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 PDFInfo
- 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
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Classifications
-
- 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
-
- 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
- G01R19/0092—Arrangements 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
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.
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 (1)
| 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 |
Citations (14)
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|---|---|---|---|---|
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| 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 |
-
2017
- 2017-09-08 CN CN201710806490.8A patent/CN107703341A/en active Pending
Patent Citations (14)
| 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 (1)
| 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 |
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