CN115522838A - Production area anti-intrusion automatic start-stop induction door - Google Patents
Production area anti-intrusion automatic start-stop induction door Download PDFInfo
- Publication number
- CN115522838A CN115522838A CN202211216549.5A CN202211216549A CN115522838A CN 115522838 A CN115522838 A CN 115522838A CN 202211216549 A CN202211216549 A CN 202211216549A CN 115522838 A CN115522838 A CN 115522838A
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- Prior art keywords
- induction door
- automatic start
- production area
- seat
- stop
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000006698 induction Effects 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 4
- 210000000056 organ Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 101100408455 Arabidopsis thaliana PLC7 gene Proteins 0.000 description 8
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B45/00—Alarm locks
- E05B45/06—Electric alarm locks
- E05B45/061—Electric alarm locks for combination locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/11—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for industrial buildings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an anti-intrusion automatic start-stop induction door for a production area, relates to the technical field of induction doors, and aims to solve the problems that most doors in the existing factory are manually operated, cannot realize the automatic start-stop function, cannot prevent non-workers from entering, cannot stop the movement of a robot when the door is opened, cannot ensure the life safety of workers, and is poor in use effect. The automatic opening and closing door is reasonable in design, can realize the automatic opening and closing function, can prevent non-workers from entering, can stop the robot from moving when the door is opened, ensures the life safety of the workers and has a good using effect.
Description
Technical Field
The invention relates to the technical field of induction doors, in particular to an anti-intrusion automatic start-stop induction door for a production area.
Background
Along with the rise of economy and the development of science and technology, a large number of semi-automatic machines and even full-automatic robots are used in a large number of domestic factories, the robots are used for replacing workers, so that the production efficiency is improved, the production cost is reduced, and the advantage that the robots replace the workers is more obvious in dangerous work. In the process of robot operation, the movable track of robot belongs to the area of comparing danger, so will plan the work area for the robot in the workshop, prevent that the staff from getting into by the accidental injury, in order to guarantee staff's safety, so need an urgent need a production area prevent invading automatic start-stop induction door.
However, most of doors in the factory are manually operated at present, the automatic opening and closing function cannot be realized, non-workers cannot be prevented from entering the doors, the robot cannot stop moving when the doors are opened, the life safety of the workers cannot be guaranteed, and the using effect is poor.
Disclosure of Invention
The invention aims to solve the defects that most doors in a factory are manually operated at present, the automatic opening and closing function cannot be realized, non-workers cannot be prevented from entering the doors, the robot cannot stop moving when the doors are opened, the life safety of the workers cannot be ensured, and the using effect is poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-intrusion automatic start-stop induction door for a production area comprises a first supporting seat and a second supporting seat, wherein mounting frames are fixedly welded on the first supporting seat and the second supporting seat respectively, the four corresponding mounting frames are provided with the same observation glass through bolts, the two second supporting seats are fixedly welded with the same fixing seat, and an alarm lamp, a programmable PLC (programmable logic controller), a control panel, a coded lock and a buzzer are fixedly arranged on the second supporting seat on one side;
slide in the fixing base and be provided with two induction doors, two induction door looks adaptation, two equal fixed mounting has the motor on the motor, two equal fixed mounting has the gear on the output shaft of motor, the equal fixed welding in top side of two induction doors has the positioning seat, the positioning seat with the fixing base slides and sets up, the top side fixed welding of positioning seat has the rack, the gear is with corresponding the rack meshes mutually, second supporting seat and corresponding fixed welding has same U type seat on the first supporting seat, the induction door slides and sets up correspondingly in the U type seat.
In a preferred embodiment, a motor bracket is fixedly welded to the second support seat, and the motor bracket are fixedly arranged.
In a preferred embodiment, a stabilizing seat is fixedly mounted on the bottom side of the first supporting seat and the bottom side of the second supporting seat.
In a preferred embodiment, a motor switch is arranged on the control panel, the output end of the coded lock and the output end of the control panel are connected with the input end of the programmable PLC, the input end of the programmable PLC is connected with the output end of the power supply module, and the output end of the programmable PLC is connected with the input end of the motor, the input end of the buzzer, the input end of the alarm lamp and the input end of the robot pause switch.
In a preferred embodiment, a plurality of transverse shafts are fixedly mounted on the inner wall of the U-shaped seat, a guide roller is rotatably sleeved on each of the plurality of transverse shafts, and the bottom side of the induction door is in contact with the guide roller.
In a preferred embodiment, the combination lock is used for starting the opening of the induction door, and the control panel is used for controlling the closing of the induction door.
In a preferred embodiment, the alarm light is used for emitting a flashing light, and the buzzer is used for emitting an alarm.
In a preferred embodiment, the robot pause switch is used to control the robot to pause the movement.
According to the anti-intrusion automatic start-stop induction door for the production area, when a robot working area needs to be entered, a password is input through a password lock, a Programmable Logic Controller (PLC) controls two motors to rotate when the password is correct, output shafts of the two motors rotate in opposite directions, gears and racks are meshed to drive the two induction doors to be away from each other, the programmable PLC controls a robot pause switch, the robot pauses to move at the moment, a worker can enter a corresponding position to work, the worker touches a control panel to start a motor switch after coming out of the robot working area, the gears and the racks are meshed to drive the two induction doors to be close to each other, and the programmable PLC controls the robot to pause to start and stop the robot to continue working at the moment;
according to the production area anti-intrusion automatic start-stop induction door, when non-workers try to enter a robot working area, the non-workers can enter the production area only by inputting correct passwords through the password lock, and if the number of wrong password inputs reaches three times, the programmable PLC starts the buzzer and the alarm lamp for one minute, so that the workers can check the condition through alarms sent by the buzzer and the alarm lamp;
the automatic opening and closing door is reasonable in design, can realize the automatic opening and closing function, can prevent non-workers from entering, can stop the robot from moving when the door is opened, ensures the life safety of the workers and has a good using effect.
Drawings
Fig. 1 is a schematic perspective view of an anti-intrusion automatic start-stop induction door for a production area according to the present invention;
FIG. 2 is a schematic perspective view of an anti-intrusion automatic start-stop induction door for a production area according to the present invention;
FIG. 3 is a schematic structural diagram of part A of an anti-intrusion automatic start-stop induction door for a production area according to the present invention;
FIG. 4 is a schematic view of a system for preventing intrusion into a production area and automatically starting and stopping an induction door according to the present invention;
FIG. 5 is a side view of a U-shaped seat of an anti-intrusion automatic start-stop induction door for a production area according to the present invention;
fig. 6 is a schematic circuit diagram of a programmable PLC of an anti-intrusion automatic start-stop induction door for a production area according to the present invention.
In the figure: 1. a first support base; 2. a second support seat; 3. a mounting frame; 4. observing glass; 5. a fixed seat; 6. an alarm light; 7. a programmable PLC; 8. a control panel; 9. a coded lock; 10. an induction door; 11. a motor; 12. a gear; 13. positioning seats; 14. a rack; 15. a U-shaped seat; 16. a buzzer; 17. a robot pause switch; 18. a guide roller; 19. and a power supply module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, this scheme provides one embodiment: an anti-intrusion automatic start-stop induction door for a production area comprises a first supporting seat 1 and a second supporting seat 2, wherein mounting frames 3 are fixedly welded on the first supporting seat 1 and the second supporting seat 2, the same observation glass 4 is installed on the corresponding four mounting frames 3 through bolts, the same fixing seat 5 is fixedly welded on the two second supporting seats 2, and an alarm lamp 6, a programmable PLC7, a control panel 8, a coded lock 9 and a buzzer 16 are fixedly installed on the second supporting seat 2 on one side;
slide in the fixing base 5 and be provided with two induction door 10, 10 looks adaptations of two induction doors, equal fixed mounting has motor 11 on two motor 11, equal fixed mounting has gear 12 on two motor 11's the output shaft, the equal fixed welding in top side of two induction door 10 has positioning seat 13, positioning seat 13 slides with fixing base 5 and sets up, the fixed welding in top side of positioning seat 13 has rack 14, gear 12 meshes with corresponding rack 14 mutually, fixed welding has same U type seat 15 on second supporting seat 2 and the corresponding first supporting seat 1, induction door 10 slides and sets up in corresponding U type seat 15.
The programmable PLC is of type NX7-28ADT, which is an electronic device designed specifically for digital arithmetic operations for use in an industrial environment. It adopts programmable memory for storing instructions for executing logical operation, sequential operation, timing, counting and arithmetic operation, and can control various types of machinery or production process by digital or analog input and output;
the motor 10 is a servo motor with a brake;
referring to fig. 1, in the embodiment, stabilizing seats are fixedly installed on the bottom sides of the first supporting seat 1 and the second supporting seat 2, so that the first supporting seat 1 and the second supporting seat 2 are more stable.
Referring to fig. 3, in this embodiment, a motor bracket is fixedly welded to the second support seat 2, and the motor 11 and the motor bracket are fixedly arranged, so that the motor 11 operates more stably.
Referring to fig. 4, in this embodiment, a motor switch is disposed on the control panel 8, an output end of the combination lock 9 and an output end of the control panel 8 are both connected to an input end of the programmable PLC7, an input end of the programmable PLC7 is connected to an output end of the power supply module 19, and an output end of the programmable PLC7 is connected to an input end of the motor 11, an input end of the buzzer 16, an input end of the alarm lamp 6, and an input end of the robot pause switch 17.
Referring to fig. 5, in this embodiment, a plurality of horizontal shafts are fixedly installed on the inner wall of the U-shaped seat 15, a guide roller 18 is rotatably sleeved on each of the plurality of horizontal shafts, and the bottom side of the induction door 10 contacts with the guide roller 18, so as to reduce the friction force generated when the induction door 10 moves.
In this embodiment, the combination lock 9 is used to start the opening of the induction door 10, and the control panel 8 is used to control the closing of the induction door 10.
In this embodiment, the warning lamp 6 is used to emit a flashing light, and the buzzer 16 is used to emit a warning.
In this embodiment, the robot pause switch 17 is used to control the robot to pause the movement.
The working principle is that the power supply module 19 supplies power for the robot control system, when the robot control system needs to enter a robot working area, firstly, a password is input through the password lock 9, the programmable PLC7 controls the two motors 11 to rotate when the password is correct, the output shafts of the two motors 11 rotate in opposite directions, the gear 12 and the rack 14 are meshed to drive the two induction doors 10 to be away from each other, the programmable PLC7 controls the robot pause switch 17, the robot pauses to move at the moment, a worker can enter a corresponding position to work, the worker touches the control panel 8 to start the motor switch after coming out of the robot working area, the gear 12 and the rack 14 are meshed to drive the two induction doors 10 to be close to each other, and the programmable PLC7 controls the robot pause switch 17 to continue to work; when non-working personnel try to enter a working area of the robot, the robot can enter the working area only by inputting correct passwords through the password lock 9, if the number of password input errors reaches three times, the programmable PLC7 starts the buzzer 16 and the alarm lamp 6 for one minute, and the working personnel can check the conditions through alarms sent by the buzzer 16 and the alarm lamp 6.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a production area prevents invading automatic start-stop induction door which characterized in that includes:
the device comprises a first supporting seat (1) and second supporting seats (2), wherein mounting frames (3) are fixedly welded on the first supporting seat (1) and the second supporting seats (2), the four corresponding mounting frames (3) are provided with the same observation glass (4) through bolts, the two second supporting seats (2) are fixedly welded with the same fixing seat (5), and the second supporting seat (2) on one side is fixedly provided with an alarm lamp (6), a programmable PLC (7), a control panel (8), a coded lock (9) and a buzzer (16);
slide in fixing base (5) and be provided with two induction door (10), two induction door (10) looks adaptation, two equal fixed mounting has motor (11), two on motor (11) equal fixed mounting has gear (12) on the output shaft of motor (11), the equal fixed welding in top side of two induction door (10) has positioning seat (13), positioning seat (13) with fixing base (5) slide the setting, the top side fixed welding of positioning seat (13) has rack (14), gear (12) and corresponding rack (14) mesh mutually, second supporting seat (2) and corresponding fixed welding has same U type seat (15) on first supporting seat (1), induction door (10) slide and set up corresponding in U type seat (15).
2. A production area intrusion prevention automatic start-stop induction door according to claim 1, characterized in that: the second supporting seat (2) is fixedly welded with a motor support, and the motor (11) is fixedly arranged with the motor support.
3. A production area intrusion prevention automatic start-stop induction door according to claim 1, characterized in that: and stabilizing seats are fixedly arranged on the bottom sides of the first supporting seat (1) and the second supporting seat (2).
4. A production area intrusion prevention automatic start-stop induction door according to claim 1, characterized in that: be equipped with motor switch on control panel (8), the output of trick lock (9) and the output of control panel (8) all with the input of PLC (7) able to programme is connected, the input of PLC (7) able to programme is connected with the output of power module (19), the output of PLC (7) able to programme with the input of motor (11), the input of bee calling organ (16), the input of warning light (6) and the input of robot pause switch (17) are connected.
5. A production area intrusion prevention automatic start-stop induction door according to claim 1, characterized in that: a plurality of transverse shafts are fixedly mounted on the inner wall of the U-shaped seat (15) and are sleeved with guide rollers (18) in a rotating mode, and the bottom side of the induction door (10) is in contact with the guide rollers (18).
6. A production area anti-intrusion automatic start-stop induction door according to claim 4, characterized in that: the coded lock (9) is used for starting the opening of the induction door (10), and the control panel (8) is used for controlling the closing of the induction door (10).
7. A production area anti-intrusion automatic start-stop induction door according to claim 4, characterized in that: the alarm lamp (6) is used for emitting flashing light, and the buzzer (16) is used for emitting an alarm.
8. A production area anti-intrusion automatic start-stop induction door according to claim 4, characterized in that: the robot pause switch (17) is used for controlling the robot to pause movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216549.5A CN115522838A (en) | 2022-09-30 | 2022-09-30 | Production area anti-intrusion automatic start-stop induction door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216549.5A CN115522838A (en) | 2022-09-30 | 2022-09-30 | Production area anti-intrusion automatic start-stop induction door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115522838A true CN115522838A (en) | 2022-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211216549.5A Pending CN115522838A (en) | 2022-09-30 | 2022-09-30 | Production area anti-intrusion automatic start-stop induction door |
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| CN (1) | CN115522838A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386398A (en) * | 1980-03-28 | 1983-05-31 | Hitachi, Ltd. | Automatic door control apparatus |
| CN209398208U (en) * | 2018-11-12 | 2019-09-17 | 张彦伟 | A kind of device of electric sliding door of construction site automatic sensing |
| KR102044100B1 (en) * | 2018-07-25 | 2019-11-13 | 최기찬 | Integrated automatic door assembly |
| CN209931939U (en) * | 2019-02-22 | 2020-01-14 | 长春市慧营科技有限公司 | A secret type filing cabinet for real estate survey and drawing file management |
| CN110778238A (en) * | 2019-09-25 | 2020-02-11 | 奇点物联网股份有限公司 | Be used for construction maintenance to decorate door shield |
| CN111963027A (en) * | 2020-08-25 | 2020-11-20 | 尹立彬 | A stealthy door of response for intelligent house |
| CN212898098U (en) * | 2020-06-08 | 2021-04-06 | 广东君鼎门窗实业有限公司 | Automatic weather-proof intelligent door and window |
| CN213024667U (en) * | 2020-08-17 | 2021-04-20 | 茹丽娜 | Intelligent door with anti-theft alarm function |
| CN214616042U (en) * | 2020-11-16 | 2021-11-05 | 深圳大学 | Manual access door with automatic opening function |
| CN215169504U (en) * | 2021-06-04 | 2021-12-14 | 东莞海皓净化科技有限公司 | Automatic double door that prevents pressing from both sides is given sound insulation in medical fire prevention |
| CN215485504U (en) * | 2021-02-06 | 2022-01-11 | 陈林 | Multifunctional induction door |
| CN215565633U (en) * | 2021-08-02 | 2022-01-18 | 福建省艾多点科技有限公司 | Multifunctional entrance guard device |
| CN215714834U (en) * | 2021-09-02 | 2022-02-01 | 深圳市顺拓科技有限公司 | Intelligent ESD wing gate based on cloud virtual network |
| US20220307297A1 (en) * | 2021-03-25 | 2022-09-29 | Fuji Electric Co., Ltd. | Control apparatus and control method |
-
2022
- 2022-09-30 CN CN202211216549.5A patent/CN115522838A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386398A (en) * | 1980-03-28 | 1983-05-31 | Hitachi, Ltd. | Automatic door control apparatus |
| KR102044100B1 (en) * | 2018-07-25 | 2019-11-13 | 최기찬 | Integrated automatic door assembly |
| CN209398208U (en) * | 2018-11-12 | 2019-09-17 | 张彦伟 | A kind of device of electric sliding door of construction site automatic sensing |
| CN209931939U (en) * | 2019-02-22 | 2020-01-14 | 长春市慧营科技有限公司 | A secret type filing cabinet for real estate survey and drawing file management |
| CN110778238A (en) * | 2019-09-25 | 2020-02-11 | 奇点物联网股份有限公司 | Be used for construction maintenance to decorate door shield |
| CN212898098U (en) * | 2020-06-08 | 2021-04-06 | 广东君鼎门窗实业有限公司 | Automatic weather-proof intelligent door and window |
| CN213024667U (en) * | 2020-08-17 | 2021-04-20 | 茹丽娜 | Intelligent door with anti-theft alarm function |
| CN111963027A (en) * | 2020-08-25 | 2020-11-20 | 尹立彬 | A stealthy door of response for intelligent house |
| CN214616042U (en) * | 2020-11-16 | 2021-11-05 | 深圳大学 | Manual access door with automatic opening function |
| CN215485504U (en) * | 2021-02-06 | 2022-01-11 | 陈林 | Multifunctional induction door |
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| CN215169504U (en) * | 2021-06-04 | 2021-12-14 | 东莞海皓净化科技有限公司 | Automatic double door that prevents pressing from both sides is given sound insulation in medical fire prevention |
| CN215565633U (en) * | 2021-08-02 | 2022-01-18 | 福建省艾多点科技有限公司 | Multifunctional entrance guard device |
| CN215714834U (en) * | 2021-09-02 | 2022-02-01 | 深圳市顺拓科技有限公司 | Intelligent ESD wing gate based on cloud virtual network |
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