SU836594A1 - Fluid-jet type linear acceleration sensor - Google Patents
Fluid-jet type linear acceleration sensor Download PDFInfo
- Publication number
- SU836594A1 SU836594A1 SU792797639A SU2797639A SU836594A1 SU 836594 A1 SU836594 A1 SU 836594A1 SU 792797639 A SU792797639 A SU 792797639A SU 2797639 A SU2797639 A SU 2797639A SU 836594 A1 SU836594 A1 SU 836594A1
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- SU
- USSR - Soviet Union
- Prior art keywords
- housing
- inertial
- pressure
- spool
- sensor
- Prior art date
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Classifications
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- 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
- G01P15/03—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses by using non-electrical means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Description
(54) СТРУЙНЫЙ ДАТЧИК ЛИНЕЙНЫХ УСКОРЕНИЙ(54) JET LINEAR ACCELERATION SENSOR
1one
Изобретение относитс к области измерительных средств, в частности струйных датчиков линейных ускорений различных объектов, например летатель ных аппаратов.The invention relates to the field of measuring instruments, in particular inkjet sensors of linear accelerations of various objects, such as flying vehicles.
Известен струйный акселерометр, содержащий ксрпус, в котором выпол нены подвод щие кангшы (штуцеры), сопла (дроссели) дл расхода газа, шар, который, прикрывает сопла и удерживаетс вытекающими из сопел стру ми во взвешенном состо нии l.A jet accelerometer is known, comprising a crush in which supply kangs (nozzles) are made, nozzles (chokes) for gas flow, a ball that covers the nozzles and is kept by the jets emanating from the nozzles in a suspended state l.
Наиболее близким по технической сущности и достигаемому эффекту к прдлагаемому вл етс струйный датчик ускорени , родержащий корпус, полост которого представл ет собой измерительную камеру, ограниченную с одной стороны мембраной, перекрывающей отверстие в штуцере, установленном в корпусе и служащим дл подвода газа, расположенные в корпусе сопла дл расхода газа, цилиндрическую головку , прикрепленную к фланцу корпуса, в которую психеп ен инерционный поршень , жестко св занный с мембраной 123.The closest in technical essence and the achieved effect to the proposed one is an inkjet acceleration sensor, the parent body, the cavity of which is a measuring chamber, bounded on one side by a diaphragm blocking the opening in the nozzle installed in the body and serving to supply gas, located in the body gas flow nozzles, a cylindrical head attached to the flange of the housing, into which the inertial piston is rigidly connected to the membrane 123.
Однако в услови х вращени объекта (летательного аппарата), на котором они установлены, отличаетс низка точность измерени . Это обусловлено их реакцией не только на полезный сигнал, св занный с линейным ускорением объекта, но и на паразитный сигнал , возникающий вследствие про влени центробежных сил, действующих на датчик.However, under the conditions of rotation of the object (aircraft) on which they are installed, the measurement accuracy is low. This is due to their reaction not only to the useful signal associated with the linear acceleration of the object, but also to the parasitic signal resulting from the manifestation of centrifugal forces acting on the sensor.
Кроме того, в известных датчиках в случае резкого перепада давлени во внешней среде, который может иметь место, например, при спуске объекта в атмосфере с большой скоростью, возникает значительное изменение расхода газа через расходные сопла независимо от того, что ускорение объекта остаетс посто нным. Это изменение расхода также приводит к погрешности в показани х датчика.In addition, in the known sensors, in the event of an abrupt pressure drop in the external environment, which can occur, for example, when an object is lowered in the atmosphere at high speed, a significant change in gas flow occurs through the flow nozzles, regardless of the acceleration of the object remaining constant. This change in flow also leads to an error in the sensor readings.
Цель изобретени - повшаение точности измерений ускорени .The purpose of the invention is to increase the accuracy of acceleration measurements.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792797639A SU836594A1 (en) | 1979-07-16 | 1979-07-16 | Fluid-jet type linear acceleration sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792797639A SU836594A1 (en) | 1979-07-16 | 1979-07-16 | Fluid-jet type linear acceleration sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
SU836594A1 true SU836594A1 (en) | 1981-06-07 |
Family
ID=20841229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU792797639A SU836594A1 (en) | 1979-07-16 | 1979-07-16 | Fluid-jet type linear acceleration sensor |
Country Status (1)
Country | Link |
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SU (1) | SU836594A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995011455A1 (en) * | 1993-10-20 | 1995-04-27 | Autoliv Development Ab | A sensor apparatus |
-
1979
- 1979-07-16 SU SU792797639A patent/SU836594A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995011455A1 (en) * | 1993-10-20 | 1995-04-27 | Autoliv Development Ab | A sensor apparatus |
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