CN104534755A - Refrigerating system with automatic defrosting function - Google Patents
Refrigerating system with automatic defrosting function Download PDFInfo
- Publication number
- CN104534755A CN104534755A CN201410722550.4A CN201410722550A CN104534755A CN 104534755 A CN104534755 A CN 104534755A CN 201410722550 A CN201410722550 A CN 201410722550A CN 104534755 A CN104534755 A CN 104534755A
- Authority
- CN
- China
- Prior art keywords
- evaporimeter
- solenoid valve
- switching solenoid
- evaporator
- defrosting function
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/021—Alternate defrosting
Abstract
The invention provides a refrigerating system with the automatic defrosting function, belongs to the technical field of refrigerating equipment, and aims at solving the problem that the defrosting mode of the existing refrigerating device includes the manual frost removal mode, the automatic frost removal mode and the electric defrosting mode which enable temperature raising in the box and results in damage and deterioration of stored articles. The refrigerating system with the automatic defrosting function comprises a refrigerating circuit which is connected in series with a compressor, a condenser and an evaporator set; the evaporator set comprises a first evaporator and a second evaporator which are connected in parallel; a switching solenoid valve is arranged at the part in which the first evaporator is intersected with the second evaporator; the switching solenoid valve is connected with a controller through a circuit; the controller is electrically connected with the compressor and is connected with a temperature sensor through the circuit, wherein the temperature sensor is positioned in a refrigerating area. According to the refrigerating system with the automatic defrosting system, the two evaporators are switched through the solenoid valve, one evaporator is defrosted while another evaporator works, and thus the defrosting function is achieved, and the temperature in the box body can be kept constant.
Description
Technical field
The invention belongs to technical field of refrigeration equipment, relate to a kind of equipment carrying out defrost at cryogenic temperatures, particularly a kind of refrigeration system with automatic defrosting function.
Background technology
Refrigeration plant is the plant equipment realizing refrigerating operation.Different refrigerating method uses different equipment, and most widely used is vapor compression refrigeration at present, and capital equipment has compressor, condenser, evaporimeter and choke valve.Compressor is used for compression and refrigerant conveying steam, wherein with piston type and centrifugal most widely used.The people's livelihood the refrigeration plant commonly used be refrigerator, refrigerator-freezer, namely refrigerator, refrigerator-freezer are a kind of products for civilian use making food or other article keep constant low temperature cold conditions.Compressor, ice machine is had in order to icing cabinet or case, with the hutch of refrigerating plant in its casing.
When refrigeration plant is after refrigerating operation after a while, its evaporimeter just can bear one deck frost, and along with the prolongation of time, frost can be more and more thicker.Saving bit by bit blocked up frost in casing can cause refrigeration bad, and the power consumption simultaneously freezing required can obviously increase, and defrosting to keep refrigeration plant well to run requisite operation thus.
The defrost mode of refrigeration plant, modal at present have three kinds, respectively: artificial defrosting, automatic defrosting and electrification frost.Common defrost mode needs the article in casing to take out, and complex operation, loses time; When adopting above three kinds of Defrost modes, the temperature inside the box elevation amplitude is large, can cause stored goods damage and deterioration, be unfavorable for the antistaling storing of article simultaneously.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of by being arranged in parallel binary evaporimeter, and in refrigerating operaton, carry out switching use, realize refrigeration, on one side the refrigeration system with automatic defrosting function of defrosting function.
Object of the present invention realizes by following technical proposal: a kind of refrigeration system with automatic defrosting function, comprise refrigerating circuit, compressors in series in described refrigerating circuit, condenser and evaporator bank, described evaporator bank comprises the first evaporimeter and the second evaporimeter that are in parallel, the river outlet of described first evaporimeter and the second evaporimeter arranges switching solenoid valve, described switching solenoid valve is by circuit connection control device, described controller electricly connects above-mentioned compressor, described controller also connects temperature-sensitive sticker by circuit, described temperature-sensitive sticker is positioned in refrigerated area.
Originally have in the refrigeration system of automatic defrosting function, the first evaporimeter and the second evaporimeter can be the specifications of the same race of same kind, can be also dissimilar different sizes, not limit.
The defrosting method originally with the refrigeration system of automatic defrosting function is:
After opening refrigeration plant, switching solenoid valve is communicated with the first evaporimeter, cuts off with the second evaporimeter, therefore compressor drives the first evaporator refrigeration; The temperature signal of detection is sent to controller by temperature-sensitive sticker, and after reaching the cryogenic temperature of setting, controller controls compressor shutdown; When the detected temperatures of temperature-sensitive sticker is lower than the cryogenic temperature set, controller obtains temperature signal, controller controls compressor on the one hand and opens, control switching solenoid valve on the other hand and carry out switching action, now switching solenoid valve and the first evaporimeter cut off, be communicated with the second evaporimeter, therefore the second evaporimeter starts refrigeration work; Alternate cycles operation thus; realize an evaporimeter in refrigeration operation; another evaporimeter carries out defrost simultaneously; thus both ensured the generation of the refrigeration cold that springhouse needs; realize again the automatic defrosting function of evaporimeter under non-stop-machine state simultaneously; eliminate the loaded down with trivial details of specific defrosting operation, the article also well in refrigerating box, keep refrigeration quality.
Have in the refrigeration system of automatic defrosting function above-mentioned, described switching solenoid valve is positioned at the liquid feeding end of the first evaporimeter and the second evaporimeter, and the first outlet of described switching solenoid valve is communicated with the first evaporimeter by the first capillary; Second outlet of described switching solenoid valve is communicated with the second evaporimeter by the second capillary.Switching solenoid valve is connected to the arrival end of the first capillary and the second capillary, thereby reduce the resistance of refrigeration system, be conducive to the cold-producing medium in balance two parallel evaporators, namely the refrigeration that each evaporimeter operationally produces is identical, even if when therefore another evaporimeter is in defrosting operation, the cryogenic temperature in refrigerated area also can remain unchanged.
Have in the refrigeration system of automatic defrosting function above-mentioned, described switching solenoid valve is positioned at the outlet end of the first evaporimeter and the second evaporimeter, the first inlet communication first evaporimeter of described switching solenoid valve; Second inlet communication second evaporimeter of described switching solenoid valve.
Have in the refrigeration system of automatic defrosting function above-mentioned, the end of described first evaporimeter and/or the second evaporimeter arranges collector tube.
Have in the refrigeration system of automatic defrosting function above-mentioned, described condenser is connected in series device for drying and filtering with between evaporator bank.
Compared with prior art, the refrigeration system originally with automatic defrosting function adopts two evaporimeters to realize switching by magnetic valve, and when making an evaporator operation, another evaporimeter defrost, both achieved defrosting function, and the temperature inside the box keeps again constant; Additionally by the regulation and control of the control and controller that are arranged on capillary inlet end magnetic valve, can temperature control precision in guard box, ensure the quality of stored goods.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment one of the refrigeration system originally with automatic defrosting function.
Fig. 2 is the structural representation of the embodiment two of the refrigeration system originally with automatic defrosting function.
In figure, 1, compressor; 2, condenser; 3, device for drying and filtering; 4, switching solenoid valve; 5, the first capillary; 6, the second capillary; 7, the first evaporimeter; 8, the second evaporimeter.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figure 1, the refrigeration system originally with automatic defrosting function comprises refrigerating circuit, compressors in series 1, condenser 2 and evaporator bank in refrigerating circuit.
Evaporator bank comprises the first evaporimeter 7 and the second evaporimeter 8 be in parallel, the river outlet of the first evaporimeter 7 and the second evaporimeter 8 arranges switching solenoid valve 4, switching solenoid valve 4 is by circuit connection control device, controller electricly connects above-mentioned compressor 1, controller also connects temperature-sensitive sticker by circuit, and temperature-sensitive sticker is positioned in refrigerated area.
First evaporimeter 7 and the second evaporimeter 8 can be the specifications of the same race of same kind, can be also dissimilar different sizes, not limit.
Switching solenoid valve 4 is positioned at the liquid feeding end of the first evaporimeter 7 and the second evaporimeter 8, and the first outlet of switching solenoid valve 4 is communicated with the first evaporimeter 7 by the first capillary 5; Second outlet of switching solenoid valve 4 is communicated with the second evaporimeter 8 by the second capillary 6.Switching solenoid valve 4 is connected to the arrival end of the first capillary 5 and the second capillary 6, thereby reduce the resistance of refrigeration system, be conducive to the cold-producing medium in balance two parallel evaporators, namely the refrigeration that each evaporimeter operationally produces is identical, even if when therefore another evaporimeter is in defrosting operation, the cryogenic temperature in refrigerated area also can remain unchanged.
The end of the first evaporimeter 7 and/or the second evaporimeter 8 arranges collector tube.Condenser 2 be connected in series device for drying and filtering 3 between evaporator bank.
The defrosting method originally with the refrigeration system of automatic defrosting function is:
After opening refrigeration plant, switching solenoid valve 4 is communicated with the first evaporimeter 7, cuts off with the second evaporimeter 8, therefore compressor 1 drives the first evaporimeter 7 to freeze; The temperature signal of detection is sent to controller by temperature-sensitive sticker, and after reaching the cryogenic temperature of setting, controller controls compressor 1 and shuts down; When the detected temperatures of temperature-sensitive sticker is lower than the cryogenic temperature set, controller obtains temperature signal, controller controls compressor 1 on the one hand and opens, control switching solenoid valve 4 on the other hand and carry out switching action, now switching solenoid valve 4 and the first evaporimeter 7 cut off, be communicated with the second evaporimeter 8, therefore the second evaporimeter 8 starts refrigeration work; Alternate cycles operation thus; realize an evaporimeter in refrigeration operation; another evaporimeter carries out defrost simultaneously; thus both ensured the generation of the refrigeration cold that springhouse needs; realize again the automatic defrosting function of evaporimeter under non-stop-machine state simultaneously; eliminate the loaded down with trivial details of specific defrosting operation, the article also well in refrigerating box, keep refrigeration quality.
Embodiment two
As shown in Figure 2, the present embodiment with the structure of embodiment one and principle substantially identical, different place is:
Switching solenoid valve 4 is positioned at the outlet end of the first evaporimeter 7 and the second evaporimeter 8, the first inlet communication first evaporimeter 7 of switching solenoid valve 4; Second inlet communication second evaporimeter 8 of switching solenoid valve 4.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ compressor 1 herein; Condenser 2; Device for drying and filtering 3; Switching solenoid valve 4; First capillary 5; Second capillary 6; First evaporimeter 7; Second term such as evaporimeter 8 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (5)
1. one kind has the refrigeration system of automatic defrosting function, comprise refrigerating circuit, compressors in series, condenser and evaporator bank in described refrigerating circuit, it is characterized in that, described evaporator bank comprises the first evaporimeter and the second evaporimeter that are in parallel, the river outlet of described first evaporimeter and the second evaporimeter arranges switching solenoid valve, described switching solenoid valve is by circuit connection control device, described controller electricly connects above-mentioned compressor, described controller also connects temperature-sensitive sticker by circuit, and described temperature-sensitive sticker is positioned in refrigerated area.
2. the refrigeration system with automatic defrosting function according to claim 1, it is characterized in that, described switching solenoid valve is positioned at the liquid feeding end of the first evaporimeter and the second evaporimeter, and the first outlet of described switching solenoid valve is communicated with the first evaporimeter by the first capillary; Second outlet of described switching solenoid valve is communicated with the second evaporimeter by the second capillary.
3. the refrigeration system with automatic defrosting function according to claim 1, is characterized in that, described switching solenoid valve is positioned at the outlet end of the first evaporimeter and the second evaporimeter, the first inlet communication first evaporimeter of described switching solenoid valve; Second inlet communication second evaporimeter of described switching solenoid valve.
4. the refrigeration system with automatic defrosting function according to claim 1, is characterized in that, the end of described first evaporimeter and/or the second evaporimeter arranges collector tube.
5. the refrigeration system with automatic defrosting function according to any one of claim 1 to 4, is characterized in that, described condenser is connected in series device for drying and filtering with between evaporator bank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722550.4A CN104534755A (en) | 2014-12-02 | 2014-12-02 | Refrigerating system with automatic defrosting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722550.4A CN104534755A (en) | 2014-12-02 | 2014-12-02 | Refrigerating system with automatic defrosting function |
Publications (1)
| Publication Number | Publication Date |
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| CN104534755A true CN104534755A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410722550.4A Pending CN104534755A (en) | 2014-12-02 | 2014-12-02 | Refrigerating system with automatic defrosting function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016874A (en) * | 2016-06-30 | 2016-10-12 | 珠海格力电器股份有限公司 | Air conditioner and refrigerating system thereof |
| CN108917219A (en) * | 2018-07-19 | 2018-11-30 | 广东芬尼克兹节能设备有限公司 | Heat pump unit removes defrosting system and its Defrost method |
| CN112856907A (en) * | 2021-03-01 | 2021-05-28 | 河南省计量科学研究院 | Heat exchange device of energy-saving refrigerator and control method |
| CN115107104A (en) * | 2022-07-29 | 2022-09-27 | 生益电子股份有限公司 | PCB cooling and drilling system |
| CN115406152A (en) * | 2022-08-29 | 2022-11-29 | 澳柯玛股份有限公司 | Refrigerator and defrosting control method |
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| KR0176026B1 (en) * | 1996-07-08 | 1999-10-01 | 최진호 | Defrosting control device of show case |
| EP1050726A2 (en) * | 1999-05-05 | 2000-11-08 | Linde Aktiengesellschaft | Refrigeration system |
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| JP2010032108A (en) * | 2008-07-29 | 2010-02-12 | Hitachi Appliances Inc | Air conditioner |
| CN102914106A (en) * | 2012-11-27 | 2013-02-06 | 江苏省苏食肉品有限公司 | Refrigerator defrosting method in cold chain system |
| CN103062969A (en) * | 2011-10-19 | 2013-04-24 | 赛默飞世尔科技(阿什维尔)有限责任公司 | High performance refrigerator having dual evaporators |
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| CN203550265U (en) * | 2013-07-15 | 2014-04-16 | 潘延龄 | Double-evaporator refrigerating device allowing continuous refrigerating |
| CN203785351U (en) * | 2014-01-27 | 2014-08-20 | 平武臣 | Heat exchanging system with serial defrosting loop of air conditioner or heat pump |
| CN204313552U (en) * | 2014-12-02 | 2015-05-06 | 青岛澳柯玛超低温冷冻设备有限公司 | A kind of refrigeration system with automatic defrosting function |
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2014
- 2014-12-02 CN CN201410722550.4A patent/CN104534755A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0176026B1 (en) * | 1996-07-08 | 1999-10-01 | 최진호 | Defrosting control device of show case |
| EP1050726A2 (en) * | 1999-05-05 | 2000-11-08 | Linde Aktiengesellschaft | Refrigeration system |
| CN1289033A (en) * | 1999-09-21 | 2001-03-28 | 东芝株式会社 | Refrigerater |
| JP2010032108A (en) * | 2008-07-29 | 2010-02-12 | Hitachi Appliances Inc | Air conditioner |
| CN103062969A (en) * | 2011-10-19 | 2013-04-24 | 赛默飞世尔科技(阿什维尔)有限责任公司 | High performance refrigerator having dual evaporators |
| CN103134235A (en) * | 2011-12-05 | 2013-06-05 | 约克广州空调冷冻设备有限公司 | Coil pipe step-by-step defrosting hot pump system |
| CN102914106A (en) * | 2012-11-27 | 2013-02-06 | 江苏省苏食肉品有限公司 | Refrigerator defrosting method in cold chain system |
| CN203550265U (en) * | 2013-07-15 | 2014-04-16 | 潘延龄 | Double-evaporator refrigerating device allowing continuous refrigerating |
| CN203785351U (en) * | 2014-01-27 | 2014-08-20 | 平武臣 | Heat exchanging system with serial defrosting loop of air conditioner or heat pump |
| CN204313552U (en) * | 2014-12-02 | 2015-05-06 | 青岛澳柯玛超低温冷冻设备有限公司 | A kind of refrigeration system with automatic defrosting function |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016874A (en) * | 2016-06-30 | 2016-10-12 | 珠海格力电器股份有限公司 | Air conditioner and refrigerating system thereof |
| CN108917219A (en) * | 2018-07-19 | 2018-11-30 | 广东芬尼克兹节能设备有限公司 | Heat pump unit removes defrosting system and its Defrost method |
| CN112856907A (en) * | 2021-03-01 | 2021-05-28 | 河南省计量科学研究院 | Heat exchange device of energy-saving refrigerator and control method |
| CN115107104A (en) * | 2022-07-29 | 2022-09-27 | 生益电子股份有限公司 | PCB cooling and drilling system |
| CN115107104B (en) * | 2022-07-29 | 2023-12-05 | 生益电子股份有限公司 | PCB cooling drilling system |
| CN115406152A (en) * | 2022-08-29 | 2022-11-29 | 澳柯玛股份有限公司 | Refrigerator and defrosting control method |
| CN115406152B (en) * | 2022-08-29 | 2023-12-08 | 澳柯玛股份有限公司 | Refrigerator and defrosting control method |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Application publication date: 20150422 |