CN107885108A - The control device of electronic equipment - Google Patents
The control device of electronic equipment Download PDFInfo
- Publication number
- CN107885108A CN107885108A CN201711368807.0A CN201711368807A CN107885108A CN 107885108 A CN107885108 A CN 107885108A CN 201711368807 A CN201711368807 A CN 201711368807A CN 107885108 A CN107885108 A CN 107885108A
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- circuit
- signal
- electronic equipment
- trigger action
- control device
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- 230000005611 electricity Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000011664 signaling Effects 0.000 claims description 11
- 230000000630 rising effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The present invention relates to the control device of a kind of electronic equipment, signal deteching circuit including obtaining trigger action signal, when trigger action signal is consistent with default trigger action signal, the governor circuit of output drive signal, and opening or closed mode are in for switching electronic equipment according to trigger action signal and the drive circuit of drive signal output state switching signal, state switching signal；Signal deteching circuit is connected with governor circuit and drive circuit respectively, governor circuit is connected with drive circuit, drive circuit is connected with external power source, pass through the control device of the electronic equipment, the opening ways and closing mode of User Defined electronic equipment can be realized, when the trigger action signal detected is consistent with default trigger action signal, electronic equipment just can correspondingly on or off external power source, the autonomous selection of mode can be so realized to electronic equipment opening ways and closed, meets the different demands of user.
Description
Technical field
The present invention relates to electronic equipment control technology field, more particularly to the control device of a kind of electronic equipment.
Background technology
With the development of science and technology, automobile is increasingly popularized, and in-car is generally fitted with the cars such as drive recorder, navigator
Carry electronic communication equipment.
Traditional, manually startup and shutdown realize the control to vehicle electronics communication equipment, such control mode
It is single, it is necessary to which user is manually operated, can not meet the needs of user.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of control for the electronic equipment that can independently select control mode
Device.
The control device of a kind of electronic equipment, including：
The signal deteching circuit of trigger action signal is obtained, when trigger action signal is consistent with default trigger action signal
When, the governor circuit of output drive signal, and the drive according to trigger action signal and drive signal output state switching signal
Dynamic circuit, state switching signal are in opening or closed mode for switching electronic equipment；
Signal deteching circuit is connected with governor circuit and drive circuit respectively, and governor circuit is connected with drive circuit, is driven
Dynamic circuit is connected with external power source.
The control device of above-mentioned electronic equipment, including the signal deteching circuit of trigger action signal is obtained, work as trigger action
When signal is consistent with default trigger action signal, the governor circuit of output drive signal, and according to trigger action signal and drive
The drive circuit of dynamic signal output state switching signal；Signal deteching circuit is connected with governor circuit and drive circuit respectively,
Governor circuit is connected with drive circuit, and drive circuit is connected with external power source, passes through the control device of the electronic equipment, Ke Yishi
The opening ways and closing mode of existing User Defined electronic equipment, when the trigger action signal detected and default trigger action
When signal is consistent, electronic equipment just can correspondingly on or off external power source, can so realize to electronic equipment opening square
Formula and the autonomous selection for closing mode, meet the different demands of user.
Brief description of the drawings
Fig. 1 is the structural representation of the control device of electronic equipment in one embodiment；
Fig. 2 is the structural representation of the control device of electronic equipment in another embodiment；
Fig. 3 is the circuit diagram of signaling conversion circuit in the control device of electronic equipment in one embodiment；
Fig. 4 is the circuit diagram of drive circuit in the control device of electronic equipment in one embodiment.
Embodiment
As shown in figure 1, the control device of a kind of electronic equipment, including：
The signal deteching circuit 100 of trigger action signal is obtained, when trigger action signal and default trigger action signal one
During cause, the governor circuit 200 of output drive signal, and according to trigger action signal and drive signal output state switching signal
Drive circuit 300, state switching signal is used to switch electronic equipment and be in opening or closed mode；
Signal deteching circuit 100 is connected with governor circuit 200 and drive circuit 300 respectively, governor circuit 200 and driving
Circuit 300 is connected, and drive circuit 300 is connected with external power source.
Signal deteching circuit 100 is used to obtain trigger action signal, and trigger action signal can be manual trigger action letter
Number or automatic trigger action signal or automatic/hand trigger action signal, wherein, manual trigger action letter
Number can be the signal for characterizing hand switch state, automatic trigger action signal can be rising edge signal caused by automotive ignition
Or trailing edge signal caused by automobile flameout.
In one embodiment, first can specifically be included for obtaining the signal deteching circuit of manual trigger action signal
Resistance, second resistance and diode, the first end of first resistor receive external voltage, and the second end of first resistor is with passing through the
Two resistance eutral groundings, the second end of first resistor is connected by diode and drive circuit and external hand switch, and the first electricity
Second end of resistance is connected with governor circuit, wherein, the resistance of first resistor is more than the resistance of second resistance.Specifically, outside is worked as
When hand switch is pressed, the trigger action signal that signal deteching circuit is got is low level signal；External hand switch does not have
When pressing, the trigger action signal that signal deteching circuit obtains is high level signal.More specifically, the anode of diode and
The second end connection of one resistance, negative electrode and the external hand switch of diode connect, can because the reverse cut-off of diode acts on
So that the voltage of diode anode to be isolated with the voltage of diode cathode.
Governor circuit 200 is when trigger action signal is consistent with default trigger action signal, output drive signal, such as in advance
If electronic equipment opening ways trigger action signal for automotive ignition action caused by rising edge signal, then detecting
It is defeated because trigger action signal is consistent with default trigger action signal when trigger action signal is automotive ignition rising edge signal
Go out the drive signal of high level.
Drive circuit 300 is used for according to trigger action signal and drive signal output state switching signal, state switching letter
Number it is used for switching electronic equipment and being in opening or closed mode.Specifically, drive circuit 300 can include the first phase inverter
And second phase inverter, the first phase inverter are connected with signal deteching circuit and governor circuit respectively, the second phase inverter with it is outside
Hand switch is connected, and the first phase inverter is connected with the second phase inverter, and the second phase inverter is connected with external power source, wherein, first is anti-
Phase device can be the first triode, and the second phase inverter can be the second triode.More specifically, when automatic trigger action signal
For high level signal be automotive ignition produce rising edge signal when, state switching signal be high level signal, connection external power source,
And when unlatching trigger action signal is consistent with default unlatching trigger action signal, governor circuit sends the driving letter of high level
Number, to keep external power source to connect, so that electronic equipment is in opening；When automatic trigger action signal is believed for low level
When number i.e. automobile flameout produces trailing edge signal, state switching signal be low level signal, external power source shut-off, and tactile closing
Send out action signal it is consistent with default closing trigger action signal when, low level drive signal that governor circuit is sent, to protect
External power source shut-off is held, so that electronic equipment is closed；When pressing hand switch, state switching signal is high electricity
Ordinary mail number, external power source are connected, and when unlatching trigger action signal is consistent with default unlatching trigger action signal, governor circuit
The drive signal of high level is sent, to keep external power source to connect；When not pressing hand switch, state switching signal is low
Level signal, external power source shut-off, and when closing trigger action signal is consistent with default closing trigger action signal, master control electricity
The low level drive signal that road is sent, to keep external power source to turn off.
The control device of above-mentioned electronic equipment, including the signal deteching circuit 100 of trigger action signal is obtained, when triggering is dynamic
Make signal it is consistent with default trigger action signal when, the governor circuit 200 of output drive signal, and according to trigger action signal
With the drive circuit 300 of drive signal output state switching signal；Signal deteching circuit 100 respectively with governor circuit 200 and
Drive circuit 300 is connected, and governor circuit 200 is connected with drive circuit 300, and drive circuit 300 is connected with external power source, by this
The control device of electronic equipment, it is possible to achieve the opening ways and closing mode of User Defined electronic equipment, when what is detected
When trigger action signal is consistent with default trigger action signal, electronic equipment just can correspondingly on or off external power source, this
The autonomous selection of mode can be realized to electronic equipment opening ways and closed to sample, meet the different demands of user.
In one embodiment, the signal deteching circuit in the control device of electronic equipment also includes filter capacitor, filtering
Electric capacity is in parallel with second resistance, makes the DC voltage of output smoother.
In one embodiment, as shown in Fig. 2 the control device of electronic equipment also includes signaling conversion circuit 400, signal
Detection circuit 100 is connected by signaling conversion circuit 400 with drive circuit 300, and signaling conversion circuit 400 is used to handle automatic touch
Action signal is sent out, voltage step caused by automotive ignition or flame-out action is converted into pulse control signal along signal.Signal turns
Charging circuit, electric capacity and discharge circuit can specifically be included by changing circuit 400, and signal deteching circuit is connected with charging circuit, filled
The first end of circuit and electric capacity is connected, and the first end of electric capacity is connected with discharge circuit, and discharge circuit is connected with drive circuit, electricity
The second end ground connection of container.Specifically, when trigger action signal is voltage rising edge signal caused by automotive ignition acts, lead to
Cross the charge-discharge characteristic of electric capacity, automotive ignition can be acted caused by voltage rising edge signal be converted to after can handling touch
Action signal is sent out, the signal can control the connection of external power source；When trigger action signal is electricity caused by automobile flameout action
When drops are along signal, by the charge-discharge characteristic of electric capacity, automobile flameout can be acted caused by voltage trailing edge signal turn
The trigger action signal being changed to after processing, the signal can control the shut-off of external power source.
In one embodiment, the charging circuit in the control device of electronic equipment includes charging capacitor, charging diode
And charging resistor, signal deteching circuit are connected with charging capacitor, first end that charging capacitor passes through charging diode and electric capacity
Connection, charging capacitor are grounded after being connected by charging diode with charging resistor, and charging is provided to electric capacity by the charging circuit
Loop.In another embodiment, the discharge circuit in the control device of electronic equipment is put including the first discharge resistance and second
Resistance, the first end of electric capacity are connected by the first discharge resistance with drive circuit, and the first end of electric capacity passes through the first electric discharge electricity
Resistance is grounded after being connected with the second discharge resistance, and discharge loop is provided to electric capacity by the discharge circuit.
In one embodiment, the signaling conversion circuit in the control device of electronic equipment also includes first switch pipe and the
Two switching tubes, first switch pipe include control terminal, first end and the second end, and second switch pipe includes control terminal, first end and the
Two ends, discharge circuit are connected with the control terminal of first switch pipe, the first end of first switch pipe and the control terminal of second switch pipe
Connection, the second end ground connection of first switch pipe, the first end of second switch pipe receive external voltage, the second end of second switch pipe
It is connected with drive circuit, first switch pipe and second switch Guan Jun play signal inversion effect.In another embodiment, electronics
Signaling conversion circuit in the control dress of equipment also includes mu balanced circuit, and signal deteching circuit is connected with mu balanced circuit, voltage stabilizing electricity
Road is connected with charging circuit, so that charging voltage is stable.
In a specific embodiment, the circuit diagram of signaling conversion circuit is as shown in figure 3, including mu balanced circuit, charging electricity
Road, electric capacity C2, discharge circuit, first switch pipe Q11 and second switch pipe Q58, mu balanced circuit include resistance R1 and the pole of voltage stabilizing two
Pipe D1, charging circuit include charging capacitor C1, charging resistor R2 and charging diode D2, and discharge circuit includes the first electric discharge electricity
Hinder R3 and the second discharge resistance R5, resistance R1 receive automatic trigger action signal IGN_SENSE, second switch pipe Q58 passes through electricity
Hinder the automatic trigger action signal IGN_POWER_ON after R8 outputs processing.
In a specific embodiment, the circuit diagram of drive circuit is as shown in figure 4, including diode D6, diode D7,
One phase inverter Q3 and the second phase inverter Q2, the first phase inverter Q3 receives drive signal POWER_HOLD by diode D6 respectively
And the automatic trigger action signal IGN_POWER_ON after processing, the second phase inverter connect with external hand switch ON/OFF_KEY
Connect.Signal deteching circuit for obtaining manual trigger action signal includes first resistor R3 and second resistance R1, the first electricity
Resistance R3 first end is connected with external hand Switching Power Supply 3V3, and first resistor R3 the second end is grounded by second resistance R1, the
One resistance R3 the second end switchs ON/OFF_KEY with external hand by diode D4 and is connected, and first resistor R3 the second end
Export manual trigger action signal PWR_KEY_DET.
In one embodiment, the unlatching flow of electronic equipment includes：The unlatching trigger action signal of electronic equipment is obtained,
Trigger action signal is opened to be used to trigger the external power source for connecting electronic equipment；Touched when opening trigger action signal with default open
When hair action signal is consistent, output drive signal；It is inconsistent when opening trigger action signal and presetting unlatching trigger action signal
When, return to the unlatching trigger action signal for obtaining electronic equipment；According to unlatching trigger action signal and drive signal output state
Switching signal, state switching signal are used to make electronic equipment be in opening.In another embodiment, the pass of electronic equipment
Closing flow includes：The closing trigger action signal of electronic equipment is obtained, trigger action signal is closed and is set for triggering shut-off electronics
Standby external power source；When closing trigger action signal is consistent with default closing trigger action signal, output drive signal；Work as pass
When closing trigger action signal and inconsistent default closing trigger action signal, the closing trigger action letter for obtaining electronic equipment is returned
Number；According to trigger action signal and drive signal output state switching signal is closed, state switching signal is used to make electronic equipment
It is closed.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply 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 present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. the control device of a kind of electronic equipment, it is characterised in that including：
The signal deteching circuit of trigger action signal is obtained, when the trigger action signal is consistent with default trigger action signal
When, the governor circuit of output drive signal, and switched according to the trigger action signal and the drive signal output state
The drive circuit of signal, the state switching signal are in opening or closed mode for switching electronic equipment；
The signal deteching circuit is connected with the governor circuit and the drive circuit respectively, the governor circuit with it is described
Drive circuit is connected, and the drive circuit is connected with external power source.
2. the control device of electronic equipment according to claim 1, it is characterised in that the signal deteching circuit includes the
One resistance, second resistance and diode, the first end reception external voltage of the first resistor, the second of the first resistor
End with being grounded by the second resistance, the second end of the first resistor by the diode and the drive circuit and
External hand switch connection, and the second end of the first resistor is connected with the governor circuit.
3. the control device of electronic equipment according to claim 2, it is characterised in that the signal deteching circuit also includes
Filter capacitor, the filter capacitor are in parallel with the second resistance.
4. the control device of electronic equipment according to claim 1, it is characterised in that also including signaling conversion circuit, institute
Signal deteching circuit is stated to be connected with the drive circuit by the signaling conversion circuit.
5. the control device of electronic equipment according to claim 4, it is characterised in that the signaling conversion circuit includes filling
Circuit, electric capacity and discharge circuit, the signal deteching circuit are connected with the charging circuit, the charging circuit with it is described
The first end connection of electric capacity, the first end of the electric capacity are connected with the discharge circuit, the discharge circuit and the driving electricity
Road connects, the second end ground connection of the capacitor.
6. the control device of electronic equipment according to claim 5, it is characterised in that the charging circuit includes charging electricity
Appearance, charging diode and charging resistor, the signal deteching circuit are connected with the charging capacitor, and the charging capacitor passes through
The charging diode is connected with the first end of the electric capacity, and the charging capacitor passes through the charging diode and the charging
It is grounded after resistance connection.
7. the control device of electronic equipment according to claim 5, it is characterised in that the discharge circuit is put including first
Resistance and the second discharge resistance, the first end of the electric capacity are connected by first discharge resistance with the drive circuit,
The electric capacity is grounded after being connected by first discharge resistance with second discharge resistance.
8. the control device of electronic equipment according to claim 5, it is characterised in that the signaling conversion circuit also includes
First switch pipe and second switch pipe, the first switch pipe include control terminal, first end and the second end, the second switch pipe
Including control terminal, first end and the second end, the discharge circuit is connected with the control terminal of the first switch pipe, and described first opens
The first end for closing pipe is connected with the control terminal of the second switch pipe, the second end ground connection of the first switch pipe, and described second
The first end of switching tube receives external voltage, and the second end of the second switch pipe is connected with the drive circuit.
9. the control device of electronic equipment according to claim 1, it is characterised in that it is anti-that the drive circuit includes first
Phase device and the second phase inverter, first phase inverter are connected with the signal deteching circuit and the governor circuit respectively,
Second phase inverter is connected with external hand switch, and first phase inverter is connected with second phase inverter, and described second
Phase inverter is connected with external power source.
10. the control device of electronic equipment according to claim 9, it is characterised in that first phase inverter includes the
One triode, second phase inverter include the second triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368807.0A CN107885108B (en) | 2017-12-18 | 2017-12-18 | Control device for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368807.0A CN107885108B (en) | 2017-12-18 | 2017-12-18 | Control device for electronic equipment |
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| CN107885108A true CN107885108A (en) | 2018-04-06 |
| CN107885108B CN107885108B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711368807.0A Active CN107885108B (en) | 2017-12-18 | 2017-12-18 | Control device for electronic equipment |
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| CN107885108B (en) | 2024-03-19 |
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