CN212360270U - Intelligent utility tunnel ventilation blower control system - Google Patents
Intelligent utility tunnel ventilation blower control system Download PDFInfo
- Publication number
- CN212360270U CN212360270U CN202020797293.1U CN202020797293U CN212360270U CN 212360270 U CN212360270 U CN 212360270U CN 202020797293 U CN202020797293 U CN 202020797293U CN 212360270 U CN212360270 U CN 212360270U
- Authority
- CN
- China
- Prior art keywords
- control system
- utility tunnel
- ventilator
- switchboard
- data
- 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
Images
Abstract
The utility model provides an intelligent utility tunnel ventilation blower control system, including PLC control system, the ventilation blower, gas induction probe, the data acquisition switchboard, a data processor, display terminal, gas induction probe is laid on the inner wall of utility tunnel according to utility tunnel's length, gas induction probe detectable methane, gas concentration such as carbon monoxide, set up above-mentioned gas concentration limit value, it accords with the industrial standard to hang the height, increase gas induction probe in the place of turning round, all gas probe data are gathered through the data acquisition switchboard and are collected, analyze data through the data processor, show at display terminal, when above-mentioned harmful gas concentration transfinites, display terminal reports to the police and sends signals and shows the position that the alarm point was located, PLC control system is according to alarm point signal automatic start position ventilation blower around the transfinite point, make harmful gas concentration reduce, achieving the purpose of safety.
Description
Technical Field
The utility model relates to a PLC control system, especially a system that utility tunnel harmful gas monitoring control ventilation blower opened and closed.
Background
Along with the large-scale development of the construction of the comprehensive pipe gallery in China, the early-stage investment of the comprehensive pipe gallery is large, the construction period is long, the operation and maintenance period of the newly constructed comprehensive pipe gallery engineering of a city needs to be as long as 100 years according to the requirements of national standard GB50838-2015 of the people's republic of China on the technical specification of the engineering of the urban comprehensive pipe gallery, higher requirements are provided for the maintenance and operation of the comprehensive pipe gallery, meanwhile, the comprehensive pipe gallery belongs to underground concealed engineering, a city main road, a sidewalk, a flower bed and the like are covered on the comprehensive pipe gallery and are in a closed space state after being constructed, pipelines in the comprehensive pipe gallery need to be patrolled by manpower in daily life, the types of pipelines in the comprehensive pipe gallery are various, the heating phenomenon exists among various pipelines, certain harmful gas can be generated, meanwhile, the comprehensive pipe gallery can also cause the accumulation of a large amount of harmful gas due to unsmooth ventilation, the concentration of harmful gas is beyond the limit and reaches a certain concentration, which is difficult to find, and the concentration causes serious damage to the safety of inspection personnel and even death accidents.
In the accumulation of avoiding the inside harmful gas of utility tunnel, utility tunnel maintains the operation unit and can only regularly ventilate to whole utility tunnel, harmful gas is diluted in can guaranteeing the utility tunnel after all ventilation systems open, guarantee operation maintenance personal safety, but opening of whole ventilation systems causes the loss of electric energy again to a certain extent, cause the waste of resource, ventilation equipment in the utility tunnel is mostly the mode of deciding frequently again, also do not benefit to ventilation equipment's energy-conservation.
The gas concentration monitoring technology in China is mature and widely applied, a large number of gas induction probes are arranged in the environment of a production area in the traditional industries such as the chemical industry and the coal industry, and a good effect is achieved.
The PLC control system is widely applied to various industries such as steel, petroleum, chemical industry, electric power, building materials, mechanical manufacturing, automobiles, light textile, transportation, environmental protection, cultural entertainment and the like, is specially designed for industrial production, adopts a programmable memory for storing programs therein, executing logic operation, sequential control, timing, counting, arithmetic operation and other instructions facing users, controls various types of machinery or production processes through digital or analog input/output, is a core part of industrial control, and is fused with a gas detection system, so that the utilization efficiency of ventilation system equipment is effectively promoted, and the energy consumption is reduced.
In order to master the gas category and the harmful gas concentration in the comprehensive pipe rack and ensure the safety of operation and maintenance personnel, the prior art has the defects of low precision, large energy consumption and the like, and needs to be further improved.
Disclosure of Invention
The utility model provides a not enough to above-mentioned prior art, the utility model aims at providing an intelligent utility tunnel ventilation control system, it is onerous to solve current utility tunnel operation maintenance task, and the harmful gas monitoring is discontinuous, extravagant a large amount of energy resource consumption, produces the dangerous problem of harm to operation maintenance personal safety.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is:
an intelligent comprehensive pipe gallery ventilation control system comprises a PLC control system, a ventilator, a display terminal, a data processor, a data acquisition switchboard and harmful gas probes, wherein the harmful gas probes are uniformly distributed according to the length of a comprehensive pipe gallery, harmful gas probe groups are added in temporary places such as equipment rooms, turning places, slope changing places and the like, the harmful gas probe groups are arranged on the top plates of the places of the comprehensive pipe gallery and are firmly suspended, the harmful gas probe groups comprise probes such as carbon monoxide, carbon dioxide, hydrogen sulfide, methane and the like, the sensitivity of each group of probes is higher, the ventilator is applied to the ventilation equipment of the original comprehensive pipe gallery, the motor of the ventilation system is controlled, the air volume of the ventilation machine meets requirements, harmful gas can be diluted in a short time, the air quality is guaranteed to meet the requirements of personnel, and the PLC control system controls the start and stop of the ventilation system by receiving an overrun gas alarm signal.
Preferably, the display terminal, the data processor and the data acquisition switchboard are sequentially connected in a communication manner, and each harmful gas probe is connected with the data acquisition switchboard in a communication manner.
Preferably, the system also comprises a WiFi network, the harmful gas probe group is in communication connection with the data acquisition switchboard through an optical fiber, and the data acquisition switchboard and the data processor are in communication connection through the WiFi network.
Preferably, the harmful gas probe groups are arranged at equal intervals, the number of the harmful gas probe groups is increased at a special place, and effective control can be achieved at all places.
Preferably, the PLC control system comprises a signal receiver, a signal converter and a fixed-point ventilator controller, and in order to ensure that the system can transmit data to an operation maintenance system, encoding is carried out according to a currently common tcpip framework protocol in the software development process, so that the reliability of data transmission is ensured.
Preferably, the harmful gas probe group adopts a high-precision sensor, the sensitivity of the sensor is high, the accuracy of monitoring data is guaranteed, and meanwhile, the data processor is combined with a PLC control system in a hardware system, so that the rotating speed or the start and stop of the ventilator can be conveniently controlled.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Drawings
Fig. 1 is the utility model relates to an intelligent utility tunnel ventilation control system flow schematic diagram.
Fig. 2 is the utility model relates to an intelligent utility tunnel ventilation control system feedback flow schematic diagram.
In the figure: 1-a display terminal, 2-a data processor, 3-a data acquisition switchboard, 4-a harmful gas detection head group and 5-a PLC control system; 6-ventilator.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
combine figure 1, an intelligent utility tunnel ventilation control system, including display terminal 1, data processor 2, data acquisition switchboard 3, harmful gas probe group 4, PLC control system 5 and ventilation blower 6, display terminal 1, data processor 2, data acquisition switchboard 3 communicate in proper order and link to each other, and each harmful gas probe group 4 links to each other with data acquisition switchboard 3 communication respectively, harmful gas probe group 4 has a plurality ofly, evenly hangs on the utility tunnel roof, increases the quantity of harmful gas probe group in the special place.
The utility model provides an intelligent utility tunnel ventilation system still includes the wiFi network, passes through between data acquisition switchboard 3 and the data processor 2 wiFi network communication connection. The data processor judges according to various harmful gas concentrations and limit values, if the concentrations of harmful gases (carbon monoxide, hydrogen sulfide, methane, carbon dioxide and the like) exceed the limits, an alarm is generated at the display terminal and sent to the PLC control system, a signal receiver in the PLC control system acts and sends signals in the signal receiver to the control module through conversion signals, the control module starts a ventilator near an alarm point, the harmful gases in the comprehensive pipe gallery can be gradually diluted after the ventilator is started, the data monitored by the harmful gas probe set in the limit exceeding area are gradually reduced at the moment, the data are analyzed by the data processor and fed back to the PLC control system, and the PLC control system sends out signals to stop running the ventilator.
Every harmful gas probe group includes probes such as carbon monoxide, carbon dioxide, hydrogen sulfide, methane, and the probe hangs on utility tunnel's roof according to the density hierarchy of gas, hangs firmly, prevents that the ventilation blower operation from producing great wind current and producing the damage to harmful gas probe group, and harmful gas probe group in the utility tunnel is connected with the data acquisition switchboard through communication optic fibre, ensures data transmission's accuracy.
PLC control system includes signal receiver, signal converter, control module, produce alarm signal when harmful gas concentration transfinites, the signal receiver in the PLC control system is given in the alarm signal transport, signal receiver received signal passes through signal converter, signal converter takes place the action, make control module send action signal, send and start the regional ventilation blower of transfiniting, the ventilation blower starts, the rotational speed of ventilation blower can be adjusted according to the concentration of the regional gas of transfiniting, ensure that harmful gas can in time blow off promptly, can ensure the energy saving again.
After the ventilator is started, the harmful gas in the overrun area is diluted, the harmful gas probe group transmits signals, the signals are collected by the data collection switchboard and then processed by the data processor, buzzing is sent out at the display terminal, the alarm is relieved, the signals are fed back to the PLC control system, the PLC control system receives the signals, and the ventilator stops running.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples.
Changes, modifications, additions or substitutions within the scope and spirit of the present invention should also be considered as within the scope of the present invention.
Claims (6)
1. The utility model provides an intelligent utility tunnel ventilation blower control system, including PLC control system, the ventilation blower, gaseous inductive probe, data acquisition switchboard, data processor, display terminal, a serial communication port, gaseous inductive probe evenly lays on utility tunnel's inner wall according to utility tunnel's length difference, gaseous inductive probe measurable quantity methane, carbon dioxide, carbon monoxide, harmful gas concentration such as hydrogen sulfide, data acquisition switchboard collection data is behind data processor handles, the gas production that exceeds the limit to the concentration reports to the police, PLC control system receives alarm signal, the regional ventilation blower action of control warning ventilates.
2. The intelligent utility tunnel ventilator control system of claim 1, wherein the display terminal, the data processor, and the data collection switchboard are in communication connection in sequence, and each gas sensing probe is in communication connection with the data collection switchboard.
3. The intelligent utility tunnel ventilator control system of claim 1, further comprising a feedback system, wherein the PLC control system controls the ventilator to be turned on and off, the harmful gas concentration is out of limit, the ventilator is turned on, the harmful gas concentration is reduced within a safe range, and the ventilator is turned off.
4. The intelligent utility tunnel ventilator control system of claim 1, wherein the gas sensing probe is communicatively connected to the data acquisition switchboard, the data processor, and the display terminal via optical fibers.
5. The intelligent utility tunnel ventilator control system of claim 1, wherein the ventilator is frequency-variable controlled, and the rotational speed of the ventilator is controlled according to the concentration of harmful gases.
6. The intelligent utility tunnel ventilator control system of claim 1 wherein the gas probes installed at the installation site can detect harmful gases such as methane, carbon monoxide, carbon dioxide, hydrogen sulfide, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020797293.1U CN212360270U (en) | 2020-05-14 | 2020-05-14 | Intelligent utility tunnel ventilation blower control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020797293.1U CN212360270U (en) | 2020-05-14 | 2020-05-14 | Intelligent utility tunnel ventilation blower control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212360270U true CN212360270U (en) | 2021-01-15 |
Family
ID=74149591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020797293.1U Active CN212360270U (en) | 2020-05-14 | 2020-05-14 | Intelligent utility tunnel ventilation blower control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212360270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113409551A (en) * | 2021-06-28 | 2021-09-17 | 中国建筑第八工程局有限公司 | Underground utility tunnel carbon dioxide concentration detecting instrument |
-
2020
- 2020-05-14 CN CN202020797293.1U patent/CN212360270U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113409551A (en) * | 2021-06-28 | 2021-09-17 | 中国建筑第八工程局有限公司 | Underground utility tunnel carbon dioxide concentration detecting instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102831753A (en) | Solar gas detecting and alarming system | |
| CN209690749U (en) | A kind of cable duct well environment comprehensive monitoring and prior-warning device | |
| CN107340125A (en) | Three-dimensional modeling and data monitoring system for the existing pipeline in underground | |
| CN212360270U (en) | Intelligent utility tunnel ventilation blower control system | |
| CN109140242B (en) | Online monitoring and ventilation linkage control method for gas cabin of comprehensive pipe rack | |
| CN212112199U (en) | Underground water remote monitoring system | |
| CN202748914U (en) | Solar-energy gas-detection alarm system | |
| CN201417277Y (en) | Gas safety detection monitoring system | |
| CN106970564A (en) | A kind of cable shaft ditch on-line monitoring system and method | |
| CN204178174U (en) | A kind of intelligent remote detection and control terminal | |
| CN204302750U (en) | A kind of parking systems automatic control system and parking systems | |
| CN206249054U (en) | Biogas fermentation engineering online monitoring alarm system | |
| CN205375128U (en) | Coal mine safety monitoring information system based on PLC control | |
| CN117253335A (en) | Intelligent monitoring and early warning system for fuel system | |
| CN205135712U (en) | Coal mine safety monitoring system | |
| CN209248304U (en) | A kind of SCM Based substation's remote intelligent monitoring system | |
| CN103061812A (en) | Remote security monitoring system of ventilation shaft of coal mine | |
| CN202031579U (en) | Field detection system for gas drilling | |
| CN205091407U (en) | Power transformer running state monitoring system | |
| CN109001399A (en) | A kind of equipment of sewage monitoring | |
| CN204790490U (en) | Central heating desulfurization dust removal automatic control system | |
| CN111722583A (en) | Intelligent remote control system for mine electromechanical equipment | |
| CN106371378A (en) | Online monitoring alarm system for biogas fermentation engineering | |
| CN203149385U (en) | Integrated monitoring system for tunnel construction and operation | |
| CN206529798U (en) | Piping lane unit is laid in a kind of municipal works |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent fan control system for comprehensive pipe gallery Effective date of registration: 20210715 Granted publication date: 20210115 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Licheng sub branch Pledgor: Kaifeng wisdom (Shandong Province) Municipal Engineering Co.,Ltd. Registration number: Y2021370000088 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220507 Granted publication date: 20210115 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Licheng sub branch Pledgor: Kaifeng wisdom (Shandong Province) Municipal Engineering Co.,Ltd. Registration number: Y2021370000088 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent fan control system for comprehensive pipe gallery Effective date of registration: 20220511 Granted publication date: 20210115 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Licheng sub branch Pledgor: Kaifeng wisdom (Shandong Province) Municipal Engineering Co.,Ltd. Registration number: Y2022980005324 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230512 Granted publication date: 20210115 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Licheng sub branch Pledgor: Kaifeng wisdom (Shandong Province) Municipal Engineering Co.,Ltd. Registration number: Y2022980005324 |