WO2006038297A1 - 傾倒センサ - Google Patents
傾倒センサ Download PDFInfo
- Publication number
- WO2006038297A1 WO2006038297A1 PCT/JP2004/014817 JP2004014817W WO2006038297A1 WO 2006038297 A1 WO2006038297 A1 WO 2006038297A1 JP 2004014817 W JP2004014817 W JP 2004014817W WO 2006038297 A1 WO2006038297 A1 WO 2006038297A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- movement
- shaft
- case
- vibration
- spacer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/02—Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field
- H01H35/022—Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field the switch being of the reed switch type
Definitions
- the tilt sensor according to the present invention is based on the fact that a pendulum type movement provided rotatably in a case rotates and a portion magnetized by the movement is detected by a magnetic sensor.
- the tilt sensor that detects the tilt state the movement of the movement is not restrained and the vibration of the vehicle body is not transmitted through the shaft.
- the movement and the shaft are placed in an unconstrained state by loosely fitting the spacer to the shaft inserted through the spacer and installing the movement on the case side through the spacer. I have to.
- FIG. 2 is a side sectional view of the tilt sensor in the same embodiment.
- FIG. 3 is a front view showing the movement of the tilt sensor in the same embodiment.
- FIG. 4 is a side view of the movement.
- FIG. 6 is a side view showing an example of a spacer used in the tilt sensor according to the present invention.
- FIG. 7 is a side view showing another example of a spacer used in the tilt sensor according to the present invention.
- FIG. 8 is an electric circuit diagram showing a detection circuit for detecting the tilt state of the vehicle body using the tilt sensor according to the present invention.
- FIG. 9 is a diagram showing the vibration characteristics of the movement in the tilt sensor according to the present invention.
- FIG. 10 is a diagram showing the vibration characteristics of a film rod in a conventional tilt sensor.
- a magnetized pendulum type movement 2 is placed in a case 1 so as to be rotatable by its shaft 3. It is provided.
- the case 1 consists of a lower case 1 1 and an upper case 1 2, and the upper case 1 2 has a lower case.
- the upper case 12 is provided with a mounting seat 9 to be mounted on the vehicle body side.
- a detection circuit that detects the turning state of the movement 2 over a predetermined angle by the Hall IC 5 and outputs a detection signal when it is switched on.
- the mounted circuit board 6 is attached.
- a socket portion 8 from which the terminals of the power source V cc from the circuit board 6, the ground GND and the detection output OU T are drawn out is formed in a body.
- movement 2 is provided with a shaft hole 23 in which shaft 3 is inserted through a gap so as to be in the center of the circle.
- a notch 21 having a predetermined opening angle ⁇ (for example, 62 °) so as to be symmetrical with respect to the reference position 0, and the reference position 0 is vertically arranged below the cutout 21.
- a weight part 22 for balancing is provided.
- the Hall IC 5 attached to the circuit board 6 is of the unipolar type and is located on the reference position O of the movement 2, so that the movement 2 is rotated and magnetized.
- the switch is in the switched state when the S poles face each other.
- the spacers 7 are loosely fitted on both sides of the shaft 3 inserted into the shaft hole 2 3 of the movement 2 through a gap, and the spacers are inserted.
- the rain end of the shaft 3 is not forcedly supported at all, and is in an unconstrained state.
- the spacer 7 regulates the movement of the movement 2 in the case 1 in the axial direction.
- the spacer 7 is formed into an abacus spherical shape so as to come into contact with the membrane 2 with a minimum area.
- the spacer may have other shapes such as a truncated cone shape as shown in FIG. 7 so that the contact surface with the movement 2 is small. Nor.
- Movement 2 is removed from the predetermined position of lower case 1 1 so that the upper part of shaft 3 is covered with a clearance S between the holding part 1 2 1 of movement 2 formed at the lower part of upper case 1 2
- the weight ratio of the upper part to the lower part is 1 with respect to the shaft hole 2 3 of the movement 2 so that the movement 2 does not shake unstably and greatly with respect to the vibration of the vehicle body.
- Optimum setting is made to be in the range of 9 to 3: 7.
- the weight ratio was in the range of 1: 9 to 3: 7.
- the stability when a constant vibration was applied to the was good.
- the one with a weight ratio of 2: 8 showed the best vibration characteristics. If the weight of the upper part increases beyond this range, the center of gravity shifts upward accordingly and the movement of the movement 2 becomes unstable.
- the weight distribution is adjusted by making a hole 10 in the upper part j of the movement 2 and embedding weight 13 in the center of the lower part.
- the weight distribution between the upper part and the lower part of the movement 2 with respect to the rotating shaft 3 is optimally set, so that the movement has an appropriate moment with respect to the tilt of the case 1. 2 can be rotated, and depending on the vibrations when driving in the rain, the movement 2 becomes unstable and difficult to rotate.
- FIG. 9 shows the vibration characteristics of the tilt sensor according to the present invention.
- the range of vibration frequency 5 0 ⁇ 5 0 0 H Z, in certain conditions of acceleration 1 2 G, vertical vibration, lateral vibration shows the vibration characteristic at the time of each test giving longitudinal vibrations Yes.
- A is the vibration characteristic when vertical vibration is applied
- B is the vibration characteristic when lateral vibration is applied
- C is the vibration characteristic when longitudinal vibration is applied.
- Fig. 10 shows the movement weight distribution by restricting the movement of the movement in the axial direction by restraining both ends of the movement shaft to the bearing part of the case, and regulating the movement of the movement in the axial direction by ribs formed in the case.
- the vibration characteristics are shown when the conventional tilt sensor is subjected to tests under the same conditions with vertical vibration, left-right vibration, and front-rear vibration.
- the movement fluctuates greatly in the vertical and horizontal vibrations, and there is an unstable state in the longitudinal vibrations, and there is a tendency that the response time tends to be long especially in the high frequency region. And in the longitudinal vibration, there is a movement sticking phenomenon in the low frequency range.
- S of movement 2 is provided with a notch 2 1 with a relatively large opening angle ⁇ so that the reference position O of rotation is in the center. Therefore, even if the movement 2 vibrates within the range of the opening angle ⁇ , the Hall IC does not respond. Therefore, there is no false detection due to vibrations when the vehicle is raining, and the hall IC is in the switch state only when the vehicle tilts more than a predetermined angle.
- the movement 2 is magnetized so as to have different polarity multipolarity with the polarity shown so as to be symmetric with respect to the reference position ⁇ .
- both ends of the notch 2 1 side have a small opening angle
- the negative electrode portions N l and ⁇ 2 have a small opening angle y (for example, N poles N 3 and N 4 are formed at 20 °)
- S poles SI and S 2 having a predetermined opening angle ⁇ (for example, 8 7.
- the boundary between the N pole part and the S pole part The magnetic flux density can be changed sharply, and the positioning when the switch 2 is turned on when the movement pole 2 rotates more than a predetermined angle and the south pole faces the wheel IC 5 is highly accurate. Will be able to be set.
- FIG. 8 shows an example of a detection circuit for detecting the tilting state of the vehicle body according to the switching state of the hall I C 5.
- the movement 2 has a vehicle body at the middle position of the rotation.
- a small insensitive area (N pole N 3 and N 4) that is not sensitive to Hall IC 5 that is placed on both sides of the inverted sensitive area that is sensitive to Hall IC 5 in the inverted state when it falls.
- Tilt-sensitive areas (S poles S 1 and S 2) that are sensitized by Hall IC 5 when tilted to the left and right are placed in contact with each non-sensitive area.
- the S pole portion S 3 which is an inversion sensitive area arranged in the middle position of the movement 2, faces the Hall IC 5, The inverted state is reliably detected.
- the pendulum type movement provided rotatably in the case rotates
- the tilt sensor detects the tilt state by detecting the magnetized part of the movement with a magnetic sensor, and is inserted into the shaft hole that is the center of rotation of the movement through a gap.
- the spacer is loosely fitted on the shaft to be moved, and the movement is placed on the case side through the spacer.
- the shape of the spacer provided so as to restrict the movement of the movement in the axial direction is changed to an abacus spherical shape, a truncated cone shape, etc., and the contact surface with respect to the movement is minimized. Therefore, there is an advantage that it is possible to effectively prevent the sticking phenomenon from occurring even when the case is tilted in a direction different from the rotation of the movement and the movement is pressed to the spacer side.
- the weight distribution between the upper part and the lower part with respect to the movement shaft is optimally set so that the movement does not shake unstably and greatly with respect to the vibration of the vehicle body.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/014817 WO2006038297A1 (ja) | 2004-09-30 | 2004-09-30 | 傾倒センサ |
US11/568,510 US7430809B2 (en) | 2004-09-30 | 2004-09-30 | Inclination sensor |
EP04773678A EP1796120B1 (en) | 2004-09-30 | 2004-09-30 | Inclination sensor |
CN200480041557A CN100593221C (zh) | 2004-09-30 | 2004-09-30 | 倾斜传感器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/014817 WO2006038297A1 (ja) | 2004-09-30 | 2004-09-30 | 傾倒センサ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006038297A1 true WO2006038297A1 (ja) | 2006-04-13 |
Family
ID=36142387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/014817 WO2006038297A1 (ja) | 2004-09-30 | 2004-09-30 | 傾倒センサ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7430809B2 (ja) |
EP (1) | EP1796120B1 (ja) |
CN (1) | CN100593221C (ja) |
WO (1) | WO2006038297A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101734159B (zh) * | 2010-01-05 | 2012-08-22 | 创改电子贸易(上海)有限公司 | 一种摩托车侧向倾斜感应装置 |
CN101723023B (zh) * | 2010-01-05 | 2012-06-20 | 创改电子贸易(上海)有限公司 | 一种摩托车侧向倾斜感应装置 |
CN101758876B (zh) * | 2010-01-05 | 2011-10-19 | 创改电子贸易(上海)有限公司 | 一种摩托车侧向倾斜感应装置 |
CN101976630A (zh) * | 2010-11-04 | 2011-02-16 | 陈枫 | 一种摩托车倾倒感应开关 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04313015A (ja) * | 1991-04-10 | 1992-11-05 | Omron Corp | 傾斜センサ |
JPH0583983U (ja) * | 1992-04-10 | 1993-11-12 | 株式会社東芝 | 重力スイッチ |
JP2000149736A (ja) * | 1998-11-06 | 2000-05-30 | Toyo Denso Co Ltd | 傾倒センサ |
JP2001256871A (ja) * | 2000-03-14 | 2001-09-21 | Asahi Denso Co Ltd | 転倒検出スイッチ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4557056A (en) * | 1983-06-29 | 1985-12-10 | Sun Kim | Electronic angle indicator |
US4703315A (en) * | 1986-02-18 | 1987-10-27 | Bein David H | Level indicating device |
US5477428A (en) * | 1994-06-21 | 1995-12-19 | Micro Craft, Inc. | Underhood lamp assembly with gravity-actuated switch |
WO1999030110A1 (fr) * | 1997-12-09 | 1999-06-17 | Matsushita Electric Industrial Co., Ltd. | Detecteur d'inclinaison |
JP3590927B2 (ja) | 1998-11-06 | 2004-11-17 | 東洋電装株式会社 | 傾倒センサ |
JP2001124550A (ja) * | 1999-10-29 | 2001-05-11 | Matsushita Electric Ind Co Ltd | 傾斜センサ |
US7017701B2 (en) * | 2002-11-20 | 2006-03-28 | Dura Global Technologies, Inc. | Inclination-measuring device |
JP4365262B2 (ja) * | 2004-04-23 | 2009-11-18 | 朝日電装株式会社 | 搭乗手段の傾斜センサ |
JP4465607B2 (ja) * | 2004-12-27 | 2010-05-19 | 東洋電装株式会社 | 傾倒センサ |
-
2004
- 2004-09-30 US US11/568,510 patent/US7430809B2/en active Active
- 2004-09-30 CN CN200480041557A patent/CN100593221C/zh active Active
- 2004-09-30 WO PCT/JP2004/014817 patent/WO2006038297A1/ja active Application Filing
- 2004-09-30 EP EP04773678A patent/EP1796120B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04313015A (ja) * | 1991-04-10 | 1992-11-05 | Omron Corp | 傾斜センサ |
JPH0583983U (ja) * | 1992-04-10 | 1993-11-12 | 株式会社東芝 | 重力スイッチ |
JP2000149736A (ja) * | 1998-11-06 | 2000-05-30 | Toyo Denso Co Ltd | 傾倒センサ |
JP2001256871A (ja) * | 2000-03-14 | 2001-09-21 | Asahi Denso Co Ltd | 転倒検出スイッチ |
Non-Patent Citations (1)
Title |
---|
See also references of EP1796120A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN100593221C (zh) | 2010-03-03 |
US7430809B2 (en) | 2008-10-07 |
US20070186427A1 (en) | 2007-08-16 |
EP1796120A4 (en) | 2008-09-03 |
CN1914705A (zh) | 2007-02-14 |
EP1796120A1 (en) | 2007-06-13 |
EP1796120B1 (en) | 2010-01-13 |
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