CN210441351U - Frequency conversion fresh air dehumidifier for radiation air-conditioning system - Google Patents
Frequency conversion fresh air dehumidifier for radiation air-conditioning system Download PDFInfo
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- CN210441351U CN210441351U CN201920845527.2U CN201920845527U CN210441351U CN 210441351 U CN210441351 U CN 210441351U CN 201920845527 U CN201920845527 U CN 201920845527U CN 210441351 U CN210441351 U CN 210441351U
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Abstract
The utility model discloses a radiation is frequency conversion new trend dehumidifier for air conditioning system, this new trend dehumidifier includes: one end of the fresh air channel is an outdoor fresh air inlet, and the other end of the fresh air channel is an indoor fresh air outlet; one end of the air exhaust channel is an indoor air exhaust inlet, and the other end of the air exhaust channel is an outdoor air exhaust outlet; the fresh air channel and the exhaust channel carry out non-contact heat exchange through a heat exchanger; at least one of the fresh air channel and the exhaust channel is provided with a fan; the fixed-frequency fluorine system comprises a fixed-frequency fluorine system evaporator and a fixed-frequency fluorine system outdoor unit; the fixed-frequency fluorine system evaporator is arranged in the fresh air channel, and the fixed-frequency fluorine system outdoor unit is connected with the fixed-frequency fluorine system evaporator. The utility model has the advantages that: the dehumidification device can perform good dehumidification under the non-refrigeration working condition of the capillary radiation air-conditioning system or under the condition that chilled water of the capillary radiation air-conditioning system cannot be obtained, and has good stability of dehumidification effect and high control precision.
Description
Technical Field
The utility model belongs to the air conditioning system field specifically is a frequency conversion new trend dehumidifier for radiation air conditioning system.
Background
In the capillary radiation air conditioning system, because the capillary for realizing heat radiation is laid on the top, the bottom or the wall of a room, under the refrigeration working condition, water vapor in the air is easy to condense on the top, the bottom or the wall surface of the room, and the condensation phenomenon is formed. The condensation phenomenon can cause damage to buildings and needs to be avoided. The capillary radiation air conditioning system does not have the dehumidification function of the traditional compressor air conditioner due to the working principle of the capillary radiation air conditioning system, and special dehumidification equipment is required to be additionally assembled to solve the condensation problem. Chinese patent document CN104329759A discloses "a fresh air temperature control and dehumidification system and a temperature control and dehumidification method for a radiant air conditioner" in 2015, 2 months and 4 days, which includes an air duct system, a radiant water circulation system and a refrigeration system. The air duct system comprises an independent fresh air and return air treatment air duct and an independent exhaust heat recovery air duct; the pre-cooling preheater and the temperature control heat exchanger are both integral corrugated fin type internal thread coil pipes and are connected with a radiant water inlet/outlet pipeline to form a radiant water circulating system; the refrigeration compression system adopts a one-stage evaporator for direct evaporation, and two stages of condensers are connected in parallel at the same stage to realize double-section condensation. The applicant declares that the invention can realize independent temperature and humidity control by combining with a radiation air conditioner, has the function of heat recovery of exhaust air besides the heat and humidity processing function of a conventional dehumidification system, and combines a compression refrigeration household air conditioner with the dehumidification system to realize refrigeration in summer, heating in winter and dehumidification in transition seasons; greatly reduces the operation energy consumption and solves the defects that the radiation air conditioner can not dehumidify and is easy to dewfall. The existing radiation air conditioner fresh air dehumidifying unit mostly adopts a double-cold-source system design, namely, fresh air is firstly subjected to primary dehumidification by a freezing water coil of a radiation air conditioner, and then is subjected to secondary deep dehumidification by a fluorine system coil. However, due to the diversity of the house building forms, chilled water is inconvenient to introduce at the positions where the fresh air dehumidifier units are installed under many conditions, so that the application of the double-cold-source fresh air dehumidifier is limited.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model provides a frequency conversion new trend dehumidifier for radiation air conditioning system can be in can't acquire fine dehumidification under the condition of refrigerated water, and the stability of dehumidification effect is better moreover, control accuracy is high.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: the utility model provides a radiation is frequency conversion new trend dehumidifier for air conditioning system, this new trend dehumidifier includes:
one end of the fresh air channel is an outdoor fresh air inlet, and the other end of the fresh air channel is an indoor fresh air outlet;
one end of the air exhaust channel is an indoor air exhaust inlet, and the other end of the air exhaust channel is an outdoor air exhaust outlet;
the fresh air channel and the exhaust channel carry out non-contact heat exchange through a heat exchanger;
at least one of the fresh air channel and the exhaust channel is provided with a fan;
the fixed-frequency fluorine system comprises a fixed-frequency fluorine system evaporator and a fixed-frequency fluorine system outdoor unit;
the fixed-frequency fluorine system evaporator is arranged in the fresh air channel, and the fixed-frequency fluorine system outdoor unit is connected with the fixed-frequency fluorine system evaporator.
In the technical scheme, a fresh air channel and an exhaust channel which are independent from each other are designed, the fresh air channel conveys outdoor fresh air from the outdoor to the indoor, and the exhaust channel exhausts indoor turbid air from the indoor to the outdoor. At least one of the fresh air channel and the exhaust channel is provided with a fan. When the indoor space is relatively sealed, the fresh air channel and the exhaust channel can be synchronously driven by air by using only one fan; if the indoor sealing is not good, the fan is designed for both the fresh air channel and the exhaust channel. The fresh air channel and the exhaust channel carry out non-contact heat exchange through the heat exchanger, and energy loss can be reduced under the refrigeration working condition. The fixed-frequency fluorine system comprises a fixed-frequency fluorine system evaporator and a fixed-frequency fluorine system outdoor unit, the structure and the function of the fixed-frequency fluorine system evaporator are basically similar to those of a traditional compressor type fixed-frequency air conditioner, and the fixed-frequency fluorine system evaporator is equivalent to an indoor unit of the fixed-frequency air conditioner. Through the refrigeration work of the fixed-frequency fluorine system, fresh air is effectively dehumidified after passing through the evaporator of the fixed-frequency fluorine system, so that the dehumidifier can independently dehumidify without depending on chilled water, the working condition meets the working requirement under special meteorological conditions represented by plum rain seasons or the requirement of working under the condition that the chilled water cannot be supplied due to the limitation of building conditions, and the application time and space range of the capillary radiation air-conditioning system are greatly popularized.
Preferably, a variable-frequency fluorine system is further arranged, and comprises a variable-frequency fluorine system evaporator and a variable-frequency fluorine system outdoor unit connected with the variable-frequency fluorine system evaporator; the variable-frequency fluorine system evaporator is arranged on the upstream side of the fixed-frequency fluorine system evaporator. Similar to the fixed-frequency fluorine system, the variable-frequency fluorine system comprises a variable-frequency fluorine system evaporator and a variable-frequency fluorine system outdoor unit, the structure and the function of the variable-frequency fluorine system evaporator are basically similar to those of a traditional compressor type variable-frequency air conditioner, and the variable-frequency fluorine system evaporator is equivalent to an indoor unit of the variable-frequency air conditioner. During dehumidification operation, fresh air from the outdoor continues to perform secondary heat exchange with the variable-frequency fluorine system evaporator after performing primary heat exchange with the exhaust channel, so as to further reduce the temperature, and the purpose is to perform primary dehumidification and reduce the dehumidification workload of the downstream side constant-frequency fluorine system. Because the temperature of the fresh air after the second heat exchange is basically constant, the dehumidification operation of the downstream-side fixed-frequency fluorine system can work constantly, the air supply state of the dehumidified air and the continuous start and stop of a refrigeration system caused by the influence of fluctuation of the temperature of the object are not needed, the energy is saved, and the service life of the fixed-frequency fluorine system is prolonged. And the frequency conversion fluorine system on the upstream side can automatically adjust the frequency according to the working strength of dehumidification operation, thereby playing the roles of energy conservation and consumption reduction.
Preferably, the constant-frequency fluorine system further comprises a constant-frequency fluorine system indoor side condenser, and the constant-frequency fluorine system indoor side condenser is positioned at the downstream side of the constant-frequency fluorine system evaporator. The indoor condenser of the constant-frequency fluorine system is also a part of the constant-frequency fluorine system, is equivalent to a part of pipelines and radiators of the traditional compressor constant-frequency air conditioner outdoor unit, is equivalent to the function of the traditional compressor constant-frequency air conditioner outdoor unit, and mainly carries out heat exchange through the radiators. The indoor condenser of the constant-frequency fluorine system designed in the scheme can be directly separated from an outdoor unit of the constant-frequency fluorine system, and can also be independently assembled and connected to the constant-frequency fluorine system.
Preferably, the heat exchanger is provided with a primary filter. The primary filter is used for protecting the heat exchanger, and primary filtering is carried out on fresh air, so that dust and impurities in the fresh air are reduced.
Preferably, the front end of the indoor fresh air outlet is provided with a medium-efficiency filter. The main purpose of the medium-high efficiency filter is to further purify fresh air, which is beneficial to the health of indoor people.
Preferably, a bypass air channel is arranged between the downstream section of the heat exchanger of the fresh air channel and the upstream section of the heat exchanger of the exhaust channel, and an air supplement valve is arranged on the bypass air channel. The controller can be opened or closed according to the indoor CO2 concentration, so that the introduced amount of fresh air is accurately controlled, and the purposes of energy conservation and emission reduction are achieved.
To sum up, the beneficial effects of the utility model are that: the dehumidification device can perform good dehumidification under the non-refrigeration working condition of the capillary radiation air-conditioning system or under the condition that chilled water of the capillary radiation air-conditioning system cannot be obtained, and has good stability of dehumidification effect and high control precision.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1 outdoor fresh air inlet, 2 indoor fresh air outlet, 3 indoor exhaust inlet, 4 outdoor exhaust outlet, 5 heat exchanger, 6 fan, 7 fixed frequency fluorine system evaporator, 81 fixed frequency fluorine system outdoor machine, 82 variable frequency fluorine system outdoor machine, 9 variable frequency fluorine system evaporator, 10 fixed frequency fluorine system indoor side condenser, 11 primary filter, 12 middle high efficiency filter, 13 air supplement valve;
the arrows indicate the direction of airflow.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
The embodiment shown in fig. 1 is a variable-frequency fresh air dehumidifier for a radiation air-conditioning system, which is used in a capillary radiation air-conditioning system in a matching way. The left side in the figure is the outdoor direction and the right side is the indoor direction.
The variable-frequency fresh air dehumidifier for the radiation air-conditioning system comprises a fresh air channel and an exhaust channel, wherein the fresh air channel flows from a left lower outdoor fresh air inlet 1 to a right upper indoor fresh air outlet 2, the exhaust channel flows from a right lower indoor exhaust air inlet 3 to a left upper outdoor exhaust air outlet 4, and fans 6 are arranged in the two channels. The fresh air channel and the exhaust channel carry out non-contact heat exchange through the heat exchanger 5 on the left side.
In the fresh air channel, a variable frequency fluorine system evaporator 9, a fixed frequency fluorine system evaporator 7 and a fixed frequency fluorine system indoor side condenser 10 are arranged in sequence from the upstream to the downstream. The variable frequency fluorine system evaporator is connected with a variable frequency fluorine system outdoor unit 82, and the fixed frequency fluorine system evaporator and the fixed frequency fluorine system indoor side condenser are respectively connected with a fixed frequency fluorine system outdoor unit 81. The fixed frequency fluorine system evaporator, the fixed frequency fluorine system indoor side condenser and the fixed frequency fluorine system outdoor machine all belong to the components of the fixed frequency fluorine system. The fixed-frequency fluorine system is an improved structure based on a compressor type fixed-frequency air conditioner, an evaporator of the fixed-frequency fluorine system is equivalent to an indoor unit of the compressor type fixed-frequency air conditioner, an outdoor unit of the fixed-frequency fluorine system is equivalent to an outdoor unit of the compressor type fixed-frequency air conditioner, and an indoor condenser of the fixed-frequency fluorine system is provided with corresponding pipelines and radiators and is equivalent to a part of outdoor units of the compressor type fixed-frequency air conditioner. Similarly, the variable frequency fluorine system evaporator and the variable frequency fluorine system outdoor unit belong to the components of the variable frequency fluorine system. The frequency conversion fluorine system is an improved structure based on a compressor type frequency conversion air conditioner, an evaporator of the frequency conversion fluorine system is equivalent to an indoor unit of the compressor type frequency conversion air conditioner, and an outdoor unit of the frequency conversion fluorine system is equivalent to an outdoor unit of the compressor type frequency conversion air conditioner.
The heat exchanger is provided with a primary filter 11, and the front end of the indoor fresh air outlet is provided with a medium-efficiency filter 12.
A bypass air channel is arranged between the downstream section of the heat exchanger of the fresh air channel and the upstream section of the heat exchanger of the exhaust channel, and an air supplement valve 13 is arranged on the bypass air channel.
When the capillary radiation air-conditioning system is in a refrigerating working condition, indoor air is exhausted outdoors through the exhaust channel, and primary heat exchange is carried out on the heat exchanger and fresh air in the fresh air channel. And the fresh air continuously flows indoors, secondary heat exchange is carried out at the evaporator of the variable-frequency fluorine system, the temperature of the fresh air is stabilized to be close to the indoor target temperature, and preliminary dehumidification is completed. And then, carrying out third heat exchange on the fixed-frequency fluorine system evaporator, wherein the heat exchange is also the second dehumidification, and the humidity of the fresh air can be adjusted to the target through the dehumidification. The dehumidified fresh air continuously flows indoors, the last heat exchange is carried out at the condenser at the indoor side of the constant-frequency fluorine system, and the temperature of the dehumidified fresh air is heated to be close to the indoor target temperature through the heat exchange. Through the whole process, outdoor fresh air is dehumidified and cooled and then is input indoors, and indoor requirements are met.
The variable-frequency fresh air dehumidifier for the radiation air-conditioning system of the embodiment has the advantages that when the outdoor temperature is proper but the humidity is large, the capillary radiation air-conditioning system does not work, and cold water cannot be provided for the heat exchange water coil. At the moment, outdoor fresh air is cooled and dehumidified only through the fixed-frequency fluorine system evaporator, and then is heated through the fixed-frequency fluorine system indoor condenser, and then can be input indoors. Or when the chilled water of the capillary radiation air-conditioning system cannot be utilized for dehumidification due to the limitation of the building, the scheme can also obtain a good dehumidification effect.
Claims (5)
1. The utility model provides a radiation is frequency conversion new trend dehumidifier for air conditioning system which characterized by, this new trend dehumidifier includes:
one end of the fresh air channel is an outdoor fresh air inlet (1), and the other end of the fresh air channel is an indoor fresh air outlet (2);
one end of the air exhaust channel is an indoor air exhaust inlet (3), and the other end of the air exhaust channel is an outdoor air exhaust outlet (4);
the fresh air channel and the exhaust channel carry out non-contact heat exchange through a heat exchanger (5);
at least one of the fresh air channel and the exhaust air channel is provided with a fan (6);
the fixed frequency fluorine system comprises a fixed frequency fluorine system evaporator (7) and a fixed frequency fluorine system outdoor unit (81);
the fixed-frequency fluorine system evaporator is arranged in the fresh air channel, and the fixed-frequency fluorine system outdoor unit is connected with the fixed-frequency fluorine system evaporator;
the system is also provided with a variable-frequency fluorine system, and the variable-frequency fluorine system comprises a variable-frequency fluorine system evaporator (9) and a variable-frequency fluorine system outdoor unit (82) connected with the variable-frequency fluorine system evaporator; the variable-frequency fluorine system evaporator is arranged on the upstream side of the fixed-frequency fluorine system evaporator.
2. The variable-frequency fresh air dehumidifier for the radiation air-conditioning system as claimed in claim 1, wherein the constant-frequency fluorine system further comprises a constant-frequency fluorine system indoor side condenser (10), and the constant-frequency fluorine system indoor side condenser is positioned at the downstream side of the constant-frequency fluorine system evaporator.
3. The variable-frequency fresh air dehumidifier for the radiation air-conditioning system as claimed in claim 1 or 2, wherein the heat exchanger is provided with a primary filter (11).
4. The variable-frequency fresh air dehumidifier for the radiation air-conditioning system as claimed in claim 1 or 2, wherein the front end of the indoor fresh air outlet is provided with a medium-high efficiency filter (12).
5. The variable-frequency fresh air dehumidifier for the radiation air-conditioning system as claimed in claim 1 or 2, wherein a bypass air duct is arranged between the downstream section of the heat exchanger of the fresh air channel and the upstream section of the heat exchanger of the exhaust air channel, and an air supplement valve (13) is arranged on the bypass air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845527.2U CN210441351U (en) | 2019-06-05 | 2019-06-05 | Frequency conversion fresh air dehumidifier for radiation air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845527.2U CN210441351U (en) | 2019-06-05 | 2019-06-05 | Frequency conversion fresh air dehumidifier for radiation air-conditioning system |
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| Publication Number | Publication Date |
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| CN210441351U true CN210441351U (en) | 2020-05-01 |
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| CN201920845527.2U Active CN210441351U (en) | 2019-06-05 | 2019-06-05 | Frequency conversion fresh air dehumidifier for radiation air-conditioning system |
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| CN (1) | CN210441351U (en) |
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Address after: Building 1-8, No. 22 Hengyi Street, Tangqi Town, Linping District, Hangzhou City, Zhejiang Province, 311103 Patentee after: Zhejiang Oulun Electric Co.,Ltd. Address before: 311100 No.17 tangmei Road, Yuhang Economic Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG OULUN ELECTRIC Co.,Ltd. |