CN202393399U - Diffuse reflection type photoelectric sensor - Google Patents
Diffuse reflection type photoelectric sensor Download PDFInfo
- Publication number
- CN202393399U CN202393399U CN2011205466921U CN201120546692U CN202393399U CN 202393399 U CN202393399 U CN 202393399U CN 2011205466921 U CN2011205466921 U CN 2011205466921U CN 201120546692 U CN201120546692 U CN 201120546692U CN 202393399 U CN202393399 U CN 202393399U
- Authority
- CN
- China
- Prior art keywords
- circuit
- controller
- photoelectric sensor
- reflection type
- diffuse reflection
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to a sensor and provides a diffuse reflection type photoelectric sensor which is high in reliability, long in service life, compact in structure and small in volume. The diffuse reflection type photoelectric sensor comprises a front cover, a tube shell and a rear cover, wherein the front cover and the rear cover are arranged at the two ends of the tube shell; and the rear cover is provided with a light passing piece. The diffuse reflection type photoelectric sensor also comprises an integrated circuit board arranged in the tube shell, wherein the integrated circuit board comprises a voltage stabilizing circuit, a controller, an infrared transmitting circuit, an infrared receiving circuit, a bright on or dark on selecting circuit, a power-on time delay circuit, a short-circuit protection circuit and an indicator lamp; the voltage stabilizing circuit is connected to a power supply input end of the controller; the infrared transmitting circuit is connected to a pulse output end of the controller; a signal input end of the controller is connected to the infrared receiving circuit; the bright on or dark on selecting circuit is connected to an output selection port of the controller; the output of the controller is connected to the power-on time delay circuit; the power-on time delay circuit is further connected to the short-circuit protection circuit; and the short-circuit protection circuit is further connected to the indicator lamp.
Description
Technical field
The utility model relates to a kind of sensor, particularly a kind of diffuse reflection type photoelectric sensor.
Background technology
Photoelectric sensor belongs to the non-contact type detecting sensor, and it detects distance than broad, be used for the having or not of inspected object, distance and character etc., so it is widely used in the industrial automation arrangement field.
Photoelectric sensor is to utilize detected material to the blocking or reflect of light beam, and by the synchronization loop gating circuit, thereby inspected object has or not.Object is not limited to metal, and the object of all ability reflection rays all can be to be detected.Photoelectric sensor converts input current into light signal and penetrates on transmitter, receiver is again according to the strong and weak of the light that receives or there is unmatchful target object to survey.
Existing photoelectric sensor is made up of transmitter, receiver and testing circuit three parts.The transmitter emission light beam that aims at the mark; Emitted light beams generally derives from semiconductor light sources, light emitting diode, laser diode and infrared-emitting diode; Light beam is launched incessantly; Perhaps change pulse width, receive pulse modulated light beam radiation intensity in emission through repeatedly selecting, towards operation indirectly of target.Receiver is made up of photodiode or phototriode, photoelectric cell, in the front of receiver, optical element such as lens and aperture etc. is housed, its back be testing circuit, it can leach useful signal and use this signal.In addition; Also have triangle reflecting plate and light transmitting fiber in the structural detail of photoelectric sensor, the triangle reflecting plate is well-set emitter, and light beam is returned from reflecting plate exactly; It can change emission angle in the scope with optical axis 0 to 25; Making light beam almost is from an emission line, after reflection, still returns from this root reflected ray.
Above-mentioned photoelectric sensor can be accurately detects the having or not of object, distance and character etc., but structure is comparatively complicated, and lacks the setting of holding circuit; Reliability is not high; Serviceable life is short and volume is big, occupies more space in the time of use, uses inconvenience.
Summary of the invention
Therefore, to above-mentioned problem, the utility model proposes that a kind of structural design is simple, reliability is high, long service life, integrated level are high, compact conformation and the little diffuse reflection type photoelectric sensor of volume.
For realizing above-mentioned technical matters; The solution that the utility model is taked is: a kind of diffuse reflection type photoelectric sensor, comprise protecgulum, shell and bonnet, said protecgulum with after be covered on the two ends of shell; Be covered with logical mating plate after said; Also comprise the surface-mounted integrated circuit of being located in the shell, said surface-mounted integrated circuit comprises mu balanced circuit, controller, infrared transmitter, infrared radiation receiving circuit, bright logical or help secretly and select circuit, the delay circuit that powers on, short-circuit protection circuit and pilot lamp, and wherein mu balanced circuit is connected with the power input of controller; Infrared transmitter is connected with the pulse output end of controller; The signal input part of controller is connected with infrared radiation receiving circuit, and bright logical or help secretly and select circuit to select port to be connected with the output of controller, controller is exported and is connected with the delay circuit that powers on; The delay circuit that powers on is connected with short-circuit protection circuit again, and short-circuit protection circuit is connected with pilot lamp again.
Further be: said shell one end has through hole, and said pilot lamp is arranged on the through hole.
Further be: also comprise nut, the outer wall of said shell is provided with and the corresponding screw thread of nut, and said nut is through the screw thread on the shell, being sheathed on the shell of movable.
Further be: be covered with the cavity volume that holds infrared emission tube after said, the terminals of said infrared emission tube are connected with surface-mounted integrated circuit, and said infrared emission tube is located in the cavity volume of bonnet.
Through adopting the aforementioned techniques scheme, the beneficial effect of the utility model is: the diffuse reflection type photoelectric sensor that designs as stated, and structural design is simple; Also being provided with in the integrated circuit powers on extends the circuit protection setting with short-circuit protection, shows picture if short circuit etc. occurs, can circuit be protected; Increase the service life, but also be provided with pilot lamp, can observe the working condition of said diffuse reflection type photoelectric sensor during use through pilot lamp; Said diffuse reflection type photoelectric sensor reliability is high, and overall construction design is compact, and structure cohesion is tight; Volume is little, can not take when use installing that too large tracts of land is easy to use.
Description of drawings
Fig. 1 is the theory diagram of the surface-mounted integrated circuit of the utility model embodiment.
Fig. 2 is the cut-open view of the utility model embodiment.
Fig. 3 is the front view of the utility model embodiment.
Embodiment
Combine accompanying drawing and specific embodiment that the utility model is further specified at present.
Referring to figs. 1 to Fig. 3; A kind of diffuse reflection type photoelectric sensor comprises protecgulum 1, shell 2 and bonnet 3, and said protecgulum 1 and bonnet 3 are located at the two ends of shell 2; Said bonnet 3 is provided with logical mating plate 4; Also comprise the surface-mounted integrated circuit of being located in the shell 25, said surface-mounted integrated circuit 5 comprises mu balanced circuit 51, controller 52, infrared transmitter 53, infrared radiation receiving circuit 54, bright logical or help secretly and select circuit 55, the delay circuit 56 that powers on, short-circuit protection circuit 57 and pilot lamp 58, and wherein mu balanced circuit 51 is connected with the power input of controller 52; Infrared transmitter 53 is connected with the pulse output end of controller 52; The signal input part of controller 52 is connected with infrared radiation receiving circuit 54, and bright logical or help secretly and select circuit 55 to select port to be connected with the output of controller 52, controller 52 is exported and is connected with the delay circuit 56 that powers on; The delay circuit 56 that powers on is connected with short-circuit protection circuit 57 again, and short-circuit protection circuit 57 is connected with pilot lamp 58 again.
After the said diffuse reflection type photoelectric sensor energized, power supply is through mu balanced circuit 51, and 51 pairs of voltages of mu balanced circuit carry out voltage stabilizing to be handled; Be transported to stable voltage in the controller 52, guarantee the work that circuit can be stable, after the voltage input; Controller 52 produces pulse output; Trigger infrared transmitter 53 and carry out ultrared emission, when the infrared ray of emission was mapped to detected material, detected material returned infrared reflection the infrared radiation receiving circuit 54 of diffuse reflection type photoelectric sensing; Infrared radiation receiving circuit 54 produces high low logic level according to the infrared signal that receives; Be input to and carry out the logical operation processing in the controller 52, and the output of the logical signal after will handling, bright logical signal logical or that help secretly after selecting circuit 55 bases through processing carries out executable operations; Also through delay circuit 56 and the short-circuit protection circuit 57 of powering on, make pilot lamp 58 carry out work after the logical signal output after the processing according to signal.
Said shell 2 one ends have through hole 21, and said pilot lamp 58 is arranged on the through hole 21, can observe the situation of the pilot lamp 58 of surface-mounted integrated circuit 5 through through hole 21, can judge that whether said diffuse reflection type photoelectric sensor is in operate as normal.Said diffuse reflection type photoelectric sensor also comprises nut 6, and the outer wall of said shell 2 is provided with and nut 6 corresponding screw threads 22, and said nut 6 is through the screw thread 22 on the shell 2, being sheathed on the shell 2 of movable.Said bonnet 3 is provided with the cavity volume 31 that holds infrared emission tube 7, and the terminals of said infrared emission tube 7 are connected with surface-mounted integrated circuit 5, and said infrared emission tube 7 is located in the cavity volume 31 of bonnet 3.
In sum, said diffuse reflection type photoelectric sensor, structural design is simple; Also being provided with in the integrated circuit powers on extends the circuit protection setting with short-circuit protection, shows picture if short circuit etc. occurs, can circuit be protected; Increase the service life, but also be provided with pilot lamp, can observe the working condition of said diffuse reflection type photoelectric sensor during use through pilot lamp; Said diffuse reflection type photoelectric sensor reliability is high, and overall construction design is compact, and structure cohesion is tight; Volume is little, can not take when use installing that too large tracts of land is easy to use.
The above record is merely the embodiment that utilizes this origination techniques content, anyly is familiar with modification, the variation that this creation of this art utilization is done, and all belongs to the claim of this creation opinion, and is not limited to embodiment announcement person.
Claims (4)
1. diffuse reflection type photoelectric sensor; Comprise protecgulum, shell and bonnet; Said protecgulum with after be covered on the two ends of shell, be covered with logical mating plate after said, it is characterized in that: also comprise the surface-mounted integrated circuit of being located in the shell; Said surface-mounted integrated circuit comprises mu balanced circuit, controller, infrared transmitter, infrared radiation receiving circuit, bright logical or help secretly and select circuit, the delay circuit that powers on, short-circuit protection circuit and pilot lamp; Wherein mu balanced circuit is connected with the power input of controller, and infrared transmitter is connected with the pulse output end of controller, and the signal input part of controller is connected with infrared radiation receiving circuit; Bright logical or help secretly and select circuit to be connected with the output selection port of controller; Controller output is connected with the delay circuit that powers on, and the delay circuit that powers on is connected with short-circuit protection circuit again, and short-circuit protection circuit is connected with pilot lamp again.
2. diffuse reflection type photoelectric sensor according to claim 1 is characterized in that: said shell one end has through hole, and said pilot lamp is arranged on the through hole.
3. diffuse reflection type photoelectric sensor according to claim 1 is characterized in that: also comprise nut, said shell outer wall is provided with and the corresponding screw thread of nut, and said nut is through the screw thread on the shell, being sheathed on the shell of movable.
4. diffuse reflection type photoelectric sensor according to claim 3; It is characterized in that: be covered with the cavity volume that holds infrared emission tube after said; The terminals of said infrared emission tube are connected with surface-mounted integrated circuit, and said infrared emission tube is located in the cavity volume of bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205466921U CN202393399U (en) | 2011-12-23 | 2011-12-23 | Diffuse reflection type photoelectric sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205466921U CN202393399U (en) | 2011-12-23 | 2011-12-23 | Diffuse reflection type photoelectric sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393399U true CN202393399U (en) | 2012-08-22 |
Family
ID=46668317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205466921U Expired - Fee Related CN202393399U (en) | 2011-12-23 | 2011-12-23 | Diffuse reflection type photoelectric sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211287A (en) * | 2018-08-29 | 2019-01-15 | 淮阴师范学院 | Optoelectronic film crystal detection sensor |
-
2011
- 2011-12-23 CN CN2011205466921U patent/CN202393399U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211287A (en) * | 2018-08-29 | 2019-01-15 | 淮阴师范学院 | Optoelectronic film crystal detection sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210033704A1 (en) | Adaptive laser power and ranging limit for time of flight sensor | |
| CN101216562A (en) | Laser distance measuring system | |
| CN201181336Y (en) | Long-distance scattered reflection type photoelectric sensor | |
| JP6264934B2 (en) | Photoelectric sensor | |
| CN106059554A (en) | Diffuse reflection photoelectric switch | |
| CN201583673U (en) | Photoelectric transducer | |
| CN202393399U (en) | Diffuse reflection type photoelectric sensor | |
| CN204906349U (en) | Correlation formula photoelectric switch | |
| CN205647483U (en) | Correlation formula photoelectric switch | |
| US7869048B2 (en) | Photoelectonic sensor | |
| RU54450U1 (en) | SMOKE FIRE DETECTOR | |
| US20130015771A1 (en) | Laser pointer with function of automatically adjusting light intensity | |
| CN210405261U (en) | Photoelectric correlation switch | |
| CN203632637U (en) | Anti-interference photoelectric switch | |
| CN105978545B (en) | A kind of correlation optoelectronic switch | |
| CN105897237A (en) | Regression reflection photoelectric switch | |
| CN205666813U (en) | Retro -reflection formula photoelectric switch | |
| CN202424668U (en) | High-precision photoelectric switch | |
| CN205647484U (en) | Diffuse reflection photoelectric switch | |
| CN104704745A (en) | Multiple function arrangement for electronic apparatus and method thereof | |
| CN203880567U (en) | Illumination and/or signal indication device for motor vehicle and motor vehicle | |
| CN202424669U (en) | Photoelectric switch with radiating slots | |
| CN206378272U (en) | A kind of power monitor device of high power semiconductor pump source ageing system | |
| CN104883174A (en) | Key, terminal device and method for determining key stroke | |
| CN202835063U (en) | Collimation lighting appliance for multi-band imitative laser light source testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |