Gland type shell structure of electric vehicle controller

Abstract

The utility model relates to the technical field of controller shells, in particular to a gland type shell structure of an electric vehicle controller, which comprises an upper shell, a lower shell, a machine core plate, a metal oxide semiconductor (MOS) tube and a sealing component, the sealing component comprises a convex sealing ring, a concave sealing ring, a mounting block and an auxiliary component, the convex sealing ring is fixedly connected with the upper shell, the concave sealing ring is fixedly connected with the lower shell, and the mounting block is fixedly connected with the lower shell. The mounting block is fixedly connected with the upper shell, and the auxiliary component is connected with the mounting block. When the upper shell is installed on the lower shell, the MOS tube is fixed on the inclined surface of the inner wall of the lower shell by the lower part of the ejector rod, so that the MOS tube can normally work to dissipate heat, and at the moment, the convex sealing ring is clamped into the concave sealing ring to fill a gap between the contact surfaces of the upper shell and the lower shell, so that the sealing performance is guaranteed; meanwhile, the mounting block and the auxiliary component fill a gap between the upper shell and the lower shell on the inner side of the lower shell, so that sealing is assisted, and the sealing performance of the shell is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to controller shell technical field especially relates to a kind of electric vehicle controller gland formula shell structure. BACKGROUND

[0002] Electric vehicle controller is provided with shell, shell can protect its inside controller movement plate, can also play the role of heat dissipation, it is favorable to the MOS tube heat dissipation on movement plate. The shell of most electric vehicle controller currently is a cavity with front and back baffle cooperation, this method is slow and low in efficiency, once heat is not dissipated, it will lead to the burnout of MOS tube.

[0003] The existing announcement No. CN207083320U discloses a kind of electric vehicle controller gland formula shell structure, including mutually cooperating, the upper shell body, lower shell body of joint connection, the upper shell body two ends are respectively set one downward bending arc-shaped sliding slot, two arc-shaped sliding slots are respectively connected with the clamping rib one, clamping rib two of the clamping rib two of the lower shell body and set up clamping, the inner wall of upper shell body is integrally connected with the top bar, and the lower part of top bar forms MOS tube pressing surface, and MOS tube pressing surface includes pressing surface one, pressing surface two, and the connecting place of pressing surface one and pressing surface two is equipped with circular arc angle, the inner wall of lower shell body is equipped with MOS tube close surface matched with MOS tube pressing surface, MOS tube close surface is obliquely arranged, and the lower end of MOS tube close surface is provided with rest step, and MOS tube is placed on rest step. Product structure is simple, reasonable, when using, it is convenient to operate, using the oblique top bar of upper shell body is pressed in the side wall of lower shell body with MOS tube, improves the heat dissipation effect of MOS tube.

[0004] However, the above-mentioned electric vehicle controller gland formula shell structure utilizes arc-shaped sliding slot and clamping rib clamping connection, and the wear of arc-shaped sliding slot and clamping rib can affect the sealing property of shell. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electric vehicle controller gland formula shell structure, solve the problem that the existing electric vehicle controller gland formula shell structure utilizes arc-shaped sliding slot and clamping rib clamping connection, and the wear of arc-shaped sliding slot and clamping rib can affect the sealing property of shell.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of electric vehicle controller gland formula shell structure, including upper shell body, lower shell body, movement plate and MOS tube, the upper shell body is clamped and connected with the lower shell body, the movement plate is located in the lower shell body, the MOS tube is connected with the movement plate, and located in the side wall of the lower shell body, the inner wall of upper shell body is integrally connected with the top bar, and the lower part of top bar forms MOS tube pressing surface, and further include sealing assembly;

[0007] The sealing assembly comprises a convex sealing ring, a concave sealing ring, a mounting block and an auxiliary member, the convex sealing ring is fixedly connected with the upper shell and located on the side of the upper shell close to the lower shell, the concave sealing ring is fixedly connected with the lower shell and engaged with the convex sealing ring, the mounting block is fixedly connected with the upper shell and located on the side of the upper shell close to the inner wall of the lower shell, and the auxiliary member is connected with the mounting block.

[0008] The auxiliary member comprises a sliding rod and a resisting block, the sliding rod is slidingly connected with the mounting block and located on the inner side of the mounting block, and the resisting block is fixedly connected with the sliding rod and located on the side of the sliding rod close to the inner wall of the lower shell.

[0009] The auxiliary member further comprises a connecting spring, two ends of the connecting spring are respectively abutted with the sliding rod and the mounting block and located in the interior of the mounting block.

[0010] The electric vehicle controller gland type shell structure further comprises a heat-conducting cloth and a heat-conducting gasket, the heat-conducting cloth is located between the MOS tube and the lower shell, and the heat-conducting gasket is located between the MOS tube and the top rod.

[0011] The surfaces of the upper shell and the lower shell are respectively provided with a plurality of heat dissipation protrusions.

[0012] The electric vehicle controller gland type shell structure of the utility model, when the upper shell is installed on the lower shell, the lower part of the top rod fixes the MOS tube on the inner wall inclined surface of the lower shell, so that the MOS tube can normally work and dissipate heat, at this time, the convex sealing ring is engaged into the concave sealing ring, fills the gap between the contact surface of the upper shell and the lower shell, guarantees the sealing property, meanwhile, the mounting block and the auxiliary member fill the gap between the upper shell and the lower shell on the inner side of the lower shell, assist sealing, guarantee the sealing property of the shell. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced.

[0014] Figure 1 is the sectional view of the electric vehicle controller gland type shell structure of the first embodiment of the utility model after assembly.

[0015] Figure 2 is the A place of the electric vehicle controller gland type shell structure of the utility model Figure 1 of the utility model.

[0016] In the figure: 101 - upper shell, 102 - lower shell, 103 - core plate, 104 - MOS tube, 105 - convex sealing ring, 106 - concave sealing ring, 107 - mounting block, 108 - sliding rod, 109 - abutting block, 110 - connecting spring, 111 - heat-conducting cloth, 112 - heat-conducting gasket, 113 - heat dissipation protrusion. DETAILED DESCRIPTION

[0017] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model and cannot be understood as limiting the utility model.

[0018] The first embodiment of the present application is:

[0019] Please refer to Figure 1 and Figure 2 , wherein, Figure 1 is the sectional view of the assembled electric vehicle controller gland type shell structure of the first embodiment of the utility model. Figure 2 is the Figure 1 enlarged view of A of the utility model.

[0020] The utility model provides a kind of electric vehicle controller gland type shell structure: including upper shell 101, lower shell 102, core plate 103, MOS tube 104, sealing assembly, heat-conducting cloth 111 and heat-conducting gasket 112, the sealing assembly includes convex sealing ring 105, concave sealing ring 106, mounting block 107 and auxiliary member, the auxiliary member includes sliding rod 108, abutting block 109 and connecting spring 110, the surface of the upper shell 101 and the lower shell 102 is respectively provided with a plurality of heat dissipation protrusions 113, the problem that the wear of arc-shaped sliding groove and card edge can affect the sealing property of shell is solved by the foregoing scheme using arc-shaped sliding groove and card edge to be connected tightly, it can be understood that the foregoing scheme can also be used to solve the problem of heat dissipation.

[0021] For the specific embodiment, the upper shell 101 is connected with the lower shell 102, the core plate 103 is located in the lower shell 102, the MOS tube 104 is connected with the core plate 103 and located in the side wall of the lower shell 102, the inner wall of the upper shell 101 is integrally connected with top rod, and the lower part of top rod forms MOS tube 104 compression surface, the upper shell 101, the lower shell 102, the core plate 103 and the MOS tube 104 are disclosed in the publication number CN207083320U, when the upper shell 101 is connected with the lower shell 102, top rod compresses the MOS tube 104 on the inner wall of the lower shell 102, and heat dissipation is carried out, which is prior art and will not be described in detail here.

[0022] The convex sealing ring 105 is fixedly connected with the upper shell 101 and located on the side of the upper shell 101 close to the lower shell 102. The concave sealing ring 106 is fixedly connected with the lower shell 102 and engaged with the convex sealing ring 105. The mounting block 107 is fixedly connected with the upper shell 101 and located on the side of the upper shell 101 close to the inner wall of the lower shell 102. The auxiliary member is connected with the mounting block 107. The convex sealing ring 105 and the concave sealing ring 106 are fixed on the contact surfaces of the upper shell 101 and the lower shell 102 respectively. When the upper shell 101 is clamped on the lower shell 102, the convex sealing ring 105 is clamped into the concave sealing ring 106 to fill the gap between the upper shell 101 and the lower shell 102. At this time, the mounting block 107 is located on the inner wall of the lower shell 102 for mounting the auxiliary member.

[0023] Secondly, the sliding rod 108 is slidingly connected with the mounting block 107 and located on the inner side of the mounting block 107. The abutting block 109 is fixedly connected with the sliding rod 108 and located on the side of the sliding rod 108 close to the inner wall of the lower shell 102. The abutting block 109 is made of rubber material and fits the inner wall of the lower shell 102 and is installed on the mounting block 107 through the sliding rod 108.

[0024] Meanwhile, the two ends of the connecting spring 110 are respectively abutted with the sliding rod 108 and the mounting block 107 and located in the interior of the mounting block 107. The elastic force of the connecting spring 110 pushes the sliding rod 108 to slide towards the inner wall of the lower shell 102, so that the abutting block 109 abuts against the inner wall of the lower shell 102 to fill the gap between the lower shell 102 and the upper shell 101.

[0025] In addition, the heat-conducting cloth 111 is located between the MOS tube 104 and the lower shell 102, and the heat-conducting gasket 112 is located between the MOS tube 104 and the top rod. The heat-conducting cloth 111 and the heat-conducting gasket 112 are both made of flexible heat-conducting material, which conducts heat for the MOS tube 104 while reducing the wear caused by hard objects.

[0026] Finally, the surfaces of the upper shell 101 and the lower shell 102 are respectively provided with a plurality of heat dissipation protrusions 113. The plurality of heat dissipation protrusions 113 transfer heat to the air to better dissipate heat and improve the heat dissipation effect.

[0027] Using the electric vehicle controller gland shell structure of the embodiment, after the upper shell 101 is clamped on the lower shell 102, the convex sealing ring 105 is clamped into the concave sealing ring 106 to fill the gap of the contact surface between the upper shell 101 and the lower shell 102. At this time, the abutting block 109 is abutted against the inner wall of the lower shell 102 due to the pushing of the connecting spring 110 to assist in filling the gap and guaranteeing the sealing property. In addition, a sealing ring is arranged on the contact surface between the side wall of the upper shell 101 and the lower shell 102 to further guarantee the sealing property of the shell and avoid the influence of the sealing property caused by the wear of the arc-shaped sliding groove and the clamping edge.

[0028] The above disclosure is only one or more preferred embodiments of the application, which cannot limit the scope of the application. Those skilled in the art can understand that the implementation of all or part of the above-mentioned embodiments and the equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A pressure-type housing structure for an electric vehicle controller, comprising an upper housing, a lower housing, a core board, and a MOSFET, wherein the upper housing and the lower housing are snap-fitted together, the core board is located inside the lower housing, the MOSFET is connected to the core board and located on the side wall of the lower housing, and a push rod is integrally connected to the inner wall of the upper housing, the lower part of the push rod forming a MOSFET pressing surface, characterized in that, It also includes sealing components; The sealing assembly includes a convex sealing ring, a concave sealing ring, a mounting block, and an auxiliary component. The convex sealing ring is fixedly connected to the upper housing and is located on the side of the upper housing near the lower housing. The concave sealing ring is fixedly connected to the lower housing and engages with the convex sealing ring. The mounting block is fixedly connected to the upper housing and is located on the side of the upper housing near the inner wall of the lower housing. The auxiliary component is connected to the mounting block.

2. The electric vehicle controller press-fit housing structure as described in claim 1, characterized in that, The auxiliary component includes a slide rod and a retaining block. The slide rod is slidably connected to the mounting block and is located inside the mounting block. The retaining block is fixedly connected to the slide rod and is located on the side of the slide rod near the inner wall of the lower housing.

3. The electric vehicle controller press-fit housing structure as described in claim 2, characterized in that, The auxiliary component also includes a connecting spring, the two ends of which abut against the slide rod and the mounting block respectively, and are located inside the mounting block.

4. The electric vehicle controller press-fit housing structure as described in claim 1, characterized in that, The electric vehicle controller press-fit housing structure also includes a thermally conductive cloth and a thermally conductive pad. The thermally conductive cloth is located between the MOS transistor and the lower housing, and the thermally conductive pad is located between the MOS transistor and the top rod.

5. The electric vehicle controller press-fit housing structure as described in claim 1, characterized in that, The surfaces of the upper housing and the lower housing each have multiple heat dissipation protrusions.

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