CN205897645U - Cold -stored refrigeration device - Google Patents
Cold -stored refrigeration device Download PDFInfo
- Publication number
- CN205897645U CN205897645U CN201620840015.3U CN201620840015U CN205897645U CN 205897645 U CN205897645 U CN 205897645U CN 201620840015 U CN201620840015 U CN 201620840015U CN 205897645 U CN205897645 U CN 205897645U
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- solenoid valve
- temperature
- liquid nitrogen
- low temperature
- couveuse
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Abstract
The utility model discloses a cold -stored refrigeration device, include: an insulation can for saving carry the level pressure liquid nitrogen the liquid nitrogen liquid storage pot, be used for controlling the liquid nitrogen flow low temperature electromagnetism clack box, be used for providing cold -stored freezing space, be provided with evaporimeter and fan in the insulation can, connect in order through the pipeline between liquid nitrogen liquid storage pot, low temperature electromagnetism clack box, the evaporimeter, the fan sets up evaporimeter one side, the evaporimeter still includes the exhaust pipe with outside intercommunication, the utility model discloses a liquid nitrogen cools off the temperature in the specific space after supplying with the evaporimeter heat transfer fast, and refrigeration efficiency is high, cooling speed is fast, simple structure, maintainability are good, and satisfies the requirement of low carbon environmental protection.
Description
Technical field
This utility model is related to refrigeration technology field, particularly relates to a kind of refrigerating device.
Background technology
With the continuous improvement of social progress and human substance life horizontal, freezer carrier has obtained constantly
Development and progress, at present, carrying out freezing by mechanical refrigeration unit is the most commonly used refrigeration modes in prior art.Practical new
Type people, during realizing this utility model, finds that above-mentioned prior art presently, there are what refrigerating capacity was associated with road speed
, also there is the shortcomings of cooling rate is slow, complicated in mechanical structure, maintainability are poor, carbon emission is high, noise is big in defect simultaneously.
Utility model content
In view of this, the purpose of this utility model is to propose that a kind of high cooling efficiency, structure be simple, maintainability is good, and
Meet the refrigerating device of low-carbon environment-friendly requirement.
A kind of refrigerating device being provided based on above-mentioned purpose this utility model, comprising: for storage conveying level pressure liquid
The liquid nitrogen fluid reservoir of nitrogen, low-temperature solenoid valve case, the couveuse for providing refrigerating space for controlling liquid nitrogen flow；Institute
State and in couveuse, be provided with vaporizer and blower fan；Pass through pipeline suitable between described liquid nitrogen fluid reservoir, low-temperature solenoid valve case, vaporizer
Secondary connection；Described blower fan is arranged on described vaporizer side；Described vaporizer also includes the gas exhaust piping with ft connection.
In some embodiments, it is additionally provided with temperature sensor and temperature controller in described couveuse；Described temperature sensing
Device for the temperature signal in couveuse described in Real-time Collection and sends to described temperature controller, and described temperature controller is used for according to described
Temperature signal controls described low-temperature solenoid valve case to adjust liquid nitrogen flow.
In some embodiments, described vaporizer is arranged on the side wall of described couveuse.
In some embodiments, described couveuse is vehicle-mounted incubator, railway couveuse, insulated container；When described
When couveuse is vehicle-mounted incubator, described vaporizer is arranged on described couveuse on the side wall of headstock.
In some embodiments, described low-temperature solenoid valve case includes: heavy caliber normally closed low temperature electric solenoid valve, small-bore
Normally closed low temperature electric solenoid valve, heavy caliber normally opened low temperature electric solenoid valve, the manual electromagnetic valve of low temperature, relief valve；Described liquid nitrogen storage
Flow container outlet is connected with described heavy caliber normally closed low temperature electric solenoid valve and small-bore normally closed low temperature electric solenoid valve respectively, described
Heavy caliber normally closed low temperature electric solenoid valve and small-bore normally closed low temperature electric solenoid valve outlet and the normally opened low temp. electric of described heavy caliber
Moving electromagnetic valve import is connected, the normally opened low temperature electric solenoid valve outlet of described heavy caliber and described low temperature manual electromagnetic valve import phase
Even, the manual electromagnetic valve outlet of described low temperature is connected with described vaporizer；Described relief valve is connected on the normally closed low temperature of described heavy caliber
On the pipeline of electric solenoid valve.
From the above it can be seen that the refrigerating device that this utility model provides, vaporizer is supplied by liquid nitrogen and changes
Temperature in quick cooling particular space after heat, high cooling efficiency, cooling rate are fast, structure is simple, maintainability is good, and meet low
The requirement that carbocyclic ring is protected.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the refrigerating apparatus structure schematic diagram of this utility model embodiment.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with specific embodiment, and
Referring to the drawings, this utility model is further described.
The normal boiling point of nitrogen is -196 DEG C, and under normal pressure, -196 DEG C of liquid nitrogen is water white transparency, readily flowed liquid, vaporization
Latent heat is 199kj/kg, can absorb the heat of 397kj/kg during the nitrogen being changed into -5 DEG C, and heat absorption potentiality are big, and cooling effectiveness is high.Cause
This liquid nitrogen refrigerating system with liquid nitrogen as main energy sources, has the advantages that cooling rate is fast, thermoregulation range is wide.Liquid nitrogen source simultaneously
Extensively, it is safe efficient, environmental protection cold-producing medium, Zero-discharge non-pollution is the another big feature of liquid nitrogen refrigerating system.
Based on the These characteristics of nitrogen, this utility model embodiment provides a kind of refrigerating device.With reference to Fig. 1, for this
The refrigerating apparatus structure schematic diagram of utility model embodiment.
Described refrigerating device, comprising: liquid nitrogen fluid reservoir 1, low-temperature solenoid valve case 2, couveuse 3.Setting in couveuse 3
There are vaporizer 301 and blower fan 302.Wherein, liquid nitrogen fluid reservoir 1, low-temperature solenoid valve case 2, between vaporizer 301 by pipeline sequentially
Connect.
Liquid nitrogen fluid reservoir 1 is the liquid nitrogen of the refrigerating device conveying level pressure of the present embodiment, is cylindrical pressure vessel, very
Empty heat insulating construction, design volume determines according to concrete cooling time.Liquid nitrogen fluid reservoir 1 internal layer is made up of corrosion resistant plate, directly with
Liquid nitrogen contacts；Outer layer is general steel plate or corrosion resistant plate, wound insulation material, setting adsorbent box and adiabatic between ectonexine
Support, and be evacuated.The outfan of liquid nitrogen fluid reservoir 1 connects low-temperature solenoid valve case 2 by pipeline.
Low-temperature solenoid valve case 2 is that the refrigerating device of the present embodiment controls corresponding liquid nitrogen flow, is arranged on liquid nitrogen defeated
Send on pipeline.Low-temperature solenoid valve case 2 input connects liquid nitrogen fluid reservoir 1 by pipeline, and outfan connects vaporizer by pipeline
301.Enter the amount of liquid nitrogen in vaporizer 301 by controlling the switch of electromagnetic valve in low-temperature solenoid valve case 2 come security control liquid nitrogen.
Couveuse 3 is cooled piece, can be vehicle-mounted incubator, railway couveuse, insulated container etc..Wherein, in order to
The inlet/outlet pipe of liquid nitrogen is made to be arranged on safest position, when couveuse 3 is vehicle-mounted incubator, vaporizer 3301 is arranged on guarantor
Incubator 3 is on the side wall of headstock it is ensured that the inlet/outlet pipe of liquid nitrogen is hardly damaged.
Vaporizer 301 is the refrigerating device gasification liquid nitrogen heat absorption of the present embodiment, and vaporizer 301 surface is flow through in cooling
Air, realizes refrigeration, is installed in couveuse 3.Vaporizer 301 input connects low-temperature solenoid valve case 2 by pipeline.Outfan
The nitrogen that evaporation process generates is expelled to by outside by the gas exhaust piping 3011 with ft connection.
The position of blower fan 302 is corresponding with the position of vaporizer 301, for the heat in couveuse 3 is sucked vaporizer
Carry out heat exchange in 301, be installed on the side of vaporizer 301.
Further, described refrigerating device also includes: is arranged on temperature sensor 303 and the temperature control in couveuse 3
Device 304.
Temperature sensor 303 is installed in couveuse 3, for monitoring the temperature of couveuse 3, and is connected with temperature controller 304.
Temperature sensor 303 gathers the temperature signal in couveuse 3 in real time and sends to temperature controller 304.
Temperature controller 304 is installed in couveuse 3, for after receiving the temperature signal that temperature sensor 303 sends,
Adjust liquid nitrogen flow according to the electromagnetism valve events that this temperature signal controls described low-temperature solenoid valve case, and then adjust refrigeration temperature
Degree.
In this utility model embodiment, the pipeline connecting each several part is rustless steel pipeline, and caliber is true according to liquid nitrogen flow
Fixed, on pipeline, parcel sponge is thermally shielded, and can be effectively prevented pipeline frosting cold draining it is ensured that good refrigeration.
During refrigeration, liquid nitrogen fluid reservoir 1 carries out certainly being pressurized, after in tank, liquid nitrogen enters low-temperature solenoid valve case 2 by the road, by low temperature
After solenoid valve box 2 carries out flow-control, liquid nitrogen enters the interior gasification heat absorption of vaporizer 301 in couveuse 3, and vaporizer is flow through in cooling
The air on 301 surfaces, the air flowing through vaporizer 301 surface in couveuse 3 is also constantly cooled, thus reaching to air cooling-down
Purpose.In couveuse 3, air passes through the guiding of blower fan 302, after when flowing through vaporizer 301 surface, temperature is lowered, then is sent
Return in couveuse 3, such iterative cycles, reduce the purpose of air themperature in couveuse 3.Temperature sensing in couveuse 3
Device 303 monitoring temperature, and the temperature in couveuse 3 is controlled by temperature controller 304, temperature controller 304 receives and is derived from temperature sensor
Temperature signal, and by control low-temperature solenoid valve case in electromagnetic valve switch adjust couveuse 3 in temperature, thus realize adjust
The purpose of section cryogenic temperature.
As an optional embodiment, with reference to Fig. 1, described low-temperature solenoid valve case 2 specifically includes: the normally closed low temperature of heavy caliber
Electric solenoid valve v1, small-bore normally closed low temperature electric solenoid valve v2, heavy caliber normally opened low temperature electric solenoid valve v3, low temperature are electric manually
Magnet valve v4, relief valve s1；Described liquid nitrogen fluid reservoir 1 export respectively with described heavy caliber normally closed low temperature electric solenoid valve v1 and osculum
Footpath normally closed low temperature electric solenoid valve v2 connects, and the described normally closed low temperature electric solenoid valve v1 of heavy caliber and small-bore normally closed low temperature are electronic
Electromagnetic valve v2 outlet is connected with the normally opened low temperature electric solenoid valve v3 import of described heavy caliber, the normally opened low temp. electric galvanic electricity of described heavy caliber
Magnet valve v3 outlet is connected with the manual electromagnetic valve v4 import of described low temperature, the manual electromagnetic valve v4 outlet of described low temperature and described vaporizer
301 are connected；Described relief valve s1 is connected on the pipeline of described heavy caliber normally closed low temperature electric solenoid valve v1.
During work, in the couveuse 3 pre-cooling stage, small-bore normally closed low temperature electric solenoid valve v2 closes, and controller 7 is according to guarantor
The temperature value of incubator 3 temperature sensor 6 is compared with set temperature value, if temperature is higher than setting value in couveuse 3, opens big mouth
Footpath normally closed low temperature electric solenoid valve v1, exports big flow liquid nitrogen；If temperature is less than setting value in couveuse 3, close heavy caliber
Normally closed low temperature electric solenoid valve v1, no longer exports liquid nitrogen.In couveuse 3 haulage stage, heavy caliber normally closed low temperature electric solenoid valve
V1 closes, and controller 7 is compared with set temperature value according to the temperature value of couveuse 3 temperature sensor 6, if temperature in couveuse 3
Higher than setting value, then open small-bore normally closed low temperature electric solenoid valve v2, export low discharge liquid nitrogen；If temperature is low in couveuse 3
In setting value, then close small-bore normally closed low temperature electric solenoid valve v2, no longer export liquid nitrogen.Low temperature manual electromagnetic valve v4 is according to reality
Border process Non-follow control aperture regulation.
As seen from the above-described embodiment, refrigerating device of the present utility model, fast after liquid nitrogen supplies evaporator heat exchange
The quickly cooling but temperature in particular space, high cooling efficiency, cooling rate are fast, structure is simple, maintainability is good, and meet low-carbon environment-friendly
Requirement.
On the other hand, based on the refrigerating device described in previous embodiment, this utility model embodiment additionally provides one
Plant liquid nitrogen refrigerating method, comprise the following steps:
Liquid nitrogen fluid reservoir carries out certainly being pressurized so as to the liquid nitrogen of memory storage enters low-temperature solenoid valve case by the road；
Described low-temperature solenoid valve case is carried out after flow-control to liquid nitrogen, makes liquid nitrogen enter the evaporation in couveuse by the road
Device；
Described vaporizer makes liquid nitrogen heat absorption evaporation, reduces described vaporizer ambient air temperature, cools down in described couveuse
Flow through the air of described evaporator surface；The nitrogen that evaporation generates is expelled to outside via the gas exhaust piping of described vaporizer；
Blower fan work makes the air in described couveuse continuously across described vaporizer and persistently carries out heat exchange, realizes institute
State the refrigeration in couveuse and insulation.
It can be seen that, the liquid nitrogen refrigerating method of this utility model embodiment, quickly cool down after liquid nitrogen supplies evaporator heat exchange
Temperature in particular space, high cooling efficiency, cooling rate are fast, structure is simple, maintainability is good, and meet wanting of low-carbon environment-friendly
Ask.
In certain embodiments, methods described also includes the step adjusting cryogenic temperature, specifically includes:
The temperature value in couveuse described in temperature sensor Real-time Collection in described couveuse simultaneously sends to institute's temperature controller；
Described temperature controller controls described low-temperature solenoid valve case to adjust liquid nitrogen flow according to described temperature signal, and then adjusts system
Cold temperature.
In certain embodiments, when the low-temperature solenoid valve case in described refrigerating device has further included that heavy caliber is normal
Close low temperature electric solenoid valve, small-bore normally closed low temperature electric solenoid valve, heavy caliber normally opened low temperature electric solenoid valve, low temperature electric manually
When magnet valve, relief valve, methods described also includes the rate-determining steps for liquid nitrogen flow, specifically includes:
In the couveuse pre-cooling stage, small-bore normally closed low temperature electric solenoid valve is closed, and described temperature is passed by described temperature controller
The temperature signal of sensor is compared with set temperature value, if described temperature signal is more than set temperature value, opens heavy caliber normally closed
Low temperature electric solenoid valve, exports big flow liquid nitrogen；If described temperature signal is less than set temperature value, close heavy caliber normally closed low
Warm electric solenoid valve, no longer exports liquid nitrogen；
In the couveuse haulage stage, the normally closed low temperature electric solenoid valve of described heavy caliber is closed, and described temperature controller is by described temperature
The temperature signal of degree sensor is compared with set temperature value, and described temperature signal is more than set temperature value, then open described osculum
Footpath normally closed low temperature electric solenoid valve, exports low discharge liquid nitrogen；If described temperature signal is less than set temperature value, close described little
Bore normally closed low temperature electric solenoid valve, no longer exports liquid nitrogen.
According to real process, manually adjust the aperture of the manual electromagnetic valve of low temperature, to adjust liquid nitrogen flow, to control refrigeration temperature
Degree.
Those of ordinary skill in the art are it is understood that the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (inclusion claim) is limited to these examples；Under thinking of the present utility model, above reality
Apply and can also be combined between the technical characteristic in example or different embodiment, step can be realized with random order, and deposits
In many other changes of different aspect of the present utility model as above, in order to concisely they do not provide in details.
Embodiment of the present utility model is intended to fall into all such within the broad range of claims
Replace, change and modification.Therefore, all within spirit of the present utility model and principle, any omission of being made, modification, be equal to
Replace, improve etc., should be included within protection domain of the present utility model.
Claims (5)
1. a kind of refrigerating device is it is characterised in that include: for the liquid nitrogen fluid reservoir of storage conveying level pressure liquid nitrogen, is used for
Control low-temperature solenoid valve case, the couveuse for providing refrigerating space of liquid nitrogen flow；It is provided with steaming in described couveuse
Send out device and blower fan；It is sequentially connected with by pipeline between described liquid nitrogen fluid reservoir, low-temperature solenoid valve case, vaporizer；Described blower fan sets
Put in described vaporizer side；Described vaporizer also includes the gas exhaust piping with ft connection.
2. refrigerating device according to claim 1 is it is characterised in that be additionally provided with temperature sensing in described couveuse
Device and temperature controller；Described temperature sensor for the temperature signal in couveuse described in Real-time Collection and sends to described temperature control
Device, described temperature controller is used for controlling described low-temperature solenoid valve case to adjust liquid nitrogen flow according to described temperature signal.
3. refrigerating device according to claim 1 is it is characterised in that described vaporizer is arranged on described couveuse
On the wall of side.
4. refrigerating device according to claim 3 is it is characterised in that described couveuse is vehicle-mounted incubator, railway
Couveuse, insulated container；When described couveuse is vehicle-mounted incubator, described vaporizer is arranged on described couveuse near car
On the side wall of head.
5. refrigerating device according to claim 1 is it is characterised in that described low-temperature solenoid valve case includes: heavy caliber
Normally closed low temperature electric solenoid valve, small-bore normally closed low temperature electric solenoid valve, heavy caliber normally opened low temperature electric solenoid valve, low temperature are manual
Electromagnetic valve, relief valve；The outlet of described liquid nitrogen fluid reservoir respectively with described heavy caliber normally closed low temperature electric solenoid valve and small-bore often
Close low temperature electric solenoid valve to connect, the described normally closed low temperature electric solenoid valve of heavy caliber and small-bore normally closed low temperature electric solenoid valve go out
Mouthful be connected with the normally opened low temperature electric solenoid valve import of described heavy caliber, the normally opened low temperature electric solenoid valve of described heavy caliber exports and institute
State low temperature manual electromagnetic valve import to be connected, the manual electromagnetic valve outlet of described low temperature is connected with described vaporizer；Described relief valve string
It is associated on the pipeline of described heavy caliber normally closed low temperature electric solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620840015.3U CN205897645U (en) | 2016-08-04 | 2016-08-04 | Cold -stored refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620840015.3U CN205897645U (en) | 2016-08-04 | 2016-08-04 | Cold -stored refrigeration device |
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| Publication Number | Publication Date |
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| CN205897645U true CN205897645U (en) | 2017-01-18 |
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ID=57783670
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620840015.3U Active CN205897645U (en) | 2016-08-04 | 2016-08-04 | Cold -stored refrigeration device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196878A (en) * | 2016-08-04 | 2016-12-07 | 航天新长征电动汽车技术有限公司 | A kind of refrigerating device and liquid nitrogen refrigerating method thereof |
| CN108507249A (en) * | 2017-02-24 | 2018-09-07 | 进得展有限公司 | Refrigeration method, refrigeration device and temperature control module thereof |
| CN108770835A (en) * | 2018-07-23 | 2018-11-09 | 上海东富龙医疗装备有限公司 | Work chamber is automatically stored in biological sample |
| CN109140860A (en) * | 2018-09-09 | 2019-01-04 | 杭州紫明冷链科技有限责任公司 | A kind of quick-frozen refrigeration system of liquid nitrogen circulation |
| TWI667441B (en) * | 2017-11-07 | 2019-08-01 | 進得展有限公司 | Vehicle contains a cooling apparatus |
| JP2021099214A (en) * | 2019-12-20 | 2021-07-01 | 浙江大学舟山海洋研究中心Ｏｃｅａｎ Ｒｅｓｅａｒｃｈ Ｃｅｎｔｅｒ ｏｆ Ｚｈｏｕｓｈａｎ，Ｚｈｅｊｉａｎｇ Ｕｎｉｖｅｒｓｉｔｙ | High-precision control system and method for shipborne cryogenic flash freezing of aquatic product using liquid nitrogen |
-
2016
- 2016-08-04 CN CN201620840015.3U patent/CN205897645U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196878A (en) * | 2016-08-04 | 2016-12-07 | 航天新长征电动汽车技术有限公司 | A kind of refrigerating device and liquid nitrogen refrigerating method thereof |
| CN108507249A (en) * | 2017-02-24 | 2018-09-07 | 进得展有限公司 | Refrigeration method, refrigeration device and temperature control module thereof |
| TWI667441B (en) * | 2017-11-07 | 2019-08-01 | 進得展有限公司 | Vehicle contains a cooling apparatus |
| CN108770835A (en) * | 2018-07-23 | 2018-11-09 | 上海东富龙医疗装备有限公司 | Work chamber is automatically stored in biological sample |
| CN108770835B (en) * | 2018-07-23 | 2023-08-08 | 东富龙生命科技有限公司 | Automatic biological sample storage working cabin |
| CN109140860A (en) * | 2018-09-09 | 2019-01-04 | 杭州紫明冷链科技有限责任公司 | A kind of quick-frozen refrigeration system of liquid nitrogen circulation |
| JP2021099214A (en) * | 2019-12-20 | 2021-07-01 | 浙江大学舟山海洋研究中心Ｏｃｅａｎ Ｒｅｓｅａｒｃｈ Ｃｅｎｔｅｒ ｏｆ Ｚｈｏｕｓｈａｎ，Ｚｈｅｊｉａｎｇ Ｕｎｉｖｅｒｓｉｔｙ | High-precision control system and method for shipborne cryogenic flash freezing of aquatic product using liquid nitrogen |
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