CN211717568U - Magnetic shrinkage liquid level sensor shell - Google Patents
Magnetic shrinkage liquid level sensor shell Download PDFInfo
- Publication number
- CN211717568U CN211717568U CN202020602865.6U CN202020602865U CN211717568U CN 211717568 U CN211717568 U CN 211717568U CN 202020602865 U CN202020602865 U CN 202020602865U CN 211717568 U CN211717568 U CN 211717568U
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- China
- Prior art keywords
- magnet
- shell
- protection tube
- level sensor
- liquid level
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Abstract
The utility model relates to a magnetic induced shrinkage liquid level sensor shell, including the electron storehouse shell, one side of electron storehouse shell is connected with the protection tube that is used for holding the waveguide silk, and electron storehouse shell upper portion is provided with electrical interface, and the protection tube outside is provided with two slide rails that are on a parallel with the protection tube central line at least, and the gliding cover on the protection tube is equipped with the floater that is used for holding movable magnet, and the protection tube tail end is provided with the stopper, and the floater includes magnet shell and side cap, and the side cap passes through the screw thread and installs on the magnet; the magnet shell is a circular groove, and a magnet support rod for supporting the movable magnet is arranged at the bottom of the circular groove; cushion pads are laid at the bottom of the circular groove and at the inner sides of the side covers; and a sliding groove matched with the sliding rail is arranged on the outer side of the inner annular wall of the magnet shell. This application restricts the removal magnet through setting up the guide rail on the protection tube of wave guide silk and takes place to deflect and cause the problem that the measuring accuracy descends, simultaneously, sets up the magnet bracing piece and increases the blotter in the floater that is used for holding removal magnet, avoids removing the magnet vibrations, and then improves the magnetic shrinkage sensor reliability.
Description
Technical Field
The utility model belongs to the technical field of the magnetic induced shrinkage level sensor, particularly, relate to a magnetic induced shrinkage level sensor shell.
Background
The magnetostrictive sensor is a tool which accurately measures the position by utilizing the magnetostrictive principle and generating a strain pulse signal through the intersection of two different magnetic fields; the magnetostrictive sensor is widely applied to the fields of water conservancy, petroleum, chemical engineering and the like, and the position is accurately measured by utilizing the magnetostrictive principle and generating a strain pulse signal through the intersection of two different magnetic fields.
Since the nineties of the last century, China begins to research and develop magnetostrictive displacement sensors, and various magnetostrictive position liquid level sensors of a plurality of manufacturers are available. The magnetostrictive sensor is easy to be interfered by external environmental factors in the using process, so that the interference is reduced by generally adopting an adjusting sensor structure in the field, for example, the movable magnet rotates or vibrates, the magnetic field is changed to influence the testing accuracy, and meanwhile, the problem that the movable magnet is not easy to replace exists.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a magnetic induced shrinkage level sensor shell to there is removal magnet to take place to rotate or shake among the solution prior art, causes magnetic field to change and influences the test accuracy, also has the difficult removal magnet scheduling problem of changing simultaneously.
In order to solve the problems, the utility model provides a magnetic induced shrinkage liquid level sensor shell, including the electron storehouse shell, one side of electron storehouse shell is connected with the protection tube that is used for holding the waveguide silk, and electron storehouse shell upper portion is provided with electrical interface, the protection tube cross-section becomes circular, and the protection tube outside is provided with two slide rails that are parallel to the protection tube central line at least, and the gliding cover on the protection tube is equipped with the floater that is used for holding movable magnet, and the protection tube tail end is provided with the stopper, the floater includes magnet shell and side cap, and the side cap passes through the screw thread and installs on the magnet; the magnet shell is an annular groove, a magnet support rod for supporting the movable magnet is arranged at the bottom of the annular groove, and the length of the magnet support rod is slightly smaller than the thickness of the magnet floating ball shell; cushion pads are laid at the bottom of the circular groove and at the inner sides of the side covers; and a sliding groove matched with the sliding rail is arranged on the outer side of the inner annular wall of the magnet shell.
Furthermore, the slide rail has two at least, and the symmetrical setting is on the lateral wall of protective tube.
Furthermore, the number of the slide rails is three, and the finished product font is uniformly distributed on the outer side wall of the protection pipe.
Furthermore, at least two grooves are formed in the outer side face of the side cover, the grooves are giant or square, the grooves are used for fixing the side cover of the floating ball, and the magnet shell is rotated to open the floating ball.
Further, the limiting head is installed at the tail end of the protection pipe through threads.
The utility model has the advantages that: the technical scheme of the utility model limits the problem that the deflection of the movable magnet causes the reduction of the test precision by arranging the guide rail on the protective tube of the waveguide wire, and simultaneously, the magnet support rod is arranged in the floating ball for holding the movable magnet and the buffer pad is added to avoid the vibration of the movable magnet, thereby improving the precision and the reliability of the optical fiber magnetic field sensor;
and simultaneously, the utility model discloses well removal magnet floater adopts the magnet shell and can open the design of side cap, very big has made things convenient for the purpose of changing removal magnet.
Drawings
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a structure of a second sliding groove of the magnet housing of the present invention;
FIG. 3 is a schematic view of the structure of the three sliding grooves of the magnet casing of the present invention;
in the figure, 1 is an electrical interface, 2 is a movable magnet, 3 is a side cover, 4 is a limit head, 5 is a slide rail, 6 is a screw thread, 7 is a cushion pad, 8 is a magnet support rod, 9 is a magnet shell, 9-1 is an outer ring wall, 9-2 is an inner ring wall, 10 is a protection tube, 11 is a waveguide wire, 12 is an electronic cabin shell, and 13 is a sliding chute.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1: as shown in fig. 1 to 3, a magnetostrictive liquid level sensor housing includes an electronic cabin housing 12, electronic components such as a control circuit, a detector, and a power board are disposed in the electronic cabin housing 12, a protection tube 10 for accommodating a waveguide 11 is connected to one side of the electronic cabin housing 12, an electrical interface 1 is disposed on the upper portion of the electronic cabin housing 12, the electrical interface 1 is connected to an upper computer through a cable, the section of the protection tube 10 is circular, two slide rails 5 parallel to the center line of the protection tube 10 are disposed outside the protection tube 10, the section of the slide rails 5 is giant or semicircular, a floating ball for accommodating a movable magnet 2 is slidably mounted on the protection tube 10, and the floating ball is cylindrical with two sealed ends. The tail end of the protection tube 10 is provided with a limiting head 4, and the limiting head 4 is screwed on the tail end of the protection tube 10 through a thread structure. The floating ball comprises a magnet shell 9 and a side cover 3, the side cover 3 is installed on the magnet shell 9 through threads, and the magnet shell 9 and the side cover are assembled to form an annular box body; the magnet shell 9 is a circular groove, four magnet support rods 8 for supporting the movable magnet 2 are arranged at the bottom of the circular groove, and the length of each magnet support rod 8 is slightly smaller than the thickness of the magnet shell 9; a buffer pad 7 is laid at the bottom of the circular groove and at the inner side of the side cover 3, and the buffer pad 7 is made of elastic rubber; and a sliding groove 13 matched with the sliding rail 5 is arranged on the outer side of the inner annular wall 9-2 of the magnet shell 9, and the sliding groove 13 is in clearance fit with the sliding rail.
In this embodiment, at least two sliding rails 5 and two sliding grooves are symmetrically arranged on the outer side wall of the protection tube 10, specifically, one sliding rail is arranged right above the protection tube 10, and the other sliding rail is arranged right below the protection tube; or the number of the slide rails 5 is three, and the finished product is uniformly distributed on the outer side wall of the protective tube 10 in a shape like a Chinese character 'ji'.
In this embodiment, at least two grooves are arranged on the outer side surface of the side cover 3, the grooves are giant or square, the grooves are used for fixing the side cover 3 of the floating ball, the floating ball is opened by rotating the magnet shell 9, and the movable magnet 2 inside is replaced or maintained; the limiting head 4 is cylindrical, and the limiting head 4 is installed at the tail end of the protection tube 10 through threads.
Assembling the movable magnet and the protection tube: placing the movable magnet into an annular groove of the magnet shell, screwing the side cover in advance, then placing the side cover on a workbench provided with protrusions corresponding to the side cover grooves, and rotating the magnet shell to screw the side cover and the magnet shell tightly; then, taking down the limiting head, sleeving the floating ball on the protection tube, and installing the limiting head on the tail end of the protection tube for limiting; the assembly is completed, and the movable magnet can be taken down by reverse operation when the movable magnet needs to be replaced.
The measurement principle is as follows: the floating ball is sleeved on the protective outer pipe and can move axially, induction signals are generated between the floating ball and the waveguide wire in the protective outer pipe, different signals are generated at different positions, and the position is accurately detected by processing of the control conversion circuit. And then the signal is transmitted to an upper computer of a monitoring center through an electrical interface and a data line so as to carry out remote monitoring.
The foregoing detailed description has been presented to illustrate the principles and embodiments of the present application by way of example, and the foregoing detailed description is only for the purpose of facilitating understanding the method and the core concept of the present application, and the present disclosure should not be construed as limiting the present application by way of limitation, as will be apparent to those skilled in the art based on the teachings herein.
Claims (5)
1. The utility model provides a magnetic induced shrinkage liquid level sensor shell, includes the electronics storehouse shell, and one side of electronics storehouse shell is connected with the protection tube that is used for holding the waveguide silk, and electronics storehouse shell upper portion is provided with electrical interface, its characterized in that: the section of the protection tube is circular, at least two sliding rails parallel to the central line of the protection tube are arranged outside the protection tube, a floating ball used for containing a movable magnet is sleeved on the protection tube in a sliding mode, a limiting head is arranged at the tail end of the protection tube, the floating ball comprises a magnet shell and a side cover, and the side cover is installed on the magnet shell through threads; the magnet shell is an annular groove, a magnet support rod for supporting the movable magnet is arranged at the bottom of the annular groove, and the length of the magnet support rod is slightly smaller than the thickness of the magnet floating ball shell; cushion pads are laid at the bottom of the circular groove and at the inner sides of the side covers; and a sliding groove matched with the sliding rail is arranged on the outer side of the inner annular wall of the magnet shell.
2. The magnetostrictive liquid level sensor housing according to claim 1, wherein: the slide rail has two at least, and the symmetrical setting is on the lateral wall of protective tube.
3. The magnetostrictive liquid level sensor housing according to claim 2, wherein: the number of the slide rails is three, and the finished product is uniformly distributed on the outer side wall of the protective tube in a shape like a Chinese character 'ji'.
4. The magnetostrictive liquid level sensor housing according to claim 1, wherein: at least two grooves are formed in the outer side face of the side cover and are in a giant or square shape, the grooves are used for fixing the side cover of the floating ball, and the magnet shell is rotated to open the floating ball.
5. The magnetostrictive liquid level sensor housing according to claim 1, wherein: the limiting head is installed at the tail end of the protection tube through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602865.6U CN211717568U (en) | 2020-04-21 | 2020-04-21 | Magnetic shrinkage liquid level sensor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602865.6U CN211717568U (en) | 2020-04-21 | 2020-04-21 | Magnetic shrinkage liquid level sensor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211717568U true CN211717568U (en) | 2020-10-20 |
Family
ID=72835622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020602865.6U Expired - Fee Related CN211717568U (en) | 2020-04-21 | 2020-04-21 | Magnetic shrinkage liquid level sensor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211717568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608428A (en) * | 2022-03-17 | 2022-06-10 | 华东交通大学 | Working state monitoring system based on magnetostrictive displacement detection |
-
2020
- 2020-04-21 CN CN202020602865.6U patent/CN211717568U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608428A (en) * | 2022-03-17 | 2022-06-10 | 华东交通大学 | Working state monitoring system based on magnetostrictive displacement detection |
| CN114608428B (en) * | 2022-03-17 | 2023-12-26 | 华东交通大学 | Working state monitoring system based on magnetostriction type displacement detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |