CN106094806B - The detection device and detection method of Electric air-conditioning control panel - Google Patents
The detection device and detection method of Electric air-conditioning control panel Download PDFInfo
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- CN106094806B CN106094806B CN201610631557.4A CN201610631557A CN106094806B CN 106094806 B CN106094806 B CN 106094806B CN 201610631557 A CN201610631557 A CN 201610631557A CN 106094806 B CN106094806 B CN 106094806B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
Disclosed herein the detection device and detection method of a kind of Electric air-conditioning control panel, detection device includes program input unit, analog signal input unit, air-conditioning PLC, control panel output acquisition unit and conditioning control unit.The existing detection means of the detection device Optimal improvements of Electric air-conditioning control panel of the present invention, it is worked the control of bad border and executor by simulating trolley air conditioner, air-conditioning control panel is respectively exported and is monitored, to reach the detection to air-conditioning control panel, the functional test to Electric air-conditioning control panel is realized.And it the configuration of the present invention is simple, is easily assembled to；, can be with coverage test to existing product according to actual product by the connecting line of the different inter-modules of replacement, flexibility ratio is high；Reduce after-sales service cost indirectly, improves product reliability.
Description
Technical field
The present invention relates to automobile air conditioning technology field, relate particularly to one kind can simulate trolley air conditioner working environment with
The detection device and detection method for a kind of Electric air-conditioning control panel whether detection control panel can effectively control.
Background technique
Currently, Electric air-conditioning control panel does not have effective detection means, led mostly by range estimation and simple route
Logical test is to detect.Existing detection means can not effectively test the control ability of Electric air-conditioning control panel, may result in
The control of Electric air-conditioning control panel often goes wrong, and causes certain puzzlement when deploying to client's general assembly.And it is existing
Detection means does not carry out journey to frequency converter and PLC (Programmable Logic Controller, programmable logic controller (PLC))
The input and test of sequence, can not clearly determine the validity of product, and after vehicle assembly, and discovery product is asked when debugging
When topic, replacement get up extremely inconvenience and it is time-consuming, produce a large amount of maintenance cost indirectly.
Therefore, it is necessary to the existing detection means of Optimal improvements, realize the functional test carried out to Electric air-conditioning control panel,
Promote product reliability.
Summary of the invention
The object of the present invention is to provide the detection devices and detection method of a kind of Electric air-conditioning control panel, to solve
Existing detection means can not effectively test the technical issues of control ability of Electric air-conditioning control panel.
To achieve the goals above, the present invention provides a kind of detection devices of Electric air-conditioning control panel, including program
Input unit, analog signal input unit, air-conditioning PLC, control panel output acquisition unit and conditioning control unit；Described program
Input unit is used to input preset PLC program the air-conditioning PLC, and preset frequency converter program and parameter are inputted phase
The air conditioning frequency converter answered；The analog signal input unit is for temperature signal, outside temperature signal, fresh wind port temperature in collecting vehicle
The status signal and positive temperature coefficient temperature signal of signal, high and low voltage switch are spent, and is input to the air-conditioning PLC；The sky
PLC is adjusted to be used to that the conditioning control unit will to be transmitted to after received analog signal processing by default PLC program；It is described
Control panel output acquisition unit is used to acquire evaporation fan signal output voltage, the condensation fan signal on the air-conditioning control panel
Condensation fan becomes in evaporation fan frequency converter output voltage and the air conditioning frequency converter in output voltage, the air conditioning frequency converter
Frequency device output voltage, and collected all output voltages are input to the conditioning control unit；The conditioning control unit
For receiving processing result and the display of air-conditioning PLC transmission, and for receive the output voltage and with default output
Voltage shows comparison result after comparing.
To achieve the goals above, the present invention also provides a kind of detection method of Electric air-conditioning control panel, the sides
Method includes: that preset PLC program is inputted air-conditioning PLC and inputted preset frequency converter program and parameter corresponding empty by (1)
Adjust frequency converter；(2) in collecting vehicle temperature signal, outside temperature signal, fresh wind port temperature signal, high and low voltage switch status signal
And positive temperature coefficient temperature signal, collected analog signal is handled and shows processing result；(3) sky is acquired
Regulate and control the condensation of the evaporation fan signal output voltage, condensation fan signal output end of the evaporation fan signal output end in making sheet
Blower signal output voltage, the evaporation fan frequency converter output voltage of evaporation fan inverter output terminal and condensation fan frequency conversion
The condensation fan frequency converter output voltage of device output end, by collected output voltage compared with pre-set output voltage after show
Comparison result.
It is an advantage of the current invention that the detection device Optimal improvements of Electric air-conditioning control panel of the present invention are existing
Detection means, be added to the functional test to Electric air-conditioning control panel, pass through simulation trolley air conditioner and work bad border and manipulation
The control of device respectively exports air-conditioning control panel and is monitored, to reach the detection to air-conditioning control panel.And structure of the invention letter
List is easily assembled to；, can be with coverage test to existing product according to actual product by the connecting line of the different inter-modules of replacement, spirit
Activity is high；Reduce after-sales service cost indirectly, improves product reliability.
Detailed description of the invention
Fig. 1, Electric airconditioning control board checking device schematic diagram of the present invention；
Fig. 2, Electric air-conditioning control panel detection method flow chart of the present invention.
Specific embodiment
Electric airconditioning control board checking device provided by the invention and detection method are done specifically with reference to the accompanying drawing
It is bright.
With reference to Fig. 1, Electric airconditioning control board checking device schematic diagram of the present invention.Described
The detection device of Electric air-conditioning control panel includes: program input unit 11, analog signal input unit 12, air-conditioning PLC13, control
Making sheet exports acquisition unit 14 and conditioning control unit 15.
Described program input unit 11 is used to input preset PLC program the air-conditioning PLC13, and by preset change
Frequency device program and parameter input corresponding air conditioning frequency converter 19.The air conditioning frequency converter 19 includes evaporation fan frequency converter and cold
Solidifying fan frequency converter.
Particularly, described program input unit 11 further comprise PLC program input panel 111 and frequency converter program and
Parameter input panel 112.The PLC program input panel 111 is used to preset PLC program inputting the air-conditioning PLC13；Institute
It states frequency converter program and parameter input panel 112 and inputs corresponding air conditioning frequency converter for preset frequency converter program and parameter,
And enter program input pattern for initializing and adjusting the air conditioning frequency converter for the air conditioning frequency converter.It can exist in advance
The program of PLC program and frequency converter and the software that parameter input is required are installed in advance in computer, include to PLC in the software
Establishment, detection, PLC and the frequency converter running state monitoring of program and frequency converter program and parameter.By connecting line respectively by PLC
It is interconnected with computer, frequency converter and computer；After powering on, it will be preset in computer by process control panel
PLC program inputs PLC, and the program of the frequency converter preset in computer and parameter are inputted corresponding frequency converter.
The analog signal input unit 12 is for temperature signal, outside temperature signal, fresh wind port temperature letter in collecting vehicle
Number, the status signal of high and low voltage switch and positive temperature coefficient temperature signal, and be input to the air-conditioning PLC13.
Particularly, the analog signal input unit 12 further comprises vehicle interior temperature sensor 121, outside temperature sensing
Device 122, fresh wind port temperature sensor 123, Pressure Switch Sensor 124 and PTC temperature sensor 125.The vehicle interior temperature
Sensor 121 is for temperature signal in collecting vehicle and feeds back to the air-conditioning PLC13；The outside temperature sensor 122 is used for
The outer temperature signal of collecting vehicle simultaneously feeds back to the air-conditioning PLC13；The fresh wind port temperature sensor 123 is for acquiring fresh wind port temperature
Degree signal simultaneously feeds back to the air-conditioning PLC13；The Pressure Switch Sensor 124 is used to acquire the status signal of high and low voltage switch
And feed back to the air-conditioning PLC13；Positive temperature coefficient (Positive Temperature Coefficient, the abbreviation
PTC) temperature sensor 125 is for acquiring positive temperature coefficient temperature signal and feeding back to the air-conditioning PLC13.
The air-conditioning PLC13 is used to be transmitted to after received analog signal processing by default PLC program described
Conditioning control unit 15.Received analog signal is carried out processing acquisition air-conditioning by presetting PLC program by air-conditioning PLC13
Fault warning in operating status and operation of air conditioner, and feed back to conditioning control unit 15.
Control panel output acquisition unit 14 be used to acquire evaporation fan signal output voltage on air-conditioning control panel 10,
Condensation fan signal output voltage, evaporation fan frequency converter output voltage and condensation fan frequency converter output voltage, and will adopt
All output voltages collected are input to the conditioning control unit 15.
Particularly, the control panel output acquisition unit 14 includes: first voltage table 141, second voltage table 142, third
Voltmeter 143 and the 4th voltmeter 144.First voltage table 141 and the evaporation fan signal on the air-conditioning control panel 10 are defeated
Outlet is connected, for acquiring evaporation fan signal output voltage and being input to the conditioning control unit 15；Second voltage table 142
It is connected with the condensation fan signal output end on the air-conditioning control panel 10, for acquiring condensation fan signal output voltage and defeated
Enter to the conditioning control unit 15；Evaporation fan frequency converter on tertiary voltage table 143 and the air-conditioning control panel 10 exports
End is connected, for acquiring evaporation fan frequency converter output voltage in the air conditioning frequency converter and being input to the airconditioning control list
Member；4th voltmeter 144 is connected with the condensation fan inverter output terminal on the air-conditioning control panel 10, for acquiring the sky
Condensation fan frequency converter output voltage in frequency converter is adjusted, and collected all output voltages are input to the airconditioning control list
Member 15.
Particularly, the first voltage table 141 and the second voltage table 142 are all made of 24V D.C. voltmeter, and described the
Three voltmeters 143 are all made of 240V D.C. voltmeter with the 4th voltmeter 144.
The conditioning control unit 15 is used to receive the processing result of the air-conditioning PLC13 transmission and display, and is used for
Receive the output voltage and compared with pre-set output voltage after show comparison result.Shown by the conditioning control unit 15
Processing result include fault warning in the operating status and operation of air conditioner of air-conditioning, shown comparison result includes acquisition
The output voltage arrived is consistent or inconsistent with pre-set output voltage.
Particularly, the conditioning control unit 15 is air conditioner manipulator 151.Air conditioner manipulator 151 can be aobvious in executor
Show the operating status for showing the air-conditioning of PLC feedback on panel and the fault warning in operation of air conditioner, and controls the operating of air-conditioning
Mode, wind speed.After user opens air conditioner manipulator, can check on air conditioner manipulator display panel whether faulty alarm, such as
Faulty alarm then can further check corresponding warning numbering, and check corresponding Electric air-conditioning control panel wiring.It is logical
It crosses and checks executor display panel, it is whether consistent with pre-set output voltage can to check collected output voltage, namely check
Whether collected information is consistent with design requirement.By adjusting air conditioner manipulator, air conditioner manipulator can be adjusted to not respectively
Same operating mode, the control panel output acquisition unit 14 can acquire the air-conditioning control panel 10 under different operating modes
Corresponding output voltage information；It is whether consistent with design requirement by detecting collected information, to reach to air-conditioning control panel
Detection, realize functional test to air-conditioning control panel.
Particularly, the detection device of Electric air-conditioning control panel of the present invention further includes power supply 16.The power supply 16
Including 24V DC power supply and 550V power supply.The 24V DC power supply is electrically connected to the conditioning control unit 15, with supply
Each controller power source；The 550V power supply is electrically connected to the high voltage input terminal on the air-conditioning control panel 10, to provide each electricity
Device working power.
The existing detection means of the detection device Optimal improvements of Electric air-conditioning control panel of the present invention, is added to
Functional test to Electric air-conditioning control panel is worked the control of bad border and executor by simulating trolley air conditioner, to air-conditioning control
Making sheet is respectively exported and is monitored, to reach the detection to air-conditioning control panel.And it the configuration of the present invention is simple, is easily assembled to；According to reality
Border product, can be with coverage test to existing product by the connecting line of the different inter-modules of replacement, and flexibility ratio is high；Reduce indirectly and sells
Maintenance cost afterwards improves product reliability.
With reference to Fig. 2, the detection method flow chart of Electric air-conditioning control panel of the present invention, the method can be used
The detection device of Electric air-conditioning control panel of the present invention.
Described method includes following steps: S21: preset PLC program being inputted air-conditioning PLC and by preset frequency converter
Program and parameter input corresponding air conditioning frequency converter；S22: temperature signal, outside temperature signal, fresh wind port temperature letter in collecting vehicle
Number, the status signal of high and low voltage switch and positive temperature coefficient temperature signal, collected analog signal is handled and is shown
Show processing result；S23: the evaporation fan signal output electricity of the evaporation fan signal output end on the air-conditioning control panel is acquired
The evaporation fan change of pressure, the condensation fan signal output voltage of condensation fan signal output end, evaporation fan inverter output terminal
The condensation fan frequency converter output voltage of frequency device output voltage and condensation fan inverter output terminal, by collected output electricity
Comparison result is shown after pressing compared with pre-set output voltage.Wherein the execution of step S22 and step S23 is required without successive.
Particularly, processing result shown by step S22 includes the failure in the operating status and operation of air conditioner of air-conditioning
Alarm.Corresponding warning numbering then can be further checked if any fault warning, and checks corresponding Electric air-conditioning control panel
Wiring.Wherein, air-conditioning PLC is handled collected analog signal by preset PLC program, obtains the operation shape of air-conditioning
The processing results such as the fault warning in state and operation of air conditioner.Comparison result shown by step S23 includes collected output
Voltage is consistent or inconsistent with pre-set output voltage, namely checks whether collected information is consistent with design requirement.Pass through tune
Air conditioner manipulator is saved, air conditioner manipulator can be adjusted to different operating modes respectively, to acquire under different operating modes
Output voltage information；It is whether consistent with design requirement by detecting collected information, to reach the detection to air-conditioning control panel,
Realize the functional test to air-conditioning control panel.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (8)
1. a kind of detection device of Electric air-conditioning control panel, which is characterized in that inputted including program input unit, analog signal
Unit, air-conditioning PLC, control panel output acquisition unit and conditioning control unit；
Described program input unit is used to input preset PLC program the air-conditioning PLC, and by preset frequency converter program
And parameter inputs corresponding air conditioning frequency converter；
The analog signal input unit is for temperature signal, outside temperature signal, fresh wind port temperature signal, height in collecting vehicle
The status signal and positive temperature coefficient temperature signal to compress switch, and it is input to the air-conditioning PLC；
The air-conditioning PLC is used to that the air-conditioning control will to be transmitted to after received analog signal processing by default PLC program
Unit processed；
The control panel output acquisition unit is for acquiring the evaporation fan signal output voltage on the air-conditioning control panel, condensation
It is cold in evaporation fan frequency converter output voltage and the air conditioning frequency converter in blower signal output voltage, the air conditioning frequency converter
Solidifying fan frequency converter output voltage, and collected all output voltages are input to the conditioning control unit；
The conditioning control unit is used to receive the processing result of the air-conditioning PLC transmission and display, and described for receiving
Output voltage and compared with pre-set output voltage after show comparison result；
Further, the conditioning control unit is air conditioner manipulator, and the air conditioner manipulator is used in executor display panel
The operating status for showing the air-conditioning of air-conditioning PLC transmission and the fault warning in operation of air conditioner, and there are fault warnings
When be further used for showing corresponding warning numbering；
Described program input unit further comprises PLC program input panel and frequency converter program and parameter input panel；Institute
PLC program input panel is stated for preset PLC program to be inputted the air-conditioning PLC；The frequency converter program and parameter input
Panel inputs corresponding air conditioning frequency converter for preset frequency converter program and parameter, and for the air conditioning frequency converter is initial
Change and adjust the air conditioning frequency converter and enters program input pattern.
2. detection device according to claim 1, which is characterized in that the analog signal input unit further comprises:
Vehicle interior temperature sensor for temperature signal in collecting vehicle and feeds back to the air-conditioning PLC；
Outside temperature sensor for temperature signal outside collecting vehicle and feeds back to the air-conditioning PLC；
Fresh wind port temperature sensor, for acquiring fresh wind port temperature signal and feeding back to the air-conditioning PLC；
Pressure Switch Sensor, for acquiring the status signal of high and low voltage switch and feeding back to the air-conditioning PLC；
Positive temperature coefficient temperature sensor, for acquiring positive temperature coefficient temperature signal and feeding back to the air-conditioning PLC.
3. detection device according to claim 1, which is characterized in that the control panel exports acquisition unit and includes:
First voltage table is connected with the evaporation fan signal output end on the air-conditioning control panel, for acquiring evaporation fan letter
Number output voltage is simultaneously input to the conditioning control unit；
Second voltage table is connected with the condensation fan signal output end on the air-conditioning control panel, for acquiring condensation fan letter
Number output voltage is simultaneously input to the conditioning control unit；
Tertiary voltage table is connected, for acquiring evaporation fan with the evaporation fan inverter output terminal on the air-conditioning control panel
Frequency converter output voltage is simultaneously input to the conditioning control unit；
4th voltmeter is connected, for acquiring condensation fan with the condensation fan inverter output terminal on the air-conditioning control panel
Frequency converter output voltage, and collected all output voltages are input to the conditioning control unit.
4. detection device according to claim 3, which is characterized in that the first voltage table and the second voltage table are equal
Using 24V D.C. voltmeter, the tertiary voltage table and the 4th voltmeter are all made of 240V D.C. voltmeter.
5. detection device according to claim 1, which is characterized in that the detection device further includes power supply.
6. detection device according to claim 5, which is characterized in that the power supply includes 24V DC power supply and 550V electricity
Source；The 24V DC power supply is electrically connected to the conditioning control unit, and the 550V power supply is electrically connected to the air-conditioning control
High voltage input terminal in making sheet.
7. a kind of detection method of Electric air-conditioning control panel, which is characterized in that the described method includes:
(1) preset PLC program is inputted by air-conditioning PLC by PLC program input panel, and, pass through frequency converter program and ginseng
Preset frequency converter program and parameter are inputted corresponding air conditioning frequency converter by number input panel, and the air conditioning frequency converter is initialized
And it adjusts the air conditioning frequency converter and enters program input pattern；
(2) pass through temperature signal, outside temperature signal, fresh wind port temperature signal, height in analog signal input unit collecting vehicle
The status signal and positive temperature coefficient temperature signal to compress switch uses default PLC program by collected mould by air-conditioning PLC
Quasi- signal carries out being processed and transmitted to conditioning control unit to show processing result, wherein shown processing result includes sky
Running fault warning is adjusted, and further displays corresponding warning numbering when there are fault warning；
(3) the evaporation wind that acquisition unit acquires the evaporation fan signal output end on the air-conditioning control panel is exported by control panel
Machine signal output voltage, the condensation fan signal output voltage of condensation fan signal output end, evaporation fan inverter output terminal
Evaporation fan frequency converter output voltage and condensation fan inverter output terminal condensation fan frequency converter output voltage, pass through
The conditioning control unit by collected output voltage compared with pre-set output voltage after show comparison result.
8. detection method according to claim 7, which is characterized in that comparison result shown by step (3) includes acquisition
The output voltage arrived is consistent or inconsistent with pre-set output voltage.
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| CN201610631557.4A CN106094806B (en) | 2016-08-04 | 2016-08-04 | The detection device and detection method of Electric air-conditioning control panel |
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| CN201610631557.4A CN106094806B (en) | 2016-08-04 | 2016-08-04 | The detection device and detection method of Electric air-conditioning control panel |
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| CN106094806B true CN106094806B (en) | 2019-04-05 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577218B (en) * | 2017-08-31 | 2019-12-31 | 中国第一汽车股份有限公司 | Automatic test equipment for automobile air conditioner control unit |
| CN109357356A (en) * | 2018-09-11 | 2019-02-19 | 珠海格力电器股份有限公司 | Fault handling method and device, household appliance |
| CN110187697A (en) * | 2019-06-03 | 2019-08-30 | 佛山市中格威电子有限公司 | A kind of detection device and its detection method of Electric air-conditioning control panel |
| CN110673585B (en) * | 2019-10-15 | 2021-01-22 | 新誉轨道交通科技有限公司 | Test method, test device and test system for train air conditioning system |
| CN112014715B (en) * | 2020-07-24 | 2023-06-27 | 杭州微光电子股份有限公司 | EC fan control panel detection device |
| CN112944644A (en) * | 2021-03-24 | 2021-06-11 | 江苏新安电器股份有限公司 | Detection device and detection method for air conditioner control panel |
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| CN201004178Y (en) * | 2006-07-26 | 2008-01-09 | 珠海格力电器股份有限公司 | Automatic testing device for air conditioner controller |
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| CN104566867B (en) * | 2015-01-27 | 2015-09-23 | 蒋雨兰 | The PLC management and control program of on-board air conditioner monitoring running state and maintenance update |
| CN105094117A (en) * | 2015-07-20 | 2015-11-25 | 广东格兰仕集团有限公司 | Device for automatically testing functions of electric control plate of air-conditioner indoor set |
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| CN204667180U (en) * | 2015-06-11 | 2015-09-23 | 南方英特空调有限公司 | Automatic air conditioning controller of automobile detector |
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