Hall sensor calibration device

Abstract

The utility model relates to the technical field of petroleum testing devices, in particular to a Hall sensor calibration device which comprises a working table, a driving motor is fixed at the bottom end of the working table, a transmission assembly is arranged on one side of the driving motor and comprises transmission teeth and a driving gear, and the transmission teeth are arranged in the middle of the working table through a bearing. The bottom end of the transmission gear is in transmission connection with the output end of the driving motor, the top end of the transmission gear is in transmission connection with the driving gear, the driving gear is arranged in the middle of the workbench, a threaded structure is formed in the middle of the driving gear, and the two main shafts can be connected and fixed through combined connection of the locking table and the connecting table; the length of the main shaft can be adjusted, the adapter table structure with the Hall element is fixed on the threaded shaft through the locking table in one group of main shafts, the fastening function is realized, and the Hall element is arranged on each group of main shafts, so that the sensing accuracy of the Hall sensor is ensured, and the accuracy of the crude oil liquid quantity test is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum testing devices, in particular to a Hall sensor calibration device. Background Art

[0002] With the development of intelligent petroleum equipment technology, a float-type liquid volume detection method has been introduced in the field of crude oil liquid volume testing. This method uses the principle of electromagnetic induction and uses a Hall sensor to collect the rising height of the float to obtain crude oil liquid volume test data. What needs to be solved is the calibration detection of the Hall sensor. Ensuring the accuracy of the Hall sensor sensing can improve the accuracy of crude oil liquid volume testing. Utility Model Content

[0003] Technical problems solved

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a Hall sensor calibration device, which can calibrate the sensing range of the Hall sensor while meeting the requirements of crude oil liquid volume testing accuracy.

[0005] Technical Solution

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] The utility model provides a Hall sensor calibration device, including a workbench, a driving motor is fixed to the bottom end of the workbench, a transmission assembly is provided on one side of the driving motor, the transmission assembly includes a transmission tooth and a driving gear, the transmission tooth is arranged in the middle of the workbench through a bearing, and the bottom end of the transmission tooth is transmission-connected to the output end of the driving motor, and the top end of the transmission tooth is transmission-connected to the driving gear, the driving gear is arranged in the middle of the workbench, a threaded structure is provided in the middle of the driving gear, a driving shaft is provided in the middle of the driving gear, and the driving shaft includes a main The bottom end of the main shaft is fixedly connected to the threaded shaft, and the transfer platform, the locking platform and the connecting platform are all hollow structures. The top of the transfer platform is provided with a groove structure, and the Hall element is arranged in the groove body. The transfer platform is sleeved on the outside of the threaded shaft, and the locking platform is sleeved on the bottom end of the transfer platform. The locking platform and the connecting platform are connected and fixed by a threaded rod and a nut. The bottom end of the connecting platform is fixedly connected to another group of main shafts. The outside of the main shaft is provided with a threaded groove structure, and the middle part of the drive gear is engaged with the outside of the main shaft.

[0008] Furthermore, the main shaft is provided with multiple groups, and the locking platform and the connecting platform are flange structures.

[0009] Furthermore, the outer diameters of the locking platform and the connecting platform are smaller than the outer diameter of the main shaft.

[0010] Furthermore, a mounting frame structure is fixed to the top of the workbench, the drive shaft is arranged in the mounting frame, and an outer sleeve is provided at the top of the drive shaft.

[0011] Furthermore, the Hall element is fixed in the slot body on one side of the transfer platform by spot welding, and the locking platform is an I-shaped structure.

[0012] Furthermore, one end of the Hall element is electrically connected to a control board, and the control board is located inside the main shaft.

[0013] Beneficial effects

[0014] Compared with the known public technologies, the technical solution provided by this utility model has the following beneficial effects:

[0015] The utility model sets up a transfer platform structure with a Hall element. When the external structure is used, the driving motor drives the transmission teeth and the driving gear to rotate through the belt. The driving gear rotates, and because the interior thereof is in a meshing and fixed relationship with the driving shaft, the driving shaft can move up and down when the driving gear rotates. The driving shaft is composed of a main shaft, a transfer platform, a Hall element, a locking platform and a connecting platform structure. When connected, the two groups of main shafts can be connected and fixed through the combination connection of the locking platform and the connecting platform to achieve the function of adjustable length. Secondly, in one group of main shafts, the transfer platform structure with the Hall element is fixed to the threaded shaft through the locking platform to achieve the function of tightening. The Hall element is set on each group of main shafts to ensure the accuracy of the Hall sensor sensing and thus improve the accuracy of the crude oil liquid quantity test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is the structural front view of the utility model;

[0019] Figure 3 This is a structural breakdown diagram of the utility model;

[0020] Figure 4 This is a structural breakdown diagram of the drive shaft in the utility model.

[0021] The numbers in the figure represent: 1. workbench; 11. drive motor; 2. transmission assembly; 21. transmission tooth; 22. drive gear; 3. drive shaft; 31. main shaft; 311. threaded shaft; 32. transfer table; 33. Hall element; 34. locking table; 35. connecting table; 4. outer sleeve. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0023] The present invention will be further described below with reference to the embodiments.

[0024] Example: A Hall sensor calibration device, see the attached Figure 1 -Attached Figure 4 , including a workbench 1, a driving motor 11 is fixed to the bottom end of the workbench 1, a transmission assembly 2 is provided on one side of the driving motor 11, the transmission assembly 2 includes a transmission tooth 21 and a driving gear 22, the transmission tooth 21 is arranged in the middle of the workbench 1 through a bearing, and the bottom end of the transmission tooth 21 is transmission-connected to the output end of the driving motor 11, and the top end of the transmission tooth 21 is transmission-connected to the driving gear 22, the driving gear 22 is arranged in the middle of the workbench 1, a threaded structure is provided in the middle of the driving gear 22, and a driving shaft 3 is provided in the middle of the driving gear 22, the driving shaft 3 includes a main shaft 31, a transfer table 32, a Hall element 33, The locking platform 34 and the connecting platform 35, the bottom end of the main shaft 31 is fixedly connected to the threaded shaft 311, the adapter platform 32, the locking platform 34 and the connecting platform 35 are all hollow structures, the top of the adapter platform 32 is provided with a slot structure, and the Hall element 33 is arranged in the slot body, the adapter platform 32 is sleeved on the outside of the threaded shaft 311, the locking platform 34 is sleeved on the bottom end of the adapter platform 32, the locking platform 34 and the connecting platform 35 are connected and fixed by a threaded rod and a nut, the bottom end of the connecting platform 35 is fixedly connected to another set of main shafts 31, the outside of the main shaft 31 is provided with a threaded groove structure, and the middle part of the drive gear 22 is meshed with the outside of the main shaft 31;

[0025] The main shaft 31 is provided with multiple groups, and the locking platform 34 and the connecting platform 35 are flange structures.

[0026] The outer diameters of the locking platform 34 and the connecting platform 35 are smaller than the outer diameter of the main shaft 31; a mounting frame structure is fixed to the top of the workbench 1, the drive shaft 3 is arranged in the mounting frame, and an outer sleeve 4 is provided at the top of the drive shaft 3; the Hall element 33 is fixed to the slot body on one side of the transfer platform 32 by spot welding, and the locking platform 34 is an I-shaped structure; the control board at one end of the Hall element 33 maintains electrical connection, and the control board is located in the main shaft 31; the utility model is provided with a transfer platform 32 structure with a Hall element 33. When the external structure is used, the drive motor 11 drives the transmission teeth 21 and the drive gear 22 to rotate through the belt, and the drive gear 22 rotates, and because its internal connection with the drive shaft 3 There is a meshing and fixed relationship between them, so when the driving gear 222 rotates, the driving shaft 3 can move up and down. In the driving shaft 3, it is composed of a main shaft 31, an adapter table 32, a Hall element 33, a locking table 34 and a connecting table 35 structure. When connected, the two groups of main shafts 31 can be connected and fixed through the combination of the locking table 34 and the connecting table 35 to achieve the function of adjustable length. Secondly, in one group of main shafts 31, the adapter table 32 structure with the Hall element 33 is fixed to the threaded shaft 311 through the locking table 34 to achieve the tightening function. The Hall element 33 is set on each group of main shafts 31 to ensure the accuracy of the Hall sensor sensing and thus improve the accuracy of the crude oil liquid quantity test.

[0027] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A Hall sensor calibration device, characterized in that: The invention comprises a workbench (1), wherein a driving motor (11) is fixed to the bottom end of the workbench (1), a transmission assembly (2) is provided on one side of the driving motor (11), the transmission assembly (2) comprises a transmission tooth (21) and a driving gear (22), the transmission tooth (21) is provided in the middle of the workbench (1) through a bearing, and the bottom end of the transmission tooth (21) is transmission-connected to the output end of the driving motor (11), and the top end of the transmission tooth (21) is transmission-connected to the driving gear (22), the driving gear (22) is provided in the middle of the workbench (1), a threaded structure is provided in the middle of the driving gear (22), a driving shaft (3) is provided in the middle of the driving gear (22), and the driving shaft (3) comprises a main shaft (31), a transfer table (32), a Hall element (33), and a transmission element (34). 3) a locking platform (34) and a connecting platform (35); the bottom end of the main shaft (31) is fixedly connected to the threaded shaft (311); the transfer platform (32), the locking platform (34) and the connecting platform (35) are all hollow structures; a slot structure is provided at the top of the transfer platform (32); and the Hall element (33) is arranged in the slot; the transfer platform (32) is sleeved on the outside of the threaded shaft (311); the locking platform (34) is sleeved on the bottom end of the transfer platform (32); the locking platform (34) and the connecting platform (35) are connected and fixed by a threaded rod and a nut; the bottom end of the connecting platform (35) is fixedly connected to another set of main shafts (31); a threaded groove structure is provided on the outside of the main shaft (31); and the middle part of the driving gear (22) is meshed with the outside of the main shaft (31).

2. A Hall sensor calibration device according to claim 1, characterized in that: The main shaft (31) is provided with multiple groups, and the locking platform (34) and the connecting platform (35) are flange structures.

3. A Hall sensor calibration device according to claim 1, characterized in that: The outer diameters of the locking platform (34) and the connecting platform (35) are smaller than the outer diameter of the main shaft (31).

4. The Hall sensor calibration device according to claim 1, characterized in that: A mounting frame structure is fixed to the top of the workbench (1), the drive shaft (3) is arranged in the mounting frame, and an outer sleeve (4) is provided at the top of the drive shaft (3).

5. A Hall sensor calibration device according to claim 4, characterized in that: The Hall element (33) is fixed in a slot body on one side of the transfer platform (32) by spot welding, and the locking platform (34) is an I-shaped structure.

6. The Hall sensor calibration device according to claim 1, characterized in that: One end of the Hall element (33) is electrically connected to a control board, and the control board is located inside the main shaft (31).

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