CN209961895U

CN209961895U - Novel Hall sensor

Info

Publication number: CN209961895U
Application number: CN201920485249.4U
Authority: CN
Inventors: 王文生
Original assignee: Beijing Senshe Electronics Co Ltd
Current assignee: Beijing Senshe Electronics Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-17
Anticipated expiration: 2029-04-10

Abstract

The utility model relates to a novel hall sensor relates to the magnetic field sensor field, and it includes the base and can dismantle the induction ring of being connected with the base, be equipped with the coil in the induction ring, upward the protruding lug that is equipped with of induction ring on the base, be equipped with hall element in the lug, hall element is located the loop of coil, the induction ring is equipped with the installing port, installing port and lug phase-match, be equipped with in the base and match in different output current's control circuit, control circuit includes the detection circuitry that is connected with hall element, with detect the boost control module that circuit is coupled and be coupled in the regulating circuit of boost control module output, regulating circuit includes a plurality of parallelly connected resistances and the regulating switch who establishes ties mutually with resistance respectively, regulating circuit's output ground connection. The utility model discloses have the cable that can adapt to multiple diameter specification, practice thrift the effect that detects the cost.

Description

Novel Hall sensor

Technical Field

The utility model belongs to the technical field of magnetic field sensor's technique and specifically relates to a novel hall sensor is related to.

Background

The Hall sensor is a magnetic field sensor manufactured according to Hall effect, and the existing Hall sensor comprises a coil and a Hall element clamped on the coil; when the Hall sensor is used for current testing, a cable penetrates through the center of a coil, then target current is conducted to the cable through an external power supply, when current in the cable passes through the coil, a potential difference is generated by a Hall element, the coil generates a magnetic field, an output signal is formed under the action of the magnetic field, and when the magnetic field generated by the coil is the same as the magnetic field generated by electrifying the cable, detection is completed by detecting the output current.

Present hall sensor, its measuring range is fixed after leaving the factory, cooperate its measuring range, hall sensor's magnetic ring size and internal circuit structure have all been fixed, therefore a hall sensor can only be applicable to the circular telegram cable of a current range, diameter specification when the cable is more, when the big or small variation range of electric current that leads to different cables to flow through is great, just need the hall sensor cooperation of different specifications to use, need purchase more hall sensor, however, hall sensor is in the use, in case take place the part damage, then need wholly to change hall sensor, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel hall sensor can adapt to the cable of multiple diameter specification, has practiced thrift the detection cost.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a novel Hall sensor, includes the base and can dismantle the induction ring of being connected with the base, be equipped with the coil in the induction ring, the base epirelief is equipped with the lug, be equipped with Hall element in the lug, Hall element is located the loop of coil, the induction ring is equipped with the installing port, the installing port is pegged graft mutually with the lug, be equipped with control circuit in the base, control circuit includes detection circuitry and the regulating circuit who is connected with Hall element, regulating circuit include a plurality of with parallelly connected resistance of coil and respectively with the regulating switch of resistance looks series connection.

Through adopting above-mentioned technical scheme, when different induction loops are changed according to the cable diameter to needs, pull down induction loop from the base, the induction loop that will satisfy the demand afterwards inserts the base, selects the resistance of resistance according to the cable diameter afterwards, and the different regulating switch is pressed down respectively to the subdividing, makes different resistance access circuit, makes electric current and cable phase-match among hall sensor's the detection circuitry to make hall sensor can adapt to different cables, practiced thrift the detection cost.

The utility model discloses further set up to: the bottom of the induction ring is provided with an installation block, the upper surface of the base is provided with an installation groove, a bolt block is arranged in the installation groove, and a bolt hole is formed in the installation block.

Through adopting above-mentioned technical scheme, after the installation piece inserts the mounting groove, the bolt piece inserts the bolt hole of installation piece to make the response ring fixed on the base.

The utility model discloses further set up to: one end of the bolt block, which faces the bolt hole, is in a quadrangular pyramid shape.

The utility model discloses further set up to: the mounting groove is internally provided with a spring, and one end of the pin block, which is far away from the notch of the mounting groove, is abutted against the spring.

Through adopting above-mentioned technical scheme, when the installation piece inserted the mounting groove, the spring launched the bolt piece and inserted in the bolt hole.

The utility model discloses further set up to: the side of the base is provided with a sliding hole, a shifting block is inserted in the sliding hole, and the shifting block is fixedly connected with the bolt block.

Through adopting above-mentioned technical scheme, when the response ring is changed to needs, stir the shifting block, make the shifting block drive the bolt piece and break away from the bolt hole to make the response ring can be followed and pulled down on the base.

The utility model discloses further set up to: the horizontal section of the shifting block is L-shaped.

By adopting the technical scheme, the contact area between the shifting block and a user is increased, so that the shifting block is convenient to shift.

The utility model discloses further set up to: the bottom surface that the induction ring is close to the base is equipped with vice installation piece, vice installation piece is on a parallel with the installation piece, vice installation piece is located one side that the induction ring is close to the shifting block, and has also seted up the bolt hole in the vice installation piece.

Through adopting above-mentioned technical scheme, in inserting the mounting groove respectively with installation piece or vice installation piece as required, the induced area who makes hall element and coil in the lug sends out the change to through making the coil can produce different electric currents, facilitate the use.

To sum up, the utility model discloses a beneficial technological effect does:

1. the adjusting circuit is arranged, so that the current output by the Hall sensor can be adjusted, and the use is convenient;

2. the induction ring and the base can be fixed by arranging the bolt block and the bolt hole;

3. through setting up the shifting block, can stir the bolt piece.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is an exploded view of the structure of the present invention.

Fig. 3 is a structural sectional view of the present invention.

Fig. 4 is a circuit diagram of the control circuit of the present invention.

FIG. 5 is a schematic view of the bottom structure of an induction ring in the second embodiment.

Reference numerals: 1. a base; 11. a bump; 12. a Hall element; 13. mounting grooves; 131. a latch block; 14. a spring; 15. shifting blocks; 16. a slide hole; 2. an induction loop; 21. a mounting seat; 22. mounting blocks; 221. a pin hole; 23. an installation port; 24. a coil; 25. a sub-mounting block; 3. a control circuit; 31. a detection circuit; 33. a regulating circuit; 34. and a secondary coil.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 and 2, in order to disclose the novel hall sensor of the present invention, the hall sensor includes a base 1 and an induction ring 2 detachably connected to the base 1, a coil 24 is fixed in the induction ring 2, and the diameter of the coil 24 and the number of turns wound by the coil 24 correspond to the specification of the induction ring 2 one by one; a rectangular mounting seat 21 is arranged on one side of the induction ring 2, and the mounting seat 21 is attached to the base 1 and is integrally arranged with the induction ring 2; the upper surface of the base 1 is convexly provided with a convex block 11 towards the mounting base 21, a Hall element 12 is fixed in the convex block 11, the Hall element 12 is positioned in a loop of a coil 24, and one side of the mounting base 21 close to the base 1 is provided with a mounting port 23 clamped with the convex block 11.

Referring to fig. 2 and 3, mounting blocks 22 are convexly arranged at two ends of one side of the mounting base 21 close to the base 1 in the direction of the base 1, a mounting groove 13 is formed in the upper surface of the base 1, a latch block 131 is arranged in the mounting groove 13, a latch hole 221 is formed in the mounting block 22, and the latch hole 221 is a through hole; one end, close to the latch hole 221, of the latch block 131 is in a quadrangular pyramid shape, one end, far away from the quadrangular pyramid, of the latch block 131 is abutted with the spring 14, and the spring 14 is used for inserting the latch block 131 into the latch hole 221; a shifting block 15 for shifting the latch block 131 is arranged on one side of the latch block 131, a sliding hole 16 is formed in the side surface of the base 1, and the shifting block 15 penetrates through the sliding hole 16 and protrudes out of the side surface of the base 1; wherein, for conveniently stirring shifting block 15, the horizontal cross-section of shifting block 15 is L shape, and slide opening 16 sets up to waist type hole, and L shape shifting block 15 has increased the area of contact of user with shifting block 15 to conveniently stir shifting block 15.

After the cable is arranged in the induction ring 2 in a penetrating mode, the installation block 22 is inserted into the installation groove 13, then the spring 14 enables the plug pin block 131 to be inserted into the plug pin hole 221 in a catapulting mode, the installation block 22 is fixed in the installation groove 13, the induction ring 2 is fixed with the base 1, and then current is detected; when the induction ring 2 needs to be replaced, the shifting block 15 is shifted along the sliding hole 16 in the direction far away from the plug pin hole 221, so that the plug pin block 131 is separated from the plug pin hole 221, then the mounting block 22 is taken out of the mounting groove 13, and the induction ring 2 is replaced, so that the induction ring 2 is convenient to replace.

Referring to fig. 4, a control circuit 3 matched with different output currents is arranged in the base 1, the control circuit includes a detection circuit 31 connected with the hall element 12 and an adjusting circuit 33 coupled to the detection circuit 31, the detection circuit 31 includes a set of sampling resistors R2 and R3 and a comparator U1 whose input terminals are respectively electrically connected with the sampling resistors, and the output terminal of the comparator U1 is electrically connected with the coil 24 in the induction ring 2; a secondary coil 34 is wound around one side of the coil 24, a detection terminal S1 is connected to the secondary coil 34, and a protection resistor R4 is coupled between the detection terminal S1 and the secondary coil 34.

Referring to fig. 4, the coil 24 outputs different currents, the parallel connection between the comparator U1 and the coil 24 of the regulating circuit 33 includes a plurality of resistors R1 ~ RN with different resistance values, the resistors R1 ~ RN are connected in parallel, each resistor is connected in series with a regulating switch K1 ~ KN, and the output terminal of the regulating circuit 33 is grounded.

The working process comprises the steps of inserting a cable into the induction ring 2, inserting the installation block 22 into the installation groove 13, then ejecting the pin block 131 into the pin hole 221 through the spring 14, fixing the installation block 22 in the installation groove 13, fixing the induction ring 2 and the base 1, selecting the resistance value of the resistor according to the diameter of the cable, then respectively pressing different adjusting switches R1 ~ RN, enabling different resistors R1 ~ RN to be connected into a circuit, enabling the current in the detection circuit 31 of the Hall sensor to be matched with the cable, and then detecting the output current of the detection terminal S1 to finish the detection of the current of the cable.

Example two

The difference from the first embodiment is that, referring to fig. 5, an auxiliary mounting block 25 parallel to the mounting block 22 is disposed on the bottom surface of the induction ring 2 close to the base 1, the auxiliary mounting block 25 is located on one side of the induction ring 2 close to the shifting block 15, and a pin hole 221 is also disposed in the auxiliary mounting block 25; when installation piece 22 inserts in the mounting groove 13, vice installation piece 25 is all unsettled, and when vice installation piece 25 inserted in the mounting groove 13, installation piece 22 is all unsettled to can change hall element 12 in the lug 11 and coil 24's induction area according to the demand, thereby can produce different electric currents through making coil 24, facilitate the use.

The utility model can adjust the current output by the Hall sensor by arranging the adjusting circuit 33, thereby being convenient for use; the induction ring 2 and the base 1 can be fixed by arranging the bolt block 131 and the bolt hole 221; by providing the toggle block 15, the latch block 131 can be toggled.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A novel Hall sensor is characterized in that: including base (1) and can dismantle induction ring (2) of being connected with base (1), be equipped with coil (24) in induction ring (2), base (1) epirelief is equipped with lug (11), be equipped with hall element (12) in lug (11), hall element (12) are located the loop of coil (24), induction ring (2) are equipped with installing port (23), installing port (23) are pegged graft mutually with lug (11), be equipped with control circuit (3) in base (1), control circuit (3) include detection circuitry (31) and regulating circuit (33) that are connected with hall element (12), regulating circuit (33) include a plurality of with parallelly connected resistance of coil (24) and respectively with the regulating switch that resistance is established ties mutually.

2. The novel hall sensor of claim 1 wherein: the induction ring is characterized in that an installation block (22) is arranged at the bottom of the induction ring (2), an installation groove (13) is formed in the upper surface of the base (1), a plug pin block (131) is arranged in the installation groove (13), and a plug pin hole (221) is formed in the installation block (22).

3. The novel hall sensor of claim 2 wherein: one end of the bolt block (131) facing the bolt hole (221) is in a quadrangular pyramid shape.

4. The novel hall sensor of claim 2 wherein: a spring (14) is arranged in the mounting groove (13), and one end, far away from the notch of the mounting groove (13), of the pin block (131) is abutted to the spring (14).

5. The novel hall sensor of claim 4 wherein: a sliding hole (16) is formed in the side face of the base (1), a shifting block (15) is inserted into the sliding hole (16), and the shifting block (15) is fixedly connected with the pin block (131).

6. The novel hall sensor of claim 5 wherein: the horizontal section of the shifting block (15) is L-shaped.

7. The novel hall sensor of claim 5 wherein: the bottom surface that the induction ring (2) is close to base (1) is equipped with vice installation piece (25), vice installation piece (25) are on a parallel with installation piece (22), vice installation piece (25) are located induction ring (2) and are close to one side of shifting block (15), and have also seted up bolt hole (221) in vice installation piece (25).