CN218033821U - Heat exchange system and heat pump unit - Google Patents
Heat exchange system and heat pump unit Download PDFInfo
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- CN218033821U CN218033821U CN202221917627.XU CN202221917627U CN218033821U CN 218033821 U CN218033821 U CN 218033821U CN 202221917627 U CN202221917627 U CN 202221917627U CN 218033821 U CN218033821 U CN 218033821U
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Abstract
The application provides a heat exchange system and a heat pump unit, wherein the system comprises a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a switch valve and a heat dissipation refrigerant pipe for dissipating heat of a drive plate of the compressor; during refrigeration, an exhaust port of the compressor is communicated with one end of the first heat exchanger, a gas return port of the compressor is communicated with one end of the second heat exchanger, the switch valve is used for controlling the other end of the first heat exchanger to be communicated with one end of the third heat exchanger or communicated with one end of the heat dissipation refrigerant pipe, the other end of the third heat exchanger is communicated with one end of the heat dissipation refrigerant pipe, and the other end of the heat dissipation refrigerant pipe is communicated with the second heat exchanger. The valve assembly is arranged to control the extra heat exchanger to further release heat of the refrigerant, so that the frequency reduction of the compressor caused by overhigh temperature of the refrigerant is avoided.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a heat exchange system and a heat pump unit.
Background
The heat exchange system is generally used for heat conversion between different media or media in different spaces to realize heat exchange, and can be applied to an air conditioning system, a heat pump unit and the like, wherein when a compressor driving plate of the heat exchange system works in a high-temperature environment, the temperature of the compressor driving plate is too high to limit the frequency of the compressor.
Disclosure of Invention
The application provides a heat transfer system and heat pump set, when under high temperature environment, further release heat to the refrigerant through setting up the extra heat exchanger of valve component control, avoid the refrigerant high temperature to lead to the reduction of compressor frequency.
In a first aspect, the present application provides a heat exchange system comprising:
the heat dissipation system comprises a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a switch valve and a heat dissipation refrigerant pipe, wherein the heat dissipation refrigerant pipe is used for dissipating heat for a drive plate of the compressor;
during refrigeration, the exhaust port of the compressor is communicated with one end of the first heat exchanger, the return port of the compressor is communicated with one end of the second heat exchanger, the switch valve is used for controlling the other end of the first heat exchanger to be communicated with one end of the third heat exchanger or communicated with one end of the heat dissipation refrigerant pipe, the other end of the third heat exchanger is communicated with one end of the heat dissipation refrigerant pipe, and the other end of the heat dissipation refrigerant pipe is communicated with the second heat exchanger.
In this application possible implementation, during heating, the gas vent of compressor with the one end intercommunication of second heat exchanger, the return-air inlet of compressor with first heat exchanger one end intercommunication, the ooff valve is used for control the other end of second heat exchanger with the one end intercommunication of third heat exchanger or with the one end intercommunication of heat dissipation refrigerant pipe, the other end of third heat exchanger with the one end intercommunication of heat dissipation refrigerant pipe, the other end of heat dissipation refrigerant pipe with first heat exchanger intercommunication.
In one possible implementation manner of the present application, the switch valve is an electromagnetic two-way valve, and the third heat exchanger is a capillary tube;
when the exhaust port of the compressor is communicated with one end of the first heat exchanger, the other end of the first heat exchanger is communicated with a first valve port of the switch valve and one end of the third heat exchanger respectively, and a second valve port of the switch valve is communicated with one end of the heat-radiating refrigerant pipe;
when the exhaust port of the compressor is communicated with one end of the second heat exchanger, the other end of the second heat exchanger is communicated with the first valve port of the switch valve and one end of the third heat exchanger respectively, and the second valve port of the switch valve is communicated with one end of the heat dissipation refrigerant pipe.
In one possible implementation manner of the present application, the heat exchange system further includes: a valve assembly comprising a seventh port, an eighth port, a ninth port, and a tenth port;
the seventh valve port is communicated with the other end of the first heat exchanger, the eighth valve port is communicated with the other end of the second heat exchanger, the ninth valve port is respectively connected with the first valve port and one end of the third heat exchanger, and the tenth valve port is connected with one end of the heat-radiating refrigerant pipe;
when the seventh valve port is communicated with the ninth valve port, the tenth valve port is communicated with the eighth valve port, and when the seventh valve port is communicated with the tenth valve port, the eighth valve port is communicated with the ninth valve port.
In a possible implementation manner of the present application, the valve assembly includes a first check valve, a second check valve, a third check valve, and a fourth check valve, an output end of the first check valve is connected to the ninth port, an input end of the first check valve is connected to the eighth port, an output end of the second check valve is connected to the eighth port, an input end of the second check valve is connected to the tenth port, an output end of the third check valve is connected to the seventh port, an input end of the third check valve is connected to the tenth port, an output end of the fourth check valve is connected to the ninth port, and an input end of the fourth check valve is connected to the seventh port.
In this application a possible implementation, work as when the ooff valve is opened, the compressor the first heat exchanger the third heat exchanger the heat dissipation refrigerant pipe the second heat exchanger connects gradually and forms the refrigeration refrigerant return circuit, the compressor the second heat exchanger the third heat exchanger the heat dissipation refrigerant pipe first heat exchanger connects gradually and forms the refrigerant return circuit that heats.
In one possible implementation manner of the present application, the heat exchange system further includes: the multi-way valve comprises a third valve port, a fourth valve port, a fifth valve port and a sixth valve port;
the third valve port is connected with an exhaust port of the compressor, the fourth valve port is communicated with a return air port of the compressor, the fifth valve port is communicated with the first heat exchanger, and the sixth valve port is communicated with the second heat exchanger;
when the third valve port is communicated with the fifth valve port, the fourth valve port is communicated with the sixth valve port, and when the third valve port is communicated with the sixth valve port, the fifth valve port is communicated with the fourth valve port.
In a possible implementation manner of the present application, the third heat exchanger is disposed at the bottom of the first heat exchanger; and/or; the heat exchange system further comprises a temperature sensor for detecting the temperature of the compressor driving plate, and the temperature sensor is in signal connection with the switch valve.
In one possible implementation manner of the present application, the first heat exchanger is a fin heat exchanger, and the second heat exchanger is a water-side heat exchanger; and/or; the heat exchange system further comprises a restrictor, one end of the restrictor is connected with the heat dissipation refrigerant pipe, and the other end of the restrictor is connected with the first heat exchanger or the second heat exchanger.
In a second aspect, the present application provides a heat pump unit comprising a heat exchange system as defined in any one of the preceding claims.
Through providing a heat exchange system and heat pump set in this application, through setting up compressor, first heat exchanger, second heat exchanger, third heat exchanger, ooff valve and being used for the radiating heat dissipation refrigerant pipe of compressor drive plate, under the refrigeration condition, through the ooff valve control the other end of first heat exchanger with the one end intercommunication of third heat exchanger or with the one end intercommunication of heat dissipation refrigerant pipe corresponds the use of controlling the third heat exchanger under the different environment, under the high temperature refrigeration does work environment, controls the other end of first heat exchanger with the one end intercommunication of third heat exchanger for the high temperature refrigerant that first heat exchanger flows out is flowing through the further back that cools down of third heat exchanger, and further flows through and is used for the radiating heat dissipation refrigerant pipe of compressor drive plate again, and then has realized the heat dissipation to the compressor drive plate, avoids the heat transfer effect of first heat exchanger to reduce under the high temperature environment, and refrigerant temperature is too high, leads to the heat dispersion reduction to the compressor drive plate, and then realizes avoiding compressor drive plate temperature too high, promotes compressor frequency, can control the other end of first heat exchanger and the one end intercommunication of heat dissipation pipe under the environment, does not use the refrigerant heat exchange is avoided the heat exchanger to reduce the heat exchanger more in the normal atmospheric temperature of compressor heat transfer.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a heat exchange system provided in an embodiment of the present application.
In the figure:
1. the heat-radiating air conditioner comprises a compressor, 10, an exhaust port, 11, a return air port, 2, a first heat exchanger, 3, a second heat exchanger, 4, a third heat exchanger, 5, a switch valve, 50, a first valve port, 51, a second valve port, 6, a heat-radiating refrigerant pipe, 7, a compressor driving plate, 8, a multi-way valve, 80, a third valve port, 81, a fourth valve port, 82, a fifth valve port, 83, a sixth valve port, 9, a valve component, 90, a seventh valve port, 91, an eighth valve port, 92, a ninth valve port, 93, a tenth valve port, 94, a first check valve, 95, a second check valve, 96, a third check valve, 97, a fourth check valve, 600, a restrictor, 100 and a gas-liquid separation device.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present 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 indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
As known in the background art, when a compressor driving plate of a heat exchange system is used in a high-temperature environment, the temperature of the compressor driving plate is too high, and the frequency of the compressor is limited.
Therefore, in the application, by providing a heat exchange system and a heat pump unit, under a refrigeration condition, by providing a compressor 1, a first heat exchanger 2, a second heat exchanger 3, a third heat exchanger 4, a switch valve 5 and a heat dissipation refrigerant pipe 6 for dissipating heat of a compressor drive plate 7, the other end of the first heat exchanger 2 is controlled by the switch valve 5 to be communicated with one end of the third heat exchanger 4 or communicated with one end of the heat dissipation refrigerant pipe 6, so as to control the use of the third heat exchanger 4 under different environments, and under a high-temperature refrigeration working environment, the other end of the first heat exchanger 2 is controlled to be communicated with one end of the third heat exchanger 4, so that a high-temperature refrigerant flowing out of the first heat exchanger 2 flows through the heat dissipation refrigerant pipe 6 for dissipating heat of the compressor drive plate 7 after flowing through the third heat exchanger 4 for further cooling, thereby achieving heat dissipation of the compressor drive plate 7, avoiding heat dissipation effect reduction of the first heat exchanger 2 under a high-temperature environment, and preventing the heat dissipation performance of the heat dissipation refrigerant pipe 6 from being too high to be reduced when the heat dissipation refrigerant flows through the third heat exchanger 4, thereby avoiding that the heat exchange performance of the heat exchanger 4 is reduced more flexibly.
Specifically, referring to fig. 1, fig. 1 is an embodiment of a heat exchange system provided in the present application, and the heat exchange system includes: the heat dissipation device comprises a compressor 1, a first heat exchanger 2, a second heat exchanger 3, a third heat exchanger 4, a switch valve 5 and a heat dissipation refrigerant pipe 6 for dissipating heat of a compressor driving plate 7; when the air outlet 10 of the compressor 1 is communicated with one end of the first heat exchanger 2 during refrigeration, the air return port 11 of the compressor 1 is communicated with one end of the second heat exchanger 3, the switch valve 5 is used for controlling the other end of the first heat exchanger 2 to be communicated with one end of the third heat exchanger 4 or communicated with one end of the heat dissipation refrigerant pipe 6, the other end of the third heat exchanger 4 is communicated with one end of the heat dissipation refrigerant pipe 6, and the other end of the heat dissipation refrigerant pipe 6 is communicated with the second heat exchanger 3.
The heat exchange system is generally used for adjusting environmental temperature change and comprises two working conditions of heating and refrigerating, in the refrigerating working condition, the other end of the first heat exchanger 2 is controlled to be communicated with one end of the third heat exchanger 4 or communicated with one end of the heat dissipation refrigerant pipe 6 through the switch valve 5, and the use of the third heat exchanger 4 is controlled under different environments, so that when the high-temperature refrigerating working environment is met, the other end of the first heat exchanger 2 is controlled to be communicated with one end of the third heat exchanger 4, a high-temperature refrigerant flowing out of the first heat exchanger 2 further flows through the heat dissipation refrigerant pipe 6 used for dissipating heat of the compressor driving plate 7 after flowing through the third heat exchanger 4, heat dissipation of the compressor driving plate 7 is achieved, heat dissipation of the compressor driving plate 7 is avoided, the heat exchange effect of the first heat exchanger 2 is prevented from being reduced under the high-temperature environment, the heat dissipation performance of the compressor driving plate 7 is prevented from being too high, the frequency of the compressor 1 is improved, the other end of the first heat exchanger 2 can be controlled to be communicated with one end of the heat dissipation refrigerant pipe 6 under the high-temperature environment, the heat exchange performance of the compressor is prevented from being reduced, and the heat exchanger 4 is prevented from being used for limiting the heat exchange of the heat exchanger 4, and the heat exchanger to be used for preventing the heat exchange of the heat exchanger from being used for limiting the heat exchanger 4 from being used for limiting the heat exchanger to be more flexibly. It can be understood that the high temperature and the normal temperature can be determined according to a preset temperature threshold, where the ambient temperature can be an outdoor ambient temperature or an ambient temperature of air around the compressor drive plate 7, or the temperature of the compressor drive plate 7 itself is the ambient temperature, that is, it can be understood that, under a refrigeration condition, the on-off valve 5 is controlled to be opened and closed by the ambient temperature, in an embodiment of the present application, a temperature sensor is disposed on the compressor drive plate, the temperature sensor is in communication connection with the on-off valve, and the on-off valve 5 is controlled to be opened and closed by the temperature of the compressor drive plate 7.
It can be understood that the first heat exchanger 2 can be a condenser, can be an evaporation fin or a plate heat exchanger, the second heat exchanger 3 can be a condenser, an evaporator, etc., the third heat exchanger 4 can be a coil, an evaporation coil, etc., and this application is not specifically limited.
Specifically, in the embodiment of the present application, the heat dissipation refrigerant pipe 6 is U-shaped, and the compressor drive plate 7 is disposed in the middle of the U-shaped heat dissipation refrigerant pipe 6.
On the basis of the above embodiment, the heat exchange system further includes: when heating, when the exhaust port 10 of the compressor 1 is communicated with one end of the second heat exchanger 3, the return air port 11 of the compressor 1 is communicated with one end of the first heat exchanger 2, the switch valve 5 is used for controlling the other end of the second heat exchanger 3 to be communicated with one end of the third heat exchanger 4 or one end of the heat dissipation refrigerant pipe 6, the other end of the third heat exchanger 4 is communicated with one end of the heat dissipation refrigerant pipe 6, and the other end of the heat dissipation refrigerant pipe 6 is communicated with the first heat exchanger 2.
In the heating working condition, the first heat exchanger 2 plays a condensing role, and it can be understood that when work is done under the low-temperature heating working condition, because the heat exchange area is too small and the temperature difference is too large, the first heat exchanger 2 may be frosted, and the third heat exchanger 4 is arranged to perform auxiliary heat exchange, so that the heat exchange area is increased, and the frosting probability is reduced.
Further, it can be understood that the other end of the second heat exchanger 3 is controlled by the switch valve 5 to be communicated with one end of the third heat exchanger 4 or communicated with one end of the heat dissipation refrigerant pipe 6, and whether the third heat exchanger 4 performs heat exchange work or not is controlled under different environments, so that the flexibility of the third heat exchanger 4 is ensured on the premise of reducing the frosting probability, and the increase of work-doing output is avoided.
Specifically, in this application embodiment, third heat exchanger 4 is located the bottom of first heat exchanger 2, namely, locate fin heat exchanger's bottom, it can be understood that, under the operating mode is heated to low temperature, heat transfer system's evaporimeter fin can have ponding at the heat transfer in-process, and ponding can become the frost layer under low temperature environment in the bottom of first heat exchanger 2 (fin heat exchanger), through will third heat exchanger 4 is located the bottom of first heat exchanger 2 can evaporate steam or melt the frost layer through the heat transfer of third heat exchanger 4, avoids ponding, further prevents to frost.
It can be understood that, in this application embodiment, when the ooff valve 5 is opened, the compressor 1, the first heat exchanger 2, the third heat exchanger 4, the heat dissipation refrigerant pipe 6, the second heat exchanger 3 connect gradually and form the refrigeration refrigerant circuit, the compressor 1, the second heat exchanger 3, the third heat exchanger 4, the heat dissipation refrigerant pipe 6, the first heat exchanger 2 connect gradually and form the heating refrigerant circuit.
Specifically, when a heat exchange system performs a refrigeration and work-doing work, the exhaust port 10 of the compressor 1 is connected to one end of the first heat exchanger 2, at this time, the first heat exchanger 2 performs a condenser function, and is configured to perform heat exchange processing on a high-temperature and high-pressure refrigerant output from the exhaust port 10 of the compressor 1 to change the high-temperature and high-pressure refrigerant into a low-temperature and high-pressure refrigerant, then, since the other end of the first heat exchanger 2 is connected to the first valve port 50 of the switch valve 5 or connected to one end of the third heat exchanger 4, at this time, when the switch valve 5 is opened, the other end of the first heat exchanger 2 is connected to the first valve port 50 of the switch valve 5, at this time, the low-temperature and high-pressure refrigerant output from the first heat exchanger 2 is directly connected to the heat medium pipe through the switch valve 5, radiates heat to the compressor drive board 7, and is then depressurized through a throttling device to change the low-temperature and low-pressure refrigerant, at this time, the third heat exchanger 4 does not perform a further heat radiation or defrosting function on the refrigerant for the first heat exchanger 2, the other end of the heat radiation pipe 6 is connected to the other end of the second heat exchanger 3, the heat exchanger, the refrigerant flows through the heat exchanger 3 to change the high-temperature and returns to the heat exchanger 1, and returns to the heat exchanger 1; it can be understood that, when the switch valve 5 is closed, the other end of the first heat exchanger 2 is connected to one end of the third heat exchanger 4, at this time, the low-temperature high-pressure refrigerant output by the first heat exchanger 2 further flows through the third heat exchanger 4 to further perform refrigerant heat dissipation, then, the refrigerant flowing out of the other end of the third heat exchanger 4 flows to the heat dissipation refrigerant pipe 6 to dissipate heat from the compressor drive plate 7, and then is reduced in pressure by the throttling device to become a low-temperature low-pressure refrigerant, at this time, the third heat exchanger 4 plays a role in further dissipating heat from the refrigerant or defrosting the first heat exchanger 2, the other end of the heat dissipation refrigerant pipe 6 is connected to the other end of the second heat exchanger 3, the refrigerant flows through the heat dissipation refrigerant pipe 6 to the second heat exchanger 3 to further exchange heat, and becomes a high-temperature low-pressure refrigerant, and flows through the return-to-air port 11 of the compressor 1, and returns to the compressor 1 to form a refrigeration refrigerant loop. It can be understood that, when the heat exchange system is in a heating and work-doing working condition, the exhaust port 10 of the compressor 1 is connected to one end of the second heat exchanger 3, at this time, the second heat exchanger 3 functions as a condenser, and is used for performing heat exchange treatment on a high-temperature and high-pressure refrigerant output from the exhaust port 10 of the compressor 1 to change the high-temperature and high-pressure refrigerant into a low-temperature and high-pressure refrigerant, then, because the other end of the second heat exchanger 3 is connected to the first valve port 50 of the switch valve 5 or connected to one end of the third heat exchanger 4, at this time, when the switch valve 5 is opened, the other end of the second heat exchanger 3 is connected to the first valve port 50 of the switch valve 5, at this time, the low-temperature and high-pressure refrigerant output from the second heat exchanger 3 is directly connected to the heat refrigerant pipe through the switch valve 5, radiates heat of the compressor drive plate 7, and then is depressurized through a throttling device to change the refrigerant into a low-temperature and low-pressure refrigerant, at this time, the third heat exchanger 4 does not perform further heat radiation or defrosting function on the first heat exchanger 2, the other end of the heat exchanger 6 is connected to the other end of the first heat exchanger 2, and the high-temperature refrigerant flows through the heat exchanger 1 to change the heat exchanger 1 to the heat exchange refrigerant to return to the compressor 1, and returns to the compressor 1; it can be understood that, when the switch valve 5 is closed, the other end of the second heat exchanger 3 is connected to one end of the third heat exchanger 4, at this time, the low-temperature high-pressure refrigerant output by the second heat exchanger 3 further flows through the third heat exchanger 4 to further perform refrigerant heat dissipation, then, the refrigerant flowing out of the other end of the third heat exchanger 4 flows to the heat dissipation refrigerant pipe 6 to dissipate heat from the compressor drive plate 7, and then is reduced in pressure by the throttling device to become a low-temperature low-pressure refrigerant, at this time, the third heat exchanger 4 plays a role in further dissipating heat from the refrigerant or defrosting the first heat exchanger 2, the other end of the heat dissipation refrigerant pipe 6 is connected to the other end of the first heat exchanger 2, and the refrigerant flows through the heat dissipation refrigerant pipe 6 to the first heat exchanger 2 to further exchange heat and become a high-temperature low-pressure refrigerant, and flows through the return port 11 of the compressor 1, and returns to the compressor 1 to form a heating refrigerant loop.
It can be understood that the opening and closing of the on-off valve 5 can be controlled by the temperature of the compressor driving plate 7 and the selection of whether to defrost or not, for example, when the temperature of the compressor driving plate 7 is detected to be greater than or equal to a preset temperature threshold, the on-off valve 5 is closed, when the temperature of the compressor driving plate 7 is less than the preset temperature threshold, the on-off valve 5 is opened, and if the heat exchange system is in the defrosting mode, the electromagnetic two-way valve is closed; at the moment, the temperature T1 of a capillary tube (a third heat exchanger 4) at the bottom of the fin is judged, and if the temperature T1 is smaller than TN (preset temperature threshold), the electromagnetic two-way valve is kept closed; if T1 is more than or equal to TN, the unit is not in the defrosting state, the temperature T2 of the driving plate is less than TQ-TH, the electromagnetic two-way valve is opened, and otherwise, the two-way valve is kept closed; TN, TQ and TH values are constant values.
It can be understood that in this application embodiment, the other end of radiating heat dissipation refrigerant pipe 6 is connected and is equipped with throttling arrangement, in some other embodiments of this application, throttling arrangement also can connect locate radiating heat dissipation refrigerant pipe 6's one end specifically is used for carrying out the throttle decompression to the refrigerant.
Specifically, in this application embodiment, the ooff valve 5 is the electromagnetism two-way valve, can understand that, in other embodiments of this application, ooff valve 5 can be check valve, two-way valve, three-way valve etc. in this application technical scheme, third heat exchanger 4 is the capillary, that is, can understand that it has certain refrigerant resistance, and when ooff valve 5 was opened, the refrigerant can not flow toward the capillary subassembly that the resistance is big, can directly flow toward ooff valve 5, in some other embodiments of this application, when third heat exchanger 4 is not the capillary, also can correspond third heat exchanger 4's one end with be equipped with ooff valve 5, the control realizes the other end of first heat exchanger 2 with ooff valve 5's first valve port 50 is connected or with third heat exchanger 4's one end is connected.
Further, on the basis of the above embodiment, the heat exchange system further includes: the multi-way valve 8 comprises a third port 80, a fourth port 81, a fifth port 82 and a sixth port 83; the third valve port 80 is connected to the exhaust port 10 of the compressor 1, the fourth valve port 81 is communicated with the return air port 11 of the compressor 1, the fifth valve port 82 is communicated with the first heat exchanger 2, and the sixth valve port 83 is communicated with the second heat exchanger 3; when the third port 80 communicates with the fifth port 82, the fourth port 81 communicates with the sixth port 83, and when the third port 80 communicates with the sixth port 83, the fifth port 82 communicates with the fourth port 81.
Wherein, through setting up the multi-way valve 8 is used for control when compressor 1 corresponds the refrigeration operating mode and heats the operating mode, respectively with first heat exchanger 2 and 3's intercommunication, it is specific, in this application embodiment ability, multi-way valve 8 is the cross valve, can understand that, in other embodiments of this application, multi-way valve 8 also can be five-way valve, six-way valve etc..
Further, on the basis of the above embodiment, the heat exchange system further comprises: a valve assembly 9, wherein the valve assembly 9 comprises a seventh port 90, an eighth port 91, a ninth port 92 and a tenth port 93; the seventh valve port 90 is communicated with the other end of the first heat exchanger 2, the eighth valve port 91 is communicated with the other end of the second heat exchanger 3, the ninth valve port 92 is connected with the first valve port 50 and one end of the third heat exchanger 4, respectively, and the tenth valve port 93 is connected with one end of the heat-dissipating refrigerant pipe 6; when the seventh port 90 communicates with the ninth port 92, the tenth port 93 communicates with the eighth port 91, and when the seventh port 90 communicates with the tenth port 93, the eighth port 91 communicates with the ninth port 92.
When the valve assembly 9 is used for corresponding to a refrigeration working condition and a heating working condition, the refrigerant flowing directions of the first heat exchanger 2, the second heat exchanger 3 and the heat dissipation refrigerant pipe 6 are switched, and it can be understood that the valve assembly 9 can be a multi-way valve 8, a check valve assembly and the like.
Specifically, referring to fig. 1, in the embodiment of the present application, the valve assembly 9 includes a first check valve 94, a second check valve 95, a third check valve 96 and a fourth check valve 97, an output end of the first check valve 94 is connected to the ninth port 92, an input end of the first check valve 94 is connected to the eighth port 91, an output end of the second check valve 95 is connected to the eighth port 91, an input end of the second check valve 95 is connected to the tenth port 93, an output end of the third check valve 96 is connected to the seventh port 90, an input end of the third check valve 96 is connected to the tenth port 93, an output end of the fourth check valve 97 is connected to the ninth port 92, and an input end of the fourth check valve 97 is connected to the seventh port 90.
Specifically, on the basis of the above embodiment, the heat exchange system further includes a gas-liquid separation device 100, the gas-liquid separation device 100 is disposed between the return air port 11 of the compressor 1 and the fourth valve port 81, and the low-temperature and low-pressure refrigerant output by the fourth valve port 81 enters the regasification unit and enters the gas-liquid separator for gas-liquid separation treatment, and then returns to the compressor 1.
In the embodiment of the application, by providing a heat exchange system, through setting a compressor 1, a first heat exchanger 2, a second heat exchanger 3, a third heat exchanger 4, a switch valve 5 and a heat dissipation refrigerant pipe 6 for heat dissipation of a compressor drive plate 7, under a refrigeration condition, the other end of the first heat exchanger 2 is controlled by the switch valve 5 to be communicated with one end of the third heat exchanger 4 or to be communicated with one end of the heat dissipation refrigerant pipe 6, so as to control the use of the third heat exchanger 4 under different environments, and under a high-temperature refrigeration working environment, the other end of the first heat exchanger 2 is controlled to be communicated with one end of the third heat exchanger 4, so that a high-temperature refrigerant flowing out of the first heat exchanger 2 further cools through the third heat exchanger 4, and then further flows through the heat dissipation refrigerant pipe 6 for heat dissipation of the compressor drive plate 7, thereby achieving heat dissipation of the compressor drive plate 7, avoiding heat exchange effect reduction of the first heat exchanger 2 under a high-temperature environment, and refrigerant temperature being too high, resulting in heat dissipation performance reduction of the compressor drive plate 7, further avoiding too high temperature of the compressor drive plate 7, improving frequency of the compressor 1, and controlling the other end of the first heat exchanger 2 and one end of the heat dissipation refrigerant pipe 6 under a normal-temperature environment, and avoiding heat exchange of the heat exchanger 4 to be further reducing the heat of the heat exchanger 4, and avoiding limitation of the heat of the compressor heat exchanger 4, and avoiding the heat exchange system to be used for avoiding heat exchanger 4 to be used for avoiding the heat exchange of the heat exchanger to be flexibly.
Further, on the basis of any one of the above embodiments, the application also provides a heat pump unit, which includes the heat exchange system according to any one of the above embodiments, wherein the heat pump unit can be applied to a heating system and the like.
By providing the heat pump unit, by providing the heat exchange system and the heat pump unit in the application, the compressor 1, the first heat exchanger 2, the second heat exchanger 3, the third heat exchanger 4, the switch valve 5 and the heat dissipation refrigerant pipe 6 for dissipating heat of the compressor drive plate 7 are arranged, under a refrigeration condition, the other end of the first heat exchanger 2 is controlled by the switch valve 5 to be communicated with one end of the third heat exchanger 4 or to be communicated with one end of the heat dissipation refrigerant pipe 6, so as to control the third heat exchanger 4 to be used under different environments, and under a high-temperature refrigeration working environment, the other end of the first heat exchanger 2 is controlled to be communicated with one end of the third heat exchanger 4, so that a high-temperature refrigerant flowing out of the first heat exchanger 2 flows through the heat dissipation refrigerant pipe 6 for dissipating heat of the compressor drive plate 7 after flowing through the third heat exchanger 4 to be further cooled, and then further flows through the heat dissipation refrigerant pipe 6 for dissipating heat of the compressor drive plate 7, thereby achieving heat dissipation of the compressor drive plate 7, avoiding that the heat dissipation effect of the first heat exchanger 2 is reduced, and the heat dissipation refrigerant pipe 6 is too high in the high-temperature environment, thereby avoiding that the heat exchange performance of the heat exchanger 4 is further reduced, and the heat exchanger is prevented from being used by limiting the heat exchange heat exchanger 4.
The heat exchange system and the heat pump unit provided by the embodiment of the present application are introduced in detail, and a specific example is applied in the description to explain the principle and the implementation of the present invention, and the description of the embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A heat exchange system, comprising:
the heat dissipation system comprises a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a switch valve and a heat dissipation refrigerant pipe, wherein the heat dissipation refrigerant pipe is used for dissipating heat for a drive plate of the compressor;
during refrigeration, an exhaust port of the compressor is communicated with one end of the first heat exchanger, a gas return port of the compressor is communicated with one end of the second heat exchanger, the switch valve is used for controlling the other end of the first heat exchanger to be communicated with one end of the third heat exchanger or communicated with one end of the heat dissipation refrigerant pipe, the other end of the third heat exchanger is communicated with one end of the heat dissipation refrigerant pipe, and the other end of the heat dissipation refrigerant pipe is communicated with the second heat exchanger.
2. The heat exchange system of claim 1, further comprising: when heating, the exhaust port of the compressor is communicated with one end of the second heat exchanger, the return air port of the compressor is communicated with one end of the first heat exchanger, the switch valve is used for controlling the other end of the second heat exchanger to be communicated with one end of the third heat exchanger or communicated with one end of the heat dissipation refrigerant pipe, the other end of the third heat exchanger is communicated with one end of the heat dissipation refrigerant pipe, and the other end of the heat dissipation refrigerant pipe is communicated with the first heat exchanger.
3. The heat exchange system of claim 2, wherein the switch valve is an electromagnetic two-way valve and the third heat exchanger is a capillary tube;
during refrigeration, the other end of the first heat exchanger is communicated with the first valve port of the switch valve and one end of the third heat exchanger respectively, and the second valve port of the switch valve is communicated with one end of the heat-radiating refrigerant pipe;
when heating, the other end of the second heat exchanger is communicated with the first valve port of the switch valve and one end of the third heat exchanger respectively, and the second valve port of the switch valve is communicated with one end of the heat dissipation refrigerant pipe.
4. The heat exchange system of claim 3, further comprising: a valve assembly comprising a seventh port, an eighth port, a ninth port, and a tenth port;
the seventh valve port is communicated with the other end of the first heat exchanger, the eighth valve port is communicated with the other end of the second heat exchanger, the ninth valve port is respectively connected with the first valve port and one end of the third heat exchanger, and the tenth valve port is connected with one end of the heat-radiating refrigerant pipe;
when the seventh valve port is communicated with the ninth valve port, the tenth valve port is communicated with the eighth valve port, and when the seventh valve port is communicated with the tenth valve port, the eighth valve port is communicated with the ninth valve port.
5. The heat exchange system of claim 4, wherein the valve assembly comprises a first check valve, a second check valve, a third check valve, and a fourth check valve, wherein an output of the first check valve is connected to the ninth port, an input of the first check valve is connected to the eighth port, an output of the second check valve is connected to the eighth port, an input of the second check valve is connected to the tenth port, an output of the third check valve is connected to the seventh port, an input of the third check valve is connected to the tenth port, an output of the fourth check valve is connected to the ninth port, and an input of the fourth check valve is connected to the seventh port.
6. The heat exchange system of claim 3, wherein when the switch valve is opened, the compressor, the first heat exchanger, the third heat exchanger, the heat dissipation refrigerant pipe, and the second heat exchanger are sequentially connected to form a refrigeration refrigerant circuit, and the compressor, the second heat exchanger, the third heat exchanger, the heat dissipation refrigerant pipe, and the first heat exchanger are sequentially connected to form a heating refrigerant circuit.
7. The heat exchange system of claim 2, further comprising: the multi-way valve comprises a third valve port, a fourth valve port, a fifth valve port and a sixth valve port;
the third valve port is connected with an exhaust port of the compressor, the fourth valve port is communicated with a return air port of the compressor, the fifth valve port is communicated with the first heat exchanger, and the sixth valve port is communicated with the second heat exchanger;
when the third valve port is communicated with the fifth valve port, the fourth valve port is communicated with the sixth valve port, and when the third valve port is communicated with the sixth valve port, the fifth valve port is communicated with the fourth valve port.
8. The heat exchange system of claim 1, wherein the third heat exchanger is disposed at a bottom of the first heat exchanger; and/or; the heat exchange system further comprises a temperature sensor for detecting the temperature of the compressor driving plate, and the temperature sensor is in signal connection with the switch valve.
9. The heat exchange system of claim 1, wherein the first heat exchanger is a finned heat exchanger and the second heat exchanger is a water side heat exchanger; and/or; the heat exchange system further comprises a restrictor, one end of the restrictor is connected with the heat dissipation refrigerant pipe, and the other end of the restrictor is connected with the first heat exchanger or the second heat exchanger.
10. A heat pump unit comprising a heat exchange system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221917627.XU CN218033821U (en) | 2022-07-20 | 2022-07-20 | Heat exchange system and heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221917627.XU CN218033821U (en) | 2022-07-20 | 2022-07-20 | Heat exchange system and heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218033821U true CN218033821U (en) | 2022-12-13 |
Family
ID=84387283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221917627.XU Active CN218033821U (en) | 2022-07-20 | 2022-07-20 | Heat exchange system and heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218033821U (en) |
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2022
- 2022-07-20 CN CN202221917627.XU patent/CN218033821U/en active Active
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