CN218040258U - Electric power fire protection device - Google Patents

Electric power fire protection device Download PDF

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Publication number
CN218040258U
CN218040258U CN202222238143.9U CN202222238143U CN218040258U CN 218040258 U CN218040258 U CN 218040258U CN 202222238143 U CN202222238143 U CN 202222238143U CN 218040258 U CN218040258 U CN 218040258U
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CN
China
Prior art keywords
cabinet body
dry powder
piece
side wall
powder ball
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Application number
CN202222238143.9U
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Chinese (zh)
Inventor
黄祯魁
陈晓丹
阮小娟
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Fujian Jianglong Water Conservancy And Hydropower Engineering Co ltd
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Fujian Jianglong Water Conservancy And Hydropower Engineering Co ltd
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Priority to CN202222238143.9U priority Critical patent/CN218040258U/en
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Abstract

The application relates to an electric power fire protection device, which comprises a cabinet body, wherein a plurality of ventilation openings are formed in two sides of the cabinet body, and the cabinet body is provided with a fire protection mechanism and a control mechanism; the fireproof mechanism is arranged on the upper side wall of the box body; the fire-proof mechanism comprises a guide rail, a dry powder ball and a puncture piece, the guide rail is arranged on the upper side wall of the box body, the puncture piece is arranged on the guide rail, the dry powder ball is arranged on one side of the puncture piece, and the dry powder ball is fixedly connected with the upper side wall of the cabinet body; the control mechanism comprises a sensor, a controller and a driving assembly, the sensor is connected with the driving assembly through the controller, the sensor comprises a temperature sensor and a light sensor, and the driving assembly is used for controlling the piercing member to move towards the dry powder ball. This application is through setting up fire protection mechanism, when producing spark or flame because of the circuit short circuit in the electric power cabinet, sprays the dry powder and puts out a fire. Thereby avoiding larger fire and reducing loss.

Description

Electric power fire protection device
Technical Field
The application relates to the field of power equipment, in particular to an electric power fire protection device.
Background
The electric power engineering is the engineering related to the production, transmission and distribution of electric energy. The electrical cabinet is an important ring in power engineering, and is used for arranging components such as electrical equipment and elements.
With the development of society, the consumption of electric power is also increasing by a wide margin for the use of various electric equipment, and the subassembly in the regulator cubicle can produce a large amount of heats in the use, if this part of heat is not discharged in time, can lead to the inside high temperature of switch board. When the inside high temperature state that is in of switch board for a long time, inside electrical components fragile, and then lead to the short circuit of circuit to catch fire.
In order to reduce the temperature in the cabinet body, chinese patent with the publication number CN 216251684U discloses a power construction electric power fireproof protection device, which dissipates heat of the cabinet by arranging ventilation openings at two sides of the cabinet.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: although the temperature inside the power distribution cabinet can be reduced by ventilation in the prior art, the phenomenon of aging and the like of internal electrical components can occur after a long time, and the short circuit and fire are caused, so the inventor thinks that a great improvement space is left for improving the fireproof protection of the power equipment.
Disclosure of Invention
In order to improve the fire protection to power equipment, this application provides an electric power fire protection device.
The application provides a pair of electric power fire protection device adopts following technical scheme:
an electric power fireproof protection device comprises a cabinet body, wherein a plurality of ventilation openings are formed in two sides of the cabinet body, and the cabinet body is provided with a fireproof mechanism and a control mechanism; the fireproof mechanism is arranged on the upper side wall of the box body; the fireproof mechanism comprises a guide rail, a dry powder ball and a puncturing piece, the guide rail is arranged on the upper side wall of the box body, the puncturing piece is installed on the guide rail, the dry powder ball is arranged on one side of the puncturing piece, and the dry powder ball is fixedly connected with the upper side wall of the cabinet body; the control mechanism comprises a sensor, a controller and a driving assembly, the sensor is connected with the driving assembly through the controller, the sensor comprises a temperature sensor and an optical sensor, and the driving assembly is used for controlling the piercing member to move towards the dry powder ball.
Through adopting above-mentioned technical scheme, set up the vent in the both sides of the cabinet body, strengthen the circulation of air, avoid the internal electrical equipment of cabinet to produce great heat when the operation and pile up, reduce the hidden danger that electrical equipment is on fire.
When short circuit and fire happen in the cabinet body, sparks or small flames are generated in the cabinet body. Through the technical scheme, the sensing device of the control mechanism detects sparks or small flames, and the driving assembly pushes the puncturing piece to puncture the dry powder ball, so that the dry powder is released to extinguish fire.
Optionally, a space is provided between the piercing member and the dry powder ball.
By adopting the technical scheme, on one hand, the problem that the spine piece punctures the dry powder ball in advance due to the influence of wind power or other external force on the dry powder ball is reduced; on the other hand, the first blocking piece is firstly blocked up the ventilation opening. Then the dry powder ball is punctured to release the dry powder, thereby improving the fire extinguishing effect of the dry powder.
Optionally, the cabinet body is further provided with a ventilation control mechanism and a steel wire rope; the ventilation control mechanism is arranged on two opposite side walls of the cabinet body; the ventilation control mechanism comprises a first blocking piece and two sliding rails, the two sliding rails are vertically arranged on the side wall, provided with the ventilation opening, of the cabinet body in parallel, one end of the steel wire rope is connected to the upper portion of the first blocking piece, and the other end of the steel wire rope is connected to the adjacent puncturing piece; when the puncturing piece moves towards the dry powder ball, the distance between the puncturing piece and the vent corresponding to the matched first baffle plate is shortened.
The fire extinguishing principle of the dry powder is that the powder of the dry powder falls outside the surface of a combustible object to generate chemical reaction and form a layer of glassy covering layer under the action of high temperature, thereby isolating oxygen and further extinguishing fire by suffocation.
The ventilation openings and the dry powder balls are arranged at the same time, when the dry powder falls down to the power equipment of the cabinet body from the dry powder balls, if strong wind blows into the cabinet body through the ventilation openings, part of the dry powder is driven to blow out of the cabinet body through the ventilation openings at the other side, the use amount of the dry powder is influenced, and the fire extinguishing effect is reduced; meanwhile, flowing air is arranged in the cabinet body, so that dry powder is easily blown to the other side of the air inlet, and the fire extinguishing effect of the side of the air inlet is influenced; moreover, the air flowing in the cabinet body can influence the dry powder to fall on the power equipment to form a glass covering layer, and the fire extinguishing effect is influenced.
Through adopting above-mentioned technical scheme, when drive assembly drive piercing member moved to the dry powder ball, first separation blade downstream blocked the ventilative mouth of cabinet body both sides to reduce the internal ventilation of cabinet. The fire extinguishing effect of the dry powder fire extinguishing is improved, thereby reducing the possibility of larger fire.
Optionally, the upper side wall of the cabinet body is provided with a third separation blade, the third separation blade with the piercing piece is arranged on two sides of the dry powder ball relatively, the third separation blade is fixedly connected with the upper side wall of the cabinet body, and the third separation blade is contacted with the dry powder ball.
Through the technical scheme, the third blocking piece is arranged, so that the dry powder ball can be conveniently punctured by the sharp part, and the puncturing reaction time is prolonged.
Optionally, a plurality of first through holes are formed in the first blocking piece, and the first through holes correspond to the ventilation openings in the side wall of the cabinet body one to one.
Through adopting above-mentioned technical scheme, set up the first hole with the vent one-to-one on first separation blade, at ordinary times, first hole staggers with the vent, has guaranteed the ventilation effect of the cabinet body. When a fire disaster happens in the cabinet body, the first blocking piece with the first hole can block the vent hole only by moving a small distance, so that the storage space of the first blocking piece is reduced, the time for blocking the vent hole by the first blocking piece is also reduced, and the fire extinguishing effect is improved.
Optionally, the internal second separation blade that is equipped with of cabinet, the second separation blade with the bottom side wall of the cabinet body is connected, the second separation blade with the cabinet body has the interval has between the lateral wall of vent.
The ventilation openings are arranged on the two sides of the cabinet body, so that the ventilation performance of the cabinet body is improved, and the temperature in the cabinet body is reduced. But also has the problem that part of the external sunlight can shine on the electric wire and the power equipment in the cabinet body through the ventilation opening. The long-time sunlight irradiation easily causes the aging of the protective sleeves on the surfaces of electric wires and power equipment, has the hidden danger of causing fire and reduces the service life of products.
Through adopting above-mentioned technical scheme, set up the second separation blade in one side of vent, when ventilating, the second separation blade has blockked that the sunshine that sees through the vent shines on the internal electric wire level electric power facility of cabinet, reduces electric wire and power equipment's ageing, reduces the hidden danger of conflagration.
Optionally, the second baffle is provided with a plurality of second through holes, the second through holes correspond to the ventilation openings one by one, and the second through holes and the ventilation openings are located at the same height position.
Through adopting above-mentioned technical scheme, set up the second through-hole on the second baffle, and the second through-hole all with the vent one-to-one, and on same height. The second separation blade still does not influence the internal ventilation effect of cabinet when blocking external sunshine and shining the internal power equipment of cabinet.
Optionally, the lower side of the second blocking piece is hinged to the bottom of the cabinet body, and a second connecting hole is formed in one side, far away from the bottom of the cabinet body, of the second blocking piece; an annular convex block is arranged on the inner side wall of the cabinet body, and a third connecting hole is formed in the convex block; and the second baffle is also provided with a connecting piece which is arranged on the second connecting hole and the third connecting hole in a penetrating way.
Through adopting above-mentioned technical scheme, when the staff need overhaul the power equipment in the electric power cabinet, untie being connected of connecting piece and third connecting hole, can make things convenient for the staff to overhaul on the bottom plate of electric power cabinet with the second baffle upset. And after the maintenance is finished, rotating the second baffle, standing the second baffle, and reconnecting the connecting piece with the third connecting hole.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the ventilation control mechanism is connected with the fire prevention mechanism through the steel wire rope, when sparks or flames are generated due to circuit short circuit in the electric power cabinet, the first blocking pieces block the ventilation openings on the two sides of the electric power cabinet when dry powder is sprayed to extinguish fire, the dry powder extinguishing effect is improved, and therefore larger fire is avoided, and loss is reduced;
2. through setting up the second separation blade that has the second through-hole, reduce external sunshine and shine the power equipment in the electric power cabinet through the vent, slow down power equipment's ageing, reduce the potential safety hazard of conflagration breaing out.
Drawings
Fig. 1 is an overall schematic diagram of the electric power cabinet of the present embodiment.
Fig. 2 is a schematic diagram for showing an internal structure of the power cabinet according to the embodiment.
Fig. 3 is a sectional view of the electric power cabinet of the present embodiment.
Fig. 4 is an enlarged view at B in fig. 3.
Fig. 5 is an enlarged view at a in fig. 2.
Description of reference numerals: 1. a cabinet body; 2. a cabinet door; 4. a vent; 5. a ventilation control mechanism; 51. a first baffle plate; 52. a first through hole; 53. a slide rail; 6. a fire prevention mechanism; 61. a guide rail; 62. a piercing member; 63. dry powder balls; 7. a wire rope; 8. a control mechanism; 81. a sensor; 82. a controller; 83. a drive assembly; 10. a second baffle plate; 11. a second through hole; 12. a second connection hole; 13. a connecting member; 14. an annular projection; 15. a third connection hole; 16. a guide wheel; 17. and a third baffle plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses electric power fire protection device. Referring to fig. 1, the electric fire protection device includes a cabinet body 1, a cabinet door 2 is disposed on a side wall of the cabinet body 1, and the cabinet door 2 is hinged to the cabinet body 1. In order to increase the ventilation effect of the cabinet body 1 and reduce the temperature in the cabinet body 1, a plurality of ventilation openings 4 are arranged on the side walls of two sides of the cabinet door 2.
Referring to fig. 2 to 4, a ventilation control mechanism 5, a fire prevention mechanism 6, a steel wire rope 7 and a control mechanism 8 are arranged in the cabinet body 1; the ventilation control mechanisms 5 are arranged on two opposite side walls of the cabinet body 1 and are used for controlling the ventilation condition of the cabinet body 1; the fireproof mechanism 6 is arranged on the upper side wall of the box body, and the fireproof mechanism 6 is used for eliminating sparks and flames in the cabinet body 1 and reducing the possibility of larger fire in the cabinet body 1; the ventilation control mechanism 5 is connected with the fire prevention mechanism 6 through a steel wire rope 7; the control mechanism 8 is arranged on the upper side wall of the box body, and the control mechanism 8 controls the operation of the fire prevention mechanism 6 and the ventilation control mechanism 5 according to the actual condition of the cabinet body 1.
Referring to fig. 2, the ventilation control mechanism 5 includes a first shutter 51 and a slide rail 53. Two vertical slide rails 53 parallel to each other are arranged on the side wall of the cabinet body 1, and the first blocking piece 51 is connected with the slide rails 53 in a sliding manner.
Referring to fig. 3, the fire protection mechanism 6 includes a guide rail 61, a dry powder ball 63, and a piercing member 62, the guide rail 61 is disposed on the upper side wall of the box body, the piercing member 62 is slidably mounted on the guide rail 61, the piercing member 62 may be a needle-shaped structure, the dry powder ball 63 is fixedly connected with the upper side wall of the cabinet body 1, and a distance is provided between the dry powder ball 63 and the piercing member 62.
Referring to fig. 4, the control mechanism 8 includes a sensor 81, a controller 82, and a drive assembly 83. The sensor 81 is connected with the driving assembly 83 through the controller 82; the sensor 81 comprises a temperature sensor and an optical sensor, the temperature sensor and the optical sensor are used for detecting the temperature and light changes in the cabinet body 1, the driving component 83 is used for controlling the puncturing part 62 to move towards the dry powder ball 63 and puncture the dry powder ball, the driving component 83 can be an electric push rod arranged in the cabinet body 1, and the telescopic end of the electric push rod is fixedly connected with the puncturing part 62 so as to drive the puncturing part 62 to move; the driving assembly 83 may also be a combination of a servo motor and a screw, wherein the screw is fixedly connected with an output shaft of the servo motor, and the screw is in threaded connection with the puncturing element 62, and is matched with the screw to drive the puncturing element 62 to slide along the guide rail 61.
One end of the steel wire rope 7 is connected to the puncture piece 62, and the other end of the steel wire rope 7 extends horizontally and bypasses the guide wheel 16 fixed on the inner wall of the cabinet body 1, and extends vertically downwards to be fixedly connected with the upper side of the first blocking piece 51; when the puncturing member 62 moves toward the dry powder ball 63, the distance between the puncturing member 62 and the ventilation opening 4 corresponding to the first shutter 51 is shortened.
The first stopper 51 is provided with first through holes 52 corresponding to the air vents 4 one to one. In the daily use process, the first through hole 52 of the first blocking piece 51 is overlapped with the vent 4, and the ventilation of the vent 4 is not influenced.
In this embodiment, the principle of the cooperation among the ventilation control mechanism 5, the fire prevention mechanism 6, and the control mechanism 8 is as follows:
referring to fig. 2 to 4, when a fire occurs due to a short circuit of electric equipment in the electric power cabinet, the temperature sensor and the light sensor of the control mechanism 8 detect a temperature increase and a brightness increase in the electric power cabinet, and transmit a signal to the controller; the controller 82 controls the driving assembly 83 to drive the piercing member 62 to move along the direction of the guide rail 61 toward the dry powder ball 63, at this moment, the steel wire rope 7 is changed from a tight state to a loose state, the first blocking piece 51 loses the limiting force, the first blocking piece 51 moves downward under the action of gravity, the first through hole 52 of the first blocking piece 51 is staggered with the vent 4, the vent 4 is blocked by the first blocking piece 51, and the circulation of air in the electric power cabinet is reduced.
When piercing member 62 is moved a distance, piercing member 62 pierces dry powder ball 63. The dry powder is sprayed downwards from the upper part of the electric power cabinet and covers the electric power equipment, so that small flames are eliminated, larger fire is avoided, and loss is reduced.
Meanwhile, in order to enhance the effect of the puncturing member 62 to puncture the dry powder ball 63, the dry powder ball 63 is provided with a third barrier 17 at a side opposite to the puncturing member 62.
The ventilation opening 4 has positive effects on increasing the air fluidity of the cabinet body 1, reducing the temperature in the cabinet body 1 and reducing the hidden danger of fire, but has a problem at the same time. The external air can penetrate through the ventilation opening 4 to irradiate the power equipment in the power cabinet, so that the aging of wires and other power equipment is accelerated, and the potential safety hazard is increased.
In order to solve the problem, a second baffle 10 is vertically arranged on the lower side wall of the cabinet body 1 close to the ventilation opening 4, a distance is reserved between the second baffle 10 and the side wall of the cabinet body 1 with the ventilation opening 4, the second baffle 10 is provided with a plurality of second through holes 11, the second through holes 11 correspond to the ventilation openings 4 one to one, and the second through holes 11 and the ventilation openings 4 are located at the same height position. The second blocking piece 10 is used for blocking outside sunshine, and reduces the direct irradiation of sunshine on the power equipment, slows down the ageing of power equipment.
The specific connection mode of the second barrier 10 and the cabinet body 1 is as follows: the second baffle 10 is articulated with 1 lateral wall under the cabinet body, when the staff need overhaul the electric power cabinet, puts the second baffle 10 flat to the staff overhauls. A second connecting hole 12 is formed in one side, away from the lower side wall of the cabinet body 1, of the first blocking piece 51, an annular convex block 14 is arranged on one side, provided with the ventilation opening 4, of the cabinet body 1, and a third connecting hole 15 is formed in the annular convex block 14; the second barrier 10 is further provided with a connecting member 13, and the connecting member 13 is inserted into the second connecting hole 12 and the third connecting hole 15 to fix the position of the second barrier 10.
Referring to fig. 5, the connecting member 13 may be a thick iron wire, a wire rope, or other components that can connect the second connecting hole 12 and the third connecting hole 15. In the present embodiment, the annular protrusion 14 is a nut, and the nut is fixed on the cabinet 1 by welding. Connecting piece 13 adopts thick iron wire, and thick iron wire wears to locate second connecting hole 12 and the thick iron wire of buckling for thick iron wire and second connecting hole 12 fixed connection, the crotch is buckled into to the other end of thick iron wire, and the crotch is used for wearing to establish third connecting hole 15 and fixes the position of second baffle 10. Thereby achieving convenient installation of the second shutter 10.
When the worker needs to overhaul the power cabinet, the hook is separated from the third connecting hole 15, and the second baffle 10 is put down, so that the worker can conveniently overhaul the power cabinet; then, the hook is reconnected to the third connection hole 15, and the second shutter 10 is vertically disposed to shield the external sunlight.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an electric power fire protection device, includes cabinet body (1), its characterized in that: a plurality of ventilation openings (4) are formed in the two sides of the cabinet body (1), and the cabinet body (1) is provided with a fire prevention mechanism (6) and a control mechanism (8); the fireproof mechanism (6) is arranged on the upper side wall of the cabinet body; the fireproof mechanism (6) comprises a guide rail (61), a piercing piece (62) and a dry powder ball (63), the guide rail (61) is arranged on the upper side wall of the box body, the piercing piece (62) is arranged on the guide rail (61), the dry powder ball (63) is arranged on one side of the piercing piece (62), and the dry powder ball (63) is fixedly connected with the upper side wall of the cabinet body (1); the control mechanism (8) comprises a sensor (81), a controller (82) and a driving assembly (83), the sensor (81) is connected with the driving assembly (83) through the controller (82), the sensor (81) comprises a temperature sensor and a light sensor, and the driving assembly (83) is used for controlling the puncturing piece (62) to move towards the dry powder ball (63).
2. An electrical fire protection arrangement according to claim 1, wherein: the cabinet body (1) is also provided with a ventilation control mechanism (5) and a steel wire rope (7); the ventilation control mechanism (5) is arranged on two opposite side walls of the cabinet body (1); the ventilation control mechanism (5) comprises first blocking pieces (51) and sliding rails (53), the two sliding rails (53) are vertically arranged on the side wall, provided with the ventilation opening (4), of the cabinet body (1) in parallel, the first blocking pieces (51) are connected with the sliding rails (53) in a sliding mode, one end of each steel wire rope (7) is connected to the upper portion of each first blocking piece (51), and the other end of each steel wire rope (7) is connected to the adjacent puncturing piece (62); when the puncturing piece (62) moves towards the dry powder ball (63), the distance between the puncturing piece (62) and the ventilation opening (4) corresponding to the matched first baffle sheet (51) is shortened.
3. An electrical fire protection arrangement according to claim 2, wherein: and a space is arranged between the puncturing piece (62) and the dry powder ball (63).
4. An electrical fire protection arrangement according to claim 2, wherein: the last lateral wall of the cabinet body (1) is equipped with third separation blade (17), third separation blade (17) with puncture piece (62) set up relatively in the both sides of dry powder ball (63), third separation blade (17) with the last lateral wall fixed connection of the cabinet body (1), just third separation blade (17) with dry powder ball (63) contact.
5. An electrical fire protection arrangement according to claim 2, wherein: a plurality of first through holes (52) are formed in the first blocking sheet (51), and the first through holes (52) correspond to the ventilation openings (4) in the side wall of the cabinet body (1) one to one.
6. An electrical fire protection arrangement according to claim 2, wherein: the improved cabinet is characterized in that a second blocking piece (10) is arranged in the cabinet body (1), the second blocking piece (10) is connected with the bottom side wall of the cabinet body (1), and the second blocking piece (10) is arranged on the side wall of the cabinet body (1) with an interval between the side walls of the ventilation openings (4).
7. An electrical fire protection arrangement according to claim 6, wherein: the second baffle plate (10) is provided with a plurality of second through holes (11), the second through holes (11) correspond to the ventilation openings (4) one by one, and the second through holes (11) and the ventilation openings (4) are located at the same height position.
8. An electrical fire protection arrangement according to claim 6, wherein: the lower side of the second baffle (10) is hinged with the bottom of the cabinet body (1), and a second connecting hole (12) is formed in one side, far away from the bottom of the cabinet body (1), of the second baffle (10); an annular bump (14) is arranged on the inner side wall of the cabinet body (1), and the bump is provided with a third connecting hole (15); and a connecting piece (13) is further arranged on the second blocking piece (10), and the connecting piece (13) penetrates through the second connecting hole (12) and the third connecting hole (15).
CN202222238143.9U 2022-08-24 2022-08-24 Electric power fire protection device Active CN218040258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222238143.9U CN218040258U (en) 2022-08-24 2022-08-24 Electric power fire protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222238143.9U CN218040258U (en) 2022-08-24 2022-08-24 Electric power fire protection device

Publications (1)

Publication Number Publication Date
CN218040258U true CN218040258U (en) 2022-12-13

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ID=84348671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222238143.9U Active CN218040258U (en) 2022-08-24 2022-08-24 Electric power fire protection device

Country Status (1)

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CN (1) CN218040258U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116581658A (en) * 2023-06-05 2023-08-11 杭州恒梦电气有限公司 Power distribution cabinet with overcurrent and outage protection function and outage protection method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116581658A (en) * 2023-06-05 2023-08-11 杭州恒梦电气有限公司 Power distribution cabinet with overcurrent and outage protection function and outage protection method thereof
CN116581658B (en) * 2023-06-05 2023-10-24 杭州恒梦电气有限公司 Power distribution cabinet with overcurrent and outage protection function and outage protection method thereof

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