Conductive rubber strip, anti-pinch sensing device, carrier, door of carrier and door frame of carrier

Abstract

The utility model relates to the technical field of carrier safety equipment, in particular to a conductive rubber strip, an anti-pinch sensing device and a carrier thereof. The conductive rubber strip comprises a conductive rubber layer, the conductive rubber layer is provided with a first surface, at least part of the first surface is directly exposed in the air, and the exposed part of the conductive rubber layer is used for measuring the capacitance value of an object close to or in direct contact with the first surface; the insulating layer is connected with the second surface of the conductive rubber layer, the second surface is opposite to the first surface, and the conductive rubber strip is fixed on external equipment through the insulating layer. The anti-pinch sensing device provided by the utility model adopts the conductive rubber strip which has good conductivity and flexibility, so that the anti-pinch sensing device can be mounted at the edge position of a door or a door frame in a fitting manner, and meanwhile, capacitance detection is effectively carried out on an approaching object.

Description

TECHNICAL FIELD

[0001] The present patent relates to the technical field of vehicle safety equipment, in particular to a conductive rubber strip, an anti-pinch sensing device, a vehicle, a door of a vehicle and a door frame. BACKGROUND

[0002] As one of the safety features of modern cars, the role of the car door anti-pinch function is becoming increasingly important. If a passenger's hand, foot or other parts, even a pet, is pinched by the car door when the door is closing, it may cause serious injury. The anti-pinch device can ensure that the door stops closing or reverses opening immediately when it comes into contact with an obstacle, effectively avoiding such pinching accidents.

[0003] The car door anti-pinch function is mainly realized by sensors and control modules. The edges of the car door are usually equipped with pressure sensors or infrared sensors, which can detect the contact or proximity between the door and the obstacle. Once the sensor senses an anomaly, such as an obstacle preventing the door from closing, the control module will immediately react to stop the door from closing or automatically open it through a motor reversal or other mechanical device, thereby avoiding injury.

[0004] The inventors of the present patent found that the conductive rubber strip can be used to provide capacitive detection when opening and closing the door. However, the conductive rubber strips of the prior art are difficult to have sufficient detection sensitivity. Therefore, how to design a suitable conductive rubber strip structure and reasonably place it between the door and the door frame to effectively detect the capacitance of the external object close to it has become a problem to be solved. CONTENT OF THE UTILITY MODEL

[0005] In order to solve or at least partially solve the above technical problems, the present patent provides a conductive rubber strip, comprising:

[0006] a conductive rubber layer, the conductive rubber layer having a first surface at least partially exposed to the air, the exposed part of the conductive rubber layer being used to measure the capacitance of an object in close proximity or direct contact with the first surface;

[0007] an insulating layer connected to a second surface of the conductive rubber layer, the second surface being opposite to the first surface, and the conductive rubber strip being fixed to an external device through the insulating layer.

[0008] Optionally, it further comprises:

[0009] a glue layer provided on the insulating layer to fix the insulating layer to the external device.

[0010] Optionally, the resistance of the conductive rubber layer is in the range of 300Ω to 4KΩ.

[0011] Optionally, the insulating layer at least partially covers the flanking parts of the conductive rubber layer on both sides of the first surface.

[0012] Optionally, the first surface of the conductive rubber layer is outwardly convex and has an arc surface.

[0013] The side wing portions have arc-shaped protrusions respectively protruding to the left and right sides.

[0014] The insulating layer at least covers the top ends of the arc-shaped protrusions.

[0015] Optionally, the second surface of the conductive rubber layer is an arc surface, and the insulating layer is in conformity with the second surface.

[0016] Optionally, the second surface is a flat surface.

[0017] The first surface of the conductive rubber layer is outwardly convex and has an arc surface, and the arc surface extends to the junction of the first surface and the first surface.

[0018] The present patent also provides a pinch-proof sensing device, comprising:

[0019] The aforementioned conductive rubber strip is arranged on one of a door and a door frame, and measures the capacitance of an object close to the conductive rubber strip; when the door and the door frame are closed, the conductive rubber strip and the door or the door frame opposite to the conductive rubber strip have a gap.

[0020] A controller is in communication connection with the conductive rubber strip, and is configured to convert the capacitance signal transmitted by the conductive rubber strip into a digital signal and transmit the digital signal.

[0021] Optionally, when the door and the door frame are closed, the gap between the conductive rubber strip and the door or the door frame opposite to the conductive rubber strip is greater than or equal to 3 mm.

[0022] Optionally, when the door and the door frame are closed, the conductive rubber layer of the conductive rubber strip is capable of abutting against an outer weather strip arranged on the door or the door frame opposite to the conductive rubber strip.

[0023] Optionally, the controller is arranged in a dry area of the door or the door frame, an outgoing line of the controller passes through a wire hole arranged in the dry area to be electrically connected with the conductive rubber strip, and a waterproof plug is arranged on the wire hole.

[0024] The controller is in communication connection with a host of a vehicle, and the controller is configured to start or stop the detection of the capacitance signal in response to a start / stop signal of the host.

[0025] The present patent also provides a door of a vehicle, wherein the door is provided with the aforementioned conductive rubber strip.

[0026] The present patent also provides a door frame of a vehicle, wherein the door frame is provided with the aforementioned conductive rubber strip.

[0027] The present patent also provides a vehicle, wherein the vehicle is provided with the aforementioned door, or the vehicle is provided with the aforementioned door frame.

[0028] Compared with the prior art, the embodiment has the following technical effects:

[0029] The anti-pinch sensing device provided by the patent adopts a conductive rubber strip, which has good conductivity and softness, so that it can be installed on the edge of a door or a door frame in a close-fitting manner while effectively detecting objects in the vicinity by capacitive detection. The conductive rubber strip is divided into a conductive rubber layer and an insulating rubber layer, and the insulating rubber layer can effectively isolate the conductive rubber layer from external objects, avoiding short circuit of the conductive rubber layer due to contact with the door or the door frame, while improving the reliability and durability of the anti-pinch sensing device. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the patent, the related drawings will be briefly introduced as follows. It can be understood that the drawings described below are only used to illustrate some embodiments of the patent, and those skilled in the art can also obtain many other technical features and connection relationships not mentioned in the text from these drawings.

[0031] Figure 1 is a cross-sectional view of a conductive rubber strip according to an embodiment of the patent;

[0032] Figure 2 is a cross-sectional view of another conductive rubber strip according to an embodiment of the patent;

[0033] Figure 3 is a cross-sectional view of still another conductive rubber strip according to an embodiment of the patent;

[0034] Figure 4 is a schematic view of a controller according to an embodiment of the patent;

[0035] Figure 5 is a schematic view of another controller according to an embodiment of the patent;

[0036] Figure 6 is a schematic view of a conductive rubber strip according to an embodiment of the patent in a closed state of a door and a door frame;

[0037] Figure 7 is a schematic view of a conductive rubber strip according to an embodiment of the patent in a closed state of a door and a door frame;

[0038] Figure 8 is a schematic view of the detection results of different resistance conductive rubber strips according to an embodiment of the patent on objects.

[0039] Explanation of Reference Signs:

[0040] 1. conductive rubber strip;

[0041] 11, conductive rubber layer; 111, first surface; 112, side wing part; 1121, arc-shaped protrusion; 113, second surface;

[0042] 12, insulating layer;

[0043] 13, adhesive layer;

[0044] 2, controller; 21, lead wire; 22, waterproof rubber plug. DETAILED DESCRIPTION

[0045] The patent will be described in detail below in conjunction with the accompanying drawings.

[0046] Embodiment one

[0047] The first embodiment of the patent provides a conductive rubber strip 1.

[0048] Specifically, referring to Figures 1 to 3 shown, the conductive rubber strip 1 includes:

[0049] The conductive rubber layer 11 has at least a part of the first surface 111 directly exposed to the air, and the exposed part of the conductive rubber layer 11 is used to measure the capacitance value of the object close to or in direct contact with the first surface 111.

[0050] The insulating layer 12 connects the second surface 113 of the conductive rubber layer 11, and the second surface 113 is opposite to the first surface 111. The conductive rubber strip 1 is fixed on the external device through the insulating layer 12.

[0051] The conductive rubber strip 1 can include a conductive rubber layer 11 and an insulating layer 12. Among them, the conductive rubber layer 11 has at least a part of the first surface 111 directly exposed to the air, and when the object approaches the first surface 111, the conductive rubber layer 11 can detect the capacitance value of the close object.

[0052] Specifically, the conductive rubber strip 1 is connected with other sensing devices in this capacitance detection. Due to its conductive performance, it can form good electrode contact, ensuring the detection and accurate transmission of capacitance value. When the measured object approaches the conductive rubber strip 1, it will change the capacitance value between the conductive rubber strip 1 and the surrounding electrode. This change is captured by the sensing device and converted into a corresponding electrical signal for subsequent processing and analysis.

[0053] It should be noted that the conductive rubber strip 1 is a special rubber material, which uniformly distributes conductive particles (such as silver-coated glass, silver-coated aluminum, silver, etc.) in silicone rubber, and makes the conductive particles contact through pressure, thereby achieving good conductivity. The capacitive measurement principle of the conductive rubber strip 1 mainly depends on the working principle of the capacitive sensor, that is, when a user or an object contacts or approaches the conductive rubber strip 1, the capacitance value will change, and this change in capacitance can be captured and recognized by the system.

[0054] The insulating layer 12 of the conductive rubber strip 1 also includes a second surface 113 opposite the first surface 111, and the conductive rubber strip 1 is fixed to an external device through the insulating layer 12. The insulating layer 12 can separate the conductive rubber layer 11 from the external structure, avoiding the conductive rubber strip 1 from being in conduction with the door or the door frame and the like, and improving the capacitive detection efficiency of the conductive rubber strip 1.

[0055] In the prior art, the surface of the conductive rubber strip 1 is usually wrapped with an insulating rubber layer. Under this condition, the detection sensitivity is far from that of the conductive rubber strip 1 having at least a part of the first surface 111 directly exposed to the air. Therefore, compared with the prior art, the conductive rubber strip 1 provided in the present patent has higher detection sensitivity.

[0056] The present embodiment also provides a door of a vehicle, and the door of the vehicle is provided with the aforementioned anti-pinch sensing device.

[0057] Furthermore, the present embodiment further provides a door frame of a vehicle, and the door frame of the vehicle is provided with the aforementioned anti-pinch sensing device.

[0058] The door of the vehicle is the main passage for passengers to get on and off the vehicle, and is also the part where the pinch accident is most likely to occur. Therefore, installing the anti-pinch device on the door can directly protect the safety of the passengers and avoid pinching the fingers or other body parts during the closing of the door.

[0059] The door of the vehicle is provided with the anti-pinch sensing device of the present embodiment. The opening mode of the door of the vehicle can be flat opening, side pulling, scissors, butterfly, opposite opening, gull wing, wing unfolding or rotation, etc. According to the different opening modes of the door, the anti-pinch sensing device can be arranged at different positions, such as the side of the door frame or the door edge.

[0060] When the opening mode of the door of the vehicle is flat opening, the anti-pinch sensing device can be arranged on any one of the door or the door frame; when the opening mode of the door of the vehicle is like butterfly, opposite opening or gull wing rotation, the anti-pinch sensing device can be arranged on the inner side of the door edge. The door frame matched with the door frame of the vehicle is matched with the door, and the working mode of the anti-pinch sensing device is different in different states.

[0061] The embodiment further provides a carrier, which is provided with the door or the door frame.

[0062] The carrier can be a vehicle for carrying or transporting people, articles or equipment, such as a car, a train, an airplane, a bus, a subway, etc. The carrier can also be a device for teaching or simulating a vehicle, such as a racing car simulation cabin. In general, as long as the device can be occupied by people and needs to be opened and closed, it can be included in the category of the carrier. In the embodiment, the carrier can be provided with the anti-pinch sensing device to achieve the anti-pinch function when the door is closed.

[0063] Optionally, referring to Figures 1 to 3 As shown in the figure, the conductive rubber strip 1 further comprises:

[0064] The adhesive layer 13 is arranged on the insulating layer 12 to fix the insulating layer 12 on the external device.

[0065] One side of the adhesive layer 13 is arranged on the insulating layer 12 and is arranged separately from the conductive rubber layer 11. The other side of the adhesive layer 13 is arranged on the external device and arranges the insulating rubber layer on the external device.

[0066] The adhesive layer 13 can firmly connect two or more materials together through an adhesive, so that the insulating layer 12 and the conductive rubber layer 11 form an integral whole with the external device.

[0067] In the optional embodiment, the adhesive layer 13 can be polyurethane sealant or butyl sealant tape, etc. The polyurethane sealant has excellent sealing performance and weather resistance. The butyl sealant tape has strong adhesion, weather resistance and aging resistance, and is suitable for pasting vehicle rubber strips.

[0068] In the preferred embodiment, the adhesive can be selected as 3M double-sided tape. The 3M double-sided tape has strong adhesion and stability, can be quickly cured and firmly bonded with the insulating layer 12 and the vehicle body. At the same time, the 3M double-sided tape also has good weather resistance and aging resistance, and can maintain adhesion for a long time.

[0069] Optionally, referring to Figure 8 As shown in the figure, the resistance of the conductive rubber layer 11 is in the range of 300Ω to 4KΩ.

[0070] The resistance of the conductive rubber material is affected by many factors, usually related to the type of conductive rubber material, the thickness, the distribution of conductive particles, the temperature and the pressure, etc. When an object is close, the conductive rubber material can measure the capacitance value of the close object and send an electrical signal; and when the conductive rubber material is subjected to pressure, its resistance usually becomes smaller, the sensitivity increases, and the signal detection difference becomes larger.

[0071] When the resistance of the conductive rubber strip 1 is too high, the resistance can cause poor signal transmission or reduced sensitivity. When the resistance of the conductive rubber strip 1 is too low, the sensing device can be too sensitive to small pressure changes, causing false triggering or unstable signals.

[0072] In a further preferred embodiment, the resistance of the conductive rubber layer 11 is in the range of 500Ω to 2kΩ, ensuring normal device function while saving material production costs. Further, setting the resistance in the range of 800-1000kΩ is a more optimal choice.

[0073] Embodiment Two

[0074] This embodiment also provides a conductive rubber strip 1, which is a further improvement of Embodiment One. The improvement is that the insulating layer 12 at least partially covers the side wing portions 112 on the left and right sides of the first surface 111 of the conductive rubber layer 11, reducing the risk of short circuits and other problems caused by accidental contact with the side wing portions of the conductive rubber layer 11, while ensuring good conductivity of the conductive rubber strip 1. The sealing between the insulating layer 12 and the conductive rubber layer 11 is also improved.

[0075] Specifically, referring to Figures 1 to 3 , the insulating layer 12 at least partially covers the side wing portions 112 on the left and right sides of the first surface 111 of the conductive rubber layer 11.

[0076] The conductive rubber layer 11 is a long strip-shaped column. From the cross-sectional view, the conductive rubber layer 11 has side wing portions 112 on both sides. The insulating layer 12 can accommodate the conductive rubber layer 11 and can be designed as a groove type that accommodates the long strip-shaped conductive rubber layer 11, with a concave shape in the middle and convex shapes on both sides. The concave portion is in contact with the shape of the portion of the conductive rubber layer 11, and the convex portions on both sides can respectively fit the side wing portions 112 on the left and right sides of the first surface 111 of the conductive rubber layer 11, so as to set the conductive rubber layer 11 in the groove of the insulating layer 12.

[0077] As described above, the conductive rubber layer 11 is partially covered, which can achieve the effect of utilizing the conductivity of the exposed part of the conductive rubber layer 11 and insulating and protecting other parts of the conductive rubber layer 11. The insulating layer 12 covering the conductive rubber layer 11 can also improve the durability and safety of the product, and the convex portions on both sides can effectively prevent scratching and damage to the side wing portions of the conductive rubber layer 11.

[0078] Optionally, referring to Figure 2 and Figure 3 , the first surface 111 of the conductive rubber layer 11 is convex outward and has an arc-shaped surface;

[0079] The side wing part 112 has arc-shaped protrusions 1121 protruding to the left and right respectively;

[0080] The insulating layer 12 at least covers the top end of the arc-shaped protrusions 1121.

[0081] The first surface 111 of the conductive rubber layer 11 protrudes outward, and the protruding part can be partially higher than the insulating layer 12 on both sides depending on the specific situation. The first surface 111 can be designed as an arc-shaped surface, so that the first surface 111 of the conductive rubber layer 11 protrudes outward and is higher than the insulating layer 12 on both sides.

[0082] The side wing part 112 of the conductive rubber layer 11 has arc-shaped protrusions 1121 protruding to the left and right respectively, and the first surface 111 has an arc-shaped surface protruding outward, which makes the cross section of the conductive rubber layer 11 in the shape of a water droplet with an arc-shaped profile. The arc-shaped profile enables the conductive rubber layer 11 to effectively disperse stress and reduce stress concentration, thereby improving the strength and ductility of the part. When facing external pressure or when the part abuts against another part, the conductive rubber strip 1 can disperse stress over a larger area, thereby improving the durability of the part. In addition, the arc-shaped profile of the part can also form better tightness when it contacts other parts, such as doors or door frames. Not only does it improve the connection strength between parts, but it also helps to improve air tightness, reduce noise and vibration, etc.

[0083] The insulating layer 12 at least covers the top end of the arc-shaped protrusions 1121, that is, the protrusion height of the insulating layer 12 on both sides is higher than the top of the arc-shaped protrusions 1121 of the side wing part 112, which makes it difficult for the conductive rubber layer 11 to slide out from the edges on both sides, effectively preventing the conductive rubber layer 11 from falling out of the groove of the insulating layer 12.

[0084] Optionally, referring to Figure 2 The second surface 113 of the conductive rubber layer 11 is arc-shaped, and the insulating layer 12 matches the second surface 113.

[0085] The second surface 113 of the conductive rubber layer 11 can also be arc-shaped, so that the second surface 113 can effectively disperse stress and improve the strength and ductility of the part. In the case where the first surface 111 and the two side wing parts 112 of the conductive rubber layer 11 are both arc-shaped surfaces, the cross section of the conductive rubber layer 11 as a whole can be in the shape of an ellipse or an approximately elliptical shape. The conductive rubber layer 11 with an elliptical or approximately elliptical profile has high resistance to expansion, excellent elasticity and flexibility, and a wide range of suitable temperatures. The insulating layer 12 can also be designed as an arc-shaped groove, so that the arc-shaped groove matches the second surface 113, which not only ensures good sealing performance with the conductive rubber layer 11, but also provides good elasticity, wear resistance and shock absorption effect. The matching shape of the second surface 113 facilitates the installation of the conductive rubber layer 11.

[0086] Embodiment Three

[0087] The embodiment also provides a conductive rubber strip 1, which is a further improvement of the second embodiment, and the improvement is that the second surface 113 can be a flat surface, which can make the conductive rubber layer 11 and the insulating layer 12 have better adhesion, and provide good air tightness.

[0088] Specifically, referring to Figure 3 It is shown that the second surface 113 is a flat surface;

[0089] The first surface 111 of the conductive rubber layer 11 is outwardly convex and has an arc-shaped surface, and the arc-shaped surface extends to the junction of the first surface 111 and the first surface 111.

[0090] The second surface 113 of the conductive rubber layer 11 is a flat surface, which can be tightly adhered to the insulating layer 12, and form a seal, which can reduce the penetration of external liquid or gas, and also facilitate to ensure the sensitivity of the capacitive sensing of the conductive rubber layer 11.

[0091] Embodiment Four

[0092] The embodiment further provides an anti-pinch sensing device, which comprises a controller 2 and the aforementioned conductive rubber strip 1, and can be arranged on one of a door or a door frame, and can perform capacitive detection on an object close to the door or the door frame and transmit a signal to realize the anti-pinch function.

[0093] Specifically, the anti-pinch sensing device comprises:

[0094] The aforementioned conductive rubber strip 1 is arranged on one of the door or the door frame, and measures the capacitance of an object close to the conductive rubber strip 1, and the conductive rubber strip 1 and the door or the door frame opposite to the conductive rubber strip 1 have a gap when the door and the door frame are closed.

[0095] The controller 2 is in communication connection with the conductive rubber strip 1, and is used for converting the capacitive signal transmitted by the conductive rubber strip 1 into a digital signal and transmitting the digital signal.

[0096] The anti-pinch sensing device of the embodiment can comprise the conductive rubber strip 1 and the controller 2, wherein the conductive rubber strip 1 can be arranged on one of the door or the door frame. When the conductive rubber is arranged on the door, it can be arranged along the edge of the door, and when the conductive rubber is arranged on the door frame, it can be arranged along the frame edge of the door frame. The conductive rubber strip 1 measures the capacitance value of an object close to the conductive rubber strip 1, such as a person's limbs, clothes, a bag carried by the person, etc. The conductive rubber and the door or the door frame opposite to the conductive rubber have a certain gap, so as to avoid the conductive rubber from contacting the door or the door frame to detect a capacitive value that is too large, and interfere with the analysis and judgment of the detection signal by the receiving terminal.

[0097] The controller 2 is in communication connection with the conductive rubber strip 1, for converting the capacitance signal transmitted by the conductive rubber strip 1 into a digital signal and transmitting it out. The capacitance signal is an analog signal, which is transmitted to the receiving end after being converted into a digital signal by the controller 2.

[0098] Specifically, the conductive rubber strip 1, as a part of the capacitance sensor, has a parasitic capacitance with the surrounding conductive body, such as the human body, metal frame, etc. When the human finger contacts or approaches the conductive rubber strip 1, a new electrostatic capacitance is formed, which is related to the conductive connection between the human body and the ground. The working principle of capacitance detection is to rely on the accurate capture of the weak capacitance change between the human body and the electrode by the microprocessor. By measuring the change of the capacitance value, the system can determine whether an object has contacted or approached the conductive rubber strip 1.

[0099] For example, in the scene where the anti-pinch sensing device of the present embodiment is installed, the door frame of the car door is installed with the conductive rubber strip 1, and when the passenger gets off the car and the door is about to be closed, the limbs or objects are in the movement track at the edge of the door. When the conductive rubber strip 1 is about to contact or has contacted the human limbs or objects, the conductive rubber strip 1 generates a capacitance change. The capacitance change generates an electric signal, which is transmitted to the system after being converted into a digital signal by the controller 2, and is successfully recognized by the system. If the signal value is different from that when the door is closed, or the contact signal value is within the set signal interval, the system controls the door to stop moving or open in reverse, realizing the anti-pinch function.

[0100] In an optional embodiment, the conductive rubber strip 1 can also be arranged in the outer edge of the car window or the inner edge of the window frame, which can detect the capacitance of the approaching object during the rising of the car window, and transmit the capacitance signal to the controller 2. After being converted into a digital signal by the controller 2, the signal is sent to the system for signal recognition, and the corresponding anti-pinch instruction is given to stop the movement of the car window or reverse it.

[0101] Optionally, as shown in Figure 6 When the door and the door frame are closed, the gap between the conductive rubber strip 1 and the door or the door frame opposite to it is greater than or equal to 3mm. Of course, in order to improve the sealing performance, the gap is preferably less than 10mm.

[0102] The electrically conductive rubber strip 1 is kept at a certain distance from the corresponding door or door frame in the closed state, so that the measured capacitance value of the electrically conductive rubber strip 1 is not too large. When the door and the door frame are closed, if the electrically conductive rubber strip 1 is in direct contact with the door or the door frame, a short circuit will occur. If the hand is in direct contact with the electrically conductive rubber strip 1 when the door is open, and the measured capacitance is similar to the measured capacitance when the door frame is closed, the system may fail to identify the similar capacitance signals, resulting in a judgment error. This will cause the door controller 2 to still be running when the system judges that the door has been closed, and the hand will be clamped.

[0103] By Figure 6 It can be seen that, in the closed state of the door and the door frame, the gap between the electrically conductive rubber strip 1 and the door or the door frame opposite to it is greater than or equal to 3mm, so that the capacitance value of the electrically conductive rubber strip 1 is not too large when it can detect the capacitance value of the door or the door frame. The capacitance value of the electrically conductive rubber strip 1 is not too large when it can detect the capacitance value of the door or the door frame.

[0104] Optionally, when the door and the door frame are closed, the electrically conductive rubber strip 1 can abut against the outer weather sealing element arranged on the door or the door frame opposite to it.

[0105] The body of the electrically conductive rubber strip 1 is made of rubber material, which has good air tightness in the extruded state, and can abut against the outer weather sealing element on the door or the door frame to produce good air tightness effect. In addition, when the door and the door frame are closed, the outer weather sealing element can produce a certain distance interval between the electrically conductive rubber strip 1 and the door frame, so as to avoid too high capacitance detection signal caused by direct contact and reduce false measurement.

[0106] It is worth noting that the outer weather sealing element can be made of rubber material or other insulating composite material.

[0107] Optionally, the controller 2 is arranged in the dry area of the door or the door frame, the lead-out wire 21 of the controller 2 passes through the wire hole arranged in the dry area to be electrically connected with the electrically conductive rubber strip 1, and a waterproof plug 22 is arranged on the wire hole;

[0108] The controller 2 is in communication connection with the host of the vehicle, and the controller 2 starts or stops the detection of the capacitance signal in response to the start and stop signals of the host.

[0109] The controller 2 is arranged in the dry area of the door or door frame together with the conductive rubber strip 1. The dry area is a dry area which is not affected by the rain and humidity by physical separation. The lead-out wire 21 of the controller 2 is electrically connected with the conductive rubber strip 1 through the wire hole arranged in the dry area. The lead-out wire 21 is used to receive and transmit the electrical signal detected by the conductive rubber strip 1. The wire hole is arranged between the dry area and the outside environment to enable the lead-out wire 21 to pass out of the dry area. The waterproof plug 22 is arranged on the wire hole to isolate the dry area where the controller 2 is arranged from the outside environment and to play a sealing role. The controller 2 is in communication connection with the conductive rubber strip 1. The capacitance signal detected by the conductive rubber strip 1 is transmitted to the controller 2 through the lead-out wire 21 and is transmitted out of the controller 2.

[0110] The controller 2 is in communication connection with the host of the vehicle. The host can be the central control unit of the vehicle or a control unit specially used for controlling and monitoring the anti-pinch sensing device. The controller 2 is started or stopped to detect the capacitance signal in response to the start and stop signals of the host, that is, the start and stop of the controller 2 can be realized by controlling the main switch of the host.

[0111] Referring to Figure 4 As shown in the optional embodiment, the lead-out wire 21 can be arranged in a vertical manner at the connection position with the conductive rubber strip 1. The vertical connection position is arranged at the wire hole in the dry area to hide the whole lead-out wire 21 in the dry area. A rubber plug is arranged at the wire hole to prevent rainwater from entering. The above arrangement can maximize the hiding of the lead-out wire 21 in the dry area, effectively reducing the influence and interference of the external environment on the transmission of the electrical signal in the lead-out wire 21.

[0112] Finally, it should be noted that those skilled in the art can understand that, in order to enable the reader to better understand the patent, the embodiments of the patent propose many technical details. However, even without these technical details and various changes and modifications based on the above embodiments, the technical solutions claimed in the claims of the patent can be basically realized. Therefore, in actual application, various changes can be made to the above embodiments in form and details without departing from the spirit and scope of the patent.

Claims

1. An electrically conductive rubber strip, characterized in that, The conductive rubber layer has a first surface at least partially exposed to air, and the exposed part of the conductive rubber layer is used to measure the capacitance of an object close to or in contact with the first surface. An insulating layer is connected to a second surface of the conductive rubber layer, the second surface being opposite to the first surface, and the conductive rubber layer is fixed to an external device through the insulating layer. Further comprising:

2. The conductive rubber strip according to claim 1, characterized in that An adhesive layer is arranged on the insulating layer to fix the insulating layer to the external device. The resistance of the conductive rubber layer is in the range of 300Ω to 4KΩ.

3. The conductive rubber strip according to claim 1, characterized in that, The insulating layer at least partially covers the flanking parts of the conductive rubber layer on both sides of the first surface.

4. The conductive rubber strip of claim 1, wherein The first surface of the conductive rubber layer is outwardly convex and has an arc-shaped surface.

5. The conductive rubber strip according to claim 4, characterized in that The flanking parts have arc-shaped convexities respectively protruding to the left and right sides. The insulating layer at least covers the top ends of the arc-shaped convexities. The second surface of the conductive rubber layer is arc-shaped, and the insulating layer is consistent with the second surface.

6. The conductive rubber strip according to claim 5, characterized in that The second surface is planar.

7. The conductive rubber strip according to claim 4, wherein The first surface of the conductive rubber layer is outwardly convex and has an arc-shaped surface, and the arc-shaped surface extends to the junction of the first surface. The conductive rubber strip of any one of claims 1 to 7 is arranged on one of a door or a door frame, and is used to measure the capacitance of an object close to the conductive rubber strip, the door and the door frame having a gap when they are closed.

8. An anti-pinch sensing device, comprising: A controller is communicatively connected to the conductive rubber strip, and is used to convert the capacitance signal transmitted by the conductive rubber strip into a digital signal and transmit it out. The gap between the conductive rubber strip and the door or door frame opposite to it is greater than or equal to 3mm when the door and the door frame are closed. The conductive rubber layer of the conductive rubber strip can abut against an external weather strip arranged on the door or door frame opposite to it when the door and the door frame are closed.

9. The anti-pinch sensing device of claim 8, wherein, The controller is arranged in a dry area of the door or door frame, and the outgoing line of the controller is electrically connected to the conductive rubber strip through a wire hole provided in the dry area, and a waterproof plug is arranged on the wire hole.

10. The anti-pinch sensing device of claim 8, wherein, The controller is communicatively connected to a host of a vehicle, and the controller starts or stops detecting the capacitance signal in response to a start / stop signal of the host.

11. The anti-pinch sensing device of claim 8, wherein, The door of the vehicle is provided with the conductive rubber strip of any one of claims 1 to 11. The door frame of the vehicle is provided with the conductive rubber strip of any one of claims 1 to 11.

12. A door of a vehicle, characterized in that The vehicle is provided with the door of claim 12, or the vehicle is provided with the door frame of claim 13.

13. A door frame of a vehicle, characterized by ​ 14. A carrier, characterized by ​

Images