KR20110002704A - A cable-shaped sensor with measure the displacement - Google Patents

A cable-shaped sensor with measure the displacement Download PDF

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Publication number
KR20110002704A
KR20110002704A KR1020090060307A KR20090060307A KR20110002704A KR 20110002704 A KR20110002704 A KR 20110002704A KR 1020090060307 A KR1020090060307 A KR 1020090060307A KR 20090060307 A KR20090060307 A KR 20090060307A KR 20110002704 A KR20110002704 A KR 20110002704A
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KR
South Korea
Prior art keywords
unit
sensor
displacement measuring
measuring sensor
cable
Prior art date
Application number
KR1020090060307A
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Korean (ko)
Inventor
권영억
Original Assignee
권영억
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 권영억 filed Critical 권영억
Priority to KR1020090060307A priority Critical patent/KR20110002704A/en
Publication of KR20110002704A publication Critical patent/KR20110002704A/en

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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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

PURPOSE: A cable-type displacement measuring sensor is provided to facilitate installation and storage since a plurality of sensor units are connected on one cable. CONSTITUTION: A cable-type displacement measuring sensor comprises unit sensor units(200), a displacement measuring sensor(231) and a micom(210). The unit sensor units are installed on a communication cable(100) at regular intervals. The displacement measuring sensor compares measurements, which are measured in at least one direction. The micom gives unique ID to the displacement measuring sensor. The unit sensor unit comprises the displacement measuring sensor and the micom on a substrate(23). One side of the unit sensor unit is connected to a signal amplifier.

Description

A cable-shaped sensor with measure the displacement}

The present invention is a configuration in which each sensor unit arranged at a predetermined interval is connected as a communication cable, the sensor unit and the cable is composed of an integrated structure to transfer the measured value at each measurement position as a communication cable as a cable It relates to a measuring sensor.

In general, in the excavation of tunnels or other large civil engineering sites, the ground and rock composition and soil conditions are different for each of the terrain where the work is to be constructed. The construction and behavior of the structure is accurately investigated in advance and based on this, the design and construction plan of civil engineering work is planned, and the accuracy of the measuring instrument used has a significant effect on civil engineering work.

In connection with such a technique, a vibration expression displacement meter is disclosed in Korean Patent No. 529840, and its configuration is as shown in FIG. A housing holder 15 and a displacement rod holder 35, which can be fixedly installed on the housing holder, respectively, and the housing holder 15 and the displacement rod holder 35 are fixed to both sides of the building or civil engineering structure cracking. It can also be used directly as a crack meter.

In the present invention described above, since the force according to the change of the external environment is transmitted to the vibrating string 50 through the displacement rod 30, the direct shock is not transmitted to the vibrating string 50 as it is. The force is absorbed in the coil spring 60, and a substantial amount of the displacement distance of the displacement rod 30 is absorbed in the coil spring 60 is made of a configuration that transmits the remaining displacement amount to the vibrating string (50).

At this time, the coil spring 60 is coupled to the guide ram 20 to which the vibrating string 50 is coupled, and then connected to the displacement rod 30 connected to the outside of the housing 10 to be applied to the displacement rod 30. External force is to be transmitted to the vibrating string 50 through the coil spring (60).

However, the displacement meter as described above has a problem in that the structure for connecting each displacement meter is installed in a complicated structure, and the storage of the displacement meter becomes difficult, as well as a risk of loss.

An object of the present invention for improving the conventional problems as described above, to facilitate the installation and storage in a configuration that connects a plurality of sensor units on a single cable, to be miniaturized and to be easily installed, In case of damage, only a part of the sensor unit can be disposed of and reused, and a cable type displacement measuring sensor can be provided to facilitate signal transmission.

In order to achieve the above object, the present invention provides a plurality of unit sensor units for each unit length on a communication cable,

One or more displacement measuring sensors are installed in the unit sensor unit so that the measured values measured in at least one direction are compared with each other. Each unit sensor unit is assigned a recognition number by the operation of a microcomputer and measured through one communication line. It provides a cable type displacement measuring sensor that transmits the value to the outside.

According to the present invention as described above, it is easy to install and store in a configuration that connects a plurality of sensor units on one cable, can be miniaturized and easy to install, and only after discarding a part of the sensor unit in case of damage It is possible to reuse, and the signal transmission is made easy.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a diagram showing the installation state of the displacement measuring sensor according to the present invention, Figure 3 is an exploded view of the main portion showing the displacement measuring sensor of the present invention, Figure 4 is a displacement measuring sensor according to another embodiment of the present invention Is a diagram showing the installation state of the.

In the present invention, the communication cable 100 is provided with a plurality of unit sensor units 200 at regular intervals.

The unit sensor unit 200 includes one or more displacement measuring sensors 231 installed on the substrate 230 such that the measured values measured in at least one direction are compared with each other.

In addition, a microcomputer 210 is provided at one side of the displacement measuring sensor 231 to which the signal amplifier 213 is connected while giving a unique ID to each displacement measuring sensor 231.

In addition, the microcomputer 210 is installed so that the initial value of the displacement measuring sensor 231 is zero and the relative value thereof is measured.

Subsequently, the displacement measuring sensor 231 is at least one selected from an acceleration sensor, an angular velocity sensor, and a strain gauge type resistance sensor for measuring a pressure change in each direction.

On the other hand, one side of the communication cable 100 is provided with a fixture 270 for fixing the unit sensor unit 200 to one side of the communication cable at a predetermined interval to determine the position of the unit sensor unit 200 on the outside thereof Determination means 275 is further provided.

At this time, the positioning means 275 is formed as a stopper (275a) provided on the outer diameter side of the fixture and the uneven portion (275b) formed for each unit angle while being provided on the inner diameter side of the unit sensor unit to correspond to the stopper. .

The operation of the present invention having the above configuration will be described.

2 to 4, when the connector 110 connected to the end of the communication cable 100 is connected to the external output unit 130, the displacement measurement signal generated by each unit sensor unit 200 is Displayed in the output unit 130 is connected through the connector 110.

At this time, each unit sensor unit 200, by the operation of the microcomputer 210 is installed on one side of each unique ID is simultaneously given so that the signal and the unique ID to be measured at the same time.

Through the above configuration, the signal measured by each unit sensor unit 200 can be simultaneously transmitted through one communication cable to prevent signal processing failure due to interference between signals.

In addition, the unit sensor unit 200 is provided with a signal amplifier 2130 to prevent a signal failure when supplying the measurement signal supplied from another unit sensor unit 200 to another unit sensor unit 200.

In addition, the unit sensor unit 200 is connected to the communication cable 100 in series or in parallel so that even if one unit sensor unit is damaged, there is no problem in transferring the entire measurement value.

In addition, the unit sensor unit 200 is configured as one or more displacement measuring sensors 231 installed so that the measured values measured in at least one direction are compared with each other, thereby minimizing an error according to the measured values in each direction.

That is, by positioning the displacement measuring sensor 231 in different directions and comparing the values with each other, it is possible to know the exact direction of the displacement value.

In addition, the unit sensor unit 200, when connected to the communication cable 100 may be connected to determine the angle at different positions.

That is, when the angle of each unit sensor unit 200 is connected to the communication cable 100, the load value and the direction of the force can be measured at different angles. .

Subsequently, the displacement measuring sensor 231 is a direction sagging by the movement of the stress or the sensor acting as one or more selected from the acceleration sensor, the angular velocity sensor, the strain gauge type resistance sensor for measuring the pressure change in each direction and The amount of deflection can be measured.

That is, the acceleration sensor and the angular velocity sensor may be disposed in the space, but the resistance sensor is attached to the surface where the stress acts.

In addition, the unit sensor unit 200, if the displacement measurement sensor 231 as described above are sequentially installed to obtain the data of various characteristics.

In addition, the unit sensor unit 200 which is positioned at one side of the communication cable 100 at a predetermined interval is variable so as to be centered around the fastener 270 fixed to the communication cable, the fastener fixed to one side of the small communication cable When the unit sensor unit 200 is rotated through the positioning means 275 around the center 270, the determination position of the unit sensor 200 is adjusted so that an accurate change amount can be obtained when the displacement amount is measured in various directions.

At this time, the positioning means 275 is formed as a stopper (275a) provided on the outer diameter side of the fixture and on the inner diameter side of the unit sensor unit so as to correspond to the stopper and is formed as an uneven portion (275b) formed for each unit angle In the state where the stopper is pressed, the unit sensor unit is easily rotated and positioned.

1 is an external view showing a conventional displacement measuring sensor installation state.

Figure 2 is a diagram showing the installation state of the displacement measuring sensor according to the present invention.

3 is an exploded view illustrating main parts of the displacement measuring sensor according to the present invention;

4 is a diagram illustrating an installation state of a displacement measuring sensor according to another exemplary embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100.Communication cable 200 ... Unit sensor unit

Microcomm 231 displacement sensor

270 fixing fixture 275 positioning means

Claims (5)

The communication cable 100 is provided with a plurality of unit sensor units 200 at regular intervals, The unit sensor unit 200, at least one displacement measuring sensor 231 is installed so that the measured values measured in at least one direction are compared with each other, Cable type displacement consisting of a configuration for transmitting as one communication cable 100 of the measured value is provided with a microcomputer 210 to give a unique ID to each displacement measuring sensor 231 on one side of the displacement measuring sensor 231 Measuring sensor The cable type displacement measuring sensor of claim 1, wherein the unit sensor unit 200 is provided with a displacement measuring sensor and a microcomputer on a substrate 230, and one side of the unit sensor unit is further connected to a signal amplifier. The cable type displacement measuring sensor according to claim 1, wherein the microcomputer 210 is installed to measure a relative value thereof by setting the initial value of the displacement measuring sensor 231 to zero. The displacement sensor of claim 1, wherein the displacement measuring sensor 231 is any one or more selected from an acceleration sensor, an angular velocity sensor, and a strain gauge type resistance sensor for measuring a pressure change in each direction. The unit sensor unit 200 of claim 1, wherein the unit sensor unit 200 is disposed at a predetermined interval to one side of the communication cable 100, and the fixing unit 270 fixed to one side of the communication cable 100 and the positioning interposed therebetween. The means of rotation is adjusted via means 275, The positioning means 275 is formed as a stopper 275a provided on the outer diameter side of the fastener and an uneven portion 275b formed for each unit angle while being provided on the inner diameter side of the unit sensor unit so as to correspond to the stopper. Cable type displacement measuring sensor
KR1020090060307A 2009-07-02 2009-07-02 A cable-shaped sensor with measure the displacement KR20110002704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090060307A KR20110002704A (en) 2009-07-02 2009-07-02 A cable-shaped sensor with measure the displacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090060307A KR20110002704A (en) 2009-07-02 2009-07-02 A cable-shaped sensor with measure the displacement

Publications (1)

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KR20110002704A true KR20110002704A (en) 2011-01-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016111442A1 (en) * 2015-01-07 2016-07-14 주식회사 유니크 Lead wire connector and solenoid valve including same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016111442A1 (en) * 2015-01-07 2016-07-14 주식회사 유니크 Lead wire connector and solenoid valve including same

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