CN209357010U - Combination button reset circuit, device and electronic product - Google Patents
Combination button reset circuit, device and electronic product Download PDFInfo
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- CN209357010U CN209357010U CN201920328441.2U CN201920328441U CN209357010U CN 209357010 U CN209357010 U CN 209357010U CN 201920328441 U CN201920328441 U CN 201920328441U CN 209357010 U CN209357010 U CN 209357010U
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- resistance
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- combination button
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Abstract
The utility model discloses a kind of combination button reset circuit, device and electronic product, and wherein the combination button reset circuit includes combination button circuit and switching circuit；Wherein, the combination button circuit includes the first key circuit and the second key circuit, and first key circuit includes the first key, and second key circuit includes the second key；The combination button circuit, for exporting cut-off signals when first key and second key are not pressed or any one is pressed；When first key and second key are pressed, Continuity signal is exported；The switching circuit, for the disconnection when receiving the cut-off signals, to export the first level signal to reset terminal；The conducting when receiving the Continuity signal realizes system reset to export second electrical level signal to reset terminal.Technical solutions of the utility model can simplify circuit to reduce cost, and functionally can be realized the demand of system reset.
Description
Technical field
The utility model relates to key resetting technique field, in particular to a kind of combination button reset circuit, device and electricity
Sub- product.
Background technique
Under the background that electronic product floods market, the raising of people's quality of the life, the demand to electronic product is also more next
More, wherein the product of charged pool is increasingly by the welcome of consumer.It is not only right when people select in face of various products
Required by the function and appearance of product have, the requirement to product practicability is also higher and higher.Product simple to operation always by
To the welcome of the majority of consumers, can not quickly and easily be solved as abnormal but user occurs in fruit product, then user is to this
The satisfaction of product can be reduced greatly, so taking into account the solution of these problems in deisgn product, will be produced
Product are done more perfect, allow users to a good usage experience.
A charged pool electronic product is possible to cause unit exception or user because of operation because of some unstable determining reasons
It is improper insurmountable problem occur, it at this moment just needs that product is made to restore normal by the reset function of product, if do not had
Reset circuit so user when unit exception has no idea to continue to use this product before dead battery capability, greatly
The experience of user is affected, therefore is badly in need of a kind of easy reset circuit.
Utility model content
The main purpose of the utility model is to provide a kind of combination button reset circuit, it is intended to can simplify circuit to reduce
Cost, and functionally can be realized the demand of system reset.
To achieve the above object, the utility model proposes combination button reset circuit include combination button circuit and switch
Circuit；Wherein, the combination button circuit includes the first key circuit and the second key circuit, and first key circuit includes
First key, second key circuit include the second key；
The combination button circuit, for not being pressed or any one in first key and second key
It is a when being pressed, export cut-off signals；When first key and second key are pressed, Continuity signal is exported；
The switching circuit, for the disconnection when receiving the cut-off signals, to export the first level signal to reset
End；The conducting when receiving the Continuity signal realizes system reset to export second electrical level signal to reset terminal.
Preferably, first key circuit includes first resistor, the 8th resistance and the tenth resistance；Wherein,
The first end of 8th resistance is connect with the output end of the first power supply, the second end of the 8th resistance with it is described
The first end of first key connects, the second end of first key and first end, the tenth resistance of the first resistor
First end and first network end be separately connected, the second end of the first resistor is connect with the switching circuit, the described tenth
The second end of resistance is grounded.
Preferably, second key circuit includes second resistance, the 7th resistance and the 9th resistance；Wherein,
The first end of 7th resistance is connect with the output end of first power supply, the second end of the 7th resistance with
The first end of second key connects, the first end of the second end of second key and the second resistance, the described 9th
The first end of resistance and the second network-side are separately connected, the second end of the second end of the second resistance and the first resistor and
The switching circuit is separately connected, the second end ground connection of the 9th resistance.
Preferably, the switching circuit includes the 6th resistance, 3rd resistor and the 5th resistance；Wherein,
The first end of 6th resistance is connect with the output end of first power supply, the second end of the 6th resistance with
The second end of the second end of the first resistor and the second resistance is separately connected, the first end of the 3rd resistor with it is described
The second end of 6th resistance connects, and the second end of the 3rd resistor is connect with the first end of the 5th resistance, and the described 5th
The second end of resistance is grounded.
Preferably, the switching circuit further includes the first triode and the 4th resistance；Wherein,
The base stage of first triode and the second end of the 3rd resistor and the first end of the 5th resistance are distinguished
Connection, the emitter ground connection of first triode, the first end of the collector of first triode and the 4th resistance
And the reset terminal is separately connected, the second end of the 4th resistance and the output end of second source connect.
Preferably, the combination button circuit is connect with first power supply, and the combination button circuit is also with described
One network-side and second network-side are separately connected, and the combination button circuit is also connect with the switching circuit, described to open
Powered-down road is also separately connected with the second source and the reset terminal.
The utility model also proposes that a kind of combination button resetting apparatus, the combination button resetting apparatus include as described above
Combination button reset circuit.
The utility model also proposes that a kind of electronic product, the electronic product include that combination button as described above resets dress
It sets.
It is multiple to form a kind of combination button by setting combination button circuit and switching circuit for technical solutions of the utility model
Position circuit.Wherein, the combination button circuit includes the first key circuit and the second key circuit, the first key circuit packet
The first key is included, second key circuit includes the second key；The combination button circuit be used in first key and
When second key is not pressed or any one is pressed, cut-off signals are exported；In first key and described
When second key is pressed, Continuity signal is exported；The switching circuit is used for the disconnection when receiving the cut-off signals, with
The first level signal is exported to reset terminal；The conducting when receiving the Continuity signal, to export second electrical level signal to reset
Realize system reset in end.Technical solutions of the utility model can simplify circuit to reduce cost, and functionally can be realized
The demand of system reset.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the functional block diagram of one embodiment of the utility model combination button reset circuit；
Fig. 2 is the electrical block diagram of one embodiment of the utility model combination button reset circuit.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Occur it is conflicting or when cannot achieve should people think that the combination of this technical solution is not present, also do not wanted in the utility model
Within the protection scope asked.
The utility model proposes a kind of combination button reset circuits.
Referring to Fig.1, in the utility model embodiment, the combination button reset circuit include combination button circuit 100 and
Switching circuit 200；Wherein, the combination button circuit 100 includes the first key circuit 110 and the second key circuit 120, described
First key circuit 110 includes the first key SW1, and second key circuit 120 includes the second key SW2；
The combination button circuit 100, for not being pressed in the first key SW1 and the second key SW2
Or any one exports cut-off signals when being pressed；It is pressed in the first key SW1 and the second key SW2
When, export Continuity signal；
The switching circuit 200, for the disconnection when receiving the cut-off signals, to export the first level signal to again
Position end RESET；The conducting when receiving the Continuity signal, to export second electrical level signal to reset terminal RESET realization system
It resets.
It should be noted that being set as the reset terminal in the present embodiment and being achieved in low-level reset function, i.e.,
First level signal is high level signal, and the second electrical level signal is low level signal；It can be readily appreciated that according to tool
Body demand application, first level signal can be low level signal, and the second electrical level signal is high level signal.
It is worth noting that resetting in the present embodiment by combination button, while pressing two specified keys, i.e. institute
The first key SW1 and the second key SW2 is stated, to realize that product is restored to normal operating conditions under abnormality.
Technical solutions of the utility model form a kind of combination by setting combination button circuit 100 and switching circuit 200
Key reset circuit.Wherein, the combination button circuit 100 includes the first key circuit 110 and the second key circuit 120, institute
Stating the first key circuit 110 includes the first key SW1, and second key circuit 120 includes the second key SW2；The combination
Key circuit 100 is used in the first key SW1 and the second key SW2 is not pressed or any one is pressed
When, export cut-off signals；When the first key SW1 and the second key SW2 are pressed, Continuity signal is exported；Institute
Switching circuit 200 is stated for the disconnection when receiving the cut-off signals, to export the first level signal to reset terminal RESET；
The conducting when receiving the Continuity signal, to export second electrical level signal to reset terminal RESET realization system reset.This is practical
New technique scheme can simplify circuit to reduce cost, and functionally can be realized the demand of system reset.
Specifically, with reference to Fig. 2, first key circuit 110 includes first resistor R1, the 8th resistance R8 and the tenth resistance
R10；Wherein,
The first end of the 8th resistance R8 is connect with the output end of the first power supply VCC1, and the second of the 8th resistance R8
End is connect with the first end of the first key SW1, the second end of the first key SW1 and the first of the first resistor R1
End, the first end of the tenth resistance R10 and first network end NET1 are separately connected, the second end of the first resistor R1 and institute
State the connection of switching circuit 200, the second end ground connection of the tenth resistance R10.
It should be noted that in the present embodiment, when the first key SW1 is not pressed, regardless of second key
Whether SW2 is pressed, and the combination button circuit 100 can export cut-off signals and the switching circuit 200 is disconnected；Institute
When stating the first key SW1 and being pressed, if the second key SW2 is also pressed, the combination button circuit 100, which can export, is led
The switching circuit 200 is connected in messenger, and otherwise the combination button circuit 100 can export cut-off signals and make described hold
Powered-down road 200 disconnects.
Specifically, second key circuit 120 includes second resistance R2, the 7th resistance R7 and the 9th resistance R9；Wherein,
The first end of the 7th resistance R7 is connect with the output end of the first power supply VCC1, the 7th resistance R7's
Second end is connect with the first end of the second key SW2, and the second end of the second key SW2 is with the second resistance R2's
First end, the first end of the 9th resistance R9 and the second network-side NET2 are separately connected, the second end of the second resistance R2
It is separately connected with the second end and the switching circuit 200 of the first resistor R1, the second end ground connection of the 9th resistance R9.
It should be noted that in the present embodiment, when the second key SW2 is not pressed, regardless of first key
Whether SW1 is pressed, and the combination button circuit 100 can export cut-off signals and the switching circuit 200 is disconnected；Institute
When stating the second key SW2 and being pressed, if the first key SW1 is also pressed, the combination button circuit 100, which can export, is led
The switching circuit 200 is connected in messenger, and otherwise the combination button circuit 100 can export cut-off signals and make described hold
Powered-down road 200 disconnects.
It is worth noting that in conjunction with above-described embodiment, the first key SW1 and the second key SW2 not by
When pressing, voltage is all in low level state at the first network end NET1 and the second network-side NET2 two, to described
The function of first key SW1 and the second key SW2 script does not influence；It is pressed in the first key SW1 and described second
Key SW2 any one when being pressed, the corresponding network-side of the key not being pressed is in low level state, does not influence script key
Function；When the first key SW1 and the second key SW2 are pressed, the first network end NET1 and described
Voltage meets the first key SW1 and the second key SW2 originally all in high level state at two network-side NET2 two
Keypress function demand.
Specifically, the switching circuit 200 includes the 6th resistance R6,3rd resistor R3 and the 5th resistance R5；Wherein,
The first end of the 6th resistance R6 is connect with the output end of the first power supply VCC1, the 6th resistance R6's
Second end is separately connected with the second end of the first resistor R1 and the second end of the second resistance R2, the 3rd resistor R3
First end connect with the second end of the 6th resistance R6, the second end of the 3rd resistor R3 and the 5th resistance R5's
First end connection, the second end ground connection of the 5th resistance R5.
It should be noted that the 3rd resistor R3 and the 5th resistance R5 form bleeder circuit in the present embodiment；?
When the first key SW1 and the second key SW2 are not pressed, the voltage of the first power supply VCC1 flows through described
Six resistance R6 are to be input to the first triode Q1.
Specifically, the switching circuit 200 further includes the first triode Q1 and the 4th resistance R4；Wherein,
The first of the base stage of the first triode Q1 and the second end of the 3rd resistor R3 and the 5th resistance R5
End is separately connected, the emitter ground connection of the first triode Q1, the collector of the first triode Q1 and the 4th electricity
The first end and the reset terminal RESET for hindering R4 are separately connected, and the second end of the 4th resistance R4 is with second source VCC2's
Output end connection.
It should be noted that not being pressed in the present embodiment in the first key SW1 and the second key SW2
Or any one when being pressed, the combination button circuit 100 exports the base stage of cut-off signals to the first triode Q1,
The first triode Q1 is in the state of not turning on due to voltage does not reach triode ON voltage between base stage and emitter,
The i.e. described second source VCC2 exports the first level signal to the reset terminal via the second end of the 4th resistance R4
Low-level reset function is not implemented everywhere in high level state in RESET, i.e., the described reset terminal RESET；In first key
When SW1 and the second key SW2 are pressed, the combination button circuit 100 exports Continuity signal to the one or three pole
The base stage of pipe Q1, the first triode Q1 are on due to voltage reaches triode ON voltage between base stage and emitter
State, i.e., the described second source VCC2 export second electrical level signal to the reset terminal via the second end of the 4th resistance R4
RESET, i.e., the described reset terminal RESET realize low-level reset function everywhere in low level state, and system is resetted.
Specifically, the combination button circuit 100 is connect with the first power supply VCC1, the combination button circuit 100
Also be separately connected with the first network end NET1 and the second network-side NET2, the combination button circuit 100 also with institute
The connection of switching circuit 200 is stated, the switching circuit 200 also connects with the second source VCC2 and the reset terminal RESET respectively
It connects.
It should be noted that, by setting combination button circuit 100 and switching circuit 200, foring one in the present embodiment
Kind combination button reset circuit, can simplify circuit to reduce cost, and functionally can be realized the demand of system reset.
The utility model also proposes that a kind of combination button resetting apparatus, the combination button resetting apparatus include as described above
Combination button reset circuit.
The combination button resetting apparatus includes said combination key reset circuit, the specific knot of the combination button reset circuit
Structure is referring to above-described embodiment, since this combination button resetting apparatus uses whole technical solutions of above-mentioned all embodiments, because
This at least has all beneficial effects brought by the technical solution of above-described embodiment, and this is no longer going to repeat them.
The utility model also proposes that a kind of electronic product, the electronic product include that combination button as described above resets dress
It sets.
The electronic product includes said combination key resetting apparatus, and the specific structure of the combination button resetting apparatus is referring to upper
Embodiment is stated, since this electronic product uses whole technical solutions of above-mentioned all embodiments, at least there is above-mentioned reality
All beneficial effects brought by the technical solution of example are applied, this is no longer going to repeat them.
The electronic product can be applied in the system with battery product.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind of combination button reset circuit, which is characterized in that the combination button reset circuit include combination button circuit and
Switching circuit；Wherein, the combination button circuit includes the first key circuit and the second key circuit, first key circuit
Including the first key, second key circuit includes the second key；
The combination button circuit, in first key and second key is not pressed or any one quilt
When pressing, cut-off signals are exported；When first key and second key are pressed, Continuity signal is exported；
The switching circuit, for the disconnection when receiving the cut-off signals, to export the first level signal to reset terminal；?
Conducting when receiving the Continuity signal realizes system reset to export second electrical level signal to reset terminal.
2. combination button reset circuit as described in claim 1, which is characterized in that first key circuit includes the first electricity
Resistance, the 8th resistance and the tenth resistance；Wherein,
The first end of 8th resistance is connect with the output end of the first power supply, the second end and described first of the 8th resistance
The first end of key connects, and the of the first end of the second end of first key and the first resistor, the tenth resistance
One end and first network end are separately connected, and the second end of the first resistor is connect with the switching circuit, the tenth resistance
Second end ground connection.
3. combination button reset circuit as claimed in claim 2, which is characterized in that second key circuit includes the second electricity
Resistance, the 7th resistance and the 9th resistance；Wherein,
The first end of 7th resistance is connect with the output end of first power supply, the second end of the 7th resistance with it is described
The first end of second key connects, the second end of second key and first end, the 9th resistance of the second resistance
First end and the second network-side be separately connected, the second end of the second end of the second resistance and the first resistor and described
Switching circuit is separately connected, the second end ground connection of the 9th resistance.
4. combination button reset circuit as claimed in claim 3, which is characterized in that the switching circuit include the 6th resistance,
3rd resistor and the 5th resistance；Wherein,
The first end of 6th resistance is connect with the output end of first power supply, the second end of the 6th resistance with it is described
The second end of the second end of first resistor and the second resistance is separately connected, the first end of the 3rd resistor and the described 6th
The second end of resistance connects, and the second end of the 3rd resistor is connect with the first end of the 5th resistance, the 5th resistance
Second end ground connection.
5. combination button reset circuit as claimed in claim 4, which is characterized in that the switching circuit further includes the one or three pole
Pipe and the 4th resistance；Wherein,
The base stage of first triode and the first end of the second end of the 3rd resistor and the 5th resistance are separately connected,
The emitter of first triode is grounded, the first end of the collector of first triode and the 4th resistance and described
Reset terminal is separately connected, and the second end of the 4th resistance and the output end of second source connect.
6. combination button reset circuit as claimed in claim 5, which is characterized in that the combination button circuit and described first
Power supply connection, the combination button circuit are also separately connected with the first network end and second network-side, the combination
Key circuit is also connect with the switching circuit, and the switching circuit also connects with the second source and the reset terminal respectively
It connects.
7. a kind of combination button resetting apparatus, which is characterized in that the combination button resetting apparatus includes such as claim 1 to 6
Combination button reset circuit described in any one.
8. a kind of electronic product, which is characterized in that the electronic product includes that combination button as claimed in claim 7 resets dress
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328441.2U CN209357010U (en) | 2019-03-13 | 2019-03-13 | Combination button reset circuit, device and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328441.2U CN209357010U (en) | 2019-03-13 | 2019-03-13 | Combination button reset circuit, device and electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209357010U true CN209357010U (en) | 2019-09-06 |
Family
ID=67804173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920328441.2U Expired - Fee Related CN209357010U (en) | 2019-03-13 | 2019-03-13 | Combination button reset circuit, device and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209357010U (en) |
-
2019
- 2019-03-13 CN CN201920328441.2U patent/CN209357010U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 |