Laser cladding molten pool temperature detecting device, processing system adopting same and control method of system
A technology of temperature detection device and laser cladding, which is applied in the direction of measuring device, radiation pyrometry, laser welding equipment, etc., can solve the problems of large temperature measurement range and achieve large temperature measurement range, small influence and low external interference low effect
Inactive Publication Date: 2015-07-29
BAOTOU RES INST COLLEGE OF ENG PKU
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[0004] In order to solve the above problems, the present invention provides a real-time detection method for detecting the temperature of the laser melting pool, which is less affected by the background environment, has a large range of temperature measurement range, and is not easily affected by the temperature of the laser melting pool.
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[0024] Combine below Figure 1 to Figure 4 The laser cladding molten pool temperature detection device disclosed in the present invention, the processing system using the device and the control method of the system are described.
[0025] Such as figure 1 As shown, the present invention discloses a laser cladding molten pool temperature detection device 1 according to an embodiment, which includes a visible light emitter 2, and the visible light 3 emitted by the visible light emitter 2 is converged into a first detection spot 4, and the detection spot 4 falls in the processing spot 7 forming the laser cladding molten pool 6; a light sensor 8, which receives the reflected light 9 at the first detection spot 4; also includes a processor 10, which according to the reflection The intensity of the light 9 obtains the temperature of the current laser cladding molten pool 6 . Wherein, the angle between the visible light 3 and the laser cladding molten pool 6 can be 60 degrees, whic...
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The invention relates to a laser cladding molten pool temperature detecting device, a processing system adopting the same and a control method of the system. The laser cladding molten pool temperature detecting device comprises a light emitter, a light sensor and a processor; light emitted by the light emitter is gathered and form a first detection light spot, wherein the first detection light spot falls in a processing light spot of a laser cladding molten pool; the light sensor receives light reflected by the light spot; and the processor obtains the current temperature of the laser cladding molten pool according to the intensities of the emitted light and reflected light. With the laser cladding molten pool temperature detecting device, the processing system adopting the same and the control method of the system of the invention adopted, the temperature of laser cladding can be detected accurately in real time, and processing quality can be improved.
Description
technical field [0001] The invention relates to a laser cladding molten pool temperature detection device, a processing system using the device and a control method of the system. Background technique [0002] In the prior art, a long-wave uncooled infrared thermal imager was used to observe the change of the temperature field of the 10.6 μm CO2 laser molten pool. The temperature of the molten pool was measured by the imager. Capture, collect the molten pool temperature, and display the highest value of the molten pool temperature. At present, there is no mature equipment in the field of laser cladding, which can realize the real-time detection of the temperature of the molten pool of all alloy materials. The thermal imager is used for measurement, and its cost is relatively high, and the working wavelength is in the infrared region, which is caused by the influence of the background environment. Very disruptive. At the same time, the temperature measurement range is limit...
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IPC IPC(8): G01J5/00G01J5/02B23K26/70
Inventor 王智群贾志敏吴翔韩丰阳尚晓京王智勇
Owner BAOTOU RES INST COLLEGE OF ENG PKU