CN103900325A - Multi-fan refrigerator air channel - Google Patents
Multi-fan refrigerator air channel Download PDFInfo
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- CN103900325A CN103900325A CN201410148407.9A CN201410148407A CN103900325A CN 103900325 A CN103900325 A CN 103900325A CN 201410148407 A CN201410148407 A CN 201410148407A CN 103900325 A CN103900325 A CN 103900325A
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- air
- cover plate
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- 238000001816 cooling Methods 0.000 claims abstract description 28
- 239000006260 foam Substances 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 18
- 238000013461 design Methods 0.000 description 9
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a multi-fan refrigerator air channel comprising an air channel body. The air channel body, an air cooling refrigerator evaporator and air supply channels and air return channels of all chambers of a refrigerator form a complete air channel system. A front cover plate, a rear cover plate, a foam air channel and at least two fans are arranged on the air channel body. The foam air channel is arranged between the front cover plate and the rear cover plate. A fixing plate is arranged on the rear cover plate and used for attaching the rear cover plate to the refrigerator evaporator. The multi-fan refrigerator air channel has the advantages that different arrangements can be performed on a single-evaporator multi-temperature-zone refrigerator and a multi-evaporator multi-temperature-zone refrigerator, all temperature zones almost can reach a set temperature at the same time, the occupied size is small, and the refrigerating effect is good.
Description
Technical field
The present invention relates to a kind of multi-fan refrigerator air duct.
Background technology
Along with the development of technology and the continuous lifting of the level of consumption, frostless, large volume, the wind cooling refrigerator rapidly of freezing become the close product of looking at of consumption institute gradually.Wind cooling refrigerator is compared compared with direct cooling refrigerator, has many advantages.But relative, the power consumption of wind cooling refrigerator is also higher than general direct cooling refrigerator.Therefore, how to reduce wind cooling refrigerator power consumption, designing energy-efficient air channel structure becomes the emphasis of each producer research and probe.
Existing wind cooling refrigerator air channel is mainly made up of the evaporator assemblies for heat exchange, air channel main body, fan component, supply air duct and return airway.Under hiding on two warm areas, freeze wind cooling refrigerator as example, refrigeration and the following 2 kinds of modes of the main employing of air channel circulation.
(1) one is single evaporator, single fan structure.Air channel main body and evaporimeter are installed in refrigerating chamber, on refrigerating chamber supply air duct, MOD are installed, and temperature sensor is all arranged in chamber between 2.By door opening and closing, control the refrigeration of refrigerating chamber.The defect of this kind of scheme is, because evaporimeter and circulating fan are placed on refrigerating chamber, refrigerating chamber refrigeration cannot be closed separately.Thereby ought freezingly reach design temperature, and refrigerating chamber be need to continue to freeze time, freezing temperature can continue to decline, and causes refrigerating chamber to cross the energy waste that cold-peace is unnecessary.
Meanwhile, because of refrigerating return air temperature, refrigerating chamber refrigeration has produced larger impact to evaporating temperature, directly causes freezing return air heat transfer temperature difference lower, and in the time of refrigeration, freezing indoor temperature goes up not down often.
Due to above-mentioned actual condition, this kind of endless form can cause evaporating temperature and system effectiveness in the time that refrigerating freezes with freezing separate refrigeration simultaneously, to have marked change, make system within each refrigeration cycle, there is the longer time to depart from optimum operating condition point, cause system effectiveness lower, power consumption is bigger than normal.
(2) another kind is double evaporators dual-system structure.Between air channel, chamber circulation and all independence of kind of refrigeration cycle, there is evaporimeter, the fan ducting assembly etc. of self each chamber.This kind of scheme avoided before the shortcoming that departs from of the cooling condition that causes of a kind of scheme, the design by valve and refrigeration system etc. control each between the flow of chamber, can realize each compartment temperature and independently control.The shortcoming of this scheme is, because each chamber needs independently evaporator assemblies, shared space is larger, causes wind cooling refrigerator plot ratio lower, has increased a large amount of materials and manufacturing cost.
As shown in Figure 5, for one of two temperature-zone refrigerator air channel structures of prior art, adopt single aerofoil fan 5 and air door 8 structures to realize many warm areas function, air channel main body and evaporimeter are installed in refrigerating chamber, on refrigerating chamber supply air duct, MOD is installed, and temperature sensor is all arranged in chamber between 2, by door opening and closing, control the refrigeration of refrigerating chamber.The defect of this kind of scheme is, because evaporimeter and circulating fan are placed on refrigerating chamber, refrigerating chamber refrigeration cannot be closed separately, thereby ought freezingly reach design temperature, and refrigerating chamber be need to continue to freeze time, freezing temperature can continue to decline, and causes refrigerating chamber to cross the energy waste that cold-peace is unnecessary.Simultaneously, when door opening with while closing, air circulation changes, and because refrigerating return air wind path is relatively independent, so door opening and while closing, evaporating temperature and system effectiveness can marked changes, make system within each refrigeration cycle, have the longer time to depart from optimum operating condition point, cause system effectiveness lower, power consumption is bigger than normal.
For many warm areas wind cooling refrigerator refrigerator, air channel often also only adopts the combining form of single fan and air door, and because air channel is longer, air supplying distance is far away, and the blast that single fan produces and air quantity are all not enough, cause refrigerating efficiency low, and power consumption is large.Day by day universal along with wind cooling refrigerator, above-mentioned technological difficulties become problem demanding prompt solution.
Summary of the invention
The present invention is the weak point existing in above-mentioned prior art for avoiding, and a kind of multi-fan refrigerator air duct is provided, and to solve in prior art, ducting assembly is low when high while taking larger volume, refrigerating efficiency, chamber cannot separate refrigeration and the problem of closing between part.
The present invention be technical solution problem by the following technical solutions.
A kind of multi-fan refrigerator air duct, its design feature is, comprise can and air cooling refrigerator evaporator, refrigerator each between chamber supply air duct and return airway form the air channel main body of complete ducting system, described air channel main body comprises front shroud, back shroud, foam air channel and at least two fans; Described foam air channel is arranged between described front shroud and described back shroud;
On described back shroud, be provided with fixed head, by described fixed head, the evaporimeter of described back shroud and refrigerator fit together.
The design feature of a kind of multi-fan refrigerator air duct of the present invention is also:
Described fixed head is aluminum plate.
Described fan is aerofoil fan and/or centrifugal fan.
Described centrifugal fan is closed type centrifugal fan or open centrifugal fan.
Compared with the prior art, beneficial effect of the present invention is embodied in:
A kind of multi-fan refrigerator air duct of the present invention, mainly comprises front shroud, back shroud and foam air channel etc.This refrigerator air duct is at least provided with 2 fans, and each fan has independently air channel, can be at least blows to chamber between 2 or region.This kind of air channel structure can carry out different designs for single evaporator and the many temperature-zone refrigerators of multi-evaporator; By rational design, can realize each warm area and almost reach design temperature simultaneously, guarantee the efficient operation of system within the whole refrigeration cycle, reduce the power consumption of refrigerator.This air channel structure can solve in prior art, and ducting assembly is low when high while taking larger volume, refrigerating efficiency, chamber cannot separate refrigeration and the problem of closing between part.
Refrigerator air duct of the present invention, especially for multi-chamber's wind cooling refrigerator, can by the design in multiple fans and air channel come individually or side by side cooling multiple between chamber.
A kind of multi-fan refrigerator air duct of the present invention, has cocoa and carries out difference configuration, can realize each warm area and almost reach design temperature simultaneously, take small volume, good refrigeration effect etc. advantage for single evaporator and the many temperature-zone refrigerators of multi-evaporator.
Accompanying drawing explanation
Fig. 1 is the stereogram of the air channel main body of a kind of multi-fan refrigerator air duct of the present invention.
Fig. 2 is the structure chart in the foam air channel of the air channel main body of a kind of multi-fan refrigerator air duct of the present invention.
Fig. 3 is the profile of the air channel main body of a kind of multi-fan refrigerator air duct of the present invention.
Fig. 4 is the internal structure schematic diagram of a kind of multi-fan refrigerator air duct of the present invention.
Fig. 5 is the stereogram of two temperature-zone refrigerator air channel structures of prior art.
In Fig. 1~Fig. 5, label is: 1 front shroud, 2 back shrouds, 3 foam air channels, 4 fixed heads, 5 aerofoil fans, 6 centrifugal fans, 7 motor support frames, 8 air doors.
Below pass through the specific embodiment, and the invention will be further described by reference to the accompanying drawings.
The specific embodiment
Referring to Fig. 1~Fig. 5, a kind of multi-fan refrigerator air duct, it comprise can and air cooling refrigerator evaporator, refrigerator each between chamber supply air duct and return airway form the air channel main body of complete ducting system, described air channel main body comprises front shroud 1, back shroud 2, foam air channel 3 and at least two fans; Described foam air channel 3 is arranged between described front shroud 1 and described back shroud 2;
On described back shroud 2, be provided with fixed head 4, by described fixed head 4, described back shroud 2 and the evaporimeter of refrigerator fit together.
Described fixed head 4 is aluminum plate.
Described fan is aerofoil fan 5 and/or centrifugal fan 6.
Described centrifugal fan 6 is closed type centrifugal fan or open centrifugal fan.
The air channel main body of multi-fan refrigerator air duct and air cooling refrigerator evaporator, each between chamber supply air duct and return airway form complete ducting system.Include 2 or more than two fans, each fan is provided with to the air channel of chamber air-supply therebetween.
When concrete enforcement, in the wind cooling refrigerator that is provided with air channel of the present invention, different with evaporimeter quantity according to warm area, there is following several concrete mode:
The first, if this wind cooling refrigerator is the two temperature-zone refrigerators of single evaporator, this air channel is 2 fans, by air channel independently, cold air is sent to each chamber respectively; As a certain warm area has multiple chambers, can also increase air door structure, chamber start-stop between control in corresponding position;
The second, if this wind cooling refrigerator is the many temperature-zone refrigerators of single evaporator, this air channel is at least 2 fans, take 3 compartment refrigerators of 3 warm area as example, also there are 2 kinds of embodiments: a kind of for this air channel being installed by 3 fans, each fan has independently air channel Xiang Gejian chamber air-supply; Another kind of for this air channel being installed by 2 fans, one of them fan and air delivery duct are to chamber air-supply between 2, and wherein the start-stops that freeze are controlled by air door 8 is installed in a chamber;
The third, if this wind cooling refrigerator is multi-evaporator refrigerator, this air channel is at least 2 fans, control 2 between the refrigeration of chamber; Also can be as required, air door 8 is installed, as first scheme, control 3 between the refrigeration of chamber; All the other be provided with evaporimeter between chamber, can independent cooling, this type of air channel also can be installed multiple room temperatures district is controlled.
In the wind cooling refrigerator that is provided with air channel of the present invention, apparent, as be single evaporator wind cooling refrigerator, its evaporimeter is arranged in the warm area that cryogenic temperature lower limit is minimum, in refrigerating chamber.As be multi-evaporator wind cooling refrigerator, have an evaporimeter at least in refrigerating chamber.
Each fan all has independently air intake and supply air duct, by distributing air channel, wind is transported to each chamber, and the shared evaporimeter region of each fan air intake wind path is relatively independent, to guarantee to produce not mixed influence mutually of each chamber air-flow.
Described fan as required, can be tube-axial fan, centrifugal fan or both combining forms.
As shown in Figure 3, while adopting aerofoil fan, air channel panel has certain distance B apart from fan, and distance B is at least 8mm.
While adopting centrifugal fan, centrifugal fan is closed type centrifugal fan or open centrifugal fan.
The closed spiral case that closed type centrifugal fan comprises motor and is made up of spiral case side plate and closed spiral case cover plate, described motor is fixed on a side of described closed spiral case cover plate.
The open spiral case that open centrifugal fan comprises motor and is made up of spiral case side plate and open spiral case cover plate, described motor is fixed on a side of described spiral case side plate.Electricity machine screw and buckle are fastened on ducting assembly, and the rubber washer that vibration damping is used is installed.
According to the size of the required temperature value reaching of each warm area, volume, calculate required minimum cold, in conjunction with the curve of fan duty, determine fan size, rotating speed and the classification of each warm area adaptation.As adopt aerofoil fan, and need to guarantee that air channel panel has certain distance apart from fan, be at least 8mm; As to adopt centrifugal fan, fan be closed type centrifugal fan or open centrifugal fan; As: as described in centrifugal blower be closed type centrifugal fan, the closed spiral case that comprises motor and formed by spiral case side plate and closed spiral case cover plate, described motor is fixed on a side of described closed spiral case cover plate; As described in centrifugal fan be open centrifugal fan, the open spiral case that comprises motor and formed by spiral case side plate and open spiral case cover plate, described motor is fixed on a side of described spiral case side plate.The spiral case of described centrifugal fan meets Bezier type curve.Described all electric machine screw and buckle are fastened on ducting assembly, and the rubber washer that vibration damping is used is installed.
On the back shroud of air channel main body, post aluminum plate, fit tightly with evaporimeter.Air channel front shroud air outlet is for providing cold air to refrigerating chamber, and each air outlet is provided with the deflector of guiding, to make freezer temperature even.
Back shroud and evaporimeter laminating, front shroud is provided with to the air outlet of refrigerating chamber air-out; In foam air channel, be designed with airflow circulating and the cavity to chamber air-supply between other.
As shown in Figure 3, be the cross section view in air channel of the present invention, fan electromotor is installed on motor support frame 7, as selects aerofoil fan, aerofoil fan foremost and between front shroud distance B be at least 8mm.
As shown in Figure 4, the air channel shown in this patent is multi-fan structure, is at least 2 fans, the unlatching by fan with stop controlling each compartment temperature.Fan type can be aerofoil fan or centrifugal fan, also can be its two combination, as adopted aerofoil fan, needs to guarantee that air channel panel have certain distance apart from fan, is at least 8mm; As to adopt centrifugal fan, fan be closed type centrifugal fan or open centrifugal fan; As: as described in centrifugal blower be closed type centrifugal fan, the closed spiral case that comprises motor and formed by spiral case side plate and closed spiral case cover plate, described motor is fixed on a side of described closed spiral case cover plate; As described in centrifugal fan be open centrifugal fan, the open spiral case that comprises motor and formed by spiral case side plate and open spiral case cover plate, described motor is fixed on a side of described spiral case side plate.The spiral case of described centrifugal fan meets Bezier type curve.Described all electric machine screw and buckle are fastened on ducting assembly, and the rubber washer that vibration damping is used is installed.Accompanying drawing 3 is two warm area wind cooling refrigerators air channels, and there are 2 fans its inside, air channel, and fan air channel is installed in foam air channel.
Although below only described the specific embodiment of the present invention example, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes or modification all fall into protection scope of the present invention.
Claims (4)
1. a multi-fan refrigerator air duct, it is characterized in that, comprise can and air cooling refrigerator evaporator, refrigerator each between chamber supply air duct and return airway form the air channel main body of complete ducting system, described air channel main body comprises front shroud (1), back shroud (2), foam air channel (3) and at least two fans; Described foam air channel (3) is arranged between described front shroud (1) and described back shroud (2);
On described rear plate (2), be provided with fixed head (4), by described fixed head (4), described back shroud (2) and the evaporimeter of refrigerator fit together.
2. a kind of multi-fan refrigerator air duct according to claim 1, is characterized in that, described mounting plate (4) is aluminum plate.
3. according to a kind of multi-fan refrigerator air duct described in claim 1 and 2, it is characterized in that, described fan is aerofoil fan (5) and/or centrifugal fan (6).
4. according to a kind of multi-fan refrigerator air duct described in claim 1,2 and 3, it is characterized in that, described centrifugal fan (6) is closed type centrifugal fan or open centrifugal fan.
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CN201410148407.9A CN103900325B (en) | 2014-04-14 | 2014-04-14 | A kind of multi-fan refrigerator air duct |
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CN201410148407.9A CN103900325B (en) | 2014-04-14 | 2014-04-14 | A kind of multi-fan refrigerator air duct |
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CN103900325B CN103900325B (en) | 2016-08-17 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107388699A (en) * | 2017-08-25 | 2017-11-24 | 合肥美菱股份有限公司 | A kind of ducting assembly and its control method for refrigerator |
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CN1143737A (en) * | 1994-12-10 | 1997-02-26 | 三星电子株式会社 | Refrigerator and temperature control method thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107388699A (en) * | 2017-08-25 | 2017-11-24 | 合肥美菱股份有限公司 | A kind of ducting assembly and its control method for refrigerator |
CN107388699B (en) * | 2017-08-25 | 2019-12-03 | 长虹美菱股份有限公司 | A kind of ducting assembly and its control method for refrigerator |
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