CN214957872U - Indoor three-phase five-wire system low voltage distribution box for distribution system - Google Patents
Indoor three-phase five-wire system low voltage distribution box for distribution system Download PDFInfo
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- CN214957872U CN214957872U CN202120917072.8U CN202120917072U CN214957872U CN 214957872 U CN214957872 U CN 214957872U CN 202120917072 U CN202120917072 U CN 202120917072U CN 214957872 U CN214957872 U CN 214957872U
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Abstract
The utility model discloses an indoor three-phase five-wire system low voltage distribution is block terminal for system includes: the main mechanism is a necessary structure formed by an integral device and used for providing a space and a platform which need to be installed for other mechanisms, the push-pull mechanism is used for pushing out the structure in the main mechanism and is convenient to install and maintain, and the lifting mechanism is used for adjusting the height of the structure of the lifting mechanism and is under the action of the push-pull mechanism. The utility model discloses in, drive two lead screws through double-end motor and carry out simultaneously and rotate in step to realize the position control of metal sheet on the vertical direction under the vice effect of nut, make the metal sheet have magnetism through solenoid, realize with the adsorption of mounting panel upper magnetic path, and realize the automation of mounting panel under the effect of telescoping cylinder and advance and go out, make the integrated device have the function of putting out a fire through the treater control fire extinguisher in the mechanism of putting out a fire, be worth wideling popularize.
Description
Technical Field
The utility model relates to a block terminal field especially relates to an indoor three-phase five-wire system low voltage distribution is block terminal for distribution system.
Background
An XL-21 and XM series distribution box is suitable for an indoor three-phase five-wire system low-voltage distribution system, has the rated voltage of 220/380V alternating current, the rated current of 16A-630A or below and the rated frequency of 50Hz, is used for receiving and distributing electric energy, has the functions of preventing electric leakage, preventing surge, overload, short-circuit protection and the like, and can be applied to civil buildings such as large-dwelling houses, villas and office buildings, commercial facilities such as markets and hotels, and public places such as industrial and mining enterprises, stadiums, hospitals and schools.
In the distribution box that exists at present stage, the ubiquitous inconvenient problem of component change on the mounting panel, secondly, when the conflagration breaing out in to the distribution box, can't in time put out a fire to the burning things which may cause stretching of intensity of a fire.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the indoor three-phase five-wire system that provides is block terminal for low voltage distribution system.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a distribution box for an indoor three-phase five-wire system low-voltage distribution system comprises:
the main body mechanism is a necessary structure formed by an integral device and is used for providing a space and a platform which need to be installed for other mechanisms;
the push-pull mechanism is used for pushing out the structure in the main body mechanism, so that the installation and the maintenance are convenient;
the lifting mechanism is used for adjusting the height of the self structure and selectively pushing out the structure in the main body mechanism under the action of the push-pull mechanism;
the fire extinguishing mechanism is used for carrying out timely fire extinguishing treatment when a fire disaster occurs, and preventing the spread of fire; the fire extinguishing mechanism comprises a fire extinguisher, a smoke sensor, an electromagnetic valve and a processor, the electromagnetic valve is arranged on a pipeline at the output end of the front side of the fire extinguisher and is connected with the processor through a signal line, the double-end motor drives the nut pair to perform linear motion on the lead screw, the metal plate is moved under the action of the telescopic cylinder, and the metal plate is made to be magnetic under the action of electrifying the electromagnetic coil, so that a corresponding structure in the main mechanism is pushed and pulled, the installation is convenient, and the fire extinguisher is controlled by the processor to enable the whole device to have a fire extinguishing function.
As a further description of the above technical solution:
the main body mechanism comprises a box body, a T-shaped sliding groove, a T-shaped sliding block, a mounting plate and magnetic blocks, wherein three T-shaped sliding grooves are evenly formed in the left end and the right end of the inner wall of the top of the box body, the T-shaped sliding blocks are connected in the T-shaped sliding grooves in a sliding mode, the T-shaped sliding blocks are fixedly connected to the left end and the right end of the mounting plate respectively, and the magnetic blocks are fixedly connected to the symmetrical positions of the left side and the right side of the rear end of the mounting plate respectively.
As a further description of the above technical solution:
the push-pull mechanism further comprises fixed plates, the fixed plates are fixedly connected to the front end of the telescopic cylinder, and electromagnetic coils are fixedly connected to the center of the front end of each fixed plate.
As a further description of the above technical solution:
the lifting mechanism further comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected to the output ends of the left side and the right side of the double-end motor respectively, the bottom of one end of the outer side of the first bevel gear is connected with the second bevel gear in a meshed mode, and the through holes in the second bevel gear are fixedly connected with screw rods.
As a further description of the above technical solution:
the fire extinguishing mechanism further comprises an infrared light beam transmitter and an infrared light beam receiver, the infrared light beam receiver is fixedly connected to the left end of the top in front of the fire extinguisher, and the infrared light beam transmitter is connected with the infrared light beam receiver through light signals.
As a further description of the above technical solution:
the smoke sensor is respectively and uniformly fixedly connected at the position, close to the left end of the mounting plate, in the middle of the inner wall of the left end of the box body, the fire extinguisher is fixedly connected to the middle of the top end of the box body, the processor is fixedly connected to the right end of the front side of the top of the box body, and the output end of the processor is connected with the double-end motor through a signal line.
As a further description of the above technical solution:
double-end motor fixed connection is in the rear end middle part of bottom half inner wall, the lead screw both ends are rotated respectively and are connected on the inner wall at both ends about the box, the equal fixedly connected with telescoping cylinder of vice front end of nut.
As a further description of the above technical solution:
the infrared beam receiver is connected with the processor through a signal line, and the infrared beam transmitters are uniformly and fixedly connected to the rear end of the top of the mounting plate and the positions corresponding to the infrared beam receiver.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, at first, drive the synchronous rotation of two lead screws through servo double-end motor, and turn into linear motion with the rotary motion on the lead screw under the vice effect of nut, thereby carry out the ascending removal of vertical direction through the nut pair band metal sheet, make the metal sheet have magnetism through the solenoid circular telegram, realize and the magnetic adsorption between the mounting panel that required release, and under the effect of telescoping cylinder, realize carrying out the push-and-pull to the mounting panel of selection, whole insulated wire or female distribution of arranging of being of component installation back, but the component passes through the mounting panel and realizes the part product of being connected with the mounting panel by the business turn over in the box and can change the switch with electricity.
2. The utility model discloses in, monitor corresponding mounting panel surrounding environment through smoke transducer, when on fire, through smoke transducer with signal transmission to treater in, control the telescoping cylinder under the effect of treater and release the mounting panel on fire by the box in, when carrying out signal connection between infrared beam transmitter and the infrared beam receiver on the mounting panel of releasing, through opening of treater activation solenoid valve, make the fire extinguisher spray the mounting panel on fire to the realization is handled putting out a fire to the fire source, be worth wideling popularize.
Drawings
Fig. 1 is a schematic structural diagram of a distribution box for an indoor three-phase five-wire low-voltage distribution system according to the present invention;
fig. 2 is a perspective view of a distribution box for an indoor three-phase five-wire system low-voltage distribution system according to the present invention;
fig. 3 is a perspective view of a double-headed motor in a distribution box for an indoor three-phase five-wire system low-voltage distribution system according to the present invention;
fig. 4 is a perspective view of the mounting plate in the distribution box for the indoor three-phase five-wire system low-voltage distribution system according to the present invention.
Illustration of the drawings:
1. a main body mechanism; 2. a push-pull mechanism; 3. a lifting mechanism; 4. a fire extinguishing mechanism; 5. a box body; 6. a T-shaped chute; 7. a T-shaped slider; 8. mounting a plate; 9. a telescopic cylinder; 10. a fixing plate; 11. an electromagnetic coil; 12. a metal plate; 13. a double-headed motor; 14. a first bevel gear; 15. a second bevel gear; 16. a screw rod; 17. a nut pair; 18. a fire extinguisher; 19. an infrared beam transmitter; 20. an infrared beam receiver; 21. a smoke sensor; 22. an electromagnetic valve; 23. a processor; 24. a magnetic block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides an embodiment: a distribution box for an indoor three-phase five-wire system low-voltage distribution system comprises:
the main body mechanism 1 is a necessary structure formed by an integral device and is used for providing a space and a platform required to be installed for other mechanisms;
the push-pull mechanism 2 is used for pushing out the structure in the main body mechanism 1, so that the installation and the maintenance are convenient;
the lifting mechanism 3 is used for adjusting the height of the structure of the lifting mechanism 3, and selectively pushing out the structure in the main mechanism 1 under the action of the push-pull mechanism 2.
Push-and-pull institution 2 includes telescoping cylinder 9, solenoid 11 and metal sheet 12, the equal fixedly connected with metal sheet 12 in solenoid 11 front end, elevating system 3 includes double-end motor 13, lead screw 16 and nut are vice 17, equal threaded connection has nut on the 16 top external diameters of lead screw is vice 17, drive nut pair 17 through double-end motor 13 and carry out linear motion on lead screw 16, and realize the removal of metal sheet 12 under the effect of telescoping cylinder 9, make metal sheet 12 have magnetism under the effect of 11 circular telegrams of solenoid, thereby push-and-pull the structure that corresponds in the main body mechanism 1, be convenient for install.
The main body mechanism 1 comprises a box body 5, T-shaped sliding grooves 6, T-shaped sliding blocks 7, a mounting plate 8 and magnetic blocks 24, wherein the three T-shaped sliding grooves 6 are evenly arranged at the left end and the right end of the inner wall of the top of the box body 5, the T-shaped sliding blocks 7 are connected in the T-shaped sliding grooves 6 in a sliding mode, the T-shaped sliding blocks 7 are fixedly connected to the left end and the right end of the mounting plate 8 respectively, and the magnetic blocks 24 are fixedly connected to symmetrical positions of the left side and the right side of the rear end of the mounting plate 8.
The push-pull mechanism 2 further comprises fixing plates 10, the fixing plates 10 are fixedly connected to the front end of the telescopic cylinder 9, and electromagnetic coils 11 are fixedly connected to the centers of the front ends of the fixing plates 10.
The lifting mechanism 3 further comprises a first bevel gear 14 and a second bevel gear 15, the first bevel gear 14 is fixedly connected to the output ends of the left side and the right side of the double-end motor 13 respectively, the bottom of one end of the outer side of the first bevel gear 14 is connected with the second bevel gear 15 in a meshed mode, and a screw rod 16 is fixedly connected to the through hole in the second bevel gear 15.
The double-head motor 13 is fixedly connected to the middle part of the rear end of the inner wall at the bottom of the box body 5, two ends of the screw rod 16 are respectively and rotatably connected to the inner walls at the upper end and the lower end of the box body 5, the telescopic cylinder 9 is fixedly connected to the front end of the nut pair 17, the first bevel gears 14 at two sides are driven to rotate by the double-head motor 13, the corresponding second bevel gears 15 are driven to rotate by the first bevel gears 14, the inner screw rod 16 is driven to rotate by the second bevel gears 15, the rotary motion on the screw rod 16 is converted into linear motion under the action of the nut pair 17, so that the metal plate 12 is driven to be adjusted in position in the vertical direction, the metal plate 12 is made to have magnetism by the electrification processing of the electromagnetic coil 11, the adsorption between the metal plate and the magnetic block 24 at the rear end of the corresponding mounting plate 8 is realized under the action of the telescopic cylinder 9, the inlet and outlet of the mounting plate 8 from the box body 5 are realized by the movement of the piston rod of the telescopic cylinder 9 and the sliding of the T-shaped slide blocks 7 at two ends of the mounting plate 8 in the T-shaped sliding chute 6 in the box body 5, all be insulating wire or female distribution of arranging after the component installation equipment, but the component passes through mounting panel 8 and realizes the electrified change switch of partial product of being connected with mounting panel 8 by the business turn over in box 5, the staff's of being convenient for operation when easy to assemble.
Example 2
Referring to fig. 1-4, the present invention provides an embodiment: a distribution box for an indoor three-phase five-wire system low-voltage distribution system comprises:
the main body mechanism 1 is a necessary structure formed by an integral device and is used for providing a space and a platform required to be installed for other mechanisms;
the push-pull mechanism 2 is used for pushing out the structure in the main body mechanism 1, so that the installation and the maintenance are convenient;
the lifting mechanism 3 is used for adjusting the height of the self structure and selectively pushing out the structure in the main body mechanism 1 under the action of the push-pull mechanism 2;
the fire extinguishing mechanism 4 is used for carrying out timely fire extinguishing treatment when a fire disaster occurs, and preventing the fire from spreading; the push-pull mechanism 2 comprises a telescopic cylinder 9, an electromagnetic coil 11 and a metal plate 12, the metal plate 12 is fixedly connected at the front end of the electromagnetic coil 11, the lifting mechanism 3 comprises a double-head motor 13, a screw rod 16 and a nut pair 17, the nut pair 17 is in threaded connection on the outer diameter of the top of the screw rod 16, the fire extinguishing mechanism 4 comprises a fire extinguisher 18, a smoke sensor 21, an electromagnetic valve 22 and a processor 23, the electromagnetic valve 22 is arranged on a pipeline at the output end of the front side of the fire extinguisher 18, the electromagnetic valve 22 is connected with the processor 23 through a signal line, the double-head motor 13 drives the nut pair 17 to do linear motion on the screw rod 16, and the metal plate 12 moves under the action of the telescopic cylinder 9, the metal plate 12 is made to have magnetism under the effect of the electrification of the electromagnetic coil 11, so that the corresponding structure in the main body mechanism 1 is pushed and pulled, the installation is convenient, and the processor 23 controls the fire extinguisher 18 to enable the whole device to have a fire extinguishing function.
The main body mechanism 1 comprises a box body 5, T-shaped sliding grooves 6, T-shaped sliding blocks 7, a mounting plate 8 and magnetic blocks 24, wherein the three T-shaped sliding grooves 6 are evenly arranged at the left end and the right end of the inner wall of the top of the box body 5, the T-shaped sliding blocks 7 are connected in the T-shaped sliding grooves 6 in a sliding mode, the T-shaped sliding blocks 7 are fixedly connected to the left end and the right end of the mounting plate 8 respectively, and the magnetic blocks 24 are fixedly connected to symmetrical positions of the left side and the right side of the rear end of the mounting plate 8.
The push-pull mechanism 2 further comprises fixing plates 10, the fixing plates 10 are fixedly connected to the front end of the telescopic cylinder 9, and electromagnetic coils 11 are fixedly connected to the centers of the front ends of the fixing plates 10.
The lifting mechanism 3 further comprises a first bevel gear 14 and a second bevel gear 15, the first bevel gear 14 is fixedly connected to the output ends of the left side and the right side of the double-end motor 13 respectively, the bottom of one end of the outer side of the first bevel gear 14 is connected with the second bevel gear 15 in a meshed mode, and a screw rod 16 is fixedly connected to the through hole in the second bevel gear 15.
The fire extinguishing mechanism 4 further comprises an infrared beam transmitter 19 and an infrared beam receiver 20, the infrared beam receiver 20 is fixedly connected to the left end of the top in front of the fire extinguisher 18, and the infrared beam transmitter 19 is connected with the infrared beam receiver 20 through optical signals.
Smoke transducer 21 is evenly fixed connection respectively and is close to the position department of mounting panel 8 left end in the middle part of box 5 left end inner wall, and fire extinguisher 18 fixed connection is in the middle part of box 5 top, and treater 23 fixed connection is at the right-hand member of box 5 top front side, and treater 23 output end passes through the signal line and links to each other with double-end motor 13.
The double-end motor 13 is fixedly connected to the middle of the rear end of the inner wall of the bottom of the box body 5, two ends of the screw rod 16 are respectively and rotatably connected to the inner walls of the upper end and the lower end of the box body 5, and the front end of the nut pair 17 is fixedly connected with the telescopic cylinder 9.
The infrared beam receiver 20 is connected with the processor 23 through a signal line, the infrared beam transmitters 19 are uniformly and fixedly connected at the rear end of the top of the mounting plate 8 at positions corresponding to the infrared beam receiver 20, when a fire disaster occurs on the mounting plate 8 due to short circuit or other problems, the adjacent smoke sensors 21 monitor smoke and transmit signals to the processor 23, the processor 23 controls the starting of the double-end motor 13 to realize the adsorption of the metal plate 12 and the magnetic block 24 on the mounting plate 8 which fires, the mounting plate 8 which fires is pushed out from the box body 5 under the action of the telescopic cylinder 9, when the infrared beam transmitters 19 on the mounting plate 8 which fires transmit optical signals between the infrared beam receiver 20 and the infrared beam receiver 20, the signals are transmitted to the processor 23 through the infrared beam receiver 20, the processor 23 activates the opening of the electromagnetic valve 22 to realize the spraying of the fire extinguisher 18, thereby realizing the fire extinguishing treatment of the mounting plate 8 on fire.
The working principle is as follows: when the device is used, the double-head motor 13 drives the first bevel gears 14 on two sides to rotate, the first bevel gears 14 drive the corresponding second bevel gears 15 to rotate, the second bevel gears 15 drive the internal screw rods 16 to rotate, the rotary motion on the screw rods 16 is converted into linear motion under the action of the nut pairs 17, so that the metal plate 12 is driven to perform position adjustment in the vertical direction, the metal plate 12 is made to have magnetism through electrifying processing of the electromagnetic coil 11, the attraction between the metal plate and the magnetic blocks 24 at the rear end of the corresponding mounting plate 8 is realized under the action of the telescopic cylinder 9, the passing of the mounting plate 8 from the box body 5 is realized through the motion of the piston rod of the telescopic cylinder 9 and the sliding of the T-shaped sliding blocks 7 at two ends of the mounting plate 8 in the T-shaped sliding grooves 6 in the box body 5, all the mounted and assembled components are insulated conducting wires or bus bar wiring, the charged replacement switch of the components is realized through the mounting plate 8 through the passing in and out of the box body 5, and part of products connected with the mounting plate 8 can be charged replacement switch, when a fire disaster occurs on the mounting plate 8 due to short circuit or other problems, the adjacent smoke sensors 21 monitor smoke and transmit signals to the processor 23, the processor 23 controls the starting of the double-head motor 13 to realize the adsorption of the magnetic blocks 24 on the metal plate 12 and the mounting plate 8 on the fire, the mounting plate 8 on the fire is pushed out from the box body 5 under the action of the telescopic cylinder 9, when optical signal transmission is performed between the infrared beam transmitter 19 and the infrared beam receiver 20 on the mounting plate 8 on the fire, the signals are transmitted to the processor 23 through the infrared beam receiver 20, the processor 23 activates the electromagnetic valve 22 to be opened, the spraying of the fire extinguisher 18 is realized, and the fire extinguishing treatment of the mounting plate 8 on the fire is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides an indoor three-phase five-wire system block terminal for low voltage distribution system which characterized in that: the method comprises the following steps:
the main body mechanism (1) is a necessary structure formed by an integral device and is used for providing a space and a platform required to be installed for other mechanisms;
the push-pull mechanism (2) is used for pushing out the structure in the main body mechanism (1), so that the installation and maintenance are facilitated;
the lifting mechanism (3) is used for adjusting the height of the structure of the lifting mechanism (3) and selectively pushing out the structure in the main mechanism (1) under the action of the push-pull mechanism (2);
the fire extinguishing mechanism (4) is used for carrying out timely fire extinguishing treatment when a fire disaster occurs, and preventing the fire from spreading; the push-pull mechanism (2) comprises a telescopic cylinder (9), an electromagnetic coil (11) and a metal plate (12), the metal plate (12) is fixedly connected to the front end of the electromagnetic coil (11), the lifting mechanism (3) comprises a double-end motor (13), a screw rod (16) and a nut pair (17), the nut pair (17) is in threaded connection with the outer diameter of the top of the screw rod (16), the fire extinguishing mechanism (4) comprises a fire extinguisher (18), a smoke sensor (21), an electromagnetic valve (22) and a processor (23), the electromagnetic valve (22) is arranged on a pipeline at the output end of the front side of the fire extinguisher (18), the electromagnetic valve (22) is connected with the processor (23) through a signal line, the nut pair (17) is driven by the double-end motor (13) to perform linear motion on the screw rod (16), and the metal plate (12) is moved under the action of the telescopic cylinder (9), the metal plate (12) is made to have magnetism under the effect of the electrification of the electromagnetic coil (11), so that the corresponding structure in the main body mechanism (1) is pushed and pulled, the installation is convenient, and the processor (23) controls the fire extinguisher (18) to enable the whole device to have the fire extinguishing function.
2. The electrical distribution box of claim 1, wherein: main part mechanism (1) includes box (5), T shape spout (6), T shape slider (7), mounting panel (8) and magnetic path (24), both ends evenly are provided with three T shape spout (6) about box (5) top inner wall, equal sliding connection has T shape slider (7) in T shape spout (6), both ends about mounting panel (8) are fixed connection respectively to T shape slider (7), equal fixedly connected with magnetic path (24) of the symmetrical position department in mounting panel (8) rear end left and right sides.
3. The electrical distribution box of claim 1, wherein: the push-pull mechanism (2) further comprises a fixing plate (10), the fixing plates (10) are fixedly connected to the front end of the telescopic cylinder (9), and the electromagnetic coils (11) are fixedly connected to the center of the front end of the fixing plate (10).
4. The electrical distribution box of claim 1, wherein: the lifting mechanism (3) further comprises a first bevel gear (14) and a second bevel gear (15), the first bevel gear (14) is fixedly connected to the output ends of the left side and the right side of the double-end motor (13) respectively, the bottom of one end of the outer side of the first bevel gear (14) is connected with the second bevel gear (15) in a meshed mode, and a screw rod (16) is fixedly connected to the inner through hole of the second bevel gear (15).
5. The electrical distribution box of claim 1, wherein: the fire extinguishing mechanism (4) further comprises an infrared light beam transmitter (19) and an infrared light beam receiver (20), the infrared light beam receiver (20) is fixedly connected to the left end of the top in front of the fire extinguisher (18), and the infrared light beam transmitter (19) is connected with the infrared light beam receiver (20) through light signals.
6. The electrical distribution box of claim 1, wherein: smoke transducer (21) is even fixed connection respectively and is close to the position department of mounting panel (8) left end at the middle part of box (5) left end inner wall, fire extinguisher (18) fixed connection is at box (5) top middle part, treater (23) fixed connection is at the right-hand member of box (5) top front side, treater (23) output passing signal line links to each other with double-end motor (13).
7. The electrical distribution box of claim 1, wherein: double-end motor (13) fixed connection is in the rear end middle part of box (5) bottom inner wall, lead screw (16) both ends are rotated respectively and are connected on the inner wall at both ends about box (5), the equal fixedly connected with telescoping cylinder (9) in nut pair (17) front end.
8. The electrical distribution box of claim 5, wherein said electrical distribution box comprises: the infrared beam receiver (20) is connected with the processor (23) through a signal line, and the infrared beam transmitters (19) are uniformly and fixedly connected to the rear end of the top of the mounting plate (8) at positions corresponding to the infrared beam receiver (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917072.8U CN214957872U (en) | 2021-04-29 | 2021-04-29 | Indoor three-phase five-wire system low voltage distribution box for distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917072.8U CN214957872U (en) | 2021-04-29 | 2021-04-29 | Indoor three-phase five-wire system low voltage distribution box for distribution system |
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| CN214957872U true CN214957872U (en) | 2021-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080889A (en) * | 2023-10-13 | 2023-11-17 | 长春职业技术学院 | Fireproof type safety power distribution cabinet |
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2021
- 2021-04-29 CN CN202120917072.8U patent/CN214957872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080889A (en) * | 2023-10-13 | 2023-11-17 | 长春职业技术学院 | Fireproof type safety power distribution cabinet |
| CN117080889B (en) * | 2023-10-13 | 2023-12-19 | 长春职业技术学院 | Fireproof type safety power distribution cabinet |
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