CN107483037A - A kind of diffusing reflection formula optoelectronic switch - Google Patents
A kind of diffusing reflection formula optoelectronic switch Download PDFInfo
- Publication number
- CN107483037A CN107483037A CN201710701519.6A CN201710701519A CN107483037A CN 107483037 A CN107483037 A CN 107483037A CN 201710701519 A CN201710701519 A CN 201710701519A CN 107483037 A CN107483037 A CN 107483037A
- Authority
- CN
- China
- Prior art keywords
- diffusing reflection
- transmitting terminal
- reflection formula
- optoelectronic switch
- switch case
- 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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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/941—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector
- H03K2217/94102—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector characterised by the type of activation
- H03K2217/94108—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector characterised by the type of activation making use of reflection
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- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a kind of diffusing reflection formula optoelectronic switch, including switch case and protective housing, control panel is fixed with inside described switch case, adjuster, transmitting terminal and receiving terminal, it is cavity inside the switch case, the control panel is provided with control circuit, the transmitting terminal and receiving terminal are fixed on the side of control panel, the reception end surfaces are covered with optical filter, the adjuster is located at transmitting terminal, radial dimension is more than transmitting terminal radial dimension, the adjuster includes light-shielding structure and adjustment structure, the protective housing is body, the body edge is connected with the switch case edge of transmitting terminal and receiving terminal side.
Description
Technical field
The present invention relates to proximity switch field, more particularly to a kind of diffusing reflection formula optoelectronic switch.
Background technology
Optoelectronic switch is the abbreviation of photoelectric proximity switch, and strong and weak become of light between transmitting terminal and receiving terminal is turned into conversion electricity
The change of stream is to reach the purpose of detection.It is electrically isolated, therefore is applicable to due to optoelectronic switch output loop and input circuit
A variety of occasions, have that small volume, precision height, response speed block, detecting distance be remote and anti-light, electric and magnetic interference ability by force excellent
Point.When detection object passes through diffusing reflection formula optoelectronic switch, the light of the sufficient amount of optoelectronic switch transmitter transmitting, which reflexes to, to be connect
Device is received, optoelectronic switch produces switching signal, therefore the surface reflectivity of detecting distance and object to be detected is to determine that receiver connects
Receive the intensity size of light.
Because light has Divergent Phenomenon in transmitting, detectable substance or receiver can all receive light within the specific limits, from
And certain measurement error is caused, the adjustment of actual measurement distance is carried out not only for measurement sample during installation, while also needs root
Actual measurement distance is adjusted according to sample interval, reduces measurement error, needs to open switch case if necessary to transmitting terminal spirit
Sensitivity is adjusted, and installation is relatively complicated.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of diffusing reflection formula photoelectricity proposed is opened
Close.
To achieve these goals, present invention employs following technical scheme：A kind of diffusing reflection formula optoelectronic switch, including open
Housing and protective housing are closed, control panel, adjuster, transmitting terminal and receiving terminal are fixed with inside described switch case, it is described to open
Pass enclosure interior is cavity, and the control panel is provided with control circuit, and the transmitting terminal and receiving terminal are fixed on the one of control panel
Side, the reception end surfaces are covered with optical filter, and the adjuster is located at transmitting terminal, and radial dimension is more than transmitting terminal radial dimension,
The adjuster includes light-shielding structure and adjustment structure, and the protective housing is body, the body edge and transmitting terminal and connects
The switch case edge of receiving end side is connected.
Preferably, the transmitting terminal both sides have opening, and the opening spacing is more than transmitting terminal radial dimension, is open
Height is highly identical with switch case, the longitudinal chute to match is connected with opening, the longitudinal chute is respectively arranged on switch housing
The top and bottom of body, the light-shielding structure are two pieces of parallel shadow shields, described two pieces parallel shadow shield section sizes with
Opening matches, and in longitudinal chute, the adjustment structure is external handle, the external handle shading parallel with two pieces
Plate is connected, and front end and switch case surface are in same level when two pieces of parallel shadow shields are in original position, institute
State two pieces of parallel shadow shield ends and be provided with and be used for spacing bulge-structure, the longitudinal chute is provided with the spacing knot to match
Structure.
Preferably, the position limiting structure is limited post, and on the outside of longitudinal chute, the limited post is located at longitudinal chute two
At/mono-.
Preferably, two pieces of parallel shadow shields are covered with black cloth.
Preferably, the switch case upper surface is provided with bar hole, and the external handle includes handle position and connecting portion
Position, the connecting portion is connecting rod, and both ends are individually fixed in two pieces of parallel shadow shield postmedians, connecting rod midpoint and handle
Position is connected, and the handle position is fixed in switch case by bar hole.
Preferably, the bar hole is covered with the mobile cover plate for sealing bar hole, the mobile cover plate and handle position
It is seamless to be connected.
Preferably, the optical filter is the infrared fileter of filtering natural light, and material is the saturating infrared filter of plastic cement.
Preferably, the transmitting terminal is the infrared transmitting tube provided with radiating circuit, and the receiving terminal is provided with receiving circuit
With the phototriode of signal processing circuit.
Preferably, the protective housing is black.
Preferably, the switch case is cuboid.The beneficial effects of the invention are as follows：
1）Installation facility, the adjustment of actually detected distance can be carried out by adjuster outside switch case, save opening switch
Housing carries out the operation of transmitting terminal sensitivity, improves the convenience of installation operation；
2）Reduce environmental error, by the infrared filter of receiving terminal surface filtration natural light, reduce ambient light to diffusing reflection
The interference of formula receiving terminal, improve the accuracy of diffusing reflection formula optoelectronic switch measurement；
3）Sealing is good, reduces switch case light leak error to caused by measurement.
Brief description of the drawings
Fig. 1 is a kind of structural representation of diffusing reflection formula optoelectronic switch proposed by the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1, a kind of diffusing reflection formula optoelectronic switch, including switch case 1 and protective housing 5, described switch case 1
Inside is fixed with control panel, adjuster, transmitting terminal 4 and receiving terminal 5, it is characterised in that：The inside of switch case 1 is cavity,
The control panel is provided with control circuit, and the transmitting terminal 4 and receiving terminal 5 are fixed on the side of control panel, the table of receiving terminal 5
Face is covered with optical filter, and the adjuster is located at transmitting terminal 4, and radial dimension is more than the radial dimension of transmitting terminal 4, and the adjuster includes
Light-shielding structure and adjustment structure, the protective housing 2 are body, the body edge and transmitting terminal 4 and the side of receiving terminal 5
The edge of switch case 2 be connected.
A kind of diffusing reflection formula optoelectronic switch, the both sides of transmitting terminal 4 have opening 3, and 3 spacing of the opening are more than hair
4 radial dimensions of end are penetrated, open height is highly identical with switch case 1, and the longitudinal chute to match, the longitudinal direction are connected with opening
Chute is respectively arranged on the top and bottom of switch case 1, and the light-shielding structure is two pieces of parallel shadow shields 6, and described two pieces flat
The capable section size of shadow shield 6 matches with opening 3, and in longitudinal chute, the adjustment structure is external handle 7, described
External handle 7 shadow shield 6 parallel with two pieces is connected, for driving two pieces of parallel shadow shields 6 to be moved up in the longitudinal chute
Dynamic, front end and the surface of switch case 1 are described in same level when described two pieces parallel shadow shields 6 are in original position
Two pieces of parallel shadow shields 6 are moved to outside switch case 1 when moving by opening 3, and the described two pieces parallel ends of shadow shield 6 are provided with
For spacing bulge-structure, the longitudinal chute is provided with the position limiting structure to match, and two pieces of parallel shadow shields 6 are to transmitting
The scattering light sent is held to carry out certain correction, so as to reduce measurement error, during installation, the fixed diffusing reflection formula optoelectronic switch
Afterwards, mobile external handle carries out the adjustment of two pieces of parallel distances of shadow shield 6, you can completes the adjustment of actual measurement distance.
A kind of diffusing reflection formula optoelectronic switch, the position limiting structure are limited post, on the outside of longitudinal chute, are used by stopping
Screens is carried out to the shadow shield 6 in spacing bulge-structure, two pieces of parallel shadow shields 6 depart from switch during preventing adjustment
Housing 1, the limited post are located at longitudinal chute half.
A kind of diffusing reflection formula optoelectronic switch, described two pieces parallel shadow shields 6 are covered with the opaque black cloth of black cloth
Itself reflectivity is only 3%, is suitable to act as detecting the background material of sample, reduces described two pieces parallel shadow shields 6 itself
The interference that reflective light belt comes.
A kind of diffusing reflection formula optoelectronic switch, the upper surface of switch case 1 are provided with bar hole 8, and the external handle 7 includes
Handle position and connecting portion, the connecting portion is connecting rod, after both ends are individually fixed in two pieces of parallel shadow shields 6
Portion, connecting rod midpoint are connected with handle position, and the handle position is fixed in switch case 1 by bar hole 8, by bar
The shadow shield 6 that two pieces of the mobile drive in shape hole 8 is parallel moves in longitudinal chute.
A kind of diffusing reflection formula optoelectronic switch, the bar hole 8 are covered with the mobile cover plate 9 for sealing bar hole 8, the shifting
Dynamic cover plate 9 with handle position is seamless is connected, switch case 1 is still in sealing when ensure that handle position movement by moving cover plate
State, reduce the interference that light leak is measured the diffusing reflection formula optoelectronic switch.
A kind of diffusing reflection formula optoelectronic switch, the optical filter are the infrared filter for filtering natural light, pass through infrared absorption filter
Mirror is through infrared light filtering natural light, interference of the reflected light to receiving terminal 5 caused by reduction environment light source, the infrared filter
Material can be the saturating infrared filter of plastic cement.
A kind of diffusing reflection formula optoelectronic switch, the transmitting terminal 4 are the infrared transmitting tube provided with radiating circuit, the receiving terminal
5 be the phototriode provided with receiving circuit and signal processing circuit.
A kind of diffusing reflection formula optoelectronic switch, the protective housing 2 are black.
A kind of diffusing reflection formula optoelectronic switch, the switch case 1 are cuboid.
A kind of diffusing reflection formula optoelectronic switch, the adjuster light-shielding structure can also be shading cylinder, the adjustment structure bag
Rotating base, spring, pillar and knob are included, the knob is connected inside the outside of switch case 1, the knob with spring,
The spring connects rotating base, and the rotating base is round platform, and the pillar is installed on rotating base center, and the pillar connects
Transmitting terminal is connect, the shading cylinder is connected with rotating base, and the switch case 1 is provided with what is matched with shading cylinder in outside
Looping pit, by turn knob, extension and contraction control is carried out to shading cylinder by rotating base under the action of the spring, adjustment is actual
Detecting distance.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of diffusing reflection formula optoelectronic switch, including switch case (1) and protective housing (5), described switch case (1) is internal
It is fixed with control panel, adjuster, transmitting terminal (4) and receiving terminal (5), it is characterised in that：It is sky inside the switch case (1)
Chamber, the control panel are provided with control circuit, and the transmitting terminal (4) and receiving terminal (5) are fixed on the side of control panel, described to connect
Receiving end (5) surface is covered with optical filter, and the adjuster is located at transmitting terminal (4), and radial dimension is more than transmitting terminal (4) radial dimension,
The adjuster includes light-shielding structure and adjustment structure, and the protective housing (2) is body, the body edge and transmitting terminal
(4) it is connected with switch case (2) edge of receiving terminal (5) side.
A kind of 2. diffusing reflection formula optoelectronic switch according to claim 1, it is characterised in that transmitting terminal (4) the both sides difference
Opening (3) is provided with, described opening (3) spacing is more than transmitting terminal (4) radial dimension, open height and switch case (1) height phase
Together, the longitudinal chute to match is connected with opening, the longitudinal chute is respectively arranged on the top and bottom of switch case (1), institute
It is two pieces of parallel shadow shields (6), two pieces of parallel shadow shields (6) section size and opening (3) phase to state light-shielding structure
Match somebody with somebody, in longitudinal chute, the adjustment structure is external handle (7), the external handle (7) shadow shield parallel with two pieces
(6) it is connected, front end and switch case (1) surface are in same level when two pieces of parallel shadow shields (6) are in original position
On face, two pieces of parallel shadow shields (6) end, which is provided with, is used for spacing bulge-structure, and the longitudinal chute is provided with phase
The position limiting structure matched somebody with somebody.
A kind of 3. diffusing reflection formula optoelectronic switch according to claim 2, it is characterised in that the position limiting structure is limited post,
On the outside of longitudinal chute, the limited post is located at longitudinal chute half.
A kind of 4. diffusing reflection formula optoelectronic switch according to claim 2, it is characterised in that two pieces of parallel shadow shields
(6) it is covered with black cloth.
A kind of 5. diffusing reflection formula optoelectronic switch according to claim 2, it is characterised in that switch case (1) upper surface
It is provided with bar hole (8), the external handle (7) includes handle position and connecting portion, and the connecting portion is connecting rod, both ends
Two pieces of parallel shadow shield (6) postmedians are individually fixed in, connecting rod midpoint is connected with handle position, and the handle position passes through
Bar hole (8) is fixed in switch case (1).
6. a kind of diffusing reflection formula optoelectronic switch according to claim 5, it is characterised in that the bar hole (8), which is covered with, to be used for
Seal the mobile cover plate (9) of bar hole (8), the mobile cover plate (9) with handle position is seamless is connected.
7. a kind of diffusing reflection formula optoelectronic switch according to claim 1, it is characterised in that the optical filter is filtering natural light
Infrared fileter, material is the saturating infrared filter of plastic cement.
8. a kind of diffusing reflection formula optoelectronic switch according to claim 1, it is characterised in that the transmitting terminal (4) is provided with hair
The infrared transmitting tube of transmit-receive radio road, the receiving terminal (5) are the phototriode provided with receiving circuit and signal processing circuit.
9. a kind of diffusing reflection formula optoelectronic switch according to claim 1, it is characterised in that the protective housing (2) is black.
10. a kind of diffusing reflection formula optoelectronic switch according to claim 1, it is characterised in that the switch case (1) is rectangular
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701519.6A CN107483037B (en) | 2017-08-16 | 2017-08-16 | Diffuse reflection type photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701519.6A CN107483037B (en) | 2017-08-16 | 2017-08-16 | Diffuse reflection type photoelectric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107483037A true CN107483037A (en) | 2017-12-15 |
| CN107483037B CN107483037B (en) | 2020-05-05 |
Family
ID=60599756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710701519.6A Active CN107483037B (en) | 2017-08-16 | 2017-08-16 | Diffuse reflection type photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107483037B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109875572A (en) * | 2018-11-09 | 2019-06-14 | 唐庆圆 | A kind of physiological parameter measurement mechanism and method |
| CN111842183A (en) * | 2020-07-27 | 2020-10-30 | 深圳市维图视技术有限公司 | Bottle body detection device and bottle body detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006238185A (en) * | 2005-02-25 | 2006-09-07 | Keyence Corp | Light projection head for photoelectric switch |
| CN201181932Y (en) * | 2007-12-26 | 2009-01-14 | 德中利德(天津)生物技术有限公司 | Photoelectric switch capable of regulating direction |
| CN105141299A (en) * | 2015-08-07 | 2015-12-09 | 中国建材国际工程集团有限公司 | Photoelectric switch installation adjusting system |
| CN204906352U (en) * | 2015-09-08 | 2015-12-23 | 毛维芳 | Diffuse reflection photoelectric switch |
| CN106059554A (en) * | 2016-05-30 | 2016-10-26 | 宁波星宇极光传感科技有限公司 | Diffuse reflection photoelectric switch |
-
2017
- 2017-08-16 CN CN201710701519.6A patent/CN107483037B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006238185A (en) * | 2005-02-25 | 2006-09-07 | Keyence Corp | Light projection head for photoelectric switch |
| CN201181932Y (en) * | 2007-12-26 | 2009-01-14 | 德中利德(天津)生物技术有限公司 | Photoelectric switch capable of regulating direction |
| CN105141299A (en) * | 2015-08-07 | 2015-12-09 | 中国建材国际工程集团有限公司 | Photoelectric switch installation adjusting system |
| CN204906352U (en) * | 2015-09-08 | 2015-12-23 | 毛维芳 | Diffuse reflection photoelectric switch |
| CN106059554A (en) * | 2016-05-30 | 2016-10-26 | 宁波星宇极光传感科技有限公司 | Diffuse reflection photoelectric switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109875572A (en) * | 2018-11-09 | 2019-06-14 | 唐庆圆 | A kind of physiological parameter measurement mechanism and method |
| CN111842183A (en) * | 2020-07-27 | 2020-10-30 | 深圳市维图视技术有限公司 | Bottle body detection device and bottle body detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107483037B (en) | 2020-05-05 |
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