CN101995237A - Inclination sensing device - Google Patents
Inclination sensing device Download PDFInfo
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- CN101995237A CN101995237A CN 200910164839 CN200910164839A CN101995237A CN 101995237 A CN101995237 A CN 101995237A CN 200910164839 CN200910164839 CN 200910164839 CN 200910164839 A CN200910164839 A CN 200910164839A CN 101995237 A CN101995237 A CN 101995237A
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- diapire
- housing
- pivot
- permanent magnet
- inclination
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Abstract
The invention discloses an inclination sensing device which comprises a shell, a rotary piece, a permanent magnet and a magnetic field sensor set, wherein the shell is provided with a bottom wall and a pivot extending upwards from the bottom wall; the rotary piece is provided with a pivoted part which is pivoted on the pivot and a rotary part connected on the pivoted part; the rotary part can rotate along the pivot along with the inclination of the shell; the permanent magnet is arranged on the rotary part of the rotary piece; and the magnetic field sensor set is arranged on the shell and is used for sensing the position of the permanent magnet.
Description
Technical field
The present invention relates to a kind of inclination inducing system, particularly relate to the inclination inducing system that vergence direction is judged in a kind of variation that utilizes sensing magnetic field.
Background technology
Existing multidirectional inclination inducing system, as be exposed in the oblique セ Application of " tilt sensor " (Pour サ of open special permission communique " spy opens 2001-324324 " of Japan), as shown in Figure 1 and Figure 2; Described tilt sensor comprises that a housing 201, one columniform permanent magnet 202 and two is installed on the magnetic field detector 26,27 of described housing 201 outsides.
Described housing 201 comprises that a base 205 and is removable installed in the top cover 200 of described base 205 end faces, the end face of described base 205 is concaved with a V font groove 204, and described groove 204 can and have a first end 207 and a second end 206 for described permanent magnet 202 rollings.
Described permanent magnet 202 can roll in groove 204 along with the inclination of described housing 201; Described housing 201 is inclined to the first end 207 of groove 204 when low, described permanent magnet 202 just can be rolled into first end 207, described housing 201 is inclined to the second end 206 of groove 204 when low, and described permanent magnet 202 just can turn to the second end 206.
Described magnetic field detector 27,26 is installed on the below of first end 207 and the second end 206 respectively, described magnetic field detector 26,27 is flat and can detects and vertical magnetic line of force itself, in other words, described each magnetic field detector 26,27 can detect described permanent magnet 202 and is positioned at directly over each magnetic field detector 26,27.
By the position of the described permanent magnet 202 of magnetic field detector 26,27 inductions that is installed on described housing 201 outsides, to detect the heeling condition of described housing 201; If described magnetic field detector 27 is sensed described permanent magnet 202 up, represent that then described housing 201 is inclined to the lower state of described first end 207, if described magnetic field detector 26 senses described permanent magnet 202 up, represent that then described housing 201 is inclined to the lower state of described the second end 206.
Along with modern science and technology don't fail to miniaturization for electronic installation, light-weighted demand, tilt sensor is miniaturization thereupon also, permanent magnet 202 quality own also must diminish, but because tilt sensor itself is the product that is applied in some electronic installation that need detect its heeling condition, permanent magnet 202 is subjected to the influence of other magnetic conductive material in the electronic installation, then can depart from the orientation, in other words, under the situation that this tilt sensor tilts, permanent magnet 202 may not can along with the direction of gravity tumbles toward lower place, can be subjected to the stronger magnetic force influence of force of gravity on the contrary as you were, so that can't accurately record the state that this tilt sensor tilts.
Summary of the invention
The objective of the invention is is providing a kind of for the inclination inducing system that accurately records its heeling condition.
Inclination inducing system of the present invention comprises a housing, a tumbler, a permanent magnet and a magnetic sensors group; This housing has a diapire and by the upwardly extending pivot of this diapire; This tumbler has one and is hubbed at the rotation section that pivoting part and on this pivot connects this pivoting part, and this rotation section can be rotated along this pivot with the inclination of this housing; This permanent magnet is located on this rotation section of this tumbler; This magnetic sensors group is arranged on this housing and in order to respond to the position of this permanent magnet.
Preferably, this housing also has one by the upwardly extending surrounding wall of this diapire, and this surrounding wall is to be that the center centers on this pivot with this pivot, and this diapire and this surrounding wall define an accommodation space, and this tumbler and this permanent magnet are to be arranged in this accommodation space.
Preferably, this housing comprises that also one removably is located at the top cover on this surrounding wall, this top cover has uses the mark feature of judging its installing direction for this inclination inducing system of installing, and this accommodation space is to be defined jointly by this diapire, this surrounding wall and this top cover.
Preferably, this surrounding wall of this housing also is formed with a big projection that raises up in the side away from this diapire, and a small convex pillar that raises up, this top cover then is formed with a large perforation that can supply this big projection to snap in, and a little perforation that can supply this small convex pillar to snap in.
Preferably, this magnetic sensors group comprises most magnetic sensors, and described magnetic sensors is located at respectively on this diapire.
Preferably, a side of contiguous this top cover of this diapire of this housing also is formed with most grooves, in order to ccontaining described magnetic sensors.
Preferably, a side of contiguous this top cover of this diapire of this housing also is formed with a collar flange, and this collar flange is around this pivot and described groove, uses the one side for contiguous this diapire in this rotation section of this tumbler to compress.
Preferably, the material of this housing is diamagnetism (diamagnetic) material.
Beneficial effect of the present invention is: compared to the known tilt sensor of similar size, the structure that inclination inducing system of the present invention combines tumbler and permanent magnet, its quality is bigger, and gravity is also bigger, the direction that verily reactor shell tilted.
Description of drawings
Fig. 1 is a stereographic map, illustrates the oblique セ Application of the tilt sensor “ Pour サ of the open special permission communique " spy opens 2001-324324 " of Japan ";
Fig. 2 is a part of vertical view, the known tilt sensor start in the key diagram 1;
Fig. 3 is a three-dimensional exploded view, illustrates the preferred embodiment of inclination inducing system of the present invention;
Fig. 4 is a three-dimensional combination figure, and the sample attitude after the combination of inclination inducing system is described;
Fig. 5 is a part of stereographic map, and permanent magnet and the tumbler a kind of mobile status in accommodation space is described; And
Fig. 6 is a part of stereographic map, and permanent magnet and the tumbler another kind of mobile status in accommodation space is described.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Consult Fig. 3 and Fig. 4, the preferred embodiment of inclination inducing system 10 of the present invention comprises the magnetic sensors group 4 of the position of a housing 1, a tumbler 2, a permanent magnet 5 and a detecting permanent magnet 5.
This housing have a diapire 13, by the upwardly extending surrounding wall of the periphery of this diapire 13 14, by the upwardly extending pivot 11 in the center of diapire 13, an and top cover 3 of removably being located on the surrounding wall 14, in the present embodiment, this surrounding wall 14 is to be the center around this diapire 13 and pivot 11 with pivot 11, and diapire 13, surrounding wall 14 and top cover 3 define an accommodation space 18 jointly, and this tumbler 2 promptly is to be placed in this accommodation space 18 with permanent magnet 5.What deserves to be mentioned is that the housing 1 in the present embodiment is for by 5 magnetic conductions of the permanent magnet in it, and have influence on the accuracy of the position of magnetic sensors group 4 detecting permanent magnets 5, the material of housing 1 is non-magnetic diamagnetism (dianagnetic) material.
What deserves to be mentioned is, because the electronic installation that inclination inducing system 10 goes into to use in installing is not when (figure shows), must be with specific orientation installing, so magnetic sensors group 4 could correctly be exported the electric signal of the position of representing permanent magnet 5, therefore, the surrounding wall 14 of present embodiment is formed with two big projections 15 that raise up in the side away from diapire 13, and two small convex pillars that raise up 16, big projection 15 lays respectively on a pair of relative corner of surrounding wall 14, small convex pillar 16 then lay respectively at surrounding wall 14 another on the relative corner, on the top cover 3 with respect to the position of big projection 15 with small convex pillar 16, then be formed with two large perforations 32 that can supply big projection 15 to be snapped into, and two little perforation 33 that can supply small convex pillar 16 to snap in; The snap-in structure of above-mentioned surrounding wall 14 and top cover 3, except can fixing for top cover 3, when also being available for users to install this inclination inducing system 10, by inspecting the position of large perforation on the top cover 3 32 with little perforation 33, just the mark feature on the present embodiment top cover 3 is judged the direction that inclination inducing system 10 should be installed.
In addition, in the present embodiment, one side of the diapire 13 contiguous top covers 3 of housing 1 also is formed with one first groove 121 and one second groove 122, this two groove 121,122 lays respectively at the opposite both sides of pivot 11, and respectively in order to ccontaining described magnetic sensors group 4, except this two groove 121,122, a side of these diapire 13 contiguous these top covers 3 also is formed with a collar flange that raises up 17, and this collar flange 17 is that center ring is around pivot 11 and described groove 121,122 with pivot 11.The quantity that the quantity that it should be noted that groove 121,122 will be looked the included magnetic sensors of magnetic sensors group 4 is provided with, and does not exceed with two shown in the present embodiment.
In the present embodiment, this tumbler 2 is generally to be a umbrella, having a transverse section is the handle shape and is hubbed at pivoting part 21 on the pivot 11 of housing 1, an and rotation section 23 that is connected in a side and the transverse section semicircular in shape of pivoting part 21, be formed with a storage tank 24 on the rotation section 23, this permanent magnet 5 promptly is to be installed in this storage tank 24, in the present embodiment, rotation section 23 can be subjected to the effect of gravity with this permanent magnet 5, and along with the inclination of housing 1 turns to the minimum position of surface level along this pivot 11.What deserves to be mentioned is, in order to reduce rotation section 23 when the turn, the friction that produces with diapire 13 and cause rotation sliding suitable, rotation section 23 is when rotating, its bottom surface 25 is to contact with collar flange 17 on the diapire 13, and can not allow whole bottom surface 25 and diapire 13 contact friction in large area.
In the present embodiment, this magnetic sensors group 4 comprises that one is embedded in first magnetic sensors 41 in first groove 121, and be embedded in second magnetic sensors 42 in second groove 122, first, second magnetic sensors 41,42 can be Hall magnetic force induction integrated circuit (Hall IC) or magnetic resistance inductor (Magneto-resistivesensor, be called for short MR sensor), and the situation that included inductor quantity of magnetic sensors group 4 and kind model thereof all must be looked practical application is set.It should be noted that in addition, in that being set, magnetic sensors to note its orientation at 41,42 o'clock, the permanent magnet 5 of make suring can match with the response characteristic of first, second magnetic sensors 41,42 when falling desired location, the response characteristic of various magnetic sensors such as Hall IC or MR sensor should be to be familiar with known to this technical field person, no longer adds to give unnecessary details at this.
Consult Fig. 5 and Fig. 6, set adopted in the present embodiment first, second magnetic sensors 41, the 42nd, HallIC, the N utmost point of permanent magnet 5 and the S utmost point then are the two ends of difference position in vertical direction, when the direction of inclination inducing system 10 past arrows 91 tilts, tumbler 2 and permanent magnet 5 just can drop on the position among Fig. 5, this moment, first magnetic sensors 41 and second magnetic sensors 42 all failed to sense permanent magnet 5, with first, second magnetic sensors 41,42 circuit that are electrically connected (figure does not show) just can utilize this state to do some corresponding application, for example: make straight the advancing of racing car in the electronic recreation.And when the direction of inclination inducing system 10 past arrows 92 tilts, tumbler 2 and permanent magnet 5 just can drop on the position among Fig. 6, just overlapping with second magnetic sensors 42, this moment, second magnetic sensors 42 just can be sensed permanent magnet 5, and to the corresponding signal of circuit (figure does not show) output that is electrically connected with it, this circuit just can utilize this signal to do other corresponding application, for example: make the racing car in the electronic recreation turn right.
Comprehensive the above, the known tilt sensor of similar size in Fig. 1, the structure that inclination inducing system 10 of the present invention combines tumbler 2 and permanent magnet 5, the influence that quality is brought when more increasing its rotation, just the gravity that is subjected to of permanent magnet 5 is bigger, also the direction that can be tilted along with housing 1 is exactly advanced toward the position that should go, and the vergence direction that inclination inducing system 10 is detected also just can more verily reflect the vergence direction of its applied electronic installation.
Claims (8)
1. an inclination inducing system is characterized in that, this inclination inducing system comprises::
One housing has a diapire and by the upwardly extending pivot of this diapire;
One tumbler has a pivoting part that is hubbed on this pivot, and the rotation section of this pivoting part of connection, and this rotation section can be rotated along this pivot with the inclination of this housing;
One permanent magnet is located on this rotation section of this tumbler; And
One magnetic sensors group is arranged on this housing and in order to respond to the position of this permanent magnet.
2. inclination inducing system as claimed in claim 1, it is characterized in that: this housing also has one by the upwardly extending surrounding wall of this diapire, this surrounding wall is to be that the center centers on this pivot with this pivot, this diapire and this surrounding wall define an accommodation space, and this tumbler and this permanent magnet are to be arranged in this accommodation space.
3. inclination inducing system as claimed in claim 2, it is characterized in that: this housing comprises that also one removably is located at the top cover on this surrounding wall, this top cover has uses the mark feature of judging its installing direction for this inclination inducing system of installing, and this accommodation space is to be defined jointly by this diapire, this surrounding wall and this top cover.
4. inclination inducing system as claimed in claim 3, it is characterized in that: this surrounding wall of this housing also is formed with a big projection that raises up in the side away from this diapire, an and small convex pillar that raises up, this top cover then is formed with a large perforation that can supply this big projection to snap in, and a little perforation that can supply this small convex pillar to snap in.
5. as claim 3 or 4 described inclination inducing systems, it is characterized in that: this magnetic sensors group comprises most magnetic sensors, and described magnetic sensors is located at respectively on this diapire.
6. inclination inducing system as claimed in claim 5 is characterized in that: a side of contiguous this top cover of this diapire of this housing also is formed with most grooves, in order to ccontaining described magnetic sensors.
7. inclination inducing system as claimed in claim 6, it is characterized in that: a side of contiguous this top cover of this diapire of this housing also is formed with a collar flange, this collar flange is used the one side contact for contiguous this diapire in this rotation section of this tumbler around this pivot and described groove.
8. as claim 1,2,3 or 4 described inclination inducing systems, it is characterized in that: the material of this housing is the diamagnetism material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200910164839 CN101995237A (en) | 2009-08-11 | 2009-08-11 | Inclination sensing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200910164839 CN101995237A (en) | 2009-08-11 | 2009-08-11 | Inclination sensing device |
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CN101995237A true CN101995237A (en) | 2011-03-30 |
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CN 200910164839 Pending CN101995237A (en) | 2009-08-11 | 2009-08-11 | Inclination sensing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113253170A (en) * | 2020-02-13 | 2021-08-13 | 西门子(深圳)磁共振有限公司 | Magnetic resonance imaging device field measuring equipment |
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2009
- 2009-08-11 CN CN 200910164839 patent/CN101995237A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113253170A (en) * | 2020-02-13 | 2021-08-13 | 西门子(深圳)磁共振有限公司 | Magnetic resonance imaging device field measuring equipment |
CN113253170B (en) * | 2020-02-13 | 2023-08-25 | 西门子(深圳)磁共振有限公司 | Field measuring device of magnetic resonance imaging device |
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Application publication date: 20110330 |