SU624171A1 - Three-component accelerometer - Google Patents
Three-component accelerometerInfo
- Publication number
- SU624171A1 SU624171A1 SU762432096A SU2432096A SU624171A1 SU 624171 A1 SU624171 A1 SU 624171A1 SU 762432096 A SU762432096 A SU 762432096A SU 2432096 A SU2432096 A SU 2432096A SU 624171 A1 SU624171 A1 SU 624171A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- accelerometer
- component accelerometer
- inertial mass
- mass
- center
- Prior art date
Links
- 230000001133 acceleration Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/09—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
- G01V1/184—Multi-component geophones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Description
Изобретение относитс к технике измерени ускорени и может быть использовано в приборах, регистриру щих величину к направление полного вектора ускорени в пространстве во внутренних точказ среды. Известны трехкрмпонентные акселе метры, предназначенные дл измерени полного вектора ускорени , использу щие общую инертную массу и три пары пьезоэлементов, расположенным по трем взаимно перпендикул рным напра лени м j . Наиболее близким по своей технической сущности к изобретению вл етс трехкомпонентный пьезоэлектрический сейсмометр, который имеет сферическую инертную массу, три пары пьезоэлементов, оси чувствительност которых расположены по трем взаимно перпендикул рным направлени м 3J . К недостаткам этого акселерометра относ тс сложность конструкции и системы центровки инертной , массы больша чувствительность к неизмер емым компонентам, отсутствие возможности проверки идентичности измер емых компонент. Целью изобретени вл етс опреде ление положени измер емых компонент полного,вектора ускорени в пространстве и проверка идентичности этих компонентов. .Это достигаетс тем, что в предлагаемом акселерометре в центре т жести инерционной массы помещен сферический источник упругих колебаний (например, выполненный в виде магнитостриктора ), шарнирно св занный с центром одного из 1пьезоэлементов, а инерционна масса выполнена жидкостной . На фиг. 1 схематически изображен в разрезе описываемый трехкомпонентный жидкостный пьезоэлектрический акселерометр; на фиг. 2 - акселерометр в наклонном положении. Жидка инерционна масса 1, например ртуть, заключена между трем парами плоских пьезоэлементов 2, оси чувствительности которых расположены по трем взаимно перпендикул рным направлени м { X , у , % ), проход щим через центр т жести икептьой массы . В центров жилкой инерционной массы помещен сферический источник упругих колебаний 3, например, магнитостриктор . Этот источник прикреплен к концу стержн 4, другой конец которого шарнирно св зан с центромThe invention relates to an acceleration measurement technique and can be used in devices registering the magnitude to the direction of the total acceleration vector in space at internal points of the medium. Three axial accelerometers are known for measuring the total acceleration vector, using a total inertial mass and three pairs of piezoelectric elements arranged along three mutually perpendicular directions j. The closest in technical essence to the invention is a three-component piezoelectric seismometer, which has a spherical inert mass, three pairs of piezoelectric elements, the axes of sensitivity of which are located in three mutually perpendicular directions 3J. The disadvantages of this accelerometer are the complexity of the design and the centering system of the inert mass, the sensitivity to the unmeasurable components is great, the lack of verification of the identity of the measured components. The aim of the invention is to determine the position of the measured components of the full, the acceleration vector in space and to verify the identity of these components. This is achieved by the fact that in the proposed accelerometer a spherical source of elastic oscillations (for example, made in the form of a magnetostrictor) hinged to the center of one of the piezoelectric elements is placed in the center of gravity of the inertial mass, and the inertial mass is liquid. FIG. 1 is a schematic sectional view of the described three-component piezoelectric accelerometer; in fig. 2 - accelerometer in an inclined position. Liquid inertial mass 1, for example, mercury, is enclosed between three pairs of flat piezoelectric elements 2, the sensitivity axes of which are located in three mutually perpendicular directions {X, y,%) passing through the center of gravity and the skeleton mass. In the centers of the vein of inertial mass placed a spherical source of elastic oscillations 3, for example, a magnetostrictor. This source is attached to the end of the rod 4, the other end of which is pivotally connected to the center
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762432096A SU624171A1 (en) | 1976-12-23 | 1976-12-23 | Three-component accelerometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762432096A SU624171A1 (en) | 1976-12-23 | 1976-12-23 | Three-component accelerometer |
Publications (1)
Publication Number | Publication Date |
---|---|
SU624171A1 true SU624171A1 (en) | 1978-07-31 |
Family
ID=20687418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU762432096A SU624171A1 (en) | 1976-12-23 | 1976-12-23 | Three-component accelerometer |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU624171A1 (en) |
-
1976
- 1976-12-23 SU SU762432096A patent/SU624171A1/en active
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