Controller
By using thermally conductive silicone pads and through-hole potting with thermally conductive silicone in the controller, the problem of poor heat dissipation under high waterproof performance requirements was solved, achieving more efficient heat dissipation and overall performance improvement.
Patent Information
- Application Number
- CN202520316031.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing controllers, while requiring high waterproofing performance, suffer from poor heat dissipation, making it difficult to meet the needs of the complex operating environment in the electric vehicle sharing industry.
Thermally conductive silicone pads are used to connect to the circuit board. Thermally conductive silicone pillars are formed by filling through holes with thermally conductive silicone. Combined with snap rings and fasteners, a tight connection between the circuit board and the housing is achieved, improving heat dissipation efficiency.
It effectively improves the controller's heat dissipation performance, meets waterproof and vibration resistance requirements, and enhances the overall performance of the controller.
Smart Images

Figure CN223928631U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electronic control especially relates to a controller. BACKGROUND
[0002] The controller technology features commonly used at the present stage: in the current electric sharing industry, the use environment is very complex. The outdoor conditions are various. The utilization space in the vehicle body is relatively small. Therefore, the controller must be small, and the internal wiring harness also occupies a certain space, so the controller structure design and performance requirements are relatively high, and the waterproof performance requirements are higher, such as IP68 or above. UTILITY MODEL CONTENTS
[0003] The utility model aims at providing a controller to alleviate the technical problems that the controller has high waterproof requirements and leads to poor heat dissipation of the controller.
[0004] The utility model provides a kind of controller, including controller main body, the controller main body includes upper shell and lower shell;Mounting cavity is provided in the lower shell, and the upper shell is set on the lower shell;
[0005] Card spring, circuit board and heat-conducting silica gel pad are sequentially arranged from top to bottom in the mounting cavity;The heat-conducting silica gel pad is in abutment with the lower shell, the circuit board is arranged on the heat-conducting silica gel pad, and the card spring is arranged on circuit board;
[0006] A plurality of through holes are provided on the circuit board, and heat-conducting silica gel is filled in the mounting cavity;After the heat-conducting silica gel passes through the through hole, it is connected with the heat-conducting silica gel pad and forms a heat-conducting silica gel column.
[0007] In optional implementation, the circuit board is provided with a mounting seat, and a plurality of socket terminals are arranged on the mounting seat;And the mounting seat extends to the outside of the upper shell, and the socket terminals are located outside the controller main body.
[0008] In optional implementation, the upper shell is provided with a mounting port matched with the mounting seat.
[0009] In optional implementation, a plurality of power components are arranged on the circuit board, and the plurality of power components are welded to the upper end surface of the circuit board.
[0010] The plurality of power components are arranged in multiple pairs, and the welding position of each pair of power components and the circuit board is located away from the adjacent power components.
[0011] In optional implementation, the card spring has a plurality of elastic abutment portions, and each elastic abutment portion is in abutment with a power component.
[0012] In an optional embodiment, at least two first fasteners are arranged on the clamping spring, and the first fasteners are connected with the lower shell; the first fasteners keep the elastic abutting portion in elastic deformation.
[0013] In an optional embodiment, six power components are arranged on the circuit board, and six elastic abutting portions are arranged on the clamping spring.
[0014] In an optional embodiment, the lower shell is made of aluminum.
[0015] The circuit board in the controller main body of the controller is provided with a through hole, when the heat-conducting silica gel is filled in the installation cavity, the heat-conducting silica gel is connected with the heat-conducting silica gel pad through the through hole, so that the circuit board is connected with the heat-conducting silica gel pad through the heat-conducting silica gel column, which is conducive to the connection of the circuit board with the heat-conducting silica gel pad through the heat-conducting silica gel main body, and is conducive to the heat dissipation of the circuit board and improves the heat dissipation efficiency of the controller. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0017] Figure 1 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure;
[0018] Figure 2 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure; Figure 1 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure;
[0019] Figure 3 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure; Figure 1 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure;
[0020] Figure 4 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure; Figure 1 The structural schematic diagram of the clamping spring of the controller provided by the utility model embodiment is shown in the figure;
[0021] Figure 5 The structural schematic diagram of the lower shell of the controller provided by the utility model embodiment is shown in the figure; Figure 1 The structural schematic diagram of the lower shell of the controller provided by the utility model embodiment is shown in the figure;
[0022] Figure 6 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure;
[0023] Figure 7 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure; Figure 6 The structural schematic diagram of the controller provided by the utility model embodiment is shown in the figure.
[0024] Icon: 100 - upper housing; 200 - lower housing; 300 - mounting seat; 400 - spigot terminal; 500 - circlip; 501 - elastic abutting portion; 600 - circuit board; 601 - through hole; 700 - heat-conducting silica gel pad; 800 - power component; 900 - first fastener; 110 - external terminal; 120 - wire harness. DETAILED DESCRIPTION
[0025] The terms "first", "second", "third", etc. are only used for differentiation and description, and do not represent the arrangement sequence number, and cannot be understood as indicating or implying relative importance.
[0026] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0027] In the description of the present application, it should be noted that the terms "inner", "outer", "left", "right", "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0028] In the description of the present application, unless otherwise explicitly specified and limited, the terms "arrangement", "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements.
[0029] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings.
[0030] Embodiments
[0031] Reference Figures 1-7 The utility model provides a kind of controller, including controller main body, the controller main body includes upper housing 100 and lower housing 200;Mounting cavity is provided in the lower housing 200, and the upper housing 100 is arranged on the lower housing 200;
[0032] A clamping spring 500, a circuit board 600 and a heat-conducting silica gel pad 700 are sequentially arranged in the mounting cavity from top to bottom; the heat-conducting silica gel pad 700 is in abutment with the lower shell 200, the circuit board 600 is arranged on the heat-conducting silica gel pad 700, and the clamping spring 500 is arranged on the circuit board 600.
[0033] A plurality of through holes 601 are arranged on the circuit board 600, and the mounting cavity is filled with heat-conducting silica gel; the heat-conducting silica gel is connected with the heat-conducting silica gel pad 700 through the through holes 601 and forms a heat-conducting silica gel column.
[0034] In some embodiments, the upper shell 100 of the controller body is generally made of plastic, and the lower shell 200 is made of aluminum alloy; the heat-conducting silica gel pad 700 is in abutment with the lower shell 200, so that the heat-conducting silica gel pad 700 can effectively dissipate heat through the lower shell 200 and improve the heat dissipation efficiency; and the heat-conducting silica gel completely covers the circuit board 600 and plays a role of heat dissipation, waterproofing and vibration prevention.
[0035] The lower shell 200 is provided with a mounting cavity, and the heat-conducting silica gel pad 700 is arranged at the bottom of the mounting cavity and is in close abutment with the lower shell 200; the circuit board 600 is arranged on the heat-conducting silica gel pad 700, and the clamping spring 500 is arranged on the circuit board 600.
[0036] The lower shell 200 and the upper shell 100 are connected in a detachable manner; preferably, the upper shell 100 and the lower shell 200 are clamped together; a plurality of clamping holes are arranged on the upper shell 100, and a plurality of clamping protrusions corresponding to the clamping holes are arranged on the lower shell 200; the clamping protrusions of the lower shell 200 are inserted into the clamping holes of the upper shell 100, so that the upper shell 100 and the lower shell 200 are connected.
[0037] Referring to Figure 1 and Figure 3 In an optional embodiment, the circuit board 600 is provided with a mounting seat 300, and a plurality of jack terminals 400 are arranged on the mounting seat 300; and the mounting seat 300 extends out of the upper shell 100, and the jack terminals 400 are located outside the controller body.
[0038] Referring to Figure 6 and Figure 7 In an optional embodiment, the upper shell 100 is provided with a mounting opening matched with the mounting seat 300.
[0039] In some embodiments, the mounting seat 300 is provided with a plurality of socket terminals 400, generally six socket terminals 400 are provided on the mounting seat 300; the upper shell 100 is provided with a mounting port, which corresponds to the mounting seat 300 when the upper shell 100 is mounted on the lower shell 200; the socket terminals 400 are exposed, the external terminal 110 is inserted on the socket terminals 400, and the wire harness 120 is provided on the external terminal 110.
[0040] The upper shell 100 is also provided with a clamping groove, and the wire harness 120 is clamped in the clamping groove, thereby limiting the movement of the wire harness 120, and further preventing the external terminal 110 from being removed from the socket terminal 400.
[0041] In an optional embodiment, the circuit board 600 is provided with a plurality of power components 800, and the plurality of power components 800 are welded to the upper end face of the circuit board 600.
[0042] The plurality of power components 800 are arranged in pairs, and the welding position of each pair of power components 800 to the circuit board 600 is located away from the adjacent power component 800.
[0043] Referring to Figure 4 In an optional embodiment, the circlip 500 has a plurality of elastic abutting portions 501, and each elastic abutting portion 501 abuts against one power component 800.
[0044] In an optional embodiment, the circlip 500 is provided with at least two first fasteners 900, and the first fasteners 900 are connected to the lower shell 200; the first fasteners 900 keep the elastic abutting portion 501 in elastic deformation.
[0045] In an optional embodiment, the circuit board 600 is provided with six power components 800, and the circlip 500 is provided with six elastic abutting portions 501.
[0046] In some embodiments, the circuit board 600 is provided with a plurality of power components 800, generally six power components 800 are provided on the circuit board 600, and the six power components are arranged in two columns, each column has three power components 800, and the two columns of power components 800 are symmetrically arranged.
[0047] The circlip 500 has six elastic abutting portions 501, and each power component 800 corresponds to one elastic abutting portion 501; the elastic abutting portion 501 abuts against the power component 800, so that the elastic abutting portion 501 is elastically deformed, and further the power component 800 abuts against the circuit board 600.
[0048] The first fastener 900 is generally a screw, and the first fastener 900 is inserted into the card spring 500 at an end away from the lower shell 200 and is screwed with the lower shell 200; a connecting column is arranged on the lower shell 200, and the connecting column has a threaded hole, and the first fastener 900 is screwed into the threaded hole of the connecting column.
[0049] The number of the first fasteners 900 is not limited to two, and can be four, six or other numbers.
[0050] The through hole 601 is arranged on the circuit board 600 in the controller main body of the controller, when the heat-conducting silica gel is filled in the installation cavity, the heat-conducting silica gel is connected with the heat-conducting silica gel pad 700 through the through hole 601, so that the circuit board 600 is connected with the heat-conducting silica gel pad 700 through the heat-conducting silica gel column, which is beneficial to the connection of the circuit board 600 with the heat-conducting silica gel pad 700 through the heat-conducting silica gel main body, and is beneficial to the heat dissipation of the circuit board 600 and improves the heat dissipation efficiency of the controller.
[0051] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and are not limited to them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. A controller characterized by comprising: The controller body comprises an upper shell (100) and a lower shell (200), and a mounting cavity is arranged in the lower shell (200); A clamping spring (500), a circuit board (600) and a heat-conducting silica gel pad (700) are sequentially arranged in the mounting cavity from top to bottom; the heat-conducting silica gel pad (700) abuts against the lower shell (200), the circuit board (600) is arranged on the heat-conducting silica gel pad (700), and the clamping spring (500) is arranged on the circuit board (600); A plurality of through holes (601) are arranged on the circuit board (600), and the mounting cavity is filled with heat-conducting silica gel, which is connected with the heat-conducting silica gel pad (700) through the through holes (601) and forms a heat-conducting silica gel column.
2. The controller of claim 1, wherein, A mounting seat (300) is arranged on the circuit board (600), a plurality of socket terminals (400) are arranged on the mounting seat (300), the mounting seat (300) extends out of the upper shell (100), and the socket terminals (400) are located outside the controller body.
3. The controller of claim 2, wherein, An installation port matched with the mounting seat (300) is arranged on the upper shell (100).
4. The controller of claim 3, wherein, A plurality of power components (800) are arranged on the circuit board (600), and the power components (800) are welded to an upper end surface of the circuit board (600); The power components (800) are arranged in pairs, and the welding position of each pair of power components (800) and the circuit board (600) is located on a side away from an adjacent power component (800).
5. The controller of claim 4, wherein, The clamping spring (500) has a plurality of elastic abutting portions (501), and each elastic abutting portion (501) abuts against a power component (800).
6. The controller of claim 5, wherein, At least two first fasteners (900) are arranged on the clamping spring (500), the first fasteners (900) are connected with the lower shell (200), and the first fasteners (900) enable the elastic abutting portions (501) to elastically deform.
7. The controller of claim 5, wherein, Six power components (800) are arranged on the circuit board (600), and six elastic abutting portions (501) are arranged on the clamping spring (500).
8. The controller of claim 7, wherein, The lower shell (200) is made of aluminum.