CN111795451A - Hybrid energy central air conditioning system - Google Patents
Hybrid energy central air conditioning system Download PDFInfo
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- CN111795451A CN111795451A CN201910274511.5A CN201910274511A CN111795451A CN 111795451 A CN111795451 A CN 111795451A CN 201910274511 A CN201910274511 A CN 201910274511A CN 111795451 A CN111795451 A CN 111795451A
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- air conditioner
- cold
- pipeline
- indoor
- 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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
Abstract
The invention discloses a mixed energy central air-conditioning system which comprises the following components: two different energy source modes are adopted for heating and refrigeration. The heat supply adopts heat energy generated by burning natural gas and the like, and the refrigeration adopts electric energy to compress refrigerants to generate cold air. The system comprises: the air conditioner comprises a combustion hot water boiler (1), an electric refrigeration air conditioner outdoor unit (2), an intelligent central cold-heat exchanger (3), an air conditioner indoor unit (4), a central controller (5), a cold water return pipeline (6), a hot water feed pipeline (7), a refrigerant return pipeline (8), a refrigerant feed pipeline (9), an indoor air conditioner cold water pipeline (10), an indoor air conditioner hot water pipeline (11) and a control signal circuit (12). During heating, water is circularly heated by the boiler and then enters the cold-heat exchanger through the water supply pipeline and the water return pipeline to exchange heat energy with the indoor circulating system, and the heat energy is conveyed to the indoor. During refrigeration, the refrigerant enters the cold-heat exchanger through the supply and return pipelines to exchange heat with the indoor circulating system after being refrigerated by the air conditioner external unit, and conveys cold air to the indoor. And the indoor air temperature is adjusted.
Description
Technical Field
The invention relates to a mixed energy indoor air temperature adjusting system, in particular to a central air conditioning system.
Background
Currently, people adopt the following mode for effectively regulating the indoor air temperature, 1, electric air conditioners (including air energy) are adopted for cooling and heating the room air. 2, heating water of the combustion boiler is adopted to be matched with floor heating, radiators or other radiating equipment for radiating heat to heat the air of the room. 3, various heating appliances (such as electric oil heaters, warm air blowers, small sun lights and the like) made of electric heating wires are used for indoor heat supply.
In winter, high electricity cost is generated by various electric heaters regardless of the air-conditioning heating mode. And the traditional heating mode has two types: one is laying floor heating, and the sacrificial layer is high; a laying radiator sacrifices the room area and affects the beauty.
The function of the air conditioner indoor unit is to dissipate cold air and heat energy produced by the air conditioner outdoor unit in a room. Therefore, the air conditioner internal unit can not only radiate cold air produced by the air conditioner external unit, but also radiate heat energy provided by the combustion boiler.
For refrigeration, the best and most effective method is to use electric power to drive an air conditioner external unit to work to compress a refrigerant for refrigeration; for heating, a thermal boiler directly burns fuel to provide a heat source, which is the most energy-saving and effective method at present.
Disclosure of Invention
The invention aims to design a set of hybrid energy central air-conditioning system, which gives full play to the respective advantages and makes the best use of the things.
The invention utilizes the air conditioner external unit as a cold air source, the combustion boiler as a hot air source and the air conditioner internal unit as indoor cold dissipation or heat dissipation equipment to adjust the indoor air temperature.
The invention is not limited by regions, has wide application regions and can be normally used in severe cold regions. Because the heating mode adopts the strong blowing type heat dissipation to force the indoor air to flow, the indoor air is heated rapidly and can be used as needed, and the air can be used immediately after being opened, thereby achieving the purposes of saving energy, reducing emission, saving operating cost and the like.
The invention saves the investment of equipment cost and decoration cost because the heat dissipation system and the indoor circulating system of the air conditioner use the same equipment, thereby achieving the purpose of reducing the investment of disposable equipment.
The invention has wide application, can be widely applied to places such as family residences, buildings, hospitals, hotels, restaurants, office buildings, factories, schools and the like, and has simple and convenient installation and maintenance.
The invention comprises the following steps: the air conditioner comprises a combustion hot water boiler (1), an electric refrigeration air conditioner external unit (2), an intelligent central cold-heat exchanger (3), an air conditioner internal unit (4), a central controller (5), a cold water return pipeline (6), a hot water feed pipeline (7), a refrigerant return pipeline (8), a refrigerant feed pipeline (9), an indoor air conditioner cold water pipeline (10), an indoor air conditioner hot water pipeline (11) and a control signal circuit (12). A display and control panel (or a remote controller) (13), an indoor unit main control (14), an intelligent central cold-heat exchanger main control (15), an air conditioner outdoor unit main control (16) and a fuel hot water boiler main control (17).
The invention relates to a combustion hot water boiler (1) for providing heat energy; gas water heaters, wall-mounted boilers, gas boilers, coal-fired boilers, oil-fired boilers, central heating pipeline heat sources, and the like can be used.
The refrigeration air conditioner external unit (2) provides a cold air source; electric power is used to compress the refrigerant for cooling.
The intelligent central cold-heat exchanger (3) is a device for exchanging heat between hot water provided by a combustion boiler or low-temperature refrigerant provided by an air conditioner external unit and an indoor air refrigeration and heat dissipation air conditioning circulating system.
The air conditioner indoor unit (4) is equipment for strongly exhausting and dissipating hot air and cold air indoors.
The central controller (5) is a central control circuit board and is matched with the main control of each device to form a control system.
The combustion-powered hot water boiler (1), the cold water return pipeline (6), the hot water feed pipeline (7) and the intelligent central cold-heat exchanger (3) form a heat energy circulating system.
The refrigeration air conditioner external unit (2), the refrigerant return pipeline (8), the refrigerant feeding pipeline (9) and the intelligent central cold-heat exchanger (3) form a cold air source circulating system.
The indoor air conditioner indoor unit (4), the indoor air conditioner low-temperature pipeline (10), the indoor air conditioner high-temperature pipeline (11) and the intelligent central cold-heat exchanger (3) form an indoor air cooling and heat dissipation air conditioner circulating system.
The central controller (5) of the invention forms an intelligent control system with a display and a control panel (or a remote controller) (13), an indoor unit main control (14), an intelligent central cold-heat exchanger main control (15), an air conditioner outdoor unit main control (16) and a fuel hot-water boiler main control (17) through a control circuit (12).
The mixed energy central air-conditioning system is also suitable for two-to-one (one combustion hot water boiler and one air conditioner external unit to one air conditioner internal unit) air pipe air-conditioning systems.
Compared with other air conditioning systems, the air conditioning system has the following advantages: the indoor air refrigeration and heat dissipation air conditioner circulating system adopts water or antifreeze liquid with specific heat capacity closer to water than a refrigerant as a circulating medium, and the temperature of blown cold air or hot air is uniform and soft, so that the body feeling is more comfortable. Because the heat energy generated by fuel combustion is used during heating, the temperature in the room is increased more quickly. The fuel cost is greatly reduced compared with the electricity cost for electric air conditioning heating under the same condition, and the running cost is low.
Compared with a floor heating system or a radiator heating system, the invention has the following advantages: the temperature is raised quickly, and the floor height or space is saved. The local space can be independently supplied with heat according to the demand, so that the purposes of saving fuel, saving energy, reducing emission, greatly saving fuel cost and the like are achieved. And has the characteristics of simple installation, convenient maintenance and the like.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention.
Fig. 2 is a diagram of an intelligent control system.
Detailed Description
The following detailed description is provided with reference to the accompanying drawings, which are included to provide further explanation of the embodiments and operation of the present invention, but the present invention is not limited thereto.
Please refer to fig. 1-2. The invention comprises the following steps: the air conditioner comprises a combustion hot water boiler (1), an electric refrigeration air conditioner external unit (2), an intelligent central cold-heat exchanger (3), an air conditioner internal unit (4), a central controller (5), a cold water return pipeline (6), a hot water feed pipeline (7), a refrigerant return pipeline (8), a refrigerant feed pipeline (9), an indoor air conditioner cold water pipeline (10), an indoor air conditioner hot water pipeline (11) and a control signal circuit (12). A display and control panel (or a remote controller) (13), an indoor unit main control (14), an intelligent central cold-heat exchanger main control (15), an air conditioner outdoor unit main control (16) and a fuel hot water boiler main control (17).
The invention comprises four major cycle systems: the system comprises a heat energy source circulating system, a cold air source circulating system, an indoor air refrigeration and heat dissipation air conditioner circulating system and an intelligent control system.
When the mixed energy central air-conditioning system is in a heating mode, water is heated by the combustion-power hot water boiler (1), then enters the intelligent central cold-heat exchanger (3) through the water supply pipeline (7) to exchange heat with an indoor air-conditioning circulating system, and low-temperature water enters the combustion-power hot water boiler (1) through the water return pipeline (6) to be heated again after the heat exchange is finished, so that the heat energy circulating system is formed. The heat energy after exchanging is brought into the room through the indoor air refrigeration heat dissipation air conditioner circulating system, and the purpose of increasing the indoor air temperature is achieved.
When the hybrid energy central air-conditioning system is in a refrigeration mode, after cooling and compression refrigeration are carried out on a refrigerant through an electric refrigeration air-conditioning external machine (2), the low-temperature and high-pressure refrigerant enters an intelligent central cold-heat exchanger (3) through a flow supply pipeline (9) to exchange heat with an indoor air refrigeration heat dissipation air-conditioning circulation system, and after the heat exchange is finished, the high-temperature and low-pressure refrigerant enters the electric refrigeration air-conditioning external machine (2) through a return pipeline (8) to be compressed, cooled and refrigerated again, so that a cold air source circulation system is formed. The heat energy brought by the indoor air refrigeration heat dissipation air conditioner circulating system is brought to the outdoor, and the purpose of reducing the indoor air temperature is achieved.
The pipeline circulating liquid of the air cooling and heat dissipation air conditioner circulating system can use pure water for prolonging the service life of an air conditioner indoor unit, and can also use anti-freezing liquid for adapting to cold regions.
The intelligent control system controls the running states of the intelligent central cold-heat exchanger (3) and the air conditioner internal unit (4) of the electric refrigeration air conditioner external unit (2) of the combustion-power hot water boiler (1) and controls the indoor temperature, the pipeline valve switches of each circulating system, the running state of the booster water pump and the flow direction of circulating liquid in the indoor air cold-heat exchange circulating pipeline system according to the running mode.
The central controller (5) mainly comprises: the intelligent central cold-heat exchanger has the functions of receiving signal instructions of each display and control panel (or remote controller), processing the instructions, communicating with an indoor main control, communicating with an outdoor main control, communicating with an intelligent central cold-heat exchanger main control, communicating with a combustion-power hot water boiler, processing the signals, commanding the indoor unit to work, commanding the air conditioner outdoor unit to work, commanding the intelligent central cold-heat exchanger to work, commanding the combustion-power boiler to work and the like.
The display and control panel (or remote control) (13) mainly comprises: signal receiving, state display, mode selection, wind power selection, wind direction selection, temperature selection, communication with a central controller, communication with the master control of the indoor unit and the like.
The indoor unit main control (14) mainly comprises: the remote controller has the functions of communicating with a display and a control panel (or a remote controller), processing signals of the display and the control panel (or the remote controller), controlling an indoor fan, detecting indoor temperature, controlling wind direction, communicating with a central controller, driving a buzzer, detecting wind speed, controlling wind speed, detecting zero crossing, relaying signals of the control panel to the central controller and the like.
The intelligent central cold-heat exchanger master control (15) mainly comprises: the system has the functions of communicating with a central controller, processing signals of the central controller, detecting the inlet and outlet temperatures of pipelines, controlling valves of the pipelines, controlling the operation of a circulating pump of a booster pump, controlling the start and stop of a combustion boiler, filtering and protecting the valves and the like.
The air conditioner outdoor unit main control (16) mainly comprises: communicating with a central controller, processing signals of the central controller, controlling a compressor, controlling a fan, detecting outdoor temperature, detecting condenser temperature, detecting exhaust temperature, protecting overload of the compressor, detecting current/voltage, completing calculation of driving signals and the like.
The main control (17) of the combustion boiler mainly comprises: the system has the functions of communicating with a central controller, processing signals of the central controller, detecting water temperature, detecting water flow speed, controlling fire, controlling a smoke exhaust fan, controlling a valve assembly, controlling an air valve, controlling gas leakage, controlling a detection alarm, detecting zero crossing, protecting electric leakage and the like.
The above description is only exemplary of the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A mixed energy central air-conditioning system is characterized in that: the method comprises the following steps: the air conditioner comprises a combustion hot water boiler, an electric refrigeration air conditioner external unit, an intelligent central cold-heat exchanger, an air conditioner internal unit, a central controller, a cold water return pipeline, a hot water supply pipeline, a refrigerant return pipeline, a refrigerant supply pipeline, an indoor air conditioner cold water pipeline, an indoor air conditioner hot water pipeline and a control signal circuit.
2. The system of claim 1, wherein: two different energy sources are used for heating and cooling rooms.
3. The system of claim 1, wherein: the heat supply adopts heat energy generated by burning natural gas, coal gas, fire coal, marsh gas, fuel oil, straw, wood (determined according to the properties of the combustion-power hot water boiler) and the like, and the refrigeration adopts electric energy.
4. The system of claim 1, wherein: the combustion hot water boiler provides heat energy; gas water heaters, wall-mounted boilers, gas boilers, coal-fired boilers, oil-fired boilers, central heating pipeline heat sources, and the like can be used.
5. The system of claim 1, wherein: the refrigerating air conditioner external machine provides a cold air source.
6. The system of claim 1, wherein: the combustion-powered hot water boiler, the cold water return pipeline, the hot water feed pipeline and the intelligent central cold-heat exchanger form a heat energy circulating system.
7. The system of claim 1, wherein: the refrigerating air conditioner external unit, the refrigerant return pipeline, the refrigerant feeding pipeline and the intelligent central cold-heat exchanger form a cold air source circulating system.
8. The system of claim 1, wherein: the indoor unit of the air conditioner, the low-temperature pipeline of the indoor air conditioner, the high-temperature pipeline of the indoor air conditioner and the intelligent central cold-heat exchanger form an indoor air cold-heat exchange circulating system.
9. The system of claim 1, wherein: the pipeline circulating liquid of the air cooling and heat dissipation air conditioner circulating system can use purified water in order to prolong the service life of an air conditioner indoor unit, and can also use anti-freezing solution in order to adapt to cold regions.
10. The system of claim 1, wherein: and the central controller is matched with the main control of each device to control the running states of the combustion-powered hot water boiler, the electric refrigeration air conditioner external unit, the intelligent central cold-heat exchanger and the air conditioner internal unit according to the running mode, and control the indoor temperature, the running states of a pipeline valve switch and a booster water pump of each circulating system and the flow direction of liquid in the internal air cold-heat exchange circulating system.
11. The system is also suitable for two-to-one (one combustion hot water boiler and one air conditioner external unit to one air conditioner internal unit) air pipe air conditioning systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274511.5A CN111795451A (en) | 2019-04-08 | 2019-04-08 | Hybrid energy central air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274511.5A CN111795451A (en) | 2019-04-08 | 2019-04-08 | Hybrid energy central air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111795451A true CN111795451A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910274511.5A Pending CN111795451A (en) | 2019-04-08 | 2019-04-08 | Hybrid energy central air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111795451A (en) |
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2019
- 2019-04-08 CN CN201910274511.5A patent/CN111795451A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201020 |
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| WD01 | Invention patent application deemed withdrawn after publication |