CN204945324U - Control series products batch quiescent current test circuit - Google Patents
Control series products batch quiescent current test circuit Download PDFInfo
- Publication number
- CN204945324U CN204945324U CN201520487739.XU CN201520487739U CN204945324U CN 204945324 U CN204945324 U CN 204945324U CN 201520487739 U CN201520487739 U CN 201520487739U CN 204945324 U CN204945324 U CN 204945324U
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- wiring
- quiescent current
- chip microcomputer
- test circuit
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Abstract
The utility model provides and controls series products batch quiescent current test circuit, key testing part is connected with single-chip microcomputer, single-chip microcomputer is connected by control line with relay, carry out keypress function when automatically testing, wiring 1 received by the switch of relay, wiring 1 ground connection, while key testing, power supply VCC is to capacitor charging, the switch that keypress function has tested follow-up electrical equipment automatically receives wiring 2 by Single-chip Controlling, wiring 2 is by measuring resistance ground connection, LM339 connects the resistance of wiring 2 by detecting pin, LM339 connects pilot lamp.The utility model avoids quiescent current to test the wait capacitor charging time that powers on simultaneously, enhances productivity.
Description
Technical field
The utility model relates to telepilot etc. and controls the test of series products batch quiescent current.
Background technology
Function of remote controller keys is tested automatically, and test process is more single, does not have obvious lifting effect for whole production, needs to integrate other test links.Quiescent current test relates to product capacitor charging time, so testing efficiency is lower.
Utility model content
In order to solve problem in prior art, the utility model provides a kind of control series products batch quiescent current test circuit, it comprises key testing part, single-chip microcomputer, relay, power supply VCC, LM339, pilot lamp, key testing part is connected with single-chip microcomputer, single-chip microcomputer is connected by control line with relay, carry out keypress function when automatically testing, wiring 1 received by the switch of relay, wiring 1 ground connection, while key testing, power supply VCC is to capacitor charging, the switch that keypress function has tested follow-up electrical equipment automatically receives wiring 2 by Single-chip Controlling, wiring 2 is by measuring resistance ground connection, LM339 connects the resistance of wiring 2 by detecting pin, LM339 connects pilot lamp.
As further improvement of the utility model, described single-chip microcomputer is AT89C52 single-chip microcomputer.
As further improvement of the utility model, one piece of corresponding four product to be tested of LM339.
As further improvement of the utility model, also comprise the regulating resistance of connecting with pilot lamp.
The beneficial effects of the utility model are:
Through production line test statistics:
Before improvement, 2 people are needed to test button, 1 people's tested static electric current, production 800PCS per hour.
After improvement, two people's tests, production 1200PCS per hour.
Save a people, and improve 50% production capacity.
The utility model uses and tests keypress function by automated process, avoids quiescent current to test the wait capacitor charging time that powers on simultaneously, enhances productivity.
Accompanying drawing explanation
Fig. 1 is the utility model test circuit figure;
Fig. 2 is the utility model test flow chart.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, for the utility model test circuit figure, in circuit, adopt AT89C52 Single-chip Controlling, incorporate keypress function automatically to test and quiescent current test, consider test button time just in time to capacitor charging, so adopt the keypress function first carrying out routine automatically to test, electrical source exchange is had the power supply of measuring resistance to string after automatically having tested by keypress function, then the normal voltage of LM339 to the voltage in measuring resistance and setting is used to compare, pilot lamp is lighted with regard to exporting high level when voltage is greater than normal voltage, LM339 arranges normal voltage by dividing potential drop.
As shown in Figure 1, key testing part is connected with single-chip microcomputer, single-chip microcomputer is connected by control line with relay, and carry out keypress function when automatically testing, wiring 1 received by the switch of relay, wiring 1 ground connection, while key testing, power supply VCC is to capacitor charging, and the switch that keypress function has tested follow-up electrical equipment automatically receives wiring 2 by Single-chip Controlling, and wiring 2 is by measuring resistance ground connection, LM339 connects the resistance of wiring 2 by detecting pin, LM339 connects pilot lamp.。
Consider comparator sensitivity and product rated voltage, it is microampere order that this scheme is used in telepilot quiescent current, and the measuring resistance 10K Ω (can adjust according to test products) of series connection can not affect telepilot real work.Established standards is the normal voltage U=5*10mV=50mV of 5uA, conversion.
What represent in Fig. 1 is monadic product test schematic diagram, can adjust according to product quantity, and one piece of LM339 can corresponding four products.
Integrate two test links, can according to test request to product design parameter amendment test process, the thinking also this can being integrated production procedure is applied to other production links.
As shown in Figure 2, be the utility model test flow chart:
Step 1: install product, waiting for the start instruction,
Step 2: carry out keypress function and automatically test;
Step 3: tested, has the power supply of measuring resistance to string by electrical source exchange;
Step 4: use the normal voltage of LM339 to the voltage in measuring resistance and setting to compare, lights pilot lamp when voltage is greater than normal voltage output high level; When voltage is lower than normal voltage output low level, pilot lamp does not work.
Through production line test statistics:
Before improvement, 2 people are needed to test button, 1 people's tested static electric current, production 800PCS per hour.
After improvement, two people's tests, production 1200PCS per hour.
Save a people, and improve 50% production capacity.
Illustrate: test products is 47uF electric capacity, if electric capacity increases, comparison of production is more obvious.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. one kind controls series products batch quiescent current test circuit, it is characterized in that: it comprises key testing part, single-chip microcomputer, relay, power supply VCC, LM339, pilot lamp, key testing part is connected with single-chip microcomputer, single-chip microcomputer is connected by control line with relay, carry out keypress function when automatically testing, wiring 1 received by the switch of relay, wiring 1 ground connection, while key testing, power supply VCC is to capacitor charging, the switch that keypress function has tested follow-up electrical equipment automatically receives wiring 2 by Single-chip Controlling, wiring 2 is by measuring resistance ground connection, LM339 connects the resistance of wiring 2 by detecting pin, LM339 connects pilot lamp.
2. control series products batch quiescent current test circuit according to claim 1, is characterized in that: described single-chip microcomputer is AT89C52 single-chip microcomputer.
3. control series products batch quiescent current test circuit according to claim 2, is characterized in that: one piece of corresponding four product to be tested of LM339.
4. control series products batch quiescent current test circuit according to claim 1, is characterized in that: also comprise the regulating resistance of connecting with pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520487739.XU CN204945324U (en) | 2015-07-08 | 2015-07-08 | Control series products batch quiescent current test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520487739.XU CN204945324U (en) | 2015-07-08 | 2015-07-08 | Control series products batch quiescent current test circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204945324U true CN204945324U (en) | 2016-01-06 |
Family
ID=55012736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520487739.XU Expired - Fee Related CN204945324U (en) | 2015-07-08 | 2015-07-08 | Control series products batch quiescent current test circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204945324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004989A (en) * | 2015-07-08 | 2015-10-28 | 深圳市创荣发电子有限公司 | Control-type product batch static current test circuit and method |
-
2015
- 2015-07-08 CN CN201520487739.XU patent/CN204945324U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004989A (en) * | 2015-07-08 | 2015-10-28 | 深圳市创荣发电子有限公司 | Control-type product batch static current test circuit and method |
| CN105004989B (en) * | 2015-07-08 | 2018-02-13 | 深圳市创荣发电子有限公司 | Control class product batch quiescent current test circuit and method |
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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: 20160106 Termination date: 20160708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |