CN213877040U

CN213877040U - Data wireless transmission system of seismic leveling equipment

Info

Publication number: CN213877040U
Application number: CN202120178676.5U
Authority: CN
Inventors: 邓志岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-08-03
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to a seismic leveling instrument data transmission system. The system comprises three major components: the wireless transmission part of the data acquisition unit, the wireless transmission part of the digital level gauge and the wireless transmission part of the computer. The data acquisition device wireless transmission part is connected with the data acquisition device, the digital level wireless transmission part is connected with the digital level, and the computer wireless transmission part is connected with the computer. The data acquisition device wireless transmission part is in wireless connection with the digital level wireless transmission part, and the data acquisition device wireless transmission part is in wireless connection with the computer wireless transmission part. The system realizes the function of data wireless transmission between the data collector and the digital level gauge and between the data collector and the computer during the operation of the seismic leveling measurement, and solves the defects of the wired transmission technology between the existing seismic leveling equipment. The system enables measuring personnel to get rid of the constraint of connecting wires, reduces the plugging and unplugging of instrument interfaces and effectively protects instrument equipment.

Description

Data wireless transmission system of seismic leveling equipment

Technical Field

The utility model relates to a leveling technical field especially relates to an earthquake leveling instrument data transmission system.

Background

The existing earthquake leveling operation (including regional flow leveling, cross-fault flow leveling and station fixed-point leveling) of the Chinese earthquake bureau adopts an observation record processing system of 'precision leveling field record and data processing software' developed by a first monitoring center of the Chinese earthquake bureau, and the system realizes the standardization of the earthquake leveling operation and the unification of data formats. The hardware of the system consists of a high-precision level gauge, a data acquisition unit and a computer. The high-precision level adopts models including DINI12 and DINI03 of Tianbao; the digital level comprises DNA03 of Leica, LS15 model digital levels and special serial port control lines (RS 232 interfaces) corresponding to the models, wherein the special serial port control lines are used for debugging and controlling the digital levels after being connected. The data acquisition unit adopts a model M73E in Lande, the communication interface is special, as shown in figure 1, the appearance of the interface is a 6-PIN IEEE1394 female interface, but the definition of a socket PIN of the data acquisition unit is different from that of a common IEEE1394 female interface, and a PIN1 of the data acquisition unit is +5.5V charging power supply input or +3.3V controllable power supply output; PIN2 is "GND"; PIN3 is "TX" serial port data output; PIN4 is the "RX" serial data input; PIN5 is "D-" USB data line; PIN6 is a "D +" USB data line. And a (special IEEE1394 to RS 232) patch cable is manufactured by utilizing PIN2, PIN3 and PIN4, and a (special IEEE1394 to USB) patch cable is manufactured by utilizing PIN1, PIN2, PIN5 and PIN 6.

The connection and data transmission mode of hardware (data acquisition unit, digital level gauge and computer) in the present seismic level observation and recording processing system is a wired transmission mode. The specific connection and working mode is that a special IEEE1394 interface of the data acquisition unit is connected with an RS232 interface of the serial port control line of the digital level by using a (special IEEE1394 to RS 232) switching line, and the data transmission and control functions are realized by a program in the data acquisition unit. The digital level sends a command through the data acquisition unit to control the reading of the digital level, the digital level transmits observed data back to the data acquisition unit for recording, after finishing level field observation, the data acquisition unit is connected with a computer through a (special IEEE1394 to USB) switching line, and data files are transmitted into the computer for calculation through programs.

However, the wired transmission mode of this system has some disadvantages: 1. during measurement, a measurer needs to place and level the digital level for observation and operate a data acquisition unit for reading and recording, but the movement of the measurer and the erection of the instrument are hindered due to the limitation of the length of a connecting line, so that the observation is influenced. 2. Because the observation operation needs to plug and pull the instrument interface many times, cause interface and connecting wire contact failure or damage easily, and then influence the completion progress of leveling operation.

Disclosure of Invention

The utility model provides a current seismic leveling survey [ precision leveling field record and data processing software ] survey record processing system's wired transmission mode not enough, provide a seismic leveling equipment data wireless transmission system, data collection station and digital level appearance, data collection station and computer data wireless transmission function when realizing the seismic leveling operation. The novel system has the advantages of simple operation, moderate transmission distance, stable work and capability of effectively improving the measurement efficiency.

The utility model discloses seismic leveling equipment data wireless transmission system includes three big parts: the wireless transmission part of the data acquisition unit, the wireless transmission part of the digital level gauge and the wireless transmission part of the computer.

As shown in fig. 2, the data acquisition device wireless transmission component is connected with the data acquisition device, the digital level wireless transmission component is connected with the digital level, and the computer wireless transmission component is connected with the computer; the data acquisition device wireless transmission part is wirelessly connected with the digital level instrument wireless transmission part to realize the data communication function of the data acquisition device and the digital level instrument; the data acquisition device wireless transmission part is in wireless connection with the computer wireless transmission part, so that the data communication function between the data acquisition device and the computer is realized.

Data acquisition ware wireless transmission part: as shown in fig. 3, the wireless communication device is composed of a communication interface, an interface conversion module, a wireless communication module, an antenna, and a power supply module. The communication interface and the interface conversion module adopt a double-signal switching mode (1, RS232 signal mode; 2, USB signal mode) to realize the switching of RS232 or USB signals as input and output signals. The wireless transmission part of the data acquisition unit is connected with the communication interface of the data acquisition unit. When data is sent, the input electric signals are subjected to level conversion through the interface conversion module, and then wireless output of the signals is carried out through the wireless communication module and the antenna; when data is received, the antenna receives the wireless signals, then the wireless signals are processed by the wireless communication module, then the wireless signals are converted by the interface conversion module, and the converted signals are transmitted to the data acquisition unit through the communication interface.

The communication interface of the data acquisition device wireless transmission part is a special IEEE1394 male interface with redefined pins. As shown in fig. 4, PIN2 of the special IEEE1394 male interface thereof is defined as "GND", PIN3 is defined as "RX", PIN4 is defined as "TX", PIN5 is defined as "D-" USB data line, and PIN6 is defined as "D +" USB data line; three signals of PIN2, PIN3 and PIN4 are used as RS232 level signals, and an interface conversion module is used for realizing the conversion between the RS232 level signals and the TLL level signals; taking PIN2, PIN4 and PIN5 and four +5V signals provided by a power supply module as USB level signals, and realizing the conversion between a UBS level signal and a TLL level signal by using an interface conversion module; and then RS232 and USB signal switching is realized through a switch circuit. The RS232 signal is used when the digital level wireless transmission part is connected, and the USB signal is used when the computer wireless transmission part is connected. The double-signal switching mode realizes corresponding functions on the basis of not changing the original transmission program of the data acquisition unit.

The wireless transmission part of the digital level is as follows: as shown in fig. 5, the wireless communication device is composed of an RS232 interface, an interface conversion module, a power supply module, a wireless communication module and an antenna. The working mode is as follows: firstly, connecting a wireless transmission part of the digital level with an RS232 interface of a serial port control line of the digital level, converting the level of an input electric signal through an interface conversion module when data is transmitted, and then wirelessly outputting the signal through a wireless communication module and an antenna; when data is received, the antenna receives the wireless signals, processes the wireless signals by the wireless communication module, converts the wireless signals by the interface conversion module, and transmits the wireless signals to the digital level gauge through the RS232 interface.

Computer wireless transmission part: as shown in fig. 6, the wireless communication device is composed of a USB interface, an interface conversion module, a wireless communication module, and an antenna. The working power supply is provided by a USB interface of the computer. The working mode is as follows: the computer wireless transmission part is connected with the computer USB interface. When data is sent, the input electric signals are subjected to level conversion through the interface conversion module, and then wireless output of the signals is carried out through the wireless communication module and the antenna; when data is received, the antenna receives the wireless signal, then the wireless signal is processed by the wireless communication module, converted by the interface conversion module and transmitted to the computer through the USB interface.

The wireless transmission part of the data acquisition unit, the wireless transmission part of the digital level gauge, the wireless transmission part of the computer and the wireless communication module and the antenna which are of the same type are selected.

The utility model discloses only change present seismic level observation record processing system connected mode, and do not change its observation method and the relevant procedure of data.

The utility model discloses concretely connects as follows with the use flow: before the earthquake leveling operation, the data acquisition device wireless transmission component is connected with the data acquisition device communication interface. And connecting the wireless transmission part of the digital level with a serial port control line RS232 interface of the digital level.

The leveling operation begins, the digital level is aligned to the staff, the data acquisition unit sends a reading measurement command, the command is transmitted to the digital level wireless transmission part through the data acquisition unit wireless transmission part in a wireless mode, the digital level wireless transmission part transmits the command to the digital level, the digital level receives the reading command, the measured data is transmitted to the data acquisition unit wireless transmission part through the digital level wireless transmission part, and the data acquisition unit wireless transmission part transmits the received data to the data acquisition unit for recording.

After finishing the level field operation, the wireless transmission part of the digital level is closed, and the wireless transmission part of the computer is connected with the USB interface of the computer. The data acquisition unit is connected with the computer wireless transmission part through the data acquisition unit wireless transmission part, and transmits the data to the computer for calculation processing.

The utility model has the advantages and the beneficial effects of, this utility model realizes the conversion of measuring equipment data transmission from wired mode to wireless mode under the unchangeable condition of observation method and the relevant procedure of data at seismic leveling operation mode, has broken away from the constraint of connecting wire. By adopting a double-signal switching mode (1, RS232 signal mode; 2, USB signal mode), the instrument interface between the earthquake level observation field and the inner page does not need to be frequently plugged and unplugged, and the instrument equipment is effectively protected.

Drawings

FIG. 1 is a schematic diagram of a data collector communication interface, a special IEEE1394 bus header interface.

Fig. 2 is the utility model discloses seismic leveling equipment data wireless transmission system sketch.

Fig. 3 is a schematic diagram of a wireless transmission component of the data acquisition device.

FIG. 4 is a schematic diagram of a special IEEE1394 male header and pins of a communication interface of a wireless transmission component of a data acquisition device.

Fig. 5 is a schematic diagram of a wireless transmission part of the digital level.

FIG. 6 is a diagram of a computer wireless transmission component.

Detailed Description

The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.

The specific embodiment is as follows:

a wireless transmission system of seismic leveling equipment data: the wireless transmission device comprises a data acquisition unit wireless transmission part, a digital level meter wireless transmission part and a computer wireless transmission part.

The level wireless transmission part in this embodiment: the RS232 interface is connected with the interface conversion module, the interface conversion module is connected with the wireless communication module, and the wireless communication module is connected with the antenna.

The interface of the component adopts an RS232 interface male head, the interface conversion module adopts an MAX3232 or MAX232 chip to realize the conversion between RS232 level and TTL level signals, and the wireless communication module adopts a converged HC-12 wireless module. The power module adopts a lithium battery and a voltage stabilizing circuit to supply power.

The data acquisition unit wireless transmission part in this embodiment: the communication interface is connected with the interface conversion module, the interface conversion module is connected with the wireless communication module, the wireless communication module is connected with the antenna, and the power supply module provides power supply required by each module.

As shown in fig. 4, the communication interface is a special IEEE1394 male interface with redefined pins; the PIN PIN2 of the special IEEE1394 male interface is defined as 'GND', the PIN3 is defined as 'RX', the PIN4 is defined as 'TX', the PIN5 is defined as 'D-' USB data line, and the PIN6 is defined as 'D +' USB data line; taking three signals of PIN2, PIN3 and PIN4 as RS232 level signals, and realizing conversion between the RS232 signals and TLL level signals by using a MAX3232 or MAX232 chip; PIN2, PIN4 and PIN5 are added with four +5V signals provided by a power supply module to serve as USB level signals, conversion between the USB level and the TLL level signals is achieved through a PL2303 or CP2102 chip, and switching between RS232 and the USB signals is achieved through a switch circuit. The RS232 signal is used when the digital level wireless transmission part is connected, and the USB signal is used when the computer wireless transmission part is connected. The wireless communication module adopts a convergent HC-12 wireless module. The power module adopts a lithium battery and a voltage stabilizing circuit to supply power.

The computer wireless transmission component in the embodiment: the USB interface is connected with the interface conversion module, the interface conversion module is connected with the wireless communication module, and the wireless communication module is connected with the antenna assembly.

The component interface adopts a USB interface male head, the interface conversion module adopts a PL2303 or CP2102 chip to realize the conversion between USB level and TTL level signals, and the wireless communication module adopts a convergent HC-12 wireless module. The power supply of the component is provided by a USB interface of the computer.

The specific connection and use flow of this example is as follows: before the earthquake leveling operation, the wireless transmission part of the data acquisition unit is switched to an RS232 signal mode and is connected with a communication interface of the data acquisition unit. And connecting the wireless transmission part of the digital level with a serial port control line RS232 interface of the digital level.

The leveling operation begins, aim at the staff with digital level, data collection station sends and measures the reading command, the order passes through data collection station wireless transmission part wireless transmission for digital level wireless transmission part, digital level wireless transmission part passes the order to digital level again, will measure after the digital level reading and send data for data collection station wireless transmission part through digital level wireless transmission part, data collection station wireless transmission part will receive data transmission and record for data collection station.

After finishing the level field operation, the wireless transmission part of the digital level is closed, the wireless transmission part of the data acquisition unit is switched to a USB signal mode, and the wireless transmission part of the computer is connected with a USB interface of the computer. The data acquisition unit is wirelessly connected with the computer wireless transmission component through the data acquisition unit wireless transmission component, and transmits the data to the computer for calculation processing.

The present invention is described in detail by way of examples, and it will be apparent to those skilled in the art that modifications and equivalents of the embodiments can be made without departing from the spirit and scope of the invention.

Claims

1. A wireless data transmission system for seismic leveling equipment, comprising: the wireless transmission device comprises a data acquisition unit wireless transmission part, a digital level wireless transmission part and a computer wireless transmission part;

the data acquisition device wireless transmission part is connected with the data acquisition device, the digital level wireless transmission part is connected with the digital level, and the computer wireless transmission part is connected with the computer;

the data acquisition device wireless transmission part is wirelessly connected with the digital level instrument wireless transmission part to realize the data communication function of the data acquisition device and the digital level instrument;

the data acquisition device wireless transmission part is in wireless connection with the computer wireless transmission part, so that the data communication function between the data acquisition device and the computer is realized.

2. The wireless seismic leveling device data transmission system of claim 1, wherein: the data acquisition unit wireless transmission part consists of a communication interface, an interface conversion module, a wireless communication module, an antenna and a power supply module; the communication interface is connected with the interface conversion module, the interface conversion module is connected with the wireless communication module, the wireless communication module is connected with the antenna, and the power supply module provides power supply required by each module.

3. The wireless seismic leveling device data transmission system of claim 1, wherein: the wireless transmission part of the digital level gauge consists of an RS232 interface, an interface conversion module, a wireless communication module, an antenna and a power supply module; the RS232 interface is connected with the interface conversion module, the interface conversion module is connected with the wireless communication module, the wireless communication module is connected with the antenna, and the power supply module provides power supply required by each module.

4. The wireless seismic leveling device data transmission system of claim 1, wherein: the computer wireless transmission part consists of a USB interface, an interface conversion module, a wireless communication module and an antenna; the USB interface is connected with the interface conversion module, the interface conversion module is connected with the wireless communication module, and the wireless communication module is connected with the antenna assembly.

5. The wireless seismic leveling device data transmission system of claim 2 wherein: the wireless transmission part of the data acquisition unit adopts a double-signal switching mode by a communication interface and an interface conversion module to realize the switching of RS232 or USB signals as input and output signals.

6. The wireless seismic leveling device data transmission system according to claim 2 or 5, wherein: the communication interface of the wireless transmission part of the data acquisition unit is a special IEEE1394 male interface with redefined pins; the PIN PIN2 of the special IEEE1394 male interface is defined as 'GND', the PIN3 is defined as 'RX', the PIN4 is defined as 'TX', the PIN5 is defined as 'D-' USB data line, and the PIN6 is defined as 'D +' USB data line; taking three signals of PIN2, PIN3 and PIN4 as RS232 level signals; the PIN2, the PIN4, and the PIN5 are added with four +5V signals provided by the power supply module to serve as USB level signals.