CN208126135U - Electric power apparatus monitoring device and remote power equipment monitoring system - Google Patents

Electric power apparatus monitoring device and remote power equipment monitoring system Download PDF

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Publication number
CN208126135U
CN208126135U CN201820676203.6U CN201820676203U CN208126135U CN 208126135 U CN208126135 U CN 208126135U CN 201820676203 U CN201820676203 U CN 201820676203U CN 208126135 U CN208126135 U CN 208126135U
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CN
China
Prior art keywords
monitoring device
side wall
electric power
power equipment
roof
Prior art date
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Expired - Fee Related
Application number
CN201820676203.6U
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Chinese (zh)
Inventor
张伟斌
涂建华
邓沛仪
陈丹雯
谭富成
邓李轩
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.)
Guangdong Hao Yang Electric Power Construction Co Ltd
Original Assignee
Guangdong Hao Yang Electric Power Construction 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 Guangdong Hao Yang Electric Power Construction Co Ltd filed Critical Guangdong Hao Yang Electric Power Construction Co Ltd
Priority to CN201820676203.6U priority Critical patent/CN208126135U/en
Application granted granted Critical
Publication of CN208126135U publication Critical patent/CN208126135U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses electric power apparatus monitoring device and remote power equipment monitoring systems, are related to electric apparatus monitoring technical field.Electric power apparatus monitoring device provided by the utility model includes shell structure and functional module, and functional module is set in shell structure.Shell structure includes roof, side wall, mounting plate and sealing ring, side wall is annular in shape and connect with roof, side wall and roof surround installation space, and mounting plate is located in installation space and detachably connected with side wall, and side wall passes through sealing ring far from one end of roof and power equipment is detachably connected.Functional module includes the voltage transformer being all set on mounting plate, current transformer, metering chip, main control chip, data memory module, clock module and communication module.The structure of electric power apparatus monitoring device provided by the utility model and remote power equipment monitoring system is simple, easy to use, and is easily installed, and can be monitored in all directions to power equipment.

Description

Electric power apparatus monitoring device and remote power equipment monitoring system
Technical field
The utility model relates to electric apparatus monitoring technical fields, in particular to electric power apparatus monitoring device and far Journey power equipment monitoring system.
Background technique
This part intends to provides for the embodiments of the present invention stated in claims and specific embodiment Background or context.Description herein recognizes it is the prior art not because not being included in this section.
With the rapid development of computer technology and network communication technology, State Grid Corporation of China specially proposes construction intelligence The target of substation is automatically performed information collection, measurement, control, guarantor using high- speed network communication platform as Information Transmission System The basic functions such as shield, metering and monitoring.Power switch remote monitoring system plays to pass the safe and stable operation of electric system Important role, for power plant, substation, distribution substation, this large-scale electric equipment place of industrial and mining enterprises, this system is for it Safe operation have important guarantee.In China, the demand of power switch complete set of equipments is quick with national economy Development also increases year by year.But the monitoring link of existing power equipment is more weak, the especially electricity to some old models Power equipment does not carry out status monitoring to it separately as the device of monitoring.
Utility model content
The purpose of this utility model is to provide a kind of electric power apparatus monitoring device, structure is simple, easy to use, and It is easily installed, power equipment can be monitored in all directions.
The utility model provides a kind of technical solution:
A kind of electric power apparatus monitoring device is monitored for the parameter to power equipment, the electric apparatus monitoring dress It sets including shell structure and functional module, the functional module is set in the shell structure.The shell structure includes top Wall, side wall, mounting plate and sealing ring, the side wall is annular in shape and connect with the roof, and the side wall is surrounded with the roof Installation space, the mounting plate are located in the installation space and detachably connected with the side wall, and the side wall is far from institute The one end for stating roof is detachably connected by the sealing ring and the power equipment.The functional module includes being all set in Voltage transformer, current transformer, metering chip, main control chip, data memory module, clock module on the mounting plate and Communication module, the voltage transformer and the current transformer are electrically connected with the metering chip respectively, the metering core Piece and the main control chip are electrically connected, the data memory module, the clock module and the communication module with it is described Main control chip is electrically connected, and the voltage transformer and the current transformer are used to acquire three in the power equipment in real time The electric current and voltage of circuitry phase.
Further, the side wall includes wall body portion and fixed part, and the wall body portion and the fixed part connect into " L " Shape, the wall body portion are connect far from one end end of the fixed part with the roof, and the fixed part passes through the sealing ring It is detachably connected with the power equipment.
Further, the shell structure further includes connection bolt, and the fixed part is provided with first through hole, the sealing Circle is provided with the second through-hole being connected to the first through hole, first through hole described in the connection screw bolt passes and described the Two through-holes are simultaneously connect with the power equipment.
Further, the fixed part is additionally provided with recessed portion, and the sealing ring is provided with and recessed portion cooperation Lug boss.
Further, the side wall further includes the mounting portion being set in the wall body portion, and the mounting portion is convexly equipped in institute It states in installation space, and the mounting plate is detachably connected by bolt and the mounting portion.
Further, the quantity of the mounting portion is multiple, and multiple mounting portions are respectively positioned in the installation space, and Multiple mounting portions pass through torsional spring and are rotatably coupled with the wall body portion.The mounting plate is provided with and the mounting portion The consistent third through-hole of quantity and groove, the third through-hole are used to pass through and cooperate with the mounting portion, institute for the bolt Third through-hole and the interlaced setting of the groove are stated, the sectional dimension of the groove is greater than the sectional dimension of the mounting portion.
Further, pivot protrusion is additionally provided on the mounting plate.
Further, the roof is provided with occlusion part, and the occlusion part protrudes the side wall setting.
Further, the functional module further includes display and key, and the display and the main control chip are electrical Connection, the key and the main control chip are electrically connected.
The another object of the utility model is to provide a kind of remote power equipment monitoring system, and structure is simple, uses It is convenient, and be easily installed, power equipment can be monitored in all directions.
The utility model provides a kind of technical solution:
A kind of remote power equipment monitoring system, including remote monitoring terminal and electric power apparatus monitoring device.The electric power Equipment monitoring apparatus includes shell structure and functional module, and the functional module is set in the shell structure.The shell Structure includes roof, side wall, mounting plate and sealing ring, and the side wall is annular in shape and connect with the roof, the side wall and institute State roof and surround installation space, the mounting plate be located at it is in the installation space and detachably connected with the side wall, it is described The one end of side wall far from the roof is detachably connected by the sealing ring and the power equipment.The Functional Module Include the voltage transformer being all set on the mounting plate, current transformer, metering chip, main control chip, data memory module, Clock module and communication module, the voltage transformer and the current transformer are electrically connected with the metering chip respectively, The metering chip and the main control chip are electrically connected, the data memory module, the clock module and the communication mould Block is electrically connected with the main control chip, and the voltage transformer and the current transformer for acquiring the electric power in real time The electric current and voltage of three-phase circuit in equipment.The remote monitoring terminal and the communication module communicate to connect.
Compared with prior art, electric power apparatus monitoring device provided by the utility model and remote power equipment monitoring system Beneficial effect is:
Sealing ring can guarantee sealing when side wall is connect with power equipment, and rainwater penetrates into when preventing outdoor layout.Peace Dress space is for accommodating and installing each functional module.Voltage transformer for acquiring the electricity of the three-phase circuit in power equipment in real time It presses and simultaneously the voltage value decompression is handled, while being also used to that value is transmitted to metering chip by treated.Current transformer is for real When acquisition power equipment in electric current and stream process is dropped to the current value, while being also used to that value is transmitted to metering core by treated Piece.Metering chip is used to calculate electric energy according to current value and voltage value, and transmits it to main control chip.Main control chip for pair Each group of data (including through metering chip treated energy data, current data, voltage data and other data, such as temperature Data, humidity data etc.) it is handled.Meanwhile main control chip is also used to control data memory module, clock module and communication mould The working condition of block.For storing data, clock module under the setting of main control chip for carrying out clock for data memory module Control, communication module are used for and external communication.Electric power apparatus monitoring device provided by the utility model and remote power Supervision The structure of control system is simple, easy to use, and is easily installed, and can be monitored in all directions to power equipment.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of power equipment and electric power apparatus monitoring device that the embodiments of the present invention provide;
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at II;
Fig. 3 is the structural schematic diagram of side wall and sealing ring that the embodiments of the present invention provide;
Fig. 4 is the structural schematic diagram for the sealing ring that the embodiments of the present invention provide;
Fig. 5 is the schematic cross-sectional view in Fig. 4 at V-V;
Fig. 6 is the structural schematic diagram for the mounting plate that the embodiments of the present invention provide;
Fig. 7 is the connection block diagram for the functional module circle that the embodiments of the present invention provide.
Icon:10- electric power apparatus monitoring device;100- shell structure;110- roof;112- occlusion part;120- side wall; 121- wall body portion;122- fixed part;1221- first through hole;1223- recessed portion;123- mounting portion;130- mounting plate;131- Three through-holes;132- groove;133- pivot protrusion;140- sealing ring;The second through-hole of 141-;142- lug boss;150- connection bolt; 200- functional module;210- voltage transformer;220- current transformer;230- metering chip;240- main control chip;250- data Memory module;260- clock module;270- communication module;280- display;290- key.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right" etc. The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ", Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one Ground connection;It can be mechanical connection, be also possible to be electrically connected;Can be and be directly connected to, can also by between intermediary in succession It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
First embodiment
Fig. 1 to Fig. 7 is please referred to, present embodiments provides a kind of electric power apparatus monitoring device 10, structure is simple, user Just, it and is easily installed, power equipment 11 can be monitored in all directions.
It is to be appreciated that electric power apparatus monitoring device 10 provided in this embodiment is for supervising the parameter of power equipment 11 Control, power equipment 11 provided in this embodiment can be the equipment such as power switch cabinet, distribution box, can by equipment monitoring apparatus The working condition realization of power switch cabinet is monitored in real time, and the instantaneous operating conditions can be transmitted to long-range monitoring eventually End, so that administrative staff know the working condition of the power switch cabinet at any time, and then can cope with catastrophic failure in time.
Electric power apparatus monitoring device 10 provided in this embodiment includes shell structure 100 and functional module 200, functional module 200 are set in shell structure 100, and shell structure 100 is used to provide shell for functional module 200 and be installed on electric power and set On standby 11.
Shell structure 100 includes roof 110, side wall 120, mounting plate 130 and sealing ring 140, side wall 120 it is annular in shape and with Roof 110 connects, and side wall 120 and roof 110 surround installation space, and mounting plate 130 is located in installation space and can with side wall 120 It releasably connects, the one end of side wall 120 far from roof 110 is detachably connected by sealing ring 140 and power equipment 11.
Functional module 200 includes the voltage transformer 210 being all set on mounting plate 130, current transformer 220, metering Chip 230, main control chip 240, data memory module 250, clock module 260 and communication module 270,210 He of voltage transformer Current transformer 220 is electrically connected with metering chip 230 respectively, and metering chip 230 and main control chip 240 are electrically connected, data Memory module 250, clock module 260 and communication module 270 are electrically connected with main control chip 240, voltage transformer 210 and electricity Current transformer 220 for acquiring the electric current and voltage of the three-phase circuit in power equipment 11 in real time.
It is appreciated that sealing ring 140 can guarantee sealing when side wall 120 is connect with power equipment 11, it is outdoor to prevent Rainwater penetrates into when setting.Installation space is for accommodating and installing each functional module 200.Voltage transformer 210 for acquiring in real time The voltage of three-phase circuit in power equipment 11 is simultaneously handled the voltage value decompression, while being also used to that value is transmitted to by treated Metering chip 230.Current transformer 220 for the electric current in acquisition power equipment 11 in real time and drops stream process to the current value, It is also used to that value is transmitted to metering chip 230 by treated simultaneously.Metering chip 230 is used to be calculated according to current value and voltage value Electric energy, and transmit it to main control chip 240.Main control chip 240 is used to (including handle each group of data through metering chip 230 Rear energy data, current data, voltage data and other data, such as temperature data, humidity data etc.) it is handled.Together When, main control chip 240 is also used to control the working condition of data memory module 250, clock module 260 and communication module 270.Number For storing data according to memory module 250, clock module 260 leads to for carrying out clock control under the setting of main control chip 240 Believe that module 270 is used for and external communication.The structure of electric power apparatus monitoring device 10 provided in this embodiment is simple, easy to use, And it is easily installed, power equipment 11 can be monitored in all directions.
In the present embodiment, side wall 120 includes wall body portion 121 and fixed part 122, and wall body portion 121 is connect with fixed part 122 At L shape, wall body portion 121 is connect far from one end end of fixed part 122 with roof 110, and fixed part 122 passes through sealing ring 140 It is detachably connected with power equipment 11.
In the present embodiment, shell structure 100 further includes connection bolt 150, and fixed part 122 is provided with first through hole 1221, sealing ring 140 is provided with the second through-hole 141 being connected to first through hole 1221, and it is logical that connection bolt 150 sequentially passes through first Hole 1221 and the second through-hole 141 are simultaneously connect with power equipment 11.
Further, fixed part 122 is additionally provided with recessed portion 1223, and sealing ring 140 is provided with to be cooperated with recessed portion 1223 Lug boss 142.
In the present embodiment, side wall 120 further includes the mounting portion 123 being set in wall body portion 121,123 projection of mounting portion In in installation space, and mounting plate 130 is detachably connected by bolt and mounting portion 123.
Further, in the present embodiment, the quantity of mounting portion 123 is multiple, and it is empty that multiple mounting portions 123 are respectively positioned on installation In, and multiple mounting portions 123 are rotatably coupled by torsional spring with wall body portion 121.Mounting plate 130 is provided with and mounting portion The consistent third through-hole 131 of 123 quantity and groove 132, third through-hole 131 are used to pass through for bolt and cooperate with mounting portion 123, Third through-hole 131 and the interlaced setting of groove 132, the sectional dimension of groove 132 are greater than the sectional dimension of mounting portion 123.
Optionally, in the present embodiment, it is additionally provided with pivot protrusion 133 on mounting plate 130, passes through 133 energy of pivot protrusion It is enough rotatablely installed plate 130, and then third through-hole 131 is aligned with mounting portion 123.
Optionally, in the present embodiment, roof 110 is provided with occlusion part 112, and occlusion part 112 protrudes side wall 120 and is arranged.
In the present embodiment, functional module 200 further includes display 280 and key 290, display 280 and main control chip 240 are electrically connected, and key 290 and main control chip 240 are electrically connected.That is, can be referred to by 290 input control of key It enables, and corresponding operation is realized by main control chip 240.Display 280 under the control of main control chip 240 for carrying out parameter Or the display of state.
The beneficial effect of electric power apparatus monitoring device 10 provided in this embodiment:Sealing ring 140 can guarantee side wall 120 with Sealing when power equipment 11 connects, rainwater penetrates into when preventing outdoor layout.Installation space is for accommodating and installing each function Module 200.Voltage transformer 210 is for acquiring the voltage of the three-phase circuit in power equipment 11 in real time and being depressured to the voltage value Processing, while being also used to that value is transmitted to metering chip 230 by treated.Current transformer 220 is set for acquiring electric power in real time Electric current in standby 11 simultaneously drops stream process to the current value, while being also used to that value is transmitted to metering chip 230 by treated.Metering Chip 230 is used to calculate electric energy according to current value and voltage value, and transmits it to main control chip 240.Main control chip 240 is used for To each group of data (including through treated energy data, current data, voltage data and other data of metering chip 230, such as Temperature data, humidity data etc.) it is handled.Meanwhile main control chip 240 is also used to control data memory module 250, clock mould The working condition of block 260 and communication module 270.For storing data, clock module 260 is used in master data memory module 250 It controls and carries out clock control under the setting of chip 240, communication module 270 is used for and external communication.Electric power provided in this embodiment is set The structure of standby monitoring device 10 is simple, easy to use, and is easily installed, and can be supervised in all directions to power equipment 11 Control.
Second embodiment
Fig. 1 to Fig. 7 is please referred to, a kind of remote power equipment monitoring system (not shown) is present embodiments provided, Structure is simple, easy to use, and is easily installed, and can be monitored in all directions to power equipment 11.
Remote power equipment monitoring system (not shown) provided in this embodiment, including remote monitoring terminal (not shown) and The electric power apparatus monitoring device 10 that first embodiment provides.Electric power apparatus monitoring device 10 includes shell structure 100 and function mould Block 200, functional module 200 are set in shell structure 100.Shell structure 100 includes roof 110, side wall 120, mounting plate 130 And sealing ring 140, side wall 120 is annular in shape and connect with roof 110, and side wall 120 and roof 110 surround installation space, mounting plate 130 is in installation space and detachably connected with side wall 120, and side wall 120 passes through sealing ring far from one end of roof 110 140 is detachably connected with power equipment 11.Functional module 200 includes the voltage transformer being all set on mounting plate 130 210, current transformer 220, metering chip 230, main control chip 240, data memory module 250, clock module 260 and communication mould Block 270, voltage transformer 210 and current transformer 220 are electrically connected with metering chip 230 respectively, metering chip 230 and master control Chip 240 is electrically connected, and data memory module 250, clock module 260 and communication module 270 electrically connect with main control chip 240 It connects, voltage transformer 210 and current transformer 220 for acquiring the electric current and electricity of the three-phase circuit in power equipment 11 in real time Pressure.Remote monitoring terminal and communication module 270 communicate to connect.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of electric power apparatus monitoring device is monitored for the parameter to power equipment, which is characterized in that the electric power is set Standby monitoring device includes shell structure and functional module, and the functional module is set in the shell structure;
The shell structure includes roof, side wall, mounting plate and sealing ring, and the side wall is annular in shape and connect with the roof, The side wall and the roof surround installation space, and the mounting plate is located in the installation space and detachable with the side wall Ground connection, the one end of the side wall far from the roof are detachably connected by the sealing ring and the power equipment;
The functional module includes the voltage transformer being all set on the mounting plate, current transformer, metering chip, master control Chip, data memory module, clock module and communication module, the voltage transformer and the current transformer respectively with it is described Metering chip is electrically connected, and the metering chip and the main control chip are electrically connected, the data memory module, the clock Module and the communication module are electrically connected with the main control chip, and the voltage transformer and the current transformer are used for The electric current and voltage of the three-phase circuit in the power equipment are acquired in real time.
2. electric power apparatus monitoring device according to claim 1, which is characterized in that the side wall includes wall body portion and fixation Portion, the wall body portion and the fixed part connect into L shape, one end end of the wall body portion far from the fixed part with it is described Roof connection, the fixed part are detachably connected by the sealing ring and the power equipment.
3. electric power apparatus monitoring device according to claim 2, which is characterized in that the shell structure further includes connection spiral shell Bolt, the fixed part are provided with first through hole, and the sealing ring is provided with the second through-hole being connected to the first through hole, described First through hole and second through-hole described in connection screw bolt passes are simultaneously connect with the power equipment.
4. electric power apparatus monitoring device according to claim 3, which is characterized in that the fixed part is additionally provided with recess Portion, the sealing ring are provided with the lug boss with recessed portion cooperation.
5. electric power apparatus monitoring device according to claim 2, which is characterized in that the side wall further include be set to it is described Mounting portion in wall body portion, the mounting portion are convexly equipped in the installation space, and the mounting plate passes through bolt and the peace Dress portion is detachably connected.
6. electric power apparatus monitoring device according to claim 5, which is characterized in that the quantity of the mounting portion be it is multiple, Multiple mounting portions are respectively positioned in the installation space, and multiple mounting portions pass through torsional spring and the wall body portion and can turn It connects dynamicly;
The mounting plate, which is provided with, to be used for the consistent third through-hole of the mounting portion quantity and groove, the third through-hole for institute It states bolt to pass through and cooperate with the mounting portion, the third through-hole and the interlaced setting of the groove, the groove is cut Face size is greater than the sectional dimension of the mounting portion.
7. electric power apparatus monitoring device according to claim 6, which is characterized in that be additionally provided with rotation on the mounting plate Protrusion.
8. electric power apparatus monitoring device according to claim 1, which is characterized in that the roof is provided with occlusion part, institute It states occlusion part and protrudes the side wall setting.
9. electric power apparatus monitoring device described in any one of -8 according to claim 1, which is characterized in that the functional module It further include display and key, the display and the main control chip are electrically connected, the key and main control chip electricity Property connection.
10. a kind of remote power equipment monitoring system, which is characterized in that including remote monitoring terminal and as in claim 1-9 Electric power apparatus monitoring device described in any one, the remote monitoring terminal and the communication module communicate to connect.
CN201820676203.6U 2018-05-07 2018-05-07 Electric power apparatus monitoring device and remote power equipment monitoring system Expired - Fee Related CN208126135U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820676203.6U CN208126135U (en) 2018-05-07 2018-05-07 Electric power apparatus monitoring device and remote power equipment monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820676203.6U CN208126135U (en) 2018-05-07 2018-05-07 Electric power apparatus monitoring device and remote power equipment monitoring system

Publications (1)

Publication Number Publication Date
CN208126135U true CN208126135U (en) 2018-11-20

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Application Number Title Priority Date Filing Date
CN201820676203.6U Expired - Fee Related CN208126135U (en) 2018-05-07 2018-05-07 Electric power apparatus monitoring device and remote power equipment monitoring system

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112710880A (en) * 2020-12-31 2021-04-27 张晓雅 Power equipment capable of realizing remote electric energy metering

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112710880A (en) * 2020-12-31 2021-04-27 张晓雅 Power equipment capable of realizing remote electric energy metering

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