CN106524663A - Refrigerator capable of improving stability of linear compressor and control method of refrigerator - Google Patents
Refrigerator capable of improving stability of linear compressor and control method of refrigerator Download PDFInfo
- Publication number
- CN106524663A CN106524663A CN201611153003.4A CN201611153003A CN106524663A CN 106524663 A CN106524663 A CN 106524663A CN 201611153003 A CN201611153003 A CN 201611153003A CN 106524663 A CN106524663 A CN 106524663A
- Authority
- CN
- China
- Prior art keywords
- linear compressor
- refrigerator
- preset time
- preset
- input power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Classifications
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D2600/00—Control issues
- F25D2600/02—Timing
Abstract
The invention discloses a control method of a refrigerator adopting a linear compressor. According to the control method, the linear compressor is controlled to run for a preset time under a preset input power when the linear compressor is powered on for the first time; the preset input power is larger than a normal-start input power matched with the linear compressor and is smaller than or equal to a maximum input power of the linear compressor; and when a start mode is started, a refrigerant loop is at least partially interdicted to guarantee gentle pressure reduction of an exhaust side at the beginning of the start of the linear compressor, so the aim of protecting the compressor is realized.
Description
Technical field
The present invention relates to refrigerator control technology field, the refrigerator and its controlling party of more particularly to a kind of employing linear compressor
Method.
Background technology
When electricity is gone up for the first time using the refrigerator of linear compressor, can enter high capacity control model to lower the temperature as early as possible.Now,
Linear compressor is rapidly reached its highest operating frequency in the very first time, and piston stroke change is rapid, compressor itself vibration with
There is no prolonged common factor in the resonant belt of refrigerator, can eliminate the high frequency noise of refrigerator initial start stage.But compressor is in most
Severe operating mode, pressure moment are reduced, and the displacement of piston is maximum, and the suspension spring at compressor two ends is in peak swing, connection
Connecting rod between piston and motor works under limit state, reduces the reliability of compressor.
The content of the invention
It is an object of the invention to it is violent to solve the problems, such as that refrigerator starts moment linear compressor working conditions change.
For achieving the above object, the present invention provides a kind of controlling method for refrigerator of employing linear compressor, including：
Judge whether refrigerator enters starting state by halted state；
If so, judge compartment whether higher than preset temperature；
If so, start-up mode is called, the linear compressor is controlled and the first Preset Time is run under preset input power, its
In,
Preset input power more than the normal startup input power matched with the linear compressor, less than or equal to the straight line pressure
The maximal input of contracting machine；Also,
When start-up mode starts, refrigerant loop is at least partly blocked.
Used as the further improvement of an embodiment of the present invention, the method also includes：
, at least partly after the second Preset Time of blocking, recovery refrigerant loop is unobstructed for refrigerant loop, wherein, the second Preset Time
Less than the first Preset Time.
Used as the further improvement of an embodiment of the present invention, the method also includes：Linear compressor operation first is preset
After time, start-up mode is exited, according to temperature in refrigerator compartment and ambient temperature control linear compressor operation.
As the further improvement of an embodiment of the present invention, when start-up mode starts, the valve of refrigerant loop is closed
Close to block the loop.
Used as the further improvement of an embodiment of the present invention, the first Preset Time is at least one minute.
Used as the further improvement of an embodiment of the present invention, the second Preset Time is at least 5 seconds.
Another aspect of the present invention also provides a kind of refrigerator of employing linear compressor, including refrigerant loop and computer
Plate,
Computer board is used to judge whether refrigerator enters starting state, and the Working mould of control linear compressor by halted state
Formula；
If refrigerator is by halted state is into starting state and compartment is higher than preset temperature, start-up mode is called, control is described
Linear compressor runs the first Preset Time under preset input power, wherein,
Preset input power more than the normal startup input power matched with the linear compressor, less than or equal to the straight line pressure
The maximal input of contracting machine；Also,
When start-up mode starts, refrigerant loop is made at least partly to block.
Used as the further improvement of an embodiment of the present invention, refrigerator also includes the valve positioned at refrigerant loop, computer
Plate control valve closes the second Preset Time when start-up mode starts, and the second Preset Time is less than the first Preset Time.
Used as the further improvement of an embodiment of the present invention, refrigerator also includes single-chip microcomputer, during presetting to described first
Between and the second Preset Time timing.
Another aspect of the present invention also provides a kind of refrigeration plant of employing linear compressor, including refrigerant loop and electricity
Brain plate,
Computer board is used to judge that whether the refrigeration plant enters starting state by halted state, and control the straight line compression
The mode of operation of machine；
If refrigeration plant is by halted state is into starting state and compartment is higher than preset temperature, start-up mode is called, is controlled
The linear compressor runs the first Preset Time under preset input power, wherein,
The preset input power is more than the normal startup input power matched with the linear compressor, straight less than or equal to described
The maximal input of wire compression machine；Also,
When start-up mode starts, control refrigerant loop at least partly blocks the second Preset Time；
Wherein, the second Preset Time is less than the first Preset Time.
Relative to prior art, the present invention in refrigerator by halted state into starting state when make linear compressor using to the greatest extent
The big power of amount is with fast cooling, while making the pressure drop of linear compressor exhaust side gentle in the moment that is powered, improves straight so as to reach
The purpose of wire compression machine reliability.
Description of the drawings
Fig. 1 is the schematic flow sheet of controlling method for refrigerator in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of controlling method for refrigerator in a further embodiment of this invention；
Fig. 3 is the schematic flow sheet of controlling method for refrigerator in a further embodiment of the present invention；
Fig. 4 is the refrigeration system schematic diagram of refrigerator in an embodiment of the present invention.
Specific embodiment
Describe the present invention below with reference to specific embodiment shown in the drawings.But these embodiments are simultaneously
The present invention is not limited, structure that one of ordinary skill in the art is made according to these embodiments, method or functionally
Conversion is all contained in protection scope of the present invention.
In embodiments of the present invention, specific explaination is done to the startup control method of the present invention by taking refrigerator as an example, but
It should be noted that involved skill spirit in embodiment disclosed below can alternatively be used the system of other forms
On cool equipment, exemplarily, such as refrigerator.The present invention is input into linear compressor with big power of trying one's best in startup stage, with fast
Resonant belt of the speed through compressor, reduces the generation of noise, while avoiding compressor energization moment from producing violent pressure drop.With reference to figure
1, the startup control method of the present invention includes：
Judge whether refrigerator enters starting state by halted state；
If so, start-up mode is then called, and linear compressor is made with preset input power and is run preset time T 1；Preset input power
More than the normal startup input power matched with the linear compressor, less than or equal to the maximum input work of the linear compressor
Rate, also, when start-up mode starts, i.e., while compressor is powered, will be refrigerant system feature or all blocking one shorter
Preset time T 2.
If refrigerator is entered by halted state when starting, for example, start after time-out, then into ordinary control mode.
Specifically, halted state, refers to that electric current passes through the state of refrigerator during electronic device in refrigerator.For example, refrigerator
Before first upper electricity, or before being once again powered up after power-off long-time, or before being powered at user for the first time.
It is understood that under the halted state, refrigerator cold-storage compartment is consistent with freezing compartment temperature, refrigerator compartment
Temperature can be same or like with room temperature.
Under linear compressor ordinary control mode, start 8-10 times of input power usually stable operation input power.
Such as linear compressor stable operation input power is 10w, then, the normal startup input power of the linear compressor matching can
80w ~ 100w is reached, the preset input power in the present embodiment can be more than 100W, certainly, also can directly be set to maximum input work
Rate, such as 160w.
Usually, the linear compressor of most models is behind a minute of upper electricity to enter steady-working state, so this
In embodiment, preset time T 1 is at least one minute.Certainly, the linear compressor of minority model is also not excluded for the one of upper electricity
Steady-working state can be just entered in minute, now preset time T 1 is it can also be provided that be less than one minute.
There is provided for linear compressor when refrigerator enters starting state by halted state and exceed matched normal startup
Input power, the piston stroke of compressor faster increase, rapid pressure drop in housing.In order to avoid compressor pressure drops rapidly
The stability of low process influence part, while compressor is powered, is made by partly or entirely blocking refrigeration system circuit
Compressor air-discharging side pressure drop rate slows down, and each part of compressor reaches dynamic equilibrium during relatively relaxing at one.Blocking
Time T2 is shorter than the time T1 that compressor is run with aforementioned preset input power under start-up mode, to recover cooling cycle system
Unobstructed rear compressor remains to run with preset input power, fast-refrigerating.Now, although compressor maintains a higher power,
But due to having reached dynamic equilibrium in compressor, the damage to part is less.
With reference to Fig. 1, in an embodiment of the present invention, while compressor is powered, close blower fan to reduce refrigeration system
The speed of cold is conveyed to compartment, and opens blower fan after 5 seconds, recover air-supply.
With reference to Fig. 2, in still another embodiment of the process, while compressor is powered, closes in refrigerant loop and arrange
In capillary tube upstream electromagnetic valve to block refrigerant passage, and Open valve after 5 seconds, cold-producing medium recovers to vaporizer stream
It is dynamic.
With reference to Fig. 3, in still another embodiment of the process, the air door in air channel is closed to prevent cold air from circulating to compartment, and 5
Air door is opened after second, the unobstructed of refrigerating circuit is realized.
Further, before start-up mode is called, judge that compartment, whether higher than preset temperature, if so, then calls startup
Pattern, if it is not, then entering ordinary control mode.Preferably, the compartment is freezing compartment.The preset temperature is, for example, -5 DEG C.Such as
This, when compartment is consistent with environment, when being in low temperature, such as in the winter of area of high latitudes, can be avoided shakedown run pattern,
Reduce loss and the energy saving of compressor.
After linear compressor operation preset time T 1, start-up mode is exited, according to temperature in refrigerator compartment and external environment condition
Temperature control linear compressor runs.
With reference to Fig. 4, refrigerator refrigeration system includes being in turn connected to form the vaporizer in loop, capillary tube, electromagnetic valve 10, condensation
Device 20 and linear compressor 30, cold-producing medium is circulated wherein.Wherein, vaporizer includes refrigeration evaporator 41 and refrigerating evaporator
43, capillary tube includes cold preservation capillary tube 51 and freezing capillary tube 53.Refrigeration evaporator 41 and cold preservation capillary tube 51 connect, frozen steamed
Send out device 43 and freezing capillary tube 53 connects, both are in parallel again.Electromagnetic valve 10 by cold-producing medium branch to cold preservation capillary tube 51 and/or
Freezing capillary tube 53, to realize the chilling requirement distribution of freezer room institute.Further, electromagnetic valve 10 be three-way valve, controllable refrigeration
Freeze or refrigerating system difference or collaboration refrigeration.
Refrigerator at least includes cold room and refrigerating chamber, and the two in the vertical direction is arranged.Refrigeration evaporator 41 and cold preservation wind
Road 61 connects, and cold room is led in air channel 61；Refrigerating evaporator 43 is connected with freezing air channel 63, and refrigerating chamber is led in air channel 63, makes cold
Vaporizer 41 is hidden only to refrigeration chamber, refrigerating evaporator 43 only freezes to refrigerating chamber.Air channel 61,63 is enclosed by several walls
Passage, the air for vaporizer 41,43 is cooled down import corresponding compartment.Cold preservation air channel 61 is respectively equipped with cold with freezing air channel 63
Blower fan 81, freezing blower fan 83 are hidden to improve refrigerating efficiency.Between air channel 61,63, air door can be set（It is not shown）, air door can
Controllably open, to allow refrigerating evaporator 43 and refrigeration evaporator 41 to carry out air exchange.
Refrigerator also includes computer board, for judging that whether refrigerator enters starting state, and control straight line by halted state
The mode of operation of compressor.
If so, then call start-up mode, control linear compressor that preset time T 1 is run under preset input power.
Wherein, Preset Time adopts single-chip microcomputer timing.Preset input power is more than just matching with the linear compressor
Often start input power, less than or equal to the maximal input of the linear compressor.
Computer board is also controlled when start-up mode starts, and cooling cycle system at least partly blocks preset time T 2.T2<
T1。
Specifically, computer board can control the closing of blower fan 81 and/or 83 5 seconds while compressor is powered, and be then turned on.
The electromagnetic valve 10 that can also be controlled in refrigerant loop cuts out 5 seconds, is then turned on；Or control air door closes 5
Open after second.
Further, 1 backed off after random start-up mode of preset time T is run, according to temperature in refrigerator compartment and external environment condition temperature
Degree control linear compressor operation.
Specifically, in refrigerator compartment, temperature can be used for the start and stop for controlling the linear compressor.Ambient temperature can be divided
For multiple continuous temperature ranges, the operational factor that each temperature range arranges linear compressor is corresponded to, in current refrigerator compartment
When temperature is more than target temperature and is more than fiducial temperature to the temperature difference of target temperature, linear compressor is transported according to corresponding operational factor
OK.
Embodiment of above only to illustrate technical scheme, rather than a limitation；Although with reference to aforementioned enforcement
Mode has been described in detail to the present invention, it will be understood by those within the art that：Which still can be to aforementioned each
Technical scheme described in embodiment is modified, or carries out equivalent to which part technical characteristic；And these are repaiied
Change or replace, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the invention.
Claims (10)
1. a kind of controlling method for refrigerator of employing linear compressor, it is characterised in that include：
Judge whether refrigerator enters starting state by halted state；
If so, judge compartment whether higher than preset temperature；
If so, start-up mode is called, the linear compressor is controlled and the first Preset Time is run under preset input power, its
In,
The preset input power is more than the normal startup input power matched with the linear compressor, straight less than or equal to described
The maximal input of wire compression machine；Also,
When start-up mode starts, refrigerant loop is at least partly blocked.
2. the controlling method for refrigerator of employing linear compressor according to claim 1, it is characterised in that methods described is also wrapped
Include：
, at least partly after the second Preset Time of blocking, recovery refrigerant loop is unobstructed for refrigerant loop, wherein, described second presets
Time is less than the first Preset Time.
3. the controlling method for refrigerator of employing linear compressor according to claim 2, it is characterised in that methods described is also wrapped
Include：
After the linear compressor runs the first Preset Time, start-up mode is exited, according to temperature in refrigerator compartment and external rings
Border temperature control linear compressor operation.
4. the controlling method for refrigerator of employing linear compressor according to claim 1, it is characterised in that open in start-up mode
During the beginning, the valve of refrigerant loop is closed with block refrigerant loop.
5. the controlling method for refrigerator of employing linear compressor according to claim 2, it is characterised in that described second presets
Time is at least five seconds.
6. the controlling method for refrigerator of employing linear compressor according to claim 1, it is characterised in that described first presets
Time is at least one minute.
7. a kind of refrigerator of employing linear compressor, it is characterised in that include:Refrigerant loop and computer board,
The computer board is used to judge whether refrigerator enters starting state, and the work of control linear compressor by halted state
Pattern；
If refrigerator is by halted state is into starting state and compartment is higher than preset temperature, start-up mode is called, control is described
Linear compressor runs the first Preset Time under preset input power, wherein,
The preset input power is more than the normal startup input power matched with the linear compressor, straight less than or equal to described
The maximal input of wire compression machine；Also,
When start-up mode starts, refrigerant loop is made at least partly to block.
8. the refrigerator of employing linear compressor according to claim 7, it is characterised in that also include positioned at refrigerant loop
Valve, computer board controls the valve and the second Preset Time, and second Preset Time closed when start-up mode starts
Less than the first Preset Time.
9. the refrigerator of employing linear compressor according to claim 8, it is characterised in that also including single-chip microcomputer, with to institute
State the first Preset Time and the second Preset Time timing.
10. a kind of refrigeration plant of employing linear compressor, it is characterised in that include:Refrigerant loop and computer board,
The computer board is used to judge that whether the refrigeration plant enters starting state by halted state, and control the straight line
The mode of operation of compressor；
If refrigeration plant is by halted state is into starting state and compartment is higher than preset temperature, start-up mode is called, is controlled
The linear compressor runs the first Preset Time under preset input power, wherein,
The preset input power is more than the normal startup input power matched with the linear compressor, straight less than or equal to described
The maximal input of wire compression machine；Also,
When start-up mode starts, the refrigerant loop at least partly the second Preset Time of blocking is controlled；
Wherein, second Preset Time is less than the first Preset Time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153003.4A CN106524663A (en) | 2016-12-14 | 2016-12-14 | Refrigerator capable of improving stability of linear compressor and control method of refrigerator |
| PCT/CN2017/116032 WO2018108117A1 (en) | 2016-12-14 | 2017-12-14 | Refrigerator for improving stability of linear compressor, and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153003.4A CN106524663A (en) | 2016-12-14 | 2016-12-14 | Refrigerator capable of improving stability of linear compressor and control method of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106524663A true CN106524663A (en) | 2017-03-22 |
Family
ID=58339481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611153003.4A Pending CN106524663A (en) | 2016-12-14 | 2016-12-14 | Refrigerator capable of improving stability of linear compressor and control method of refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106524663A (en) |
| WO (1) | WO2018108117A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018108117A1 (en) * | 2016-12-14 | 2018-06-21 | 青岛海尔股份有限公司 | Refrigerator for improving stability of linear compressor, and control method therefor |
| CN110953776A (en) * | 2019-11-22 | 2020-04-03 | 海信（山东）冰箱有限公司 | Refrigeration equipment and shutdown control method of compressor of refrigeration equipment |
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| CN110953776A (en) * | 2019-11-22 | 2020-04-03 | 海信（山东）冰箱有限公司 | Refrigeration equipment and shutdown control method of compressor of refrigeration equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018108117A1 (en) | 2018-06-21 |
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