CN114608535A

CN114608535A - Magnetic suspension type level meter

Info

Publication number: CN114608535A
Application number: CN202210087449.0A
Authority: CN
Inventors: 王喆; 王书逸
Original assignee: Suzhou Hehengdong Electronic Technology Co ltd
Current assignee: Suzhou Hehengdong Electronic Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-10

Abstract

The invention discloses a magnetic suspension type level meter, which comprises a base, wherein a magnetic suspension assembly is arranged at the upper end of the base, a pendulum bob is arranged in the magnetic suspension assembly, a bar code for storing position information is arranged in the middle of the pendulum bob, a CCD linear camera for detecting the bar code information and a first control board connected with the CCD linear camera are arranged on one side in the base, and the first control board is used for analyzing the bar code information shot by the CCD linear camera.

Description

Magnetic suspension type level meter

Technical Field

The invention relates to the field of gradienters, in particular to a magnetic suspension type gradienter.

Background

A level gauge is a common gauge for measuring small angles. In industries such as semiconductor manufacturing, laser instruments and meters, equipment and the like, the gas-bubble type level meter is mainly used for measuring an inclination angle relative to a horizontal position, flatness and straightness of a guide rail of machine tool equipment, a horizontal position and a vertical position of equipment installation and the like, the current level meter is a bubble type level meter or other gravity type level meters, the bubble type level meter has a liquid leakage problem after being used for a long time, and the gravity type level meter has friction influence when moving through gravity, so that the detection precision is influenced.

Disclosure of Invention

The invention aims to provide a magnetic suspension type level gauge for improving detection precision.

The technical scheme adopted by the invention for solving the technical problems is as follows: magnetic suspension type spirit level, the on-line screen storage device comprises a base, the base upper end is provided with the magnetic suspension and hangs the subassembly, be provided with the pendulum in the magnetic suspension hangs the subassembly, the pendulum middle part is provided with the bar code that the storage has positional information, one side is provided with the CCD linear camera that is used for detecting bar code information and the first control panel of being connected with CCD linear camera in the base, first control panel is used for resolving the bar code information that CCD linear camera was shot.

Further, the method comprises the following steps: the magnetic suspension assembly comprises a shell, a suspension shaft is arranged inside the shell, a first magnetic part and a second magnetic part are fixed at two ends of the suspension shaft respectively, a third magnetic part fixed on the shell is arranged on an outer ring of the first magnetic part, a fourth magnetic part fixed on the shell is arranged on the outer side of the second magnetic part, the magnetic positions of the first magnetic part and the third magnetic part are the same, and the magnetic positions of the second magnetic part and the fourth magnetic part are the same.

Further, the method comprises the following steps: a fifth magnetic part fixed in the shell is arranged on one side, away from the second magnetic part, of the first magnetic part, and the magnetism of opposite surfaces of the first magnetic part and the fifth magnetic part is the same;

a sixth magnetic part fixed in the shell is arranged on one side, away from the first magnetic part, of the second magnetic part; the magnetic property of the opposite surfaces of the second magnetic element and the sixth magnetic element is the same.

Further, the method comprises the following steps: the middle part of the pendulum clock is glass, the bar code is arranged on the glass, a second control panel is arranged on the other side in the base, an LED lamp is arranged on the second control panel, and the position of the LED lamp corresponds to the position of the CCD linear camera.

Further, the method comprises the following steps: and damping devices are arranged at the bottoms of the base and the pendulum bob.

Further, the method comprises the following steps: the damping device comprises a damping block arranged at the bottom of the pendulum, a first damping component and a second damping component are respectively arranged on two sides of the damping block, and the first damping component and the second damping component are both arranged on the base;

the first damping assembly comprises a plurality of seventh magnetic pieces, the magnetic properties of the surfaces of the two adjacent seventh magnetic pieces are opposite, the second damping assembly comprises a plurality of eighth magnetic pieces corresponding to the seventh magnetic pieces one by one, the magnetic properties of the surfaces of the two adjacent seventh magnetic pieces are opposite, the magnetic properties of the surfaces of the two adjacent eighth magnetic pieces are opposite, and the surface polarities of the two seventh magnetic pieces and the surfaces of the eight magnetic pieces corresponding to one by one are opposite.

Further, the method comprises the following steps: the seventh magnetic element and the eighth magnetic element are arranged in an array.

Further, the method comprises the following steps: the damping block is made of copper or silver.

The invention has the beneficial effects that:

1. according to the invention, the pendulum bob is suspended in the magnetic suspension assembly by adopting the design of the magnetic suspension assembly, so that the pendulum bob does not have friction force when rotating under the action of gravity, and the accuracy of the level meter is higher during detection.

2. According to the invention, through the arrangement of the CCD linear camera and the bar code, the position of the pendulum bob can be accurately read, so that the current levelness can be accurately measured.

3. The damping device can automatically generate damping in the swinging process, so that the pendulum bob can be quickly and stably arranged.

Drawings

Fig. 1 is a schematic structural view of a magnetically suspended level according to an embodiment of the present application.

Fig. 2 is another perspective view structure diagram of the magnetic suspension level according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a pendulum and a magnetic suspension assembly of a magnetic suspension level according to an embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a pendulum and a magnetic suspension assembly of a magnetic suspension level according to an embodiment of the present disclosure.

Labeled as: 1. a base; 11. a CCD linear camera; 12. a first control board; 13. a second control board; 14. an LED lamp; 2. a magnetic suspension assembly; 21. a housing; 22. a first magnetic member; 23. a second magnetic member; 24. a third magnetic member; 25. a fourth magnetic member; 26. a fifth magnetic member; 27. a sixth magnetic member; 28. a suspension shaft; 3. pendulum bob, 31, bar code; 41. a damping block; 42. a seventh magnetic member; 43. and an eighth magnetic member.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the embodiment of the present application discloses a magnetic suspension type level, which includes a base 1, a magnetic suspension assembly 2 is arranged at the upper end of the base 1, a pendulum 3 is arranged in the magnetic suspension assembly 2, and a bar code 31 storing position information is arranged in the middle of the pendulum 3. One side is provided with CCD linear camera 11 and the first control panel 12 of being connected with CCD linear camera 11 that is used for detecting bar code 31 information in the base 1, first control panel 12 is used for the bar code 31 information that the analytic CCD linear camera 11 was shot.

The first control board 12 is an existing control module, and is used for analyzing barcode information, and the application does not improve the barcode information.

During specific work, the magnetic suspension type level meter is installed on articles such as buildings and equipment needing horizontal detection, when the articles to be detected incline, the pendulum bob 3 swings to be perpendicular to the ground plane under the action of gravity, and after the pendulum bob swings in place, the CCD linear camera 11 shoots bar code information of the current position and sends the bar code information to the first control board 12 to analyze and obtain the current levelness, so that levelness detection is realized.

In the above-mentioned structure, through the setting of magnetic suspension subassembly 2, can make pendulum 3 only receive the action of gravity when rotatory, not have the influence of other frictional forces to it is more accurate to make to detect when this spirit level uses, uses CCD linear camera 11 to carry out the position simultaneously and detects and can make more accurate when reading bar code 31, thereby guarantees the accuracy when whole spirit level uses.

In this embodiment, the magnetic suspension assembly 2 includes a housing 21, a suspension shaft 28 is disposed inside the housing 21, a first magnetic member 22 and a second magnetic member 23 are respectively fixed at two ends of the suspension shaft 28, a third magnetic member 24 fixed on the housing 21 is disposed on an outer ring of the first magnetic member 22, a fourth magnetic member 25 fixed on the housing 21 is disposed on an outer side of the second magnetic member 23, magnetic positions of the first magnetic member 22 and the third magnetic member 24 are the same, and magnetic positions of the second magnetic member 23 and the fourth magnetic member 25 are the same.

In specific work, when the pendulum bob 3 moves under the action of gravity, the pendulum bob 3 drives the suspension shaft 28 to rotate until the pendulum bob 3 is perpendicular to the ground plane.

In the above structure, since the magnetic positions of the first magnetic member 22 and the third magnetic member 24 are the same, and the magnetic positions of the second magnetic member 23 and the fourth magnetic member 25 are the same, the floating shaft 28 can be suspended in the third magnetic member 24 and the fourth magnetic member 25 according to the principle that like poles repel and opposite poles attract, so that the floating shaft does not contact the housing 21, thereby avoiding the friction force generated in the detection process and improving the detection accuracy of the level meter.

In this embodiment, a fifth magnetic member 26 fixed in the housing 21 is disposed on a side of the first magnetic member 22 away from the second magnetic member 23, and the magnetic properties of the opposing surfaces of the first magnetic member 22 and the fifth magnetic member 26 are the same;

a sixth magnetic part 27 fixed in the shell 21 is arranged on one side of the second magnetic part 23 away from the first magnetic part 22; the magnetic properties of the opposite surfaces of the second magnetic member 23 and the sixth magnetic member 27 are the same.

In the structure, because the magnetism of the opposite surfaces of the first magnetic part 22 and the fifth magnetic part 26 is the same, and the magnetism of the opposite surfaces of the second magnetic part 23 and the sixth magnetic part 27 is the same, the two ends of the suspension shaft 28 can not be in contact with the shell 21, and the left and right shaking can not occur, so that the complete suspension performance of the suspension shaft 28 is ensured, the friction force generated in the detection process is avoided, and the detection precision of the level meter is improved.

In this embodiment, the middle of the pendulum clock is glass, the barcode 31 is arranged on the glass, the barcode is a one-dimensional barcode, the second control board 13 is arranged on the other side in the base 1, the LED lamp 14 is arranged on the second control board 13, and the position of the LED lamp 14 corresponds to the position of the CCD linear camera 11.

When the LED glass pendulum bob works specifically, the second control board 13 controls the LED lamp 14 to be turned on, after the pendulum bob 3 swings in place, the LED lamp 14 provides background light for glass, and the CCD linear camera 11 can acquire the bar code 31 at the current position.

The arrangement of the LED lamp 14 in the structure can make the CCD linear camera 11 clearer when collecting the information of the bar code 31, thereby ensuring the accuracy of the detection of the level meter.

In this embodiment, damping devices are further disposed at the bottoms of the base 1 and the pendulum bob 3, each damping device includes a damping block 41 disposed at the bottom of the pendulum bob 3, a first damping assembly and a second damping assembly are disposed on two sides of the damping block 41, and both the first damping assembly and the second damping assembly are mounted on the base 1;

the first damping assembly comprises a plurality of seventh magnetic members 42, the magnetic properties of the surfaces of the adjacent two seventh magnetic members 42 are opposite, the second damping assembly comprises a plurality of eighth magnetic members 43 corresponding to the seventh magnetic members 42 in a one-to-one manner, the magnetic properties of the surfaces of the adjacent two seventh magnetic members 42 are opposite, the magnetic properties of the surfaces of the adjacent two eighth magnetic members 43 are opposite, and the polarities of the surfaces of the one-to-one corresponding two seventh magnetic members 42 and the surfaces of the eighth magnetic members 43 are opposite.

Specifically, the damping block 41 is made of copper or silver, or other materials which have no magnetism, excellent conductivity and high specific gravity.

In specific operation, when pendulum 3 is moved by gravity, damping block 41 cuts magnetic lines of force generated by seventh magnetic element 42 and eighth magnetic element 43 corresponding thereto to generate damping, so that pendulum 3 is forced to move to be perpendicular to the ground plane, i.e. to stop.

The setting of above-mentioned structure can make pendulum 3 swing to stop stable rapidly after targetting in place to it is more accurate to make this spirit level can detect.

In this embodiment, a plurality of the seventh magnetic elements 42 and the eighth magnetic elements 43 are arranged in an array.

The arrangement of the structure can make the magnetic field formed by the magnetic part more uniform, thereby ensuring the rapid stability of the pendulum bob 3.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Magnetic suspension type spirit level, its characterized in that: including base (1), base (1) upper end is provided with magnetic suspension and hangs subassembly (2), be provided with pendulum (3) in magnetic suspension hangs subassembly (2), pendulum (3) middle part is provided with bar code (31) that the storage has positional information, one side is provided with CCD linear camera (11) that are used for detecting bar code (31) information and first control panel (12) of being connected with CCD linear camera (11) in base (1), bar code (31) information that first control panel (12) are used for resolving CCD linear camera (11) and shoot.

2. A magnetic suspension suspended level as claimed in claim 1, wherein: magnetic suspension hangs subassembly (2) and includes casing (21), casing (21) inside is provided with suspension axle (28), suspension axle (28) both ends are fixed with first magnetism spare (22) and second magnetism spare (23) respectively, first magnetism spare (22) outer lane is provided with third magnetism spare (24) of fixing on casing (21), second magnetism spare (23) outside is provided with fourth magnetism spare (25) of fixing on casing (21), first magnetism spare (22) are the same with third magnetism spare (24) magnetic position, and second magnetism spare (23) are the same with fourth magnetism spare (25) magnetic position.

3. The magnetic suspension level according to claim 2, wherein: a fifth magnetic part (26) fixed in the shell (21) is arranged on one side, away from the second magnetic part (23), of the first magnetic part (22), and the magnetism of opposite surfaces of the first magnetic part (22) and the fifth magnetic part (26) is the same;

and a sixth magnetic part (27) fixed in the shell (21) is arranged on one side, away from the first magnetic part (22), of the second magnetic part (23), and the magnetism of the opposite surfaces of the second magnetic part (23) and the sixth magnetic part (27) is the same.

4. The magnetic suspension level according to claim 1, wherein: the pendulum clock is characterized in that the middle of the pendulum clock is glass, the bar code (31) is arranged on the glass, a second control plate (13) is arranged on the other side in the base (1), an LED lamp (14) is arranged on the second control plate (13), and the position of the LED lamp (14) corresponds to the position of the CCD linear camera (11).

5. A magnetic suspension suspended level as claimed in claim 1, wherein: damping devices are further arranged at the bottoms of the base (1) and the pendulum bob (3).

6. The magnetic suspension suspended level of claim 5, wherein: the damping device comprises a damping block (41) arranged at the bottom of the pendulum bob (3), a first damping assembly and a second damping assembly are respectively arranged on two sides of the damping block (41), and the first damping assembly and the second damping assembly are both arranged on the base (1);

the first damping assembly comprises a plurality of seventh magnetic pieces (42), the magnetic properties of the surfaces of the adjacent two seventh magnetic pieces (42) are opposite, the second damping assembly comprises a plurality of eighth magnetic pieces (43) corresponding to the seventh magnetic pieces (42) in a one-to-one mode, the magnetic properties of the surfaces of the adjacent two seventh magnetic pieces (42) are opposite, the magnetic properties of the surfaces of the adjacent two eighth magnetic pieces (43) are opposite, and the polarities of the surfaces of the one-to-one corresponding two seventh magnetic pieces (42) and the surfaces of the eighth magnetic pieces (43) are opposite.

7. The magnetic suspension suspended level of claim 6, wherein: the seventh magnetic member (42) and the eighth magnetic member (43) are arranged in an array.

8. The magnetic suspension suspended level of claim 6, wherein: the damping block (41) is made of copper or silver.