CN103335744A - Double-range multi-channel nuclear heat source power measuring system - Google Patents
Double-range multi-channel nuclear heat source power measuring system Download PDFInfo
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- CN103335744A CN103335744A CN2013101098267A CN201310109826A CN103335744A CN 103335744 A CN103335744 A CN 103335744A CN 2013101098267 A CN2013101098267 A CN 2013101098267A CN 201310109826 A CN201310109826 A CN 201310109826A CN 103335744 A CN103335744 A CN 103335744A
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- temperature
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- electromotive force
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Abstract
The invention relates to a double-range multi-channel nuclear heat source power measuring system, which comprises a sensing device, a signal collection unit, a signal fusion processing unit, a power display unit and a double cooling system, wherein the sensing device is of a symmetrical structure, and can output four temperature difference signals and four electric potential signals; the signal collection unit can collect the temperature difference and electrical potential signals and send the signals to the signal fusion processing unit; based on temperature difference measurement principles and electric potential measurement principles, the temperature difference and the electric potential are respectively provided with four power measurement channels, nuclear heat source power measuring values of the temperature difference channels and the electric potential channels are obtained through information fusion processing, and the nuclear heat source power measuring values are outputted to the power display unit; and the cooling system takes radiating heat absorbed by the sensing device away. The multi-channel nuclear heat source power measuring system passing through the signal fusion can avoid negative influences such as the locating place of a nuclear heat source, and the density of heat flow of the nuclear heat source is uneven in distribution and the like. Meanwhile, results of the multiple channels can be mutually checked, thereby improving the reliability of the system. The nuclear source power measuring system is provided with double ranges, and can realize measurement of two grades of heat power.
Description
Technical field
The present invention relates to a kind of double-range hyperchannel nuclear heat source power measuring system, this system is applicable to the measurement of nuclear heat source thermal power, also is applicable to thermal power and the heat flow measurement of column thermal source.
Background technology
The heat supply of spacecraft and power supply technique are the keys that realizes the space flight survey of deep space, so far, the technology that successfully is applied to satellite borne equipment power supply heat supply in spacecraft has chemical cell (being mainly used in power supply), fuel cell, solar cell, isotope thermal source (being used for heat supply) or isotope thermoelectric cell (being used for power supply).Generally have only the several months serviceable life of chemical cell, fuel cell, is mainly used in short time duty.Be 1-5 the serviceable life of solar cell, is mainly used in sun-drenched terrestrial space and surveys.These three kinds of energy are unfavorable for the long-term detection in the deep layer space of sunlight deficiency.Isotope thermal source or isotope thermoelectric cell utilize isotope that decay takes place and produce heat, do not rely on solar radiation, and its specific energy are about 10
4～10
5Wh/kg is far longer than chemical cell and fuel cell, serviceable life long (10 years, even longer) simultaneously, becomes the desirable energy of power electronic equipment heat supply on the spacecraft of interspace detection.
The isotope nuclear heat source is different from general thermal source, mainly contains following characteristics: (1) has nuclear radiation; (2) be shaped as column; (3) the nuclear heat source surface is subject to contaminating impurity; (4) short time (within 24 hours) power changes very little.
The thermal power measurement of isotope nuclear heat source is to realize that nuclear heat source is the basic premise of spacecraft power supply heat supply.Thermal source thermal power measurement at present generally is by measuring heat flow density, then obtaining thermal power numerical value by the heat flow density conversion, as common film-type heat flow meter, flat heat flow meter; These heat flow meters are difficult to satisfy nuclear isotope heat sources when measuring; Simultaneously, existing thermal source thermal power is measured and is adopted single-measurement principle, single-measurement passage, single-measurement range usually, and measurement result distortion or the mistake that the system failure causes appears in measuring system in measuring process, can't in time distinguish; When changing, the single-measurement range can't satisfy the measurement demand fast when bigger variation (several times or tens of times) takes place for the power grade of tested thermal source.
Summary of the invention
One object of the present invention is to overcome the deficiencies in the prior art, and the double-range hyperchannel nuclear heat source power measuring system of a kind of pair of measuring principle, the fusion of hyperchannel multichannel redundant signals, high precision, high-reliability is provided.
According to an aspect of the present invention, provide a kind of double-range hyperchannel nuclear heat source power measuring system, it is characterized in that:
Sensor,
JI130013
First and second cooling systems,
Signal gathering unit,
The signal fused processing unit.
The present invention's advantage compared with prior art comprises:
1) two principles are measured: based on the temperature difference with based on the nuclear heat source power measuring system of two kinds of nuclear heat source power measurement principles of electromotive force;
2) double-range: this nuclear heat source power measuring system possesses double-range, can realize that the thermal power of different brackets nuclear heat source is measured;
3) multi-channel information merges: based on the temperature difference four nuclear heat source power-level channels are arranged, based on electromotive force four nuclear heat source power-level channels are arranged, hyperchannel is through signal fused, the adverse effect of having evaded nuclear heat source power measurements such as can evading nuclear heat source putting position and self heat flow density skewness;
4) multi-channel measurement: the mutual verification of measurement result, improved the confidence level of nuclear heat source power measuring system measurement result, improved the reliability of system simultaneously.
Description of drawings
Fig. 1 is the synoptic diagram of double-range hyperchannel nuclear heat source power measuring system according to an embodiment of the invention.
Fig. 2 is the workflow of double-range hyperchannel nuclear heat source power measuring system according to an embodiment of the invention.
The drawing reference numeral explanation
101 sensors, 102 case lids, 103 casings
104 heat-barrier materials, 105 sensitive elements, 106 fine copper heat interchanger A
107 fine copper heat interchanger B, 201 signal gathering unit, 202 temperature sensors
203 temperature sensors, 204 temperature sensors
205 temperature sensors, 206 electric potential signal measurement terminal
207 electric potential signal measurement terminal, 208 electric potential signal measurement terminal
209 electric potential signal measurement terminal, 210 temperature transmitting modules
211 electromotive force filtering amplification modules, 212 electromotive force filtering amplification modules
213 electromotive force filtering amplification modules, 214 electromotive force filtering amplification modules
215 electromotive force transmitting modules, 301 signal fused processing units
401 power display units, 402 charactron display units, 403 touch screens
404 state indicating members, 501 cooling systems, 1 502 cooling systems 2
Embodiment
The present invention is further described below in conjunction with specific embodiment.Should be understood that this explanation only is the description of this invention, rather than limitation of the invention.
Double-range hyperchannel nuclear heat source power measuring system according to an embodiment of the invention comprise sensor 101 shown in Figure 1A, first and second cooling systems 501 and 502 and Figure 1B shown in signal gathering unit 201, signal fused processing unit 301, power display unit 401.
Shown in Figure 1A, sensor 101 comprises case lid 102, casing 103, heat-barrier material 104, sensitive element 105, the first fine copper heat interchanger 106, the second fine copper heat interchanger 107.Heat-barrier material 104 is enclosed in around sensitive element 105 and first, second fine copper heat interchanger 106107; Heat-barrier material 104, sensitive element 105, the first fine copper heat interchanger 106, the second fine copper heat interchanger 107 are placed on box house.Can reduce after case lid 102 internal placement heat-barrier materials 104, casing and case lid close and leak heat.
First, second fine copper heat interchanger 106,107 and sensitive element between for the welding.Temperature sensor 202 and 204 probe are close to symmetric arrangement before and after the circumferential center of sensitive element 105. Temperature sensor 203 and 205 probe are arranged in the surface of the first fine copper heat interchanger 106 and the second fine copper heat interchanger 107.First water-cooling system 501 and second water-cooling system 502 adopt pipelines to be connected with the first fine copper heat interchanger 106 of casing 103 inside of sensor 101 with the second fine copper heat interchanger 107 respectively.
As shown in Figure 1B, the signal gathering unit 201 of double-range hyperchannel nuclear heat source power measuring system according to an embodiment of the invention comprise four temperature sensors 202,203,204 and 205(such as platinum resistance P1000), electric potential signal measurement terminal 206,207,208 and 209, temperature transmitting module 210, four electromotive force filtering amplification modules 211,212,213 and 214, electromotive force transmitting module 215.Temperature transmitting module 210 is connected with four temperature sensors 202,203,204,205, carries out temperature acquisition, and with the temperature signal (T that collects
Max1, T
Max2, T
Min1, T
Min2) handle to become and deliver to signal fused processing unit 301.
Each electric potential signal measurement terminal 206,207,208 and 209 comprises two leads for potential measurement.Each electric potential signal measurement terminal can be exported an electromotive force.The material of described lead is identical, for example all is the silver-plated copper lead.
When as shown in Figure 1 sensitive element 105 and first, second fine copper heat interchanger 106,107 produce thermoelectrical potential between sensitive element 105 and the first fine copper heat interchanger 106 when having the temperature difference, and sensitive element 105 and 107 of the second fine copper heat interchanger produce thermoelectrical potential; The first electric potential signal measurement terminal 206 is measured electromotive force e between sensitive element 105 front end high temperature and the first fine copper heat interchanger, 106 low temperature
1, the second electric potential signal measurement terminal 207 is measured electromotive force e between sensitive element 105 rear end high temperature and the first fine copper heat interchanger, 106 low temperature
2, the 3rd electric potential signal measurement terminal 208 is measured electromotive force e between sensitive element 105 front end high temperature and the second fine copper heat interchanger, 107 low temperature
3, the 4th electric potential signal measurement terminal 209 is measured electromotive force e between sensitive element 105 rear end high temperature and the second fine copper heat interchanger, 107 low temperature
4, these thermoelectrical potentials input to four electromotive force filtering amplification modules 211,212,213,214 through electric potential signal measurement terminal 206,207,208,209 amplifies, and delivers to signal fused processing unit 301 by 215 changes of electromotive force transmitting module.In this embodiment, the temperature difference and electromotive force respectively have 4 power-level channels, based on the temperature difference and two kinds of measuring principles of electromotive force, handle through information fusion respectively, obtain the nuclear heat source power measurement values of the temperature difference and two passages of electromotive force, these measured values are output to power display unit 401.
Power display unit 401 according to an embodiment of the invention comprises charactron display unit 402, touch screen display unit 403, state indicating member 404; That state indicating member 404 is used for realizing is normal, fault, fault alarm function.
Fig. 2 has shown the embodiment of workflow of the double-range hyperchannel nuclear heat source power measuring system of an embodiment as shown in Figure 1.In this flow implementation example, after system's operation beginning, measuring system powers on, after treating the schedule time (as 4-5 second), place thermal source, select thermal power to measure passage then, then by four temperature sensors 202,203,204,205 and temperature transmitting module 210 carry out temperature acquisition, adopt first to fourth electric potential signal measurement terminal 206,207,208,209 and electromotive force transmitting module 215 carry out the electromotive force collection, then with the temperature (T that collects
Max1, T
Max2, T
Min1, T
Min2) and electric potential signal (e
1, e
2, e
3, e
4) handle in signal fused unit 301, and judge whether temperature surpasses the temperature limit, if temperature (for example surpasses temperature limit, in a specific embodiment, two maximum temperature limit values that temperature sensor 202,204 is surveyed are set as 120 ℃, two minimum temperature limit values that temperature sensor 203,205 is surveyed are set as 40 ℃), then show faults by state indicating member 404, the indication of reporting to the police of its pilot lamp and hummer.If temperature does not surpass limit value, judge then whether two minimum temperatures that temperature sensor 203,205 is surveyed equal set-point.Simultaneously, state indicating member 404 shows normal; When being not equal to given numerical value, then sent the regulating control command of two-circuit cooling system by signal fused unit 301 calculating and sending, two-circuit cooling system 501,502 is controlled, and further read, judge temperature and electric potential signal, equate until minimum temperature and given numerical value.
Then, judge whether system reaches stable; For example, criterion be such as by temperature sensor 202,204 measured rate of temperature changes less than 0.2 ℃/h, the rate of temperature change that temperature sensor 203,205 records is less than 0.5 ℃/h, as satisfying, then decision-making system reaches stable, otherwise the decision-making system instability.If the decision-making system instability is proceeded collection, the control of temperature and electric potential signal.If system reaches stable, then temperature and the electric potential signal that reads carried out filtering, and carry out data fusion in 301 inside, signal fused unit, calculate nuclear heat source power, the specifying information fusion process is described below:
Four tunnel temperature T of the steady state (SS) of 301 pairs of inputs of signal fused processing unit
Max1, T
Max2, T
Min1, T
Min2And four road electric potential signal e
1, e
2, e
3, e
4Merge;
The nuclear heat source power that records four passages based on temperature difference principle is
Q
1=K
t1（t
max1-t
min1）
Q
2=K
t2（t
max1-t
min2）
Q
3=K
t3（t
max2-t
min1）
Q
4=K
t4（t
max2-t
min2）
K in the formula
T1, K
T2, K
T3, K
T4Coefficient for temperature difference passage;
The nuclear heat source power that records four passages based on the electromotive force principle is
Q
1=K
e1e
1
Q
2=K
e2e
2
Q
3=K
e3e
3
Q
4=K
e4e
4
K in the formula
E1, K
E2, K
E3, K
E4Coefficient for the electromotive force passage.
At last, carry out signal fused respectively:
The power of heat source fusion results Q of temperature difference passage
tFor
K in the formula
tCoefficient for temperature difference passage.
The power of heat source fusion results Q of electromotive force passage
eFor
Q
e=K
e(e
1+e
2+e
3+e
4)
In the formula, K
eFusion coefficients for the electromotive force passage.
Subsequently, the thermal power numerical value Q that fusion is calculated
t, Q
eOutput to power display unit 401, and refresh thermal power and the temperature information of touch screen display unit 403 and charactron display unit 402, judge then whether system has exit instruction, if then end data collection is arranged, if there be not collection, calculating, the demonstration of proceeding data.
The content that is not described in detail among the present invention belongs to this area professional and technical personnel's known prior art.
Should be understood that, below the description of in conjunction with the accompanying drawings and embodiments the present invention being carried out just illustrates but not is determinate, and do not breaking away under the prerequisite of the present invention that limits as appended claims, can carry out various changes, distortion and/or correction to above-described embodiment.
Claims (9)
1. double-range hyperchannel nuclear heat source power measuring system is characterized in that:
Sensor (101),
First and second cooling systems (501 and 502),
Signal gathering unit (201),
Signal fused processing unit (301).
2. according to the double-range hyperchannel nuclear heat source power measuring system of claim 1, it is characterized in that:
Sensor (101) comprises case lid (102), casing (103), heat-barrier material (104), sensitive element (105), the first fine copper heat interchanger (106), the second fine copper heat interchanger (107),
Wherein
Heat-barrier material (104) is enclosed in sensitive element (105) and first, second fine copper heat interchanger (106,107) on every side;
Heat-barrier material (104), sensitive element (105), the first fine copper heat interchanger (106), the second fine copper heat interchanger (107) are arranged on box house;
Case lid (102) internal placement heat-barrier material (104),
Between first, second fine copper heat interchanger (106,107) and the sensitive element (105) for being welded to connect,
Described double-range hyperchannel nuclear heat source power measuring system further comprises:
First and three-temperature sensor (202 and 204), their probe is close to symmetric arrangement before and after the circumferential center of sensitive element (105) respectively,
The second and the 4th temperature sensor (203 and 205), their probe are arranged in the surface of the first fine copper heat interchanger (106) and the second fine copper heat interchanger (107),
First water-cooling system (501) is connected by pipeline with the second fine copper heat interchanger (107) with the first fine copper heat interchanger (106) of casing (103) inside respectively with second water-cooling system (502).
3. according to the double-range hyperchannel nuclear heat source power measuring system of claim 2, it is characterized in that:
Signal gathering unit (201) comprises four temperature sensors (202,203,204 and 205), four electric potential signal measurement terminal (206,207,208 and 209), temperature transmitting module (210), four electromotive force filtering amplification modules (211,212,213 and 214), electromotive force transmitting module (215)
Wherein
Temperature transmitting module (210) is connected with first to fourth temperature sensor (202,203,204,205), carries out temperature acquisition, and with the temperature signal (T that collects
Max1, T
Max2, T
Min1, T
Min2) handle to become and deliver to signal fused processing unit (301),
Each electric potential signal measurement terminal (206,207,208 and 209) comprises two leads for potential measurement, and the material of described lead is identical.
4. according to the double-range hyperchannel nuclear heat source power measuring system of claim 3, it is characterized in that:
When having the temperature difference between sensitive element (105) and first, second fine copper heat interchanger (106,107), produce thermoelectrical potential between sensitive element (105) and the first fine copper heat interchanger (106), and produce thermoelectrical potential between sensitive element (105) and the second fine copper heat interchanger (107);
The first electric potential signal measurement terminal (206) is used for measuring electromotive force e between sensitive element (105) front end high temperature and first fine copper heat interchanger (106) low temperature
1,
The second electric potential signal measurement terminal (207) is used for measuring electromotive force e between sensitive element (105) rear end high temperature and first fine copper heat interchanger (106) low temperature
2,
The 3rd electric potential signal measurement terminal (208) is used for measuring electromotive force e between sensitive element (105) front end high temperature and second fine copper heat interchanger (107) low temperature
3,
The 4th electric potential signal measurement terminal (209) is used for measuring electromotive force e between sensitive element (105) rear end high temperature and second fine copper heat interchanger (107) low temperature
4
5. according to the double-range hyperchannel nuclear heat source power measuring system of claim 4, it is characterized in that:
Described electromotive force inputs to four electromotive force filtering amplification modules (211,212,213,214) through electric potential signal measurement terminal (206,207,208,209) and amplifies, and deliver to signal fused processing unit (301) by electromotive force transmitting module (215) change
Wherein
The temperature difference and electromotive force respectively have 4 power-level channels, based on the temperature difference and two kinds of measuring principles of electromotive force, handle through information fusion respectively, obtain the nuclear heat source power measurement values of the temperature difference and two passages of electromotive force, these measured values are output to a power display unit (401).
6. according to the double-range hyperchannel nuclear heat source power measuring system of claim 5, it is characterized in that further comprising:
Described power display unit (401),
Described power display unit (401) comprises charactron display unit (402), touch screen display unit (403), state indicating member (404).
7. according to the double-range hyperchannel nuclear heat source power measuring system of claim 6, it is characterized in that further comprising:
After described double-range hyperchannel nuclear heat source power measuring system operation beginning, described double-range hyperchannel nuclear heat source power measuring system powers on, treat that a schedule time and thermal source are suitably placed after, select thermal power to measure passage, then
Carry out temperature acquisition by described first to fourth temperature sensor (202,203,204,205) and temperature transmitting module (210),
Adopt first to fourth electric potential signal measurement terminal (206,207,208,209) and electromotive force transmitting module (215) to carry out the electromotive force collection, then
With the temperature (T that collects
Max1, T
Max2, T
Min1, T
Min2) and electric potential signal (e
1, e
2, e
3, e
4) handle in signal fused unit (301), and judge whether temperature surpasses the temperature limit,
If temperature surpasses temperature limit, then show fault by state indicating member (404), comprise by the indication of reporting to the police of its pilot lamp and hummer,
If temperature does not surpass limit value, judge then whether two minimum temperatures that the second and the 4th temperature sensor (203,205) is surveyed equal set-point, simultaneously, state indicating member (404) shows normal; When described two minimum temperatures are not equal to given numerical value, sent the regulating control command of two-circuit cooling system by signal fused unit (301) calculating and sending, first water-cooling system (501) and second water-cooling system (502) are controlled, and further read, judge temperature and electric potential signal, equate until minimum temperature and given numerical value
Then, judge whether system reaches stable; If the decision-making system instability is proceeded collection, the control of temperature and electric potential signal; If system reaches stable, then temperature and the electric potential signal that reads carried out filtering, and carry out data fusion in inside, signal fused unit (301), calculate nuclear heat source power.
8. according to the double-range hyperchannel nuclear heat source power measuring system of claim 7, it is characterized in that
Described information fusion process comprises:
By the four tunnel temperature T of signal fused processing unit (301) to the steady state (SS) of input
Max1, T
Max2, T
Min1, T
Min2With four road electric potential signal e
1, e
2, e
3, e
4Merge;
The nuclear heat source power that records four passages based on temperature difference principle is
Q
1=K
t1（t
max1-t
min1）
Q
2=K
t2（t
max1-t
min2）
Q
3=K
t3（t
max2-t
min1）
Q
4=K
t4（t
max2-t
min2）
K in the formula
T1, K
T2, K
T3, K
T4Coefficient for temperature difference passage;
The nuclear heat source power that records four passages based on the electromotive force principle is
Q
1=K
e1e
1
Q
2=K
e2e
2
Q
3=K
e3e
3
Q
4=K
e4e
4
K in the formula
E1, K
E2, K
E3, K
E4Be the coefficient of electromotive force passage,
At last, carry out signal fused respectively:
The power of heat source fusion results Q of temperature difference passage
tFor
K in the formula
tBe the coefficient of temperature difference passage,
The power of heat source fusion results Q of electromotive force passage
eFor
Q
e=K
e(e
1+e
2+e
3+e
4)
In the formula, K
eFusion coefficients for the electromotive force passage.
9. double-range hyperchannel nuclear heat source power measuring system according to Claim 8 is characterized in that further comprising
The thermal power numerical value Q that fusion is calculated
t, Q
eOutput to power display unit (401),
Refresh thermal power and the temperature information of touch screen display unit (403) and charactron display unit 402,
Judge whether system has exit instruction, if then end data collection is arranged, if there be not collection, calculating, the demonstration of proceeding data.
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| CN201310109826.7A CN103335744B (en) | 2013-03-29 | 2013-03-29 | Double-range hyperchannel nuclear heat source power measuring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634600A (en) * | 2019-10-08 | 2021-04-09 | 河南许继仪表有限公司 | Electricity consumption information acquisition and checking simulation test system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5180440A (en) * | 1988-11-23 | 1993-01-19 | Pace Incorporated | Printed circuit thermocouple arrangements for personnel training and equipment evaluation purposes |
| CN101571428A (en) * | 2009-05-21 | 2009-11-04 | 中国科学院力学研究所 | Multi-function sensor and heat current and temperature measuring method under high temperature |
-
2013
- 2013-03-29 CN CN201310109826.7A patent/CN103335744B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5180440A (en) * | 1988-11-23 | 1993-01-19 | Pace Incorporated | Printed circuit thermocouple arrangements for personnel training and equipment evaluation purposes |
| CN101571428A (en) * | 2009-05-21 | 2009-11-04 | 中国科学院力学研究所 | Multi-function sensor and heat current and temperature measuring method under high temperature |
Non-Patent Citations (1)
| Title |
|---|
| 侯旭峰等: "同位素热源量热方法研究", 《电源设计》, vol. 36, no. 9, 30 September 2012 (2012-09-30), pages 1309 - 1312 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634600A (en) * | 2019-10-08 | 2021-04-09 | 河南许继仪表有限公司 | Electricity consumption information acquisition and checking simulation test system |
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