CN208567260U - A kind of circulation air path of air-cooled Medical refrigerator - Google Patents
A kind of circulation air path of air-cooled Medical refrigerator Download PDFInfo
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- CN208567260U CN208567260U CN201821074077.3U CN201821074077U CN208567260U CN 208567260 U CN208567260 U CN 208567260U CN 201821074077 U CN201821074077 U CN 201821074077U CN 208567260 U CN208567260 U CN 208567260U
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Abstract
The utility model discloses a kind of circulation air paths of air-cooled Medical refrigerator, including refrigeration fan housing and the air duct formed by air duct board, air inlet is equipped on refrigeration fan housing, evaporator is installed in refrigeration fan housing, top-side air outlet is equipped in the side of refrigeration fan housing, air duct is set to memory space side wall, it is connected between air duct and refrigeration fan housing, intermediate front-outlet mouth is equipped in the intermediate front in air duct, medial side face in air duct is equipped with medial side face air outlet, bottom air outlet is equipped in the bottom in air duct, fan is installed in refrigeration fan housing, air inlet of the air inlet of fan toward and proximate to refrigeration fan housing.The utility model solves fan blower, evaporator ice formation issues；It is reduced by air duct bore and improves air circulation speed and vortex level；Pass through more scenery resource qualities, it is ensured that temperature uniformity and fluctuation meet expection in big volume box.
Description
Technical field
The utility model belongs to refrigerating box technical field more particularly to a kind of circulation air path of air-cooled Medical refrigerator.
Background technique
Medical refrigerator mainly stores drug, reagent or the vaccine for having strict demand to storage temperature, and temperature-control range is 2~
8 DEG C, the temperature inside the box uniformity is less than 2 DEG C, and fluctuation is less than 3 DEG C.
The circulation air path of Medical refrigerator is different because of refrigeration modes difference.Refrigeration modes can be divided into direct-cooled and two kinds air-cooled
Mode.
Direct-cooled mode obtains cooling capacity by plate-type evaporator (Fig. 2) in foaming layer built-in evaporator (Fig. 1) or case, by cold
Built-in fans carry out weak air quantity circulation in air sinking self-loopa or case, simple without special air duct or air duct；Direct-cooled mode (figure
1, Fig. 2) disadvantage is mainly that fan is very weak to the transmitting of cooling capacity, and the temperature inside the box uniformity is poor, the temperature fluctuation period is big and fluctuation width
Degree is big, and easily on the outside of the corresponding liner of foaming layer evaporator or plate-type evaporator surface generates frost accumulated or icing, needs to go by hand
It removes.Temperature uniformity and fluctuation are also poor, influence user's use feeling, influence the storage quality of article.Although some products exist
Increase a Simple fan structure on direct-cooled mode, but air circulation speed in case can not be improved, frosting or product can not be solved
Ice problem.
Air cooling way is to obtain cooling capacity by case inner fin type evaporator, carries out Wind Volume circulation by the fan adjoined,
There is specific Duct design requirement, such as " a kind of circulation air path of air cooling type refrigerator " (200610072064.8).Air cooling way pair
The transmitting of cooling capacity is stronger, and the temperature inside the box uniformity is good, period of waves is small and fluctuating range is small, is directly recycled by wind and passes cooling capacity
The all angles of case are delivered to, design rationally will not frost accumulated or icing.Application No. is: 200610072064.8 disclose it is a kind of air-cooled
The circulation air path of formula refrigerator, this application use full blast SAPMAC method air duct, but in the program fan from evaporator air draught, outlet air side
To box back surface is directed toward, the cooling capacity for taking away evaporator is relatively small, easily leads to evaporator icing and recycles so that blocking wind, temperature in case
It spends uniformity and fluctuation is larger, temperature control level is weak；It is this to absorb cooling capacity from evaporator by air draught mode, also result in fan electricity
Machine icing effect rotating operation, high failure rate；Air outlet is single, and each point temperature uniformity and fluctuation are poor in case, cannot reach
Assigned temperature；This patent does not illustrate influence of the variation of air duct bore to circulation wind speed and temperature uniformity.
Utility model content
A kind of air-cooled Medical refrigerator that the purpose of this utility model is in view of the deficiencies of the prior art and provides follows
Ring air duct.
To achieve the goals above, technical solution adopted in the utility model is:
A kind of circulation air path of air-cooled Medical refrigerator, the refrigerating box are to store in door body and the case of case liner formation
Gas in space provides gas and recycles and transmit the device of cooling capacity, and cooling capacity is kept the temperature by foaming layer in case, generation it is a small amount of
Ponding is discharged by drainpipe.
Circulation air path component includes refrigeration fan housing, fan, evaporator fin, air duct board, case liner.
The support for thering is air inlet, two sides to have 4 top-side air outlets, turbulent flow plate and evaporator fin on refrigeration fan housing
Block.Air inlet of the air inlet of fan toward and proximate to refrigeration fan housing.Height and the width and fin at the top of inner cover are refrigerated to evaporate
Device is suitable, guarantees that air-flow sufficiently flows through evaporator, plays good heat exchange action, improves heat exchanger effectiveness, avoids heat exchange
Dead angle prevents frost accumulated and risk of icing.The preferred aerofoil fan of fan.
About 5 ~ 10 mm of spacing of fin, fin are parallel to airflow direction on evaporator fin, play air-flow guiding role, allow
Air comes into full contact with the metal cooling tube perpendicular to fin and transmits heat.
Air duct board is furnished with intermediate front-outlet mouth and medial side face air outlet, position and quantity according to tank-volumes and height
It is adjusted, considers that cold air sinks, general top is more, and bottom is less.
Case liner has a wind direction adjustment block at the bottom air outlet of air duct board, for changing the flow direction of wind.
Fan and evaporator fin are fixed on the refrigeration fan housing of necking type and form assembling assembly, this assembling assembly is fixed on
The top of case liner.Wind pressure storehouse is formed in refrigeration fan housing, case liner and evaporator fin front end when fan work.Air duct board with it is cold
The necking of hiding fan housing is connected, and is fixed on the back of case liner, forms air duct and bottom air outlet.The air duct is set to storage
Space wall is connected between air duct and refrigeration fan housing,
When Medical refrigerator works, fan and evaporator fin are worked at the same time, and fan is the air in case memory space
Circulation provides power, and evaporator fin provides cooling capacity and is transmitted in the air on periphery.
Cooling capacity and released cold quantity are constantly absorbed in gas flow.Fan running, air inlet form negative pressure, storage in case
Air starts to flow in space, and positive pressure, refrigeration piping of the air-flow of positive pressure along fin, with evaporator fin are formed in wind pressure storehouse
Heat exchange is sufficiently carried out, gas absorbs cooling capacity, temperature decline.When cold gas flow liner top corner, turbulence, temperature occurs
Become uniform.Air-flow encounters the bottom necking of refrigeration fan housing, and gas flow rate becomes larger, and flows to turbulent flow plate, keeps turbulence-like in air duct
State is flowed out by the air port of top, middle part and bottom, and the air-flow turbulent fluctuation of agitation box memory space, forms more equal perseverance
Temperature, and released cold quantity pass to the article of storage.After gas released cold quantity, the heat of article is absorbed, is again introduced into air inlet
The negative pressuren zone of mouth constantly recycles.
In order to form closed type encircling type air-flow, the layout of air outlet has the temperature inside the box and its uniformity and fluctuation
Great influence.The top-side air outlet for refrigerating fan housing two sides, can not only guarantee that there is sufficient air on evaporator fin both sides
Flowing also can transmit cooling capacity for the headspace of case memory space.The intermediate front-outlet mouth of air duct board is that storage is empty in case
Between front gas transmit cooling capacity, medial side face air outlet is that the two sides air of case memory space transmits cooling capacity, and outlet at bottom is
Bottom air transmits cooling capacity.
Fan is in always in the maximum temperature gas of case memory space, 2 ~ 8 degree, will not be frozen, be kept good work
Make state.
Medical refrigerator the temperature inside the box sensor controls compressor start-stop, intermittent offer cooling capacity.Under normal conditions, it is more than
At 6.5 DEG C of setting value, work refrigeration, when being lower than 3.5 DEG C, shutdown is not freezed.And the working condition of fan is continuous uninterrupted
's.Into the steam containing humidity in the gas in wind pressure storehouse, steam encounters refrigeration piping cold in evaporator fin, will form
The frost at water droplet or initial stage.After the gas compression in wind pressure storehouse, temperature is increased, and when flowing through evaporator fin, is not only absorbed
Cooling capacity is discharged heat, can also melt frost, after finally being flowed down in a manner of water droplet, flow to outside case through drainpipe.
In the utility model, evaporator uses evaporator fin, and is integrally placed in circulation air path, and air-flow directly connects with it
Touching, fan air-out direction are directed toward evaporator fin, and air duct uses inverted L shape necking type air duct, arrange turbulence structure, increase different height
It spends, the air port in direction and quantity, not only contributes to improve wind speed, be more advantageous to the agitation speed for improving air-flow and cooling capacity transmitting water
Flat, the quantity arrangement in each air port also should be by actually detected.When turbulence structure changes angle (0-45 °), windage is advantageously reduced,
Also air stream turbulence degree can be improved, necking section and turbulence structure size should be weighed in specific design and determine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of background technique；
Fig. 2 is the structural schematic diagram of background technique；
Fig. 3 is the air duct side structure schematic diagram of the utility model；
Fig. 4 is the air duct positive structure schematic of the utility model.
Specific embodiment
The utility model is described further below with reference to embodiment.
The air-cooled Medical refrigerator circulation air path of a kind of inverted L necking type as shown in Figure 3 and Figure 4.Pass through air inlet, wind
Fan, evaporator, duct outlet location layout solve fan blower, evaporator ice formation issues；It is mentioned by the diminution of air duct bore
High air circulation speed and vortex are horizontal；Pass through more scenery resource qualities, it is ensured that temperature uniformity and fluctuation meet in big volume box
It is expected that.Ensure that Medical refrigerator storage temperature is 2~8 DEG C with upper type, for the temperature inside the box uniformity less than 2 DEG C, fluctuation is small
In 3 DEG C.
A kind of air-cooled Medical refrigerator circulation air path of inverted L necking type is for the case memory of door body 13 and the formation of case liner 9
Gas in storage space 1 provides gas and recycles and transmit the device of cooling capacity, and cooling capacity is kept the temperature by foaming layer 12 in case, generation
A small amount of ponding is discharged by drainpipe 11, and specific shape is shown in Fig. 3 and Fig. 4.
Circulation air path component includes refrigeration fan housing 14, fan motor 3, evaporator fin 6c, air duct board 7, case liner 9 etc..
There are air inlet 2, two sides to have 4 top-side air outlet 15a, turbulent flow plate 16 and evaporator fin on refrigeration fan housing 14
The supporting block of 6c.The height and the width refrigerated at the top of inner cover are suitable with evaporator fin 6c, guarantee that air-flow sufficiently flows through evaporator,
Good heat exchange action is played, heat exchanger effectiveness is improved, avoids heat exchange dead angle, prevent frost accumulated and risk of icing.
The preferred aerofoil fan of fan motor 3.
About 5 ~ 10 mm of spacing of fin, fin are parallel to airflow direction on evaporator fin 6c, play air-flow guiding role,
It allows air to come into full contact with the metal cooling tube perpendicular to fin and transmits heat.
Air duct board 7 is furnished with intermediate front-outlet mouth 15b and medial side face air outlet 15c, and position and quantity are held according to cabinet
Product and height are adjusted, and consider that cold air sinks, and general top is more, and bottom is less.
Case liner 9 has a wind direction adjustment boss 17 at the bottom air outlet 15d of air duct board 7, for changing the flow direction of wind.
Fan motor 3 and evaporator fin 6c are fixed on the refrigeration fan housing 14 of necking type and form assembling assembly, this assembly
Component is fixed on the top of case liner 9.When fan motor 3 works before refrigeration fan housing 14, case liner 9 and evaporator fin 6c
End forms wind pressure storehouse 4.Air duct board 7 is connected with the necking of refrigeration fan housing 14, is fixed on the back of case liner 9, forms 8 He of air duct
Bottom air outlet 15d.
When Medical refrigerator works, fan motor 3 and evaporator fin 6c are worked at the same time, and fan motor 3 is storage in case
Air circulation in space 1 provides power, and evaporator fin 6c provides cooling capacity and is transmitted in the air on periphery.
Cooling capacity and released cold quantity are constantly absorbed in gas flow.Fan motor 3 operates, and air inlet 2 forms negative pressure, case
Air starts to flow in memory space 1, positive pressure is formed in wind pressure storehouse 4, the air-flow of positive pressure is along fin, with evaporator fin 6c
Refrigeration piping sufficiently carry out heat exchange, gas absorbs cooling capacity, temperature decline.When cold gas flow liner top corner, hair
Raw turbulence, temperature become uniform.Air-flow encounters the bottom necking of refrigeration fan housing 14, and gas flow rate becomes larger, and turbulent flow plate is flowed to, in wind
Road 8 keeps turbulence state, is flowed out by the air port of top, middle part and bottom, and the air-flow turbulent fluctuation of agitation box memory space 1,
More permanent temperature, and released cold quantity are formed, the article of storage is passed to.After gas released cold quantity, the heat of article is absorbed
Amount, is again introduced into the negative pressuren zone of air inlet, constantly recycles.
In order to form closed type encircling type air-flow, the layout of air outlet has the temperature inside the box and its uniformity and fluctuation
Great influence.The top-side air outlet 15a for refrigerating 14 two sides of fan housing, can not only guarantee that the both sides evaporator fin 6c have sufficiently
Air flowing, also can for case memory space 1 headspace transmit cooling capacity.The intermediate front-outlet mouth 15b of air duct board 7 is
1 front gas of case memory space transmits cooling capacity, and medial side face air outlet 15c is that the two sides air of case memory space 1 transmits
Cooling capacity, outlet at bottom 15d are that bottom air transmits cooling capacity.
Fan motor 3 in the maximum temperature gas in case memory space 1,2 ~ 8 degree, will not freeze always, keep good
Good working condition.
Medical refrigerator the temperature inside the box sensor controls compressor start-stop, intermittent offer cooling capacity.Under normal conditions, it is more than
At 6.5 DEG C of setting value, work refrigeration, when being lower than 3.5 DEG C, shutdown is not freezed.And the working condition of fan motor 3 be it is continuous not
It is intermittent.Into the steam containing humidity in the gas in wind pressure storehouse 4, steam encounters refrigerator pipes cold in evaporator fin 6c
Road will form the frost at water droplet or initial stage.After the gas compression in wind pressure storehouse 4, temperature is increased, and flows through evaporator fin 6c
When, cooling capacity is not only absorbed, heat is discharged, can also melt frost, after finally flowing down in a manner of water droplet, flow to case through drainpipe 11
Outside.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, it is on the premise of not departing from the spirit and scope of the utility model, in the art common
Simply changing and replacing for technical staff be all within the protection scope of the utility model.
Claims (5)
1. a kind of circulation air path of air-cooled Medical refrigerator, including refrigeration fan housing and the air duct formed by air duct board, feature
It is: is equipped with air inlet on refrigeration fan housing, evaporator is installed in refrigeration fan housing, is equipped with top in the side of refrigeration fan housing
Side air outlet, the air duct are set to memory space side wall, are connected between air duct and refrigeration fan housing, in the intermediate front in air duct
Equipped with intermediate front-outlet mouth, the medial side face in air duct is equipped with medial side face air outlet, goes out in the bottom in air duct equipped with bottom
Air port is equipped with fan in refrigeration fan housing, and the air inlet of fan is toward and proximate to the air inlet for refrigerating fan housing.
2. a kind of circulation air path of air-cooled Medical refrigerator according to claim 1, it is characterised in that: at the bottom in air duct
Wind direction adjustment block is equipped at portion's air outlet.
3. a kind of circulation air path of air-cooled Medical refrigerator according to claim 2, it is characterised in that: the wind direction
The connection of the lining activities of adjustment block and memory space.
4. a kind of circulation air path of air-cooled Medical refrigerator according to claim 1, it is characterised in that: pacify in air duct
Equipped with turbulent flow plate.
5. a kind of circulation air path of air-cooled Medical refrigerator according to claim 1, it is characterised in that: air duct passes through wind
Guidance tape fixation surrounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074077.3U CN208567260U (en) | 2018-07-09 | 2018-07-09 | A kind of circulation air path of air-cooled Medical refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074077.3U CN208567260U (en) | 2018-07-09 | 2018-07-09 | A kind of circulation air path of air-cooled Medical refrigerator |
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| Publication Number | Publication Date |
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| CN208567260U true CN208567260U (en) | 2019-03-01 |
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| CN201821074077.3U Active CN208567260U (en) | 2018-07-09 | 2018-07-09 | A kind of circulation air path of air-cooled Medical refrigerator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090670A (en) * | 2019-06-05 | 2019-08-06 | 江苏拓米洛环境试验设备有限公司 | Environmental test chamber with top air draught type air channel structure |
| CN110150912A (en) * | 2019-06-17 | 2019-08-23 | 河南千年冷链设备有限公司 | A kind of direct-cooled service formula refrigerator display case |
| CN110701851A (en) * | 2018-07-09 | 2020-01-17 | 中科美菱低温科技股份有限公司 | Circulating air duct of air-cooled medical refrigerator |
| CN111765703A (en) * | 2020-07-07 | 2020-10-13 | 长虹美菱股份有限公司 | Air duct system and refrigerator |
| TWI761069B (en) * | 2021-02-05 | 2022-04-11 | 江泰豐 | Intelligent temperature control type vaccine refrigerator |
-
2018
- 2018-07-09 CN CN201821074077.3U patent/CN208567260U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701851A (en) * | 2018-07-09 | 2020-01-17 | 中科美菱低温科技股份有限公司 | Circulating air duct of air-cooled medical refrigerator |
| CN110090670A (en) * | 2019-06-05 | 2019-08-06 | 江苏拓米洛环境试验设备有限公司 | Environmental test chamber with top air draught type air channel structure |
| CN110090670B (en) * | 2019-06-05 | 2024-02-20 | 江苏拓米洛高端装备股份有限公司 | Environmental test box with top induced draft type air duct structure |
| CN110150912A (en) * | 2019-06-17 | 2019-08-23 | 河南千年冷链设备有限公司 | A kind of direct-cooled service formula refrigerator display case |
| CN110150912B (en) * | 2019-06-17 | 2022-03-04 | 河南千年冷链设备有限公司 | Direct-cooling service type refrigerated display cabinet |
| CN111765703A (en) * | 2020-07-07 | 2020-10-13 | 长虹美菱股份有限公司 | Air duct system and refrigerator |
| TWI761069B (en) * | 2021-02-05 | 2022-04-11 | 江泰豐 | Intelligent temperature control type vaccine refrigerator |
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