CN209432891U - A kind of multrirange Hall current sensor - Google Patents
A kind of multrirange Hall current sensor Download PDFInfo
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- CN209432891U CN209432891U CN201822068547.1U CN201822068547U CN209432891U CN 209432891 U CN209432891 U CN 209432891U CN 201822068547 U CN201822068547 U CN 201822068547U CN 209432891 U CN209432891 U CN 209432891U
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- sliding block
- electric conductor
- switching mechanism
- multrirange
- current sensor
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000005355 Hall effect Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a kind of multrirange Hall current sensors, including pedestal, switching mechanism and several testing agencies, the testing agency includes insulation shell, magnetic core, coil, Hall element, two conductive plates and two conducting blocks, the switching mechanism includes sliding block, connector assembly, two connection components and two sliding rails, the connection component includes spring, electric conductor and two directed elements, the multrirange Hall current sensor can be moved neatly in multiple testing agencies by switching mechanism, select some testing agency, in each testing agency, coil turn on magnetic core is different, so that the range of each testing agency is different, to conveniently in measurement according to the flexible handover measurement range of size of current, so that current detecting more convenient and quicker, and then improve the practicability of the Hall current sensor.
Description
Technical field
The utility model relates to hall device field, in particular to a kind of multrirange Hall current sensor.
Background technique
Hall current sensor is based on magnetic balance type hall principle, according to Hall effect principle, from the control of Hall element
Current terminal processed is passed through electric current I, and applies the magnetic field that magnetic field strength is B in the normal direction of Hall element plane, then hanging down
Directly in electric and magnetic fields direction (i.e. between Hall output end), a potential will be generated, Hall voltage, size direct ratio are called
In the product of control electric current I and magnetic field strength B.Hall current sensor is made of according to Hall effect principle, to Ampere's law
It is applied, i.e., generates the magnetic field for being proportional to the electric current around current-carrying conductor, and hall device is used to measure this magnetic field,
Therefore, make it possible the non-cpntact measurement of electric current, the size by measuring Hall voltage measures current-carrying conductor electric current indirectly
Size, therefore, electric current pass through and have passed through electricity-magnetic-electricity and be dielectrically separated from conversion.
In order to guarantee enough magnetic flux, to improve detection accuracy, inside the magnetic core of Hall current sensor, usually all set
There is the coil of fixed the number of turns, the number of turns is different, and the range that Hall passes current sensors is different, but since coil is fixed on hall sensing
Inside device, the number of turns immobilizes, and causes the range of Hall current sensor different, causes the range of Hall sensor fixed not
Become, during actual measurement, in order to realize precise measurement, the electric current that needs to measure should close to sensor standard it is specified
Value, when measuring in the case where size of current range position, the sensor for needing to prepare a variety of ranges is taken multiple measurements,
Measurement accuracy is not only reduced, while making measurement efficiency low, thereby reduces the practicability of existing Hall current sensor.
Utility model content
Technical problem to be solved by the utility model is: for overcome the deficiencies in the prior art, a kind of multrirange is provided suddenly
That current sensor.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of multrirange Hall current sensor,
Including pedestal, switching mechanism and several testing agencies, the switching mechanism and testing agency are respectively positioned on the top of pedestal, the inspection
Survey the top that mechanism is evenly distributed on pedestal；
The testing agency includes insulation shell, magnetic core, coil, Hall element, two conductive plates and two conducting blocks, institute
It states insulation shell and conducting block is each attached to the top of pedestal, the switching mechanism is located between two conducting blocks, the insulation
Shell is equipped with through-hole, and the magnetic core is arranged in through-hole, and the shape of the magnetic core is annular, and the magnetic core is coaxially set with through-hole
Set, the coil is wrapped on magnetic core, and the side of the close switching mechanism of the magnetic core is equipped with the first notch, the conductive plate and
Hall element is respectively positioned in the first notch, and two conductive plates are located at the two sides of Hall element, the conductive plate and conducting block
It corresponds, the Hall element is electrically connected by conductive plate with conducting block, and the number of turns of each detection components coil is different；
The switching mechanism includes that sliding block, connector assembly, two connection components and two sliding rails, the sliding rail are fixed on bottom
On seat, the sliding block is set on sliding rail, and two connection components are located at the both ends of sliding block, the connection component and conducting block
It corresponds, the connection component includes spring, electric conductor and two directed elements, and the electric conductor is connected by spring and sliding block
It connects, the spring is in compressive state, and two directed elements are located at the two sides of sliding block, and the connector assembly is arranged in sliding block
On.
Preferably, the side of the close switching mechanism of the conducting block is equipped with for the ease of the fixation and sliding of sliding block
Second notch, the shape of the horizontal cross-section of second notch are isosceles triangle, the isosceles triangle of second notch
Bottom edge is located at the one side of the close switching mechanism of conducting block, and the electric conductor matches with the second notch, the ruler of the electric conductor
The very little size for being greater than the second notch.
Preferably, the synchronizing moving in order to realize electric conductor and sliding block, the directed element includes side plate, slide bar and convex
Block, the convex block are fixedly connected by slide bar with electric conductor, and the side plate is fixed on sliding block, and the side plate is set in slide bar
On.
Preferably, wiring for convenience, the connector assembly includes rotating bar, screw rod, lifter plate and two wiring lists
Member, the top of the screw rod are fixed on the lower section at the center of rotating bar, and the lifter plate is set on screw rod, the lifter plate
Be equipped with the junction of screw rod and be located at the lower section at the both ends of lifter plate with the matched screw thread of screw rod, two wiring units,
The wiring units and electric conductor correspond, and the wiring units include socket, jack, vertical bar, pressing plate and fixing pipe, described
Socket is horizontally set on sliding block, and the jack is vertically provided on sliding block, and the socket is connected to jack, and the pressing plate passes through
Vertical bar is fixed on the lower section of lifter plate, and the fixing pipe is fixed on the inner wall of jack, and the fixing pipe is set on vertical bar, institute
Pressing plate is stated to be electrically connected with electric conductor.
Preferably, the bottom end of the screw rod is equipped with turntable in order to avoid screw rod slides up and down, set above the sliding block
There is annular slide track, periphery and the slideway of the turntable are slidably connected.
Preferably, the four corners of the pedestal are equipped with screw, the screw and whorl of base for the ease of firm banking
Connection.
The utility model has the beneficial effects that the multrirange Hall current sensor can be neatly more by switching mechanism
It being moved in a testing agency, selects some testing agency, in each testing agency, the coil turn on magnetic core is different, so that
The range of each testing agency is different, thus conveniently in measurement according to the flexible handover measurement range of size of current, so that electric current is examined
More convenient and quicker is surveyed, and then improves the practicability of the Hall current sensor.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the multrirange Hall current sensor of the utility model；
Fig. 2 is the structural schematic diagram of the insulation shell of the multrirange Hall current sensor of the utility model；
Fig. 3 is the portion the A enlarged drawing of Fig. 1；
Fig. 4 is the structural schematic diagram of the connector assembly of the multrirange Hall current sensor of the utility model；
In figure: 1. pedestals, 2. insulation shells, 3. magnetic cores, 4. coils, 5. Hall elements, 6. conductive plates, 7. conducting blocks, 8.
Sliding block, 9. sliding rails, 10. springs, 11. electric conductors, 12. side plates, 13. slide bars, 14. convex blocks, 15. rotating bars, 16. screw rods, 17. liters
Plate, 18. vertical bars, 19. pressing plates, 20. fixing pipes, 21. turntables, 22. slideways, 23. screws drop.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As shown in Figs. 1-2, a kind of multrirange Hall current sensor, including pedestal 1, switching mechanism and several detection machines
Structure, the switching mechanism and testing agency are respectively positioned on the top of pedestal 1, and the testing agency is evenly distributed on the top of pedestal 1；
The testing agency includes insulation shell 2, magnetic core 3, coil 4,5, two conductive plates 6 of Hall element and two conductions
Block 7, the insulation shell 2 and conducting block 7 are each attached to the top of pedestal 1, the switching mechanism be located at two conducting blocks 7 it
Between, the insulation shell 2 is equipped with through-hole, and the magnetic core 3 is arranged in through-hole, and the shape of the magnetic core 3 is annular, the magnetic
Core 3 and through-hole are coaxially disposed, and the coil 4 is wrapped on magnetic core 3, and the side of close the switching mechanism of the magnetic core 3 is equipped with the
One notch, the conductive plate 6 and Hall element 5 are respectively positioned in the first notch, and two conductive plates 6 are located at Hall element 5
Two sides, the conductive plate 6 are corresponded with conducting block 7, and the Hall element 5 is electrically connected by conductive plate 6 with conducting block 7, respectively
The number of turns of detection components coil 4 is different；
In the Hall current sensor, pedestal 1 is fixedly mounted near position to be detected, the top of pedestal 1, by more
A testing agency forms, and 4 the number of turns of coil in each testing agency in insulation shell 2 magnetically is different, so that each detection machine
The detection range of structure is different, and by switching mechanism, rotatable one of testing agency is detected.When in use, by energization
Conducting wire passes through the through-hole on insulation shell 2, connects outer lead using switching mechanism, and conducting wire is connected with the device of measurement voltage,
When electrified wire flows through electric current, the electric current of outer conductor can be captured on magnetic core 3 using magnetic core 3, by current signal change at
Magnetic field signal is then converted into voltage signal using the Hall element 5 of the first indentation, there on magnetic core 3, suddenly by the signal in magnetic field
The two sides of your element 5, are connected with two conducting blocks 7 outside insulation shell 2 respectively by two conductive plates 6, thus
Voltage is formed between two conducting blocks 7, by the way that switching mechanism to be moved between two conducting blocks 7, two conductions can be measured
Voltage between block 7 can obtain the current data flowed through in electrified wire by voltage data.
As shown in figure 3, the switching mechanism includes sliding block 8, connector assembly, two connection components and two sliding rails 9, it is described
Sliding rail 9 is fixed on pedestal 1, and the sliding block 8 is set on sliding rail 9, and two connection components are located at the both ends of sliding block 8, institute
It states connection component and conducting block 7 corresponds, the connection component includes spring 10, electric conductor 11 and two directed elements, institute
It states electric conductor 11 to connect by spring 10 with sliding block 8, the spring 10 is in compressive state, and two directed elements are located at cunning
The two sides of block 8, the connector assembly are arranged on sliding block 8.
In switching mechanism, connection outer lead is facilitated by connector assembly, the position of sliding rail 9 is fixed on pedestal 1, thus
The sliding of sliding block 8 is facilitated, sliding block 8 is moved along sliding rail 9, the position of adjustable slide 8, and sliding block 8 is moved to some detection
Between two of them conducting block 7 in mechanism, current measurement can be carried out, thus switch different two sides when being convenient for measuring, it is sliding
The two sides of block 8 push electric conductor 11 by the spring 10 of compressive state, so that electric conductor 11 generates becoming far from the movement of sliding block 8
Gesture, when being moved between two conducting blocks 7 convenient for sliding block 8, electric conductor 11 is contacted with conducting block 7, realizes the transmitting of electric signal.
Preferably, the side of the close switching mechanism of the conducting block 7 is set for the ease of the fixation and sliding of sliding block 8
There is the second notch, the shape of the horizontal cross-section of second notch is isosceles triangle, the isosceles triangle of second notch
Bottom edge be located at conducting block 7 close switching mechanism one side, the electric conductor 11 matches with the second notch, the electric conductor
11 size is greater than the size of the second notch.Conducting block 7 is equipped with the second notch, and electric conductor 11 matches with the second notch,
When sliding block 8 is moved between two conducting blocks 7, the spring 10 of compressive state pushes electric conductor 11, so that the top of electric conductor 11
Angular position is put in the second notch, and then contacts electric conductor 11 with conducting block 7, thus the position of fixed electric conductor 11, simultaneously
Using the design of triangle, is conducive to increase the contact area between electric conductor 11 and conducting block 7, guarantees the transmission of electric signal,
It when sliding block 8 is moved along sliding rail 9, is acted on electric conductor 11 by directed element, so that a wherein waist for electric conductor 11
With one of inner wall contact generation effect of the second notch, compressed spring 10 facilitates electric conductor 11 to be detached from the second notch, thus
Convenient for electric conductor 11 as sliding block 8 synchronizes movement.
Preferably, the synchronizing moving in order to realize electric conductor 11 and sliding block 8, the directed element includes side plate 12, slides
Bar 13 and convex block 14, the convex block 14 are fixedly connected by slide bar 13 with electric conductor 11, and the side plate 12 is fixed on sliding block 8,
The side plate 12 is set on slide bar 13.When sliding block 8 is moved, sliding block 8 drives side plate 12 to be moved, and side plate 12 acts on
On slide bar 13, so that the movement that slide bar 13 is synchronized with electrical conductor 11, conductive when 10 deformation quantity of spring changes
Body 11 is smoothly moved with the axis of slide bar 13, while be can avoid sliding block 8 by convex block 14 and being detached from side plate 12.
As shown in figure 4, the connector assembly includes rotating bar 15, screw rod 16, lifter plate 17 and two wiring units, it is described
The top of screw rod 16 is fixed on the lower section at the center of rotating bar 15, and the lifter plate 17 is set on screw rod 16, the lifting
Being equipped with the junction of screw rod 16 for plate 17 is located at the two of lifter plate 17 with the matched screw thread of screw rod 16, two wiring units
The lower section at end, the wiring units and electric conductor 11 correspond, and the wiring units include socket, jack, vertical bar 18, pressing plate
19 and fixing pipe 20, the socket be horizontally set on sliding block 8, the jack is vertically provided on sliding block 8, the socket and insert
Hole connection, the pressing plate 19 are fixed on the lower section of lifter plate 17 by vertical bar 18, and the fixing pipe 20 is fixed on the inner wall of jack
On, the fixing pipe 20 is set on vertical bar 18, and the pressing plate 19 is electrically connected with electric conductor 11.
In connector assembly, by driving rotating bar 15 to rotate, so that screw rod 16 rotates, screw rod 16 is made by screw thread
With on lifter plate 17, so that lifter plate 17 carries out lifting moving, and then the vertical bar 18 of the lower section at 17 both ends of lifter plate can be driven
Lifting moving is carried out on the axis direction of fixing pipe 20, so that pressing plate 19 carries out lifting moving in jack, it, will in wiring
Conducting wire is protruded into jack by socket, then lifter plate 17 is driven to move down, so that lifter plate 17 is by vertical bar 18 with dynamic pressure
Plate 19 moves down, fixed conducting wire, since pressing plate 19 is electrically connected with electric conductor 11, to make the signal of Hall element 5 by leading
Electric block 7, electric conductor 11 and pressing plate 19 are transmitted on outer lead, convenient for realizing sensed current signal by measurement voltage signal.
Preferably, the bottom end of the screw rod 16 is equipped with turntable 21, the sliding block 8 in order to avoid screw rod 16 slides up and down
Top be equipped with annular slide track 22, periphery and the slideway 22 of the turntable 21 be slidably connected.Pass through the slideway being fixed on sliding block 8
22, the rotary motion trace of turntable 21 is secured, so that screw rod 16 drives turntable 21 to carry out smooth rotation, and the height and position of slideway 22
It is fixed, so that the height and position of turntable 21 is fixed, and then avoids screw rod 16 and move up and down.
Preferably, the four corners of the pedestal 1 are equipped with screw 23, the screw 23 and bottom for the ease of firm banking 1
Seat 1 is threadedly coupled.By rotation screw 23, facilitates for pedestal 1 to be fixedly mounted in various PCB circuit boards and carry out current detecting.
The multrirange Hall current sensor is in use, pass through insulation shell 2 in each testing agency for electrified wire
After through-hole, external signal line is connected by connector assembly, band movable slider 8 is moved along sliding rail 9, so that sliding block 8 is located at some inspection
It surveys between two conducting blocks 7 in mechanism, using connection component electric conductor 11 is contacted with conducting block 7, be convenient for insulation shell 2
Interior, electric signal is passed to electric conductor 11 by the Hall element 5 of 3 indentation, there of magnetic core, then is led by two in measurement access socket
Voltage between line can obtain voltage data, then be converted, and can be obtained the electricity flowed through in the conducting wire of through hole
Stream, when due to measurement, changeover module can be moved in different testing agencies, thus facilitate handover measurement range, so that
Current detecting more convenient and quicker, and then improve the practicability of the Hall current sensor.
Compared with prior art, which can be neatly in multiple detection machines by switching mechanism
It is moved in structure, selects some testing agency, in each testing agency, 4 the number of turns of coil on magnetic core 3 is different, so that each detection
The range of mechanism is different, thus conveniently in measurement according to the flexible handover measurement range of size of current, so that current detecting is more square
Just quick, and then improve the practicability of the Hall current sensor.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. a kind of multrirange Hall current sensor, which is characterized in that including pedestal (1), switching mechanism and several testing agencies,
The switching mechanism and testing agency are respectively positioned on the top of pedestal (1), and the testing agency is evenly distributed on the upper of pedestal (1)
Side；
The testing agency includes insulation shell (2), magnetic core (3), coil (4), Hall element (5), two conductive plates (6) and two
A conducting block (7), the insulation shell (2) and conducting block (7) are each attached to the top of pedestal (1), and the switching mechanism is located at
Between two conducting blocks (7), the insulation shell (2) is equipped with through-hole, and the magnetic core (3) is arranged in through-hole, the magnetic core
(3) shape is annular, and the magnetic core (3) and through-hole are coaxially disposed, and the coil (4) is wrapped on magnetic core (3), the magnetic core
(3) side of close switching mechanism is equipped with the first notch, and the conductive plate (6) and Hall element (5) are respectively positioned on the first notch
Interior, two conductive plates (6) are located at the two sides of Hall element (5), and the conductive plate (6) and conducting block (7) correspond, institute
It states Hall element (5) to be electrically connected by conductive plate (6) with conducting block (7), the number of turns of each detection components coil (4) is different；
The switching mechanism includes sliding block (8), connector assembly, two connection components and two sliding rails (9), and the sliding rail (9) is solid
It is scheduled on pedestal (1), the sliding block (8) is set on sliding rail (9), and two connection components are located at the both ends of sliding block (8), institute
It states connection component and conducting block (7) corresponds, the connection component includes that spring (10), electric conductor (11) and two orientations are single
Member, the electric conductor (11) are connect by spring (10) with sliding block (8), and the spring (10) is in compressive state, two orientations
Unit is located at the two sides of sliding block (8), and the connector assembly is arranged on sliding block (8).
2. multrirange Hall current sensor as described in claim 1, which is characterized in that the close of the conducting block (7) cuts
The change planes side of structure is equipped with the second notch, and the shape of the horizontal cross-section of second notch is isosceles triangle, and described second lacks
The bottom edge of the isosceles triangle of mouth is located at the one side of the close switching mechanism of conducting block (7), and the electric conductor (11) lacks with second
Mouth matches, and the size of the electric conductor (11) is greater than the size of the second notch.
3. multrirange Hall current sensor as described in claim 1, which is characterized in that the directed element includes side plate
(12), slide bar (13) and convex block (14), the convex block (14) are fixedly connected by slide bar (13) with electric conductor (11), the side plate
(12) it is fixed on sliding block (8), the side plate (12) is set on slide bar (13).
4. multrirange Hall current sensor as described in claim 1, which is characterized in that the connector assembly includes rotating bar
(15), the top of screw rod (16), lifter plate (17) and two wiring units, the screw rod (16) is fixed in rotating bar (15)
Lower section at the heart, the lifter plate (17) are set on screw rod (16), the junction with screw rod (16) of the lifter plate (17)
Equipped with screw rod (16) matched screw thread, two wiring units are located at the lower section at the both ends of lifter plate (17), the wiring
Unit and electric conductor (11) correspond, and the wiring units include socket, jack, vertical bar (18), pressing plate (19) and fixing pipe
(20), the socket is horizontally set on sliding block (8), and the jack is vertically provided on sliding block (8), and the socket and jack connect
Logical, the pressing plate (19) is fixed on the lower section of lifter plate (17) by vertical bar (18), and the fixing pipe (20) is fixed on jack
On inner wall, the fixing pipe (20) is set on vertical bar (18), and the pressing plate (19) is electrically connected with electric conductor (11).
5. multrirange Hall current sensor as claimed in claim 4, which is characterized in that the bottom end of the screw rod (16) is equipped with
The top of turntable (21), the sliding block (8) is equipped with annular slide track (22), and the periphery of the turntable (21) and slideway (22) sliding connect
It connects.
6. multrirange Hall current sensor as described in claim 1, which is characterized in that the four corners of the pedestal (1) are set
Have screw (23), the screw (23) is threadedly coupled with pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822068547.1U CN209432891U (en) | 2018-12-10 | 2018-12-10 | A kind of multrirange Hall current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822068547.1U CN209432891U (en) | 2018-12-10 | 2018-12-10 | A kind of multrirange Hall current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209432891U true CN209432891U (en) | 2019-09-24 |
Family
ID=67971125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822068547.1U Expired - Fee Related CN209432891U (en) | 2018-12-10 | 2018-12-10 | A kind of multrirange Hall current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209432891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646696A (en) * | 2019-10-08 | 2020-01-03 | 扬州市君瑞企业管理有限公司 | Sensor on-line isolation conduction device under pressure |
-
2018
- 2018-12-10 CN CN201822068547.1U patent/CN209432891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646696A (en) * | 2019-10-08 | 2020-01-03 | 扬州市君瑞企业管理有限公司 | Sensor on-line isolation conduction device under pressure |
| CN110646696B (en) * | 2019-10-08 | 2021-08-17 | 扬州市君瑞企业管理有限公司 | Sensor on-line isolation conduction device under pressure |
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Granted publication date: 20190924 |