CN110767480A - Direct current signal trigger switch based on Hall signal control - Google Patents
Direct current signal trigger switch based on Hall signal control Download PDFInfo
- Publication number
- CN110767480A CN110767480A CN201911199270.9A CN201911199270A CN110767480A CN 110767480 A CN110767480 A CN 110767480A CN 201911199270 A CN201911199270 A CN 201911199270A CN 110767480 A CN110767480 A CN 110767480A
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- China
- Prior art keywords
- reversing
- magnet
- push shaft
- circuit board
- trigger switch
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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.)
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- 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
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- 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
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- 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
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
-
- 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
- H01H2009/065—Battery operated hand tools in which the battery and the switch are directly connected
Landscapes
- Push-Button Switches (AREA)
- Switches With Compound Operations (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The direct-current signal trigger switch based on Hall signal control comprises a base body, an upper cover and a push shaft, wherein one end of the push shaft is arranged in a box body formed by the base body and the upper cover, and the other end of the push shaft extends out of the box body; the circuit board assembly is arranged on one side of the push shaft, a Hall element for on-off is arranged on one side, far away from the push shaft, of the circuit board assembly, and a magnet for on-off matched with the Hall element for on-off is arranged on one side, close to the circuit board assembly, of the push shaft. The utility model discloses a direct current signal trigger switch based on hall signal control through setting up magnet for after loosening the switch trigger, the circuit board is almost uncharged, and then makes the quiescent current of switch be almost zero, can effectively prolong electric tool's battery life, reduces because the risk that the battery overdischarge caused, accords with the requirement of national safety standard.
Description
Technical Field
The present disclosure relates to a trigger switch, and more particularly to a direct current trigger switch based on hall signal control.
Background
The direct current trigger switch on the market at present generally realizes the control of electronic signals through mechanical structures such as shrapnel and circuit board contact, contact, and the like, and has the following defects:
1. the mechanical contact is unstable, so that when the electric tool vibrates in use, the mechanical contact is not firm, and the electric tool is instable in work due to instant disconnection;
2. when the reversing mechanical contact is instantly disconnected, the steering of the electric tool is reversed, so that the human body is injured; when the mechanical contact of the speed regulation is broken instantly or the circuit board is seriously abraded, the speed of the electric tool is jumped and unstable; when the on-off mechanical contact is not good, the instantaneous halt or the unstable speed of the electric tool can be caused;
3. the mechanical contact life is short, the service life cycle of the electric tool is increased day by the current users, and the mechanical abrasion cannot meet the increasing demand of the current market on the electric tool.
Disclosure of Invention
The purpose of the present disclosure is to overcome the disadvantages of the prior art, and to provide a direct current signal trigger switch based on hall signal control.
The utility model provides a direct current signal trigger switch based on hall signal control, its technical scheme is:
comprises a base body, an upper cover and a push shaft,
one end of the push shaft is arranged in a box body formed by the base body and the upper cover, and the other end of the push shaft extends out of the box body;
the circuit board assembly is arranged on one side of the push shaft, a Hall element for on-off is arranged on one side, far away from the push shaft, of the circuit board assembly, and a magnet for on-off matched with the Hall element for on-off is arranged on one side, close to the circuit board assembly, of the push shaft.
The utility model provides a direct current signal trigger switch based on hall signal control still includes following technical scheme:
and one side of the push shaft close to the circuit board assembly is provided with a speed regulation Hall element, and one side of the push shaft close to the circuit board assembly is provided with a speed regulation magnet group matched with the speed regulation Hall element.
A reversing block is arranged above the push shaft, a reversing rod matched with the reversing block is arranged at the top of the reversing block, and a reversing elastic sheet is arranged at one end of the reversing rod;
and a Hall element for reversing is arranged on one side, far away from the push shaft, of the circuit board assembly, and a magnet group for reversing is arranged on one side, close to the circuit board assembly, of the reversing block.
The top of the reversing block is provided with a strip-shaped groove, and the bottom of the reversing rod is provided with a protrusion capable of sliding in the strip-shaped groove.
The strip-shaped groove comprises a straight line section and bending sections arranged at two ends of the straight line section, and a transition section is arranged between the straight line section and the bending sections.
The reversing elastic piece is provided with a V-shaped groove, and one end of the reversing rod is provided with a convex block matched with the V-shaped groove.
The magnet group for reversing comprises a first magnet for reversing and a second magnet for reversing, the polarities of the first magnet and the second magnet are opposite, two circular grooves are formed in one side, close to the circuit board assembly, of the reversing block, and the first magnet for reversing and the second magnet for reversing are arranged in the two circular grooves respectively.
The speed-regulating magnet group comprises a first speed-regulating magnet and a second speed-regulating magnet which have the same polarity, two first rectangular grooves are formed in one side, close to the circuit board assembly, of the push shaft, and the first speed-regulating magnet and the second speed-regulating magnet are respectively arranged in the two first rectangular grooves;
a sliding groove is formed between the two first rectangular grooves, and the Hall element for speed regulation can move relatively in the sliding groove.
And a second rectangular groove is formed in one side, close to the circuit board assembly, of the push shaft, and the magnet for on-off is arranged in the second rectangular groove.
One end of the push shaft extending out of the box body is provided with a trigger, the other end of the push shaft is provided with a positioning column, and a return spring is arranged on the positioning column.
The implementation of the present disclosure includes the following technical effects:
1. the utility model discloses a direct current signal trigger switch based on hall signal control is applicable to all kinds of rechargeable electric tools for the complete machine assembly is very easy, and the electronic control signal is more stable, and life cycle promotes by a wide margin.
2. The direct current signal trigger switch based on Hall signal control has excellent dustproof performance, so that the electric tool is durable and meets the requirements of national safety standards.
3. The utility model discloses a direct current signal trigger switch based on hall signal control through setting up magnet for after loosening the switch trigger, the circuit board is almost uncharged, and then makes the quiescent current of switch be almost zero, can effectively prolong electric tool's battery life, reduces because the risk that the battery overdischarge caused, accords with the requirement of national safety standard.
4. The direct current signal trigger switch based on Hall signal control can not only realize the functions of on-off, speed regulation boosting and voltage reduction of the electric tool, but also realize the reversing function of the electric tool, and is controlled by electronic signals.
Drawings
Fig. 1 is a perspective view of a hall signal control-based direct current signal trigger switch according to the present disclosure.
Fig. 2 is a cross-sectional view of a hall signal control-based dc signal trigger switch according to the present disclosure.
Fig. 3 is an explosion diagram of a hall signal control-based dc signal trigger switch according to the present disclosure.
Fig. 4 is a top view of a hall signal control based dc signal trigger switch according to the present disclosure, with the reversing lever in an initial state.
Fig. 5 is a cross-sectional view of fig. 4.
Fig. 6 is a top view of a hall signal control based dc signal trigger switch according to the present disclosure, wherein the reversing lever is in a forward rotation state.
Fig. 7 is a cross-sectional view of fig. 6.
Fig. 8 is a top view of a hall signal control based dc signal trigger switch according to the present disclosure, with the reversing lever in a reverse rotation state.
Fig. 9 is a cross-sectional view of fig. 8.
Fig. 10 is a top view of a hall signal control based dc signal trigger switch according to the present disclosure, with the push shaft in an initial state.
Fig. 11 is a top view of a hall signal control based dc signal trigger switch according to the present disclosure, with the push shaft in motion.
Fig. 12 is a top view of a hall signal control based dc signal trigger switch according to the present disclosure, with the push shaft in a full stroke state.
Fig. 13 is a schematic structural diagram of a circuit board assembly of a hall signal control-based dc signal trigger switch according to the present disclosure.
In the figure, 1-a base body, 2-an upper cover, 3-a push shaft, 4-a circuit board assembly, 5-a Hall element for switching, 6-a magnet for switching, 7-a Hall element for speed regulation, 8-a magnet group for speed regulation, 9-a reversing block, 10-a reversing rod, 11-a reversing elastic sheet, 12-a Hall element for reversing, 13-a magnet group for reversing, 14-a trigger, 15-a positioning column, 16-a reset spring, 17-a sealing ring, 31-a first rectangular groove, 32-a sliding groove, 33-a second rectangular groove, 81-a first magnet for speed regulation, 82-a second magnet for speed regulation, 91-a strip-shaped groove, 911-a straight line segment, 912-a bending segment, 913-a transition segment, 92-a circular groove and 101-a protrusion, 102-lug, 111-V-shaped groove, 131-first magnet for commutation and 132-second magnet for commutation.
Detailed Description
The present disclosure will be described in detail below with reference to embodiments and drawings, it being noted that the described embodiments are only intended to facilitate understanding of the present disclosure, and do not impose any limitation thereon. The orientations described in the present application, such as up, down, left, right, and left, are convenient to use and described with reference to the drawings, and do not limit the scope of protection.
As shown in fig. 1-3 and 12, the present disclosure provides a hall signal control-based dc signal trigger switch, which includes a base body 1, an upper cover 2, and a push shaft 3. One end of the push shaft 3 is arranged in a box body formed by the base body 1 and the upper cover 2, and the other end of the push shaft extends out of the box body;
a circuit board assembly 4 is arranged on one side of the push shaft 3, a Hall element 5 for on-off is arranged on one side, far away from the push shaft 3, of the circuit board assembly 4, and a magnet 6 for on-off matched with the Hall element 5 for on-off is arranged on one side, close to the circuit board assembly 4, of the push shaft 3.
The direct-current signal trigger switch is a novel trigger switch, is suitable for various rechargeable electric tools, and is very easy to assemble, more stable in electronic control signals and greatly prolonged in service life; meanwhile, the dustproof electric tool has excellent dustproof performance, so that the electric tool is durable and meets the requirements of national safety standards; by arranging the magnet, the circuit board is almost completely uncharged after the switch trigger is loosened, so that the quiescent current of the switch is almost zero, the service life of a battery of the electric tool can be effectively prolonged, the risk caused by over discharge of the battery is reduced, and the national safety standard requirement is met; moreover, this disclosed direct current signal trigger switch based on hall signal control can not only realize the function of electric tool break-make, speed governing step up and step down, can also realize electric tool's switching-over function.
In one embodiment, as shown in fig. 2, 3 and 12, a speed regulation hall element 7 is disposed on one side of the circuit board assembly 4 close to the push shaft 3, and a speed regulation magnet group 8 matched with the speed regulation hall element 7 is disposed on one side of the push shaft 3 close to the circuit board assembly 4.
In one embodiment, as shown in fig. 3, a reversing block 9 is arranged above the push shaft 3, a reversing rod 10 matched with the reversing block 9 is arranged at the top of the reversing block 9, and a reversing elastic sheet 11 is arranged at one end of the reversing rod 10;
and a Hall element 12 for reversing is arranged on one side of the circuit board assembly 4, which is far away from the push shaft 3, and a magnet group 13 for reversing is arranged on one side of the reversing block 9, which is close to the circuit board assembly 4.
In one embodiment, as shown in fig. 3, the top of the reversing block 9 is provided with a strip-shaped groove 91, and the bottom of the reversing lever 10 is provided with a protrusion 101 capable of sliding in the strip-shaped groove 91.
In one embodiment, as shown in fig. 3, the strip-shaped groove 91 comprises a straight line segment 911 and a bent segment 912 arranged at two ends of the straight line segment 911, and a transition segment 913 is arranged between the straight line segment 911 and the bent segment 912. In the embodiment, the transition section 913 is disposed between the straight section 911 and the bending section 912, so that when the reversing lever rotates to the two ends of the strip-shaped groove 91, the transition section 913 can limit the position of the reversing lever 10.
In one embodiment, as shown in fig. 3, a V-shaped groove 111 is formed in the direction-changing elastic sheet 11, and a protrusion 102 that is engaged with the V-shaped groove 111 is formed at one end of the direction-changing rod 10.
In one embodiment, as shown in fig. 3, the reversing magnet group 13 includes a reversing first magnet 131 and a reversing second magnet 132 having opposite polarities, two circular grooves 92 are formed on the reversing block 9 on a side close to the circuit board assembly 4, and the reversing first magnet 131 and the reversing second magnet 132 are respectively disposed in the two circular grooves 92.
In one embodiment, as shown in fig. 3, the speed regulation magnet group 8 includes a speed regulation first magnet 81 and a speed regulation second magnet 82 with the same polarity, two first rectangular grooves 31 are provided on one side of the push shaft 3 close to the circuit board assembly 4, and the speed regulation first magnet 81 and the speed regulation second magnet 82 are respectively provided in the two first rectangular grooves 31;
a sliding groove 32 is provided between the two first rectangular grooves 31, and the hall element for speed regulation 7 can move relatively in the sliding groove 32.
As shown in fig. 3, a second rectangular groove 33 is provided on the push shaft 3 on a side close to the circuit board assembly 4, and the on-off magnet 6 is provided in the second rectangular groove 33.
As shown in fig. 3, one end of the push shaft 3 extending out of the box body is provided with a trigger 14, the other end is provided with a positioning column 15, and the positioning column 15 is provided with a return spring 16.
As shown in fig. 3, a sealing ring 17 is disposed at a position where the pushing shaft extends out of the box body.
It should be noted that, on the basis of the technical solutions disclosed in the present application, those skilled in the art may arbitrarily combine the three functions of switching on and off, reversing, and adjusting the speed based on the hall element disclosed in the present application, all of which belong to the protection scope of the present application.
The utility model provides a direct current signal trigger switch based on hall signal control, its working process that realizes the break-make function is as follows:
when the trigger 14 is pressed, as shown in fig. 10 to 12, the switching magnet 6 linearly moves together with the push shaft 3, and the switching hall element 5 provided on the circuit board assembly 4 does not move, so that the distance between the switching magnet 6 and the switching hall element 5 provided on the circuit board assembly 4 changes with the movement of the push shaft, and the switching hall element signal changes, and the switching control function of the switch can be realized according to the change of the signal.
The utility model provides a direct current signal trigger switch based on hall signal control, its working process who realizes the switching-over function is as follows:
when the commutation lever is in the initial state, as shown in fig. 4 to 5, the commutation hall element 12 is between the commutation first magnet 131 and the commutation second magnet 132; when the reversing lever 10 is shifted forwards, as shown in fig. 6-7, the protrusion 101 at the bottom of the reversing lever 10 slides in the strip-shaped groove 91 at the top of the reversing block 9, so that the positions of the first magnet 131 for reversing and the second magnet 132 for reversing, which are arranged in the two circular grooves 92 of the reversing block 9, relative to the hall element 12 for reversing are also changed, and the second magnet 132 for reversing cooperates with the hall element 12 for reversing to realize the hall signal conversion; when the reversing lever 10 is reversed, as shown in fig. 8-9, the protrusion 101 at the bottom of the reversing lever 10 slides in the strip-shaped groove 91 at the top of the reversing block 9, so that the positions of the first magnet 131 for reversing and the second magnet 132 for reversing, which are arranged in the two circular grooves 92 of the reversing block 9, relative to the hall element 12 for reversing are also changed, and the first magnet 131 for reversing and the hall element 12 for reversing are matched to realize the hall signal conversion; the commutation function of the switch can be realized according to the conversion of the signal.
The utility model provides a direct current signal trigger switch based on hall signal control, its working process who realizes the speed governing function is as follows:
when the trigger 14 is in the free state, as shown in fig. 10, the first magnet 81 for speed regulation and the second magnet 82 for speed regulation are respectively located on both sides of the hall element 7 for speed regulation, wherein the first magnet 81 for speed regulation is close to the hall element 7 for speed regulation, and the second magnet 82 for speed regulation is far from the hall element 7 for speed regulation;
when the trigger 14 is pressed, the first speed regulation magnet 81 and the second speed regulation magnet 82 move linearly together with the push shaft 3, and as shown in fig. 11, during the movement, the distance between the first speed regulation magnet 81 and the speed regulation hall element 7 gradually decreases, and the distance between the second speed regulation magnet 82 and the speed regulation hall element gradually increases; as shown in fig. 12, until the trigger 14 is fully pressed to the maximum stroke, the signal of the hall element 7 for speed regulation is changed stepwise in the process, thereby realizing the speed regulation function of the switch.
Finally, it should be noted that the above embodiments are only intended to illustrate the technical solutions of the present disclosure, and not to limit the scope of the present disclosure, and although the present disclosure has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present disclosure without departing from the spirit and scope of the technical solutions of the present disclosure.
Claims (10)
1. A direct current signal trigger switch based on Hall signal control comprises a base body, an upper cover and a push shaft, and is characterized in that,
one end of the push shaft is arranged in a box body formed by the base body and the upper cover, and the other end of the push shaft extends out of the box body;
the circuit board assembly is arranged on one side of the push shaft, a Hall element for on-off is arranged on one side, far away from the push shaft, of the circuit board assembly, and a magnet for on-off matched with the Hall element for on-off is arranged on one side, close to the circuit board assembly, of the push shaft.
2. The direct-current signal trigger switch based on Hall signal control according to claim 1, characterized in that: and a Hall element for speed regulation is arranged on one side, close to the push shaft, of the circuit board assembly, and a magnet group for speed regulation matched with the Hall element for speed regulation is arranged on one side, close to the circuit board assembly, of the push shaft.
3. The direct-current signal trigger switch based on Hall signal control according to claim 1 or 2, characterized in that: a reversing block is arranged above the push shaft, a reversing rod matched with the reversing block is arranged at the top of the reversing block, and a reversing elastic sheet is arranged at one end of the reversing rod;
and a Hall element for reversing is arranged on one side, far away from the push shaft, of the circuit board assembly, and a magnet group for reversing is arranged on one side, close to the circuit board assembly, of the reversing block.
4. The direct-current signal trigger switch based on Hall signal control according to claim 3, characterized in that: the top of the reversing block is provided with a strip-shaped groove, and the bottom of the reversing rod is provided with a protrusion capable of sliding in the strip-shaped groove.
5. The direct-current signal trigger switch based on Hall signal control according to claim 4, characterized in that: the strip-shaped groove comprises a straight line section and bending sections arranged at two ends of the straight line section, and a transition section is arranged between the straight line section and the bending sections.
6. The direct-current signal trigger switch based on Hall signal control according to claim 3, characterized in that: the reversing spring plate is provided with a V-shaped groove, and one end of the reversing rod is provided with a convex block matched with the V-shaped groove.
7. The direct-current signal trigger switch based on Hall signal control according to claim 3, characterized in that: the magnet group for reversing comprises a first magnet for reversing and a second magnet for reversing, the polarities of the first magnet and the second magnet are opposite, two circular grooves are formed in one side, close to the circuit board assembly, of the reversing block, and the first magnet for reversing and the second magnet for reversing are arranged in the two circular grooves respectively.
8. The direct-current signal trigger switch based on Hall signal control according to claim 2, characterized in that: the speed-regulating magnet group comprises a first speed-regulating magnet and a second speed-regulating magnet which have the same polarity, two first rectangular grooves are formed in one side, close to the circuit board assembly, of the push shaft, and the first speed-regulating magnet and the second speed-regulating magnet are respectively arranged in the two first rectangular grooves;
a sliding groove is formed between the two first rectangular grooves, and the Hall element for speed regulation can move relatively in the sliding groove.
9. The direct-current signal trigger switch based on Hall signal control according to claim 1, characterized in that: and a second rectangular groove is formed in one side, close to the circuit board assembly, of the push shaft, and the magnet for on-off is arranged in the second rectangular groove.
10. The direct-current signal trigger switch based on Hall signal control according to any one of claims 1-9, characterized in that: one end of the push shaft extending out of the box body is provided with a trigger, the other end of the push shaft is provided with a positioning column, and a return spring is arranged on the positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199270.9A CN110767480A (en) | 2019-11-29 | 2019-11-29 | Direct current signal trigger switch based on Hall signal control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199270.9A CN110767480A (en) | 2019-11-29 | 2019-11-29 | Direct current signal trigger switch based on Hall signal control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110767480A true CN110767480A (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911199270.9A Pending CN110767480A (en) | 2019-11-29 | 2019-11-29 | Direct current signal trigger switch based on Hall signal control |
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| CN (1) | CN110767480A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023217262A1 (en) * | 2022-05-13 | 2023-11-16 | 博世电动工具（中国）有限公司 | Switch assembly for electric tool |
| WO2023217264A1 (en) * | 2022-05-13 | 2023-11-16 | 博世电动工具（中国）有限公司 | Rotary reversing switch and switch assembly for electric tool |
-
2019
- 2019-11-29 CN CN201911199270.9A patent/CN110767480A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023217262A1 (en) * | 2022-05-13 | 2023-11-16 | 博世电动工具（中国）有限公司 | Switch assembly for electric tool |
| WO2023217264A1 (en) * | 2022-05-13 | 2023-11-16 | 博世电动工具（中国）有限公司 | Rotary reversing switch and switch assembly for electric tool |
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Address after: 325608 Longze village and Nanyang Village, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant after: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. Address before: 325609 Tiancheng Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. |