CN206905160U - A kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units - Google Patents
A kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units Download PDFInfo
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- CN206905160U CN206905160U CN201621445240.3U CN201621445240U CN206905160U CN 206905160 U CN206905160 U CN 206905160U CN 201621445240 U CN201621445240 U CN 201621445240U CN 206905160 U CN206905160 U CN 206905160U
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Abstract
The utility model discloses a kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units, including body and cool water shower system, also include refrigeration system and exhaust blower, the refrigeration system includes compressor, the reheating air cooling heat exchanger being connected with compressor outlet, the evaporation cooling heat exchanger being connected with reheating air cooling heat exchanger, the expansion valve being connected with evaporation cooling heat exchanger, the evaporator being connected with expansion valve, and the evaporator is connected with suction port of compressor；Outdoor air enters from air inlet, passes sequentially through evaporation cooling heat exchanger and reheating air cooling heat exchanger, is discharged by exhaust blower by exhaust outlet.This programme is simple in construction, can realize automatic elimination white cigarette phenomenon.
Description
Technical field
It the utility model is related to transpiration-cooled air-conditioning equipment field, more particularly to a kind of anti-white cigarette evaporation cooling is cold
Water dispenser group.
Background technology
In recent years, because evaporation cooling handpiece Water Chilling Units can produce the higher cold water of temperature, and there is high energy efficiency ratio, make its
It is used widely in the fields such as textile mills of China, office building, hotel, hospital and market.
Evaporation cooling be it is a kind of using mercury dropped come the method for cooling air, when water runs into the hot-air of flowing, just
Begin to boil off, become gas.Evaporation cooling handpiece Water Chilling Units are mainly entered by outdoor air by air inlet, cold by evaporating
But heat exchanger and after hot and humid area occurs with the water on its surface during radiating filler, temperature and the relative humidity rise of air, then by
Exhaust outlet is immediately discharged to outdoor.Relatively low in outdoor temperature, under the larger environment of relative humidity, evaporative cooling equipment easily occurs white
Cigarette phenomenon.White cigarette phenomenon Producing reason is mainly：As shown in figure 1, the air entered by air inlet in evaporative cooling equipment
（Fig. 1 midpoints A）Directly contacted with the cooling water for evaporating cooling heat transferring pipe surface, by hot and humid area, air is heated and humidified,
Discharged with hot and humid air at air outlet, its state is close to saturation curve（Fig. 1 midpoints B）.Evaporative cooling equipment discharge
After hot and humid air mixes with neighbouring air, mixing air state point should be located at state A and certain point C in state B lines.
State point A and B line and humid air saturation curve（Relative humidity is 100% equal relative humidity curve）Mutually cut the line to be formed
Section, the line segment are located at the bottom of humid air saturation curve, i.e. humid air supersaturation area.When evaporative cooling equipment air draft and outside are empty
The mixing point C of gas is located at humid air supersaturation area, then can produce condensation.It is embodied in：Near unit exhaust outlet
In air, many tiny globules are produced, are formed " white cigarette ".
And there is white cigarette phenomena impair urban landscape, and easily make one to produce evaporative cooling equipment and catch fire the illusion smoldered,
Cause fire false alarm.
The content of the invention
To overcome existing technological deficiency, the utility model provides a kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units.
To realize the purpose of this utility model, it is achieved using following technical scheme：
A kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units, including body and cool water shower system, in addition to refrigeration system and
Exhaust blower, the refrigeration system include compressor, the reheating air cooling heat exchanger being connected with compressor outlet and the air-cooled heat exchange of reheating
The evaporation cooling heat exchanger of device connection, the expansion valve being connected with evaporation cooling heat exchanger, the evaporator being connected with expansion valve, it is described
Evaporator is connected with suction port of compressor；Outdoor air enters from air inlet, passes sequentially through evaporation cooling heat exchanger and reheating is air-cooled
Heat exchanger, discharged by exhaust blower by exhaust outlet.
The utility model uses integral structure, sets reheating air cooling heat exchanger at devaporizer rear, unit is gone out
Mouthful air such as carries out at the wet heating, improves the relative humidity of air-out so that unit air draft and the mixing point of neighbouring air are not being satiated
And region, avoid the appearance of white cigarette phenomenon.Meanwhile the utility model sets the air-cooled heat exchange of reheating at devaporizer rear
Device, equivalent to the heat exchange area of increase condenser, have in the condensation temperature for reducing compressor operating, reduce the input of compressor
Power, reach the purpose of energy-conservation.Further, since the HTHP cold media gas come out from exhaust outlet of compressor is to be introduced into reheating
Air cooling heat exchanger enters back into evaporation cooling heat exchanger, when refrigerant passes through reheating air cooling heat exchanger, by wet with heat exchanger surface
Air carries out heat exchange so that the refrigerant temperature for entering evaporation cooling heat exchanger drops to less than 60 degree, so has the advantage that
It is soft dirt in the incrustation scale that evaporation cooling heat exchanger surface is formed, is easy to cleaning and safeguards.
Further, the cool water shower system include water-collecting tray, spray pipeline, Sprayer Circulation water pump, broadcast water pond, overflow
The mouth of a river, moisturizing float trap and blowoff valve, for the water pond of broadcasting above evaporation cooling heat exchanger, the water-collecting tray is cold positioned at evaporating
But below heat exchanger；The water circulating pump is fixedly installed on unit base, and is connected by spray pipeline with water-collecting tray, described
Water-collecting tray top edge is provided with moisturizing float trap and gap, and its bottom is additionally provided with blowoff valve, and the moisturizing float trap is used for
Water-collecting tray is automatically replenished.
Further, in addition to control device, the control device are used to control whether reheating air cooling heat exchanger accesses institute
State refrigeration system.
Further, air inlet is provided with fresh air Temperature Humidity Sensor, and air outlet is provided with air-supply Temperature Humidity Sensor；Institute
State fresh air Temperature Humidity Sensor and the air-supply Temperature Humidity Sensor is connected with the control device respectively.Fresh air temperature and humidity sensing
Device and air-supply Temperature Humidity Sensor are analyzed respectively by measured temperature and humidity information transmission to control device by control device
Whether draw needs to access reheating air cooling heat exchanger in refrigeration system.
Further, the first magnetic valve is in series between the reheating air cooling heat exchanger and the evaporation cooling heat exchanger,
And the reheating air cooling heat exchanger and first magnetic valve connection after it is in parallel with second solenoid valve, and first magnetic valve with
The opening and closing of second solenoid valve is controlled by the control device.When the first magnetic valve is opened, second solenoid valve is closed, then hot blast
Cold heat exchanger is devoted oneself to work；When the first closed electromagnetic valve, second solenoid valve is opened, and reheating air cooling heat exchanger is stopped.
Further, the control device includes acquisition module, analysis and processing module and control module；The acquisition module
For gathering the signal of the fresh air Temperature Humidity Sensor and the air-supply Temperature Humidity Sensor transmission；The analysis and processing module
Signal for being collected to the acquisition module is handled, and converses air-supply and the mixed humiture state of fresh air,
And whether the mixed humiture state of automatic decision needs the reheating air cooling heat exchanger accessing the refrigeration system；It is described
Control module controls the opening and closing of first magnetic valve and second solenoid valve for the result drawn according to processing module.
A kind of control method of anti-white cigarette evaporation cooling handpiece Water Chilling Units, comprises the following steps：
S1：Gather fresh air Temperature Humidity Sensor and the signal for Temperature Humidity Sensor transmission of blowing；
S2：Signal according to collecting is handled, and converses air-supply and the mixed temperature and humidity of fresh air, and certainly
Dynamic to judge whether the temperature and humidity state is in supersaturated region, the supersaturated region refers to below humid air saturation curve
Region；
S3：Control device is controlled whether the reheating air cooling heat exchanger access refrigeration system according to step S2 judged result
System.
Herein, supersaturated region refers to the region below humid air saturation curve, i.e., the grade that relative humidity is 100% is relative
Region below moisture curve.
Specifically, step S3 includes：
S31：If admixture point is in supersaturated region, control device sends to magnetic valve and instructed, the first magnetic valve
Open, second solenoid valve is closed, and reheating air cooling heat exchanger accesses the refrigeration system；
S32：If admixture point is not at supersaturated region, control device sends to magnetic valve and instructed, the first electricity
Magnet valve is closed, and second solenoid valve is opened, and reheating air cooling heat exchanger does not access the refrigeration system.
Compared with the prior art, the utility model provides a kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units, using integration
Structure, reheating air cooling heat exchanger is set at devaporizer rear, the wet heating such as carries out to machine set outlet air, improves air-out
Relative humidity so that the mixing point of unit air draft and neighbouring air avoids the appearance of white cigarette phenomenon not in supersaturated region.This
Scenario-frame is simple, can realize automatic elimination white cigarette phenomenon.Meanwhile the utility model sets hot blast again at devaporizer rear
Cold heat exchanger, equivalent to the heat exchange area of increase condenser, have in the condensation temperature for reducing compressor operating, reduce compressor
Input power, reach the purpose of energy-conservation.
Brief description of the drawings
There is the schematic diagram of white cigarette phenomenon for evaporation cooling handpiece Water Chilling Units in Fig. 1；
Fig. 2 is the structural representation of anti-white cigarette evaporation cooling handpiece Water Chilling Units provided by the utility model；
Fig. 3 is the systematic schematic diagram of anti-white cigarette evaporation cooling handpiece Water Chilling Units provided by the utility model；
Fig. 4 is water-spray system schematic diagram in the utility model；
Fig. 5 is air-out humidity Principles of Regulation figure in the utility model；
Fig. 6 is the flow chart of control method in the utility model；
Fig. 7 is the principle that anti-white cigarette evaporation cooling handpiece Water Chilling Units provided by the utility model prevent that white cigarette phenomenon from occurring
Figure.
Brief description of the drawings：1. compressor；2. water-collecting tray；3. radiate filler；4. evaporate cooling heat exchanger；5. reheating is air-cooled
Heat exchanger；6. exhaust blower；7. control device；8. shell and tube evaporator；9. the first magnetic valve；10. high-voltage switch gear；11.
High pressure gauge；12. low-pressure meter；13. non-return valve；14. low tension switch；15. condensation switch；16. device for drying and filtering；17. electricity
Sub- expansion valve；18. broadcast water pond；19. spray pipeline；20. Sprayer Circulation water pump；21. ball-cock assembly；22. blowoff valve；23.
Gap；24. roughing efficiency air filter；25. second solenoid valve；26. check valve.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings to the utility model
Embodiment is described in more detail.
Embodiment
As shown in Fig. 2 a kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units, the unit is monolithic construction, the unit upper strata
For radiator portion, including exhaust blower 6, roughing efficiency air filter 24, reheating air cooling heat exchanger 5, broadcast water pond 18, modularization evaporation cooling is changed
Hot device 4, radiating filler 3, header tank 2, spray pipeline 19 etc.；The unit lower floor is compression power part, including Sprayer Circulation
Water pump 20, compressor 1, shell and tube evaporator 8, control device 7；Complete machine contains refrigeration system, cool water shower system.
Fig. 3 is the refrigeration system of anti-white cigarette evaporation cooling handpiece Water Chilling Units, and the refrigeration system is compressor 1, shell-tube type evaporation
Device 8, evaporation cooling heat exchanger 4, reheating air cooling heat exchanger 5, device for drying and filtering 16, electric expansion valve 17, high-voltage switch gear 10, low pressure
The composition such as switch 14, high pressure gauge 11, low-pressure meter 12, refrigerant pipeline.Refrigerant becomes HTHP after the compression of compressor 1
Gas, then cooled in advance by reheating air-cooled condenser, then cooling heat exchanger 4 is evaporated by modularization and carries out heat exchange, refrigeration
Agent is condensed into cryogenic high pressure liquid, becomes low temperature and low pressure liquid after the throttling of electric expansion valve 17, in shell and tube evaporator 8
Middle heat absorption flashes to low temperature low pressure gas, eventually passes back in compressor 1.
Fig. 4 is the cool water shower system of anti-white cigarette evaporation cooling handpiece Water Chilling Units, and cool water shower system includes water-collecting tray
2nd, spray pipeline 19, Sprayer Circulation water pump 20, broadcast water pond 18, gap 23, moisturizing float trap 21 and blowoff valve 22 etc., it is described
Water pond 18 is broadcast positioned at the top of evaporation cooling heat exchanger 4, the water-collecting tray 2 is positioned at the lower section of evaporation cooling heat exchanger 4；The recirculated water
Pump 20 is fixedly installed on unit base, and is connected by spray pipeline with water-collecting tray 2, and the top edge of water-collecting tray 2 is provided with
Moisturizing float trap 21 and gap 23, its bottom are additionally provided with blowoff valve 22.In the presence of Sprayer Circulation water pump 20, water-collecting tray
2 water is transported at the top of unit and broadcasts water pond 18, and then by broadcasting the water distributing pore of water pond 18, equably sprinkle changes in evaporation cooling
Tube surface, the very thin continuous moisture film of one layer of flow down is formed, is eventually returned in water-collecting tray 2.
Wherein, above-mentioned unit also includes exhaust blower.Fig. 5 is that the air-out humidity regulation of anti-white cigarette evaporation cooling handpiece Water Chilling Units is former
Reason figure, outdoor air by air inlet enter, by evaporate cooling heat exchanger 4 and radiate filler 3 when and its surface water generation
Hot and humid area, air themperature and relative humidity rise, during by reheating air cooling heat exchanger 5, air is heated, temperature rise, phase
Humidity is declined, the process of wet heating such as is.
Wherein, air inlet is provided with fresh air Temperature Humidity Sensor, and air outlet is provided with air-supply Temperature Humidity Sensor；Hot blast again
The first magnetic valve 9, and the magnetic valve of reheating air cooling heat exchanger 5 and first are in series between cold heat exchanger 5 and evaporation cooling heat exchanger 4
9 is in parallel with second solenoid valve 25, and the opening and closing of the first magnetic valve 9 and second solenoid valve 25 is controlled by control device 7.
Wherein, unit also includes control device 7, fresh air Temperature Humidity Sensor, air-supply Temperature Humidity Sensor, the first magnetic valve
9 and second solenoid valve 25 be connected respectively with control device 7.Control device 7 includes acquisition module, analysis and processing module and control mould
Block；The acquisition module is used for the signal for gathering the fresh air Temperature Humidity Sensor and the air-supply Temperature Humidity Sensor transmission；
The signal that the analysis and processing module is used to collect the acquisition module is handled, and converses air-supply and the mixing of fresh air
State point, and whether the automatic decision admixture point needs the reheating air cooling heat exchanger accessing the refrigeration system；Institute
Control module is stated for the result drawn according to processing module to control the opening and closing of first magnetic valve and second solenoid valve.
Reheating air-cooled condenser 5 is set at evaporative cooling equipment air outlet, the humid air in exit is carried out etc. it is wet plus
Heat, discharged after reaching state point D, with being sufficiently mixed positioned at state point A outside air.In the process, state point D with
The straight line that state point A is formed is located at humid air saturation curve top, no longer intersects with humid air saturation curve, state point A sky
The mixing point C that gas and state point D air are formed after being sufficiently mixed is separated out not in supersaturated region without condensing water droplet, and it is empty
Gas disposal principle is as shown in Figure 7.
As shown in fig. 6, this kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units are controlled to go out to eliminate white cigarette by following steps
It is existing：
S1：Gather fresh air Temperature Humidity Sensor and the signal for Temperature Humidity Sensor transmission of blowing；
S2：Signal according to collecting is handled, and converses air-supply and the mixed temperature and humidity of fresh air, and certainly
Dynamic to judge whether the temperature and humidity state is in supersaturated region, the supersaturated region refers to below humid air saturation curve
Region；
S3：Control device is controlled whether the reheating air cooling heat exchanger access refrigeration system according to step S2 judged result
System.
Specifically, step S3 includes：
S31：If admixture point is in supersaturated region, control device sends to magnetic valve and instructed, the first magnetic valve
Open, second solenoid valve is closed, and reheating air cooling heat exchanger accesses the refrigeration system；
S32：If admixture point is not at supersaturated region, control device sends to magnetic valve and instructed, the first electricity
Magnet valve is closed, and second solenoid valve is opened, and reheating air cooling heat exchanger does not access the refrigeration system.
A kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units are present embodiments provided, using integral structure, in devaporizer
Rear sets reheating air cooling heat exchanger, the wet heating such as carries out to machine set outlet air, improves the relative humidity of air-out so that unit
The mixing point of air draft and neighbouring air avoids the appearance of white cigarette phenomenon not in supersaturated region.This programme is simple in construction, can be real
White cigarette phenomenon is now eliminated automatically.It is cold equivalent to increasing meanwhile this programme sets reheating air cooling heat exchanger at devaporizer rear
The heat exchange area of condenser, have in the condensation temperature for reducing compressor operating, reduce the input power of compressor, reach energy-conservation
Purpose.
Claims (8)
1. a kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units, including body and cool water shower system, it is characterised in that also include system
Cooling system, the refrigeration system include compressor, the reheating air cooling heat exchanger being connected with compressor outlet and the air-cooled heat exchange of reheating
The evaporation cooling heat exchanger of device connection, the expansion valve being connected with evaporation cooling heat exchanger, the evaporator being connected with expansion valve, it is described
Evaporator is connected with suction port of compressor；
The unit also includes exhaust blower, and outdoor air enters from air inlet, passes sequentially through evaporation cooling heat exchanger and again hot blast
Cold heat exchanger, discharged by exhaust blower by exhaust outlet.
2. anti-white cigarette evaporation cooling handpiece Water Chilling Units according to claim 1, it is characterised in that also including control device, institute
Control device is stated to be used to control whether reheating air cooling heat exchanger accesses the refrigeration system.
3. anti-white cigarette evaporation cooling handpiece Water Chilling Units according to claim 2, it is characterised in that air inlet is provided with new wind-warm syndrome
Humidity sensor, air outlet are provided with air-supply Temperature Humidity Sensor；The fresh air Temperature Humidity Sensor and the air-supply humiture
Sensor is connected with the control device respectively.
4. anti-white cigarette evaporation cooling handpiece Water Chilling Units according to claim 3, it is characterised in that the reheating air cooling heat exchanger
The first magnetic valve, and the reheating air cooling heat exchanger and first magnetic valve are in series between the evaporation cooling heat exchanger
It is in parallel with second solenoid valve after connection, and the opening and closing of first magnetic valve and second solenoid valve is controlled by the control device
System.
5. anti-white cigarette evaporation cooling handpiece Water Chilling Units according to claim 4, it is characterised in that the control device includes adopting
Collect module, analysis and processing module and control module；The acquisition module is used to gather the fresh air Temperature Humidity Sensor and described
The signal of air-supply Temperature Humidity Sensor transmission；The signal that the analysis and processing module is used to collect the acquisition module is carried out
Processing, air-supply and the mixed humiture state of fresh air are conversed, and whether the mixed humiture state of automatic decision needs
The reheating air cooling heat exchanger is accessed into the refrigeration system；The control module is used for the result drawn according to processing module
To control the opening and closing of first magnetic valve and second solenoid valve.
6. anti-white cigarette evaporation cooling handpiece Water Chilling Units according to claim 1, it is characterised in that the cool water shower system
Including broadcasting water pond, water-collecting tray, spray pipeline and Sprayer Circulation water pump, the water pond of broadcasting is above evaporation cooling heat exchanger, institute
Water-collecting tray is stated below evaporation cooling heat exchanger；The water circulating pump is fixedly installed on unit base, and passes through shower
Road is connected with water-collecting tray.
7. anti-white cigarette evaporation cooling handpiece Water Chilling Units according to claim 6, it is characterised in that the bottom of the water-collecting tray is set
There is blowoff valve.
8. anti-white cigarette evaporation cooling handpiece Water Chilling Units according to claim 6, it is characterised in that the water-collecting tray top edge is set
Moisturizing float trap and gap are equipped with, the moisturizing float trap is automatically replenished for water-collecting tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445240.3U CN206905160U (en) | 2016-12-27 | 2016-12-27 | A kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445240.3U CN206905160U (en) | 2016-12-27 | 2016-12-27 | A kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units |
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|---|---|
| CN206905160U true CN206905160U (en) | 2018-01-19 |
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| CN201621445240.3U Active CN206905160U (en) | 2016-12-27 | 2016-12-27 | A kind of anti-white cigarette evaporation cooling handpiece Water Chilling Units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524365A (en) * | 2016-12-27 | 2017-03-22 | 广东申菱环境系统股份有限公司 | Anti-white smoke evaporation cooling water chilling unit and control method thereof |
| CN110398048A (en) * | 2019-07-23 | 2019-11-01 | 广东美的暖通设备有限公司 | Air-conditioning system, air conditioning control method, air conditioning control device and storage medium |
-
2016
- 2016-12-27 CN CN201621445240.3U patent/CN206905160U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524365A (en) * | 2016-12-27 | 2017-03-22 | 广东申菱环境系统股份有限公司 | Anti-white smoke evaporation cooling water chilling unit and control method thereof |
| CN106524365B (en) * | 2016-12-27 | 2022-07-29 | 广东申菱环境系统股份有限公司 | White smoke prevention evaporative cooling water chilling unit and control method thereof |
| CN110398048A (en) * | 2019-07-23 | 2019-11-01 | 广东美的暖通设备有限公司 | Air-conditioning system, air conditioning control method, air conditioning control device and storage medium |
| CN110398048B (en) * | 2019-07-23 | 2022-11-22 | 广东美的暖通设备有限公司 | Air conditioning system, air conditioning control method, air conditioning control device, and storage medium |
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