CN210118632U

CN210118632U - Safety light curtain capable of emitting and receiving light from side surface

Info

Publication number: CN210118632U
Application number: CN201920867719.3U
Authority: CN
Inventors: 杨勇; 贾利
Original assignee: Shenzhen Espe Technology Co Ltd
Current assignee: Shenzhen Espe Technology Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-02-28
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a side-emitting and receiving safety light curtain, which comprises a shell with an opening on one side; be equipped with the fixed slot in the shell, install the PCB board in the fixed slot, the PCB board is connected with infrared lamp pearl, and infrared lamp pearl's head is towards the opening side in the shell to the light emitting area that makes infrared lamp pearl and the side that receives the face and all be in the shell. The utility model provides a pair of safe light curtain of luminous receipt in side sets up the opening through the side at the shell, and the head of infrared lamp pearl is towards the opening side in the shell, has realized the purpose of edgewise luminous and receipt, has effectively dealt with the mechanical equipment that needs the edgewise to set a light. In addition, the shell is in a rectangular flat shape, and a limiting sliding groove is formed in an opening of the shell, so that the whole structure is small, the occupied space is small, and the installation of the optical filter is convenient.

Description

Safety light curtain capable of emitting and receiving light from side surface

Technical Field

The utility model relates to a safe light curtain field, the more specifically safe light curtain that side is luminous to be received that says so.

Background

At present, many domestic safety light curtains mainly adopt a front light-emitting receiving mode, and the whole structure occupies a large space. The existing front-emitting opposite-light curtain cannot meet the requirement of the mechanical equipment because the mechanical equipment is limited by the structure, so that the requirement of the light curtain for side light is required, and the size requirement in the thickness direction cannot be too thick.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide a safe light curtain of luminous receipt in side.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a safety light curtain with side light emitting and receiving functions comprises a shell with an opening on one side; be equipped with the fixed slot in the shell, install the PCB board in the fixed slot, the PCB board is connected with infrared lamp pearl, the head of infrared lamp pearl towards the opening side of shell to the light emitting area that makes infrared lamp pearl and the side that the receiving face all is in the shell.

The further technical scheme is as follows: the infrared lamp bead is a 90-degree bent-angle plug-in and is welded on the PCB.

The further technical scheme is as follows: the opening part of shell is equipped with spacing spout, install in the spacing spout with the light filter that shell length equals.

The further technical scheme is as follows: still include first end cover and second end cover, the connecting hole portion that is used for fixed first end cover and second end cover is all seted up at the both ends of shell.

The further technical scheme is as follows: the first end cover and the second end cover are made of plastic materials.

The further technical scheme is as follows: the first end cover is transversely provided with a wire passing hole.

The further technical scheme is as follows: first end cover and second end cover are vertical all to be provided with the screw hole.

The further technical scheme is as follows: the shell is rectangular and flat.

Compared with the prior art, the utility model beneficial effect be: the utility model provides a pair of safe light curtain of luminous receipt in side sets up the opening through the side at the shell, and the head of infrared lamp pearl is towards the opening side in the shell, has realized the purpose of edgewise luminous and receipt, has effectively dealt with the mechanical equipment that needs the edgewise to set a light. In addition, the shell is in a rectangular flat shape, and a limiting sliding groove is formed in an opening of the shell, so that the whole structure is small, the occupied space is small, and the installation of the optical filter is convenient.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is an exploded view of an embodiment of a side-emitting receiving safety light curtain of the present invention;

fig. 2 is a cross-sectional view of a side-emitting receiving safety light curtain according to an embodiment of the present invention.

Reference numerals

1. A connection hole portion; 2. fixing grooves; 3. an opening; 4. a limiting chute; 5. a second end cap; 6. a housing; 7. a PCB board; 8. a first end cap; 9. an optical filter; 10. infrared lamp beads; 11. an end cap screw; 12. a screw hole; 13. and a wire passing hole.

Detailed Description

In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.

It is to be understood that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity/action/object from another entity/action/object without necessarily requiring or implying any actual such relationship or order between such entities/actions/objects.

It should be further understood that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

As shown in fig. 1 and 2, the utility model provides a side-emitting and receiving safety light curtain, which comprises a shell 6 with an opening 3 on one side, preferably, the shell 6 is rectangular and flat; be equipped with fixed slot 2 in the shell 6, install PCB board 7 in the fixed slot 2, PCB board 7 is connected with infrared lamp pearl 10, and the head of infrared lamp pearl 10 is towards 3 sides in the opening of shell 6 to the light emitting area that makes infrared lamp pearl 10 all is in the side of shell 6 with receiving the face.

Specifically, the infrared lamp bead 10 is a 90-degree bent-angle plug-in unit and is welded on the PCB board 7. This allows both the light emitting and receiving surfaces of the infrared lamp bead 10 to be on the sides of the housing 6.

Further, the shell 6 is of an integrated molding structure; the housing 6 includes an upper plate portion, a lower plate portion, and a side plate portion connected between the upper plate portion and the lower plate portion; the extension is gone up earlier to the lower plate and is equipped with the arch, and first notch has been seted up to the arch, and the second notch has been seted up to the side plate portion, and first notch and second notch constitute fixed slot 2 that is used for installing PCB.

Furthermore, the opening 3 of the shell 6 is provided with a limiting sliding groove 4, and a light filter 9 with the same length as the shell 6 is installed in the limiting sliding groove 4. The optical filter 9 is arranged in the limiting sliding groove 4, so that infrared light of the infrared lamp can pass through the optical filter 9, and the effect of the shell 6 on sealing the light curtain is achieved.

Further, the device also comprises a first end cover 8 and a second end cover 5, wherein the first end cover 8 and the second end cover 5 are made of plastic materials. The both ends of shell 6 are all offered and are used for fixed first end cover 8 and the connecting hole portion 1 of second end cover 5, connect first end cover 8 and second end cover 5 at the both ends of shell 6 through end cover screw 11. In this embodiment, four connection hole portions 1 are provided, and are respectively located at four corners inside the housing 6.

In addition, the first end cover 8 is transversely provided with a wire through hole 13 for supplying power to the light curtain internal circuit and outputting signals to the outside through a transmission wire. Screw holes 12 are vertically formed in the first end cover 8 and the second end cover 5, and the whole light curtain can be fixedly installed through installation screws.

The light curtain is installed in the following manner:

install PCB board 7 that has infrared lamp pearl 10 in fixed 2 inslots, insert spacing 4 inslots with light filter 9 from the one end of shell 6 again, be fixed in the both ends of shell 6 with first end cover 8 and second end cover 5 through end cover screw 11 again, simple to operate is swift.

The synthesis of the following steps: the utility model provides a pair of safe light curtain of luminous receipt in side sets up the opening through the side at the shell, and the head of infrared lamp pearl is towards the opening side in the shell, has realized the purpose of edgewise luminous and receipt, has effectively dealt with the mechanical equipment that needs the edgewise to set a light. In addition, the shell is in a rectangular flat shape, and a limiting sliding groove is formed in an opening of the shell, so that the whole structure is small, the occupied space is small, and the installation of the optical filter is convenient.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A safety light curtain with side light emitting and receiving functions is characterized by comprising a shell with an opening formed in one side; be equipped with the fixed slot in the shell, install the PCB board in the fixed slot, the PCB board is connected with infrared lamp pearl, the head of infrared lamp pearl towards the opening side of shell to the light emitting area that makes infrared lamp pearl and the side that the receiving face all is in the shell.

2. The side-emitting, receiving, safety light curtain of claim 1, wherein said infrared lamp bead is soldered onto a PCB board at a 90 degree corner insert.

3. The safety light curtain with the side light emitting and receiving functions as claimed in claim 1, wherein a limiting chute is arranged at the opening of the housing, and a light filter with the same length as the housing is installed in the limiting chute.

4. The side-emitting safety light curtain of claim 1 further comprising a first end cap and a second end cap, wherein the two ends of the housing are each provided with a connecting hole portion for fixing the first end cap and the second end cap.

5. A side-lit safety light curtain as claimed in claim 4, wherein the first and second end caps are of plastics material.

6. A side-lit safety light curtain as claimed in claim 4, wherein the first end cap is provided with a transverse wire passing aperture.

7. A side-emitting, receiving, safety light curtain as recited in claim 4, wherein the first end cap and the second end cap are each vertically threaded.

8. A side-lit safety light curtain as claimed in any of claims 1 to 7, wherein the housing is rectangular and flat.