CN212511914U - Heat exchanger device with variable flow - Google Patents
Heat exchanger device with variable flow Download PDFInfo
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- CN212511914U CN212511914U CN202021825940.1U CN202021825940U CN212511914U CN 212511914 U CN212511914 U CN 212511914U CN 202021825940 U CN202021825940 U CN 202021825940U CN 212511914 U CN212511914 U CN 212511914U
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- accommodating space
- thermostat
- valve assembly
- collecting pipe
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Abstract
The utility model provides a heat exchanger device of variable flow, including flat pipe assembly, first temperature-sensing valve subassembly, second temperature-sensing valve subassembly, first pressure manifold and second pressure manifold, first pressure manifold, second pressure manifold set up respectively in the both sides of flat pipe assembly and are linked together through flat pipe subassembly, first temperature-sensing valve subassembly, second temperature-sensing valve subassembly are all installed in first pressure manifold and are separated first pressure manifold and form first accommodation space, second accommodation space, third accommodation space, be provided with fluid inlet and fluid outlet on the first pressure manifold, fluid inlet, fluid outlet link to each other with first accommodation space, third accommodation space respectively, and heat exchanger device can switch between condenser mode and evaporimeter mode. The utility model discloses realize the regulation of circulation direction based on the thermostat, improved the heat transfer effect of heat exchanger greatly, the cost is reduced has improved the practicality of device.
Description
Technical Field
The utility model relates to a new energy automobile heat management field specifically relates to a heat exchanger device of variable flow.
Background
With the development of automobile technology, the occupancy rate of electric automobiles in vehicles is higher and higher, the heat pump air conditioning technology of electric automobiles is also researched and applied more and more, a plurality of electric automobiles at home and abroad are provided with heat pump air conditioning systems, and an external heat exchanger is used as not only a condenser but also an evaporator in the heat pump air conditioning system and is an important component in the heat pump air conditioning system.
At present, when the heat exchanger outside the vehicle adopted by most of electric vehicle heat pump air-conditioning systems is used as a condenser and an evaporator, the flow distribution is consistent, the heat exchange efficiency is greatly reduced, and the effect of the heat pump air-conditioning system is poor. For example, the parallel flow condenser for the heat pump air conditioning system of the electric vehicle mentioned in patent CN108036550A requires four interfaces and additional pipelines to realize the functions of the condenser and the evaporator, and the flow distribution is consistent, thereby increasing the manufacturing cost of the exterior heat exchanger and complicating the pipeline connection of the heat pump air conditioning system.
For another example, patent document CN110793354A discloses a variable flow heat exchanger device suitable for electric vehicles, but the design adopts a bellows and adjusts the flow by pressure, but the bellows needs to be designed separately and installed with certain difficulty; for example, patent document CN108826753A discloses a variable flow path parallel flow heat exchanger, but this design realizes flow path change by manually adjusting a movable mechanism, and is inefficient.
Therefore, there is a need to develop an exterior heat exchanger capable of realizing variable flow distribution of a condenser and an evaporator, which can improve the heat exchange efficiency of the exterior heat exchanger, simplify the pipeline connection of a heat pump air conditioning system, save the cost and improve the heat exchange capacity of the heat pump air conditioning system.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a heat exchanger device of variable flow.
According to the utility model provides a heat exchanger device with variable flow, which comprises a flat pipe assembly, a first temperature control valve assembly, a second temperature control valve assembly, a first collecting pipe and a second collecting pipe;
the first collecting pipe and the second collecting pipe are respectively arranged on two sides of the flat pipe assembly and are communicated through the flat pipe assembly;
the first temperature control valve assembly and the second temperature control valve assembly are both arranged in the first collecting pipe, a first accommodating space is formed between the first temperature control valve assembly and the first collecting pipe, a second accommodating space is formed between the first temperature control valve assembly and the second temperature control valve assembly, and a third accommodating space is formed between the second temperature control valve assembly and the first collecting pipe;
the first collecting pipe is provided with a fluid inlet and a fluid outlet, the fluid inlet is connected with the first accommodating space, and the fluid outlet is connected with the third accommodating space;
the heat exchanger device is switchable between a condenser mode and an evaporator mode.
Preferably, in the condenser mode, the first accommodating space is communicated with the second accommodating space through the first temperature control valve assembly, and the second accommodating space is not communicated with the third accommodating space;
in the evaporator mode, the first accommodation space is not communicated with the second accommodation space, and the second accommodation space is communicated with the third accommodation space through the second temperature-control valve assembly.
Preferably, the first temperature controlled valve assembly comprises a first thermostat, a first side plate and a second side plate;
the first thermostat is installed between the first side plate and the second side plate, wherein a first clearance flow channel is generated between the first side plate and the second side plate in a condenser mode, and the first clearance flow channel between the first side plate and the second side plate is blocked by the first thermostat in an evaporator mode;
the second temperature controlled valve assembly comprises a second thermostat, a third side plate and a fourth side plate;
the second thermostat is installed between the third side plate and the fourth side plate, wherein a second gap flow channel is generated between the third side plate and the fourth side plate in the evaporator mode, and the second gap flow channel between the third side plate and the fourth side plate is blocked by the second thermostat in the condenser mode.
Preferably, a fifth side plate is arranged in the second accommodating space, one end of the fifth side plate is mounted on the inner wall of the first collecting pipe, and a first gap is formed between the other end of the fifth side plate and the flat pipe assembly;
the fifth side plate divides the second accommodating space into a first chamber and a second chamber, and the first chamber is communicated with the second chamber through a first gap.
According to the utility model provides a heat exchanger device with variable flow, which comprises a flat pipe assembly, a third temperature control valve assembly, a fourth temperature control valve assembly, a first collecting pipe, a second collecting pipe and a sixth side plate;
the first collecting pipe and the second collecting pipe are respectively arranged on two sides of the flat pipe assembly and are communicated through the flat pipe assembly;
the third temperature control valve assembly and the sixth edge plate are both arranged in the first collecting pipe, a fourth accommodating space is formed between the sixth edge plate and the first collecting pipe, a fifth accommodating space is formed between the third temperature control valve assembly and the sixth edge plate, and a sixth accommodating space is formed between the third temperature control valve assembly and the first collecting pipe;
the fourth temperature control valve assembly is arranged in the second collecting pipe and divides the second collecting pipe into a seventh accommodating space and an eighth accommodating space;
the first collecting pipe is provided with a fluid inlet and a fluid outlet, the fluid inlet is connected with the fourth accommodating space, and the fluid outlet is connected with the sixth accommodating space;
the heat exchanger device is switchable between a condenser mode and an evaporator mode.
Preferably, in the evaporator mode, the seventh accommodating space communicates with the eighth accommodating space, and the fifth accommodating space communicates with the sixth accommodating space;
in the condenser mode, the seventh accommodating space is not communicated with the eighth accommodating space, and the fifth accommodating space is not communicated with the sixth accommodating space.
Preferably, the third temperature controlled valve assembly includes a second thermostat, a seventh side plate, and an eighth side plate;
the second thermostat is respectively connected with a seventh side plate and an eighth side plate, wherein in a condenser mode, a third gap flow channel generated between the seventh side plate and the eighth side plate is blocked, and in an evaporator mode, a third gap flow channel between the seventh side plate and the eighth side plate is opened;
the fourth temperature control valve component comprises a first thermostat, a ninth side plate and a tenth side plate;
the first thermostat is respectively connected with the ninth side plate and the tenth side plate, a fourth gap flow channel between the ninth side plate and the tenth side plate is opened in the evaporator mode, and the fourth gap flow channel between the ninth side plate and the tenth side plate is blocked by the first thermostat in the condenser mode.
Preferably, the flat tube assembly comprises flat tubes and fins;
the quantity of flat pipe is a plurality of, and is a plurality of flat pipe parallel arrangement, the fin sets up between two adjacent flat pipes.
Preferably, the first thermostat and the second thermostat both adopt separate thermostats;
the separated thermostat comprises a mandril supporting frame, a first spring, a mandril and a push rod, wherein a partition plate is arranged inside the mandril supporting frame, and divides the inside of the mandril supporting frame into a ninth accommodating space and a tenth accommodating space;
the ejector rod supporting frame is provided with a first through hole, the tenth accommodating space is communicated with the outside through the first through hole, the partition plate is provided with a second through hole, and the ninth accommodating space is communicated with the tenth accommodating space through the second through hole;
be provided with ejector pin bulge and third through-hole on the ejector pin, first spring suit is on the ejector pin and set up between ejector pin bulge and ejector pin support frame, the inside of ejector pin is provided with and holds the cavity, it passes through third through-hole and outside intercommunication to hold the cavity, the one end that is provided with the third through-hole on the ejector pin is installed in tenth accommodation space, wherein, the one end of push rod is installed in holding the cavity and with ejector pin clearance fit, the other end of push rod passes third through-hole, second through-hole and extends to in the ninth accommodation space and be connected with the ejector pin support frame, the other end of ejector pin passes first through-hole and extends to the outside of ejector pin support frame.
Preferably, a rubber tube and paraffin are further arranged in the accommodating cavity, the rubber tube is wrapped at one end of the push rod, which is arranged in the accommodating space, and paraffin is filled between the rubber tube and the inner wall of the push rod;
and a sealing plate is arranged at one end of the ejector rod extending to the outside of the ejector rod supporting frame.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses an adopt two thermostats and a plurality of sideboard to realize the overall arrangement of refrigerant flow in the flat pipe assembly to realized the regulation of thermostat circulation direction and then realized the transform of refrigerant flow based on the thermostat, improved the heat transfer effect as condenser and evaporimeter greatly, improved the practicality of device.
2. The utility model discloses well heat exchanger advances one and goes out, no matter be as the condenser or as the evaporimeter, the import is the import all the time, and the export is the export all the time, has reduced interface quantity, has simplified the complexity of the connection of pipeline, has reduced the cost of manufacture, simple structure, convenient operation.
3. The utility model discloses in the inner structure through the thermostat set up and realize the variable flow function, solved among the prior art through the operation of electronic or pneumatic control variable flow, practice thrift the energy consumption, scientific and reasonable.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view showing a flow path of a refrigerant used as a condenser in embodiment 1 of the present invention;
FIG. 3 is a schematic view showing a flow path of a refrigerant when used as an evaporator in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 5 is a schematic view of a refrigerant flow path when used as a condenser in embodiment 2 of the present invention;
fig. 6 is a schematic view of a flow path of a refrigerant when used as an evaporator in embodiment 2 of the present invention;
FIG. 7 is a schematic structural view of a split thermostat of the first thermostatic valve assembly of embodiment 1 in an evaporator mode;
FIG. 8 is a schematic structural view of a split thermostat of the first thermostatic valve assembly of embodiment 1 in a condenser mode;
FIG. 9 is a schematic structural view of a split thermostat of the second thermostatic valve assembly of embodiment 1 in an evaporator mode;
fig. 10 is a schematic structural view of a split thermostat of the second thermostat assembly of embodiment 1 in a condenser mode.
The figures show that:
eighth receiving space 30 for sixth side plate 15 of first thermostat 2
Eighth edge plate 17 first spring 32 of fluid inlet 4
Push rod 35 of first accommodating space 22 of second collecting pipe 7
Fourth receiving space 26 and ninth receiving space 39 of second sideboard 11
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1:
the utility model provides a heat exchanger device with variable flow, as shown in fig. 1-3, comprising a flat pipe assembly, a first temperature control valve assembly, a second temperature control valve assembly, a first collecting pipe 6 and a second collecting pipe 7, wherein the first collecting pipe 6 and the second collecting pipe 7 are respectively arranged at two sides of the flat pipe assembly and are communicated with each other through the flat pipe assembly, the first temperature control valve assembly and the second temperature control valve assembly are both arranged in the first collecting pipe 6, a first containing space 22 is formed between the first temperature control valve assembly and the first collecting pipe 6, a second containing space 23 is formed between the first temperature control valve assembly and the second temperature control valve assembly, a third containing space 24 is formed between the second temperature control valve assembly and the first collecting pipe 6, a fluid inlet 4 and a fluid outlet 5 are arranged on the first collecting pipe 6, the fluid inlet 4 is connected with the first containing space 22, the fluid outlet 5 is connected to the third receiving space 24.
The heat exchanger device in the present embodiment can switch between a condenser mode in which the first accommodation space 22 communicates with the second accommodation space 23 through the first temperature control valve assembly and an evaporator mode in which the second accommodation space 23 does not communicate with the third accommodation space 24, according to the difference in refrigerant temperature. Specifically, after a high-temperature and high-pressure refrigerant (for example, greater than 25 ℃) flows into the first accommodating space 22 through the fluid inlet 4, a part of the refrigerant flows into the second collecting pipe 7 through the flat pipe assembly, another part of the refrigerant flows into the second accommodating space 23 through the first temperature control valve assembly and then flows into the second collecting pipe 7 through the flat pipe assembly, the number of first-flow flat pipes (flat pipes above the fourth plate 13) through which the refrigerant gas flows is large, the refrigerant after heat release from the first flow flows into the second collecting pipe 7, and flows into the third accommodating space 24 through a second flow (flat pipes below the fourth plate 13) in the flat pipe assembly, at this time, the refrigerant encountered by the second thermostat 3 is still a refrigerant with a high temperature, and the refrigerant in the third accommodating space 24 completes the flow of the refrigerant and flows out from the fluid outlet 5.
It should be noted that even if the opening and closing of the second thermostat 3 is delayed, the heat exchanger is always in flow communication, and there is no problem that the heat exchanger does not work.
In the evaporator mode, the first accommodation space 22 is not communicated with the second accommodation space 23, and the second accommodation space 23 is communicated with the third accommodation space 24 through the second thermostatic valve assembly. A low-temperature refrigerant (e.g. less than 15 ℃) flows into the first accommodating space 22 through the fluid inlet 4, then absorbs heat through a first flow (a flat pipe above the second sideboard 11) with a small number of flat pipes on the flat pipe assembly, and then flows into the second collecting pipe 7, wherein the refrigerant flowing into the second collecting pipe 7 finally enters the third accommodating space 24 through a second flow, wherein a part of the refrigerant in the second collecting pipe 7 flows into the second accommodating space 23 through the flat pipe assembly, then flows into the third accommodating space 24 through the second temperature control valve assembly, and then flows out from the fluid outlet 5, and the other part of the refrigerant directly flows into the third accommodating space 24 through the flat pipe assembly and flows out from the fluid outlet 5.
Further, the first thermostat assembly includes a first thermostat 2, a first side plate 10, and a second side plate 11, and the first thermostat 2 is installed between the first side plate 10 and the second side plate 11, wherein the first thermostat 2 operates in a condenser mode, a sealing plate 38 is separated from the first side plate 10 and the second side plate 11, respectively, as shown in fig. 8, a first gap flow path is generated between the first side plate 10 and the second side plate 11, and in an evaporator mode, the first thermostat 2 operates, the sealing plate 38 is in sealing contact with the first side plate 10 and the second side plate 11, respectively, and the first gap flow path between the first side plate 10 and the second side plate 11 is blocked by the sealing plate 38 on the first thermostat 2, as shown in fig. 7.
Specifically, the second thermostat assembly includes a second thermostat 3, a third side plate 12, and a fourth side plate 13; the second thermostat 3 is installed between the third side plate 12 and the fourth side plate 13, wherein the second thermostat 3 operates in the evaporator mode, as shown in fig. 9, the sealing plate 38 is separated from the third side plate 12 and the fourth side plate 13, respectively, and a second gap flow path is created between the third side plate 12 and the fourth side plate 13; in the condenser mode, the second thermostat 3 operates, and as shown in fig. 10, the sealing plate 38 seals the base with the third and fourth side plates 12 and 13, respectively, and the second gap flow path between the third and fourth side plates 12 and 13 is blocked by the sealing plate 38 on the second thermostat 3.
Further, in a preferred embodiment, as shown in fig. 10, a second spring 42 is further sleeved on one end of the middle ejector rod 33 extending to the outside of the ejector rod support frame 31, the sealing plate 38 is connected with the second spring 42, when the sealing plate 38 contacts the third side plate 12 and the fourth side plate 13 following the movement of the ejector rod 33, the second spring 42 is compressed and shortened, and the elastic force of the second spring 42 presses the sealing plate 38 tightly against the third side plate 12 and the fourth side plate 13 to realize sealing.
When needs explain, sealing plate 38 both can with the spring cooperation for ejector pin 33 slidable, as shown in fig. 9, fig. 10, can fix sealing plate 38 at the tip of ejector pin 33 again, as shown in fig. 7, fig. 8, all can realize the utility model provides a function, should be according to actual reasonable selection during specific design to satisfy actual demand.
The utility model discloses in the time of as the condenser import refrigerant be high temperature gas, import refrigerant be the coexistence state of low temperature gas-liquid two-phase when as the evaporimeter, realize the flow distribution that the first flow is many and the second flow is few when as the condenser; when the condenser is used, the inlet is gas, and the required volume is large; the outlet is liquid, so that the required volume is small; when the evaporator is used, the flow distribution with less first flow and more second flow is realized, and when the evaporator is used, the inlet is mainly liquid, so that the required volume is small; the outlet is mainly gas, the required volume is large, and the heat exchange efficiency is improved through the conversion of the flow.
Specifically, first thermostat 2, second thermostat 3 all adopt the disconnect-type thermostat, the disconnect-type thermostat includes ejector pin support frame 31, first spring 32, ejector pin 33 and push rod 35, as shown in fig. 7, the inside of ejector pin support frame 31 is provided with baffle 40, baffle 40 is split into ninth accommodation space 39 and tenth accommodation space 41 with the inside of ejector pin support frame 31, be provided with first through-hole on the ejector pin support frame 31, tenth accommodation space 41 is through first through-hole and outside intercommunication, be provided with the second through-hole on the baffle 40, ninth accommodation space 39 and tenth accommodation space 41 are through the second through-hole intercommunication.
Further, as shown in fig. 7, be provided with ejector pin bulge 37 and third through-hole on the ejector pin 33, ejector pin bulge 37 is close to baffle 40 and arranges, first spring 32 suit is on ejector pin 33 and set up between ejector pin bulge 37 and ejector pin support frame 31, the inside of ejector pin 33 is provided with holds the cavity, hold the cavity and communicate with the outside through the third through-hole, the one end that is provided with the third through-hole on the ejector pin 33 is installed in tenth accommodation space 41, the other end of ejector pin 33 passes first through-hole and extends to the outside of ejector pin support frame 31, wherein, the one end of push rod 35 is installed in holding the cavity and with ejector pin 33 clearance fit, the other end of push rod 35 passes third through-hole, the second through-hole extends to in ninth accommodation space 39 and is connected with ejector pin support frame 31.
Specifically, as shown in fig. 7, a rubber tube 34 and paraffin 36 are further arranged in the accommodating chamber, the rubber tube 34 is wrapped at one end of the push rod 35, which is arranged in the accommodating space, paraffin 36 is filled between the rubber tube 34 and the inner wall of the push rod 33, and when the push rod 33 is discharged in a low-temperature or high-temperature environment, the paraffin 36 undergoes a phase change to realize a volume change. The end of the top bar 33 extending to the outside of the top bar support frame 31 is provided with a sealing plate 38, and the sealing plate 38 can be in sealing contact with or separated from each side plate to realize the change of the refrigerant flow.
Further, when the temperature rises, the paraffin 36 in the accommodating chamber is melted by the high-temperature and high-pressure refrigerant gas, and then the volume is increased, because the push rod 35 is fixedly connected with the push rod support frame 31, the push rod 33 moves towards the direction far away from the push rod 35 under the driving of the expansion force of the paraffin 36, at the moment, the sealing plate 38 moves towards or away from the side plate, and the first spring 32 is compressed and shortened due to the pressure of the push rod protruding part 37; when the temperature is reduced, the paraffin 36 is affected by the temperature, the volume is reduced, a gap is generated between the rubber tube 34 and the paraffin 36, the ejector rod 33 is driven to move close to the push rod 35 under the action of the resilience force of the first spring 32, the sealing plate 38 moves away from or close to the side plate, and the first spring 32 is lengthened.
Specifically, a fifth side plate 14 is arranged in the second accommodating space 23, one end of the fifth side plate 14 is installed on the inner wall of the first header 6, a first gap 25 is arranged between the other end of the fifth side plate 14 and the flat pipe assembly, the fifth side plate 14 divides the second accommodating space 23 into a first cavity and a second cavity, and the first cavity is communicated with the second cavity through the first gap 25.
Specifically, flat tube subassembly includes flat pipe 8 and fin 9, the quantity of flat pipe 8 is a plurality of, and is a plurality of flat pipe 8 parallel arrangement, fin 9 sets up between two adjacent flat pipe 8, and fin 9 has increased the area of contact with the air, has strengthened the heat transfer effect.
Example 2:
the present embodiment can be regarded as a variation of embodiment 1, and the present invention provides a heat exchanger apparatus with a variable flow path, as shown in fig. 4 to 6, including a flat pipe assembly, a third temperature control valve assembly, a fourth temperature control valve assembly, a first collecting pipe 6, a second collecting pipe 7, and a sixth edge plate 15, where the first collecting pipe 6 and the second collecting pipe 7 are respectively disposed at two sides of the flat pipe assembly and are communicated with each other through the flat pipe assembly; the third temperature control valve assembly and the sixth plate 15 are both installed in the first header 6, a fourth accommodating space 26 is formed between the sixth plate 15 and the first header 6, a fifth accommodating space 27 is formed between the third temperature control valve assembly and the sixth plate 15, and a sixth accommodating space 28 is formed between the third temperature control valve assembly and the first header 6; the fourth temperature control valve assembly is installed in the second collecting pipe 7, and divides the second collecting pipe 7 into a seventh accommodating space 29 and an eighth accommodating space 30; the first collecting pipe 6 is provided with a fluid inlet 4 and a fluid outlet 5, the fluid inlet 4 is connected with the fourth accommodating space 26, and the fluid outlet 5 is connected with the sixth accommodating space 28.
The heat exchanger device in this embodiment can be switched between a condenser mode and an evaporator mode according to the difference in refrigerant temperature, in the condenser mode, the seventh accommodating space 29 is not communicated with the eighth accommodating space 30, the fifth accommodating space 27 is not communicated with the sixth accommodating space 28, the refrigerant flows into the fourth accommodating space 26 through the fluid inlet 4, flows into the seventh accommodating space 29 through the flat tube assembly, flows into the fifth accommodating space 27 through the flat tube assembly, flows into the eighth accommodating space 30 through the flat tube assembly, flows into the sixth accommodating space 28 through the flat tube assembly, and flows out through the fluid outlet 5.
In the evaporator mode, the seventh accommodating space 29 is communicated with the eighth accommodating space 30, the fifth accommodating space 27 is communicated with the sixth accommodating space 28, the refrigerant flows into the fourth accommodating space 26 through the fluid inlet 4 and flows into the seventh accommodating space 29 through the flat tube assembly, and a part of the refrigerant flowing into the seventh accommodating space 29 flows into the fifth accommodating space 27 through the flat tube assembly, flows into the sixth accommodating space 28 through the third thermostatic valve assembly and flows out through the fluid outlet 5; another part flows into the eighth receiving space 30 through the fourth temperature controlled valve assembly, flows into the sixth receiving space 28 through the flat tube assembly, and flows out through the fluid outlet 5.
Specifically, the third temperature controlled valve assembly includes the second thermostat 3, a seventh side plate 16, and an eighth side plate 17; the second thermostat 3 is connected with the seventh and eighth side plates 16 and 17, respectively, wherein the sealing plate 38 in the second thermostat 3 operates in the condenser mode to block a third gap flow channel between the seventh and eighth side plates 16 and 17, and the sealing plate 38 in the second thermostat 3 operates in the evaporator mode to open the third gap flow channel between the seventh and eighth side plates 16 and 17; the fourth temperature controlled valve assembly comprises a first thermostat 2, a ninth side plate 18 and a tenth side plate 19; the first thermostat 2 is connected to the ninth and tenth side plates 18 and 19, respectively, and the sealing plate 38 in the first thermostat 2 operates in the evaporator mode, the fourth gap flow path between the ninth and tenth side plates 18 and 19 is opened, and the sealing plate 38 in the first thermostat 2 operates in the condenser mode, and the fourth gap flow path between the ninth and tenth side plates 18 and 19 is blocked by the first thermostat 2.
The utility model discloses a variable flow concurrent flow heat exchanger purpose is applicable to the air conditioner during operation change operating mode to make heat exchanger efficiency all reach the optimum under the change operating mode, adopt the change flow to optimize the distribution of refrigerant, reduce the flow path that the refrigerant heat exchange efficiency is low at flat intraductal, thereby the whole area of heat exchanger is utilized to the highest efficiency, has reached the purpose that promotes the heat exchanger performance.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The variable-flow heat exchanger device is characterized by comprising a flat pipe assembly, a first temperature control valve assembly, a second temperature control valve assembly, a first collecting pipe (6) and a second collecting pipe (7);
the first collecting pipe (6) and the second collecting pipe (7) are respectively arranged on two sides of the flat pipe assembly and are communicated through the flat pipe assembly;
the first temperature control valve assembly and the second temperature control valve assembly are both arranged in the first collecting pipe (6), a first containing space (22) is formed between the first temperature control valve assembly and the first collecting pipe (6), a second containing space (23) is formed between the first temperature control valve assembly and the second temperature control valve assembly, and a third containing space (24) is formed between the second temperature control valve assembly and the first collecting pipe (6);
the first collecting pipe (6) is provided with a fluid inlet (4) and a fluid outlet (5), the fluid inlet (4) is connected with the first accommodating space (22), and the fluid outlet (5) is connected with the third accommodating space (24);
the heat exchanger device is switchable between a condenser mode and an evaporator mode.
2. The variable flow heat exchanger device according to claim 1, wherein in the condenser mode, the first receiving space (22) is in communication with the second receiving space (23) through the first thermostatic valve assembly, the second receiving space (23) is not in communication with the third receiving space (24);
in the evaporator mode, the first accommodation space (22) is not communicated with the second accommodation space (23), and the second accommodation space (23) is communicated with the third accommodation space (24) through the second thermostatic valve assembly.
3. The variable-flow heat exchanger device of claim 1, wherein the first thermostatic valve assembly comprises a first thermostat (2), a first side plate (10) and a second side plate (11);
the first thermostat (2) is installed between the first side plate (10) and the second side plate (11), wherein, in a condenser mode, a first clearance flow channel is generated between the first side plate (10) and the second side plate (11), and in an evaporator mode, the first clearance flow channel between the first side plate (10) and the second side plate (11) is blocked by the first thermostat (2);
the second temperature control valve component comprises a second thermostat (3), a third side plate (12) and a fourth side plate (13);
the second thermostat (3) is arranged between the third side plate (12) and the fourth side plate (13), wherein in the evaporator mode a second gap flow channel is formed between the third side plate (12) and the fourth side plate (13), and in the condenser mode the second gap flow channel between the third side plate (12) and the fourth side plate (13) is blocked by the second thermostat (3).
4. The variable flow heat exchanger device according to claim 1, wherein a fifth side plate (14) is disposed in the second accommodating space (23), one end of the fifth side plate (14) is mounted on the inner wall of the first header (6), and a first gap (25) is disposed between the other end of the fifth side plate (14) and the flat pipe assembly;
the fifth side plate (14) divides the second accommodation space (23) into a first chamber and a second chamber, and the first chamber is communicated with the second chamber through a first gap (25).
5. The variable-flow heat exchanger device is characterized by comprising a flat pipe assembly, a third temperature control valve assembly, a fourth temperature control valve assembly, a first collecting pipe (6), a second collecting pipe (7) and a sixth side plate (15);
the first collecting pipe (6) and the second collecting pipe (7) are respectively arranged on two sides of the flat pipe assembly and are communicated through the flat pipe assembly;
the third temperature control valve assembly and the sixth side plate (15) are both arranged in the first collecting pipe (6), a fourth accommodating space (26) is formed between the sixth side plate (15) and the first collecting pipe (6), a fifth accommodating space (27) is formed between the third temperature control valve assembly and the sixth side plate (15), and a sixth accommodating space (28) is formed between the third temperature control valve assembly and the first collecting pipe (6);
the fourth temperature control valve assembly is arranged in the second collecting pipe (7), and divides the second collecting pipe (7) into a seventh accommodating space (29) and an eighth accommodating space (30);
the first collecting pipe (6) is provided with a fluid inlet (4) and a fluid outlet (5), the fluid inlet (4) is connected with a fourth accommodating space (26), and the fluid outlet (5) is connected with a sixth accommodating space (28);
the heat exchanger device is switchable between a condenser mode and an evaporator mode.
6. The variable flow heat exchanger device according to claim 5, wherein in the condenser mode, in the evaporator mode, the seventh containing space (29) communicates with an eighth containing space (30), and the fifth containing space (27) communicates with a sixth containing space (28);
in the condenser mode, the seventh accommodating space (29) is not communicated with the eighth accommodating space (30), and the fifth accommodating space (27) is not communicated with the sixth accommodating space (28).
7. The variable-flow heat exchanger device of claim 5, wherein the third thermostatic valve assembly comprises a second thermostat (3), a seventh side plate (16) and an eighth side plate (17);
the second thermostat (3) is respectively connected with a seventh side plate (16) and an eighth side plate (17), wherein in a condenser mode, a third gap flow channel generated between the seventh side plate (16) and the eighth side plate (17) is blocked, and in an evaporator mode, a third gap flow channel between the seventh side plate (16) and the eighth side plate (17) is opened;
the fourth temperature control valve component comprises a first thermostat (2), a ninth side plate (18) and a tenth side plate (19);
the first thermostat (2) is respectively connected with a ninth side plate (18) and a tenth side plate (19), a fourth gap flow channel between the ninth side plate (18) and the tenth side plate (19) is opened in an evaporator mode, and the fourth gap flow channel between the ninth side plate (18) and the tenth side plate (19) is blocked by the first thermostat (2) in a condenser mode.
8. The variable-flow heat exchanger device according to claim 1 or claim 5, wherein the flat tube assembly comprises flat tubes (8) and fins (9);
the quantity of flat pipe (8) is a plurality of, and is a plurality of flat pipe (8) parallel arrangement, fin (9) set up between two adjacent flat pipe (8).
9. The variable-flow heat exchanger device according to claim 3 or claim 7, characterized in that the first thermostat (2) and the second thermostat (3) are both separate thermostats;
the separated thermostat comprises a push rod support frame (31), a first spring (32), a push rod (33) and a push rod (35), wherein a partition plate (40) is arranged inside the push rod support frame (31), and the partition plate (40) divides the inside of the push rod support frame (31) into a ninth accommodating space (39) and a tenth accommodating space (41);
the ejector rod support frame (31) is provided with a first through hole, the tenth accommodating space (41) is communicated with the outside through the first through hole, the partition plate (40) is provided with a second through hole, and the ninth accommodating space (39) is communicated with the tenth accommodating space (41) through the second through hole;
be provided with ejector pin bulge (37) and third through-hole on ejector pin (33), first spring (32) suit is on ejector pin (33) and set up between ejector pin bulge (37) and ejector pin support frame (31), the inside of ejector pin (33) is provided with holds the cavity, it communicates with the outside through the third through-hole to hold the cavity, the one end that is provided with the third through-hole on ejector pin (33) is installed in tenth accommodation space (41), wherein, the one end of push rod (35) is installed in holding the cavity and with ejector pin (33) clearance fit, the other end of push rod (35) passes third through-hole, second through-hole and extends to in ninth accommodation space (39) and is connected with ejector pin support frame (31), the other end of ejector pin (33) passes first through-hole and extends to the outside of ejector pin support frame (31).
10. The variable flow heat exchanger device according to claim 9, wherein a rubber tube (34) and paraffin (36) are further arranged in the accommodating chamber, the rubber tube (34) is wrapped at one end of the push rod (35) arranged in the accommodating space, and paraffin (36) is filled between the rubber tube (34) and the inner wall of the push rod (33);
and a sealing plate (38) is arranged at one end of the ejector rod (33) extending to the outside of the ejector rod supporting frame (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021825940.1U CN212511914U (en) | 2020-08-27 | 2020-08-27 | Heat exchanger device with variable flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021825940.1U CN212511914U (en) | 2020-08-27 | 2020-08-27 | Heat exchanger device with variable flow |
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| Publication Number | Publication Date |
|---|---|
| CN212511914U true CN212511914U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021825940.1U Active CN212511914U (en) | 2020-08-27 | 2020-08-27 | Heat exchanger device with variable flow |
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| Country | Link |
|---|---|
| CN (1) | CN212511914U (en) |
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2020
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