CN203956880U - Hand held power machine - Google Patents
Hand held power machine Download PDFInfo
- Publication number
- CN203956880U CN203956880U CN201420321585.2U CN201420321585U CN203956880U CN 203956880 U CN203956880 U CN 203956880U CN 201420321585 U CN201420321585 U CN 201420321585U CN 203956880 U CN203956880 U CN 203956880U
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- Prior art keywords
- circuit board
- hand held
- power machine
- power component
- held power
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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 - Lifetime
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- 230000009183 running Effects 0.000 claims abstract description 15
- 230000004308 accommodation Effects 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a kind of hand held power machine, it comprises housing, first circuit board, second circuit board and motor.Housing comprises bottom and grip part, and wherein grip part connects bottom.First circuit board comprises control element, and first circuit board is arranged in bottom.Second circuit board comprises power component, and second circuit board is arranged in grip part, and second circuit board is inserted on first circuit board, and wherein control element is controlled the power output of motor by power component.The utility model is by dividing control element and power component to be located on different circuit boards, avoid the running of the heat effects control element of power component generation, improve the shortcoming that hand held power machine cannot be used for a long time because of power component heating when running.
Description
Technical field
The utility model relates to a kind of hand held power machine, particularly the inner position configuration that can produce the power component of heat energy of hand held power machine.
Background technology
In some construction occasion, or during the furniture in DIY family, electric drill is real for a kind of convenience and can increase the toolroom machine of operating efficiency.And in recent years along with scientific and technological development, small size and lightweight electric drill, also develop out gradually.Yet electric drill is originally as high-power instrument, it is when running, and inner power component easily produces high heat.If it is too approaching that the control element of electric drill inside and the power component that can generate heat are placed, may cause the stability of the heat effects control element of power component generation.
Traditional electric drill concentrates on same region by control element and power component conventionally, so this kind of design do not have help to the heat radiation of power component, if and home-use small-sized electric drill, the inner limited space of small-sized electric drill, more easily causing control element cannot normal operation because be heated.
Utility model content
The purpose of this utility model is providing a kind of hand held power machine, to solve the problem of prior art.
According to an embodiment of the present utility model, a kind of hand held power machine is proposed, it comprises housing, first circuit board, second circuit board and motor.Housing comprises bottom and grip part, and wherein grip part connects bottom.First circuit board comprises control element, and first circuit board is arranged in bottom.Second circuit board comprises power component, and second circuit board is arranged in grip part, and second circuit board is inserted on first circuit board, and wherein control element is controlled the power output of motor by power component.
According to an embodiment of the present utility model, above-mentioned housing also comprises operate portions.Motor is arranged in operate portions, and grip part is connected between operate portions and bottom.The position of the relative motor of operate portions is provided with a plurality of the first louvres, and the position of grip part relative power element is provided with a plurality of the second louvres.
According to an embodiment of the present utility model, during said motor running, can order about air-flow and enter in grip part via above-mentioned the second louvre, and by above-mentioned the first louvre, be flowed out after the power component of flowing through.
According to an embodiment of the present utility model, one end of above-mentioned operate portions has output shaft, and motor orders about output shaft rotation.
According to an embodiment of the present utility model, above-mentioned bottom has the first accommodation space, and first circuit board is arranged in the first accommodation space.Grip part has the second accommodation space, and second circuit board is arranged in the second accommodation space, and wherein the first accommodation space communicates with the second accommodation space.
According to an embodiment of the present utility model, above-mentioned first circuit board has the opening running through, and one end of second circuit board is spacing in opening.
According to an embodiment of the present utility model, above-mentioned second circuit board is fixedly connected with first circuit board by welding.
According to an embodiment of the present utility model, hand held power machine also comprises battery, and battery be arranged on bottom one side, to provide electrical power to control element and power component.
In sum, hand held power machine of the present utility model has the following advantages:
1. by control element and power component are divided and be located on different circuit boards, avoid the running of the heat effects control element of power component generation, improve the shortcoming that hand held power machine cannot be used for a long time because of power component heating when running.
2. the first circuit board in above-mentioned one or more embodiment and second circuit board can be fixedly connected by the mode of welding, can increase the shock resistance of first circuit board and second circuit board joint.
3. by the design of the first louvre and the second louvre, outside air-flow can be entered in hand held power machine via louvre, and the power component of flowing through, the temperature while working to reduce power component.
Accompanying drawing explanation
For allowing the utility model and advantage thereof become apparent, appended the description of the drawings is with reference to as follows:
Fig. 1 is the stereogram of the hand held power machine of an embodiment of the utility model.
Fig. 2 is the grip part of an embodiment of the utility model and the partial enlarged drawing of bottom.
Fig. 3 is the first circuit board of an embodiment of the utility model and the explosive view of second circuit board.
Fig. 4 is the constitutional diagram of Fig. 3.
Fig. 5 is the rearview of Fig. 4.
Fig. 6 is the stereogram of the hand held power machine of another embodiment of the utility model.
The specific embodiment
Below will disclose a plurality of embodiment of the present utility model with accompanying drawing, as clearly stated, many concrete details will be explained in the following description.Yet, should be appreciated that, these concrete details do not apply to limit the utility model.That is to say, in part embodiment of the present utility model, these concrete details are non-essential.In addition,, for the purpose of simplifying accompanying drawing, some known habitual structures and element represent the mode simply to illustrate in the accompanying drawings.
Following embodiment of the present utility model discloses the specific position configuration of the inner power component that can generate heat of a kind of toolroom machine, and the heat that power component is produced can not have influence on other electronic components of toolroom machine inside.More specifically, following examples can be utilized the intrinsic space of toolroom machine inside, and power component is independent from the position of other elements, and to avoid the heat effects that power component produces to arrive other electronic components, but the utility model is not as limit.The passive device that the following embodiment of every application will generate heat is independent in other elements, is all applicable to the utility model.
It should be noted that, the toolroom machine of following embodiment be take Electric drill-bit as example, but the utility model is not as limit.Every intrinsic space that utilizes machine intimate, by the independent design of power component, all belongs to the utility model category required for protection.
First, please refer to Fig. 1, it is according to the stereogram of the hand held power machine of an embodiment of the present utility model.As shown in Figure 1, hand held power machine 10 can be a kind of Electric drill-bit, but the utility model is not as limit.Hand held power machine 10 includes housing 99.Housing 99 can include operate portions 100, grip part 120 and bottom 140.Grip part 120 can be connected between bottom 140 and operate portions 100, is used for taking and holding for user.
In the present embodiment, hand held power machine 10 can also comprise first circuit board 141, second circuit board 121 and motor 101.Motor 101 can be established within including operate portions 100, and one end of operate portions 100 can have output shaft 102, and motor 101 can rotate by driver output axle 102.
Please continue to refer to Fig. 1, first circuit board 141 can be arranged in bottom 140.Second circuit board 121 can be arranged in grip part 120, wherein on first circuit board 141, includes control element 142, includes power component 122 on second circuit board 121, and control element 142 can be controlled by power 122 power output of motor 101.
In one embodiment, hand held power machine 10 can also comprise battery 150.Battery 150 can be arranged on the one side of bottom 140.As shown in Figure 1, battery 150 can be arranged on 140 bottom surfaces, bottom.Also, bottom 140 can be between battery 150 and grip part 120.Battery 150 can be rechargeable battery, and it can charge repeatedly, and when hand held power machine 10 running, provides electrical power to control element 142 and power component 122.
In a specific embodiment, control element 142 can be microprocessor (Micro processor), logic circuit, complicated programmable logic device (Complex Programmable Logic Device, CPLD) etc., but not as limit.Power component 122 can be switch, such as field-effect transistor, metal oxide semiconductcor field effect electric crystal, bipolar transistor, insulated gate bipolar transistor or SPM etc., but not as limit.Power component 122 can bearing great current, to offer the required electric power of motor 101, makes control element 142 by power component 122, to control the power output of motors 101, make motor 101 can order about output shaft 102 and rotate.
As shown in Figure 1, control element 142 and power component 122 are independent of respectively in the middle of the interior different space of hand held power machine 10, to avoid both to interact, though wherein Fig. 1 expresses control element 142, but in part embodiment, control element 142 and power component 122 can lay respectively at the different both sides (as shown in Figure 4) of first circuit board 141, to increase the distance of control element 142 and power component 122.More specifically, please refer to Fig. 2, it is the partial enlarged drawing of grip part 120 with the bottom 140 of an embodiment of the utility model.For making to be more convenient for understanding, Fig. 2 omits the partial shell that represents bottom 140, and exposes the first circuit board 141 of inner part.
As shown in Figure 2, in the present embodiment, bottom 140 can have the first accommodation space S1, and first circuit board 141 can be arranged in the first accommodation space S1.Grip part 120 can have the second accommodation space S2, and second circuit board 121 can be arranged in the second accommodation space S2.Please also refer to Fig. 1 and Fig. 2, wherein the first accommodation space S1 can communicate with the second accommodation space S2, and second circuit board 121 can be plugged on first circuit board 141, and makes to be electrically connected between first circuit board 141 and second circuit board 121.In addition,, by respectively first circuit board 141 and second circuit board being located in different spaces for 121 minutes, make heat energy that the power component 122 on first circuit board 141 produces can not have influence on second circuit board 121 control element 142 runnings.
It is worth mentioning that, please refer to Fig. 2, in part embodiment, on second circuit board 121, can also be provided with a plurality of fin 131.Those fin 131 can be attached on power component 122, and are attached to second circuit board 121 back to the surface of power component 122 simultaneously, the temperature while working to reduce power component 122.
Then, please and with reference to figure 3, Fig. 4 and Fig. 5, wherein Fig. 3 is the first circuit board of an embodiment of the utility model and the explosive view of second circuit board, the constitutional diagram that Fig. 4 is Fig. 3, the rearview that Fig. 5 is Fig. 4.As shown in the figure, have a plurality of openings 143,144,145 that run through on first circuit board 141, those openings 143,144,145 are along direction D arranged in sequence, and its split shed 145 represents in Fig. 5.One end of second circuit board 121 has two recesses 123,124.These two recesses 123,124 make one end of second circuit board 121 form three limited sections 125,126,127, and wherein recess 123 is between limited section 125,126, and recess 124 is between limited section 126,127.When second circuit board 121 will plug on first circuit board 141 time, opening 143,144,145 is aimed at respectively in limited section 125,126,127, makes one end of second circuit board 121 spacing by 143,144,145 of openings.
In a specific embodiment, if hand held power machine 10 is Electric drill-bit, when second circuit board 121 plugs to first circuit board 141, second circuit board 121 can be fixedly connected with first circuit board 141 by welding, and first circuit board 141 and second circuit board 121 are electrical connected.Thus, when if first circuit board 141 is arranged in the environment of high vibrations with second circuit board 121, the place that first circuit board 141 is connected with second circuit board 121 not can because of vibrations relation and accidental can increase the shock resistance between first circuit board 141 and second circuit board 121 by welding manner.
Then, please refer to Fig. 5.In the present embodiment, control element 142 can be arranged on the back side of first circuit board 141.Control element 142 can be microprocessor, and it can accept the instruction that user transmits, and the running of motor 101 is controlled in the instruction transmitting according to user by power component 122 (as power component).
More specifically, please also refer to Fig. 1 and Fig. 2, in embodiment in Fig. 2, on first circuit board 141, can there are a plurality of buttons 146, those buttons 146 can represent respectively different instructions, when user presses those buttons 146, control element 142 can receive this and connect the instruction that button 146 represents respectively.In a specific embodiment, the button 146 on first circuit board 141 can be some additional functions of hand held power machine 10 conventionally, such as illumination or the adjustment of pattern etc.
In addition, the embodiment of Fig. 1 of take is example, and the grip part 120 of hand held power machine 10 can also comprise arm-tie switch 128, when degree that arm-tie switch 128 is pressed is different, control element 142 on first circuit board 141 can receive respectively different instructions, is used for adjusting output shaft 102 rotating speeds or torsion.
Then, please refer to Fig. 6, it is the stereogram of the hand held power machine of another embodiment of the utility model.As shown in the figure, the present embodiment is from the different of embodiment of Fig. 1, and the position of the operate portions 100 relative motors 101 of the present embodiment is provided with a plurality of the first louvres 110, and the position of grip part 120 relative power elements 122 is provided with a plurality of the second louvres 130.Furthermore, the position of the surface of position of the first louvre 110 in operate portions 100 to motor 101, and be preferably fan 103 places in the face of motor 101.130 of the second louvres on grip part 120 are faced power component 122.Thus, when motor 101 running, the fan 103 of motor 101 can produce suction to the air of 120 outsides, grip part, makes outside air-flow P can enter via the second louvre 130 the second accommodation space S2 of 120 inside, grip part the power component 122 of flowing through on second circuit board 121.Then, air-flow P can be flowed out by the first louvre 110.Thus, the hand held power machine 10 of the present embodiment can improve by the setting of louvre 110 and the second louvre 130, power component 122 is dispelled the heat, and the temperature while working to reduce power component 122.
In sum, the power component of the utility model above-described embodiment is separately positioned in the inner different position of hand held power machine from control element, with avoid power component in work state time, the heat energy that power component produces affects the running of control element, can improve the shortcoming that hand held power machine cannot be used for a long time because power component is overheated when running.
Although the utility model with embodiment openly as above; so it is not in order to limit the utility model; any those skilled in the art; within not departing from spirit and scope of the present utility model; can do various selection and change, therefore protection domain of the present utility model should be limited with claims and equivalents thereof.
Claims (8)
1. a hand held power machine, is characterized in that, described hand held power machine comprises:
Housing, it comprises:
Bottom; And
Grip part, it connects described bottom;
First circuit board, it comprises control element, and described first circuit board is arranged in described bottom;
Second circuit board, it comprises power component, and described second circuit board is arranged in described grip part, and described second circuit board is inserted on described first circuit board; And
Motor, described control element is controlled the power output of described motor by described power component.
2. hand held power machine as claimed in claim 1, it is characterized in that, described housing also comprises operate portions, described motor is arranged in described operate portions, described grip part is connected between described operate portions and described bottom, the position of the relatively described motor of described operate portions is provided with a plurality of the first louvres, and the position of the relatively described power component in described grip part is provided with a plurality of the second louvres.
3. hand held power machine as claimed in claim 2, is characterized in that, during described motor running, orders about air-flow and enters in described grip part via described a plurality of the second louvres, and by described a plurality of the first louvres, flowed out after the described power component of flowing through.
4. hand held power machine as claimed in claim 2, is characterized in that, one end of described operate portions has output shaft, and described motor orders about described output shaft rotation.
5. hand held power machine as claimed in claim 1, it is characterized in that, described bottom has the first accommodation space, described first circuit board is arranged in described the first accommodation space, described grip part has the second accommodation space, described second circuit board is arranged in described the second accommodation space, and described the first accommodation space communicates with described the second accommodation space.
6. hand held power machine as claimed in claim 1, is characterized in that, described first circuit board has the opening running through, and one end of described second circuit board is spacing in described opening.
7. hand held power machine as claimed in claim 6, is characterized in that, described second circuit board is fixedly connected with described first circuit board by welding.
8. hand held power machine as claimed in claim 1, is characterized in that, described hand held power machine also comprises battery, and described battery is arranged on the one side of described bottom, provides electrical power to described control element and described power component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321585.2U CN203956880U (en) | 2014-06-17 | 2014-06-17 | Hand held power machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321585.2U CN203956880U (en) | 2014-06-17 | 2014-06-17 | Hand held power machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956880U true CN203956880U (en) | 2014-11-26 |
Family
ID=51917515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420321585.2U Expired - Lifetime CN203956880U (en) | 2014-06-17 | 2014-06-17 | Hand held power machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203956880U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018053729A1 (en) * | 2016-09-21 | 2018-03-29 | Tti (Macao Commercial Offshore) Limited | Improved heat sink and heat dissipation structure |
| CN109108913A (en) * | 2017-06-22 | 2019-01-01 | 罗伯特·博世有限公司 | Hand held power machine |
| CN111788709A (en) * | 2018-02-20 | 2020-10-16 | 保时捷股份公司 | Mechanical and thermal system for a modular battery with power electronics |
| US10950074B2 (en) | 2017-08-07 | 2021-03-16 | Milwaukee Electric Tool Corporation | Power tool with irreversably lockable compartment |
| US11212909B2 (en) | 2019-11-21 | 2021-12-28 | Milwaukee Electric Tool Corporation | Insertable wireless communication device for a power tool |
| US11260514B2 (en) | 2017-11-29 | 2022-03-01 | Milwaukee Electric Tool Corporation | Externally attachable tracking module for a power tool |
| US11665519B2 (en) | 2019-02-06 | 2023-05-30 | Milwaukee Electric Tool Corporation | Power tool with shared terminal block |
-
2014
- 2014-06-17 CN CN201420321585.2U patent/CN203956880U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI724213B (en) * | 2016-09-21 | 2021-04-11 | 澳門商創科（澳門離岸商業服務）有限公司 | Improved heat sink and heat dissipation structure |
| WO2018053729A1 (en) * | 2016-09-21 | 2018-03-29 | Tti (Macao Commercial Offshore) Limited | Improved heat sink and heat dissipation structure |
| CN109108913A (en) * | 2017-06-22 | 2019-01-01 | 罗伯特·博世有限公司 | Hand held power machine |
| CN109108913B (en) * | 2017-06-22 | 2024-01-02 | 罗伯特·博世有限公司 | Hand-held power tool |
| US11869288B2 (en) | 2017-08-07 | 2024-01-09 | Milwaukee Electric Tool Corporation | Power tool with compartment for receiving another device |
| US10950074B2 (en) | 2017-08-07 | 2021-03-16 | Milwaukee Electric Tool Corporation | Power tool with irreversably lockable compartment |
| US11260514B2 (en) | 2017-11-29 | 2022-03-01 | Milwaukee Electric Tool Corporation | Externally attachable tracking module for a power tool |
| CN111788709B (en) * | 2018-02-20 | 2023-08-18 | 保时捷股份公司 | Battery machine and thermodynamic system, manufacturing method, battery module and modularized battery |
| CN111788709A (en) * | 2018-02-20 | 2020-10-16 | 保时捷股份公司 | Mechanical and thermal system for a modular battery with power electronics |
| US11665519B2 (en) | 2019-02-06 | 2023-05-30 | Milwaukee Electric Tool Corporation | Power tool with shared terminal block |
| US11963079B2 (en) | 2019-02-06 | 2024-04-16 | Milwaukee Electric Tool Corporation | Power tool with shared terminal block |
| US11212909B2 (en) | 2019-11-21 | 2021-12-28 | Milwaukee Electric Tool Corporation | Insertable wireless communication device for a power tool |
| US11375610B2 (en) | 2019-11-21 | 2022-06-28 | Milwaukee Electric Tool Corporation | Insertable wireless communication device for a power tool |
| US11570888B2 (en) | 2019-11-21 | 2023-01-31 | Milwaukee Electric Tool Corporation | Insertable wireless communication device for a power tool |
| US11871509B2 (en) | 2019-11-21 | 2024-01-09 | Milwaukee Electric Tool Corporation | Insertable wireless communication device for a power tool |
| US12133324B2 (en) | 2019-11-21 | 2024-10-29 | Milwaukee Electric Tool Corporation | Insertable wireless communication device for a power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180809 Address after: The British Virgin Islands of Tortola Patentee after: Wei Xun Technology Co.,Ltd. Address before: 2 floor, 24-2 East Industrial Road, Hsinchu Science Park. Patentee before: MYSON CENTURY, INC. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190326 Address after: Grand Cayman, Cayman Islands Patentee after: Silicon Integration Holding Co.,Ltd. Address before: The British Virgin Islands of Tortola Patentee before: Wei Xun Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190416 Address after: California, USA Patentee after: Integrated Silicon Solution, Inc. Address before: Grand Cayman, Cayman Islands Patentee before: Silicon Integration Holding Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |