CN112835402A - Heating power unmanned on duty station internal environment safety monitoring system based on thing networking - Google Patents
Heating power unmanned on duty station internal environment safety monitoring system based on thing networking Download PDFInfo
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- CN112835402A CN112835402A CN202110213216.6A CN202110213216A CN112835402A CN 112835402 A CN112835402 A CN 112835402A CN 202110213216 A CN202110213216 A CN 202110213216A CN 112835402 A CN112835402 A CN 112835402A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 title claims description 8
- 230000006855 networking Effects 0.000 title claims description 5
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 abstract description 23
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 230000009471 action Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention discloses an environmental safety monitoring system in a thermal power unattended station based on the Internet of things, which belongs to the technical field of heat supply and comprises: a heat-insulating waterproof housing; the controller is installed in the inner cavity of the heat-insulation waterproof shell; the power failure alarm is arranged in the inner cavity of the heat-insulation waterproof shell and connected to the power supply module in parallel; the output end of the liquid level sensor is connected to the input end of the controller; the output end of the temperature and humidity sensor is connected to the input end of the controller; the system comprises a working module, wherein the input end of the working module is connected to the output end of the controller, and the system adopts a thermal power unattended station internal environment safety monitoring system based on the Internet of things to ensure the real-time monitoring of the station internal environment, can timely find abnormal conditions, can timely process the abnormal conditions and reduce loss.
Description
Technical Field
The invention relates to the technical field of heat supply, in particular to a system for monitoring the environmental safety in a thermal power unattended station based on the Internet of things.
Background
At present, the main measure adopted in China is to integrate heat supply in a larger area and utilize a centralized heat source to supply heat for production, life and heating to factories and civil buildings in the area. Central heating has been known for nearly a hundred years. It has the advantages of saving fuel, reducing city pollution, etc. and thus has fast development speed. There have been more than 20 countries in the world that use central heating.
After the reform is opened, the urban urbanization is developed rapidly, the development of the central heating service follows the development of the urban urbanization, in order to reduce the production cost and improve the automation degree, the heat exchange stations of the thermodynamic system mostly adopt an unattended mode, and the number of the unattended stations is increased day by day.
In reality, when the steam and water quality which are suddenly abnormal in the station seriously leaks, the environment in the station is rapidly deteriorated, the temperature and the humidity are rapidly increased, the power is cut off, the water is flooded, the operation of the station is not monitored, the equipment is damaged, and the like.
Disclosure of Invention
The invention aims to provide an environmental safety monitoring system in a thermal power unattended station based on the Internet of things, and aims to solve the problem of xxxxxxxxx in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an environmental safety monitored control system in unmanned on duty station of heating power based on thing networking, includes:
a heat-insulating waterproof housing;
the controller is installed in the inner cavity of the heat-insulation waterproof shell;
the power supply module is arranged in the inner cavity of the heat-insulation waterproof shell, and the output end of the power supply module is connected to the input end of the controller;
the power failure alarm is arranged in the inner cavity of the heat-insulation waterproof shell and connected to the power supply module in parallel;
the output end of the liquid level sensor is connected to the input end of the controller;
the output end of the temperature and humidity sensor is connected to the input end of the controller;
the input end of the communication module is connected to the output end of the controller;
and the input end of the working module is connected to the output end of the controller.
Preferably, the controller is an internet of things remote controller.
Preferably, the power supply module includes:
a power adapter connected to a public power grid or a home power grid;
the storage battery is connected to the power adapter in parallel.
Preferably, the power outage alarm includes:
the relay is connected to the power supply input end of the power supply module in parallel;
and the alarm is connected with the relay.
Preferably, the communication module is a 4G or 5G communication module.
Preferably, the operation module includes:
the input end of the drainage pump is connected to the output end of the controller;
the input end of the exhaust fan is connected to the output end of the controller;
and the input ends of the heat source supply valve and the heat source return valve are connected to the output end of the controller.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a thermal power unattended station internal environment safety monitoring system based on the Internet of things to ensure the real-time monitoring of the station internal environment, can find abnormal conditions in time, can process the abnormal conditions in time and reduce loss, collects liquid level signals through a liquid level sensor, automatically starts and stops a draining pump through a controller, starts the draining pump at a high liquid level, stops the draining pump at a low liquid level, correspondingly connects switching value input terminals of a group of switching value input terminals of a remote controller of the Internet of things, is used for warning the high and low levels of accumulated water in a station, does not work and outputs when the accumulated water is normal, provides a signal of high liquid level for the controller when the liquid level of the accumulated water is high, sets a switching value output terminal of a group 1 of the controller to output action to switch on a power supply of the draining pump, starts the draining pump to drain water, and when the liquid level of the accumulated water is low, providing a 'liquid level low' signal for a controller, setting a 1 st group switching value output end of the remote controller of the internet of things as 'action disconnection of a drain pump power supply', stopping drainage of the drain pump, collecting the temperature and humidity of the environment in a station through a temperature and humidity sensor, automatically starting a heat source supply valve and a return valve in the station by the controller when the signal reaches a high limit value, automatically starting and stopping an exhaust fan at the same time, ensuring the relative safety of the environment in the station, protecting equipment in the station, reducing the loss caused by sudden high-temperature steam-water leakage accidents in the station to the minimum, automatically resetting after the environment is normal, transmitting the collected signal to an RS485 input end of the controller through an RS485 communication mode through the temperature and humidity sensor arranged in the station, setting the temperature, humidity range and upper and lower limits of the communication signal, and setting a 2 nd group switching value output end of the remote controller of the internet of things to start the exhaust fan, ventilating and ventilating, when the environmental temperature and the humidity return to the normal set values, a switching value output end of a 2 nd group of remote controller of the Internet of things is set to be disconnected and stop an exhaust fan, when the environmental temperature and the humidity in the station reach the high limit set values at the same time, the sudden high-temperature steam-water leakage in the station is judged, a high-temperature heat source closing system in the station is automatically started by the controller, a 3 rd group switching value output and a 4 th group switching value output are set, an electric judgment valve installed on a primary heat source pipeline closes high-temperature hot water or steam, and the exhaust fan is automatically started and stopped and controlled at the same time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram schematically illustrating the structure of a power supply module according to the present invention;
FIG. 3 is a block diagram illustrating the structure of the power outage alarm of the present invention;
fig. 4 is a schematic block diagram of the structure of the working module of the present invention.
In the figure: 100 heat-insulating waterproof shells, 200 controllers, 300 power supply modules, 310 power adapters, 320 storage batteries, 400 power failure alarms, 410 relays, 420 alarms, 500 liquid level sensors, 600 temperature and humidity sensors, 700 communication modules, 800 working modules, 810 drainage pumps, 820 exhaust fans, 830 heat source supply valves and return valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a thermal power unattended station internal environment safety monitoring system based on the internet of things, which is used for guaranteeing real-time monitoring of the station internal environment, finding abnormal conditions in time, processing the abnormal conditions in time and reducing loss, and please refer to fig. 1, and the system comprises: the power supply system comprises a heat-insulation waterproof shell 100, a controller 200, a power supply module 300, a power failure alarm 400, a liquid level sensor 500, a temperature and humidity sensor 600, a communication module 700 and a working module 800;
referring to fig. 1 again, the heat-insulating waterproof casing 100 is made of heat-insulating waterproof full-sealing material, and each line hole is sealed to reach the IP68 protection level;
referring to fig. 1 again, the controller 200 is installed in the inner cavity of the heat-insulating waterproof housing 100, and the controller 200 is an internet of things remote controller;
referring to fig. 1-2, the power supply module 300 is installed in the inner cavity of the heat-insulating waterproof casing 100, the output end of the power supply module 300 is connected to the input end of the controller 200, and the power supply module 300 includes:
the power adapter 310 is connected to a public power grid or a home power grid for supplying power;
the storage battery 320 is connected in parallel to the power adapter 310 and can continuously provide power after the external power supply is interrupted;
referring to fig. 1 to 3, the power failure alarm 400 is installed in the inner cavity of the heat-insulating waterproof housing 100, the power failure alarm 400 is connected in parallel to the power supply module 300, and the power failure alarm 400 includes:
the relay 410 is connected in parallel to the power input end of the power adapter 310, a 220V relay is selected, a group of normally open points of the relay are connected with the 1 st group switching value input terminal of the controller 200 and used for warning the power failure signal in the station, when the external power supply is normal, the normally open point of the relay is closed, a power supply normal signal at the 1 st group switching value input end of the controller 200 is set, and when the external power supply is interrupted, the normally open point of the relay is disconnected and provides a power supply power failure signal for the controller;
the alarm 420 is connected with the relay 410, when power failure occurs in the station, the relay 410 is connected with a power supply of the alarm 420, and the alarm 420 sends out an alarm signal for alarming the power failure signal in the station;
referring to fig. 1 again, the output end of the liquid level sensor 500 is connected to the input end of the controller 200, and the unattended station collects signals through the liquid level sensor 500 according to the high and low conditions of the liquid level of the ground area sump and transmits the collected signals to the controller 200;
referring to fig. 1 again, the output end of the temperature and humidity sensor 600 is connected to the input end of the controller 200, and the temperature and humidity sensor 600 collects the ambient temperature and humidity signals in the station and transmits the signals to the controller 200;
please refer to the figure again, the input end of the communication module 700 is connected to the output end of the controller 200, the communication module 700 is a 4G or 5G communication module, the controller 200 processes the data of the environment in the station, such as humidity, temperature, liquid level, water pump, blower, valve position state, etc., in real time, and the communication module 700 uploads the processing signal to the cloud platform, the big data analysis and operation processing is performed through the cloud platform, at the computer client end of the central control room of the heat supply department, and the mobile phone client end responsible for the production operation maintenance personnel displays the operation, the alarm data, the history curve, etc., the mobile phone client end of the central control room, and the mobile phone client end responsible for the production operation maintenance personnel, the operation user remotely sets the alarm parameters, the equipment start-stop parameters, and the conditions, which includes: an upper limit value and a normal value of the temperature in the station; an upper limit value and a normal value of the humidity in the station; closing the heat source valve condition setting; starting condition setting of a stop exhaust ventilator; starting and stopping drainage pump condition setting, and issuing a program instruction after setting to the controller 200 for execution;
referring to fig. 1 and 4, an input terminal of the operation module 800 is connected to an output terminal of the controller 200, and the operation module 800 includes:
the input end of the drainage pump 810 is connected to the output end of the controller 200, a liquid level signal is collected through the liquid level sensor 500, the drainage pump 810 is automatically started and stopped through the controller 200, the drainage pump 810 is started when the liquid level is high, the drainage pump 810 is stopped when the liquid level is low, the switching value signal of the high, low and public end of the liquid level sensor 500 is correspondingly connected with 2 groups of switching value input terminals of the remote controller of the internet of things, the drainage pump 810 is started for warning the height of the accumulated water level in a station, when the accumulated water is normal, the controller 200 does not output the action, when the accumulated water level is high, the controller 200 is provided with a liquid level high signal, the controller 200 is provided with an output action to switch on the drainage pump power supply, when the accumulated water level is low, the controller 200 is provided with a liquid level low signal, the remote controller 1 group of switching value output end is provided with an action to switch off the, the drain pump 810 stops draining;
the input end of the exhaust fan 820 is connected to the output end of the controller 200;
the input end of the heat source supply and return valve 830 is connected to the output end of the controller 200, the temperature and humidity of the environment in the station are collected through the temperature and humidity sensor 600, when the signal reaches a high limit value, the controller 200 automatically starts the heat source supply and return valve 830 in the station, and simultaneously automatically starts and stops the exhaust fan 820 to ensure the relative safety of the environment in the station, protect the equipment in the station, the loss caused by the sudden high-temperature steam and water leakage accident in the station is reduced to the minimum, the environment is automatically reset after being normal, the collected signal is transmitted to the RS485 input end of the controller 200 through an RS485 communication mode, the temperature, humidity range and upper and lower limits of the communication signal are set, when the environment temperature or humidity independently reaches a set value, the 2 nd group switching value output end of the remote controller of the internet of things is set to start the exhaust fan 820 to perform ventilation and ventilation, and when the environment temperature and humidity return to a normal set value, set up thing networking remote control 2 group switching value output disconnection stop exhaust fan 820, when the ambient temperature of standing simultaneously, when humidity reaches the high limit simultaneously and sets for numerical value, judge that the station is suddenly high temperature soda and leaks, controller 200 automatic start station high temperature heat source shutdown system, set up 3 rd group, 4 th group switching value output, the electronic valve of judging of installation on the primary heat source pipeline closes high temperature hot water or steam, automatic start-stop control exhaust fan 820 simultaneously, the system gets into and locks this running state, need be handled by the operation maintainer after the trouble, carry out long-range shut exhaust fan 820 through cell-phone or computer after confirming the station internal environment is normal, open the heat source and supply, return valve 830, reply initial condition, above action start-stop all sends the warning suggestion to computer or cell-phone.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides an interior environmental safety monitored control system of unmanned on duty station of heating power based on thing networking which characterized in that: the method comprises the following steps:
a heat-insulating waterproof case (100);
a controller (200), wherein the controller (200) is installed in the inner cavity of the heat-insulating waterproof shell (100);
a power supply module (300), wherein the power supply module (300) is installed in the inner cavity of the heat-insulating waterproof shell (100), and the output end of the power supply module (300) is connected to the input end of the controller (200);
the power failure alarm (400) is installed in the inner cavity of the heat-insulation waterproof shell (100), and the power failure alarm (400) is connected to the power supply module (300) in parallel;
a level sensor (500), an output of the level sensor (500) being connected to an input of the controller (200);
the output end of the temperature and humidity sensor (600) is connected to the input end of the controller (200);
a communication module (700), an input end of the communication module (700) is connected to an output end of the controller (200);
a working module (800), an input of the working module (800) being connected to an output of the controller (200).
2. The thermal power unattended station internal environment safety monitoring system based on the internet of things according to claim 1, wherein: the controller (200) is an internet of things remote controller.
3. The thermal power unattended station internal environment safety monitoring system based on the internet of things according to claim 1, wherein: the power supply module (300) comprises:
a power adapter (310), the power adapter (310) being connected to a public power grid or a home power grid;
the storage battery (320), the storage battery (320) is connected in parallel to the power adapter (310).
4. The thermal power unattended station internal environment safety monitoring system based on the internet of things according to claim 1, wherein: the power outage alarm (400) comprises:
a relay (410), the relay (410) being connected in parallel to a power input of the power supply module (300);
the alarm (420) is connected with the relay (410).
5. The thermal power unattended station internal environment safety monitoring system based on the internet of things according to claim 1, wherein: the communication module (700) is a 4G or 5G communication module.
6. The thermal power unattended station internal environment safety monitoring system based on the internet of things according to claim 1, wherein: the work module (800) comprises:
a drain pump (810), an input of the drain pump (810) being connected to an output of the controller (200);
an input end of the exhaust fan (820) is connected to an output end of the controller (200);
and the input end of the heat source supply and return valve (830) is connected to the output end of the controller (200).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114842629A (en) * | 2022-05-18 | 2022-08-02 | 国家电投集团东方新能源股份有限公司热力分公司 | Water immersion alarm method, device and system for heating station |
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Application publication date: 20210525 |