阅读说明：本技术 一种电流检测固定磁环的设备 (Equipment for fixing magnetic ring through current detection ) 是由 曹锋利 杨汉全 樊东 于 2020-05-20 设计创作，主要内容包括：本发明提供一种电流检测固定磁环的设备,包括：第一组件和第二组件,第一组件包括驱动控制板、绝缘卡套、霍尔传感器和磁环,绝缘卡套包括圆环型底座和圆环型卡套,圆环型底座上设置有开口,开口处两端向上均设置有挡块,磁环设置有缺口,磁环套设于圆环型卡套外,霍尔传感器与驱动控制板焊接；第二组件包括散热底座和相线导电柱,多个相线导电柱固定于散热底座上。如上所述,本发明的一种电流检测固定磁环的设备,解决现有技术中与霍尔传感器对称问题、磁环通过绝缘胶带缠绕整个部件来实现绝缘,磁环内圈不能有一点点的裸露,难度大的问题和用硅胶固定,硅胶表固时间长的问题。(The invention provides a device for fixing a magnetic ring in current detection, which comprises: the first assembly comprises a driving control panel, an insulation cutting sleeve, a Hall sensor and a magnetic ring, the insulation cutting sleeve comprises a circular ring-shaped base and a circular ring-shaped cutting sleeve, an opening is formed in the circular ring-shaped base, two ends of the opening are upwards provided with stop blocks, the magnetic ring is provided with a notch, the magnetic ring is sleeved outside the circular ring-shaped cutting sleeve, and the Hall sensor is welded with the driving control panel; the second subassembly is led electrical pillar including heat dissipation base and phase line, and a plurality of phase lines are led electrical pillar and are fixed in on the heat dissipation base. As described above, the device for fixing the magnetic ring for current detection of the present invention solves the problems of symmetry with the hall sensor, insulation of the magnetic ring by winding the whole component with the insulating tape, no slight exposure of the inner ring of the magnetic ring, and great difficulty in the prior art, and the problems of fixation with silica gel and long silica gel surface fixation time.)

1. An apparatus for fixing a magnetic ring for current detection, comprising: a first assembly and a second assembly, wherein the first assembly and the second assembly are provided with a first connecting rod and a second connecting rod,

the first assembly comprises a driving control plate, an insulating cutting sleeve, a Hall sensor and a magnetic ring, the insulating cutting sleeve comprises an annular base and an annular cutting sleeve arranged on the annular base, an opening is formed in the annular base, two ends of the opening are upwards provided with stop blocks, the annular bases are fixed on the driving control plate, the driving control plate is provided with a through hole corresponding to the annular base, the magnetic ring is provided with a notch, the magnetic ring is sleeved outside the annular cutting sleeve, the inner side wall of the magnetic ring is in contact with the outer side wall of the annular cutting sleeve, the notch of the magnetic ring is in contact with the stop blocks, the Hall sensor is welded with the driving control plate, and the Hall sensor is positioned between the two stop blocks;

the second subassembly is led electrical pillar including heat dissipation base and phase line, and is a plurality of the phase line is led electrical pillar and is fixed in on the heat dissipation base, the phase line is led electrical pillar and is run through ring type cutting ferrule, the heat dissipation base with drive control board fixed connection.

2. The apparatus as claimed in claim 1, wherein the driving control board is fixedly connected to the heat dissipation base via a bolt.

3. The apparatus as claimed in claim 1, wherein the insulating sleeve is made of plastic.

Technical Field

The invention relates to the technical field of current detection, in particular to a device for fixing a magnetic ring in current detection.

Background

In the prior art, a magnetic ring is insulated by winding the whole part with an insulating tape; the Hall sensor is fixed on the driving control board by welding; the magnetic ring is sleeved on the phase line conductive column, is attached to the drive control board under the condition of avoiding the Hall sensor, ensures that the gap of the magnetic ring is symmetrical to the Hall sensor through visual observation, and then fixes the magnetic ring and the drive control board into a whole by using silica gel to drive the drive control board to check the phase line current.

1. In the process of detecting current by a phase line, the Hall sensor and the magnetic ring are asymmetric, the difference between a gap from the front side of the Hall sensor to the magnetic ring and a gap from the back side of the Hall sensor to the magnetic ring is large, current data acquisition is influenced, the consistency of current feedback signals detected by each set of driving system is inconsistent, and the whole set of driving control system is influenced.

2. The magnetic ring is insulated by winding the whole part by the insulating adhesive tape, the inner ring of the magnetic ring cannot be exposed a little, the difficulty is high, the wall thickness of the whole winding circle is consistent, the yield is low, and the labor cost is high;

3. the phase line current detection device is fixed by silica gel, the surface fixing time of the silica gel is long, the waiting waste of batch production is caused, the labor cost is increased, and the phase line current detection device is complex in system structure and high in cost.

Disclosure of Invention

In view of the above disadvantages of the prior art, an object of the present invention is to provide a device for fixing a magnetic ring in current detection, which is used to solve the problems of asymmetry between a hall sensor and the magnetic ring, high insulation difficulty of the magnetic ring, long silica gel fixing time, and waste of waiting in batch production in the prior art.

To achieve the above and other related objects, the present invention provides an apparatus for current detection to fix a magnetic ring, comprising: a first assembly and a second assembly, wherein the first assembly and the second assembly are provided with a first connecting rod and a second connecting rod,

the first assembly comprises a driving control plate, an insulating cutting sleeve, a Hall sensor and a magnetic ring, the insulating cutting sleeve comprises an annular base and an annular cutting sleeve arranged on the annular base, an opening is formed in the annular base, two ends of the opening are upwards provided with stop blocks, the annular bases are fixed on the driving control plate, the driving control plate is provided with a through hole corresponding to the annular base, the magnetic ring is provided with a notch, the magnetic ring is sleeved outside the annular cutting sleeve, the inner side wall of the magnetic ring is in contact with the outer side wall of the annular cutting sleeve, the notch of the magnetic ring is in contact with the stop blocks, the Hall sensor is welded with the driving control plate, and the Hall sensor is positioned between the two stop blocks;

the second subassembly is led electrical pillar including heat dissipation base and phase line, and is a plurality of the phase line is led electrical pillar and is fixed in on the heat dissipation base, the phase line is led electrical pillar and is run through ring type cutting ferrule, the heat dissipation base with drive control board fixed connection.

As a preferred technical scheme, the driving control board is fixedly connected with the heat dissipation base through a bolt.

As a preferred technical scheme, the insulating clamping sleeve is made of plastic.

As described above, according to the apparatus for fixing the magnetic ring for current detection of the present invention, the magnetic ring is sleeved outside the annular sleeve of the insulating sleeve, the magnetic ring is isolated and insulated from other devices by the insulating sleeve, the annular base is provided with the opening, the two ends of the opening are both upward provided with the stoppers, the hall sensor is placed in the stopper, that is, the hall sensor is placed at the gap of the magnetic ring, and the distance between the gap from the front of the hall sensor to the magnetic ring and the distance between the back of the hall sensor to the gap of the magnetic ring are not greatly different by the stoppers.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic ring in a device for fixing a magnetic ring for current detection disclosed in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an insulation card sleeve in an apparatus for fixing a magnetic ring for current detection disclosed in an embodiment of the present invention;

fig. 3 is a top view of an insulation sleeve in an apparatus for fixing a magnetic ring for current detection according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a hall sensor in a device for detecting a fixed magnetic ring according to an embodiment of the present invention;

fig. 5 is a diagram illustrating a state where an insulating sleeve is fitted to a hall sensor in the apparatus for fixing a magnetic ring for current detection disclosed in the embodiment of the present invention;

fig. 6 is a diagram showing a state of the cooperation of the insulating sleeve, the hall sensor and the magnetic ring in the apparatus for fixing the magnetic ring for current detection disclosed in the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a driving control board in an apparatus for fixing a magnetic ring for current detection according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a second component of the apparatus for fixing a magnetic ring for current detection disclosed in the embodiments of the present invention;

FIG. 9 is a schematic diagram illustrating an overall structure of an apparatus for fixing a magnetic ring for current detection according to an embodiment of the present invention;

wherein the reference numerals are specified as follows: 1. a magnetic ring; 2. an insulating card sleeve; 3. a drive control board; 4. a Hall sensor; 5. a ring-shaped ferrule; 6. a circular ring type base; 7. a stopper; 8. a convex column; 9. a heat dissipation base; 10. and the phase line conducting column.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 9. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a device for fixing a magnetic ring in current detection, including: the first component comprises a driving control panel 3, an insulating cutting sleeve 2, a Hall sensor 4 and a magnetic ring 1, the insulating cutting sleeve 2 comprises a ring-shaped base 6 and a ring-shaped cutting sleeve 5 arranged on the ring-shaped base 6, an opening is arranged on the ring-shaped base 6, two ends of the opening are upwards provided with a stop dog 7, a plurality of ring-shaped bases 6 are fixed on the driving control panel 3, four convex columns 8 are uniformly arranged under the ring-shaped base 6, the driving control panel 3 is provided with mounting holes corresponding to the convex columns 8, the convex columns 8 penetrate through the mounting holes, the parts of the convex columns 8 penetrating through the mounting holes are flattened by a soldering iron, so that the ring-shaped base 6 is fixedly connected with the driving control panel 3, the driving control panel 3 is provided with through holes corresponding to the ring-shaped base 6, the magnetic ring 1 is provided with a gap, the magnetic ring 1 is sleeved outside the ring-shaped cutting sleeve 5, the inner side wall of the cutting sleeve 1 is contacted with the outer side wall of the ring-shaped cutting sleeve 5, the gap of the magnetic ring 1 is in contact with the stop blocks 7, the Hall sensor 4 is welded with the driving control board 3, and the Hall sensor 4 is positioned between the two stop blocks;

the second subassembly leads electrical pillar 10 including heat dissipation base 9 and phase line, and a plurality of phase lines are led electrical pillar 10 and are fixed in on heat dissipation base 9, and phase line is led electrical pillar 10 and is run through ring type cutting ferrule 5, heat dissipation base 9 and drive control board 3 fixed connection.

According to the current detection magnetic ring fixing device provided by the embodiment, the driving control board 3 is fixedly connected with the heat dissipation base 9 through bolts.

In the current detection magnetic ring fixing device provided by this embodiment, the insulating sleeve 2 is made of plastic.

In a specific use: the magnetic ring 1 is sleeved outside the annular clamping sleeve 5 of the insulating clamping sleeve 2, the magnetic ring 1 is isolated and insulated from other devices through the insulating clamping sleeve 2, an opening is formed in the annular base 6, two ends of the opening are upwards provided with the stop blocks 7, the Hall sensors 4 are placed in the stop blocks 7, namely the Hall sensors 4 are placed at the notches of the magnetic ring 1, through the stop blocks 7, the distance between the front sides of the Hall sensors 4 and the notches of the magnetic ring 1 and the back sides of the Hall sensors 4 and the notches of the magnetic ring 1 is not large, then the phase wire conductive columns 10 in the second assembly penetrate through the annular clamping sleeve 5 of the insulating clamping sleeve 2, the heat dissipation base 9 in the second assembly and the driving control board 3 in the first assembly are fixedly connected through the conductive columns through bolts, namely the phase wires 10 are located in the center of the magnetic ring 1.

In summary, according to the device for fixing the magnetic ring for current detection, the insulating adhesive tape in the prior art is replaced by the insulating sleeve 2, so that the problem that the inner ring of the magnetic ring 1 is exposed due to the use of the insulating adhesive tape is avoided, the magnetic ring 1 is fixed on the drive control board 3 through the insulating sleeve 2, the original silica gel is replaced by the insulating sleeve 2 for fixation, the problems of long silica gel fixation time and waste of batch production waiting are solved, the distance between the gap from the front side of the hall sensor 4 to the magnetic ring 1 and the distance between the back side of the hall sensor 4 to the gap of the magnetic ring 1 are not greatly different by arranging the stop 7, the problem that the current data collection is influenced due to the fact that the difference between the gap from the front side of the hall sensor 4 to the magnetic ring 1 and the gap from the back side of the hall sensor 4 to the magnetic ring 1 is large in the prior art is solved, and the device is reasonable in design and is suitable for production, popularization and application. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.