CN106123413A - Prevent the method and device that electric expansion valve is stuck - Google Patents
Prevent the method and device that electric expansion valve is stuck Download PDFInfo
- Publication number
- CN106123413A CN106123413A CN201610442974.4A CN201610442974A CN106123413A CN 106123413 A CN106123413 A CN 106123413A CN 201610442974 A CN201610442974 A CN 201610442974A CN 106123413 A CN106123413 A CN 106123413A
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- China
- Prior art keywords
- expansion valve
- electric expansion
- air
- conditioner
- reset
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a kind of method preventing electric expansion valve stuck, including step: after air-conditioning is opened, it is judged that whether air-conditioner electric expansion valve resets；When air-conditioner electric expansion valve does not resets, control described electric expansion valve and rotate backward first and preset step number with by electric expansion valve zero setting；After described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening operation, complete the reset operation of electric expansion valve.The invention also discloses a kind of device preventing electric expansion valve stuck.Present invention reduces the probability that electric expansion valve is stuck, decrease quality and complain, improve the Experience Degree of product.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to the method and device preventing electric expansion valve stuck.
Background technology
Along with social progress, increasing employing electric expansion valve realizes throttling, to promote the comfortableness used.Electricity
Sub-expansion valve is precise part, and its service life and reliability requirement are higher.And the quality of electric expansion valve is very different, part
, in actual use, easily there is stuck problem in brand that quality does not passes a test and sample.It is being to use machine room especially
Occasion or the domestic consumer of developed country, after air-conditioning drives, the most non-stop-machine, use throughout the year, electric expansion valve exists
During this, constantly it is adjusted, especially frequently occurs the homing action of spool, add electric expansion valve and occur stuck general
Rate, causes quality to complain.
Foregoing is only used for auxiliary and understands technical scheme, does not represent and recognizes that foregoing is existing skill
Art.
Summary of the invention
Present invention is primarily targeted at a kind of method and device preventing electric expansion valve stuck of offer, it is intended to solve mesh
Front electric expansion valve is constantly adjusted, and especially frequently occurs the homing action of spool, adds electric expansion valve and occurs stuck
Probability, cause the problem that quality is complained.
For achieving the above object, a kind of method preventing electric expansion valve stuck that the present invention provides, including step:
After air-conditioning is opened, it is judged that whether air-conditioner electric expansion valve resets；
When air-conditioner electric expansion valve does not resets, control described electric expansion valve rotate backward first preset step number with will
Electric expansion valve zero setting；
After described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening operation, complete
The reset operation of electric expansion valve.
Preferably, described method also includes:
After compressor of air conditioner is out of service, controls described electric expansion valve and rotate forward to second and preset step number；
When the first Preset Time arrives, control electric expansion valve rotates backward described first and presets step number so that electronics is swollen
Swollen valve zero setting；
After controlling described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening, and protect
Hold described initial opening, be set to reset by the attribute of the mark that resets.
Preferably, the step that whether the described electric expansion valve judging air-conditioner resets includes:
Obtain the reset mark of air-conditioner electric expansion valve；
When described reset is designated and does not resets mark, or unsuccessful in the second Preset Time get described reset
During mark, it is judged that air-conditioner electric expansion valve does not resets；
When air-conditioner reset being designated and resetting mark, it is judged that air-conditioner electric expansion valve resets.
Preferably, when air-conditioner powers on first, described method also includes:
It is spaced the 3rd Preset Time to control the compressor of air-conditioner and open and run, and with default frequency or pre-set
Frequency is run.
Preferably, described method also includes:
When air-conditioner is in fast inspection pattern, perform the reset operation of electric expansion valve.
Preferably, described method also includes:
When compressor at air-conditioner is in the operation phase reaching close, do not perform the reset operation of electric expansion valve, control
Electric expansion valve processed turns to second and presets step number, and turns to described initial opening after being spaced the first Preset Time.
Additionally, for achieving the above object, the present invention also provides for a kind of device preventing electric expansion valve stuck, including:
Judge module, after opening at air-conditioning, it is judged that whether air-conditioner electric expansion valve resets；
Control module, for when air-conditioner electric expansion valve does not resets, controls described electric expansion valve and rotates backward the
One presets step number with by electric expansion valve zero setting；Control module is additionally operable to
After described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening operation, complete
The reset operation of electric expansion valve.
Preferably, also include arranging module,
Described control module, is additionally operable to after compressor of air conditioner is out of service, controls described electric expansion valve and rotates forward
Step number is preset to second；First Preset Time arrive time, control electric expansion valve rotate backward described first preset step number with
By electric expansion valve zero setting；After controlling described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initially
Aperture, and keep described initial opening；
Described module is set, for being set to reset by the attribute of the mark that resets.
Preferably, described judge module includes: acquiring unit, for obtaining the reset mark of air-conditioner electric expansion valve；
Judging unit, for when described reset is designated and does not resets mark or unsuccessful in the second Preset Time
When getting described reset mark, it is judged that air-conditioner electric expansion valve does not resets；Judging unit is additionally operable to reset at air-conditioner mark
When knowledge identifies for having resetted, it is judged that air-conditioner electric expansion valve resets.
Preferably, when air-conditioner powers on first, described control module, it is additionally operable to be spaced the 3rd Preset Time and controls air-conditioning
The compressor of device is opened and is run, and runs with default frequency or the frequency that pre-sets.
Preferably, when air-conditioner is in fast inspection pattern, perform the reset operation of electric expansion valve.
Preferably, described control module, it is additionally operable to, when the compressor of air-conditioner is in the operation phase reaching close, control
Electric expansion valve turns to second and presets step number, and turns to described initial opening after being spaced the first Preset Time.
The present invention be electric expansion valve arrange reset mark, it is not necessary in operation of air conditioner in running repetitious enter
The reset operation of row electric expansion valve, and in reset operating process, first control electric expansion valve rerun to just to initial position
Beginning aperture completes the operation that resets, and reduces the probability that electric expansion valve is stuck, decreases quality and complains, improves the experience of product
Degree.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the present invention prevents the first embodiment of the stuck method of electric expansion valve；
Fig. 2 is to judge the schematic flow sheet whether electric expansion valve resets in one embodiment of the invention；
Fig. 3 is the schematic flow sheet that the present invention prevents the second embodiment of the stuck method of electric expansion valve；
Fig. 4 is the schematic flow sheet that the present invention prevents the 3rd embodiment of the stuck method of electric expansion valve；
Fig. 5 is the high-level schematic functional block diagram that the present invention prevents the first embodiment of the stuck device of electric expansion valve；
Fig. 6 is the refinement high-level schematic functional block diagram of judge module one embodiment in Fig. 5；
Fig. 7 is the high-level schematic functional block diagram that the present invention prevents the second embodiment of the stuck device of electric expansion valve.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
It is the schematic flow sheet that the present invention prevents the first embodiment of the stuck method of electric expansion valve with reference to Fig. 1, Fig. 1.
In one embodiment, the method preventing electric expansion valve stuck described in includes:
Step S10, after air-conditioning is opened, it is judged that whether air-conditioner electric expansion valve resets；
In the present embodiment, described air-conditioning includes after opening that air-conditioner outdoor unit powers on first or air-conditioning start powers on but presses
Before contracting machine is the most not actuated, after air-conditioning is opened, it is judged that whether air-conditioner electric expansion valve resets.With reference to Fig. 2, described judgement air-conditioning
The process whether device electric expansion valve resets includes:
Step S11, obtains the reset mark of air-conditioner electric expansion valve；
Step S12, when described reset is designated and does not resets mark, or unsuccessful in the second Preset Time gets
During described reset mark, it is judged that air-conditioner electric expansion valve does not resets；
Step S13, when air-conditioner reset being designated and resetting mark, it is judged that air-conditioner electric expansion valve resets.
Receive the reset mark of the electric expansion valve that indoor set sends over, it is judged that indoor set sends the electric expansion valve of coming
Reset identify whether as the mark that resets, such as, when described reset is designated 1, it is judged that for resetting, be designated in reset
When 0, it is judged that for not resetting.The described mark that resets also be can also is that to be represented by other forms of expression and resets and do not reset
State.The form of expression that described electric expansion valve does not resets is it is also possible that after air-conditioning is opened, not from room in the first Preset Time
Interior machine receives the electric expansion valve mark that resets and also represents electric expansion valve and do not reset.Described first Preset Time can be 20s
Or 15s etc. is arranged according to household air-conditioner or user's request.In other embodiments of the present invention, in order to reduce system resource
Waste, improves exploitation speed and efficiency, when air-conditioner is in fast inspection pattern, and the reset operation of execution electric expansion valve, and not
Perform the judge process that electric expansion valve has resetted the most.
Step S20, when air-conditioner electric expansion valve does not resets, control described electric expansion valve rotate backward first preset
Step number is with by electric expansion valve zero setting；
When electric expansion valve does not resets, need electric expansion valve carries out the operation that resets, control described electric expansion valve
Rotate backward first and preset step number with by electric expansion valve zero setting, described first preset step number can be 520 steps etc. other can
By the step number of electric expansion valve zero setting, rotate backward described first preset step number after, can be by complete for described electric expansion valve
Close, revert to original state.
Step S30, after described electric expansion valve zero setting, controls described electric expansion valve and rotates forward to initial opening fortune
OK, the reset operation of electric expansion valve is completed.
After described electric expansion valve zero setting, i.e. electric expansion valve is being adjusted to original state, is controlling described electronics
Expansion valve rotates forward and runs to initial opening, completes the reset operation of electric expansion valve.Described initial opening is that an electronics is swollen
The open range of swollen valve, such as, walks for 220-240, or other is according to electric expansion valve and the performance of air-conditioner and user
The open range that demand is arranged.When described electric expansion valve resets, the aperture of current default is initial opening, it is allowed to compression
Machine is started shooting.In embodiments of the present invention reset mark is set for electric expansion valve, it is not necessary to many in running in operation of air conditioner
The secondary reset operation carrying out electric expansion valve repeatedly, and in reset operating process, first control electric expansion valve to initial position
Rerun and complete, to initial opening, the operation that resets, reduce the probability that electric expansion valve is stuck, decrease quality and complain, improve
The Experience Degree of product.
In order to preferably control the operation of air-conditioner, reduce the probability that electric expansion valve is stuck further.In the present invention one
In preferred embodiment, when air-conditioner powers on first, described method also includes: interval the 3rd Preset Time controls the pressure of air-conditioner
Contracting machine is opened and is run, and runs with default frequency or the frequency that pre-sets.Described 3rd Preset Time is 40s or 45s etc..
Preferably, whether described 3rd Preset Time resets according to the electric expansion valve of air-conditioner, and the time resetted is arranged, example
As, described 3rd Preset Time is more than resetting time, or arranging weighted value, described weighted value can be 1 or 0.8 or 0.6 etc.,
Respective weights value is multiplied by and arranges the 3rd Preset Time resetting time.
Compressor can be there is out of service, especially frequency changer during operation of air conditioner；Or air-conditioner can exist multiple
Operational mode, under corresponding different mode, the compressor of air-conditioner is to be interrupted state out of service.With reference to Fig. 3, the most real one
Executing in example, described method also includes:
Step S40, after compressor of air conditioner is out of service, controls described electric expansion valve and rotates forward to the second default step
Number；
Step S50, first Preset Time arrive time, control electric expansion valve rotate backward described first preset step number with
By electric expansion valve zero setting；
Step S60, after controlling described electric expansion valve zero setting, controls described electric expansion valve and rotates forward to initially opening
Degree, and keep described initial opening, it is set to reset by the attribute of the mark that resets.
The compressor shutdown action not included during defrost out of service of described compressor, after compressor is out of service,
Control described electric expansion valve to rotate forward second and preset step number.Described second presets step number presets step number less than described first,
Can be 480 steps or 450 steps etc., it is also possible to be an open range, such as, 450-480 walks.Step number is preset turning to second
After, perform electric expansion valve reset operation: time delay the first Preset Time rotates backward described first and presets step number so that electronics is swollen
Swollen valve zero setting, after controlling described electric expansion valve zero setting, controls described electric expansion valve and rotates forward to initial opening, and protect
Hold described initial opening, be set to reset by the attribute of the mark that resets.The described mark that resets is sent to indoor set, preferably
Ground, when open state, does not send reset mark, just sends the mark that resets when off-mode to indoor set.Connect at indoor set
Receiving reset mark after, disconnect off-premises station relay, or separated in time (such as, 2 points 20 seconds, or 2 points 30 seconds
Deng) disconnect off-premises station relay.After compressor shuts down, carry out the operation that resets, and avoid at compressor operating same
Time regulation electronic expansion valve opening, it is to avoid interfering between compressor operating and electronic expansion valve regulation, reduce further
The probability that electric expansion valve is stuck.In other embodiments of the present invention, in order to ensure to adjust when compressor is different from electric expansion valve
Joint, or the most how often regulates electric expansion valve, after compressor is out of service, get compressor out of service time
Between, when cannot complete the reset operation of electric expansion valve within the time out of service, do not perform this reset operation, stopping
The time only run enough resets when operating, and side performs the operation that resets；Or when compressor nearly (3s or 4s etc.) is opened, control
Electric expansion valve operating, to initial opening, is combined the scheme of electric expansion valve reset operation, reduces further by the above-mentioned time
The probability that electric expansion valve is stuck.
Can there is the stage opening closedown by compressor in air-conditioner in running, also can exist and close to the rank opened
Section, compressor is from closing to the stage the opened above-mentioned associated description carrying out now electric expansion valve.
With reference to Fig. 4, in a preferred embodiment, described method also includes:
Step S70, when the compressor at air-conditioner is in the operation phase reaching close, does not perform the reset of electric expansion valve
Operation, controls electric expansion valve and turns to second and preset step number, and turns to described initial opening after being spaced the first Preset Time.
Compressor, from reaching pass, does not perform the operation that resets, and step number is preset in electronic expansion valve regulation to second, and interval first is pre-
If regulating electronic expansion valve opening after the time to described initial opening.Further, powering on beginning timing from off-premises station, air-conditioning
After device runs N (3-5 days, acquiescence or user setup), if compressor occurs from the action running to shutdown, according to above-mentioned pressure
Process after contracting machine is out of service carries out the operation of electric expansion valve, restarts timing after being finished, and after N days, electronics is swollen
Swollen valve again continue return compressor out of service after operation, so circulate.By the reset of the aperture of electric expansion valve is grasped
Make to associate with the running status of compressor, it is to avoid interference each other, and have and avoid what electric expansion valve did not resetted
Situation, while reducing the probability that electric expansion valve is stuck, in turn ensure that the reset operation of electric expansion valve, improves air-conditioning
The Experience Degree of device.
The present invention also provides for a kind of device preventing electric expansion valve stuck, and this device is used for realizing said method.Reference
Shown in Fig. 5, in one embodiment, the device that the present invention prevents electric expansion valve stuck includes: judge module 10 and control module
20。
Described judge module 10, after opening at air-conditioning, it is judged that whether air-conditioner electric expansion valve resets；
In the present embodiment, described air-conditioning includes after opening that air-conditioner outdoor unit powers on first or air-conditioning start powers on but presses
Before contracting machine is the most not actuated, after air-conditioning is opened, it is judged that whether air-conditioner electric expansion valve resets.With reference to Fig. 6, described judge module
10 include:
Described acquiring unit 11, for obtaining the reset mark of air-conditioner electric expansion valve；
Described judging unit 12, is used for when described reset is designated and does not resets mark, or in the second Preset Time
Unsuccessful get described reset mark time, it is judged that air-conditioner electric expansion valve does not resets；Judging unit 12 is additionally operable at air-conditioning
Device reset being designated when resetting mark, it is judged that air-conditioner electric expansion valve resets.
Receive the reset mark of the electric expansion valve that indoor set sends over, it is judged that indoor set sends the electric expansion valve of coming
Reset identify whether as the mark that resets, such as, when described reset is designated 1, it is judged that for resetting, be designated in reset
When 0, it is judged that for not resetting.The described mark that resets also be can also is that to be represented by other forms of expression and resets and do not reset
State.The form of expression that described electric expansion valve does not resets is it is also possible that after air-conditioning is opened, not from room in the first Preset Time
Interior machine receives the electric expansion valve mark that resets and also represents electric expansion valve and do not reset.Described first Preset Time can be 20s
Or 15s etc. is arranged according to household air-conditioner or user's request.In other embodiments of the present invention, in order to reduce system resource
Waste, improves exploitation speed and efficiency, when air-conditioner is in fast inspection pattern, and the reset operation of execution electric expansion valve, and not
Perform the judge process that electric expansion valve has resetted the most.
Described control module 20, for when air-conditioner electric expansion valve does not resets, controls described electric expansion valve reverse
Rotate first and preset step number with by electric expansion valve zero setting；
When electric expansion valve does not resets, need electric expansion valve carries out the operation that resets, control described electric expansion valve
Rotate backward first and preset step number with by electric expansion valve zero setting, described first preset step number can be 520 steps etc. other can
By the step number of electric expansion valve zero setting, rotate backward described first preset step number after, can be by complete for described electric expansion valve
Close, revert to original state.
Described control module 20, is additionally operable to after described electric expansion valve zero setting, controls described electric expansion valve forward and turns
Move and run to initial opening, complete the reset operation of electric expansion valve.
After described electric expansion valve zero setting, i.e. electric expansion valve is being adjusted to original state, is controlling described electronics
Expansion valve rotates forward and runs to initial opening, completes the reset operation of electric expansion valve.Described initial opening is that an electronics is swollen
The open range of swollen valve, such as, walks for 220-240, or other is according to electric expansion valve and the performance of air-conditioner and user
The open range that demand is arranged.When described electric expansion valve resets, the aperture of current default is initial opening, it is allowed to compression
Machine is started shooting.In embodiments of the present invention reset mark is set for electric expansion valve, it is not necessary to many in running in operation of air conditioner
The secondary reset operation carrying out electric expansion valve repeatedly, and in reset operating process, first control electric expansion valve to initial position
Rerun and complete, to initial opening, the operation that resets, reduce the probability that electric expansion valve is stuck, decrease quality and complain, improve
The Experience Degree of product.
In order to preferably control the operation of air-conditioner, reduce the probability that electric expansion valve is stuck further.In the present invention one
In preferred embodiment, when air-conditioner powers on first, described method also includes: interval the 3rd Preset Time controls the pressure of air-conditioner
Contracting machine is opened and is run, and runs with default frequency or the frequency that pre-sets.Described 3rd Preset Time is 40s or 45s etc..
Preferably, whether described 3rd Preset Time resets according to the electric expansion valve of air-conditioner, and the time resetted is arranged, example
As, described 3rd Preset Time is more than resetting time, or arranging weighted value, described weighted value can be 1 or 0.8 or 0.6 etc.,
Respective weights value is multiplied by and arranges the 3rd Preset Time resetting time.
Compressor can be there is out of service, especially frequency changer during operation of air conditioner；Or air-conditioner can exist multiple
Operational mode, under corresponding different mode, the compressor of air-conditioner is to be interrupted state out of service.With reference to Fig. 7, described in prevent electricity
The stuck device of sub-expansion valve also includes: arrange module 30,
Described control module 20, is additionally operable to after compressor of air conditioner is out of service, controls described electric expansion valve forward and turns
Move to second and preset step number；Control module 20 is additionally operable to, when the first Preset Time arrives, control electric expansion valve and rotate backward
Described first presets step number with by electric expansion valve zero setting；After controlling described electric expansion valve zero setting, control described electronics swollen
Swollen valve rotates forward to initial opening, and keeps described initial opening；Described module 30 is set, for the attribute by the mark that resets
It is set to reset.
The compressor shutdown action not included during defrost out of service of described compressor, after compressor is out of service,
Control described electric expansion valve to rotate forward second and preset step number.Described second presets step number presets step number less than described first,
Can be 480 steps or 450 steps etc., it is also possible to be an open range, such as, 450-480 walks.Step number is preset turning to second
After, perform electric expansion valve reset operation: time delay the first Preset Time rotates backward described first and presets step number so that electronics is swollen
Swollen valve zero setting, after controlling described electric expansion valve zero setting, controls described electric expansion valve and rotates forward to initial opening, and protect
Hold described initial opening, be set to reset by the attribute of the mark that resets.The described mark that resets is sent to indoor set, preferably
Ground, when open state, does not send reset mark, just sends the mark that resets when off-mode to indoor set.Connect at indoor set
Receiving reset mark after, disconnect off-premises station relay, or separated in time (such as, 2 points 20 seconds, or 2 points 30 seconds
Deng) disconnect off-premises station relay.After compressor shuts down, carry out the operation that resets, and avoid at compressor operating same
Time regulation electronic expansion valve opening, it is to avoid interfering between compressor operating and electronic expansion valve regulation, reduce further
The probability that electric expansion valve is stuck.In other embodiments of the present invention, in order to ensure to adjust when compressor is different from electric expansion valve
Joint, or the most how often regulates electric expansion valve, after compressor is out of service, get compressor out of service time
Between, when cannot complete the reset operation of electric expansion valve within the time out of service, do not perform this reset operation, stopping
The time only run enough resets when operating, and side performs the operation that resets；Or when compressor nearly (3s or 4s etc.) is opened, control
Electric expansion valve operating, to initial opening, is combined the scheme of electric expansion valve reset operation, reduces further by the above-mentioned time
The probability that electric expansion valve is stuck.
Can there is the stage opening closedown by compressor in air-conditioner in running, also can exist and close to the rank opened
Section, compressor is from closing to the stage the opened above-mentioned associated description carrying out now electric expansion valve.
Described control module 20, is additionally operable to, when the compressor of air-conditioner is in the operation phase reaching close, not perform electricity
The reset operation of sub-expansion valve, control electric expansion valve turns to second and presets step number, and is spaced rotation after the first Preset Time
To described initial opening.
Compressor, from reaching pass, does not perform the operation that resets, and step number is preset in electronic expansion valve regulation to second, and interval first is pre-
If regulating electronic expansion valve opening after the time to described initial opening.Further, powering on beginning timing from off-premises station, air-conditioning
After device runs N (3-5 days, acquiescence or user setup), if compressor occurs from the action running to shutdown, according to above-mentioned pressure
Process after contracting machine is out of service carries out the operation of electric expansion valve, restarts timing after being finished, and after N days, electronics is swollen
Swollen valve again continue return compressor out of service after operation, so circulate.By the reset of the aperture of electric expansion valve is grasped
Make to associate with the running status of compressor, it is to avoid interference each other, and have and avoid what electric expansion valve did not resetted
Situation, while reducing the probability that electric expansion valve is stuck, in turn ensure that the reset operation of electric expansion valve, improves air-conditioning
The Experience Degree of device.
The present invention also provides for a kind of air-conditioner, above-mentioned prevents the stuck device of electric expansion valve in this air-conditioner.
Described air-conditioner includes the indispensable hardware such as off-premises station, indoor set.This air-conditioner is that electric expansion valve arranges reset mark, it is not necessary to
The repetitious reset operation carrying out electric expansion valve in running in operation of air conditioner, and first control in reset operating process
Electric expansion valve processed reruns to initial position and completes, to initial opening, the operation that resets, and reduces stuck general of electric expansion valve
Rate, decreases quality and complains, improve the Experience Degree of product.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (12)
1. one kind prevents the method that electric expansion valve is stuck, it is characterised in that include step:
After air-conditioning is opened, it is judged that whether air-conditioner electric expansion valve resets；
When air-conditioner electric expansion valve does not resets, control described electric expansion valve and rotate backward first and preset step number with by electronics
Expansion valve zero setting；
After described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening operation, complete electronics
The reset operation of expansion valve.
Prevent the method that electric expansion valve is stuck the most as claimed in claim 1, it is characterised in that described method also includes:
After compressor of air conditioner is out of service, controls described electric expansion valve and rotate forward to second and preset step number；
When the first Preset Time arrives, control electric expansion valve rotates backward described first and presets step number with by electric expansion valve
Zero setting；
After controlling described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening, and keep institute
State initial opening, be set to reset by the attribute of the mark that resets.
Prevent the method that electric expansion valve is stuck the most as claimed in claim 1 or 2, it is characterised in that described judgement air-conditioner
The step that whether resets of electric expansion valve include:
Obtain the reset mark of air-conditioner electric expansion valve；
Described reset be designated do not reset mark time, or in the second Preset Time unsuccessful get described reset mark
Time, it is judged that air-conditioner electric expansion valve does not resets；
When air-conditioner reset being designated and resetting mark, it is judged that air-conditioner electric expansion valve resets.
Prevent the method that electric expansion valve is stuck the most as claimed in claim 1 or 2, it is characterised in that go up first at air-conditioner
During electricity, described method also includes:
It is spaced the 3rd Preset Time to control the compressor of air-conditioner and open and run, and with default frequency or the frequency that pre-sets
Run.
Prevent the method that electric expansion valve is stuck the most as claimed in claim 1 or 2, it is characterised in that described method also includes:
When air-conditioner is in fast inspection pattern, perform the reset operation of electric expansion valve.
Prevent the method that electric expansion valve is stuck the most as claimed in claim 1 or 2, it is characterised in that described method also includes:
When compressor at air-conditioner is in the operation phase reaching close, does not perform the reset operation of electric expansion valve, control electricity
Sub-expansion valve turns to second and presets step number, and turns to described initial opening after being spaced the first Preset Time.
7. one kind prevents the device that electric expansion valve is stuck, it is characterised in that including:
Judge module, after opening at air-conditioning, it is judged that whether air-conditioner electric expansion valve resets；
Control module, for when air-conditioner electric expansion valve does not resets, controlling described electric expansion valve, to rotate backward first pre-
If step number is with by electric expansion valve zero setting；Control module is additionally operable to
After described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening operation, complete electronics
The reset operation of expansion valve.
Prevent the device that electric expansion valve is stuck the most as claimed in claim 7, it is characterised in that also include arranging module,
Described control module, is additionally operable to after compressor of air conditioner is out of service, controls described electric expansion valve and rotates forward to
Two preset step number；When the first Preset Time arrives, control electric expansion valve rotates backward described first and presets step number with by electricity
Sub-expansion valve zero setting；After controlling described electric expansion valve zero setting, control described electric expansion valve and rotate forward to initial opening,
And keep described initial opening；
Described module is set, for being set to reset by the attribute of the mark that resets.
Prevent the device that electric expansion valve is stuck the most as claimed in claim 7 or 8, it is characterised in that described judge module bag
Include: acquiring unit, for obtaining the reset mark of air-conditioner electric expansion valve；
Judging unit, is used for when described reset is designated and does not resets mark, or unsuccessful acquisition in the second Preset Time
During to described reset mark, it is judged that air-conditioner electric expansion valve does not resets；Judging unit is additionally operable to reset at air-conditioner be designated
During the mark that resetted, it is judged that air-conditioner electric expansion valve resets.
Prevent the device that electric expansion valve is stuck the most as claimed in claim 7 or 8, it is characterised in that go up first at air-conditioner
During electricity, described control module, it is additionally operable to be spaced the 3rd Preset Time and controls the compressor unlatching operation of air-conditioner, and to give tacit consent to frequency
Rate or the frequency pre-set are run.
11. prevent the device that electric expansion valve is stuck as claimed in claim 7 or 8, it is characterised in that be in soon at air-conditioner
During inspection pattern, perform the reset operation of electric expansion valve.
12. prevent the device that electric expansion valve is stuck as claimed in claim 7 or 8, it is characterised in that described control module,
It is additionally operable to when the compressor of air-conditioner is in the operation phase reaching close, controls electric expansion valve and turn to the second default step
Number, and turn to described initial opening after being spaced the first Preset Time.
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| CN201610442974.4A CN106123413B (en) | 2016-06-17 | 2016-06-17 | Prevent the method and device that electric expansion valve is stuck |
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| CN201610442974.4A CN106123413B (en) | 2016-06-17 | 2016-06-17 | Prevent the method and device that electric expansion valve is stuck |
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| CN106123413B CN106123413B (en) | 2018-08-14 |
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| CN110094841A (en) * | 2019-04-15 | 2019-08-06 | 青岛海尔空调电子有限公司 | Control method for electronic expansion valve and air-conditioning for air-conditioning |
| CN110094858A (en) * | 2019-04-11 | 2019-08-06 | 海信（山东）空调有限公司 | Control method, device, computer product and the air-conditioning of air conditioner electronic expansion valve |
| CN110500697A (en) * | 2019-08-15 | 2019-11-26 | 海信（山东）空调有限公司 | The control method and device of the blower of air conditioner and its wind deflector and indoor unit |
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| CN111609199A (en) * | 2019-02-25 | 2020-09-01 | 青岛经济技术开发区海尔热水器有限公司 | Adjusting method of proportional valve and proportional valve |
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| CN114001503A (en) * | 2021-10-27 | 2022-02-01 | 珠海格力电器股份有限公司 | Electronic expansion valve failure determination method, electronic expansion valve failure determination module, electronic expansion valve failure determination equipment and computer readable medium |
| WO2023236517A1 (en) * | 2022-06-09 | 2023-12-14 | 青岛海尔空调器有限总公司 | Method and system for resetting electronic expansion valve of air conditioner, and air conditioner |
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| CN110500697A (en) * | 2019-08-15 | 2019-11-26 | 海信（山东）空调有限公司 | The control method and device of the blower of air conditioner and its wind deflector and indoor unit |
| CN111207482B (en) * | 2020-01-07 | 2020-12-29 | 珠海格力电器股份有限公司 | Air conditioner electronic expansion valve clamping adjustment control method and air conditioner |
| CN111207482A (en) * | 2020-01-07 | 2020-05-29 | 珠海格力电器股份有限公司 | Air conditioner electronic expansion valve clamping adjustment control method and air conditioner |
| CN111412684A (en) * | 2020-04-20 | 2020-07-14 | 珠海格力电器股份有限公司 | Throttling element failure control method and air conditioner |
| CN113654213A (en) * | 2021-08-18 | 2021-11-16 | 珠海格力电器股份有限公司 | Air conditioner control method and air conditioner |
| CN113654213B (en) * | 2021-08-18 | 2022-10-28 | 珠海格力电器股份有限公司 | Air conditioner control method and air conditioner |
| CN114001503A (en) * | 2021-10-27 | 2022-02-01 | 珠海格力电器股份有限公司 | Electronic expansion valve failure determination method, electronic expansion valve failure determination module, electronic expansion valve failure determination equipment and computer readable medium |
| WO2023236517A1 (en) * | 2022-06-09 | 2023-12-14 | 青岛海尔空调器有限总公司 | Method and system for resetting electronic expansion valve of air conditioner, and air conditioner |
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