CN106441549B - Vibration sensor fixing device with weather proof function - Google Patents
Vibration sensor fixing device with weather proof function Download PDFInfo
- Publication number
- CN106441549B CN106441549B CN201610821336.3A CN201610821336A CN106441549B CN 106441549 B CN106441549 B CN 106441549B CN 201610821336 A CN201610821336 A CN 201610821336A CN 106441549 B CN106441549 B CN 106441549B
- Authority
- CN
- China
- Prior art keywords
- sensor
- weather
- fixed cover
- shell
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
A vibration sensor fixing device with a wind and rain preventing function is composed of a multifunctional base and a wind and rain preventing fixing cover. Compared with other sensor fixing devices, the sensor fixing device comprehensively considers factors influencing the measurement and arrangement of the sensor. The device has a weather-proof function, the connecting wire of the sensor is fixed by a movable cover plate of the fixing device, and the fixed cover can further isolate the influence of the external environment, so that the sensor is protected and the data measurement is prevented from being interfered by the weather; secondly, the multifunctional base used by the invention structurally provides a plurality of connection modes with a measured object, and the base can be fixed by selecting bonding, magnetic attraction or mechanical fixing methods according to the structural characteristics and the field environment of the measured object; and the sensor can be directly and reliably contacted with a measured object by utilizing the vertical pressing device and the sensor mounting hole reserved in the base. Because the fixing mode is flexible and convenient, and the sensor can be prevented from being damaged, the fixing effect of the sensor is effectively ensured.
Description
Technical Field
The invention relates to a vibration sensor fixing device with a wind and rain preventing function, and belongs to the technical field of sensor fixing and protecting facilities.
Background
When outdoor vibration detection or monitoring is performed, a vibration sensor is generally fixed on the surface of a measured object to acquire measurement information. At present, the fixing method of the sensor mainly comprises three modes of mechanical fixing, adhesive fixing and magnetic adsorption fixing. The mechanical fixation is that the sensor is fixed on the surface of the measured object through a fixed clamp or a fastening screw, and the measured frequency response is real and reliable; however, the method needs to drill holes on the object to be measured for fixation, cannot realize nondestructive testing, and is not suitable for the object to be measured which cannot be drilled. The magnetic adsorption fixation fixes the sensor through magnetic attraction, does not damage a measured object and is convenient to move; however, the magnetic attraction test can reduce the use frequency response of the sensor, and for non-metal materials such as concrete, a metal sheet for fixation needs to be adhered in advance, so that the adhesive layer and the adhesion condition can also influence the test precision. The sensor is fixed on the surface of a measured object by coating adhesive on the surface of the sensor, and the method is suitable for measured objects with different surfaces; however, the adhesive is directly coated on the surface of the sensor, the surface of the sensor needs to be cleaned after each use, the sensor is damaged to a certain extent, and the sensor is not suitable for impact measurement.
On the other hand, in the outdoor vibration detection or monitoring process of large civil structures such as bridges and dams, the wind and rain environment of a measurement site directly brings interference to sensor data acquisition. Under the influence of field gust, the swing of the sensor to the connecting line near the interface can bring obvious disturbance and deviation to the measured data; rainwater easily enters the interface of the sensor, so that the phenomena of unstable data uploading and false alarm of the sensor are caused. Although wind and rain have a great influence on the sensor, they are not paid attention to many times.
Disclosure of Invention
The invention aims to provide a weather-proof multifunctional vibration sensor fixing device which is simple in structure, convenient to install and reliable in fixing, is suitable for a measured object made of any material, improves the installation application range of the sensor, avoids the influence of adhesive and magnetic attraction on measurement, and has the functions of protecting the sensor and avoiding the influence of weather, thereby bringing great benefits to outdoor vibration detection and monitoring.
The vibration sensor fixing device comprises a multifunctional base and a weather-proof fixing cover;
the multifunctional base is a part of the fixing device which is directly contacted with a measured object and is a thin plate with a central circular through hole, the central through hole, namely a sensor mounting hole, a base connecting thread and a base mounting hole, is arranged on the multifunctional base thin plate, and the base mounting hole comprises a magnetic suction mounting hole and a screw mounting hole;
the bottom surface of the multifunctional base thin plate is a plane and is bonded with a measured object through an adhesive;
the sensor mounting hole is arranged in the center of the multifunctional base and used for placing the sensor, so that the sensor can be directly contacted with the surface of a measured object;
the base connecting thread is arranged between the central through hole and the counter bore, is used for connecting the weather-proof fixed cover and the multifunctional base, and transmits and bears the reaction force generated by the sensor pressed by the fixed cover;
the base mounting holes are in a countersunk hole form and consist of magnetic suction mounting holes and screw mounting holes, and four vertex angle areas of the multifunctional base are respectively provided with one mounting hole; the countersunk head part is a magnetic suction mounting hole and is used for placing a strong magnetic suction to provide a magnetic suction fixing mode; the through hole part is a screw mounting hole for mounting a screw to provide a rigid fixing mode.
The fixed cover of weather proof is the drum appearance, and concrete structure includes: the windproof and rainproof device comprises a windproof and rainproof fixed cover shell, a movable cover plate, a vertical pressing device and a transverse pressing and positioning device;
the bottom surface of the shell of the weather-proof fixed cover is provided with an opening and is connected with the multifunctional base through threads at the bottom; the center of the top surface of the outer shell of the weather-proof fixed cover is provided with a threaded through hole for connecting the vertical pressing device with the outer shell of the weather-proof fixed cover;
the movable cover plate is arranged on the top panel of the shell of the weather-proof fixed cover and can rotate; when the movable cover plate is unscrewed, the sensor connecting wire penetrates through the shell of the weather-proof fixed cover to be connected with the sensor; three threading holes are reserved in the movable cover plate, and the movable cover plate is screwed to compress the sensor connecting wire to play a role in fixing the connecting wire.
The vertical pressing device is positioned in the middle of the top surface of the shell of the weather-proof fixed cover and is connected with the top surface of the shell of the weather-proof fixed cover through threads; the vertical pressing device consists of a threaded rod and an upper rotating handle; the threaded rod is higher than the fixed cover shell height of weather proof slightly, can remove along the fixed cover shell direction of height of weather proof through the screw through-hole of the fixed cover shell top surface of weather proof, and the sensor is pushed down to inside screw in messenger threaded rod bottom to realize that sensor and testee firmly contact.
The transverse pressing and positioning device is arranged in the shell of the wind and rain resistant fixed cover; evenly set up four compression springs around the inner wall that is close to the fixed cover shell of weather proof, compression spring one end is fixed on the fixed cover shell of weather proof, and a little clamp plate is connected to the other end, and little clamp plate is direct and the sensor contact. When the sensor works, the sensor is placed among the four compression springs, and the elasticity of the compression springs is utilized to ensure that the sensor does not obviously move in the transverse direction.
The invention has the beneficial effects that: compared with other sensor fixing devices, the sensor fixing device comprehensively considers factors influencing the measurement and arrangement of the sensor. The device has a weather-proof function, the connecting wire of the sensor is fixed by a movable cover plate of the fixing device, and the fixed cover can further isolate the influence of the external environment, so that the sensor is protected and the data measurement is prevented from being interfered by the weather; secondly, the multifunctional base used by the invention structurally provides a plurality of connection modes with a measured object, and the base can be fixed by selecting bonding, magnetic attraction or mechanical fixing methods according to the structural characteristics and the field environment of the measured object; and the sensor can be directly and reliably contacted with a measured object by utilizing the vertical pressing device and the sensor mounting hole reserved in the base. Because the fixing mode is flexible and convenient, and the sensor can be prevented from being damaged, the fixing effect of the sensor is effectively ensured.
Drawings
FIG. 1 is a three-dimensional effect diagram of a vibration sensor mounting apparatus according to the present invention;
FIG. 2 isbase:Sub>A cross-sectional view A-A of the vibration sensor fixing apparatus of the present invention;
FIG. 3 is a cross-sectional view of a portion B-B of the weatherproof retaining cap of the present invention;
FIG. 4 is a top view of the multifunctional base of the present invention;
in the figure, 1-a multifunctional base, 2-a weather-proof fixed cover shell, 3-a vertical pressing device, 4-a transverse pressing and positioning device, 5-a movable cover plate, 6-a threading hole, 7-a base mounting hole, 8-a sensor, 9-a base connecting thread, 10-a sensor mounting hole, 11-a magnetic suction mounting hole and 12-a screw mounting hole.
Detailed description of the preferred embodiments
The fixing device of the vibration sensor consists of a multifunctional base and a weather-proof fixing cover;
the multifunctional base is a part of the fixing device which is directly contacted with a measured object and is a thin plate with a central circular through hole, the central through hole, namely a sensor mounting hole, a base connecting thread and a base mounting hole, are arranged on the multifunctional base thin plate, and the base mounting hole comprises a magnetic suction mounting hole and a screw mounting hole;
the bottom surface of the multifunctional base thin plate is a plane and is adhered with a measured object through an adhesive;
the sensor mounting hole is arranged in the center of the multifunctional base and used for placing the sensor, so that the sensor can be directly contacted with the surface of a measured object;
the base connecting thread is arranged between the central through hole, namely the sensor mounting hole, and the counter bore, is used for connecting the weather-proof fixing cover and the multifunctional base, and transmitting and bearing the reaction force generated when the fixing cover compresses the sensor;
the base mounting holes are in a countersunk hole form and consist of magnetic suction mounting holes and screw mounting holes, and four vertex angle areas of the multifunctional base are respectively provided with one mounting hole; the countersunk head part is a magnetic suction mounting hole and is used for placing a strong magnetic suction to provide a magnetic suction fixing mode; the through hole part is a screw mounting hole for mounting a screw to provide a rigid fixing mode.
The fixed cover of weather proof is the drum appearance, and concrete structure includes: the weather-proof fixed cover comprises a weather-proof fixed cover shell, a movable cover plate, a vertical pressing device and a transverse pressing and positioning device;
the bottom surface of the shell of the weather-proof fixed cover is provided with an opening and is connected with the multifunctional base through threads at the bottom; the center of the top surface of the outer shell of the weather-proof fixed cover is provided with a threaded through hole for connecting the vertical pressing device with the outer shell of the weather-proof fixed cover;
the movable cover plate is arranged on the top panel of the shell of the weather-proof fixed cover and can rotate; when the movable cover plate is unscrewed, the sensor connecting wire penetrates through the shell of the weather-proof fixed cover to be connected with the sensor; three threading holes are reserved in the movable cover plate, and the movable cover plate is screwed to compress the sensor connecting wire to play a role in fixing the connecting wire.
The vertical pressing device is positioned in the middle of the top surface of the shell of the weather-proof fixed cover and is connected with the top surface of the shell of the weather-proof fixed cover through threads; the vertical pressing device consists of a threaded rod and an upper rotating handle; the threaded rod is higher than the fixed cover shell height of weather proof slightly, can remove along the fixed cover shell direction of height of weather proof through the screw through-hole of the fixed cover shell top surface of weather proof, and the sensor is pushed down to inside screw in messenger threaded rod bottom to realize that sensor and testee firmly contact.
The transverse pressing and positioning device is arranged inside the shell of the weather-proof fixed cover; evenly set up four compression springs around the inner wall that is close to the fixed cover shell of weather proof, compression spring one end is fixed on the fixed cover shell of weather proof, and a little clamp plate is connected to the other end, and little clamp plate is direct and the sensor contact. When the sensor works, the sensor is placed among the four compression springs, and the elasticity of the compression springs is utilized to ensure that the sensor does not obviously move in the transverse direction.
The specific implementation steps are as follows:
the first step is as follows: and (4) mounting and fixing the multifunctional base. Aiming at different measured objects and actual conditions of a measurement field, a convenient and reliable fixing method is selected to fix the multifunctional base on the surface of the measured object. For the structure which cannot be damaged, the adhesive fixing mode can be selected; if the structure to be tested is made of metal or can provide a metal connecting surface, the base and the object to be tested can be adsorbed and fixed by using strong magnetic attraction; if it is allowed to provide a screw hole in the object to be measured and a high requirement is required for the connection strength, the screw can be used for rigid fixation.
The second step is that: and (4) mounting the weather-proof fixed cover and the sensor. The sensor data connecting wire penetrates through the weather-proof fixed cover through the threading hole and is connected with the sensor; fixing the plane position of the sensor through a transverse pressing positioning device; and further, the wind and rain resistant fixing cover is screwed by utilizing the matched screw threads of the fixing cover and the multifunctional base, so that the wind and rain resistant fixing cover is stably connected with the multifunctional base.
The third step: and fixing the sensor and the data connecting line. Inwards screwing in the vertical pressing device to enable the bottom of the sensor to be in close contact with the surface of the measured object, then rotating to close the movable cover plate, and fixing the data connecting wire of the sensor.
Claims (1)
1. The utility model provides a vibration sensor fixing device with weather proof function which characterized in that: the vibration sensor fixing device consists of a multifunctional base and a weather-proof fixing cover;
the multifunctional base is a part of the fixing device which is directly contacted with a measured object and is a thin plate with a central circular through hole, the central through hole, namely a sensor mounting hole, a base connecting thread and a base mounting hole, are arranged on the multifunctional base thin plate, and the base mounting hole comprises a magnetic suction mounting hole and a screw mounting hole;
the bottom surface of the multifunctional base thin plate is a plane and is bonded with a measured object through an adhesive;
the sensor mounting hole is arranged in the center of the multifunctional base and used for placing the sensor, so that the sensor can be directly contacted with the surface of a measured object;
the base connecting thread is arranged between the central through hole, namely the sensor mounting hole, and the counter bore, is used for connecting the weather-proof fixing cover and the multifunctional base, and transmitting and bearing the reaction force generated when the fixing cover compresses the sensor;
the base mounting holes are in a countersunk hole form and consist of magnetic suction mounting holes and screw mounting holes, and four vertex angle areas of the multifunctional base are respectively provided with one mounting hole; the countersunk head part is a magnetic suction mounting hole and is used for placing a strong magnetic suction to provide a magnetic suction fixing mode; the through hole part is a screw mounting hole for mounting a screw so as to provide a rigid fixing mode;
the fixed cover of weather proof is the drum appearance, and concrete structure includes: the weather-proof fixed cover comprises a weather-proof fixed cover shell, a movable cover plate, a vertical pressing device and a transverse pressing and positioning device;
the bottom surface of the shell of the weather-proof fixed cover is provided with an opening and is connected with the multifunctional base through threads at the bottom; the center of the top surface of the outer shell of the weather-proof fixed cover is provided with a threaded through hole for connecting the vertical pressing device with the outer shell of the weather-proof fixed cover;
the movable cover plate is arranged on the top panel of the shell of the weather-proof fixed cover and can rotate; when the movable cover plate is unscrewed, the sensor connecting wire penetrates through the shell of the weather-proof fixed cover to be connected with the sensor; three threading holes are reserved in the movable cover plate, and the movable cover plate is screwed tightly to compress the sensor connecting wire to play a role in fixing the connecting wire;
the vertical pressing device is positioned in the middle of the top surface of the shell of the weather-proof fixed cover and is connected with the top surface of the shell of the weather-proof fixed cover through threads; the vertical pressing device consists of a threaded rod and an upper rotating handle; the threaded rod is slightly higher than the shell of the weather-proof fixed cover, can move along the height direction of the shell of the weather-proof fixed cover through the threaded through hole on the top surface of the shell of the weather-proof fixed cover, and is screwed inwards to enable the bottom of the threaded rod to press the sensor, so that the sensor is firmly contacted with a measured object;
the transverse pressing and positioning device is arranged inside the shell of the weather-proof fixed cover; four compression springs are uniformly arranged on the periphery of the inner wall close to the shell of the weather-proof fixed cover, one ends of the compression springs are fixed on the shell of the weather-proof fixed cover, the other ends of the compression springs are connected with a small pressing plate, and the small pressing plate is directly contacted with the sensor; when the sensor works, the sensor is placed among the four compression springs, and the elasticity of the compression springs is utilized to ensure that the sensor does not obviously move in the transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821336.3A CN106441549B (en) | 2016-09-13 | 2016-09-13 | Vibration sensor fixing device with weather proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821336.3A CN106441549B (en) | 2016-09-13 | 2016-09-13 | Vibration sensor fixing device with weather proof function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106441549A CN106441549A (en) | 2017-02-22 |
| CN106441549B true CN106441549B (en) | 2023-04-07 |
Family
ID=58168014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610821336.3A Active CN106441549B (en) | 2016-09-13 | 2016-09-13 | Vibration sensor fixing device with weather proof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441549B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981904A (en) * | 2018-06-22 | 2018-12-11 | 苏州频聿精密机械有限公司 | A kind of Portable mounting base of vibration sensor |
| CN109357750B (en) * | 2018-09-19 | 2020-09-11 | 国家电网有限公司 | Mounting protection device of vibration sensor |
| CN114111864A (en) * | 2021-11-04 | 2022-03-01 | 中广核研究院有限公司 | Sensor fixing device |
| CN114114388B (en) * | 2021-11-28 | 2024-01-23 | 中交第四公路工程局有限公司 | Microseism monitoring sensor and cable protection device for tunnel drilling and blasting method construction |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050008005A (en) * | 2003-07-14 | 2005-01-21 | 한국표준과학연구원 | A Transverse Sensitivity Measurement Device Of A Vibration Sensor |
| CN201803789U (en) * | 2010-09-17 | 2011-04-20 | 济南轨道交通装备有限责任公司 | Portable fixing device of vibrating sensor |
| JP2013019754A (en) * | 2011-07-11 | 2013-01-31 | Nec Tokin Corp | Acceleration sensor and vibration detecting device with the acceleration sensor |
| CN203232041U (en) * | 2013-03-21 | 2013-10-09 | 广东电网公司电力科学研究院 | Accelerometer sensor magnetic seat fixing device having insulation function |
| KR20140074630A (en) * | 2012-12-10 | 2014-06-18 | 스펙트리스코리아 주식회사 | Non-contact type apparatus for measuring vibration characteristics |
| CN204064275U (en) * | 2014-08-27 | 2014-12-31 | 广州大学 | A kind of New Displacement Transducer conversion and multiplying arrangement |
| CN204154687U (en) * | 2014-08-28 | 2015-02-11 | 河北工程大学 | For the calibrate AE sensor stationary installation of nonmetal test specimen |
| CN104655867A (en) * | 2014-12-19 | 2015-05-27 | 清华大学 | Quick mounting method of velocity/acceleration sensor |
| CN204594513U (en) * | 2015-04-03 | 2015-08-26 | 福建宁德核电有限公司 | A kind of probe positioning installation apparatus of ultrasonic flow meter |
| CN105000442A (en) * | 2015-07-13 | 2015-10-28 | 内蒙古自治区特种设备检验院 | Mounting seat for multi-parameter testing sensors for elevator guide rail |
| CN105067111A (en) * | 2015-09-25 | 2015-11-18 | 四川升拓检测技术有限责任公司 | Sensor coupling device suitable for vibration/fluctuation test and damping debugging method therefor |
| CN205066924U (en) * | 2015-10-23 | 2016-03-02 | 河海大学 | Displacement amplitude measuring transducer |
| CN205484389U (en) * | 2016-02-24 | 2016-08-17 | 宝钢集团新疆八一钢铁有限公司 | Driven tacho sensor unable adjustment base of a roller rest section of thick bamboo |
| CN205538847U (en) * | 2016-04-27 | 2016-08-31 | 华北理工大学 | Acoustic emission sensor fixing device |
| JP2016164500A (en) * | 2015-03-06 | 2016-09-08 | Ntn株式会社 | Vibration measuring device and vibration measuring system |
| CN206074117U (en) * | 2016-09-13 | 2017-04-05 | 南昌大学 | A kind of vibrating sensor fixing device with weather proof function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677994B (en) * | 2015-02-09 | 2018-03-16 | 四川大学 | Monoblock type acoustic emission test sensor positioner for damage of rock test |
-
2016
- 2016-09-13 CN CN201610821336.3A patent/CN106441549B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050008005A (en) * | 2003-07-14 | 2005-01-21 | 한국표준과학연구원 | A Transverse Sensitivity Measurement Device Of A Vibration Sensor |
| CN201803789U (en) * | 2010-09-17 | 2011-04-20 | 济南轨道交通装备有限责任公司 | Portable fixing device of vibrating sensor |
| JP2013019754A (en) * | 2011-07-11 | 2013-01-31 | Nec Tokin Corp | Acceleration sensor and vibration detecting device with the acceleration sensor |
| KR20140074630A (en) * | 2012-12-10 | 2014-06-18 | 스펙트리스코리아 주식회사 | Non-contact type apparatus for measuring vibration characteristics |
| CN203232041U (en) * | 2013-03-21 | 2013-10-09 | 广东电网公司电力科学研究院 | Accelerometer sensor magnetic seat fixing device having insulation function |
| CN204064275U (en) * | 2014-08-27 | 2014-12-31 | 广州大学 | A kind of New Displacement Transducer conversion and multiplying arrangement |
| CN204154687U (en) * | 2014-08-28 | 2015-02-11 | 河北工程大学 | For the calibrate AE sensor stationary installation of nonmetal test specimen |
| CN104655867A (en) * | 2014-12-19 | 2015-05-27 | 清华大学 | Quick mounting method of velocity/acceleration sensor |
| JP2016164500A (en) * | 2015-03-06 | 2016-09-08 | Ntn株式会社 | Vibration measuring device and vibration measuring system |
| CN204594513U (en) * | 2015-04-03 | 2015-08-26 | 福建宁德核电有限公司 | A kind of probe positioning installation apparatus of ultrasonic flow meter |
| CN105000442A (en) * | 2015-07-13 | 2015-10-28 | 内蒙古自治区特种设备检验院 | Mounting seat for multi-parameter testing sensors for elevator guide rail |
| CN105067111A (en) * | 2015-09-25 | 2015-11-18 | 四川升拓检测技术有限责任公司 | Sensor coupling device suitable for vibration/fluctuation test and damping debugging method therefor |
| CN205066924U (en) * | 2015-10-23 | 2016-03-02 | 河海大学 | Displacement amplitude measuring transducer |
| CN205484389U (en) * | 2016-02-24 | 2016-08-17 | 宝钢集团新疆八一钢铁有限公司 | Driven tacho sensor unable adjustment base of a roller rest section of thick bamboo |
| CN205538847U (en) * | 2016-04-27 | 2016-08-31 | 华北理工大学 | Acoustic emission sensor fixing device |
| CN206074117U (en) * | 2016-09-13 | 2017-04-05 | 南昌大学 | A kind of vibrating sensor fixing device with weather proof function |
Non-Patent Citations (1)
| Title |
|---|
| 双振型复合振动筛设计及应用;周荣慧;《石油矿场机械》;20130525;第42卷(第5期);第86-89页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106441549A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106441549B (en) | Vibration sensor fixing device with weather proof function | |
| US20210141003A1 (en) | Energy harvest split core design elements for ease of installation, high performance, and long term reliability | |
| CN206074117U (en) | A kind of vibrating sensor fixing device with weather proof function | |
| CN110456107A (en) | A kind of power failure monitoring device and method that project of transmitting and converting electricity uses | |
| CN106677812A (en) | Fiber grating force measurement anchor rod | |
| CN201476918U (en) | Combined sensor device of aerial ground wire galloping/ice covering monitoring system of electric transmission line | |
| CN206736982U (en) | A kind of pile dynamic detection sensor fixing device | |
| KR101998057B1 (en) | Sensor case having magnet inserting structure for watching power distribution | |
| CN111721256B (en) | Landscape iron tower information automatic monitoring system and method based on 5G | |
| CN210326805U (en) | Unilateral crane span structure apron locking device | |
| CN210319303U (en) | Database server monitoring device mounting bracket | |
| CN211063635U (en) | Equipment for automatically monitoring water level of well | |
| CN209992066U (en) | Power transmission line vibration monitoring device | |
| CN206096174U (en) | Acceleration sensor fixes subassembly | |
| CN202764868U (en) | Vehicle-mounted camera suitable for various mounting modes | |
| CN212003448U (en) | Sound sensor, sound acquisition device and state monitoring system for fan | |
| CN210181076U (en) | Online power quality detection system for power utilization side | |
| CN212871454U (en) | Combined fixing device of mine blasting vibration test sensor | |
| CN116183152A (en) | Method for testing impact resistance of building curtain wall | |
| JP5671743B2 (en) | Other fixtures | |
| CN205748461U (en) | A kind of Indoor Environment Detection device | |
| CN219198596U (en) | Environment detector installation component | |
| CN210894251U (en) | Moisture meter | |
| CN220706908U (en) | Meteorological monitoring device | |
| CN219825668U (en) | Adhesive type external wall external heat preservation and insulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |