CN103673984A - Slope sensing device - Google Patents
Slope sensing device Download PDFInfo
- Publication number
- CN103673984A CN103673984A CN201210324435.2A CN201210324435A CN103673984A CN 103673984 A CN103673984 A CN 103673984A CN 201210324435 A CN201210324435 A CN 201210324435A CN 103673984 A CN103673984 A CN 103673984A
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- China
- Prior art keywords
- angle
- sensing apparatus
- piezoelectric patches
- slope angle
- weight
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- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides a slope sensing device. The device comprises a weight, a piezoelectric plate, a processing unit and an alarming unit, wherein the piezoelectric plate is pressed against the lower part of the weight, and is used for sensing a pressure signal F when the weight acts on the piezoelectric plate; when a slope angle is zero, the weight acts on the piezoelectric plate to generate a pressure signal F1; when the slope angle is A, the weight acts on the piezoelectric plate to generate a pressure signal F2; the processing unit is connected with the piezoelectric plate and used for receiving the pressure signals of the piezoelectric plate, and is used for calculating according to a formula that cosA is equal to F2/F1 to obtain the slope angle A, and comparing whether the slope angle A is more than a first preset dip angle or not to acquire a comparison result; the alarming unit is connected with the processing unit, is used for receiving the comparison result and sending out a first alarm signal when the slope angle A is more than the first preset dip angle. The slope sensing device can acquire the pressure signals for calculating the slope angle by utilizing the weight and the piezoelectric plate, and is relatively simple in structure.
Description
[technical field]
The present invention relates to a kind of gradient sensing apparatus, particularly a kind of gradient sensing apparatus simple in structure.
[background technology]
Automobile-used gradiometer is the product that measured automobiles inclination angle, the elevation angle and vehicle body left rotation and right rotation angle change.No matter be 4-wheel driven car or other car, all automobile-used gradiometer can be pasted and be placed in the convenient observation of automotive interior Anywhere, by automobile-used gradiometer show intuitively vehicle body in horizontality, monitor at any time vehicle body angle and change, provide driver's traffic safety information to guarantee driver's traffic safety.
Chinese patent application discloses vehicle slope sensor No. 200320116251.3, it can cognitron motor-car institute travel be level road or slope road, the gradient is how many sensor, it comprises that encapsulating shell, electrode connect post, two resistor rod, glass tube, mercury, forcing screw, O-ring seals that resistance is identical, and this sensor output terminal is connected with computing machine.
Although the vehicle slope sensor reliability that No. 200320116251.3rd, Chinese patent application is strong, accuracy rate is high, highly sensitive, there is versatility widely, structure relative complex.
[summary of the invention]
Fundamental purpose of the present invention is to provide a kind of gradient sensing apparatus simple in structure.
The invention provides a kind of gradient sensing apparatus, it comprises weight, piezoelectric patches, processing unit and alarm unit, described piezoelectric patches is pressed against described weight below, and described piezoelectric patches sensing weight acts on the pressure signal F of piezoelectric patches, when slope angle is zero, weight acts on the pressure signal F1 of piezoelectric patches; When slope angle is A, weight acts on the pressure signal F2 of piezoelectric patches; Described processing unit connects piezoelectric patches and in order to receive the pressure signal of described piezoelectric patches, and calculates slope angle A according to cosA=F2/F1, and relatively whether slope angle A is greater than the first default inclination angle, and obtains comparative result; Described alarm unit connects processing unit, and described alarm unit reception comparative result, and when slope angle A is greater than the first default inclination angle, sends the first alerting signal.
Especially, described processing unit further compares slope angle A and whether is greater than the second default inclination angle, and obtains comparative result; And when slope angle A is greater than the second default inclination angle, send the second alerting signal.
Especially, described gradient sensing apparatus is installed in car, and the described first default inclination angle is low hazardous side tipping angle.
Especially, described gradient sensing apparatus is installed in car, and the described second default inclination angle is high-risk rollover inclination angle.
Especially, described gradient sensing apparatus is located in guider.
Compared with prior art, gradient sensing apparatus of the present invention utilizes weight and piezoelectric patches can obtain for calculating the pressure signal of slope angle, relatively simple for structure.
[accompanying drawing explanation]
Fig. 1 is the functional-block diagram of gradient sensing apparatus of the present invention.
Fig. 2 is the pressure that weight acts on piezoelectric patches when slope angle is zero.
Fig. 3 is the pressure that weight acts on piezoelectric patches when the gradient is A.
[embodiment]
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the invention provides a kind of gradient sensing apparatus, it comprises weight 10, piezoelectric patches 20, processing unit 30 and alarm unit 40, described piezoelectric patches 20 is pressed against described weight 10 belows, and described piezoelectric patches 20 sensing weights 10 act on the pressure signal F of piezoelectric patches 20, when slope angle is zero, weight 10 acts on the pressure signal F1 of piezoelectric patches 20, now, F1 equals the gravity of weight 10; When slope angle is A, weight 10 acts on the pressure signal F2 of piezoelectric patches 20, now, and the component of the gravity that F2 equals weight 10 direction on perpendicular to piezoelectric patches 20; Described processing unit 30 connects piezoelectric patches 20 and in order to receive the pressure signal of described piezoelectric patches 20, and calculates slope angle A according to cosA=F2/F1, and relatively whether slope angle A is greater than the first default inclination angle, and obtains comparative result; Described alarm unit 40 connects processing unit 30, and described alarm unit 40 reception comparative results, and when slope angle A is greater than the first default inclination angle, alarm unit 40 sends the first alerting signal.In the present embodiment, described processing unit 30 further compares slope angle A and whether is greater than the second default inclination angle, and obtains comparative result; And when slope angle A is greater than the second default inclination angle, alarm unit 40 sends the second alerting signal.In the present embodiment, described gradient sensing apparatus is located in guider.Described gradient sensing apparatus is installed in car, and the described first default inclination angle is low hazardous side tipping angle, can point out driver to notice that low dangerous rollover may; And the described second default inclination angle is high-risk rollover inclination angle, can point out driver to note high-risk rollover possibility, should take preventive measures immediately.
Gradient sensing apparatus of the present invention utilizes weight 10 and piezoelectric patches 20 can obtain for calculating the pressure signal of slope angle, relatively simple for structure.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (5)
1. a gradient sensing apparatus, is characterized in that comprising:
Weight;
Piezoelectric patches, it is pressed against described weight below, and described piezoelectric patches sensing weight acts on the pressure signal F of piezoelectric patches, and when slope angle is zero, weight acts on the pressure signal F1 of piezoelectric patches; When slope angle is A, weight acts on the pressure signal F2 of piezoelectric patches;
Processing unit, it connects piezoelectric patches and in order to receive the pressure signal of described piezoelectric patches, and calculates slope angle A according to cosA=F2/F1, and relatively whether slope angle A is greater than the first default inclination angle, and obtains comparative result;
Alarm unit, it connects processing unit, and described alarm unit reception comparative result, and when slope angle A is greater than the first default inclination angle, sends the first alerting signal.
2. gradient sensing apparatus according to claim 1, is characterized in that: described processing unit further compares slope angle A and whether is greater than the second default inclination angle, and obtains comparative result; And when slope angle A is greater than the second default inclination angle, send the second alerting signal.
3. gradient sensing apparatus according to claim 1, is characterized in that: described gradient sensing apparatus is installed in car, and the described first default inclination angle is low hazardous side tipping angle.
4. gradient sensing apparatus according to claim 1, is characterized in that: described gradient sensing apparatus is installed in car, and the described second default inclination angle is high-risk rollover inclination angle.
5. gradient sensing apparatus according to claim 1, is characterized in that: described gradient sensing apparatus is located in guider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324435.2A CN103673984A (en) | 2012-09-05 | 2012-09-05 | Slope sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324435.2A CN103673984A (en) | 2012-09-05 | 2012-09-05 | Slope sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103673984A true CN103673984A (en) | 2014-03-26 |
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ID=50312258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210324435.2A Pending CN103673984A (en) | 2012-09-05 | 2012-09-05 | Slope sensing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103673984A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166817A (en) * | 1984-02-09 | 1985-08-30 | Aisin Warner Ltd | Inclination detector |
| US4858331A (en) * | 1986-09-11 | 1989-08-22 | Schenck-Auto-Service-Gerate Gmbh | Method and apparatus for measurement of caster, king-pin-inclination, and camber on motor vehicles |
| CN1085656A (en) * | 1992-09-30 | 1994-04-20 | 易通公司 | A kind of angle of gradient and acceleration transducer |
| CN201410925Y (en) * | 2009-06-09 | 2010-02-24 | 湖南科技大学 | Intelligent vehicle overturn detection remote rescue device |
| CN201707757U (en) * | 2010-02-08 | 2011-01-12 | 徐工集团工程机械股份有限公司建设机械分公司 | Tilting alarm system and concrete pump truck with the same |
-
2012
- 2012-09-05 CN CN201210324435.2A patent/CN103673984A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166817A (en) * | 1984-02-09 | 1985-08-30 | Aisin Warner Ltd | Inclination detector |
| US4858331A (en) * | 1986-09-11 | 1989-08-22 | Schenck-Auto-Service-Gerate Gmbh | Method and apparatus for measurement of caster, king-pin-inclination, and camber on motor vehicles |
| CN1085656A (en) * | 1992-09-30 | 1994-04-20 | 易通公司 | A kind of angle of gradient and acceleration transducer |
| CN201410925Y (en) * | 2009-06-09 | 2010-02-24 | 湖南科技大学 | Intelligent vehicle overturn detection remote rescue device |
| CN201707757U (en) * | 2010-02-08 | 2011-01-12 | 徐工集团工程机械股份有限公司建设机械分公司 | Tilting alarm system and concrete pump truck with the same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |