CN112103792A - High-voltage circuit breaker for power distribution system - Google Patents

High-voltage circuit breaker for power distribution system Download PDF

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Publication number
CN112103792A
CN112103792A CN202010984317.9A CN202010984317A CN112103792A CN 112103792 A CN112103792 A CN 112103792A CN 202010984317 A CN202010984317 A CN 202010984317A CN 112103792 A CN112103792 A CN 112103792A
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CN
China
Prior art keywords
circuit breaker
voltage circuit
base
high voltage
cabinet body
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Granted
Application number
CN202010984317.9A
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Chinese (zh)
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CN112103792B (en
Inventor
李渝
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Asiton Shandong Switch Co ltd
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Individual
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Priority to CN202010984317.9A priority Critical patent/CN112103792B/en
Publication of CN112103792A publication Critical patent/CN112103792A/en
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Publication of CN112103792B publication Critical patent/CN112103792B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/53Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52Cooling of switch parts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303Bases or feet
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52Cooling of switch parts
    • H01H2009/526Cooling of switch parts of the high voltage switches

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses a high-voltage circuit breaker for a power distribution system, relates to the technical field of power systems, and particularly relates to a high-voltage circuit breaker for a power distribution system. Set up the protection cabinet body through the outside at high voltage circuit breaker, utilize the protection cabinet body to protect high voltage circuit breaker, avoid high voltage circuit breaker to receive destruction, guaranteed high voltage circuit breaker's normal use, the protection cabinet body can prevent to be infected with bird's droppings on the insulator simultaneously, avoids taking place the outage accident, sets up insulating rubber layer and insulating ceramic layer through the inside at the protection cabinet body, has avoided the protection cabinet body electrified, prevents to take place the danger of electrocuteeing.

Description

High-voltage circuit breaker for power distribution system
Technical Field
The invention relates to the technical field of power systems, in particular to a high-voltage circuit breaker for a power distribution system.
Background
The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system has a fault, and has quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into: oil circuit breakers (multiple oil circuit breakers, less oil circuit breakers), sulfur hexafluoride circuit breakers (SF6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc.
High voltage circuit breaker is at the in-process of using, and the outside of circuit breaker lacks corresponding safeguard measure, and the circuit breaker receives external destruction easily, especially causes the broken circuit accident easily when bird excrement etc. is stained with and attaches to the insulator, causes the unnecessary loss, and when personnel's accident touched the high voltage circuit breaker simultaneously, the danger of electrocuteeing easily takes place, provides a high voltage circuit breaker for distribution system for this.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention provides a high voltage circuit breaker for a power distribution system, which solves the problems set forth in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high voltage circuit breaker for distribution system, includes the base, the top fixedly connected with protection cabinet body of base, the inside of the protection cabinet body is provided with high voltage circuit breaker, the front of base articulates there is the guard gate, the seal groove has been seted up to the inside of guard gate, the side of base is provided with the air inlet, the inside fixed mounting of air inlet has air inlet fan, the top fixedly connected with gas outlet of base, the inside fixed mounting of gas outlet has air outlet fan, the outside of gas outlet is provided with the canopy, the right side fixedly connected with mounting panel of base, the inside of mounting panel is provided with the inflation screw, the fixed stock of bottom fixedly connected with of base, the outside of fixed stock is provided with the bulge loop.
Optionally, the top fixedly connected with fixing base of base, fixing bolt has been cup jointed to the internal thread of fixing base, high voltage circuit breaker's top is provided with the fixed block, high voltage circuit breaker's side fixedly connected with fixed block, the fixed block joint just is in the same place through fixing bolt and base fixed connection in the inside of fixing base.
Optionally, the protection cabinet body comprises an insulation shell, the insulation shell is located on the outermost side of the protection cabinet body, an insulation adhesive is arranged inside the insulation shell, an insulation rubber layer is arranged inside the insulation adhesive, and an insulation ceramic layer is arranged inside the insulation rubber layer.
Optionally, the front of base is provided with the opening, the opening is corresponding with the guard gate, open-ended outside fixed mounting has the rubber seal, the rubber seal matches with the seal groove.
Optionally, the number of air inlet has two and symmetric distribution in the left and right sides of base, the air inlet is sunken to the inside of base, the air inlet bottom is the below slope of right side.
Optionally, the gas outlet is located directly over the high-voltage circuit breaker, the width of gas outlet is less than the width of the protection cabinet body, the top of gas outlet is located the inside of canopy completely.
Optionally, the rain shed is umbrella-shaped in cross section, the bottom of the rain shed is connected with the top of the base through a connecting rod, and a ventilation channel is arranged between the bottom of the rain shed and the top of the base.
Optionally, the mounting panel symmetric distribution is in the both sides of base, and every side the mounting panel all is provided with and is no less than three expansion screw, the length of fixed stock is no less than fifteen centimetres, the bottom of fixed stock is the taper shape.
The invention provides a high-voltage circuit breaker for a power distribution system, which has the following beneficial effects:
1. this high voltage circuit breaker for distribution system, outside through at high voltage circuit breaker sets up the protection cabinet body, utilize the protection cabinet body to protect high voltage circuit breaker, avoid high voltage circuit breaker to receive destruction, high voltage circuit breaker's normal use has been guaranteed, the protection cabinet body can prevent to be infected with bird's droppings on the insulator simultaneously, avoid taking place the outage accident, inside through at the protection cabinet body sets up insulating rubber layer and insulating ceramic layer, utilize insulating rubber layer and insulating ceramic layer to keep apart high voltage circuit breaker, prevent that the electric power on the high voltage circuit breaker from conducting to the protection cabinet body on, it is electrified to have avoided the protection cabinet body, prevent to take place the danger of electroc.
2. This high voltage circuit breaker for distribution system, cooperation through sealed rubber ring and seal groove is used, utilize sealed rubber ring and seal groove to seal up the gap between the protective door and the protective cabinet body, prevent that external rainwater from entering into the inside of the protective cabinet body along the gap before the protective door and the protective cabinet body, avoid the high voltage circuit breaker of the internal portion of protective cabinet to be drenched by the rainwater, set up the canopy through the bottom at the gas outlet, utilize the canopy to shelter from the gas outlet, avoid the rainwater to enter into the inside of the protective cabinet body from gas outlet department, further assurance high voltage circuit breaker's safety.
3. This high voltage circuit breaker for distribution system, side through at the protection cabinet body sets up air intake fan, utilize air intake fan to carry the inside of the protection cabinet body with external air to cooling down, avoid high voltage circuit breaker high temperature, then the hot-air outgoing of the internal portion of protection cabinet by the fan of giving vent to anger, the cooling performance of high voltage circuit breaker has been improved, set up fixed stock through the bottom at the base, when installing the protection cabinet body, bury fixed stock below the ground earlier, utilize the outside protruding ring of fixed stock to increase the frictional force of fixed stock and ground, improve the fastness of fixed stock to the base is fixed, avoid the protection cabinet body to empty.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the air outlet of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is a schematic structural diagram of the high voltage circuit breaker of the present invention;
fig. 5 is a schematic structural diagram of the protective cabinet of the present invention.
In the figure: 1. a base; 101. a fixed seat; 102. fixing the bolt; 2. a protective cabinet body; 201. an insulating housing; 202. insulating glue; 203. an insulating rubber layer; 204. an insulating ceramic layer; 3. a high voltage circuit breaker; 301. an insulator; 302. a fixed block; 4. sealing the rubber ring; 5. a protective door; 6. a sealing groove; 7. an air inlet; 8. an air intake fan; 9. an air outlet; 10. an air outlet fan; 11. a rain shelter; 12. mounting a plate; 13. an expansion screw; 14. fixing an anchor rod; 15. a raised ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a high-voltage circuit breaker for a power distribution system comprises a base 1, wherein a protection cabinet body 2 is fixedly connected to the top of the base 1, the protection cabinet body 2 is arranged outside a high-voltage circuit breaker 3, the high-voltage circuit breaker 3 is protected by the protection cabinet body 2, the high-voltage circuit breaker 3 is prevented from being damaged, the normal use of the high-voltage circuit breaker 3 is ensured, meanwhile, the protection cabinet body 2 can prevent bird droppings on an insulator 301, and a power failure accident is avoided, the protection cabinet body 2 comprises an insulation shell 201, the insulation shell 201 is positioned at the outermost side of the protection cabinet body 2, an insulation adhesive 202 is arranged inside the insulation shell 201, an insulation rubber layer 203 is arranged inside the insulation adhesive 202, an insulation ceramic layer 204 is arranged inside the insulation rubber layer 203, an insulation rubber layer 203 and an insulation ceramic layer 204 are arranged inside the protection cabinet body 2, and the insulation rubber layer 203 and, prevent the electric power on the high-voltage circuit breaker 3 from being conducted to the protection cabinet body 2, avoid the protection cabinet body 2 from being electrified, and prevent the danger of electric shock, the high-voltage circuit breaker 3 is arranged in the protection cabinet body 2, the top of the base 1 is fixedly connected with a fixed seat 101, the internal thread of the fixed seat 101 is sleeved with a fixed bolt 102, the top of the high-voltage circuit breaker 3 is provided with a fixed block 302, the side surface of the high-voltage circuit breaker 3 is fixedly connected with the fixed block 302, the fixed block 302 is clamped in the fixed seat 101 and is fixedly connected with the base 1 through the fixed bolt 102, the front surface of the base 1 is provided with an opening, the opening corresponds to the protection door 5, the outside of the opening is fixedly provided with a sealing rubber ring 4, the sealing rubber ring 4 is matched with a sealing groove 6, and the sealing rubber ring 4 and the sealing groove 6 are, prevent external rainwater from entering the interior of the protection cabinet body 2 along a gap between the protection door 5 and the protection cabinet body 2, prevent the high-voltage circuit breaker 3 in the protection cabinet body 2 from being wetted by rainwater, the front of the base 1 is hinged with the protection door 5, a sealing groove 6 is arranged in the protection door 5, air inlets 7 are arranged on the side surface of the base 1, the number of the air inlets 7 is two, and the air inlets 7 are symmetrically distributed on the left side and the right side of the base 1, the air inlets 7 are sunken towards the interior of the base 1, the bottom of the air inlets 7 is inclined towards the lower right, an air inlet fan 8 is fixedly arranged in the air inlets 7, the air inlet fan 8 is arranged on the side surface of the protection cabinet body 2, convey external air to the interior of the protection cabinet body 2 by the air inlet fan 8 for cooling, prevent the high-temperature of the high-voltage circuit breaker, the cooling performance of the high-voltage circuit breaker 3 is improved, the top of the base 1 is fixedly connected with the air outlet 9, the air outlet 9 is positioned right above the high-voltage circuit breaker 3, the width of the air outlet 9 is smaller than that of the protection cabinet body 2, the top of the air outlet 9 is completely positioned in the rain shelter 11, the air outlet fan 10 is fixedly installed in the air outlet 9, the rain shelter 11 is arranged outside the air outlet 9, the cross section of the rain shelter 11 is umbrella-shaped, the bottom of the rain shelter 11 is connected with the top of the base 1 through a connecting rod, an air duct is arranged between the bottom of the rain shelter 11 and the top of the base 1, the rain shelter 11 is arranged at the bottom of the air outlet 9, the air outlet 9 is shielded by the rain shelter 11, rainwater is prevented from entering the interior of the protection cabinet body 2 from the air outlet 9, the safety of the high-voltage circuit breaker 3 is further ensured, the right, the inside of mounting panel 12 is provided with inflation screw 13, the fixed stock 14 of bottom fixedly connected with of base 1, the outside of fixed stock 14 is provided with protruding ring 15, mounting panel 12 symmetric distribution is in the both sides of base 1, every side mounting panel 12 all is provided with and is no less than three inflation screw 13, fifteen centimetres are no less than to fixed stock 14's length, the bottom of fixed stock 14 is conical, set up fixed stock 14 through the bottom at base 1, when installing the protection cabinet body 2, bury fixed stock 14 below the ground earlier, utilize the outside protruding ring 15 of fixed stock 14 to increase the frictional force of fixed stock 14 and ground, improve the fastness that fixed stock 14 was fixed to base 1, avoid the protection cabinet body 2 to empty.
In conclusion, this high voltage circuit breaker for distribution system, during the use, bury the fixed stock 14 of base 1 bottom to the underground, then use inflation screw 13 to fix base 1, later with the insulator 301 joint of high voltage circuit breaker 3 bottom to fixing base 101, then use fixing bolt 102 to fix high voltage circuit breaker 3, then close guard gate 5, make sealing rubber ring 4 joint to in the seal groove 6, during operation, blow to the inside of the protection cabinet body 2 through air inlet fan 8, dispel the heat to high voltage circuit breaker 3, then ann has air outlet fan 10 to blow out the inside air of high voltage circuit breaker 3, through set up insulating rubber layer 203 and insulating ceramic layer 204 in the inside of the protection cabinet body 2, improve the insulating properties of the protection cabinet body 2, avoid the electric leakage, can.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (8)

1. A high-voltage circuit breaker for a power distribution system comprises a base (1), and is characterized in that: the top of the base (1) is fixedly connected with a protective cabinet body (2), a high-voltage circuit breaker (3) is arranged inside the protective cabinet body (2), a protective door (5) is hinged to the front of the base (1), a sealing groove (6) is formed in the protective door (5), an air inlet (7) is formed in the side face of the base (1), an air inlet fan (8) is fixedly installed in the air inlet (7), an air outlet (9) is fixedly connected to the top of the base (1), an air outlet fan (10) is fixedly installed in the air outlet (9), a rain shelter (11) is arranged outside the air outlet (9), a mounting plate (12) is fixedly connected to the right side of the base (1), an expansion screw (13) is arranged inside the mounting plate (12), and a fixed anchor rod (14) is fixedly connected to the bottom of the base (1), and a raised ring (15) is arranged outside the fixed anchor rod (14).
2. A high voltage circuit breaker for a power distribution system according to claim 1, wherein: the top fixedly connected with fixing base (101) of base (1), fixing bolt (102) have been cup jointed to the internal thread of fixing base (101), the top of high voltage circuit breaker (3) is provided with fixed block (302), the side fixedly connected with fixed block (302) of high voltage circuit breaker (3), fixed block (302) joint just is in the same place with base (1) fixed connection through fixing bolt (102) in the inside of fixing base (101).
3. A high voltage circuit breaker for a power distribution system according to claim 1, wherein: the protection cabinet body (2) is including insulating casing (201), insulating casing (201) are located the outside of the protection cabinet body (2), the inside of insulating casing (201) is provided with insulating viscose (202), the inside of insulating viscose (202) is provided with insulating rubber layer (203), the inside of insulating rubber layer (203) is provided with insulating ceramic layer (204).
4. A high voltage circuit breaker for a power distribution system according to claim 1, wherein: the front of base (1) is provided with the opening, the opening is corresponding with guard gate (5), open-ended outside fixed mounting has sealing rubber ring (4), sealing rubber ring (4) and seal groove (6) phase-match.
5. A high voltage circuit breaker for a power distribution system according to claim 1, wherein: the quantity of air inlet (7) has two and symmetric distribution in the left and right sides of base (1), air inlet (7) are sunken to the inside of base (1), air inlet (7) bottom below slope to the right.
6. A high voltage circuit breaker for a power distribution system according to claim 1, wherein: gas outlet (9) are located high voltage circuit breaker (3) directly over, the width of gas outlet (9) is less than the width of the protection cabinet body (2), the top of gas outlet (9) is located the inside of canopy (11) completely.
7. A high voltage circuit breaker for a power distribution system according to claim 1, wherein: the cross-sectional shape of rain shelter (11) is umbrella-shaped, the bottom of rain shelter (11) links together through the top of connecting rod with base (1), be provided with the ventiduct between the bottom of rain shelter (11) and the top of base (1).
8. A high voltage circuit breaker for a power distribution system according to claim 1, wherein: mounting panel (12) symmetric distribution is in the both sides of base (1), every side mounting panel (12) all are provided with and are no less than three expansion screw (13), fifteen centimetres are no less than to the length of fixed stock (14), the bottom of fixed stock (14) is the taper shape.
CN202010984317.9A 2020-09-18 2020-09-18 High-voltage circuit breaker for power distribution system Active CN112103792B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010984317.9A CN112103792B (en) 2020-09-18 2020-09-18 High-voltage circuit breaker for power distribution system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010984317.9A CN112103792B (en) 2020-09-18 2020-09-18 High-voltage circuit breaker for power distribution system

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CN112103792A true CN112103792A (en) 2020-12-18
CN112103792B CN112103792B (en) 2022-07-26

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406724A (en) * 1972-12-19 1975-09-17 Westinghouse Electric Corp Circuit breaker with terminal connection means
CN201523173U (en) * 2009-09-11 2010-07-07 刘开通 Temporary transformer cabinet used for building sites
CN206639763U (en) * 2017-04-25 2017-11-14 淮阴师范学院 A kind of easy-to-mount breaker
CN208001104U (en) * 2018-04-04 2018-10-23 韶关市鸿杰电力安装工程有限公司 Hanger frame for mounting power switch
CN208623218U (en) * 2018-08-10 2019-03-19 河南森源电气股份有限公司 Box-type substation and substation's case
CN208955478U (en) * 2018-11-29 2019-06-07 广州云冠智能科技有限公司 A kind of outdoor lightning protection surge protection instrument box
CN209282615U (en) * 2019-03-04 2019-08-20 衢州万电电气有限公司 A kind of outdoor electrical switchgear with Rainproof moisture-proof structure
CN210577266U (en) * 2019-07-16 2020-05-19 天水程达电气有限公司 Ventilation device of power distribution cabinet
CN210628727U (en) * 2019-08-09 2020-05-26 深圳市奇辉电气有限公司 Integrated AC power supply input module

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406724A (en) * 1972-12-19 1975-09-17 Westinghouse Electric Corp Circuit breaker with terminal connection means
CN201523173U (en) * 2009-09-11 2010-07-07 刘开通 Temporary transformer cabinet used for building sites
CN206639763U (en) * 2017-04-25 2017-11-14 淮阴师范学院 A kind of easy-to-mount breaker
CN208001104U (en) * 2018-04-04 2018-10-23 韶关市鸿杰电力安装工程有限公司 Hanger frame for mounting power switch
CN208623218U (en) * 2018-08-10 2019-03-19 河南森源电气股份有限公司 Box-type substation and substation's case
CN208955478U (en) * 2018-11-29 2019-06-07 广州云冠智能科技有限公司 A kind of outdoor lightning protection surge protection instrument box
CN209282615U (en) * 2019-03-04 2019-08-20 衢州万电电气有限公司 A kind of outdoor electrical switchgear with Rainproof moisture-proof structure
CN210577266U (en) * 2019-07-16 2020-05-19 天水程达电气有限公司 Ventilation device of power distribution cabinet
CN210628727U (en) * 2019-08-09 2020-05-26 深圳市奇辉电气有限公司 Integrated AC power supply input module

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Effective date of registration: 20220630

Address after: 257029 second floor of A1 plant, No. 171 Fenhe Road, Dongying District, Dongying City, Shandong Province

Applicant after: ASITON (SHANDONG) SWITCH Co.,Ltd.

Address before: Sichuan Kunlun Electric Power Co., Ltd., No. 495, section 3, Tianyuan Road, Chengdu, Sichuan 610500

Applicant before: Li Yu

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Denomination of invention: A high-voltage circuit breaker for distribution systems

Effective date of registration: 20230921

Granted publication date: 20220726

Pledgee: Weihai commercial bank Limited by Share Ltd. Dongying branch

Pledgor: ASITON (SHANDONG) SWITCH Co.,Ltd.

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