CN110726189B - Doublestage cooling dehydrating unit - Google Patents
Doublestage cooling dehydrating unit Download PDFInfo
- Publication number
- CN110726189B CN110726189B CN201911116194.0A CN201911116194A CN110726189B CN 110726189 B CN110726189 B CN 110726189B CN 201911116194 A CN201911116194 A CN 201911116194A CN 110726189 B CN110726189 B CN 110726189B
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- Prior art keywords
- evaporator
- condenser
- pipeline
- loop
- compressor
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000005057 refrigeration Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 6
- 238000007791 dehumidification Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- F24F3/1405—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 in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
Landscapes
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a two-stage cooling and dehumidifying device which comprises a first compressor, a second compressor, an indoor side condenser, a first evaporator and a second evaporator, wherein the indoor side condenser, the first evaporator and the second evaporator are arranged on the indoor side, the outdoor side first condenser and the outdoor side second condenser are arranged on the outdoor side, the first compressor, the outdoor side first condenser, the indoor side condenser and the first evaporator form a first refrigeration cycle loop, and the second compressor, the outdoor side second condenser and the second evaporator form a second refrigeration cycle loop. The invention has simple principle and simple and convenient control, and the double systems can be independently operated or simultaneously operated according to the air treatment requirement.
Description
Technical Field
The invention relates to the field of air conditioning equipment, in particular to a two-stage cooling and dehumidifying device.
Background
There are two main types of air conditioning devices: firstly, the air handling unit of single-stage impact refrigerating and heating system dehumidifies as auxiliary function, because the indoor side only has the in-process of evaporator dehumidification again, indoor temperature can gradually reduce, and dehumidification effect reduces, and the cooling and dehumidification ability of single-stage refrigerating air is limited. Secondly, dehumidify with the dehumidifier, then control the temperature with the air conditioning system, need two pieces of equipment, it is comparatively complicated and the running cost is high.
The invention aims to provide a two-stage cooling and dehumidifying device which aims to solve the problems of air conditioning equipment in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a doublestage cooling dehydrating unit which characterized in that: the indoor condenser, the outdoor condenser, the indoor condenser and the first evaporator are sequentially arranged in the room and share the fan, a first refrigeration cycle loop is formed by connecting the first compressor, the outdoor condenser, the indoor condenser and the first evaporator through a pipeline loop, and the temperature of air processed by the first evaporator is increased in the first refrigeration cycle loop by the indoor condenser; the second compressor, the outdoor side second condenser and the second evaporator are connected through a pipeline loop to form a second refrigeration cycle loop.
The two-stage cooling and dehumidifying device is characterized in that: in the first refrigeration cycle loop, the outlet end of the first compressor is connected with the inlet end of the outdoor side first condenser through a pipeline, the outlet end of the outdoor side first condenser is connected with the inlet end of the indoor side condenser through a pipeline, the outlet end of the indoor side condenser is connected with the inlet end of the first evaporator through a pipeline, and the outlet end of the first evaporator is connected with the inlet end of the first compressor through a pipeline, so that loop connection is formed.
The two-stage cooling and dehumidifying device is characterized in that: in the first refrigeration cycle, a first throttle valve is connected between an indoor condenser and a first evaporator in a pipeline communication way.
The two-stage cooling and dehumidifying device is characterized in that: in the second refrigeration cycle loop, the outlet end of the second compressor is connected with the inlet end of the outdoor side second condenser through a pipeline, the outlet end of the outdoor side second condenser is connected with the inlet end of the second evaporator through a pipeline, and the outlet end of the second evaporator is connected with the inlet end of the second compressor through a pipeline, so that loop connection is formed.
The two-stage cooling and dehumidifying device is characterized in that: in the second refrigeration cycle, a second throttle valve is connected between the outdoor side second condenser and the second evaporator in a pipeline communication way.
The two-stage cooling and dehumidifying device is characterized in that: the first evaporator and the second evaporator are respectively provided with a temperature sensor.
The two-stage cooling and dehumidifying device is characterized in that: the first refrigerating circulation loop adopts an electric heater to replace an indoor side condenser to increase the temperature of air processed by a first evaporator, wherein the first compressor, an outdoor side first condenser and the first evaporator in the first refrigerating circulation loop are connected through a pipeline loop to form a loop, the first evaporator and the second evaporator are sequentially arranged indoors and share a fan, and the electric heater is arranged between the first evaporator and the second evaporator.
The invention adopts the principle of two-stage cooling and dehumidification, a built-in double refrigerating system is adopted, and the refrigerating system is controlled to operate through a temperature sensor, so that the purposes of deep cooling and dehumidification on the indoor side are realized.
The external system can control the operation of the refrigeration cycle system based on the temperature sensor signals at the first evaporator and the second evaporator, and the two refrigeration cycle systems can be independently operated or simultaneously operated according to the air treatment requirement. The indoor side condenser or the electric heater in the first refrigeration cycle system functions when the dual system works: the temperature of the air processed by the first evaporator is improved, and the cooling and dehumidifying work of the second evaporator is more facilitated.
The invention has the beneficial effects that:
1. The principle is simple, and the control is simple and convenient.
2. The dual systems operate either individually or simultaneously depending on the air handling requirements.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the structure of the present invention in which an electric heater is used instead of the indoor side condenser.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1, a two-stage cooling and dehumidifying device includes a first compressor 1, a second compressor 8, an indoor condenser 4, a first evaporator 7, and a second evaporator 14 disposed on an indoor side, and an outdoor first condenser 2 and an outdoor second condenser 9 disposed on an outdoor side, wherein the outdoor first condenser 2 is configured with a first condensing fan 3, the outdoor second condenser 9 is configured with a second condensing fan 10, the first evaporator 7, the indoor condenser 4, and the second evaporator 14 are sequentially arranged in the indoor and share a fan 13, the first compressor 1, the outdoor first condenser 2, the indoor condenser 4, and the first evaporator 7 are connected through a pipeline loop to form a first refrigeration cycle, and the second compressor 8, the outdoor second condenser 9, and the second evaporator 14 are connected through a pipeline loop to form a second refrigeration cycle.
In the first refrigeration cycle, the outlet end of the first compressor 1 is connected with the inlet end of the outdoor side first condenser 2 through a pipeline, the outlet end of the outdoor side first condenser 2 is connected with the inlet end of the indoor side condenser 4 through a pipeline, the outlet end of the indoor side condenser 4 is connected with the inlet end of the first evaporator 7 through a pipeline, and the outlet end of the first evaporator 7 is connected with the inlet end of the first compressor 1 through a pipeline, so that loop connection is formed.
In the first refrigeration cycle, a first throttle valve 6 is connected between the indoor condenser 4 and the first evaporator 7 in a pipeline communication manner.
In the second refrigeration cycle, the outlet end of the second compressor 8 is connected with the inlet end of the outdoor side second condenser 9 through a pipeline, the outlet end of the outdoor side second condenser 9 is connected with the inlet end of the second evaporator 14 through a pipeline, and the outlet end of the second evaporator 14 is connected with the inlet end of the second compressor 8 through a pipeline, so that loop connection is formed.
In the second refrigeration cycle, a second throttle valve is connected in a pipeline communication manner between the outdoor side second condenser 9 and the second evaporator 14.
The first evaporator 7 is provided with a temperature sensor 5 and the second evaporator 14 is provided with a temperature sensor 12, respectively.
As shown in fig. 2, in the first refrigeration cycle of the present invention, an electric heater 15 may be used to replace the indoor condenser 4 to raise the temperature of the air processed by the first evaporator 7, where the first compressor 1, the outdoor first condenser 2 and the first evaporator 7 in the first refrigeration cycle are connected by a pipeline loop to form a loop, the first throttle 6 is connected to a pipeline between the outdoor first condenser 2 and the first evaporator 7, the first evaporator 7 and the second evaporator 14 are sequentially arranged in the room and share a fan 13, and the electric heater 4 is disposed between the first evaporator 7 and the second evaporator 14.
The specific control flow of the principle of the invention is as follows:
single stage refrigeration workflow: first, the fan 13 is started, and when the temperature sensor 12 detects that the air temperature is higher than the set temperature, the second refrigeration system operates: the second condensing fan 10 is started and the second compressor 8 is started in a delayed manner.
Two-stage refrigeration working flow: when the temperature sensor 12 detects that the air temperature is still higher than the set temperature after the single-stage refrigeration operation, the first refrigeration system operates in a delayed mode: the first condensing fan 3 is started, and the first compressor 1 is started in a delayed manner. The indoor side condenser 4 or the electric heater in the first refrigeration system functions when the dual system is operated: the temperature of the air processed by the first evaporator 7 is increased, which is more beneficial to the cooling and dehumidifying operation of the second evaporator 13.
The foregoing description of the preferred embodiments of the present invention is merely for illustration and not for limitation of the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the design of the present invention.
Claims (4)
1. The utility model provides a doublestage cooling dehydrating unit which characterized in that: the indoor condenser, the outdoor condenser, the indoor condenser and the first evaporator are sequentially arranged in the room and share the fan, a first refrigeration cycle loop is formed by connecting the first compressor, the outdoor condenser, the indoor condenser and the first evaporator through a pipeline loop, and the temperature of air processed by the first evaporator is increased in the first refrigeration cycle loop by the indoor condenser; the second compressor, the outdoor side second condenser and the second evaporator are connected through a pipeline loop to form a second refrigeration cycle loop;
In the first refrigeration cycle, the outlet end of the first compressor is connected with the inlet end of the outdoor side first condenser through a pipeline, the outlet end of the outdoor side first condenser is connected with the inlet end of the indoor side condenser through a pipeline, the outlet end of the indoor side condenser is connected with the inlet end of the first evaporator through a pipeline, and the outlet end of the first evaporator is connected with the inlet end of the first compressor through a pipeline, so that loop connection is formed;
in the first refrigeration cycle loop, a first throttle valve is connected between the indoor condenser and the first evaporator in a pipeline communication way;
In the second refrigeration cycle loop, the outlet end of the second compressor is connected with the inlet end of the outdoor side second condenser through a pipeline, the outlet end of the outdoor side second condenser is connected with the inlet end of the second evaporator through a pipeline, and the outlet end of the second evaporator is connected with the inlet end of the second compressor through a pipeline, so that loop connection is formed.
2. The dual-stage cooling and dehumidifying device according to claim 1, wherein: in the second refrigeration cycle, a second throttle valve is connected between the outdoor side second condenser and the second evaporator in a pipeline communication way.
3. The dual-stage cooling and dehumidifying device according to claim 1, wherein: the first evaporator and the second evaporator are respectively provided with a temperature sensor.
4. The dual-stage cooling and dehumidifying device according to claim 1, wherein: the first refrigerating circulation loop adopts an electric heater to replace an indoor side condenser to increase the temperature of air processed by a first evaporator, wherein the first compressor, an outdoor side first condenser and the first evaporator in the first refrigerating circulation loop are connected through a pipeline loop to form a loop, the first evaporator and the second evaporator are sequentially arranged indoors and share a fan, and the electric heater is arranged between the first evaporator and the second evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116194.0A CN110726189B (en) | 2019-11-15 | 2019-11-15 | Doublestage cooling dehydrating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116194.0A CN110726189B (en) | 2019-11-15 | 2019-11-15 | Doublestage cooling dehydrating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110726189A CN110726189A (en) | 2020-01-24 |
| CN110726189B true CN110726189B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911116194.0A Active CN110726189B (en) | 2019-11-15 | 2019-11-15 | Doublestage cooling dehydrating unit |
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| Country | Link |
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| CN (1) | CN110726189B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486608A (en) * | 2020-05-25 | 2020-08-04 | 合肥天鹅制冷科技有限公司 | High-supercharging air supply cooling device |
| CN111829066A (en) * | 2020-07-27 | 2020-10-27 | 合肥天鹅制冷科技有限公司 | Anti-heating structure of dehumidifier |
| CN114738832B (en) * | 2022-03-22 | 2024-06-07 | 青岛海尔空调电子有限公司 | Direct expansion type air conditioning system and control method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970007126A (en) * | 1995-07-10 | 1997-02-21 | 구자홍 | Constant temperature dehumidifier of reheat air conditioner |
| KR100572917B1 (en) * | 2005-01-13 | 2006-04-24 | 한국공조기술개발(주) | Dehumidification and freezing circuit saving power having double cooling construction |
| CN101358760A (en) * | 2008-09-09 | 2009-02-04 | 广东美的电器股份有限公司 | Double-compressor and double-system outdoor machine of air-conditioner |
| CN201522044U (en) * | 2009-10-21 | 2010-07-07 | 山东安赛尔环境控制有限公司 | Dual-system air conditioning unit |
| CN201621785U (en) * | 2010-02-25 | 2010-11-03 | 熊晓强 | Two-stage dehumidifier |
| JP2011230095A (en) * | 2010-04-30 | 2011-11-17 | Orion Machinery Co Ltd | Compressed air dehumidifier and control method for compressed air dehumidifier |
| CN107062443A (en) * | 2016-12-28 | 2017-08-18 | 冯新华 | Twin-stage dehumidification type temperature-adjustable dehumidifier |
| KR20180019041A (en) * | 2016-08-15 | 2018-02-23 | 주식회사 혜경 | Multi heat pump Refrigeration system |
| CN110243096A (en) * | 2019-06-14 | 2019-09-17 | 合肥天鹅制冷科技有限公司 | A kind of dual system refrigeration equipment for military movable square compartment |
| CN211011673U (en) * | 2019-11-15 | 2020-07-14 | 合肥天鹅制冷科技有限公司 | Two-stage cooling and dehumidifying device |
-
2019
- 2019-11-15 CN CN201911116194.0A patent/CN110726189B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970007126A (en) * | 1995-07-10 | 1997-02-21 | 구자홍 | Constant temperature dehumidifier of reheat air conditioner |
| KR100572917B1 (en) * | 2005-01-13 | 2006-04-24 | 한국공조기술개발(주) | Dehumidification and freezing circuit saving power having double cooling construction |
| CN101358760A (en) * | 2008-09-09 | 2009-02-04 | 广东美的电器股份有限公司 | Double-compressor and double-system outdoor machine of air-conditioner |
| CN201522044U (en) * | 2009-10-21 | 2010-07-07 | 山东安赛尔环境控制有限公司 | Dual-system air conditioning unit |
| CN201621785U (en) * | 2010-02-25 | 2010-11-03 | 熊晓强 | Two-stage dehumidifier |
| JP2011230095A (en) * | 2010-04-30 | 2011-11-17 | Orion Machinery Co Ltd | Compressed air dehumidifier and control method for compressed air dehumidifier |
| KR20180019041A (en) * | 2016-08-15 | 2018-02-23 | 주식회사 혜경 | Multi heat pump Refrigeration system |
| CN107062443A (en) * | 2016-12-28 | 2017-08-18 | 冯新华 | Twin-stage dehumidification type temperature-adjustable dehumidifier |
| CN110243096A (en) * | 2019-06-14 | 2019-09-17 | 合肥天鹅制冷科技有限公司 | A kind of dual system refrigeration equipment for military movable square compartment |
| CN211011673U (en) * | 2019-11-15 | 2020-07-14 | 合肥天鹅制冷科技有限公司 | Two-stage cooling and dehumidifying device |
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| Publication number | Publication date |
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| CN110726189A (en) | 2020-01-24 |
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