CN216793039U - Doorbell awakening device - Google Patents

Doorbell awakening device Download PDF

Info

Publication number
CN216793039U
CN216793039U CN202220401325.0U CN202220401325U CN216793039U CN 216793039 U CN216793039 U CN 216793039U CN 202220401325 U CN202220401325 U CN 202220401325U CN 216793039 U CN216793039 U CN 216793039U
Authority
CN
China
Prior art keywords
module
doorbell
awakening
wake
sub
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.)
Active
Application number
CN202220401325.0U
Other languages
Chinese (zh)
Inventor
舒钊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Huacheng Software Technology Co Ltd
Original Assignee
Hangzhou Huacheng Software Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Huacheng Software Technology Co Ltd filed Critical Hangzhou Huacheng Software Technology Co Ltd
Priority to CN202220401325.0U priority Critical patent/CN216793039U/en
Application granted granted Critical
Publication of CN216793039U publication Critical patent/CN216793039U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The embodiment of the utility model provides a doorbell wake-up device, wherein the device comprises: the trigger module is connected with the wake-up module and used for receiving wake-up signals and controlling the wake-up module to be conducted under the trigger of the wake-up signals; the awakening module is connected with the doorbell response module and comprises an energy storage unit, the energy storage unit is used for storing electric energy under the condition that the awakening module is switched on, the awakening module is used for controlling the doorbell response module to work under the condition that the awakening module is switched on, and the doorbell response module is controlled to work based on the stored electric energy under the condition that the awakening module is not switched on. The utility model solves the problem of higher cost of the doorbell awakening device in the related technology and achieves the effect of saving cost.

Description

Doorbell awakening device
Technical Field
The utility model relates to the technical field of electronics, in particular to a doorbell wake-up device.
Background
The smart home industry is constantly developing, and more products with batteries enter the families of users. The continuous improvement of the life quality of users leads to the stricter requirements of users on the low power consumption of products. Doorbell and door lock as important products in the intelligent home industry never stop on the way of low power consumption design of products. The current doorbell and the door lock mainly adopt the mode of low-power consumption singlechip power supply to realize the control to other modules of product, and other modules can be in the outage state when the product is dormant because the consumption is too big, guarantee the consumption electric quantity that the product is as low as possible. Under the influence of global large environment, the productivity of the semiconductor industry is greatly influenced, and the supply capacity of the chip has influenced various industries. The single chip microcomputer is used as an important control unit of the doorbell and the door lock, the cost is high, the production capacity of the single chip microcomputer greatly influences the product delivery of the doorbell and the door lock, and namely the problem that the cost of the doorbell awakening device is high exists in the related technology.
Aiming at the problem that the cost of a doorbell wake-up device in the related technology is high, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a doorbell wake-up device, which is used for at least solving the problem that the doorbell wake-up device in the related art is high in cost.
According to an embodiment of the present invention, there is provided a doorbell wake-up device, including: the device comprises a trigger module, a wake-up module and a doorbell response module, wherein the trigger module is connected with the wake-up module and is used for receiving wake-up signals and controlling the wake-up module to be conducted under the trigger of the wake-up signals; the awakening module is connected with the doorbell response module, the awakening module comprises an energy storage unit, the energy storage unit is used for storing electric energy under the condition that the awakening module is switched on, the awakening module is used for controlling the doorbell response module to work under the condition that the awakening module is switched on, and the doorbell response module works under the condition that the awakening module is not switched on and based on the stored electric energy.
In the above embodiment, the doorbell wake-up device receives the wake-up signal through the trigger module and controls the wake-up module to switch on under the trigger of the wake-up signal, and under the condition that the wake-up module switches on, the doorbell response module is controlled to work by the wake-up module, wherein, the wake-up module includes the energy storage unit therein, the energy storage unit is used for storing electric energy under the condition that the wake-up module switches on, and under the condition that the wake-up module does not switch on, the doorbell response module is controlled to work based on the stored electric energy, and the doorbell wake-up function can be realized without depending on a single chip or a chip in the embodiment, the purpose of controlling cost is realized, and the risk caused by the possible supply interruption of the single chip or the chip is also avoided.
In an exemplary embodiment, the triggering module comprises an or gate, wherein an input of the or gate is configured to be connected to at least one of: the output end of the key circuit, the output end of the human body induction circuit and the output end of the wireless sensing circuit.
Through the embodiment, the trigger module comprises the OR gate circuit, the input end of the OR gate circuit can be connected with one of the output end of the key circuit, the output end of the human body induction circuit and the output end of the wireless sensing circuit, and the purpose of responding to various different types of wake-up signals can be achieved.
In an exemplary embodiment, the wake-up module further comprises a MOS transistor, a first sub-module and a second sub-module, wherein an output end of the or gate circuit is connected with a gate of the MOS transistor, and an output end of the or gate circuit controls on/off of the MOS transistor; the energy storage unit is connected with the MOS tube and used for storing electric energy under the condition that the MOS tube is conducted; the first end of the first sub-module is connected with the MOS tube and the energy storage unit, the second end of the first sub-module is connected with the second sub-module, and the awakening module is used for controlling the conduction of the second sub-module through the second end of the first sub-module under the condition that the MOS tube is conducted; the second submodule is connected with the doorbell response module and used for controlling the doorbell response module to work.
Through the embodiment, through the break-make of OR gate circuit output control MOS pipe, under the condition of receiving wake-up signal, the output of OR gate circuit will drive the MOS and switch on, simultaneously through being connected of energy storage unit and MOS pipe, can charge to the energy storage unit, and, under the condition that MOS pipe leads to, the second end control second submodule piece through first submodule piece switches on, and then realize the purpose of control doorbell response module work, realized not relying on singlechip or integrated circuit can control the purpose of doorbell response module work, the problem that relies on singlechip or integrated circuit and lead to the cost higher among the correlation technique has been avoided.
In an exemplary embodiment, the energy storage unit includes a capacitor, and the capacitor is electrically connected with the source electrode of the MOS transistor.
Through the embodiment, the purpose of energy storage can be realized through the energy storage unit comprising the capacitor, the capacitor is utilized to store electric energy under the condition that the MOS is conducted, and then the purpose that the doorbell response module continues to normally work for a certain time can be realized under the condition that the wake-up signal disappears.
In an exemplary embodiment, the first submodule includes a resistor, wherein a first end of the resistor is connected to the source of the MOS transistor, and a second end of the resistor is connected to the input terminal of the second submodule.
Through the embodiment, under the condition that the MOS tube is conducted, the second end of the resistor contained in the first sub-module is connected with the input end of the second sub-module, so that the second sub-module is driven to be conducted, meanwhile, the first end of the first sub-module is connected with the source electrode of the MOS tube and the energy storage unit, and the purpose that the energy storage unit drives the second sub-module to be conducted through the second end of the resistor contained in the first sub-module under the condition that the MOS tube is cut off can be achieved.
In an exemplary embodiment, the second submodule includes a first transistor and a second transistor, wherein a base of the first transistor is connected to the second terminal of the resistor, a collector of the first transistor is connected to a base of the second transistor, and a collector of the second transistor is connected to the doorbell response module.
Through the embodiment, under the condition that the second submodule is conducted, the collector of the second triode can control the doorbell response module to work.
In an exemplary embodiment, the second submodule includes a third transistor, wherein a base of the third transistor is connected to the second terminal of the resistor, and an emitter of the third transistor is connected to the doorbell response module.
Through the embodiment, under the condition that the third triode included in the second submodule is conducted, the emitter of the third triode can control the doorbell response module to work.
In one exemplary embodiment, the resistors include a first resistor and a second resistor, wherein the second resistor is a resistor that allows for adjustment.
Through the embodiment, the first submodule can comprise the first resistor and the second resistor, the type and parameters of elements in the second submodule and the requirement of the wake-up response module can be met by flexibly adjusting the second resistor, and the purpose of flexible configuration is achieved.
In one exemplary embodiment, the resistance is a resistance that allows for adjustment.
Through the embodiment, the first submodule can only comprise a single adjustable resistor, and the resistor can be flexibly adjusted according to the working requirement of the circuit in the doorbell wake-up device.
In an exemplary embodiment, the energy storage unit is configured to control the first sub-module to be powered on for a predetermined time after the energy storage unit stores the electric energy and under the condition that the MOS transistor is turned off.
Through the embodiment, under the condition that the MOS tube is cut off, the first sub-module is controlled to be electrified within the preset time through the electric energy stored in the energy storage unit, and the preset time is adjustable, so that the aim of flexibly adjusting according to the working requirement of a circuit in the device can be fulfilled.
In one exemplary embodiment, the doorbell response module comprises at least one of: the device comprises an image sensor submodule and an audio power amplifier submodule, wherein the image sensor submodule and the audio power amplifier submodule are both connected with the awakening module.
Through the embodiment, the doorbell response module can realize the functions of image sensing and/or audio power amplification in a working state.
According to the utility model, the doorbell wake-up device receives the wake-up signal through the trigger module, controls the wake-up module to be switched on under the trigger of the wake-up signal, and controls the doorbell response module to work under the condition that the wake-up module is switched on, wherein the wake-up module comprises the energy storage unit which is used for storing electric energy under the condition that the wake-up module is switched on and controlling the doorbell response module to work based on the stored electric energy under the condition that the wake-up module is not switched on.
Drawings
Fig. 1 is a first structural block diagram of a doorbell wake-up apparatus according to an embodiment of the present invention;
fig. 2 is a structural block diagram of a doorbell wake-up device according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a doorbell wake-up arrangement according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In this embodiment, a doorbell wake-up device is provided, fig. 1 is a first structural block diagram of the doorbell wake-up device according to the embodiment of the present invention, and as shown in fig. 1, the doorbell wake-up device includes:
the system comprises a trigger module 102, a wake-up module 104 and a doorbell response module 106, wherein the trigger module 102 is connected with the wake-up module 104 and is used for receiving wake-up signals and controlling the wake-up module 104 to be conducted under the trigger of the wake-up signals; the wake-up module 104 is connected to the doorbell response module 106, and the wake-up module includes an energy storage unit (not shown in fig. 1), where the energy storage unit is configured to store electric energy when the wake-up module 104 is turned on, the wake-up module 104 is configured to control the doorbell response module 106 to operate when the wake-up module is turned on, and control the doorbell response module 106 to operate based on the stored electric energy when the wake-up module 104 is not turned on.
In the above embodiment, the doorbell wake-up device receives a wake-up signal through the trigger module 102, controls the wake-up module 104 to be turned on under the trigger of the wake-up signal, and controls the doorbell response module 106 to operate under the condition that the wake-up module 104 is turned on, where the wake-up module includes an energy storage unit, and the energy storage unit is used to store electric energy under the condition that the wake-up module is turned on, and controls the doorbell response module to operate based on the stored electric energy under the condition that the wake-up module is not turned on, optionally, the wake-up signal may be a wake-up signal generated by a key, a human body sensor or a wireless sensor, or generated by other manners, and in practical application, in order to improve the convenience of the doorbell response device in use, the wake-up signal is not limited to one, but may also respond to multiple wake-up signals at the same time; in the embodiment, the doorbell awakening function can be realized without depending on a single chip microcomputer or a chip, the purpose of controlling the cost is realized, and the risk caused by the supply interruption possibly occurring in the single chip microcomputer or the chip is also avoided.
In an alternative embodiment, the triggering module comprises an or gate, wherein an input of the or gate is configured to be connected to at least one of: the output end of the key circuit, the output end of the human body induction circuit and the output end of the wireless sensing circuit.
In the above embodiment, the trigger module 102 includes an or gate circuit, an input end of the or gate circuit may be connected to one of an output end of the key circuit, an output end of the human body sensing circuit, and an output end of the wireless sensing circuit, and in practical applications, the trigger module may respond to various wake-up signals, for example, a user may generate a wake-up signal by way of key pressing or touch sensing, or sense the occurrence of the user by way of infrared sensing, so as to generate a wake-up signal.
In an optional embodiment, the wake-up module further includes an MOS transistor, a first sub-module, and a second sub-module, wherein an output end of the or gate circuit is connected to a gate of the MOS transistor, and an output end of the or gate circuit controls on/off of the MOS transistor; the energy storage unit is connected with the MOS tube and used for storing electric energy under the condition that the MOS tube is conducted; the first end of the first sub-module is connected with the MOS tube and the energy storage unit, the second end of the first sub-module is connected with the second sub-module, and the awakening module is used for controlling the conduction of the second sub-module through the second end of the first sub-module under the condition that the MOS tube is conducted; the second submodule is connected with the doorbell response module and used for controlling the doorbell response module to work.
Fig. 2 is a structural block diagram of a doorbell wake-up apparatus according to an embodiment of the present invention, and as shown in fig. 2, the wake-up module 104 includes: the MOS transistor 1042, the first sub-module 1044, the second sub-module 1046, and the energy storage unit 1048, in the above embodiments, the MOS is controlled by the output end of the or gate circuit, the on/off of 1042, the MOS is driven to be conducted by the output end of the or gate circuit when the wake-up signal is received, and simultaneously the energy storage unit can be charged by the connection of the energy storage unit 1048 and the MOS transistor, and the second sub-module 1046 is controlled to be conducted by the second end of the first sub-module 1044 when the MOS transistor is conducted, so as to control the doorbell response module 106 to work, thereby achieving the purpose of controlling the doorbell response module to work without depending on a single chip or an integrated circuit, and avoiding the problem of high cost caused by depending on a single chip or an integrated circuit in the related technology.
In an optional embodiment, the energy storage unit comprises a capacitor, and the capacitor is electrically connected with the source electrode of the MOS transistor.
In the above embodiment, the purpose of storing energy can be achieved by the energy storage unit including the capacitor, the capacitor is used for storing electric energy when the MOS is turned on, and further, when the wake-up signal disappears, that is, when the trigger module does not receive the wake-up signal, or when the wake-up signal that has just been generated disappears, for example, when a user withdraws his hand after pressing a button of the doorbell, at this time, the doorbell response module can continue to maintain a certain working time by the electric energy stored in the energy storage unit.
In an optional embodiment, the first sub-module includes a resistor, wherein a first end of the resistor is connected to the source of the MOS transistor, and a second end of the resistor is connected to the input end of the second sub-module.
In the above embodiment, under the condition that the MOS transistor is turned on, the second end of the resistor included in the first sub-module is connected to the input end of the second sub-module, so as to drive the second sub-module to be turned on, and meanwhile, the first end of the first sub-module is connected to the source electrode of the MOS transistor and the energy storage unit, so that the purpose that the energy storage unit drives the second sub-module to be turned on through the second end of the resistor included in the first sub-module under the condition that the MOS transistor is turned off can be achieved, that is, the energy storage unit discharges through the first sub-module, so as to drive the second sub-module to be turned on, and further control the doorbell response module to work.
In an optional embodiment, the second submodule includes a first transistor and a second transistor, wherein a base of the first transistor is connected to the second terminal of the resistor, a collector of the first transistor is connected to a base of the second transistor, and a collector of the second transistor is connected to the doorbell response module.
In the above embodiment, when the second sub-module is turned on, the collector of the second transistor may control the doorbell response module to operate. In this embodiment, the second sub-module may be turned on after the trigger module receives the wake-up signal, and may also be turned on for a period of time after the wake-up signal disappears and the energy storage unit stores electric energy, where the turn-on time may be set.
In an optional embodiment, the second submodule includes a third transistor, wherein a base of the third transistor is connected to the second terminal of the resistor, and an emitter of the third transistor is connected to the doorbell response module.
In the above embodiment, when the third transistor included in the second sub-module is turned on, the emitter of the third transistor may control the doorbell response module to operate.
In an alternative embodiment, the resistors include a first resistor and a second resistor, wherein the second resistor is a resistor that allows for adjustment.
In the above embodiment, the first sub-module may include a first resistor and a second resistor, and the second resistor may be flexibly adjusted to meet the type and parameters of the elements in the second sub-module and the requirement of the wake-up response module, so as to achieve the purpose of flexible configuration. In this embodiment, the first resistor may protect the second sub-module to prevent the element in the second sub-module from being damaged due to excessive current when the second resistor is adjusted to the minimum value.
In an alternative embodiment, the resistance is a resistance that allows for tuning.
In the above embodiment, the first sub-module may include only a single adjustable resistor, and the resistor may be flexibly adjusted according to the operation requirement of the circuit in the doorbell wake-up device. In this embodiment, when adjusting a single resistor, damage to elements in the second sub-module due to a large current generated by an excessively small resistance value is avoided, and the purpose of further controlling the cost can be achieved by adjusting the single resistor.
In an alternative embodiment, the energy storage unit is configured to control the first sub-module to be powered on for a predetermined time after the energy storage unit stores the electric energy and under the condition that the MOS transistor is turned off.
In the above embodiment, under the condition that the MOS transistor is turned off, the first sub-module is controlled to be powered on within a predetermined time by the electric energy stored in the energy storage unit to control the second sub-module to be powered on, so as to achieve the purpose of driving and waking up the corresponding module to work, and the predetermined time is adjustable, so that the purpose of flexibly adjusting according to the work requirement of a circuit in the device can be achieved.
In an alternative embodiment, the doorbell response module comprises at least one of: the device comprises an image sensor submodule and an audio power amplifier submodule, wherein the image sensor submodule and the audio power amplifier submodule are both connected with the awakening module.
In the above embodiment, the doorbell response module may implement image sensing and/or audio power amplification functions in an operating state.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. The present invention will be described in detail with reference to examples.
Fig. 3 is a schematic circuit diagram of a doorbell wake-up device according to an embodiment of the present invention, and as shown in fig. 3, the following description is made on the operating principle of the circuit as follows:
the main function module (corresponding to the awakening response module) is turned on for a period of time and then automatically turned off.
When any one signal of wireless triggering, human body induction and doorbell key is turned on, the Q1 MOS tube is triggered to conduct, the C1 capacitor can be fully charged in a short time, the Q2 (corresponding to the first triode) and the Q3 (corresponding to the second triode) can be turned on, and the functional module is powered on and started.
When the trigger signal is not triggered, the capacitor C1 is still charged, the Q2 and the Q3 are still in an open state, and the functional module can still work normally.
When the discharge voltage of the capacitor drops to a certain value, Q2 and Q3 are turned off, and the power supply of the functional module is turned off.
The discharge time of the capacitor can be adjusted by sliding the rheostat (corresponding to the aforementioned second resistor) by R2.
Through the embodiment, the doorbell awakening function can be realized through the circuit built by the discrete components, the purposes of reducing the material cost of the low-power-consumption single chip microcomputer and the related peripheral circuits can be realized, and meanwhile, the risk of chip supply interruption can be effectively avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A doorbell wake-up device, comprising:
a trigger module, a wake-up module, a doorbell response module, wherein,
the trigger module is connected with the awakening module and is used for receiving an awakening signal and controlling the awakening module to be conducted under the trigger of the awakening signal;
the awakening module is connected with the doorbell response module, the awakening module comprises an energy storage unit, the energy storage unit is used for storing electric energy under the condition that the awakening module is switched on, the awakening module is used for controlling the doorbell response module to work under the condition that the awakening module is switched on, and the doorbell response module works under the condition that the awakening module is not switched on and based on the stored electric energy.
2. The apparatus of claim 1,
the trigger module comprises an OR gate circuit, wherein the input end of the OR gate circuit is configured to be connected with at least one of the following: the output end of the key circuit, the output end of the human body induction circuit and the output end of the wireless sensing circuit.
3. The apparatus of claim 2,
the awakening module further comprises an MOS (metal oxide semiconductor) tube, a first sub-module and a second sub-module, wherein the output end of the OR gate circuit is connected with the grid electrode of the MOS tube, and the output end of the OR gate circuit controls the on-off of the MOS tube;
the energy storage unit is connected with the MOS tube and used for storing electric energy under the condition that the MOS tube is conducted;
the first end of the first sub-module is connected with the MOS tube and the energy storage unit, the second end of the first sub-module is connected with the second sub-module, and the awakening module is used for controlling the conduction of the second sub-module through the second end of the first sub-module under the condition that the MOS tube is conducted;
the second submodule is connected with the doorbell response module and used for controlling the doorbell response module to work.
4. The apparatus of claim 3,
the energy storage unit comprises a capacitor, and the capacitor is electrically connected with the source electrode of the MOS tube.
5. The apparatus of claim 3,
the first submodule comprises a resistor, wherein the first end of the resistor is connected with the source electrode of the MOS tube, and the second end of the resistor is connected with the input end of the second submodule.
6. The apparatus of claim 5,
the second submodule comprises a first triode and a second triode, wherein the base of the first triode is connected with the second end of the resistor, the collector of the first triode is connected with the base of the second triode, and the collector of the second triode is connected with the doorbell response module.
7. The apparatus of claim 5,
the second submodule comprises a third triode, wherein the base of the third triode is connected with the second end of the resistor, and the emitting electrode of the third triode is connected with the doorbell response module.
8. The apparatus of claim 5,
the resistors include a first resistor and a second resistor, wherein the second resistor is a resistor that is allowed to be adjusted.
9. The apparatus of claim 5,
the resistance is a resistance that allows for tuning.
10. The apparatus of claim 3,
the energy storage unit is arranged to control the first sub-module to be electrified within a preset time after the energy storage unit stores electric energy and under the condition that the MOS tube is cut off.
11. The apparatus of claim 1,
the doorbell response module comprises at least one of: the device comprises an image sensor submodule and an audio power amplifier submodule, wherein the image sensor submodule and the audio power amplifier submodule are both connected with the awakening module.
CN202220401325.0U 2022-02-24 2022-02-24 Doorbell awakening device Active CN216793039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220401325.0U CN216793039U (en) 2022-02-24 2022-02-24 Doorbell awakening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220401325.0U CN216793039U (en) 2022-02-24 2022-02-24 Doorbell awakening device

Publications (1)

Publication Number Publication Date
CN216793039U true CN216793039U (en) 2022-06-21

Family

ID=82017182

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220401325.0U Active CN216793039U (en) 2022-02-24 2022-02-24 Doorbell awakening device

Country Status (1)

Country Link
CN (1) CN216793039U (en)

Similar Documents

Publication Publication Date Title
AU3256793A (en) Device for improving the current output of a chargeable battery at low outside temperatures
US8497604B2 (en) Apparatus and system for controlling power saving in bidet
EP2657808A2 (en) Wake-up circuit and electronic device
JPH0346738B2 (en)
CN112639634A (en) On-off control device and electronic equipment
US20240154439A1 (en) Power supply circuit, sensing device and application thereof
CN216793039U (en) Doorbell awakening device
CN212460402U (en) Power supply circuit
CN216526819U (en) Multi-key awakening identification circuit and electronic equipment
US20230018700A1 (en) Electronic circuit unit and battery pack
CN215185914U (en) Standby zero-power-consumption circuit applied to battery power supply equipment
CN115911732A (en) Electric tool and discharge system
CN111669158B (en) Portable multifunctional switch circuit
CN218997929U (en) Infrared pen power supply control circuit and infrared pen
CN215307369U (en) Wireless remote control welding cap
CN213581794U (en) Switching circuit and electronic device
CN220290066U (en) Program-controlled startup and shutdown circuit capable of being forced to shutdown
CN218976362U (en) Energy storage power supply control circuit and energy storage power supply
CN218995923U (en) One-key multifunctional control circuit
CN219145365U (en) Startup and shutdown control circuit and electronic equipment
CN216016467U (en) Low-voltage protection circuit, device and electrical equipment
CN218124360U (en) Battery pack, low-power-consumption control circuit thereof and handheld terminal equipment
CN219435243U (en) Dormancy wake-up circuit, motor controller and vehicle
CN216252223U (en) Control circuit of battery module, battery module and terminal
CN218383715U (en) Low-power consumption self-locking control circuit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant