CN115602476A - Hall magnetic induction type knob - Google Patents

Hall magnetic induction type knob Download PDF

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Publication number
CN115602476A
CN115602476A CN202211318215.9A CN202211318215A CN115602476A CN 115602476 A CN115602476 A CN 115602476A CN 202211318215 A CN202211318215 A CN 202211318215A CN 115602476 A CN115602476 A CN 115602476A
Authority
CN
China
Prior art keywords
knob
cavity
top surface
hall
magnetic induction
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.)
Pending
Application number
CN202211318215.9A
Other languages
Chinese (zh)
Inventor
黎伟忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Paijiu Technology Co ltd
Original Assignee
Zhongshan Paijiu Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhongshan Paijiu Technology Co ltd filed Critical Zhongshan Paijiu Technology Co ltd
Priority to CN202211318215.9A priority Critical patent/CN115602476A/en
Publication of CN115602476A publication Critical patent/CN115602476A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/04—Cases; Covers
    • H01H19/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/14—Operating parts, e.g. turn knob
    • 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

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches With Compound Operations (AREA)

Abstract

The invention discloses a Hall magnetic induction type knob which comprises a knob shell, wherein a PCB (printed circuit board) main control board is fixed in the knob shell, a knob cavity is arranged at the edge of the top surface of the knob shell, a rotary support column with an opening on the bottom surface is integrally formed in the center of the bottom wall of the knob cavity, two Hall sensors are fixed on the PCB main control board, a knob body is arranged in the knob cavity, a cavity is arranged on the bottom surface of the knob body, a magnetic ring is clamped in the cavity, a lower knob cover is clamped on the bottom surface of the cavity, the knob body is sleeved on the knob support column and limited by a knob fixing support on the top surface of the knob body, forward rotation signals or reverse rotation signals are provided by the two Hall sensors, the rotation speed is the number of pulses, and the adjustment direction and the number of the knob are judged. The structure of the invention is reasonable, because the knob body and the Hall sensor are separated by the knob cavity, the integral waterproof performance is improved, the rotation of the magnetic ring can drive the change of the magnetic field, the applicability is strong and the practicability is good.

Description

Hall magnetic induction type knob
Technical Field
The invention belongs to the technical field of knobs, and particularly relates to a Hall magnetic induction type knob.
Background
Traditional control knob's inside is provided with a potentiometre, change the size of resistance value through rotatory potentiometre, thereby the response knob range and play control effect, however traditional control knob's waterproof performance is very limited, chinese patent cn201820412934.X magnetic induction control knob, it is including the knob body, a confined holding chamber on its knob body, there are first magnetism piece and response magnet in the holding chamber, there are second magnetism to inhale piece and magnetism angle sensor in the knob body one side of the dorsad of panel, although it can satisfy the user demand of general condition, but its not only structure is very complicated, and its holistic waterproof performance and the stationarity of control are very limited, be difficult to satisfy the demand in market.
Disclosure of Invention
The invention aims to provide a Hall magnetic induction type knob which is reasonable in structural arrangement and beneficial to improving the waterproof performance and the control stability.
The technical scheme for achieving the purpose of the invention is that the Hall magnetic induction type knob comprises a knob shell, wherein a PCB (printed circuit board) main control board is fixed in the knob shell, a knob cavity is arranged at the edge of the top surface of the knob shell, a rotary support with an opening in the bottom surface is integrally formed in the center of the bottom wall of the knob cavity, two Hall sensors are fixed on the PCB main control board and are positioned at two ends of the diameter of the knob support, a knob body is arranged in the knob cavity, a cavity is arranged on the bottom surface of the knob body, a magnetic ring is clamped in the cavity, a lower knob cover is clamped on the bottom surface of the cavity, the knob body is sleeved on the knob support and limited by a knob fixing support on the top surface of the knob body, the magnetic ring is driven to rotate when the knob body rotates, and the two Hall sensors sense the magnetic field change of the magnetic ring rotation to achieve on-off control.
More preferably: the magnetic ring comprises sixteen equal-part magnetic poles, and N poles and S poles of the sixteen equal-part magnetic poles are sequentially and alternately arranged.
More preferably: the symmetry border of knob cavity is provided with the screens groove, be provided with the shell fragment on the diapire of knob cavity, the symmetry border integrated into one piece of shell fragment has the fixture block of buckling downwards, the fixture block card is gone into the screens inslot is spacing, just the top surface of shell fragment is attached to the bottom surface of knob lower cover.
More preferably: two arched bulges are fixed on the top surface of the elastic sheet and are positioned at two ends of the diameter of the elastic sheet.
More preferably: the knob is characterized in that an n-shaped slot is formed in the bottom of the outer wall of the knob body, and the edge of the lower knob cover is integrally clamped into the clamping salient points in the n-shaped slot.
More preferably: the knob fixing support is fixed on the rotary support through a screw rod, and the bottom edge of the knob fixing support abuts against the top surface of the limiting convex ring to limit the knob body.
More preferably: the top surface of knob fixed bolster and the top surface of knob casing are provided with ya keli panel respectively.
More preferably: and the outer wall of the knob body is provided with an anti-skid groove.
The invention has the positive effects that: the structure of the invention is reasonably arranged, the two Hall sensors are arranged on the PCB main control board and are matched with the knob body in the knob cavity, the knob body and the Hall sensors are separated by the knob cavity, so that the integral waterproof performance is favorably improved, the two Hall sensors are matched with the magnetic ring, the magnetic ring is fixed on the bottom surface of the knob body, the knob body can drive the magnetic ring to rotate when rotating when in use, the magnetic ring can drive the change of a magnetic field when rotating, forward rotation or reverse rotation signals are provided by the two Hall sensors, the rotating speed is the number of pulses, so that the adjusting direction and the number of the knob regulating wheel are judged, the stability and the reliability of integral switch control are improved, the applicability is strong, and the practicability is good.
Drawings
In order that the manner in which the present invention is more fully understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is a cross-sectional structural view of the present invention;
FIG. 4 is an enlarged view of the structure of the resilient plate of the present invention;
fig. 5 is an enlarged schematic view of the structure of the magnetic ring of the present invention.
Reference numerals: the rotary knob comprises a rotary knob shell 1, a PCB main control board 2, a rotary knob cavity 3, a rotary support column 4, a Hall sensor 5, a rotary knob body 6, a magnetic ring 7, a rotary knob lower cover 8, a rotary knob fixing support 9, a clamping groove 10, an elastic sheet 11, a clamping block 12, an arched bulge 13, an n-shaped slot 14, a clamping convex point 15, a limiting convex ring 16 and an acrylic panel 17.
Detailed Description
(example 1)
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a hall magnetic induction type knob includes a knob housing 1, a PCB main control board 2 fixed in the knob housing, and a knob cavity 3 provided at an edge of a top surface of the knob housing. And its PCB main control board is sealed inside the knob casing completely, is favorable to improving whole waterproof performance.
The rotary knob is characterized in that a rotary support column 4 with an opening in the bottom surface is integrally formed in the center of the bottom wall of the knob cavity, two Hall sensors 5 are fixed on the PCB main control board and located at two ends of the diameter of the knob support column, and Hall switches are formed by the two Hall sensors.
The magnetic ring structure comprises a knob cavity, and is characterized in that a knob body 6 is arranged in the knob cavity, a cavity is arranged on the bottom surface of the knob body, a magnetic ring 7 is clamped in the cavity, in the embodiment, the magnetic ring comprises sixteen equal magnetic poles, and N poles and S poles in the sixteen equal magnetic poles are sequentially and alternately arranged. When the knob body rotates, the N pole and the S pole of the knob body can rotate, so that the change of a magnetic field can be generated, the change is sensed and counted by the two Hall sensors, when the knob body rotates to a certain amount, the two Hall sensors jointly act to complete the switching action, the bottom surface of the cavity is buckled with the lower knob cover 8, the knob body is sleeved on the knob support column and limited by the knob fixing support 9 on the top surface of the knob body, in the embodiment, the knob fixing support is fixed at the top of the rotation support column through a screw rod to limit the knob body and prevent the knob body from falling off, in the practical application process, the knob fixing support can also be fixed at the top of the knob support column through the buckle, the knob body drives the magnetic ring to rotate when rotating, and the two Hall sensors sense the change of the magnetic field of the magnetic ring rotation to realize the switching control.
The symmetry border of knob cavity is provided with screens groove 10, be provided with shell fragment 11 on the diapire of knob cavity, the symmetry border integrated into one piece of shell fragment has the fixture block 12 of buckling downwards, the fixture block card is gone into the screens inslot is spacing, just the bottom surface of knob lower cover is attached at the top surface of shell fragment. Two arched bulges 13 are fixed on the top surface of the elastic sheet and are positioned at two ends of the diameter of the elastic sheet. It is provided with the shell fragment to be provided with two arch archs at the top surface of shell fragment, cooperation knob fixed bolster makes the knob have great frictional force, can fix a position when rotatory back external force disappears promptly, prevents autogiration, and when external force is greater than frictional force, the shell fragment can not influence the normal rotation of knob body yet, and in the practical application process, its shell fragment is the sheetmetal structure body or plastic sheet structure body.
An n-shaped slot 14 is formed in the bottom of the outer wall of the knob body, and the edge of the lower knob cover is integrally clamped into a clamping convex point 15 in the n-shaped slot. In this embodiment, through the above structure, the elastic sheet can be positioned, and the elastic sheet itself is prevented from rotating.
The knob body is characterized in that a limiting convex ring 16 is arranged on the inner wall of the knob body, the knob fixing support is fixed on the rotary support through a screw rod, and the bottom edge of the knob fixing support abuts against the top surface of the limiting convex ring to limit the knob body. The height of the limiting convex ring from the knob body is the same as that of the knob fixing support in the embodiment, so that after the knob fixing support is installed, the top surface of the rotating body is located on the same plane, and the whole attractiveness is improved.
The top surface of knob fixed bolster and the top surface of knob casing are provided with ya keli panel 17 respectively. And the outer wall of the knob body is provided with an anti-skid groove. In this embodiment, it is provided with ya keli panel and can decorate the protection.
The structure of the invention is reasonably arranged, the two Hall sensors are arranged on the PCB main control board and are matched with the knob body in the knob cavity, the knob body and the Hall sensors are separated by the knob cavity, so that the whole waterproof performance is favorably improved, the two Hall sensors are matched with the magnetic ring, the magnetic ring is fixed on the bottom surface of the knob body, the knob body can drive the magnetic ring to rotate when rotating when in use, the magnetic ring can drive the change of a magnetic field when rotating, forward rotation or reverse rotation signals are provided through the induction of the two Hall sensors, the rotating speed is the number of pulses, so that the adjusting direction and the adjusting quantity of the knob adjusting wheel are judged, the stability and the reliability of the whole switch control are improved, and the invention has strong applicability and good practicability.
The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural parts described in the specification may be obtained by processing directly according to the general knowledge of the prior art without any doubt, and the connection manner of the respective parts adopts the conventional means matured in the prior art, and the machines, parts and equipment are all of the types conventional in the prior art, so that detailed description thereof is omitted here.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims (8)

1. The utility model provides a hall magnetic induction formula knob, includes the knob casing, the PCB main control board of rotatory knob casing internal fixation, its characterized in that: the improved structure of the rotary knob comprises a knob shell, and is characterized in that a knob cavity is arranged on the edge of the top surface of the knob shell, a rotary support column with an opening in the bottom surface is integrally formed in the center of the bottom wall of the knob cavity, two Hall sensors are fixed on a PCB (printed circuit board) main control board and located at two ends of the diameter of the knob support column, a knob body is arranged in the knob cavity, a cavity is arranged on the bottom surface of the knob body, a magnetic ring is clamped in the cavity, a lower knob cover is clamped on the bottom surface of the cavity, the knob body is sleeved on the knob support column and limited by a knob fixing support on the top surface of the knob body, the magnetic ring is driven to rotate when the knob body rotates, the two Hall sensors provide forward rotation or reverse rotation signals, the rotation speed is the number of pulses, the adjustment direction and the number of knob adjusting wheels are judged, and the addition and subtraction setting of temperature or time is realized.
2. The hall magnetic induction knob of claim 1, wherein: the magnetic ring comprises sixteen equal-part magnetic poles, and N poles and S poles in the sixteen equal-part magnetic poles are sequentially and alternately arranged.
3. The hall magnetic induction knob of claim 2, wherein: the symmetry border of knob cavity is provided with the screens groove, be provided with the shell fragment on the diapire of knob cavity, the symmetry border integrated into one piece of shell fragment has the fixture block of buckling downwards, the fixture block card is gone into the screens inslot is spacing, just the bottom surface of knob lower cover is attached at the top surface of shell fragment.
4. The hall magnetic induction knob of claim 3 wherein: two arched bulges are fixed on the top surface of the elastic sheet and are positioned at two ends of the diameter of the elastic sheet.
5. The hall magnetic induction knob of claim 1 or claim 4, wherein: the knob is characterized in that an n-shaped slot is formed in the bottom of the outer wall of the knob body, and the edge of the lower knob cover is integrally clamped into the clamping salient points in the n-shaped slot.
6. The Hall magnetic induction knob according to claim 5, wherein: the knob fixing support is fixed on the rotary support through a screw rod, and the bottom edge of the knob fixing support abuts against the top surface of the limiting convex ring to limit the knob body.
7. The Hall magnetic induction knob according to claim 6, wherein: the top surface of knob fixed bolster and the top surface of knob casing are provided with ya keli panel respectively.
8. The hall magnetic induction knob of claim 7, wherein: and the outer wall of the knob body is provided with an anti-skid groove.
CN202211318215.9A 2022-10-26 2022-10-26 Hall magnetic induction type knob Pending CN115602476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211318215.9A CN115602476A (en) 2022-10-26 2022-10-26 Hall magnetic induction type knob

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211318215.9A CN115602476A (en) 2022-10-26 2022-10-26 Hall magnetic induction type knob

Publications (1)

Publication Number Publication Date
CN115602476A true CN115602476A (en) 2023-01-13

Family

ID=84850164

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211318215.9A Pending CN115602476A (en) 2022-10-26 2022-10-26 Hall magnetic induction type knob

Country Status (1)

Country Link
CN (1) CN115602476A (en)

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