CN118226115B - Voltage sensor with high voltage division and high bearing capacity - Google Patents
Voltage sensor with high voltage division and high bearing capacity Download PDFInfo
- Publication number
- CN118226115B CN118226115B CN202410650893.8A CN202410650893A CN118226115B CN 118226115 B CN118226115 B CN 118226115B CN 202410650893 A CN202410650893 A CN 202410650893A CN 118226115 B CN118226115 B CN 118226115B
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- cover body
- measuring
- disc
- conversion
- voltage sensor
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 230000006698 induction Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/16—Magnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a voltage sensor with high voltage division and high load bearing, which belongs to the technical field of voltage and current detection and comprises a mounting seat, wherein a measuring unit, a temperature control unit and a wiring display unit are arranged on the mounting seat, the measuring unit comprises a measuring cover body arranged on the mounting seat, one side of the measuring cover body is provided with a conversion cover body, the conversion cover is communicated with the measuring cover body, and a magnetic induction piece is arranged in the measuring cover body. According to the invention, the adjustable control panel in the conversion cover body is arranged, the measuring range of the voltage sensor is controlled through the control shaft, so that the Hall element with proper intensity can be selected according to different current intensities, the detection precision of the current and the voltage is kept in different ranges, the effect of protecting the Hall element is achieved, the temperature signal is converted into the electric signal through the temperature control element and is transmitted into the magnetic repulsion seat, and the adjustment protection of the Hall element connected with the adjustable control panel is realized through the magnetic force converted through the electric signal.
Description
Technical Field
The invention relates to the technical field of voltage and current detection, in particular to a voltage sensor with voltage division and high bearing capacity.
Background
The voltage sensor and the current sensor operate based on the faraday law, which indicates that the current passing through a conductor is proportional to the strength of a magnetic field around the conductor, or the hall effect, etc., and by using this principle, the current sensor can determine the magnitude of the current by measuring the generated magnetic field, measure the current using a hall element, and generate different hall voltages according to the magnitude of the current.
When the current and voltage sensor is used, when the current intensity suddenly increases, the magnetic field intensity can be increased, the temperature at the Hall sensor is increased due to the increase of the magnetic field intensity, and the sensor is burnt out, so that the Hall sensor in the current voltage sensor is often arranged in a replaceable manner, the replacement is convenient, but the cost is increased, the voltage sensor cannot be normally used during the replacement of the Hall element, and the detection of the current and the voltage is influenced.
Disclosure of Invention
The invention aims to solve the problems that when the current intensity suddenly increases in the prior art, the magnetic field intensity increases, the temperature at the Hall sensor is increased due to the increase of the magnetic field intensity, and the sensor is burnt out, so that the Hall sensor in the prior voltage sensor is often arranged in a replaceable way, thereby being convenient to replace, but causing the increase of cost, and the voltage sensor cannot be normally used and the detection of current and voltage is affected during the replacement of the Hall element.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the voltage sensor with the high voltage division load comprises a mounting seat, wherein a measuring unit, a temperature control unit and a wiring display unit are arranged on the mounting seat, the measuring unit comprises a measuring cover body arranged on the mounting seat, one side of the measuring cover body is provided with a conversion cover body, the conversion cover is communicated with the measuring cover body, and a magnetic induction piece is arranged in the measuring cover body;
An insulating upright post is arranged in the conversion cover body, an adjustable control disc is arranged on the insulating upright post, a conversion arc-shaped piece is connected to the adjustable control disc through a connecting rocker arm, two groups of Hall elements which are different and used for detecting different current intensity ranges are arranged on the conversion arc-shaped piece, an opening end is formed in the magnetic induction piece, and the Hall elements are positioned at the opening end;
The temperature control unit comprises a temperature control element which is arranged at the opening and used for detecting the temperature of the magnetic induction piece, the adjustable control disc consists of a central positioning shaft disc connected with the insulating upright post and a control ring body rotationally connected with the central positioning shaft disc, an electromagnetic ring groove is formed in the control ring body, and a damping sector disc which is positioned in the electromagnetic ring groove is fixedly connected with the outer side wall of the central positioning shaft disc;
The wiring display unit comprises a wiring terminal arranged on an insulating upright post, the other end of the wiring terminal is connected with a current following display module, the wiring terminal of the Hall element is provided with an elastic wiring metal piece, the insulating upright post is provided with a wiring line row, and the end part of the wiring line row is provided with a metal contact.
Preferably, the magnetic induction piece comprises a magnetic wire core, and a cutting coil is wound outside the magnetic wire core;
the magnetic induction piece is positioned in the measurement cover body, and the measurement cover body is provided with a detection port for the lead to penetrate.
Preferably, the insulating upright post is provided with a mounting opening, and the adjustable control panel is positioned in the mounting opening and is connected with the inner wall of the mounting opening through a rotating ring arranged on the central positioning shaft panel.
Preferably, a control knob is arranged on the conversion cover body, and the bottom of the control knob is fixedly connected with the central positioning shaft disc through a control shaft.
Preferably, the damping fan-shaped disc is positioned in the electromagnetic ring groove and is connected with the inner wall of the electromagnetic ring groove through a return spring, and a magnetic repulsion seat which is magnetically repelled with the damping fan-shaped disc is arranged on the inner wall of the electromagnetic ring groove.
Preferably, the temperature control element is connected with the magnetic repulsion seat through a time delay relay
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the measuring range of the voltage sensor is controlled through the control shaft by arranging the adjustable control panel in the conversion cover body, so that the Hall element with proper strength can be selected according to different current intensities, and the effect of protecting the Hall element is achieved while the current and voltage detection precision is maintained in different ranges.
2. The temperature control element is triggered by the temperature rise of the magnetic induction element in the current surge, the temperature control element converts a temperature signal into an electric signal and transmits the electric signal into the magnetic repulsion seat, the rotation of the Hall element connected with the adjustable control disc is controlled by converting the magnetic force through the electric signal, and the Hall element at the opening of the magnetic induction element is deviated away from a magnetic field, so that the condition that the Hall element is burnt by direct action is avoided.
Drawings
FIG. 1 is a schematic diagram of a main structure of a voltage sensor with high voltage division and high load capacity according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a voltage sensor with high voltage division and high load capacity according to the present invention;
FIG. 3 is a schematic diagram illustrating the structure of the inside of a conversion housing in a voltage sensor with high voltage division and high load capacity according to the present invention;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;
FIG. 5 is a schematic cross-sectional view of a mounting hole of a voltage sensor with high voltage division and high load capacity according to the present invention;
Fig. 6 is a schematic diagram of an electrical component distribution structure of a voltage sensor with high voltage division and high load capacity according to the present invention.
In the figure: 1. a mounting base; 2. measuring the cover body; 3. a conversion cover; 4. a magnetic induction piece; 401. a magnetic wire core; 402. cutting the coil; 5. an insulating column; 6. an adjustable control disc; 601. a center positioning shaft disc; 602. a control ring body; 7. connecting a rocker arm; 8. switching the arc-shaped piece; 9. a Hall element; 10. a temperature control element; 11. an electromagnetic ring groove; 12. damping sector plates; 13. a terminal; 14. an elastic wiring metal piece; 15. a metal contact; 16. a control knob; 17. a control shaft; 18. a magnetic repulsion seat; 19. a wiring line row; 20. and a delay relay.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
1-6, A voltage sensor with high voltage division and high load capacity comprises a mounting seat 1, wherein a measuring unit, a temperature control unit and a wiring display unit are arranged on the mounting seat 1, the measuring unit comprises a measuring cover body 2 arranged on the mounting seat 1, a conversion cover body 3 is arranged on one side of the measuring cover body 2, the conversion cover is communicated with the measuring cover body 2, and a magnetic induction piece 4 is arranged inside the measuring cover body 2;
Further, the magnetic induction member 4 includes a magnetic core 401, a cutting coil 402 is wound around the magnetic core 401, and the magnetic induction member 4 is in the prior art and will not be described in detail herein;
The magnetic sensor 4 is located in the measuring cover 2, the measuring cover 2 is provided with a detection port through which a wire passes, and the wire passes through the detection port when detecting, and the wire is detected through the detection port.
An insulating upright post 5 is arranged in the conversion cover body 3, an adjustable control disc 6 is arranged on the insulating upright post 5, further, a mounting opening is formed in the insulating upright post 5, the adjustable control disc 6 is positioned in the mounting opening, and the adjustable control disc is connected with the inner wall of the mounting opening through a rotating ring arranged on the central positioning shaft disc 601.
The adjustable control disc 6 is connected with a conversion arc-shaped piece 8 through a connecting rocker arm 7, two groups of Hall elements 9 which are different and used for detecting different current intensity ranges are arranged on the conversion arc-shaped piece 8, an open end is formed in the magnetic induction piece 4, and the Hall elements 9 are positioned at the open end;
The temperature control unit comprises a temperature control element 10 which is arranged at the opening and used for detecting the temperature of the magnetic sensing piece 4, the temperature control element 10 is connected with the magnetic repulsion seat 18 through a delay relay 20, and the temperature control element 10 is a temperature sensor or a temperature resistor and other elements;
When the current of the lead suddenly increases, the intensity of the magnetic field is increased when the intensity of the current suddenly increases, the temperature of the magnetic induction piece 4 is increased due to the increase of the intensity of the magnetic field, and the temperature control element 10 arranged at the magnetic induction piece 4 senses the temperature change and converts the temperature signal into an electric signal;
The adjustable control disc 6 consists of a central positioning shaft disc 601 connected with the insulating upright post 5 and a control ring body 602 rotationally connected with the central positioning shaft disc 601, the conversion arc-shaped piece 8 is fixedly connected with the outer side wall of the control ring body 602, an electromagnetic ring groove 11 is formed in the control ring body 602, and a damping fan-shaped disc 12 positioned in the electromagnetic ring groove 11 is fixedly connected with the outer side wall of the central positioning shaft disc 601;
Further, the damping fan-shaped disc 12 is positioned in the electromagnetic ring groove 11 and is connected with the inner wall of the electromagnetic ring groove 11 through a return spring, and a magnetic repulsion seat 18 which is magnetically repelled with the damping fan-shaped disc 12 is arranged on the inner wall of the electromagnetic ring groove 11.
It is noted that the hall element 9 is adjusted and switched to different bearing pressures according to the intensity range of the current;
Through rotating the control knob 16 that sets up on conversion cover body 3, control knob 16 can drive the control shaft 17 who is connected with it and rotate at the rotation in-process, drives adjustable control panel 6 and rotates, and the connection rocking arm 7 that is connected with adjustable control panel 6 can drive conversion arc piece 8 and rotate, realizes the switching to hall element 9 that sets up on it.
Further, a control knob 16 is arranged on the conversion cover body 3, and the bottom of the control knob 16 is fixedly connected with a central positioning shaft disc 601 through a control shaft 17.
The wiring display unit comprises a wiring terminal 13 arranged on the insulating upright post 5, the other end of the wiring terminal 13 is connected with a current following display module, the wiring terminal 13 of the Hall element 9 is provided with an elastic wiring metal piece 14, the insulating upright post 5 is provided with a wiring line row 19, and the end part of the wiring line row 19 is provided with a metal contact 15.
When the switching control device is used, the Hall elements 9 with different bearing pressures can be adjusted and switched according to the intensity range of current, and the switching control device is specifically operated in such a way that the control knob 16 arranged on the switching cover body 3 is rotated, the control knob 16 drives the control shaft 17 connected with the switching control knob 16 to rotate in the rotating process, so that the adjustable control disc 6 is driven to rotate, the connecting rocker 7 connected with the adjustable control disc 6 drives the switching arc-shaped piece 8 to rotate, the switching of the Hall elements 9 arranged on the switching control disc is realized, the switching of different Hall elements 9 are contacted with the metal contacts 15 on the wiring line row 19, the Hall elements 9 with proper intensity are selected according to different current intensities, and the accuracy of the Hall elements 9 in detecting corresponding current is ensured;
In the process of detecting the current and the voltage of the lead, when the current is suddenly increased, the intensity of the magnetic field is increased when the intensity of the current is suddenly increased, the temperature of the magnetic induction piece 4 is increased due to the increase of the intensity of the magnetic field, the temperature control element 10 arranged at the magnetic induction piece 4 senses the temperature change and converts a temperature signal into an electric signal, the electric signal is transmitted to the magnetic repulsion seat 18 after being acted by the delay relay 20, at the moment, the magnetic repulsion seat 18 is electrified to generate magnetic force, the magnetic force acts on the damping fan-shaped disc 12 which is magnetically repelled with the magnetic repulsion seat, and further the damping fan-shaped disc 12 generates thrust, so that the control ring 602 is rotated, the conversion arc-shaped piece 8 which is connected with the control ring 602 through the connecting rocker arm 7 is rotated, and the Hall element 9 at the opening of the magnetic induction piece 4 is deviated away from the magnetic field, so that the situation that the Hall element 9 is burnt by direct action is avoided;
When current fluctuation dissipates, the delay relay 20 can delay power off, after power off, the magnetic repulsion seat 18 lacks electricity and loses magnetism, the damping fan-shaped disc 12 can reset under the action of a reset spring, and then the Hall element 9 which is originally far away from the opening can move to the opening again for accurately detecting the current and voltage.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The voltage sensor with the high partial pressure load capacity comprises a mounting seat (1), and is characterized in that a measuring unit, a temperature control unit and a wiring display unit are arranged on the mounting seat (1), the measuring unit comprises a measuring cover body (2) arranged on the mounting seat (1), a conversion cover body (3) is arranged on one side of the measuring cover body (2), the conversion cover body (3) is communicated with the measuring cover body (2), and a magnetic induction piece (4) is arranged inside the measuring cover body (2);
An insulating upright post (5) is arranged in the conversion cover body (3), an adjustable control panel (6) is arranged on the insulating upright post (5), a conversion arc-shaped piece (8) is connected to the adjustable control panel (6) through a connecting rocker arm (7), two groups of Hall elements (9) which are different in detection for different current intensity ranges are arranged on the conversion arc-shaped piece (8), an opening end is formed in the magnetic induction piece (4), and the Hall elements (9) are positioned at the opening end;
The temperature control unit comprises a temperature control element (10) which is arranged at an opening and used for detecting the temperature of a magnetic induction piece (4), the adjustable control disc (6) is composed of a central positioning shaft disc (601) connected with an insulating upright post (5) and a control ring body (602) rotationally connected with the central positioning shaft disc (601), the conversion arc piece (8) is fixedly connected with the outer side wall of the control ring body (602), an electromagnetic ring groove (11) is formed in the control ring body (602), and a damping sector disc (12) which is positioned in the electromagnetic ring groove (11) is fixedly connected with the outer side wall of the central positioning shaft disc (601);
The wiring display unit comprises a wiring terminal (13) arranged on an insulating upright post (5), the other end of the wiring terminal (13) is connected with a current following display module, the wiring terminal (13) of the Hall element (9) is provided with an elastic wiring metal piece (14), the insulating upright post (5) is provided with a wiring line row (19), and the end part of the wiring line row (19) is provided with a metal contact (15).
2. A voltage sensor with high voltage division load according to claim 1, characterized in that the magnetic induction element (4) comprises a magnetic wire core (401), the magnetic wire core (401) being externally wound with a cutting coil (402);
the magnetic induction piece (4) is positioned in the measurement cover body (2), and the measurement cover body (2) is provided with a detection port for the lead to penetrate.
3. The voltage sensor with high voltage division and bearing according to claim 2, wherein the insulating upright post (5) is provided with a mounting opening, the adjustable control panel (6) is positioned in the mounting opening, and is connected with the inner wall of the mounting opening through a rotating ring arranged on the central positioning shaft panel (601).
4. A voltage sensor with high voltage division and bearing according to claim 3, characterized in that a control knob (16) is arranged on the conversion cover body (3), and the bottom of the control knob (16) is fixedly connected with a central positioning shaft disc (601) through a control shaft (17).
5. The voltage sensor with high voltage division and high bearing capacity according to claim 4, wherein the damping fan-shaped disc (12) is positioned in the electromagnetic ring groove (11) and is connected with the inner wall of the electromagnetic ring groove (11) through a return spring, and a magnetic repulsion seat (18) which is magnetically repelled with the damping fan-shaped disc (12) is arranged on the inner wall of the electromagnetic ring groove (11).
6. The voltage sensor with high voltage division and high load bearing according to claim 5, wherein the temperature control element (10) is connected with the magnetic repulsion base (18) through a delay relay (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410650893.8A CN118226115B (en) | 2024-05-24 | 2024-05-24 | Voltage sensor with high voltage division and high bearing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410650893.8A CN118226115B (en) | 2024-05-24 | 2024-05-24 | Voltage sensor with high voltage division and high bearing capacity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118226115A CN118226115A (en) | 2024-06-21 |
| CN118226115B true CN118226115B (en) | 2024-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410650893.8A Active CN118226115B (en) | 2024-05-24 | 2024-05-24 | Voltage sensor with high voltage division and high bearing capacity |
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| Country | Link |
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| CN (1) | CN118226115B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884377A (en) * | 2019-03-05 | 2019-06-14 | 常州索维尔电子科技有限公司 | The hall signal measuring device and method of detection range automatic adjustment |
| CN111600622A (en) * | 2020-03-30 | 2020-08-28 | 成都理工大学 | Underground Magnetic Signal Receiving Device and Receiving Method Based on Hall Effect |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5512561B2 (en) * | 2011-01-19 | 2014-06-04 | 旭化成エレクトロニクス株式会社 | Hall voltage detector |
| CN203551757U (en) * | 2013-10-18 | 2014-04-16 | 黄河科技学院 | Experimental device used for measuring solenoid axis magnetic induction intensity by adopting Hall effect method |
| CN209432891U (en) * | 2018-12-10 | 2019-09-24 | 南京新捷中旭微电子有限公司 | A kind of multrirange Hall current sensor |
| EP3885779B1 (en) * | 2020-03-23 | 2024-01-17 | Melexis Technologies SA | Devices and methods for measuring a magnetic field gradient |
| DE102022114766B3 (en) * | 2022-06-13 | 2023-11-30 | Tdk-Micronas Gmbh | Chopped Hall sensor and method for measuring at least one Hall voltage |
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2024
- 2024-05-24 CN CN202410650893.8A patent/CN118226115B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884377A (en) * | 2019-03-05 | 2019-06-14 | 常州索维尔电子科技有限公司 | The hall signal measuring device and method of detection range automatic adjustment |
| CN111600622A (en) * | 2020-03-30 | 2020-08-28 | 成都理工大学 | Underground Magnetic Signal Receiving Device and Receiving Method Based on Hall Effect |
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| Publication number | Publication date |
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| CN118226115A (en) | 2024-06-21 |
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