CN217903787U - Power distribution cabinet protection device - Google Patents
Power distribution cabinet protection device Download PDFInfo
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- CN217903787U CN217903787U CN202220948071.4U CN202220948071U CN217903787U CN 217903787 U CN217903787 U CN 217903787U CN 202220948071 U CN202220948071 U CN 202220948071U CN 217903787 U CN217903787 U CN 217903787U
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- distribution cabinet
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Abstract
The utility model relates to a switch board protection technical field, concretely relates to switch board protection device. The power distribution cabinet protection device comprises a cabinet body, wherein a cabinet door is arranged on the front side of the cabinet body, a support structure for supporting the cabinet body on the ground is arranged at the bottom of the cabinet body, a support assembly is arranged in the cabinet body, the support assembly comprises a support seat for supporting the power distribution cabinet and an electric drive device for driving the support seat to lift in the vertical direction, a guide structure for guiding the support seat when the support seat lifts is arranged between the cabinet body and the support seat, and the support structures are respectively arranged on the left side and the right side of the support seat; the supporting seat is provided with a power distribution cabinet installation position and a power distribution cabinet working position in the lifting process, the supporting seat is in contact with the ground when the power distribution cabinet is installed so that the power distribution cabinet can enter the cabinet body, and the supporting seat is suspended on the ground when the power distribution cabinet is working. Because electric drive arrangement drive supporting seat goes up and down in the cabinet is internal, not only avoid the switch board protection device to occupy more space, also be convenient for opening and closing of cabinet door moreover.
Description
Technical Field
The utility model relates to a switch board protection technical field, concretely relates to switch board protection device.
Background
The low-voltage direct-current power distribution cabinet is mainly used for distributing, monitoring, protecting, controlling and the like direct-current electric energy. In the prior art, in order to ensure normal and safe operation of the power distribution cabinet, the power distribution cabinet is integrally placed into a protection cabinet. But the switch board is heavier, and the supporting seat of protection cabinet has certain height, leans on the manual work to fill in when lifting up the switch board in the protection cabinet, not only operates inconveniently, has increased intensity of labour moreover.
Chinese patent document with publication number CN213782619U discloses a protector for switch board, including the box that has the side door, the bottom of box is provided with the supporting leg, the bilateral symmetry that corresponds the side door on the box is provided with the screw rod, equal threaded connection has the movable block on two screw rods, two movable blocks are fixed with same backup pad through the connecting rod, the top transmission of two screw rods is connected with same pivot, the one end of pivot is fixed with changes the board, the surface of changeing the board is provided with the rubber sleeve, so that the staff rotates and changes the board. The staff rotates commentaries on classics board drive pivot, screw rod and rotates through rotating, and then the drive backup pad goes up and down. Design like this, not only convenient operation need not the manual work moreover and lifts up the switch board by a wide margin, is favorable to reducing staff's intensity of labour.
Because the backup pad setting is outside at the box in above-mentioned technique, not only lead to protector to occupy more space, the staff of not being convenient for moreover opens and shuts the side door.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switch board protection device to solve among the prior art protection device for the switch board backup pad setting outside the box and lead to the great technical problem of its occupation space.
In order to achieve the above object, the utility model discloses switch board protection device's technical scheme is:
the power distribution cabinet protection device comprises a cabinet body, wherein a cabinet door is arranged on the front side of the cabinet body, a supporting structure for supporting the cabinet body on the ground is arranged at the bottom of the cabinet body, a supporting assembly is arranged in the cabinet body, the supporting assembly comprises a supporting seat for supporting the power distribution cabinet and an electric driving device for driving the supporting seat to lift up and down, a guide structure for guiding the supporting seat when the supporting seat lifts is arranged between the cabinet body and the supporting seat, and the supporting structures are respectively arranged on the left side and the right side of the supporting seat; the supporting seat has switch board installation position and switch board work position at the lift in-process, and the supporting seat contacts with ground in order to supply the switch board to get into the cabinet internal when switch board installation position, and the supporting seat suspension is subaerial when switch board work position.
The beneficial effects are that: when the power distribution cabinet needs to be installed, the power distribution cabinet protection device drives the supporting seat to descend through the electric driving device so that the supporting seat is in contact with the ground, and therefore the power distribution cabinet can enter the cabinet body; after the switch board got into the cabinet body, risen so that supporting seat and ground kept away from through electric drive arrangement drive supporting seat, the supporting seat suspension is subaerial promptly, and the switch board is in operating position. Moreover, the electric drive device drives the supporting seat to lift in the cabinet body, so that the power distribution cabinet protection device is prevented from occupying more space, and the cabinet door is convenient to open and close. In addition, the stability of supporting seat at the internal lift of cabinet can be guaranteed to the guide structure between the cabinet body and the supporting seat.
As a further improvement, the front side of the supporting seat is provided with a guide inclined surface.
The beneficial effects are that: design like this, when the switch board of being convenient for removed on the supporting seat, can increase the thickness of supporting seat, guarantee the support intensity of supporting seat.
As a further improvement, the supporting seat is provided with a U-shaped positioning frame, and the opening of the positioning frame faces forwards and is arranged corresponding to the guide inclined plane.
The beneficial effects are that: the power distribution cabinet is positioned through the positioning frame, so that the power distribution cabinet is located at a proper position in the cabinet body.
As a further improvement, the guide structure comprises a guide plate and a guide groove, the guide plate is arranged on the supporting seat, and the guide groove is arranged on the cabinet body.
As a further improvement, the supporting structure is a self-locking universal wheel.
The beneficial effects are that: the design is convenient for the movement of the power distribution cabinet protection device.
As a further improvement, the electric driving device is an electric telescopic column.
As a further improvement, sliding chutes extending along the front-back direction are respectively arranged on the left side wall and the right side wall of the cabinet body, two groups of clamping assemblies are arranged on the cabinet body, each clamping assembly comprises a positive screw, a negative screw, a sliding block, a connecting rod and a clamping plate, the positive screw and the negative screw extend along the front-back direction and are rotatably assembled on the cabinet body, and the positive screw and the negative screw are provided with a positive thread section and a negative thread section; the slider sliding assembly is in the spout, and the slider is provided with two and threaded connection respectively on positive thread section and negative thread section, and the connecting rod is provided with two, and wherein one end of two connecting rods articulates respectively on two sliders, and the other end of two connecting rods all articulates on the grip block.
The beneficial effects are that: when the forward and backward screw rods are rotated, the two sliding blocks can move relatively, so that the connecting rod drives the clamping plate to be in contact with and fixed to the power distribution cabinet, and the stability of the power distribution cabinet in the cabinet body is ensured. Moreover, the two groups of clamping assemblies can clamp and fix power distribution cabinets with different sizes, and the universality of the power distribution cabinet protection device is improved.
As a further improvement, one side of the clamping plate, which is used for facing the power distribution cabinet, is provided with a rubber pad.
The beneficial effects are that: realize the flexible centre gripping to the switch board through the rubber pad, under the circumstances of guaranteeing switch board stability, avoid the switch board to be crushed.
As further improvement, the cabinet body is connected with a dust cover used for covering the positive and negative screw rods in a clamping manner, and the front end or the rear end of the dust cover is provided with an avoiding groove used for avoiding the positive and negative screw rods.
The beneficial effects are that: design like this, avoid the dust to enter into the cabinet body through the spout.
As a further improvement, the cabinet body is provided with a heat dissipation assembly, the heat dissipation assembly comprises a dust screen and a heat dissipation fan, the dust screen and the heat dissipation fan are fixed on the side wall of the cabinet body, the heat dissipation fan is located on the inner side of the dust screen, the heat dissipation fan comprises a rotating shaft and an electric motor driving the rotating shaft to rotate, the rotating shaft is provided with fan blades and scraping plates, the scraping plates and the fan blades are arranged in a staggered mode in the circumferential direction of the rotating shaft, and the scraping plates are used for scraping dust on the dust screen.
The beneficial effects are that: when the fan blades rotate, heat generated by the power distribution cabinet can be quickly led out of the power distribution cabinet protection device, and the heat dissipation performance is improved; the scraper blade can scrape off the dust on the dust screen when rotating, avoids the dust to accumulate on the dust screen and influences the normal use of device.
Drawings
Fig. 1 is a schematic structural view of the protection device of the power distribution cabinet of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural view of the support assembly of FIG. 2;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is a schematic view of the clamping assembly of FIG. 2;
fig. 6 is a schematic structural diagram of the heat dissipation assembly in fig. 2.
In the figure: 10. a cabinet door; 11. a handle; 12. an observation window; 13. a self-locking universal wheel; 14. a cabinet body; 15. an avoidance groove; 16. a chute; 17. a fixed seat; 18. a through hole; 19. fixing a sleeve; 20. a power distribution cabinet; 21. a positioning frame; 22. a guide plate; 23. a supporting base; 24. connecting sleeves; 25. an electric telescopic column; 26. a clamping block; 27. a positive and negative screw; 28. a dust cover; 29. a clamping plate; 30. a rubber pad; 31. a slider; 32. a connecting rod; 33. a squeegee; 34. a fixed mount; 35. a fan blade; 36. a rotating shaft; 37. a dust screen; 38. an electric motor; 39. a fixing plate; 40. a guide groove; 41. a first screw; 42. a second screw; 43. a guide ramp; 101. a support assembly; 102. a clamping assembly; 103. a heat dissipation assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component 8230; \8230;" etc. does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element. Furthermore, the terms "front", "rear", "upper", "lower", "left" and "right" are based on the orientation and positional relationship shown in the drawings and are only for convenience of description of the present invention, but do not indicate that the device or component referred to must have a specific orientation, and therefore, should not be construed as limiting the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses switch board protection device's embodiment 1:
as shown in fig. 1 and 2, the protection device of the power distribution cabinet comprises a cabinet body 14 and a cabinet door 10, wherein a fixing sleeve 19 is arranged on the left side of the front portion of the cabinet body 14, a hinge shaft is arranged at the left end of the cabinet door 10, and the cabinet door 10 is hinged on the cabinet body 14 through the hinge shaft and the fixing sleeve 19 in a matching manner. The right side of the cabinet door 10 is provided with a handle 11 so as to open or close the cabinet door 10; the cabinet door 10 is provided with an observation window 12 so as to observe the internal condition of the cabinet body 14.
In this embodiment, the bottom of the cabinet 14 is provided with a self-locking universal wheel 13 for supporting on the ground, so as to facilitate the movement of the protection device of the power distribution cabinet. Wherein the self-locking universal wheels 13 constitute a support structure. In an embodiment thereof, the support structure may be a support column.
As shown in fig. 2 and 3, a supporting assembly 101, a clamping assembly 102 and a heat dissipating assembly 103 are disposed in the cabinet 14. The supporting assembly 101 comprises a supporting seat 23 for supporting the power distribution cabinet 20 and electric telescopic columns 25 for driving the supporting seat 23 to ascend and descend in the up-down direction, the electric telescopic columns 25 are arranged in two, and the two electric telescopic columns 25 are respectively located above the left end and the right end of the supporting seat 23. Wherein, electronic flexible post 25 is current ripe product, and electronic flexible post 25 constitutes electric drive arrangement. In other embodiments, the electric drive may be an electric push rod.
As shown in fig. 3 and 4, a fixing plate 39 is disposed on the cabinet 14, a connecting sleeve 24 is disposed on the supporting base 23, an upper end of the electric telescopic column 25 is fixed on the fixing plate 39 through a first screw 41, and a lower end of the electric telescopic column 25 is fixedly connected with the connecting sleeve 24 through a second screw 42. By the design, the electric telescopic column 25 and the supporting seat 23 are convenient to disassemble and assemble.
In this embodiment, a guiding structure for guiding the supporting seat 23 when the supporting seat 23 is lifted is provided between the cabinet 14 and the supporting seat 23. The guide structure includes deflector 22 and guide way 40, and deflector 22 is provided with two, and two deflectors 22 set up respectively at the left end and the right-hand member of supporting seat 23, and guide way 40 is provided with two, and two guide ways 40 set up respectively on the left side wall and the right side wall of the cabinet body 14. Wherein, the lower side of the guide groove 40 is an open structure.
As shown in FIG. 3, the front side of the supporting seat 23 is provided with a guiding inclined plane 43, so that the thickness of the supporting seat 23 can be increased when the power distribution cabinet 20 is moved to the supporting seat 23, and the supporting strength of the supporting seat 23 is ensured. The supporting seat 23 is provided with a U-shaped positioning frame 21 so that the power distribution cabinet 20 is located at a proper position in the cabinet 14. Wherein, the opening of the positioning frame 21 faces forward and is arranged corresponding to the guiding inclined plane 43.
As shown in fig. 1, four self-locking universal wheels 13 are provided, and two self-locking universal wheels 13 are respectively provided on the left and right sides of the supporting base 23.
In this embodiment, two sets of clamping assemblies 102 are provided, and the two sets of clamping assemblies 102 are respectively provided on the left side wall and the right side wall of the cabinet 14. As shown in fig. 1 and 5, sliding grooves 16 extending in the front-rear direction are respectively formed in the left side wall and the right side wall of the cabinet 14, a fixing seat 17 is disposed in the middle of the sliding grooves 16, and a through hole is formed in the fixing seat 17.
In this embodiment, the clamping assembly 102 includes a forward and backward screw 27, a slider 31, a connecting rod 32 and a clamping plate 29, the forward and backward screw 27 extends along the forward and backward direction and is rotatably assembled on the fixed seat 17, and the forward and backward screw 27 has a forward threaded section and a backward threaded section; the slider 31 is provided with two and threaded connection respectively on positive thread section and negative thread section, and two sliders 31 all slide assembly are in spout 16, and two sliders 31 are in the place ahead and the rear of fixing base 17 respectively. Two connecting rods 32 are arranged, one end of each of the two connecting rods 32 is hinged on the two sliding blocks 31, and the other end of each of the two connecting rods 32 is hinged on the clamping plate 29. When the positive and negative screw rods 27 are rotated, the two sliding blocks 31 can move relatively, so that the connecting rods 32 drive the clamping plates 29 to be in contact with and fixed to the power distribution cabinet 20, and the power distribution cabinet 20 is suitable for fixing power distribution cabinets 20 with different sizes.
In this embodiment, clamping plate 29 is used for being equipped with rubber pad 30 towards one side of switch board 20 to the realization is to the flexible centre gripping of switch board 20, under the circumstances of guaranteeing switch board 20 stability, avoids switch board 20 to be crushed.
As shown in fig. 5, the cabinet 14 is provided with a dust cover 28 for covering the forward and backward screws 27 to prevent dust from entering the cabinet 14 through the chute 16. The dust cover 28 is provided with a block 26 on the upper side and the lower side, respectively, and the dust cover 28 is clamped on the cabinet 14 through the block 26, so as to be convenient for dismounting the dust cover 28. The front end of the dust cover 28 is provided with an escape groove 15 for escaping the forward and reverse screws 27.
As shown in fig. 1 and 6, through holes 18 are formed in both the left side wall and the right side wall of the cabinet 14, two sets of heat dissipation assemblies 103 are provided, the two sets of heat dissipation assemblies 103 are respectively installed at the two through holes 18 of the cabinet 14, and the heat dissipation assemblies 103 are located above the clamping assembly 102. The heat dissipation assembly 103 comprises a dust screen 37 and a heat dissipation fan fixed on the corresponding side wall of the cabinet 14, and the dust screen 37 is fixed at the through hole by bolts so as to be convenient to detach and clean.
In this embodiment, the heat dissipation fan is located inside the dust screen 37. The heat dissipation fan comprises a rotating shaft 36 and an electric motor 38 for driving the rotating shaft 36 to rotate, fan blades 35 and a scraper 33 are arranged on the rotating shaft 36, and the fan blades 35 can rapidly guide heat generated by the power distribution cabinet 20 out of the power distribution cabinet protection device when rotating, so that the heat dissipation performance is improved; the scraper 33 can scrape off dust on the dust-proof screen 37 when rotating, so as to avoid dust accumulation on the dust-proof screen 37 and influence on normal use of the device. The electric motor 38 is mounted on the fixed frame 34, and the fixed frame 34 is fixed on the side wall of the cabinet 14. A small gap is formed between the scraper 33 and the dust screen 37, so that friction between the scraper 33 and the dust screen 37 during rotation is avoided.
In this embodiment, three scrapers 33 and three fan blades 35 are provided, and the scrapers 33 and the fan blades 35 are arranged in a staggered manner in the circumferential direction of the rotating shaft 36. The cross section of the scraper 33 is triangular, and one corner of the scraper 33 faces the dust screen 37 to scrape off dust on the dust screen 37 through the corner.
When the cabinet is used, the cabinet door 10 is opened, the two electric telescopic columns 25 are controlled to enable the supporting seat 23 to descend and to be in contact with the ground, and the power distribution cabinet protection device is located at a power distribution cabinet installation position; then the switch board 20 is moved into the positioning frame 21 on the supporting seat 23 through the guiding inclined plane 43 of the supporting seat 23. Then, the two electric telescopic columns 25 are controlled to enable the supporting seat 23 to drive the power distribution cabinet 20 to move upwards to be separated from the ground, so that the supporting seat 23 is suspended on the ground, and the power distribution cabinet protection device is located at the working position of the power distribution cabinet; then, the forward and backward screw rods 27 are rotated to enable the two sliding blocks 31 to move relatively, so that the clamping plate 29 is in contact with the power distribution cabinet 20 through the connecting rod 32, the power distribution cabinet 20 is fixed, and the power distribution cabinet 20 is prevented from vibrating. Finally, the cabinet door 10 is closed.
The utility model discloses switch board protection device's embodiment 2:
the present embodiment is different from embodiment 1 in that in embodiment 1, a guide slope is provided on the front side of the support seat. In this embodiment, the thickness of supporting seat is thinner relatively to on the switch board entered into the supporting seat, nevertheless will satisfy the support intensity requirement of supporting seat.
The utility model discloses switch board protection device's embodiment 3:
the difference between this embodiment and embodiment 1 is that in embodiment 1, a U-shaped positioning frame is provided on the support seat, and the opening of the positioning frame faces forward and is arranged corresponding to the guiding inclined surface. In this embodiment, the rear portion, the left portion and the right portion of supporting seat all are equipped with the locating piece, and the locating piece of preceding, left and right three places sets up independently.
The utility model discloses switch board protection device's embodiment 4:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the guide structure includes a guide plate and a guide groove, the guide plate is disposed on the support base, and the guide groove is disposed on the cabinet body. In this embodiment, guide structure includes guide post and guiding hole, and the guide post setting is on the supporting seat, and the guiding hole setting is on the protruding guide holder of establishing of cabinet body lateral wall.
The utility model discloses switch board protection device's embodiment 5:
the present embodiment is different from embodiment 1 in that in embodiment 1, one side of the clamping plate for facing the power distribution cabinet is provided with a rubber pad. In this embodiment, the rubber pad is not set up on the grip block, but sets up the rubber pad in the position that corresponds the grip block on the switch board.
The utility model discloses switch board protection device's embodiment 6:
the difference between this embodiment and embodiment 1 lies in that, in embodiment 1, the joint has the dust cover that is used for covering positive and negative screw rod on the cabinet body, and the front end of dust cover is equipped with the groove of dodging that is used for dodging positive and negative screw rod. In this embodiment, the welding has the dust cover on the cabinet body, and the front end of dust cover is equipped with the hole of dodging that is used for dodging positive and negative screw rod.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The power distribution cabinet protection device comprises a cabinet body, wherein a cabinet door is arranged on the front side of the cabinet body, and a supporting structure for supporting the cabinet body on the ground is arranged at the bottom of the cabinet body; the supporting seat has switch board installation position and switch board work position at the lift in-process, and the supporting seat contacts with ground in order to supply the switch board to get into the cabinet internal when switch board installation position, and the supporting seat suspension is subaerial when switch board work position.
2. The protection device for the power distribution cabinet according to claim 1, wherein a guide slope is arranged on the front side of the supporting seat.
3. The protection device for the power distribution cabinet according to claim 2, wherein a U-shaped positioning frame is arranged on the supporting seat, and an opening of the positioning frame faces forward and is arranged corresponding to the guiding inclined plane.
4. The protection device for the power distribution cabinet according to claim 1, 2 or 3, wherein the guiding structure comprises a guiding plate and a guiding groove, the guiding plate is arranged on the supporting seat, and the guiding groove is arranged on the cabinet body.
5. A protection device for a power distribution cabinet according to claim 1, 2 or 3, characterized in that said supporting structure is a self-locking universal wheel.
6. A switch board protection device according to claim 1, 2 or 3, characterized in that the electric drive is an electric telescopic column.
7. The power distribution cabinet protection device according to claim 1, 2 or 3, wherein sliding grooves extending in the front-back direction are respectively formed in the left side wall and the right side wall of the cabinet body, two groups of clamping assemblies are arranged on the cabinet body, each clamping assembly comprises a positive screw, a negative screw, a sliding block, a connecting rod and a clamping plate, the positive screw and the negative screw extend in the front-back direction and are rotatably assembled on the cabinet body, and the positive screw and the negative screw are provided with a positive thread section and a negative thread section; the slider sliding assembly is in the spout, and the slider is provided with two and threaded connection respectively on positive thread section and negative thread section, and the connecting rod is provided with two, and wherein one end of two connecting rods articulates respectively on two sliders, and the other end of two connecting rods all articulates on the grip block.
8. A protection device for a distribution cabinet according to claim 7, wherein the clamping plate is provided with a rubber pad on the side facing the distribution cabinet.
9. The power distribution cabinet protection device according to claim 7, wherein the cabinet body is clamped with a dust cover for covering the positive and negative screws, and the front end or the rear end of the dust cover is provided with an avoiding groove for avoiding the positive and negative screws.
10. The power distribution cabinet protection device according to claim 1, 2 or 3, wherein the cabinet body is provided with a heat dissipation assembly, the heat dissipation assembly comprises a dust screen and a heat dissipation fan, the dust screen and the heat dissipation fan are fixed on a side wall of the cabinet body, the heat dissipation fan is located on an inner side of the dust screen, the heat dissipation fan comprises a rotating shaft and an electric motor, the electric motor drives the rotating shaft to rotate, the rotating shaft is provided with fan blades and scraping plates, the scraping plates and the fan blades are arranged in a staggered manner in the circumferential direction of the rotating shaft, and the scraping plates are used for scraping dust on the dust screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948071.4U CN217903787U (en) | 2022-04-22 | 2022-04-22 | Power distribution cabinet protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948071.4U CN217903787U (en) | 2022-04-22 | 2022-04-22 | Power distribution cabinet protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217903787U true CN217903787U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220948071.4U Active CN217903787U (en) | 2022-04-22 | 2022-04-22 | Power distribution cabinet protection device |
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| Country | Link |
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| CN (1) | CN217903787U (en) |
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2022
- 2022-04-22 CN CN202220948071.4U patent/CN217903787U/en active Active
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