CN109681969A - Compressor vibration insulation structure, air conditioner and its control method - Google Patents
Compressor vibration insulation structure, air conditioner and its control method Download PDFInfo
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- CN109681969A CN109681969A CN201910145323.2A CN201910145323A CN109681969A CN 109681969 A CN109681969 A CN 109681969A CN 201910145323 A CN201910145323 A CN 201910145323A CN 109681969 A CN109681969 A CN 109681969A
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- piezoelectricity
- gasket
- compressor
- operating status
- power supply
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
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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
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/40—Noise
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of compressor vibration insulation structure, air conditioner and its control methods, wherein, compressor vibration insulation structure includes: elastic footrest, piezoelectricity gasket, fixing bolt and fixture nut, and piezoelectricity gasket is set to the top of elastic footrest, and piezoelectricity gasket can occur when being powered along axial deformation；Fixing bolt is arranged in elastic footrest and piezoelectricity gasket；Fixture nut is set in the top of fixing bolt, and the gap between the lower surface of fixture nut is less than the upper surface of the piezoelectricity gasket gap between the lower surface of fixture nut in the energized state in the power-off state for the upper surface of piezoelectricity gasket.Compressor vibration insulation structure provided by the invention both can preferably meet the requirement for falling transport and stress using the cooperation of elastic footrest and piezoelectricity gasket, while possess preferable vibration and noise reducing performance.
Description
Technical field
The present invention relates to air-conditioning technical fields, include the compression in particular to a kind of compressor vibration insulation structure, one kind
The air conditioner of machine vibration insulation structure and a kind of control method of air conditioner.
Background technique
The noise of air conditioner be evaluate performance an important appraisal standards, compressor and its with tube vibration be outdoor unit produce
The main reason for raw vibrating noise.When compressor start, internal refrigerant impact causes stress pulsation as refrigerant flowing is transmitted to
Pipeline, or even it is transmitted to peripheral metal plate.Rubber mat is generallyd use in the prior art to inhibit the vibration of compressor, to reduce
System noise；But since the requirement of transport falling and stress prevents the rigidity of rubber mat from too small, this results in existing side
Case can not combine noise vibration and fall the requirement of transport.
Summary of the invention
Present invention seek to address that at least one above-mentioned technical problem.
For this purpose, the purpose of first aspect present invention is, a kind of compressor vibration insulation structure is provided.
The purpose of second aspect of the present invention is, provides a kind of air conditioner including above-mentioned compressor vibration insulation structure.
The purpose of third aspect present invention is, provides a kind of control method for above-mentioned air conditioner.
To achieve the goals above, the technical solution of first aspect present invention provides a kind of compressor vibration insulation structure, packet
It includes: elastic footrest；Piezoelectricity gasket, set on the top of the elastic footrest, the piezoelectricity gasket can occur when being powered along axis
To deformation；Fixing bolt is arranged in the elastic footrest and the piezoelectricity gasket；And fixture nut, it is set in the fixation
The top of bolt, gap of the upper surface of the piezoelectricity gasket in the power-off state between the lower surface of the fixture nut are small
In the upper surface of the piezoelectricity gasket gap between the lower surface of the fixture nut in the energized state.
The compressor vibration insulation structure that above-mentioned technical proposal of the present invention provides, using the cooperation of elastic footrest and piezoelectricity gasket,
Both it can preferably meet the requirement for falling transport and stress, while possess preferable vibration and noise reducing performance.Specifically, in air conditioning chamber
During outer machine transport, piezoelectricity gasket uses obstructed power mode, and piezoelectricity gasket is protected between fixture nut in the power-off state
Lesser gap or gapless are held, can reduce the deformation space of elastic footrest in this way, improves entire compressor vibration insulation structure
Rigidity, meet demand the problems such as falling, collide in transportational process；After air conditioner, which is installed, to be powered, piezoelectricity gasket is in connect
Electricity condition, using the inverse piezoelectric effect of piezoelectricity gasket, piezoelectricity gasket occurs when being powered along axial deformation, and piezoelectricity gasket is logical
Gap under electricity condition between fixture nut increases, and elastic footrest has biggish deformation space at this time, it is only necessary to elastic foot
Vibration isolation is padded, vibration of compressor can be effectively reduced, to reduce system noise；Elastic footrest can be lower softer using rigidity
Rubber material specifically such as uses ethylene propylene diene rubber or natural rubber, vibration of compressor can further be effectively reduced, thus
Reduce system noise；Compared to traditional compressor foot pad, this programme combines vibration and noise reducing and falls transport and pipeline stress
Requirement, be optimal each index of correlation of air-conditioning system.
In addition, the compressor vibration insulation structure provided in above-mentioned technical proposal of the present invention can also have following supplementary technology special
Sign:
Wherein in an embodiment, the upper surface of the piezoelectricity gasket lower surface with the fixture nut in the power-off state
Between gap be more than or equal to 0mm and be less than or equal to 2mm.
Above scheme with ensure piezoelectricity gasket during transportation (piezoelectricity gasket is in off-position in transportational process) with
Gapless or there is lesser gap between fixture nut, can reduce the deformation space of elastic footrest in this way, improve entire pressure
The rigidity of contracting machine vibration insulation structure meets demand the problems such as falling, collide in transportational process.
Wherein in an embodiment, the upper surface of the piezoelectricity gasket lower surface with the fixture nut in the power-off state
Between gap be equal to 0mm, the upper surface of the piezoelectricity gasket is in the energized state between the lower surface of the fixture nut
Gap be greater than 0mm.
Above scheme both ensured piezoelectricity gasket during transportation (piezoelectricity gasket is in off-position in transportational process) with
Gapless between fixture nut improves entire compression to reduce the deflection of elastic footrest during transportation as much as possible
The rigidity of machine vibration insulation structure meets demand the problems such as falling, collide in transportational process；Also ensure that piezoelectricity gasket is pacified in air-conditioning
Dress has gap between (piezoelectricity gasket is in energized state after air-conditioning installation is powered) and fixture nut after being powered, so that bullet
Property foot pad can preferably decay the vibrational energy being transmitted on chassis in vibration of compressor, to reduce system vibration and make an uproar
Sound.
Wherein in an embodiment, the piezoelectricity gasket is greater than the piezoelectric patch along axial maximum height in the power-off state
Piece is in the energized state along axial maximum height.
Above scheme may insure that piezoelectricity gasket reduces compared to the height of off-position lower edge axial direction in the energized state,
The mesh for increasing the gap between the upper surface of piezoelectricity gasket and the lower surface of fixture nut in the energized state may be implemented in this way
, to make elastic footrest preferably decay in vibration of compressor the vibrational energy that is transmitted on chassis, to reduce system
Noise and vibration.
Wherein in an embodiment, the upper surface of the piezoelectricity gasket is in the curved surface of middle part protrusion in the power-off state, described
The upper surface of piezoelectricity gasket is in the curved surface or plane for the curvature that curvature is less than under off-position in the energized state.
Specifically, during air-conditioner outdoor unit transports, piezoelectricity gasket uses obstructed power mode, and piezoelectricity gasket is in middle part
The curved-surface shape of protrusion, gapless or gap are smaller between fixture nut, can meet falling in transportational process, and collision etc. is asked
The demand of topic；After air conditioner, which is installed, to be powered, piezoelectricity gasket becomes the lesser curved surface of curvature or flat in electricity condition, former curved surface is connect
Gap increases between face, with fixture nut, only needs elastic footrest vibration isolation at this time, elastic footrest can use rubber material such as three
First EP rubbers or natural rubber select the lower softer material of rigidity, vibration of compressor can be effectively reduced, to reduce and be
System noise.Certainly, the form before and after piezoelectricity gasket is powered is not limited to above-mentioned specific restriction, as long as can be realized the energization of piezoelectricity gasket
Reduce afterwards along axial height, so that the gap between the upper surface of piezoelectricity gasket and the lower surface of fixture nut increases, not
It is detached from design concept of the invention.
Wherein in an embodiment, the piezoelectric patch on piece is connected with the conducting wire for accessing electric current, by piezoelectric patch
Piece applies the phenomenon that electric field causes piezoelectricity gasket mechanically deform；In one specific embodiment, conducting wire is welded on piezoelectric patch on piece, adds
Work is simple, fixation, high reliablity.
Wherein in an embodiment, the elastic footrest is ethylene propylene diene rubber foot pad or natural rubber foot pad.Elastic footrest
Using rigidity lower softer ethylene propylene diene rubber or natural rubber etc., vibration of compressor can further be effectively reduced, thus
Reduce system noise；Certainly, the material of elastic footrest is not limited to above-mentioned specific restriction.
The technical solution of second aspect of the present invention provides a kind of air conditioner, comprising: chassis；Compressor；With such as above-mentioned
Compressor vibration insulation structure described in one technical solution, the compressor are supported on the chassis by the compressor vibration insulation structure
On.
The air conditioner that above-mentioned technical proposal of the present invention provides, because it include compressor described in any of the above-described technical solution every
Vibration structure, thus the beneficial effect with compressor vibration insulation structure described in any of the above-described technical solution.
Wherein in an embodiment, the compressor includes compressor body and the compression that is fixed on the compressor body
Machine footing, the elastic footrest are connect to support the compressor body with the compressor leg, and the piezoelectricity gasket is located at
The top of the compressor leg.
Above-mentioned design piezoelectricity gasket is located at the top of compressor leg, realizes that the weight of compressor body is all pressed in elasticity
On foot pad, and piezoelectricity gasket is not subject to the weight of compressor body, to utilize elastic footrest fall-off compression machine ontology well
Vibration and noise, and avoid piezoelectricity gasket because intensity deficiency due to damage.
Wherein in an embodiment, the air conditioner includes: power supply circuit, is electrically connected with the piezoelectricity gasket, is used for institute
It states piezoelectricity gasket and electric current is provided；And controller, it is electrically connected with the power supply circuit, for the operating status according to the compressor
It controls the power supply circuit and the electric current being adapted to the operating status of the compressor is provided to the piezoelectricity gasket.
In power supply circuit no power, piezoelectricity gasket is in off-position；When power supply circuit is powered, according to compressor
The size of current that operating status control power supply circuit is provided to piezoelectricity gasket can change piezoelectricity by changing size of current in this way
The deflection of gasket, to change the gap size between piezoelectricity gasket and fixture nut, so that preferably fall-off compression machine is transported
Vibration and noise when row.
Wherein in an embodiment, the operating status of the compressor includes: that compressor starts operation and operation are no more than the
First operating status of one preset duration, compressor run more than the second operating status and compressor of the first preset duration
The third operating status out of service and out of service for being no more than the second preset duration；The power supply circuit is at the compressor
It is all larger than to the electric current that the piezoelectricity gasket provides equal at the compressor when the first operating status and third operating status
The size of the electric current provided when the second operating status to the piezoelectricity gasket.
Specifically, vibration of the compressor in shutdown process is typically larger than vibration when compressor operates normally, therefore can
Biggish electric current is provided to piezoelectricity gasket to control power supply circuit during start/stop of compressor, piezoelectric patch piece can in this way produced
Raw a greater degree of axial deformation decays to provide bigger deformation space to elastic footrest convenient for elastic footrest well
The vibration of compressor and noise；And compressor runs smoothly in compressor normal course of operation, shakes when with respect to start/stop of compressor
It is dynamic to reduce, suitably reduce the electric current that power supply circuit is provided to piezoelectricity gasket at this time, piezoelectric patch piece can be made suitable along axial deformation
Work as reduction, the deformation space of elastic footrest reduces, can also ensure that at this time elastic footrest well the vibration of fall-off compression machine and
Noise, while avoiding energy waste caused by high current.
Wherein in an embodiment, the upper surface of the piezoelectricity gasket when the power supply circuit is powered off with the fixture nut
Lower surface between gap d, the piezoelectricity gasket upper surface when the compressor is in the first operating status with it is described
The upper surface of gap d 1, the piezoelectricity gasket between the lower surface of fixture nut is in the second operating status in the compressor
When and the lower surface of the fixture nut between gap d 2, the piezoelectricity gasket upper surface be in third in the compressor
Gap d 3 when operating status between the lower surface of the fixture nut, meets relational expression: d < d2≤d1, d < d2≤d3.
Above scheme is controlled in the form of piezoelectricity gasket by realizing with transport, start and stop, the form for operating normally three kinds of states, makes to press
Contracting machine vibration insulation structure takes into account vibration and noise reducing and falls the requirement of transport and pipeline stress；In one specific embodiment, d1=d3.
Wherein in an embodiment, the air conditioner includes: power supply circuit, is electrically connected with the piezoelectricity gasket, in institute
It states and provides the electric current of default size to the piezoelectricity gasket when air conditioner is powered.
Above scheme may be implemented to provide the electric current of constant size to piezoelectricity gasket when power supply circuit is powered, and power supply circuit is not
Energization Shi Buxiang piezoelectricity gasket provides electric current, thus taking into account vibration and noise reducing and falling the same of transport and the requirement of pipeline stress
When, so that the control function of air conditioner is more simplified.
The technical solution of third aspect present invention provides a kind of control method of air conditioner, for control as it is above-mentioned wherein
Air conditioner described in one or several technical solutions, the control method include: to obtain the operating status of compressor；According to described
The operating status of compressor controls power supply circuit and provides the electric current being adapted to the operating status of the compressor to piezoelectricity gasket.
The control method for the air conditioner that above-mentioned technical proposal of the present invention provides, in power supply circuit no power, piezoelectricity gasket
It, in this way can be in air-conditioning transportational process in off-position, it is ensured that gapless or tool between piezoelectricity gasket and fixture nut
Have small gap, meet in transportational process the problems such as falling, collide；When power supply circuit is powered, piezoelectricity gasket is in connect electric shape
State, using the inverse piezoelectric effect of piezoelectricity gasket, piezoelectricity gasket occurs when being powered along axial deformation, and piezoelectricity gasket is in energization shape
Gap under state between fixture nut increases, and only needs elastic footrest vibration isolation at this time, vibration of compressor can be effectively reduced, from
And reduce system noise；Operating status control power supply circuit when power supply circuit is powered also according to compressor is mentioned to piezoelectricity gasket
The size of current of confession, in this way can by change size of current change piezoelectricity gasket deflection, thus change piezoelectricity gasket with
Gap size between fixture nut, thus vibration and noise when preferably fall-off compression machine is run.
It is described that power supply circuit is controlled to the offer of piezoelectricity gasket according to the operating status of the compressor wherein in an embodiment
The electric current being adapted to the operating status of the compressor, comprising: run and run in the compressor starts and is pre- no more than first
If when duration, controlling the power supply circuit to the piezoelectricity gasket and providing the first predetermined current；It is run more than in the compressor
When the first preset duration, the power supply circuit is controlled to the piezoelectricity gasket, the second predetermined current is provided；Stop in the compressor
Only operation and out of service when being no more than the second preset duration, controlling the power supply circuit, to the piezoelectricity gasket to provide third pre-
If electric current.
Wherein in an embodiment, first predetermined current and the third predetermined current are all larger than the described second default electricity
The size of stream.
Specifically, in air-conditioning transportational process, power supply circuit no power, piezoelectricity gasket is in off-position, it is ensured that piezoelectricity
Between gasket and fixture nut gapless or have small gap, meet in transportational process the problems such as falling, collide；In sky
After adjusting installation to be powered, using the inverse piezoelectric effect of piezoelectricity gasket, can be controlled according to the operating status of compressor power supply circuit to
The size of current that piezoelectricity gasket provides, specifically, vibration of the compressor in shutdown process are typically larger than compressor normal operation
When vibration, therefore power supply circuit can be controlled during start/stop of compressor and provide biggish electric current to piezoelectricity gasket, in this way
Bigger deformation space can be provided to elastic footrest, convenient for the elastic footrest vibration of fall-off compression machine and noise well；And
Suitably reduce the electric current that power supply circuit is provided to piezoelectricity gasket in compressor normal course of operation, can also ensure that elastic footrest
The vibration of fall-off compression machine and noise well avoid energy waste caused by high current；To realize piezoelectricity gasket form with
Transport, start and stop, the form control for operating normally three kinds of states；In one specific embodiment, the first predetermined current and third are default
Size of current is equal.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the compressor vibration insulation structure of one embodiment of the invention；
Fig. 2 is the flow diagram of the control method of the air conditioner of one embodiment of the invention.
Wherein, the appended drawing reference in Fig. 1 and the corresponding relationship between component names are as follows:
1 elastic footrest, 11 through-holes, 2 piezoelectricity gaskets, 3 fixing bolts, 4 fixture nuts, 5 chassis, 6 compressor legs.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to Fig. 1 and Fig. 2 description compressor vibration insulation structure described according to some embodiments of the invention, air conditioner and
The control method of air conditioner.
As shown in Figure 1, a kind of compressor vibration insulation structure provided according to some embodiments of the present invention, comprising: elastic foot
Pad 1, piezoelectricity gasket 2, fixing bolt 3 and fixture nut 4.
Specifically, as shown in Figure 1, piezoelectricity gasket 2 is set to the top of elastic footrest 1, piezoelectricity gasket 2 is imitated with inverse piezoelectricity
It answers, piezoelectricity gasket 2 can occur when being powered along axial deformation；Fixing bolt 3 is arranged in elastic footrest 1 and piezoelectricity gasket 2,
Specifically, through-hole 11 is offered on elastic footrest 1 and piezoelectricity gasket 2, fixing bolt 3 is arranged in through-hole 11；Fixture nut 4
It is set in the top of fixing bolt 3, makes piezoelectricity gasket 2 between elastic footrest 1 and fixture nut 4, the upper table of piezoelectricity gasket 2
The gap between the lower surface of fixture nut 4 is less than the upper surface of piezoelectricity gasket 2 in the energized state in the power-off state in face
Gap between the lower surface of fixture nut 4.
The compressor vibration insulation structure that the above embodiment of the present invention provides, using the cooperation of elastic footrest 1 and piezoelectricity gasket 2,
Both it can preferably meet the requirement for falling transport and stress, while possess preferable vibration and noise reducing performance.Specifically, in air conditioning chamber
During outer machine transport, piezoelectricity gasket 2 uses obstructed power mode, and piezoelectricity gasket 2 is in the power-off state between fixture nut 4
Lesser gap or gapless are kept, can reduce the deformation space of elastic footrest 1 in this way, improves entire compressor vibration isolation knot
The rigidity of structure meets demand the problems such as falling, collide in transportational process；After air conditioner, which is installed, to be powered, piezoelectricity gasket 2 is in
Electricity condition is connect, using the inverse piezoelectric effect of piezoelectricity gasket 2, piezoelectricity gasket 2 occurs when being powered along axial deformation, piezoelectricity gasket
The 2 gap increases between fixture nut 4 in the energized state, elastic footrest 1 has biggish deformation space at this time, it is only necessary to
1 vibration isolation of elastic footrest, can be effectively reduced vibration of compressor, to reduce system noise；Elastic footrest 1 can using rigidity compared with
Low softer rubber material specifically such as uses ethylene propylene diene rubber or natural rubber, compressor can further be effectively reduced
Vibration, to reduce system noise；Compared to traditional compressor foot pad, this programme combine vibration and noise reducing and fall transport and
The requirement of pipeline stress is optimal each index of correlation of air-conditioning system.
In some of embodiments, the upper surface of piezoelectricity gasket 2 is in the power-off state between the lower surface of fixture nut 4
Gap be more than or equal to 0mm and be less than or equal to 2mm, namely design piezoelectricity gasket 2 upper surface in the power-off state with fixed spiral shell
Gap between the lower surface of mother 4 is not more than 2mm.To the product (such as air conditioner) of the compressor using the above embodiment of the present invention
Fall-down test is carried out, is known when the gap between the upper surface of piezoelectricity gasket 2 and the lower surface of fixture nut 4 is greater than 2mm, no
Be able to satisfy product drop performance requirement, thus by the upper surface of design piezoelectricity gasket 2 in the power-off state with fixture nut 4
Gap between lower surface is not more than 2mm, to ensure that (piezoelectricity gasket 2 is in piezoelectricity gasket 2 in transportational process during transportation
Off-position) and fixture nut 4 between gapless or there is lesser gap, the deformation that can reduce elastic footrest 1 in this way is empty
Between, the rigidity of entire compressor vibration insulation structure is improved, demand the problems such as falling, collide in transportational process is met；It is simultaneously
Ensure that the upper surface of piezoelectricity gasket 2 has sufficiently large gap between the lower surface of fixture nut 4 in the energized state, with
Elastic footrest 1 is enabled when compressor operating preferably to decay the vibration being transmitted on chassis 5, it in this way can be comprehensive in design
Close consider piezoelectricity gasket 2 the electric two kinds of different conditions lower piezoelectric gaskets 2 of switching upper surface and fixture nut 4 lower surface it
Between gap, thus falling during not only having met Product transport, collision demand, but also meet vibration and noise reducing need when product work
It asks, i.e., the gap between the lower surface of fixture nut 4 can be according to practical need in the power-off state for the upper surface of piezoelectricity gasket 2
Will within the scope of 0mm~2mm value, such as 0mm, 1mm, 2mm, naturally it is also possible to be other values within the scope of this, or according to
Actual needs takes other numerical value other than the range, all without departing from design concept of the invention.
Wherein in an embodiment, the upper surface of piezoelectricity gasket 2 is in the power-off state between the lower surface of fixture nut 4
Gap is equal to 0mm, and gap of the upper surface of piezoelectricity gasket 2 in the energized state between the lower surface of fixture nut 4 is greater than
0mm。
Above scheme had both ensured piezoelectricity gasket 2 (piezoelectricity gasket 2 is in off-position in transportational process) during transportation
The gapless between fixture nut 4 improves entire to reduce the deflection of elastic footrest 1 during transportation as much as possible
The rigidity of compressor vibration insulation structure meets demand the problems such as falling, collide in transportational process；Also ensure that piezoelectricity gasket 2 exists
Air-conditioning installation has gap between (piezoelectricity gasket 2 is in energized state after air-conditioning installation is powered) and fixture nut 4 after being powered, from
And elastic footrest 1 is preferably decayed the vibrational energy being transmitted on chassis 5 in vibration of compressor, to reduce and be
System noise and vibration.
Wherein in an embodiment, piezoelectricity gasket 2 can occur when being powered along axial deformation, and piezoelectricity gasket 2 is disconnected
The maximum height of electricity condition lower edge axial direction is greater than piezoelectricity gasket 2 in the energized state along axial maximum height, to ensure piezoelectricity
Gasket 2 reduces compared to the height of off-position lower edge axial direction in the energized state, may be implemented to increase in the energized state in this way
The purpose in the gap between the upper surface of big piezoelectricity gasket 2 and the lower surface of fixture nut 4, so that elastic footrest 1 be made to compress
Preferably decay when machine vibration the vibrational energy that is transmitted on chassis 5, to reduce system vibration and noise.
In one specific embodiment, as shown in Figure 1, the upper surface of piezoelectricity gasket 2 is in middle part protrusion in the power-off state
Curved surface, the upper surface of piezoelectricity gasket 2 are in the curved surface or plane for the curvature that curvature is less than under off-position in the energized state.Tool
Body, during air-conditioner outdoor unit transport, piezoelectricity gasket 2 uses obstructed power mode, and piezoelectricity gasket 2 is in the song of middle part protrusion
The need for the problems such as gapless or gap are smaller between face form, with fixture nut 4, can meet falling in transportational process, collision
It asks；After air conditioner, which is installed, to be powered, for piezoelectricity gasket 2 in connecing electricity condition, former curved surface becomes the lesser curved surface of curvature or plane, and solid
Determine gap between nut 4 to increase, only needs 1 vibration isolation of elastic footrest at this time, elastic footrest 1 can use rubber material such as ternary second
Third rubber or natural rubber select the lower softer material of rigidity, vibration of compressor can be effectively reduced, to reduce system noise
Sound.
Certainly, the form before and after piezoelectricity gasket 2 is powered is not limited to above-mentioned specific restriction, as long as can be realized piezoelectricity gasket 2
Height after energization along axial height compared to energization forward position axial direction reduces so that after being powered the upper surface of piezoelectricity gasket 2 with
Gap between the lower surface of fixture nut 4 increases, all without departing from design concept of the invention.
Wherein in an embodiment, the conducting wire for accessing electric current is connected on piezoelectricity gasket 2, by piezoelectricity gasket 2
Apply the phenomenon that electric field causes piezoelectricity 2 mechanically deform of gasket；In one specific embodiment, conducting wire is welded on piezoelectricity gasket 2, is added
Work is simple, fixation, high reliablity.It is of course also possible to use conducting wire is fixed on piezoelectricity gasket 2 by other connection types.
Specifically, piezoelectricity gasket 2 can be piezoelectric ceramic piece, piezoelectric crystal plate, piezopolymer etc..
Wherein in an embodiment, elastic footrest 1 is ethylene propylene diene rubber foot pad or natural rubber foot pad.Elastic footrest 1 is adopted
With rigidity lower softer ethylene propylene diene rubber or natural rubber etc., vibration of compressor can further be effectively reduced, to drop
Low system noise；Certainly, the material of elastic footrest 1 is not limited to above-mentioned specific restriction.
As shown in Figure 1, the embodiment of second aspect of the present invention provides a kind of air conditioner, comprising: chassis 5, compressor and
Such as the compressor vibration insulation structure of above-mentioned any embodiment, compressor is supported on chassis 5 by compressor vibration insulation structure.
The air conditioner that the above embodiment of the present invention provides, because it includes the compressor vibration insulation structure of any of the above-described embodiment,
The thus beneficial effect of the compressor vibration insulation structure with any of the above-described embodiment, details are not described herein.
Wherein in an embodiment, as shown in Figure 1, compressor includes compressor body and the pressure that is fixed on compressor body
Contracting machine footing 6, elastic footrest 1 are connect to support compressor body with compressor leg 6, and piezoelectricity gasket 2 is located at compressor leg 6
Top, realize that the weight of compressor body is all pressed on elastic footrest 1, and piezoelectricity gasket 2 is not subject to compressor body
Weight, thus using elastic footrest 1 vibration of fall-off compression machine ontology and noise well, and avoid piezoelectricity gasket 2 because of intensity
It is insufficient and damage.Certainly, if the intensity of piezoelectricity gasket 2 is enough, piezoelectricity gasket 2 can also be set to the lower section of compressor foot pad 6,
Or piezoelectricity gasket 2 is set to the other positions such as the lower part of elastic footrest 1.
In one embodiment of the invention, air conditioner includes: power supply circuit and controller, power supply circuit and piezoelectricity gasket
2 electrical connections, for providing electric current to piezoelectricity gasket 2；Controller is electrically connected with power supply circuit, for the operation shape according to compressor
State controls power supply circuit and provides the electric current being adapted to the operating status of compressor to piezoelectricity gasket 2.
Above-described embodiment, in power supply circuit no power, piezoelectricity gasket 2 is in off-position；When power supply circuit is powered,
The size of current that power supply circuit is provided to piezoelectricity gasket 2 is controlled according to the operating status of compressor, it in this way can be by changing electricity
The deflection that size changes piezoelectricity gasket 2 is flowed, to change the gap size between piezoelectricity gasket 2 and fixture nut 4, thus more
Vibration and noise when fall-off compression machine is run well.
Specifically, the operating status of compressor includes: that compressor starts operation and operation are no more than the first preset duration
First operating status, compressor run more than the first preset duration the second operating status and compressor it is out of service and stop
Only operation is no more than the third operating status of the second preset duration；Power supply circuit is in the first operating status and third in compressor
It is all larger than when operating status to the electric current that piezoelectricity gasket 2 provides when being in the second operating status equal to compressor to piezoelectricity gasket 2
The size of the electric current of offer.
Typically, the electric current provided to piezoelectricity gasket 2 is bigger, and the deformation of piezoelectricity gasket 2 is more violent, and compressor is in start and stop
Vibration in the process is typically larger than vibration when compressor operates normally, therefore power supply can be controlled during start/stop of compressor
Circuit provides biggish electric current to piezoelectricity gasket 2, piezoelectric patch piece can be made to generate a greater degree of axial deformation in this way, to give
Elastic footrest 1 provides bigger deformation space, convenient for elastic footrest 1 vibration of fall-off compression machine and noise well；And it is pressing
Compressor runs smoothly in contracting machine normal course of operation, and vibration reduces when opposite start/stop of compressor, appropriate at this time to reduce power supply electricity
The electric current that road direction piezoelectricity gasket 2 provides can be such that piezoelectric patch piece 2 suitably reduces along axial deformation, and the deformation of elastic footrest 1 is empty
Between reduce, can also ensure that elastic footrest 1 vibration of fall-off compression machine and noise well at this time, while high current being avoided to cause
Energy waste.
Further, between the upper surface of piezoelectricity gasket 2 is when power supply circuit is powered off between the lower surface of fixture nut 4
Gap of the upper surface when compressor is in the first operating status between the lower surface of fixture nut 4 of gap d, piezoelectricity gasket 2
Gap of the upper surface when compressor is in the second operating status between the lower surface of fixture nut 4 of d1, piezoelectricity gasket 2
Gap of the upper surface when compressor is in third operating status between the lower surface of fixture nut 4 of d2, piezoelectricity gasket 2
D3 meets relational expression: d < d2≤d1, d < d2≤d3, in a specific embodiment, d1=d3.
Above scheme is controlled in the form of piezoelectricity gasket 2 by realizing with transport, start and stop, the form for operating normally three kinds of states, is made
Compressor vibration insulation structure takes into account vibration and noise reducing and falls the requirement of transport and pipeline stress.
In one specific embodiment, by controlling the size for the electric current that power supply circuit is provided to piezoelectricity gasket 2, change piezoelectricity
The deflection of gasket 2 specifically, during transportation, does not mention to change the axial height of piezoelectricity gasket 2 to piezoelectricity gasket 2
For electric current, the upper surface of piezoelectricity gasket 2 is in the curved surface of middle part protrusion in the power-off state；When compressor operates normally, to piezoelectricity
Gasket 2 provides relatively small electric current, is in curvature when the upper surface of piezoelectricity gasket 2 is in the energized state and compressor operates normally
Less than the curved surface of the curvature under off-position；During start/stop of compressor, relatively large electric current is provided to piezoelectricity gasket 2,
Electric current when operating normally slightly larger than compressor, the upper surface of piezoelectricity gasket 2 is in the energized state and start/stop of compressor process
In be in plane, to realize that 2 form of piezoelectricity gasket is controlled with transport, start and stop, the form for operating normally three kinds of states.
As shown in Fig. 2, the embodiment of third aspect present invention provides a kind of control method of air conditioner, for controlling such as
The air conditioner of above-described embodiment, control method include:
S102 obtains the operating status of compressor；
S104 controls operation shape of the power supply circuit to piezoelectricity gasket 2 offer and compressor according to the operating status of compressor
The electric current of state adaptation.
The control method for the air conditioner that the above embodiment of the present invention provides, in power supply circuit no power, at piezoelectricity gasket 2
It, in this way can be in air-conditioning transportational process in off-position, it is ensured that gapless or tool between piezoelectricity gasket 2 and fixture nut 4
Have small gap, meet in transportational process the problems such as falling, collide；When power supply circuit is powered, piezoelectricity gasket 2 is in connect electric shape
State, using the inverse piezoelectric effect of piezoelectricity gasket 2, piezoelectricity gasket 2 occurs when being powered along axial deformation, and piezoelectricity gasket 2 is logical
Gap under electricity condition between fixture nut 4 increases, and only needs 1 vibration isolation of elastic footrest at this time, compressor can be effectively reduced
Vibration, to reduce system noise；Power supply circuit is controlled to pressure also according to the operating status of compressor when power supply circuit is powered
The size of current that electrical pad piece 2 provides can change the deflection of piezoelectricity gasket 2, to change by changing size of current in this way
Gap size between piezoelectricity gasket 2 and fixture nut 4, thus vibration and noise when preferably fall-off compression machine is run.
In one embodiment of the invention, power supply circuit is controlled according to the operating status of compressor to mention to piezoelectricity gasket 2
The electric current being adapted to for the operating status with compressor, comprising: run and run no more than the first preset duration in compressor starts
When, control power supply circuit provides the first predetermined current to piezoelectricity gasket 2；When compressor runs more than the first preset duration, control
Power supply circuit processed provides the second predetermined current to piezoelectricity gasket 2；It is out of service and out of service to be no more than second pre- in compressor
If when duration, control power supply circuit provides third predetermined current to piezoelectricity gasket 2.Specifically, the first predetermined current, second are preset
Electric current, third predetermined current value can rationally design according to the actual situation.
In some of embodiments, the first predetermined current and third predetermined current are all larger than the size of the second predetermined current.
In one specific embodiment, the first predetermined current and third predetermined current it is equal in magnitude.
Specifically, power supply circuit no power, piezoelectricity gasket 2 is in off-position in air-conditioning transportational process, it is ensured that pressure
Between electrical pad piece 2 and fixture nut 4 gapless or have small gap, meet in transportational process the problems such as falling, collide；
After air-conditioning installation is powered, using the inverse piezoelectric effect of piezoelectricity gasket 2, power supply electricity can be controlled according to the operating status of compressor
The size of current that road direction piezoelectricity gasket 2 provides, specifically, it is normal that vibration of the compressor in shutdown process is typically larger than compressor
Vibration when operation, therefore power supply circuit can be controlled during start/stop of compressor and provide biggish electric current to piezoelectricity gasket 2,
Bigger deformation space can be provided to elastic footrest 1 in this way, the vibration of fall-off compression machine and made an uproar well convenient for elastic footrest 1
Sound；And suitably reduce the electric current that power supply circuit is provided to piezoelectricity gasket 2 in compressor normal course of operation, it can also ensure that bullet
Property foot pad 1 vibration of fall-off compression machine and noise well, avoid energy waste caused by high current；To realize piezoelectricity gasket
2 forms are with transport, start and stop, the form control for operating normally three kinds of states.
In another embodiment of the present invention, air conditioner includes: power supply circuit, and power supply circuit is electrically connected with piezoelectricity gasket 2
It connects, for providing the electric current of default size to piezoelectricity gasket 2 when air conditioner is powered.
Above-described embodiment may be implemented to provide the electric current of constant size, power supply electricity to piezoelectricity gasket 2 when power supply circuit is powered
Road no power Shi Buxiang piezoelectricity gasket 2 provides electric current, thus taking into account vibration and noise reducing and falling wanting for transport and pipeline stress
While asking, so that the control function of air conditioner is more simplified.
It should be noted that realizing piezoelectricity gasket 2 in energization shape to realize the inverse piezoelectric effect for utilizing piezoelectricity gasket 2
Under state and obstructed electricity condition between fixture nut 4 gap change, can by reasonably select piezoelectricity gasket 2 material and its
The size for accessing electric current is come so that the deformation of mm rank occurs before and after energization along axial direction for piezoelectricity gasket 2, to meet design need
It asks；The specific material of piezoelectricity gasket 2 and its size for accessing electric current can be rationally designed according to actual needs, such as using reason
By calculating or the mode of verification experimental verification, the Proper Match of deflection before and after access size of current and piezoelectricity gasket are powered is realized.
In addition, the compressor vibration insulation structure that the embodiment of first aspect present invention provides, can be applied not only to air conditioner,
It can also be applied to other such as refrigerators of the electrical equipment with compressor etc., it, should all without departing from design concept of the invention
Within the scope of the present invention.
In conclusion compressor vibration insulation structure provided in an embodiment of the present invention, by the improvement to fixing structure of compressor,
It using the cooperation of rubber mat and piezoelectricity gasket, both can preferably meet the requirement for falling transport and stress, while possess preferably
Vibration and noise reducing performance；And piezoelectricity gasket form may be implemented with transport, start and stop, the form control for operating normally three kinds of states
System makes air-conditioning so that compressor vibration insulation structure be made preferably to take into account vibration and noise reducing and fall the requirement of transport and pipeline stress
Each index of correlation of system is optimal.
In description of the invention, it is to be understood that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or unit there must be specific direction, be constructed and operated in a specific orientation, it is thus impossible to manage
Solution is limitation of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " etc.
It shall be understood in a broad sense, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection, or electricity
Connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of compressor vibration insulation structure characterized by comprising
Elastic footrest；
Piezoelectricity gasket, set on the top of the elastic footrest, the piezoelectricity gasket can occur when being powered along axial deformation；
Fixing bolt is arranged in the elastic footrest and the piezoelectricity gasket；With
Fixture nut, is set in the top of the fixing bolt, the upper surface of the piezoelectricity gasket in the power-off state with it is described
Gap between the lower surface of fixture nut be less than the upper surface of the piezoelectricity gasket in the energized state with the fixture nut
Lower surface between gap.
2. compressor vibration insulation structure according to claim 1, which is characterized in that
Gap of the upper surface of the piezoelectricity gasket in the power-off state between the lower surface of the fixture nut is more than or equal to
0mm and be less than or equal to 2mm.
3. compressor vibration insulation structure according to claim 2, which is characterized in that
The gap between the lower surface of the fixture nut is equal to 0mm in the power-off state for the upper surface of the piezoelectricity gasket,
The gap between the lower surface of the fixture nut is greater than 0mm in the energized state for the upper surface of the piezoelectricity gasket.
4. compressor vibration insulation structure according to any one of claim 1 to 3, which is characterized in that
The piezoelectricity gasket is greater than the piezoelectricity gasket in the energized state along axis along axial maximum height in the power-off state
To maximum height.
5. compressor vibration insulation structure according to claim 4, which is characterized in that
The upper surface of the piezoelectricity gasket is in the curved surface of middle part protrusion in the power-off state, and the upper surface of the piezoelectricity gasket is logical
It is less than the curved surface or plane of the curvature under off-position under electricity condition in curvature.
6. compressor vibration insulation structure according to any one of claim 1 to 3, which is characterized in that
The piezoelectric patch on piece is connected with the conducting wire for accessing electric current.
7. compressor vibration insulation structure according to any one of claim 1 to 3, which is characterized in that
The elastic footrest is ethylene propylene diene rubber foot pad or natural rubber foot pad.
8. a kind of air conditioner characterized by comprising
Chassis；
Compressor；With
Compressor vibration insulation structure as described in any one of claims 1 to 7, the compressor pass through the compressor vibration isolation knot
Structure is supported on the chassis.
9. air conditioner according to claim 8, which is characterized in that
The compressor includes compressor body and the compressor leg that is fixed on the compressor body, the elastic footrest
It is connect with the compressor leg to support the compressor body, the piezoelectricity gasket is located at the upper of the compressor leg
Side.
10. air conditioner according to claim 8 or claim 9 characterized by comprising
Power supply circuit is electrically connected with the piezoelectricity gasket, for providing electric current to the piezoelectricity gasket；With
Controller is electrically connected with the power supply circuit, for controlling the power supply circuit according to the operating status of the compressor
The electric current being adapted to the operating status of the compressor is provided to the piezoelectricity gasket.
11. air conditioner according to claim 10, which is characterized in that
The operating status of the compressor includes: the first operation that compressor starts operation and operation are no more than the first preset duration
State, compressor run more than the first preset duration the second operating status and compressor it is out of service and it is out of service not
More than the third operating status of the second preset duration；
The power supply circuit is mentioned when the compressor is in the first operating status and third operating status to the piezoelectricity gasket
The electric current of confession is all larger than the size of the electric current provided when being in the second operating status equal to the compressor to the piezoelectricity gasket.
12. air conditioner according to claim 11, which is characterized in that
Gap of the upper surface of the piezoelectricity gasket when the power supply circuit is powered off between the lower surface of the fixture nut
D, the upper surface of the piezoelectricity gasket when the compressor is in the first operating status with the lower surface of the fixture nut it
Between gap d 1, the piezoelectricity gasket upper surface when the compressor is in the second operating status with the fixture nut
The upper surface of gap d 2, the piezoelectricity gasket between lower surface when the compressor is in third operating status with it is described solid
Determine the gap d 3 between the lower surface of nut, meet relational expression: d < d2≤d1, d < d2≤d3.
13. air conditioner according to claim 8 or claim 9 characterized by comprising
Power supply circuit is electrically connected with the piezoelectricity gasket, pre- for providing when the air conditioner is powered to the piezoelectricity gasket
If the electric current of size.
14. a kind of control method of air conditioner, which is characterized in that for controlling as described in any one of claim 10 to 12
Air conditioner, the control method include:
Obtain the operating status of compressor；
Operating status of the power supply circuit to piezoelectricity gasket offer and the compressor is controlled according to the operating status of the compressor
The electric current of adaptation.
15. the control method of air conditioner according to claim 14, which is characterized in that the fortune according to the compressor
Row state controls power supply circuit and provides the electric current being adapted to the operating status of the compressor to the piezoelectricity gasket, comprising:
When the compressor starts run and run and are no more than the first preset duration, the power supply circuit is controlled to the piezoelectricity
Gasket provides the first predetermined current；
When the compressor runs more than the first preset duration, the power supply circuit is controlled to the piezoelectricity gasket and provides second
Predetermined current；
The compressor it is out of service and it is out of service be no more than the second preset duration when, control the power supply circuit to described
Piezoelectricity gasket provides third predetermined current.
16. the control method of air conditioner according to claim 15, which is characterized in that
First predetermined current and the third predetermined current are all larger than the size equal to second predetermined current.
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| CN109681969B (en) | 2021-03-16 |
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