Automobile central control host and automobile

Abstract

The automobile central control host comprises a conductive shell, a circuit board and a conductive cover plate, the conductive shell is provided with a containing cavity with an opening, the side wall of the containing cavity extends to form a plurality of conductive first supporting parts, the first supporting parts are arranged around the containing cavity, the edge of the circuit board is provided with a plurality of copper exposing parts, and the copper exposing parts are arranged in the containing cavity. The circuit board is provided with a containing cavity, the copper exposing part is arranged around the circuit board, the circuit board is contained in the containing cavity, the copper exposing part abuts against the first supporting part, the conductive cover plate covers the opening, and the conductive cover plate makes contact with the copper exposing part and the conductive shell to form a conductive loop. According to the automobile central control host provided by the invention, the conductive shell and the copper exposed part of the circuit board are grounded, and then the conductive cover plate is in contact with the conductive shell and the circuit board, so that the current of the host shell is conducted, and when the host is subjected to external static electricity, the static electricity can be conducted away in time and does not enter the circuit board.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to an automobile central control host and automobile. BACKGROUND

[0002] The shell of the automobile central control host is a metal shell, and the circuit board is installed behind the metal shell. In order to prevent external static electricity from entering the interior of the circuit board, a conductive foam and a conductive spring are generally added between the metal shell and the circuit board in the traditional design for static electricity drainage. However, when the conductive foam and the conductive spring are connected to the metal shell and the circuit board, there may be a situation of poor adhesion or poor riveting, which causes the metal shell, the circuit board and the conductive foam / conductive spring to fail to form a conductive loop, the static electricity cannot be discharged, and the electronic elements of the circuit board are damaged. SUMMARY

[0003] The present application provides an automobile central control host, which solves the technical problem that an effective static electricity removal loop cannot be formed between the metal shell and the circuit board in the prior art.

[0004] To achieve the above-mentioned purpose, the present application provides an automobile central control host, which comprises a conductive shell, a circuit board and a conductive cover plate. The conductive shell is provided with an open receiving cavity. The side wall of the receiving cavity extends a plurality of conductive first support portions. The first support portions are arranged around the receiving cavity. The edge of the circuit board is provided with a plurality of copper exposed portions for removing static electricity. The copper exposed portions are arranged around the circuit board. The circuit board is received in the receiving cavity, and the copper exposed portions abut against the first support portions. The conductive cover plate covers the opening. The conductive cover plate is in contact with the copper exposed portions and the conductive shell to form a conductive loop.

[0005] Compared with the prior art, the automobile central control host of the present application grounds the copper exposed portions of the conductive shell and the circuit board, and then makes the conductive cover plate in contact with the conductive shell and the circuit board, so that the host shell current is conducted, ensuring that the static electricity can be discharged in time when the host is subjected to external static electricity without entering the interior of the circuit board. The structure is simple and easy to install.

[0006] In one embodiment, the first support portion is a long strip structure, which extends along the circumference of the receiving cavity to form an annular step, and the circuit board is erected on the annular step through the copper exposed portions. The annular step not only increases the support area to make the support more stable, but also increases the contact area with the copper exposed portions to improve the conductive performance.

[0007] In one embodiment, the conductive cover plate is provided with a conductive second support part on one side facing the conductive shell, the second support part is arranged around the conductive cover plate, the second support part abuts the exposed copper part of the circuit board, and the second support part, the exposed copper part and the first support part form a conductive loop. The second support part supports the conductive cover plate to prevent interference with the back of the circuit board, and can also press the edge of the circuit board to improve stability and conductivity.

[0008] In one embodiment, one side of the second support part is provided with a plurality of conductive bumps, which abut the side wall of the accommodation cavity. The contact area between the conductive cover plate and the conductive shell is increased to improve the conductivity between them.

[0009] In one embodiment, a locking member is further included, the conductive cover plate is provided with a plurality of assembly bosses on one side facing the conductive shell, the assembly bosses abut the exposed copper part of the circuit board, the assembly bosses are provided with first assembly holes, the circuit board is provided with second assembly holes, the conductive shell is provided with third assembly holes, and the locking member locks the first assembly holes, the second assembly holes and the third assembly holes. The assembly bosses abut the exposed copper part of the circuit board, not only providing an assembly basis for the locking member, but also enhancing the conductivity between the circuit board and the conductive cover plate.

[0010] In one embodiment, the conductive shell is provided with a plurality of positioning columns, the circuit board is provided with a plurality of first positioning holes, the assembly bosses are provided with a plurality of second positioning holes, and the positioning columns are inserted into the first positioning holes and the second positioning holes. The insertion design of the positioning columns, the first positioning holes and the second positioning holes provides accurate positioning reference for the assembly of the circuit board, the conductive cover plate and the conductive shell, and improves assembly efficiency.

[0011] In one embodiment, the bottom of the accommodation cavity is provided with a plurality of conductive signal shielding grooves, and part of the elements of the circuit board are accommodated in the signal shielding grooves. The signal shielding grooves can effectively shield external electromagnetic interference and protect sensitive elements in the circuit board from interference.

[0012] In one embodiment, the exposed copper part of the circuit board abuts the top of the signal shielding groove. The direct contact of the exposed copper part with the top of the signal shielding groove helps to accelerate the conduction speed of static electricity and improve the efficiency of electrostatic protection.

[0013] In one embodiment, the circuit board comprises a digital signal broadcast module, a radio module and an antenna module, the signal shielding groove comprises a digital signal shielding groove, a radio shielding groove and an antenna shielding groove, the digital signal broadcast module is accommodated in the digital signal shielding groove, the radio module is accommodated in the radio shielding groove, and the antenna module is accommodated in the antenna shielding groove. Each module is in an independent shielding groove, which helps to reduce signal interference between modules and improve overall signal quality.

[0014] The application also provides an automobile comprising the automobile central control host mentioned above, wherein the automobile central control host is electrically connected with a power module of the automobile.

[0015] In order to better understand and implement, the application is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an exploded structural schematic diagram of the automobile central control host in one embodiment of the application;

[0017] Figure 2 It is a structural schematic diagram of one side of the circuit board facing the conductive shell in one embodiment of the application;

[0018] Figure 3 It is a structural schematic diagram of one side of the circuit board facing the conductive cover plate in one embodiment of the application;

[0019] Figure 4 It is a structural schematic diagram of the automobile central control host in one embodiment of the application;

[0020] Figure 5 It is a structural schematic diagram of the conductive shell in one embodiment of the application;

[0021] Figure 6 It is a structural schematic diagram of the conductive cover plate in one embodiment of the application.

[0022] Reference numerals in the drawings:

[0023] 1-conductive shell, 2-circuit board, 3-conductive cover plate, 11-housing cavity, 12-first support part, 13-radiating fin, 14-radiating fan, 15-chip support column, 16-first notch, 17-second notch, 18-third assembly hole, 19-positioning column, 21-copper exposed part, 22-second assembly hole, 23-first positioning hole, 31-second support part, 32-conductive bump, 33-assembly boss, 111-capacitor avoidance slot, 112-connector receiving slot, 113-video transmission module receiving slot, 114-signal shielding slot, 211-front copper exposed part, 212-back copper exposed part, 331-first assembly hole, 332-second positioning hole, 1141-digital signal shielding slot, 1142-receiving shielding slot, 1143-antenna shielding slot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection scope of the present application. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0025] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art to which the present application belongs. It should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" 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, or it can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments of the present application, and are not intended to limit the present application.

[0026] It should be noted that in the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] Please refer to Figures 1 to 3 The present embodiment provides a kind of car central control host, the car central control host includes electrically conductive shell 1, circuit board 2 and electrically conductive cover plate 3, the electrically conductive shell 1 is provided with the open receiving cavity 11, the receiving cavity 11 side wall extends a plurality of electrically conductive first support 12, the first support 12 is arranged around the receiving cavity 11, the edge of the circuit board 2 is equipped with a plurality of copper exposed parts 21 for removing static electricity, the copper exposed part 21 is arranged around the circuit board 2, the circuit board 2 is received in the receiving cavity 11, the copper exposed part 21 is abutted on the first support 12, the electrically conductive cover plate 3 is covered on the opening, and the electrically conductive cover plate 3 is in contact with the copper exposed part 21 and the electrically conductive shell 1 to form an electrically conductive loop.

[0028] Wherein, the opening is located at the bottom of the electrically conductive shell 1, when installing, the electrically conductive shell 1 is turned over in advance, so that the opening of the receiving cavity 11 faces upwards, then the circuit board 2 is vertically placed into the receiving cavity 11 through the opening, and then the electrically conductive cover plate is covered on the circuit board 2.

[0029] The electrically conductive shell 1 is made of metal material, has excellent electrical conductivity and mechanical strength, can ensure that static electricity is smoothly guided when forming an electrically conductive loop, and the mechanical strength of the metal material also ensures that the electrically conductive shell 1 is not easy to deform or damage during long-term use, thereby effectively protecting the internal circuit board 2. In another embodiment, the electrically conductive shell 1 can also be made of electrically conductive plastic, electrically conductive composite material or other materials with electrical conductivity. Further, the electrically conductive shell 1 is integrally formed by pressure casting, which ensures the integrity of the electrically conductive shell 1 and further improves the electrical conductivity and structural strength. In another embodiment, the electrically conductive shell 1 can also be formed by casting, stamping or other common molding methods. In another embodiment, the electrically conductive shell 1 can also be detachably assembled.

[0030] Please refer to Figure 4The conductive shell 1 is provided with heat dissipation fins 13 and a heat dissipation fan 14 at the top, the heat dissipation fins 13 are arranged around the heat dissipation fan 14, and the heat dissipation fan 14 is electrically connected with the circuit board 2. By increasing the heat dissipation area of the heat dissipation fins 13 and the wind flow generated by the heat dissipation fan 14 to accelerate heat convection, it is ensured that the electronic components of the circuit board 2 can maintain a lower temperature under long-time high-load operation, thereby prolonging the service life of the electronic components and improving the stability and reliability of the entire system. A plurality of chip support columns 15 are arranged in the receiving cavity 11, and a heat dissipation pad is arranged on the chip support column, and the chip module of the circuit board 2 abuts against the heat dissipation pad. The combination of the chip support column and the heat dissipation pad not only allows the chip module of the circuit board 2 to be stably arranged on the circuit board 2, but also efficiently transmits the heat generated by the chip module of the circuit board 2 to the heat dissipation fins 13 and the heat dissipation fan 14 through the heat dissipation pad, thereby maintaining stable operation of the chip module of the circuit board 2. In another embodiment, the chip support column can also be provided with heat-conducting silicone grease, heat-conducting gel or other heat-conducting materials for heat dissipation.

[0031] Please see Figure 5 The bottom of the receiving cavity 11 is recessed inwardly by a plurality of capacitor avoidance grooves 111, the shape and size of the capacitor avoidance grooves 111 match the shape and size of part of the capacitors of the circuit board 2, and part of the capacitors of the circuit board 2 are received in the capacitor avoidance grooves 111. The capacitor avoidance grooves 111 not only receive part of the capacitors of the circuit board 2, but also prevent them from moving or falling off during operation, thereby improving stability, and also play the role of electromagnetic shielding, reducing electromagnetic interference between the capacitors and the external environment, and improving the electromagnetic compatibility of the equipment.

[0032] The side wall of the conductive shell 1 is provided with a first gap 16 and a second gap 17, the receiving cavity 11 is provided with a connector receiving groove 112 and a video transmission module receiving groove 113, the first gap 16 communicates with the connector receiving groove 112, and the second gap 17 communicates with the video transmission module receiving groove 113. The connector module of the circuit board 2 is received in the connector receiving groove 112 and protrudes from the first gap 16, and the video transmission module of the circuit board 2 is received in the video transmission module receiving groove 113 and protrudes from the second gap 17. Each module of the circuit board 2 is received separately, so that the module can be stably installed in the conductive shell 1, and at the same time, the connector module and the video transmission module of the circuit board 2 protrude from the first gap 16, facilitating connection with external devices or components. Specifically, the first gap 16 and the second gap 17 are located on the same side of the conductive shell 1, facilitating optimization of space layout and facilitating external connection operations by technicians. In another embodiment, the first gap 16 and the second gap 17 can also be located on different sides of the conductive shell 1.

[0033] The bottom of the receiving cavity 11 protrudes and is provided with a plurality of conductive signal shielding grooves 114, and part of the elements of the circuit board 2 are received in the signal shielding grooves 114. The signal shielding grooves 114 not only can stably receive part of the elements of the circuit board 2 and limit the displacement thereof, but also can effectively shield external electromagnetic interference, protect sensitive elements in the circuit board 2 from interference, and improve the reliability and stability of the circuit board 2.

[0034] The exposed copper part 21 of the circuit board 2 abuts against the top of the signal shielding groove 114. The direct contact of the exposed copper part 21 with the top of the signal shielding groove 114 helps to accelerate the conduction speed of static electricity and improve the efficiency of electrostatic protection. Specifically, the top of the signal shielding groove 114 is provided with a plurality of third gaps for wire passing, facilitating the wire of part of the elements of the circuit board 2 to pass out of the third gaps.

[0035] The circuit board 2 includes a digital signal broadcast module, a radio module and an antenna module, the signal shielding groove 114 includes a digital signal shielding groove 1141, a radio shielding groove 1142 and an antenna shielding groove 1143, the digital signal broadcast module is received in the digital signal shielding groove 1141, the radio module is received in the radio shielding groove 1142, and the antenna module is received in the antenna shielding groove 1143. Each module is in an independent shielding groove, which helps to reduce signal interference between modules and improve overall signal quality.

[0036] The first support part 12 is a long strip structure, extending along the circumference of the accommodating cavity 11 to form a ring-shaped step, and the circuit board 2 is arranged on the ring-shaped step through the exposed copper part 21. The ring-shaped step not only increases the support area, but also makes the support more stable, and increases the contact area with the exposed copper part 21, thereby improving the conductivity. Specifically, the first support part 12, the side wall of the connector accommodating groove 112 away from the first notch 16, and the side wall of the video transmission module accommodating groove 113 away from the second notch 17 form a closed ring-shaped support structure, which supports the four edges of the circuit board 2 in all directions, thereby further improving the stability of the support.

[0037] The conductive cover plate 3 is made of metal material, has excellent conductivity and mechanical strength, can ensure smooth guidance of static electricity during formation of a conductive loop, and the mechanical strength of the metal material ensures that the conductive cover plate 3 is not easily deformed or damaged during long-term use, thereby effectively protecting the internal circuit board 2. In another embodiment, the conductive cover plate 3 can also be made of conductive plastic, conductive composite material or other materials with conductivity.

[0038] Please refer to Figure 6 , the conductive cover plate 3 is provided with a conductive second support part 31 on the side facing the conductive shell 1, the second support part 31 is arranged around the conductive cover plate 3, the second support part 31 abuts against the exposed copper part 21 of the circuit board 2, and the second support part 31, the exposed copper part 21 and the first support part 12 form a conductive loop. The second support part 31 supports the conductive cover plate 3 to prevent interference with the back of the circuit board 2, and can also press the edges of the circuit board 2 to improve stability and conductivity. The second support part 31 is a long strip structure, which is bent from the conductive cover plate 3, is convenient to process, and maintains good conductivity of the conductive cover plate 3. In another embodiment, the second support part 31 can also be fixed on the conductive cover plate 3 by welding, screwing or other methods.

[0039] The second support part 31 is provided with a plurality of conductive bumps 32 on one side, and the conductive bumps 32 abut against the side wall of the accommodating cavity 11. Through the contact between the conductive bumps 32 and the side wall of the accommodating cavity 11, the current between the conductive shell 1 and the conductive cover plate 3 is conducted, so that when the product is subjected to external static electricity, the static electricity can be conducted away in time and does not enter the internal circuit board 2. Specifically, the conductive bumps 32 are arranged along the length direction of the second support part 31, which ensures the continuity of the conductive connection between the second support part 31 and the side wall of the accommodating cavity 11, thereby improving the static electricity removal efficiency. In another embodiment, the conductive bumps 32 can also be arranged along the height direction of the second support, or arranged in other ways.

[0040] The automobile center console further comprises a locking member, the conductive cover plate 3 is provided with a plurality of assembly bosses 33 on one side of the conductive shell 1, the assembly bosses 33 abut the copper exposed part 21 of the circuit board 2, the assembly bosses 33 are provided with first assembly holes 331, the circuit board 2 is provided with second assembly holes 22, the conductive shell 1 is provided with third assembly holes 18, and the locking member locks the first assembly holes 331, the second assembly holes 22 and the third assembly holes 18. The assembly bosses 33 abut the copper exposed part 21 of the circuit board 2, which not only provides an assembly basis for the locking member, but also enhances the electrical conductivity between the circuit board 2 and the conductive cover plate 3. Specifically, the first assembly holes 331, the second assembly holes 22 and the third assembly holes 18 are respectively arranged at the four peripheral edges of the conductive shell 1, the circuit board 2 and the conductive cover plate 3, which can not only avoid the locking pressure affecting the electronic elements in the middle of the circuit board 2, but also improve the stability of locking. The locking member is a locking screw, the third assembly holes 18 are threaded holes, and the locking screw is screwed with the threaded holes after passing through the first assembly holes 331 and the second assembly holes 22, so as to press the circuit board 2 tightly on the conductive shell 1.

[0041] The conductive shell 1 is provided with a plurality of positioning columns 19, the circuit board 2 is provided with a plurality of first positioning holes 23, the assembly bosses 33 are provided with a plurality of second positioning holes 332, and the positioning columns 19 are inserted into the first positioning holes 23 and the second positioning holes 332. The insertion design of the positioning columns 19, the first positioning holes 23 and the second positioning holes 332 provides accurate positioning reference for the assembly of the circuit board 2, the conductive cover plate 3 and the conductive shell 1, and improves the assembly efficiency. In another embodiment, positioning columns 19 can also be arranged on the front surface and the back surface of the circuit board 2, and positioning holes are arranged on the conductive shell 1 and the conductive cover plate, so as to realize the positioning of the three.

[0042] The copper exposed part 21 of the circuit board 2 comprises a front surface copper exposed part 211 facing the receiving cavity 11 and a back surface copper exposed part 212 facing the conductive cover plate 3, the front surface copper exposed part 211 is arranged opposite to the first supporting part 12, and the back surface copper exposed part 212 is arranged opposite to the second supporting part 31 and the assembly boss 33. The corresponding arrangement of the copper exposed part 21 makes the electrical contact between the circuit board 2 and the conductive shell 1 and the conductive cover plate 3 more accurate.

[0043] The application further provides an automobile comprising the automobile central control host mentioned above, wherein the automobile central control host is electrically connected with a power module of the automobile.

[0044] The above specific examples further illustrate the purpose, technical scheme and beneficial effects of the application, and it should be understood that the above description is only a specific embodiment of the application and is not intended to limit the application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application should be included in the protection scope of the application.

Claims

1. A car center console host, characterized in that: The application relates to a conductive shell, a circuit board and a conductive cover plate, wherein the conductive shell is provided with an open receiving cavity, the side wall of the receiving cavity extends with a plurality of conductive first supporting parts, the first supporting parts are arranged around the receiving cavity, the edge of the circuit board is provided with a plurality of copper-exposed parts for removing static electricity, the copper-exposed parts are arranged around the circuit board, the circuit board is received in the receiving cavity, the copper-exposed parts abut against the first supporting parts, and the conductive cover plate covers the opening, and the conductive cover plate contacts the copper-exposed parts and the conductive shell to form a conductive loop.

2. The automobile center control host of claim 1, wherein: The first supporting parts are long strip structures, and the first supporting parts extend along the circumference of the receiving cavity to form annular steps, and the circuit board is arranged on the annular steps through the copper-exposed parts.

3. The automobile center control host of claim 2, wherein: The side of the conductive cover plate towards the conductive shell is provided with conductive second supporting parts, the second supporting parts are arranged around the conductive cover plate, the second supporting parts abut against the copper-exposed parts of the circuit board, and the second supporting parts, the copper-exposed parts and the first supporting parts form a conductive loop.

4. The automobile center control host of claim 3, wherein: The side of the second supporting parts is provided with a plurality of conductive bumps, and the conductive bumps abut against the side wall of the receiving cavity.

5. The automotive center stack of claim 2, wherein: The conductive cover plate is provided with a plurality of assembly bosses on the side towards the conductive shell, the assembly bosses abut against the copper-exposed parts of the circuit board, the assembly bosses are provided with first assembly holes, the circuit board is provided with second assembly holes, the conductive shell is provided with third assembly holes, and a locking piece locks the first assembly holes, the second assembly holes and the third assembly holes.

6. The automobile center control host of claim 5, wherein: The conductive shell is provided with a plurality of positioning columns, the circuit board is provided with a plurality of first positioning holes, and the assembly bosses are provided with a plurality of second positioning holes, and the positioning columns are inserted into the first positioning holes and the second positioning holes.

7. The automobile center console host as claimed in any one of claims 1-6, characterized in that: The bottom of the receiving cavity is provided with a plurality of conductive signal shielding grooves, and part of elements of the circuit board are received in the signal shielding grooves.

8. The automobile center control host of claim 7, wherein: The copper-exposed parts of the circuit board abut against the top of the signal shielding grooves.

9. The car center console host as claimed in claim 7, characterized in that: The circuit board comprises a digital signal broadcast module, a radio module and an antenna module, the signal shielding grooves comprise digital signal shielding grooves, radio shielding grooves and antenna shielding grooves, the digital signal broadcast module is received in the digital signal shielding grooves, the radio module is received in the radio shielding grooves, and the antenna module is received in the antenna shielding grooves.

10. A car comprising the car central control host as claimed in any one of claims 1-9, and the car central control host is electrically connected with a power module of the car.

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