CN216051876U

CN216051876U - Open-type Hall small current clamp probe

Info

Publication number: CN216051876U
Application number: CN202122426447.3U
Authority: CN
Inventors: 王东明
Original assignee: Nanjing Qihuo Technology Co ltd
Current assignee: Nanjing Qihuo Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-15
Anticipated expiration: 2031-10-09

Abstract

The utility model provides an open type Hall small current clamp probe, which comprises a lower shell and an upper shell rotatably mounted on the top of the lower shell, wherein one end of the upper shell is provided with a groove, two sides of the groove are provided with spring bead clamping holes, the top of the lower shell is provided with a lug, the lug can be clamped into the groove, the lug is provided with a spring bead fixing hole, a double-head spring bead is mounted in the spring bead fixing hole, the double-head spring bead can be clamped into the spring bead clamping holes, and the upper shell is fixed on the top of the lower shell. The utility model provides a small-size open-type Hall small current clamp probe for a mature system in the existing equipment under the condition of limited space on the basis of not damaging the original current loop, so that the small-size open-type Hall small current clamp probe is convenient to additionally install and measure on the equipment or a circuit in the limited space, and has the advantages of low cost, small size, convenience in installation, direct current loop at any position in the installation form, small occupied space and good practicability.

Description

Open-type Hall small current clamp probe

Technical Field

The utility model relates to the field of Hall current sensors, in particular to an open type Hall small current clamp probe.

Background

The Hall current sensor is a current detection device which is developed based on the Hall effect principle and used for carrying out isolation detection on primary side current, a magnetic field generated by the primary side current is collected by the magnetic gathering ring, a Hall element arranged in the magnetic gathering ring collects the magnetic field to generate a Hall voltage which is in equal proportion to the primary side magnetic field, and the isolation detection on the primary side current can be realized by measuring the magnitude of the Hall voltage. The Hall current sensor can measure direct current, alternating current, pulse and various irregular waveform currents, and converts the currents into voltage signals, current signals or other required forms of information output which meet certain standards according to a certain rule 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, the size of current in a cable needs to be measured, so that the cable is inconvenient to install on equipment or a line in a limited space, and an original current loop is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an open type Hall small current clamp probe which is convenient for being additionally arranged on limited space equipment or lines for measurement.

In order to achieve the above purpose, the utility model provides the following technical scheme: an open-type Hall small current clamp probe comprises a lower shell and an upper shell rotatably mounted on the top of the lower shell, wherein one end of the upper shell is provided with a groove, two sides of the groove are provided with spring bead clamping holes, the top of the lower shell is provided with a lug, the lug can be clamped into the groove, the lug is provided with a spring bead fixing hole, a double-head spring bead is mounted in the spring bead fixing hole, the double-head spring bead can be clamped into the spring bead clamping holes, and the upper shell is fixed on the top of the lower shell;

the lower shell is provided with a detachable side cover, an accommodating space is formed between the side cover and the lower shell, a first magnetic core is arranged in an accommodating cavity of the lower shell and comprises two sections of magnetic core structures, a gap is formed between the two sections of magnetic core structures, and a second magnetic core is arranged in the upper shell and is of one section of magnetic core structure;

install circuit board assembly in the accommodation space, one side of circuit board assembly is equipped with power supply output sheathed wire, power supply output sheathed wire runs through to the external portion of inferior valve, be equipped with hall sensor on the circuit board assembly, hall sensor is arranged in the clearance of first magnetic core.

Preferably, a first fixing screw is arranged on the lower shell, a second screw hole is formed in the side cover, a first screw hole is formed in the lower shell, the first fixing screw can penetrate through the second screw hole and is connected with the first screw hole, and then the side cover is detachably mounted on the lower shell.

Preferably, a fixing screw rotating shaft is arranged between the lower shell and the upper shell, the upper shell and the lower shell are separately provided with a rotating shaft threaded hole and a first rotating shaft hole, the side cover is provided with a second rotating shaft hole, and the screw rotating shaft penetrates through the second rotating shaft hole, the first rotating shaft hole and the rotating shaft threaded hole to rotatably connect the side cover, the lower shell and the upper shell.

Preferably, the right-hand opening has been seted up to the side of casing down, the power supply output sheath line runs through the right-hand opening, still be provided with ply-yarn drill, second set screw and third screw hole on the casing down, second set screw and third screw hole are used for fixed ply-yarn drill, the power supply output sheath line passes the right-hand opening and fixes on the casing down through the line card.

Preferably, anti-slip grooves are formed in two sides of the upper shell.

The beneficial effects are that the technical scheme of this application possesses following technological effect: the utility model provides a small-size open-type Hall small current clamp probe for a mature system in the existing equipment under the condition of limited space on the basis of not damaging the original current loop, so that the small-size open-type Hall small current clamp probe is convenient to additionally install and measure on the equipment or a circuit in the limited space, and has the advantages of low cost, small size, convenience in installation, direct current loop at any position in the installation form, small occupied space and good practicability.

It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in greater detail below, may be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of an open perspective structure of the present invention;

FIG. 2 is a schematic diagram of the structure of a first magnetic core and a second magnetic core of the present invention;

FIG. 3 is a schematic perspective view of the upper housing of the present invention;

FIG. 4 is a perspective view of the lower housing portion subassembly of the present invention;

FIG. 5 is a perspective view of the lower housing portion subassembly of the present invention;

FIG. 6 is a side cover schematic view of the present invention;

FIG. 7 is a front view of the present invention (with the upper housing closed);

fig. 8 is a front view of the present invention after opening (upper housing open).

In the figures, the meaning of the reference numerals is as follows: 1. a lower housing; 2. an upper housing; 3. a side cover; 4. a double-ended spring bead; 5. a first magnetic core; 6. a second magnetic core; 7. a first set screw; 8. fixing the screw rotation shaft; 9. a power supply output sheath wire; 10. a spring bead snap hole; 11. a spring bead fixing hole; 12. a first screw hole; 13. a rotating shaft threaded hole; 14. a second set screw; 15. a circuit board assembly; 16. a line card; 17. a Hall sensor; 18. a first rotation shaft hole; 19. a gap; 20. an anti-slip groove; 21. a second screw hole; 22. a third screw hole; 23. a right hole; 24. a second rotary shaft hole.

Detailed Description

In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings. In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the utility model. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.

As shown in fig. 1 to 8, an open type hall small current clamp probe comprises a lower shell 1, an upper shell 2 and a side cover 3, wherein the upper shell 2 and the side cover 3 are rotatably mounted on the top of the lower shell 1, in the embodiment, a fixing screw rotating shaft 8 is arranged between the lower shell 1 and the upper shell 2, a rotating shaft threaded hole 13 and a first rotating shaft hole 18 are separately arranged on the upper shell 2 and the lower shell 1, the side cover 3 is provided with a second rotating shaft hole 24, and the screw rotating shaft 8 penetrates through the second rotating shaft hole 24, the first rotating shaft hole 18 and the rotating shaft threaded hole 13 to rotatably connect the side cover 3, the lower shell 1 and the upper shell 2. Thereby realizing rotatable mounting of the upper case 2 on the lower case 1.

When the side cap 3 is installed, design following structure, be provided with first set screw 7 on the casing 1 down, second screw hole 21 has been seted up to side cap 3, has seted up first screw hole 12 on the casing 1 down, and first set screw 7 can pass second screw hole 21 and be connected with first screw hole 12, and then installs side cap 3 detachable on casing 1 down. The side cover 3 can be detached by unscrewing the first fixing screw 7.

Go up the one end of casing 2 and seted up the recess, spring ball card hole 10 has been seted up to the both sides of recess, and the top of casing 1 has the lug down, and the lug can block to the recess in, has seted up spring ball fixed orifices 11 on the lug, installs double-end spring ball 4 in the spring ball fixed orifices 11, and double-end spring ball 4 can block to spring ball card hole 10 in to make and go up casing 2 and fix at casing 1 top down.

Lower casing 1 has detachable side cap 3, has accommodation space between side cap 3 and the lower casing 1, is provided with first magnetic core 5 in the cavity that holds of lower casing 1, and first magnetic core 5 includes two sections magnetic core structures, has clearance 19 between two sections magnetic core structures, is provided with second magnetic core 6 in the last casing 2, and second magnetic core 6 is one section magnetic core structure.

Install circuit board assembly 15 in the accommodation space, one side of circuit board assembly 15 is equipped with power supply output sheathed wire 9, and power supply output sheathed wire 9 runs through to casing 1 outside down, is equipped with hall sensor 17 on circuit board assembly 15, and hall sensor 17 is arranged in the clearance 19 of first magnetic core 5.

In this embodiment, a right hole 23 is formed in a side edge of the lower housing 1, the power supply output sheath wire 9 penetrates through the right hole 23, the lower housing 1 is further provided with a wire clip 16, a second fixing screw 14 and a third screw hole 22, the second fixing screw 14 and the third screw hole 22 are used for fixing the wire clip 16, and the power supply output sheath wire 9 penetrates through the right hole 23 and is fixed on the lower housing 1 through the wire clip 16.

In this embodiment, the anti-slip grooves 20 are disposed on two sides of the upper housing 2, so that the upper housing 2 can be conveniently opened.

This embodiment provides an open-type hall undercurrent pincers probe to the ripe system in the middle of the existing equipment on the basis of not destroying original current loop, under the limited condition in space, is convenient for install additional the measurement on limited space equipment or circuit, low cost, small in size, the installation of being convenient for, the direct current loop optional position of mounting form, occupation space is little, and the practicality is good.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. The utility model provides an open-type hall undercurrent pincers probe, includes casing (1) and rotatory upper casing (2) of installing on casing (1) top down, its characterized in that: one end of the upper shell (2) is provided with a groove, two sides of the groove are provided with spring bead clamping holes (10), the top of the lower shell (1) is provided with a convex block which can be clamped into the groove, the convex block is provided with spring bead fixing holes (11), double-headed spring beads (4) are installed in the spring bead fixing holes (11), the double-headed spring beads (4) can be clamped into the spring bead clamping holes (10), and the upper shell (2) is fixed to the top of the lower shell (1);

the lower shell (1) is provided with a detachable side cover (3), an accommodating space is formed between the side cover (3) and the lower shell (1), a first magnetic core (5) is arranged in an accommodating cavity of the lower shell (1), the first magnetic core (5) comprises two sections of magnetic core structures, a gap (19) is formed between the two sections of magnetic core structures, a second magnetic core (6) is arranged in the upper shell (2), and the second magnetic core (6) is a section of magnetic core structure;

install circuit board assembly (15) in the accommodation space, one side of circuit board assembly (15) is equipped with power supply output sheathed wire (9), power supply output sheathed wire (9) run through to casing (1) outside down, be equipped with hall sensor (17) on circuit board assembly (15), hall sensor (17) are arranged in clearance (19) of first magnetic core (5).

2. The open-type hall small current clamp probe of claim 1, wherein: the improved structure is characterized in that a first fixing screw (7) is arranged on the lower shell (1), a second screw hole (21) is formed in the side cover (3), a first screw hole (12) is formed in the lower shell (1), the first fixing screw (7) can penetrate through the second screw hole (21) and is connected with the first screw hole (12), and then the side cover (3) is detachably mounted on the lower shell (1).

3. The open-type hall small current clamp probe of claim 1, wherein: be provided with set screw rotation axis (8) between casing (1) and last casing (2) down, go up casing (2) and casing (1) down and separately be equipped with rotation axis screw hole (13) and first rotation axis hole (18), side cap (3) are equipped with second rotation axis hole (24), screw rotation axis (8) pass second rotation axis hole (24), first rotation axis hole (18) and rotation axis screw hole (13) with side cap (3), lower casing (1) and last casing (2) rotation connection.

4. The open-type hall small current clamp probe of claim 1, wherein: right hole (23) have been seted up to the side of casing (1) down, power supply output sheath line (9) run through right hole (23), still be provided with ply-yarn drill (16), second set screw (14) and third screw hole (22) on casing (1) down, second set screw (14) and third screw hole (22) are used for fixed ply-yarn drill (16), power supply output sheath line (9) pass right hole (23) and are fixed under on casing (1) through ply-yarn drill (16).

5. The open-type hall small current clamp probe of claim 1, wherein: and anti-skidding grooves (20) are formed in two sides of the upper shell (2).