Vehicle door controller
By designing the door controller of the integrated circuit board and using bus connections to achieve centralized control of door appliances, the problems of increasing length, weight and cost in automotive door appliance control are solved, and the reliability of the system is improved.
Patent Information
- Application Number
- CN202420644383.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-29
AI Technical Summary
The electrification and intelligence of automobiles have led to an increase in electronic components on the doors, and the original centralized control method has led to an increase in the length of the wiring harness, an increase in weight and cost, and a decrease in reliability.
A door controller is designed to realize centralized communication control by setting the integrated circuit board in the housing, connecting it with the body bus using the main line, and connecting it with various actuators on the door through the split line.
It effectively shortens the length of the wiring harness, reduces the weight and cost of the wiring harness, improves the reliability of the system, and realizes centralized control of all electrical equipment on the car doors.
Smart Images

Figure CN222582713U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile body electrical appliance control, and more specifically, to a vehicle door controller. Background Art
[0002] A wiring harness is an overall set of equipment that provides services to a certain group of load sources, such as relay lines, switching devices, control systems, etc.
[0003] As the degree of electrification and intelligence of automobiles continues to improve, the number of electronic components on the left and right doors is gradually increasing. The original centralized control method will lead to a significant increase in the wiring harness of the entire vehicle and reduce reliability. The large number of wiring harnesses brings problems such as wiring difficulties, increased weight, and increased costs. Utility Model Content
[0004] The utility model aims to provide a vehicle door controller, which is a controller capable of integrating and controlling complicated electrical appliances on a vehicle door.
[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a vehicle door controller comprises a housing, a sealing plate and a circuit board.
[0006] The outer shell is a box structure with an opening on one side, a plurality of protrusions are arranged on the outer wall of the outer shell near the opening, and limit strips are arranged on the two symmetrical inner walls of the outer shell, and the limit strips extend inwardly along the opening to the inner wall on one side away from the opening;
[0007] The sealing plate is detachably arranged at the opening of the shell, a plurality of buckle strips corresponding to the protrusions are arranged at the periphery of the sealing plate, and at least one mounting hole is opened on the sealing plate;
[0008] The circuit board is detachably arranged in the shell, the bottom surface of the circuit board abuts against the shell, the top surface of the circuit board abuts against the limit strip on the inner wall of the shell, at least one interface is arranged on the circuit board, and a plurality of interfaces arranged in a rectangular array are arranged in the interface.
[0009] The utility model is further configured as follows: a plurality of modules are integrated on the circuit board.
[0010] The utility model is further configured as follows: a plurality of grooves are provided on the outer wall of the shell near the opening, and a convex block is provided in each groove.
[0011] The utility model is further configured as follows: the convex block comprises a right-angle portion and a transition portion, the transition portion is an inclined surface, and the transition portion is arranged on a side of the right-angle portion close to the opening.
[0012] The utility model is further configured as follows: the buckle strip is a U-shaped strip structure, and its two ends are respectively integrally formed with the sealing plate, and when the buckle strip is buckled with the protrusion, the side of the buckle strip away from the shell is flush with the outer wall of the shell
[0013] In summary, the utility model has the following beneficial effects: by setting the integrated circuit board in the shell, connecting it to the vehicle body bus through the main line, and then connecting it to each actuator on the door through the branch line, the length of the wiring harness can be effectively shortened, thereby achieving the effect of reducing the wiring harness. The left and right door controllers perform centralized communication control on all electrical equipment on the door: only a pair of CAN twisted pair cables are needed to connect to the bus on the vehicle body to meet the communication needs of all electrical devices in the area, and all electrical control functions are realized. The left and right door control modules are connected to all electrical equipment on the door using the principle of nearby wiring, thereby greatly shortening the length of the vehicle wiring harness, reducing the weight and cost of the entire vehicle wiring harness, and improving the reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional diagram of the controller in Embodiment 1 of the utility model;
[0015] Figure 2 It is a cross-sectional view of the controller in Example 1 of the utility model.
[0016] In the figure:
[0017] 1. housing; 11. buckle; 111. slope; 112. elastic part; 12. bump; 121. right angle part; 122. transition part; 13. groove;
[0018] 2. Sealing board; 21. Buckle strip; 22. Lining strip;
[0019] 3. Circuit board. DETAILED DESCRIPTION
[0020] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0021] It should be noted that if the terms "first", "second", etc. are involved in the specification and claims of the utility model and the above-mentioned drawings, they are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described here. In addition, if the terms "including" and "having" and any of their variations are involved, it is intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0022] In addition, in the present invention, the terms "installation", "setting", "provided with", "connection", "connected", "socketing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0023] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0024] The following is combined with Figure 1-2 The utility model is described in further detail.
[0025] Example 1
[0026] like Figure 1 , Figure 2 As shown, a vehicle door controller includes a housing 1, a cover plate 2 and a circuit board 3.
[0027] The housing 1 is a box structure with one side open. A plurality of protrusions 12 are arranged on the outer wall of the housing 1 near the opening. Limiting strips are arranged on the two symmetrical inner walls of the housing 1. The limiting strips extend inwardly from the opening to the inner wall on one side away from the opening.
[0028] The sealing plate 2 is detachably arranged at the opening of the housing 1, and a plurality of buckle strips 21 corresponding to the protrusions 12 are arranged at the periphery of the sealing plate 2, and at least one mounting hole is opened on the sealing plate 2;
[0029] The circuit board 3 is detachably arranged in the shell 1, the bottom surface of the circuit board 3 abuts against the shell 1, and the top surface of the circuit board 3 abuts against the limit strip on the inner wall of the shell 1. At least one interface is arranged on the circuit board 3, and a plurality of interfaces arranged in a rectangular array are arranged in the interface.
[0030] Several modules are integrated on the circuit board 3 .
[0031] A plurality of grooves 13 are formed on the outer wall of the housing 1 near the opening, and a protrusion 12 is disposed in each groove 13 .
[0032] The protrusion 12 includes a right-angle portion 121 and a transition portion 122 . The transition portion 122 is an inclined surface and is disposed on a side of the right-angle portion 121 close to the opening.
[0033] The buckle strip 21 is a U-shaped strip structure, and both ends thereof are integrally formed with the sealing plate 2 . When the buckle strip 21 is buckled with the protrusion 12 , the side of the buckle strip 21 away from the housing 1 is flush with the outer wall of the housing 1 .
[0034] As a preference: Figure 1 As shown, a pair of mutually symmetrical buckles 11 are arranged on opposite sides of the shell 1, and the two buckles 11 are arranged opposite to each other. A convex point is arranged between the two buckles. When the buckles 11 are engaged with a preset bracket on the vehicle door, the convex point presses against the vehicle door, and the two buckles 11 are used to be engaged with the bracket on the vehicle door.
[0035] Preferably, the buckle 11 includes a slope 111 and an elastic portion 112. The slope 111 is located on the side away from the two snap-in openings. The elastic portion 112 can be understood as a hollow clip. When the protrusion presses against the inner wall of the door, the elastic portion 112 is more tightly connected to the bracket.
[0036] As a preferred embodiment: a positioning hole is provided on the preset bracket on the vehicle door, and when the control card is connected to the preset bracket on the vehicle door, the convex point is embedded in the positioning hole to form a secondary anti-slip effect.
[0037] Preferably, a plurality of lining strips 22 are provided on one side of the sealing plate 2 close to the opening of the outer shell 1 , and the plurality of lining strips 22 correspond to the plurality of buckle strips 21 .
[0038] Example 2
[0039] The difference between Example 2 and Example 1 is that:
[0040] Several modules on the circuit board 3 include: power module, crystal oscillator module, reset module, switch signal detection module, door lock motor drive module, rearview mirror control module, rearview mirror heating module, glass lifter control module, door handle control module, door automatic opening or closing control module, light control module, CAN communication module, and LIN communication module.
[0041] Power module: converts the vehicle power voltage into the voltage required by each module control chip and MCU.
[0042] Crystal oscillator module: provides accurate chip operation clock signal.
[0043] Reset module: provides a reset level signal with a time difference from the main chip power supply to ensure that the main chip starts normally.
[0044] Switch signal detection module: converts the high and low level signals contacted by the external switch into signals that can be recognized by the main chip.
[0045] Door lock motor drive module: forward or reverse power is supplied to the door lock motor through the relay to achieve unlocking and locking actions.
[0046] Rearview mirror control module: By supplying forward or reverse power to the rearview mirror motor, the rearview mirror lens can be adjusted up and down, left and right, and folded and unfolded, and the adjusted position of the rearview mirror can be memorized at the same time.
[0047] Rearview mirror heating module: The heater on the rearview mirror is energized through the power control circuit to achieve the purpose of heating the lens.
[0048] Glass lift control module: The glass lift motor is powered forward and reversely through a relay to realize the raising and lowering of the glass. At the same time, the number of ripple pulses and the current of the motor are detected to obtain the position of the glass and the magnitude of the resistance force, thereby realizing anti-pinch control.
[0049] Door handle control module: detects the switch signal on the door handle, and realizes the door handle opening and retracting action by supplying forward and reverse power to the door handle motor.
[0050] Automatic door opening and closing control module: The door is opened and closed by supplying forward power or reverse power to the door switch motor, and the motor ripple pulse and current are detected to obtain the door position and the resistance force, so as to achieve anti-pinch control. The controller drives the ultrasonic radar probe to detect the distance of objects on both sides of the vehicle, so as to evaluate and control the opening of the automatic door.
[0051] Light control module: reads the data information of the vehicle body CAN line, drives the power output according to the functional logic, and thus controls the on and off of the light loads on the door, such as the welcome light, pedal light, switch backlight, blind spot indicator light, etc.
[0052] CAN communication module: receives data information on the CAN bus on the vehicle and sends its own data to the vehicle body CAN bus.
[0053] LIN module: receives LIN signal from combination switch and implements related logic control
[0054] In summary, the utility model has the following beneficial effects: by setting the integrated circuit board in the shell, connecting it to the vehicle body bus through the main line, and then connecting it to each actuator on the door through the branch line, the length of the wiring harness can be effectively shortened, thereby achieving the effect of reducing the wiring harness. The left and right door controllers perform centralized communication control on all electrical equipment on the door: only a pair of CAN twisted pair cables are needed to connect to the bus on the vehicle body to meet the communication needs of all electrical devices in the area, and all electrical control functions are realized. The left and right door control modules are connected to all electrical equipment on the door using the principle of nearby wiring, thereby greatly shortening the length of the vehicle wiring harness, reducing the weight and cost of the entire vehicle wiring harness, and improving the reliability of the system.
[0055] It should be noted that all features disclosed in this specification, or steps in all methods or processes disclosed, except for mutually exclusive features and / or steps, can be combined in any manner.
[0056] In addition, the above specific embodiments are exemplary, and those skilled in the art can come up with various solutions inspired by the disclosure of the utility model, and these solutions also belong to the disclosure scope of the utility model and fall within the protection scope of the utility model. Those skilled in the art should understand that the utility model specification and its drawings are illustrative and do not constitute a limitation of the claims. The protection scope of the utility model is defined by the claims and their equivalents.
Claims
1. A door controller, characterized in that: include: The outer shell (1) is a box structure with an opening on one side, a plurality of protrusions (12) are arranged on the outer wall of the outer shell (1) near the opening, and limit strips are arranged on two symmetrical inner walls of the outer shell (1), and the limit strips extend inwardly along the opening to the inner wall on the side away from the opening; A sealing plate (2) is detachably arranged at the opening of the housing (1), a plurality of buckle strips (21) corresponding to the protrusions (12) are arranged at the outer periphery of the sealing plate (2), and at least one mounting hole is opened on the sealing plate (2); A circuit board (3) is detachably arranged in the housing (1); the bottom surface of the circuit board (3) abuts against the housing (1); the top surface of the circuit board (3) abuts against a limit strip on the inner wall of the housing (1); at least one interface is arranged on the circuit board (3); and a plurality of interfaces arranged in a rectangular array are arranged in the interface.
2. A door controller according to claim 1, characterized in that: A plurality of modules are integrated on the circuit board (3).
3. A door controller according to claim 1, characterized in that: A plurality of grooves (13) are provided on the outer wall of the housing (1) near the opening, and a protrusion (12) is provided in each groove (13).
4. A door controller according to claim 3, characterized in that: The convex block (12) comprises a right-angle portion (121) and a transition portion (122); the transition portion (122) is an inclined surface; and the transition portion (122) is arranged on a side of the right-angle portion (121) close to the opening.
5. A door controller according to claim 4, characterized in that: The buckle strip (21) is in a U-shaped strip structure, and its two ends are respectively formed integrally with the sealing plate (2). When the buckle strip (21) is buckled with the protrusion (12), the side of the buckle strip (21) away from the outer shell (1) is flush with the outer wall of the outer shell (1).