CN204283948U - A kind of device for testing airplane battery charging equipment fan - Google Patents
A kind of device for testing airplane battery charging equipment fan Download PDFInfo
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- CN204283948U CN204283948U CN201420590575.9U CN201420590575U CN204283948U CN 204283948 U CN204283948 U CN 204283948U CN 201420590575 U CN201420590575 U CN 201420590575U CN 204283948 U CN204283948 U CN 204283948U
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- charging equipment
- battery charging
- thermistor
- connector
- temperature
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Abstract
The utility model relates to a kind of device for testing airplane battery charging equipment fan, charging equipment comprises the thermistor of negative temperature coefficient, this thermistor is connected with fan, device comprises temperature simulation unit and connector, temperature simulation unit is in parallel with thermistor by connector, is provided with the High Temperature Simulation switch for control temperature analogue unit loop break-make between temperature simulation unit and link.Compared with prior art, the utility model has the advantages such as simple and reliable.
Description
Technical field
The utility model relates to a kind of testing apparatus, especially relates to a kind of device for testing airplane battery charging equipment fan.
Background technique
At present, when carrying out aircraft battery charging, well simulation test can't be carried out to the fan functionality on storage battery.Especially for Boeing 777 airplane, related documents such as CMM handbook does not have test circuit yet.Effectively do not test fan functionality whether to perfect, become and be the major quality hidden danger of in 777 battery charging process.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of simple and reliable device for testing airplane battery charging equipment fan is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of device for testing airplane battery charging equipment fan, described charging equipment comprises the thermistor of negative temperature coefficient, this thermistor is connected with fan, described device comprises temperature simulation unit and connector, described temperature simulation unit is in parallel with thermistor by connector, is provided with the High Temperature Simulation switch for control temperature analogue unit loop break-make between described temperature simulation unit and link.
Described device also comprises protected location, and described protected location is connected with connector.
Described protected location comprises voltage comparator and alarm indicator lamp, and described alarm indicator lamp is connected with connector by voltage comparator.
Described voltage comparator positive input terminal voltage is 5V.
Described voltage comparator model is LM393.
Described device also comprises stabipack, and described stabipack is connected with protected location.
Described temperature simulation unit is adjustable resistance.
Compared with prior art, the utility model has the following advantages:
1) simple and reliable: the major component of device is a power switch and testing button, circuit is simple, and equipment does not have ad hoc requirement.
2) economical: equipment needed for device of the present invention is all general equipment, whole device with low cost.
3) easy to detect: simple to operate, only need switch on power switch, and closed High Temperature Simulation switch, just can test fan.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model schematic diagram;
Fig. 3 is embodiment's test circuit figure;
Wherein: 1, temperature simulation unit, 2, connector, 3, stabipack, 4, protected location, 5, thermistor, 6, fan.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Temperature transducer in battery experiences battery temperature and ambient temperature, and when battery temperature and ambient temperature are greater than setting value, fan 6 operates, and reduces the temperature of battery, ensures cell safety.Temperature transducer is the thermistor 5 of a negative temperature coefficient, and when the temperature increases, the resistance of thermistor 5 reduces.For the rising of simulated battery temperature, in parallel with thermistor 5 with the resistance of a suitable resistance.
A kind of device for testing airplane battery charging equipment fan, charging equipment comprises thermistor 5, this thermistor 5 is connected with fan 6, as shown in Figure 2, device comprises temperature simulation unit 1 and connector 2, temperature simulation unit 1 is in parallel with thermistor 5 by connector 2, is provided with the High Temperature Simulation switch for control temperature analogue unit 1 loop break-make between temperature simulation unit 1 and link.
Device also comprises protected location 4, and protected location 4 is connected with connector 2.
Protected location 4 comprises voltage comparator and alarm indicator lamp, and alarm indicator lamp is connected with connector 2 by voltage comparator.
Voltage comparator positive input terminal voltage is 5V.
Voltage comparator model is LM393.
Device also comprises stabipack 3, and stabipack 3 is connected with protected location 4.
Temperature simulation unit 1 is adjustable resistance, and concrete resistance is tried to achieve according to the temperature coefficient of thermistor.
As shown in Figure 2, the utility model is by temperature simulation unit 1 is in parallel with thermistor 5 (temperature transducer), simulated battery temperature raises, fan control circuitry judges that the difference of battery temperature and ambient temperature exceeds setting value, and under battery is in charged state, start fan 6.When not accessing resistance, it is the same that thermistor 5 and environmental sensor experience temperature, and fan 6 can not operate.
The utility model make use of the characteristic of negative tempperature coefficient thermistor 5, only needs a resistance, just can substantially test fan 6.
Realizing circuit is as shown in Figure 3 designed by the technical program.
S0 is power switch, and S1 is low voltage analog selection switch, and S2 is High Temperature Simulation switch.
Connector 2 model is MS24266R12B12P, LM393 intergrated circuit is voltage comparator, and the negative input end of voltage comparator is connected with the PIN8 of connector 2, and when inputting PIN8 voltage height, LED0 transmits messages police.
Stabipack 3 is primarily of MC7924 intergrated circuit composition, and in Fig. 3, R7 is temperature simulation unit 1 (in the present embodiment, R7 selects the resistance of 50K ohm), S2 is High Temperature Simulation switch, after S2 switch is closed, between PIN11 and the PIN12 of R7 access connector 2, simulation high temperature.
Claims (7)
1. the device for testing airplane battery charging equipment fan, described charging equipment comprises the thermistor of negative temperature coefficient, this thermistor is connected with fan, it is characterized in that, described device comprises temperature simulation unit and connector, described temperature simulation unit is in parallel with thermistor by connector, is provided with the High Temperature Simulation switch for control temperature analogue unit loop break-make between described temperature simulation unit and link.
2. a kind of device for testing airplane battery charging equipment fan according to claim 1, it is characterized in that, described device also comprises protected location, and described protected location is connected with connector.
3. a kind of device for testing airplane battery charging equipment fan according to claim 2, it is characterized in that, described protected location comprises voltage comparator and alarm indicator lamp, and described alarm indicator lamp is connected with connector by voltage comparator.
4. a kind of device for testing airplane battery charging equipment fan according to claim 3, is characterized in that, described voltage comparator positive input terminal voltage is 5V.
5. a kind of device for testing airplane battery charging equipment fan according to claim 3, is characterized in that, described voltage comparator model is LM393.
6. a kind of device for testing airplane battery charging equipment fan according to claim 2, it is characterized in that, described device also comprises stabipack, and described stabipack is connected with protected location.
7. a kind of device for testing airplane battery charging equipment fan according to claim 1, is characterized in that, described temperature simulation unit is adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590575.9U CN204283948U (en) | 2014-10-13 | 2014-10-13 | A kind of device for testing airplane battery charging equipment fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590575.9U CN204283948U (en) | 2014-10-13 | 2014-10-13 | A kind of device for testing airplane battery charging equipment fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283948U true CN204283948U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420590575.9U Active CN204283948U (en) | 2014-10-13 | 2014-10-13 | A kind of device for testing airplane battery charging equipment fan |
Country Status (1)
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| CN (1) | CN204283948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304943A (en) * | 2015-11-30 | 2016-02-03 | 贵州宏宇金属电源科技有限公司 | Thermoswitch-based self-heat-dissipation lead-acid cell |
-
2014
- 2014-10-13 CN CN201420590575.9U patent/CN204283948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304943A (en) * | 2015-11-30 | 2016-02-03 | 贵州宏宇金属电源科技有限公司 | Thermoswitch-based self-heat-dissipation lead-acid cell |
| CN105304943B (en) * | 2015-11-30 | 2018-09-07 | 贵州宏宇金属电源科技有限公司 | A kind of heat dissipation lead-acid battery certainly based on thermoswitch |
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