CN206739718U - Refrigerator - Google Patents

Abstract

The utility model discloses a kind of refrigerator, and the refrigerator has refrigerating chamber, and the refrigerating chamber includes first chamber and positioned at first chamber lower section and at least second chamber arranged successively in upward and downward；The refrigerator includes ducting assembly and constriction, and the back side of the ducting assembly is provided with air channel, and the air channel has an air inlet, and corresponds to the first air outlet connected with the first chamber and the second air outlet connected with the second chamber respectively；The constriction is installed on in the air channel of the second chamber position correspondence, and positioned at the lower section of second air outlet, the air-flow of corresponding second air outlet being flowed through for partial obstruction.The balanced cold air amount discharged from the air outlet of each chamber of technical solutions of the utility model, reduces the temperature difference in each chamber.

Description

Refrigerator

Technical field

Field of household appliances technical field is the utility model is related to, more particularly to a kind of refrigerator.

Background technology

A kind of air channel of existing refrigerator is arranged in the side wall of refrigerating chamber, and refrigerating chamber may have multiple chambers, such as Refrigerating chamber includes three chambers from top to bottom arranged successively, and air channel has an air inlet and from top to bottom arrange successively first Air port, second row air outlet and the 3rd discharge air port are discharged, air port is often discharged in a corresponding chamber and connects with the chamber It is logical, above-mentioned size, the shape all same for often discharging air port.

But because cold air can sink, row's cold air amount in the 3rd discharge air port will certainly be caused to be more than the second discharge Row's cold air amount in air port, row's cold air amount of second row air outlet is more than row's cold air amount of first row air outlet, so as to lead Temperature in each chamber of cause refrigerating chamber is unbalanced, and the temperature difference is larger.

Utility model content

Main purpose of the present utility model is to provide a kind of refrigerator, it is intended to solves in each chamber of the refrigerating chamber of current refrigerator The larger technical problem of the temperature difference.

To achieve the above object, the utility model proposes a kind of refrigerator, the refrigerator has refrigerating chamber, the refrigerating chamber Including first chamber and positioned at first chamber lower section and at least second chamber arranged successively in upward and downward；The refrigerator Including ducting assembly and constriction, the back side of the ducting assembly is provided with air channel, and the air channel has an air inlet, with and The first air outlet connected with the first chamber and the second air outlet connected with the second chamber are corresponded to respectively；The limit Stream part be installed on in the air channel of the second chamber position correspondence, and positioned at second air outlet lower section, be used for Partial obstruction flows through the cold air of corresponding second air outlet.

Preferably, the first chamber is provided with spaced two of left and right first air outlet, and described second Chamber is provided with spaced two of left and right second air outlet.

Preferably, the refrigerator is additionally included in the divider of upward and downward extension, and the divider is arranged in the air channel And between two first air outlets and two second air outlets by the air channel in left and right to being divided into two.

Preferably, the lower end of the divider is provided with diversion division, and the diversion division is in tapered setting from up to down.

Preferably, the second chamber is multiple that position corresponding with each second chamber is all provided with the air channel A constriction is equipped with, multiple constrictions are concatenated by the divider.

Preferably, the maximum cross-section area of multiple constrictions in the horizontal direction increases successively from top to bottom.

Preferably, each constriction includes body, and the body is in tapered setting from up to down.

Preferably, the side of the left and right of the body two is set in cambered surface.

Preferably, each constriction also includes being arranged at the conduction part above the body, and the conduction part has The side wall of left and right two, two side walls are vertically to extension.

Preferably, each constriction includes two restrictions, and two restrictions are located at the divider respectively Both sides.

Preferably, two restrictions are connected on the side of left and right two of the divider respectively.

Technical solutions of the utility model pass through position installation corresponding with the second chamber limit in the air channel Part is flowed, and the constriction is located at the lower section of corresponding second air outlet, reduces from second air outlet and arranges with this The cold air amount gone out, while increase the cold air amount from first air outlet discharge, so as to the balanced air-out from each chamber The cold air amount of mouth discharge, reduces the temperature difference in each chamber.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the structural representation of the utility model refrigerator；

Fig. 2 is the schematic diagram of ducting assembly Facad structure in Fig. 1；

Fig. 3 is the schematic diagram of ducting assembly inverse layer structure in Fig. 2.

Drawing reference numeral explanation：

Label	Title	Label	Title
				10	Refrigerating chamber	213	Second air outlet
11	First chamber	30	Constriction
				12	Second chamber	31	Body
20	Ducting assembly	32	Conduction part
				21	Air channel	40	Divider
211	Air inlet	41	Diversion division
				212	First air outlet

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.

In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme Occur conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the requires of the utility model Protection domain within.

Shown in reference picture 1, rectangular coordinate system in space o-xyz is established, wherein, x-axis positive direction is upper, under x-axis negative direction is； Before y-axis positive direction is, after y-axis negative direction is；Z-axis positive direction is the right side, and z-axis negative direction is a left side.

The utility model provides a kind of refrigerator.Refrigerator has generally included shell, and two inner bags up and down are provided with shell, its One of be refrigerating chamber inner bag, another is refrigerating chamber inner bag, and ducting assembly, ducting assembly are provided with rear side of refrigerating chamber inner bag Upper to have air channel, the air channel connects with refrigerating chamber inner bag, to convey cold air to refrigerating chamber.Above-mentioned cold air refers to change through refrigerator The low-temperature airflow formed after hot device heat exchange.

Referring to figs. 1 to Fig. 3, the utility model proposes a kind of refrigerator in fact, and the refrigerator has refrigerating chamber 10, the refrigeration Room 10 includes first chamber 11 and positioned at the lower section of first chamber 11 and at least second chamber arranged successively in upward and downward 12.The refrigerator includes ducting assembly 20 and constriction 30, and the back side of the ducting assembly 20 is provided with air channel 21.The air channel 21 have an air inlet 211, and correspond to the first air outlet 212 connected with the first chamber 11 respectively and with described second The second air outlet 213 that chamber 12 connects.The constriction 30 is installed on the wind with the position correspondence of second chamber 12 In road 21, and positioned at the lower section of second air outlet 213, corresponding second air outlet 213 is flowed through for partial obstruction Cold air.

Refrigerating chamber inner bag generally includes left side wall, right side wall and rear wall.The left side wall, the right side wall and described Rear wall encloses jointly sets the refrigerating chamber 10 to form refrigerator, is set wherein the rear wall is relative with the opening of the refrigerating chamber inner bag Put.The front of the ducting assembly 20 is bonded the rear wall, and the back side recess of the ducting assembly 20 forms air channel 21.

The air inlet 211 is arranged on the bottom in the air channel 21, and first air outlet 212 is by the air channel 21 and institute State first chamber 11 to connect, second air outlet 213 connects in the air channel 21 with the second chamber 12, and cold air is in institute State in air channel 21 is bottom-up flowing.

Because cold air can sink, the cold air amount ratio from first air outlet 212 discharge is caused to go out from described second The cold air amount that air port 213 is discharged is few, so each chamber temperature difference of refrigerating chamber 10 is larger.Here, by the air channel 21 Constriction 30 is set, to reduce the cold air amount from second air outlet 213 discharge.Because flowed into from the air inlet 211 Cold air total amount be certain, it is balanced with this so can so increase the cold air amount from first air outlet 212 discharge The cold air amount discharged from the air outlet of each chamber, reduces the temperature difference in each chamber.

It is understood that the constriction 30 can be set with adjacent second air outlet 213, can also be located at described The lower section remote position of second air outlet 213, the constriction 30 are located at the lower section of second air outlet 213.Institute The shape for stating constriction 30 can be triangle, square, trapezoidal, circular or circular arc, as long as can be used in partial obstruction stream Cold air amount through corresponding second air outlet 213.

Technical solutions of the utility model with the 12 corresponding position of second chamber in the air channel 21 by installing institute Constriction 30 is stated, and the constriction 30 is located at the lower section of second air outlet 213, is reduced with this from second air-out Cold air amounts of mouthfuls 213 discharges, while increase the cold air amount from first air outlet 212 discharge, so as to balanced from each The cold air amount of the air outlet discharge of chamber, reduces the temperature difference in each chamber.

In the present embodiment, the first chamber 11 is provided with spaced two of left and right first air outlet 212, the second chamber 12 is provided with spaced two of left and right second air outlet 213.Here, compared to one For first air outlet 212 and second air outlet 213, set two first air outlets 212 in left and right with Second air outlet 213 of left and right two, it can prevent cold air from concentrating from the air outlet of the first air outlet 212 and second Flowed among 213 corresponding to the refrigerating chamber 10 in chamber, so as to be advantageous to being uniformly distributed for cold air.

Refering to Fig. 3, the refrigerator is additionally included in the divider 40 of upward and downward extension, and the divider 40 is arranged at the wind In road 21, and between two first air outlets 212 and two second air outlets 213 by the air channel in left and right To being divided into two.

Because the air channel 21 has been separated into two sub-air channels in non-interfering left and right by the divider 40, thus can be with Prevent the wind circulation in two sub-air channels in left and right from producing turbulent flow, flow through two first air outlets 212 in left and right and left and right two The cold air amount of individual second air outlet 213 is more uniform.

In the present embodiment, the longer divider 40 that the divider 40 is formed for upper and lower extension.It is appreciated that In other embodiments, the divider 40 can also be connected by multiple shorter dividers 40 and formed.

The lower end of the divider 40 is provided with diversion division 41, and the diversion division 41 is in tapered setting from up to down.Specifically , the shape of the diversion division 41 is substantially in del.The effect of the diversion division 41 is will to enter from the air inlet 211 Cold air be divided into two strands of cold airflows, two strands of cold airflows flow to the both sides of the divider 40 respectively.In addition, the water conservancy diversion The tapered setting from up to down of portion 41, it can further weaken cold air and move the resistance being subject to from bottom to top.

It is pointed out that the second chamber 12 is multiple, it is right with each second chamber 12 in the air channel 21 The position answered is provided with a constriction 30, and multiple constrictions 30 are sequentially connected in series from top to bottom by the divider 40. In the present embodiment, the second chamber 12 is two, and the constriction 30 is also two.

It is understood that the divider 40 can be interspersed in multiple constrictions 30 successively from top to down On.In addition, the divider 40 can also be structure as a whole with multiple constrictions 30.

Further, the maximum cross-section area of multiple constrictions 30 in the horizontal direction increases successively from top to bottom.It is more The individual constriction 30 is arranged in order in upward and downward, and cold air flows from bottom to top in the air channel 21, the edge of constriction 30 The maximum cross-section area of horizontal direction is bigger, then second air outlet 213 corresponding to the flow direction that the constriction 30 can stop Cold air amount it is more.

Each constriction 30 includes body 31, and the body 31 is in tapered setting from up to down.The body 31 is in The effect of tapered setting is the flow direction by the way that cold air is altered in steps, with this come reduce cold air it is bottom-up flowing by Air drag.Specifically, the body 31 is shaped as del.

Further, the side of the left and right of the body 31 two is set in cambered surface.In the present embodiment, the arcwall face Can be recessed to be formed by the left surface or right flank of the body 31.It is appreciated that in other embodiments, the arc Face can also be formed by the left side of the body 31 away from the direction projection of the left surface, or by the body 31 Right side formed away from the direction projection of the right flank.

It is pointed out that by the lateral layout camber face of left and right two of the body 31, be advantageous to the air channel 21 The flowing of interior cold air, the air stream in the air channel 21 will not be caused disorderly because of sharp corner angle, so as to which air-out is smooth, system Cold effect is more preferable.

Refering to Fig. 3, each constriction 30 also includes the conduction part 32 for being arranged at the top of body 31, the drainage Portion 32 has two side walls in left and right, and two side walls to extension, are flowing up to guide air-flow vertically. This, the effect of the conduction part 32 is to ensure that cold air vertically flow to second air outlet 213 bottom-uply.Example Such as, if being not provided with the conduction part 32, cold air can deviate vertical direction and flow to second air outlet 213 by resistance shelves Side.

The diversion division 32 can be cube shape structure, or arcuate structure, as long as the diversion division 32 includes two It is individual vertically to the side of extension.Because the diversion division 32 has two vertically to the side of extension, it is possible to protects The cold air for demonstrate,proving the both sides of constriction 30 vertically flow to second air outlet 213 bottom-uply.

In the present embodiment, the body 31 is structure as a whole with the conduction part 32.It is appreciated that in other embodiments In, the body 31 and the conduction part 32 can also be two independent structures.

In another embodiment, each constriction 30 can include two restrictions, two restriction difference Positioned at the both sides of the divider 40.Here, two restrictions can be respectively positioned at any of the both sides of divider 40 Position, as long as two restrictions are located in the corresponding same second chamber 12.

Preferably, two restrictions are connected on the side of left and right two of the divider 40 respectively.It is each described Restriction is shaped as right-angled trapezium or right angled triangle.

Below exemplified by the refrigerator of ducting assembly as shown in Figure 3 to be installed, the temperature of each chamber of refrigerating chamber is carried out Test.It is pointed out that the test be according to《GB 12021.2-2015 household electric refrigerator power consumption limit values and energy effect Rate grade》It is required that under 32 DEG C of environment temperatures, test refrigerator is carried out at three kinds of gear temperature (2 DEG C, 5 DEG C, 8 DEG C) respectively Three groups of retests.Wherein, each chamber of the refrigerating chamber is from top to bottom labeled as No. 1, No. 2, No. 3 successively.

Test result is as shown in the table：

As can be seen from the above table, the refrigerator of ducting assembly as shown in Figure 3 is installed, the maximum temperature of each chamber of its refrigerating chamber Difference is can be controlled between 0.2 DEG C to 0.6 DEG C.It should be noted that the maximum temperature of each chamber of the refrigerating chamber of existing wind cooling refrigerator Difference is substantially more than 2 DEG C.It is possible thereby to prove, the refrigerator that technical solutions of the utility model provide, refrigerating chamber is efficiently reduced The temperature difference of each chamber, improve the temperature homogeneity of each chamber of refrigerating chamber.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims (11)

1. a kind of refrigerator, has refrigerating chamber, the refrigerating chamber includes first chamber and below the first chamber and upper It is lower at least second chamber arranged successively, it is characterised in that the refrigerator includes：

Ducting assembly, the back side of the ducting assembly are provided with air channel, and the air channel has an air inlet, and correspond to respectively with First air outlet of the first chamber connection and the second air outlet connected with the second chamber；

Constriction, be installed on in the air channel of the second chamber position correspondence, and under second air outlet Side, the cold air of corresponding second air outlet is flowed through for partial obstruction.

2. refrigerator as claimed in claim 1, it is characterised in that the first chamber is provided with left and right spaced two First air outlet, the second chamber are provided with spaced two of left and right second air outlet.

3. refrigerator as claimed in claim 2, it is characterised in that the refrigerator is additionally included in the divider of upward and downward extension, institute Divider is stated to be arranged in the air channel and between two first air outlets and two second air outlets by institute Air channel is stated in left and right to being divided into two.

4. refrigerator as claimed in claim 3, it is characterised in that the lower end of the divider is provided with diversion division, the water conservancy diversion Portion is in tapered setting from up to down.

5. refrigerator as claimed in claim 3, it is characterised in that the second chamber is multiple, and each institute in the air channel in State position corresponding to second chamber and be provided with a constriction, multiple constrictions are concatenated by the divider.

6. refrigerator as claimed in claim 5, it is characterised in that the maximum cross-section area of multiple constrictions in the horizontal direction Increase successively from top to bottom.

7. refrigerator as claimed in claim 6, it is characterised in that each constriction includes body, the body on to It is in tapered setting down.

8. refrigerator as claimed in claim 7, it is characterised in that the side of left and right two of the body is set in cambered surface.

9. refrigerator as claimed in claim 8, it is characterised in that each constriction also includes being arranged above the body Conduction part, the conduction part have left and right two side walls, two side walls are vertically to extension.

10. refrigerator as claimed in claim 3, it is characterised in that each constriction includes two restrictions, described in two Restriction is located at the both sides of the divider respectively.

11. refrigerator as claimed in claim 10, it is characterised in that two restrictions are connected to the divider respectively On the side of left and right two.