Domain controller, separable tailgate system and vehicle

Abstract

The invention discloses a domain controller, a detachable tailgate system and a vehicle. The domain controller comprises a control circuit, a driving circuit and a plurality of half-bridge driving assemblies, the driving circuit is electrically connected with the control circuit, and the half-bridge driving assemblies are electrically connected with the driving circuit. The half-bridge driving assemblies are used for driving the driving devices so that the first vehicle door and the second vehicle door can pivot between the closing position and the opening position, and the half-bridge driving assemblies are further used for driving the electric suction locks so that the first vehicle door and / or the second vehicle door can be locked or unlocked. When the first vehicle door and the second vehicle door are both in the closed position, an overlapping portion exists between the first vehicle door and the second vehicle door, the first vehicle door is one of the top door and the bottom door, and the second vehicle door is the other of the top door and the bottom door. In this way, the domain controller can be applied to a detachable tailgate system of a vehicle.

Description

Technical Field

[0001] The present application relates to the field of automobile accessories, and in particular to a domain controller, a detachable tailgate system and a vehicle. Background Art

[0002] The vehicle's body control system generally includes an electric tailgate system. The electric tailgate system includes a domain controller, which is used to control the electric opening and closing of the vehicle's tailgate. At present, some high-end luxury models often have a detachable tailgate system with richer usage scenarios in the rear trunk. However, the existing domain controller is not applicable to the vehicle's detachable tailgate system. Summary of the invention

[0003] The domain controller, detachable tailgate system and vehicle provided in the present application can solve the problem in the prior art that the domain controller cannot be applied to the detachable tailgate system of the vehicle.

[0004] In order to solve the above technical problems, a technical solution adopted in the present application is: providing a domain controller, the domain controller comprising: a control circuit; a drive circuit electrically connected to the control circuit; a plurality of half-bridge drive components electrically connected to the drive circuit, the plurality of half-bridge drive components being used to drive a plurality of drive devices so that the first door and the second door can pivot between a closed position and an open position, and being used to drive a plurality of electric suction locks to lock or unlock the first door and / or the second door; wherein, when the first door and the second door are both in the closed position, there is an overlapping portion between the first door and the second door; the first door is one of a sky door and a ground door, and the second door is the other of the sky door and the ground door.

[0005] In some embodiments, the first door is the sky door, and the second door is the ground door; the plurality of drive devices include: a first drive device and a second drive device for opening or closing the first door; a third drive device for opening or closing the second door; the plurality of electric suction locks include: a first electric suction lock for locking or unlocking the first door; a second electric suction lock and a third electric suction lock for locking or unlocking the second door; the plurality of half-bridge drive components include: a first half-bridge drive component and a second half-bridge drive component, which are electrically connected to the drive circuit, and the first half-bridge drive component and the second half-bridge drive component are used to simultaneously drive the first drive device and the second drive device; the third half-bridge drive component is electrically connected to the drive circuit, and the first half-bridge drive component The component and the third half-bridge drive component are used to drive the locking motor in the first electric suction lock; the fourth half-bridge drive component is electrically connected to the drive circuit, and the fourth half-bridge drive component is used to drive the unlocking motor in the first electric suction lock; the fifth half-bridge drive component and the sixth half-bridge drive component are electrically connected to the drive circuit, and the fifth half-bridge drive component and the sixth half-bridge drive component are used to drive the third drive device; the seventh half-bridge drive component is electrically connected to the drive circuit, and the fifth half-bridge drive component and the seventh half-bridge drive component are used to drive the locking motor in the second electric suction lock and the third electric suction lock; the eighth half-bridge drive component is electrically connected to the drive circuit, and the eighth half-bridge drive component is used to drive the unlocking motor in the second electric suction lock and the third electric suction lock.

[0006] In some embodiments, the control end of the first half-bridge drive component is electrically connected to the drive circuit, and the output end of the first half-bridge drive component is electrically connected to the positive poles of the drive motor in the first drive device, the drive motor in the second drive device and the locking motor in the first electric suction lock respectively; the control end of the second half-bridge drive component is electrically connected to the drive circuit, and the output end of the second half-bridge drive component is electrically connected to the negative poles of the drive motor in the first drive device and the drive motor in the second drive device respectively; the control end of the third half-bridge drive component is electrically connected to the drive circuit, and the output end of the third half-bridge drive component is electrically connected to the negative pole of the locking motor in the first electric suction lock; the control end of the fourth half-bridge drive component is electrically connected to the drive circuit, and the output end of the fourth half-bridge drive component is electrically connected to the positive pole of the unlocking motor in the first electric suction lock, and the negative pole of the unlocking motor in the first electric suction lock is grounded; the control end of the fifth half-bridge drive component is electrically connected to the drive circuit, and the output end of the fourth half-bridge drive component is electrically connected to the positive pole of the unlocking motor in the first electric suction lock, and the negative pole of the unlocking motor in the first electric suction lock is grounded; The first half-bridge driving component is electrically connected to the driving circuit, and the output end of the fifth half-bridge driving component is electrically connected to the positive poles of the driving motor in the third driving device, the locking motor in the second electric suction lock, and the locking motor in the third electric suction lock; the control end of the sixth half-bridge driving component is electrically connected to the driving circuit, and the output end of the sixth half-bridge driving component is electrically connected to the negative pole of the driving motor in the third driving device; the control end of the seventh half-bridge driving component is electrically connected to the driving circuit, and the output end of the seventh half-bridge driving component is electrically connected to the locking motor in the second electric suction lock and the negative pole of the locking motor in the third electric suction lock; the control end of the eighth half-bridge driving component is electrically connected to the driving circuit, and the output end of the eighth half-bridge driving component is electrically connected to the positive poles of the unlocking motor in the second electric suction lock and the unlocking motor in the third electric suction lock, respectively, and the negative poles of the unlocking motor in the second electric suction lock and the unlocking motor in the third electric suction lock are grounded.

[0007] In some embodiments, the domain controller further includes a signal input circuit, and the signal input circuit is used to receive signals input from rotation speed sensors in the plurality of drive devices and signals input from position sensors in the plurality of electric suction locks.

[0008] In some embodiments, the domain controller further includes a power switch, a control end of the power switch is electrically connected to the control circuit, and the power switch is used to drive the rotation speed sensor.

[0009] In some embodiments, the domain controller further includes a step-down circuit, which is electrically connected to the control circuit to provide an operating voltage to the control circuit, and the step-down circuit is used to be electrically connected to a power supply.

[0010] In some embodiments, the domain controller further includes a CAN transceiver circuit, the CAN transceiver circuit is electrically connected to the control circuit, and the CAN transceiver circuit is used to be electrically connected to a CAN bus.

[0011] In some embodiments, the domain controller further includes a LIN transceiver circuit, the LIN transceiver circuit is electrically connected to the control circuit, and the LIN transceiver circuit is used to be electrically connected to a LIN bus.

[0012] In some embodiments, the driving circuit is a multi-channel half-bridge gate driving chip.

[0013] Another technical solution adopted in the present application is: to provide a detachable tailgate system, the detachable tailgate system comprising: a domain controller; a first drive device and a second drive device, electrically connected to the domain controller; a first door, drivingly connected to the first drive device and the second drive device, and capable of pivoting between a closed position and an open position when driven; a first electric suction lock, electrically connected to the domain controller, the first electric suction lock is used to lock or unlock the first door; a third drive device, electrically connected to the domain controller; a second door, drivingly connected to the third drive device, and capable of pivoting between a closed position and an open position when driven; a second electric suction lock and a third electric suction lock, electrically connected to the domain controller, the second electric suction lock and the third electric suction lock are used to lock or unlock the second door; wherein, when the first door and the second door are both in the closed position, there is an overlapping portion between the first door and the second door; wherein, the domain controller is any one of the domain controllers described above.

[0014] Another technical solution adopted by the present application is: providing a vehicle, the vehicle comprising the above-mentioned detachable tailgate system.

[0015] The beneficial effects of the present application are as follows: Different from the prior art, the domain controller provided by the present application includes: a control circuit; a drive circuit electrically connected to the control circuit; a plurality of half-bridge drive components electrically connected to the drive circuit, the plurality of half-bridge drive components being used to drive a plurality of drive devices so that the first door and the second door can pivot between a closed position and an open position, and being used to drive a plurality of electric suction locks to lock or unlock the first door and / or the second door; wherein, when the first door and the second door are both in the closed position, there is an overlapping portion between the first door and the second door; wherein, the first door is one of a sky door and a ground door, and the second door is the other of the sky door and the ground door. In this way, the domain controller can be applied to a detachable tailgate system of a vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 is a schematic diagram of the structure of a vehicle provided in some embodiments of the present application;

[0018] Figure 2 is a schematic structural diagram of a detachable tailgate system provided in some embodiments of the present application;

[0019] Figure 3 is a schematic diagram of the structure of a domain controller provided in some embodiments of the present application;

[0020] Figure 4 is a schematic diagram of the structure of a domain controller provided in some other embodiments of the present application;

[0021] Figure 5 is a schematic diagram of the structure of a domain controller provided in some other embodiments of the present application;

[0022] Figure 6 is a schematic diagram of the structure of a signal input circuit provided in some embodiments of the present application;

[0023] Figure 7 is a schematic diagram of the structure of a power switch provided in some embodiments of the present application;

[0024] Figure 8 It is a schematic diagram of the structure of a half-bridge drive assembly provided in some embodiments of the present application.

[0025] In the figure: 1000-vehicle, 100-detachable tailgate system, 110-domain controller, 111-control circuit, 112-drive circuit, 113-several half-bridge drive components, 1131-first half-bridge drive component, 1132-second half-bridge drive component, 1133-third half-bridge drive component, 1134-fourth half-bridge drive component, 1135-fifth half-bridge drive component, 1136-sixth half-bridge drive component, 1137-seventh half-bridge drive component, 1138-eighth half-bridge drive component, 114-signal input circuit, 115-power switch, 116-step-down Circuit, 117-CAN transceiver circuit, 118-LIN transceiver circuit, 120-several driving devices, 121-first driving device, 122-second driving device, 123-third driving device, 130-several electric suction locks, 131-first electric suction lock, 132-second electric suction lock, 133-third electric suction lock, 140-first door, 150-second door, 160-CAN bus, 170-LIN bus, 180-power supply, H-speed sensor, P-half lock position sensor, C-full lock position sensor, L-reset position sensor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It will be appreciated that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some but not all structures related to the present application are shown in the drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the art without making creative work are within the scope of protection of the present application.

[0027] The terms "first", "second", "third" in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of this application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In the embodiments of this application, all directional indications (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the steps or units listed, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0028] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0029] The domain controller provided by the present application includes: a control circuit; a drive circuit electrically connected to the control circuit; a plurality of half-bridge drive components electrically connected to the drive circuit, the plurality of half-bridge drive components being used to drive a plurality of drive devices so that the first door and the second door can pivot between a closed position and an open position, and being used to drive a plurality of electric suction locks to lock or unlock the first door and / or the second door; wherein, when the first door and the second door are both in a closed position, there is an overlapping portion between the first door and the second door; wherein, the first door is one of a sky door and a ground door, and the second door is the other of the sky door and the ground door. In this way, the domain controller can be applied to a detachable tailgate system of a vehicle.

[0030] See also Figure 1 , Figure 1 1 is a schematic diagram of the structure of a vehicle provided in some embodiments of the present application. The vehicle 1000 provided in the present application may include but is not limited to a detachable tailgate system 100. The detachable tailgate system 100 can enrich the usage scenarios of the rear trunk of the vehicle 1000.

[0031] Please refer to Figure 1 and Figure 2 , Figure 2 1 is a schematic diagram of the structure of a detachable tailgate system provided in some embodiments of the present application. The detachable tailgate system 100 provided in the present application may include but is not limited to a domain controller 110, a first drive device 121, a second drive device 122, a first door 140, a second door 150, a first electric suction lock 131, a third drive device 123, a second electric suction lock 132 and a third electric suction lock 133. Among them, the plurality of drive devices 120 include a first drive device 121, a second drive device 122 and a third drive device 123. The plurality of electric suction locks 130 include a first electric suction lock 131, a second electric suction lock 132 and a third electric suction lock 133. Among them, the domain controller 110 can receive signals from inside and outside the vehicle 1000, such as a remote control key signal, an in-vehicle button operation signal or a sensor input signal of the vehicle 1000 itself, and can output a control signal to the plurality of drive devices 120 to realize the automatic opening and closing of the first door 140 and / or the second door 150. The first vehicle door 140 may be one of a top door and a bottom door. The second vehicle door 150 may be the other of a top door and a bottom door. A top door refers to a vehicle tailgate that is hinged to the vehicle body at the top. A bottom door refers to a vehicle tailgate that is hinged to the vehicle body at the bottom.

[0032] Specifically, the first driving device 121 and the second driving device 122 are both electrically connected to the domain controller 110. The first door 140 is drivingly connected to the first driving device 121 and the second driving device 122 to realize automatic opening and closing when driven. When the first driving device 121 and the second driving device 122 drive the first door 140, the first door 140 can pivot between a closed position and an open position. The first electric suction lock 131 is electrically connected to the domain controller 110, and the first electric suction lock 131 is used to lock or unlock the first door 140. When the first door 140 is closed, the first electric suction lock 131 locks the first door 140; when the first door 140 needs to be opened, the first electric suction lock 131 unlocks the first door 140. The third driving device 123 is electrically connected to the domain controller 110. The second door 150 is drivingly connected to the third driving device 123 to realize automatic opening and closing when driven. When the third driving device 123 drives the second door 150, the second door 150 can pivot between the closed position and the open position. The second electric suction lock 132 and the third electric suction lock 133 are both electrically connected to the domain controller 110. The second electric suction lock 132 and the third electric suction lock 133 are both used to lock or unlock the second door 150. In this embodiment, when the second door 150 is closed, the second electric suction lock 132 and the third electric suction lock 133 lock the second door 150 at the same time; when the second door 150 needs to be opened, the second electric suction lock 132 and the third electric suction lock 133 unlock the second door 150 at the same time. When the first door 140 and the second door 150 are both in the closed position, there is an overlap between the first door 140 and the second door 150, so that the domain controller 110 needs to control the movement of the first door 140 and the second door 150 in a certain logical order to avoid collision between the first door 140 and the second door 150. In this embodiment, the first door 140 is a sky door hinged to the vehicle body at the top, and the second door 150 is a ground door hinged to the vehicle body at the bottom.

[0033] See also Figure 3 , Figure 31 is a schematic diagram of the structure of the domain controller provided in some embodiments of the present application. In this embodiment, the domain controller 110 provided in the present application may include but is not limited to a control circuit 111, a drive circuit 112 and a plurality of half-bridge drive components 113. Specifically, the drive circuit 112 is electrically connected to the control circuit 111. A plurality of half-bridge drive components 113 are electrically connected to the drive circuit 112. A plurality of half-bridge drive components 113 are used to drive a plurality of drive devices 120 so that the first door 140 and the second door 150 can pivot between a closed position and an open position. A plurality of half-bridge drive components 113 are also used to drive a plurality of electric suction locks 130 to lock or unlock the first door 140 and / or the second door 150. Among them, when the first door 140 and the second door 150 are both in the closed position, there is an overlapping part between the first door 140 and the second door 150, so that the control circuit 111 needs to control the movement of the first door 140 and the second door 150 in a certain logical order to avoid collision between the first door 140 and the second door 150.

[0034] Optionally, the drive circuit 112 is a multi-channel half-bridge gate drive chip, which is used to amplify the control signal from the control circuit 111 to quickly and effectively switch the on and off states of several half-bridge drive components 113, thereby controlling the direction and size of the current to drive several drive devices 120 and several electric suction locks 130.

[0035] Please refer to Figure 3 and Figure 4 , Figure 4 1 is a schematic diagram of the structure of the domain controller provided in some other embodiments of the present application. In this embodiment, the domain controller 110 further includes a step-down circuit 116. The step-down circuit 116 is electrically connected to the control circuit 111 to provide a working voltage to the control circuit 111. The step-down circuit 116 is electrically connected to the power supply 180 to convert the high voltage of the power supply 180 to the working voltage required by the control circuit 111.

[0036] Furthermore, the domain controller 110 further includes a CAN transceiver circuit 117. The CAN transceiver circuit 117 is electrically connected to the control circuit 111. The CAN transceiver circuit 117 is used to be electrically connected to the CAN bus 160 to achieve efficient communication between the domain controller 110 and other control units of the vehicle 1000.

[0037] Furthermore, the domain controller 110 further includes a LIN transceiver circuit 118. The LIN transceiver circuit 118 is electrically connected to the control circuit 111. The LIN transceiver circuit 118 is used to electrically connect to the LIN bus 170 to achieve communication between the domain controller 110 and other control units of the vehicle 1000.

[0038] Furthermore, the domain controller 110 further includes a signal input circuit 114. The signal input circuit 114 is used to receive signals input from rotation speed sensors in the plurality of drive devices 120. The signal input circuit 114 is also used to receive signals input from position sensors in the plurality of electric suction locks 130.

[0039] Please refer to Figure 3-Figure 5 , Figure 5 1 is a schematic diagram of the structure of the domain controller provided by some other embodiments of the present application. In this embodiment, the plurality of drive devices 120 may include but are not limited to a first drive device 121, a second drive device 122, and a third drive device 123. The first drive device 121 and the second drive device 122 are used to open or close the first door 140. The third drive device 123 is used to open or close the second door 150.

[0040] Further, the plurality of electric suction locks 130 may include but are not limited to a first electric suction lock 131, a second electric suction lock 132 and a third electric suction lock 133. The first electric suction lock 131 is used to lock or unlock the first door 140. The second electric suction lock 132 and the third electric suction lock 133 are used to lock or unlock the second door 150.

[0041] Further, the plurality of half-bridge drive components 113 may include but are not limited to a first half-bridge drive component 1131, a second half-bridge drive component 1132, a third half-bridge drive component 1133, a fourth half-bridge drive component 1134, a fifth half-bridge drive component 1135, a sixth half-bridge drive component 1136, a seventh half-bridge drive component 1137, and an eighth half-bridge drive component 1138. Among them, the first half-bridge drive component 1131 and the second half-bridge drive component 1132 are electrically connected to the drive circuit 112. The first half-bridge drive component 1131 and the second half-bridge drive component 1132 are used to simultaneously drive the first drive device 121 and the second drive device 122. The third half-bridge drive component 1133 is electrically connected to the drive circuit 112. The first half-bridge drive component 1131 and the third half-bridge drive component 1133 are used to drive the locking motor M4 in the first electric suction lock 131. The fourth half-bridge drive component 1134 is electrically connected to the drive circuit 112. The fourth half-bridge driving component 1134 is used to drive the unlocking motor M3 in the first electric suction lock 131. The fifth half-bridge driving component 1135 and the sixth half-bridge driving component 1136 are both electrically connected to the driving circuit 112. The fifth half-bridge driving component 1135 and the sixth half-bridge driving component 1136 are used to drive the third driving device 123. The seventh half-bridge driving component 1137 is electrically connected to the driving circuit 112. The fifth half-bridge driving component 1135 and the seventh half-bridge driving component 1137 are used to drive the locking motor M7 of the second electric suction lock 132 and the locking motor M9 in the third electric suction lock 133. The eighth half-bridge driving component 1138 is electrically connected to the driving circuit 112. The eighth half-bridge driving component 1138 is used to drive the unlocking motor M6 of the second electric suction lock 132 and the unlocking motor M8 in the third electric suction lock 133.

[0042] Please refer to Figure 5 and Figure 8 , Figure 81 is a schematic diagram of the structure of a half-bridge drive component provided in some embodiments of the present application. The half-bridge drive component is composed of two MOS tubes connected. A half-bridge drive component has two control terminals and an output terminal. In this embodiment, the control terminal of the first half-bridge drive component 1131 is electrically connected to the drive circuit 112. The output terminal of the first half-bridge drive component 1131 is electrically connected to the positive pole of the drive motor M1 in the first drive device 121, the drive motor M2 in the second drive device 122, and the locking motor M4 in the first electric suction lock 131. The control terminal of the second half-bridge drive component 1132 is electrically connected to the drive circuit 112. The output terminal of the second half-bridge drive component 1132 is electrically connected to the negative pole of the drive motor M1 in the first drive device 121 and the drive motor M2 in the second drive device 122. The control terminal of the third half-bridge drive component 1133 is electrically connected to the drive circuit 112. The output terminal of the third half-bridge drive component 1133 is electrically connected to the negative pole of the locking motor M4 in the first electric suction lock 131. The control end of the fourth half-bridge driving component 1134 is electrically connected to the driving circuit 112. The output end of the fourth half-bridge driving component 1134 is electrically connected to the positive pole of the unlocking motor M3 in the first electric suction lock 131. The negative pole of the unlocking motor M3 in the first electric suction lock 131 is grounded. The control end of the fifth half-bridge driving component 1135 is electrically connected to the driving circuit 112. The output end of the fifth half-bridge driving component 1135 is electrically connected to the positive poles of the driving motor M5 in the third driving device 123, the locking motor M7 in the second electric suction lock 132, and the locking motor M9 in the third electric suction lock 133. The control end of the sixth half-bridge driving component 1136 is electrically connected to the driving circuit 112. The output end of the sixth half-bridge driving component 1136 is electrically connected to the negative pole of the driving motor M5 in the third driving device 123. The control end of the seventh half-bridge driving component 1137 is electrically connected to the driving circuit 112. The output end of the seventh half-bridge driving component 1137 is electrically connected to the negative poles of the locking motor M7 in the second electric suction lock 132 and the locking motor M9 in the third electric suction lock 133. The control end of the eighth half-bridge driving component 1138 is electrically connected to the driving circuit 112. The output end of the eighth half-bridge driving component 1138 is electrically connected to the positive poles of the unlocking motor M6 in the second electric suction lock 132 and the unlocking motor M8 in the third electric suction lock 133. The negative poles of the unlocking motor M6 in the second electric suction lock 132 and the unlocking motor M8 in the third electric suction lock 133 are grounded.

[0043] Please refer to Figure 4-Figure 6 , Figure 61 is a schematic diagram of the structure of the signal input circuit provided in some embodiments of the present application. In this embodiment, the first driving device 121 includes a speed sensor H1. The second driving device 122 includes a speed sensor H2. The third driving device 123 includes a speed sensor H3. Among them, the speed sensor H includes a speed sensor H1, a speed sensor H2 and a speed sensor H3. A signal input circuit 114 is electrically connected between the speed sensor H and the control circuit 111.

[0044] Further, the first electric suction lock 131 includes a half-lock position sensor P1, a full-lock position sensor C1 and a reset position sensor L1. The second electric suction lock 132 includes a half-lock position sensor P2, a full-lock position sensor C2 and a reset position sensor L2. The third electric suction lock 133 includes a half-lock position sensor P3, a full-lock position sensor C3 and a reset position sensor L3. Among them, the half-lock position sensor P includes a half-lock position sensor P1, a half-lock position sensor P2 and a half-lock position sensor P3. The full-lock position sensor C includes a full-lock position sensor C1, a full-lock position sensor C2 and a full-lock position sensor C3. The reset position sensor L includes a reset position sensor L1, a reset position sensor L2 and a reset position sensor L3. A signal input circuit 114 is electrically connected between the half-lock position sensor P or the full-lock position sensor C or the reset position sensor L and the control circuit 111.

[0045] The signal input circuit 114 can be obtained by connecting resistors in series to divide the voltage.

[0046] Optionally, the speed sensor H may be a Hall sensor. In some embodiments, the speed sensor H has only one signal line output. In other embodiments, the speed sensor H may have two signal lines output, wherein the two signal lines may both be used to indicate the rotation direction of the motor, or one signal line may be used to indicate the rotation direction of the motor and the other signal line may be used to indicate the rotation speed of the motor.

[0047] Optionally, the half-lock position sensor P or the full-lock position sensor C or the reset position sensor L may be a light-touch micro switch.

[0048] Please refer to Figure 5 and Figure 7 , Figure 7 1 is a schematic diagram of the structure of the power switch provided in some embodiments of the present application. In this embodiment, the domain controller 110 further includes a power switch 115. The control end of the power switch 115 is electrically connected to the control circuit 111. The input end of the power switch 115 is connected to a 12V power supply. The output end of the power switch 115 is electrically connected to the speed sensor H to drive the speed sensor H.

[0049] The domain controller 110 provided in the present application includes: a control circuit 111, a drive circuit 112 and a plurality of half-bridge drive components 113. The drive circuit 112 is electrically connected to the control circuit 111. The plurality of half-bridge drive components 113 are electrically connected to the drive circuit 112. The plurality of half-bridge drive components 113 are used to drive a plurality of drive devices 120 so that the first door 140 and the second door 150 can pivot between a closed position and an open position. The plurality of half-bridge drive components 113 are also used to drive a plurality of electric suction locks 130 to lock or unlock the first door 140 and / or the second door 150. When both the first door 140 and the second door 150 are in the closed position, there is an overlapping portion between the first door 140 and the second door 150; wherein the first door 140 is one of the sky door and the ground door, and the second door 150 is the other of the sky door and the ground door. In this way, the domain controller 110 can be adapted to the detachable tailgate system 100 of the vehicle 1000 .

[0050] The above descriptions are only some embodiments of the present application, and do not limit the protection scope of the present application. Any equivalent device or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A domain controller, characterized in that: include: Control circuit; A driving circuit electrically connected to the control circuit; a plurality of half-bridge drive assemblies electrically connected to the drive circuit, the plurality of half-bridge drive assemblies being used to drive a plurality of drive devices so that the first door and the second door can pivot between a closed position and an open position, and to drive a plurality of electric suction locks to lock or unlock the first door and / or the second door; Wherein, when the first door and the second door are both in the closed position, there is an overlapping portion between the first door and the second door; The first vehicle door is one of a sky door and a ground door, and the second vehicle door is the other of the sky door and the ground door.

2. The domain controller according to claim 1, characterized in that: The first vehicle door is the sky door, and the second vehicle door is the ground door; The plurality of driving devices include: A first driving device and a second driving device, for opening or closing the first door; a third driving device, used for opening or closing the second door; The plurality of electric suction locks include: A first electric suction lock, used to lock or unlock the first door; A second electric suction lock and a third electric suction lock, used for locking or unlocking the second door; The plurality of half-bridge drive components include: A first half-bridge driving component and a second half-bridge driving component are electrically connected to the driving circuit, and the first half-bridge driving component and the second half-bridge driving component are used to drive the first driving device and the second driving device simultaneously; A third half-bridge driving component is electrically connected to the driving circuit, wherein the first half-bridge driving component and the third half-bridge driving component are used to drive a locking motor in a first electric suction lock; a fourth half-bridge driving component, electrically connected to the driving circuit, and configured to drive an unlocking motor in the first electric suction lock; A fifth half-bridge driving component and a sixth half-bridge driving component are electrically connected to the driving circuit, and the fifth half-bridge driving component and the sixth half-bridge driving component are used to drive the third driving device; A seventh half-bridge driving component is electrically connected to the driving circuit, and the fifth half-bridge driving component and the seventh half-bridge driving component are used to drive the locking motors in the second electric suction lock and the third electric suction lock; An eighth half-bridge driving component is electrically connected to the driving circuit, and the eighth half-bridge driving component is used to drive the unlocking motors in the second electric suction lock and the third electric suction lock.

3. The domain controller according to claim 2, characterized in that: The control end of the first half-bridge driving component is electrically connected to the driving circuit, and the output end of the first half-bridge driving component is electrically connected to the positive poles of the driving motor in the first driving device, the driving motor in the second driving device, and the locking motor in the first electric suction lock; The control end of the second half-bridge driving component is electrically connected to the driving circuit, and the output end of the second half-bridge driving component is electrically connected to the negative poles of the driving motor in the first driving device and the driving motor in the second driving device respectively; The control end of the third half-bridge driving component is electrically connected to the driving circuit, and the output end of the third half-bridge driving component is electrically connected to the negative pole of the locking motor in the first electric suction lock; The control end of the fourth half-bridge driving component is electrically connected to the driving circuit, the output end of the fourth half-bridge driving component is electrically connected to the positive pole of the unlocking motor in the first electric suction lock, and the negative pole of the unlocking motor in the first electric suction lock is grounded; The control end of the fifth half-bridge driving component is electrically connected to the driving circuit, and the output end of the fifth half-bridge driving component is electrically connected to the positive poles of the driving motor in the third driving device, the locking motor in the second electric suction lock, and the locking motor in the third electric suction lock respectively; The control end of the sixth half-bridge driving component is electrically connected to the driving circuit, and the output end of the sixth half-bridge driving component is electrically connected to the negative pole of the driving motor in the third driving device; The control end of the seventh half-bridge driving component is electrically connected to the driving circuit, and the output end of the seventh half-bridge driving component is electrically connected to the negative poles of the locking motor in the second electric suction lock and the locking motor in the third electric suction lock respectively; The control end of the eighth half-bridge driving component is electrically connected to the driving circuit, and the output end of the eighth half-bridge driving component is electrically connected to the positive pole of the unlocking motor in the second electric suction lock and the unlocking motor in the third electric suction lock respectively, and the negative pole of the unlocking motor in the second electric suction lock and the unlocking motor in the third electric suction lock is grounded.

4. The domain controller according to claim 1, characterized in that: The domain controller also includes a signal input circuit, which is used to receive signals input by rotation speed sensors in the plurality of drive devices and signals input by position sensors in the plurality of electric suction locks.

5. The domain controller according to claim 4, characterized in that: The domain controller further includes a power switch, a control end of the power switch is electrically connected to the control circuit, and the power switch is used to drive the rotation speed sensor.

6. The domain controller according to claim 1, characterized in that: The domain controller further includes a step-down circuit, which is electrically connected to the control circuit to provide a working voltage to the control circuit, and the step-down circuit is used to be electrically connected to a power supply.

7. The domain controller according to claim 1, characterized in that: The domain controller further includes a CAN transceiver circuit, the CAN transceiver circuit is electrically connected to the control circuit, and the CAN transceiver circuit is used to be electrically connected to a CAN bus.

8. The domain controller according to claim 1, characterized in that: The domain controller further includes a LIN transceiver circuit, wherein the LIN transceiver circuit is electrically connected to the control circuit, and the LIN transceiver circuit is used to be electrically connected to a LIN bus.

9. The domain controller according to claim 1, characterized in that: The driving circuit is a multi-channel half-bridge gate driving chip.

10. A detachable tailgate system, characterized in that: include: Domain controller; A first driving device and a second driving device are electrically connected to the domain controller; a first door drivingly connected to the first drive means and the second drive means and capable of pivoting between a closed position and an open position when driven; a first electric suction lock, electrically connected to the domain controller, the first electric suction lock being used to lock or unlock the first vehicle door; a third driving device, electrically connected to the domain controller; a second door drivingly connected to the third drive means and capable of pivoting between a closed position and an open position when driven; A second electric suction lock and a third electric suction lock are electrically connected to the domain controller, and the second electric suction lock and the third electric suction lock are used to lock or unlock the second door; Wherein, when the first door and the second door are both in the closed position, there is an overlapping portion between the first door and the second door; Wherein, the domain controller is the domain controller according to any one of claims 1-9.

11. A vehicle, characterized in that: Comprising the separable tailgate system of claim 10.

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