CN107527485B - Remote full-automatic signal channel expansion device for guided wave monitoring and application thereof - Google Patents
Remote full-automatic signal channel expansion device for guided wave monitoring and application thereof Download PDFInfo
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- CN107527485B CN107527485B CN201710669245.7A CN201710669245A CN107527485B CN 107527485 B CN107527485 B CN 107527485B CN 201710669245 A CN201710669245 A CN 201710669245A CN 107527485 B CN107527485 B CN 107527485B
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- guided wave
- switch
- base
- expansion device
- signal channel
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/30—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/36—Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention relates to a remote full-automatic signal channel extension device for guided wave monitoring, which comprises: mounting a base; a plurality of switch assemblies which are distributed on the mounting base; the rotary touch component is arranged on the mounting base, and the plurality of switch components are arranged around the rotary touch component; each switch component is connected with a wireless signal transceiver, and the rotary touch component sequentially triggers each switch component according to a set time interval so as to enable the corresponding wireless signal transceiver to be switched on to work. Compared with the prior art, the invention has the advantages of simple and efficient operation and the like, solves the problems of time and labor waste and low efficiency in the signal acquisition process of the traditional detection and monitoring technology based on guided waves, can conveniently realize the overlapping of multiple channels of the guided wave signals, and can realize the closing or the connection of different excitation-reception channels without upper limit by controlling the driving motor.
Description
Technical Field
The invention relates to a guided wave monitoring technology, in particular to a remote full-automatic signal channel expansion device for guided wave monitoring and application thereof.
Background
In the production process, the problems of equipment can be found in time for detecting and monitoring key parts of a major structure, potential safety hazards can be eliminated in time, and accidents are prevented. The guided wave has a series of advantages of long transmission distance, high sensitivity and the like. Guided wave based structure detection and monitoring techniques are widely used. In the detection and monitoring technology based on guided wave, the information of structural damage can be effectively found out by acquiring excitation-receiving signals between a plurality of sensor pairs. In the prior art, manual control is generally adopted for switching between excitation and reception of different sensors, so that the efficiency is low and errors are easy to occur. Meanwhile, the electronic channel switching device based on the original electronic control device is high in cost, and often needs multi-path line connection, so that the connection process is complex.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a remote full-automatic signal channel expansion device for guided wave monitoring and application thereof.
The purpose of the invention can be realized by the following technical scheme:
a remote fully-automatic signal path extension device for guided wave monitoring, comprising:
mounting a base;
a plurality of switch assemblies which are distributed on the mounting base;
the rotary touch component is arranged on the mounting base, and the plurality of switch components are arranged around the rotary touch component;
each switch component is connected with a wireless signal transceiver, and the rotary touch component sequentially triggers each switch component according to a set time interval so as to enable the corresponding wireless signal transceiver to be switched on to work.
The switch assembly comprises an L-shaped crank, a push handle, a spring and a switch base, the L-shaped crank is mounted on the mounting base, the push handle is connected with the L-shaped crank, the spring is arranged between the push handle and the switch base, corresponding conductive contacts are arranged on the push handle and the switch base, and the switch base is electrically connected with the wireless signal transceiver;
the rotary touch component triggers the L-shaped crank to move, so that the push handle is driven to move against the acting force of the spring, the push handle is contacted with the conductive contact on the switch base, the wireless signal transceiver is switched on to work, and after the rotary touch component leaves the L-shaped crank, the push handle is restored to the original position under the restoring force of the spring.
The L-shaped crank comprises a first connecting rod and a second connecting rod which are connected to form an L shape, one end of the second connecting rod, which is connected with the first connecting rod, is fixed on the mounting base through a bolt, and the other end of the second connecting rod is connected with the push handle.
Each L-shaped crank is wound and fixed through a flexible rope.
The end part of the push handle provided with the conductive contact, the spring and the switch base are arranged in a protective cover.
The conductive contact is a metal sheet.
The rotary touch assembly comprises a driving motor, a rotating disk and a touch piece, the touch piece is fixed on the edge of the rotating disk, the rotating disk is connected with the driving motor, and the driving motor is arranged inside the mounting base.
The installation base is arranged on the base, and the switch assemblies are distributed and fixed on the base.
A guided wave monitoring system based on the remote full-automatic signal channel expansion device for guided wave monitoring comprises a signal generator, a plurality of guided wave excitation ends, a plurality of guided wave receiving ends, a computer and the remote full-automatic signal channel expansion device, wherein the signal generator is in wireless communication connection with the guided wave excitation ends through the remote full-automatic signal channel expansion device, and the guided wave receiving ends are in wireless communication connection with the computer through the remote full-automatic signal channel expansion device;
when the rotary touch component triggers a wireless signal transceiver to work according to a set time interval, the wireless signal transceiver sends a signal generator to a corresponding guided wave excitation end through a wireless network, receives a response signal of a guided wave receiving end and sends the response signal to a computer through the wireless network.
The wireless communication connection comprises a 4G communication connection, a radio communication connection or a Bluetooth communication connection.
Compared with the prior art, the invention has the following advantages:
1. the wireless signal transceiver is arranged, guided wave signal monitoring can be realized through wireless connection, and the process of connecting a wire is omitted.
2. The invention can realize the closing or the connection of different excitation-reception paths without upper limit by controlling the driving motor, and has simple operation and high efficiency.
3. The invention adopts the L-shaped crank to realize the conversion from transverse motion to longitudinal motion, and is convenient to realize the connection and disconnection of the wireless signal transceiver.
4. The invention adopts a flexible rope to wind and fix the switch component, and the switch component is flexibly controlled by the rotary touch component.
5. The invention is provided with a plurality of switch components, each switch component is connected with a wireless signal transceiver and is in one-to-one correspondence with a computer, and signal transmission of a single channel is expanded into connection of sequential multi-channel signals based on a signal wireless transmission technology.
6. The guided wave monitoring system based on the realization of the remote full-automatic signal channel extension device saves the process of connecting wires and solves the problems of high cost, complex connecting circuit and low efficiency of the existing guided wave signal extension technology.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the internal structure of a contact switch with a signal wireless transceiver module.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-2, the remote full-automatic signal channel expansion device for guided wave monitoring in this embodiment includes a plurality of mounting bases 13, switch components 1 and rotary touch components, where the switch components 1 are distributed on the mounting bases 13, the rotary touch components are arranged on the mounting bases 13, and the switch components 1 are arranged around the rotary touch components; each switch component 1 is connected with a wireless signal transceiver 8, and the rotating touch component sequentially triggers each switch component 1 according to a set time interval, so that the corresponding wireless signal transceiver 8 is switched on to work.
The switch component 1 comprises an L-shaped crank 6, a push handle 9, a spring 12 and a switch base 10, wherein the L-shaped crank 6 is arranged on a mounting base 13, the push handle 9 is connected with the L-shaped crank 6, the spring 12 is arranged between the push handle 9 and the switch base 10, corresponding conductive contacts 11 are arranged on the push handle 9 and the switch base 10, the switch base 10 is electrically connected with a wireless signal transceiver 8, and the conductive contacts 11 are metal sheets; the rotary touch component triggers the L-shaped crank 6 to move, further drives the push handle 9 to move against the acting force of the spring 12, so that the push handle 9 is contacted with the conductive contact 11 on the switch base 10, the wireless signal transceiver 8 is switched on to work, and after the rotary touch component leaves the L-shaped crank 6, the push handle 9 restores to the original position under the restoring force of the spring 12.
The L-shaped crank 6 comprises a first connecting rod and a second connecting rod which are connected to form an L shape, one end of the second connecting rod connected with the first connecting rod is fixed on the mounting base 13 through a bolt 7, and the other end of the second connecting rod is connected with the push handle 9. Each L-shaped crank 6 is wound around and secured by a flexible cord 5.
As shown in fig. 2, the end of the push handle 9 provided with the conductive contact 11, the spring 12 and the switch base 10 are disposed in a protective cover 14.
The rotary touch component comprises a driving motor, a rotating disk 4 and a touch component 3, the touch component 3 is fixed on the edge of the rotating disk 4, the rotating disk 4 is connected with the driving motor, and the driving motor is arranged inside the mounting base 13. The trigger time interval between the switch components is adjusted by adjusting the rotation speed of the driving motor.
In this embodiment, the mounting base 13 is a circular metal plate, and the plurality of switch assemblies 1 are uniformly distributed along the circumference. The number of switch modules can be set according to the diameter of the mounting base 13, and the angle between adjacent switch modules can also be adjusted as required.
In another embodiment of the present invention, the apparatus further includes a base 2, the mounting base 13 is disposed on the base 2, and the plurality of switch assemblies 1 are distributed and fixed on the base 2.
The wireless guided wave monitoring system can be realized based on the remote full-automatic signal channel expansion device for guided wave monitoring, and comprises a signal generator, a plurality of guided wave excitation ends, a plurality of guided wave receiving ends, a computer and a remote full-automatic signal channel expansion device, wherein the signal generator is in wireless communication connection with the guided wave excitation ends through the remote full-automatic signal channel expansion device, and the guided wave receiving ends are in wireless communication connection with the computer through the remote full-automatic signal channel expansion device; when the rotary touch component triggers a wireless signal transceiver 8 to work according to a set time interval, the wireless signal transceiver 8 sends a signal generator to a corresponding guided wave excitation end through a wireless network, receives a response signal of a guided wave receiving end and sends the response signal to a computer through the wireless network. The wireless communication connection includes a 4G communication connection, a radio communication connection, a bluetooth communication connection, or the like.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. A remote full-automatic signal channel extension device for guided wave monitoring, comprising:
a mounting base (13);
a plurality of switch assemblies (1) which are distributed on the mounting base (13);
the rotary touch component is arranged on the mounting base (13), and the switch components (1) are arranged around the rotary touch component;
each switch component (1) is connected with a wireless signal transceiver (8), and the rotary touch component sequentially triggers each switch component (1) according to a set time interval so as to enable the corresponding wireless signal transceiver (8) to be switched on to work;
the switch assembly (1) comprises an L-shaped crank (6), a push handle (9), a spring (12) and a switch base (10), the L-shaped crank (6) is installed on the installation base (13), the push handle (9) is connected with the L-shaped crank (6), the spring (12) is arranged between the push handle (9) and the switch base (10), the push handle (9) and the switch base (10) are provided with corresponding conductive contacts (11), and the switch base (10) is electrically connected with the wireless signal transceiver (8);
the rotary touch component triggers the L-shaped crank (6) to move, further drives the push handle (9) to move against the acting force of the spring (12), so that the push handle (9) is contacted with the conductive contact (11) on the switch base (10), the wireless signal transceiver (8) is switched on to work, and after the rotary touch component leaves the L-shaped crank (6), the push handle (9) restores to the original position under the restoring force of the spring (12).
2. The remote full-automatic signal channel expansion device for guided wave monitoring according to claim 1, wherein the L-shaped crank (6) comprises a first connecting rod and a second connecting rod which are connected and form an L shape, one end of the second connecting rod connected with the first connecting rod is fixed on the mounting base (13) through a bolt (7), and the other end of the second connecting rod is connected with the push handle (9).
3. The remote full-automatic signal channel expansion device for guided wave monitoring according to claim 1, wherein each L-shaped crank (6) is wound and fixed by a flexible rope (5).
4. The remote full-automatic signal channel expansion device for guided wave monitoring according to claim 1, wherein the end of the push handle (9) provided with the conductive contact (11), the spring (12) and the switch base (10) are disposed within a protective cover (14).
5. The remote full-automatic signal channel extension device for guided wave monitoring of claim 1, wherein the conductive contact (11) is a metal sheet.
6. The remote full-automatic signal channel expansion device for guided wave monitoring according to claim 1, wherein the rotary touch assembly comprises a driving motor, a rotating disk (4) and a touch member (3), the touch member (3) is fixed on the edge of the rotating disk (4), the rotating disk (4) is connected with the driving motor, and the driving motor is arranged inside the mounting base (13).
7. The remote full-automatic signal channel expansion device for guided wave monitoring according to claim 1, further comprising a base (2), wherein the mounting base (13) is disposed on the base (2), and the plurality of switch assemblies (1) are distributed and fixed on the base (2).
8. The guided wave monitoring system of the remote full-automatic signal channel expansion device for guided wave monitoring is characterized by comprising a signal generator, a plurality of guided wave excitation ends, a plurality of guided wave receiving ends, a computer and the remote full-automatic signal channel expansion device, wherein the signal generator is in wireless communication connection with the guided wave excitation ends through the remote full-automatic signal channel expansion device, and the guided wave receiving ends are in wireless communication connection with the computer through the remote full-automatic signal channel expansion device;
when the rotary touch component triggers a wireless signal transceiver (8) to work according to a set time interval, the wireless signal transceiver (8) sends a signal generator to a corresponding guided wave excitation end through a wireless network, receives a response signal of a guided wave receiving end and sends the response signal to a computer through the wireless network.
9. The guided wave monitoring system of claim 8, wherein the wireless communication connection comprises a 4G communication connection, a radio communication connection, or a bluetooth communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669245.7A CN107527485B (en) | 2017-08-08 | 2017-08-08 | Remote full-automatic signal channel expansion device for guided wave monitoring and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669245.7A CN107527485B (en) | 2017-08-08 | 2017-08-08 | Remote full-automatic signal channel expansion device for guided wave monitoring and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107527485A CN107527485A (en) | 2017-12-29 |
| CN107527485B true CN107527485B (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710669245.7A Active CN107527485B (en) | 2017-08-08 | 2017-08-08 | Remote full-automatic signal channel expansion device for guided wave monitoring and application thereof |
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Citations (6)
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|---|---|---|---|---|
| CN101458232A (en) * | 2009-01-09 | 2009-06-17 | 北京理工大学 | Anchor rod anchoring quality detecting instrument |
| CN102778507A (en) * | 2011-05-13 | 2012-11-14 | 中国石油天然气股份有限公司 | Petroleum storage tank bottom plate ultrasonic guided wave detection method and system |
| CN203148898U (en) * | 2013-03-22 | 2013-08-21 | 华电郑州机械设计研究院有限公司 | Ultrasonic guided-wave detecting system for steel wire rope |
| CN104749258A (en) * | 2015-03-19 | 2015-07-01 | 暨南大学 | Ultrasonic guided-wave probe array fixing device used for tube fitting detection |
| CN105738474A (en) * | 2016-04-14 | 2016-07-06 | 华南理工大学 | Needle-shaped ultrasonic guided wave detecting device and method for stranded wire structure damage |
| CN106206100A (en) * | 2016-08-31 | 2016-12-07 | 湖北盛佳电器设备有限公司 | A kind of trigger mechanism and there is the automatic switching-on device of this trigger mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009036516A (en) * | 2007-07-31 | 2009-02-19 | Hitachi-Ge Nuclear Energy Ltd | Nondestructive inspection device using guide wave and nondestructive inspection method |
-
2017
- 2017-08-08 CN CN201710669245.7A patent/CN107527485B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458232A (en) * | 2009-01-09 | 2009-06-17 | 北京理工大学 | Anchor rod anchoring quality detecting instrument |
| CN102778507A (en) * | 2011-05-13 | 2012-11-14 | 中国石油天然气股份有限公司 | Petroleum storage tank bottom plate ultrasonic guided wave detection method and system |
| CN203148898U (en) * | 2013-03-22 | 2013-08-21 | 华电郑州机械设计研究院有限公司 | Ultrasonic guided-wave detecting system for steel wire rope |
| CN104749258A (en) * | 2015-03-19 | 2015-07-01 | 暨南大学 | Ultrasonic guided-wave probe array fixing device used for tube fitting detection |
| CN105738474A (en) * | 2016-04-14 | 2016-07-06 | 华南理工大学 | Needle-shaped ultrasonic guided wave detecting device and method for stranded wire structure damage |
| CN106206100A (en) * | 2016-08-31 | 2016-12-07 | 湖北盛佳电器设备有限公司 | A kind of trigger mechanism and there is the automatic switching-on device of this trigger mechanism |
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| CN107527485A (en) | 2017-12-29 |
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