CN208206366U - It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system - Google Patents
It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system Download PDFInfo
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- CN208206366U CN208206366U CN201820907582.5U CN201820907582U CN208206366U CN 208206366 U CN208206366 U CN 208206366U CN 201820907582 U CN201820907582 U CN 201820907582U CN 208206366 U CN208206366 U CN 208206366U
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Abstract
It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, including strain gauge, strain gauge is connect with node gateway communication, and node gateway is communicated to connect by base station and Cloud Server, and Cloud Server is communicated to connect by base station and the end PC.The strain gauge is connect by transmitting wirelessly end with node gateway communication.The strain gauge connects wireless transmission end by transducer connection cable.The utility model be not necessarily to cumbersome wiring, quickly complete the laying of monitoring point, can effectively solve it is existing based on cable stress acquisition mode layout it is cumbersome, long term monitoring can be realized without external power supply.
Description
Technical field
The utility model relates to a kind of, and the fastener based on technology of Internet of things monitors system, the axial stress for fastener
Monitoring.
Background technique
Fastener typically refers to the auxiliary connection being made of anchor pole, anchor bolt, bolt or stud and nut and applies axial stress
To the part for the effect that is fastenedly connected, application is throughout every field.The axial stress of fastener is monitored on-line, for assessment
It fastener connection effect and fatigue life, is all of great significance, and the long-term real-time online prison of the stress of domestic fastener areas
It surveys, substantially belongs to blank.
Fastener shaft has the means such as strain gauge transducer, vibrating string type sensor, ultrasound detection to stress monitoring at present.Vibratory string
Installation space needed for formula sensor is big, low precision, is not suitable for fastener shaft to Stress On-Line.It is tight what is retrieved
In the stress monitoring instrument in firmware field, " stress force-measuring anchor stock and application method " (application number 201210223419.4), a kind of " anchor
Stress in the bar monitor " (application number 201621131376.7) is all made of wired communication, frequently in use, signal wire and sensor
Near joints are easy to wear, cause shielding line exposed or even signal wire poor contact.Signal cable line is not easy whole when being laid out monitoring network
Reason.In " anchor cable or the full-automatic remote-controlled monitoring of anchor rod prestress and early warning system " (patent No. 200820049469.4), adopt
With wireless communication technique, but each sensor can not directly and main computer communication, signal need to reach signal through cable
Master computer is reached again after acquisition sending device, and can not be detached from no external power supply and be realized long term monitoring.
Utility model content
The purpose of this utility model: for multi-point dispersion formula fastener shaft to the needs of stress monitoring, a kind of base is provided
In technology of Internet of things fastener shaft to stress monitoring system.
The technical solution adopted in the utility model:
It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, including strain gauge 1, strain gauge
1 communicates to connect with node gateway 4, and node gateway 4 is communicated to connect by base station and Cloud Server 8, Cloud Server 8 by base station with
The end PC 6 communicates to connect.
The strain gauge 1 is communicated to connect by wireless transmission end 2 and node gateway 4.
The strain gauge 1 passes through the connection wireless transmission of transducer connection cable 3 end 2.
The wireless transmission end 2 includes the MCU20 communicated to connect with strain gauge 1, connection and node gateway on MCU20
The communication module 21 of 4 communication connections.
The MCU20 connection photovoltaic generating module, the photovoltaic generating module include photovoltaic module 16, photovoltaic module 16 according to
Secondary connection photovoltaic lithium battery charging module 17, battery module 18, Voltage stabilizing module 19, Voltage stabilizing module 19 connect MCU20.
The battery module 18 is lithium battery.
The strain gauge 1 is annular strain gauge transducer.
The Cloud Server 8 and mobile terminal 5 communicate to connect.
The utility model has the beneficial effects that
(1) it is not necessarily to cumbersome wiring, the laying of monitoring point is quickly completed, can effectively solve the existing stress based on cable and adopt
Mode set layout is cumbersome,
(2) long term monitoring can be realized without external power supply.
Detailed description of the invention
Fig. 1 is the system architecture diagram of the utility model.
Fig. 2 is the system principle diagram of the utility model sensor wireless transmitting terminal.
Fig. 3 is the utility model sensor wireless transmitting terminal appearance schematic diagram.
Fig. 4 is special sensor appearance schematic diagram used in the utility model.
Fig. 5 is the connection method one of the utility model sensor and sensor wireless transmitting terminal.
Fig. 6 is the connection method two of the utility model sensor and sensor wireless transmitting terminal.
Fig. 7 is that the utility model is realized for a long time without the mounting means schematic diagram of external power supply monitoring function.
Fig. 8 is the mounting means detail drawing of the utility model.
1- strain gauge in figure, 2- sensor wireless transmitting terminal, 3- transducer connection cable, 4- node gateway, 5- are moved
Dynamic control terminal, 6-PC control terminal, 7- Network Operator networks base station, 8- Cloud Server, 9- nut, 10- flange A, 11- flange B,
12- fastener, 13- gasket, 14- sensor connect socket, 15- communication antenna, 16- photovoltaic module, 17- photovoltaic lithium battery intelligent
Charging module, 18- battery module, 19- Voltage stabilizing module, 20- chip, 21- communication module.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
The utility model be routed for current fastener stress monitoring it is cumbersome, the time required to monitoring node network establishment compared with
It is long, it can not remotely be monitored, it is necessary to the shortcomings that relying on external power supply, by traditional strain gauge transducer, MCU, wireless telecommunications
External member, photovoltaic module, lithium battery and the end PC, mobile terminal build a set of novel strain gauge data collection system, monitoring
Network establishment is simple, it can be achieved that long-range monitoring, is not necessarily to external power supply.
Specifically, as shown in Figure 1, the utility model includes strain gauge 1, strain gauge 1 and node gateway 4 are logical
Letter connection, node gateway 4 is communicated to connect by base station 7 and Cloud Server 8, by the signal of each strain gauge through wireless base station 7
It is sent to Cloud Server 8, Cloud Server 8 is communicated to connect by base station 7 and the end PC 6 and mobile terminal 5, data are radioed to
The end PC 6 or mobile terminal 5.
Wireless transmission end 2 can be connected on strain gauge 1, connect by wireless transmission end 2 with node gateway 4, Jin Erying
After the data that force snesor 1 detects can radio to node gateway 4, then passes through base station 7 and radios to Cloud Server 8,
It is easy to detect without wiring.
Above-mentioned wireless transmission end 2 is a wireless sending module, including a band analog-digital converter and integrated embedded
The MCU of processor and temperature sensor, model are chosen as JHM3802, driving voltage needed for can provide sensor, and will pass
Then sensor signal amplification is converted to digital signal through included ADC and is transmitted again.Wireless communication module 21 is connected on MCU, it should
Wireless communication module 21 can be carried out wireless communication with node gateway 4, and the signal of strain gauge 1 is radioed to cloud service
Device 8.Above-mentioned communication module 21 selects LoRa module.
In order to reduce the laying of power supply line, complexity when equipment arrangement is reduced, the wireless transmission end of the utility model is adopted
With solar powered.That is photovoltaic generating module is connected on MCU20, which includes photovoltaic module 16, the photovoltaic mould
Block 16 is photovoltaic panel, and the luminous energy for absorbing the sun is converted to electric energy, and the electric energy that photovoltaic module 16 is converted is filled by photovoltaic lithium battery
Electric module 17 is that the 3.7V high-performance lithium battery of battery module 18 charges, and provides cruising ability to lithium battery, realizes without external electrical
Source monitoring.And the electric energy of battery module 18 boosts to lithium battery voltage by Voltage stabilizing module 19, pressure stabilizing, by battery module 18
3.7V voltage be converted to stable 5V voltage, for MCU power.
As shown in figure 3, wireless sending module is set as a shell, housing upper face posts the photovoltaic face as photovoltaic module
Plate, and there is sensor to connect socket 14 for the side of shell, sensor connection socket 14 is for connecting strain gauge 1, shell
15 nodeless network of antenna is stretched out on body closes 4 communications.
As shown in figure 4, strain gauge 1 is selected as annular strain gauge transducer, collecting sensor signal frequency separation is
0.01HZ to 1HZ can arbitrarily set sample frequency in section.The side of annular strain gauge transducer is provided with interface, should
Interface transmits wirelessly end 2 for connection after can connecting transducer connection cable 3, can also be directly connected to sensor wireless transmitting terminal 2.
As shown in figure 5, being directly connected to the schematic diagram at wireless transmission end 2 for strain gauge.When installation space is enough, make
With this connection type, 2 side joins of wireless transmission end of strain gauge 1 are inserted directly into strain gauge side face port,
And the photovoltaic module 15 transmitted wirelessly on end 2 is adjusted to area without shade.
As shown in fig. 6, the schematic diagram at wireless transmission end is connected by transducer connection cable for strain gauge.Work as sensing
When device installation space is narrow, can according to said method it connect.Strain gauge connecting cable 3 is inserted into connecing for strain gauge 1 first
In mouthful, then in the sensor connection socket 14 on other end insertion wireless transmission end 2, finally wireless transmission end 2 is placed into
Suitably face south position.Transducer connection cable 3 is five core shielded cables, and cable ends are small-sized aviation plug, and one is public affairs
Head, one is female.
As shown in Figure 7 and Figure 8, when the utility model is used, pacifying strain gauge 1 after strain gauge 1 is connected
It is filled to monitoring point, suitable position need to be moved to maximum by then connecting strain gauge 1 and wireless transmission end 2, photovoltaic module 15
Utilize solar energy to limit.
As shown in figure 8, being a kind of mounting structure schematic diagram of the utility model, including flange 10, flange 11, fastener
12 pass through flange 10 and flange 11, and gasket 13 is passed through fastener 12 first, falls in it on flange 10, then by stress sensing
Device 1, gasket 13, nut 9 pass through fastener 12 in order and install.Gasket 13 is finally passed through into fastener 12, installation to flange 11
Lower section, then the nut 9 of 11 lower section of flange is screwed on, when applying pretightning force, according to mobile control terminal 5 or the pressure value of PC control terminal 6
Show that adjusting nut 9 is elastic.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these also should be considered as
The protection scope of the utility model.
Claims (8)
1. it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, it is characterised in that: including strain gauge
(1), strain gauge (1) and node gateway (4) communicate to connect, and node gateway (4) passes through base station and Cloud Server (8) communication link
It connects, Cloud Server (8) is communicated to connect by base station and the end PC (6).
2. it is according to claim 1 it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, feature exists
In: the strain gauge (1) is communicated to connect by wireless transmission end (2) and node gateway (4).
3. it is according to claim 2 it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, feature exists
In: the strain gauge (1) passes through transducer connection cable (3) connection wireless transmission end (2).
4. it is according to claim 2 it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, feature exists
In: it is described wireless transmission end (2) include with strain gauge (1) communication connection MCU(20), MCU(20) on connect and node
The communication module (21) of gateway (4) communication connection.
5. it is according to claim 4 it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, feature exists
In: photovoltaic generating module the MCU(20) is connected, the photovoltaic generating module includes photovoltaic module (16), photovoltaic module (16)
It is sequentially connected photovoltaic lithium battery charging module (17), battery module (18), Voltage stabilizing module (19), Voltage stabilizing module (19) connects MCU
(20).
6. it is according to claim 5 it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, feature exists
In: the battery module (18) is lithium battery.
7. it is according to claim 1 it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, feature exists
In: the strain gauge (1) is annular strain gauge transducer.
8. it is according to claim 1 it is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system, feature exists
In: the Cloud Server (8) and mobile terminal (5) communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907582.5U CN208206366U (en) | 2018-06-12 | 2018-06-12 | It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907582.5U CN208206366U (en) | 2018-06-12 | 2018-06-12 | It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN208206366U true CN208206366U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820907582.5U Active CN208206366U (en) | 2018-06-12 | 2018-06-12 | It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system |
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| CN (1) | CN208206366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060224A (en) * | 2018-07-20 | 2018-12-21 | 中船重工海为郑州高科技有限公司 | It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system |
| CN110595663A (en) * | 2019-09-11 | 2019-12-20 | 中南大学 | Looseness detecting and early warning system for large screws and screw groups |
-
2018
- 2018-06-12 CN CN201820907582.5U patent/CN208206366U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060224A (en) * | 2018-07-20 | 2018-12-21 | 中船重工海为郑州高科技有限公司 | It is a kind of based on the fastener shaft of technology of Internet of things to stress monitoring system |
| CN110595663A (en) * | 2019-09-11 | 2019-12-20 | 中南大学 | Looseness detecting and early warning system for large screws and screw groups |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 311, Science Avenue, High-tech Zone, Zhengzhou City, Henan Province, 450000 Patentee after: China Shipbuilding Haiwei High tech Co.,Ltd. Address before: 450001 NO.311, science Avenue, high tech Zone, Zhengzhou City, Henan Province Patentee before: HAIWEI ZHENGZHOU HIGH TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |