Relay base structure
By designing a relay base structure with an L-shaped housing and an n-shaped copper busbar, combined with sealing connections and sealant, the problem of poor sealing performance under high load current conditions was solved, enabling stable use in complex and harsh environments.
Patent Information
- Application Number
- CN202423193199.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing relay bases have poor sealing performance under high load current conditions, making it difficult to use them stably in complex and harsh environments.
A relay base structure was designed, which adopts an L-shaped housing and an n-shaped copper busbar, combined with a partition plate, a top cover plate and a sealing connection. The sealing performance is improved by sealant and positioning ribs, and the L-shaped structure is used to increase the heat dissipation area of the copper busbar.
It improves the sealing and stability of relays under high load current conditions, making them suitable for complex and harsh environments such as deserts, oceans, and extreme cold.
Smart Images

Figure CN223598628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electrical components, more particularly to a relay base structure. BACKGROUND
[0002] The relay base provides an interface for electrical connection, usually including a set of contacts or other forms of electrical contact to achieve the turn-on or turn-off of the circuit, and the base provides physical support for the relay, ensuring stable installation of the relay in the circuit or device, and facilitating replacement and maintenance.
[0003] The development of relays has increasingly higher requirements for load power, especially in the fields of energy storage, photovoltaic grid connection and charging piles, and the requirement for the load current of the relay has exceeded 300A. In order to withstand greater current, the power copper bar of the relay needs to be made into an n shape to increase the conductive area, and one pin of the n-shaped copper bar needs to be arranged outside the relay shell for heat dissipation, so the sealing of the n-shaped copper bar relay base is particularly important.
[0004] In summary, how to provide a relay base with good sealing effect is a problem that needs to be solved by the technical personnel in the field at present. CONTENT OF THE UTILITY MODEL
[0005] Therefore, the utility model aims at providing a relay base structure with good sealing effect, which is beneficial to improving the stability of the relay.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A relay base structure comprises:
[0008] A shell is provided with an opening on one side, a partition plate is arranged on one side of the shell, and an inner side opening and an outer side opening are arranged on the shell and located on both sides of the partition plate respectively;
[0009] A top cover plate is arranged on the opening of the shell and can be closed by the top cover plate, and the connection between the top cover plate and the shell is sealed.
[0010] A copper bar is arranged in the n shape, and the copper bar comprises an inner side part and an outer side part and extends out of the shell through the inner side opening and the outer side opening respectively.
[0011] Further, the opening of the shell is provided with a placement boss with an L-shaped cross section, the placement boss is used for placing the top cover plate, and a preset gap is arranged between the top cover plate and the shell.
[0012] Further, the inner side opening and the outer side opening are each provided with a glue groove around the inner side opening and the outer side opening.
[0013] The utility model further, the preset gap with the rubber groove is filled with sealant.
[0014] The utility model further, a plurality of positioning convex ribs are equipped on the placement boss, and the positioning convex rib is used for forming the preset gap between the top cover plate and the shell.
[0015] The utility model further, the thickness of the positioning convex rib is 0.15mm-2mm.
[0016] The utility model further, the height of the positioning convex rib is lower than the thickness of the top cover plate at the contact position.
[0017] The utility model further, the top cover plate cross section is convex structure.
[0018] The relay base structure provided by the utility model, when using, the inside of the shell is provided with a partition plate, and the partition plate makes the whole shell present L type structure, and makes the inside mouth and the outside mouth arranged on the shell present respectively on the two sides of the partition plate, that is to say, the inside mouth and the outside mouth present respectively on the vertical side position and the horizontal side position of the L type shell, the copper bar is n type, the copper bar includes the inside and the outside, and stretches out the shell from the inside mouth and the outside mouth respectively, therefore, when the outside of the copper bar stretches out the shell from the outside mouth, makes one side of the copper bar exposed, and the outside increases the exposed area due to the L type structure of the shell, further advantageously improves the heat dissipation of the copper bar, the opening on the shell can be closed by the top cover plate, the top cover plate is connected with the shell by sealing connection, when the top cover plate is not installed, the inside of the shell is convenient for the installation of the electric appliance, including the installation of the copper bar, when the installation is completed, the top cover plate closes the opening, and by sealing connection, the closing effect of the shell is increased, advantageously improves the sealing, and further can make the relay use in complex and bad environment, such as desert, ocean, extremely cold region. ACCURACY
[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only the embodiment of the utility model, and for the ordinary skilled in the art, under the premise of not creating the creative labor, other drawings can be obtained according to the provided drawing.
[0020] Figure 1 The structure schematic diagram of the whole shaft side provided by the utility model is shown;
[0021] Figure 2 The structure schematic diagram of the inside shaft side of the shell provided by the utility model is shown;
[0022] Figure 3 The whole bottom view structure schematic diagram provided by the utility model;
[0023] Figure 4 The whole internal section structure schematic diagram provided by the utility model;
[0024] Figure 5 The structure schematic diagram of A place structure amplification provided by the utility model;
[0025] Figure 6 The structure schematic diagram of B place structure amplification provided by the utility model;
[0026] Figure 7 The copper bar shaft side structure schematic diagram provided by the utility model;
[0027] Figures 1-7 The reference signs include:
[0028] 1, shell 1, partition plate 2, outer side opening 3, inner side opening 4, top cover plate 5, copper bar 6, placing boss 7, preset gap 8, glue groove 9, positioning convex rib 10, mounting plate 11, forming hole 12. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0030] The core of the utility model is to provide a relay base structure, which has good sealing effect and is conducive to improving the stability of the relay.
[0031] Please refer to Figures 1-7 A relay base structure, including shell 1, top cover plate 5 and copper bar 6, one side of shell 1 is provided with an opening, one side of shell 1 is provided with partition plate 2, inner side opening 4 and outer side opening 3 are arranged on shell 1 and are respectively located on both sides of partition plate 2, the opening on shell 1 can be closed through top cover plate 5, the connection between top cover plate 5 and shell 1 adopts sealing connection, copper bar 6 is n-shaped, copper bar 6 includes inner side and outer side and respectively extends out of shell 1 from inner side opening 4 and outer side opening 3.
[0032] In use, the shell 1 is internally provided with a partition plate 2, and the partition plate 2 makes the shell 1 as a whole in an L-shaped structure, and the internally provided inner side opening 4 and the externally provided outer side opening 3 of the shell 1 are respectively located at two sides of the partition plate 2, that is, the inner side opening 4 and the outer side opening 3 are respectively located at a vertical side and a horizontal side of the L-shaped shell 1, and the copper bar 6 is in an n-shaped structure, and the copper bar 6 includes an inner side and an outer side and respectively extends out of the shell 1 from the inner side opening 4 and the outer side opening 3, so that when the outer side of the copper bar 6 extends out of the shell 1 from the outer side opening 3, one side of the copper bar 6 is exposed, and the outer side increases the exposed area due to the L-shaped structure of the shell 1, thereby facilitating the heat dissipation of the copper bar 6, and meanwhile, the opening of the shell 1 is closed by the top cover plate 5, and the connection between the top cover plate 5 and the shell 1 is in a sealed connection, and when the top cover plate 5 is not installed, the internal electrical devices of the shell 1, including the copper bar 6, are facilitated to be installed, and after the installation is completed, the opening is closed by the top cover plate 5, and meanwhile, the sealing effect of the shell 1 is increased by the sealed connection, thereby facilitating the sealing, and the relay can be used in complex and harsh environments, such as deserts, oceans and extremely cold regions.
[0033] It should be noted that the partition plate 2 in the embodiments of the utility model can be fixed in an integrated manner with the shell 1, and the height of the partition plate 2 is lower than the height of the shell 1, so that after the copper bar 6 is inserted into the outer side opening 3 and the inner side opening 4, the top cover plate 5 can sufficiently seal the shell 1.
[0034] In addition, the distance between the outer side opening 3 and the inner side opening 4 in the embodiments of the utility model can be selected according to the distance between the outer side and the inner side of the copper bar 6, and a plurality of corresponding outer side openings 3 and inner side openings 4 can be provided according to the number of the copper bars 6.
[0035] Optionally, in some embodiments, the sealing structure between the top cover plate 5 and the shell 1 can adopt a rubber ring, that is, a rubber ring is arranged at the contact position of the top cover plate 5 and the shell 1, and the sealing property is increased by the rubber ring.
[0036] Optionally, in the above embodiments, the top cover plate 5 can be fixed to the shell 1 by bolts, that is, the pre-tightening force of the top cover plate 5 and the shell 1 is increased by screwing the bolts, thereby further pressing the rubber ring to improve the sealing property.
[0037] Optionally, in some embodiments, the top cover plate 5 can adopt a concave structure, and the area of the top cover plate 5 is greater than the area of the opening, that is, the top cover plate 5 covers the shell 1 inside to improve the sealing property.
[0038] Optionally, in some other embodiments, the opening of the shell 1 is provided in a circular structure, and a convex thread is arranged at the opening, and the top cover plate 5 adopts a cylindrical structure matched with the opening, and the opening is closed by screwing the thread, and the sealing effect is relatively strong.
[0039] Please refer to Figure 4 In some embodiments, the opening of the shell 1 is provided with an L-shaped placement boss 7, which is used to place the top cover plate 5, that is, the top cover plate 5 is limited by the placement boss 7 at the opening of the shell 1, which is beneficial to the installation and fixation of the top cover plate 5, and also beneficial to increasing the contact area of the top cover plate 5 and the shell 1, so as to improve the sealing effect.
[0040] Please continue to refer to Figure 4 In some embodiments, the inner side opening 4 and the outer side opening 3 are each provided with a glue groove 9 around the inner side opening 4 and the outer side opening 3.
[0041] Optionally, in some embodiments, the preset gap 8 and the glue groove 9 are each filled with sealant, that is, the glue groove 9 and the preset gap 8 are filled with sealant, so as to realize the sealing effect of the shell 1, the copper bar 6 and the top cover plate 5, and the sealant
[0042] Optionally, in some embodiments, the sealant can be a quick-drying sealant, for example, a UV irradiation quick-drying sealant, which is beneficial to improving the product assembly efficiency.
[0043] Please continue to refer to Figure 4 In order to ensure that the top cover plate 5 does not have a small gap between the top cover plate 5 and the shell 1 after assembly, in some embodiments, the placement boss 7 is provided with a plurality of positioning ribs 10, which are used to form a preset gap 8 between the top cover plate 5 and the shell 1, that is, the top cover plate 5 is limited by the positioning rib 10, so that it forms a width of at least the preset gap 8, so that the sealant can have good flowability when filled, and ensure that it is filled sufficiently.
[0044] It should be noted that the shape of the positioning rib 10 is not limited in the embodiments of the present application, and in some embodiments, the positioning rib 10 can adopt a cylindrical, cuboid or semi-cylindrical structure.
[0045] Optionally, in some embodiments, the thickness of the positioning rib 10 is 0.15mm-0.2mm, that is, the gap between the top cover plate 5 and the shell 1 is at least 0.15mm, and the preset gap 8 between the top cover plate 5 and the shell 1 can be selected according to the use requirement, and the thickness of the positioning rib 10 can ensure the fixation of the preset gap 8 between the top cover plate 5 and the shell 1.
[0046] Optionally, in some embodiments, the height of the positioning rib 10 is lower than the thickness of the top cover plate 5 at the position in contact with the top cover plate 5, that is, the height of the preset gap 8 is higher than the height of the positioning rib 10, so that when the sealant enters the inside of the preset gap 8, the positioning rib 10 will not affect the flow of the sealant, which is beneficial to filling the sealant in the preset gap 8.
[0047] Optionally, in some embodiments, the top cover plate 5 is in a convex structure in cross section, that is, by forming the top cover plate 5 in a convex structure, an annular groove matched with the shell 1 is formed above the preset gap 8, which can avoid overflow of sealant after filling the sealant in the preset gap 8, improve the quality of the product after assembly, and also reduce the waste of watering.
[0048] Optionally, in some embodiments, the shell 1 is provided with a mounting plate 11 perpendicular to the bottom of the shell 1, and the bottom of the shell 1 is provided with a shaped hole 12 extending along the mounting plate 11 and penetrating the bottom of the shell 1, that is, the shell 1 is provided with a shaped hole 12 for facilitating injection molding, which reduces the difficulty of producing the shell 1 and improves the quality of producing the shell 1. The shaped hole 12 can also be sealed by using sealant during assembly, or sealed by using a sealing cover or a sealing plug.
[0049] That is, the focus of the embodiment of the utility model is that the n-type copper bar 6 is used and extends out of the shell 1 from the inner side opening 4 and the outer side opening 3, so that one side of the copper bar 6 is exposed outside after the outer side of the copper bar 6 extends out of the shell 1 from the outer side opening 3, and the exposed area is increased due to the L-shaped structure of the shell 1, which is beneficial to improve the heat dissipation effect of the copper bar 6. At the same time, the opening on the shell 1 can be closed by the top cover plate 5, and the connection between the top cover plate 5 and the shell 1 is sealed, which is convenient for the installation of the electrical devices in the shell 1, including the installation of the copper bar 6, when the top cover plate 5 is not installed. After the installation is completed, the opening is closed by the top cover plate 5, and the sealing connection increases the sealing effect of the shell 1, which is beneficial to improve the sealing performance, so that the relay can be used in complex and harsh environments, such as deserts, oceans and extremely cold regions.
[0050] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between the embodiments can be referred to each other.
[0051] The relay base structure provided by the utility model is described in detail above. The principle and implementation mode of the utility model are described by applying specific examples in this paper. The description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that the ordinary skilled in the art can make some improvements and modifications to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.
Claims
1. A relay base structure, characterized in that, include: The housing (1) has an opening on one side and a partition plate (2) on one side. The housing (1) has an inner opening (4) and an outer opening (3) on the side, respectively located on both sides of the partition plate (2). The top cover plate (5) can be used to close the opening on the housing (1), and the connection between the top cover plate (5) and the housing (1) is sealed. The copper busbar (6) is n-shaped and includes an inner part and an outer part, which extend out of the housing (1) through the inner opening (4) and the outer opening (3) respectively.
2. The relay base structure according to claim 1, characterized in that, The opening of the housing (1) is provided with a L-shaped placement boss (7), which is used to place the top cover plate (5). A preset gap (8) is provided between the top cover plate (5) and the housing (1).
3. The relay base structure according to claim 2, characterized in that, Both the inner opening (4) and the outer opening (3) are provided with a glue groove (9) around the inner opening (4) and the outer opening (3).
4. The relay base structure according to claim 3, characterized in that, Both the preset gap (8) and the glue groove (9) are filled with sealant.
5. A relay base structure according to claim 2, characterized in that, The placement boss (7) is provided with a number of positioning ribs (10), which are used to form a preset gap (8) between the top cover plate (5) and the shell (1).
6. A relay base structure according to claim 5, characterized in that, The thickness of the positioning rib (10) is 0.15mm-2mm.
7. A relay base structure according to claim 6, characterized in that, The height of the positioning rib (10) is lower than the thickness of the top cover plate (5) at the contact position with the top cover plate (5).
8. A relay base structure according to claim 1, characterized in that, The top cover plate (5) has a convex cross-section.