Photovoltaic box transformer substation protection measurement and control device
By introducing sealing components and buffer structures into the photovoltaic transformer protection and control device, the problem of reduced sealing performance caused by aging of the sealing strip was solved, achieving better sealing effect and component protection.
Patent Information
- Application Number
- CN202423106430.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-17
AI Technical Summary
When the sealing strip ages, the sealing performance between the door and the enclosure decreases, allowing external moisture to enter the enclosure and affecting the operation of the device.
A photovoltaic transformer protection and control device including a sealing component was designed. It utilizes a structure such as a compressed airbag and a reset spring. The airbag expands and fits against the door to improve the sealing performance, and the impact force of the door closing is buffered by a buffer spring and a damper.
It improves the sealing between the door and the enclosure, preventing moisture from entering, protecting the internal electrical components, and cushioning the impact when the door is closed, thus avoiding damage to the photovoltaic protection and control components.
Smart Images

Figure CN223729280U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to photovoltaic box transformer field, concretely to photovoltaic box transformer protection control device. BACKGROUND
[0002] Box transformer is also called box type transformer substation, also called prepackaged transformer substation or prepackaged transformer station. It is a kind of high voltage switchgear, distribution transformer and low voltage distribution device, arranged into an integrated factory prefabricated indoor, outdoor compact distribution device according to a certain wiring scheme, that is, the functions of transformer voltage reduction, low voltage distribution and the like are organically combined together, wherein the photovoltaic box transformer protection control device is fixedly installed on the cabinet door to protect the power distribution cabinet.
[0003] According to the announcement No. CN221408150U of Chinese patent, a kind of photovoltaic box transformer protection control device is disclosed, the utility model is set by buffer structure, the surface of the contact plate of buffer structure and photovoltaic protection control component is rotatably inclined, when the door of box is rotated and opened, the contact plate on adjacent door will be contacted and buffered, the contact plate of inclined setting can let surface cooperate door of box rotation and be fully contacted, to carry out buffering.
[0004] For the above-mentioned patent content, sealing strip is generally provided on the door to seal the gap between the door and the door opening, but the sealing strip will age after long-term use, which will reduce its elastic performance, and thus it is difficult to fill the gap between the door and the door opening, thereby affecting the sealing between the door and the door opening, so that external moisture may enter the box through the gap between the door and the door opening, thereby causing the internal electrical components of the box to be damp and affecting the operation of the device. Utility model content
[0005] Therefore, the utility model aims at providing a kind of photovoltaic box transformer protection control device to solve the technical problem that the sealing performance between door and box will reduce after sealing strip ages.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of photovoltaic box transformer protection control device, including multiple box, the outer surface of the box is installed with door by hinge, the outer surface of the door is installed with photovoltaic protection control component, the outer surface of the box is also provided with the mouth of the door adaptation, and sealing assembly is provided in the inside of mouth, the sealing assembly includes the sealing groove and the blocking frame of the inner wall of mouth, the inside of the blocking frame is provided with cavity, and the inside of cavity is installed with compression air bag pad, one side of the compression air bag pad is connected with second pressing plate, and one side of second pressing plate is installed with push plate, the inside of sealing groove is provided with sealing air bag pad, and the gas pipe is connected between sealing air bag pad and compression air bag pad.
[0007] By adopting the above technical scheme, when the compressed air bag pad is compressed under force, the air inside the compressed air bag pad enters the sealed air bag pad through the air pipe, so that the sealed air bag pad expands and is attached to the outer wall of the box door.
[0008] Further, the inner wall of the cavity is provided with a sliding groove, and a return spring is installed in the sliding groove, and the end of the return spring is connected with a sliding block, and the sliding block is connected with the second pressing plate.
[0009] By adopting the above technical scheme, when the sliding block slides in the sliding groove, it will extrude the return spring, so that the return spring is compressed under force, facilitating subsequent reset movement of the sliding block.
[0010] Further, the outer surface of the photovoltaic protection measurement and control assembly is respectively provided with a hinged seat and a fixed seat, the outer surface of the fixed seat is provided with a movable groove, and the movable groove is respectively provided with a buffer spring and a damper.
[0011] By adopting the above technical scheme, the buffer spring and the damper will contract under force, thereby playing a buffering role, preventing the photovoltaic protection measurement and control assembly from being damaged due to excessive impact force.
[0012] Further, the end of the buffer spring and the damper is connected with a movable block, the hinged seat is connected with a protection plate through a rotating shaft, and the protection plate and the movable block are connected with a first pressing plate through a rotating shaft.
[0013] By adopting the above technical scheme, when the protection plate rotates, it will push the first pressing plate to rotate, and the first pressing plate can push the movable block to move.
[0014] Further, the outer wall of the protection plate is provided with a rubber pad, and the movable block is slidingly connected with the movable groove.
[0015] By adopting the above technical scheme, the movable block can slide in the movable groove and extrude the buffer spring and the damper.
[0016] Further, the protection plate is rotationally connected with the hinged seat, and the length of the first pressing plate is less than the length of the fixed seat.
[0017] By adopting the above technical scheme, the protection plate is facilitated to rotate.
[0018] Further, the outer wall of the box door is attached to the inner wall of the sealed air bag pad.
[0019] By adopting the above technical scheme, the sealing property between the box door and the through opening can be improved, preventing moisture from entering the box body through the gap between the box door and the through opening.
[0020] Further, the second pressing plate is slidingly connected with the cavity, and the thickness of the compressed air bag pad is greater than the thickness of the sealed air bag pad.
[0021] By adopting the above technical solution, when the second pressing plate slides inside the cavity, it will squeeze the compression airbag pad, causing the compression airbag pad to be compressed under force.
[0022] Furthermore, the back of the box door is in contact with the push plate, and the push plate is located inside the cavity.
[0023] By adopting the above technical solution, so that after the box door is closed, it will push the push plate to move, enabling the push plate to drive the second pressing plate to move.
[0024] Furthermore, both the sealing airbag pad and the compression airbag pad are in the shape of a "mouth".
[0025] By adopting the above technical solution, it is convenient for the sealing airbag pad to fit with the outer wall of the box door, improving the sealing performance.
[0026] In summary, the main beneficial effects of the present utility model are as follows:
[0027] 1. By providing a sealing component in the present utility model, when the box door is closed, the box door will turn into the through-hole, and the box door will push the push plate to move, the push plate will then push the second pressing plate to move, and the second pressing plate will squeeze the compression airbag pad. After the compression airbag pad is compressed under force, the air inside it will enter the sealing airbag pad through the air tube, causing the sealing airbag pad to expand inward and fit with the outer wall of the box door, thereby improving the sealing performance between the through-hole and the box door, preventing external moisture from entering the box body through the gap between the box door and the through-hole. By this method, simply inflating the sealing airbag pad will cause it to expand and fit with the outer wall of the box door, thus improving the sealing effect of the box body and solving the problem of poor sealing performance caused by the aging and loss of elasticity of the sealing strip. At the same time, when the box door is closed, it will squeeze the compression airbag pad, and after being squeezed, the compression airbag pad will buffer the impact force generated when the box door is closed, thereby avoiding the photovoltaic protection and measurement and control components from being greatly vibrated and improving the protection effect on the photovoltaic protection and measurement and control components;
[0028] 2. By providing a slider, a sliding groove and a return spring in the present utility model, when the second pressing plate moves, it will also drive the slider to slide inside the sliding groove and squeeze the return spring, causing the return spring to be compressed under force, facilitating the subsequent reset movement of the slider and the second pressing plate BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 is the overall three-dimensional structure schematic diagram of the present utility model;
[0030] Figure 2 is the side-sectional structure schematic diagram of the box body of the present utility model;
[0031] Figure 3 is the structure schematic diagram of the retaining frame of the present utility model;
[0032] Figure 4 It is a sealed air bag cushion structure schematic view of the utility model;
[0033] Figure 5 It is a protective plate structure schematic view of the utility model;
[0034] Figure 6 It is a Figure 1 It is an enlarged structure schematic view of A place in the utility model;
[0035] Figure 7 It is a Figure 2 It is an enlarged structure schematic view of B place in the utility model;
[0036] Figure 8 It is a Figure 4 It is an enlarged structure schematic view of C place in the utility model.
[0037] In the figure: 1, box body; 2, through port; 3, box door; 4, hinge; 5, photovoltaic protection measurement and control assembly; 6, protective plate; 7, hinged seat; 8, first pressing plate; 9, sealing assembly; 901, sealing groove; 902, sealed air bag cushion; 903, blocking frame; 904, cavity; 905, compressed air bag cushion; 906, second pressing plate; 907, push plate; 908, sliding groove; 909, sliding block; 910, reset spring; 911, air pipe; 10, movable slot; 11, movable block; 12, fixed seat; 13, buffer spring; 14, damper. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.
[0039] The embodiments will be described below according to the overall structure of the utility model.
[0040] Embodiment one:
[0041] A photovoltaic box transformer protection measurement and control device, like Figures 1-8As shown, including a plurality of boxes 1, the outer surface of the box 1 is installed by hinge 4 box door 3, the outer surface of the box door 3 is installed with photovoltaic protection and control assembly 5, photovoltaic protection and control assembly 5 can work to measure the inside of the box 1, the outer surface of the box 1 is also provided with a through hole 2 adapted to the box door 3, and the through hole 2 is provided with a sealing assembly 9, the outer surface of the photovoltaic protection and control assembly 5 is respectively provided with a hinge seat 7 and a fixed seat 12, the outer surface of the fixed seat 12 is provided with a movable slot 10, and the movable slot 10 is respectively provided with a buffer spring 13 and a damper 14, the buffer spring 13 and the damper 14 will shrink after being stressed, thereby playing a buffering effect, preventing the impact force from being too large and causing damage to the photovoltaic protection and control assembly 5.
[0042] Referring to Figure 1 、 Figure 2 、 Figure 5 and Fig. 6, the end of the buffer spring 13 and the damper 14 is connected with a movable block 11, the hinge seat 7 is connected with a protective plate 6 through a rotating shaft, and the protective plate 6 and the movable block 11 are connected with a first pressing plate 8 through a rotating shaft, when the protective plate 6 rotates, it will push the first pressing plate 8 to rotate, the first pressing plate 8 can push the movable block 11 to move, the outer wall of the protective plate 6 is installed with a rubber pad, the movable block 11 is slidingly connected with the movable slot 10, the outer wall of the protective plate 6 is installed with a rubber pad, the movable block 11 is slidingly connected with the movable slot 10, the protective plate 6 is rotationally connected with the hinge seat 7, and the length of the first pressing plate 8 is less than the length of the fixed seat 12.
[0043] Specifically, the sealing assembly 9 includes a sealing groove 901 and a blocking frame 903 provided on the inner wall of the through hole 2, the blocking frame 903 is provided with a cavity 904 in the inside, and the cavity 904 is provided with a compressed air bag pad 905 in the inside, one side of the compressed air bag pad 905 is connected with a second pressing plate 906, and one side of the second pressing plate 906 is installed with a push plate 907, the inside of the sealing groove 901 is provided with a sealing air bag pad 902, and the sealing air bag pad 902 and the compressed air bag pad 905 are connected with an air pipe 911, when the compressed air bag pad 905 is compressed, the air in the inside will enter into the sealing air bag pad 902 through the air pipe 911, so that the sealing air bag pad 902 is inflated and adheres to the outer wall of the box door 3, the sealing air bag pad 902 and the compressed air bag pad 905 are both in the shape of "mouth".
[0044] Specifically, the outer wall of the box door 3 is attached to the inner wall of the sealing air bag pad 902, which can improve the sealing performance between the box door 3 and the through opening 2, prevent moisture from entering the inside of the box body 1 through the gap between the box door 3 and the through opening 2, the second pressing plate 906 is slidingly connected to the cavity 904, the thickness of the compressed air bag pad 905 is greater than the thickness of the sealing air bag pad 902, when the second pressing plate 906 slides in the cavity 904, it will squeeze the compressed air bag pad 905, so that the compressed air bag pad 905 is forced to compress, the back of the box door 3 is attached to the push plate 907, and the push plate 907 is located in the cavity 904, so that when the box door 3 is closed, it will push the push plate 907 to move, so that the push plate 907 can drive the second pressing plate 906 to move.
[0045] Embodiment two:
[0046] On the basis of the above-mentioned embodiment one, in order to facilitate the second pressing plate 906 to reset and move, the following structure is arranged.
[0047] Referring to Figure 7 , the inner wall of the cavity 904 is provided with a sliding groove 908, and the sliding groove 908 is internally provided with a reset spring 910, the end of the reset spring 910 is connected with a sliding block 909, and the sliding block 909 is connected with the second pressing plate 906, when the sliding block 909 slides in the sliding groove 908, it will squeeze the reset spring 910, so that the reset spring 910 is forced to compress, facilitating the subsequent reset and movement of the sliding block 909, and the reset and movement of the second pressing plate 906.
[0048] The working principle of the utility model is as follows: first, when the box door 3 of the box body 1 is opened, the box door 3 rotates to one side around the hinge 4, the photovoltaic protection measurement and control assembly 5 arranged on the surface of the box door 3 is easy to hit the adjacent box door 3, at this time, the protection plate 6 is turned after being hit, and drives the second pressing plate 906 to rotate, the second pressing plate 906 drives the movable block 11 to slide in the movable groove 10, and squeezes the buffer spring 13 and the damper 14, so that the buffer spring 13 and the damper 14 are retracted and play a buffering role, thereby the photovoltaic protection measurement and control assembly 5 can be protected.
[0049] When the box door 3 is closed, the box door 3 will rotate into the through opening 2, and the box door 3 will drive the push plate 907 to move, the push plate 907 drives the second pressing plate 906 to move, the second pressing plate 906 squeezes the compressed air bag pad 905, and the air in the compressed air bag pad 905 is forced to compress, and enters the sealing air bag pad 902 through the air pipe 911, so that the sealing air bag pad 902 is inflated and attached to the outer wall of the box door 3, thereby improving the sealing performance between the through opening 2 and the box door 3, preventing external moisture from entering the inside of the box body 1 through the gap between the box door 3 and the through opening 2.
[0050] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.
Claims
1. A photovoltaic box transformer protection monitoring device, comprising a plurality of boxes (1), characterized in that: The outer surface of the box (1) is provided with a box door (3) through a hinge (4), the outer surface of the box door (3) is provided with a photovoltaic protection measurement and control assembly (5), the outer surface of the box (1) is also provided with a through port (2) matched with the box door (3), and the inside of the through port (2) is provided with a sealing assembly (9), the sealing assembly (9) comprises a sealing groove (901) and a blocking frame (903) arranged on the inner wall of the through port (2), the inside of the blocking frame (903) is provided with a cavity (904), and the inside of the cavity (904) is provided with a compressed air bag pad (905), one side of the compressed air bag pad (905) is connected with a second pressing plate (906), and one side of the second pressing plate (906) is provided with a push plate (907), the inside of the sealing groove (901) is provided with a sealing air bag pad (902), and the sealing air bag pad (902) and the compressed air bag pad (905) are connected with an air pipe (911).
2. The photovoltaic box transformer protection monitoring device according to claim 1, characterized in that: The inner wall of the cavity (904) is provided with a sliding groove (908), and the inside of the sliding groove (908) is provided with a reset spring (910), and the end of the reset spring (910) is connected with a sliding block (909), and the sliding block (909) is connected with the second pressing plate (906).
3. The photovoltaic box transformer protection monitoring device of claim 1, wherein: The outer surface of the photovoltaic protection measurement and control assembly (5) is respectively provided with a hinge seat (7) and a fixed seat (12), the outer surface of the fixed seat (12) is provided with a movable groove (10), and the inside of the movable groove (10) is respectively provided with a buffer spring (13) and a damper (14).
4. The photovoltaic box transformer protection monitoring device of claim 3, wherein: The end of the buffer spring (13) and the damper (14) is connected with a movable block (11), the hinge seat (7) is connected with a protection plate (6) through a rotating shaft, and the protection plate (6) and the movable block (11) are connected with a first pressing plate (8) through a rotating shaft.
5. The photovoltaic box transformer protection monitoring device of claim 4, wherein: The outer wall of the protection plate (6) is provided with a rubber pad, and the movable block (11) and the movable groove (10) are slidingly connected.
6. The photovoltaic box transformer protection monitoring device of claim 4, wherein: The protection plate (6) and the hinge seat (7) are rotatably connected, and the length of the first pressing plate (8) is less than the length of the fixed seat (12).
7. The photovoltaic box transformer protection monitoring device of claim 1, wherein: The outer wall of the box door (3) is attached to the inner wall of the sealing air bag pad (902).
8. The photovoltaic box transformer protection monitoring device of claim 1, wherein: The second pressing plate (906) and the cavity (904) are slidingly connected, and the thickness of the compressed air bag pad (905) is greater than the thickness of the sealing air bag pad (902).
9. The photovoltaic box transformer protection monitoring device of claim 1, wherein: The back of the box door (3) is attached to the push plate (907), and the push plate (907) is located in the cavity (904).
10. The photovoltaic box transformer protection monitoring device of claim 1, wherein: The sealing air bag pad (902) and the compressed air bag pad (905) are both "mouth" shaped.
Citation Information
Patent Citations
Photovoltaic box transformer substation protection measurement and control device
CN221408150U