CN111321992A - There is not grid formula subway shield door weather conversion equipment based on thing networking - Google Patents
There is not grid formula subway shield door weather conversion equipment based on thing networking Download PDFInfo
- Publication number
- CN111321992A CN111321992A CN202010122966.8A CN202010122966A CN111321992A CN 111321992 A CN111321992 A CN 111321992A CN 202010122966 A CN202010122966 A CN 202010122966A CN 111321992 A CN111321992 A CN 111321992A
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- connecting rod
- platform
- conversion device
- rod
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/04—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses with ventilation wings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Abstract
The invention belongs to the technical field of ventilation equipment, and particularly relates to a grille-free subway shielded door climate conversion device based on the Internet of things. The subway platform screen door weather conversion device can monitor parameter information such as temperature and video of each platform in real time on line, intelligently controls the opening and closing of the air valve according to the environment temperature information of the platforms, can acquire relevant parameter information of each platform in time, transmits corresponding decision information and alarm information to intelligent terminals of relevant workers when data are abnormal, carries out emergency scheduling on the relevant workers, ensures the stable operation of the subway platform screen door weather conversion device, is safe and reliable, can monitor the arrival information of trains in real time, closes the air valve before the arrival of the trains, avoids squealing noise caused by the arrival of the trains, and provides a comfortable waiting environment.
Description
Technical Field
The invention relates to the technical field of ventilation equipment, in particular to a grille-free subway shield door climate conversion device based on the Internet of things.
Background
The subway screen door is a high-tech product integrating the subjects of building, machinery, materials, electronics, information and the like, and is used for subway platforms. The platform and the train running area are separated by the shielding door, and the automatic opening of the shielding door is controlled by the control system. Subway platform screen doors are divided into closed type, open type and half-height type, wherein the open type and the half-height type are generally called as 'safety doors', and only play a role in safety and beauty. The closed type is usually called a 'screen door', and is also the most common type.
In order to ensure the ventilation effect of the subway platform, a climate conversion device is usually arranged at the top end of the shielding door, so that air is circulated, and a comfortable waiting environment is provided. However, the existing subway shield door climate conversion device generally has the following defects:
1. the existing subway shield door climate switching device has low intelligent degree, cannot carry out real-time online monitoring on parameter information such as temperature and video of each platform, and cannot realize intelligent opening and closing of an air valve according to the environmental temperature of the platform;
2. the existing subway shield door climate conversion device cannot acquire related parameter information of each platform in time, cannot give an alarm in time in case of emergency, cannot make a corresponding emergency scheme in time and perform emergency scheduling on related workers, and is low in safety and reliability;
3. the existing subway shield door climate conversion device is single in functionality, cannot monitor whether a train arrives at a station in real time, and intelligently closes an air valve before the train arrives at the station, so that the waiting comfort is poor.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a grid-free type subway shield door climate conversion device based on the Internet of things, and solves the problems that the existing subway shield door climate conversion device is low in intelligentization degree, cannot perform real-time online monitoring on parameter information such as temperature and video of each platform, cannot realize intelligent opening and closing of an air valve according to the environmental temperature of the platform, cannot acquire relevant parameter information of each platform in time, cannot send out an alarm in time in case of emergency, cannot make a corresponding emergency scheme in time and perform emergency scheduling on relevant workers, is low in safety and reliability, is single in functionality, cannot monitor whether a train arrives at the station in real time, cannot intelligently close the air valve before the train arrives at the station, and is poor in waiting comfort.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a there is not grid formula subway shield door weather conversion equipment based on thing networking, includes thing networking platform, platform field parameter acquisition unit, cloud ware, mobile terminal and based on the no grid formula subway shield door weather conversion equipment of thing networking are connected with the thing networking platform respectively, specifically as follows:
the platform on-site parameter acquisition unit includes controller, surveillance camera head, temperature sensor, train positioning unit, wireless communication module, power module and storage module respectively with controller electric connection, the surveillance camera head is used for platform video monitoring, temperature sensor is used for carrying out real-time supervision to platform ambient temperature, train positioning unit is used for detecting whether the train reaches the platform, the controller passes through wireless communication module, thing networking platform and cloud ware and mobile terminal communication interaction, power module provides the power for controller work, storage module is used for storing video information and the temperature parameter information of gathering through surveillance camera head and temperature sensor.
The no grid formula subway shield door weather conversion equipment based on thing networking comprises valve body, valve block, executor, first actuating lever, second actuating lever, first connecting rod, second connecting rod, third connecting rod and fourth connecting rod, wherein, the executor is fixed in on the valve body through the base, first actuating lever and the coaxial setting of second actuating lever are rotatory through the executor drive simultaneously, the second connecting rod passes through first connecting rod and is connected with the second actuating lever, the fourth connecting rod is transversely installed on the valve body, the one end and the fourth connecting rod of third connecting rod are connected, the one end that the fourth connecting rod was kept away from to the third connecting rod is connected with the second connecting rod, valve block fixed connection is on first actuating lever and fourth connecting rod.
As a preferred technical scheme of the invention, the controller adopts one of STM32 series 32-bit micro control chips.
In a preferred embodiment of the present invention, the temperature sensor is a pt100 temperature sensor.
As a preferred technical solution of the present invention, the train positioning unit employs an ultrasonic detector.
As a preferable technical scheme of the invention, the wireless communication module adopts a Wi-Fi communication mode or a GPRS communication mode.
As a preferable technical scheme of the invention, the valve body is of an integral welding structure, and mounting flanges are arranged on four sides of the valve body.
As a preferred technical scheme of the invention, the valve body is composed of a plurality of single electric air valves, the single electric air valves are arranged above the subway shield door, and the single electric air valves form continuous air vents on the upper part of a platform door body.
As a preferable technical scheme of the invention, the first driving rod and the middle shaft rod of the valve plate and the fourth connecting rod and the middle shaft rod of the valve plate are fastened through nut components.
As a preferred technical scheme of the invention, the nut component consists of a locking nut, a nut gasket and a screw rod, the first driving rod is connected with the middle shaft rod of the valve plate and the fourth connecting rod is connected with the middle shaft rod of the valve plate through the screw rod, and the upper end and the lower end of the screw rod are locked through the locking nut and the nut gasket.
(III) advantageous effects
Compared with the prior art, the invention provides a grille-free subway shielded door climate conversion device based on the Internet of things, which has the following beneficial effects:
1. this no grid formula subway shield door weather conversion equipment based on thing networking can carry out real-time on-line monitoring to parameter information such as each platform temperature, video to open and close according to platform ambient temperature information intelligent control blast gate.
2. The grille-free subway shield door climate conversion device based on the Internet of things can timely acquire relevant parameter information of each platform, store and calculate the relevant parameter information, make decisions timely according to calculation results, transmit corresponding decision information and alarm information to intelligent terminals of relevant workers when data are abnormal, perform emergency dispatching on the relevant workers, and guarantee stable operation, safety and reliability of the subway shield door climate conversion device.
3. This no grid formula subway shield door weather conversion equipment based on thing networking can real-time supervision train information of arriving at the station to close the blast gate before the train arrives at the station, avoid the train noise of whistling that the station arouses, provide comfortable environment of waiting.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a diagram of a platform site parameter acquisition unit of the present invention;
FIG. 3 is a schematic structural diagram of a grille-free subway shielded door climate conversion device based on the Internet of things;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is a front view of the grille-free subway platform screen door climate converting device based on the internet of things.
In the figure: 100. an Internet of things platform; 200. a platform field parameter acquisition unit; 201. a controller; 202. a surveillance camera; 203. a temperature sensor; 204. a train positioning unit; 205. a wireless communication module; 206. a power supply module; 207. a storage module; 300. a cloud server; 400. a mobile terminal; 500. a grille-free subway shield door climate conversion device based on the Internet of things; 501. a valve body; 502. a valve plate; 503. an actuator; 504. a first drive lever; 505. a second drive lever; 506. a first link; 507. a second link; 508. a third link; 509. and a fourth link.
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.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a there is not grid formula subway shield door climate conversion equipment based on thing networking, includes thing networking platform 100, platform field parameter acquisition unit 200, cloud ware 300, mobile terminal 400 and based on the no grid formula subway shield door climate conversion equipment 500 of thing networking are connected with thing networking platform 100 respectively, specifically as follows:
the platform field parameter acquisition unit 200 comprises a controller 201, a monitoring camera 202, a temperature sensor 203, a train positioning unit 204, a wireless communication module 205, a power supply module 206 and a storage module 207, monitoring camera 202, temperature sensor 203, train positioning unit 204, wireless communication module 205, power module 206 and storage module 207 are respectively with controller 201 electric connection, monitoring camera 202 is used for platform video monitoring, temperature sensor 203 is used for carrying out real-time supervision to platform ambient temperature, train positioning unit 204 is used for detecting whether the train reaches the platform, controller 201 passes through wireless communication module 205, thing networking platform 100 and cloud ware 300 and mobile terminal 400 communication interaction, power module 206 provides the power for controller 201 work, storage module 207 is used for storing video information and the temperature parameter information of gathering through monitoring camera 202 and temperature sensor 203.
The grille-free subway screen door climate conversion device 500 based on the internet of things is composed of a valve body 501, a valve plate 502, an actuator 503, a first driving rod 504, a second driving rod 505, a first connecting rod 506, a second connecting rod 507, a third connecting rod 508 and a fourth connecting rod 509, wherein the actuator 503 is fixed on the valve body 501 through a base, the first driving rod 504 and the second driving rod 505 are coaxially arranged and are driven to rotate through the actuator 503, the second connecting rod 507 is connected with the second driving rod 505 through the first connecting rod 506, the fourth connecting rod 509 is transversely arranged on the valve body 501, one end of the third connecting rod 508 is connected with the fourth connecting rod, one end of the third connecting rod 508, far away from the fourth connecting rod 509, is connected with the second connecting rod 507, and the valve plate 502 is fixedly connected to the first driving rod 504 and the fourth connecting rod 509.
In this embodiment, the mobile terminal 400 includes a PC, a mobile phone, or a Pad.
Specifically, the controller 201 employs one of the STM32 series 32-bit micro control chips.
In the embodiment, the STM32 series 32-bit micro control chip is based on
The processor aims at providing a new development freedom degree for MCU users, comprises a series of products, integrates the characteristics of high performance, real-time function, digital signal processing, low power consumption, low voltage operation, connectivity and the like, and simultaneously keeps the characteristics of high integration degree and easy development.
Specifically, the temperature sensor 203 is a pt100 temperature sensor.
In this embodiment, the pt100 temperature sensor is an instrument that converts a temperature variable into a transmittable standardized output signal, and the pt100 temperature sensor is used to measure the ambient temperature inside the subway platform, when the ambient temperature inside the platform is too high, the controller 201 controls the actuator 503 to operate, and through the cooperation of the first driving rod 504, the second driving rod 505, the first connecting rod 506, the second connecting rod 507, the third connecting rod 508 and the fourth connecting rod 509, the air valve is controlled to be opened, the opening degree of the valve plate 502 is increased, the intake air amount is increased, the cooling effect is achieved, and when the platform temperature is too low, the air valve is closed.
Specifically, the train positioning unit 204 employs an ultrasonic detector.
In this embodiment, whether a subway arrives at a station is detected in real time by using the ultrasonic detector, and when the ultrasonic detector detects the subway, the actuator 503 is controlled to operate through the controller 201, so that the air valve is closed, thereby avoiding squealing noise caused by arrival of a train at the station, and providing a comfortable waiting environment.
Specifically, the wireless communication module 205 adopts a Wi-Fi communication mode or a GPRS communication mode.
Specifically, the valve body 501 is of an integral welding structure, and mounting flanges are arranged on four sides of the valve body 501.
In this embodiment, the whole welding of valve body 501 has guaranteed the strong height of structure of blast gate, adopts flange joint's mode to make the installation more firm.
Specifically, the valve body 501 is composed of a plurality of single electric air valves, the single electric air valves are installed above the subway shield door, and the single electric air valves form continuous ventilation openings on the upper portion of the platform door body.
In this embodiment, an actuator 503 is installed between every two single electric air valves, the valve plate 502 of one single electric air valve is fixedly connected to the first driving rod 504 and the fourth connecting rod 509, the valve plate 502 of the other single electric air valve is fixedly connected to the second driving rod 505 and the fourth connecting rod 509, and the opening and closing of the two single electric air valves can be realized through one actuator 503 and the connecting rod mechanism.
Specifically, the first driving rod 504 and the center shaft of the valve plate 502 and the fourth connecting rod 509 and the center shaft of the valve plate 502 are fastened by nut components.
Specifically, the nut assembly is composed of a lock nut, a nut washer and a screw, the first driving rod 504 and the center shaft rod of the valve plate 502 and the fourth connecting rod 509 and the center shaft rod of the valve plate 502 are connected by the screw, and the upper and lower ends of the screw are locked by the lock nut and the nut washer.
In this embodiment, the nut assembly is used as the connecting member, so that the connection between the first driving rod 504 and the middle shaft rod of the valve plate 502 and the connection between the fourth connecting rod 509 and the middle shaft rod of the valve plate 502 are firmer and more stable, and the looseness of the screw rod is effectively avoided.
The working principle and the using process of the invention are as follows: when the system works, a monitoring camera 202, a temperature sensor 203 and a train positioning unit 204 in a platform field parameter acquisition unit 200 are used for carrying out video and temperature data acquisition on a platform and detecting whether the train reaches the platform in real time, the acquired data are transmitted to an Internet of things platform 100 through a wireless communication module 205, the Internet of things platform 100 is used for transmitting the data to a cloud server 300, the cloud server 300 is used for storing, calculating and managing various data and sharing the data to a mobile terminal 400, relevant workers can access the cloud server 300 through the mobile terminal 400 to inquire relevant information, when the data are abnormal, the cloud server 300 timely makes a decision and transmits the decision information to the platform field parameter acquisition unit 200, a controller 201 is used for controlling an actuator 503 to make corresponding air valve opening and closing actions and transmitting the relevant data and the decision information to the mobile terminal 400 in time, carrying out economic dispatching on related workers;
when the platform environment temperature is detected to be too high (such as in summer), the cloud server 300 sends a corresponding control instruction according to a calculation and analysis result, the instruction information is transmitted to the controller 201 through the internet of things platform 100, the controller 201 controls the actuator 503 to work, the air valve is controlled to be opened through the matching of the first driving rod 504, the second driving rod 505, the first connecting rod 506, the second connecting rod 507, the third connecting rod 508 and the fourth connecting rod 509, the opening degree of the valve plate 502 is increased, the intake air volume is increased, the cooling effect is achieved, and when the platform temperature is too low (such as in winter), the air valve is closed or the opening degree of the valve plate 502 is reduced to the minimum standard according to the calculation and analysis result of the cloud server 300;
when data abnormality is detected, transmitting the abnormal data and the analysis result to the mobile terminal 400 through the internet of things platform 100, and timely reminding a user to process;
when it is detected that a train arrives at a station, the cloud server 300 sends out a corresponding control instruction according to a calculation and analysis result, the instruction information is transmitted to the controller 201 through the internet of things platform 100, the controller 201 controls the actuator 503 to work, and the air valve is controlled to be temporarily closed through the matching of the first driving rod 504, the second driving rod 505, the first connecting rod 506, the second connecting rod 507, the third connecting rod 508 and the fourth connecting rod 509, so that howling noise caused by arrival of the train at the station is avoided, and a comfortable waiting environment is provided;
when the grille-free subway screen door climate conversion device 500 based on the internet of things works, the actuator 503 is electrified, the first driving rod 504 and the second driving rod 505 are driven to rotate clockwise through the actuator 503, then the first connecting rod 506 is driven to rotate clockwise, the first connecting rod 506 rotates clockwise to drive the second connecting rod 507 connected with the first connecting rod to rotate clockwise downwards, then the third connecting rod 508 rotates anticlockwise through the second connecting rod 507, the third connecting rod 508 rotates to drive the fourth connecting rod 509 to move anticlockwise, so that the valve plates 502 connected to the first driving rod 504 and the fourth connecting rod 509 are opened (the same closing principle), and the air valve is opened and closed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a no grid formula subway shield door weather conversion equipment based on thing networking which characterized in that: including thing networking platform (100), platform on-site parameter acquisition unit (200), cloud ware (300), mobile terminal (400) and no grid formula subway platform screen door climate conversion equipment (500) based on the thing networking are connected with thing networking platform (100) respectively, specifically as follows:
the platform field parameter acquisition unit (200) comprises a controller (201), a monitoring camera (202), a temperature sensor (203), a train positioning unit (204), a wireless communication module (205), a power supply module (206) and a storage module (207), wherein the monitoring camera (202), the temperature sensor (203), the train positioning unit (204), the wireless communication module (205), the power supply module (206) and the storage module (207) are respectively and electrically connected with the controller (201), the monitoring camera (202) is used for platform video monitoring, the temperature sensor (203) is used for monitoring the platform environment temperature in real time, the train positioning unit (204) is used for detecting whether a train reaches a platform, and the controller (201) is in communication interaction with a cloud server (300) and a mobile terminal (400) through the wireless communication module (205) and the Internet of things (100), the power supply module (206) provides power for the controller (201) to work, and the storage module (207) is used for storing video information and temperature parameter information acquired by the monitoring camera (202) and the temperature sensor (203);
the grille-free subway shielded door climate conversion device (500) based on the Internet of things is composed of a valve body (501), a valve plate (502), an actuator (503), a first driving rod (504), a second driving rod (505), a first connecting rod (506), a second connecting rod (507), a third connecting rod (508) and a fourth connecting rod (509), wherein the actuator (503) is fixed on the valve body (501) through a base, the first driving rod (504) and the second driving rod (505) are coaxially arranged and are driven to rotate through the actuator (503), the second connecting rod (507) is connected with the second driving rod (505) through the first connecting rod (506), the fourth connecting rod (509) is transversely arranged on the valve body (501), one end of the third connecting rod (508) is connected with the fourth connecting rod (509), and one end of the third connecting rod (508) far away from the fourth connecting rod (509) is connected with the second connecting rod (507), the valve plate (502) is fixedly connected to the first driving rod (504) and the fourth connecting rod (509).
2. The Internet of things-based grille-free subway shielded door climate conversion device as claimed in claim 1, wherein: the controller (201) employs one of the STM32 series 32-bit micro control chips.
3. The Internet of things-based grille-free subway shielded door climate conversion device as claimed in claim 1, wherein: the temperature sensor (203) adopts a pt100 temperature sensor.
4. The Internet of things-based grille-free subway shielded door climate conversion device as claimed in claim 1, wherein: the train positioning unit (204) adopts an ultrasonic detector.
5. The Internet of things-based grille-free subway shielded door climate conversion device as claimed in claim 1, wherein: the wireless communication module (205) adopts a Wi-Fi communication mode or a GPRS communication mode.
6. The Internet of things-based grille-free subway shielded door climate conversion device as claimed in claim 1, wherein: the valve body (501) is of an integral welding structure, and mounting flanges are arranged on four sides of the valve body (501).
7. The Internet of things-based grille-free subway shielded door climate conversion device as claimed in claim 1, wherein: the valve body (501) is composed of a plurality of single electric air valves, the single electric air valves are installed above the subway shield door, and the single electric air valves form continuous air vents on the upper portion of a platform door body.
8. The Internet of things-based grille-free subway shielded door climate conversion device as claimed in claim 1, wherein: the first driving rod (504) and the middle shaft rod of the valve plate (502) and the fourth connecting rod (509) and the middle shaft rod of the valve plate (502) are fastened through nut components.
9. The internet-of-things-based grille-free subway shielded door climate conversion device as claimed in claim 8, wherein: the nut component consists of a locking nut, a nut gasket and a screw rod, the first driving rod (504) is connected with the middle shaft rod of the valve plate (502) and the fourth connecting rod (509) is connected with the middle shaft rod of the valve plate (502) through the screw rod, and the upper end and the lower end of the screw rod are locked through the locking nut and the nut gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122966.8A CN111321992A (en) | 2020-02-27 | 2020-02-27 | There is not grid formula subway shield door weather conversion equipment based on thing networking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122966.8A CN111321992A (en) | 2020-02-27 | 2020-02-27 | There is not grid formula subway shield door weather conversion equipment based on thing networking |
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| Publication Number | Publication Date |
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| CN111321992A true CN111321992A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010122966.8A Pending CN111321992A (en) | 2020-02-27 | 2020-02-27 | There is not grid formula subway shield door weather conversion equipment based on thing networking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895607A (en) * | 2020-08-06 | 2020-11-06 | 江苏易诺威建筑科技有限公司 | Climate management system for subway |
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| CA2388317A1 (en) * | 2001-05-31 | 2002-11-30 | Serge Goncalves | Air duct valve |
| JP2012017934A (en) * | 2010-07-09 | 2012-01-26 | Hitachi Cable Ltd | Data center |
| CN108331509A (en) * | 2018-02-11 | 2018-07-27 | 陆昀 | Subway shield header case seasonality converts air-valve |
| CN110645686A (en) * | 2019-09-12 | 2020-01-03 | 深圳达实智能股份有限公司 | Subway station air conditioning system energy-saving control method and system based on multi-source information fusion |
| CN110737231A (en) * | 2019-11-04 | 2020-01-31 | 江苏安防科技有限公司 | piping lane monitoring system based on internet of things and three-dimensional visualization technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2388317A1 (en) * | 2001-05-31 | 2002-11-30 | Serge Goncalves | Air duct valve |
| JP2012017934A (en) * | 2010-07-09 | 2012-01-26 | Hitachi Cable Ltd | Data center |
| CN108331509A (en) * | 2018-02-11 | 2018-07-27 | 陆昀 | Subway shield header case seasonality converts air-valve |
| CN110645686A (en) * | 2019-09-12 | 2020-01-03 | 深圳达实智能股份有限公司 | Subway station air conditioning system energy-saving control method and system based on multi-source information fusion |
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| CN111895607A (en) * | 2020-08-06 | 2020-11-06 | 江苏易诺威建筑科技有限公司 | Climate management system for subway |
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Application publication date: 20200623 |