CN201145706Y - Hall current sensor - Google Patents
Hall current sensor Download PDFInfo
- Publication number
- CN201145706Y CN201145706Y CNU2008200022617U CN200820002261U CN201145706Y CN 201145706 Y CN201145706 Y CN 201145706Y CN U2008200022617 U CNU2008200022617 U CN U2008200022617U CN 200820002261 U CN200820002261 U CN 200820002261U CN 201145706 Y CN201145706 Y CN 201145706Y
- Authority
- CN
- China
- Prior art keywords
- ring
- insulation shell
- current sensor
- madial wall
- hall current
- 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.)
- Expired - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 47
- 238000012360 testing method Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model provides a Hall current sensor, comprising an annular insulating housing, an annular iron core with a gap, a Hall device, a circuit board provided with a detecting circuit and a shield ring, wherein, the annular space of the insulating housing is used for a measured conducting wire to pass through; the annular iron core is encapsulated inside the insulating housing, and the annular inner side wall of the insulating housing encloses the inner side wall of the annular iron core; the Hall device is arranged at the gap of the annular iron core; the circuit board is in electric connection with the Hall device; and the shield ring is encapsulated inside the insulating housing and is positioned inside the annular inner side wall of the annular iron core as well as encloses the annular inner side wall of the insulating housing. The Hall current sensor has good anti-interfering effect and simple and convenient installation.
Description
Technical field
The utility model relates to the measuring element of electric variable, relates in particular to a kind of Hall current sensor that is used for current measurement.
Background technology
The measurement of electric current in the electric system, a kind of mode of routine are to adopt Hall current sensor.This Hall current sensor mainly comprises: the insulation shell of ring-type, and the space wears for tested lead in its ring; The ring-shaped core that has air-gap, it is encapsulated in the ring madial wall that insulation shell ring madial wall interior and this ring-shaped core surrounds this insulation shell; Circuit board and hall device, hall device are placed in the air-gap unshakable in one's determination and are fixed on the circuit board.Yet, disturb owing to the electric current of the tested lead of flowing through can be subjected to the influence of load and external environment factor to produce electric fields such as noise and static, thereby make respective detection circuit on the circuit board be disturbed and cause current measurement value deviation to occur.In order to reduce the influence that this interference causes, common way is: tested lead and ring-shaped core are kept uniformly at interval, just make to keep between the ring madial wall outer rim of tested lead and insulation shell uniformly at interval, the mode that adopts site operation is also arranged at bare wire higher slice ground winding insulation course and screen layer, again with on the opening sleeve of Hall current sensor.These ways, not only installing wastes time and energy but also the not assurance of anti-interference effect.
The utility model content
The purpose of this utility model is to propose a kind of Hall current sensor, anti-interference effective and simple installation.
To achieve these goals, the utility model provides a kind of Hall current sensor, comprises the insulation shell of ring-type, and the space wears for tested lead in the ring of this insulation shell; The ring-shaped core that has the space, its ring madial wall that is encapsulated in this insulation shell inside and this ring-shaped core surrounds the ring madial wall of this insulation shell; Hall device, the gap that it is positioned at this insulation shell inside and is arranged at this ring-shaped core; Be loaded with the circuit board of testing circuit, it is electrically connected with this hall device; And being encapsulated in the interior shading ring of this insulation shell, this shading ring is positioned at the ring madial wall inboard of this ring-shaped core and surrounds the ring madial wall of this insulation shell.
This shading ring can be erected between the ring madial wall of the ring madial wall of this insulation shell and this ring-shaped core.This shading ring can be arranged on the ring madial wall of the ring madial wall of this insulation shell or this ring-shaped core.For example, this shading ring is that non magnetic conductive material is wrapped on the ring madial wall of the ring madial wall of this insulation shell or this ring-shaped core.Perhaps, this shading ring is that non magnetic conductive material is plated on the ring madial wall of the ring madial wall of this insulation shell or this ring-shaped core.This shading ring is chip architecture or the reticulate texture of being made by nonmagnetic conductive material.
Can also be packaged with compensating coil in this insulation shell, it is sheathed on this iron core and with this circuit board and is electrically connected.Can also be packaged with ground wire in this insulation shell, the one end links to each other with this shading ring, its other end ground connection.Can be equipped with connector on this insulation shell, this connector is electrically connected with this circuit board.This connector comprises a ground terminal, this other end of this ground wire by this ground terminal with this shading ring ground connection.This Hall current sensor also comprises: stretch out in the cable of this insulation shell, an end of this cable is electrically connected with this circuit board, and the other end is in order to connect external circuit.
Compared with prior art, Hall current sensor of the present utility model, anti-interference effective and simple installation.
Description of drawings
Fig. 1 is a Hall current sensor principle of work synoptic diagram of the present utility model;
Fig. 2 is the visual angle synoptic diagram of Hall current sensor embodiment of the present utility model;
Fig. 3 is another visual angle synoptic diagram of Hall current sensor embodiment of the present utility model;
Fig. 4 is the inner structure synoptic diagram of Hall current sensor embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is given elaboration further.
The principle of work of Hall current sensor embodiment of the present utility model, as shown in Figure 1, be at tested lead 100 and have between the ring-shaped core 17 in space 171 shading ring 18 is set, at some application scenarios, can also shading ring 18 be given ground connection processing by the ground wire 19 that links to each other with this shading ring 18.
The embodiment of Hall current sensor 1 of the present utility model, as shown in Figures 2 and 3, comprise: the insulation shell 11 of ring-type, space 12 can wear for tested lead in the ring that its ring madial wall 121 forms, also be equipped with reference column 13 and installation portion 14 on this insulation shell 11, establish mounting hole 15 on this installation portion 14, thereby this Hall current sensor 1 can be installed to by the securing member that is arranged in this mounting hole 15 on the relevant devices; The ring-shaped core 17 that has space 171 radially, its ring madial wall that is encapsulated in these insulation shell 11 inside and this ring-shaped core 17 surrounds the ring madial wall 121 of this insulation shell 11; Shading ring 18; Hall device (not shown), this hall device are positioned at these insulation shell 11 inside and are arranged at 171 places, space of ring-shaped core 17; Be loaded with the circuit board (not shown) of testing circuit, the pipe leg of this hall device then is electrically connected with this testing circuit.This testing circuit can link to each other with external circuit by the connector 16 that is based on this insulation shell 11, certainly, also can be directly to draw cable to link to each other with external circuit.And for the situation that is provided with ground wire 19, this ground wire 19 can directly be drawn ground connection, or by being electrically connected with ground terminal 161 on the connector 16 with shading ring 18 ground connection.
As shown in Figure 4, in the embodiment of Hall current sensor 1 of the present utility model, shading ring 18 is to be packaged in this insulation shell 11 and to be positioned at the ring madial wall of this ring-shaped core 17 inboard and surround the ring madial wall 121 of this insulation shell 11.
Obviously, the locator meams of shading ring 18 in this insulation shell 11 can be varied, such as: be wrapped on the ring madial wall 121 of this insulation shell 11, or be wrapped on the ring madial wall 172 of ring-shaped core 17; Again such as: spraying plating is on the ring madial wall 121 of this insulation shell 11, or spraying plating is on the ring madial wall 172 of ring-shaped core 17; For another example: adopt fixed support, and be set up between the ring madial wall 172 of the ring madial wall 121 of this insulation shell 11 and ring-shaped core 17.
The structures of shading ring 18 itself both can be for example paper tinsels of complete chip architecture, also can be reticulate textures, can also be the coats of metal; Its material is nonmagnetic, conductive material, is preferably copper.
In addition, in the embodiment of Hall current sensor 1 of the present utility model, except the Hall detection system of above-mentioned open loop type, also can be on ring-shaped core 17 sheathed compensating coil (figure does not show) constitute the Hall detection system of closed loop to match with hall device and testing circuit.
Because hall device in the present embodiment and testing circuit all belong to existing known technology, for example, hall device can be selected THS119 for use, so the detail circuits structure does not repeat them here.
Foregoing; it only is preferred embodiment of the present utility model; be not to be used to limit embodiment of the present utility model; those of ordinary skills are according to main design of the present utility model and spirit; protection domain of the present utility model can carry out corresponding flexible or modification very easily, so should be as the criterion with the desired protection domain of claims.
Claims (10)
1. Hall current sensor comprises: the space wears for tested lead in the insulation shell of ring-type, the ring of this insulation shell; The ring-shaped core that on ring, has radial gap, the ring madial wall that is encapsulated in this insulation shell inside and this ring-shaped core surrounds the ring madial wall of this insulation shell; Hall device, the gap that it is positioned at this insulation shell inside and is arranged at this ring-shaped core; And, being loaded with the circuit board of testing circuit, it is electrically connected with this hall device; It is characterized in that: this Hall current sensor also comprises the shading ring that is encapsulated in this insulation shell, and this shading ring is positioned at the ring madial wall inboard of this ring-shaped core and surrounds the ring madial wall of this insulation shell.
2. Hall current sensor as claimed in claim 1 is characterized in that: this shading ring is erected between the ring madial wall of the ring madial wall of this insulation shell and this ring-shaped core.
3. Hall current sensor as claimed in claim 1 is characterized in that: this shading ring is arranged on the ring madial wall of the ring madial wall of this insulation shell or this ring-shaped core.
4. Hall current sensor as claimed in claim 3, it is characterized in that: this shading ring is non magnetic conductive material, be wrapped on the ring madial wall of the ring madial wall of this insulation shell or this ring-shaped core, perhaps be plated on the ring madial wall of the ring madial wall of this insulation shell or this ring-shaped core.
5. Hall current sensor as claimed in claim 1 is characterized in that: this shading ring is chip architecture or the reticulate texture of being made by nonmagnetic conductive material.
6. as each described Hall current sensor in the claim 1 to 5, it is characterized in that: also be packaged with compensating coil in this insulation shell, it is sheathed on this iron core and with this circuit board and is electrically connected.
7. as each described Hall current sensor in the claim 1 to 5, it is characterized in that: also be packaged with ground wire in this insulation shell, the one end links to each other with this shading ring, its other end ground connection.
8. Hall current sensor as claimed in claim 7 is characterized in that: be equipped with connector on this insulation shell, this connector is electrically connected with this circuit board.
9. Hall current sensor as claimed in claim 8 is characterized in that: this connector comprises a ground terminal, this other end of this ground wire by this ground terminal with this shading ring ground connection.
10. as each described Hall current sensor in the claim 1 to 5, it is characterized in that, also comprise: stretch out in the cable of this insulation shell, an end of this cable is electrically connected with this circuit board, and the other end is in order to connect external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200022617U CN201145706Y (en) | 2008-01-25 | 2008-01-25 | Hall current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200022617U CN201145706Y (en) | 2008-01-25 | 2008-01-25 | Hall current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145706Y true CN201145706Y (en) | 2008-11-05 |
Family
ID=40082589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200022617U Expired - Lifetime CN201145706Y (en) | 2008-01-25 | 2008-01-25 | Hall current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145706Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963631A (en) * | 2010-08-31 | 2011-02-02 | 株洲南车时代电气股份有限公司 | High-current direct current sensor and manufacturing method thereof |
| CH702264A1 (en) * | 2009-11-30 | 2011-05-31 | Melexis Tessenderlo Nv | Device for measuring current flowing through current conductor for indicating charging condition of battery, has magnetic element and concentrator with end areas, and shield surrounding concentrator, where end areas overlap with each other |
| CN102998517A (en) * | 2012-12-17 | 2013-03-27 | 浙江中凯科技股份有限公司 | Hall current detection 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 |
| CN103364612A (en) * | 2013-07-05 | 2013-10-23 | 华中科技大学 | Dual-Hall element current sensor |
| CN103454597A (en) * | 2012-05-29 | 2013-12-18 | 北京嘉岳同乐极电子有限公司 | Current-induction measuring device and method and sensitivity adjusting method |
| CN103513086A (en) * | 2012-06-14 | 2014-01-15 | 矢崎总业株式会社 | Current sensor |
| CN103959073A (en) * | 2011-10-26 | 2014-07-30 | 莱姆知识产权公司 | Electrical current transducer |
| CN106132615A (en) * | 2014-04-04 | 2016-11-16 | 伊利诺斯工具制品有限公司 | The system and method for the voltage and current in measurement welding torch |
| CN106443127A (en) * | 2016-09-12 | 2017-02-22 | 中车株洲电力机车研究所有限公司 | Current sensor device for converter |
| CN108279328A (en) * | 2017-01-05 | 2018-07-13 | 南通杰夫电气有限公司 | Driver for electric vehicle and open loop Hall current sensor |
| CN109116083A (en) * | 2018-07-09 | 2019-01-01 | 贵州民族大学 | A kind of double Hall double-iron core current sensors |
| CN107390003B (en) * | 2017-08-21 | 2023-09-01 | 浙江中凯科技股份有限公司 | Hall current detection device |
| WO2024074745A1 (en) * | 2022-10-04 | 2024-04-11 | Piher Sensors & Controls, S.A. | Current sensor with electromagnetic immunity |
-
2008
- 2008-01-25 CN CNU2008200022617U patent/CN201145706Y/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH702264A1 (en) * | 2009-11-30 | 2011-05-31 | Melexis Tessenderlo Nv | Device for measuring current flowing through current conductor for indicating charging condition of battery, has magnetic element and concentrator with end areas, and shield surrounding concentrator, where end areas overlap with each other |
| CN101963631B (en) * | 2010-08-31 | 2015-06-10 | 株洲南车时代电气股份有限公司 | High-current direct current sensor and manufacturing method thereof |
| CN101963631A (en) * | 2010-08-31 | 2011-02-02 | 株洲南车时代电气股份有限公司 | High-current direct current sensor and manufacturing method thereof |
| CN103959073A (en) * | 2011-10-26 | 2014-07-30 | 莱姆知识产权公司 | Electrical current transducer |
| CN103134970B (en) * | 2011-11-29 | 2015-12-16 | 上海汽车集团股份有限公司 | Be suitable for integrated hall sensors and the current sensing means of automobile application |
| 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 |
| CN103454597A (en) * | 2012-05-29 | 2013-12-18 | 北京嘉岳同乐极电子有限公司 | Current-induction measuring device and method and sensitivity adjusting method |
| CN103513086B (en) * | 2012-06-14 | 2016-08-31 | 矢崎总业株式会社 | Current sensor |
| US9465054B2 (en) | 2012-06-14 | 2016-10-11 | Yazaki Corporation | Current sensor |
| CN103513086A (en) * | 2012-06-14 | 2014-01-15 | 矢崎总业株式会社 | Current sensor |
| CN102998517B (en) * | 2012-12-17 | 2015-06-24 | 浙江中凯科技股份有限公司 | Hall current detection device |
| CN102998517A (en) * | 2012-12-17 | 2013-03-27 | 浙江中凯科技股份有限公司 | Hall current detection device |
| CN103364612A (en) * | 2013-07-05 | 2013-10-23 | 华中科技大学 | Dual-Hall element current sensor |
| CN106132615B (en) * | 2014-04-04 | 2020-01-17 | 伊利诺斯工具制品有限公司 | System and method for measuring voltage and current in a welding torch |
| CN106132615A (en) * | 2014-04-04 | 2016-11-16 | 伊利诺斯工具制品有限公司 | The system and method for the voltage and current in measurement welding torch |
| US11883910B2 (en) | 2014-04-04 | 2024-01-30 | Illinois Tool Works Inc. | Systems and methods for measuring voltage and current within a welding torch |
| US10493552B2 (en) | 2014-04-04 | 2019-12-03 | Illinois Tool Works Inc. | Systems and methods for measuring voltage and current in a torch |
| CN106443127A (en) * | 2016-09-12 | 2017-02-22 | 中车株洲电力机车研究所有限公司 | Current sensor device for converter |
| CN108279328A (en) * | 2017-01-05 | 2018-07-13 | 南通杰夫电气有限公司 | Driver for electric vehicle and open loop Hall current sensor |
| CN107390003B (en) * | 2017-08-21 | 2023-09-01 | 浙江中凯科技股份有限公司 | Hall current detection device |
| CN109116083A (en) * | 2018-07-09 | 2019-01-01 | 贵州民族大学 | A kind of double Hall double-iron core current sensors |
| WO2024074745A1 (en) * | 2022-10-04 | 2024-04-11 | Piher Sensors & Controls, S.A. | Current sensor with electromagnetic immunity |
| ES2967560A1 (en) * | 2022-10-04 | 2024-04-30 | Piher Sensors & Controls S A | Current sensor with electromagnetic immunity (Machine-translation by Google Translate, not legally binding) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CITY HEXING JIANENG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN JIANENG TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20100812 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 4/F, WEST TOWER, BUILDING 203, TAIRAN INDUSTRY AND TRADE PARK, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 1301-1, CHINA YOUSE BUILDING, SOUTH OF SHENNAN AVENUE, CHEGONGMIAO, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100812 Address after: 518000 Che Kung Temple nonferrous building, south of Shennan Road, Futian District, Shenzhen, Guangdong 1301-1, China Patentee after: Shenzhen Hexing Jianeng Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District industry and Trade Park Tairan 203 west 4 floor Patentee before: Shenzhen Jianeng Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081105 |
|
| CX01 | Expiry of patent term |