CN1683863A - Cold air circulation device for refrigerator - Google Patents
Cold air circulation device for refrigerator Download PDFInfo
- Publication number
- CN1683863A CN1683863A CN 200410018920 CN200410018920A CN1683863A CN 1683863 A CN1683863 A CN 1683863A CN 200410018920 CN200410018920 CN 200410018920 CN 200410018920 A CN200410018920 A CN 200410018920A CN 1683863 A CN1683863 A CN 1683863A
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- refrigerating chamber
- cold air
- air
- cold
- refrigerator
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The cold air circulation device for refrigerator includes partition boards to separate the freezing chamber and the cold storage chamber and to provide cold air supplying passage and cold air recovering passage to the cold storage chamber; air deflector to regulate cold supply in the cold air supplying passage; at least one air exhaust in the upper part of the cold storage chamber, right cold air guiding path and left cold air guiding path; and blower for blowing cold air inside the air exhaust. The present invention has forced circulation of cold air inside the cold storage chamber to reach homogeneous temperature distribution and high cooling efficiency.
Description
Technical field
The invention relates to the invention of the apparatus for cold air circulation of refrigerator, particularly about the invention of the apparatus for cold air circulation of the refrigerator in the output air channel that flows into and output to refrigerating chamber inside at the cold air of refrigerating chamber by left side and right side port.
Background technology
In general, refrigerator inside is divided under design temperature keeping ice maker container and the refrigerating chamber of frozen food and the refrigerating chamber of taking in chilled goods, and its inside is provided with freezing cycle device and with evaporation, compression, condensing, the freeze cycle loop of expanding.In closed circuit, the external heat of utilizing evaporimeter to absorb keeps freezing, the frozen state in its inside.In the refrigerator of prior art, refrigerating chamber is generally positioned at the structure on refrigerating chamber top, but large-scale refrigerator capacious then is provided with about refrigerating chamber and refrigerating chamber with the keeping food of volume more, and what generally use is type refrigerator side by side.
As shown in Figure 1, in type refrigerator side by side, be provided with dividing plate 30 between the refrigerating chamber 20 of the refrigerating chamber 10 of freezing keeping food and refrigeration keeping in the inner accepting space of body 1, thus the refrigerating chamber 10 and the refrigerating chamber 20 that form by body about 1 and be arranged at refrigerating chamber 10 and the front of refrigerating chamber 20 also the hatch door (not shown) of switching constitute.
The top, rear of refrigerating chamber 10 is equipped with fan 12, and the cold air that is used for cooling off by the evaporimeter (not shown) that is installed in top, refrigerating chamber 10 rear flow in the refrigerator and makes its circulation.The front of fan 12 is equipped with fixed part 11, is formed with the throttle orifice of the cold air that flows into when being used to send fan 12 rotations in it.The front of fixed part 11 is equipped with cold air is passed out to ice maker 15 and generates the lattice air grid of icing 13.The bottom of fan 12 is equipped with lattice air grid 14, is used for cold air is outputed in the refrigerating chamber 10.Like this, lattice air grid 13, lattice air grid 14, dividing plate 30 constitute certain space.
The top of dividing plate 30 is formed with the cold air that is used for fan 12 output and flow into cool-air feed path 31 in the refrigerating chamber 20, its underpart be formed with then that the cold air that is used for being circulated in refrigerating chamber 20 flow into the evaporimeter (not shown) and again the cold air of cooling suck path 32.
The inside of refrigerating chamber 20 is equipped with most shelves 21 that are used to place food at regular intervals, and the top of refrigerating chamber 20 is equipped with output air channel 22, and its inside is formed with and is connected with cool-air feed path 31 and to the delivery outlet 23 of refrigerating chamber 20 cool-air feeds.
When connecting power supply in the refrigerator of type side by side of as above structure, the compressor (not shown) that constitutes freeze cycle will be driven and be compressed cold air, and freeze cycle is started working immediately.
Work by freeze cycle, the temperature of evaporimeter (not shown) reduces and forms cold air, the fan 12 that is installed in refrigerating chamber 10 tops is started working, cold air by lattice air grid 13 is blown in the ice maker 15 that ice making uses and begins ice making, and the cold air by lattice air grid 14 then supplies in the refrigerating chamber 10 and is circulated in refrigerating chamber 10 inside with the cooling refrigerator inside.
As shown in Figure 2, a cold air part of supplying with by fan 12 will flow in the cool-air feed path 31 that the top of dividing plate 30 forms, the cold air that flows into then outputs in the refrigerating chamber 20 by the delivery outlet 23 that is communicated in above-mentioned cool-air feed path 31 and is formed at above-mentioned output air channel 22, then circulates refrigerating chamber 20 in.
Be circulated in cold air in the refrigerating chamber 20 and will have sucked by cold air and export 32 and be returned in the evaporimeter, outputed in the refrigerator by fan 12 again and constitute loop structure like this.
In the aforesaid cold air circulating structure, when refrigerating chamber 10 and refrigerating chamber 20 temperature inside arrival uniform temperature, compressor will quit work, and meanwhile freeze cycle also stops immediately.When the temperature of refrigerating chamber 20 rises to design temperature when above, compressor will drive and advance freeze cycle again.
Said process is to remain below the uniform temperature in the cooling refrigerator so repeatedly.
But, in the refrigerator of type side by side of as above structure, the cold air of refrigerated compartment 20 only leans on the delivery outlet 23 in the output air channel 22 that forms by refrigerating chamber 20 tops to export, refrigerating chamber 20 inside that form that cause extending up and down can't evenly be cooled off, Temperature Distribution between each case that is separated by shelf 21 is had than big-difference, and circulating cold air is also desirable not to the utmost.
In addition, because cold air causes the cooling velocity that integral body is cooled to below the uniform temperature in the refrigerating chamber 20 to slow down only from the top output of refrigerating chamber 20.
Summary of the invention
For solving the problem that exists in the above-mentioned technology, the cold air that the object of the present invention is to provide forced circulation refrigerating chamber inside is to reach even heat distribution and to improve the apparatus for cold air circulation of the refrigerator of cooling effectiveness.
To achieve these goals, the technical solution used in the present invention provides a kind of apparatus for cold air circulation of refrigerator, the cold air that includes refrigerating chamber and the refrigerating chamber of separating refrigerator body inside and the cool-air feed path of supplying with refrigerating chamber side cold air and recovery cold air sucks the dividing plate of path, wherein: on described cool-air feed path, be connected with the windscreen that is used to add and subtract cool-air feed, be provided with at least two output air channels with upper port on the top of refrigerating chamber, be connected with described output air channel, and the left side wall by refrigerating chamber is provided with the left side cold air guiding stream of left side port guiding cold air, be connected with the described air channel that spues, and the right side wall by refrigerating chamber is provided with the right side cold air guiding stream of right side port guiding cold air, and the refrigerating chamber blowing fan of the pressure blowing cooling air that is provided with is installed in the internal insulation in described output air channel.Described refrigerating chamber blowing fan rotates when windscreen is closed.
On the left surface of refrigerating chamber and right flank, be provided with left side port and right side port respectively at regular intervals, in each case of refrigerating chamber, be provided with at least more than one.
From refrigerating chamber two upper lateral parts left side port and the right side port set to the bottom, its port internal diameter increases gradually.
The invention has the beneficial effects as follows in the cold air circulation device of refrigerator of the present invention, inflow has the output air channel that supplies to a part of cold air in the refrigerating chamber to be formed at the refrigerating chamber upper lateral part, and be formed with the left side cold air guiding stream that is used to be communicated with output air channel and left side port, and the right side cold air guiding stream that is used to be communicated with output air channel and right side port.Make when forcing blowing cooling air by the refrigerating chamber blowing fan rotation that is installed on output inside, air channel, suck cold air by the left side port and suck cold air to the output of left side port to the output of right side port or by the right side port, make the cold air forced circulation of refrigerating chamber inside, thereby it is even to reach interior temperature distribution, has improved cooling effectiveness simultaneously.
Description of drawings
Fig. 1 is the part section structure chart of the refrigerator of type side by side in the prior art;
Fig. 2 is the refrigerating chamber profilograph of type refrigerator side by side among Fig. 1;
Fig. 3 is the front elevation that an example refrigerating chamber internal structure of middle cold air circulation device of refrigerator of the present invention is housed;
Fig. 4 is the profilograph of refrigerating chamber among Fig. 3;
Fig. 5 and Fig. 6 are respectively Fig. 4's " A-A " part sectioned view.
Among the figure:
20: refrigerating chamber 30: dividing plate
141: windscreen 142: the output air channel
143: left side cold air guiding stream 143a: left side port
144: right side cold air guiding stream 144a: right side port
145: the refrigerating chamber blowing fan
The specific embodiment
Be described in further detail below in conjunction with the apparatus for cold air circulation of the drawings and specific embodiments to refrigerator of the present invention, the part identical with prior art then given the same-sign explanation.
Extremely shown in Figure 6 as Fig. 3, in the refrigerator of the apparatus for cold air circulation that the present invention's one example is installed, be provided with dividing plate 30 between the refrigerating chamber 20 of the refrigerating chamber 10 of freezing keeping food and refrigeration keeping in the inner accepting space of body 1, refrigerating chamber 10 and refrigerating chamber 20 that event is formed by body about 1, and the hatch door (not shown) formation that is arranged at the front of refrigerating chamber 10 and refrigerating chamber 20 and opens and closes.
Be formed with the cold air that is used for fan 12 outputs on the top of dividing plate 30 and flow into cool-air feed path 31 refrigerating chamber 20 in, its underpart is formed with then that the cold air that is used for being circulated in refrigerating chamber 20 flow into the evaporimeter (not shown) and the cold air of cooling suction path 32 again.
The inside of refrigerating chamber 20 is equipped with most shelves 21 that are used to place food at regular intervals, windscreen 141 is installed with the plus-minus cool-air feed in the cool-air feed path 31.The upper lateral part of refrigerating chamber 20 is equipped with output air channel 142, output air channel 142 includes windscreen 141 and is connected in cool-air feed path 31, be formed with most port 142a in it, the inside of the refrigerating chamber 20 that is used for to spue from the cold air that cool-air feed path 31 flows into.Produce the refrigerating chamber blowing fan 145 of forced air supply power when the internal insulation installation in output air channel 142 and rotation.
The left side wall of refrigerating chamber 20, promptly dividing plate 30 faces are formed with in refrigerating chamber 20 each case at least more than one left side port 143a at regular intervals and and be connected the inside of exporting air channel 142 and import the left side cold air guiding stream 143 of cold air.The right flank of refrigerating chamber 20 is formed with in refrigerating chamber 20 each case at least more than one right side port 144a at regular intervals and and be connected the inside of exporting air channel 142 and imports the left side cold air guiding stream 144 of cold air.Wherein, the port internal diameter size of left side port 143a and right side port 144a necessarily there is no big harm, but as shown in the figure, relies on the following side of refrigerating chamber, and its port internal diameter setting is big more, then helps the inner loop of cold air and the supply of cold air.
Be equipped with in the refrigerator work process of as above the present invention's one example apparatus for cold air circulation of structure, the cold air in the refrigerating chamber 10 take place and the cool-air feed method identical with structure in the prior art, below describe refrigerating chamber 20 interior cool-air feed and cyclic process in detail.
When opening windscreen 141, the a part of cold air that supplies to refrigerating chamber 10 flow into the inside in output air channel 142 by cool-air feed path 31, the a part of cold air that flows into flow into the inside of refrigerating chamber by connecting the port 142a that forms, and another part then flow into left side cold air guiding stream 143 and guiding and supply to respectively by left side port 143a refrigerates in the chamber.Some is then by between the refrigerating chamber blowing fan 145 that stops the rotation, and flow into right side cold air guiding stream 144 and guiding and supply to respectively by right side port 144a refrigerates in the chamber.
At this moment, if under the situation that refrigerating chamber 20 temperature inside sharply rise, refrigerating chamber blowing fan 145 begins rotation, flow into the amount of the cold air in the cool-air feed path 31 with increase, makes it supply to cold air rapidly in refrigerating chamber 20 inside.
To keep its internal temperature be proper temperature when following to refrigerating chamber 20 is inner when cool-air feed as mentioned above, and windscreen 141 is started working and sealed cool-air feed path 31, flows into cold to prevent thereby cut off the cold air that continues.
In addition, when being rotated in the forward refrigerating chamber blowing fan 145 under windscreen 141 closing state, will sucking the cold air of refrigerating chamber 20 inside and import to left side cold air guiding stream 143, flow into output 142 inside, air channel then by each left side port 143a.Perhaps the port 142a that forms of the left side by refrigerating chamber blowing fan 145 in the drawing flow into output 142 inside, air channel.
Flow into the cold air of output in the air channel 142 by refrigerating chamber blowing fan 145 forced air supplies, the port 142a that the right side by refrigerating chamber blowing fan 145 in the drawing forms outputs to refrigerating chamber 20 inside.Perhaps output to refrigerating chamber 20 inside by 144 importings of right side cold air guiding stream and by right side port 144a.Above-mentioned cyclic process is carried out at interval repeatedly by certain hour, refrigerating chamber 20 temperature inside is distributed keep evenly.
Identical therewith, when windscreen 141 closing state subinverses rotation refrigerating chamber blowing fan 145, the port 142a that will form by the right side of refrigerating chamber blowing fan 145 in each right side port 144a and the drawing sucks the cold air of refrigerating chamber 20 inside.The inside that the cold air that sucks will output to refrigerating chamber by output air channel 142 and the port 142a that forms by refrigerating chamber blowing fan 145 left sides in the drawing subsequently and left side port 143a is to carry out the circulation of cold air.
As mentioned above, in the cold air circulation device of refrigerator of the present invention's one example, the inside that flows into the output air channel 142 of cold air in it is equipped with refrigerating chamber blowing fan 145, and be formed with the left side cold air guiding stream 143 that is used to be communicated with output air channel 142 and left side port 143a, and be used to be communicated with the right side cold air guiding stream 144 of air channel 142 and right side port 144a of spuing, thereby the cold air of circulation refrigerating chamber 20 inside is evenly distributed refrigerating chamber 20 temperature inside.
Claims (4)
1, a kind of apparatus for cold air circulation of refrigerator, include refrigerating chamber and the cool-air feed path of refrigerating chamber and cool-air feed and the dividing plate of the cold air suction path that reclaims cold air of separating refrigerator body inside, it is characterized in that: on described cool-air feed path (31), be connected with the windscreen (141) that is used to add and subtract cool-air feed, be provided with the output air channel (142) of at least more than one port (142a) on the top of refrigerating chamber (20), be connected with described output air channel (142), and the left side wall by refrigerating chamber (20) is provided with the left side cold air guiding stream (143) of left side port (143a) guiding cold air, be connected with described output air channel (142), and the right side wall by refrigerating chamber (20) is provided with the right side cold air guiding stream (144) of right side port (144a) guiding cold air, and the refrigerating chamber blowing fan (145) of the pressure blowing cooling air that is provided with is installed in the internal insulation in described output air channel (142).
2, the apparatus for cold air circulation of refrigerator according to claim 1, it is characterized in that: left side port (143a) and right side port (144a) are set respectively on the left surface of refrigerating chamber (20) and the right flank at regular intervals, and in each case of refrigerating chamber (20), are provided with at least more than one.
3, the apparatus for cold air circulation of refrigerator according to claim 2 is characterized in that: from refrigerating chamber (20) two upper lateral parts left side port (143a) and the right side port (144a) set to the bottom, its port internal diameter increases gradually.
4, the apparatus for cold air circulation of refrigerator according to claim 1 is characterized in that: described refrigerating chamber blowing fan (145) rotates when closing at windscreen (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018920 CN1683863A (en) | 2004-04-12 | 2004-04-12 | Cold air circulation device for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018920 CN1683863A (en) | 2004-04-12 | 2004-04-12 | Cold air circulation device for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1683863A true CN1683863A (en) | 2005-10-19 |
Family
ID=35263291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410018920 Pending CN1683863A (en) | 2004-04-12 | 2004-04-12 | Cold air circulation device for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1683863A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228369A (en) * | 2010-10-01 | 2013-07-31 | 高马克公司 | Product testing system and associated methods |
| CN103900321A (en) * | 2014-04-08 | 2014-07-02 | 常熟市海格尔电器有限公司 | Fast refrigeration system in refrigerator |
| CN104534776A (en) * | 2014-12-29 | 2015-04-22 | 合肥美的电冰箱有限公司 | Air-cooled refrigerator |
| CN110118461A (en) * | 2018-02-06 | 2019-08-13 | 日立空调·家用电器株式会社 | Refrigerator |
| CN110579059A (en) * | 2019-09-12 | 2019-12-17 | 合肥华凌股份有限公司 | Refrigerator and control method and device thereof |
| CN114165968A (en) * | 2021-12-02 | 2022-03-11 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
-
2004
- 2004-04-12 CN CN 200410018920 patent/CN1683863A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228369A (en) * | 2010-10-01 | 2013-07-31 | 高马克公司 | Product testing system and associated methods |
| CN103900321A (en) * | 2014-04-08 | 2014-07-02 | 常熟市海格尔电器有限公司 | Fast refrigeration system in refrigerator |
| CN103900321B (en) * | 2014-04-08 | 2016-06-29 | 山东三九制冷设备有限公司 | Rapid refrigerating system in refrigerator |
| CN104534776A (en) * | 2014-12-29 | 2015-04-22 | 合肥美的电冰箱有限公司 | Air-cooled refrigerator |
| CN110118461A (en) * | 2018-02-06 | 2019-08-13 | 日立空调·家用电器株式会社 | Refrigerator |
| CN110579059A (en) * | 2019-09-12 | 2019-12-17 | 合肥华凌股份有限公司 | Refrigerator and control method and device thereof |
| CN110579059B (en) * | 2019-09-12 | 2021-06-18 | 合肥华凌股份有限公司 | Refrigerator and control method and device thereof |
| CN114165968A (en) * | 2021-12-02 | 2022-03-11 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
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