CN205826035U - A kind of test device of refrigerator variable-frequency compressor driving plate - Google Patents
A kind of test device of refrigerator variable-frequency compressor driving plate Download PDFInfo
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- CN205826035U CN205826035U CN201620789168.XU CN201620789168U CN205826035U CN 205826035 U CN205826035 U CN 205826035U CN 201620789168 U CN201620789168 U CN 201620789168U CN 205826035 U CN205826035 U CN 205826035U
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Abstract
This utility model provides the test device of a kind of refrigerator frequency-changeable compressor panel, specifically include that for being the isolating transformer of test power by mains isolation, for the Switching Power Supply powered to master control borad, MCU master control borad, current transformer, electric parameter tester, serial ports touch screen.The test device of refrigerator frequency-changeable compressor panel of the present utility model, by simulated frequency conversion refrigerator situation during actually used, or or carries out comprehensive and accurate performance test before being installed on refrigerator complete machine to refrigerator frequency conversion drive plate before dispatching from the factory.
Description
Technical field
This utility model belongs to technical field of electric device control, is specifically related to the test of a kind of refrigerator variable-frequency compressor driving plate
Device.
Background technology
The application of refrigerator converter technique is more extensive, has the advantage that energy consumption is low, refrigerating efficiency is high.
The test of variable-frequency compressor driving plate at present carries out system test mainly by after loading complete machine, detects after the operation that powers on
Refrigerating function, relies on the artificial quality judging variable-frequency compressor driving plate according to testing result.
In above-mentioned current detection method, it is impossible to the acceptability limit of detection by quantitative parameters.Such as dc bus DC310V
The actual value of voltage, the actual value of MCU working power DC5V, the actual value of IPM working power DC15V, the reality of frequency-changeable compressor
The information such as border rotating speed.
And when detecting qualified according to above-mentioned current method complete machine, do not ensure that driving plate parameters is all qualified
In the range of, so cause driving plate quality it cannot be guaranteed that, qualified products still there will be the phenomenons such as the lost of life.
Given this, it is accordingly required in particular to design one test device, it is possible to when driving plate to dispatch from the factory or be installed on the advance of refrigerator
Row test comprehensively.
Utility model content
This utility model provides the test device of a kind of refrigerator variable-frequency compressor driving plate, it is therefore intended that carry out driving plate
Before exfactory inspection or refrigerator whole machine installation, variable-frequency compressor driving plate is detected, including power measurement, DC voltage inspection
Survey, compressor rotary speed measurement etc..
This utility model is achieved through the following technical solutions:
A kind of test device of refrigerator variable-frequency compressor driving plate, specifically include that for by mains isolation for test electricity consumption
The isolating transformer in source, for the Switching Power Supply powered to master control borad, MCU master control borad, current transformer, electric parameter tester,
Serial ports touch screen；
Described MCU master control borad includes multi-channel A/D testing circuit interface, described multi-channel A/D testing circuit interface and tested driving
The voltage tester end of plate connects；
Described MCU master control borad includes that communication transtation mission circuit, described communication transtation mission circuit are connected with tested driving plate, for sending out
Send driving signal to tested driving plate；
Described electric parameter tester is serially connected with between isolating transformer and tested driving plate, and test data is sent to
Single-chip microcomputer in MCU master control borad.
Further, described tested driving plate is placed in corresponding measurement jig, by test thimble and tested driving plate quilt
Measuring point is connected extraction voltage test lead, and this voltage tester end is connected to MCU master control borad.
Further, described tested driving plate connects corresponding frequency-changeable compressor.
Further, described current transformer folder drives line to frequency-changeable compressor, is used for measuring frequency-changeable compressor and drives line
Frequency.
Further, described serial ports touch screen is the display screen with touch function, is connected with MCU master control borad serial ports, with
All survey data of described MCU master control borad are shown on a display screen by the mode of serial communication.
Further, described test device also includes the host computer being connected with described MCU master control borad.
Further, described MCU master control borad includes UART communicating circuit, is connected with described host computer, by described MCU master
All test data of control plate communicatively upload to host computer, for the data analysis of test result.
The detection device of refrigerator frequency-changeable compressor panel of the present utility model, test content includes: detection frequency conversion drive
The voltage of plate work, frequency, power；The running voltage of the detection each power supply of frequency conversion drive plate；Simulation refrigerator master control borad sends target
Rotating speed is to frequency conversion drive plate；Detection frequency conversion drive plate drives the actual speed of compressor；Simulation IPM fault, to frequency conversion drive plate
Protectiveness verify.
The detection device of refrigerator frequency-changeable compressor panel of the present utility model, by the actually used mistake of simulated frequency conversion refrigerator
Situation in journey, thus refrigerator frequency conversion drive plate is tested before dispatching from the factory accurately.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model；
Fig. 2 is that electric parameter tester of the present utility model connects circuit diagram；
Fig. 3 is serial ports touch screen of the present utility model and master control borad connection diagram.
In figure: isolating transformer 1；Switching Power Supply 2；MCU master control borad 3；Current transformer 4；Electric parameter tester 5；Serial ports
Touch screen 6；Tested driving plate 7；Frequency-changeable compressor 8；Host computer 9.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is done further description.
As it is shown in figure 1, the test device of refrigerator variable-frequency compressor driving plate of the present utility model, specifically include that for inciting somebody to action
Mains isolation is the isolating transformer 1 of test power, for the Switching Power Supply 2 powered to master control borad, MCU master control borad 3, electric current
Transformer 4, electric parameter tester 5, serial ports touch screen 6.
Described isolating transformer 1 is for providing safety power supply to Switching Power Supply 2 and measured target frequency conversion drive plate 7, it is ensured that
The safety of operator.
The external tested driving plate 7 of described test device, tested driving plate 7 connects the frequency-changeable compressor 8 of correspondence.
Described MCU master control borad 3 includes multi-channel A/D testing circuit interface, described multi-channel A/D testing circuit interface and tested driving
The voltage tester end of plate 7 connects, for detecting DC310V, DC15V, DC5V, DC3.3V voltage in tested driving plate 7, according to
Term of reference judges that tested driving plate 7 voltage is the most normal；
Described MCU master control borad 3 includes that communication transtation mission circuit, described communication transtation mission circuit are connected with tested driving plate 7, are used for
Send and drive signal to tested driving plate 7.
Described tested driving plate 7 is placed in corresponding measurement jig, test thimble be connected with tested driving plate 7 measured point
Extraction voltage test lead, this voltage tester end is connected to MCU master control borad 3.
Described current transformer 4 presss from both sides to driven compressor line, for measuring the frequency of driven compressor line, and frequency is believed
Number access MCU master control borad 3, through in MCU master control borad 3 change-over circuit change after deliver to the single-chip microcomputer in MCU master control borad 3, process
Computing draws compressor operation speed.
As in figure 2 it is shown, described electric parameter tester 5 is serially connected with between isolating transformer 1 and tested driving plate 7, it is used for surveying
Amount voltage, electric current, frequency, power, this electric parameter tester 5 has communication function, test data is sent to MCU master control borad 3
In single-chip microcomputer.
Described serial ports touch screen 6 is the display screen with touch function, is connected with MCU master control borad 3 serial ports, with serial communication
Mode surveyed for MCU master control borad 3 data are shown on screen.As it is shown on figure 3, described serial ports touch screen 6 and MCU master control borad 3
Connected by serial communication, parameter setting can be carried out by serial ports touch screen 6, as arranged the criterion model measuring parameter
Enclose, by MCU master control borad 3, measured value is judged after setting, demonstrate measurement data and measurement result on a display screen.Test
Data include: supply voltage, frequency of supply, electric current, power consumption, tested driving plate DC310V, DC15V, DC5V, compressor are real
Border rotating speed, model information, defencive function are the most normal.
Described serial ports touch screen 6 can arrange the criterion scope measuring parameter, automatic by MCU master control borad 3 after setting
Measured value is judged, demonstrates measured value and measurement result on a display screen.
The test device of the present invention also includes the host computer 9 being connected with described MCU master control borad 3.
Described MCU master control borad 3 includes UART communicating circuit, is connected with host computer 9, by all test data with communication side
Formula uploads to host computer 9, for the data analysis of test result.
In test process, simulation refrigerator master control borad is sent instructions to tested driving plate 7 by MCU master control borad 3, makes tested driving
Dynamic plate 7 is operated according to instruction.
In test process, simulation refrigerator master control borad is sent fault-signal extremely tested driving plate 7, to tested by MCU master control borad 3
Plate 7 defencive function is driven to verify；Detect the failure response function of tested driving plate 7 and detect whether to make protection act.
Described host computer 9 is connected with test device by UART communication, and all data of test are uploaded by test device
To host computer, it is used for testing record and preserves and data analysis.
It is only preferred examples to explanation of the present utility model above, can not be understood to technical solutions of the utility model
The restriction of content.In a particular application, technical staff is likely to require and adjusts the most individually and change above content
Becoming, described adjustment and change all should fall among the protection domain of this utility model claims.
Claims (7)
1. the test device of a refrigerator variable-frequency compressor driving plate, it is characterised in that specifically include that for by mains isolation being
The isolating transformer of test power, for the Switching Power Supply powered to master control borad, MCU master control borad, current transformer, electrical quantity
Tester, serial ports touch screen；
Described MCU master control borad includes multi-channel A/D testing circuit interface, described multi-channel A/D testing circuit interface and described tested driving
The voltage tester end of plate connects；
Described MCU master control borad includes that communication transtation mission circuit, described communication transtation mission circuit are connected with described tested driving plate, for sending out
Send driving signal to described tested driving plate；
Described electric parameter tester is serially connected with between described isolating transformer and described tested driving plate, and will test data transmission
Single-chip microcomputer to described MCU master control borad.
The test device of refrigerator variable-frequency compressor driving plate the most according to claim 1, it is characterised in that described tested drive
Dynamic plate is placed in corresponding measurement jig, test thimble be connected with the measured point of described tested driving plate extraction voltage test
End, this voltage tester end is connected to described MCU master control borad.
The test device of refrigerator variable-frequency compressor driving plate the most according to claim 1, it is characterised in that described tested drive
Dynamic plate connects corresponding frequency-changeable compressor.
The test device of refrigerator variable-frequency compressor driving plate the most according to claim 3, it is characterised in that described electric current is mutual
Sensor folder drives line to frequency-changeable compressor, drives the frequency of line for measuring frequency-changeable compressor.
The test device of refrigerator variable-frequency compressor driving plate the most according to claim 1, it is characterised in that described serial ports touches
Touching screen is the display screen with touch function, is connected, by described MCU in the way of serial communication with described MCU master control borad serial ports
All survey data of master control borad show on a display screen.
The test device of refrigerator variable-frequency compressor driving plate the most according to claim 1, it is characterised in that described test fills
Put the host computer also including being connected with described MCU master control borad.
The test device of refrigerator variable-frequency compressor driving plate the most according to claim 6, it is characterised in that described MCU master
Control plate includes UART communicating circuit, is connected with described host computer, by all test data of described MCU master control borad with communication side
Formula uploads to described host computer, for the data analysis of test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789168.XU CN205826035U (en) | 2016-07-25 | 2016-07-25 | A kind of test device of refrigerator variable-frequency compressor driving plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789168.XU CN205826035U (en) | 2016-07-25 | 2016-07-25 | A kind of test device of refrigerator variable-frequency compressor driving plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826035U true CN205826035U (en) | 2016-12-21 |
Family
ID=57561599
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620789168.XU Active CN205826035U (en) | 2016-07-25 | 2016-07-25 | A kind of test device of refrigerator variable-frequency compressor driving plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN205826035U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462835A (en) * | 2017-08-21 | 2017-12-12 | 安徽中家智康科技有限公司 | A kind of card insert type one controls the test device of more frequency-changeable compressors |
| CN108226666A (en) * | 2017-08-21 | 2018-06-29 | 安徽中家智康科技有限公司 | A kind of frequency-changeable compressor detector |
| CN110134114A (en) * | 2019-05-25 | 2019-08-16 | 杭州华日家电有限公司 | A kind of adaptive automatic testing equipment and method of refrigerator electric control |
| CN115163452A (en) * | 2022-06-20 | 2022-10-11 | 深圳拓邦股份有限公司 | Method, device and equipment for detecting compressor without real object and readable storage medium |
-
2016
- 2016-07-25 CN CN201620789168.XU patent/CN205826035U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462835A (en) * | 2017-08-21 | 2017-12-12 | 安徽中家智康科技有限公司 | A kind of card insert type one controls the test device of more frequency-changeable compressors |
| CN108226666A (en) * | 2017-08-21 | 2018-06-29 | 安徽中家智康科技有限公司 | A kind of frequency-changeable compressor detector |
| CN110134114A (en) * | 2019-05-25 | 2019-08-16 | 杭州华日家电有限公司 | A kind of adaptive automatic testing equipment and method of refrigerator electric control |
| CN115163452A (en) * | 2022-06-20 | 2022-10-11 | 深圳拓邦股份有限公司 | Method, device and equipment for detecting compressor without real object and readable storage medium |
| CN115163452B (en) * | 2022-06-20 | 2024-02-09 | 深圳拓邦股份有限公司 | Method, device and equipment for detecting non-physical compressor and readable storage medium |
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