CN204290914U - Reset circuit and electronic equipment - Google Patents
Reset circuit and electronic equipment Download PDFInfo
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- CN204290914U CN204290914U CN201420741205.0U CN201420741205U CN204290914U CN 204290914 U CN204290914 U CN 204290914U CN 201420741205 U CN201420741205 U CN 201420741205U CN 204290914 U CN204290914 U CN 204290914U
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Abstract
The utility model discloses a kind of reset circuit, this reset circuit comprises output module, switch module, power module, control module, control module connects at least two, outside button, control module is connected with the start end of output module by switch module, and the output of output module is connected with power module; Wherein, when the two or more button at least two buttons is pressed simultaneously, control module sends level signal to switch module, switch module controls output module conducting based on received level signal, output module exports reset signal to power module, controls power module power down to reset.The invention also discloses a kind of electronic equipment.It is inconvenient with the electronic product reset operation of intelligent control chip that the utility model solves existing sound equipment etc., and the technical problem that cost is higher.
Description
Technical field
The utility model relates to electronic device field, particularly relates to a kind of reset circuit and electronic equipment.
Background technology
Electronic product, such as sound equipments etc. are with the electronic product of intelligent control chip, in use program fleet can be run into unavoidably, the phenomenon that chip crashes, and current solution is substantially all the outer setting reset key at product, carrys out control chip power-off restoration by reset key, or whole device powers down is restarted, these two kinds of methods operate cumbersome, and waste time and energy, and inconvenient people use; And, this mode is due to needs perforate increase a key position on product shell, so that considerably increase the cost of product, and it is also inconvenient to operate, sharp-pointed object is needed to go to touch reset key, particularly in the acoustic product of small size, due to the bass requirement of sound equipment, the via hole for reset key place also needs to do anti-gas-leak measure.
Utility model content
Main purpose of the present utility model is to solve the technical problem with the electronic product reset operation inconvenience of intelligent control chip such as sound equipment.
For achieving the above object, the utility model provides a kind of reset circuit, described reset circuit comprises output module, switch module, power module, control module, described control module connects at least two, outside button, described control module is connected by the start end of described switch module with described output module, the output of described output module is connected with described power module, and described switch module comprises the first switching tube; Wherein, when the two or more button in described at least two buttons is pressed simultaneously, described control module sends level signal to described switch module, described first switching tube controls described output module conducting based on received level signal, described output module exports reset signal to described power module, controls described power module power down to reset.
Preferably, described control module comprises DC power supply, the first control unit, the second control unit and switch module, described first control unit is connected with described DC power supply with the input of described second control unit, described first control unit is connected with the trigger end of described switch module with the output of described second control unit, described first control unit comprises the first signal end be connected with external key described in, and described second control unit comprises the secondary signal end be connected with external key described in; Wherein, described first control unit and described second control unit are used for when described first signal end and secondary signal receiving terminal all receive low level signal, and the first switching tube controlled in described switch module turns off; Described first switching tube is used for, when turning off, controlling described output module conducting, and described output module exports reset signal to described power module, controls described power module power down to reset.
Preferably, described first control unit comprises the first resistance and the second resistance; Described second control unit comprises the 3rd resistance and the 4th resistance; One end of described first resistance is connected with the power output end of described DC power supply, and one end is connected with one end of described second resistance in addition; One end of described 3rd resistance is connected with the power output end of described DC power supply, one end is connected with one end of described 4th resistance in addition, is also connected with the trigger end of described switch module after other one end of described second resistance interconnects with other one end of described 4th resistance.
Preferably, described switch module also comprises the 5th resistance, described first switching tube is triode, the base stage of described first switching tube is connected with the common port of described second resistance and the 4th resistance, the collector electrode of described first switching tube is connected with the power output end of described DC power supply through described 5th resistance, the output of the very described switch module of current collection of described first switching tube, the grounded emitter of described first switching tube.
Preferably, described switch module also comprises the first electric capacity and the 6th resistance, and one end of described 6th resistance is connected with the common port of described 3rd resistance and the 4th resistance, and one end is connected with the base stage of described first switching tube in addition; One end of described first electric capacity is connected with the common port of described 3rd resistance and the 4th resistance, one end ground connection in addition.
Preferably, described output module comprises second switch pipe, and the base stage of described second switch pipe is connected with the collector electrode of described first switching tube, the grounded emitter of described second switch pipe, the output of the very described output module of current collection of described second switch pipe.
Preferably, described output module also comprises the second electric capacity and the 7th resistance, and one end of described second electric capacity and described 7th resistance is connected with the collector electrode of described first switching tube, other one end ground connection of described second electric capacity; Other one end of described 7th resistance is connected with the base stage of described second switch pipe.
Preferably, described second switch pipe is triode.
Preferably, the reset signal that described output module exports is high level signal or low level signal.
In addition, for achieving the above object, the utility model also provides a kind of electronic equipment, and described electronic equipment comprises reset circuit as above; Described reset circuit comprises output module, switch module, power module, control module, described control module connects at least two, outside button, described control module is connected by the start end of described switch module with described output module, the output of described output module is connected with described power module, and described switch module comprises the first switching tube; Wherein, when the two or more button in described at least two buttons is pressed simultaneously, described control module sends level signal to described switch module, described first switching tube controls described output module conducting based on received level signal, described output module exports reset signal to described power module, controls described power module power down to reset.
The utility model is by arranging output module, switch module, power module, control module, described control module connects at least two, outside button, described control module is connected by the start end of described switch module with described output module, the output of described output module is connected with described power module, and described switch module comprises the first switching tube; Wherein, when the two or more button in described at least two buttons is pressed simultaneously, described control module sends level signal to described switch module, described first switching tube controls described output module conducting based on received level signal, described output module exports reset signal to described power module, controls described power module power down to reset.The utility model achieves simple, the lower-cost reset circuit of a kind of circuit structure, make the intelligent control chip of electronic product when crashing or needing reset to restart, two buttons or the more button that only need press setting just can realize reset operation simultaneously, very simply.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model reset circuit preferred embodiment;
Fig. 2 is the electrical block diagram of the utility model reset circuit preferred embodiment.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of reset circuit, is applicable to intelligent control chip and has in the electronic equipment of at least two external function buttons, for resetting to the power module of its control chip, to realize realizing reset operation when control chip crashes.Wherein, electronic equipment is intelligent sound such as, and when this electronic equipment is intelligent sound, function button can select volume add-substract key or Pause key.
With reference to Fig. 1 and Fig. 2, in one embodiment, described reset circuit comprises control module 10, switch module 20, output module 30 and power module 40, described control module 10 connects at least two, outside button, described control module 10 is connected with the trigger end of described switch module 20, the input end grounding of described switch module 20, the output of described switch module 20 is connected with described output module 30; Described in the output of described output module 30, power module 40 connects, described switch module 20 comprises the first switching tube Q1, the first DC power supply (scheming not shown), the first electric capacity C1, the 5th resistance R5 and the 6th resistance R6, one end of described 6th resistance R6 is connected with one end of described first electric capacity C1, other one end of described 6th resistance R6 is connected with the base stage of described first switching tube Q1, other one end ground connection of described first electric capacity C1; The grounded emitter of described first switching tube Q1, the collector electrode of described first switching tube Q1 is connected with the power output end of described first DC power supply through described 5th resistance R5; The public connecting end of described 6th resistance R6 and described first electric capacity C1 is the trigger end of described switch module 20, the input of the very described switch module 20 of transmitting of described first switching tube Q1, the output of the very described switch module 20 of current collection of described first switching tube Q1.
Wherein, when the two or more button in described at least two buttons is pressed simultaneously, described control module 10 sends level signal to described switch module 20, described first switching tube Q1 controls the conducting of described output module 30 based on received level signal, described output module 30 exports reset signal to described power module 40, controls the power down of described power module 40 to reset.
Above-mentioned power module 40 is the power supply of intelligent control chip in electronic equipment, by resetting to this power module 40, thus realizes the reset function of this intelligent control chip.The level signal that above-mentioned control module 10 sends to described switch module 20 can low level signal, also can be high level signal.The reset signal that the output Uo of output module 10 exports power module 40 to can be low level signal, can be also high level signal, not be restricted herein, in the middle of practical application, should select according to the function of the intelligent control chip of electronic equipment.
The utility model reset circuit is by arranging control module 10, switch module 20, output module 30 and power module 40, described control module 10 connects at least two buttons on electronic equipment, described control module 10 is connected with described output module 30 by described switch module 20, and described power module 40 is connected with described output module 30; Wherein, when the two or more button in described at least two buttons is pressed simultaneously, described control module 10 sends level signal to described switch module 20, described switch module 20 controls the conducting of described output module 30 based on received level signal, described output module 30 exports the power module 40 in reset signal to described electronic equipment, controls the power down of described power module 40 to reset.The utility model achieves simple, the lower-cost reset circuit of a kind of circuit structure, make the intelligent control chip of electronic product when crashing or needing reset to restart, two buttons or the more button that only need press setting just can realize reset operation simultaneously, very simply.
Particularly, described control module 10 comprises the second DC power supply VCC, the first control unit 11, second control unit 12.Described first control unit 11 is connected with described second DC power supply VCC with the input of described second control unit 12, described first control unit 11 is connected with the trigger end of described switch module 20 with the output of described second control unit 12, described first control unit 11 comprises the first signal end K1 be connected with external key described in, and described second control unit 12 comprises the secondary signal end K2 be connected with external key described in; Wherein, described first control unit 11 and described second control unit 12 are for when described first signal end K1 and secondary signal receiving terminal K2 receives low level signal, control described switch module 20 to turn off, namely the first switching tube Q1 in control switch module 20 turns off, described first switching tube Q1 is used for when turning off, control described first DC power supply out-put supply to described output module 30, power on to control output module 30 and export reset signal.It should be noted that, in actual applications, in order to simplify circuit, the first DC power supply in above-mentioned switch module 20 and the second DC power supply VCC in control module 10 can be same DC power supply.
Above-mentioned first control unit 11 comprises the first resistance R1 and the second resistance R2; Described second control unit 12 comprises the 3rd resistance R3 and the 4th resistance R4; One end of described first resistance R1 is connected with the power output end of described second DC power supply VCC, and one end is connected with one end of described second resistance R2 in addition; One end of described 3rd resistance R3 is connected with the power output end of described second DC power supply VCC, one end is connected with one end of described 4th resistance R4 in addition, after other one end of described second resistance R2 and other one end of described 4th resistance R4 interconnect, also connect the public connecting end of described 6th resistance R6 and described first electric capacity C1.Wherein, the connected node of described first resistance R1 and the second resistance R2 is described first signal end K1, and the connected node of described 3rd resistance R3 and the 4th resistance R4 is described secondary signal end K2.
Above-mentioned output module 30 comprises second switch pipe Q2, the base stage of described second switch pipe Q2 is connected with the collector electrode of described first switching tube Q1, the grounded emitter of described second switch pipe Q2, the output of the very described output module 30 of current collection of described second switch pipe Q2, for exporting reset signal.
Further, described output module 30 also comprises the second electric capacity C2 and the 7th resistance R7.This second electric capacity C2 is filter capacitor.
Wherein, also be connected with the collector electrode of described first switching tube Q1 after one end of described second electric capacity C2 interconnects with one end of described 7th resistance R7, other one end ground connection of described second electric capacity C2, other one end of described 7th resistance R7 is connected with the base stage of described second switch pipe Q2.
In addition, it should be noted that, above-mentioned first switching tube Q1 and described second switch pipe Q2 can be triode or metal-oxide-semiconductor, is preferably NPN type triode in the present embodiment.
The concrete principle of the utility model circuit is as follows:
Set forth for two buttons in Fig. 2, and control module 10 and switch module 20 share described second DC power supply VCC.Wherein said two buttons are respectively the first button 100 and the second button 200.With reference to Fig. 2, the first signal end K1 is connected with the first button 100, and secondary signal end K2 is connected with the second button 200.Wherein, when the first button 100 and the second button 200 are not pressed, the first signal end K1 and secondary signal end K2 input high level signal, now, the first switching tube Q1 conducting, second switch pipe Q2 closes, and the collector electrode no signal of second switch pipe Q2 exports.
When the first button and the second button 200 are all pressed, the equal input low level signal of the first signal end K1 and secondary signal end K2, now, the first switching tube Q1 closes, and second switch pipe Q2 conducting, exports the low level signal of emitter, as the reset signal of chip.
When only having a button to press, such as the first button 100 is pressed, when second button 200 is not pressed, first signal end K1 input low level signal, secondary signal end K2 input high level signal, now, second DC power supply VCC will export the base stage of the first switching tube Q1 to by high level signal by the 3rd resistance R3 and the 4th resistance R4, first switching tube Q1 still conducting, then second switch pipe Q2 closes, and the collector electrode no signal of second switch pipe Q2 exports.
Be understandable that, first button 100 and the second button 200 itself have corresponding function, controlled conducting and the closedown of the first switching tube Q1 by two paths of signals in this circuit, make one of them button needs use its independently function and press time, can not by chip reset, ensure that the standalone feature of original button, circuit can not be made to occur interference.
The utility model also provides a kind of electronic equipment, and this electronic equipment comprises above-mentioned reset circuit; The detailed construction of described reset circuit can refer to above-described embodiment, repeats no more herein; Be understandable that, owing to employing above-mentioned reset circuit in the electronic device, therefore, the embodiment of this electronic equipment comprises whole technical schemes of the whole embodiment of above-mentioned reset circuit, and the technique effect reached is also identical, does not repeat them here.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a reset circuit, it is characterized in that, described reset circuit comprises output module, switch module, power module, control module, described control module connects at least two, outside button, described control module is connected by the start end of described switch module with described output module, the output of described output module is connected with described power module, described switch module comprises the first switching tube, wherein, when the two or more button in described at least two buttons is pressed simultaneously, described control module sends level signal to described switch module, described first switching tube controls described output module conducting based on received level signal, described output module exports reset signal to described power module, control described power module power down to reset.
2. reset circuit as claimed in claim 1, it is characterized in that, described control module comprises DC power supply, the first control unit, the second control unit, described first control unit is connected with described DC power supply with the input of described second control unit, described first control unit is connected with the trigger end of described switch module with the output of described second control unit, described first control unit comprises the first signal end be connected with external key described in, and described second control unit comprises the secondary signal end be connected with external key described in; Wherein, described first control unit and described second control unit are used for when described first signal end and secondary signal receiving terminal all receive low level signal, and the first switching tube controlled in described switch module turns off; Described first switching tube is used for, when turning off, controlling described output module conducting, and described output module exports reset signal to described power module, controls described power module power down to reset.
3. reset circuit as claimed in claim 2, it is characterized in that, described first control unit comprises the first resistance and the second resistance; Described second control unit comprises the 3rd resistance and the 4th resistance; One end of described first resistance is connected with the power output end of described DC power supply, and one end is connected with one end of described second resistance in addition; One end of described 3rd resistance is connected with the power output end of described DC power supply, one end is connected with one end of described 4th resistance in addition, is also connected with the trigger end of described switch module after other one end of described second resistance interconnects with other one end of described 4th resistance.
4. reset circuit as claimed in claim 3, it is characterized in that, described switch module also comprises the 5th resistance, described first switching tube is triode, the base stage of described first switching tube is connected with the common port of described second resistance and the 4th resistance, the collector electrode of described first switching tube is connected with the power output end of described DC power supply through described 5th resistance, the output of the very described switch module of current collection of described first switching tube, the grounded emitter of described first switching tube.
5. reset circuit as claimed in claim 4, it is characterized in that, described switch module also comprises the first electric capacity and the 6th resistance, and one end of described 6th resistance is connected with the common port of described 3rd resistance and the 4th resistance, and one end is connected with the base stage of described first switching tube in addition; One end of described first electric capacity is connected with the common port of described 3rd resistance and the 4th resistance, one end ground connection in addition.
6. reset circuit as claimed in claim 1, it is characterized in that, described output module comprises second switch pipe, the base stage of described second switch pipe is connected with the collector electrode of described first switching tube, the grounded emitter of described second switch pipe, the output of the very described output module of current collection of described second switch pipe.
7. reset circuit as claimed in claim 6, it is characterized in that, described output module also comprises the second electric capacity and the 7th resistance, and one end of described second electric capacity and described 7th resistance is connected with the collector electrode of described first switching tube, other one end ground connection of described second electric capacity; Other one end of described 7th resistance is connected with the base stage of described second switch pipe.
8. reset circuit as claimed in claim 7, it is characterized in that, described second switch pipe is triode.
9. reset circuit as claimed in claim 1, is characterized in that, the reset signal that described output module exports is high level signal or low level signal.
10. an electronic equipment, is characterized in that, described electronic equipment comprises the reset circuit as described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741205.0U CN204290914U (en) | 2014-11-28 | 2014-11-28 | Reset circuit and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741205.0U CN204290914U (en) | 2014-11-28 | 2014-11-28 | Reset circuit and electronic equipment |
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| CN204290914U true CN204290914U (en) | 2015-04-22 |
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| CN201420741205.0U Active CN204290914U (en) | 2014-11-28 | 2014-11-28 | Reset circuit and electronic equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325448A (en) * | 2016-08-17 | 2017-01-11 | 联发科技（新加坡）私人有限公司 | Reset circuit and electronic equipment |
| CN106788360A (en) * | 2017-01-24 | 2017-05-31 | 深圳市冠旭电子股份有限公司 | A kind of reset circuit |
| CN107272864A (en) * | 2017-05-05 | 2017-10-20 | 深圳市金立通信设备有限公司 | A kind of reset circuit, battery and electronic equipment |
| CN107978041A (en) * | 2017-11-24 | 2018-05-01 | 浙江创力电子股份有限公司 | There is the electron key restarted |
| CN108173537A (en) * | 2018-01-02 | 2018-06-15 | 京东方科技集团股份有限公司 | Restart circuit and electronic equipment |
| CN110034752A (en) * | 2019-05-05 | 2019-07-19 | 厦门美图之家科技有限公司 | Face cleaning instrument and face cleaning instrument control method |
| CN111625076A (en) * | 2020-04-14 | 2020-09-04 | 深圳微步信息股份有限公司 | Peripheral power-off restart control circuit and computer |
| CN114675732A (en) * | 2022-03-15 | 2022-06-28 | 深圳市豪恩声学股份有限公司 | Reset circuit, electronic equipment and reset system |
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2014
- 2014-11-28 CN CN201420741205.0U patent/CN204290914U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325448B (en) * | 2016-08-17 | 2019-04-12 | 联发科技（新加坡）私人有限公司 | A kind of reset circuit and electronic equipment |
| CN106325448A (en) * | 2016-08-17 | 2017-01-11 | 联发科技（新加坡）私人有限公司 | Reset circuit and electronic equipment |
| CN106788360B (en) * | 2017-01-24 | 2023-04-07 | 深圳市冠旭电子股份有限公司 | Reset circuit |
| CN106788360A (en) * | 2017-01-24 | 2017-05-31 | 深圳市冠旭电子股份有限公司 | A kind of reset circuit |
| CN107272864A (en) * | 2017-05-05 | 2017-10-20 | 深圳市金立通信设备有限公司 | A kind of reset circuit, battery and electronic equipment |
| CN107978041A (en) * | 2017-11-24 | 2018-05-01 | 浙江创力电子股份有限公司 | There is the electron key restarted |
| CN107978041B (en) * | 2017-11-24 | 2024-03-12 | 浙江创力电子股份有限公司 | Electronic key with restarting function |
| CN108173537A (en) * | 2018-01-02 | 2018-06-15 | 京东方科技集团股份有限公司 | Restart circuit and electronic equipment |
| CN108173537B (en) * | 2018-01-02 | 2021-12-31 | 京东方科技集团股份有限公司 | Restart circuit and electronic equipment |
| CN110034752A (en) * | 2019-05-05 | 2019-07-19 | 厦门美图之家科技有限公司 | Face cleaning instrument and face cleaning instrument control method |
| CN110034752B (en) * | 2019-05-05 | 2023-06-13 | 厦门美图之家科技有限公司 | Face cleaner and face cleaner control method |
| CN111625076B (en) * | 2020-04-14 | 2022-03-18 | 深圳微步信息股份有限公司 | Peripheral power-off restart control circuit and computer |
| CN111625076A (en) * | 2020-04-14 | 2020-09-04 | 深圳微步信息股份有限公司 | Peripheral power-off restart control circuit and computer |
| CN114675732A (en) * | 2022-03-15 | 2022-06-28 | 深圳市豪恩声学股份有限公司 | Reset circuit, electronic equipment and reset system |
| CN114675732B (en) * | 2022-03-15 | 2023-12-12 | 深圳市豪恩声学股份有限公司 | Reset circuit, electronic equipment and reset system |
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