CN115653432A - Automatic door capable of preventing hands from being clamped - Google Patents
Automatic door capable of preventing hands from being clamped Download PDFInfo
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- CN115653432A CN115653432A CN202211320627.6A CN202211320627A CN115653432A CN 115653432 A CN115653432 A CN 115653432A CN 202211320627 A CN202211320627 A CN 202211320627A CN 115653432 A CN115653432 A CN 115653432A
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Abstract
The invention is suitable for the technical field of automatic doors, and provides an automatic door capable of preventing hands from being clamped. This prevent automatically-controlled door of tong, through setting up slip strip and pressure sensor, this automatically-controlled door position between two push-and-pull doors sets up a plurality of laser generator and mechanism receiver, a existence for responding to the object, when laser generator does not sense the finger, at the in-process of closing, the slip strip can with people's finger at first contact, people can make the reaction and outwards take out the finger, can prevent that people from pointing to be cliied, and do not in time take out the finger when people, the slip strip can be impressed and contact with pressure sensor to the mounting groove is inside, pressure sensor will transmit the signal and open with this two push-and-pull doors of control, also can play the purpose that prevents the tong, multiple protection has been realized, thereby the device's practicality has been improved.
Description
Technical Field
The invention belongs to the technical field of automatic doors, and particularly relates to an automatic door capable of preventing hands from being clamped.
Background
The automatic door is understood from theory to be an extension of the concept of the door, namely the development and the perfection of the function of the door according to the needs of people, the development of the automatic door industry is mature day by day, and the automatic door refers to the following steps: the door opening control system comprises a control unit which can recognize the action of a person approaching the door (or authorize some entrance) as a door opening signal, opens the door through a driving system, automatically closes the door after the person leaves, and controls the opening and closing processes.
Thereby automatically, the automatically-controlled door can automated inspection people's the automation of being close to open, leave its detection range back when people, automatically-controlled door again can self-closing, generally realize this function through infrared induction device, but infrared induction device's detection range has certain limit, when people only point to be located between the door leaf, the existence that probably can't detect the finger, automatically-controlled door still can self-closing, just press from both sides the palm or the finger that injures people easily under this kind of condition, have certain potential safety hazard.
Disclosure of Invention
The invention provides an automatic door capable of preventing hands from being pinched, and aims to solve the problems that the detection range of an infrared sensing device in the automatic door has a certain limit, when a finger of a user is positioned between door leaves, the finger can not be detected, the automatic door still can be automatically closed, the palm or the finger of the user is easily pinched under the condition, and certain potential safety hazards exist.
The invention is realized in such a way that the automatic door capable of preventing hands from being clamped comprises a door frame, two fixed doors, a first sliding door and a second sliding door;
the two fixed doors are respectively and fixedly connected to two ends inside the door frame, an upper mounting plate and a lower mounting plate are respectively arranged above and below the inside of the door frame along the length direction of the door frame, and the first sliding door and the second sliding door are respectively connected between the upper mounting plate and the lower mounting plate in a sliding manner along the length direction of the door frame through pulleys;
the top end of the door frame is fixedly connected with a device frame along the length direction of the door frame, an infrared sensor is fixedly connected inside the device frame, a through hole matched with the device frame is formed in the position, located at the transmitting end of the infrared sensor, of the front end surface of the device frame, a PLC programming controller is fixedly connected inside the device frame and located on one side of the infrared sensor, mounting holes are formed in the surfaces of the upper mounting plate and the lower mounting plate and in the center line position in the length direction of the door frame in a penetrating mode, a laser generator and a laser receiver are fixedly connected in the mounting holes of the upper mounting plate and the lower mounting plate respectively, and the infrared sensor, the laser generator and the laser receiver are in signal connection with the PLC programming controller;
first push-and-pull door is located the outside surface of the vertical door frame of second push-and-pull door one side has seted up the mounting groove along its length direction, the inside of mounting groove has the slide bar along its width direction sliding connection, the inner of slide bar with horizontal fixedly connected with a plurality of springs between the mounting groove, the inside surface of mounting groove is provided with a plurality of pressure sensor, and is a plurality of pressure sensor all with PLC programming controller signal connection, it is a plurality of when the spring does not receive the power, the outer end of slide bar is located the outside of door frame.
Preferably, the surface of going up the mounting panel link up and has seted up two and lead to the groove, two lead to the groove with the mutual symmetry of central line in the door frame length direction, first push-and-pull door with its width direction fixedly connected with rack is all followed on the top of second push-and-pull door, two the rack is respectively through two lead to the groove and extend to the inside of device frame, the inside horizontal rotation of device frame is connected with two pivots, two the equal fixedly connected with first gear in surface of pivot, two first gear respectively with two rack toothing, two the pivot with the mutual symmetry of central line in the door frame length direction.
Preferably, two the one end of pivot all rotationally link up extremely the rear side surface of device frame, two the surface of pivot just is located the first belt pulley of the equal fixedly connected with in outside of device frame, the rear side surface of device frame rotates and is connected with two power shafts with the mutual symmetry of the central line on its length direction, two the equal fixedly connected with second belt pulley in surface of power shaft, two first belt pulley respectively with two the second belt pulley corresponds each other, two first belt pulley respectively with mutual correspondence the second belt pulley passes through belt drive and connects.
Preferably, the surfaces of the two power shafts and the rear side of the second belt pulley are fixedly connected with second gears, the two second gears are meshed with each other, a servo motor is arranged on the rear side of the device frame, and an output shaft of the servo motor is fixedly connected with one second gear.
Preferably, the outer end surface of the sliding strip is fixedly connected with a soft rubber strip along the length direction of the sliding strip.
Preferably, the outer surface of the vertical door frame of the second sliding door, which is positioned on one side of the first sliding door, is provided with a clamping groove corresponding to and matched with the sliding strip along the length direction.
Preferably, the central axes of the first gear and the first belt pulley on the same surface of the rotating shaft and the central axis of the rotating shaft are on the same straight line, and the central axes of the second belt pulley and the second gear on the same surface of the power shaft and the central axis of the power shaft are on the same straight line.
Preferably, the central axis of the output shaft of the servo motor and the central axis of the second gear fixedly connected with the output shaft of the servo motor are located on the same straight line.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: according to the automatic door capable of preventing hands from being clamped, the laser generator, the laser receiver, the sliding strip and the pressure sensor are arranged, the laser generator and the mechanism receiver are arranged at the position between the two sliding doors of the automatic door and used for sensing the existence of an object so as to control the automatic opening and closing of the two sliding doors, the sliding strip and the pressure sensor are arranged as a second guarantee, when the laser generator does not sense a finger, even if the sliding doors start to be automatically closed, in the closing process, the sliding strip on the first sliding door can be firstly contacted with the finger of a user, the user can take out the finger in response due to the contact of the sliding strip and the finger, and the sliding strip is connected with the door frame of the first sliding door through the spring, so that the user cannot be influenced to take out the finger, the finger of the user can be prevented from being clamped, and when the user does not take out the finger in time, the sliding strip can be pressed into the mounting groove and contacted with the pressure sensor, the pressure sensor can transmit signals so as to control the opening of the two sliding doors, the aim of preventing the hands from being clamped can be achieved, and the protection of the device is achieved, and the practicability of the device is improved.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a power system of the sliding door of the present invention;
FIG. 4 is an external view of the power system of the sliding door of the present invention;
fig. 5 is a schematic view of the structure of the protection shampoo of the invention.
In the figure: 1. a door frame; 2. a fixed door; 3. a first sliding door; 4. a second sliding door; 5. an upper mounting plate; 6. a lower mounting plate; 7. a device frame; 8. a through groove; 9. a rack; 10. a rotating shaft; 11. a first gear; 12. a first pulley; 13. a power shaft; 14. a second pulley; 15. a second gear; 16. a servo motor; 17. an infrared sensor; 18. a PLC programming controller; 19. a laser generator; 20. a laser receiver; 21. mounting grooves; 22. a spring; 23. a slide bar; 24. a pressure sensor; 25. a soft rubber strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, the present invention provides a technical solution: an automatic door capable of preventing hands from being clamped comprises a door frame 1, two fixed doors 2, a first sliding door 3 and a second sliding door 4;
the two fixed doors 2 are respectively and fixedly connected to two ends inside the door frame 1, an upper mounting plate 5 and a lower mounting plate 6 are respectively arranged above and below the inside of the door frame 1 along the length direction of the door frame, and the first sliding door 3 and the second sliding door 4 are respectively connected between the upper mounting plate 5 and the lower mounting plate 6 in a sliding manner through pulleys along the length direction of the door frame 1;
the top of door frame 1 is along its length direction fixedly connected with device frame 7, the inside fixedly connected with infrared inductor 17 of device frame 7, the front end surface of device frame 7 just is located the position of infrared inductor 17 transmission end and sets up the through-hole rather than the adaptation, the inside of device frame 7 just is located one side fixedly connected with PLC programming controller 18 of infrared inductor 17, the surface of going up mounting panel 5 and lower mounting panel 6 just is located the central line position on the door frame 1 length direction and has all link up and seted up the mounting hole, go up respectively fixedly connected with laser generator 19 and laser receiver 20 in the mounting hole of mounting panel 5 and lower mounting panel 6, infrared inductor 17, laser generator 19 and laser receiver 20 all with PLC programming controller 18 signal connection.
In this embodiment, the PLC programming controller 18 can receive information sent by the infrared sensor 17 to control the opening and closing of the first sliding door 3 and the second sliding door 4, the infrared sensor 17 can send a light curtain to scan an area in front of and behind the door by a certain distance, when a person or an object enters the area, the infrared sensor 17 can sense the approach of the person or the object, and then the signal is transmitted to the PLC programming controller 18, the PLC programming controller 18 can respond to the signal to control the first sliding door 3 and the second sliding door 4 to open, and after the first sliding door 3 and the second sliding door 4 are opened for a certain time, if no object exists in the range of the sensing area of the infrared sensor 17 within a certain time, the PLC programming controller 18 receives the signal to control the first sliding door 3 and the second sliding door 4 to start to close, so that the automatic closing and opening functions can be achieved.
The infrared inductor 17 is the prior art, when someone enters the induction range, the special sensor detects the change of the infrared spectrum of the human body, the load is automatically switched on, and the person does not leave the induction range and is continuously switched on; after the person leaves, the load is automatically closed in a delayed mode.
The laser generator 19 and the laser receiver 20 are prior art and will not be described in detail herein.
Further, the mounting groove 21 has been seted up along its length direction on the outside surface that first push-and-pull door 3 is located vertical door frame 1 of second push-and-pull door 4 one side, its width direction sliding connection has a slide bar 23 in the inside of mounting groove 21, a plurality of springs 22 of horizontal fixedly connected with between the inner of slide bar 23 and the mounting groove 21, the inside surface of mounting groove 21 is provided with a plurality of pressure sensor 24, a plurality of pressure sensor 24 all with 18 signal connection of PLC programming controller, when a plurality of springs 22 do not receive the power, the outer end of slide bar 23 is located the outside of door frame 1.
In this embodiment, when the laser generator 19 and the laser receiver 20 are out of order or the fingers of a person are not in the detection range, the first sliding door 3 and the second sliding door 4 start to close, if the hands of the person are still located inside the automatic door at this time, when the first sliding door 3 contacts with the person, the person feels the touch sense and immediately takes out the hand, and because the sliding strip 23 is arranged on the first sliding door 3, the sliding strip 23 can freely slide in the installation groove 21, and the hand can not be taken out by the person, the protection function can be taken as a first protection function, even if the person does not take out the hand from the door, the sliding strip 23 can contact with the pressure sensor 24 after entering the inside of the installation groove 21 for a certain distance, the pressure sensor 24 can transmit a signal to the PLC programming controller 18, and the PLC programming controller 18 can immediately react to control the first sliding door 3 and the second sliding door 4 to open, so that the protection function of preventing the pinch can be also achieved.
Further, go up the surface of mounting panel 5 and link up and seted up two and lead to groove 8, two lead to groove 8 with the ascending mutual symmetry of central line of 1 length direction of door frame, its width direction fixedly connected with rack 9 is all followed on the top of first push-and-pull door 3 and second push-and-pull door 4, two rack 9 lead to the inside that groove 8 extends to device frame 7 through two respectively, the inside horizontal rotation of device frame 7 is connected with two pivots 10, the equal fixedly connected with first gear 11 in surface of two pivots 10, two first gear 11 mesh with two racks 9 respectively, two pivots 10 are with the ascending mutual symmetry of central line of 1 length direction of door frame.
One end of each of the two rotating shafts 10 is rotatably communicated with the rear side surface of the device frame 7, the surfaces of the two rotating shafts 10 are respectively and fixedly connected with first belt pulleys 12 located outside the device frame 7, the rear side surface of the device frame 7 is rotatably connected with two power shafts 13 which are symmetrical to each other by using a central line in the length direction of the power shafts, the surfaces of the two power shafts 13 are respectively and fixedly connected with second belt pulleys 14, the two first belt pulleys 12 are respectively corresponding to the two second belt pulleys 14, and the two first belt pulleys 12 are respectively connected with the corresponding second belt pulleys 14 through belt transmission.
The surfaces of the two power shafts 13 and the rear sides of the second belt pulleys 14 are fixedly connected with second gears 15, the two second gears 15 are mutually meshed, a servo motor 16 is arranged on the rear side of the device frame 7, and an output shaft of the servo motor 16 is fixedly connected with one second gear 15.
In this embodiment, when the PLC programming controller 18 receives an instruction to open or close the first sliding door 3 or the second sliding door 4, the PLC programming controller 18 controls the servo motor 16 to start, the servo motor 16 starts to drive the second gear 15 fixedly connected to the output shaft of the servo motor to rotate, the two second gears 15 engaged with each other start to move in the same speed and opposite directions, so that the two second pulleys 14 drive the two first pulleys 12 to move in the same speed and opposite directions, the two first gears 11 coaxial with the two first pulleys 12 also start to rotate, and thus the two racks 9 drive the first sliding door 3 and the second sliding door 4 to move, so as to control the opening or closing of the first sliding door 3 and the second sliding door 4.
Further, a soft rubber strip 25 is fixedly attached to the outer end surface of the slide bar 23 along the length direction thereof.
In this embodiment, in the process of the motion of first push-and-pull door 3, what contact people at first is soft rubber strip 25, and its self material is soft, even people take out the hand fast, can not cause fish tail or wearing and tearing to the skin of people's hand yet, plays certain guard action.
Furthermore, the outer surface of the vertical door frame 1, which is positioned on one side of the first sliding door 3, of the second sliding door 4 is provided with a clamping groove corresponding to and matched with the sliding strip 23 along the length direction.
In this embodiment, the locking groove is adapted to the sliding bar 23, so as to prevent the sliding bar 23 from being pressed into the mounting groove 21 to trigger the pressure sensor 24 after the first sliding door 3 and the second sliding door 4 are combined.
The working principle and the using process of the invention are as follows: after the door is installed, in the normal operation process, whether people exist in the front and back of the door or not can be sensed through the infrared sensor 17, signals are transmitted to the PLC (programmable logic controller) 18 to control the opening and closing of the first sliding door 3 and the second sliding door 4, meanwhile, the laser generator 19 and the laser receiver 20 arranged in the door can detect whether people exist in the door frame 1 or not, so that whether the first sliding door 3 and the second sliding door 4 are normally opened or not is controlled, when the laser generator 19 and the laser receiver 20 have problems or fingers of people are not in the detection range, the first sliding door 3 and the second sliding door 4 start to be closed, if hands of people are still located in the automatic door, when the first sliding door 3 is in contact with people, people feel touch and immediately take a reaction of taking out the hands, due to the fact that the sliding strip 23 is arranged on the first sliding door 3, the sliding strip 23 can freely slide in the installation groove 21, the hands of people cannot be taken out, the PLC can be used as first heavy protection, even if people do not take out the hands from the first sliding door 3, the sliding strip 23 can immediately control the pressure sensor to control the PLC 18 to control the sliding door 18 to control the second sliding sensor, and the PLC 18 can immediately control the pressure sensor.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides an automatic door of preventing tong which characterized in that: comprises a door frame (1), two fixed doors (2), a first sliding door (3) and a second sliding door (4);
the two fixed doors (2) are respectively and fixedly connected to two ends inside the door frame (1), an upper mounting plate (5) and a lower mounting plate (6) are respectively arranged above and below the inside of the door frame (1) along the length direction of the door frame, and the first sliding door (3) and the second sliding door (4) are respectively and slidably connected between the upper mounting plate (5) and the lower mounting plate (6) through pulleys along the length direction of the door frame (1);
the top end of the door frame (1) is fixedly connected with a device frame (7) along the length direction, an infrared sensor (17) is fixedly connected inside the device frame (7), the front end surface of the device frame (7) is positioned at the transmitting end of the infrared sensor (17) and is provided with a through hole matched with the device frame, a PLC (programmable logic controller) is fixedly connected inside the device frame (7) and positioned on one side of the infrared sensor (17), the surfaces of the upper mounting plate (5) and the lower mounting plate (6) are communicated with the center line part of the door frame (1) in the length direction and is provided with a mounting hole, a laser generator (19) and a laser receiver (20) are respectively and fixedly connected in the mounting hole of the upper mounting plate (5) and the mounting plate (6), and the infrared sensor (17), the laser generator (19) and the laser receiver (20) are in signal connection with the PLC (18);
first push-and-pull door (3) are located mounting groove (21) have been seted up along its length direction to the outside surface of the vertical door frame of second push-and-pull door (4) one side, there is slide bar (23) inside along its width direction sliding connection of mounting groove (21), the inner of slide bar (23) with horizontal fixedly connected with a plurality of springs (22) between mounting groove (21), the inside surface of mounting groove (21) is provided with a plurality of pressure sensor (24), and is a plurality of pressure sensor (24) all with PLC programming controller (18) signal connection, it is a plurality of when spring (22) do not receive the force, the outer end of slide bar (23) is located the outside of door frame.
2. The automatic door of claim 1, characterized in that: go up the surface of mounting panel (5) and link up and seted up two and lead to groove (8), two lead to groove (8) with the central line mutual symmetry on door frame (1) length direction, first push-and-pull door (3) with its width direction fixedly connected with rack (9), two are all followed on the top of second push-and-pull door (4) rack (9) are respectively through two lead to groove (8) and extend to the inside of device frame (7), the inside transverse rotation of device frame (7) is connected with two pivot (10), two the equal fixedly connected with first gear (11) in surface of pivot (10), two first gear (11) respectively with two rack (9) meshing, two pivot (10) with the central line mutual symmetry on door frame (1) length direction.
3. The automatic door of claim 2, characterized in that: two the one end of pivot (10) all rotationally link up extremely the rear side surface of device frame (7), two the surface of pivot (10) just is located the first belt pulley (12) of the equal fixedly connected with in outside of device frame (7), the rear side surface of device frame (7) rotates and is connected with two power shaft (13) with the mutual symmetry of the central line on its length direction, two the equal fixedly connected with second belt pulley (14) in surface of power shaft (13), two first belt pulley (12) respectively with two second belt pulley (14) correspond each other, two first belt pulley (12) respectively with mutual correspondence second belt pulley (14) are connected through belt transmission.
4. The automatic door capable of preventing pinching hands of claim 3, wherein: the surface of the two power shafts (13) is located on the rear side of the second belt pulley (14) and is fixedly connected with a second gear (15), the two second gears (15) are meshed with each other, a servo motor (16) is arranged on the rear side of the device frame (7), and an output shaft of the servo motor (16) is fixedly connected with one second gear (1).
5. The automatic door of claim 1, characterized in that: the outer end surface of the sliding strip (23) is fixedly connected with a soft rubber strip (25) along the length direction.
6. The automatic door capable of preventing pinching hands of claim 1, wherein: the outer surface of the vertical door frame, which is positioned on one side of the first sliding door (3), of the second sliding door (4) is provided with a clamping groove corresponding to and matched with the sliding strip (23) along the length direction of the vertical door frame.
7. The automatic door of claim 4, characterized in that: be located same pivot (10) surface first gear (11) with the axis of first belt pulley (12) all is located same straight line with the axis of this pivot (10), is located same power axle (13) surface second belt pulley (14) with the axis of second gear (15) is located same straight line with the axis of this power axle (13).
8. The automatic door of claim 1, characterized in that: the central axis of the output shaft of the servo motor (16) and the central axis of the second gear (15) fixedly connected with the output shaft of the servo motor (16) are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320627.6A CN115653432A (en) | 2022-10-26 | 2022-10-26 | Automatic door capable of preventing hands from being clamped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320627.6A CN115653432A (en) | 2022-10-26 | 2022-10-26 | Automatic door capable of preventing hands from being clamped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115653432A true CN115653432A (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211320627.6A Pending CN115653432A (en) | 2022-10-26 | 2022-10-26 | Automatic door capable of preventing hands from being clamped |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115653432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117652799A (en) * | 2023-10-23 | 2024-03-08 | 深圳市日联科技有限公司 | Automatic prevent tong drawer door structure and intelligent detection device |
-
2022
- 2022-10-26 CN CN202211320627.6A patent/CN115653432A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117652799A (en) * | 2023-10-23 | 2024-03-08 | 深圳市日联科技有限公司 | Automatic prevent tong drawer door structure and intelligent detection device |
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