CN210037945U - Open-type Hall current sensor - Google Patents
Open-type Hall current sensor Download PDFInfo
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- CN210037945U CN210037945U CN201920506412.0U CN201920506412U CN210037945U CN 210037945 U CN210037945 U CN 210037945U CN 201920506412 U CN201920506412 U CN 201920506412U CN 210037945 U CN210037945 U CN 210037945U
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- magnetic core
- mounting groove
- semicircular magnetic
- current sensor
- semicircular
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Abstract
An open-type Hall current sensor comprises a base, wherein a first semicircular magnetic core mounting groove is formed in the base, the first semicircular magnetic core mounting groove is hinged with a second semicircular magnetic core mounting groove, a semicircular magnetic core is arranged in the first semicircular magnetic core mounting groove, and two arc-shaped magnetic cores are arranged in the second semicircular magnetic core mounting groove; the detection device comprises a circuit board, a Hall sensor is arranged on one side of the circuit board, and a wire holder is arranged on the other side of the circuit board. The utility model provides an open-type Hall current sensor, which has low cost, convenient installation, wide power supply range, high insulation grade and high insulation grade in a glue sealing mode, and can effectively prevent water, moisture and dust; the installation form is various, but vertical installation, but horizontal installation.
Description
Technical Field
The utility model relates to an electromagnetic induction technical field, especially an open-type hall current sensor.
Background
The current sensor is a detection device which can sense the information of the current to be detected and convert the sensed information into an electric signal meeting certain standards or other information in required forms according to a certain rule for output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. For a mature system in the existing equipment, it is inconvenient to install a current sensor on a lead. If the lead is required to be installed, the lead is required to be reconnected after the current sensor is installed on the lead.
Disclosure of Invention
The utility model aims to solve the technical problem that an open-type hall current sensor is provided, be convenient for install additional, upgrade and the replacement on existing equipment or circuit.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an open-type Hall current sensor comprises a base, wherein a first semicircular magnetic core mounting groove is formed in the base, the first semicircular magnetic core mounting groove is hinged with a second semicircular magnetic core mounting groove, a semicircular magnetic core is arranged in the first semicircular magnetic core mounting groove, and two arc-shaped magnetic cores are arranged in the second semicircular magnetic core mounting groove; the detection device comprises a circuit board, a Hall sensor is arranged on one side of the circuit board, and a wire holder is arranged on the other side of the circuit board.
Preferably, magnetic core through holes are formed in the two ends of the first semicircular magnetic core mounting groove and the two ends of the second semicircular magnetic core mounting groove.
Preferably, one side of the second semicircular magnetic core mounting groove is provided with a buckling plate, a lock hole is formed in the buckling plate, and one side of the first semicircular magnetic core mounting groove is provided with a wedge-shaped bulge matched with the lock hole.
Preferably, the back of the base is provided with a mounting hole, and the bottom of the base is provided with a mounting notch.
Preferably, the base, the first semicircular magnetic core mounting groove, the second semicircular magnetic core mounting groove and the buckle plate are made of plastic materials.
Preferably, the edge of the first semicircular magnetic core mounting groove is provided with a limiting column, and a groove matched with the limiting column is formed in the circuit board.
Preferably, a limit stop is further arranged in the base.
Preferably, an opening is formed in the bottom of the first semicircular magnetic core installation groove.
The utility model provides an open-type Hall current sensor, which has low cost, convenient installation, wide power supply range, high insulation grade and high insulation grade in a glue sealing mode, and can effectively prevent water, moisture and dust; the installation form is various, but vertical installation, but horizontal installation.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the magnetic core of the present invention;
fig. 4 is a schematic view of an external structure of the circuit board of the present invention;
FIG. 5 is a schematic structural view of the utility model after being opened;
fig. 6 is a top view of the utility model after opening;
fig. 7 is a perspective view of the utility model after being opened;
fig. 8 is a schematic structural view after a circuit board is mounted in the base of the present invention;
fig. 9 is a schematic circuit diagram of the circuit board of the present invention.
Detailed Description
As shown in fig. 1 to 7, an open type hall current sensor comprises a base 1, wherein a first semicircular magnetic core installation groove is formed in the base 1, the first semicircular magnetic core installation groove is hinged to a second semicircular magnetic core installation groove, a semicircular magnetic core 4 is arranged in the first semicircular magnetic core installation groove 2, and two arc-shaped magnetic cores 5 are arranged in the second semicircular magnetic core installation groove 3; the detection device comprises a circuit board 11, a Hall sensor 12 is arranged on one side of the circuit board 11, and a wire holder 13 is arranged on the other side of the circuit board 11.
Preferably, the first semicircular magnetic core mounting groove 2 and the second semicircular magnetic core mounting groove 3 are provided at both ends thereof with magnetic core through holes 6.
Preferably, one side of the second semicircular magnetic core mounting groove 3 is provided with a buckling plate 7, the buckling plate 7 is provided with a locking hole 8, and one side of the first semicircular magnetic core mounting groove 2 is provided with a wedge-shaped bulge 9 matched with the locking hole 8.
Preferably, the back of the base 1 is provided with a mounting hole 10, and the bottom of the base 1 is provided with a mounting notch 14.
Preferably, the base 1, the first semicircular magnetic core mounting groove 2, the second semicircular magnetic core mounting groove 3 and the pinch plate 7 are made of plastic materials.
Preferably, the edge of the first semicircular magnetic core installation groove 2 is provided with a limiting column 15, and the circuit board 11 is provided with a groove 16 matched with the limiting column 15.
Preferably, a limit stop 17 is further arranged in the base 1.
Preferably, the bottom of the first semicircular magnetic core installation groove 2 is provided with an opening.
As shown in figure 8, when the magnetic core type positioning device is used, the semicircular magnetic cores 4 and the arc-shaped magnetic cores 5 are firstly placed from the magnetic core through holes 6, then the circuit board is placed in the base, the limiting columns 15 are aligned with the grooves 16 on the circuit board to be fixed, the limiting stops 17 limit the circuit board, and the Hall sensors on the circuit board are located in a gap between the two arc-shaped magnetic cores 5. And after the magnetic core and the circuit board are installed, the magnetic core and the circuit board are sealed by hot melt adhesive and fixed.
As shown in fig. 9, for the circuit schematic diagram of the circuit board of the present invention, a programmable hall chip is used to implement multi-range programming according to actual requirements. In addition, errors in mechanical dimensions can be compensated for by using the programmed hall. A diode is added on the circuit, so that the anti-reverse protection effect can be well achieved.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (8)
1. An open-type hall current sensor characterized in that: the magnetic core installation structure comprises a base (1), wherein a first semicircular magnetic core installation groove (2) is formed in the base (1), the first semicircular magnetic core installation groove (2) is hinged with a second semicircular magnetic core installation groove (3), a semicircular magnetic core (4) is arranged in the first semicircular magnetic core installation groove (2), and two arc-shaped magnetic cores (5) are arranged in the second semicircular magnetic core installation groove (3); the detection device comprises a circuit board (11), a Hall sensor (12) is arranged on one side of the circuit board (11), and a wire holder (13) is arranged on the other side of the circuit board.
2. The on-off hall current sensor of claim 1 wherein: and magnetic core through holes (6) are arranged at two ends of the first semicircular magnetic core mounting groove (2) and the second semicircular magnetic core mounting groove (3).
3. The on-off hall current sensor of claim 1 wherein: one side of the second semicircular magnetic core mounting groove (3) is provided with a buckling plate (7), a lock hole (8) is formed in the buckling plate (7), and one side of the first semicircular magnetic core mounting groove (2) is provided with a wedge-shaped bulge (9) matched with the lock hole (8).
4. The on-off hall current sensor of claim 1 wherein: the back of base (1) is equipped with mounting hole (10), the bottom of base (1) is equipped with installation breach (14).
5. The on-off hall current sensor of claim 1 wherein: the base (1), the first semicircular magnetic core mounting groove (2), the second semicircular magnetic core mounting groove (3) and the buckle plate (7) are all made of plastic materials.
6. The on-off hall current sensor of claim 1 wherein: the edge of first semicircle magnetic core mounting groove (2) is equipped with spacing post (15), is equipped with on circuit board (11) with spacing post (15) matched with recess (16).
7. The on-off hall current sensor of claim 1 wherein: and a limiting stop (17) is also arranged in the base (1).
8. The on-off hall current sensor of claim 1 wherein: the bottom of the first semicircular magnetic core mounting groove (2) is provided with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920506412.0U CN210037945U (en) | 2019-04-15 | 2019-04-15 | Open-type Hall current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920506412.0U CN210037945U (en) | 2019-04-15 | 2019-04-15 | Open-type Hall current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210037945U true CN210037945U (en) | 2020-02-07 |
Family
ID=69359472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920506412.0U Active CN210037945U (en) | 2019-04-15 | 2019-04-15 | Open-type Hall current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210037945U (en) |
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2019
- 2019-04-15 CN CN201920506412.0U patent/CN210037945U/en active Active
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| GR01 | Patent grant |