CN220871012U - Outdoor unit of household air conditioner - Google Patents
Outdoor unit of household air conditioner Download PDFInfo
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- CN220871012U CN220871012U CN202322658088.3U CN202322658088U CN220871012U CN 220871012 U CN220871012 U CN 220871012U CN 202322658088 U CN202322658088 U CN 202322658088U CN 220871012 U CN220871012 U CN 220871012U
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- air
- outdoor unit
- heat exchanger
- circulation
- condensate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Central Air Conditioning (AREA)
Abstract
The utility model discloses a household air conditioner outdoor unit, which comprises an inner circulation box and an outer circulation box, wherein a circulation fan and an inner circulation heat exchanger are arranged in the inner circulation box, and an exchange fan, a compressor and an outer heat exchanger are arranged in the outer circulation box; the compressor is connected with the inner circulation heat exchanger and the outer heat exchanger to realize heat exchange between the inner circulation heat exchanger and the outer heat exchanger, and the inner circulation box is provided with a return air pipeline for obtaining indoor air, a fresh air pipeline for obtaining outdoor air and an air supply pipeline for conveying air indoors. According to the outdoor unit of the household air conditioner, the internal circulation fan and the internal circulation heat exchanger are all arranged outdoors, and long connecting pipelines are not needed between the external circulation boxes of the internal circulation boxes, so that the pressure loss is reduced, and the system efficiency is improved.
Description
Technical Field
The utility model relates to a household air conditioner outdoor unit, and belongs to the technical field of fresh air purification air conditioners.
Background
The existing household air conditioner is single in function, temperature and humidity adjustment can be achieved, a user often needs to additionally install a fresh air fan to replace indoor air, a more comfortable living environment can be achieved, the fan is located indoors, and running noise is large.
In addition, the existing household air conditioner is low in system efficiency, low in cooling speed and high in power consumption, and particularly under the condition that the outdoor temperature in summer is obviously increased, the refrigerating speed of the air conditioner is obviously low.
Accordingly, there is a need for intensive research into existing air conditioning systems to solve the above-described problems.
Disclosure of utility model
In order to overcome the above problems, the present inventors have conducted intensive studies and devised an outdoor unit of a household air conditioner, including an inner circulation box 1 and an outer circulation box 2,
A circulating fan 11 and an internal circulating heat exchanger 12 are arranged in the internal circulating box 1,
The external circulation tank 2 is provided with an exchange fan 21, a compressor 22, and an external heat exchanger 23.
The compressor 22 is connected with the inner circulation heat exchanger 12 and the outer heat exchanger 23, and heat exchange between the inner circulation heat exchanger 12 and the outer heat exchanger 23 is realized.
In a preferred embodiment, a precooler 15 is further arranged in the inner circulation tank 1, and the precooler 15 is a heat exchanger with a cold water channel in the middle and is used for precooling air entering the inner circulation tank 1;
a condensate tank 24 is provided in the inner circulation tank 1 or the outer circulation tank 2 for storing condensate, and the condensate in the condensate tank 24 is pumped into a cold water passage in the precooler 15 by a cold water pump 25 so that the precooler 15 can achieve precooling.
In a preferred embodiment, a condensate water tray 16 is disposed at the lower ends of the precooler 15 and the inner-circulation heat exchanger 12, and is used for collecting condensate water generated on the surfaces of the precooler 15 and the inner-circulation heat exchanger 12, the condensate water tray 16 is connected with a condensate water tank 24, and the collected condensate water is poured into the condensate water tank 24.
In a preferred embodiment, a condensate atomizer 26 is provided in the outer circulation tank 2, and the condensate atomizer 26 is connected to a cold water channel of the precooler 15, so as to atomize the cold water flowing out of the precooler 15 and spray the atomized cold water into the outer circulation tank 2.
In a preferred embodiment, the internal circulation tank 1 is provided with:
a return air duct 101, for obtaining indoor air,
A fresh air duct 102 for taking in the outdoor air,
And a blower duct 103 for feeding air into the room.
In a preferred embodiment, a detachable structure is arranged between the inner circulation tank 1 and the outer circulation tank 2.
In a preferred embodiment, the fresh air duct 102 is provided with a valve.
In a preferred embodiment, an auxiliary heater 13 is further provided in the inner circulation tank 1 to heat the air in the inner circulation tank 1.
In a preferred embodiment, in the inner circulation box 1, an air equalizing plate 14 is provided, the air equalizing plate 14 has a bell-mouth structure, a small opening end is connected with the return air duct 101, and a large opening end has a plurality of air equalizing holes, so that air entering from the return air duct 101 can uniformly contact with the inner circulation heat exchanger 12.
In a preferred embodiment, the inner circulation tank 1 housing has a heat insulation layer.
The utility model has the beneficial effects that:
(1) The functions of an air conditioner and a fresh air machine are realized through one piece of equipment;
(2) The internal circulation fan and the internal circulation heat exchanger are all outdoor, and a long connecting pipeline is not needed between the internal circulation and the external circulation, so that the pressure loss is reduced, and the system efficiency is improved;
(3) Through the precooler and the condensate atomizer, the running efficiency of the air conditioning system in a high-temperature environment is improved;
(4) The moving parts are all positioned in the outdoor unit, so that indoor noise is reduced, and comfort in a room is improved.
Drawings
Fig. 1 is a schematic view showing an overall structure of a outdoor unit of a household air conditioner according to a preferred embodiment of the present utility model;
fig. 2 is a schematic view showing the structure of an inner circulation box in an outdoor unit of a household air conditioner according to a preferred embodiment of the present utility model;
fig. 3 is a schematic view showing an external circulation box structure in a outdoor unit of a household air conditioner according to a preferred embodiment of the present utility model.
Reference numerals illustrate:
1-an internal circulation box;
2-an external circulation tank;
11-a circulating fan;
12-an internal circulation heat exchanger;
13-auxiliary heater;
14-air equalizing plates;
15-precooler;
16-a condensate pan;
21-an exchange fan;
22-compressor;
23-an external heat exchanger;
24-a condensate water tank;
25-a cold water pump;
26-a condensate atomizer;
101-an air return pipeline;
102-a fresh air pipeline;
103-air supply pipeline.
Detailed Description
The utility model is further described in detail below by means of the figures and examples. The features and advantages of the present utility model will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the present utility model, as shown in fig. 1 to 3, there is provided an outdoor unit of a household air conditioner, comprising an inner circulation box 1 and an outer circulation box 2,
A circulating fan 11 and an internal circulating heat exchanger 12 are arranged in the internal circulating box 1,
The external circulation tank 2 is provided with an exchange fan 21, a compressor 22, and an external heat exchanger 23.
The compressor 22 is connected with the inner circulation heat exchanger 12 and the outer heat exchanger 23, and heat exchange between the inner circulation heat exchanger 12 and the outer heat exchanger 23 is realized.
In a preferred embodiment, the casing of the internal circulation tank 1 has a heat insulating layer to reduce the amount of heat exchange between the internal circulation tank 1 and the outside air.
The internal circulation box 1 is provided with:
a return air duct 101, for obtaining indoor air,
A fresh air duct 102 for taking in the outdoor air,
And a blower duct 103 for feeding air into the room.
In the traditional air conditioning system, through arranging an outdoor unit and an indoor unit, heat exchangers are respectively arranged in the indoor unit and the outdoor unit, and the indoor temperature and humidity are adjusted by transferring a refrigerant between the heat exchangers. In the utility model, the traditional layout is broken, the inner circulation box 1 and the outer circulation box 2 are arranged outdoors, the inner circulation heat exchanger 12 and the circulation fan 11 are arranged outdoors, and after the air is cooled outdoors, the air is sent indoors through the air supply pipeline, thereby reducing the occupied area of the indoor unit and avoiding the operation noise caused by the operation of the moving parts of the indoor unit.
Further, by arranging the fresh air pipeline 102, fresh air can be contained in the air input into the room, and the combination of the fresh air fan and the air conditioner is realized.
Traditional air conditioning equipment and new trend system are independent operation, and new trend system is responsible for to the air after the indoor input purification, and air conditioning equipment is responsible for carrying out temperature regulation to indoor air, and temperature regulation is realized through cooling or heating the air that flows through indoor set, because the complete fan that relies on when temperature regulation drives indoor air and carries out local flow, leads to indoor temperature uneven.
In the utility model, the fresh air and the air conditioner are combined together, specifically, in the inner circulation box 1, after the fresh air and the indoor return air are directly subjected to temperature regulation, the fresh air and the indoor return air are input into the room, and at the moment, the air used for temperature regulation does not only depend on a fan to locally flow, but also form circulation convection, so that the indoor temperature can be better ensured to be uniform.
In a preferred embodiment, the inner circulation box 1 and the outer circulation box 2 are of a detachable structure, so that the inner circulation box 1 and the outer circulation box 2 are convenient to install in practice, when the existing air conditioner outer machine installation position of a building is large, the inner circulation box 1 and the outer circulation box 2 can be simultaneously contained, the inner circulation box 1 and the outer circulation box 2 are integrally arranged, the inner circulation box and the outer circulation box 2 are convenient to install, when the existing air conditioner outer machine installation position of the building is small, the inner circulation box 1 and the outer circulation box 2 are detached, the air conditioner outer machine installation support is additionally arranged on the periphery of the building, and the inner circulation box 1 and the outer circulation box 2 are independently installed respectively, so that flexible installation of the system is realized.
In a preferred embodiment, the fresh air duct 102 is provided with a valve for controlling the amount of outdoor air entering, i.e. the fresh air volume.
According to the utility model, when fresh air is not needed, the valve on the fresh air pipeline 102 is closed, and in the internal circulation box 1, air input through the return air pipeline 101 passes through the internal circulation heat exchanger 12 and then is output to the indoor through the air supply pipeline 103 by the circulation fan 11 to regulate the temperature and the humidity of the air.
According to the utility model, when fresh air needs to be started, a valve on the fresh air pipeline 102 is started, air entering the inner circulation box 1 from the fresh air pipeline 102 is mixed with air input by the return air pipeline 101 and then passes through the inner circulation heat exchanger 12, and the air is output to the indoor through the air supply pipeline 103 by the circulation fan 11 to regulate the temperature and the humidity of the air.
In a preferred embodiment, an auxiliary heater 13 is further provided in the inner circulation tank 1 to heat the air in the inner circulation tank 1, and when the indoor temperature is lower than a preset value, the air is heated and then is input into the indoor.
Preferably, the auxiliary heater 13 is disposed at the rear end of the inner circulation heat exchanger 12.
In a preferred embodiment, in the inner circulation box 1, an air equalizing plate 14 is provided, the air equalizing plate 14 has a bell-mouth structure, a small opening end is connected with the return air duct 101, and a large opening end has a plurality of air equalizing holes, so that air entering from the return air duct 101 can uniformly contact with the inner circulation heat exchanger 12.
In a preferred embodiment, a precooler 15 is further arranged in the inner circulation tank 1, and the precooler 15 is a heat exchanger with a cold water channel in the middle and is used for precooling air entering the inner circulation tank 1;
a condensate tank 24 is provided in the inner circulation tank 1 or the outer circulation tank 2 for storing condensate, and the condensate in the condensate tank 24 is pumped into a cold water passage in the precooler 15 by a cold water pump 25 so that the precooler 15 can achieve precooling.
It is further preferable that a condensate tray 16 is provided at the lower ends of the precooler 15 and the inner circulation heat exchanger 12 for collecting condensate generated at the surfaces of the precooler 15 and the inner circulation heat exchanger 12.
More preferably, the condensate pan 16 is connected to the condensate tank 24, and the collected condensate is poured into the condensate tank 24.
According to the utility model, when the cooling is operated in summer, the temperature of the internal circulation heat exchanger is low, condensed water is generated on the surface of the internal circulation heat exchanger, the condensed water is collected into the condensed water tank through the condensed water tray, and when the condensed water in the condensed water tank reaches a preset volume, the condensed water pump 25 works to pump the condensed water into the precooler 15, so that the precooler 15 can precool the entering air. Through the process, the cold recovery of the air conditioner can be realized, and the running efficiency of the air conditioner is further improved.
Further preferably, a condensed water atomizer 26 is arranged in the outer circulation tank 2, the condensed water atomizer 26 is connected with a cold water channel of the precooler 15, cold water flowing out of the precooler 15 is atomized and sprayed in the outer circulation tank 2, air entering the outer circulation tank 2 is mixed, and because low-temperature atomized water is evaporated to absorb heat after encountering high-temperature air, the air inlet temperature of the outer heat exchanger can be reduced, so that the condensing temperature of the outer heat exchanger is reduced, and the running efficiency of an air conditioning system is improved.
In a preferred embodiment, a fan 27 is provided in the outer circulation tank 2 for accelerating the heat exchange speed of the outer heat exchanger 23 with the outside air.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "front", "rear", etc. are based on the positional or positional relationship in the operation state of the present utility model, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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, for example, fixedly connected, detachably connected, or integrally connected; 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 will be understood in specific cases by those of ordinary skill in the art.
The utility model has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the utility model can be subjected to various substitutions and improvements, and all fall within the protection scope of the utility model.
Claims (10)
1. A household air conditioner outdoor unit is characterized by comprising an inner circulation box (1) and an outer circulation box (2),
A circulating fan (11) and an internal circulating heat exchanger (12) are arranged in the internal circulating box (1),
An exchange fan (21), a compressor (22) and an external heat exchanger (23) are arranged in the external circulation box (2);
the compressor (22) is connected with the inner circulation heat exchanger (12) and the outer heat exchanger (23), so that heat exchange between the inner circulation heat exchanger (12) and the outer heat exchanger (23) is realized.
2. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The internal circulation box (1) is also provided with a precooler (15), and the precooler (15) is a heat exchanger with a cold water channel in the middle and is used for precooling air entering the internal circulation box (1);
A condensate tank (24) is arranged in the inner circulation tank (1) or the outer circulation tank (2) and is used for storing condensate, and the condensate in the condensate tank (24) is pumped into a cold water channel in the precooler (15) through a cold water pump (25), so that the precooler (15) can realize precooling.
3. The outdoor unit of claim 2, wherein,
The lower ends of the precooler (15) and the inner circulation heat exchanger (12) are provided with a condensate water tray (16) which is used for collecting condensate water generated on the surfaces of the precooler (15) and the inner circulation heat exchanger (12), the condensate water tray (16) is connected with a condensate water tank (24), and the collected condensate water is poured into the condensate water tank (24).
4. The outdoor unit of claim 2, wherein,
A condensate atomizer (26) is arranged in the outer circulation tank (2), the condensate atomizer (26) is connected with a cold water channel of the precooler (15), and the cold water flowing out of the precooler (15) is atomized and sprayed in the outer circulation tank (2).
5. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The internal circulation box (1) is provided with:
a return air duct (101) for obtaining indoor air,
A fresh air duct (102) for taking out the outdoor air,
And an air supply duct (103) for supplying air into the room.
6. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The detachable structure is arranged between the inner circulation box (1) and the outer circulation box (2).
7. The outdoor unit of claim 5, wherein the outdoor unit comprises,
And a valve is arranged on the fresh air pipeline (102).
8. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The internal circulation box (1) is also provided with an auxiliary heater (13) for heating the air in the internal circulation box (1).
9. The outdoor unit of claim 5, wherein the outdoor unit comprises,
In inner loop case (1), be provided with air-equalizing plate (14), air-equalizing plate (14) are horn mouth form structure, and the osculum end is connected with return air pipeline (101), and the osculum end has a plurality of air-equalizing holes for the air that gets into from return air pipeline (101) can even with inner loop heat exchanger (12) contact.
10. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The shell of the internal circulation box (1) is provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322658088.3U CN220871012U (en) | 2023-09-28 | 2023-09-28 | Outdoor unit of household air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322658088.3U CN220871012U (en) | 2023-09-28 | 2023-09-28 | Outdoor unit of household air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871012U true CN220871012U (en) | 2024-04-30 |
Family
ID=90820528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322658088.3U Active CN220871012U (en) | 2023-09-28 | 2023-09-28 | Outdoor unit of household air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871012U (en) |
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2023
- 2023-09-28 CN CN202322658088.3U patent/CN220871012U/en active Active
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