CN209295520U - A kind of refrigerator using single sterlin refrigerator as cold source - Google Patents
A kind of refrigerator using single sterlin refrigerator as cold source Download PDFInfo
- Publication number
- CN209295520U CN209295520U CN201822233372.5U CN201822233372U CN209295520U CN 209295520 U CN209295520 U CN 209295520U CN 201822233372 U CN201822233372 U CN 201822233372U CN 209295520 U CN209295520 U CN 209295520U
- Authority
- CN
- China
- Prior art keywords
- air
- refrigerator
- temperature
- out passage
- sterlin
- 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 - Fee Related
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a kind of refrigerator using single sterlin refrigerator as cold source, including three mutually indepedent, and the warm area of sequential from top to bottom, respectively freeze space, temperature-varying zone and chill space.The cold finger of sterlin refrigerator separates two parts, respectively low temperature cavity and high temperature chamber by thermal insulation layer.Central axis of the thermal insulation layer perpendicular to cold finger.Low temperature cavity is connected with freeze space, and carries out cooling supply.The air-out passage of high temperature chamber is split valve and is divided into the first air-out passage and the second air-out passage.Wherein, the first air-out passage is connected with temperature-varying zone；Second air-out passage is connected with chill space；Air door is installed on the first air-out passage, for controlling the air output of input temperature-varying zone.So, the cold finger for realizing sterlin refrigerator carries out independent cooling supply to three warm areas simultaneously.In addition, the flow divider and air door of setting can quickly and easily realize the distribution to cooling capacity, and then realizes and the temperature of temperature-varying zone and chill space is controlled.
Description
Technical field
The utility model relates to refrigerator manufacturing technology fields, are specifically related to a kind of using single sterlin refrigerator conduct
The refrigerator of cold source.
Background technique
Ultra low temperature freezer (being lower than -40 DEG C) is saving drug, vaccine, enzyme, hormone, stem cell, blood platelet, sperm, gene
The biological and chemical agents such as clone bank field has a wide range of applications, and conventional design form generally uses double-compressor overlapping shape
Formula.With the promotion of sterlin refrigerator batch production capacity power and the reduction of cost, in ultra low temperature freezer using sterlin refrigerator into
Row is cooling to be become as more feasible scheme, and realizes that multiple warm areas are increasingly becoming research and product development in the same refrigerator
Hot spot.As disclosed a kind of multi gear ice chest in Chinese invention patent CN 106766540A specification, including cabinet, cabinet are set
It is equipped with mutually independent first chamber resettling and the second chamber resettling, cabinet further includes Stirling motor, and Stirling motor includes
Hot end and cold end, cold end and the second chamber resettling directly or indirectly contact so that cooling capacity is imported the second chamber resettling, hot end and cold
Heat insulation structural is provided between end separated in hot end and cold end in the first high temperature chamber and the second cryogenic chamber respectively, second
Cryogenic chamber is adjacent with the second chamber resettling；A part of evaporator pipeline is by the first high temperature chamber and is set around hot end.On
The cold source for stating Stirling motor in scheme is underutilized, and energy utilization rate is lower, and is not easy to each chamber room temperature
It is adjusted, controls.Thus, it would be highly desirable to technical staff solves the above problems.
Utility model content
In order to solve the problems, such as that above-mentioned technology exists, the utility model provides that a kind of structure is simple, energy utilization rate is high, energy
Cooling supply is carried out to three warm areas simultaneously, and is convenient for the ice using single sterlin refrigerator as cold source of cooling capacity distribution
Case.
In order to solve the above-mentioned technical problem, the utility model relates to a kind of using single sterlin refrigerator as cold source
Refrigerator, including three mutually indepedent, and the warm area of sequential from top to bottom, respectively freeze space, temperature-varying zone and chill space.
The cold finger of sterlin refrigerator separates two parts, respectively low temperature cavity and high temperature chamber by thermal insulation layer.The thermal insulation layer is perpendicular to cold finger
Central axis.Low temperature cavity is connected with freeze space, and carries out cooling supply.The air-out passage of high temperature chamber is split valve and is divided into first
Air-out passage and the second air-out passage.Wherein, the first air-out passage is connected with temperature-varying zone；Second air-out passage and chill space phase
Connection；Air door is installed on the first air-out passage, for controlling the air output of input temperature-varying zone.
The cold finger of refrigerator by adopting the above technical scheme, sterlin refrigerator is artificially divided into two parts by thermal insulation layer,
Wherein, low temperature cavity directly carries out cooling supply to cooling zone, so that ultralow temperature (or even can achieve -150 DEG C) is realized, far from cold finger end
Portion, high temperature chamber that temperature is relatively high then carry out cooling supply to temperature-varying zone and chill space simultaneously, so that sterlin refrigerator is cold
Amount is fully used, and energy utilization rate is substantially increased.In addition, it is additionally provided with flow divider and air door, so that cooling capacity
Distribution is more quick, easily-controllable, and then realizes the accurate control to temperature-varying zone and chill space temperature.
This is also set up using single sterlin refrigerator as the refrigerator of cold source as a further improvement of the utility model,
There is third air-out passage, for being connected to low temperature cavity and freeze space.
It is configured by using aforesaid way, under the action of blower, low temperature cavity and freeze space can fully be realized
Heat exchange, and structure is simple, lower production costs, but at the same time the phenomenon that there are condensation icings.
This is also set up using single sterlin refrigerator as the refrigerator of cold source as a further improvement of the utility model,
There is the thermal siphon for being arranged in freeze space, is directly in contact with the head of sterlin refrigerator cold finger.In the side wall of low temperature cavity
On offer the through-hole passed through for the thermal siphon.
The conduction of cooling capacity is carried out using thermal siphon, the blower not depended in low temperature cavity conducts heat, greatly reduces cold
Freeze the humidity in area, thus significantly reduces the probability of happening of frost.
Air door is set to the air outlet of the first air-out passage as a further improvement of the utility model,.The air door is by frame
The composition such as frame and air flap.The shaft mutually fixed with air flap is provided in the two opposite side walls of frame.It is set in shaft
It is equipped with gear, is driven by motor.
It is configured by using aforesaid way, is easy to implement and the cooling capacity for flowing into temperature-varying zone in the unit time is adjusted
Control, and driving structure design form is simple, reliably.
Heat conductive graphite piece is enclosed on the outer wall of air flap as a further improvement of the utility model,.
The temperature of temperature-varying zone is controlled using air door, cavity temperature is excessively high when needing to freeze, door opening, so that cold sky
Gas enters temperature-varying zone, and when temperature reaches setting value, air door is closed.However, when cold air stream is through air flap since the temperature difference is held
The surface Yi Qi condensation, and then freeze, the open and close of air door is seriously affected, to influence the temperature control effect of refrigerator.Heat conductive graphite
The thermal coefficient of piece is up to 1500W/ (m.K), and can be radiated along two directions, is arranged by using aforesaid way, be may make
Heat is rapidly conducted in each region of air flap, reduces the temperature difference of air flap, so that each regional temperature reaches unanimity,
Prevent to generate condensation on its surface, improves the leakproofness at refrigerator air door.
Heat-conducting glue layer is provided between air flap and heat conductive graphite piece as a further improvement of the utility model,.
This further includes as the refrigerator of cold source using single sterlin refrigerator as a further improvement of the utility model,
There is controller.Electric heating tube, frost thickness temperature-sensitive head and use for frost thickness in test chamber are provided in freeze space
In the first temperature sensor of test chamber body temperature；The outside of refrigerator is provided with second temperature sensor, for monitoring room
Outer temperature.The data of controller real-time reception the first temperature sensor and second temperature sensor, and calculate the difference of the two.It is logical
It crosses the difference and frost thickness value is compared with the preset standard value of controller, to select different defrosting modes, in turn
Determine the operating power of electric heating tube.
It is configured by using aforesaid way, the single problem of Defrost mode in the prior art is changed, for freezing
The intracavitary different frosting situation in area, and comprehensively consider the inside and outside temperature difference of cavity, to select different defrosting modes, it is ensured that
Defrosting effect and time.
The controller is PLC controller as a further improvement of the utility model,.
The bottom of refrigerator is provided with water storage tank as a further improvement of the utility model, and water is being arranged inside
Divide evaporator.The diversion trench being connected with water storage tank is provided in temperature-varying zone and the intracavitary of chill space.
It is configured by using aforesaid way, temperature-varying zone and chill space can be effectively prevented due to condensation or other originals
Because of the ponding of generation, its intracavitary cleannes is kept, extends the storage period for placing object.
Sterlin refrigerator is fixed on side wall of the refrigerator close to its top position as a further improvement of the utility model,
On.Rubber damper is provided between sterlin refrigerator and side wall.
It is configured, can be effectively improved in the stability and use process of refrigerator itself by using aforesaid way
The noise as caused by impact vibration.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model using layout drawing of the single sterlin refrigerator as the refrigerating circuit of cold source refrigerator.
Fig. 2 is the utility model using structural schematic diagram of the single sterlin refrigerator as cold source refrigerator.
The freeze space 1-；The temperature-varying zone 2-；The chill space 3-；4- cold finger；41- low temperature cavity；42- high temperature chamber；5- thermal insulation layer；6- is shunted
Valve；The first air-out passage of 7-；The second air-out passage of 8-；9- third air-out passage；10- air door；11- rubber damper；12- water storage
Slot；13- water-vaporizer.
Specific embodiment
Combined with specific embodiments below, the content of the utility model is described in further detail.
Fig. 1 shows the utility model using arrangement of the single sterlin refrigerator as the refrigerating circuit of cold source refrigerator
Figure.The refrigerator includes three mutually indepedent, and the warm area of sequential from top to bottom, according to its cavity temperature and it is functional not
Together, freeze space 1, temperature-varying zone 2 and chill space 3 are respectively designated as.In the present embodiment, use sterlin refrigerator as cold source.
The cold finger 4 of sterlin refrigerator separates two parts, respectively low temperature cavity 41 and high temperature chamber 42 by thermal insulation layer 5.The thermal insulation layer 5 is by exhausted
Hot material is made, and is vertically sheathed on above-mentioned cold finger 4.The forms of distribution of cold source are as follows: the air-out passage quilt of high temperature chamber 42
Flow divider 6 is divided into the first air-out passage 7 and the second air-out passage 8.Wherein, the first air-out passage 7 is connected with temperature-varying zone 2；
Second air-out passage 8 is connected with chill space 3；Low temperature cavity 41 and freeze space 1 be connected directly by third air-out passage 9 it is logical, and
Cooling supply is carried out, to realize ultralow temperature (or even can achieve -150 DEG C).In addition, sending for the ease of control input temperature-varying zone 2
Air quantity can also install air door 10 on the first air-out passage 7.In this way, obtain the refrigerating capacity of sterlin refrigerator
It makes full use of, substantially increases energy utilization rate.It needs to illustrate herein a bit, it is low under the action of blower (not shown)
Warm chamber 41 and freeze space 1, which pass through third air-out passage 9, can fully realize that heat exchanges, and still, be easy in the process
The phenomenon that existing condensation freezes, reduces the capacity usage ratio of refrigerator, for this purpose, can improve as follows: low temperature cavity 41 and freeze space 1 it
Between by thermal siphon carry out heat exchange, which is directly in contact with the head of sterlin refrigerator cold finger 4, low
The through-hole passed through for the thermal siphon is offered on the side wall of warm chamber 41.
As advanced optimizing for above-mentioned refrigerator, above-mentioned air door 10 is preferably secured to the air outlet of the first air-out passage 7,
And the air door is made of frame and air flap etc..It is provided in the two opposite side walls of frame and turns with what air flap was mutually fixed
Axis.It is provided with gear in shaft, is driven by motor, determines that the air door 10 itself is opened according to the external control signal inputted
The size of mouth, and then realize and the cooling capacity for flowing into temperature-varying zone 2 in the unit time is regulated and controled.The mechanism of air door 10 is as follows:
When cavity temperature is excessively high to be needed to freeze, air door 10 is opened, so that cold air enters temperature-varying zone 2；When temperature reaches setting value
When, air door 10 is closed.In above process, cold air stream through when air flap since the temperature difference is easy in its surface condensation, Jin Erjie
Ice, has seriously affected the open and close of air door 10, to influence the temperature control effect of refrigerator.It to solve the above-mentioned problems, can be in air door
Heat conductive graphite piece is wrapped up on the outer wall of piece reduces the temperature of air flap so that heat is rapidly conducted in each region of air flap
Difference prevents to generate condensation on its surface so that each regional temperature reaches unanimity.Between air flap and heat conductive graphite piece preferably
Heat-conducting glue layer is binded.
Fig. 2 shows the utility model to use structural schematic diagram of the single sterlin refrigerator as cold source refrigerator.In order to
So that temperature-varying zone 2 and chill space 3 be since the ponding that condensation or other reasons generate is discharged in time, it can be in the intracavitary setting of the two
There is diversion trench (not shown), and water flow is introduced directly into the water storage tank 12 for being set to refrigerator bottom, to guarantee refrigerator inner cavity
Cleannes, extend place object storage period.In addition, in order to accelerate the evaporation rate of water in water storage tank 12, prevent excessive, may be used also
Water-vaporizer 13 to be arranged in the water storage tank 12.Dry combustion method in order to prevent is equipped with water level controller (in figure in water storage tank 12
It is not shown).The water level controller is connected with water-vaporizer 13.When water level is more than the upper limit value of water level controller setting, i.e.,
Shi Qidong water-vaporizer 13.When the lower limit value that water level decreasing to water level controller is set, water-vaporizer 13 is closed immediately.
Furthermore sterlin refrigerator is preferably fixed to refrigerator on the side wall of its top position, and in stirling refrigeration
Rubber damper 11 is provided between machine and side wall.In order to obtain preferable effectiveness in vibration suppression, the thickness of the rubber damper 11 is not
It is preferably excessively thin, it is advisable with 15~20mm.
Furthermore intelligent defrosting system can also be introduced in the refrigerator freezing area, it is specific as follows: to be set in freeze space 1
Electric heating tube (not shown), frost thickness temperature-sensitive head (not shown) and the first temperature sensor is equipped with (not show in figure
Out).Wherein, frost thickness temperature-sensitive head is for frost thickness in test chamber；First temperature sensor is used for test chamber body temperature.
In addition, being provided with the second temperature sensor (not shown) for monitoring outdoor environment temperature in the outside of refrigerator.Pass through
The data of controller (not shown) real-time reception the first temperature sensor and second temperature sensor, and calculate the difference of the two
Value.It is compared by the difference and frost thickness value with the preset standard value of controller, so that different defrosting modes is selected,
And then determine the operating power of electric heating tube, the single problem of Defrost mode in the prior art is changed, for 1 cavity of freeze space
Interior different frosting situation, and comprehensively consider the inside and outside temperature difference of cavity, to select different defrosting modes, it is ensured that remove
White effect and time.The preferred fast response time of above controller, convenient for passing through the PLC controller for being programmed into the setting of row standard value.
Furthermore the cabinet of the refrigerator is made of outer container, liner, heat insulation layer three parts.Wherein, liner is preferentially selected by true
Empty molding ABS plate, and its thickness is no more than 1 millimeter.The preferred polyurethane foam of heat insulation layer is made.
Furthermore LED multi-color lamp can be increased in freeze space 1, temperature-varying zone 2 and each warm area of chill space 3, increase height
Shelves sense and ambiance, and have i.e. bright effect of opening the door.User can according to need recall white, purple, yellow, red,
These multiple colors can also be carried out circulation change illumination by the multiple colors such as blue, green.
Finally, can also be according to requiring to increase visual window on the chamber door of refrigerator, and the visual window is preferably by electrically heated glass
Be made, be effectively prevented its surface haze, condensation, convenient for it can be clearly seen that the case where refrigerator inside cavity.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of refrigerator using single sterlin refrigerator as cold source, including three mutually indepedent, and from top to bottom sequentially
The warm area of arrangement, respectively freeze space, temperature-varying zone and chill space, which is characterized in that the cold finger of the sterlin refrigerator by every
Thermosphere separates two parts, respectively low temperature cavity and high temperature chamber；Central axis of the thermal insulation layer perpendicular to the cold finger；It is described low
Warm chamber is connected with the freeze space, and carries out cooling supply；The air-out passage of the high temperature chamber is split valve and is divided into the first outlet air
Channel and the second air-out passage；First air-out passage is connected with the temperature-varying zone；Second air-out passage with it is described
Chill space is connected；Air door is installed on first air-out passage, for controlling the air output for inputting the temperature-varying zone.
2. the refrigerator according to claim 1 using single sterlin refrigerator as cold source, which is characterized in that also set up
There is third air-out passage, for being connected to the low temperature cavity and the freeze space.
3. the refrigerator according to claim 1 using single sterlin refrigerator as cold source, which is characterized in that also set up
There is the thermal siphon for being arranged in freeze space, is directly in contact with the head of the sterlin refrigerator cold finger；In the low temperature
The through-hole passed through for the thermal siphon is offered on the side wall of chamber.
4. the refrigerator according to any one of claim 1-3 using single sterlin refrigerator as cold source, feature
It is, the air door is set to the air outlet of first air-out passage；The air door includes frame and air flap；Institute
State the shaft for being provided in the two opposite side walls of frame and mutually fixing with the air flap；It is provided with gear in the shaft, by
Motor is driven.
5. the refrigerator according to claim 4 using single sterlin refrigerator as cold source, in the outer of the air flap
Heat conductive graphite piece is enclosed on wall.
6. the refrigerator according to claim 5 using single sterlin refrigerator as cold source, in the air flap and institute
It states and is provided with heat-conducting glue layer between heat conductive graphite piece.
7. the refrigerator according to claim 4 using single sterlin refrigerator as cold source, which is characterized in that further include
There is controller；Electric heating tube is provided in the freeze space, for the frost thickness temperature-sensitive head of frost thickness value in test chamber
And the first temperature sensor for test chamber body temperature；The outside of the refrigerator is provided with second temperature sensor,
For monitoring outdoor temperature；The data of first temperature sensor and second temperature sensor described in the controller real-time reception,
And calculate the difference of the two；It is compared, divided with the preset standard value of the controller by the difference and frost thickness value
Analysis to select different defrosting modes, and then determines the operating power of the electric heating tube.
8. the refrigerator according to claim 7 using single sterlin refrigerator as cold source, which is characterized in that the control
Device processed is PLC controller.
9. the refrigerator according to claim 4 using single sterlin refrigerator as cold source, which is characterized in that described
The bottom of refrigerator is provided with water storage tank, and water-vaporizer is being arranged inside；Chamber in the temperature-varying zone and the chill space
Inside it is provided with the diversion trench being connected with the water storage tank.
10. the refrigerator according to claim 4 using single sterlin refrigerator as cold source, which is characterized in that described
Sterlin refrigerator is fixed on the refrigerator on the side wall of its top position；In the sterlin refrigerator and the side wall
Between be provided with rubber damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233372.5U CN209295520U (en) | 2018-12-28 | 2018-12-28 | A kind of refrigerator using single sterlin refrigerator as cold source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233372.5U CN209295520U (en) | 2018-12-28 | 2018-12-28 | A kind of refrigerator using single sterlin refrigerator as cold source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209295520U true CN209295520U (en) | 2019-08-23 |
Family
ID=67649480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822233372.5U Expired - Fee Related CN209295520U (en) | 2018-12-28 | 2018-12-28 | A kind of refrigerator using single sterlin refrigerator as cold source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209295520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458783A (en) * | 2018-12-28 | 2019-03-12 | 浙江荣捷特科技有限公司 | A kind of refrigerator using single sterlin refrigerator as cold source |
-
2018
- 2018-12-28 CN CN201822233372.5U patent/CN209295520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458783A (en) * | 2018-12-28 | 2019-03-12 | 浙江荣捷特科技有限公司 | A kind of refrigerator using single sterlin refrigerator as cold source |
| CN109458783B (en) * | 2018-12-28 | 2024-07-02 | 杭州喆诺制冷设备有限公司 | Refrigerator adopting single Stirling refrigerator as cold source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103851875B (en) | A kind of control method of cold compartment of refrigerator | |
| CN109764602B (en) | Control method of refrigerator | |
| WO2018032607A1 (en) | Air-cooled refrigerator and control method therefor | |
| WO2019120104A1 (en) | Refrigerator | |
| JP2021509944A (en) | refrigerator | |
| CN206410403U (en) | Refrigerator | |
| CN109869968A (en) | A kind of refrigerator with air duct structure | |
| CN106196818A (en) | Refrigerator compartment and control system thereof | |
| CN106482431A (en) | Wind cooling refrigerator | |
| CN202562165U (en) | Refrigerator | |
| CN108286856A (en) | Refrigerator | |
| CN209295520U (en) | A kind of refrigerator using single sterlin refrigerator as cold source | |
| AU2021344298B2 (en) | Refrigerator | |
| CN2392142Y (en) | Volume changeable refrigerator | |
| CN208332810U (en) | A kind of refrigerator and its refrigeration module | |
| CN110296479A (en) | Air conditioner used in kitchen all-in-one machine | |
| CN205262034U (en) | Air -cooling refrigerator | |
| CN112856907A (en) | Heat exchange device of energy-saving refrigerator and control method | |
| CN109458783A (en) | A kind of refrigerator using single sterlin refrigerator as cold source | |
| CN109764603B (en) | Control method of refrigerator | |
| CN209013571U (en) | A kind of frostless air-cooled refrigerator-freezer with moisture-keeping functions | |
| CN207778905U (en) | Refrigerator | |
| CN110425804A (en) | A kind of wind circulation changes in temperature storage cabinet and its control method | |
| CN206656530U (en) | A kind of full alternating temperature wind cooling refrigerator | |
| CN109539674A (en) | Refrigerator air cooling evaporator frost-removal structure and refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20191228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |