CN203981842U - Robotization brake switch tester - Google Patents
Robotization brake switch tester Download PDFInfo
- Publication number
- CN203981842U CN203981842U CN201420369938.6U CN201420369938U CN203981842U CN 203981842 U CN203981842 U CN 203981842U CN 201420369938 U CN201420369938 U CN 201420369938U CN 203981842 U CN203981842 U CN 203981842U
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- logic gates
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- shutting down
- delay circuit
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Abstract
A kind of robotization brake switch tester, is characterized in that, this tester comprises a USB interface, switch interface, electronic package and a load power source, and wherein electronic package comprises shutdown decision circuitry, switching on and shutting down delay circuit module and logic gates; This load power source provides electric energy for switching on and shutting down delay circuit module, this switching on and shutting down delay circuit module output low and high level is to the first input end of logic gates, and the second input end of this logic gates is connected to the output terminal of shutdown decision circuitry, and the output terminal of this logic gates is directly connected to the switch interface of equipment to be tested.The utility model adopts USB interface and decision circuitry to carry out settling signal test, does not need practical single-chip microcomputer, directly use USB interface just can complete test, and test result is intuitively effective.
Description
[technical field]
The utility model relates to electronic product test accessory, relates in particular to computer switch automatic test instrument.
[background technology]
Along with developing rapidly of personal computer (Personal Computer) industry, research and development part is all devoted to the quality of research and test products itself, and ensures its usability.
For the checking to main-board on-off in PC test, adopt specific switching on and shutting down testing apparatus, general employing manual operation in existing test process, software is assisted and is used single-chip microcomputer to coordinate and tests.Not only consuming time but also waste of manpower of manual operation; And using single-chip microcomputer subtest, test PC must have the special interface of single-chip microcomputer, this interface microcontroller function singleness, only can serve as access single-chip microcomputer used, specially for test configures the waste that an interface microcontroller can cause equipment and resource; And use single-chip microcomputer also simply indirect labor complete test assignment, can not reach actual demand, the result of having tested net result and directly adopted, use the most, still needs further analysis just can obtain results needed; Software subtest needs PC self and software jointly to realize, and test result needs artificial many-sided filtration to get rid of, and the impact of third party's factor is too many.
[summary of the invention]
The utility model has proposed not need artificial participation for above problem, the switching on and shutting down testing tool that also depended software is not tested.
The robotization brake switch tester that relates to described in the utility model, this tester comprises a USB interface, switch interface, electronic package and a load power source, wherein electronic package comprises shutdown decision circuitry, switching on and shutting down delay circuit module and logic gates; This load power source provides electric energy for switching on and shutting down delay circuit module, this switching on and shutting down delay circuit module output low and high level is to the first input end of logic gates, and the second input end of this logic gates is connected to the output terminal of shutdown decision circuitry, and the output terminal of this logic gates is directly connected to the switch interface of equipment to be tested.
This first input end is actually the positive pole of logic gates, and the second input end refers to the negative pole of logic gates.
Wherein this switching on and shutting down delay circuit module comprises that 555 timer IC and resistance/capacitance (RC) trigger charge-discharge circuit, this switching on and shutting down delay circuit module output low and high level is to the first input end (positive pole) of logic gates, second input end (negative pole) of this logic gates connects the output terminal of shutdown decision circuitry module, and this logic gates output terminal be directly connected to the switch control of equipment to be tested.
Shutdown decision circuitry comprises computing comparer and reference voltage, and wherein computing comparer positive terminal is connected to the 5V voltage end points of equipment to be tested, and negative pole end connects the reference voltage in this circuit.
Logic gates comprises an AND circuit, the first input end of this AND circuit is connected to the level output end of switching on and shutting down delay circuit module, and the second input end is connected to the output terminal of shutdown decision circuitry, level signal is converted into the switch interface of output of pulse signal to equipment to be tested by the output terminal of this logic gates.
The utility model adopts USB interface and decision circuitry to carry out settling signal test, does not need practical single-chip microcomputer, directly use USB interface just can complete test, and test result is intuitively effective.
[brief description of the drawings]
Fig. 1 is the structured flowchart of the utility model automatic switch tester;
Fig. 2 is the circuit theory diagrams of the switching on and shutting down delay circuit module of the utility model automatic switch tester;
Fig. 3 is the circuit theory diagrams of the shutdown decision circuitry of the utility model automatic switch tester.
[embodiment]
Below in conjunction with drawings and Examples, the utility model robotization brake switch tester is elaborated.
Please refer to accompanying drawing 1, wherein show robotization brake switch tester, this tester comprises a USB interface, switch interface, electronic package and a load power source, and wherein electronic package comprises shutdown decision circuitry, switching on and shutting down delay circuit module and logic gates; This load power source provides electric energy for switching on and shutting down delay circuit module, this switching on and shutting down delay circuit module output low and high level is to the first input end of logic gates, and the second input end of this logic gates is connected to the output terminal of shutdown decision circuitry, and the output terminal of this logic gates is directly connected to the switch interface of equipment to be tested.
This first input end is actually the positive pole of logic gates, and the second input end refers to the negative pole of logic gates.
Please refer to accompanying drawing 2, wherein show this switching on and shutting down delay circuit module and comprise that 555 timer IC and resistance/capacitance (RC) trigger charge-discharge circuit, this switching on and shutting down delay circuit module output low and high level is to the first input end (positive pole) of logic gates, second input end (negative pole) of this logic gates connects the output terminal of shutdown decision circuitry module, and this logic gates output terminal be directly connected to the switch control of equipment to be tested.
Please refer to accompanying drawing 3, wherein show shutdown decision circuitry and comprise computing comparer and reference voltage, wherein computing comparer positive terminal is connected to the 5V voltage end points of equipment to be tested, and negative pole end connects the reference voltage in this circuit.
Logic gates comprises an AND circuit, the first input end of this AND circuit is connected to the level output end of switching on and shutting down delay circuit module, and the second input end is connected to the output terminal of shutdown decision circuitry, level signal is converted into the switch interface of output of pulse signal to equipment to be tested by the output terminal of this logic gates.
The above, it is only the utility model preferred embodiment, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, refer to any simple modification that above embodiment is done according to the utility model technology, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (5)
1. a robotization brake switch tester, is characterized in that, this tester comprises a USB interface, switch interface, electronic package and a load power source, and wherein electronic package comprises shutdown decision circuitry, switching on and shutting down delay circuit module and logic gates; This load power source provides electric energy for switching on and shutting down delay circuit module, this switching on and shutting down delay circuit module output low and high level is to the first input end of logic gates, and the second input end of this logic gates is connected to the output terminal of shutdown decision circuitry, and the output terminal of this logic gates is directly connected to the switch interface of equipment to be tested.
2. robotization brake switch tester according to claim 1, it is characterized in that, this first input end is the positive pole of logic gates, and the second input end refers to the negative pole of logic gates.
3. robotization brake switch tester according to claim 1, it is characterized in that, wherein this switching on and shutting down delay circuit module comprises that 555 timer IC and resistance/capacitance (RC) trigger charge-discharge circuit, this switching on and shutting down delay circuit module output low and high level is to the first input end (positive pole) of logic gates, second input end (negative pole) of this logic gates connects the output terminal of shutdown decision circuitry module, and this logic gates output terminal be directly connected to the switch control of equipment to be tested.
4. robotization brake switch tester according to claim 1, it is characterized in that, shutdown decision circuitry comprises computing comparer and reference voltage, and wherein computing comparer positive terminal is connected to the 5V voltage end points of equipment to be tested, and negative pole end connects the reference voltage in this circuit.
5. robotization brake switch tester according to claim 2, it is characterized in that, logic gates comprises an AND circuit, the first input end of this AND circuit is connected to the level output end of switching on and shutting down delay circuit, and the second input end is connected to the output terminal of shutdown decision circuitry, level signal is converted into the switch interface of output of pulse signal to equipment to be tested by the output terminal of this logic gates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420369938.6U CN203981842U (en) | 2014-07-04 | 2014-07-04 | Robotization brake switch tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420369938.6U CN203981842U (en) | 2014-07-04 | 2014-07-04 | Robotization brake switch tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981842U true CN203981842U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420369938.6U Active CN203981842U (en) | 2014-07-04 | 2014-07-04 | Robotization brake switch tester |
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| Country | Link |
|---|---|
| CN (1) | CN203981842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061362A (en) * | 2018-07-24 | 2018-12-21 | 许继电源有限公司 | A kind of electric network power-fail detection circuit |
-
2014
- 2014-07-04 CN CN201420369938.6U patent/CN203981842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061362A (en) * | 2018-07-24 | 2018-12-21 | 许继电源有限公司 | A kind of electric network power-fail detection circuit |
| CN109061362B (en) * | 2018-07-24 | 2020-09-25 | 许继电源有限公司 | Power grid power failure detection circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |