CN204202279U - Freezer - Google Patents
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- CN204202279U CN204202279U CN201420673023.4U CN201420673023U CN204202279U CN 204202279 U CN204202279 U CN 204202279U CN 201420673023 U CN201420673023 U CN 201420673023U CN 204202279 U CN204202279 U CN 204202279U
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- temperature level
- freezer
- low
- level system
- refrigerating chamber
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Abstract
A kind of freezer, comprise freezer body, refrigeration unit, refrigeration unit comprises high-temperature level system, carries out the low-temperature level system of heat exchange with high-temperature level system, freezer body is container shape, freezer body comprises unit room for depositing refrigeration unit, for depositing the refrigerating chamber of goods, freezer body is provided with the unit room door for unit room of coming in and going out, freezer body is also provided with the refrigerating-chamber door for refrigerating chamber of coming in and going out, the refrigerant that low-temperature level system uses is carbon dioxide, and refrigeration unit also comprises for the reserved cooling system by intrasystem for low-temperature level refrigerant cooling.The freezer of container shape is easy to transport, eliminates the distance of managing place and Storage of Goods, saves logistics cost, can be food production, transport and sale enterprise and provides refrigeration or freezing low-temperature receiver.Adopt the low-temperature level system that carbon dioxide is refrigerant to provide low-temperature receiver for refrigerating chamber, by storehouse temperature drop to lower temperature, the demand that keeps in cold storage of article Keep the quality and freshness can be met at short notice.
Description
Technical field
the utility model relates to a kind of freezer.
Background technology
in prior art, current freezer major part, for the design of heavy construction class, according to corresponding demand, designs inner usable floor area and insulation construction, but is generally difficult to mobile after the completion of this freezer, can only pass through other logistics means transporting cargos.Be convenient to the general small volume of freezer that is mobile and transport, not unified standard.Common refrigeration class container is in storage and transport process, and due to long-distance transport, the article of storage are at transfer transport and be very easy in depositing rot or damage.
ammonia is as a kind of cold-producing medium relative to the environmental protection more of freon class, although use more in freezer, its poor stability, the speciality such as inflammable and explosive become a unavoidable major defect in super low temperature refrigeration system the process of the popularization.
Utility model content
the technical problems to be solved in the utility model is to provide a kind of freezer.
in order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of freezer, comprise freezer body, refrigeration unit, described refrigeration unit comprises high-temperature level system, the low-temperature level system of heat exchange is carried out with described high-temperature level system, described freezer body is container shape, described freezer body comprises the unit room for depositing refrigeration unit, for depositing the refrigerating chamber of goods, described freezer body is provided with the unit room door for the unit room described in discrepancy, described freezer body is also provided with the refrigerating-chamber door for the refrigerating chamber described in discrepancy, the refrigerant that described low-temperature level system uses is carbon dioxide, described refrigeration unit also comprises for the reserved cooling system by intrasystem for described low-temperature level refrigerant cooling.
in some embodiments, deflector is provided with in described refrigerating chamber, described refrigerating chamber is put into the storing bin being positioned at below and the return air chamber being positioned at top by described deflector, and described storing bin and described return air chamber form airflow circulating passage, be provided with air-cooler in described refrigerating chamber, the cold wind of described air-cooler blowout can at airflow circulating passage Inner eycle.
in some further embodiment, described air cooler position is in the side of described storing bin, and close dividing plate between described refrigerating chamber and described unit room.
in some embodiments, described freezer also comprises solar panels and/or the ups power that described reserved cooling system can be made to obtain electric running.
in some embodiments, be connected with the fluid reservoir for storing refrigerant in described low-temperature level system, be provided with the evaporation coil for lowering the temperature to refrigerant in described fluid reservoir, described evaporation coil is connected in described reserved cooling system.
in some further embodiment, described evaporation coil has many groups, and is connected in parallel with one another on described fluid reservoir body.
in some further embodiment, often organize described evaporation coil and there is evaporation coil outlet, evaporation coil import, described evaporation coil outlet, evaporation coil import are respectively arranged with stop valve, and each described stop valve is positioned at outer and independent control of described liquid storage cylinder and starts and close.
in some further embodiment, described refrigeration unit also comprises cyclelog, described low-temperature level system is provided with the pressure sensor for detecting pressure condition in described low-temperature level system, described pressure sensor is connected with described cyclelog respectively with described reserved cooling system.
in some further embodiment, described fluid reservoir body is provided with safety valve.
scope of the present utility model, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously and be undertaken being combined by above-mentioned technical characteristic or its equivalent feature and other technical scheme of being formed.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the utility model compared with prior art has following advantages: the freezer of container shape is easy to transport, eliminate the distance of managing place and Storage of Goods, save logistics cost, can be food production, transport and sale enterprise and refrigeration or freezing low-temperature receiver are provided.And carbon dioxide is as a kind of natural refrigerating working medium, have the unrivaled advantage of other freon refrigerants: environmental protection and economy, nontoxic, safety and stability, the coefficient of heat transfer is large, and thermal conductivity factor is high, has significant energy-conserving and environment-protective advantage.Adopt the low-temperature level system that carbon dioxide is refrigerant to provide low-temperature receiver for refrigerating chamber, by storehouse temperature drop to lower temperature (-40 DEG C), the ultra-low temperature surroundings that common refrigeration system cannot realize can be reached, meet the demand that keeps in cold storage of article Keep the quality and freshness at short notice.
Accompanying drawing explanation
accompanying drawing 1 is freezer appearance schematic diagram;
accompanying drawing 2 is cool house internal structural representation;
accompanying drawing 3 is the system schematic of refrigeration unit;
accompanying drawing 4 is the structural representation of fluid reservoir;
wherein: 1, freezer body; 2, unit room door; 3, refrigerating-chamber door; 4, air-cooler; 5, air-return duct; 6, deflector; 7, refrigeration unit; 8, goods; 9, unit room; 10, refrigerating chamber; 11, heat-insulation layer; 12, solar panels; 13, battery; 14, ups power; 15, high-temperature level compressor; 16, high-temperature level oil eliminator; 17, condenser; 18, reservoir; 19, high-temperature level expansion valve; 20, high-temperature level gas-liquid separator; 21, low-temperature level compressor; 22, low-temperature level oil eliminator; 23, evaporative condenser; 24, low-temperature level expansion valve; 25, expansion valve for subsequent use; 26, cushion gas liquid/gas separator; 27, stand-by compressor; 28, condenser for subsequent use; 30, fluid reservoir; 31, refrigerant inlet; 32, refrigerant exit; 33, evaporation coil; 34, stop valve; 35, liquid storage cylinder; E1, evaporation coil export; E2, evaporation coil import.
Detailed description of the invention
as shown in accompanying drawing 1,2, a kind of freezer, comprises freezer body 1, refrigeration unit 7, and refrigeration unit 7 comprises high-temperature level system, carries out the low-temperature level system of heat exchange with high-temperature level system.
freezer body 1 is in container shape, and about size, can be standard-sized container, also can be the container of specific customization size.Freezer body 1 comprises unit room 9 for depositing refrigeration unit 7, for depositing the refrigerating chamber 10 of goods 8, freezer body 1 is provided with for the unit room door 2 of unit room 9 of coming in and going out and the refrigerating-chamber door 3 for refrigerating chamber 10 of coming in and going out.The inwall of refrigerating chamber 10 comprises refrigerating-chamber door 3 all has heat-insulation layer 11 heat insulation cold.
during use, only need, using scene only to need to support the construction of terrace and provide power supply, freezer to be transported to place to use, to switch on power and can use.
the refrigerant that low-temperature level system uses is carbon dioxide, and in order to make freezer under power-off not working condition, still pressure balance in low-temperature level system, refrigeration unit 7 also comprises for the reserved cooling system by intrasystem for low-temperature level refrigerant cooling.Freezer also comprises solar panels 12 and the ups power 14 that reserved cooling system can be made to obtain electric running.Solar panels 12 are arranged at the top of freezer body 1, and have corresponding battery 13, and battery 13 is arranged in unit room 9, for refrigeration unit 7 provides auxiliary power supply.In container refrigeration room 10 in transit for refrigeration unit is powered, ensure the refrigeration performance of unit, simultaneously for some special circumstances, such as have a power failure, power-off lamp situation, switch to sun-generated electric power to system power supply, safeguards system is normally run.Solar energy auxiliary power supply, energy-conserving and environment-protective, adopt environmental protection simultaneously, nontoxic, efficient carbon dioxide make cold-producing medium, have the characteristic of energy-conservation, material-saving, economy and environmental protection significantly.The electricity consumption of reserved cooling system preferentially uses solar energy, for some special circumstances, such as, has a power failure, and power-off lamp situation, switches to UPS and power to reserved cooling system, and double shield security of system is reliable.
be provided with deflector 6 in refrigerating chamber 10, refrigerating chamber 10 is put into the storing bin being positioned at below and the return air chamber being positioned at top by deflector 6, and storing bin and return air chamber form airflow circulating passage.Be provided with air-cooler 4 in refrigerating chamber 10, the cold wind that air-cooler 4 blows out can at airflow circulating passage Inner eycle.Deflector 6 one end is connected with air-cooler 4, and is parallel to refrigerating chamber 10 bottom surface, is close to the side plate of the relative both sides of refrigerating chamber 10.
air-cooler 4 is positioned at the side of storing bin, and near the dividing plate between refrigerating chamber 10 and unit room 9, and both persons have certain distance, facilitate return air.Air-cooler 4 is connected through the perforate on dividing plate by copper pipe with the refrigeration unit 7 of unit room 9.
when refrigerating chamber 10 needs refrigeration unit 7 to provide low-temperature receiver, air-cooler 4 is blown a cold wind over to refrigerating-chamber door 3 direction, the storing bin of cold wind successively under deflector 6, arrive refrigerating-chamber door 3, the gap after being obstructed between deflector 6 and refrigerating-chamber door 3 is upwards run, arrive the return air chamber on deflector 6, run towards air-cooler 4 direction in return air chamber, through the gap of air-cooler 4 with dividing plate after arrival refrigerating chamber 10 dividing plate is obstructed, due to the running of air-cooler 4 fan, get back to air-cooler 4, complete a circulation.Circulated by cold wind not stopping in refrigerating chamber 10, the article temperature deposited in refrigerating chamber 10 will constantly decline, after finally reaching ownership goal design temperature, and system autostop.
as shown in Figure 3, high-temperature level system is group common structure, the blast pipe of high-temperature level compressor 15 connects corresponding high-temperature level oil eliminator 16, the oil-out of high-temperature level oil eliminator 16 connects high-temperature level compressor 15 crankcase, the refrigerant outlet of high-temperature level oil eliminator 16 connects the entrance of high-temperature level condenser 17, the outlet of high-temperature level condenser 17 connects the entrance of high-temperature level fluid reservoir 18, and the outlet of high-temperature level fluid reservoir 18 is successively through the evaporation ends entrance of high-temperature level expansion valve 29 and evaporative condenser 23; Cold-producing medium is exported the entrance entering high-temperature level gas-liquid separator 20 by evaporative condenser 23 evaporation ends, return high-temperature level compressor 15 by being exported by high-temperature level gas-liquid separator 20.
low-temperature level system is except the fluid reservoir 30 of serial connection, and other is also common system architecture.As shown in accompanying drawing 2,3, the blast pipe of low-temperature level compressor 21 connects corresponding low-temperature level oil eliminator 22, the oil-out of low-temperature level oil eliminator 22 connects low-temperature level compressor 21 crankcase, and the refrigerant outlet of low-temperature level oil eliminator 22 connects the condensation end entrance of evaporative condenser 23; Cold-producing medium is exported the refrigerant inlet 31 entering fluid reservoir 30 by evaporative condenser 23 condensation end, via fluid reservoir 30 refrigerant exit 32, successively through low-temperature level expansion valve 25, as shown in accompanying drawing 1,2, enter refrigerating chamber 10, air-cooler 4 absorbs heat, and air-cooler 4 provides low-temperature receiver for refrigerating chamber 10, returns low-temperature level compressor 21 afterwards.
as shown in Figure 4, be provided with the evaporation coil 33 for lowering the temperature to refrigerant in fluid reservoir 30, evaporation coil 33 is connected in reserved cooling system.
evaporation coil 33 has many groups, and is connected in parallel with one another on fluid reservoir body.The crushing brought because pipeline is long can be reduced, improve the runnability of unit.Often organize evaporation coil 33 and have evaporation coil outlet e1, evaporation coil import e2, evaporation coil outlet e1, evaporation coil import e2 are respectively arranged with stop valve 34, each stop valve 34 is positioned at outer and independent control of liquid storage cylinder 35 and starts and close.Independently can control the stop valve 34 on each group of evaporation coil 33 according to running operating mode, close or open each corresponding evaporation coil 33, promote unit and normally work.When discovery one group of evaporation coil 33 is too small, second group can be opened, even the 3rd group, guarantee reserved cooling system safe and reliable operation.
often organizing described evaporation coil 33 is positioned in liquid storage cylinder 35 by support member, and often organizing evaporation coil 33 is arranged on the tank skin of fluid reservoir 30 body respectively by evaporation coil outlet e1 and evaporation coil import e2, evaporation coil exports e1 and evaporation coil import e2 respectively and seal between tank skin by seal cartridge and arrange.Fluid reservoir 30 body is provided with safety valve.Safety valve is mechanical safety valve or relief valve; When in low-temperature level system, pressure is too high, and reserved cooling system cannot run due to outside cause, cannot reduce warm level system pressure; And low-temperature level system pressure is when reaching certain value, safety valve or relief valve will be opened, the safety of safeguards system parts.Fluid reservoir 30 body is also provided with the liquid-sighting glass for observing carbon dioxide refrigerant in liquid storage cylinder 35.
the feature of reserved cooling system is: the blast pipe of stand-by compressor 27 connects the entrance of condenser 28 for subsequent use, the outlet of condenser 28 for subsequent use accesses the entrance of expansion valve 25 for subsequent use, evaporation coil import e2 in access fluid reservoir 30, evaporate after carbon dioxide heat exchange in refrigerant in evaporation coil 33 and fluid reservoir 30, evaporation coil outlet e1 exports and enters cushion gas liquid/gas separator 26, returns stand-by compressor 27.
reserved cooling system and safety valve are all for reducing system pressure, safeguards system piece safety, for the safety and reliability of system provides double shield.
refrigeration unit 7 also comprises cyclelog, and low-temperature level system is provided with the pressure sensor for detecting pressure condition in low-temperature level system, pressure sensor is connected with cyclelog respectively with described reserved cooling system.
cyclelog usually can also be used for controlling respectively high-temperature level system and low-temperature level system starts and closes.Pressure sensor detects the pressure condition of carbon dioxide refrigerant in low-temperature level system; control the startup of reserved cooling system; the cooling of the carbon dioxide refrigerant in fluid reservoir 30 is given by evaporation coil 33; guarantee that carbon dioxide system internal pressure remains in controlled range; cause low-temperature level intrasystem hypertonia when preventing unit from shutting down for a long time, reduce the reliability and security of unit.
when refrigeration unit 7 is started shooting, high-temperature level system, low-temperature level system and reserved cooling system independently run.When cyclelog detects start-up command, control high-temperature level system, low-temperature level system opens successively, space to be cooled reaches user's setting when requiring, cyclelog controls low-temperature level system and high-temperature level system is closed successively.When but if low-temperature level system is shut down for a long time; owing to filling carbon dioxide coolant in low-temperature level system; internal system constantly absorbs external environment heat; temperature is more and more higher; pressure increases, and when internal system pressure reaches system design temperature, just there is potential safety hazard; for this reason, reserved cooling system is equipped with.When detecting that low-temperature level internal system pressure reaches a certain value, reserved cooling system opened by cyclelog, make the carbon dioxide decrease temperature and pressure in fluid reservoir 30, low-temperature level system decrease temperature and pressure, until internal pressure closes reserved cooling system lower than controlling during a certain value.
low-temperature level system also comprises solar panels 12 and/or ups power 14, makes reserved cooling system obtain electric running.Owing to constantly will detect low-temperature level internal system pressure when shutting down, this will just need reserved cooling system to guarantee to be energized always.For this reason; solar panels 12 and ups power 14 can be used; after reserved cooling system power-off being detected; be switched to solar panels 12 in time to power; if when encountering rainy weather or sunlight deficiency in winter, not in time solar powered, automatically switch to ups power 14 and power; multiple protective, can promote the security performance of unit further.
as mentioned above, we are illustrated according to aim of the present utility model completely, but the utility model is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present utility model.As simplified or equivalence replacement system architecture according to the actual temperature scope of refrigerating chamber 10.Can according to the actual demand of Storage of Goods, to the structure of refrigerating chamber in container 10 with the form structure of unit room simplifies or equivalence is replaced.
Claims (9)
1.
a kind of freezer, comprise freezer body (1), refrigeration unit (7), described refrigeration unit (7) comprises high-temperature level system, the low-temperature level system of heat exchange is carried out with described high-temperature level system, it is characterized in that: described freezer body (1) is in container shape, described freezer body (1) comprises the unit room (9) for depositing refrigeration unit (7), for depositing the refrigerating chamber (10) of goods (8), described freezer body (1) is provided with unit room door (2) for the unit room (9) described in discrepancy, described freezer body (1) is also provided with the refrigerating-chamber door (3) for the refrigerating chamber (10) described in discrepancy, the refrigerant that described low-temperature level system uses is carbon dioxide, described refrigeration unit (7) also comprises for the reserved cooling system by intrasystem for described low-temperature level refrigerant cooling.
2.
freezer according to claim 1, it is characterized in that: in described refrigerating chamber (10), be provided with deflector (6), described refrigerating chamber (10) is put into the storing bin being positioned at below and the return air chamber being positioned at top by described deflector (6), and described storing bin and described return air chamber form airflow circulating passage, be provided with air-cooler (4) in described refrigerating chamber (10), the cold wind that described air-cooler (4) blows out can at airflow circulating passage Inner eycle.
3.
freezer according to claim 2, is characterized in that: described air-cooler (4) is positioned at the side of described storing bin, and near the dividing plate between described refrigerating chamber (10) and described unit room (9).
4.
freezer according to claim 1, is characterized in that: described freezer also comprises solar panels (12) and/or the ups power (14) that described reserved cooling system can be made to obtain electric running.
5.
freezer according to claim 1, it is characterized in that: in described low-temperature level system, be connected with the fluid reservoir for storing refrigerant, be provided with the evaporation coil (33) for lowering the temperature to refrigerant in described fluid reservoir, described evaporation coil (33) is connected in described reserved cooling system.
6.
freezer according to claim 5, is characterized in that: described evaporation coil (33) has many groups, and is connected in parallel with one another on described fluid reservoir body.
7.
freezer according to claim 5, it is characterized in that: often organize described evaporation coil (33) and there is evaporation coil outlet (e1), evaporation coil import (e2), described evaporation coil outlet (e1), evaporation coil import (e2) are respectively arranged with stop valve (34), each described stop valve (34) be positioned at described liquid storage cylinder (35) outward and independent control start and close.
8.
freezer according to claim 5, it is characterized in that: described refrigeration unit (7) also comprises cyclelog, described low-temperature level system is provided with the pressure sensor for detecting pressure condition in described low-temperature level system, described pressure sensor is connected with described cyclelog respectively with described reserved cooling system.
9.
freezer according to claim 5, is characterized in that: described fluid reservoir body is provided with safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673023.4U CN204202279U (en) | 2014-11-12 | 2014-11-12 | Freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673023.4U CN204202279U (en) | 2014-11-12 | 2014-11-12 | Freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204202279U true CN204202279U (en) | 2015-03-11 |
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ID=52660228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420673023.4U Expired - Fee Related CN204202279U (en) | 2014-11-12 | 2014-11-12 | Freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204202279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329860A (en) * | 2014-11-12 | 2015-02-04 | 江苏苏净集团有限公司 | Freezer |
| CN109163493A (en) * | 2018-10-11 | 2019-01-08 | 武汉巨力鼎兴冷链股份有限公司 | A kind of on-ground weigher uses the hydronic high/low temperature freezer of propylene glycol |
-
2014
- 2014-11-12 CN CN201420673023.4U patent/CN204202279U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329860A (en) * | 2014-11-12 | 2015-02-04 | 江苏苏净集团有限公司 | Freezer |
| CN109163493A (en) * | 2018-10-11 | 2019-01-08 | 武汉巨力鼎兴冷链股份有限公司 | A kind of on-ground weigher uses the hydronic high/low temperature freezer of propylene glycol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20211112 |