CN210404426U - Outdoor ground high pressure boundary electric-energy metering box that falls - Google Patents

Abstract

The utility model discloses an outdoor high pressure boundary electric-energy metering box that falls to ground, the intelligent cabinet temperature adjusting device comprises a cabinet body, the inside of the cabinet body is divided into five independent compartments through metal partition, be the high-voltage switch room respectively, high-pressure inlet wire room, high pressure outlet wire room, measurement room and gas chamber, the high-voltage switch room, high pressure inlet wire room, high pressure outlet wire room and measurement room set up towards four position respectively and around the gas chamber, correspond the high-voltage switch room on the cabinet body, high pressure inlet wire room, switch room door is installed respectively to the position of high pressure outlet wire room and measurement room, the inlet wire room door, outlet wire room door and measurement room door, the both sides of high-voltage switch room are high pressure inlet wire room. The utility model discloses can solve installation construction, fortune maintenance and repair, measurement meter reading inconvenience on power supply department's high pressure boundary switch and the metering device post to and boundary switch and the outdoor installation of metering device receive the problem that environmental impact is big, the fault rate is high.

Description

Outdoor ground high pressure boundary electric-energy metering box that falls

Technical Field

The utility model relates to a high voltage power equipment technical field especially relates to an outdoor ground high pressure boundary electric-energy metering box that falls.

Background

At present, the main mode of providing high-voltage electric energy power supply service for users by a power supply department is to install a high-voltage pole-mounted switch on a pole of a high-voltage line as a boundary switch, then to measure high-voltage electric energy on an outgoing line side of the boundary switch, and a measuring device is also installed in a pole in a high altitude mode.

This power supply scheme has the following problems: 1. the demarcation switch and the metering device are separately arranged on a rod, so that construction, installation, operation and maintenance, maintenance and meter reading are inconvenient; 2. the high-voltage charged body of the on-column demarcation switch is exposed, is influenced by factors such as environmental change, condensation and the like, has flashover, discharge and the like, has high equipment failure rate, and the operating mechanism of the on-column demarcation switch is easy to corrode outdoors to cause switch operation failure; 3. the metering device is arranged on the column and is close to the high-voltage electrified body, so that the electric shock risk of metering and collecting personnel is high, and in addition, the metering device is arranged in an exposed outdoor environment, so that the electric larceny risk is high, and great loss is brought to a power supply department; 4. the demarcation switch and the metering device are independently installed on the column respectively, the work of each overhaul and operating personnel is easy to intersect, the potential safety hazard is large, the completion work needs the assistance of a plurality of professionals, and the work flow is very complex.

Disclosure of Invention

The utility model discloses a solve the weak point among the prior art, provide an outdoor high pressure boundary electric-energy metering box that falls to ground, can solve installation construction, fortune maintenance and repair, measurement meter reading inconvenience on power supply department's high pressure boundary switch and the metering device post to and boundary switch and the outdoor installation of metering device receive the problem that environmental impact is big, the fault rate is high.

The utility model discloses a solve the technical scheme that above-mentioned problem took, a high pressure boundary electric energy batch meter is fallen to ground in open air is provided, the intelligent cabinet temperature adjusting device comprises a cabinet body, the inside of the cabinet body is divided into five independent compartments through metal partition, be the high-voltage switch room respectively, high-pressure inlet wire room, high pressure outlet wire room, measurement room and gas chamber, the high-voltage switch room, high pressure inlet wire room, high pressure outlet wire room and measurement room set up towards four position respectively and around the gas chamber, correspond the high-voltage switch room on the cabinet body, high pressure inlet wire room, switch room door is installed respectively to the position of high pressure outlet wire room and measurement room, inlet wire room door, outlet wire room door and measurement room door, the both sides of high-voltage switch room are high pressure.

Preferably, SF6 gas for insulation is filled in the gas cabin, and a circuit breaker, a three-position isolating switch and a protection current transformer are installed in the gas cabin;

a switch mechanism bin is arranged in the high-voltage switch chamber, a circuit breaker operating mechanism of the circuit breaker and an isolating switch operating mechanism of the three-station isolating switch are respectively arranged in the switch mechanism bin, and the switch mechanism bin is sealed by a mechanism bin sealing plate;

the circuit breaker electric operating shaft and the manual operating shaft of the circuit breaker operating mechanism respectively extend out of the mechanism bin sealing plate, the circuit breaker electric operating handle is mounted at the end part of the circuit breaker electric operating shaft, the isolating switch operating shaft of the isolating switch operating mechanism extends out of the mechanism bin sealing plate, and the circuit breaker electric operating shaft, the manual operating shaft and the connecting parts of the isolating switch operating shaft and the mechanism bin sealing plate are respectively in sealing connection through sealing shaft sleeves;

the high-voltage wire inlet chamber is internally provided with a wire inlet cable which is an insulated cable, and the wire inlet cable is connected with a wire inlet end of a circuit breaker in the gas bin in a plugging manner;

an outlet cable is arranged in the high-voltage outlet chamber, the outlet cable is an insulated cable, and the outlet cable is in plug connection with a primary conductor in the gas cabin;

the metering chamber is internally provided with a metering table bin, a metering voltage transformer and a metering current transformer, the mounting heights of the metering voltage transformer and the metering current transformer are lower than those of the circuit breakers, and the primary charged parts of the metering voltage transformer and the metering current transformer are sealed in the gas bin.

Preferably, an observation hole is formed in the side wall, close to the high-voltage wire outlet chamber, of the gas bin, and an observation window is installed at the observation hole.

Preferably, a plurality of heat dissipation holes are respectively formed in the wire inlet chamber door and the wire outlet chamber door.

Preferably, a first hinge and a second hinge are installed between the opening and closing chamber door and the cabinet body, one end of the first hinge is hinged to the cabinet body, the other end of the first hinge is hinged to one end of the second hinge, and the other end of the second hinge is hinged to the opening and closing chamber door.

Preferably, a document box is installed on an inner side wall of the opening and closing chamber door.

Preferably, the meter compartment is provided with a padlock.

Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:

1. the utility model discloses each compartment is independent respectively in inside, and each other is linked and each other noninterference, compares current boundary switch and metering device, and boundary switch and metering device concentrate and install in a cabinet body, compact structure, and the volume reduces greatly, and the transportation and fall to the ground construction installation of being convenient for, the utility model discloses a fall to the ground installation (the cabinet body is directly close to the point of inserting the line and falls to the ground installation), avoided the various inconveniences that high altitude installation brought, very big convenient construction installation and shortened construction period; the high-voltage switch and the charged body are sealed in the gas cabin filled with SF6 gas or environment-friendly gas, so that the equipment can be ensured to run reliably outdoors for a long time, and each independent function compartment can meet the normal work of different professionals, and is safe, convenient and reliable.

2. The utility model discloses a no high-voltage charged body is exposed in the measurement room, avoids copying, fortune dimension personnel's risk of electrocuteeing, and the strapping table storehouse is close to measurement voltage transformer and measurement current transformer centralized design installation, and directly in the lower part of circuit breaker, and compact structure is convenient for the metering signal collection, reduces the possibility of stealing the electricity.

3. The utility model discloses in set up the cubical switchboard mechanism storehouse, the cubical switchboard mechanism storehouse is sealed completely, and the protection level reaches IP55, has effectively avoided switch operating device to receive the easy corrosion of environmental impact outdoor problem that causes the operating device trouble, ensures that switch operating device reliably moves not corrosion for a long time, greatly reduced the fault rate of outdoor equipment mechanism because of the corrosion.

Drawings

FIG. 1 is a front view of the present invention (with the metering chamber door open);

fig. 2 is a left side view of the present invention (outlet chamber door open state);

fig. 3 is a right side view of the present invention (with the entrance chamber door open);

fig. 4 is a rear view of the present invention (with the opening/closing chamber door open);

FIG. 5 is a sectional view A-A of FIG. 4;

FIG. 6 is a partial schematic view of the interior of the cabinet;

fig. 7 is a partially enlarged schematic view at B in fig. 6.

Reference numerals: 1. the cabinet comprises a cabinet body, 11, a metal partition plate, 12, a door for opening and closing a door, 121, a first hinge, 122, a second hinge, 123, a file box, 13, a door for an incoming line door, 14, a door for an outgoing line door, 15, a door for a metering door, 16 and heat dissipation holes;

3. the device comprises a gas cabin 31, a circuit breaker 32, a three-position isolating switch 33, a protection current transformer 34 and an observation window;

4. a high-voltage switch chamber 41, a switch mechanism chamber 42, a mechanism chamber sealing plate 43, a breaker operating mechanism 44, a disconnecting switch operating mechanism 45, a breaker electric operating shaft 46, a manual operating shaft 47, a breaker electric operating handle 48, a disconnecting switch operating shaft 49 and a sealing shaft sleeve;

5. the high-voltage metering device comprises a high-voltage wire inlet chamber 51, a wire inlet cable 6, a high-voltage wire outlet chamber 61, a wire outlet cable 7, a metering chamber 71, a metering bin 72, a metering voltage transformer 73 and a metering current transformer.

Detailed Description

As shown in fig. 1 to 7, the utility model discloses an outdoor high pressure boundary electric energy metering box that falls to ground includes the cabinet body 1, the inside of the cabinet body 1 is divided into five independent compartments through metal baffle 11, be high-voltage switch room 4 respectively, high-pressure inlet wire room 5, high pressure outlet wire room 6, measurement room 7 and gas chamber 3, high-voltage switch room 4, high pressure inlet wire room 5, high pressure outlet wire room 6 and measurement room 7 set up towards four position respectively and around gas chamber 3, correspond high-voltage switch room 4 on the cabinet body 1, high pressure inlet wire room 5, switch room door 12 is installed respectively to the position of high pressure outlet wire room 6 and measurement room 7, inlet wire room door 13, outlet wire room door 14 and measurement room door 15, the both sides of high-voltage switch room 4 are high pressure inlet wire room 5 and high pressure outlet wire room 6 respectively.

SF6 gas for insulation is filled in the gas cabin 3, and a circuit breaker 31, a three-position isolating switch 32 and a protection current transformer 33 are installed in the gas cabin 3; all insulation, totally enclosed for whole equipment structure is very compact, and all electrified bodies and primary member all are in totally insulated totally enclosed SF6 gas chamber 3, do not receive external environment influence, ensure the long-term reliable operation of equipment, reduce the maintenance work of equipment.

The high-voltage switch chamber 4 is formed by a switch chamber door 12 on the cabinet body 1 and a metal partition plate 11 in the cabinet body 1 to form an independent switch chamber interval, a switch mechanism bin 41 is arranged in the high-voltage switch chamber 4, and no exposed charged body exists in the high-voltage switch chamber 4, so that the operation, maintenance and repair are convenient, and the operation is convenient; the circuit breaker operating device 43 of circuit breaker 31 and the isolator operating device 44 of three-station isolator 32 install respectively in the switchgear storehouse 41, the switchgear storehouse 41 is sealed through mechanism storehouse shrouding 42, the switchgear storehouse 41 is sealed completely, protection level reaches IP55, effectively avoided the problem that the switch operating device caused operating device trouble by the easy corrosion of environmental impact outdoor, ensure that the long-term reliable operation of switch operating device does not corrode, greatly reduced the fault rate of outdoor equipment mechanism because of the corrosion.

A circuit breaker electric operating shaft 45 and a manual operating shaft 46 of the circuit breaker operating mechanism 43 respectively extend out of the mechanism bin sealing plate 42, a circuit breaker electric operating handle 47 is mounted at the end part of the circuit breaker electric operating shaft 45, a disconnecting switch operating shaft 48 of the disconnecting switch operating mechanism 44 extends out of the mechanism bin sealing plate 42, and the connecting parts of the circuit breaker electric operating shaft 45, the manual operating shaft 46 and the disconnecting switch operating shaft 48 and the mechanism bin sealing plate 42 are respectively in sealing connection through a sealing shaft sleeve 49; the electric switching on and off of the circuit breaker 31 can be realized by rotating the electric operating handle 47 of the circuit breaker, the manual switching on and off of the circuit breaker 31 can be realized by rotating the part of the manual operating shaft 46 extending out of the mechanism bin sealing plate 42, and the switching on and off and grounding operations of the disconnecting switch can be realized by rotating the extending part of the disconnecting switch operating shaft 48.

The high-voltage wire inlet chamber 5 comprises a wire inlet chamber door 13 on the cabinet body 1 and a metal partition plate 11 in the cabinet body 1 to form an independent wire inlet chamber interval, a wire inlet cable 51 is arranged in the high-voltage wire inlet chamber 5, the wire inlet cable 51 is an insulated cable, the wire inlet cable 51 is in plug-in connection with a wire inlet end of a circuit breaker 31 in the gas cabin 3, construction wiring is facilitated, no exposed high-voltage electrified body exists in the high-voltage wire inlet chamber 5, and personal safety of operation and maintenance personnel can be guaranteed.

The high-voltage outlet chamber 6 is composed of an outlet chamber door 14 on the cabinet body 1 and a metal partition plate 11 in the cabinet body 1 to form an independent outlet chamber interval, an outlet cable 61 is arranged in the high-voltage outlet chamber 6, the outlet cable 61 is an insulated cable, the outlet cable 61 is in plug connection with a primary conductor in the gas cabin 3, and no exposed charged body exists in the high-voltage outlet chamber 6, so that the safety of operation and maintenance personnel is ensured, and the construction and wiring are convenient.

The metering chamber 7 is formed by a metering chamber door 15 on the cabinet body 1 and a metal partition plate 11 in the cabinet body 1 to form an independent metering chamber 7 interval, a metering chamber 71, a metering voltage transformer 72 and a metering current transformer 73 are arranged in the metering chamber 7, the installation heights of the metering voltage transformer 72 and the metering current transformer 73 are lower than that of the circuit breaker 31, and primary charged parts of the metering voltage transformer 72 and the metering current transformer 73 are sealed in the gas chamber 3. The padlock is arranged on the meter bin 71, reliable operation of equipment in the metering chamber 7 is guaranteed, no high-voltage charged body is exposed in the metering chamber 7, the risk of electric shock of recording and operation and maintenance personnel is avoided, the meter bin 71 is designed and installed in a centralized mode next to the metering voltage transformer 72 and the metering current transformer 73, the lower portion of the circuit breaker 31 is direct, the structure is compact, metering signals are convenient to collect, and the possibility of electricity stealing is avoided.

The gas storehouse 3 has been seted up the observation hole on being close to the lateral wall of high pressure outlet chamber 6, observation window 34 is installed through flange and bolt in observation hole department, see through observation window 34, can observe three-station isolator 32's separating brake, the real-time operating condition of combined floodgate and ground connection, the operation and maintenance maintainer observes three-station isolator 32's real-time operating position according to the needs of work in real time, provide reliable safety guarantee for overhauing operation and maintenance work, the problem that SF6 gas-insulated cabinet can not observe isolator operating condition in real time has thoroughly been solved to this scheme, for operation and maintenance work provides very big facility.

Install first hinge 121 and second hinge 122 between switch room door 12 and the cabinet body 1, the one end of first hinge 121 articulates on the cabinet body 1, the other end of first hinge 121 and the one end of second hinge 122 are articulated, the other end of second hinge 122 articulates on switch room door 12, when opening switch room door 12, the degree of opening and shutting of switch room door 12 can be fixed a position to first hinge 121 and second hinge 122, to windowing the same, avoid switch room door 12 to rock.

A plurality of louvre 16 has been seted up on inlet wire room door 13 and the outlet wire room door 14 respectively, avoids the cabinet body 1 high temperature, installs file box 123 on the inside wall of switch room door 12, is convenient for place the paper file, conveniently refers to.

The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.

Claims (7)

1. The utility model provides an outdoor high pressure boundary electric-energy metering box that falls to ground which characterized in that: the intelligent cabinet temperature adjusting device comprises a cabinet body, the inside of the cabinet body is divided into five independent compartments through metal separators, be the high-voltage switch room respectively, the high-voltage inlet wire room, the high-voltage wire room of being qualified for the next round of competitions, measurement room and gas storehouse, the high-voltage switch room, the high-voltage inlet wire room, the high-voltage wire room of being qualified for the next round of competitions room and measurement room set up towards four position respectively and around the gas storehouse, correspond the high-voltage switch room on the cabinet body, the high-voltage inlet wire room, switch room door, the inlet wire room door, be qualified for the next round of competitions room and measurement room.

2. The outdoor ground high-voltage demarcation electric energy metering box according to the claim 1, characterized in that: SF6 gas for insulation is filled in the gas cabin, and a circuit breaker, a three-station isolating switch and a protective current transformer are installed in the gas cabin;

a switch mechanism bin is arranged in the high-voltage switch chamber, a circuit breaker operating mechanism of the circuit breaker and an isolating switch operating mechanism of the three-station isolating switch are respectively arranged in the switch mechanism bin, and the switch mechanism bin is sealed by a mechanism bin sealing plate;

the circuit breaker electric operating shaft and the manual operating shaft of the circuit breaker operating mechanism respectively extend out of the mechanism bin sealing plate, the circuit breaker electric operating handle is mounted at the end part of the circuit breaker electric operating shaft, the isolating switch operating shaft of the isolating switch operating mechanism extends out of the mechanism bin sealing plate, and the circuit breaker electric operating shaft, the manual operating shaft and the connecting parts of the isolating switch operating shaft and the mechanism bin sealing plate are respectively in sealing connection through sealing shaft sleeves;

the high-voltage wire inlet chamber is internally provided with a wire inlet cable which is an insulated cable, and the wire inlet cable is connected with a wire inlet end of a circuit breaker in the gas bin in a plugging manner;

an outlet cable is arranged in the high-voltage outlet chamber, the outlet cable is an insulated cable, and the outlet cable is in plug connection with a primary conductor in the gas cabin;

the metering chamber is internally provided with a metering table bin, a metering voltage transformer and a metering current transformer, the mounting heights of the metering voltage transformer and the metering current transformer are lower than those of the circuit breakers, and the primary charged parts of the metering voltage transformer and the metering current transformer are sealed in the gas bin.

3. An outdoor floor high voltage boundary electric energy metering box according to claim 1 or 2, characterized in that: an observation hole is formed in the side wall, close to the high-voltage wire outlet chamber, of the air bin, and an observation window is installed at the observation hole.

4. An outdoor floor high voltage boundary electric energy metering box according to claim 1 or 2, characterized in that: a plurality of heat dissipation holes are respectively formed in the wire inlet chamber door and the wire outlet chamber door.

5. An outdoor floor high voltage boundary electric energy metering box according to claim 1 or 2, characterized in that: install first hinge and second hinge between switch room door and the cabinet body, the one end of first hinge articulates on the cabinet body, and the other end of first hinge is articulated with the one end of second hinge, and the other end of second hinge articulates on switch room door.

6. An outdoor floor high voltage boundary electric energy metering box according to claim 1 or 2, characterized in that: the inner side wall of the opening and closing chamber door is provided with a file box.

7. The outdoor ground high-voltage demarcation electric energy metering box according to claim 6, characterized in that: the meter cabin is provided with a padlock.

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