CN215415585U

CN215415585U - Open-type Hall large-current sensor

Info

Publication number: CN215415585U
Application number: CN202121144181.7U
Authority: CN
Inventors: 王东明
Original assignee: Nanjing Qihuo Technology Co ltd
Current assignee: Nanjing Qihuo Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-01-04
Anticipated expiration: 2031-05-26

Abstract

The utility model provides an open-type Hall large-current sensor which comprises a left shell and a right shell, wherein the left shell and the right shell are both provided with accommodating cavities, the tops of the left shell and the right shell are both open, one end of the right shell is rotatably connected with the left shell, the open-type Hall large-current sensor also comprises a positioning assembly, and the other end of the right shell is fixed on the left shell through the positioning assembly. The utility model provides the open-type Hall large-current sensor for a mature system in the existing equipment under the conditions of limited space and large current requirement on the basis of not damaging the original current loop, so that the open-type Hall large-current sensor is convenient to install, upgrade and replace on equipment or a circuit in limited space, has low cost, small volume and convenient installation, can be packaged by pouring sealant, has high insulation grade, can effectively prevent water, moisture and dust, is directly fixed on any position of the loop on a copper bar or an aluminum bar with excessive current in an installation mode, occupies small space and has good practicability.

Description

Open-type Hall large-current sensor

Technical Field

The utility model relates to the field of Hall current sensors, in particular to an open type Hall large current sensor.

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. And can measure direct current, alternating current, pulse and various irregular waveform currents. The voltage signal, the current signal or the information in other required forms which meets the requirements of certain standards are converted according to a certain rule and 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, the installation, upgrade and replacement on the equipment or line in a limited space are inconvenient, and the original current loop is easy to damage, so that under the conditions that the space of the existing equipment is limited and the current requirement is high, an open-type Hall large-current sensor convenient to install additionally is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an open type Hall large-current sensor which is convenient to install, upgrade and replace on limited space equipment or lines.

In order to achieve the above purpose, the utility model provides the following technical scheme: an open-type Hall large-current sensor comprises a left shell and a right shell, wherein the left shell and the right shell are both provided with accommodating cavities, the tops of the left shell and the right shell are both open, one end of the right shell is rotatably connected with the left shell, the open-type Hall large-current sensor also comprises a positioning assembly, and the other end of the right shell is fixed on the left shell through the positioning assembly;

the improved magnetic circuit board comprises a left shell and a right shell, and is characterized in that a first magnetic core is arranged in a containing cavity of the left shell, a second magnetic core is arranged in a containing cavity of the right shell, a support column is fixedly connected in the left shell, a first connecting hole is formed in the support column, a circuit board assembly is arranged on the support column, a second connecting hole matched with the first connecting hole is formed in the circuit board assembly, the first connecting hole and the second connecting hole are connected through screws, the circuit board assembly is located at the top of the first magnetic core, a circuit parameter adjusting potentiometer and a circuit board power supply output connecting terminal are arranged at the top of the circuit board assembly, a Hall sensor is arranged at the bottom of the circuit board assembly, and the Hall sensor is located in a gap between the first magnetic core and the second magnetic core.

Further, in the present invention, a stainless steel rotating shaft is disposed between the left housing and the right housing, the left housing and the right housing are separately provided with a first rotating shaft hole and a second rotating shaft hole, and the stainless steel rotating shaft passes through the first rotating shaft hole and the second rotating shaft hole to rotatably connect the left housing and the right housing.

Further, in the present invention, the positioning component is a bolt, the right housing is provided with a through hole, the left housing is provided with a bolt hole, and the bolt penetrates through the through hole to connect with the bolt hole, thereby connecting the left housing and the right housing.

Further, in the utility model, a positioning column is fixedly connected to the left shell, the positioning column is located on the side edge of the bolt hole, a positioning hole is formed in the right shell, and the positioning column can be clamped into the positioning hole.

Further, in the utility model, a height limiting block is arranged inside the left shell, and the height limiting block is used for ensuring that the circuit boards are installed in parallel.

Further, in the utility model, an extension plate is arranged at the bottom of the left shell, the extension plate is provided with a plurality of mounting holes, and the mounting holes comprise three circular screw mounting holes and two elliptical screw mounting holes.

The beneficial effects are that the technical scheme of this application possesses following technological effect:

the utility model provides the open-type Hall large-current sensor for a mature system in the existing equipment under the conditions of limited space and large current requirement on the basis of not damaging the original current loop, so that the open-type Hall large-current sensor is convenient to install, upgrade and replace on equipment or a circuit in limited space, has low cost, small volume and convenient installation, can be packaged by pouring sealant, has high insulation grade, can effectively prevent water, moisture and dust, is directly fixed on any position of the loop on a copper bar or an aluminum bar with excessive current in an installation mode, occupies small space and has good practicability.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present 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 front view of the present invention (circuit board not shown);

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic perspective view of the present invention (circuit board not shown);

FIG. 4 is a schematic back perspective view of the present invention;

FIG. 5 is a schematic diagram of the structure of a first magnetic core and a second magnetic core according to the present invention;

FIG. 6 is a schematic perspective view of a circuit board according to the present invention;

FIG. 7 is a schematic perspective view of a circuit board and first and second magnetic cores according to the present invention;

FIG. 8 is a front view of the utility model after opening (right housing open);

FIG. 9 is a schematic view of the opened structure of the present invention (right housing opened);

fig. 10 is a perspective view of the present invention (after epoxy glue has encapsulated the core and circuit board).

In the figures, the meaning of the reference numerals is as follows: 1. a left housing; 2. a right housing; 3. a bolt; 4. a stainless steel rotating shaft; 5. a first magnetic core; 6. a second magnetic core; 7. a first connection hole; 8. a height limiting block; 9. mounting holes; 10. a first rotation shaft hole; 11. a second rotation shaft hole; 12. a positioning column; 13. bolt holes; 14. positioning holes; 15. a circuit board; 16. a Hall sensor; 17. a circuit parameter adjustment potentiometer; 18. a circuit board power supply output wiring terminal; 19. and a second connection 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. 1-10, an open-type hall large current sensor comprises a left casing 1 and a right casing 2, wherein the left casing 1 adopts a large U-shaped structure (deeper), the right casing 2 adopts a small U-shaped structure (shallower), the left casing 1 and the right casing 2 are both provided with accommodating cavities, the tops of the left casing 1 and the right casing 2 are both open, one end of the right casing 2 is rotatably connected with the left casing 1, the open-type hall large current sensor further comprises a positioning assembly, and the other end of the right casing 2 is fixed on the left casing 1 through the positioning assembly; in this embodiment, locating component is bolt 3, has seted up the through-hole on the right side casing 2, has seted up bolt hole 13 on the left side casing 1, and bolt 3 passes the through-hole and is connected with bolt hole 13, and then connects left side casing 1 and right casing 2, and the dismouting is very convenient.

Be provided with first magnetic core 5 in the cavity that holds of left side casing 1, first magnetic core 5 includes three-section magnetic core, be provided with second magnetic core 6 in the cavity that holds of right side casing 2, second magnetic core 6 is one section magnetic core, fixedly connected with support column in the casing 1 of a left side, first connecting hole 7 has been seted up to the support column, be provided with circuit board assembly 15 on the support column, set up second connecting hole 19 with first connecting hole 7 looks adaptation on circuit board assembly 15, first connecting hole 7 and second connecting hole 19 pass through the screw connection, circuit board assembly 15 is located the top of first magnetic core 5, circuit board assembly 15 top is equipped with circuit parameter regulation potentiometre 17 and circuit board power supply output binding post 18, circuit board assembly 15 bottom is equipped with hall sensor 16, hall sensor 16 is located in the clearance at first magnetic core 5 and second magnetic core 6.

In this embodiment, a stainless steel rotation shaft 4 is provided between the left casing 1 and the right casing 2, the left casing 1 and the right casing 2 are separately provided with a first rotation shaft hole 10 and a second rotation shaft hole 11, and the stainless steel rotation shaft 4 passes through the first rotation shaft hole 10 and the second rotation shaft hole 11 to rotatably connect the left casing 1 and the right casing 2.

In this embodiment, fixedly connected with reference column 12 on the left casing 1, reference column 12 are located the side of bolt hole 13, have seted up locating hole 14 on the right casing 2, and reference column 12 can block into to locating hole 14 in. Through the cooperation of positioning column 12 and locating hole 14, ensure that left casing 1 and right casing 2 install the accuracy.

In this embodiment, left casing 1 is inside to be provided with limit for height piece 8, and limit for height piece 8 is used for guaranteeing circuit board 15 parallel mount. As shown in fig. 10, all the parts are mounted in place, and after the open-type hall large-current sensor is powered on and debugged, the magnetic core and the circuit board are encapsulated by epoxy resin glue in the left shell 1 and the right shell 2, and then are fixed.

In this embodiment, the bottom of left casing 1 is equipped with the extension board, and the extension board is equipped with a plurality of mounting holes 9, and the mounting hole includes three circular screw mounting hole and two oval screw mounting holes. The installation and connection of a user are convenient through the arrangement of the installation hole 9.

This embodiment is to the ripe system in the middle of the existing equipment, on the basis of not destroying original current loop, the space is limited, the electric current requires to provide an open-type hall heavy current sensor under the big condition, be convenient for install additional on limited space equipment or circuit, upgrade and replacement, low cost, small in size, the installation of being convenient for, can adopt the casting glue to encapsulate, insulation level is high, can be effectively waterproof, dampproofing and dustproof, the installation form direct attach in on the copper bar of too big electric current or the aluminium row return circuit optional position, occupation space is little, 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 heavy current sensor, includes left casing and right casing, its characterized in that: the left shell and the right shell are both provided with accommodating cavities, the tops of the left shell and the right shell are both open, one end of the right shell is rotatably connected with the left shell, the left shell further comprises a positioning assembly, and the other end of the right shell is fixed on the left shell through the positioning assembly;

2. The on-type hall high current sensor according to claim 1, wherein: the stainless steel shell comprises a left shell and a right shell, and is characterized in that a stainless steel rotating shaft is arranged between the left shell and the right shell, a first rotating shaft hole and a second rotating shaft hole are formed in the left shell and the right shell in a separated mode, and the stainless steel rotating shaft penetrates through the first rotating shaft hole and the second rotating shaft hole to connect the left shell and the right shell in a rotating mode.

3. The on-type hall high current sensor according to claim 2, wherein: the positioning assembly is a bolt, a through hole is formed in the right shell, a bolt hole is formed in the left shell, the bolt penetrates through the through hole to be connected with the bolt hole, and then the left shell is connected with the right shell.

4. The on-type hall high current sensor according to claim 3, wherein: fixedly connected with reference column on the casing of a left side, the reference column is located the side of bolt hole, the locating hole has been seted up on the casing of the right side, the reference column can be blocked to the locating hole in.

5. The on-type hall high current sensor according to claim 1, wherein: the left shell is internally provided with a height limiting block, and the height limiting block is used for ensuring the parallel installation of the circuit boards.

6. The on-type hall high current sensor according to claim 1, wherein: the bottom of left side casing is equipped with the extension plate, the extension plate is equipped with a plurality of mounting holes, the mounting hole includes three circular screw mounting hole and two oval screw mounting holes.