Electric tail gate control system

Abstract

The utility model is applicable to the technical field of automobile components, and provides an electric tail gate control system which comprises an ECU (electronic control unit) module, an automobile body communication module connected with the ECU module, a tail gate driving device and a tail gate locking device. The tail gate driving device comprises a balance rod, and the ECU module is arranged in the balance rod. The vehicle body communication module obtains vehicle bus information. The system is high in integrity and consistency, and is better in system stability.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile components, in particular to an electric tailgate control system. Background Art

[0002] With the progress of technology, various ways have been designed for the opening and closing of the tailgate in automobile design. For example, the patent application No. ZL202021048020.3 discloses an electric tailgate driving device, which includes an electronic control balance rod and a driving rod, and an ECU module is arranged in the electronic control balance rod. The movement of the electronic control balance rod and the driving rod is controlled by the ECU module to realize the opening and closing of the tailgate.

[0003] However, the opening and closing of the tailgate also involve the unlocking and locking of the tailgate. Therefore, a tailgate switch needs to be additionally installed, and an external controller is required to control the opening or closing of the lock tongue. The opening or closing of the lock tongue has a higher safety level for the tailgate control and cannot be controlled by the ECU module. The additionally installed tailgate switches include an external switch of the rear door, an in-vehicle switch, a rear door switch of the remote control key, a kick sensor switch, etc., which makes the consistency and integrity of the electric tailgate control system relatively low. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide an electric tailgate control system to solve the problem of relatively low consistency and integrity of the electric tailgate control system in the prior art.

[0005] To achieve the above object, an embodiment of the utility model provides an electric tailgate control system, which includes an ECU module, a body communication module connected to the ECU module, a tailgate driving device and a tailgate door lock device; the tailgate driving device includes a balance rod, and the ECU module is arranged inside the balance rod; the body communication module acquires vehicle bus information.

[0006] Optionally, the ECU module includes a first control unit for controlling the tailgate driving device and a second control unit for controlling the tailgate door lock device.

[0007] Optionally, the body communication module is further connected to a body control module.

[0008] Optionally, the tailgate driving device further includes a driving rod and a Hall module.

[0009] Optionally, the first control unit includes a first motor power supply interface and a second motor power supply interface connected to the driving rod; the first control unit further includes a Hall power supply interface, a first Hall signal interface, a second Hall signal interface and a Hall ground interface connected to the Hall module.

[0010] Optionally, the tailgate door lock device includes a locking motor, an unlocking motor, and a door lock position switch.

[0011] Optionally, the second control unit includes a third motor power supply interface and a fourth motor power supply interface connected to the locking motor, a fifth motor power supply interface and a sixth motor power supply interface connected to the unlocking motor, a first lock position switch, a second lock position switch, and a third lock position switch connected to the door lock position switch.

[0012] Optionally, the second control unit further includes a first user switch for controlling the first lock position switch, a second user switch for controlling the second lock position switch, and a third user switch for controlling the third lock position switch.

[0013] The electric tailgate control system provided by the embodiment of the present invention controls the tailgate drive device and the tailgate door lock device through the ECU module to complete instructions such as opening, closing, locking, and unlocking, without the assistance of an external controller or domain control, with high integrity and consistency, improving system stability. It can avoid situations where instructions cannot be correctly completed due to inconsistencies between the tailgate drive device and the tailgate door lock device. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the composition structure of the electric tailgate control system provided by the embodiment of the present invention;

[0015] Figure 2 It is the internal structure of the balance bar provided by the embodiment of the present invention;

[0016] Figure 3 It is a detailed schematic diagram of the electric tailgate control system provided by the embodiment of the present invention.

[0017] The realization, functional characteristics, and advantages of the object of the present invention will be further described in conjunction with the embodiments with reference to the drawings. Detailed Embodiments

[0018] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0019] It should be noted that in this text, the term "including", "comprising", or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device including a series of elements not only includes those elements but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article, or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, article, or device including that element.

[0020] In this document, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present invention, and they themselves have no specific meaning. Therefore, "module" and "component" can be used interchangeably.

[0021] like Figure 1 As shown, the embodiment of the utility model provides an electric tailgate control system, including an ECU module 11, a vehicle body communication module 12, a tailgate drive device 13, and a tailgate door lock device 14. Among them, the vehicle body communication module 12, the tailgate drive device 13, and the tailgate door lock device 14 are all connected to the ECU module 11.

[0022] According to the function of the ECU (Electronic Control Unit) module 11, the vehicle body communication module 12 can obtain vehicle bus information, and can judge the vehicle status according to the vehicle bus information, so as to automatically control the opening and locking of the tailgate according to the vehicle status.

[0023] In one embodiment, the vehicle body communication module is any electronic component that can provide a CAN interface, and the CAN interface is used to access the two signal lines CAN_H and CAN_L to achieve CAN bus communication. The vehicle bus information obtained by the module exemplarily includes vehicle status signals such as tailgate door lock status and vehicle speed.

[0024] In practical applications, the tailgate driving device 13 includes a balancing rod 131, and the ECU module 11 is disposed inside the balancing rod 131. Figure 2 As shown, exemplarily, one implementation method of disposing the ECU module 11 inside the balance bar 131 is: the ECU module 11 is fixed in the outer sleeve of the electric control rod of the balance bar 131, and is located near the lead-out end of the wiring harness, one end of the wiring harness is electrically connected to the ECU module 11, and the other end of the wiring harness is electrically connected to the tailgate drive device 13 and the tailgate door lock device 14 respectively.

[0025] like Figure 3 As shown, in a detailed structure of an achievable electric tailgate control system, the ECU module 11 includes a first control unit 111 for controlling the tailgate drive device 13, and a second control unit 112 for controlling the tailgate door lock device 14. Therefore, the ECU module 11 controls the tailgate drive device 13 through the first control unit 111, and controls the tailgate door lock device 14 through the second control unit 112. It can be understood that the ECU module 11 is also connected to a power supply, and therefore, it also includes the following. Figure 3 VBAT interface in.

[0026] based on Figure 1 and Figure 3 The working principle of the electric tailgate control system shown is:

[0027] Assume that based on the vehicle body communication module 12, the ECU module 11 receives a signal to open the tailgate. Then, based on the electric tailgate control system provided by the embodiment of the present invention, the tailgate lock device 14 can be first made to be in the unlocked state by the second control unit 112, and then the tailgate drive device 13 can be made to move by the first control unit 111 to achieve the opening of the tailgate. If, based on the vehicle body communication module 12, the ECU module 11 receives a closing signal, then for the electric tailgate control system provided by the embodiment of the present invention, the tailgate drive device 13 can be first made to move by the first control unit 111 to achieve the closing of the tailgate, and then the tailgate lock device 14 can be made to be in the locked state by the second control unit 112.

[0028] In the embodiment of the present invention, the first control unit 111 and the second control unit 112 of the ECU module 11 are used to achieve the opening, closing, locking, and unlocking of the tailgate, forming an electric tailgate control system with high integrity and consistency. It does not require the assistance of an external controller or domain control, has high integrity and consistency, and improves the system stability. It can avoid situations where the commands cannot be correctly completed due to the inconsistency between the tailgate drive device and the tailgate lock device.

[0029] However, it should be noted that the embodiment of the present invention does not limit the signals received by the ECU module 11, that is, the signals received by the ECU module 11 are not limited to the signal to open the tailgate and the signal to close the tailgate. In actual applications, the vehicle body communication module 12 can judge the vehicle state according to control commands, the state of the tailgate lock device 14, and the state of the tailgate drive device 13, and then generate various signals. Exemplarily, the signal received by the ECU module 11 can also be a signal to only close but not lock the tailgate, etc.

[0030] In one embodiment, the vehicle body communication module is also connected to the vehicle body control module to establish communication between the ECU module and the BCM (Body Control Module). In fact, it increases the functions of the BCM, so that the ECU module can be operated on the BCM, and then the tailgate lock device and the tailgate drive device can be controlled.

[0031] As Figure 3 shown, the embodiment of the present invention also shows the detailed composition structures of the ECU module 11, the tailgate drive device 13, and the tailgate lock device 14, and further explains the implementation of the connection between the ECU module 11 and the tailgate drive device 13 established by the first control unit 111 and the implementation of the connection between the ECU module 11 and the tailgate lock device 14 established by the second control unit 112 in the electric tailgate control system shown above. Figure 1

[0032] Figure 3 ​​, the tailgate drive device 13 further includes a drive rod 132 and a Hall module 133; the first control unit 111 includes a first motor power supply interface M1 and a second motor power supply interface M2 connected to the drive rod 132; the first control unit 111 further includes a Hall power supply interface HVDD, a first Hall signal interface H1, a second Hall signal interface H2, and a Hall ground interface H3 connected to the Hall module 133.

[0033] See Figure 3 , the tailgate lock device 14 includes a locking motor 141, an unlocking motor 142, and a door lock position switch 143; the second control unit 112 includes a third motor power supply interface M3 and a fourth motor power supply interface M4 connected to the locking motor 141, a fifth motor power supply interface M5 and a sixth motor power supply interface M6 connected to the unlocking motor 142, a first lock position switch K1, a second lock position switch K2, and a third lock position switch K3 connected to the door lock position switch 143. Among them, through the states of the door lock position switch 143, the first lock position switch K1, the second lock position switch K2, and the third lock position switch K3 connected to the door lock position switch 143, the ECU module 11 can judge the actual state and position of the door lock.

[0034] See Figure 3 , in one embodiment, it further includes a first user switch U1, a second user switch U2, and a third user switch U3 connected to the ECU module 11. It should be noted that the above-mentioned first user switch U1, second user switch U2, and third user switch U3 are physical hard-wired switches.

[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the foregoing embodiments have described the present invention in detail, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. An electric tailgate control system, characterized in that: The invention comprises an ECU module (11), a vehicle body communication module (12) connected to the ECU module (11), a tailgate drive device (13) and a tailgate door lock device (14); the tailgate drive device (13) comprises a balance bar (131), and the ECU module (11) is arranged inside the balance bar (131); and the vehicle body communication module (12) obtains vehicle bus information.

2. The electric tailgate control system according to claim 1, characterized in that: The ECU module (11) comprises a first control unit (111) for controlling the tailgate driving device (13), and a second control unit (112) for controlling the tailgate door locking device (14).

3. The electric tailgate control system according to claim 1, characterized in that: The vehicle body communication module (12) is also connected to the vehicle body control module.

4. The electric tailgate control system according to claim 2, characterized in that: The tailgate driving device (13) further comprises a driving rod (132) and a Hall module (133).

5. The electric tailgate control system according to claim 4, characterized in that: The first control unit (111) comprises a first motor power supply interface and a second motor power supply interface connected to the driving rod (132); the first control unit (111) further comprises a Hall power supply interface, a first Hall signal interface, a second Hall signal interface and a Hall grounding interface connected to the Hall module (133).

6. The electric tailgate control system according to claim 2, characterized in that: The tailgate door lock device (14) comprises a locking motor (141), an unlocking motor (142) and a door lock position switch (143).

7. The electric tailgate control system according to claim 6, characterized in that: The second control unit (112) comprises a third motor power supply interface and a fourth motor power supply interface connected to the locking motor (141), a fifth motor power supply interface and a sixth motor power supply interface connected to the unlocking motor (142), and a first lock position switch, a second lock position switch and a third lock position switch connected to the door lock position switch (143).

8. The electric tailgate control system according to claim 1, characterized in that: It also includes a first user switch, a second user switch and a third user switch connected to the ECU module (11).

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