Industrial measuring instrument

Abstract

The utility model belongs to the field of measuring equipment, and particularly discloses an industrial measuring instrument, a shell structure is internally provided with a core body assembly and a PCB assembly, and the PCB assembly is located above the core body assembly; the core body assembly comprises a core body gland; the core body gland is located in the middle of the interior of the shell structure, the core body gland is formed by oppositely combining two half cover bodies, an X-direction core body, a Y-direction core body and a Z-direction core body are arranged in the core body gland, the bottom end of the Z-direction core body is tightly connected with the inner wall of the shell structure through a first sealing ring, and the surface of the bottom end of the core body gland is tightly attached to the inner wall of the shell structure; according to the utility model, when the equipment leaves a factory, data obtained by the rotating table is used for calibration processing, and third-order compensation is carried out on the data, so that the accuracy of the data can be improved, and the collected data is processed in a sliding window manner, so that the smoothness of a data curve can be ensured, the measurement precision of the device is 0.03%, and the measurement precision of the device is greatly improved. And the detection resolution is six thousandths.

Description

Technical Field

[0001] The utility model relates to the field of measuring equipment, in particular to an industrial measuring instrument. Background Art

[0002] The tilt sensor is an instrument used to measure the tilt angle of an object relative to a plane. The tilt sensor is also called an inclinometer, inclinometer, inclinometer, level, inclinometer, and is often used to accurately measure the horizontal angle change of an object. It can measure the inclination of the measured plane relative to the horizontal position, the parallelism and verticality of the two parts; it has become an indispensable and important measuring instrument in the fields of bridge construction, railway laying, civil engineering, oil drilling, aviation and navigation, industrial automation, intelligent platform, mechanical processing, etc.

[0003] The inclination sensors currently on the market have the following disadvantages:

[0004] 1. Poor measurement accuracy;

[0005] 2. The detection resolution is too large;

[0006] 3. Complicated calibration;

[0007] 4. The nonlinear error is large. Utility Model Content

[0008] The purpose of the utility model is to provide an industrial measuring instrument to solve the problems raised in the above background technology.

[0009] To achieve the above object, the utility model provides the following technical solution: an industrial measuring instrument, comprising a housing structure; a core assembly and a PCB assembly are arranged inside the housing structure, and the PCB assembly is located above the core assembly;

[0010] The core assembly includes a core gland; the core gland is located in the middle of the shell structure, and is formed by two half covers. An X-direction core, a Y-direction core and a Z-direction core are respectively arranged inside the core gland, and the bottom end of the Z-direction core is tightly connected to the inner wall of the shell structure through a first sealing ring, and the bottom end surface of the core gland is tightly fitted to the inner wall of the shell structure.

[0011] Preferably, the shell structure includes a lower shell, a middle shell and an upper cover; the bottom end of the core gland is tightly fitted with the inner wall of the lower shell, the top of the core gland is connected to the middle shell, a through hole is opened at the center of the surface of the middle shell, a sealing silicone ring is arranged inside the through hole, the sealing silicone ring is sealed and connected to the through hole through a second sealing ring, and the PCB assembly is located inside the sealing silicone ring.

[0012] Preferably, the surface of the middle shell is connected to an upper cover, the four corners of the upper cover surface are connected with connecting screws, and a level bubble is arranged at the center of the upper cover surface.

[0013] Preferably, a PTI2A08 connector cable assembly is connected to the side of the shell structure.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model performs calibration processing on the data obtained by the rotating table when the equipment leaves the factory, and performs third-order compensation on the data, thereby improving the accuracy of the data, and processes the collected data by means of a sliding window, thereby ensuring a smooth data curve, so that the measurement accuracy of the utility model is 0.03%, and the detection resolution is 6 thousandths of a degree. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 An overall exploded view of an industrial measuring instrument provided by the utility model;

[0016] Figure 2 An overall cross-sectional view of an industrial measuring instrument provided by the utility model;

[0017] Figure 3 The utility model provides an overall flow chart of an industrial measuring instrument.

[0018] In the figure: 1. connecting screws; 2. level bubble; 3. upper cover; 4. PTI2A08 connector cable assembly; 5. sealing silicone ring; 6. PCB assembly; 7. second sealing ring; 8. middle shell; 9. X-axis core; 10. core gland; 11. Y-axis core; 12. Z-axis core; 13. first sealing ring; 14. lower shell. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-Figure 3 , the utility model provides a technical solution: an industrial measuring instrument, comprising a housing structure; a core assembly and a PCB assembly 6 are arranged inside the housing structure, and the PCB assembly 6 is located above the core assembly;

[0023] The core assembly includes a core gland 10; the core gland 10 is located in the middle of the shell structure, and is formed by two half covers. An X-direction core 9, a Y-direction core 11, and a Z-direction core 12 are respectively arranged inside the core gland 10, and the bottom end of the Z-direction core 12 is tightly connected to the inner wall of the shell structure through a first sealing ring 13, and the bottom end surface of the core gland 10 is tightly fitted to the inner wall of the shell structure;

[0024] The X-direction core 9 , the Y-direction core 11 and the Z-direction core 12 are limited and fixed by the core gland 10 , and the first sealing ring 13 ensures the sealing of the connection between the core gland 10 and the shell structure.

[0025] The housing structure comprises a lower shell 14, a middle shell 8 and an upper cover 3; the bottom end of the core gland 10 is tightly fitted with the inner wall of the lower shell 14, the top of the core gland 10 is fixedly connected with the middle shell 8, a through hole is opened at the center of the surface of the middle shell 8, a sealing silicone ring 5 is arranged inside the through hole, the sealing silicone ring 5 is sealed and connected with the through hole through a second sealing ring 7, and the PCB assembly 6 is located inside the sealing silicone ring 5;

[0026] The sealing silicone ring 5 and the second sealing ring 7 are used to ensure the sealing of the PCB assembly 6 inside the housing structure.

[0027] The surface of the middle shell 8 is connected to an upper cover 3, the four corners of the upper cover 3 are connected with connecting screws 1, and the center of the upper cover 3 is provided with a level bubble 2;

[0028] A PTI2A08 connector cable assembly 4 is connected to the top side of the shell structure.

[0029] like Figure 1-Figure 3As shown, the utility model is an industrial measuring instrument, which is based on the principle of Newton's second law and accurately measures the inclination of an object by measuring the acceleration of gravity and the acceleration of the object relative to the vertical direction;

[0030] The main process of this utility model is as follows Figure 3 As shown, after the start, the communication serial port is initialized first, and then the main program collects angle data at intervals of 50ms. After that, the host computer issues an acquisition request instruction. After acquisition, the sliding window is fitted by the algorithm and the third-order coefficient compensation is used for calculation. After the calculation is completed, the data is returned to the host computer, thereby realizing the entire measurement process.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An industrial measuring instrument, characterized in that: It comprises a shell structure; a core assembly and a PCB assembly (6) are arranged inside the shell structure, and the PCB assembly (6) is located above the core assembly; The core assembly comprises a core gland (10); the core gland (10) is located in the middle of the shell structure, the core gland (10) is formed by two halves of the gland, an X-direction core (9), a Y-direction core (11) and a Z-direction core (12) are respectively arranged inside the core gland (10), the bottom end of the Z-direction core (12) is tightly connected to the inner wall of the shell structure through a first sealing ring (13), and the bottom end surface of the core gland (10) is tightly fitted to the inner wall of the shell structure.

2. An industrial measuring instrument according to claim 1, characterized in that: The shell structure comprises a lower shell (14), a middle shell (8) and an upper cover (3); the bottom end of the core gland (10) is tightly fitted with the inner wall of the lower shell (14), the top of the core gland (10) is connected with the middle shell (8), a through hole is opened at the center of the surface of the middle shell (8), a sealing silicone ring (5) is arranged inside the through hole, the sealing silicone ring (5) is sealed and connected to the through hole via a second sealing ring (7), and the PCB assembly (6) is located inside the sealing silicone ring (5).

3. An industrial measuring instrument according to claim 2, characterized in that: The surface of the middle shell (8) is connected to an upper cover (3), the four corners of the surface of the upper cover (3) are connected to connecting screws (1), and the center of the surface of the upper cover (3) is provided with a level bubble (2).

4. An industrial measuring instrument according to claim 1, characterized in that: A PTI2A08 connector cable assembly (4) is connected to the side of the housing structure.

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