CN204441129U - Motor switch - Google Patents
Motor switch Download PDFInfo
- Publication number
- CN204441129U CN204441129U CN201520054100.2U CN201520054100U CN204441129U CN 204441129 U CN204441129 U CN 204441129U CN 201520054100 U CN201520054100 U CN 201520054100U CN 204441129 U CN204441129 U CN 204441129U
- Authority
- CN
- China
- Prior art keywords
- housing
- trigger member
- induction pieces
- motor switch
- poke rod
- Prior art date
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/90—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
Abstract
The utility model provides a kind of motor switch, comprising: the first housing, and the outer surface of the first housing offers stirs groove; When poke rod is struck to when stirring the first end of groove, the corresponding induction pieces of the first trigger member of poke rod, induction pieces is responded to the first trigger member and is exported high level or low level; When poke rod is struck to when stirring the second end of groove, the corresponding induction pieces of second trigger member of poke rod, induction pieces responds to the second trigger member, export the contrary low level of the level that exports when responding to the first trigger member with induction pieces or high level, induction pieces and the first contact and the second contact are non-contact inductive.This induction pieces is connected with the controller of motor, controller receives high level or the low level of induction pieces output, judge that switch is in forward or reverse state according to the high level received and low level, corresponding control power tool forward or reverse, this motor switch is non-contact switch.
Description
Technical field
The utility model relates to a kind of switching device, and feature relates to a kind of motor switch.
Background technology
Switch many employings current collector of existing electric tool switches with the forward and backward realizing power tool that contacts of fixed touch plate, fixed touch plate comprises forward contact and reverse contact, the movable contact be directly connected with the reversing bar of power tool by contacting with forward fixed touch plate or reverse fixed touch plate, thus exports corresponding forward signal or reverse signal.On the one hand, because contact and the long-term contact of contact and friction bring loss, the impact of in addition severe vibrations, require high to the selection of contact and contact, processing technology, add switch cost.On the other hand, long-term contact, friction, vibrations also can worn contact and contacts, greatly increase the contact internal resistance between them, even directly throw off, therefore, cannot export reliable and stable rotating signal.
Utility model content
Based on this, be necessary for the problems referred to above, provide a kind of cost low and the motor switch of signal stabilization.A kind of motor switch, comprising:
First housing, the outer surface of the first housing offers stirs groove;
Poke rod, is located at slidably and stirs in groove, and one end of poke rod is positioned at the first housing, and the other end of poke rod protrudes from the outer surface of the first housing;
Motor switch also comprises the first trigger member, the second trigger member and induction pieces, and the first trigger member and the second trigger member lay respectively at the both sides that poke rod is positioned at one end of the first housing, and induction pieces to be located in the first housing and to be fixed relative to the first housing;
Stir groove and comprise first end and the second end, when poke rod is struck to first end, the corresponding induction pieces of the first trigger member of poke rod, induction pieces is responded to the first trigger member and is exported high level or low level; When poke rod is struck to the second end, the corresponding induction pieces of second trigger member of poke rod, induction pieces responds to the second trigger member, export the contrary low level of the level that exports when responding to the first trigger member with induction pieces or high level, induction pieces and the first contact and the second contact are non-contact inductive.
Wherein in an execution mode, induction pieces is Hall element, and the first trigger member is the N pole of magnet towards one end of induction pieces, and the second trigger member is the S pole of magnet towards one end of induction pieces.
Wherein in an execution mode, motor switch also comprises control circuit, and control circuit comprises speed-regulating control circuit, and the output of speed-regulating control circuit is connected with controller, speed-regulating control circuit comprises the first resistance and slide rheostat, and the first resistance is connected with slide rheostat.
Wherein in an execution mode, control circuit also comprises rotating commutation circuit, and the output of rotating commutation circuit is connected with controller, and rotating commutation circuit comprises Hall element.
Wherein in an execution mode, motor switch also comprises elastic component, and elastic component is movably connected with slide rheostat, presses elastic component under external force, makes elastic component be connected the resistance regulating slide rheostat with slide rheostat.
Wherein in an execution mode, the first housing also comprises press section, and elastic component is positioned at the cavity of press section, and press section is positioned at the side of the first housing, is provided with sliding tray in the first housing, and under external force, press section presses elastic component along sliding tray.
Wherein in an execution mode, motor switch also comprises the second housing, and the second housing is provided with the first groove and coordinates with the press section of the first housing.
Wherein in an execution mode, the outer surface of first housing at place, press section is also provided with holder, and the second housing is also provided with the second groove, and the second groove of the second housing coordinates with the holder of the first housing and is arranged on the first housing by the second housing.
Wherein in an execution mode, the first housing is closure casing, and control circuit is enclosed in the first housing.
Wherein in an execution mode, the first hull outside is also provided with binding post.
The induction pieces of above-mentioned motor switch and the first trigger member or the second trigger member are contactless, poke rod is when stirring first end or second end of groove, corresponding first trigger member or the second tactile correspondence are fixed on the induction pieces in the first housing, induction pieces is responded to the first trigger member or the second trigger member and is exported high level or low level, controller controls the forward or reverse of power tool accordingly according to the high level received or low level, because induction pieces and the first trigger member or the second trigger member are non-contact inductive, thus avoid the loss problem that traditional motor switch use contact and contact pad bring, reduce the cost of motor switch.
Accompanying drawing explanation
Fig. 1 is a kind of structure chart of motor switch of execution mode;
Fig. 2 is the structure chart of the motor switch of another kind of execution mode;
Fig. 3 is the operating diagram that poke rod is in the first service position;
Fig. 4 is the operating diagram that poke rod is in the second service position;
Fig. 5 is a kind of circuit theory diagrams of motor switch of execution mode;
Fig. 6 is a kind of stroke of elastic component of execution mode and the value relatable schematic diagram of slide rheostat.
Embodiment
In order to make the technical solution of the utility model and advantage clearly understand, below in conjunction with drawings and Examples, the 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.
As shown in Figure 1, a kind of motor switch, comprises the first housing 10, poke rod 102, first trigger member, the second trigger member and induction pieces.The outer surface of the first housing 10 offers stirs groove 101.
Poke rod 102 is located at slidably and is stirred in groove 101, and one end of poke rod 102 is positioned at the first housing 10, and the other end of poke rod 102 protrudes from the outer surface of the first housing 10.Operator regulates poke rod 102 in the position of stirring groove 101 by stirring poke rod 102.
First trigger member and the second trigger member lay respectively at the both sides that poke rod 102 is positioned at one end of the first housing 10, and induction pieces is located in the first housing 10, and relative first housing 10 is fixed.Stir groove 101 and comprise first end 103 and the second end 104, poke rod 102 has the first service position and the second service position.Particularly, when poke rod 102 is struck to when stirring the first end 103 of groove 101, poke rod 102 is on the first service position, the corresponding induction pieces of first trigger member of poke rod 102, induction pieces is responded to the first trigger member and is exported high level or low level, thus controls the motor forward or reverse of power tool; When poke rod 102 is struck to when stirring the second end 104 of groove 101, poke rod 102 is on the second service position, the corresponding induction pieces of second trigger member of poke rod 102, induction pieces responds to the second trigger member output low level or high level, induction pieces responds to level and induction pieces that the first trigger member exports, and to respond to the level that the second trigger member exports contrary, thus the motor of control power tool reverses or rotating forward.
This induction pieces is connected with the controller of motor, and controller receives high level or the low level of induction pieces output, judges that switch is in forward or reverse state according to the high level received and low level, corresponding control power tool forward or reverse.
The induction pieces of above-mentioned motor switch and the first trigger member or the second trigger member are non-contact inductive, poke rod is when stirring first end or second end of groove, corresponding first trigger member or the second tactile correspondence are fixed on the induction pieces in the first housing, induction pieces is responded to the first trigger member or the second trigger member and is exported high level or low level, controller controls the forward or reverse of power tool accordingly according to the high level received or low level, because induction pieces and the first trigger member or the second trigger member are non-contact inductive, thus avoid the loss problem that traditional motor switch use contact and contact pad bring, reduce the cost of motor switch.
In another embodiment, induction pieces is Hall element, first trigger member and the second trigger member are respectively the contrary the two poles of the earth of magnetic pole towards one end of induction pieces, namely the first trigger member is the N pole of magnet towards one end of induction pieces, second trigger member is the S pole of magnet towards one end of induction pieces, or the first trigger member is the S pole of magnet towards one end of induction pieces, the second trigger member is the N pole of magnet towards one end of induction pieces.
As shown in Figure 3, when poke rod 102 is struck to when stirring the first end 103 of groove 101, the first trigger member is near Hall element, and the first trigger member is the N pole of magnet towards one end of induction pieces, and Hall element senses the change in magnetic field, exports high level.As shown in Figure 4, when poke rod 102 is struck to when stirring the second end 104 of groove 101, the second trigger member is near Hall element, and the second trigger member is the S pole of magnet towards one end of induction pieces, and Hall element senses the change in magnetic field, output low level.
By using Hall element as induction pieces, use magnet as the first trigger member and the second trigger member, first trigger member and the second trigger member are the two poles of the earth that magnet is contrary towards one end of induction pieces, Hall element is made to respond to the change of magnetic pole and export different high level signals or low level signal, the high level signal that controller exports according to the Hall element that receives or low level signal judge that poke rod is in forward or reverse and controls the forward or reverse of power tool, thus realize the rotating switching of power tool.Meanwhile, the high level exported due to Hall element or low level signal are digital signal, and this signal can directly detected by controller, and signal stabilization, antijamming capability is strong.
As shown in Figure 5, motor switch also comprises control circuit, and control circuit comprises rotating commutation circuit 30, and the output of rotating commutation circuit 30 is connected with the controller of power tool, and rotating commutation circuit comprises aforementioned Hall element.As depicted in figs. 1 and 2, motor switch also has binding post 109, the output of rotating commutation circuit 30 is connected with controller by binding post 109, controller receives high level or the low level of Hall element output, judge that switch is in forward or reverse state according to the high level received and low level, corresponding control power tool forward or reverse.
The control circuit of motor switch also comprises speed-regulating control circuit 40, the output of speed-regulating control circuit 40 is connected with controller by the binding post 109 of motor switch, speed-regulating control circuit 40 comprises the first resistance R1 and slide rheostat R2, first resistance R1 connects with slide rheostat R2, controller is according to the resistance of slide rheostat R2 and the first resistance R1, obtain the electric current of speed-regulating control circuit, and regulate the rotating speed of motor according to the output current of speed-regulating control circuit.
Motor switch also comprises elastic component 42, and elastic component 42 is movably connected with slide rheostat R2, presses elastic component 42 under external force, makes elastic component be connected with slide rheostat R2 the resistance regulating slide rheostat.
Concrete, regulated the resistance of slide rheostat R2 by elastic component 42, elastic component 42 disconnects with slide rheostat R2 in an initial condition, presses this elastic component 42 under external force.As shown in Figure 6, for the stroke of elastic component and the value relatable schematic diagram of slide rheostat, elastic component shift motion interval 1.6 ± 0.2 ~ 2.8 ± 0.2mm is the pre-bright stroke of signal lamp, namely, when elastic component moves 1.6 ± 0.2 ~ 2.8 ± 0.2mm, the signal lamp of rotational speed regulation is opened.When elastic component continues mobile under external force, elastic component moves to slide rheostat, and contacts with the slide of slide rheostat, by the mobile resistance adjusting part slide rheostat of elastic component.When elastic component moves 2.8 ± 0.2mm, elastic component contacts with slide rheostat, start to regulate mobile rheostatic resistance, along with the increase of elastic component shift motion, the resistance of slide rheostat increases, as the movement 6.8 ± 0.3mm of elastic component, the resistance of slide rheostat is maximum, and the shift motion of elastic component is maximum reaches 8.0 ± 0.2mm.Regulate the resistance of slide rheostat by elastic component, thus regulate size of current and realize regulating the rotating speed of power tool.Above-mentioned motor switch, the rotating that can not only realize power tool switches, and can also realize the rotational speed regulation of electric tool.
As shown in Figure 1, first housing also comprises press section 105, press section 105 is cavity body structure, elastic component 105 is positioned at the cavity of press section 105, press section 105 is positioned at the side of the first housing 10 and protrudes from the outer surface of the first housing 10, sliding tray is provided with in first housing, under external force, press section 105 is along sliding tray pressing elastic component, elastic component is moved, and contact with the slide of slide rheostat, when the slide of elastic component and slide rheostat contacts with each other, operator can apply different pressure according to different needs to press section, with the resistance of the decrement thus adjustment slide rheostat that change elastic component, when pressure is released, press section resets under the effect of elastic component.Wherein, the stroke of elastic component is relevant with the decrement of elastic component, and the decrement of elastic component and the resistance of slide rheostat are predetermined proportionate relationship.
Above-mentioned motor switch, pressing elastic component by arranging press section 105 at the outer surface of the first housing 10, regulating electric tool rotating speed by the resistance of the stroke adjustment slide rheostat of adjustable elastic part, easy to operate.
In another embodiment, as shown in Figure 2, motor switch also comprises the second housing 20, second housing 20 and is provided with the first groove and coordinates with the press section 105 of the first housing, thus realizes pressing elastic component by pressing second housing 20.As shown in Figure 2, the second housing is arcuate structure away from one end of the first housing, meets ergonomics, convenient operation person manual manipulation.
Further, the outer surface of the first housing 10 is also provided with holder 106, there is the second groove coordinated with this holder 106 one end that second housing 20 contacts with the first housing 10, is arranged on the first housing 10 by the second housing 20 by holder 106 with coordinating of the second groove.First housing 10 and the second housing 20 are the detachable structure coordinating installation, are convenient for changing and clear up the device in the first housing 10.
First housing 10 is closure casing, and induction pieces, trigger member and elastic component and control circuit are enclosed in the first housing 10, thus avoids device to be subject to the interference of dust and foreign matter.
Motor switch also has binding post 109, and binding post 109 is positioned at outside the first housing 10, is connected with controller and power supply for being connected by the control circuit in the first housing.
The above embodiment only have expressed several execution mode 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 range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a motor switch, is characterized in that, comprising:
First housing, the outer surface of described first housing offers stirs groove;
Poke rod, stirs described in being located at slidably in groove, and one end of described poke rod is positioned at the first housing, and the other end of described poke rod protrudes from the outer surface of described first housing;
Described motor switch also comprises the first trigger member, the second trigger member and induction pieces, described first trigger member and the second trigger member lay respectively at the both sides that poke rod is positioned at one end of described first housing, and described induction pieces to be located in the first housing and to be fixed relative to the first housing;
Described groove of stirring comprises first end and the second end, when poke rod is struck to first end, and the corresponding described induction pieces of the first trigger member of described poke rod, described induction pieces is responded to the first trigger member and is exported high level or low level; When poke rod is struck to the second end, the corresponding described induction pieces of second trigger member of described poke rod, described induction pieces responds to the second trigger member, export the contrary low level of the level that exports when responding to the first trigger member with described induction pieces or high level, described induction pieces and the first contact and the second contact are non-contact inductive.
2. motor switch according to claim 1, is characterized in that, described induction pieces is Hall element, and described first trigger member is the N pole of magnet towards one end of described induction pieces, and described second trigger member is the S pole of magnet towards one end of described induction pieces.
3. motor switch according to claim 2, it is characterized in that, described motor switch also comprises control circuit, described control circuit comprises speed-regulating control circuit, the output of described speed-regulating control circuit is connected with controller, described speed-regulating control circuit comprises the first resistance and slide rheostat, and described first resistance is connected with described slide rheostat.
4. motor switch according to claim 3, is characterized in that, described control circuit also comprises rotating commutation circuit, and the output of described rotating commutation circuit is connected with controller, and described rotating commutation circuit comprises described Hall element.
5. motor switch according to claim 3, it is characterized in that, described motor switch also comprises elastic component, described elastic component is movably connected with described slide rheostat, press described elastic component under external force, make described elastic component be connected the resistance regulating described slide rheostat with slide rheostat.
6. motor switch according to claim 5, it is characterized in that, described first housing also comprises press section, described elastic component is positioned at the cavity of described press section, described press section is positioned at the side of described first housing, be provided with sliding tray in described first housing, under external force, described press section presses described elastic component along described sliding tray.
7. motor switch according to claim 6, is characterized in that, described motor switch also comprises the second housing, and described second housing is provided with the first groove and coordinates with the press section of described first housing.
8. motor switch according to claim 7, it is characterized in that, the outer surface of first housing at place, described press section is also provided with holder, described second housing is also provided with the second groove, and the second groove of described second housing coordinates with the holder of described first housing and is arranged on the first housing by described second housing.
9. motor switch according to claim 6, is characterized in that, described first housing is closure casing, and described control circuit is enclosed in described first housing.
10. motor switch according to claim 9, is characterized in that, described first hull outside is also provided with binding post.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054100.2U CN204441129U (en) | 2015-01-26 | 2015-01-26 | Motor switch |
| PCT/CN2016/072213 WO2016119689A1 (en) | 2015-01-26 | 2016-01-26 | Switch and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054100.2U CN204441129U (en) | 2015-01-26 | 2015-01-26 | Motor switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441129U true CN204441129U (en) | 2015-07-01 |
Family
ID=53608964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520054100.2U Active CN204441129U (en) | 2015-01-26 | 2015-01-26 | Motor switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204441129U (en) |
| WO (1) | WO2016119689A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119689A1 (en) * | 2015-01-26 | 2016-08-04 | 苏州宝时得电动工具有限公司 | Switch and electric tool |
| CN106997821A (en) * | 2016-01-26 | 2017-08-01 | 苏州宝时得电动工具有限公司 | Switch and electric tool |
| CN107226106A (en) * | 2017-06-12 | 2017-10-03 | 中车株洲电力机车有限公司 | Locomotive and its brake monitor |
| CN110840515A (en) * | 2020-01-15 | 2020-02-28 | 上海龙慧医疗科技有限公司 | Drilling and sawing power tool for orthopedic operation |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108574481B (en) * | 2017-03-13 | 2024-03-01 | 泰科电子(上海)有限公司 | Electronic induction switch circuit, electronic induction switch system and power supply circuit |
| TWI737365B (en) * | 2020-06-24 | 2021-08-21 | 百容電子股份有限公司 | Trigger switch |
| TWI726751B (en) * | 2020-06-24 | 2021-05-01 | 百容電子股份有限公司 | Trigger switch |
| CN113640658A (en) * | 2021-07-08 | 2021-11-12 | 深圳拓邦股份有限公司 | Method and device for identifying on-off state of speed regulation switch and electric appliance |
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| CN2163437Y (en) * | 1992-12-28 | 1994-04-27 | 郭永德 | Finger pressure universal speed governing switch |
| JP3730354B2 (en) * | 1996-02-01 | 2006-01-05 | 利康 鈴木 | Non-controllable switching means |
| KR100471026B1 (en) * | 2001-12-11 | 2005-03-08 | 현대자동차주식회사 | Multi switch for automobile |
| CN2572534Y (en) * | 2002-09-19 | 2003-09-10 | 江南机器厂 | Electricity driven vehicle |
| CN2603753Y (en) * | 2003-01-30 | 2004-02-18 | 中山市隆成日用制品有限公司 | Gear-shifting mechanism of electric car |
| CN2824264Y (en) * | 2005-10-26 | 2006-10-04 | 郑建中 | Pressure type speed regulating switch |
| CN202916686U (en) * | 2012-11-20 | 2013-05-01 | 福建浔兴拉链科技股份有限公司 | Control system of chain belt zippering durability testing instrument |
| CN103794397B (en) * | 2014-01-17 | 2015-12-09 | 深圳市博电电子技术有限公司 | Magnetic turn button switching device |
| CN204441129U (en) * | 2015-01-26 | 2015-07-01 | 苏州宝时得电动工具有限公司 | Motor switch |
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2015
- 2015-01-26 CN CN201520054100.2U patent/CN204441129U/en active Active
-
2016
- 2016-01-26 WO PCT/CN2016/072213 patent/WO2016119689A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119689A1 (en) * | 2015-01-26 | 2016-08-04 | 苏州宝时得电动工具有限公司 | Switch and electric tool |
| CN106997821A (en) * | 2016-01-26 | 2017-08-01 | 苏州宝时得电动工具有限公司 | Switch and electric tool |
| CN107226106A (en) * | 2017-06-12 | 2017-10-03 | 中车株洲电力机车有限公司 | Locomotive and its brake monitor |
| CN110840515A (en) * | 2020-01-15 | 2020-02-28 | 上海龙慧医疗科技有限公司 | Drilling and sawing power tool for orthopedic operation |
| CN110840515B (en) * | 2020-01-15 | 2020-04-17 | 上海龙慧医疗科技有限公司 | Drilling and sawing power tool for orthopedic operation |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016119689A1 (en) | 2016-08-04 |
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