CN217107089U - Intelligent ventilation energy-saving control system for tunnel - Google Patents
Intelligent ventilation energy-saving control system for tunnel Download PDFInfo
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- CN217107089U CN217107089U CN202122347657.3U CN202122347657U CN217107089U CN 217107089 U CN217107089 U CN 217107089U CN 202122347657 U CN202122347657 U CN 202122347657U CN 217107089 U CN217107089 U CN 217107089U
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Abstract
The utility model relates to a tunnel ventilation technology field especially relates to a tunnel wisdom ventilation energy-saving control system, including centralized control system, tunnel environment monitoring system, train detection system, efflux fan integration safety control cabinet, efflux fan start control cabinet, axial fan integration monitoring cabinet and air valve switch board, tunnel environment monitoring system, train detection system, efflux fan integration safety control cabinet, efflux fan start control cabinet, axial fan integration monitoring cabinet, air valve switch board are connected with centralized control system respectively. This scheme mainly comprises tunnel environment monitored control system, train detection system, efflux fan integration safety monitoring cabinet, efflux fan start control cabinet, axial fan integration monitoring cabinet, blast gate switch board and centralized control system, can break through traditional tunnel ventilation mode, through means such as gas detection, train position detection, tunnel wind speed wind direction detection, effectively utilizes the kinetic energy of tunnel wind and train operation.
Description
Technical Field
The utility model relates to a tunnel ventilation technology field especially relates to a tunnel wisdom ventilation energy-saving control system.
Background
The tunnel ventilation is an important link of tunnel operation and maintenance, at present, railway tunnels are all provided with devices such as multiple positions, multiple jet fans, axial fans, air valves and the like to carry out combined control operation to complete tunnel ventilation, the start, stop and faults of the fans directly influence the tunnel environment and emergency rescue, the conventional tunnel ventilation is carried out by carrying out overall ventilation operation only according to the concentration of harmful gases or the train operation condition, or the device service life is shortened by frequently starting and stopping, or excessive electric energy is wasted by running in an excessive time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the wisdom ventilation energy-saving control system of a tunnel that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel wisdom ventilation energy-saving control system, includes centralized control system, tunnel environment monitoring system, train detection system, efflux fan integration safety control cabinet, efflux fan start control cabinet, axial fan integration monitoring cabinet and air valve switch board, tunnel environment monitoring system, train detection system, efflux fan integration safety control cabinet, efflux fan start control cabinet, axial fan integration monitoring cabinet, air valve switch board are connected with centralized control system respectively.
Preferably, the tunnel environment monitoring system comprises a CO sensor, a NO sensor, an ozone concentration sensor, a dust sensor, a wind speed/direction sensor, a temperature sensor, a humidity sensor and an oxygen concentration sensor, and is used for detecting the gas concentration (CO, NO, ozone, dust, temperature and humidity, oxygen concentration) and the wind speed and direction of the vehicle section of the tunnel.
Preferably, the train detection system comprises a reflection type photoelectric sensor, a monitoring box, a power supply and a first communication module, and is used for detecting the position of a train and realizing section monitoring of train operation.
Preferably, the jet fan integrated safety control cabinet comprises a first sensor, a data acquisition and analysis module, a first starting control module, a display module and a second communication module, and the jet fan integrated safety control cabinet is used for realizing safety monitoring and operation control of the integration of the main hole jet fan.
Preferably, the axial flow fan integrated monitoring cabinet comprises a second sensor, a state monitoring module, a second starting control module and a third communication module, and the axial flow fan integrated monitoring cabinet is used for realizing the integrated state monitoring and operation control of the axial flow fan of the vertical shaft.
Preferably, the first sensor includes a dynamic sensor and a static sensor, the dynamic sensor is used for detecting the vibration of the fan and is generally arranged at the vertical position of the fan device, and the static sensor is mainly used for detecting the posture of the fan and is generally arranged on a relatively static object taking the main body of the fan as a reference.
Preferably, the second sensor is a vibration sensor, and the vibration sensor is used for detecting the vibration of the fan and is generally arranged at the vertical position or the horizontal position of the fan device.
The utility model has the advantages that: the scheme mainly comprises a tunnel environment monitoring system, a train detection system, a jet fan integrated safety monitoring cabinet, a jet fan starting control cabinet, an axial flow fan integrated monitoring cabinet, an air valve control cabinet and a centralized control system, can break through the traditional tunnel ventilation mode, effectively utilizes the kinetic energy of tunnel air and train operation through means such as gas detection, train position detection, tunnel air speed and air direction detection and the like, realizes the intelligent operation of tunnel ventilation through data analysis and automatic learning record, can adjust corresponding air valves to guide air flow according to the air direction of a tunnel, and simultaneously automatically adjusts and controls the optimal number of fans to ventilate according to the train operation frequency and discharge, so as to save energy and operate and maintain to the maximum extent;
the intelligent ventilation system of the tunnel is provided with functions of full-automatic control, management, state monitoring, safety monitoring and the like of the fan, so that the operation and maintenance management efficiency and safety of tunnel ventilation are obviously improved, and functions of online real-time monitoring and control, fault alarming, maintenance prompting, data management and the like can be realized.
Drawings
Fig. 1 is a working schematic diagram of a tunnel intelligent ventilation energy-saving control system provided by the utility model;
FIG. 2 is a schematic diagram of a tunnel environment monitoring system of the intelligent ventilation energy-saving control system for a tunnel according to the present invention;
FIG. 3 is a schematic diagram of a train detection system of the intelligent ventilation energy-saving control system for a tunnel according to the present invention;
FIG. 4 is a working schematic diagram of a jet fan integrated safety control cabinet of the tunnel intelligent ventilation energy-saving control system provided by the utility model;
FIG. 5 is a working schematic diagram of an axial flow fan integrated monitoring cabinet of the tunnel intelligent ventilation energy-saving control system provided by the utility model;
fig. 6 is the utility model provides a tunnel wisdom ventilation energy-saving control system's tunnel ventilation integrated monitoring scheme schematic diagram.
In the figure: 1. a centralized control system; 2. a tunnel environment monitoring system; 21. a CO sensor; 22. a NO2 sensor; 23. an ozone concentration sensor; 24. a dust sensor; 25. a wind speed/direction sensor; 26. A temperature sensor; 27. a humidity sensor; 28. an oxygen concentration sensor; 3. a train detection system; 31. A reflective photoelectric sensor; 32. a monitoring box; 33. a power source; 34. a first communication module; 4. the jet flow fan integrated safety control cabinet; 41. a first sensor; 42. a data acquisition and analysis module; 43. a first start control module; 44. a display module; 45. a second communication module; 5. starting a control cabinet of the jet flow fan; 6. an axial flow fan integrated monitoring cabinet; 61. a second sensor; 62. a state monitoring module; 63. starting a control module; 64. a third communication module; 7. blast gate switch board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a tunnel wisdom ventilation energy-saving control system, includes centralized control system 1, tunnel environment monitoring system 2, train detection system 3, efflux fan integration safety control cabinet 4, efflux fan start control cabinet 5, axial fan integration monitoring cabinet 6 and air valve switch board 7, and tunnel environment monitoring system 2, train detection system 3, efflux fan integration safety control cabinet 4, efflux fan start control cabinet 5, axial fan integration monitoring cabinet 6, air valve switch board 7 are connected with centralized control system 1 respectively.
The jet fan starting control cabinet 5 adopts a soft starting mode. The control modes are divided into local, maintenance and remote modes. In the on-site mode, any fan can be started/stopped respectively. When overhauing the mode, no matter long-range/on the spot, all can't control the fan. In the remote mode, automatic or manual operation is adopted, automatic start and stop can be carried out according to data collected by a field environment sensor in the automatic mode, and a fan to be started needs to be selected in the manual mode;
the air valve control mode of the air valve control cabinet 7 is divided into an on-site mode, a maintenance mode and a remote mode. In the on-site mode, any air valve can be opened/closed respectively. In the maintenance mode, the air valve can not be controlled remotely or locally. In the remote mode, the remote control system is divided into an automatic mode or a manual mode, and in the automatic mode, the remote control system can be matched with a fan in a vertical shaft or an inclined shaft to be opened and closed according to data acquired by a field environment sensor; the manual mode needs to select the air valve needing to be opened by self.
The centralized control system 1 is an automatic control system based on the theories of special tunnel environment ventilation and disaster prevention processing by combining the computer and network technologies with the automatic control principle of electromechanical equipment, and utilizes a distributed microcomputer monitoring system to carry out comprehensive operation management and control on equipment such as a fan, an air valve, an environment sensor and the like in a tunnel. When the train runs, the jet fan and the axial flow fan in the tunnel can be automatically opened (running for at least 15min at a time) and closed according to data of an environment sensor in the tunnel and the running direction of the train, and the axial flow fan can be started or stopped by selecting a corresponding air valve according to a control strategy to perform linkage control. The main functions are as follows:
1. the graphic display function: the graphics display function is a real-time animation display function. Monitoring the system operation condition by observing the system-to-device state description on a display screen;
2. and (3) a data display function: the data display function mainly displays various parameters acquired by the data acquisition system in various ways: such as carbon monoxide, nitrogen dioxide, the operating state of the fan, etc.;
3. history trend display function: forming a plurality of historical trend curve graphs according to the properties of the collected parameters and categories, wherein some important parameters can be recorded in a hard disk and can be called and displayed at any time;
4. the intelligent control function is as follows: through the collection of concentrating such as gas detection, train position detection, tunnel wind speed and direction survey, through data analysis and automatic study record, realize the intelligent operation of tunnel ventilation, according to tunnel self wind direction, adjust and correspond blast gate guide air current, according to train operating frequency and emission simultaneously, the fan of automatic regulation and control optimum quantity and correspond the position fan ventilate through long-range timing operation, and the at utmost carries out energy-conserving fortune dimension.
5. The alarm function is as follows: when the system equipment fault is detected, the system equipment fault can be automatically alarmed and recorded, and an operator is reminded in a pop-up window mode.
6. A printing function: the data reported according to the actual needs on site can be made into a form of a report and can be printed at any time according to the needs.
The scheme mainly comprises a tunnel environment monitoring system, a train detection system, a jet fan integrated safety monitoring cabinet, a jet fan starting control cabinet, an axial flow fan integrated monitoring cabinet, an air valve control cabinet and a centralized control system, can break through the traditional tunnel ventilation mode, effectively utilizes the kinetic energy of tunnel air and train operation through means such as gas detection, train position detection, tunnel air speed and air direction detection and the like, realizes the intelligent operation of tunnel ventilation through data analysis and automatic learning record, can adjust corresponding air valves to guide air flow according to the air direction of a tunnel, and simultaneously automatically adjusts and controls the optimal number of fans to ventilate according to the train operation frequency and discharge, so as to save energy and operate and maintain to the maximum extent;
the intelligent ventilation system of the tunnel is provided with functions of full-automatic control, management, state monitoring, safety monitoring and the like of the fan, so that the operation and maintenance management efficiency and safety of tunnel ventilation are obviously improved, and functions of online real-time monitoring and control, fault alarming, maintenance prompting, data management and the like can be realized.
In this embodiment, the tunnel environment monitoring system 2 includes a CO sensor 21, a NO2 sensor 22, an ozone concentration sensor 23, a dust sensor 24, a wind speed/direction sensor 25, a temperature sensor 26, a humidity sensor 27, and an oxygen concentration sensor 28, and the tunnel environment monitoring system 2 is configured to detect the gas concentration (CO, NO2, ozone, dust, temperature, humidity, and oxygen concentration) and the wind speed and direction of the tunnel vehicle section. Harmful gases in the tunnel include, but are not limited to, CO, NO2, ozone, and the like.
When the CO sensor 21 detects that the CO concentration in the tunnel is higher than 30mg/m 3 When the fan is started, the fan is automatically started; automatically closing when the value is lower than a normal value;
when the NO2 sensor 22 detects a concentration of NO2 higher than 5mg/m in the tunnel 3 When the fan is started, the fan is automatically started; automatically closing when the value is lower than a normal value;
when the ozone concentration sensor 23 detects that the ozone concentration in the tunnel is higher than 0.3mg/m 3 When the fan is started, the fan is automatically started; automatically closing when the value is lower than a normal value;
when the dust sensor 24 detects that more than 10% of free silica dust in per cubic meter of air in the tunnel is more than 2mg or less than 10% of free silica mineral dust in per cubic meter of air in the tunnel is more than 8mg, the fan is automatically started; automatically closing when the value is lower than a normal value;
when the wind speed/direction sensor 25 detects that the wind speed in the tunnel is more than 8m/s, the fan stops running or is prohibited to be started;
when the temperature sensor 26 and the humidity sensor 27 detect that the temperature in the tunnel is higher than 28 ℃ or the humidity is higher than 80%, the fan is automatically started; and automatically closing when the normal value is lower. The wind direction in the tunnel is adjusted according to the temperature monitoring result, the transmission direction of the harmful gas is opposite to the evacuation direction of people, and the safe evacuation of the people in the tunnel is guaranteed.
By adding the oxygen concentration sensor 28, the system is adjusted to supplement oxygen in the tunnel according to the real-time monitoring result, and the method is very effective in the long tunnel and the high-altitude tunnel.
In this embodiment, the train detection system 3 includes a reflective photoelectric sensor 31, a monitoring box 32, a power supply 33, and a first communication module 34, and the train detection system 3 is configured to detect a position of a train, and implement section monitoring of train operation.
In this embodiment, the jet flow fan integrated safety control cabinet 4 includes a first sensor 41, a data acquisition and analysis module 42, a first start control module 43, a display module 44 and a second communication module 45, the jet flow fan integrated safety control cabinet 4 is used for realizing the safety monitoring and operation control of the front hole jet flow fan integration, the data acquisition and analysis module 42 is mainly used for detecting signals transmitted by the sensor, and performs data exchange with the network, the power supply module is standard matching, the channel module is optional matching, and the number of the channel modules is configured according to the installed sensor.
The jet flow fan integrated safety control cabinet 4 is arranged at the local position of the fan, and the safety monitoring part is responsible for acquiring and displaying signals of the dynamic sensor, comprehensively judging data of the static sensor and then alarming and outputting. A data acquisition module, an integrated industrial personal computer and the like are mainly configured inside; the protection grade of the monitoring cabinet is generally IP 56, the working environment is met, and the monitoring cabinet can be upgraded according to the requirements of clients.
In this embodiment, the axial flow fan integrated monitoring cabinet 6 includes a second sensor 61, a state monitoring module 62, a second start control module 63, and a third communication module 64, and the axial flow fan integrated monitoring cabinet 6 is used to implement the integrated state monitoring and operation control of the axial flow fan in the shaft.
In this embodiment, the first sensor 41 includes a dynamic sensor and a static sensor, the dynamic sensor is used for detecting the vibration of the fan and is generally installed at the vertical position of the fan device, and the static sensor is mainly used for detecting the posture of the fan and is generally installed on a relatively stationary object with the main body of the fan as a reference.
In this embodiment, the second sensor 61 is a vibration sensor, which is used for detecting the vibration of the fan and is generally installed at a vertical position or a horizontal position of the fan device.
The utility model discloses the concrete implementation process as follows: in order to reduce the electric energy consumption after railway operation, the tunnel is designed in sections, each section of the long tunnel is provided with a Y-shaped ventilation channel at the intersection position of the construction auxiliary gallery and the main tunnel, a trapezoidal ventilation channel is arranged at the intersection position of the lower part of the ventilation shaft and the main tunnel, a combined air valve is arranged in the tunnel, 2, each section is provided with a ventilation air channel, ventilation equipment and a monitoring control system, the requirement of the ventilation section can be accurately judged, the section ventilation according to the requirement is generally realized, each section of the tunnel consists of a tunnel environment monitoring system 2, a train detection system 3, a jet flow fan integrated safety monitoring cabinet 4, a jet flow fan starting control cabinet 5, an axial flow fan integrated monitoring cabinet 6, an air valve control cabinet 7 and a centralized control system 1, the opening of the combined air valve and the starting and stopping of the fan equipment are controlled according to the running state of the train and the concentration of harmful gas in the tunnel, the piston action of the train is fully utilized, fresh air is introduced into the tunnel, dirty air in the tunnel is pressed into the shaft, the number of started ventilation equipment is reduced, the power supply amount for tunnel ventilation is reduced, and the operation cost is saved. Meanwhile, according to sensing equipment such as a sensor on the fan, the vibration and the health state of the fan are monitored, maintenance is arranged in time, and loss caused by fault shutdown is reduced. Under the fire working condition, the tunnel rescue equipment and the system work in a cooperative mode, the rescue fire-extinguishing equipment in the tunnel is started according to monitoring results such as temperature and the like, and the safety of people in the tunnel is guaranteed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a tunnel wisdom ventilation energy-saving control system, includes centralized control system (1), tunnel environmental monitoring system (2), train detection system (3), jet fan integration safety control cabinet (4), jet fan start control cabinet (5), axial fan integration monitoring cabinet (6) and air valve switch board (7), its characterized in that: the tunnel environment monitoring system (2), the train detection system (3), the jet fan integrated safety control cabinet (4), the jet fan starting control cabinet (5), the axial flow fan integrated monitoring cabinet (6) and the air valve control cabinet (7) are respectively connected with the centralized control system (1).
2. The intelligent ventilation and energy-saving control system for the tunnel according to claim 1, wherein the tunnel environment monitoring system (2) comprises a CO sensor (21), a NO2 sensor (22), an ozone concentration sensor (23), a dust sensor (24), a wind speed/direction sensor (25), a temperature sensor (26), a humidity sensor (27) and an oxygen concentration sensor (28), and the tunnel environment monitoring system (2) is used for detecting the gas concentration (CO, NO2, ozone, dust, temperature and humidity, oxygen concentration) and the wind speed and direction of a tunnel vehicle section.
3. The intelligent ventilation and energy-saving control system for the tunnel according to claim 1, wherein the train detection system (3) comprises a reflective photoelectric sensor (31), a monitoring box (32), a power supply (33) and a first communication module (34), and the train detection system (3) is used for detecting the position of a train and realizing section monitoring of train operation.
4. The intelligent tunnel ventilation energy-saving control system according to claim 1, wherein the jet flow fan integrated safety control cabinet (4) comprises a first sensor (41), a data acquisition and analysis module (42), a first starting control module (43), a display module (44) and a second communication module (45), and the jet flow fan integrated safety control cabinet (4) is used for realizing safety monitoring and operation control of tunnel jet flow fan integration.
5. The intelligent ventilation and energy-saving control system for the tunnel according to claim 1, wherein the integrated monitoring cabinet for the axial flow fan (6) comprises a second sensor (61), a state monitoring module (62), a second starting control module (63) and a third communication module (64), and the integrated monitoring cabinet for the axial flow fan (6) is used for realizing the integrated state monitoring and operation control of the axial flow fan for the vertical shaft.
6. A tunnel intelligent ventilation energy-saving control system as claimed in claim 4, wherein the first sensor (41) comprises a dynamic sensor and a static sensor, the dynamic sensor is used for detecting the vibration of the fan and is generally arranged at the vertical position of the fan device, the static sensor is mainly used for detecting the posture of the fan and is generally arranged on a relatively static object taking the fan body as a reference.
7. The intelligent ventilation and energy-saving control system for the tunnel of claim 5, wherein the second sensor (61) is a vibration sensor, and the vibration sensor is used for detecting the vibration of the fan and is generally installed at the vertical position or the horizontal position of the fan device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347657.3U CN217107089U (en) | 2021-09-27 | 2021-09-27 | Intelligent ventilation energy-saving control system for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347657.3U CN217107089U (en) | 2021-09-27 | 2021-09-27 | Intelligent ventilation energy-saving control system for tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN217107089U true CN217107089U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122347657.3U Active CN217107089U (en) | 2021-09-27 | 2021-09-27 | Intelligent ventilation energy-saving control system for tunnel |
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| CN (1) | CN217107089U (en) |
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2021
- 2021-09-27 CN CN202122347657.3U patent/CN217107089U/en active Active
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