CN207898299U - Refrigerated display case - Google Patents
Refrigerated display case Download PDFInfo
- Publication number
- CN207898299U CN207898299U CN201720817201.XU CN201720817201U CN207898299U CN 207898299 U CN207898299 U CN 207898299U CN 201720817201 U CN201720817201 U CN 201720817201U CN 207898299 U CN207898299 U CN 207898299U
- Authority
- CN
- China
- Prior art keywords
- evaporator
- display case
- refrigerated display
- partition board
- rhone
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0439—Cases or cabinets of the open type
- A47F3/0443—Cases or cabinets of the open type with forced air circulation
- A47F3/0447—Cases or cabinets of the open type with forced air circulation with air curtains
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Defrosting Systems (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
The utility model provides a kind of refrigerated display case comprising：Refrigerating circuit has the air entry of the exhaust outlet, condenser, restricting element, the evaporator of multiple parallel connections and compressor that pass through the sequentially connected compressor of flow path；Spacial flex；And showcase matrix, multiple evaporators are stacked in the showcase matrix；Wherein, partition board is respectively set between multiple evaporators, and rhone is set in the both sides of each partition board.The problems such as rhone in both sides then effectively prevents partition board caused by installation accuracy or structure design inclined arrangement is set so that defrosting water can be guided under which kind of situation to be discharged.In addition, both sides rhone setting but also exclude defrosting water process it is more rapid, and then shorten the defrost operating time, more optimally improve showcase in temperature fluctuation problem.
Description
Technical field
The utility model is related to refrigerating fields, more particularly it relates to a kind of refrigerated display case.
Background technology
For needing the consumer lines of Cord blood on the market, usually place it in the refrigerated display case in market
To store and carry out sale displaying.It is required according to the preservation of such consumer lines, the design of refrigerated display case is extremely valued
Refrigerating capacity and constant temperature are horizontal.About the design of its constant temperature level, currently, conventional refrigerant show cabinet system is in operation a period of time
Afterwards, evaporator can lead to that frost occurs due to the internal and external environment temperature difference.If directly executing defrosting operation, directly disconnect
The flow path of the evaporator, the discharge air in subsequent refrigerated display case will gradually heat up, this causes to be stored in therein disappear in turn
Expense product temperature rises about 1-3 DEG C within the defrosting period, extremely influences commodity and preserves.Further, defrosting is being executed
In conventional operation after the completion of operation, consumer lines will be reduced identical temperature value, such gradient of temperature fluctuation pair again
Consumer lines, which preserves, to be influenced more very.Since the defrosting operation of refrigerated display case is comparatively frequent, consumer lines will be caused,
Such as food, retention cycle greatly shorten；And the start and stop for needing frequently control compressor are also resulted in, influence its reliability.
Invention content
The utility model is intended to provide a kind of refrigerated display case, acute with showcase temperature fluctuation when improving evaporator defrosting
Strong problem.
One side according to the present utility model provides a kind of refrigerated display case comprising：Refrigerating circuit has logical
Cross the exhaust outlet of the sequentially connected compressor of flow path, condenser, restricting element, multiple parallel connections evaporator and compressor suction
Gas port；Spacial flex；And showcase matrix, multiple evaporators are stacked in the showcase matrix；Wherein, multiple
Partition board is respectively set between the evaporator, and rhone is set in the both sides of each partition board.
Description of the drawings
Fig. 1 is the schematic diagram of one embodiment of the refrigerated display case of the utility model.
Fig. 2 is the partial schematic diagram of the showcase matrix of refrigerated display case shown in Fig. 1.
Fig. 3 is the front and back flow path schematic diagram of the evaporator of one embodiment of the utility model.
Fig. 4 is the schematic diagram of one embodiment of the partition board of the utility model.
Specific implementation mode
Referring to Fig. 1 and Fig. 2, a kind of embodiment of refrigerated display case is shown.The refrigerated display case 100 includes refrigerated display
Cabinet ontology and refrigerating circuit 110 for providing cold.Wherein, refrigerating circuit 110, which has, passes through the sequentially connected pressure of flow path
The suction of the exhaust outlet of contracting machine, condenser, restricting element 115a, 115b, two evaporator 111a, 111b and compressor in parallel
Gas port.Although being illustrated only in figure in the closely related part of this conception, other of the refrigerating circuit are not shown and can adopt
With more conventional construction and connection type, therefore those skilled in the art are fully able to understand its composition.
On the other hand, refrigerated display case ontology includes the spacial flex 120 and use for providing food storing and sales exhibition
In the showcase matrix 130 for providing installation space for refrigerating circuit parts thereof.Specifically, two evaporator 111a,
111b is stacked in showcase matrix 130.Wherein, partition board 112 is set between two evaporators 111a, 111b, and each
Both sides setting rhone 112a, 112b of partition board 112.Although the embodiment describes its structure for two evaporators are arranged
It makes.But in fact, the cloth of evaporator can also be changed from multiple angles such as performance test and cost viewpoint according to practical situation
Quantity is set, and both sides are respectively set wherein there is the partition board 112 of rhone 111a, 111b.
Under such arrangement, which is assembled by multiple evaporators.With two groups of evaporators, which can
It is closed respectively to defrost, refrigerated display case can be under refrigeration operational state always at this time, even if refrigerating capacity is
Decline, still the temperature in spacial flex can be made more stable, and then more preferable to food temperature management and control, and because it is not necessary that electricity is arranged
Heating tube and reduce energy expenditure.In addition, also reducing pressure fluctuation by reducing start-stop time and to the impact of compressor.
In addition, when the refrigeration load of demand less than the half of total rated value or it is lower when, one group of evaporator can also only be connected, and close
Another group of evaporator, at this time evaporator will run less heat exchange area, and REC (Refrigeration daily
Electrical energy consumption) also decrease.
More crucially, when the opposite evaporator 111a defrostings for being placed in upside, and it is placed in the evaporator 111b fortune of downside relatively
When row, due to being provided with partition board 112 among the two, generated defrosting water will drip during evaporator 111a defrostings at this time
It falls and collects on partition board 112, then rhone 112a, 112b along 112 both sides of partition board are directed out, so as to avoid drop
It falls on the evaporator 111b of lower section and the problem of frosting again.And the rhone being arranged in both sides is then effectively prevented because of installation essence
The problems such as partition board inclined arrangement caused by degree or structure design so that defrosting water can be guided under which kind of situation
Discharge.In addition, both sides rhone setting but also exclude defrosting water process it is more rapid, and then shorten the defrost operating time,
More optimally improve the temperature fluctuation problem in showcase.
In addition, further to improve the refrigerated display case, the structure or connection of wherein each parts are made that into one
The optimization or adjustment of step will illustrate as follows.
Referring to Fig. 1-3, optionally, for partition board, itself and evaporator 111a, 111b can be arranged horizontally at displaying
In cabinet matrix 130, integral arrangement so would be even more beneficial to and and convenient for draining.For another example, partition board 112 can non-contactly be set
It sets between evaporator 111a, 111b, in case partial vaporiser fin hinders draining.
Referring to Fig. 1-3, optionally, for rhone, air can be positioned in and flow through evaporator 111a, 111b
Upstream side and downstream side.At this point, flowing through the design position of rhone because participating in the air of working cycles, it will accelerate its evaporate or
Discharge process.For another example, referring to Fig. 4, a kind of concrete structure of rhone is additionally provided.Wherein, rhone 112a, 112b be every
Conduit made of punching press on plate 112, and rhone 112a, 112b are the arc groove with uniform radian.
Optionally, for spacial flex 120, it can be arranged opening, and air curtain 121 is formed in opening, with
Just consumer checks and obtains commodity.For another example, showcase matrix 130 is arranged in 120 bottom of spacial flex, will so be more convenient for disappearing
Expense person checks and obtains the commodity in spacial flex 120, and arrangement of the refrigerating circuit in showcase matrix 130 of being more convenient for.
In addition, for refrigerating circuit 110, refrigerating circuit 110 further includes being set corresponding to two evaporators 111a, 111b
Two solenoid valves 114a, the 114b set, the two solenoid valves 114a, 114b are respectively used to control each evaporator 111a, 111b
Break-make.It can select to disconnect which evaporator according to practical frosting situation at this time and execute defrosting operation, have higher
Flexibility.Even when the cooling load demand of refrigerated display case is relatively low, an evaporator, Jin Erti can be initiatively disconnected
High-energy utilization rate, reduces cost.
With continued reference to Fig. 2, in this example, solenoid valve 114a, 114b can be arranged in the upstreams evaporator 111a, 111b
In refrigerating circuit 110.At this point, when executing defrosting operation, refrigerant will be avoided to continue to flow into disconnecting solenoid valve 114a, 114b
And accumulate in evaporator 111a, 111b, the refrigerant of loss subparticipation work is thus on the one hand avoided, is on the other hand also dropped
The energy expenditure of low defrosting.
Further, solenoid valve 114a, 114b can be also arranged to the refrigerating circuit in the upstreams restricting element 115a, 115b
On 110.At this point, disconnecting solenoid valve 114a, 114b when executing defrosting operation, refrigerant will be avoided to continue to flow into and accumulated in
In evaporator 111a, 111b and restricting element 115a, 115b, the refrigerant of loss subparticipation work is thus on the one hand avoided,
On the other hand the energy expenditure of defrosting is also reduced.
In addition, for ease of the monitoring of defrosting operation, refrigerating circuit 110 further includes corresponding to two evaporators 111a, 111b
The sensor of setting, two sensor-based feedback data of solenoid valve 114a, 114b come control respectively each evaporator 111a,
The break-make of 111b.By taking Fig. 2 as an example, shown sensor be temperature sensor 116a, 116b, and its setting evaporator 111a,
111b outlet sides.Namely by monitoring the outlet temperature of evaporator to determine whether frosting situation occurs, and then determine whether to hold
Row defrosting operation.Similarly, it can also assist carrying out aforementioned judgement operation using pressure sensor.Certainly, sensor is set
Seated position can also be adjusted according to practical situation.
Alternatively, refrigerating circuit 110 can also selectively turn on one of the evaporator of multiple parallel connections using multiple-way valve,
Foregoing advantages equally may be implemented in it.
A kind of normal operation mode example of the refrigerated display case is also provided herein.It is each based on the normal operation mode
A evaporator is each provided with the time that is out of service and defrosting, thus can reduce as far as possible using the need for specifying defrosting mode
It asks so that the operation of entire showcase is more steady.Specifically, when refrigerated display case 100 runs well, refrigerating circuit
110, which are configured to cycle, executes：Whole evaporator 111a, 111b work；Evaporator 111a work, evaporator 111b defrostings；With
And evaporator 111b work, evaporator 111a defrostings.
The operation principle of one embodiment of the refrigerated display case will be described in conjunction with Fig. 1 as follows.
When refrigerated display case runs well, throttling member is respectively flowed through by condensed refrigerant in refrigerating circuit 110
Part 115a, 115b expansion throttling then separately flows into sweat cooling in evaporator 111a, 111b, and is flowed back to after completing to freeze
Next round cycle is participated in compressor.On the other hand, under the driving of evaporator fan 113, air flow through evaporator 111a,
111b come with flow through refrigerant therein and carry out heat exchange, cooled air is directed to displaying cabinet top from showcase back
Portion, then front side is from top to bottom blown out at the top of the showcase, forms one of air curtain 121, by the inside of spacial flex 120 with
The heat of external environment carries out a degree of isolation.
And the partial vaporiser in refrigerated display case is when being defrosted, by taking evaporator 111a needs to defrost as an example, at this time
Disconnect solenoid valve 114a；It is held on solenoid valve 114b simultaneously so that evaporator 111b is still in operating status, so that it is guaranteed that
Defrosting will not bring excessive temperature fluctuation to spacial flex simultaneously.In addition, produced during evaporator 111a defrostings
Defrosting water will be dropped on partition board 112, then via rhone 112a, 112b of both sides discharges, avoid the steaming to lower section
Hair device 111b has an impact.
Example above primarily illustrates the refrigerated display case of the utility model.Although only to the implementation of some of present invention
Mode is described, but those of ordinary skill in the art it is to be appreciated that the present invention can without departing from its spirit with range
It is interior to be implemented in the form of many other.Therefore, the example shown is considered as illustrative and not restrictive with embodiment,
In the case where not departing from the spirit and scope of the present invention as defined in appended claims, the present invention may cover various
Modification and replacement.
Claims (13)
1. a kind of refrigerated display case, which is characterized in that including：
Refrigerating circuit has through the exhaust outlet of the sequentially connected compressor of flow path, condenser, restricting element, multiple parallel connections
Evaporator and compressor air entry；
Spacial flex；And
Showcase matrix, multiple evaporators are stacked in the showcase matrix；
Wherein, partition board is respectively set between multiple evaporators, and rhone is set in the both sides of each partition board.
2. refrigerated display case according to claim 1, which is characterized in that the rhone is set to air and flows through the steaming
Send out the upstream side and downstream side of device.
3. refrigerated display case according to claim 1, which is characterized in that the rhone is the punching press system on the partition board
At conduit.
4. refrigerated display case according to claim 1, which is characterized in that the rhone is the arc with uniform radian
Slot.
5. refrigerated display case according to claim 1, which is characterized in that the partition board and the evaporator are flatly arranged
In the showcase matrix.
6. refrigerated display case according to claim 1, which is characterized in that the partition board is non-contactly arranged in the evaporation
Between device.
7. according to the refrigerated display case described in claim 1 to 6 any one, which is characterized in that the refrigerating circuit further includes
Multiple-way valve, the multiple-way valve are used to selectively turn on one of the evaporator of multiple parallel connections.
8. according to the refrigerated display case described in claim 1 to 6 any one, which is characterized in that the refrigerating circuit further includes
Corresponding to multiple solenoid valves of multiple evaporator settings, the multiple solenoid valve is respectively used to control the logical of each evaporator
It is disconnected.
9. refrigerated display case according to claim 8, which is characterized in that the solenoid valve is arranged in the vaporizer upstream
Refrigerating circuit on.
10. refrigerated display case according to claim 8, which is characterized in that the solenoid valve is arranged in the restricting element
In the refrigerating circuit of upstream.
11. refrigerated display case according to claim 8, which is characterized in that the refrigerating circuit further includes corresponding to multiple
The sensor of evaporator setting, feedback data of the multiple solenoid valve based on the sensor control each steaming respectively
Send out the break-make of device；The sensor is temperature sensor and/or pressure sensor.
12. refrigerated display case according to claim 11, which is characterized in that the sensor setting goes out in the evaporator
Mouth side.
13. according to the refrigerated display case described in claim 1 to 6 any one, which is characterized in that the evaporator includes first
Evaporator and the second evaporator；When the refrigerated display case runs well, the refrigerating circuit is configured to cycle and executes：Entirely
Evaporator operation described in portion；First evaporator operation, the second evaporator defrosting；And the second evaporator work
Make, the first evaporator defrosting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817201.XU CN207898299U (en) | 2017-07-07 | 2017-07-07 | Refrigerated display case |
| US16/027,665 US20190008289A1 (en) | 2017-07-07 | 2018-07-05 | Refrigeration display case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817201.XU CN207898299U (en) | 2017-07-07 | 2017-07-07 | Refrigerated display case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207898299U true CN207898299U (en) | 2018-09-25 |
Family
ID=63569942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720817201.XU Active CN207898299U (en) | 2017-07-07 | 2017-07-07 | Refrigerated display case |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20190008289A1 (en) |
| CN (1) | CN207898299U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557573B (en) * | 2020-05-28 | 2021-06-25 | 珠海格力电器股份有限公司 | Air curtain type showcase |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2836039A (en) * | 1955-09-19 | 1958-05-27 | Weber Showcase & Fixture Co In | Refrigerated self-service showcase |
| US3103796A (en) * | 1960-07-15 | 1963-09-17 | Hussmann Refrigerator Co | Refrigeration system |
| US3094851A (en) * | 1961-05-01 | 1963-06-25 | Dual Jet Refrigeration Company | Refrigeration cabinet and defrost |
| US3122892A (en) * | 1962-04-09 | 1964-03-03 | Dual Jet Refrigeration Company | Refrigerated display cabinet and method of operation |
| US3499295A (en) * | 1968-06-17 | 1970-03-10 | Emhart Corp | Refrigeration system |
| GB2168137B (en) * | 1984-12-11 | 1988-12-14 | Sanden Corp | Refrigerated display cabinet |
| JP2562639B2 (en) * | 1988-01-20 | 1996-12-11 | 三洋電機株式会社 | Temperature control method for low temperature product storage case |
| US4941327A (en) * | 1989-07-24 | 1990-07-17 | Freshnes Foods Corporation | Compact food package display refrigerator |
| DE4010770C1 (en) * | 1990-04-04 | 1991-11-21 | Danfoss A/S, Nordborg, Dk | |
| EP3118540A4 (en) * | 2014-03-14 | 2017-11-01 | Mitsubishi Electric Corporation | Refrigerating device |
-
2017
- 2017-07-07 CN CN201720817201.XU patent/CN207898299U/en active Active
-
2018
- 2018-07-05 US US16/027,665 patent/US20190008289A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20190008289A1 (en) | 2019-01-10 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |