CN111536659A - Gas heat pump and electric multi-connected unit combined system and control method thereof - Google Patents
Gas heat pump and electric multi-connected unit combined system and control method thereof Download PDFInfo
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- CN111536659A CN111536659A CN202010438603.5A CN202010438603A CN111536659A CN 111536659 A CN111536659 A CN 111536659A CN 202010438603 A CN202010438603 A CN 202010438603A CN 111536659 A CN111536659 A CN 111536659A
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- gas
- heat pump
- air conditioner
- gas heat
- split air
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—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
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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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
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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
-
- 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
- F24F11/88—Electrical aspects, e.g. circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a gas heat pump and electricity multi-connected unit combined system and a control method thereof, wherein an outdoor unit of the system comprises a gas multi-connected unit and an electricity multi-connected unit, and is uniformly controlled by a controller of the system; the gas multi-split air conditioner and the electric multi-split air conditioner are communicated through a line; the indoor unit of the system comprises a plurality of indoor unit modules, and is communicated with any outdoor unit through a circuit; a clock is arranged on a main control substrate in the controller; the gas multi-split air conditioner drives a compressor to operate by adopting a gas engine to perform refrigeration and heating circulation; the electric multi-split air conditioner drives the compressor to operate through electric power to perform refrigeration and heating circulation. The gas multi-split air conditioner and the electric multi-split air conditioner simultaneously serve as outdoor units and are independently controlled, the price difference of different energy sources is fully utilized, the system is driven to work by adopting different energy sources in different time periods, and favorable conditions are created for improving economic benefits.
Description
Technical Field
The invention relates to an air conditioning system and a control method, in particular to a multi-split air conditioning system and a control method, and specifically relates to a gas heat pump and electric multi-split air conditioning combined system and a control method thereof.
Background
At present, most of the existing multi-split air conditioning systems are driven by electricity, and a small part of the existing multi-split air conditioning systems are driven by a gas engine. Moreover, the two forms of multi-split air conditioners are basically used independently. Meanwhile, peak-valley difference is applied to the electricity charge of most areas in China, and the electricity charge at night is far lower than that at daytime. Moreover, the gas cost is poor in season, the gas cost in summer is far lower than that in winter, and even a policy of replying the natural gas price in summer exists in partial areas. Therefore, the price difference of different energy sources cannot be fully utilized by using a single driving mode, which is not beneficial to the improvement of economic benefits and needs to be improved.
Disclosure of Invention
The invention aims to provide a gas heat pump and electric multi-connected unit combined system and a control method thereof aiming at the defects of the prior art.
The technical scheme of the invention is as follows:
a gas heat pump and electric multi-connected unit combined system, the outdoor unit of the system includes a gas multi-connected unit and an electric multi-connected unit, and is controlled by the controller of the system; the gas multi-split air conditioner and the electric multi-split air conditioner are communicated through a line; the indoor unit of the system comprises a plurality of indoor unit modules, and is communicated with any outdoor unit through a circuit; a clock is arranged on a main control substrate in the controller; the gas multi-split air conditioner drives a compressor to operate by adopting a gas engine to perform refrigeration and heating circulation; the electric multi-split air conditioner drives the compressor to operate through electric power to perform refrigeration and heating circulation.
Furthermore, the main control substrate can record electricity price and gas price parameters and can automatically calculate the cost.
A control method of a gas heat pump and electric multi-connected unit combined system comprises the following steps:
1) refrigerating operation;
1.1) acquiring the current real-time T;
1.2) if T e T1, go to step 1.3); if T e T2, go to step 1.6); if T e T3, go to step 1.5); wherein t1 is the usual time period; t2 is the electricity price valley period; t3 is the peak period of electricity rate;
1.3) calculating Cec = a × Wec, and Cgc = a × Wgc + B1 × Mgc; wherein: cec is the refrigeration running cost of the electric multi-connected machine; a is the electricity price in the ordinary time period; wec is the rated power consumption of the refrigeration of the electric multi-connected machine; cgc is the refrigeration running cost of the gas heat pump; wgc is the refrigeration rated power consumption of the gas heat pump; b1 is the summer gas price; mgc is the gas consumption of the gas heat pump;
1.4) if Cec > Cgc, go to step 1.5); otherwise, turning to step 1.6);
1.5) operating by taking a gas heat pump as a main machine;
1.6) operating by taking an electric multi-connected air conditioner as a host;
2) heating operation;
2.1) acquiring the current real-time T;
2.2) if T e T1, go to step 1.3); if T ∈ T2, go to step 2.6); if T e T3, go to step 2.5); wherein t1 is the usual time period; t2 is the electricity price valley period; t3 is the peak period of electricity rate;
2.3) calculating Ceh = a × Weh, and Cgh = a × Wgh + B2 × Mgh; wherein: ceh is the heat running cost of the electric multi-connected machine; a is the electricity price in the ordinary time period; weh is the heat rated power consumption of the electric multi-split system; cgh is the heating running cost of the gas heat pump; wgh is the heating rated power consumption of the gas heat pump; b2 is the gas price in winter; mgh is the gas consumption of gas heat pump;
2.4) if Ceh > Cgh, go to step 2.5); otherwise, turning to step 2.6);
2.5) operating by taking the gas heat pump as a main machine;
2.6) operating by taking the electric multi-connection machine as a main machine.
Further, in the step 1.2) or 2.2), t1, t2 and t3 are manually input.
The invention has the beneficial effects that:
the invention has reasonable design, clear logic and simple structure, fully utilizes the price difference of different energy sources by simultaneously using the gas multi-split air conditioner and the electric multi-split air conditioner as outdoor units and independently controlling, adopts different energy sources to drive the system to work in different time periods, and creates favorable conditions for improving economic benefits.
Drawings
Fig. 1 is a control flow diagram of the cooling mode of the present invention.
Fig. 2 is a schematic control flow diagram of the heating mode according to the present invention.
Wherein: the EHP is an electric multi-connected unit; GHP is the gas multi-connected machine.
Detailed Description
The invention is further described below with reference to the figures and examples.
An outdoor unit of the system comprises a gas multi-connected unit and an electric multi-connected unit, and is uniformly controlled by a controller of the system. Meanwhile, the gas multi-split air conditioner and the electric multi-split air conditioner are communicated through a circuit, so that the controllers can obtain respective operation parameters and control the respective independent operation of the controllers. The indoor unit of the system comprises a plurality of indoor unit modules, and the indoor units are respectively communicated with any outdoor unit through lines, so that the outdoor unit and the indoor units can be matched in time. The main control substrate in the controller is provided with a clock, and electricity price and gas price parameters can be manually input, so that the cost can be automatically calculated, and the use of the outdoor unit can be regulated and controlled according to the operation time period of the system. The gas multi-split air conditioner drives a compressor to operate by adopting a gas engine to perform refrigeration and heating circulation; the electric multi-split air conditioner drives the compressor to operate through electric power to perform refrigeration and heating circulation.
A control method of a gas heat pump and electric multi-split air conditioning combined system, as shown in fig. 1 and 2, comprises the following steps:
1) refrigerating operation;
1.1) acquiring the current real-time T;
1.2) if T e T1, go to step 1.3); if T e T2, go to step 1.6); if T e T3, go to step 1.5); wherein t1 is the usual time period; t2 is the electricity price valley period; t3 is the peak period of electricity rate; the t1, t2 and t3 can be input manually;
1.3) calculating Cec = a × Wec, and Cgc = a × Wgc + B1 × Mgc; wherein: cec is the refrigeration running cost of the electric multi-connected machine; a is the electricity price in the ordinary time period; wec is the rated power consumption of the refrigeration of the electric multi-connected machine; cgc is the refrigeration running cost of the gas heat pump; wgc is the refrigeration rated power consumption of the gas heat pump; b1 is the summer gas price; mgc is the gas consumption of the gas heat pump;
1.4) if Cec > Cgc, go to step 1.5); otherwise, turning to step 1.6);
1.5) operating by taking a gas heat pump as a main machine;
1.6) operating by taking an electric multi-connected air conditioner as a host;
2) heating operation;
2.1) acquiring the current real-time T;
2.2) if T e T1, go to step 1.3); if T ∈ T2, go to step 2.6); if T e T3, go to step 2.5); wherein t1 is the usual time period; t2 is the electricity price valley period; t3 is the peak period of electricity rate; the t1, t2 and t3 can be input manually;
2.3) calculating Ceh = a × Weh, and Cgh = a × Wgh + B2 × Mgh; wherein: ceh is the heat running cost of the electric multi-connected machine; a is the electricity price in the ordinary time period; weh is the heat rated power consumption of the electric multi-split system; cgh is the heating running cost of the gas heat pump; wgh is the heating rated power consumption of the gas heat pump; b2 is the gas price in winter; mgh is the gas consumption of gas heat pump;
2.4) if Ceh > Cgh, go to step 2.5); otherwise, turning to step 2.6);
2.5) operating by taking the gas heat pump as a main machine;
2.6) operating by taking the electric multi-connection machine as a main machine.
The host in the above method refers to: when only one outdoor unit is needed to operate, the main unit is always operated.
At present, the price of fuel gas (natural gas) in most areas of China is divided into summer fuel gas price and winter fuel gas price, so that the corresponding price can be manually input into the controller according to different seasons of system use. And then, the gas charge and the electric charge are calculated and compared to determine the priority for using the gas multi-split air conditioner and the electric multi-split air conditioner, so that the use cost of the system is reduced to the maximum extent.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (4)
1. The utility model provides a gas heat pump and electric multiplex combination system which characterized by: the outdoor unit of the system comprises a gas multi-split air conditioner and an electric multi-split air conditioner, and is uniformly controlled by a controller of the system; the gas multi-split air conditioner and the electric multi-split air conditioner are communicated through a line; the indoor unit of the system comprises a plurality of indoor unit modules, and is communicated with any outdoor unit through a circuit; a clock is arranged on a main control substrate in the controller; the gas multi-split air conditioner drives a compressor to operate by adopting a gas engine to perform refrigeration and heating circulation; the electric multi-split air conditioner drives the compressor to operate through electric power to perform refrigeration and heating circulation.
2. The gas heat pump and electric multi-connected unit combined system as claimed in claim 1, wherein: the main control substrate can record electricity price and gas price parameters and can automatically calculate the cost.
3. A control method of a gas heat pump and electric multi-connected unit combined system is characterized by comprising the following steps: the method comprises the following steps:
1) refrigerating operation;
1.1) acquiring the current real-time T;
1.2) if T e T1, go to step 1.3); if T e T2, go to step 1.6); if T e T3, go to step 1.5); wherein t1 is the usual time period; t2 is the electricity price valley period; t3 is the peak period of electricity rate;
1.3) calculating Cec = a × Wec, and Cgc = a × Wgc + B1 × Mgc; wherein: cec is the refrigeration running cost of the electric multi-connected machine; a is the electricity price in the ordinary time period; wec is the rated power consumption of the refrigeration of the electric multi-connected machine; cgc is the refrigeration running cost of the gas heat pump; wgc is the refrigeration rated power consumption of the gas heat pump; b1 is the summer gas price; mgc is the gas consumption of the gas heat pump;
1.4) if Cec > Cgc, go to step 1.5); otherwise, turning to step 1.6);
1.5) operating by taking a gas heat pump as a main machine;
1.6) operating by taking an electric multi-connected air conditioner as a host;
2) heating operation;
2.1) acquiring the current real-time T;
2.2) if T e T1, go to step 1.3); if T ∈ T2, go to step 2.6); if T e T3, go to step 2.5); wherein t1 is the usual time period; t2 is the electricity price valley period; t3 is the peak period of electricity rate;
2.3) calculating Ceh = a × Weh, and Cgh = a × Wgh + B2 × Mgh; wherein: ceh is the heat running cost of the electric multi-connected machine; a is the electricity price in the ordinary time period; weh is the heat rated power consumption of the electric multi-split system; cgh is the heating running cost of the gas heat pump; wgh is the heating rated power consumption of the gas heat pump; b2 is the gas price in winter; mgh is the gas consumption of gas heat pump;
2.4) if Ceh > Cgh, go to step 2.5); otherwise, turning to step 2.6);
2.5) operating by taking the gas heat pump as a main machine;
2.6) operating by taking the electric multi-connection machine as a main machine.
4. The control method of the gas heat pump and electric multi-connected unit combined system as claimed in claim 3, wherein: in said step 1.2) or 2.2), by manually entering t1, t2 and t 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010438603.5A CN111536659A (en) | 2020-05-22 | 2020-05-22 | Gas heat pump and electric multi-connected unit combined system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010438603.5A CN111536659A (en) | 2020-05-22 | 2020-05-22 | Gas heat pump and electric multi-connected unit combined system and control method thereof |
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| CN111536659A true CN111536659A (en) | 2020-08-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728807A (en) * | 2021-02-01 | 2021-04-30 | 南京天加环境科技有限公司 | Combined type water cooling and heating unit system and control method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000181A (en) * | 2007-01-09 | 2007-07-18 | 南京大学 | Solar-natural gas combined driven energy-saving air condioner |
| CN102410592A (en) * | 2011-10-23 | 2012-04-11 | 西安交通大学 | Combined refrigeration system by fuel gas combined cycle and solar power generation and scheduling method thereof |
| 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 |
| CN104456845A (en) * | 2014-11-21 | 2015-03-25 | 上海卓源节能科技有限公司 | Public building central air-conditioning preopen time calculating method |
| CN105697137A (en) * | 2016-01-22 | 2016-06-22 | 北京建工建筑设计研究院 | Building complex combined energy system and method thereof |
| CN107131594A (en) * | 2017-04-18 | 2017-09-05 | 海南佩尔优科技有限公司 | A kind of water energy-storage system and its control method |
| KR20180009468A (en) * | 2016-07-19 | 2018-01-29 | 주식회사 아트닉스 | Misting module for cooling condenser |
| CN107924542A (en) * | 2015-06-24 | 2018-04-17 | 艾默生电气公司 | HVAC performances and energy use monitoring and reporting system |
| CN109737570A (en) * | 2019-01-21 | 2019-05-10 | 中国电力科学研究院有限公司 | A kind of multi-connection operation regulation method and system |
| KR20190098576A (en) * | 2018-02-14 | 2019-08-22 | 이웅무 | Apparatus and method for air cleaning using separate electrical discharge compartment |
| 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 |
-
2020
- 2020-05-22 CN CN202010438603.5A patent/CN111536659A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000181A (en) * | 2007-01-09 | 2007-07-18 | 南京大学 | Solar-natural gas combined driven energy-saving air condioner |
| 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 |
| CN102410592A (en) * | 2011-10-23 | 2012-04-11 | 西安交通大学 | Combined refrigeration system by fuel gas combined cycle and solar power generation and scheduling method thereof |
| CN104456845A (en) * | 2014-11-21 | 2015-03-25 | 上海卓源节能科技有限公司 | Public building central air-conditioning preopen time calculating method |
| CN107924542A (en) * | 2015-06-24 | 2018-04-17 | 艾默生电气公司 | HVAC performances and energy use monitoring and reporting system |
| CN105697137A (en) * | 2016-01-22 | 2016-06-22 | 北京建工建筑设计研究院 | Building complex combined energy system and method thereof |
| KR20180009468A (en) * | 2016-07-19 | 2018-01-29 | 주식회사 아트닉스 | Misting module for cooling condenser |
| CN107131594A (en) * | 2017-04-18 | 2017-09-05 | 海南佩尔优科技有限公司 | A kind of water energy-storage system and its control method |
| KR20190098576A (en) * | 2018-02-14 | 2019-08-22 | 이웅무 | Apparatus and method for air cleaning using separate electrical discharge compartment |
| CN109737570A (en) * | 2019-01-21 | 2019-05-10 | 中国电力科学研究院有限公司 | A kind of multi-connection operation regulation method and system |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728807A (en) * | 2021-02-01 | 2021-04-30 | 南京天加环境科技有限公司 | Combined type water cooling and heating unit system and control method thereof |
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Application publication date: 20200814 |