CN220483492U - Speed regulation handle for preventing false contact of electric vehicle - Google Patents
Speed regulation handle for preventing false contact of electric vehicle Download PDFInfo
- Publication number
- CN220483492U CN220483492U CN202321892123.1U CN202321892123U CN220483492U CN 220483492 U CN220483492 U CN 220483492U CN 202321892123 U CN202321892123 U CN 202321892123U CN 220483492 U CN220483492 U CN 220483492U
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- China
- Prior art keywords
- handle
- hall element
- switch
- magnetic
- mounting seat
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 239000003292 glue Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a speed regulation handle for preventing false contact of an electric vehicle, which comprises a mounting seat and a handle rotating relative to the mounting seat, wherein a Hall switch is fixedly arranged on the mounting seat, a magnetic part which is induced by the Hall switch is arranged on the handle and rotates together with the handle, the Hall switch comprises a linear Hall element and a switch Hall element which are sequentially distributed, and when the handle is in an initial stage, the linear Hall element and the switch Hall element are positioned at the south pole end of the magnetic part. When the handle rotates, the switch Hall element and the linear Hall element sequentially enter and sense the north pole of the magnetic piece, when the switch Hall element enters the north pole end of the magnetic piece, the voltage signal output by the switch Hall element is reduced to 0, meanwhile, the voltage signal output by the linear Hall element is gradually increased, the electric bicycle can be normally started, and the change of the voltage signal output by the switch Hall element is adopted, so that a false touch protection interval is set, and the electric bicycle is prevented from being jumped.
Description
Technical Field
The utility model relates to the technical field of electric vehicles, in particular to a speed regulating handle for preventing an electric vehicle from mistakenly touching a galloping car.
Background
The speed regulating handle of the electric vehicle is also called a Hall rotating handle, the existing electronic accelerator is commonly called a rotating handle, the larger the rotating amplitude is, the higher the signal voltage provided for the controller is, and the running speed of the electric vehicle is faster. A return spring is arranged in the middle of an electric vehicle handle, the rotating handle is characterized in that a linear Hall element and two opposite magnetic poles (N, S) are used for detecting the linear change of a magnetic field through the Hall element when the handle rotates correspondingly, and a voltage signal with the continuous linear change of about 0.8-4.2V is output for speed regulation, for example, the electric vehicle handle is disclosed in Chinese patent No. 202222740225.3, but the reaction speed is relatively high by matching the Hall element with the magnetic poles, the vehicle is easy to bump by mistake, and the safety coefficient is relatively low.
Disclosure of Invention
The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides the speed regulating handle for preventing the electric vehicle from mistakenly touching the galloping, the linear Hall element, the switch Hall element and the magnetic piece matched with the linear Hall element are arranged, the characteristic of the switch Hall element is utilized to set the interval mistaken touching angle, and the starting section of the switch Hall element can send out a high-voltage signal in the south pole end area of the magnetic piece, so that the circuit is abnormal, the electric vehicle triggers a protection mechanism, the starting of a motor is restrained, and when the switch Hall element enters the north end of the magnetic piece, the output voltage signal is reduced to 0V. Meanwhile, the voltage signal output by the linear Hall element gradually rises, the protection mechanism is closed, the motor is started normally, and the change of the voltage signal output by the switching Hall element is adopted, so that a false touch protection interval is set, and the electric vehicle is prevented from galloping.
The utility model discloses a speed regulation handle for preventing an electric vehicle from being touched by mistake, which comprises a handle with a mounting seat capable of rotating relative to the mounting seat, wherein a Hall switch is fixedly arranged on the mounting seat, a magnetic piece matched with the Hall switch is arranged at the position of the handle corresponding to the Hall switch, and the magnetic piece rotates together with the handle, and the speed regulation handle is characterized in that: the Hall switch comprises linear Hall elements and switching Hall elements which are distributed in sequence, when the handle is in an initial stage, the linear Hall elements and the switching Hall elements are located at the south pole end of the magnetic piece, and when the handle rotates, the switching Hall elements and the linear Hall elements can sequentially enter the north pole of the magnetic piece.
By adopting the technical scheme, through setting up linear hall element and switch hall element and with the magnetic part of both cooperation inductions, utilize switch hall element characteristic to set for interval mistake and touch the angle, because switch hall element initial segment can send high-voltage signal in the south pole terminal of magnetic part, thereby lead to circuit abnormality, the electric motor car triggers protection mechanism, thereby restrain motor start-up, when switch hall element gets into the north extreme of magnetic part, the voltage signal of output falls to 0, simultaneously, the voltage signal of linear hall element output rises gradually, at this moment, protection mechanism cancels, the motor can normally start, adopt switch hall element output voltage signal's change, thereby set up mistake and touch protection interval, prevent the electric motor car galloping.
Still further, the present utility model provides: the magnetic pieces are magnetic steels, two magnetic steels are distributed along the arc, and the north poles of the two magnetic steels are oppositely arranged.
By adopting the technical scheme, when the handle rotates continuously and accelerates, the switch Hall element can be ensured to continuously sense the north pole of the magnetic steel through arranging the two magnetic steels.
Still further, the present utility model provides: the mounting seat is provided with a mounting groove for assembling the Hall switch, the upper cover of the mounting groove is provided with a sealing cover, and the sealing cover is provided with a glue injection hole for injecting glue.
By adopting the technical scheme, the Hall switch can be sealed in the mounting groove through the sealing cover, and then glue injection treatment can be carried out through the glue injection hole, so that the Hall switch can be fully wrapped by waterproof glue, rainwater and dust invasion can be prevented, and driving is safer.
The utility model is further provided with: the magnetic steel is arc-shaped magnetic steel, and an arc-shaped groove for assembling the magnetic steel is arranged on the handle.
By adopting the technical scheme, when the handle rotates, the magnetic field changes more stably, the effect is better, and the normal rotation of the handle is not influenced.
Still further, the present utility model provides: one end of the mounting seat is inserted into the handle, and a limiting structure for limiting the separation of the handle and the mounting seat is further arranged between the handle and the mounting seat.
By adopting the technical scheme, the handle is prevented from being separated from the mounting seat, so that the handle is more stable in use.
The utility model is further provided with: the sealing cover is provided with a lock catch, the mounting seat is provided with a locking block, and the lock catch can be buckled on the locking block to realize locking.
By adopting the technical scheme, the lock catch is most preferably an elastic lock catch, can be elastically buckled on the lock block, and can be convenient for installing the sealing cover.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the output voltage variation of the linear Hall element and the output voltage variation of the switching Hall element when the handle of the structure of the present utility model rotates;
FIG. 3 is an exploded view of the present utility model;
FIG. 4 is a schematic view of the initial state structure of the present utility model;
FIG. 5 is a schematic view of the structure of the switch Hall element of the present utility model after the handle is turned to enter the north pole of the magnetic member;
FIG. 6 is a schematic view of the structure of the handle of the present utility model rotated to 65 degrees;
FIG. 7 is a diagram showing the fit of the components on the mounting base of the present utility model;
FIG. 8 is a schematic diagram of a Hall switch structure according to the present utility model;
fig. 9 is a schematic diagram of a magnetic steel structure according to the present utility model.
Mounting base 1, mounting groove 11, handle 2, hall switch 3, linear hall element 31, switch hall element 32, magnetic part 4, closing cap 5, injecting glue hole 51, hasp 52, locking piece 53.
Description of the embodiments
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings:
in the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and that the abnormal current protection mechanism of the electric vehicle is well known to those skilled in the art, and is not specifically described herein nor is it an important point to be protected herein.
The utility model discloses a speed regulation handle for preventing false contact of an electric vehicle, which comprises a handle 2, wherein the handle 2 can rotate relative to the mounting seat 1, a Hall switch 3 is fixedly arranged on the mounting seat 1, a magnetic piece 4 matched with the Hall switch 3 is arranged on the handle 2, the magnetic piece 4 rotates together with the handle 2 (after the handle 2 rotates, the rotating angle of the handle 2 can be limited by blocking through a limiting surface through elastic pieces such as torsion springs, etc.), how the handle 2 rotates relatively and how to reset belongs to common knowledge of a person skilled in the art, and the details of how to reset the handle 2 are not described in detail are omitted.
By adopting the technical scheme, through setting up linear hall element 31 and switch hall element 32 and with both complex magnetic part 4, utilize switch hall element 32 characteristic to set for interval mistake and touch the angle, because switch hall element 32 initial segment can send high-voltage signal in the south pole terminal region of magnetic part 4, thereby lead to the circuit unusual, unable normal start, when switch hall element 32 gets into the north pole terminal of magnetic part 4, the voltage signal of switch hall element 32 output falls to 0, simultaneously, the voltage signal of linear hall element 31 output rises gradually, at this moment, can normally start, adopt switch hall element 32 output voltage signal's change, thereby set up the protection interval, prevent the electric motor car galloping.
The magnetic piece 4 is magnetic steel, two magnetic steels are distributed along the arc, the north poles of the two magnetic steels are arranged oppositely, and when the handle 2 rotates to accelerate continuously, the switch Hall element 32 can be guaranteed to continuously sense the north poles of the magnetic steels all the time through the arrangement of the two magnetic steels.
The mounting seat 1 is provided with the mounting groove 11 for assembling the Hall switch 3, the upper cover of the mounting groove 11 is provided with the sealing cover 5, the sealing cover 5 is provided with the glue injection hole 51 for injecting glue, the Hall switch 3 can be sealed in the mounting groove 11 through the sealing cover 5, and then glue injection treatment can be carried out through the glue injection hole 51, so that the Hall switch 3 can be fully wrapped by waterproof glue, the invasion of rainwater and dust is prevented, and the driving is safer.
The magnetic steel is arc magnetic steel, an arc groove 21 for assembling the magnetic steel is formed in the handle 2, when the handle 2 rotates, the magnetic field change is stable, the effect is good, and the normal rotation of the handle 2 is not influenced.
The utility model discloses a handle, including handle 2, mount pad 1, barb, handle 2, mount pad 1, wherein the inside of handle 2 is inserted to mount pad 1 one end, still is equipped with the limit structure of restriction both separation between handle 2 and the mount pad 1 (limit structure most preferably adopts barb and spacing face cooperation, neither influences both relative rotations, can prevent again that handle 2 from pulling out), prevents that handle 2 from breaking away from mount pad 1, makes it more stable when using.
The sealing cover 5 is provided with the lock catch 52, the mounting seat 1 is provided with the lock block 53, the lock catch 52 can be buckled on the lock block 53 to realize locking, the lock catch 52 is most preferably an elastic lock catch, and the sealing cover 5 can be conveniently mounted.
In summary, the switch hall element 32 most preferably rotates 10 degrees to enter the north pole of the magnetic steel, and of course, there may be slight fluctuation in the interval of 10 degrees, when the switch hall element 32 is located at the south pole of the magnetic steel, the switch hall element 32 may send a high voltage signal to the central control of the electric vehicle, most preferably, the high voltage signal is 5V, at this time, the central control detection circuit is abnormal, thereby triggering a protection mechanism to prevent the motor from starting, when the switch hall element 32 enters the north pole of the magnetic steel, at this time, the voltage signal of the central control of the switch hall element 32 for the electric vehicle is reduced to be close to 0, at the same time, the voltage signal of the central control of the linear hall element 31 is a normal voltage signal, at this time, the motor may operate normally, thereby realizing safe starting, and the output voltage signals of the switch hall element 32 and the linear hall element 31 are as shown in fig. 1, the hall switch most preferably adopts a linear hall element, a circuit board and a signal wire, and pins of the linear hall element and the switch hall element are welded on the circuit board.
Claims (6)
1. The utility model provides an electric motor car is prevented mistake and is touched speed governing handle of driving, but mount pad (1) pivoted handle (2) including mount pad (1), the fixed hall switch (3) that are provided with on mount pad (1), correspond hall switch (3) position on handle (2) be equipped with rather than complex magnetic part (4), and magnetic part (4) rotate with handle (2) together, its characterized in that: the Hall switch (3) comprises linear Hall elements (31) and switching Hall elements (32) which are distributed in sequence, when the handle (2) is in an initial stage, the linear Hall elements (31) and the switching Hall elements (32) are located at the south pole end position of the magnetic piece (4), and when the handle (2) rotates, the switching Hall elements (32) and the linear Hall elements (31) can sequentially enter the north pole of the magnetic piece (4).
2. The speed regulation handle of an electric vehicle for preventing false contact of a galloping vehicle according to claim 1, wherein: the magnetic pieces (4) are magnetic steels, two magnetic steels are distributed along the arc, and the north poles of the two magnetic steels are arranged oppositely.
3. The speed regulation handle for preventing false contact of electric vehicle according to claim 1 or 2, wherein: the mounting seat (1) is provided with a mounting groove (11) for assembling the Hall switch (3), a sealing cover (5) is arranged on the upper cover of the mounting groove (11), and a glue injection hole (51) for injecting glue is formed in the sealing cover (5).
4. The speed regulation handle for preventing false touching of the galloping vehicle of claim 2, wherein: the magnetic steel is arc-shaped magnetic steel, and an arc-shaped groove (21) for assembling the magnetic steel is formed in the handle (2).
5. The speed regulation handle for preventing false touch of an electric vehicle according to claim 3, wherein: one end of the mounting seat (1) is inserted into the handle (2), and a limiting structure for limiting the separation of the handle (2) and the mounting seat (1) is further arranged between the handle and the mounting seat.
6. The speed regulation handle for preventing false touch of an electric vehicle according to claim 3, wherein: the sealing cover (5) is provided with a lock catch (52), the mounting seat (1) is provided with a locking block (53), and the lock catch (52) can be buckled on the locking block (53) to realize locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892123.1U CN220483492U (en) | 2023-07-18 | 2023-07-18 | Speed regulation handle for preventing false contact of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321892123.1U CN220483492U (en) | 2023-07-18 | 2023-07-18 | Speed regulation handle for preventing false contact of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220483492U true CN220483492U (en) | 2024-02-13 |
Family
ID=89837377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321892123.1U Active CN220483492U (en) | 2023-07-18 | 2023-07-18 | Speed regulation handle for preventing false contact of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220483492U (en) |
-
2023
- 2023-07-18 CN CN202321892123.1U patent/CN220483492U/en active Active
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| GR01 | Patent grant | ||
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