CN210430975U - Lithium battery charger for electric tool - Google Patents
Lithium battery charger for electric tool Download PDFInfo
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- CN210430975U CN210430975U CN201921653874.1U CN201921653874U CN210430975U CN 210430975 U CN210430975 U CN 210430975U CN 201921653874 U CN201921653874 U CN 201921653874U CN 210430975 U CN210430975 U CN 210430975U
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- side wall
- convection holes
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- charger
- lithium battery
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Abstract
The utility model relates to an electric tool lithium battery charger, include the lower cover, install under cover and with lower cover complex upper cover, by the upper cover with the lower cover encloses the accommodating space who establishes the formation, installs public end of charger on the upper cover, establish in the accommodating space and install on cover the control panel module, establish in the accommodating space and fix fin on the control panel module and establish on cover power source, the lower cover bottom is equipped with a plurality of bottom convection holes, on cover the portion and be equipped with a plurality of top convection holes, a plurality of bottom convection holes reach a plurality of top convection holes all with accommodating space intercommunication, a plurality of bottom convection holes a plurality of top convection holes reach accommodating space at least wherein both form the heat extraction passageway, electric tool lithium battery charger's simple structure, Reasonable in design can realize quick heat dissipation and radiating efficiency height.
Description
Technical Field
The utility model relates to a battery charging technology field specifically is an electric tool lithium cell charger.
Background
With the continuous development of new energy science and technology, lithium ion batteries are widely applied to various products at present, and the lithium ion batteries work by moving lithium ions between a positive electrode and a negative electrode. In the process of charging and discharging, lithium ions are inserted and de-inserted between two electrodes in a reciprocating manner, and the lithium ion battery is a representative of modern high-performance batteries, is energy-saving and environment-friendly, and is widely applied.
In the electric tool field, for convenient to use, the electric tool of hand-held type has appeared on the market, but, at present, battery electric power storage capacity in the hand-held type electric tool is not strong, and is large, the weight is heavy, it is handheld inconvenient, and its output is less, it is inconvenient to export, its application range has been restrained, need often charge, it is inconvenient to use, and, current charger structural design is unreasonable, the heat dissipation is not convenient for, not only influence charging efficiency, and shorten the life of battery, serious incident can take place even, the use cost of hand-held type electric tool has also been increased simultaneously.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence on the prior art, the utility model provides a simple structure, reasonable in design can realize quick heat dissipation and the high electric tool lithium cell charger of radiating efficiency.
In order to achieve the above object, the present invention can be realized by the following technical solutions: the utility model provides an electric tool lithium battery charger, includes the lower cover, installs on the lower cover and with lower cover complex upper cover, by the upper cover with the lower cover encloses the accommodating space of establishing the formation, installs public end of charger on the upper cover, establishes in the accommodating space and install control panel module on the upper cover, establish in the accommodating space and fix fin on the control panel module and establish power source on the upper cover, the lower cover bottom surface is equipped with a plurality of bottom convection holes, the upper cover upper portion is equipped with a plurality of top convection holes, a plurality of bottom convection holes reach a plurality of top convection holes all with accommodating space intercommunication, a plurality of bottom convection holes a plurality of top convection holes reach accommodating space wherein both form the heat extraction passageway at least.
Further: the plurality of top convection holes are located on one side close to the public end of the charger in the horizontal direction, the plurality of bottom convection holes are arranged in a matrix mode on the inner side of the bottom wall of the lower cover, and the plurality of bottom convection holes are close to the radiating fin in the vertical direction.
Further: the upper cover comprises a body, a side wall and a partition wall, wherein the side wall extends upwards from the edge of the body, the partition wall is arranged between the body and the side wall, the side wall and the partition wall are surrounded to form a containing cavity with an upper end opening, the side wall is far away from a public end of the charger to form a notch, and the notch is communicated with the containing cavity.
Further: the side wall comprises a first side wall, a second side wall and a third side wall, wherein the second side wall is arranged at an interval with the first side wall, the third side wall is connected with the first side wall and the second side wall, the first side wall, the second side wall and the third side wall are surrounded to form the accommodating cavity, and the plurality of top convection holes are located at the joint of the first side wall and the third side wall and/or at the joint of the second side wall and the third side wall.
Further: the charger male end is located in the containing cavity and is matched and spliced with the charger female end.
Further: the projection of the side wall in the horizontal direction is concave, the side wall comprises an outer side wall, an inner side wall arranged on the inner side of the outer side wall and a gap formed by the outer side wall and the inner side wall in a surrounding mode, and the gap is communicated with the accommodating space.
Further: the side wall further comprises a top wall which is located at the top and connected with the outer side wall and the inner side wall, the plurality of top convection holes penetrate through at least one of the outer side wall, the inner side wall and the top wall, and the plurality of top convection holes are communicated with the gap.
Further: keep away from one side of lateral wall, the body with be formed with the tilt wall between the interval wall, the tilt wall is from outside to inside from the interval wall to the body slope, be equipped with the pilot lamp on the tilt wall just be equipped with the PET panel sticker on the tilt wall, the PET panel sticker covers the pilot lamp.
Further: the lower cover includes the lower casing and encloses the lower accommodation space who establishes the formation by the lower casing, the upper cover include the casing and by the last casing encloses the last accommodation space who establishes the formation, go up accommodation space with accommodation space intercommunication down, the control panel module is located go up in the accommodation space, the fin part is located down in the accommodation space and the part is located go up in the accommodation space, the fin is fixed on the control panel module and lie in on the horizontal direction and be close to one side setting of public end of charger, power source is located on the horizontal direction and is close to one side setting of fin.
Further: the charger male end, the power interface cooling fin and the control panel module are all located between the top convection holes and the bottom convection holes.
Compared with the prior art, the utility model discloses an electric tool lithium battery charger has following advantage at least: the control panel module and the radiating fin of the electric tool lithium battery charger are arranged in the accommodating space, the charger male end and the power interface are arranged on the upper cover, the control panel module, the charger male end and the power interface generate heat during charging, the generated heat is radiated through the radiating fin, a plurality of top convection holes are arranged at the upper part of the upper cover, the plurality of bottom convection holes and the plurality of top convection holes are all communicated with the accommodating space, at least two of the plurality of bottom convection holes, the plurality of top convection holes and the accommodating space form a heat radiation channel, and the convection holes communicated with the outside are arranged at the top and the bottom, so that the electric tool lithium battery charger is simple in structure and reasonable in design; through the top and the bottom set up the convection current hole with accommodating space intercommunication forms the air convection in the upper and lower direction, and then discharges the produced heat of electric tool lithium battery charger during operation rapidly, can realize quick heat dissipation, and the radiating efficiency is high, can not lead to shortening life when untimely because of the inside heat dissipation of accommodating space simultaneously, has prolonged life.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a schematic diagram of a lithium battery charger for an electric tool according to the present invention;
fig. 2 is an exploded view of the lithium battery charger of the electric tool of the present invention;
FIG. 3 is a front view of the lithium battery charger of the electric tool of the present invention;
fig. 4 is a sectional view taken along a-a in fig. 3.
Description of reference numerals: 1. a lower cover; 10. a lower housing; 100. a lower accommodating space; 11. pasting paper on the bottom; 12. a bottom convection hole; 2. an upper cover; 20. an upper housing; 200. an upper receiving space; 21. a first side wall; 22. a second side wall; 23. a third side wall; 24. an accommodating chamber; 25. a notch; 261. an outer sidewall; 262. an inner sidewall; 263. a partition wall; 264. an inclined wall; 265. a gap; 266. a top wall; 267. a top convection hole; 3. pasting a paper on the PET panel; 31. an indicator light; 4. a charger male end; 40. an insulating body; 41. a first terminal; 42. a second terminal; 5. a control panel module; 6. a heat sink; 7. a power interface; 71. and a power supply jack.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 4, it shows the utility model discloses an electric tool lithium battery charger, including lower 1 lid, install on lower cover 1 and with lower cover 1 complex upper cover 2, enclose the accommodating space who establishes the formation by upper cover 2 and lower cover 1, install the public end 4 of charger on upper cover 2, establish in accommodating space and install the control panel module 5 on upper cover 2, establish in accommodating space and fix fin 6 on control panel module 5 and establish power source 7 on upper cover 2, the bottom surface of lower cover 2 is equipped with a plurality of bottom convection holes 12 and establishes the bottom sticker 11 at the diapire, upper cover 2 upper portion is equipped with a plurality of top convection holes 267, a plurality of bottoms convection holes 12 and a plurality of tops all communicate with accommodating space 267, a plurality of bottoms convection holes 12, a plurality of tops convection holes 267 and accommodating space wherein both form the heat extraction passageway at least.
The control panel module 5 and the radiating fin 6 of the electric tool lithium battery charger are arranged in the accommodating space, the charger male end 4 and the power interface 7 are arranged on the upper cover 2, the control panel module 5, the charger male end 4 and the power interface 7 can generate heat when the charger is charged, the generated heat is radiated through the radiating fin 6, meanwhile, a plurality of top convection holes 267 are arranged at the upper part of the upper cover 2, a plurality of bottom convection holes 12 and a plurality of top convection holes 267 are communicated with the accommodating space, at least two of the bottom convection holes 12, the top convection holes 267 and the accommodating space form a heat radiation channel, and the convection holes communicated with the outside are arranged at the top and the bottom, so that the electric tool lithium battery charger is simple in structure; through the convection hole and the accommodating space intercommunication that top and bottom set up, form the air convection in the upper and lower direction, and then discharge the produced heat of electric tool lithium battery charger during operation rapidly, can realize quick heat dissipation, the radiating efficiency is high, can not lead to shortening life when untimely because of the inside heat dissipation of accommodating space simultaneously, has prolonged life.
The side walls include a first side wall 21, a second side wall 22 spaced apart from the first side wall 21, and a third side wall 23 connecting the first side wall 21 and the second side wall 22, the first side wall 21, the second side wall 22, and the third side wall 23 enclose a receiving chamber 24, a plurality of top convection holes 267 are located at the connection of the first side wall 21 and the third side wall 23 and/or a plurality of top convection holes 267 are located at the connection of the second side wall 22 and the third side wall 23, preferably, top convection holes 267 are formed at the connection between the first sidewall 21 and the third sidewall 23 and at the connection between the second sidewall 22 and the third sidewall 23, namely, the top convection holes 267 on both sides are symmetrically arranged, the appearance is beautiful, the structural strength of the electric tool lithium battery charger is not affected, the top convection holes 267 are arranged at the intersection between the side walls, the heat dissipation device has a certain collecting effect on hot air generated by heat, and can better dissipate heat.
The projection of the side wall in the horizontal direction is in a concave shape, the side wall comprises an outer side wall 261, an inner side wall 262 arranged on the inner side of the outer side wall 261 and a gap 265 formed by the outer side wall 261 and the inner side wall 262 in a surrounding mode, and the gap 265 is communicated with the accommodating space. The sidewall further includes a top wall 266 at the top connecting the outer sidewall 261 and the inner sidewall 262, a plurality of top convection holes 267 extending through at least one of the outer sidewall 261, the inner sidewall 262 and the top wall 266 and the plurality of top convection holes 267 communicating with the gap 265. In the present invention, preferably, a plurality of top convection holes 267 extend through the top wall 266 and communicate with the gap 265. The charger is plugged on the charger male end 4, the charger is provided with a charger female end, and the charger male end 4 is positioned in the accommodating cavity to be plugged with the charger female end in a matching way. The clearance 265 space that lateral wall 261 and inside wall 262 enclose to establish is less and with accommodating space intercommunication, and then communicate with fin 6 and bottom convection hole 12, can be after electric tool lithium battery charger produces heat, through the blockking of lateral wall 261 and inside wall 262, make the heat that is in the top enter into clearance 265 rapidly, form certain aggregation effect to the heat, separate charger public end 4 and clearance 265 through inside wall 262 simultaneously, form the insulating layer, certain thermal-insulated effect has.
On the side away from the side wall, an inclined wall 264 is formed between the body and the partition wall 263, the inclined wall 264 is inclined from the outside to the inside from the partition wall 263 to the body, the indicator lamp 31 is provided on the inclined wall 264, the PET panel sticker 3 is provided on the inclined wall 264, and the indicator lamp 31 is covered by the PET panel sticker 3. The inclined wall 264 is provided to facilitate the user to view the display of the indicator lamp 31. When the lithium battery charger of the electric tool is installed or placed, especially on a higher position, the user can observe the state of the indicator lamp 31 by using the arranged inclined surface without changing and performing other operations.
The plurality of bottom convection holes 12 are arranged in a matrix along the inner side of the bottom wall of the lower cover 1, and the plurality of bottom convection holes 12 are adjacent to the heat radiating fins 6 in the vertical direction. The lower cover 1 includes lower casing 10 and encloses the lower accommodation space 100 who establishes the formation by lower casing 10, upper cover 2 includes upper casing 20 and encloses the last accommodation space 200 who establishes the formation by upper casing 20, go up accommodation space 200 and lower accommodation space 100 intercommunication, go up accommodation space 200, lower accommodation space 100 and clearance 265 intercommunication just construct the accommodation space, control panel module 5 is located accommodation space 200, fin 6 part is located accommodation space 100 down and part is located accommodation space 200, fin 6 fixes on control panel module 5 and lies in the one side setting of being close to charger public end 4 on the horizontal direction, power source 7 lies in the one side setting of being close to fin 6 on the horizontal direction. Public end 4 of charger, power source 7, fin 6 and control panel module 5 all are located between a plurality of top convection holes 267 and a plurality of bottom convection holes 12, through the convection hole and the accommodating space intercommunication that top and bottom set up, form the convection current on the upper and lower direction, and then discharge the produced heat rapidly of electric tool lithium battery charger during operation, can realize quick heat extraction, and the radiating efficiency is high.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A kind of electric tool lithium battery charger, characterized by that: including the lower cover, install on the lower cover and with lower cover complex upper cover, by the upper cover with the lower cover encloses to establish the accommodating space of formation, installs charger public end on the upper cover, establish in the accommodating space and install control panel module on the upper cover, establish in the accommodating space and fix fin on the control panel module and establish on the upper cover power source, the lower cover bottom is equipped with a plurality of bottom convection holes, on cover the upper portion and be equipped with a plurality of top convection holes, a plurality of bottom convection holes reach a plurality of top convection holes all with the accommodating space intercommunication, a plurality of bottom convection holes a plurality of top convection holes reach accommodating space is wherein both form the heat extraction passageway at least.
2. A power tool lithium battery charger as defined in claim 1, wherein: the plurality of top convection holes are located on one side close to the public end of the charger in the horizontal direction, the plurality of bottom convection holes are arranged in a matrix mode on the inner side of the bottom wall of the lower cover, and the plurality of bottom convection holes are close to the radiating fin in the vertical direction.
3. A power tool lithium battery charger as defined in claim 1, wherein: the upper cover comprises a body, a side wall and a partition wall, wherein the side wall extends upwards from the edge of the body, the partition wall is arranged between the body and the side wall, the side wall and the partition wall are surrounded to form a containing cavity with an upper end opening, the side wall is far away from a public end of the charger to form a notch, and the notch is communicated with the containing cavity.
4. A power tool lithium battery charger as defined in claim 3, wherein: the side wall comprises a first side wall, a second side wall and a third side wall, wherein the second side wall is arranged at an interval with the first side wall, the third side wall is connected with the first side wall and the second side wall, the first side wall, the second side wall and the third side wall are surrounded to form the accommodating cavity, and the plurality of top convection holes are located at the joint of the first side wall and the third side wall and/or at the joint of the second side wall and the third side wall.
5. A power tool lithium battery charger as defined in claim 4, wherein: the charger male end is located in the containing cavity and is matched and spliced with the charger female end.
6. A power tool lithium battery charger as defined in claim 3, wherein: the projection of the side wall in the horizontal direction is concave, the side wall comprises an outer side wall, an inner side wall arranged on the inner side of the outer side wall and a gap formed by the outer side wall and the inner side wall in a surrounding mode, and the gap is communicated with the accommodating space.
7. A power tool lithium battery charger as defined in claim 6, wherein: the side wall further comprises a top wall which is positioned at the top and connected with the outer side wall and the inner side wall, and the plurality of top convection holes penetrate through at least one of the outer side wall, the inner side wall and the top wall and are communicated with the plurality of top convection holes and the gap.
8. A power tool lithium battery charger as defined in claim 3, wherein: keep away from one side of lateral wall, the body with be formed with the tilt wall between the interval wall, the tilt wall is from outside to inside from the interval wall to the body slope, be equipped with the pilot lamp on the tilt wall just be equipped with the PET panel sticker on the tilt wall, the PET panel sticker covers the pilot lamp.
9. A power tool lithium battery charger as defined in claim 1, wherein: the lower cover includes the lower casing and encloses the lower accommodation space who establishes the formation by the lower casing, the upper cover include the casing and by the last casing encloses the last accommodation space who establishes the formation, go up accommodation space with accommodation space intercommunication down, the control panel module is located go up in the accommodation space, the fin part is located down in the accommodation space and the part is located go up in the accommodation space, the fin is fixed on the control panel module and lie in on the horizontal direction and be close to one side setting of public end of charger, power source is located on the horizontal direction and is close to one side setting of fin.
10. A power tool lithium battery charger as defined in claim 1, wherein: the charger male end, the power interface, the radiating fin and the control panel module are all located between the top convection holes and the bottom convection holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921653874.1U CN210430975U (en) | 2019-09-30 | 2019-09-30 | Lithium battery charger for electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921653874.1U CN210430975U (en) | 2019-09-30 | 2019-09-30 | Lithium battery charger for electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210430975U true CN210430975U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921653874.1U Active CN210430975U (en) | 2019-09-30 | 2019-09-30 | Lithium battery charger for electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210430975U (en) |
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2019
- 2019-09-30 CN CN201921653874.1U patent/CN210430975U/en active Active
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