CN111536664A - Virtual power plant system of gas coupling central air conditioner - Google Patents
Virtual power plant system of gas coupling central air conditioner Download PDFInfo
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- CN111536664A CN111536664A CN202010387854.5A CN202010387854A CN111536664A CN 111536664 A CN111536664 A CN 111536664A CN 202010387854 A CN202010387854 A CN 202010387854A CN 111536664 A CN111536664 A CN 111536664A
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F11/89—Arrangement or mounting of control or safety devices
Abstract
The invention discloses a virtual power plant system of a gas-coupled central air conditioner, and relates to the technical field of central air conditioners. The device comprises a monitoring module, a networking module, a control module, a setting module, a gas module and an electric power module, wherein the control module is electrically connected with the monitoring module, the networking module and the setting module respectively, the control module is connected with the gas module and the electric power module respectively, and the gas module comprises an integrated direct-fired machine. The invention reduces the power consumption demand of the urban power grid in the peak period of power consumption after the integrated direct-fired machine provides the water for the air conditioner, saves considerable electric charge, and has the advantages of fast start, low operation cost, environment-friendly metabolic products and no influence on the environment by using the integrated direct-fired machine and taking natural gas as energy.
Description
Technical Field
The invention belongs to the technical field of central air conditioners, and particularly relates to a virtual power plant system of a gas-coupled central air conditioner.
Background
In the existing conventional central air-conditioning system, the power of air-conditioning equipment comes from an urban power grid.
The existing conventional central air-conditioning system has the following problems:
the air conditioner power load is closely related to the climate and the temperature, and the power load is large in summer; the electricity load is different in the whole day, and is large when the temperature is high in the noon and small when the temperature is low in the evening. Unstable electrical loads cause great impact on the urban power grid.
At present, the electricity consumption of each large city in China adopts peak-to-valley electricity price, the electricity price is expensive in the peak period of electricity consumption, the peak period of electricity consumption of an air conditioning system is coincided with the peak period of electricity price, and the electricity cost is huge.
Disclosure of Invention
The invention aims to provide a virtual power plant system of a gas-coupled central air conditioner, aiming at the defects in the prior art, the integrated direct-fired machine is coupled with an electric water chilling unit, so that part of water for air conditioning is provided in an electricity utilization peak period or all the water meets the cooling or heating requirements of an energy utilization main body, and the use cost of the central air conditioner is reduced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a gas coupling central air conditioning virtual power plant system which comprises a monitoring module, a networking module, a control module, a setting module, a gas module and a power module, wherein the control module is respectively and electrically connected with the monitoring module, the networking module and the setting module;
the monitoring module comprises a temperature detector, the temperature detector is used for monitoring the real-time temperature of indoor and outdoor environments, and the temperature detector sends indoor temperature data and outdoor temperature data to the control module;
the networking module comprises a network adapter, and the control module obtains real-time electricity price and real-time gas price from the internet through the network adapter;
the control module comprises a microprocessor and a memory, the microprocessor processes the collected data, performs a control decision by combining with a target temperature, and controls the gas module and the power module according to the control decision, the memory is convenient for storing and calling the data, the microprocessor is electrically connected with the memory, the microprocessor transmits indoor temperature data, outdoor temperature data, real-time electricity price and real-time gas price to the memory for storage, and the control module respectively controls the gas module and the power module to work or stop;
the setting module comprises input equipment, the input equipment is electrically connected with the control module, the input equipment sends the target temperature to the control module, the user sets the target temperature through the input module, the control module collects and analyzes all data, and the temperature of the gas module and the power module is controlled and adjusted.
Preferably, the system also comprises a water separator, an air conditioner water supply device, a first water supply control valve, a second water supply control valve, a water collector, an air conditioner water return device, a first water return control valve and a second water return control valve;
the electric power module comprises a water chilling unit, a first cooling tower, a first cooling water pump and a first chilled water pump, wherein the first cooling tower and the water chilling unit are matched with each other through two groups of pipelines to form a closed circulation structure, the first cooling water pump is arranged on a pipeline for conveying cooling water to the first cooling tower by the water chilling unit, the water chilling unit is connected with the water separator sequentially through the first chilled water pump and the second water supply control valve, the water chilling unit is connected with the water collecting tank through the second water return control valve, and the electric power module drives the water chilling unit through electric power to provide heat transfer power for the central air conditioner;
the integrated direct-fired machine is connected with the water distributor sequentially through the second freezing water pump and the first water supply control valve, the integrated direct-fired machine is connected with the water collector through the first water return control valve, and the gas module drives the integrated direct-fired machine by burning natural gas to provide heat transfer power for the central air conditioner;
the water collector is connected with the air conditioner water return device, the water distributor is connected with the air conditioner water supply device, the air conditioner water supply device is connected with the air conditioner water return device through a pipeline, the air conditioner water supply device is communicated with the air conditioner water return device, and cooling water forms circulating reflux.
Preferably, the first water supply control valve, the second water supply control valve, the first water return control valve and the second water return control valve are all electrically connected with the control module.
Preferably, the input device comprises a keyboard or a mouse or a touch display or a remote controller, which facilitates setting of the target temperature.
Preferably, the network adapter comprises a wireless communication module or an RJ45 wired network interface, which improves the use experience.
Preferably, the setting module further comprises a display, the display is electrically connected with the control module, the control module calls real-time gas price, real-time electricity price, indoor temperature and outdoor temperature data from the memory and transmits the real-time gas price, the real-time electricity price, the indoor temperature and the outdoor temperature data to the display for display, and a user can conveniently know the working details of the central air conditioner in real time.
The invention has the following beneficial effects:
the invention reduces the power consumption demand of the urban power grid in the peak period of power consumption after the integrated direct-fired machine provides the water for the air conditioner, saves considerable electric charge, and has the advantages of fast start, low operation cost, environment-friendly metabolic products and no influence on the environment by using the integrated direct-fired machine and taking natural gas as energy.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a gas coupled central air conditioning virtual power plant system of the present invention;
FIG. 2 is a schematic view of a coupling connection structure of a gas module and a power module of the gas coupling central air-conditioning virtual power plant system according to the present invention;
FIG. 3 is a flowchart of a control method of the virtual power plant system of the gas-coupled central air-conditioning system according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a water chilling unit, 2-a first cooling tower, 3-a first cooling water pump, 4-a first chilled water pump, 5-a water separator, 6-an air conditioner water supply device, 7-a first water supply control valve, 8-a second water supply control valve, 9-an integrated direct combustion engine, 10-a second cooling tower, 11-a second cooling water pump, 12-a second chilled water pump, 13-a water collector, 14-an air conditioner water return device, 15-a first water return control valve and 16-a second water return control valve.
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.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the invention relates to a gas coupling central air conditioning virtual power plant system, which comprises a monitoring module, a networking module, a control module, a setting module, a gas module and a power module, wherein the control module is electrically connected with the monitoring module, the networking module and the setting module respectively, and is connected with the gas module and the power module respectively;
the monitoring module comprises a temperature detector, the temperature detector is used for monitoring the real-time temperature of indoor and outdoor environments, and the temperature detector sends indoor temperature data and outdoor temperature data to the control module;
the networking module comprises a network adapter, and the control module obtains real-time electricity price and real-time gas price from the internet through the network adapter;
the control module comprises a microprocessor and a memory, the microprocessor processes the collected data, performs control decision by combining with target temperature, and controls the gas module and the power module according to the control decision, the memory is convenient for storing and calling the data, the microprocessor is electrically connected with the memory, the microprocessor transmits indoor temperature data, outdoor temperature data, real-time electricity price and real-time gas price to the memory for storage, and the control module respectively controls the gas module and the power module to work or stop;
the setting module comprises input equipment, the input equipment is electrically connected with the control module, the input equipment sends target temperature to the control module, a user sets the target temperature through the input module, the control module collects and analyzes all data, and the gas module and the power module are controlled to adjust temperature.
Further, the first water supply control valve 7, the second water supply control valve 8, the first water return control valve 15 and the second water return control valve 16 are all electrically connected with the control module.
Further, the input device comprises a keyboard or a mouse or a touch display or a remote controller, which facilitates setting of the target temperature.
Further, the network adapter comprises a wireless communication module or an RJ45 wired network interface, so that the use experience is improved.
Further, the setting module further comprises a display, the display is electrically connected with the control module, the control module calls real-time gas price, real-time electricity price, indoor temperature and outdoor temperature data from the storage, and transmits the real-time gas price, the real-time electricity price, the indoor temperature and the outdoor temperature data to the display for displaying, so that a user can know the working details of the central air conditioner in real time.
Referring to fig. 2, the present invention is a virtual power plant system of a gas-coupled central air conditioner, further including a water separator 5, an air conditioner water supply device 6, a first water supply control valve 7, a second water supply control valve 8, a water collector 13, an air conditioner water return device 14, a first water return control valve 15, and a second water return control valve 16;
the electric power module comprises a water chilling unit 1, a first cooling tower 2, a first cooling water pump 3 and a first chilled water pump 4, the first cooling tower 2 and the water chilling unit 1 are matched with each other through two groups of pipelines to form a closed circulation structure, the first cooling water pump 3 is arranged on a pipeline for conveying cooling water to the first cooling tower 2 by the water chilling unit 1, the water chilling unit 1 is connected with a water separator 5 sequentially through the first chilled water pump 4 and a second water supply control valve 8, the water chilling unit 1 is connected with a water collecting tank 13 through a second water return control valve 16, and the electric power module drives the water chilling unit 1 through electric power to provide heat transfer power for the central air conditioner;
the gas module comprises an integrated direct-fired machine 9, a second cooling tower 10, a second cooling water pump 11 and a second chilled water pump 12, the integrated direct-fired machine 9 and the second cooling tower 10 are mutually matched through two groups of pipelines to form a closed circulation structure, the second cooling water pump 11 is arranged on a pipeline for conveying cooling water to the second cooling tower 10 by the integrated direct-fired machine 9, the integrated direct-fired machine 9 is connected with the water distributor 5 sequentially through the second chilled water pump 12 and the first water supply control valve 7, the integrated direct-fired machine 9 is connected with the water collector 13 through the first water return control valve 15, and the gas module drives the integrated direct-fired machine 9 through burning natural gas to provide heat and transfer power for the central air conditioner;
the water collector 13 is connected with the air conditioner water return device 14, the water separator 5 is connected with the air conditioner water supply device 6, the air conditioner water supply device 6 is connected with the air conditioner water return device 14 through a pipeline, the air conditioner water supply device 6 is communicated with the air conditioner water return device 14, and cooling water forms circulation backflow.
Referring to fig. 3, the present invention is a virtual power plant system of a gas-coupled central air conditioner, preferably, the measurement range of the temperature detector is-60 ℃ to 120 ℃, the accuracy is 0.1 ℃, the gas module and the power module both select devices with adaptive power according to the actual environmental space volume of the central air conditioner, and the control method thereof is as follows:
the method comprises the following steps: the control module monitors the temperature of the environment in real time through the monitoring module, the indoor temperature is recorded as T1, and the outdoor temperature is recorded as T2;
step two: the control module acquires a local real-time gas price C1 and a local real-time electric power price C2 from the Internet through the networking module;
step three: the setting module sets a target temperature T3 to the control module;
step four: the control module respectively stores refrigeration and heating energy efficiency ratios of the gas module and the power module in a memory, wherein the refrigeration energy efficiency ratio of the gas module is Qc1, the heating energy efficiency ratio is Qh1, the refrigeration energy efficiency ratio of the power module is Qc2, and the heating energy efficiency ratio is Qh 2;
step four: the control module compares the indoor temperature T1 with the target temperature T3 to determine whether the central air conditioner is in a heating or cooling mode;
step five: calculating the price P2 of the electricity fee and the price P1 of the gas fee required by the unit heating or cooling capacity according to the heating mode or the cooling mode;
step six: comparing the electric charge P2 with the gas charge P1, and when P2 is more than P1, the control module calls the gas module to refrigerate or heat and closes the power module; when P1 is more than P2, the control module calls the electric module to cool or heat, and closes the gas module.
Taking the refrigeration mode as an example, when the same refrigeration capacity is achieved, the calculation method of the electricity fee price P2 and the gas fee price P1 is as follows:
in the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. Virtual power plant system of gas coupling central air conditioning, including monitoring module, networking module, control module, set up module, gas module and electric power module, its characterized in that: the control module is respectively and electrically connected with the monitoring module, the networking module and the setting module, and the control module is respectively connected with the gas module and the power module;
the monitoring module comprises a temperature detector, and the temperature detector sends indoor temperature data and outdoor temperature data to the control module;
the networking module comprises a network adapter, and the control module obtains real-time electricity price and real-time gas price from the internet through the network adapter;
the control module comprises a microprocessor and a memory, the microprocessor is electrically connected with the memory, the microprocessor transmits indoor temperature data, outdoor temperature data, real-time electricity price and real-time gas price to the memory for storage, and the control module respectively controls the gas module and the power module to work or stop;
the setting module comprises input equipment, the input equipment is electrically connected with the control module, and the input equipment sends the target temperature to the control module.
2. The gas-coupled central air-conditioning virtual power plant system according to claim 1, further comprising a water separator (5), an air-conditioning water supply device (6), a first water supply control valve (7), a second water supply control valve (8), a water collector (13), an air-conditioning water return device (14), a first water return control valve (15) and a second water return control valve (16);
the electric power module comprises a water chilling unit (1), a first cooling tower (2), a first cooling water pump (3) and a first freezing water pump (4), wherein the first cooling tower (2) and the water chilling unit (1) are matched with each other through two groups of pipelines to form a closed circulation structure, the first cooling water pump (3) is arranged on a pipeline for conveying cooling water to the first cooling tower (2) by the water chilling unit (1), the water chilling unit (1) is connected with a water distributor (5) sequentially through the first freezing water pump (4) and a second water supply control valve (8), and the water chilling unit (1) is connected with a water collecting tank (13) through a second water return control valve (16);
the gas module comprises an integrated direct-fired machine (9), a second cooling tower (10), a second cooling water pump (11) and a second chilled water pump (12), the integrated direct-fired machine (9) and the second cooling tower (10) are mutually matched through two groups of pipelines to form a closed circulation structure, the second cooling water pump (11) is arranged on a pipeline for conveying cooling water to the second cooling tower (10) by the integrated direct-fired machine (9), the integrated direct-fired machine (9) is connected with the water distributor (5) sequentially through the second chilled water pump (12) and the first water supply control valve (7), and the integrated direct-fired machine (9) is connected with the water collector (13) through the first water return control valve (15);
the water collector (13) is connected with the air conditioner water return device (14), the water distributor (5) is connected with the air conditioner water supply device (6), and the air conditioner water supply device (6) is connected with the air conditioner water return device (14) through a pipeline.
3. The virtual power plant system of claim 1 or 2, wherein the first water supply control valve (7), the second water supply control valve (8), the first water return control valve (15) and the second water return control valve (16) are electrically connected with the control module.
4. The gas-coupled central air-conditioning virtual power plant system according to claim 1, wherein the input device comprises a keyboard or a mouse or a touch display or a remote control.
5. The gas-coupled central air-conditioning virtual power plant system of claim 1, wherein the network adapter comprises a wireless communication module or an RJ45 wired network interface.
6. The virtual power plant system of claim 1, wherein the setting module further comprises a display electrically connected to the control module, and the control module calls real-time gas price, real-time electricity price, indoor temperature and outdoor temperature data from the memory and transmits the real-time gas price, real-time electricity price, indoor temperature and outdoor temperature data to the display for display.
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| CN202010387854.5A CN111536664A (en) | 2020-05-09 | 2020-05-09 | Virtual power plant system of gas coupling central air conditioner |
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| CN202010387854.5A CN111536664A (en) | 2020-05-09 | 2020-05-09 | Virtual power plant system of gas coupling central air conditioner |
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| CN111121336A (en) * | 2019-12-19 | 2020-05-08 | 青岛索迷尔能源科技有限公司 | Double-power single-pass driving heat pump with double-clutch gearbox switching |
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2020
- 2020-05-09 CN CN202010387854.5A patent/CN111536664A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102444986A (en) * | 2010-09-30 | 2012-05-09 | 艾欧史密斯(中国)热水器有限公司 | Duel-energy-source hot water supply system for implementing economical operation and operation method thereof |
| CN104329778A (en) * | 2014-11-24 | 2015-02-04 | 珠海格力电器股份有限公司 | Control method and system for multi-heat source-integrated air conditioning unit |
| CN106051959A (en) * | 2016-07-08 | 2016-10-26 | 上海大学 | Energy conservation optimization system for central air conditioner |
| CN106503914A (en) * | 2016-11-04 | 2017-03-15 | 国电南瑞科技股份有限公司 | A kind of polynary economy of energy method for optimizing scheduling towards cooling heating and power generation system |
| CN109859071A (en) * | 2019-01-28 | 2019-06-07 | 上海电力学院 | The source lotus that virtual plant is provided multiple forms of energy to complement each other stores up Optimal Configuration Method |
| CN111121336A (en) * | 2019-12-19 | 2020-05-08 | 青岛索迷尔能源科技有限公司 | Double-power single-pass driving heat pump with double-clutch gearbox switching |
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