KR920003947Y1 - 진동 검출기 - Google Patents
진동 검출기 Download PDFInfo
- Publication number
- KR920003947Y1 KR920003947Y1 KR2019880014089U KR880014089U KR920003947Y1 KR 920003947 Y1 KR920003947 Y1 KR 920003947Y1 KR 2019880014089 U KR2019880014089 U KR 2019880014089U KR 880014089 U KR880014089 U KR 880014089U KR 920003947 Y1 KR920003947 Y1 KR 920003947Y1
- Authority
- KR
- South Korea
- Prior art keywords
- bush
- piezoelectric element
- insulating tube
- cylindrical portion
- vibration detector
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
- G01L23/222—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines using piezoelectric devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987150591U JPH0543391Y2 (US07923587-20110412-C00001.png) | 1987-10-01 | 1987-10-01 | |
| JP87-150591(U) | 1987-10-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890009271U KR890009271U (ko) | 1989-05-30 |
| KR920003947Y1 true KR920003947Y1 (ko) | 1992-06-13 |
Family
ID=15500233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019880014089U KR920003947Y1 (ko) | 1987-10-01 | 1988-08-29 | 진동 검출기 |
Country Status (4)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978883A (en) * | 1988-10-12 | 1990-12-18 | Mitsubishi Denki Kabushiki Kaisha | Vibration detecting device |
| DE4104961A1 (de) * | 1991-02-18 | 1992-08-20 | Siemens Ag | Verfahren und vorrichtung zur pruefung von motoren auf lagerschaeden und/oder unzulaessige vibrationen |
| DE19612541A1 (de) * | 1996-03-29 | 1997-10-02 | Bosch Gmbh Robert | Schwingungsaufnehmer und Verfahren zu dessen Herstellung |
| DE10044478C2 (de) | 2000-09-08 | 2002-11-28 | Bosch Gmbh Robert | Schwingungsaufnehmer bzw. Isolierscheibe für einen Schwingungsaufnehmer |
| JP4053514B2 (ja) * | 2004-05-26 | 2008-02-27 | 三菱電機株式会社 | 内燃機関のノッキングセンサおよびその製造方法 |
| US10416025B1 (en) * | 2013-10-28 | 2019-09-17 | Amphenol (Maryland), Inc. | Electrically isolated vibration sensor |
| CN110987158A (zh) * | 2019-11-27 | 2020-04-10 | 苏州长风航空电子有限公司 | 一种压电振动传感器组件 |
| CN110715784B (zh) * | 2019-12-12 | 2020-04-24 | 天津航天瑞莱科技有限公司 | 一种振动环境条件下的动力装置点火试验方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH619541A5 (US07923587-20110412-C00001.png) * | 1977-10-25 | 1980-09-30 | Kistler Instrumente Ag | |
| DE3025808A1 (de) * | 1979-01-22 | 1982-02-11 | Robert Bosch Gmbh, 7000 Stuttgart | Sensor |
| US4374472A (en) * | 1979-09-29 | 1983-02-22 | Nissan Motor Co., Ltd. | Vibration sensor |
| JPS5667731A (en) * | 1979-11-06 | 1981-06-08 | Nissan Motor Co Ltd | Knocking sensor |
| DE3037835C2 (de) * | 1980-10-07 | 1982-11-18 | Daimler-Benz Ag, 7000 Stuttgart | Beschleunigungsaufnehmer |
| JPS57120825A (en) * | 1981-01-21 | 1982-07-28 | Hitachi Ltd | Sensor for knocking |
| JPS5880535A (ja) * | 1981-11-10 | 1983-05-14 | Ngk Spark Plug Co Ltd | 内燃機関の制御装置 |
| JPS59115322U (ja) * | 1983-01-25 | 1984-08-03 | 日本特殊陶業株式会社 | 挟圧型圧電センサー |
| JPS59141028A (ja) * | 1983-01-31 | 1984-08-13 | Nissan Motor Co Ltd | 座金型圧力センサ |
| DE3445452A1 (de) * | 1984-12-13 | 1986-06-19 | Robert Bosch Gmbh, 7000 Stuttgart | Klopfsensor |
| US4660409A (en) * | 1984-12-18 | 1987-04-28 | Ngk Spark Plug Co., Ltd. | Piezoelectric pick-up device for internal combustion engine |
| FR2597209B1 (fr) * | 1986-04-14 | 1988-08-05 | Marchal Equip Auto | Accelerometre, notamment pour la detection du cliquetis d'un moteur a combustion interne |
-
1987
- 1987-10-01 JP JP1987150591U patent/JPH0543391Y2/ja not_active Expired - Lifetime
-
1988
- 1988-08-29 KR KR2019880014089U patent/KR920003947Y1/ko not_active IP Right Cessation
- 1988-09-26 US US07/249,738 patent/US4869095A/en not_active Expired - Lifetime
- 1988-09-29 DE DE3833363A patent/DE3833363A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| KR890009271U (ko) | 1989-05-30 |
| DE3833363A1 (de) | 1989-04-20 |
| US4869095A (en) | 1989-09-26 |
| JPH0543391Y2 (US07923587-20110412-C00001.png) | 1993-11-01 |
| JPS6455430U (US07923587-20110412-C00001.png) | 1989-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 19980526 Year of fee payment: 7 |
|
| LAPS | Lapse due to unpaid annual fee |