CN217385632U

CN217385632U - Novel current sensor structure

Info

Publication number: CN217385632U
Application number: CN202220990283.9U
Authority: CN
Inventors: 丁永良; 董舫; 田新良; 付伟; 万舟阳
Original assignee: Shenzhen Hangzhi Precision Electronics Co ltd
Current assignee: Shenzhen Hangzhi Precision Electronics Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-06
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a novel current sensor structure, include: the bottom side of the upper cover is connected with the bottom shell, the internal connection of the upper cover is provided with a current measuring needle, the upper surface of the upper cover is connected with an output terminal, the internal mounting of the bottom shell is provided with a sensor coil probe, one side of the inner wall of the bottom shell is provided with a control panel, the upper surface of the upper cover is provided with a ventilation groove, the inner wall of the ventilation groove is connected with an internal thread pipe, and the interior of the ventilation groove is provided with a dust screen. This novel current sensor structure, through mutually supporting between upper cover, drain pan, current measurement needle, output terminal, sensor coil probe and the control panel, reach current sensor's simple structure's effect, and can increase current sensor detection current's numerical value, can increase current sensor's precision simultaneously, through setting up the dust screen, can prevent that the dust from getting into current sensor's inside, avoid causing the function of equipment to receive the influence.

Description

Novel current sensor structure

Technical Field

The utility model relates to a current sensor technical field specifically is a novel current sensor structure.

Background

The current sensor is a detection device, can sense the information of the current to be detected, can convert the sensed information into an electric signal meeting certain standard requirements or information in other required forms to be output according to a certain rule, meets the requirements of information transmission, processing, storage, display, recording, control and the like, can be used for household appliances, smart grids, electric vehicles, wind power generation and the like, and is used for a plurality of magnetic sensors in our life, such as computer hard disks, compasses, household appliances and the like.

This prior art solution also presents the following problems when in use:

such a conventional current sensor also has the following problems in use: the existing current sensors can only measure small current which can not reach 300A, and the precision is generally low due to the structural limitation;

improvements are needed to address the above issues to meet market demands.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel current sensor structure to current sensor who proposes in solving above-mentioned background art can only survey the undercurrent, can not reach 300A, and because the restriction of structure, the general problem on the low side of precision.

In order to achieve the above object, the utility model provides a following technical scheme: a novel current sensor structure comprising: the bottom side of the upper cover is connected with the bottom shell, the inner portion of the upper cover is connected with a current measuring needle, the upper surface of the upper cover is connected with an output terminal, a sensor coil probe is mounted inside the bottom shell, and a control panel is mounted on one side of the inner wall of the bottom shell.

Preferably, the upper surface of the upper cover is connected with eight current measuring needles, the current measuring needles are 90 degrees to the upper surface of the upper cover, the output terminals are 90 degrees to the upper surface of the upper cover, and the whole sensor coil probe is annular.

Preferably, the upper surface of upper cover has seted up the ventilation groove, the inner wall in ventilation groove is connected with the internal thread pipe, the inside in ventilation groove is provided with the dust screen, the bottom side of dust screen is connected with the rubber pad.

Preferably, the internal thread pipe has a threaded external pipe inside through, the surface of threaded external pipe is connected with the turning block, the rubber pad is the ring form, be threaded connection between threaded external pipe and the internal thread pipe, structure as an organic whole between threaded external pipe and the turning block.

Compared with the prior art, the beneficial effects of the utility model are that:

to sum up, through mutually supporting between upper cover, drain pan, current measurement needle, output terminal, the sensor coil probe and the control panel, reach current sensor's simple structure's effect, and can increase current sensor detection current's numerical value, can increase current sensor's precision simultaneously, through setting up the dust screen, can prevent that the dust from getting into current sensor's inside, avoid causing the function of equipment to receive the influence.

Drawings

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

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is a schematic view of the rear view cross-sectional structure of the present invention;

fig. 6 is a schematic view of the structure at a position a of the present invention.

In the figure: 1. an upper cover; 2. a bottom case; 3. a current measuring pin; 4. an output terminal; 5. a sensor coil probe; 6. a control panel; 7. a ventilation slot; 8. an internally threaded tube; 9. a dust screen; 10. a rubber pad; 11. An externally threaded tube; 12. and (6) rotating the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a novel current sensor structure comprising: upper cover 1 and drain pan 2, the bottom side of upper cover 1 is connected with drain pan 2, the internal connection of upper cover 1 has current measurement needle 3, the upper surface of upper cover 1 is connected with output terminal 4, the internally mounted of drain pan 2 has sensor coil probe 5, control panel 6 is installed to inner wall one side of drain pan 2, the upper surface of upper cover 1 is connected with eight current measurement needles 3, be 90 between current measurement needle 3 and the upper surface of upper cover 1, be 90 between output terminal 4 and the upper surface of upper cover 1, sensor coil probe 5 wholly is the ring form, upper cover 1 and drain pan 2 constitute a whole, can protect inside components and parts through upper cover 1 and drain pan 2 like this.

Referring to fig. 5 and 6, a ventilation groove 7 is formed in the upper surface of the upper cover 1, an internal threaded pipe 8 is connected to the inner wall of the ventilation groove 7, a dust screen 9 is arranged inside the ventilation groove 7, a rubber pad 10 is connected to the bottom side of the dust screen 9, and the dust screen 9 is installed inside the ventilation groove 7 to prevent dust from entering the current sensor.

Referring to fig. 5 and 6, an external threaded pipe 11 penetrates through the internal threaded pipe 8, a rotating block 12 is connected to the outer surface of the external threaded pipe 11, a rubber gasket 10 is annular, the external threaded pipe 11 and the internal threaded pipe 8 are in threaded connection, the external threaded pipe 11 and the rotating block 12 are integrated, and the rubber gasket 10 seals between the dust screen 9 and the ventilation groove 7.

The working principle is as follows: as shown in figures 1-6, when using the novel current sensor structure, firstly, the device adopts a pre-embedded tested current line structure, the tested current line is integrated with the shell structure in advance, the line of the sensor coil probe 5 adopts a plurality of strands of weldable large-current copper wires, the whole structure can be directly welded on a test sampling PCB, the tested current copper wires of the sensor coil probe 5 become thick, and the structural design of the high-precision current sensor is combined, thereby not only ensuring the requirement of high-precision test on the structure, but also increasing the value of the tested circuit, firstly, the dustproof net 9 is placed in the ventilation slot 7, when the bottom of the external thread pipe 11 moves to the top position of the internal thread pipe 8, the rotating block 12 can be rotated to drive the external thread pipe 11 to rotate, the external thread pipe 11 can move downwards while rotating in the internal thread pipe 8, when the external thread pipe 11 moves to the surface position of the dustproof net 9, the dustproof net 9 can be extruded, the dustproof net 9 is squeezed to drive the rubber pad 10 to move to the side wall of the ventilation groove 7, so that the dustproof net 9 is fixed in position, dust is prevented from entering the device when the device is used, and the novel current sensor structure is characterized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel current sensor structure comprising: the device comprises an upper cover (1) and a bottom shell (2), and is characterized in that the bottom side of the upper cover (1) is connected with the bottom shell (2), the inside of the upper cover (1) is connected with a current measuring needle (3), the upper surface of the upper cover (1) is connected with an output terminal (4), the inside of the bottom shell (2) is provided with a sensor coil probe (5), and one side of the inner wall of the bottom shell (2) is provided with a control panel (6).

2. The novel current sensor structure of claim 1, wherein: the upper surface of the upper cover (1) is connected with eight current measuring needles (3), and the current measuring needles (3) and the upper surface of the upper cover (1) are 90 degrees.

3. The novel current sensor structure of claim 1, wherein: the angle between the output terminal (4) and the upper surface of the upper cover (1) is 90 degrees, and the whole sensor coil probe (5) is annular.

4. The novel current sensor structure of claim 1, wherein: the upper surface of upper cover (1) has seted up ventilation groove (7), the inner wall in ventilation groove (7) is connected with internal thread pipe (8).

5. The novel current sensor structure of claim 4, wherein: the inside of ventilation groove (7) is provided with dust screen (9), the bottom side of dust screen (9) is connected with rubber pad (10).

6. The novel current sensor structure of claim 5, wherein: an external threaded pipe (11) penetrates through the inner part of the internal threaded pipe (8), and the outer surface of the external threaded pipe (11) is connected with a rotating block (12).

7. The novel current sensor structure of claim 6, wherein: the rubber pad (10) is in a circular ring shape, the external threaded pipe (11) is in threaded connection with the internal threaded pipe (8), and the external threaded pipe (11) and the rotating block (12) are of an integrated structure.