CN210776313U - Rail transit vehicle air conditioner control unit testing device - Google Patents
Rail transit vehicle air conditioner control unit testing device Download PDFInfo
- Publication number
- CN210776313U CN210776313U CN201922330211.2U CN201922330211U CN210776313U CN 210776313 U CN210776313 U CN 210776313U CN 201922330211 U CN201922330211 U CN 201922330211U CN 210776313 U CN210776313 U CN 210776313U
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- control unit
- rail transit
- transit vehicle
- vehicle air
- air conditioner
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000004378 air conditioning Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 2
- 102100021283 1-aminocyclopropane-1-carboxylate synthase-like protein 1 Human genes 0.000 description 1
- 101000675558 Homo sapiens 1-aminocyclopropane-1-carboxylate synthase-like protein 1 Proteins 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a rail transit vehicle air conditioner control unit testing device, which comprises a power module, an upper computer, a plurality of paths of relays, a plurality of paths of indicating circuits and a plurality of paths of potentiometers; the power supply module supplies power; the control end of each relay is connected with the control port of the rail transit vehicle air conditioning control unit to be tested, the first action node is connected with the feedback port, and the second working node is connected with the corresponding indicating circuit in series; the relay detects signal levels of a control port and a feedback port; the indicating circuit indicates the signal states of the control port and the feedback port; each path of potentiometer is connected with a sensor port, simulates a sensor detection signal and detects the sensor port; the upper computer is connected with the communication interface and displays the working state and the working parameters. The utility model discloses no longer need install rail transit vehicle air conditioner control unit and carry out the on-line test on the vehicle, but adopt the utility model discloses carry out the off-line test, the reliability is high, the suitability is good and simple and easy.
Description
Technical Field
The utility model belongs to the rail transit field, concretely relates to rail transit vehicle air conditioner control unit testing arrangement.
Background
With the development of economic technology, rail transit becomes a main transportation mode of each city due to the rapidness and convenience of rail transit, and also becomes one of the first choices of people for going out.
Rail transit vehicles are vehicles for transporting passengers directly and naturally also become one of the most important parts of rail transit. The stability, safety and comfort of rail vehicles naturally become the most interesting part of people.
The air conditioner control unit of the rail transit vehicle is a core component for controlling the air conditioner of the vehicle. However, for the air conditioning control unit of the rail transit vehicle, no professional test platform exists at present. When the air conditioner control unit of the rail transit vehicle carries out fault test, the current test means is that the air conditioner control unit is arranged on a subway vehicle and depends on a vehicle-mounted air conditioning unit to carry out function test. However, it is obvious that the installation and the disassembly of the air conditioner control unit are very troublesome, time and labor are wasted, the working efficiency is low, and the cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a track transportation vehicles air conditioner control unit testing arrangement that the reliability is high, the suitability is good and simple and easy.
The utility model provides a track transportation vehicles air conditioner control unit testing arrangement, including power module, host computer, a plurality of ways of relays, a plurality of ways of indicating circuit and a plurality of ways of potentiometers; the power supply module is used for supplying power to the rail transit vehicle air conditioner control unit testing device; the control end of each relay is connected to the control port of the rail transit vehicle air-conditioning control unit to be tested, the first action node of each relay is connected to the feedback port of the rail transit vehicle air-conditioning control unit to be tested, and the second working node of each relay is connected in series with the corresponding indicating circuit; the relay is used for detecting signal levels of a control port and a feedback port of the rail transit vehicle air conditioner control unit to be tested; the indicating circuit is used for indicating the signal states of the control port and the feedback port of the corresponding rail transit vehicle air conditioner control unit to be tested; each path of potentiometer is connected to a sensor port of the rail transit vehicle air-conditioning control unit to be tested and is used for simulating a detection signal of the sensor and detecting the sensor port of the rail transit vehicle air-conditioning control unit to be tested; the upper computer is connected with a communication interface of the rail transit vehicle air-conditioning control unit to be tested and is used for displaying the working state and working parameters of the rail transit vehicle air-conditioning control unit to be tested.
The power supply module is a rectification power supply module for converting alternating current 220V into direct current 110V.
The power supply module is a power supply module with the model of an open weft power supply S-350-110.
The control end of each relay is connected to the control port of the rail transit vehicle air-conditioning control unit to be tested, the first action node of each relay is connected to the feedback port of the rail transit vehicle air-conditioning control unit to be tested, specifically, one end of the control end of each relay is connected to the control port of the rail transit vehicle air-conditioning control unit to be tested, and the other end of the control end of each relay is grounded; meanwhile, one end of a first normally open contact of each path of relay is connected with a feedback port of the rail transit vehicle air conditioner control unit to be tested, and the other end of the first normally open contact of each path of relay is connected with a power supply signal.
The indicating circuit is an indicating lamp; the indicating lamp string is connected between the power signal and the ground.
The second working node of each relay is connected in series with the corresponding indicating circuit, and specifically, the second normally open node of each relay and the indicating lamp are connected between a power signal and the ground.
The upper computer is connected with a communication interface of the rail transit vehicle air conditioner control unit to be tested, and specifically is a USB interface of the rail transit vehicle air conditioner control unit to be tested, which is connected with the upper computer through a communication line.
The utility model provides a this kind of rail transit vehicle air conditioner control unit testing arrangement adopts the relay simulation field device of off-line, adopts potentiometre analog sensor simultaneously, adopts the host computer to carry out operating condition's demonstration at last, consequently no longer need install rail transit vehicle air conditioner control unit and carry out the on-line test on the vehicle, but adopt the utility model discloses carry out the off-line test, moreover the utility model discloses a reliability is high, the suitability is good and simple and easy.
Drawings
Fig. 1 is a functional block diagram of the present invention.
Fig. 2 is a schematic diagram of the circuit principle of the present invention.
Detailed Description
Fig. 1 shows a functional block diagram of the present invention: the utility model provides a track transportation vehicles air conditioner control unit testing arrangement, including power module, host computer, a plurality of ways of relays, a plurality of ways of indicating circuit and a plurality of ways of potentiometers; the power supply module is used for supplying power to the rail transit vehicle air conditioner control unit testing device; the control end of each relay is connected to the control port of the rail transit vehicle air-conditioning control unit to be tested, the first action node of each relay is connected to the feedback port of the rail transit vehicle air-conditioning control unit to be tested, and the second working node of each relay is connected in series with the corresponding indicating circuit; the relay is used for detecting signal levels of a control port and a feedback port of the rail transit vehicle air conditioner control unit to be tested; the indicating circuit is used for indicating the signal states of the control port and the feedback port of the corresponding rail transit vehicle air conditioner control unit to be tested; each path of potentiometer is connected to a sensor port of the rail transit vehicle air-conditioning control unit to be tested and is used for simulating a detection signal of the sensor and detecting the sensor port of the rail transit vehicle air-conditioning control unit to be tested; the upper computer is connected with a communication interface of the rail transit vehicle air-conditioning control unit to be tested and is used for displaying the working state and working parameters of the rail transit vehicle air-conditioning control unit to be tested.
In specific implementation, the power module is a rectification power module converting alternating current 220V to direct current 110V, and specifically, a power module of type of the open weft power supply S-350 and 110 can be adopted. Meanwhile, one end of the control end of each relay is connected with the control port of the rail transit vehicle air conditioner control unit to be tested, and the other end of the control end of each relay is grounded; meanwhile, one end of a first normally open contact of each path of relay is connected with a feedback port of the rail transit vehicle air conditioner control unit to be tested, and the other end of the first normally open contact of each path of relay is connected with a power supply signal; the indicating circuit is an indicating lamp which is connected between a power supply signal and the ground; the second normally open node of each relay and the indicating lamp string are connected between the power signal and the ground; the upper computer is connected with a USB interface of the rail transit vehicle air conditioner control unit to be tested through a communication line.
Fig. 2 shows a schematic diagram of the circuit principle of the present invention:
the model of the rail transit vehicle air conditioning control unit to be tested is ACCS 01.
In the figure, 8 potentiometers are connected to a sensor port of an air-conditioning control unit of the rail transit vehicle to be tested, wherein two potentiometers are used for simulating a fresh air sensor, two potentiometers are used for simulating a return air sensor, and four potentiometers are used for simulating an air supply sensor; by adjusting the resistance output by the potentiometer, whether the temperature change corresponding to the value output by the sensor received by the rail transit vehicle air conditioner control unit to be tested is normal or not can be observed.
The figure adopts 7 relays altogether, and the control ends of the 7 relays KM 1-KM 7 are connected between the control port of the rail transit vehicle air-conditioning control unit to be tested and the ground, and the 7 relays are used for simulating equipment of the unit 1, specifically comprising a blower 1, a blower 2, a condensing fan 1, a condensing fan 2, a compressor 1, a compressor 2 and emergency air supply; correspondingly, a first normally open node of the 7 relays is connected between a feedback port of the rail transit vehicle air-conditioning control unit to be tested and a power supply signal (DC110V) and is used for simulating a feedback signal after the corresponding equipment is started; in addition, the second normally-open nodes of the 7 relays are also connected to the corresponding indicating lamp circuits in series and used for visually displaying the starting conditions of the corresponding equipment.
Similarly, the figure totally adopts 7 relays, and the control ends of the 7 relays KM 11-KM 17 are connected between the control port of the rail transit vehicle air-conditioning control unit to be tested and the ground, and the 7 relays are used for simulating equipment of the unit 2, specifically comprising a blower 11, a blower 12, a condensing fan 11, a condensing fan 12, a compressor 11, a compressor 12 and an emergency air supply 1; correspondingly, a first normally open node of the 7 relays is connected between a feedback port of the rail transit vehicle air-conditioning control unit to be tested and a power supply signal (DC110V) and is used for simulating a feedback signal after the corresponding equipment is started; in addition, the second normally-open nodes of the 7 relays are also connected to the corresponding indicating lamp circuits in series and used for visually displaying the starting conditions of the corresponding equipment.
The test procedure for the device is as follows: when the control flow of the blower 1 needs to be detected, the corresponding pin of the rail transit vehicle air conditioner control unit to be tested should be set to be at a high level, the control end (coil) of the relay KM1 of the analog blower 1 is powered on, the two normally open nodes corresponding to the relay KM1 should be closed, the indicator light of the blower 1 is turned on, and meanwhile, the level of the corresponding feedback pin connected with the KM1 node should be at a high level; this time it is indicated that the rail transit vehicle air conditioning control unit to be tested is normal for control of the blower 1. With a similar scheme, all simulation devices (including the blower 1, the blower 2, the condensing fan 1, the condensing fan 2, the compressor 1, the compressor 2, the emergency air, the blower 11, the blower 12, the condensing fan 11, the condensing fan 12, the compressor 11, the compressor 12, and the emergency air 1) can be detected.
In addition, in fig. 2, the pressure switch signal detection of the unit 1 and the pressure switch signal detection of the unit 2 are also included; each connected between a corresponding control pin and the power signal DC110V using a resilient push button switch; during detection of the tool, the corresponding button is pressed, the corresponding pin is pulled up to the power signal level, the corresponding control pin of the rail transit vehicle air conditioner control unit to be tested can detect a corresponding high-level signal, and therefore the signal state and the pin state of the corresponding pin are detected.
Finally, in fig. 2, the detection of the temperature selection switch is also included; the temperature selection switch adopts a multi-gear knob switch, the input end of the temperature selection switch is connected to the power signal DC110V, and a plurality of corresponding output ends (6 output ends in the figure) of the temperature selection switch are connected with corresponding signal pins of the rail transit vehicle air-conditioning control unit to be tested; when a certain gear is selected, the corresponding pin is pulled up to the high level of the power signal, and the signal state and the pin state of the corresponding pin can be detected.
Claims (7)
1. A rail transit vehicle air conditioner control unit testing device is characterized by comprising a power supply module, an upper computer, a plurality of paths of relays, a plurality of paths of indicating circuits and a plurality of paths of potentiometers; the power supply module is used for supplying power to the rail transit vehicle air conditioner control unit testing device; the control end of each relay is connected to the control port of the rail transit vehicle air-conditioning control unit to be tested, the first action node of each relay is connected to the feedback port of the rail transit vehicle air-conditioning control unit to be tested, and the second working node of each relay is connected in series with the corresponding indicating circuit; the relay is used for detecting signal levels of a control port and a feedback port of the rail transit vehicle air conditioner control unit to be tested; the indicating circuit is used for indicating the signal states of the control port and the feedback port of the corresponding rail transit vehicle air conditioner control unit to be tested; each path of potentiometer is connected to a sensor port of the rail transit vehicle air-conditioning control unit to be tested and is used for simulating a detection signal of the sensor and detecting the sensor port of the rail transit vehicle air-conditioning control unit to be tested; the upper computer is connected with a communication interface of the rail transit vehicle air-conditioning control unit to be tested and is used for displaying the working state and working parameters of the rail transit vehicle air-conditioning control unit to be tested.
2. The rail transit vehicle air conditioner control unit testing device as claimed in claim 1, wherein the power module is a rectified power module converting alternating current 220V to direct current 110V.
3. The device for testing the air conditioning control unit of the rail transit vehicle as claimed in claim 2, wherein the power module is a power module with a model number of S-350-110 for the open weft power supply.
4. The rail transit vehicle air conditioner control unit testing device as claimed in any one of claims 1 to 3, wherein a control end of each relay is connected to a control port of a rail transit vehicle air conditioner control unit to be tested, a first action node of each relay is connected to a feedback port of the rail transit vehicle air conditioner control unit to be tested, specifically, one end of the control end of each relay is connected to the control port of the rail transit vehicle air conditioner control unit to be tested, and the other end of the control end of each relay is grounded; meanwhile, one end of a first normally open contact of each path of relay is connected with a feedback port of the rail transit vehicle air conditioner control unit to be tested, and the other end of the first normally open contact of each path of relay is connected with a power supply signal.
5. The rail transit vehicle air conditioner control unit testing device of claim 4, wherein the indicating circuit is an indicator light; the indicating lamp string is connected between the power signal and the ground.
6. The rail transit vehicle air conditioner control unit testing device of claim 5, wherein the second working node of each relay is connected in series with the corresponding indicating circuit, and specifically, the second normally open node of each relay and the indicating lamp are connected between the power signal and the ground.
7. The rail transit vehicle air conditioner control unit testing device as claimed in any one of claims 1 to 3, wherein the upper computer is connected to a communication interface of the rail transit vehicle air conditioner control unit to be tested, and specifically, the upper computer is connected to a USB interface of the rail transit vehicle air conditioner control unit to be tested through a communication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330211.2U CN210776313U (en) | 2019-12-23 | 2019-12-23 | Rail transit vehicle air conditioner control unit testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330211.2U CN210776313U (en) | 2019-12-23 | 2019-12-23 | Rail transit vehicle air conditioner control unit testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210776313U true CN210776313U (en) | 2020-06-16 |
Family
ID=71046084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922330211.2U Expired - Fee Related CN210776313U (en) | 2019-12-23 | 2019-12-23 | Rail transit vehicle air conditioner control unit testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210776313U (en) |
-
2019
- 2019-12-23 CN CN201922330211.2U patent/CN210776313U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |