CN207831532U - A kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit - Google Patents
A kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit Download PDFInfo
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- CN207831532U CN207831532U CN201721221848.2U CN201721221848U CN207831532U CN 207831532 U CN207831532 U CN 207831532U CN 201721221848 U CN201721221848 U CN 201721221848U CN 207831532 U CN207831532 U CN 207831532U
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Abstract
The utility model is related to a kind of independent temperature-humidity control air-conditioning devices based on distributed Fresh air handing unit, it include the indoor unit for being handled indoor return air, to adjust the indoor sensible heat end of indoor temperature, outdoor unit and connecting line, the indoor unit includes the high temperature precooling module return air to be pre-chilled and the low temperature dehumidification module to dehumidify, the interior sensible heat end includes sensible heat end coil pipe, the outdoor unit includes the high-temperature refrigeration device to be connected with high temperature precooling module, to the cryogenic refrigerating unit being connected with low temperature dehumidification module.So, can effectively Fresh air handing demand be met in conjunction with distributed fresh air disposal, and meet indoor temperature and humidity demand for control using independent return air processing unit, sensible heat end-equipment etc., suitable for occasions such as all kinds of public buildings, indoor fresh air processing, temperature and humidity adjustment demand can preferably be met, realize the Effec-tive Function of air-conditioning device.
Description
Technical field
The utility model belongs to energy field more particularly to the one kind in air conditioning apparatus field is based at distributed fresh air
Manage the independent temperature-humidity control air-conditioning device of unit.
Background technology
The regulation process of architecture indoor thermal and humidity environment includes the regulation and control etc. to indoor temperature, humidity, conventional air-conditioning dress
Set usually using single low-temperature receiver come and meanwhile realize regulation and control to temperature, humidity, energy utilization grade can be brought to lose, and can be because
Can not adapt to indoor sensible heat load, humidity load change with time and cannot achieve the Effective Regulation of heat and moisture in the building environment.As one
Kind air conditioner form, independent temperature-humidity control air-conditioning device adjust indoor temperature, humidity respectively using different means:
It undertakes indoor humidity load by being sent into dry air, adjust humidity, Indoor Temperature is adjusted by high temperature cold water or refrigerant etc.
Degree.This air conditioning mode can preferably be completed, to indoor temperature, the adjusting task of humidity, effectively realizing heat and moisture in the building environment
Good energy-saving effect can also be realized while regulation and control.In independent temperature-humidity control air-conditioning device, temperature control task is undertaken
Required high temperature cold water temperature or refrigerant temperature are generally at 16~18 DEG C or so, the at this moment low-temperature receiver evaporation of required compression refrigeration modes
Temperature can be far above the corresponding evaporating temperature of conventional condensation dehumidification mode, and refrigerating plant efficiency can obtain large increase.
The high temperature cold source equipment of existing diversified forms, air dewetting processing unit etc. at present, can meet built in different occasions it is warm and humid
The demand for spending independent control air-conditioning device provides important technology support for the promotion and application of the new device.
Mostly it is by Fresh air handing to relatively dry in the equipment of existing independent temperature-humidity control air-conditioning device and device architecture
State after and with it undertake indoor humidity load, need that unified concentration Fresh air handing device is arranged.At the same time, commercial building
It usually also needs to be sent into a certain amount of outdoor fresh air to meet the health demand of indoor occupant in air-conditioning device.How effectively by room
How to be the major issue for needing to pay close attention in air-conditioning device by Fresh air handing to rational parameter in outer Leads to new breeze room.Normal
It advises in air-conditioning device, is typically designed with the Fresh air handing unit or fresh air/return air processing unit of concentration, is concentrated using cold and hot matchmaker
Fresh air is uniformly processed, is later again delivered to fresh air in the room of end demand using air duct.Fresh air needs in this processing mode
To pass through longer transport path can just send to end room, and fed distance causes conveying fan energy consumption higher farther out.And at me
It in the actual motion of state's commercial building air-conditioning device, is restricted by factors such as operation energy consumptions, the practical fortune of Fresh air handing unit
Row situation is unsatisfactory, and the Fresh air handling units in many buildings are not run, this is but also end room is unable to get effectively
Fresh air supply, Indoor Environmental Condition or Air Quality cannot get effective guarantee.How indoor ring is effectively improved
Border situation, the fresh air demand for meeting personnel as much as possible etc. are needed to be considered during to indoor conveying fresh air important ask
Topic.
From the point of view of background above technology, there has been no the temperature for independently controlling Fresh air handing, temperature, humidity regulation at present
Humidity-independent control air-conditioning device.
Utility model content
The purpose of this utility model is to provide a kind of temperature independently controlling Fresh air handing, temperature, humidity regulation
Humidity-independent control air-conditioning device.
To realize that foregoing purpose, the utility model provide a kind of humiture based on distributed Fresh air handing unit and independently control
Air-conditioning device processed, include the indoor unit for being handled indoor return air, the indoor sensible heat end to adjust indoor temperature,
Outdoor unit and connecting line, the indoor unit include to return air is pre-chilled high temperature precooling module and to what is dehumidified it is low
Warm dehumidification module, the interior sensible heat end include sensible heat end coil pipe, and the outdoor unit includes module is pre-chilled with high temperature
High-temperature refrigeration device, the cryogenic refrigerating unit to be connected with low temperature dehumidification module being connected.
It is equipped with refrigerant as a further improvement of the utility model, the high-temperature refrigeration device includes high-temperature level compression
Machine and air-cooled condenser, the cryogenic refrigerating unit include low-temperature level compressor and air-cooled condenser.
It is air-cooled cold to share one for the high-temperature refrigeration device and cryogenic refrigerating unit as a further improvement of the utility model,
Condenser.
The high-temperature refrigeration device is additionally provided with high-temperature level throttle valve as a further improvement of the utility model, described low
Warm refrigerating plant is additionally provided with low-temperature level throttle valve.
Include as a further improvement of the utility model, high temperature chilled water pump and high temperature equipped with the high-temperature refrigeration device
Handpiece Water Chilling Units, the cryogenic refrigerating unit include cryogenic freezing water pump and low-temperature cold water unit.
The independent temperature-humidity control based on distributed Fresh air handing unit as a further improvement of the utility model,
Air-conditioning device is additionally provided with radiation ceiling, and sensible heat end coil pipe is set on the radiation ceiling.
The independent temperature-humidity control based on distributed Fresh air handing unit as a further improvement of the utility model,
Air-conditioning device is additionally provided with the distributed fresh air treatment system to get in outdoor fresh air.
Distributed fresh air treatment system is equipped with to purify the mistake of outdoor air as a further improvement of the utility model,
Filter, adjusting the heating/cooling device of outside air temperature.
The outdoor unit is shown with for the indoor unit in multiple rooms, interior as a further improvement of the utility model,
Hot end shares.
The utility model advantageous effect:The utility model by be arranged indoor unit for being handled indoor return air,
To adjust indoor sensible heat end, outdoor unit and the connecting line of indoor temperature, the indoor unit includes to return air is pre-
Cold high temperature precooling module and the low temperature dehumidification module to dehumidify, the interior sensible heat end includes sensible heat end coil pipe,
The outdoor unit include to be connected with high temperature precooling module high-temperature refrigeration device, being connected with low temperature dehumidification module
Cryogenic refrigerating unit.So set, a kind of independent temperature-humidity control air-conditioning based on distributed Fresh air handling units of the utility model
Device effectively can meet Fresh air handing demand in conjunction with distributed fresh air disposal, and utilize independent return air processor
Group, sensible heat end-equipment etc. meet indoor temperature and humidity demand for control, are suitable for the occasions such as all kinds of public buildings, can preferably meet
Indoor fresh air processing, temperature and humidity adjustment demand, realize the Effec-tive Function of air-conditioning device.
Description of the drawings
Fig. 1 is a kind of independent temperature-humidity control air-conditioning device schematic diagram I of the utility model.
Fig. 2 is a kind of independent temperature-humidity control air-conditioning device schematic diagram II of the utility model.
Reference numeral:
Module 2 is pre-chilled in distributed 1 high temperature of Fresh air handing unit
3 radiation ceiling 4 of low temperature dehumidification module
5 high-temperature level compressor 6 of sensible heat end coil pipe
6 ' high-temperature level throttle valve 7 of low-temperature level compressor
7 ' air-cooled condenser 8 of low-temperature level throttle valve
9 cryogenic freezing water pump 9 ' of high temperature chilled water pump
10 low-temperature cold water unit 10 ' of high temperature cold water unit
Specific implementation mode
The utility model is described in detail below with reference to specific embodiment shown in the drawings.
Fig. 1 shows the independent temperature-humidity control air-conditioning device schematic diagram I based on distributed Fresh air handing unit 1, by dividing
Cloth Fresh air handing unit 1, indoor unit A (including high temperature precooling module 2, low temperature dehumidification module 3 etc.), indoor sensible heat end are (i.e.
Radiation ceiling 4 and corresponding sensible heat end coil pipe 5 etc.) and outdoor unit B (include high-temperature level compressor 6, low-temperature level compressor 6 ',
High-temperature level throttle valve 7, low-temperature level throttle valve 7 ', air-cooled condenser 8) and connecting line (not labeled) composition.Distributed fresh air
It handles unit 1 to be arranged in the room of end, fresh air is flowed into from the import of distributed Fresh air handing unit 1, is sent into after treatment
It is indoor.According to the variation of Outdoor Air Quality, distributed Fresh air handing unit 1 can realize purification, heating, cooling to fresh air etc.
Processing function, by Fresh air handing to suitable humiture state and purification state.
Join Fig. 1, shown in 2, the outdoor unit shares for the indoor unit in multiple rooms, indoor sensible heat end.
Indoor unit A is for handling indoor return air, and return air first flows through high temperature precooling module 2 and is pre-chilled, later
Low temperature dehumidification module 3 is continued flow through, the state that can undertake indoor humidity load is processed to and is sent back to interior.Due to need to only hold
Indoor dehumidification task is carried on a shoulder pole, processed return air amount very little can significantly reduce air circulation flow.
Indoors in radiation ceiling 4, high temperature refrigerant is passed through sensible heat end coil pipe 5, and refrigerant passes through 4 surface of radiation ceiling
It is adjusted with progress Convection and radiation heat exchange, realization indoor temperatures such as room air, wall surfaces.Refrigerant high temperature be pre-chilled module 2 in
Become steam after return air heat exchange, at the same time flows through the refrigerant of sensible heat end coil pipe 5 after exchanging heat with room air or wall surface
Also become steam, through being flowed by refrigerant line in the high-temperature level compressor 6 of corresponding outdoor unit B after the mixing of two parts steam,
Refrigerant is compressed under the effect of high-temperature level compressor 6, and compressed refrigerant, which enters in air-cooled condenser 8, to be condensed;Similarly,
The refrigerant vapour evaporated in low temperature dehumidification module 3 is flowed into via pipeline in corresponding low-temperature level compressor 6 ', laggard by compressing
Enter and is condensed in air-cooled condenser 8.Condensed refrigerant is flowed out by air-cooled condenser 8, high-temperature level throttle valve 7 and low-temperature level throttling
Valve 7 ' be separately positioned on liquid refrigerant flow back to high temperature precooling module 2, sensible heat end coil pipe 5 and low temperature dehumidification module 3 pipeline
On, refrigerant is respectively allocated to according to demand in high temperature precooling module 2, sensible heat end coil pipe 5 and low temperature dehumidification module 3, is realized
Entire refrigeration cycle.The same air-cooled condenser 8 of two stage compression refrigeration cycle sharing, can give full play to condenser heat exchange area
Effect, helps to realize more preferably refrigeration cycle performance.
Fig. 2 shows the independent temperature-humidity control air-conditioning device schematic diagram II based on distributed Fresh air handing unit 1, by dividing
Cloth Fresh air handing unit 1, indoor unit A (including high temperature precooling module 2, low temperature dehumidification module 3 etc.), indoor sensible heat end are (i.e.
Radiation ceiling 4 and corresponding sensible heat end coil pipe 5 etc.) and outdoor unit A (include high temperature chilled water pump 9, cryogenic freezing water pump 9 ',
High temperature cold water unit 10, low-temperature cold water unit 10 ') etc. compositions.Difference lies in Fig. 2 shown device profits with device shown in Fig. 1
Use cold water as end circulating refrigerant, " cold water " can refer to liquid water, be not limited to water at low temperature.In high temperature chilled water pump 9
The lower high temperature cold water of conveying be sent to high temperature precooling module 2, radiation ceiling 4 sensible heat end coil pipe 5 in, be respectively completed to return air
Precooling treatment and indoor temperature control task, two parts cold-water return are delivered to via cold water pipeline in high temperature cold water unit 10,
High temperature cold water unit 10 is responsible for cooling down to high temperature cold water return water, prepares after high temperature cold water supplies water and is sent again by high temperature chilled water pump 9
Go out.Similarly, low-temperature cold water is sent under the conveying of cryogenic freezing water pump 9 ' in low temperature dehumidification module 3, after exchanging heat with return air
Low-temperature cold water unit 10 ' is flow back into via pipeline, low-temperature cold water unit 10 ' is responsible for cooling down to low-temperature cold water return water, be prepared low
Warm cold water is sent out by cryogenic freezing water pump 9 ' again after supplying water, and realizes entire circulating chilled water.
The utility model proposes a kind of independent temperature-humidity control air-conditioning devices based on distributed Fresh air handling units, by being distributed
Formula Fresh air handing unit 1, indoor sensible heat end, return air dehumidifying unit, air-cooled outdoor unit (include high-temperature level compressor 6, low-temperature level
Compressor 6 ', condenser, throttle valve etc.) or water cooling outdoor unit (comprising high temperature cold water unit 10, low-temperature cold water unit 10 ', freezing
Water pump etc.).The processing such as purification are filtered to outdoor fresh air using distributed Fresh air handing unit 1, meet indoor fresh air need
It asks, and effectively reduces fresh air transport path;Be passed through using high temperature cold water or refrigerant etc. the sensible heats ends such as indoor radiation ceiling 4 come
Indoor sensible heat load is excluded, temperature regulatory demand is met;Dehumidified air is treated using high temperature refrigerant to be pre-chilled, utilize low temperature cold
Matchmaker further dehumidifies to it, realizes more matched air dewetting processing procedure, and meet indoor humidity demand for control, Duo Zhongshe
Standby cooperation meets architecture indoor fresh air, temperature, humidity regulation demand respectively, and common structure is suitable for the warm and humid of all kinds of public buildings
Spend independent control air-conditioning device.
Distributed Fresh air handing unit 1 is arranged in the room of end, and Fresh air handing unit has outdoor fresh air import, interior
Air outlet is handled fresh air using it nearby, substantially shortens fresh air transport path, and fresh air is made more effectively to be sent into people
Member's demand region.According to the variation of Outdoor Air Quality, Fresh air handing unit can realize purification, heating, cooling to fresh air etc.
Processing function will be re-fed into interior after Fresh air handing to suitable humiture state and purification state.
The utility model undertakes humid control task by handling indoor return air, helps that circulation air wind is greatly reduced
Amount.In return air processing procedure, it is pre-chilled first with high temperature cold water or high temperature refrigerant, due to being ratio to air dewetting
Cool down being more difficult to for task, and precooling process can effectively share the load of air humidity processing procedure, reduce the mismatch of dehumidification process
Loss, while as much as possible the efficiency level that cold also contributes to improve entire air-conditioning device is provided using high temperature refrigerant.In advance
Air to be dehumidified after cold further exchanges heat with low-temperature cold water or low temperature refrigerant, is processed to satisfaction and excludes indoor humidity load demand
State.
It builds in room and sensible heat end equipment is used as using radiation ceiling 4, prepared by machine outside water cooling outdoor unit or air-cooling chamber
High temperature cold water or high temperature refrigerant be passed directly into radiation ceiling 4, utilize the radiation of radiation ceiling 4 and peripheral wall surface and air
Heat exchange, heat convection carry out heat exchange, undertake the primary demand of indoor temperature adjusting.Compared with conventional air-conditioning device,
The utility model proposes air-conditioning device high temperature refrigeration unit need to only meet the needs of exclusion indoor sensible heat load, evaporating temperature
15 DEG C or so can be increased to from 5 DEG C or so of conventional power unit, unit efficiency can be largely increased.
In other embodiments, sensible heat end coil pipe 5 may also be disposed on other wall surfaces of room or other positions.
Using refrigerant as when the circulating refrigerant of end, high-temperature level compressor 6 and low-temperature level compressor are set in outdoor unit
6 ' meet the cooling of high-temperature level evaporator and low-temperature level evaporator, dehumidification treatments demand respectively, and refrigerant is in high-temperature level evaporator
Respectively enter corresponding compressor after being evaporated with low-temperature level evaporator and compressed, two compressor operatings under different compression ratios,
Compressed high-pressure refrigerant enters unified air-cooled condenser 8 and condenses, and condensed refrigerant throttles via hiigh pressure stage respectively
Valve and low-pressure stage throttle valve enter in corresponding evaporator, realize cooling, the dehumidification treatments process of two evaporators.Two-stage compressor
Same condenser is shared, condenser heat exchange area is efficiently used, helps to realize more preferably refrigeration cycle performance.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiment of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body illustrates that they are all without departing from made by the utility model skill spirit not to limit the scope of protection of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit, it is characterised in that:Including being used for
Indoor unit that indoor return air is handled, to adjust indoor sensible heat end, outdoor unit and the connecting line of indoor temperature,
The indoor unit includes the high temperature precooling module return air to be pre-chilled and the low temperature dehumidification module to dehumidify, the interior
Sensible heat end includes sensible heat end coil pipe, and the outdoor unit includes being filled to the high-temperature refrigeration being connected with high temperature precooling module
It sets, the cryogenic refrigerating unit to be connected with low temperature dehumidification module.
2. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit according to claim 1,
It is characterized in that:Equipped with refrigerant, the high-temperature refrigeration device includes high-temperature level compressor and air-cooled condenser, the low temperature system
Device for cooling includes low-temperature level compressor and air-cooled condenser.
3. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit according to claim 2,
It is characterized in that:The high-temperature refrigeration device and cryogenic refrigerating unit share an air-cooled condenser.
4. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit according to claim 2,
It is characterized in that:The high-temperature refrigeration device is additionally provided with high-temperature level throttle valve, and the cryogenic refrigerating unit is additionally provided with low-temperature level section
Flow valve.
5. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit according to claim 1,
It is characterized in that:Include high temperature chilled water pump and high temperature cold water unit, the cryogenic refrigeration dress equipped with the high-temperature refrigeration device
It sets including cryogenic freezing water pump and low-temperature cold water unit.
6. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit according to claim 1,
It is characterized in that:The independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit is additionally provided with radiation ceiling,
Sensible heat end coil pipe is set on the radiation ceiling.
7. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit according to claim 1,
It is characterized in that:The independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit is additionally provided with to will be outdoor
The distributed fresh air treatment system that fresh air is got in.
8. a kind of independent temperature-humidity control air-conditioning device based on distributed Fresh air handing unit according to claim 7,
It is characterized in that:The distribution fresh air treatment system is equipped with to purify the filter of outdoor air, to regulation room outer space
The heating/cooling device of temperature degree.
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Cited By (1)
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CN107747776A (en) * | 2017-09-21 | 2018-03-02 | 北京同衡能源环境科学研究院有限公司 | A kind of independent temperature-humidity control air-conditioning device and its processing method based on distributed Fresh air handing unit |
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2017
- 2017-09-21 CN CN201721221848.2U patent/CN207831532U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107747776A (en) * | 2017-09-21 | 2018-03-02 | 北京同衡能源环境科学研究院有限公司 | A kind of independent temperature-humidity control air-conditioning device and its processing method based on distributed Fresh air handing unit |
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