CN202267276U - Showcase - Google Patents
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- Publication number
- CN202267276U CN202267276U CN2011203682023U CN201120368202U CN202267276U CN 202267276 U CN202267276 U CN 202267276U CN 2011203682023 U CN2011203682023 U CN 2011203682023U CN 201120368202 U CN201120368202 U CN 201120368202U CN 202267276 U CN202267276 U CN 202267276U
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- CN
- China
- Prior art keywords
- capillary
- transition conduit
- showcase
- condenser
- evaporimeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
The utility model belongs to the field of refrigeration electric appliances, and particularly relates to a showcase. The showcase comprises a compressor (7), a condenser (8), a capillary tube (10) and an evaporator (6) which are sequentially connected to form a loop, wherein the capillary tube (10) is a master capillary tube formed by connecting two or more than two branch capillary tubes in parallel; and one end of the capillary tube (10) is connected with the condenser (8), and the other end of the capillary tube (10) is connected with the evaporator (6). In the utility model, the optimal design of a refrigeration system is realized in the way that two or more than two capillary tubes are connected in parallel between the condenser and the evaporator for throttling, so that multiple independent refrigerant passages are implemented, and the flow rate is increased; the two or more than two capillary tubes achieves multi-jet to the evaporator and are not interfered with each other, so that the heat exchange efficiency is improved; meanwhile, as the two or more than two capillary tubes are in contact with a return pipe for heat exchange, compared with a single capillary tube, the heat exchange contact area is increased, the supercooling degree is increased, the refrigerating capacity is improved, and quick refrigeration purpose of the showcase is realized accordingly.
Description
Technical field
The utility model belongs to the electric refrigerator field, is specifically related to a kind of showcase.
Background technology
Capillary is as one of big part of four in the refrigeration system, and its function is that the high pressure liquid refrigerant of handling from condenser is made its liquid refrigerant that becomes low pressure through throttling expansion, gets into evaporimeter again.Showcase generally uses the single capillary throttling at present, and because of receiving the influence of condensing pressure and evaporating pressure, the changes in flow rate of single capillary throttling is very big, and the showcase refrigeration slowly can not realize fast cooling to the food in the cabinet, influences the edible of consumer; And showcase uses the single capillary throttling, if occur capillary blocked after, the situation of not freezing will appear in showcase, has a strong impact on the user and uses, and brings loss to the user.
The utility model content
To the shortcoming of prior art, the purpose of the utility model provide a kind of can fast-refrigerating and the blocked showcase that causes the influence of not freezing when overcoming because of the single capillary throttling.
For realizing above-mentioned purpose, the technical scheme of the utility model is:
A kind of showcase; Comprise the compressor, condenser, capillary and the evaporimeter that are in turn connected to form the loop, it is characterized in that, the total capillary of said capillary for forming by two or branch capillary paralleling more than two; An end capillaceous is connected with condenser, and the other end is connected with evaporimeter.
In the such scheme, also be connected with device for drying and filtering between said condenser and the capillary, an end of device for drying and filtering is connected with condenser, and the other end of device for drying and filtering is connected with capillary.
In the such scheme, said capillary is connected with device for drying and filtering through first transition conduit.
In the such scheme, said first transition conduit, one end is provided with some outlets, and the end capillaceous of the some branches in the capillary is connected with some outlets of first transition conduit respectively, single outlet that the other end setting of first transition conduit is connected with device for drying and filtering.Every branch end capillaceous is connected with a outlet in the some outlets of first transition conduit, makes on the capillary all divide an end capillaceous to go out the effected parallel connection through first transition conduit some.
In the such scheme, said capillary is connected with evaporimeter through second transition conduit.
In the such scheme, an end of said second transition conduit is provided with some outlets, and the some branches other end capillaceous in the capillary is connected with some outlets of second transition conduit respectively, single outlet that the other end setting of second transition conduit is connected with evaporimeter.Same, every branch other end capillaceous is connected with a outlet in the some outlets of second transition conduit, makes on the capillary all divide the other end capillaceous to go out the effected parallel connection through second transition conduit some.Like this, realized being connected in parallel through first, second transition conduit respectively in two or capillary two ends more than two.
In the such scheme; Said evaporimeter comprises two or more; The two ends of said second transition conduit are provided with some outlets; Some branches other end capillaceous in the capillary is connected with some outlets of second transition conduit, one end respectively, and two or more evaporimeter is connected with some outlets of the second transition conduit other end respectively.
In the such scheme, said evaporimeter is connected with compressor through muffler.
In the such scheme, said capillary and muffler are in contact with one another through parcel or soldering.The contact area of capillary and muffler is bigger, has increased heat, has increased degree of supercooling, has improved refrigerating capacity.
In the such scheme, said branch length capillaceous is 2000～5000mm.
The beneficial effect of the utility model is:
The utility model adopts two or two above capillary paralleling throttlings through the optimal design of refrigeration system between condenser and evaporimeter, realize many independently coolant channels; Increased flow; Two or two above capillaries form many jets and phase mutually noninterfere to evaporimeter, have improved heat exchange efficiency, and two or two above capillaries and muffler are in contact with one another heat exchange simultaneously; Single capillary has increased the heat exchange contact area relatively; Increase degree of supercooling, improved refrigerating capacity, thereby realized the purpose of showcase fast-refrigerating.
The utility model also overcomes and blockedly after the single capillary throttling causes the influence of not freezing.It adopts two or many capillaries parallel connection throttling; Each capillary independent loops work mutually noninterfere, even if stopping up appears in wherein a certain capillary, other capillaries still can normally use; Greatly reducing maintenance drops into and maintenance cost; Avoid user's loss, thereby realized overcoming the problem that the single capillary throttling can not be freezed after blocked, and made the advantage on the cost that the utlity model has.
Description of drawings
Fig. 1: be the embodiment theory diagram that the utility model comprises two capillaries;
Fig. 2: be the partial schematic diagram that the capillary of the utility model is connected with first, second transition conduit;
Fig. 3: be the traditional showcase cooling rate performance comparison sketch map when adopting single capillary and the utility model to adopt two capillaries to freeze respectively.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done to specify further, but the embodiment of the utility model is not limited thereto.
The utility model is as shown in Figure 1; A kind of showcase; Comprise the compressor 7, condenser 8, device for drying and filtering 9, capillary 10 and the evaporimeter 6 that are in turn connected to form the loop, capillary 10 total capillary for being formed in parallel by first fen capillary 101 and second fen capillary 102, the length of every branch capillary 10 is 2000～5000mm; End behind the capillary 10 is connected with device for drying and filtering 9, and the other end is connected with evaporimeter 6.
Capillary 10 is connected with device for drying and filtering 9 through first transition conduit 11, and the other end is connected with evaporimeter 6 through second transition conduit 12.
As shown in Figure 2, first transition conduit, 11 1 ends are provided with some outlets, and the other end is provided with single outlet; One end of first fen capillary 101 is connected with a outlet in the 11 some outlets of first transition conduit; One end of second fen capillary 102 is connected with another outlet in the 11 some outlets of first transition conduit; The outlet of the list of first transition conduit 11 is connected with device for drying and filtering 9, and an end of first fen capillary 101 and second fen capillary 102 goes out the effected parallel connection through first transition conduit 11 some.
As shown in Figure 2, an end of second transition conduit 12 is provided with some outlets, and the other end is provided with single outlet; The other end of first fen capillary 101 is connected with a outlet in the 12 some outlets of second transition conduit; The other end of second fen capillary 102 is connected with another outlet in the 12 some outlets of second transition conduit, and the list outlet of second transition conduit (12) is connected with evaporimeter 6.The other end of first fen capillary 101 and second fen capillary 102 is realized parallel connection through the multiple exit of second transition conduit 12.
During work; From condenser 8, handle and obtain high pressure liquid refrigerant entering device for drying and filtering 9 dry filters; List outlet from first transition conduit 11 enters into first transition conduit 11 then; Enter into first fen capillary 101 respectively and second fen capillary 102 carries out throttling from the 11 some outlets of first transition conduit, then get in second transition conduit 12 and merge, get in the evaporimeter 6 through the single outlet in second transition conduit 12 at last through some outlets in second transition conduit 12.
Through experiment this utility model is tested below.
Experiment is tested on same showcase; Adopt the 1.0X3000mmX2 capillary of the capillary of single 1.0X3000mm, two parallel connections, the capillary of single 1.24X3000mm respectively, wherein the Resistance Value behind two 1.0X3000mm capillary parallelings is identical with single 1.24X3000mm Resistance Value capillaceous.
Experiment is that food temperature carries out record from 32 ℃ of times that arrive 6.6 ℃ of food temperatures in 32 ℃, cabinet to environment temperature; As shown in Figure 3, interocclusal record when wherein curve 1 is represented the cooling rate of two 1.0X3000mm capillary parallelings throttling, the cooling rate time is 17.5h; The interocclusal record during cooling rate of the single 1.24X3000mm capillary-compensated of curve 2 representative; Cooling rate time 18.5h, the interocclusal record during cooling rate of the single 1.0X3000mm capillary-compensated of curve 3 representative, the cooling rate time is 22h.
Can find out from experimental data curve figure shown in Figure 3; Adopt the cooling velocity of two 1.0X3000mm capillary parallelings the fastest; Single 1.0X3000mm cooling velocity capillaceous is the slowest, and its reason is that two 1.0X3000mm capillaries form two independently coolant channels, has increased flow; And two 1.0X3000mm capillaries have improved heat exchange efficiency to evaporimeter many jets of 6 formation and phase mutually noninterfere.Evaporimeter 6 is connected with compressor 7 through muffler 13 in addition; Two capillaries and muffler 13 are in contact with one another heat exchange through parcel or soldering; Single capillary has increased the heat exchange contact area relatively, has increased degree of supercooling, has improved refrigerating capacity; Thereby realize the purpose of showcase fast-refrigerating, therefore adopt two 1.0X3000mm capillary parallelings to help reaching best refrigeration.
Can find out that from experimental data curve figure shown in Figure 3 adopt single 1.0X3000mm capillary-compensated, cooling velocity is very slow; But still refrigeration is good, so after adopting the throttling of two 1.0X3000mm capillary parallelings, each capillary independent loops work mutually noninterfere; After even if single capillary is blocked; Other capillaries still can normally use, and greatly reduce maintenance and drop into and maintenance cost, have avoided user's loss; Thereby realize overcoming the problem that the single capillary throttling can not be freezed after blocked, and make the advantage on the cost that the utlity model has.
Capillary in the utility model can also comprise more than two; This moment, the total capillary more than two was realized parallel connection through transition conduit; The annexation of other associated components is constant, can realize fast-refrigerating equally and overcome the problem that the single capillary throttling can not be freezed after blocked.
In the utility model; Can also be through two or more evaporimeters be set; And the list in second transition conduit 12 outlet changed be set to multiple exit; Two or more evaporimeter 6 is realized being connected in parallel through the multiple exit of second transition conduit, 12 other ends, constitutes many capillaries kind of refrigeration cycle parallelly connected with a plurality of evaporimeters.
Claims (10)
1. showcase; Comprise the compressor (7), condenser (8), capillary (10) and the evaporimeter (6) that are in turn connected to form the loop; It is characterized in that; The total capillary of said capillary (10) for forming by two or branch capillary paralleling more than two, an end of capillary (10) is connected with condenser (8), and the other end is connected with evaporimeter (6).
2. showcase according to claim 1; It is characterized in that; Also be connected with device for drying and filtering (9) between said condenser (8) and the capillary (10), an end of device for drying and filtering (9) is connected with condenser (8), and the other end of device for drying and filtering (9) is connected with capillary (10).
3. showcase according to claim 2 is characterized in that, said capillary (10) is connected with device for drying and filtering (9) through first transition conduit (11).
4. showcase according to claim 3; It is characterized in that; One end of said first transition conduit (11) is provided with some outlets; Some branches in the capillary (10) end capillaceous is connected with some outlets of first transition conduit (11) respectively, single outlet that the other end setting of first transition conduit (11) is connected with device for drying and filtering (9).
5. showcase according to claim 1 is characterized in that, said capillary (10) is connected with evaporimeter (6) through second transition conduit (12).
6. showcase according to claim 5; It is characterized in that; One end of said second transition conduit (12) is provided with some outlets; Some branches other end capillaceous in the capillary (10) is connected with some outlets of second transition conduit (12) respectively, single outlet that the other end setting of second transition conduit (12) is connected with evaporimeter (6).
7. showcase according to claim 5; It is characterized in that; Said evaporimeter comprises two or more; The two ends of said second transition conduit (12) are provided with some outlets, and the some branches other end capillaceous in the capillary (10) is connected with some outlets of second transition conduit (12) one ends respectively, and two or more evaporimeter (6) is connected with some outlets of second transition conduit (12) other end respectively.
8. according to each described showcase of claim 1 to 7, it is characterized in that said evaporimeter (6) is connected with compressor (7) through muffler (13).
9. showcase according to claim 8 is characterized in that, said capillary (10) is in contact with one another through parcel or soldering with muffler (13).
10. showcase according to claim 8 is characterized in that, said branch length capillaceous is 2000～5000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203682023U CN202267276U (en) | 2011-09-30 | 2011-09-30 | Showcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203682023U CN202267276U (en) | 2011-09-30 | 2011-09-30 | Showcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267276U true CN202267276U (en) | 2012-06-06 |
Family
ID=46158069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203682023U Expired - Lifetime CN202267276U (en) | 2011-09-30 | 2011-09-30 | Showcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019508A (en) * | 2014-06-04 | 2014-09-03 | 上海理工大学 | High-temperature air-conditioning system |
| CN104930737A (en) * | 2015-06-25 | 2015-09-23 | 合肥华凌股份有限公司 | Refrigerating device and refrigerator provided with the same |
-
2011
- 2011-09-30 CN CN2011203682023U patent/CN202267276U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019508A (en) * | 2014-06-04 | 2014-09-03 | 上海理工大学 | High-temperature air-conditioning system |
| CN104019508B (en) * | 2014-06-04 | 2016-08-17 | 上海理工大学 | High-temperature air conditioner system |
| CN104930737A (en) * | 2015-06-25 | 2015-09-23 | 合肥华凌股份有限公司 | Refrigerating device and refrigerator provided with the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |