CN103453691B - Three-in-one cold-warm air conditioner and hot water supply device - Google Patents

Abstract

The invention discloses a three-in-one air conditioner and hot water supply device, which comprises a heat pump type air conditioner outdoor unit A, an air conditioner indoor unit B, a hot water storage and supply system C and an intelligent control system, wherein a hot water exchanger arranged in a box body of the heat pump type air conditioner outdoor unit A is connected with a hot water tank of the hot water storage and supply system C, an air conditioner valve on the air conditioner outdoor unit A is connected with an evaporator of the air conditioner indoor unit B, and a first four-way reversing valve, a second four-way reversing valve and a third four-way reversing valve are respectively arranged on a refrigerant pipe of an. The invention carries out the optimization design of the structure and the process flow on the basis of the mature refrigeration air-conditioning technology, realizes a plurality of functions of independent cold supply, independent heat supply, independent hot water preparation, cold supply and hot water preparation, heat supply and hot water preparation and the like on one device by reasonably adding a plurality of four-way reversing valves and one-way valves in the heat pump type air-conditioning outdoor unit, and provides hot water generated by condensation heat exchange during refrigeration and heating for work or life.

Description

Three-in-one heating and cooling air conditioner and hot water supply device

technical field

The invention belongs to the field of air conditioning technology and household appliances, and relates to a cooling and heating air conditioner and air heat pump water heating equipment used in offices, buildings, and households, and in particular to a three-in-one heating and cooling air conditioner and hot water supply device.

Background technique

With the rapid development of the national economy and the continuous improvement of people's living standards, in order to provide people with comfortable and convenient working and living conditions in offices, buildings, houses and other places, air conditioners and various hot water equipment have been widely used. The current heating and cooling air conditioners are easy to use, but their disadvantages are that they consume a lot of power when they are turned on, and the cold-only air conditioners discharge condensation heat to the outside during cooling, which has an adverse effect on environmental warming; and the disadvantage of heat pump water heaters is that although they use condensation heat Hot water is produced, but its disadvantage is that it loses the cooling capacity and discharges the cold air to the outside for waste.

Since air conditioners and heat pump water heaters are currently available in different categories, if you use air conditioners and hot water at the same time, you need to install air conditioners and heat pump water heaters separately, which requires a lot of investment, large floor space, and inconvenient operation.

Contents of the invention

The object of the present invention is to provide a three-in-one heating and cooling air conditioner and hot water supply device which is novel in structure, easy to install and use, and suitable for offices, buildings, and homes. It consists of a heat pump air conditioner outdoor unit, indoor unit, heat It is composed of water storage and supply system, adopts intelligent control method to adjust and control temperature, and through multiple four-way reversing valves and one-way valves added in the outdoor unit of heat pump air conditioner, independent cooling, independent heating, independent hot water Preparation, cold supply + hot water preparation, heating + hot water preparation and other operating modes are integrated in one machine, and one machine has multiple functions, which solves the above-mentioned problems existing in existing air conditioners and heat pump water heaters.

The technical solution adopted in the present invention is a three-in-one heating and cooling air conditioner and hot water supply device, including heat pump air conditioner outdoor unit A connected with refrigerant pipes, air conditioner indoor unit B, and heat pump air conditioner outdoor unit A connected with pipelines The hot water storage supply system C and an intelligent control system are characterized in that the intelligent control system is composed of an intelligent controller and a plurality of temperature sensors connected to the refrigerant connecting pipeline;

The hot water heat exchanger installed in the heat pump outdoor unit A of the heat pump air conditioner is connected to the hot water tank of the hot water storage and supply system C, and the air conditioning valve on the outdoor unit A of the air conditioner is connected to the evaporator of the indoor unit B of the air conditioner. The first, second and third four-way reversing valves are respectively installed on the refrigerant pipes of the machine;

The exhaust port of the air conditioner compressor is connected to the inlet of the first four-way reversing valve with a refrigerant pipe, and the outlet on one side of the first four-way reversing valve is connected to the refrigerant inlet of the hot water heat exchanger with a refrigerant pipe. The outlet on the other side of the reversing valve is connected to the one-way valve with a refrigerant pipe, and the refrigerant outlet of the hot water heat exchanger is connected to the inlet of another one-way valve. The inlet connection of the fourth four-way reversing valve, the return port of the first four-way reversing valve and the fourth four-way reversing valve are connected with the return air pipe of the air conditioner compressor with the refrigerant connecting pipe, the The outlet on one side is connected to the inlet of the air-cooled condenser with a refrigerant pipe, and a temperature sensor is installed on the inlet connection pipe of the air-cooled condenser. The inlet of the reversing valve is connected, and the outlet of the air-cooled condenser is divided into three routes with refrigerant pipes. The other one-way valve is connected to the throttling element, the throttling element is connected to the outlet of the first dry filter with a refrigerant connection pipe, and the inlet of the first dry filter is connected to one side outlet of the second four-way reversing valve with a refrigerant connection pipe , the air return port of the second four-way reversing valve is connected with the return air pipe of the air conditioner compressor with a refrigerant pipe, and one outlet of the one-way valve group is connected with a refrigerant pipe machine through the second dry filter, throttling element, air conditioner valve and air conditioner. The inlet of the evaporator of indoor unit B is connected, one outlet is connected with the outlet of the evaporator of air conditioner indoor unit B through the air-conditioning valve through the refrigerant pipe, and the third outlet is connected to the other side of the second four-way reversing valve through the refrigerant connecting pipe Outlet connection, the intake pipe of the third four-way reversing valve and the drive valve intake pipe of the second four-way reversing valve are connected with the exhaust pipe of the air conditioner compressor with a refrigerant pipe, the other side of the third four-way reversing valve The outlet is connected with the air return pipe of the air-conditioning compressor after being merged with the air return pipe.

The three-in-one heating and cooling air conditioner and hot water supply device according to the present invention is also characterized in that:

A check valve is connected to the water inlet of the hot water heat exchanger and the circulating water outlet pipeline of the hot water tank, and a supplementary water supply pipeline equipped with a check valve and a supplementary water valve is externally connected to the pipeline of the circulating water outlet.

On the refrigerant pipe of the air return port of the air conditioner compressor of the heat pump type air conditioner outdoor unit A, on the refrigerant pipe of the evaporator air return port of the air conditioner indoor unit B, and in the hot water tank of the hot water storage and supply system C, there is an intelligent control system Temperature sensor connected to the controller.

The three-in-one cooling and heating air conditioner and hot water supply device of the present invention is composed of a heat pump type air conditioner outdoor unit A, an air conditioner indoor unit B, and a hot water storage and supply system C. The optimal design of the heat pump air conditioner, through the reasonable addition of multiple four-way reversing valves and one-way valves in the outdoor unit of the heat pump air conditioner, realizes independent cooling, independent heating, independent hot water preparation, and cooling + heating on one device. Water preparation, heating + hot water preparation and many other functions achieve the effect of one machine with multiple functions. According to seasonal changes and demand changes, it is convenient to use it for cooling and cooling, heating and heating, and use the hot water generated by condensation heat exchange during cooling and heating to provide work or daily use, which greatly saves other hot water heating methods At the same time as the energy used, it also has the following characteristics:

1. In high-humidity areas where the lowest ambient temperature is greater than 0°C, run the heating + hot water preparation mode, which can not only obtain hot water for process or domestic use, but also play a role in heating and reducing the relative humidity of the room;

2. When the room needs rapid cooling or rapid heating, run the independent cooling or independent heating mode to meet the requirements of rapid cooling or rapid heating;

3. In alternate seasons, run the independent hot water preparation mode to prepare hot water for domestic or craft use, and operate as an air source heat pump hot water unit;

4. The intelligent control of the device is carried out by the intelligent controller in the present invention, which is not only easy to operate, safe and reliable, but also can effectively save energy.

Description of drawings

Fig. 1 is a schematic structural diagram of a three-in-one heating and cooling air conditioner and hot water supply device of the present invention;

Fig. 2 is a structural schematic diagram of the three-in-one heating and cooling air conditioner and hot water supply device of the present invention;

3, 4 and 5 are structural schematic diagrams of the outdoor unit A of the heat pump air conditioner of the present invention.

In the figure, 1. Cabinet, 2. Air conditioner compressor, 3. Hot water heat exchanger, 4. Air-cooled condenser, 5. The first four-way reversing valve, 6. The second four-way reversing valve, 7 .Third four-way reversing valve, 8. One-way valve, 8a. One-way valve, 9. Fourth four-way reversing valve, 10. Controller, 11. Temperature sensor, 12. One-way valve, 12a. Single Directional valve, 13. One-way valve group, 14. Throttle element, 15. First dry filter, 16. Air-conditioning valve, 16a. Air-conditioning valve, 17. Second dry filter, 18. Throttle element, 19. Evaporator, 20. Hot water tank, 21. Check valve, 22. Water supply valve, 23. Water supply valve, 24. Regulating valve, 25. Spray head, 26. Circulating water pump, 27. Sewage valve.

A. Heat pump air conditioner outdoor unit, B. Air conditioner indoor unit, C. Hot water storage and supply system.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

A three-in-one heating and cooling air conditioner and hot water supply device, as shown in Figure 1 and Figure 2, includes a heat pump air conditioner outdoor unit A connected with a refrigerant pipe, an air conditioner indoor unit B, and a heat pump air conditioner outdoor unit A connected with a pipeline The hot water storage supply system C and an intelligent control system are characterized in that the intelligent control system is composed of an intelligent controller and a plurality of temperature sensors connected to the refrigerant connecting pipeline;

The hot water heat exchanger 3 installed in the casing 1 of the heat pump air conditioner outdoor unit A is connected to the hot water tank 20 of the hot water storage and supply system C, and the air conditioner valves 16 and 16a on the air conditioner outdoor unit A are connected to the air conditioner indoor unit B The evaporator 19 of the air conditioner compressor 2 is equipped with the first, second and third four-way reversing valves 5, 6 and 7 respectively on the refrigerant pipe;

The exhaust port of the air conditioner compressor 2 is connected to the inlet of the first four-way reversing valve 5 with a refrigerant pipe, and the outlet on one side of the first four-way reversing valve 5 is connected to the refrigerant inlet of the hot water heat exchanger 3 with a refrigerant pipe. connection, the outlet on the other side of the first four-way reversing valve 5 is connected to the one-way valve 8 with a refrigerant pipe, the refrigerant outlet of the hot water heat exchanger 3 is connected to the inlet of another one-way valve 8a, and the two one-way valves 8 After the outlets of , 8a and 8a are merged, connect the inlet of the fourth four-way reversing valve 9 with the refrigerant connecting pipe, and connect the air return port of the first four-way reversing valve 5 and the fourth four-way reversing valve 9 with the refrigerant connecting pipe and the air conditioner The air return pipe of the compressor 2 is connected, and the outlet of one side of the fourth four-way reversing valve 9 is connected with the inlet of the air-cooled condenser 4 with a refrigerant pipe, and a temperature sensor 11 is set on the inlet connection pipe of the air-cooled condenser. The outlet on the other side of the four-way reversing valve 9 is connected with the inlet of the second four-way reversing valve 6 with a refrigerant pipe. One way is connected to one side outlet of the third four-way reversing valve 7 through the one-way valve 12a, one way is connected to the throttling element 14 through another one-way valve 12, and the throttling element 14 is connected to the first drying The outlet of the filter 15 is connected, the inlet of the first dry filter 15 is connected with the outlet of one side of the second four-way reversing valve 6 with the refrigerant connecting pipe, and the return port of the second four-way reversing valve 6 is connected with the refrigerant pipe of the air-conditioning compressor 2, one outlet of the one-way valve group 13 is connected with the inlet of the evaporator 19 of the air-conditioning indoor unit B through the second dry filter 17, the throttling element 18, and the air conditioning valve 16a through the second dry filter 17, the throttle element 18, and the air conditioning valve 16a, and one outlet Connect the refrigerant pipe to the outlet of the evaporator 19 of the air-conditioning indoor unit B through the air-conditioning valve 16, and connect the third outlet to the outlet on the other side of the second four-way reversing valve 6 through the refrigerant connecting pipe, and the third four-way reversing valve The intake pipe of the valve 7 and the drive valve intake pipe of the second four-way reversing valve 6 are connected with the exhaust pipe of the air-conditioning compressor 2 with a refrigerant pipe, and the outlet on the other side of the third four-way reversing valve 7 merges with its return pipe Afterwards, it is connected with the air return pipe of the air-conditioning compressor 2.

The three-in-one heating and cooling air conditioner and hot water supply device of the present invention, the water inlet of the hot water heat exchanger 3 and the circulating water outlet pipeline of the hot water tank 20 are connected with a check valve 21, and the circulating water outlet pipeline is also connected with an external circuit. A replenishment pipeline equipped with a check valve 21 and a replenishment valve 22.

On the refrigerant pipe of the air return port of the air conditioner compressor 2 of the heat pump type air conditioner outdoor unit A, on the refrigerant pipe of the air return port of the evaporator 19 of the air conditioner indoor unit B, and in the hot water tank 20 of the hot water storage and supply system C, there are The temperature sensor 11 connected to the intelligent control system controller 10 .

The hot water supply pipeline connected to the hot water outlet of the hot water tank 20 of the present invention is connected with the sprinkler head 25 through the water supply valve 23 and the regulating valve 24. The circulation interface of the water tank 20 is connected, and the drain outlet at the bottom of the hot water tank 20 is connected with a drain valve 27 .

The three-in-one cooling and heating air conditioner and hot water supply device of the present invention, the operating control principle is as follows:

A. When running in the cooling + hot water mode, the air conditioner compressor 2 of the air conditioner outdoor unit A and the air conditioner indoor unit B are energized and run. After the air conditioner compressor 2 runs to cool, it starts to provide cooling and prepare hot water. The temperature sensor 11 of 20 senses that the temperature of the hot water tank 20 reaches the set temperature, and the intelligent control system controller 10 sends an instruction to the first four-way reversing valve 5 to conduct, and the system automatically switches to the independent cooling mode operation; When running in the cold + hot water mode, the function of the one-way valve 8: a. prevent the high-pressure refrigerant from flowing back to the first four-way reversing valve 5, b. ensure the differential pressure sealing performance of the first four-way reversing valve 5; The functions of the directional valves 12 and 12a: a. prevent the high-pressure refrigerant from flowing back to the third and fourth four-way reversing valves 7 and 9, b. ensure the differential pressure sealing performance of the third and fourth four-way reversing valves 7 and 9;

B. When running in the heating + hot water mode, the fourth four-way reversing valve 9 is energized, and after the air conditioner compressor 2 is running, it will start heating and prepare hot water. If the temperature sensor 11 of the hot water tank 20 senses hot water When the temperature of the box 20 reaches the set temperature, the intelligent control system controller 10 sends an instruction to the first four-way reversing valve 5 to conduct, and the system automatically switches to the independent heating mode;

If the temperature sensor 11 on the refrigerant pipe of the air return port of the air conditioner compressor 2 senses that the return air temperature of the air compressor 2 is less than or equal to 0°C, the third four-way reversing valve 7 is powered on to use a small amount of hot air for defrosting. When the sensor 11 senses that the return air temperature of the air compressor 2 is greater than or equal to 10°C, the third four-way reversing valve 7 is powered off, and when the temperature sensed by the temperature sensor 11 at the outlet end of the evaporator 19 of the indoor unit B of the air conditioner is greater than or equal to the set value When the upper temperature limit is reached, the fan of the air-cooled condenser 4 is energized to run. When the temperature sensed by the temperature sensor 11 is less than or equal to the lower limit of the set temperature, the fan of the air-cooled condenser 10 is powered off and stopped. When the evaporator 19 of the air-conditioning indoor unit B When the temperature sensed by the temperature sensor 11 at the outlet end is greater than or equal to the set temperature, the fan of the indoor air conditioner B is energized to run;

C. When running in independent hot water mode, the second four-way reversing valve 6 and the fourth four-way reversing valve 9 are energized, and the fan of the air-cooled condenser 4 is energized to run. After the air compressor 2 is energized and running, if the air is compressed When the temperature sensor 11 on the refrigerant pipe of the air return port of the machine 2 senses that the return air temperature of the air compressor 2 is less than or equal to 0°C, the third four-way reversing valve 7 is energized, and a small amount of hot air is used for defrosting. When the temperature sensor 11 senses When the return air temperature of the air compressor 2 is greater than or equal to 10°C, the third four-way reversing valve 7 is powered off; when running in the independent hot water mode, the function of the one-way valve 8a: a. Prevent the high-pressure refrigerant from flowing back to heat The water heat exchanger 3, b. draw back the refrigerant in the hot water heat exchanger 3; the functions of the one-way valve 12, 12a: a. prevent the high-pressure refrigerant from flowing back to the third four-way reversing valve 7, b. ensure the third The differential pressure sealing performance of the four-way reversing valve 7;

D. When running in the independent cooling mode, the fan of the evaporator 19 of the indoor unit B of the air conditioner and the fan of the air-cooled condenser are both energized and running. When the temperature sensed by the sensor 11 is less than or equal to the set temperature, the fan of the indoor unit B evaporator 19 of the indoor air conditioner is powered off and stops, and the air compressor 2 is powered off and stopped. When the temperature sensed by the temperature sensor 11 is greater than or equal to the set temperature, the indoor The fan and air compressor 2 of the indoor unit B of the air conditioner resume power-on operation; when operating in the independent cooling mode, the function of the check valve 8a: a. prevent the high-pressure refrigerant from flowing back into the hot water heat exchanger 3, b. pump back heat The refrigerant in the water heat exchanger 3; the functions of the one-way valves 12 and 12a: a. Prevent the high-pressure refrigerant from flowing back to the third and fourth four-way reversing valves 7 and 9; b. Ensure the third and fourth four-way switching The differential pressure sealing performance of the valves 7 and 9;

E. When running in the independent heating mode, the first and fourth four-way reversing valves 5 and 9 are energized, the fan of the air-cooled condenser 4 is energized to run, and after the air conditioner compressor 2 is energized to run, when the air conditioner indoor unit B evaporator 19. When the temperature sensed by the temperature sensor 11 at the outlet end is greater than or equal to the set temperature, the air conditioner compressor 2 stops operating, and only the fan of the evaporator 19 of the indoor air conditioner is powered on. When the temperature sensed by the temperature sensor 11 is less than or equal to the set temperature, The air conditioner compressor 2 resumes power-on operation;

F. Before the user starts to use hot water, the circulating water pump 26 starts to run with electricity, pumping the cold water of the system back to the hot water tank for circulation. When the temperature sensed by the temperature sensor 11 on the hot water supply pipeline is greater than or equal to the set temperature, the circulating water pump 26 Power outage and outage.

When the three-in-one cooling and heating air conditioner and hot water supply device of the present invention are in operation, the hot water generated by the condensation heat exchange will be transported from the hot water outlet of the hot water heat exchanger 3 to the hot water connected to it during cooling and heating. In the hot water tank 20 of the water storage supply system C, when in use, start the circulating water pump 26 at the end of the hot water supply pipeline, open the water supply valve 23 and the regulating valve 24 on the hot water supply pipeline of the hot water outlet of the hot water tank 20, and then Hot water can be released by the shower head 25 to provide bathing. Under the situation that the water of hot water tank 20 consumes a lot, the present invention carries out replenishing water through the replenishment pipeline that is equipped with check valve 21 and replenishment valve 22 that are connected outside on the circulating water outlet pipeline.

The three-in-one heating and cooling air conditioner and hot water supply device of the present invention can remove the sediment at the bottom of the hot water tank 20 by opening the drain valve 27 of the drain outlet at the bottom of the hot water tank 20 after being used for a long period of time.

The three-in-one cooling and heating air conditioner and hot water supply device of the present invention is composed of a heat pump type air conditioner outdoor unit A, an air conditioner indoor unit B, and a hot water storage and supply system C. The optimized design of the heat pump air conditioner outdoor unit A reasonably adds multiple four-way reversing valves and one-way valves to realize independent cooling, independent heating, independent hot water preparation, cooling + Hot water preparation, heating + hot water preparation and many other functions achieve the effect of one machine with multiple functions. According to seasonal changes and demand changes, it is convenient to use it for cooling and cooling, heating and heating, and use the hot water generated by condensation heat exchange during cooling and heating to provide work or living use, which greatly saves energy.

The above-mentioned embodiment is only an example of the present invention, and is not used to limit the implementation and scope of rights of the invention. All equivalent changes and modifications made according to the content described in the patent protection scope of the present invention application shall be included in the patent application of the present invention. within range.

Claims (3)

1. a three-in-one air conditioner and hot-water supply device, comprise the hot water storage supply system C that the heat pump air conditioner off-premises station A that connects with refrigerant pipe is connected with pipeline with indoor apparatus of air conditioner B, heat pump air conditioner off-premises station A, and intelligence control system composition, it is characterized in that, described intelligence control system is made up of intelligent controller and multiple temperature sensor be connected on coolant connecting tube road;

The hot water heat exchanger (3) installed in described heat pump air conditioner off-premises station A casing (1) connects the evaporimeter (19) that air control valve on the boiler (20) of hot water storage supply system C, air-conditioner outdoor unit A (16,16a) connects indoor apparatus of air conditioner B, and the refrigerant pipe of compressor of air conditioner (2) has been installed first, second, third four-way change-over valve (5,6,7) respectively;

Described compressor of air conditioner (2) gas outlet refrigerant pipe is connected with the first four-way change-over valve (5) import, the outlet of the first four-way change-over valve (5) side is connected with the refrigerant import of refrigerant pipe with hot water heat exchanger (3), the opposite side outlet of the first four-way change-over valve (5) is connected with the import of check valve (8), the refrigerant exit of hot water heat exchanger (3) is connected with the import of another check valve (8a), two check valves (8, after outlet 8a) converges, be connected with the import of coolant connecting tube with the 4th four-way change-over valve (9), first four-way change-over valve (5) is connected with the muffler of coolant connecting tube with compressor of air conditioner (2) with the gas returning port of the 4th four-way change-over valve (9), one side outlet of the 4th four-way change-over valve (9) is connected with the import of refrigerant pipe with air-cooled condenser (4), and on the inlet connecting branch of air-cooled condenser (4) set temperature sensor (11), the opposite side outlet of the 4th four-way change-over valve (9) is connected with the import of refrigerant pipe with the second four-way change-over valve (6), the outlet refrigerant pipe of air-cooled condenser (4) divides three tunnels, one tunnel is connected with check valve group (13), one tunnel is connected through the side outlet of check valve (12a) with the 3rd four-way change-over valve (7), one tunnel is connected with restricting element (14) through another check valve (12), restricting element (14) to export with the first device for drying and filtering (15) with coolant connecting tube and is connected, first device for drying and filtering (15) the import side outlet of coolant connecting tube with the second four-way change-over valve (6) is connected, the gas returning port of the second four-way change-over valve (6) is connected with the muffler of refrigerant pipe with compressor of air conditioner (2), an outlet of check valve group (13) with coolant connecting tube machine through the second device for drying and filtering (17), restricting element (18), air control valve (16a) is connected with the import of the evaporimeter (19) of indoor apparatus of air conditioner B, another outlet refrigerant pipe is connected through the outlet of air control valve (16) with the evaporimeter (19) of indoor apparatus of air conditioner B, 3rd outlet to export with the opposite side of the second four-way change-over valve (6) through coolant connecting tube and is connected, the air inlet pipe of the 3rd four-way change-over valve (7) is connected with the second four-way change-over valve (6) the driver's valve air inlet pipe blast pipe of refrigerant pipe with compressor of air conditioner (2), the opposite side outlet of the 3rd four-way change-over valve (7) and its muffler converge and are connected with the muffler of compressor of air conditioner (2) afterwards.

2. three-in-one air conditioner according to claim 1 and hot-water supply device, it is characterized in that, on the pipeline circulating water outlet pipeline of described hot water heat exchanger (3) water inlet and boiler (20) being connected to check-valves (21), circulating water outlet, also the water pipe of check-valves (21) and water compensating valve (22) is equipped with on an external road.

3. three-in-one air conditioner according to claim 1 and hot-water supply device, it is characterized in that, on the refrigerant pipe of described heat pump air conditioner off-premises station A compressor of air conditioner (2) gas returning port, on the refrigerant pipe of evaporimeter (19) gas returning port of indoor apparatus of air conditioner B, in the boiler (20) of hot water storage supply system C, be provided with the temperature sensor (11) be connected with intelligence control system controller (10).