CN107975957A - Refrigeration system, refrigeration plant and its control method - Google Patents
Refrigeration system, refrigeration plant and its control method Download PDFInfo
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- CN107975957A CN107975957A CN201610936537.8A CN201610936537A CN107975957A CN 107975957 A CN107975957 A CN 107975957A CN 201610936537 A CN201610936537 A CN 201610936537A CN 107975957 A CN107975957 A CN 107975957A
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- Prior art keywords
- stator
- linear compressor
- mover
- refrigeration
- refrigeration system
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/023—Set point defrosting
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention provides a kind of refrigeration system, refrigeration plant and its control method.Refrigeration system, including linear compressor, the first evaporator, the second evaporator, the first condenser and the second condenser；Linear compressor includes the mover and resonant spring of shell and setting in the housing, the both ends of the shell are respectively arranged with stator, coil is provided with each stator, cylinder is provided with each stator, the mover is provided with piston corresponding with the cylinder, the piston is slidably arranged in the corresponding cylinder, and permanent magnet corresponding with the stator is additionally provided with the mover, the resonant spring is provided between the mover and the stator.The overall structure for simplifying linear compressor is realized in order to quickly assemble, and improves the electric efficiency of linear compressor, to improve the refrigerating efficiency of refrigeration plant and reduce energy consumption.
Description
Technical field
The present invention relates to compressor, more particularly to a kind of refrigeration system, refrigeration plant and its control method.
Background technology
At present, the compressor used in refrigeration plant has rotary and two kinds linear, linear compression of the prior art
Machine generally includes the components such as shell, stator, coil, mover, piston, cylinder, spring rear baffle and spring composition；Wherein, mover
On be provided with magnet, magnet is inserted in the magnetic field space of stator formation, coil is equipped with stator, one end of piston is connected to mover
On, the other end of piston is inserted in the inner cavity of cylinder.In use, it is dynamic to produce alternating magnetic field driving for coil energization
Subband the movement of piston high-frequency reciprocating.But be only that one way is useful work during reciprocating motion of the pistons, return is idle work,
China Patent No. 200720087539.0 discloses a kind of double cylinder electromagnetic compressors, has been done when realizing piston reciprocating movement
Hard, still, technical solution disclosed in above-mentioned patent sets resonant spring at the both ends of shell, and two coils are arranged in outside
The middle part of shell, in actual use, since the distance between two coils are relatively near, coil easily influences each other after being powered,
Magnetic field saturation easily occurs, causes the efficiency of compressor to reduce.How a kind of simple in structure, ease of assembly and electric efficiency are designed
High linear compressor is the technical problems to be solved by the invention to improve the refrigerating efficiency of refrigeration plant.
The content of the invention
The technical problems to be solved by the invention are：A kind of refrigeration system, refrigeration plant and its control method are provided, realized
Simplify the overall structure of linear compressor in order to quickly assemble, and improve the electric efficiency of linear compressor, to improve refrigeration
The refrigerating efficiency of equipment simultaneously reduces energy consumption.
Technical solution provided by the invention is a kind of refrigeration system, including linear compressor, the first evaporator, the second steaming
Send out device, the first condenser and the second condenser；The linear compressor includes the mover of shell and setting in the housing
And resonant spring, the both ends of the shell are respectively arranged with stator, coil is provided with each stator, it is each described fixed
Cylinder is provided with son, the mover is provided with piston corresponding with the cylinder, and the piston is slidably arranged in corresponding institute
State in cylinder, permanent magnet corresponding with the stator is additionally provided with the mover, is set between the mover and the stator
Have the resonant spring, be provided with air intake duct, downtake pipe and second exhaust pipe on the shell, the downtake pipe and
The second exhaust pipe is connected with the corresponding cylinder respectively, and two coils are cascaded；First evaporator
Outlet and the outlet of second evaporator be connected respectively with the air intake duct, the import of first condenser and described the
One exhaust pipe connects, and the import of second condenser is connected with the second exhaust pipe, first evaporator and described the
First throttling device is provided between one condenser, the second section is provided between second evaporator and second condenser
Flow device.
The present invention also provides a kind of refrigeration plant, including two refrigeration compartments, above-mentioned refrigeration system is further included；Wherein one
The first evaporator of the refrigeration system is provided with the refrigeration compartment, the refrigeration is provided with another refrigeration compartment
Second evaporator of system.
The present invention also provides a kind of control method of refrigeration system, it is characterised in that the refrigeration system uses above-mentioned system
Cooling system, the both ends of the linear compressor in the refrigeration system are respectively first end and the second end, and control method is：
During linear compressor no power, the permanent magnet of mover both sides is located at the medium position of corresponding stator；
After linear compressor is passed through positive alternating current, the coil in stator produces alternating magnetic field, and the permanent magnet of mover both sides is right
The magnetic force towards linear compressor first end direction is produced in the alternating magnetic field answered, positioned at linear compressor first end position
The cylinder compression refrigerant gas at place is put, and the cylinder at linear compressor the second end position absorbs refrigerant gas；
After linear compressor is passed through Opposed crossing electricity, the coil in stator produces alternating magnetic field, and the permanent magnet of mover both sides is right
The magnetic force towards linear compressor the second end direction is produced in the alternating magnetic field answered, positioned at linear compressor first end position
The cylinder for putting place absorbs refrigerant gas, and is located at the cylinder compression refrigerant gas at linear compressor the second end position.
Refrigeration system, refrigeration plant and its control method provided by the invention, by being set respectively at the both ends of shell
Cylinder, is correspondingly arranged on stator on cylinder, mover is arranged between two stators so that the distance between two stators are enough
Greatly, the magnetic field that two coils produce mutually is independent of each other, and is influenced each other between two stator coils of reduction and produces magnetic field saturation,
And two permanent magnets do work at the same time, motor force of the compressor in compressed gas doubles, according to input power P=F*v=
α * I*v, F are motor forces, and v is mover speed, when the input power of compressor will remain unchanged, then the electric current I of compressor can under
One times of drop, the higher hamonic wave loss reduction of compressor, is conducive to improve electric efficiency when one side electric current reduces；On the other hand electricity
Stream reduces, and can avoid the permanent magnet demagnetization of compressor that electric efficiency higher occurs；The resonant spring of compressor be arranged on mover with
In space between stator, from the influence of diameter of stator bore size so that the simple and convenient assembling of overall structure, and effectively improve
The electric efficiency of linear compressor, to improve the refrigerating efficiency of refrigeration plant and reduce energy consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram one of refrigeration plant embodiment of the present invention；
Fig. 2 is the structure diagram two of refrigeration plant embodiment of the present invention
Fig. 3 is the structure diagram one of refrigeration plant embodiment cathetus compressor of the present invention；
Fig. 4 is the structure diagram two of refrigeration plant embodiment cathetus compressor of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work, belong to the scope of protection of the invention.
As shown in figures 1 and 3, the present embodiment refrigeration plant includes refrigeration compartment 101 and refrigeration compartment 102, refrigeration compartment
101, which are provided with the air door 103 that can be switched with refrigeration compartment 102, is used to connecting or cutting off refrigeration compartment 101 and refrigeration compartment
102, used refrigeration system includes linear compressor 100, the first evaporator 201, the second evaporator 202, the first condenser
301 and second condenser 302；Wherein, linear compressor 100 includes shell 1 and 2 and of mover being arranged in the shell 1
Resonant spring 8, the both ends of the shell 1 are respectively arranged with stator 5, and each stator 5 is provided with coil 6, and stator 5 is fixedly connected
There is a cylinder 3, the both sides of the mover 2 are respectively arranged with piston 4 corresponding with the cylinder 3, and the piston 4 is slidably arranged in pair
In the cylinder 3 answered, the both sides of the mover 2 are also respectively provided with permanent magnet 7 corresponding with the stator 5, the mover 2
Resonant spring 8 is provided between the stator 5, air intake duct 11, downtake pipe 12 and second row are provided with the shell 1
Tracheae 13, the downtake pipe 12 and the second exhaust pipe 13 are connected with the corresponding cylinder 3 respectively, two lines
Circle 6 is cascaded；First evaporator 201 outlet and second evaporator 202 outlet respectively with the air-breathing
Pipe 11 connects, and the import of first condenser 301 is connected with the downtake pipe 12, second condenser 302 into
Mouth is connected with the second exhaust pipe 13, and first segment is provided between first evaporator 201 and first condenser 301
Flow device（It is unmarked）, second throttling device is provided between second evaporator 202 and second condenser 302（Not
Mark）；First evaporator 201 is located at refrigeration compartment 101, and the second evaporator 202 is located in refrigeration compartment 102.
Specifically, refrigeration system uses the structure type of double evaporators, and institute used by the present embodiment refrigeration plant
The linear compressor 100 of use has two cylinders 3, and each cylinder 3 is configured with stator 5, and what the both sides of mover 2 were correspondingly arranged
Piston 4 moves back and forth in corresponding cylinder 3, and in actual use, two stators 5 are spaced from each other so that in stator 5
The magnetic field that coil 6 produces will not interfere with each other influence, also, by controlling the alternating current phases and permanent magnet 7 of each coil 6
Pole orientation, can realize that two permanent magnets 7 produce the magnetic force of equidirectional in respective magnetic field, so that mover
The identical superposed force in direction is produced in 2, to increase the motor force of the generation of mover 2, if being in compression for the cylinder 3 of one end
Refrigerant gas state, then the cylinder 3 of the other end is then in the state for absorbing gas, and according to input power P=F*v=α * I*
V, F are motor forces, and v is mover speed, and when the input power of compressor will remain unchanged, then the electric current I of compressor can decline one
Times, the higher hamonic wave loss reduction of compressor, is conducive to improve electric efficiency when one side electric current reduces；Another aspect electric current subtracts
It is small, it can avoid the permanent magnet demagnetization of compressor that electric efficiency higher occurs.In addition, as shown in figure 3, two cylinders 3 are using backwards
The mode of setting is arranged in shell 1, alternatively, as shown in figure 4, in order to further increase the distance between two stators 5, and
Overall dimensions are reduced, two cylinders 3 by the way of being oppositely arranged using being arranged in shell 1.Wherein, cylinder 3 can be adopted with stator 5
With the mode being directly fixedly connected, intermediate connector can also be increased between cylinder 3 and stator 5, such as：Intermediate connector can
To be fixed together using forward flange, cylinder 3 and stator 5 by forward flange.Further, for simplify control mode,
Two coils 6 are cascaded, and the winding turns of two coils 6 are identical, and the direction of winding of two coils 6
On the contrary, at the same time, the magnetic pole of the permanent magnet 7 of 2 both sides of mover is opposite.Specifically, a piston 4 of compressor is being compressed
During process, conducting wire of another piston 4 in progress breathing process, two coils 6 of compressor is cascaded structure, two after energization
Size of current is identical in a coil 6（Electric current is I）, direction on the contrary, the magnetic direction formed on the contrary, acting on two magnetic pole sides
To on opposite permanent magnet 7, two permanent magnets 7 produce the motor force of equidirectional respectively（F1=α 1*I, F2=α 2*I, α 1, α 2 are
The coefficient of electrical machinery of motor）, permanent magnet 7 causes mover 2 to move and acts on piston 4, the motor force increase by one on such piston 4
Times（F=F1+F2=α1*I+α2*I）.
And in actual moving process, after coil 6 is passed through positive alternating current, produced between inner stator 51, external stator 52
Alternating magnetic field, the permanent magnet 7 on mover 2 produce the motor force of direction to the left under action of alternating magnetic field, and permanent magnet 7 draws
Promoter 2 is to left movement, and mover 2 is interior to left movement in cylinder 3 with piston 4, and the cylinder 3 positioned at left side compresses refrigerant gas
Body, after refrigerant gas is compressed, exhaust valve plate is opened, and the high-temperature high-pressure refrigerant gas compressed is drained into downtake pipe
In 12, entered through downtake pipe 12 in the first evaporator 201 and the kind of refrigeration cycle A at the place of the first condenser 301, first is cold
Condenser 301 cools down high-temperature high-pressure refrigerant gas, and refrigerant is changed into medium temperature highly pressurised liquid, is medium temperature low pressure liquid through reducing pressure by regulating flow
Body, afterwards into the first evaporator 201, the heat absorption vaporization out of refrigeration compartment 101, is converted into low temperature in the first evaporator 201
Less than gaseous refrigerant, after enter through air intake duct 11 inside linear compressor 100；At the same time, right cylinder 3 is absorbed through inhaling
The refrigerant gas for the kind of refrigeration cycle A that tracheae 11 sucks.Likewise, when coil 6 leads to negative sense alternating current, mover 3 is in permanent magnet 7
Force action under, band piston 4 moved right in cylinder 3,3 compressed gas of cylinder positioned at right side, gas compressed
Enter the kind of refrigeration cycle B where the second evaporator 202 and the second condenser 302 through second exhaust pipe 13, its process of refrigerastion with
Kind of refrigeration cycle A is similar, and the temperature of refrigeration compartment 102 reduces；At the same time, the kind of refrigeration cycle B that left side gas 3 is sucked through air intake duct 11
Refrigerant gas.
Further, the stator 5 is fixed on the corresponding cylinder 3, and two stators 5 pass through connector 9
It is fixed together.Specifically, each cylinder 3 and the stator 5 and coil 6 that connect thereon form an independent motor mould
Block, during actual assembled, two motor modules are fixed together by connector 9 and in shells 1, its
In, connector 89 includes the first contiguous block 91 and the second contiguous block 92, and first contiguous block 91 is solid with wherein one stator 5
Fixed connection, second contiguous block 92 are fixedly connected with another stator 5, first contiguous block 91 and second connection
Block 92 is bolted to connection together, in actual mechanical process, contiguous block first can be fixed on corresponding stator 5
On, and the connection mode of contiguous block and stator 5 can use welding or the fixed form such as Nian Jie, wherein, stator 5 includes inner stator
51 and external stator 52, it is provided with the coil 6 on the inner stator 51, the inner stator 51 and the external stator 52 are fixed on pair
On the cylinder 3 answered, the connector 9 is welded or is bonded on the external stator 52.
Further, the resonant spring 8 in the present embodiment can use two-part structure, can also use a resonance body
Spring 8, for the resonant spring 8 using one, then between resonant spring 8 being arranged on two stators 5, and mover 2 is fixed on
The centre position of resonant spring 8；And for using two-part resonant spring 8, then each resonant spring 8 be located at mover 2 with it is right
Between the stator 5 answered.
Preferably, in order to not influence refrigeration effect during evaporator defrost, avoid using electric heating wire defrost, such as scheme
Shown in 2, the first defrost pipe 401 is provided with first evaporator 201, the second change is provided with second evaporator 202
White pipe 402, the two-port of the first defrost pipe 401 are connected to the downtake pipe 12 and second condenser 302
Between outlet, the two-port of the second defrost pipe 402 is connected to the second exhaust pipe 13 and first condenser 301
Between outlet.Specifically, kind of refrigeration cycle A is provided with the first defrost pipe 401, the first defrost pipe 401 is installed on the first evaporator 201
Around, the first defrost pipe 401 is installed between 12 and second condenser 302 of downtake pipe by solenoid valve；Kind of refrigeration cycle B is set
The second defrost pipe 402 is put, the second defrost pipe 402 is installed on around the second evaporator 202, and the second defrost pipe 402 passes through electromagnetism
Valve is installed between 13 and second condenser 302 of second exhaust pipe.Such as：When first evaporator 201 needs defrost, solenoid valve control
The high temperature and high pressure gaseous refrigerant that system is discharged by downtake pipe 12 flows into the first defrost pipe 401, the height in the first defrost pipe 401
Heat exchange occurs for warm high-pressure gaseous refrigerant and the first evaporator 201 of frosting, and refrigerant is changed into medium temperature high pressure liquid refrigerant
Afterwards enter kind of refrigeration cycle B in, inlet port is arranged between outlet and the corresponding throttling arrangement of the second condenser 302, after pass through
Enter after reducing pressure by regulating flow in the second evaporator 202, cold and hot exchange is carried out for refrigeration compartment 102.Likewise, the second evaporator 202
When needing defrost, the high temperature and high pressure gaseous refrigerant discharged by second exhaust pipe 13 is its defrost, afterwards into kind of refrigeration cycle A
In, it is 101 refrigeration cool-down of refrigeration compartment.It is the steaming in two kind of refrigeration cycle using the compression exhaust heat of double cylinder linear compressors
Device defrost is sent out, the refrigeration effect of one side refrigeration plant is unaffected, on the other hand avoids using defrost heater strip, reduces system
The power consumption of cool equipment.
The present invention also provides a kind of control method of refrigeration system, wherein, the both ends of linear compressor are respectively first
End and the second end, control method are：
During linear compressor no power, the permanent magnet of mover both sides is located at the medium position of corresponding stator；
After linear compressor is passed through positive alternating current, the coil in stator produces alternating magnetic field, and the permanent magnet of mover both sides is right
The magnetic force towards linear compressor first end direction is produced in the alternating magnetic field answered, positioned at linear compressor first end position
The cylinder compression refrigerant gas at place is put, and the cylinder at linear compressor the second end position absorbs refrigerant gas；
After linear compressor is passed through Opposed crossing electricity, the coil in stator produces alternating magnetic field, and the permanent magnet of mover both sides is right
The magnetic force towards linear compressor the second end direction is produced in the alternating magnetic field answered, positioned at linear compressor first end position
The cylinder for putting place absorbs refrigerant gas, and is located at the cylinder compression refrigerant gas at linear compressor the second end position.
Refrigeration system, refrigeration plant and its control method provided by the invention, by being set respectively at the both ends of shell
Cylinder, is correspondingly arranged on stator on cylinder, mover is arranged between two stators so that the distance between two stators are enough
Greatly, the magnetic field that two coils produce mutually is independent of each other, and is influenced each other between two stator coils of reduction and produces magnetic field saturation,
And two permanent magnets do work at the same time, motor force of the compressor in compressed gas doubles, according to input power P=F*v=
α * I*v, F are motor forces, and v is mover speed, when the input power of compressor will remain unchanged, then the electric current I of compressor can under
One times of drop, the higher hamonic wave loss reduction of compressor, is conducive to improve electric efficiency when one side electric current reduces；On the other hand electricity
Stream reduces, and can avoid the permanent magnet demagnetization of compressor that electric efficiency higher occurs；The resonant spring of compressor be arranged on mover with
In space between stator, from the influence of diameter of stator bore size so that the simple and convenient assembling of overall structure, and effectively improve
The electric efficiency of linear compressor.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
1. a kind of refrigeration system, it is characterised in that including linear compressor, the first evaporator, the second evaporator, the first condenser
With the second condenser；The linear compressor includes the mover and resonant spring of shell and setting in the housing, described
The both ends of shell are respectively arranged with stator, and coil is provided with each stator, and cylinder is provided with each stator,
The mover is provided with piston corresponding with the cylinder, and the piston is slidably arranged in the corresponding cylinder, described dynamic
Permanent magnet corresponding with the stator is additionally provided with son, the resonant spring is provided between the mover and the stator,
Air intake duct, downtake pipe and second exhaust pipe, the downtake pipe and the second exhaust pipe are provided with the shell
Connected respectively with the corresponding cylinder, two coils are cascaded；The outlet of first evaporator and described
The outlet of two evaporators is connected with the air intake duct respectively, and the import of first condenser is connected with the downtake pipe,
The import of second condenser is connected with the second exhaust pipe, is set between first evaporator and first condenser
First throttling device is equipped with, second throttling device is provided between second evaporator and second condenser.
2. refrigeration system according to claim 1, it is characterised in that the winding turns of two coils are identical, and two
The direction of winding of a coil is on the contrary, the magnetic pole of the permanent magnet of the mover both sides is opposite.
3. refrigeration system according to claim 1, it is characterised in that the stator is fixed on the corresponding cylinder,
Two stators are fixed together by connector.
4. refrigeration system according to claim 3, it is characterised in that the connector includes the first contiguous block and second and connects
Block is connect, first contiguous block is fixedly connected with wherein one stator, and second contiguous block is fixed with another stator
Connection, first contiguous block and second contiguous block are removably attachable to together.
5. refrigeration system according to claim 3, it is characterised in that the stator includes inner stator and external stator, described
The coil is provided with inner stator, the inner stator and the external stator are fixed on the corresponding cylinder, the connection
Part is welded or is bonded on the external stator.
6. refrigeration system according to claim 1, it is characterised in that be provided with the resonance bomb between two stators
Spring, the mover are fixed on the middle part of the resonant spring；Alternatively, the both sides of the mover be respectively arranged with it is independent described common
Shake spring.
7. refrigeration system according to claim 1, it is characterised in that be provided with the first defrost on first evaporator
Manage, be provided with the second defrost pipe on second evaporator, the two-port of the first defrost pipe is connected to the first exhaust
Between pipe and the import or export of second condenser, the two-port of the second defrost pipe is connected to the second exhaust pipe
Between the import or export of first condenser.
8. a kind of refrigeration plant, including two refrigeration compartments, it is characterised in that further include as described in claim 1-7 is any
Refrigeration system；The first evaporator of the refrigeration system is provided with wherein one refrigeration compartment, between another refrigeration
The second evaporator of the refrigeration system is provided with room.
9. refrigeration plant system according to claim 8, it is characterised in that be additionally provided between two refrigeration compartments
Switchable air door.
10. a kind of control method of refrigeration system, it is characterised in that the refrigeration system is used such as any institutes of claim 1-7
The refrigeration system stated, the both ends of the linear compressor in the refrigeration system are respectively first end and the second end, control
Method is：
During linear compressor no power, the permanent magnet of mover both sides is located at the medium position of corresponding stator；
After linear compressor is passed through positive alternating current, the coil in stator produces alternating magnetic field, and the permanent magnet of mover both sides is right
The magnetic force towards linear compressor first end direction is produced in the alternating magnetic field answered, positioned at linear compressor first end position
The cylinder compression refrigerant gas at place is put, and the cylinder at linear compressor the second end position absorbs refrigerant gas；
After linear compressor is passed through Opposed crossing electricity, the coil in stator produces alternating magnetic field, and the permanent magnet of mover both sides is right
The magnetic force towards linear compressor the second end direction is produced in the alternating magnetic field answered, positioned at linear compressor first end position
The cylinder for putting place absorbs refrigerant gas, and is located at the cylinder compression refrigerant gas at linear compressor the second end position.
Priority Applications (1)
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| CN201610936537.8A CN107975957B (en) | 2016-10-25 | 2016-10-25 | Refrigeration system, refrigeration equipment and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936537.8A CN107975957B (en) | 2016-10-25 | 2016-10-25 | Refrigeration system, refrigeration equipment and control method thereof |
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| Publication Number | Publication Date |
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| CN107975957A true CN107975957A (en) | 2018-05-01 |
| CN107975957B CN107975957B (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273710A1 (en) * | 2021-06-29 | 2023-01-05 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
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| WO2023273710A1 (en) * | 2021-06-29 | 2023-01-05 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device |
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| CN107975957B (en) | 2021-01-29 |
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