CN111486817A - Crossing frame stability monitoring device and method - Google Patents
Crossing frame stability monitoring device and method Download PDFInfo
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- CN111486817A CN111486817A CN202010280293.9A CN202010280293A CN111486817A CN 111486817 A CN111486817 A CN 111486817A CN 202010280293 A CN202010280293 A CN 202010280293A CN 111486817 A CN111486817 A CN 111486817A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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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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Abstract
The monitoring device comprises a mobile alarm device and a monitoring module arranged on a vertical rod, wherein the monitoring module is used for monitoring the inclination angle of the vertical rod, the monitoring module is in wireless communication connection with the mobile alarm device, and the mobile alarm device is used for processing inclination angle data and sending out an early warning signal when the inclination angle is larger than a preset inclination angle threshold value. The monitoring modules comprise a first monitoring module, a second monitoring module, a third monitoring module and a fourth monitoring module which are arranged on the 4 corner upright posts; the mechanical structure and the electrical structure of the mobile alarm device are the same, and the mobile alarm device is in wireless communication connection with the mobile alarm device and transmits monitoring data. The monitoring module comprises a shell, the shell is connected with a communication antenna and an arc clamp, and the arc clamp is fixed to the top end of a vertical rod of the crossing frame. The device and the method for monitoring the stability of the spanning frame monitor and analyze the inclination angle of the vertical rod of the spanning frame in real time, and realize the accuracy and objectivity of the acquisition of the key data of the inclination angle.
Description
Technical Field
The invention relates to the field of maintenance of power transmission line stringing construction equipment, in particular to a crossing frame stability monitoring device and method.
Background
With the continuous expansion of the construction scale of power grids in China, newly-erected overhead power transmission lines inevitably need to cross rivers, highways, railways and other lines. When constructing a newly-built line ground wire frame, in order to ensure a safe distance between the ground wire and an object to be bridged, it is necessary to set up a spanning frame between the two in advance and lay an insulating safety net. Because the crossing frame bears the insulating safety net and all the loads possibly existing above the insulating safety net, the stability of the crossing frame needs to be monitored in real time in order to ensure the safety of field construction and avoid various accidents.
The overall stability of the spanning frame mainly refers to: find out an unstable equilibrium state between the external load born by the spanning frame upright stanchion and the internal resistance of the structure, namely the state that the deformation of the upright stanchion begins to increase sharply. In the actual process of monitoring the stability of the spanning frame, the inclination degree (inclination angle) of the upright rod of the spanning frame is a main index for representing the stability of the spanning frame. At present, empirical methods are the main methods for monitoring the stability of the spanning frame, namely: constructors observe the inclination degree of the upright rods of each row of the spanning frame through optical imaging equipment, and make prejudgment on the stability of the spanning frame by combining personal construction experience and site construction conditions. Obviously, the method is greatly influenced by subjective factors of observers, the state of the crossing frame cannot be monitored and accurately judged, and potential safety hazards are high.
Disclosure of Invention
The invention provides a device and a method for monitoring stability of a spanning frame, which can solve the technical problem that the stable state of the spanning frame cannot be accurately acquired in real time in the process of monitoring the stability of the existing spanning frame.
The technical scheme adopted by the invention is as follows:
the utility model provides a crossing structure stability monitoring devices, includes mobile alarm device, establishes the monitoring module in the pole setting, and monitoring module is used for monitoring the inclination of pole setting, monitoring module and mobile alarm device wireless communication are connected, and mobile alarm device is used for handling inclination data and send early warning signal when the inclination is greater than predetermineeing the inclination threshold value.
The monitoring modules comprise a first monitoring module, a second monitoring module, a third monitoring module and a fourth monitoring module which are arranged on the 4 corner upright posts; the mechanical structure and the electrical structure of the mobile alarm device are the same, and the mobile alarm device is in wireless communication connection with the mobile alarm device and transmits monitoring data.
The monitoring module comprises a shell, the shell is connected with a communication antenna and an arc clamp, and the arc clamp is fixed to the top end of a vertical rod of the crossing frame.
A first MCU minimum module, a motion processing module, a first WIFI communication module, a first display module, a data correction module and a first power supply module are arranged in the shell; the first MCU minimum module is respectively connected with the first display module, the first WIFI communication module, the data correction module and the motion processing module, and the first power supply module is used for providing power supplies for the modules.
The shell is provided with a charging interface, a switch mounting interface and a display module mounting interface.
The arc-shaped clamp comprises 4 clamping pieces, an anti-skidding rubber pad is arranged on the inner side of each clamping piece, each clamping piece is provided with a nut and a screw, and the nuts and the screws are used for adjusting the size of the opening diameter of the arc-shaped clamp.
The shells of the first monitoring module, the second monitoring module, the third monitoring module and the fourth monitoring module are made of pure-color plastics with different striking colors, and numbers are printed on the shells for distinguishing.
The mobile alarm device comprises a second MCU minimum module, a second WIFI communication module, a second display module, an alarm device, a key module and a second power module; the second MCU minimum module is respectively connected with the second WIFI communication module, the second display module, the alarm device and the key module, and the second power module is used for providing power supplies for the modules.
Second WIFI communication module among the mobile alarm device configures to AP mode, establish as a SERVER SERVER, again with first monitoring module, the second monitoring module, the third monitoring module, first WIFI communication module among the fourth monitoring module configures to STA mode, set gradually to client C L ENT1, C L ENT2, C L ENT3, C L ENT4, after adding the AP that second WIFI communication module established, establish TCP connection with SERVER SERVER, later first, second, third, fourth monitoring module can communicate with mobile alarm device, realize the data acquisition of multichannel high-speed wireless WIFI signal.
The invention discloses a crossing frame stability monitoring device and a crossing frame stability monitoring method, which have the following technical effects:
(1): the problem that the inclination angle of the crossing frame cannot be accurately acquired in the existing crossing frame stability monitoring process is solved, and the crossing frame stability monitoring device monitors and analyzes the inclination angle of the vertical rod of the crossing frame in real time, so that the accuracy and the objectivity of acquiring key data of the inclination angle are realized.
(2): the invention is provided with four special stability monitoring modules for the upright posts, which are respectively arranged at the tops of the four corner upright posts of the crossing frame, and the ground mobile alarm device compares and analyzes the four groups of data in real time, so that the accuracy of the judgment result of whether the crossing frame is stable and reliable is ensured.
(3): the special stability monitor for the upright stanchion is in wireless WIFI communication with the ground mobile alarm device, so that the limitation of construction environment and space on data transmission is avoided, and the data measured by all the special stability monitors for the upright stanchion are uniformly managed and monitored.
(4): the special stability monitoring module for the upright stanchion adopts the arc-shaped clamp with the adjustable caliber size to be fixed with the top end of the upright stanchion of the spanning frame, and the inner side of the arc-shaped clamp is provided with the anti-skidding rubber pad, thereby ensuring the stability of the special stability monitoring monitor for the upright stanchion in the working process and eliminating the influence of the position change of the special stability monitoring module for the upright stanchion on the monitoring result.
(5): the warning device adopts the warning prompting lamp and the loudspeaker, so that a destabilization signal of the spanning frame is transmitted to field constructors in a noisy construction environment at the first time, and meanwhile, a potential dangerous pole arrangement of the spanning frame is prompted, and the purposes of early warning at the first time and conveniently eliminating hidden dangers are achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the monitoring device of the present invention.
Fig. 2 is a schematic structural diagram of a monitoring module of the monitoring device of the present invention.
Fig. 3 is a schematic structural diagram of a monitoring module of the monitoring device of the present invention.
Fig. 4 is a schematic diagram showing connection of each functional module of the monitoring device of the present invention.
Fig. 5 is a schematic connection diagram of each functional module of the mobile alarm device of the monitoring device of the present invention.
Fig. 6 is a flow chart of a monitoring method of the monitoring device of the present invention.
Fig. 7 is a flow chart of data processing of the mobile alarm device of the monitoring device of the present invention.
Fig. 8 is a schematic view of a real-time monitoring interface of the mobile alarm device of the monitoring device of the present invention.
Detailed Description
As shown in fig. 1-5, a crossing structure stability monitoring device comprises a mobile alarm device 6 and a monitoring module arranged on a vertical rod 1, wherein the monitoring module is used for monitoring the inclination angle of the vertical rod 1, the monitoring module is in wireless communication connection with the mobile alarm device 6, and the mobile alarm device 6 is used for processing the inclination angle data and sending out an early warning signal when the inclination angle is greater than a preset inclination angle threshold value.
The monitoring module comprises a first monitoring module 2, a second monitoring module 3, a third monitoring module 4 and a fourth monitoring module 5 which are nested on the tops of the 4 corner vertical rods. The monitoring modules have the same mechanical structure and electrical structure, are in wireless communication connection with the mobile alarm device 6 and transmit monitoring data.
The monitoring module comprises a shell 22, a communication antenna 21 and an arc clamp 23 are connected to the center of the surface right above the shell 22, and the arc clamp 23 is fixed to the top end of the upright rod 1 of the crossing frame. The arc-shaped clip 23 is located directly below the housing 22.
A first MCU minimum module 201, a motion processing module 205, a first WIFI communication module 203, a first display module 202, a data correction module 204 and a first power supply module 206 are arranged in the shell 22; the first MCU minimum module 201 is connected to the first display module 202, the first WIFI communication module 203, the data correction module 204, and the motion processing module 205, respectively, and the first power module 206 is configured to provide power for these modules.
The first MCU minimum module 201 takes an STM32F103 series single chip microcomputer as a control core;
the motion processing module 205 is a 6-axis motion processing module, an MPU6050 chip is used as a sensing core, the measurement precision is 0.1 °, and the motion processing module 205 communicates with the first MCU minimum module 201 through an IIC bus.
The first WIFI communication module 203 adopts an ESP8266 module to communicate with the first MCU minimum module 201 in a UART communication manner.
The first display module 202 is an O L ED liquid crystal display screen and is in communication connection with the first MCU minimum module 201 through an IIC bus.
The data calibration module 204 is a key module.
The first power module 206 is composed of a 7.4V/4000mah lithium ion battery and a charge-discharge balancing circuit unit.
The lower surface of the shell 22 is provided with a charging interface 24, a switch mounting interface 27 and a display module mounting interface 29.
The arc-shaped clamp 23 comprises 4 clamping pieces, anti-skidding rubber pads 26 are arranged on the inner sides of the clamping pieces, nuts 28 and screw rods 25 are assembled on the clamping pieces, and the nuts 28 and the screw rods 25 are used for adjusting the caliber size of the arc-shaped clamp 23.
The housings of the first monitoring module 2, the second monitoring module 3, the third monitoring module 4 and the fourth monitoring module 5 are made of pure color plastics with different striking colors, such as red, yellow, blue and black, and numbers, such as ①, ②, ③ and ④, are printed on the housings for distinguishing.
The mobile alarm device 6 comprises a second MCU minimum module 601, a second WIFI communication module 605, a second display module 604, an alarm device 603, a key module 602, and a second power module 606; the second MCU minimum module 601 is connected to the second WIFI communication module 605, the second display module 604, the alarm device 603, and the key module 602, respectively, and the second power module 606 is configured to provide power for these modules. The second MCU minimum module 601 is configured to analyze the monitoring data and determine whether the alarm device 603 sends an early warning signal.
The second MCU minimum module 601 takes an STM32F407 series single chip microcomputer as a control core.
The second WIFI communication module 605 adopts an ESP8266 module to communicate with the second MCU minimum module 601 in a UART communication manner.
The second display module 604 is an L CD lcd, and is in communication connection with the second MCU minimum module 601 through UART.
The alarm device 603 includes an alarm warning light and a speaker.
The second power module 606 is composed of a 14.4V/4000mah lithium ion battery and a charge-discharge balancing circuit unit. The charge and discharge balance circuit unit is partially the same as the existing lithium battery charge and discharge circuit, the charge and discharge balance circuit is used for controlling the charge and discharge of the lithium battery, the used charging interface 24 is the same as the existing direct-current charging interface and is used for connecting an external power adapter to charge the lithium battery, and the linear charging chip of the lithium battery adopts ME 4057.
A method of monitoring the stability of a spanning frame, comprising the steps of:
s1: the switches of the first monitoring module 2, the second monitoring module 3, the third monitoring module 4 and the fourth monitoring module 5 and the switch of the mobile alarm device 6 positioned on the ground are turned on, and the two are in signal automatic wireless communication connection;
s2: the first monitoring module 2, the second monitoring module 3, the third monitoring module 4 and the fourth monitoring module 5 of the upright are sequentially arranged at the tops of four corner uprights of the crossing frame, and data of the monitoring modules of the upright are set to zero through the data correction module 204;
s3: inputting the maximum allowable inclination angle of the spanning frame into the mobile alarm device 6, and monitoring three degrees of freedom of each upright monitoring module in real time through a second display module 604 of the mobile alarm device 6: inclination readings in the X-axis, Y-axis and Z-axis directions and two degrees of freedom of a cross-frame club face where any two monitoring modules are located: inclination angle readings in the X-axis and Y-axis directions, integral inclination angle readings of the spanning frame and the inclined direction;
s4: when the inclination angle of the row rods of the spanning frame or the integral inclination angle of the spanning frame is larger than the preset inclination angle threshold value, the alarm device 603 gives an alarm, the second display module 604 flickers to prompt the potential dangerous row rods of the spanning frame, and the staff is prompted at the first time.
The wireless communication mode is a WIFI communication mode, specifically, a second WIFI communication module 605 in a ground mobile alarm device 6 is configured to be an AP mode and established to be a SERVER SERVER, then first WIFI communication modules in a first monitoring module 2, a second monitoring module 3, a third monitoring module 4 and a fourth monitoring module 5 are configured to be an STA mode and sequentially set to be client sides C L ENT1, C L ENT2, C L ENT3 and C L ENT4, after the first WIFI communication module is added to an AP established by the second WIFI communication module 605, TCP connection is established with the SERVER SERVER, then the first monitoring module, the second monitoring module, the third monitoring module and the fourth monitoring module can communicate with the mobile alarm device 6, data acquisition of multi-path high-speed wireless WIFI signals is achieved, then the acquired data is analyzed and processed, the main processing step is ①, the acquired angle data of frame crossing are read and filtered to reduce interference of external noise, ②, the data is analyzed and whether the frame crossing state change is analyzed and the final frame crossing state is judged and displayed on a man-machine interface ③ through a second minimum MCU module 601 through a filtering algorithm.
As shown in fig. 8, the display interface of the mobile alarm device 6 is shown. All programs of the invention are compiled in C language under Keil compiling environment, thus realizing friendly operation of the crossing frame stability monitoring device. After the working personnel finish the operation steps S1 and S2, the interface shown in FIG. 8 can be seen, after the crossing frame inclination angle threshold is set, the angles of three degrees of freedom (X-axis, Y-axis and Z-axis directions) measured by each monitor are all displayed, and after the internal algorithm processing, the inclination angles of two degrees of freedom (X-axis and Y-axis directions) of the vertical bar surface where each two monitors are located and the inclination angle of the whole crossing frame are displayed. If the angle measured by the spanning frame exceeds the set threshold value, whether dangerous display points on the display interface can continuously flash or not is displayed, the alarm device 603 gives an alarm, and meanwhile, the potential dangerous row rods of the spanning frame are flash displayed.
Further, the angle display format is 'XX degrees XX', the display precision is accurate to divide, the display value is positive and negative values, positive values represent that the angle is inclined to a positive half axis, and negative values represent that the angle is inclined to a negative half axis.
Further, how to determine the inclination direction of the vertical rod surface and the inclination angle of the entire spanning frame is described with reference to fig. 1 and 8. Firstly, setting directions of an X axis, a Y axis and a Z axis as shown in fig. 1, if angles of three degrees of freedom (directions of the X axis, the Y axis and the Z axis) of a first monitoring module 2, a second monitoring module 3, a third monitoring module 4 and a fourth monitoring module 5 are respectively positive zero (positive) negative, positive zero (positive) positive and positive zero (positive) negative, calculating through a spatial angle, so that the whole crossing frame can be inclined to a vertical rod surface where the first monitoring module 2 and the fourth monitoring module 5 are located; or the vertical rod surface where the first monitoring module 2 and the fourth monitoring module 5 are located and the vertical rod surface where the first monitoring module 2 and the second monitoring module 3 are located are inclined, and meanwhile, the inclination angle of the whole spanning frame is obtained. If the monitored inclination angle is larger than the threshold value, the '4 and 1 vertical rods' in the display interface of the mobile alarm device 6 on the ground twinkles (or the '1 and 2 vertical rods' and the '4 and 1 vertical rods' simultaneously twinkle), and the alarm device 603 gives an alarm.
In conclusion, the crossing frame stability monitoring device and the crossing frame stability monitoring method can effectively solve the technical problem that the stable state of the crossing frame cannot be accurately acquired in the existing crossing frame stability monitoring process, so that the instability signal of the crossing frame is transmitted to field construction personnel in a noisy construction environment for the first time, and the purpose of early warning in the first time is achieved.
Claims (10)
1. The utility model provides a crossing structure stability monitoring devices, includes mobile alarm device (6), establishes the monitoring module on pole setting (1), its characterized in that: the monitoring module is used for monitoring the inclination angle of the vertical rod (1), the monitoring module is in wireless communication connection with the mobile alarm device (6), and the mobile alarm device (6) is used for processing inclination angle data and sending out an early warning signal when the inclination angle is larger than a preset inclination angle threshold value.
2. A spanning frame stability monitoring device according to claim 1, wherein: the monitoring modules comprise a first monitoring module (2), a second monitoring module (3), a third monitoring module (4) and a fourth monitoring module (5) which are arranged on the 4 corner upright posts; the mechanical structure and the electrical structure of the mobile alarm device are the same, and the mobile alarm device is in wireless communication connection with the mobile alarm device (6) and transmits monitoring data.
3. A spanning frame stability monitoring device according to claim 2, wherein: the monitoring module comprises a shell (22), the shell (22) is connected with a communication antenna (21) and an arc-shaped clamp (23), and the arc-shaped clamp (23) is fixed to the top end of a vertical rod (1) of the crossing frame.
4. A spanning frame stability monitoring device according to claim 2, wherein: a first MCU minimum module (201), a motion processing module (205), a first WIFI communication module (203), a first display module (202), a data correction module (204) and a first power supply module (206) are arranged in the shell (22); the first MCU minimum module (201) is respectively connected with the first display module (202), the first WIFI communication module (203), the data correction module (204) and the motion processing module (205), and the first power supply module (206) is used for providing power supplies for the modules.
5. A spanning frame stability monitoring device according to claim 2, wherein: the shell (22) is provided with a charging interface (24), a switch mounting interface (27) and a display module mounting interface (29).
6. A spanning frame stability monitoring device according to claim 3, wherein: the arc-shaped clamp (23) comprises 4 clamping pieces, an anti-skidding rubber pad (26) is arranged on the inner side of each clamping piece, each clamping piece is provided with a nut (28) and a screw (25), and the nuts (28) and the screws (25) are used for adjusting the caliber size of the arc-shaped clamp (23).
7. A spanning frame stability monitoring device according to claim 2, wherein: the shells of the first monitoring module (2), the second monitoring module (3), the third monitoring module (4) and the fourth monitoring module (5) are made of pure-color plastics with different striking colors, and numbers are printed on the shells for distinguishing.
8. A spanning frame stability monitoring device according to claim 2, wherein: the mobile alarm device (6) comprises a second MCU minimum module (601), a second WIFI communication module (605), a second display module (604), an alarm device (603), a key module (602) and a second power module (606); the second MCU minimum module (601) is respectively connected with the second WIFI communication module (605), the second display module (604), the alarm device (603) and the key module (602), and the second power module (606) is used for providing power supplies for the modules.
9. The crossing rack stability monitoring device of claim 2, wherein the second WIFI communication module (605) in the mobile alarm device (6) is configured to be in an AP mode and established to be a SERVER SERVER, then the first WIFI communication module in the first monitoring module (2), the second monitoring module (3), the third monitoring module (4) and the fourth monitoring module (5) is configured to be in an STA mode and sequentially set to be in client C L ENT1, C L ENT2, C L ENT3 and C L ENT4, after the first WIFI communication module is added to the AP established by the second WIFI communication module (606), TCP connection is established with the SERVER SERVER, and then the first, second, third and fourth monitoring modules can communicate with the mobile alarm device (6), so that data collection of multi-path high-speed wireless WIFI signals is realized.
10. A method of monitoring the stability of a spanning frame using a monitoring device according to any one of claims 1 to 9, characterised by the steps of:
s1: the method comprises the following steps that switches of a first monitoring module (2), a second monitoring module (3), a third monitoring module (4) and a fourth monitoring module (5) and a switch of a mobile alarm device (6) located on the ground are turned on, and the first monitoring module, the second monitoring module, the third monitoring module and the fourth monitoring module are in signal automatic wireless communication connection;
s2: the method comprises the following steps that a first monitoring module (2), a second monitoring module (3), a third monitoring module (4) and a fourth monitoring module (5) of a vertical rod are sequentially arranged at the tops of four corner vertical rods of a crossing frame, and data of each vertical rod monitoring module are set to be zero through a data correction module (204);
s3: inputting the maximum allowable inclination angle of the spanning frame into a mobile alarm device (6), and monitoring three degrees of freedom of each upright monitoring module in real time through a second display module (604) of the mobile alarm device (6): inclination readings in the X-axis, Y-axis and Z-axis directions and two degrees of freedom of a cross-frame club face where any two monitoring modules are located: inclination angle readings in the X-axis and Y-axis directions, integral inclination angle readings of the spanning frame and the inclined direction;
s4: when the inclination angle of the row rods of the spanning frame or the integral inclination angle of the spanning frame is larger than a preset inclination angle threshold value, the alarm device (603) gives an alarm, the second display module (604) flickers to prompt potential dangerous row rods of the spanning frame, and the staff is prompted at the first time.
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| CN110011216A (en) * | 2019-03-13 | 2019-07-12 | 温州电力建设有限公司 | A kind of crossing frame |
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| CN105241500A (en) * | 2015-10-10 | 2016-01-13 | 国家电网公司 | Long-distance wireless intelligent monitoring system for state of span support |
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