CN-224217395-U - Key structure and electronic equipment

Abstract

The utility model relates to the technical field of keys and discloses a key structure and electronic equipment, wherein the key structure comprises a housing, a shell, an infrared sensing assembly, a micro-switch assembly and an elastic piece, the shell is provided with a containing cavity and a mounting port communicated with the containing cavity, the infrared sensing assembly and the micro-switch assembly are arranged in the containing cavity along the extending direction of the shell, the infrared sensing assembly is arranged on one side close to the mounting port, the housing is assembled on the mounting port and covers the infrared sensing assembly, the infrared sensing assembly comprises a first circuit board, an infrared emitter and an infrared receiver, the micro-switch assembly comprises a second circuit board and a micro-switch, the second circuit board is electrically connected with the first circuit board, the micro-switch is arranged on the second circuit board, the micro-switch is abutted against the first circuit board, one end of the elastic piece is connected with the infrared sensing assembly, and the other end of the elastic piece is connected with the micro-switch assembly. The utility model aims to solve the technical problems of poor induction precision and low response speed of the existing key structure.

Inventors

• CHEN JUNXING
• ZHANG MINGCHENG

Assignees

• 广东中默安防设备有限公司

Dates

Publication Date

20260508

Application Date

20250425

Claims (10)

1. 1. The key structure is characterized by comprising a housing, a shell, an infrared induction component, a micro switch component and an elastic piece, wherein the shell is provided with a containing cavity and a mounting port communicated with the containing cavity, the infrared induction component and the micro switch component are arranged in the containing cavity along the extending direction of the shell, the infrared induction component is arranged on one side close to the mounting port, and the housing is assembled on the mounting port and covers the infrared induction component; The infrared sensing assembly comprises a first circuit board, an infrared emitter and an infrared receiver, wherein the infrared emitter and the infrared receiver are arranged on the first circuit board and face the housing, the infrared emitter is used for emitting infrared light, the housing is used for transmitting the infrared light, and the infrared receiver is used for receiving the infrared light reflected by the obstacle; The micro-switch assembly comprises a second circuit board and a micro-switch, the second circuit board is electrically connected with the first circuit board, the micro-switch is arranged on the second circuit board, and the micro-switch is abutted against the first circuit board; one end of the elastic piece is connected with the infrared sensing assembly, and the other end of the elastic piece is connected with the micro switch assembly.
2. 2. The key structure of claim 1, wherein the infrared sensing assembly further comprises a diaphragm, the diaphragm being disposed between the housing and the casing, the diaphragm being sleeved on an outer periphery of the casing.
3. 3. The key structure according to claim 2, wherein a hook is provided on an outer peripheral surface of the housing, and a clamping groove is provided on an inner peripheral surface of the diaphragm, and the hook is in snap connection with the clamping groove.
4. 4. A key structure according to claim 3, wherein the hook is provided with a connection post extending toward the first circuit board, the first circuit board is provided with a connection hole corresponding to the connection post, and the connection post is inserted into the connection hole.
5. 5. The key structure according to claim 2, wherein the elastic member includes a waterproof ring, the waterproof ring is disposed in the accommodating cavity, a first end of the waterproof ring is connected to the diaphragm, and a second end of the waterproof ring is connected to the second circuit board.
6. 6. The key structure according to claim 5, wherein a waterproof groove facing the waterproof ring is further provided on an outer periphery of the diaphragm, and the first end of the waterproof ring is embedded in the waterproof groove.
7. 7. The key structure according to claim 6, wherein an annular protrusion is provided on an outer periphery of the diaphragm, and the annular protrusion and the diaphragm form the waterproof groove.
8. 8. The key structure of claim 5, wherein the waterproof ring is made of a silica gel material.
9. 9. The key structure of claim 1, wherein the infrared transmitter comprises an infrared photodiode and the infrared receiver comprises an infrared phototransistor.
10. 10. An electronic device comprising a key structure as claimed in any one of claims 1 to 9.

Description

Key structure and electronic equipment Technical Field The present utility model relates to the field of key technologies, and in particular, to a key structure and an electronic device. Background Along with the rapid development of technology, people are increasingly demanded for intelligent control of door bodies, and many door bodies are provided with intelligent switch panels so as to meet the convenient and efficient operation experience of users. In the prior art, a key structure is arranged on an intelligent switch panel of a door body, and functions of opening or closing the door and the like are realized by pressing a key structure trigger signal. However, the existing key structure has poor sensing precision and slow response speed, and reduces the use experience of users. Disclosure of utility model The utility model aims to provide a key structure and electronic equipment, and aims to solve the technical problems of poor induction precision and low response speed of the existing key structure. In order to achieve the above object, the present utility model provides a key structure, which includes a housing, a shell, an infrared sensing assembly, a micro-switch assembly and an elastic member, wherein the shell is provided with a receiving cavity and a mounting opening communicated with the receiving cavity, the infrared sensing assembly and the micro-switch assembly are arranged in the receiving cavity along the extending direction of the shell, the infrared sensing assembly is arranged at one side close to the mounting opening, and the housing is assembled at the mounting opening and covers the infrared sensing assembly; The infrared sensing assembly comprises a first circuit board, an infrared emitter and an infrared receiver, wherein the infrared emitter and the infrared receiver are arranged on the first circuit board and face the housing, the infrared emitter is used for emitting infrared light, the housing is used for transmitting the infrared light, and the infrared receiver is used for receiving the infrared light reflected by the obstacle; The micro-switch assembly comprises a second circuit board and a micro-switch, the second circuit board is electrically connected with the first circuit board, the micro-switch is arranged on the second circuit board, and the micro-switch is abutted against the first circuit board; one end of the elastic piece is connected with the infrared sensing assembly, and the other end of the elastic piece is connected with the micro switch assembly. In the key structure of the application, the infrared sensing assembly further comprises a diaphragm, wherein the diaphragm is arranged between the shell and the housing, and the diaphragm is sleeved on the periphery of the housing. In the key structure of the application, the outer peripheral surface of the housing is provided with the clamping hook, the inner peripheral surface of the diaphragm is provided with the clamping groove, and the clamping hook is in clamping connection with the clamping groove. In the key structure of the application, the clamping hook is provided with a connecting column extending to the first circuit board, the first circuit board is provided with a connecting hole corresponding to the connecting column, and the connecting column is inserted into the connecting hole. In the key structure of the application, the elastic piece comprises a waterproof ring, the waterproof ring is arranged in the accommodating cavity, a first end of the waterproof ring is connected with the diaphragm, and a second end of the waterproof ring is connected with the second circuit board. In the key structure of the application, a waterproof groove facing the waterproof ring is further arranged on the periphery of the light guide ring, and the first end of the waterproof ring is embedded into the waterproof groove. In the key structure, an annular bulge is arranged on the periphery of the light guide ring, and the annular bulge and the light guide ring form the waterproof groove. In the key structure of the application, the waterproof ring is made of silica gel material. In the key structure of the present application, the infrared transmitter includes an infrared photodiode, and the infrared receiver includes an infrared phototransistor. In a second aspect, the utility model further provides electronic equipment, which comprises the key structure. The utility model provides a key structure, which has the beneficial effects that: The key structure comprises a housing, a shell, an infrared sensing assembly, a micro switch assembly and an elastic piece, wherein the infrared sensing assembly and the elastic piece are pushed by pressing the housing, the micro switch is pushed by a first circuit board, and a trigger signal of the micro switch is sent to realize a trigger function of the key structure. When the infrared sensing assembly is not pushed, infrared light emitted by the infrared emitter is emitted outwards