CN209800783U - Hot water air conditioner with six-way reversing valve - Google Patents
Hot water air conditioner with six-way reversing valve Download PDFInfo
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- CN209800783U CN209800783U CN201920188532.0U CN201920188532U CN209800783U CN 209800783 U CN209800783 U CN 209800783U CN 201920188532 U CN201920188532 U CN 201920188532U CN 209800783 U CN209800783 U CN 209800783U
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Abstract
The utility model discloses install a hot water air conditioner with six-way switching-over valve, because the utility model discloses the device of six-way switching-over valve structure has been possessed for hot water air conditioner is simpler, realize multi-functional operational mode more easily. And the cost is low and the quality is stable.
Description
Technical Field
the invention is suitable for a hot water air conditioner, and particularly relates to a hot water air conditioner with a six-way valve.
background
The existing cooling and heating air conditioner mainly depends on the switching function of a four-way reversing valve well known by ordinary persons in the field, so that the roles of an indoor heat exchanger and an outdoor heat exchanger of the cooling and heating air conditioner are exchanged in two directions, namely, the purposes of indoor refrigeration, heating and defrosting can be achieved.
the hot water air conditioner using the refrigerant circulation is a new product combining the functions of a cooling and heating air conditioner and an air energy water heater, and has wide market prospect. The refrigerator has the functions of refrigerating, heating water, refrigerating and defrosting. The method is equivalent to the method that three heat exchangers are used: the roles of the indoor heat exchanger, the outdoor heat exchanger and the water side heat exchanger between the evaporator and the condenser are interchanged. Therefore, it is not enough to have the function of a four-way reversing valve with two directions interchanged.
Chinese patent publication No. CN201583052U, publication date is 9/15/2010, named: full-effect heat pump system. The defrosting device comprises a first electromagnetic valve, a second electromagnetic valve, a first three-way electromagnetic valve, a second three-way electromagnetic valve, a defrosting electromagnetic valve, a compressor, a four-way reversing valve, a first heat exchanger, a first throttling valve, a second heat exchanger, a second throttling valve and a third heat exchanger. The electromagnetic valve ports and the four-way reversing valve are controlled to be switched on or switched off, and different working modes are selected, so that refrigeration, heating and hot water are integrated, and different requirements are fully met. Compared with a heat pump air conditioner, the device needs to be additionally provided with two electromagnetic valves, two three-way electromagnetic valves and a defrosting electromagnetic valve, and a four-way reversing valve of the heat pump air conditioner needs six valves, and the four-way reversing valve is dispersedly arranged at different positions of a loop to achieve the purpose. Not only does this increase the cost problem, but also increases the fault probability and increases the difficulty of production and assembly as each switching valve is added, namely, a fault multi-point is added. Moreover, the failure rate of each electromagnetic valve is higher than that of a four-way reversing valve, so that the product quality cannot be ensured.
so far, no better hot water air conditioning scheme is seen in the market.
Disclosure of Invention
the invention aims to overcome the defects of the prior art and provide a hot water air conditioning device with more perfect functions.
The invention adopts the following technical scheme: a hot water air conditioner with a six-way reversing valve is characterized by comprising: the compressor is provided with an exhaust port and a return air port;
The six-way reversing valve is provided with a first valve port, a second valve port, a third valve port, a fourth valve port, a fifth valve port and a sixth valve port, wherein the first valve port is communicated with any one of the third valve port and the fourth valve port, and the second valve port is communicated with any other one of the fifth valve port and the sixth valve port; the first valve port is communicated with any one of the fifth valve port and the sixth valve port, and the second valve port is communicated with any other one of the third valve port and the fourth valve port; the first valve port is connected with the exhaust port, and the second valve port is connected with the machine return air port;
the first end of the water side heat exchanger is communicated with the third valve port, the second end of the water side heat exchanger is communicated with the first end of the first throttling element, the second end of the first throttling element and the first end of the outdoor heat exchanger are connected with the fourth valve port, the second end of the outdoor heat exchanger and the first end of the second throttling element are connected with the fifth valve port, the second end of the second throttling element is connected with the first end of the indoor heat exchanger, and the second end of the indoor heat exchanger is connected with the sixth valve port.
it is characterized in that the six-way reversing valve comprises:
the first valve body W is provided with a first driving assembly and a first main valve body;
the first pilot spool, the first electromagnetic coil and the first compression spring are first driving components;
the first right piston cavity, the first left piston cavity, the first main valve middle cavity and the first flow guiding cap r are arranged in the first main valve body;
the first main valve body comprises first capillary tubes D, e, c and S and a first main tube D, E, C, S, wherein the first capillary tube c is connected with a first right piston cavity of the first main valve body, the first capillary tube e is connected with a left piston cavity of the first main valve body, the first capillary tube D is connected with the first main tube D, and the first capillary tube S is connected with the first main tube S; the first main pipe D and the first main pipe E, C, S are opposite and connected to two sides of the first main valve body, the first main pipe D is a first valve port of the six-way reversing valve, and the first main pipe S is a second valve port of the six-way reversing valve;
A second valve body H, wherein the second valve body H is provided with a second driving assembly and a second main valve body;
the second pilot spool, the second electromagnetic coil and the second compression spring are second driving assemblies;
The second right piston cavity, the second left piston cavity, the second main valve middle cavity and the second flow guiding cap f are arranged in the second main valve body;
The second capillary tube D, e, c, S and the second main tube D, E, C, S, the second capillary tube c is connected with the second right piston cavity of the second main valve, the second capillary tube e is connected with the second left piston cavity of the second main valve body, the second capillary tube D is connected with the second main tube D, and the second capillary tube S is connected with the second valve port S; the second main pipe D and the second main pipe E, C, S are opposite and connected to two sides of the second main valve body, the second main pipe E is a third valve port of the six-way reversing valve, and the second main pipe C is a fourth valve port of the six-way reversing valve;
a third valve body L having a third drive assembly, a third main valve body;
The third pilot spool, the third electromagnetic coil and the third compression spring are arranged in a third driving assembly;
The third right piston cavity, the third left piston cavity, the third main valve middle cavity and the third flow guiding cap f are arranged in the third main valve body;
Third capillary tubes D, e, c and S and a third main tube D, E, C, S, wherein the third capillary tube c is connected with a third right piston cavity of a third main valve, the third capillary tube e is connected with a third left piston cavity of a third main valve body, the third capillary tube D is connected with a third main tube D, and the third capillary tube S is connected with a second valve port S; the third main pipe D and the third main pipe E, C, S are opposite and connected to two sides of the third main valve body, the third main pipe E is a fifth valve port of the six-way reversing valve, and the third main pipe C is a sixth valve port of the six-way reversing valve;
the main pipe D of the second valve body H and the main pipe D of the third valve body L are communicated with the main pipe of the first valve port D of the first valve body W
the first main pipe C of the first valve body W is communicated with the second main pipe S of the second valve body H, and the first main pipe E of the first valve body W is communicated with the third main pipe S of the third valve body L.
The heat exchanger is characterized in that the water side heat exchanger can be a water tank heat exchanger, a double-pipe heat exchanger, a plate heat exchanger and a shell-and-tube heat exchanger.
it features that the first and second throttle elements may be electronic expansion valve and capillary tube.
the invention relates to a hot water air conditioner with a six-way reversing valve, which is characterized in that the six-way reversing valve is used, so that the whole set of device is simpler, and the role switching of a water side heat exchanger, an indoor unit heat exchanger and an outdoor unit heat exchanger between an evaporator and a condenser is easier to realize 1; the purposes of refrigerating, heating, hot water making, refrigerating and defrosting are achieved; 2. the number of conversion valves is small, and the structure is simple; 3. the cost is low; 4. the quality is stable.
drawings
FIG. 1 is a schematic illustration of a six-way reversing valve according to an embodiment of the invention in a hot water air conditioning cooling state;
FIG. 2 is a schematic diagram of a six-way reversing valve according to an embodiment of the invention in a hot water air conditioning heating state;
FIG. 3 is a schematic diagram of a six-way reversing valve according to an embodiment of the invention in a hot water heating state of a hot water air conditioner;
FIG. 4 is a schematic illustration of a six-way reversing valve according to an embodiment of the invention in a hot water air conditioning defrost state;
FIG. 5 is a schematic diagram of a six-way reversing valve according to an embodiment of the invention in a hot water air conditioner to simultaneously produce hot water and cool;
FIG. 6 is a schematic diagram of a hot water air conditioning refrigeration principle according to an embodiment of the invention;
fig. 7 is a schematic diagram illustrating a heating principle of a hot water air conditioner according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of the principle of heating water by a hot water air conditioner according to an embodiment of the invention;
FIG. 9 is a schematic diagram illustrating defrosting principle of a hot water air conditioner according to an embodiment of the invention;
FIG. 10 is a schematic diagram illustrating the operation principle of the hot water air conditioner for simultaneously heating and cooling water according to the embodiment of the present invention;
fig. 10 is a schematic diagram of parts of a hot water air conditioner according to an embodiment of the present invention.
Reference numbers of hot water air conditioning system: the air conditioner comprises a compressor 1, a six-way reversing valve 2, a water side heat exchanger 3, a first throttling element 4, an outdoor unit heat exchanger 5, a second throttling element 6, an indoor unit heat exchanger 7, a first valve port 8, a second valve port 9, a third valve port 10, a fourth valve port 11, a fifth valve port 12, a sixth valve port 13, an exhaust port 14 and a return air port 15.
reference numbers of the first valve body W of the six-way reversing valve 2: the first drive assembly 101, the first solenoid 16, the first pilot spool 17, the first compression spring 18, the first main valve body 201, the first right piston chamber 19, the first left piston chamber 20, the first pilot spool 21, the first main valve middle chamber 22, the first pilot cap r, the first capillary D, E, C, S, the first valve port 8 (first main pipe) D, the first main pipe E, the first main pipe C, and the second valve port 9 (first main pipe) S.
Reference numbers of the second valve body H of the six-way reversing valve 2: the second drive assembly 102, the second solenoid coil 23, the second pilot spool 24, the second compression spring 25, the second main valve body 202, the second right piston chamber 26, the second left piston chamber 27, the second pilot spool 28, the second main valve middle chamber 29, the second pilot cap f, the second capillary tubes D, E, C, S, the second main pipe D, the third valve port 10 (second main pipe) E, the fourth valve port 11 (second main pipe) C, and the second main pipe S.
Reference number of the third valve body L of the six-way reversing valve 2: a third drive assembly 103, a third solenoid 30, a third pilot spool 31, a third compression spring 32, a third main valve body 203, a third right piston chamber 33, a third left piston chamber 34, a third pilot spool 35, a third main valve middle chamber 36, a third pilot cap f, third capillary tubes D, E, C, S, a third main tube D, a fifth port 12 (third main tube) E, a sixth port 13 (third main tube) C, and a third main tube S.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the invention and are not to be construed as limiting the invention.
furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
in the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "through" are to be construed broadly, as they may be directly connected, or connected through an intermediate, or "through" two elements or an interaction between two elements, unless otherwise expressly stated or limited. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
in the present invention, unless otherwise explicitly specified and limited, "left shift" and "right shift" are used as customary terms in the drawings for describing the operation principle of the embodiments and are not to be construed as fixed designations.
The embodiment of the invention is described in detail with reference to fig. 1 to 10, and the invention adopts the following technical scheme: a hot water air conditioner with a six-way reversing valve is characterized by comprising: the compressor 1, the said compressor 1 has exhaust port 14, return air inlet 15;
the six-way reversing valve 2 is provided with a first valve port 8, a second valve port 9, a third valve port 10, a fourth valve port 11, a fifth valve port 12 and a sixth valve port 13, wherein the first valve port 8 is communicated with any one of the third valve port 10 and the fourth valve port 11, and the second valve port 9 is communicated with any other one of the fifth valve port 12 and the sixth valve port 13; the first port 8 is communicated with any one of the fifth port 12 and the sixth port 16, and the second port 9 is communicated with any other one of the third port 10 and the fourth port 11; the first valve port 8 is connected with an exhaust port 14 of the compressor 1, and the second valve port 9 is connected with a return port 15 of the compressor 1;
The water-side heat exchanger comprises a water-side heat exchanger 3, a first throttling element 4, an outdoor heat exchanger 5, a second throttling element 5 and an indoor heat exchanger 6, wherein a first end of the water-side heat exchanger 3 is communicated with a third valve port 10, a second end of the water-side heat exchanger 3 is communicated with a first end of the first throttling element 4, a second end of the first throttling element 4 and a first end of the outdoor heat exchanger 5 are connected with a fourth valve port 11, a second end of the outdoor heat exchanger 5 and a first end of the second throttling element 6 are connected with a fifth valve port 12, a second end of the second throttling element 6 is connected with a first end of the indoor heat exchanger 7, and a second end of the indoor heat exchanger 7 is connected with a sixth valve port 13.
The six-way reversing valve 2 is characterized by comprising:
The first valve body W is provided with a first driving assembly and a first main valve body;
The first pilot spool, the first electromagnetic coil and the first compression spring are first driving components;
the first right piston cavity, the first left piston cavity, the first main valve middle cavity and the first flow guiding cap r are arranged in the first main valve body;
The first main valve body comprises first capillary tubes D, e, c and S and a first main tube D, E, C, S, wherein the first capillary tube c is connected with a first right piston cavity of the first main valve body, the first capillary tube e is connected with a left piston cavity of the first main valve body, the first capillary tube D is connected with the first main tube D, and the first capillary tube S is connected with the first main tube S; the first main pipe D and the first main pipe E, C, S are opposite and connected to two sides of the first main valve body, the first main pipe D is a first valve port of the six-way reversing valve, and the first main pipe S is a second valve port of the six-way reversing valve;
the first pilot spool valve moves leftwards when the first electromagnetic coil is in a power-off state, the first pilot spool valve moves leftwards at the moment, a main pipe of a first valve port D is communicated with a first main pipe C, and a first main pipe E is communicated with a second valve port S pipe; when the first electromagnetic coil is in a power-on state, the first pilot slide valve moves rightwards at the moment, a main pipe of the first valve port D is communicated with a main pipe E, and a main pipe C of the first valve port C is communicated with a main pipe of the second valve port S;
A second valve body H, wherein the second valve body H is provided with a second driving assembly and a second main valve body;
The second pilot spool, the second electromagnetic coil and the second compression spring are second driving assemblies;
The second right piston cavity, the second left piston cavity, the second main valve middle cavity and the second flow guiding cap f are arranged in the second main valve body;
The second capillary tube D, e, c, S and the second main tube D, E, C, S, the second capillary tube c is connected with the second right piston cavity of the second main valve, the second capillary tube e is connected with the second left piston cavity of the second main valve body, the second capillary tube D is connected with the second main tube D, and the second capillary tube S is connected with the second valve port S; the second main pipe D and the second main pipe E, C, S are opposite and connected to two sides of the second main valve body, the second main pipe E is a third valve port of the six-way reversing valve, and the second main pipe C is a fourth valve port of the six-way reversing valve;
The second main pipe S is communicated with the third main pipe E; when the second electromagnetic coil is in an electrified state, the second pilot slide valve moves rightwards, at the moment, the second pilot slide valve moves rightwards, and the second main pipe S is communicated with the main pipe of the fourth valve port C;
a third valve body L having a third drive assembly, a third main valve body;
the third pilot spool, the third electromagnetic coil and the third compression spring are arranged in a third driving assembly;
the third right piston cavity, the third left piston cavity, the third main valve middle cavity and the third flow guiding cap f are arranged in the third main valve body;
Third capillary tubes D, e, c and S and a third main tube D, E, C, S, wherein the third capillary tube c is connected with a third right piston cavity of a third main valve, the third capillary tube e is connected with a third left piston cavity of a third main valve body, the third capillary tube D is connected with a third main tube D, and the third capillary tube S is connected with a second valve port S; the third main pipe D and the third main pipe E, C, S are opposite and connected to two sides of the third main valve body, the third main pipe E is a fifth valve port of the six-way reversing valve, and the third main pipe C is a sixth valve port of the six-way reversing valve;
the third electromagnetic coil is in a power-off state, the third pilot spool moves leftwards at the moment, and the main pipe S is communicated with the fifth valve port E; when the third electromagnetic coil is in an electrified state, the third pilot slide valve moves rightwards at the moment, and the third main pipe S is communicated with the sixth valve port C;
the main pipe D of the second valve body H and the main pipe D of the third valve body L are communicated with the main pipe of the first valve port D of the first valve body W
The first main pipe C of the first valve body W is communicated with the second main pipe S of the second valve body H, and the first main pipe E of the first valve body W is communicated with the third main pipe S of the third valve body L.
The heat exchanger is characterized in that the water side heat exchanger can be a water tank heat exchanger, a double-pipe heat exchanger, a plate heat exchanger and a shell-and-tube heat exchanger.
It features that the first and second throttle elements may be electronic expansion valve and the combination of capillary tube and one-way valve.
The operation and features of the construction of a six-way reversing valve 2 according to the invention will now be described with reference to figures 1 to 5.
The working principle of the first valve body W, the second valve body H and the third valve body L.
1. The working principle of reversing the first valve body W is as follows:
the first valve body W includes: the first drive assembly 101, the first solenoid 16, the first pilot spool 17, the first compression spring 18, the first main valve body 201, the first right piston chamber 19, the first left piston chamber 20, the first pilot spool 21, the first main valve middle chamber 22, the first pilot cap r, the first capillary D, E, C, S, the first valve port 8 (first main pipe) D, the first main pipe E, the first main pipe C, and the second valve port 9 (first main pipe) S.
the working principle that the refrigerant flows out from the main pipe C of the first valve body W and the main pipe S of the second valve port 9 flows back is as follows:
When high-pressure and high-temperature refrigerant enters the main pipe D of the first valve port 8 and the capillary D and the first electromagnetic coil 16 of the first driving assembly 101 is in a power-off state, the pilot slide valve 17 moves left under the driving of the compression spring 18, high-pressure gas enters the capillary c, pressure difference exists at two ends of the piston because the pressure in the right piston cavity 19 of the first main valve body 201 is larger than the pressure in the left piston cavity 20, the gas in the piston cavity 20 is discharged, enters the pilot slide valve 17 through the capillary e, and is communicated through the capillary S to enter the main pipe S of the second valve port 9; at this time, the main spool 21 moves to the left, and the main pipe D and the main pipe C of the first port 8 communicate with the main valve middle chamber 22, so that the main pipe D, C of the first port 8 is penetrated, and the high-pressure and high-temperature refrigerant flows out from the main pipe C;
since the deflector cap r of the main slide valve body 21 has a convex semicircular bottom structure with a diameter only covering E, S tubes, the main tube S of the second valve port 9 is communicated with the main tube E, and low-temperature and low-pressure refrigerant flows back from the main tube S of the second valve port 9.
the working principle that the refrigerant flows out from the main pipe E of the first valve body W and the main pipe S of the second valve port 9 flows back is as follows:
When high-pressure and high-temperature refrigerant enters a main pipe D and a capillary D of the first valve port 8 and a first electromagnetic coil 16 of the first driving assembly 101 is in a power-on state, a pilot slide valve 17 overcomes the tension of a compression spring 18 under the magnetic force action of the electromagnetic coil 16 to move to the right, high-pressure gas enters a capillary e, and because the pressure in a left piston cavity 20 of the first main valve body 201 is larger than the pressure in a right piston cavity 19, pressure difference exists at two ends of a piston, the gas in the piston cavity 19 is discharged, enters the pilot slide valve 17 through a capillary c, and is communicated through a capillary S to enter an S pipe (a second valve port 9); at this time, the main slide valve body 21 moves to the right, and the diameter of the flow guiding cap r of the main slide valve body 21 is a convex semicircular bottom structure which can only cover the main pipe C and the main pipe S of the second valve port 9, so the main pipe D and the main pipe E of the first valve port 8 are communicated with each other by the main valve middle cavity 22, at this time, the main pipe D and the main pipe E of the first valve port 8 are communicated, and high-pressure and high-temperature refrigerant flows out from the main pipe E;
since the deflector cap r of the main slide valve body 17 has a convex semicircular bottom structure with a diameter that can only cover the main pipe C and the main pipe S of the second valve port 9, the main pipe C and the main pipe S of the second valve port 9 are communicated with each other, and low-temperature and low-pressure refrigerant flows back from the main pipe S of the second valve port 9.
From the above, the working principle of reversing the first valve body W is the reversing working principle of the four-way reversing valve well known to the ordinary skilled person.
2. the main pipe E, the main pipe S and the main pipe C of the second valve body H adopt a three-way working principle:
The second valve body H includes: the second drive assembly 102, the second solenoid coil 23, the second pilot spool 24, the second compression spring 25, the second main valve body 202, the second right piston chamber 26, the second left piston chamber 27, the second pilot spool 28, the second main valve middle chamber 29, the second pilot cap f, the second capillary tubes D, E, C, S, the second main pipe D, the third valve port 10 (second main pipe) E, the fourth valve port 11 (second main pipe) C, and the second main pipe S.
When the high-pressure and high-temperature refrigerant enters the main pipe D and the capillary tube D:
when the second electromagnetic coil 23 of the second driving assembly 102 is powered off, the pilot spool 24 moves left under the driving of the compression spring 25, high-pressure gas enters the capillary c, because the pressure in the right piston cavity 26 of the second main valve body 202 is greater than the pressure in the left piston cavity 27, a pressure difference exists between two ends of the piston, the gas in the left piston cavity 27 is discharged, enters the pilot spool 24 through the capillary e, and is communicated through the capillary S to enter the main pipe S of the second valve port 9; at this time, the main slide valve body 28 moves to the left, and the base of the deflector cap f has a structure for closing the length and area of the main pipe C of the fourth valve port 11, so that the main pipe C of the fourth valve port 11 is prevented from communicating with the main valve middle cavity 29, and the main pipe C of the fourth valve port 11 is prevented from communicating with the main pipe D, so that the high-pressure and high-temperature refrigerant entering from the main pipe D cannot flow out of the main pipe C of the fourth valve port 11; and because the diversion cap f of the main slide valve body 28 is provided with a convex semicircular structure of the diversion cap r of the four-way reversing valve, the bottom diameter covers the main pipe E and the main pipe S of the third valve opening 10, so that the main pipe S is communicated with the main pipe E of the third valve opening 10.
At this time, the refrigerant in the circuit can enter from the main pipe S, and the refrigerant in the third valve 10 can exit from the main pipe E; or from the third valve 10 to the main pipe E and S.
when the second electromagnetic coil 23 of the second driving assembly 102 is energized, the pilot spool 24 overcomes the tension of the compression spring 18 and moves to the right under the magnetic force of the electromagnetic coil 16, high-pressure gas enters the capillary e, because the pressure in the left piston cavity 27 of the second main valve body 202 is greater than the pressure in the right piston cavity 26, a pressure difference exists at two ends of the piston, the gas in the right piston cavity 26 is discharged, enters the pilot spool 24 through the capillary c, and is communicated through the capillary S to enter the main pipe S of the second valve port 9; at this time, the main spool 28 moves to the right, and the base of the deflector cap f has a structure for closing the length and area of the main pipe E of the third valve port 10, so that the main pipe E of the third valve port 10 is prevented from communicating with the main valve middle chamber 29, and the main pipe E of the third valve port 10 is prevented from communicating with the pipe D, so that the high-pressure and high-temperature refrigerant entering from the main pipe D cannot flow out from the main pipe E of the third valve port 10. Because the diversion cap f of the main slide valve body 28 has a convex semicircular structure of the diversion cap r of the four-way reversing valve, the bottom diameter covers the main pipe C and the main pipe S of the fourth valve port 11, so that the main pipe C and the main pipe S of the fourth valve port 11 are communicated.
at this time, the refrigerant in the circuit can enter from the main pipe S, and the main pipe C of the fourth valve port 11 can exit; or the main pipe C enters from the fourth valve port 11 and the main pipe S exits.
3. the working principle of the third valve LE, S and C pipe tee joint is as follows:
the third valve body L includes: a third drive assembly 103, a third solenoid 30, a third pilot spool 31, a third compression spring 32, a third main valve body 203, a third right piston chamber 33, a third left piston chamber 34, a third pilot spool 35, a third main valve middle chamber 36, a third pilot cap f, third capillary tubes D, E, C, S, a third main tube D, a fifth port 12 (third main tube) E, a sixth port 13 (third main tube) C, and a third main tube S.
The third valve body L and the second valve body H have the same structure and operation principle, and the operation principle of the third valve body L is referred to the operation principle of the second valve body H, and therefore, the description thereof will not be repeated.
The first valve body W is a structure of a four-way reversing valve, the second valve body and the third valve body L have the same structure as the first valve body W except that the structure of the diversion cap f and the connection point of the other end of the capillary tube are different, and the rest of the structure of the main valve body and the driving assembly are the same as the structure of the first valve body W.
the first valve body W has a four-way reversing valve function because of the deflector cap r of the first valve body W, the pipe D can output high-pressure and high-temperature refrigerant to the pipe E or the pipe C, the pipe E and the pipe C also have a refrigerant backflow function, and the pipe S only has a refrigerant outflow function and does not have a reverse inflow function.
The second valve body H and the third valve body L are provided with flow guide caps f, so that the pipe D keeps the function of providing downward pressure for all parts of the main slide valve body and providing high-pressure and high-temperature refrigerants for moving the main slide valve body by the capillary tube D, and the function of outputting the high-pressure and high-temperature refrigerants to the pipe E and the pipe C is lost.
the second valve body H and the third valve body L are only connected with the four-way reversing valve for use, and the upward jacking force generated when the loop refrigerant enters the convex semicircular r structure of the guide cap f of the main slide valve body cannot be larger than the downward pressure generated by the refrigerant entering the main valve middle cavity from the pipe D on each component of the main slide valve body at any time, so that the pipe S, the pipe E and the pipe C can be used as an inlet pipe and an outlet pipe of the loop refrigerant, and the pipe D can be used as a blind pipe for outputting the refrigerant.
the six-way reversing valve 2 has the structural characteristics that:
1. The main pipe D of the first valve body W, the second valve body H and the third valve body L is communicated with each other:
When the main pipes D of the first valve body W, the second valve body H, and the third valve body L are communicated with each other, and high-temperature and high-pressure cooling enters the first port 8 of the first valve body W, it is equivalent to entering the main pipes D of the first valve body W, the second valve body H, and the third valve body L at the same time.
2. The capillary tube D of the first valve body W, the second valve body H and the third valve body L is communicated with the main tube D:
when the capillary tubes D of the first valve body W, the second valve body H and the third valve body L are communicated with the main tube D (the first valve port 8), and high-temperature and high-pressure refrigeration enters the main tube D of the first valve port 8 of the first valve body W, the capillary tubes D of the first valve body W, the second valve body H and the third valve body L are communicated with the main tube D, so that the first pilot slide valve 21, the second pilot slide valve 28 and the third pilot slide valve 31 can be ensured to enter simultaneously;
3. The capillary S tubes of the first valve body W, the second valve body H and the third valve body L are communicated with the main tube S of the second valve port 9 of the first valve body W:
the capillary tubes S of the first valve body W, the second valve body H and the third valve body L are communicated with the S tube of the first valve body W, and the capillary tubes S of the first valve body W, the second valve body H and the third valve body L are communicated with the main tube S of the second valve port 9 of the first valve body W, so that the minimum resistance met by the gas discharged from the first pilot slide valve 21, the second pilot slide valve 28 and the third pilot slide valve 31 is ensured.
4. The main pipe C of the first valve body W is communicated with the main pipe S of the second valve body H, and the main pipe E of the first valve body W is communicated with the main pipe S of the third valve body H:
First, when the first electromagnetic coil 16 of the first valve body W is powered off, the main pipe D of the first valve port 8 of the first valve body W communicates with the first main pipe C:
1. if the second electromagnetic coil 23 of the second valve body H and the third electromagnetic coil 30 of the third valve body L are powered off, the main pipe S of the second valve body H and the main pipe E of the third valve port 10 are communicated, and the main pipe C of the first valve body W is communicated with the main pipe S of the second valve body H, so the main pipe D of the first valve port 8 of the first valve body W is communicated with the main pipe E of the third valve port 10 of the second valve body H; at this time, the main pipe S of the second port 9 of the first valve body W communicates with the main pipe E, and the main pipe S of the fifth port 12 of the third valve body L communicates with the main pipe E of the third valve body L, and therefore, the main pipe S of the second port 9 of the first valve body W communicates with the main pipe E of the fifth port 12 of the third valve body L.
2. If the second electromagnetic coil 23 of the second valve body H and the third electromagnetic coil 30 of the third valve body L are electrified, the main pipe S of the second valve body H and the main pipe C of the fourth valve port 11 are communicated, and because the main pipe C of the first valve body W is communicated with the main pipe S of the second valve body H, the main pipe D of the first valve port 8 of the first valve body W is communicated with the main pipe C of the fourth valve port 11 of the second valve body H; at this time, the main pipe S of the second port 9 of the first valve body W communicates with the main pipe E, the main pipe S of the third valve body L communicates with the main pipe C of the sixth port 13 of the third valve body L, and the main pipe E of the first valve body W communicates with the main pipe S of the third valve body L, so that the main pipe S of the second port 9 of the first valve body W and the main pipe C of the sixth port 13 of the third valve body L communicate with each other.
Therefore, when the main pipe D of the first port 8 is communicated with one of the main pipes E of the third port 10 and the fourth port 11, the main pipe S of the second port 9 is communicated with the other of the main pipes E of the fifth port 12 and the sixth port 13.
when the first electromagnetic coil 16 of the first valve body W is energized, and the main pipe D and the main pipe E of the first valve port 8 of the first valve body W are communicated:
1. if the first electromagnetic coil 23 of the second valve body H and the third electromagnetic coil 30 of the third valve body L are powered off, the main pipe S of the third valve body L and the main pipe E of the fifth port 12 communicate with each other, and because the main pipe E of the first valve body W communicates with the main pipe S of the third valve body L, the main pipe D of the first port 8 of the first valve body W communicates with the main pipe E of the fifth port 12 of the third valve body L; at this time, the main pipe S and the main pipe C of the second valve port 9 of the first valve body W are communicated, the main pipe S and the main pipe E of the third valve port 10 of the second valve body H are communicated, and the main pipe C of the first valve body W is communicated with the main pipe S of the second valve body H, so that the main pipe S of the first valve body W is communicated with the main pipe E of the third valve port 10 of the second valve body H;
2. if the second valve body H, the second electromagnetic coil 23 and the third valve body L, the third electromagnetic coil 30 are electrified, the main pipe S and the main pipe C of the sixth port 13 of the third valve body L are communicated, and the main pipe E of the first valve body W is communicated with the main pipe S of the third valve body L, so the main pipe D of the first port 8 of the first valve body W is communicated with the main pipe C of the sixth port 13 of the third valve body L; at this time, the main pipe S of the second port 9 of the first valve body W communicates with the main pipe C, and the main pipe S of the second valve body H communicates with the main pipe C of the fourth port 11 of the second valve body H, and the main pipe C of the first valve body W communicates with the main pipe S of the second valve body H, so that the main pipe S of the second port 9 of the first valve body W communicates with the main pipe C of the fourth port 11 of the second valve body H.
Therefore, when the main pipe D of the first port 8 is communicated with either the main pipe E of the fifth port 12 or the main pipe C of the sixth port 13, the main pipe S of the second port 9 is communicated with the other of the main pipe E of the third port 10 and the main pipe C of the fourth port 11.
Referring to fig. 1 to 5, the six-way directional control valve according to the embodiment of the invention is described in detail in five operating states of the hot water air conditioner.
The structure of the six-way selector valve 2 and the operating principles of the first valve element W, the second valve element H, and the third valve element L will be described below, and the above operating principles will not be repeated but will be referred to as such.
referring to fig. 1, the six-way directional control valve of the embodiment of the invention is in a hot water air-conditioning refrigeration state:
when the first electromagnetic coil 16 of the first valve body W is powered off, the second electromagnetic coil 23 of the second valve body H is powered on, the third electromagnetic coil 30 of the third valve body L is powered on, and high-temperature and high-pressure refrigerant of the compressor 1 is discharged from the exhaust port 14 and enters the main pipe D of the first valve port 8 of the first valve body W, the refrigerant enters the main pipe S of the second valve body H from the main pipe C of the first valve body W and is discharged from the main pipe C of the fourth valve port 11 of the second valve body H;
The low-temperature and low-pressure refrigerant in the circuit flows from the main pipe C of the sixth port 13 of the third valve body L into the main pipe S of the third valve body L, flows out of the main pipe E of the first valve body W, and flows back into the compressor 1 through the return port 15 via the main pipe S of the second port 9. Therefore, the six-way directional control valve 2 completes the refrigerant circulation in the cooling state of the hot water air conditioner.
Referring to fig. 2, the six-way directional control valve of the embodiment of the invention is in a heating state of a hot water air conditioner:
when the first electromagnetic coil 16 of the first valve body W is energized, the second electromagnetic coil 23 of the second valve body H is energized, the third electromagnetic coil 30 of the third valve body L is energized, and high-temperature and high-pressure refrigerant of the compressor 1 is discharged from the exhaust port 14 into the main pipe D of the first valve port 8 of the first valve body W, the refrigerant enters the main pipe S of the third valve body L from the main pipe E of the first valve body W and is discharged from the main pipe C of the sixth valve port 13 of the third valve body L;
The low-temperature and low-pressure refrigerant in the circuit flows into and out of the main pipe S of the second valve body H from the main pipe C of the fourth valve port 11 of the second valve body H, enters the main pipe C of the first valve body W, and flows back into the compressor 1 through the return port 15 via the main pipe S of the second valve port 9 of the first valve body W. Therefore, the six-way directional control valve 2 completes the refrigerant circulation in the heating state of the hot water air conditioner.
Referring to fig. 3, the six-way directional control valve according to the embodiment of the present invention is in a hot water heating state of the hot water air conditioner:
when the first electromagnetic coil 16 of the first valve body W is powered off, the second electromagnetic coil 23 of the second valve body H is powered off, the third electromagnetic coil 30 of the third valve body L is powered off, and the high-temperature and high-pressure refrigerant of the compressor 1 is discharged from the exhaust port 14 into the main pipe D of the first valve port 8 of the first valve body W, the refrigerant enters the main pipe S of the second valve body H from the main pipe C of the first valve body W and is discharged from the main pipe E of the third valve port 10 of the second valve body H;
The low-temperature, low-pressure refrigerant in the circuit flows out of the main pipe E of the fifth port 12 of the third valve body L into the main pipe S of the third valve body L, enters the main pipe E of the first valve body W, and flows back into the compressor 1 through the return port 15 via the main pipe S of the second port 9 of the first valve body W. Therefore, the six-way directional control valve 2 completes the refrigerant circulation in the hot water making state of the hot water air conditioner.
referring to fig. 4, the six-way directional control valve of the embodiment of the invention is in a defrosting state of a hot water air conditioner:
when the first electromagnetic coil 16 of the first valve body W is energized, the second electromagnetic coil 23 of the second valve body H is de-energized, the third electromagnetic coil 30 of the third valve body L is de-energized, and the high-temperature and high-pressure refrigerant of the compressor 1 is discharged from the exhaust port 14 into the main pipe D of the first valve port 8 of the first valve body W, the refrigerant enters the main pipe S of the third valve body L from the main pipe E of the first valve body W and is discharged from the main pipe E of the fifth valve port 12 of the third valve body L;
the low-temperature, low-pressure refrigerant in the circuit flows from the main pipe E of the third valve port 10 of the second valve body H into the main pipe S of the second valve body H, flows out of the main pipe C of the first valve body W, and flows back into the compressor 1 through the return port 15 via the main pipe S of the second valve port 9 of the first valve body W. Therefore, the six-way reversing valve 2 completes the refrigerant circulation in the defrosting state of the hot water air conditioner.
referring to fig. 5, the six-way directional control valve 2 of the embodiment of the invention is in a state of heating water and cooling at the same time of a hot water air conditioner:
When the first electromagnetic coil 16 of the first valve body W is powered off, the second electromagnetic coil 23 of the second valve body H is powered off, the third electromagnetic coil 30 of the third valve body L is powered on, and the high-temperature and high-pressure refrigerant of the compressor 1 is discharged from the exhaust port 14 and enters the main pipe C of the first valve body W, the refrigerant enters the main pipe S of the second valve body H from the main pipe C of the first valve body W and is discharged from the main pipe E of the third valve port 10 of the second valve body H;
The low-temperature and low-pressure refrigerant in the circuit flows from the main pipe C of the sixth port 13 of the third valve body L into the main pipe S of the third valve body L, flows out of the main pipe E of the first valve body W, and flows back into the compressor 1 through the return port 15 via the main pipe S of the second port 9 of the first valve body W. Therefore, the six-way directional control valve 2 completes the refrigerant circulation in the state of heating water and cooling at the same time in the hot water air conditioner.
the following describes in detail the principles of hot water air conditioning refrigeration, heating, hot water heating, defrosting, simultaneous refrigeration and hot water heating according to the present invention, with reference to the drawings of fig. 6 to 10.
Through the above detailed description of the structure of the six-way reversing valve 2 and the five operating states of the six-way reversing valve 2 in hot water and air conditioning, the following description refers to the relevant contents, and the above operation principle will not be repeated, but the results of the above operation principle description are directly cited.
the hot water air conditioner according to the present invention comprises: the system comprises a compressor 1, a six-way reversing valve 2, a water side heat exchanger 3, a first throttling element 4, an outdoor heat exchanger 5, a second throttling element 5 and an indoor heat exchanger 6.
The refrigerant is compressed by the compressor 1 to become a high-temperature and high-pressure gas, and the high-temperature and high-pressure gas enters the water-side heat exchanger 3, the outdoor heat exchanger 5, and the indoor heat exchanger 6 through the exhaust port 14 to be condensed, liquefied, and released heat, thereby heating water on the water side, and outdoor or indoor air.
The first valve port 8 of the six-way reversing valve 2 is communicated with any one of the third valve port 10 and the fourth valve port 11, and the second valve port 9 is communicated with any other one of the fifth valve port 12 and the sixth valve port 13; the first port 8 is communicated with any one of the fifth port 12 and the sixth port 16, and the second port 9 is communicated with any other one of the third port 10 and the fourth port 11.
The first valve port 8 is connected with an exhaust port 14, the second valve port 9 is connected with a return port 15, and refrigerant enters the six-way reversing valve 2 from the first valve port 8 and returns to the return port 15 of the compressor 1 from the second valve port 9. It follows that the pressure of the refrigerant at the first valve port 8 is greater than the pressure of the refrigerant at the second valve port 9.
The first end of the water side heat exchanger 3 is communicated with the third valve port 10, the second end of the water side heat exchanger 3 is communicated with the first end of the first throttling element 4, the second end of the first throttling element 4 and the first end of the outdoor heat exchanger 5 are connected with the fourth valve port 11, the second end of the outdoor heat exchanger 5 and the first end of the second throttling element 6 are connected with the fifth valve port 12, the second end of the second throttling element 6 is connected with the first end of the indoor heat exchanger 7, and the second end of the indoor heat exchanger 7 is connected with the sixth valve port 13.
In the indoor refrigeration process, the outdoor heat exchanger 5 is used as a condenser, and the indoor heat exchanger 7 is used as an evaporator.
in the indoor heating process, the indoor heat exchanger 7 is used as a condenser, and the outdoor heat exchanger 5 is used as an evaporator.
In the indoor hot water making process, the water side heat exchanger 3 is used as a condenser, and the outdoor heat exchanger 5 is used as an evaporator.
And in the defrosting process of the outdoor heat exchanger 5, the outdoor heat exchanger 5 is used as a condenser, and the water side heat exchanger 3 is used as an evaporator.
meanwhile, in the processes of indoor refrigeration and hot water production, the water side heat exchanger 3 is used as a condenser, and the indoor heat exchanger 7 is used as an evaporator.
the water side heat exchanger can be a water tank heat exchanger, a double-pipe heat exchanger, a plate heat exchanger and a shell-and-tube heat exchanger.
the first and second throttling elements 4, 6 may be electronic expansion valves or capillary tubes (in the hope of our opinion, the use of electronic expansion valves is somewhat effective).
referring to fig. 6, the refrigeration principle of the hot water air conditioner of the embodiment of the invention is as follows:
as shown in fig. 6, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the outdoor heat exchanger 5 through the first valve port 8 and the fourth valve port 11, the refrigerant radiates heat in the outdoor heat exchanger 5 through the condenser, and is then throttled into a low-temperature and low-pressure refrigerant by the second throttling element 6, and the refrigerant enters the indoor heat exchanger 7 to evaporate and absorb heat, and then returns to the compressor 1 through the sixth valve port 13, the second valve port 9, and the return air port 15, thereby completing the process of cooling the indoor.
Referring to fig. 7, the heating principle of the hot water air conditioner according to the embodiment of the present invention:
as shown in fig. 7, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the indoor heat exchanger 7 through the first valve port 8 and the sixth valve port 13, the refrigerant radiates heat in the indoor heat exchanger 5 through the condenser, and is then throttled into a low-temperature and low-pressure refrigerant by the second throttling element 6, and the refrigerant enters the outdoor heat exchanger 5 to evaporate and absorb heat, and then returns to the compressor 1 through the fourth valve port 11, the second valve port 9, and the return air port 15, thereby completing the process of heating the indoor space.
Referring to fig. 8, the hot water making principle of the hot water air conditioner according to the embodiment of the present invention:
as shown in fig. 8, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the water-side heat exchanger 3 through the first valve port 8 and the third valve port 10, the refrigerant is cooled in the water-side heat exchanger 3 by the condenser, and then is throttled by the first throttling element 4 into a low-temperature and low-pressure refrigerant, and the refrigerant enters the outdoor heat exchanger 5 to be evaporated and absorb heat, and then returns to the compressor 1 through the fifth valve port 12, the second valve port 9 and the return air port 15, thereby completing the process of heating the indoor space.
Referring to fig. 9, the defrosting principle of the hot water air conditioner according to the embodiment of the invention:
as shown in fig. 9, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the outdoor heat exchanger 5 through the first valve port 8 and the fifth valve port 12, the refrigerant radiates heat in the outdoor heat exchanger 5 through the condenser, and is then throttled into a low-temperature and low-pressure refrigerant by the first throttling element 4, and the refrigerant enters the water-side heat exchanger 3 to evaporate and absorb heat, and then returns to the compressor 1 through the third valve port 10, the second valve port 9, and the return air port 15, thereby completing the defrosting process of the outdoor heat exchanger 5.
Referring to fig. 10, the hot water air conditioner of the embodiment of the present invention simultaneously heats water and refrigerates water according to the principle:
As shown in fig. 8, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the water-side heat exchanger 3 through the first valve port 8 and the third valve port 10, and the refrigerant undergoes condenser heat dissipation in the water-side heat exchanger 3 and then passes through the first throttling element 4 (e.g., using an electronic expansion valve) with the maximum opening, so that the refrigerant passes through in a state of almost no throttling. ) The refrigerant enters the outdoor heat exchanger 5, the fan in the outdoor heat exchanger 5 stops running to reduce the evaporation and heat absorption effect to the lowest level, the refrigerant enters the indoor heat exchanger 7 to evaporate and absorb heat after low-level throttling is carried out on the refrigerant through the second throttling element 6, and the refrigerant returns to the compressor 1 through the sixth valve port 13, the second valve port 9 and the return air port 15, so that the process of indoor refrigeration is completed.
While embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be taken as limiting the invention.
throughout this specification, the same embodiment or example must be referred to by the same language as the above. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. As long as the pipeline adopting three valve bodies is connected according to the scheme, no matter what valve body the pipeline belongs to, the protection scope of the patent is covered.
Claims (4)
1. a hot water air conditioner with a six-way reversing valve is characterized by comprising: the compressor is provided with an exhaust port and a return air port;
the six-way reversing valve is provided with a first valve port, a second valve port, a third valve port, a fourth valve port, a fifth valve port and a sixth valve port, wherein the first valve port is communicated with any one of the third valve port and the fourth valve port, and the second valve port is communicated with any other one of the fifth valve port and the sixth valve port; the first valve port is communicated with any one of the fifth valve port and the sixth valve port, and the second valve port is communicated with any other one of the third valve port and the fourth valve port; the first valve port is connected with the exhaust port of the compressor, and the second valve port is connected with the return port of the compressor;
The first end of the water side heat exchanger is communicated with the third valve port, the second end of the water side heat exchanger is communicated with the first end of the first throttling element, the second end of the first throttling element and the first end of the outdoor heat exchanger are connected with the fourth valve port, the second end of the outdoor heat exchanger and the first end of the second throttling element are connected with the fifth valve port, the second end of the second throttling element is connected with the first end of the indoor heat exchanger, and the second end of the indoor heat exchanger is connected with the sixth valve port.
2. a hot water air conditioner having a six-way reversing valve according to claim 1, wherein the six-way reversing valve comprises:
The first valve body W is provided with a first driving assembly and a first main valve body;
the first pilot spool, the first electromagnetic coil and the first compression spring are arranged as a first driving assembly;
the first right piston cavity, the first left piston cavity, the first main valve middle cavity and the first flow guiding cap r are arranged in the first main valve body;
the first main valve body comprises first capillary tubes D, e, c and S and a first main tube D, E, C, S, wherein the first capillary tube c is connected with a first right piston cavity of the first main valve body, the first capillary tube e is connected with a left piston cavity of the first main valve body, the first capillary tube D is connected with the first main tube D, and the first capillary tube S is connected with the first main tube S; the first main pipe D and the first main pipe E, C, S are opposite and connected to two sides of the first main valve body, the first main pipe D is a first valve port of the six-way reversing valve, and the first main pipe S is a second valve port of the six-way reversing valve;
A second valve body H, wherein the second valve body H is provided with a second driving assembly and a second main valve body;
the second pilot spool, the second electromagnetic coil and the second compression spring are second driving assemblies;
the second right piston cavity, the second left piston cavity, the second main valve middle cavity and the second flow guiding cap f are arranged in the second main valve body;
the second capillary tube D, e, c, S and the second main tube D, E, C, S, the second capillary tube c is connected with the second right piston cavity of the second main valve, the second capillary tube e is connected with the second left piston cavity of the second main valve body, the second capillary tube D is connected with the second main tube D, and the second capillary tube S is connected with the second valve port S; the second main pipe D and the second main pipe E, C, S are opposite and connected to two sides of the second main valve body, the second main pipe E is a third valve port of the six-way reversing valve, and the second main pipe C is a fourth valve port of the six-way reversing valve;
a third valve body L having a third drive assembly, a third main valve body;
the third pilot spool, the third electromagnetic coil and the third compression spring are arranged in a third driving assembly;
The third right piston cavity, the third left piston cavity, the third main valve middle cavity and the third flow guiding cap f are arranged in the third main valve body;
third capillary tubes D, e, c and S and a third main tube D, E, C, S, wherein the third capillary tube c is connected with a third right piston cavity of a third main valve, the third capillary tube e is connected with a third left piston cavity of a third main valve body, the third capillary tube D is connected with a third main tube D, and the third capillary tube S is connected with a second valve port S; the third main pipe D and the third main pipe E, C, S are opposite and connected to two sides of the third main valve body, the third main pipe E is a fifth valve port of the six-way reversing valve, and the third main pipe C is a sixth valve port of the six-way reversing valve;
the main pipe D of the second valve body H and the main pipe D of the third valve body L are communicated with the main pipe of the first valve port D of the first valve body W
The first main pipe C of the first valve body W is communicated with the second main pipe S of the second valve body H, and the first main pipe E of the first valve body W is communicated with the third main pipe S of the third valve body L.
3. A hot water air conditioner with six-way reversing valve according to claim 1, wherein the water side heat exchanger can be a water tank heat exchanger, a double pipe heat exchanger, a plate heat exchanger, a shell and tube heat exchanger.
4. A hot water air conditioner having a six-way reversing valve according to claim 1 wherein the first and second throttling elements are capillary tubes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920188532.0U CN209800783U (en) | 2019-02-07 | 2019-02-07 | Hot water air conditioner with six-way reversing valve |
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| CN201920188532.0U CN209800783U (en) | 2019-02-07 | 2019-02-07 | Hot water air conditioner with six-way reversing valve |
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| CN209800783U true CN209800783U (en) | 2019-12-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970194A (en) * | 2020-07-24 | 2022-01-25 | 约克广州空调冷冻设备有限公司 | Heat pump system |
| WO2024051643A1 (en) * | 2022-09-05 | 2024-03-14 | 约克广州空调冷冻设备有限公司 | Heat pump system |
-
2019
- 2019-02-07 CN CN201920188532.0U patent/CN209800783U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970194A (en) * | 2020-07-24 | 2022-01-25 | 约克广州空调冷冻设备有限公司 | Heat pump system |
| WO2022017297A1 (en) * | 2020-07-24 | 2022-01-27 | 约克广州空调冷冻设备有限公司 | Heat pump system |
| CN113970194B (en) * | 2020-07-24 | 2023-01-20 | 约克广州空调冷冻设备有限公司 | Heat pump system |
| EP4187177A4 (en) * | 2020-07-24 | 2024-04-17 | York Guangzhou Air Conditioning and Refrigeration Co., Ltd. | Heat pump system |
| WO2024051643A1 (en) * | 2022-09-05 | 2024-03-14 | 约克广州空调冷冻设备有限公司 | Heat pump system |
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