CN210624994U - Refrigerant control system of double-end heat pump heating air conditioning unit - Google Patents
Refrigerant control system of double-end heat pump heating air conditioning unit Download PDFInfo
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- CN210624994U CN210624994U CN201921634914.8U CN201921634914U CN210624994U CN 210624994 U CN210624994 U CN 210624994U CN 201921634914 U CN201921634914 U CN 201921634914U CN 210624994 U CN210624994 U CN 210624994U
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Abstract
The utility model discloses a refrigerant control system of two terminal heat pump heating air conditioning unit, wherein heat pump heating air conditioning unit includes air conditioner outdoor unit, indoor heat exchanger group, refrigerant control system includes controlling means, fluorine way auto-change over device and remote control unit, and controlling means controls fluorine way auto-change over device through the working mode that remote control unit set for, realizes the switching of refrigerant flow direction between two terminal equipment to realize by air conditioner indoor unit refrigeration when summer, multi-mode heating such as time-space modulation indoor unit heat supply, radiator heating, combined heating winter; the utility model discloses increased the air can the radiator heat transfer end in heat pump heating air conditioning system, indoor air drying when having overcome the air conditioner heating and the sense problem of blowing has reduced heating system's complexity when guaranteeing higher indoor hot comfort level, convenient to use, not restricted by the region, have wide application prospect.
Description
Technical Field
The utility model relates to a novel heating technical field, concretely relates to refrigerant control system of two terminal heat pump heating air conditioning unit.
Background
With the continuous development of the social and economic level of China, the requirement of people on the indoor environmental comfort in winter is continuously improved, and a plurality of heating modes, such as central heating, air-conditioning heating, air source heat pump heating, wall-mounted furnace heating, electric heating and the like, are developed. In northern areas of China, central heating is mostly adopted, but in rural areas, mountain areas and southern areas, an independent heating system is mostly adopted due to dispersed houses, regional limitation or no central heat source and the like.
The heat pump can be widely applied because the heat pump can refrigerate in summer and heat in winter, is efficient and energy-saving, but dry hot air blown out by the heat pump air conditioner can often feel uncomfortable when heating in winter, and researches show that a heating mode with higher comfort is also radiation heating; although the central heating has no blowing sense and can ensure the heating effect, the installation of the traditional heating plate not only needs a large amount of pipeline laying and reconstruction, but also needs a central heat source, has complex installation and higher initial investment cost, and is not suitable for areas which are not heated collectively; independent heating systems also have problems, such as low heat production efficiency and high cost of wall-mounted furnaces or electric heating.
In view of the foregoing, there is a need for an improved heat pump air conditioning system that provides comfortable heating in winter and does not affect cooling in summer.
SUMMERY OF THE UTILITY MODEL
The utility model provides a refrigerant control system of two terminal heat pump heating air conditioning unit to solve dry hot-blast, the complicated poor stability scheduling problem of system that current heat pump air conditioner heat supply exists, improve the travelling comfort that heats in winter.
In order to achieve the purpose, the utility model discloses having inserted novel air energy radiator in heat pump air conditioning system, having realized the switching of summer season fan coil pipe cooling and radiator heating winter through refrigerant control system. The specific technical scheme is as follows:
the utility model provides a double-end heat pump heating air conditioning unit with a refrigerant control system, which comprises an air conditioning outdoor unit and an indoor heat exchange unit, and comprises an air conditioning indoor unit and two ends of an air energy radiator; when the indoor air conditioner is required to work, the indoor air conditioner and the outdoor air conditioner form a complete air conditioner loop through refrigerant pipelines, and the refrigerant flows along the air conditioner loop under the action of the control system to complete circulation; when the heating of the heating radiators is needed, the air conditioner outdoor unit and the air energy heating radiators form a complete heating system through refrigerant pipelines, and the refrigerant flows along the heating radiator loop under the action of the control system to complete circulation.
The refrigerant control system of the double-end heat pump heating air-conditioning unit comprises a control device, a fluorine path switching device and a remote control device; the control device comprises a temperature acquisition module, an acquisition module and a control module, and the remote control device comprises a remote controller and an APP (application) and is used for respectively carrying out on-line and off-line working modes and setting control on target temperature; the control system sets up corresponding control mode through carrying out real-time supervision to indoor temperature and temperature in the radiator in the combination of monitoring temperature and current mode and target temperature to control fluorine way auto-change over device and carry out the refrigerant flow direction and switch, the refrigerant passes through the air conditioner loop and accomplishes the circulation when needing the work of air conditioner internal unit, controls the refrigerant and accomplishes the circulation through the radiator loop when using the radiator.
The control device further comprises a temperature acquisition module, an acquisition module and a control module; the temperature acquisition module monitors the indoor air temperature and the water temperature in the radiator in real time through the temperature sensor and uploads data, and meanwhile, the real-time monitored temperature, the acquired working mode and the target temperature are displayed on the display screen; the acquisition module is used for acquiring a current working mode set by the remote control device and a target temperature in the current working mode; and the control module determines a control mode according to the working mode, the target temperature and the real-time monitoring data and controls the fluorine path switching device.
The fluorine path switching device comprises a four-way reversing valve, a three-way valve and a check valve; the four-way reversing valve is arranged on a gas outlet pipeline of the compressor, and realizes the refrigeration and heating of the air conditioning system by controlling the flow direction of a refrigerant entering and exiting the compressor, the four-way reversing valve controls the refrigerant coming out of the compressor to firstly exchange heat with the outdoor unit during the refrigeration, and controls the compressed refrigerant to firstly flow to the indoor heat exchange unit during the heating; the three-way valve is arranged behind the four-way valve, and the switching of the flow direction of the refrigerant is completed through the on-off of the control circuit; when the three-way valve is powered off, the refrigerant flows to the air-conditioning loop, and when the three-way valve is powered on, the refrigerant flows to the radiator loop; the check valve is arranged at the inlet and outlet of the coolant of the radiator loop behind the three-way valve.
The remote control device comprises a remote controller and an APP (application), the settable working modes comprise four modes of refrigeration, heating by a heating plate and combined heating, the four modes can be manually switched, and the heating tail end can be manually switched during heating and can also be automatically controlled by using the combined heating mode; different modes correspond to different target temperatures and temperature setting ranges; wherein the target temperature is the water temperature in the radiator when the radiator is used for heating, and the temperature range is 35-50 ℃.
The utility model has the advantages that,
1) the utility model can realize perfect switching between combined heating of the air conditioner and the novel radiator in winter and cooling of the fan coil in summer, and reduce the complexity of the system structure for increasing the independent heating system;
2) the problems of indoor air drying and blowing sense during air conditioning heating are solved, and the indoor environment comfort level is improved;
3) the combined heating system of the air conditioner and the heating radiator is applied, the defects of complex installation and high investment cost of the traditional heating radiator are overcome, and the combined heating system is simple, convenient and easy to install and easy to maintain;
4) when refrigerating in summer, the air conditioning system can normally supply cold; when heating in winter, different modes such as air conditioner heating, radiator heating and combined heating can be selected, and the device is suitable for various regions and is not limited by regions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and specific embodiments. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a double-end heat pump heating air conditioning unit with an air energy radiator according to an embodiment of the present invention;
fig. 2 is a schematic view of a main structure of an air energy radiator of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control device of a refrigerant control system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the operation of the fluorine path switching device of the refrigerant control system according to the embodiment of the present invention.
Wherein, 1-air conditioner outdoor unit; 11-outdoor heat exchanger; 12-a compressor; 13-a throttling device; 14-a gas-liquid separator; 15-defrosting electromagnetic valve; 21-check valve, 2-indoor heat exchanger group; 22-indoor air-conditioning unit; 23-air energy radiator; 3-fluorine path switching device; a 31-four-way reversing valve; 32-electric three-way valve; 4-a control device; 41-temperature acquisition module; 42-an acquisition module; 43-a control module; 101-a vacuum device; 102-radiator plugs; 103-a heat exchanger; 104-heating coil; 105-heating pipe interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the embodiment of the utility model provides a two-terminal heat pump heating air conditioning unit, including air conditioning outdoor unit 1: the outdoor heat exchanger 11, the compressor 12, the throttling device 13, the gas-liquid separator 14, the four-way reversing valve 31, the electric three-way valve 32, the defrosting electromagnetic valve 15, the check valve 21, the indoor heat exchanger unit 2: an air-conditioning indoor unit 22, a control device 4 and an air energy radiator 23; wherein the fluorine path switching device 3 consists of a four-way reversing valve 31, an electric three-way valve 32 and a check valve 21; the air conditioning outdoor unit 1 and the air conditioning indoor unit 22 form an air conditioning loop through a refrigerant pipeline, and the air conditioning outdoor unit 1 and the air energy radiator 23 form a radiator loop through the refrigerant loop.
It should be noted that the heating radiators provided by the double-end heat pump heating air-conditioning unit provided by the embodiment of the present invention are independently developed air energy heating radiators, as shown in fig. 2, the heating radiators are semi-closed type independent heating radiators with heat exchangers, 101 is a vacuum device, and can control the pressure in the heating radiators to reduce the liquid vaporization point in the heating radiators; 102 is a radiator plug, which ensures the water filling and water changing in the radiator; 103 is a heat exchanger of a radiator, a heating coil 104 and a vacuum device 101 are arranged in the radiator, and a space is provided for heat exchange between a refrigerant and water in the radiator; the heating coil 104 is responsible for heat exchange between the refrigerant and water, and the water completes circulating flow under the power of the density and pump after being heated to promote heat exchange; a heating pipe interface 105 is a copper pipe connected to an external refrigerant pipe, and is integrally formed with the heating coil 104.
The working principle of the refrigerant control system of the heat pump heating air conditioning unit is as follows: during heating, low-temperature and low-pressure gaseous refrigerant is pressurized into high-temperature and high-pressure gaseous refrigerant by the compressor 12, enters the indoor unit 22 of the air conditioner or the air energy radiator 23 under the control of the fluorine path switching device 3, exchanges heat with indoor cold air or water in the radiator to release a large amount of heat and then turns into liquid refrigerant, the throttling device 13 decompresses and throttles the liquid refrigerant and then sends the liquid refrigerant into the outdoor heat exchanger 11, and the refrigerant is evaporated, absorbs heat and is gasified and then enters the compressor again to start the next cycle; during refrigeration, low-temperature and low-pressure gaseous refrigerant is pressurized into high-temperature and high-pressure gaseous refrigerant by the compressor 12, enters the outdoor heat exchanger 11 under the control of the fluorine path switching device 3 to be liquefied and release heat to be called liquid refrigerant, is decompressed by the throttling device and then enters the indoor unit 22 of the air conditioner to be evaporated, absorbed, gasified, absorbed indoor air heat to achieve an indoor cooling effect, and the gaseous refrigerant enters the compressor again to start the next cycle.
The embodiment of the utility model provides a control device 4 of refrigerant control system, its schematic structure is shown in fig. 2, including temperature acquisition module 41, acquisition module 42, control module 43;
the temperature acquisition module 41 is responsible for monitoring indoor temperature and water temperature in the radiator, uploading data, and displaying the real-time monitored temperature, the acquired working mode and the target temperature on a display screen; the acquisition module 42 is configured to acquire a current working mode set by the remote control device and a target temperature in the current working mode, where the working mode includes four types, namely cooling, heating, radiator heating, and combined heating; and the control module 43 is used for controlling the flow direction of the refrigerant by controlling the four-way reversing valve and the three-way valve after the working mode is determined, so that the indoor unit and the outdoor unit of the air conditioner refrigerates or heats, and simultaneously controlling the refrigerant to flow to an air conditioner loop or a radiator loop.
The embodiment of the utility model provides a refrigerant control system's fluorine way auto-change over device, its work schematic refers to fig. 1 and fig. 4, and refrigerant flow circuit switches the process as follows:
(1) when the air conditioner indoor unit 9 is required to work, the control device controls the air conditioner indoor unit to be in a power-off state, the valve plate a is connected with the valve plate b of the air conditioner loop at the moment, the refrigerant pipeline between the air conditioner outdoor unit 1 and the air conditioner indoor unit 22 is communicated, and the refrigerant completes circulation along the air conditioner loop;
(2) when the radiator 23 needing air energy works, the control device controls the three-way valve 6 to be in a power-on state, at the moment, the valve sheet a is connected with the valve sheet c of the radiator loop, the air radiator 10 is communicated with a refrigerant pipeline between the air-conditioning outdoor unit 1, and the refrigerant completes circulation along the radiator loop.
(3) When the air-conditioning indoor unit 22 and the air-energy heating radiator 23 are required to jointly supply heat, the control device firstly controls the valve plate a to be connected with the valve plate b, refrigerant flows to the air-conditioning indoor unit to rapidly heat indoor air, when the monitored room temperature reaches a preset temperature, the valve plate a is controlled to be disconnected from the valve plate b and then is connected with the valve plate c, and at the moment, the refrigerant in fluorine roads flows to the water-temperature heating coil in the air heating radiator 10 to exchange heat with water in the radiator and simultaneously heat the indoor air in a radiation heating mode.
Claims (5)
1. The utility model provides a refrigerant control system of two terminal heat pump heating air conditioning unit which characterized in that: the double-end heat pump heating air-conditioning unit comprises an air-conditioning outdoor unit and an indoor heat exchange unit, wherein the indoor heat exchange unit comprises an air-conditioning indoor unit and two heat exchange ends of an air energy radiator, the air-conditioning outdoor unit and the air-conditioning indoor unit form an air-conditioning loop by refrigerant pipelines, and the air-conditioning outdoor unit and the air energy radiator form a radiator loop;
the refrigerant control system of the double-end heat pump heating air-conditioning unit comprises a control device, a fluorine path switching device and a remote control device, the refrigerant control system sets a corresponding control mode according to the monitored temperature and the current working mode and the target temperature by real-time monitoring of indoor temperature and water temperature in an air energy heating radiator, the fluorine path switching device is controlled to switch the refrigerant flow direction, when the air energy heating radiator works, a refrigerant flows through an air-conditioning loop to complete circulation, and when a heating radiator is used, the refrigerant is controlled to complete circulation through the heating radiator loop.
2. The refrigerant control system of a double-end heat pump heating air conditioning unit according to claim 1, characterized in that: the air energy heating radiator is a semi-closed type heating radiator and is connected with an external refrigerant pipeline through a copper pipe to form a heating radiator loop, the air energy heating radiator comprises a heating coil pipe formed by the copper pipe inside, and a refrigerant exchanges heat with water in the heating radiator through the heating coil pipe and simultaneously supplies heat to indoor radiation; the vacuum device controls the internal pressure to ensure that the water in the radiating fins is circulated under the driving of the micro pump to promote heat exchange.
3. The refrigerant control system of a double-end heat pump heating air conditioning unit according to claim 1, characterized in that: the control device comprises a temperature acquisition module, an acquisition module and a control module; the temperature acquisition module monitors the indoor air temperature and the water temperature in the radiator in real time through the temperature sensor and uploads data, and meanwhile, the real-time monitored temperature, the acquired working mode and the target temperature are displayed on the display screen; the acquisition module is used for acquiring a current working mode set by the remote control device and a target temperature in the current working mode; and the control module determines a control mode according to the working mode, the target temperature and the real-time monitoring data and controls the fluorine path switching device.
4. The refrigerant control system of a double-end heat pump heating air conditioning unit according to claim 1, characterized in that: the fluorine path switching device comprises a four-way reversing valve, a three-way valve and a check valve; the four-way reversing valve realizes refrigeration and heating of the air conditioning unit by controlling the flow direction of a refrigerant entering and exiting the compressor, the three-way valve completes switching of the flow direction of the refrigerant through the on-off of the control circuit, the refrigerant flows to the air conditioning loop when the three-way valve is powered off, and the refrigerant flows to the radiator loop when the three-way valve is powered on.
5. The refrigerant control system of a double-end heat pump heating air conditioning unit according to claim 1, characterized in that: the remote control device comprises a remote controller and an APP (application), and is used for setting and controlling a remote working mode, a local working mode and a target temperature; the working modes which can be set by the remote controller are four modes of refrigeration, heating of a heating plate and combined heating, the four modes can be manually switched, and the automatic control can be also used in the combined heating mode; the target temperature is the water temperature in the heating radiator when the heating radiator heats, and the temperature range is 35-50 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921634914.8U CN210624994U (en) | 2019-09-29 | 2019-09-29 | Refrigerant control system of double-end heat pump heating air conditioning unit |
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| CN201921634914.8U CN210624994U (en) | 2019-09-29 | 2019-09-29 | Refrigerant control system of double-end heat pump heating air conditioning unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645730A (en) * | 2019-09-29 | 2020-01-03 | 河南省建筑科学研究院有限公司 | Refrigerant control system and method for double-end heat pump heating air conditioning unit |
| CN112856566A (en) * | 2021-01-27 | 2021-05-28 | 光控特斯联(重庆)信息技术有限公司 | Intelligent heating system and method for intelligent community |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645730A (en) * | 2019-09-29 | 2020-01-03 | 河南省建筑科学研究院有限公司 | Refrigerant control system and method for double-end heat pump heating air conditioning unit |
| CN112856566A (en) * | 2021-01-27 | 2021-05-28 | 光控特斯联(重庆)信息技术有限公司 | Intelligent heating system and method for intelligent community |
| CN112856566B (en) * | 2021-01-27 | 2023-03-10 | 光控特斯联(重庆)信息技术有限公司 | Intelligent heating system and method for intelligent community |
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