CN-224231986-U - Capacitive sensor, door handle and vehicle

Abstract

The utility model provides a capacitive sensor, a door handle and a vehicle, wherein the capacitive sensor comprises: the induction piece is connected with the induction circuit, one side, far away from the induction circuit, of the induction piece is provided with an induction surface, the induction surface is an arc surface, or the induction surface is arranged at an angle with the plane where the induction circuit is located. The induction piece is made of a sheet metal material, has certain soft ductility, can make the induction surface into an inclined plane or an arc surface, further enables the shape design of the door handle to be not limited any more, can be made into a shape with an inclined plane or an arc surface, improves the design attractiveness of the door handle, and further meets the requirements of customers.

Inventors

• DAI SHIFENG
• Ning Lilv
• HUANG XIAOLIN

Assignees

• 远峰科技股份有限公司

Dates

Publication Date

20260512

Application Date

20250723

Claims (10)

1. 1. A capacitive sensor for use with a door handle, comprising: an induction circuit; The induction piece is connected with the induction circuit, one side of the induction piece, which is far away from the induction circuit, is provided with an induction surface, the induction surface is a cambered surface, or the induction surface is arranged at an angle with the plane where the induction circuit is located.
2. 2. The capacitive sensor of claim 1, wherein a difference between a maximum distance and a minimum distance of the sensing surface from a plane in which the sensing circuit is located is less than or equal to 10mm.
3. 3. The capacitive sensor of claim 1, wherein the sensing surface is arcuate, the sensing surface protruding away from the sensing circuit.
4. 4. The capacitive sensor of claim 1, wherein the sensing surface is disposed at an angle to a plane in which the sensing circuit is disposed, and the sensing plate is further provided with a suction plane disposed in a direction parallel to the plane in which the sensing circuit is disposed.
5. 5. The capacitive sensor of claim 1, wherein the capacitive sensor comprises at least two sensing pads and a plurality of pins, the at least two sensing pads being spaced apart along a direction parallel to a plane in which the sensing circuit is located, each sensing pad being connected to the sensing circuit by the at least two pins.
6. 6. A door handle comprising a mounting housing, a circuit board, and the capacitive sensor of any one of claims 1-5; The circuit board and the induction piece are arranged in the installation shell, and the induction circuit is arranged on the circuit board; the mounting shell is provided with a mounting surface and a touch surface, the mounting surface is used for being connected with the door panel, and the touch surface is arranged towards the interior of the carriage; The touch surface is matched with the shape of the sensing surface.
7. 7. The door handle according to claim 6, wherein the touch surface and the sensing surface are arranged at intervals in a direction perpendicular to the circuit board, and a distance between the touch surface and the sensing surface is less than 6mm.
8. 8. The door handle according to claim 6, wherein an induction area is provided on the touch surface, the induction area is sized to fit the induction surface, the induction area is covered with a waterproof material, and the waterproof material protrudes out of the touch surface.
9. 9. The door handle according to claim 6, further provided with a protective layer that is wrapped around the circuit board and the exterior of the sensing piece and is located inside the mounting case; The side wall of the mounting shell is further provided with a transmission through hole, the capacitive sensor further comprises a transmission wire harness, one end of the transmission wire harness penetrates through the transmission through hole and is connected with the circuit board, and the other end of the transmission wire harness is connected with the control end of the vehicle.
10. 10. A vehicle comprising a door, the door being provided with the door handle according to any one of claims 6 to 9.

Description

Capacitive sensor, door handle and vehicle Technical Field The utility model relates to the field of automobile door handles, in particular to a capacitive sensor, a door handle and a vehicle. Background In the current age of rapid development of new energy automobiles, hidden door handles have been developed. A mechanical key is arranged in a traditional door handle, and a user is required to trigger a car key sensing signal to unlock the car door lock. On the hidden door handle, the mechanical key is replaced by a capacitive touch sensor. At present, a hard PCB is mostly used for the capacitive touch sensor and is connected with a circuit board of a door handle through pins so as to form and transmit capacitive signals. Because the appearance of stereoplasm PCB board is planar type, in order to guarantee capacitive signal's homogeneity, door handle structure just is limited to planar design, has restricted the diversification of door handle design. Disclosure of utility model In view of the above, the embodiments of the present utility model are directed to providing a capacitive sensor, a door handle and a vehicle, so as to solve the problem that the conventional capacitive sensor is of a planar structure, and limit the shape design of the door handle. In order to solve the above problems, the present utility model provides a capacitive sensor applied to a door handle, including: an induction circuit; The induction piece is connected with the induction circuit, one side of the induction piece, which is far away from the induction circuit, is provided with an induction surface, the induction surface is a cambered surface, or the induction surface is arranged at an angle with the plane where the induction circuit is located. In one embodiment of the utility model, the difference between the maximum distance and the minimum distance of the sensing surface from the plane of the sensing circuit is less than or equal to 10mm. In one embodiment of the utility model, the sensing surface is a cambered surface, and the sensing surface is convex towards a direction away from the sensing circuit. In one embodiment of the utility model, the sensing surface is disposed at an angle to a plane of the sensing circuit, and the sensing piece is further provided with a suction plane, and the suction plane is disposed along a direction parallel to the plane of the sensing circuit. In one embodiment of the present utility model, the capacitive sensor includes at least two sensing pads and a plurality of pins, the at least two sensing pads are arranged at intervals along the direction parallel to the plane of the sensing circuit, and each sensing pad is connected to the sensing circuit through the at least two pins. In order to solve the above problems, the present utility model also provides a door handle comprising a mounting housing, a circuit board, and a capacitive sensor as described above; The circuit board and the induction piece are arranged in the installation shell, and the induction circuit is arranged on the circuit board; the mounting shell is provided with a mounting surface and a touch surface, the mounting surface is used for being connected with the door panel, and the touch surface is arranged towards the interior of the carriage; The touch surface is matched with the shape of the sensing surface. In one embodiment of the utility model, the touch surface and the sensing surface are arranged at intervals along the direction perpendicular to the circuit board, and the distance between the touch surface and the sensing surface is smaller than 6mm. In one embodiment of the utility model, a sensing area is arranged on the touch surface, the size of the sensing area is matched with that of the sensing surface, the sensing area is covered with a waterproof material, and the waterproof material protrudes out of the touch surface. In one embodiment of the utility model, the door handle is further provided with a protective layer, and the protective layer is coated on the outer parts of the circuit board and the induction piece and is positioned in the mounting shell; The side wall of the mounting shell is further provided with a transmission through hole, the capacitive sensor further comprises a transmission wire harness, one end of the transmission wire harness penetrates through the transmission through hole and is connected with the circuit board, and the other end of the transmission wire harness is connected with the control end of the vehicle. In order to solve the above-described problems, an embodiment of the present utility model also provides a vehicle including a door to which the door handle as described above is mounted. Compared with the prior art, the capacitive sensor provided by the embodiment of the utility model has the beneficial effects that: The utility model provides a capacitance sensor which comprises an induction circuit and an induction sheet, wherein the induction sheet is connected with