CN107270615A - The refrigeration plant of single refrigeration system multi-temperature zone - Google Patents
The refrigeration plant of single refrigeration system multi-temperature zone Download PDFInfo
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- CN107270615A CN107270615A CN201710448397.4A CN201710448397A CN107270615A CN 107270615 A CN107270615 A CN 107270615A CN 201710448397 A CN201710448397 A CN 201710448397A CN 107270615 A CN107270615 A CN 107270615A
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- compartment
- air
- temperature
- cover board
- duct cover
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/02—Refrigerators including a heater
Abstract
The invention discloses a kind of refrigeration plant of single refrigeration system multi-temperature zone.The refrigeration plant includes：There is the first compartment and second compartment, the design temperature of the first compartment is less than the design temperature of second compartment in casing, the casing；Demarcation strip, the demarcation strip is arranged in the casing and separates first compartment and the second compartment；Refrigeration system, the refrigeration system includes compressor, condenser, evaporator, and the evaporator is arranged to provide cold to first compartment in air-cooled mode；Wind EGR, the wind EGR is arranged on the demarcation strip, and the wind EGR is arranged for indoor wind between described first being delivered in the second compartment.According to the refrigeration plant of single refrigeration system multi-temperature zone of the present invention, using a set of refrigeration system, it is ensured that the first compartment is different with the temperature of second compartment, meets the different demands of user, the quantity of refrigeration system is saved simultaneously, is advantageously reduced cost, is reduced energy consumption.
Description
Technical field
The present invention relates to art of refrigeration units, in particular to a kind of refrigeration plant of single refrigeration system multi-temperature zone.
Background technology
For most of dual temperature refrigeration plants of in the market, two sets of refrigeration systems are respectively provided with, product cost is higher, raw
Produce complex procedures.
Further, since two sets of evaporators are in parallel, there is a situation where that shunting is uneven in refrigeration system, the flow of two capillaries
Match relative difficulty.Particularly when two warm area load differences are larger, become apparent.Because shunting inequality is easy between one
Room temperature is up to standard, and the situation that the coolant quantity that another compartment is flowed into especially freezes less and hardly, and due to compressor
Operating simultaneously take into account two compartments, only when two compartment temperatures simultaneously reach setting value when just shut down, so compressor fortune
Rate of rotation is relatively large.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem of the prior art to a certain extent.Therefore, this hair
It is bright to propose a kind of refrigeration plant of single refrigeration system multi-temperature zone, use a set of refrigeration system just to cause temperature indoor between two not
Together.
The refrigeration plant of single refrigeration system multi-temperature zone according to embodiments of the present invention includes：Have in casing, the casing
First compartment and second compartment, the design temperature of first compartment are less than the design temperature of the second compartment；Demarcation strip, institute
Demarcation strip is stated to be arranged in the casing and separate first compartment and the second compartment；Refrigeration system, the system
Cooling system includes compressor, condenser, evaporator, and the evaporator is arranged to provide to first compartment in air-cooled mode
Cold；Wind EGR, the wind EGR is arranged on the demarcation strip, and the wind EGR is arranged for institute
Wind indoor between first is stated to be delivered in the second compartment.
The temperature of the refrigeration plant of single refrigeration system multi-temperature zone according to embodiments of the present invention, the first compartment and second compartment
Difference, meets the different demands of user, while saving the quantity of refrigeration system, advantageously reduces cost, reduces energy consumption.
According to some embodiments of the present invention, it is provided with the casing for opening or closing first compartment, institute
The door body of second compartment is stated, the door body is opened with the divider plate connects first compartment and described second to limit
The air -return duct of compartment.
According to some embodiments of the present invention, the refrigeration plant of single refrigeration system multi-temperature zone also includes：For to institute
State the temperature-compensating part that second compartment provides temperature-compensating.
Alternatively, the temperature-compensating part is electric heating part.
Further, the electric heating part is arranged on the internal face of the second compartment.
According to some embodiments of the present invention, the rear wall of the second compartment is second compartment air duct cover board, described the
The rear side of two compartment air duct cover boards is that compensation air outlet is provided with the second air channel, the second compartment air duct cover board and is compensated back
Air port, the compensation air outlet and the compensation return air inlet are connected with the second compartment.
The temperature-compensating part includes：Electric heating part, the electric heating part is arranged on the second compartment air duct cover board
Afterwards on surface；And temperature-compensating air-supply part, temperature-compensating air-supply part is arranged on after the second compartment air duct cover board
On surface, and the temperature-compensating air-supply part be arranged for by wind from it is described compensation return air inlet suction and with the electric heating part
Sent out after heat exchange from the compensation air outlet.
Further, the refrigeration plant of single refrigeration system multi-temperature zone also includes：Housing, the housing is fixed on described
On the rear surface of second compartment air duct cover board and with the second compartment air duct cover board formation closing space, the electric heating part and
The temperature-compensating air-supply part is arranged in the closing space, and the closing space compensates air outlet and described by described
Compensation air outlet is connected with the second compartment.
According to some embodiments of the present invention, the refrigeration system also includes system air-supply arrangement, first compartment
Rear wall is the first compartment air duct cover board, and the rear wall of the second compartment is second compartment air duct cover board, first compartment
The rear side of air duct cover board is the first air channel, and the evaporator is arranged in first air channel, the first compartment air duct cover board
On be provided with top supplying air mouthful and bottom return air inlet, the system air-supply arrangement is arranged on after the first compartment air duct cover board
On surface and at the top supplying air mouthful.
Further, the rear side of the second compartment air duct cover board is to be formed with separation in the second air channel, the demarcation strip
Plate air channel, the demarcation strip air channel is connected with second air channel and first compartment, and the wind EGR is built in institute
State inside demarcation strip.
Alternatively, the first compartment air duct cover board and the second compartment air duct cover board are into a single integrated structure.
Brief description of the drawings
Fig. 1 is the side schematic view of the refrigeration plant of single refrigeration system multi-temperature zone of one embodiment；
Fig. 2 is the front schematic view of the refrigeration plant of single refrigeration system multi-temperature zone of one embodiment；
Fig. 3 is the side schematic view of the refrigeration plant of single refrigeration system multi-temperature zone of second embodiment；
Fig. 4 is the front schematic view of the refrigeration plant of single refrigeration system multi-temperature zone of second embodiment.
Reference：
Refrigeration plant 100, casing 1, the first compartment 11, the first compartment air duct cover board 111, the first air channel 112, top supplying air
Mouthfuls 113, bottom return air inlet 114, second compartment 12, second compartment air duct cover board 121, the second air channel 122, compensation air outlet 123,
Compensate return air inlet 124, second compartment air outlet 125, demarcation strip 2, evaporator 3, wind EGR 4, door body 5, air -return duct 6, temperature
Spend compensating part 7, electric heating part 71, temperature-compensating air-supply part 72, system air-supply arrangement 8, demarcation strip air channel 9.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate with one another；Can be joined directly together, can also be indirectly connected to by intermediary, can
To be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The refrigeration plant of single refrigeration system multi-temperature zone according to embodiments of the present invention is described in detail with reference to Fig. 1-Fig. 4
100。
Shown in reference picture 1, Fig. 3, the refrigeration plant 100 of single refrigeration system multi-temperature zone according to embodiments of the present invention can be wrapped
Include casing 1, demarcation strip 2, refrigeration system and wind EGR 4.
There is the first compartment 11 and second compartment 12, the design temperature of the first compartment 11 is less than second compartment 12 in casing 1
Design temperature.
Demarcation strip 2 is arranged in casing 1, and demarcation strip 2 separates the first compartment 11 and second compartment 12, thus, no
Same article can be individually positioned in the first compartment 11 and second compartment 12, realize the function division in casing 1.
Further, refrigeration system can include compressor, condenser and evaporator 3, and evaporator 3 is arranged to air-cooled
Mode provides cold to the first compartment 11, thus reduces the temperature in the first compartment 11.
Wind EGR 4 is arranged on demarcation strip 2, and wind EGR 4 is arranged for the wind in the first compartment 11 is defeated
Deliver in second compartment 12.Specifically, the cold wind in the first compartment 11 can be delivered to second compartment 12 by wind EGR 4
It is interior, so as to reduce the temperature in second compartment 12.Simultaneously because the cold wind of second compartment 12 comes from the first compartment 11, therefore second
The temperature of compartment 12 be higher than the first compartment 11 temperature, and only need to a set of refrigeration system just can meet two between it is indoor
Difference refrigeration is required, so as to be conducive to cost-effective, reduction energy consumption.Meanwhile, the control circuit of a set of refrigeration system is simple, favorably
In the fault rate of reduction refrigeration plant 100, so as to improve the functional reliability of refrigeration plant 100.
Further, the temperature of the first compartment 11 and second compartment 12 can be adjusted individually, so as to meet user not
Same demand.
For example, for example the temperature regulating range in the first compartment 11 can be 5 DEG C -12 DEG C, in second compartment 12
Temperature regulating range can be 12 DEG C -18 DEG C, and the temperature in second compartment 12 is higher than the temperature in the first compartment 11.Specific real
Apply in example, the temperature regulating range in the first compartment 11 and second compartment 12 can also be other number ranges.
The relatively low food of storage temperature can be placed in the first compartment 11 by user, and the higher food of storage temperature is placed on
In second compartment 12, the storage requirement of different foods is thus met.Certainly, that is deposited in refrigeration plant 100 is not limited to food,
It can also be other things for requiring storage temperature such as article, wine.
For example in a particular embodiment, refrigeration plant 100 can be wine cabinet, by taking grape wine as an example, and different grape wine have
Different optimal storage temperature, the optimal storage temperature of such as white wine at 8 DEG C -10 DEG C, red wine then 17 DEG C -19 DEG C it
Between store optimal, therefore white wine can be stored in the first compartment 11 by user, and red wine is stored in into second compartment
In 12, so as to meet the storage condition of different category grape wine, be conducive to improving Consumer's Experience.
In some optional embodiments, refrigeration plant 100 can also be two-storage temperature refrigerator.
Solid arrow in Fig. 1, Fig. 3 in the first compartment 11 represents the air circulation in the first compartment 11, second compartment 12
The overstriking solid arrow that interior dotted arrow is represented in the air circulation in second compartment 12, second compartment 12 represents second compartment
Hot-air circulation in 12.
The refrigeration plant 100 of single refrigeration system multi-temperature zone according to embodiments of the present invention, using a set of refrigeration system, it is ensured that
First compartment 11 is with the temperature of second compartment 12 different, so that the different demands of user are met, while saving refrigeration system
The quantity of system, advantageously reduces cost, reduces energy consumption.
In Fig. 2, Fig. 4 specific example, it is provided with casing 1 for opening or closing the first compartment 11, second compartment
12 door body 5, door body 5 is spaced apart with demarcation strip 2, limits air -return duct 6 between door body 5 and demarcation strip 2, the connection of air -return duct 6 the
One compartment 11 and second compartment 12, the hot-air in second compartment 12 is transmitted to the first compartment 11.
The opening of wind EGR 4 and closing, are controlled by the temperature sensor in second compartment 12, when second compartment 12
When actual temperature reaches setting value, wind EGR 4 is stopped.
In some embodiments of the invention, the refrigeration plant 100 of single refrigeration system multi-temperature zone can also include temperature benefit
Part 7 is repaid, temperature-compensating part 7 is used to provide temperature-compensating to second compartment 12.When the actual temperature in second compartment 12 is too low or
Actual temperature in person's second compartment 12 is relatively low and when being less than setting value certain limit, second compartment 12 is unable to reach by refrigeration to be set
Definite value, now, wind EGR 4 are stopped, and the cold air of the first compartment 11 no longer is delivered into second compartment 12, meanwhile,
Temperature-compensating part 7 is started working, and second compartment 12 is entered back into after the cold air brought from the first compartment 11 is heated, so as to play
The effect of the low temperature of second compartment 12 is compensated, in order to make the temperature in second compartment 12 reach setting value.
In one embodiment shown in Fig. 1-Fig. 2, temperature-compensating part 7 is electric heating part, and electric heating part is only the
Actual temperature in two compartments 12 is just opened in the case of being less than setting value, and the opening of electric heating part is with closing by second compartment
Temperature sensor control in 12.Further, electric heating part is arranged on the internal face of second compartment 12, as shown in Figure 1.
In second embodiment shown in Fig. 3-Fig. 4, the rear wall of second compartment 12 is second compartment air duct cover board
121, the rear side of second compartment air duct cover board 121 is to be provided with compensation on the second air channel 122, second compartment air duct cover board 121 to send
Air port 123 and compensation return air inlet 124, compensation air outlet 123 and compensation return air inlet 124 are connected with second compartment 12, in order to right
The air of second compartment 12 is heated.
In the specific embodiment shown in Fig. 3, temperature-compensating part 7 can include electric heating part 71 and temperature-compensating is blown
Part 72, electric heating part 71 is arranged on the rear surface of second compartment air duct cover board 121, and temperature-compensating air-supply part 72 is arranged on second
On the rear surface of compartment air duct cover board 121, and temperature-compensating air-supply part 72 can by the wind in second compartment 12 from compensation return air
Mouthfuls 124 are sucked, and this part wind turns into hot blast after being exchanged heat with electric heating part 71, and this part hot blast is sent out from compensation air outlet 123 again,
To improve the temperature in second compartment 12, the temperature in second compartment 12 is set to reach setting value.
Similarly, the actual temperature only in second compartment 12 is less than in the case of setting value, and electric heating part 71 just works,
But temperature-compensating air-supply part 72 can work at any time, to accelerate the air flow in second compartment 12, so as to improve second compartment
The uniformity of temperature in 12.
Further, the refrigeration plant 100 of single refrigeration system multi-temperature zone can also include housing (not shown), housing
It is fixed on the rear surface of second compartment air duct cover board 121, and closing is formed between housing and second compartment air duct cover board 121
Space, electric heating part 71 and temperature-compensating air-supply part 72 are arranged in the closing space, and the closing space is blown by compensating
Mouth 123 and compensation air outlet are connected with second compartment 12.
Shown in reference picture 1, Fig. 3, refrigeration system also includes system air-supply arrangement 8, and the rear wall of the first compartment 11 is first
Compartment air duct cover board 111, the rear wall of second compartment 12 is second compartment air duct cover board 121, the first compartment air duct cover board 111
Rear side is the first air channel 112, and evaporator 3 is arranged in the first air channel 112, and top is provided with the first compartment air duct cover board 111
Air outlet 113 and bottom return air inlet 114, system air-supply arrangement 8 are arranged on the rear surface of the first compartment air duct cover board 111, and
System air-supply arrangement 8 is located at top supplying air mouthful 113, thus, when system air-supply arrangement 8 works, can be by cold air through top
Portion's air outlet 113 is fed directly in the first compartment 11, so as to reduce the loss of cold air.
Further, the rear side of second compartment air duct cover board 121 is to be formed with demarcation strip in the second air channel 122, demarcation strip 2
Air channel 9, demarcation strip air channel 9 is connected with the second air channel 122 and the first compartment 11, and wind EGR 4 is built in inside demarcation strip 2.
Alternatively, the first compartment air duct cover board 111 is structure as a whole with second compartment air duct cover board 121.It is optional at some
Embodiment in, the first compartment air duct cover board 111 and second compartment air duct cover board 121 can also be separated two zero
Part.
Illustrate the course of work of refrigeration plant 100 in first embodiment of the invention with reference to Fig. 1-Fig. 2.
After refrigeration plant 100 is powered, compressor operating starts kind of refrigeration cycle, and now the first compartment 11 is synchronous starts working,
System air-supply arrangement 8 inhales the hot-air in the first compartment 11 from the bottom return air inlet 114 on the first compartment air duct cover board 111
Enter, this part hot-air passes through evaporator 3, the hot-air and evaporator 3 for flowing through evaporator 3 are exchanged heat, form cold air, and
Top supplying air mouthful 113 on the first compartment air duct cover board 111 is blown out, and cold air passes through free convection in the first compartment 11,
After the hot-air heat exchange in the first compartment 11, the bottom return air inlet 114 entered back on the first compartment air duct cover board 111, so
Circulation so that the temperature in the first compartment 11 reaches setting refrigeration.
The unlatching and stopping of compressor are by the temperature control in the first compartment 11, when the actual temperature in the first compartment 11 is high
When setting value, compressor operating, after the actual temperature in the first compartment 11 reaches setting value, compressor is stopped.
While first compartment 11 starts the cycle over refrigeration, the wind EGR 4 being arranged on demarcation strip 2 is started working, will
The cold air suction demarcation strip air channel 9 of first compartment 11, by the flowing in demarcation strip air channel 9, the second air channel 122, between second
Second compartment air outlet 125 on room air duct cover board 121 is blown out.The cold air that first compartment 11 is brought enters second compartment 12,
After the hot-air heat exchange in free convection, with second compartment 12, the air -return duct 6 between door body 5 and demarcation strip 2 enters the
After cold air heat exchange in one compartment 11, with the first compartment 11, second compartment 12 is sucked by wind EGR 4 again, so
Circulation, makes second compartment 12 reach setting refrigeration.
When the actual temperature in second compartment 12 is less than setting value certain limit, second compartment 12 is unable to reach by refrigeration
Setting value, now, wind EGR 4 are stopped, meanwhile, temperature-compensating part 7 is started working, by what is brought from the first compartment 11
Second compartment 12 is entered back into after cold air heating, so that the effect of the low temp compensating of second compartment 12 is reached, so that second compartment 12
Reach setting refrigeration.
Actual temperature of the electric heating part 71 only in second compartment 12 is just opened in the case of being less than setting value, and by the
The control of temperature sensor in two compartments 12.Electric heating part 71 works when different from wind EGR 4.
Illustrate the course of work of refrigeration plant 100 in second embodiment of the invention with reference to Fig. 3-Fig. 4.
After refrigeration plant 100 is powered, compressor operating starts kind of refrigeration cycle, and now the first compartment 11 is synchronous starts working,
System air-supply arrangement 8 inhales the hot-air in the first compartment 11 from the bottom return air inlet 114 on the first compartment air duct cover board 111
Enter, this part hot-air passes through evaporator 3, the hot-air and evaporator 3 for flowing through evaporator 3 are exchanged heat, form cold air, and
Top supplying air mouthful 113 on the first compartment air duct cover board 111 is blown out, and cold air passes through free convection in the first compartment 11,
After the hot-air heat exchange in the first compartment 11, the bottom return air inlet 114 entered back on the first compartment air duct cover board 111, so
Circulation so that the temperature in the first compartment 11 reaches setting refrigeration.
The unlatching and stopping of compressor are by the temperature control in the first compartment 11, when the actual temperature in the first compartment 11 is high
When setting value, compressor operating, after the actual temperature in the first compartment 11 reaches setting value, compressor is stopped.
While first compartment 11 starts the cycle over refrigeration, the wind EGR 4 being arranged on demarcation strip 2 is started working, will
The cold air suction demarcation strip air channel 9 of first compartment 11, by the flowing in demarcation strip air channel 9, the second air channel 122, between second
Second compartment air outlet 125 on room air duct cover board 121 is blown out.The cold air that first compartment 11 is brought enters second compartment 12,
After the hot-air heat exchange in free convection, with second compartment 12, the air -return duct 6 between door body 5 and demarcation strip 2 enters the
After cold air heat exchange in one compartment 11, with the first compartment 11, second compartment 12 is sucked by wind EGR 4 again, so
Circulation, makes second compartment 12 reach setting refrigeration.
Temperature-compensating blows part 72 according to rule operation set in advance, when electric heating part 71 does not work, temperature-compensating
Air-supply part 72 primarily serves the purpose of the air circulation circulation in enhancing second compartment 12, so that the temperature in second compartment 12
Degree distribution is more uniform.
When the actual temperature in second compartment 12 is less than setting value certain limit, second compartment 12 is unable to reach by refrigeration
Setting value, now, wind EGR 4 are stopped, meanwhile, temperature-compensating part 7 is started working.Temperature-compensating blows part 72 by the
Air in two compartments 12 is compensated the closing space between air-supply part 72 and electric heating part 71 by the inlet temperature of compensation return air inlet 124
Interior, cold air exchanges heat after electric heating part 71 and forms hot-air, and is driven and blown through overcompensation by temperature-compensating air-supply part 72
Mouth 123 is blown out.
The hot-air blown out from compensation air outlet 123 is with after the cold air heat exchange in second compartment 12, entering back into second
Compensation return air inlet 124 on compartment air duct cover board 121.So circulation is so as to reach the effect of the low temp compensating of second compartment 12.By
In temperature-compensating part 7 and electric heating part 71 in a closing space, it is to avoid heating again while second compartment 12 is freezed, from
And reached the purpose of energy-conservation.
Actual temperature of the electric heating part 71 only in second compartment 12 is just opened in the case of being less than setting value, and by the
The control of temperature sensor in two compartments 12.Electric heating part 71 works when different from wind EGR 4, temperature-compensating air-supply part
72 can work simultaneously with wind EGR 4.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the feature that the embodiment or example are described
It is contained at least one embodiment of the present invention or example.In this manual, need not to the schematic representation of above-mentioned term
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.In addition, those skilled in the art can illustrate this
Not be the same as Example or example described in book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of refrigeration plant of single refrigeration system multi-temperature zone, it is characterised in that including：
There is the first compartment and second compartment, the design temperature of first compartment is less than described second in casing, the casing
The design temperature of compartment；
Demarcation strip, the demarcation strip is arranged in the casing and separates first compartment and the second compartment；
Refrigeration system, the refrigeration system includes compressor, condenser, evaporator, and the evaporator is arranged to air-cooled side
Formula provides cold to first compartment；
Wind EGR, the wind EGR is arranged on the demarcation strip, and the wind EGR is arranged for institute
Wind indoor between first is stated to be delivered in the second compartment.
2. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 1, it is characterised in that set on the casing
Have for open or close first compartment, the second compartment door body, the door body and the divider plate open with
Limit the air -return duct for connecting first compartment and the second compartment.
3. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 1, it is characterised in that also include：For to
The second compartment provides the temperature-compensating part of temperature-compensating.
4. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 3, it is characterised in that the temperature-compensating part
For electric heating part.
5. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 4, it is characterised in that the electric heating part is set
Put on the internal face of the second compartment.
6. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 3, it is characterised in that
The rear wall of the second compartment is second compartment air duct cover board, and the rear side of the second compartment air duct cover board is the second wind
Compensation air outlet and compensation return air inlet, the compensation air outlet and the benefit are provided with road, the second compartment air duct cover board
Return air inlet is repaid to connect with the second compartment；
The temperature-compensating part includes：
Electric heating part, the electric heating part is arranged on the rear surface of the second compartment air duct cover board；And
Temperature-compensating air-supply part, the temperature-compensating air-supply part is arranged on the rear surface of the second compartment air duct cover board, and
Temperature-compensating air-supply part be arranged for wind from the compensation return air inlet suction and with after electric heating part heat exchange from
The compensation air outlet is sent out.
7. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 6, it is characterised in that also include：
Housing, the housing be fixed on the rear surface of the second compartment air duct cover board and with the second compartment air duct cover board
Closing space is formed, the electric heating part and temperature-compensating air-supply part are arranged in the closing space, the closing
Space is connected by the compensation air outlet and the compensation air outlet with the second compartment.
8. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 1, it is characterised in that the refrigeration system is also
Including system air-supply arrangement, the rear wall of first compartment is the first compartment air duct cover board, the rear wall of the second compartment
For second compartment air duct cover board, the rear side of the first compartment air duct cover board is the first air channel, and the evaporator is arranged on described
In first air channel, top supplying air mouthful and bottom return air inlet, the system air-supply dress are provided with the first compartment air duct cover board
Put and be arranged on the rear surface of the first compartment air duct cover board and at the top supplying air mouthful.
9. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 8, it is characterised in that the second compartment wind
The rear side of road cover plate is to be formed with demarcation strip air channel, the demarcation strip air channel and described second in the second air channel, the demarcation strip
Air channel is connected with first compartment, and the wind EGR is built in inside the demarcation strip.
10. the refrigeration plant of single refrigeration system multi-temperature zone according to claim 8, it is characterised in that first compartment
Air duct cover board and the second compartment air duct cover board are into a single integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448397.4A CN107270615A (en) | 2017-06-14 | 2017-06-14 | The refrigeration plant of single refrigeration system multi-temperature zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109341182A (en) * | 2018-11-26 | 2019-02-15 | 合肥华凌股份有限公司 | The refrigeration system and refrigerator of refrigerating appliance |
| CN110094894A (en) * | 2018-01-29 | 2019-08-06 | 青岛海尔股份有限公司 | Refrigerator |
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| WO2022142661A1 (en) * | 2021-01-04 | 2022-07-07 | 青岛海尔电冰箱有限公司 | Refrigerator |
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