CN208314163U - Omnidirectional's magnetic induction measuring device based on Hall array - Google Patents
Omnidirectional's magnetic induction measuring device based on Hall array Download PDFInfo
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- CN208314163U CN208314163U CN201820441575.0U CN201820441575U CN208314163U CN 208314163 U CN208314163 U CN 208314163U CN 201820441575 U CN201820441575 U CN 201820441575U CN 208314163 U CN208314163 U CN 208314163U
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- hall array
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Abstract
Omnidirectional's magnetic induction measuring device based on Hall array that the utility model discloses a kind of, wherein, include: that a Hall array chip 4 is mounted on a shell 1 by an insulating bar 3, a single-chip microcontroller 5 is installed in the shell 1, is also equipped with a display screen on the shell 1；The single-chip microcontroller 5 is communicated by conducting wire with the Hall array chip 4, the display screen.The utility model solves the problems, such as to lack a kind of device and method that can measure magnetic field from non-perpendicular angle in the prior art, the structure on shell 1 is mounted on by insulating bar 3 by using by Hall array chip 4, and the single-chip microcontroller 5 for being connected with display screen is connected on Hall array chip 4, the magnetic induction component and magnitude of field intensity for three axial directions for allowing display screen to show that Hall array chip 4 obtains.
Description
Technical field
The utility model relates to a kind of teaching aids more particularly to a kind of omnidirectional's magnetic induction based on Hall array to measure dress
It sets.
Background technique
Magnetic field, magnetic induction are physical quantitys common in the basic knowledge point and production and living of Middle School Physics, deep to manage
Solving above-mentioned knowledge point and further learning the chapters and sections such as electromagnetic induction to student has very important meaning.Existing physical teaching process
In, teacher mostly uses iron powder, small magnetic needle to carry out qualitative analysis；Using DIS Magnetic Sensor come quantitative study.
In the prior art, DIS Magnetic Sensor major components used of imparting knowledge to students are Hall element, and quantity is 1, are vertically inserted in
On circuit board.Its measuring principle is to extrapolate magnetic field size by measuring electric current two sides voltage difference according to Hall effect.
Since Hall element can only measure the magnetic field perpendicular to semiconductor direction, when measurement, the posture of Magnetic Sensor is not
It is also different with the vertical component size in magnetic field, magnetic field is measured to student and understands that the knowledge point produces very big obstacle.
Lack a kind of device and method that magnetic field can be measured from non-perpendicular angle in the prior art.
Utility model content
Omnidirectional's magnetic induction measuring device based on Hall array that the utility model discloses a kind of, to solve existing skill
The problem of lacking a kind of device and method that magnetic field can be measured from non-perpendicular angle in art.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
A kind of omnidirectional's magnetic induction measuring device based on Hall array, wherein include: that a Hall array chip 4 passes through
One insulating bar 3 is mounted on a shell 1, and a single-chip microcontroller 5 is equipped in the shell 1, is also equipped with a display on the shell 1
Screen；The single-chip microcontroller 5 is communicated by conducting wire with the Hall array chip 4, the display screen.
Omnidirectional's magnetic induction measuring device based on Hall array as described above, wherein the single-chip microcontroller 5 is
Makeblock single-chip microcontroller 5.
Omnidirectional's magnetic induction measuring device based on Hall array as described above, wherein the Hall array chip 4
Are as follows: three axis low-power consumption magnetometers.
Omnidirectional's magnetic induction measuring device based on Hall array as described above, wherein the Hall array chip 4 is logical
One end that nylon cable tie is fixed on the insulating bar 3 is crossed, the other end of the insulating bar 3 is mounted on the shell 1.
Omnidirectional's magnetic induction measuring device based on Hall array as described above, wherein be also equipped in the shell 1
One power supply.
Omnidirectional's magnetic induction measuring device based on Hall array as described above, wherein the connection of single-chip microcontroller 5 one is logical
Believe module.
Omnidirectional's magnetic induction measuring device based on Hall array as described above, wherein the communication module is bluetooth
Module.
Omnidirectional's magnetic induction measuring device based on Hall array as described above, wherein the three axis low-power consumption magnetic force
It is calculated as MLX90393.
In conclusion by adopting the above-described technical solution, the utility model solves lacks a kind of energy in the prior art
The problem of enough device and methods that magnetic field is measured from non-perpendicular angle, is pacified by using by Hall array chip 4 by insulating bar 3
Structure on shell 1, and the single-chip microcontroller 5 for being connected with display screen is connected on Hall array chip 4, so that display screen
It can show the magnetic induction component and magnitude of field intensity of three axial directions that Hall array chip 4 obtains.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of omnidirectional magnetic induction measuring device of the utility model based on Hall array.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of omnidirectional magnetic induction measuring device of the utility model based on Hall array, is referred to
Fig. 1, a kind of omnidirectional's magnetic induction measuring device based on Hall array, wherein include: that a Hall array chip 4 is exhausted by one
Edge bar 3 is mounted on a shell 1, and a single-chip microcontroller 5 is equipped in shell 1, is also equipped with a display screen on shell 1；Single-chip microcontroller 5 is logical
Conducting wire is crossed to communicate with Hall array chip 4, display screen.
The utility model uses above-mentioned structure, and the magnetic induction point of vertical direction can only be measured by breaching traditional sensors
This limitation is measured, the magnetic induction value and angle of any direction are capable of measuring.And without being equipped with computer, achievable entire data are adopted
Collection, processing, output process.Based on 5 modularized design of single-chip microcontroller, have and expand space well, the synthesis in magnetic field can be become
Research platform.
Further, single-chip microcontroller 5 is Makeblock single-chip microcontroller 5.
Specifically, one of conducting wire is the 6 core cables for meeting Makeblock standard, the other end of conducting wire is connect using Du Pont
Mouth Special-purpose connecting line.Hall array chip 4, single-chip microcontroller 5, display screen are connected.
Further, a power supply is also equipped in shell 1, it is single-chip microcontroller by dry cell that power supply, which can use dry cell,
5, Hall array chip 4, display screen power supply.
Further, Hall array chip 4 are as follows: three axis low-power consumption magnetometers.
Further, three axis low-power consumption magnetic force are calculated as MLX90393.
In the specific implementation process of the utility model, MLX90393 draw four binding posts: 3.3V, GND, SDA,
SCL, wherein 3.3V and GND is power positive cathode, and SDA is data line, and SCL is clock signal.
Further, Hall array chip 4 is fixed on one end of insulating bar 3, the other end of insulating bar 3 by nylon cable tie
It is mounted on shell 1.
Further, insulating bar 3 can be mounted on shell 1 by bracket, and bracket can pass through 3D printing non-metallic material
Material is made.
Further, single-chip microcontroller 5 connects a communication module, and the transmission that single-chip microcontroller 5 carries out historical data may be implemented.
Further, communication module is bluetooth module, and communication module can also use WiFi module.
The magnetic induction size and horizontal angle of measured point where further, three axis low-power consumption magnetometers can also obtain,
The numerical value of pitch angle.If the magnetic induction of three axis is distinguished
Are as follows: Bx, By, Bz, measured point magnetic induction are that B is not then:；
Direction cosines:
Horizontal angle:Pitch angle:
Further, historical data can also be transmitted to Cloud Server by communication module or held eventually by single-chip microcontroller 5
End.
Claims (8)
1. a kind of omnidirectional's magnetic induction measuring device based on Hall array characterized by comprising a Hall array chip is logical
It crosses an insulating bar to be mounted on a shell, a single-chip microcontroller is installed in the shell, a display screen is also equipped on the shell；
The single-chip microcontroller is communicated by conducting wire with the Hall array chip, the display screen.
2. omnidirectional's magnetic induction measuring device according to claim 1 based on Hall array, which is characterized in that the list
Piece machine is Makeblock single-chip microcontroller.
3. omnidirectional's magnetic induction measuring device according to claim 1 based on Hall array, which is characterized in that it is described suddenly
That array chip are as follows: three axis low-power consumption magnetometers.
4. omnidirectional's magnetic induction measuring device according to claim 1 based on Hall array, which is characterized in that it is described suddenly
Your array chip is fixed on one end of the insulating bar by nylon cable tie, and the other end of the insulating bar is mounted on the shell
On.
5. omnidirectional's magnetic induction measuring device according to claim 1 based on Hall array, which is characterized in that the shell
It is also equipped with a power supply in vivo.
6. omnidirectional's magnetic induction measuring device according to claim 1 based on Hall array, which is characterized in that the list
Piece machine connects a communication module.
7. omnidirectional's magnetic induction measuring device according to claim 6 based on Hall array, which is characterized in that described logical
Letter module is bluetooth module.
8. omnidirectional's magnetic induction measuring device according to claim 3 based on Hall array, which is characterized in that described three
Axis low-power consumption magnetic force is calculated as MLX90393.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441575.0U CN208314163U (en) | 2018-03-29 | 2018-03-29 | Omnidirectional's magnetic induction measuring device based on Hall array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441575.0U CN208314163U (en) | 2018-03-29 | 2018-03-29 | Omnidirectional's magnetic induction measuring device based on Hall array |
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| Publication Number | Publication Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646202A (en) * | 2018-03-29 | 2018-10-12 | 上海市行知实验中学 | Omnidirectional's magnetic induction measuring device and measuring method based on Hall array |
-
2018
- 2018-03-29 CN CN201820441575.0U patent/CN208314163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646202A (en) * | 2018-03-29 | 2018-10-12 | 上海市行知实验中学 | Omnidirectional's magnetic induction measuring device and measuring method based on Hall array |
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