CN205229373U - Connector terminal tester - Google Patents
Connector terminal tester Download PDFInfo
- Publication number
- CN205229373U CN205229373U CN201520904783.6U CN201520904783U CN205229373U CN 205229373 U CN205229373 U CN 205229373U CN 201520904783 U CN201520904783 U CN 201520904783U CN 205229373 U CN205229373 U CN 205229373U
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- Prior art keywords
- microprocessor
- signal source
- test
- module
- way selector
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Abstract
The utility model discloses a connector terminal tester, including microprocessor and test output port, still include double - circuit selector, multiple selector module, the enlarged module of adjustable gain, virtual value converting circuit, alternating current signal source and DC signal source, the test output port be connected with double - circuit selector both -way communication, and the double - circuit selector is connected with the input of microprocessor and multiple selector module respectively, and the multiple selector module connects gradually the input that module and virtual value converting circuit are enlargied in adjustable gain, the input in alternating current signal source and DC signal source is connected respectively to microprocessor's output, and the input of double - circuit selector is connected respectively to the output in alternating current signal source and DC signal source, through the double - circuit selector with be connected test output port and connect. The utility model discloses setting up a plurality of test ports, realizing the multichannel test, efficiency of software testing is improved to convenient the collection, reduces test cost, and the measuring accuracy is high.
Description
Technical field
The utility model relates to testing apparatus, particularly relates to a kind of bonder terminal tester.
Background technology
In prior art, the connection of terminal connecting line conveniently wire is applied, it is exactly one section of sheet metal being enclosed in inside ambroin in fact, two ends are all porose can insert, and can select arbitrarily wire count and spacing, makes connection more convenient faster, greatly reduce the volume of electronic product, reduce production cost, enhance productivity, be best suited between moving-member and mainboard, pcb board is to being used as data transmission cable between pcb board, in miniaturization electric equipment.
But the bonder terminal of prior art is in test process, tester complex structure, cost is high, and precision and accuracy lower.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of bonder terminal tester, improves measuring accuracy, simplifies structure.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of bonder terminal tester, comprises microprocessor and test output terminal mouth, also comprises two-way selector switch, MUX module, adjustable gain amplification module, RMS-DC converter circuit, alternating message source and DC signal source; Test output terminal mouth is connected with the two-way communication of two-way selector switch, two-way selector switch is divided into two groups, be connected with the input end of microprocessor and MUX module respectively, MUX module connects the input end of adjustable gain amplification module and RMS-DC converter circuit successively, the output terminal of RMS-DC converter circuit connects the input end of microprocessor, and the input end of MUX module connects the output terminal of microprocessor; The output terminal of microprocessor connects the input end of alternating message source and DC signal source respectively, and alternating message source is connected the input end of two-way selector switch respectively with the output terminal of DC signal source, is connected with connecting test output port by two-way selector switch.
As preferred embodiment of the present utility model, test output terminal mouth described in the utility model is 32 drive test examination output interfaces; MUX module is 32 select 1 MUX module.
As preferred embodiment of the present utility model, described in the utility model 32 select 1 MUX module, are made up of 5 CD4051, and adjustable gain amplification module is made up of amplifier OP37 and multiplier ADC chip AD5453, and RMS-DC converter circuit is made up of AD630.
As preferred embodiment of the present utility model, microprocessor described in the utility model is provided with 32 tunnel input I/O ports, and microprocessor is connected with two-way selector output end by 32 tunnel input I/O ports.
As preferred embodiment of the present utility model, tester described in the utility model also arranges a LCD display circuit, is connected with microprocessor two-way communication.
As preferred embodiment of the present utility model, tester described in the utility model also arranges a keyboard, is connected with microprocessor two-way communication.
As preferred embodiment of the present utility model, microprocessor described in the utility model is made up of STM32F407 chip.
As preferred embodiment of the present utility model, alternating message source described in the utility model is made up of DDS chip AD9833 and amplifier OP37 and multiplier ADC chip AD5453, and described DC signal source is made up of DAC chip AD8512 and amplifier OP07.
As preferred embodiment of the present utility model, two-way selector switch described in the utility model is single pole double throw analog switch, is made up of chip ADG1234.
Compared with prior art, the beneficial effects of the utility model are: arrange multiple test port, realize multiple channel test, and convenient collection, improves testing efficiency, reduce testing cost, and measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the utility model two-way selector structure schematic diagram.
Embodiment
Purport of the present utility model is to overcome the deficiencies in the prior art, provides a kind of bonder terminal tester, economizes on resources, and improves testing efficiency, reduces costs.Be described in detail, to be interpretated more in-depth technical characteristic of the present utility model and advantage with reference to accompanying drawing below in conjunction with embodiment.
Theory diagram of the present utility model as shown in Figure 1, a kind of bonder terminal tester, comprise microprocessor and test output terminal mouth, also comprise two-way selector switch, MUX module, adjustable gain amplification module, RMS-DC converter circuit, alternating message source and DC signal source; Test output terminal mouth is connected with the two-way communication of two-way selector switch, and two-way selector switch is divided into two groups, is connected respectively with the input end of microprocessor and MUX module.Each group arranges two two-way selector switchs, and first group is connected with microprocessor, second group and MUX model calling.
In addition, MUX module connects the input end of adjustable gain amplification module and RMS-DC converter circuit successively, and the output terminal of RMS-DC converter circuit connects the input end of microprocessor, and the input end of MUX module connects the output terminal of microprocessor; The output terminal of microprocessor connects the input end of alternating message source and DC signal source respectively, and alternating message source is connected the input end of two-way selector switch respectively with the output terminal of DC signal source, is connected with connecting test output port by two-way selector switch.
Preferably, test output terminal mouth described in the utility model is 32 drive test examination output interfaces; MUX module is 32 select 1 MUX module; Described in the utility model 32 select 1 MUX module, are made up of 5 CD4051, read in for selecting the AC signal of 32 test ports.Adjustable gain amplification module is made up of amplifier OP37 and multiplier ADC chip AD5453, is responsible for the simulating signal that 32 select 1 MUX module to bring to carry out adjustable amplification.RMS-DC converter circuit is made up of AD630, is responsible for AC analogue signal to be converted to direct current signal to facilitate the collection of ADC.Microprocessor described in the utility model is provided with 32 tunnel input I/O ports, and microprocessor is connected with two-way selector output end by 32 tunnel input I/O ports.
Tester described in the utility model also arranges a LCD display circuit, is connected with microprocessor two-way communication; Described tester also arranges a keyboard, is connected with microprocessor two-way communication.
In the utility model, microprocessor described in the utility model is made up of STM32F407 chip.Complete the test of connection terminal, the whether short open circuit of main measurement terminal.As shown in Figure 1, microprocessor is provided with SPI interface, GPIO interface, UART interface, ADC interface and 32 input I/O interface; SPI interface is connected with LCD display circuit, and UART is connected with keyboard, and ADC interface is connected with RMS-DC converter circuit output end, and GPIO and 32 selects 1 MUX module input to be connected; GPIO is connected with the input end of alternating message source and DC signal source.
As preferred embodiment of the present utility model, alternating message source described in the utility model is made up of DDS chip AD9833 and amplifier OP37 and multiplier ADC chip AD5453, can produce peak-to-peak value is that 0 ~ 5V stepping (10mV) is adjustable, and frequency is the adjustable sine wave AC signal of 0 ~ 1MHz (stepping 1Hz).Described DC signal source is made up of DAC chip AD8512 and amplifier OP07, produces the direct current signal that 0 ~ 5V stepping (10mV) is adjustable.
As preferred embodiment of the present utility model, two-way selector switch described in the utility model is single pole double throw analog switch, is made up of chip ADG1234.
As shown in Figure 2, two-way selector switch is real is single pole double throw analog switch to two-way selector structure schematic diagram described in the utility model, is made up of chip ADG1234.As shown in the figure, S is control signal pin to structured flowchart, and A/B/C is signal input and output pin.Under the control of S, C and A or B is connected, and when namely S is high level, C and A is connected, and when S is low level, C and B is connected.As shown in Figure 1, the two-way selector switch of signal source realizes the output selection of AC signal and direct current signal, for test output interface provides interchange or DC signal output.32 road two-way selector switchs of test output interface, flow to for the signal controlling to test output interface, may be modulated as and export and input.One road output terminal is to the test output interface of tester, and two tunnels select input end to connect two-way selector switch and the test input loop of signal source respectively, and there is a point two-way in test input loop, and wherein a road is to 32 input I/O ports of primary controller, is responsible for reading in of direct current signal.The selection module of 1 is selected to one 32 in another road, then arrives adjustable gain amplification module, then to RMS-DC converter circuit, the ADC finally sending into primary controller completes the reading of simulating signal.
The utility model mainly detects bonder terminal and whether there is short circuit or few point (few pin or the few PIN of title).Test philosophy: short-circuit test mainly passes through to connector or certain pin high level signal of terminal, then the level state of other pins is detected, if any one pin occurring other is high level, then represent, this pin and test pin short circuit.The test of few point exports mainly to the AC signal of all pins fixed frequency except certain test pin, then give ADC the input signal of certain test pin through amplification to change, all pins are tested, if there is certain, or the value of certain several pin all then represents much smaller than the value of other pin, the few point of certain pin.
Carry out clear, complete description by the technical scheme in above embodiment to the utility model, obviously described embodiment is the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Claims (9)
1. a bonder terminal tester, comprises microprocessor and test output terminal mouth, it is characterized in that:
Also comprise two-way selector switch, MUX module, adjustable gain amplification module, RMS-DC converter circuit, alternating message source and DC signal source;
Test output terminal mouth is connected with the two-way communication of two-way selector switch, two-way selector switch is divided into two groups, be connected with the input end of microprocessor and MUX module respectively, MUX module connects the input end of adjustable gain amplification module and RMS-DC converter circuit successively, the output terminal of RMS-DC converter circuit connects the input end of microprocessor, and the input end of MUX module connects the output terminal of microprocessor;
The output terminal of microprocessor connects the input end of alternating message source and DC signal source respectively, and alternating message source is connected the input end of two-way selector switch respectively with the output terminal of DC signal source, is connected with connecting test output port by two-way selector switch.
2. bonder terminal tester according to claim 1, is characterized in that: described test output terminal mouth is 32 drive test examination output interfaces; MUX module is 32 select 1 MUX module.
3. bonder terminal tester according to claim 2, it is characterized in that: described 32 select 1 MUX module, be made up of 5 CD4051, adjustable gain amplification module is made up of amplifier OP37 and multiplier ADC chip AD5453, and RMS-DC converter circuit is made up of AD630.
4. bonder terminal tester according to claim 3, is characterized in that: described microprocessor is provided with 32 tunnel input I/O ports, and microprocessor is connected with two-way selector output end by 32 tunnel input I/O ports.
5. bonder terminal tester according to claim 1, is characterized in that: described tester also arranges a LCD display circuit, is connected with microprocessor two-way communication.
6. bonder terminal tester according to claim 1, is characterized in that: described tester also arranges a keyboard, is connected with microprocessor two-way communication.
7. the bonder terminal tester according to any one of claim 1-6, is characterized in that: described microprocessor is made up of STM32F407 chip.
8. bonder terminal tester according to claim 7, it is characterized in that: described alternating message source is made up of DDS chip AD9833 and amplifier OP37 and multiplier ADC chip AD5453, and described DC signal source is made up of DAC chip AD8512 and amplifier OP07.
9. bonder terminal tester according to claim 8, is characterized in that: described two-way selector switch is single pole double throw analog switch, is made up of chip ADG1234.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904783.6U CN205229373U (en) | 2015-11-12 | 2015-11-12 | Connector terminal tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904783.6U CN205229373U (en) | 2015-11-12 | 2015-11-12 | Connector terminal tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205229373U true CN205229373U (en) | 2016-05-11 |
Family
ID=55904430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520904783.6U Expired - Fee Related CN205229373U (en) | 2015-11-12 | 2015-11-12 | Connector terminal tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205229373U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108973A (en) * | 2019-05-07 | 2019-08-09 | 武汉辉天同康科技有限公司 | A kind of bonder terminal test macro |
| CN111239526A (en) * | 2020-02-28 | 2020-06-05 | 山东中科先进技术研究院有限公司 | Aircraft communication controller testing arrangement |
| CN115015590A (en) * | 2022-05-27 | 2022-09-06 | 苏州浪潮智能科技有限公司 | High-density connector detection jig and detection method |
| CN117630745A (en) * | 2023-10-20 | 2024-03-01 | 苏州冠礼科技有限公司 | Detection system of general terminal strip |
-
2015
- 2015-11-12 CN CN201520904783.6U patent/CN205229373U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108973A (en) * | 2019-05-07 | 2019-08-09 | 武汉辉天同康科技有限公司 | A kind of bonder terminal test macro |
| CN111239526A (en) * | 2020-02-28 | 2020-06-05 | 山东中科先进技术研究院有限公司 | Aircraft communication controller testing arrangement |
| CN115015590A (en) * | 2022-05-27 | 2022-09-06 | 苏州浪潮智能科技有限公司 | High-density connector detection jig and detection method |
| CN115015590B (en) * | 2022-05-27 | 2024-01-19 | 苏州浪潮智能科技有限公司 | High-density connector detection jig and detection method |
| CN117630745A (en) * | 2023-10-20 | 2024-03-01 | 苏州冠礼科技有限公司 | Detection system of general terminal strip |
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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 |
Granted publication date: 20160511 Termination date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |