CN203518084U - Dehumidifying and temperature-adjusting air-cooled unit - Google Patents

Dehumidifying and temperature-adjusting air-cooled unit Download PDF

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Publication number
CN203518084U
CN203518084U CN201320532549.6U CN201320532549U CN203518084U CN 203518084 U CN203518084 U CN 203518084U CN 201320532549 U CN201320532549 U CN 201320532549U CN 203518084 U CN203518084 U CN 203518084U
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CN
China
Prior art keywords
cooled
water
air
cooled condenser
compressor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320532549.6U
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Chinese (zh)
Inventor
陈斌
季正峰
邓长权
许永峰
赵贝
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Hefei Swan Refrigeration Technology Co Ltd
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Hefei Swan Refrigeration Technology Co Ltd
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Priority to CN201320532549.6U priority Critical patent/CN203518084U/en
Application granted granted Critical
Publication of CN203518084U publication Critical patent/CN203518084U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a dehumidifying and temperature-adjusting air-cooled unit. The air-cooling unit comprises a compressor, a refrigerant outlet of the compressor is connected with one end of an air-cooled condenser and one end of a water-cooled evaporator through a four-way reversing valve, the other end of the air-cooled condenser is connected with a first adjusting valve through a water-cooled condenser, and the first adjusting valve is communicated with the water-cooled evaporator; the water-cooled evaporator is communicated with the air-cooled condenser through a pipeline, and a second adjusting valve is arranged on the pipeline. While having the refrigerating and heating functions, the dehumidifying and temperature-adjusting air-cooled unit further can provide hot water or cold water, due to the fact that the air-cooled condenser is connected with the water-cooled condenser in series, the temperature-adjusting purpose is achieved, the defect that the temperature of supplied air, after being dehumidified, in an area high in humidity is low is overcome, and energy consumption is reduced.

Description

A kind of air-cooled unit of dehumidification and temperature adjustment
Technical field
The utility model relates to a kind of air-cooled unit, specifically relates to a kind of air-cooled unit of realizing dehumidifying, temperature adjustment.
Background technology
Air-cooled unit is to take air as cold (heat) source, take water as cooling (heat) medium, integrate refrigeration, heat-production functions, be a kind of air-conditioning equipment of cold (heat) source dual-purpose type, it adopts microcomputerized control technology according to temperature, to realize a tractor serves several purposes function of cooling in summer, warming.Can be widely used in the central air conditioner system of the public places such as hotel, market, office building.
Some areas in China, especially be positioned at coastal high altitude localities, its weather and interior have obvious difference, weather is rendered as: in summer and transition season, be that the high environment temperature of humidity is not high, although the bigger than normal but climatic characteristic that environment temperature is on the low side of relative humidity in the winter time.At the needed central air-conditioning air-cooled unit of these regional heavy constructions, it is to need to provide heating and hot water in its main task, winter that dehumidifying in summer adds rewarming.
The air-cooled unit of current conventional central air-conditioning, normally summer cooling water, Winter heat supply water, it can not solve air conditioner surroundings air-supply temperature drawback on the low side after dehumidifying in the high area of temperature, in these air-conditioning occasions, just need to additionally install additional objective capacity electric heater, by extra power consumption, realize intensification function, energy consumption is large and use cost is high.Therefore a kind of hot and cold water unit that the present invention proposes can well overcome the above problems.
Utility model content
The utility model will solve above-mentioned deficiency exactly, and a kind of air-cooled unit that is applicable to high humidity normal temperature area is provided, and can fully utilize the energy, reaches the function when freezing, heating with dehumidifying and temperature adjustment.
In order to reach above-mentioned effect, the utility model provides a kind of air-cooled unit of dehumidification and temperature adjustment, comprise compressor, the refrigerant outlet of described compressor is communicated with one end of water-cooled evaporimeter with air-cooled condenser respectively by four-way change-over valve, the other end of described air-cooled condenser is connected with the first control valve by water-cooled condenser, and described the first control valve is communicated with water-cooled evaporimeter; One end of described water-cooled evaporimeter is communicated with air-cooled condenser by pipeline, and its pipeline is provided with the second control valve.
Further, the port of export of described water-cooled condenser is provided with fluid reservoir and device for drying and filtering successively, and the arrival end of described fluid reservoir is also connected with water-cooled evaporimeter, and the port of export of device for drying and filtering is communicated with the first control valve, the second control valve respectively.
Further, between described water-cooled condenser and fluid reservoir, be provided with the first check valve; Between water-cooled evaporimeter and fluid reservoir, be provided with to be provided with between the 4th check valve, device for drying and filtering and the second control valve and between the second check valve, device for drying and filtering and the first control valve, be provided with the 3rd check valve.Facilitated the switching of several operational modes of air-cooled unit, the string fluorine phenomenon while being conducive to prevent from switching, guarantees the normal work of unit.
Further, the port of export of described device for drying and filtering is connected with liquid-sighting glass.
Further, described compressor is for can unload compressor.
Further, the inside of described air-cooled condenser is provided with the condensation fan of adjustable air volume.
Further, the arrival end of described compressor is provided with gas-liquid separator.
The water lines of described water-cooled condenser is provided with heat-exchanger pump, and the water lines of water-cooled evaporimeter is provided with water supply pump.
Air-cooled unit of the present utility model utilizes air ambient as cold (heat) source, has overcome the drawback that water easily freezes as cold (heat) source, can use in vast temperate climate area.The water lines of the water-cooled condenser of air-cooled unit is provided with heat-exchanger pump, and the water lines of water-cooled evaporimeter is provided with water supply pump, for air conditioning terminal (normally two control fan coils) provides cold (heat) water.
Air-cooled unit of the present utility model is mainly the object that realizes temperature adjustment at air-cooled condenser one end water-cooled condenser of series connection.Be that this refrigeration system is provided with two groups of condensers, solve humidity high area air-supply temperature drawback on the low side after dehumidifying, and do not need additionally to increase electric heater, do not heat up, thereby reduced energy consumption and reduced use cost.Air-cooled condenser and water-cooled condenser adopt and are connected in series with simplied system structure, i.e. during condensation, cold-producing medium flows through air cooling heat exchanger and water-cooled condenser successively, improves the effect of condensation simultaneously, make two condensers being similar to condensation under same pressure during design.
The air-cooled unit course of work of the present utility model:
Kind of refrigeration cycle: after refrigeration working medium is compressed by compressor, first through four-way change-over valve, flow into air-cooled condenser, can be by part or fully heat radiation, flow into water-cooled condenser again and continue as required heat radiation, condensed liquid working substance enters first throttle valve after fluid reservoir, device for drying and filtering, enters water-cooled evaporimeter after its throttling, be evaporated to low pressure gaseous state, through four-way change-over valve, by compressor, sucked again, continued compression, with this, circulate and form refrigeration.
Heat circulation: refrigeration working medium during refrigeration system operation first flows into water-cooled evaporimeter through four-way change-over valve, condensed liquid working substance enters second section stream valve after fluid reservoir, device for drying and filtering, enter air-cooled condenser through its throttling is laggard, be evaporated to low pressure gaseous state, through four-way change-over valve, by compressor, sucked again, continued compression, with this, circulating to form heats circulation.In heating circulation, water cooling heat exchanger does not participate in heat exchange due to refrigeration working medium bypass, and heat-exchanger pump does not move yet.
When operation, if both there is humidity load in environment, there is again a large amount of thermic loads simultaneously in air-cooled unit, carry out kind of refrigeration cycle, its air-cooled condenser is normally worked, and water-cooled condenser pump capacity can reduce and even stop transport, and reduces moisture in environment in the time of cooling.
If mainly there is humidity load in environment, and thermic load is not when substantially exist, carry out rewarming function, the speed governing type condensation fan that is air-cooled condenser runs slowly or stops transport, and water-cooled condenser is devoted oneself to work, condensation heat is utilized to heat hot water, and the hot water of intensification can be transported to air conditioning terminal fan coil rewarming heat exchanger by heat-exchanger pump, the rewarming of the too low wind pushing temperature that realization causes fan coil refrigerated heat exchanger dehumidifying, with the humiture that meets air conditioner surroundings in the reasonable scope.
Winter frost removing circulation: the winter frost removing circulation of hot and cold water unit is indispensable process, unit of the present invention is by four-way change-over valve, to switch to summer kind of refrigeration cycle mode to be realized, corresponding water cooling heat exchanger does not dispel the heat because heat-exchanger pump does not move.
In the utility model, the condensation fan adjustable air volume of air-cooled condenser, can adopt adjustable speed blower fan, also can only adopt start-stop to control; Water-cooled condenser water pump can adopt adjustable speed water pump, also can only adopt start-stop to control.Compressor is for can unload compressor, and situation realizes unloading operation according to demand.Various units for coastal scope, are especially placed in outdoor unit, and design should take into full account requirement for anticorrosion.
So the utility model is simple and reliable for structure, electric-controlled parts is few, easy switching.Receiver, liquid-sighting glass are conducive to the stable of this unit; Device for drying and filtering is conducive to the cleaning of refrigeration working medium circulation time, guarantees reliability of operation.Compressor suction inlet can arrange gas-liquid separator as required, to alleviate the possibility of compressor liquid hammer.
For strengthening reliability, can be between receiver and expansion valve install magnetic valve additional on the main line of (in kind of refrigeration cycle and heat pump cycle all in high-pressure liquid line), to be conducive to the start-up safety (preventing compressor liquid hammer) of system; Meanwhile, before the water-cooled condenser of being everlasting, install magnetic valve additional, be beneficial to prevent from heating circulation time cold-producing medium and move in idle water-cooled condenser, improve operation stability.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the utility model structural principle schematic diagram;
In figure, solid arrow is kind of refrigeration cycle, and dotted arrow is for heating circulation;
In figure: 1-compressor, 2-four-way change-over valve, 3-air-cooled condenser, 4-water-cooled condenser, 5-fluid reservoir, 6-water-cooled evaporimeter, 7a-first throttle valve, 7b-the second choke valve, 8a-the first check valve, 8b-the second check valve, 8c-the 3rd check valve, 8d-the 4th check valve, 9-device for drying and filtering, 10-liquid-sighting glass, 11-water supply pump, 12-heat-exchanger pump, 13-gas-liquid separator.
The specific embodiment
As shown in Figure 1, a kind of air-cooled unit of dehumidification and temperature adjustment, comprise compressor 1, the refrigerant outlet of described compressor 1 is communicated with one end of water-cooled evaporimeter 6 with air-cooled condenser 3 respectively by four-way change-over valve 2, the other end of described air-cooled condenser 3 is connected with the first control valve 7a by water-cooled condenser 4, and the first control valve 7a is communicated with water-cooled evaporimeter 6; Described water-cooled evaporimeter 6 is communicated with air-cooled condenser 3 by pipeline, and its pipeline is provided with the second control valve 7b.
Further, the port of export of described water-cooled condenser 4 is provided with fluid reservoir 5 and device for drying and filtering 9 successively, the arrival end of described fluid reservoir 5 is also communicated with water-cooled evaporimeter 6, the port of export of device for drying and filtering 9 is communicated with the first control valve 7a, the second control valve 7b respectively, and device for drying and filtering 9 is provided with liquid-sighting glass 10.
Further, between described water-cooled condenser 4 and fluid reservoir 5, be provided with the first check valve 8a; Between water-cooled evaporimeter 6 and fluid reservoir 5, be provided with and between the 4th check valve 8d, device for drying and filtering 9 and the second control valve 7 b, be provided with the second check valve 8b, device for drying and filtering 9 and the first control valve 7a and be provided with the 3rd check valve 8c.Facilitated the switching of several operational modes of air-cooled unit, the string fluorine phenomenon while being conducive to prevent from switching, guarantees the normal work of unit.
Further, described compressor 1 is for can unload compressor, and the arrival end of compressor 1 is provided with the possibility that gas-liquid separator 13 is used for alleviating compressor 1 liquid hammer.The inside of air-cooled condenser 3 is provided with speed governing type condensation fan, and the water lines of water-cooled condenser 4 is provided with heat-exchanger pump 12 for hot-water supply, and the water lines of water-cooled evaporimeter 6 is provided with water supply pump 11 for supplying cold water.
If solid arrow in Fig. 1 is directly to representing kind of refrigeration cycle: after refrigeration working medium is compressed by compressor, first through four-way change-over valve, flow into air-cooled condenser, can be by part or fully heat radiation, flow into water-cooled condenser again and continue as required heat radiation, condensed liquid working substance enters first throttle valve after fluid reservoir, device for drying and filtering, enters water-cooled evaporimeter after its throttling, be evaporated to low pressure gaseous state, through four-way change-over valve, by compressor, sucked again, continued compression, with this, circulate and form refrigeration.
As dotted arrow in Fig. 1 directly heats circulation to expression: refrigeration working medium during refrigeration system operation first flows into water-cooled evaporimeter through four-way change-over valve, condensed liquid working substance enters second section stream valve after fluid reservoir, device for drying and filtering, enter air-cooled condenser through its throttling is laggard, be evaporated to low pressure gaseous state, through four-way change-over valve, by compressor, sucked again, continued compression, with this, circulating to form heats circulation.In heating circulation, water cooling heat exchanger does not participate in heat exchange due to refrigeration working medium bypass, and heat-exchanger pump does not move yet.
The above embodiment is only preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; for persons skilled in the art; the any apparent change of under the prerequisite that does not deviate from the utility model principle, it being done, all belongs to the protection domain of design of the present utility model and claims.

Claims (7)

1. the air-cooled unit of a dehumidification and temperature adjustment, comprise compressor, it is characterized in that: the refrigerant outlet of described compressor is communicated with one end of water-cooled evaporimeter with air-cooled condenser respectively by four-way change-over valve, the other end of described air-cooled condenser is connected with the first control valve by water-cooled condenser, and described the first control valve is communicated with water-cooled evaporimeter; Described water-cooled evaporimeter is communicated with air-cooled condenser by pipeline, and its pipeline is provided with the second control valve.
2. the air-cooled unit of dehumidification and temperature adjustment according to claim 1, it is characterized in that: the port of export of described water-cooled condenser is provided with fluid reservoir and device for drying and filtering successively, the arrival end of described fluid reservoir is also connected with water-cooled evaporimeter, and the port of export of device for drying and filtering is communicated with the first control valve, the second control valve respectively.
3. the air-cooled unit of dehumidification and temperature adjustment according to claim 1, is characterized in that: between described water-cooled condenser and fluid reservoir, be provided with the first check valve; Between water-cooled evaporimeter and fluid reservoir, be provided with to be provided with between the 4th check valve, device for drying and filtering and the second control valve and between the second check valve, device for drying and filtering and the first control valve, be provided with the 3rd check valve.
4. the air-cooled unit of dehumidification and temperature adjustment according to claim 1, is characterized in that: described compressor is for can unload compressor.
5. the air-cooled unit of dehumidification and temperature adjustment according to claim 1, is characterized in that: the inside of described air-cooled condenser is provided with the condensation fan of variable air quantity.
6. the air-cooled unit of dehumidification and temperature adjustment according to claim 1, is characterized in that: the arrival end of described compressor is provided with gas-liquid separator.
7. the air-cooled unit of dehumidification and temperature adjustment according to claim 1, is characterized in that: the water lines of described water-cooled condenser is provided with heat-exchanger pump, and the water lines of water-cooled evaporimeter is provided with water supply pump.
CN201320532549.6U 2013-08-29 2013-08-29 Dehumidifying and temperature-adjusting air-cooled unit Expired - Fee Related CN203518084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320532549.6U CN203518084U (en) 2013-08-29 2013-08-29 Dehumidifying and temperature-adjusting air-cooled unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320532549.6U CN203518084U (en) 2013-08-29 2013-08-29 Dehumidifying and temperature-adjusting air-cooled unit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839518A (en) * 2017-03-21 2017-06-13 昆山台佳机电有限公司 The double cold and hot pump assemblys of integral type
WO2021052332A1 (en) * 2019-09-16 2021-03-25 杜嵘 Wind-and-water-cooled integrated refrigeration system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839518A (en) * 2017-03-21 2017-06-13 昆山台佳机电有限公司 The double cold and hot pump assemblys of integral type
WO2021052332A1 (en) * 2019-09-16 2021-03-25 杜嵘 Wind-and-water-cooled integrated refrigeration system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140402

Termination date: 20190829

CF01 Termination of patent right due to non-payment of annual fee