CN106907834A - Multiple on-line system and its heat indoor set shut down when noise control method and apparatus - Google Patents
Multiple on-line system and its heat indoor set shut down when noise control method and apparatus Download PDFInfo
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- CN106907834A CN106907834A CN201710154883.5A CN201710154883A CN106907834A CN 106907834 A CN106907834 A CN 106907834A CN 201710154883 A CN201710154883 A CN 201710154883A CN 106907834 A CN106907834 A CN 106907834A
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- indoor set
- indoor
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- expansion valve
- heated
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of multiple on-line system and its heat indoor set shut down when noise control method and apparatus; wherein; the multiple on-line system includes outdoor unit and multiple indoor sets; each indoor set in multiple indoor sets includes the electric expansion valve that indoor heat exchanger and correspondence indoor heat exchanger are set, and the described method comprises the following steps：When any one indoor set in multiple indoor sets is run with heating mode, detect that this heats whether indoor set performs halt instruction；If this heats indoor set and performs halt instruction; this is then heated into the corresponding electronic expansion valve regulation of indoor set to the first aperture; and this is heated into the corresponding electronic expansion valve regulation of indoor set to the second aperture after continuing Preset Time, wherein, the second aperture is less than the first aperture.The method according to the invention, can effectively reduce the noise heated when indoor set is shut down, and greatly improve the comfortableness of user.
Description
Technical field
The present invention relates to multi-connected machine technology field, making an uproar when indoor set is shut down is heated in more particularly to a kind of multiple on-line system
The noise controller and a kind of multiple on-line system when indoor set is shut down are heated in sound controlling method, a kind of multiple on-line system.
Background technology
In multiple on-line system, indoor set as user can the unit experienced of direct feeling, its cooling or heating effect is good
Bad and noise level directly affects Consumer's Experience.When indoor set is run with heating mode, indoor set heat exchanger is used as condensation
Device, used as evaporator, the high pressure gaseous refrigerant of compressor output is condensed into machine heat exchanger outdoor unit heat exchanger indoors
Normal pressure and temperature liquid refrigerants high, then enter outdoor unit by electric expansion valve, and steamed at outdoor unit heat exchanger after reducing pressure by regulating flow
Cryogenic gaseous refrigerant is sent out into, then by compressor compresses into high pressure gaseous refrigerant, the circulation of refrigeration system is completed.
When indoor set is run with heating mode, influenceed by environment temperature and other various different condition factors, it is high
Warm gaseous coolant may not be condensed fully at machine heat exchanger indoors, and machine heat exchanger outlet indoors is flowed through with gas-liquid two-phase state
The electric expansion valve of indoor set.Therefore, if indoor set is run with heating mode, due to by the cold of electronic expansion valve of indoor unit
Matchmaker may be gas-liquid two-phase state even liquid, when indoor set is shut down, may be produced when refrigerant flows through electronic expansion valve of indoor unit
The larger noise of life, can so have a strong impact on Consumer's Experience.
The content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned technology to a certain extent.Therefore, of the invention
One purpose is that noise control method when indoor set is shut down is heated in proposing a kind of multiple on-line system, can effectively reduce system
Noise when hot indoor set is shut down, greatly improves the comfortableness of user.
Second object of the present invention is to propose to heat noise control when indoor set is shut down in a kind of multiple on-line system
Device.
Third object of the present invention is to propose a kind of multiple on-line system.
To reach above-mentioned purpose, first aspect present invention embodiment to propose and heat indoor set in a kind of multiple on-line system and stop
Noise control method during machine, wherein, the multiple on-line system includes outdoor unit and multiple indoor sets, in the multiple indoor set
Each indoor set include electric expansion valve that indoor heat exchanger and the correspondence indoor heat exchanger are set, methods described include with
Lower step：When any one indoor set in the multiple indoor set is run with heating mode, detect that this heats indoor set and is
No execution halt instruction；If this heats indoor set and performs halt instruction, this is heated into the corresponding electric expansion valve of indoor set
This is heated the corresponding electronic expansion valve regulation of indoor set to the second aperture by regulation to the first aperture, and after continuing Preset Time,
Wherein, second aperture is less than first aperture.
Noise control method when indoor set is shut down is heated in multiple on-line system according to embodiments of the present invention, is heated when one
When indoor set performs halt instruction, this can be heated the corresponding electric expansion valve of indoor set and be adjusted to a larger aperture, and
The regular hour is maintained, thus, when indoor set shutdown is heated, the refrigerant in indoor heat exchanger can be made to be smoothly through the electricity
Sub- expansion valve, so as to effectively reduce noise when heating indoor set shutdown, greatly improves the comfortableness of user.
In addition, according to the above embodiment of the present invention propose multiple on-line system in heat indoor set shut down when noise control
Method can also have following additional technical characteristic：
Wherein, when first aperture heats indoor set shutdown according to this, refrigerant is heated the indoor heat exchange of indoor set by this
Whether device flows through when this heats indoor set corresponding electric expansion valve and produces noise to be demarcated.
According to one embodiment of present invention, first aperture heats the corresponding electric expansion valve of indoor set most in this
Between the 2/3~3/4 of big aperture, second aperture heats the 1/ of the corresponding electric expansion valve maximum opening of indoor set in this
Between 5~1/4.
Wherein, the multiple on-line system operates in main heating mode, pure heating mode or main refrigeration mode.
To reach above-mentioned purpose, second aspect present invention embodiment to propose and heat indoor set in a kind of multiple on-line system and stop
Noise controller during machine, wherein, the multiple on-line system includes outdoor unit and multiple indoor sets, in the multiple indoor set
Each indoor set include electric expansion valve that indoor heat exchanger and the correspondence indoor heat exchanger are set, described device includes：
Detection module, the detection module is used for when any one indoor set in the multiple indoor set is run with heating mode,
Detect that this heats whether indoor set performs halt instruction；Control module, the control module is used to heat indoor set execution at this
During halt instruction, this is heated into the corresponding electronic expansion valve regulation of indoor set to the first aperture, and continue should after Preset Time
The corresponding electronic expansion valve regulation of indoor set is heated to the second aperture, wherein, second aperture is less than first aperture.
Noise controller when indoor set is shut down is heated in multiple on-line system according to embodiments of the present invention, is heated when one
When indoor set performs halt instruction, this can be heated the corresponding electric expansion valve of indoor set and be adjusted to a larger aperture, and
The regular hour is maintained, thus, when indoor set shutdown is heated, the refrigerant in indoor heat exchanger can be made to be smoothly through electronics
Expansion valve, so as to effectively reduce noise when heating indoor set shutdown, greatly improves the comfortableness of user.
In addition, according to the above embodiment of the present invention propose multiple on-line system in heat indoor set shut down when noise control
Device can also have following additional technical characteristic：
Wherein, when first aperture heats indoor set shutdown according to this, refrigerant is heated the indoor heat exchange of indoor set by this
Whether device flows through when this heats indoor set corresponding electric expansion valve and produces noise to be demarcated.
According to one embodiment of present invention, first aperture heats the corresponding electric expansion valve of indoor set most in this
Between the 2/3~3/4 of big aperture, second aperture heats the 1/ of the corresponding electric expansion valve maximum opening of indoor set in this
Between 5~1/4.
Wherein, the multiple on-line system operates in main heating mode, pure heating mode or main refrigeration mode.
To reach above-mentioned purpose, third aspect present invention embodiment proposes a kind of multiple on-line system, and it includes the present invention
Noise controller when indoor set is shut down is heated in the multiple on-line system that second aspect embodiment is proposed.
Multiple on-line system according to embodiments of the present invention, can effectively reduce the noise heated when indoor set is shut down, significantly
Improve the comfortableness of user.
Brief description of the drawings
Fig. 1 is the stream that noise control method when indoor set is shut down is heated in multiple on-line system according to the embodiment of the present invention
Cheng Tu；
Fig. 2 is the side that noise controller when indoor set is shut down is heated in multiple on-line system according to the embodiment of the present invention
Frame schematic diagram.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Noise when below in conjunction with the accompanying drawings to describe the multiple on-line system of the embodiment of the present invention and its heat indoor set shutdown
Control method and device.
Fig. 1 is the stream that noise control method when indoor set is shut down is heated in multiple on-line system according to the embodiment of the present invention
Cheng Tu.
It should be noted that the multiple on-line system of the embodiment of the present invention may include outdoor unit and multiple indoor sets, multiple rooms
Each indoor set in interior machine includes the electric expansion valve that indoor heat exchanger and correspondence indoor heat exchanger are set.
As shown in figure 1, heating noise control method when indoor set is shut down, bag in the multiple on-line system of the embodiment of the present invention
Include following steps：
S1, when any one indoor set in multiple indoor sets is run with heating mode, detects that this heats indoor set and is
No execution halt instruction.
In an embodiment of the present invention, multiple on-line system may operate at main heating mode, pure heating mode or main refrigeration mould
Formula.Under the either mode of above-mentioned multiple on-line system, whether the indoor set of detectable operation heating mode performs halt instruction.
S2, if this heats indoor set performs halt instruction, the corresponding electronic expansion valve regulation of indoor set is heated by this
This is heated into the corresponding electronic expansion valve regulation of indoor set to the second aperture to the first aperture, and after continuing Preset Time, wherein,
Second aperture is less than the first aperture.
Usually, after indoor set execution halt instruction is heated, if the corresponding electric expansion valve of indoor set will be heated
Aperture is smaller, then the refrigerant of liquid refrigerants or gas-liquid two-phase state can produce larger noise when the electric expansion valve is flowed through.
In one embodiment of the invention, when the first aperture can heat indoor set shutdown according to this, refrigerant is heated by this
Whether the indoor heat exchanger of indoor set flows through when this heats indoor set corresponding electric expansion valve and produces noise to be demarcated.Extremely
In few calibration experiment once, if the aperture for heating the corresponding electric expansion valve of indoor set is maintained into a certain fixation opened
Degree, and do not produce noise when heating indoor set shutdown, then can be using the fixation aperture as the first aperture.It should be appreciated that the
The size of one aperture with heat state that the refrigerant for heating the corresponding electric expansion valve of indoor set is flowed through when indoor set is shut down and
Flow is related.And electric expansion valve maintain first aperture time can according to refrigerant when the aperture of electric expansion valve is smaller institute
Produce the duration of noise and set.
In one particular embodiment of the present invention, the first aperture can be at this and heat the corresponding electric expansion valve of indoor set
Between the 2/3~3/4 of maximum opening.For example, if the maximum opening for heating the corresponding electric expansion valve of indoor set is
480 steps, then the first aperture can be at 320 steps between 360 steps.
After the time for heating indoor set the first aperture of corresponding electric expansion valve maintenance reaches Preset Time, this is heated
Indoor set can enter holding state, can to heat the corresponding electronic expansion valve regulation of indoor set swollen to the second aperture, i.e. electronics by this
Swollen valve heats the normal aperture that indoor set is under holding state at this.
In one particular embodiment of the present invention, the second aperture can be at this and heat the corresponding electric expansion valve of indoor set
Between the 1/5~1/4 of maximum opening.For example, if the maximum opening for heating the corresponding electric expansion valve of indoor set is
480 steps, then the second aperture can be at 96 steps between 120 steps.
Noise control method when indoor set is shut down is heated in multiple on-line system according to embodiments of the present invention, is heated when one
When indoor set performs halt instruction, this can be heated the corresponding electric expansion valve of indoor set and be adjusted to a larger aperture, and
The regular hour is maintained, thus, when indoor set shutdown is heated, the refrigerant in indoor heat exchanger can be made to be smoothly through the electricity
Sub- expansion valve, so as to effectively reduce noise when heating indoor set shutdown, greatly improves the comfortableness of user.
To heat noise control method when indoor set is shut down in the multiple on-line system for realizing above-described embodiment, the present invention is also
Propose to heat noise controller when indoor set is shut down in a kind of multiple on-line system.
It should be noted that the multiple on-line system of the embodiment of the present invention may include outdoor unit and multiple indoor sets, multiple rooms
Each indoor set in interior machine includes the electric expansion valve that indoor heat exchanger and correspondence indoor heat exchanger are set.
As shown in Fig. 2 heating noise controller when indoor set is shut down, bag in the multiple on-line system of the embodiment of the present invention
Include detection module 10 and control module 20.
Wherein, detection module 10 is used for when any one indoor set in multiple indoor sets is run with heating mode, inspection
Survey this and heat whether indoor set performs halt instruction.Control module 20 is used for when this heats indoor set and performs halt instruction, will
This heats the corresponding electronic expansion valve regulation of indoor set to the first aperture, and continues that this is heated into indoor set correspondence after Preset Time
Electronic expansion valve regulation to the second aperture, wherein, the second aperture be less than the first aperture.
In an embodiment of the present invention, multiple on-line system may operate at main heating mode, pure heating mode or main refrigeration mould
Formula.Under the either mode of above-mentioned multiple on-line system, whether the indoor set of the detectable operation heating mode of detection module 10 performs
Halt instruction.
Usually, after indoor set execution halt instruction is heated, if the corresponding electric expansion valve of indoor set will be heated
Aperture is smaller, then the refrigerant of liquid refrigerants or gas-liquid two-phase state can produce larger noise when the electric expansion valve is flowed through.
In one embodiment of the invention, when the first aperture can heat indoor set shutdown according to this, refrigerant is heated by this
Whether the indoor heat exchanger of indoor set flows through when this heats indoor set corresponding electric expansion valve and produces noise to be demarcated.Extremely
In few calibration experiment once, if the aperture for heating the corresponding electric expansion valve of indoor set is maintained into a certain fixation opened
Degree, and do not produce noise when heating indoor set shutdown, then can be using the fixation aperture as the first aperture.It should be appreciated that the
The size of one aperture with heat state that the refrigerant for heating the corresponding electric expansion valve of indoor set is flowed through when indoor set is shut down and
Flow is related.And electric expansion valve maintain first aperture time can according to refrigerant when the aperture of electric expansion valve is smaller institute
Produce the duration of noise and set.
In one particular embodiment of the present invention, the first aperture can be at this and heat the corresponding electric expansion valve of indoor set
Between the 2/3~3/4 of maximum opening.For example, if the maximum opening for heating the corresponding electric expansion valve of indoor set is
480 steps, then the first aperture can be at 320 steps between 360 steps.
After the time for heating indoor set the first aperture of corresponding electric expansion valve maintenance reaches Preset Time, this is heated
Indoor set can enter holding state, and this can be heated the corresponding electronic expansion valve regulation of indoor set and opened to second by control module 20
Degree, i.e. electric expansion valve heat the normal aperture that indoor set is under holding state at this.
In one particular embodiment of the present invention, the second aperture can be at this and heat the corresponding electric expansion valve of indoor set
Between the 1/5~1/4 of maximum opening.For example, if the maximum opening for heating the corresponding electric expansion valve of indoor set is
480 steps, then the second aperture can be at 96 steps between 120 steps.
Noise controller when indoor set is shut down is heated in multiple on-line system according to embodiments of the present invention, is heated when one
When indoor set performs halt instruction, this can be heated the corresponding electric expansion valve of indoor set and be adjusted to a larger aperture, and
The regular hour is maintained, thus, when indoor set shutdown is heated, the refrigerant in indoor heat exchanger can be made to be smoothly through electronics
Expansion valve, so as to effectively reduce noise when heating indoor set shutdown, greatly improves the comfortableness of user.
Correspondence above-described embodiment, the present invention also proposes a kind of multiple on-line system.
Heating chamber in the multiple on-line system of the embodiment of the present invention, including the multiple on-line system of the above embodiment of the present invention proposition
Noise controller when interior machine is shut down, its specific embodiment can refer to above-described embodiment, to avoid redundancy, herein no longer
Repeat.
Multiple on-line system according to embodiments of the present invention, can effectively reduce the noise heated when indoor set is shut down, significantly
Improve the comfortableness of user.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. noise control method when indoor set is shut down is heated in a kind of multiple on-line system, it is characterised in that the multi-connected machine system
System includes outdoor unit and multiple indoor sets, and each indoor set in the multiple indoor set includes that indoor heat exchanger and correspondence are described
The electric expansion valve that indoor heat exchanger is set, the described method comprises the following steps：
When any one indoor set in the multiple indoor set is run with heating mode, detect that this heats whether indoor set is held
Row halt instruction；
If this heats indoor set performs halt instruction, this is heated into the corresponding electronic expansion valve regulation of indoor set and is opened to first
Degree, and this is heated into the corresponding electronic expansion valve regulation of indoor set to the second aperture after continuing Preset Time, wherein, described second
Aperture is less than first aperture.
2. noise control method when indoor set is shut down is heated in multiple on-line system according to claim 1, and its feature exists
In when first aperture heats indoor set shutdown according to this, refrigerant flows through the system by the indoor heat exchanger for heating indoor set
Whether noise is produced to be demarcated during the corresponding electric expansion valve of hot indoor set.
3. noise control method when indoor set is shut down is heated in multiple on-line system according to claim 2, and its feature exists
In, first aperture in this heat the corresponding electric expansion valve maximum opening of indoor set 2/3~3/4 between, described
Two apertures in this heat the corresponding electric expansion valve maximum opening of indoor set 1/5~1/4 between.
4. noise control side when indoor set is shut down is heated in the multiple on-line system according to any one of claim 1-3
Method, it is characterised in that the multiple on-line system operates in main heating mode, pure heating mode or main refrigeration mode.
5. noise controller when indoor set is shut down is heated in a kind of multiple on-line system, it is characterised in that the multi-connected machine system
System includes outdoor unit and multiple indoor sets, and each indoor set in the multiple indoor set includes that indoor heat exchanger and correspondence are described
The electric expansion valve that indoor heat exchanger is set, described device includes：
Detection module, the detection module is used to be run with heating mode when any one indoor set in the multiple indoor set
When, detect that this heats whether indoor set performs halt instruction；
Control module, the control module is used to, when this heats indoor set and performs halt instruction, this is heated into indoor set correspondence
Electronic expansion valve regulation this is heated into the corresponding electronic expansion valve regulation of indoor set to the first aperture, and after continuing Preset Time
To the second aperture, wherein, second aperture is less than first aperture.
6. noise controller when indoor set is shut down is heated in multiple on-line system according to claim 5, and its feature exists
In when first aperture heats indoor set shutdown according to this, refrigerant flows through the system by the indoor heat exchanger for heating indoor set
Whether noise is produced to be demarcated during the corresponding electric expansion valve of hot indoor set.
7. noise controller when indoor set is shut down is heated in multiple on-line system according to claim 6, and its feature exists
In, first aperture in this heat the corresponding electric expansion valve maximum opening of indoor set 2/3~3/4 between, described
Two apertures in this heat the corresponding electric expansion valve maximum opening of indoor set 1/5~1/4 between.
8. noise control dress when indoor set is shut down is heated in the multiple on-line system according to any one of claim 5-7
Put, it is characterised in that the multiple on-line system operates in main heating mode, pure heating mode or main refrigeration mode.
9. a kind of multiple on-line system, it is characterised in that including in the multiple on-line system according to any one of claim 4-6
Heat noise controller when indoor set is shut down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710154883.5A CN106907834A (en) | 2017-03-15 | 2017-03-15 | Multiple on-line system and its heat indoor set shut down when noise control method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154883.5A CN106907834A (en) | 2017-03-15 | 2017-03-15 | Multiple on-line system and its heat indoor set shut down when noise control method and apparatus |
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| CN106907834A true CN106907834A (en) | 2017-06-30 |
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| CN201710154883.5A Withdrawn CN106907834A (en) | 2017-03-15 | 2017-03-15 | Multiple on-line system and its heat indoor set shut down when noise control method and apparatus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339780A (en) * | 2017-07-21 | 2017-11-10 | 广东美的暖通设备有限公司 | Control method, device and the air-conditioning of multi-connected air conditioner compressor high and low pressure side pressure difference |
| CN107560214A (en) * | 2017-08-02 | 2018-01-09 | 青岛海尔空调电子有限公司 | A kind of control method and device of expansion valve |
| CN108195047A (en) * | 2017-12-01 | 2018-06-22 | 青岛海尔空调电子有限公司 | The noise control method and controller of multi-connected air conditioning system |
| CN108759064A (en) * | 2018-08-20 | 2018-11-06 | 宁波奥克斯电气股份有限公司 | A kind of method for noise reduction control, device and multi-online air-conditioning system |
| CN109028492A (en) * | 2018-08-14 | 2018-12-18 | 宁波奥克斯电气股份有限公司 | expansion valve control method, device and air conditioner |
| WO2019104965A1 (en) * | 2017-12-01 | 2019-06-06 | 青岛海尔空调电子有限公司 | Multi-connected air conditioning system noise control method |
| CN110553339A (en) * | 2019-09-19 | 2019-12-10 | 宁波奥克斯电气股份有限公司 | Heat accumulation prevention control method and device for multi-split air conditioner and air conditioner |
| CN110986224A (en) * | 2019-11-07 | 2020-04-10 | 珠海格力电器股份有限公司 | Air conditioner, control method thereof and storage medium |
| CN113465142A (en) * | 2021-06-16 | 2021-10-01 | 格力电器（合肥）有限公司 | Air conditioner shutdown control method and device, controller and air conditioning system |
| CN113494764A (en) * | 2020-04-08 | 2021-10-12 | 广东美的制冷设备有限公司 | Control method of multi-split air conditioner, multi-split air conditioner and storage medium |
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