CN106247751B - Freeze flow control methods, system and refrigerator - Google Patents
Freeze flow control methods, system and refrigerator Download PDFInfo
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- CN106247751B CN106247751B CN201610619083.1A CN201610619083A CN106247751B CN 106247751 B CN106247751 B CN 106247751B CN 201610619083 A CN201610619083 A CN 201610619083A CN 106247751 B CN106247751 B CN 106247751B
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention provides a kind of refrigeration flow control methods, system and refrigerator, the refrigeration flow control methods include：The current changes in flow rate request of refrigerator is obtained according to the current working condition of refrigerator；Current flow adjustment direction is determined according to the request of the changes in flow rate of acquisition；According to determining flow adjustment direction, the working condition of cooling assembly is adjusted, to realize target refrigeration effect.Refrigeration flow control methods provided by the invention can adjust the refrigeration flow of refrigerator in real time according to the instantaneous operating conditions of refrigerator, to realize the rapid and energy-saving of refrigeration for refrigerator.
Description
Technical field
The present embodiments relate to refrigeration for refrigerator technical fields, and in particular to a kind of refrigeration flow control methods, system and
Refrigerator.
Background technology
Refrigerator is a kind of very common household electrical appliance, and with the development of technology, the function of present refrigerator is increasingly
It is more, such as there are many new functions of fast-refrigerating pattern, silent mode.
But current refrigerator under different working conditions or environment when running, it is possible to can exist refrigeration not in time,
Insufficient, excessive refrigeration of freezing or the problem that refrigerating efficiency is low and energy-saving effect is poor.
Invention content
For the problems of the prior art, a kind of refrigeration flow control methods of present invention offer, system and refrigerator, Neng Gougen
The refrigeration flow of refrigerator is adjusted in real time according to the instantaneous operating conditions of refrigerator, to realize the rapid of refrigeration for refrigerator and
Energy-saving.
In order to solve the above technical problems, the present invention provides following technical scheme：
In a first aspect, the present invention provides a kind of refrigeration flow control methods, including：
The current changes in flow rate request of refrigerator is obtained according to the current working condition of refrigerator；
Current flow adjustment direction is determined according to the request of the changes in flow rate of acquisition；
According to determining flow adjustment direction, the working condition of cooling assembly is adjusted, to realize target refrigeration effect.
Optionally, described that the working condition of cooling assembly is adjusted according to determining flow adjustment direction, to realize target system
Cold effect, including：
If it is determined that flow adjustment direction be increase flow direction, then improve the working condition of cooling assembly, with realize
Target refrigeration effect；
If it is determined that flow adjustment direction be reduce flow direction, then reduce the working condition of cooling assembly, with realize
Target refrigeration effect；
If it is determined that flow adjustment direction be keep present flow rate direction, then keep the working condition of cooling assembly, with
Realize target refrigeration effect.
Optionally, the working condition for improving cooling assembly, to realize target refrigeration effect, including：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the capillary that is used before switching
Caliber it is thick, and/or, the flow velocity of the currently used capillary of velocity ratio is high；
And/or
Change the flow aperture of flow valve, wherein the flow of the preceding flow valve of flow opening ratio change of flow valve after change
Aperture is big.
Optionally, the working condition for reducing cooling assembly, to realize target refrigeration effect, including：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the capillary that is used before switching
Caliber it is thin, and/or, the flow velocity of the currently used capillary of velocity ratio is low；
And/or
Change the flow aperture of flow valve, wherein the flow of the preceding flow valve of flow opening ratio change of flow valve after change
Aperture is small.
Optionally, the working condition current according to refrigerator obtains the current changes in flow rate request of refrigerator, including：
Flow is established according to the current working condition of refrigerator and adjudicates matrix, and matrix is adjudicated according to the flow and is obtained currently
Changes in flow rate request.
Optionally, the working condition current according to refrigerator establishes flow judgement matrix, and is adjudicated according to the flow
Matrix obtains current changes in flow rate request, including：
Flow, which is established, according to the current working condition of refrigerator adjudicates matrix；
Wherein, include and the relevant judgement factor of room temperature angle value and compartment temperature wave in the flow judgement matrix
Whether the relevant judgement factor of dynamic amplitude initially uses relevant judgement with the relevant judgement factor of ambient temperature value, with refrigerator
The factor, with whether be that refrigeration system tests the relevant judgement factor and whether user sets fast-refrigerating pattern or silent mode
The relevant judgement factor, with the relevant judgement factor of compressor rotary speed, and the relevant judgement factor of rotation speed of fan, and/or, with
Room temperature angle value and the relevant judgement factor of the difference of target set point；
Wherein, when room temperature angle value be more than the first compartment temperature threshold value when with the relevant judgement factor value of room temperature angle value
It is 1；When room temperature angle value is less than second compartment temperature threshold and the relevant judgement factor value of room temperature angle value is -1；When
Room temperature angle value be more than second compartment temperature threshold and less than the first compartment temperature threshold value when with the relevant judgement of room temperature angle value because
Sub- value is 0；
Wherein, related to compartment temperature fluctuating range when compartment temperature fluctuating range is greater than or equal to the first amplitude threshold
Judgement factor value be 1, when compartment temperature fluctuating range be less than the first amplitude threshold when it is related to compartment temperature fluctuating range
Judgement factor value be 0；
Wherein, when ambient temperature value be more than first environment temperature threshold when with the relevant judgement factor value of ambient temperature value
It is 1；When ambient temperature value is less than second environment temperature threshold and the relevant judgement factor value of ambient temperature value is -1；Work as ring
Border temperature value be more than second environment temperature threshold and less than first environment temperature threshold when with the relevant judgement of ambient temperature value because
Sub- value is 0；
Wherein, it is 1 whether initially to use relevant judgement factor value with refrigerator when refrigerator is initially to use, and works as refrigerator
For non-initial use when with refrigerator whether the use of relevant judgement factor value is initially 0；
Wherein, when refrigerator is in refrigeration system test mode with whether be that refrigeration system is tested the relevant judgement factor and taken
Whether value is 1, and be that the relevant judgement factor value of refrigeration system test is when refrigerator be in uncooled systems test mode
0；
Wherein, fast-refrigerating pattern whether is set to user or silent mode is related when user sets fast-refrigerating pattern
Judgement factor value be 1, with user whether set fast-refrigerating pattern or silent mode phase when user sets silent mode
The judgement factor value of pass is 0；
Wherein, when compressor rotary speed is within the scope of the first compressor rotary speed with the relevant judgement factor of compressor rotary speed
Value is 1, when compressor rotary speed is within the scope of the second compressor rotary speed with the relevant judgement factor value of compressor rotary speed
It is 0, when compressor rotary speed is within the scope of third compressor rotary speed and the relevant judgement factor value of compressor rotary speed is -1；
Wherein, it is with the relevant judgement factor value of rotation speed of fan when rotation speed of fan is within the scope of the first rotation speed of fan
1, when rotation speed of fan is within the scope of the second rotation speed of fan and the relevant judgement factor value of rotation speed of fan is 0, when wind turbine turns
When speed is within the scope of third rotation speed of fan and the relevant judgement factor value of rotation speed of fan is -1；
Wherein, when room temperature angle value and the difference of target set point are less than or equal to the first difference threshold, with room temperature
Angle value and the relevant judgement factor value of the difference of target set point are -1, when the difference of room temperature angle value and target set point is big
It is 1 with the relevant judgement factor value of the difference of room temperature angle value and target set point when the first difference threshold；
The value that the flow is adjudicated to each judgement factor in matrix is summed, if summed result is more than 0, it is determined that
Current changes in flow rate request is that flow increases request；If summed result is less than 0, it is determined that current changes in flow rate request is stream
Amount reduces request；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
Optionally, before adjudicating matrix according to the flow and obtaining current changes in flow rate request, the method is also wrapped
It includes：
The factor is adjudicated for each of flow judgment matrix and assigns different weights, is then again adjudicated flow each in matrix
It sums again after the value and corresponding weight respectively quadrature of a judgement factor, if summed result is more than 0, it is determined that current
Changes in flow rate request is that flow increases request；If summed result is less than 0, it is determined that current changes in flow rate request is flow-reduction
Request；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
Optionally, current flow adjustment direction is determined according to the request of the changes in flow rate of acquisition, including：
If current changes in flow rate request is that flow increases request, it is determined that current flow adjustment direction is to increase flow
Direction；
If current changes in flow rate request is that flow-reduction is asked, it is determined that current flow adjustment direction is to reduce flow
Direction；
If current changes in flow rate request is that flow keeps request, it is determined that current flow adjustment direction is to keep flow
Direction.
Second aspect, the present invention also provides a kind of refrigeration flow control systems, including：
Acquiring unit is asked for obtaining the current changes in flow rate of refrigerator according to the current working condition of refrigerator；
Determination unit, for determining current flow adjustment direction according to the request of the changes in flow rate of acquisition；
Adjustment unit, for according to determining flow adjustment direction, the working condition of cooling assembly being adjusted, to realize target
Refrigeration effect.
The third aspect, the present invention also provides a kind of refrigerators, including above-mentioned refrigeration flow control system.
As shown from the above technical solution, refrigeration flow control methods of the present invention, first according to the current work of refrigerator
Make state and obtain the current changes in flow rate request of refrigerator, then determines that current flow adjusts according to the request of the changes in flow rate of acquisition
Direction adjusts the working condition of cooling assembly finally according to determining flow adjustment direction, to realize target refrigeration effect.It can
See, refrigeration flow control methods provided by the invention, can according to the instantaneous operating conditions of refrigerator to the refrigeration flow of refrigerator into
Row adjustment in real time, to realize the rapid and energy-saving of refrigeration for refrigerator.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the flow chart for the refrigeration flow control methods that first embodiment of the invention provides；
Fig. 2 is capillary pipeline switching schematic diagram；
Fig. 3 is the structural schematic diagram for the refrigeration flow control system that four embodiment of the invention provides.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention carries out clear, complete description, it is clear that described embodiment is
A 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
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 shows the flow chart for the refrigeration flow control methods that first embodiment of the invention provides, referring to Fig. 1, originally
The refrigeration flow control methods for inventing one embodiment offer include the following steps：
Step 101：The current changes in flow rate request of refrigerator is obtained according to the current working condition of refrigerator；
Step 102：Current flow adjustment direction is determined according to the request of the changes in flow rate of acquisition；
Step 103：According to determining flow adjustment direction, the working condition of cooling assembly is adjusted, to realize that target is freezed
Effect.
It is current according to refrigerator first by content above it is found that refrigeration flow control methods provided in an embodiment of the present invention
Working condition obtains the current changes in flow rate request of refrigerator, then determines current flow tune according to the request of the changes in flow rate of acquisition
Perfect square is to finally according to determining flow adjustment direction, adjusting the working condition of cooling assembly, to realize target refrigeration effect.
It, can be according to the instantaneous operating conditions of refrigerator to the system of refrigerator as it can be seen that refrigeration flow control methods provided in an embodiment of the present invention
Cold flow is adjusted in real time, to realize the rapid and energy-saving of refrigeration for refrigerator.
In second embodiment of the invention, the specific implementation of above-mentioned steps 103 is given.
In the present embodiment, the step 103 adjusts the work shape of cooling assembly according to determining flow adjustment direction
State is specifically included with realizing target refrigeration effect：
If it is determined that flow adjustment direction be increase flow direction, then improve the working condition of cooling assembly, with realize
Target refrigeration effect；
If it is determined that flow adjustment direction be reduce flow direction, then reduce the working condition of cooling assembly, with realize
Target refrigeration effect；
If it is determined that flow adjustment direction be keep flow direction, then keep the working condition of cooling assembly, with realize
Target refrigeration effect.
In a kind of optional embodiment, the working condition for improving cooling assembly, to realize target refrigeration effect, packet
It includes：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the capillary that is used before switching
Caliber it is thick, and/or, the flow velocity of the currently used capillary of velocity ratio is high；
And/or
Change the flow aperture of flow valve, wherein the flow of the preceding flow valve of flow opening ratio change of flow valve after change
Aperture is big.
Wherein, the variable flow valve of caliber is installed in the single circuit of refrigerator refrigeration system or series loop, passes through control
Device processed realizes the dynamic adjustment of caliber, changes purpose to reach flow dynamics.
Referring to Fig. 2, refrigerator refrigeration system has the capillary of plurality of specifications caliber and flow velocity, is connected on refrigeration system circuit
In, the switching of capillary is realized by connecting reversing arrangement.In Fig. 2 by taking 3 pipelines as an example, reversing arrangement can realize the only of pipeline
It is vertical open-minded, or combination is open-minded, to realize that the combination of flow exports control.
Assuming that currently used capillary is pipeline 1, then when needing to improve the working condition of cooling assembly, can cut
Pipeline 2 or pipeline 3 are shifted to, to improve refrigeration effect.It equally, can also be in conjunction with the flow aperture for increasing flow valve, with further
Improve refrigeration effect.
Here, flow aperture of the working condition in addition to the switching capillary and change flow valve mentioned of cooling assembly is improved
It can also realize by adjusting the working condition of the cooling assembly of other in refrigerator, evaporator or compressor are adjusted outside such as
It is whole etc..
In a kind of optional embodiment, the working condition for reducing cooling assembly, to realize target refrigeration effect, packet
It includes：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the capillary that is used before switching
Caliber it is thin, and/or, the flow velocity of the currently used capillary of velocity ratio is low；
And/or
Change the flow aperture of flow valve, wherein the flow of the preceding flow valve of flow opening ratio change of flow valve after change
Aperture is small.
Referring to Fig. 2, it is assumed that currently used capillary is pipeline 3, then when the working condition for needing reduction cooling assembly
When, pipeline 2 or pipeline 1 can be switched to, to reduce refrigeration effect.Equally, the flow aperture for reducing flow valve can also be combined,
To further decrease refrigeration effect, to avoid the occurrence of the problem of excessively freezing or wasting electric energy.
Here, flow aperture of the working condition in addition to the switching capillary and change flow valve mentioned of cooling assembly is reduced
It can also realize by adjusting the working condition of the cooling assembly of other in refrigerator, evaporator or compressor are adjusted outside such as
It is whole etc..
In third embodiment of the invention, the specific implementation of above-mentioned steps 101 is given.
In the present embodiment, above-mentioned steps 101 obtain the current changes in flow rate of refrigerator according to the current working condition of refrigerator
Request, specifically includes：
Flow is established according to the current working condition of refrigerator and adjudicates matrix, and adjudicating matrix according to the flow obtains currently
Changes in flow rate is asked.
In the present embodiment, matrix is adjudicated by establishing flow, then adjudicating matrix according to the flow of foundation obtains currently
Changes in flow rate request.
Wherein, each element in flow judgement matrix (the judgement factor) is the working condition related data current with refrigerator
Amount, therefore current changes in flow rate request can be obtained by adjudicating matrix according to the flow of foundation.
Here, the current working condition of refrigerator includes：Room temperature angle value, compartment temperature fluctuating range, ambient temperature value, ice
Case whether initially using, whether be refrigeration system test, whether user sets fast-refrigerating pattern or silent mode, compressor turns
Speed, rotation speed of fan, and/or, the difference etc. of room temperature angle value and target set point.Certainly, further include ambient humidity, user's setting
Other particular job patterns etc., just no longer illustrate one by one here.
In a kind of optional embodiment, flow is established according to the current working condition of refrigerator and adjudicates matrix, according to described
Flow judgement matrix obtains current changes in flow rate request, including：
Flow, which is established, according to the current working condition of refrigerator adjudicates matrix；
Wherein, include and the relevant judgement factor of room temperature angle value and compartment temperature wave in the flow judgement matrix
Whether the relevant judgement factor of dynamic amplitude initially uses relevant judgement with the relevant judgement factor of ambient temperature value, with refrigerator
The factor, with whether be that refrigeration system tests the relevant judgement factor and whether user sets fast-refrigerating pattern or silent mode
The relevant judgement factor, with the relevant judgement factor of compressor rotary speed, and the relevant judgement factor of rotation speed of fan, and/or, with
Room temperature angle value and the relevant judgement factor of the difference of target set point；
Wherein, when room temperature angle value be more than the first compartment temperature threshold value when with the relevant judgement factor value of room temperature angle value
It is 1；When room temperature angle value is less than second compartment temperature threshold and the relevant judgement factor value of room temperature angle value is -1；When
Room temperature angle value be more than second compartment temperature threshold and less than the first compartment temperature threshold value when with the relevant judgement of room temperature angle value because
Sub- value is 0；
Wherein, related to compartment temperature fluctuating range when compartment temperature fluctuating range is greater than or equal to the first amplitude threshold
Judgement factor value be 1, when compartment temperature fluctuating range be less than the first amplitude threshold when it is related to compartment temperature fluctuating range
Judgement factor value be 0；
Wherein, when ambient temperature value be more than first environment temperature threshold when with the relevant judgement factor value of ambient temperature value
It is 1；When ambient temperature value is less than second environment temperature threshold and the relevant judgement factor value of ambient temperature value is -1；Work as ring
Border temperature value be more than second environment temperature threshold and less than first environment temperature threshold when with the relevant judgement of ambient temperature value because
Sub- value is 0；
Wherein, it is 1 whether initially to use relevant judgement factor value with refrigerator when refrigerator is initially to use, and works as refrigerator
For non-initial use when with refrigerator whether the use of relevant judgement factor value is initially 0；
Wherein, when refrigerator is in refrigeration system test mode with whether be that refrigeration system is tested the relevant judgement factor and taken
Whether value is 1, and be that the relevant judgement factor value of refrigeration system test is when refrigerator be in uncooled systems test mode
0；
Wherein, fast-refrigerating pattern whether is set to user or silent mode is related when user sets fast-refrigerating pattern
Judgement factor value be 1, with user whether set fast-refrigerating pattern or silent mode phase when user sets silent mode
The judgement factor value of pass is 0；
Wherein, when compressor rotary speed is within the scope of the first compressor rotary speed with the relevant judgement factor of compressor rotary speed
Value is 1, when compressor rotary speed is within the scope of the second compressor rotary speed with the relevant judgement factor value of compressor rotary speed
It is 0, when compressor rotary speed is within the scope of third compressor rotary speed and the relevant judgement factor value of compressor rotary speed is -1；
Wherein, it is with the relevant judgement factor value of rotation speed of fan when rotation speed of fan is within the scope of the first rotation speed of fan
1, when rotation speed of fan is within the scope of the second rotation speed of fan and the relevant judgement factor value of rotation speed of fan is 0, when wind turbine turns
When speed is within the scope of third rotation speed of fan and the relevant judgement factor value of rotation speed of fan is -1；
Wherein, when room temperature angle value and the difference of target set point are just and less than or equal to the first difference threshold, with
Room temperature angle value and the relevant judgement factor value of the difference of target set point are 0, when room temperature angle value and target set point
It is 1 with the relevant judgement factor value of the difference of room temperature angle value and target set point when difference is more than the first difference threshold, when
When room temperature angle value and the difference of target set point are negative, the relevant judgement of difference with room temperature angle value and target set point because
Sub- value is -1；
The value that the flow is adjudicated to each judgement factor in matrix is summed, if summed result is more than 0, it is determined that
Current changes in flow rate request is that flow increases request；If summed result is less than 0, it is determined that current changes in flow rate request is stream
Amount reduces request；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
For example, including and the relevant judgement factor a of room temperature angle value in the flow judgement matrix F1With compartment temperature
The relevant judgement factor a of fluctuating range2And the relevant judgement factor a of ambient temperature value3, with refrigerator whether initially use it is relevant
Adjudicate factor a4And whether it is that refrigeration system tests relevant judgement factor a5, fast-refrigerating pattern or quiet whether is set with user
The relevant judgement factor a of sound pattern6And the relevant judgement factor a of compressor rotary speed7And the relevant judgement factor of rotation speed of fan
a8, and/or, with the relevant judgement factor a of the difference of room temperature angle value and target set point9；
Assuming that the current working condition of refrigerator is：Room temperature angle value be 18 DEG C, 6 DEG C of compartment temperature fluctuating range, environment temperature
Angle value is 25 DEG C, refrigerator it is non-initial use, refrigerator is not in refrigeration system test, user silent mode, compressor rotary speed are
4500rpm, rotation speed of fan be 700 turns, the difference of room temperature angle value and target set point (such as set by user is 14 DEG C) is 4
℃。
Assuming that the first compartment temperature threshold value is 16 DEG C, second compartment temperature threshold is 10 DEG C, and the first amplitude threshold is 3 DEG C,
First environment temperature threshold is 26 DEG C, and second environment temperature threshold is 0 DEG C, the first compressor rotary speed ranging from 1000~
2000rpm, the second compressor rotary speed ranging from 2001~4500rpm；Third compressor rotary speed ranging from 4501~5000rpm,
Ranging from 100~500 turns of first rotation speed of fan, ranging from 501~600 turns of the second rotation speed of fan, third rotation speed of fan is ranging from
601~800 turns, the first difference threshold is 2 DEG C.
The value of the judgement factor is in the so described flow judgement matrix F：
The value that the flow is adjudicated to each judgement factor in matrix F is summed, summed result 2, it is determined that when
Preceding changes in flow rate request is that flow increases request, should improve the working condition of cooling assembly at this time, to realize target refrigeration effect
Fruit.Such as switch to the capillary of other pipelines so that the caliber of the capillary after switching is than the pipe of the capillary used before switching
Diameter is thick, and/or, the flow velocity of the currently used capillary of velocity ratio is high；
And/or
Change the flow aperture of flow valve so that the flow of flow valve is opened before the flow opening ratio change of flow valve after change
It spends big etc..
In a kind of optional embodiment, in order to enable flow control result is more accurate, adjudicated according to the flow
Before matrix obtains current changes in flow rate request, the method further includes：
The factor is adjudicated for each of flow judgment matrix and assigns different weights, is then again adjudicated flow each in matrix
It sums again after the value and corresponding weight respectively quadrature of a judgement factor, if summed result is more than 0, it is determined that current
Changes in flow rate request is that flow increases request；If summed result is less than 0, it is determined that current changes in flow rate request is flow-reduction
Request；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
For example, it is assumed that the current working condition of refrigerator is：Room temperature angle value is 11 DEG C, compartment temperature fluctuating range 0
DEG C, ambient temperature value be 25 DEG C, refrigerator it is non-initial use, refrigerator be in refrigeration system test, user silent mode, compressor
Rotating speed is 4500rpm, rotation speed of fan is 700 turns, the difference of room temperature angle value and target set point (such as set by user is 13 DEG C)
Value is -2 DEG C.
Assuming that the first compartment temperature threshold value is 16 DEG C, second compartment temperature threshold is 10 DEG C, and the first amplitude threshold is 3 DEG C,
First environment temperature threshold is 26 DEG C, and second environment temperature threshold is 0 DEG C, the first compressor rotary speed ranging from 1000~
2000rpm, the second compressor rotary speed ranging from 2001~4500rpm；Third compressor rotary speed ranging from 4501~5000rpm,
Ranging from 100~500 turns of first rotation speed of fan, ranging from 501~600 turns of the second rotation speed of fan, third rotation speed of fan is ranging from
601~800 turns, the first difference threshold is 2 DEG C.
It is so following F according to the judgement matrix that the current working condition of refrigerator obtains1：
In this case, if the flow is directly adjudicated matrix F1In it is each judgement the factor value sum, ask
It is -1 with result, it is determined that current changes in flow rate request is that flow reduces request, should reduce the work shape of cooling assembly at this time
State.If certain commonly used situation, current refrigerator will reduce the working condition of cooling assembly really, because compartment temperature is less than
Temperature set by user, rotation speed of fan are also higher.But due to being currently in refrigeration system test mode, so when more think
The purpose reached is：The refrigeration effect most Canon of test refrigerator reaches any temperature.And it is not desired to reduce the work of cooling assembly at this time
Make state, therefore can solve to encounter under refrigeration system test mode by way of weight is arranged in this case above-mentioned
Problem.For example, will with whether be that refrigeration system tests relevant judgement factor a5Weight be set as 0.6, and by other judgements
Factor a1、a2、a3、a4、a6、a7、a8And a9Weight be respectively set to 0.05.So sentence at this time by each in flow judgement matrix
It certainly sums again after the value of the factor and corresponding weight respectively quadrature, it is 0*0.05+0*0.05+0* to obtain summed result
0.05+0*0.05+1*0.6+0*0.05+0*0.05+ (- 1) * 0.05+ (- 1) * 0.05=0.5, so when determine current flow
Change request is that flow increases request, therefore meets the demand of current refrigeration system testing.
Wherein, the weight of each judgement factor can need to be arranged according to real work, unfixed to require, and only meet
All the sum of the weight of the judgement factor is equal to 1.
In a kind of optional embodiment, above-mentioned steps 102 determine current flow according to the request of the changes in flow rate of acquisition
Adjustment direction, including：
If current changes in flow rate request is that flow increases request, it is determined that current flow adjustment direction is to increase flow
Direction；
If current changes in flow rate request is that flow-reduction is asked, it is determined that current flow adjustment direction is to reduce flow
Direction；
If current changes in flow rate request is that flow keeps request, it is determined that current flow adjustment direction is to keep flow
Direction.
Four embodiment of the invention provides a kind of refrigeration flow control system, and referring to Fig. 3, which includes：It obtains
Unit 100, determination unit 200 and adjustment unit 300, wherein：
Acquiring unit 100 is asked for obtaining the current changes in flow rate of refrigerator according to the current working condition of refrigerator；
Determination unit 200, for determining current flow adjustment direction according to the request of the changes in flow rate of acquisition；
Adjustment unit 300, for according to determining flow adjustment direction, adjusting the working condition of cooling assembly, to realize
Target refrigeration effect.
In a kind of optional embodiment, the adjustment unit 300 specifically executes following work：
If it is determined that flow adjustment direction be increase flow direction, then improve the working condition of cooling assembly, with realize
Target refrigeration effect；
If it is determined that flow adjustment direction be reduce flow direction, then reduce the working condition of cooling assembly, with realize
Target refrigeration effect；
If it is determined that flow adjustment direction be keep flow direction, then keep the working condition of cooling assembly, with realize
Target refrigeration effect.
In a kind of optional embodiment, the adjustment unit 300 is specifically held when improving the working condition of cooling assembly
The following work of row：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the capillary that is used before switching
Caliber it is thick, and/or, the flow velocity of the currently used capillary of velocity ratio is high；
And/or
Change the flow aperture of flow valve, wherein the flow of the preceding flow valve of flow opening ratio change of flow valve after change
Aperture is big.
In a kind of optional embodiment, the adjustment unit 300 is specifically held when reducing the working condition of cooling assembly
The following work of row：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the capillary that is used before switching
Caliber it is thin, and/or, the flow velocity of the currently used capillary of velocity ratio is low；
And/or
Change the flow aperture of flow valve, wherein the flow of the preceding flow valve of flow opening ratio change of flow valve after change
Aperture is small.
In a kind of optional embodiment, the acquiring unit 100 is specifically used for being built according to the current working condition of refrigerator
Vertical flow adjudicates matrix, and adjudicates matrix according to the flow and obtain current changes in flow rate request.
In a kind of optional embodiment, the acquiring unit 100 is establishing flow according to the current working condition of refrigerator
It is specific to execute following work when adjudicating matrix, and current changes in flow rate request is obtained according to flow judgement matrix：
Flow, which is established, according to the current working condition of refrigerator adjudicates matrix；
Wherein, include and the relevant judgement factor of room temperature angle value and compartment temperature wave in the flow judgement matrix
Whether the relevant judgement factor of dynamic amplitude initially uses relevant judgement with the relevant judgement factor of ambient temperature value, with refrigerator
The factor, with whether be that refrigeration system tests the relevant judgement factor and whether user sets fast-refrigerating pattern or silent mode
The relevant judgement factor, with the relevant judgement factor of compressor rotary speed, and the relevant judgement factor of rotation speed of fan, and/or, with
Room temperature angle value and the relevant judgement factor of the difference of target set point；
Wherein, when room temperature angle value be more than the first compartment temperature threshold value when with the relevant judgement factor value of room temperature angle value
It is 1；When room temperature angle value is less than second compartment temperature threshold and the relevant judgement factor value of room temperature angle value is -1；When
Room temperature angle value be more than second compartment temperature threshold and less than the first compartment temperature threshold value when with the relevant judgement of room temperature angle value because
Sub- value is 0；
Wherein, related to compartment temperature fluctuating range when compartment temperature fluctuating range is greater than or equal to the first amplitude threshold
Judgement factor value be 1, when compartment temperature fluctuating range be less than the first amplitude threshold when it is related to compartment temperature fluctuating range
Judgement factor value be 0；
Wherein, when ambient temperature value be more than first environment temperature threshold when with the relevant judgement factor value of ambient temperature value
It is 1；When ambient temperature value is less than second environment temperature threshold and the relevant judgement factor value of ambient temperature value is -1；Work as ring
Border temperature value be more than second environment temperature threshold and less than first environment temperature threshold when with the relevant judgement of ambient temperature value because
Sub- value is 0；
Wherein, it is 1 whether initially to use relevant judgement factor value with refrigerator when refrigerator is initially to use, and works as refrigerator
For non-initial use when with refrigerator whether the use of relevant judgement factor value is initially 0；
Wherein, when refrigerator is in refrigeration system test mode with whether be that refrigeration system is tested the relevant judgement factor and taken
Whether value is 1, and be that the relevant judgement factor value of refrigeration system test is when refrigerator be in uncooled systems test mode
0；
Wherein, fast-refrigerating pattern whether is set to user or silent mode is related when user sets fast-refrigerating pattern
Judgement factor value be 1, with user whether set fast-refrigerating pattern or silent mode phase when user sets silent mode
The judgement factor value of pass is 0；
Wherein, when compressor rotary speed is within the scope of the first compressor rotary speed with the relevant judgement factor of compressor rotary speed
Value is 1, when compressor rotary speed is within the scope of the second compressor rotary speed with the relevant judgement factor value of compressor rotary speed
It is 0, when compressor rotary speed is within the scope of third compressor rotary speed and the relevant judgement factor value of compressor rotary speed is -1；
Wherein, it is with the relevant judgement factor value of rotation speed of fan when rotation speed of fan is within the scope of the first rotation speed of fan
1, when rotation speed of fan is within the scope of the second rotation speed of fan and the relevant judgement factor value of rotation speed of fan is 0, when wind turbine turns
When speed is within the scope of third rotation speed of fan and the relevant judgement factor value of rotation speed of fan is -1；
Wherein, when room temperature angle value and the difference of target set point are less than or equal to the first difference threshold, with room temperature
Angle value and the relevant judgement factor value of the difference of target set point are -1, when the difference of room temperature angle value and target set point is big
It is 1 with the relevant judgement factor value of the difference of room temperature angle value and target set point when the first difference threshold；
The value that the flow is adjudicated to each judgement factor in matrix is summed, if summed result is more than 0, it is determined that
Current changes in flow rate request is that flow increases request；If summed result is less than 0, it is determined that current changes in flow rate request is stream
Amount reduces request；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
In a kind of optional embodiment, the acquiring unit 100 is additionally operable to as each judgement in flow judgment matrix
The factor assigns different weights, and then value that flow is adjudicated to each judgement factor in matrix again is asked respectively with corresponding weight
It sums again after product, if summed result is more than 0, it is determined that current changes in flow rate request is that flow increases request；If summation
As a result it is less than 0, it is determined that current changes in flow rate request is that flow-reduction is asked；If summed result is equal to 0, it is determined that current
Changes in flow rate request is that flow keeps request.
In a kind of optional embodiment, the determination unit 200 is specifically used for executing following work：
If current changes in flow rate request is that flow increases request, it is determined that current flow adjustment direction is to increase flow
Direction；
If current changes in flow rate request is that flow-reduction is asked, it is determined that current flow adjustment direction is to reduce flow
Direction；
If current changes in flow rate request is that flow keeps request, it is determined that current flow adjustment direction is to keep flow
Direction.
Refrigeration flow control system provided in an embodiment of the present invention can be used for executing the flow control described in above-described embodiment
Method processed, principle is similar with technique effect, and and will not be described here in detail.
Based on identical inventive concept, fifth embodiment of the invention provides a kind of refrigerator, which includes above-mentioned reality
Apply the refrigeration flow control system described in example.
Refrigeration flow control system due to refrigerator provided in this embodiment, including described in above-described embodiment, therefore this reality
The refrigerator for applying example offer has the technique effect similar with the refrigeration flow control system that above-described embodiment provides, can basis
The instantaneous operating conditions of refrigerator adjust the refrigeration flow of refrigerator in real time, to realize the rapid of refrigeration for refrigerator and section
Energyization.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "upper", "lower" is base
It in orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply
Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this
The limitation of invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, can also be to be electrically connected
It connects；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above example is only used to illustrate the technical scheme of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these are changed or replace
It changes, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of refrigeration flow control methods, which is characterized in that including：
The current changes in flow rate request of refrigerator is obtained according to the current working condition of refrigerator；
Current flow adjustment direction is determined according to the request of the changes in flow rate of acquisition；
According to determining flow adjustment direction, the working condition of cooling assembly is adjusted, to realize target refrigeration effect；
Wherein, the working condition current according to refrigerator obtains the current changes in flow rate request of refrigerator, including：
Flow is established according to the current working condition of refrigerator and adjudicates matrix, and matrix is adjudicated according to the flow and obtains current stream
Measure change request；
Wherein, the working condition current according to refrigerator establishes flow judgement matrix, and adjudicates matrix according to the flow and obtain
Current changes in flow rate is taken to ask, including：
Flow, which is established, according to the current working condition of refrigerator adjudicates matrix；
Wherein, include to fluctuate width with the relevant judgement factor of room temperature angle value, with compartment temperature in the flow judgement matrix
Spend the relevant judgement factor, with the relevant judgement factor of ambient temperature value, with refrigerator whether initially use the relevant judgement factor,
With whether be that refrigeration system tests the relevant judgement factor, whether sets fast-refrigerating pattern with user or silent mode is relevant
The factor and the relevant judgement factor of compressor rotary speed and the relevant judgement factor of rotation speed of fan are adjudicated, and/or, with compartment temperature
The relevant judgement factor of difference of value and target set point；
Wherein, it is 1 with the relevant judgement factor value of room temperature angle value when room temperature angle value is more than the first compartment temperature threshold value；
When room temperature angle value is less than second compartment temperature threshold and the relevant judgement factor value of room temperature angle value is -1；Work as room temperature
Angle value is more than second compartment temperature threshold and is taken with the relevant judgement factor of room temperature angle value when being less than the first compartment temperature threshold value
Value is 0；
Wherein, when compartment temperature fluctuating range is greater than or equal to the first amplitude threshold with compartment temperature fluctuating range is relevant sentences
Certainly factor value is 1, when compartment temperature fluctuating range is less than the first amplitude threshold with compartment temperature fluctuating range is relevant sentences
Certainly factor value is 0；
Wherein, it is 1 with the relevant judgement factor value of ambient temperature value when ambient temperature value is more than first environment temperature threshold；
When ambient temperature value is less than second environment temperature threshold and the relevant judgement factor value of ambient temperature value is -1；When environment temperature
Angle value is more than second environment temperature threshold and is taken with the relevant judgement factor of ambient temperature value when being less than first environment temperature threshold
Value is 0；
Wherein, it is 1 whether initially to use relevant judgement factor value with refrigerator when refrigerator is initially to use, when refrigerator is non-
When initial use and whether refrigerator is initially 0 using relevant judgement factor value；
Wherein, when refrigerator is in refrigeration system test mode with whether be that refrigeration system tests relevant judgement factor value and is
1, and whether it is that test relevant judgement factor value be 0 to refrigeration system when refrigerator is in uncooled systems test mode；
Wherein, fast-refrigerating pattern whether is set with user or silent mode is relevant sentences when user sets fast-refrigerating pattern
Certainly factor value is 1, whether sets fast-refrigerating pattern with user when user sets silent mode or silent mode is relevant
It is 0 to adjudicate factor value；
Wherein, when compressor rotary speed is within the scope of the first compressor rotary speed with the relevant judgement factor value of compressor rotary speed
It is 1, when compressor rotary speed is within the scope of the second compressor rotary speed and the relevant judgement factor value of compressor rotary speed is 0,
When compressor rotary speed is within the scope of third compressor rotary speed and the relevant judgement factor value of compressor rotary speed is -1；
Wherein, it is 1 with the relevant judgement factor value of rotation speed of fan when rotation speed of fan is within the scope of the first rotation speed of fan, when
When rotation speed of fan is within the scope of the second rotation speed of fan and the relevant judgement factor value of rotation speed of fan is 0, at rotation speed of fan
When within the scope of third rotation speed of fan and the relevant judgement factor value of rotation speed of fan is -1；
Wherein, when room temperature angle value and the difference of target set point are less than or equal to the first difference threshold, with room temperature angle value
It is -1 with the relevant judgement factor value of the difference of target set point, when room temperature angle value and the difference of target set point are more than the
It is 1 with the relevant judgement factor value of the difference of room temperature angle value and target set point when one difference threshold；
The value that the flow is adjudicated to each judgement factor in matrix is summed, if summed result is more than 0, it is determined that current
Changes in flow rate request be flow increase request；If summed result is less than 0, it is determined that current changes in flow rate request is that flow drops
Low request；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
2. according to the method described in claim 1, it is characterized in that, described according to determining flow adjustment direction, adjustment refrigeration
The working condition of component, to realize target refrigeration effect, including：
If it is determined that flow adjustment direction be increase flow direction, then the working condition of cooling assembly is improved, to realize target
Refrigeration effect；
If it is determined that flow adjustment direction be reduce flow direction, then the working condition of cooling assembly is reduced, to realize target
Refrigeration effect；
If it is determined that flow adjustment direction be keep present flow rate direction, then keep the working condition of cooling assembly, with realize
Target refrigeration effect.
3. according to the method described in claim 2, it is characterized in that, it is described improve cooling assembly working condition, to realize mesh
Refrigeration effect is marked, including：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the pipe of the capillary used before switching
Diameter is thick, and/or, the flow velocity of the currently used capillary of velocity ratio is high；
And/or
Change the flow aperture of flow valve, wherein the flow aperture of the preceding flow valve of flow opening ratio change of flow valve after change
Greatly.
4. according to the method described in claim 2, it is characterized in that, it is described reduce cooling assembly working condition, to realize mesh
Refrigeration effect is marked, including：
Switch to the capillary of other pipelines, wherein the caliber of the capillary after switching is than the pipe of the capillary used before switching
Diameter is thin, and/or, the flow velocity of the currently used capillary of velocity ratio is low；
And/or
Change the flow aperture of flow valve, wherein the flow aperture of the preceding flow valve of flow opening ratio change of flow valve after change
It is small.
5. according to the method described in claim 1, it is characterized in that, obtaining current flow adjudicating matrix according to the flow
Before change request, the method further includes：
The factor is adjudicated for each of flow judgment matrix and assigns different weights, is then sentenced again by each in flow judgement matrix
It certainly sums again after the value of the factor and corresponding weight respectively quadrature, if summed result is more than 0, it is determined that current flow
Change request is that flow increases request；If summed result is less than 0, it is determined that current changes in flow rate request is asked for flow-reduction
It asks；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
6. method according to claim 1 or 5, which is characterized in that determined currently according to the request of the changes in flow rate of acquisition
Flow adjustment direction, including：
If current changes in flow rate request is that flow increases request, it is determined that current flow adjustment direction is the side for increasing flow
To；
If current changes in flow rate request is that flow-reduction is asked, it is determined that current flow adjustment direction is the side for reducing flow
To；
If current changes in flow rate request is that flow keeps request, it is determined that current flow adjustment direction is the side for keeping flow
To.
7. a kind of refrigeration flow control system, which is characterized in that including：
Acquiring unit is asked for obtaining the current changes in flow rate of refrigerator according to the current working condition of refrigerator；
Determination unit, for determining current flow adjustment direction according to the request of the changes in flow rate of acquisition；
Adjustment unit, for according to determining flow adjustment direction, adjusting the working condition of cooling assembly, to realize that target is freezed
Effect；
Wherein, the acquiring unit is specifically used for：
Flow is established according to the current working condition of refrigerator and adjudicates matrix, and matrix is adjudicated according to the flow and obtains current stream
Measure change request；
Wherein, the acquiring unit is establishing flow judgement matrix according to the current working condition of refrigerator, and according to the flow
When judgement matrix obtains current changes in flow rate request, it is specifically used for：
Flow, which is established, according to the current working condition of refrigerator adjudicates matrix；
Wherein, include to fluctuate width with the relevant judgement factor of room temperature angle value, with compartment temperature in the flow judgement matrix
Spend the relevant judgement factor, with the relevant judgement factor of ambient temperature value, with refrigerator whether initially use the relevant judgement factor,
With whether be that refrigeration system tests the relevant judgement factor, whether sets fast-refrigerating pattern with user or silent mode is relevant
The factor and the relevant judgement factor of compressor rotary speed and the relevant judgement factor of rotation speed of fan are adjudicated, and/or, with compartment temperature
The relevant judgement factor of difference of value and target set point；
Wherein, it is 1 with the relevant judgement factor value of room temperature angle value when room temperature angle value is more than the first compartment temperature threshold value；
When room temperature angle value is less than second compartment temperature threshold and the relevant judgement factor value of room temperature angle value is -1；Work as room temperature
Angle value is more than second compartment temperature threshold and is taken with the relevant judgement factor of room temperature angle value when being less than the first compartment temperature threshold value
Value is 0；
Wherein, when compartment temperature fluctuating range is greater than or equal to the first amplitude threshold with compartment temperature fluctuating range is relevant sentences
Certainly factor value is 1, when compartment temperature fluctuating range is less than the first amplitude threshold with compartment temperature fluctuating range is relevant sentences
Certainly factor value is 0；
Wherein, it is 1 with the relevant judgement factor value of ambient temperature value when ambient temperature value is more than first environment temperature threshold；
When ambient temperature value is less than second environment temperature threshold and the relevant judgement factor value of ambient temperature value is -1；When environment temperature
Angle value is more than second environment temperature threshold and is taken with the relevant judgement factor of ambient temperature value when being less than first environment temperature threshold
Value is 0；
Wherein, it is 1 whether initially to use relevant judgement factor value with refrigerator when refrigerator is initially to use, when refrigerator is non-
When initial use and whether refrigerator is initially 0 using relevant judgement factor value；
Wherein, when refrigerator is in refrigeration system test mode with whether be that refrigeration system tests relevant judgement factor value and is
1, and whether it is that test relevant judgement factor value be 0 to refrigeration system when refrigerator is in uncooled systems test mode；
Wherein, fast-refrigerating pattern whether is set with user or silent mode is relevant sentences when user sets fast-refrigerating pattern
Certainly factor value is 1, whether sets fast-refrigerating pattern with user when user sets silent mode or silent mode is relevant
It is 0 to adjudicate factor value；
Wherein, when compressor rotary speed is within the scope of the first compressor rotary speed with the relevant judgement factor value of compressor rotary speed
It is 1, when compressor rotary speed is within the scope of the second compressor rotary speed and the relevant judgement factor value of compressor rotary speed is 0,
When compressor rotary speed is within the scope of third compressor rotary speed and the relevant judgement factor value of compressor rotary speed is -1；
Wherein, it is 1 with the relevant judgement factor value of rotation speed of fan when rotation speed of fan is within the scope of the first rotation speed of fan, when
When rotation speed of fan is within the scope of the second rotation speed of fan and the relevant judgement factor value of rotation speed of fan is 0, at rotation speed of fan
When within the scope of third rotation speed of fan and the relevant judgement factor value of rotation speed of fan is -1；
Wherein, when room temperature angle value and the difference of target set point are less than or equal to the first difference threshold, with room temperature angle value
It is -1 with the relevant judgement factor value of the difference of target set point, when room temperature angle value and the difference of target set point are more than the
It is 1 with the relevant judgement factor value of the difference of room temperature angle value and target set point when one difference threshold；
The value that the flow is adjudicated to each judgement factor in matrix is summed, if summed result is more than 0, it is determined that current
Changes in flow rate request be flow increase request；If summed result is less than 0, it is determined that current changes in flow rate request is that flow drops
Low request；If summed result is equal to 0, it is determined that current changes in flow rate request is that flow keeps request.
8. a kind of refrigerator, which is characterized in that including flow control system of freezing as claimed in claim 7.
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|---|---|---|---|
| CN201610619083.1A CN106247751B (en) | 2016-07-29 | 2016-07-29 | Freeze flow control methods, system and refrigerator |
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| CN108759192B (en) * | 2018-06-20 | 2020-10-09 | 合肥美的电冰箱有限公司 | On-off detector of refrigeration loop, refrigeration system, refrigerator and refrigeration detection method |
| CN111457647A (en) * | 2020-01-16 | 2020-07-28 | 天津商业大学 | Freezer control system for reducing continuous defrosting temperature fluctuation |
| CN111306848A (en) * | 2020-03-20 | 2020-06-19 | 合肥美的电冰箱有限公司 | Method and device for identifying abnormal switching of electric valve and refrigeration equipment |
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| CN1530618A (en) * | 2003-03-12 | 2004-09-22 | 乐金电子(天津)电器有限公司 | Running method of refrigerator load capacity |
| CN204944000U (en) * | 2015-07-10 | 2016-01-06 | 合肥晶弘电器有限公司 | A kind of three capillary electric control refrigerator |
| CN105674610A (en) * | 2016-01-29 | 2016-06-15 | 合肥美的电冰箱有限公司 | Refrigerant flow control method and system and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9696077B2 (en) * | 2012-02-21 | 2017-07-04 | Whirlpool Corporation | Dual capillary tube / heat exchanger in combination with cycle priming for reducing charge migration |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530618A (en) * | 2003-03-12 | 2004-09-22 | 乐金电子(天津)电器有限公司 | Running method of refrigerator load capacity |
| CN204944000U (en) * | 2015-07-10 | 2016-01-06 | 合肥晶弘电器有限公司 | A kind of three capillary electric control refrigerator |
| CN105674610A (en) * | 2016-01-29 | 2016-06-15 | 合肥美的电冰箱有限公司 | Refrigerant flow control method and system and refrigerator |
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