WO2020029475A1

WO2020029475A1 - High-safety easy-installation automobile anti-pinching apparatus

Info

Publication number: WO2020029475A1
Application number: PCT/CN2018/117140
Authority: WO
Inventors: 纪荣华
Original assignee: 武汉宜南橡塑科技有限公司
Priority date: 2018-08-06
Filing date: 2018-11-23
Publication date: 2020-02-13
Also published as: CN108705924A

Abstract

An automobile anti-pinching apparatus, comprising an anti-pinching strip body (1), a fixed support frame (2), a sealing cap (3), a connecting lead (4), a lead interface (5), and an anti-pinching controller; the anti-pinching strip body (1) is an internally hollow insulating rubber body, a first conductor (7), a second conductor (8), a third conductor (9), and a fourth conductor (10) being arranged on the inner surface of the insulating rubber body, and a lead being arranged in each conductor; the four conductors are equidistantly and circumferentially arranged on the inner surface of the insulating rubber body, a gap being left between conductors; an assembly component (15) is arranged on the lower part of the insulating rubber body; and a resistor (16) is arranged on the end part of the anti-pinching strip body, the two ends of the resistor respectively being electrically connected to the leads. The apparatus is structurally simple, low cost, and has high sensitivity, avoids the technical problem of anti-pinching blocks being incapable of detecting the state of an obstacle due to low sensitivity, and prevents the decrease or loss in sensitivity caused by abrasion or oxygenation of conductive parts, increasing the safety of use.

Description

Anti-pinch device for automobile with good safety and easy installation

Technical field

The invention relates to the technical field of automobile anti-pinching, in particular to a car anti-pinching device with good safety and easy installation.

Background technique

At present, with the improvement of people's living standards, cars have entered millions of households, and they play an increasingly important role in life, bringing many conveniences to people's travel, and better satisfying people's needs for comfort. Claim. But as cars enter people's lives, more and more safety-related issues surround car drivers and their families. For everyone who rides a car, unexpected safety protection problems will follow, the most common of which is the problem of accidentally being caught by passengers, especially children, caused by the rapid closing of car doors. In many cities There have been car door injuries to passengers. The safety design of car door closing has gradually become an area of increasing concern, and it has become one of the aspects that people consider when buying a vehicle.

In the existing door anti-pinch system, there are mainly the following methods: detecting whether the door is caught by a person or an object through a sensor, a life detector or a mechanical structure, sending the detection result to a single-chip computer, and the single-chip computer controlling whether the door opens again So as to play a safety protection role.

The existing designs have the following defects: during the startup process after the door is closed, or when the door is closed during driving, if the passenger is outside the door and his body or clothing is caught by the door, he will immediately fall and be drawn into the bottom of the car. It may cause death. Because the existing equipment can not meet the needs of safety protection, passengers' backpacks or bodies are often caught by the door, and then they are caught in the bottom of the car and eventually pay their lives. The biggest reason for these events and the door anti-pinching function Imperfections.

Chinese patent document: CN201721531927.3, application date: 2017.11.16, the patent name is: an integrated automobile anti-clamping strip. Disclosed is an integrated anti-clamping strip for an automobile, which includes an anti-clamping strip body, a sealing ring provided on the upper end of the anti-clamping strip body, and a wire groove provided at an end of the anti-clamping strip body. A steel core is provided in the rubber skeleton, an anti-pinch protrusion is provided on one side of the anti-pinch bar body, an anti-pinch hollow tube is provided on the other side of the anti-pinch bar body, and an upper tube is provided in the seal ring. A conductive rubber strip and a lower conductive rubber strip are respectively provided with conductive wires in the upper conductive rubber strip and the lower conductive rubber strip. The utility model has the advantages of simple structure, convenient use, convenient hooking, no exposure to the outside, and tight sealing. However, such an integrated automobile anti-clamping bar cannot quickly sense the presence of objects in the door from multiple angles, and is more focused on appearance considerations, and cannot actually solve the problem of door anti-clamping.

Chinese patent document: CN201621112592.7, application date: 2016.10.11, the patent name is: a car anti-pinch door with induction device. A vehicle anti-pinch door with a sensing device is disclosed. The door includes a door, a door frame, and an alarm. A push rod is installed inside the lower part of the door, and a limit block is connected to the push rod. A conductive switch is connected in parallel on the conductive line of the rod. The powered switch is connected to a signal receiver through a circuit board. A pressure sensing band is provided on the edge of the door frame, and a signal transmitter is connected to the pressure sensing band. And the alarm, the output end of the circuit board on the pressure-sensitive strip is also connected to the power-on switch through a wire. The utility model will give an alarm when a hand is placed on the door frame of the car, and if a hand has been closed on the door frame of the car, the push rod will push the stop block between the door and the door frame to prevent People were pinched. However, this device changes the structural structure of the door, and the cost is high. In summary, there is an urgent need for an automobile anti-pinch device that is safe and easy to install.

Summary of the invention

The object of the present invention is to provide a vehicle anti-pinch device with good safety and easy installation in view of the shortcomings in the prior art.

To achieve the above objective, the technical solution adopted by the present invention is:

An automobile anti-pinch device with good safety and low cost is characterized in that the automobile anti-pinch device includes an anti-pinch bar body, a fixing bracket, a sealing cover, a connecting wire, a wire interface, and an anti-pinch controller; The main body of the anti-clip strip is a hollow insulating rubber body; the cross section of the insulating rubber body is a circular ring shape, and a first conductor, a second conductor, a third conductor, and A fourth conductor; the first conductor is provided in the first conductor, the second conductor is provided in the second conductor, the third conductor is provided in the third conductor, and the fourth conductor is provided in the fourth conductor; The first electrical conductor, the second electrical conductor, the third electrical conductor, and the fourth electrical conductor are arranged equidistantly on the inner surface of the rubber body, and the first electrical conductor, the second electrical conductor, the third electrical conductor, and the fourth electrical conductor are aligned. The body has a gap; the lower part of the insulating rubber body is provided with an assembly part; the assembly part is provided with an elastic bracket inside; the assembly part is

Type structure, with an oblique barb structure inside; a resistor is provided at the end of the anti-clip strip body; one end of the resistor is electrically connected to the first wire and the second wire, and the other end of the resistor is connected to the first wire The three wires and the fourth wire are electrically connected; a fifth wire is also provided in any two of the first, second, third, and fourth conductors, and the fifth A micro electric bell is connected to the end of the wire; the first wire, the second wire, the third wire, and the fourth wire are connected to the wire interface through a connecting wire; the fixing bracket is provided with an assembly groove; and the assembly groove is provided Inside the fixing bracket; the sealing cover has a ring shape with a through hole in the middle, and the middle through hole penetrates the connecting wire; the anti-clamping strip body is assembled in the assembling groove of the fixing bracket through the assembling component.

As a preferred technical solution, the anti-pinch controller is provided with an interface, a processor, a transmission module, an alarm module, and a power supply module, and the interface is provided at an end of the anti-pinch controller, and the processor The transmission module, the alarm module, and the power supply module are arranged inside the anti-clamp controller, and the processor is electrically connected to the transmission module, the alarm module, the power supply module, and the interface; one end of the wire is electrically conductive with the body of the anti-clamp bar. Material connection, the other end is connected with the wire interface, the wire interface can be inserted into the interface of the anti-clamp controller, so that the anti-clamp body and the anti-clamp controller are electrically connected.

As a preferred technical solution, the corresponding positions of the first conductor and the second conductor are both planes. When the insulating rubber body is pressed by an external force, the first conductor and the second conductor are electrically connected in close contact with each other.

As a preferred technical solution, the fixed bracket is

Type structure, and the inside is provided with a barb of the opposite structure on the assembly part.

As a preferred technical solution, the micro electric bell is disposed at an end of the anti-clip strip body.

As a preferred technical solution, the first conductor and the second conductor are conductive rubber or conductive TPE material.

As a preferred technical solution, the insulating rubber body is an insulating TPE material.

As a preferred technical solution, when the first conductive body, the second conductive body, the third conductive body, or the fourth conductive body approaches as the insulating rubber body is squeezed closer, the force is less than or equal to 50N. When contacted by force, the resistance can be short-circuited to form a circuit loop. When the body of the car anti-clamping bar is not under pressure, the circuit resistance value is 10000 ± 10000Ω. When the car anti-clamping bar is squeezed, the circuit resistance value is ≤2000Ω.

As a preferred technical solution, the automobile anti-pinching device further includes a pressure sensor.

As a preferred technical solution, there are a plurality of pressure sensors, and the pressure sensors are dispersedly arranged inside the upper end of the insulating rubber body, and the pressure sensor and the anti-pinch controller are connected by a wireless signal.

The advantages of the present invention are:

1. The anti-pinch bar has a simple structure, is easy to install, has a fast response speed and high reliability. The anti-pinch controller is connected to the central control of the car, which is convenient for the driver to control in time and improve safety. All components of the anti-pinch device can be replaced. Eliminates the need for overall scrap and reduces the cost of use.

2. By setting the first conductor, the second conductor, the third conductor, and the fourth conductor arranged in an equidistant circumferential direction, when an obstacle presses the insulating rubber body from any angle from outside, it will cause adjacent The first conductor, the second conductor, the third conductor, or the fourth conductor are in contact with each other, thereby forming a circuit loop. With the structure of this embodiment, the technical problem that the anti-pinching module has low sensitivity and cannot detect an obstacle state can be avoided, and the use safety of the anti-pinching strip is improved.

3. A pressure sensor is provided inside the upper end of the insulating rubber body, and a pressure alarm signal is generated by the compression deformation of the insulating rubber body. The pressure alarm signal and the resistance alarm signal are used to simultaneously alarm, thereby improving the detection sensitivity of the anti-clip strip. By adopting the structure of this embodiment, the detection sensitivity of the anti-pinch module can be improved, the sensitivity drop or failure due to abrasion or oxidation of the contact part of the conductor can be avoided, the use safety of the anti-pinch device can be improved, and accidental injury can be avoided.

4.Using the design of the micro-electric bell, when the car door is in the start or flameout state, if the anti-clamp bar insulator is squeezed by the obstacle during the switch closing process, the anti-clamp bar insulator can be squeezed by the obstacle. Through the sound of the micro electric bell, the driver or passenger can be reminded that there is something trapped in the door, so that the safety hazard can be found in time and solved in time.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an assembly schematic diagram of a trigger sensitive automobile anti-pinching device of the present invention.

FIG. 2 is a partially enlarged schematic diagram of part A in FIG. 1.

Fig. 3 is a schematic sectional view taken along the line B-B in Fig. 1.

Figure 4 is a schematic view of the anti-clamping strip body.

FIG. 5 is a schematic diagram of a fixing bracket.

FIG. 6 is a schematic structural diagram of an anti-pinch controller.

FIG. 7 is an internal architecture diagram of the anti-pinch controller.

Fig. 8 is a schematic sectional view of another B-B direction of the present invention.

FIG. 9 is a partially enlarged schematic diagram of part A of the present invention.

detailed description

The specific embodiments provided by the present invention will be described in detail below with reference to the drawings.

The reference numerals and components involved in the drawings are as follows:

1. Anti-clamping bar body 2. Fixing bracket

3.Sealing cover 4. Connecting lead

5.Wire interface: Insulating rubber body

7. The first electrical conductor 8. The second electrical conductor

9. The third electrical conductor 10. The fourth electrical conductor

11. The first lead 12. The second lead

13. The third lead 14. The fourth lead

15. Assembly parts 151. Elastic bracket

16.Resistance, anti-pinch controller

171. Interfaces 18. Pressure Sensors

21.Assembly slot Fifth lead

23.Micro electric bell

Example 1

Please refer to FIG. 1. FIG. 1 is an assembly schematic diagram of an automobile anti-pinch device with good safety and easy installation. An anti-pinch device for a car with good safety and easy installation. The anti-pinch device for an automobile includes the anti-pinch body 1, an anti-pinch bar body 1, a fixing bracket 2, a sealing cover 3, a connecting wire 4, and a wire interface. 5; the anti-clamping strip body 1 is assembled on the fixing bracket 2; one end of the connecting wire 4 is connected with the conductive material inside the anti-clamping strip body 1, and the other end is connected with the wire interface 5; the sealing cover 3 is a ring shape with a through hole in the middle, and the middle through hole passes through the connecting wire 4 and is fixed on the automobile sheet metal hole;

Please refer to FIGS. 2 and 3. FIG. 2 is a partially enlarged schematic diagram of part A in FIG. 1, and FIG. 3 is a schematic cross-sectional diagram taken along the BB direction in FIG. 1. The anti-clip strip body 1 is an insulating rubber body 6 with a hollow inside; the cross section of the insulating rubber body 6 is a circular ring shape, and a first conductive body 7 and a second conductive body are provided on an inner surface of the insulating rubber body 6. A body 8, a third conductor 9, and a fourth conductor 10; the first conductor 7 is provided with a first wire 11, the second conductor 8 is provided with a second wire 12, and the third conductor 9 is provided; A third conductive wire 13 is provided, and a fourth conductive wire 14 is provided in the fourth conductive body 10; the first conductive body 7, the second conductive body 8, the third conductive body 9, and the fourth conductive body 10 are arranged in an equidistant circumferential direction. A gap is left on the inner surface of the rubber body, and the first conductor 7, the second conductor 8, the third conductor 9, and the fourth conductor 10 have a gap; the lower part of the insulating rubber body 6 is also fixed with an assembly member 15 ; The assembly member 15 was

Structure, and an oblique barb structure is provided inside, the assembly member 15 is also provided with an elastic bracket 151; an end of the anti-clip strip body 1 is provided with a resistance 16; one end of the resistance 16 is connected with The first wire 11 and the second wire 12 are electrically connected, and the other end of the resistor 16 is electrically connected to the third wire 13 and the fourth wire 14; the first wire 11, the second wire 12, the third wire 13, and the fourth wire The wire 14 is connected to the wire interface 5 through a connecting wire 4; the fixed bracket 2 is provided with an assembly groove 21; the assembly groove 21 is provided inside the fixed bracket 2; the anti-clip strip body 1 is assembled by an assembly member 15 In the mounting groove 21 of the fixing bracket 2;

Please refer to FIGS. 6 and 7. FIG. 6 is a structural diagram of the anti-pinch controller, and FIG. 7 is an internal structure diagram of the anti-pinch controller. The anti-pinch controller 17 is provided with an interface 171, a processor, a transmission module, an alarm module, and a power supply module. The interface 171 is provided at an end of the anti-pinch controller 17, the processor, the transmission module, The alarm module and the power supply module are arranged inside the anti-pinch controller 17, and the processor is electrically connected to the transmission module, the alarm module, the power supply module, and the interface 171, respectively.

It should be noted that: each component of the anti-pinch device can be replaced without overall scrap, reducing the cost of use; the conductor is semi-circular or semi-ellipsoid, and the pointed end of the conductor faces the insulating rubber The center of the body; one end of the wire 4 is connected to the conductive material in the anti-clamping strip body 1, and the other end is connected to the wire interface 5. The wire interface 5 can be inserted into the interface 171 of the anti-clamping controller 17 to make the anti-clamping body. 1 is electrically connected to the anti-pinch controller 17; the fixed bracket 2 is

Type structure, with barbs of the opposite structure on the assembly part 15 inside, the assembly part 15 can be embedded in the fixed bracket 2 by using the reverse barb structure, and the supporting effect of the elastic bracket 151 in the assembly part 15 can be used To ensure the mating stability of the assembly part 15 and not to fall off easily; the first conductor 7, the second conductor 8, the third conductor 9, and the fourth conductor 10 are made of conductive rubber or conductive TPE material; the insulation The rubber body 6 is an insulating TPE material; the fixed bracket 2 is installed on a sheet metal part of the side door or the tail door of the automobile; the first conductive body 7, the second conductive body 8, the third conductive body 9 or When the fourth electrical conductor 10 approaches as the insulating rubber body 6 is squeezed, when the magnitude of the force is less than or equal to 50N, the resistance 16 can be short-circuited to form a circuit loop. When under pressure, its loop resistance value is 10000 ± 10000Ω. When the car anti-clamping strip 1 is squeezed, its loop resistance value is ≤2000Ω;

The use method of the automobile anti-pinch device of the present utility model is assembling the assembled automobile anti-pinch device through the fixing bracket 2 on the edge of the side door or the tail door of the car, and connecting the anti-pinch controller 17 to the central control of the car through a transmission module; When a tailgate or a side door of a car is caught by a person or an object, the anti-clamping insulator is squeezed by the obstacle. The first wire 11, the second wire 12, the third wire 13, and the fourth wire 14 are squeezed by the conductor. Close to contact to form a circuit loop, thereby short-circuiting the resistance 16, the processor of the anti-pinch controller sends a signal according to the received resistance value change, transmits it to the central control of the car through the transmission module, and alarms through the alarm module. After receiving the signal, the central control of the car controls the tailgate or side door of the car to stop the operation, to achieve anti-pinch control, and then stop the alarm. When the power of the anti-pinch controller 17 is low, the processor sends related information to the central control of the car through the transmission module, reminding the driver to replace the battery in time for charging.

In this embodiment, the first conductor, the second conductor, the third conductor, and the fourth conductor are arranged in an equidistant circumferential direction. In this way, when an obstacle presses the insulating rubber body from any angle from outside, it will cause adjacent The first conductive body, the second conductive body, the third conductive body, or the fourth conductive body are in contact with each other, thereby forming a circuit loop. With the structure of this embodiment, the technical problem that the anti-pinching module has low sensitivity and cannot detect an obstacle state can be avoided, and the use safety of the anti-pinching device is improved.

Example 2

Please refer to FIG. 8, which is a schematic cross-sectional view of another B-B direction of the present invention. This embodiment is basically the same as Embodiment 1. The difference is that the upper end of the insulating rubber body 6 is dispersedly arranged in this embodiment. A plurality of pressure sensors 18 are provided in a mosaic manner. When the insulating rubber body 6 is obstructed, When the object is squeezed, the pressure sensor 18 senses the pressure of the insulating rubber body 6, and the pressure sensor 18 quickly transmits the received pressure signal to the processor of the anti-pinch controller 17 through a wireless signal. The change of value sends a signal, which is transmitted to the central control of the car through the transmission module, and the pressure alarm is performed through the alarm module; when the obstacle further exerts pressure, the electric conductor in the insulating rubber body 6 is squeezed closer to contact, forming a circuit loop, Therefore, the short-circuit resistance 16, the processor of the anti-pinch anti-pinch controller 17 sends a signal according to the received resistance value change, and transmits it to the central control of the car through the transmission module, and performs a resistance alarm through the alarm module; The different alarm signals received are intelligently processed. When the car central control receives pressure alarm signals and resistance alarm signals at the same time, The central control of the car controls the tailgate or side door of the car to stop it from running, and functions as an anti-pinch control. When the central control of the car receives only a single alarm signal, the central voice of the car prompts the driver to manually check whether the door is caught by an obstacle .

In this embodiment, a pressure sensor is provided inside the upper end of the insulating rubber body, and a pressure alarm signal is generated by the compression deformation of the insulating rubber body. The pressure alarm signal and the resistance alarm signal are used to simultaneously alarm, thereby improving the detection sensitivity of the anti-clip strip. By adopting the structure of this embodiment, the detection sensitivity of the anti-pinch module can be improved, the sensitivity drop or failure due to abrasion or oxidation of the contact part of the conductor can be avoided, the use safety of the anti-pinch device can be improved, and accidental injury can be avoided.

Example 3

Please refer to FIG. 9, which is a partially enlarged schematic diagram of part A in FIG. 1 according to another embodiment of the present invention. This embodiment is basically the same as the embodiment, except that in this embodiment, any two conductors of the first conductor 7, the second conductor 8, the third conductor 9, and the fourth conductor 10 A fifth wire 22 is provided, preferably in two diagonally-shaped conductors; the ends of the two fifth wires 22 are connected to a micro electric bell 23 respectively; the micro electric bell 23 is also provided on the anti-clip body 1 end; when the tailgate or side door of a car is caught by a person or an object, the anti-clip strip insulator 6 is squeezed by an obstacle. On the one hand, the first wire 11, the second wire 12, and the third wire 13 4. The fourth wire 14 approaches and comes into contact with the extrusion of the conductive body, forming a circuit loop, thereby short-circuiting the resistance 16, and the processor of the anti-pinch controller sends a signal according to the received resistance value change and transmits it to the car through the transmission module Control, and alarm through the alarm module. On the other hand, the first conductive body 7, the second conductive body 8, the third conductive body 9, and the fourth conductive body 10 are approached as the conductive body is squeezed until they come into contact. The fifth lead 22 in any two conductors is closed. Passage is formed, so that the micro bell 23 will work rattling.

In this embodiment, the design of a micro-electric bell is added. On the one hand, when the car is in a normal state, if the anti-clip strip insulator is pressed by an obstacle during the closing process of the door, the resistance will be short-circuited at this time, and the anti-pinch controller The processor sends a signal according to the received resistance value change. The central control system of the car receives the signal from the transmission module, thereby driving the alarm module to give an alarm. At the same time, the micro electric bell sounds to remind the driver or passenger that there is an obstacle in the door. Another On the other hand, when the car is in the flame-out state, if the anti-clamping strip insulator is squeezed by the obstacle during the closing of the door, the resistance will be short-circuited at this time, and the processor of the anti-clamping controller will send a signal according to the received resistance value change. However, at this time, the central control system of the car cannot receive the signal from the transmission module, so it cannot drive the alarm module to give an alarm, so it is easy to cause a safety accident. Using the micro-electric bell in this embodiment, After the insulator is squeezed by the obstacle, the driver or passenger can be reminded by the sound of the micro-bell It was thus found that security risks can be promptly and timely resolution.

The above is only a preferred embodiment of the present invention. It should be noted that, for those of ordinary skill in the art, without departing from the method of the present invention, several improvements and additions can be made, and these improvements and additions should also be considered as It is the protection scope of the present invention.

Claims

An automobile anti-pinch device with good safety and low cost is characterized in that the automobile anti-pinch device includes an anti-pinch bar body, a fixing bracket, a sealing cover, a connecting wire, a wire interface, and an anti-pinch controller; The main body of the anti-clip strip is a hollow insulating rubber body; the cross section of the insulating rubber body is a circular ring shape, and a first conductor, a second conductor, a third conductor, and A fourth conductor; the first conductor is provided in the first conductor, the second conductor is provided in the second conductor, the third conductor is provided in the third conductor, and the fourth conductor is provided in the fourth conductor; The first electrical conductor, the second electrical conductor, the third electrical conductor, and the fourth electrical conductor are arranged equidistantly on the inner surface of the rubber body, and the first electrical conductor, the second electrical conductor, the third electrical conductor, and the fourth electrical conductor are aligned. The body has a gap; the lower part of the insulating rubber body is provided with an assembly part; the assembly part is provided with an elastic bracket inside; the assembly part is
Type structure, with an oblique barb structure inside; a resistor is provided at the end of the anti-clip strip body; one end of the resistor is electrically connected to the first wire and the second wire, and the other end of the resistor is connected to the first wire The three wires and the fourth wire are electrically connected; a fifth wire is also provided in any two of the first, second, third, and fourth conductors, and the fifth A micro electric bell is connected to the end of the wire; the first wire, the second wire, the third wire, and the fourth wire are connected to the wire interface through a connecting wire; the fixing bracket is provided with an assembly groove; and the assembly groove is provided Inside the fixing bracket; the sealing cover has a ring shape with a through hole in the middle, and the middle through hole penetrates the connecting wire; the anti-clamping strip body is assembled in the assembling groove of the fixing bracket through the assembling component.
The anti-pinch device for an automobile according to claim 1, wherein the anti-pinch controller is provided with an interface, a processor, a transmission module, an alarm module, and a power supply module, and the interface is provided in the anti-pinch controller. At the end, the processor, transmission module, alarm module, and power supply module are disposed inside the anti-pinch controller, and the processor is electrically connected to the transmission module, alarm module, power supply module, and interface, respectively; one end of the wire It is connected with the conductive material in the anti-clamping strip body, and the other end is connected with the wire interface. The wire interface can be inserted into the interface of the anti-clamping controller, so that the anti-clamping body is electrically connected with the anti-clamping controller.
The anti-pinch device for an automobile according to claim 1, wherein the positions corresponding to the first electrical conductor and the second electrical conductor are both flat, and when the insulating rubber body is pressed by an external force, the first electrical conductor and the first electrical conductor The two electrical conductors are electrically connected near the contact.
The anti-pinch device for an automobile according to claim 1, wherein the fixing bracket is
Type structure, and the inside is provided with a barb of the opposite structure on the assembly part.
The anti-pinch device for an automobile according to claim 1, wherein the micro electric bell is disposed at an end of the main body of the anti-pinch bar.
The anti-pinch device for an automobile according to claim 1, wherein the first conductor and the second conductor are made of a conductive rubber or a conductive TPE material.
The anti-pinch device for an automobile according to claim 1, wherein the insulating rubber body is an insulating TPE material.
The anti-pinch device for an automobile according to claim 1, characterized in that, when the first conductor, the second conductor, the third conductor, or the fourth conductor approaches as the insulating rubber body is pressed, When the force is less than or equal to 50N, the resistance can be short-circuited to form a circuit. When the body of the car anti-clamp bar is not under pressure, the circuit resistance value is 10000 ± 10000Ω. After extrusion, its loop resistance is ≤2000Ω.
The anti-pinch device for a car according to claim 1, wherein the anti-pinch device for a car further comprises a pressure sensor.
The anti-pinch device for an automobile according to claim 9, wherein there are a plurality of pressure sensors, and the pressure sensors are dispersedly arranged inside the upper end of the insulating rubber body. Connected via wireless signal.