Relay fixing box
By using a relay cavity and bottom fixing structure in the high-voltage control box, eliminating the round nut insert, and using copper busbars to fix the top of the relay, the problems of reduced production capacity and increased costs caused by the relay fixing method were solved, achieving efficient production and cost savings.
Patent Information
- Application Number
- CN202520009416.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In the existing technology, the way the relay is fixed leads to a decrease in the production capacity and an increase in the cost of the high-voltage control box, mainly due to the increased use of round nut inserts, which affects the injection molding time and production efficiency of the bottom shell.
By employing a relay cavity and a bottom fixing structure (including clips and copper busbars), the bottom of the relay is pre-fixed, and the top of the relay is fixed using copper busbars, eliminating the need for round nut inserts and simplifying the installation process.
This improved the production efficiency of high-voltage control boxes, reduced production time and costs, while ensuring the stability of relays and the accuracy of installation positions.
Smart Images
Figure CN223693051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of relay, especially relate to a relay fixing box. BACKGROUND
[0002] At present, in the high-voltage control box, the fixing of the relay is completed by embedding a round nut insert into a plastic bottom shell, and then connecting the relay with the round nut insert by using a bolt. In recent years, with the development of new energy vehicles, the fast charging current is getting larger and larger, and the number of relays used is increasing, which has seriously affected the production capacity of the high-voltage control box. The reason is that the time for placing the round nut into the mold is increased, and the injection molding time of the bottom shell is prolonged. SUMMARY
[0003] In view of the above problems, the utility model provides a relay fixing box, which comprises a box body, a relay cavity, a relay, a bottom fixing structure and a copper bar. The relay cavity is arranged in the box body, the relay is arranged in the relay cavity, the bottom fixing structure is arranged at the bottom of the relay cavity, and the copper bar is arranged in the box body and located at the top of the relay cavity.
[0004] Further, the utility model also comprises a top cover, which cooperates with the top of the box body. A buffer buckle is arranged on the top cover and located at the top of the relay.
[0005] Further, the bottom fixing structure comprises a first buckle, a second buckle, a third buckle and a fourth buckle. The first buckle and the second buckle are arranged on one side of the bottom of the relay cavity, and the third buckle and the fourth buckle are arranged on the other side of the bottom of the relay cavity opposite to the first buckle and the second buckle.
[0006] Further, the relay comprises a main negative relay, a main positive relay, a fast charging positive relay and a fast charging negative relay. The main negative relay, the main positive relay, the fast charging positive relay and the fast charging negative relay are all arranged in the relay cavity.
[0007] Further, the relay cavity comprises a main negative relay cavity, a main positive relay cavity, a fast charging positive relay cavity and a fast charging negative relay cavity. The main negative relay is arranged in the main negative relay cavity, the main positive relay is arranged in the main positive relay cavity, the fast charging positive relay is arranged in the fast charging positive relay cavity, and the fast charging negative relay is arranged in the fast charging negative relay cavity.
[0008] Further, the main negative relay, the main positive relay, the fast charging positive relay and the fast charging negative relay all have a baffle arranged at the top. The buffer buckle is in contact with the baffle.
[0009] Further, the buffer buckle includes a first buffer buckle, a second buffer buckle, a third buffer buckle and a fourth buffer buckle, the first buffer buckle is in contact with the baffle of the main negative relay, the second buffer buckle is in contact with the baffle of the main positive relay, the third buffer buckle is in contact with the baffle of the fast charging positive relay, and the fourth buffer buckle is in contact with the fast charging negative relay.
[0010] Further, the copper bar includes a first copper bar, a second copper bar, a third copper bar, a fourth copper bar, a fifth copper bar and a sixth copper bar, the main negative relay is fixed by the first copper bar and the second copper bar, the main positive relay is fixed by the third copper bar and the fourth copper bar, the fast charging positive relay is fixed by the third copper bar and the fifth copper bar, and the fast charging negative relay is fixed by the second copper bar and the sixth copper bar.
[0011] Further, the bottom of the main negative relay cavity, the main positive relay cavity, the fast charging positive relay cavity and the fast charging negative relay cavity is provided with a first buckle, a second buckle, a third buckle and a fourth buckle.
[0012] Further, the first copper bar and the second copper bar are fixed with the main negative relay by bolts, the third copper bar and the fourth copper bar are fixed with the main positive relay by bolts, the third copper bar and the fifth copper bar are fixed with the fast charging positive relay by bolts, and the second copper bar and the sixth copper bar are fixed with the fast charging negative relay by bolts.
[0013] Compared with the prior art, the application has the following beneficial effects:
[0014] 1. By setting the relay cavity and the bottom fixing structure, i.e. the first buckle, the second buckle, the third buckle and the fourth buckle, when installing the relay, first place the relay from the box body bottom of the relay fixing box into the relay cavity, then the bottom fixing structure, i.e. the first buckle, the second buckle, the third buckle and the fourth buckle, pre-fix the bottom of the relay, and the top of the relay is fixed by the copper bar. The above structure makes it unnecessary to place a round nut insert in the relay installation position of the relay fixing box during the production process, and only after the production is completed, the relay is placed in the relay cavity provided on the fixing box, the top of the relay is fixed by the copper bar, and then the relay is locked, thereby reducing the production time of the high-voltage control box, improving the production capacity of the high-voltage control box, and reducing the cost.
[0015] 2. By setting the buffer buckle on the upper cover, the buffer buckle is in contact with the baffle on the top of the relay, which can pre-position the top of the relay during installation, and on the other hand, when the relay is impacted or shaken by external force, the stability of the relay can be maintained.
[0016] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0018] Figure 1 A schematic view of a relay fixing box in an embodiment of the present application is shown;
[0019] Figure 2 A perspective view of a relay fixing box in an embodiment of the present application is shown;
[0020] Figure 3 A top view of a relay fixing box in an embodiment of the present application is shown;
[0021] Figure 4 A schematic view of a relay in an embodiment of the present application is shown; Figure 2 An enlarged schematic view of A;
[0022] Figure 5 A schematic view of a relay in an embodiment of the present application is shown;
[0023] Figure 6 A schematic view of an upper cover in an embodiment of the present application is shown.
[0024] In the figure, 1, box body; 2, upper cover; 21, buffer buckle; 211, first buffer buckle; 212, second buffer buckle; 213, third buffer buckle; 214, fourth buffer buckle; 3, relay cavity; 31, main negative relay cavity; 32, main positive relay cavity; 33, fast charging positive relay cavity; 34, fast charging negative relay cavity; 4, relay; 41, main negative relay; 42, main positive relay; 43, fast charging positive relay; 44, fast charging negative relay; 45, baffle; 5, bottom fixing structure; 51, first buckle; 52, second buckle; 53, third buckle; 54, fourth buckle; 6, copper bar; 61, first copper bar; 62, second copper bar; 63, third copper bar; 64, fourth copper bar; 65, fifth copper bar; 66, sixth copper bar. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely explained in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0026] As Figure 1 And 2 A relay fixing box, including box body 1, relay cavity 3, relay 4, bottom fixing structure 5 and copper bar 6, relay cavity 3 is arranged in box body 1, relay 4 is arranged in relay cavity 3, bottom fixing structure 5 is arranged at the bottom of relay cavity 3, and copper bar 6 is arranged in box body 1 and is located at the top of relay cavity 3.
[0027] When installing relay 4, first, relay 4 is placed in relay cavity 3 from the bottom of the box body 1 of relay 4 fixing box, then the bottom of relay 4 is preliminarily fixed by bottom fixing structure 5, and the top of relay 4 is fixed by copper bar 6. The arrangement of the above structure makes relay 4 fixing box in the production process, and the installation position of relay 4 does not need to place a round nut insert, only needs to place relay 4 in the relay cavity 3 provided on the fixing box after production, and the top of relay 4 is fixed by copper bar 6, and then relay 4 is locked, thereby reducing the production time of high-voltage control box, improving the production capacity of high-voltage control box, and also reducing the cost.
[0028] Said relay 4 includes main negative relay 41, main positive relay 42, fast charging positive relay 43 and fast charging negative relay 44, and main negative relay 41, main positive relay 42, fast charging positive relay 43 and fast charging negative relay 44 are all arranged in relay cavity 3.
[0029] Main negative relay 41 is used for controlling the switch of high-power load current, main positive relay 42 is mainly responsible for connecting the positive pole of the battery and the vehicle circuit, fast charging positive relay 43 mainly controls the charging channel to realize fast charging and protect the battery, and fast charging negative relay 44 mainly cooperates with fast charging positive relay 43 to work and cooperates with fast charging positive relay 43 to control the charging process. They work together to ensure the safety, stability and efficient operation of the circuit.
[0030] The relay cavity 3 includes a main negative relay cavity 31, a main positive relay cavity 32, a fast charging positive relay cavity 33 and a fast charging negative relay cavity 34, the main negative relay 41 is arranged in the main negative relay cavity 31, the main positive relay 42 is arranged in the main positive relay cavity 32, the fast charging positive relay 43 is arranged in the fast charging positive relay cavity 33, and the fast charging negative relay 44 is arranged in the fast charging negative relay cavity 34.
[0031] The main negative relay 41, the main positive relay 42, the fast charging positive relay 43 and the fast charging negative relay 44 are correspondingly installed in the corresponding cavities, the main negative relay 41 and the main positive relay 42 are arranged adjacent to each other on one side of the long side of the box body 1, the fast charging positive relay 43 and the fast charging negative relay 44 are arranged adjacent to each other on the other side of the long side of the box body 1, and the main negative relay 41 and the fast charging negative relay 44 are arranged opposite to each other.
[0032] As shown in Figure 3 The copper bar 6 includes a first copper bar 61, a second copper bar 62, a third copper bar 63, a fourth copper bar 64, a fifth copper bar 65 and a sixth copper bar 66, the main negative relay 41 is fixed by the first copper bar 61 and the second copper bar 62, the main positive relay 42 is fixed by the third copper bar 63 and the fourth copper bar 64, the fast charging positive relay 43 is fixed by the third copper bar 63 and the fifth copper bar 65, and the fast charging negative relay 44 is fixed by the second copper bar 62 and the sixth copper bar 66.
[0033] The first copper bar 61, the second copper bar 62, the third copper bar 63, the fourth copper bar 64, the fifth copper bar 65 and the sixth copper bar 66 are respectively used to fix the main negative relay 41, the main positive relay 42, the fast charging positive relay 43 and the fast charging negative relay 44 from the top, the copper bar 6 has important functions such as connecting ground wire, ensuring circuit stability, corrosion resistance, wear resistance and excellent conductivity in the automobile circuit. It is an important part of the entire circuit system, and has important significance for ensuring the normal operation of the circuit and prolonging the service life.
[0034] The first copper bar 61 and the second copper bar 62 are fixed with the main negative relay 41 by bolts, the third copper bar 63 and the fourth copper bar 64 are fixed with the main positive relay 42 by bolts, the third copper bar 63 and the fifth copper bar 65 are fixed with the fast charging positive relay 43 by bolts, and the second copper bar 62 and the sixth copper bar 66 are fixed with the fast charging negative relay 44 by bolts.
[0035] Threaded holes are arranged on the top of the relay 4 and the copper bar 6, and the bolts pass through the copper bar 6 and the threaded holes of the relay 4 to be fixed.
[0036] As shown in Figure 4As shown, the bottom fixing structure 5 includes a first buckle 51, a second buckle 52, a third buckle 53 and a fourth buckle 54, the first buckle 51 and the second buckle 52 are arranged on one side of the bottom of the relay cavity 3, and the third buckle 53 and the fourth buckle 54 are arranged on the other side of the bottom of the relay cavity 3 opposite to the first buckle 51 and the second buckle 52.
[0037] The first buckle 51, the second buckle 52, the third buckle 53 and the fourth buckle 54 are all elastic, and the bottom is provided with a triangular lug, when the relay 4 enters the relay cavity 3 from the bottom, the first buckle 51, the second buckle 52, the third buckle 53 and the fourth buckle 54 are extruded outward, until the relay 4 is completely in the relay cavity 3, the first buckle 51, the second buckle 52, the third buckle 53 and the fourth buckle 54 return to normal, and the triangular lug on the bottom limits the relay 4.
[0038] As shown in the Figure 5 The main negative relay 41, the main positive relay 42, the fast charging positive relay 43 and the fast charging negative relay 44 are provided with a baffle 45 on the top, and the buffer buckle 21 is in contact with the baffle 45.
[0039] The baffle 45 is arranged at the center of the top of the relay 4, and the copper bar 6 is fixedly connected with the relay 4 on both sides of the baffle 45. The purpose of arranging the baffle 45 is to make the baffle 45 contact and abut against the buffer buckle 21 on the upper cover 2, which can pre-position the top of the relay 4 during installation, and on the other hand, can keep the relay 4 stable when the relay 4 is impacted or shaken by external force.
[0040] As shown in the Figure 6 It also includes an upper cover 2, which is matched with the top of the box body 1, and the upper cover 2 is provided with a buffer buckle 21, which is located on the top of the relay 4.
[0041] The buffer buckle 21 includes a first buffer buckle 211, a second buffer buckle 212, a third buffer buckle 213 and a fourth buffer buckle 214, the first buffer buckle 211 is in contact with the baffle 45 of the main negative relay 41, the second buffer buckle 212 is in contact with the baffle 45 of the main positive relay 42, the third buffer buckle 213 is in contact with the baffle 45 of the fast charging positive relay 43, and the fourth buffer buckle 214 is in contact with the baffle 45 of the fast charging negative relay 44.
[0042] The bottom of the main negative relay cavity 31, the main positive relay cavity 32, the fast charging positive relay cavity 33 and the fast charging negative relay cavity 34 is provided with a first buckle 51, a second buckle 52, a third buckle 53 and a fourth buckle 54.
[0043] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features therein can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. A relay fixing box characterized by comprising: The utility model relates to a relay box, including box (1), relay cavity (3), relay (4), bottom fixed structure (5) and copper bar (6), relay cavity (3) sets up in box (1), relay (4) sets up in relay cavity (3), bottom fixed structure (5) sets up at the bottom of relay cavity (3), copper bar (6) sets up in box (1) and is located at the top of relay cavity (3).
2. The relay fixing box according to claim 1, characterized by: Still include upper cover (2), the upper cover (2) with the top cooperation of box (1), be provided with buffer buckle (21) on the upper cover (2), buffer buckle (21) is located at the top of relay (4).
3. The relay fixing box according to claim 2, characterized by: The bottom fixed structure (5) includes first buckle (51), second buckle (52), third buckle (53) and fourth buckle (54), the first buckle (51) and second buckle (52) are arranged on one side of the bottom of the relay cavity (3), and the third buckle (53) and the fourth buckle (54) are arranged on the other side of the bottom of the relay cavity (3) opposite to the first buckle (51) and the second buckle (52).
4. The relay fixing box according to claim 3, characterized by: The relay (4) includes a main negative relay (41), a main positive relay (42), a fast charging positive relay (43) and a fast charging negative relay (44), and the main negative relay (41), the main positive relay (42), the fast charging positive relay (43) and the fast charging negative relay (44) are arranged in the relay cavity (3).
5. The relay fixing box according to claim 4, characterized by: The relay cavity (3) includes a main negative relay cavity (31), a main positive relay cavity (32), a fast charging positive relay cavity (33) and a fast charging negative relay cavity (34), the main negative relay (41) is arranged in the main negative relay cavity (31), the main positive relay (42) is arranged in the main positive relay cavity (32), the fast charging positive relay (43) is arranged in the fast charging positive relay cavity (33), and the fast charging negative relay (44) is arranged in the fast charging negative relay cavity (34).
6. The relay fixing box according to claim 4, characterized by: The main negative relay (41), the main positive relay (42), the fast charging positive relay (43) and the fast charging negative relay (44) are provided with baffles (45) at the top, and the buffer buckle (21) is in contact with the baffle (45).
7. The relay fixing box according to claim 6, characterized by: The buffer buckle (21) includes a first buffer buckle (211), a second buffer buckle (212), a third buffer buckle (213) and a fourth buffer buckle (214), the first buffer buckle (211) is in contact with the baffle (45) in contact with the main negative relay (41), the second buffer buckle (212) is in contact with the baffle (45) of the main positive relay (42), the third buffer buckle (213) is in contact with the baffle (45) of the fast charging positive relay (43), and the fourth buffer buckle (214) is in contact with the fast charging negative relay (44).
8. The relay fixing box according to claim 4, characterized by: The copper bar (6) includes a first copper bar (61), a second copper bar (62), a third copper bar (63), a fourth copper bar (64), a fifth copper bar (65) and a sixth copper bar (66), the main negative relay (41) is fixed by the first copper bar (61) and the second copper bar (62), the main positive relay (42) is fixed by the third copper bar (63) and the fourth copper bar (64), the fast charging positive relay (43) is fixed by the third copper bar (63) and the fifth copper bar (65), and the fast charging negative relay (44) is fixed by the second copper bar (62) and the sixth copper bar (66).
9. The relay fixing box according to claim 5, characterized by: The bottom of the main negative relay cavity (31), the main positive relay cavity (32), the fast charging positive relay cavity (33) and the fast charging negative relay cavity (34) are provided with a first buckle (51), a second buckle (52), a third buckle (53) and a fourth buckle (54).
10. The relay fixing box according to claim 8, characterized by: The first copper bar (61) and the second copper bar (62) are fixed with the main negative relay (41) by bolts, the third copper bar (63) and the fourth copper bar (64) are fixed with the main positive relay (42) by bolts, the third copper bar (63) and the fifth copper bar (65) are fixed with the fast charging positive relay (43) by bolts, and the second copper bar (62) and the sixth copper bar (66) are fixed with the fast charging negative relay (44) by bolts.