CN217542202U - Embrace pole real-time stress wireless monitoring system - Google Patents
Embrace pole real-time stress wireless monitoring system Download PDFInfo
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- CN217542202U CN217542202U CN202122835255.8U CN202122835255U CN217542202U CN 217542202 U CN217542202 U CN 217542202U CN 202122835255 U CN202122835255 U CN 202122835255U CN 217542202 U CN217542202 U CN 217542202U
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Abstract
A wireless monitoring system for real-time stress of a holding pole comprises: the system comprises a data acquisition terminal, a data receiving and transmitting processing device, an early warning device and a display control terminal; the data acquisition terminal is used for acquiring strain value digital signals of the holding pole and sending the strain value digital signals to the data receiving and transmitting processing device; the data receiving and transmitting processing terminal is used for processing the received strain value digital signals to obtain strain value data, converting the strain value data into stress value data and wirelessly transmitting the stress value data to the early warning device; the early warning device is used for comparing the received stress value data with a set early warning threshold value and sending out early warning information; sending the obtained stress value data and the early warning information to a display control terminal; the display control terminal is used for receiving and displaying the stress value data and the early warning information sent by the early warning device, sending a command for closing the hoisting equipment based on the early warning information, reducing the equipment volume, reducing the wires and monitoring the stress borne by the holding pole in real time more conveniently.
Description
Technical Field
The utility model belongs to transmission line iron tower assemblage construction field, concretely relates to embrace wireless monitoring system of pole real-time stress.
Background
In order to promote the optimization and adjustment of the energy structure and solve the problem of reverse distribution of energy consumption and energy distribution, the construction of a power grid is rapidly developed. The tower assembly is an important construction link of power grid construction, and has high cost of manpower and material resources, long construction period and high danger. The holding pole is one of important tower construction equipment for extra-high voltage and various voltage levels of a power grid, the size of the pole tower is remarkably increased along with the improvement of the voltage level of a power transmission line, and the complexity and the one-time hoisting weight of a tower material are increased more and more. In addition, the width of the power channel is limited, the distance between the parallel lines is small, the risk of capital construction is increased suddenly, and new requirements are provided for the safety, reliability and early warning system of the tower assembling equipment in the capital construction. Through strain monitoring to embracing pole key position (dangerous cross section), can obtain the stress state of embracing the pole when hoist and mount to judge whether to embrace the pole and be in dangerous state. At present, no holding pole real-time stress wireless monitoring system exists, engineering field operation mostly depends on the technical level of workers, the subjective influence is large, and certain potential safety hazards exist. The dynamic strain gauge at the present stage can realize the real-time monitoring of the strain of the holding pole, but has the following defects: 1. the equipment is large in size, needs power supply and is inconvenient to operate on site; 2. the early preparation time is long, a plurality of wires need to be arranged, and the wires are easy to break during hoisting, so that the monitoring effect is influenced; 3. the stress value can not be directly measured, and the field observation is inconvenient. The stress on the holding pole cannot be monitored conveniently and accurately in real time.
SUMMERY OF THE UTILITY MODEL
In order to overcome among the above-mentioned prior art equipment bulky, the wire too much, can't directly survey the not enough of stress value, the utility model provides a hold pole real-time stress wireless monitoring system for reduce equipment volume, convenient real-time supervision and hold pole stress that receives.
The utility model provides a holding pole real-time stress wireless monitoring system, the method comprises the following steps:
the system comprises a data acquisition terminal, a data receiving and transmitting processing device, an early warning device and a display control terminal;
the data acquisition terminal is fixed on a set monitoring point position of the holding pole and used for acquiring strain value digital signals of the holding pole and sending the strain value digital signals to the data receiving and transmitting processing device;
the data receiving and transmitting processing terminal is fixed at a set position of the holding pole and used for processing the received strain value digital signals to obtain strain value data, converting the strain value data into stress value data and transmitting the stress value data to the early warning device in a wireless manner;
the early warning device is used for comparing the received stress value data with a set early warning threshold value, and if the stress value data is greater than the set early warning threshold value, the early warning device sends out early warning information; sending the obtained stress value data and the early warning information to a display control terminal;
and the display control terminal is used for receiving and displaying the stress value data and the early warning information sent by the early warning device, and sending a command for closing the hoisting equipment based on the early warning information.
Preferably, the data acquisition terminal includes:
the strain gauge is attached to a set monitoring point position of the holding pole, and the data acquisition device is fixed to the set monitoring point position of the holding pole through a hoop;
the strain gauge is used for measuring the strain value of the holding pole in real time, converting the strain value into a strain value digital signal and transmitting the strain value digital signal to the data acquisition device;
the data acquisition device is used for recording the received strain value digital signals and sending the strain value digital signals to the data receiving and transmitting processing device.
Preferably, the data transceiving processing device is further configured to:
and verifying whether the stress value data sent to the early warning device is complete or not based on the data acquired by the data acquisition terminal.
Preferably, the setting of the early warning threshold includes:
the method comprises the steps of determining a first set early warning threshold value based on factory design stress values of a holding pole to be monitored and calculating a second set early warning threshold value based on lifting load under various working conditions and stress calculation formulas.
Preferably, the early warning device includes: an edge calculation unit;
the edge calculation unit is used for calculating a second set early warning threshold value based on the lifting capacity under various working conditions and combined with a stress calculation formula, and comparing stress value data received by the early warning device with the first set early warning threshold value and the second set early warning threshold value respectively;
and if the stress value data is larger than any set early warning threshold value, sending early warning information, otherwise, not sending the early warning information.
Preferably, the early warning device further comprises: a man-machine interaction unit and a data transmission unit;
the human-computer interaction unit is used for marking and displaying the received stress value data and the early warning information on the pole holding simulation model to form visual information;
the data transmission unit is used for transmitting the visual information to a display control terminal.
Preferably, the data transceiving processing device further comprises a power supply;
the power supply is used for supplying power to the data receiving and transmitting processing device and the data acquisition terminal;
the number of the data acquisition terminals and the number of the data receiving and transmitting processing devices are determined based on the number of the point positions to be monitored.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a embrace pole real-time stress wireless monitoring system, include: the system comprises a data acquisition terminal, a data receiving and transmitting processing device early warning device and a display control terminal; the data acquisition terminal is fixed on a set monitoring point position of the holding pole and used for acquiring strain value digital signals of the holding pole and sending the strain value digital signals to the data receiving and transmitting processing device; the data receiving and transmitting processing terminal is fixed at a set position of the holding pole and used for processing the received strain value digital signals to obtain strain value data and converting the strain value data into stress value data to be wirelessly transmitted to the early warning device; the early warning device is used for comparing the received stress value data with a set early warning threshold value, and if the stress value data is greater than the set early warning threshold value, the early warning device sends out early warning information; sending the obtained stress value data and the early warning information to a display control terminal; and the display control terminal is used for receiving and displaying the stress value data and the early warning information sent by the early warning device, and sending a command for closing the hoisting equipment based on the early warning information. The utility model discloses utilize the data acquisition terminal, data receiving and dispatching processing apparatus and early warning device are miniaturized monitoring system, utilize the strain value data that data receiving and dispatching processing apparatus will gather simultaneously to have changed the stress value data that stress value data wireless transmission gathered into for early warning device, avoided the signal line overlength to the interference of data, avoided the influence of signal line pair group tower hoist and mount process simultaneously to utilize display control terminal real-time display monitoring data to make monitoring system more directly perceived.
2. The utility model discloses a set for early warning threshold value is based on the different models that different manufacturers produced and embraces the type design test data of pole as first settlement early warning threshold value, calculates stress value through measuring the actual lifting capacity of every hoist and mount operating mode simultaneously and sets for the early warning threshold value as the second, carries out comparative analysis through stress value and settlement threshold value that will really record, and the early warning is judged accurately.
Drawings
Fig. 1 is a schematic structural view of a real-time stress wireless monitoring system for a holding pole in an embodiment of the present invention;
fig. 2 is a schematic view of the whole structure of the wireless monitoring system installed between the nodes of the holding pole in the embodiment of the present invention;
the system comprises a pole holding standard knot 1, a strain gauge 2, a connecting line 3, a data acquisition device 4, a data transmission line 5, a data receiving and transmitting processing device 6, a hoop 7, an inclined strut 8, a repeater 9, an early warning device 10 and a display control terminal.
Detailed Description
For a better understanding of the present invention, reference is made to the accompanying drawings and examples, which are set forth in the following description and are incorporated in the following description.
Example 1
The utility model provides a embrace wireless monitoring system of pole real-time stress, monitoring system, include:
the system comprises a data acquisition terminal, a data receiving and transmitting processing device 6, an early warning device and a display control terminal 10;
the data acquisition terminal is fixed on a set monitoring point position of the holding pole and used for acquiring strain value digital signals of the holding pole and sending the strain value digital signals to the data receiving and transmitting processing device 6;
the data receiving and transmitting processing terminal is fixed at a set position of the holding pole and used for processing the received strain value digital signals to obtain strain value data and converting the strain value data into stress value data to be wirelessly transmitted to the early warning device;
the early warning device is used for comparing the received stress value data with a set early warning threshold value, and if the stress value data is greater than the set early warning threshold value, the early warning device sends out early warning information; sending the obtained stress value data and the early warning information to a display control terminal;
and the display control terminal is used for receiving and displaying the stress value data and the early warning information sent by the early warning device, and sending a command for closing the hoisting equipment based on the early warning information.
Aiming at a common single holding pole, the holding pole real-time stress monitoring system is composed of 4 independent data acquisition terminals, 1 independent data receiving and transmitting processing device 6, a repeater 9, an early warning device and a display control terminal 10, as shown in fig. 1. The data acquisition terminal is composed of a strain gauge 2, a connecting wire 3 and a data acquisition device 4, and is shown in fig. 2. The data receiving and transmitting processing device 6 is provided with a power supply and can be connected with 4 data acquisition terminals through a data transmission line 5 to form 1 measurement node, and the stress data transmission with the mobile display end is realized through the repeater 9 after the data receiving and transmitting processing device 6 converts the strain data acquired by the data acquisition terminals into stress data. In addition, the number of the measuring nodes of the pole holding real-time stress monitoring system can be expanded according to the measuring requirements.
A data acquisition terminal: the strain gauge 2 is attached to key structure parts such as a main material of the pole holding standard section 1 and used for real-time measurement, and the data acquisition device 4 is fixed on the main material of the pole holding standard section 1 through a hoop 7 and used for recording strain value changes at the position under a hoisting state, as shown in figure 2.
Data transmission/reception processing device 6: and the wireless communication data checking, analyzing and processing and transmitting functions are realized by being fixed on the inclined strut 8 through bolts. The data receiving and transmitting processing device 6 mainly comprises a data acquisition terminal, a digital signal processing unit, a wireless transmission module, a data transmission module and a pre-warning device, wherein the data acquisition terminal is used for receiving push data from the data acquisition terminal, filtering and denoising the received digital signal by using the digital signal processing unit, converting a strain physical quantity into a stress physical quantity, pushing the data to the wireless transmission module after the verification of data transmission is completed, realizing wireless transmission by using the wireless transmission module, and transmitting the data to the pre-warning device.
The repeater 9: the main function is to enlarge the communication distance of the wireless network.
The early warning device: the pole holding simulation model is used for calculating the stress value under each working condition in real time as a second early warning control threshold value according to the actual lifting capacity under each hoisting working condition, the stress value obtained by real measurement is compared and analyzed with the two early warning control threshold values, if the real stress value is larger than one of the early warning threshold values, a certain part of the structure is damaged or unstable, an alarm can be generated at the moment, the mobile phone end and the mobile equipment end synchronously send out an alarm, an early warning short message is sent to an appointed person, the mobile winch is automatically locked, so that the real-time monitoring and early warning control under each hoisting working condition are realized, the test data are transmitted to the data receiving terminal in real time by the data transmission module, and the test data can be viewed, analyzed and stored in real time.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, and any modifications, equivalent alterations, improvements and the like which are made within the spirit and scope of the invention are intended to be encompassed by the claims which are appended hereto.
Claims (4)
1. The utility model provides a embrace wireless monitoring system of pole real-time stress which characterized in that includes:
the system comprises a data acquisition terminal, a data receiving and transmitting processing device, an early warning device and a display control terminal;
the data acquisition terminal is fixed on a set monitoring point position of the holding pole and used for acquiring strain value digital signals of the holding pole and sending the strain value digital signals to the data receiving and transmitting processing device;
the data receiving and transmitting processing terminal is fixed at a set position of the holding pole and used for processing the received strain value digital signals to obtain strain value data and converting the strain value data into stress value data to be wirelessly transmitted to the early warning device;
the early warning device is used for comparing the received stress value data with a set early warning threshold value, and if the stress value data is greater than the set early warning threshold value, the early warning device sends out early warning information; sending the obtained stress value data and the early warning information to a display control terminal;
and the display control terminal is used for receiving and displaying the stress value data and the early warning information sent by the early warning device, and sending a command for closing the hoisting equipment based on the early warning information.
2. The monitoring system of claim 1, wherein the data collection terminal comprises:
the strain gauge is attached to a set monitoring point of the holding pole, and the data acquisition device is fixed to the set monitoring point of the holding pole through a hoop;
the strain gauge is used for measuring the strain value of the holding pole in real time, converting the strain value into a strain value digital signal and transmitting the strain value digital signal to the data acquisition device;
the data acquisition device is used for recording the received strain value digital signals and sending the strain value digital signals to the data receiving and transmitting processing device.
3. The monitoring system of claim 1, wherein the early warning device further comprises: a man-machine interaction unit and a data transmission unit;
the human-computer interaction unit is used for marking and displaying the received stress value data and the early warning information on the pole holding simulation model to form visual information;
the data transmission unit is used for transmitting the visual information to a display control terminal.
4. The monitoring system of claim 1, wherein said data transceiver processing means further comprises, a power source;
the power supply is used for supplying power to the data receiving and transmitting processing device and the data acquisition terminal;
the number of the data acquisition terminals and the number of the data receiving and transmitting processing devices are determined based on the number of the point positions to be monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835255.8U CN217542202U (en) | 2021-11-18 | 2021-11-18 | Embrace pole real-time stress wireless monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835255.8U CN217542202U (en) | 2021-11-18 | 2021-11-18 | Embrace pole real-time stress wireless monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN217542202U true CN217542202U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122835255.8U Active CN217542202U (en) | 2021-11-18 | 2021-11-18 | Embrace pole real-time stress wireless monitoring system |
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| CN (1) | CN217542202U (en) |
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2021
- 2021-11-18 CN CN202122835255.8U patent/CN217542202U/en active Active
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