CN109658652B - Three-dimensional protection system for railway station platform - Google Patents
Three-dimensional protection system for railway station platform Download PDFInfo
- Publication number
- CN109658652B CN109658652B CN201811563642.7A CN201811563642A CN109658652B CN 109658652 B CN109658652 B CN 109658652B CN 201811563642 A CN201811563642 A CN 201811563642A CN 109658652 B CN109658652 B CN 109658652B
- Authority
- CN
- China
- Prior art keywords
- protection device
- signal
- control device
- station
- sending
- Prior art date
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 21
- 230000002265 prevention Effects 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
- G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to the technical field of rail transit, and discloses a railway station platform three-dimensional protection system, which comprises: the device consists of a physical protection device, an optical protection device, a perimeter intrusion protection device, a space intrusion protection device, a control device and an alarm device. The railway station platform three-dimensional protection system can effectively overcome the defect of safety protection of the conventional railway station platform, realizes three-dimensional and space closed protection of the platform and full isolation of a platform area and a rail running area, improves the safety of waiting at the platform and realizes waiting at the station platform.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a railway station platform three-dimensional protection system.
Background
With the development of high-speed rail, intercity railway and urban rail traffic towards high flow and public traffic, the running speed of the train is continuously improved, the running tracking interval is continuously encrypted, the minimum departure interval is gradually shortened, and higher requirements are provided for the platform waiting environment. Too many safety accidents are generated in the actual operation.
The utilization of the passing capacity and the safety guarantee capacity of part of high-speed railway passenger stations is close to saturation increasingly due to the increase of the railway traffic volume and the passenger flow volume in China, and the platform safety protection is urgent in the face of the current situations that the passenger traffic pressure is large day by day and the potential of high-frequency train transportation faces a bottleneck.
Disclosure of Invention
The invention provides a three-dimensional protection system for a railway station platform, which solves the problems of single safety protection and potential safety hazard of a train platform in the prior art.
The invention relates to a railway station platform three-dimensional protection system, which comprises: the system comprises a physical protection device, an optical protection device, a perimeter intrusion protection device, a space intrusion protection device, a control device and an alarm device;
the physical protection device is connected with the control device and is used for protecting the edge area of the station, sending the state information of the opening or closing of the physical protection device to the control device and receiving an opening signal or a closing signal sent by the control device;
the optical protection device is connected with the control device and used for monitoring an area above the physical protection device and sending a monitored induction signal to the control device;
the perimeter intrusion prevention device is connected with the control device and used for monitoring the area around the station platform and sending the monitored perimeter intrusion signal to the control device;
the space intrusion prevention device is connected with the control device and is used for monitoring an area between two platforms of a station and sending a monitored air intrusion signal to the control device;
the control device is connected with the alarm device and is used for triggering the alarm device to alarm when receiving the induction signal, the perimeter intrusion signal or the air intrusion signal, sending an alarm to a station control system and stopping the current alarm protection device; the optical protection device is also used for receiving train in-station and out-station signals sent by the station control system, sending an opening signal to the physical protection device after the train enters the station, controlling the optical protection device to stop monitoring, sending a closing signal to the physical protection device after the train leaves the station, and starting the optical protection device.
The physical protection device is a platform door or an isolation protection device at the edge of a platform of a station, and electric control doors capable of being opened and closed are arranged at intervals of a preset distance and connected with the control device.
Wherein the optical protection device comprises: the system comprises a target monitoring module, a target identification module and a signal receiving module;
the target monitoring module is connected with the target identification module and is used for sending the monitored induction signal to the target identification module;
the target identification module is connected with the signal receiving module and used for identifying the induction signal and sending an identification result to the signal receiving module;
and the signal receiving module is used for sending the identification result to the control device.
Wherein, the perimeter intrusion prevention device is a pulse electronic fence.
The space intrusion protection device is an infrared microwave dual-technology detector.
Wherein, the physical protection device, the optical protection device, the perimeter intrusion protection device and the space intrusion protection device are respectively connected with the control device by wires.
The three-dimensional protection system for the railway station platform realizes three-dimensional and space-based closed protection of the platform and full isolation of a platform area and a rail running area, and improves the safety of waiting at the platform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a railway station platform three-dimensional protection system according to the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When a high-speed train passes through, the train wind brings great harm, strong coupling vibration characteristics can be generated, and safety to platform personnel and articles can be ensured. Through the line test, the security domain of the expressway railway passenger station is established from analysis of the influence factors of the station platform waiting security operation, and the railway station platform three-dimensional protection system of the embodiment protects the security domain.
As shown in fig. 1, the three-dimensional protection system for railway station platform of the present embodiment includes: physical protection device 1, optical protection device 2, perimeter intrusion protection device 3, space intrusion protection device 4, control device 5 and alarm device 6.
The physical protection device 1 is connected with the control device 5, and is used for protecting the edge area of the station, sending a signal for opening or closing the physical protection device 1 to the control device 5, and receiving an opening signal or a closing signal sent by the control device 5.
The optical protection device 2 is connected with the control device 5 and used for monitoring the area above the physical protection device 1 and sending the monitored sensing signal to the control device 5.
The perimeter intrusion prevention device 3 is connected with the control device 5, and is used for monitoring the area around the station platform (mainly used for the end part of the platform), and sending the monitored perimeter intrusion signal to the control device 5.
The space intrusion prevention device 4 is connected with the control device 5 and used for monitoring an aerial area between two platforms of a station and sending a monitored aerial intrusion signal to the control device 5.
The control device 5 is connected with the alarm device 6 and used for triggering the alarm device to give an alarm when receiving the induction signal, the perimeter intrusion signal or the air intrusion signal, sending the alarm to the station control system and stopping the protection device giving the alarm at present, because the station control system can process the alarm to the corresponding protection area by corresponding staff after receiving the alarm, the repeated alarm is avoided, and after the process is finished, the station control system sends a command for starting the related protection device to the control device so as to start the related protection device.
The control device 5 is also used for receiving train in-station and out-station signals sent by the station control system, and sending an opening signal to the physical protection device 1 after the train is in the station, so that the platform is communicated with a train carriage door, the optical protection device 2 is controlled to stop monitoring, passengers are prevented from sending an alarm when getting on the train, a closing signal is sent to the physical protection device 1 after the train is out of the station, and the optical protection device 2 is started.
The three-dimensional protection system for the railway station platform realizes three-dimensional and spatial closed protection of the platform and full isolation of the platform area and the rail running area, and improves the safety of waiting at the platform.
In this embodiment, the physical protection device 1 is a partition wall at the edge of a station platform, and the partition wall is provided with an electric control door at a predetermined distance (distance between train doors) and is similar to the partition wall on a subway platform, and the electric control door is connected with the control device 5. On the basis of the determined security domain, the physical protection of the bottom layer is performed to form a partition wall with the height of 1.5 meters, the platform side is provided with a platform body which adopts an entity design and is vertical to the vertical surface, and no platform extension and gap for climbing are available; the bottom entity protects at the platform edge, has replaced the effect of yellow safety line, has formed a confined area on the platform together with the equipment room or the railing of platform end for the passenger who waits in this area has had the guarantee of safety, and not only the passenger has formed a safety guarantee psychologically, has avoided producing the risk factor under the crowded circumstances of getting on or off the bus in peak period in addition.
In this embodiment, the optical protection device 2 is disposed above the physical protection device 1, and includes: the device comprises a target monitoring module, a target identification module and a signal receiving module. The target monitoring module is connected with the target identification module and is used for sending a monitored target signal to the target identification module; the target identification module is connected with the signal receiving module and used for identifying a target signal and sending an identification result to the signal receiving module; and the signal receiving module is used for sending the identification result to the control device 5. The target monitoring module is an infrared sensor (a thermal detector), a laser radar or a monitoring device communicated by other principles and used for monitoring whether a person climbs over or climbs the partition wall. Specifically, after the target monitoring module preprocesses, extracts and classifies the collected information of the invading foreign body, the processed information is transmitted to the automatic identification module, and the target identification module automatically identifies the processed information and outputs the identification result to the signal receiving module. The recognition result may be an image. For example: when a person climbs over or climbs the partition wall, the heat detector detects that the heat of the human body is different from the heat of the surroundings, the heat signal of the human body is extracted from the heat signal of the surroundings and transmitted to the processor of the heat detector, and the processor of the heat detector identifies the heat signal of the human body according to the imaging contour of the heat of the human body and the imaging contour of the heat of the surroundings and generates and outputs the form of an image.
In this embodiment, the perimeter intrusion prevention device is a pulsed electronic fence or other principle-communicating fence. Two pairs of infrared correlation detectors or other protective fences communicated on the principle are adopted at the end part of the platform, and an upper part and a lower part are respectively paired to form a pulse electronic fence, so that the safety protection on the vertical surface of the perimeter is realized. Therefore, the method has certain deterrence force and is not easy to make false alarm. In addition, for an important transformer substation with an old enclosure wall with a brick-concrete structure, a wall body vibration anti-theft alarm device is installed. After alarming, the audible and visual alarm, the camera, the illuminating lamp and the like are started.
In this embodiment, the space intrusion prevention device is an infrared and microwave dual-technology detector or a control and measurement device communicating with each other according to other principles. In order to improve the safety of building structures, most of the current platforms only adopt a pillar canopy, the canopy only blocks one platform area, the space between the two platforms is not blocked, and in order to prevent foreign matters (such as birds, people or other animals) in the space from intruding, an infrared microwave dual-technology detector or other control and measurement devices communicated by the principle are arranged at an opening of a building of the platform, so that the safety protection of the space area is realized. Each dual technology detector can detect human or animals in a space area of 11 meters multiplied by 2.5 meters.
In order to meet the requirements of equipment stability, reliability and electromagnetic wave interference resistance and avoid mutual interference between signals of all devices and signals of a train system, in the embodiment, the physical protection device, the optical protection device, the perimeter intrusion protection device and the space intrusion protection device are respectively in wired connection with the control device.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a three-dimensional protection system of railway station platform which characterized in that includes: the system comprises a physical protection device, an optical protection device, a perimeter intrusion protection device, a space intrusion protection device, a control device and an alarm device;
the physical protection device is connected with the control device and is used for protecting the edge area of the station, sending the state information of the opening or closing of the physical protection device to the control device and receiving an opening signal or a closing signal sent by the control device;
the optical protection device is connected with the control device and used for monitoring an area above the physical protection device and sending a monitored induction signal to the control device;
the perimeter intrusion prevention device is connected with the control device and used for monitoring the area around the station platform and sending the monitored perimeter intrusion signal to the control device;
the space intrusion prevention device is connected with the control device and is used for monitoring an area between two platforms of a station and sending a monitored air intrusion signal to the control device;
the control device is connected with the alarm device and is used for triggering the alarm device to alarm when receiving the induction signal, the perimeter intrusion signal or the air intrusion signal, sending an alarm to a station control system and stopping the current alarm protection device; the system is also used for receiving train in-station and out-station signals sent by a station control system, sending an opening signal to the physical protection device after the train enters the station, controlling the optical protection device to stop monitoring, sending a closing signal to the physical protection device after the train exits the station, and starting the optical protection device;
wherein the perimeter intrusion prevention device is a pulse electronic fence; two pairs of infrared correlation detectors or other protective fences communicated on the principle are adopted at the end part of the platform, and an upper part and a lower part are respectively paired to form a pulse electronic fence, so that the safety protection on the vertical surface of the perimeter is realized.
2. The railway station platform three-dimensional protection system as claimed in claim 1, wherein the physical protection device is a station platform door or an isolation protection device at the edge of the station platform, and is provided with an electrically controlled door which can be opened and closed at a predetermined distance, and the electrically controlled door is connected with the control device.
3. The railway station platform stereoscopic protection system as claimed in claim 1, wherein the optical protection device comprises: the system comprises a target monitoring module, a target identification module and a signal receiving module;
the target monitoring module is connected with the target identification module and is used for sending the monitored induction signal to the target identification module;
the target identification module is connected with the signal receiving module and used for identifying the induction signal and sending an identification result to the signal receiving module;
and the signal receiving module is used for sending the identification result to the control device.
4. The railway station platform stereoscopic protection system as claimed in claim 1, wherein the space intrusion prevention device is an infrared microwave dual technology detector.
5. The railway station platform stereoscopic protection system as claimed in any one of claims 1 to 4, wherein the physical protection device, the optical protection device, the perimeter intrusion protection device and the spatial intrusion protection device are respectively in line connection with the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563642.7A CN109658652B (en) | 2018-12-20 | 2018-12-20 | Three-dimensional protection system for railway station platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563642.7A CN109658652B (en) | 2018-12-20 | 2018-12-20 | Three-dimensional protection system for railway station platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109658652A CN109658652A (en) | 2019-04-19 |
| CN109658652B true CN109658652B (en) | 2021-09-14 |
Family
ID=66115452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811563642.7A Active CN109658652B (en) | 2018-12-20 | 2018-12-20 | Three-dimensional protection system for railway station platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109658652B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110084987A (en) * | 2019-04-29 | 2019-08-02 | 复钧智能科技(苏州)有限公司 | A kind of foreign matter inspecting system and method towards rail traffic |
| CN110263623B (en) * | 2019-05-07 | 2024-05-28 | 平安科技（深圳）有限公司 | Train climbing monitoring method, device, terminal and storage medium |
| CN110927731B (en) * | 2019-11-15 | 2021-12-17 | 深圳市镭神智能***有限公司 | Three-dimensional protection method, three-dimensional detection device and computer readable storage medium |
| CN111038551A (en) * | 2019-12-04 | 2020-04-21 | 南京信息职业技术学院 | Reminding device for starting emergency brake button of high-speed rail |
| CN111601071A (en) * | 2020-04-01 | 2020-08-28 | 上海申铁信息工程有限公司 | Method and device for linkage of railway station platform protection system and video monitoring system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327759A (en) * | 2016-10-10 | 2017-01-11 | 国网新疆电力公司经济技术研究院 | Invasion preventive intelligent safety protection system deployed in unattended transformer substation |
| CN106627600A (en) * | 2016-12-14 | 2017-05-10 | 中国铁道科学研究院电子计算技术研究所 | Platform safety protection system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999002387A1 (en) * | 1997-07-11 | 1999-01-21 | Victor Lopez Tato | Security fence installation intended to avoid falling from the platform to a railway |
| CN102529981B (en) * | 2010-12-14 | 2016-03-30 | 上海嘉成轨道交通安全保障***有限公司 | Rail transit platform screen door/safety door security protection system |
| CN201970997U (en) * | 2010-12-14 | 2011-09-14 | 上海嘉成轨道交通安全保障***有限公司 | Rail transit platform screen door or safety door safety protection system |
| CN102431579A (en) * | 2011-10-17 | 2012-05-02 | 济南三鼎电气有限责任公司 | Intelligent monitoring management system for railway crossing |
| DE202012101250U1 (en) * | 2012-04-05 | 2013-07-09 | Sick Ag | Safety system for the safe monitoring of a level crossing |
| CN205769274U (en) * | 2016-03-09 | 2016-12-07 | 吴远东 | A kind of rail traffic platform guard system |
| CN106864463B (en) * | 2017-01-26 | 2020-03-17 | 广州地铁设计研究院股份有限公司 | Overhead foreign matter detection system between subway platform door and door |
| CN107246204A (en) * | 2017-05-23 | 2017-10-13 | 中铁第四勘察设计院集团有限公司 | A kind of high-speed railway gate enabling control system and method |
| CN207157237U (en) * | 2017-07-13 | 2018-03-30 | 北京航天易联科技发展有限公司 | A kind of anti-prior-warning device that crosses the border of railroad platform |
| CN207902455U (en) * | 2018-01-31 | 2018-09-25 | 中国铁路设计集团有限公司 | Yard circuit O＆M safe and intelligent early warning system under the conditions of a kind of station reconstruction |
| CN108490447B (en) * | 2018-03-21 | 2020-10-16 | 交控科技股份有限公司 | Anti-pinch system and method for platform door and train |
| CN108372861B (en) * | 2018-04-16 | 2024-03-22 | 北京瑞途科技有限公司 | Foreign matter detection device based on laser or infrared detection scanning |
-
2018
- 2018-12-20 CN CN201811563642.7A patent/CN109658652B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327759A (en) * | 2016-10-10 | 2017-01-11 | 国网新疆电力公司经济技术研究院 | Invasion preventive intelligent safety protection system deployed in unattended transformer substation |
| CN106627600A (en) * | 2016-12-14 | 2017-05-10 | 中国铁道科学研究院电子计算技术研究所 | Platform safety protection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109658652A (en) | 2019-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109658652B (en) | Three-dimensional protection system for railway station platform | |
| CN106061793A (en) | Imaging system and method | |
| JP2008511068A (en) | Multi-sensor intrusion detection system | |
| CN205621297U (en) | Tram safety device | |
| CN205311596U (en) | Railway transport of passengers station platform passenger safety protection system that waits | |
| CN108717785A (en) | A kind of wisdom traffic safety management system | |
| CN106627600A (en) | Platform safety protection system | |
| KR102008966B1 (en) | Response System For a Fall From Railroad Platform | |
| CN208760602U (en) | A kind of foreign matter detection system between the shield door and train door of subway platform | |
| CN106600889A (en) | Indoor safety protection system and safety protection method thereof | |
| CN102565450A (en) | Method for detecting speed and coming direction of motor trolley | |
| CN116161089B (en) | Crossing control method and device, electronic equipment and storage medium | |
| CN217598597U (en) | Urban rail transit vehicle base construction area personnel safety control system | |
| CN111364386A (en) | Intelligent video monitoring-based automatic rail anti-smashing device and method for railway crossing | |
| CN208399713U (en) | A kind of gate with safety check function | |
| CN203733245U (en) | Fire-proof escape door intelligent alarm system | |
| CN110509933A (en) | A kind of Subway Station Platform door redundancy protection systems and method | |
| CN206849284U (en) | The anti-continuous rear collision warning system of vehicle on highway | |
| CN214733698U (en) | In-tank danger identification device | |
| CN210295358U (en) | Motor car overhaul warehouse operation safety monitoring system | |
| CN113120042A (en) | Intelligent monitoring system for unmanned railway crossing and control method thereof | |
| CN107010522A (en) | A kind of vertical shaft hoist auxiliary shaft cage safety supervising device in place and monitoring method | |
| CN211969472U (en) | Intelligent protection system for field section level crossing and level crossing | |
| CN208506977U (en) | A kind of school safety intelligently goes across the road device | |
| CN210027456U (en) | Motor train unit overhaul warehouse with alarm system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |