CN215064577U

CN215064577U - U-shaped groove photoelectric sensor

Info

Publication number: CN215064577U
Application number: CN202121368592.4U
Authority: CN
Inventors: 曾小虎; 魏珊
Original assignee: Shenzhen Coolmay Intelligent Equipment Co ltd
Current assignee: Shenzhen Coolmay Intelligent Equipment Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-07
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to the technical field of sensors, in order to solve the technical problem that the production and inventory costs are too high due to the fact that a U-shaped groove photoelectric sensor in the prior art only has one indicator lamp, the utility model provides a U-shaped groove photoelectric sensor, an inclined plane is additionally arranged at the bottom of a groove body, the inclined plane is provided with a first indicator lamp and a second indicator lamp, and the first indicator lamp and the second indicator lamp are respectively connected with a circuit board; the first indicator light is used for outputting status indication, and the second indicator light is used for light indication. Adopt two lamp designs, the second pilot lamp lights when going into light, and first pilot lamp goes out when the product is in normally open state, both can solve the user to the instruction demand of product, and reduce cost reduces material stock simultaneously. Set up the first pilot lamp of an inclined plane installation and second pilot lamp alone, can dodge the testee on the one hand, prevent that the testee from touching, the human eye observation of being more convenient for on the other hand inclined plane, the vision angle is better.

Description

U-shaped groove photoelectric sensor

Technical Field

The utility model relates to a sensor technical field particularly, especially relates to a U type groove photoelectric sensor.

Background

The U-shaped groove photoelectric sensor is formed by installing a transmitting end and a receiving end on two sides of a U-shaped groove face to face, wherein the transmitting end can emit infrared light, and the receiving end can receive light under the condition of no blocking. When the moving object moves into the U-shaped groove, light is shielded, the moving object can be accurately detected, the photoelectric switch acts to output a switch control signal, and meanwhile, the product body is provided with an indicator lamp to indicate state change.

The U-shaped groove photoelectric sensor has two working states, one is light incidence, the other is light shading, when no object is shaded, the light incidence is called, and when an object is shaded, the light shading is called. The U-shaped groove photoelectric sensor comprises a normally open type and a normally closed type, wherein when light enters the U-shaped groove photoelectric sensor, the normally open type output is open, and the normally closed type output is closed; when shielded from light, the normally open output is closed and the normally closed output is open.

The product of prior art only has an pilot lamp, and the lamp is bright or the lamp is bright when hiding light in the time of going into light, to the U type groove photoelectric sensor that normal close and normally open state can set up, can't learn fast that the current state is normally open type or normally closed type, causes the inconvenience that the user used, and the product that must possess two kinds of states during production supplies the user to select, increases production material and production stock from this.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the production and inventory cost that U type groove photoelectric sensor only caused among the prior art are too high, the utility model provides a U type groove photoelectric sensor.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a U type groove photoelectric sensor, includes the cell body, the cell body includes left groove body, right groove body, circuit board and mount pad, the relative both sides of left side groove body, right groove body are provided with transmitting terminal and receiving terminal respectively, circuit board fixed mounting is in the cell body, the tank bottom of cell body is add there is the inclined plane, the inclined plane is provided with first pilot lamp and second pilot lamp, first pilot lamp, second pilot lamp with be connected with the circuit board respectively, the second pilot lamp is used for going into the light and instructs, first pilot lamp is used for the output state to instruct, and first pilot lamp is bright when being in normally closed state, and first pilot lamp goes out when being in normally open state. Set up the first pilot lamp of an inclined plane installation and second pilot lamp alone, can dodge the testee on the one hand, prevent that the testee from touching, the human eye observation of being more convenient for on the other hand inclined plane, the vision angle is better. Adopt two lamp designs, the case begins, and the second pilot lamp lights when the time of the income light, and first pilot lamp lights during normally closed state, both can solve the user to the instruction demand of product, reduce cost reduces material inventory simultaneously.

Furthermore, the left side of the left groove body and the right side of the right groove body are respectively connected with the mounting seat.

Furthermore, the front sides of the left groove body and the right groove body are connected with the mounting seat.

Further, only the front side of the left groove body is connected with the mounting seat.

Preferably, the first indicator light is a red LED, and the second indicator light is a green LED.

Furthermore, the included angle between the inclined plane and the vertical plane is between 5 degrees and 35 degrees, so that the observation by naked eyes is facilitated.

Preferably, the included angle between the inclined plane and the vertical plane is 15 degrees.

Implement the embodiment of the utility model provides a beneficial effect who brings is:

adopt two lamp designs, first pilot lamp is used for the output state to instruct, and the second pilot lamp lights during income light, and first pilot lamp is bright when being in the normally closed state, and first pilot lamp goes out when being in the normally open state, both can solve the user to the instruction demand of product, and reduce cost reduces material stock simultaneously. Set up the first pilot lamp of an inclined plane installation and second pilot lamp alone, can dodge the testee on the one hand, prevent that the testee from touching, the human eye observation of being more convenient for on the other hand inclined plane, the vision angle is better.

Drawings

Fig. 1 is a structural diagram of a U-shaped groove photoelectric sensor according to a first embodiment of the present invention;

fig. 2 is a structural diagram of a second embodiment of the U-shaped groove photoelectric sensor provided by the present invention;

fig. 3 is a structural diagram of a U-shaped groove photoelectric sensor according to a third embodiment of the present invention;

fig. 4 is a structural diagram of a U-shaped groove photoelectric sensor according to a fourth embodiment of the present invention;

fig. 5 is a schematic view of an included angle between an inclined plane and a vertical plane provided in an embodiment of the present invention;

fig. 6 is a schematic diagram of a part of a U-shaped groove photoelectric sensor provided in the embodiment of the present invention;

fig. 7 is a schematic block diagram of a U-shaped groove photoelectric sensor provided in an embodiment of the present invention.

In the figure: a left tank body 1; a right tank body 2; a bevel 3; a first indicator light 4; a second indicator light 5; a mounting seat 6; the bottom of the tank is 7; a vertical surface 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6, a U-shaped groove photoelectric sensor comprises a groove body, wherein the groove body comprises a left groove body 1, a right groove body 2, a circuit board and a mounting seat 6, wherein a transmitting end and a receiving end are respectively arranged on two opposite sides of the left groove body 1 and the right groove body 2, the circuit board is fixedly mounted in the groove body, an inclined plane 3 is additionally arranged at the groove bottom 7 of the groove body, the inclined plane 3 is provided with a first indicator lamp 4 and a second indicator lamp 5, and the first indicator lamp 4 and the second indicator lamp 5 are respectively connected with the circuit board;

the second indicator light 5 is used for indicating light, and when the U-shaped groove is not covered by an object, the second indicator light 5 is on; the first indicator light is darkened 4 to output status indication, and when the U-shaped groove is shielded by an object, the second indicator light 5 is darkened.

By adopting the design of double lamps, the second indicator lamp 5 is bright when the light enters, and the second indicator lamp 5 becomes dark when the light is shielded. The instruction demand of the user on the product can be met, the cost is reduced, and the material inventory is reduced.

In an embodiment of the present invention, the first indicator light 4 is a red LED, and the second indicator light 5 is a green LED.

To the application scene of difference, the utility model provides a U type groove photoelectric sensor of different structure types.

In the first and second embodiments of the present invention, as shown in fig. 1 and 2, the left side of the left tank body 1 and the right side of the right tank body 2 are connected to the mounting seat 6, respectively.

In the third embodiment of the present invention, as shown in fig. 3, the front sides of the left and

right groove bodies

1 and 2 are connected to the mounting seat 6.

In the fourth embodiment of the present invention, as shown in fig. 4, only the front side of the left groove body 1 is connected to the mounting seat 6.

Set up a first pilot lamp 4 of inclined plane 3 installation alone, second pilot lamp 5, can dodge the testee on the one hand, prevent that the testee from touching, on the other hand inclined plane is more convenient for the human eye and is observed, and visual angle is better, as shown in figure 5, inclined plane 3 and vertical 8 contained angle between 5 degrees to 35 degrees.

Preferably, the inclined surface 3 forms an angle of 15 degrees with the vertical surface 8.

The U-shaped groove photoelectric sensor comprises a normally open type and a normally closed type, wherein when light enters the U-shaped groove photoelectric sensor, the normally open type output is open, and the normally closed type output is closed.

Referring to fig. 6 and 7, as shown in fig. 6, the light emitting diode D3 is a light emitting device at an emitting end, the phototransistor Q3 is a receiving device at a receiving end, the phototransistor Q3 obtains a pull-up voltage through the pull-up resistor R12, when light enters, the phototransistor Q3 is turned on, the pull-up voltage is pressed into the ground, the collector of the phototransistor Q3 outputs a low level, when the light is shielded, the phototransistor Q3 is turned off, and the collector of the phototransistor Q3 outputs a high level.

The collector electrodes of the phototriode Q3 are respectively connected with the inverting input end of the voltage comparator U2, the non-inverting input end of the voltage comparator U2 is connected with a reference power source VREF used for reference, the reference power source VREF is set to be +1V, the collector electrode of the phototriode Q3 outputs 3.3V at a high level, and the collector electrode of the phototriode Q3 outputs 0V at a low level.

The output end of the voltage comparator U2 is connected with a light emitting diode D2, and the light emitting diode D2 is the second indicator light 5.

When the collector of the phototransistor Q3 outputs high level 3.3V, the voltage comparator U2 outputs low level, and the LED D2 is bright.

When the collector of the phototransistor Q3 outputs a low level of 0V, the voltage comparator U2 outputs a high level and the led D2 is not lit.

This means that in the event of light incidence, the light-emitting diode D2 is lit; when shielded from light, the led D2 is not lit.

This U type groove photoelectric sensor includes positive terminal, negative pole end, input and output, and the output mode is decided by the input connection, connects the negative pole or does not connect when normally opening, connects the positive pole when normally closed, corresponds and sets up first pilot lamp 4, and first pilot lamp is bright during normally closed state.

adopt two lamp designs, first pilot lamp is used for the output state to instruct, and the second pilot lamp is used for going into the light and instructs, both can solve the user to the instruction demand of product, reduce cost reduces material stock simultaneously. Set up the first pilot lamp of an inclined plane installation and second pilot lamp alone, can dodge the testee on the one hand, prevent that the testee from touching, the human eye observation of being more convenient for on the other hand inclined plane, the vision angle is better.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents and improvements can be made without departing from the spirit and scope of the invention.

Claims

1. A U-shaped groove photoelectric sensor comprises a groove body, wherein the groove body comprises a left groove body, a right groove body, a circuit board and a mounting seat, a transmitting end and a receiving end are respectively arranged on two opposite sides of the left groove body and the right groove body, and the circuit board is fixedly mounted in the groove body;

the first indicator light is used for outputting status indication, and the second indicator light is used for light indication.

2. The U-shaped groove photoelectric sensor according to claim 1, wherein the left side of the left groove body and the right side of the right groove body are respectively connected with the mounting seat.

3. The U-shaped groove photoelectric sensor according to claim 1, wherein the front sides of the left and right groove bodies are connected to the mounting base.

4. The U-groove photosensor of claim 1 wherein only the front side of said left groove body is connected to said mounting base.

5. The U-shaped groove photoelectric sensor according to claim 1, wherein the first indicator light is a red LED, and the second indicator light is a green LED.

6. A U-groove photoelectric sensor according to any one of claims 1 to 5, wherein the included angle between the inclined plane and the vertical plane is between 5 and 35 degrees.

7. The U-shaped groove photoelectric sensor of claim 6, wherein the included angle between the inclined plane and the vertical plane is 15 degrees.