CN203098319U - Efficient household ventilating fan with forced ventilation and overall heat dissipation structure for motor - Google Patents

Efficient household ventilating fan with forced ventilation and overall heat dissipation structure for motor Download PDF

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Publication number
CN203098319U
CN203098319U CN 201220692993 CN201220692993U CN203098319U CN 203098319 U CN203098319 U CN 203098319U CN 201220692993 CN201220692993 CN 201220692993 CN 201220692993 U CN201220692993 U CN 201220692993U CN 203098319 U CN203098319 U CN 203098319U
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CN
China
Prior art keywords
motor
ventilating fan
spiral case
ventilation fan
air
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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.)
Expired - Fee Related
Application number
CN 201220692993
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Chinese (zh)
Inventor
王晓岭
童朱珏
方艺
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ZHEJIANG QUALITY INSPECTION SCIENCE RESEARCH INSTITUTE
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ZHEJIANG QUALITY INSPECTION SCIENCE RESEARCH INSTITUTE
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Priority to CN 201220692993 priority Critical patent/CN203098319U/en
Application granted granted Critical
Publication of CN203098319U publication Critical patent/CN203098319U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an efficient household ventilating fan with a forced ventilation and overall heat dissipation structure for a motor. The efficient household ventilating fan comprises the motor, a fan wheel, a volute and a base, the fan wheel and a rotation shaft of the motor are fixed together through the base, and the motor is fixedly connected with the volute and completely placed inside the volute. Airflow generated in operation of the ventilating fan can perform forced ventilation and heat dissipation for a whole motor shell, unsafe factors such as over-high temperature rise caused by poor heat dissipation conditions of a motor in operation of an embedded ventilating fan are effectively eliminated, heat dissipation effects are improved, temperature rise and energy consumption of the motor are reduced, the service life of the motor is prolonged, the efficiency of the whole ventilating fan is improved, and safety of the efficient household ventilating fan is ensured. Moreover, compared with the prior art, the efficient household ventilating fan has the advantages that maintenance is facilitated, and the motor is easily replaced.

Description

The efficient household ventilation fan that has motor forced ventilation integral heat sink structure
Technical field
The utility model relates to a kind of family expenses ventilation fan, especially is installed in the embedded ventilation fan on the furred ceiling.
Background technique
Largely are decided by efficiency of motor and life-span in the efficient of household ventilation fan and working life.What China family and public place used at present the most generally is exactly the built-in home ventilation fan that furred ceiling is installed, and this ventilation fan is installed in the ceiling board crown wall and the interlayer between the furred ceiling of kitchen, toilet usually.Because China's house height, behind the installation furred ceiling, the height in the interlayer is generally very little, and ventilation condition is relatively poor.In addition, in order to prevent that humid air exerts an influence to ventilation fan electrical machine insulation performance in the bathroom, this ventilation fan motor housing all is designed to enclosed construction, motor housing is not opened radiation hole, and motor directly is fixedly mounted on the spiral case, and its upper surface exposes to the open air in the airless interlayer between ceiling board and furred ceiling, the temperature rise of motor windings was often very high when this made the ventilation fan machine operation, thereby cause efficiency of motor to reduce, energy consumption raises, and the phenomenon that motor burns out also appears in long-term work easily.Therefore, low, the life-span weak point of electric machine temperature rise height, efficient is a " common fault of the embedded ventilation fan of this class ".
The deficiencies in the prior art part is: the embedded furred ceiling of selling is in the market installed household ventilation fan, causes the upper surface of motor to expose to the open air in the interlayer between ceiling board and furred ceiling, and the motor lower surface is arranged in the spiral case.Obviously, the motor upper surface outside spiral case can only lean on the natural convection air heat radiation in the interlayer between ceiling board and the furred ceiling, and the air in the interlayer is can not produce obviously flow phenomenon generally speaking.And the lower surface of motor is divided into two kinds of structures in spiral case: a kind of is that the end cap portions branch at motor lower surface place is arranged in the wind wheel, be wrapped on the wind wheel pedestal of motor lower surface and have groove and hole, the air-flow that produces when wind wheel rotates forces heat radiation to motor lower surface and place end cap integral body thereof; Do not have groove and hole on the another kind of structure wind wheel pedestal, the air-flow that enters from air intake plate when wind wheel rotates can't enter the zone between wind wheel and the motor, and motor surface formation air-flow forces and makes the motor surface radiating again.Therefore, the ventilation and heat structural design of existing embedded ventilation fan motor all can not be carried out ventilation and heat to whole motor surface, and radiating effect is undesirable, can not effectively improve electric efficiency, thereby has influenced the raising of overall efficiency.In addition, the long-term weak heat-dissipating of motor makes the motor long-term work under the condition of high temperature, and the aging electrical machinery life that makes that adds the speed motor enameled cable is brief.In addition, when motor damaged, prior art needed complete machine is taken off from furred ceiling, could change, and has brought inconvenience to maintenance.The basic reason that produces this problem is that radiation effect of motor is poor, and a unreasonable very important reason that causes the motor radiating weak effect exactly of structural design.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of efficient household ventilation fan that has the whole forced ventilation radiating structure of motor is provided.
For achieving the above object, technical solution adopted in the utility model is: the household ventilation fan that the utility model has motor forced ventilation integral heat sink structure comprises motor, wind wheel, spiral case and pedestal, the rotating shaft of wind wheel and motor is fixed together by pedestal, and described motor is fixedlyed connected with spiral case and motor places the inside of spiral case fully.
Further, the upper surface of the upper blade retainer ring of the utility model or wind wheel is not less than the upper surface of motor, or the lower surface of the lower blade retainer ring of wind wheel is not less than the lower surface of motor.
Further, motor described in the utility model is fixedlyed connected by support with spiral case.
Further, the utility model also comprises air intake plate, and described air intake plate is installed on the intake grill of spiral case.
Further, the utility model also comprises the air-out interface, and described air-out interface is installed on the exhaust outlet of spiral case.
The motor of household ventilation fan of the present utility model is carried out heat dissipating method is: when machine operation, air-flow is inhaled into the inside of spiral case and all surface of full motor from the intake grill of spiral case; Then, move to the zone between blade and the spiral case under the action of centrifugal force of gas at blade between each surface of blade and motor, air-flow leaves described ventilation fan from the exhaust outlet of spiral case subsequently.
Compared with prior art, the beneficial effects of the utility model are: by the motor integral body of ventilation fan being arranged at fully the inside of spiral case, under driving, the centrifugal force that wind wheel produces forces the whole air motion in motor surface, thereby motor has been realized whole wind cooling temperature lowering, solved problem low owing to the bad utilization efficiency that causes of motor surface radiating, that the life-span is short effectively.And in the prior art, the structure that motor section is placed in the spiral case causes the whole or most surfaces of motor not have the motion of air-flow, make the motor under current affects produce the high heat of high temperature, reduce motor speed and the efficient of ventilation fan is reduced, add the aging of speed motor enameled cable, shorten electrical machinery life.The air-flow that the structural design of the utility model household ventilation fan produces when utilizing motor self work quickens the motor surface radiating, temperature reduces, make the hot resistance of motor windings reduce, improved operating current, rotating speed of motor and efficient have been improved, thereby improve the air quantity and the blast of ventilation fan, realize that the ventilation fan whole work efficiency improves, and reduced machine operation effectively and generated heat the influence in motor utilization efficiency, life-span.The utility model in the working life of having improved overall efficiency, security of products and product effectively, cuts down the consumption of energy simultaneously by the raising of the motor ventilation radiating effect of ventilation fan.The utility model makes the maintenance of ventilation fan and maintenance become convenient and easy, such as when motor damages, only need pull down ventilation front plate, unload wind wheel, unload under electric machine support damaging motor again, promptly replaceable new motor, and do not change again after will the ventilation fan complete machine not taking off from furred ceiling.
Description of drawings
Fig. 1 has the structural representation of the household ventilation fan of motor forced ventilation integral heat sink structure for the utility model;
Fig. 2 is the inside cut-away view of spiral case of the present utility model;
Air-flow when Fig. 3 works for the utility model ventilation fan moves towards schematic representation.
Embodiment
As shown in Figure 1 to Figure 3, the household ventilation fan that the utility model has the whole forced ventilation radiating structure of motor comprises motor 1, wind wheel 2, spiral case 3 and pedestal 10, wind wheel 2 is fixed together by pedestal 10 with the rotating shaft of motor 1, and motor 1 is fixedlyed connected with spiral case 3 and placed the inside of spiral case 3 fully.
Pedestal 10 is the wind wheel pedestal, can be cross, Mi Zixing, " * " shape etc., also directly perforate on pedestal 10 can guarantee to enter zone between motor 1 and the blade smoothly from the air that the intake grill of household ventilation fan is inhaled into like this, forms the air-flow through the motor surface.
In the utility model, if the upper surface of the upper blade retainer ring 9 of wind wheel 2 is arranged on the position of the upper surface that is not less than motor 1, perhaps the lower surface of the lower blade retainer ring 8 of wind wheel 2 is arranged on the position of the lower surface that is not less than motor 1, to make so in the whole cylindrical body that is placed in wind wheel 2 places of motor 1, when wind wheel 2 rotates, guarantee motor 1 around air-flow can both flow rapidly.Like this under the drive of ventilation fan rotating wind wheel 2, not only realized air mobile of the outer air of ventilation fan intake grill and exhaust outlet, and consequent air-flow passes through the whole surface of motor 1 under the drive of the centrifugal force of wind wheel 2, quicken the air ventilation on motor 1 surface, improved radiation effect of motor greatly.
As a kind of easy mounting type of the present utility model, motor 1 can be fixedlyed connected by support 4 with spiral case 3.In addition, can an air intake plate 5 be installed separately at the intake grill place of spiral case 3; At the exhaust outlet place of spiral case 3 an air-out interface 6 is installed separately.
Referring to Fig. 3, the whole forced ventilation heat dissipating method of the motor of the utility model household ventilation fan is: because motor 1 places spiral case 3 inside fully, when motor 1 work, air-flow is inhaled into the inside of spiral case 3 from the intake grill of spiral case 3, and back and can fill all rather than part surface of motor 1 rapidly around on the surface that enters motor 1, make all surface of motor 1 all have the motion of air-flow; Then, the rotating blades of wind wheel 27 produces centrifugal force, make between each surface of blade 7 and motor 1 air-flow centrifugal action under outwards move to zone between blade 7 and the spiral case 3, air-flow leaves ventilation fan from the exhaust outlet of spiral case 3 subsequently.Like this under the drive of ventilation fan rotating wind wheel 2, not only realized air mobile of the outer air of ventilation fan intake grill and exhaust outlet, and consequent air-flow passes through the whole surface of motor 1 under the drive of wind wheel 2 centrifugal force, quicken the air ventilation on motor 1 surface, improved the radiating effect of motor 1 greatly.
In sum, the utility model is guaranteed all surface realization forced ventilation heat radiation of motor from structure, solved effectively that the ventilation fan utilization efficiency that prior art causes owing to the motor surface radiating is bad is low, energy consumption big, poor stability, short problem of life-span, improved ventilation fan efficient, security of products effectively, reduced energy consumption and prolonged working life of product.
Obviously, above-mentioned mode of execution of the present utility model only is for the utility model example clearly is described, and is not to be qualification to mode of execution of the present utility model.For the person of ordinary skill of the art, can also make other multi-form variation and change on the basis of the above description.Here can't give exhaustive to all mode of executions.Conspicuous variation that all genus the technical solution of the utility model are extended out and change still are in the row of protection domain of the present utility model.

Claims (5)

1. efficient household ventilation fan that has motor forced ventilation integral heat sink structure, comprise motor (1), wind wheel (2), spiral case (3) and pedestal (10), the rotating shaft of wind wheel (2) and motor (1) is fixed together by pedestal (10), it is characterized in that: described motor (1) is fixedlyed connected with spiral case (3) and motor (1) places the inside of spiral case (3) fully.
2. the efficient household ventilation fan that has motor forced ventilation integral heat sink structure according to claim 1, it is characterized in that: the upper surface of the upper blade retainer ring (9) of wind wheel (2) is not less than the upper surface of motor (1), and perhaps the lower surface of the lower blade retainer ring (8) of wind wheel (2) is not less than the lower surface of motor (1).
3. the efficient household ventilation fan that has motor forced ventilation integral heat sink structure according to claim 1 and 2 is characterized in that: described motor (1) is fixedlyed connected by support (4) with spiral case (3).
4. the efficient household ventilation fan that has motor forced ventilation integral heat sink structure according to claim 1 and 2 is characterized in that: also comprise air intake plate (5), described air intake plate (5) is installed on the intake grill of spiral case (3).
5. the efficient household ventilation fan that has motor forced ventilation integral heat sink structure according to claim 1 and 2 is characterized in that: also comprise air-out interface (6), described air-out interface (6) is installed on the exhaust outlet of spiral case (3).
CN 201220692993 2012-12-15 2012-12-15 Efficient household ventilating fan with forced ventilation and overall heat dissipation structure for motor Expired - Fee Related CN203098319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220692993 CN203098319U (en) 2012-12-15 2012-12-15 Efficient household ventilating fan with forced ventilation and overall heat dissipation structure for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220692993 CN203098319U (en) 2012-12-15 2012-12-15 Efficient household ventilating fan with forced ventilation and overall heat dissipation structure for motor

Publications (1)

Publication Number Publication Date
CN203098319U true CN203098319U (en) 2013-07-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220692993 Expired - Fee Related CN203098319U (en) 2012-12-15 2012-12-15 Efficient household ventilating fan with forced ventilation and overall heat dissipation structure for motor

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103016373A (en) * 2012-12-15 2013-04-03 浙江省质量检测科学研究院 Efficient household ventilating fan with motor forced ventilation and integral heat dissipation structure
CN105114360A (en) * 2015-09-11 2015-12-02 珠海格力电器股份有限公司 Volute fan mounting structure and assembling method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103016373A (en) * 2012-12-15 2013-04-03 浙江省质量检测科学研究院 Efficient household ventilating fan with motor forced ventilation and integral heat dissipation structure
CN105114360A (en) * 2015-09-11 2015-12-02 珠海格力电器股份有限公司 Volute fan mounting structure and assembling method thereof

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20161215

CF01 Termination of patent right due to non-payment of annual fee