CN201576994U - Cooling mechanism of motor for domestic food processor - Google Patents
Cooling mechanism of motor for domestic food processor Download PDFInfo
- Publication number
- CN201576994U CN201576994U CN2009202497189U CN200920249718U CN201576994U CN 201576994 U CN201576994 U CN 201576994U CN 2009202497189 U CN2009202497189 U CN 2009202497189U CN 200920249718 U CN200920249718 U CN 200920249718U CN 201576994 U CN201576994 U CN 201576994U
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- motor
- fan blade
- food processor
- domestic food
- base plate
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Abstract
The utility model relates to a cooling mechanism of a motor for a domestic food processor, comprising a shell body, a motor and a fan blade, wherein the motor is arranged in the shell body, and the fan blade is arranged under the motor and is driven by the motor to rotate. The utility model is characterized that the cooling mechanism also comprises a cover body, and the cover body is covered at the periphery of the motor and the fan blade, is located on a base plate and forms a barrel-shaped inner cavity with the base plate. The bottom part of the inner cavity is provided with a wind channel arranged along the tangential direction of the perisporium of the inner cavity, and the tail end of the wind channel is provided with an exhaust outlet which is used for expelling hot wind generated by a cooling motor from the inner cavity. The fan blade is a centrifugal fan blade and is fixed on a baffle plate positioned under the fan blade, and the baffle plate is driven by the motor to rotate. The upper part of the shell body is provided with a vent hole. Compared with the prior art, the cooling mechanism has the advantages that cold air enters from the upper part of the shell body and hot air is expelled from the lower part, so small trash, dust and water vapour on a working table are prevented from entering the inner part of the shell body of the domestic food processor, therefore the using barriers caused by the matters and the erosion of the matters to the inner parts of the domestic food processor are avoided, the using life of the processor is prolonged, and meanwhile the cooling mechanism brings comfortable operation feeling for users.
Description
Technical field
The utility model relates to a kind of cooling body of motor for domestic food processor.
Background technology
The heating of motor in running is that engineering circle is paid close attention to always.Heat in the motor operation course is mainly from the iron loss of stator, the copper loss and the eddy current loss of winding.So-called iron loss, the heat that the magnetic field that the cycle that is meant changes produces in silicon steel sheet, the copper loss of winding is meant that electric current flows through the heat that copper cash produces, eddy current loss is the heat that alternating magnetic field produces because of vortex phenomenon in ferrous metal; Wherein, the copper loss of winding accounts for the major part of whole heating.Heating in the motor operation course is inevitably, in order to prolong the life-span of motor, guarantees the normal operation of motor, need dispel the heat to motor.
What household food processor generally used is the series excitation alternating current machine, and the heating in the motor operation course is relatively big, and too high temperature not only can cause the reduction of electrical machinery life, and can bring potential safety hazard.Therefore, the cooling of motor for domestic food processor is particularly important.
Fan blade self-cold radiating mode is mainly adopted in the heat radiation of food processing machine motor at present, promptly rotates by motor and drives the fan blade rotation that is installed on the motor, produces wind, thereby carries out air-cooled to motor.Fan blade is installed in the bottom of motor usually, and fan blade sucks wind from the bottom of food processing engine housing, blows on the motor of its top.Because the household food processor rotating speed of motor is up to more than 1.5 ten thousand rev/mins, therefore the wind speed that fan blade produced is very considerable, powerful cold wind ceaselessly blows to motor, hot blast is gone out machine from bottom to top, make the heat that motor produced therefore distribute, reduced the machine operation temperature, the motor of high speed rotating is cooled off timely.But, because the wind that is used to cool off is the bottom suction from housing, the high speed rotating of fan blade makes that simultaneously being scattered in the tiny rubbish on the table top, a large amount of dust and steam is brought in the motor, these pollutant sources are easy to corrode the electrical type element in the machine, cause and use obstacle and even reduction of service life; Simultaneously, hot blast blows out around the top of household food processor main body, can directly blow to the user, and this is a kind of very offending impression for the user.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, the cooling body of the motor for domestic food processor that a kind of cold wind enters from household food processor top, hot blast is discharged from the bottom is provided, it can prevent that tiny rubbish, dust and steam from entering the household food processor enclosure interior, thereby avoid use obstacle that these materials cause and to the erosion of household food processor inner body, prolong the useful life of processing machine, bring the user more comfortable operating experience simultaneously.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the cooling body of this motor for domestic food processor comprises:
Housing is equipped with the parts of this household food processor in its internal cavities;
Motor is arranged in the cavity of housing, is used to drive stirring parts or the rotation of cutter spare that food processor reaches;
Fan blade is arranged on the below of motor, and is rotated by motor-driven;
It is characterized in that also comprising:
Cover body covers on the periphery of described motor and fan blade, and the inner bottom surface of itself and housing constitutes the tubbiness inner chamber; The bottom of inner chamber is provided with the air channel along the inner chamber perisporium, and the tail end in air channel is provided with the exhaust outlet that the hot blast that cooling motor is produced is discharged described inner chamber;
Described fan blade is fixed on the baffle plate that is positioned at its below, and described baffle plate is rotated by motor-driven, and baffle plate can shelter from fan blade from the below of fan blade, with prevent fan blade when rotating from it below air draught;
The top of described housing is provided with ventilation hole, is used for fan blade and sucks cold wind in this slit when rotating.
After the electrical power running, motor speed is more than 1.2 ten thousand rev/mins, and centrifugation blade is with the motor shaft high speed rotating, and fan blade stirs surrounding air and produces wind.Because the setting of baffle plate, this centrifugation blade can not suck air from its below, and cold air can only enter from the ventilation hole that is arranged on the housing top, from the air channel that is arranged on the bottom hot blast is discharged then; So just avoided that tiny rubbish, dust and steam enters in the housing on the workbench, thereby effectively prevented of erosion and the obstruction of these materials to motor and other parts, can not prolong the useful life of this household food processor because of extraneous factor generation operational failure; Because air channel and exhaust outlet are arranged on the bottom of inner chamber,, bring happier use experience simultaneously to the operator so the hot blast of discharging can not blow on operator's the body; And the setting of cover body can also be isolated in hot blast in the formed inner chamber of cover body and base plate, can not diffuse in the cavity between cover body and the housing, has avoided high temperature to being installed in the adverse effect of the electronic circuit board in the cavity; This cover body also has the effect of noise isolation simultaneously, can effectively reduce the noise that motor rotates.
Preferably, can more slidingly freely discharge in order to make hot blast, described air channel can be along the tangential direction setting of described inner chamber perisporium.
For the ease of the assembling of this household food processor, described housing can comprise base plate and the block that is arranged on the base plate, and described cover body is seated on the described base plate, and constitutes the tubbiness inner chamber with base plate.
The bottom of described cover body can have to projecting inward flange along the inwall periphery of cover body, in described fan blade and the baffle plate cavity between this flange and base plate.This design can further limit the flow direction of hot blast.
Preferably, described exhaust outlet can be arranged on the described base plate, and hot blast is discharged from the below of base plate.
It is coniform that described baffle plate can be, and described fan blade is uniform along the baffle plate excircle.Cone shape baffle plate makes the outer side edges of fan blade grow up in the inboard length of side, and when rotating, the air quantity of outer side edges can more help forming negative pressuren zone in cover body greater than the air quantity of inner side edge, guarantees that cool breeze enters from top, discharges from the bottom like this.
As the further improvement of such scheme, described fan blade can adopt centrifugation blade; Described motor can adopt series excited machine.
Compared with prior art, the utility model has designed the cover body that surrounds motor and fan blade especially, and below fan blade, be provided with baffle plate, the air channel of discharging hot blast is arranged on the bottom of base plate and cover body, avoided cold air to enter from the bottom of motor, cold air is entered from the top of housing, hot-air is discharged from the below, prevented rubbish tiny on the work top, dust and steam enter the household food processor enclosure interior, thereby avoid use obstacle that these materials cause and to the erosion of household food processor inner body, prolong the useful life of processing machine, bring the user more comfortable operating experience simultaneously.
Description of drawings
Fig. 1 is the floor map of vertical sectional structure of the utility model embodiment;
Fig. 2 is the floor map (not comprising housing) of vertical sectional structure of another direction of the utility model embodiment;
Fig. 3 is the floor map of base arrangement among the utility model embodiment;
Fig. 4 is the cutaway view along A-A line among Fig. 3;
Fig. 5 is the upward view of Fig. 3.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
To shown in Figure 5, the cooling body of this motor for domestic food processor comprises as Fig. 1:
Housing, housing is made up of base plate 1 and block 2.As shown in Figure 1, block 2 is tubbiness, and buckle closure is on base plate 1.
The top of block 2 is provided with ventilation hole 4 in the present embodiment.Block 2 also is the accole of other electronic components of household food processor, and electronic circuit board is installed and also is installed on the block 2.
As shown in Figure 3 and Figure 4, base plate 1 is provided with exhaust outlet 6, the base 11 that its middle part formation protruding upward and following cover body 3 are complementary; This base 11 is circular arc, and air channel 7 is provided with along the tangent line straight line of arc, and the end in air channel 7 is positioned at exhaust outlet 6 places, and the end in air channel 7 has sloping type shutter 12, is beneficial to hot blast and enters exhaust outlet 6 smoothly.The last ora terminalis of base 11 is step-like, has to projecting inward step 13.
The shape of cover body 3 bottoms and the shape of base 11 are complementary, and cover body 3 is seated on the step 13 of base, and constitute the tubbiness inner chamber with base plate 1; The upper end of cover body 3 is fixed on the inner top surface of block 2.The bottom of cover body 3 has to projecting inward flange 10 along the inwall periphery of cover body 3.
Series excited machine 5 is positioned at cover body 3, and its top is fixed on the inner top surface of block 2, and the last output shaft of motor 5 connects the stirring parts of this household food processor, the center of the fixedly connected baffle plate 9 of following output shaft of motor 5.
During use, close energize, motor 5 high speed rotating, driving stirring parts and baffle plate 9 simultaneously rotates together, because the barrier effect of baffle plate 9, fan blade 8 run up the centrifugal force that is produced can only be from the cool breeze the ventilation hole 4 suction surrounding environment that are arranged on housing top, these cool breeze blow to the motor 5 of heating, with motor 5 coolings, the hot blast that motor 5 cooling backs are produced is discharged along the passage that is arranged on cover body 3 and base plate 1 bottom.
For the wind of abaxial direction, the designed structure of present embodiment can make these wind be discharged into outside along specific passage and air channel 7; And for the wind that blows to motor 5 bodies, a part is subjected to stopping that forming eddy current continues to remain in the cover body 3, after another part then passes through motor 5, upwards blows out.The setting in centrifugation blade 8 and specific air channel in the present embodiment, can guarantee that centrifugal wind total amount is far longer than the air quantity that blows out top, the air quantity that promptly blows out the bottom is all the time greater than the air quantity that blows out top, like this in cover body 3 spaces of sealing relatively, will inevitably form negative pressuren zone, promptly the air pressure of cover body 3 inside is less than the air pressure of cover body 3 outsides.
As everyone knows, the air in high-pressure area can flow into angrily nip, therefore cold air is difficult to be entered in the cover body 3 by exhaust outlet 6, can only enter from the ventilation hole 4 on housing top, such air flows has from top to bottom just been set up in cover body 3, and promptly cover body 3 bottoms blow out hot-air because of the continuous air draft of motor centrifugation blade 8, and top then constantly flows into cold air and fills up negative pressuren zone, motor 5 is also taken away heat because of cold air flows through, and has reduced temperature.
And other parts and the electronic circuit board installed in the space in the housing outside cover body 3, because of hot-air directly is discharged into outside in cover body 3, can not diffuse into this space, so these parts and electronic circuit board have also been avoided the adverse effect of high temperature thus.Simultaneously,, avoided that small garbage and dust enter motor 5 on the desktop, avoided also that steam is inhaled into and the phenomenon of corrosion electrical motor 5 and electronic circuit board on the desktop because air is top-down flows.
Claims (8)
1. the cooling body of a motor for domestic food processor comprises:
Housing is equipped with the parts of this household food processor in its internal cavities;
Motor (5) is arranged in the cavity of housing, is used to drive the stirring parts or the rotation of cutter spare of food processor;
Fan blade (8) is arranged on the below of motor (5), and is driven by motor (5) and to rotate;
It is characterized in that also comprising:
Cover body (3) covers on the periphery of described motor (5) and fan blade, and the inner bottom surface of itself and housing constitutes the tubbiness inner chamber; The bottom of inner chamber is provided with air channel (7) along the inner chamber perisporium, and the tail end of air channel (7) is provided with the exhaust outlet (6) of cooling motor (5) hot blast that is produced being discharged described inner chamber;
Described fan blade (8) is fixed on the baffle plate (9) that is positioned at its below, and described baffle plate (9) drive to be rotated by motor (5), and baffle plate (9) can shelter from fan blade (8) from the below of fan blade (8), with prevent fan blade (8) when rotating from it below air draught;
The top of described housing is provided with ventilation hole (4), is used for fan blade (8) and sucks cold wind in this slit when rotating.
2. the cooling body of motor for domestic food processor according to claim 1 is characterized in that the tangential direction setting of described air channel (7) along described inner chamber perisporium.
3. the cooling body of motor for domestic food processor according to claim 1, it is characterized in that described housing comprises base plate (1) and is arranged on block (2) on the base plate (1), described cover body (3) is seated on the described base plate (1), and constitutes the tubbiness inner chamber with base plate (1).
4. the cooling body of motor for domestic food processor according to claim 3, the bottom that it is characterized in that described cover body (3) has to projecting inward flange (10) along the inwall periphery of cover body (3), and described fan blade (8) and baffle plate (9) are positioned at the cavity between this flange (10) and the base plate (1).
5. the cooling body of motor for domestic food processor according to claim 3 is characterized in that described exhaust outlet (6) is arranged on the described base plate (1).
6. the cooling body of motor for domestic food processor according to claim 1 is characterized in that described baffle plate (9) is coniform, and described fan blade (8) is uniform along baffle plate (9) outer peripheral edges.
7. according to the cooling body of the described motor for domestic food processor of the arbitrary claim of claim 1 to 6, it is characterized in that described fan blade (8) is a centrifugation blade.
8. according to the cooling body of the described motor for domestic food processor of the arbitrary claim of claim 1 to 6, it is characterized in that described motor (5) is a series excited machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202497189U CN201576994U (en) | 2009-10-23 | 2009-10-23 | Cooling mechanism of motor for domestic food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202497189U CN201576994U (en) | 2009-10-23 | 2009-10-23 | Cooling mechanism of motor for domestic food processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576994U true CN201576994U (en) | 2010-09-08 |
Family
ID=42696865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202497189U Expired - Lifetime CN201576994U (en) | 2009-10-23 | 2009-10-23 | Cooling mechanism of motor for domestic food processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699724B (en) * | 2009-10-23 | 2012-05-30 | 慈溪市西贝乐电器有限公司 | Cooling mechanism of motor for domestic food processor |
| CN110384421A (en) * | 2018-04-20 | 2019-10-29 | 汉美驰品牌有限公司 | Blender with the baffle for reducing noise |
-
2009
- 2009-10-23 CN CN2009202497189U patent/CN201576994U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699724B (en) * | 2009-10-23 | 2012-05-30 | 慈溪市西贝乐电器有限公司 | Cooling mechanism of motor for domestic food processor |
| CN110384421A (en) * | 2018-04-20 | 2019-10-29 | 汉美驰品牌有限公司 | Blender with the baffle for reducing noise |
| CN110384421B (en) * | 2018-04-20 | 2022-05-17 | 汉美驰品牌有限公司 | Mixer with baffle for noise reduction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100908 Effective date of abandoning: 20091023 |