CN104568129A - Detection device and detection method for noise of PG motor - Google Patents
Detection device and detection method for noise of PG motor Download PDFInfo
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- CN104568129A CN104568129A CN201310514098.8A CN201310514098A CN104568129A CN 104568129 A CN104568129 A CN 104568129A CN 201310514098 A CN201310514098 A CN 201310514098A CN 104568129 A CN104568129 A CN 104568129A
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000003825 pressing Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 238000004378 air conditioning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides a detection device and a detection method for PG motor noise. The detection device for the PG motor noise comprises a power supply for providing adjustable voltage for the motor. By applying the technical scheme of the invention, the power supply for simulating the working state is provided for the motor to be detected, and the accuracy of detecting the noise of the motor of the air conditioner indoor unit is effectively improved.
Description
Technical field
The present invention relates to field of air conditioning, more specifically, relate to a kind of pick-up unit and detection method of PG motor noise.
Background technology
Current domestic electric machine industry is all directly powered by civil power or stabilized voltage supply to the on-line testing of PG motor noise, then on motor assembly line, by ear listen motor noise situation in a relatively quiet noise room by worker at the production line, thus judge that whether motor noise is qualified.
And in fact PG generally adopts the mode of silicon controlled rectifier regulation input end of motor voltage to realize speed governing object, namely so-called chopping regulating speed.Chopping regulating speed means it is not by civil power or stabilized voltage supply directly to feeding electric motors, but is input in motor after the copped wave of air-conditioning internal machine controller by civil power or stabilized voltage supply again.Fig. 1 shows the waveform schematic diagram of civil power.The voltage waveform being input to motor under this mode of speed regulation is discontinuous, so the voltage waveform that whole galvanization is input to motor presents distortion state in some sense.Can produce harmonic field after the voltage waveform input motor of this distortion state, and then bring out motor generation electromagnetic noise, and the rotating speed that motor requires is lower, the copped wave time is longer, voltage waveform distortion situation is more serious, more easily produces complete machine noise.
When above-mentioned this inspection power supply with actual use power supply inconsistent, even if press the method for inspection of current motor industry, standard to PG noise test passes, also can produce noise when using after sale.
Summary of the invention
The present invention aims to provide a kind of pick-up unit and detection method of PG motor noise, to improve the accuracy of PG noise measuring.
To achieve these goals, the invention provides a kind of pick-up unit of PG motor noise, pick-up unit comprises the power supply for providing adjustable voltage to motor.
Further, power supply is chopper control power supply.
Further, pick-up unit also comprises the installation portion for mounted motor.
Further, the installation portion gripping mechanism that comprises pedestal and be connected with pedestal.
Further, gripping mechanism comprises restraint zone, and first end and the pedestal of restraint zone are hinged, the second end and the pedestal clamping of restraint zone or be bolted.
Further, gripping mechanism also comprises the holder that is arranged on motor circumference and is connected with holder and the pressing plate arranged movably along the radial direction of motor relative to motor.
Further, pick-up unit comprises multiple pressing plate, and holder is provided with and the multiple through holes that correspondingly arrange suitable with multiple pressing plate, one end of pressing plate abuts with motor, and the pressing plate other end abuts with restraint zone.
Further, pick-up unit also comprises the motor load be removably connected with motor.
Further, motor load comprises through-flow fan blade.
Further, pick-up unit also comprises the housing be located on through-flow fan blade and/or motor.
Provide a kind of detection method adopting the pick-up unit of above-mentioned PG motor noise to carry out the detection of PG motor noise according to a further aspect in the invention, this detection method comprises: power electric adjustable to motor and voltage be connected; Noise measuring is carried out to motor.
Further, pick-up unit also comprises the installation portion for mounted motor, and before power electric adjustable to motor and voltage being connected, detection method also comprises the step be removably mounted on by motor on installation portion.
Further, pick-up unit also comprises the motor load be removably connected with motor, and before power electric adjustable to motor and voltage being connected, detection method also comprises the step connecting motor and motor load.
Further, installation portion comprises gripping mechanism, gripping mechanism comprise be arranged on motor circumference holder, to be connected with holder and the pressing plate arranged movably along the radial direction of motor relative to motor and the restraint zone for clamping platen, the step be removably mounted on by motor on installation portion comprises and is placed in the circular hole of holder by motor, uses restraint zone clamping platen with fixed electrical machinery.
Apply technical scheme of the present invention, pick-up unit comprises the power supply for providing the power supply of adjustable voltage motor to be detected and air-conditioning internal machine to be provided to described motor.Apply technical scheme of the present invention, for motor to be detected is provided for the power supply of analog operation state, effectively improve the accuracy that air-conditioning internal machine motor noise detects.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the oscillogram that existing PG motor noise detects the power supply used;
The oscillogram of the power supply that the PG motor noise detection that Fig. 2 shows the embodiment of the present invention uses;
Fig. 3 shows pick-up unit (not comprising pressing plate and the restraint zone) structural representation of the PG motor noise of the embodiment of the present invention;
Fig. 4 shows pick-up unit (not comprising motor and the restraint zone) structural representation of the PG motor noise of the embodiment of the present invention;
Fig. 5 shows the structure of the detecting device schematic diagram of the PG motor noise of the embodiment of the present invention;
Fig. 6 shows the structure of the detecting device schematic diagram of the PG motor noise of the embodiment of the present invention from another angle.
Reference numeral: 1, motor; 2, installation portion; 21, pedestal; 22, gripping mechanism; 221, restraint zone; 222, holder; 223, pressing plate.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Fig. 2 to 6, the pick-up unit of the PG motor noise of the embodiment of the present invention comprises the power supply for providing adjustable voltage to motor 1.
In the present embodiment, power supply is chopper control power supply.Power supply uses the method for copped wave to realize adjustable voltage with the normal operating conditions of simulated machine for motor provides.Then under quiet environment, the noise of motor is detected by checker.Improve the accuracy of detection, contribute to the quality improving product.
Pick-up unit also comprises the installation portion 2 for mounted motor.The gripping mechanism 22 that installation portion 2 comprises pedestal 21 and is connected with pedestal 21.By gripping mechanism 22, motor 1 is arranged on installation portion, makes the easy accessibility of motor 1, effectively improve detection efficiency.
Gripping mechanism 22 comprises restraint zone 221, and first end and the pedestal 21 of restraint zone 221 are hinged.Second end of restraint zone 221 and pedestal 21 clamping.Gripping mechanism 22 also comprises the holder 222 that is arranged on motor 1 circumference and is connected with holder 222 and the pressing plate 223 arranged movably along the radial direction of motor 1 relative to motor 1.Holder 222 is provided with the through hole suitable with pressing plate 223, and one end of pressing plate 223 abuts with motor 1, and pressing plate 223 other end abuts with restraint zone 221.Gripping mechanism 22 comprises multiple pressing plate 223, and holder 222 is provided with the multiple through holes arranged one to one with multiple pressing plate 223.
Holder 222 is annular.The endoporus of annular is greater than the external diameter of motor 1 for accommodation motor 1.Multiple through holes suitable with pressing plate 223 that holder 222 is arranged are arranged equably along the circumference of holder 222.Pressing plate 223 be connected with holder 222 elasticity and the elastic force that is subject to of pressing plate 223 along the radial direction of motor 1 away from holder 222.After motor 1 being placed in the endoporus of holder 222, extrude pressing plate 223 with restraint zone 221, thus make pressing plate 223 clamping motor 1.Simplify the step that motor is installed, further increasing detection efficiency, saved the time.
In the present embodiment, pick-up unit also comprises the motor load 3 be removably connected with motor.The housing that motor load comprises through-flow fan blade 31 and is located on through-flow fan blade and/or motor.Simulate the duty of the running of PG driven by motor through-flow fan blade in the actual use procedure of air-conditioning more realistically, amplify motor noise to reach through housing, be convenient to check the effect simultaneously checking motor noise situation in the working environment of more closing to reality.Closer, improve the accuracy of pick-up unit.
The detection method adopting the pick-up unit of above-mentioned PG motor noise to carry out PG motor noise comprises and power electric adjustable to motor 1 and voltage being connected, and then carries out noise measuring to motor 1.
Pick-up unit also comprises the installation portion 2 for mounted motor, and before power electric adjustable to motor 1 and voltage being connected, detection method also comprises the step be removably mounted on by motor 1 on installation portion 2.Pick-up unit also comprises the motor load be removably connected with motor 1, and before power electric adjustable to motor 1 and voltage being connected, detection method also comprises the step connecting motor 1 and motor load.
Installation portion 2 comprises gripping mechanism 22, gripping mechanism 22 comprise be arranged on motor 1 circumference holder 222, to be connected with holder 222 and the pressing plate 223 arranged movably along the radial direction of motor 1 relative to motor 1 and the restraint zone 221 for clamping platen 223, motor 1 step be removably mounted on installation portion 2 being comprised is placed in the circular hole of holder 222 by motor, uses restraint zone 221 clamping platen 223 with fixed electrical machinery.
As can be seen from the above description the present embodiment achieve with technique effect: detect motor noise time, for motor provides the chopper control power supply suppressed with the voltage of motor real work, to improve the accuracy of noise measuring; Pick-up unit also comprises the removably attachable motor load with motor, makes the state of electric machines test more level off to actual working state, further increasing the accuracy of detection, removably connect and effectively improve detection efficiency; Pick-up unit also comprises the housing be located at outside through-flow fan blade and/or motor, simulates the actual working state of motor more realistically, further increasing the accuracy of noise measuring.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a pick-up unit for PG motor noise, is characterized in that, described pick-up unit comprises the power supply for providing adjustable voltage to described motor (1).
2. pick-up unit according to claim 1, is characterized in that, described power supply is chopper control power supply.
3. pick-up unit according to claim 1, is characterized in that, described pick-up unit also comprises the installation portion (2) for installing described motor.
4. pick-up unit according to claim 3, is characterized in that, the gripping mechanism (22) that described installation portion (2) comprises pedestal (21) and is connected with described pedestal (21).
5. pick-up unit according to claim 4, it is characterized in that, described gripping mechanism (22) comprises restraint zone (221), first end and the described pedestal (21) of described restraint zone (221) are hinged, the second end and (21) clamping of described pedestal of described restraint zone (221) or be bolted.
6. pick-up unit according to claim 5, it is characterized in that, described gripping mechanism (22) also comprises the holder (222) that is arranged on described motor (1) circumference and is connected with described holder (222) and the pressing plate (223) arranged movably along the radial direction of described motor (1) relative to described motor (1).
7. pick-up unit according to claim 6, it is characterized in that, described pick-up unit comprises multiple described pressing plate, described holder (222) is provided with and the multiple through holes that correspondingly arrange suitable with described multiple pressing plate (223), one end of described pressing plate (223) abuts with described motor (1), and described pressing plate (223) other end abuts with described restraint zone (221).
8. pick-up unit according to claim 1, is characterized in that, described pick-up unit also comprises the motor load (3) be removably connected with described motor.
9. pick-up unit according to claim 8, is characterized in that, described motor load (3) comprises through-flow fan blade.
10. pick-up unit according to claim 9, is characterized in that, described pick-up unit also comprises the housing be located on described through-flow fan blade and/or described motor (1).
11. 1 kinds of detection methods adopting the pick-up unit of PG motor noise according to claim 1 to carry out the detection of PG motor noise, it is characterized in that, described detection method comprises:
Power electric adjustable with voltage for described motor (1) is connected;
Noise measuring is carried out to described motor (1).
12. detection methods according to claim 11, it is characterized in that, described pick-up unit also comprises the installation portion (2) for installing described motor (1), before power electric adjustable with voltage for described motor (1) being connected, described detection method also comprises the step be removably mounted on by described motor (1) on described installation portion (2).
13. detection methods according to claim 12, it is characterized in that, described pick-up unit also comprises the motor load (3) be removably connected with described motor (1), before power electric adjustable with voltage for described motor (1) being connected, described detection method also comprises the step connecting described motor (1) and described motor load (3).
14. detection methods according to claim 12, it is characterized in that, described installation portion (2) comprises gripping mechanism (22), described gripping mechanism (22) comprises the holder (222) being arranged on described motor (1) circumference, be connected with described holder (222) and the pressing plate (223) arranged movably along the radial direction of described motor (1) relative to described motor (1) and the restraint zone (221) for compressing described pressing plate (223), described motor (1) step be removably mounted on described installation portion (2) being comprised is placed in the circular hole of holder (222) by described motor, use restraint zone (221) clamping platen (223) with fixing described motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310514098.8A CN104568129A (en) | 2013-10-25 | 2013-10-25 | Detection device and detection method for noise of PG motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310514098.8A CN104568129A (en) | 2013-10-25 | 2013-10-25 | Detection device and detection method for noise of PG motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568129A true CN104568129A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310514098.8A Pending CN104568129A (en) | 2013-10-25 | 2013-10-25 | Detection device and detection method for noise of PG motor |
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| Country | Link |
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| CN (1) | CN104568129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093806A (en) * | 2016-06-07 | 2016-11-09 | 中国南方航空工业(集团)有限公司 | Helicopter AC power-supply system detection device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116410A (en) * | 1977-05-25 | 1978-09-26 | General Electric Company | Adaptable resilient motor mounting |
| CN201096631Y (en) * | 2007-09-04 | 2008-08-06 | 佛山市顺德区瑞德电子实业有限公司 | Non- frequency converting air-conditioner function test maintain instrument |
| CN101762787A (en) * | 2010-01-04 | 2010-06-30 | 宁波海诚电器有限公司 | Tester of program guidance (PG) motor |
| CN102109399A (en) * | 2010-12-21 | 2011-06-29 | 宁波菲仕电机技术有限公司 | Servo motor test bench and test method |
| CN202188596U (en) * | 2011-08-18 | 2012-04-11 | 珠海格力电器股份有限公司 | Motor fixing structure and air conditioner with same |
| CN202524357U (en) * | 2012-04-13 | 2012-11-07 | 宁波德业变频技术有限公司 | PG (planetary gearbox) motor stepless speed regulation driving device |
| CN103115672A (en) * | 2013-01-24 | 2013-05-22 | 浙江联宜电机股份有限公司 | Motor noise test system |
| CN203069262U (en) * | 2013-01-24 | 2013-07-17 | 浙江联宜电机股份有限公司 | Clamping fixture for noise measurement of motor |
| CN203191159U (en) * | 2013-03-29 | 2013-09-11 | 苏州工业园区聚博精密设备有限公司 | Dynamic balance tester with constant rotating speed |
-
2013
- 2013-10-25 CN CN201310514098.8A patent/CN104568129A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116410A (en) * | 1977-05-25 | 1978-09-26 | General Electric Company | Adaptable resilient motor mounting |
| CN201096631Y (en) * | 2007-09-04 | 2008-08-06 | 佛山市顺德区瑞德电子实业有限公司 | Non- frequency converting air-conditioner function test maintain instrument |
| CN101762787A (en) * | 2010-01-04 | 2010-06-30 | 宁波海诚电器有限公司 | Tester of program guidance (PG) motor |
| CN102109399A (en) * | 2010-12-21 | 2011-06-29 | 宁波菲仕电机技术有限公司 | Servo motor test bench and test method |
| CN202188596U (en) * | 2011-08-18 | 2012-04-11 | 珠海格力电器股份有限公司 | Motor fixing structure and air conditioner with same |
| CN202524357U (en) * | 2012-04-13 | 2012-11-07 | 宁波德业变频技术有限公司 | PG (planetary gearbox) motor stepless speed regulation driving device |
| CN103115672A (en) * | 2013-01-24 | 2013-05-22 | 浙江联宜电机股份有限公司 | Motor noise test system |
| CN203069262U (en) * | 2013-01-24 | 2013-07-17 | 浙江联宜电机股份有限公司 | Clamping fixture for noise measurement of motor |
| CN203191159U (en) * | 2013-03-29 | 2013-09-11 | 苏州工业园区聚博精密设备有限公司 | Dynamic balance tester with constant rotating speed |
Non-Patent Citations (2)
| Title |
|---|
| 刘午平: "《空调器电路与电脑板维修从入门到精通》", 31 October 2009 * |
| 陈凤武等: "PG电机在EFT测试时的抗干扰控制", 《价值工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093806A (en) * | 2016-06-07 | 2016-11-09 | 中国南方航空工业(集团)有限公司 | Helicopter AC power-supply system detection device |
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Application publication date: 20150429 |