CN207181570U - A kind of electronic surveying integrated system - Google Patents
A kind of electronic surveying integrated system Download PDFInfo
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- CN207181570U CN207181570U CN201721699183.6U CN201721699183U CN207181570U CN 207181570 U CN207181570 U CN 207181570U CN 201721699183 U CN201721699183 U CN 201721699183U CN 207181570 U CN207181570 U CN 207181570U
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- signal
- module
- host computer
- main control
- unit
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Abstract
A kind of electronic surveying integrated system is the utility model is related to, including：Host computer, main control module, signal generating module, digital oscilloscope acquisition module and test platform, the host computer send working signal, and the data of measurement are stored and shown；The main control module input is connected with the host computer by USB interface, receives the control signal of host computer, is transferred to the signal generating module and the digital oscilloscope acquisition module；The signal generating module sends waveform signal to measurand；The signal of the digital oscilloscope acquisition module collection measurand, and transmitted by the main control module into host computer.The utility model realizes the purpose of " set of system replaces multiple laboratories ", can not only reduce the fund input of experimental teaching, and experiment pendulum can be made to take off simulation stage, strides into teaching experiment and the engineering actual stage being combined.
Description
Technical field
The utility model belongs to industrial measurement and control field, more particularly to a kind of electronic surveying integrated system.
Background technology
Investigation finds that many institution of higher learning's science and engineering experimental teachings now also rest on simulation stage, it is impossible to make student true
Just taken exercise and inspired from practical operation, student needs to use multiple electronic measuring instruments when doing the experiment of different content
Operate together, so inconvenient student tests, and efficiency is low.And the instrument such as the signal generator of in the market, digital oscilloscope
Can not be also big according to the customized development that needs in laboratory, the fund input of experimental teaching.
Utility model content
In order to solve deficiency of the prior art, the utility model provides a kind of electronic surveying integrated system, by instrument mould
Block is integrated into a system, realizes the purpose of " set of system replaces multiple laboratories ".
A kind of electronic surveying integrated system of the utility model is achieved through the following technical solutions：
A kind of electronic surveying integrated system, including：Host computer, main control module, signal generating module and digital oscilloscope
Acquisition module, wherein：
The host computer, sends working signal, and the data of measurement are stored and shown；
The main control module, its input are connected with the host computer by USB interface, receive the control letter of host computer
Number, it is transferred to the signal generating module and the digital oscilloscope acquisition module；
The signal generating module, waveform signal is sent to measurand；
The digital oscilloscope acquisition module, the signal of measurand is gathered, and it is supreme by main control module transmission
In the machine of position.
Further, the signal generating module includes EBI communication unit I, signal generating unit and signal condition
Unit, wherein：
EBI communication unit I, a microprocessor I, completion and master control are connected by the dual port RAM of the first fpga chip
Data communication between module；
Signal generating unit, it is connected with the EBI communication unit I, including it is synchronous trigger controller, phase-accumulated
Device, wave memorizer and D/A converter, the synchronous trigger controller are connected with the EBI, and reception signal is successively
Transmit to phase accumulator, wave memorizer and D/A converter；
Signal condition unit, reception signal generating unit pass through D/A converter signal, pass sequentially through difference amplifier and
Biasing circuit is transferred to by variable connector control after elliptic filter, via being exported after attenuator circuit, the biasing circuit leads to
Cross microprocessor I to control, the signal condition unit also includes amplitude controller and sent out with the connection control signal of microprocessor I
The output amplitude of the D/A converter of raw unit.
Further, the digital oscilloscope acquisition module includes EBI communication unit II, signal condition unit, triggering
Circuit and A/D collecting units, wherein：
EBI communication unit II, a microprocessor II is connected by the dual port RAM of the second fpga chip, completed and main
Control the data communication between module；
Signal condition unit, the signal and collection signal of the EBI communication unit II are received, by the signal of collection
It is adjusted within suitable voltage range, big signal is decayed, small-signal is amplified；
Triggers circuit, the signal condition unit is connected, control the original position of waveform signal acquisition, the ripple stablized
Shape；
A/D collecting units, the signal condition unit is connected, converts analog signals into data signal.
Further, the main control module includes the 3rd fpga chip and communicates connection with the 3rd fpga chip
USB chips, wherein：USB chips use CY7C68013-128AC chips, and fpga chip uses EP1C3T144C8N chips.
Further, the system also includes power module, and setting REG-1117 voltage-stablizers carry out voltage transformation in it.
The beneficial effects of the utility model：
1st, the utility model integrated system by host computer can accurate controller unit, and can be in host computer clearly
Show data, the waveform of measurement；And can be according to the different host computer interface of the different choice of measurand, instrumental function.
2nd, the utility model integrated system by the real-time collection to data and is analyzed, and passes through main control module while collection
Transfer data in host computer, data are further processed, the convenient management to data.
3rd, the dual port RAM of the fpga chip of the utility model integrated system first and the dual port RAM of the second fpga chip will be adopted
The data collected are quickly transmitted to main control module, and are communicated by USB and pass data in host computer back, carry out data processing, so
Both recognize the application of virtual instrument technique, and reach the purpose to signal measurement again.
Brief description of the drawings
Fig. 1 is the module frame chart of the utility model integrated system；
Fig. 2 is the module frame chart of the main control module of the utility model integrated system；
Fig. 3 is the module frame chart of the utility model integrated system signal generating module；
Fig. 4 is the module frame chart of the utility model integrated system digital oscillograph acquisition module.
Wherein：1st, host computer, 2, main control module, 3, signal generating module, 4, digital oscilloscope acquisition module, 5, tested pair
As.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Referring to Fig. 1, a kind of electronic surveying integrated system, including：Host computer 1, main control module 2, signal generating module 3, number
Word oscillograph acquisition module 4 and power module, wherein：The host computer 1 sends working signal, and the data of measurement are deposited
Storage and display；The main control module 2, its input are connected with the host computer 1 by USB interface, receive the control of host computer 1
Signal, it is transferred to the signal generating module 3 and the digital oscilloscope acquisition module 4；The signal generating module 3, sends
Waveform signal is to measurand 5；The digital oscilloscope acquisition module 4, gathers the signal of measurand 5, and passes through the master
Control module 2 is transmitted into host computer 1, and power module provides power supply for integrated system, and setting REG-1117 voltage-stablizers are carried out in it
Voltage transformation.
Referring to Fig. 2, main control module 2 includes the 3rd fpga chip and the USB with the 3rd fpga chip communication connection
Chip, wherein：USB chips use CY7C68013-128AC chips, and the 3rd fpga chip uses EP1C3T144C8N chips；The
Three fpga chips include bus processing unit, clock generation unit, interrupt processing unit, synchronization/trigger element, address decoding list
Member；USB chips are responsible for instrument and upper machine communication, and FPGA is responsible for the transmission of controller and other module commands, parsing.
Referring to Fig. 3, signal generating module 3 includes EBI communication unit I, signal generating unit and signal condition list
Member, wherein：EBI communication unit I connects a microprocessor I, completion and master control by the dual port RAM of the first fpga chip
Data communication between module 2；Signal generating unit is connected with the EBI communication unit I, including synchronous triggering control
Device, phase accumulator, wave memorizer and D/A converter, the synchronous trigger controller are connected with the EBI, connect
The collection of letters number is transmitted to phase accumulator, wave memorizer and D/A converter successively；Signal condition unit reception signal occurs single
Member passes through the signal of D/A converter, is transferred to after passing sequentially through difference amplifier and elliptic filter by variable connector control
Biasing circuit, via being exported after attenuator circuit, the biasing circuit is controlled by microprocessor I, and the signal condition unit is also
Output amplitude including amplitude controller Yu the D/A converter of the connection control signal generating unit of microprocessor I.
Referring to Fig. 4, digital oscilloscope acquisition module 4 includes EBI communication unit II, signal condition unit, triggering electricity
Road and A/D collecting units, wherein：EBI communication unit II, a micro- place is connected by the dual port RAM of the second fpga chip
Device II is managed, completion communicates with the data between main control module 2；Signal condition unit receives the EBI communication unit II
Signal and collection signal, the input coupler Jing Guo signal condition unit, high resistant attenuator, the impedance conversion successively of collection signal
Device, attenuator and driving amplifier, the signal of collection is adjusted within suitable voltage range, big signal is declined
Subtract, small-signal is amplified；Triggers circuit connects the signal condition unit, controls the original position of waveform signal acquisition,
The waveform stablized；A/D collecting units connect the signal condition unit, convert analog signals into data signal, A/D is adopted
Collection unit selects binary channels digital-to-analogue A/D converter model AD9288, converts analog signals into data signal and is stored to the 2nd FPGA
In Data within the chip memory (FIFO).
A kind of electronic surveying integrated system specific work process of the utility model：
The preparation of experiment is carried out in the position of experiment first, the utility model instrument is placed into specified location, will
The utility model instrument is connected by USB line with host computer, and main control module 2 is total by backboard with digital oscilloscope acquisition module 4
Line connects, and sends working signal by host computer, main control module 2 and digital oscilloscope acquisition module 4 and signal generating module 3 are logical
News.
Working signal is sent by host computer, is transferred to main control module 2, signal resolution is transmitted to signal and sent out by main control module 2
Raw module 3 sends the waveforms such as sine wave, triangular wave, square wave；Host computer sends working signal and passed to main control module 2, main control module 2
Defeated signal gathers signal to digital oscilloscope acquisition module 4, digital oscilloscope acquisition module 4, and the signal of collection passes through master control mould
Data are transmitted to host computer and handled by block 2, and are shown.
The measuring method of electronic surveying integrated system, comprises the following steps：
A, work is ready in experimental site, the utility model instrument is put into experimental site, after checking modules,
Start instrument；
B, electronic surveying integrated system main control module 2 is connected by USB line with host computer, probe is connected to signal hair
Raw module 3 and digital oscilloscope acquisition module 4, and two module probe interconnections, host computer 1 are recorded into measurement result in real time, with
Standby data analysis uses.
C, host computer sends signal, and the control signal of main control module 2 occurs module 3 and sends waveform signal to measurand 5；
D, PC control digital oscilloscope acquisition module 4 gathers the signal of measurand 5, and the signal gathered out passes through
Main control module 2, and signal is finally transferred to host computer, host computer is handled the data-signal of collection, is stored and is shown；
E, experiment, the data of measurement, waveform are clearly shown on host computer.
The foregoing is only a specific embodiment of the invention, when can not limit the scope implemented of the present invention with this, it is all according to
The equivalent variations and modification that the present invention is made, should all belong to protection scope of the present invention.
Claims (5)
- A kind of 1. electronic surveying integrated system, it is characterised in that including：Host computer, main control module, signal generating module and number Word oscillograph acquisition module, wherein：The host computer, sends working signal, and the data of measurement are stored and shown；The main control module, its input are connected with the host computer by USB interface, receive the control signal of host computer, are passed It is defeated by the signal generating module and the digital oscilloscope acquisition module；The signal generating module, waveform signal is sent to measurand；The digital oscilloscope acquisition module, the signal of measurand is gathered, and transmitted by the main control module to host computer In.
- 2. electronic surveying integrated system according to claim 1, it is characterised in that the signal generating module connects including bus Mouth communication unit I, signal generating unit and signal condition unit, wherein：EBI communication unit I, a microprocessor I, completion and main control module are connected by the dual port RAM of the first fpga chip Between data communication；Signal generating unit, it is connected with the EBI communication unit I, including synchronous trigger controller, phase accumulator, ripple Shape memory and D/A converter, the synchronous trigger controller are connected with the EBI, reception signal transmit successively to Phase accumulator, wave memorizer and D/A converter；Signal condition unit, reception signal generating unit pass through the signal of D/A converter, pass sequentially through difference amplifier and ellipse Biasing circuit is transferred to by variable connector control after wave filter, via being exported after attenuator circuit, the biasing circuit passes through micro- Processor I controls, and the signal condition unit also includes amplitude controller and list occurs with the connection control signal of microprocessor I The output amplitude of the D/A converter of member.
- 3. electronic surveying integrated system according to claim 1, it is characterised in that the digital oscilloscope acquisition module includes EBI communication unit II, signal condition unit, triggers circuit and A/D collecting units, wherein：EBI communication unit II, a microprocessor II is connected by the dual port RAM of the second fpga chip, completed and master control mould Data communication between block；Signal condition unit, the signal and collection signal of the EBI communication unit II are received, the signal of collection is adjusted To within suitable voltage range, big signal is decayed, small-signal is amplified；Triggers circuit, the signal condition unit is connected, control the original position of waveform signal acquisition, the waveform stablized；A/D collecting units, the signal condition unit is connected, converts analog signals into data signal.
- 4. electronic surveying integrated system according to claim 1, it is characterised in that the main control module includes the 3rd FPGA cores Piece and the USB chips with the 3rd fpga chip communication connection, wherein：USB chips use CY7C68013-128AC cores Piece, fpga chip use EP1C3T144C8N chips.
- 5. electronic surveying integrated system according to claim 1, it is characterised in that the system also includes power module, in it REG-1117 voltage-stablizers are set to carry out voltage transformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699183.6U CN207181570U (en) | 2017-12-08 | 2017-12-08 | A kind of electronic surveying integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699183.6U CN207181570U (en) | 2017-12-08 | 2017-12-08 | A kind of electronic surveying integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181570U true CN207181570U (en) | 2018-04-03 |
Family
ID=61745874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721699183.6U Expired - Fee Related CN207181570U (en) | 2017-12-08 | 2017-12-08 | A kind of electronic surveying integrated system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181570U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580845A (en) * | 2019-10-21 | 2019-12-17 | 西安与或电子科技有限公司 | Virtual instrument embedded in comprehensive teaching experiment platform |
| CN110703127A (en) * | 2019-11-01 | 2020-01-17 | 中国人民解放军海军航空大学 | Airplane cable fault detection device and detection method thereof |
| CN110927419A (en) * | 2019-11-22 | 2020-03-27 | 北京博电新力电气股份有限公司 | Signal generation system, method and storage medium |
-
2017
- 2017-12-08 CN CN201721699183.6U patent/CN207181570U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580845A (en) * | 2019-10-21 | 2019-12-17 | 西安与或电子科技有限公司 | Virtual instrument embedded in comprehensive teaching experiment platform |
| CN110703127A (en) * | 2019-11-01 | 2020-01-17 | 中国人民解放军海军航空大学 | Airplane cable fault detection device and detection method thereof |
| CN110927419A (en) * | 2019-11-22 | 2020-03-27 | 北京博电新力电气股份有限公司 | Signal generation system, method and storage medium |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20181208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |