New energy automobile charging and discharging controller
By installing a bracket made of insulating material inside the box of the charging and discharging controller of the new energy vehicle, fixing the control circuit board and relay group, the contact short circuit or leakage caused by the small gap between these components and the box in the prior art is solved, and the safety and heat dissipation effect are improved.
Patent Information
- Application Number
- CN202421674623.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-16
AI Technical Summary
In the existing charging and discharging controllers of new energy vehicles, the gap between the control circuit board, the relay group and the box is small, and short circuits or leakage are prone to contact, which poses safety hazards.
A bracket made of insulating material is arranged inside the box, the control circuit board is fixed to the bottom of the bracket, and the relay group is fixed to the top of the bracket, forming a certain gap to avoid contact short circuit or leakage.
By increasing the gap between the control circuit board and the relay group and the box, the contact short circuit or leakage is effectively avoided, safety hazards are eliminated, and reliable support and fixation of these components are achieved, which promotes heat dissipation.
Smart Images
Figure CN222897401U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of charge and discharge controllers, and in particular to a charge and discharge controller for a new energy vehicle. Background Art
[0002] A new energy vehicle charge and discharge controller is a device for controlling the charging and discharging of new energy vehicles. Currently, the new energy vehicle charge and discharge controller on the market includes a box body, a box cover, a control circuit board, a relay group, and several electrical connectors fixed on the outer wall of the box body. The box cover is sealed and fixed at the opening at the upper end of the box body. The control circuit board and the relay group are both fixed inside the box body. In addition, the relay group is electrically connected to the control circuit board, wherein a part of the electrical connectors are electrically connected to the relay group, and the remaining part of the electrical connectors are electrically connected to the control circuit board; however, in the above-mentioned new energy vehicle charge and discharge controller structure currently on the market, since the control circuit board and the relay group are directly fixed inside the box body, it is easy for the control circuit board and the relay group to have a small gap with the inner wall of the box body, that is, it is easy for the control circuit board and the relay group to have a contact short circuit or leakage with the box body. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a new energy vehicle charging and discharging controller, which can effectively avoid contact short circuit or leakage between the control circuit board and the relay group and the box body, thereby eliminating safety hazards.
[0004] The utility model provides a new energy vehicle charging and discharging controller, comprising a box body, a box cover, a control circuit board, a relay group and a plurality of electrical connectors fixed on the outer side wall of the box body, wherein the box cover is sealed and fixed at the opening of the upper end of the box body; the new energy vehicle charging and discharging controller also comprises a bracket made of insulating material, the bracket is fixed inside the box body, the control circuit board is fixed at the bottom of the bracket and a first gap is formed between the control circuit board and the inner bottom of the box body, the relay group is fixed at the top of the bracket and a second gap is formed between the relay group and the lower end surface of the box cover; the relay group is electrically connected to the control circuit board, wherein a part of the electrical connectors is electrically connected to the relay group, and the remaining part of the electrical connectors is electrically connected to the control circuit board.
[0005] The utility model provides a bracket made of insulating material inside the box body, and because the control circuit board is fixed at the bottom of the bracket and a first gap is formed between the control circuit board and the inner bottom of the box body, and the relay group is fixed at the top of the bracket and a second gap is formed between the relay group and the lower end surface of the box cover, the gap between the control circuit board and the relay group and the inner wall of the box body can be effectively increased, thereby effectively avoiding contact short circuit or leakage between the control circuit board and the relay group and the box body, eliminating safety hazards; furthermore, under the action of the bracket, reliable support and fixation of the control circuit board and the relay group can be achieved; in addition, under the action of the bracket, the control circuit board and the relay group can be fixed in a suspended manner inside the box body, which is beneficial to the heat dissipation of the control circuit board and the relay group.
[0006] In a possible embodiment, a plurality of support columns are provided on the inner bottom of the box body, and a socket corresponding vertically to the plurality of support columns is provided on the bottom of the bracket, and the upper end of each support column is inserted into the socket at the corresponding position, and the plurality of support columns are used to support the bracket and form a third gap between the bracket and the inner bottom of the box body; by adopting this structure, after each support column is plugged into the socket at the corresponding position, the purpose of limiting and positioning can be achieved between the bracket and the box body, that is, it can facilitate the assembly of the bracket and the box body, and can improve the reliability of the bracket and the box body after assembly. In addition, the plurality of support columns can achieve reliable support for the bracket.
[0007] In a possible embodiment, the bracket is provided with countersunk holes vertically corresponding to each socket, each countersunk hole is provided with a bolt, each bolt is threadedly connected to the support column at the corresponding position, and the bracket is fixed to the box body by the bolts; by adopting this structure, the bracket can be reliably fixed inside the box body under the action of the bolts.
[0008] In a possible embodiment, an open groove is provided in the middle of the left and right ends of the bracket, and a folded edge folded toward the inside of the opening groove is provided at the edge of the upper end of the opening groove; by adopting this structure, when it is necessary to take the bracket together with the control circuit board and the relay group out of the box body, the fingers can be inserted into the open groove and abut against the folded edge, thereby facilitating the removal of the bracket together with the control circuit board and the relay group from the box body.
[0009] In a possible implementation, a ventilation valve is fixed on the side wall of the box body, and the ventilation valve is connected to the inner cavity of the box body; through the provision of the ventilation valve, the air inside the box body can be connected to the air outside the box body while ensuring waterproofness, thereby ensuring the air pressure balance inside the box body.
[0010] In a possible implementation, the control circuit board is embedded in the bottom of the bracket, and an anti-foolproof limit block is provided on the inner wall of the bottom of the bracket. Anti-foolproof limit grooves corresponding to the anti-foolproof limit blocks are provided at the edge of the control circuit board, and each anti-foolproof limit block is embedded in the anti-foolproof limit groove at the corresponding position; by adopting this structure, when the control circuit board and the bracket are assembled, the purpose of anti-foolproof can be achieved, and the assembly of the control circuit board and the bracket can be facilitated, and the reliability of the control circuit board and the bracket after assembly can be improved.
[0011] In a possible implementation manner, the control circuit board is fixed to the bracket by a plurality of first screws; by adopting this structure, the control circuit board can be reliably fixed to the bracket by a plurality of first screws.
[0012] In a possible embodiment, an annular groove is provided at the upper end of the box body, a sealing ring is embedded in the annular groove, and the sealing ring is tightly sealed to the inner wall of the annular groove and the lower end surface of the box cover; by adopting this structure, under the action of the sealing ring, the sealing ring can reliably seal the gap between the box cover and the box body.
[0013] In a possible implementation, the box cover is fixed to the box body by a plurality of second screws distributed at circumferential intervals, and all the second screws are located outside the sealing ring; by adopting this structure, the box cover can be reliably fixed to the box body by a plurality of second screws.
[0014] In a possible embodiment, at least one positioning notch is provided at both ends of the box cover, and positioning blocks corresponding vertically to the positioning notches are provided at the upper end of the box body, and each positioning block is engaged with the positioning notch at the corresponding position; by adopting this structure, when the box cover and the box body are assembled, the positioning purpose between the box cover and the box body can be achieved under the action of the positioning notch and the positioning block, thereby facilitating the assembly of the box cover and the box body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model after removing the box cover;
[0017] Figure 3 This is a schematic diagram of the exploded three-dimensional structure of the first part of the utility model after the box cover is removed;
[0018] Figure 4 This is a schematic diagram of the exploded three-dimensional structure of the second part of the utility model after the box cover is removed. DETAILED DESCRIPTION
[0019] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.
[0020] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0021] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0022] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.
[0023] See also Figure 1-4 As shown, the embodiment of the present application discloses a new energy vehicle charging and discharging controller, including a box body 1, a box cover 2, a control circuit board 3, a relay group 4 and a plurality of electrical connectors 5 fixed on the outer wall of the box body 1, and the box cover 2 is sealed and fixed at the opening at the upper end of the box body 1; the new energy vehicle charging and discharging controller also includes a bracket 6 made of insulating material, the bracket 6 is fixed to the inside of the box body 1, the control circuit board 3 is fixed to the bottom of the bracket 6 and a first gap is formed between the control circuit board 3 and the inner bottom of the box body 1, the relay group 4 is fixed to the top of the bracket 6 and a second gap is formed between the relay group 4 and the lower end surface of the box cover 2; the relay group 4 is electrically connected to the control circuit board 3, wherein a part of the electrical connector 5 is electrically connected to the relay group 4, and the remaining part of the electrical connector 5 is electrically connected to the control circuit board 3.
[0024] A plurality of support columns 11 are arranged on the inner bottom of the box body 1, and a socket 61 vertically corresponding to the plurality of support columns 11 is arranged on the bottom of the bracket 6. The upper end of each support column 11 is inserted into the socket 61 at the corresponding position. The plurality of support columns 11 are used to support the bracket 6 and form a third gap between the bracket 6 and the inner bottom of the box body 1. By adopting this structure, after each support column is plugged into the socket at the corresponding position, the purpose of limiting and positioning can be achieved between the bracket and the box body, that is, it can facilitate the assembly of the bracket and the box body, and can improve the reliability of the bracket and the box body after assembly. In addition, the plurality of support columns can achieve reliable support for the bracket.
[0025] The bracket 6 is provided with countersunk holes 62 vertically corresponding to each insertion hole 61, and each countersunk hole 62 is provided with a bolt 7. Each bolt 7 is threadedly connected to the support column 11 at the corresponding position, and the bracket 6 is fixed to the box body 1 by the bolt 7. After adopting this structure, the bracket can be reliably fixed inside the box body under the action of the bolt.
[0026] An opening groove 63 is provided in the middle of the left and right ends of the bracket 6, and a folded edge 631 folded toward the inside of the opening groove 63 is provided at the edge of the upper end of the opening groove 63; by adopting this structure, when it is necessary to take the bracket together with the control circuit board and the relay group out of the box body, the fingers can be inserted into the opening groove and abut against the folded edge, thereby facilitating the removal of the bracket together with the control circuit board and the relay group from the box body.
[0027] A ventilation valve 8 is fixed on the side wall of the box body 1, and the ventilation valve 8 is connected to the inner cavity of the box body 1; through the setting of the ventilation valve, the air inside the box body can be connected with the air outside the box body while ensuring waterproofness, thereby ensuring the air pressure balance inside the box body.
[0028] The control circuit board 3 is embedded in the bottom of the bracket 6, and an anti-foolproof limit block 64 is provided on the inner wall of the bottom of the bracket 6. The edge of the control circuit board 3 is provided with an anti-foolproof limit groove 31 corresponding to the anti-foolproof limit block 64, and each anti-foolproof limit block 64 is embedded in the anti-foolproof limit groove 31 at the corresponding position; by adopting this structure, when the control circuit board and the bracket are assembled, the purpose of anti-foolproof can be achieved, and it can bring convenience to the assembly of the control circuit board and the bracket, and can improve the reliability of the control circuit board and the bracket after assembly.
[0029] The control circuit board 3 is fixed to the bracket 6 by a plurality of first screws 32 ; by adopting this structure, the control circuit board can be reliably fixed to the bracket by a plurality of first screws.
[0030] An annular groove 12 is provided at the upper end of the box body 1, and a sealing ring 9 is embedded in the annular groove 12. The sealing ring 9 is tightly sealed to the inner wall of the annular groove 12 and the lower end surface of the box cover 2. By adopting this structure, under the action of the sealing ring, the sealing ring can reliably seal the gap between the box cover and the box body.
[0031] The box cover 2 is fixed to the box body 1 by a plurality of second screws 21 distributed at circumferential intervals, and all the second screws 21 are located outside the sealing ring 9; by adopting this structure, the box cover can be reliably fixed to the box body by a plurality of second screws.
[0032] At least one positioning notch 22 is provided at both ends of the box cover 2, and a positioning block 13 vertically corresponding to the positioning notch 22 is provided at the upper end of the box body 1, and each positioning block 13 is engaged with the positioning notch 22 at the corresponding position; by adopting this structure, when the box cover and the box body are assembled, under the action of the positioning notch and the positioning block, the box cover and the box body can achieve the purpose of positioning, thereby facilitating the assembly of the box cover and the box body.
[0033] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.
Claims
1. A new energy vehicle charge and discharge controller, comprising a box body (1), a box cover (2), a control circuit board (3), a relay group (4) and a plurality of electrical connectors (5) fixed on the outer side wall of the box body (1), wherein the box cover (2) is sealedly fixed at the opening at the upper end of the box body (1); characterized in that: The new energy vehicle charge and discharge controller further comprises a bracket (6) made of insulating material, the bracket (6) being fixed inside the box body (1), the control circuit board (3) being fixed at the bottom of the bracket (6) and a first gap being formed between the control circuit board (3) and the inner bottom of the box body (1), the relay group (4) being fixed at the top of the bracket (6) and a second gap being formed between the relay group (4) and the lower end surface of the box cover (2); the relay group (4) being electrically connected to the control circuit board (3), wherein a part of the electrical connector (5) is electrically connected to the relay group (4), and the remaining part of the electrical connector (5) is electrically connected to the control circuit board (3).
2. The new energy vehicle charge and discharge controller according to claim 1, characterized in that: A plurality of support columns (11) are arranged on the inner bottom of the box body (1), and a bottom of the bracket (6) is provided with insertion holes (61) vertically corresponding to the plurality of support columns (11) one by one, and the upper end of each support column (11) is inserted into the insertion hole (61) at a corresponding position, and the plurality of support columns (11) are used to support the bracket (6) and form a third gap between the bracket (6) and the inner bottom of the box body (1).
3. The new energy vehicle charge and discharge controller according to claim 2 is characterized in that: The bracket (6) is provided with countersunk holes (62) vertically corresponding to each of the insertion holes (61), each of the countersunk holes (62) is provided with a bolt (7), each of the bolts (7) is threadedly connected to a support column (11) at a corresponding position, and the bracket (6) is fixed to the box body (1) via the bolts (7).
4. The new energy vehicle charge and discharge controller according to claim 3 is characterized in that: An opening groove (63) is provided in the middle of both left and right ends of the bracket (6), and a folded edge (631) folded toward the inside of the opening groove (63) is provided at the edge of the upper end of the opening groove (63).
5. The new energy vehicle charge and discharge controller according to any one of claims 1 to 4, characterized in that: A vent valve (8) is fixed on the side wall of the box body (1), and the vent valve (8) is in communication with the inner cavity of the box body (1).
6. The new energy vehicle charge and discharge controller according to any one of claims 1 to 4, characterized in that: The control circuit board (3) is embedded in the bottom of the bracket (6); an anti-foolproof limit block (64) is provided on the inner wall of the bottom of the bracket (6); and anti-foolproof limit grooves (31) corresponding to the anti-foolproof limit blocks (64) are provided at the edge of the control circuit board (3); each of the anti-foolproof limit blocks (64) is embedded in the anti-foolproof limit groove (31) at a corresponding position.
7. The new energy vehicle charge and discharge controller according to claim 6, characterized in that: The control circuit board (3) is fixed to the bracket (6) via a plurality of first screws (32).
8. The new energy vehicle charge and discharge controller according to any one of claims 1 to 4, characterized in that: The upper end of the box body (1) is provided with an annular embedding groove (12), a sealing ring (9) is embedded in the annular embedding groove (12), and the sealing ring (9) is tightly sealed to the inner wall of the annular embedding groove (12) and the lower end surface of the box cover (2).
9. The new energy vehicle charge and discharge controller according to claim 8, characterized in that: The box cover (2) is fixed to the box body (1) by means of a plurality of second screws (21) distributed at circumferential intervals, and all the second screws (21) are located outside the sealing ring (9).
10. The new energy vehicle charge and discharge controller according to claim 8, characterized in that: Both ends of the box cover (2) are provided with at least one positioning notch (22), and the upper end of the box body (1) is provided with positioning blocks (13) vertically corresponding to the positioning notches (22) one by one, and each positioning block (13) is engaged with the positioning notch (22) at a corresponding position.