CN109927261A - A kind of light curtain protective device - Google Patents
A kind of light curtain protective device Download PDFInfo
- Publication number
- CN109927261A CN109927261A CN201711370229.4A CN201711370229A CN109927261A CN 109927261 A CN109927261 A CN 109927261A CN 201711370229 A CN201711370229 A CN 201711370229A CN 109927261 A CN109927261 A CN 109927261A
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- corner
- infrared
- upright bar
- light
- remote receiver
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Abstract
The present invention provides a kind of light curtain protective devices, belong to field of photoelectric technology；The present invention solves the technical issues of safe light curtain cannot protect multiple working faces in the prior art；The technical solution of the present invention is as follows: a kind of light curtain protective device; it is mounted on injector body; including infrared transmitter and infrared remote receiver corresponding with infrared transmitter; the injector is equipped at least one Clamping System; it includes the two protection racks for installing upright bars and a corner upright bar that Clamping System outer periphery, which is equipped with; it is respectively corresponded in two installation upright bars and above-mentioned infrared transmitter and infrared remote receiver is installed, a corner mirror is installed in the corner upright bar and infrared transmitter issues infrared light and received after corner mirror reflects by infrared remote receiver；The invention has the benefit that structure is simple, it is able to achieve the protection to multiple working faces, is reduced costs and energy consumption, it is more environmentally-friendly.
Description
Technical field
The invention belongs to field of photoelectric technology, are related to a kind of safety light curtain protective device, especially a kind of light curtain protection dress
It sets.
Background technique
Existing safe light curtain is made of light projector and light-receiving device, and light-receiving device is connect by internal control route with machine,
Under normal circumstances, light projector launches the infrared light of modulation, is received by light-receiving device, and one is formed between light projector and light-receiving device
Catch net, when there is object to enter catch net, the infrared light that light projector issues is blocked by object, and light-receiving device does not receive light projector
The infrared light that device issues, light-receiving device circuit are reacted at once, i.e., exporting a signal in output par, c makes machine emergency braking,
When object is further to injector, machine will not generate any injury to object；But existing safe light curtain is playing protection
While effect, there is also following defect, the light projector of safe light curtain only corresponds to a light-receiving device, i.e. light projector and light-receiving device one
One is corresponding, therefore one group of safe light curtain can only be protected in a plane or a region, and existing injector has simultaneously
Multiple working faces, when implementing to protect to all working face, it is necessary to safe light curtain is installed in each working face, it is so just big
Use cost is increased greatly, and each safe light curtain connects to power supply, and also increases energy consumption, when safe light curtain breaks down
When, even more inconvenient maintenance.
Summary of the invention
The above problem that the purpose of the present invention is deposit for the prior art, proposes a kind of at low cost, and energy consumption is small, using more
Convenient safety light curtain protective device.
Object of the invention can be realized by the following technical scheme: a kind of light curtain protective device is mounted on injector machine
On body, including infrared transmitter and infrared remote receiver corresponding with infrared transmitter, the injector are equipped at least one
Clamping System, it includes the two protection racks for installing upright bars and a corner upright bar that Clamping System outer periphery, which is equipped with, and two install in upright bars
It respectively corresponds and above-mentioned infrared transmitter and infrared remote receiver is installed, a corner mirror and infrared is installed in the corner upright bar
Transmitter issues infrared light and is received after corner mirror reflects by infrared remote receiver.
In a kind of above-mentioned light curtain protective device, the corner mirror is by rotating basis and is fixed on flat on rotating basis
Face microscope group is at the upper and lower ends of rotating basis are separately installed with coaxial rotary shaft, and being correspondingly provided in corner upright bar can accommodate
The axis hole of rotary shaft, the rotating basis can rotate in corner upright bar.
In a kind of above-mentioned light curtain protective device, a connection is each provided between the two installation upright bar and corner upright bar
Bar, two connecting rod are mutually perpendicular to, and the included angle of the corner mirror mirror surface and the formation of two connecting rods is 45 degree.
Compared with prior art, the invention has the following advantages: making emitter and reception device in an a pair
Also it is able to achieve the protection of multiple working faces in the case where answering, reduces costs and energy consumption, it is more environmentally-friendly.
Detailed description of the invention
Fig. 1 is the Plane Installation schematic diagram of light curtain protective device of the present invention.
Fig. 2 is the schematic perspective view of light curtain protective device of the present invention.
In figure, 1, installation upright bar；11, infrared transmitter；2, corner upright bar；21, corner mirror；22, rotary shaft；3, it connects
Bar；31, infrared remote receiver；
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, 2, a kind of light curtain protective device of the present invention, is mounted on injector body, including infrared transmitter
11 and infrared remote receiver 31 corresponding with infrared transmitter 11, injector at least one Clamping System, Clamping System are installed
It includes the two protection racks for installing upright bars 1 and a corner upright bar 2 that outer periphery, which is equipped with, respectively corresponds and is equipped in two installation upright bars 1
Above-mentioned infrared transmitter 11 and infrared remote receiver 31 is equipped with a corner mirror and infrared transmitter 11 in the corner upright bar 2
Sending infrared light forms refracted light after corner mirror reflects and is received by infrared remote receiver 31.
Due to being mounted with that corner mirror, infrared transmitter issue infrared between traditional infrared transmitter and infrared remote receiver
Light is received by infrared remote receiver by corner mirror, on the more machine in a few thing face so that infrared transmitter with it is infrared
Receiver is also able to achieve the protection to multiple working faces in the case where one-to-one correspondence, without installing in each working face
Safe light curtain saves cost, and one group of safe safe light curtain, for multiple groups safe light curtain, required voltage is more
Small, the electricity used is less, and energy consumption is also lower, is the important embodiment for modernizing low-carbon life.
Corner mirror is made of rotating basis 21 and the plane mirror being fixed on rotating basis 21, above and below rotating basis 21
Both ends are separately installed with coaxial rotary shaft 22, and the axis hole that can accommodate rotary shaft 22, the rotation are correspondingly provided in corner upright bar 2
Turning pedestal 21 can rotate in corner upright bar 2；Since rotating basis can rotate in corner upright bar 2, when two installation upright bars 1
When the angle difference formed between corner upright bar 2, corner mirror can be adjusted according to the refraction principle of light, obtain corner mirror
To refraction angle required for safe light curtain is able to satisfy, use scope is wider, is able to satisfy more use occasion.
It is each provided with a connecting rod 3 between two installation upright bars 1 and corner upright bar 2, is mutually perpendicular between two connecting rods 3,
The included angle that corner mirror mirror surface and two connecting rods 3 are formed is 45 degree；Since injector is fitted with Clamping System, and mold
The periphery of system is usually provided with rectangular protection rack, and injector and the external world are spaced, when mutually vertical between two connecting rods 3
When straight, that is, the infrared light for requiring infrared transmitter 11 to issue is vertical in the received refracted light of infrared remote receiver 31, because
The included angle formed between this corner mirror mirror surface and two connecting rods 3 is 45 degree simultaneously, so just can guarantee infrared transmitter 11
The infrared light of sending can be reflected to be received by infrared remote receiver 31 by corner mirror, so that transmitting light and refracted light are hung down
Directly, meet the requirement of protection rack.
Plane mirror during installation, is first mounted on the surface of rotating basis 21 by safety light curtain in any well-known manner,
Then rotary shaft 22 is mounted in the corresponding axis hole that corner upright bar 2 opens up, guarantees that rotating basis 21 can rotate in axis hole, most
Infrared transmitter 11 and infrared remote receiver 31 are separately mounted in installation upright bar 1 afterwards, and guarantee the transmitting of infrared transmitter 11
The receiving orifice of hole and infrared remote receiver 31 after installing, starts the switch of safe light curtain, to infrared towards corner mirror mirror surface
Transmitter 11, infrared remote receiver 31 and corner mirror are finely adjusted, and guarantee that the transmitting light of infrared transmitter 11 passes through corner mirror
It mirror surface and can be received by infrared remote receiver 31, in use, if there is the limbs of staff pass through transmitting light or refraction light
Line but infrared remote receiver 31 can not receive infrared light, infrared remote receiver 31 can immediately receive instruction, and injector can be stood
Quarter stops working, therefore the limbs of staff will not be injected the Clamping System of machine and be injured, and when transmitting light or folding
When penetrating light and not being blocked, infrared remote receiver 31 can receive order, restarting injector work again.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (2)
1. a kind of light curtain protective device, is mounted on injector body, including infrared transmitter (11) and and infrared transmitter
(11) corresponding infrared remote receiver (31), the injector are equipped at least one Clamping System, and Clamping System outer periphery is set
There is the protection rack including two installation upright bar (1) and a corner upright bar (2), which is characterized in that right respectively in two installations upright bar (1)
Above-mentioned infrared transmitter (11) and infrared remote receiver (31) should be installed, a corner mirror is installed on the corner upright bar (2)
And infrared transmitter (11) issues infrared light and is received after corner mirror reflects by infrared remote receiver (31), the two installations upright bar
(1) it is each provided between corner upright bar (2) connecting rod (3), two connecting rod (3) is mutually perpendicular to, the corner mirror mirror
The included angle that face and two connecting rods (3) are formed is 45 degree.
2. light curtain protective device according to claim 1, it is characterised in that: the corner mirror by rotating basis (21) and
The plane mirror composition being fixed on rotating basis (21), the upper and lower ends of rotating basis (21) are separately installed with coaxial rotary shaft
(22), the axis hole that can accommodate rotary shaft (22) is correspondingly provided in corner upright bar (2), the rotating basis (21) can be vertical in corner
Bar rotates on (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370229.4A CN109927261A (en) | 2017-12-19 | 2017-12-19 | A kind of light curtain protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370229.4A CN109927261A (en) | 2017-12-19 | 2017-12-19 | A kind of light curtain protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109927261A true CN109927261A (en) | 2019-06-25 |
Family
ID=66983127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711370229.4A Pending CN109927261A (en) | 2017-12-19 | 2017-12-19 | A kind of light curtain protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109927261A (en) |
-
2017
- 2017-12-19 CN CN201711370229.4A patent/CN109927261A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190625 |