CN102798245A - Refrigerating equipment, refrigerating system and deep refrigerating method of refrigerating equipment - Google Patents
Refrigerating equipment, refrigerating system and deep refrigerating method of refrigerating equipment Download PDFInfo
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- CN102798245A CN102798245A CN2012103237768A CN201210323776A CN102798245A CN 102798245 A CN102798245 A CN 102798245A CN 2012103237768 A CN2012103237768 A CN 2012103237768A CN 201210323776 A CN201210323776 A CN 201210323776A CN 102798245 A CN102798245 A CN 102798245A
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- refrigeration
- evaporimeter
- refrigerating
- switch unit
- branch road
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- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
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Abstract
The invention discloses refrigerating equipment, a refrigerating system and a deep refrigerating method of the refrigerating equipment. The refrigerating system comprises a first refrigerating branch, a second refrigerating branch, a third evaporator and a switch unit, wherein the first refrigerating branch comprises a first compressor, a first condenser and a first evaporator which are connected in series; the second refrigerating branch comprises a second compressor, a second condenser and a second evaporator which are connected in series; the third evaporator is connected to the second refrigerating branch; and the switch unit is connected to the second refrigerating branch, and selectively enables the refrigerant in the second refrigerating branch to pass through the third evaporator so that the third evaporator and the first evaporator work for refrigerating at the same time. According to the refrigerating system disclosed in the embodiment of the invention, the third evaporator and the first evaporator can work for refrigerating at the same time, so that the refrigerating efficiency of the refrigerating equipment is improved, and the requirement of rapid cooling or deep refrigerating is met.
Description
Technical field
The present invention relates to art of refrigeration units, in particular to the deep refrigerating method of a kind of refrigeration plant and refrigeration system and this refrigeration plant.
Background technology
Existing refrigeration plant, for example refrigerator or refrigerator-freezer can satisfy general refrigeration demand when operate as normal.But when the user of refrigeration plant needed big cold or needs fast-refrigerating, common refrigeration plant need consume more energy and just can reach or can't realize at all.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
In view of this, the present invention need provide a kind of refrigeration system, and this refrigeration system can be freezed through first evaporimeter and the 3rd evaporimeter simultaneously, to improve refrigerating efficiency, to make refrigeration plant satisfy the demand of big cold and fast-refrigerating.Further, the present invention need provide a kind of refrigeration plant with above-mentioned refrigeration system, said refrigeration plant.In addition, the present invention also need provide a kind of deep refrigerating method of this refrigeration plant.
According to a first aspect of the invention, a kind of refrigeration system is provided, has comprised: the first refrigeration branch road, the said first refrigeration branch road comprises first compressor, first condenser and first evaporimeter of series connection; The second refrigeration branch road, the said second refrigeration branch road comprises second compressor, second condenser and second evaporimeter of series connection; The 3rd evaporimeter, said the 3rd evaporimeter are connected in the said second refrigeration branch road; And switch unit, said switch unit is connected in the said second refrigeration branch road, the cold-producing medium that is used for optionally making the said second refrigeration branch road through said the 3rd evaporimeter so that said the 3rd evaporimeter and said first evaporimeter freeze jointly.
Refrigeration system when needs carry out deep refrigerating, can make cold-producing medium through being connected the 3rd evaporimeter in the second refrigeration branch road through the operation switch unit according to an embodiment of the invention.Thus, the 3rd evaporimeter and first evaporimeter are freezed simultaneously, improve refrigerating efficiency, can make chamber between first evaporimeter and the coefficient refrigeration of the 3rd evaporimeter reach the requirement of the cold or deep refrigerating of speed.
According to one embodiment of present invention; Said switch unit has first to the 3rd interface; Said the 3rd evaporimeter is parallelly connected with said second evaporimeter, and first interface of said switch unit links to each other with the outlet of said second condenser and second the linking to each other with the inlet of the 3rd evaporimeter with said second respectively with the 3rd interface of said switch unit.
According to one embodiment of present invention; Said switch unit first interface link to each other with the outlet of said second condenser; Second interface of said switch unit links to each other with the inlet of said the 3rd evaporimeter, and the 3rd interface of said switch unit links to each other with the outlet of said the 3rd evaporimeter and the inlet of said second evaporimeter.
According to one embodiment of present invention, said switch unit is a transfer valve.
According to one embodiment of present invention, said transfer valve is a magnetic valve.
According to one embodiment of present invention; Refrigeration system also comprises controller; When the needs deep refrigerating; Said controller make said switch unit control the cold-producing medium of said second refrigeration in the branch road through said the 3rd evaporimeter so that the 3rd evaporimeter and said first evaporimeter freeze jointly, and when only needing normal refrigeration, said controller makes said switch unit control the interior refrigerant bypass of the said second refrigeration branch road and crosses said the 3rd evaporimeter so that said the 3rd evaporimeter stops to freeze.
According to one embodiment of present invention, the contiguous said first evaporimeter setting of said the 3rd evaporimeter.
According to a second aspect of the invention, a kind of refrigeration plant is provided, has comprised: casing, said casing have chamber between first and second refrigeration; Chamber door, said chamber door are connected with said casing to open and close chamber between said refrigeration; And refrigeration system, said refrigeration system is located in the said casing and is according to the described refrigeration system of the above embodiment of the present invention, and the first and second refrigeration branch roads of said refrigeration system are respectively applied for chamber refrigeration between said first and second refrigeration.
According to the refrigeration plant of the embodiment of the invention, when needs carry out deep refrigerating, can make cold-producing medium through being connected the 3rd evaporimeter in the second refrigeration branch road through the operation switch unit.Thus, the 3rd evaporimeter and first evaporimeter are freezed simultaneously, improve refrigerating efficiency, can make chamber between first evaporimeter and the coefficient refrigeration of the 3rd evaporimeter reach the requirement of the cold or deep refrigerating of speed.
According to a third aspect of the invention we, a kind of deep refrigerating method of refrigeration plant is provided, has may further comprise the steps: a) judging whether needs or deep refrigerating; When b) needing deep refrigerating, said switch unit make the cold-producing medium of said second refrigeration in the branch road through said the 3rd evaporimeter so that said the 3rd evaporimeter and said first evaporimeter freeze jointly; When c) not needing deep refrigerating, said switch unit makes the refrigerant bypass in the said second refrigeration branch road cross said the 3rd evaporimeter so that said the 3rd evaporimeter stops refrigeration.
The deep refrigerating method of the refrigeration plant that provides according to the embodiment of the invention when the needs deep refrigerating, can improve refrigerating efficiency, makes chamber between first evaporimeter and the coefficient refrigeration of the 3rd evaporimeter reach the requirement of the cold or deep refrigerating of speed.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 has shown the structural representation of refrigeration system according to an embodiment of the invention;
Fig. 2 has shown the structural representation of refrigeration system in accordance with another embodiment of the present invention; With
Fig. 3 has shown the flow chart of the deep refrigerating method of refrigeration plant according to an embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.
Like Fig. 1, shown in Figure 2, refrigeration system according to an embodiment of the invention comprises: the first refrigeration branch road 10, second refrigeration branch road 20, the 3rd evaporimeter 30 and the switch unit 40.
Particularly, the first refrigeration branch road 10 comprises first compressor 11, first condenser 12 and first evaporimeter 13 of series connection.
The second refrigeration branch road 20 comprises second compressor 21, second condenser 22 and second evaporimeter 23 of series connection.
Need to prove that the first refrigeration branch road 10 and second branch road 20 that freezes can be separate refrigerating circuit, thereby can freeze to chamber between different refrigeration respectively.
The 3rd evaporimeter 30 can be connected in the second refrigeration branch road 20.In other words, in the second refrigeration branch road 20, also be connected with the 3rd evaporimeter 30.
Refrigeration system when needs carry out deep refrigerating, can be passed through operation switch unit 40 according to an embodiment of the invention, so that cold-producing medium is through being connected the 3rd evaporimeter 30 in the second refrigeration branch road 20.Thus, the 3rd evaporimeter 30 and first evaporimeter 13 are freezed simultaneously, improve refrigerating efficiency, can make chamber between first evaporimeter 13 and the 3rd evaporimeter 30 coefficient refrigeration reach the requirement of the cold or deep refrigerating of speed.
As shown in Figure 1; According to one embodiment of present invention; Switch unit 40 has first interface 41, second interface 42 and the 3rd interface 43; The 3rd evaporimeter 30 is parallelly connected with second evaporimeter 23, and first interface 41 of switch unit 40 links to each other with the outlet 221 of second condenser 22 and second interface 42 of switch unit 40 links to each other with the inlet of second evaporimeter 23 and the 3rd evaporimeter 30 respectively with the 3rd interface 43.Thus, can control the control of the duty of second evaporimeter 23 and the 3rd evaporimeter 30 through control switch unit 40.
Need to prove, can select second evaporimeter 23 and the 3rd evaporimeter 30 are connected in the second refrigeration branch road 20 through second interface 42 and 43 switchings of the 3rd interface of control switch unit 40 (be transfer valve for example, be preferably battery valve).For example, open first interface 41 and second interface 42, close the 3rd interface 43, second evaporimeter 23 is connected in the second refrigeration branch road 20.Open first interface 41 and the 3rd interface 43, close second interface 42, the 3rd evaporimeter 30 is connected in the second refrigeration branch road 20, at this moment, the heat of air freezed near the 3rd evaporimeter 30 can absorb.
As shown in Figure 2; According to another embodiment of the invention; First interface 41 of switch unit 40 links to each other with the outlet of second condenser 22; Second interface 42 of switch unit 40 links to each other with the inlet of the 3rd evaporimeter 30, and the 3rd interface 43 of switch unit 40 links to each other with the outlet of the 3rd evaporimeter 30 and the inlet of second evaporimeter 23.Thus, can select second evaporimeter 23 and the 3rd evaporimeter 30 are connected in the second refrigeration branch road 20 through second interface 42 and 43 switchings of the 3rd interface of control switch unit 40.
When second evaporimeter 23 was connected in the second refrigeration branch road 20, the second refrigeration branch road 20 normally freezed, for example.This moment is by chamber refrigeration between 23 pairs of refrigeration of second evaporimeter.When the 3rd evaporimeter 30 was connected in the second refrigeration branch road 20, the 3rd evaporimeter 30 and first evaporimeter 13 to chamber refrigeration between another refrigeration, thus, had improved refrigerating efficiency jointly, reach the requirement of fast cold-peace deep refrigerating.
According to one embodiment of present invention; Refrigeration system can also comprise the controller (not shown); When the needs deep refrigerating, controller can make the cold-producing medium in the switch unit 40 controls second refrigeration branch road 20 pass through the 3rd evaporimeter 30 so that the 3rd evaporimeter 30 and first evaporimeter 13 freeze jointly.When only needing normal refrigeration, controller makes the refrigerant bypass in the switch unit 40 controls second refrigeration branch road 20 cross the 3rd evaporimeter 30 so that the 3rd evaporimeter 30 stops refrigeration, and this moment, second evaporimeter 23 can freeze normally.
According to one embodiment of present invention, the 3rd evaporimeter 30 can be close to 13 settings of first evaporimeter.Thus, the 3rd evaporimeter can freeze with first evaporimeter jointly, improves refrigerating efficiency, satisfies user's different refrigeration demand.It is understandable that the 3rd evaporimeter 30 and first evaporimeter 13 also can divide and be arranged, for example can be arranged on the corresponding position of different lateral of chamber between same refrigeration, with can be chamber refrigeration between same refrigeration.
With reference to Fig. 1-2 the course of work according to the refrigeration system of the embodiment of the invention is described below.
Under refrigeration system was in normal operating conditions, second condenser 22 was connected in the second refrigeration branch road 20, and the 3rd evaporimeter 30 and the second refrigeration branch road 20 break off.At this moment, the first refrigeration branch road 10 and the second refrigeration branch road 20 normally freeze.
When needing deep refrigerating; Through operation switch unit 40 the 3rd evaporimeter 30 is connected in the second refrigeration branch road 20; Second condenser 22 and the second refrigeration branch road 20 break off, and the 3rd evaporimeter 30 and first evaporimeter 13 freeze simultaneously, and for example the 3rd evaporimeter 30 and first evaporimeter 13 can be to chamber refrigeration between same refrigeration; In this process, the first refrigeration branch road 10 can be in normal operating conditions always.
Below in conjunction with accompanying drawing, the refrigeration plant according to the embodiment of the invention is described.
The refrigeration plant (not shown) comprises: casing, chamber door and refrigeration system according to an embodiment of the invention.
Particularly, casing can have first the refrigeration between chamber A and second the refrigeration between chamber B.For example, chamber A can be refrigerating chamber between first refrigeration, and chamber B can be refrigerating chamber between second refrigeration.
Chamber door is connected with casing to open and close chamber between refrigeration.
Refrigeration system is located in the casing and is according to the described refrigeration system of the above embodiment of the present invention, and the first refrigeration branch road 10 of refrigeration system and the second refrigeration branch road 20 are respectively applied for chamber B between the chamber A between first refrigeration and second refrigeration is freezed.The 3rd evaporimeter 30 can be to A refrigeration in chamber between first refrigeration.
According to the refrigeration plant of the embodiment of the invention, when needs carry out deep refrigerating, can be through operation switch unit 40, so that cold-producing medium is through being connected the 3rd evaporimeter 30 in the second refrigeration branch road 20.Thus, the 3rd evaporimeter 30 and first evaporimeter 13 are freezed simultaneously, improve refrigerating efficiency, can make chamber between first evaporimeter 13 and the 3rd evaporimeter 30 coefficient refrigeration reach the requirement of the cold or deep refrigerating of speed.
Below, in conjunction with Fig. 3 the deep refrigerating method according to the described refrigeration plant of embodiment is described.
As shown in Figure 3, the control method according to the described refrigeration plant of embodiments of the invention may further comprise the steps:
A) need to judge whether deep refrigerating (S1).
Controller can need judge whether deep refrigerating according to user's indication, for example, can for example be refrigerator at refrigeration plant, on the cold or deep refrigerating button of speed is set, when the user needs, can select corresponding refrigeration mode through button.
When b) needing deep refrigerating, said switch unit make the cold-producing medium of said second refrigeration in the branch road through said the 3rd evaporimeter so that said the 3rd evaporimeter and said first evaporimeter freeze jointly (S2).
When c) not needing deep refrigerating, said switch unit makes the refrigerant bypass in the said second refrigeration branch road cross said the 3rd evaporimeter so that said the 3rd evaporimeter stops refrigeration (S3).
The deep refrigerating method of the refrigeration plant that provides according to the embodiment of the invention when the needs deep refrigerating, can improve refrigerating efficiency, makes chamber between first evaporimeter and the coefficient refrigeration of the 3rd evaporimeter reach the requirement of the cold or deep refrigerating of speed.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that; Under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (10)
1. a refrigeration system is characterized in that, comprising:
The first refrigeration branch road, the said first refrigeration branch road comprises first compressor, first condenser and first evaporimeter of series connection;
The second refrigeration branch road, the said second refrigeration branch road comprises second compressor, second condenser and second evaporimeter of series connection;
The 3rd evaporimeter, said the 3rd evaporimeter are connected in the said second refrigeration branch road; With
Switch unit, said switch unit are connected in the said second refrigeration branch road, the cold-producing medium that is used for optionally making the said second refrigeration branch road through said the 3rd evaporimeter so that said the 3rd evaporimeter and said first evaporimeter freeze jointly.
2. refrigeration system according to claim 1; It is characterized in that; Said switch unit has first to the 3rd interface; Said the 3rd evaporimeter is parallelly connected with said second evaporimeter, and first interface of said switch unit links to each other with the outlet of said second condenser and second the linking to each other with the inlet of the 3rd evaporimeter with said second respectively with the 3rd interface of said switch unit.
3. refrigeration system according to claim 1; It is characterized in that; Said switch unit first interface link to each other with the outlet of said second condenser; Second interface of said switch unit links to each other with the inlet of said the 3rd evaporimeter, and the 3rd interface of said switch unit links to each other with the outlet of said the 3rd evaporimeter and the inlet of said second evaporimeter.
4. refrigeration system according to claim 1 is characterized in that, said switch unit is a transfer valve.
5. refrigeration system according to claim 4 is characterized in that, said transfer valve is a magnetic valve.
6. refrigeration system according to claim 1; It is characterized in that; Also comprise controller; When the needs deep refrigerating; Said controller make said switch unit control the cold-producing medium of said second refrigeration in the branch road through said the 3rd evaporimeter so that said the 3rd evaporimeter and said first evaporimeter freeze jointly, and when only needing normal refrigeration, said controller makes said switch unit control the interior refrigerant bypass of the said second refrigeration branch road and crosses said the 3rd evaporimeter so that said the 3rd evaporimeter stops to freeze.
7. according to each described refrigeration system among the claim 1-6, it is characterized in that the contiguous said first evaporimeter setting of said the 3rd evaporimeter.
8. a refrigeration plant is characterized in that, comprising:
Casing, said casing have chamber between first and second refrigeration;
Chamber door, said chamber door are connected with said casing to open and close chamber between said refrigeration; With
Refrigeration system, said refrigeration system are located in the said casing and are according to each described refrigeration system among the claim 1-7, and the first and second refrigeration branch roads of said refrigeration system are respectively applied for chamber refrigeration between said first and second refrigeration.
9. refrigeration plant according to claim 8 is characterized in that, the chamber is a refrigerating chamber between said first refrigeration, and the chamber is a refrigerating chamber between said second refrigeration.
One kind according to Claim 8 or the deep refrigerating method of 9 described refrigeration plants, its characteristic is being, is may further comprise the steps:
A) need to judge whether deep refrigerating;
When b) needing deep refrigerating, said switch unit make the cold-producing medium of said second refrigeration in the branch road through said the 3rd evaporimeter so that said the 3rd evaporimeter and said first evaporimeter freeze jointly;
When c) not needing deep refrigerating, said switch unit makes the refrigerant bypass in the said second refrigeration branch road cross said the 3rd evaporimeter so that said the 3rd evaporimeter stops refrigeration.
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| CN201210323776.8A CN102798245B (en) | 2012-09-04 | 2012-09-04 | Refrigerating equipment, refrigerating system and deep refrigerating method of refrigerating equipment |
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| CN201210323776.8A CN102798245B (en) | 2012-09-04 | 2012-09-04 | Refrigerating equipment, refrigerating system and deep refrigerating method of refrigerating equipment |
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| CN102980351A (en) * | 2012-12-28 | 2013-03-20 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and refrigeration system component thereof |
| CN102997477A (en) * | 2012-12-28 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and refrigeration system of refrigerator |
| CN103335439A (en) * | 2013-07-18 | 2013-10-02 | 合肥美的电冰箱有限公司 | Refrigeration system |
| WO2016004869A1 (en) * | 2014-07-09 | 2016-01-14 | 惠而浦股份有限公司 | Double-compressor refrigeration system for refrigerator system |
| CN107014133A (en) * | 2015-12-08 | 2017-08-04 | Lg电子株式会社 | Refrigerator and its control method |
| CN110307683A (en) * | 2018-03-20 | 2019-10-08 | 东芝生活电器株式会社 | Refrigerator |
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| CN110307683B (en) * | 2018-03-20 | 2022-04-05 | 东芝生活电器株式会社 | Refrigerator with a door |
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| Publication number | Publication date |
|---|---|
| CN102798245B (en) | 2015-01-21 |
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Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. |
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