CN207778909U - Refrigerator - Google Patents
Refrigerator Download PDFInfo
- Publication number
- CN207778909U CN207778909U CN201721863004.8U CN201721863004U CN207778909U CN 207778909 U CN207778909 U CN 207778909U CN 201721863004 U CN201721863004 U CN 201721863004U CN 207778909 U CN207778909 U CN 207778909U
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- Prior art keywords
- partition board
- delivery tube
- fluid delivery
- capillary
- refrigerator
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model provides a kind of refrigerator, including evaporator, the capillary being connect with evaporator, and the fluid delivery tube of connection evaporator and capillary, it is characterized in that, refrigerator further includes partition board, partition board is set to along the radial direction of fluid delivery tube in fluid delivery tube, for fluid delivery tube to be divided into the first pipeline section and the second pipeline section along fluid flow direction directional spreding, multiple through-holes for running through partition board in a thickness direction are formed on partition board, so that the fluid into the first pipeline section passes through multiple flow therethroughs to the second pipeline section, to change the sound source power of fluid stream movable property life, to achieve the purpose that reduce noise.
Description
Technical field
The utility model is related to family's electro-technical fields, more particularly to refrigerator.
Background technology
In the refrigeration systems such as existing refrigerator, refrigerator-freezer, high pressure refrigerant sprays into the evaporation of low-pressure end by the throttling of capillary
Guan Zhong, for the refrigerant at capillary jet port there are violent gas-liquid phase transition, refrigerant flow rate is in transonic speed region, will produce relatively strong
Strong noise influences refrigerator entirety sound quality.
The existing scheme for improving injection noise, mainly lengthens the length of jet segment coupling tube so that gas-liquid phase transition is steady.
In addition, also by injection line outer wrapping clay, achieve the effect that sound insulation.But in actual design, transition length of tube
Can not possibly endless, lengthen the improvement of coupling tube than relatively limited, and clay attach scheme can not from be at all solve make an uproar
Sound problem, palliative, effect is not notable, and leads to cost increase.
Invention content
In view of the above problems, a purpose of the utility model is to provide for one kind and overcoming the above problem or at least partly
The refrigerator that ground solves the above problems.
The utility model one is further objective is that fluid hydrodynamic noise and improvement refrigerator are whole in reduction fluid delivery tube
Body sound quality.
The utility model provides a kind of refrigerator, including evaporator, the capillary that is connect with evaporator and connection evaporation
The fluid delivery tube of device and capillary, which is characterized in that refrigerator further includes：
Partition board, partition board are set to along the radial direction of fluid delivery tube in fluid delivery tube, for dividing fluid delivery tube
It is divided into the first pipeline section and the second pipeline section along fluid flow direction directional spreding；
Multiple through-holes for running through partition board in a thickness direction are formed on partition board, so that the fluid into the first pipeline section is logical
Multiple flow therethroughs are crossed to the second pipeline section, to change the sound source power of fluid stream movable property life, to achieve the purpose that reduce noise.
Optionally, partition board is located at the position that capillary jet port is closed in fluid delivery tube.
Optionally, through-hole is circular hole or square hole.
Optionally, multiple through-holes are uniformly distributed on partition board.
Optionally, the internal diameter of through-hole is less than or equal to 1 millimeter.
Optionally, the cross-sectional area S of the gross area S1 of multiple through-holes and fluid delivery tube meets：S1≥3S/4.
Optionally, partition board is circle, to facilitate the matching with fluid delivery tube.
Optionally, partition board is welded on the inner wall of fluid delivery tube.
Optionally, refrigerator further includes：
Refrigerating chamber；
Capillary includes refrigeration capillary, and evaporator includes the refrigeration evaporator for providing cold to refrigerating chamber.
Optionally, refrigerator further includes：
Freezing chamber；
Capillary includes freezing capillary, and evaporator includes the refrigerating evaporator for providing cold to freezing chamber.
The refrigerator of the utility model will be flowed by the way that partition board is arranged in evaporator and intercapillary fluid delivery tube
Body delivery pipe is divided into the first pipeline section and the second pipeline section being distributed along fluid flow direction, is formed on partition board multiple in thickness side
Extend upward through the through-hole of partition board, the air-flow of capillary jet port injection enters in the first pipeline section, and by the through-hole on partition board into
Enter the second pipeline section, after air-flow is by the partition board with through-hole, therefrom low frequency is moved to the hyperfrequency that human ear can't hear to sound source power
Region improves human ear sense of hearing from there through shift frequency effect, improves the sound quality of refrigerator.
Further, in the refrigerator of the utility model, by the way that the internal diameter of through-hole on partition board is limited to less than or equal to 1 milli
The range of rice increases the shift frequency effect of sound source power, promotes noise reduction.
Further, in the refrigerator of the utility model, by limiting the fluid delivery tube cross section shared by all through-holes
Ratio, the restriction loss for avoiding partition board from bringing keeps the smooth outflow of fluid.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Description of the drawings
Some specific realities of the utility model are described in detail by way of example rather than limitation with reference to the accompanying drawings hereinafter
Apply example.Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing：
Fig. 1 is the principle schematic diagram according to the cooling cycle system of the refrigerator of the utility model one embodiment；
Fig. 2 is the fluid delivery tube longitudinal sectional drawing according to the refrigerator of the utility model one embodiment；
Fig. 3 is the cross-sectional view according to the refrigerator of the utility model one embodiment；And
Fig. 4 is the refrigerator of the utility model one embodiment and noise spectrum of the refrigerator in start process of the prior art
Comparison diagram.
Specific implementation mode
The present embodiment provides firstly a kind of refrigerator, and Fig. 1 is the refrigeration according to the refrigerator of the utility model one embodiment
The principle schematic diagram of the circulatory system.
Refrigerator may include babinet in general manner, define the storing compartment of at least one open front in babinet, between storing
The periphery of room is coated with cabinet shell, and thermal insulation material, such as foaming agent are filled between cabinet shell and storing compartment, to avoid
Cold scatters and disappears.Storing compartment is usually multiple, such as refrigerating chamber, freezing chamber, temperature-changing chamber.The quantity and work(of specific storing compartment
It can be configured according to advance demand.
Refrigerator can be direct cooling refrigerator or air cooling type refrigerator, and compression-type refrigeration cycle can be used to be used as low-temperature receiver.
Cooling cycle system generality may include compressor 10, condenser 20, capillary and evaporator etc..Refrigerant in evaporator with
Directly or indirectly with storing compartment heat exchange occurs for low temperature, absorbs the heat of storing compartment and gasification, the low-pressure steam of generation
It is sucked, is discharged with high pressure after the compression of compressor 10, the high-pressure gaseous refrigerant that compressor 10 is discharged enters cold by compressor 10
Condenser 20 condenses into highly pressurised liquid by the cooling water or air cooling of room temperature, and highly pressurised liquid flows through capillary-compensated, becomes low
Force down temperature gas-fluid two-phase mixture, into evaporator, liquid refrigerant therein sweat cooling in evaporator, generation it is low
Pressure steam is sucked by compressor 10 again, so in cycles, is constantly recycled, is realized the lasting refrigeration of refrigerator.
Usually, the cooling cycle system of refrigerator can be single loop system or binary cycle system etc., be made in single loop system
The trend of cryogen is compressor 10-- condenser 20-- capillaries -- evaporator -- compressor 10, evaporator and capillary therein
It is single.As shown in Figure 1, there are two independent capillary and evaporators for binary cycle system, it is respectively corresponding with refrigerating chamber
Refrigerate capillary 40, refrigeration evaporator 50 and freezing capillary 60 corresponding with freezing chamber and refrigerating evaporator 70.It realizes accurate
Ground controls the temperature of refrigerating chamber and freezing chamber.
As shown in Figure 1, the cooling cycle system of refrigerator may also include regenerator 30, the temperature flowed out from condenser 20 is higher
Liquid refrigerant, carry out heat exchange in regenerator 30 with from the lower refrigerant vapour of evaporator temperature, make liquid system
Cryogen is subcooled, and the liquid refrigerant of gaseous refrigerant overheat, the supercooling after the heat exchange of regenerator 30 flows into capillary so that warp
The liquid of refrigerant is more after capillary-compensated, and gaseous state is few, improves refrigeration effect；The gaseous state of overheat after the heat exchange of regenerator 30
Refrigerant is sucked by compressor 10, prevents liquid refrigerant from returning to compressor 10 and liquid hit phenomenon occurs.
For refrigerant at capillary jet port there are violent gas-liquid phase transition, refrigerant flow rate is in transonic speed region, will produce
Stronger noise, technical staff would generally attach clay outside tube wall, achieve the purpose that sound insulation, although this kind of scheme can be certain
Reduce noise in degree, but palliative, noise source (fluid flow noise) can not be eliminated, and noise can not fundamentally disappear
It removes, and can also increase cost.
Since the caliber of fluid delivery tube 110 is smaller, to ensure the smooth outflow of refrigerant fluid in pipeline, technical staff
It not will recognize that the structure for changing pipeline itself usually, and in the utility model, technical staff passes through a large amount of technological demonstration, creates
Property the structure of fluid delivery tube 110 between capillary and evaporator be improved, to solve fluid flowing from the root cause
Noise also can avoid fluid and lead to the problem of resonance with pipeline, is obviously improved the whole sound quality of refrigerator.
Fig. 2 is 110 longitudinal sectional drawing of fluid delivery tube according to the refrigerator of the utility model one embodiment, and Fig. 3 is root
According to the cross-sectional view of the refrigerator of the utility model one embodiment.
Specifically, as shown in Figure 2,3, it connects in the fluid delivery tube 110 of evaporator and capillary and is provided with partition board 111,
Partition board 111 is set to along the radial direction of fluid delivery tube 110 in fluid delivery tube 110, for separating fluid delivery tube 110
For along the first pipeline section and the second pipeline section of fluid flow direction directional spreding.Be formed on partition board 111 it is multiple in a thickness direction
Through the through-hole 111a of partition board 111, the air-flow of capillary jet port injection enters in the first pipeline section, and by partition board 111
Through-hole 111a enters the second pipeline section, and after air-flow is by the partition board 111 with through-hole 111a, therefrom low frequency is moved to people to sound source power
The superelevation frequency domain that ear can't hear improves human ear sense of hearing from there through shift frequency effect, improves the sound quality of refrigerator.
Referring again to Fig. 1, for the refrigerator of binary cycle system, capillary includes refrigeration capillary 40 and freezing capillary
60, evaporator includes refrigeration evaporator 50 and refrigerating evaporator 70, refrigerates the fluid between capillary 40 and refrigeration evaporator 50
It is provided with partition board 111 in delivery pipe 110 (B1 shown in Fig. 1), freezes the fluid between capillary 60 and refrigerating evaporator 70
It is provided with partition board 111 in transfer pipeline 110 (B2 shown in Fig. 1).
Partition board 111 can be located at the position that capillary jet port is closed in fluid delivery tube 110, relative to evaporator, partition board
111 closer to capillary jet port at, at capillary jet port spray fluid enter the first pipeline section, pass through partition board 111
Through-hole 111a enters the second pipeline section, due to the design of partition board 111, changes the frequency noise of fluid flowing, improves refrigerator
Sound quality.
Partition board 111 is solderable to be connected on the inner wall of fluid delivery tube 110, and the material of partition board 111 uses and fluid delivery tube 110
The good material of weld compatibility, and pass through corrosion-resistance treatment, avoid partition board 111 from getting rusty and block the through-hole on partition board 111
111a.Partition board 111 it is conveniently of circular shape, facilitate partition board 111 and the welding of fluid delivery tube 110 to match.
All through-hole 111a can be uniformly distributed on partition board 111.In view of the noise energy of air-flow flowing is largely concentrated
In central area, the distribution density for being located at multiple through-holes of partition board central area is multiple except partition board central area more than being located at
The distribution density of through-hole, to improve to the more apparent pneumatic noise of the turbulence state in transitional pipe segment central area,
To significantly reduce air-flow flow noise.
The internal diameter of through-hole 111a is less than or equal to 1 millimeter, and air-flow is by through-hole 111a, and the shift frequency effect of sound source power is more
Significantly, to be obviously improved promotion noise reduction.
The gross area S1 of all through-hole 111a and the cross-sectional area S of fluid delivery tube 110 meet：S1≥3S/4.Pass through limit
The ratio of 110 cross section of fluid delivery tube, the restriction loss for avoiding partition board 111 from bringing shared by fixed all through-hole 111a keep stream
The smooth outflow of body, to ensure while promoting noise reduction, to keep the refrigeration performance of refrigerator.
Fig. 4 is the refrigerator of the utility model one embodiment and noise spectrum of the refrigerator in start process of the prior art
Comparison diagram.
As shown in figure 4, difference lies in the steamings of the refrigerator of comparative example by the refrigerator of the refrigerator and the present embodiment of comparative example unique
Send out the partition board 111 that device does not have the present embodiment with intercapillary fluid delivery tube 110.As shown in Figure 4, the ice of the present embodiment
Case can significantly reduce 2500HZ to the noise of 3150HZ frequency ranges, the noise also decrease to some degree to 2000HZ frequency ranges.By
This can significantly improve sense of hearing quality by improving the frequency range level of noise so that the noise of the not noticeable refrigerator of user is promoted and used
The usage experience at family.
The refrigerator of the present embodiment, by the way that partition board 111 is arranged in evaporator and intercapillary fluid delivery tube 110,
Fluid delivery tube 110 is divided into the first pipeline section and the second pipeline section being distributed along fluid flow direction, is formed on partition board 111 more
The air-flow of a through-hole 111a for running through partition board 111 in a thickness direction, the injection of capillary jet port enter in the first pipeline section, and lead to
The through-hole 111a crossed on partition board 111 enters the second pipeline section, after air-flow is by the partition board 111 with through-hole 111a, sound source power meeting
Therefrom low frequency is moved to the superelevation frequency domain that human ear can't hear, and from there through shift frequency effect, improves human ear sense of hearing, improves ice
The sound quality of case.
Further, in the refrigerator of the present embodiment, by the way that the internal diameter of through-hole 111a on partition board 111 to be limited to less than or wait
In 1 millimeter, increase the shift frequency effect of sound source power, promotes noise reduction.
Further, in the refrigerator of the present embodiment, by limiting 110 cross of fluid delivery tube shared by all through-hole 111a
The ratio in section, the restriction loss for avoiding partition board 111 from bringing keep the smooth outflow of fluid.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The range of type is understood that and regards as to cover other all these variations or modifications.
Claims (10)
1. a kind of refrigerator, including evaporator, the capillary that is connect with the evaporator and the connection evaporator and the hair
The fluid delivery tube of tubule, which is characterized in that the refrigerator further includes：
Partition board, the partition board are set to along the radial direction of the fluid delivery tube in the fluid delivery tube, and being used for will be described
Fluid delivery tube is divided into the first pipeline section and the second pipeline section along the fluid flow direction directional spreding；
Multiple through-holes for running through the partition board in a thickness direction are formed on the partition board, so that into first pipeline section
Fluid by the multiple flow therethrough to second pipeline section, to change the sound source power of the fluid stream movable property life, from
And achieve the purpose that reduce noise.
2. refrigerator according to claim 1, it is characterised in that
The partition board is located at the position that the capillary jet port is closed in the fluid delivery tube.
3. refrigerator according to claim 1, it is characterised in that
The through-hole is circular hole or square hole.
4. refrigerator according to claim 1, it is characterised in that
The multiple through-hole is uniformly distributed on the partition board.
5. refrigerator according to claim 1, it is characterised in that
The internal diameter of the through-hole is less than or equal to 1 millimeter.
6. refrigerator according to claim 1, it is characterised in that
The gross area S1 of the multiple through-hole and the cross-sectional area S of the fluid delivery tube meet：S1≥3S/4.
7. refrigerator according to claim 1, it is characterised in that
The partition board is circle, to facilitate the matching with the fluid delivery tube.
8. refrigerator according to claim 1, it is characterised in that
The partition board is welded on the inner wall of the fluid delivery tube.
9. refrigerator according to claim 1, it is characterised in that further include：
Refrigerating chamber；
The capillary includes refrigeration capillary, and the evaporator includes the refrigeration evaporation for providing cold to the refrigerating chamber
Device.
10. refrigerator according to claim 1, it is characterised in that further include：
Freezing chamber；
The capillary includes freezing capillary, and the evaporator includes the freezing and evaporating for providing cold to the freezing chamber
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863004.8U CN207778909U (en) | 2017-12-27 | 2017-12-27 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863004.8U CN207778909U (en) | 2017-12-27 | 2017-12-27 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207778909U true CN207778909U (en) | 2018-08-28 |
Family
ID=63225270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721863004.8U Active CN207778909U (en) | 2017-12-27 | 2017-12-27 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207778909U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097455A (en) * | 2019-06-18 | 2020-12-18 | 青岛海尔电冰箱有限公司 | Pipeline silencer and refrigerator comprising same |
| CN112179027A (en) * | 2019-07-03 | 2021-01-05 | 青岛海尔电冰箱有限公司 | Silencer, refrigeration circuit and refrigerator |
| CN113446746A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
| CN113446748A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
| CN113446747A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
-
2017
- 2017-12-27 CN CN201721863004.8U patent/CN207778909U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097455A (en) * | 2019-06-18 | 2020-12-18 | 青岛海尔电冰箱有限公司 | Pipeline silencer and refrigerator comprising same |
| CN112179027A (en) * | 2019-07-03 | 2021-01-05 | 青岛海尔电冰箱有限公司 | Silencer, refrigeration circuit and refrigerator |
| CN113446746A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
| CN113446748A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
| CN113446747A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
| CN113446746B (en) * | 2020-03-27 | 2022-10-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
| CN113446747B (en) * | 2020-03-27 | 2022-11-18 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
| CN113446748B (en) * | 2020-03-27 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
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