CN210293247U

CN210293247U - Photoelectric sensor capable of emitting light at multiple points and receiving light at multiple points

Info

Publication number: CN210293247U
Application number: CN201921151191.6U
Authority: CN
Inventors: 于学军
Original assignee: Tianjin Sen Joy Electronic Technology Co ltd
Current assignee: Tianjin Sen Joy Electronic Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-10
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a multiple spot transmission and multiple spot receiving photoelectric sensor, which comprises a housin, the up end of casing is provided with the transmission window, and the inboard of casing is provided with the launching cradle, the upper end card of launching cradle is in the transmission window, the inboard below that is located the launching cradle of casing is provided with the circuit board, and the circuit board upper surface is provided with at least one transmitting tube, the lower terminal surface of launching cradle be provided with the sleeve pipe of transmitting tube one-to-one, and the upper surface of launching cradle be provided with the mounting hole that just is linked together with the sleeve pipe one-to-one, the ann has inserted single convex lens in the mounting hole. The utility model discloses in through the great reinforcing of a plurality of transmitting tubes that set up the signal transmission intensity of transmitting tube to a plurality of receiver tubes that correspond with the transmitting tube through the setting then strengthen signal reception's ability greatly, thereby increased photoelectric sensor's detection distance, can realize the detection of remote object.

Description

Photoelectric sensor capable of emitting light at multiple points and receiving light at multiple points

Technical Field

The utility model relates to a photoelectric sensor technical field specifically is a photoelectric sensor is received to multiple spot transmission and multiple spot.

Background

The photoelectric sensor is a sensor using a photoelectric element as a detection element. It first converts the measured changes into changes in the optical signal and then further converts the optical signal into an electrical signal by means of an opto-electronic element. The photoelectric sensor generally consists of three parts, namely a light source, an optical path and a photoelectric element.

The applicant of the utility model finds that the correlation type photoelectric switch is composed of a transmitter and a receiver, and the working principle is as follows: the light that sends through the transmitter directly gets into the receiver, when being detected the object and block light between transmitter and receiver, photoelectric switch just produces switching signal, the transmitter or the receiver of correlation formula photoelectric sensor on the existing market all comprise a emitting diode, so can be called single-point transmission or single-point reception, so its mode is only one, single-point transmission is received to the single-point, single-point transmission is to the correlation formula sensor of single-point reception, all there is fixed nominal detection distance, exceed this nominal scope, can't realize detecting remote object.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photoelectric sensor is received with multiple spot to multiple spot transmission aims at improving the unable problem that realizes detecting remote object of current photoelectric sensor detection distance.

The utility model discloses a realize like this:

the utility model provides a photoelectric sensor of multiple spot transmission and multiple spot receipt, which comprises a housin, the up end of casing is provided with emission window, and the inboard of casing is provided with the launching cradle, the upper end card of launching cradle is in emission window, the inboard below that is located the launching cradle of casing is provided with the circuit board, and the circuit board upper surface is provided with at least one transmitting tube, the lower terminal surface of launching cradle is provided with the sleeve pipe with the transmitting tube one-to-one, and the upper surface of launching cradle is provided with the mounting hole that just is linked together with the sleeve pipe one-to-one, single convex lens has been inserted to the ann in the mounting hole, the signal emission intensity of transmitting tube through the great reinforcing of a plurality of transmitting tubes that set up, and then strengthen signal reception's ability greatly through a plurality of receiving tubes that set up correspond with the transmitting tube, thereby photoelectric sensor's detection distance has.

Furthermore, a step groove is formed in the edge of an opening of the front end face of the shell, a cover plate is clamped on the step groove, and the cover of the shell is sealed through the arranged cover plate.

Furthermore, the left end of the shell is provided with a lampshade, a positioning column is arranged on the surface of the lampshade close to the upper end of the surface of the lampshade, an installation hole matched with the positioning column is formed in the left end face of the shell, the power indicator lamp head can be exposed through the arranged lampshade, and the state that a green lamp is on or off can be seen from the outside.

Furthermore, the left end face of the shell is located below the installation jack and is provided with a yielding hole, a power indicator lamp is inserted into the yielding hole, and whether the photoelectric sensor is started or not can be known through the set power indicator lamp.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in through the great reinforcing of a plurality of transmitting tubes that set up the signal transmission intensity of transmitting tube to a plurality of receiver tubes that correspond with the transmitting tube through the setting then strengthen signal reception's ability greatly, thereby increased photoelectric sensor's detection distance, can realize the detection of remote object.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a multiple-point emitting and multiple-point receiving photoelectric sensor of the present invention;

fig. 2 is an exploded view of a multiple spot emitting and multiple spot receiving photoelectric sensor of the present invention;

fig. 3 is a schematic view of a lamp housing of a multiple spot emitting and multiple spot receiving photoelectric sensor of the present invention;

fig. 4 is a schematic view of a housing of a multiple-point emitting and multiple-point receiving photoelectric sensor of the present invention;

fig. 5 is a schematic view of a launcher of a multipoint emitting and multipoint receiving photoelectric sensor of the present invention.

In the figure: 1. a housing; 101. an emission window; 102. a hole of abdication; 103. a step groove; 2. a launcher; 21. mounting holes; 22. a sleeve; 3. a circuit board; 4. a single convex lens; 5. a launch tube; 6. a lamp shade; 61. a positioning column; 7. and (7) a cover plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, referring to fig. 1, fig. 2 and fig. 5 specifically, a multipoint transmitting and multipoint receiving photoelectric sensor includes a housing 1, a transmitting window 101 is disposed on an upper end surface of the housing 1, a transmitting rack 2 is disposed on an inner side of the housing 1, an upper end portion of the transmitting rack 2 is clamped in the transmitting window 101, a circuit board 3 is disposed on an inner side of the housing 1 below the transmitting rack 2, at least one transmitting tube 5 is disposed on an upper surface of the circuit board 3, sleeves 22 corresponding to the transmitting tubes 5 are disposed on a lower end surface of the transmitting rack 2, mounting holes 21 corresponding to and communicating with the sleeves 22 are disposed on an upper surface of the transmitting rack 2, a single convex lens 4 is inserted in the mounting hole 21, signal transmitting strength of the transmitting tube 5 is greatly enhanced by the plurality of transmitting tubes 5, and signal receiving capability is greatly enhanced by the plurality of receiving tubes corresponding to the transmitting tubes, therefore, the detection distance of the photoelectric sensor is increased, and the detection of a remote object can be realized.

Referring to fig. 4 specifically, a stepped groove 103 is arranged at an opening edge of a front end face of the casing 1, a cover plate 7 is clamped on the stepped groove 103, the casing 1 is covered and sealed by the arranged cover plate 7, a yielding hole 102 is arranged below the mounting hole on the left end face of the casing 1, a power indicator is mounted in the yielding hole 102, and whether the photoelectric sensor is started or not can be known through the arranged power indicator.

Referring to fig. 3, a lamp shade 6 is disposed at the left end of the housing 1, a positioning column 61 is disposed on a surface of the lamp shade 6 near the upper end, and an insertion hole matched with the positioning column 61 is disposed on the left end surface of the housing 1, so that the power indicator head can be exposed through the lamp shade 6, and the on-off state of the green light can be seen from the outside.

Working principle when using the utility model discloses time switch on, the power green light lights, makes transmitting tube 5 give off light through the circuit, and the light that sends forms more concentrated light beam through the convergence of single convex lens 4, and a plurality of transmitting tube 5 send out multichannel light beam, and the light beam is more, and then the signal of transmitting end transmission is stronger, if the receiving terminal is a plurality of receiver tubes, the ability of receiving is just stronger, and detection distance is just bigger.

The device obtained by the design can basically meet the requirements that the detection distance of the existing photoelectric sensor can be adjusted and the use which can cause deviation in long-time use can be avoided, but the designer further improves the device by aiming at further perfecting the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multiple-point emitting and multiple-point receiving photoelectric sensor comprising a housing (1), characterized in that: the up end of casing (1) is provided with emission window (101), and the inboard of casing (1) is provided with launcher (2), the upper end card of launcher (2) is in emission window (101), the inboard below that is located launcher (2) of casing (1) is provided with circuit board (3), and circuit board (3) upper surface is provided with at least one transmitting tube (5), the lower terminal surface of launcher (2) is provided with sleeve pipe (22) with transmitting tube (5) one-to-one, and the upper surface of launcher (2) is provided with mounting hole (21) that just are linked together with sleeve pipe (22) one-to-one, single convex lens (4) have been inserted in mounting hole (21).

2. A multipoint emission and multipoint reception photoelectric sensor according to claim 1, wherein the front end opening edge of the housing (1) is provided with a step groove (103), and the step groove (103) is clamped with the cover plate (7).

3. The multi-point emitting and multi-point receiving photoelectric sensor as claimed in claim 2, wherein a lampshade (6) is disposed at the left end of the housing (1), a positioning column (61) is disposed on the surface of the lampshade (6) near the upper end, and an installation hole matched with the positioning column (61) is disposed on the left end face of the housing (1).

4. The multipoint emitting and multipoint receiving photoelectric sensor according to claim 3, wherein the housing (1) is provided with an abdicating hole (102) at a position below the safety hole, and a power indicator lamp is inserted in the abdicating hole (102).