CN106152630B - Fountain refrigerating plant and control method - Google Patents
Fountain refrigerating plant and control method Download PDFInfo
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- CN106152630B CN106152630B CN201510207304.XA CN201510207304A CN106152630B CN 106152630 B CN106152630 B CN 106152630B CN 201510207304 A CN201510207304 A CN 201510207304A CN 106152630 B CN106152630 B CN 106152630B
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Abstract
The present invention provides a kind of fountain refrigerating plant and control method.Fountain refrigerating plant includes: cooling cycle system, fluid circulation system, control system and cabinet；The refrigeration cycle circulation includes compressor, condenser, capillary and the evaporator to link together；The fluid circulation system includes liquid pump, nozzle and fluid reservoir, the liquid pump is connected through the evaporator with the nozzle, the nozzle protrudes into the inner cavity of the cabinet, the liquid pump is connected with the fluid reservoir, the intracavity bottom of the cabinet is formed with liquid collection opening, and the fluid reservoir connects the liquid collection opening.The ejecting liquid in fluid circulation system is cooled down by cooling cycle system, the coefficient of performance of refrigeration equipment is improved, improves energy utilization efficiency, realize the function of quickly cooling；Simultaneously as cooling rate is very fast, but also the start-stop time of compressor significantly reduces, the service life of fountain refrigerating plant is extended.
Description
Technical field
The present invention relates to refrigerating plant more particularly to a kind of fountain refrigerating plant and control methods.
Background technique
The cooling capacity transmittance process (heat transfer process is in contrast) of refrigeration equipment at present: the refrigerant in evaporator steams
Hair heat absorption, produced cooling capacity reduce the liner of refrigeration equipment temperature for being close to evaporator by way of " thermally conductive ", the system of low temperature
Cool equipment liner makes to make by free convection, radiation (if the internal heat exchange mode for having forced convection device is forced convertion)
Confining gas cooling inside cool equipment, cryogenic gas is by free convection (if the internal heat exchange mode for having forced convection device
For forced convertion) it exchanges heat with storing, the heat of storing is taken away.Refrigeration equipment inner wall and storing are also by radiation heat transfer
Mode the heat of storing is taken away.
There are two main problems for above-mentioned cooling capacity transmittance process: first is that being inside refrigeration equipment take air as main heat exchange
Medium, since the density (1.164kg/m3,20 DEG C) and thermal coefficient (2.524 × 10-2W/ (m DEG C)) of air are lower,
Cause heat transfer coefficient low；Two kinds of (refrigeration equipment inner wall in storing the temperature difference range) changes second is that free convection and radiation heat transfer
Hot mode coefficient of heat transfer itself is lower, in 10~100W/ (m2 DEG C) range.On the one hand, according to heat exchange amount=heat exchange system
Number × heat transfer temperature difference × heat exchange area thermal conduction study fundamental formular needs higher heat exchange heat when refrigeration equipment storing is more
Amount, refrigeration equipment, which generally passes through, reduces evaporating temperature (i.e. increase heat transfer temperature difference) to realize, and according to thermodynamics Carnot's theorem,
Refrigeration equipment evaporating temperature is lower, and coefficient of performance of refrigerating (COP) is lower, and cooling rate is slower；On the other hand, freeze at present
The temperature sensing package of equipment temperature controller is placed on the pipeline of refrigeration system and (is typically placed at evaporator pipeline exit), passes through evaporation
The temperature in device exit come judge refrigerate indoor air temperature whether be reduced to setting value, the air themperature inside refrigeration equipment
Compressor is shut down when being reduced to set temperature lower limit, until the air themperature inside refrigeration equipment rises to temperature controller setting
Compressor just turns back on work when temperature upper limit.Since there are the larger temperature difference with storing temperature for air themperature, so when compression
When machine is shut down, storing temperature is not reduced to set temperature, therefore storing heat quickly heats refrigeration equipment inner air,
Temperature is increased to compressor and turns back on work, directly results in the frequent start-stop of compressor.Cooling rate makes the section of refrigerator-freezer slowly
Energy property is in urgent need to be improved, and the start and stop of compressor decline the functional reliability of refrigerator-freezer, greatly shorten the use of compressor
Service life.
Currently, being changed instead of air as the water refrigeration equipment of heat exchange refrigerant by the forced convertion of water and storing using water
Heat, for heat transfer coefficient range at 1000~10000W/ (m2 DEG C), this increases the heat transfer system of refrigeration equipment to a certain extent
Number, but the inside of water refrigeration equipment must determine the utilization journey of refrigeration equipment volume with the presence of a large amount of water, the liquid level of water
Degree, while the presence of a large amount of water also increases the requirement of refrigeration equipment intensity.Furthermore the evaporator of refrigeration system is placed in refrigeration
Inside equipment, the dischargeable capacity of refrigeration equipment is occupied.
Summary of the invention
In view of this, the present invention provides a kind of fountain refrigerating plant and control method, it is intended to reduce fountain refrigeration dress
The start-stop time for the compressor set realizes the function of quickly cooling.
Technical solution provided by the invention is a kind of fountain refrigerating plant, comprising: cooling cycle system, liquid circulation
System, control system and cabinet；The refrigeration cycle circulation includes compressor, condenser, capillary and the steaming to link together
Send out device；The fluid circulation system includes liquid pump, nozzle and fluid reservoir, and the liquid pump is through the evaporator and the nozzle
It is connected, the nozzle protrudes into the inner cavity of the cabinet, and the liquid pump is connected with the fluid reservoir, the inner cavity of the cabinet
Bottom is formed with liquid collection opening, and the fluid reservoir connects the liquid collection opening.
Further, the evaporator is plate heat exchanger or double pipe heat exchanger, and the liquid pump passes through the evaporation
Device is connected with the nozzle.
Further, it is connected between the liquid pump and nozzle by pipeline, the pipeline and the thermally conductive company of the evaporator
It connects.
Further, regulating valve and filter are also disposed between the fluid reservoir and the liquid pump.
It further, further include control system, the control system includes temperature controller, temperature sensor, differential pressure pickup
And position switch, the temperature sensor are set between the fluid reservoir and the liquid collection opening of the bottom of box, the temperature controller
It is respectively connected with the temperature sensor, the liquid pump, the compressor, the differential pressure pickup is set to the liquid pump
Import and export between, the differential pressure pickup is connected to the compressor, and the position switch is set to the door body of the cabinet
Place.
Further, the median partial size of the spray droplet of the nozzle is 0.5-5.5mm.
The present invention also provides a kind of control method of fountain refrigerating plant, the fountain refrigerating plant includes that refrigeration is followed
Loop system, fluid circulation system, control system and cabinet；It includes the compressor to link together that the refrigeration cycle, which recycles, cold
Condenser, capillary and evaporator；The fluid circulation system includes liquid pump, nozzle and fluid reservoir, described in the liquid pump warp
Evaporator is connected with the nozzle, and the nozzle protrudes into the inner cavity of the cabinet, and the liquid pump is connected with the fluid reservoir
It connects, the intracavity bottom of the cabinet is formed with liquid collection opening, and the fluid reservoir connects the liquid collection opening；Control method are as follows: pass through institute
It states evaporator to exchange heat with the ejecting liquid in the fluid circulation system, the ejecting liquid in the fluid circulation system is logical
The nozzle is crossed to exchange heat in a manner of spraying with the storing of cabinets cavity.
Further, regulating valve and filter are also disposed between the fluid reservoir and the liquid pump, it is described
Fountain refrigerating plant further includes control system, and the control system includes temperature controller, temperature sensor, differential pressure pickup and position
Switch is set, the temperature sensor is set between the fluid reservoir and the liquid collection opening of the bottom of box, the temperature controller and institute
It states temperature sensor, the liquid pump, the compressor to be respectively connected with, the differential pressure pickup is set to the liquid pump
Between import and export, the differential pressure pickup is connected to the compressor, and the position switch is set at the door body of the cabinet；
Control method specifically includes:
S1: after fountain refrigerating plant is powered, the position switch judges whether door body is opened, if opening, the liquid
Systemic circulatory system and the cooling cycle system do not start；If being not turned on, it is transferred to S2；
S2: the temperature and setting value that the temperature controller temperature sensor is passed back are set if the temperature passed back is higher than
Definite value then starts the liquid pump；If the temperature passed back is higher than setting value, while the pressure difference between the inlet and outlet of the liquid pump
Sensor shows pressure difference, then starts the cooling cycle system, and fountain refrigerating plant enters working condition；
S3: when the temperature that the temperature sensor is passed back reaches setting value, the temperature controller issues stopping signal, the system
Cooling system and the fluid circulation system are cut off in succession, are stopped working.
Further, control method further include: if opening door body, the liquid in the fountain refrigerating plant course of work
The circulatory system and the cooling cycle system are cut off simultaneously, are stopped working.
Further, the spray mode of the nozzle is sprayed according to storing from mist adjustable to fluid column spray transition.
Fountain refrigerating plant provided by the invention and control method, by cooling cycle system in fluid circulation system
Ejecting liquid cooled down, ejecting liquid will be directly injected on the storing that cabinets cavity is held by spray head, the spray of low temperature
Heat exchange will directly be carried out with storing by drenching liquid, and since the heat transfer coefficient of liquid is replaced, the ejecting liquid on storing can be fast
Speed carries out heat exchange with storing, improves the coefficient of performance of refrigeration equipment, improves energy utilization efficiency, realizes the function of quickly cooling
Energy；Simultaneously as cooling rate is very fast, but also the start-stop time of compressor significantly reduces, fountain refrigerating plant is extended
Service life.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of fountain refrigerating plant embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present embodiment fountain refrigerating plant, mainly includes compressor 1, condenser 3, capillary 4, evaporation
Device 5, liquid pump 6, nozzle 7, fluid reservoir 8, regulating valve 9, filter 10, temperature controller 11, temperature sensor 12, differential pressure pickup
13, position switch 14 and cabinet.Wherein, compressor 1, condenser 3, capillary 4 and evaporator 5 form cooling cycle system；
Liquid pump 6, filter 10, nozzle 7, fluid reservoir 8 and regulating valve 9 form fluid circulation system；Temperature controller 11, temperature sensor
12,14 forming control system of differential pressure pickup 13 and position switch.
The structure of cooling cycle system specifically: compressor 1, condenser 3, capillary 4 and evaporator 5 circuit sequentially connection
The refrigerating circuit for refrigerant flowing is formed together.
The structure of fluid circulation system specifically: the ejecting liquid that liquid pump 6 exports conveys after evaporator 5 is freezed
To nozzle 7, nozzle 7 protrudes into the inner cavity of cabinet, and liquid pump 6 is successively connected through filter 10, regulating valve 9 with fluid reservoir 8, liquid storage
Tank 8 is connected to the inner cavity of cabinet.Wherein, the intracavity bottom of cabinet could be formed with liquid collection opening (not shown), fluid reservoir 8 and the row
Water hole connects the ejecting liquid in collection tank；In addition, evaporator 5 can be using plate heat exchanger or double pipe heat exchanger etc.
Structure has two flow paths in evaporator 5, wherein a flow path is flowed for refrigerant, another flow path is flowed for spray liquid, liquid
Body pump 6 is connect by evaporator 5 with nozzle 7, alternatively, directly being connected by pipeline between liquid pump 6 and nozzle 7, pipeline patch
To flow through the spray liquid in the pipeline by the refrigeration of evaporator 5 on evaporator 5.
The structure of control system specifically: temperature sensor 12 is set between fluid reservoir 8 and the liquid collection opening of the bottom of box, temperature
Control device 11 is separately connected with temperature sensor 12, liquid pump 6, compressor 1, and differential pressure pickup 13 is set to the import and export of liquid pump 6
Between, differential pressure pickup 13 is additionally coupled to compressor 1, and position switch 14 is set at the door body of cabinet, for judging on cabinet
Whether door body (not shown) is opened.
The course of work and control method of the present embodiment fountain refrigerating plant are illustrated with reference to the accompanying drawing, with case
The storing refrigerated in body is for beverage.
The working condition of the present embodiment fountain refrigerating plant is broadly divided into starting, operation, shutdown and door body and opens four kinds
Operating condition, beverage are deposited in a manner of vertical angles as far as possible in the inner cavity of cabinet, set the spray droplet size of nozzle 7 to medium
Size, the particle size values of the spray droplet of median are 1-3mm, close door body, and 11 set temperature value of temperature controller is 10 DEG C, connect electricity
Source, the present embodiment fountain refrigerating plant enter the start operating performance stage.
Cooling cycle system is exchanged heat by the ejecting liquid in evaporator 5 and fluid circulation system, and fluid circulation system is logical
It crosses nozzle 7 ejecting liquid after refrigeration is ejected on storing and exchange heat；Control system control simultaneously cooling cycle system and
Fluid circulation system；The step of fluid circulation system controls cooling cycle system simultaneously, cooling cycle system specifically:
Judge whether door body is opened (being turned off at this time) according to the position switch 14 of unexpected winner body first；Then temperature sensor
12 temperature signals for passing to temperature controller 11 are room temperature (because beverage is just put into), and set temperature value has deviation, temperature controller
11 control 6 power supply of liquid pump connections immediately, fluid circulation system start-up operation are also turned on 1 power supply of compressor；
But after 1 power supply of compressor is connected, whether compressor 1 starts the control of also compression gap sensor 13, passes through pressure difference
Sensor 13 judges whether the inlet and outlet of liquid pump 6 are successfully established pressure difference, if being successfully established pressure difference, liquid circulation system
System works normally, and compressor 1 starts, and cooling cycle system is started to work.
The transmittance process of cooling capacity are as follows: the refrigerant evaporation endothermic in the evaporator 5 of cooling cycle system generates cooling capacity, liquid
(by taking water as an example, ejecting liquid is water-soluble for the ethyl alcohol of one or more of pure water, ethylene glycol, glycerine or phenol for the circulatory system
The aqueous solution of the soluble-salt (such as sodium chloride, calcium chloride) of liquid or alkali and alkaline earth metal ions, according to the refrigeration of storing, freezing
The applicable ejecting liquid of temperature selection) water evaporator 5 be pumped to by liquid pump 6 freeze, absorb the cooling capacity of refrigerant
Become cold water, cold water is high speed droplet by the atomization of nozzle 7, and droplet is directly injected to beverage packaging surface, changes with beverage
Heat, simultaneously because droplet has very high flow velocity, getting on beverage can be such that beverage shakes, and pass cooling capacity quickly from beverage packaging
It is delivered to beverage inside, while reducing beverage periphery and the internal temperature difference, is fully cooled beverage；Liquid after exchanging heat with beverage
It drips temperature to increase, and comes together in the bottom of box, be discharged into the fluid reservoir 8 of fluid circulation system from liquid collection opening by gravity, then successively
It is pumped at evaporator 5 through regulating valve 9, filter 10 by liquid pump 6, is recycled into next round.
Water can flow through temperature sensor 12 when entering fluid reservoir 8 from the liquid collection opening of cabinet, and the temperature signal of water is passed to
Temperature controller 11.Due to the continuous transmitting of cooling capacity, the temperature of beverage is gradually decreased, and the temperature of return water is gradually lowered.When temperature reaches
When to 10 DEG C of setting, temperature controller 11 simultaneously switches off the power supply of liquid pump 6 and compressor 1, fluid circulation system and refrigeration cycle
System is simultaneously stopped work, into shutdown operating condition.Continuous due to external heat is passed to, and is gradually increasing internal beverage temperature,
When the upper limit value for reaching the starting of temperature controller 11, the restarting of fountain refrigerating plant.
Fountain refrigerating plant is when operating normally, if door body is opened in midway, the liquid to prevent nozzle 7 from spraying flies out case
Body, position switch 14 controls liquid pump 6 and compressor 1 powers off simultaneously, and fluid circulation system and cooling cycle system are cut simultaneously
Disconnected, fountain refrigerating plant stops working.After door body is closed, liquid pump 6 and compressor 1 are restarted.
Analysis finds, cooling capacity and storing heat exchange in weakest link just inside fountain refrigerating plant, thus this hair
The bright spray heat transfer technology that the coefficient of heat transfer can reach 100000W/ (m2 DEG C) is introduced into fountain refrigerating plant refrigerating field,
Meanwhile proposing that spray mode is adjustable and spray droplet size is by box house according to the philosophy of hydrodynamics, thermal conduction study
Storing type determines, for refrigerating function, fountain refrigerating plant of the present invention refrigerates soft bottle beverage in addition to selling, can also be real
Now to the quick-frozen of fruit or packaged food.
Such as:
For bottled drink, selection sprays liquid to storing surface close to columnar spray droplet size, and right
Selecting biggish spray droplet size in glass, metal bottled drink, (the median partial size of drop is 2-5.5mm), plastic bottle
Secondly (range of the median diameter value of drop is 1-3mm), fruit then select smaller spray droplet size (drop to liquid beverage
Median diameter value range be 0.5-2mm).This is because biggish size droplet diameter has relatively high kinetic energy, it can be with
Beverage bottle and internal liquid are shaken, also internal heat is strengthened while strengthening storing external heat-exchanging, it is further real
Quickly cooling/speed heat function of existing refrigeration equipment.
And for the storing of such as fruits, because its surface rapid wear and it is internal it is thermally conductive be the bottleneck entirely to conduct heat, excessively
It is little to overall contribution to strengthen external heat-exchanging, therefore uniform low temperature environment need to be only provided, so the close atomization of selection
Spray droplet size.
The raising of the box house coefficient of heat transfer transmits identical heat institute so that the coefficient of heat transfer from refrigerant to storing improves
The temperature difference needed will reduce, and be freezed using technical solution of the present invention, the evaporating temperature and temperature control of cooling cycle system
The temperature difference≤5 DEG C between the temperature sensing package temperature of device 11, the temperature difference≤10 DEG C between the target temperature of storing greatly optimize refrigeration
The performance of the circulatory system.
Conventional refrigeration equipment is under heavy load there are two the basic reasons of high frequent start and stop: first is that temperature controller temperature sensing package
Position；Second is that there is the larger temperature difference between evaporating temperature and storing.Wherein, as previously mentioned, the introducing of spraying technique reduces steaming
The temperature difference between temperature and storing is sent out, on the other hand, temperature sensor 12 is installed on the refrigeration equipment bottom of box by the present invention
Between liquid collection opening and fluid reservoir 8.Under the premise of being packed into 80 bottles of 500ml bottled waters inside 128L refrigeration equipment, pass through experiment pair
Than, for 24 hours in, conventional refrigeration equipment start-stop 100 times, and quickly cooling fountain refrigerating plant of the invention only start and stop 2 times.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (3)
1. a kind of control method of fountain refrigerating plant, which is characterized in that the fountain refrigerating plant includes refrigeration cycle
System, fluid circulation system, control system and cabinet；The cooling cycle system includes the compressor to link together, condensation
Device, capillary and evaporator；The fluid circulation system includes liquid pump, nozzle and fluid reservoir, and the liquid pump is through the steaming
Hair device is connected with the nozzle, and the nozzle protrudes into the inner cavity of the cabinet, and the liquid pump is connected with the fluid reservoir,
The intracavity bottom of the cabinet is formed with liquid collection opening, and the fluid reservoir connects the liquid collection opening；
Control method are as follows: it is exchanged heat by the evaporator and the ejecting liquid in the fluid circulation system, the liquid
Ejecting liquid in the circulatory system is exchanged heat in a manner of spraying with the storing of cabinets cavity by the nozzle；
Regulating valve and filter, the fountain refrigerating plant are also disposed between the fluid reservoir and the liquid pump
It further include control system, the control system includes temperature controller, temperature sensor, differential pressure pickup and position switch, the temperature
Sensor is spent to be set between the fluid reservoir and the liquid collection opening of the bottom of box, the temperature controller and the temperature sensor,
The liquid pump, the compressor are respectively connected with, and the differential pressure pickup is set between the import and export of the liquid pump, institute
It states differential pressure pickup and is connected to the compressor, the position switch is set at the door body of the cabinet；
Control method specifically includes:
S1: after fountain refrigerating plant is powered, the position switch judges whether door body is opened, if opening, the liquid is followed
Loop system and the cooling cycle system do not start；If being not turned on, it is transferred to S2；
S2: the temperature and setting value that the temperature controller temperature sensor is passed back, if the temperature passed back is higher than setting value,
Then start the liquid pump；If the temperature passed back is higher than setting value, while the pressure difference sensing between the inlet and outlet of the liquid pump
Device shows pressure difference, then starts the cooling cycle system, and fountain refrigerating plant enters working condition；
S3: when the temperature that the temperature sensor is passed back reaches setting value, the temperature controller issues stopping signal, the refrigeration system
System and the fluid circulation system are cut off in succession, are stopped working.
2. the control method of fountain refrigerating plant according to claim 1, which is characterized in that control method further include:
If opening door body in the fountain refrigerating plant course of work, the fluid circulation system and the cooling cycle system quilt simultaneously
Cutting, stops working.
3. the control method of fountain refrigerating plant according to claim 1, which is characterized in that the spray side of the nozzle
Formula sprays according to storing from mist adjustable to fluid column spray transition.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420515218 | 2014-09-09 | ||
| CN201410455996.5A CN104180553A (en) | 2014-09-09 | 2014-09-09 | Spraying type energy-saving fast refrigerator and control method thereof |
| CN2014104559965 | 2014-09-09 | ||
| CN2014205152186 | 2014-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106152630A CN106152630A (en) | 2016-11-23 |
| CN106152630B true CN106152630B (en) | 2018-12-18 |
Family
ID=54527425
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| CN201520263828.6U Active CN204787452U (en) | 2014-09-09 | 2015-04-28 | Fountain refrigerating plant |
| CN201520263717.5U Active CN204787389U (en) | 2014-09-09 | 2015-04-28 | Fountain storing equipment |
| CN201510207066.2A Active CN106152589B (en) | 2014-09-09 | 2015-04-28 | Fountain heating-cooling equipment and control method |
| CN201520263825.2U Active CN204787390U (en) | 2014-09-09 | 2015-04-28 | Fountain equipment of heating |
| CN201510207273.8A Active CN106152591B (en) | 2014-09-09 | 2015-04-28 | Fountain storage equipment and control method |
| CN201510207235.2A Active CN106152701B (en) | 2014-09-09 | 2015-04-28 | Fountain refrigeration equipment and control method |
| CN201510207304.XA Active CN106152630B (en) | 2014-09-09 | 2015-04-28 | Fountain refrigerating plant and control method |
| CN201520263937.8U Active CN204787391U (en) | 2014-09-09 | 2015-04-28 | Fountain refrigeration plant |
| CN201510219907.1A Active CN106196687B (en) | 2014-09-09 | 2015-05-04 | Spray refrigeration equipment and control method |
| CN201510219890.XA Active CN106196830B (en) | 2014-09-09 | 2015-05-04 | Water cooled refrigeration equipment and control method |
| CN201520279178.4U Active CN204787392U (en) | 2014-09-09 | 2015-05-04 | Refrigerating plant sprays |
| CN201510220152.7A Active CN106196688B (en) | 2014-09-09 | 2015-05-04 | Spray refrigerating plant and control method |
| CN201520279359.7U Active CN204787393U (en) | 2014-09-09 | 2015-05-04 | Refrigeration plant sprays |
| CN201520279360.XU Active CN204787513U (en) | 2014-09-09 | 2015-05-04 | Water -cooled refrigeration plant |
| CN201520360057.2U Active CN204787395U (en) | 2014-09-09 | 2015-05-29 | Fountain refrigeration plant |
| CN201510285448.7A Active CN106196708B (en) | 2014-09-09 | 2015-05-29 | Adjustable spraying refrigeration equipment and control method |
| CN201510285568.7A Active CN106196689B (en) | 2014-09-09 | 2015-05-29 | Fountain refrigerating plant and control method |
| CN201510285611.XA Active CN106196690B (en) | 2014-09-09 | 2015-05-29 | Fountain refrigeration equipment and control method |
| CN201520360018.2U Active CN204787403U (en) | 2014-09-09 | 2015-05-29 | Refrigeration plant sprays with adjustable |
| CN201520359889.2U Active CN204787394U (en) | 2014-09-09 | 2015-05-29 | Fountain refrigerating plant |
| CN201510370432.6A Active CN106196691B (en) | 2014-09-09 | 2015-06-30 | Fountain refrigerating plant and control method |
| CN201510370460.8A Active CN106196692B (en) | 2014-09-09 | 2015-06-30 | Spray refrigeration equipment and control method |
| CN201510370431.1A Active CN105444460B (en) | 2014-09-09 | 2015-06-30 | Fountain refrigeration equipment and control method |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263828.6U Active CN204787452U (en) | 2014-09-09 | 2015-04-28 | Fountain refrigerating plant |
| CN201520263717.5U Active CN204787389U (en) | 2014-09-09 | 2015-04-28 | Fountain storing equipment |
| CN201510207066.2A Active CN106152589B (en) | 2014-09-09 | 2015-04-28 | Fountain heating-cooling equipment and control method |
| CN201520263825.2U Active CN204787390U (en) | 2014-09-09 | 2015-04-28 | Fountain equipment of heating |
| CN201510207273.8A Active CN106152591B (en) | 2014-09-09 | 2015-04-28 | Fountain storage equipment and control method |
| CN201510207235.2A Active CN106152701B (en) | 2014-09-09 | 2015-04-28 | Fountain refrigeration equipment and control method |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263937.8U Active CN204787391U (en) | 2014-09-09 | 2015-04-28 | Fountain refrigeration plant |
| CN201510219907.1A Active CN106196687B (en) | 2014-09-09 | 2015-05-04 | Spray refrigeration equipment and control method |
| CN201510219890.XA Active CN106196830B (en) | 2014-09-09 | 2015-05-04 | Water cooled refrigeration equipment and control method |
| CN201520279178.4U Active CN204787392U (en) | 2014-09-09 | 2015-05-04 | Refrigerating plant sprays |
| CN201510220152.7A Active CN106196688B (en) | 2014-09-09 | 2015-05-04 | Spray refrigerating plant and control method |
| CN201520279359.7U Active CN204787393U (en) | 2014-09-09 | 2015-05-04 | Refrigeration plant sprays |
| CN201520279360.XU Active CN204787513U (en) | 2014-09-09 | 2015-05-04 | Water -cooled refrigeration plant |
| CN201520360057.2U Active CN204787395U (en) | 2014-09-09 | 2015-05-29 | Fountain refrigeration plant |
| CN201510285448.7A Active CN106196708B (en) | 2014-09-09 | 2015-05-29 | Adjustable spraying refrigeration equipment and control method |
| CN201510285568.7A Active CN106196689B (en) | 2014-09-09 | 2015-05-29 | Fountain refrigerating plant and control method |
| CN201510285611.XA Active CN106196690B (en) | 2014-09-09 | 2015-05-29 | Fountain refrigeration equipment and control method |
| CN201520360018.2U Active CN204787403U (en) | 2014-09-09 | 2015-05-29 | Refrigeration plant sprays with adjustable |
| CN201520359889.2U Active CN204787394U (en) | 2014-09-09 | 2015-05-29 | Fountain refrigerating plant |
| CN201510370432.6A Active CN106196691B (en) | 2014-09-09 | 2015-06-30 | Fountain refrigerating plant and control method |
| CN201510370460.8A Active CN106196692B (en) | 2014-09-09 | 2015-06-30 | Spray refrigeration equipment and control method |
| CN201510370431.1A Active CN105444460B (en) | 2014-09-09 | 2015-06-30 | Fountain refrigeration equipment and control method |
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| CN (23) | CN204787452U (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204787452U (en) * | 2014-09-09 | 2015-11-18 | 青岛海尔特种电冰柜有限公司 | Fountain refrigerating plant |
| CN106594914A (en) * | 2016-12-20 | 2017-04-26 | 苏州美高图环境技术有限公司 | Air treatment system |
| CN107024047B (en) * | 2017-03-30 | 2019-06-28 | 广东美的制冷设备有限公司 | Compressor control method and device |
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