CN106525195B - Magnetostrictive liquid level meter head mechanism - Google Patents

Magnetostrictive liquid level meter head mechanism Download PDF

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Publication number
CN106525195B
CN106525195B CN201611134904.9A CN201611134904A CN106525195B CN 106525195 B CN106525195 B CN 106525195B CN 201611134904 A CN201611134904 A CN 201611134904A CN 106525195 B CN106525195 B CN 106525195B
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China
Prior art keywords
connecting column
bottom plate
upper plate
plate connecting
wiring terminal
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CN201611134904.9A
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Chinese (zh)
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CN106525195A (en
Inventor
王婷婷
郭永刚
李健
李艳红
于晓臣
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DANDONG TOP ELECTRONICS INSTRUMENT (GROUP) CO LTD
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DANDONG TOP ELECTRONICS INSTRUMENT (GROUP) CO LTD
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

The invention relates to a magnetostriction liquid level meter gauge outfit mechanism, which consists of a watchcase seat (1), a bottom plate (3), an upper plate (9), a wiring terminal board (8), a detection circuit board (10), an analog circuit board (6), a coil framework (4) and a watchcase (12), wherein the watchcase seat (1), the bottom plate (3), the upper plate (9) and the wiring terminal board (8) are fixedly connected with each other through single-head hexagonal copper column connecting columns (2, 5 and 7), the detection circuit board (10) and the analog circuit board (6) are vertically and fixedly connected between the bottom plate (3) and the upper plate (9), the coil framework (4) is fixedly connected on the lower end surface of the bottom plate (3), and the upper end of a magnetostriction wire (11) is fixed on the upper plate (9), so that the magnetostriction liquid level meter gauge outfit mechanism is simple and convenient to assemble.

Description

Magnetostrictive liquid level meter head mechanism
Technical Field
The invention relates to a magnetostrictive liquid level meter, in particular to a gauge head mechanism of the magnetostrictive liquid level meter.
Background
The gauge outfit mechanism of the magnetostrictive liquid level gauge in the prior art is shown in the figure 1, and consists of a gauge housing a1, left and right fixing rods a2, a connecting plate a3, a wiring terminal board a4, a detection circuit board a5, a magnetostrictive wire connecting plate a6, a coil framework a7 and a gauge housing a 8.
The lower end of a left fixing rod a2 is fixedly connected with the upper end face of a watchcase seat a1 through threaded fit, a wiring terminal board a4 is fixedly connected with the upper end of the left fixing rod a2 and the right fixing rod a2 through a screw a9, a connecting plate a3 is fixed on the side end face of the left fixing rod a2 and the right fixing rod a2 through a screw a10, a detection circuit board a5 is fixed on the connecting plate a3 through a contact pin a11, a magnetostrictive wire connecting plate a6 and a coil framework a7 are respectively welded and fixed on the upper end and the lower end of the detection circuit board a5, and a magnetostrictive wire a12 penetrates through the upper end of a central hole of the coil framework a7 and is welded on the magnetostrictive wire connecting plate a 6.
When the prior art is assembled and installed, the front end faces of the left and right square column-shaped fixing rods a2 are firstly adjusted to be in the same plane, locking nuts a13 at the lower ends of the left and right square column-shaped fixing rods a2 are used for locking and positioning, then a connecting plate a3 can be fixedly connected with the left and right square column-shaped fixing rods a2 through screws a10, and a wiring terminal board a4 is fixedly connected to the upper ends of the left and right square column-shaped fixing rods a2 through screws a 9.
When the magnetostrictive wire a12 passes through the central hole of the coil former a7, the magnetostrictive wire a12 is required to be kept in the central hole of the coil former a7 and cannot contact with the central hole wall of the coil former a7, otherwise, the liquid level detection signal is small or no signal is caused.
The connection and fixation of the magnetostrictive wire a12 in the prior art are determined after multiple assembly and fixation of a plurality of components, so that accumulated errors are easy to generate, and larger errors are generated in the radial position of the magnetostrictive wire a12, so that the magnetostrictive wire a12 is easy to contact with the coil bobbin a7, adjustment is difficult and inconvenient, and a detection signal is small or no signal is generated.
The prior art is complex in structure, complex in connection and matching relationship and difficult to assemble.
Disclosure of Invention
The invention aims to improve the defects of the prior art, and provides the magnetostrictive liquid level meter head mechanism which is reasonable in structure, convenient to assemble and high in assembly precision.
The invention relates to a magnetostriction liquid level meter head mechanism, which consists of a meter shell seat 1, a bottom plate 3, an upper plate 9, a wiring terminal plate 8, a detection circuit board 10, an analog circuit board 6, a coil framework 4, a bottom plate connecting column 2, an upper plate connecting column 5, a wiring terminal plate connecting column 7 and a meter shell 12.
The bottom plate connecting column 2, the upper plate connecting column 5 and the connecting terminal plate connecting column 7 are single-head hexagonal copper columns, namely connecting columns with threaded heads at the lower ends, hexagonal prisms in the middle and threaded holes at the upper end surfaces.
The 3 bottom plate connecting columns 2 are distributed on the upper end face of the watchcase seat 1, and the bottom plate connecting columns 2 are fixedly connected with threaded holes formed in the upper end face of the watchcase seat 1 in a matching manner through threaded heads 21 at the lower ends of the bottom plate connecting columns.
The connecting through holes 30 are formed on the bottom plate 3 corresponding to the bottom plate connecting columns 2, and the upper plate connecting columns 5 are matched and connected with threaded holes formed on the upper end faces of the bottom plate connecting columns 2 through threaded heads 51 at the lower ends of the upper plate connecting columns and clamp, squeeze and fix the bottom plate 3.
The upper plate 9 is provided with a connecting through hole 90 corresponding to the upper plate connecting column 5, and the connecting terminal plate connecting column 7 is matched and connected with a threaded hole formed in the upper end face of the upper plate connecting column 5 through a threaded head 71 at the lower end of the connecting terminal plate connecting column and clamps, extrudes and fixes the upper plate 9.
The binding post plate 8 is provided with a screw 13 which is matched and connected with a threaded hole formed on the upper end face of the binding post plate connecting column 7, and the binding post plate 8 is fixed on the binding post plate connecting column 7.
The detection circuit board 10 and the analog circuit board 6 are vertically arranged and fixedly connected between the bottom plate 3 and the upper plate 9.
The coil framework 4 is fixedly connected to the lower end face of the bottom plate 3, the magnetostrictive wire 11 penetrates through the central hole of the coil framework 4, and the upper end of the magnetostrictive wire 11 penetrates through the positioning hole 92 formed in the upper plate 9 and is welded on the upper plate 9.
The magnetostrictive liquid level meter gauge head mechanism has reasonable structure, is convenient to assemble, and can well ensure that the magnetostrictive wire 11 is not in physical contact with the coil framework 4, thereby ensuring that the liquid level detection signal is good.
Drawings
Fig. 1 is a schematic diagram of a prior art structure.
FIG. 2 is a schematic diagram of an embodiment of the present invention.
FIG. 3 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The invention relates to a magnetostriction liquid level meter head mechanism, which consists of a meter shell seat 1, a bottom plate 3, an upper plate 9, a wiring terminal circuit board 8, a detection circuit board 10, an analog circuit board 6, a coil framework 4, a bottom plate connecting column 2, an upper plate connecting column 5, a wiring terminal board connecting column 7 and a meter shell 12.
The bottom plate connecting column 2, the upper plate connecting column 5 and the wiring terminal circuit board connecting column 7 are single-head hexagonal copper columns, namely connecting columns with screw heads at the lower ends, hexagonal prisms in the middle parts and threaded holes at the upper end surfaces.
The 3 bottom plate connecting columns 2 are distributed on the upper end face of the watchcase seat 1, and the bottom plate connecting columns 2 are fixedly connected with threaded holes formed in the upper end face of the watchcase seat 1 in a matching way through threaded heads 21 at the lower ends of the bottom plate connecting columns;
the connecting through holes 30 are formed on the bottom plate 3 corresponding to the bottom plate connecting columns 2, and the upper plate connecting columns 5 are matched and connected with threaded holes formed on the upper end faces of the bottom plate connecting columns 2 through threaded heads 51 at the lower ends of the upper plate connecting columns and clamp, squeeze and fix the bottom plate 3.
The upper plate 9 is provided with a connecting through hole 90 corresponding to the upper plate connecting column 5, and the connecting terminal plate connecting column 7 is matched and connected with a threaded hole formed in the upper end face of the upper plate connecting column 5 through a threaded head 71 at the lower end of the connecting terminal plate connecting column and clamps, extrudes and fixes the upper plate 9.
The binding post plate 8 is provided with a screw 13 which is matched and connected with a threaded hole formed on the upper end face of the binding post plate connecting column 7, and the binding post plate 8 is fixed on the binding post plate connecting column 7.
The detection circuit board 10 and the analog circuit board 6 are arranged vertically and are fixedly connected between the bottom plate 3 and the upper plate 9 through pins (gold-plated copper pins).
The coil skeleton 4 is fixedly connected to the lower end face of the bottom plate 3 through pins (gold-plated copper pins), the magnetostrictive wire 11 penetrates through the central hole of the coil skeleton 4, and the upper end of the magnetostrictive wire 11 penetrates through a positioning hole 92 formed in the upper plate 9 and is welded to the upper plate 9.
The coil framework 4 can be completely designed into a rotator shape, and is convenient to process, position and install. The upper end of the magnetostrictive wire 11 penetrates through a positioning hole 92 formed in the upper plate 9 to be fixedly connected with the positioning hole, so that the magnetostrictive wire 11 is effectively ensured to penetrate through the central hole of the coil framework 4, the detection signal can be normally transmitted, and the mechanism is simple and convenient to assemble.

Claims (1)

1. The magnetostriction liquid level meter head mechanism is characterized by comprising a meter shell seat (1), a bottom plate (3), an upper plate (9), a wiring terminal board (8), a detection circuit board (10) and an analog circuit board (6), a coil framework (4), a bottom plate connecting column (2), an upper plate connecting column (5), a wiring terminal board connecting column (7) and a meter shell (12);
the bottom plate connecting column (2), the upper plate connecting column (5) and the wiring terminal board connecting column (7) are single-head hexagonal copper columns, namely connecting columns with a threaded head at the lower end, a hexagonal prism in the middle and a threaded hole at the upper end face;
the 3 bottom plate connecting columns (2) are distributed on the upper end face of the watchcase seat (1), and the bottom plate connecting columns (2) are fixedly connected with threaded holes formed in the upper end face of the watchcase seat (1) in a matched mode through threaded heads (21) at the lower ends of the bottom plate connecting columns;
a connecting through hole (30) is formed in the bottom plate (3) corresponding to the bottom plate connecting column (2), and the upper plate connecting column (5) is connected with a threaded hole formed in the upper end face of the bottom plate connecting column (2) in a matched manner through a threaded head (51) at the lower end of the upper plate connecting column and clamps, extrudes and fixes the bottom plate (3);
a connecting through hole (90) is formed in the upper plate (9) corresponding to the upper plate connecting column (5), and the wiring terminal plate connecting column (7) is connected with a threaded hole formed in the upper end face of the upper plate connecting column (5) in a matched manner through a threaded head (71) at the lower end of the wiring terminal plate connecting column and clamps, extrudes and fixes the upper plate (9);
a screw (13) is arranged on the wiring terminal board (8) and is matched and connected with a threaded hole formed in the upper end face of the wiring terminal board connecting column (7), and the wiring terminal board (8) is fixed on the wiring terminal board connecting column (7);
the detection circuit board (10) and the analog circuit board (6) are vertically arranged and fixedly connected between the bottom plate (3) and the upper plate (9);
the coil framework (4) is fixedly connected to the lower end face of the bottom plate (3), the magnetostrictive wire (11) penetrates through the central hole of the coil framework (4), and the upper end of the magnetostrictive wire (11) penetrates through a positioning hole (92) formed in the upper plate (9) and is welded on the upper plate (9).
CN201611134904.9A 2016-12-11 2016-12-11 Magnetostrictive liquid level meter head mechanism Active CN106525195B (en)

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CN201611134904.9A CN106525195B (en) 2016-12-11 2016-12-11 Magnetostrictive liquid level meter head mechanism

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Application Number Priority Date Filing Date Title
CN201611134904.9A CN106525195B (en) 2016-12-11 2016-12-11 Magnetostrictive liquid level meter head mechanism

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CN106525195B true CN106525195B (en) 2023-04-25

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010217082A (en) * 2009-03-18 2010-09-30 Tatsuno Corp Device for measurement of liquid level
CN202403772U (en) * 2011-12-14 2012-08-29 丹东通博电器(集团)有限公司 Probe tube mechanism for magnetostriction liquid indicator
CN203148496U (en) * 2013-02-27 2013-08-21 郑州永邦电气有限公司 Waveguide wire tensioning mechanism for magnetostrictive liquid level meter
CN104215219A (en) * 2014-08-26 2014-12-17 中国建筑股份有限公司 High-precision magnetostrictive static level gauge and measurement method thereof
CN105547416A (en) * 2016-02-04 2016-05-04 北京和光伟业传感技术有限公司 Magnetostriction liquid level sensor
CN206399504U (en) * 2016-12-11 2017-08-11 丹东通博电器(集团)有限公司 Magnetostriction liquidometer gauge outfit mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010217082A (en) * 2009-03-18 2010-09-30 Tatsuno Corp Device for measurement of liquid level
CN202403772U (en) * 2011-12-14 2012-08-29 丹东通博电器(集团)有限公司 Probe tube mechanism for magnetostriction liquid indicator
CN203148496U (en) * 2013-02-27 2013-08-21 郑州永邦电气有限公司 Waveguide wire tensioning mechanism for magnetostrictive liquid level meter
CN104215219A (en) * 2014-08-26 2014-12-17 中国建筑股份有限公司 High-precision magnetostrictive static level gauge and measurement method thereof
CN105547416A (en) * 2016-02-04 2016-05-04 北京和光伟业传感技术有限公司 Magnetostriction liquid level sensor
CN206399504U (en) * 2016-12-11 2017-08-11 丹东通博电器(集团)有限公司 Magnetostriction liquidometer gauge outfit mechanism

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