Vehicle suspension hydraulic pump control device

Abstract

The invention belongs to the technical field of automatic control of automotive suspensions, and provides an automotive suspension hydraulic pump control device which mainly comprises a lower shell, an upper shell, an upper shell and a lower shell. The upper shell is detachably arranged on the lower shell, and a first mounting position and a second mounting position are arranged on the upper shell; the power unit is detachably arranged on the first installation position of the upper shell, the power unit is provided with a plurality of communication pins, the control bottom plate is detachably arranged on the second installation position, the control bottom plate is in communication connection with the hydraulic pump, the control bottom plate is provided with a plurality of communication jacks matched with the communication pins, and therefore communication connection between the power unit and the control bottom plate is achieved. The power unit is arranged between the control bottom plate and the upper shell, and a preset distance is arranged between the power unit and the control bottom plate. By adopting the above structure, the space occupied by the power unit on the control base plate is reduced, the circuit wiring and components of the control base plate are abdicated, and the circuit function of the control base plate is highly integrated.

Description

Technical Field

[0001] The present invention belongs to the technical field of automatic control of automotive suspensions, and particularly relates to a control device for a hydraulic pump of a vehicle suspension. Background Art

[0002] With the rapid development of new energy vehicles, the control of various components on vehicles has become more and more intelligent, enabling the vehicle to adaptively adjust according to different working conditions to meet the driving needs of drivers.

[0003] For example, the automotive suspension is one of the important components of a vehicle. A good suspension can provide a better driving experience for the driver in the vehicle. Therefore, how to achieve automatic adjustment of the vehicle suspension is very important.

[0004] In the prior art, the suspension is adjusted by a controller through hydraulic or pneumatic means. However, the existing controller products are mostly designed with a hierarchical structure, that is, the boards are arranged stacked on top of each other, and the number of boards is very large, including interface boards, drive boards, control boards, power boards, etc.; the boards are arranged in a stacked manner and connected by wire harnesses, and its assembly process is complex, the steps are cumbersome, and the production efficiency is low;

[0005] In addition, the increase in the number of boards, wire harnesses, and screws increases the BOM cost and labor cost. At the same time, the failure risk also increases. In addition, for a controller with a multi-layer board structure, its heat dissipation effect is poor, which easily causes the power module to overheat and be damaged. Summary of the Invention

[0006] The present invention provides a control device for a hydraulic pump of a vehicle suspension, which solves the problems of complex assembly structure, long assembly time, high labor cost, and poor heat dissipation caused by the controller composed of multiple layers of boards in the above technical background.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A control device for a hydraulic pump of a vehicle suspension, comprising:

[0009] A lower housing, provided with a first installation space, and a hydraulic pump is provided in the first installation space;

[0010] An upper housing, detachably arranged on the lower housing, the upper housing can seal the first installation space of the lower housing, and a first installation position and a second installation position are provided on the upper housing;

[0011] A power unit, detachably arranged on the first installation position of the upper housing, the power unit is provided with a plurality of communication pins, and the plurality of communication pins extend towards the lower housing side;

[0012] The control base plate is detachably arranged at the second installation position of the upper shell. The control base plate is communicatively connected to the hydraulic pump. A plurality of communication jacks are provided on the control base plate, and a plurality of communication pins can be correspondingly inserted into the communication jacks to realize the communication connection between the power unit and the control base plate. Among them, the power unit is arranged between the control base plate and the upper shell, and a preset distance is provided between the power unit and the control base plate.

[0013] In some embodiments, a first installation platform is provided on the upper shell, and a first installation hole is provided on the first installation platform to form the first installation position.

[0014] In some embodiments, a second installation platform is provided on the upper shell, and a second installation hole is provided on the second installation platform. Among them, a first height difference is provided between the second installation platform and the first installation platform, so that the preset distance is formed between the power unit and the control base plate.

[0015] In some embodiments, a first positioning post is provided on the upper shell, and a first positioning hole is provided on the control base plate, and the positions of the first positioning post and the first positioning hole correspond to each other.

[0016] In some embodiments, a high-voltage unit and a low-voltage unit are provided on the control base plate. The high-voltage unit is arranged in the middle section of the control base plate, and the low-voltage unit is arranged at both ends of the control base plate. Among them, the power unit is arranged close to the high-voltage unit.

[0017] In some embodiments, a heat dissipation structure is provided on the outer side of the upper shell. The heat dissipation structure includes a plurality of heat dissipation fins, and the plurality of heat dissipation fins are evenly distributed on the outer side of the upper shell.

[0018] In some embodiments, it further includes elastic terminals arranged on the control base plate and connection sockets arranged on the hydraulic pump. The connection sockets and the elastic terminals are in corresponding positions. When the upper shell and the lower shell are connected, the connection sockets are inserted into the elastic terminals.

[0019] In some embodiments, it further includes a high-voltage connector and a low-voltage connector arranged on the outer side of the upper shell. The high-voltage connector is electrically connected to the high-voltage unit of the control base plate, and the low-voltage connector is electrically connected to the low-voltage unit.

[0020] In some embodiments, a first connection socket is provided on one side of the control base plate close to the lower shell, and a wiring row group is provided on the hydraulic pump, and one end of the wiring row group can be inserted into or detached from the first connection socket.

[0021] In some embodiments, a first relief groove is provided on the upper housing, and the first relief groove corresponds to the position of the heat dissipation fins.

[0022] Compared with the prior art, the beneficial effects brought by the present invention are as follows:

[0023] In this application, the power unit is directly and detachably connected to the upper housing, and heat dissipation is directly carried out through the upper housing, improving the heat dissipation efficiency of the entire control device. At the same time, in this application, the multi-layer board structure of the traditional controller is concentrated on a control bottom board, making the control bottom board highly integrated. On the one hand, the assembly process is simplified. Compared with the traditional controller structure, the structure is simple and the cost is lower. In addition, since a preset distance is provided between the power unit and the control bottom board and communication connection is carried out through communication pins, the power unit occupies a small space on the control bottom board, so that there is more space on the control bottom board for highly integrating circuits.

[0024] Additional aspects and advantages of the present application will be given in part in the following description, which will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a perspective view of a vehicle suspension hydraulic pump control device of the present invention;

[0026] Figure 2 is an exploded view of a vehicle suspension hydraulic pump control device of the present invention;

[0027] Figure 3 is a schematic diagram of the internal structure of the upper housing of a vehicle suspension hydraulic pump control device of the present invention;

[0028] Figure 4 is a first perspective view of the control bottom board of a vehicle suspension hydraulic pump control device of the present invention;

[0029] Figure 5 is a second perspective view of the control bottom board of a vehicle suspension hydraulic pump control device of the present invention;

[0030] Figure 6 is a partially enlarged schematic diagram of the control bottom board of a vehicle suspension hydraulic pump control device of the present invention;

[0031] Figure 7 is Figure 2 the enlarged view at A in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The present application will be further described in detail below with reference to specific drawings. In the description of this embodiment, unless otherwise specified, the orientation or positional relationship indicated by terms such as "left" and "right" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the present application must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0033] As Figures 1-3 shown, a vehicle suspension hydraulic pump control device provided by the present invention mainly includes a lower housing 100, an upper housing 200, a power unit 101, and a control base plate 102. A first installation space is provided on the lower housing 200, and a hydraulic pump 201 is arranged in the first installation space. The hydraulic pump 201 is used for hydraulic adjustment of the suspension; the upper housing 100 is detachably arranged on the lower housing 200. When the upper housing 100 is fixedly connected to the lower housing 200, the upper housing 100 can seal the first installation space of the lower housing 200. Specifically, a third fixing hole 107 is provided on the upper housing 100, a corresponding third through hole is provided on the lower housing 200, and a third positioning post and a third positioning hole 1071 are respectively provided corresponding to the upper housing 100 and the lower housing 200 for positioning when the upper housing 100 is installed on the lower housing 200, and the upper housing 100 and the lower housing 200 are fixed by a screw or bolt structure. Among them, a first installation position 105 and a second installation position 106 are provided on the upper housing 100; the first installation position 105 is used for installing the power unit 101, and the second installation position 106 is used for installing the control base plate 102.

[0034] Specifically, a plurality of communication pins 1011 are provided on the power unit 101. When the power unit 101 is installed on the first installation position 105 and the upper housing 100 is fixedly connected to the lower housing 200, the plurality of communication pins 1011 extend towards the lower housing 200 side, and the communication pins 1011 are provided with a preset length. A plurality of communication jacks 1025 are provided on the control base plate 102. The number of communication pins 1011 matches the number of communication jacks 1025, and the positions of the communication pins 1011 correspond to the positions of the communication jacks 1025 one by one. During specific installation, the communication pins 1011 are inserted into the communication jacks 1025 for welding, so as to ensure the stability of their connection and transmission. Through the insertion of the communication pins 1011 and the communication jacks 1025, the communication connection between the power unit 101 and the control base plate 102 is realized.

[0035] The control base plate 102 is provided with various circuits thereon. For example, a drive circuit and a sampling circuit are integrated on one control base plate 102 instead of multiple circuit boards in the prior art. The control base plate 102 is detachably disposed on the second mounting position 106 of the upper housing 100. The control base plate 102 is communicatively connected to the hydraulic pump 201, so as to realize the adaptive adjustment of the hydraulic pump 201 through the control base plate 102. It should be particularly noted that when the power unit 101 is mounted on the control base plate 102, a preset distance is set between the power unit 101 and the control base plate 102. The power unit 101 transmits signals to the control base plate 102 through the communication pins 1011. Combining with the preset distance, the power unit 101 can occupy a smaller space on the control base plate 102, so that there is more space on the control base plate 102 for circuit layout and component arrangement, which can meet the high integration of multiple functional circuits on the control base plate 102.

[0036] Further, a high-voltage unit and a low-voltage unit are provided on the control base plate 102. Among them, the low-voltage unit is disposed near both ends of the control base plate 102, the high-voltage unit is disposed in the middle section of the control base plate 102, and the power unit 101 is disposed near the high-voltage unit. At this time, only basic insulation needs to be achieved with the low-voltage power supply (flyback power supply) and the communication circuit, and only functional insulation is required for most of the other circuits, which greatly reduces the board layout space of the control base plate 102. Compared with basic insulation, functional insulation has lower requirements for electrical clearance and creepage distance, and the corresponding board layout can be more compact, thus reducing the board layout space. In addition, the power unit 101 is directly locked to the upper housing 100, avoiding the need to lock a separate power board card to the assembly housing.

[0037] By adopting the above structure, the optimization of the circuit layout and wiring is realized, and then the module-integrated board card design is achieved. The interface board, control board, drive board, and power board in the prior art are integrated on one board card to meet the high integration requirements of the circuits on the control base plate 102, thereby simplifying the assembly process, reducing the number of components, lowering the assembly difficulty, and saving costs.

[0038] In one embodiment, a first mounting platform is provided on the upper housing 100, and a first mounting hole 1051 is provided on the first mounting platform, thereby forming a first mounting position 105. Specifically, corresponding first fixing holes are provided on the power unit 101, and the first fixing holes correspond to the positions of the first mounting holes 1051. The power unit 101 is locked and fixed on the first mounting platform by screws. In this embodiment, as Figure 2 and Figure 3As shown, the first mounting platform has a certain area to provide a abutting support for the power unit 101. In this embodiment, the number of the first mounting platforms is two, corresponding to fixing two power units 101. The two power units 101 respectively control two hydraulic pumps 201. In actual operation, the number of the power units 101 and the hydraulic pumps 201 is confirmed according to actual requirements, and in the present invention, the number is not limited.

[0039] Further, a second mounting platform is provided on the upper housing 100. The second mounting platform is provided with second mounting holes 1061 to form a second mounting position 106. Wherein, there is a first height difference between the second mounting platform and the first mounting platform, so that after the power unit 101 and the control bottom plate 102 are installed and fixed, a preset distance is formed between the two. Specifically, the second mounting platform is supported by a plurality of spaced-apart bosses, which are arranged along the edge of the upper housing 100. The plurality of bosses are on the same horizontal plane. A plurality of second fixing holes 1021 are provided on the control bottom plate 102. The positions of the plurality of second fixing holes 1021 correspond to the plurality of second mounting holes 1061. The control bottom plate 102 is fixed on the second mounting platform of the upper housing 100 by screws. For the convenience of assembly, there is a certain distance between the edge of the control bottom plate 102 and the inner wall of the upper housing 100.

[0040] Further, a first positioning post 1062 is provided on the upper housing 100, and a first positioning hole 1022 is provided on the control bottom plate 102. The positions of the first positioning post 1062 and the first positioning hole 1022 correspond to each other. In this embodiment, the first positioning post 1062 is arranged close to the second mounting hole 1061. The number of the first positioning posts 1062 and the first positioning holes 1022 matches, and for the convenience of positioning, the number of the first positioning posts 1062 is not less than two. Optionally, the first positioning post 1062 can also be arranged on the control bottom plate 100, and the first positioning hole 1022 can be arranged on the upper housing 100, which can also realize the installation and positioning of the control bottom plate 102.

[0041] In one embodiment, in order to facilitate the heat dissipation of the circuit components of the power unit 101 and the control bottom plate 102, a heat dissipation structure 103 is provided on the outer side of the upper housing 101. The heat dissipation structure 103 includes a plurality of heat dissipation fins, and the plurality of heat dissipation fins are evenly distributed on the outer side of the upper housing 101. The power unit 101 relies on the upper housing 100 for natural heat dissipation. The power unit 101 is bolted to the upper housing 100 by using a high thermal conductivity material. The top of the upper housing 100 is designed with heat dissipation fins to increase the heat dissipation area. At the same time, the fins are evenly distributed, and the heat dissipation effect is uniform. While achieving the natural heat dissipation effect, the temperature rise of the two power units 101 in the present application can be made close.

[0042] Optionally, the structure of the heat dissipation fins can also be changed to a structure of a plurality of heat dissipation columns evenly distributed at intervals. One end of the plurality of heat dissipation columns is flush, just like the heat dissipation fin structure in this embodiment, and the effect of natural heat dissipation can also be achieved.

[0043] In one embodiment, in order to avoid excessive connecting wires and complex wiring at the control ends of the control base plate 102 and the hydraulic pump 201, as Figure 5 and Figure 6 as well as Figure 7 shown, an elastic terminal 1027 is provided on the control base plate 102, and a connection socket row 2012 is provided on the hydraulic pump 201. The position of the connection socket row 2012 corresponds to the position of the elastic terminal 1027. When the upper housing 100 is installed on the lower housing 200, the connection socket row 2021 is inserted into the elastic terminal 1027, realizing blind insertion between the control ends of the control base plate 102 and the hydraulic pump 201, and simplifying the assembly process. Specifically, as Figure 5 and Figure 6 shown, the elastic terminal 1027 is a claw structure with elastic clamping force. The insertion end of the elastic terminal 1027 is an arc guiding structure. When one end of the connection socket row 2012 abuts against the insertion end of the elastic terminal 1027, at this time, the connection socket row 2012 is guided by the arc guiding structure to be inserted into the elastic terminal 1027, and the elastic terminal 1027 clamps and fixes the connection socket row 2012 through elastic clamping force. By adopting the above structure, the difficulty of blind insertion between the elastic terminal 1027 and the connection socket row 2012 is reduced. In this embodiment, the number of elastic terminals 1027 is three, and the number of connection socket rows 2012 is also three and matches it. It can be understood that the number of elastic terminals 1027 and the number of connection socket rows 2012 are not limited by the present invention, and the corresponding number can be set according to actual operation requirements.

[0044] Furthermore, to simplify the wiring and assembly process, as Figure 6 and Figure 7 shown, a first insertion interface 1026 is provided on one side of the control base plate 102 close to the lower housing 200, and a wiring socket row group 2011 is provided on the hydraulic pump 201. One end of the wiring socket row group 2011 can be inserted into or detached from the first insertion interface 1026. During actual assembly, before the blind insertion between the elastic terminal 1027 and the connection socket row 2012, the wiring socket row group 2011 and the first insertion interface 1026 are first connected.

[0045] In one embodiment, to facilitate the connection of the device to an external power supply, a high-voltage connector 1042 and a low-voltage connector 1041 are provided on the outer side of the upper housing 100. The high-voltage connector 1042 is electrically connected to the high-voltage unit of the control base plate 102, and the low-voltage connector 1041 is electrically connected to the low-voltage unit of the control base plate 102, thereby realizing power supply. At the same time, the provision of the high-voltage connector 1042 and the low-voltage connector 1041 can effectively simplify the connection mode of the control device assembly to the external power supply and facilitate assembly.

[0046] In one embodiment, a first relief groove 108 is provided on the upper housing 100, and the position of the first relief groove 108 corresponds to the position of the heat dissipation fins. By providing the first relief groove 108, it is possible to make way for the components provided on the control base plate 102, such as Figure 4 and Figure 5 As shown, the common-mode inductor 1023 and the bus capacitor 1024 provided on the control base plate 102. In this embodiment, the common-mode inductor 1023 is provided on one side of the upper housing 100, and the first relief groove 108 is provided at the corresponding position on the upper housing 100 for making way. The bus capacitor 1024 is provided on one side of the lower housing. Since its size is relatively large, a relief structure is provided on the lower housing for avoidance. Optionally, the common-mode inductor 1023 and the bus capacitor 1024 can be simultaneously provided on the side close to the upper housing 100, and the heat dissipation structure 1024 of the upper housing 100 can also be used for heat dissipation of the components; at the same time, no relief treatment is required on the lower housing 200, making the structure of the lower housing 200 more compact.

[0047] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made. These improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A vehicle suspension hydraulic pump control device, characterized in that: include: The lower housing is provided with a first installation space, wherein a hydraulic pump is provided in the first installation space; An upper shell is detachably mounted on the lower shell, the upper shell can seal the first mounting space of the lower shell, and a first mounting position and a second mounting position are provided on the upper shell; A power unit is detachably mounted on the first mounting position of the upper housing, wherein the power unit is provided with a plurality of communication pins, and the plurality of communication pins extend toward one side of the lower housing; A control base plate is detachably arranged on the second mounting position of the upper shell, the control base plate is communicatively connected with the hydraulic pump, a plurality of communication sockets are arranged on the control base plate, a plurality of communication pins can be correspondingly plugged into the communication sockets to realize the communication connection between the power unit and the control base plate, wherein the power unit is arranged between the control base plate and the upper shell, and a preset distance is arranged between the power unit and the control base plate.

2. A vehicle suspension hydraulic pump control device according to claim 1, characterized in that: The upper shell is provided with a first mounting platform, and the first mounting platform is provided with a first mounting hole to form the first mounting position.

3. A vehicle suspension hydraulic pump control device according to claim 2, characterized in that: A second mounting platform is disposed on the upper shell, and a second mounting hole is disposed on the second mounting platform, wherein a first height difference is provided between the second mounting platform and the first mounting platform so as to form the preset distance between the power unit and the control base plate.

4. A vehicle suspension hydraulic pump control device according to claim 3, characterized in that: The upper shell is provided with a first positioning column, the control bottom plate is provided with a first positioning hole, and the first positioning column corresponds to the first positioning hole.

5. The vehicle suspension hydraulic pump control device according to claim 1, characterized in that: A high voltage unit and a low voltage unit are provided on the control base plate, wherein the high voltage unit is arranged at the middle section of the control base plate, and the low voltage unit is arranged at two ends of the control base plate, wherein the power unit is arranged close to the high voltage unit.

6. The vehicle suspension hydraulic pump control device according to claim 1, characterized in that: A heat dissipation structure is arranged on the outer side of the upper shell, and the heat dissipation structure comprises a plurality of heat dissipation fins, and the plurality of heat dissipation fins are evenly distributed on the outer side of the upper shell.

7. The vehicle suspension hydraulic pump control device according to claim 1, characterized in that: It also includes elastic terminals arranged on the control base plate and a connection plug bar arranged on the hydraulic pump, the connection plug bar corresponds to the position of the elastic terminals, and when the upper shell and the lower shell are connected, the connection plug bar is plugged into the elastic terminals.

8. The vehicle suspension hydraulic pump control device according to claim 5, characterized in that: It also includes a high-voltage connector and a low-voltage connector arranged on the outside of the upper shell, the high-voltage connector is electrically connected to the high-voltage unit of the control base plate, and the low-voltage connector is electrically connected to the low-voltage unit.

9. The vehicle suspension hydraulic pump control device according to claim 1, characterized in that: The control base plate is provided with a first socket on one side close to the lower shell, and the hydraulic pump is provided with a wiring bank group, and one end of the wiring bank group can be plugged into or out of the first socket.

10. The vehicle suspension hydraulic pump control device according to claim 6, characterized in that: The upper shell is provided with a first paving groove, and the first paving groove corresponds to the position of the heat dissipation fin.

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