CN203967884U - A kind of motor heat dissipation cover plate - Google Patents
A kind of motor heat dissipation cover plate Download PDFInfo
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- CN203967884U CN203967884U CN201420378376.1U CN201420378376U CN203967884U CN 203967884 U CN203967884 U CN 203967884U CN 201420378376 U CN201420378376 U CN 201420378376U CN 203967884 U CN203967884 U CN 203967884U
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- cover plate
- motor
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- air
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Abstract
The utility model discloses a kind of motor heat dissipation cover plate, comprise panel and flanging, the inner side on two length of side limits of the upper surface of described panel has respectively been evenly arranged several circular indents along long limit, on panel between the described circular indent of two row, evenly interlaced arrangement has several how much indents, the both sides of described panel are connected with flanging straight down, parallelly with long limit on described flanging are furnished with between two parties a U-shaped groove.Cooling-air is when the gap by between cover plate and element, because the indent of cover plate can make cooling-air form whirlpool in flow process, increase cooling-air at the flowing time of cover plate, and the heat that cover plate can absorb hot-air better dispels the heat to element.
Description
Technical field
The utility model belongs to the thermal component technical field of power part, and a kind of motor heat dissipation cover plate specifically, for improving the radiating efficiency of motor.
Background technology
Motor is a kind of conventional electric rotary machine that electric energy conversion is become to mechanical energy.Lathe, water pump, need motor to drive; Electric locomotive, elevator, need motor traction.Electric fan in family life, refrigerator, washing machine, even various motor toys all be unable to do without motor.Motor has been applied in the various aspects in modern society's life.Motor, in use due to the existence of various losses, constantly raises temperature, for normal use, and cooling being even more important.As cooling in do not carried out it well, can affect useful life of motor.If the heat-sinking capability of motor is poor, can cause motor temperature too high, can affect the useful life of motor, cause the problems such as deadlock, when serious, can threaten operator's life security.
The type of cooling of motor has self cool, certainly fans cooling and force cooling.Self cool, without any servicing unit, relies on the spontaneous mobile cool motors of outside air completely, and radiating efficiency is not high, is applicable to small-sized motor; Cooling from fan is to install fan additional on motor side, artificially accelerates the heat radiation of the flow faster motor of motor surrounding air, and good heat dissipation effect and simple in structure being easy to are realized, and are widely used at present industrial circle; Forcing cooling general to be used in large-size machine, is electric motor temperature reduction by cooling fluid (be generally oily medium, use individually aqueous medium), and radiating efficiency is high but system is comparatively complicated, is generally only applied to high capacity motor.
In industrial electro motivation, certainly fan cooling application comparatively extensive, surrounding air directly enters motor interior and carries out coolingly, and cold air is directly taken away motor heat and is discharged in environment around.Air mainly contains three kinds at the track route of motor interior.A kind of is that axially cold air enters from motor one end, from other one end, discharges.As long as one end can fill larger-diameter fan, just can obtain good cooling effect, core structure is compacter.Shortcoming is that draft loss is larger, along motor reel to temperature distributing disproportionation even, the motor that the capacity that is generally used for is less.Another kind is radially, and cold air enters from motor two ends, from the radial ducts of iron core, discharges.Its shortcoming is because two ends all will fill fan, therefore the external diameter of fan can only be less than the external diameter of rotor, has limited the ability of fan, and need to have radial ventilation groove, makes motor size bigger.Advantage is that drafting efficiency is higher owing to using aerofoil fan, and area of dissipation is larger, along motor reel to temperature more even.Also having a kind of is axial and radial compound ventilation, and its combined axis, to designing with the advantage of radially the two ventilation, have good ventilation cooling effect, and temperature is more even, but structure is more complicated.
At present comparatively conventional is axially cooling from fanning, at the peripheral heat-dissipating cover plate of installing of fan, can effectively to hot-air, carry out cooling, by the dissipation of heat of motor in air.On the body of motor, make axial fin, increase the body of motor and the contact area of air the body of motor can be dispelled the heat to air fully.The heat-dissipating cover plate installing additional outward at motor body can guide the flow direction of fan air on the one hand, can improve the overall radiating efficiency of motor to the hot-air heat radiation of the heat absorption of inflow motor on the other hand.Although the body profile of motor is improved, for heat-dissipating cover plate, not improve, the heat-sinking capability of heat-dissipating cover plate also has further raising space.So the improvement of the shape of carrying out for heat-dissipating cover plate can improve the radiating efficiency of whole motor, improve the service behaviour of motor.
Summary of the invention
The utility model is not enough for prior art, provides a kind of simple in structure, easy to process, the motor heat dissipation cover plate that radiating efficiency is high.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: a kind of motor heat dissipation cover plate, comprise panel and flanging, the inner side on two length of side limits of the upper surface of described panel has respectively been evenly arranged several circular indents along long limit, on panel between the described circular indent of two row, evenly interlaced arrangement has several how much indents, the both sides of described panel are connected with flanging straight down, parallelly with long limit on described flanging are furnished with between two parties a U-shaped groove.Cooling-air is when the gap by between cover plate and element, because the indent of cover plate can make cooling-air form whirlpool in flow process, increase cooling-air at the flowing time of cover plate, and the heat that cover plate can absorb hot-air better dispels the heat to element.
Preferably, described circular indent bottom is plane and to opening, is divergent shape by bottom.By the laminating of circular indent and motor, and be arranged to divergent shape the heat of motor can be conducted to panel fast, and have fast quick heat radiating in the circular indent of divergent shape.
Preferably, described geometry indent is shaped as ellipse or water-drop-shaped or rhombus.
Preferably, the size of described panel and the geometry quantity of indent and the volume size of motor match.
Preferably, described panel end is provided with connecting plate, is provided with and coordinates the through hole of installing with motor on described connecting plate.Connecting plate is set for panel and motor are installed fixing.
The utility model compared with prior art, there is following beneficial effect: the utility model cooling-air is when the gap by between cover plate and element, because the indent of cover plate can make cooling-air form whirlpool in flow process, increase cooling-air at the flowing time of cover plate, and the heat that cover plate can absorb hot-air better dispels the heat to element.
Accompanying drawing explanation
Fig. 1 is structural perspective of the present utility model.
Fig. 2 is scheme of installation of the present utility model.
Fig. 3 is the structure chart that partly cuts open of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail: referring to Fig. 1 to Fig. 3, a kind of motor heat dissipation cover plate, comprise panel 1 and flanging 5, the inner side on two length of side limits of the upper surface of described panel 1 has respectively been evenly arranged several circular indents 4 along long limit, on panel 1 between the described circular indent 4 of two row, evenly interlaced arrangement has several how much indents 3, the both sides of described panel 1 are connected with flanging 5 straight down, parallelly with long limit on described flanging 5 are furnished with between two parties a U-shaped groove 2.Described circular indent 4 bottoms are plane and to opening, are divergent shape by bottom.Described geometry indent 3 be shaped as ellipse or water-drop-shaped or rhombus.The size of described panel 1 and the geometry quantity of indent 3 and the volume size of motor match.Described panel 1 end is provided with connecting plate 6, is provided with and coordinates the through hole 7 of installing with motor on described connecting plate 6.
Motor heat dissipation cover plate of the present utility model is tested, this heat-dissipating cover plate coordinates through hole 7 with installation with the installing hole of motor, select 7 motor that model is identical, select the different heat-dissipating cover plate of quantity of 7 kinds of how much indents 3 to be arranged on respectively the outside of motor, No. 1 motor wherein: in the cooling gap between motor and heat-dissipating cover plate,, without any barrier, the coolant of fan flows through with laminar flow form when flowing through gap; No. 2 motor: the barrier random alignment in cooling gap, density is 9/dm2; No. 3 motor: the barrier random alignment density in cooling gap is 18/dm2; No. 4 motor: the barrier random alignment density in cooling gap is 27/dm2; No. 5 motor: take alternative form arranging density as 9/dm2 between the capable and row of barrier in cooling gap; No. 6 motor: take alternative form arranging density as 18/dm2 between the capable and row of barrier in cooling gap; No. 7 motors: take alternative form arranging density as 27/dm2 between the capable and row of barrier in cooling gap.
Use infrared ray thermal inductance instrument can detect accurately motor body at rated power, the temperature of motor body under rated condition, is placed on infrared ray thermal inductance instrument the position of range motor 1m, body stable temperature while detecting motor work.7 motor are worked under rated condition, within every 5 minutes, record the once temperature of each motor, after work 1h, the organism temperature of seven motor is basicly stable, the stable machine temperature of seven motor of contrast: after No. 1 machine operation 45min, organism temperature larger variation can not occur, basicly stable at 93 ℃ ~ 97 ℃; After No. 2 machine operation 35min can there is not larger variation in organism temperature, basicly stable at 85 ℃ ~ 90 ℃; After No. 3 machine operation 35min can there is not larger variation in organism temperature, basicly stable at 75 ℃ ~ 83 ℃; After No. 4 machine operation 40min can there is not larger variation in organism temperature, basicly stable at 82 ℃ ~ 88 ℃; After No. 5 machine operation 35min can there is not larger variation in organism temperature, basicly stable at 78 ℃ ~ 84 ℃; After No. 6 machine operation 25min can there is not larger variation in organism temperature, basicly stable at 69 ℃ ~ 72 ℃; After No. 7 machine operation 35min can there is not larger variation in organism temperature, basicly stable at 76 ℃ ~ 83 ℃.As can be seen here, be furnished with the radiating effect of heat-dissipating cover plate of barrier apparently higher than common heat-dissipating cover plate, wherein barrier spread pattern is staggered between row and row, the radiating effect of heat-dissipating cover plate that density is 18/dm2 is best, and but random alignment can be improved heat radiation impact effect being staggered not as row and between going.Obstacle density is too small, can not play good flow-disturbing effect, and obstacle density is excessive, can make again the coolant cannot proper flow, causes cooling effect poor.
Claims (5)
1. a motor heat dissipation cover plate, comprise panel (1) and flanging (5), it is characterized in that, the inner side on two length of side limits of the upper surface of described panel (1) has respectively been evenly arranged several circular indents (4) along long limit, the upper even interlaced arrangement of panel (1) between the two described circular indents of row (4) has several how much indents (3), the both sides of described panel (1) are connected with flanging (5) straight down, and described flanging (5) is gone up and the parallel U-shaped groove (2) that is furnished with between two parties in long limit.
2. a kind of motor heat dissipation cover plate as claimed in claim 1, is characterized in that: described circular indent (4) bottom is for plane and to opening, be divergent shape by bottom.
3. a kind of motor heat dissipation cover plate as claimed in claim 1, is characterized in that, described geometry indent (3) be shaped as ellipse or water-drop-shaped or rhombus.
4. a kind of motor heat dissipation cover plate as claimed in claim 1, is characterized in that, the size of described panel (1) and the quantity of how much indents (3) and the volume size of motor match.
5. a kind of motor heat dissipation cover plate as claimed in claim 1, is characterized in that: described panel (1) end is provided with connecting plate (6), is provided with and coordinates the through hole (7) of installing with motor on described connecting plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378376.1U CN203967884U (en) | 2014-07-09 | 2014-07-09 | A kind of motor heat dissipation cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378376.1U CN203967884U (en) | 2014-07-09 | 2014-07-09 | A kind of motor heat dissipation cover plate |
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| Publication Number | Publication Date |
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| CN203967884U true CN203967884U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420378376.1U Active CN203967884U (en) | 2014-07-09 | 2014-07-09 | A kind of motor heat dissipation cover plate |
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| CN (1) | CN203967884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242555A (en) * | 2014-10-14 | 2014-12-24 | 成都育芽科技有限公司 | Heat radiation cover plate |
| WO2022141107A1 (en) * | 2020-12-29 | 2022-07-07 | 华为技术有限公司 | Storage device |
-
2014
- 2014-07-09 CN CN201420378376.1U patent/CN203967884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242555A (en) * | 2014-10-14 | 2014-12-24 | 成都育芽科技有限公司 | Heat radiation cover plate |
| WO2022141107A1 (en) * | 2020-12-29 | 2022-07-07 | 华为技术有限公司 | Storage device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |