CN102751836A - Novel brushless microwave oven cooling fan motor - Google Patents
Novel brushless microwave oven cooling fan motor Download PDFInfo
- Publication number
- CN102751836A CN102751836A CN2011104064403A CN201110406440A CN102751836A CN 102751836 A CN102751836 A CN 102751836A CN 2011104064403 A CN2011104064403 A CN 2011104064403A CN 201110406440 A CN201110406440 A CN 201110406440A CN 102751836 A CN102751836 A CN 102751836A
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- motor
- microwave oven
- cooling fan
- circuit board
- motor cabinet
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Abstract
The invention discloses a novel brushless microwave oven cooling fan motor. The motor comprises a motor base, an oil-retaining bearing, a stator component, a rotor component and a circuit board, wherein the stator component comprises a stator core, an upper wire clamp, a lower wire clamp and two groups of coils, the stator core, the upper wire clamp and the lower wire clamp are fixedly installed on a central cylinder of the motor base, the coils are installed on the stator core in a surround mode, the rotor component comprises a magnetic steel ring, a plastic magnetic stripe and a rotor shaft, the rotor shaft is connected with the oil-retaining bearing of the central cylinder of the motor base, the plastic magnetic stripe and the magnetic steel ring are in a sleeve connection with the rotor shaft and connected with the motor base, and the circuit board is fixed on the motor base. The novel brushless microwave oven cooling fan motor has the advantages that the structure is simple and novel, the usage is convenient and flexible, due to an electronic component, the motor can achieve direct current power supply and alternating current low voltage power supply, the production cost of the motor can be substantially lowered, a novel brushless structure is utilized, so that a series of comprehensive performances of the motor can be greatly improved, the overall structure is compact, the moment of force is large, the input power is small, the noise is low, the efficiency is high, the maximum output power of the motor can reach to 5.2W, the energy saving effect is remarkable, and the like.
Description
Technical field
The present invention relates to a kind of microwave oven part field, especially relate to a kind of novel brushless microwave oven cooling fan motor.
Background technology
In the prior art, microwave oven generally is provided with transformer, and transformer is installed in magnetron below, furnace chamber bottom, and after microwave oven work a period of time, the transformer temperature rises very fast.For cooled microwave furnace interior components and parts, blow away the steam that food produces and give transformer, magnetron heat radiation; Cooling fan motor generally is installed in microwave oven; But existing microwave oven cooling fan motor generally adopts motor with cup rotor; Consumed power is big, and noise is big, does not conform to the energy-conservation overall situation of current promotion.
The present invention has carried out useful improvement in order to overcome above-mentioned defective.
Summary of the invention
The objective of the invention is to solve above-mentioned deficiency of the prior art, a kind of novel brushless microwave oven cooling fan motor is provided.
To achieve these goals, the present invention adopts following technical scheme:
A kind of novel brushless microwave oven cooling fan motor comprises motor cabinet, oiliness bearing, stator module and rotor assembly, and its special character is: said novel brushless microwave oven cooling fan motor also comprises circuit board; Described stator module comprises stator core, goes up wire clamp, drop wire clip and line bag; Said stator core, last wire clamp and drop wire clip are fixedly mounted on the newel of motor cabinet, and described line is surrounded by two groups, is respectively line bag L1 and line bag L2; Two groups of said line bags are around being installed in the stator core; Described rotor assembly comprises the magnet steel iron ring, moulds magnetic stripe and armature spindle, and described oiliness bearing has two, is installed in the top and the bottom of motor cabinet newel respectively; Described armature spindle is connected with the oiliness bearing of motor cabinet newel; The described magnetic stripe of moulding is socketed on the armature spindle and with motor cabinet with the magnet steel iron ring and is connected, and described circuit board is fixed on the motor cabinet, comprises electronic devices and components on the described circuit board;
Further; Said circuit board is installed in the bottom of motor cabinet; And said circuit board comprises epoxy wiring board, electronic devices and components and draws the power line insert group outward, and the said outer power line that draws is inserted and stretched out outside motor cabinet, and described electronic devices and components comprise Hall control element COM;
Further; Described drop wire clip is enclosed within the stator core below and is connected the upper end of circuit board; The described chuck of reaching the standard grade is above stator core, and on the socket motor cabinet newel, pad is connected to O type circle between the oiliness bearing at described motor cabinet newel top and the last wire clamp;
Further, the described outer power line that draws is inserted to being fixed on pin or two wiring connectors on the circuit board;
Further, described electronic devices and components comprise protection diode D, Hall control element COM, and described Hall control element COM is connected with line bag L1, line bag L2 respectively, and described protection diode D one end links to each other with the common port of line bag L2 with line bag L1;
Further, described protection diode D and Hall control element front end are connected with ac-dc conversion circuit.
Beneficial effect of the present invention: the present invention's novelty simple in structure; Easy to use flexibly because electronic devices and components, make that motor can direct current supply; Also can supply power by AC low-tension; Make the cost of manufacture of motor significantly reduce,, improved a series of combination properties of motor greatly owing to adopt novel brushless structure.Have compact overall structure, big, little, the characteristics such as noise is little, efficient height of input power of moment, maximum work output Li Keda 5.2W, energy-saving effect is obvious.
Description of drawings
The structure explosive view of Fig. 1 embodiments of the invention;
The assembling sketch map of Fig. 2 embodiments of the invention;
Fig. 3 embodiments of the invention line bag circuit connection diagram;
[0015] Fig. 4 embodiments of the invention have the line bag circuit connection diagram of ac-dc conversion circuit;
Reference numeral: 1. motor cabinet; 2. oiliness bearing; 3. circuit board; 4. stator core; 5. go up wire clamp; 6. drop wire clip; 7. line bag; 8. magnet steel iron ring; 9. mould magnetic stripe; 10. armature spindle; 11.O type circle; 12. two wiring connectors.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Embodiments of the invention are with reference to illustrated in figures 1 and 2, and a kind of novel brushless microwave oven cooling fan motor, its support component comprise motor cabinet 1 and oiliness bearing 2.Support, connection as whole motor; Also comprise stator module and rotor assembly; Said novel brushless microwave oven cooling fan motor also comprises circuit board 3, and described stator module comprises stator core 4, goes up wire clamp 5, drop wire clip 6 and line bag 7, said stator core 4, goes up wire clamp 5 and drop wire clip 6 is fixedly mounted on the newel of motor cabinet 1; Play electric energy conversion magnetic energy; Described line bag 7 has two groups and around being installed in the stator core 4, described rotor assembly comprises magnet steel iron ring 8, moulds magnetic stripe 9 and armature spindle 10, accomplishes the task of converting the rotation magnetic energy that is received by stator module into rotation function.Described oiliness bearing 2 has two; Be installed in the top and the bottom of motor cabinet 1 newel respectively; Described armature spindle 10 is connected with the oiliness bearing 2 at motor cabinet 1 newel top; Described magnetic stripe 9 and the magnet steel iron ring 8 moulded is socketed in armature spindle 10 and is connected with motor cabinet 1 successively, and described circuit board 3 is fixed on the motor cabinet 1.
Said circuit board 3 is installed in the bottom of motor cabinet 1, and said circuit board 3 comprises epoxy wiring board, electronic devices and components and draw the power line insert group outward, and wherein outer to draw that power line inserts be two wiring connectors 12, stretches out outside motor cabinet 1.Circuit board 3 is master control units of brushless electric machine; It relies on two groups of line bags 7 of the special control of the magnetosensitive stator module of Hall control element to rotate break-make on request; Make it to form rotating magnetic field, become possibility for black box converts electric energy into rotation function under brushless situation by setting requirement.
Described drop wire clip 6 is enclosed within on motor cabinet 1 newel and snaps onto the upper end of circuit board 3, and the described wire clamp 5 of going up is installed in stator core 4 tops, and pad is connected to O type circle 11 between the oiliness bearing 2 at described motor cabinet 1 newel top and the last wire clamp 5.
This motor comprise structure promptly applicable to AC power also applicable to DC power supply, under the situation with reference to figure 3, under condition, use with 12V-24V DC power supply.Power supply by the computerized version microwave oven directly obtains the 12V-24V direct current through protecting diode D and Hall control element COM control line bag L1, L2 work by turns; Be applicable to that the situation that exchanges point is as shown in Figure 4; It has increased an ac-dc conversion circuit that carries on the basis of Fig. 3; Power supply to be exchanged devices such as ac-dc conversion device that the 12V-30V electric current carries through motor and capacitor C and converts the voltage stabilizing direct current to by the magnetic control transformer, again through protection diode D and Hall control element COM control line bag L1, the L2 work of taking turns.
The above execution mode has only been expressed one embodiment of the present invention, but can not therefore be interpreted as limitation of the scope of the invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. a novel brushless microwave oven cooling fan motor comprises motor cabinet, oiliness bearing, stator module and rotor assembly, it is characterized in that: said novel brushless microwave oven cooling fan motor also comprises circuit board; Described stator module comprises stator core, goes up wire clamp, drop wire clip and line bag; Said stator core, last wire clamp and drop wire clip are fixedly mounted on the newel of motor cabinet, and described line is surrounded by two groups, is respectively line bag L1 and line bag L2; Two groups of said line bags are around being installed in the stator core; Described rotor assembly comprises the magnet steel iron ring, moulds magnetic stripe and armature spindle, and described oiliness bearing has two, is installed in the top and the bottom of motor cabinet newel respectively; Described armature spindle is connected with the oiliness bearing of motor cabinet newel; The described magnetic stripe of moulding is socketed on the armature spindle and with motor cabinet with the magnet steel iron ring and is connected, and described circuit board is fixed on the motor cabinet, comprises electronic devices and components on the described circuit board.
2. a kind of novel brushless microwave oven cooling fan motor according to claim 1; It is characterized in that: said circuit board is installed in the bottom of motor cabinet; And said circuit board comprises epoxy wiring board, electronic devices and components and draws the power line insert group outward; The said outer power line that draws is inserted and is stretched out outside motor cabinet, and described electronic devices and components comprise Hall control element COM.
3. a kind of novel brushless microwave oven cooling fan motor according to claim 1 and 2; It is characterized in that: described drop wire clip is enclosed within the stator core below and is connected the upper end of circuit board; The described chuck of reaching the standard grade is above stator core; And on the socket motor cabinet newel, pad is connected to O type circle between the oiliness bearing at described motor cabinet newel top and the last wire clamp.
4. a kind of novel brushless microwave oven cooling fan motor according to claim 3 is characterized in that: the described outer power line that draws is inserted to fixing pin or two wiring connectors in the circuit board.
5. a kind of novel brushless microwave oven cooling fan motor according to claim 4; It is characterized in that: described electronic devices and components comprise protection diode D, Hall control element COM; Described Hall control element COM is connected with line bag L1, line bag L2 respectively, and described protection diode D one end links to each other with the common port of line bag L2 with line bag L1.
6. a kind of novel brushless microwave oven cooling fan motor according to claim 5, it is characterized in that: described protection diode D and Hall control element front end are connected with ac-dc conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104064403A CN102751836A (en) | 2011-12-08 | 2011-12-08 | Novel brushless microwave oven cooling fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104064403A CN102751836A (en) | 2011-12-08 | 2011-12-08 | Novel brushless microwave oven cooling fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102751836A true CN102751836A (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104064403A Pending CN102751836A (en) | 2011-12-08 | 2011-12-08 | Novel brushless microwave oven cooling fan motor |
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| Country | Link |
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| CN (1) | CN102751836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018076989A1 (en) * | 2016-10-27 | 2018-05-03 | 东莞市翰硕塑胶有限公司 | Dc three-phase brushless motor for household fans |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435875Y (en) * | 2000-07-04 | 2001-06-20 | 深圳航天微电机有限公司 | Brushless dc motor submersible oil pump |
| US20070273238A1 (en) * | 2006-05-26 | 2007-11-29 | Nidec Corporation | Brushless motor |
| CN201209573Y (en) * | 2008-06-13 | 2009-03-18 | 元山科技工业股份有限公司 | Radiator fan |
| CN101771321A (en) * | 2010-02-20 | 2010-07-07 | 南通万宝磁石制造有限公司 | Anisotropic sintered ferrite inner diameter orientation magnetic steel used by externally rotating brushless motor rotor |
| CN201918818U (en) * | 2010-12-01 | 2011-08-03 | 广东威灵电机制造有限公司 | Wire clamping and buckling device for plastic-packaged motor |
| CN202488319U (en) * | 2011-11-29 | 2012-10-10 | 陈国章 | Novel brushless microwave oven cooling fan motor |
-
2011
- 2011-12-08 CN CN2011104064403A patent/CN102751836A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435875Y (en) * | 2000-07-04 | 2001-06-20 | 深圳航天微电机有限公司 | Brushless dc motor submersible oil pump |
| US20070273238A1 (en) * | 2006-05-26 | 2007-11-29 | Nidec Corporation | Brushless motor |
| CN201209573Y (en) * | 2008-06-13 | 2009-03-18 | 元山科技工业股份有限公司 | Radiator fan |
| CN101771321A (en) * | 2010-02-20 | 2010-07-07 | 南通万宝磁石制造有限公司 | Anisotropic sintered ferrite inner diameter orientation magnetic steel used by externally rotating brushless motor rotor |
| CN201918818U (en) * | 2010-12-01 | 2011-08-03 | 广东威灵电机制造有限公司 | Wire clamping and buckling device for plastic-packaged motor |
| CN202488319U (en) * | 2011-11-29 | 2012-10-10 | 陈国章 | Novel brushless microwave oven cooling fan motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018076989A1 (en) * | 2016-10-27 | 2018-05-03 | 东莞市翰硕塑胶有限公司 | Dc three-phase brushless motor for household fans |
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Application publication date: 20121024 |