CN111857005A - Environmental control system of transformer substation - Google Patents
Environmental control system of transformer substation Download PDFInfo
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- CN111857005A CN111857005A CN202010738207.4A CN202010738207A CN111857005A CN 111857005 A CN111857005 A CN 111857005A CN 202010738207 A CN202010738207 A CN 202010738207A CN 111857005 A CN111857005 A CN 111857005A
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- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 230000033228 biological regulation Effects 0.000 claims abstract description 11
- 238000004887 air purification Methods 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
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- 238000012544 monitoring process Methods 0.000 abstract description 13
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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- G05B2219/23051—Remote control, enter program remote, detachable programmer
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Abstract
The invention discloses a transformer substation environment control system, and relates to the technical field of transformer substation environment monitoring. The environment regulation system is used for controlling the environment regulation system of the transformer substation to regulate the environment of the transformer substation and a cable trench of the transformer substation, and comprises an environment parameter acquisition control module, a temperature and humidity regulation control module, an air purification control module, a ventilation control module, an alarm control module and a communication module; the environment parameter acquisition control module controls the environment parameter acquisition device to acquire actual environment parameters; the transformer substation environment control system is provided with standard environment parameters, and temperature adjustment is carried out according to actual environment parameters. The technical scheme provided by the invention realizes the improvement, optimization and monitoring of the environmental quality of the transformer substation and other similar enclosed spaces in other industries and the early warning of abnormal events such as fire, water immersion and the like, and simultaneously realizes the real-time monitoring and remote perception of the environmental state.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of transformer substation environment monitoring, in particular to a transformer substation environment control system.
[ background of the invention ]
With the rapid development of national economy, the demand and the dependence of China on electric power are getting larger and larger. Meanwhile, higher requirements are also put forward on the safety and stability of the transformer substation and the power grid. Meanwhile, in recent years, security application of the transformer substation is gradually emphasized due to expansion and capacity expansion of a power grid, and a certain number of transformer substation new construction or expansion projects are issued by national development and reform committees every year. Meanwhile, with the popularization of the unattended mode of the transformer substation, a plurality of supervision problems are brought along therewith.
Therefore, a monitoring system capable of monitoring and adjusting the environment of the transformer substation in real time is needed by the power department, so as to reduce or overcome the adverse effect of the closed environment of the transformer substation on the operation of the electrical equipment, optimize and monitor the environmental quality of the closed space environment, improve the operation condition of the electrical equipment, reduce the fault probability and improve the power supply reliability.
[ summary of the invention ]
In order to solve the problems, the invention provides a transformer substation environment control system, which can realize the improvement, optimization and monitoring of the environment quality of a transformer substation and other similar closed spaces in other industries and the early warning of abnormal events such as fire, water immersion and the like, and simultaneously realize the real-time monitoring and remote sensing of the environment state.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transformer substation environment control system is used for controlling a transformer substation environment adjusting system to adjust the environment of a transformer substation and a cable trench of the transformer substation, and comprises an environment parameter acquisition device, a temperature and humidity adjusting device, an air purifying device, a ventilating device, an alarm device and a remote control terminal;
the environment parameter acquisition control module controls the environment parameter acquisition device to acquire actual environment parameters of the transformer substation and the cable trench;
the transformer substation environment control system is provided with standard environment parameters, and according to the actual environment parameters, the control of the temperature and humidity adjusting device by the temperature and humidity adjusting control module, the control of the air purifying device by the air purifying control module and the control of the ventilating device by the ventilating control module are carried out in a linkage manner, so that the actual environment parameters of the transformer substation and the cable trench are the same as or different from the standard environment parameters within a preset range.
Optionally, the actual environment parameters include the actual environment temperature of the transformer substation, the environment parameter acquisition control module controls the environment parameter acquisition device to acquire the actual environment temperature of the transformer substation, the standard environment parameters include the standard environment temperature, and when the difference between the actual environment temperature of the transformer substation and the standard environment temperature is higher than a preset range, the temperature and humidity regulation control module controls the temperature and humidity regulation device to regulate the temperature of the transformer substation.
Optionally, the temperature and humidity adjusting device comprises a fan, the fan is provided with a mounting rack, the temperature and humidity adjusting control module adjusts the orientation of the fan through the mounting rack, and the temperature and humidity adjusting control module adjusts the temperature of the transformer substation through adjusting the rotating speed and the orientation of the fan.
Optionally, the actual environment parameter includes actual environment humidity, environmental parameter acquisition control module control environmental parameter collection device gathers actual environment humidity, standard environment parameter includes standard environment humidity, and when the difference between actual environment humidity and the standard environment humidity was higher than and predetermines the scope, temperature and humidity control module control temperature and humidity control device dehumidifies the transformer substation, and when the difference between actual environment humidity and the standard environment humidity was less than and predetermines the scope, temperature and humidity control module control temperature and humidity control device carries out the humidification to the transformer substation.
Optionally, actual environmental parameter includes actual SF6 concentration, actual oxygen content and actual smog concentration, environmental parameter acquisition control module control environmental parameter acquisition device gathers actual SF6 concentration, actual oxygen content and actual smog concentration, standard environmental parameter includes standard SF6 concentration, standard oxygen content and standard smog concentration, and when difference between actual SF6 concentration, actual oxygen content, actual smog concentration and standard SF6 concentration, standard oxygen content, the standard smog concentration is higher than when predetermineeing the scope, air purification control module control air purification device carries out filtration purification to the transformer substation.
Optionally, the environment parameter acquisition control module controls the environment parameter acquisition device to acquire the actual environment temperature of the cable trench in the cable trench, and when the difference between the actual environment temperature of the cable trench and the actual environment temperature of the transformer substation is not within a preset range, the ventilation control module starts the ventilation device to introduce air in the transformer substation into the cable trench.
Optionally, the environmental parameter acquisition control module controls the environmental parameter acquisition device to acquire the submersion water level in the transformer substation, the standard environmental parameter includes a warning water level and an environmental parameter alarm threshold, the submersion water level acquired by the environmental parameter acquisition device exceeds the warning water level, or the actual environmental parameter acquired by the environmental parameter acquisition device exceeds the environmental parameter alarm threshold, and the alarm control module controls the alarm device to send out corresponding alarm information.
Optionally, the remote control terminal operates and controls the environmental control system of the transformer substation through the communication module, and the communication module is an ethernet communication module or a cellular network communication module.
Optionally, the environmental control system of the transformer substation further includes a database, the database stores standard environmental parameters, a warning water level, an environmental parameter alarm threshold value and actual environmental parameters acquired by the environmental parameter acquisition device, and data in the database is output by locally browsing, regularly sending a remote control terminal and remotely querying the remote control terminal.
The invention has the following beneficial effects:
the technical scheme provided by the invention is applied to indoor or underground transformer substations in compact arrangement of power system equipment and similar closed spaces in other industries, such as control rooms, secondary equipment rooms, main transformer rooms, distribution equipment rooms, capacitor rooms, reactor rooms, station transformer rooms and other similar space environments with various voltage grades, comprises new construction, reconstruction and extension projects, has wide application range, and realizes the quality improvement, optimization and monitoring of the environment and early warning of abnormal events such as fire disasters, water immersion and the like; meanwhile, the real-time monitoring and remote sensing of the environmental state are realized, the adverse effect of the closed environment of the transformer substation on the operation of the electrical equipment can be effectively reduced or overcome, the environmental quality of the closed space environment is optimized and monitored, the operation condition of the electrical equipment is improved, the fault probability is reduced, and the reliability of power supply is improved.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings. The best mode or means of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In addition, the features, elements and components appearing in each of the following and in the drawings are plural and different symbols or numerals are labeled for convenience of representation, but all represent components of the same or similar construction or function.
[ description of the drawings ]
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a first embodiment of the invention.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference in the specification to "one embodiment" or "an example" means that a particular feature, structure or characteristic described in connection with the embodiment itself may be included in at least one embodiment of the patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a transformer substation environment control system 1, where the transformer substation environment control system 1 is configured to control a transformer substation environment adjusting system 2 to perform environment adjustment on a transformer substation and a cable trench of the transformer substation, the transformer substation environment adjusting system 2 includes an environment parameter acquisition device 21, a temperature and humidity adjusting device 22, an air purification device 23, a ventilation device 24, an alarm device 25, and a remote control terminal 26, and the transformer substation environment control system 1 includes an environment parameter acquisition control module 11, a temperature and humidity adjustment control module 12, an air purification control module 13, a ventilation control module 14, an alarm control module 15, and a communication module 16;
the environmental parameter acquisition control module 11 controls the environmental parameter acquisition device 21 to acquire actual environmental parameters of the transformer substation and the cable trench; the actual environmental parameters comprise the actual environmental temperature of the transformer substation, the actual environmental humidity, the actual SF6 concentration, the actual oxygen content and the actual smoke concentration, the actual environmental temperature of the cable trench and the water level of the immersed water;
the environmental control system 1 of the transformer substation is provided with standard environmental parameters, the standard environmental parameters comprise standard environmental temperature, standard environmental humidity, standard SF6 concentration, standard oxygen content and standard smoke concentration, warning water level and environmental parameter alarm threshold, and meanwhile, in consideration of the overshoot of the system control, a preset range of the difference value between the actual environmental parameter and the standard environmental parameter is also set, that is, when the difference value between the actual environmental parameter and the standard environmental parameter is within the preset range, the difference value is regarded as reaching the standard value. The setting of the standard environmental parameters and the preset range is performed according to the industry standards related to the power system executed in different provinces, which is not limited herein.
According to actual environmental parameters, the control of the temperature and humidity adjusting device 22 by the temperature and humidity adjusting control module 12, the control of the air purifying device 23 by the air evolution control module 13 and the control of the ventilation device 24 by the ventilation control module 14 are performed in a linkage manner, and the method specifically comprises the following aspects:
the environmental parameter acquisition control module 11 controls the environmental parameter acquisition device 21 to acquire the actual environmental temperature of the transformer substation, based on the air replacement principle, when the difference between the actual environmental temperature of the transformer substation and the standard environmental temperature is higher than the preset range, it is described that the temperature of the transformer substation is too high at the moment, and the risk of overheating combustion exists, therefore, the temperature and humidity regulation control module 12 carries out controllable weak airflow convection heat dissipation by adjusting the rotating speed of a fan, adjusts the airflow and the convection strength in real time, enables the dynamic characteristic of the heat generation change of the heat source body to be matched with the temperature of the heat source body, effectively organizes and accurately controls the disordered airflow in the environment, and optimizes the convection form of the airflow and the heat exchange efficiency to the. The heat source bodies such as electrical equipment and the like are cooled through a composite heat exchange process in which natural convection and forced convection jointly act. Temperature humidity control module 12 still carries out the vector air supply through the orientation of adjusting the fan, flow direction to gas, the velocity of flow, flow and class are controlled by force, in order to form the convection current form of surrounding the heat-generating body rule from bottom to top, make full use of by the natural convection current of air buoyancy lift drive, the natural cold source of the temperature difference production that the make full use of distributes by the building thermal field, make the air current fully carry out the heat exchange with the hot surface contact of heat-generating body through effectual air current tissue and good convection current form, make the cooling effect maximize of air convection, and then adjust the temperature of transformer substation. The temperature and humidity adjusting device 22 includes a fan having a mounting frame, and the temperature and humidity adjusting control module 12 adjusts the orientation of the fan through the mounting frame. Through adjusting the wind direction and the wind speed, the actual environmental temperature of the transformer substation is the same as the standard environmental temperature, or the difference value between the actual environmental temperature and the standard environmental temperature is in a preset range. The temperature control mode that this embodiment adopted only needs to realize the cooling in the effective altitude space of equipment, and required refrigeration power is less. And continuously, fresh air enters, which is beneficial to keeping the air quality. Meanwhile, the environmental parameter acquisition control module 11 controls the environmental parameter acquisition device 21 to acquire the actual environmental temperature of the cable trench in the cable trench, and when the difference value between the actual environmental temperature of the cable trench and the actual environmental temperature of the transformer substation is not within the preset range, the ventilation control module 14 starts the ventilation device 24 to introduce air in the transformer substation into the cable trench so as to balance the temperatures of the cable trench and the transformer substation, and finally the actual environmental parameters of the transformer substation and the cable trench are the same as or the difference value of the standard environmental parameters is kept within the preset range.
The environmental parameter acquisition control module 11 controls the environmental parameter acquisition device 21 to acquire actual environmental humidity, and when the difference value between the actual environmental humidity and the standard environmental humidity is higher than a preset range, the transformer substation air is over humid, and the risk of short circuit and burnout of a transformer substation circuit caused by condensation exists, so that the transformer substation needs to be dehumidified, and the temperature and humidity adjustment control module 12 controls the temperature and humidity adjustment device 22 to dehumidify the transformer substation; when the difference between the actual environment humidity and the standard environment humidity is lower than the preset range, the transformer substation air is over-dry, once the temperature rises by combining the temperature control part, the risk of overheating combustion exists, the transformer substation needs to be humidified, the temperature and humidity adjusting control module 12 controls the temperature and humidity adjusting device 22 to humidify the transformer substation, and finally the actual environment humidity of the transformer substation is the same as the standard environment humidity or the difference is kept in the preset range;
the environmental parameter acquisition control module 11 controls the environmental parameter acquisition device 21 to acquire actual SF6 concentration, actual oxygen content and actual smoke concentration, and when the difference value between the actual SF6 concentration and the standard SF6 concentration is higher than a preset range, the SF6 gas exceeds the standard, so that the risk of harm to the personal health of workers exists; when the difference value between the actual oxygen content and the standard oxygen content is higher than the preset range, the temperature and humidity control part is combined to indicate that the risk of overheating combustion is further increased; when the difference between the actual smoke concentration and the standard smoke concentration is higher than the preset range, it is indicated that the detonation risk exists, and therefore, the air evolution control module 13 controls the air purification device 23 to filter and purify the transformer substation, so that the actual SF6 concentration is the same as the standard SF6 concentration, the actual oxygen content is the same as the standard oxygen content, and the actual smoke concentration is the same as the standard smoke concentration, or the difference is within the preset range; it should be noted that, when the actual smoke concentration is too high, the fire occurs, and therefore, the fire-proof isolating valve window needs to be driven to be closed quickly, the fire spreading path is cut off, and the relevant fire-fighting specifications and requirements are met.
Meanwhile, the air purification filter body can be blocked after being used for a long time, so that the wind resistance is increased, and the environment regulation efficiency is influenced. Therefore, the environmental conditioning system 2 of the substation includes a filtering and purifying device 27, which needs to automatically detect the dust deposition condition of the filtering body, and give an alarm message when the blockage is found, and notify the maintenance personnel to replace the filtering body.
Through the adjustment of the aspects, the actual environmental parameters of the transformer substation and the cable trench are the same as or different from the standard environmental parameters within a preset range.
Meanwhile, the environmental parameter acquisition control module 11 controls the environmental parameter acquisition device 21 to acquire the submersed water level in the transformer substation, the submersed water level acquired by the environmental parameter acquisition device 21 exceeds the warning water level, or the difference value between the actual environmental parameter acquired by the environmental parameter acquisition device 21 and the standard environmental parameter exceeds the environmental parameter alarm threshold value, the alarm control module 15 controls the alarm device 25 to send out corresponding alarm information, and the monitoring center or related staff is notified through the remote control terminal 26.
The environmental control system 1 of the transformer substation further comprises a database 17, and in order to facilitate the query of historical data, the database 17 stores standard environmental parameters, a warning water level, an environmental parameter alarm threshold value of each time period and actual environmental parameters acquired by the environmental parameter acquisition device 21. The remote control terminal 26 operates and controls the substation environmental control system 1 through the communication module 16, the communication module 16 is an ethernet communication module 16 or a cellular network communication module 16, and the remote control terminal 26 may be a mobile phone, a notebook computer or a tablet computer, which is not limited herein. The data in the database 17 is output by locally browsing, regularly sending the remote control terminal 26 and remotely querying the remote control terminal 26, so as to realize real-time monitoring and remote sensing.
The technical scheme provided by the embodiment is applied to indoor or underground transformer substations in compact arrangement of power system equipment, and other similar enclosed spaces in other industries, such as control rooms, secondary equipment rooms, main transformer rooms, distribution equipment rooms, capacitor rooms, reactor rooms, substation transformer rooms and other similar space environments of various voltage classes outdoor, indoor and underground transformer substations, including new construction, reconstruction and extension projects, and has wide application range, the main ventilation and heat dissipation effects are completed, meanwhile, measures such as air filtration and adsorption, detection and discharge of harmful gas and smoke, humidity control and water level measurement are used for comprehensively treating various environmental problems of a closed space, the operating environment of electrical equipment is adjusted to an optimal state, active defense of zero defects of equipment operation is realized, the quality of the environment is improved, optimization and monitoring are performed, and abnormal events such as fire disasters and water immersion are early warned; meanwhile, the real-time monitoring and remote sensing of the environmental state are realized, the adverse effect of the closed environment of the transformer substation on the operation of the electrical equipment can be effectively reduced or overcome, the environmental quality of the closed space environment is optimized and monitored, the operation condition of the electrical equipment is improved, the safe and reliable operation of the transformer substation equipment is ensured, the fault probability is reduced, and the reliability of power supply is improved.
While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (9)
1. A transformer substation environment control system is characterized in that the transformer substation environment control system is used for controlling a transformer substation environment adjusting system to carry out environment adjustment on a transformer substation and a cable trench of the transformer substation, the transformer substation environment adjusting system comprises an environment parameter acquisition device, a temperature and humidity adjusting device, an air purifying device, a ventilating device, an alarm device and a remote control terminal, and the transformer substation environment control system comprises an environment parameter acquisition control module, a temperature and humidity adjusting control module, an air purifying control module, a ventilating control module, an alarm control module and a communication module;
the environment parameter acquisition control module controls the environment parameter acquisition device to acquire actual environment parameters of the transformer substation and the cable trench;
the transformer substation environment control system is provided with standard environment parameters, and according to the actual environment parameters, the control of the temperature and humidity adjusting device by the temperature and humidity adjusting control module, the control of the air purifying device by the air purifying control module and the control of the ventilating device by the ventilating control module are carried out in a linkage manner, so that the actual environment parameters of the transformer substation and the cable trench are the same as or different from the standard environment parameters within a preset range.
2. The substation environment control system according to claim 1, wherein the actual environment parameter includes an actual environment temperature of the substation, the environment parameter acquisition control module controls the environment parameter acquisition device to acquire the actual environment temperature of the substation, the standard environment parameter includes a standard environment temperature, and the temperature and humidity adjustment control module controls the temperature and humidity adjustment device to adjust the temperature of the substation when a difference between the actual environment temperature of the substation and the standard environment temperature is higher than a preset range.
3. The substation environment control system of claim 2, wherein the temperature and humidity control device comprises a fan, the fan has a mounting bracket, the temperature and humidity control module adjusts the orientation of the fan through the mounting bracket, and the temperature and humidity control module adjusts the temperature of the substation by adjusting the rotation speed and the orientation of the fan.
4. The substation environment control system according to claim 1, wherein the actual environment parameters include actual environment humidity, the environment parameter acquisition control module controls the environment parameter acquisition device to acquire the actual environment humidity, the standard environment parameters include standard environment humidity, when a difference between the actual environment humidity and the standard environment humidity is higher than a preset range, the temperature and humidity regulation control module controls the temperature and humidity regulation device to dehumidify the substation, and when the difference between the actual environment humidity and the standard environment humidity is lower than the preset range, the temperature and humidity regulation control module controls the temperature and humidity regulation device to humidify the substation.
5. The substation environment control system according to claim 1, wherein the actual environment parameters include an actual SF6 concentration, an actual oxygen content and an actual smoke concentration, the environment parameter acquisition control module controls the environment parameter acquisition device to acquire the actual SF6 concentration, the actual oxygen content and the actual smoke concentration, the standard environment parameters include a standard SF6 concentration, a standard oxygen content and a standard smoke concentration, and the air purification control module controls the air purification device to filter and purify the substation when a difference between the actual SF6 concentration, the actual oxygen content, the actual smoke concentration and the standard SF6 concentration, the standard oxygen content and the standard smoke concentration is higher than a preset range.
6. The substation environment control system according to claim 1, wherein the environment parameter acquisition control module controls the environment parameter acquisition device to acquire an actual environment temperature of a cable trench in the cable trench, and when a difference between the actual environment temperature of the cable trench and the actual environment temperature of the substation is not within a preset range, the ventilation control module starts the ventilation device to introduce air in the substation into the cable trench.
7. The substation environment control system according to claim 1, wherein the environment parameter acquisition control module controls the environment parameter acquisition device to acquire a submersion level in the substation, the standard environment parameter includes a warning level and an environment parameter alarm threshold, the submersion level acquired by the environment parameter acquisition device exceeds the warning level, or the actual environment parameter acquired by the environment parameter acquisition device exceeds the environment parameter alarm threshold, and the alarm control module controls the alarm device to send out corresponding alarm information.
8. The substation environment control system according to claim 1, wherein the remote control terminal operates and controls the substation environment control system through the communication module, and the communication module is an ethernet communication module or a cellular network communication module.
9. The substation environment control system according to claim 8, further comprising a database, wherein the database stores standard environment parameters, a warning water level, an environment parameter alarm threshold value and actual environment parameters acquired by the environment parameter acquisition device, and data in the database is output by locally browsing, periodically sending a remote control terminal and remotely querying the remote control terminal.
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| CN202010738207.4A CN111857005A (en) | 2020-07-28 | 2020-07-28 | Environmental control system of transformer substation |
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| CN202010738207.4A CN111857005A (en) | 2020-07-28 | 2020-07-28 | Environmental control system of transformer substation |
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| CN113900392A (en) * | 2021-09-10 | 2022-01-07 | 深圳供电局有限公司 | Transformer substation environment monitoring method and device, computer equipment and storage medium |
| CN115437293A (en) * | 2022-09-27 | 2022-12-06 | 爱景节能科技（上海）有限公司 | Air compressor machine remote monitering system |
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