CN209689257U - A kind of ultralow temperature refrigerating equipment - Google Patents

A kind of ultralow temperature refrigerating equipment Download PDF

Info

Publication number
CN209689257U
CN209689257U CN201920134724.3U CN201920134724U CN209689257U CN 209689257 U CN209689257 U CN 209689257U CN 201920134724 U CN201920134724 U CN 201920134724U CN 209689257 U CN209689257 U CN 209689257U
Authority
CN
China
Prior art keywords
layer
cold storage
ultralow temperature
storage cavity
refrigerating equipment
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.)
Active
Application number
CN201920134724.3U
Other languages
Chinese (zh)
Inventor
龚央丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Kingo Electric Appliance Co.,Ltd.
Original Assignee
NINGBO JINGEAO ELECTRONICS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO JINGEAO ELECTRONICS CO Ltd filed Critical NINGBO JINGEAO ELECTRONICS CO Ltd
Priority to CN201920134724.3U priority Critical patent/CN209689257U/en
Application granted granted Critical
Publication of CN209689257U publication Critical patent/CN209689257U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Refrigerator Housings (AREA)

Abstract

The utility model relates to a kind of ultralow temperature refrigerating equipments, including cabinet, refrigerating plant, there is cold storage cavity in cabinet, the opening of cold storage cavity is equipped with chamber door, the cavity wall and chamber door of cold storage cavity include internal layer, outer layer and the insulating layer being arranged between outer layer and internal layer, insulating layer includes the layer of polyurethane being close to the tinfoil layer of internal layer and being filled between tinfoil layer and outer layer, and the centre of layer of polyurethane is separated with glass layer.The insulating layer being arranged in the cavity wall and chamber door of the cold storage cavity of the utility model is made of layer of polyurethane, the glass layer being clipped in layer of polyurethane and tinfoil layer, tinfoil layer and glass layer all have good thermal insulation, to have dual heat insulation, and glass layer is clipped in layer of polyurethane for layer of polyurethane to be divided into two layers, to have dual heat insulation effect, so that the utility model has better heat insulating effect, so the wall thickness of the utility model can be further decreased, the service efficiency of cold storage cavity is improved.

Description

A kind of ultralow temperature refrigerating equipment
Technical field
The utility model relates to refrigerating equipment more particularly to a kind of ultralow temperature refrigerating equipments.
Background technique
In industry fields such as current biology, medicine, it usually needs biological sample is stored, such as research institutions, It is related to the laboratory of life science, hospital, pharmaceutical factory, biotech company etc., requires in work, production using biological sample This.These usual biological samples are located in refrigerating equipment.It is conventional that this refrigerating equipment is different from general refrigerator, freezer etc. Refrigerating equipment, storage temperature when work may be down to subzero 150 degrees Celsius, only under ultra-low temperature surroundings, these biologies Sample is likely to obtain the storage of long period.This refrigerating equipment is commonly referred to as ultralow temperature refrigerating equipment.
For this ultralow temperature refrigerating equipment to obtain good refrigeration effect, must also while having refrigeration system There must be heat insulation effect good enough, to prevent heat and the inside of ultra-low temperature cold hiding device external from carrying out heat exchange, influence to set Standby refrigeration effect.The tank wall of usually current ultralow temperature refrigerating equipment all uses composite insulation material, usually in tank wall Filled polyurethane foamed material is as insulating layer.Due between inside ultralow temperature refrigerating equipment and outside there are the huge temperature difference, So if the heat insulation effect of refrigerating equipment is required to reach requirement, must be requested that the polyurethane foam material filled is enough It is thick.The volume that can result in refrigerating equipment in this way is excessively huge, and its internal refrigerated storage space is relative to whole equipment Volume for service efficiency it is lower.
Summary of the invention
In order to overcome the above deficiencies in the prior art, the utility model provides a kind of ultralow temperature refrigerating equipment, should The wall thickness of ultralow temperature refrigerating equipment has better heat insulation effect under the conditions of same equivalent.
The technical scheme in the invention for solving the technical problem is: a kind of ultralow temperature refrigerating equipment, including cabinet and Refrigerating plant in the cabinet, has cold storage cavity in the cabinet, and the opening of the cold storage cavity is equipped with chamber door, the refrigeration The cavity wall and chamber door of chamber include internal layer, outer layer and the insulating layer being arranged between the outer layer and internal layer, which includes The layer of polyurethane being close to the tinfoil layer of internal layer and being filled between tinfoil layer and outer layer, the centre of the layer of polyurethane is separated with glass Glass fibrous layer.
Preferably, being equipped at least two sealed structures between the chamber door and the opening of the cold storage cavity.
Preferably, sealing structure described in per pass includes boss and the groove for accommodating the boss, institute is arranged in the boss It states on one in the opening of chamber door and the cold storage cavity, and the chamber door and the cold storage cavity is then arranged in the groove On another in opening.
Preferably, sealing structure described in per pass further include be set in the boss it is outer and be located at the boss and groove it Between sealing ring.
Preferably, at least sealing structure described in twice is spaced apart in the horizontal direction, have one in vertical direction Determine difference in height.
Preferably, the insulating layer further includes vacuum interlayer.
Preferably, the internal layer and outer layer are made of stainless steel material.
Mechanical cavity, the pressure of the refrigerating plant are additionally provided with preferably, being located at beside the cold storage cavity in the cabinet Contracting machine is installed in the mechanical cavity, and the side wall of the mechanical cavity is equipped with heat release hole.
Preferably, the bottom of the cabinet is equipped with castor.
The utility model has the beneficial effects that: the insulating layer being arranged in the cavity wall and chamber door of the cold storage cavity of the utility model It is made of layer of polyurethane, the glass layer being clipped in layer of polyurethane and tinfoil layer, tinfoil layer and glass layer all have Good thermal insulation, so that there is dual heat insulation, and glass layer is clipped in layer of polyurethane to divide layer of polyurethane At two layers, to have dual heat insulation effect, so that the utility model has better heat insulating effect, so can To further decrease the wall thickness of the utility model, the service efficiency of cold storage cavity is improved.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model.
Fig. 2 is the partial sectional view of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1, Fig. 2, a kind of ultralow temperature refrigerating equipment, the refrigerating plant including cabinet 1 and in the cabinet, The refrigerating plant can use rectification type auto-cascade refrigeration technology, good refrigeration effect comprising compressor, condenser, rectifying column, Regenerator, evaporator and throttle valve, compressor are connected with condenser, and condenser is connected with the cylinder import of rectifying column, rectifying column Bottom liquid outlet be connected with the insertion point of regenerator by throttle valve, the high-voltage end of outlet and regenerator at the top of rectifying column into Mouth is connected, and the high-voltage end outlet of regenerator is connected by throttle valve with evaporator, and evaporator is connected with the low pressure inlet of regenerator, The outlet of regenerator is connected with the top heat exchanger of rectifying column, and the outlet of heat exchanger is connected with the air entry of compressor, the case There is cold storage cavity 2 in body, the opening of the cold storage cavity is equipped with chamber door 3, the cavity wall and chamber door of the cold storage cavity include internal layer 11, Outer layer 12 and the insulating layer being arranged between the outer layer and internal layer, the insulating layer include be close to internal layer tinfoil layer 13 and The layer of polyurethane 14 being filled between tinfoil layer and outer layer, the centre of the layer of polyurethane are separated with glass layer 15.This is practical new The insulating layer being arranged in the cavity wall and chamber door 3 of the cold storage cavity 2 of type is by layer of polyurethane 14, the glass fibre being clipped in layer of polyurethane Layer 15 and tinfoil layer 13 are constituted, and tinfoil layer 13 and glass layer 15 all have good thermal insulation, to have dual heat-insulated Effect, and glass layer is clipped in layer of polyurethane for layer of polyurethane 14 to be divided into two layers, to be imitated with dual heat preservation Fruit, so that the utility model has better heat insulating effect, it is possible to further decrease the wall of the utility model Thickness improves the service efficiency of cold storage cavity 2.
At least two sealed structures are equipped between the chamber door 3 and the opening of the cold storage cavity 2, it is practical new to this in this way Type realization is multi-layer sealed, limits scattering and disappearing for cooling capacity to greatest extent.Sealing structure described in per pass includes boss 4 and receiving The groove 5 of the boss, the boss is arranged on one in the opening of the chamber door and the cold storage cavity, and the groove is then It is arranged on another in the opening of the chamber door and the cold storage cavity, in the present embodiment, boss 4 is arranged on chamber door 3, The opening of cold storage cavity 2 is arranged in groove 5.Sealing structure described in per pass further includes being set in outside the boss and being located at described convex Sealing ring between platform and groove, sealing effect are more preferable.Sealing structure can also be sealing ring, and sealing ring is in up and down and to be arranged.
At least sealing structure described in twice is spaced apart in the horizontal direction, has certain altitude poor in vertical direction, When sealing structure is two, i.e., boss 4 and groove 5 it is each there are two, two boss are spaced apart in the horizontal direction, hanging down Histogram is to poor with certain altitude, i.e., two boss, which successively reduce, gets higher, and two grooves are spaced apart in the horizontal direction, In Vertical direction has certain altitude poor, i.e., two grooves, which successively reduce, deepens.
The insulating layer further includes vacuum interlayer, and vacuum interlayer can be set in layer of polyurethane, also be can be set poly- The outside of layer of polyurethane can also be arranged in the inside of urethane layer, be further reduced leakage heat.
The internal layer 11 and outer layer 12 are made of stainless steel material, at low cost.
Side in the cabinet 1 positioned at the cold storage cavity 2 is additionally provided with mechanical cavity, the compressor installation of the refrigerating plant In the mechanical cavity, the side wall of the mechanical cavity is equipped with heat release hole 6, rationally distributed, good appearance, and heat release hole is conducive to press The heat dissipation of contracting machine, prolongs the service life.
The bottom of the cabinet 1 is equipped with castor 7, is moved easily the utility model.
Above embodiment is used to illustrate the utility model, rather than limits the utility model, in this reality With in novel spirit and scope of protection of the claims, to any modifications and changes that the utility model is made, this is both fallen within The protection scope of utility model.

Claims (9)

1. a kind of ultralow temperature refrigerating equipment, the refrigerating plant including cabinet and in the cabinet has in the cabinet cold Chamber is hidden, the opening of the cold storage cavity is equipped with chamber door, it is characterised in that: the cavity wall and chamber door of the cold storage cavity include internal layer, outer Layer and the insulating layer being arranged between the outer layer and internal layer, the insulating layer include being close to the tinfoil layer of internal layer and being filled in The centre of layer of polyurethane between tinfoil layer and outer layer, the layer of polyurethane is separated with glass layer.
2. ultralow temperature refrigerating equipment according to claim 1, it is characterised in that: the opening of the chamber door and the cold storage cavity Between be equipped at least two sealed structures.
3. ultralow temperature refrigerating equipment according to claim 2, it is characterised in that: sealing structure described in per pass include boss, And the groove of the boss is accommodated, the boss is arranged on one in the opening of the chamber door and the cold storage cavity, and institute State that groove is then arranged in the opening of the chamber door and the cold storage cavity another on.
4. ultralow temperature refrigerating equipment according to claim 3, it is characterised in that: sealing structure described in per pass further includes being arranged In the sealing ring outside the boss and between the boss and groove.
5. ultralow temperature refrigerating equipment according to claim 3, it is characterised in that: at least sealing structure described in twice is in level Direction is spaced apart, has certain altitude poor in vertical direction.
6. ultralow temperature refrigerating equipment described according to claim 1 ~ any one of 5, it is characterised in that: the insulating layer further includes Vacuum interlayer.
7. ultralow temperature refrigerating equipment described according to claim 1 ~ any one of 5, it is characterised in that: the internal layer and outer layer are equal It is made of stainless steel material.
8. ultralow temperature refrigerating equipment described according to claim 1 ~ any one of 5, it is characterised in that: be located at institute in the cabinet It states and is additionally provided with mechanical cavity beside cold storage cavity, the compressor of the refrigerating plant is installed in the mechanical cavity, the mechanical cavity Side wall be equipped with heat release hole.
9. ultralow temperature refrigerating equipment described according to claim 1 ~ any one of 5, it is characterised in that: the bottom of the cabinet is set There is castor.
CN201920134724.3U 2019-01-26 2019-01-26 A kind of ultralow temperature refrigerating equipment Active CN209689257U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920134724.3U CN209689257U (en) 2019-01-26 2019-01-26 A kind of ultralow temperature refrigerating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920134724.3U CN209689257U (en) 2019-01-26 2019-01-26 A kind of ultralow temperature refrigerating equipment

Publications (1)

Publication Number Publication Date
CN209689257U true CN209689257U (en) 2019-11-26

Family

ID=68600367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920134724.3U Active CN209689257U (en) 2019-01-26 2019-01-26 A kind of ultralow temperature refrigerating equipment

Country Status (1)

Country Link
CN (1) CN209689257U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111473546A (en) * 2020-04-23 2020-07-31 长虹美菱股份有限公司 Refrigerating device and refrigerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111473546A (en) * 2020-04-23 2020-07-31 长虹美菱股份有限公司 Refrigerating device and refrigerator

Similar Documents

Publication Publication Date Title
CN203249460U (en) Heat insulation box body, refrigerator with heat insulation box body and hot water storage device with heat insulation box body
CN113720066B (en) Biological sample liquid nitrogen tank refrigerator
CN106871546A (en) A kind of loss biological specimen of liquid nitrogen zero freezes the freezing chamber of tank
CN107477939B (en) Door body ice making device and refrigerator with it
CN203719292U (en) Ultralow temperature refrigerating machine with composite thermal insulation material
CN209689257U (en) A kind of ultralow temperature refrigerating equipment
CN110645752A (en) Realize temperature-reducing and heat-preserving device of temperature subregion
CN100595499C (en) Refrigerator for liquified nitrogen biology
CN106679273A (en) Refrigerating and freezing device
CN101839600B (en) Refrigerating device for preventing blockage of return airway
CN104129572B (en) A kind of low temperature cold insulation energy-saving vertical storage box
CN107940851A (en) Quick cooler and there is its wind cooling refrigerator
CN208332806U (en) A kind of horizontal frostless two-temperature freezer
CN104132494A (en) Multi-inner-container separable long-acting refrigerating cabinet
CN206399085U (en) Refrigerating device
CN202489616U (en) Multi-door vertical cabinet freezer
CN212692267U (en) Refrigerating device
CN206449966U (en) Refrigerating device
CN201327260Y (en) Novel quick ice beer drink dispenser
CN210107835U (en) High stability low temperature storage box
CN206399084U (en) Refrigerating device
CN106642916A (en) Refrigerating device
CN206399086U (en) Refrigerating device
CN206291581U (en) Refrigerating device
CN209068820U (en) A kind of automatic defrosting formula refrigeration container machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: No. 2 Cixi City, Zhejiang province 315311 Ningbo Jinyuan Industrial Zone Longshan Town Road

Patentee after: Ningbo Kingo Electric Appliance Co.,Ltd.

Address before: No. 2 Cixi City, Zhejiang province 315311 Ningbo Jinyuan Industrial Zone Longshan Town Road

Patentee before: NINGBO JINGEAO ELECTRONICS Co.,Ltd.