CN216924596U - Triple-generation air-conditioning hot water system - Google Patents
Triple-generation air-conditioning hot water system Download PDFInfo
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- CN216924596U CN216924596U CN202123166457.4U CN202123166457U CN216924596U CN 216924596 U CN216924596 U CN 216924596U CN 202123166457 U CN202123166457 U CN 202123166457U CN 216924596 U CN216924596 U CN 216924596U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a triple-supply air-conditioning hot water system which comprises a loop consisting of a compressor, a reversing valve group, a hot water heat exchanger, a ground heat exchanger group, an air-conditioning heat exchanger group, a throttling element and an outdoor heat exchanger, wherein a first branch at the exhaust end of the compressor is connected with the hot water heat exchanger, a second branch at the exhaust end of the compressor is connected with the reversing valve group and connected into a refrigerating and heating loop, the outdoor heat exchanger comprises a first outdoor heat exchanger and a second outdoor heat exchanger which are connected in parallel, the first outdoor heat exchanger and the second outdoor heat exchanger are connected into the refrigerating and heating loop in parallel through the reversing valve group and are used as a condenser or an evaporator at the same time, or the first outdoor heat exchanger and the hot water heat exchanger are connected into the refrigerating loop in parallel through the reversing valve group and are used as a condenser, and the second outdoor heat exchanger is used as an evaporator and connected into the refrigerating loop. The utility model can effectively avoid the phenomenon of high-voltage protection shutdown when realizing the function of independently starting the water heater in the refrigeration season, so that the system works stably and reliably.
Description
Technical Field
The utility model belongs to the technical field of heat pump hot water systems, and particularly relates to a triple-generation air-conditioning hot water system for realizing the functions of air conditioning, floor heating, domestic hot water and the like.
Background
The heat pump air conditioning system commonly used at present generally has two functions of cooling in summer and heating in winter, but with the improvement of living standard, the continuous supply of living hot water becomes the basic requirement of common families or units. At present, heat pump hot water systems are provided in the market, such as a multi-connection system, and multiple functions of refrigerating in summer, supplying domestic hot water, heating in winter and the like are realized by using one set of compressor heat pump unit.
Compared with the traditional electric water heater and the traditional gas water heater, the heat energy is obtained by consuming gas and electric energy, the heat pump hot water system achieves the purpose of heating water by absorbing heat in air, and can absorb heat energy which is about three times of electric energy to heat water under the condition of consuming the same electric energy, so that the heat pump hot water system has the characteristics of energy conservation and high efficiency and is gradually and widely used.
The multi-split air-conditioning technology is more and more accepted by users in the field of central air-conditioning, the traditional multi-split air-conditioning adopts an outdoor air-conditioning host, terminals such as an indoor air pipe unit, a floor heating module, a water heater and the like are arranged indoors, and outdoor cold and heat sources are transferred to the indoor space by adopting waterway circulation. The existing multi-connected hot water supply system is generally provided with only one outdoor heat exchanger, the outdoor heat exchanger serving as an evaporator has large heat exchange amount in order to ensure the evaporation heat exchange amount when the heating, floor heating and water heating functions are simultaneously started, and when a water heater is independently started in a refrigeration season, an indoor air duct machine is not started due to high ambient temperature in the refrigeration season, the outdoor heat exchanger serves as the evaporator, the outdoor heat source has large heat, and only the water heater serves as a condenser, so that the refrigerant pressure in the water heater is high, and the protective shutdown is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a triple-generation air-conditioning and water-heating system which can realize the operation in multiple modes of independent heating of a water heater in a refrigeration season, independent refrigeration of an indoor unit, heating of the water heater in a heating season, heating of the indoor unit, heating of a floor heating system and the like, and can avoid high-voltage protection shutdown easily occurring when the function of the water heater is independently started in the refrigeration season, so that the system works stably and reliably.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a triple-supply air-conditioning hot water system comprises a loop consisting of a compressor, a reversing valve group, a hot water heat exchanger, a floor heating heat exchanger group, an air-conditioning heat exchanger group, a throttling element and an outdoor heat exchanger, wherein a first branch at an exhaust end of the compressor is connected with the hot water heat exchanger, a second branch at the exhaust end of the compressor is connected with the reversing valve group and connected into a refrigerating and heating loop, the outdoor heat exchanger comprises a first outdoor heat exchanger and a second outdoor heat exchanger which are connected in parallel, the first outdoor heat exchanger and the second outdoor heat exchanger are connected into the refrigerating and heating loop in parallel through the reversing valve group and serve as a condenser or an evaporator at the same time, or the first outdoor heat exchanger and the hot water heat exchanger are connected into the refrigerating loop in parallel through the reversing valve group and serve as a condenser, and the second outdoor heat exchanger serves as an evaporator and is connected into the refrigerating loop.
Furthermore, the inlet ends of the floor heating heat exchanger group and the air conditioner heat exchanger group are connected with an inlet manifold, the other end of the inlet manifold is connected with a reversing valve group, the outlet ends of the hot water heat exchanger, the floor heating heat exchanger group and the air conditioner heat exchanger group are connected into an outlet manifold, and the other end of the outlet manifold is connected with the first outdoor heat exchanger and the second outdoor heat exchanger through a first shunt branch and a second shunt branch respectively.
Furthermore, throttling elements, namely a first electronic expansion valve and a second electronic expansion valve, are connected in series to the first branch circuit and the second branch circuit.
Further, the first electronic expansion valve and the second electronic expansion valve are in a throttling state in the heating mode; or, the first electronic expansion valve and the second electronic expansion valve are in a fully open state in the cooling mode; or when the first electronic expansion valve is in a fully-opened state and the second electronic expansion valve is in a throttling state in the mode of independently heating water in the cooling season.
Furthermore, throttling elements, namely a third electronic expansion valve, a fourth electronic expansion valve and a fifth electronic expansion valve are connected in series between outlet ends and an outlet collecting pipe of the hot water heat exchanger, the floor heating heat exchanger group and the air conditioner heat exchanger group.
Furthermore, the air conditioner heat exchanger group comprises at least one air conditioner heat exchanger, the air conditioner heat exchangers are connected in parallel, and a fifth electronic expansion valve is connected between the outlet end of each air conditioner heat exchanger and the outlet header pipe in series.
Furthermore, the floor heating heat exchanger group comprises at least one floor heating heat exchanger, a plurality of floor heating heat exchangers are connected in parallel, and a fourth electronic expansion valve is connected between the outlet end of each floor heating heat exchanger and the outlet header pipe in series.
Further, the fifth electronic expansion valve is in a throttling state in the cooling mode, and is in a fully open or closed state in the heating mode.
Furthermore, a first stop valve is connected in series with a first branch connected with the exhaust end of the compressor and the inlet of the hot water heat exchanger, a second stop valve is connected in series with the inlet collecting pipes of the floor heating heat exchanger group and the air conditioner heat exchanger group, and a third stop valve is connected in series with the outlet collecting pipes of the hot water heat exchanger, the floor heating heat exchanger group and the air conditioner heat exchanger group.
Furthermore, the reversing valve group comprises a first four-way valve and a second four-way valve, the D end of the first four-way valve is connected with a second branch of the exhaust end of the compressor, the E end of the first four-way valve is connected with the inlet ends of the floor heating heat exchanger group and the air conditioner heat exchanger group, the S end of the first four-way valve is connected with the air inlet end of the compressor and the S end of the second four-way valve, the C end of the first four-way valve is connected with the outlet end of the first outdoor heat exchanger, the D end of the second four-way valve is connected with the outlet end of the first outdoor heat exchanger, and the C end of the second four-way valve is connected with the outlet end of the second outdoor heat exchanger.
In summary, compared with the prior art, the triple air-conditioning and water-heating system provided by the utility model has the advantages that the outdoor heat exchanger is divided into two parts, so that the operation in various modes such as independent water heating by the water heater in a refrigeration season, independent refrigeration by the indoor unit, heating by the water heater in a heating season, heating by the indoor unit, heating by the floor heating and the like can be realized, and when the function of the water heater is independently started in the refrigeration season, only one outdoor heat exchanger is used as an evaporator, and the other outdoor heat exchanger is used as a condenser to form a circulation loop, so that the phenomenon of high-voltage protection shutdown is effectively avoided, and the system works stably and reliably.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of the hot water system of the present invention;
fig. 2 is a schematic structural view of the hot water system of the present invention (heating + floor heating + heating water mode);
FIG. 3 is a schematic diagram of the hot water system of the present invention (cooling + heating mode);
fig. 4 is a schematic view of the structure of the hot water system of the present invention (heating water mode).
As shown in fig. 1 to 4, a compressor 1, a hot water heat exchanger 2, a first branch 3, a second branch 4, an oil separator 5, a gas-liquid separator 6, a solenoid valve 7, a floor heating heat exchanger 8, an air-conditioning heat exchanger 9, an inlet manifold 10, an outlet manifold 11, a first outdoor heat exchanger 12, a second outdoor heat exchanger 13, a first branch 14, a second branch 15, a first electronic expansion valve 16, a second electronic expansion valve 17, a third electronic expansion valve 18, a fourth electronic expansion valve 19, a fifth electronic expansion valve 20, an indoor air-conditioning fan 21, a first stop valve 22, a second stop valve 23, a third stop valve 24, a first four-way valve 25, a second four-way valve 26, and an outdoor fan 27.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the utility model provides a triple air-conditioning and water-heating system, which integrates the functions of air conditioning, heating, hot water and the like.
The triple-generation air-conditioning hot water system comprises a loop consisting of a compressor 1, a reversing valve group, a hot water heat exchanger 2, a floor heating heat exchanger group, an air-conditioning heat exchanger group, a throttling element and an outdoor heat exchanger. The floor heating heat exchanger group also comprises one or more floor heating heat exchangers 8, the floor heating heat exchangers 8 are connected in parallel, and the floor heating heat exchangers are connected to a refrigerating and heating loop; the air conditioner heat exchanger group comprises one or more air conditioner heat exchangers 9, the air conditioner heat exchangers 9 are connected in parallel and connected into a refrigerating and heating loop, and an indoor air conditioner fan 21 is installed corresponding to each air conditioner heat exchanger 9.
Wherein, the exhaust end of compressor 1 is connected with first branch 3 and second branch 4, and first branch 3 is connected with hot water heat exchanger 2, and second branch 4 is connected with the switching-over valves and is inserted refrigeration and heating return circuit. An oil separator 5 is connected between the discharge end of the compressor 1 and the first and second branches 3 and 4. The air inlet end of the compressor 1 is connected with a gas-liquid separator 6, and the inlet end of the gas-liquid separator 6 is connected with a reversing valve group. An electromagnetic valve 7 is connected in series between the oil separator 5 and the intake pipe of the compressor 1. The solenoid valve 7 mainly plays a role of unloading and is used for reducing high pressure or balancing high pressure and low pressure.
In this embodiment, the inlet ends of the floor heating heat exchanger 8 and the air conditioning heat exchanger 9 are both connected with the inlet manifold 10, the other end of the inlet manifold 10 is connected with the reversing valve group, and the outlet ends of the hot water heat exchanger 2, the floor heating heat exchanger 8 and the air conditioning heat exchanger 9 are all connected into the outlet manifold 11.
In this embodiment, the outdoor heat exchanger preferably includes a first outdoor heat exchanger 12 and a second outdoor heat exchanger 13 connected in parallel, and the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 may be two independent heat exchangers or two independent flow paths in one heat exchanger. The other ends of the outlet collection pipes 11 of the hot water heat exchanger 2, the floor heating heat exchanger 8 and the air-conditioning heat exchanger 9 are respectively connected with the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 through a first branch flow 14 and a second branch flow 15. The first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 can be connected in parallel to a refrigeration and heating loop through the reversing valve set, at this time, the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 can be used as a condenser or an evaporator at the same time, the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 can also be connected in parallel to the refrigeration loop through the reversing valve set, only the first outdoor heat exchanger 12 and the hot water heat exchanger 2 are connected in parallel to the refrigeration loop to be used as a condenser, and the second outdoor heat exchanger 13 is used as an evaporator to be connected to the refrigeration loop. Therefore, when the function of the water heater is independently started in a refrigeration season, only one outdoor heat exchanger is used as an evaporator, and the other outdoor heat exchanger is used as a condenser to form a circulation loop, so that the phenomenon of high-pressure protection shutdown is effectively avoided, and the system works stably and reliably.
In this embodiment, it is preferable that the first and second branch paths 14 and 15 connected to the first and second outdoor heat exchangers 12 and 13 are connected in series with throttling elements, which are a first electronic expansion valve 16 and a second electronic expansion valve 17, respectively. The opening and closing and the opening degree of the first electronic expansion valve 16 and the second electronic expansion valve 17 are controlled to respectively control the opening and closing of the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 and the heat exchange amount.
Preferably, throttling elements, namely a third electronic expansion valve 18, a fourth electronic expansion valve 19 and a fifth electronic expansion valve 20 are connected in series between outlet ends of the hot water heat exchanger 2, the floor heating heat exchanger 8 and the air conditioner heat exchanger 9 and between outlet collecting pipes 11. A fourth electronic expansion valve 19 is connected in series between the outlet end of each ground heating heat exchanger 8 and the outlet header pipe 11. A fifth electronic expansion valve 20 is connected in series between the outlet end of each air-conditioning heat exchanger 9 and the outlet header pipe 11. The on-off of each hot water heat exchanger 2, each floor heating heat exchanger 8 and each air conditioner heat exchanger 9 are respectively controlled by controlling the opening, closing and opening degree of each third electronic expansion valve 18, each fourth electronic expansion valve 19 and each fifth electronic expansion valve 20, so that the refrigerating and heating modes of single-opening and multi-opening floor heating and indoor air conditioners are realized.
In this embodiment, a first stop valve 22 is connected in series to the first branch 3, where the exhaust end of the compressor 1 is connected to the inlet of the hot water heat exchanger 2, a second stop valve 23 is connected in series to the inlet manifold 10 of the floor heating heat exchanger 8 and the air conditioning heat exchanger 9, and a third stop valve 24 is connected in series to the outlet manifold 11 of the hot water heat exchanger 2, the floor heating heat exchanger 8 and the air conditioning heat exchanger 9. The first, second, and third cut-off valves 22, 23, and 24 are used to open and close the first branch passage 3, the inlet header 10, and the outlet header 11, respectively.
In this embodiment, it is further preferable that the reversing valve set includes a first four-way valve 25 and a second four-way valve 26, a D end of the first four-way valve 25 is connected to the second branch 4 at the exhaust end of the compressor 1, an E end of the first four-way valve 25 is connected to the inlet manifold 10 at the inlet ends of the floor heating heat exchanger 8 and the air conditioning heat exchanger 9, an S end of the first four-way valve 25 is connected to the inlet end of the compressor 1 and the S end of the second four-way valve 26, a C end of the first four-way valve 25 is connected to the outlet end of the first outdoor heat exchanger 12, a D end of the second four-way valve 26 is connected to the outlet end of the first outdoor heat exchanger 12, and a C end of the second four-way valve 26 is connected to the outlet end of the second outdoor heat exchanger 13.
As shown in fig. 2, in the heating season, the floor heating, indoor air conditioning heating and water heater heating functions are turned on, and the working processes of the heating, floor heating and water heating modes are as follows:
after the high-temperature and high-pressure refrigerant output by the compressor 1 passes through the oil separator 5, the pipeline is divided into a first branch 3 and a second branch 4, the high-temperature and high-pressure refrigerant in the first branch 3 flows into the hot water heat exchanger 2 through the first stop valve 22, the hot water heat exchanger 2 is a water tank heat exchanger, the refrigerant is heated by heat released in the hot water heat exchanger 2 to heat water in a water tank, the function of heating water is realized, and at the moment, the third electronic expansion valve 18 is in a full-open state. If the hot water heating function is not required, the third electronic expansion valve 18 may be closed, and the first shut-off valve 22 may be closed to cut off the pipeline between the compressor 1 and the hot water heat exchanger 2.
The high-temperature high-pressure refrigerant in the second branch 4 enters the D end of the first four-way valve 25, flows out from the E end of the first four-way valve 25, flows into the inlet header pipe 10 through the second stop valve 23, further flows into each air-conditioning heat exchanger 9 and the floor heating heat exchanger 8, releases heat in the floor heating heat exchanger 8 to achieve the floor heating function, releases heat in the air-conditioning heat exchanger 9 to heat indoor circulating air, and achieves the air-conditioning heating function.
The refrigerant condensed in the hot water heat exchanger 2, the floor heating heat exchanger 8 and the air-conditioning heat exchanger 9 respectively passes through the third electronic expansion valve 18, the fourth electronic expansion valve 19 and the fifth electronic expansion valve 20 and then is merged into the outlet header pipe 11, at this time, the third electronic expansion valve 18 is fully opened, the floor heating heat exchanger 8 which is put into the heating cycle, the fourth electronic expansion valve 19 and the fifth electronic expansion valve 20 which correspond to the air-conditioning heat exchanger 9 are in a fully opened state, and the floor heating heat exchanger 8 which is not put into the heating cycle, the fourth electronic expansion valve 19 and the fifth electronic expansion valve 20 which correspond to the air-conditioning heat exchanger 9 are in a closed state.
The condensed refrigerant that has converged into the outlet header pipe 11 passes through the third stop valve 24, then enters the first and second branch lines 14 and 15, and then passes through the first and second electronic expansion valves 16 and 17, respectively, and then enters the first and second outdoor heat exchangers 12 and 13, respectively. At this time, the first electronic expansion valve 16 and the second electronic expansion valve 17 are in a throttle state, the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 are connected in parallel to the heating circuit, the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 simultaneously serve as evaporators, and the refrigerant exchanges heat and evaporates in the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13.
The refrigerant evaporated in the first outdoor heat exchanger 12 enters the C-side of the first four-way valve 25, flows out from the S-side of the first four-way valve 25 and enters the gas-liquid separator 6, and the refrigerant evaporated in the second outdoor heat exchanger 13 enters the C-side of the second four-way valve 26, flows out from the S-side of the second four-way valve 26 and also enters the gas-liquid separator 6, and finally flows back to the compressor 1, thereby realizing a heating cycle.
As shown in fig. 3, in the cooling season, the indoor air conditioner cooling and water heater heating functions are turned on, and the cooling and water heating mode works as follows:
after the high-temperature and high-pressure refrigerant output by the compressor 1 passes through the oil separator 5, the pipeline is divided into a first branch 3 and a second branch 4, the high-temperature and high-pressure refrigerant in the first branch 3 flows into the hot water heat exchanger 2 through the first stop valve 22, the hot water heat exchanger 2 is a water tank heat exchanger, and the refrigerant is released in the hot water heat exchanger 2 to heat water in a water tank, so that a hot water making function is realized. At this time, the third electronic expansion valve 18 is in a fully open state. If the hot water heating function is not required, the third electronic expansion valve 18 may be closed, and the first shut-off valve 22 may be closed to cut off the pipeline between the compressor 1 and the hot water heat exchanger 2.
The high-temperature and high-pressure refrigerant in the second branch 4 enters the D end of the first four-way valve 25, flows out from the C end of the first four-way valve 25, is divided into two paths, one path enters the first outdoor heat exchanger 12, the other path enters the D end of the second four-way valve 26, flows out from the C end of the second four-way valve 26 and enters the second outdoor heat exchanger 13, the refrigerant releases heat and condenses in the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13, and at the moment, the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 are connected into a refrigeration loop in parallel and serve as condensers at the same time.
The refrigerant condensed by the first outdoor heat exchanger 12 and the second outdoor heat exchanger 13 passes through the first electronic expansion valve 16 and the second electronic expansion valve 17, respectively, and then enters the outlet header pipe 11 through the third stop valve 24, and at this time, both the first electronic expansion valve 16 and the second electronic expansion valve 17 are in a fully open state. The refrigerant condensed by the hot water heat exchanger 2 is also simultaneously collected into the outlet collection pipe 11.
The collected condensed refrigerants respectively pass through the fifth expansion valve 20 and enter the corresponding air-conditioning heat exchanger 9, and at this time, the fifth expansion valve 20 is in a throttling state. After the throttled refrigerant enters the air-conditioning heat exchanger 9, the low-temperature and low-pressure refrigerant evaporates and absorbs heat in the air-conditioning heat exchanger 9, so that the function of cooling indoor circulating air is realized.
The evaporated refrigerant flows into the inlet header pipe 10, passes through the second stop valve 23, enters the end E of the first four-way valve 25, flows out of the end S of the first four-way valve 25, enters the gas-liquid separator 6, and finally flows back to the compressor 1, thereby realizing the refrigeration cycle.
As shown in fig. 4, during the cooling season, the operation of the single hot water mode is as follows:
after the high-temperature and high-pressure refrigerant output by the compressor 1 passes through the oil separator 5, the pipeline is divided into a first branch 3 and a second branch 4, the high-temperature and high-pressure refrigerant in the first branch 3 flows into the hot water heat exchanger 2 through the first stop valve 22, the hot water heat exchanger 2 is a water tank heat exchanger, and the refrigerant is released in the hot water heat exchanger 2 to heat water in a water tank, so that a hot water making function is realized. At this time, the third electronic expansion valve 18 is in a fully open state, and the first stop valve 22 is in an open state.
The high-temperature and high-pressure refrigerant in the second branch 4 enters the end D of the first four-way valve 25, flows out from the end C of the first four-way valve 25, enters the first outdoor heat exchanger 12, releases heat and condenses in the first outdoor heat exchanger 12, at this time, the first outdoor heat exchanger 12 is connected to a refrigeration loop as a condenser, and the first electronic expansion valve 16 is in a fully open state.
The refrigerant condensed by the first outdoor heat exchanger 12 passes through the first branch line 14 and the first electronic expansion valve 16 and then joins the refrigerant condensed by the hot water heat exchanger 2, the joined refrigerant enters the second branch line 15, and enters the second outdoor heat exchanger 13 after being throttled by the second electronic expansion valve 17, at this time, the second electronic expansion valve 17 is in a throttling state, and the second outdoor heat exchanger 13 is connected to the refrigeration circuit as an evaporator.
The low-temperature and low-pressure refrigerant evaporates and absorbs heat in the second outdoor heat exchanger 13, and the evaporated refrigerant enters the C end of the second four-way valve 26, flows out from the S end of the second four-way valve 26, enters the gas-liquid separator 6, and finally flows back to the compressor 1.
In this operation mode, the fourth electronic expansion valve 19 and the fifth electronic expansion valve 20 are both closed, the second stop valve 23 in the inlet manifold 10 is also opened, and the first stop valve 22 and the third stop valve 24 are opened.
The utility model divides the outdoor heat exchanger into two parts, which can realize the operation of a plurality of modes such as independent water heating of the water heater in the refrigeration season, independent refrigeration of the indoor machine, heating of the water heater in the heating season, heating of the indoor machine, heating of the floor heating and the like, and can also utilize only one outdoor heat exchanger as an evaporator and utilize the other outdoor heat exchanger as a condenser to form a circulation loop when the function of the water heater is independently started in the refrigeration season, utilize a part of outdoor heat exchangers as the condensers to share the high pressure of the water heater, effectively avoid the phenomenon of high-pressure protection shutdown, and ensure the stable and reliable operation of the system.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A trigeminy supplies air conditioner hot-water heating system which characterized in that: the outdoor heat exchanger comprises a first outdoor heat exchanger and a second outdoor heat exchanger which are connected in parallel, wherein the first outdoor heat exchanger and the second outdoor heat exchanger are connected in parallel into the refrigerating and heating loop through the reversing valve set and serve as a condenser or an evaporator at the same time, or the first outdoor heat exchanger and the hot water heat exchanger are connected in parallel into the refrigerating loop through the reversing valve set and serve as a condenser, and the second outdoor heat exchanger serves as an evaporator and is connected into the refrigerating loop.
2. A triple co-generation air conditioning and water heating system as claimed in claim 1, wherein: the inlet ends of the floor heating heat exchanger group and the air conditioner heat exchanger group are connected with an inlet header pipe, the other end of the inlet header pipe is connected with a reversing valve group, the outlet ends of the hot water heat exchanger, the floor heating heat exchanger group and the air conditioner heat exchanger group are connected into an outlet header pipe, and the other end of the outlet header pipe is connected with a first outdoor heat exchanger and a second outdoor heat exchanger through a first shunt branch pipe and a second shunt branch pipe respectively.
3. The triple-generation air-conditioning and water-heating system as claimed in claim 2, wherein: and throttling elements, namely a first electronic expansion valve and a second electronic expansion valve, are connected in series on the first branch and the second branch.
4. A triple co-generation air conditioning and water heating system as claimed in claim 3, wherein: the first electronic expansion valve and the second electronic expansion valve are in a throttling state in the heating mode; or, the first electronic expansion valve and the second electronic expansion valve are in a fully open state in the cooling mode; or when the first electronic expansion valve is in a fully-opened state and the second electronic expansion valve is in a throttling state in the mode of independently heating water in the cooling season.
5. A triple co-generation air conditioning and water heating system as claimed in claim 2, wherein: throttling elements, namely a third electronic expansion valve, a fourth electronic expansion valve and a fifth electronic expansion valve are connected in series among outlet ends and outlet collecting pipes of the hot water heat exchanger, the floor heating heat exchanger group and the air conditioner heat exchanger group.
6. A triple co-generation air conditioning and water heating system as claimed in claim 5, wherein: the air conditioner heat exchanger group comprises at least one air conditioner heat exchanger, a plurality of air conditioner heat exchangers are connected in parallel, and a fifth electronic expansion valve is connected between the outlet end of each air conditioner heat exchanger and the outlet header pipe in series.
7. A triple co-generation air conditioning and water heating system as claimed in claim 5, wherein: the ground heating heat exchanger group comprises at least one ground heating heat exchanger, a plurality of ground heating heat exchangers are connected in parallel, and a fourth electronic expansion valve is connected between the outlet end of each ground heating heat exchanger and the outlet header pipe in series.
8. A triple co-generation air conditioning and water heating system as claimed in claim 5, wherein: and the fifth electronic expansion valve is in a throttling state in the cooling mode and is in a fully opened or closed state in the heating mode.
9. A triple co-generation air conditioning and water heating system as claimed in claim 2, wherein: the exhaust end of the compressor is connected with a first branch of an inlet of the hot water heat exchanger in series, the inlet collection pipes of the floor heating heat exchanger group and the air conditioner heat exchanger group are connected with second stop valves in series, and the outlet collection pipes of the hot water heat exchanger, the floor heating heat exchanger group and the air conditioner heat exchanger group are connected with third stop valves in series.
10. A triple co-generation air-conditioning and water heating system according to any one of claims 1 to 9, wherein: the reversing valve set comprises a first four-way valve and a second four-way valve, the D end of the first four-way valve is connected with a second branch of the exhaust end of the compressor, the E end of the first four-way valve is connected with the inlet ends of the floor heating heat exchanger set and the air conditioner heat exchanger set, the S end of the first four-way valve is connected with the air inlet end of the compressor and the S end of the second four-way valve, the C end of the first four-way valve is connected with the outlet end of the first outdoor heat exchanger, the D end of the second four-way valve is connected with the outlet end of the first outdoor heat exchanger, and the C end of the second four-way valve is connected with the outlet end of the second outdoor heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202123166457.4U CN216924596U (en) | 2021-12-16 | 2021-12-16 | Triple-generation air-conditioning hot water system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123166457.4U CN216924596U (en) | 2021-12-16 | 2021-12-16 | Triple-generation air-conditioning hot water system |
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| CN216924596U true CN216924596U (en) | 2022-07-08 |
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| CN202123166457.4U Active CN216924596U (en) | 2021-12-16 | 2021-12-16 | Triple-generation air-conditioning hot water system |
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2021
- 2021-12-16 CN CN202123166457.4U patent/CN216924596U/en active Active
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