CN204882817U - General if converting circuit test system - Google Patents
General if converting circuit test system Download PDFInfo
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- CN204882817U CN204882817U CN201520642301.4U CN201520642301U CN204882817U CN 204882817 U CN204882817 U CN 204882817U CN 201520642301 U CN201520642301 U CN 201520642301U CN 204882817 U CN204882817 U CN 204882817U
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Abstract
The utility model provides a general IF converting circuit test system, includes, the relay switching circuit for the control relay is connected and is surveyed the product, secondary power module connects the relay switching circuit, the output DC voltage, a power module connects secondary power module, the output of control secondary power module, test instrument switches circuit connection with the relay, and the product is surveyed in the test, receives the output signal of feedback, the testing software is installed to the industrial computer, and relay switching circuit, power module, test equipment are connected to the electricity, and control test procedure shows the test result. The utility model discloses the complete program control of test procedure of IF converting circuit board, it is automatic, make efficiency of software testing improve greatly.
Description
Technical field
The present invention relates to the field tests of electronic technology and electronic equipment, particularly, relate to a kind of test macro of general purpose I F change-over circuit.
Background technology
I/F (Intensityofcurrent/Frequency) change-over circuit plate is in the test and debug process of product, and the testing tool used is more, and test item is complicated.The tester of existing I/F change-over circuit is stacked up by each monomer functional module of some function to realize, and the parameter transformation test of tester is all realized by functional switches different on its panel, is commonly called as " taking stand ".And a kind of tester can only test a kind of I/F change-over circuit plate usually, different tester major parts can not be general.When " taking stand " and test, not only the area of engaged test is comparatively large, and the I/F change-over circuit test macro of different model is not general each other, causes testing apparatus to load and unload back and forth, reduces production efficiency.I/F change-over circuit itself needs to test, record, process data more, these data are all completed by debugging person's artificial treatment, cause the significant wastage of man power and material, simultaneously also inevitably bring hidden danger of quality.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of general purpose I/F change-over circuit test macro, the volume of tester can be reduced, improve testing efficiency, save man power and material cost, overcome that existing tester equipment is dismantled back and forth, data be all by debugging person's artificial treatment complete cause inefficiency, waste of manpower, hidden danger of quality problem.
Technical scheme of the present invention is:
A kind of general purpose I F change-over circuit test macro, comprise, relay commutation circuit, connects test product for pilot relay; Secondary power supply module, connects relay commutation circuit, exports DC voltage; Primary power source module, connecting secondary power module, controls secondary power supply module and exports; Testing tool, is connected with relay commutation circuit, and test test product, receives the output signal of feedback; Industrial computer, is provided with testing software, and electrical connection relay commutation circuit, primary power source module, testing apparatus, control test process and show test results.
Further, testing tool comprises digital multimeter and impulse meter, digital multimeter test primary power source module, the voltage of secondary power supply module and the voltage and current of test product, and impulse meter is used for testing the output umber of pulse of test product.
Further, also comprise, multi-functional prover and signal generator, for test product provides high-precision constant current source, constant pressure source and frequency standard signal.
Further, testing tool is connected by bus with industrial computer, and test product is connected with general purpose I F change-over circuit test macro by test cable.
Further, industrial computer receives test result, test result is shown in the form of a spreadsheet by display, and whether energy automatic decision test result is correct.
Further, pilot relay commutation circuit, secondary power supply modules A and secondary power supply module B are positioned at a removable transfer box of test macro, and they are connected by cable with outside.
The present invention's advantage is compared with prior art:
The complete programmed control of test process of 1.I/F change-over circuit plate, robotization, makes testing efficiency greatly improve;
2. during test, whether energy automatic decision test product is qualified, and generates test data form, is convenient to testing crew record data;
3. general purpose I/F change-over circuit test macro has test product input signal automatic detection function, can effectively reduce the damage causing test product in test process because of maloperation;
4. general purpose I/F change-over circuit test macro, can test multiple different I/F change-over circuit plate, greatly save testing cost.
Accompanying drawing explanation
Fig. 1 is the compositional block diagram of system of the present utility model;
Fig. 2 is relay commutation circuit schematic diagram of the present utility model.
Fig. 3 is PC control interface of the present utility model.
Fig. 4 is the data form of automatic production of the present utility model.
Fig. 5 is selection relay topological structure of the present utility model.
Embodiment
The technical solution adopted in the utility model is: with electronic technology, industrial computer is connected with general self-powered instrument the test realizing product based on automatic test technology.This test macro is primarily of primary power source module, secondary power supply module, signal generator, impulse meter, multi-functional prover, digital multimeter, relay commutation circuit and industrial computer, display composition.Its repeat circuit commutation circuit and secondary power supply module are all placed in transfer box, realize interconnecting by connector and external unit.This automatization test system needs the function of signal and the realization provided to provide to meet power supply needed for the work of many moneys I/F change-over circuit, and power supply is program-controlled; There is provided interlock switch signal accurately, to control the test to choosing circuit board; Frequency standard signal needed for the work of I/F change-over circuit is provided; The pulse signal providing I/F change-over circuit to export is tested; The current signal met needed for the work of I/F change-over circuit is provided; Design suitable switching over matrix, to meet the time-sharing multiplex of circuit to signal; Test process is completely program control; Automatic generation meets the test data form of product demand; According to user's request, can select to certain, a certain, certain road and all test of test data and process.
Heavy line in Fig. 3 is line, and RELAY-A, RELAY-B output of control A point, B point and unsettled respectively, the positive and negative of its output voltage is controlled by RELAY-S1, and the principle of C point and D point is with A point B point.
So far adopt this relay topological structure employ 70 relays achieve 64 output control, scheme is comparatively optimized.Path testing is carried out to the product exceeding at 64 and only need carry out corresponding operating according to the address of relay board, make number of test points can realize infinite expanding in theory.
When operator assigns beginning test command, " click " can be selected as the button of single-phase, the right way in Fig. 3, negative road and all tests, and test macro generates test form automatically.As shown in Figure 4.Meanwhile, the also Excitation and response that applies of real-time display system in figure 3, and display is to the analysis of data, result of calculation.When a certain test data is defective, in Fig. 3 and Fig. 4 relevant position, display is red.After having tested, from the position of preserving ejection data.
Whole general purpose I/F change-over circuit test macro is controlled by industrial computer (1), come pilot relay commutation circuit (3), digital multimeter (6), multi-functional prover (7), primary power source module (8), signal generator (9) and impulse meter (10) by the testing software in industrial computer (1), control by primary power source module (8) DC voltage that secondary power supply module exports+15V ,-15V and+12V.Pilot relay commutation circuit (3), secondary power supply modules A (4) and secondary power supply module B (5) are positioned at a transfer box of test macro, and they are connected by cable with outside.Test primary power source module (8), the voltage of secondary power supply module (4) (5) and the voltage and current of test product (11) by digital multimeter (6), the system resource in test process be multiplexing, the Excitation and response of measured parameter test be come by industrial computer (1) pilot relay commutation circuit (3).Multi-functional prover (7) and signal generator (9) provide high-precision constant current source (constant pressure source) and frequency standard signal for test product (11), and impulse meter (10) is used for testing the output umber of pulse of test product (11).All purpose instrument is connected by bus with industrial computer (1), and test product (11) is connected with test macro by test cable.In the form of a spreadsheet test result is shown finally by display (2), and whether energy automatic decision test result is correct.
Above-mentioned general purpose I/F change-over circuit test macro, energy is test I/F change-over circuit plate automatically, generates test data form simultaneously and judges whether its test result meets test request.
Above-mentioned general purpose I/F change-over circuit test macro, can test multiple different I/F change-over circuit plate, and often kind of circuit board is connected with tester by different test cables.
Above-mentioned general purpose I/F change-over circuit test macro, switching during test between signal is completed by industrial computer pilot relay commutation circuit.
Test macro of the present utility model comes pilot relay commutation circuit (3), digital multimeter (6), multi-functional prover (7), primary power source module (8), signal generator (9) and impulse meter (10) by the testing software in industrial computer (1), controls secondary power supply modules A (4) and secondary power supply module B (5) by primary power source module (8).Relay commutation circuit (3) switches input signal and the output signal of test product (11), finally test result is presented on display (2).
Industrial computer is the core of whole test macro, controls universal intelligent instrument and relay commutation circuit by it, and the automatic test and the test result data that realize I/F change-over circuit plate judge.
The unspecified part of the utility model belongs to general knowledge as well known to those skilled in the art.
Claims (6)
1. a general purpose I F change-over circuit test macro, is characterized in that, comprises,
Relay commutation circuit (3), connects test product (11) for pilot relay;
Secondary power supply module, connects described relay commutation circuit (3), exports DC voltage;
Primary power source module (8), connecting secondary power module, controls described secondary power supply module and exports;
Testing tool, is connected with described relay commutation circuit (3), test test product (11), receives the output signal of feedback;
Industrial computer (1), is provided with testing software, is electrically connected described relay commutation circuit (3), described primary power source module (8), described testing apparatus, controls test process and shows test results.
2. general purpose I F change-over circuit test macro according to claim 1, it is characterized in that, described testing tool comprises digital multimeter (6) and impulse meter (10), digital multimeter (6) test primary power source module (8), the voltage of secondary power supply module and the voltage and current of test product (11), impulse meter (10) is used for testing the output umber of pulse of test product (11).
3. general purpose I F change-over circuit test macro according to claim 1, it is characterized in that, also comprise, multi-functional prover (7) and signal generator (9), for test product (11) provides high-precision constant current source, constant pressure source and frequency standard signal.
4. general purpose I F change-over circuit test macro according to claim 2, is characterized in that, testing tool is connected by bus with industrial computer (1), and test product (11) is connected with general purpose I F change-over circuit test macro by test cable.
5. general purpose I F change-over circuit test macro according to claim 1, it is characterized in that, industrial computer (1) receives test result, test result is shown in the form of a spreadsheet by display (2), and whether energy automatic decision test result is correct.
6. general purpose I F change-over circuit test macro according to claim 1, it is characterized in that, pilot relay commutation circuit (3), secondary power supply modules A (4) and secondary power supply module B (5) are positioned at a removable transfer box of test macro, and they are connected by cable with outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642301.4U CN204882817U (en) | 2015-08-24 | 2015-08-24 | General if converting circuit test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642301.4U CN204882817U (en) | 2015-08-24 | 2015-08-24 | General if converting circuit test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882817U true CN204882817U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520642301.4U Expired - Fee Related CN204882817U (en) | 2015-08-24 | 2015-08-24 | General if converting circuit test system |
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| Country | Link |
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| CN (1) | CN204882817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325308A (en) * | 2021-12-14 | 2022-04-12 | 湖南航天机电设备与特种材料研究所 | IF circuit testing method and apparatus, and random signal generating method and apparatus |
-
2015
- 2015-08-24 CN CN201520642301.4U patent/CN204882817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325308A (en) * | 2021-12-14 | 2022-04-12 | 湖南航天机电设备与特种材料研究所 | IF circuit testing method and apparatus, and random signal generating method and apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151216 Termination date: 20200824 |