CN110958007A - Combined startup and shutdown restarting circuit - Google Patents
Combined startup and shutdown restarting circuit Download PDFInfo
- Publication number
- CN110958007A CN110958007A CN201911380866.9A CN201911380866A CN110958007A CN 110958007 A CN110958007 A CN 110958007A CN 201911380866 A CN201911380866 A CN 201911380866A CN 110958007 A CN110958007 A CN 110958007A
- Authority
- CN
- China
- Prior art keywords
- power supply
- switch
- terminal
- power
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Sources (AREA)
Abstract
The invention discloses a combined startup and shutdown restarting circuit, which comprises: the power supply device comprises a switch key, a switch control module, a power supply module and a restart control module, wherein the output end of the switch key is connected with the switch control module and the restart control module; the switch control module is used for outputting a switch signal to the power supply module when the switch key is pressed down, and controlling the power supply/disconnection of the power supply module so as to correspondingly switch on/off the equipment; the restarting control module is used for outputting a restarting signal to the power supply module when the switch key is pressed for a long time, and controlling the power supply module to stop supplying power so as to restart the equipment; the power supply module is used for receiving the switching signal or the restarting signal and controlling the power supply state of the equipment according to the switching signal and the restarting signal. The startup and shutdown of the equipment are realized through the switch key by integrating the restart key and the startup and shutdown key, the limitation of an equipment system software program is avoided, and an additional structure is not required to be added.
Description
Technical Field
The invention relates to a startup and shutdown circuit, in particular to a combined startup and shutdown restart circuit.
Background
In the existing electronic products, the shutdown and restart functions are realized by recognizing the state of a startup key through software, or by setting an independent reset key on the product itself.
When the product is in an unknown state, the mode of identifying the state of the power-on key through software is not stable and reliable any more, and the problem of incapability of powering off or restarting is often caused under the condition; the customer experience and the reliability of the product are seriously influenced; and the arrangement of the independent restart key brings difficulties to the design of product structure appearance, hardware design and cost control.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a combined startup and shutdown restarting circuit.
In order to achieve the purpose, the invention adopts the following technical scheme: a combined power on/off restart circuit, comprising: the power supply device comprises a switch key, a switch control module, a power supply module and a restart control module, wherein the output end of the switch key is connected with the switch control module and the restart control module, and the switch control module and the restart control module are connected with the power supply module;
the switch control module is used for outputting a switch signal to the power supply module when the switch key is pressed down, and controlling the power supply/disconnection of the power supply module so as to correspondingly switch on/off the equipment;
the restarting control module is used for outputting a restarting signal to the power supply module when the switch key is pressed for a long time, and controlling the power supply module to stop supplying power so as to restart the equipment;
the power supply module is used for receiving a switching signal from the switching control module or a restarting signal of the restarting control module and controlling the power supply state of the equipment according to the switching signal and the restarting signal.
Further, the power supply module includes power supply module and power supply chip U10, worker's power supply module's first termination power input, second termination the VCC end pin of power supply chip U10, give input power output the power supply chip U10, the VOUT end pin output by power supply chip U10 is the equipment power supply.
Furthermore, the power supply module comprises a triode Q103 and two diodes D14, the first power input end is connected with the pin No. 3 of the triode Q103, the pin No. 1 and the second power input end of the triode Q103 are connected with the anodes of the two diodes D14, and the cathodes of the two diodes D14 and the pin No. 2 of the triode Q103 are connected with the VCC pin of the chip U10.
Furthermore, the switch control module comprises a signal output submodule and a detection submodule, a first end of the signal output submodule is connected with the switch key, a second end of the signal output submodule is connected with the power supply module, the detection submodule is connected with the switch key and the signal output submodule, the signal output submodule is used for outputting a switch signal to the power supply module, and the detection submodule is used for checking the shutdown requirement of the equipment and informing the signal output submodule.
Further, the signal output submodule includes a central processing unit, diodes D13 and D15, and a resistor R52, an output terminal of the switch key is connected to an anode of the diode D15, a PWR-LATCH terminal pin of the central processing unit is connected to an anode of the diode D13, cathodes of the diodes D13 and D15 are connected to a first terminal of the resistor R52, a second terminal of the resistor R52 is connected to a CE terminal pin of the power supply chip U10, and a high level signal or a low level signal is output to the CE terminal pin of the power supply chip U10 through the PWR-LATCH terminal pin of the central processing unit to control the power supply chip U10 to supply/cut off power, so that the device is correspondingly turned on/off.
Furthermore, the detection submodule comprises a resistor R64, a first end of the resistor R64 is connected with an output end of the switch KEY, and a second end of the resistor R64 is connected with a KEY-COL3 terminal pin of the central processing unit. The above central processing unit is also referred to as a cpu (central processing unit).
Furthermore, the restart control module comprises a delay submodule and a triode Q105, wherein the first end of the delay submodule is connected with the output end of the switch key, the second end of the delay submodule is connected with the pin 1 of the triode Q105, the pin 2 of the triode Q105 is grounded, and the pin 3 of the triode Q105 is connected with the pin CE of the power supply chip U10.
Furthermore, the delay submodule comprises a capacitor C55 and a resistor R66, a first end of the resistor R66 is connected to the output end of the switch button, a second end of the resistor R3526 is connected to the first end of the capacitor C55 and the pin No. 1 of the triode Q105, and a second end of the capacitor C55 is grounded.
Furthermore, the delay submodule further comprises a diode D102 and a resistor R67, the first end of the resistor R67 is connected to the second end of the resistor R66, the second end of the resistor R67 is grounded, the cathode of the diode D102 is connected to the first end of the resistor R66, and the anode of the diode D102 is connected to the second end of the resistor R66.
Furthermore, the terminal pin VOUT of the power supply chip U10 is further connected to first terminals of a capacitor C52 and a capacitor C51, and second terminals of the capacitor C52 and the capacitor C51 are grounded.
Compared with the prior art, the invention has the beneficial effects that: the combined startup and shutdown restarting circuit provided by the invention integrates the restarting key and the startup and shutdown key, and realizes startup and shutdown and restarting of equipment through the switching key. When a switch key is pressed down, the switch control module outputs a corresponding switch signal to control the on/off of the equipment; after the switch key is pressed for a long time, the restarting control module outputs a restarting signal to restart the equipment, the limitation of a system software program of the equipment is avoided, the startup, shutdown and restarting of the equipment can be realized in a state that the software program of the equipment cannot work, meanwhile, an additional reset key does not need to be added to the equipment, the requirement of structural design is reduced, and the structural design cost is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.
Drawings
FIG. 1 is a schematic circuit diagram of a combined power on/off restart circuit according to the present invention;
FIG. 2 is a schematic diagram of a switch control module of the combined power on/off restart circuit of the present invention;
fig. 3 is a circuit diagram of the combined power on/off restart circuit of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Referring to fig. 1, the composite startup and shutdown restart circuit provided in the present invention includes: the power supply device comprises a switch key, a switch control module 10, a power supply module 20 and a restart control module 30, wherein the output end of the switch key is connected with the switch control module 10 and the restart control module 30, and the switch control module 10 and the restart control module 30 are connected with the power supply module 20. The switch control module 10 is configured to output a switch signal to the power supply module 20 when the switch key is pressed, and control the power supply/cut-off of the power supply module 20 to correspondingly turn on/off the device; the restart control module 30 is configured to output a restart signal to the power supply module 20 when the switch key is pressed for a long time, and control the power supply module 20 to stop supplying power, so as to restart the device; the power supply module 20 is configured to receive a switching signal from the switching control module 10 or a restart signal from the restart control module 30, and control a power supply state of the device according to the switching signal and the restart signal.
The combined startup and shutdown restarting circuit provided by the invention integrates the restarting key and the startup and shutdown key, and realizes startup and shutdown and restarting of equipment through the switching key. When a switch key is pressed down, the switch control module 10 outputs a corresponding switch signal to control the on/off of the equipment; after the switch key is pressed for a long time, the restart control module 30 outputs a restart signal to restart the equipment, the limitation of a software program of the equipment system is avoided, the startup, shutdown and restart of the equipment can be realized in a state that the software program of the equipment cannot work, meanwhile, an additional reset key does not need to be added to the equipment, the requirement of structural design is reduced, and the structural design cost is reduced.
Specifically, the power supply module 20 includes a power supply module and a power supply chip U10, the first terminal of the power supply module is connected to the power input, the second terminal is connected to the VCC terminal pin of the power supply chip U10, the input power is output to the power supply chip U10, and the VOUT terminal pin of the power supply chip U10 outputs power to the device. The power supply input is output to the power supply chip U10 through the power supply sub-module, and the power supply and the power off of the equipment are realized through the power supply chip U10, so that the on-off and the restart of the equipment are realized.
As shown in fig. 3, the power supply module includes a transistor Q103, two diodes D14, the first power input terminal is connected to the pin No. 3 of the transistor Q103, the pin No. 1 and the second power input terminal of the transistor Q103 are connected to the anodes of the two diodes D14, and the cathodes of the two diodes D14 and the pin No. 2 of the transistor Q103 are connected to the VCC pin of the chip U10.
Specifically, as shown in fig. 2, the switch control module 10 includes a signal output submodule 11 and a detection submodule 12, a first end of the signal output submodule 11 is connected to the switch button, a second end of the signal output submodule 11 is connected to the power supply module 20, the detection submodule 12 is connected to the switch button and the signal output submodule 11, the signal output submodule 11 is used for outputting a switch signal to the power supply module 20, where the switch signal includes a power-on signal and a power-off signal, the detection submodule 12 is used for checking the power-off requirement of the device, and notifies the signal output submodule 11 to output the power-off signal according to the power-off requirement, and controls the power supply module 20 to stop supplying power.
As shown in fig. 3, the signal output submodule 11 includes a central processing unit, diodes D13 and D15, and a resistor R52, the output terminal of the switch key is connected to the anode of the diode D15, the PWR-LATCH terminal pin of the central processing unit is connected to the anode of the diode D13, the cathodes of the diodes D13 and D15 are connected to the first terminal of the resistor R52, the second terminal of the resistor R52 is connected to the CE terminal pin of the power supply chip U10, the central processing unit outputs a high level signal or a low level signal to the CE terminal pin of the power supply chip U10 through the PWR-LATCH terminal pin, and controls the power supply chip U10 to supply/cut off power, so as to turn on/off the device. In this embodiment, the power-on signal is a high-level signal, and the power-off signal is a low-level signal. Referring to fig. 3, when the switch key K1 is pressed, PWR-EN is at high level, U10 is turned on to output 3.3v to supply power to the device, the signal output submodule 11 outputs a high level signal to keep PWR-EN at high level, the power-on process is completed, and the device continuously supplies power normally.
Specifically, the detection submodule 12 includes a resistor R64, a first end of the resistor R64 is connected to an output terminal of the switch KEY, and a second end of the resistor R64 is connected to a KEY-COL3 terminal pin of the central processing unit. Referring to fig. 3, when the device is normally powered on, the switch KEY K1 is pressed, the device detects a shutdown request through the KEY-COL3 terminal pin of the central processing unit, and after the user confirms that shutdown is required on the device operating system, the signal output sub-module 11 outputs a low level through the PWR-LATCH terminal pin of the central processing unit, so that the power supply chip U10 stops working, and the device is powered off.
Specifically, the restart control module 30 includes a delay submodule and a transistor Q105, a first terminal of the delay submodule is connected to the output terminal of the switch key, a second terminal is connected to the terminal pin 1 of the transistor Q105, the terminal pin 2 of the transistor Q105 is grounded, and the terminal pin 3 of the transistor Q105 is connected to the CE terminal pin of the power supply chip U10.
Referring to fig. 3, the delay submodule includes a capacitor C55 and a resistor R66, a first terminal of the resistor R66 is connected to the output terminal of the switch button, a second terminal is connected to a first terminal of the capacitor C55 and the pin No. 1 of the transistor Q105, and a second terminal of the capacitor C55 is grounded. When the system is abnormal and cannot normally respond to the shutdown requirement, the level of the No. 1 terminal pin of the triode Q105 is raised by long pressing of the switch key K1 through an RC delay circuit formed by the resistor R66 and the capacitor C55 until the level reaches the conduction threshold of the triode Q105, the level of the PWR-EN is pulled down, the power supply chip U10 stops working, and the equipment is restarted after power failure.
Referring to fig. 3, the delay submodule further includes a diode D102 and a resistor R67, a first terminal of the resistor R67 is connected to the second terminal of the resistor R66, a second terminal of the resistor R67 is grounded, a cathode of the diode D102 is connected to the first terminal of the resistor R66, and an anode of the diode D102 is connected to the second terminal of the resistor R66.
Referring to fig. 3, the terminal pin VOUT of the power supply chip U10 is further connected to first terminals of a capacitor C52 and a capacitor C51, and second terminals of the capacitor C52 and the capacitor C51 are grounded.
According to the combined startup and shutdown restarting circuit, the shutdown restarting key and the startup and shutdown key are combined into a whole, the restarting function is realized through the simple restarting control module 30 after the startup and shutdown key is pressed for a long time, the limitation of software control is avoided, the shutdown restarting function can still be realized in the state that the software program of the equipment is uncertain, meanwhile, an additional reset key does not need to be added to the equipment, the requirement of structural design is reduced, and the structural design cost is reduced.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A combined startup and shutdown restart circuit is characterized by comprising: the power supply device comprises a switch key, a switch control module, a power supply module and a restart control module, wherein the output end of the switch key is connected with the switch control module and the restart control module, and the switch control module and the restart control module are connected with the power supply module;
the switch control module is used for outputting a switch signal to the power supply module when the switch key is pressed down, and controlling the power supply/disconnection of the power supply module so as to correspondingly switch on/off the equipment;
the restarting control module is used for outputting a restarting signal to the power supply module when the switch key is pressed for a long time, and controlling the power supply module to stop supplying power so as to restart the equipment;
the power supply module is used for receiving a switching signal from the switching control module or a restarting signal of the restarting control module and controlling the power supply state of the equipment according to the switching signal and the restarting signal.
2. The combined switch power-on/power-off restart circuit of claim 1, wherein the power module comprises a power supply module and a power supply chip U10, the power supply module has a first terminal connected to the power input and a second terminal connected to the VCC terminal pin of the power supply chip U10, and outputs the input power to the power supply chip U10, and the device is powered by the VOUT terminal pin of the power supply chip U10.
3. The combined switch power-on/power-off restart circuit of claim 2, wherein the power supply sub-module comprises a transistor Q103 and two diodes D14, the first power input terminal is connected to the pin No. 3 of the transistor Q103, the pin No. 1 and the second power input terminal of the transistor Q103 are connected to the anodes of two diodes D14, the cathodes of two diodes D14 and the pin No. 2 of the transistor Q103 are connected to the VCC pin of the chip U10.
4. The combined switch-on/off restart circuit of claim 3, wherein the switch control module comprises a signal output submodule and a detection submodule, a first end of the signal output submodule is connected to the switch button, a second end of the signal output submodule is connected to the power supply module, the detection submodule is connected to the switch button and the signal output submodule, the signal output submodule is used for outputting a switch signal to the power supply module, and the detection submodule is used for checking the shutdown requirement of the device and notifying the signal output submodule.
5. The combined switch-on/switch-off restart circuit of claim 4, wherein the signal output submodule comprises a cpu, diodes D13 and D15, and a resistor R52, the output terminal of the switch button is connected to the anode of the diode D15, the PWR-LATCH terminal pin of the cpu is connected to the anode of the diode D13, the cathodes of the diodes D13 and D15 are connected to the first terminal of the resistor R52, the second terminal of the resistor R52 is connected to the CE terminal pin of the power supply chip U10, and the PWR-LATCH terminal pin of the cpu outputs a high level signal or a low level signal to the CE terminal pin of the power supply chip U10 to control the power supply chip U10 to supply/cut off power, so as to turn on/off the device.
6. The combined switch-on/switch-off restart circuit of claim 5, wherein the detection submodule comprises a resistor R64, a first terminal of the resistor R64 is connected to the output terminal of the switch button, and a second terminal of the resistor R64 is connected to the KEY-COL3 of the CPU.
7. The combined switch-on/off restart circuit of claim 3, wherein the restart control module comprises a delay submodule and a transistor Q105, a first terminal of the delay submodule is connected to the output terminal of the switch button, a second terminal of the delay submodule is connected to the pin 1 of the transistor Q105, the pin 2 of the transistor Q105 is grounded, and the pin 3 of the transistor Q105 is connected to the CE terminal of the power supply chip U10.
8. The combined switch power-on and power-off restarting circuit of claim 7, wherein the delay submodule comprises a capacitor C55 and a resistor R66, a first end of the resistor R66 is connected to the output end of the switch button, a second end of the resistor R is connected to a first end of the capacitor C55 and a pin terminal 1 of the transistor Q105, and a second end of the capacitor C55 is connected to ground.
9. The combined switch-on/switch-off restart circuit of claim 8, wherein the delay submodule further comprises a diode D102 and a resistor R67, the first terminal of the resistor R67 is connected to the second terminal of the resistor R66, the second terminal of the resistor R67 is connected to ground, the cathode of the diode D102 is connected to the first terminal of the resistor R66, and the anode of the diode D102 is connected to the second terminal of the resistor R66.
10. The combined switch power-on and power-off restarting circuit of claim 3, wherein a first end of a capacitor C52 and a first end of a capacitor C51 are further connected to a VOUT terminal pin of the power supply chip U10, and second ends of the capacitor C52 and the capacitor C51 are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380866.9A CN110958007B (en) | 2019-12-27 | 2019-12-27 | Combined type startup and shutdown restarting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380866.9A CN110958007B (en) | 2019-12-27 | 2019-12-27 | Combined type startup and shutdown restarting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110958007A true CN110958007A (en) | 2020-04-03 |
| CN110958007B CN110958007B (en) | 2023-10-20 |
Family
ID=69984756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911380866.9A Active CN110958007B (en) | 2019-12-27 | 2019-12-27 | Combined type startup and shutdown restarting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110958007B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111966534A (en) * | 2020-07-28 | 2020-11-20 | 武汉光迅科技股份有限公司 | Communication equipment and communication system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001094407A (en) * | 1999-09-22 | 2001-04-06 | Fuji Electric Co Ltd | Timer latch circuit |
| US6256182B1 (en) * | 1998-04-27 | 2001-07-03 | International Business Machines Corporation | Switch circuit and electronic apparatus with a discharge circuit |
| CN204119198U (en) * | 2014-08-29 | 2015-01-21 | 青岛歌尔声学科技有限公司 | A kind of single-button on/off circuit and one wear display device |
| CN204314639U (en) * | 2014-11-29 | 2015-05-06 | 福建新大陆支付技术有限公司 | POS deadlock circuit for forced shutdown |
| CN205017459U (en) * | 2015-09-09 | 2016-02-03 | 重庆蓝盾电子技术服务公司 | Can long -range outage and signal gathering who restarts and transmission equipment |
| CN207408906U (en) * | 2017-11-02 | 2018-05-25 | Tcl通力电子（惠州）有限公司 | Reset circuit and portable electric appts |
-
2019
- 2019-12-27 CN CN201911380866.9A patent/CN110958007B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6256182B1 (en) * | 1998-04-27 | 2001-07-03 | International Business Machines Corporation | Switch circuit and electronic apparatus with a discharge circuit |
| JP2001094407A (en) * | 1999-09-22 | 2001-04-06 | Fuji Electric Co Ltd | Timer latch circuit |
| CN204119198U (en) * | 2014-08-29 | 2015-01-21 | 青岛歌尔声学科技有限公司 | A kind of single-button on/off circuit and one wear display device |
| CN204314639U (en) * | 2014-11-29 | 2015-05-06 | 福建新大陆支付技术有限公司 | POS deadlock circuit for forced shutdown |
| CN205017459U (en) * | 2015-09-09 | 2016-02-03 | 重庆蓝盾电子技术服务公司 | Can long -range outage and signal gathering who restarts and transmission equipment |
| CN207408906U (en) * | 2017-11-02 | 2018-05-25 | Tcl通力电子（惠州）有限公司 | Reset circuit and portable electric appts |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111966534A (en) * | 2020-07-28 | 2020-11-20 | 武汉光迅科技股份有限公司 | Communication equipment and communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110958007B (en) | 2023-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2378621B1 (en) | Apparatus and system for controlling power saving in a bidet | |
| US9465420B2 (en) | Electronic devices having integrated reset systems and methods thereof | |
| US8102631B2 (en) | Computer power supply and standby voltage discharge circuit thereof | |
| CN110958007A (en) | Combined startup and shutdown restarting circuit | |
| CN106294057A (en) | Detection method, device and the terminal that a kind of network interface inserts | |
| CN1746819A (en) | Multiple functionality associated with a computer on/off pushbutton switch | |
| CN210609103U (en) | Reset detection circuit and electronic equipment | |
| CN114089714B (en) | portable electronic device | |
| US6424522B1 (en) | Structure and circuit of input/output port bar to connect computer peripheral | |
| CN210742886U (en) | Startup and shutdown circuit | |
| CN210721354U (en) | Reset circuit and electronic device | |
| CN1959595A (en) | Reset circuit of computer system | |
| US12003100B2 (en) | Jumper cable, starting power supply and jump start device | |
| CN204258756U (en) | A kind of hardware reset circuit | |
| CN102237667B (en) | Overcurrent detecting circuit of USB port | |
| CN210007686U (en) | power supply control circuit and emergency portable terminal thereof | |
| CN100489543C (en) | Electric power detecting circuit possessing automatic feedback and overload protection function | |
| CN113097976A (en) | Control system of battery protection circuit | |
| CN111669158A (en) | Portable multifunctional switch circuit | |
| CN210380291U (en) | Power supply circuit capable of automatically detecting turn-off | |
| CN220553846U (en) | Battery control device for switching device and switching device | |
| CN217305750U (en) | Switch enabling circuit and voltage-stabilizing output circuit | |
| CN110737318A (en) | intelligent power supply management system | |
| CN213279613U (en) | Single-fire double-control switch and switch assembly | |
| CN216649655U (en) | Self-release control circuit and device of self-locking switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |