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CN107703341A - A kind of device for being used to measure busbar D.C. high-current - Google Patents

A kind of device for being used to measure busbar D.C. high-current Download PDF

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Publication number
CN107703341A
CN107703341A CN201710806490.8A CN201710806490A CN107703341A CN 107703341 A CN107703341 A CN 107703341A CN 201710806490 A CN201710806490 A CN 201710806490A CN 107703341 A CN107703341 A CN 107703341A
Authority
CN
China
Prior art keywords
current
mounting box
busbar
voltage
hall element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710806490.8A
Other languages
Chinese (zh)
Inventor
徐良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Nanhai Yishun Electrical Equipment Co Ltd
Original Assignee
Foshan Nanhai Yishun Electrical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Nanhai Yishun Electrical Equipment Co Ltd filed Critical Foshan Nanhai Yishun Electrical Equipment Co Ltd
Priority to CN201710806490.8A priority Critical patent/CN107703341A/en
Publication of CN107703341A publication Critical patent/CN107703341A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20Adaptations 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
    • G01R15/202Adaptations 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

It is specific to be used for measuring the DC current values passed through in busbar or high-frequency electrical pulses flow valuve the present invention relates to a kind of device for being used to measure busbar D.C. high-current.A kind of device for being used to measure busbar D.C. high-current, including Hall element, two ferrite magnetic stripes, circuit board, voltage-current converter circuit and mounting box;Mounting box is the hollow of open at both ends, and the both sides of mounting box are respectively equipped with a mounting hole;Two ferrite magnetic stripes are posted in the side of circuit board, a Hall element are laid at the air gap between two ferrite magnetic stripes, the pin welding of Hall element is on circuit boards;Voltage-current converter circuit is laid on circuit boards, and Hall element is connected with voltage-current converter circuit;Circuit board is gluing located at the inside of mounting box by fixation.

Description

A kind of device for being used to measure busbar D.C. high-current
Technical field
Be used to measuring the device of busbar D.C. high-current the present invention relates to a kind of, it is specific be used for measuring pass through in busbar it is straight Flow current value or high-frequency electrical pulses flow valuve.
Background technology
Existing large direct current measuring mode is mainly that traditional is sealed in current divider or busbar (for transmitting big electricity Copper bar or the aluminium row of stream) it is inserted in open loop (or closed loop) Hall sensor, when doing current measurement device with current divider, current divider It itself can consume electric energy and generate heat, when high current of the current divider by several kilo-amperes, current divider itself will consume several hectowatts Electric energy, its caused heat need to take corresponding manner to cool.In addition, busbar is inserted in using open loop (or closed loop) Hall sensor Mode, when installing open loop (or closed loop) Hall sensor, it is necessary to be dismounted in advance to busbar, and open loop at present (or is closed Ring) Hall sensor price costly.
The content of the invention
Goal of the invention:The present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the invention discloses one kind For measuring the device of busbar D.C. high-current, the device is arranged on the outside of busbar, through simple installation, so that it may realize to busbar In the D.C. high-current that passes through measure.
Technical scheme:A kind of device for being used to measure busbar D.C. high-current, including Hall element, two ferrite magnetics Bar, circuit board, voltage-current converter circuit and mounting box;
The mounting box is the hollow of open at both ends, and the both sides of the mounting box are respectively equipped with a mounting hole;
Two ferrite magnetic stripes are posted in the side of circuit board, and a Hall is laid at the air gap between two ferrite magnetic stripes Element, the pin welding of Hall element is on circuit boards;
Voltage-current converter circuit is laid on circuit boards, and Hall element is connected with voltage-current converter circuit;
The circuit board is gluing located at the inside of the mounting box by fixation.
Further, two ferrite magnetic stripe contactless types are laid staggeredly.
Beneficial effect:With it is traditional seal in current divider or busbar be inserted in open loop (or closed loop) Hall sensor compared with, The invention has the advantages that:
1st, small volume, self-heating are small negligible;
2nd, simple installation;
3rd, current measuring range is big;
4th, cost is low.
Brief description of the drawings
Fig. 1 is the schematic diagram disclosed by the invention for being used to measure the interior arrangement of the device of busbar D.C. high-current;
Fig. 2 is the schematic diagram of mounting box;
Fig. 3 is after the interior arrangement of the device disclosed by the invention for measuring busbar D.C. high-current is put into mounting box Schematic diagram;
Fig. 4 is filled after the interior arrangement of the device disclosed by the invention for measuring busbar D.C. high-current is put into mounting box Enter the schematic diagram after fixing glue;
Fig. 5 is that the device disclosed by the invention for being used to measure busbar D.C. high-current is arranged on showing on busbar to be measured It is intended to;
Fig. 6 is another signal of the interior arrangement disclosed by the invention for being used to measure the device of busbar D.C. high-current Figure;
Fig. 7 is the circuit diagram of voltage-current converter circuit
Wherein:
1- Hall element 2- ferrite magnetic stripes
3- circuit board 4- voltage-current converter circuits
5- mounting box 6- mounting holes
7- busbars
Embodiment:
The embodiment of the present invention is described in detail below.
As shown in figures 1 to 6, a kind of device for being used to measure busbar D.C. high-current, including 1, two ferrite of Hall element Magnetic stripe 2, circuit board 3, voltage-current converter circuit 4 (circuit diagram is as shown in Figure 7) and mounting box 5;
Mounting box 5 is the hollow of open at both ends, and the both sides of mounting box 5 are respectively equipped with a mounting hole 6;
Two ferrite magnetic stripes 2 are posted in the side of circuit board 3, and one is laid at the air gap between two ferrite magnetic stripes 2 Hall element 1, the pin of Hall element 1 are welded on circuit board 3;
Voltage-current converter circuit 4 is laid on circuit board 3, and Hall element 1 is connected with voltage-current converter circuit 4;
Circuit board 3 is gluing located at the inside of mounting box 5 by fixation.
Further, two contactless types of ferrite magnetic stripe 2 are laid staggeredly.
The Vcc marked in each accompanying drawing is the positive source to present apparatus power supply, and Gnd is born to the power supply of present apparatus power supply Pole, CN are that the current signal after Voltage to current transducer is carried out to hall element output voltage signal.
The operation principle of the device of the measurement busbar high frequency pulse dc high current is:When detected busbar 7 has electric current stream It is out-of-date, it will induce corresponding magnetic field in two ferrite magnetic stripes 2, the Hall element 1 in air gap has Hall voltage output, The electric current direct proportionality that the potential flows through with detected busbar 7, this signal is after amplifying and voltage current transformation is handled Exported with current signal CN.
In use, mounting box 5 by mounting hole 6 and is bolted on the D.C. high-current busbar 7 to be measured.Work as quilt When detection busbar 7 has the electric current to flow through, the Hall element in air gap has Hall voltage output, and the potential flows through with detected busbar 7 Electric current direct proportionality, this signal through amplification and voltage current transformation processing after export.
Embodiments of the present invention are elaborated above.But the present invention is not limited to above-mentioned embodiment, In art those of ordinary skill's possessed knowledge, it can also be done on the premise of present inventive concept is not departed from Go out various change.

Claims (2)

1. a kind of device for being used to measure busbar D.C. high-current, it is characterised in that including Hall element, two ferrite magnetics Bar, circuit board, voltage-current converter circuit and mounting box;
The mounting box is the hollow of open at both ends, and the both sides of the mounting box are respectively equipped with a mounting hole;
Two ferrite magnetic stripes are posted in the side of circuit board, and Hall member is laid at the air gap between two ferrite magnetic stripes Part, the pin welding of Hall element is on circuit boards;
Voltage-current converter circuit is laid on circuit boards, and Hall element is connected with voltage-current converter circuit;
The circuit board is gluing located at the inside of the mounting box by fixation.
A kind of 2. device for being used to measure busbar D.C. high-current according to claim 1, it is characterised in that two iron oxygen Body magnetic stripe contactless type is laid staggeredly.
CN201710806490.8A 2017-09-08 2017-09-08 A kind of device for being used to measure busbar D.C. high-current Pending CN107703341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710806490.8A CN107703341A (en) 2017-09-08 2017-09-08 A kind of device for being used to measure busbar D.C. high-current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710806490.8A CN107703341A (en) 2017-09-08 2017-09-08 A kind of device for being used to measure busbar D.C. high-current

Publications (1)

Publication Number Publication Date
CN107703341A true CN107703341A (en) 2018-02-16

Family

ID=61172296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710806490.8A Pending CN107703341A (en) 2017-09-08 2017-09-08 A kind of device for being used to measure busbar D.C. high-current

Country Status (1)

Country Link
CN (1) CN107703341A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108614144A (en) * 2018-05-08 2018-10-02 国网江西省电力有限公司电力科学研究院 A kind of current sensor based on automatic biasing magnetic electric compound material
CN112415251A (en) * 2020-11-04 2021-02-26 汉华智能科技(佛山)有限公司 High dynamic range alternating current/direct current isolation measurement method for measuring instrument

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0625763U (en) * 1992-08-28 1994-04-08 スタンレー電気株式会社 Current detector
US20110101958A1 (en) * 2008-07-08 2011-05-05 Naohisa Morimoto Current sensor
CN102509501A (en) * 2011-11-18 2012-06-20 华北电力大学(保定) Hall effect and magnetic field measuring experiment device
CN103134970A (en) * 2011-11-29 2013-06-05 上海汽车集团股份有限公司 Integrated hall sensors and current detection device suitable for automobile application
JP2013171013A (en) * 2012-02-23 2013-09-02 Tdk Corp Current sensor
CN203720244U (en) * 2014-02-18 2014-07-16 滨州市金诺机电科技有限公司 Hall electric current sensor
US20150309080A1 (en) * 2014-04-28 2015-10-29 Tyco Electronics Amp Korea Ltd Hybrid Current Sensor Assembly
KR20160001765A (en) * 2014-06-26 2016-01-07 순천향대학교 산학협력단 Hall sensor assembly
CN105548658A (en) * 2015-12-31 2016-05-04 深圳青铜剑科技股份有限公司 Closed-loop Hall current sensor
KR20160124332A (en) * 2015-04-17 2016-10-27 강민정 Current sensor module with integrally modularized a magnetic core and a hall sensor integrated circuit, and current sensor box for car battery with the same
CN106405211A (en) * 2016-10-18 2017-02-15 上海希形科技有限公司 PCB (Printed Circuit Board) large current detection device
CN205982389U (en) * 2016-08-04 2017-02-22 上海电科电器科技有限公司 Hall current mutual -inductor
CN106706990A (en) * 2017-02-28 2017-05-24 南京普肯传感科技有限公司 Magnetic core air gap fixing structure assembly for core passing type Hall current sensor
CN207164123U (en) * 2017-09-08 2018-03-30 佛山市南海毅顺电器设备有限公司 A kind of device for being used to measure busbar D.C. high-current

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0625763U (en) * 1992-08-28 1994-04-08 スタンレー電気株式会社 Current detector
US20110101958A1 (en) * 2008-07-08 2011-05-05 Naohisa Morimoto Current sensor
CN102509501A (en) * 2011-11-18 2012-06-20 华北电力大学(保定) Hall effect and magnetic field measuring experiment device
CN103134970A (en) * 2011-11-29 2013-06-05 上海汽车集团股份有限公司 Integrated hall sensors and current detection device suitable for automobile application
JP2013171013A (en) * 2012-02-23 2013-09-02 Tdk Corp Current sensor
CN203720244U (en) * 2014-02-18 2014-07-16 滨州市金诺机电科技有限公司 Hall electric current sensor
US20150309080A1 (en) * 2014-04-28 2015-10-29 Tyco Electronics Amp Korea Ltd Hybrid Current Sensor Assembly
KR20160001765A (en) * 2014-06-26 2016-01-07 순천향대학교 산학협력단 Hall sensor assembly
KR20160124332A (en) * 2015-04-17 2016-10-27 강민정 Current sensor module with integrally modularized a magnetic core and a hall sensor integrated circuit, and current sensor box for car battery with the same
CN105548658A (en) * 2015-12-31 2016-05-04 深圳青铜剑科技股份有限公司 Closed-loop Hall current sensor
CN205982389U (en) * 2016-08-04 2017-02-22 上海电科电器科技有限公司 Hall current mutual -inductor
CN106405211A (en) * 2016-10-18 2017-02-15 上海希形科技有限公司 PCB (Printed Circuit Board) large current detection device
CN106706990A (en) * 2017-02-28 2017-05-24 南京普肯传感科技有限公司 Magnetic core air gap fixing structure assembly for core passing type Hall current sensor
CN207164123U (en) * 2017-09-08 2018-03-30 佛山市南海毅顺电器设备有限公司 A kind of device for being used to measure busbar D.C. high-current

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108614144A (en) * 2018-05-08 2018-10-02 国网江西省电力有限公司电力科学研究院 A kind of current sensor based on automatic biasing magnetic electric compound material
CN112415251A (en) * 2020-11-04 2021-02-26 汉华智能科技(佛山)有限公司 High dynamic range alternating current/direct current isolation measurement method for measuring instrument

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Application publication date: 20180216