A manufacturing process of a photoelectric liquid level gauge

An optoelectronic liquid level meter and manufacturing process technology, applied in the field of processing and manufacturing, can solve problems such as high control accuracy requirements, increase lens processing costs, affect processing efficiency, etc., and achieve uniform connection force, strengthen connection, and improve smoothness. Effect
CN111397694BActive Publication Date: 2022-01-04常州松英视液镜有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
常州松英视液镜有限公司
Publication Date
2022-01-04

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Abstract

The invention relates to a manufacturing process of a photoelectric liquid level gauge, comprising the following steps: S1, processing a detection shell; S2, preparing and cleaning a glass block, a graphite holder and a briquetting block; S3, putting the briquetting block and the glass block in sequence Detect the end of the casing and place the detection casing vertically, and then install the end of the detection casing on the graphite holder; S4, put the installed detection casing and the graphite holder into a sintering furnace for sintering and heating; S5, Take out the detection housing and the graphite holder and cool it; S6, separate the detection housing and the graphite holder, take out the briquetting block, and install and fix the transmitting and receiving unit and the detection housing; S7, check the photoelectric liquid level gauge; in step S2, graphite There is a conical conical groove on the surface of the bracket connection detection shell, the taper of the conical groove is 2:1, and the inner wall of the conical groove is polished smooth; the volume of the glass block is larger than that of the conical groove volume. The invention has the effects of low lens reject rate and high processing efficiency.
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Description

technical field

[0001] The invention relates to the technical field of processing and manufacturing, in particular to a manufacturing process of a photoelectric liquid level gauge. Background technique

[0002] The photoelectric liquid level gauge is a new type of contact point liquid level measurement and control device, which uses the principle of reflection and refraction of light at the interface of two different media. The photoelectric liquid level gauge can be detected at a single point, and the TTL compatible digital level signal output is suitable for the production of transportation and military industries. The working principle of the photoelectric liquid level gauge: the product contains a near-infrared light-emitting diode and a photosensitive receiver. The light emitted by the light-emitting diode is guided into the lens at the end of the sensor. When the liquid is immersed in the lens of the photoelectric liquid level switch, the light is refracted Into the l...

Claims

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