CN211623053U - Anti-pinch device for automobile tail door and automobile - Google Patents
Anti-pinch device for automobile tail door and automobile Download PDFInfo
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- CN211623053U CN211623053U CN201922171527.1U CN201922171527U CN211623053U CN 211623053 U CN211623053 U CN 211623053U CN 201922171527 U CN201922171527 U CN 201922171527U CN 211623053 U CN211623053 U CN 211623053U
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Abstract
The utility model provides an anti-clamping device for a tail gate of an automobile, which comprises a detection part, a control part and a driving part; the detection component detects the obstacle information in the motion envelope of the tail gate of the automobile; the driving part drives the tail gate to open or close; the control part is respectively connected with the detection part and the driving part and controls the driving part to stop the closing movement of the tail gate after receiving the obstacle information detected by the detection part; wherein the detection component comprises a first sensor and a second sensor; and a first sensor is disposed at a lower edge of the tailgate for detecting obstacle information within a motion envelope of the lower edge of the tailgate; a second sensor is disposed at the tailgate side edge for detecting obstacle information within a motion envelope of the tailgate side edge. The intelligent automobile tail door anti-clamping device actively detects obstacles and is actively prevented from clamping, and anti-clamping accuracy and reliability are high.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, in particular to car tail-gate anti-pinch device reaches car including the device.
Background
With the increasing popularization and development of new energy vehicles such as electric vehicles and the like, the market share of the new energy vehicles gradually rises. The control logic and the intelligent rate of the new energy vehicle are stably improved while the occupancy of the new energy vehicle is synchronously increased. However, with more and more automobiles equipped with devices such as power tailgates, the potential danger is also followed, and personal injury incidents occur. An important index for evaluating the use safety of the electric tail gate is the anti-clamping function of the electric tail gate so as to ensure the safety of the use process.
At present, in order to avoid the passenger to receive the injury, present electronic tail-gate system of car generally sets up prevents pressing from both sides the strip, or adopts pressure detection to realize preventing pressing from both sides the function. However, these methods are passive protection modes, and the anti-pinch function is triggered only after a human body or a target object still needs to bear a certain pressure, so that the human body feels a certain pain and discomfort after being pinched, or the target object is damaged to a certain extent. In the prior art, a current detection method is also used, namely whether an anti-pinch function is triggered or not is judged according to the comparison between the driving current of the supporting rod and a preset threshold value; or the anti-pinch condition is judged according to the change of the speed of the tail gate by means of the Hall sensor. According to the method, the anti-pinch condition needs to be judged according to the threshold value, but the force arms at different positions of the electric tail gate are different, the anti-pinch force value is different, and the preset threshold value is not high in setting accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the current device that electronic tail-gate prevented pressing from both sides and can't compromise and prevent pressing from both sides intellectuality and prevent pressing from both sides the accuracy nature, have certain potential safety hazard. The intelligent automobile tail gate anti-clamping device is capable of actively detecting obstacles and actively preventing clamping, is high in anti-clamping accuracy and reliability, prevents an accident that an electric tail gate clamps people or objects, and improves the operation comfort of a vehicle.
In order to solve the technical problem, the embodiment of the utility model discloses an anti-clamping device for a tail gate of an automobile, which comprises a detection part, a control part and a driving part; the detection component detects the obstacle information in the motion envelope of the tail gate of the automobile; the driving part drives the tail gate to open or close; the control part is respectively connected with the detection part and the driving part, and controls the driving part to stop the closing movement of the tail gate after receiving the obstacle information detected by the detection part. Wherein the detection component comprises a first sensor and a second sensor; and a first sensor is disposed at a lower edge of the tailgate for detecting obstacle information within a motion envelope of the lower edge of the tailgate; a second sensor is disposed at the tailgate side edge for detecting obstacle information within a motion envelope of the tailgate side edge.
Adopt above-mentioned scheme, set up the barrier information in the car tail-gate motion envelope that the detecting element detected to the drive part that the control unit direct control drive tail-gate opened or closed, when receiving barrier information, the work of controlling drive part stop closing the tail-gate immediately, the adoption initiatively prevents pressing from both sides the emergence of people and clamp thing accident when the tail-gate is closed, has improved accuracy, the reliability that the tail-gate prevented pressing from both sides. And the lower limb of tail-gate sets up first sensor, and tail-gate side reason sets up the second sensor, and is more complete to the barrier information detection in the tail-gate motion envelope, can all-round prevent to take place the accident of pressing from both sides people or pressing from both sides the thing when the tail-gate is closed.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a car tail-gate anti-pinch device, first sensor include at least one ultrasonic radar sensor, the vertical ultrasonic wave of launching downwards of ultrasonic radar sensor.
By adopting the scheme, the ultrasonic radar is suitable for short-distance measurement and has high accuracy; the ultrasonic radar technology is mature, and the cost is relatively low; therefore, the first sensor is low in cost and good in performance when being selected as the ultrasonic radar sensor.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a car tail-gate anti-pinch device, the second sensor includes the echelette grating sensor, and the echelette grating sensor includes transmitting part and receiving part, and one party in transmitting part and the receiving part sets up the frame side at the tail-gate, and the other party sets up the relevant position on the door frame of tail-gate.
By adopting the scheme, the second sensor is the infrared grating sensor, and the grating sensor is suitable for non-contact dynamic measurement and has the advantages of large detection range and high response speed.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a car tail-gate anti-pinch device, the printing opacity hole distance of echelette grating sensor is between 3mm ~ 12 mm.
By adopting the scheme, the measurement precision of the infrared grating sensor on the barrier reaches 3-12 mm.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an automobile tail-gate anti-pinch device, receiving part sets up on sliding guide, and sliding guide extends along the frame side of tail-gate or the door frame of tail-gate.
By adopting the scheme, when the tail gate is opened or closed, the frame of the tail gate and the door frame move relatively, the relative position of the transmitting part and the receiving part of the infrared grating sensor changes, and error detection can be caused because infrared beams are not received in the process. The sliding guide rail is arranged, so that the receiving part slides along the sliding guide rail in the opening or closing process of the tail gate, and continuously aligns to the transmitting part to receive the transmitted infrared light beams, thereby avoiding the occurrence of error detection.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a car tail-gate anti-pinch device, detection part still include the third sensor, and the third sensor is for setting up in drive unit's hall sensor.
By adopting the scheme, the Hall sensor for detecting the barrier of the tail gate by monitoring the driving state of the driving part is added, and the accuracy and the safety of the anti-pinch device of the tail gate are improved.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a car tail-gate anti-pinch device, control unit include car automobile body controller and tail-gate controller.
By adopting the technical scheme, the whole vehicle controller and the tail door controller are used for controlling the anti-pinch of the tail door of the vehicle, so that the anti-pinch device of the tail door of the vehicle is better matched with the vehicle and is easy to control.
According to another embodiment of the present invention, the embodiment of the present invention discloses an anti-pinch device for a tailgate of a vehicle, wherein the driving member includes a motor.
The utility model also provides a car, including setting up in the frame of the tail-gate of car inboard with the peripheral strip of preventing of door frame of tail-gate, and the utility model provides a device is prevented pressing from both sides by car tail-gate.
By adopting the scheme, the tail gate is simultaneously provided with the anti-pinch strip for passive anti-pinch and the anti-pinch device for the automobile tail gate for active anti-pinch, so that the anti-pinch reliability of the tail gate is improved. The anti-pinch device for the anti-pinch automobile tail door has high anti-pinch accuracy and reliability, prevents the electric tail door from pinching people or articles, and improves the operation comfort of the automobile.
The utility model has the advantages that:
the utility model discloses a device setting is prevented pressing from both sides by car tail-gate, the barrier information in the car tail-gate motion envelope that the detection part detected to the drive part that the control part direct control drive tail-gate was opened or was closed, when receiving barrier information, the work of controlling drive part stop close tail-gate immediately adopts the initiative to prevent pressing from both sides the emergence of people and clamp thing accident when the tail-gate is closed, has improved the reliability that the tail-gate prevented pressing from both sides. And the lower limb of tail-gate sets up first sensor, and tail-gate side reason sets up the second sensor, and is more complete to the barrier information detection in the tail-gate motion envelope, can all-round prevent to take place the accident of pressing from both sides people or pressing from both sides the thing when the tail-gate is closed.
Drawings
Fig. 1 is a block diagram of an anti-pinch device of a tailgate of an automobile according to embodiment 1 of the present invention;
fig. 2 is a schematic view of an ultrasonic radar sensor of an automobile tailgate anti-pinch device according to embodiment 1 of the present invention installed in an automobile;
FIG. 3 is a schematic view of an infrared grating sensor mounted on an automobile in an anti-pinch device of a tailgate of the utility model discloses in embodiment 1;
fig. 4 is the utility model discloses embodiment 1's car tail-gate anti-pinch device's block diagram, wherein detection part still includes the third sensing, and control unit includes car body controller and tail-gate controller.
Description of reference numerals:
100: a detection section;
110: a first sensor; 111: an ultrasonic radar sensor; 120: a second sensor; 121: an infrared grating sensor; 1211: a transmitting section; 1212: a receiving section; 130: a third sensor;
200: a control component;
210: an automobile body controller; 220: a tailgate controller;
300: a drive member;
400: a tailgate;
410: a frame side; 420: a door frame;
500: an automobile.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1
The embodiment of the utility model discloses an anti-clamping device for a tail gate of an automobile, which is shown in figure 1 and comprises a detection part 100, a control part 200 and a driving part 300; wherein the detecting part 100 detects obstacle information within a motion envelope of the tailgate 400 of the automobile; the driving part 300 drives the opening or closing movement of the tailgate 400; the control part 200 is connected to the detection part 100 and the driving part 300, respectively, and controls the driving part 300 to stop the closing movement of the tailgate 400 upon receiving the obstacle information detected by the detection part 100. Wherein the detecting part 100 includes a first sensor 110 and a second sensor 120; and the first sensor 110 is disposed at the lower edge of the tailgate 400 for detecting obstacle information within a motion envelope of the lower edge of the tailgate 400; the second sensor 120 is disposed at a side edge of the tailgate 400 for detecting obstacle information within a motion envelope of the side edge of the tailgate 400.
Specifically, the detecting component 100 is used for detecting the obstacle information within the motion envelope of the tailgate 400 of the automobile, and may be disposed at the edge of the tailgate 400 or at the position of the door frame 420 for detection. The detection component 100 may be a radar sensor, a grating sensor, an infrared sensor, or a sensor that can detect the condition of an obstacle ahead of the vehicle. In the present embodiment, the detecting part 100 includes a first sensor 110 and a second sensor 120, the first sensor 110 is used for detecting obstacle information within a motion envelope of a lower edge of the tailgate 400, and the second sensor 120 is used for detecting obstacle information within a motion envelope of a side edge of the tailgate 400; by the arrangement mode, the barrier information in the motion envelope of the tail gate 400 can be detected completely, and accidents of people clamping or object clamping when the tail gate 400 is closed can be prevented in all directions.
In the present invention, the automobile refers to an automobile in which the tailgate 400 is electrically opened and closed; the driving unit 300 is a device for driving the tailgate 400 to be electrically opened or closed, such as an electric stay, a motor, or the like. The control component 200 may include a vehicle control unit, a microprocessor, a tail gate controller 220, and the like, and the control component 200 is in communication connection with the detection component 100 and the driving component 300 respectively, and may be connected in a connection manner of LIN (local interconnect network) or CAN (controller area network), and transmits detection information or stops a shutdown command by using a LIN or CAN communication protocol; the control part 200 controls the driving part 300 to stop the closing motion of the tailgate 400 after receiving the obstacle information detected by the detecting part 100.
More specifically, the anti-pinch device of the tailgate 400 of the present embodiment is controlled such that the detecting unit 100 starts to operate after the tailgate 400 is opened, and detects the obstacle information within the motion envelope of the tailgate 400 in real time. When the detecting part 100 obtains the obstacle information, it is transmitted to the control part 200, and the control part 200 obtains the detecting part 100 information with the logical priority that the second sensor 120 has higher priority than the first sensor 110. After the control part 200 receives the obstacle information detected by the detection part 100, the driving part 300 is controlled to stop the closing movement of the tailgate 400, specifically, the closing of the tailgate 400 is stopped when the tailgate 400 is about to be closed, and the closing of the tailgate 400 is stopped when the tailgate 400 is being closed. When the tail gate 400 is closing, the control part 200 may control the driving part 300 to perform returning of the tail gate 400 to the fully opened state after the driving part 300 stops closing the tail gate 400, which is not particularly limited in the present embodiment. When the control part 200 does not receive the obstacle information any more, the driving part 300 is not controlled to close the tailgate 400 or stop closing the tailgate 400.
Adopt above-mentioned scheme, set up the barrier information in the car tail-gate 400 motion envelope that detection part 100 detected to control unit 200 direct control drives the drive unit 300 that tail-gate 400 opened or closed, when receiving barrier information, control drive unit 300 stops the work of closing tail-gate 400 immediately, adopts the initiative to prevent pressing from both sides the emergence of people and clamp thing accident when tail-gate 400 closes, has improved accuracy, the reliability that tail-gate 400 prevented pressing from both sides. And the lower edge of the tailgate 400 is provided with the first sensor 110, the edge of the tailgate 400 is provided with the second sensor 120, so that the detection of the barrier information in the motion envelope of the tailgate 400 is complete, and the accident of people clamping or object clamping can be prevented in all directions when the tailgate 400 is closed.
According to another embodiment of the present invention, the first sensor 110 comprises at least one ultrasonic radar sensor 111, and the ultrasonic radar sensor 111 emits ultrasonic waves vertically downward.
Specifically, as shown in fig. 2, an ultrasonic radar sensor 111 is disposed at a lower edge of a tailgate 400 of an automobile 500, and when an obstacle is encountered, a reflection is generated by an ultrasonic wave emitted from the ultrasonic radar sensor 111, and the ultrasonic radar sensor 111 receives the ultrasonic wave reflected by the obstacle. The detection distance of the ultrasonic radar sensor 111 is short, and may be, for example, 1 to 250 cm. The ultrasonic radar sensor 111 is connected to a controller, which controls the ultrasonic waves emitted from the ultrasonic radar sensor, and processes and converts the ultrasonic waves into a distance according to the time difference between the reflected and received ultrasonic waves, thereby determining whether there is an obstacle. The detection part 100 may include a controller, and specifically, may be a single chip microcomputer, a parking distance control system (PDC), etc. connected to the ultrasonic radar sensor 111, and periodically transmits information to the control part 200 when an obstacle is detected; the ultrasonic radar sensor 111 may be configured to directly transmit the time information of the transmitted or received signal to the control unit 200, and determine whether there is an obstacle in the motion envelope of the tailgate 400 by converting the time information into a distance through processing by the control unit 200.
The ultrasonic radar sensors 111 can be arranged in a plurality of, for example, 4, 5 or 6, and are uniformly embedded in the lower edge of the tailgate 400, so as to achieve the purpose of comparatively detecting the obstacle information in the lower edge motion envelope of the tailgate 400 on the whole. As shown in fig. 2, 5 ultrasonic radar sensors 111 may be provided, wherein one ultrasonic radar sensor 111 is disposed on a longitudinal center line of the tailgate 400, and the others are symmetrically distributed with the center line as a symmetry axis. The ultrasonic radar sensor 111 may be a transceiver-integrated ultrasonic sensor having a bidirectional transmitting/receiving function.
By adopting the scheme, the ultrasonic radar is suitable for short-distance measurement and has high accuracy; the ultrasonic radar technology is mature, and the cost is relatively low; therefore, the first sensor 110 is low in cost and good in performance when the ultrasonic radar sensor 111 is selected.
According to another embodiment of the present invention, as shown in fig. 3, the second sensor 120 includes the ir grating sensor 121, the ir grating sensor 121 includes an emitting portion 1211 and a receiving portion 1212, one of the emitting portion 1211 and the receiving portion 1212 is disposed at the frame side 410 of the tailgate 400, and the other is disposed at a corresponding position on the door frame 420 of the tailgate 400.
Specifically, as shown in fig. 3, the ir grating sensor 121 is disposed at the frame side 410 of the back door 400 and the corresponding frame 420 of the back door 400 of the automobile 500, wherein the ir grating sensor 121 includes an emitting portion 1211 and a receiving portion 1212, the emitting portion 1211 is capable of emitting a set of infrared beams, the receiving portion 1212 is capable of receiving the set of infrared beams, and a set of ir gratings is formed between the emitting portion 1211 and the receiving portion 1212. The infrared grating sensor 121 can be installed with the emitting portion 1211 installed on the frame side 410 of the tail gate 400, and the receiving portion 1212 is installed on the portion of the door frame 420 corresponding to the position of the frame side 410 where the emitting portion 1211 is installed; the receiving portion 1212 may be installed at the frame side 410 of the tailgate 400, and the transmitting portion 1211 may be installed at a portion of the door frame 420 corresponding to a position where the frame side 410 of the receiving portion 1212 is located. The ir grating sensor 121 may be specifically disposed in such a manner that the ir grating is aligned with the tailgate brace. When an obstacle exists in the motion envelope of the side edge of the tail gate 400 and the infrared grating is blocked, the infrared grating sensor 121 sends obstacle information to the control part 200, and the control part 200 controls the driving part 300 to stop working, so that the tail gate 400 stops closing.
By adopting the scheme, the second sensor 120 adopts the infrared grating sensor 121, and the infrared grating sensor is suitable for non-contact dynamic measurement and has the advantages of large detection range and high response speed.
According to another embodiment of the present invention, the distance between the light-transmitting holes of the echelette sensor 121 is between 3mm and 12 mm. Specifically, the printing opacity pitch-row makes between the light beam interval 3mm ~ 12mm between 3mm ~ 12mm, the utility model discloses preferred printing opacity pitch-row is 5mm, light beam interval 5mm promptly.
By adopting the scheme, the measurement precision of the infrared grating sensor 121 on the barrier reaches 3-12 mm.
According to another embodiment of the present invention, the receiving portion 1212 is provided on a sliding guide rail extending along the frame side 410 of the tailgate 400 or the door frame 420 of the tailgate 400.
Specifically, a slide rail is installed on the frame side 410 of the tailgate 400 where the ir grating sensor 121 receiving portion 1212 is provided or the doorframe 420 of the tailgate 400, and extends along the doorframe 420; the receiving portion 1212 is mounted on and slidable along the slide rail; thereby enabling the receiving portion 1212 to slide along the frame side 410 of the tailgate 400 or the doorframe 420 of the tailgate 400. The path of the reception portion 1212 on the slide rail is set according to the change in the position of the transmission portion 1211 during the opening or closing movement of the tailgate 400.
With the above arrangement, when the rear door 400 is opened or closed, the frame side 410 of the rear door 400 moves relative to the door frame 420, and the relative positions of the transmitting portion 1211 and the receiving portion 1212 of the echelette sensor 121 change, which may cause a false detection due to the infrared beam not being received. The sliding guide is provided to allow the receiving portion 1212 to slide along the sliding guide during the opening or closing of the tailgate 400, and to continuously align with the emitting portion 1211 to receive the emitted infrared ray beam, thereby preventing the occurrence of a false detection.
It should be noted that the emitting portion 1211 may be configured to be coupled to the sliding guide and to slide along the frame side 410 of the tailgate 400 or the doorframe 420 of the tailgate 400.
According to another embodiment of the present invention, as shown in fig. 4, the detecting part 100 further includes a third sensor 130, and the third sensor 130 is a hall sensor disposed on the driving part 300.
Specifically, a hall sensor is provided in the drive part 300 of the tail gate 400, such as a motor, and detects the motor rotation speed. When the tailgate 400 meets an obstacle while being opened or closed, the rotation speed of the motor is reduced below a set limit, the hall sensor detects the existence of the obstacle, and transmits obstacle information to the control part 200. Further, when the tailgate 400 is closed and encounters an obstacle, the tailgate 400 can move in the opposite travel direction and automatically rebounds, so that the situation that the vehicle is accidentally pinched or damaged is avoided. And the control part 200 obtains the information of the detecting part 100 with the logic priority of the third sensor 130, the second sensor 120 and the first sensor 110 in sequence from high to low.
Adopt above-mentioned scheme, increase and detect the hall sensor of tail-gate barrier through monitoring driver part 300 drive state, increase the accuracy, the security of tail-gate 400 anti-pinch device.
According to another embodiment of the present invention, as shown in fig. 4, the control part 200 includes an automobile body controller 210 and a tailgate controller 220.
Specifically, the automobile body controller 210 is connected to the detection component 100 and the tailgate controller 220, and may be connected in a CAN connection manner, when the tailgate controller 220 performs a tailgate 400 opening process, the information is sent to the automobile body controller 210, and the automobile body controller 210 sends an obstacle information transmission command to the detection component 100 according to the information. The detection part 100 starts to detect the obstacle information after the tailgate 400 is opened or a command is received from the vehicle body controller 210, and periodically transmits to the vehicle body controller 210 after the obstacle information is detected. The vehicle body controller 210 generates a command to stop closing according to the received obstacle information and sends the command to the tailgate controller 220, the tailgate controller 220 controls the driving part 300 not to close the tailgate 400 or stop closing the tailgate 400 according to the command, and when the vehicle body controller 210 no longer receives the obstacle information, the command to stop closing or stop closing is sent to the tailgate controller 220.
By adopting the technical scheme, the whole vehicle controller and the tail gate controller 220 are used for controlling the automobile tail gate 400 to prevent clamping, so that the matching of the automobile tail gate 400 anti-clamping device and an automobile is better and easy to control.
According to another embodiment of the present invention, the driving part 300 includes a motor. Specifically, the driving part 300 is a motor that drives the tailgate stay.
Example 2
The utility model also provides a car, including setting up in the inboard and the peripheral anti-pinch strip of door frame of tail-gate of the frame of the tail-gate of car to and the car tail-gate anti-pinch device in embodiment 1.
By adopting the scheme, the tail gate is simultaneously provided with the anti-pinch strip for passive anti-pinch and the anti-pinch device for the automobile tail gate for active anti-pinch, so that the anti-pinch reliability of the tail gate is improved. The anti-pinch device for the anti-pinch automobile tail door has high anti-pinch accuracy and reliability, prevents the electric tail door from pinching people or articles, and improves the operation comfort of the automobile.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (9)
1. An anti-pinch device for a tail door of an automobile is characterized by comprising a detection part, a control part and a driving part; wherein
The detection part detects the barrier information in the motion envelope of the tail gate of the automobile;
the driving part drives the tail gate to open or close;
the control component is respectively connected with the detection component and the driving component and controls the driving component to stop the closing movement of the tail gate after receiving the obstacle information detected by the detection component; wherein,
the detection component comprises a first sensor and a second sensor; and is
The first sensor is arranged at the lower edge of the tail gate and used for detecting the obstacle information in the motion envelope of the lower edge of the tail gate;
the second sensor is disposed at the tailgate side edge for detecting the obstacle information within a motion envelope of the tailgate side edge.
2. The anti-pinch device of claim 1, wherein the first sensor comprises at least one ultrasonic radar sensor that emits ultrasonic waves vertically downward.
3. The anti-pinch device of claim 2, wherein the second sensor comprises an ir-grating sensor, the ir-grating sensor comprising a transmitting portion and a receiving portion, one of the transmitting portion and the receiving portion being disposed on a side of a frame of the tailgate and the other of the transmitting portion and the receiving portion being disposed at a corresponding position on a door frame of the tailgate.
4. The anti-pinch device of claim 3, wherein the distance between the light-transmitting holes of the echelette grating sensor is between 3mm and 12 mm.
5. The anti-pinch device of claim 3, wherein the receiving portion is disposed on a sliding track that extends along a side of a frame of the tailgate or a door frame of the tailgate.
6. The anti-pinch device of any one of claims 1-5, wherein the detecting member further comprises a third sensor, and the third sensor is a Hall sensor disposed on the driving member.
7. The anti-pinch device of claim 6, wherein the control components comprise a body controller and a tailgate controller.
8. The anti-pinch device of a tailgate according to claim 7, wherein said drive member comprises a motor.
9. An automobile, comprising an anti-pinch strip provided inside a frame of a tailgate of the automobile and around a door frame of the tailgate, and the automobile tailgate anti-pinch device of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171527.1U CN211623053U (en) | 2019-12-06 | 2019-12-06 | Anti-pinch device for automobile tail door and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171527.1U CN211623053U (en) | 2019-12-06 | 2019-12-06 | Anti-pinch device for automobile tail door and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN211623053U true CN211623053U (en) | 2020-10-02 |
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| CN201922171527.1U Active CN211623053U (en) | 2019-12-06 | 2019-12-06 | Anti-pinch device for automobile tail door and automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706749A (en) * | 2021-10-08 | 2021-11-26 | 珠海格力电器股份有限公司 | Control method and device of equipment, intelligent door lock and storage medium |
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2019
- 2019-12-06 CN CN201922171527.1U patent/CN211623053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706749A (en) * | 2021-10-08 | 2021-11-26 | 珠海格力电器股份有限公司 | Control method and device of equipment, intelligent door lock and storage medium |
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