A sensor protection device
A protection device and sensor technology, applied in the direction of process efficiency improvement, additive manufacturing, additive processing, etc., can solve the problems of sensor life and accuracy adverse effects, chaotic motion state, etc., to achieve control accuracy improvement, ensure detection accuracy, improve The effect of operational reliability
Active Publication Date: 2019-10-15
易加三维增材技术(杭州)有限公司
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Problems solved by technology
In the entire forming enclosure space, a mixed gas atmosphere mainly composed of fine powder and containing oxide fumes is formed, in a chaotic and irregular movement state, and any position touched in the entire enclosure also includes Active measurement of sensor elements for detection, which adversely affects sensor life and accuracy
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[0028] Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .
[0029] A sensor protection device 1, such as Figure 1-Figure 6 As shown, it includes a protective device 1, the protective device 1 is installed on one side of the top plate 2, and the sensor 3 is installed on the other side of the top plate 2 through the sensor fixing plate 31; the top plate 2 is provided with a through groove 21; the protective device 1 covers the through groove 21, The detection probe of the sensor 3 contacts the detection gas in the through groove 21; the protection device 1 is provided with a guide channel, a capture device, and a detection chamber, the guide channel communicates with the external environment of the protection de...
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A sensor protection device of the present invention includes a protection device, the protection device is provided with a guide channel, a capture device, and a detection chamber, the guide channel communicates with the external environment of the protection device, and the capture device communicates with the guide channel; the guide channel guides the gas to the capture device; The device captures impurities; the captured gas flows to the detection chamber; the detection chamber communicates with the through groove. The invention adopts the guide channel to guide the particles entering the protection device to the capture device to capture, realize the purification of the environment in the detection area of the sensor, absorb oxide dust, ensure the detection accuracy of the sensor, and prolong the service life of the sensor. The invention solves a major problem in the industry by adopting the setting of the protective device for the sensor in the construction space. At the same time, the control accuracy of the entire construction process has been greatly improved, and the operational reliability of the metal powder bed 3D printing equipment has been improved; it has provided an important basic guarantee for the construction of large-scale, complex and difficult-to-form 3D printed parts.
Description
technical field [0001] The invention relates to a sensor protection device, in particular to a sensor protection device used in a metal 3D printing construction process. Background technique [0002] In recent years, the technological revolution and industrial transformation have promoted the rapid development of the 3D printing industry. As one of the most promising manufacturing technologies in the era of Industry 4.0, various countries have cultivated it as a new growth point for future industrial development, forming a 3D printing industry based on software and hardware. 3D printing industry value chain with , service and sharing as the main line. In particular, the field of metal 3D printing equipment manufacturing has developed rapidly, forming a new technology trend of multi-modal data sets and multi-disciplinary interactive applications. The application of emerging technologies will inevitably generate technical requirements under the new technology application envi...
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IPC IPC(8): B22F3/105B33Y30/00B33Y40/00
CPCB22F3/003B33Y30/00B33Y40/00B22F10/00B22F12/90B22F10/28B22F10/77Y02P10/25
Inventor 冯涛王志国
Owner 易加三维增材技术(杭州)有限公司