CN203744916U - Strain sensor for measuring flexibility of structure - Google Patents
Strain sensor for measuring flexibility of structure Download PDFInfo
- Publication number
- CN203744916U CN203744916U CN201420048588.3U CN201420048588U CN203744916U CN 203744916 U CN203744916 U CN 203744916U CN 201420048588 U CN201420048588 U CN 201420048588U CN 203744916 U CN203744916 U CN 203744916U
- Authority
- CN
- China
- Prior art keywords
- zone
- wiring board
- transformation
- wire
- strain gauge
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to the technical field of sensors, especially to a strain sensor for measuring the flexibility of a structure. The strain sensor comprises an elastomer, a strain gauge mounted on the elastomer, a circuit board and a cover plate, wherein the elastomer comprises installation portions, and is hung at the top position of the structure to be measured via the installation portions. The strain sensor for measuring the flexibility of the structure is simple in structure, convenient to prepare, high in flexibility, precision and sealing performance, and capable of measuring the flexibility and physical quantities related to the flexibility of the structure; and especially, the strain sensor can be used for measuring microstress of a lower flexibility due to the ultrahigh flexibility.
Description
Technical field
The utility model relates to sensor technical field, relates in particular to a kind of strain gauge transducer of measuring amount of deflection.
Background technology
At present, for the measurement of structural deflection, substantially adopt the mode from externally measured displacement, displacement transducer is arranged on to the below, measured point of tested beam.When above-mentioned this test mode can only be static for beam, and the situation of the installation site sensor that has living space under beam.This kind of mode can not detect in real time to beam, for example, be just difficult to measure by this kind of mode when driving the amount of deflection of runway grider.Meanwhile, because the installing space to position transducer has requirement, so the less also just more easily realization installation of sensor bulk.
Utility model content
The purpose of this utility model is, proposes a kind of strain gauge transducer of measuring structural deflection, and it is simple in structure, sensitivity is higher, can detect in real time beam.
For achieving the above object, the utility model provides a kind of strain gauge transducer of measuring structural deflection, it comprises: elastic body, be arranged on strainometer, wiring board and cover plate on elastic body, described elastic body includes installation portion, and elastic body is suspended at the tip position place that treats geodesic structure by this installation portion.
Described elastic body includes two installation portions, is located at load transmission zone of transformation, strain regions between two installation portions, and wiring board installing zone; These wiring board installing zone two ends are also respectively equipped with wire input end and wire output end.
Wherein, described elastic body is suspended at the tip position place that treats geodesic structure by two installation portions, and this two installation portion is fixed by screw thread, or welding, bonding mode are fixedly installed in the tip position place that treats geodesic structure.
In the utility model, described strainometer is installed on strain regions, and wiring board is installed in wiring board installing zone; These wiring board two ends are all electrically connected with wire, and wherein the wire of one end is electrically connected through wire input end and strainometer, and the wire of the other end is through wire output end setting.
Concrete, described load is transmitted zone of transformation and is included the first zone of transformation and the second zone of transformation, and described the first zone of transformation is connected setting with an installation portion, and the second zone of transformation is connected with wiring board installing zone; Position between the first zone of transformation and the second zone of transformation is located in described strain regions.
Further, described wiring board is provided with testing circuit, and this testing circuit one end and strainometer are electrically connected, and the other end of testing circuit is electrically connected with the wire arranging through wire output end.
Moreover, inside and outside described strain regions, being provided with the diaphragm for sealing, strainometer is installed in strain regions by diaphragm and glue sealing.
Meanwhile, described wiring board installing zone peripheral hardware is useful on the cover plate of sealing, and wiring board is installed in wiring board installing zone by cover plate and glue sealing.
The strain gauge transducer of measurement structural deflection of the present utility model, it is simple in structure, easy to make, highly sensitive, precision is high, good seal, can measure the amount of deflection physical quantity relevant with amount of deflection of structure; Particularly its hypersensitivity, can be used for trickleer winding degree microstress and measures.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that the utility model is measured a kind of specific embodiment of strain gauge transducer of structural deflection;
Fig. 2 is the upward view of Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, 2, the utility model provides a kind of strain gauge transducer of measuring structural deflection, it comprises: elastic body 10, be arranged on strainometer, wiring board and cover plate (not shown) on elastic body 10, described elastic body 10 includes installation portion, elastic body 10 is suspended at the tip position place that treats geodesic structure (not shown) by this installation portion, this treats that geodesic structure is bent beam.The utility model is measured the strain gauge transducer of structural deflection, it arranges by special structure, not only simple in structure, easy to make, highly sensitive, precision is high, good seal, use occasion are extensive, can be directly installed on and treat that the top of geodesic structure measured point tests, install and use all more for convenience, and can detect in real time beam.
As a kind of specific embodiment of the present utility model, the elastic body 10 of described special construction includes two installation portions 11,12, is located at load (amount of deflection) transmission zone of transformation, strain regions 14 between two installation portions 11,12, and wiring board installing zone 15; These wiring board installing zone 15 two ends are also respectively equipped with wire input end 16 and wire output end 17.
Wherein, described elastic body 10 is suspended at the tip position place that treats geodesic structure by two installation portions 11,12, this two installation portion 11,12 can be fixed by screw thread, or welding, bonding mode be fixedly installed in the tip position place that treats geodesic structure, uses more for convenience.Described two installation portions 11,12 can be for being located at respectively a mounting bracket at elastic body 10 two ends, and elastic body 10 is fixed on the top for the treatment of geodesic structure by this two mounting bracket.Because the geodesic structure for the treatment of in the utility model is bent beam, the rotation of the displacement that installation of sensors end can produce beam deflection direction and the corner consistent with mounting points, and the position of two installation portions 11,12 in the utility model is inconsistent, can produce displacement difference and outer corner difference, through load, transmit zone of transformation and carry out transition transmission, cause the distortion of strain regions 14, its deflection becomes multiplication ratio with the amount of deflection of beam, and in strain regions, 14 stick strainometer (not shown) and detect and just can measure the amount of deflection of beam.Certainly, in other specific embodiments of the utility model, the installation portion of described elastic body 10 can also be installed occasion according to difference and be designed to different structures.
In the utility model, described strainometer is installed on strain regions 14, and this strainometer can adopt resistance strain gage of the prior art, and strain regions 14 adopts hollow structure, and strainometer is installed in this hollow structure.Wiring board is installed in wiring board installing zone 15, and these wiring board two ends are all electrically connected with wire (not shown), and wherein the wire of one end is electrically connected through wire input end 16 and strainometer, and the wire of the other end arranges through wire output end 17.Certainly, in other specific embodiments of the utility model, the position capable of regulating of described wire, wiring board installing zone 15, the mounting means of wire and wiring board also can be designed to different modes.
Concrete, described load is transmitted zone of transformation and is included the first zone of transformation 131 and the second zone of transformation 132, and this first zone of transformation 131 and the second zone of transformation 132 are a fluted body structure; Described the first zone of transformation 131 is connected setting with an installation portion 11, and the second zone of transformation 132 is connected with wiring board installing zone 15, and position between the first zone of transformation 131 and the second zone of transformation 132 is located in strain regions 14.It is the transitional region that amount of deflection transmission transforms that this load is transmitted zone of transformation, can realize high sensitivity and high precision.
Further, described wiring board is provided with testing circuit (not shown), and this testing circuit one end and strainometer are electrically connected, and the other end of testing circuit is electrically connected with the wire arranging through wire output end 17.Testing circuit in the utility model can directly adopt the metering circuit that in prior art, amount of deflection detects.
Moreover, inside and outside described strain regions 14, being provided with the diaphragm (not shown) for sealing, strainometer is installed in strain regions 14 by diaphragm and glue sealing.Meanwhile, described wiring board installing zone peripheral hardware is useful on the cover plate (not shown) of sealing, and wiring board is installed in wiring board installing zone 15 by cover plate and glue sealing.In the utility model, for cover plate, glue and the diaphragm sealing, can protect the parts such as strainometer, wiring board of sensor internal to avoid environmental impact; effective anti-sealing, gas, dirt etc. enter, and the strain gauge transducer that can make the utility model measure structural deflection is used under worse environment.
In sum, the strain gauge transducer of the utility model measurement structural deflection, in concrete application, adopt screw threads to fix, or the mode of welding, boning is arranged on the tip position place that treats geodesic structure by two installation portions 11,12, two installation portions 11, 12 are fixed on behind the top of geodesic structure, can there is deformation together with treating geodesic structure, so two installation portions 11, 12 all can produce certain corner and the displacement of amount of deflection direction, corner and amount of deflection direction displacement meeting are delivered to load and transmit zone of transformation, and then the multiplication that causes installation strain regions, place, strainometer position 14 is out of shape, in the strainometer resistance that is mounted in strain regions 14, change, the testing circuit that the change of strainometer resistance can be installed in wiring board installing zone 15 changes signal into and exports through being fixed on the wire at wire output end 17 places, signal and the corner of output are proportional, according to the relation of amount of deflection and corner, just can realize deflection metrology again.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a strain gauge transducer of measuring structural deflection, it is characterized in that, comprise elastic body, be arranged on strainometer, wiring board and cover plate on elastic body, described elastic body includes installation portion, and elastic body is suspended at the tip position place that treats geodesic structure by this installation portion.
2. the strain gauge transducer of measurement structural deflection as claimed in claim 1, is characterized in that, described elastic body includes two installation portions, is located at load transmission zone of transformation, strain regions between two installation portions, and wiring board installing zone; These wiring board installing zone two ends are also respectively equipped with wire input end and wire output end.
3. the strain gauge transducer of measurement structural deflection as claimed in claim 2, it is characterized in that, described elastic body is suspended at the tip position place that treats geodesic structure by two installation portions, this two installation portion is fixed by screw thread, or welding, bonding mode are fixedly installed in the tip position place that treats geodesic structure.
4. the strain gauge transducer of measurement structural deflection as claimed in claim 2, is characterized in that, described strainometer is installed on strain regions, and wiring board is installed in wiring board installing zone; These wiring board two ends are all electrically connected with wire, and wherein the wire of one end is electrically connected through wire input end and strainometer, and the wire of the other end is through wire output end setting.
5. the strain gauge transducer of measurement structural deflection as claimed in claim 2, it is characterized in that, described load is transmitted zone of transformation and is included the first zone of transformation and the second zone of transformation, and described the first zone of transformation is connected setting with an installation portion, and the second zone of transformation is connected with wiring board installing zone; Position between the first zone of transformation and the second zone of transformation is located in described strain regions.
6. the strain gauge transducer of measurement structural deflection as claimed in claim 4, it is characterized in that, described wiring board is provided with testing circuit, and this testing circuit one end and strainometer are electrically connected, and the other end of testing circuit is electrically connected with the wire arranging through wire output end.
7. the strain gauge transducer of measurement structural deflection as claimed in claim 6, is characterized in that, is provided with the diaphragm for sealing inside and outside described strain regions, and strainometer is installed in strain regions by diaphragm and glue sealing.
8. the strain gauge transducer of measurement structural deflection as claimed in claim 6, is characterized in that, described wiring board installing zone peripheral hardware is useful on the cover plate of sealing, and wiring board is installed in wiring board installing zone by cover plate and glue sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048588.3U CN203744916U (en) | 2014-01-25 | 2014-01-25 | Strain sensor for measuring flexibility of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048588.3U CN203744916U (en) | 2014-01-25 | 2014-01-25 | Strain sensor for measuring flexibility of structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744916U true CN203744916U (en) | 2014-07-30 |
Family
ID=51344704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048588.3U Expired - Fee Related CN203744916U (en) | 2014-01-25 | 2014-01-25 | Strain sensor for measuring flexibility of structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744916U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759632A (en) * | 2014-01-25 | 2014-04-30 | 重庆大唐科技股份有限公司 | Stress type sensor for measuring structural deflection |
| CN104931165A (en) * | 2015-06-29 | 2015-09-23 | 东莞市华兰海电子有限公司 | High-sensitivity stress sensor |
| CN108709492A (en) * | 2018-08-24 | 2018-10-26 | 霍丁格包尔文(苏州)电子测量技术有限公司 | A kind of hermetically sealed strain gauge transducer |
| CN109780988A (en) * | 2019-01-04 | 2019-05-21 | 大连理工大学 | The star-like cantilevered strain multiplier and design method that the strain of Multi-axial Loading machinery part surface is amplified in real time |
-
2014
- 2014-01-25 CN CN201420048588.3U patent/CN203744916U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759632A (en) * | 2014-01-25 | 2014-04-30 | 重庆大唐科技股份有限公司 | Stress type sensor for measuring structural deflection |
| CN104931165A (en) * | 2015-06-29 | 2015-09-23 | 东莞市华兰海电子有限公司 | High-sensitivity stress sensor |
| CN108709492A (en) * | 2018-08-24 | 2018-10-26 | 霍丁格包尔文(苏州)电子测量技术有限公司 | A kind of hermetically sealed strain gauge transducer |
| CN109780988A (en) * | 2019-01-04 | 2019-05-21 | 大连理工大学 | The star-like cantilevered strain multiplier and design method that the strain of Multi-axial Loading machinery part surface is amplified in real time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203744916U (en) | Strain sensor for measuring flexibility of structure | |
| CN103759632A (en) | Stress type sensor for measuring structural deflection | |
| CN205561747U (en) | Reinforced concrete and metal components warp measuring resistance strain displacement sensor | |
| CN204535644U (en) | Based on the displacement measurement system of differential transformer transducer | |
| CN103017943A (en) | Double-range pressure sensing mechanism | |
| CN203744917U (en) | Strain sensor for measuring flexibility of structure | |
| CN201964996U (en) | Calibrating device of steel rope tensometer | |
| CN201935794U (en) | Deflection detector | |
| CN203744918U (en) | Strain sensor for measuring flexibility of structure | |
| CN102829854A (en) | Suspended type fiber grating vibration sensor | |
| CN109632164A (en) | A kind of torductor and its torque measuring method based on giant magnetostrictive material piezomagnetism | |
| CN202255473U (en) | Intelligent quake-proof vortex precession flow meter | |
| CN203745168U (en) | Strain sensor for measuring flexibility of structure | |
| CN206847545U (en) | A kind of current vortex sensor tester | |
| CN207540633U (en) | A kind of liquid level detection device | |
| CN203534742U (en) | Integrated pumping well polished rod axial force and torque sensor | |
| CN106802182B (en) | Calibration method of power transmission line breeze vibration online monitoring device | |
| CN202177567U (en) | Road adhesion coefficient tester | |
| CN201607256U (en) | Integrated adjustable external-clamping type ultrasonic flowmeter | |
| CN104848895A (en) | Anti-intensive-impact and high-voltage-resistant temperature pressure sensor combined device | |
| CN205203000U (en) | Parking force measuring device of electronic parking brake system | |
| CN205670005U (en) | A kind of cross beam type sedimentometer | |
| CN204154434U (en) | For the pressure transducer of subsurface equipment | |
| CN209690051U (en) | A kind of pipeline elastic element acoustic states on-Line Monitor Device | |
| CN206876273U (en) | Cantilever beam digital weighing sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Strain sensor for measuring structural deflection Effective date of registration: 20141119 Granted publication date: 20140730 Pledgee: Chongqing Sanxia bank Limited by Share Ltd. New District Branch Pledgor: CHONGQING DATA TECHNOLOGY Co.,Ltd.|CHONGQING DATA MEASUREMENT & CONTROL TECHNOLOGY Co.,Ltd. Registration number: 2014990000959 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151130 Granted publication date: 20140730 Pledgee: Chongqing Sanxia bank Limited by Share Ltd. New District Branch Pledgor: CHONGQING DATA TECHNOLOGY Co.,Ltd.|CHONGQING DATA MEASUREMENT & CONTROL TECHNOLOGY Co.,Ltd. Registration number: 2014990000959 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Strain sensor for measuring structural deflection Effective date of registration: 20151208 Granted publication date: 20140730 Pledgee: Chongqing Sanxia bank Limited by Share Ltd. New District Branch Pledgor: CHONGQING DATA TECHNOLOGY Co.,Ltd.|CHONGQING DATA MEASUREMENT & CONTROL TECHNOLOGY Co.,Ltd. Registration number: 2015990001078 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20220125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |