Laser welding system and infrared temperature measurement protection system device

Abstract

The utility model belongs to the technical field of laser welding systems, and relates to a laser welding system and an infrared temperature measurement protection system device, which comprise an infrared temperature measurement protection system device, a laser, a water cooling machine alarm, a wire feeder, an air valve, a galvanometer motor and a 24V power supply, the infrared temperature measurement protection system device is installed in a light emitting gun body of a laser welding control system and comprises an infrared temperature measurement probe, an MCU processor and a screen. The infrared temperature measuring probe is connected with the MCU processor through an I IC connecting line, and the screen is connected with the MCU processor. The infrared temperature measuring probe is composed of three digital thermopile sensors, two resistors and two voltage-regulator tubes are arranged on an I IC connecting line, and the three digital thermopile sensors are distributed in a light emitting gun body of the laser welding control system and are respectively aligned with the protective mirror, the collimating mirror and the reflecting mirror to collect temperature. The problem of burning points of the laser welding system when the room temperature is higher than 25 DEG C can be solved, all parts of devices of the system are protected, and the overall safety of the laser welding system is improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses an infrared temperature measurement protection system device belongs to laser welding system technical field, specifically related to a laser welding system and infrared temperature measurement protection system device. BACKGROUND

[0002] In electronic automation production line, laser welding system is widely used in the welding of electronic products. For example, in the manufacturing process of mobile phones, computers and other electronic products, laser welding system can realize the welding of small welding points and improve the reliability of electronic products.

[0003] Laser welding system can also be used in automobile manufacturing industry. In the automobile production process, the welding quality of electronic parts is directly related to the structural stability and safety of the automobile. Laser welding system can realize high-precision welding and ensure the firm and reliable connection of automobile electronic parts. In addition, laser soldering system also plays an important role in the fields of aerospace, medical instruments and electronics, and provides efficient and accurate welding solutions for the manufacturing industry in these fields.

[0004] The laser welding system in the prior art will appear burning point during use at room temperature 25 DEG C (laser power 3KW), which will cause damage to the parts of the system, thereby reducing the overall safety of the laser welding system. UTILITY MODEL CONTENTS

[0005] The utility model discloses a laser welding system and infrared temperature measurement protection system device, solve the problem mentioned above.

[0006] Technical scheme:

[0007] The first aspect, a kind of infrared temperature measurement protection system device of laser welding system, comprising: infrared temperature measurement probe, MCU processor and screen;

[0008] The infrared temperature measurement probe is connected with the MCU processor, and the screen is connected with the MCU processor;

[0009] The infrared temperature measurement probe is composed of three digital thermoelectric pile sensors, and the digital thermoelectric pile sensor is connected with the MCU processor by IIC connecting line.

[0010] In further embodiments, the infrared temperature measurement protection system device is installed in the light gun body of laser welding control system.

[0011] In further embodiments, three digital thermoelectric pile sensors are distributed in the light gun body of laser welding control system and are respectively aligned with protection mirror, collimating mirror and reflecting mirror to collect temperature.

[0012] In further embodiments, the IIC connection line is provided with a first resistor (R14), a second resistor (R15), a first voltage stabilizing tube (D18) and a second voltage stabilizing tube (D17);

[0013] One end of the first resistor (R14) inputs a 3.3V voltage, and the other end is connected with the negative electrode of the first voltage stabilizing tube (D18) and the No.1 pin of the digital thermoelectric pile sensor; one end of the second resistor (R15) inputs a 3.3V voltage, and the other end is connected with the negative electrode of the second voltage stabilizing tube (D17) and the No.2 pin of the digital thermoelectric pile sensor; the positive electrode of the first voltage stabilizing tube (D18) and the positive electrode of the second voltage stabilizing tube (D17) are grounded; the No.3 pin of the digital thermoelectric pile sensor inputs a 3.3V voltage, and the No.4 pin is grounded.

[0014] The second aspect is a laser welding system, which is composed of an infrared temperature measurement protection system device, a laser, a water-cooled machine alarm, a wire feeder, a gas valve, a galvanometer motor and a 24V power supply.

[0015] The MCU processor in the infrared temperature measurement protection system device is connected with the laser, the water-cooled machine alarm, the wire feeder, the gas valve, the galvanometer motor and the 24V power supply respectively.

[0016] In further embodiments, the galvanometer motor is connected with the MCU processor through a driver.

[0017] Beneficial effects: the utility model discloses a temperature measuring probe is installed in different positions, and corresponding data acquisition and analysis are carried out, and the vertical acquisition mode is adopted to make the reaction more sensitive and rapid, the utility model discloses an infrared temperature measurement device is installed at the position of the protection mirror, the collimating mirror and the reflecting mirror, can solve the burning point of the laser welding system when the room temperature is higher than 25 DEG C (laser power 3KW), protects the devices of each part of the system, and improves the overall safety of the laser welding system. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the schematic diagram of the laser welding system of the utility model.

[0019] Fig. 2 It is the schematic diagram of the infrared temperature measurement protection system device of the utility model.

[0020] Fig. 3 It is the flow chart of the infrared temperature measurement protection system device of the utility model. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0024] Embodiment 1

[0025] An infrared temperature measurement protection system device of a laser welding system, comprising: an infrared temperature measurement probe, an MCU processor and a screen;

[0026] In one embodiment, as shown in Figs. 1-3 The infrared temperature measurement probe is connected with the MCU processor, and the screen is connected with the MCU processor.

[0027] The infrared temperature measurement probe is composed of three digital thermoelectric pile sensors, and the digital thermoelectric pile sensors are connected with the MCU processor through IIC connecting lines.

[0028] In one embodiment, as shown in Figs. 1-3 The infrared temperature measurement protection system device is installed in the light gun body of the laser welding control system.

[0029] In one embodiment, as shown in Figs. 1-3As shown, three digital thermoelectric sensor are distributed in the laser welding control system light gun body and are respectively aligned with the protection mirror, collimating mirror and reflecting mirror to collect temperature.

[0030] In one embodiment, as shown in the figure, Figs. 1-3 As shown, the IIC connection line is provided with a first resistor R14, a second resistor R15, a first voltage stabilizing tube D18 and a second voltage stabilizing tube D17.

[0031] One end of the first resistor R14 inputs 3.3V voltage, and the other end is connected with the negative electrode of the first voltage stabilizing tube D18 and the No.1 pin of the digital thermoelectric sensor; one end of the second resistor R15 inputs 3.3V voltage, and the other end is connected with the negative electrode of the second voltage stabilizing tube D17 and the No.2 pin of the digital thermoelectric sensor; the positive electrode of the first voltage stabilizing tube D18 and the positive electrode of the second voltage stabilizing tube D17 are grounded; the No.3 pin of the digital thermoelectric sensor inputs 3.3V voltage, and the No.4 pin is grounded.

[0032] Embodiment 2:

[0033] A laser welding system is composed of an infrared temperature measurement protection system device, a laser, a water-cooled machine alarm, a wire feeder, a gas valve, a galvanometer motor and a 24V power supply.

[0034] The MCU processor in the infrared temperature measurement protection system device is connected with the laser, the water-cooled machine alarm, the wire feeder, the gas valve, the galvanometer motor and the 24V power supply respectively.

[0035] In one embodiment, as shown in the figure, Figs. 1-3 As shown, the galvanometer motor is connected with the MCU processor through a driver.

[0036] In one embodiment, as shown in the figure, Figs. 1-3 As shown, the utility model mainly solves some abnormal problems in the process of using the laser welding system at room temperature 25 DEG C (laser power 3KW). In normal state, the laser welding system light exists temperature rise phenomenon in the moment, with the increase of light power, the temperature rise is more obvious, when 3KW light, temperature rise 4-5 DEG C. In the actual detection process, it is found that the temperature collection at the reflecting mirror appears periodic fluctuation of temperature, about 5 DEG C. When the environment temperature is 25 DEG C (laser power 3KW), the temperature of the laser welding system light reaches 42 DEG C from 35 DEG C in 1 second, and the focusing mirror and the protection mirror appear slight burn spot; when the environment temperature is higher than 25 DEG C (laser power 3KW), the temperature of the laser welding system light rises more than 200 DEG C + in the moment, and the focusing mirror and the protection mirror appear obvious burn spot.

[0037] Through installing monitoring temperature measuring heads at different positions, corresponding data collection and analysis, experiments show that compared with the vertical collection mode (the mirror top is opened), the side collection mode (the mirror side is opened) is more sensitive and rapid.

[0038] The infrared temperature measurement protection system device of the laser welding system can solve the burning point of the laser welding system when the room temperature is higher than 25 DEG C (laser power 3KW), protect each part of the system, and improve the overall safety of the laser welding system.

[0039] Working principle: long-distance temperature measurement of the protection mirror, collimating mirror and reflecting mirror can accurately collect temperature data at each position during laser welding, and through analysis of the collected temperature data, whether the protection mirror, collimating mirror and reflecting mirror are damaged can be accurately judged, and when damage occurs, the alarm can be timely and the light can be stopped, and through the alarm information on the screen, the position of damage can be determined; the utility model discloses real-time record of temperature change and drawing into a broken line graph, convenient for observing temperature change. Meanwhile, temperature threshold value can be set, and when the temperature is lower than the temperature threshold value_Min or higher than the temperature threshold value_Max, the alarm is triggered, and the laser welding gun is stopped. In addition, temperature change threshold value is set, and when the temperature change per second exceeds the set threshold value, the alarm is triggered, and the laser welding gun is stopped. And historical data and the broken line graph of historical data can be viewed, and the historical data can be exported and alarm record, the time of alarm, the alarm trigger object and the alarm reason are recorded.

[0040] Obviously, the above embodiments are only examples for clearly illustrating, and are not limitation to the embodiments. Other different forms of changes or variations can be made on the basis of the above description for ordinary skilled in the art. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An infrared temperature measurement and protection system device for a laser welding system, characterized in that, The infrared temperature measurement protection system device comprises an infrared temperature measurement probe, an MCU processor and a screen. The infrared temperature measurement probe is connected with the MCU processor, and the screen is connected with the MCU processor. The infrared temperature measurement probe is composed of three digital thermoelectric pile sensors, and the digital thermoelectric pile sensors are connected with the MCU processor through IIC connecting lines.

2. The infrared temperature measurement protection system for a laser welding system of claim 1, wherein, The infrared temperature measurement protection system device is installed in a light-emitting gun body of a laser welding control system.

3. The infrared temperature measurement protection system for a laser welding system of claim 2, wherein, The three digital thermoelectric pile sensors are distributed in the light-emitting gun body of the laser welding control system and are respectively aligned with a protection mirror, a collimating mirror and a reflecting mirror to collect temperature.

4. The infrared temperature measurement protection system for a laser welding system of claim 1, wherein, The IIC connecting line is provided with a first resistor (R14), a second resistor (R15), a first voltage stabilizing tube (D18) and a second voltage stabilizing tube (D17). One end of the first resistor (R14) inputs a 3.3V voltage, and the other end is connected with a negative electrode of the first voltage stabilizing tube (D18) and a No.1 pin of the digital thermoelectric pile sensor; one end of the second resistor (R15) inputs a 3.3V voltage, and the other end is connected with a negative electrode of the second voltage stabilizing tube (D17) and a No.2 pin of the digital thermoelectric pile sensor; a positive electrode of the first voltage stabilizing tube (D18) and a positive electrode of the second voltage stabilizing tube (D17) are grounded; a No.3 pin of the digital thermoelectric pile sensor inputs a 3.3V voltage, and a No.4 pin is grounded.

5. A laser welding system characterized by, The infrared temperature measurement protection system device, a laser, a water-cooled machine alarm, a wire feeder, a gas valve, a galvanometer motor and a 24V power supply are composed according to any one of claims 1 to 4. The MCU processor in the infrared temperature measurement protection system device is connected with the laser, the water-cooled machine alarm, the wire feeder, the gas valve, the galvanometer motor and the 24V power supply respectively.

6. The laser welding system of claim 5, wherein, The galvanometer motor is connected with the MCU processor through a driver.

Images