Portable water level gauge

A water level measurement and portable technology, applied in the direction of buoy liquid level indicator, etc., can solve the problems of water level measuring instrument malfunction, insulation resistance drop, unreliability and other problems, and achieves the effects of high reliability, flexible up and down movement and simple structure

Inactive Publication Date: 2011-01-19
哈尔滨华良科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the measuring instrument is simple, but its problem is that whether the exposed part of the transmission wire is exposed to water or not is used as the condition for circuit startup, which is unreliable in many cases. It is likely to enter the probe to cause false alarms. In addition, the water well is very humid. This humid environment can significantly reduce the insulation resistance, and can also cause misoperation of the water level measuring instrument.

Method used

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Embodiment Construction

[0013] From the embodiment of the present invention shown in the accompanying drawings, it can be seen that the diameter of the water inlet 3 at the bottom of the lower housing is smaller than the outer diameter of the float 4, and the top of the float is inlaid with a small and powerful magnet 5, and the bottom of the upper housing is provided with a magnet 5. Reed switch 8, the two ends of the reed switch are respectively connected to the two wires of the double-core sheathed wire, then filled with waterproof sealing material to fix the reed switch and the double-core sheathed wire in the upper casing, and then use The heat-shrinkable tube puts the double-core sheathed wires on the top of the upper casing to further fix and protect the double-core sheathed wires, and the circuit assembly 13 is installed in the cable reel.

[0014] When in use, turn the cable reel to put the probe down along the wellhead. After the probe enters the water, the float floats up. When the magnet o...

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Abstract

The invention discloses a portable water level gauge comprising a lower shell (1) and an upper shell (2). A water inlet (3) is arranged at the bottom of the lower shell (1); a float (4) is arranged inside the lower shell (1); a permanent magnet (5) is inlayed on the top of the float (4); an exhaust hole (6) is arranged on the upper part of the cavity where the float (4) locates; the lower shell (1) is connected with the upper shell (2) through a thread (7); a reed pipe (8) is arranged on the lower part of the upper shell (2); a contact of the reed pipe (8) as a start switch is connected in a circuit which comprises a twin-core sheath lead (9), a switch (14), a cell (15), a light emitting tube (15) and a buzzer (16); when the float (4) floats upwards in water, the reed pipe (8) controls the start circuit under the magnetic field of the magnet (5); and an acousto-optic prompt is sent to read the water level scale value on a cable (8).

Description

Technical field [0001] The invention relates to a water level measuring instrument, in particular to a portable water level measuring instrument suitable for water resource management departments to measure the water level of an observation well. Background technique [0002] In recent years, with the strengthening of human production activities, more and more groundwater has been exploited, and the geological problems caused by this have attracted people's attention. The daily monitoring of groundwater is very necessary. Therefore, it should provide relevant departments with an easy-to-use , Portable water level measuring instrument. [0003] Chinese patent specification 200920072042.0 discloses a groundwater level measuring instrument. The probe of this kind of water level measuring instrument consists of a plastic outer tube, a stainless steel inner tube, two sealing plugs that block the stainless steel tube, two sealing baffles that constitute the lower float chamber, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/72G01F23/76
Inventor 周强周容
Owner 哈尔滨华良科技有限公司
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