CN219759430U - Luminous knob - Google Patents
Luminous knob Download PDFInfo
- Publication number
- CN219759430U CN219759430U CN202320749036.4U CN202320749036U CN219759430U CN 219759430 U CN219759430 U CN 219759430U CN 202320749036 U CN202320749036 U CN 202320749036U CN 219759430 U CN219759430 U CN 219759430U
- Authority
- CN
- China
- Prior art keywords
- knob
- base
- circuit board
- control circuit
- hall switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 33
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a luminous knob, comprising: a base; the control circuit board is arranged on the base and comprises a plurality of groups of light-emitting circuits, and each light-emitting circuit comprises a Hall switch and an LED lamp connected with the Hall switch; the knob is rotatably arranged on the base, the bottom of the knob is upwards sunken to form a mounting cavity, and the side wall of the mounting cavity is provided with a magnet groove for placing a magnet; the transparent protective shell is positioned between the control circuit board and the knob, and a gap is arranged between the transparent protective shell and the knob; when the knob is turned, the magnet rotates from the upper part of the Hall switch to light the LED lamp connected with the Hall switch, so that the service life of the luminous knob can be effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of switches, in particular to a luminous knob.
Background
In the related art, the luminous knob is arranged at the bottom of the knob, the magnetic part is arranged on the base, and the magnetic induction switch on the circuit board passes through the upper part of the magnetic part by rotating the circuit board so as to realize the control of the magnetic induction switch, but the circuit board is in direct contact with the magnetic part to easily cause the abrasion of the circuit board, so that the service life of the luminous knob is reduced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the luminous knob which can effectively prolong the service life of the luminous knob.
According to an embodiment of the first aspect of the present utility model, a luminous knob includes a base; the control circuit board is arranged on the base and comprises a plurality of groups of light-emitting circuits, and each light-emitting circuit comprises a Hall switch and an LED lamp connected with the Hall switch; the knob is rotatably arranged on the base, the bottom of the knob is recessed upwards to form an installation cavity, and the side wall of the installation cavity is provided with a magnet groove for placing a magnet; the transparent protective shell is positioned between the control circuit board and the knob, and a gap is arranged between the transparent protective shell and the knob; when the knob is rotated, the magnet rotates from the upper part of the Hall switch to light the LED lamp connected with the Hall switch.
The luminous knob provided by the embodiment of the utility model has at least the following beneficial effects: the control circuit board is provided with a plurality of groups of light-emitting circuits, and through the plurality of groups of light-emitting circuits, the light-emitting knob can emit different light sources, and different gears correspondingly display the light sources with different colors, so that the identification degree of the gears is improved, and the user can intuitively know the current gear. The hall switch on the luminous circuit cooperates with the magnet on the knob, so that the magnet on the knob can control the on-off condition of the luminous circuit, when the knob rotates, the magnet rotates from the upper part of the hall switch, so that the luminous circuit corresponding to the hall switch is conducted, and the LED lamp connected with the hall switch is lighted. Through set up transparent protective housing between control circuit board and knob, can avoid magnet and control circuit board direct contact and make control circuit board produce wearing and tearing, improve the life of luminous knob.
According to some embodiments of the utility model, the light-emitting circuit further comprises a triode, a first end, a second end and a bias resistor, wherein the first end is used for being connected with a negative electrode of a power supply, the second end is used for being connected with a positive electrode of the power supply, the first end is respectively connected with the Hall switch and the negative electrode end of the LED lamp, the second end is respectively connected with a collector electrode of the triode and the Hall switch, the Hall switch is connected with a base electrode of the triode through the bias resistor, and an emitter electrode of the triode is connected with the positive electrode end of the LED lamp.
According to some embodiments of the utility model, the base is provided with a power hole, the control circuit board further comprises a power terminal, the power terminal is located in the power hole, and the power terminal is connected with the first end and the second end respectively.
According to some embodiments of the utility model, the base is provided with a first mounting hole, the control circuit board is provided with a second mounting hole, the transparent protective shell is provided with a third mounting hole, and the fixing piece sequentially penetrates through the first mounting hole, the second mounting hole and the third mounting hole, so that the protective shell and the control circuit board are fixed on the base.
According to some embodiments of the utility model, the top of the base is recessed downwards to form a containing cavity, and the control circuit board and the protective shell are respectively positioned in the containing cavity.
According to some embodiments of the utility model, a rotating shaft groove for installing the rotating shaft is formed in the installation cavity, a fourth installation hole is formed in the transparent protective shell, a fifth installation hole is formed in the control circuit board, a sixth installation hole is formed in the base, and the fourth installation hole, the fifth installation hole and the sixth installation hole are respectively corresponding to the rotating shaft groove.
According to some embodiments of the utility model, a snap fastener is disposed in the spindle slot.
According to some embodiments of the utility model, the knob includes a circular base and a hand-held portion disposed on the circular base.
According to some embodiments of the utility model, the hand-held part is provided with a light guide groove, and the light guide groove is provided with a light guide strip.
According to some embodiments of the utility model, the transparent protective shell is further provided with a triangular bump at the top for indication.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a luminous knob according to the present utility model;
fig. 2 is a schematic exploded view of a luminous knob according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a base according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a knob according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a light guide bar according to an embodiment of the present utility model;
fig. 6 is a schematic circuit diagram of a light emitting circuit according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, fig. 2, fig. 4 and fig. 6, a control circuit board 200 is provided on a base 100, a plurality of groups of light emitting circuits are included on the control circuit board 200, each light emitting circuit comprises a hall switch H1 and an LED lamp, each LED lamp is connected with the hall switch H1, the light emitting circuit is controlled to be turned on through the hall switch H1, the switch of each LED lamp is further controlled, a knob 400 is rotatably mounted on the base 100, the bottom of the knob 400 is recessed upwards to form a mounting cavity 401, a magnet groove 403 for placing a magnet is formed in the inner side wall of the mounting cavity 401, the magnet groove 403 is tightly attached to the inner side wall, when the knob 400 is rotated, the knob 400 drives the magnet in the magnet groove 403 to rotate, and the magnet rotates over the hall switch H1 in the control circuit board 200, so that the hall switch H1 is turned on, and the LED lamp corresponding to the hall switch H1 is lighted. The transparent protective shell 300 is arranged between the control circuit board 200 and the knob 400, so that the control circuit board 200 is prevented from being in direct contact with the magnet, and compared with the technical scheme that the control circuit board is in direct contact with the magnet in the related art, the problem that the control circuit board 200 is worn due to friction between the magnet and the control circuit board 200 can be avoided, and the service life of the control circuit board 200 is prolonged. A gap 600 is provided between the transparent protective case 300 and the knob 400, and light can be refracted through the gap 600, so that a user can conveniently judge the currently adjusted gear by observing the light.
It can be understood that the control circuit board 200 is provided with a plurality of groups of light emitting circuits, the colors of the light sources of the LEDs corresponding to each group of light emitting circuits are different, each group of light emitting circuits comprises a hall switch H1, when the magnet passes over different hall switches H1, different light emitting circuits are turned on, the LEDs in the corresponding light emitting circuits emit light, and a user can judge the current gear according to the colors of different light.
It should be noted that, the plurality of groups of light emitting circuits are uniformly arranged on the control circuit board 200 at intervals, and the plurality of hall switches H1 are uniformly arranged along the rotation route of the magnet at intervals, so that the magnet can rotate over each hall switch H1.
It can be understood that the top of the base 100 is recessed downwards to form a containing cavity, the outer side edge of the base 100 is provided with a limiting ring, the control circuit board 200 and the protecting shell are respectively positioned in the containing cavity, and the height of the control circuit board 200 is lower than that of the limiting ring, so that when the LED lamp on the control circuit board 200 is lightened, light rays can only be refracted out from the gap 600 between the transparent protecting shell 300 and the knob 400, thereby achieving the condensing effect and avoiding the phenomenon that the light emission is not obvious due to the fact that the light rays are too divergent.
Referring to fig. 6, the light emitting circuit includes a transistor Q1, a first end, a second end and a bias resistor R1, where the first end is connected with a hall switch H1 and a negative electrode of the LED lamp, the second end is connected with a collector of the transistor Q1 and the hall switch H1, the hall switch H1 is connected with a base of the transistor Q1 through the bias resistor R1, an emitter of the transistor Q1 is connected with a positive electrode of the LED lamp, and the hall switch H1 is controlled by a magnet to further control the conduction of the circuit, so that small-current driving with large current can be realized, and the safety of use is improved.
It will be appreciated that when the magnet is located above the hall switch H1, the hall switch H1 is turned on to provide current to the base of the transistor Q1, the transistor Q1 is turned on, and the LED lamp is turned on.
It will be appreciated that when the control circuit board 200 is externally connected to a power source, the second end is connected to the positive electrode of the power source, and the first end is connected to the negative electrode of the power source.
Referring to fig. 2, the light-emitting knob 400 further includes a fixing member, a first mounting hole 110 is formed in the base 100, a second mounting hole 210 is formed in the control circuit board 200, a third mounting hole 310 is formed in the transparent protective case 300, and the fixing member sequentially penetrates through the first mounting hole 110, the second mounting hole 210 and the third mounting hole 310, so that the transparent protective case 300 and the control circuit board 200 are fixed on the base 100, and displacement of the transparent protective case 300 and the control circuit board 200 during use is avoided.
The fixing member may be a screw, and may be mounted in the first mounting hole 110, the second mounting hole 210, and the third mounting hole 310 by screwing.
It can be understood that the base 100 is provided with a plurality of first mounting holes 110, the control circuit board 200 is provided with second mounting holes 210 corresponding to the first mounting holes 110, the transparent protective casing 300 is provided with third mounting holes 310 corresponding to the second mounting holes 210, and the control circuit board 200 and the transparent protective casing 300 are more firmly fixed on the base 100 by correspondingly penetrating the plurality of fixing members into the first mounting holes 110, the second mounting holes 210 and the third mounting holes 310.
Referring to fig. 2 and 3, a rotation shaft groove 402 for installing a rotation shaft is provided in the installation cavity 401, a fourth installation hole 320 is provided on the transparent protective case 300, a fifth installation hole 220 is provided on the control circuit board 200, a sixth installation hole 120 is provided on the base 100, the fourth installation hole 320, the fifth installation hole 220 and the sixth installation hole 120 correspond to the rotation shaft groove 402, and the rotation shaft sequentially penetrates through the fourth installation hole 320, the fifth installation hole 220 and the sixth installation hole 120.
It will be appreciated that a snap for securing the shaft is provided in the shaft slot 402 such that the shaft follows the rotation of the knob 400 while the knob 400 is rotated.
It should be noted that, the first mounting hole 110 is formed on one side of the sixth mounting hole 120, and when the base 100 is formed with a plurality of first mounting holes 110, the plurality of first mounting holes 110 are uniformly disposed around the sixth mounting hole 120.
It can be appreciated that in another embodiment, a positioning hole is further provided on one side of the fifth mounting hole 220, and the bottom of the transparent protective casing 300 further includes a positioning post corresponding to the positioning hole, and the positioning post is matched with the positioning hole, so as to improve the convenience of installation.
Referring to fig. 1 and 5, the knob 400 includes a circular base 410, a hand-held part 420 is provided on the circular base 410, the hand-held part 420 is provided to enable a user to operate the knob 400 better, a light guide groove 430 is provided on the hand-held part 420, a light guide bar 500 is mounted on the light guide groove 430, two protrusions are provided on the light guide bar 500, the protrusions are provided with inclined structures, the inclination is matched with the light guide groove, the inclination on the boss can facilitate the installation of the boss in the light guide groove during the installation of the light guide bar 500, the installation of the light guide bar 500 is easier, the light guide bar 500 is made of a light-transmitting material, the light emitted by the LED lamp can be directly observed through the light guide bar 500, and an intuitive prompting effect is provided for the user.
Referring to fig. 2 and 4, a power hole 130 is formed in the base 100, the control circuit board 200 includes a power terminal 230, the power terminal 230 is disposed through the power hole 130, a plurality of groups of light emitting circuits on the control circuit board 200 are respectively connected with the power terminal 230, and are connected with an external power source through the power terminal 230, so that a voltage of the external power source is transmitted to the plurality of groups of light emitting circuits, and a voltage is provided for the plurality of light emitting circuits.
Referring to fig. 2, a triangular protrusion 330 for indication is further provided on the top of the transparent protective case 300, and when the knob 400 is in the initial position, i.e., the unadjusted state, the light guide groove 430 is positioned above the triangular protrusion 330, it can be determined whether the knob 400 is in a home position by observing whether the light guide groove 430 is positioned above the triangular protrusion 330.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A lighted knob, comprising:
a base;
the control circuit board is arranged on the base and comprises a plurality of groups of light-emitting circuits, and each light-emitting circuit comprises a Hall switch and an LED lamp connected with the Hall switch;
the knob is rotatably arranged on the base, the bottom of the knob is recessed upwards to form an installation cavity, and a magnet groove for placing a magnet is formed in the side wall of the installation cavity;
the transparent protective shell is positioned between the control circuit board and the knob, and a gap is arranged between the transparent protective shell and the knob;
when the knob rotates, the magnet rotates from the upper part of the Hall switch to light the LED lamp connected with the Hall switch.
2. The luminous knob of claim 1, wherein the luminous circuit further comprises a triode, a first end, a second end and a bias resistor, the first end is used for being connected with a negative electrode of a power supply, the second end is used for being connected with a positive electrode of the power supply, the first end is respectively connected with the hall switch and the negative electrode end of the LED lamp, the second end is respectively connected with a collector electrode of the triode and the hall switch, the hall switch is connected with a base electrode of the triode through the bias resistor, and an emitter electrode of the triode is connected with the positive electrode end of the LED lamp.
3. The illuminated knob of claim 2 wherein said base has a power hole therein, said control circuit board further comprising a power terminal, said power terminal being positioned in said power hole, said power terminal being connected to said first and second ends, respectively.
4. The luminous knob according to claim 1, further comprising a fixing member, wherein the base is provided with a first mounting hole, the control circuit board is provided with a second mounting hole, the transparent protective casing is provided with a third mounting hole, and the fixing member sequentially penetrates through the first mounting hole, the second mounting hole and the third mounting hole, so that the protective casing and the control circuit board are fixed on the base.
5. The illuminated knob according to claim 1, wherein the top of the base is recessed downward to form a receiving cavity, and the control circuit board and the protective housing are respectively located in the receiving cavity.
6. The luminous knob according to claim 1, wherein a rotating shaft groove for installing the rotating shaft is formed in the installation cavity, a fourth installation hole is formed in the transparent protective shell, a fifth installation hole is formed in the control circuit board, a sixth installation hole is formed in the base, and the fourth installation hole, the fifth installation hole and the sixth installation hole are respectively corresponding to the rotating shaft groove.
7. The illuminated knob according to claim 6, wherein a snap fastener is disposed in the spindle slot.
8. The lighted knob of claim 1, wherein the knob includes a circular base and a hand-held portion disposed on the circular base.
9. The illuminated knob according to claim 8, wherein the handle portion is provided with a light guide groove, and a light guide bar is mounted on the light guide groove.
10. The illuminated knob according to claim 1, wherein the transparent protective housing is further provided with triangular protrusions on top for indication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320749036.4U CN219759430U (en) | 2023-04-06 | 2023-04-06 | Luminous knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320749036.4U CN219759430U (en) | 2023-04-06 | 2023-04-06 | Luminous knob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759430U true CN219759430U (en) | 2023-09-26 |
Family
ID=88072835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320749036.4U Active CN219759430U (en) | 2023-04-06 | 2023-04-06 | Luminous knob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759430U (en) |
-
2023
- 2023-04-06 CN CN202320749036.4U patent/CN219759430U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |