CN210404538U - High-voltage demarcation electric energy metering box - Google Patents
High-voltage demarcation electric energy metering box Download PDFInfo
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- CN210404538U CN210404538U CN201921450341.3U CN201921450341U CN210404538U CN 210404538 U CN210404538 U CN 210404538U CN 201921450341 U CN201921450341 U CN 201921450341U CN 210404538 U CN210404538 U CN 210404538U
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Abstract
本实用新型公开了一种高压分界电能计量箱，包括柜体，柜体的内部通过金属隔板分为独立的高压开关室、高压进线室、高压出线室、计量室和气仓，高压开关室、高压进线室、高压出线室和计量室分别朝向四个方位并围绕气仓设置，柜体上分别安装有开关室门、进线室门、出线室门和计量室门，高压开关室的两侧分别为高压进线室和高压出线室；气仓靠近高压出线室的侧壁上开设有观察孔，观察孔处安装有观察窗；开关室门和计量室门上均安装有用于控制门板开合的转动插锁组件。本实用新型能够解决供电部门的高压分界开关与计量装置柱上安装施工、运维检修、计量抄表不方便，以及分界开关和计量装置户外安装受环境影响大、故障率高的问题。
The utility model discloses a high-voltage boundary electric energy measuring box, which comprises a cabinet body. The inside of the cabinet body is divided into independent high-voltage switch rooms, high-voltage incoming line rooms, high-voltage outgoing line rooms, measuring rooms, gas bins, and high-voltage switch rooms through metal partitions. , The high-voltage incoming room, the high-voltage outgoing room and the measuring room face four directions respectively and are arranged around the gas silo. The cabinet is respectively equipped with the switch room door, the incoming line room door, the outgoing line room door and the measuring room door. The two sides are the high-voltage incoming room and the high-voltage outgoing room respectively; there is an observation hole on the side wall of the gas chamber close to the high-voltage outgoing room, and an observation window is installed at the observation hole; the switch room door and the measuring room door are installed with a control door panel Opening and closing rotary mortise lock assembly. The utility model can solve the problems of inconvenient installation and construction, operation and maintenance, and meter reading of the high-voltage demarcation switch and the metering device in the power supply department, and the outdoor installation of the demarcation switch and the metering device is greatly affected by the environment and has a high failure rate.
Description
Technical Field
The utility model relates to a high voltage power equipment technical field especially relates to a high pressure boundary electric-energy metering box.
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.
Present power equipment producer mainly is absorbed in on the pole boundary metering device and simply installs the research and development and the production of pole switch in outdoor case, still is the installation mode on the post, easily receives the operational environment influence, and the reliability is low, brings very big personal safety hidden danger for fortune dimension, the personnel of collecting, and does not carry out the integrated design to switchgear and metering equipment, is not convenient for the construction installation, more is unfavorable for developing of later stage fortune dimension and measurement work.
Disclosure of Invention
The utility model discloses a solve the weak point among the prior art, provide a high pressure boundary electric-energy metering box, can solve installation construction, fortune maintenance and repair, measurement on power supply department's high pressure boundary switch and the metering device post and check meter inconveniently to and boundary switch and the outdoor installation of metering device receive the problem that the environmental impact is big, the fault rate is high.
The utility model provides a technical scheme who takes in order to solve above-mentioned problem provides a high pressure boundary electric energy batch meter, including the cabinet body, the inside of the cabinet body is divided into five independent compartments through metal baffle, be high-voltage switch room, high-pressure inlet wire room, high-pressure outlet wire room, measurement room and gas bin respectively, high-voltage switch room, high-pressure inlet wire room, high-pressure outlet wire room and measurement room are respectively towards four position and around the gas bin setting, switch room door, inlet wire room door, outlet wire room door and measurement room door are installed respectively to the position that corresponds high-voltage switch room, high-pressure inlet wire room, high-pressure outlet wire room and measurement room on the cabinet body, the both sides of high-voltage switch room are high-pressure inlet wire room and high-pressure;
an observation hole is formed in the side wall of the air bin close to the high-voltage wire outlet chamber, and an observation window is installed at the observation hole; and rotating mortise lock assemblies for controlling the opening and closing of the door panel are arranged on the door opening and closing chamber and the door measuring chamber.
Preferably, rotate the mortise lock subassembly and include twist grip, go up inserted bar and lower inserted bar, twist grip rotates the middle part of connecting at switch room door or measurement room door, and switch room door or measurement room door are worn out to twist grip's one end, and twist grip's other end fixedly connected with turning block, last inserted bar and lower inserted bar all set up in cabinet internal portion, go up the vertical setting of inserted bar and lower inserted bar and articulate on the turning block through waist shape hole respectively.
Preferably, an upper guide block and a lower guide block are fixed on the door of the opening and closing chamber and the door of the metering chamber, the upper insertion rod is in sliding connection with the upper guide block, and the lower insertion rod is in sliding connection with the lower guide block.
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, 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 plurality of heat dissipation holes are respectively formed in the wire inlet chamber door and the wire outlet chamber door.
Preferably, a document box is installed on an inner side wall of the opening and closing chamber door.
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 installing the observation window on the lateral wall that the gas storehouse is close to high pressure wire outlet room, see through the observation window, can observe the separating brake of three station isolator, the real-time operating condition of combined floodgate and ground connection, fortune dimension maintainer is according to the real-time operating position of three station isolator of needs real-time observation of work, for overhauing fortune dimension work provides reliable safety guarantee, solved the problem that SF6 gas-insulated cabinet can not real-time observation isolator operating condition, for fortune dimension maintenance work provides very big facility.
3. The rotating mortise lock assembly used for controlling the opening and closing of the door panel is installed on the door opening and closing door and the door measuring door, when the door opening and closing door or the door measuring door needs to be opened, the door opening and closing door or the door measuring door can be opened and closed quickly only by rotating the rotating handle, and operation is convenient.
4. 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.
5. 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 file box comprises a cabinet body, 11, a metal partition plate, 12, a door for opening and closing doors, 121, a first hinge, 122, a second hinge, 123, a file box, 124, a rotating handle, 125, an upper insertion rod, 126, a lower insertion rod, 127, a rotating block, 128, an upper guide block, 129, a lower guide block, 13, a door for incoming lines, 14, a door for outgoing lines, 15, a door for metering doors, 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 a high pressure boundary electric energy metering box 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 bin 3, high-voltage switch room 4, high-pressure inlet wire room 5, high pressure outlet wire room 6 and measurement room 7 are respectively towards four position and around the setting of gas bin 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.
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.
The door 12 for opening and closing the door and the door 15 for measuring the door are both provided with a rotating mortise lock assembly, the rotating mortise lock assembly comprises a rotating handle 124, an upper insertion rod 125 and a lower insertion rod 126, the rotating handle 124 is rotatably connected to the middle part of the door 12 for opening and closing the door or the door 15 for measuring the door, one end of the rotating handle 124 penetrates out of the door 12 for opening and closing the door or the door 15 for measuring the door, the other end of the rotating handle 124 is fixedly connected with a rotating block 127, the upper insertion rod 125 and the lower insertion rod 126 are all arranged inside the cabinet body 1, and the upper insertion rod 125 and the lower insertion rod 126 are vertically arranged and are; an upper guide block 128 and a lower guide block 129 are fixed on the opening and closing chamber door 12 and the metering chamber door 15, the upper insertion rod 125 is slidably connected with the upper guide block 128, and the lower insertion rod 126 is slidably connected with the lower guide block 129.
When the rotating handle 124 rotates, the rotating block 127 is driven to rotate, the upper insertion rod 125 and the lower insertion rod 126 are far away from or close to each other, when the upper insertion rod 125 and the lower insertion rod 126 are far away from each other, the upper insertion rod 125 and the lower insertion rod 126 vertically extend out of the door 12 for opening and closing the door 15 for opening and closing the door 12 for opening and closing the door 15 for measuring the door and block the inside of the cabinet 1, when the upper insertion rod 125 and the lower insertion rod 126 are close to each other, the upper insertion rod 125 and the lower insertion rod 126 vertically leave the cabinet 1 for retracting the inside of the door 12 for opening and closing the door 15 for measuring. The upper guide block 128 and the lower guide block 129 may guide the upper insert rod 125 and the lower insert rod 126.
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. Can establish the padlock on the strapping table storehouse 71, ensure that equipment reliable operation in the measurement room 7, no high voltage charged body exposes in the measurement room 7, avoid copying, the risk that the fortune dimension personnel electrocuted, strapping table storehouse 71 is close to measurement voltage transformer 72 and measurement current transformer 73 and concentrates the design installation, and directly in the lower part of circuit breaker 31, compact structure, the measurement signal acquisition of being convenient for avoids stealing the possibility of electricity.
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 a high pressure boundary electric-energy metering box which characterized in that: the high-voltage switch cabinet comprises a cabinet body, the interior of the cabinet body is divided into five independent compartments through metal partition plates, namely a high-voltage switch chamber, a high-voltage wire inlet chamber, a high-voltage wire outlet chamber, a metering chamber and a gas bin, the high-voltage switch chamber, the high-voltage wire inlet chamber, the high-voltage wire outlet chamber and the metering chamber face four directions respectively and are arranged around the gas bin, a switch chamber door, a wire inlet chamber door, a wire outlet chamber door and a metering chamber door are mounted at positions on the cabinet body corresponding to the high-voltage switch chamber, the high-voltage wire inlet chamber, the high-voltage wire outlet chamber and the metering chamber respectively, and;
an observation hole is formed in the side wall of the air bin close to the high-voltage wire outlet chamber, and an observation window is installed at the observation hole; and rotating mortise lock assemblies for controlling the opening and closing of the door panel are arranged on the door opening and closing chamber and the door measuring chamber.
2. The high-voltage demarcation electric energy metering box according to claim 1, characterized in that: the rotation mortise lock subassembly includes twist grip, goes up the inserted bar and inserts the pole down, and twist grip rotates the middle part of connecting at switch room door or measurement room door, and switch room door or measurement room door are worn out to twist grip's one end, and twist grip's other end fixedly connected with turning block, last inserted bar and lower inserted bar all set up at cabinet internal portion, go up the inserted bar and insert the vertical setting of pole down and articulate on the turning block through waist shape hole respectively.
3. The high-voltage demarcation electric energy metering box according to claim 2, characterized in that: an upper guide block and a lower guide block are fixed on the door of the opening and closing chamber and the door of the metering chamber, an upper insertion rod is connected with the upper guide block in a sliding manner, and a lower insertion rod is connected with the lower guide block in a sliding manner.
4. The high-voltage demarcation electric energy metering box according to claim 3, 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.
5. The high-voltage demarcation electric energy metering box according to claim 4, 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. The high-voltage demarcation electric energy metering box according to any one of claims 1 to 5, characterized in that: a plurality of heat dissipation holes are respectively formed in the wire inlet chamber door and the wire outlet chamber door.
7. The high-voltage demarcation electric energy metering box according to claim 6, characterized in that: the inner side wall of the opening and closing chamber door is provided with a file box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450341.3U CN210404538U (en) | 2019-09-03 | 2019-09-03 | High-voltage demarcation electric energy metering box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450341.3U CN210404538U (en) | 2019-09-03 | 2019-09-03 | High-voltage demarcation electric energy metering box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404538U true CN210404538U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921450341.3U Expired - Fee Related CN210404538U (en) | 2019-09-03 | 2019-09-03 | High-voltage demarcation electric energy metering box |
Country Status (1)
| Country | Link |
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| CN (1) | CN210404538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614391A (en) * | 2022-05-13 | 2022-06-10 | 宁波耐森电气科技有限公司 | Compact switch device suitable for wind power |
-
2019
- 2019-09-03 CN CN201921450341.3U patent/CN210404538U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614391A (en) * | 2022-05-13 | 2022-06-10 | 宁波耐森电气科技有限公司 | Compact switch device suitable for wind power |
| CN114614391B (en) * | 2022-05-13 | 2022-07-22 | 宁波耐森电气科技有限公司 | Compact switch device suitable for wind power |
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Granted publication date: 20200424 |