Safe anti-pinch induction type automatic door

Abstract

The utility model belongs to the technical field of induction type automatic doors, and provides a safe anti-pinch induction type automatic door which comprises a first door body and a second door body, the safe anti-pinch induction type automatic door further comprises lintels and sliding rails, the lintels are arranged at the top of the first door body and the top of the second door body, and the sliding rails are arranged at the bottom of the first door body and the bottom of the second door body. The first door body is provided with an anti-pinch assembly, and the anti-pinch assembly is located on the side close to the second door body. A driving assembly and a controller are arranged in the lintel, and an infrared sensor is arranged outside the lintel; the two driving assemblies are located on the two sides in the lintel, and the controller is located in the center in the lintel. And the driving assembly and the infrared sensor are connected with the controller. According to the safe anti-pinch induction type automatic door, a user can be prevented from being pinched, and the safety of the induction type automatic door is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of inductive automatic door, specifically relates to a safe anti-pinch inductive automatic door. BACKGROUND

[0002] The conventional inductive automatic door mainly detects the approach of human body or object through infrared, microwave and other sensors, and controls the opening and closing of the door accordingly. However, these sensors may have misjudgment or missed judgment in complex environments (such as light changes, multiple object interference), resulting in the door pinching people or objects during the closing process. In the prior art, a safety touch plate is generally used as an anti-pinch device for the inductive automatic door. The safety touch plate is an electromechanical integrated door closing anti-pinch safety device composed of a circuit, a mechanical switch and a conductive plate. Its normal operation depends on the stability and reliability of the mechanical structure. However, over time and with frequent use, the mechanical structure may have problems such as wear, looseness or damage, thereby affecting the sensing effect and anti-pinch performance of the safety touch plate. Since the safety touch plate is a mechanical and electronic composite device, its maintenance and maintenance cost is relatively high, and it needs to be regularly inspected and maintained to ensure its normal operation and anti-pinch performance, which may increase the operating cost of the elevator. SUMMARY

[0003] To solve the problems in the prior art, the utility model provides a safe anti-pinch inductive automatic door, which avoids the user from being pinched during use. The utility model has the advantages of simple structure, low manufacturing cost, easy maintenance and care.

[0004] The utility model adopts the following technical scheme.

[0005] A safe anti-pinch inductive automatic door, comprising a first door body and a second door body, the safe anti-pinch inductive automatic door further comprising a lintel and a slide rail, the top of the first door body and the second door body being provided with the lintel, the bottom of the first door body and the second door body being provided with the slide rail;

[0006] A first door body is provided with an anti-pinch assembly, and the anti-pinch assembly is located on the side close to the second door body. The inside of the lintel is provided with a driving assembly and a controller, and the outside of the lintel is provided with an infrared sensor. The number of driving assemblies is two, which are located on both sides of the inside of the lintel. The controller is located in the center of the inside of the lintel. The driving assembly, the infrared sensor and the controller are connected.

[0007] Further, the anti-pinch assembly comprises an anti-pinch plate, a spring and a pressure sensor. The number of springs and pressure sensors is several, and the number of anti-pinch plates is one. The side of the anti-pinch plate away from the second door body is provided with several columns.

[0008] One end of the spring is connected to the pressure sensor, and the other end is connected to the column on the anti-pinch plate. The pressure sensor is electrically connected with the controller.

[0009] Further, the first door body is provided with a plurality of mounting grooves for connecting the anti-pinch assembly, and the pressure sensor is arranged in the mounting groove away from the second door body; the second door body is provided with a groove matched with the anti-pinch plate, and the anti-pinch plate is arranged in the groove of the second door body when the inductive automatic door is closed.

[0010] Further, the outer surfaces of the first door body, the second door body and the anti-pinch plate are provided with rubber protective layers.

[0011] Further, the driving assembly comprises a motor and a lead screw, one end of the lead screw is connected with the motor, and the other end of the lead screw is connected with the lead screw bearing fixed seat.

[0012] Further, the top of the first door body and the second door body is provided with a first sliding block, and the bottom of the first door body and the second door body is provided with a second sliding block, the first sliding block is connected with the lead screw, and the second sliding block is connected with the bottom sliding rail.

[0013] Further, the lintel is further provided with a buzzer alarm, and the buzzer alarm is connected with the controller.

[0014] The inductive automatic door provided by the utility model has the advantages that compared with the prior art, the inductive automatic door is simple in structure, low in manufacturing cost, capable of avoiding the risk of user being pinched, and improving the safety of the inductive automatic door; when the user is pinched, the anti-pinch assembly composed of the anti-pinch plate, the spring and the pressure sensor can timely transmit the pressure information to the controller, the controller drives the door body to open, thereby preventing the user from being pinched, and meanwhile, the spring and the rubber protective layer are arranged to play a buffering role, thereby better protecting the user. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is an internal structure schematic view of the inductive automatic door provided by the utility model;

[0016] Fig. 2 is a structure schematic view of the inductive automatic door provided by the utility model;

[0017] Fig. 3 is an electrical device structure connection view of the inductive automatic door provided by the utility model.

[0018] In the drawing: 1-first door body; 2-second door body; 3-lintel; 4-sliding rail; 51-motor; 52-lead screw; 53-first sliding block; 54-second sliding block; 61-anti-pinch plate; 62-spring; 63-pressure sensor; 7-controller; 8-infrared inductor; 9-buzzer alarm. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described clearly and completely below by combining with the drawings in the utility model embodiments. The embodiments described in the application are only a part of the embodiments of the utility model, not all the embodiments. Based on the spirit of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] As Figs. 1-3 shown, a safe anti-pinch inductive automatic door, including first door body 1, second door body 2, slide rail 4, door jamb 3, anti-pinch assembly, drive assembly, controller 7 and infrared sensor 8;

[0021] Door jamb 3 is arranged above first door body 1 and second door body 2, and slide rail 4 is arranged at the bottom of first door body 1 and second door body 2. The middle position outside door jamb 3 is provided with infrared sensor 8 and buzzer alarm 9, and the middle position inside door jamb 3 is provided with controller 7. Infrared sensor 8 and buzzer alarm 9 are connected with controller 7. Both sides inside door jamb 3 are provided with drive assembly, and drive assembly includes motor 51 and screw rod 52. One end of screw rod 52 is connected with motor 51, and the other end of screw rod 52 is connected with screw rod bearing fixed seat. The top of first door body 1 and second door body 2 is provided with first sliding block 53, and the bottom of first door body 1 and second door body 2 is provided with second sliding block 54. First sliding block 53 is connected with screw rod 52, and second sliding block 54 is connected with bottom slide rail 4.

[0022] The anti-pinch assembly is arranged on the first door body 1 and located on the side close to the second door body 2, and the anti-pinch assembly comprises a spring 62, an anti-pinch plate 61 and a pressure sensor 63, the first door body 1 is provided with a plurality of mounting grooves for connecting the anti-pinch assembly; the number of the spring 62 and the pressure sensor 63 is a plurality, the number of the anti-pinch plate 61 is one, and the side, away from the second door body 2, of the anti-pinch plate 61 is provided with a plurality of stand columns; the pressure sensor 63 is arranged in the mounting groove and away from the second door body 2 at one end, the pressure sensor 63 is connected with one end of the spring 62, and the other end of the spring 62 is connected with the stand column on the anti-pinch plate 61. The second door body 2 is also provided with a groove matched with the anti-pinch plate 61, when the door body is normally closed, the spring 62 is not subjected to any external force and is in a free state, and the anti-pinch plate 61 is placed in the groove of the second door body 2; the distance from the bottom end of the anti-pinch plate 61 to the bottom end of the second door body 2 and the distance from the top end of the anti-pinch plate 61 to the top end of the second door body 2 is 4-6 cm, compared with the safety touch plate in the prior art, the blind area of the anti-pinch assembly is reduced; when the user is pinched, the anti-pinch plate 61 is stressed to compress the spring 62, the compression force acts on the pressure sensor 63, the pressure sensor 63 transmits the pressure data to the controller 7, the controller 7 receives the pressure data information, drives the motor 51 to open the door body, and controls the buzzer 9 to alarm according to the pressure data. The pressure sensor 63 is arranged in the plurality of mounting grooves on the first door body 1, which can adapt to different pinching positions of the user, and when any one pressure sensor 63 reaches a preset pressure value, the controller 7 drives the door body to open, thereby improving the anti-pinch accuracy of the inductive automatic door.

[0023] The two sides of the first door body 1 and the second door body 2 are provided with rubber protective layers, and the outer surface of the anti-pinch plate 61 is also provided with a rubber protective layer, which can buffer and protect the user when the user is pinched, and can fully protect the first door body 1 and the second door body 2, so that the first door body 1 and the second door body 2 are prevented or reduced from being damaged.

[0024] When the inductive automatic door safety anti-pinch device is used, the user stands in front of the automatic door and is sensed by the infrared sensor, the infrared sensor transmits signals to the controller, the controller drives the door body to open through the motor according to the signals transmitted by the infrared sensor, when the user successfully enters the elevator, the infrared sensor cannot sense the user, the infrared sensor transmits signals to the controller, and the controller drives the door body to close through the motor according to the signals transmitted by the infrared sensor; when the user is pinched during the closing process of the door body, the anti-pinch plate extrudes the spring, the pressure sensor transmits the pressure information to the controller, when the pressure value reaches a first preset value, the controller drives the door body to open through the motor, when the user forcibly enters or stretches out a body part to try to prevent the door from closing when the door is about to close, the pressure value may reach a second preset value, at this time, the controller drives the door body to open through the motor and controls the buzzer to emit an alarm sound, reminding the user that there may be a pinching injury.

[0025] The safety anti-pinch induction type automatic door has the advantages that compared with the prior art, the safety anti-pinch induction type automatic door has simple structure and low manufacturing cost, can avoid the risk of a user being pinched, and improves the safety of the induction type automatic door.

[0026] It should be noted finally that the above embodiments are only used to illustrate the technical solutions of the present application but not to limit it, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the specific embodiments of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and any modification or equivalent replacement without departing from the spirit and scope of the present application should be covered in the protection scope of the claims of the present application.

Claims

1. A safety anti-pinch inductive automatic door, comprising a first door body (1) and a second door body (2), characterized in that: the safety anti-pinch inductive automatic door further comprises a lintel (3) and a sliding rail (4), the top of the first door body (1) and the second door body (2) is provided with the lintel (3), and the bottom of the first door body (1) and the second door body (2) is provided with the sliding rail (4); an anti-pinch assembly is arranged on the first door body (1), and the anti-pinch assembly is located on the side close to the second door body (2); the inside of the lintel (3) is provided with a driving assembly and a controller (7), the outside of the lintel (3) is provided with an infrared sensor (8); the number of the driving assembly is two, which is located on both sides of the inside of the lintel (3), and the controller (7) is located in the center of the inside of the lintel (3); the driving assembly, the infrared sensor (8) and the controller (7) are connected.

2. The safety anti-pinch inductive automatic door according to claim 1, characterized in that: the anti-pinch assembly comprises an anti-pinch plate (61), a spring (62) and a pressure sensor (63), the number of the spring (62) and the pressure sensor (63) is several, the number of the anti-pinch plate (61) is one, and the side, away from the second door body (2), of the anti-pinch plate (61) is provided with several stand columns; one end of the spring (62) is connected with the pressure sensor (63), and the other end of the spring (62) is connected with the stand column on the anti-pinch plate (61); the pressure sensor (63) is electrically connected with the controller (7).

3. The safety anti-pinch inductive automatic door according to claim 2, characterized in that: a plurality of mounting grooves for connecting the anti-pinch assembly are arranged on the first door body (1), and the pressure sensor (63) is arranged in the mounting groove away from the second door body (2); a groove adapted to the anti-pinch plate (61) is arranged on the second door body (2), and the anti-pinch plate (61) is placed in the groove of the second door body (2) when the inductive automatic door is closed.

4. The safety anti-pinch inductive automatic door according to claim 3, characterized in that: rubber protective layers are arranged on the outer surfaces of the two sides of the first door body (1) and the second door body (2) and the anti-pinch plate (61).

5. The safety anti-pinch inductive automatic door according to claim 1, characterized in that: the driving assembly comprises a motor (51) and a lead screw (52), one end of the lead screw (52) is connected with the motor (51), and the other end of the lead screw (52) is connected with a lead screw bearing fixed seat.

6. The safety anti-pinch inductive automatic door according to claim 5, characterized in that: a first sliding block (53) is arranged on the top of the first door body (1) and the second door body (2), a second sliding block (54) is arranged at the bottom of the first door body (1) and the second door body (2), the first sliding block (53) is connected with the lead screw (52), and the second sliding block (54) is connected with the bottom sliding rail (4).

7. The safety anti-pinch inductive automatic door according to claim 1, characterized in that: a buzzer alarm (9) is further arranged on the outside of the lintel (3), and the buzzer alarm (9) is connected with the controller (7). ​ ​ ​ ​ ​ ​ ​ ​

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