CN104808103A - Integrated device for automatically simulating test of keyboard - Google Patents
Integrated device for automatically simulating test of keyboard Download PDFInfo
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- CN104808103A CN104808103A CN201510263727.3A CN201510263727A CN104808103A CN 104808103 A CN104808103 A CN 104808103A CN 201510263727 A CN201510263727 A CN 201510263727A CN 104808103 A CN104808103 A CN 104808103A
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Abstract
The invention discloses an integrated for automatically simulating a test of a keyboard. The integrated device for automatically simulating the test of the keyboard comprises an external crystal oscillation circuit, an electrification reset circuit, a single chip microcomputer, a 16-way control switch, one pair of 8-way control switches and a simulation test keyboard, wherein the external crystal oscillation circuit and the electrification reset circuit are connected with the single chip microcomputer; a trigger switch is arranged on one side of single chip microcomputer; further, the single chip microcomputer is connected with the 16-way control switch and the pair of 8-way control switches through I/O (input/output) interfaces respectively; the simulation test keyboard is connected with the trigger switch; meanwhile, gating ends of the 16-way control switch and the pair of 8-way control switches are connected to the corresponding two ends of the simulation test keyboard respectively. In the integrated device for automatically simulating the test of the keyboard, the simulation test keyboard is automatically controlled through the single chip microcomputer, so as to realize the test of a 16-way or 8-way circuit; compared with a manual key, the integrated device for automatically simulating the test of the keyboard is not only accurate and stably, the labor intensity of a worker is effectively decreased, but also the work efficiency is higher; meanwhile, test errors are reduced; the quality of the keyboard is improved.
Description
Technical field
The present invention relates to keyboard feature technical field of measurement and test, particularly relate to a kind of integrating device of automatic imitation keyboard test.
Background technology
Keyboard pcb board generally involves SMT paster in process of production, IC pin connection is bound and the plug-in unit welding technology etc. of plug-in element, because technique needed for it is numerous, and meticulous to the requirement of technique, therefore wherein arbitrary link goes wrong, and all will affect the quality of keyboard; And in process of production, if tested some or all of in keyboard pcb board not in time, very large loss will be caused.But traditional test technique is: manually key testing circuit, and manual key quantity is many, and speed is slow, has a strong impact on production efficiency.
Summary of the invention
Technical matters solved by the invention is the integrating device providing a kind of automatic imitation keyboard test, to solve the shortcoming in above-mentioned background technology.
Technical matters solved by the invention realizes by the following technical solutions:
An integrating device for automatic imitation keyboard test, comprises external crystal oscillating circuit, electrify restoration circuit, single-chip microcomputer, 16 way control switch, a pair 8 way control switch and simulation test keyboard; Wherein, external crystal oscillating circuit and electrify restoration circuit access single-chip microcomputer, and single-chip microcomputer side is provided with trigger switch, and single-chip microcomputer is connected with 16 way control switch, a pair 8 way control switch respectively by I/O interface, simulation test keyboard is connected with trigger switch, and the gating end of 16 way control switch and a pair 8 way control switch is connected to corresponding simulation test keyboard two ends respectively simultaneously.
In the present invention, external crystal oscillating circuit comprises crystal oscillator, resonant capacitance and resonant capacitance, and electrify restoration circuit comprises electric capacity and outer meeting resistance, wherein, crystal oscillator is connected with resonant capacitance, resonant capacitance, and electric capacity, resonant capacitance and resonant capacitance are connected with outer meeting resistance respectively.
In the present invention, trigger switch is connected with acceleration switch and speed reducing switch, for adjusting the speed of automatic keying.
In the present invention, simulation test keyboard is provided with LED, when the gating end of 16 way control switch and a pair 8 way control switch is connected to corresponding simulation test keyboard two ends, press trigger switch, the LED that simulation test keyboard is arranged can be lighted successively, and single-chip microcomputer LED when control 16 way control switch and a pair 8 way control switch is extinguished, after control, LED lights.
In the present invention, trigger switch is that low level triggers, and its low level triggers port holds with the GND of keyboard pcb board to be tested and be connected, and can realize automatic triggering when detecting keyboard pcb board low level to be tested.
In the present invention, electrify restoration circuit also comprises hand switch, balance resistance, and hand switch is connected rear and Capacitance parallel connection with balance resistance.
In the present invention, the test function button that simulation test keyboard is arranged is matrix structure, first the test function button of simulation test keyboard is corresponding in turn to the circuit to be tested on keyboard pcb board to be tested before test according to matrix structure, then connect the two ends of simulation test keyboard, press hand switch and short circuit, for realizing manual key function; Again gauge tap any one of simulation test keyboard and 16 way control switch and a pair 8 way control switch is connected or all connected, automatic keying function can be realized, cross gauge tap analogue-key switch compared with manual button, not only precise and stable, and work efficiency is higher.
Beneficial effect: by Automatic control of single chip microcomputer simulation test keyboard in the present invention, to realize the test on 16 roads or 8 route roads, compared with manual button, not only precise and stable, effectively reduce hand labor intensity, and work efficiency is higher; Decrease test error simultaneously, improve the quality of keyboard.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of preferred embodiment of the present invention.
Fig. 2 is the simulation test keyboard homography figure in preferred embodiment of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See the integrating device of a kind of automatic imitation keyboard test of Fig. 1, comprise external crystal oscillating circuit, electrify restoration circuit, single-chip microcomputer U1,16 way control switch U2,8 way control switch U3,8 way control switch U4, trigger switch S, acceleration switch S++, speed reducing switch S--and simulation test keyboard KEY1 ~ KEY18; Wherein, external crystal oscillating circuit and electrify restoration circuit access single-chip microcomputer U1, and trigger switch S is arranged on single-chip microcomputer U1 side, and on trigger switch S, be connected with acceleration switch S++ and speed reducing switch S--, for adjusting the speed of automatic keying; And single-chip microcomputer U1 controls the gating of 8 way control switch U3,8 way control switch U4 by I/O interface P1, I/O interface P2 controls the gating of 16 way control switch U2, simulation test keyboard KEY1 ~ KEY18 is connected with trigger switch S, and the gating end of 16 way control switch U2,8 way control switch U3 and 8 way control switch U4 is connected to corresponding simulation test keyboard KEY1 ~ KEY18 two ends simultaneously; In addition, external crystal oscillating circuit comprises crystal oscillator XI, resonant capacitance C2 and resonant capacitance C3, electrify restoration circuit comprises electric capacity C1 and outer meeting resistance R91, and crystal oscillator XI is connected with resonant capacitance C2, resonant capacitance C3, and electric capacity C1, resonant capacitance C2 and resonant capacitance C3 are connected with outer meeting resistance R91 respectively.
In the present embodiment, simulation test keyboard KEY1 ~ KEY18 is provided with LED, when the gating end of 16 way control switch U2,8 way control switch U3 and 8 way control switch U4 is connected to corresponding simulation test keyboard KEY1 ~ KEY18 two ends, press trigger switch S, the LED of the upper setting of simulation test keyboard KEY1 ~ KEY18 can be lighted successively, and single-chip microcomputer U1 LED when control 16 way control switch U2,8 way control switch U3 and 8 way control switch U4 is extinguished, after control, LED lights.
In the present embodiment, trigger switch S is that low level triggers, and low level is triggered port and hold with the GND of keyboard pcb board to be tested and be connected, and can realize automatic triggering when detecting keyboard pcb board low level to be tested.
In the present embodiment, electrify restoration circuit also comprises hand switch K1, balance resistance R1, and manually K switch 1 is in parallel with electric capacity C1 after being connected with balance resistance R1.
In the present embodiment, single-chip microcomputer U1 model is STC89c52RC.
Simulation test keyboard KEY1 ~ KEY18 homography figure shown in Figure 2, R0 ~ R7 is corresponding in turn to 8 circuit P20 ~ P27 on keyboard pcb board to be tested, and C0 ~ C17 is corresponding in turn to other 18 circuits on keyboard pcb board to be tested, and by R0, C0 is connected to the two ends of simulation test keyboard KEY1, presses hand switch K1 and short circuit RO, CO, can realize manual key " PAUSE " function, by R0, C0 is by being connected to 16 way control switch U2 shown in accompanying drawing 1, 8 way control switch U3, namely realize automatic keying function by simulation test keyboard KEY1, and " PAUSE " in simulation test keyboard KEY1 matrix, " TAB ", " S ", " F4 ", " v ", " n ", "=", " 9 ", “ – ", " ALTR-R ", " ENTER ", , " SPACE ", " 2 ", " 6 ", "+", " Shift-L ", " win-L ", " win-R ", be corresponding in turn to the KEY1 ~ KEY18 on keyboard pcb board to be tested, KEY1 ~ KEY18 is accessed in pin corresponding to connected gauge tap CD4051BE and CD4067BE simultaneously, both can realize the electronic simulation automatic keying function treating test keyboard pcb board, thus complete the test treating test keyboard pcb board.18 keyswitches are simulated compared with manual button by gauge tap IC, not only precise and stable, and work efficiency is higher.
In the present embodiment, single-chip microcomputer U1 control program adopts C language establishment, and its control program code is as follows:
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. an integrating device for automatic imitation keyboard test, comprises external crystal oscillating circuit, electrify restoration circuit, single-chip microcomputer, 16 way control switch, a pair 8 way control switch and simulation test keyboard; It is characterized in that, external crystal oscillating circuit and electrify restoration circuit access single-chip microcomputer, and single-chip microcomputer side is provided with trigger switch, and single-chip microcomputer is connected with 16 way control switch, a pair 8 way control switch respectively by I/O interface, simulation test keyboard is connected with trigger switch, and the gating end of 16 way control switch and a pair 8 way control switch is connected to corresponding simulation test keyboard two ends respectively simultaneously.
2. the integrating device of a kind of automatic imitation keyboard test according to claim 1, it is characterized in that, external crystal oscillating circuit comprises crystal oscillator, resonant capacitance and resonant capacitance, electrify restoration circuit comprises electric capacity and outer meeting resistance, wherein, crystal oscillator is connected with resonant capacitance, resonant capacitance, and electric capacity, resonant capacitance and resonant capacitance are connected with outer meeting resistance respectively.
3. the integrating device of a kind of automatic imitation keyboard test according to claim 2, it is characterized in that, electrify restoration circuit also comprises hand switch, balance resistance, and hand switch is connected rear and Capacitance parallel connection with balance resistance.
4. the integrating device of a kind of automatic imitation keyboard test according to claim 1, is characterized in that, trigger switch is connected with acceleration switch and speed reducing switch.
5. the integrating device of a kind of automatic imitation keyboard test according to claim 1, is characterized in that, simulation test keyboard is provided with LED.
6. the integrating device of a kind of automatic imitation keyboard test according to claim 1, is characterized in that, trigger switch is that low level triggers, and its low level triggers port holds with the GND of keyboard pcb board to be tested and be connected.
7. the integrating device of a kind of automatic imitation keyboard test according to any one of claim 1 ~ 6, it is characterized in that, the test function button that simulation test keyboard is arranged is matrix structure, first the test function button of simulation test keyboard is corresponding in turn to the circuit to be tested on keyboard pcb board to be tested before test according to matrix structure, then connect the two ends of simulation test keyboard, press hand switch and short circuit, for realizing manual key function; Again gauge tap any one of simulation test keyboard and 16 way control switch and a pair 8 way control switch is connected or all connected, automatic keying function can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263727.3A CN104808103A (en) | 2015-05-22 | 2015-05-22 | Integrated device for automatically simulating test of keyboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510263727.3A CN104808103A (en) | 2015-05-22 | 2015-05-22 | Integrated device for automatically simulating test of keyboard |
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| CN104808103A true CN104808103A (en) | 2015-07-29 |
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| CN201510263727.3A Pending CN104808103A (en) | 2015-05-22 | 2015-05-22 | Integrated device for automatically simulating test of keyboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572507A (en) * | 2016-01-12 | 2016-05-11 | 中国信息安全测评中心 | Automation test circuit and method for key-type equipment |
| CN115629927A (en) * | 2022-12-20 | 2023-01-20 | 深圳雷柏科技股份有限公司 | Automatic detection device and detection method for keyboard and mouse PCBA |
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| CN203786262U (en) * | 2014-04-14 | 2014-08-20 | 合肥宝龙达信息技术有限公司 | Mainboard keyboard interface test circuit and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05281279A (en) * | 1992-03-31 | 1993-10-29 | Sony Corp | Board inspection device |
| CN2888534Y (en) * | 2006-04-19 | 2007-04-11 | 深圳安博电子有限公司 | A keyboard tester |
| CN200962216Y (en) * | 2006-09-01 | 2007-10-17 | 陈小梅 | Intelligent keyboard simulator |
| CN101471977A (en) * | 2007-12-25 | 2009-07-01 | 上海晨兴电子科技有限公司 | Keyboard test system and test method for intelligent mobile phone |
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| CN203365629U (en) * | 2013-05-27 | 2013-12-25 | 上海与德通讯技术有限公司 | Automatic test device for performance of keyboard circuit of mobile phone main board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105572507A (en) * | 2016-01-12 | 2016-05-11 | 中国信息安全测评中心 | Automation test circuit and method for key-type equipment |
| CN115629927A (en) * | 2022-12-20 | 2023-01-20 | 深圳雷柏科技股份有限公司 | Automatic detection device and detection method for keyboard and mouse PCBA |
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Application publication date: 20150729 |