CN113867256A - Monitoring system of elevated warehouse safety door - Google Patents
Monitoring system of elevated warehouse safety door Download PDFInfo
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- CN113867256A CN113867256A CN202111276415.8A CN202111276415A CN113867256A CN 113867256 A CN113867256 A CN 113867256A CN 202111276415 A CN202111276415 A CN 202111276415A CN 113867256 A CN113867256 A CN 113867256A
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- light curtain
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- illuminator
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims abstract description 35
- 238000010295 mobile communication Methods 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14005—Alarm
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention provides a monitoring system for an elevated garage safety door, which comprises: the device comprises a first light curtain illuminator, a first light curtain light receiver, a second light curtain illuminator, a second light curtain light receiver and a controller. The first light curtain illuminator and the first light curtain light receiver are correspondingly arranged on the outer side of the elevated garage safety door to form a first light curtain sensing barrier area. The second light curtain illuminator and the second light curtain light receiver are correspondingly arranged on the inner side of the elevated garage safety door to form a second light curtain sensing barrier area. The controller is respectively connected with the first light curtain illuminator, the first light curtain light receiver, the second light curtain illuminator and the second light curtain light receiver through signals. The controller controls the safety door to be opened when people or objects pass through the first light curtain sensing barrier region, controls the safety door to be closed when people or objects pass through the second light curtain sensing barrier region, and reports the prompt of the person passing through the safety door. The invention can reduce the potential safety hazard of the elevated warehouse and improve the control precision and the monitoring level of the safety door.
Description
Technical Field
The invention relates to the technical field of automatic door control, in particular to a monitoring system for an elevated warehouse safety door.
Background
Shuttle, tunnel stacker etc. are as the core equipment in elevated warehouse, and operating speed is fast, the safe risk is high, and in order to prevent personnel, object entering operation region at will, the safety protection of taking is security fence at present, forms equipment and external median, sets up mechanical type emergency exit simultaneously, and operating personnel or repair personnel of being convenient for get into the equipment district and carry out equipment operation or fault maintenance. When handling the emergency fault, the operator or the repair personnel can not reach or forget the operation, and then enter the equipment area from the safety door, which is easy to cause serious damage to the personnel and the equipment. Therefore, the method has important significance on accurately controlling the entrance of the safety door into people or object monitoring.
Disclosure of Invention
The invention provides a monitoring system for an elevated warehouse safety door, which solves the problems that people or objects in the range cannot be accurately identified and the safety risk cannot be effectively blocked by the safety door of the conventional elevated warehouse, can reduce the potential safety hazard of the elevated warehouse, and improves the control precision and the monitoring level of the safety door.
In order to achieve the above purpose, the invention provides the following technical scheme:
a monitoring system for an elevated library security gate comprising: the device comprises a first light curtain illuminator, a first light curtain light receiver, a second light curtain illuminator, a second light curtain light receiver and a controller;
the first light curtain illuminator and the first light curtain light receiver are correspondingly arranged on the outer side of the elevated garage safety door to form a first light curtain sensing barrier area;
the second light curtain illuminator and the second light curtain light receiver are correspondingly arranged on the inner side of the elevated garage safety door to form a second light curtain sensing barrier area;
the controller is respectively in signal connection with the first light curtain illuminator, the first light curtain light receiver, the second light curtain illuminator and the second light curtain light receiver;
the controller controls the safety door to be opened when people or objects pass through the first light curtain sensing barrier region, controls the safety door to be closed when people or objects pass through the second light curtain sensing barrier region, and reports the prompt of the person passing through the safety door.
Preferably, the method further comprises the following steps: a limit switch;
the limit switch is in signal connection with the controller and is arranged on a movable door of the safety door;
and the controller reports equipment shutdown request signals when the limit switch is in contact with a stop block arranged at a limit position.
Preferably, the method further comprises the following steps: a microwave inductor;
the microwave sensor is arranged at the entrance of the safety door, is in signal connection with the controller and is used for detecting the position and the size of a person or an object which enters the safety door in advance;
the controller controls the opening time and the opening degree of the safety door according to the position and the size of people or objects.
Preferably, the method further comprises the following steps: a camera;
the camera with controller signal connection, the camera sets up the inboard at the emergency exit to carry out video acquisition to the emergency exit, the controller carries out image recognition according to the emergency exit video of gathering, passes through the emergency exit with the check whether have people or thing.
Preferably, the method further comprises the following steps: an alarm device;
the alarm device is in signal connection with the controller, and the controller controls the alarm device to give an alarm when people or objects enter the second light curtain sensing barrier area and the operating equipment is not stopped.
Preferably, the method further comprises the following steps: a display screen;
the display screen is in signal connection with the controller and used for displaying acquired safety door video and alarm information in real time.
Preferably, the method further comprises the following steps: a mobile communication module;
the mobile communication module is in signal connection with the controller, and the controller sends alarm information to smart phones of related personnel through the mobile communication module when people or objects enter the second light curtain sensing barrier area and the running equipment is not stopped.
Preferably, the alarm device includes at least any one of the following: indicator light, audible and visual alarm and buzzer.
Preferably, the controller is a PLC controller.
The invention provides a monitoring system of an elevated garage safety door, wherein a light curtain light emitter and a light curtain light receiver are respectively arranged on the inner side and the outer side of the safety door to form a first light curtain sensing barrier area and a second light curtain sensing barrier area, and a controller controls the opening and closing of the safety door according to detection signals of the first light curtain sensing barrier area and the second light curtain sensing barrier area. The problem of the emergency exit of current elevated warehouse can't accurate discernment to people or object in the scope, can not effectively block the safe risk is solved, the potential safety hazard of elevated warehouse can be reduced, the control accuracy and the control level of improvement emergency exit.
Drawings
In order to more clearly describe the specific embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic view of a monitoring system for an elevated library security gate according to the present invention.
Detailed Description
In order to make the technical field of the invention better understand the scheme of the embodiment of the invention, the embodiment of the invention is further described in detail with reference to the drawings and the implementation mode.
The safety door aims at the problems that people or objects are easy to enter the safety door of the current elevated warehouse, automatic identification cannot be realized, and the safety risk cannot be effectively hidden and broken.
The invention provides a monitoring system for an elevated warehouse safety door, which solves the problems that people or objects in the range cannot be accurately identified and the safety risk cannot be effectively blocked by the safety door of the conventional elevated warehouse, can reduce the potential safety hazard of the elevated warehouse, and improves the control precision and the monitoring level of the safety door.
As shown in fig. 1, a monitoring system for an elevated library security gate includes: the device comprises a first light curtain illuminator, a first light curtain light receiver, a second light curtain illuminator, a second light curtain light receiver and a controller. The first light curtain illuminator and the first light curtain light receptor are correspondingly arranged on the outer side of the elevated garage safety door to form a first light curtain induction barrier area. The second light curtain illuminator and the second light curtain light receiver are correspondingly arranged on the inner side of the elevated garage safety door to form a second light curtain induction barrier area. The controller is respectively in signal connection with the first light curtain illuminator, the first light curtain light receiver, the second light curtain illuminator and the second light curtain light receiver. The controller controls the safety door to be opened when people or objects pass through the first light curtain sensing barrier region, controls the safety door to be closed when people or objects pass through the second light curtain sensing barrier region, and reports the prompt of the person passing through the safety door.
Specifically, a light curtain sensor consisting of a light curtain illuminator and a light curtain light receptor forms a protective light curtain through a plurality of parallel infrared rays, and a safety defense line is constructed to detect that people or objects enter a first light curtain induction barrier area. The photoelectric safety protection device belongs to non-contact safety protection, and utilizes an infrared scanning detection technology, so that when a person or an object touches an infrared light curtain, information can be transmitted to a controller, and the control of equipment is realized. The illuminator and the light receiver of the light curtain sensor are composed of a plurality of light-emitting components, the illuminator emits infrared rays, the light receiver receives the infrared rays, and the light axes are formed in a one-to-one correspondence mode. The light emitter and the light receiver are respectively arranged on two sides of the entrance and the exit of the safety door and are positioned in the same plane, a rectangular light curtain protection area is formed by taking the emitter and the receiver as boundaries, and the distance between optical axes and the width of the protection area are set according to the actual situation of a site. The inside of the light curtain sensor is controlled by a singlechip and a microprocessor through digital programs, so that an infrared ray receiving and sending unit forms an infrared ray light curtain warning barrier in a high-speed scanning state, when a person or an object enters a light curtain barrier area, an internal circuit of a light receiver rapidly converts the level, a signal is introduced into a controller to perform information processing, the output end of the controller controls equipment to stop rotating, and when the person or the object leaves the light curtain warning area, the light curtain sensor automatically recovers to be normal, thereby achieving the purpose of safety protection. This system monitors the people or the thing that gets into through first light curtain response barrier district and second light curtain response barrier district, can solve the emergency exit in current elevated warehouse to the unable accurate discernment of people or the object of within range, can not effectively block the problem of safe risk, can reduce the potential safety hazard in elevated warehouse, improves the control accuracy and the control level of emergency exit.
The system further comprises: a limit switch; the limit switch is in signal connection with the controller and is arranged on a movable door of the safety door; and the controller reports equipment shutdown request signals when the limit switch is in contact with a stop block arranged at a limit position.
In practical application, a limit switch is additionally arranged on a safety door of elevated warehouse equipment, the starting and stopping of the equipment are realized through automatic control, and personal safety and equipment safety are guaranteed. The limit switch and the relative movement fixing point are provided with a stop block at the limit position. When the mechanical contact of the limit switch touches the stop block, the connecting rod device of the switch drives the contact to cause the corresponding contact to act, and the signal is introduced to the controller to process information, and the controller controls the action of the executive device to realize the stop or the operation of the equipment.
The system further comprises: a microwave inductor; the microwave inductor is arranged at an entrance of the safety door, is in signal connection with the controller and is used for detecting the position and the size of a person or an object entering the safety door in advance. The controller controls the opening time and the opening degree of the safety door according to the position and the size of people or objects.
In practical application, when the microwave sensor detects that a person enters, the sensing detector collects signals, calculates the position and the size of the person or object and then transmits the position and the size to the controller, and the controller controls the corresponding opening time and the opening degree of the safety door according to the position and the size of the person or object.
The system further comprises: a camera; the camera with controller signal connection, the camera sets up the inboard at the emergency exit to carry out video acquisition to the emergency exit, the controller carries out image recognition according to the emergency exit video of gathering, passes through the emergency exit with the check whether have people or thing.
The system further comprises: an alarm device; the alarm device is in signal connection with the controller, and the controller controls the alarm device to give an alarm when people or objects enter the second light curtain sensing barrier area and the operating equipment is not stopped.
The system further comprises: a display screen; the display screen is in signal connection with the controller and used for displaying acquired safety door video and alarm information in real time.
The system further comprises: a mobile communication module; the mobile communication module is in signal connection with the controller, and the controller sends alarm information to smart phones of related personnel through the mobile communication module when people or objects enter the second light curtain sensing barrier area and the running equipment is not stopped.
Further, the alarm device at least comprises any one of the following components: indicator light, audible and visual alarm and buzzer.
Further, the controller is a PLC controller.
The monitoring system comprises a light curtain illuminator and a light curtain light receiver which are respectively arranged on the inner side and the outer side of the safety door to form a first light curtain sensing barrier area and a second light curtain sensing barrier area, and a controller controls the opening and closing of the safety door according to detection signals of the first light curtain sensing barrier area and the second light curtain sensing barrier area. The problem of the emergency exit of current elevated warehouse can't accurate discernment to people or object in the scope, can not effectively block the safe risk is solved, the potential safety hazard of elevated warehouse can be reduced, the control accuracy and the control level of improvement emergency exit.
The construction, features and functions of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the present invention is not limited to the embodiments shown in the drawings, and all equivalent embodiments modified or modified by the spirit and scope of the present invention should be protected without departing from the spirit of the present invention.
Claims (9)
1. A monitoring system for an elevated library security gate, comprising: the device comprises a first light curtain illuminator, a first light curtain light receiver, a second light curtain illuminator, a second light curtain light receiver and a controller;
the first light curtain illuminator and the first light curtain light receiver are correspondingly arranged on the outer side of the elevated garage safety door to form a first light curtain sensing barrier area;
the second light curtain illuminator and the second light curtain light receiver are correspondingly arranged on the inner side of the elevated garage safety door to form a second light curtain sensing barrier area;
the controller is respectively in signal connection with the first light curtain illuminator, the first light curtain light receiver, the second light curtain illuminator and the second light curtain light receiver;
the controller controls the safety door to be opened when people or objects pass through the first light curtain sensing barrier region, controls the safety door to be closed when people or objects pass through the second light curtain sensing barrier region, and reports the prompt of the person passing through the safety door.
2. The elevated library security gate monitoring system of claim 1, further comprising: a limit switch;
the limit switch is in signal connection with the controller and is arranged on a movable door of the safety door;
and the controller reports equipment shutdown request signals when the limit switch is in contact with a stop block arranged at a limit position.
3. The elevated library security gate monitoring system of claim 2, further comprising: a microwave inductor;
the microwave sensor is arranged at the entrance of the safety door, is in signal connection with the controller and is used for detecting the position and the size of a person or an object which enters the safety door in advance;
the controller controls the opening time and the opening degree of the safety door according to the position and the size of people or objects.
4. The elevated library security gate monitoring system of claim 3, further comprising: a camera;
the camera with controller signal connection, the camera sets up the inboard at the emergency exit to carry out video acquisition to the emergency exit, the controller carries out image recognition according to the emergency exit video of gathering, passes through the emergency exit with the check whether have people or thing.
5. The elevated library security gate monitoring system of claim 4, further comprising: an alarm device;
the alarm device is in signal connection with the controller, and the controller controls the alarm device to give an alarm when people or objects enter the second light curtain sensing barrier area and the operating equipment is not stopped.
6. The elevated library security gate monitoring system of claim 5, further comprising: a display screen;
the display screen is in signal connection with the controller and used for displaying acquired safety door video and alarm information in real time.
7. The elevated library security gate monitoring system of claim 6, further comprising: a mobile communication module;
the mobile communication module is in signal connection with the controller, and the controller sends alarm information to smart phones of related personnel through the mobile communication module when people or objects enter the second light curtain sensing barrier area and the running equipment is not stopped.
8. The elevated library security gate monitoring system of claim 7, wherein the alarm device comprises at least any one of: indicator light, audible and visual alarm and buzzer.
9. The elevated library security gate monitoring system of any one of claims 1 to 8, wherein the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276415.8A CN113867256A (en) | 2021-10-29 | 2021-10-29 | Monitoring system of elevated warehouse safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276415.8A CN113867256A (en) | 2021-10-29 | 2021-10-29 | Monitoring system of elevated warehouse safety door |
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| Publication Number | Publication Date |
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| CN113867256A true CN113867256A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111276415.8A Pending CN113867256A (en) | 2021-10-29 | 2021-10-29 | Monitoring system of elevated warehouse safety door |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948063A (en) * | 2015-06-30 | 2015-09-30 | 青岛文创科技有限公司 | Intelligent door control method |
| CN108756570A (en) * | 2018-05-28 | 2018-11-06 | 河南华洋发动机制造有限公司 | The safe controlling device for doors in automatic assembly line processing district |
| CN208833926U (en) * | 2018-11-19 | 2019-05-07 | 红云红河烟草(集团)有限责任公司会泽卷烟厂 | A kind of shuttle operating area laser array safety detecting system |
| CN111759214A (en) * | 2020-03-19 | 2020-10-13 | 广东蓝水花智能电子有限公司 | Automatic door opening and closing control method |
| CN112631230A (en) * | 2020-12-29 | 2021-04-09 | 华中科技大学无锡研究院 | Automatic safety prevention and control system for production |
| CN215987003U (en) * | 2021-10-29 | 2022-03-08 | 红云红河烟草(集团)有限责任公司 | Monitoring system of elevated warehouse safety door |
-
2021
- 2021-10-29 CN CN202111276415.8A patent/CN113867256A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948063A (en) * | 2015-06-30 | 2015-09-30 | 青岛文创科技有限公司 | Intelligent door control method |
| CN108756570A (en) * | 2018-05-28 | 2018-11-06 | 河南华洋发动机制造有限公司 | The safe controlling device for doors in automatic assembly line processing district |
| CN208833926U (en) * | 2018-11-19 | 2019-05-07 | 红云红河烟草(集团)有限责任公司会泽卷烟厂 | A kind of shuttle operating area laser array safety detecting system |
| CN111759214A (en) * | 2020-03-19 | 2020-10-13 | 广东蓝水花智能电子有限公司 | Automatic door opening and closing control method |
| CN112631230A (en) * | 2020-12-29 | 2021-04-09 | 华中科技大学无锡研究院 | Automatic safety prevention and control system for production |
| CN215987003U (en) * | 2021-10-29 | 2022-03-08 | 红云红河烟草(集团)有限责任公司 | Monitoring system of elevated warehouse safety door |
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