CN116518531A - DDC-based ventilation air conditioner control system - Google Patents
DDC-based ventilation air conditioner control system Download PDFInfo
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- CN116518531A CN116518531A CN202310481549.6A CN202310481549A CN116518531A CN 116518531 A CN116518531 A CN 116518531A CN 202310481549 A CN202310481549 A CN 202310481549A CN 116518531 A CN116518531 A CN 116518531A
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- conditioning unit
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- 238000009423 ventilation Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 115
- 238000004378 air conditioning Methods 0.000 claims abstract description 87
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims description 16
- 238000010835 comparative analysis Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/62—Tobacco smoke
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a DDC-based ventilation air conditioning control system, which comprises a monitoring unit, a control unit, an operation terminal and an air conditioning unit, wherein the air conditioning unit is arranged in an underground factory building of a hydropower plant, the monitoring unit is electrically connected with the operation terminal, the operation terminal is electrically connected with the control unit, and the control unit is electrically connected with the air conditioning unit; the monitoring unit is used for monitoring the working conditions of the air conditioning unit and the generator set and simultaneously monitoring the environmental information in the underground powerhouse of the hydropower plant; the control unit is used for controlling the working state and the working mode of the air conditioning unit according to the information fed back by the monitoring unit; the operation terminal is used for sending a control instruction to the control unit according to the information fed back by the monitoring unit; the air conditioning unit is used for promoting air circulation in the hydropower station underground powerhouse and adjusting air quality in the hydropower station underground powerhouse. The power utilization rate of the ventilation air conditioning system is greatly reduced, cost reduction and efficiency enhancement are realized, the working efficiency of personnel is improved, and risks of environment and equipment caused by false start and missing start are reduced.
Description
Technical Field
The invention relates to the technical field of hydropower station ventilation systems, in particular to a ventilation air conditioner control system based on DDC.
Background
The ventilation of the underground powerhouse of the energy storage hydropower plant is poor, the ventilation air conditioner is needed to be adopted for auxiliary ventilation so as to ensure the ventilation of the underground powerhouse of the energy storage hydropower plant, the ventilation air conditioner system of the current pumping power station can only start a single fan on site or remotely, if the requirements of powerful ventilation or energy saving and noise reduction, periodic work and fan switching and the like are met when the fan is restored after the power switching of the power plant, an operator needs to start and stop operations on dozens of fans to hundreds of fans and a cooling water system, so that great working pressure is brought to the operator by the numerous operations, and the fan is inevitably started in a missed mode. The false start of the on-site fan can possibly cause the lifting of harmful smoke dust, the injury of maintenance personnel and the like; the mistaken stopping of the fan can cause low oxygen content and stuffy environment, and choking of on-site operators. The fan operation mode has potential safety hazards.
Disclosure of Invention
The invention provides a DDC-based ventilation air conditioning control system, which reduces the electricity utilization rate of the ventilation air conditioning system, improves the working efficiency of personnel, and reduces the risks of false start and missing start on the environment and equipment.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the DDC-based ventilation air conditioning control system comprises a monitoring unit, a control unit, an operation terminal and an air conditioning unit, wherein the air conditioning unit is installed in an underground factory building of a hydropower plant, the monitoring unit is electrically connected with the operation terminal, the operation terminal is electrically connected with the control unit, and the control unit is electrically connected with the air conditioning unit;
the monitoring unit is used for monitoring the working conditions of the air conditioning unit and the generator set and simultaneously monitoring the environmental information in the underground powerhouse of the hydropower plant;
the control unit is used for controlling the working state and the working mode of the air conditioning unit according to the information fed back by the monitoring unit;
the operation terminal is used for sending a control instruction to the control unit according to the information fed back by the monitoring unit;
the air conditioning unit is used for promoting air circulation in the underground powerhouse of the hydropower plant and adjusting the temperature, humidity and air quality of air in the underground powerhouse of the water power plant.
Further, the monitoring unit comprises an air conditioning unit monitoring module, a generator unit load monitoring module and an environment monitoring module;
the air conditioning unit monitoring module is used for monitoring information such as the working state, the working mode, the air inlet quantity or the air outlet quantity of the air conditioning unit;
the generator set load monitoring module is used for monitoring the operation load of the generator set;
the environment monitoring module is used for monitoring information such as air quality in the underground powerhouse of the hydropower plant.
Further, the environment monitoring module comprises a temperature sensor, a humidity sensor and a smoke sensor, wherein the temperature sensor, the humidity sensor and the smoke sensor are electrically connected with the operation terminal.
Further, the environmental monitoring module further comprises an alarm, and the alarm is electrically connected with the smoke sensor.
Further, the operation terminal comprises a central processing unit and an operation platform, wherein the operation platform is electrically connected with the central processing unit, and the central processing unit is electrically connected with the monitoring unit and the control unit.
Further, the operation terminal further comprises a timer, and the timer is electrically connected with the control unit.
The air conditioning unit monitoring module comprises a working state monitoring sub-module, a working mode monitoring sub-module and an air quantity monitoring sub-module;
the working state monitoring sub-module is used for monitoring the working state of a corresponding air conditioner of the air conditioner unit, and after the control unit sends out a start/stop control instruction, the control unit feeds back whether the corresponding air conditioner executes the instruction to the operation terminal so as to judge whether the air conditioner can normally operate;
the working mode monitoring submodule is used for monitoring the working mode of the air conditioner corresponding to the air conditioning unit at present and controlling the air conditioner to switch the working mode according to the air quality information in the underground factory building of the hydropower plant, which is acquired by the environment monitoring module;
the air quantity monitoring module is used for monitoring the working state of the air conditioning unit and the air quantity under the working mode, and judging the performance of the air conditioner according to the comparative analysis of the air quantity and the air quantity.
Further, the air conditioning unit monitoring module further comprises an electric quantity monitoring module for monitoring the electric quantity of the corresponding air conditioner of the air conditioning unit in different working modes under the working state in real time, and further monitoring the energy consumption condition of the air conditioner.
Compared with the prior art, the invention has the beneficial effects that:
the ventilation air conditioning control system based on the DDC provided by the invention can realize that a central control room operator controls the starting/stopping of an air conditioning unit through an operation terminal, one key selects the working mode of the corresponding air conditioner of the air conditioning unit, one key starts/stops a plurality of fans of the ventilation air conditioning unit in an underground factory building of a hydropower plant and one key switches any mode of the working state of the air conditioner, and after a fire disaster, the fans of the related smoke exhaust air conditioning unit can be rapidly and accurately started to exhaust smoke, and an alarm prompt can be sent when the fans are not started or fail, so that the intelligent control level of the ventilation air conditioning is improved, the utilization rate of the ventilation air conditioning system is improved, the power utilization rate of the ventilation air conditioning system is greatly reduced, the real cost reduction and efficiency enhancement are realized, the power consumption of the factory can be reduced, the working efficiency of the personnel is improved, and the risks caused by the false start and the missed start to the environment and equipment are reduced.
Drawings
Fig. 1 is a schematic structural diagram of a ventilation air conditioning control system based on DDC of the present invention;
in the figure, a monitoring unit 1, an air conditioning unit monitoring module 11, a generator unit load monitoring module 12, an environment monitoring module 13, a control unit 2, an operation terminal 3, a central processing unit 31, an operation platform 32 and an air conditioning unit 4.
Detailed Description
For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the DDC-based ventilation air conditioning control system provided by the invention comprises a monitoring unit 1, a control unit 2, an operation terminal 3 and an air conditioning unit 4, wherein the air conditioning unit 4 is installed in an underground factory building of a hydropower plant, the monitoring unit 1 is electrically connected with the operation terminal 3, the operation terminal 3 is electrically connected with the control unit 2, and the control unit 2 is electrically connected with the air conditioning unit 4;
the monitoring unit 1 is used for monitoring the working conditions of the air conditioning unit 4 and the generator set and simultaneously monitoring the environmental information in the underground powerhouse of the hydropower plant;
the control unit 2 is used for controlling the working state and the working mode of the air conditioning unit 4 according to the information fed back by the monitoring unit 1;
the operation terminal 3 is used for sending a control instruction to the control unit 2 according to the information fed back by the monitoring unit 1;
the air conditioning unit 4 is used for promoting air circulation in the underground powerhouse of the hydropower plant and adjusting the temperature, humidity and air quality of air in the underground powerhouse of the water power plant.
The monitoring unit 1 comprises an air conditioning unit monitoring module 11, a generator unit load monitoring module 12 and an environment monitoring module 13;
the air conditioning unit monitoring module 11 is configured to monitor information such as a working state, a working mode, an air intake or an air output of the air conditioning unit 4;
the generator set load monitoring module 12 is configured to monitor an operating load of the generator set;
the environment monitoring module 13 is used for monitoring information such as air quality in the underground powerhouse of the hydropower plant.
The air conditioning unit 4 is installed in the underground factory building of the hydropower plant according to actual practice, the air conditioning unit 4 comprises a plurality of ventilation air conditioners and corresponding ventilation pipelines, the monitoring unit 1 can monitor the working state, the working mode, the air inlet quantity and the air outlet quantity of the air conditioning unit 4, the working load of the generator set and the environmental air quality of the underground factory building of the hydropower plant, the monitoring unit 1 sends monitoring information to the operation terminal 3, the operation terminal 3 analyzes and compares the acquired information and sends a control signal to the control unit 2 according to the compared condition, the control unit 2 sends corresponding control instructions to the air conditioning unit 4 according to the control signal, the air conditioning unit 4 is further controlled, the working modes of the air conditioning unit 4, such as an energy-saving mode, a return air mode, a fresh air mode, a full-open mode, a smoke discharging mode and the like, of the air conditioning unit 4 in the underground factory building of the hydropower plant can be started and stopped by one key, the air conditioning system of the underground factory building can be switched by one key, the intelligent control level of the air conditioning air conditioner can be improved, the central control room on duty can also set the starting time of the underground factory building ventilation air conditioning system by a computer, the intelligent timing starting and stopping functions of the underground factory building system can be realized.
As a preferred example, the environment monitoring module 13 includes a temperature sensor, a humidity sensor and a smoke sensor, where the temperature sensor, the humidity sensor and the smoke sensor are all electrically connected with the operation terminal 3, the environment monitoring module 13 further includes an alarm, where the alarm is electrically connected with the smoke sensor, and after a fire, the fan of the related smoke exhaust air conditioning unit 4 can be quickly and accurately started to exhaust smoke, and when an un-started or a fault occurs, an alarm prompt can be sent, and the temperature sensor, the humidity sensor and the smoke sensor can be set in a plurality and installed at a corresponding position of an underground factory building of a hydropower plant according to requirements.
The operation terminal 3 comprises a central processor 31 and an operation platform 32, the operation platform 32 is electrically connected with the central processor 31, the central processor 31 is electrically connected with the monitoring unit 1 and the control unit 2, the operation terminal 3 further comprises a timer, the timer is electrically connected with the control unit 2, the starting and stopping time of the air conditioning unit 4 can be set, and the intelligent timing starting and stopping function of the air conditioning unit 4 of the underground powerhouse of the hydropower plant is realized.
As a preferred example, the air conditioning unit monitoring module 11 includes an operation state monitoring sub-module, an operation mode monitoring sub-module, and an air volume monitoring sub-module;
the working state monitoring sub-module is used for monitoring the working state of the corresponding air conditioner of the air conditioning unit 4, and after the control unit 2 sends out a start/stop control instruction, the control unit feeds back whether the corresponding air conditioner executes the instruction to the operation terminal 3 so as to judge whether the air conditioner can normally run;
the working mode monitoring sub-module is used for monitoring the working mode of the air conditioner corresponding to the air conditioning unit 4 at present and controlling the air conditioner to switch the working mode according to the air quality information in the hydropower station underground factory building acquired by the environment monitoring module 13;
the air volume monitoring module is used for monitoring the working state of the air conditioning unit 4 and the air volume under the working mode, and judging the performance of the air conditioner according to the comparative analysis of the air volume and the air volume.
The air conditioning unit monitoring module 11 further includes an electric quantity monitoring module, so as to monitor the electric quantity of the corresponding air conditioner of the air conditioning unit 4 in different working modes under the working state in real time, and further monitor the energy consumption condition of the air conditioner.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A ventilation air conditioning control system based on DDC, characterized in that: the system comprises a monitoring unit, a control unit, an operation terminal and an air conditioning unit, wherein the air conditioning unit is arranged in an underground factory building of a hydropower plant, the monitoring unit is electrically connected with the operation terminal, the operation terminal is electrically connected with the control unit, and the control unit is electrically connected with the air conditioning unit;
the monitoring unit is used for monitoring the working conditions of the air conditioning unit and the generator set and simultaneously monitoring the environmental information in the underground powerhouse of the hydropower plant;
the control unit is used for controlling the working state and the working mode of the air conditioning unit according to the information fed back by the monitoring unit;
the operation terminal is used for sending a control instruction to the control unit according to the information fed back by the monitoring unit;
the air conditioning unit is used for promoting air circulation in the underground powerhouse of the hydropower plant and adjusting the temperature, humidity and air quality of air in the underground powerhouse of the water power plant.
2. A DDC-based ventilation air conditioning control system as set forth in claim 1, wherein: the monitoring unit comprises an air conditioning unit monitoring module, a generator unit load monitoring module and an environment monitoring module;
the air conditioning unit monitoring module is used for monitoring information such as the working state, the working mode, the air inlet quantity or the air outlet quantity of the air conditioning unit;
the generator set load monitoring module is used for monitoring the operation load of the generator set;
the environment monitoring module is used for monitoring information such as air quality in the underground powerhouse of the hydropower plant.
3. A DDC-based ventilation air conditioning control system as set forth in claim 2, wherein: the environment monitoring module comprises a temperature sensor, a humidity sensor and a smoke sensor, wherein the temperature sensor, the humidity sensor and the smoke sensor are electrically connected with the operation terminal.
4. A DDC-based ventilation air conditioning control system as set forth in claim 2, wherein: the environmental monitoring module further includes an alarm electrically connected with the smoke sensor.
5. A DDC-based ventilation air conditioning control system as set forth in claim 1, wherein: the operation terminal comprises a central processing unit and an operation platform, wherein the operation platform is electrically connected with the central processing unit, and the central processing unit is electrically connected with the monitoring unit and the control unit.
6. The DDC based ventilation air conditioning control system of claim 5, wherein: the operation terminal further comprises a timer, and the timer is electrically connected with the control unit.
7. A DDC-based ventilation air conditioning control system as set forth in claim 2, wherein: the air conditioning unit monitoring module comprises a working state monitoring sub-module, a working mode monitoring sub-module and an air quantity monitoring sub-module;
the working state monitoring sub-module is used for monitoring the working state of a corresponding air conditioner of the air conditioner unit, and after the control unit sends out a start/stop control instruction, the control unit feeds back whether the corresponding air conditioner executes the instruction to the operation terminal so as to judge whether the air conditioner can normally operate;
the working mode monitoring submodule is used for monitoring the working mode of the air conditioner corresponding to the air conditioning unit at present and controlling the air conditioner to switch the working mode according to the air quality information in the underground factory building of the hydropower plant, which is acquired by the environment monitoring module;
the air quantity monitoring module is used for monitoring the working state of the air conditioning unit and the air quantity under the working mode, and judging the performance of the air conditioner according to the comparative analysis of the air quantity and the air quantity.
8. The DDC based ventilation air conditioning control system of claim 7, wherein: the air conditioning unit monitoring module further comprises an electric quantity monitoring module for monitoring the electric quantity of the corresponding air conditioner of the air conditioning unit in different working modes under the working state in real time, and further monitoring the energy consumption condition of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310481549.6A CN116518531A (en) | 2023-04-27 | 2023-04-27 | DDC-based ventilation air conditioner control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310481549.6A CN116518531A (en) | 2023-04-27 | 2023-04-27 | DDC-based ventilation air conditioner control system |
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| Publication Number | Publication Date |
|---|---|
| CN116518531A true CN116518531A (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310481549.6A Pending CN116518531A (en) | 2023-04-27 | 2023-04-27 | DDC-based ventilation air conditioner control system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212108911U (en) * | 2020-05-11 | 2020-12-08 | 天生桥一级水电开发有限责任公司水力发电厂 | Intelligent control system for ventilation air conditioner of factory building |
| CN113296564A (en) * | 2021-05-10 | 2021-08-24 | 中国水利水电第九工程局有限公司 | Intelligent ventilation control method and system for underground powerhouse of hydropower station |
-
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- 2023-04-27 CN CN202310481549.6A patent/CN116518531A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212108911U (en) * | 2020-05-11 | 2020-12-08 | 天生桥一级水电开发有限责任公司水力发电厂 | Intelligent control system for ventilation air conditioner of factory building |
| CN113296564A (en) * | 2021-05-10 | 2021-08-24 | 中国水利水电第九工程局有限公司 | Intelligent ventilation control method and system for underground powerhouse of hydropower station |
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