Liquid-level sealed connector and method for connecting signal transmission and gas conduction under water

Abstract

The invention relates to a liquid level sealing connector and its method for connecting and transmitting signals and guiding gas under water, comprising a cable, one end of the cable is sheathed with a shell cap, and the front end of the shell cap can be socketed in the sensor part of the transmitter In the sensor housing, a first sealing device is provided at the joint between the housing cap and the sensor housing, and a second sealing device for sealing the cable and the housing cap is provided at the tail end of the housing cap; the plug of the connector is installed inside the housing cap, and the plug It is connected with the cable; the socket of the connector is installed in the sensor housing and connected with the signal line of the transmitter to form an integrated connector structure. In the present invention, the shell cap is socketed in the sensor shell to realize the flexible separation of the sensor part of the transmitter from the cable and the power supply, which is convenient for replacement and maintenance; the shell cap and the sensor shell are sealed and formed by the first sealing device and the second sealing device A cavity, cables, plugs and sockets are in the cavity, effectively isolated from the external medium, with good sealing effect, high protection level and good reliability.

Description

【Technical field】 [0001] The invention belongs to the technical field of transmitters, and relates to a liquid level sealing connector and a method for connecting and transmitting signals and conducting air under water. 【Background technique】 [0002] The liquid level sealed connector must be completely isolated from the external medium (such as water) after the assembly is completed, and the signal in the inner cavity of the connector is guaranteed to be transmitted safely and the sensor is connected to the reference atmosphere. The existing liquid level transmitter usually passes a special cable Connect the underwater sensing part with the above-water power supply and output part, and the special cable is inseparable from the sensor. [0003] For example, the transmitters usually used in hydropower stations need to use 200-500 meters of cables, and there are usually spare transmitters for emergencies, and there are also two transmitters in one position. Usually the sensin...

AI Technical Summary

Problems solved by technology

Usually the sensing part of the transmitter is easily damaged, and the cost of some longer cables will exceed the transmitter itself

[0004] The sealing of the connector itself and the sealing of the special cable for the transmitter and ensuring the communication between the liquid level transmitter and the reference atmosphere are the difficulties of the liquid level sealing connector. At present, there is no connector specially used for the liquid level transmitter. , and the universal connector cannot effectively seal the special cable for the liquid level transmitter, and cannot communicate with the reference atmosphere, thus affecting the range of use and accuracy of the liquid level transmitter

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