Heat dissipation structure of electric vehicle controller shell

Abstract

The utility model relates to the technical field of heat dissipation structures, in particular to an electric vehicle controller shell heat dissipation structure, which comprises a shell body, mounting racks and a heat dissipation piece, the mounting racks are fixedly mounted at two ends of the shell body through bolts, the heat dissipation piece is mounted at the bottom of an inner cavity of the shell body, and the electric vehicle controller shell heat dissipation structure further comprises a cold liquid heat dissipation device. The cold liquid heat dissipation device comprises a cold liquid water tank, a water inlet pipe, a water outlet pipe and a heat dissipation pipeline assembly, the cold liquid water tank is fixedly connected with the shell body and located at the top of the shell body, one end of the water inlet pipe is in threaded connection with a water outlet of the cold liquid water tank, and the other end of the water inlet pipe is connected with a water inlet of the heat dissipation pipeline assembly; one end of the water outlet pipe is in threaded connection with a water inlet of the cold liquid water tank, the other end of the water outlet pipe is connected with a water outlet of the heat dissipation pipeline assembly, the heat dissipation pipeline assembly is installed at the bottom of the heat dissipation piece, heat of the heat dissipation piece is taken away through flowing of cooling liquid, and the heat dissipation effect of the electric vehicle controller shell is improved.

Description

TECHNICAL FIELD

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

[0002] Electric vehicle controller is used to control the start, operation, advance and retreat, speed, stop of electric motor car and the core control device of other electronic devices of electric motor car, it is like the brain of electric motor car, is important component on electric motor car;Electric vehicle controller needs to be quickly cooled by heat dissipation structure when working, and the existing heat dissipation structure cannot quickly cool the effect of controller when in use, and the heat is easily transferred to the controller shell when electric vehicle controller is used, and the shell cannot be assisted cooling.

[0003] Prior art CN218977161U discloses a kind of electric vehicle controller shell heat dissipation structure, including fixed mechanism;Fixed mechanism is the heat dissipation structure body, main body is rectangular structure;Installation mechanism is installed in the both sides of fixed mechanism;The heat dissipation piece on heat dissipation mechanism is in the inner cavity inside on fixed mechanism;Moving mechanism is installed in fixed mechanism interior;Cylindrical protrusion on guide rod is connected with the bottom of mounting piece by spring.Electric vehicle is generated when driving Vibration makes mounting piece drive main body to move up and down, and the heat dissipation groove equipped on the top of main body not only can the heat of inner cavity inside play the effect of heat dissipation, and main body is set to aluminum material, can play the effect of better heat dissipation, and when mounting piece drives main body to move, through the spring on guide rod is compressed, so that mounting piece drives main body to move, to can the effect of auxiliary cooling of shell is played.

[0004] But in the above-mentioned technology, the shell is sealed and installed by the installation mechanism at both ends, the air in the shell cavity cannot exchange with external air, which can cause the temperature in the shell cavity to rise rapidly, affecting the continuous cooling effect of the controller. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electric vehicle controller shell heat dissipation structure, solve the problem that the air in the shell cavity cannot exchange with external air in prior art, which can cause the temperature in the shell cavity to rise rapidly, affecting the continuous cooling effect of the controller.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of electric vehicle controller shell heat dissipation structure, including shell body, mounting bracket and heat dissipation piece, the both ends of the shell body are fixedly installed with the mounting bracket by bolt, the heat dissipation piece is installed in the inner cavity bottom of the shell body,

[0007] Further comprising cold liquid heat dissipation device;

[0008] The cold liquid heat dissipation device comprises a cold liquid tank, a water inlet pipe, a water outlet pipe and a heat dissipation pipe assembly, the cold liquid tank is fixedly connected with the shell body and is located at the top of the shell body, one end of the water inlet pipe is threadedly connected with a water outlet of the cold liquid tank, the other end of the water inlet pipe is connected with a water inlet of the heat dissipation pipe assembly, one end of the water outlet pipe is threadedly connected with a water inlet of the cold liquid tank, the other end of the water outlet pipe is connected with a water outlet of the heat dissipation pipe assembly, and the heat dissipation pipe assembly is installed at the bottom of the heat dissipation member.

[0009] The heat dissipation pipe assembly comprises a heat dissipation pipe and two threaded joints, the heat dissipation pipe is fixedly connected with the heat dissipation member through buckling and is located at the bottom of the heat dissipation member, and the two threaded joints are fixedly connected with the heat dissipation pipe and are located at a water inlet and a water outlet of the heat dissipation pipe.

[0010] The mounting frame has two through holes, the two through holes pass through the mounting frame and are matched with the heat dissipation pipe.

[0011] The cold liquid heat dissipation device further comprises two fans, the two fans are fixedly connected with the shell body and are located at the bottom of the shell body.

[0012] The bottom of the shell body is provided with two mounting heat dissipation holes, the two mounting heat dissipation holes are arranged at the bottom of the shell body and are matched with the two fans.

[0013] The heat dissipation structure of the electric vehicle controller shell of the utility model, first the heat dissipation member carries out heat dissipation, simultaneously through the water pump in the cold liquid tank, the cooling liquid is input into the heat dissipation pipe assembly through the water outlet pipe, through the cooling liquid that flows through the heat dissipation pipe assembly, through the flow of cooling liquid, the heat in the heat dissipation member and shell body is taken away, then the cooling liquid that temperature is high is output from the water outlet of the heat dissipation pipe assembly, and flows back to the cold liquid tank from the water inlet pipe, so that the heat of the cooling liquid is taken away through the cold liquid heat dissipation device, and the heat dissipation effect of the electric vehicle controller shell is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] 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.

[0015] Figure 1 It is the structure diagram of the heat dissipation structure of the electric vehicle controller shell of the utility model.

[0016] Figure 2 It is the bottom view of the heat dissipation structure of the electric vehicle controller shell of the utility model.

[0017] Figure 3 is the connecting structure schematic view of the electric vehicle controller shell heat dissipation structure of the utility model.

[0018] Figure 4 is the connecting structure schematic view of the cold liquid heat dissipation device and the heat dissipation piece of the utility model.

[0019] In the drawing: 101 - shell body, 102 - mounting frame, 103 - heat dissipation piece, 104 - cold liquid water tank, 105 - water inlet pipe, 106 - water outlet pipe, 107 - heat dissipation row pipe, 108 - threaded joint, 109 - through hole, 110 - fan, 111 - installation heat dissipation hole. DETAILED DESCRIPTION

[0020] The embodiment of the utility model is described in detail below, the example of the embodiment is shown in the drawing, the embodiment described below by referring to the drawing is exemplary, and it is intended to explain the utility model, and it can not be understood as the limitation of the utility model.

[0021] Please refer to Figures 1 to 4 , wherein Figure 1 is the structure schematic view of the electric vehicle controller shell heat dissipation structure of the utility model, Figure 2 is the bottom view of the electric vehicle controller shell heat dissipation structure of the utility model, Figure 3 is the connecting structure schematic view of the electric vehicle controller shell heat dissipation structure of the utility model, Figure 4 is the connecting structure schematic view of the cold liquid heat dissipation device and the heat dissipation piece of the utility model.

[0022] The utility model discloses a kind of electric vehicle controller shell heat dissipation structure: including shell body 101, mounting frame 102, heat dissipation piece 103 and cold liquid heat dissipation device, the cold liquid heat dissipation device includes cold liquid water tank 104, water inlet pipe 105, water outlet pipe 106 and heat dissipation pipe assembly, the heat dissipation pipe assembly includes heat dissipation row pipe 107 and two threaded joints 108, the mounting frame 102 has two through holes 109, the cold liquid heat dissipation device further includes two fans 110, the bottom of the shell body 101 is equipped with two installation heat dissipation holes 111.It is solved that air in the cavity of shell in prior art cannot exchange with external air, and it can cause the temperature of the cavity of shell to rise faster, the problem of affecting the sustained heat dissipation effect of controller by the foregoing scheme;It can be understood that the foregoing scheme can use cooling liquid flow to take away the heat of heat dissipation piece 103 by the cold liquid heat dissipation device, improve the heat dissipation effect of electric vehicle controller shell.

[0023] In the embodiment, the mounting frame 102 is fixedly installed on both ends of the shell body 101 by bolts, and the heat dissipation member 103 is installed at the bottom of the inner cavity of the shell body 101. The shell body 101 has a rectangular structure, and a circular hole is arranged at the bottom of the shell body 101 for mounting the heat dissipation member 103. Two mounting frames 102 are respectively detachably installed on both sides of the opening of the shell body 101 by bolts, and the mounting frames 102 are used to fixedly install the heat dissipation structure of the electric vehicle controller shell. The heat dissipation member 103 is installed at the lower end of the inner cavity of the shell body 101, and the upper end of the partition plate of the inner cavity of the shell body 101 is used to mount the electric vehicle controller. The temperature in the inner cavity of the shell body 101 is reduced by the heat dissipation member 103.

[0024] The cold liquid tank 104 is fixedly connected with the shell body 101 and located at the top of the shell body 101, one end of the water inlet pipe 105 is threadedly connected with the water outlet of the cold liquid tank 104, the other end of the water inlet pipe 105 is connected with the water inlet of the heat dissipation pipe assembly, one end of the water outlet pipe 106 is threadedly connected with the water inlet of the cold liquid tank 104, the other end of the water outlet pipe 106 is connected with the water outlet of the heat dissipation pipe assembly, and the heat dissipation pipe assembly is installed at the bottom of the heat dissipation piece 103. The cold liquid tank 104 is fixedly installed at one end of the top of the shell body 101, the cold liquid tank 104 is used for storing cooling liquid, the top of the cold liquid tank 104 is sealably openable, the cooling liquid can be conveniently supplemented and replaced regularly, the cold liquid tank 104 is provided with a water outlet and a water inlet at one side, the water outlet is fixedly connected with the water outlet pipe 106, the other end of the water outlet pipe 106 is connected with the water inlet of the heat dissipation pipe assembly, the water inlet of the cold liquid tank 104 is fixedly connected with the water inlet pipe 105, the lower end of the water inlet pipe 105 is connected with the water outlet of the heat dissipation pipe assembly, the cold liquid tank 104, the water inlet pipe 105, the water outlet pipe 106 and the heat dissipation pipe assembly are communicated to form a loop, the heat dissipation pipe assembly is fixedly installed at the bottom of the heat dissipation piece 103 by buckling, and the cooling liquid is provided with an extended flow condition by the heat dissipation pipe assembly; therefore, when the electric vehicle controller shell heat dissipation structure performs heat dissipation operation, the heat dissipation piece 103 performs heat dissipation, at the same time, the cooling liquid in the cold liquid tank 104 is input into the heat dissipation pipe assembly through the water outlet pipe 106 by a water pump in the cold liquid tank 104, the cooling liquid flows through the heat dissipation pipe assembly, the heat of the heat dissipation piece 103 and the shell body 101 is taken away by the flow of the cooling liquid, then the cooling liquid with high temperature is output from the water outlet of the heat dissipation pipe assembly, flows back to the cold liquid tank 104 from the water inlet pipe 105, so that the heat of the heat dissipation piece 103 is taken away by the flow of the cooling liquid through the cold liquid heat dissipation device, and the heat dissipation effect of the electric vehicle controller shell is improved.

[0025] Second, the heat dissipation pipe 107 and the heat dissipation piece 103 are fixedly connected through buckling, and are located at the bottom of the heat dissipation piece 103; two threaded joints 108 are fixedly connected with the heat dissipation pipe 107, and are located at the water inlet and the water outlet of the heat dissipation pipe 107. Two through holes 109 pass through the mounting frame 102 and cooperate with the heat dissipation pipe 107. The heat dissipation pipe 107 is fixedly installed at the bottom of the heat dissipation piece 103 in a bent arrangement, and the flow distance and time of the cooling liquid are prolonged through the arrangement of the heat dissipation pipe 107, so that the heat dissipation effect is increased. The water inlet end and the water outlet end of the heat dissipation pipe 107 are located at one end of the shell body 101 and are close to one end of the mounting frame 102 with two through holes 109, and the water inlet end and the water outlet end of the heat dissipation pipe 107 pass through the two through holes 109 located at the two ends of the mounting frame 102 respectively, and the threaded joints 108 are arranged on the water inlet end and the water outlet end of the heat dissipation pipe 107. The threaded joints 108 are used for detachably connecting the heat dissipation pipe 107 with the water inlet pipe 105 and the water outlet pipe 106, so that maintenance is facilitated.

[0026] Meanwhile, two fans 110 are fixedly connected with the shell body 101 and are located at the bottom of the shell body 101. Two mounting heat dissipation holes 111 are arranged at the bottom of the shell body 101 and cooperate with the two fans 110. The mounting heat dissipation holes 111 are symmetrically arranged at the two ends of the bottom of the shell body 101, so as to provide mounting conditions for the two fans 110, and the two mounting heat dissipation holes 111 can improve the heat dissipation effect of the shell body 101. The rotation of the two fans 110 increases the air circulation in the inner cavity of the shell body 101, further carries away part of the heat, and improves the heat dissipation effect.

[0027] When the electric vehicle controller shell heat dissipation structure is used, the heat dissipation piece 103 is used for heat dissipation, the water pump in the cold liquid tank 104 is used for inputting the cooling liquid into the heat dissipation pipe assembly through the water outlet pipe 106, the cooling liquid flows through the heat dissipation pipe assembly, the heat of the heat dissipation piece 103 and the shell body 101 is carried away through the flow of the cooling liquid, then the cooling liquid with high temperature is output from the water outlet of the heat dissipation pipe assembly, and flows back into the cold liquid tank 104 from the water inlet pipe 105. Thus, the cold liquid heat dissipation device is used for carrying away the heat of the heat dissipation piece 103 through the flow of the cooling liquid, and the heat dissipation effect of the electric vehicle controller shell is improved.

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

Claims

1. A heat dissipation structure for an electric vehicle controller housing, comprising a housing body, a mounting bracket, and a heat dissipation component, wherein the mounting bracket is fixedly mounted on both ends of the housing body by bolts, and the heat dissipation component is installed at the bottom of the inner cavity of the housing body, characterized in that, It also includes a liquid cooling system; The coolant cooling device includes a coolant tank, an inlet pipe, an outlet pipe, and a cooling pipe assembly. The coolant tank is fixedly connected to the outer shell and located on top of the outer shell. One end of the inlet pipe is threaded to the outlet of the coolant tank, and the other end of the inlet pipe is connected to the inlet of the cooling pipe assembly. One end of the outlet pipe is threaded to the inlet of the coolant tank, and the other end of the outlet pipe is connected to the outlet of the cooling pipe assembly. The cooling pipe assembly is installed at the bottom of the heat sink.

2. The heat dissipation structure for the electric vehicle controller housing as described in claim 1, characterized in that, The heat dissipation pipe assembly includes a heat dissipation pipe and two threaded joints. The heat dissipation pipe is fixedly connected to the heat dissipation component by a snap fastener and is located at the bottom of the heat dissipation component. The two threaded joints are fixedly connected to the heat dissipation pipe and are located at the inlet and outlet of the heat dissipation pipe.

3. The heat dissipation structure for the electric vehicle controller housing as described in claim 2, characterized in that, The mounting bracket has two through holes that pass through the mounting bracket and cooperate with the heat dissipation pipe.

4. The heat dissipation structure for the electric vehicle controller housing as described in claim 1, characterized in that, The coolant cooling device also includes two fans, both of which are fixedly connected to the outer casing and located at the bottom of the outer casing.

5. The heat dissipation structure for the electric vehicle controller housing as described in claim 4, characterized in that, The bottom of the housing body is provided with two heat dissipation holes, which are located at the bottom of the housing body and cooperate with the two fans.

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