CN112212438A - Multifunctional indoor air conditioning unit - Google Patents
Multifunctional indoor air conditioning unit Download PDFInfo
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- CN112212438A CN112212438A CN202011151217.4A CN202011151217A CN112212438A CN 112212438 A CN112212438 A CN 112212438A CN 202011151217 A CN202011151217 A CN 202011151217A CN 112212438 A CN112212438 A CN 112212438A
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- air
- condenser
- heat exchanger
- indoor
- temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
Abstract
The invention provides a multifunctional indoor air conditioning unit, and relates to the field of air conditioning. This multi-functional indoor air conditioning unit, including air cleaner, surface cooler, throttle expansion device, evaporimeter, condenser, humidifier, compressor, heat exchanger, fan, air cleaner links to each other with outdoor new trend end, indoor return air end, the evaporimeter links to each other with condenser, compressor, throttle expansion device, the condenser still links to each other with heat exchanger, throttle expansion device, the heat exchanger links to each other with the compressor. Through reasonable structural design, the temperature and the humidity of air are independently controlled, the functions are more than those of the existing fresh air handling unit, and the environment quality inside a room can be further ensured.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to a multifunctional indoor air conditioning unit.
Background
A fresh air handling unit is an air conditioning device that provides fresh air. The working principle is that fresh air is extracted outdoors and is sent indoors through a fan after being treated by dust removal, dehumidification (or humidification), temperature reduction (or heating) and the like, so as to meet the indoor fresh air requirement.
The traditional fresh air fan unit in the current market can not independently control the temperature and the humidity of the required fresh air, and the humidity does not necessarily meet the requirement when the temperature meets the requirement, or the temperature does not necessarily meet the requirement when the humidity meets the requirement; in addition, the traditional fresh air dehumidifier is insufficient in dehumidification capacity under the condition of fresh air quantity demand configuration, so that the comfort of fresh air is reduced, or partial parameters do not meet requirements, the use function of a room is influenced, and the quality of an indoor environment is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multifunctional indoor air conditioning unit, which solves the problems that the dehumidification capacity of the traditional fresh air dehumidifier is insufficient and the traditional fresh air machine has defects in engineering application.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a multifunctional indoor air conditioning unit comprises an air filter, a surface cooler, a throttling expansion device, an evaporator, a condenser, a humidifier, a compressor, a heat exchanger and a fan, wherein the air filter is connected with an outdoor fresh air end and an indoor return air end;
the condenser is also connected with a heat exchanger and a throttling expansion device, and the heat exchanger is connected with a compressor.
Preferably, the surface cooler is connected with a water return end and a water supply end, and a first proportional integral valve is arranged on a pipeline connected with the water supply end of the surface cooler.
Preferably, the heat exchanger is connected with pipelines connected with the water return end and the water supply end, and a second proportional-integral valve is arranged on the pipeline connected with the water supply end of the heat exchanger.
Preferably, an air volume adjusting valve I is arranged on a pipeline connecting the air filter and the indoor return air end, and an air volume adjusting valve II is arranged on a pipeline connecting the air filter and the outdoor fresh air end.
Preferably, a gas-liquid separator is arranged in a pipeline connecting the evaporator and the compressor.
Preferably, a filtering device is arranged on a pipeline connecting the condenser and the throttling expansion device.
A multifunctional indoor air conditioning unit further comprises the following use steps:
s1, dehumidifying in summer:
a. air path: after outdoor fresh air and indoor return air are mixed according to a set proportion through air volume regulating valves arranged at an outdoor fresh air end and an indoor return air end respectively, the mixture is filtered and dedusted through an air filter and enters a surface cooler, the air temperature and the moisture content are reduced, the air temperature and the moisture content are further reduced through an evaporator, the air temperature is increased or unchanged through a condenser, the moisture content is unchanged, a humidifier does not work, and finally the air is conveyed to a room through a fan, and the temperature and the humidity of the room are realized through combined control through a first proportional integral valve and a second proportional integral valve;
b. a refrigerating machine circulation path: the refrigerant exchanges heat with flowing air through the evaporator, enters a gas-liquid separator, enters a compressor, is compressed by the compressor, enters a heat exchanger to exchange heat with cold water of an air conditioner, enters a condenser to exchange heat with the flowing air, enters a throttling expansion device through a filtering device, and finally enters the evaporator;
c. air conditioner cold water route: adjusting the opening degree of a first proportional integral valve according to set sensor data, controlling the heat exchange quantity between air-conditioning cold water in a surface cooler and air flowing through the surface cooler by adjusting the flow rate of the air-conditioning cold water flowing through the surface cooler, adjusting a second proportional integral valve according to the sensor data, adjusting the heat exchange quantity between the air-conditioning cold water in a heat exchanger and a refrigerant, thereby adjusting the heat exchange quantity between the refrigerant in a condenser and the air flowing through the surface of the condenser, and adjusting the air supply temperature and humidity of a room;
s2, humidifying working conditions in winter:
a. air path: after the outdoor fresh air and the indoor return air are mixed according to a set proportion through an air volume adjusting valve II at an outdoor fresh air end and an air volume adjusting valve I at an indoor return air end, the mixture is filtered and dedusted through an air filter, enters a surface cooler, exchanges heat with air conditioning hot water in the surface cooler, then the air temperature is raised, the moisture content is unchanged, the mixture sequentially flows through an evaporator and a condenser, at the moment, the evaporator and the condenser do not work, the mixture is humidified through a humidifier, the temperature is unchanged, the moisture content is raised, and finally the mixture is conveyed to a room through a fan, so that the air supply temperature and the humidity of;
b. air conditioner hot water route: the heat exchange quantity of the air-conditioning hot water in the surface air cooler and the air flowing through the surface air cooler is adjusted by controlling the opening of the first proportional integral valve, so that the air temperature is adjusted.
(III) advantageous effects
The invention provides a multifunctional indoor air conditioning unit. The method has the following beneficial effects:
1. the invention realizes independent control of the temperature and the humidity of the air through reasonable structural design, has more functions than the existing fresh air handling unit, and further can ensure the environmental quality in the room.
2. The adjusting unit has the advantages that the moisture removal capacity is larger than that of a traditional fresh air dehumidifying unit under the condition of the same air quantity, the working efficiency is higher, and more requirements of users can be met.
Drawings
Fig. 1 is a schematic structural diagram of the principle of the present invention.
Wherein, 1, air filter; 2. a surface cooler; 3. a throttle expansion device; 4. a filtration device; 5. an evaporator; 6. a condenser; 7. a humidifier; 8. a compressor; 9. a gas-liquid separator; 10. a heat exchanger; 11. a first proportional integral valve; 12. a second proportional-integral valve; 13. a first air volume adjusting valve; 14. a fan; 15. and a second air volume adjusting valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1, an embodiment of the present invention provides a multifunctional indoor air conditioning unit, including an air filter 1, a surface air cooler 2, a throttling expansion device 3, an evaporator 5, a condenser 6, a humidifier 7, a compressor 8, a heat exchanger 10, and a fan 14, where the air filter 1 is connected to an outdoor fresh air end and an indoor return air end, the condenser 6 is further connected to the heat exchanger 10 and the throttling expansion device 3, and the heat exchanger 10 is connected to the compressor 8.
The surface air cooler 2 is connected with a water return end and a water supply end, and a first proportional integral valve 11 is arranged on a pipeline connecting the surface air cooler 2 with the water supply end.
The heat exchanger 10 is connected with pipelines connected with a water return end and a water supply end, and a second proportional-integral valve 12 is arranged on the pipeline connected with the water supply end of the heat exchanger 10.
And a first air volume adjusting valve 13 is arranged on a pipeline connecting the air filter 1 with an indoor return air end, and a second air volume adjusting valve 15 is arranged on a pipeline connecting the air filter 1 with an outdoor fresh air end.
A gas-liquid separator 9 is arranged in a pipeline connecting the evaporator 5 and the compressor 8.
And a filtering device 4 is arranged on a pipeline connecting the condenser 6 and the throttling expansion device 3.
A multifunctional indoor air conditioning unit further comprises the following use steps:
s1, dehumidifying in summer:
a. air path: after mixing outdoor fresh air and indoor return air according to a set proportion through an air volume adjusting valve II 15 at an outdoor fresh air end and an air volume adjusting valve I13 at an indoor return air end, filtering and dedusting the mixture through an air filter 1, enabling the mixture to enter a surface air cooler 2, reducing the air temperature and the moisture content, further reducing the air temperature and the moisture content through an evaporator 5, enabling the air temperature to rise or not change and the moisture content not to change through a condenser 6, enabling a humidifier 7 not to work, finally conveying the mixture to a room through a fan 14, and realizing the temperature and the humidity of the room through combined control of a first proportional integral valve 11 and a second proportional integral valve 12;
b. a refrigerating machine circulation path: the refrigerant exchanges heat with flowing air through the evaporator 5, enters the gas-liquid separator 9, enters the compressor 8, is compressed by the compressor 8, enters the heat exchanger 10 to exchange heat with cold water of an air conditioner, enters the condenser 6 to exchange heat with the flowing air, enters the throttling expansion device 3 through the filtering device 4, and finally enters the evaporator 5;
c. air conditioner cold water route: according to the set sensor data, the opening degree of the first proportional integral valve 11 is adjusted, the heat exchange quantity between the air-conditioning cold water in the surface cooler 2 and the air flowing through the surface cooler 2 is controlled by adjusting the flow rate of the air-conditioning cold water flowing through the surface cooler 2, the heat exchange quantity between the air-conditioning cold water in the heat exchanger 10 and the refrigerant is adjusted by adjusting the second proportional integral valve 12 according to the sensor data, so that the heat exchange quantity between the refrigerant in the condenser 6 and the air flowing through the surface of the condenser 6 is adjusted, and the air supply temperature and the air supply humidity of a room are adjusted;
s2, humidifying working conditions in winter:
a. air path: after mixing the outdoor fresh air and the indoor return air according to a set proportion through a second air volume adjusting valve 15 at an outdoor fresh air end and a first air volume adjusting valve 13 at an indoor return air end, filtering and dedusting the mixture through an air filter 1, entering a surface cooler 2, exchanging heat with hot water of air conditioning in the surface cooler 2, increasing the air temperature and keeping the moisture content unchanged, sequentially flowing through an evaporator 5 and a condenser 6, wherein the evaporator 5 and the condenser 6 do not work at the moment, and are humidified through a humidifier 7, the temperature and the moisture content are unchanged, and finally the mixture is conveyed to a room through a fan 14 to realize the adjustment of the air supply temperature and the humidity of the room;
b. air conditioner hot water route: the air temperature is adjusted by controlling the opening of the first proportional integral valve 11 to adjust the heat exchange quantity between the hot water of the air conditioner in the surface air cooler 2 and the air flowing through the surface air cooler 2.
The refrigerating machine circulation path does not operate under the humidification working condition in winter.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A multifunctional indoor air conditioning unit is characterized in that: the air conditioner comprises an air filter (1), a surface cooler (2), a throttling expansion device (3), an evaporator (5), a condenser (6), a humidifier (7), a compressor (8), a heat exchanger (10) and a fan (14), wherein the air filter (1) is connected with an outdoor fresh air end and an indoor return air end;
the condenser (6) is also connected with a heat exchanger (10) and a throttling expansion device (3), and the heat exchanger (10) is connected with a compressor (8).
2. The multi-functional indoor air conditioning unit according to claim 1, wherein: the surface cooler (2) is connected with a water return end and a water supply end, and a first proportional integral valve (11) is arranged on a pipeline connecting the surface cooler (2) with the water supply end.
3. The multi-functional indoor air conditioning unit according to claim 1, wherein: the heat exchanger (10) is connected with pipelines connected with a water return end and a water supply end, and a second proportional-integral valve (12) is arranged on the pipeline connected with the water supply end of the heat exchanger (10).
4. The multi-functional indoor air conditioning unit according to claim 1, wherein: and a first air volume adjusting valve (13) is arranged on a pipeline connecting the air filter (1) and the indoor return air end, and a second air volume adjusting valve (15) is arranged on a pipeline connecting the air filter (1) and the outdoor fresh air end.
5. The multi-functional indoor air conditioning unit according to claim 1, wherein: and a gas-liquid separator (9) is arranged in a pipeline connecting the evaporator (5) and the compressor (8).
6. The multi-functional indoor air conditioning unit according to claim 1, wherein: and a filtering device (4) is arranged on a pipeline connecting the condenser (6) and the throttling expansion device (3).
7. A multifunctional indoor air conditioning unit is characterized in that: also comprises the following steps:
s1, dehumidifying in summer:
air path: after outdoor fresh air and indoor return air are mixed according to a set proportion through an air volume adjusting valve II (15) at an outdoor fresh air end and an air volume adjusting valve I (13) at an indoor return air end, the mixture is filtered and dedusted through an air filter (1) and enters a surface cooler (2), the air temperature and the moisture content are reduced, the air temperature and the moisture content are further reduced through an evaporator (5), the air temperature is increased or unchanged through a condenser (6), the moisture content is unchanged, a humidifier (7) does not work, the mixture is finally conveyed to a room through a fan (14), and the temperature and the humidity of the room are realized through combined control of a first proportional integral valve (11) and a second proportional integral valve (12);
a refrigerating machine circulation path: the refrigerant exchanges heat with flowing air through the evaporator (5), enters the gas-liquid separator (9), enters the compressor (8), is compressed by the compressor (8), enters the heat exchanger (10) to exchange heat with cold water of an air conditioner, enters the condenser (6) to exchange heat with the flowing air, enters the throttling expansion device (3) through the filtering device (4), and finally enters the evaporator (5);
air conditioner cold water route: according to set sensor data, the opening degree of a first proportional integral valve (11) is adjusted, the heat exchange quantity between air-conditioning cold water in a surface cooler (2) and air flowing through the surface cooler (2) is controlled by adjusting the flow rate of the air-conditioning cold water flowing through the surface cooler (2), and according to the sensor data, a second proportional integral valve (12) is adjusted to adjust the heat exchange quantity between the air-conditioning cold water and a refrigerant in a heat exchanger (10), so that the heat exchange quantity between the refrigerant in a condenser (6) and the air flowing through the surface of the condenser (6) is adjusted, and the air supply temperature and the air supply humidity of a room are adjusted;
s2, humidifying working conditions in winter:
air path: after outdoor fresh air and indoor return air are mixed according to a set proportion through an air volume adjusting valve II (15) at an outdoor fresh air end and an air volume adjusting valve I (13) at an indoor return air end, the mixture is filtered and dedusted through an air filter (1), enters a surface cooler (2), exchanges heat with air conditioning hot water in the surface cooler (2), the air temperature is raised, the moisture content is unchanged, the mixture sequentially flows through an evaporator (5) and a condenser (6), at the moment, the evaporator (5) and the condenser (6) do not work, and the mixture is humidified through a humidifier (7), the temperature is unchanged, the moisture content is raised, and finally the mixture is conveyed to a room through a fan (14) to realize the adjustment of the air supply temperature and the humidity of the;
air conditioner hot water route: the air temperature is adjusted by controlling the opening of the first proportional integral valve (11) and adjusting the heat exchange quantity of the air-conditioning hot water in the surface air cooler (2) and the air flowing through the surface air cooler (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151217.4A CN112212438A (en) | 2020-10-25 | 2020-10-25 | Multifunctional indoor air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151217.4A CN112212438A (en) | 2020-10-25 | 2020-10-25 | Multifunctional indoor air conditioning unit |
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| Publication Number | Publication Date |
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| CN112212438A true CN112212438A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011151217.4A Pending CN112212438A (en) | 2020-10-25 | 2020-10-25 | Multifunctional indoor air conditioning unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203142A (en) * | 2021-06-17 | 2021-08-03 | 北京兴拓置业有限公司 | Individual household intelligent fresh air handling unit with self-checking control system |
-
2020
- 2020-10-25 CN CN202011151217.4A patent/CN112212438A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203142A (en) * | 2021-06-17 | 2021-08-03 | 北京兴拓置业有限公司 | Individual household intelligent fresh air handling unit with self-checking control system |
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