CN205184697U - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN205184697U CN205184697U CN201520812462.3U CN201520812462U CN205184697U CN 205184697 U CN205184697 U CN 205184697U CN 201520812462 U CN201520812462 U CN 201520812462U CN 205184697 U CN205184697 U CN 205184697U
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- air vent
- electric tool
- power brick
- air
- battery compartment
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Abstract
The utility model provides an electric tool, the busbar current isolation and acquisition system comprises a battery pack, electric tool has the battery compartment, the battery package is installed in the battery compartment, one of battery package is provided with first ventilation hole on the surface, just first ventilation hole intercommunication the battery compartment, just first ventilation hole and external environment condition intercommunication to strengthen electric tool and in the course of the work to the heat dissipation of battery package, guarantee that electric tool normally works, protect the battery package, prolong the life of battery package.
Description
Technical field
The utility model relates to power tool equipment field, particularly relates to a kind of electric tool.
Background technology
At present, cordless power tool provides the energy by the power brick in it, and the cooling of power brick only relies on the heat radiation of oneself, and the heat radiation time is longer.Along with electric tool market is to the powerful requirement of high-performance, the operating current of electric tool increases further, and power brick temperature also raises further thereupon.If only rely on the oneself of power brick to dispel the heat can not meet the user demand of user; this will cause electric tool, and power brick temperature is too high in the course of the work; the heat-sinking capability of power brick is poor; so that power brick overheat protector; electric tool cisco unity malfunction, and the life-span decline that power brick can be accelerated.
Utility model content
Based on this, the electric tool being necessary, dispel the heat poor problem too high for the power brick temperature in existing cordless power tool, providing a kind of power brick can be made to dispel the heat in time, reduce power brick temperature, ensure power brick service life, can normally work.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of electric tool, comprise power brick, described electric tool has battery compartment, and described power brick is arranged in described battery compartment;
One of described power brick is provided with the first air vent on the surface, and described first air vent is communicated with described battery compartment, and described first air vent is communicated with external environment condition.
Wherein in an embodiment, another that described power brick is oppositely arranged with a described surface is also provided with the second air vent on the surface, and described second air vent is communicated with described first air vent.
Wherein in an embodiment, in described power brick, described battery compartment is exposed on the surface at described first air vent place.
Wherein in an embodiment, described electric tool also comprises fuselage, and described battery compartment is arranged on described fuselage, described battery compartment is provided with the 3rd air vent, described 3rd air vent is communicated with described second air vent, and described 3rd air vent is communicated with the inside of described battery compartment and described fuselage.
Wherein in an embodiment, the distance between described second air vent and described 3rd air vent is less than the distance between described second air vent and described first air vent.
Wherein in an embodiment, the position of described second air vent is corresponding with the position of described 3rd air vent at least partly.
Wherein in an embodiment, the area of described first air vent accounts for 20% ~ 80% of a surface area of described power brick;
The area of described second air vent accounts for 20% ~ 80% of another surface area of described power brick;
The area of described 3rd air vent accounts for 20% ~ 80% of the surface area of described battery compartment.
Wherein in an embodiment, the cross sectional shape of described first air vent, described second air vent and described 3rd air vent is square, circular, oval or rhombus.
Wherein in an embodiment, the inwall of described battery compartment is arranged at intervals with projection, the end of described projection contacts with the surface of described power brick.
Wherein in an embodiment, described electric tool is electric drill, blower, hair-dryer, electric saw or hay mover.
Wherein in an embodiment, described electric tool is hair-dryer, and the fuselage of described hair-dryer has air intake and outlet air end, and described air intake is communicated with described outlet air end;
Described 3rd air vent is communicated with described battery compartment and described air intake, and described first air vent is communicated with described second air vent, and described second air vent is communicated with described 3rd air vent.
The beneficial effects of the utility model are:
Electric tool of the present utility model, structural design advantages of simple, one of power brick arranges the first air vent on the surface, the inner space of the first air vent and power brick, and the first air vent is communicated with inner chamber and the external environment condition of power brick, during such electric tool work, power brick can produce heat, and the heat in the inner chamber of power brick enters into external environment condition by the first air vent, and the air in external environment condition also enters into the inner chamber of power brick by the first air vent.By the first air vent and the second air vent, air is flowed in the inner chamber and external environment condition of power brick to realize cooling; cold air enters another from one end and brings out; take away the heat of power brick inside; to strengthen electric tool in the course of the work to the heat radiation of power brick; ensure that electric tool normally works; protection power brick, extends the service life of power brick.
Accompanying drawing explanation
Fig. 1 is the partial view of the electric tool of the utility model one embodiment;
Fig. 2 for the electric tool shown in Fig. 1 be the sectional view of hair-dryer;
Wherein:
100-electric tool;
110-fuselage; 111-air intake; 112-outlet air end; 113-the 3rd air vent;
120-power brick; 121-first air vent; 122-second air vent;
130-Blowing drum.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, by the following examples, and by reference to the accompanying drawings, electric tool of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1, electric tool of the present utility model comprises fuselage 110 and power brick 120, and fuselage 110 has battery compartment, and power brick 120 is arranged in battery compartment, by power brick 120 for electric tool provides power, ensures that electric tool can normally work.One surperficial B of power brick is provided with the first air vent 121, first air vent 121 is communicated with the inner chamber of power brick 120, first air vent 121 is also communicated with external environment condition, namely the inner chamber of power brick 120 is communicated with external environment condition by the first air vent 121, and such air can be circulated between the inner chamber and external environment condition of power brick 120 by the first air vent 121.Power brick 120 operationally can produce more heat, and heat can be exchanged with the air in external environment condition by the first air vent 121, accelerates the heat radiation of power brick 120.
Along with electric tool market is to the powerful requirement of high-performance, the operating current of electric tool increases further, and power brick temperature also raises further thereupon.If only rely on the oneself of power brick to dispel the heat can not meet the user demand of user; this will cause electric tool, and power brick temperature is too high in the course of the work; the heat-sinking capability of power brick is poor; so that power brick overheat protector; electric tool cisco unity malfunction, and the life-span decline that power brick can be accelerated.In the power brick 120 of electric tool of the present utility model one arranges the first air vent 121 on the surface, first air vent 121 is communicated with inner chamber and the external environment condition of power brick 120, during such electric tool work, power brick 120 can produce heat, heat in the inner chamber of power brick 120 enters into external environment condition by the first air vent 121, and the air in external environment condition also enters into the inner chamber of power brick 120 by the first air vent 121.First air vent 121 makes air flow to realize the cooling to power brick 120 in the inner chamber and external environment condition of power brick 120; to strengthen electric tool in the course of the work to the heat radiation of power brick 120; ensure that electric tool normally works; protection power brick 120, extends the service life of power brick 120.
As a kind of embodiment, another surface C that surperficial B is oppositely arranged with in power brick 120 is provided with the second air vent 122, second air vent 122 and is communicated with the first air vent 121.Second air vent 122 is by being connected with the first air vent 121 external environment condition, air can be flowed in the inner chamber and external environment condition of battery compartment, power brick 120 by the first air vent 121 and the second air vent 122, by the first air vent 121 and the second air vent 122, air is flowed in the inner chamber and external environment condition of power brick 120 to realize cooling, cold air enters another from one end and brings out, and takes away the heat of power brick 120 inside.During electric tool work, power brick 120 can produce heat, and heat is present in the inner chamber of battery compartment and power brick 120, and heat is exchanged with the air in external environment condition by the first air vent 121, second air vent 122, reaches the object of cool batteries bag 120.Further, in power brick 120, battery compartment is exposed on the surface at the first air vent 121 place.Battery compartment can be arranged in fuselage 110, and fuselage 110 is provided with air communication channel, power brick 120 produce heat and external environment condition in air exchanged by air communication channel.Certainly, in the present embodiment, the marginal position that battery compartment is arranged on fuselage 110 is arranged in battery compartment to make power brick 120, and the surface energy at the first air vent 121 place exposes battery compartment, saves the distance of air circulation like this, accelerates the heat radiation of power brick 120.
Again further, battery compartment is provided with the inside that the 3rd air vent the 113, three air vent 113 is communicated with battery compartment and fuselage 110, meanwhile, there is gap between each parts in fuselage 110, be convenient to air circulation.3rd air vent 113 is communicated with the second air vent 122, first air vent 121, and air can be flowed in the inner chamber and external environment condition of the inside of fuselage 110, battery compartment, power brick 120 by the first air vent 121, second air vent 122 and the 3rd air vent 113.
Be provided with fan in electric tool, when power brick 120 works, fan is along with electric machine rotation.The rotation of fan can be accelerated heat and flowed in the inside and outside environment of battery compartment, fuselage by the first air vent 121, second air vent 122 and the 3rd air vent 113, accelerates the heat radiation of power brick.Electric tool operationally, power brick 120 can produce a large amount of heats, heat is flowed in battery compartment and fuselage 110 by the 3rd air vent 113, and wind energy during electric tool work is enough is communicated with external environment condition by the first air vent 121, second air vent 122, heat is discharged electric tool, to ensure that power brick 120 can be dispelled the heat in time, electric tool normally can be worked, ensure the service life of power brick 120.
The top of power brick 120 is designated as with one of power brick 120 surperficial B, accordingly, another surface C relative with the surface one of power brick 120 is designated as the bottom of power brick 120, first air vent 121 is arranged on the surperficial B at the top of power brick 120, second air vent 122 is arranged in the surface C of the bottom of power brick 120, and the 3rd air vent 113 is arranged in the surface A of the fuselage 110 relative with bottom power brick 120.Electric tool operationally, wind energy is enough to be flowed between the inside and external environment condition of battery compartment, fuselage 110 by the 3rd air vent 113, second air vent 122 and the first air vent 121, power brick 120 produce heat and external environment condition in air exchange, final discharge electric tool, can ensure that power brick 120 is dispelled the heat in the course of the work in time, prevent the temperature of power brick 120 too high, reach the object of cool batteries bag 120.Four-headed arrow shown in Fig. 1, represents that air circulates in the inside of fuselage 110, battery compartment and external environment condition.
Further, the distance between the second air vent 122 and the 3rd air vent 113 is less than the distance between the second air vent 122 and the first air vent 121.Meanwhile, there is predeterminable range between the surface C at the second air vent 122 place and the surface A at the 3rd air vent 113 place, and predeterminable range is 0.5mm ~ 5mm.Namely there is distance between corresponding with the exposing surface of power brick 120 surface C and the surface A of battery compartment, gas channel can be formed like this between power brick 120 and battery compartment, the heat being convenient to produce when power brick 120 works flows in this gas channel, and flowed in the inside and external environment condition of battery compartment, fuselage 110 by the 3rd air vent 113, accelerate the cooling heat dissipation of power brick 120.Again further, the position of at least part of second air vent 122 is corresponding with the position of the 3rd air vent 113, and the heat be convenient to like this in battery compartment is flowed by the second air vent 122 and the 3rd air vent 113, is convenient to air and moves with heat, reduces resistance.
As a kind of embodiment, the quantity of the quantity of the 3rd air vent 113, the quantity of the first air vent 121 and the second air vent 122 is at least two.The heat radiation of power brick 120 when at least two the 3rd air vents 113, at least two the first air vents 121 and at least two the second air vents 122 can ensure that electric tool works, improves the rate of heat dispation of power brick 120.Preferably, the quantity of the 3rd air vent 113 is consistent with the quantity of the second air vent 122, can ensure that heat makes heat rest in battery compartment by there being fuselage 110 block heat after the second air vent 122 like this, can ensure that heat is directly circulated at the stream between the inside and external environment condition of battery compartment, fuselage by the first air vent 121, second air vent 122 and the 3rd air vent 113 like this, ensure the radiating effect of power brick 120.Further, the area of all 3rd air vents 113 accounts for 20% ~ 80% of the surface A area of battery compartment, and the area of all second air vents 122 accounts for 20% ~ 80% of another surface area of power brick 120; The area of all first air vents 121 accounts for 20% ~ 80% of the surface area of battery compartment 120, ensures the ventilation effect of fuselage 110, ensures that power brick 120 operationally can be dispelled the heat in time, is convenient to the cooling of power brick 120.Again further, the cross sectional shape of the 3rd air vent 113, first air vent 121 and the second air vent 122 is square, circular, oval or rhombus etc. can be convenient to the shape of air current flow, as long as the cross sectional shape of the 3rd air vent 113, first air vent 121 and the second air vent 122 can be convenient to air current flow, just user demand of the present utility model can be met.
As a kind of embodiment, the inwall of battery compartment is arranged at intervals with projection, protruding end contacts with the surface of power brick 120.Projection can support power brick 120, makes to form gas channel between spaced projection, and air by flowing between the 3rd air vent 113, first air vent 121, second air vent 122 and gas channel, can accelerate the heat radiation of power brick 120.
As a kind of embodiment, electric tool is the cordless power tools such as electric drill, blower, hair-dryer, electric saw or hay mover.Power brick 120 can be dismantled from electric tool easily, when the electricity in power brick 120 is too low, can change power brick 120, to ensure that electric tool can normally work.
Concrete, see Fig. 2, the electric tool of the utility model one embodiment is hair-dryer, and the fuselage 110 of hair-dryer has air intake 111 and outlet air end 112, and air intake 111 is communicated with outlet air end 112.Electric tool is when drying, and wind flows into from air intake 111 and flows out from outlet air end 112.Further, in air intake 111 and outlet air end 112, be provided with cell structure, prevent air from entering into electric tool with foreign matter.Electric tool is when drying, and wind enters electric tool from air intake 111 and the first air vent 121; Air in first air vent 121 enters into outlet air end 112 through the second air vent 122 and the 3rd air vent 113 again through power brick 120 and battery compartment; Wind in air intake 111 directly flow in outlet air end 112, exports electric tool again after the two mixing by Blowing drum 130, and the direction of arrow shown in Fig. 2 is the direction of electric tool wind flow when drying.
The 3rd air vent 113 in one surface A of the battery compartment in the fuselage 110 of hair-dryer is communicated with battery compartment and air intake 111, first air vent 121 is communicated with the 3rd air vent 113 by the second air vent 122, and the first air vent 121 is communicated with external environment condition.Hair-dryer 100 operationally, power brick 120 can produce a large amount of heats, heat flow in air intake 111 by the 3rd air vent 113, and heat is discharged hair-dryer 100 from outlet air end 112 by air when being worked by hair-dryer 100, to ensure that power brick 120 can be dispelled the heat in time, hair-dryer 100 normally can be worked, ensure the service life of power brick 120.Hair-dryer 100 operationally, air can in air intake 111, outlet air end 112, flowing between the 3rd air vent 113, first air vent 121 and the second air vent 122, the heat that power brick 120 produces is just along with air flows together, final discharge hair-dryer 100, can ensure that power brick 120 is dispelled the heat in the course of the work in time, prevent the temperature of power brick 120 too high, reach the object of cool batteries bag 120.
In an embodiment of the present utility model, hair-dryer 100 also comprises Blowing drum 130, and assembling is in fuselage 110, and Blowing drum 130 is arranged on outlet air end 112.Driven by motor fan produces wind, and Blowing drum 130 is arranged on the outlet air end 112 of fuselage 110, and Blowing drum 130 exports for the wind produced by fan, and Blowing drum 130 aims at the place needing blowing in use.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (11)
1. an electric tool, is characterized in that, comprises power brick, and described electric tool has battery compartment, and described power brick is arranged in described battery compartment;
One of described power brick is provided with the first air vent on the surface, and described first air vent is communicated with described battery compartment, and described first air vent is communicated with external environment condition.
2. electric tool according to claim 1, is characterized in that, another that described power brick is oppositely arranged with a described surface is also provided with the second air vent on the surface, and described second air vent is communicated with described first air vent.
3. electric tool according to claim 2, is characterized in that, in described power brick, described battery compartment is exposed on the surface at described first air vent place.
4. electric tool according to claim 3, it is characterized in that, described electric tool also comprises fuselage, described battery compartment is arranged on described fuselage, described battery compartment is provided with the 3rd air vent, described 3rd air vent is communicated with described second air vent, and described 3rd air vent is communicated with the inside of described battery compartment and described fuselage.
5. electric tool according to claim 4, is characterized in that, the distance between described second air vent and described 3rd air vent is less than the distance between described second air vent and described first air vent.
6. electric tool according to claim 4, is characterized in that, the position of described second air vent is corresponding with the position of described 3rd air vent at least partly.
7. electric tool according to claim 4, is characterized in that, the area of described first air vent accounts for 20% ~ 80% of a surface area of described power brick;
The area of described second air vent accounts for 20% ~ 80% of another surface area of described power brick;
The area of described 3rd air vent accounts for 20% ~ 80% of the surface area of described battery compartment.
8. the electric tool according to any one of claim 4 to 7, is characterized in that, the cross sectional shape of described first air vent, described second air vent and described 3rd air vent is square, circular, oval or rhombus.
9. the electric tool according to any one of claim 4 to 7, is characterized in that, the inwall of described battery compartment is arranged at intervals with projection, and the end of described projection contacts with the surface of described power brick.
10. the electric tool according to any one of claim 4 to 7, is characterized in that, described electric tool is electric drill, blower, hair-dryer, electric saw or hay mover.
11. electric tools according to claim 10, is characterized in that, described electric tool is hair-dryer, and the fuselage of described hair-dryer has air intake and outlet air end, and described air intake is communicated with described outlet air end;
Described 3rd air vent is communicated with described battery compartment and described air intake, and described first air vent is communicated with described second air vent, and described second air vent is communicated with described 3rd air vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812462.3U CN205184697U (en) | 2015-10-19 | 2015-10-19 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812462.3U CN205184697U (en) | 2015-10-19 | 2015-10-19 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205184697U true CN205184697U (en) | 2016-04-27 |
Family
ID=55777727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520812462.3U Active CN205184697U (en) | 2015-10-19 | 2015-10-19 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205184697U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724115A (en) * | 2017-04-19 | 2018-11-02 | 株式会社牧田 | Electrical equipment |
| CN113000928A (en) * | 2021-03-12 | 2021-06-22 | 格力博(江苏)股份有限公司 | Cutting tool |
| WO2022252423A1 (en) * | 2021-06-02 | 2022-12-08 | 锐奇控股股份有限公司 | Handheld electric tool |
-
2015
- 2015-10-19 CN CN201520812462.3U patent/CN205184697U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724115A (en) * | 2017-04-19 | 2018-11-02 | 株式会社牧田 | Electrical equipment |
| CN113000928A (en) * | 2021-03-12 | 2021-06-22 | 格力博(江苏)股份有限公司 | Cutting tool |
| WO2022252423A1 (en) * | 2021-06-02 | 2022-12-08 | 锐奇控股股份有限公司 | Handheld electric tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |