CN1707191A - Centrifugal fan fixing structure of external rotor type inductive motor for air conditioner outdoor machine - Google Patents
Centrifugal fan fixing structure of external rotor type inductive motor for air conditioner outdoor machine Download PDFInfo
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- CN1707191A CN1707191A CN 200410019520 CN200410019520A CN1707191A CN 1707191 A CN1707191 A CN 1707191A CN 200410019520 CN200410019520 CN 200410019520 CN 200410019520 A CN200410019520 A CN 200410019520A CN 1707191 A CN1707191 A CN 1707191A
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- centrifugal fan
- air
- rotor type
- conditioner outdoor
- condenser
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Abstract
The present invention provides one centrifugal fan fixing structure for outer rotor type induction motor in outdoor unit of air conditioner. Inside the casing of the outdoor unit of air conditioner, there are compressor, condenser and centrifugal fan, which is set beside the condenser to inhale air and exhaust air toward the condenser and is provided with one outer rotor type induction motor in the top for rotating, with the rotor support being fixed in the edge of the centrifugal fan top. The present invention can reduce the horizontal shaking of the rotating centrifugal fan and the noise caused by the shaking.
Description
Technical field
The present invention relates to a kind of outer rotor type induction motor of air-conditioner outdoor unit, relate to have the centrifugal fan fixing structure (STRUCUTURE FOR FIXING FAN OF OUTER ROTOR TYPE INDUCTION MOTOR INAIRCONDITIONER) of outer rotor type induction motor of the air-conditioner outdoor unit of following characteristics or rather: promptly the rotating shaft of motor is fixed on the center at blowing fan top, the upper part of rotor field spider is fixed on the edge part at blowing fan top, so it can prevent to produce when blowing fan from rotating shaking phenomenon.
Background technology
In order the heat that heat exchanger produced to be discharged into the outside, generally can in the off-premises station of air-conditioning, blowing fan be installed, this blowing fan is to rotate under the driving of induction conductivity.
Fig. 1 is the longitudinal sectional drawing that has shown the structure of existing air-conditioner outdoor unit, and Fig. 2 is the side view that has shown the connection status that is installed in interior inner-rotor type induction conductivity of existing air-conditioner outdoor unit and centrifugal fan.As shown in the figure, in existing air-conditioner outdoor unit, cabinet 1 is box-shape, and its inside has formed certain space, and the air inlet 1a that is used for passing air into has been formed on the bottom, and the front has formed the exhaust outlet 1b that is used for discharging air.In addition, also be equipped with on the bottom of cabinet 1 inside and be used for the compressor 2 of compressed refrigerant, the condenser 3 as heat exchanger is housed around the compressor 2, can flow in this condenser 3 through refrigerant compressed, thereby realize heat exchange.
In addition, the central part of above-mentioned cabinet 1 is equipped with centrifugal fan 4, and this centrifugal fan 4 can suck back row to condenser 3 with air by air inlet 1a, and then by exhaust outlet 1b air is discharged.The center fixation at the top of above-mentioned centrifugal fan 4 is on the rotating shaft of inner-rotor type induction conductivity 5, and 5 of above-mentioned inner-rotor type induction conductivities are fixed on the top board of cabinet 1.
Existing air-conditioner outdoor unit with said structure is work like this, be that compressor 2 can compress cold-producing medium, being transported to heat exchanger through refrigerant compressed then is in the condenser 3, and condenser 3 can produce heat in the process that cold-producing medium flows through.
The aforesaid heat that is produced in condenser 3 can discharge by the heat radiation pin, thereby realize heat exchange with the outside, meanwhile, under the driving of centrifugal fan 4, air outside can be inhaled into by the air inlet 1a of cabinet 1 and be arranged to condenser 3, these air flow through after the condenser 3, can just can force to make above-mentioned heat and extraneous air to realize heat exchange thus by row to exhaust outlet 1b again.
But, in the off-premises station of existing air-conditioning with said structure, the rotating shaft of inner-rotor type induction conductivity 5 is fixed on the center at the top of centrifugal fan 4, that is to say that centrifugal fan 4 is to drive hanging under the state of installation, therefore need install under the situation of large centrifugal fan 4 in large-scale off-premises station inside, can rock by along continuous straight runs during centrifugal fan 4 rotations, thereby produce noise, this is the existing in prior technology problem just.
Summary of the invention
The present invention designs in order to address the above problem, purpose is to provide a kind of centrifugal fan fixing structure of outer rotor type induction motor of the air-conditioner outdoor unit with following characteristics, be that it can be with the core at the top of centrifugal fan and edge partial fixing on motor, thereby its rocking of along continuous straight runs can reduce rotating centrifugal fan the time, can also reduce noise simultaneously.
To achieve these goals, the invention provides a kind of centrifugal fan fixing structure of outer rotor type induction motor of air-conditioner outdoor unit, it is characterized in that: the cabinet inside of air-conditioner outdoor unit is equipped with compressor and condenser, the centrifugal fan that can suck air and air is discharged to the condenser direction is equipped with on the next door of condenser, and the induction conductivity that is used for driving rotating centrifugal fan is equipped with at the top of centrifugal fan.In such air-conditioner outdoor unit, above-mentioned induction conductivity is an outer rotor type induction motor, the rotating shaft of this outer rotor type induction motor is fixed on the center at centrifugal fan top, its rotor field spider is fixed on the edge part at centrifugal fan top simultaneously, and wherein above-mentioned rotor field spider is installed in the outside of stator and can rotates with rotating shaft.
In the centrifugal fan fixing structure of the outer rotor type induction motor of air-conditioner outdoor unit of the present invention, the rotating shaft of outer rotor type induction motor is fixed on the center at centrifugal fan top, its rotor field spider is fixed on the edge part at centrifugal fan top, the rocking of along continuous straight runs when therefore the present invention can reduce rotating centrifugal fan, and can reduce the noise that produces because of rocking.
Description of drawings
Fig. 1 is the longitudinal sectional drawing that has shown the structure of existing air-conditioner outdoor unit;
Fig. 2 is the side view that has shown the connection status that is installed in interior inner-rotor type induction conductivity of existing air-conditioner outdoor unit and centrifugal fan;
Fig. 3 is the longitudinal sectional drawing that has shown the structure of the air-conditioner outdoor unit that possesses outer rotor type induction motor of the present invention;
Fig. 4 is the side view of the major part of Fig. 3;
Fig. 5 is the side view of outer rotor type induction motor of the present invention;
Fig. 6 is the side view of the stator among the present invention;
Fig. 7 is the side view of the rotor assembly among the present invention.
The critical piece description of reference numerals
101: cabinet 102: compressor
103: condenser 104: centrifugal fan
105: outer rotor type induction motor 123: rotating shaft
141: rotor field spider (rotor frame) 153: carriage (bracket)
The specific embodiment
Example with reference to the accompanying drawings gives more detailed explanation to the centrifugal fan fixing structure of the outer rotor type induction motor of air-conditioner outdoor unit of the present invention with said structure.
Fig. 3 is the longitudinal sectional drawing that has shown the structure of the air-conditioner outdoor unit that possesses outer rotor type induction motor of the present invention, and Fig. 4 is the side view of the major part of Fig. 3.
As shown in the figure, in possessing the air-conditioner outdoor unit of outer rotor type induction motor of the present invention, cabinet 101 is box-shape, and its inside has formed certain space, and air inlet 101a has been formed on the bottom, and the front has formed exhaust outlet 101b.In addition, also be equipped with lower member cabinet 101 inside, and promptly compressor 102, and it is used for compressed refrigerant; Condenser 103 can flow into its inside through refrigerant compressed, thereby realizes heat exchange.
In addition, centrifugal fan 104 also is equipped with on the next door of above-mentioned condenser 103, and this centrifugal fan 104 can blow to air condenser 103.Above-mentioned centrifugal fan 104 is connected with outer rotor type induction motor 105 on being installed in cabinet 101 top boards, the rotating shaft 123 that is above-mentioned outer rotor type induction motor 105 is fixed on the center at above-mentioned centrifugal fan 104 tops, its rotor field spider 141 is fixed on the edge part at centrifugal fan 104 tops simultaneously, just can not produce rocking on the horizontal direction when so, above-mentioned centrifugal fan 104 rotates.
Above-mentioned outer rotor type induction motor 105 is as Fig. 5, Fig. 6, shown in Figure 7, its stator 121 is fixedly mounted on central authorities, rotatable rotor assembly 122 is equipped with in the outside of stator 121, the center of the bottom of above-mentioned rotor assembly 122 is connecting rotating shaft 123, and this rotating shaft 123 can conduct the revolving force of rotor assembly 122.
Above-mentioned rotor assembly 122 is installed in the outside of said stator 121 and stator 121 can be covered, and it is rotatable.The top of the rotor field spider 141 in the rotor assembly 122 is openings, the rotor core 142 of annular is housed on its inboard upper part, the center fixation of the bottom of above-mentioned rotor field spider 141 the rotor bushing (not shown), can conduct power to rotating shaft 123 by this rotor bushing.
In addition, said stator 121 is fixed on the top board of cabinet 101 of off-premises station, has also formed bolt hole 151 on the said stator 121 in order to utilize bolt (bolt).In order to utilize screw (screw) 152 above-mentioned rotor field spider 141 to be fixed on the edge part at centrifugal fan 104 tops, several carriages (bracket) 152 are housed on the above-mentioned rotor field spider 141.
The air-conditioner outdoor unit that motor fixed structure of the present invention with said structure is housed is work like this, be that compressor 102 can compress cold-producing medium, to be transported to heat exchanger be in the condenser 3 and realize condensation through refrigerant compressed then, and realize in the process of condensation at cold-producing medium, can produce heat in the condenser 103.At this moment, under the driving of centrifugal fan 104, air outside can be inhaled into by the air inlet 101a of cabinet 101 and be arranged to condenser 103, these air flow through after the condenser 103, can just the heat that is produced in the above-mentioned condenser 103 can be arranged outside thus by row to exhaust outlet 101b again to cabinet 101.
Claims (2)
1, a kind of centrifugal fan fixing structure of outer rotor type induction motor of air-conditioner outdoor unit is characterized in that:
Compressor and condenser are equipped with in the inside of the cabinet of air-conditioner outdoor unit, and the centrifugal fan that can suck air and air is discharged to the condenser direction is equipped with on the next door of condenser, and the induction conductivity that is used for driving rotating centrifugal fan is equipped with at the top of centrifugal fan;
Above-mentioned induction conductivity is an outer rotor type induction motor, the rotating shaft of motor is fixed on the center at centrifugal fan top, its rotor field spider is fixed on the edge part at centrifugal fan top simultaneously, and wherein above-mentioned rotor field spider is installed in the outside of stator and can rotates with rotating shaft.
2, the centrifugal fan fixing structure of the outer rotor type induction motor of air-conditioner outdoor unit according to claim 1 is characterized in that:
Above-mentioned rotor field spider is to be fixed on the edge part at centrifugal fan top by several carriages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019520 CN1707191A (en) | 2004-06-09 | 2004-06-09 | Centrifugal fan fixing structure of external rotor type inductive motor for air conditioner outdoor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019520 CN1707191A (en) | 2004-06-09 | 2004-06-09 | Centrifugal fan fixing structure of external rotor type inductive motor for air conditioner outdoor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1707191A true CN1707191A (en) | 2005-12-14 |
Family
ID=35581239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019520 Pending CN1707191A (en) | 2004-06-09 | 2004-06-09 | Centrifugal fan fixing structure of external rotor type inductive motor for air conditioner outdoor machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1707191A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346591B (en) * | 2005-12-28 | 2011-09-14 | Lg电子株式会社 | Apparatus and method for controlling fan motor of air conditioner |
| CN101536287B (en) * | 2006-11-15 | 2012-01-04 | Lg电子株式会社 | Outer rotor type motor and outdoor unit having the same |
| CN104061632A (en) * | 2013-03-19 | 2014-09-24 | 海信科龙电器股份有限公司 | Outdoor unit of air conditioner |
-
2004
- 2004-06-09 CN CN 200410019520 patent/CN1707191A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346591B (en) * | 2005-12-28 | 2011-09-14 | Lg电子株式会社 | Apparatus and method for controlling fan motor of air conditioner |
| CN101536287B (en) * | 2006-11-15 | 2012-01-04 | Lg电子株式会社 | Outer rotor type motor and outdoor unit having the same |
| CN104061632A (en) * | 2013-03-19 | 2014-09-24 | 海信科龙电器股份有限公司 | Outdoor unit of air conditioner |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |