CN219590420U - Bidirectional metering device for green electricity quantity collection - Google Patents

Abstract

The utility model discloses a bidirectional metering device for collecting green electricity quantity, which comprises a shell, a plurality of electric meters which are arranged in the shell and can be metered bidirectionally, a data processing module and a communication module, wherein the data processing module is provided with a plurality of input ports, a fixing strip capable of being used for installing a plurality of electric meters is fixed on the inner wall of the shell, the back surface of each electric meter is provided with a fastening structure, the electric meters are connected with the fixing strip in a fastening way through the fastening structure, the electric meters are arranged side by side, an operation hole penetrating from the front surface to the back surface of each electric meter is arranged on each electric meter, the operation hole is used for penetrating through a tool for removing the fastening relation of the fastening structure, the electric meters are electrically connected with the same data processing module, and the data processing module is electrically connected with the communication module. The bidirectional metering device in the scheme can expand the capacity of the metering device according to actual demands, and has the advantages of convenience in capacity expansion operation and low capacity expansion cost.

Description

Bidirectional metering device for green electricity quantity collection

Technical Field

The utility model relates to the technical field of intelligent electric meters, in particular to a bidirectional metering device for collecting green electric quantity.

Background

Green electricity, i.e., green electricity, refers to electrical energy generated by generating electricity from renewable energy sources such as wind energy, solar energy, biomass energy, etc., wherein the emission amount of emissions harmful to the environment in the electricity generation process is zero or tends to zero. The green power transaction refers to that a power utilization enterprise directly connects power generation enterprises such as photovoltaic power generation enterprises and wind power generation enterprises, purchases green electric energy, and obtains corresponding green power consumption certification. When green power trade is performed, the green power amount available for trade owned by the trade object needs to be accurately known, and therefore, the green power amount and the used power amount provided by the trade object need to be collected. In the prior art, a bidirectional metering intelligent ammeter is generally adopted to collect green electricity quantity, and the green electricity quantity which can be used for transaction by a transaction object can be obtained according to the difference value of the green electricity quantity provided by the transaction object and the used electricity quantity.

Chinese patent application publication No. CN215728370U, publication day 2022, 02, month 01, entitled "a bidirectional metering smart meter", discloses a bidirectional metering smart meter, which includes: a housing; the supporting mechanism is arranged in the shell; the bidirectional metering ammeter is arranged on the supporting mechanism; the shell cover is movably hinged to the side end of the shell through two hinges, the side end of the shell cover is fixedly connected with a clamping block, and the side end of the clamping block is provided with a clamping groove; the scheme in the intelligent display can solve the problem that the bidirectional metering ammeter in the prior art is inconvenient to detach after being installed. However, the smart meter in the patent document basically does not have capacity expansion capability, and after a new green power generation device is added near the smart meter, capacity expansion can only be performed by adding a new whole smart meter, so that the capacity expansion cost is relatively high, and the required installation position of the capacity-expanded smart meter needs to be searched again. And the bidirectional metering intelligent ammeter in the patent document does not completely meet the requirements of green electricity quantity collection.

Disclosure of Invention

The utility model provides a bidirectional metering device for collecting green electric quantity, which can expand the capacity of the metering device according to actual requirements and has the advantages of convenience in expansion operation and low expansion cost.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a two-way metering device for green electric quantity gathers, includes the shell to and a plurality of bi-directional metering's in the shell ammeter, have data processing module and the communication module of a plurality of input port, be fixed with the fixed strip of mountable a plurality of ammeter on the inner wall of shell, the back of ammeter is equipped with buckle structure, the ammeter passes through buckle structure and fixed strip joint and a plurality of ammeter sets up side by side, be equipped with the operating hole that pierces through to the back from the front of ammeter on the ammeter, the operating hole is used for passing the instrument that is used for relieving buckle structure joint relation, and a plurality of ammeter all is connected with same data processing module electricity, and data processing module is connected with the communication module electricity.

According to the technical scheme, the electric meter can judge whether the electric quantity measured by the electric meter is the generated energy or the used electric quantity of the equipment according to the current direction. The fixed strip can install a plurality of ammeter according to actual need, data processing module has a plurality of input ports, can input the electric quantity information of different ammeter to data processing module, integrates into a unified signal through data processing module and carries communication module, and the rethread communication module outwards sends. According to the electric quantity meter in the scheme, the installation requirements of a plurality of electric meters capable of measuring in two directions can be met, after the electric quantity meter is installed, capacity expansion can be conveniently carried out according to actual requirements, the electric meter is only required to be increased in the electric quantity meter, the electric meter is electrically connected with a circuit to be measured, and then the electric meter is electrically connected with an input port of a data processing module. And the ammeter and the fixed strip joint make things convenient for the installation of ammeter, make things convenient for the later stage to expand the volume. When dismantling the ammeter, the instrument directly passes the operating hole and dismantles, can not contact with the wire of ammeter upper and lower end, does not need to dismantle the wire of ammeter lower extreme, makes things convenient for the dilatation in-process to adjust ammeter position, also makes things convenient for quick dismantlement when later stage overhauls.

Because the data volume that the ammeter needs to handle and send is not many, can carry out the data processing of a plurality of ammeter through a conventional data processing module, can reduce the quantity and the cost of data processing module, practice thrift the space in the electric quantity strapping table simultaneously, also can reduce communication module quantity and cost, when reducing communication module quantity, can reduce the signal mutual interference of a plurality of communication modules.

Preferably, the buckle structure comprises a clamping groove arranged on the back of the electric meter, the clamping groove is matched with the fixing strip, the upper end face of the clamping groove is provided with a first protruding portion protruding downwards, the lower end face of the clamping groove is provided with an elastic piece and a clamping piece in sliding connection with the clamping groove, the upper end of the clamping piece is provided with a second protruding portion, the elastic piece is connected with the clamping piece and the electric meter, the second protruding portion stretches into the clamping groove and is connected with the fixing strip in a clamping mode, the clamping piece is provided with a guiding inclined plane towards one end of the operation hole, and when the tool stretches into the operation hole and is abutted with the guiding inclined plane, the clamping piece slides towards a direction away from the clamping groove.

In the above technical scheme, first bulge and second bulge cooperation can be with the ammeter chucking on the fixed strip. When the ammeter is required to be installed, the first protruding part is clamped into the upper end of the fixing strip, then common tools such as a screwdriver and an electric pencil are stretched into the operation hole, the guide inclined plane is extruded, the clamping piece can slide in the direction away from the clamping groove, after the lower end of the ammeter is placed in place, the tool is loosened, and the second protruding part stretches into the clamping groove and is clamped with the fixing strip, so that the ammeter can be installed rapidly. When the ammeter is required to be disassembled, only common tools such as a screwdriver, an electroprobe and the like are required to extend into the operation hole, and the guide inclined plane is extruded, so that the clamping piece can slide in the direction away from the clamping groove, and the ammeter can be rapidly taken down from the fixing strip. And this take off in-process instrument and directly pass the operation hole, can not contact with the wire of ammeter upper and lower end, need not dismantle the wire of ammeter lower extreme, quick dismantlement when making things convenient for later stage maintenance. When the ammeter is additionally installed, the electric wires at the upper end and the lower end of the ammeter can be connected and then installed.

Preferably, one end of the second protruding portion, which is far away from the clamping groove, is provided with a guide surface for facilitating the fixing strip to be clamped into the clamping groove. In the scheme, the guide surface can play a guide role in mounting the ammeter. When the ammeter is installed, the first protruding part is clamped into the fixing strip, then the lower end of the ammeter is moved, the guide surface is extruded with the fixing strip, under the action of the guide surface, the second protruding part and the clamping piece slide in the direction away from the clamping groove, after the lower end of the ammeter is placed in place, the second protruding part stretches into the clamping groove under the action of elasticity and is clamped with the fixing strip, the ammeter can be quickly installed, other tools are not needed to assist in the process, other additional operations are not needed, only two simple actions are needed, and the installation efficiency can be improved.

Preferably, the inner wall of the shell is also fixed with a first terminal row and a second terminal row, the first terminal row and the second terminal row both comprise a plurality of plug-in wiring terminals, and the ammeter is electrically connected with the plug-in wiring terminals in the first terminal row and the second terminal row respectively through wires.

According to the scheme, when the capacity of the electricity meter is expanded, the electricity meter can be electrically connected with the male plug of the plug-in type wiring terminal in advance, so that the wiring amount in the electricity meter is reduced, and the overall working efficiency is improved. When overhauling and maintaining the ammeter in the later stage, need not carry out rewiring, only need break away from public plug and female socket, then untie the joint of ammeter fixed strip and can realize quick dismantlement.

Preferably, the communication module is a wireless communication module, the communication module comprises a communication chip and an antenna, the communication chip is electrically connected with the data processing module, the antenna is arranged on the outer side of the shell, and the antenna is electrically connected with the output end of the communication chip through a wire so as to wirelessly send the integrated electric quantity data of the data processing module to the outside through the communication module.

According to the technical scheme, the wireless communication module can realize communication between the bidirectional metering device and external equipment in occasions where connection of communication wires is inconvenient, and the field wiring cost is reduced. According to the scheme, the antenna body is arranged on the outer side of the shell, so that the receiving and transmitting strength of signals can be increased.

Preferably, the antenna comprises a base and an antenna body fixed on the base, wherein a magnet is fixed in the base. The scheme can adsorb the antenna on the shell of iron, also can fix in other positions that can receive the signal more easily and can be inhaled by magnetism.

Preferably, a display is fixed on the housing, and the display is electrically connected with the data processing module so as to display the electric quantity data of the plurality of electric meters. The display can display the data of each ammeter in the electric quantity meter, so that the on-site staff can check conveniently.

Preferably, a plurality of fish gill-shaped heat dissipation holes are formed in the side wall of the shell. The heat dissipation holes facilitate heat dissipation of the shell.

Preferably, the fixing strips are transversely arranged, and the electric meters are transversely arranged on the fixing strips side by side.

Preferably, the first terminal strip is transversely arranged above the fixing strip, the second terminal strip is transversely arranged below the fixing strip, and a plurality of threading through holes convenient for threading are formed in the lower wall of the shell. The scheme is convenient to arrange wires in the electricity meter, convenient to route and convenient to maintain in later period. The threading through hole is arranged on the lower wall of the shell, so that a certain waterproof effect can be achieved.

Preferably, a wire slot is arranged on one side of the fixing strip. The wire slots facilitate wiring.

Preferably, the system further comprises a signal relay station and a server, wherein the signal relay station is in communication connection with the server, the communication module is in wireless communication connection with the signal relay station, and the electric quantity data measured by the electric meter are sent to the server through the communication module and the signal relay station.

In the technical scheme, the signal relay station can strengthen signals transmitted by the plurality of electricity meters and send the signals, and the server can process and store data in the background and is convenient for a worker to call when green electricity transaction settlement is carried out. By providing a signal relay station, the power meter can be set up at locations where the signal of some telecommunication service provider is not good.

Drawings

FIG. 1 is a schematic diagram of a power meter according to the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the electricity meter 3 of the present utility model;

fig. 4 is a schematic structural view of the present utility model.

In the figure: the electric quantity meter 1, the shell 2, the threading through hole 2.1, the radiating hole 2.2, the electric meter 3, the data processing module 4, the communication module 5, the chip 5.1, the antenna 5.2, the base 5.2.1, the antenna body 5.2.2, the fixing strip 6, the buckle structure 7, the clamping groove 7.1, the first protruding part 7.2, the elastic piece 7.3, the clamping piece 7.4, the second protruding part 7.5, the operation hole 7.6, the guide surface 7.7, the guide inclined plane 7.8, the first terminal row 8, the second terminal row 9, the display 10 and the wire slot 11.

Detailed Description

The utility model is further described below with reference to the drawings and specific embodiments.

Example 1:

as shown in fig. 1 to 4, a bidirectional metering device for collecting green electricity quantity comprises an electricity quantity meter 1, a signal relay station and a server, wherein the electricity quantity meter 1 comprises a shell 2, a plurality of electricity meters 3 capable of bidirectionally metering, a data processing module 4 with a plurality of input ports and a communication module 5, which are arranged in the shell 2, a fixing strip 6 capable of installing a plurality of the electricity meters 3 is fixed on the inner wall of the shell 2, the electricity meters 3 are clamped with the fixing strip 6, the plurality of the electricity meters 3 are arranged side by side, the plurality of the electricity meters 3 are electrically connected with the data processing module 4, the data processing module 4 is electrically connected with the communication module 5, the communication module 5 is in wireless communication connection with the signal relay station so as to integrate the electricity quantity data measured by the electricity meters 3 and then transmit the integrated electricity quantity data measured by the electricity meters 3 to the signal relay station through the communication module 5, and the signal relay station is in communication connection with the server so as to transmit the electricity quantity data measured by the electricity meters 3 to the server.

In the above technical scheme, the electric meter 3 can determine whether the electric quantity measured by the electric meter 3 is the generated energy or the used electric quantity of the equipment according to the current direction. The fixing strip 6 can be provided with a plurality of electric meters 3 according to actual needs, the data processing module 4 is provided with a plurality of input ports, electric quantity information of different electric meters 3 can be input into the data processing module 4, and the electric quantity information is integrated into a unified signal through the data processing module 4 and is transmitted to the communication module 5, and then is transmitted outwards through the communication module 5. The electric meter 3, the data processing module 4 with a plurality of input ports and the communication module 5 are all arranged in the shell. According to the scheme, the electricity meter 1 can meet the installation requirements of a plurality of electricity meters 3 capable of measuring in two directions, after the electricity meter 1 is installed, capacity expansion can be conveniently carried out according to actual requirements, the electricity meters 3 are only required to be added in the electricity meter, the electricity meters 3 are electrically connected with circuits to be measured and the electricity meters 3, and then the electricity meters 3 are electrically connected with the input ports of the data processing module 4. And ammeter 3 passes through buckle structure 7 and fixed strip 6 joint, makes things convenient for ammeter 3's installation and dismantlement, also can make things convenient for the later stage to expand the appearance. Because the data amount that the ammeter 3 needs to process and send is not much, the data processing of a plurality of ammeter 3 can be performed through one conventional data processing module 4, the number and cost of the data processing modules 4 can be reduced, meanwhile, the space in the electricity meter 1 can be saved, the number and cost of the communication modules 5 can be reduced, the number of the communication modules 5 can be reduced, and meanwhile, the mutual interference of signals of a plurality of communication modules 5 can be reduced. The signal relay station can strengthen the signals transmitted by the plurality of electricity quantity meters 1 and send the signals, and the server can process and store data in the background and is convenient for a worker to call when green electricity transaction settlement is carried out. By providing a signal relay station, the electricity meter 1 can be set up at a location where the signal of some telecommunication service provider is bad.

Preferably, the inner wall of the housing 2 is further fixed with a first terminal row 8 and a second terminal row 9, and the first terminal row 8 and the second terminal row 9 each include a plurality of plug-in connection terminals, and the electric meter 3 is electrically connected with the plug-in connection terminals in the first terminal row 8 and the second terminal row 9 respectively through wires.

According to the technical scheme, the plug-in type wiring terminal can separate the male plug and the female socket when wiring is completed, and then the male plug is connected with the female socket after wiring is completed, so that electric connection is realized. After the electricity meter 1 is installed on site, the difficulty of connecting the circuit in the electricity meter is larger than that of connecting the circuit in a factory or other suitable places in a higher position or in a relatively narrow space, so that the working efficiency and the working difficulty of the site are affected. According to the scheme, when the capacity of the electric quantity meter 1 is expanded, the electric meter 3 can be electrically connected with the male plug of the plug-in type wiring terminal in advance, so that the wiring quantity in the electric quantity meter 1 is reduced, and the overall working efficiency is improved. When overhauling and maintaining ammeter 3 in the later stage, need not carry out rewiring, only need break away from public plug and female socket, then untie the joint of ammeter 3 fixed strip 6 can realize quick dismantlement.

Preferably, the communication module 5 is a wireless communication module, the communication module 5 includes a communication chip 5.1 and an antenna 5.2, the communication chip 5.1 is electrically connected with the data processing module 4, the antenna 5.2 is disposed outside the housing 2, and the antenna 5.2 is electrically connected with an output end of the communication chip 5.1 through a wire, so that after the data processing module 4 is integrated, the electric quantity data is wirelessly transmitted to the outside through the communication module 5.

In the above technical scheme, the wireless communication module 5 can realize communication between the bidirectional metering device and external equipment in occasions where the wiring of communication lines is inconvenient, so that the field wiring cost is reduced. According to the scheme, the antenna 5.2 body is arranged outside the shell 2, so that the receiving and transmitting strength of signals can be increased.

Preferably, the antenna 5.2 includes a base 5.2.1 and an antenna body 5.2.2 fixed on the base 5.2.1, and a magnet is fixed in the base 5.2.1. The solution can adsorb antenna 5.2 on the shell 2 of iron, also can fix in other positions that can receive the signal more easily and can be inhaled by magnetism.

Preferably, a display 10 is fixed on the housing 2, and the display 10 is electrically connected with the data processing module 4 to display the electric quantity data of the plurality of electric meters 3. The display 10 can display the data of each ammeter 3 in the electric quantity meter 1, so that the on-site staff can conveniently check the data. And the display 10 is in a normally closed state, so that the service life of the display 10 can be prolonged, and electricity can be saved.

Preferably, a plurality of fish gill-shaped heat dissipation holes 2.2 are formed in the side wall of the shell 2. The heat dissipation holes 2.2 facilitate heat dissipation of the housing 2.

Preferably, the fixing strips 6 are transversely arranged, and the plurality of electric meters 3 are transversely arranged on the fixing strips 6 side by side.

Preferably, the first terminal row 8 is transversely arranged above the fixing strip 6, the second terminal row 9 is transversely arranged below the fixing strip 6, and a plurality of threading through holes 2.1 which are convenient for threading are formed in the lower wall of the housing 2. The scheme is convenient to arrange the wires in the electricity meter 1, convenient to route and convenient to maintain in later period. The threading through hole 2.1 is arranged on the lower wall of the shell 2 and can play a certain role in water resistance.

Preferably, a wire slot 11 is provided on one side of the fixing strip 6. The wire slots 11 facilitate routing.

It will be appreciated that in another embodiment, the wires of the circuit to be measured may be connected directly to the terminals on the electricity meter 3.

Connectable, in another embodiment, the communication module may also be: the communication module with wired connection is used in some occasions with larger wireless signal interference.

Example 2:

as shown in fig. 1, 2 and 3, on the basis of embodiment 1, the fixing strip 6 is an electrical installation guide rail, the back of the electricity meter 3 is provided with a fastening structure 7, the fastening structure comprises a clamping groove 7.1 arranged on the back of the electricity meter 3, the clamping groove 7.1 is adapted to the fixing strip 6, the upper end surface of the clamping groove 7.1 is provided with a first protruding part 7.2 protruding downwards, the lower end surface of the clamping groove 7.1 is provided with an elastic part 7.3 and a clamping piece 7.4 connected with the clamping groove 7.1 in a sliding manner, the upper end of the clamping piece 7.4 is provided with a second protruding part 7.5, the elastic part 7.3 is connected with the clamping piece 7.4 and the electricity meter 3, so that the second protruding part 7.5 on the clamping piece 7.4 stretches into the clamping groove 7.1 and is clamped with the fixing strip 6, an operation hole 7.6 penetrating from the front of the electricity meter 3 to the back is arranged on the electricity meter 3, one end of the clamping piece 7.4 facing the operation hole 7.6 is provided with a guiding inclined plane 7.8, and the clamping piece 7.4 stretches into the guiding plane in a direction away from the guiding plane 7.8 when the clamping piece 7.4 is connected with the guiding plane.

In the above technical scheme, the first protruding portion 7.2 and the second protruding portion 7.5 cooperate, and the ammeter 3 can be clamped on the fixing strip 6. When the ammeter 3 needs to be installed, the first protruding portion 7.2 is clamped into the upper end of the fixing strip 6, then common tools such as a screwdriver and an electric pencil extend into the operation hole 7.6, the guide inclined plane 7.8 is extruded, the clamping piece 7.4 can slide in the direction away from the clamping groove 7.1, after the lower end of the ammeter 3 is placed in place, the tool is loosened, the second protruding portion 7.5 extends into the clamping groove 7.1 and is clamped with the fixing strip 6, and then the ammeter 3 can be installed quickly. When the ammeter 3 needs to be disassembled, only common tools such as a screwdriver, an electric pencil and the like are required to extend into the operation hole 7.6, and the guide inclined plane 7.8 is extruded, so that the clamping piece 7.4 can slide in the direction away from the clamping groove 7.1, and the ammeter 3 can be quickly taken down from the fixing strip 6. And this take off in-process instrument and directly pass operation hole 7.6, can not contact with the wire of ammeter 3 upper and lower extreme, need not dismantle the wire of ammeter 3 lower extreme, quick dismantlement when convenient later stage overhauls. When the ammeter 3 is additionally installed, the electric wires at the upper end and the lower end of the ammeter 3 can be connected and then installed.

Preferably, a guiding surface 7.7 for facilitating the fixing strip 6 to be clamped into the clamping groove 7.1 is arranged at one end of the second protruding portion 7.5 away from the clamping groove 7.1. In the above-described solution, the guide surface 7.7 can act as a guide when the electricity meter 3 is installed. When the ammeter 3 is installed, the first protruding portion 7.2 is clamped into the fixing strip 6, then the lower end of the ammeter 3 is moved, the guide surface 7.7 is extruded with the fixing strip 6, under the action of the guide surface 7.7, the second protruding portion 7.5 and the clamping piece 7.4 slide in the direction away from the clamping groove 7.1, after the lower end of the ammeter 3 is placed in place, the second protruding portion 7.5 stretches into the clamping groove 7.1 under the action of elasticity and is clamped with the fixing strip 6, the ammeter 3 can be quickly installed, other tools are not needed to assist in the process, other additional operations are not needed, only two simple actions are needed, and the installation efficiency can be improved.

Claims (10)

1. A two-way metering device for green electric quantity collection, characterized by, including the shell to and a plurality of ammeter that sets up in the shell can two-way metering, have data processing module and the communication module of a plurality of input port, be fixed with the fixed strip of mountable a plurality of ammeter on the inner wall of shell, the back of ammeter is equipped with buckle structure, the ammeter passes through buckle structure and fixed strip joint and a plurality of ammeter and sets up side by side, be equipped with the operating hole that pierces through the back from the front of ammeter on the ammeter, the operating hole is used for passing the instrument that is used for relieving buckle structure joint relation, and a plurality of ammeter all is connected with same data processing module electricity, and data processing module and communication module electricity are connected.

2. The bidirectional metering device for collecting green electricity quantity according to claim 1, wherein the fastening structure comprises a clamping groove arranged on the back of the electric meter, the clamping groove is matched with the fixing strip, a first protruding portion protruding downwards is arranged on the upper end face of the clamping groove, an elastic piece and a clamping piece connected with the clamping groove in a sliding mode are arranged on the lower end face of the clamping groove, a second protruding portion is arranged at the upper end of the clamping piece, the elastic piece is connected with the clamping piece and the electric meter, the second protruding portion stretches into the clamping groove and is clamped with the fixing strip, and a guiding inclined face is arranged at one end of the clamping piece, facing the operation hole, of the clamping piece, so that the clamping piece slides in a direction away from the clamping groove when a tool stretches into the operation hole and abuts against the guiding inclined face.

3. The bidirectional metering device for collecting green electricity quantity according to claim 2, wherein one end of the second protruding part far away from the clamping groove is provided with a guide surface for facilitating the clamping of the fixing strip into the clamping groove.

4. The bidirectional metering device for collecting green electricity quantity according to claim 1, wherein a first terminal row and a second terminal row are further fixed on the inner wall of the shell, each of the first terminal row and the second terminal row comprises a plurality of plug-in wiring terminals, and the electricity meter is electrically connected with the plug-in wiring terminals in the first terminal row and the second terminal row through wires respectively.

5. The bidirectional metering device for collecting green electricity according to any one of claims 1 to 4, wherein the communication module is a wireless communication module, the communication module comprises a communication chip and an antenna, the communication chip is electrically connected with the data processing module, the antenna is arranged outside the housing, and the antenna is electrically connected with an output end of the communication chip through a wire so as to wirelessly transmit the integrated electricity data of the data processing module to the outside through the communication module.

6. The bi-directional metering device for green electricity collection according to claim 5, wherein the antenna comprises a base and an antenna body fixed on the base, and a magnet is fixed in the base.

7. A bi-directional metering device for green electricity as claimed in any one of claims 1 to 4 wherein a display is fixed to said housing, said display being electrically connected to the data processing module for displaying the electricity data of a plurality of electricity meters.

8. The bi-directional metering device for green electricity collection according to claim 4, wherein the fixing bars are arranged transversely, and a plurality of electricity meters are arranged transversely side by side on the fixing bars.

9. The bidirectional metering device for collecting green electricity quantity according to claim 8, wherein the first terminal row is transversely arranged above the fixing strip, the second terminal row is transversely arranged below the fixing strip, and a plurality of threading through holes facilitating threading are formed in the lower wall of the housing.

10. The bi-directional metering device for green electricity collection according to any one of claims 1 to 4, further comprising a signal relay station and a server, wherein the signal relay station is in communication connection with the server, the communication module is in wireless communication connection with the signal relay station, and the electric quantity data measured by the electric meter are sent to the server through the communication module and the signal relay station.