CN206180986U - Trigger circuit and earphone restore to throne - Google Patents
Trigger circuit and earphone restore to throne Download PDFInfo
- Publication number
- CN206180986U CN206180986U CN201621140458.8U CN201621140458U CN206180986U CN 206180986 U CN206180986 U CN 206180986U CN 201621140458 U CN201621140458 U CN 201621140458U CN 206180986 U CN206180986 U CN 206180986U
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- switch module
- module
- electronic equipment
- resistance
- trigger circuit
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Abstract
The utility model belongs to the technical field of electronic circuit, a trigger circuit and earphone restore to throne is provided. The utility model discloses an adopt the trigger circuit that resets including first switch module and second switch module, need not to adopt the button that resets, the cost is reduced, partial pressure module output partial pressure direct current and function button in electronic equipment are pressed when putting through, and first switch module and second switch module switch on simultaneously to draw the current potential of main control unit's the port that restores to the throne low to the low level, so that main control unit control electronic equipment carries out reset operation, so as to accurately restores to the throne to electronic equipment fast, the realizability that has promoted reset operation efficiency and strengthened the reset function.
Description
Technical field
This utility model is related to electronic circuit technology field, more particularly to a kind of reset trigger circuit and earphone.
Background technology
Because diversified and its function of electronic product operation platform becomes increasingly abundant and complicated, user is frequently using electricity
The problem of deadlock can be met with during sub- product unavoidably.
When electronic product crashes in use or system is locked, the usual way of user is to take out battery, is gone up again
Reset, so can cause inconvenience to the user, and operating efficiency is low.In addition, prior art additionally provides one kind by individually designed
One independent reset key come the solution realizing resetting, but so cause electronic product need to configure it is unnecessary by
Key, and then improve the cost of electronic product；Furthermore, reset key is generally located on product surface or is hidden in reset hole
It is interior：When reset key is arranged on product surface, user Jing when using electronic product often easily touches reset key by mistake
And maloperation is caused to electronic product.And for reset key be hidden in reset hole in the case of, user wanting to electronics produce
Need to find suitable instrument insertion reset hole when product are resetted, and pressing is embedded in the reset key in reset hole, however,
The shortcoming of the method is to be generally difficult to find suitable instrument be inserted into reset hole, so the realization of the operation that is not easy to reset, drop
The realizability of the low operation that resets.
Therefore, there is low reset operating efficiency, high cost and can in the electronic product reset schemes that prior art is provided
The problem of realisation difference.
Utility model content
The purpose of this utility model is to provide a kind of reset trigger circuit, it is intended to solve the electronics that prior art is provided
Product reset schemes have that low reset operating efficiency, high cost and realizability are poor.
This utility model is achieved in that a kind of reset trigger circuit, with electronic equipment in master controller reset
Port and function control port connect, and connect the division module in electronic equipment, and the function button of electronic equipment is series at work(
Can be between control port and ground；Current potential maintenance module in electronic equipment makes reseting port maintain high level shape according to supply voltage
State；When electronic equipment enters charged state, the unidirectional current that division module is input into the charging inlet of electronic equipment is carried out point
Pressure is processed and exported to the charging of master controller and detects port；When reseting port is low level, main controller controls electronics sets
It is standby to perform the operation that resets；Reset trigger circuit includes first switch module and second switch module.
The controlled end of first switch module is connected with the outfan of division module, the input and current potential of first switch module
Maintenance module connects, the outfan of first switch module is connected with the input of second switch module, and second switch module is received
Control end is connected with function control port, the output head grounding of second switch module.
When division module export partial pressure unidirectional current and function button be pressed connection when, first switch module and second switch
Module is simultaneously turned on, and the potential state of reseting port is adjusted to into low level state.
Another object of the present utility model also resides in a kind of earphone of offer, and it includes master controller, function button, partial pressure mould
Block, current potential maintenance module, charging inlet and above-mentioned reset trigger circuit.
In this utility model, by adopting the reset trigger circuit for including first switch module and second switch module,
Reset key need not be adopted, cost is reduced；When division module output partial pressure unidirectional current and function button quilt in electronic equipment
When pressing connection, first switch module and second switch module are simultaneously turned on, and the current potential of the reseting port of master controller is drawn
As little as low level, so that main controller controls electronic equipment performs the operation that resets such that it is able to rapidly and accurately to electronic equipment
Resetted, improve reset operating efficiency and enhance the realizability of reset function.
Description of the drawings
Fig. 1 is the structure chart of the reset trigger circuit that this utility model embodiment is provided；
Fig. 2 is the exemplary circuit structure chart of the reset trigger circuit that this utility model embodiment is provided.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define
One or more this feature can be expressed or be implicitly included to the feature of " first ", " second ".
In this utility model embodiment, the reseting port and function of the master controller in reset trigger circuit and electronic equipment
Control port connects, and connects the division module in electronic equipment, and the function button of electronic equipment is series at function control port
Between ground；Current potential maintenance module in electronic equipment connects the supply voltage that DC source is provided, and current potential maintenance module root
Reseting port is set to maintain high level state according to supply voltage.Reset trigger circuit includes first switch module and second switch mould
Block.When in electronic equipment division module output partial pressure unidirectional current and function button be pressed connection when, first switch module and
Second switch module is simultaneously turned on, and the current potential of the reseting port of master controller is pulled low to into low level, so that master controller control
Electronic equipment processed performs the operation that resets.
Fig. 1 shows the structure of the reset trigger circuit that this utility model embodiment is provided, and for convenience of description, only illustrates
The part related to this utility model embodiment, details are as follows：
The reseting port of the master controller 6 in reset trigger circuit 4 and electronic equipment that this utility model embodiment is provided
Connect with function control port, and connect the division module 2 in electronic equipment, the function button 3 of electronic equipment is series at function
Between control port and ground；Current potential maintenance module 5 in electronic equipment connects the supply voltage that DC source VCC is provided, and electricity
Position maintenance module 5 makes reseting port maintain high level state according to supply voltage.Charged state (i.e. electronics is entered in electronic equipment
The charging inlet 1 of equipment accesses power supply) when, division module 2 is carried out point to the unidirectional current that the charging inlet 1 of electronic equipment is input into
Pressure is processed and exported to the charging of master controller 6 and detects port, and now master controller 6 can detect electricity by the detection interface that charges
Sub- equipment is currently at charged state.When the reseting port of master controller 6 is low level, the control electronics of master controller 6
Perform the operation that resets.
Reset trigger circuit 4 includes first switch module 401 and second switch module 402.
The controlled end of first switch module 401 is connected with the outfan of division module 2, the input of first switch module 401
End is connected with current potential maintenance module 5, and the outfan of first switch module 401 is connected with the input of second switch module 402, the
The controlled end of two switch modules 402 is connected with function control port, the output head grounding of second switch module 402.
When division module 2 output partial pressure unidirectional current (i.e. electronic equipment enters charged state) and function button 3 be pressed and connect
When logical, first switch module 401 and second switch module 402 are simultaneously turned on, and the potential state of reseting port is adjusted to into low
Level state.
In this utility model embodiment, DC source VCC is that current potential maintenance module 5 and master controller 6 provide direct current
Supply voltage, direct current power source voltage can be+3.3V.
In this utility model embodiment, master controller 6 can be single-chip microcomputer, arm processor or other possess data
The programming device of logic processing capability, charging inlet 1 can be Micro-USB data-interfaces, Type-C data-interfaces or
Other possess the interface of data transfer and charge function.
In this utility model embodiment, partial pressure unidirectional current is exported by division module 2 and (electronic equipment is filled
Electricity) combined function button 3 connection (i.e. user presses function button 3), control first switch module 401 and second switch module
402 simultaneously turn on, so that the potential state of the reseting port of master controller 6 is adjusted to low level state, set so as to control electronics
It is standby to perform the operation that resets.
Fig. 2 shows the exemplary circuit structure chart of the reset trigger circuit that this utility model embodiment is provided, for the ease of
Illustrate, illustrate only the part related to this utility model embodiment, details are as follows：
Used as the preferred embodiment of this utility model one, first switch module 401 includes first resistor R1 and NPN type triode
Q1, the first end of first resistor R1 is the controlled end of first switch module 401, the second end of first resistor R1 and the pole of NPN type three
The base stage connection of pipe Q1, the input of the current collection extremely first switch module 401 of NPN type triode Q1, NPN type triode Q1
The outfan of transmitting extremely first switch module 401.
In this utility model embodiment, first resistor R1 is biasing current-limiting resistance, for adjusting NPN type triode Q1
The bias current of base stage.
Used as the preferred embodiment of this utility model one, second switch module 402 includes second resistance R2 and PNP type triode
Q2, the first end of second resistance R2 is the controlled end of second switch module 402, the second end of second resistance R2 and the pole of positive-negative-positive three
The base stage connection of pipe Q2, the input of the transmitting extremely second switch module 402 of PNP type triode Q2, PNP type triode Q2
The outfan of current collection extremely second switch module 402.
In this utility model embodiment, second resistance R2 is biasing current-limiting resistance, for adjusting PNP type triode Q2
The bias current of base stage.
Used as the preferred embodiment of this utility model one, division module 2 includes 3rd resistor R3 and the 4th resistance R4, and the 3rd is electric
The first end of resistance R3 is connected with the charging inlet of master controller 6, the second end of 3rd resistor R3 and the first end of the 4th resistance R4
Common contact for division module 2 outfan, the 4th resistance R4 the second end ground connection.
In this utility model embodiment, 3rd resistor R3 and the 4th resistance R4 are divider resistance, for charging inlet 1
The unidirectional current being input into carries out exporting partial pressure unidirectional current filling to first switch module 401 and master controller 6 after voltage division processing
Electro-detection port.
Used as the preferred embodiment of this utility model one, current potential maintenance module 5 includes the 5th resistance R5 and the first electric capacity C1, the
The first end of five resistance R5 is connected with DC source, and second end of the 5th resistance R5 is connected to altogether multiple with the first end of the first electric capacity C1
Bit port, the second end ground connection of the first electric capacity C1.
In this utility model embodiment, the 5th resistance R5 and the first electric capacity C1 are respectively pull-up resistor and reset capacitance.
5th resistance R5 is used to carry out current-limiting protection to the reseting port of master controller 6；First electric capacity C1 is used to be tieed up according to supply voltage
Hold high level state or in the case where first switch module 401 and second switch module 402 are simultaneously turned on, open according to first
Close the low level state of the time maintenance reseting port of module 401 and the conducting of second switch module 402.
Above-mentioned reset trigger circuit 4 is described further below in conjunction with operation principle：
DC source VCC is the 5th resistance R5 and the division module 2 and master controller 6 of the first electric capacity C1 compositions are provided directly
Stream supply voltage, the first electric capacity C1 makes reseting port maintain high level state according to supply voltage.Needing to enter electronic equipment
Row resets when controlling, and electronic equipment need to be in charged state and function button 3 is pressed, so now charging inlet 1 needs to access
Power supply simultaneously needs to press function button to the input dc power of division module 2, and user.Due to 3rd resistor R3 and the 4th resistance R4
Unidirectional current is carried out to export partial pressure unidirectional current after voltage division processing, so partial pressure unidirectional current can make after first resistor R1 current limliting
The base stage of NPN type triode Q1 is in high potential, then now NPN type triode Q1 conducting, at the same time, due to function button 3
Be pressed connection, so the base stage of PNP type triode Q2 will be pulled down to electronegative potential, so as to lead PNP type triode Q2 simultaneously
It is logical.Therefore, in the case where this NPN type triode Q1 and PNP type triode Q2 are simultaneously turned on, the reset terminal of master controller 6
The potential state of mouth is pulled low and is adjusted to low level state, so that master controller 6 can be according to the low level of its reseting port
State control electronics perform the operation that resets.
This utility model embodiment additionally provides a kind of earphone, including master controller 6, function button 3, division module 2, electricity
Position maintenance module 5 and charging inlet 1, also, the earphone also includes reset trigger circuit 4.
In this utility model embodiment, by using the reset trigger for including first switch module and second switch module
Circuit, without the need for adopting reset key, reduces cost；When the division module output partial pressure unidirectional current and function in electronic equipment is pressed
Key be pressed connection when, first switch module and second switch module are simultaneously turned on, and by the electricity of the reseting port of master controller
Position is pulled low to low level, so that main controller controls electronic equipment performs the operation that resets such that it is able to rapidly and accurately to electronics
Equipment is resetted, and is improved reset operating efficiency and is enhanced the realizability of reset function.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (6)
1. a kind of reset trigger circuit, is connected with the reseting port of the master controller in electronic equipment and function control port, and
Connect the division module in the electronic equipment, the function button of the electronic equipment is series at the function control port with ground
Between；Current potential maintenance module in the electronic equipment makes the reseting port maintain high level state according to supply voltage；
When the electronic equipment enters charged state, the unidirectional current that the division module is input into the charging inlet of the electronic equipment
Carry out voltage division processing and export to the charging of the master controller to detect port；It is described when the reseting port is low level
Electronic equipment described in main controller controls performs the operation that resets；Characterized in that, the reset trigger circuit includes first switch
Module and second switch module；
The controlled end of the first switch module is connected with the outfan of the division module, the input of the first switch module
End is connected with the current potential maintenance module, and the outfan of the first switch module connects with the input of the second switch module
Connect, the controlled end of the second switch module is connected with the function control port, the output termination of the second switch module
Ground；
When the division module export partial pressure unidirectional current and the function button be pressed connection when, the first switch module and
The second switch module is simultaneously turned on, and the potential state of the reseting port is adjusted to into low level state.
2. reset trigger circuit according to claim 1, it is characterised in that the first switch module includes first resistor
R1 and NPN type triode, the first end of first resistor R1 is the controlled end of the first switch module, the first resistor
Second end of R1 is connected with the base stage of the NPN type triode, the extremely described first switch mould of current collection of the NPN type triode
The input of block, the outfan of the extremely described first switch module of transmitting of the NPN type triode.
3. reset trigger circuit according to claim 1, it is characterised in that the second switch module includes second resistance
R2 and PNP type triode, the first end of second resistance R2 is the controlled end of the second switch module, the second resistance
Second end of R2 is connected with the base stage of the PNP type triode, the extremely described second switch mould of transmitting of the PNP type triode
The input of block, the outfan of the extremely described second switch module of current collection of the PNP type triode.
4. reset trigger circuit according to claim 1, it is characterised in that the division module include 3rd resistor R3 and
4th resistance R4, the first end of 3rd resistor R3 is connected with the charging inlet, the second end of 3rd resistor R3 with
The common contact of the first end of the 4th resistance R4 is the outfan of the division module, and the second of the 4th resistance R4 terminates
Ground.
5. reset trigger circuit according to claim 1, it is characterised in that the current potential maintenance module includes the 5th resistance
R5 and the first electric capacity C1, the first end of the 5th resistance R5 is connected with DC source, second end of the 5th resistance R5 with
The first end of the first electric capacity C1 is connected to altogether the reseting port, the second end ground connection of the first electric capacity C1.
6. a kind of earphone, including master controller, function button, division module, current potential maintenance module and charging inlet, its feature
It is that the earphone also includes the reset trigger circuit as described in any one of Claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140458.8U CN206180986U (en) | 2016-10-20 | 2016-10-20 | Trigger circuit and earphone restore to throne |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140458.8U CN206180986U (en) | 2016-10-20 | 2016-10-20 | Trigger circuit and earphone restore to throne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180986U true CN206180986U (en) | 2017-05-17 |
Family
ID=58678855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621140458.8U Active CN206180986U (en) | 2016-10-20 | 2016-10-20 | Trigger circuit and earphone restore to throne |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206180986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809696A (en) * | 2017-11-30 | 2018-03-16 | 成都必盛科技有限公司 | It is a kind of to establish the wireless headset interacted with Earphone box |
| CN107809697A (en) * | 2017-11-30 | 2018-03-16 | 成都必盛科技有限公司 | It is a kind of to be used to establish the Earphone box interacted with wireless headset |
| CN111989639A (en) * | 2018-08-28 | 2020-11-24 | 谷歌有限责任公司 | System and method for communicating a reset via a power line |
-
2016
- 2016-10-20 CN CN201621140458.8U patent/CN206180986U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809696A (en) * | 2017-11-30 | 2018-03-16 | 成都必盛科技有限公司 | It is a kind of to establish the wireless headset interacted with Earphone box |
| CN107809697A (en) * | 2017-11-30 | 2018-03-16 | 成都必盛科技有限公司 | It is a kind of to be used to establish the Earphone box interacted with wireless headset |
| CN111989639A (en) * | 2018-08-28 | 2020-11-24 | 谷歌有限责任公司 | System and method for communicating a reset via a power line |
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