CN209373379U - Underground pipe gallery environmental monitoring and draft fan control system - Google Patents
Underground pipe gallery environmental monitoring and draft fan control system Download PDFInfo
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- CN209373379U CN209373379U CN201822071238.XU CN201822071238U CN209373379U CN 209373379 U CN209373379 U CN 209373379U CN 201822071238 U CN201822071238 U CN 201822071238U CN 209373379 U CN209373379 U CN 209373379U
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Abstract
The utility model discloses a kind of underground pipe gallery environmental monitoring and draft fan control systems, it includes environmental data collecting unit, main control unit, communication unit and digital output modul unit, and environmental data collecting unit will be transported to main control unit after sampled-data processing；Collected intelligence sample signal is transferred to main control unit by digital output modul unit；Sampled data is transferred on monitor supervision platform and operating personnel's PDA handheld terminal by main control unit, after sampled signal and preset environmental index sampling alarm threshold value are compared monitor supervision platform, control signal is transferred to main control unit again, blower start-stop is controlled by the power of fan unit controlled based on PWM, the start and stop of accident warning device and smoke-and fire-preventing valve are controlled by digital output modul unit.The utility model grasps environmental aspect in piping lane convenient for long-range monitoring and operator in time, and the start and stop of blower are easily controlled with multiple control modes, suitable working environment is provided for piping lane.
Description
Technical field
The utility model relates to enviromental monitoring equipment technical field, specifically a kind of underground pipe gallery environmental monitoring
And draft fan control system.
Background technique
Underground pipe gallery be built in Urban Underground for concentrate lay electric power, communication, radio and television cable and water supply,
The public tunnel space of the municipal pipelines such as blowdown, heating power, combustion gas is the main artery for ensureing urban stability operation.Piping lane Lang Tichu
Under closely, atmosphere draught-free, dust are larger and defence area is sultry, and natural gas line, blow-off line, height are incorporated in piping lane
Piezoelectric forces cable etc. is also easy to produce the pipeline of danger source, to service personnel, pipeline and piping lane equipment there is security risk, needs to match
It is standby to monitor piping lane environment automatically and for exception information intelligence control system, detection and improvement environment.
Currently, the volume of piping lane fire compartment monitoring device, controlled plant and region control unit (ACU) is larger, installation
Position is more dispersed, and farther out, signal is transmitted vulnerable to interference the distance of equipment room, unfavorable to environmental Kuznets Curves.Existing monitor supervision platform
Piping lane blower start and stop are controlled by the I/O module of region control unit, if region control unit is faulty, blower not by
Control, easily causes environment exacerbated.The working method of blower is straight Qi Zhiting, and unadjustable revolving speed is big to the impact of power grid, is made
At excessive waste of energy.
Utility model content
The purpose of the utility model is to provide a kind of underground pipe gallery environmental monitoring and draft fan control systems, with solution
Certainly distance farther out, transmits signal vulnerable to interference between each function device of piping lane, and blower is uncontrolled, and piping lane construction wiring difficulty is big
The problem of.
In order to solve the above technical problems, technical solution adopted in the utility model are as follows:
A kind of underground pipe gallery environmental monitoring and draft fan control system, it includes main control unit, the master control list
Member is connected with environmental data collecting unit and digital output modul unit, main control unit by communication unit and monitor supervision platform and
PDA handheld terminal is connected, and main control unit is also connected with controlled source output unit, and the environmental data collecting unit is external
Environmental data sensor probe, after detected sampled data is transferred to environmental data collecting unit, by environmental data
A/D converter is handled in acquisition unit, and sampled data is transported to main control unit；Digital output modul unit and setting are in piping lane
The smoke alarm unit at each position to be monitored, fire compartment control button are connected with invasion detecting device, digital output modul
Unit passes the sampled signal of collected smog alarm information, fire compartment control button status information and intrusion detection information
It is defeated by main control unit；Sampled data is analyzed and passes through the optical-fibre communications channel transfer in communication unit and put down to monitoring by main control unit
Platform, while by Zigbee wireless communication transmission on operating personnel's PDA handheld terminal, monitor supervision platform is by sampled signal and presets
Environmental index sampling alarm threshold value be compared after, then control signal is transferred to main control unit, main control unit again will
Control signal is transferred to the power of fan unit based on PWM control, controls blower start-stop, while main control unit believes control
It number is transferred to digital output modul unit, and then controls the start and stop of accident warning device and smoke-and fire-preventing valve.
Preferably, the power of fan unit based on PWM control is provided with blower bypass, and the control of blower bypass passes through
Communication line is connected with communication unit, after main control unit analyzes and determines the power of fan unit controlled based on PWM damage, from
Dynamic starting blower bypass, or started by PDA handheld terminal.
Preferably, the power supply of the present apparatus is alternating current 400V power supply, and power bus is connected with collection filtering protection location,
It is transported to controlled source output unit by the collection filtering filtered power supply signal of protection location, controlled source output unit includes
The D.C. regulated power supply of AC400V alternating current steady voltage plug and multichannel DC0-48V all the way containing collection isolation；AC400V AC voltage-stabilizing
Power supply supplies to control power of fan unit, frequency control draft fan based on PWM；DC24V D.C. regulated power supply is inside this system
And smoke-and fire-preventing valve power supply, DC0-48V D.C. regulated power supply be mounted on monitoring system near this system, wireless AP devices supply
Electricity.
Preferably, the sensor in the environmental data collecting unit includes oxygen concentration sensor, concentration of hydrogen sulfide biography
Sensor, sensing methane concentration device, temperature sensor and humidity sensor.
When the utility model is used, blower start and stop include following control mode:
(1) by PDA handheld terminal or monitor supervision platform according to the start-stop time of the Environment Design of piping lane blower per hour；
It (2), can be by being based on PWM when one of sensor data collected are more than that piping lane operates normally data
The power of fan unit starting blower of control works, until piping lane environmental parameter reaches normal；
(3) after the triggering of intrusion detection signal, blower starts automatically, and sends monitoring by main control unit for invasion signal
Platform and PDA handheld terminal；
(4) after the triggering of smoke monitoring signal, environment temperature increase, the alternating current in controlled source output unit is disconnected
Source, blower is out of service, and smoke-and fire-preventing valve is automatically closed, and alarm signal is delivered to monitor supervision platform and PDA handheld terminal, waits confirmation
Smoke-and fire-preventing valve is opened by monitor supervision platform or authorized PDA handheld terminal after fire suppression, starts blower, work to piping lane
Environmental parameter reaches normal；
(5) blower can be directly initiated by monitor supervision platform, PDA handheld terminal and fire compartment control button.
The course of work of the self-checking system of the utility model are as follows:
Pass through environmental data collecting unit, communication unit, the controlled source output unit, fan operation in the utility model
Data and smoke-and fire-preventing valve status feedback signal etc. judge whether the utility model breaks down, and normal built in main control unit
See fault parameter, integrates expert scene for analysis and the solution of breaking down, accident analysis and solution are sent to
Check failure service personnel PDA handheld terminal and monitor supervision platform on, service personnel according to provided solution one by one
It checks and solves failure；If can not still solve according to the method described above, the authorization of promoting menstruation monitor supervision platform can upload failure diagnosis information
It is sent to the cloud information bank of the utility model, pops up design drawing relevant to current failure in the monitoring page of current failure device
Paper, product information and record of examination etc., the maintenance of service personnel's further progress.At the same time, monitor supervision platform can be by logical
It interrogates the bypass of route blower and carries out start-up and shut-down control.
The utility model has the following beneficial effects:
(1) the utility model will by environmental data collecting unit, main control unit, digital output modul unit and communication unit
Environmental parameter real-time Transmission in piping lane is to monitor supervision platform and the PDA handheld terminal of operator, convenient for long-range monitoring and operation
Personnel grasp environmental aspect in piping lane in time, and the start and stop of blower are easily controlled with multiple control modes, and it is suitable to provide for piping lane
Working environment；
(2) main control unit is direct by the PDA handheld terminal of from Zigbee wireless telecommunications to operator in the utility model
Transport environment information facilitates the inspection operation of service personnel, has ensured the safety of service personnel；
(3) the built-in power of fan unit variable frequency regulating speed control blower based on PWM control of the utility model, avoids blower
The impact caused by power grid is directly initiated, reduces influence of the blower frequent start-stop to service life of fan, has saved electric energy；
(4) the utility model provides pressure stabilizing exchange by collection filtering protection location and controlled source output unit for blower
Power supply is inside this system, the equipment power supply such as smoke-and fire-preventing valve, the monitoring system being mounted near this system, wireless aps, saves
Piping lane headspace, has saved cable, has alleviated construction volume, reduce fault point, while reducing signal interference.
Detailed description of the invention
Fig. 1 is the connection block diagram of the utility model.
In figure: 1, collection filtering protection location, 2, environmental data collecting unit, 3, controlled source output unit, 4, master control list
Member, 5, the power of fan unit based on PWM control, 6, communication unit, 7, digital output modul unit, 10, communication line.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
A kind of underground pipe gallery environmental monitoring as shown in Figure 1 and draft fan control system, it includes main control unit
4, main control unit 4 is connected with environmental data collecting unit 2 and digital output modul unit 7, and main control unit 4 passes through communication unit 6
It is connected with monitor supervision platform and PDA handheld terminal, main control unit 4 is also connected with controlled source output unit 3, and environmental data is adopted
Collection unit 2 is connected with the array sensor that each position to be monitored of piping lane is arranged in, and sensor is by detected hits
It after being transferred to environmental data collecting unit 2, is handled by A/D converter in environmental data collecting unit 2, and by sampled data
It is transported to main control unit 4；Digital output modul unit 7 and smoke alarm unit, the fire prevention that each position to be monitored of piping lane is set
Zonal control button is connected with invasion detecting device, and digital output modul unit 7 divides collected smog alarm information, fire prevention
The sampled signal of area's control button status information and intrusion detection information is transferred to main control unit；Main control unit 4 is by sampled data
It analyzes and passes through the optical-fibre communications channel transfer in communication unit 6 to monitor supervision platform, while passing through Zigbee wireless communication transmission
To on operating personnel's PDA handheld terminal, monitor supervision platform compares sampled signal and preset environmental index sampling alarm threshold value
It is transferred to main control unit 4 after analysis, then by control signal, main control unit 4 will control signal again and be transferred to based on PWM control
Power of fan unit 5 controls blower start-stop, while main control unit 4 is transferred to digital output modul unit 7 for signal is controlled,
And then control the start and stop of accident warning device and smoke-and fire-preventing valve.
Power of fan unit 5 based on PWM control is provided with blower bypass, and the control of blower bypass passes through communication line 10
It is connected with communication unit 6, after main control unit 4 analyzes and determines that the power of fan unit 5 controlled based on PWM is damaged, opens automatically
Dynamic blower bypass, or started by PDA handheld terminal.
The power supply of the present apparatus is alternating current 400V power supply, and power bus is connected with collection filtering protection location 1, by collection
The filtering filtered power supply signal of protection location 1 is transported to controlled source output unit 3, and controlled source output unit 3 includes one
Contain the AC400V alternating current steady voltage plug of collection isolation and the settable D.C. regulated power supply of multichannel DC0-48V in road；AC400V exchange
Regulated power supply supplies to control power of fan unit 5, frequency control draft fan based on PWM；DC24V D.C. regulated power supply is this system
The power supply of internal and smoke-and fire-preventing valve, DC0-48V D.C. regulated power supply is that monitoring system, the wireless aps being mounted near the present apparatus are set
Available electricity.
Sensor in environmental data collecting unit 2 includes that oxygen concentration sensor, concentration of hydrogen sulfide sensor, methane are dense
Spend sensor, temperature sensor and humidity sensor.
The pre-set environmental index of the utility model main control unit samples alarm threshold value are as follows: oxygen concentration 19.5%-
23.5%, concentration of hydrogen sulfide alarm limits are 4%, and methane concentration alarm limits are 5%, and temperature alarming limit value is 42 °, humidity alarm
Limit value is 80%.
When the utility model is used, blower start and stop include following control mode:
(1) by PDA handheld terminal or monitor supervision platform according to the start-stop time of the Environment Design of piping lane blower per hour；
It (2), can be by being based on PWM when one of sensor data collected are more than that piping lane operates normally data
The power of fan unit 5 of control starts blower work, until piping lane environmental parameter reaches normal；
(3) after the triggering of intrusion detection signal, blower starts automatically, and sends prison by main control unit 4 for invasion signal
Control platform and PDA handheld terminal；
(4) after the triggering of smoke monitoring signal, environment temperature increase, the alternating current in controlled source output unit 3 is disconnected
Source, blower is out of service, and smoke-and fire-preventing valve is automatically closed, and alarm signal is delivered to monitor supervision platform and PDA handheld terminal, waits confirmation
Smoke-and fire-preventing valve is opened by monitor supervision platform or authorized PDA handheld terminal after fire suppression, starts blower, work to piping lane
Environmental parameter reaches normal；
(5) blower can be directly initiated by monitor supervision platform, PDA handheld terminal and fire compartment control button.
The utility model will be managed by environmental data collecting unit, main control unit, digital output modul unit and communication unit
Environmental parameter real-time Transmission in corridor is to monitor supervision platform and the PDA handheld terminal of operator, convenient for long-range monitoring and operator
Member grasps environmental aspect in piping lane in time, the start and stop of blower is easily controlled with multiple control modes, it is suitable to provide for piping lane
Working environment.
Claims (4)
1. a kind of underground pipe gallery environmental monitoring and draft fan control system, it includes main control unit (4), the master control list
First (4) are connected with environmental data collecting unit (2) and digital output modul unit (7), and main control unit (4) passes through communication unit
(6) it is connected with monitor supervision platform and PDA handheld terminal, main control unit (4) is also connected with controlled source output unit (3),
Be characterized in that: the external environmental data sensor probe of environmental data collecting unit (2) passes detected sampled data
It after being defeated by environmental data collecting unit (2), is handled by A/D converter in environmental data collecting unit (2), and by sampled data
It is transported to main control unit (4)；Digital output modul unit (7) be arranged in each position to be monitored of piping lane smoke alarm unit,
Fire compartment control button is connected with invasion detecting device, digital output modul unit (7) by collected smog alarm information,
The sampled signal of fire compartment control button status information and intrusion detection information is transferred to main control unit；Main control unit (4) will
Sampled data is analyzed and passes through the optical-fibre communications channel transfer in communication unit (6) to monitor supervision platform, at the same by Zigbee without
For line communication transfer on operating personnel's PDA handheld terminal, monitor supervision platform alarms sampled signal and the sampling of preset environmental index
After threshold value is compared, then by control signal be transferred to main control unit (4), main control unit (4) again will control signal transmission
To the power of fan unit (5) controlled based on PWM, blower start-stop is controlled, while main control unit (4) will control signal transmission
It gives digital output modul unit (7), and then controls the start and stop of accident warning device and smoke-and fire-preventing valve.
2. underground pipe gallery environmental monitoring according to claim 1 and draft fan control system, it is characterised in that: institute
State based on PWM control power of fan unit (5) be provided with blower bypass, blower bypass control by communication line (10) with
Communication unit (6) is connected, after main control unit (4) analyze and determine the power of fan unit (5) controlled based on PWM damage, from
Dynamic starting blower bypass, or started by PDA handheld terminal.
3. underground pipe gallery environmental monitoring according to claim 1 or 2 and draft fan control system, feature exist
In: the power supply of the present apparatus is alternating current 400V power supply, and power bus is connected with collection filtering protection location (1), is filtered by collection
Wave protection location (1) filtered power supply signal is transported to controlled source output unit (3), controlled source output unit (3) packet
Include the settable D.C. regulated power supply of the AC400V alternating current steady voltage plug and multichannel DC0-48V all the way containing collection isolation；AC400V
Alternating current steady voltage plug is supplied based on PWM control power of fan unit (5), frequency control draft fan；DC24V D.C. regulated power supply is
Inside this system and smoke-and fire-preventing valve is powered, and DC0-48V D.C. regulated power supply is monitoring system, the nothing being mounted near the present apparatus
The power supply of line AP equipment.
4. underground pipe gallery environmental monitoring according to claim 3 and draft fan control system, it is characterised in that: institute
Stating the sensor in environmental data collecting unit (2) includes oxygen concentration sensor, concentration of hydrogen sulfide sensor, methane concentration biography
Sensor, temperature sensor and humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071238.XU CN209373379U (en) | 2018-12-11 | 2018-12-11 | Underground pipe gallery environmental monitoring and draft fan control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071238.XU CN209373379U (en) | 2018-12-11 | 2018-12-11 | Underground pipe gallery environmental monitoring and draft fan control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373379U true CN209373379U (en) | 2019-09-10 |
Family
ID=67832041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822071238.XU Active CN209373379U (en) | 2018-12-11 | 2018-12-11 | Underground pipe gallery environmental monitoring and draft fan control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209373379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270878A (en) * | 2018-12-11 | 2019-01-25 | 天水电气传动研究所有限责任公司 | Underground pipe gallery environmental monitoring and draft fan control system |
| CN110737233A (en) * | 2019-10-17 | 2020-01-31 | 广州瑞讯达系统科技有限公司 | Main control equipment, device, system and control method for intelligent controller of comprehensive pipe rack |
-
2018
- 2018-12-11 CN CN201822071238.XU patent/CN209373379U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270878A (en) * | 2018-12-11 | 2019-01-25 | 天水电气传动研究所有限责任公司 | Underground pipe gallery environmental monitoring and draft fan control system |
| CN110737233A (en) * | 2019-10-17 | 2020-01-31 | 广州瑞讯达系统科技有限公司 | Main control equipment, device, system and control method for intelligent controller of comprehensive pipe rack |
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