CN205940636U - Multi -functional hall current sensor - Google Patents
Multi -functional hall current sensor Download PDFInfo
- Publication number
- CN205940636U CN205940636U CN201620893507.9U CN201620893507U CN205940636U CN 205940636 U CN205940636 U CN 205940636U CN 201620893507 U CN201620893507 U CN 201620893507U CN 205940636 U CN205940636 U CN 205940636U
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- hall
- microprocessor
- current sensor
- insulation
- functional
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Abstract
The utility model discloses a multi -functional hall current sensor relates to the sensor field, including insulating annular housing, hall element, current measuring module, rotational speed measured module, microprocessor and liquid crystal display, current measuring module includes annular magnetic core, division board and output resistance, the annular magnetic core is located inside the insulating annular housing, annular magnetic core lower part is equipped with the breach, hall element locates breach department, annular magnetic core lower extreme is located to the division board, rotational speed measured module includes permanent magnet, mount, electric coupling and logical counter, hall element and microprocessor are connected through the wire respectively to the output resistance, the logic counter passes through the wire and connects microprocessor, and this kind of multi -functional hall current sensor not only can be used for measuring the electric current through the circuit according to hall principles of design, and is still useful in the rotational speed of measuring element, and can be after the measurement from the data that the main display recorded, the function is abundant, is worth promoting.
Description
Technical field
The utility model is related to sensor field and in particular to a kind of multi-functional Hall current sensor.
Background technology
Hall element is a kind of magnetic field sensor being made according to Hall effect.Hall effect is the one of magnetoelectric effect
Kind, this phenomenon is that Hall found when studying the conductive mechanism of metal in 1879.Found semiconductor, conductor fluid later
There is this effect Deng also, and the Hall effect of semiconductor is more much better than than metal, the various Hall elements made using this phenomenon, extensively
It is applied to the aspects such as industrial automation technology, detection technique and information processing generally.Hall element can be used for measure electric current,
Voltage, rotating speed, displacement etc., but general sensor only has a kind of function, and can not independently display data or process number
According to.
Content of the invention
The purpose of this utility model is to provide a kind of multi-functional Hall current sensor, to solve to lead in prior art
Above-mentioned multinomial defect.
A kind of multi-functional Hall current sensor, including insulation toroidal shell, Hall element, current measurement module, rotating speed
Measurement module, microprocessor and LCDs, described current measurement module includes toroidal core, division board and output resistance,
Described toroidal core is provided with breach located at the annular enclosure interior of insulation, described toroidal core bottom, and described Hall element is located at scarce
Mouthful at, described division board located at toroidal core lower end, described rotation speed measuring module include permanent magnet, fixed mount, electric coupler and
Logic counter, described output resistance connects Hall element and microprocessor by wire respectively, and described logic counter passes through
Wire connects microprocessor.
Preferably, described insulation toroidal shell is provided with buzzer, and described microprocessor connects liquid crystal respectively by wire
Display screen and buzzer.
Preferably, described insulation annular lower housing portion two ends are provided with fixed strip, and described LCDs is located at insulation annular
Above housing.
Preferably, described fixed strip is provided with fixing hole, and described fixing in the hole is provided with mounting screw.
Preferably, described Hall element is fixed on the annular shell inner surface of insulation by fixing glue, and described permanent magnet passes through
Fixed mount is fixed in detected element.
The beneficial effects of the utility model：This kind of multi-functional Hall current sensor, by current measurement module and rotating speed
Measurement module, be may be respectively used for measuring the electric current of institute's slowdown monitoring circuit or the rotating speed of moving object, and will be able to be surveyed by microprocessor
The result measuring is shown on LCDs, realizes the several functions of single sensor, specifically, by Hall element
Faradic principle will be converted into voltage by the electric current of circuit, by the permanent magnet being fixed on testee, measured object
Produce moving magnetic field after body rotation, and moving magnetic field is converted into pulse signal by the Hall element in sensor, by logic meter
Number device sends number of revolutions to microprocessor, and microprocessor shows calculated rotating speed to display screen again, this sensor
Have two kinds of metering systems, and can display data directly perceived, be worthy to be popularized, by this kind of structure design, described insulation toroidal shell
It is provided with buzzer, described microprocessor connects LCDs and buzzer respectively by wire, can by liquid crystal display
To show measured data, and buzzer can play alarm function after rotating speed or electric current are above standard value, described exhausted
Edge toroidal shell bottom two ends are provided with fixed strip, and above insulation toroidal shell, fixed strip can be used for described LCDs
Fix this sensor, LCDs is more convenient for observing located at top, and described fixed strip is provided with fixing hole, described fixing in the hole
It is provided with mounting screw, be more convenient for installation and the fixed form of sensor, described Hall unit by fixed strip and mounting screw
Part is fixed on the annular shell inner surface of insulation by fixing glue, and described permanent magnet is fixed in detected element by fixed mount, leads to
Cross the permanent magnet of rotation and fixing Hall element, can be used for measuring the rotating speed of rotating object.
Brief description
Fig. 1 is a kind of internal structure schematic diagram of multi-functional Hall current sensor described in the utility model.
Fig. 2 is a kind of schematic diagram of the permanent magnet portion of multi-functional Hall current sensor described in the utility model.
Fig. 3 is a kind of Hall element circuit connection signal of multi-functional Hall current sensor described in the utility model
Figure.
Wherein：1- insulation toroidal shell, 2- Hall element, 3- microprocessor, 4- liquid crystal display, 5- toroidal core, 6-
Output resistance, 7- permanent magnet, 8- fixed mount, 9- electric coupler, 10- logic counter, 11- buzzer, 12- fixed strip, 13- is solid
Determine screw, 14- division board.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for making the utility model realize are easy to understand, below
In conjunction with specific embodiment, the utility model is expanded on further.
As shown in Figure 1, Figure 2 and Figure 3, a kind of multi-functional Hall current sensor, including insulation toroidal shell 1, Hall unit
Part 2, current measurement module, rotation speed measuring module, microprocessor 3 and LCDs 4, described current measurement module includes annular
Magnetic core 5, division board 14 and output resistance 6, described toroidal core 5 located at insulation toroidal shell 1 inside, under described toroidal core 5
Portion is provided with breach, and, located at indentation, there, described division board 14 is located at toroidal core 5 lower end, described tachometric survey for described Hall element 2
Module includes permanent magnet 7, fixed mount 8, is electrically coupled 9 and logic counter 10, and described output resistance 6 is connected suddenly by wire respectively
That element 2 and microprocessor 3, described logic counter 10 connects microprocessor 3 by wire.This kind of multi-functional Hall current passes
Sensor, by this kind of structure design, by current measurement module and rotation speed measuring module, may be respectively used for measuring institute's slowdown monitoring circuit
Electric current or moving object rotating speed, and can be shown to measuring the result that obtains on LCDs 4 by microprocessor 3,
Realize the several functions of single sensor, specifically, by the faradic principle of Hall element 2 by by the electric current of circuit
It is converted into voltage, by the permanent magnet 7 being fixed on testee, after testee rotation, produce moving magnetic field, and sensor
Moving magnetic field is converted into pulse signal by interior Hall element 2, is sent number of revolutions to microprocessor by logic counter 10
Device 3, microprocessor 3 shows calculated rotating speed to LCDs 4 again, and this sensor has two kinds of metering systems, and
Can display data directly perceived, be worthy to be popularized.
In the present embodiment, described insulation toroidal shell 1 is provided with buzzer 11, and described microprocessor 3 is divided by wire
Not Lian Jie LCDs 4 and buzzer 11, measured data can be shown by LCDs 4, and buzzer 11 can
To play alarm function after rotating speed or electric current are above standard value, described insulation toroidal shell 1 bottom two ends are provided with fixed strip
12, above insulation toroidal shell 1, fixed strip 12 can be used for fixing this sensor, LCDs described LCDs 4
4 are more convenient for observing located at top, and described fixed strip 12 is provided with fixing hole, and described fixing in the hole is provided with mounting screw 13, passes through
Fixed strip 12 and mounting screw 13 are more convenient for installation and the fixation of sensor, and described Hall element 2 is fixed by fixing glue
In insulation toroidal shell 1 inner surface, described permanent magnet 7 is fixed in detected element by fixed mount 8, by the permanent magnet of rotation
With fixing Hall element 2, can be used for measuring the rotating speed of rotating object.
Based on above-mentioned, the utility model passes through current measurement module and rotation speed measuring module, may be respectively used for measuring institute
The electric current of slowdown monitoring circuit or the rotating speed of moving object, and LCDs can be shown to by measuring the result obtaining by microprocessor
On, and by the threshold value of microprocessor setting speed or electric current and then warning function can be provided, it is worthy to be popularized.
As known by the technical knowledge, the utility model can be by the reality of other essence without departing from its spirit or essential feature
Apply scheme to realize.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only
's.All in the range of the utility model or be equal to the change in the range of the utility model all by the utility model bag
Contain.
Claims (5)
1. a kind of multi-functional Hall current sensor is it is characterised in that include insulation toroidal shell, Hall element, current measurement
Module, rotation speed measuring module, microprocessor and LCDs, described current measurement module include toroidal core, division board and
Output resistance, described toroidal core is provided with breach located at the annular enclosure interior of insulation, described toroidal core bottom, described Hall unit
Located at indentation, there, described division board includes permanent magnet, fixed mount, electricity located at toroidal core lower end, described rotation speed measuring module to part
Coupler and logic counter, described output resistance connects Hall element and microprocessor, described logic meter by wire respectively
Number device connects microprocessor by wire.
2. a kind of multi-functional Hall current sensor according to claim 1 it is characterised in that：Described insulation toroidal shell
It is provided with buzzer, described microprocessor connects LCDs and buzzer respectively by wire.
3. a kind of multi-functional Hall current sensor according to claim 1 it is characterised in that：Described insulation toroidal shell
Bottom two ends are provided with fixed strip, and described LCDs is above insulation toroidal shell.
4. a kind of multi-functional Hall current sensor according to claim 1 it is characterised in that：Described fixed strip is provided with
Fixing hole, described fixing in the hole is provided with mounting screw.
5. a kind of multi-functional Hall current sensor according to claim 1 it is characterised in that：Described Hall element passes through
Fixing glue is fixed on the annular shell inner surface of insulation, and described permanent magnet is fixed in detected element by fixed mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893507.9U CN205940636U (en) | 2016-08-12 | 2016-08-12 | Multi -functional hall current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893507.9U CN205940636U (en) | 2016-08-12 | 2016-08-12 | Multi -functional hall current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940636U true CN205940636U (en) | 2017-02-08 |
Family
ID=57918916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620893507.9U Expired - Fee Related CN205940636U (en) | 2016-08-12 | 2016-08-12 | Multi -functional hall current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205940636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621347A (en) * | 2017-08-02 | 2018-01-23 | 中国航空工业集团公司沈阳空气动力研究所 | In the mechanism and measuring method of model inner utilization Hall switch measurement rolling rotating speed |
-
2016
- 2016-08-12 CN CN201620893507.9U patent/CN205940636U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621347A (en) * | 2017-08-02 | 2018-01-23 | 中国航空工业集团公司沈阳空气动力研究所 | In the mechanism and measuring method of model inner utilization Hall switch measurement rolling rotating speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20180812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |