CN208042389U - A kind of heat pump fresh air combined system solving winter Humidification problem - Google Patents
A kind of heat pump fresh air combined system solving winter Humidification problem Download PDFInfo
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- CN208042389U CN208042389U CN201721901521.XU CN201721901521U CN208042389U CN 208042389 U CN208042389 U CN 208042389U CN 201721901521 U CN201721901521 U CN 201721901521U CN 208042389 U CN208042389 U CN 208042389U
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Abstract
The utility model discloses a kind of heat pump fresh air combined system solving winter Humidification problem, it is characterised in that：Including heat pump and Fresh air handling units, heat pump includes compressor, condenser, four-way valve, First Heat Exchanger, the first expansion valve and the second expansion valve；Fresh air handling units include the preprocessor and the second heat exchanger set gradually on air inlet direction；The outlet of compressor and the D mouths of four-way valve connect, the C mouths of four-way valve are connect with condenser, condenser is connect with the first expansion valve, first expansion valve is connect with First Heat Exchanger and the second expansion valve, second expansion valve is connect with the second heat exchanger, second heat exchanger and First Heat Exchanger are connect with the E of four-way valve mouths, and the S mouths of four-way valve are connect with the entrance of compressor.The utility model cancels the compressor of Fresh air handling units, and humidification part is incorporated in heat pump, is humidified to fresh air using the compressor of heat pump, winter Humidification problem is solved.
Description
Technical field
The utility model belongs to air-conditioning technical field, and in particular to a kind of heat pump fresh air group solving winter Humidification problem
Collaboration is united.
Background technology
In recent years, the development of ceiling radiation air-conditioning system is swift and violent, and ceiling radiation system uses heat pump and individual fresh air at present
Dehumidify unit.But the Fresh air handling units of such mode need individual compressor, winter Humidification problem to be difficult to solve.To solve this
Problem, existing heat pump and Fresh air handling units are respectively arranged with compressor, and Fresh air handling units size is big, takes up a large area, and installation is inconvenient,
And compressor noise is big, excessive season energy-output ratio is big.
Utility model content
Purpose of utility model：For the deficiencies in the prior art, the utility model provides a kind of solution winter humidification
The heat pump fresh air combined system of problem.
Technical solution：To achieve the above object, the utility model uses following technical scheme：
A kind of heat pump fresh air combined system solving winter Humidification problem, it is characterised in that：Including heat pump and new wind turbine
Group, heat pump include compressor, condenser, four-way valve, First Heat Exchanger, the first expansion valve and the second expansion valve；Fresh air handling units packet
Include the preprocessor and the second heat exchanger set gradually on air inlet direction；The outlet of compressor and the D mouths of four-way valve connect, and four
The C mouths of port valve are connect with condenser, and condenser is connect with the first expansion valve, the first expansion valve and First Heat Exchanger and the second expansion
Valve connects, and the second expansion valve is connect with the second heat exchanger, and the second heat exchanger and First Heat Exchanger are connect with the E of four-way valve mouths,
The S mouths of four-way valve are connect with the entrance of compressor.
Preferably, being respectively arranged with chilled(cooling) water return (CWR) in First Heat Exchanger and preprocessor.
Preferably, first expansion valve and the second expansion valve are electric expansion valve.
Preferably, the First Heat Exchanger is plate heat exchanger.
Preferably, second heat exchanger is evaporator.
Advantageous effect：Compared with prior art, the utility model has the following advantages：
The utility model on the basis of existing technology, cancels the compressor of Fresh air handling units, and humidification part is incorporated to heat pump
It is interior, fresh air is humidified using the compressor of heat pump, solves winter Humidification problem, increases air-supply wind-warm syndrome, profit using heat pump
Wind-warm syndrome is adjusted with the second expansion valve.And the switching that can be freezed and be heated.The heat pump and Fresh air handling units of the utility model
A compressor is shared, unit COP is improved, has many advantages, such as that economical environment-protective, floor space are small, reduce Fresh air handling units noise.
Description of the drawings
Fig. 1 is Tthe utility model system schematic diagram.
Specific implementation mode
The utility model is furtherd elucidate with reference to specific attached drawing, present embodiment is with the utility model technology
Implemented under premised on scheme, it should be understood that these modes are merely to illustrate the utility model rather than limitation the utility model
Range.
As shown in Figure 1, the utility model embodiment provides a kind of heat pump fresh air combination solving winter Humidification problem
System, the system include heat pump 1 and Fresh air handling units 2, and heat pump 1 includes compressor 3, condenser 4, four-way valve 5, First Heat Exchanger 6,
First expansion valve 7 and the second expansion valve 8；Fresh air handling units 2 include that the preprocessor 9 and second set gradually on air inlet direction changes
Hot device 10；The outlet of compressor 3 is connect with the D of four-way valve 5 mouths, and the C mouths of four-way valve 5 are connect with condenser 4, condenser 4 and
One expansion valve 7 connects, and the first expansion valve 7 is connect with First Heat Exchanger 6 and the second expansion valve 8, the heat exchange of the second expansion valve 8 and second
Device 10 connects, and the second heat exchanger 10 and First Heat Exchanger 6 are connect with the E of four-way valve 5 mouths, S mouths and the compressor 3 of four-way valve 5
Entrance connection.Be respectively arranged with chilled(cooling) water return (CWR) in First Heat Exchanger 6 and preprocessor 9, chilled(cooling) water return (CWR) include water outlet and
Return water realizes cooling water circulation by water pipe 12.
For the ease of realizing that automatic temperature-adjusting control, the first expansion valve 7, the second expansion valve 8 preferably use electric expansion valve.
In order to improve heat exchange efficiency, First Heat Exchanger 6 preferably uses plate heat exchanger, the second heat exchanger 10 to use evaporator.
Further include control device, wind pushing temperature sensor and blasting humidity sensor, control device to temperature sensor and
The data acquisition of humidity sensor calculates, and sends out regulating command to electric expansion valve, drives the action of electric expansion valve, changes electricity
The aperture of sub- expansion valve.
The air inlet of Fresh air handling units is provided with filter device 11, filter device 11 includes primary efficient filter screen, high efficiency filter
Net is filtered the particulate matter in air.
The operation principle of the utility model is as follows：
Cooling in summer dehumidification process：
(1) heat pump：Compressor 3 compresses C mouth of the refrigerant through four-way valve 5 and is condensed into condenser 4, using first
Expansion valve 7 throttles, and converges into First Heat Exchanger 6 with the refrigerant come out from condenser 4 and freezes, most afterwards through E, S mouthfuls of four-way valve
Return to compressor 3；
(2) new wind turbine：The preprocessed precooling of device 9 dehumidifying of fresh air, dehumidifies using the second heat exchanger 10, the second heat exchanger 5
Effect on moisture extraction is determined by the aperture of the second expansion valve 8.
Winter heating's humidification：
(1) heat pump：5 energization of four-way valve acts, and piston moves to the right under the effect of the pressure, and D is communicated with E, compressor 3
It compresses E mouth of the refrigerant through four-way valve 5 and condenses heat release into First Heat Exchanger 6, heat cold water, and from the second expansion valve 8
Refrigerant interflow after throttling, throttles using the first expansion valve 7, absorbs heat into condenser 4, C, S mouth most afterwards through four-way valve 5
Return to compressor 3；
(2) new wind turbine：The preprocessed device 9 of fresh air preheats, using the second further heating of heat exchanger 10, the second heat exchange
5 heating temperature of device is determined by the aperture of the second expansion valve 8, if 10 heating temperature of the second heat exchanger is excessively high to open third expansion valve
8 carry out cooling appropriate, and the amplitude of cooling is determined by the aperture of the second expansion valve 8.
Transition season：
It can be adjusted according to the aperture of the second expansion valve of parameter pair 8 of user setting.
The utility model on the basis of existing technology, cancels the compressor of Fresh air handling units, and humidification part is incorporated to heat pump
It is interior, fresh air is humidified using the compressor of heat pump, solves winter Humidification problem, increases air-supply wind-warm syndrome, profit using heat pump
Wind-warm syndrome is adjusted with the second expansion valve.And the replacement that can be freezed and be heated.
The heat pump of the utility model shares a compressor with Fresh air handling units, improves unit COP, has economical environment-protective, accounts for
Ground area is small, reduces the advantages that Fresh air handling units noise.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of heat pump fresh air combined system solving winter Humidification problem, it is characterised in that：Including heat pump and Fresh air handling units,
The heat pump includes compressor, condenser, four-way valve, First Heat Exchanger, the first expansion valve and the second expansion valve；The new wind turbine
Group includes the preprocessor and the second heat exchanger set gradually on air inlet direction；The outlet of compressor and the D mouths of four-way valve are even
It connects, the C mouths of four-way valve are connect with condenser, and condenser is connect with the first expansion valve, the first expansion valve and First Heat Exchanger and the
Two expansion valves connect, and the second expansion valve connect with the second heat exchanger, the second heat exchanger and First Heat Exchanger with the E of four-way valve mouths
Connection, the S mouths of four-way valve are connect with the entrance of compressor.
2. the heat pump fresh air combined system according to claim 1 for solving winter Humidification problem, it is characterised in that：It is described
It is respectively arranged with chilled(cooling) water return (CWR) in First Heat Exchanger and preprocessor.
3. the heat pump fresh air combined system according to claim 1 for solving winter Humidification problem, which is characterized in that described
First expansion valve and the second expansion valve are electric expansion valve.
4. the heat pump fresh air combined system according to claim 2 for solving winter Humidification problem, it is characterised in that：It is described
First Heat Exchanger is plate heat exchanger.
5. the heat pump fresh air combined system according to claim 1 for solving winter Humidification problem, it is characterised in that：It is described
Second heat exchanger is evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901521.XU CN208042389U (en) | 2017-12-29 | 2017-12-29 | A kind of heat pump fresh air combined system solving winter Humidification problem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901521.XU CN208042389U (en) | 2017-12-29 | 2017-12-29 | A kind of heat pump fresh air combined system solving winter Humidification problem |
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| Publication Number | Publication Date |
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| CN208042389U true CN208042389U (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721901521.XU Active CN208042389U (en) | 2017-12-29 | 2017-12-29 | A kind of heat pump fresh air combined system solving winter Humidification problem |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692652A (en) * | 2020-06-09 | 2020-09-22 | 广东美的制冷设备有限公司 | Temperature and humidity adjusting system and air conditioner humidity control method |
-
2017
- 2017-12-29 CN CN201721901521.XU patent/CN208042389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692652A (en) * | 2020-06-09 | 2020-09-22 | 广东美的制冷设备有限公司 | Temperature and humidity adjusting system and air conditioner humidity control method |
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