Microcomputer magnetometer

Abstract

The utility model relates to a microcomputer magnetometer, which belongs to the technical field of magnetic force measurement and comprises a case, a case cover is fixed on the left side of the case through bolts, a mounting plate is fixed between the inner walls of the upper side and the lower side of the case, and a measuring mechanism used for improving measuring precision is arranged on the mounting plate. And a stabilizing mechanism for improving the stability of the internal structure is arranged on the mounting plate. According to the microcomputer magnetometer, the installation position of the analog circuit board can be limited and the analog circuit board can be prevented from loosening through the cooperation of the placing rack, a measured magnetic field signal can be sensed through the cooperation of the magnetic sensor, and the measurement precision can be improved through the cooperation of the signal amplifier and the signal converter. A weak signal sensed by the magnetic sensor can be amplified and converted into a voltage signal suitable for being processed by the microprocessor, so that the voltage signal can be sampled, processed and calculated conveniently, measurement results such as magnetic field intensity and direction are obtained, and the measurement precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic measurement, in particular to a microcomputer magnetometer. Background Art

[0002] Magnetic measurement technology is widely used in geophysical exploration, aerospace, military and other fields. Traditional magnetometers are often bulky, with limited measurement accuracy and stability. With the development of microprocessor technology, the miniaturization and intelligence of magnetic measurement equipment has become possible.

[0003] For example, a new type of magnetometer is disclosed in the Chinese utility model patent publication number (CN208459579U), which includes a magnetometer body, which is in the shape of a quadrangular prism, a memory for storing detection data is arranged in the magnetometer body, the magnetometer body includes a top surface, a side surface and a bottom surface, a first probe interface and a second probe interface for external probes for detection are arranged on the side surface, a charging interface, an external power interface and a data interface are also arranged on the side surface, the charging interface is used to charge the built-in battery of the magnetometer, the external power interface is used to provide the magnetometer with the required power for operation by connecting to an external power supply, and the data interface is used to communicate with a computer and transmit the detection data stored in the memory to the computer. The machine has a switch, a USB interface, a display screen and control buttons on the top surface. The USB interface is used to connect the magnetometer to an external device to transmit the detection data stored in the memory. The display screen is used to display the detection data. This utility solves the problem that the detection data is not easy to be observed on-site due to the small screen. Furthermore, the magnetometer cannot realize data playback and real-time analysis. It cannot transmit and monitor data in real time for large or strong magnetic disturbances, and thus cannot provide early warning for magnetic measurement in the working area in time. However, traditional magnetometers have defects such as large size, heavy weight, low measurement accuracy, poor stability, and poor real-time performance. It is difficult to meet the needs of modern science and technology and industrial fields for high-precision and high-stability magnetic measurement, which affects practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a microcomputer magnetometer, which has the advantages of realizing miniaturization, intelligence and high-precision measurement of the magnetometer, and solves the problems of large size, heavy weight, low measurement accuracy, poor stability and poor real-time performance of the magnetometer.

[0005] To achieve the above object, the utility model provides the following technical solutions: a microcomputer magnetometer, comprising a chassis, a chassis cover is fixed to the left side of the chassis by bolts, a mounting plate is fixed between the upper and lower inner walls of the chassis, a measuring mechanism for improving the measurement accuracy is arranged on the mounting plate, and a stabilizing mechanism for improving the stability of the internal structure is arranged on the mounting plate;

[0006] The measuring mechanism includes a placement rack, an analog circuit board, a processing component, and an output component. The placement rack is fixed to the left side of the mounting plate, the analog circuit board is arranged inside the placement rack, the processing component is arranged on the chassis and is used to process the measurement results of the magnetic field strength and direction, and the output component is arranged on the box cover for the staff to observe and analyze the measurement results.

[0007] The beneficial effect of adopting the above further solution is: miniaturization, intelligence and high-precision measurement of the magnetometer are achieved.

[0008] Furthermore, the length of the simulated circuit board is adapted to the distance between the front and rear inner walls of the placement rack, and the width of the simulated circuit board is adapted to the distance between the upper and lower inner walls of the placement rack.

[0009] The beneficial effect of adopting the above further solution is to prevent the analog circuit board from being offset inside the placement rack.

[0010] Furthermore, the processing unit includes a magnetic sensor, a signal amplifier, a signal converter, and a microprocessor. The magnetic sensor is fixed to the right side of the chassis, the signal amplifier is fixed to the analog circuit board, the signal converter is fixed to the analog circuit board, and the microprocessor is fixed to the analog circuit board. The magnetic sensor, signal amplifier, signal converter, and microprocessor are electrically connected in sequence.

[0011] The beneficial effect of adopting the above further solution is: effectively improving the measurement accuracy.

[0012] Furthermore, the output component includes a display screen, a mounting opening is provided on the left side of the box cover, the display screen is fixed to the box cover via the mounting opening, and a plurality of transmission interfaces are provided on the upper surface of the chassis.

[0013] The beneficial effect of adopting the above further solution is that it is convenient for the staff to analyze and process the measured data.

[0014] Furthermore, the stabilizing mechanism includes two flipping parts, two connecting plates, two pressing parts, two fixing plates, and two fixing parts. The two flipping parts are arranged on the mounting plate, the two connecting plates are respectively fixed to the two flipping parts, the two pressing parts are respectively arranged on the two connecting plates, the two fixing plates are respectively fixed to the two pressing parts, and the two fixing parts are respectively arranged on the two fixing plates.

[0015] The beneficial effect of adopting the above further solution is that the internal structure can maintain stability during operation.

[0016] Furthermore, the flip part includes two mounting blocks and a connecting block. The two mounting blocks are fixed to the left side of the mounting plate and are symmetrically distributed front to back with the central axis of the placement frame. The front and rear sides of the connecting block respectively rotate between the opposite sides of the two mounting blocks through bearings, and the connecting block is fixed to the right side of the connecting plate.

[0017] The beneficial effect of adopting the above further solution is that the fixed structure can be opened or closed.

[0018] Furthermore, the pressing member includes a first spring, a pressing block, and a sliding rod, one end of the first spring is fixed to the left side of the connecting plate, the other end of the first spring is fixed to the pressing block, one end of the sliding rod is fixed to the right side of the pressing block, the other end of the sliding rod passes through and extends to the right side of the connecting plate, and is fixed to the left side of the fixed plate, and the sliding rod is slidably connected to the connecting plate.

[0019] The beneficial effect of adopting the above further solution is that the fixing plate can be pressed so that the fixing plate is pressed on the analog circuit board, thereby improving the stability of the analog circuit board.

[0020] Furthermore, the fixing member includes two second springs, two clamping blocks, and a connecting rod. Installation grooves are provided on the front and rear sides of the fixing plate. One ends of the two second springs are respectively fixed to the inner wall on the side opposite to the two installation grooves. The two second springs are respectively fixed to the two clamping blocks. Clamping grooves are provided on the front and rear inner walls of the placement rack. One end of the connecting rod is fixed to the left side of the clamping block, and the other end of the connecting rod passes through and extends to the left side of the fixing plate.

[0021] The beneficial effect of adopting the above further solution is: the position of the fixing plate is fixed so that the fixing plate can keep fixing the analog circuit board.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] 1. The microcomputer magnetometer can limit the installation position of the analog circuit board through the cooperation of the placement frame to prevent the analog circuit board from loosening. Through the cooperation of the magnetic sensor, the measured magnetic field signal can be sensed. Through the cooperation of the signal amplifier and the signal converter, the weak signal sensed by the magnetic sensor can be amplified and converted into a voltage signal suitable for processing by the microprocessor, thereby facilitating the sampling, processing and calculation of the voltage signal, obtaining the measurement results such as the magnetic field strength and direction, and improving the measurement accuracy.

[0024] 2. The microcomputer magnetometer can flip the connecting block through the cooperation of the mounting block, thereby driving the connecting plate to flip, so as to adjust the angle of the fixed plate. Through the cooperation of the pressing block, the sliding rod can be driven to move, thereby driving the fixed plate to move, and the fixed plate can be squeezed to keep the position of the analog circuit board stable. Through the cooperation of the second spring, the position of the fixed plate can be fixed, thereby maintaining the fixing effect on the analog circuit board. Through the cooperation of the connecting rod, the card block can be driven to move, thereby causing the fixed plate to lose its fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the test mechanism of the utility model;

[0027] Figure 3 It is a side view of the processing part of the utility model;

[0028] Figure 4 This is a schematic diagram of the stabilizing mechanism of the utility model;

[0029] Figure 5 This is a top view of the fixing member of the utility model.

[0030] In the figure: 1, chassis; 2, case cover; 3, mounting plate; 4, measuring mechanism; 41, placement rack; 42, analog circuit board; 43, processing element; 431, magnetic sensor; 432, signal amplifier; 433, signal converter; 434, microprocessor; 44, output element; 441, display screen; 442, mounting port; 443, transmission interface; 5, stabilizing mechanism; 51, flip element; 511, mounting block; 512, connecting block; 52, connecting plate; 53, pressing element; 531, first spring; 532, pressing block; 533, sliding rod; 54, fixing plate; 55, fixing element; 551, second spring; 552, clamping block; 553, connecting rod; 554, mounting slot; 555, clamping slot. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1A microcomputer magnetometer in this embodiment includes a chassis 1, a box cover 2 is fixed to the left side of the chassis 1 by bolts, the chassis 1 is closed to prevent the internal structure of the chassis 1 from being damaged, and the box cover 2 can be easily removed to inspect the internal structure of the chassis 1. A mounting plate 3 is fixed between the upper and lower inner walls of the chassis 1, and a measuring mechanism 4 for improving the measurement accuracy is arranged on the mounting plate 3, so as to realize the miniaturization, intelligence and high-precision measurement of the magnetometer. A stabilizing mechanism 5 for improving the stability of the internal structure is arranged on the mounting plate 3, so that the internal structure can maintain stability during operation.

[0033] See also Figure 2-3 In order to realize the miniaturization, intelligence and high-precision measurement of the magnetometer, the measuring mechanism 4 in this embodiment includes a placement frame 41, an analog circuit board 42, a processing component 43, and an output component 44. The placement frame 41 is fixed to the left side of the mounting plate 3, the analog circuit board 42 is arranged inside the placement frame 41, the processing component 43 is arranged on the chassis 1, and is used to process the measurement results such as the magnetic field strength and direction, effectively improving the measurement accuracy. The output component 44 is arranged on the box cover 2, and is used for the staff to observe and analyze the measurement results, so as to facilitate the staff to analyze and process the measured data.

[0034] In this embodiment, the processing unit 43 includes a magnetic sensor 431, a signal amplifier 432, a signal converter 433, and a microprocessor 434. The magnetic sensor 431 is fixed to the right side of the chassis 1, the signal amplifier 432 is fixed to the analog circuit board 42, the signal converter 433 is fixed to the analog circuit board 42, and the microprocessor 434 is fixed to the analog circuit board 42. The magnetic sensor 431, the signal amplifier 432, the signal converter 433 and the microprocessor 434 are electrically connected in sequence. The magnetic sensor 431 can sense the signal of the magnetic field, and then send the sensed weak magnetic field signal to the signal amplifier 432. The signal amplifier 432 amplifies the weak signal and sends it to the signal converter 43 3. The signal converter 433 converts the signal into a voltage signal suitable for processing by the microprocessor 434, and sends the voltage signal to the microprocessor 434, so as to sample, process and calculate the voltage signal, so as to obtain measurement results such as magnetic field strength and direction. The output component 44 includes a display screen 441. A mounting port 442 is provided on the left side of the box cover 2. The display screen 441 is fixed to the box cover 2 through the mounting port 442. The measurement result is transmitted to the display screen 441, so that the staff can observe and analyze the measured data conveniently. A plurality of transmission interfaces 443 are provided on the upper surface of the chassis 1, and the transmission interface 443 can be connected to the host computer, so as to facilitate the transmission of data to the host computer for further processing and analysis.

[0035] It should be noted that the length of the analog circuit board 42 is adapted to the distance between the front and rear inner walls of the placement rack 41, and the width of the analog circuit board 42 is adapted to the distance between the upper and lower inner walls of the placement rack 41, so as to prevent the analog circuit board 42 from being offset inside the placement rack 41.

[0036] See also Figure 4-5 In order to make the internal structure maintain stability during operation, the stabilizing mechanism 5 in this embodiment includes two flipping members 51, two connecting plates 52, two pressing members 53, two fixing plates 54, and two fixing members 55. The two flipping members 51 are both arranged on the mounting plate 3 so as to open or close the fixing structure. The two connecting plates 52 are respectively fixed to the two flipping members 51. The two pressing members 53 are respectively arranged on the two connecting plates 52. The two fixing plates 54 are respectively fixed to the two pressing members 53, which can squeeze the fixing plates 54 so that the fixing plates 54 are squeezed on the analog circuit board 42 to improve the stability of the analog circuit board 42. The two fixing members 55 are respectively arranged on the two fixing plates 54 to fix the position of the fixing plates 54 so that the fixing plates 54 keep fixed to the analog circuit board 42.

[0037] In this embodiment, the flip member 51 includes two mounting blocks 511 and a connecting block 512. The two mounting blocks 511 are fixed to the left side of the mounting plate 3 and are symmetrically distributed front and back with the central axis of the placement frame 41. The front and rear sides of the connecting block 512 are respectively rotated between the sides opposite to the two mounting blocks 511 through bearings. The connecting block 512 is fixed to the right side of the connecting plate 52. The connecting block 512 is rotated, and the connecting plate 52 is rotated by the connecting block 512. The connecting plate 52 is rotated to drive the pressing member 53 to rotate, thereby driving the fixed plate 54 to rotate. The pressing member 53 includes a first spring 531, a pressing member 532, and a pressing member 533. The pressing block 532 and the sliding rod 533 are fixed to the left side of the connecting plate 52 at one end of the first spring 531, and the other end of the first spring 531 is fixed to the pressing block 532. One end of the sliding rod 533 is fixed to the right side of the pressing block 532. The pressing block 532 is pressed, and the pressing block 532 drives the sliding rod 533 to move. The first spring 531 can facilitate the rebound of the pressing block 532. The other end of the sliding rod 533 penetrates and extends to the right side of the connecting plate 52 and is fixed to the left side of the fixing plate 54. The sliding rod 533 is slidably connected to the connecting plate 52, and the sliding rod 533 drives the fixing plate 54 to move, so that The fixing plate 54 fixes the position of the analog circuit board 42 to improve the stability of the analog circuit board 42. The fixing member 55 includes two second springs 551, two clamping blocks 552, and a connecting rod 553. The front and rear sides of the fixing plate 54 are both provided with mounting grooves 554. One end of the two second springs 551 is respectively fixed to the inner wall of the side opposite to the two mounting grooves 554. The two second springs 551 are respectively fixed to the two clamping blocks 552. The front and rear inner walls of the placement rack 41 are both provided with clamping grooves 555. When the fixing plate 54 enters the inner side of the placement rack 41, the inner wall of the placement rack 41 is pressed against the clamping blocks 553. 52 is squeezed to make the card block 552 enter the installation groove 554 and squeeze the second spring 551. When the card block 552 moves to the card slot 555, the second spring 551 bounces the card block 552 into the card slot 555, so that the position of the fixing plate 54 is fixed. One end of the connecting rod 553 is fixed to the left side of the card block 552, and the other end of the connecting rod 553 passes through and extends to the left side of the fixing plate 54. By moving the connecting rod 553, the card block 552 can be driven to move, and the card block 552 can be removed from the card slot 555, so that the fixing plate 54 can be removed and the analog circuit board 42 can be taken out.

[0038] The working principle of the above embodiment is:

[0039] (1) First, open the box cover 2, install the internal structure of the magnetometer, place the analog circuit board 42 inside the placement rack 41, then rotate the connecting block 512, the connecting block 512 rotates to drive the connecting plate 52 to rotate, the connecting plate 52 rotates to drive the pressing piece 53 to rotate, thereby driving the fixing plate 54 to rotate, so that the fixing plate 54 and the analog circuit board 42 remain parallel, then press the pressing block 532, the pressing block 532 drives the sliding rod 533 to move, the sliding rod 533 drives the fixing plate 54 to move, so that the fixing plate 54 fixes the position of the analog circuit board 42, and improves the simulation. In order to ensure the stability of the simulated circuit board 42, when the fixed plate 54 enters the inner side of the placement rack 41, the inner wall of the placement rack 41 squeezes the block 552, so that the block 552 enters the installation groove 554 and squeezes the second spring 551. When the block 552 moves to the groove 555, the second spring 551 bounces the block 552 into the groove 555, so that the position of the fixed plate 54 is fixed. By moving the connecting rod 553, the block 552 can be driven to move, and the block 552 can be moved out of the groove 555, so that the fixed plate 54 can be removed and the simulated circuit board 42 can be taken out.

[0040] (2) After completing the installation and fixation of the analog circuit board 42, the circuit of the electronic device is connected. The magnetic field signal can be sensed by the magnetic sensor 431, and then the sensed weak magnetic field signal is sent to the signal amplifier 432. The signal amplifier 432 amplifies the weak signal and sends it to the signal converter 433. The signal converter 433 converts the signal into a voltage signal suitable for processing by the microprocessor 434, and sends the voltage signal to the microprocessor 434, so as to sample, process and calculate the voltage signal to obtain measurement results such as the magnetic field strength and direction. The measurement results are transmitted to the display screen 441, so that the staff can observe and analyze the measured data conveniently. The transmission interface 443 can be connected to the host computer to facilitate the transmission of data to the host computer for further processing and analysis.

Claims

1. A microcomputer magnetometer, comprising a chassis (1), characterized in that: A box cover (2) is fixed to the left side of the box (1) by means of bolts, a mounting plate (3) is fixed between the upper and lower inner walls of the box (1), a measuring mechanism (4) for improving measurement accuracy is arranged on the mounting plate (3), and a stabilizing mechanism (5) for improving internal structural stability is arranged on the mounting plate (3); The measuring mechanism (4) comprises a placement rack (41), a simulation circuit board (42), a processing component (43), and an output component (44); the placement rack (41) is fixed to the left side of the mounting plate (3); the simulation circuit board (42) is arranged inside the placement rack (41); the processing component (43) is arranged on the chassis (1) and is used to process the measurement results of the magnetic field intensity and direction; and the output component (44) is arranged on the chassis cover (2) and is used for staff to observe and analyze the measurement results.

2. A microcomputer magnetometer according to claim 1, characterized in that: The length of the simulation circuit board (42) matches the distance between the front and rear inner walls of the placement rack (41), and the width of the simulation circuit board (42) matches the distance between the upper and lower inner walls of the placement rack (41).

3. A microcomputer magnetometer according to claim 1, characterized in that: The processing unit (43) comprises a magnetic sensor (431), a signal amplifier (432), a signal converter (433), and a microprocessor (434); the magnetic sensor (431) is fixed to the right side of the chassis (1); the signal amplifier (432) is fixed to the analog circuit board (42); the signal converter (433) is fixed to the analog circuit board (42); the microprocessor (434) is fixed to the analog circuit board (42); and the magnetic sensor (431), the signal amplifier (432), the signal converter (433), and the microprocessor (434) are electrically connected in sequence.

4. A microcomputer magnetometer according to claim 1, characterized in that: The output component (44) comprises a display screen (441), a mounting opening (442) is provided on the left side of the box cover (2), the display screen (441) is fixed to the box cover (2) via the mounting opening (442), and a plurality of transmission interfaces (443) are provided on the upper surface of the chassis (1).

5. A microcomputer magnetometer according to claim 1, characterized in that: The stabilizing mechanism (5) comprises two flipping members (51), two connecting plates (52), two pressing members (53), two fixing plates (54), and two fixing members (55); the two flipping members (51) are both arranged on the mounting plate (3); the two connecting plates (52) are respectively fixed to the two flipping members (51); the two pressing members (53) are respectively arranged on the two connecting plates (52); the two fixing plates (54) are respectively fixed to the two pressing members (53); and the two fixing members (55) are respectively arranged on the two fixing plates (54).

6. A microcomputer magnetometer according to claim 5, characterized in that: The flip member (51) comprises two mounting blocks (511) and a connecting block (512); the two mounting blocks (511) are fixed to the left side of the mounting plate (3) and are symmetrically distributed front to back about the central axis of the placement frame (41); the front and rear sides of the connecting block (512) respectively rotate with the sides opposite to the two mounting blocks (511) via bearings; the connecting block (512) is fixed to the right side of the connecting plate (52).

7. A microcomputer magnetometer according to claim 5, characterized in that: The pressing member (53) comprises a first spring (531), a pressing block (532), and a sliding rod (533); one end of the first spring (531) is fixed to the left side of the connecting plate (52); the other end of the first spring (531) is fixed to the pressing block (532); one end of the sliding rod (533) is fixed to the right side of the pressing block (532); the other end of the sliding rod (533) passes through and extends to the right side of the connecting plate (52) and is fixed to the left side of the fixing plate (54); the sliding rod (533) is slidably connected to the connecting plate (52).

8. A microcomputer magnetometer according to claim 5, characterized in that: The fixing member (55) comprises two second springs (551), two clamping blocks (552), and a connecting rod (553). The fixing plate (54) is provided with mounting grooves (554) on both the front and rear sides. One end of the two second springs (551) is respectively fixed to the inner wall on the opposite side of the two mounting grooves (554). The two second springs (551) are respectively fixed to the two clamping blocks (552). The placing rack (41) is provided with clamping grooves (555) on both the front and rear inner walls. One end of the connecting rod (553) is fixed to the left side of the clamping block (552). The other end of the connecting rod (553) passes through and extends to the left side of the fixing plate (54).

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