CN220981621U - Air-cooled heat pump unit and condenser thereof - Google Patents
Air-cooled heat pump unit and condenser thereof Download PDFInfo
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- CN220981621U CN220981621U CN202323010706.XU CN202323010706U CN220981621U CN 220981621 U CN220981621 U CN 220981621U CN 202323010706 U CN202323010706 U CN 202323010706U CN 220981621 U CN220981621 U CN 220981621U
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- 238000005192 partition Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Abstract
The utility model discloses an air-cooled heat pump unit and a condenser thereof, wherein the condenser of the air-cooled heat pump unit comprises a shell; more than one fan port is formed in the top of the shell, fans are arranged in the fan ports, and the fans share a wind system; a partition board is arranged between every two adjacent fans, and each partition board is arranged in the shell to divide the interior of the shell into a plurality of air chambers; and each baffle plate is provided with a vent. The utility model can avoid the problem that the high-pressure fluctuation of the refrigerating system is large and the air-cooled heat pump unit cannot stably operate due to frequent regulation of the rotating speed of the fan when the environmental temperature is too low.
Description
Technical Field
The utility model relates to an air-cooled heat pump unit and a condenser thereof, and belongs to the technical field of condensers.
Background
In the refrigeration mode, the air side heat exchanger of the air-cooled heat pump unit plays a role of a condenser, and the high-pressure high-temperature refrigerant in the heat exchanger radiates and condenses to the air.
At present, an air-cooled heat pump unit adopting a double-fan shared air system is an annual refrigeration air-cooled heat pump unit with a middle partition plate. Gao Huanwen when refrigerating: the air temperature is higher, and the required air quantity is large, so that two fans are started to meet the air quantity required by heat exchange. And (3) during low-temperature refrigeration: the air temperature is low and the required air volume is small, so one fan is turned off and the other fan is turned down to reduce the air volume for heat exchange.
When the environment temperature is too low and the air-cooled heat pump unit runs at the lowest rotating speed of a single fan, the low-temperature air quantity is sensitive to the influence of a condenser, the rotating speed of the fan needs to be frequently regulated, so that the high-pressure fluctuation of a refrigerating system is large, and the air-cooled heat pump unit cannot stably run.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides an air-cooled heat pump unit and a condenser thereof, which can avoid the problem that the air-cooled heat pump unit cannot stably operate due to large high-pressure fluctuation of a refrigerating system caused by frequent regulation of the rotating speed of a fan when the environmental temperature is too low.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
in one aspect, the utility model provides an air-cooled heat pump unit and a condenser thereof, comprising a shell;
more than one fan opening is formed in the top of the shell, and a fan is arranged in each fan opening;
A partition board is arranged between every two adjacent fans, and each partition board is arranged in the shell to divide the interior of the shell into a plurality of air chambers;
and each baffle plate is provided with a vent.
Further, the requirements of the cross-sectional area of the vent are as follows:
Wherein A is the cross-sectional area of the ventilation opening, the unit is square meter, C is the flow coefficient of the ventilation opening, L is the air quantity of the ventilation opening, the unit is m 3/h, P is the static pressure in the fan, the unit is Pa, ρ is the air density, and the unit is kg/m 3.
Further, the flow coefficient of the vent is 1.
Further, the casing is of hexahedral structure.
Further, each fan port is sequentially arranged at the top of the shell;
the outer periphery of each baffle is connected with the inner wall of the shell.
Further, the first group of side walls of the shell are two heat exchangers which are oppositely arranged.
Further, the second group of side walls of the shell are two opposite wind shields.
Further, the bottom of the shell is a water receiving disc.
Further, each fan shares a wind system.
In another aspect, the present utility model provides an air-cooled heat pump unit, including a condenser;
The condenser is the condenser of the air-cooled heat pump unit. Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the ventilation opening of the air volume bypass structure is added on the partition plate of the heat exchange, when the quantity of running fans of the condenser is reduced, the air volume flowing out of the ventilation opening does not participate in external heat exchange of the heat exchanger when the air volume of the fan opening of the shell flows into other partitions through the ventilation opening, so that the heat exchange quantity of the condenser under the low-temperature environment refrigeration working condition can be effectively weakened, the fan rotating speed is not required to be frequently regulated when the air-cooled heat pump unit is under the low-temperature environment refrigeration working condition, the high-pressure stability of the refrigeration system is ensured, the stable running of the air-cooled heat pump unit is further ensured, and the service lives of the fan, the condenser and the unit can be prolonged.
Drawings
FIG. 1 (a) is a schematic structural diagram of an embodiment of a condenser of an air-cooled heat pump assembly according to the present utility model;
FIG. 1 (b) is a front view of an embodiment of a condenser of the novel air-cooled heat pump assembly of the present utility model;
FIG. 2 (a) is a front view of an embodiment of a condenser of the novel air-cooled heat pump assembly of the present utility model;
FIG. 2 (b) is a cross-sectional view of an embodiment of a condenser of the novel air-cooled heat pump assembly of the present utility model;
FIG. 3 is an exploded view of one embodiment of a condenser of the air-cooled heat pump assembly of the present utility model;
FIG. 4 is a schematic view showing the structure of one embodiment of the separator of the present utility model;
FIG. 5 is a graph illustrating one embodiment of fan speed when a conventional air-cooled heat pump unit is operating in a low temperature environment;
FIG. 6 is a graph illustrating one embodiment of fan speed when the air-cooled heat pump assembly of the present utility model is operating in a low temperature environment;
In the figure: 1. the fan comprises a shell, 11, a fan opening, 2, a fan, 3, a partition plate, 31, a ventilation opening, 4, a heat exchanger, 5, a wind shield, 6, a water receiving disc, 7 and a supporting piece.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Example 1
The embodiment introduces a condenser of an air-cooled heat pump unit.
The condenser of the air-cooled heat pump unit of the present embodiment includes a casing 1, referring to fig. 1 and 3.
In this embodiment, the top of the casing 1 is provided with more than one fan port 11, and each fan port 11 is provided with a fan 2, referring to fig. 1 and 3.
In this embodiment, a partition plate 3 is disposed between adjacent fans 2, referring to fig. 2, each partition plate 3 is installed in the casing 1, and divides the interior of the casing 1 into a plurality of air chambers, referring to fig. 1 and 3.
In this embodiment, the partition plates 3 are provided with ventilation openings 31, see fig. 4 and 3.
According to the utility model, the air quantity bypass structure ventilation opening 31 is added on the heat exchange partition plate 3, when the quantity of the running fans is reduced by the condenser, the air quantity of the running fans flows into other partitions through the ventilation opening 31, the air quantity of the ventilation opening is not involved in heat exchange of the heat exchanger, and the heat exchange quantity of the condenser under the low-temperature environment refrigeration working condition can be effectively weakened, so that the fan rotating speed of the air-cooled heat pump unit is not required to be frequently regulated under the low-environment temperature refrigeration working condition, the high-pressure stability of the refrigeration system is ensured, the stable running of the air-cooled heat pump unit is further ensured, and the service lives of the fan 2, the condenser and the unit can be prolonged.
Example 2
On the basis of the embodiment 1, the embodiment describes a condenser of an air-cooled heat pump unit in detail.
The requirements of the cross-sectional area of the vent 31 of this embodiment are as follows:
Wherein A is the cross-sectional area of the ventilation opening 31, the unit is square meters, C is the flow coefficient of the ventilation opening 31, L is the air quantity of the ventilation opening 31, the unit is m3/h, P is the static pressure in the fan, the unit is Pa, and ρ is the air density, and the unit is kg/m 3.
In use, the flow coefficient C of the vent 31 is 1.
The casing 1 of the present embodiment has a hexahedral structure, and reference is made to fig. 1.
In application, the first set of side walls of the casing 1 is two heat exchangers 4 arranged oppositely, refer to fig. 3, and the second set of side walls of the casing 1 is two wind shields 5 arranged oppositely, refer to fig. 3.
In this embodiment, each fan port 11 is sequentially formed at the top of the casing 1, referring to fig. 1, and the bottom of the casing 1 is a water pan 6, referring to fig. 3.
The outer peripheral portion of each partition plate 3 of this embodiment is connected to the inner wall of the casing 1, referring to fig. 1.
In this embodiment, the fans 2 share a wind system.
Example 3
On the basis of embodiment 1 or embodiment 2, the embodiment describes in detail a condenser of an air-cooled heat pump unit.
The condenser of the air-cooled heat pump unit of this embodiment includes: fan assembly, frame subassembly, wind shielding subassembly, heat exchange subassembly, water collector 6 and baffle 3.
Wherein: the fan assembly comprises a plurality of fans 2; the frame component is a shell 1 with a hexagonal shell; the heat exchange assembly is provided with two heat exchangers 4 which are oppositely arranged; the wind deflector assembly is two oppositely arranged wind deflectors 5.
In use, the heat exchange assembly is used as a first set of side walls of the frame assembly, the wind shielding assembly is used as a second set of side walls of the frame assembly, and the water pan 6 is used as the bottom of the frame assembly, as shown in fig. 3.
The fan assembly is fixed at the top of the frame assembly; the heat exchange assembly and the wind shielding assembly are connected in a staggered way to form the side wall of the frame assembly; the water receiving disc 6 is arranged at the bottoms of the heat exchange component and the wind shielding component to form the bottom of the frame component; the partition plate 3 is fixed on the support 7 and the water receiving tray 6.
Wherein, support piece 7 upper end is installed on casing 1, and support piece 7 upper end is installed on water collector 6, and support piece 7 one side is installed on the heat exchanger, and baffle 3 is connected to support piece 7 opposite side.
When the heat exchange device is applied, the lower end of the heat exchange component is arranged on the water receiving disc 6, and the upper end of the heat exchange component is arranged on the shell 1; the lower end of the wind shielding component is arranged on the water receiving disc 6, and the upper end of the wind shielding component is arranged on the shell 1; the baffle 3 both sides are installed on support piece 7, and baffle 3 bottom is installed on water collector 6.
During practical application, the fan assembly provides air quantity power, the frame assembly provides support, the wind shielding assembly, the water receiving disc 6 and the partition plate 3 organize heat exchange air flow, and the heat exchange assembly realizes heat exchange and condensation of the condenser.
The partition plate 3 of this embodiment is provided with a vent 31, see fig. 4 and 3.
The bypass hole area of the air volume bypass structure ventilation opening 31 is mainly related to the air volume of the fan and the static pressure in the fan. The method comprises the following steps:
under the working condition of extreme low-temperature refrigeration, the rotating speed modulation of the fan of the air-cooled heat pump unit is minimized, and the air quantity of the fan is at the moment When the fan 2 works at the minimum rotating speed, the static pressure P in the fan is also a fixed value. In this embodiment, the air volume L of the vent 31 is controlled by the bypass area of the vent 31, that is, the air volume L of the vent 31 is controlled by the sectional area of the vent 31, so as to control the heat exchange air volume/>
One skilled in the art can arrange the condensers of different models of air-cooled heat pump units with vents 31 having different cross-sectional areas.
When the air-cooled heat pump unit is applied, the required heat exchange air quantity L heat exchange is calculated and matched according to the configured fans and the heat exchange parameters of the air-cooled heat pump unit, and then the bypass air quantity is calculated according to the following formula, namely the air quantity L of the ventilation opening 31:
in practice, the cross-sectional area of the vent 31 is calculated according to the following equation:
Example 4
The embodiment introduces an air-cooled heat pump unit.
The air-cooled heat pump unit of the embodiment comprises a condenser, wherein the condenser is the condenser of the air-cooled heat pump unit described in any one of embodiments 1-3.
When the air-cooled heat pump unit is applied, the existing air-cooled heat pump unit without the ventilation opening 31 and the air-cooled heat pump unit with the ventilation opening 31 in the embodiment are placed in an environment with the temperature of minus 25 ℃ for refrigeration: the fan speed of the air-cooled heat pump unit without the ventilation opening 31 oscillates back and forth between 250r/min and 300r/min, and reference is made to FIG. 5; the fan speed of the air-cooled heat pump unit with the ventilation opening 31 can be almost stabilized to be a fixed value, and the phenomenon of back and forth oscillation does not occur, and the reference is made to fig. 6.
The air-cooled heat pump unit of this embodiment can carry out the control of heat transfer amount of wind when the limit low temperature is refrigerated, avoids the fan rotational speed to make a round trip to swing, leads to refrigerating system high pressure fluctuation great, and air-cooled heat pump unit can not the steady operation's problem.
In summary, the embodiment of the utility model can control the heat exchange air volume of heat exchange by controlling the sectional area of the ventilation opening of the condenser, thereby reducing the frequency of adjusting the rotation speed of the fan, reducing the high-pressure fluctuation of the compressor refrigerating system and ensuring that the air-cooled heat pump unit can stably operate.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (10)
1. The condenser of the air-cooled heat pump unit is characterized by comprising a shell (1);
More than one fan opening (11) is formed in the top of the shell (1), and a fan (2) is arranged in each fan opening;
A partition board (3) is arranged between every two adjacent fans (2), each partition board (3) is arranged in the shell (1), and the interior of the shell (1) is divided into a plurality of air chambers;
And each baffle plate (3) is provided with a vent (31).
2. A condenser of an air-cooled heat pump assembly according to claim 1, wherein the cross-sectional area of the vent (31) is required as follows:
Wherein A is the cross-sectional area of the ventilation opening, the unit is square meter, C is the flow coefficient of the ventilation opening, L is the air quantity of the ventilation opening, the unit is m 3/h, P is the static pressure in the fan, the unit is Pa, ρ is the air density, and the unit is kg/m 3.
3. The condenser of an air-cooled heat pump assembly according to claim 2, wherein the flow coefficient of the vent is 1.
4. A condenser of an air-cooled heat pump unit according to claim 1, wherein the casing (1) is of hexahedral structure.
5. The condenser of an air-cooled heat pump unit according to claim 1, wherein each fan port (11) is sequentially formed at the top of the casing (1);
The outer peripheral part of each baffle plate (3) is connected with the inner wall of the shell (1).
6. A condenser of an air-cooled heat pump assembly according to claim 4, wherein the first set of side walls of the housing (1) are two oppositely arranged heat exchangers (4).
7. A condenser of an air-cooled heat pump assembly according to claim 4, wherein the second set of side walls of the housing (1) are two oppositely arranged wind deflectors (5).
8. The condenser of an air-cooled heat pump unit according to claim 1, wherein the bottom of the casing (1) is a water pan (6).
9. A condenser of an air-cooled heat pump assembly according to claim 1, wherein the fans (2) share a wind system.
10. An air-cooled heat pump unit is characterized by comprising a condenser;
the condenser is a condenser of the air-cooled heat pump unit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323010706.XU CN220981621U (en) | 2023-11-07 | 2023-11-07 | Air-cooled heat pump unit and condenser thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323010706.XU CN220981621U (en) | 2023-11-07 | 2023-11-07 | Air-cooled heat pump unit and condenser thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220981621U true CN220981621U (en) | 2024-05-17 |
Family
ID=91059108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323010706.XU Active CN220981621U (en) | 2023-11-07 | 2023-11-07 | Air-cooled heat pump unit and condenser thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220981621U (en) |
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2023
- 2023-11-07 CN CN202323010706.XU patent/CN220981621U/en active Active
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