CN202475144U - Wind path structure for variable frequency synchronous motor - Google Patents
Wind path structure for variable frequency synchronous motor Download PDFInfo
- Publication number
- CN202475144U CN202475144U CN2011205339165U CN201120533916U CN202475144U CN 202475144 U CN202475144 U CN 202475144U CN 2011205339165 U CN2011205339165 U CN 2011205339165U CN 201120533916 U CN201120533916 U CN 201120533916U CN 202475144 U CN202475144 U CN 202475144U
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- baffle plate
- air
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Abstract
The utility model discloses a wind path structure for a variable frequency synchronous motor, and is characterized in that: in a casing (1), a rotating shaft (4) is supported by a bearing, a periphery of a rotor (3) fixed on the rotating shaft (4) is provided with an iron core (2); the casing (1) is provided with an air inlet, a blower (7) is arranged at the air inlet, the blower (7) directly faces to a gap between the rotor (3) and an end face of the casing (1), a circular gap between the iron core (2) and the casing (1) is provided with an air intake baffle plate (5), the air intake baffle plate (5) is close to the blower (7), and an end face of one end of the rotor (3) far from the blower (7) is provided with a rotor wind shielding plate (6). The wind path structure of the utility model changes the structure of the motor casing, and adds the air intake baffle plate on the casing and adds the wind shielding plate on the rotor, thus after air quantity of the single-channel blower enters into the motor, an axial-radial composite ventilation effect can be realized, thereby balancing heat transfer in the casing.
Description
Technical field
The utility model relates to the frequency variable synchronous electric motors, relates in particular to a kind of ventilation wind path structure of frequency variable synchronous motor.
Background technology
Because the particularity of traditional constant frequency rate field-rotatable type synchronous electric motor rotor structure; Its wind path adopt two-way axially-radially composite ventilated mode, when normal fixing frequency operation, adopt motor pole surface and the fan that carries to produce blast; After cold wind passes through pole surface, air gap, stator core; Take away heat, be excluded in outside the casing, its wind path design has good effect.Along with the development of electron controls technology, market is more and more to the demand of frequency variable synchronous motor, and the motor that has requires to satisfy in the 0-50Hz scope and moves.As everyone knows; The heat radiation of synchronous machine is with the linear velocity relation in direct ratio of the rotor diameter of motor, and the rotating speed of synchronous machine is with frequency relation in direct ratio, so when extremely low frequency; The linear velocity of rotor is close to 0; Adopt traditional ventilation wind path structure, the heat that produces in the time of at all can't motor being moved is taken out of, so the general single channel that adopts adds the forced ventilation mode that blower fan carries out outer air blast.And traditional dual path air blast mode outside composite ventilated mode can't realize is burnt when causing the motor operation if the wind that does not adopt new wind path structure, blower fan to blast will can not form good cooling air duct in motor.
The utility model content
The utility model technical problem to be solved is the frequency variable synchronous motor wind path structure that provides a kind of heat transferred to reach balance.
The technical scheme of the utility model is following: a kind of frequency variable synchronous motor wind path structure; Comprise casing (1), iron core (2), rotor (3), rotating shaft (4); By bearings rotating shaft (4) is arranged in the said casing (1), said rotating shaft (4) fixed rotor (3) outer periphery is equipped with iron core (2), and its key is: drive the air port on the said casing (1) into air blast (7) is installed; This air blast (7) is over against the gap location of rotor (3) with casing (1) end face; Annular gaps between said iron core (2) and the casing (1) is provided with air intake baffle plate (5), and this air intake baffle plate (5) leans on into air blast (7), and the end end face that said rotor (3) is gone up away from air blast (7) is provided with rotor deep bead (6).After cold wind was pressed into by air blast, because the air intake baffle plate, cold wind was taken away heat after can only passing through coil, pole surface, air gap, stator core, is excluded in outside the casing.
Above-mentioned air intake baffle plate (5) is fixed on the casing (1), and said rotor deep bead (6) is through being bolted on the rotor (3).
Beneficial effect: the utility model is as long as change the structure of motor case; The air intake baffle plate is being set on the casing and on rotor, is increasing deep bead; After having satisfied the air quantity entering motor of single channel air blast, realize axially-radially effect of composite ventilated mode, made the interior heat transferred of casing reach balance.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
As shown in Figure 1; A kind of frequency variable synchronous motor wind path structure is made up of casing 1, iron core 2, rotor 3, rotating shaft 4, air intake baffle plate 5 and rotor deep bead 6, by bearings rotating shaft 4 is arranged in the said casing 1; Said rotating shaft 4 fixed rotors 3 outer periphery are equipped with iron core 2; Drive the air port on the said casing 1 air blast 7 is installed, this air blast 7 is over against the gap location of rotor 3 with casing 1 end face, and the annular gaps between said iron core 2 and the casing 1 is provided with air intake baffle plate 5; This air intake baffle plate 5 leans on into air blast 7, and the end end face away from air blast 7 on the said rotor 3 is provided with rotor deep bead 6.Air intake baffle plate 5 is fixed on the casing 1, and said rotor deep bead 6 is through being bolted on the rotor 3.
Although more than combine accompanying drawing that the preferred embodiment of the utility model is described; But the utility model is not limited to above-mentioned embodiment; Above-mentioned embodiment only is schematic rather than determinate, and those of ordinary skill in the art is under the enlightenment of the utility model, under the prerequisite of the utility model aim and claim; Can make multiple similar expression, such conversion all falls within the protection range of the utility model.
Claims (2)
1. frequency variable synchronous motor wind path structure; Comprise casing (1), iron core (2), rotor (3), rotating shaft (4); By bearings rotating shaft (4) is arranged in the said casing (1), said rotating shaft (4) fixed rotor (3) outer periphery is equipped with iron core (2), it is characterized in that: drive the air port on the said casing (1) into air blast (7) is installed; This air blast (7) is over against the gap location of rotor (3) with casing (1) end face; Annular gaps between said iron core (2) and the casing (1) is provided with air intake baffle plate (5), and this air intake baffle plate (5) leans on into air blast (7), and the end end face that said rotor (3) is gone up away from air blast (7) is provided with rotor deep bead (6).
2. according to the said frequency variable synchronous motor of claim 1 wind path structure, it is characterized in that: said air intake baffle plate (5) is fixed on the casing (1), and said rotor deep bead (6) is through being bolted on the rotor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205339165U CN202475144U (en) | 2011-12-20 | 2011-12-20 | Wind path structure for variable frequency synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205339165U CN202475144U (en) | 2011-12-20 | 2011-12-20 | Wind path structure for variable frequency synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475144U true CN202475144U (en) | 2012-10-03 |
Family
ID=46923267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205339165U Expired - Fee Related CN202475144U (en) | 2011-12-20 | 2011-12-20 | Wind path structure for variable frequency synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532276A (en) * | 2013-10-23 | 2014-01-22 | 中达电机股份有限公司 | Baffle structure for cast aluminum rotor of high-voltage motor |
-
2011
- 2011-12-20 CN CN2011205339165U patent/CN202475144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532276A (en) * | 2013-10-23 | 2014-01-22 | 中达电机股份有限公司 | Baffle structure for cast aluminum rotor of high-voltage motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20131220 |