CN202614918U - Fluxgate sensor and magnetometer - Google Patents
Fluxgate sensor and magnetometer Download PDFInfo
- Publication number
- CN202614918U CN202614918U CN 201220180079 CN201220180079U CN202614918U CN 202614918 U CN202614918 U CN 202614918U CN 201220180079 CN201220180079 CN 201220180079 CN 201220180079 U CN201220180079 U CN 201220180079U CN 202614918 U CN202614918 U CN 202614918U
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- fluxgate
- cube support
- containing holes
- fluxgate sensor
- probes
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Abstract
The embodiment of the utility model discloses a fluxgate sensor, comprising a cubic bracket, three fluxgate probes and a circuit board for driving the three fluxgate probes to work, wherein the cubic bracket is an insulating nonmagnetic cubic bracket; the cubic bracket is provided with three accommodating holes, the three accommodating holes are respectively formed on three surfaces of the cubic bracket which are perpendicular to each other; axes of any two accommodating holes are perpendicular to each other, and none of the containing holes is communicated with the others; and the three fluxgate probes are respectively accommodated in the three accommodating holes. According to the fluxgate sensor provided by the utility model, the fluxgate probes are encapsulated in the cubic bracket, and the three fluxgate probes are mutually perpendicular, namely the three fluxgate probes are orthogonal, during the application process, no adjustment for the orthogonal degree of the three fluxgate probes are needed, and the orthogonality of the three fluxgate probes is increased, thereby improving the measurement accuracy.
Description
Technical field
The utility model relates to the magnetic-field measurement field, more particularly, relates to a kind of fluxgate sensor and magnetometer.
Background technology
The three-component magnetometer is the instrument that generally uses in the magnetic-field measurement, and the three-component magnetometer carries out the magnetic-field measurement of three directions through three of fluxgate sensor separate fluxgate magnetic cores, when measuring; Need earlier three probes to be installed on the special-purpose structure-steel framing; Regulate respectively then, make these three probes all orthogonal, promptly be in quadrature; After regulating the quadrature degree of three probes, carry out magnetic-field measurement.
But, utilize existing fluxgate sensor to carry out in the process of magnetic-field measurement, the process of the quadrature degree of adjusting fluxgate magnetic core is very complicated, and the quadrature degree of three fluxgate magnetic cores after the adjusting is lower, thereby causes magnetic-field measurement result's precision lower.
The utility model content
The purpose of the utility model provides a kind of fluxgate sensor, and it is low to regulate three fluxgate magnetic core quadrature degree that caused with solution quadrature degree, the problem that the magnetic-field measurement precision is low.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of fluxgate sensor comprises:
The cube support, three fluxgate magnetic cores and the circuit board that drives said three fluxgate magnetic core work;
Said cube support is the nonmagnetic cube support of insulation; Said cube support is provided with three containing holes; Said three containing holes are separately positioned on orthogonal three faces of said cube support; The axis of any two containing holes is orthogonal; And each containing hole is not connected, said three containing holes the extended line of axis do not meet at a bit;
Said three fluxgate magnetic cores are positioned over respectively in said three containing holes.
Preferably, above-mentioned fluxgate sensor also is provided with the groove of sunkening cord that is connected with said three holes respectively on the said cube support.
Preferably, above-mentioned fluxgate sensor also is provided with the resettlement groove of placing said circuit board on the said cube support, and said resettlement groove is connected with said three containing holes through the said groove of sunkening cord.
Preferably, above-mentioned fluxgate sensor, said cube support is provided with mounting hole.
A kind of magnetometer, it has above-mentioned described fluxgate sensor.
Can know that through above scheme a kind of fluxgate sensor that the application provides is encapsulated in fluxgate magnetic core in the cube support; And three fluxgate magnetic cores are vertical each other, and promptly three fluxgate magnetic cores are quadratures, in use; Do not need again three fluxgate magnetic cores to be carried out the adjusting of quadrature degree; Simplify operating process, and improved the quadrature degree of fluxgate magnetic core, further improved the precision of measurement result.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of fluxgate sensor that Fig. 1 provides for the application embodiment.
Term " first " in instructions and claims and the above-mentioned accompanying drawing, " second ", " the 3rd " " 4th " etc. (if existence) are to be used to distinguish similar part, and needn't be used to describe specific order or precedence.The data that should be appreciated that such use suitably can exchanged under the situation, so that the application's described herein embodiment for example can be with except the order enforcement here illustrated.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the structural representation of a kind of fluxgate sensor that Fig. 1 provides for the application embodiment comprises:
1, three fluxgate magnetic core of cube support and the circuit board 3 that drives said three fluxgate magnetic core work; Three fluxgate magnetic cores are respectively first fluxgate magnetic core, 21, the second fluxgate magnetic cores 22 and the 3rd fluxgate magnetic core 23;
Concrete, cube support 1 that is to say that for the nonmagnetic cube support of insulation the material of making cube support 1 is that insulation is non-magnetic.
Cube support 1 is provided with three containing holes, is respectively first containing hole, 11, the second containing holes 12 and the 3rd containing hole 13; In three containing holes; The axis of any two containing holes is orthogonal; And each containing hole is not connected; Said three containing holes the extended line of axis do not meet at a bit, these three containing holes are separately positioned on orthogonal three faces of cube support, offer a containing hole on each face;
Three fluxgate magnetic cores are placed on respectively in these three containing holes, because three containing holes are vertical each other quadratures just, so these three fluxgate magnetic cores also are vertical each other, i.e. and quadrature;
The shape of above-mentioned containing hole and fluxgate magnetic core is not done concrete restriction; As long as can fluxgate magnetic core placed and be fixed in the said containing hole, specifically when implementing, the containing hole on the cube support 1 can be cylindrical containing hole; Certainly, also can be other shapes; Fluxgate magnetic core can be packaged into cylindric, and certainly, fluxgate magnetic core can also be packaged into other column structures, as prismatic etc.
Preferably,, prevent that circuit (like, the connection line between fluxgate magnetic core and the circuit board 3) from breaking off because of collision or friction, cause damage, also be provided with the groove 14 of sunkening cord on the cube support 1 in order to improve the reliability of fluxgate sensor.Because each fluxgate magnetic core all has circuit to be connected with circuit board 3; So offer at cube support 1 on three faces of containing hole; All be provided with on each face with this face on the groove 14 of sunkening cord that is connected of the opening part of containing hole; This groove 14 of sunkening cord can guarantee that the connection line between circuit board 3 and the fluxgate magnetic core can not place the outside of cube support 1, but is embedded in the inside of cube support 1.
In order further to optimize the foregoing description; Reduce the shared space of fluxgate sensor, on the cube support 1 resettlement groove 15 can also be set, this resettlement groove 15 is connected with said three containing holes through the said groove 4 of sunkening cord; Resettlement groove 15 is used to place circuit board 3; Can circuit board 3 be put into this resettlement groove 15, cement, form whole with cube support 1 with epoxy.
Install for ease, on the cube support 1 mounting hole can also be set, can cube support 1 be fixed on the relevant position easily through this mounting hole.
The fluxgate sensor that the application embodiment provides is encapsulated in fluxgate magnetic core in the cube support, and three fluxgate magnetic cores are vertical each other; Promptly three fluxgate magnetic cores are quadratures; In use, do not need again three fluxgate magnetic cores to be carried out the adjusting of quadrature degree, simplified operating process; And improved the quadrature degree of fluxgate magnetic core, further improved the precision of measurement result.
In addition; The cube support of the fluxgate sensor that the application embodiment provides is provided with the groove of sunkening cord; Avoid connection line to place cube support outside, cause the damage of circuit with miscellaneous part generation frictional impact, improved the reliability of fluxgate sensor; The resettlement groove that is provided with on the cube support makes circuit board can embed the cube internal stent, holds for one with the cube support, has reduced the shared space of fluxgate sensor.
In addition, the application embodiment also provides a kind of magnetometer, and this magnetometer has the fluxgate sensor that above-mentioned the application embodiment provides, and therefore, the magnetometer that the utility model provides is with all technique effects of above-mentioned fluxgate sensor, and this paper repeats no more.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
1. a fluxgate sensor is characterized in that, comprising:
Cube support (1), three fluxgate magnetic cores and the circuit board (3) that drives said three fluxgate magnetic core work;
Said cube support (1) is the nonmagnetic cube support of insulation; Said cube support (1) is provided with three containing holes; Said three containing holes are separately positioned on orthogonal three faces of said cube support (1); The axis of any two containing holes is orthogonal; And each containing hole is not connected, said three containing holes the extended line of axis do not meet at a bit;
Said three fluxgate magnetic cores are positioned over respectively in said three containing holes.
2. fluxgate sensor according to claim 1 is characterized in that, also is provided with the groove of sunkening cord (14) that is connected with said three containing holes respectively on the said cube support (1).
3. fluxgate sensor according to claim 2; It is characterized in that; Also be provided with the resettlement groove (15) of placing said circuit board (3) on the said cube support (1), said resettlement groove (15) is connected with said three containing holes respectively through the said groove of sunkening cord (14).
4. fluxgate sensor according to claim 1 is characterized in that, said cube support is provided with mounting hole.
5. a magnetometer is characterized in that, it has any described fluxgate sensor of aforesaid right requirement 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180079 CN202614918U (en) | 2012-04-25 | 2012-04-25 | Fluxgate sensor and magnetometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180079 CN202614918U (en) | 2012-04-25 | 2012-04-25 | Fluxgate sensor and magnetometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202614918U true CN202614918U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220180079 Expired - Fee Related CN202614918U (en) | 2012-04-25 | 2012-04-25 | Fluxgate sensor and magnetometer |
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| Country | Link |
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| CN (1) | CN202614918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519563A (en) * | 2018-04-02 | 2018-09-11 | 南京麦科尼传感技术有限公司 | A kind of high-resolution orthogonal fluxgate three axis magnetometer and its manufacturing technology based on amorphous wire |
| CN112526414A (en) * | 2020-11-12 | 2021-03-19 | 清华大学 | Low-noise orthogonal fundamental mode fluxgate sensor probe with asymmetrically arranged magnetic cores |
| CN114252817A (en) * | 2021-12-16 | 2022-03-29 | 北京微纳星空科技有限公司 | High-precision fluxgate probe and manufacturing method thereof |
-
2012
- 2012-04-25 CN CN 201220180079 patent/CN202614918U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519563A (en) * | 2018-04-02 | 2018-09-11 | 南京麦科尼传感技术有限公司 | A kind of high-resolution orthogonal fluxgate three axis magnetometer and its manufacturing technology based on amorphous wire |
| CN112526414A (en) * | 2020-11-12 | 2021-03-19 | 清华大学 | Low-noise orthogonal fundamental mode fluxgate sensor probe with asymmetrically arranged magnetic cores |
| CN114252817A (en) * | 2021-12-16 | 2022-03-29 | 北京微纳星空科技有限公司 | High-precision fluxgate probe and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20150425 |
|
| EXPY | Termination of patent right or utility model |