CN107453677A - A kind of compressor and air conditioner - Google Patents
A kind of compressor and air conditioner Download PDFInfo
- Publication number
- CN107453677A CN107453677A CN201710628857.1A CN201710628857A CN107453677A CN 107453677 A CN107453677 A CN 107453677A CN 201710628857 A CN201710628857 A CN 201710628857A CN 107453677 A CN107453677 A CN 107453677A
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- Prior art keywords
- secondary side
- input power
- control circuit
- rectifier bridge
- compressor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/26—Power factor control [PFC]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/50—Reduction of harmonics
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention proposes a kind of compressor and air conditioner, and compressor includes：Motor；Control circuit, control circuit are connected with motor, and control circuit includes：Input power cord, primary side rectifier bridge, bus capacitor, secondary side rectifier bridge, secondary side out-put supply line, input power cord is connected with primary side rectifier bridge, bus capacitor is in parallel with primary side rectifier bridge, secondary side rectifier bridge is in parallel with bus capacitor, secondary side rectifier bridge is connected with secondary side out-put supply line, and secondary side out-put supply line is connected with motor；Wherein, bus capacitor is no electrolytic capacitor, and capacitance value range is 5 μ F to 100 μ F；The ratio between line resistance value between the resistance value of secondary side out-put supply line and the terminal of motor is less than 0.1.Compressor provided by the invention reduces the unwanted losses of whole system, improves drive system and the reliability of compressor, enables the longtime running of control circuit and motor safety and stability, and make it that whole system volume is smaller, reduces cost.
Description
Technical field
The present invention relates to compressor field, in particular to a kind of compressor and air conditioner.
Background technology
The frequency converter prime of domestic air conditioning be single phase industrial frequence exchange input can not control rectifier, the big electrolysis of bus capacitor
The stable busbar voltage of electric capacity.However, big electrochemical capacitor volume is big, restricted lifetime, this strongly limits the miniaturization of system, use
Life-span.Moreover, the 3C certification clear stipulaties in China, to domestic air-conditioning system of every phase current less than 16A, each primary current harmonic wave limit
Value must is fulfilled for IEC61000-3-2 A class standards.Therefore, it is improvement current on line side quality, the air-conditioning system of big electrochemical capacitor
Need to increase circuit of power factor correction, which again increases the loss of system and cost.If using small capacitances, corresponding compression
Machine is because of limitation, it is impossible to meets automatically controlled requirement, system reliable and stable can not be run.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
Therefore, the first aspect of the invention is to propose a kind of compressor.
The second aspect of the invention is to propose a kind of compressor.
The third aspect of the invention is to propose a kind of air conditioner.
In view of this, according to the first aspect of the invention, it is proposed that a kind of compressor, including：Motor；Control circuit,
Control circuit is connected with motor, and control circuit includes：Input power cord, primary side rectifier bridge, bus capacitor, secondary side rectification
Bridge, secondary side out-put supply line, input power cord are connected with primary side rectifier bridge, and bus capacitor and primary side rectifier bridge are mutually simultaneously
Connection, secondary side rectifier bridge are in parallel with bus capacitor, and secondary side rectifier bridge is connected with secondary side out-put supply line, and secondary side is defeated
Go out power line with motor to be connected；Wherein, bus capacitor is no electrolytic capacitor, and the capacitance of bus capacitor is less than or equal to 100 μ F,
More than or equal to 5 μ F；The ratio between line resistance value between the resistance value of secondary side out-put supply line and the terminal of motor is less than
0.1。
Compressor provided by the invention, is driven by control circuit, and motor is connected with control circuit, in control circuit, is driven
Dynamic system busbar electric capacity is in parallel with primary side rectifier bridge, secondary side rectifier bridge, using no electrolytic capacitor, for absorbing bus electricity
The higher hamonic wave of stream, capacitance are less than or equal to 100 μ F, more than or equal to 5 μ F, take small volume and long lifespan, reduce system
Loss and cost, also, the ratio between the line resistance value between the resistance value of secondary side out-put supply line and the terminal of motor
Less than 0.1, control system is influenceed smaller by power supply and the fluctuation of load, and compressor operating is more stable.The present invention is by using nothing
Electrochemical capacitor defines that the input power cord of control circuit and secondary side input compressor side power line as bus capacitor
The scope of resistance, reduce the unwanted losses of whole system, improve drive system and the reliability of compressor, make control circuit
And motor is capable of the longtime running of safety and stability, and make it that whole system volume is smaller, reduce cost.
In addition, compressor provided by the invention, can also have following additional technical feature：
In the above-mentioned technical solutions, it is preferable that the inductance value of input power cord is less than or equal to 10mH, more than or equal to 1mH.
In the technical scheme, because bus capacitor value is smaller, and inactivity correction module in control circuit, it is whole to improve
The power factor of individual power supply, make system more stable, input power cord is needed with perception, and inductance value, which is preferably less than, to be equal to
10mH, more than or equal to 1mH.
In any of the above-described technical scheme, it is preferable that input power cord is connected with external inductance.
In the technical scheme, in order to more efficiently improve the power factor of power supply, power-supply fluctuation, input power are reduced
Line can connect external inductance.
In any of the above-described technical scheme, it is preferable that the inductance value of input power cord and the inductance value sum of external inductance
Less than or equal to 10mH, more than or equal to 1mH.
In the technical scheme, the inductance value sum of the inductance value of input power cord and external inductance should be in 1mH to 10mH
In the range of, so as to improve the power factor of whole power supply, ensure the stability of system.
In any of the above-described technical scheme, it is preferable that input power cord is in the shape of a spiral or bending-like.
In the technical scheme, to filter out the interference of the high-frequency impulse of power line, the reliability of system is improved, power line can be special
Different coiling, helical form or bending-like can be used.
In any of the above-described technical scheme, it is preferable that the input power of control circuit is single phase poaer supply.
In the technical scheme, the control circuit of compressor is powered using single phase poaer supply.
In any of the above-described technical scheme, it is preferable that bus capacitor is thin-film capacitor.
In the technical scheme, bus capacitor uses thin-film capacitor, the dielectric loss very little of thin-film capacitor, more efficiently
The unwanted losses of reduction system, improve the power factor of power supply.
According to the second aspect of the invention, it is proposed that a kind of compressor, including：Motor；Control circuit, control circuit with
Motor is connected, and control circuit includes：Input power cord, primary side rectifier bridge, bus capacitor, secondary side rectifier bridge, secondary side
Out-put supply line, input power cord are connected with primary side rectifier bridge, and bus capacitor is in parallel with primary side rectifier bridge, secondary side
Rectifier bridge is in parallel with bus capacitor, and secondary side rectifier bridge is connected with secondary side out-put supply line, secondary side out-put supply line
It is connected with motor；Wherein, bus capacitor is no electrolytic capacitor, and the capacitance of bus capacitor is less than or equal to 100 μ F, is more than or equal to
5μF；The inductance value of input power cord is less than or equal to 10mH, more than or equal to 1mH.
Compressor provided by the invention, is driven by control circuit, and motor is connected with control circuit, in control circuit, is driven
Dynamic system busbar electric capacity is in parallel with primary side rectifier bridge, secondary side rectifier bridge, using no electrolytic capacitor, for absorbing bus electricity
The higher hamonic wave of stream, capacitance are less than or equal to 100 μ F, more than or equal to 5 μ F, take small volume and long lifespan, reduce system
Loss and cost, also, because bus capacitor value is smaller, there is no capability correction module in control circuit, to improve whole electricity
The power factor in source, control system is set to be influenceed by power supply and the fluctuation of load smaller, compressor operating is more stable, input power cord
Need with perception, inductance value is less than or equal to 10mH, more than or equal to 1mH.The present invention is by using no electrolytic capacitor as bus
Electric capacity, and the scope of the inductance value of control circuit input power cord is defined, reduce the unwanted losses of whole system, improve
The reliability of drive system and compressor, enable the longtime running of control circuit and motor safety and stability, and cause whole system
Volume of uniting is smaller, reduces cost.
In addition, compressor provided by the invention, can also have following additional technical feature：
In the above-mentioned technical solutions, it is preferable that input power cord is connected with external inductance.
In the technical scheme, in order to more efficiently improve the power factor of power supply, power-supply fluctuation, input power are reduced
Line can connect external inductance.
In any of the above-described technical scheme, it is preferable that the inductance value of input power cord and the inductance value sum of external inductance
Less than or equal to 10mH, more than or equal to 1mH.
In the technical scheme, the inductance value sum of the inductance value of input power cord and external inductance should be in 1mH~10mH
In the range of, so as to improve the power factor of whole power supply, ensure the stability of system.
In any of the above-described technical scheme, it is preferable that input power cord is in the shape of a spiral or bending-like.
In the technical scheme, to filter out the interference of the high-frequency impulse of power line, the reliability of system is improved, power line can be special
Different coiling, helical form or bending-like can be used.
In any of the above-described technical scheme, it is preferable that the input power of control circuit is single phase poaer supply.
In the technical scheme, the control circuit of compressor is powered using single phase poaer supply.
In any of the above-described technical scheme, it is preferable that bus capacitor is thin-film capacitor.
In the technical scheme, bus capacitor uses thin-film capacitor, the dielectric loss very little of thin-film capacitor, more efficiently
The unwanted losses of reduction system, improve the power factor of power supply.
According to the third aspect of the present invention, it is proposed that the compression in a kind of air conditioner, including any of the above-described technical scheme
Machine.
According to the air conditioner of the present invention, including the compressor in any of the above-described technical scheme, thus possesses above-mentioned compressor
Whole beneficial effects, will not be repeated here.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 shows the compressor electric motor control circuit structural representation of one embodiment of the present of invention；
Fig. 2 shows the vertical cross-section diagram of the compressor of one embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 and Fig. 2 between reference and component names is：
1 compressor, 12 motors, 122 stators, 124 rotors, 104 input power cords, 106 primary side rectifier bridges, 108 buses
Electric capacity, 110 secondary side rectifier bridges, 112 secondary side out-put supply lines.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
As shown in figure 1, the embodiment of first aspect present invention, proposes a kind of compressor, including：
Motor 12；
Control circuit, control circuit is connected with motor 12, as shown in figure 1, control circuit includes：
Input power cord 104, primary side rectifier bridge 106, bus capacitor 108, secondary side rectifier bridge 110, secondary side output
Power line 112, input power cord 104 are connected with primary side rectifier bridge 106, bus capacitor 108 and the phase of primary side rectifier bridge 106
Parallel connection, secondary side rectifier bridge 110 are in parallel with bus capacitor 108, secondary side rectifier bridge 110 and secondary side out-put supply line 112
It is connected, secondary side out-put supply line 112 is connected with motor 12；
Wherein, bus capacitor 108 is no electrolytic capacitor, and the capacitance of bus capacitor 108 is less than or equal to 100 μ F, more than etc.
In 5 μ F；
The ratio between line resistance value between the resistance value of secondary side out-put supply line 112 and the terminal of motor is less than 0.1.
In this embodiment, compressor, being driven by control circuit, motor 12 is connected with control circuit, in control circuit,
Drive system bus capacitor 108 is in parallel with primary side rectifier bridge 106, secondary side rectifier bridge 110, using no electrolytic capacitor, uses
In the higher hamonic wave for absorbing bus current, capacitance is less than or equal to 100 μ F, more than or equal to 5 μ F, takes small volume and life-span
It is long, reduce loss and the cost of system, also, the line between the resistance value of secondary side out-put supply line 112 and the terminal of motor
Ratio between resistance value is less than 0.1, and control system is influenceed smaller by power supply and the fluctuation of load, and compressor operating is more stable.
Such as：Line resistance between the terminal of motor is R=1 Ω, resistance the r=0.05 Ω, r/R=of secondary side out-put supply line 112
0.05 meets the requirement that ratio is less than 0.1.The present invention, as bus capacitor, and defines that control is electric by using no electrolytic capacitor
The scope of the resistance of input power cord and secondary side the input compressor side power line on road, reduce the useless damage of whole system
Consumption, improves drive system and the reliability of compressor, enables the longtime running of control circuit and motor safety and stability, and make
It is smaller to obtain whole system volume, reduces cost.
In one embodiment of the invention, the inductance value of input power cord 104 is less than or equal to 10mH, more than or equal to 1mH.
In this embodiment, because bus capacitor value is smaller, and inactivity correction module in control circuit, it is whole to improve
The power factor of power supply, make system more stable, input power cord 104 needs to be less than or equal to 10mH with perception, inductance value, be more than
Equal to 1mH.
In one embodiment of the invention, it is preferable that input power cord 104 is connected with external inductance.
In this embodiment, in order to more efficiently improve the power factor of power supply, power-supply fluctuation, input power cord are reduced
104 can connect external inductance.
In one embodiment of the invention, it is preferable that the inductance value of input power cord 104 and the inductance value of external inductance
Sum is less than or equal to 10mH, more than or equal to 1mH.
In this embodiment, the inductance value of input power cord 104 should be in 1mH~10mH with the inductance value sum of external inductance
In the range of, so as to improve the power factor of whole power supply, ensure the stability of system.
In one embodiment of the invention, it is preferable that input power cord 104 is in the shape of a spiral or bending-like.
In this embodiment, to filter out the interference of the high-frequency impulse of input power cord 104, the reliability of system, input are improved
Power line 104 can special coiling, helical form or bending-like can be used.
In one embodiment of the invention, it is preferable that the input power of control circuit is single phase poaer supply.
In this embodiment, the control circuit of compressor is powered using single phase poaer supply.
In one embodiment of the invention, it is preferable that bus capacitor 108 is thin-film capacitor.
In this embodiment, bus capacitor 108 uses thin-film capacitor, and the dielectric loss very little of thin-film capacitor is more efficient
Ground reduces the unwanted losses of system, improves the power factor of power supply.
As shown in Fig. 2 the embodiment of second aspect of the present invention, proposes a kind of compressor, including：
Motor 12；
Control circuit, control circuit are connected with motor 12, and control circuit includes：
Input power cord 104, primary side rectifier bridge 106, bus capacitor 108, secondary side rectifier bridge 110, secondary side output
Power line 112, input power cord 104 are connected with primary side rectifier bridge 106, bus capacitor 108 and the phase of primary side rectifier bridge 106
Parallel connection, secondary side rectifier bridge 110 are in parallel with bus capacitor 108, secondary side rectifier bridge 110 and secondary side out-put supply line 112
It is connected, secondary side out-put supply line 112 is connected with motor 12；
Wherein, bus capacitor 108 is no electrolytic capacitor, and the capacitance of bus capacitor 108 is less than or equal to 100 μ F, more than etc.
In 5 μ F；
The inductance value of input power cord 104 is less than or equal to 10mH, more than or equal to 1mH.
In this embodiment, compressor, being driven by control circuit, motor 12 is connected with control circuit, in control circuit,
Drive system bus capacitor 108 is in parallel with primary side rectifier bridge 106, secondary side rectifier bridge 110, using no electrolytic capacitor, uses
In the higher hamonic wave for absorbing bus current, capacitance is less than or equal to 100 μ F, more than or equal to 5 μ F, takes small volume and life-span
It is long, reduce loss and the cost of system, also, because bus capacitor value is smaller, there is no capability correction module in control circuit,
To improve the power factor of whole power supply, control system is set to be influenceed by power supply and the fluctuation of load smaller, compressor operating is more steady
Fixed, input power cord 104 is needed with perception, and inductance value is less than or equal to 10mH, more than or equal to 1mH.The present invention is by using nothing
Electrochemical capacitor defines the scope of the inductance value of control circuit input power cord as bus capacitor, reduces whole system
Unwanted losses, improve drive system and the reliability of compressor, enable the long-term of control circuit and motor safety and stability
Operation, and make it that whole system volume is smaller, reduce cost.
In one embodiment of the invention, it is preferable that input power cord 104 is connected with external inductance.
In this embodiment, in order to more efficiently improve the power factor of power supply, power-supply fluctuation, input power cord are reduced
104 can connect external inductance.
In one embodiment of the invention, it is preferable that the inductance value of input power cord 104 and the inductance value of external inductance
Sum is less than or equal to 10mH, more than or equal to 1mH.
In this embodiment, the inductance value of input power cord 104 should be in 1mH to 10mH with the inductance value sum of external inductance
In the range of, so as to improve the power factor of whole power supply, ensure the stability of system.
In one embodiment of the invention, it is preferable that input power cord 104 is in the shape of a spiral or bending-like.
In this embodiment, to filter out the interference of the high-frequency impulse of input power cord 104, the reliability of system, input are improved
Power line 104 can special coiling, helical form or bending-like can be used.
In one embodiment of the invention, it is preferable that the input power of control circuit is single phase poaer supply.
In this embodiment, the control circuit of compressor is powered using single phase poaer supply.
In one embodiment of the invention, it is preferable that bus capacitor 108 is thin-film capacitor.
In this embodiment, bus capacitor 108 uses thin-film capacitor, and the dielectric loss very little of thin-film capacitor is more efficient
Ground reduces the unwanted losses of system, improves the power factor of power supply.
A kind of embodiment of third aspect present invention, it is proposed that the compression in air conditioner, including any of the above-described technical scheme
Machine.
According to the air conditioner of the present invention, including the compressor in any of the above-described technical scheme, thus possesses above-mentioned compressor
Whole beneficial effects, will not be repeated here.
Specific embodiment：
As shown in figure 1, a kind of frequency converting air-conditioner compressor and control circuit, control circuit contains input power cord, primary side
Rectifier bridge, bus capacitor, secondary side rectifier bridge, secondary side input compressor side power line；In order to cost-effective, bus capacitor is
No electrolytic capacitor, the embodiment use thin-film capacitor, its capacitance Cdc=30 μ F；
Because bus capacitor capacitance is small, and control circuit inactivity correction module, thus be make the power of whole power supply because
Element is higher, and makes system stable.Input power cord is needed with perceptual, concatenation 5mH electricity on input power cord in the embodiment
Sense, the small inductor of input side, can make whole drive circuit power factor more than 0.9, while the fluctuation of source current obtains
Decrease.
Because control circuit is simple, bus capacitor is small.The secondary current that control circuit is supplied to compressor is needed by circuit pressure
Drop is less.Line loss power must be controlled in a less scope with compressor electric motor power.
In the embodiment, line resistance is R=1 Ω between the terminal of compressor electric motor, in order that line loss and interference are tried one's best
Reduce, secondary side input compressor side power supply line resistance is r.In the embodiment, circuit overstriking, the less r=0.05 Ω of resistance.Should
In embodiment, by r/R=0.05, meet the theoretical requirement below 0.1, the long-term fortune that control circuit and motor safety are stablized
OK, reliability strengthens.Motor 12, as bus capacitor, and defines the input power of control circuit by using no electrolytic capacitor
The scope of the resistance of line and secondary side input compressor side power line, reduces the unwanted losses of whole system, improves driving
The reliability of system and compressor, enable the longtime running of control circuit and motor safety and stability, and cause whole system body
Product is smaller, reduces cost.
As shown in Fig. 2 the compressor of one embodiment of the invention, including motor, wherein motor 12 include stator 122 and turned
Sub 124 two parts, wherein motor 12 include stator 122 and the two parts of rotor 124, by using no electrolytic capacitor as bus electricity
Hold, and define the scope of the input power cord of control circuit and the resistance of secondary side input compressor side power line, reduce
The unwanted losses of whole system, drive system and the reliability of compressor are improved, enable control circuit and motor steady safely
Fixed longtime running, and make it that whole system volume is smaller, reduce cost.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (14)
- A kind of 1. compressor, it is characterised in that including：Motor；Control circuit, the control circuit are connected with the motor, and the control circuit includes：Input power cord, primary side Rectifier bridge, bus capacitor, secondary side rectifier bridge, secondary side out-put supply line, the input power cord and the primary side rectification Bridge is connected, and the bus capacitor is in parallel with the primary side rectifier bridge, the secondary side rectifier bridge and the bus capacitor It is in parallel, the secondary side rectifier bridge is connected with the secondary side out-put supply line, the secondary side out-put supply line and institute Motor is stated to be connected；Wherein, the bus capacitor is no electrolytic capacitor, and the capacitance of the bus capacitor is less than or equal to 100 μ F, more than or equal to 5 μF；The ratio between line resistance value between the resistance value of the secondary side out-put supply line and the terminal of the motor is less than 0.1。
- 2. compressor according to claim 1, it is characterised in thatThe inductance value of the input power cord is less than or equal to 10mH, more than or equal to 1mH.
- 3. compressor according to claim 1, it is characterised in thatThe input power cord is connected with external inductance.
- 4. compressor according to claim 3, it is characterised in thatThe inductance value of the input power cord and the inductance value sum of the external inductance are less than or equal to 10mH, more than or equal to 1mH.
- 5. compressor according to any one of claim 1 to 4, it is characterised in thatThe input power cord is in the shape of a spiral or bending-like.
- 6. compressor according to any one of claim 1 to 4, it is characterised in thatThe input power of the control circuit is single phase poaer supply.
- 7. compressor according to any one of claim 1 to 4, it is characterised in thatThe bus capacitor is thin-film capacitor.
- A kind of 8. compressor, it is characterised in that including：Motor；Control circuit, the control circuit are connected with the motor, and the control circuit includes：Input power cord, primary side Rectifier bridge, bus capacitor, secondary side rectifier bridge, secondary side out-put supply line, the input power cord and the primary side rectification Bridge is connected, and the bus capacitor is in parallel with the primary side rectifier bridge, the secondary side rectifier bridge and the bus capacitor It is in parallel, the secondary side rectifier bridge is connected with the secondary side out-put supply line, the secondary side out-put supply line and institute Motor is stated to be connected；Wherein, the bus capacitor is no electrolytic capacitor, and the capacitance of the bus capacitor is less than or equal to 100 μ F, more than or equal to 5 μF；The inductance value of the input power cord is less than or equal to 10mH, more than or equal to 1mH.
- 9. compressor according to claim 8, it is characterised in thatThe input power cord is connected with external inductance.
- 10. compressor according to claim 9, it is characterised in thatThe inductance value of the input power cord and the inductance value sum of the external inductance are less than or equal to 10mH, more than or equal to 1mH.
- 11. the compressor according to any one of claim 8 to 10, it is characterised in thatThe input power cord is in the shape of a spiral or bending-like.
- 12. the compressor according to any one of claim 8 to 10, it is characterised in thatThe input power of the control circuit is single phase poaer supply.
- 13. the compressor according to any one of claim 8 to 10, it is characterised in thatThe bus capacitor is thin-film capacitor.
- A kind of 14. air conditioner, it is characterised in that including：Compressor as any one of claim 1 to 7；And/orCompressor as any one of claim 8 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628857.1A CN107453677B (en) | 2017-07-28 | 2017-07-28 | Compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628857.1A CN107453677B (en) | 2017-07-28 | 2017-07-28 | Compressor and air conditioner |
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| CN107453677A true CN107453677A (en) | 2017-12-08 |
| CN107453677B CN107453677B (en) | 2023-06-16 |
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| JP2005253282A (en) * | 2004-02-06 | 2005-09-15 | Matsushita Electric Ind Co Ltd | Power converting device, inverter controlling device for driving motor, and air conditioner |
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| CN103053110A (en) * | 2011-02-08 | 2013-04-17 | 松下电器产业株式会社 | Motor drive device |
| CN207135023U (en) * | 2017-07-28 | 2018-03-23 | 广东美芝制冷设备有限公司 | A kind of compressor and air conditioner |
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2017
- 2017-07-28 CN CN201710628857.1A patent/CN107453677B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005253282A (en) * | 2004-02-06 | 2005-09-15 | Matsushita Electric Ind Co Ltd | Power converting device, inverter controlling device for driving motor, and air conditioner |
| JP2006262632A (en) * | 2005-03-17 | 2006-09-28 | Matsushita Electric Ind Co Ltd | Controller for inverter for driving motor |
| CN103053110A (en) * | 2011-02-08 | 2013-04-17 | 松下电器产业株式会社 | Motor drive device |
| CN207135023U (en) * | 2017-07-28 | 2018-03-23 | 广东美芝制冷设备有限公司 | A kind of compressor and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN107453677B (en) | 2023-06-16 |
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