CN208535545U - A kind of photoelectric protector of safety relay module - Google Patents

Abstract

A kind of photoelectric protector of safety relay module; including photophore; red positive terminal, green negative terminals and yellow green PE line terminals are equipped on photophore; further include the light-receiving device opposite with photophore position, red positive terminal, green negative terminals, yellow green PE line terminals, brown output signal terminals and black output signal terminals are equipped on light-receiving device；Safety relay module is equipped in the side of light-receiving device, the safety relay module includes PLC device, + 24V terminals and -24V terminals are equipped in one end of PLC device, it is equipped with interlocking signal output pin and power-down signal output pin in the other end of PLC device, is equipped with several input pins on the top of PLC device；The stroke of press machine can be precisely controlled, eliminate the otherness and mismatch between component, greatly reduce the error in control process.

Description

A kind of photoelectric protector of safety relay module

Technical field:

The utility model relates to a kind of photoelectric protectors of safety relay module.

Background technique:

During press machine punching press and forging product, for the security requirement for meeting automatic production process, it is necessary to The photoelectric protection for being related to influencing stamping products safety is precisely controlled in time, avoids the sliding block on press machine in punching press It is slid from press machine in journey.Relay and photoelectric protection module in existing photoelectric protector are all individually to purchase, so Be attached afterwards with conducting wire, although having obtained certain guarantee in safety, between component compatibility and matching rate compared with Difference, there is a certain error in control process；In addition, needing to contact multiple productions when component needs repairing and debugs Producer is handled, long processing period, high production cost, reduces the production efficiency of press machine.

Utility model content:

The utility model in order to make up for the deficiencies of the prior art, provides a kind of photoelectric protection dress of safety relay module It sets, it is reasonable in design, the stroke of press machine can be precisely controlled, eliminate the otherness and mismatch between component Property, the error in control process is greatly reduced, when needing repairing and debugging, only need to contact a manufacturer, is shortened Duty cycle reduces production cost, improves production efficiency, solves problems of the prior art.

Used technical solution is the utility model to solve above-mentioned technical problem:

A kind of photoelectric protector of safety relay module, including photophore are equipped with red anode on photophore and connect Line end, green negative terminals and yellow green PE line terminals, further include the light-receiving device opposite with photophore position, in light-receiving device It is equipped with red positive terminal, green negative terminals, yellow green PE line terminals, brown output signal terminals and black Output signal terminals；It is equipped with safety relay module in the side of light-receiving device, the safety relay module includes that PLC is set It is standby ,+24V terminals and -24V terminals are equipped in one end of PLC device, it is defeated to be equipped with interlocking signal in the other end of PLC device Pin and power-down signal output pin out are equipped with several input pins on the top of PLC device, under PLC device Portion, which is equipped with, to be resetted output pin and resets input pin, and one end of an electromagnetic relay is accessed by conducting wire resets input pin, The other end is accessed by conducting wire resets output pin；Red positive terminal on the photophore and light-receiving device passes through respectively leads Line is connected with+24V power supply, and the green negative terminals on the photophore and light-receiving device pass through conducting wire and 0V low level phase respectively Even, the yellow green PE line terminals on the photophore and light-receiving device pass through conducting wire respectively and are connected with PE line, on the light-receiving device Brown output signal terminals and black output signal terminals pass through conducting wire and the input pin phase in PLC device respectively Even, the PLC device is connected with press machine by conducting wire, interlocking signal output pin and power-down signal output pin, institute + 24V the terminals stated in PLC device are connected by conducting wire with+24V power supply, and -24V terminals pass through conducting wire and 0V low level phase Even.

Yellow clock signal terminals and blue enable signal terminals are respectively equipped on photophore and light-receiving device；It is described Photophore is connected with the yellow clock signal terminals on light-receiving device by conducting wire, and the blue on the photophore and light-receiving device makes Energy signal terminal is connected by conducting wire.

The inside of PLC device between interlocking signal output pin and power-down signal output pin be equipped with it is synchronous after Electric appliance.

Using the above structure, detected by photophore and light-receiving device is whether to have object below press machine to the utility model Body or people avoid the sliding block on press machine from damaging during downlink people；By the PLC device in safety relay module to adopting The photosignal collected is collected and converts, and when there are emergency situations, issues alarm signal and stops press machine in time Stroke；Cooperate reset pin and program in PLC device to reset PLC device by relay, keeps the steady of PLC device It is fixed, have the advantages that it is safe and efficient, be quick on the draw；The structure design of the utility model is reasonable, can carry out to the stroke of press machine It is precisely controlled, eliminates the otherness and mismatch between component, greatly reduce the error in control process, when needing to tie up When repairing and debugging, a manufacturer only need to be contacted, the duty cycle is shortened, reduces production cost, improve production efficiency.

Detailed description of the invention:

Fig. 1 is the circuit theory schematic diagram of the utility model.

In figure, 1, photophore, 2, light-receiving device, 3, PLC device, 4, interlocking signal output pin, 5, power-down signal it is defeated Pin out, 6, input pin, 7, reset output pin, 8, reset input pin, 9, electromagnetic relay, 10, yellow clock signal Terminals, 11, blue enable signal terminals, 12, lock-on relay, 13, press machine.

Specific embodiment:

In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality It is described in detail with novel.

As shown in fig. 1, a kind of photoelectric protector of safety relay module, including photophore 1, on photophore 1 It further include opposite with 1 position of photophore equipped with red positive terminal, green negative terminals and yellow green PE line terminals It is defeated to be equipped with red positive terminal, green negative terminals, yellow green PE line terminals, brown on light-receiving device 2 for light-receiving device 2 Signal terminal and black output signal terminals out；The side of light-receiving device 2 be equipped with safety relay module, the safety after Electrical appliance module includes PLC device 3 ,+24V terminals and -24V terminals is equipped in one end of PLC device 3, in PLC device 3 The other end is equipped with interlocking signal output pin 4 and power-down signal output pin 5, is equipped with several on the top of PLC device 3 Input pin 6 is equipped in the lower part of PLC device 3 and resets output pin 7 and reset input pin 8, and the one of an electromagnetic relay 9 End is accessed by conducting wire resets input pin 8, and the other end is accessed by conducting wire resets output pin 7；The photophore 1 and light Red positive terminal on device 2 passes through conducting wire respectively and is connected with+24V power supply, the green on the photophore 1 and light-receiving device 2 Negative terminals pass through conducting wire respectively and are connected with 0V low level, the yellow green PE line terminals on the photophore 1 and light-receiving device 2 It is connected respectively by conducting wire with PE line, brown output signal terminals and black output signal terminals on the light-receiving device 1 It is connected respectively by conducting wire with the input pin 6 in PLC device 3, the PLC device 3 passes through conducting wire, interlocking signal output pin 4 and power-down signal output pin 5 be connected with press machine 13 ,+24V the terminals in the PLC device 3 by conducting wire with+ 24V power supply is connected, and -24V terminals are connected by conducting wire with 0V low level.

Yellow clock signal terminals 10 and blue enable signal terminals are respectively equipped on photophore 1 and light-receiving device 2 11；The photophore 1 is connected with the yellow clock signal terminals 10 on light-receiving device 2 by conducting wire, the photophore 1 and light Blue enable signal terminals 11 on device 2 are connected by conducting wire.

The inside of PLC device 3 between interlocking signal output pin 4 and power-down signal output pin 5 is equipped with same Walk relay 12.

In use, first by photophore 1 and light-receiving device 2 yellow clock signal terminals 10 and blue enable signal wiring End 11 respectively corresponds connected by conducting wire, makes the co-ordination under same stable frequency of photophore 1 and light-receiving device 2, reduction because Component responds and bring error；Photophore 1 generates infrared beam, and light-receiving device 2 receives corresponding light beam, photophore 1 and by The protection zone of a rectangle is generated between light device 2；Then by the interlocking signal output pin 4 and power remove in PLC device 3 Signal output pin 5 passes through conducting wire cut-in pressure machine 13；Protective device is placed on to the lower section of press machine 13, when rectangle protection zone When object or person being not detected in domain, light-receiving device 2 is by brown output signal terminals and black output signal terminals and leads Line transfers signals to PLC device 3, and PLC device 3 is transmitted to press machine 13 and instructed, and press machine 13 works normally；It is protected when in rectangle When detecting object or person in shield region, PLC device 3 detects signal, after the processing through internal processes, passes through interlocking signal Output pin 4, power-down signal output pin 5 and conducting wire send to press machine 13 and instruct, and turn off the power supply of press machine 13, lock The stroke of constant-pressure machine 13 prevents press machine 13 from continuing decline and damages, and lock-on relay 12 may insure that interlocking signal is defeated After pin 4 and power-down signal output pin 5 are all responded out, press machine 13 just enters the operation of next step；Wait grasp Make personnel for after the completion of the emergency situations processing of the lower section of press machine 13, by electromagnetic relay 9, reset input pin 8, reset it is defeated Pin 7 and process control press machine 13 are resetted out, then execute the punching operation of a new round.

Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model It protects in range.

Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.

Claims (3)

1. a kind of photoelectric protector of safety relay module, it is characterised in that: including photophore, be equipped on photophore red Color positive terminal, green negative terminals and yellow green PE line terminals, further include the light-receiving device opposite with photophore position, Red positive terminal, green negative terminals, yellow green PE line terminals, brown output signal wiring are equipped on light-receiving device End and black output signal terminals；Safety relay module, the safety relay module packet are equipped in the side of light-receiving device PLC device is included, is equipped with+24V terminals and -24V terminals in one end of PLC device, is equipped with interlocking in the other end of PLC device Signal output pin and power-down signal output pin are equipped with several input pins on the top of PLC device, set in PLC Standby lower part, which is equipped with, to be resetted output pin and resets input pin, and one end of an electromagnetic relay is accessed by conducting wire resets input Pin, the other end is accessed by conducting wire resets output pin；Red positive terminal difference on the photophore and light-receiving device It is connected by conducting wire with+24V power supply, it is low with 0V that the green negative terminals on the photophore and light-receiving device pass through conducting wire respectively Level be connected, the yellow green PE line terminals on the photophore and light-receiving device pass through conducting wire respectively and are connected with PE line, it is described by Brown output signal terminals and black output signal terminals on light device pass through conducting wire respectively and draw with the input in PLC device Foot is connected, and the PLC device is connected with pressure by conducting wire, interlocking signal output pin and power-down signal output pin The machine ,+24V terminals in the PLC device are connected by conducting wire with+24V power supply, and -24V terminals pass through conducting wire electricity low with 0V It is flat to be connected.

2. a kind of photoelectric protector of safety relay module according to claim 1, it is characterised in that: in photophore With yellow clock signal terminals and blue enable signal terminals are respectively equipped on light-receiving device；On the photophore and light-receiving device Yellow clock signal terminals by conducting wire be connected, the blue enable signal terminals on the photophore and light-receiving device pass through Conducting wire is connected.

3. a kind of photoelectric protector of safety relay module according to claim 1, it is characterised in that: believe in interlocking The inside of PLC device number between output pin and power-down signal output pin is equipped with lock-on relay.