阅读说明：本技术 一种可带电更换的轻小高压电能表及其应用 (Light and small high-voltage electric energy meter capable of being replaced in electrified mode and application thereof ) 是由 陈劲游 陈通 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种可带电更换的轻小高压电能表及其应用,包括有一个单相高压电能表,所述单相高压电能表包括有绝缘支撑部和单相高压计量部,所述绝缘支撑部上设有分别与高压电网连接的上插座、下插座和引出端插座,所述单相高压计量部上设有上插头、下插头和电压引出端,所述电压引出端通过连接线与引出插头连接,所述上插座、下插座、引出端插座分别与上插头、下插头、引出插头插拔式连接,更换时单人容易控制重心移动,更换操作省力方便,还可进一步实现带负荷不中断计量更换和防误更换。(The invention discloses a light and small high-voltage electric energy meter capable of being replaced in an electrified way and application thereof, and the light and small high-voltage electric energy meter comprises a single-phase high-voltage electric energy meter, wherein the single-phase high-voltage electric energy meter comprises an insulating supporting part and a single-phase high-voltage metering part, an upper socket, a lower socket and a leading-out terminal socket which are respectively connected with a high-voltage power grid are arranged on the insulating supporting part, an upper plug, a lower plug and a voltage leading-out terminal are arranged on the single-phase high-voltage metering part, the voltage leading-out terminal is connected with the leading-out plug through a connecting wire, the upper socket, the lower socket and the leading-out terminal socket are respectively connected with the upper plug, the lower plug and the leading-out plug in and out plug in.)

1. The utility model provides a light little high-voltage electric energy meter that can change with electricity which characterized in that: the single-phase high-voltage electric energy meter comprises a single-phase high-voltage electric energy meter (1), wherein the single-phase high-voltage electric energy meter (1) comprises an insulating supporting part (11) and a single-phase high-voltage metering part (12), an upper socket (111), a lower socket (113) and a leading-out terminal socket (112) which are respectively connected with a high-voltage power grid are arranged on the insulating supporting part (11), an upper plug (121), a lower plug (123) and a voltage leading-out terminal (122) are arranged on the single-phase high-voltage metering part (12), the voltage leading-out terminal (122) is connected with a leading-out plug (124) through a connecting wire (3), and the upper socket (111), the lower socket (113) and the leading-out terminal socket (112) are respectively connected with the upper plug (121.

2. the light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 1, wherein: the upper socket (111) and the lower socket (113) are respectively provided with two sockets, and the two sockets are connected between the two upper sockets (111) and between the two lower sockets (113).

3. the light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 1, wherein: the leading-out end socket (112) comprises a connecting plate (1121) connected with an insulating supporting part (11), a movable plate (1122) is hinged to the connecting plate (1121), a reset spring (1123) is arranged between baffles on the movable plate (1122) and the connecting plate (1121), a slotted hole (1124) is formed in the movable plate (1122), a base (1125) connected with the B phase or the ground of a high-voltage power grid is connected to the lower end of the connecting plate (1121), a base double-groove (1126) with an opening in the side face is formed in the base (1125), the leading-out plug (124) comprises a conductive bent plug (1241) connected with the connecting wire (3), a bent plug transverse shaft (1242) hinged to the base double-groove (1126) is arranged at the lower end of the conductive bent plug (1241), a pushing-up (1243) is arranged at the upper end of the conductive bent plug (1241), and the movable plate (1122) is pushed upwards to clamp the conductive bent plug (1) into the slotted hole (1124) at the upper end (1124) when the The upper end of the leading-out plug (124) is buckled under the elastic force of the return spring (1123) to prevent the upper end of the leading-out plug (124) from falling off.

4. The light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 1, wherein: be equipped with insulating crust and even as an organic whole with single-phase high-voltage measurement portion (12) insulating overcoat on connecting wire (3) when voltage on single-phase high-voltage measurement portion (12) is drawn forth end (122) and connecting wire (3) fixed connection, or voltage on single-phase high-voltage measurement portion (12) is drawn forth end (122) and connecting wire (3) and is equipped with insulating crust and voltage and draw forth end (122) and upper plug (121), lower plug (123) and be equipped with insulating full skirt (4) respectively at insulating overcoat on connecting wire (3) when connecting for dismantling.

5. The light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 1, wherein: the upper socket (111) and the lower socket (113) are provided with anti-falling locking devices (6) used for locking the upper plug (121) and the lower plug (123) respectively, or the upper socket (111) is provided with the anti-falling locking device (6) used for locking the upper plug (121).

6. The light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 5, wherein: when last socket (111) is equipped with anticreep locking device (6), anticreep locking device (6) are including anticreep cover (61) and spring (62) that are used for the block on last plug (121), anticreep cover (61) is connected to spring (62) one end, another termination of spring (62) is on last socket (111), when socket (113) is equipped with anticreep locking device (6) down, anticreep locking device (6) are including anticreep cover (61) and spring (62) that are used for the block on plug (123) down, anticreep cover (61) is connected to spring (62) one end, another termination of spring (62) is on socket (113) down.

7. The light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 2, wherein: and anti-misoperation locking devices (7) are respectively arranged between the two upper sockets (111) and between the two lower sockets (113), or the anti-misoperation locking device (7) is arranged between the two upper sockets (111).

8. The light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 7, wherein: when the anti-misoperation locking device (7) is arranged between the two upper sockets (111), the anti-misoperation locking device (7) comprises two elastic lock catches (71) which are hinged and matched with each other, each elastic lock catch (71) comprises a driving rod (711) and a driven lock hook (712), when the upper plug (121) is inserted into the upper socket (111), the driving rod (711) of each elastic lock catch (71) is pushed and the driven lock hook (712) is linked to unlock the plug (121) on the other side, when the plug is pulled out, the driving rod (711) of the other elastic lock catch (71) is released, and under the action of elasticity, the driven lock hook (712) of the other elastic lock catch (71) is linked to lock the upper plug (121) on the other side; when the anti-misoperation locking device (7) is arranged between the two lower sockets (113), the anti-misoperation locking device (7) comprises two hinged and mutually matched elastic latches (71), each elastic latch (71) comprises a driving rod (711) and a driven latch (712), when the lower plug (123) is inserted into the lower socket (113), the driving rod (711) of the elastic latch (71) is pushed and the driven latch (712) is linked to unlock the lower plug (123) on the other side, the driving rod (711) of the other elastic latch (71) is released when the lower plug is pulled out, and the driven latch (712) of the other elastic latch (71) is linked to lock the lower plug (123) on the other side under the action of the elastic force.

9. The light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 1, wherein: go up socket (111) and be equipped with socket contact (1111), be equipped with side open-ended socket double flute (1131) and lower socket contact (1132) on socket (113) down, it is equipped with plug contact (1211) to go up plug (121), be equipped with plug cross axle (1231) and lower plug contact (1232) on lower plug (123), plug cross axle (1231) articulates in socket double flute (1131) and makes lower plug contact (1232) and lower socket contact (1132), go up plug contact (1211) and be connected with last socket contact (1111) through rotating respectively, be equipped with anticreep elasticity buckle (1112) that pin plug contact (1211) on going up socket (111).

10. The light and small high-voltage electric energy meter capable of being replaced with electricity according to claim 1, wherein: and an installation hook (8) is arranged on the upper socket (111) of the insulation supporting part (11).

11. The utility model provides an adopt two high-voltage electric energy meters to realize three-phase three-wire high voltage electric energy measurement's connection structure which characterized in that: the single-phase high-voltage electric energy meter (1) comprises two single-phase high-voltage electric energy meters (1) according to any one of claims 1 to 10, wherein an upper socket (111) and a lower socket (113) on an insulating support part (11) of one single-phase high-voltage electric energy meter (1) are connected in series between a power supply and a load of a high-voltage power grid phase A, and a leading-out socket (112) is connected with a high-voltage power grid B, an upper socket (111) and a lower socket (113) on an insulating support part (11) of the other single-phase high-voltage electric energy meter (1) are connected in series between a power supply and a load of a high-voltage power grid phase C, and the leading-out socket (.

12. The utility model provides an adopt three high-voltage electric energy meter to realize connection structure of three-phase four-wire high-voltage electric energy measurement which characterized in that: comprising a single-phase high-voltage electric energy meter (1) according to any one of claims 1 to 10, the number of the single-phase high-voltage electric energy meters (1) is three, an upper socket (111) and a lower socket (113) on an insulating supporting part (11) of the first single-phase high-voltage electric energy meter (1) are connected in series between a power supply and a load of a high-voltage power grid phase A, the outlet socket (112) is grounded, the upper socket (111) and the lower socket (113) on the insulating support part (11) of the second single-phase high-voltage electric energy meter (1) are connected in series between the power supply and the load of the B phase of the high-voltage power grid, the outlet socket (112) is grounded, the upper socket (111) and the lower socket (113) on the insulating support part (11) of the third single-phase high-voltage electric energy meter (1) are connected in series between the power supply and the load of the high-voltage network C phase, and the outlet sockets (112) are grounded, and the supports of the outlet sockets (112) of the three single-phase high-voltage electric energy meters (1) can be non-insulators.

[ technical field ]

The invention relates to a metering instrument, in particular to a light and small high-voltage electric energy meter capable of being replaced in an electrified way and between 6kV and 35kV and application thereof.

[ background art ]

The high-voltage electric energy meter is a novel instrument directly connected to a 6 kV-35 kV power line to measure active electric energy and reactive electric energy, and comprises a high-voltage current voltage sensor, a high-voltage power supply unit, an electric energy metering unit, a built-in metering display unit, a communication unit and the like which are arranged in the same shell, wherein the high-voltage current voltage sensor, the high-voltage power supply unit, the electric energy metering unit, the built-in metering display unit, the communication unit and the like are arranged in the same shell, the voltage is far higher than the common 220V mains supply, the safety distance is much larger, the damage to a human body caused by electric shock is more serious, the insulation level of equipment is required to be much higher, the safety distance between the human body and electrified equipment is required to be much larger, if the safety working rules of the national electric industry are stipulated, the safety distance between an operator on duty and uninterrupted power equipment is 0.7m, so that the high voltage of, the secondary circuit and the test junction box are connected into the electric energy meter to realize high-voltage electric energy metering, the voltage and current of the electric energy meter to the ground rated voltage do not exceed 100V, when the electric energy meter connected into the secondary circuit is verified and replaced according to the regulations, high-voltage equipment is not required to be powered off, and the personal equipment safety can be ensured.

The high-voltage electric energy meter is directly connected to a 6 kV-35 kV power line, hereinafter referred to as a high-voltage power grid, a high-voltage sensor, a current sensor, an electric energy metering module, a communication module and the like are integrated and packaged in an insulating outer sleeve to form a high-voltage metering part, and the high-voltage metering part is mounted on mounting points such as a rack through an insulating support, so that the external structure of the high-voltage electric energy meter is greatly simplified compared with that of a traditional high-voltage metering device, and the high-voltage electric energy meter has the advantages of high precision, small volume, light weight, low power consumption, electricity lar. However, the common high-voltage electric energy meter can not be assembled and disassembled in a live-line manner when being connected to a high-voltage power grid, in order to ensure personal safety, strict requirements and complex operation steps are required for replacement and verification according to regulations, power failure, electricity testing and grounding are required, and popularization and application of the high-voltage electric energy meter are influenced.

in order to solve the problem, for example, in the invention patents of china, "the application number of a high-voltage electric energy meter with a metering unit capable of being replaced in an electrified manner is CN 201410286179.1" and "the application number of a configurable novel high-voltage electric energy meter is cn201710353079. x", beneficial improvements are made, but the electric energy metering module of the high-voltage electric energy meter can only be replaced in an electrified manner, and an integral structure of a voltage sensor, a current sensor and an electric energy metering module of the high-voltage electric energy meter is damaged. This brings new problems to the error inspection and management of the high voltage electric energy meter, for example, errors of the voltage sensor, the current sensor and each part of the electric energy metering module need to be separately inspected, and the workload of error inspection and management is increased.

In order to solve the problem, the invention of the chinese patent application, which is a high-voltage electric energy device with convenient assembly and disassembly, is CN109100554A, although the voltage sensor and the current sensor can be replaced together, the conductive rod needs to be added, and more importantly, the volume is not small enough, the weight is not light enough, and the replacement is not convenient enough.

[ summary of the invention ]

The invention overcomes the defects of the technology, provides the light and small high-voltage electric energy meter capable of being replaced in an electrified way and the application thereof, and the gravity center movement can be easily controlled by a single person during replacement, the replacement operation is labor-saving and convenient, and the uninterrupted metering replacement and the error-prevention replacement in an electrified way can be further realized.

In order to achieve the purpose, the invention adopts the following technical scheme:

A light and small high-voltage electric energy meter capable of being replaced with electricity comprises a single-phase high-voltage electric energy meter 1, wherein the single-phase high-voltage electric energy meter 1 comprises an insulating supporting part 11 and a single-phase high-voltage metering part 12, an upper socket 111, a lower socket 113 and a leading-out end socket 112 which are respectively connected with a high-voltage power grid are arranged on the insulating supporting part 11, an upper plug 121, a lower plug 123 and a voltage leading-out end 122 are arranged on the single-phase high-voltage metering part 12, the voltage leading-out end 122 is connected with the leading-out plug 124 through a connecting wire 3, and the upper socket 111, the lower socket 113 and the leading-out end socket 112 are respectively connected with the upper plug 121, the lower.

According to the light and small high-voltage electric energy meter capable of being replaced with electricity, the number of the upper sockets 111 and the number of the lower sockets 113 are two, and the two upper sockets 111 and the two lower sockets 113 are connected with each other.

The light and small high-voltage electric energy meter capable of being replaced with electricity as described above, the outlet socket 112 includes a connection plate 1121 connected to the insulation support 11, a movable plate 1122 is hinged to the connection plate 1121, a return spring 1123 is disposed between the movable plate 1122 and a baffle on the connection plate 1121, a slot 1124 is disposed on the movable plate 1122, a base 1125 connected to phase B of the high-voltage grid or to ground is connected to the lower end of the connection plate 1121, a base double-groove 1126 with an opening on a side surface is disposed on the base 1125, the outlet plug 124 includes a conductive bent plug-in 1241 connected to the connection plate 3, a bent plug cross shaft 1242 hinged to the base double-groove 1126 is disposed at the lower end of the conductive bent plug-in 1241, a pushing inclined plane 1243 is disposed at the upper end of the conductive bent plug-in the slot 1124 by pushing the movable plate 1122 upward when the conductive bent plug-in 1241 is rotated, the upper end of the leading-out plug 124 is buckled under the elastic force of the return spring 1123, so that the upper end of the leading-out plug 124 is prevented from falling off.

In the light and small high-voltage electric energy meter capable of being replaced with electricity, when the voltage leading-out end 122 on the single-phase high-voltage metering part 12 is fixedly connected with the connecting wire 3, the connecting wire 3 is provided with the insulating outer skin and is connected with the insulating outer casing of the single-phase high-voltage metering part 12 into a whole, or when the voltage leading-out end 122 on the single-phase high-voltage metering part 12 is detachably connected with the connecting wire 3, the connecting wire 3 is provided with the insulating outer skin, and the voltage leading-out end 122, the upper plug 121 and the lower plug 123 are respectively provided with the insulating umbrella skirt 4 on.

In the light, small and high-voltage electric energy meter capable of being replaced with electricity, the upper socket 111 and the lower socket 113 are provided with the anti-falling locking devices 6 for locking the upper plug 121 and the lower plug 123 respectively, or the upper socket 111 is provided with the anti-falling locking device 6 for locking the upper plug 121.

When the upper socket 111 is provided with the anti-falling locking device 6, the anti-falling locking device 6 comprises the anti-falling cover 61 and the spring 62 for being clamped on the upper plug 121, one end of the spring 62 is connected to the anti-falling cover 61, the other end of the spring 62 is connected to the upper socket 111, and when the lower socket 113 is provided with the anti-falling locking device 6, the anti-falling locking device 6 comprises the anti-falling cover 61 and the spring 62 for being clamped on the lower plug 123, one end of the spring 62 is connected to the anti-falling cover 61, and the other end of the spring 62 is connected to the lower socket 113.

In the light, small and high-voltage electric energy meter capable of being replaced with electricity, the anti-misoperation locking device 7 is respectively arranged between the two upper sockets 111 and between the two lower sockets 113, or the anti-misoperation locking device 7 is arranged between the two upper sockets 111.

When the anti-misoperation locking device 7 is arranged between the two upper sockets 111, the anti-misoperation locking device 7 comprises two elastic latches 71 which are hinged and matched with each other, the elastic latch 71 comprises a driving rod 711 and a driven latch 712, when the upper plug 121 is inserted into the upper socket 111, the driving rod 711 of the elastic latch 71 is pushed and the driven latch 712 is linked to realize unlocking of the plug 121 on the other side, when the other elastic latch 71 is pulled out, the driving rod 711 of the other elastic latch 71 is released, and under the action of the elastic force, the driven latch 712 of the other elastic latch 71 is linked to realize locking of the upper plug 121 on the other side; when the anti-misoperation locking device 7 is arranged between the two lower sockets 113, the anti-misoperation locking device 7 comprises two hinged and mutually matched elastic latches 71, each elastic latch 71 comprises a driving rod 711 and a driven latch 712, when the lower plug 123 is inserted into the lower socket 113, the driving rod 711 of the elastic latch 71 is pushed and the driven latch 712 is linked to unlock the lower plug 123 on the other side, when the lower plug is pulled out, the driving rod 711 of the other elastic latch 71 is released, and under the action of elasticity, the driven latch 712 of the other elastic latch 71 is linked to lock the lower plug 123 on the other side.

the light and small high-voltage electric energy meter capable of being replaced with electricity is characterized in that the upper socket 111 is provided with an upper socket contact 1111, the lower socket 113 is provided with a socket double-groove 1131 with an opening side face and a lower socket contact 1132, the upper plug 121 is provided with an upper plug contact 1211, the lower plug 123 is provided with a plug transverse shaft 1231 and a lower plug contact 1232, the plug transverse shaft 1231 is hinged in the socket double-groove 1131 to enable the lower plug contact 1232 and the lower socket contact 1132 and the upper plug contact 1211 and the upper socket contact 1111 to be connected through rotation, and the upper socket 111 is provided with an anti-falling elastic buckle 1112 for locking the upper plug contact 1211.

According to the light and small high-voltage electric energy meter capable of being replaced in an electrified mode, the upper socket 111 of the insulating supporting portion 11 is provided with the mounting hook 8.

A connection structure for realizing three-phase three-wire high-voltage electric energy metering by adopting two high-voltage electric energy meters is disclosed, as the single-phase high-voltage electric energy meter 1, the number of the single-phase high-voltage electric energy meters 1 is two, the upper socket 111 and the lower socket 113 on the insulating supporting part 11 of one single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a high-voltage power grid A phase, and the leading-out end socket 112 is connected with a high-voltage power grid B, the upper socket 111 and the lower socket 113 on the insulating supporting part 11 of the other single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a.

A connection structure for realizing three-phase four-wire high-voltage electric energy metering by adopting three high-voltage electric energy meters is disclosed as the single-phase high-voltage electric energy meter 1, wherein three single-phase high-voltage electric energy meters 1 are adopted, the upper socket 111 and the lower socket 113 on the insulation supporting part 11 of the first single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a high-voltage power grid A phase, the leading-out terminal socket 112 is grounded, the upper socket 111 and the lower socket 113 on the insulation supporting part 11 of the second single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a high-voltage power grid B phase, the leading-out terminal socket 112 is grounded, and the leading-out terminal sockets 112 on the insulation supporting part 11 of the third single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a high-.

The invention has the beneficial effects that:

1. When the single-phase high-voltage metering part is replaced by the insulating tool to be lifted up and put down, the charged replacement is more convenient because the volume is small, the weight is light, the transverse movement of the gravity center relative to the fulcrum is small, and the movement of the gravity center is easy to control by single operation.

2. The leading-out plug is directly connected with the single-phase high-voltage metering part through the connecting wire, so that the leading-out plug is connected with the leading-out end socket of the grounding or the other phase voltage, only two hard plugs are required to be arranged on the single-phase high-voltage metering part, the volume is small and the weight is light compared with the three hard plugs arranged on the single-phase high-voltage metering part, the replacement operation is simple and convenient, and the leading-out plug and the leading-out end socket are in a plugging mode with locking, so that the replacement operation is more convenient.

3. When the upper socket and the lower socket are both provided with only one socket, the single-phase high-voltage metering part can be replaced by an insulating tool in a charged mode as long as a load has power failure, and after the load has power failure, the current in each plug of the single-phase high-voltage metering part is very small, and the single-phase high-voltage metering part can be disconnected without an arc extinguishing device, so that the single-phase high-voltage metering part can be replaced in a charged mode.

4. the invention can prevent the single-phase high-voltage metering part from falling off, and particularly can prevent the single-phase high-voltage metering part from blowing off or vibrating to fall off when being installed on an outdoor rack or column, thereby improving the safety.

5. According to the invention, the mounting hook is arranged at the upper end of the upper socket, so that the replacement of the single-phase high-voltage metering part is easier and more labor-saving.

[ description of the drawings ]

FIG. 1 is a structural connection diagram of a light and small anti-drop locking single-phase high-voltage electric energy meter which can be replaced with electricity;

FIG. 2 is a structural connection diagram of a light and small single-phase high-voltage electric energy meter capable of being replaced with electricity and preventing misoperation of locking;

FIG. 3 is a structural connection diagram of a light, small and hot-line replaceable three-phase three-wire high-voltage electric energy meter which is locked in an anti-falling mode;

FIG. 4 is a structural connection diagram of a light and small three-phase three-wire high-voltage electric energy meter capable of being replaced with electricity and preventing misoperation of locking;

FIG. 5 is a structural connection diagram of a light, small and hot-line replaceable three-phase four-wire high-voltage electric energy meter which is locked in an anti-falling mode;

FIG. 6 is a structural connection diagram of a light and small three-phase four-wire high-voltage electric energy meter with anti-misoperation lockout and capable of being replaced in a charged mode;

FIG. 7 is a side view of an embodiment of an external structure of a small, light, hot-replaceable single-phase high-voltage electric energy meter;

FIG. 8 is a diagram of two sides of an embodiment of an external structure of a light, small and hot-replaceable single-phase high-voltage electric energy meter;

FIG. 9 is a three-side view of an embodiment of an external structure of a small, light and hot-replaceable single-phase high-voltage electric energy meter;

FIG. 10 is a four-side view of an embodiment of an external structure of a small, light, hot-replaceable single-phase high-voltage electric energy meter;

FIG. 11 is a five-side view of an embodiment of an external structure of a small, light and hot-replaceable single-phase high-voltage electric energy meter;

FIG. 12 is a six-side view of an embodiment of an external structure of a small, light and hot-replaceable single-phase high-voltage electric energy meter;

FIG. 13 is a diagram of a seven-side view of an embodiment of an external structure of a small, light and hot-replaceable single-phase high-voltage electric energy meter;

FIG. 14 is a diagram of an eight-side view of an embodiment of an external structure of a small, light and hot-replaceable single-phase high-voltage electric energy meter;

FIG. 15 is a top view of an embodiment of a portable, small, hot-line replaceable anti-mislocking device for a single-phase high-voltage electric energy meter;

FIG. 16 is a top view of a second structure of the anti-misoperation lockout device of the single-phase high-voltage electric energy meter, which is light and small and can be replaced with electricity.

[ detailed description of the invention ]

the following is a more detailed description of embodiments of the invention, taken in conjunction with the accompanying drawings of which:

As shown in fig. 1, a light and small high-voltage electric energy meter capable of being replaced in an electrified way is characterized in that: the single-phase high-voltage electric energy meter comprises a single-phase high-voltage electric energy meter 1, wherein the single-phase high-voltage electric energy meter 1 comprises an insulating support part 11 and a single-phase high-voltage metering part 12, an upper socket 111, a lower socket 113 and a leading-out end socket 112 which are respectively connected with a high-voltage power grid are arranged on the insulating support part 11, an upper plug 121, a lower plug 123 and a voltage leading-out end 122 are arranged on the single-phase high-voltage metering part 12, the voltage leading-out end 122 is connected with a leading-out plug 124 through a connecting wire 3, the upper socket 111, the lower socket 113 and the leading-out end socket 112 are respectively connected with the upper plug 121, the lower plug 123 and the leading-out plug 124 in a plug-in manner, the upper socket 111 and the lower socket 113 are respectively provided with one socket, or the upper socket 111 and the lower socket 113 are respectively provided with two sockets, the two upper sockets 111 and the two lower sockets, and the other one is arranged in a column to form a group of spare socket plug groups, the upper plug 121 and the lower plug 123 on the single-phase high-voltage metering part 12 can be selected to be plugged into a first socket plug group or a spare socket plug group, the leading-out plug 124 is plugged into the leading-out terminal socket 112, the upper socket 111 and the lower socket 113 on the insulating support part 11 are connected in series between a power supply and a load of the same phase of a high-voltage power grid, the leading-out terminal socket 112 is connected with the other phase of the high-voltage power grid or the ground, the insulating support part 11 can be divided into two parts, namely an insulating support for supporting the upper socket 111 and the lower socket 113 and an insulating support for supporting the leading-out terminal socket 112, and when the leading-out terminal socket.

The single-phase high-voltage metering part 12 is internally provided with a high-voltage sensor, a current sensor, an electric energy metering module, a communication module, a storage module and the like, wherein one end of a primary side of the current sensor is connected with one end of a primary side of the high-voltage sensor to form a power supply end, the other end of the primary side of the current sensor is connected with a load end, the other end of the primary side of the high-voltage sensor is connected with a voltage end, the power supply end can be connected with a plug, or can be connected with a lower plug, but is opposite to the power supply end, when the power supply end is connected with the plug, the load end is connected with the lower plug, when the power supply end is connected with the lower plug, the load end is connected with the upper plug, the load end is connected with the lower plug, in the drawing, the power.

The storage module can store the electric quantity value measured by the electric energy measuring module, and can also measure in a time-sharing manner when a clock is arranged, the electric quantity value in the storage module can be transmitted to meter reading receiving equipment through an optical fiber or a wireless communication manner, the dotted line in the figure indicates that when the upper socket and the lower socket of the insulating supporting part 11 are both two mutually connected sockets, the right single-phase high-voltage measuring part 12 is inserted when the left single-phase high-voltage measuring part 12 is replaced, when the upper socket and the lower socket are simultaneously inserted, the electric quantity is measured according to respective shunt current, when any one single-phase high-voltage measuring part 12 is pulled out, the load current automatically turns to the metering which is not pulled out, the high-voltage measuring part 12 is replaced under the condition that the metering is not interrupted and the metering is carried out, and the anti-falling locking.

As shown in fig. 2, different from fig. 1, the upper socket and the lower socket on the insulating support part 11 are not provided with the anti-falling locking device 6, but the anti-error locking device 7 is respectively arranged between the two upper sockets or the two lower sockets to prevent the single-phase high-voltage metering part 12 from being inserted and pulled by mistake with load and break the high-voltage network circuit.

As shown in fig. 3 and 4, in order to implement a connection structure for three-phase three-wire high-voltage electric energy metering by using two high-voltage electric energy meters, the high-voltage electric energy is a single-phase high-voltage electric energy meter 1, an upper socket 111 and a lower socket 113 on an insulating support portion 11 of one single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a high-voltage grid a phase, and a leading-out socket 112 is connected with a high-voltage grid B, an upper socket 111 and a lower socket 113 on an insulating support portion 11 of the other single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a high-voltage grid C phase, and the leading-out socket 112 is connected with the high-voltage grid B, wherein a connection line 3 is a sheath-.

The anti-falling locking device 6 and the anti-misoperation locking device 7 are respectively the same as those in fig. 1 and fig. 2, and the electric quantity values in the storage modules of the single-phase high-voltage metering part 12 connected with the phase A and the phase C are transmitted to meter reading receiving equipment through optical fibers or wireless communication modes and are combined into three-phase three-wire electric energy metering.

As shown in fig. 5 and 6, in order to implement a connection structure for three-phase four-wire high-voltage electric energy metering by using three high-voltage electric energy meters, the high-voltage electric energy is a single-phase high-voltage electric energy meter 1, an upper socket 111 and a lower socket 113 on an insulating support part 11 of a first single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a phase a of a high-voltage power grid, and a leading-out socket 112 is grounded, an upper socket 111 and a lower socket 113 on an insulating support part 11 of a second single-phase high-voltage electric energy meter 1 are connected in series between a power supply and a load of a phase B of the high-voltage power grid, and a leading-out socket 112 is grounded, the insulating support parts 11 of the three single-phase high-voltage electric energy meters 1 can be separated or combined into a whole or separate parts of the three-phase insulating supports, the anti-drop locking device 6 and the anti-misoperation locking device 7 are respectively the same as those in the figures 1 and 2, and the electric quantity values in the storage modules of the three single-phase high-voltage metering parts 12 are transmitted to meter reading receiving equipment through optical fibers or wireless communication modes and are combined into three-phase four-wire electric energy metering.

The structure of the first embodiment of the single-phase high-voltage electric energy meter 1 is as follows:

as shown in fig. 7, the single-phase high-voltage electric energy meter 1 includes an insulating support portion 11, the insulating support portion 11 includes an installation base, an upper support and a lower support are arranged on the installation base, an upper socket 111 is arranged on the upper support, a lower socket 113 is arranged on the lower support, the upper socket 111 and the lower socket 113 are arranged longitudinally, the upper support and the lower support are both insulating supports, and the upper socket and the lower socket are connected in series between a power supply and a load of the same phase of the high-voltage power grid.

the single-phase high-voltage metering part 12 is provided with an upper plug 121, a lower plug 123 and a voltage leading-out end 122, the upper plug and the lower plug can be connected with an initial socket plug-in group or a standby socket plug-in group in a plug-in manner, the single-phase high-voltage metering part 12 is provided with an insulating outer sleeve, the insulating outer sleeve connected with the upper plug 121 and the insulating outer sleeve connected with the lower plug 123 are respectively provided with an insulating umbrella skirt 4, the voltage leading-out end 122 on the single-phase high-voltage metering part 12 is detachably connected with the connecting wire 3, the connecting wire 3 is a wire with an insulated sheath to realize rain prevention, and the insulating outer sheath of the connecting wire 3 is provided with the.

The single-phase high-voltage metering part 12 and the leading-out plug 124 are respectively provided with a mounting lifting ring 5, and the upper plug 121, the lower plug 123 and the leading-out plug 124 of the single-phase high-voltage metering part 12 can be inserted into or pulled out of a socket of the insulating supporting part 11 by hooking the corresponding mounting lifting ring 5 by an insulating tool.

the upper socket 111 of the insulation supporting part 11 is provided with an installation hook 8, the lower end of the installation hook 8 is inserted into or fixedly connected with the upper socket, the upper end of the installation hook 8 is in a shape of a bay hook and is suspended at the upper end of the upper socket, a pulley is hung on the installation hook 8, an insulation rope is sleeved on the installation hook 8 and is not shown in the figure, the hook at one end of the insulation rope hooks the installation lifting ring 5 of the single-phase high-voltage metering part 12, the other end of the insulation rope is pulled, the single-phase high-voltage metering part 12 is lifted to be close to the socket, a plug of the single-phase high-voltage metering part 12 can be inserted into the socket of the insulation supporting part 11 by using an insulation tool, the installation hook 8 is convenient to assemble and disassemble, the lower end of the installation hook 8 is in a shape, a jack at the lower end of the installation hook is correspondingly large, the insertion can be inserted by using the insulation tool, when the single-phase high-voltage metering part 12 is lifted, the elastic deformation is within an acceptable range, and the plugging and unplugging are not influenced.

The upper socket 111 and the lower socket 113 are respectively provided with an anti-falling locking device 6 or an anti-misoperation locking device 7, the anti-falling locking device 6 mainly prevents external force, such as strong wind and vibration, to make the plug of the single-phase high-voltage metering part 12 fall off from the socket, the anti-misoperation locking device 7 is used for preventing the single-phase high-voltage metering part 12 from being inserted and pulled by mistake with load, and a high-voltage power grid circuit is disconnected.

the upper socket 111 and the lower socket 113 are respectively provided with an anti-falling locking device 6 for locking the upper plug 121 and the lower plug 123, the anti-falling locking device 6 comprises an anti-falling cover 61 and an anti-falling spring 62 for clamping the upper plug 121 or the lower plug 123, one end of the anti-falling spring 62 is connected with the anti-falling cover 61, the other end of the anti-falling spring 62 is connected with the upper socket 111 or the lower socket 113, the anti-falling cover 61 is opened, two ends of the anti-falling spring 62 are connected with one side of the anti-falling cover 61, the anti-falling cover 61 is clamped at the opened position under the action of the spring force, the plug of the single-phase high-pressure metering part 12 can be inserted into the corresponding socket, the anti-falling cover 61 is closed, two ends of the anti-falling spring 62 are connected with one side of the anti-falling cover 61, the anti-falling cover 61 is clamped at the closed locking position under the action of the spring, therefore, the single-phase high-voltage metering part 12 is locked on the socket and can be pulled out only by opening the anti-falling cover 61.

The terminal receptacle 112 includes a connection plate 1121 connected to the insulating support 11, a movable plate 1122 is hinged on the connecting plate 1121, a return spring 1123 is arranged between the movable plate 1122 and the baffle on the connecting plate 1121, the movable plate 1122 is provided with a slot 1124, the lower end of the connecting plate 1121 is connected to a base 1125 connected to phase B of the high voltage grid or to ground, the base 1125 is provided with a base double groove 1126 with an opening on the side, the plug 124 includes a conductive bent plug 1241 connected with the connecting wire 3, the lower end of the conductive bent insert 1241 is provided with a bent insert transverse shaft 1242 hinged with the base double groove 1126, when the conductive bent plug-in 1241 is rotated upward, the upper end of the conductive bent plug-in 1241 pushes the movable plate 1122 upward and then is clamped into the pushing inclined plane 1243 of the slot 1124, and when the conductive bent plug-in 1241 is rotated, the movable plate 1122 is pushed upward to clamp the upper end of the conductive bent plug-in 1241 into the slot 1124.

The bending plug transverse shaft 1242 at the lower end of the leading plug 124 is inserted into the side opening of the base double groove 1126 with the side opening, the bending plug transverse shaft 1242 can synchronously rotate in the grooves at the two sides of the base double groove 1126, so that the lower end of the leading plug 124 can only rotate in the side opening, the front-back and left-right movement is limited by the side opening and the grooves, the lower end of the leading plug 124 is prevented from falling off, the pushing inclined plane 1243 of the leading plug 124 can be pushed into the slot 1124 of the movable plate 1122, the upper end of the leading plug 124 is buckled under the elastic force of the return spring 1123, the upper end of the leading plug 124 is prevented from falling off, when the leading plug is pulled out, the installation lifting ring 5 at the upper end of the leading plug 124 is hooked by an insulating tool to jack the leading plug 124.

the second structure of the embodiment of the single-phase high-voltage electric energy meter 1 is as follows:

As shown in fig. 8, different from the first embodiment, when the voltage leading end 122 of the single-phase high-voltage measuring unit 12 is fixedly connected to the connection line 3, the insulation cover is provided on the connection line 3 and integrally connected to the insulation cover of the single-phase high-voltage measuring unit 12, the insulation cover connected to the upper plug 121 and the insulation cover connected to the lower plug 123 are not provided with the insulation shed 4, and the insulation cover between the upper plug and the lower plug is also greatly shortened, so that the volume and weight of the single-phase high-voltage measuring unit 12 can be further reduced.

The optimization is based on that the insulating sheath on the connecting wire 3 is connected with the insulating outer sleeve of the single-phase high-voltage metering part 12 into a whole, the creepage distance from the exposed charged metal part at the other end of the connecting wire 3 to the upper plug and the lower plug through the insulating sheath is large, the voltage difference between the upper plug and the lower plug is small, the two plugs are connected on the same phase of a high-voltage power grid, the middle part only passes through a current sensor, and therefore, the creepage distance from the plug 124 to the outer sleeve between the upper plug and the lower plug is enough, and the outer sleeve between the upper plug and the lower plug is not required to have.

the structure of the third embodiment of the single-phase high-voltage electric energy meter 1 is as follows:

As shown in fig. 9, the only difference from the first embodiment is that the insulating support 11 has a different structure, the upper and lower insulating supports the same insulating column, and the middle part is connected to the mounting point.

The structure of the fourth embodiment of the single-phase high-voltage electric energy meter 1 is as follows:

As shown in fig. 10, the difference from the second embodiment is only that the insulating support 11 has a different structure, the upper and lower insulating supports the same insulating column, and the middle part is connected with the mounting point.

The structure of the fifth embodiment of the single-phase high-voltage electric energy meter 1 is as follows:

as shown in fig. 11, different from the first embodiment, the upper socket, the lower socket and the anti-falling off locking device 6 of the insulating support 11, and the upper plug and the lower plug of the single-phase high voltage meter 12, not only can the plug-in connection be realized, but also the anti-falling off locking device 6 of the first embodiment has the function of preventing the plug of the single-phase high voltage meter 12 from falling off the socket, and the specific structure is that the upper socket 111 is provided with an upper socket contact 1111, the lower socket 113 is provided with a socket double groove 1131 and a lower socket contact 1132 which are opened at the side, the upper plug 121 is provided with an upper plug contact 1211, the lower plug 123 is provided with a plug cross shaft 1231 and a lower plug contact 1232, the plug cross shaft 1231 is hinged in the socket double groove 1131 to connect the lower plug contact 1232 and the upper plug contact 1211 with the upper socket contact 1111 by rotating, the upper socket 111 is provided with an anti-falling off elastic buckle 1112 for locking, the plug cross shaft 1231 at the lower end of the lower plug 123 is inserted into the side openings of the dual socket grooves 1131, the plug cross shafts 1231 at the two sides of the lower plug 123 can rotate synchronously in the grooves at the two sides of the dual socket grooves 1131, so that the lower plug 123 can only rotate in the side openings, and the front, back, left and right movement is limited by the side openings and the grooves, thereby preventing the lower plug 123 from falling off,

when the upper plug 121 is inserted into the upper socket 111, the lower plug contact 1232 of the lower plug 123 is elastically connected with the lower socket contact 1132 of the lower socket 113 after rotation, the upper plug contact 1211 on the upper plug 121 is connected with the upper socket contact 1111, and the anti-falling elastic buckle 1112 buckles the upper plug contact 1211 to prevent the upper plug contact 1211 from falling off, the upper plug contact 1211 needs to be pulled outwards by force during pulling, under the action of the pulling force, the anti-falling elastic buckle 1112 in the upper socket 111 is deformed by force to release the upper plug contact 1211 to pull out the upper plug 121, and then the lower plug 123 is pulled upwards.

Wherein 113 departments of socket do not establish the locking device 6 of preventing taking off under the insulating support part 11, only the socket 111 department is equipped with prevents mistake blocking device 7 on the insulating support part 11, the extension bar plug on the last plug 121 of single-phase high pressure measurement portion 12 is used for taking to prevent mistake blocking device 7 and can catches hold of the male plug, is equipped with the top cap on the extension bar plug, prevents that extension bar plug roll-off from preventing mistake blocking device 7.

Six structures of embodiment of single-phase high-voltage electric energy meter 1:

As shown in fig. 12, the difference from the fifth embodiment is that the connection wire 3 is provided with an insulating sheath and integrally connected to the insulating sheath of the single-phase high-voltage measuring unit 12, and the insulating skirts 4 are not provided between the upper and lower sockets 111 and 113 and the voltage leading-out terminal 112.

the structure of the seventh embodiment of the single-phase high-voltage electric energy meter 1 is as follows:

as shown in fig. 13, the difference from the fifth embodiment is only that the insulating support 11 has a different structure, the upper and lower insulating supports the same insulating column, and the middle part is connected with the mounting point.

The structure of the eighth embodiment of the single-phase high-voltage electric energy meter 1 is as follows:

As shown in fig. 14, the difference from the fifth embodiment is only that the insulating support 11 has a different structure, the upper and lower insulating supports the same insulating column, and the middle part is connected with the mounting point.

error-locking prevention device embodiment:

In fig. 7-10, the anti-misoperation locking device 4 is respectively arranged between the two upper sockets 111 and between the two lower sockets 113, in fig. 11-14, the anti-misoperation device 4 is arranged between the two upper sockets 111, the structure of the anti-misoperation device 4 is shown in fig. 15 and 16, the anti-misoperation device 7 comprises two hinged and mutually matched elastic latches 71, when the anti-misoperation locking device 7 is arranged between the two upper sockets 111, the anti-misoperation locking device 7 comprises two hinged and mutually matched elastic latches 71, the elastic latch 71 includes a driving lever 711 and a driven latch hook 712, and when the upper plug 121 is inserted into the upper socket 111, the driving rod 711 of the elastic latch 71 is pushed and the driven latch hook 712 is interlocked to unlock the plug 121 on the other side, the driving rod 711 of the other elastic latch 71 is released when being pulled out, the driven lock hook 712 of the other elastic lock catch 71 is linked under the action of the elastic force to realize the locking of the upper plug 121 on the other side; when the anti-misoperation locking device 7 is arranged between the two lower sockets 113, the anti-misoperation locking device 7 comprises two hinged and mutually matched elastic latches 71, each elastic latch 71 comprises a driving rod 711 and a driven latch hook 712, when the lower plug 123 is inserted into the lower socket 113, the driving rod 711 of the elastic latch 71 is pushed and the driven latch hook 712 thereof is linked to unlock the lower plug 123 on the other side, when the lower plug is pulled out, the driving rod 711 of the other elastic latch 71 is released, the driven latch hook 712 of the other elastic latch 71 is linked to lock the lower plug 123 on the other side under the action of elastic force, the driving rod 711 on the left side and the driven latch hook 712 on the right side are integrated into a whole and rotate around the rotating shaft 713 on the right side, the driving rod 711 on the right side and the driven latch hook 712 on the left side are integrated into a whole and rotate around the rotating shaft 713 on the left side, and the elastic device on the rotating shaft 713 on the left side, wherein the shape of the elastic lock catch in fig. 15 is duck-shaped, the shape of the elastic lock catch in fig. 16 is fish-shaped, and the anti-misoperation device 4 is only arranged between the two upper sockets 111 in fig. 11-14.

The working principle of the anti-misoperation locking device 7 at the socket 111 is described by way of example, when the single-phase high-voltage metering part 12 is not inserted into the two sockets on the upper support of the insulating support part 11, and the single-phase high-voltage metering part 12 is inserted into the insulating support part 11 for the first time, the driven locking hooks 712 at the left and right sides rotate to block the sockets of the two upper sockets 111 under the action of elastic force, for example, the upper plug 121 of the single-phase high-voltage metering part 12 is inserted into the upper socket 111 at the left side, the right driving rod 711 at the right side is firstly pushed, the left driven locking hook 712 at the left side is driven to rotate in a linked manner to move away from the socket at the left side, the upper plug is inserted at this time, the left driving rod 711 of the elastic latch 71 is pushed to rotate clockwise at the same time, the right driven locking hook 712 rotates clockwise together with the driving rod at the right side to move away from the socket at, at this time, the upper plug cannot be pulled out.

if the single-phase high-voltage metering part 12 inserted on the left insulating support part 11 is replaced, and the upper plug 121 inserted into the left upper socket 111 is to be pulled out, a new upper plug 121 of the single-phase high-voltage metering part 12 is inserted into the right vacant upper socket, and meanwhile, the right driving rod 711 of the elastic latch 71 is pushed to rotate inwards and anticlockwise, at this time, the left driven latch hook 712 of the elastic latch 71 rotates outwards and anticlockwise to move away from the socket of the left socket to realize unlocking, the left upper plug is pulled out, the left driving rod 711 of the elastic latch 71 is released, the right driven latch hook 712 rotates inwards and anticlockwise to latch the upper plug inserted into the right upper socket under the action of elastic force to realize locking, and the upper plug cannot be pulled out, namely, when only one single-phase high-voltage metering part 12 is inserted, the upper plug cannot be pulled out independently and directly.

the specific structure and the working principle of the anti-misoperation locking device 7 applied to the lower socket in the first embodiment and the second embodiment of the single-phase high-voltage electric energy meter 1 are the same as those of the upper socket.

The high-voltage power grid is operated by an insulating tool, and only one single-phase high-voltage metering part 12 is inserted, and the single-phase high-voltage metering part can be pulled out only by pushing and pressing the driving rod on the other side by another person, so that the misoperation preventing function of preventing the single-phase high-voltage metering part 12 from being pulled out under load is good.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.