CN104579291A - Photoelectricity band switch - Google Patents
Photoelectricity band switch Download PDFInfo
- Publication number
- CN104579291A CN104579291A CN201510007747.4A CN201510007747A CN104579291A CN 104579291 A CN104579291 A CN 104579291A CN 201510007747 A CN201510007747 A CN 201510007747A CN 104579291 A CN104579291 A CN 104579291A
- Authority
- CN
- China
- Prior art keywords
- main body
- circuit board
- upper cover
- rotating part
- band 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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- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a photoelectricity band switch which comprises a rotary knob, a rotating piece, an upper cover, a body and a bottom cover from top to bottom in sequence. Grooves are formed in the two sides of the upper cover. Springs and balls are arranged in the two grooves. The body is of a rectangular cover body structure. A containing zone is placed in the body. An LED light-emitting circuit board and a light-fleeing-preventing blocking piece are arranged in the containing zone. The bottom cover is matched with the bottom area of the body and is movably connected with the body. A sealed space is formed in the containing zone. At least one infrared receiving pipe is arranged on the bottom cover. A rotating piece penetrating shaft passes through concentric circular holes in the upper cover, the body, the LED light-emitting circuit board and the light-fleeing-preventing blocking piece. A light blocking piece which is fixedly connected to the outer wall of the rotating piece is arranged on the rotating piece between the LED light-emitting circuit board and the light-fleeing-preventing blocking piece. A gear fixedly connected to the outer wall of the rotating piece is arranged on the rotating piece between the body and the upper cover. The service life of the band switch is greatly improved, jumping, contacting and interfering during a coding output process are avoided, and using is stable.
Description
Technical field
The present invention relates to a kind of photoelectricity band switch.
Background technology
Its principle of existing band switch is Direct driver contact chip, and contact chip is contacted with the conducting end of circuit board diverse location, realizes coding and exports.But have dust, aqueous vapor, contact chip and contact point (resistance substrate) fricative powder at present in these switch internal use procedures to interact the dirt produced, these materials can increase the unnecessary electrical impedance in circuit, circuit can be made time serious to produce fault even Circuit Interrupt and output saltus step, as can be seen here, existing band switch still has many disappearances, a real non-kindhearted design, and urgently improved.
Summary of the invention
Goal of the invention: for overcoming prior art deficiency, purport of the present invention is encoded, to reach the band switch of the effects such as adjustment, conversion in providing a kind of switching knob with the transmitting of LED and reception.
Technical scheme: for solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of photoelectricity band switch, comprise knob, rotating part, upper cover, main body and bottom successively from top to bottom, described upper cover both sides are equipped with groove, spring and ball is equipped with in two grooves, spring one end contacts with groove inner wall, the other end and ball contact, and ball diameter is less than groove width of rebate; Described main body is rectangular-shaped housing structure, and its inside is holding area, is provided with LED luminous circuit board from top to bottom and prevents from altering light trap sheet in holding area; The bottom area of described bottom and main body matches, and is flexibly connected, and holding area is formed confined space, and bottom is provided with more than one infrared receiving tube; Upper cover, main body, LED luminous circuit board and prevent altering light trap sheet central part and be equipped with concentric circle holes, described rotating part wears axle by upper cover, main body, LED luminous circuit board and the concentric circle holes preventing from altering light trap sheet, one end is connected with knob, and the other end is located in holding area; LED luminous circuit board and prevent from altering the anti-dazzling screen rotating part between light trap sheet being also provided with and being connected in rotating part outer wall, the area of anti-dazzling screen is less than the area of LED luminous circuit board and bottom; Rotating part between main body and upper cover is also provided with the gear being connected in rotating part outer wall.
Operation principle: photoelectricity band switch of the present invention, the spacing of each position is realized by the Elastic Contact of gear and ball during knob, when turning knob, drive rotating part rotates, the anti-dazzling screen be fixed on rotating part can block the LED light source of diverse location, meanwhile, also be the LED light source of other positions of release, realize the function that coding exports, infrared receiving tube on bottom receives the LED light source of diverse location, for prevent LED strip influence of light infrared receiving tube capable become mess code, be equipped with between LED luminous circuit board and bottom and prevent optical crosstalk catch, and the shape of anti-dazzling screen can be changed, with the change of anti-dazzling screen shape, the mode of coding again can be different, form the diversity of coding.
Top, the outer of main body concentric circle holes of described main body are arranged with circular groove; Rotating part between described main body and gear is provided with bearing, and bearing is positioned at circular groove, proper alignment when rotating part rotates and smooth can be ensured, can realize come isolated with mechanical rotation part completely, the dirt preventing from fricative powder from interacting producing and the dirt in the external world impact photoelectric coding part.
Described LED luminous circuit board is provided with 4-7 LED light source, and bottom is provided with 4-7 infrared receiving tube, and described infrared receiving tube is consistent with LED light source quantity, and position is mutually corresponding, switch can be made definitely without mess code, without saltus step, and coded portion is contactless, the life-span is long.
Describedly prevent altering light trap sheet and be provided with equal with LED light source quantity and that position is corresponding loophole, can prevent the diffusion of the light of LED light emitting source, reflection etc. from causing receiving by mistake of infrared receiving tube and the mess code formed.
Above-mentioned preventing alters light trap sheet, material can not printing opacity, can not be reflective, thickness is directly proportional to emitting led lighting angle, does not allow light diffuse out aperture.
Sealing ring is provided with between described holding area and bottom, can dust-proof, waterproof, grease proofing.
The NM technology of the present invention is prior art.
Beneficial effect: photoelectricity band switch change of the present invention realizes exporting by the contact of contact chip and bottom contact point, output signal by the mode of photoelectric coding, the life-span that improve band switch of high degree, and without saltus step in coding output procedure, contactless, noiseless; Multifarious distinctive coding exports, and the life-span is longer, uses more stable.
Accompanying drawing explanation
Figure l is the isometric exploded view of photoelectricity band switch of the present invention;
Fig. 2 is the combination schematic diagram of this photoelectricity band switch;
Fig. 3 is the enforcement schematic diagram of upper cover, main body and rotating part mechanical rotation;
Fig. 4 is that schematic diagram implemented by rotating part and LED light source and receiving tube;
Fig. 5 is that anti-dazzling screen and infrared receiving tube implement schematic diagram;
In figure, 1 being upper cover, 2 being main body, 3 be rotating part, 4 be bottom, 5 be knob, 6 be LED luminous circuit board, 7 being ball for preventing from altering light trap sheet, 8,9 be bearing, 10 be holding area, 11 be anti-dazzling screen, 12 be gear, 13 be spring, 14 be LED light source, 15 be infrared receiving tube.
Embodiment
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.
Embodiment 1
As Figure 1-5, a kind of photoelectricity band switch, comprise knob 5, rotating part 3, upper cover 1, main body 2 and bottom 4 from top to bottom successively, described upper cover 1 both sides are equipped with groove, spring 13 and ball 8 is equipped with in two grooves, spring 13 one end contacts with groove inner wall, and the other end contacts with ball 8, and ball 8 diameter is less than groove width of rebate; Described main body 2 is rectangular-shaped housing structure, and its inside is holding area 10, is provided with LED luminous circuit board 6 from top to bottom and prevents from altering light trap sheet 7 in holding area 10; Described bottom 4 matches with the bottom area of main body 2, and is flexibly connected, and holding area 10 is formed confined space, is provided with sealing ring between holding area 10 and bottom 4, bottom 4 is provided with more than one infrared receiving tube 15; Upper cover 1, main body 2, LED luminous circuit board 6 and prevent altering light trap sheet 7 central part and be equipped with concentric circle holes, described rotating part 3 wears axle by upper cover 1, main body 2, LED luminous circuit board 6 and the concentric circle holes preventing from altering light trap sheet 7, one end is connected with knob 5, and the other end is located in holding area 10; LED luminous circuit board 6 and prevent from altering the anti-dazzling screen 11 rotating part 3 between light trap sheet 7 being also provided with and being connected in rotating part 3 outer wall, the area of anti-dazzling screen 11 is less than the area of LED luminous circuit board 6 and bottom 4; Rotating part 3 between main body 2 and upper cover 1 is also provided with the gear 12 being connected in rotating part 3 outer wall; Top, the outer of main body 2 concentric circle holes of main body 2 are arranged with circular groove; Rotating part 3 between main body 2 and gear 12 is provided with bearing 9, and bearing 9 is positioned at circular groove.
Photoelectricity band switch of the present invention, the spacing of each position is realized by gear 12 and the Elastic Contact of ball 8 when knob 5 rotates, when turning knob 5, rotating part 3 is driven to rotate, the anti-dazzling screen 11 be fixed on rotating part 3 can block the LED light source 14 of diverse location, meanwhile, also be the LED light source 14 of other positions of release, realize the function that coding exports, infrared receiving tube 15 on bottom 4 receives the LED light source 14 of diverse location, mess code is become for preventing LED strip influence of light infrared receiving tube 15 row, be equipped with between LED luminous circuit board 6 and bottom 4 and prevent optical crosstalk catch, and the shape of anti-dazzling screen 11 can be changed, with the change of anti-dazzling screen 11 shape, the mode of coding again can be different, form the diversity of coding.The setting of bearing 9, what can ensure when rotating is concentric and smooth, can realize come isolated with mechanical rotation part completely, and the dirt preventing from fricative powder from interacting producing and the dirt in the external world impact photoelectric coding part.
When rotating part 3 rotates, anti-dazzling screen 11 can cover 1 LED light source 14, and it is 0 that infrared receiver termination can not receive coded optical signal, discharges other LED light source 14 simultaneously, and it is 1 that infrared receiver termination receives coded optical signal.The LED light source 14 that 4-7 group is corresponding and infrared receiver end when rotating part 3 drives anti-dazzling screen 11 to rotate, then can form different codings.
Example:
As when a fixed position, 6 LED light sources 14 are not blocked simultaneously, then what formed is encoded to 1, and 1,1,1,1,1;
As when next fixed position, 5 LED light sources 14 are not blocked, and 1 is blocked, then what formed is encoded to 1, and 1,1,1,1,0;
During as next fixed position again, 4 LED light sources 14 are not blocked, and 2 are blocked, then what formed is encoded to 1, and 1,1,1,0,0;
.
.
.
By that analogy.
Claims (5)
1. a photoelectricity band switch, it is characterized in that: comprise knob (5), rotating part (3), upper cover (1), main body (2) and bottom (4) from top to bottom successively, described upper cover (1) both sides are equipped with groove, spring (13) and ball (8) is equipped with in two grooves, spring (13) one end contacts with groove inner wall, the other end contacts with ball (8), and ball (8) diameter is less than groove width of rebate; Described main body (2) is rectangular-shaped housing structure, and its inside is holding area (10), is provided with LED luminous circuit board (6) from top to bottom and prevents from altering light trap sheet (7) in holding area (10); Described bottom (4) matches with the bottom area of main body (2), and is flexibly connected, and holding area (10) is formed confined space, and bottom (4) is provided with more than one infrared receiving tube (15); Upper cover (1), main body (2), LED luminous circuit board (6) and prevent altering light trap sheet (7) central part and be equipped with concentric circle holes, described rotating part (3) wears axle by upper cover (1), main body (2), LED luminous circuit board (6) and the concentric circle holes preventing from altering light trap sheet (7), one end is connected with knob (5), and the other end is located in holding area (10); LED luminous circuit board (6) and prevent from altering the anti-dazzling screen (11) rotating part (3) between light trap sheet (7) being also provided with and being connected in rotating part (3) outer wall, the area of anti-dazzling screen (11) is less than the area of LED luminous circuit board (6) and bottom (4); Rotating part (3) between main body (2) and upper cover (1) is also provided with the gear (12) being connected in rotating part (3) outer wall.
2. photoelectricity band switch as claimed in claim 1, is characterized in that: top, the outer of main body (2) concentric circle holes of described main body (2) are arranged with circular groove; Rotating part (3) between described main body (2) and gear (12) is provided with bearing (9), and bearing (9) is positioned at circular groove.
3. photoelectricity band switch as claimed in claim 1, it is characterized in that: described LED luminous circuit board (6) is provided with 4-7 LED light source (14), bottom (4) is provided with 4-7 infrared receiving tube (15), described infrared receiving tube (15) is consistent with LED light source (14) quantity, and position is mutually corresponding.
4. photoelectricity band switch as claimed in claim 3, is characterized in that: described in prevent altering light trap sheet (7) and be provided with equal with LED light source (14) quantity and that position is corresponding loophole.
5. the photoelectricity band switch as described in claim 1-4 any one, is characterized in that: be provided with sealing ring between described holding area (10) and bottom (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510007747.4A CN104579291A (en) | 2015-01-07 | 2015-01-07 | Photoelectricity band switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510007747.4A CN104579291A (en) | 2015-01-07 | 2015-01-07 | Photoelectricity band switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104579291A true CN104579291A (en) | 2015-04-29 |
Family
ID=53094641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510007747.4A Pending CN104579291A (en) | 2015-01-07 | 2015-01-07 | Photoelectricity band switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104579291A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130533A (en) * | 2016-08-23 | 2016-11-16 | 惠州华阳通用电子有限公司 | A kind of optoelectronic induction knob assembly |
| CN109390178A (en) * | 2018-10-23 | 2019-02-26 | 贵州振华华联电子有限公司 | A kind of band pressing high rotational life photoelectricity rotary coding switch of function |
| CN112117998A (en) * | 2020-09-16 | 2020-12-22 | 荣智工企智能技术(昆山)有限公司 | Photoelectric switch shield |
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| CN203964929U (en) * | 2014-05-12 | 2014-11-26 | 青岛天一红旗软控科技有限公司 | Rotation code-disc for a kind of scrambler |
| CN203995927U (en) * | 2014-08-19 | 2014-12-10 | 安徽江淮汽车股份有限公司 | A kind of auto meter calibrated disc |
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| CN202421202U (en) * | 2012-01-19 | 2012-09-05 | 重庆百瑞斯德科技有限公司 | High-precision rotary encoder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130533A (en) * | 2016-08-23 | 2016-11-16 | 惠州华阳通用电子有限公司 | A kind of optoelectronic induction knob assembly |
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| CN109390178A (en) * | 2018-10-23 | 2019-02-26 | 贵州振华华联电子有限公司 | A kind of band pressing high rotational life photoelectricity rotary coding switch of function |
| CN112117998A (en) * | 2020-09-16 | 2020-12-22 | 荣智工企智能技术(昆山)有限公司 | Photoelectric switch shield |
| CN112117998B (en) * | 2020-09-16 | 2023-08-04 | 荣智工企智能技术(昆山)有限公司 | Photoelectric switch shield |
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Application publication date: 20150429 |