CN114876550B - Highway tunnel environment control device and method - Google Patents
Highway tunnel environment control device and method Download PDFInfo
- Publication number
- CN114876550B CN114876550B CN202210070300.1A CN202210070300A CN114876550B CN 114876550 B CN114876550 B CN 114876550B CN 202210070300 A CN202210070300 A CN 202210070300A CN 114876550 B CN114876550 B CN 114876550B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000013618 particulate matter Substances 0.000 claims abstract description 14
- 238000005265 energy consumption Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The invention relates to a highway tunnel environment control device and a method, the device comprises a sensor module, a control module and a fan system module, wherein the fan system module is arranged in the middle of a tunnel entrance, one side and the upper part of the fan system module are provided with the sensor module, the sensor module collects data signals of visibility, CO concentration, NO2 concentration and particulate matter concentration in a tunnel, and the data signals are transmitted to the control module through a data transmission device, and the control module outputs control signals to the fan system module for controlling the fan system module to work. The invention can realize the environmental control of the highway tunnel, ensure the visibility, CO concentration, NO2 concentration, particulate matter concentration and temperature in the tunnel to be maintained in a reasonable range, and simultaneously can save the energy consumption of the fan.
Description
Technical Field
The invention relates to a highway tunnel environment control device and method, and belongs to the field of tunnel environment control.
Background
The highway tunnel is a relatively closed area, and exhaust gas and smoke dust discharged during running of the vehicle are easy to accumulate in the tunnel. The exhaust gas discharged by the automobile running contains various harmful components such as CO, NO, SO2, aldehydes, organic compounds, hydrocarbon and the like, pollutes the air in a tunnel, and also causes great threat to the health of human bodies. Meanwhile, the visibility in the tunnel can be reduced due to the accumulation of air pollutants and dust raising, and driving safety is prevented. Ventilation is an important means of removing harmful gases, fumes and dust from tunnels, creating a safe, healthy, comfortable environment for the tunnel space, typically by fans. The design and the selection of the tunnel fan are determined according to the tunnel air quantity required by the working conditions such as CO, smoke dust, peculiar smell removal, traffic retardation, disaster prevention requirements and the like in a dilution tunnel when the tunnel is in normal operation, and a certain margin exists compared with the air quantity required by actual operation. The current ventilation control method generally takes time period and experience as judgment basis, adopts a numerical control method to totally start or stop a jet fan, and has the advantages of lag ventilation control, single control means, low operation efficiency, unclear effect and higher energy consumption, and is not in line with the development trend of the transportation industry.
Disclosure of Invention
The invention aims to solve the technical problems that: how to realize the accurate control to the environment in the highway tunnel, reduce the fan energy consumption in the tunnel operation period, and provide a highway tunnel environment control device and method.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a highway tunnel environment control device, includes sensor module, control module and fan system module, fan system module sets up the middle part in tunnel entrance side, fan system module one side and upper portion are equipped with sensor module, gather the data signal of visibility in the tunnel, CO concentration, NO2 concentration, particulate matter concentration by sensor module to convey this data signal to control module through data transmission device, control module output control signal gives fan system module for control fan system module work.
Further, the sensor module includes a CO sensor, a VI sensor, a PM sensor, a temperature sensor, a NO2 sensor.
Further, the control module includes a control box and a power supply.
Further, the fan system module comprises a first variable frequency jet fan, a second variable frequency jet fan and a third variable frequency jet fan.
A highway tunnel environment control method adopts a highway tunnel environment control device, which comprises the following specific steps:
the first step: the control module controls the fan system module to operate at the lowest air quantity, and the second step is performed;
and a second step of: the controller module reads the signal value of the sensor module, the concentration of CO read by the CO sensor is c1, the visibility read by the VI sensor is v1, the concentration of particulate matters read by the PM sensor is p1, the temperature read by the temperature sensor is t1, the concentration read by the NO2 sensor is r1, the preset concentration of CO of the control module is limited to c, the visibility is v, the concentration of particulate matters is p, the temperature is t, the concentration of NO2 is r, and the third step is carried out;
and a third step of: the control module judges whether the value read by the sensor meets the conditions of c1< c, t1< t, p1< p, r1< r, v1< v, if not, the fourth step is carried out; if yes, entering a fifth step;
fourth step: the control module increases the air quantity of a primary fan in the fan system module and enters the second step;
fifth step: the control module judges whether the values read by the sensor meet the conditions of c1<0.6c, t1<0.6t, p1<0.6p, r1<0.6r and v1<0.6v, if the values enter the sixth step, if the values do not meet the conditions, the seventh step is entered;
sixth step: the control module reduces the air quantity of a primary fan in the fan system module and enters a second step;
seventh step: the control module maintains the current air quantity to run.
The beneficial effects of the invention are as follows:
the highway tunnel environment control device and the highway tunnel environment control method can realize the environment control of the highway tunnel, ensure the visibility, the CO concentration, the NO2 concentration, the particulate matter concentration and the temperature in the tunnel to be maintained in a reasonable range, and simultaneously can save the energy consumption of a fan.
Drawings
FIG. 1 is a schematic diagram of a highway tunnel environment control device;
FIG. 2 is a schematic diagram of a highway tunnel environmental control system installation;
fig. 3 is a flowchart of the operation of the highway tunnel environment control device.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
As shown in fig. 1 to 3, a highway tunnel environment control device of the present invention includes a sensor module 1, a control module 2, and a fan system module 3. The control module 2 is connected with the sensor module 1 through a data transmission device and is connected with the fan system module 3, the fan system module 3 is arranged in the middle of the tunnel inlet side, the sensor module 1 is arranged on one side of the fan system module 3, and the fan system module 3 is arranged at the bottom of the sensor module 1.
The sensor module 1 comprises a CO sensor, a VI (visibility) sensor, a PM (particulate matter) sensor, a temperature sensor, a NO2 sensor. The control module 2 consists of a control box and a power supply. The fan system module 3 comprises a first variable frequency jet fan, a second variable frequency jet fan and a third variable frequency jet fan.
As shown in fig. 1, the highway tunnel environment control device is composed of a sensor module 1, a fan system module 2 and a control module 3. The sensor module 1 consists of a CO sensor, a VI (visibility) sensor, a PM (particulate matter) sensor, a temperature sensor, an NO2 sensor and corresponding data transmission lines; the fan system module 2 consists of a first variable-frequency jet fan, a second variable-frequency jet fan and a third variable-frequency jet fan; the control module 3 is composed of a control box and a power supply, is connected with the sensor module through a data transmission line and is electrically connected with the fan module, and the control box can read data of each sensor and control the rotating speed of the fan by controlling the frequency of the variable-frequency fan.
The method for controlling the air quantity of the fan comprises the following steps: the frequency and the number of the opened variable-frequency jet fans are controlled by the controller to change the air quantity. When all three fans are operated at the maximum frequency, the air quantity is maximum, and when only one fan is started and operated at the minimum frequency, the air quantity is minimum. The controller sets different frequencies through programs, and can realize the hierarchical regulation of the air quantity.
As shown in fig. 2, the tunnel may be divided into several modules, each controlled by one highway tunnel environment control system. The fan module is installed in tunnel traffic flow upstream, blows to tunnel downstream, and the sensor module is installed in the place of fan module unfavourable distance, and control module installs by the sensor module.
As shown in fig. 3, it is assumed that the CO concentration read by the CO sensor is c1, the visibility read by the VI sensor is v1, the particulate matter concentration read by the PM sensor is p1, the temperature read by the temperature sensor is t1, the concentration read by the NO2 sensor is r1, the CO concentration preset by the controller is limited to c, the visibility is v, the particulate matter concentration is p, the temperature is t, and the NO2 concentration is r during actual operation.
The control method of the highway tunnel environment control system comprises the following steps:
first step 001: the controller controls the fan to operate at the lowest air quantity, and the second step 002 is performed;
second step 002: the controller reads in the signal values c1, t1, p1, r1 and v1 of each sensor and enters a third step 003;
third step 003: the controller judges whether the value read by the sensor meets the condition that c1< c, t1< t, p1< p, r1< r, v1< v, if not, the fourth step 004 is carried out; if yes, entering a fifth step 005;
fourth step 004: the controller increases the air quantity of the primary fan and enters a second step 002;
fifth step 005: the controller judges whether the values read by the sensor meet the conditions of c1<0.6c, t1<0.6t, p1<0.6p, r1<0.6r and v1<0.6v, if so, the sixth step 006 is entered; if not, go to a seventh step 007;
sixth step 006: the controller reduces the air quantity of the primary fan and enters a second step 002;
seventh step 007: the controller maintains the current air quantity to run.
Claims (2)
1. The utility model provides a highway tunnel environment control device which characterized in that: the intelligent air conditioner comprises a sensor module, a control module and a fan system module, wherein the fan system module is arranged in the middle of an inlet side of a tunnel, the sensor module is arranged on one side and the upper part of the fan system module, and the sensor module is used for collecting visibility, CO concentration and NO in the tunnel 2 The control module outputs a control signal to the fan system module for controlling the fan system module to work; the fan system module comprises a first variable-frequency jet fan, a second variable-frequency jet fan and a third variable-frequency jet fan; the control module reads the visibility value, the CO concentration value and the NO in the acquisition tunnel through the judgment sensor 2 The concentration value, whether the concentration value of the particulate matters meets the frequency smaller than a set value to control the three variable-frequency jet fansThe air quantity is changed by the rate and the number of opened tunnels, so that the environment control of the highway tunnel can be realized, and the visibility, the CO concentration and the NO in the tunnel are ensured 2 The concentration, the concentration of the particles and the temperature are maintained within the allowable range, and meanwhile, the energy consumption of a fan can be saved; the sensor module comprises a CO sensor, a VI sensor, a PM sensor, a temperature sensor and NO 2 A sensor; the control method adopting the highway tunnel environment control device comprises the following specific steps:
the first step: the control module controls the fan system module to operate at the lowest air quantity, and the second step is performed;
and a second step of: the controller module reads in signal values of the sensor module, the concentration of CO read by the CO sensor is c1, the visibility read by the VI sensor is v1, the concentration of particulate matter read by the PM sensor is p1, the temperature read by the temperature sensor is t1, and NO 2 The concentration read by the sensor is r1, the concentration of CO preset by the control module is limited to be c, the visibility is v, the concentration of particulate matters is p, the temperature is t and NO 2 The concentration is r, and the third step is carried out;
and a third step of: the control module judges whether the value read by the sensor meets the conditions of c1< c, t1< t, p1< p, r1< r, v1< v, if not, the fourth step is carried out; if yes, entering a fifth step;
fourth step: the control module increases the air quantity of a primary fan in the fan system module and enters the second step;
fifth step: the control module judges whether the values read by the sensor meet the conditions of c1<0.6c, t1<0.6t, p1<0.6p, r1<0.6r and v1<0.6v, if the values enter the sixth step, if the values do not meet the conditions, the seventh step is entered;
sixth step: the control module reduces the air quantity of a primary fan in the fan system module and enters a second step;
seventh step: the control module maintains the current air quantity to run.
2. The highway tunnel environment control device of claim 1, wherein: the control module comprises a control box and a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070300.1A CN114876550B (en) | 2022-01-21 | 2022-01-21 | Highway tunnel environment control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070300.1A CN114876550B (en) | 2022-01-21 | 2022-01-21 | Highway tunnel environment control device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114876550A CN114876550A (en) | 2022-08-09 |
| CN114876550B true CN114876550B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210070300.1A Active CN114876550B (en) | 2022-01-21 | 2022-01-21 | Highway tunnel environment control device and method |
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| CN (1) | CN114876550B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4266124B2 (en) * | 2003-04-22 | 2009-05-20 | 株式会社東芝 | Tunnel ventilation control system |
| CN102661284A (en) * | 2012-05-30 | 2012-09-12 | 中铁一局集团有限公司 | Energy-saving running control system and method for tunnel construction ventilation system |
| CN110374656B (en) * | 2019-08-09 | 2022-01-11 | 万泰（苏州）环境科技有限公司 | Tunnel construction ventilation method and system |
| CN213092137U (en) * | 2020-09-30 | 2021-04-30 | 中电建路桥集团有限公司 | Sponge city big data monitoring system |
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- 2022-01-21 CN CN202210070300.1A patent/CN114876550B/en active Active
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| CN114876550A (en) | 2022-08-09 |
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