CN206249156U - A kind of computer mistaken collision preventing switch - Google Patents
A kind of computer mistaken collision preventing switch Download PDFInfo
- Publication number
- CN206249156U CN206249156U CN201621214551.9U CN201621214551U CN206249156U CN 206249156 U CN206249156 U CN 206249156U CN 201621214551 U CN201621214551 U CN 201621214551U CN 206249156 U CN206249156 U CN 206249156U
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- China
- Prior art keywords
- module
- collision preventing
- resistance
- mistaken collision
- computer
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Abstract
The utility model is switched there is provided a kind of computer mistaken collision preventing, including button switch, the button switch output end is provided with a mistaken collision preventing module, the mistaken collision preventing module is by mistaken collision preventing detection module, electronic control module and actuator are constituted, the mistaken collision preventing detection module is by division module, conduction module, charging module and voltage control module are constituted, the division module is by first resistor, second resistance and 3rd resistor are followed in series to form, the conduction module is made up of the 4th resistance and the first triode, the charging module is made up of a charging capacitor, the voltage control module is made up of the 5th resistance and metal-oxide-semiconductor, the electronic control module includes a single-chip microcomputer, the Single-chip Controlling connects the actuator, include a magnetic valve in the actuator.The utility model can avoid computer from being opened in the case of touch by mistake, with good safe miscellaneous function by optimization design.
Description
Technical field
The utility model is related to field of computer technology, more particularly to a kind of computer mistaken collision preventing switch.
Background technology
With continuing to develop for science and technology, computer is obtained in each scientific domain and is increasingly widely applied.
Establish machine on computer by cable for convenience, common computer booting button is usually contact and directly initiates pattern.This design
Make to establish machine by cable on computer become simple while, also bring the component caused because touching computer booting button by mistake and damage
Consumption problem.
Utility model content
The purpose of this utility model is to solve above-mentioned deficiency, there is provided a kind of computer mistaken collision preventing switch, can detect meter
Whether calculation machine button switch is in is touched state by mistake, it is to avoid is caused computer starting to be opened because touching by mistake, is improve auxiliary performance.
The technical problem that the utility model is solved can be realized using following technical scheme：
A kind of computer mistaken collision preventing switch, including button switch, the button switch output end are provided with a mistaken collision preventing module,
The mistaken collision preventing module is made up of mistaken collision preventing detection module, electronic control module and actuator, the mistaken collision preventing detection module by
Division module, conduction module, charging module and voltage control module are constituted, and the division module is by first resistor, second resistance
And 3rd resistor is followed in series to form, the first resistor to be connected with second resistance and connect the button switch output end between end,
The conduction module is made up of the 4th resistance and the first triode, and the charging module is made up of a charging capacitor, the voltage
Control module is made up of the 5th resistance and metal-oxide-semiconductor, and the voltage control module output end connects the electronic control module, described
Electronic control module includes a single-chip microcomputer, and the mistaken collision preventing detection module output end connects the INT0 pins of the single-chip microcomputer, institute
Stating Single-chip Controlling and connecting includes a magnetic valve in the actuator, the actuator, magnetic valve one end ground connection, the other end
It is connected with the colelctor electrode in the second triode, second transistor emitter connects button switch, the second triode base
Pole is connected with the A8 output pins in single-chip microcomputer.
Also include a filter capacitor, the filter capacitor is in parallel with second resistance, and described filter capacitor one end is pressed with described
Button switch output end is connected, the filter capacitor other end ground connection.
Also include a feedback resistance, the feedback resistance is connected between second resistance and the 5th resistance.
It is also connected with being provided with a reset circuit and crystal oscillating circuit on the single-chip microcomputer, the single-chip microcomputer uses AT89C52.
The utility model has following outstanding advantages and effect compared with prior art：The utility model is set by optimization
Meter, can avoid computer from being opened in the case of touch by mistake, with good safe miscellaneous function.
The characteristics of the utility model, see the detailed description of this case schema and following preferable implementation method and obtain clear
Ground understands.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is mistaken collision preventing detection module circuit diagram of the present utility model；
Fig. 3 is connected circuit diagram for electronic control module of the present utility model with actuator.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Figure 1 to Figure 3, the utility model is switched there is provided a kind of computer mistaken collision preventing, including button switch 2, is pressed
The output end of button switch 2 is provided with a mistaken collision preventing module 1, mistaken collision preventing module 1 by mistaken collision preventing detection module 11, electronic control module 12 and
Actuator 13 is constituted, and mistaken collision preventing detection module 11 is made up of division module, conduction module, charging module and voltage control module,
Division module is followed in series to form by first resistor R1, second resistance R2 and 3rd resistor R3, and first resistor R1 one end is accessed
3.3V fixed voltages, first resistor R1 connects with second resistance R2 and the output end of button switch 2 is connected between end, can be used for 3.3V
Fixed voltage and the signal exported by button switch 2 carry out voltage division processing, also including a filter capacitor C1, filter capacitor C1 with
Second resistance R2 is in parallel, and filter capacitor C1 one end is connected with the output end of button switch 2, filter capacitor C1 other ends ground connection, is used for
The noise of the output signal of button switch 2 is filtered, is conducive to the input signal of the reception good of mistaken collision preventing detection module 11, conduction module
It is made up of the 4th resistance R4 and the first triode Q1, the first triode Q1 uses the triode of NPN type first, model
PMBS3904, the first triode Q1 are conducting under non-triggering state, and the first triode Q1 colelctor electrodes connect the 4th resistance R4,
First triode Q1 grounded emitters, the first triode Q1 base stages connection second resistance R2 and 3rd resistor R3 series connection end, are used for
According to button switch 2 export signal, by be input into receive after complete to its signal determine whether filled to charging module
Electricity, charging module is made up of a charging capacitor C2, and charging capacitor C2 one end connects the first triode Q1 colelctor electrodes, another termination
Ground, for completing to charge, voltage control module is made up of the 5th resistance R5 and metal-oxide-semiconductor Q2, and the 5th resistance R5 one end is consolidated with 3.3V
Determine voltage connection, the other end is connected with the drain electrode of metal-oxide-semiconductor Q2, and the grid of metal-oxide-semiconductor Q2 is connected with the colelctor electrode of the first triode,
The source ground of metal-oxide-semiconductor Q2, the model of metal-oxide-semiconductor Q2 uses the grid of H2N7002, metal-oxide-semiconductor Q2 to be also connected with charging capacitor C2, electricity
Pressure control module is used for when charging module charges, and the convenient output signal to mistaken collision preventing detection module 11 is controlled, and also wraps
A feedback resistance R6 is included, feedback resistance R6 is connected between second resistance R2 and the 5th resistance R5, when the output signal of button switch 2
Good, the loop formed by the 5th resistance R5, feedback resistance R6 and second resistance R2 can delay curent change, voltage control module
Output end connects electronic control module 12, and electronic control module 12 is used to receive the signal of the output of mistaken collision preventing detection module 11, and
Hair is touched by mistake according to what the signal of output completed to judge whether to occur button switch 2, and electronic control module 12 includes a single-chip microcomputer, anti-
The INT0 pins that the output end of detection module 11 connects single-chip microcomputer, Single-chip Controlling connection actuator 13, bag in actuator 13 are touched by mistake
A magnetic valve is included, magnetic valve one end ground connection, the other end is connected with the colelctor electrode in the second triode Q3, the second triode Q3 transmittings
Pole connects button switch 2, and the second triode Q3 base stages are connected with the A8 output pins in single-chip microcomputer, are also connected with being provided with single-chip microcomputer
One reset circuit and crystal oscillating circuit, single-chip microcomputer use AT89C52.
According to said structure, operation principle of the present utility model is：When button switch 2 starts, mistaken collision preventing detection module
11 complete power supply, and electronic control module 12 resets, and when normal startup, mistaken collision preventing detection module 11 is normal by button switch 2
Start, more stable input voltage signal is kept such that it is able to receive, while the retention time is relatively long, so that the one or three
Pole pipe Q1 is cut off, and charging capacitor C2 completes to charge, and can meet the power supply of metal-oxide-semiconductor Q2 grids, so that conducting is completed, output letter
Number be low level, electronic control module 12 complete signal receive after, electronic control module 12 control the second triode Q3 conducting, electricity
Magnet valve coil completes to be powered, and the magnetic valve closing of contact completes the normal startup of computer；When button switch 2 occurs touching hair by mistake
When, the triggered time is shorter, even if now the first triode Q1 is turned in certain section of event and charging capacitor C1 completes to charge, but
Its charging interval section, voltage needed for metal-oxide-semiconductor Q2 inner grids does not reach setting value, so as to cause the first triode Q1 to turn on again,
Now access electronic control module 12 is high level, so that single-chip microcomputer can complete interpretation according to the signal for receiving, and is controlled
Second triode Q3 is in cut-off state, so that magnetic valve cannot be powered, magnetic valve contact disconnects, so as to cut off opening for computer
It is dynamic, can avoid because touching the startup caused to computer by mistake.
The utility model can avoid computer from being opened in the case of touch by mistake, with good safety by optimization design
Miscellaneous function.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model, the utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (4)
1. a kind of computer mistaken collision preventing switch, including button switch, it is characterised in that：The button switch output end is provided with one and prevents
Module is touched by mistake, the mistaken collision preventing module is made up of mistaken collision preventing detection module, electronic control module and actuator, the mistaken collision preventing inspection
Survey module be made up of division module, conduction module, charging module and voltage control module, the division module by first resistor,
Second resistance and 3rd resistor are followed in series to form, and the first resistor to be connected with second resistance and connect the button switch between end
Output end, the conduction module is made up of the 4th resistance and the first triode, and the charging module is made up of a charging capacitor, institute
State voltage control module to be made up of the 5th resistance and metal-oxide-semiconductor, the voltage control module output end connects the Electronic Control mould
Block, the electronic control module includes a single-chip microcomputer, and the mistaken collision preventing detection module output end connects the INT0 of the single-chip microcomputer
Pin, the Single-chip Controlling is connected includes a magnetic valve in the actuator, the actuator, the magnetic valve one is terminated
Ground, the other end is connected with the colelctor electrode in the second triode, and second transistor emitter connects button switch, described second
Transistor base is connected with the A8 output pins in single-chip microcomputer.
2. a kind of computer mistaken collision preventing according to claim 1 is switched, it is characterised in that：Also include a filter capacitor, institute
State filter capacitor in parallel with second resistance, described filter capacitor one end is connected with the button switch output end, the filtered electrical
Hold other end ground connection.
3. a kind of computer mistaken collision preventing according to claim 2 is switched, it is characterised in that：Also include a feedback resistance, institute
Feedback resistance is stated to be connected between second resistance and the 5th resistance.
4. a kind of computer mistaken collision preventing according to claim 1 is switched, it is characterised in that：It is also connected with setting on the single-chip microcomputer
There are a reset circuit and crystal oscillating circuit, the single-chip microcomputer uses AT89C52.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214551.9U CN206249156U (en) | 2016-11-11 | 2016-11-11 | A kind of computer mistaken collision preventing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214551.9U CN206249156U (en) | 2016-11-11 | 2016-11-11 | A kind of computer mistaken collision preventing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249156U true CN206249156U (en) | 2017-06-13 |
Family
ID=58999381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621214551.9U Expired - Fee Related CN206249156U (en) | 2016-11-11 | 2016-11-11 | A kind of computer mistaken collision preventing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672802A (en) * | 2017-10-16 | 2019-04-23 | 夏普株式会社 | The anti-locking apparatus of switch operation error detection and switch operation error detection prevention method |
-
2016
- 2016-11-11 CN CN201621214551.9U patent/CN206249156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672802A (en) * | 2017-10-16 | 2019-04-23 | 夏普株式会社 | The anti-locking apparatus of switch operation error detection and switch operation error detection prevention method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20191111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |