CN207442814U - ON-OFF control circuit - Google Patents
ON-OFF control circuit Download PDFInfo
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- CN207442814U CN207442814U CN201721356724.5U CN201721356724U CN207442814U CN 207442814 U CN207442814 U CN 207442814U CN 201721356724 U CN201721356724 U CN 201721356724U CN 207442814 U CN207442814 U CN 207442814U
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- external system
- control circuit
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Abstract
The utility model is related to a kind of ON-OFF control circuits, signal acquisition module including obtaining switch level signal, the control module of control signal is sent according to switch level signal, the break-make of external system power supply, the gating module for obtaining external system operating mode and the operating mode characterization component for characterizing external system operating mode are controlled according to control signal；Signal acquisition module is connected with control module, and control module is connected with gating module, and gating module is connected with operating mode characterization component, and gating module is connected with external system.Above-mentioned ON-OFF control circuit, gating module controls the break-make of external system power supply according to the control signal received, and obtain external system operating mode, operating mode characterizes component to characterize external system operating mode, such ON-OFF control circuit can be according to switch level signal come whether controlling the work of external system, and component is characterized intuitively to show external system working condition, with the effect of feedback switch level signal by operating mode.
Description
Technical field
The utility model is related to switching technique field, more particularly to a kind of ON-OFF control circuit.
Background technology
Various types of instruments, instrument often need to use button switch, such as laser scanning system, pass through button switch
Control its work, and it is traditional general directly by button switch control system on/off, but whether can not know switch
It effectively presses, whether system receives instruction, i.e., no feedback effects.
Utility model content
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of ON-OFF control circuit with feedback effects.
A kind of ON-OFF control circuit, including：The signal acquisition module of switch level signal is obtained, according to switch level signal
The control module of control signal is sent, the break-make of external system power supply is controlled according to control signal, obtains external system operating mode
Gating module and the operating mode characterization component for characterizing external system operating mode.
The switch level signal got is sent to control module by above-mentioned ON-OFF control circuit, signal acquisition module, control
Molding root tuber sends control signal to gating module according to the switch level signal received, and gating module is connected with external system,
According to receive control signal control external system power supply break-make, obtain external system operating mode, operating mode characterize component to
Characterize external system operating mode, such ON-OFF control circuit can according to switch level signal come control the work of external system with
It is no, and component is characterized intuitively to show external system working condition, with the effect of feedback switch level signal by operating mode.
Description of the drawings
Fig. 1 is the structure diagram of ON-OFF control circuit in one embodiment；
Fig. 2 is the structure diagram of ON-OFF control circuit in one embodiment；
Fig. 3 is that switch button and operating mode characterize the position view of component in ON-OFF control circuit in one embodiment；
Fig. 4 is the circuit diagram of ON-OFF control circuit in a concrete application embodiment.
Specific embodiment
As shown in Figure 1, a kind of ON-OFF control circuit, including：Obtain the signal acquisition module 100 of switch level signal, root
The control module 200 of control signal is sent according to switch level signal, the break-make of external system power supply is controlled according to control signal, is obtained
The gating module 300 for taking external system operating mode and the operating mode characterization component 400 for characterizing external system operating mode.
Signal acquisition module 100 is connected with control module 200, and control module 200 is connected with gating module 300, gates mould
Block 300 is connected with operating mode characterization component 400, and gating module 300 is connected with external system.
Signal acquisition module 100 is used for detection switch level signal, and specifically, signal acquisition module 100 includes switch and presses
Button, capacitance and resistance, the first end of switch button are connected with external switch power supply by resistance, are connect by capacitance respectively
It ground and is connected with control module 200, the second end ground connection of switch button.
Control module 200 sends control signal according to switch level signal, specifically, as shown in Fig. 2, control module 200
It can include sending the signal processing unit 220 of relay trigger signal and according to relay trigger signal according to switch level signal
The relay control unit 240 of control signal is sent, signal acquisition module 100 connects 220 with signal processing unit and connects, signal processing list
Member 220 is connected with relay control unit 240, and relay control unit 240 is connected with gating module 300.Further, signal processing
Unit 220 includes STM8S and controls chip, and STM8S controls 8 microcontrollers that chip is 16MHz, the Harvard with 3 level production lines
Structure, 8K bytes Flash (flash memory), integrated data EEPROM (Electrically Erasable Programmable read
Only memory, electric erazable programmable read-write memory), flexible clock control, the nested interrupt control of 32 interruptions of band
Device, 16 advanced control timers, UART (the Universal Asynchronous Receiver/ with synchronised clock output
Transmitter, universal asynchronous receiving-transmitting transmitter), 10 ADC (Analog-to-Digital Converter, analog-to-digital conversions
Device), can be specifically STM8S003F3 model microcontrollers.Relay control unit 240 includes switching tube and optocoupler, and switching tube includes
Control terminal, first end and second end, the control terminal of switching tube are connected with control module, the first end of switching tube and the input of optocoupler
End connection, the output terminal of optocoupler be connected with gating module, and the second end of switching tube is grounded, by optocoupler can realize input terminal and
The electrical isolation of output terminal, output signal do not influence input terminal, signal one-way transmission, strong antijamming capability, the operation is stable,
Efficiency of transmission is high.Wherein, switching tube can specifically include MMBT4401 triodes, and optocoupler can specifically include TCMD1000 light
Coupling.
Gating module 300 is used to control the break-make of external system power supply according to control signal, obtains external system operating mode, tool
Body, gating module includes relay and operating mode characterization component control switch, and one end of relay is connected with control module, relay
The other end of device is connected with external system, and one end of operating mode characterization component control switch is connected with external system, operating mode characterization group
The other end of part control switch is connected with operating mode characterization component.Such as control signal be low level signal when, trigger relay obtains
Electricity connects external system power supply, and external system work obtains the corresponding level signal of external system operating mode as high level signal,
Operating mode characterization component control switch is closed, operating mode characterization component operation.
Operating mode characterization component 400 is used for characterizing external system operating mode, and specifically, operating mode characterization component 400 can include hair
Optical assembly, sounding component, acousto-optic component etc., wherein luminescence component can specifically include the light emitting diode group of multiple parallel connections, single
A light emitting diode group includes the first light emitting diode and the second light emitting diode of series connection, the anode of single light emitting diode group
It is connected with gating module, the minus earth of single light emitting diode group.
The switch level signal got is sent to control module by above-mentioned ON-OFF control circuit, signal acquisition module 100
200, control module 200 sends control signal to gating module 300, gating module 300 according to the switch level signal received
It is connected with external system, according to the break-make of the control signal control external system power supply received, obtains external system operating mode, work
Condition characterizes component 400 to characterize external system operating mode, and such ON-OFF control circuit can be controlled according to switch level signal
Whether the work of external system processed, and component is characterized intuitively to show external system working condition, with feedback switch by operating mode
The effect of level signal.
In one embodiment, as shown in figure 3, ON-OFF control circuit further includes panel, operating mode characterization component and switch
Button is arranged at panel.Wherein, switch button SB is arranged at the center of panel, and operating mode characterizes component with the symmetry axis of switch button
Panel is symmetrically distributed in, realizes preferable status display, lighting effects are uniform and soft, rich artistry.
In one embodiment, as shown in figure 4, when not pressing switch button S1,1 foot of microcontroller STM8S003F3
(KEY SCAN) is high level signal, and via pre-loaded program, 20 foot of single-chip microcomputer output (JK CONTROL) is low electricity
Ordinary mail number, 1 foot of triode Q1 receive the low level signal, triode Q1 cut-offs, and photoelectrical coupler U3 does not work, U3 3,
4 feet are not turned on, and RELAY- (4 feet of photoelectrical coupler U3) keeps high level signal, can not since RELAY- is high level signal
Connect the relay coil 0V ends controlled in external system by RELAY-, relay not electric do not work.It is pressed when by lower switch
During button S1, high level signal is pulled low as low level signal in short-term for 1 foot (KEY SCAN) of microcontroller STM8S003F3, via pre-
The program first loaded, 20 foot of single-chip microcomputer output (JK CONTROL) become high level signal, and 1 foot of triode Q1 receives this
High level signal, triode Q1 conductings, photoelectrical coupler U3 work, 3, the 4 feet conducting of U3, RELAY- are become from high level signal
Low level signal since RELAY- is low level signal, connects the relay coil 0V ends controlled in external system by RELAY-,
Relay starts to obtain electric work.Relay is used for controlling the on/off of external system, and external system working state signal is connected to
Control the luminescence component control switch of LED light light on and off, when relay obtains it is electric when, connect external system power supply, external system is normal
Work, at this point, external system working state signal is high level signal, luminescence component control switch receives the high level signal
When be closed, lightening LED lamp, for showing the working condition of external system, LED light and lampshade appear green, play together
Preferable status display and artistic effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of ON-OFF control circuit, which is characterized in that the signal acquisition module including obtaining switch level signal, according to described
Switch level signal sends the control module of control signal, controls the break-make of external system power supply according to the control signal, obtains
Take the gating module of external system operating mode and the operating mode characterization component of the characterization external system operating mode.
2. ON-OFF control circuit according to claim 1, which is characterized in that the control module is included according to the switch
Level signal sends the signal processing unit of relay trigger signal and sends control signal according to the relay trigger signal
Relay control unit；
The signal acquisition module is connected with the signal processing unit, the signal processing unit and the relay control unit
Connection, the relay control unit are connected with the gating module.
3. ON-OFF control circuit according to claim 2, which is characterized in that the signal processing unit is controlled including STM8S
Coremaking piece.
4. ON-OFF control circuit according to claim 2, which is characterized in that the relay control unit include switching tube and
Optocoupler, the switching tube include control terminal, first end and second end；
The control terminal of the switching tube is connected with the signal processing unit, and the first end of the switching tube is defeated with the optocoupler
Enter end connection, the output terminal of the optocoupler is connected with the gating module, the second end ground connection of the switching tube.
5. ON-OFF control circuit according to claim 4, which is characterized in that the switching tube includes tri- poles of MMBT4401
Pipe.
6. ON-OFF control circuit according to claim 4, which is characterized in that the optocoupler includes TCMD1000 optocouplers.
7. ON-OFF control circuit according to claim 1, which is characterized in that the signal acquisition module includes switch and presses
Button, capacitance and resistance, the first end of the switch button are connected with external switch power supply by the resistance, are logical respectively
It crosses the capacity earth and is connected with the control module, the second end ground connection of the switch button.
8. ON-OFF control circuit according to claim 7, which is characterized in that further include panel, the operating mode characterizes component
And the switch button is arranged at the panel.
9. ON-OFF control circuit according to claim 8, which is characterized in that the switch button is arranged at the panel
Center, the operating mode characterization component are symmetrically distributed in the panel with the symmetry axis of the switch button.
10. ON-OFF control circuit according to claim 1, which is characterized in that operating mode characterization component include it is multiple simultaneously
The light emitting diode group of connection, the single light emitting diode group include the first light emitting diode and the second light-emitting diodes of series connection
Pipe, the anode of the single light emitting diode group are connected with the gating module, and the cathode of the single light emitting diode group connects
Ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721356724.5U CN207442814U (en) | 2017-10-19 | 2017-10-19 | ON-OFF control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721356724.5U CN207442814U (en) | 2017-10-19 | 2017-10-19 | ON-OFF control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207442814U true CN207442814U (en) | 2018-06-01 |
Family
ID=62293522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721356724.5U Active CN207442814U (en) | 2017-10-19 | 2017-10-19 | ON-OFF control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207442814U (en) |
-
2017
- 2017-10-19 CN CN201721356724.5U patent/CN207442814U/en active Active
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