CN111706209A - Electric tail gate driving system and control method - Google Patents
Electric tail gate driving system and control method Download PDFInfo
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- CN111706209A CN111706209A CN202010520273.4A CN202010520273A CN111706209A CN 111706209 A CN111706209 A CN 111706209A CN 202010520273 A CN202010520273 A CN 202010520273A CN 111706209 A CN111706209 A CN 111706209A
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- driving rod
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/10—Doors arranged at the vehicle rear
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
- E05Y2900/532—Back doors or end doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention provides an electric tail gate driving system and a control method, wherein an ECU module is arranged in an electric control balancing pole; the vehicle control system is also provided with a wire harness connector, the wire harness connector is electrically connected with the ECU module through a wire harness, and the wire harness connector is used for connecting the vehicle control unit so as to receive instructions and power supply input of the vehicle control unit; the electronic control balance rod is connected with the driving rod through a wire harness, the ECU module is used for driving the driving rod to act, and the electronic control balance rod moves along with the action of the driving rod. The vehicle control unit sends a starting or closing instruction to the ECU module; the opening or closing instruction comprises a start-up, rotation direction control, speed adjustment and an opening angle or stroke instruction of a driving rod; the ECU converts the opening or closing instruction into a PWM control instruction of the Hall motor, wherein the PWM control instruction comprises the starting of the Hall motor, the control of the rotating direction, the speed adjustment, the opening angle or the stroke instruction; the ECU module is placed in the electronic control balancing rod, so that a large enough installation space is obtained, and the running stability of the ECU is greatly improved.
Description
Technical Field
The invention relates to the field of automobile components, in particular to an electric tail gate driving system and a control method.
Background
The automatic opening and closing function of the electric tail gate system greatly improves the convenience and comfort of users, and the application of the electric tail gate system in SUV (sports utility vehicle) models is more and more favored by the users in recent years. In the development process of a plurality of vehicle types, the electric tail gate is gradually listed as the key configuration of the vehicle type, and the popularization degree is stably improved. The scheme of the electric tail gate which is more commonly applied in the market at present comprises 2 driving rods and 1 independent external ECU controller, wherein the 2 driving rods are respectively arranged at two sides of a water flowing groove at the tail part of a vehicle body, the ECU controller is independently arranged in the vehicle body or the tail gate, and the motion of the 2 driving rods is controlled to realize the opening and closing of the tail gate. Only the wire harness thereof is very complicated as shown in fig. 9, and the installation and connection are very troublesome and the installation efficiency is low. The automobile part industry is an industry with extremely high requirements on technology, quality reliability, large-scale production and manufacturing cost, and in order to enable an automobile part to be generally accepted by mainstream automobile factories, the manufactured part must meet all conditions of reliable technology and quality, convenience for large-scale production, low manufacturing cost and the like. The bottleneck problem of the scheme of adding 1 ECU control to 2 actuating levers at present is that the cost is high, the price/performance ratio is low and the installation difficulty is big, so that the electric tail gate product is difficult to become the standard configuration of an automobile like an electric glass lifter.
Disclosure of Invention
The invention aims to provide an electric tail gate driving system and a control method, which can simplify the system structure, effectively integrate a controller and a strut mechanism, reduce the control difficulty, simplify the wire harness structure, save parts, reduce the installation procedures and reduce the overall cost.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an electric tail gate driving system comprises an electric control balance rod and a driving rod, wherein an ECU module is arranged in the electric control balance rod;
the vehicle control system is also provided with a wire harness connector, the wire harness connector is electrically connected with the ECU module through a wire harness, and the wire harness connector is used for connecting the vehicle control unit so as to receive instructions and power supply input of the vehicle control unit;
the electronic control balance rod is connected with the driving rod through a wire harness, the ECU module is used for driving the driving rod to act, and the electronic control balance rod moves along with the action of the driving rod.
In a preferred scheme, the wire harness of the wire harness connector is 4 strands, namely a positive electrode, a negative electrode, CAN _ H or CAN fd _ H and CAN _ L or CAN fd _ L of the power supply.
In the preferred scheme, the wire harness between the electric control balance rod and the driving rod is 6 strands and respectively comprises a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole.
In the preferred scheme, the wire harness between the electric control balance rod and the driving rod is connected with the driving rod connecting piece through the connector between the rods;
the structure of the electric control balancing pole is as follows: the electric control rod outer sleeve is connected with the inner sleeve in a sleeved mode, and a compression spring and/or an air spring is arranged between the electric control rod outer sleeve and the electric control rod inner sleeve;
the ECU is fixedly arranged in an electric control rod outer sleeve of the electric control balancing rod and is positioned close to a wiring harness leading-out end, one end of a wiring harness is electrically connected with the ECU, and the other end of the wiring harness is electrically connected with the connector between the rods and the wiring harness connector respectively;
and two ends of the electric control balancing rod are provided with connecting structures used for being connected with the vehicle body and the tail gate.
In the preferred scheme, the electric control rod inner sleeve is further connected with an inner guide in a sleeved mode, the inner guide is of a hollow structure, one end of the hollow structure is communicated with the electric control matching rod inner sleeve, the other end of the hollow structure is communicated with the damper, and the compression spring is arranged between the electric control balance rod inner sleeve and the damper.
In the preferred scheme, one end of the ECU module is fixedly connected with an outer sleeve of the electric control rod through a fixed frame;
the ECU module leads out 10 strands of wire harnesses, wherein 6 strands of wire harnesses are electrically connected with the connectors among the rods and respectively comprise a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole; the other 4 strands are electrically connected with the wire harness connector and are respectively the anode, the cathode, the CAN _ H or the CANFD _ H and the CAN _ L or the CANFD _ L of the power supply;
the wire harness of the wire harness connector and the inter-rod connector is led out from the free end of the first flange ball seat of the electric control balancing rod;
the other end and the seal cover fixed connection of ECU module, seal cover and electric control pole outer tube fixed connection, the connected mode includes the combination of one or more in laser welding, bonding or the interference press fit combination, corrugated hose and first flange ball seat interference fit connection, and the pencil of ECU module output is worn out from corrugated hose for make the waterproof grade of ECU module reach IP 67.
In the preferred scheme, the driving rod and the electric control balance rod are arranged on two sides of the vehicle body, one end of the driving rod and one end of the electric control balance rod are connected with the vehicle body through a connecting structure, and the other end of the driving rod and the electric control balance rod are connected with the tail gate through a connecting structure;
the structure of the driving rod is as follows: the Hall motor is fixedly connected with the driving rod outer sleeve, the driving rod outer sleeve is in sliding sleeve joint with the driving rod inner sleeve, a planetary reducer is arranged on the Hall motor, an output structure of the planetary reducer is connected with the screw rod in a spline mode, and the screw rod is in threaded connection with the internal thread of the guide pipe in the driving rod so as to drive the screw rod to rotate through the rotation of the Hall motor and drive the driving rod inner sleeve to stretch out and draw back;
a Hall sensor used for collecting a Hall motor rotation signal is arranged in the Hall motor;
6 strands of wire harnesses are led out of the Hall motor and respectively comprise a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole;
the wire harness is led out from the corrugated hose of the first flange ball seat at the end of the driving rod.
In a preferred scheme, a driving damper is further assembled on the screw rod, the driving damper comprises two groups of damping fins which are arranged in a staggered mode and rub against each other, one group of damping fins is fixedly connected with a shell of the driving damper, and the other group of damping fins is fixedly connected with the screw rod;
the connecting cover is in threaded connection with the driving damper and used for adjusting pressure between the damping fins which rub the driving damper mutually.
In the preferred scheme, the driving rod outer sleeve and the driving rod inner sleeve are made of plastic materials, and a sliding sleeve with a guiding function is formed between the driving rod outer sleeve and the driving rod inner sleeve;
the first flange ball seat of the driving rod is connected with the driving rod outer sleeve through laser welding, bonding or buckling;
the sleeve end of the driving rod inner sleeve is in threaded connection and shrinkage pipe connection with the second flange ball seat and is used for bearing the breaking pull-out force of more than 5000N.
A control method adopting the electric tail gate driving system comprises the following steps:
s1, the vehicle control unit sends an opening or closing instruction to the ECU module;
the opening or closing instruction comprises a start-up, rotation direction control, speed adjustment and an opening angle or stroke instruction of a driving rod;
s2, converting the opening or closing instruction into a PWM control instruction of the Hall motor by the ECU, wherein the PWM control instruction comprises starting, rotating direction control, speed adjustment, and opening angle or stroke instruction of the Hall motor;
when the door is close to the two ends of the stroke of the driving rod, the rotating speed of the Hall motor is relatively slow, and the corresponding opening and closing speeds of the door are reduced;
when the stroke of the driving rod is middle, the rotating speed of the Hall motor is relatively fast so as to shorten the time for opening or closing the door;
the whole vehicle controller controls the opening and closing of the electric tail gate through the steps.
The invention provides an electric tail gate driving system and a control method, wherein an ECU module is placed in an electric control balancing rod by adopting a scheme of combining a driving rod and the electric control balancing rod, so that a large enough installation space is obtained, the ECU module is convenient to assemble, the heat dissipation and the water prevention of the ECU module are also very facilitated, and the running stability of the ECU is greatly improved. The structure of the invention can also save a Hall motor and a plurality of corresponding matching parts, and also comprises 2 plastic shells of independent controllers, 1 sheet metal mounting bracket, 2 connectors, a wire harness, a plurality of screws, gaskets and other assembly accessories, thereby reducing the complexity of the product, reducing the complexity of wiring, reducing 2 manual processes of assembling the whole vehicle on a whole vehicle assembly line of an electric tail gate product of a whole vehicle assembly plant, and reducing the cost by 15-28% compared with the prior art.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of an electrically controlled balance bar structure.
Fig. 3 is a schematic structural view of the driving rod of the present invention.
Fig. 4 is a schematic diagram of a lead structure of the hall motor of the present invention.
Fig. 5 is a schematic circuit diagram of the ECU module of the present invention.
Fig. 6 is a schematic structural diagram of a hall motor driving circuit according to the present invention.
Fig. 7 is a schematic diagram of signals of a hall motor driving circuit and a hall sensor in the driving rod of the invention.
Fig. 8 is a schematic view of the installation structure of the present invention at the tail of a vehicle.
Fig. 9 is a schematic structural view of a connecting harness in the related art.
In the figure: the electronic control balance rod comprises an electronic control balance rod 1, a driving rod 2, a wire harness connector 3, an inter-rod connector 4, a first flange ball seat 5, a second flange ball seat 6, an electronic control rod outer sleeve 7, a corrugated hose 8, a fixing frame 9, an ECU module 10, a sealing sleeve 11, a damper 12, a compression spring 13, an inner guide part 14, an electronic control rod inner sleeve 15, a driving rod connecting part 16, a Hall motor 17, a Hall motor wiring end 171, a Hall motor driving circuit 172, a Hall sensor 173, a thyristor array 174, a driving rod inner sleeve 18, a driving rod outer sleeve 19, a screw 20, a planetary reducer 21, a connecting cover 22, a driving damper 23, a driving rod inner guide pipe 24, a driving rod compression spring 25, a driving rod inner guide rod 26 and a sliding.
Detailed Description
Example 1:
an electric tail gate driving system comprises an electric control balance rod 1 and a driving rod 2, wherein an ECU module 10 is arranged in the electric control balance rod 1;
the vehicle control system is also provided with a wire harness connector 3, the wire harness connector 3 is electrically connected with the ECU module 10 through a wire harness, and the wire harness connector 3 is used for connecting the vehicle control unit so as to receive instructions and power supply input of the vehicle control unit; the command of the vehicle control unit is transmitted through a CAN or CANFD protocol.
The electronic control balance rod 1 is connected with the driving rod 2 through a wire harness, the ECU module 10 is used for driving the driving rod 2 to move, and the electronic control balance rod 1 moves along with the driving rod 2. According to the structure, the combination of the driving rod 2 and the electric control balance rod 1 is adopted, the installation space of the ECU module 10 is expanded, the opening and closing instructions are uniformly controlled by the whole vehicle controller, the uniformity is higher, the failure rate is reduced, the control flows of the lock control, the tail gate state sensor, the corresponding foot position sensor and the like are saved from the aspect of software, and the complexity of tail gate control software is simplified. A Hall motor 17 and a group of independent control modules are omitted from hardware, so that the cost is reduced, the automobile wiring harness structure is simplified, and the loading process of the electric tail gate product on the whole automobile assembly line is reduced. The ECU module 10 is an ECU (electronic Control unit) electronic Control unit, and the circuit of the ECU module is shown in fig. 5.
In a preferred embodiment, the wire harness of the wire harness connector 3 is 4 strands, which are the positive electrode, the negative electrode, CAN _ H or CANFD _ H, and CAN _ L or CANFD _ L of the power supply.
In the preferred scheme, the wire harness between the electric control balance rod 1 and the driving rod 2 is 6 strands and respectively comprises a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole. The wiring harness layout diagram of the end of the hall motor in this example is shown in fig. 4, and the hall motor driving circuit and hall sensor signal definitions are shown in fig. 6 and 7.
Preferably, as shown in fig. 1, the wiring harness between the electrically controlled balance bar 1 and the drive bar 2 is interconnected with the drive bar connection member 16 through the inter-bar connector 4;
as shown in fig. 2, the structure of the electrically controlled balance bar 1 is: the electric control rod outer sleeve 7 is connected with the inner sleeve 15 in a sleeved mode, and a compression spring 13 and/or an air spring is arranged between the electric control rod outer sleeve 7 and the electric control rod inner sleeve 15;
the ECU10 is fixedly arranged in the outer sleeve 7 of the electric control balance bar electric control bar and is positioned close to the leading-out end of the wiring harness, one end of the wiring harness is electrically connected with the ECU10, and the other end of the wiring harness is electrically connected with the connector 4 between the bars and the connector 3 of the wiring harness respectively; with the structure, the difficulty and cost of wiring are greatly reduced. That is, the multi-strand wire harness is arranged only within a short distance between the drive rod connector 16 and the inter-rod connector 4 and not across the component, and the wire harness of the wire harness connector 3 having a long wire harness is arranged only 4 strands, which is also easy.
The two ends of the electric control balancing pole are provided with connecting structures used for connecting with a vehicle body and a tail gate, such as a first flange ball seat 5 and a second flange ball seat 6.
In a preferred scheme, as shown in fig. 2, the inner sleeve 15 of the electric control rod is further connected with an inner guide 14 in a sleeved mode, the inner guide 14 is of a hollow structure, one end of the hollow structure is communicated with the inner sleeve 15 of the electric control matching rod, and the other end of the hollow structure is communicated with the damper 12. The compression spring 13 is arranged between the inner sleeve 15 of the electrically controlled balance bar and the damper 12.
In a preferred scheme, as shown in fig. 2, one end of an ECU module 10 is fixedly connected with an electric control rod outer sleeve 7 through a fixing frame 9;
the ECU module 10 leads out 10 strands of wire harnesses, wherein 6 strands of wire harnesses are electrically connected with the inter-rod connector 4 and respectively comprise a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole; the other 4 strands are electrically connected with the wire harness connector 3 and are respectively the anode, the cathode, the CAN _ H or the CANFD _ H and the CAN _ L or the CANFD _ L of the power supply;
the wiring harness of the wiring harness connector 3 and the rod-to-rod connector 4 is led out from the free end of the first flange ball seat 5 of the electric control balance rod.
The other end and the seal cover 11 fixed connection of ECU module 10, seal cover 11 and electric control lever outer tube 7 fixed connection, the connected mode includes the combination of one or more among laser welding, bonding or the interference press fit, corrugated hose 8 and the interference of first flange ball seat 5 are connected, and the pencil of ECU module 10 output is worn out from corrugated hose 8 for the waterproof grade that makes ECU module 10 reaches IP 67.
In a preferred scheme, as shown in fig. 8, a driving rod 2 and an electronic control balance rod 1 are used for being installed on two sides of a vehicle body, one end of the driving rod 2 and one end of the electronic control balance rod 1 are connected with the vehicle body through a connecting structure, and the other end of the driving rod 2 and the other end of the electronic control balance rod 1 are connected with a tail gate through a connecting structure;
as shown in fig. 3, the driving rod 2 has a structure of: the Hall motor 17 is fixedly connected with the driving rod outer sleeve 19, the driving rod outer sleeve 19 is in sliding sleeve connection with the driving rod inner sleeve 18, the Hall motor 17 is provided with a planetary reducer 21, an output structure of the planetary reducer 21 is connected with the screw rod 20 in a spline mode, the screw rod 20 is in threaded connection with the internal thread of the driving rod inner sleeve 26, and the Hall motor 17 rotates to drive the screw rod 29 to rotate so as to drive the driving rod inner sleeve 27 to stretch and retract;
a Hall sensor used for collecting a rotating signal of the Hall motor 17 is arranged in the Hall motor 17;
6 strands of wire harnesses are led out from the Hall motor 17 and respectively comprise a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole;
the wiring harness is led out from the corrugated hose 8 of the first flange socket 5 at the end of the driving rod 2.
Preferably, as shown in fig. 3, a driving damper 23 is further assembled on the screw 29, the driving damper 23 includes two sets of damping fins which are alternately arranged and rub against each other, one set of damping fins is fixedly connected with the housing of the driving damper 23, and the other set of damping fins is fixedly connected with the screw 29;
a connecting cover 22 is further provided, the connecting cover 22 is in threaded connection with the driving damper 23, and the connecting cover 22 is used for adjusting the pressure between the damping fins of the driving damper 23 which rub against each other. The drive damper 23 is provided to match the damping effect of the damper 12 in the electronically controlled stabilizer bar 1. The drive damper 23 that sets up can also balance the tail-gate and open and close the pressure variation of in-process, makes the holding power of tail-gate both sides keep balanced, avoids opening and close the in-process and leads to the tail-gate structure to take place to warp and vibrate the scheduling problem.
In a preferred scheme, the driving rod outer sleeve 19 and the driving rod inner sleeve 18 are made of plastic materials, and a sliding sleeve with a guiding function is formed between the driving rod outer sleeve 19 and the driving rod inner sleeve 18; that is, by using a plastic material, the gap between the driving rod outer tube 19 and the driving rod inner tube 18 can be made extremely small, for example, not more than 0.1mm by the mold, thereby ensuring the effect of the sliding sleeve between the driving rod outer tube 19 and the driving rod inner tube 18.
The first flange ball seat 5 of the driving rod 2 is connected with the driving rod outer sleeve 19 through laser welding, bonding or buckling;
the sleeve end of the driving rod inner sleeve 18 is connected with the second flange ball seat 6 through a thread and a shrinking pipe, namely, the sleeve end is shrunk through heating, so that the second flange ball seat 6 is tightly connected. So as to bear the breaking pull-off force of more than 5000N. The first and second flange ball seats 5 and 6 at both ends of the driving rod are used for mounting the driving rod, and they are fixed on the car body and the tail gate respectively.
Example 2:
a control method adopting the electric tail gate driving system comprises the following steps:
s1, the vehicle control unit sends an opening or closing instruction to the ECU module 10;
the opening or closing instruction comprises the starting of the driving rod 2, the control of the rotating direction, the speed adjustment, the opening angle or the stroke instruction;
s2 and the ECU10 convert the opening or closing instruction into a PWM control instruction of the Hall motor 17, wherein the PWM control instruction comprises a starting instruction, a rotating direction control instruction, a speed adjustment instruction, an opening angle instruction or a stroke instruction of the Hall motor 17;
when the door approaches the two ends of the stroke of the driving rod 2, the rotating speed of the Hall motor 17 is relatively slow, and the corresponding opening and closing speeds of the door become slow;
when the stroke of the driving rod 2 is middle, the rotating speed of the Hall motor 17 is relatively fast so as to shorten the time for opening or closing the door;
the whole vehicle controller controls the opening and closing of the electric tail gate through the steps.
The gear output shaft of the hall motor 17 is connected with the gear input shaft of the planetary reducer 21, the output shaft of the planetary reducer after speed reduction drives the screw 29 to rotate, and the screw 29 drives the guide pipe 26 in the driving rod to do telescopic motion, so that the opening and closing of the tail door of the automobile are realized.
During the movement of the tail gate, the rotation of the hall motor 17 will make the hall sensors a (hall) and b (hall) in fig. 7 generate hall signals at the same time, and the position of the tail gate in the movement can be obtained by counting the number of the hall signals. Furthermore, the differential processing is carried out on the signals to obtain the running speed of the tail gate, and the rotating direction of the Hall motor 17 can be obtained by detecting the phase between the two Hall sensors, so that the ECU can accurately identify the running state and parameters of the automobile tail gate. The speed of the hall motor 17 is adjusted by a PWM driving method. In the stroke sections of the opening starting point and the closing end point of the tail gate, the ECU properly reduces the rotating speed of the Hall motor 17 so as to ensure that the tail gate is opened and closed softly and avoid generating larger impact and noise. In the stroke section in the middle of the opening and closing stroke, the ECU module 10 properly increases the driving speed of the PWM command so as to shorten the opening and closing time of the tail gate.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. An electric tail gate driving system is characterized in that: the electronic control balance rod comprises an electronic control balance rod (1) and a driving rod (2), wherein an ECU module (10) is arranged in the electronic control balance rod (1);
the vehicle control system is also provided with a wire harness connector (3), the wire harness connector (3) is electrically connected with the ECU module (10) through a wire harness, and the wire harness connector (3) is used for connecting the vehicle control unit so as to receive instructions and power supply input of the vehicle control unit;
the electronic control balance rod (1) is connected with the driving rod (2) through a wire harness, the ECU module (10) is used for driving the driving rod (2) to move, and the electronic control balance rod (1) moves along with the driving rod (2).
2. The power tailgate drive system, according to claim 1, wherein: the wire harness of the wire harness connector (3) is 4 strands, namely a positive electrode, a negative electrode, CAN _ H or CANFD _ H and CAN _ L or CANFD _ L of a power supply.
3. The power tailgate drive system, according to claim 1, wherein: the wire harness between the electric control balance rod (1) and the driving rod (2) is 6 strands and respectively comprises a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole.
4. The power tailgate drive system, according to claim 1, wherein: the wiring harness between the electric control balancing rod (1) and the driving rod (2) is connected with the driving rod connecting piece (16) through the inter-rod connector (4);
the structure of the electric control balancing pole (1) is as follows: the electric control rod outer sleeve (7) is connected with the inner sleeve (15) in a sleeved mode, and a compression spring (13) and/or an air spring is arranged between the electric control rod outer sleeve (7) and the electric control rod inner sleeve (15);
the ECU (10) is fixedly arranged in an electric control balance rod electric control rod outer sleeve (7) and is positioned at a position close to a wiring harness leading-out end, one end of a wiring harness is electrically connected with the ECU (10), and the other end of the wiring harness is electrically connected with the inter-rod connector (4) and the wiring harness connector (3) respectively;
and two ends of the electric control balancing rod are provided with connecting structures used for being connected with the vehicle body and the tail gate.
5. The power tailgate drive system, according to claim 4, wherein: the electric control rod inner sleeve (15) is further connected with an inner guide piece (14) in a sleeved mode, the inner guide piece (14) is of a hollow structure, one end of the hollow structure is communicated with the electric control matching rod inner sleeve (15), the other end of the hollow structure is communicated with the damper (12), and the compression spring (13) is arranged between the electric control balance rod inner sleeve (15) and the damper (12).
6. A power tailgate drive system, according to any of claims 4 or 5, wherein: one end of the ECU module (10) is fixedly connected with an electric control rod outer sleeve (7) through a fixing frame (9);
10 strands of wire harnesses are led out from the ECU module (10), wherein 6 strands of wire harnesses are electrically connected with the inter-rod connector (4) and respectively comprise a motor power supply anode, a motor power supply cathode, a Hall signal A pole, a Hall signal B pole, a Hall anode and a Hall cathode; the other 4 strands are electrically connected with the wire harness connector (3) and respectively are a positive electrode, a negative electrode, CAN _ H or CANFD _ H and CAN _ L or CANFD _ L of a power supply;
the wiring harness of the wiring harness connector (3) and the inter-rod connector (4) is led out from the free end of the first flange ball seat (5) of the electric control balancing rod;
the other end and seal cover (11) fixed connection of ECU module (10), seal cover (11) and electric control lever outer tube (7) fixed connection, the connected mode includes the combination of one or more among laser welding, bonding or the interference press fit, corrugated hose (8) and first flange ball seat (5) interference connection, the pencil of ECU module (10) output is worn out from corrugated hose (8) for the waterproof grade that makes ECU module (10) reaches IP 67.
7. The power tailgate drive system, according to claim 1, wherein: the driving rod (2) and the electric control balance rod (1) are arranged on two sides of the vehicle body, one end of the driving rod (2) and one end of the electric control balance rod (1) are connected with the vehicle body through a connecting structure, and the other end of the driving rod is connected with the tail gate through a connecting structure;
the structure of the driving rod (2) is as follows: the Hall motor (17) is fixedly connected with the driving rod outer sleeve (19), the driving rod outer sleeve (19) is in sliding sleeve joint with the driving rod inner sleeve (18), a planetary reducer (21) is arranged on the Hall motor (17), an output structure of the planetary reducer (21) is connected with the screw rod (20) in a spline mode, the screw rod (20) is in threaded connection with an internal thread of the driving rod inner conduit (26) so as to drive the screw rod (29) to rotate through the rotation of the Hall motor (17) and drive the driving rod inner sleeve (27) to stretch out and draw back;
a Hall sensor used for collecting a rotating signal of the Hall motor (17) is arranged in the Hall motor (17);
6 strands of wire harnesses are led out from the Hall motor (17), and are respectively a motor power supply positive pole, a motor power supply negative pole, a Hall signal A pole, a Hall signal B pole, a Hall positive pole and a Hall negative pole;
the wire harness is led out from a corrugated hose (8) of a first flange ball seat (5) at the end of the driving rod (2).
8. The power tailgate drive system, according to claim 7, wherein: the screw rod (29) is also provided with a driving damper (23), the driving damper (23) comprises two groups of damping fins which are arranged in a staggered mode and rub against each other, one group of damping fins is fixedly connected with the shell of the driving damper (23), and the other group of damping fins is fixedly connected with the screw rod (29);
the damping device is further provided with a connecting cover (22), the connecting cover (22) is in threaded connection with the driving damper (23), and the connecting cover (22) is used for adjusting the pressure between the damping sheets of the driving damper (23) which rub against each other.
9. The power tailgate drive system, according to claim 7, wherein: the driving rod outer sleeve (19) and the driving rod inner sleeve (18) are made of plastic materials, and the driving rod outer sleeve (19) and the driving rod inner sleeve (18) form sliding sleeve connection with a guiding function;
the first flange ball seat (5) of the driving rod (2) is connected with the driving rod outer sleeve (19) through laser welding, bonding or buckling;
the sleeve end of the driving rod inner sleeve (18) is in threaded connection and shrinkage pipe connection with the second flange ball seat (6) and is used for bearing the breaking pull-out force of more than 5000N.
10. A control method using the electric tailgate driving system according to any one of claims 1 to 9, characterized by comprising the steps of:
s1, the vehicle control unit sends an opening or closing instruction to the ECU module (10);
the opening or closing instruction comprises the starting of the driving rod (2), the control of the rotating direction, the speed adjustment, the opening angle or the stroke instruction;
s2, converting the opening or closing instruction into a PWM control instruction of the Hall motor (17) by the ECU (10), wherein the PWM control instruction comprises starting, rotating direction control, speed adjustment, opening angle or stroke instruction of the Hall motor (17);
when the door is close to the two ends of the stroke of the driving rod (2), the rotating speed of the Hall motor (17) is relatively slow, and the corresponding opening and closing speeds of the door are reduced;
when the stroke of the driving rod (2) is middle, the rotating speed of the Hall motor (17) is relatively fast so as to shorten the time for opening or closing the door;
the whole vehicle controller controls the opening and closing of the electric tail gate through the steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520273.4A CN111706209A (en) | 2020-06-09 | 2020-06-09 | Electric tail gate driving system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520273.4A CN111706209A (en) | 2020-06-09 | 2020-06-09 | Electric tail gate driving system and control method |
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| CN111706209A true CN111706209A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010520273.4A Pending CN111706209A (en) | 2020-06-09 | 2020-06-09 | Electric tail gate driving system and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093620A (en) * | 2021-04-07 | 2021-07-09 | 安徽农业大学 | Distributed photosynthetic rate monitoring system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320883A (en) * | 2016-08-29 | 2017-01-11 | 武汉佳特轿车零部件有限公司 | Electric opening/closing system for automotive tailgate |
| US20170145727A1 (en) * | 2015-11-24 | 2017-05-25 | U-Shin Ltd. | Door opening and closing apparatus for vehicle |
| CN207598099U (en) * | 2017-11-03 | 2018-07-10 | 安徽中腾汽车零部件有限公司 | The electronic rear molding door system of foot control |
| CN108412364A (en) * | 2018-03-19 | 2018-08-17 | 北京经纬恒润科技有限公司 | A kind of electric tail gate strut control method and electric tail gate system |
| US20190145145A1 (en) * | 2017-11-10 | 2019-05-16 | Aisin Seiki Kabushiki Kaisha | Vehicle opening/closing body control device |
| CN209080013U (en) * | 2018-03-19 | 2019-07-09 | 北京经纬恒润科技有限公司 | A kind of electronic rear tailgate strut and electronic rear molding door system |
| CN110130764A (en) * | 2019-06-19 | 2019-08-16 | 广东东箭汽车科技股份有限公司 | A kind of electric tail gate balancing pole, electric tail gate balanced structure and electric tail gate |
| CN210564010U (en) * | 2019-06-21 | 2020-05-19 | 芜湖玮博泰克汽车技术有限公司 | Balancing rod for automobile electric tail gate |
| US20200165856A1 (en) * | 2018-11-28 | 2020-05-28 | Magna Closures Inc. | Counterbalance strut for vehicle closure panel lift system having an active brake and method for counterbalance strut and system control |
-
2020
- 2020-06-09 CN CN202010520273.4A patent/CN111706209A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170145727A1 (en) * | 2015-11-24 | 2017-05-25 | U-Shin Ltd. | Door opening and closing apparatus for vehicle |
| CN106320883A (en) * | 2016-08-29 | 2017-01-11 | 武汉佳特轿车零部件有限公司 | Electric opening/closing system for automotive tailgate |
| CN207598099U (en) * | 2017-11-03 | 2018-07-10 | 安徽中腾汽车零部件有限公司 | The electronic rear molding door system of foot control |
| US20190145145A1 (en) * | 2017-11-10 | 2019-05-16 | Aisin Seiki Kabushiki Kaisha | Vehicle opening/closing body control device |
| CN108412364A (en) * | 2018-03-19 | 2018-08-17 | 北京经纬恒润科技有限公司 | A kind of electric tail gate strut control method and electric tail gate system |
| CN209080013U (en) * | 2018-03-19 | 2019-07-09 | 北京经纬恒润科技有限公司 | A kind of electronic rear tailgate strut and electronic rear molding door system |
| US20200165856A1 (en) * | 2018-11-28 | 2020-05-28 | Magna Closures Inc. | Counterbalance strut for vehicle closure panel lift system having an active brake and method for counterbalance strut and system control |
| CN110130764A (en) * | 2019-06-19 | 2019-08-16 | 广东东箭汽车科技股份有限公司 | A kind of electric tail gate balancing pole, electric tail gate balanced structure and electric tail gate |
| CN210564010U (en) * | 2019-06-21 | 2020-05-19 | 芜湖玮博泰克汽车技术有限公司 | Balancing rod for automobile electric tail gate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093620A (en) * | 2021-04-07 | 2021-07-09 | 安徽农业大学 | Distributed photosynthetic rate monitoring system |
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