CN202166720U - Automatic testing device of speed regulation control circuit - Google Patents
Automatic testing device of speed regulation control circuit Download PDFInfo
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- CN202166720U CN202166720U CN2011202040880U CN201120204088U CN202166720U CN 202166720 U CN202166720 U CN 202166720U CN 2011202040880 U CN2011202040880 U CN 2011202040880U CN 201120204088 U CN201120204088 U CN 201120204088U CN 202166720 U CN202166720 U CN 202166720U
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Abstract
The utility model provides an automatic testing device of a speed regulation control circuit, comprising a computer host, a man-machine interaction module, a data acquisition module and a test tool module, wherein the data acquisition module comprises a data acquisition card and a test and control connector, the test tool module comprises a mechanical structure, a shift switching drive circuit and a load circuit, the mechanical structure comprises a housing, a product supporting seat, a movable probe carriage and a telescopic probe, the test and control connector is connected with the data acquisition card, the data acquisition card is connected with the computer host, the test and control connector is also connected with the shift switching drive circuit and the telescopic probe, and the telescopic probe is also connected with the load circuit and the shift switching drive circuit. The automatic testing device is rapid in response, accurate in test, reliable in determination, convenient in data recording, good in versatility and easy for application.
Description
Technical field
This proving installation relates to measures and the control technology field particularly a kind of speed-regulating control circuit automatic detection device.
Background technology
Described speed-regulating control circuit comprises 6 technical parameters: low speed pulsed frequency, dutycycle, Voltage Peak peak value, high-speed pulse frequency, dutycycle, Voltage Peak peak value.Method of testing commonly used is to use the oscilloscope measurement waveform, and shows above 6 test parameters, and the tester makes judgement according to specification standards to data presented.In addition, some professional testing tool manufacturers also can be according to application person's different needs, and the tester that custom-made is special-purpose can be realized automatic judgement, avoids the artificial accidental error of judging.So-called test automatically is meant the measured signal of surveying instrument equipment to input, through the sampling image data; Use specific algorithm, the data that collect are calculated, handled, obtain the end value of parameter to be measured; Compare judgement according to specification standards again; Show final judged result, and preserve into log file to the result of test, judgement, make things convenient for the tester to open as data statistic analysis later on.
But method of testing commonly used only provides the parameter end value of test, can't judge automatically, relies on the tester artificially to judge, through after the operation for a long time, accidental error takes place easily.And the special-purpose testing tool of customization, both can measurement parameter, also can make judgement automatically, avoid accidental error, but its function is too single-minded, test parameter is changed variation to some extent then can not be general, inconvenience to some extent in practical application.Therefore, all there is shortcoming in various degree in method of testing commonly used with special-purpose testing tool, can not satisfy practical application request fully.
Summary of the invention
The purpose of the utility model is to overcome the shortcoming of above-mentioned prior art, provide a kind of and react fast, test accurately, judge reliable, data recording is convenient, versatility is good, the speed-regulating control circuit automatic testing equipment that is easy to use.
The purpose of the utility model realizes through following proposal:
A kind of speed-regulating control circuit automatic testing equipment is characterized in that, this device comprises main frame, human-computer interaction module, data acquisition module and measurement jig module, and said data acquisition module comprises data collecting card and test and control linkage device; Said measurement jig module comprises mechanical structured member, gear switch driving circuit and is used for the load circuit of the load request of analog equipment practical application; Said mechanical structured member comprises housing, product load bearing seat, movable probe frame and telescopic probe; Said probe stationary is in the lower surface of movable probe frame; The product load bearing seat be positioned at probe under and be fixed on the bottom surface of housing, said movable probe frame is supported and can be moved up and down with respect to the product load bearing seat by the spring that lays respectively at product load bearing seat both sides; Said test links to each other with data collecting card with the control linkage device; Data collecting card links to each other with main frame; Said test also links to each other with telescopic probe with the gear switch driving circuit with the control linkage device, and said telescopic probe also links to each other with the gear switch driving circuit with load circuit; Said human-computer interaction module comprises keyboard, mouse and the display that links to each other with main frame, and main frame is supported PCI socket display card.
Preferably, said load circuit is formed by connecting power resistor and insulated gate field-effect pipe.
Preferably, said gear switch driving circuit is the shift signal that receiving computer sends, the pilot relay switch motion, and described relay links to each other with extensible probe.
Preferably, said product load bearing seat is provided with the groove identical with product design.
Preferably, described data collecting card model is the PCI-6221 type that NATIONAL INSTRUMENTS company produces; Described test links to each other with the PCI-6221 data collecting plate card with the data cable of control linkage device via the band shielding protection.The PCI-6221 data collecting card that described NATIONAL INSTRUMENTS company produces; It is the multi-functional M series data of a low cost capture card; 16 tunnel analog inputs (250KS/s) are arranged; 2 tunnel 16 simulation outputs (833kS/s), up to 24 way word I/O mouths, so many I/O port can be realized multiparameter, multi-functional complicated the measurement.Also have some senior characteristics,, thereby improved performance and precision like NI-STC 2 system controllers, NI-PGIA 2 programmable amplifiers and NI-MCal collimation technique.
The utility model has following advantage and beneficial effect with respect to prior art:
(1) also built-in computer testing of the automatic testing equipment of the utility model and Control Software module, it is powerful that system is constituted;
(2) can accomplish to test rapidly and accurately, judge, show and logging test results;
(3) the test data record is with general Excel document format, and direct reading, editor, statistical study conveniently use a computer;
(4) mechanical structured member adopts telescopic test probe, and they can be to the product hard defects that impact when the contact product test point.
Description of drawings
Fig. 1 is the block scheme of the utility model automatic testing equipment.
Fig. 2 is the structural representation of mechanical structured member.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is done further explain, but the embodiment of the utility model is not limited thereto.
The structure of present embodiment is as shown in Figure 1, and this speed-regulating control circuit automatic testing equipment is made up of main frame, human-computer interaction module, data acquisition module, measurement jig module.Said data acquisition module comprises data collecting card and test and control linkage device, and said test links to each other with data collecting card with the control linkage device, and said data collecting card links to each other with said main frame; Said measurement jig module comprises load circuit, gear switch driving circuit and mechanical structured member, and said load circuit, gear switch driving circuit are installed in the mechanical structured member, and links to each other with the control linkage device with said test through lead; Described human-computer interaction module is made up of keyboard, mouse and LCD, and they all link to each other with main frame.
Main frame is the core of this speed-regulating control circuit automatic testing equipment, and main frame is responsible for the data that all data acquisition modules are imported are analyzed, handled, and exports to human-computer interaction module.Consider the versatility of product; The model that this speed-regulating control circuit automatic testing equipment has selected for use NATIONAL INSTRUMENTS company to produce is the pci interface data collecting card of PCI-6221; And in main frame built-in testing and Control Software module, thereby make the formation of this speed-regulating control circuit automatic testing equipment powerful.
Described main frame adopts the high performance Pentium Dual Core CPU of Intel Company, so that during the software systems operation, image data and deal with data can improve the speed of testing two core cpu concurrent operations.Test data directly is stored in the hard disk in the main frame, so as to access that data are read, editor and statistical study.The testing software that writes adopt " image data-＞deal with data-＞preserve data-＞show judged result " flow process, the test data of each product is preserved immediately, avoid because the loss of data that the external cause power down causes.
Described test and control linkage device and data collecting card are supporting; The model of selecting for use NATIONAL INSTRUMENTS company to produce is the M serial equipment connector of SCB-68; SCB-68 provides 68 Wiring ports; Each Wiring port can be specified to data collecting card identification through management software, as long as receive the appointment Wiring port of testing with the control linkage device to the data line of output device, data collecting card just can receive signal and image data through shielded cable.
Described measurement jig module comprises mechanical structured member and is positioned at the gear switch driving circuit and the load circuit of mechanical structured member; Described load circuit is used for the load request of analog equipment practical application; Form by power resistor and MOS FET (insulated gate field-effect pipe), and be wired on the probe 4 and gear switch driving circuit of mechanical structured member.Product to be tested has high low speed limit point; The test of each product all must be switched gear; Send shift signal by computing machine, this signal transfers to the gear switch driving circuit via data collecting card, test and control linkage device, and the gear switch driving circuit receives signal; The pilot relay switch motion realizes the switching of gear.Like this, make the test process of two gears switch fast, do not influence the efficient of test.The relay of said gear switch driving circuit control links to each other with the probe 4 of mechanical structured member.
Said mechanical structured member comprises product load bearing seat 1, support spring 2, movable probe frame 3, telescopic probe 4 and housing 5; Said probe 4 is fixed in the lower surface of movable probe frame 3; Product load bearing seat 1 be positioned at probe 4 under and be fixed on the bottom surface of housing 5; Said movable probe frame 3 is supported by the spring that lays respectively at product load bearing seat 1 both sides 2, and said spring 2 passes on the bottom surface that guide rail is fixed in housing 5, and said movable probe frame 3 can move up and down with respect to product load bearing seat 1.Described product load bearing seat 1 is to make with the groove that stainless steel mills out product design, convenient location during product test; Said probe 4 links to each other with the control linkage device with test.During product test, to 4 energisings of telescopic probe, depress movable probe frame 3 through handle, telescopic probe is contacted with product test point, telescopic probe can be to the product hard defects that impact when the contact product test point.
Computing machine sends shift signal and gives the gear switch driving circuit; Can not detect the response of measurement jig; Just wait for 0.2 second time (relay switches and finishes); Data collecting card is transferred to computing machine with this test signal again and handles via the test signal of test with control linkage device collection extensible probe then.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (5)
1. a speed-regulating control circuit automatic testing equipment is characterized in that, this device comprises main frame, human-computer interaction module, data acquisition module and measurement jig module, and said data acquisition module comprises data collecting card and test and control linkage device; Said measurement jig module comprises mechanical structured member, gear switch driving circuit and is used for the load circuit of the load request of analog equipment practical application; Said mechanical structured member comprises housing, product load bearing seat, movable probe frame and telescopic probe; Said probe stationary is in the lower surface of movable probe frame; The product load bearing seat be positioned at probe under and be fixed on the bottom surface of housing, said movable probe frame is supported and can be moved up and down with respect to the product load bearing seat by the spring that lays respectively at product load bearing seat both sides; Said test links to each other with data collecting card with the control linkage device, and said data collecting card links to each other with said main frame, and said human-computer interaction module comprises keyboard, mouse and the display that links to each other with main frame; Said test also links to each other with telescopic probe with the gear switch driving circuit with the control linkage device, and said telescopic probe also links to each other with the gear switch driving circuit with load circuit.
2. speed-regulating control circuit automatic testing equipment according to claim 1 is characterized in that, said load circuit is formed by connecting power resistor and insulated gate field-effect pipe.
3. speed-regulating control circuit automatic testing equipment according to claim 2 is characterized in that, said gear switch driving circuit is the shift signal that receiving computer sends, the pilot relay switch motion, and described relay links to each other with extensible probe.
4. speed-regulating control circuit automatic testing equipment according to claim 2 is characterized in that, said product load bearing seat is provided with the groove identical with product design.
5. speed-regulating control circuit automatic testing equipment according to claim 1 is characterized in that, described data collecting card model is the PCI-6221 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202040880U CN202166720U (en) | 2011-06-16 | 2011-06-16 | Automatic testing device of speed regulation control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202040880U CN202166720U (en) | 2011-06-16 | 2011-06-16 | Automatic testing device of speed regulation control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN202166720U true CN202166720U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202040880U Expired - Fee Related CN202166720U (en) | 2011-06-16 | 2011-06-16 | Automatic testing device of speed regulation control circuit |
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| Country | Link |
|---|---|
| CN (1) | CN202166720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890233A (en) * | 2012-09-17 | 2013-01-23 | 广州市能迪自动化设备有限公司 | Detection device for detecting circuit board |
-
2011
- 2011-06-16 CN CN2011202040880U patent/CN202166720U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890233A (en) * | 2012-09-17 | 2013-01-23 | 广州市能迪自动化设备有限公司 | Detection device for detecting circuit board |
| CN102890233B (en) * | 2012-09-17 | 2014-12-10 | 广州市能迪自动化设备有限公司 | Detection device for detecting circuit board |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 519015 Guangdong province Zhuhai City Jiuzhou Road East three lane 20, three layers of flowers Patentee after: Zhuhai Huajing Microelectronics Co., Ltd. Address before: 519015 Guangdong city of Guangzhou province Zhuhai Jiuzhou Road No. 20 Lane three East three layer Patentee before: Zhuhai Huajing Microelectronics Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20140616 |
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| EXPY | Termination of patent right or utility model |