample circuit according to claim 1 and 2, is characterized in that, the length of described electrical box is 5cm, and wide is 5cm, and height is 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422269.9A CN104176005A (en) | 2014-08-26 | 2014-08-26 | Electric vehicle antitheft device with sampling circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422269.9A CN104176005A (en) | 2014-08-26 | 2014-08-26 | Electric vehicle antitheft device with sampling circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104176005A true CN104176005A (en) | 2014-12-03 |
Family
ID=51957456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410422269.9A Pending CN104176005A (en) | 2014-08-26 | 2014-08-26 | Electric vehicle antitheft device with sampling circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104176005A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040204806A1 (en) * | 2002-03-27 | 2004-10-14 | Sin Etke Technology Co., Ltd. | Active rescue-asking burglar alarm system and its method |
| JP2004306622A (en) * | 2003-04-01 | 2004-11-04 | Nissan Motor Co Ltd | Communicating means starting device and telematics system equipped with the same |
| CN201989750U (en) * | 2011-03-18 | 2011-09-28 | 徐建民 | Accurate and reliable security and anti-theft alarm |
| CN102390351A (en) * | 2011-10-13 | 2012-03-28 | 大连理工大学 | Multi-sensor fused comprehensive car alarm system |
| CN203511849U (en) * | 2013-07-05 | 2014-04-02 | 刘嘉翔 | Electromobile anti-theft alarming system |
| CN203558042U (en) * | 2013-11-14 | 2014-04-23 | 吉林大学 | Vehicle intelligent self-locking and burglary-prevention system based on body recognition |
-
2014
- 2014-08-26 CN CN201410422269.9A patent/CN104176005A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040204806A1 (en) * | 2002-03-27 | 2004-10-14 | Sin Etke Technology Co., Ltd. | Active rescue-asking burglar alarm system and its method |
| JP2004306622A (en) * | 2003-04-01 | 2004-11-04 | Nissan Motor Co Ltd | Communicating means starting device and telematics system equipped with the same |
| CN201989750U (en) * | 2011-03-18 | 2011-09-28 | 徐建民 | Accurate and reliable security and anti-theft alarm |
| CN102390351A (en) * | 2011-10-13 | 2012-03-28 | 大连理工大学 | Multi-sensor fused comprehensive car alarm system |
| CN203511849U (en) * | 2013-07-05 | 2014-04-02 | 刘嘉翔 | Electromobile anti-theft alarming system |
| CN203558042U (en) * | 2013-11-14 | 2014-04-23 | 吉林大学 | Vehicle intelligent self-locking and burglary-prevention system based on body recognition |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141203 |
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| RJ01 | Rejection of invention patent application after publication |