CN207534975U - A kind of electric chain saw with radiator structure - Google Patents
A kind of electric chain saw with radiator structure Download PDFInfo
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- CN207534975U CN207534975U CN201721402360.XU CN201721402360U CN207534975U CN 207534975 U CN207534975 U CN 207534975U CN 201721402360 U CN201721402360 U CN 201721402360U CN 207534975 U CN207534975 U CN 207534975U
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- housing
- chain saw
- radiator structure
- electric chain
- saw according
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Abstract
The utility model discloses a kind of electric chain saw with radiator structure, including：Radiating shell at least accommodates a heat generating component in housing, and heat generating component is in direct contact with housing, is light metal alloys material at the housing being at least in direct contact with heat generating component.Through the above way, the housing of the utility model uses light metal alloys, with excellent thermal conductivity, heat generating component is installed on the inner surface of housing, it contacts, heat can be directly conducted by shell inner surface to housing outer surface with housing, then thermal convection current heat transfer is occurred by housing outer surface and outside air, since the contact area of housing and outside air is very big, the static cooling effect of housing is very good；Light metal alloys material has higher intensity compared to plastic material simultaneously.
Description
Technical field
The utility model is related to field of power tools, more particularly to a kind of electric chain saw with radiator structure.
Background technology
Electric chain saw is a kind of tool for chain being driven to be cut using motor, is generally used for cutting timber, can also
For cutting brick, cement etc..Typically the power of electric chain saw can reach 1500W, some powerful products can be with
Reach 2500W.Powerful electric chain saw certainly will use powerful electro-motor, and drive the driving circuit of electro-motor
In plate by electric current also can be bigger, drive circuit board will generate amount of heat, if a large amount of heat dissipates not in time
Into outside air, it can increase the electronic component temperature in drive circuit board, lead to electronic component failure.
Most of electric chain saw products in the market solve to use cooling fan during the heat dissipation problem of drive circuit board
Mode.In general, the surface of drive circuit board can install metal fin, then drive circuit board, motor, fan, while quilt
It is contained in plastic casing, air inlet and air outlet can be set on plastic casing.When chain saw works, motor rotation drives wind
Fan rotation, fan generate high-speed flow, increase the thermal convective efficiency between the metal fin and air on drive circuit board.It is such
Scheme is by following several shortcomings：First, when tool has been cut, after shutdown, fan stops operating, and drive circuit board is not completely quiet
State cooling capacity, temperature decline very slow, the electric efficiency when tool that can influence works again；2nd, drive circuit board is to hold
Enclosure interior is contained in, enclosure interior space is limited, and part is various, the size of the metal fin on drive circuit board,
Shape can be limited by larger, reduce cooling effect；3rd, the parts of enclosure interior are more, arrangement it is compact, while again by
It is limited in the safety size of air inlet and air outlet so that the cooling air channel resistance of pipe system in housing is larger, greatly reduces heat
Convection efficiency.4th, the larger resistance of pipe system of cooling air channel can also reduce the efficiency of fan, virtually also reduce the effect of motor
Rate.
It is constantly promoted with the power of chain saw product, it is necessary to use more effective cooling scheme.By existing technical solution,
For the electric chain saw of more than 2000W power, the cooling fan using bigger is needed, increases the radiating fin sheet body of control circuit board
Product will certainly increase the size of complete machine, substantially reduce the feasibility of technical solution.
Utility model content
The utility model can have mainly solving the technical problems that providing a kind of electric chain saw with radiator structure
Better cooling effect and higher radiating efficiency.
In order to solve the above technical problems, the technical solution that the utility model uses is：It provides a kind of with heat dissipation knot
The electric chain saw of structure, including：Radiating shell at least accommodates a heat generating component in housing, and heat generating component is in direct contact with housing,
It is light metal alloys material at the housing being at least in direct contact with heat generating component.
In one preferred embodiment of the utility model, motor and control circuit board, control circuit board dress are equipped in housing
It assigned in shell inner surface, is in direct contact with housing, and is electrically connected with motor, motor is equipped with fan, and fan outlet is set on
Surface of shell.
In one preferred embodiment of the utility model, around the housing that is contacted with control circuit board, motor and fan goes out
Housing at air port is light metal alloys material, and the housing at remaining position is common plastics material.
In one preferred embodiment of the utility model, all light metal alloys materials of housing.
In one preferred embodiment of the utility model, the fan is centrifugal fan or aerofoil fan.
In one preferred embodiment of the utility model, chain, guide plate and sprocket wheel are further included, chain is assemblied on guide plate,
Power is transferred to chain by motor drive sprocket, sprocket wheel.
In one preferred embodiment of the utility model, one in the inner surface of the housing or outer surface is equipped with one
A or multiple radiating fins.
In one preferred embodiment of the utility model, the housing at radiating fin setting is light metal alloys material.
In one preferred embodiment of the utility model, light metal alloys material is magnesium alloy or aluminium alloy.
In one preferred embodiment of the utility model, radiating shell is formed including at least 2 component assemblings.
The beneficial effects of the utility model are：The housing of the utility model uses light metal alloys, has excellent lead
Hot, heat generating component is installed on the inner surface of housing, is contacted with housing, can directly conduct heat to shell by shell inner surface
External surface, then thermal convection current heat transfer is occurred by housing outer surface and outside air, due to the contact area of housing and outside air
Very big, the static cooling effect of housing is very good；Light metal alloys material has higher strong compared to plastic material simultaneously
Degree.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 is the structure diagram for one preferred embodiment of electric chain saw that the utility model has radiator structure；
Fig. 2 is the structure diagram of a preferred embodiment of the electric chain saw middle casing with radiator structure shown in Fig. 1；
Fig. 3 is the structure diagram of another preferred embodiment of the electric chain saw middle casing with radiator structure shown in Fig. 1；
Fig. 4 is the structure diagram of another preferred embodiment of the electric chain saw middle casing with radiator structure shown in Fig. 1.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained without making creative work belong to
The range of the utility model protection.
The utility model embodiment includes：
A kind of electric chain saw with radiator structure, including：Including at least the radiating shell 1 that 2 component assemblings form, shell
A heat generating component is at least accommodated in body 1, heat generating component is in direct contact with housing 1, the shell being at least in direct contact with heat generating component
It is light metal alloys material at body 1.
The utility model preferably has the electric chain saw of radiator structure, and chain 2, guide plate 3 and sprocket wheel 4, chain 2, which is assemblied in, leads
On plate 3, power is transferred to chain 2 by 5 drive sprocket 4 of motor, sprocket wheel 4, as shown in Figure 1.
Motor 5 and control circuit board 6 are equipped in housing 1, control circuit board 6 is assemblied in 1 inner surface of housing, straight with housing 1
Contact, and be electrically connected with motor 5, motor 5 is equipped with fan 7, and fan outlet is set on 1 surface of housing.In order to ensure to control
The contact with housing 1 of circuit board 6 processed, sets heat-conducting glue between control circuit board and housing.
Wherein, the housing 1 around the housing 1 that is contacted with control circuit board 6, motor 5 and at fan outlet is lightweight
Metal alloy material, the housing at remaining position is common plastics material, as shown in Figure 3.Or as shown in Fig. 2, the housing 1 is whole
For light metal alloys material.
Light metal alloys material is magnesium alloy or aluminium alloy.With good thermal conductivity, while there is lighter weight,
Higher intensity.The control circuit board 6 that drive motor 5 operates accommodates inside housings, and contacted with 1 inner surface of housing, if
Housing 1 only has part to use light metal alloys, then control circuit board 6 can at least be contacted with metal shell.Facilitate and pass heat
It is directed on metal shell 1.
Wherein, the fan 7 is centrifugal fan or aerofoil fan.Motor 5 is also mounted at fan 7 inside housing 1, in chain
When sawing work, fan 7 can also generate high-speed flow, and from the air outlet of surface of shell, one side air-flow can will be in housing
The heat of generation is brought out, on the other hand so that the outside air of housing outer surface flows, and increases changing for housing outer surface
The thermal efficiency.
Light metal alloys material has higher intensity compared to plastic material simultaneously.At work, motor 5 drives tool
Fan rotates, and fan 7 can be discharged the air inside housing 1 by the air outlet on housing, enhance cooling effect.
One in the inner surface of the housing 1 or outer surface is equipped with one or more radiating fins 8,.With increase with
The surface area of air contact, improves heat convection efficiency.Housing at 8 setting of radiating fin is light metal alloys material.Such as
Shown in Fig. 4, one group of radiating fin 8 is equipped in the inner surface and the outer surface of housing 1.
The utility model housing uses light metal alloys, has excellent thermal conductivity, and heat generating component is installed on housing
Inner surface is contacted with housing, can directly conduct heat to housing outer surface by shell inner surface, then by housing outer surface with
Thermal convection current heat transfer, since the contact area of housing and outside air is very big, the static cooling effect of housing occur for outside air
Very good, radiating efficiency is high.Especially suitable for rated power more than 2000W electric chain saw；Light metal alloys material simultaneously
Matter has higher intensity compared to plastic material.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
The equivalent structure or equivalent flow shift made using the utility model description is directly or indirectly used in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of electric chain saw with radiator structure, including：Radiating shell at least accommodates a heat generating component in housing,
It is characterized in that, heat generating component is in direct contact with housing, is light metal alloys at the housing being at least in direct contact with heat generating component
Material.
2. the electric chain saw according to claim 1 with radiator structure, which is characterized in that motor and control are equipped in housing
Circuit board processed, control circuit board are assemblied in shell inner surface, are in direct contact with housing, and are electrically connected with motor, are set on motor
There is fan, fan outlet is set on surface of shell.
3. the electric chain saw according to claim 2 with radiator structure, which is characterized in that contacted with control circuit board
Housing around housing, motor and at fan outlet is light metal alloys material, and the housing at remaining position is common modeling
Expect material.
4. the electric chain saw according to claim 2 with radiator structure, which is characterized in that all lightweights of housing
Metal alloy material.
5. the electric chain saw according to claim 2 with radiator structure, which is characterized in that the fan is centrifugal fan
Or aerofoil fan.
6. the electric chain saw according to claim 2 with radiator structure, which is characterized in that further include chain, guide plate and
Sprocket wheel, chain are assemblied on guide plate, and power is transferred to chain by motor drive sprocket, sprocket wheel.
7. the electric chain saw according to claim 1 with radiator structure, which is characterized in that the inner surface of the housing or
One in outer surface is equipped with one or more radiating fins.
8. the electric chain saw according to claim 7 with radiator structure, which is characterized in that the shell at radiating fin setting
Body is light metal alloys material.
9. the electric chain saw according to claim 1 with radiator structure, which is characterized in that light metal alloys material is
Magnesium alloy or aluminium alloy.
10. the electric chain saw according to claim 1 with radiator structure, which is characterized in that radiating shell includes at least 2
A component assembling forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721402360.XU CN207534975U (en) | 2017-10-27 | 2017-10-27 | A kind of electric chain saw with radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721402360.XU CN207534975U (en) | 2017-10-27 | 2017-10-27 | A kind of electric chain saw with radiator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207534975U true CN207534975U (en) | 2018-06-26 |
Family
ID=62611265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721402360.XU Active CN207534975U (en) | 2017-10-27 | 2017-10-27 | A kind of electric chain saw with radiator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207534975U (en) |
-
2017
- 2017-10-27 CN CN201721402360.XU patent/CN207534975U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.65-1 Xinggang Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Gelibo (Jiangsu) Co., Ltd Address before: 213000 Jiangsu city in Changzhou Province Economic Development Zone Xingang Zhonglou District Tower Road No. 65 Patentee before: CHANGZHOU GLOBE Co.,Ltd. |
|
| CP03 | Change of name, title or address |