CN110763104A - Bolt group pre-tightening data measurement and wireless acquisition device, system and method - Google Patents

Bolt group pre-tightening data measurement and wireless acquisition device, system and method Download PDF

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Publication number
CN110763104A
CN110763104A CN201911128531.8A CN201911128531A CN110763104A CN 110763104 A CN110763104 A CN 110763104A CN 201911128531 A CN201911128531 A CN 201911128531A CN 110763104 A CN110763104 A CN 110763104A
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China
Prior art keywords
data
acquisition
bolt
measuring
wireless
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CN201911128531.8A
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Chinese (zh)
Inventor
周围
范伟丰
孟维民
安树良
程龙
张大为
郝中航
唐超
周瑞东
莫晓蔚
董玉良
李国强
周克伟
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CNNC Nuclear Power Operation Management Co Ltd
Qinshan Nuclear Power Co Ltd
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CNNC Nuclear Power Operation Management Co Ltd
Qinshan Nuclear Power Co Ltd
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Application filed by CNNC Nuclear Power Operation Management Co Ltd, Qinshan Nuclear Power Co Ltd filed Critical CNNC Nuclear Power Operation Management Co Ltd
Priority to CN201911128531.8A priority Critical patent/CN110763104A/en
Publication of CN110763104A publication Critical patent/CN110763104A/en
Priority to CN202010646971.9A priority patent/CN111721181A/en
Priority to CN202021311588.XU priority patent/CN212645576U/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

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  • 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 invention belongs to the technical field of nuclear power station operation and maintenance, and particularly relates to a bolt group pre-tightening data measuring and wireless collecting device and system and a using method thereof. The technical scheme is as follows: comprises a data acquisition system and a wireless transmission system; the data acquisition system comprises a measuring meter, a data line and an acquisition emitter, wherein the measuring meter is connected to the bolt to be measured and is connected with the acquisition emitter through the data line; the wireless transmission system comprises a data receiver and a notebook computer, and the data receiver and an acquisition transmitter of the data acquisition system are linked through a carrier signal; the data receiver is internally provided with a wireless receiving part and is inserted into the notebook computer through a self USB plug. Has the advantages that: can gather the measurement numerical value on the depth amesdial to in gathering computer system with it through the mode of wireless transmission and receipt, the manual work reads the operation mode with the record before the change, and can realize the synchronous collection of multiunit data, improve work efficiency, avoid human error.

Description

Bolt group pre-tightening data measurement and wireless acquisition device, system and method
Technical Field
The invention belongs to the technical field of nuclear power station operation and maintenance, and particularly relates to a bolt group pre-tightening data measuring and wireless collecting device, system and method.
Background
The nuclear reactor pressure vessel adopts a flange bolt group fastening structure, namely, a cylinder body and a top cover of the pressure vessel adopt a bolt group flange connection structure, as shown in fig. 1. When the cover is repaired and replaced, the extension amount of the bolts needs to be measured to ensure the pretightening force, and the workload of measuring the pretightening force is large due to the large number of the bolts. The traditional nuclear reactor bolt pretension data measurement adopts the modes of manual measurement, manual recording and manual data analysis, and adopts a digital display depth dial indicator to manually measure the elongation of each bolt, and then manually records and analyzes the processed data. That is, during the whole stretching process of the bolt group, the measurement, recording and calculation of the pre-tightening data are all performed manually. However, the process has complex data, low manual operation efficiency and high error probability, and meanwhile, the irradiation dose received by personnel is large. The high-altitude equipment approaching for a long time and in a short distance can receive a large amount of irradiation dose, which does not conform to ALARA principle of nuclear industry; the efficiency is low, a long major overhaul line construction period is occupied, and the nuclear power profitability is not economical; the manual mode of data acquisition and processing is easy to cause errors, and is a weak link in the aspect of quality control of nuclear power overhaul; the manual analysis of data has personal experience and subjective components, lacks qualitative standards, and is a blind area from the viewpoint of standardized repair. Therefore, a device, a system and a method for measuring and wirelessly acquiring bolt group pre-tightening data are needed to solve the problems of low working efficiency in a high-radioactivity area, non-synchronization and non-timeliness in data acquisition, strong randomness in manual analysis and the like in the conventional nuclear reactor bolt pre-tightening data measuring and acquiring mode.
Disclosure of Invention
The invention aims to solve the problems of low working efficiency and low accuracy of the existing nuclear reactor bolt pre-tightening data measuring and collecting mode, and provides a multi-channel bolt group pre-tightening data measuring and wireless collecting device, system and method.
The technical scheme of the invention is as follows:
a bolt group pre-tightening data measuring and wireless collecting device comprises a data collecting system and a wireless transmission system; the data acquisition system comprises a measuring meter, a data line and an acquisition transmitter, wherein the measuring meter is connected to the bolt to be measured and is connected with the acquisition transmitter through the data line; the wireless transmission system comprises a data receiver and a notebook computer, wherein the data receiver is in contact with an acquisition transmitter of the data acquisition system through a carrier signal; the data receiver is internally provided with a wireless receiving part and is inserted into the notebook computer through a self USB plug.
Furthermore, the number of the data acquisition systems is two, and the data receiver can simultaneously receive data sent by a plurality of acquisition transmitters, so that multi-channel data transmission is realized. The acquisition transmitter is communicated with the wireless transmission system through a serial port.
Furthermore, the acquisition transmitter comprises a shell, a display screen and a control panel are arranged on the shell, information of 'equipment number', 'hole number' and 'data' is arranged on the display screen, buttons of 'acquisition', 'emission', 'bolt number increase', 'bolt number decrease' and 'reset' are arranged on the control panel, the buttons of 'bolt number increase' and 'bolt number decrease' are used for setting the 'hole number' displayed on the display screen, the 'acquisition' button is used for controlling the measuring meter to acquire bolt pre-tightening data, and the 'sending' button is used for sending three groups of data displayed on the display screen to the wireless transmission system; the side surface of the shell is also provided with a dial switch as an equipment selection switch for setting the equipment number displayed on the display screen so as to number the acquisition emitter.
Furthermore, the data acquisition system also comprises a measurement gauge stand, the measurement gauge stand is used for connecting the data acquisition system to the bolt to be measured, and the measurement gauge is fixedly connected with the measurement gauge stand.
Furthermore, an antenna is arranged at the top end of the shell of the acquisition emitter and used for sending communication signals to the wireless transmission system. The side face of the shell of the acquisition emitter is provided with a data line interface, a power switch and a charging interface, the data line interface is used for connecting a data line, the power switch is used for controlling the acquisition emitter to be opened and closed, and the charging interface is used for connecting a power supply to the acquisition emitter.
Further, the measuring gauge adopts a digital display depth micrometer. The measuring meter is used for measuring the elongation of the bolt to be measured, and a measuring meter switch, a display screen, a data line socket and a zero setting key are arranged on the measuring meter.
The invention also provides a bolt group pre-tightening data measuring and wireless collecting method, which sequentially comprises the following steps:
selecting a corresponding measuring gauge seat according to the type of the bolt, and connecting and fixing the depth dial indicator and the measuring gauge seat;
secondly, inserting specific plugs at two ends of the data line into corresponding sockets of the depth dial indicator and the acquisition transmitter respectively to realize connection of the two;
inserting the data receiver into the notebook computer through a self USB plug, turning on the computer software and a power switch of the acquisition emitter, and establishing wireless connection between the acquisition emitter and the data receiver;
placing the dial depth gauge with the measuring gauge seat on a standard calibration seat, and resetting;
placing the fixed measuring gauge stand in a center hole of the upper end face of the bolt, and displaying a bolt pre-tightening measured value on a display screen of the depth dial indicator at the moment;
step six, the acquisition transmitter is held by hands, the correct numerical values of the equipment and the hole number are adjusted, the acquisition button is pressed, the reading of the depth dial indicator is displayed in the data of a display screen of the acquisition transmitter, then the sending button is pressed, and the three numerical values of the equipment, the hole number and the data are packaged and sent to a database in the notebook computer;
seventhly, simultaneously measuring and sending by two or more depth dial gauges and an acquisition transmitter, and simultaneously receiving by a data receiver to realize multi-channel wireless transmission of bolt pre-tightening data measurement;
and step eight, measuring and transmitting the pretension data of the next bolt.
The invention also provides a bolt group pre-tightening data measuring and wireless collecting system, which comprises a data collecting system and a wireless transmission system; the data acquisition system comprises a measuring meter seat, a measuring meter, a data line and an acquisition emitter; the acquisition transmitter comprises a controller, a wireless transmission module, a display module, a key control module and an instrument interface; the instrument interface is a channel communicated with the measuring meter, transmits a data acquisition command to the measuring meter through the instrument interface and receives the measuring data transmitted by the measuring meter; the display module is used for receiving the information of the equipment, the hole number and the data and displaying the information on the display screen; the key control module is used for setting equipment and hole numbers, sending a data acquisition signal to the measuring meter through an acquisition button and sending data in the display module to the wireless transmission system through sending; the wireless transmission system comprises a wireless receiver and a data acquisition terminal.
Furthermore, the acquisition emitter sets an equipment number and a hole number through a key control module, and the equipment number and the hole number are displayed on a display module through a controller; the key control module sends a data acquisition signal through the controller and transmits the data acquisition signal to the measuring meter through a data line connected with a data line interface in the instrument interface; after receiving the data acquisition signal, the measuring meter acquires bolt pretightening force data, sends the bolt pretightening force data to a controller of the acquisition transmitter through a data line, and displays the bolt pretightening force data on a display screen through a display module; the controller sends the equipment number, the hole number and the bolt pretightening force data displayed by the display module to the wireless transmission system according to the sending signal sent by the key control module. .
Further, the instrument interface module comprises a data line interface, a power switch and a charging interface.
The invention has the beneficial effects that:
the invention relates to a multi-channel bolt group pre-tightening data measuring and wireless collecting device, system and method, aiming at collecting measuring values on a depth dial indicator and collecting the measuring values into a computer system in a wireless transmitting and receiving mode, changing the prior manual reading and recording operation mode, realizing synchronous collection of multiple groups of data, improving the working efficiency and avoiding human errors. The invention relates to a data measurement and wireless acquisition device, which mainly comprises the following components: the device comprises a measuring meter with a meter seat, a transmitter, a receiver and a data acquisition terminal. The measuring meter is connected with the transmitter through a special data line, and the transmitter can read the numerical value of the measuring meter; the receiver is connected with the data acquisition terminal through a USB socket; the transmitter and the receiver are connected through a carrier signal of a wireless communication protocol, data transmission is carried out in a 'many-to-one' mode, a plurality of transmitters can transmit data simultaneously, and one receiver receives the data. The individual components will now be described in detail separately. Compared with the prior manual operation mode, the invention has the following advantages:
1) the working efficiency is improved. Through the application of the wireless acquisition tool, the working efficiency is improved, the construction period of a major overhaul line is further optimized, and the economic benefit is improved.
2) Prevent human error. The blind angle of the human error is checked, fine overhaul is further realized, the components interfered by the human are reduced by using the wireless transmission tool for the measured data, and the risk of the human error is reduced.
The collective radiation dose is reduced. The wireless acquisition of measurement data is a revolution to the traditional bolt pre-tightening data acquisition mode, reduces the collective dosage of a reactor core region, and optimizes the comprehensive performance index of overhaul management.
Drawings
FIG. 1 is a schematic structural view of a pressure vessel bolt group flange connection structure;
FIG. 2 is a schematic composition diagram of the present invention;
FIG. 3 is a schematic diagram of the data acquisition system of FIG. 2;
FIG. 4 is a schematic exterior view of the gauge stand and the gauge of FIG. 3;
FIG. 5 is a schematic external view of the acquisition transmitter of FIG. 3;
FIG. 6 is a diagram of the internal control structure of the acquisition transmitter of FIG. 5;
fig. 7 is a schematic view of the mode of use of the present invention.
In the figure: the method comprises the following steps of 1-measuring gauge seat, 2-depth dial indicator, 11-measuring gauge switch, 12-display screen, 13-data line socket, 14-zero setting key, 3-data line, 4-acquisition transmitter, 21-data line interface, 22-power switch, 23-equipment selection switch, 24-antenna, 25-display screen, 26-control panel, 27-charging interface, 5-data receiver, 6-notebook computer, 7-bolt, 8-nut and 9-reactor pressure container top cover.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Example 1
The embodiment provides a bolt group pre-tightening data measuring and wireless collecting device, which is suitable for pre-tightening work similar to that of a pressurized water reactor nuclear power station reactor pressure vessel flange bolt group during multi-step stretching by a monomer stretcher, measuring pre-tightening data and wirelessly collecting the measured data; the method is also suitable for wireless acquisition of mass data in other occasions.
The device comprises one or more data acquisition systems and a set of wireless transmission systems, as shown in fig. 2 and 7;
as shown in fig. 3, the data acquisition system comprises a measurement gauge stand 1, a measurement gauge 2, a data line 3 and an acquisition emitter 4; the measuring meter base 1 is used for connecting a data acquisition system to a bolt 7 to be measured, the measuring meter 2 is fixedly connected with the measuring meter base 1, and the measuring meter 2 is connected with the acquisition emitter 4 through a data line 3; one end of the data line 3 is inserted into the data line socket 13 of the measuring instrument 2, and the other end is inserted into the data line interface 21 of the acquisition transmitter 4.
The measuring gauge seat 1 is designed by taking the size of a central hole of the measured bolt 7 as the size of an interface, and provides a measuring reference and support for the measuring gauge 2. As shown in fig. 4, the measurement gauge stand 1 is in the shape of a cylindrical boss with a threaded hole in the center, the cylindrical size of the boss matches with the center hole of the bolt 7 to be measured, and the boss is connected with the measurement gauge 2 through the threaded hole in the center.
The measuring meter 2 adopts a digital display depth micrometer and is used for measuring the elongation of the bolt 7 to be measured, the measuring range is 0-25mm, and the precision is 0.01 mm. Before the measuring instrument 2 is used, the measuring instrument needs to be cleared on a special check seat, and a measuring instrument switch 11, a display screen 12, a data line socket 13 and a zero setting key 14 are arranged on the measuring instrument 2. Before use, the device is required to be connected to a measurement gauge stand 1, and is commonly arranged on a special standard calibration stand, and the reading on the display screen 12 is cleared through a zero setting key 14; when a plurality of measuring instruments 2 are used simultaneously, the zero clearing is needed on the same check seat before the use. The measuring instrument 2 is connected with a collecting transmitter 4 by a special data line 3.
And two ends of the data line 3 are provided with specific plugs for connecting the measuring instrument 2 and the acquisition emitter 4, so that the acquisition emitter 4 can acquire the measurement data on the measuring instrument 2.
The acquisition transmitter 4 reads the measured values in the measuring table 2 via the data line 3 and sends the measured values to the wireless transmission system. The overall appearance of the collecting and transmitting device 4 is in a T shape, which is convenient for hand holding, and the arrangement of the functional elements is shown in figure 5.
As shown in fig. 4, the collecting and transmitting device 4 includes a housing with a "T" shape, and an antenna 24 is disposed at the top of the housing for transmitting communication signals via a wireless transmission system; the shell is provided with a display screen 25 and a control panel 26, the display screen 25 is used for displaying 'equipment number', 'hole number' and 'data', the control panel 26 is provided with 5 buttons of 'acquisition', 'emission', 'bolt number increase', 'bolt number decrease' and 'reset', the 'bolt number increase' and 'bolt number decrease' buttons are used for setting the 'hole number' displayed on the display screen 25, the 'acquisition' button is used for controlling the measuring meter 2 to acquire bolt pre-tightening data, and the 'sending' button is used for sending three groups of data displayed on the display screen 25 to the wireless transmission system; a dial switch is further arranged on the side face of the shell and serves as an equipment selection switch 23, and the dial switch is used for setting an equipment number displayed on a display screen 25 so as to number the acquisition emitter 2; the casing side is provided with data line interface 21, switch 22 and the interface 27 that charges, and data line interface 21 is used for connecting data line 3, and switch 22 is used for controlling opening and closing of gathering transmitter 4, and the interface 27 that charges is used for connecting the power and is gathering transmitter 4.
The wireless transmission system comprises a data receiver 5 and a notebook computer 6, wherein the data receiver 5 is connected with an acquisition transmitter 4 of the data acquisition system through a carrier signal; the data receiver 5 is inserted into the notebook computer 6 through a self-contained USB plug, and the data receiver 5 can simultaneously receive data sent by the plurality of acquisition transmitters 4, so that multi-channel data transmission is realized.
The data receiver 5 is in a U disk shape, is internally provided with a wireless receiving part, is provided with a USB (universal serial bus) socket, is connected with a computer through the USB socket and can receive and acquire data transmitted by the transmitter 4.
The embodiment also provides a multi-channel bolt group pre-tightening data measuring and wireless collecting device and a using method thereof, which sequentially comprise the following steps:
step one, selecting a corresponding measuring gauge stand 1 according to the type of a bolt 7, and connecting and fixing a depth dial indicator 2 and the measuring gauge stand 1;
secondly, inserting specific plugs at two ends of the data line 3 into corresponding sockets of the depth dial indicator 2 and the acquisition emitter 4 respectively to realize connection of the two;
thirdly, the data receiver 5 is inserted into the notebook computer 6 through a self USB plug, and the computer software and the power switch 22 of the acquisition emitter 4 are turned on to establish wireless connection between the acquisition emitter 4 and the data receiver 5;
placing the dial depth indicator 2 with the measuring gauge stand 1 on a standard calibration stand, and resetting;
placing the fixed measuring gauge stand 1 in a center hole in the upper end face of the bolt 7, and displaying a bolt pre-tightening measured value on a display screen 12 of the depth dial indicator 2 at the moment;
step six, the acquisition transmitter 4 is held by hand, the correct numerical values of 'equipment' and 'hole number' are adjusted, the 'acquisition' button is pressed, the reading of the depth dial indicator 2 is displayed in the 'data' of the display screen 25 of the acquisition transmitter 4, and then the 'sending' button is pressed, and the three numerical values of 'equipment', 'hole number' and 'data' are packaged and sent to a database in the notebook computer;
seventhly, simultaneously measuring and sending by two or more depth dial indicators 2 and the acquisition transmitter 4, and simultaneously receiving by the data receiver 5 to realize multi-channel wireless transmission of bolt pre-tightening data measurement;
and step eight, measuring and transmitting the pre-tightening data of the next bolt, and repeating the steps.
The field application of the multi-channel bolt group pretension data measuring device and the application method of the embodiment is as shown in fig. 2, and compared with the conventional manual operation mode, the invention has the following advantages: 1) the working efficiency is improved. By applying the wireless acquisition tool, the working efficiency is improved, the construction period of a major overhaul line is further optimized, and the economic benefit is improved; 2) prevent human error. The dead angle of the human error is checked, fine maintenance is further implemented, and the components of human intervention are reduced and the risk of the human error is reduced due to the use of the wireless transmission tool for the measured data; 3) the collective radiation dose is reduced. The wireless acquisition of measurement data is a revolution to the traditional bolt pre-tightening data acquisition mode, reduces the collective dosage of a reactor core region, and optimizes the comprehensive performance index of overhaul management.
Example 2
The embodiment provides a multi-channel bolt group pre-tightening data measurement and wireless acquisition system and an acquisition transmitter on the basis of the embodiment 1, and the technical scheme of the acquisition transmitter is further described below with reference to the accompanying drawings.
The multi-channel bolt group pre-tightening data measuring and wireless collecting system mainly comprises a plurality of data collecting systems and a set of wireless transmission system;
the data acquisition system comprises a measurement meter base 1, a measurement meter 2, a data line 3 and an acquisition emitter 4; the acquisition emitter 4 is composed as shown in fig. 6, and mainly comprises a controller, a wireless transmission module, a display module, a key control module and an instrument interface; the 'equipment number' and the 'hole number' are set through the key control module and are displayed on the display module through the controller; the key control module sends a data acquisition signal through the controller, and the data acquisition signal is transmitted to the measuring meter 2 through a data line 3 connected with a data line interface 21 in the meter interface; after receiving the data acquisition signal, the measuring meter 2 acquires the pretightening force data of the bolt 7, sends the pretightening force data to the controller of the acquisition transmitter 4 through the data line 3, and displays the pretightening force data on the display screen 25 through the display module; the controller sends the equipment number, the hole number and the bolt pretightening force data displayed by the display module to the wireless transmission system according to the sending signal sent by the key control module. The whole collection emitter 4 integrates four functions of instrument interface, liquid crystal display, key control and wireless transmission, and the 4 parts are detailed as follows:
1) instrument interface module
The instrument interface module mainly comprises a data line interface 21, a power switch 22 and a charging interface 27, wherein the data line interface 21 is a communication channel for communicating with the measuring instrument 2, and sends a measuring command to the measuring instrument 2 through the data line interface and receives measuring data sent by the instrument. The acquisition transmitter 4 communicates with the measuring meter 2 by using an RS232 interface. The lowest end of the acquisition transmitter 4 is a data line interface 21 connected with the measuring meter 2, one end of the data line 3 is inserted into the interface, and the other end is connected with the measuring meter 2.
2) Display module
The display module is mainly used for displaying data on the small liquid crystal display screen 25 of the acquisition emitter 4, so that an operator can know the measurement state conveniently. The display screen 25 mainly displays the following information:
■ device number, used to distinguish two or more devices in operation, the device number can be set to 1, 2, 3 … …, set by the device selection switch 23 on the right side;
■ hole number, displaying the current measured bolt number;
■ data, the current measured data was recorded to the nearest 0.01 mm.
3) Control key module
The key control module mainly receives signals of each key on the control panel 26 and the equipment selection switch 23, and accordingly sends corresponding instructions. The control panel 26 mainly has the following 5 key operations:
■, pressing the acquisition emitter 4 to send data request signal to the measuring meter 2, then reading the data information returned by the measuring meter 2;
■ "send", and when pressed, the data will be sent to the back-end wireless transmission system if the other party receives the correct information, the display will show "send successful |".
■ 'bolt number increase', increase by 1 when pressing the bolt number, and increase to 60 at most;
■, subtracting the bolt number, subtracting 1 by pressing the bolt number, if the bolt number is 1, the bolt number will return to 60 after pressing the key;
■ "reset", the bolt number returns to 1 after being pressed, and the measurement data is cleared.
4) Wireless transmission module
The wireless transmission module adopts a radio frequency chip AX5043 to build a circuit. The transmission circuit uses narrow-band transmission, the carrier frequency is 433MHz, the transmission circuit has the advantage of low transmission power and concentrated power density, the transmission distance is increased under the same power, and the maximum transmission distance can be 2000 m. Meanwhile, the radio frequency chip uses an FEC forward error correction algorithm, so that the coding efficiency is high, the error correction capability is strong, and the anti-interference capability is greatly improved.
The wireless sending module communicates with the wireless transmission system through a serial port (UART). The transmitted data includes a header identifier (0x55), measurement data (including device number, bolt number, measurement value, etc.), a trailer identifier (0xff), and a packet format as shown in table 1.
Table 1 packet format
0x55 Equipment number Bolt number Measured value 0xff
During operation, the wireless transmitting module works in a fixed-point transmission mode to directionally transmit the measured data, the wireless transmission system at the rear end works in a monitoring mode to receive all data on a channel, then the acquisition transmitter 4 which the data is transmitted by the equipment number is judged, and then the measured values are stored in the corresponding database and correspond to the bolt numbers one to one.
The wireless transmission system comprises a wireless receiver and a data acquisition terminal. The wireless receiver is provided with an antenna and a USB plug, is inserted and connected on a computer through a USB port, receives and collects data transmitted by the transmitter 4, and transmits the data to the computer for storage.
The data acquisition terminal is a computer and wireless acquisition software carried by the computer, and the wireless receiving program is used for storing, calculating, outputting and the like the received measurement data. In the invention, Visual C + +6.0 is used as a programming language to operate an ACCESS database, so that the work of data storage, query and the like is completed, and finally the obtained data is output to an EXCEL file to be displayed.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims (10)

1. The utility model provides a bolt crowd pretension data measurement and wireless collection system which characterized in that: comprises a data acquisition system and a wireless transmission system; the data acquisition system comprises a measuring meter (2), a data line (3) and an acquisition emitter (4), wherein the measuring meter (2) is connected to a bolt (7) to be detected, and the measuring meter (2) is connected with the acquisition emitter (4) through the data line (3); the wireless transmission system comprises a data receiver (5) and a notebook computer (6), wherein the data receiver (5) is in contact with an acquisition transmitter (4) of the data acquisition system through a carrier signal; the data receiver (5) is internally provided with a wireless receiving part and is inserted into the notebook computer (6) through a self-contained USB plug.
2. The bolt group pretension data measurement and wireless acquisition device according to claim 1, characterized in that: the number of the data acquisition systems is two, and the data receiver (5) can simultaneously receive data sent by the acquisition transmitters (4) to realize data multi-channel transmission.
3. The bolt group pretension data measurement and wireless acquisition device according to claim 2, characterized in that: the acquisition emitter (4) comprises a shell, a display screen (25) and a control panel (26) are arranged on the shell, equipment number, hole number and data information are arranged on the display screen (25), acquisition, emission, bolt number increase, bolt number decrease and reset buttons are arranged on the control panel (26), the bolt number increase and bolt number decrease buttons are used for setting the hole number displayed on the display screen (25), the acquisition button is used for controlling the measuring meter (2) to acquire bolt pre-tightening data, and the sending button is used for sending the three groups of data displayed by the display screen (25) to the wireless transmission system; the side surface of the shell is also provided with a dial switch as an equipment selection switch (23) for setting the equipment number displayed on the display screen (25) so as to number the acquisition emitter (2).
4. A bolt cluster pretension data measurement and wireless acquisition device according to claim 3, characterized in that: the data acquisition system further comprises a measurement gauge stand (1), the measurement gauge stand (1) is used for connecting the data acquisition system to a bolt (7) to be measured, and the measurement gauge (2) is fixedly connected with the measurement gauge stand (1).
5. The bolt group pretension data measurement and wireless acquisition device according to claim 4, characterized in that: the top end of the shell of the acquisition emitter (4) is provided with an antenna (24) for sending a communication signal by a wireless transmission system; the casing side is provided with data line interface (21), switch (22) and interface (27) charge, and data line interface (21) are used for connecting data line (3), and switch (22) are used for controlling opening and closing of gathering transmitter (4), and interface (27) charge is used for connecting the power and is gathering transmitter (4).
6. A bolt group pretension data measurement and wireless acquisition device according to one of claims 1-5, characterized in that: the measuring meter (2) is used for measuring the elongation of the bolt (7) to be measured, and a measuring meter switch (11), a display screen (12), a data line socket (13) and a zero setting key (14) are arranged on the measuring meter (2).
7. A bolt group pre-tightening data measurement and wireless acquisition method adopting the device of claim 5 is characterized by sequentially comprising the following steps:
step one, selecting a corresponding measuring gauge seat (1) according to the type of a bolt (7), and connecting and fixing a depth dial indicator (2) and the measuring gauge seat (1);
secondly, inserting specific plugs at two ends of the data line (3) into corresponding sockets of the depth dial indicator (2) and the acquisition emitter (4) respectively to realize connection of the two;
thirdly, the data receiver (5) is inserted into the notebook computer (6) through a self USB plug, and the computer software and the power switch (22) of the acquisition emitter (4) are turned on to establish the wireless connection between the acquisition emitter (4) and the data receiver (5);
fourthly, placing the dial depth indicator (2) with the measuring gauge stand (1) on a standard calibration stand, and resetting;
placing the fixed measuring gauge seat (1) in a center hole in the upper end face of the bolt (7), and displaying a bolt pre-tightening measured value on a display screen (12) of the depth dial indicator (2);
step six, the acquisition transmitter (4) is held by hand, the correct numerical values of 'equipment' and 'hole number' are adjusted, the acquisition button is pressed, the reading of the depth dial indicator (2) is displayed in the 'data' of the display screen (25) of the acquisition transmitter (4), then the sending button is pressed, and the three numerical values of 'equipment', 'hole number' and 'data' are packaged and sent to a database in the notebook computer;
seventhly, simultaneously measuring and sending by two or more depth dial indicators (2) and the acquisition transmitter (4), and simultaneously receiving by the data receiver (5) to realize multi-channel wireless transmission of bolt pre-tightening data measurement;
and step eight, measuring and transmitting the pretension data of the next bolt.
8. A bolt group pretension data measurement and wireless acquisition system suitable for the device of claim 5, characterized in that: comprises a data acquisition system and a wireless transmission system;
the data acquisition system comprises a measuring meter seat (1), a measuring meter (2), a data line (3) and an acquisition emitter (4); the acquisition transmitter (4) comprises a controller, a wireless transmission module, a display module, a key control module and an instrument interface; the instrument interface is a channel communicated with the measuring meter (2), and transmits a data acquisition command to the measuring meter (2) through the instrument interface and receives the measuring data transmitted by the measuring meter (2); the display module is used for receiving the information of 'equipment', 'hole number' and 'data' and displaying the information on the display screen (25); the key control module is used for setting equipment and hole numbers, sending a data acquisition signal to the measuring meter (2) through an acquisition button and sending data in the display module to the wireless transmission system through sending;
the wireless transmission system comprises a wireless receiver and a data acquisition terminal.
9. The bolt cluster pretension data measurement and wireless acquisition series of claim 8, wherein: the acquisition emitter (4) is provided with an equipment number and a hole number through a key control module and is displayed on a display module through a controller; the key control module sends a data acquisition signal through the controller, and the data acquisition signal is transmitted to the measuring meter (2) through a data line (3) connected with a data line interface (21) in the meter interface; after receiving the data acquisition signal, the measuring meter (2) acquires the pretightening force data of the bolt (7), sends the pretightening force data to the controller of the acquisition transmitter (4) through the data line (3), and displays the pretightening force data on the display screen (25) through the display module; the controller sends the equipment number, the hole number and the bolt pretightening force data displayed by the display module to the wireless transmission system according to the sending signal sent by the key control module. .
10. The bolt cluster pretension data measurement and wireless acquisition series of claim 8, wherein: the instrument interface module comprises a data line interface (21), a power switch (22) and a charging interface (27).
CN201911128531.8A 2019-11-18 2019-11-18 Bolt group pre-tightening data measurement and wireless acquisition device, system and method Pending CN110763104A (en)

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