CN107941155A - A kind of new tensile-line instrument based on line array CCD - Google Patents
A kind of new tensile-line instrument based on line array CCD Download PDFInfo
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- CN107941155A CN107941155A CN201711339707.5A CN201711339707A CN107941155A CN 107941155 A CN107941155 A CN 107941155A CN 201711339707 A CN201711339707 A CN 201711339707A CN 107941155 A CN107941155 A CN 107941155A
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- 238000009434 installation Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of new tensile-line instrument based on line array CCD, the positional information of tension wire (3) is measured, including：Line array CCD receiver, lift platform (2), source of parallel light transmitter and mounting and adjusting plate (8)；The fixation guide rail of the lift platform (2) is installed on mounting and adjusting plate (8), CCD receivers are installed on the lifting moving section upper of lift platform (2), source of parallel light transmitter is installed on the lifting moving component lower part of lift platform (2), tension wire (3) is placed between CCD receivers and source of parallel light transmitter, and CCD receivers and source of parallel light transmitter with lifting moving component the lifting moving on fixed guide rail；Photoelectric integration intelligent type displacement sensor using CCD device as core makees displacement detecting unit, and no electricity drifting problem is highly reliable, realizes real non-contact measurement, while eliminates electricity drift, ensures the long-time stability index of instrument.
Description
Technical field
It is a kind of crustal structure, basic with building the present invention relates to mechanical structure and geophysics and the earth observation field
Build the new exclusive measuring instrument of thing horizontal deformation observation, more particularly to a kind of new tensile-line instrument based on line array CCD.
Background technology
Tensile-line instrument is applied to the horizontal position of the hydraulic structure such as concrete dam, face dam, earth and rockfill dam in hydroelectric project
The instrument of long-term observation is moved, observation procedure is referred to as method of tension wire alignment.Method of tension wire alignment is tensed using between two fixed datums
Stainless steel wire is as datum line (tension wire), and datum line (tension wire) hangs weight with a stainless steel wire at both ends, or one end is consolidated
Determine the other end and hang weight, steel wire is stretched as straight line, each measuring point of building is measured in the vertical base using this straight line
The method of horizontal displacement on directrix direction.Tension wire is made of endpoint, measuring point, steel wire and survey line protection pipe, is generally located on
In the gallery of concrete dam or masonry dam difference elevation, earth and rockfill dam is then arranged on slope surface, its endpoint location is usually installed in building
Beyond thing on changeless ground, it can also abut dam body or be set directly on dam body.The instrument also may be used by the system integration
For crustal structure, basis and building horizontal deformation observation.
At present, tensile-line instrument generally uses contact type measurement, and there are the problem of electricity drift for electricity formula sensor.
Line array CCD, CCD English full name：Charge-coupled Device, Chinese full name：Charge coupled cell.Can be with
Referred to as ccd image sensor, is also image controller.Line array CCD i.e. line scan image sensor.Line array CCD：With row's picture
The scanned picture of element, does and exposes three times --- three color filter of red, green, blue is corresponded respectively to, it is linear to pass as represented by title
Sensor is to catch one dimensional image.Simple in structure, cost is relatively low.Since the number of its single photosensitive unit can be made very much,
On the premise of equal measurement accuracy, its measurement range can be done larger, and since line array CCD real-time Transmission light-to-current inversion is believed
Number and self-scanning speed is fast, frequency response is high, can realize that dynamic measures, and can work under low-light (level), so line array CCD is wide
Apply generally in many fields such as product size measurement and classification, noncontact dimension measurement, bar code
The content of the invention
The object of the present invention is to provide a kind of new tensile-line instrument based on line array CCD, the photoelectricity using CCD device as core
Integrated intelligent displacement sensor makees displacement detecting unit, and no electricity drifting problem is highly reliable, realizes really non-contact
Formula measures, while eliminates electricity drift, ensures the long-time stability index of instrument.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of new tensile-line instrument based on line array CCD, measures the positional information of tension wire 3, including：Linear array
CCD receivers, lift platform 2, source of parallel light transmitter and mounting and adjusting plate 8；
The fixation guide rail of the lift platform 2 is installed on mounting and adjusting plate 8, and CCD receivers are installed on lift platform 2
Lifting moving section upper, source of parallel light transmitter is installed on the lifting moving component lower part of lift platform 2, to tension wire 3
It is placed between CCD receivers and source of parallel light transmitter, and CCD receivers are being consolidated with source of parallel light transmitter with lifting moving component
Determine lifting moving on guide rail；
The CCD receivers are built in CCD receiver shells 1, lower aperture installation CCD receivers hermetyic window 6；
The source of parallel light transmitter is built in source of parallel light transmitter housing 9, top-open installation source of parallel light
Sealed window 7.
The mounting and adjusting plate 8 is installed on bottom plate 10, and bolt hole is elongate holes, before adjustment mounting and adjusting plate 8
Installation site afterwards.
The source of parallel light transmitter housing 9 or CCD receiver shells 1 also draw connection 4 and power cord 5.
The connection 4 includes RS485 telemetry interfaces and analog output interface circuit.
The CCD receiver shells 1 in source of parallel light transmitter housing 9 with being equipped with heater element.
The CCD receiver shells 1 use mold manufacturing with source of parallel light transmitter housing 9.
As seen from the above technical solution provided by the invention, one kind provided in an embodiment of the present invention is based on line array CCD
New tensile-line instrument, the photoelectric integration intelligent type displacement sensor using CCD device as core makees displacement detecting unit, no electricity
Drifting problem is learned, it is highly reliable, realize real non-contact measurement, while electricity drift is eliminated, ensure the long-term steady of instrument
Qualitative index.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of the new tensile-line instrument provided in an embodiment of the present invention based on line array CCD.
Embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of new tensile-line instrument based on line array CCD, measures the positional information of tension wire 3,
Including：Line array CCD receiver, lift platform 2, source of parallel light transmitter and mounting and adjusting plate 8；The mounting and adjusting plate 8 is pacified
Loaded on bottom plate 10, bolt hole is elongate holes, the front and rear installation site of adjustment mounting and adjusting plate 8.Here water is before referred to
Perpendicular to the direction of tension wire 3 in plane.
The fixation guide rail of the lift platform 2 is installed on mounting and adjusting plate 8, and CCD receivers are installed on lift platform 2
Lifting moving section upper, source of parallel light transmitter is installed on the lifting moving component lower part of lift platform 2, to tension wire 3
It is placed between CCD receivers and source of parallel light transmitter, and CCD receivers are being consolidated with source of parallel light transmitter with lifting moving component
Determine lifting moving on guide rail.
The CCD receivers are built in CCD receiver shells 1, lower aperture installation CCD receivers hermetyic window 6；Institute
The source of parallel light transmitter stated is built in source of parallel light transmitter housing 9, top-open installation source of parallel light sealed window 7.
CCD receiver shells 1 form whole protection babinet with source of parallel light transmitter housing 9, protect babinet into c-type open front.
The CCD receiver shells 1 in source of parallel light transmitter housing 9 with being equipped with heater element.Heater element can be with
Using PTC ceramics heater element, belong to known technology, which is not described herein again.Heater element prevents source of parallel light minute surface and CCD from connecing
Receive device and receive screen surfaces generation atomization condensation, influence to measure.
The source of parallel light transmitter housing 9 or CCD receiver shells 1 also draw connection 4 and power cord 5.Communication
Line 4 realizes the communication of data, there is provided RS485 telemetry interfaces and analog output interface circuit, RS485 telemetry interfaces are one general to connect
Mouthful.Power cord 5 is powered for equipment.Belong to the known technology of circuit control, which is not described herein again.
In this example, the lift platform 2 of adjustment can be vertically moved up or down by having, can vertical tension wire direction horizontal adjustment peace
Adjustment whole plate 8 and bottom plate 10.The directional light vertical irradiation CCD receivers hermetyic window 6 that source of parallel light transmitter is sent, tension wire 3
It is placed in light path, is identified, handles by CCD receivers on its shadow-casting to optical receiver, being quantized into and 3 positional information of tension wire
Corresponding data, by the positional information of continuous observation tension wire 3, realize and testee occurred level change in displacement are carried out
Observation.
In this example, the sensor arrangement of CCD receivers and the relation of protection box opening are (outer from front to back in instrument
To inner) numerical value increase.Power cord 5 and connection 4 are picked out respectively in protection babinet both sides.CCD receivers hermetyic window 6 is close with light source
Envelope window 7 uses rubber weather strip press seal.Mould system is respectively adopted with source of parallel light transmitter housing 9 in CCD receiver shells 1
Make, be such as molded, guide rail positions, accurate positioning, and interchangeability is good.
In this example, using the CCD receivers of liner CCD image sensor exploitation, it is normal that liner CCD image sensor belongs to image imaging field
Technology, microdisplacement is detected using optoelectronic integration displacement sensor, realizes Wide measuring range, high-resolution, high-precision
Spend, without excellent technical indicators such as electricity drifts.Any sensing component need not be added on tension wire, realizes real meaning
Non-contact measurement.In order to adapt to the needs of different Dam Safety Monitoring Systems, this instrument provides RS485 remote measurements
Interface and analog output interface circuit.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. a kind of new tensile-line instrument based on line array CCD, measures the positional information of tension wire (3), it is characterised in that
Including：Line array CCD receiver, lift platform (2), source of parallel light transmitter and mounting and adjusting plate (8)；
The fixation guide rail of the lift platform (2) is installed on mounting and adjusting plate (8), and CCD receivers are installed on lift platform
(2) lifting moving section upper, source of parallel light transmitter is installed on the lifting moving component lower part of lift platform (2), to drawing
Bracing cable (3) is placed between CCD receivers and source of parallel light transmitter, and CCD receivers and source of parallel light transmitter are with lifting moving
Component lifting moving on fixed guide rail；
The CCD receivers are built in CCD receiver shells (1), lower aperture installation CCD receivers hermetyic window (6)；
The source of parallel light transmitter is built in source of parallel light transmitter housing (9), and top-open installation source of parallel light is close
Seal window (7).
2. the new tensile-line instrument according to claim 1 based on line array CCD, it is characterised in that the mounting and adjusting
Plate (8) is installed on bottom plate (10), and bolt hole is elongate holes, the front and rear installation site of adjustment mounting and adjusting plate (8).
3. the new tensile-line instrument according to claim 1 or 2 based on line array CCD, it is characterised in that the directional light
Source transmitter housing (9) or CCD receiver shells (1) also draw connection (4) and power cord (5).
4. the new tensile-line instrument according to claim 1 or 2 based on line array CCD, it is characterised in that the connection
(4) RS485 telemetry interfaces and analog output interface circuit are included.
5. the new tensile-line instrument according to claim 1 or 2 based on line array CCD, it is characterised in that the CCD connects
Device housing (1) is received with being equipped with heater element in source of parallel light transmitter housing (9).
6. the new tensile-line instrument according to claim 1 or 2 based on line array CCD, it is characterised in that the CCD connects
Receive device housing (1) and use mold manufacturing with source of parallel light transmitter housing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339707.5A CN107941155B (en) | 2017-12-14 | 2017-12-14 | Lead wire appearance based on linear array CCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339707.5A CN107941155B (en) | 2017-12-14 | 2017-12-14 | Lead wire appearance based on linear array CCD |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107941155A true CN107941155A (en) | 2018-04-20 |
| CN107941155B CN107941155B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711339707.5A Active CN107941155B (en) | 2017-12-14 | 2017-12-14 | Lead wire appearance based on linear array CCD |
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| Country | Link |
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| CN (1) | CN107941155B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926196A (en) * | 2019-12-06 | 2020-03-27 | 国网福建省电力有限公司 | Automatic dehumidifying device for dam leading wire instrument |
| CN114719755A (en) * | 2022-03-09 | 2022-07-08 | 东南大学 | Ship lock wall horizontal displacement monitoring device based on visual identification and monitoring and mounting method |
| CN115014232A (en) * | 2022-08-05 | 2022-09-06 | 应急管理部国家自然灾害防治研究院 | Cross-fault horizontal deformation observation device |
| CN115077475A (en) * | 2022-06-16 | 2022-09-20 | 应急管理部国家自然灾害防治研究院 | Novel height-transmitting instrument based on linear array CCD |
| CN116678340A (en) * | 2023-07-28 | 2023-09-01 | 华能澜沧江水电股份有限公司 | Tension wire measuring device and control method thereof |
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|---|---|---|---|---|
| WO1981003698A1 (en) * | 1980-06-12 | 1981-12-24 | W Bryan | Method and apparatus for monitoring movement |
| CN2236644Y (en) * | 1994-05-23 | 1996-10-02 | 水利部南京水利水文自动化研究所 | Probe of instrument |
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| CN201269747Y (en) * | 2008-08-27 | 2009-07-08 | 南京南瑞集团公司 | Photo-electric tension wire coordinate apparatus |
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| CN205879122U (en) * | 2016-06-29 | 2017-01-11 | 北京木联能工程科技有限公司 | Double -barrelled metal of photoelectric type telemetering measurement mark appearance |
| CN207585538U (en) * | 2017-12-14 | 2018-07-06 | 中国地震局地壳应力研究所 | A kind of novel tensile-line instrument based on line array CCD |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981003698A1 (en) * | 1980-06-12 | 1981-12-24 | W Bryan | Method and apparatus for monitoring movement |
| CN2236644Y (en) * | 1994-05-23 | 1996-10-02 | 水利部南京水利水文自动化研究所 | Probe of instrument |
| CN2236642Y (en) * | 1995-04-07 | 1996-10-02 | 水利部南京水利水文自动化研究所 | Stand of instrument |
| CN201269747Y (en) * | 2008-08-27 | 2009-07-08 | 南京南瑞集团公司 | Photo-electric tension wire coordinate apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926196A (en) * | 2019-12-06 | 2020-03-27 | 国网福建省电力有限公司 | Automatic dehumidifying device for dam leading wire instrument |
| CN114719755A (en) * | 2022-03-09 | 2022-07-08 | 东南大学 | Ship lock wall horizontal displacement monitoring device based on visual identification and monitoring and mounting method |
| CN114719755B (en) * | 2022-03-09 | 2024-02-20 | 东南大学 | Ship lock wall horizontal displacement monitoring device based on visual identification and monitoring and installing method |
| CN115077475A (en) * | 2022-06-16 | 2022-09-20 | 应急管理部国家自然灾害防治研究院 | Novel height-transmitting instrument based on linear array CCD |
| CN115014232A (en) * | 2022-08-05 | 2022-09-06 | 应急管理部国家自然灾害防治研究院 | Cross-fault horizontal deformation observation device |
| CN116678340A (en) * | 2023-07-28 | 2023-09-01 | 华能澜沧江水电股份有限公司 | Tension wire measuring device and control method thereof |
| CN116678340B (en) * | 2023-07-28 | 2023-12-12 | 华能澜沧江水电股份有限公司 | Tension wire measuring device and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN107941155B (en) | 2024-06-18 |
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Country or region after: China Address after: 100085, Anning Road, Haidian District, Beijing, 1, Xisanqi Applicant after: National natural disaster prevention and Control Research Institute Ministry of emergency management Address before: 100085, Anning Road, Haidian District, Beijing, 1, Xisanqi Applicant before: THE INSTITUTE OF CRUSTAL DYNAMICS, CHINA EARTHQUAKE ADMINISTRATION Country or region before: China |
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