CN113094196A - Intelligent watchdog device, method and system for preventing communication equipment from crashing - Google Patents
Intelligent watchdog device, method and system for preventing communication equipment from crashing Download PDFInfo
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- 229910052742 iron Inorganic materials 0.000 claims description 46
- 239000004677 Nylon Substances 0.000 claims description 34
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
- G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
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Abstract
The invention provides an intelligent watchdog device, a method and a system for preventing communication equipment from crashing, relates to the technical field of intelligent watchdog, and solves the problem that the existing communication equipment can be crashed due to accidents, most of the existing repair modes are that maintenance personnel rush to the position of the communication equipment for maintenance, the communication equipment can be normally operated again by simple reset debugging, and the cost of the repair mode is high. An intelligent watchdog device, a method and a system for preventing communication equipment from crashing comprise a watchdog device, wherein an intelligent information feedback device is positioned at a position right above the watchdog device. When a central processing unit in the ICD crashes within the duration, the watchdog chip in the watchdog device cannot receive the dog feeding signal within the duration, the watchdog chip feeds back the signal to the single chip microcomputer, and the single chip microcomputer outputs a reset instruction to the ICD, so that the normal operation and self-repairing of the ICD are ensured, and the maintenance cost of maintenance personnel is avoided.
Description
Technical Field
The invention belongs to the technical field of intelligent watchdog, and particularly relates to an intelligent watchdog device, method and system for preventing communication equipment from crashing.
Background
The watchdog circuit is an anti-interference measure commonly adopted in an embedded control system, so that the system or the circuit can be automatically reset, restarted and normally operated under the condition of interference, and the system is ensured to recover normal operation from software and hardware errors.
For example, application No.: CN201110152342.1 the present invention relates to a watchdog reset control system. The invention comprises the following steps: the watchdog circuit and the microprocessor are connected, a watchdog control circuit with timing and high and low level signal output functions is further connected between the watchdog circuit and the microprocessor, when a system is powered on, the watchdog control circuit starts timing, a first control level signal is output to a manual reset pin of the watchdog circuit before timing overflow, a reset signal output pin of the watchdog circuit is forbidden to output a reset signal, a second control level signal is output to the manual reset pin of the watchdog circuit after timing overflow, the watchdog circuit works normally, when the reset signal output pin of the watchdog circuit outputs the reset signal, the watchdog control circuit and the microprocessor are reset simultaneously, and the watchdog control circuit restarts timing. The invention solves the problem that the microprocessor can not feed dogs during the period from the power-on of the single board to the completion of the loading and starting through a simple logic relationship and reduces the wiring difficulty of the PCB board card.
Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, current communication equipment can cause the condition of crashing because of unexpected reason, unexpected reason includes static, surge and outdoor environment etc, present repair mode is mostly the maintainer and hurries to the communication equipment position and maintains, carry out simple debugging that resets and can normally operate again, but this repair mode cost is higher, and adopt the mode of watchdog device debugging that resets, though simple and convenient, if the watchdog device breaks down, it will be unable in time to reset the debugging to communication equipment, and when the watchdog device breaks down, maintainer can't know the very first time.
Disclosure of Invention
In order to solve the technical problems, the invention provides an intelligent watchdog device, a method and a system for preventing communication equipment from crashing, and aims to solve the problems that the existing communication equipment can be crashed due to unexpected reasons, such as static electricity, surge and outdoor environment, most of the existing repair modes are that maintenance personnel rush to the position of the communication equipment for maintenance, the communication equipment can be reset and debugged simply and normally again, but the repair mode is high in cost, and the adoption of the reset and debugging mode of the watchdog device is simple and convenient, but if the watchdog device breaks down, the watchdog device cannot timely reset and debug the communication equipment, and the maintenance personnel cannot know the fault at the first time.
The invention relates to an intelligent watchdog device, a method and a system for preventing communication equipment from crashing, which aims and effects are achieved by the following specific technical means:
an intelligent watchdog device, a method and a system for preventing communication equipment from crashing comprises a watchdog device,
the intelligent information feedback device is positioned right above the watchdog device, and the bottom end surface of the intelligent information feedback device is higher than the top end surface of the watchdog device and is not contacted with the top end surface of the watchdog device;
the left end face and the right end face of the intelligent information feedback device are fixedly connected with the top end face of the watchdog device through two symmetrically distributed fixing installation parts in a matched mode through screw fasteners, the fixing installation parts are integrally of an L-shaped structure, the short end bottom end faces of the fixing installation parts are in contact with the top end face of the watchdog device and are fixedly connected through the screw fasteners, and the long end side end faces of the fixing installation parts are in contact with the side end faces of the intelligent information feedback device and are also fixedly connected through the screw fasteners.
Furthermore, the watchdog device comprises a single chip microcomputer, a programmable logic controller and a watchdog chip, wherein the single chip microcomputer, the programmable logic controller and the watchdog chip are arranged in the watchdog device, the programmable logic controller and the watchdog chip are electrically connected with the single chip microcomputer in a common mode, and the single chip microcomputer is electrically connected with a central processing unit in the ICD in a common mode.
Furthermore, the watchdog device comprises an electromagnet, the top end face of the watchdog device is provided with an electromagnet which is electrically connected with the common electric property of the single chip microcomputer relative to the part under the intelligent information feedback device, the top end face of the electromagnet is higher than the top end face of the watchdog device but is not contacted with the bottom end face of the intelligent information feedback device, and the electromagnet is integrally in a rectangular block structure.
Further, the watchdog device is including iron spare, nylon reset spring and circular recess of accomodating, the adjacent electro-magnet of watchdog device top face edge contained angle position all has seted up a circular recess of accomodating in four places, all be provided with a nylon reset spring in every circular recess of accomodating, nylon reset spring bottom is connected with circular recess inner bottom face is fixed accomodate, the iron spare of the common fixedly connected with of four nylon reset spring top faces, the iron spare is rectangle block structure, iron spare length is greater than electro-magnet length, iron spare central point is corresponding with electro-magnet central point position, iron spare bottom face and electro-magnet top face magnetism inhale under the contact state, nylon reset spring is in compression state.
Furthermore, intelligence information feedback device is including microcontroller, 5G industry internet module, battery and solar photovoltaic board group, and inside 5G industry internet module and the battery that is provided with microcontroller and is connected rather than ordinary electric property of intelligence information feedback device, 5G industry internet module and mobile device network data transmission are connected, and intelligent information feedback device top end face is installed the solar photovoltaic board group that is connected with the ordinary electric property of battery.
Further, intelligence information feedback device is including proximity switch, and the proximity switch that is connected with microcontroller circular telegram nature is installed to intelligence information feedback device bottom face left side position, and proximity switch is located iron piece coverage area, is in under the compression state as nylon reset spring, and iron piece top face is located outside the proximity switch response area scope, is in under the ordinary state of extending as nylon reset spring, and iron piece top face is located proximity switch response area within range.
The invention discloses an intelligent watchdog method for preventing communication equipment from crashing, which is characterized by comprising the following steps: the method comprises the following steps:
1) and under the daily application state, the central processing unit in the ICD continuously outputs a dog feeding signal to the watchdog device.
2) When the central processing unit in the ICD in the step 1) crashes within the duration, the watchdog chip in the watchdog device cannot receive the watchdog feeding signal within the duration, the watchdog chip feeds back the signal to the single chip microcomputer, and the single chip microcomputer outputs a reset instruction to the ICD, so that the normal operation and self-repairing of the ICD are ensured.
3) And under the daily application state, the electromagnet is in the power-on state, the iron piece is magnetically attracted on the electromagnet, and the four nylon reset springs are all in the compression state.
4) When the watchdog device breaks down, the electromagnet is switched off in the power-on state, and the four nylon reset springs reset rapidly, so that the iron piece is positioned in the range of the induction area of the proximity switch.
5) When the iron piece is located the regional scope of proximity switch response, proximity switch output signal gives microcontroller, and microcontroller output instruction gives 5G industry internet module, and 5G industry internet module is to mobile device network data transmission message.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the central processing unit in the ICD continuously outputs the dog feeding signal to the watchdog device, when the central processing unit in the ICD crashes within the duration, the watchdog chip in the watchdog device cannot receive the dog feeding signal within the duration, the watchdog chip feeds back the signal to the single chip microcomputer, and the single chip microcomputer outputs the reset instruction to the ICD, so that the normal operation and self-repair of the ICD are ensured, and the maintenance cost of maintenance personnel is avoided.
According to the invention, through the arrangement of the electromagnet and the iron piece, when the electromagnet is in a power-on state, the iron piece is magnetically attracted on the electromagnet, when the watchdog device fails, the power-on state of the electromagnet is cut off, the iron piece is driven by the four nylon reset springs to move upwards, when the iron piece is positioned in the sensing area range of the proximity switch, an output signal of the proximity switch is given to the microcontroller, the microcontroller outputs an instruction to the 5G industrial internet module, the 5G industrial internet module transmits a message to the mobile equipment network data, and the mobile equipment is the ICD and the mobile phone of a person responsible for the watchdog device, so that the person responsible for the watchdog device is reminded of the failure and needs to be repaired in time at the first.
Drawings
Fig. 1 is a block diagram of a watchdog device and ICD connection system of the present invention.
Fig. 2 is a schematic view of a partially enlarged structure of a connection portion of the watchdog device and the intelligent information feedback device of the present invention.
Fig. 3 is a schematic cross-sectional enlarged structure view of a circular receiving groove portion at a in fig. 2 according to the present invention.
Fig. 4 is a schematic structural view of the nylon return spring of fig. 2 of the present invention in a normal extended state.
Fig. 5 is a block diagram of a system for connecting an intelligent information feedback device with a mobile device according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a watchdog device; 101. a single chip microcomputer; 102. a programmable logic controller; 103. a watchdog chip; 104. an electromagnet; 105. an iron member; 106. a nylon return spring; 107. a circular receiving groove; 2. an ICD; 201. a central processing unit; 3. an intelligent information feedback device; 301. a proximity switch; 302. a microcontroller; 303. 5G industrial internet module; 304. a storage battery; 305. a solar photovoltaic panel group; 4. a fixed mounting; 5. a mobile device.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 5:
the invention provides an intelligent watchdog device, a method and a system for preventing communication equipment from crashing, comprising: in the watchdog device 1, the intelligent information feedback device 3 is positioned right above the watchdog device 1, and the bottom end surface of the intelligent information feedback device 3 is higher than the top end surface of the watchdog device 1 and is not contacted with the top end surface; fixed mounting part 4 that is the distribution of symmetry form through two between 3 left and right sides terminal surfaces of intelligent information feedback device and the 1 top face of watchdog device is fixed with the cooperation of screw fastener and is connected, fixed mounting part 4 wholly is L type structure, 4 short-end bottom faces of fixed mounting part contact with 1 top face of watchdog device, and be connected through the screw fastener is fixed, 4 long-end side end faces of fixed mounting part contact with 3 side end faces of intelligent information feedback device, and also connect through the screw fastener stationary phase.
The watchdog device 1 comprises a single chip microcomputer 101, a programmable logic controller 102 and a watchdog chip 103, wherein the single chip microcomputer 101, the programmable logic controller 102 and the watchdog chip 103 are arranged in the watchdog device 1, the programmable logic controller 102 and the watchdog chip 103 are electrically connected with the single chip microcomputer 101, and the single chip microcomputer 101 is electrically connected with a central processing unit 201 in the ICD 2; the watchdog device 1 comprises an electromagnet 104, the top end surface of the watchdog device 1 is provided with the electromagnet 104 which is electrically connected with the singlechip 101 in a common way relative to the position under the intelligent information feedback device 3, the top end surface of the electromagnet 104 is higher than the top end surface of the watchdog device 1 but is not contacted with the bottom end surface of the intelligent information feedback device 3, and the electromagnet 104 is of a rectangular block structure as a whole; watchdog device 1 is including iron piece 105, nylon reset spring 106 and circular recess 107 of accomodating, watchdog device 1 top face adjacent electro-magnet 104 edge contained angle position has all seted up a circular recess 107 of accomodating in four places, all be provided with a nylon reset spring 106 in every circular recess 107 of accomodating, nylon reset spring 106 bottom and the circular recess 107 that accomodates inner bottom face fixed connection, the common fixedly connected with iron piece 105 of four nylon reset spring 106 top faces, iron piece 105 is the rectangle block structure, iron piece 105 length is greater than electro-magnet 104 length, iron piece 105 central point is corresponding with electro-magnet 104 central point position, iron piece 105 bottom face and electro-magnet 104 top face magnetism inhale under the contact state, nylon reset spring 106 is in the compression state.
The intelligent information feedback device 3 comprises a microcontroller 302, a 5G industrial Internet module 303, a storage battery 304 and a solar photovoltaic panel group 305, the microcontroller 302, the 5G industrial Internet module 303 and the storage battery 304 which are electrically connected with the microcontroller are arranged in the intelligent information feedback device 3, the 5G industrial Internet module 303 is in network data transmission connection with the mobile device 5, and the solar photovoltaic panel group 305 which is electrically connected with the storage battery 304 is arranged on the top end face of the intelligent information feedback device 3; the intelligent information feedback device 3 comprises a proximity switch 301, the proximity switch 301 electrically connected with a microcontroller 302 is installed at the left side part of the bottom end face of the intelligent information feedback device 3, the proximity switch 301 is located in the coverage area of the iron piece 105, when the nylon reset spring 106 is in a compressed state, the top end face of the iron piece 105 is located outside the sensing area range of the proximity switch 301, and when the nylon reset spring 106 is in a common extension state, the top end face of the iron piece 105 is located in the sensing area range of the proximity switch 301.
The invention discloses an intelligent watchdog method for preventing communication equipment from crashing, which is characterized by comprising the following steps: the method comprises the following steps:
1) in the daily application state, the central processing unit 201 in the ICD2 continuously outputs a dog feeding signal to the watchdog device 1.
2) When the central processing unit 201 in the ICD2 in step 1) crashes within the duration, the watchdog chip 103 in the watchdog device 1 cannot receive the dog feeding signal within the duration, the watchdog chip 103 feeds back a signal to the single chip microcomputer 101, and the single chip microcomputer 101 outputs a reset instruction to the ICD2, so that the ICD2 is ensured to normally operate and self-repair.
3) In the daily application state, the electromagnet 104 is in the power-on state, the iron piece 105 is magnetically attracted on the electromagnet 104, and the four nylon return springs 106 are all in the compression state.
4) When the watchdog device 1 breaks down, the electromagnet 104 is switched off, and the four nylon return springs 106 are quickly reset, so that the iron piece 105 is positioned in the range of the sensing area of the proximity switch 301.
5) When the iron member 105 is located within the sensing area of the proximity switch 301, the proximity switch 301 outputs a signal to the microcontroller 302, the microcontroller 302 outputs an instruction to the 5G industrial internet module 303, and the 5G industrial internet module 303 transmits a message to the mobile device 5 through network data.
When in use:
in a daily application state, a central processing unit 201 in the ICD2 continuously outputs a dog feeding signal to the watchdog device 1, when the central processing unit 201 in the ICD2 crashes within a duration, the watchdog chip 103 in the watchdog device 1 cannot receive the dog feeding signal within the duration, the watchdog chip 103 feeds back a signal to the single chip microcomputer 101, and the single chip microcomputer 101 outputs a reset instruction to the ICD2 to ensure normal operation and self-repair of the ICD 2;
in a daily application state, the electromagnet 104 is in a power-on state, the iron piece 105 is magnetically attracted on the electromagnet 104, the four nylon reset springs 106 are in a compressed state, when the watchdog device 1 breaks down, the electromagnet 104 is switched off in the power-on state, the four nylon reset springs 106 are rapidly reset, so that the iron piece 105 is driven to move upwards, because the nylon reset springs 106 are in a common extension state, the top end face of the iron piece 105 is positioned in the sensing area range of the proximity switch 301, after the nylon reset springs 106 are rapidly reset, the iron piece 105 is positioned in the sensing area range of the proximity switch 301, when the iron piece 105 is positioned in the sensing area range of the proximity switch 301, the proximity switch 301 outputs a signal to the microcontroller 302, the microcontroller 302 outputs an instruction to the 5G industrial Internet module 303, and the 5G industrial Internet module 303 transmits a network data transmission message to the mobile device 5, the mobile device 5 is a device such as an ICD2 and a mobile phone of a person in charge of the watchdog device 1, so that the person in charge is reminded that the watchdog device 1 has a fault and needs to be repaired in time at the first time;
the solar photovoltaic panel group 305 connected with the common electrical property of the storage battery 304 is installed on the top end face of the intelligent information feedback device 3, under the daily application state, the intelligent information feedback device 3 absorbs sunlight through the solar photovoltaic panel group 305 and then converts the light energy into electric energy to be stored in the storage battery 304, and the electric energy is provided for the intelligent information feedback device 3 without adopting an external power supply mode, so that the problem that the power line is damaged and the like is avoided, and the intelligent information feedback device 3 cannot feed back information.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. An intelligent watchdog device, a method and a system for preventing communication equipment from crashing are characterized in that: an intelligent watchdog device and a system for preventing communication equipment from crashing comprises a watchdog device (1),
the intelligent information feedback device (3) is positioned right above the watchdog device (1), and the bottom end surface of the intelligent information feedback device (3) is higher than the top end surface of the watchdog device (1) and is not contacted with the top end surface of the watchdog device;
terminal surface and watchdog device (1) top face are fixed with the cooperation of screw fastener through two fixed mounting spare (4) that are the symmetric form and distribute about intelligent information feedback device (3), fixed mounting spare (4) wholly is L type structure, fixed mounting spare (4) short-end bottom face contacts with watchdog device (1) top face, and be connected through screw fastener is fixed, fixed mounting spare (4) long end side end face contacts with intelligent information feedback device (3) side end face, and also connect through the screw fastener stationary phase.
2. The intelligent watchdog apparatus and system for preventing communication device from crash as claimed in claim 1, wherein: the watchdog device (1) comprises a single chip microcomputer (101), a programmable logic controller (102) and a watchdog chip (103), wherein the single chip microcomputer (101), the programmable logic controller (102) and the watchdog chip (103) which are electrically connected with the single chip microcomputer (101) are arranged inside the watchdog device (1), and the single chip microcomputer (101) is electrically connected with a central processing unit (201) in the ICD (2) in a common mode.
3. The intelligent watchdog apparatus and system for preventing communication device from crash as claimed in claim 1, wherein: the watchdog device (1) comprises an electromagnet (104), the electromagnet (104) connected with a single chip microcomputer (101) in a common electric mode is installed on the top end face of the watchdog device (1) relative to the part under the intelligent information feedback device (3), the top end face of the electromagnet (104) is higher than the top end face of the watchdog device (1) but is not in contact with the bottom end face of the intelligent information feedback device (3), and the electromagnet (104) is integrally of a rectangular block structure.
4. The intelligent watchdog apparatus and system for preventing communication device from crash as claimed in claim 1, wherein: the watchdog device (1) comprises an iron piece (105), a nylon reset spring (106) and a circular storage groove (107), wherein the circular storage groove (107) is formed in the edge included angle position of four positions of the top end surface of the watchdog device (1) adjacent to the electromagnet (104), a nylon reset spring (106) is arranged in each circular storage groove (107), the bottom end of the nylon reset spring (106) is fixedly connected with the bottom end surface of the inner end of the circular storage groove (107), the top end surfaces of the four nylon reset springs (106) are fixedly connected with an iron piece (105) together, the iron piece (105) is in a rectangular block structure, the length of the iron piece (105) is greater than that of the electromagnet (104), the central position of the iron piece (105) corresponds to that of the electromagnet (104), and the bottom end surface of the iron piece (105) is in magnetic contact with the top end surface of the electromagnet (104), the nylon return spring (106) is in a compressed state.
5. The intelligent watchdog apparatus and system for preventing communication device from crash as claimed in claim 1, wherein: intelligence information feedback device (3) are including microcontroller (302), 5G industry internet module (303), battery (304) and solar photovoltaic board group (305), inside 5G industry internet module (303) and the battery (304) that is provided with microcontroller (302) and is connected with its ordinary electrical property of intelligent information feedback device (3), 5G industry internet module (303) and mobile device (5) network data transmission are connected, intelligent information feedback device (3) top terminal surface is installed and is organized (305) with the solar photovoltaic that battery (304) ordinary electrical property is connected.
6. The intelligent watchdog apparatus and system for preventing communication device from crash as claimed in claim 1, wherein: intelligence information feedback device (3) is including proximity switch (301), proximity switch (301) that intelligence information feedback device (3) bottom end face left side position was installed and is connected with microcontroller (302) circular telegram nature, proximity switch (301) are located iron spare (105) and cover the region, be in under nylon reset spring (106) compression state, iron spare (105) top end face is located proximity switch (301) response region scope outside, be in under ordinary extension state nylon reset spring (106), iron spare (105) top end face is located proximity switch (301) response region scope.
7. The intelligent watchdog method of claims 1-6, wherein: the method comprises the following steps:
1) and under the daily application state, the central processing unit (201) in the ICD (2) continuously outputs a dog feeding signal to the watchdog device (1).
2) When the central processing unit (201) in the ICD (2) in the step 1) crashes within the duration, the watchdog chip (103) in the watchdog device (1) cannot receive the dog feeding signal within the duration, the watchdog chip (103) feeds back the signal to the single chip microcomputer (101), and the single chip microcomputer (101) outputs a reset instruction to the ICD (2) to ensure the normal operation and self-repair of the ICD (2).
3) And in the daily application state, the electromagnet (104) is in the power-on state, the iron piece (105) is magnetically attracted on the electromagnet (104), and the four nylon reset springs (106) are in the compression state.
4) When the watchdog device (1) breaks down, the power-on state of the electromagnet (104) is cut off, and the four nylon return springs (106) are quickly reset, so that the iron piece (105) is positioned in the range of the sensing area of the proximity switch (301).
5) When the iron piece (105) is located in the range of the sensing area of the proximity switch (301), the proximity switch (301) outputs a signal to the microcontroller (302), the microcontroller (302) outputs an instruction to the 5G industrial Internet module (303), and the 5G industrial Internet module (303) transmits a message to the mobile device (5) through network data.
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| CN113991847A (en) * | 2021-10-21 | 2022-01-28 | 刘波 | Wisdom adapted power and power consumption monitoring devices based on thing networking |
| CN116684520A (en) * | 2022-09-30 | 2023-09-01 | 荣耀终端有限公司 | Shutdown method and electronic equipment |
| CN116684520B (en) * | 2022-09-30 | 2024-04-12 | 荣耀终端有限公司 | Shutdown method, electronic equipment, storage medium and chip |
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