CN209526707U - A kind of touch key system based on capacitance plate - Google Patents
A kind of touch key system based on capacitance plate Download PDFInfo
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- CN209526707U CN209526707U CN201821735941.XU CN201821735941U CN209526707U CN 209526707 U CN209526707 U CN 209526707U CN 201821735941 U CN201821735941 U CN 201821735941U CN 209526707 U CN209526707 U CN 209526707U
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Abstract
The utility model provides a kind of touch key system based on capacitance plate, including master control key, secondary key, main control unit, key control module；The master control key, secondary key and key control module are all connected with the main control unit；It further include master control display, secondary display；The master control display and secondary display are all connected with the key control module；The master control key and secondary key are capacitance touch button；The application of capacitance plate touch key-press, and each key effect display in time can be realized using the technical program.
Description
Technical field
The utility model relates to touch key-press field, in particular to a kind of touch key systems based on capacitance plate.
Background technique
In some specific fields of employment, a kind of specific control system is needed.Common button control system is generally only
It is controlled using common key, keystroke sensitivity is poor；And common button control system display button can not be made in time
With effect, key response is not prompt enough intuitive.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of touch based on capacitance plate
Key system realizes the application of capacitance plate touch key-press, and each key effect display in time.
In order to solve the above-mentioned technical problem, the utility model provides a kind of touch key system based on capacitance plate, packet
Include master control key, secondary key, main control unit, key control module；The master control key, secondary key and key control module
It is all connected with the main control unit；It further include master control display, secondary display；The master control display and secondary display connect
Connect the key control module；The master control key and secondary key are capacitance touch button；
Master control key is touched, the master control key sends booting touch signal or shutdown touch signal to the master control list
Member, the main control unit receives the booting touch signal or shutdown touch signal, and starts or stops, the main control unit hair
It send the first enabling signal or the first stop signal to the key control module, the master is controlled by the key control module
Control display shows the first starting state or the first halted state；
When the master control display shows the first starting state；The secondary key is touched, the secondary key sends secondary
To the main control unit, the main control unit receives the secondary enabling signal or secondary for grade enabling signal or secondary stop signal
Stop signal simultaneously sends the second enabling signal or the second stop signal to the key control module, presses key control mould by described
Block controls the secondary display and shows the second starting state or the second halted state.
In a preferred embodiment, the key control module includes first switch, second switch；The first switch
Connect the main control unit and second switch；The both ends of the second switch connect the main control unit and secondary display；Institute
It states main control unit and sends the first enabling signal to the key control module；The master control display shows the first open state,
The first switch is opened, and the second switch is opened, and the main control unit is connected to secondary display, the main control unit hair
Send the second enabling signal or the second stop signal to the secondary display；The main control unit sends the first stop signal to institute
State key control module；The master control display shows that the first halted state, the first switch are closed, and the second switch closes
It closes, the main control unit is not connected to secondary display.
In a preferred embodiment, the first switch is specially triode；Described in the base stage connection of the triode
Main control unit, the collector connection power supply and second switch of the triode, the emitter ground connection of the triode；The master control
The both ends of display connect the base stage and collector of the triode.
In a preferred embodiment, the second switch is specially metal-oxide-semiconductor；The grid connection described three of the metal-oxide-semiconductor
The collector of pole pipe, the source electrode of the metal-oxide-semiconductor connect the main control unit, the drain electrode connection of the metal-oxide-semiconductor secondary display
Device.
In a preferred embodiment, first enabling signal is specially high level signal, the base stage of the triode
The high level signal from the main control unit is received, the collector connection emitter of triode ON, the triode is grounded,
The collector level of the triode is pulled low, and the grid of the metal-oxide-semiconductor receives low level signal, and the metal-oxide-semiconductor conducting is described
Secondary display is connected to main control unit；
First stop signal is specially low level signal, and the base stage of the triode, which receives, comes from the main control unit
Low level signal, triode is not turned on, and the collector of the triode receives the high level signal from power supply, the MOS
The grid of pipe receives high level signal, and the metal-oxide-semiconductor is not turned on, and the secondary display is not connected to main control unit.
In a preferred embodiment, the master control display screen is specially by first diode and the second diodes in parallel shape
At diode group；The anode of the first diode connects the main control unit, and cathode connects the collector of the triode；
The anode of second diode connects the collector of the triode, and cathode connects the main control unit；One or two pole
Pipe and the second diode are light emitting diode；
When main control unit sends high level signal, first diode conducting, when main control unit sends low level signal,
Second diode current flow.
In a preferred embodiment, the secondary display is specially third diode, and the third diode is specific
For light emitting diode；The anode of the third diode connects the drain electrode of the metal-oxide-semiconductor；It is opened when the main control unit sends first
Dynamic signal, the metal-oxide-semiconductor conducting；The main control unit sends the second enabling signal, the third diode current flow；The master control
Unit sends the second stop signal, and the third diode is not turned on.
In a preferred embodiment, when the main control unit send the first enabling signal, first triode ON,
When second triode is not turned on, the master control key is touched, the main control unit will send the first stop signal, and the described 1st
Pole pipe is not turned on, second triode ON；
When the main control unit the second enabling signal of transmission, the third diode current flow, the secondary key is touched,
The main control unit sends the second stop signal, and the third diode is not turned on.
In a preferred embodiment, the first diode is specially blue light diode, and second diode is specific
For red diodes.
In a preferred embodiment, the secondary key is at least arranged one.
Compared to the prior art, the technical solution of the utility model have it is following the utility model has the advantages that
The utility model provides a kind of touch key system based on capacitance plate, is pressed by the realization of capacitance sheet touch key-press
Key control process is more stable, and sensitivity is higher, and each key has light emitting diode and shows each press in time to realize
The state of a control of key is applicable to specifically control occasion.
Detailed description of the invention
Fig. 1 is the circuit diagram in the preferred embodiment in the utility model about main control unit；
Fig. 2 is the circuit diagram in the preferred embodiment in the utility model about key control module；
Fig. 3 is in the preferred embodiment in the utility model about master control key and the circuit diagram of secondary key.
Specific embodiment
The utility model is described further below in conjunction with the drawings and specific embodiments.
A kind of touch key system based on capacitance plate, with reference to Fig. 1, including master control key, secondary key, main control unit
NK01, key control module；Multiple by key control in order to realize, the secondary key is at least arranged one in the present system,
In the present embodiment, the secondary key is arranged two, is all connected with the main control unit NK01, which secondary key is touched, main
Control unit NK01 just receives the signal from it, and specifically, the master control is connect by the BL1 for being keyed the main control unit NK01
Mouthful, it is described secondary by BL2, BL3 interface for being keyed the main control unit NK01.The key control module connects the master control
Unit NK01；It further include master control display, secondary display；The master control display and secondary display are all connected with the key
Control module；The master control key and secondary key are capacitance touch button；Use capacitance touch button that can make key
Control process is more stable, and sensitivity is higher.
Working principle are as follows: touch master control key, the master control key sends booting touch signal or shutdown touch signal extremely
The main control unit NK01, the main control unit NK01 receive the booting touch signal or shutdown touch signal, and starting or
Stop, the main control unit NK01 sends the first enabling signal or the first stop signal to the key control module, passes through institute
It states the key control module control master control display and shows the first starting state or the first halted state；Master control key it is main
Effect is that main control unit NK01 is made to power on booting.
After main control unit NK01 powers on booting, i.e., when the master control display shows the first starting state；Described in touch
Secondary key, the secondary key send secondary enabling signal or secondary stop signal to the main control unit NK01, the master
Unit NK01 is controlled to receive the secondary enabling signal or secondary stop signal and send the second enabling signal or the second stop signal
To the key control module, the secondary display is controlled by the key control module and shows the second starting state or the
Two halted states.
Specifically, the key control module includes first switch, second switch；The first switch connects the master
Control unit NK01 and second switch；The both ends of the second switch connect the main control unit NK01 and secondary display；It is described
Main control unit NK01 sends the first enabling signal to the key control module；The master control display shows the first opening state
State, the first switch are opened, and the second switch is opened, and the main control unit NK01 is connected to secondary display, the master
It controls unit NK01 and sends the second enabling signal or the second stop signal to the secondary display；The main control unit NK01 is sent
First stop signal is to the key control module；The master control display shows that the first halted state, the first switch are closed
It closes, the second switch is closed, and the main control unit NK01 is not connected to secondary display.
In the present embodiment, the first switch is specially triode VK01；The base stage of the triode VK01 connects institute
State main control unit NK01, the collector connection power supply and second switch of the triode VK01, the transmitting of the triode VK01
Pole ground connection；The both ends of the master control display connect the base stage and collector of the triode VK01.The second switch is specific
For metal-oxide-semiconductor VK02；The grid of the metal-oxide-semiconductor VK02 connects the collector of the triode VK01, the source electrode of the metal-oxide-semiconductor VK02
The main control unit NK01 is connected, the drain electrode of the metal-oxide-semiconductor VK02 connects the secondary display.
The concrete operating principle of this system are as follows: first enabling signal is specially high level signal, the triode
The base stage of VK01 receives the high level signal from the main control unit NK01, triode VK01 conducting, the triode VK01
Collector connection emitter ground connection, the collector level of the triode VK01 is pulled low, and the grid of the metal-oxide-semiconductor VK02 connects
Low level signal, the metal-oxide-semiconductor VK02 conducting are received, the secondary display is connected to main control unit NK01；
First stop signal is specially low level signal, and the base stage of the triode VK01, which receives, comes from the master control
The low level signal of unit NK01, triode VK01 are not turned on, and the collector of the triode VK01 receives the height from power supply
The grid of level signal, the metal-oxide-semiconductor VK02 receives high level signal, and the metal-oxide-semiconductor VK02 is not turned on, the secondary display
It is not connected to main control unit NK01.
Specifically, the master control display screen is specially the diode formed by first diode and the second diodes in parallel
Group LED1；The anode of the first diode connects the main control unit NK01, and cathode connects the current collection of the triode VK01
Pole；The anode of second diode connects the collector of the triode VK01, and cathode connects the main control unit NK01；Institute
Stating first diode and the second diode is light emitting diode；When main control unit NK01 send high level signal, described first
Diode current flow, when main control unit NK01 sends low level signal, second diode current flow.The secondary display is specific
For third diode (LED) 2, the third diode (LED) 2 is specially light emitting diode；The anode of the third diode (LED) 2
Connect the drain electrode of the metal-oxide-semiconductor VK02；When the main control unit NK01 sends the first enabling signal, the metal-oxide-semiconductor VK02 conducting；
The main control unit NK01 sends the second enabling signal, and the third diode (LED) 2 is connected；The main control unit NK01 is sent
Second stop signal, the third diode (LED) 2 are not turned on.In the present embodiment.The first diode is specially blue light two
Pole pipe, second diode is specially red diodes, can also use the light emitting diode of other colors, belong to and simply replace
It changes, protection scope of this utility model cannot be limited by this.
Specifically, when the main control unit NK01 sends the first enabling signal, the first triode VK01 is connected, the
When two triode VK01 are not turned on, the master control display shows that blue lamp lights, and red light goes out, and touches the master control key at this time,
The main control unit NK01 will send the first stop signal, and the first triode VK01 is not turned on, second triode
VK01 conducting, the master control display show that blue lamp is gone out, and red light lights.
In the case where main control unit NK01 powers on booting, when the main control unit NK01 sends the second enabling signal, institute
When stating the conducting of third diode (LED) 2, the lamp of third diode (LED) 2 is lighted, and touches the secondary key, the master control list at this time
First NK01 sends the second stop signal, and the third diode (LED) 2 is not turned on, and the lamp of third diode (LED) 2 goes out.
The utility model provides a kind of touch key system based on capacitance plate, is pressed by the realization of capacitance sheet touch key-press
Key control process is more stable, and sensitivity is higher, and each key has light emitting diode and shows each press in time to realize
The state of a control of key is applicable to specifically control occasion.
The preferable specific embodiment of the above, only the utility model, but the design concept of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, utilizes this design
The change that unsubstantiality is carried out to the utility model belongs to the behavior for invading scope of protection of the utility model.
Claims (10)
1. a kind of touch key system based on capacitance plate, which is characterized in that including master control key, secondary key, main control unit,
Key control module；The master control key, secondary key and key control module are all connected with the main control unit；It further include master control
Display, secondary display；The master control display and secondary display are all connected with the key control module；The master control is pressed
Key and secondary key are capacitance touch button；
Master control key is touched, the master control key sends booting touch signal or shutdown touch signal to the main control unit, institute
It states main control unit and receives the booting touch signal or shutdown touch signal, and start or stop, the main control unit transmission the
It is aobvious to control the master control by the key control module to the key control module for one enabling signal or the first stop signal
Show that device shows the first starting state or the first halted state；
When the master control display shows the first starting state；The secondary key is touched, the secondary key sends secondary and opens
Dynamic signal or secondary stop signal are to the main control unit, and the main control unit receives the secondary enabling signal or secondary stops
Signal simultaneously sends the second enabling signal or the second stop signal to the key control module, passes through the key control module control
It makes the secondary display and shows the second starting state or the second halted state.
2. the touch key system according to claim 1 based on capacitance plate, which is characterized in that the key control module
Including first switch, second switch；The first switch connects the main control unit and second switch；The two of the second switch
End connects the main control unit and secondary display；The main control unit sends the first enabling signal and presses key control mould to described
Block；The master control display shows that the first open state, the first switch are opened, and the second switch is opened, the master control
Unit is connected to secondary display, and the main control unit sends the second enabling signal or the second stop signal to the secondary display
Device；The main control unit sends the first stop signal to the key control module；The master control display shows the first stopping
State, the first switch are closed, and the second switch is closed, and the main control unit is not connected to secondary display.
3. the touch key system according to claim 2 based on capacitance plate, which is characterized in that the first switch is specific
For triode；The base stage of the triode connects the main control unit, and the collector connection power supply of the triode and second open
It closes, the emitter ground connection of the triode；The both ends of the master control display connect the base stage and collector of the triode.
4. the touch key system according to claim 3 based on capacitance plate, which is characterized in that the second switch is specific
For metal-oxide-semiconductor；The grid of the metal-oxide-semiconductor connects the collector of the triode, and the source electrode of the metal-oxide-semiconductor connects the master control list
The drain electrode of member, the metal-oxide-semiconductor connects the secondary display.
5. the touch key system according to claim 4 based on capacitance plate, which is characterized in that first enabling signal
Specially high level signal, high level signal of the base stage reception from the main control unit of the triode, triode ON,
The collector connection emitter ground connection of the triode, the collector level of the triode are pulled low, the grid of the metal-oxide-semiconductor
Low level signal, the metal-oxide-semiconductor conducting are received, the secondary display is connected to main control unit；
First stop signal is specially low level signal, and the base stage of the triode is received from the low of the main control unit
Level signal, triode are not turned on, and the collector of the triode receives the high level signal from power supply, the metal-oxide-semiconductor
Grid receives high level signal, and the metal-oxide-semiconductor is not turned on, and the secondary display is not connected to main control unit.
6. the touch key system according to claim 5 based on capacitance plate, which is characterized in that the master control shows utensil
Body is the diode group formed by first diode and the second diodes in parallel；The anode of the first diode connects the master
Unit is controlled, cathode connects the collector of the triode；The anode of second diode connects the collector of the triode,
Cathode connects the main control unit；The first diode and the second diode are light emitting diode；
When main control unit sends high level signal, the first diode conducting is described when main control unit transmission low level signal
Second diode current flow.
7. the touch key system according to claim 6 based on capacitance plate, which is characterized in that the secondary display tool
Body is third diode, and the third diode is specially light emitting diode；The anode of the third diode connects the MOS
The drain electrode of pipe；When the main control unit sends the first enabling signal, the metal-oxide-semiconductor conducting；The main control unit sends second and opens
Dynamic signal, the third diode current flow；The main control unit sends the second stop signal, and the third diode is not turned on.
8. the touch key system according to claim 7 based on capacitance plate, which is characterized in that when the main control unit is sent out
The first enabling signal is sent, the first triode ON when the second triode is not turned on, touches the master control key, the master control list
Member will send the first stop signal, and first triode is not turned on, second triode ON；
When the main control unit the second enabling signal of transmission, the third diode current flow, the secondary key is touched, it is described
Main control unit sends the second stop signal, and the third diode is not turned on.
9. the touch key system according to claim 6 based on capacitance plate, which is characterized in that the first diode tool
Body is blue light diode, and second diode is specially red diodes.
10. the touch key system as claimed in any of claims 1 to 9 based on capacitance plate, which is characterized in that institute
It states secondary key and is at least arranged one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735941.XU CN209526707U (en) | 2018-10-25 | 2018-10-25 | A kind of touch key system based on capacitance plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735941.XU CN209526707U (en) | 2018-10-25 | 2018-10-25 | A kind of touch key system based on capacitance plate |
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| Publication Number | Publication Date |
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| CN209526707U true CN209526707U (en) | 2019-10-22 |
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| CN201821735941.XU Active CN209526707U (en) | 2018-10-25 | 2018-10-25 | A kind of touch key system based on capacitance plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309491A (en) * | 2018-10-25 | 2019-02-05 | 厦门厦华科技有限公司 | Touch key system based on capacitance plate |
-
2018
- 2018-10-25 CN CN201821735941.XU patent/CN209526707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309491A (en) * | 2018-10-25 | 2019-02-05 | 厦门厦华科技有限公司 | Touch key system based on capacitance plate |
| CN109309491B (en) * | 2018-10-25 | 2024-05-14 | 厦门厦华科技有限公司 | Touch key system based on capacitive screen |
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