CN109163838A - Fastener Monitoring Device Based on Pressure Sensor - Google Patents
Fastener Monitoring Device Based on Pressure Sensor Download PDFInfo
- Publication number
- CN109163838A CN109163838A CN201811059546.9A CN201811059546A CN109163838A CN 109163838 A CN109163838 A CN 109163838A CN 201811059546 A CN201811059546 A CN 201811059546A CN 109163838 A CN109163838 A CN 109163838A
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- China
- Prior art keywords
- fastener
- pressure sensor
- radio frequency
- frequency identification
- alarm
- 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.)
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Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present disclosure provides a fastener monitoring device based on pressure sensor, including: the monitoring terminal is used for sending a control instruction and receiving data detected by the pressure sensor; the wireless radio frequency identification module is used for receiving a control instruction sent by the monitoring terminal, providing energy for the pressure sensor and transmitting data detected by the pressure sensor to the monitoring terminal; the pressure sensor is disposed between the fixed body and the fastener, and detects a pressure between the fixed body and the fastener.
Description
Technical field
This disclosure relates to monitoring device field more particularly to a kind of fastener monitoring device based on pressure sensor.
Background technique
The key areas such as railway construction, building bridging need largely to use the fasteners such as bolt, nut, in order to prevent component
It falls off and causes safety accident, need to inspect periodically or the fastening situation of real-time monitoring component.
Patent CN107393608A, which is disclosed, a kind of using acceleration transducer to be monitored nuclear power station loosening part
Technical solution.But since acceleration transducer itself has static drift, if it is the component slowly loosened, acceleration transducer
When identifying fastening force variation, acceleration change value, and the change only could be obtained in the case where falling off or there is larger sliding
Change is transient state, needs real-time monitoring.
The case where patent CN102298719B discloses a kind of capacitance sensor, can fall off to wrist band device from human body into
Row monitoring.But the capacitance sensor need with human body constitute capacitive sensing circuit, to contact surface requirements it is higher, and capacitor by
Temperature, humidity are affected, therefore the monitoring mode is not suitable for applying the industrial circle in environment harshness.
It can be seen that the monitoring device for the fastener applied to multiple industries is not only needed suitable for Various Complex
Environment should also facilitate installation to implement, and timely and effectively provide early warning before loosened fastener, could effectively avoid in this way
Security risk.
Summary of the invention
In order to solve at least one above-mentioned technical problem, the present disclosure proposes a kind of, and the fastener based on pressure sensor is supervised
Survey device.
According to one aspect of the disclosure, the fastener monitoring device based on pressure sensor, comprising:
Monitor terminal for sending control instruction, and receives the data of pressure sensor detection；And
Radio frequency identification module, the control instruction sent for receiving monitor terminal, provides energy for pressure sensor,
And the data of pressure sensor detection are transmitted to monitor terminal；
Pressure sensor configures between fixed body and fastener, for detecting the pressure between fixed body and fastener.
According at least one embodiment of the disclosure, radio frequency identification module includes:
Wireless radio frequency identification mark configures wireless radio frequency identification mark and pressure sensing between fixed body and fastener
Device connection；And
RFID reader is connect with monitor terminal；
Monitor terminal sends control instruction to RFID reader, and RFID reader is to less radio-frequency
Identify that label transmits energy, wireless radio frequency identification mark transmits energy to pressure sensor.
According at least one embodiment of the disclosure, monitoring device further includes microcontroller,
Wireless radio frequency identification mark transmits energy to pressure sensor by microcontroller；
Microcontroller receives the control instruction of monitor terminal by radio frequency identification module；
The data of pressure sensor are transferred to monitor terminal by radio frequency identification module by microcontroller.
According at least one embodiment of the disclosure, monitoring device further include:
Positioning unit is connect with monitor terminal, and the location information of wireless radio frequency identification mark is sent to prison by positioning unit
Control terminal；And
Alarm Unit receives the warning information that monitor terminal is sent and provides alarm.
According at least one embodiment of the disclosure, force threshold is fastened when the fastening force value of fastener is less than default fall off
When, monitor terminal generates the first warning information, the first warning information is sent to Alarm Unit, Alarm Unit is based on the first alarm
Information is alerted.
According at least one embodiment of the disclosure, force threshold is fastened when the fastening force value of fastener is equal to default fall off
When, monitor terminal generates the second warning information, the second warning information is sent to Alarm Unit, Alarm Unit is based on the second alarm
Information is alerted.
According at least one embodiment of the disclosure, when the fastening force value of fastener is greater than the default fastening force threshold that falls off
Value, and fasten force value and default when falling off the difference for fastening force threshold within the scope of predetermined difference value, monitor terminal generates third and accuses
Third warning information is sent to Alarm Unit by alert information, and Alarm Unit is based on third warning information and is alerted.
According at least one embodiment of the disclosure, warning information includes number, position and/or the fastening force of fastener
Value.
According at least one embodiment of the disclosure, pressure sensor, microcontroller and wireless radio frequency identification mark are matched
It sets in the gasket between fixed body and fastener.
According at least one embodiment of the disclosure, pressure sensor, microcontroller and wireless radio frequency identification mark are matched
It sets in the inside of fastener.
According to another aspect of the present disclosure, the fastener monitoring method based on pressure sensor, comprising:
Fastener is monitored using monitoring device as described above；
It falls off in monitor terminal setting and fastens force threshold.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is according to the whole of the fastener monitoring device based on pressure sensor of at least one embodiment of the disclosure
Body structure chart.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
In an optional embodiment of the disclosure, the fastener monitoring device based on pressure sensor, such as Fig. 1 institute
Show, comprising: configuration is between fixed body 10 and fastener 20, for detecting the pressure between fixed body 10 and fastener 20 (i.e.
The fastening force of fastener 20) pressure sensor 30；Control instruction can be sent and receive the monitor terminal of fastening force data
60；And can receive the control instruction of the transmission of monitor terminal 60, energy is provided for pressure sensor 30, and transmit fastening force number
According to radio frequency identification (Radio Frequency Identification, abbreviation RFID) module to monitor terminal 60.
As shown in Figure 1, RFID module includes RFID tag 40 and RFID reader 50.RFID tag 40 and pressure sensor
30 connections, configure between fixed body 10 and fastener 20.RFID reader 50 is connect with monitor terminal 60.Monitor terminal 60 can
To send control instruction to RFID reader 50, RFID reader 50 receives and transmits energy to RFID tag 40 after control instruction
Amount after RFID tag 40 is activated, puts aside the energy wirelessly injected and can be by the energy transmission to pressure sensor 30.
Fastener monitoring device based on pressure sensor further includes microcontroller 80.The configuration of microcontroller 80 is passed in pressure
Between sensor 30 and RFID tag 40.RFID tag 40 is connect by microcontroller 80 with pressure sensor 30.Microcontroller 80
The control instruction of monitor terminal 60 can be received by RFID tag 40.The energy that RFID tag 40 is put aside is transferred to micro-control first
Then device 80 processed transmits energy to pressure sensor 30 by microcontroller 80.Pressure sensor 30 obtains energy and can detecte
Pressure between fastener 20 and fixed body 10.Microcontroller 80 obtains fastening force data by pressure sensor 30 and is back to
RFID tag 40, RFID reader 50 read the data in RFID tag 40 and are transferred on monitor terminal 60, show result.
Fastener monitoring device based on pressure sensor further includes positioning unit 90 and Alarm Unit 70.Positioning unit 90
It is connect with monitor terminal 60, positioning unit 90 obtains the information of RFID tag 40 by monitor terminal 60, and calculates RFID mark
The location information of label 40, is back to monitor terminal 60.Alarm Unit 70 can receive the warning information of the transmission of monitor terminal 60 simultaneously
Provide alarm.
When the fastening force value of fastener 20 be less than it is default fall off fasten force threshold when, monitor terminal 60 generates the first alarm letter
First warning information is sent to Alarm Unit 70 by breath, monitor terminal 60, and Alarm Unit 70 is based on the first warning information and provides the
One alarm prompt.
When the fastening force value of fastener 20 be equal to it is default fall off fasten force threshold when, monitor terminal 60 generates the second alarm letter
Second warning information is sent to Alarm Unit 70 by breath, monitor terminal 60, and Alarm Unit 70 is based on the second warning information and provides the
Two alarm prompts.
Force threshold is fastened when the fastening force value of fastener 20 is greater than default fall off, and fastens force value and the default fastening force that falls off
When the difference of threshold value is within the scope of predetermined difference value, monitor terminal 60 generates third warning information, and monitor terminal 60 alerts third
Information is sent to Alarm Unit 70, and Alarm Unit 70 is based on third warning information and provides third alarm prompt.Wherein, above-mentioned predetermined
The setting of difference range, can make the fastening force value of fastener reach not yet it is default fall off when fastening force threshold, that is, provide
Alarm prompt.
Warning information includes number, position and the fastening force value of fastener 20.First warning information, the second warning information,
Third warning information illustrates different alarm levels.First warning information includes that fastening force is less than default fall off and fastens force threshold
The number of fastener, position and its fastening force value.Second warning information includes that fastening force is equal to default fall off and fastens force threshold
The number of fastener, position and its fastening force value.Third warning information includes that fastening force is greater than default fall off threshold value and fastening
Number, position and its fastening force of force value and default fastener of the difference for fastening force threshold within the scope of predetermined difference value that fall off
Value.
Pressure sensor 30, microcontroller 80 and RFID tag 40 can be only fitted between fixed body 10 and fastener 20
In gasket.
Pressure sensor 30, microcontroller 80 and RFID tag 40 can be only fitted to the inside of fastener 20.
According to operating condition needs, monitor terminal 60 and Alarm Unit 70 can configure 1 (as shown in Figure 1), or by having
Line wirelessly extends, and is configured to multiple.Pressure sensor 30 can according to need fastener 20 and fixed body 10 it
Between gasket in or fastener 20 inside configure one or more, the type of pressure sensor 30 can also be increased.As shown in Figure 1,
Monitored fastener 20 is 2, and 1 pressure sensor is configured in the gasket wherein between 1 fastener 20 and fixed body 10
30,1 microcontroller 80 and 1 RFID tag 40 configures 1 pressure sensor 30,1 in the inside of another fastener 20
Microcontroller 80 and 1 RFID tag 40.2 fasteners are alerted using 1 RFID reader 50,1 of monitor terminal 60,1
Unit 70 and 1 positioning unit 90.
Fastener monitoring device based on pressure sensor includes following interface channel:
Interface channel 1, the i.e. interface channel of monitor terminal 60 and positioning unit 90.Interface channel 1 can be wire communication,
It is also possible to wirelessly communicate.Information in RFID tag 40 is transferred to positioning unit 90 by interface channel 1 by monitor terminal 60,
Positioning unit 90 can calculate the position of RFID tag 40, which is equal to the position of the fastener where RFID tag 40
It sets, and the location information is back to by monitor terminal 60 by interface channel 1.
Interface channel 2, the i.e. interface channel of microcontroller 80 and RFID tag 40.By interface channel 2 by RFID tag
The energy of 40 savings is supplied to microcontroller 80, is that microcontroller 80 and pressure sensor 30 are powered.Microcontroller 80 can be with
The control instruction of monitor terminal 60 is received by interface channel 2.Microcontroller 80 is in the fastening for obtaining the acquisition of pressure sensor 30
After force data, RFID tag 40 is transferred to by interface channel 2, monitoring is further transferred to after being read by RFID reader 50 eventually
End 60.
Interface channel 3, the i.e. interface channel of microcontroller 80 and pressure sensor 30.Microcontroller 80 passes through interface channel
3 pairs of pressure sensors 30 configure, and the fastener 20 and fixed body 10 of pressure sensor detection are received by interface channel 3
Between pressure data.
Interface channel 4, the i.e. interface channel of monitor terminal 60 and RFID reader 50.Monitor terminal 60 is read by RFID
Device 50 establishes the data transmission channel between microcontroller 80.Monitor terminal 60 transmits control instruction extremely by interface channel 4
RFID reader 50, and microcontroller 80 is further transferred to by RFID tag 40.RFID reader 50 reads RFID tag
In 40 information (number of number, i.e. fastener including RFID tag, the position of the position of RFID tag, i.e. fastener, with
And the fastening force value that detects of pressure sensor) after, monitor terminal 60 is transferred to by interface channel 4.
Interface channel 5, the i.e. interface channel of monitor terminal 60 and Alarm Unit 70.Alarm Unit 70 passes through interface channel 5
The warning information and related data that monitor terminal 60 transmits are received, and the confirmation alarm of monitor terminal 60 is returned to by interface channel 5
Alarm is provided after information.
In an optional embodiment of the disclosure, the fastener monitoring method based on pressure sensor, including it is as follows
Step:
Fastener is monitored using monitoring device as described above, specifically, by the pressure sensing in monitoring device
Device 30, microcontroller 80 and the configuration of RFID tag 40 are in the gasket between monitored fastener 20 and fixed body 10 or tight
The inside of firmware 20；
It falls off in the setting of monitor terminal 60 and fastens force threshold；
Control instruction is sent by monitor terminal 60, detects the fastening force of fastener 20；
Fastening force data is read from monitor terminal 60；
When Alarm Unit 70 provides the first alarm prompt, the first warning information can be read from monitor terminal, according to the
One warning information finds the position where corresponding fastener, to repair fastening to the fastener；Likewise, when alarm
When unit 70 provides second and third alarm prompt, second and third warning information can be read from monitor terminal, according to second
The position where corresponding fastener is found with third warning information, to repair fastening to corresponding fastener.
First alarm prompt, the second alarm prompt and third alarm prompt can be the prompt of different volumes or different rhythm
Sound.
Disclosed technique scheme is by configuring pressure in the gasket inside fastener or between fastener and fixed body
Sensor carries out energy transmission and data acquisition by RFID technique to detect fastening force, reaches default fall off in fastening force
Fastening force threshold fastens force threshold or fastens force value and default fall off fastens the difference of force threshold and exist less than default fall off
When within the scope of predetermined difference value, early warning can also be provided in time and show the location information of loosening part, fastened convenient for subsequent maintenance,
Prevent security risk.The fastener monitoring device structure based on pressure sensor of the disclosure is simple, and monitoring method is easy to implement,
And it is severe due to not needing external power supply and battery power supply energy data acquisition, the complexity that can be widely applied to multiple fields
The environment at quarter has important practical application value.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059546.9A CN109163838A (en) | 2018-09-12 | 2018-09-12 | Fastener Monitoring Device Based on Pressure Sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059546.9A CN109163838A (en) | 2018-09-12 | 2018-09-12 | Fastener Monitoring Device Based on Pressure Sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109163838A true CN109163838A (en) | 2019-01-08 |
Family
ID=64894964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811059546.9A Pending CN109163838A (en) | 2018-09-12 | 2018-09-12 | Fastener Monitoring Device Based on Pressure Sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163838A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595663A (en) * | 2019-09-11 | 2019-12-20 | 中南大学 | A loose detection and early warning system for large screws and screw groups |
| CN111169505A (en) * | 2020-01-10 | 2020-05-19 | 中铁科学技术开发有限公司 | RFID-based railway detection system |
| CN112233925A (en) * | 2020-10-22 | 2021-01-15 | 国网辽宁省电力有限公司电力科学研究院 | An on-load tap-changer oil chamber pressure monitoring device and method |
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| CN104266786A (en) * | 2014-09-05 | 2015-01-07 | 武汉理工光科股份有限公司 | Bolt fastening degree online detecting system and method based on OTDR technology |
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| CN107577161A (en) * | 2016-07-05 | 2018-01-12 | 中国气动工业股份有限公司 | Monitoring system and method for bolt locking operation |
| CN207019829U (en) * | 2017-08-14 | 2018-02-16 | 湖州市特种设备检测研究院 | Bolt torque security control apparatus based on RFID |
| CN108386437A (en) * | 2018-01-11 | 2018-08-10 | 深圳市远望谷信息技术股份有限公司 | A kind of fastener |
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2018
- 2018-09-12 CN CN201811059546.9A patent/CN109163838A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630282A (en) * | 2013-11-13 | 2014-03-12 | 同济大学 | Bolt loosening monitoring method and implementation device thereof |
| CN104266786A (en) * | 2014-09-05 | 2015-01-07 | 武汉理工光科股份有限公司 | Bolt fastening degree online detecting system and method based on OTDR technology |
| CN105258836A (en) * | 2015-10-27 | 2016-01-20 | 中国铁道科学研究院铁道建筑研究所 | System and method for monitoring state of bolt |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595663A (en) * | 2019-09-11 | 2019-12-20 | 中南大学 | A loose detection and early warning system for large screws and screw groups |
| CN111169505A (en) * | 2020-01-10 | 2020-05-19 | 中铁科学技术开发有限公司 | RFID-based railway detection system |
| CN112233925A (en) * | 2020-10-22 | 2021-01-15 | 国网辽宁省电力有限公司电力科学研究院 | An on-load tap-changer oil chamber pressure monitoring device and method |
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