CN218511858U - Magnetostrictive liquid level meter - Google Patents

Magnetostrictive liquid level meter Download PDF

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Publication number
CN218511858U
CN218511858U CN202222872232.9U CN202222872232U CN218511858U CN 218511858 U CN218511858 U CN 218511858U CN 202222872232 U CN202222872232 U CN 202222872232U CN 218511858 U CN218511858 U CN 218511858U
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China
Prior art keywords
fixed mounting
liquid level
cover
hemisphere
connecting pipe
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CN202222872232.9U
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Chinese (zh)
Inventor
吕海永
张景依
陈玉林
丁伟勇
吕海军
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Zhejiang Kexing Automatic Control Equipment Co ltd
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Zhejiang Kexing Automatic Control Equipment Co ltd
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    • 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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Abstract

The utility model relates to a magnetostrictive liquid level meter technical field just discloses a magnetostrictive liquid level meter, including the circuit unit, the bottom fixed mounting of circuit unit has the gauge rod, the one end threaded connection that the circuit unit was kept away from to the gauge rod has the stay tube, the inside of stay tube is provided with damper, the connecting pipe has been cup jointed in the outside of gauge rod, integrated into one piece has the hemisphere to float on the connecting pipe, the top fixed mounting that the hemisphere floated has the loading cover, the inside of loading the cover is provided with gauge rod clearance mechanism, the hemisphere floats and is located the below fixed mounting who loads the cover and has the baffle, the connecting pipe passes the baffle and extends to the inside of loading the cover, the hemisphere floats, forms a cavity between connecting pipe and the baffle, fixed mounting has the permanent magnet in the cavity. Can realize clearing up the adnexed foreign matter in probe rod surface, prevent that the foreign matter from piling up the motion that can influence the float behind the excessive to promote the accuracy of detecting data.

Description

Magnetostrictive liquid level meter
Technical Field
The utility model relates to a magnetostrictive liquid level meter technical field specifically is a magnetostrictive liquid level meter.
Background
With the development of science and technology, high and new technology is widely applied to various industries, and the magnetostrictive liquid level meter is widely applied to the liquid level measurement fields of petroleum, chemical engineering and the like by virtue of the characteristics of high precision, strong environmental adaptability, convenience in installation and the like, gradually replaces other traditional sensors and becomes a fine product in liquid level measurement.
Through patent retrieval, the device disclosed in the Chinese patent with the publication number of CN213543732U is characterized in that a measuring rod is fixedly connected to the bottom end of an electronic window, an anti-corrosion sleeve is sleeved on the outer wall of the measuring rod, a liquid level floater is sleeved on the outer wall of the anti-corrosion sleeve, the outer surface of the liquid level floater is thermoplastic and coated with rubber, the rubber is made of a corrosion-resistant rubber material, the anti-corrosion sleeve is a polytetrafluoroethylene tube, the liquid level floater is formed by splicing two hemispheres and is made of polytetrafluoroethylene balls, and therefore the magnetostrictive liquid level meter has high-strength corrosion resistance and cannot be easily damaged in acid-base liquid such as waste liquid, an oil tank and the like.
However, in the actual use process, the following problems still exist to affect the use of the magnetostrictive liquid level meter: the magnetostrictive liquid level meter is usually placed in a tank body with mixed liquid, foreign matters can be attached to the surface of a rear detection rod for a long time, and the movement of a floater can be influenced after the foreign matters are accumulated too much, so that the accuracy of detection data is influenced, and the magnetostrictive liquid level meter is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the above-mentioned shortcoming that prior art exists, the utility model provides a magnetostrictive liquid level meter can solve prior art's problem effectively.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model discloses a magnetostrictive liquid level meter, including the circuit unit, the bottom fixed mounting of circuit unit has the gauge rod, the one end threaded connection that the circuit unit was kept away from to the gauge rod has the stay tube, the inside of stay tube is provided with damper, the connecting pipe has been cup jointed in the outside of gauge rod, integrated into one piece has the hemisphere to float on the connecting pipe, the top fixed mounting that the hemisphere floats has the loading cover, the inside of loading the cover is provided with gauge rod clearance mechanism.
Furthermore, the hemisphere floats and is located the below fixed mounting who loads the cover and has the baffle, the connecting pipe passes the baffle and extends to the inside that loads the cover, a cavity is formed between hemisphere float, connecting pipe and the baffle, fixed mounting has the permanent magnet in the cavity.
Furthermore, the detection rod cleaning mechanism comprises a first fixing column arranged inside the loading cover, a first spring is fixedly mounted on the first fixing column, a second fixing column is inserted into one end, far away from the first fixing column, of the first spring, and a spiral brush is fixedly mounted on the second fixing column.
Furthermore, an inserting hole is formed in the axis of the top of the loading cover, round holes are uniformly formed in the side wall of the loading cover, and the inserting hole is matched with the detection rod.
Furthermore, the hemispherical floater is formed by a half hollow sphere, and the loading cover is formed by a half hollow cylinder.
Furthermore, the damping mechanism comprises a second spring fixedly installed inside the supporting tube, a threaded sleeve is fixedly installed at the top of the second spring, the threaded sleeve is matched with the detection rod, and an end cover is fixedly installed at the top of the supporting tube.
(III) advantageous effects
Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:
the utility model discloses a, circuit unit, probe rod, stay tube, hemisphere float, connecting pipe, permanent magnet, baffle, load the cover, round hole, first fixed column, first spring, second fixed column, spiral brush and peg graft between mutually supporting, can realize clearing up the foreign matter that adheres to the probe rod surface, prevent that the foreign matter from piling up can influence the motion of float after too much to promote the accuracy of detection data; through mutually supporting between the detection pole stay tube second spring thread sleeve pipe end cover again, when jar body takes place vibrations, can carry out the shock attenuation to the detection pole, prevent to damage.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the cleaning mechanism of the present invention;
FIG. 3 is a three-dimensional structure view of the middle hemisphere float of the present invention;
FIG. 4 is a perspective view of the middle damping mechanism of the present invention;
the reference numerals in the drawings denote: 1. a circuit unit; 2. a probe rod; 3. supporting a tube; 4. the hemisphere floats; 5. a connecting pipe; 6. a permanent magnet; 7. a baffle plate; 8. a loading hood; 9. a circular hole; 10. a first fixed column; 11. a first spring; 12. a second fixed column; 13. a spiral brush; 14. inserting holes; 15. a second spring; 16. a threaded bushing; 17. and (4) end covers.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
The magnetostrictive liquid level meter of the embodiment, as shown in fig. 1-4, including circuit unit 1, circuit unit 1's bottom fixed mounting has probe rod 2, probe rod 2 keeps away from circuit unit 1's one end threaded connection has a stay tube 3, the inside of stay tube 3 is provided with damper, connecting pipe 5 has been cup jointed in the outside of probe rod 2, integrated into one piece has hemisphere float 4 on connecting pipe 5, hemisphere float 4's top fixed mounting has a loading cover 8, loading cover 8's inside is provided with probe rod clearance mechanism, in the use, circuit unit 1 can produce current pulse, this current pulse transmits downwards along probe rod 2, and still can form an annular magnetic field around probe rod 2.
As shown in fig. 1, 2 and 3, a baffle 7 is fixedly installed on the hemispherical float 4 and below the loading cover 8, the connecting pipe 5 passes through the baffle 7 and extends into the loading cover 8, a cavity is formed among the hemispherical float 4, the connecting pipe 5 and the baffle 7, the permanent magnet 6 is fixedly installed in the cavity, as the current pulse is transmitted downwards along the detecting rod 2, a return pulse is generated after the current pulse meets the magnetic field generated by the permanent magnet 6, the time difference generated by the return pulse and the current pulse is converted into a pulse signal through the circuit unit 1, and the actual position of the hemispherical float 4 is calculated, so that the height of the liquid level is obtained.
As shown in fig. 1, fig. 2 and fig. 4, the detecting rod cleaning mechanism includes a first fixed column 10 arranged inside the loading cover 8, a first spring 11 is fixedly mounted on the first fixed column 10, a second fixed column 12 is inserted into one end, far away from the first fixed column 10, of the first spring 11, a spiral brush 13 is fixedly mounted on the second fixed column 12, when the liquid level in the tank body rises or falls, the hemisphere float 4 drives the loading cover 8, the loading cover 8 drives the first fixed column 10, the first fixed column 10 drives the first spring 11, the first spring 11 drives the second fixed column 12, the second fixed column 12 drives the spiral brush 13 to clean the detecting rod 2, and the phenomenon that the foreign matters are accumulated too much and then the movement of the hemisphere float 4 is influenced is prevented.
As shown in fig. 1, 2 and 4, an insertion hole 14 is formed at the axis of the top of the loading cover 8, circular holes 9 are uniformly formed in the side wall of the loading cover 8, and the insertion hole 14 is matched with the detection rod 2. Hemisphere floats 4 and constitutes by half hollow spheroid, loads cover 8 and constitutes for half hollow cylinder, and half hollow spheroid constitutes the buoyancy that is favorable to promoting hemisphere and floats 4, makes it carry out nimble accurate regulation according to the liquid level, promotes the accuracy of detecting data.
As shown in fig. 1, fig. 2 and fig. 4, the damping mechanism includes the second spring 15 of the inside fixed mounting of stay tube 3, the top fixed mounting of second spring 15 has threaded sleeve 16, threaded sleeve 16 and probe rod 2 looks adaptation, the top fixed mounting of stay tube 3 has end cover 17, in the use, if under the condition of jar body emergence vibrations, probe rod 2 can drive threaded sleeve 16 under the effect of second spring 15 deformation, make probe rod 2 can have certain home range, prevent probe rod 2 at the in-process of vibrations, because the relatively poor emergence of deformation of self deformability, and probe rod 2 can directly influence the activity that the hemisphere floats 4 if take place to warp, thereby lead to probe rod 2 can't be measuring.
In conclusion, this device can realize clearing up the adnexed foreign matter in probe rod surface, prevents that the foreign matter from piling up the motion that can influence hemisphere and float 4 after too much to promote the accuracy of surveying data, and when jar body takes place vibrations, can carry out the shock attenuation to probe rod 2, prevent to damage.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a magnetostrictive liquid level meter, includes circuit unit (1), the bottom fixed mounting of circuit unit (1) has gauge stick (2), its characterized in that: one end threaded connection that circuit unit (1) was kept away from in gauge rod (2) has stay tube (3), the inside of stay tube (3) is provided with damper, connecting pipe (5) have been cup jointed in the outside of gauge rod (2), integrated into one piece has hemisphere superficial (4) on connecting pipe (5), the top fixed mounting that hemisphere floated (4) has loading cover (8), the inside of loading cover (8) is provided with gauge rod clearance mechanism.
2. A magnetostrictive liquid level gauge according to claim 1, characterized in that: the hemisphere floats on (4) and is located the below fixed mounting who loads cover (8) and has baffle (7), connecting pipe (5) pass baffle (7) and extend to the inside that loads cover (8), it floats to form a cavity between (4), connecting pipe (5) and baffle (7) to hemisphere, fixed mounting has permanent magnet (6) in the cavity.
3. A magnetostrictive liquid level gauge according to claim 1, characterized in that: the detection rod cleaning mechanism comprises a first fixing column (10) arranged inside a loading cover (8), a first spring (11) is fixedly mounted on the first fixing column (10), a second fixing column (12) is inserted into one end, far away from the first fixing column (10), of the first spring (11), and a spiral brush (13) is fixedly mounted on the second fixing column (12).
4. A magnetostrictive liquid level gauge according to claim 1, characterized in that: the axis of the top of the loading cover (8) is provided with a plug hole (14), the side wall of the loading cover (8) is uniformly provided with round holes (9), and the plug hole (14) is matched with the detection rod (2).
5. A magnetostrictive liquid level gauge according to claim 1, characterized in that: the hemispherical floater (4) is composed of a half hollow sphere, and the loading cover (8) is composed of a half hollow cylinder.
6. A magnetostrictive liquid level gauge according to claim 1, characterized in that: damper includes second spring (15) of stay tube (3) inside fixed mounting, the top fixed mounting of second spring (15) has threaded sleeve pipe (16), threaded sleeve pipe (16) and gauge rod (2) looks adaptation, the top fixed mounting of stay tube (3) has end cover (17).
CN202222872232.9U 2022-10-31 2022-10-31 Magnetostrictive liquid level meter Active CN218511858U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222872232.9U CN218511858U (en) 2022-10-31 2022-10-31 Magnetostrictive liquid level meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222872232.9U CN218511858U (en) 2022-10-31 2022-10-31 Magnetostrictive liquid level meter

Publications (1)

Publication Number Publication Date
CN218511858U true CN218511858U (en) 2023-02-21

Family

ID=85217682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222872232.9U Active CN218511858U (en) 2022-10-31 2022-10-31 Magnetostrictive liquid level meter

Country Status (1)

Country Link
CN (1) CN218511858U (en)

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