CN103474272A - Handheld electric tool touch switch and control method thereof - Google Patents
Handheld electric tool touch switch and control method thereof Download PDFInfo
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- CN103474272A CN103474272A CN2013103990899A CN201310399089A CN103474272A CN 103474272 A CN103474272 A CN 103474272A CN 2013103990899 A CN2013103990899 A CN 2013103990899A CN 201310399089 A CN201310399089 A CN 201310399089A CN 103474272 A CN103474272 A CN 103474272A
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Abstract
The invention discloses a handheld electric tool touch switch and a control method thereof. The handheld electric tool touch switch comprises a switch base arranged in a machine shell of an electric tool, a switch button arranged in the switch base and an auxiliary switch circuit connected with the switch base, wherein the auxiliary switch circuit is provided with a signal input contact and a signal output end, and the switch button is arranged corresponding to the signal input contact in the auxiliary switch circuit to control connection and disconnection of the signal input contact. A control chip and a timer electrically connected with the control chip are disposed in the electric tool, the control chip is provided with a signal access end and a signal lead-out end, the signal access end is electrically connected with the signal output end of the auxiliary switch circuit, the signal lead-out end of the control chip is electrically connected with a drive device of the electric tool, time T is preset on the control chip, if the switch button is pressed twice continuously in the time T, the electric tool works, and if the pressing time of two times exceeds T, the electric tool is not operated and misoperation of operators is avoided.
Description
Technical field
The present invention relates to field of power tools, be specifically related to hand held electric tool touch-switch and control method thereof.
Background technology
Hand held electric tool common on market arranges a button usually on the casing of electric tool, pressing button can make electric tool start working, pressing button makes electric tool quit work again, this electric tool is prone to misoperation, particularly when the operator does not prepare to start electric tool, pressed because of carelessness the button electric tool and started working, like this operator has been caused to huge potential safety hazard.
Summary of the invention
Problem to be solved by this invention is to provide the hand held electric tool touch-switch, need to press within a certain period of time twice and continue to pin just and can make electric tool work, easy to operate, safe, the invention also discloses the control method of hand held electric tool touch-switch.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: the hand held electric tool touch-switch, comprise the switch pedestal in the casing that is located at electric tool, be built in the shift knob in base and be connected to the switch auxiliary circuit on base, described switch auxiliary circuit has signal input contact and signal output part, the connection that described shift knob is corresponding with signal in switch auxiliary circuit input contact arranges control signal input contact whether, be provided with control chip in described electric tool and be electrically connected to timer with control chip, described control chip has the signal incoming end and signal picks out end, described signal incoming end is electrically connected to the signal output part of switch auxiliary circuit, the signal of control chip picks out end and is electrically connected to the drive unit of electric tool.Shift knob is pressed once, the conducting of switch auxiliary circuit, the signal of telecommunication control timer that control chip receives on the switch auxiliary circuit starts timing, shift knob is pressed once again or shift knob is pressed and once continued afterwards to pin not unclamp, if on timer to pressing being recorded in the time default on control chip of interval time for twice, accessory drive operation of control chip, electric tool work, if on timer when pressing the recording t and surpass the time default on control chip of interval time for twice, control chip is controlled the timer reclocking that resets, electric tool is without any operation, the antijamming capability of electric tool significantly strengthens, and effectively prevented the generation of misoperation, safe.
Improved, described switch auxiliary circuit comprises controls power supply, electric capacity and resistance, one end of described resistance is inputted contact and controls that power supply is connected, other end ground connection by signal, described Capacitance parallel connection is on resistance, and described signal output part is located on the circuit between signal input contact and resistance.Control chip judges by the high and low level detection of the signal output part to the switch auxiliary circuit whether shift knob is pressed, and circuit structure is simple.
Improved, position corresponding with shift knob on described casing is provided with opening, and described casing is provided with the flexible glue that opening is covered, and is provided with the spring leaf that keeps the flexible glue outward bulge in described casing.Only need press inward in the flexible glue zone, flexible glue just can make the spring leaf action, make the shift knob action, needn't aim at that point of shift knob and be operated, easy to operate.
Improved, described spring leaf has connecting portion and operate portions, and described connecting portion is fixed on casing, and described operate portions is unsettled and be butted on the inner surface of flexible glue.The operator presses inward in the flexible glue zone, and operate portions presses to shift knob and makes switch opens or closure under the effect of flexible glue, and after the operator unclamps, operate portions resets, and to make the flexible glue outward bulge return original position indeformable.
Improved, described spring leaf also has bend, and described connecting portion and operate portions are positioned at respectively the two ends of bend.For connecting operate portions and connecting portion, make the elasticity of operate portions better.
Improved, the outer surface of described flexible glue is provided with projection.Be convenient to determine the flexible glue zone, and good hand touch.
Improved, described electric tool is the angle grinding machine, fan shroud and the dust ring before and after described angle grinding machine has, arranged, and described switch base is fixed between fan shroud and dust ring.Touch-switch is applied to the angle grinding machine.
Improved, described connecting portion is fixed on the fan shroud of casing.Spring leaf is near the shift knob setting, presses laborsavingly, saves material.
The control method of hand held electric tool touch-switch, described control chip is preset with time T, at T double push switch button continue to pin after pressing shift knob for the second time and do not unclamp in the time, the control chip accessory drive brings into operation and keeps running status, electric tool work, after the trip switch button, electric tool quits work:
1) the Push switch button makes the signal of switch auxiliary circuit input the contact conducting for the first time, the switch auxiliary circuit is connected and is controlled the power generation signal of telecommunication, control chip detects signal output part by the signal incoming end and produces high level, and control chip is controlled timer and started timing;
2) the Push switch button makes the signal of switch auxiliary circuit input contact conducting again again, control chip again detects signal output part and produces high level, now the timing time on timer is t, control chip compares T and t, when t surpasses T, control chip control timer resets and reclocking, electric tool is without any action, when t does not surpass T and continue to pin after pressing shift knob for the second time and do not unclamp, the signal input holding contact conducting state of switch auxiliary circuit, control chip T in the time the double signal output part that detects produce high level and signal output part high level sustainable existence after producing high level for the second time detected, the control chip accessory drive brings into operation and keeps running status, electric tool work, after the trip switch button, control chip detects signal output part and produces low level, the control chip accessory drive is out of service, electric tool quits work.Only at T double push switch button continue to pin after pressing shift knob for the second time and do not unclamp electric tool and just can start working and keep operating state in the time, after the trip switch button, electric tool quits work, the antijamming capability of electric tool significantly strengthens, and has effectively prevented the generation of misoperation.
The control method of hand held electric tool touch-switch, described control chip is preset with time T, at T continuous twice, push switch button in the time, the control chip accessory drive brings into operation and keeps running status, electric tool work, press shift knob No. one time, electric tool quits work again:
1) the Push switch button makes the signal of switch auxiliary circuit input the contact conducting for the first time, the switch auxiliary circuit is connected and is controlled the power generation signal of telecommunication, control chip detects signal output part by the signal incoming end and produces high level, and control chip is controlled timer and started timing;
2) the Push switch button makes the signal of switch auxiliary circuit input contact conducting again again, control chip again detects signal output part and produces high level, now the timing time on timer is t, control chip compares T and t, when t surpasses T, control chip control timer resets and reclocking, electric tool is without any action, when t does not surpass T, control chip T in the time the double signal that detects pick out end and produce high level, the control chip accessory drive brings into operation and keeps running status, electric tool work, after pressing again shift knob, control chip detects signal and picks out end and produce again high level, the control chip accessory drive is out of service, electric tool quits work.Only T in the time double push switch button electric tool just can start working and keep operating state, after pressing again shift knob, electric tool quits work, and the antijamming capability of electric tool significantly strengthens, and has effectively prevented the generation of misoperation.
Beneficial effect:
After adopting technique scheme, this invention hand held electric tool touch-switch and control method thereof, spring leaf and flexible glue are set above shift knob, only need press inward in the flexible glue zone, flexible glue just can press to spring leaf makes the spring leaf strain press to shift knob, shift knob makes its conducting by the input of the signal to switch auxiliary circuit contact, the switch auxiliary circuit is connected and is controlled the power generation signal of telecommunication, control chip detects signal output part by the signal incoming end and produces high level, after the trip switch button, signal output part to be detected be low level to control chip, if control chip T in the time the double signal output part that detects produce high level and signal output part high level sustainable existence after producing high level for the second time detected, the control chip accessory drive brings into operation and keeps running status, electric tool work, after the trip switch button, control chip detects signal output part and produces low level, electric tool quits work, perhaps control chip T in the time the double signal that detects pick out end and produce high level, the control chip accessory drive brings into operation and keeps running status, electric tool work, after pressing again shift knob, control chip detects again signal output part and produces high level, electric tool quits work, the antijamming capability of electric tool significantly strengthens, and effectively prevented the generation of misoperation, safe.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is structural representation of the present invention;
The structural representation that Fig. 2 is the angle grinding machine;
The enlarged drawing that Fig. 3 is A place in Fig. 1.
Embodiment
Embodiment mono-:
As shown in Figure 1 to Figure 3, the hand held electric tool touch-switch, comprise the switch pedestal 1 in the casing that is located at electric tool, be built in the shift knob 2 in base and be connected to the switch auxiliary circuit 3 on base, described switch auxiliary circuit comprises the control power supply, electric capacity 33 and resistance 34, one end of described resistance is inputted contact by signal and is connected with the control power supply, other end ground connection, described Capacitance parallel connection is on resistance, described signal output part is located on the circuit between signal input contact and resistance, described shift knob is corresponding with signal in switch auxiliary circuit input contact arrange input contact with control signal connection whether, the timer 5 that is provided with control chip 4 in described electric tool and is electrically connected to control chip, described control chip has signal incoming end 41 and signal picks out end 42, described signal incoming end is electrically connected to the signal output part of switch auxiliary circuit, the signal output part of control chip is electrically connected to the drive unit of electric tool.
Position corresponding with shift knob on described casing is provided with opening, described casing is provided with the flexible glue 6 that opening is covered, the outer surface of described flexible glue is provided with projection 61, be provided with the spring leaf 7 that keeps the flexible glue outward bulge in described casing, described spring leaf has connecting portion 71, bend 72 and operate portions 73, described connecting portion and operate portions are positioned at respectively the two ends of bend, and described connecting portion is fixed on casing, and described operate portions is unsettled and be butted on the inner surface of flexible glue.
Described electric tool is angle grinding machine 8, fan shroud 81 and the dust ring 82 before and after described angle grinding machine has, arranged, and described switch base is fixed between fan shroud and dust ring, and described connecting portion is fixed on the fan shroud of casing, and the drive unit of described angle grinding machine is motor.
In actual mechanical process, press flexible glue, flexible glue presses to spring leaf makes Spring deformation press to shift knob, and shift knob makes the signal input contacting of switch auxiliary circuit, and the switch auxiliary circuit is connected and controlled the power generation signal of telecommunication.
Embodiment bis-:
The control method of hand held electric tool touch-switch, described control chip 4 is preset with time T, at T double push switch button 2 continue to pin after pressing shift knob for the second time and do not unclamp in the time, the control chip accessory drive brings into operation and keeps running status, electric tool work, after the trip switch button, electric tool quits work: Push switch button 2 makes signal input contact 31 conductings of switch auxiliary circuit 3 for the first time, the switch auxiliary circuit is connected and is controlled the power generation signal of telecommunication, control chip 4 detects signal output part 32 by signal incoming end 41 and produces high level, control chip is controlled timer 5 and is started timing, the Push switch button makes the signal input contact conducting again of switch auxiliary circuit again, control chip again detects signal output part and produces high level, now the timing time on timer is t, control chip compares T and t, when t surpasses T, control chip control timer resets and reclocking, electric tool is without any action, when t does not surpass T and continue to pin after pressing shift knob for the second time and do not unclamp, the signal input holding contact conducting state of switch auxiliary circuit, control chip T in the time the double signal output part that detects produce high level and signal output part high level sustainable existence after producing high level for the second time detected, the control chip accessory drive brings into operation and keeps running status, electric tool work, after the trip switch button, control chip detects signal output part and produces low level, the control chip accessory drive is out of service, electric tool quits work.
As preferably, described time T is made as 1s, in actual mechanical process, if in 1s double press flexible glue and continue to pin after pressing flexible glue for the second time do not unclamp, electric tool work, unclamp flexible glue after electric tool quit work; And length is pressed flexible glue or, by a flexible glue, then over after 1 second, then, by for the second time, all can not make electric tool work, prevented the generation of misoperation.
Embodiment tri-:
The difference of the present embodiment and embodiment bis-is, described control chip 4 is preset with time T, at T continuous push switch button 2 twice in the time, the control chip accessory drive brings into operation and keeps running status, electric tool work, press again shift knob No. one time, electric tool quits work: when t does not surpass T, control chip T in the time the double signal that detects pick out end and produce high level, the control chip accessory drive brings into operation and keeps running status, electric tool work, after pressing again shift knob, control chip detects signal and picks out end and produce again high level, the control chip accessory drive is out of service, electric tool quits work.
As preferably, described time T is made as 1s, in actual mechanical process, if in 1s the double flexible glue of pressing, electric tool work, then quit work by electric tool after flexible glue.
Except above preferred embodiment, the present invention also has other execution mode, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (10)
1. hand held electric tool touch-switch, it is characterized in that: comprise the switch pedestal (1) in the casing that is located at electric tool, be built in the shift knob (2) in base and be connected to the switch auxiliary circuit (3) on base, described switch auxiliary circuit has signal input contact (31) and signal output part (32), described shift knob is corresponding with signal in switch auxiliary circuit input contact arrange input contact with control signal connection whether, the timer (5) that is provided with control chip (4) in described electric tool and is electrically connected to control chip, described control chip has signal incoming end (41) and signal picks out end (42), described signal incoming end is electrically connected to the signal output part of switch auxiliary circuit, the signal of control chip picks out end and is electrically connected to the drive unit of electric tool.
2. hand held electric tool touch-switch according to claim 1, it is characterized in that: described switch auxiliary circuit comprises controls power supply, electric capacity (33) and resistance (34), one end of described resistance is inputted contact and controls that power supply is connected, other end ground connection by signal, described Capacitance parallel connection is on resistance, and described signal output part is located on the circuit between signal input contact and resistance.
3. hand held electric tool touch-switch according to claim 1 and 2, it is characterized in that: position corresponding with shift knob on described casing is provided with opening, described casing is provided with the flexible glue (6) that opening is covered, and is provided with the spring leaf (7) that keeps the flexible glue outward bulge in described casing.
4. hand held electric tool touch-switch according to claim 3, it is characterized in that: described spring leaf has connecting portion (71) and operate portions (72), and described connecting portion is fixed on casing, and described operate portions is unsettled and be butted on the inner surface of flexible glue.
5. hand held electric tool touch-switch according to claim 4, it is characterized in that: described spring leaf also has bend (73), and described connecting portion and operate portions are positioned at respectively the two ends of bend.
6. hand held electric tool touch-switch according to claim 3, it is characterized in that: the outer surface of described flexible glue is provided with projection (61).
7. hand held electric tool touch-switch according to claim 4, it is characterized in that: described electric tool is angle grinding machine (8), fan shroud (81) and the dust ring (82) before and after described angle grinding machine has, arranged, described switch base is fixed between fan shroud and dust ring.
8. hand held electric tool touch-switch according to claim 7, it is characterized in that: described connecting portion is fixed on the fan shroud of casing.
9. according to the control method of the arbitrary described hand held electric tool touch-switch of claim 1-8, it is characterized in that: described control chip (4) is preset with time T, at T double push switch button (2) continue to pin after pressing shift knob for the second time and do not unclamp in the time, the control chip accessory drive brings into operation and keeps running status, electric tool work, after the trip switch button, electric tool quits work:
1) Push switch button (2) makes the signal of switch auxiliary circuit (3) input contact (31) conducting for the first time, the switch auxiliary circuit is connected and is controlled the power generation signal of telecommunication, control chip (4) detects signal output part (32) by signal incoming end (41) and produces high level, and control chip is controlled timer (5) and started timing;
2) the Push switch button makes the signal of switch auxiliary circuit input contact conducting again again, control chip again detects signal output part and produces high level, now the timing time on timer is t, control chip compares T and t, when t surpasses T, control chip control timer resets and reclocking, electric tool is without any action, when t does not surpass T and continue to pin after pressing shift knob for the second time and do not unclamp, the signal input holding contact conducting state of switch auxiliary circuit, control chip T in the time the double signal output part that detects produce high level and signal output part high level sustainable existence after producing high level for the second time detected, the control chip accessory drive brings into operation and keeps running status, electric tool work, after the trip switch button, control chip detects signal output part and produces low level, the control chip accessory drive is out of service, electric tool quits work.
10. according to the control method of the arbitrary described hand held electric tool touch-switch of claim 1-8, it is characterized in that: described control chip (4) is preset with time T, at T continuous push switch button (2) twice in the time, the control chip accessory drive brings into operation and keeps running status, electric tool work, press shift knob No. one time, electric tool quits work again:
1) Push switch button (2) makes the signal of switch auxiliary circuit (3) input contact (31) conducting for the first time, the switch auxiliary circuit is connected and is controlled the power generation signal of telecommunication, control chip (4) detects signal output part (32) by signal incoming end (41) and produces high level, and control chip is controlled timer (5) and started timing;
2) the Push switch button makes the signal of switch auxiliary circuit input contact conducting again again, control chip again detects signal output part and produces high level, now the timing time on timer is t, control chip compares T and t, when t surpasses T, control chip control timer resets and reclocking, electric tool is without any action, when t does not surpass T, control chip T in the time the double signal that detects pick out end and produce high level, the control chip accessory drive brings into operation and keeps running status, electric tool work, after pressing again shift knob, control chip detects signal and picks out end and produce again high level, the control chip accessory drive is out of service, electric tool quits work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310399089.9A CN103474272B (en) | 2013-09-04 | 2013-09-04 | Handheld electric tool touch switch and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310399089.9A CN103474272B (en) | 2013-09-04 | 2013-09-04 | Handheld electric tool touch switch and control method thereof |
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| CN103474272A true CN103474272A (en) | 2013-12-25 |
| CN103474272B CN103474272B (en) | 2015-11-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480698A (en) * | 2015-08-27 | 2017-03-08 | Seb公司 | Home appliance including the use steam treatment fabric of the control knob for controlling steam diffusion |
| CN109126115A (en) * | 2017-06-19 | 2019-01-04 | 王洲 | A kind of detachable noiseless multi-functional mahjong |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138182A (en) * | 1988-07-28 | 1992-08-11 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Apparatus for controlling power window regulator |
| CN101064225A (en) * | 2006-04-28 | 2007-10-31 | 常州云杰电器有限公司 | Switch of electric tool |
| CN101354972A (en) * | 2007-07-24 | 2009-01-28 | 德丰零件有限公司 | Trigger mechanism |
| EP2108484A1 (en) * | 2008-04-10 | 2009-10-14 | Panasonic Electric Works Co., Ltd. | Electric power tool |
| CN102496521A (en) * | 2011-12-11 | 2012-06-13 | 河南省电力公司周口供电公司 | Switch special for UPS (Uninterrupted Power Supply) |
| CN203423094U (en) * | 2013-09-04 | 2014-02-05 | 铁鎯电动工具有限公司 | Hand-held electric tool touch switch |
-
2013
- 2013-09-04 CN CN201310399089.9A patent/CN103474272B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138182A (en) * | 1988-07-28 | 1992-08-11 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Apparatus for controlling power window regulator |
| CN101064225A (en) * | 2006-04-28 | 2007-10-31 | 常州云杰电器有限公司 | Switch of electric tool |
| CN101354972A (en) * | 2007-07-24 | 2009-01-28 | 德丰零件有限公司 | Trigger mechanism |
| EP2108484A1 (en) * | 2008-04-10 | 2009-10-14 | Panasonic Electric Works Co., Ltd. | Electric power tool |
| CN102496521A (en) * | 2011-12-11 | 2012-06-13 | 河南省电力公司周口供电公司 | Switch special for UPS (Uninterrupted Power Supply) |
| CN203423094U (en) * | 2013-09-04 | 2014-02-05 | 铁鎯电动工具有限公司 | Hand-held electric tool touch switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480698A (en) * | 2015-08-27 | 2017-03-08 | Seb公司 | Home appliance including the use steam treatment fabric of the control knob for controlling steam diffusion |
| CN109126115A (en) * | 2017-06-19 | 2019-01-04 | 王洲 | A kind of detachable noiseless multi-functional mahjong |
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| Publication number | Publication date |
|---|---|
| CN103474272B (en) | 2015-11-25 |
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