Electric vehicle controller with short circuit prevention structure

By designing a short-circuit-proof structure in the electric vehicle controller, and using the combination of aluminum shell and connecting seat, the problem of wire contact short-circuit is solved, and safety and structural strength are improved.

CN223142308UActive Publication Date: 2025-07-22XUZHOU TIANLI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422295476.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-07-22
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

When wiring the electric vehicle controller, the conductors are prone to contact short circuits due to vibration, resulting in leakage and overheating, and the safety is low, and the prior art is difficult to effectively prevent short circuits.

Method used

An electric vehicle controller with an anti-short circuit structure is designed, including an aluminum shell, connecting seat, threaded holes, partitions, mounting bolts and top plates. By partially partitioning the partitions and top plates in the inner groove, the wires are prevented from contacting short circuits, and external protection and structural reinforcement are used for aluminum shell and side covers.

Benefits of technology

It realizes effective short-circuit prevention processing of the wiring position of the controller, improves safety, and enhances the external protection and internal structural strength of the controller.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223142308U_ABST
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Abstract

The utility model relates to the technical field of electric vehicle accessories, and discloses an electric vehicle controller with a short circuit prevention structure, which comprises an aluminum shell, and a front cover is fixedly arranged at the bottom end of the aluminum shell. After wiring of the electric vehicle controller with the short circuit prevention structure is completed, the top plate can cover the front end of the connecting seat at the front end of the connecting seat, then mounting bolts penetrate through the interior of the top plate at the two sides of the front end of the top plate and are correspondingly screwed into the threaded holes, and then the top plate can be fixedly mounted at the front end of the connecting seat. Through the partition plates separately arranged in the inner groove and the top plate at the front end of the connecting seat, mutual wires connected to the connector lug can be separated and isolated, each group of connected wires can be independently sealed, contact short circuit between the wires is prevented, short circuit prevention treatment is conveniently carried out on the wiring position of the controller, and the reliability of the controller is improved. The problem that short circuit prevention processing is inconvenient to carry out on the wiring position of the controller is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle accessories, and particularly relates to an electric vehicle controller with a short - circuit prevention structure. Background Art

[0002] The electric vehicle controller is a core control device used to control the start, operation, forward and backward movement, speed, stop of the electric vehicle motor and other electronic devices of the electric vehicle. As the "brain" of the electric vehicle, it plays a crucial role.

[0003] However, when wiring the electric vehicle controller before installation and use, after some power connection wires are connected to the wiring terminals on the controller, since the tops of the wire connections are generally exposed outside and the distance between them is relatively close, during the vibration caused by the electric vehicle running, it is easy for adjacent two groups of connection wires to come into contact, and then leakage and short - circuit will occur. Seriously, it may lead to overheating and fire, with low safety, deficiencies, and it is not convenient to perform short - circuit prevention treatment on the wiring position of the controller.

[0004] Now, a new type of electric vehicle controller with a short - circuit prevention structure is proposed to solve the above - mentioned deficiencies. Content of the Utility Model

[0005] The purpose of the utility model is to provide an electric vehicle controller with a short - circuit prevention structure to solve the problem of inconvenient short - circuit prevention treatment at the wiring position of the controller proposed in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An electric vehicle controller with a short - circuit prevention structure, including an aluminum shell, a front cover is fixedly installed at the bottom end of the aluminum shell, a rear cover is fixedly installed at the top end of the aluminum shell, a connection seat is fixed at the bottom end of the front cover, and an inner groove is opened inside the connection seat. Wiring heads are respectively arranged on both sides at the rear end of the inner groove. A short - circuit prevention structure is arranged on the connection seat to prevent the connection wires from contacting each other during installation and causing a short - circuit.

[0007] The short - circuit prevention structure includes threaded holes, partition plates, mounting bolts and a top plate. A top plate is arranged at the front end of the connection seat, and mounting bolts are respectively arranged on both sides at the front end of the top plate. Threaded holes are respectively opened in the inner parts on both sides at the front end of the connection seat, and partition plates are respectively and fixedly arranged at intervals on both sides inside the inner groove.

[0008] Preferably, the rear end of the mounting bolt penetrates through the inside of the top plate.

[0009] Preferably, multiple groups of partition plates are fixedly arranged at equal intervals on both sides inside the inner groove.

[0010] Preferably, side covers are respectively arranged on both sides of the aluminum housing, and connecting bolts are respectively arranged at four corners on the left side of the side cover. Fixed heads are respectively welded and fixed at four corners on both sides of the aluminum housing, and screw holes are formed inside the fixed heads.

[0011] Preferably, the connecting bolts penetrate through the inside of the side cover, and the side cover is an aluminum component.

[0012] Preferably, an inner support frame is arranged inside the aluminum housing. Through holes are respectively formed at four corners at the front end inside the inner support frame. Fixed bolts are arranged at the rear ends of the through holes, and connection holes are respectively formed at four corners at the front end inside the aluminum housing.

[0013] Preferably, the front ends of the fixed bolts penetrate through the inside of the through holes. The inner support frame is an aluminum component, and three groups of slots are respectively formed inside both sides of the inner support frame.

[0014] Preferably, a control circuit board is installed and fixed at the rear end inside the aluminum housing. A connection wire harness is penetrated and installed at the middle position at the front end of the bottom of the front cover. Six groups of fault indicator lights are arranged on the right side of the bottom of the front cover. Mounting brackets are respectively fixed on both sides at the rear end of the bottom of the front cover and both sides at the rear end of the top of the rear cover.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The electric vehicle controller with a short-circuit prevention structure not only realizes the convenience of short-circuit prevention treatment for the wiring position of the controller, realizes the convenience of protecting the outside of the controller, but also realizes the convenience of supporting and strengthening the internal structure of the controller;

[0016] By providing a connection seat, a threaded hole, an inner groove, a wiring head, a partition board, a mounting bolt, and a top plate, when the controller is used for wiring, multiple wiring heads are respectively installed on both sides inside the inner groove, and can respectively correspond to some external power supply and signal connection wires for wiring in sequence. After wiring is completed, at the front end of the connection seat, the provided top plate can be covered at the front end of the connection seat. Then, by respectively using mounting bolts at both sides of the front end of the top plate to penetrate through the inside of the top plate and correspondingly screw into the threaded holes, the top plate can be fixedly installed at the front end of the connection seat. Through the partition board arranged inside the inner groove and the top plate at the front end of the connection seat, the mutual wires connected to the wiring heads can be separated and isolated, and each group of connected wires can be separately enclosed to prevent contact short-circuit between the wires, which is convenient for short-circuit prevention treatment at the wiring position of the controller and improves the safety of the controller during use;

[0017] By providing an aluminum housing, a fixed head, side covers, connecting bolts and screw holes, when the controller is in use, on both sides outside the aluminum housing, the provided side covers can be installed and fixed on the outside of the aluminum housing by using the connecting bolts and screw holes. Then, through the two sets of side covers provided, anti-collision protection can be provided for the outside of the controller, reducing damage to the outside of the controller;

[0018] By providing an aluminum housing, an inner support frame, fixing bolts, connecting holes, slots and through holes, when the controller is in use, the fixing bolts can be placed inside the aluminum housing. Then, after passing four groups of fixing bolts through the inside of the through holes at the four corners at the front end inside the fixing bolts and correspondingly screwing them into the connecting holes, the fixing bolts can be installed and fixed inside the aluminum housing. Through the provided inner support frame, the structure inside the aluminum housing can be supported and strengthened, improving the structural strength of the controller and also providing better protection for the control circuit board installed inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front sectional structural schematic diagram of the present utility model;

[0020] Figure 2 is a bottom view structural schematic diagram of the front cover of the present utility model;

[0021] Figure 3 is a bottom view structural schematic diagram of the aluminum housing of the present utility model;

[0022] Figure 4 is a three-dimensional structural schematic diagram of the inner support frame of the present utility model.

[0023] In the figure: 1, front cover; 2, aluminum housing; 3, rear cover; 4, mounting bracket; 5, fixed head; 6, connecting seat; 7, threaded hole; 8, inner groove; 9, wiring head; 10, partition; 11, connecting wire harness; 12, fault indicator light; 13, mounting bolt; 14, top plate; 15, side cover; 16, connecting bolt; 17, screw hole; 18, inner support frame; 19, fixing bolt; 20, connecting hole; 21, control circuit board; 22, slot; 23, through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1: Please refer to Figures 1-4, an electric vehicle controller with a short - circuit prevention structure, including an aluminum housing 2, characterized in that: a front cover 1 is fixedly installed at the bottom end of the aluminum housing 2, a rear cover 3 is fixedly installed at the top end of the aluminum housing 2, a connection seat 6 is fixed at the bottom end of the front cover 1, and an inner groove 8 is provided inside the connection seat 6. On both sides of the rear end inside the inner groove 8, connection terminals 9 are respectively arranged. A short - circuit prevention structure for preventing the connection wires from contacting each other during installation and causing a short - circuit is arranged on the connection seat 6;

[0026] The short - circuit prevention structure includes threaded holes 7, partition plates 10, mounting bolts 13 and a top plate 14. A top plate 14 is arranged at the front end of the connection seat 6, and mounting bolts 13 are respectively arranged on both sides of the front end of the top plate 14. Threaded holes 7 are respectively opened inside both sides of the front end of the connection seat 6. Partition plates 10 are respectively and fixedly arranged at intervals on both sides inside the inner groove 8. The rear ends of the mounting bolts 13 penetrate through the inside of the top plate 14, and multiple groups of partition plates 10 are fixedly arranged at equal intervals on both sides inside the inner groove 8;

[0027] Specifically, as Figure 1 and Figure 2 shown, after wiring is completed, at the front end of the connection seat 6, the top plate 14 can be covered on the front end of the connection seat 6. Then, the mounting bolts 13 are respectively used to penetrate through the inside of the top plate 14 on both sides of the front end of the top plate 14 and are correspondingly screwed into the threaded holes 7 to fixedly install the top plate 14 at the front end of the connection seat 6. The partition plates 10 arranged separately inside the inner groove 8 and the top plate 14 at the front end of the connection seat 6 can separate and isolate the mutual wires connected to the connection terminals 9, and separately enclose each group of connected wires to prevent contact short - circuit between the wires. The set top plate 14 is made of transparent acrylic material, which is more beautiful.

[0028] Embodiment 2: Side covers 15 are respectively arranged on both sides of the aluminum housing 2, and connection bolts 16 are respectively arranged at the four corners on the left side of the side cover 15. Fixed heads 5 are respectively welded and fixed at the four corners on both sides of the aluminum housing 2, and screw holes 17 are provided inside the fixed heads 5. The connection bolts 16 penetrate through the inside of the side cover 15, and the side cover 15 is an aluminum component;

[0029] Specifically, as Figure 1 and Figure 3 shown, on both sides outside the aluminum housing 2, the provided side covers 15 can be installed and fixed on the outside of the aluminum housing 2 by using the connection bolts 16 and the screw holes 17 to provide external anti - collision protection for the outside of the controller.

[0030] Embodiment 3: An inner support frame 18 is provided inside the aluminum housing 2. Through holes 23 are respectively formed at the four corners at the front end inside the inner support frame 18. A fixing bolt 19 is provided at the rear end of the through hole 23. Connecting holes 20 are respectively formed at the four corners at the front end inside the aluminum housing 2. The front end of the fixing bolt 19 penetrates through the inside of the through hole 23. The inner support frame 18 is an aluminum component, and three groups of slotted openings 22 are respectively formed inside both sides of the inner support frame 18;

[0031] Specifically, as Figure 1 , Figure 3 and Figure 4 shown, after the fixing bolt 19 is placed inside the aluminum housing 2, then four groups of fixing bolts 19 are respectively used at the four corners at the front end inside the fixing bolt 19 to penetrate through the inside of the through hole 23 and are correspondingly screwed into the connecting hole 20, and then the fixing bolt 19 can be installed and fixed inside the aluminum housing 2. The inner support frame 18 provided can assist in supporting and strengthening the structure inside the aluminum housing 2.

[0032] A control circuit board 21 is installed and fixed at the rear end inside the aluminum housing 2. A connecting wire harness 11 is installed through the middle position at the front end of the bottom of the front cover 1. Six groups of fault indicator lights 12 are provided on the right side of the bottom of the front cover 1. Mounting brackets 4 are respectively fixed on both sides at the rear end of the bottom of the front cover 1 and both sides at the rear end of the top of the rear cover 3.

[0033] Working principle: When the present utility model is in use, multiple wiring terminals 9 are respectively installed on both sides inside the inner groove 8, and can be respectively connected to some external power supplies and signal connecting wires in sequence. After the wiring is completed, at the front end of the connecting seat 6, the provided top plate 14 can be covered on the front end of the connecting seat 6, and then the mounting bolts 13 are respectively used on both sides at the front end of the top plate 14 to penetrate through the inside of the top plate 14 and are correspondingly screwed into the threaded holes 7, and then the top plate 14 can be fixedly installed on the front end of the connecting seat 6. Through the partition plate 10 separately arranged inside the inner groove 8 and the top plate 14 at the front end of the connecting seat 6, the mutual wires connected to the wiring terminals 9 can be separated and isolated, and each group of connected wires can be separately enclosed to prevent short - circuit between the wires. At the same time, when the controller is in use, after the fixing bolt 19 is placed inside the aluminum housing 2, then four groups of fixing bolts 19 are respectively used at the four corners at the front end inside the fixing bolt 19 to penetrate through the inside of the through hole 23 and are correspondingly screwed into the connecting hole 20, and then the fixing bolt 19 can be installed and fixed inside the aluminum housing 2. The inner support frame 18 provided can assist in supporting and strengthening the structure inside the aluminum housing 2, and the side covers 15 provided can be installed and fixed on the outside of the aluminum housing 2 by using the connecting bolts 16 and the screw holes 17 on both sides outside the aluminum housing 2, so as to provide external anti - collision protection for the controller.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. An electric vehicle controller with a short-circuit prevention structure, comprising an aluminum housing (2), characterized in that: A front cover (1) is fixedly installed at the bottom end of the aluminum shell (2), and a rear cover (3) is fixedly installed at the top end of the aluminum shell (2). A connecting seat (6) is fixed at the bottom end of the front cover (1), and an inner groove (8) is formed inside the connecting seat (6). On both sides of the rear end inside the inner groove (8), connection terminals (9) are respectively arranged. A short-circuit prevention structure is arranged on the connecting seat (6) to prevent the connecting wires from contacting each other during installation and causing a short circuit. The short-circuit prevention structure includes threaded holes (7), partition plates (10), mounting bolts (13) and a top plate (14). A top plate (14) is arranged at the front end of the connecting seat (6), and mounting bolts (13) are respectively arranged on both sides of the front end of the top plate (14). Threaded holes (7) are respectively formed inside both sides of the front end of the connecting seat (6), and partition plates (10) are respectively and fixedly arranged at intervals on both sides inside the inner groove (8).

2. The electric vehicle controller with a short - circuit prevention structure according to claim 1, wherein: The rear end of the mounting bolt (13) penetrates through the inside of the top plate (14).

3. An electric vehicle controller with a short-circuit prevention structure according to claim 1, characterized in that: The partition plates (10) are respectively and equidistantly fixed in multiple groups on both sides inside the inner groove (8).

4. An electric vehicle controller with a short - circuit prevention structure according to claim 1, characterized in that: Side covers (15) are respectively arranged on both sides of the aluminum shell (2), and connecting bolts (16) are respectively arranged at the four corners on the left side of the side cover (15). Fixed heads (5) are respectively welded and fixed at the four corners on both sides of the aluminum shell (2), and screw holes (17) are formed inside the fixed heads (5).

5. The electric vehicle controller with a short - circuit prevention structure according to claim 4, characterized in that: The connecting bolts (16) penetrate through the inside of the side cover (15), and the side cover (15) is an aluminum component.

6. The electric vehicle controller with a short - circuit prevention structure according to claim 1, characterized in that: An inner support frame (18) is arranged inside the aluminum shell (2). Through holes (23) are respectively formed at the four corners of the front end inside the inner support frame (18). Fixing bolts (19) are arranged at the rear ends of the through holes (23), and connection holes (20) are respectively formed at the four corners of the front end inside the aluminum shell (2).

7. The electric vehicle controller with a short-circuit prevention structure according to claim 6, wherein: The front end of the fixing bolt (19) penetrates through the inside of the through hole (23). The inner support frame (18) is an aluminum component, and three groups of slots (22) are respectively formed inside both sides of the inner support frame (18).

8. The electric vehicle controller with a short-circuit prevention structure according to claim 1, wherein: A control circuit board (21) is fixedly installed at the rear end inside the aluminum shell (2). A connecting wire harness (11) is penetrated and installed at the middle position of the front end of the bottom of the front cover (1). Six groups of fault indicator lights (12) are arranged on the right side of the bottom of the front cover (1). Mounting brackets (4) are respectively fixed at both sides of the rear end of the bottom of the front cover (1) and both sides of the rear end of the top of the rear cover (3).