CN104702025A - Radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector - Google Patents
Radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector Download PDFInfo
- Publication number
- CN104702025A CN104702025A CN201510151030.7A CN201510151030A CN104702025A CN 104702025 A CN104702025 A CN 104702025A CN 201510151030 A CN201510151030 A CN 201510151030A CN 104702025 A CN104702025 A CN 104702025A
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- CN
- China
- Prior art keywords
- stainless steel
- magnetic stainless
- facewidth
- magnetic circuit
- type motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0805—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for synchronous motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0822—Integrated protection, motor control centres
Abstract
The invention provides a radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector and belongs to the technical field of motor protection devices. The radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector aims at solving the problem that at present, due to the fact that no motor protector exists, the using performance of a motor is reduced, the service life of the motor is shortened, and the maintenance cost of the motor is increased. A disk-shaped permanent magnet is fixedly installed in a non-magnetic stainless steel sleeve, two round magnetic stainless steel baffles are fixed to two ends in the non-magnetic stainless steel sleeve, a magnetic stainless steel sleeve is fixed in an installing hole formed in the disk-shaped permanent magnet and is coaxial with shaft holes of the two round magnetic stainless steel baffles, and a plurality of unequal-tooth-width teeth are machined on the inner circumferential face of the magnetic stainless steel sleeve in the radial direction. An output shaft of the motor penetrates through multiple radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protectors, and gaps are reserved between the circumferential faces of tooth crests of a plurality of unequal-tooth-width teeth of the magnetic stainless steel sleeve and the inner circumferential faces of the shaft holes of the two round magnetic stainless steel baffles and the output shaft of the motor. The radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector is used on a larger-space occasion and used for motor protection.
Description
Technical field
The present invention relates to a kind of motor protecter, belong to electric motor protecting equipment technical field.
Background technology
Reducing gear (as decelerator) friction the impurity such as the iron filings that produce have important impact to long-time effectively operation of permagnetic synchronous motor (hereinafter referred to as motor), simultaneously the impurity such as iron filings also can produce harmful effect to the serviceability of motor for a long time in motor body, not only make electrical machmary maintenance cost increase, also can have a strong impact on the useful life of motor.Therefore how reducing the impurity such as iron filings enters in motor body, and effectively improve performance and the life-span of motor, the maintenance cost reducing motor is current problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of radial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not, to solve at present because of without motor protecter, motor serviceability and life-span all can be reduced, and the problem of increase electrical machmary maintenance cost.
The present invention solves the problem the technical scheme taked respectively:
The radial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not, the described radial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not comprises multiple radial magnetic circuit one pole facewidth deceleration type motor protecter such as not, and each radial magnetic circuit one pole facewidth deceleration type motor protecter such as not includes non-magnetic stainless steel sleeve, permanent magnet, magnetic stainless steel cover and two circular magnetic stainless steel baffle plates;
Described permanent magnet is disc-shape, the permanent magnet of disc-shape is installed in non-magnetic stainless steel sleeve, the magnetic circuit of the permanent magnet of disc-shape is disposed radially, described two circular magnetic stainless steel baffle plates are fixed on the two ends in non-magnetic stainless steel sleeve, and circular magnetic stainless steel baffle plate reclines mutually with two end faces of the permanent magnet of disc-shape, the middle part of two circular magnetic stainless steel baffle plates is respectively equipped with axis hole, the middle part of the permanent magnet of disc-shape is provided with installing hole, described installing hole internal fixtion has magnetic stainless steel cover, described magnetic stainless steel cover is coaxially arranged with the axis hole of two circular magnetic stainless steel baffle plates, the inner peripheral surface of magnetic stainless steel cover is processed with vertically the tooth of several facewidth such as not, multiple radial magnetic circuit one pole facewidth deceleration type motor protecter such as not is coaxially arranged, during use, the output shaft of described motor passes the multiple radial magnetic circuit one pole magnetic stainless steel cover of facewidth deceleration type motor protecter and axis hole of circular magnetic stainless steel baffle plate such as not, and each radial magnetic circuit one pole not etc. several facewidth such as or not the magnetic stainless steel cover of facewidth deceleration type motor protecter the outside circle side face of tooth and be equipped with gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates and the output shaft of motor.
The present invention relative to the beneficial effect of prior art is:
The facewidth deceleration type motor protecter such as 1, adopt the multistage one pole of radial magnetic circuit of the present invention not, only need carry out installing according to reserved space, effectively can reduce iron filings impurity etc. and enter in motor body between motor and decelerator.Because protector structure pattern of the present invention is simple, easy processing and manufacturing, and the effect highly significant to electric motor protecting.Practice shows, after being provided with protector of the present invention, effectively can improve motor useful life more than 20%, reduce motor operation expense more than 11%, can use under the particular surroundings such as oil, deep-sea.
the inner peripheral surface of 2, magnetic stainless steel cover is processed with vertically the tooth of several facewidth such as not, object is the area in order to increase adsorbing contaminant, and make the amount of adsorbing contaminant larger, adsorption effect is better.
To sum up, the radial magnetic circuit of the present invention multistage one pole facewidth deceleration type motor protecter such as is not applicable to the occasion of larger space, due to the cause of multilevel hierarchy, better to the protected effect of motor.
Accompanying drawing explanation
Fig. 1 is the radial magnetic circuit of the present invention multistage one pole main cutaway view of facewidth deceleration type motor protecter such as not;
Fig. 2 be by multistage for radial magnetic circuit of the present invention one pole not etc. facewidth deceleration type motor protecter be arranged on the front view between motor and decelerator;
Fig. 3 is the left view of Fig. 2.
The component names related in above-mentioned figure and label are respectively:
The tooth 4-1 of non-magnetic stainless steel sleeve 1, circular magnetic stainless steel baffle plate 2, permanent magnet 3, magnetic stainless steel cover 4, the facewidth such as not, output shaft 5, decelerator 6, radial magnetic circuit one pole facewidth deceleration type motor protecter 7, the motor 8 such as not.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented under premised on technical solution of the present invention, gives detailed execution mode, but protection scope of the present invention is not limited to following embodiment.
Embodiment one: as depicted in figs. 1 and 2, the radial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not, the described radial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not comprises multiple radial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as not, and each radial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as not includes non-magnetic stainless steel sleeve 1, permanent magnet 3, magnetic stainless steel cover 4 and two circular magnetic stainless steel baffle plates 2;
Described permanent magnet 3 is disc-shape, the permanent magnet 3 of disc-shape is installed in non-magnetic stainless steel sleeve 1, the magnetic circuit of the permanent magnet 3 of disc-shape is disposed radially, described two circular magnetic stainless steel baffle plates 2 are fixed on the two ends in non-magnetic stainless steel sleeve 1, and circular magnetic stainless steel baffle plate 2 reclines mutually with two end faces of the permanent magnet 3 of disc-shape, the middle part of two circular magnetic stainless steel baffle plates 2 is respectively equipped with axis hole, the middle part of the permanent magnet 3 of disc-shape is provided with installing hole, described installing hole internal fixtion has magnetic stainless steel to overlap 4, described magnetic stainless steel cover 4 and the axis hole of two circular magnetic stainless steel baffle plates 2 are coaxially arranged, the inner peripheral surface of magnetic stainless steel cover 4 is processed with vertically the tooth 4-1 of several facewidth such as not, multiple radial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as not is coaxially arranged, during use, the output shaft 5 of described motor 8 passes the multiple radial magnetic circuit one pole magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 and axis hole of circular magnetic stainless steel baffle plate 2 such as not, and each radial magnetic circuit one pole not etc. several facewidth such as or not the magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 the outside circle side face of tooth 4-1 and be equipped with gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates 2 and the output shaft 5 of motor 8.
The shape of the tooth 4-1 of the facewidth such as not on the inner peripheral surface of magnetic stainless steel cover 4 is not limit, and can be rectangular teeth, stepped tooth or lance tooth etc., convenient processing.
Multiple radial magnetic circuit one pole the facewidth deceleration type motor protecter 7 preferably spaced set vertically such as not, and its more effective reduction iron filings impurity etc. is entered in motor body.The quantity of the radial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as is not determined according to space reserved between motor 8 and decelerator 6.
The N pole of the permanent magnet 3 of each disc-shape is disposed adjacent with non-magnetic stainless steel sleeve 1, and S pole and the magnetic stainless steel of the permanent magnet 3 of each disc-shape are overlapped 4 and be disposed adjacent, thus makes to form complete closed magnetic circuit between axle system, air gap, permanent magnet.
Embodiment two: as depicted in figs. 1 and 2; radial magnetic circuit described in the embodiment one multistage one pole facewidth deceleration type motor protecter such as not, described each radial magnetic circuit one pole several outside circle side face of tooth 4-1 of the facewidth such as or not magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 and gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates 2 and the output shaft 5 of motor 8 such as is not 1 ~ 2mm.Both ensure that the normal operation of motor 8, and iron filings impurity etc. can also have been intercepted to greatest extent simultaneously and enter in motor body.
Embodiment three: as shown in Figure 1; radial magnetic circuit described in the embodiment one or two multistage one pole facewidth deceleration type motor protecter such as not, the tooth depth of described multiple radial magnetic circuit one poles tooth 4-1 of several facewidth such as or not the magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 such as or not all equal.Object is convenient processing.
Operation principle: as shown in Fig. 1 ~ Fig. 3, by multistage for radial magnetic circuit of the present invention one pole not etc. facewidth deceleration type motor protecter and motor 8 and decelerator 6 coaxially install, and to be arranged between motor 8 and decelerator 6.Due to the effect of the permanent magnet 3 of disc-shape, the impurity such as iron filings are adsorbed on the surface of circular magnetic stainless steel baffle plate 2 and magnetic stainless steel cover 4, and can not suck the internal body of motor 8; The outside circle side face of the tooth 4-1 of several facewidth such as or not output shaft 5 and magnetic stainless steel due to motor 8 overlap 4 and the axle hole inner circle side face gap of two circular magnetic stainless steel baffle plates 2 very little, only has 1 ~ 2mm, so larger-diameter iron filings particle can be blocked in motor body outside, and then serve the effect of protection motor 8, effectively prevent the impurity such as the iron filings produced due to decelerator 6 mechanical friction enter the inside of motor 8 and cause the decline of motor 8 performance, improve the useful life of motor 8 and decelerator 6 thereof; Described motor 8 is permagnetic synchronous motor.
Claims (3)
1. the radial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not, it is characterized in that: the described radial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not comprises multiple radial magnetic circuit one pole facewidth deceleration type motor protecter (7) such as not, each radial magnetic circuit one pole facewidth deceleration type motor protecter (7) such as not includes non-magnetic stainless steel sleeve (1), permanent magnet (3), magnetic stainless steel cover (4) and two circular magnetic stainless steel baffle plates (2);
Described permanent magnet (3) is disc-shape, the permanent magnet (3) of disc-shape is installed in non-magnetic stainless steel sleeve (1), the magnetic circuit of the permanent magnet (3) of disc-shape is disposed radially, described two circular magnetic stainless steel baffle plates (2) are fixed on the two ends in non-magnetic stainless steel sleeve (1), and circular magnetic stainless steel baffle plate (2) reclines mutually with two end faces of the permanent magnet (3) of disc-shape, the middle part of two circular magnetic stainless steel baffle plates (2) is respectively equipped with axis hole, the middle part of the permanent magnet (3) of disc-shape is provided with installing hole, described installing hole internal fixtion has magnetic stainless steel cover (4), described magnetic stainless steel cover (4) is coaxially arranged with the axis hole of two circular magnetic stainless steel baffle plates (2), the inner peripheral surface of magnetic stainless steel cover (4) is processed with vertically the tooth (4-1) of several facewidth such as not, multiple radial magnetic circuit one pole facewidth deceleration type motor protecter (7) such as not is coaxially arranged, during use, the output shaft (5) of described motor (8) passes the multiple radial magnetic circuit one pole magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) and axis hole of circular magnetic stainless steel baffle plate (2) such as not, and each radial magnetic circuit one pole not etc. several facewidth such as or not the magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) the outside circle side face of tooth (4-1) and be equipped with gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates (2) and the output shaft (5) of motor (8).
2. the radial magnetic circuit according to claim 1 multistage one pole facewidth deceleration type motor protecter such as not, is characterized in that: described each radial magnetic circuit one pole several outside circle side face of tooth (4-1) of the facewidth such as or not magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) and gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates (2) and the output shaft (5) of motor (8) such as is not 1 ~ 2mm.
3. the radial magnetic circuit according to claim 1 and 2 multistage one pole facewidth deceleration type motor protecter such as not, is characterized in that: the tooth depth of described multiple radial magnetic circuit one poles tooth (4-1) of several facewidth such as or not the magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) such as or not all equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151030.7A CN104702025A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151030.7A CN104702025A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104702025A true CN104702025A (en) | 2015-06-10 |
Family
ID=53348879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151030.7A Pending CN104702025A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage monopole unequal-tooth-width speed reduction type motor protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104702025A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384791A (en) * | 2019-09-26 | 2020-07-07 | 广东威灵电机制造有限公司 | Motor and household appliance |
| CN111384804A (en) * | 2019-09-26 | 2020-07-07 | 广东威灵电机制造有限公司 | Motor and household appliance |
| CN112564344A (en) * | 2019-09-26 | 2021-03-26 | 广东威灵电机制造有限公司 | Rotor and motor |
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| CN201596568U (en) * | 2009-03-26 | 2010-10-06 | 游锦益 | Magnetic roller structure |
| CN202983884U (en) * | 2012-12-25 | 2013-06-12 | 宜兴兴贝耐火材料制品有限公司 | Device for removing scrap iron |
| CN203044151U (en) * | 2012-12-26 | 2013-07-10 | 重庆神工机械制造有限责任公司 | Magnetic roller of chip cleaner |
| CN203604006U (en) * | 2013-12-28 | 2014-05-21 | 张瑞新 | Automobile magnetic filter |
-
2015
- 2015-04-01 CN CN201510151030.7A patent/CN104702025A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201596568U (en) * | 2009-03-26 | 2010-10-06 | 游锦益 | Magnetic roller structure |
| CN202983884U (en) * | 2012-12-25 | 2013-06-12 | 宜兴兴贝耐火材料制品有限公司 | Device for removing scrap iron |
| CN203044151U (en) * | 2012-12-26 | 2013-07-10 | 重庆神工机械制造有限责任公司 | Magnetic roller of chip cleaner |
| CN203604006U (en) * | 2013-12-28 | 2014-05-21 | 张瑞新 | Automobile magnetic filter |
Non-Patent Citations (1)
| Title |
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| 张杨: "发展潜油电机驱动螺杆泵之管见", 《石油矿场机械》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384791A (en) * | 2019-09-26 | 2020-07-07 | 广东威灵电机制造有限公司 | Motor and household appliance |
| CN111384804A (en) * | 2019-09-26 | 2020-07-07 | 广东威灵电机制造有限公司 | Motor and household appliance |
| CN112564344A (en) * | 2019-09-26 | 2021-03-26 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN111384804B (en) * | 2019-09-26 | 2022-03-15 | 广东威灵电机制造有限公司 | Motor and household appliance |
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Application publication date: 20150610 |
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| WD01 | Invention patent application deemed withdrawn after publication |