CN209118114U - Portable type recorder - Google Patents
Portable type recorder Download PDFInfo
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- CN209118114U CN209118114U CN201920080905.2U CN201920080905U CN209118114U CN 209118114 U CN209118114 U CN 209118114U CN 201920080905 U CN201920080905 U CN 201920080905U CN 209118114 U CN209118114 U CN 209118114U
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Abstract
The utility model provides a kind of Portable type recorder, including sequentially connected voltage regulator module, NI acquisition module, data processing unit and communication module；The voltage regulator module is for connecting external voltage signal and carrying out range adjusting；The NI acquisition module is used to acquire the voltage signal after the range is adjusted and is uploaded；The data processing unit is used to receive the voltage signal uploaded, is uploaded to host computer by the communication module after processing.The utility model is by designing a kind of open test macro, configure user voluntarily according to the demand of measurement task, realize signal acquisition, analysis and the processing of plurality of devices, meet the measurement demand of high range, high-precision, multichannel, simultaneously the recorder have many advantages, such as it is small and exquisite it is portable, application range is wider, the test environment of industry spot complexity can be met.
Description
Technical field
The utility model relates to industrial circle signal acquisition and tests, in particular to a kind of based on the portable of SignalPad
Formula recorder.
Background technique
It is usually faced in industrial circle and needs this spy of the case where measuring to on-site signal equipment, especially nuclear power station
In different working environment, to guarantee that all devices of system are in normal working condition, it is necessary to periodically be carried out to various equipment
Signal acquisition and measurement.But traditional measuring instrumentss generally require manually to carry, into scene and equipment wiring to be measured
It measures, and often range is lower, channel is less for the measuring instrumentss, is not suitable at the sampling and analysis of signal of plurality of devices
Reason, also, since field device is more, larger workload, the testing time does not allow.
Utility model content
In view of this, being opened the main purpose of the utility model is to provide a kind of Portable type recorder by designing one kind
The test macro for putting formula configures user voluntarily according to the demand of measurement task, realize plurality of devices signal acquisition, analysis and
Processing, meets the measurement demand of high range, high-precision, multichannel, at the same the recorder have it is small and exquisite it is portable, application range is wider
The advantages that, the test environment of industry spot complexity can be met.
The technical solution adopted in the utility model is a kind of Portable type recorder, including sequentially connected voltage adjusts mould
Block, NI acquisition module, data processing unit and communication module；
The voltage regulator module is for receiving externally input voltage signal and carrying out range adjusting；
The NI acquisition module is used to acquire the voltage signal after the range is adjusted and is uploaded；
The data processing unit is used to receive the voltage signal uploaded and processing, then uploads by the communication module
To host computer.
By upper, can voluntarily be configured according to the demand of measurement task by Portable type recorder provided by the utility model, it is real
Signal acquisition, analysis and the processing of existing plurality of devices, meet the measurement demand of high range, high-precision, multichannel, while the record
Instrument have many advantages, such as it is small and exquisite it is portable, application range is wider, the test environment of industry spot complexity can be met.
Wherein, the data processing unit uses CompactRIO embedded module, the CompactRIO embedded module
Including real-time embedded controller, the cabinet of built-in fpga chip and a plurality of I/O modules；
The real-time embedded controller is connect with the fpga chip, and the fpga chip and a plurality of I/O modules are with star
Type topology be connected after with realize the communication with host computer and external equipment；
The cabinet is equipped with plurality of slots, and the NI acquisition module is plugged on the cabinet to be led to fpga chip
Letter.
By upper, CompactRIO embedded module is a kind of small and exquisite and firm control of industrialization and acquisition system, is utilized
Reconfigurable I/O (RIO) FPGA technology realizes very-high performance and can customize function, passes through the embedded mould of the CompactRIO
Block can voluntarily configure signal acquisition, analysis and the processing of plurality of devices, and the workability of the module according to their own needs
The hardware circuit that energy and optimization characteristics can be designed with custom-made compare favourably.
It is further improved, further includes the display module being connect with the data processing unit.
By upper, it can be used for acquisition and the measuring state of display recorder, and treated measurement data.
It is further improved, further includes the memory module being connect with the data processing unit.
By upper, the built-in memory module of the Portable type recorder, storage acquisition data, can also by the way that a USB interface is arranged,
It will be in acquired data storage to USB flash disk by grafting USB flash disk.
It is further improved, further includes a cabinet, the voltage regulator module, NI acquisition module, data processing unit and logical
Letter module is set in the cabinet；
The cabinet exterior panel is equipped with the plural groups input interface connecting with the voltage regulator module, for connecting
External signal；
Every group of input interface is correspondingly provided with key switch, for carrying out range switching.
It by upper, is commonly applied to due to the Portable type recorder in complicated outdoor environment, to guarantee above-mentioned each comprising modules
It is not damaged, above-mentioned each module is arranged in a cabinet, realized by the interface on case exterior panel logical with other equipment
Letter connection, meanwhile, which also has the advantages that easy to carry, compact and flexible.
Wherein, the voltage regulator module includes that a range adjusts circuit, and it includes voltage input end which, which adjusts circuit,
And voltage output end；
The voltage input end is sequentially connected in series the first single-pole double-throw switch (SPDT), first resistor, second resistance, 3rd resistor, the 4th
Voltage output end is connected after resistance and the second single-pole double-throw switch (SPDT)；
The voltage input end, which is also connected, is connected to the node of 3rd resistor Yu the 4th resistance after third single-pole double-throw switch (SPDT)；
Further include two acquisition terminals, is separately connected the both ends of the 4th resistance, exports after collection voltages signal to the NI
Acquisition module；
It also connects between described two acquisition terminals a Transient Suppression Diode.
By upper, by pressing key switch, it is switched on or switched off to control corresponding single-pole double-throw switch (SPDT), makes four resistance wholes
Or part access circuit, to realize the adjusting of voltage range.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model signal acquiring system；
Fig. 2 is the module principle figure of the utility model Portable type recorder；
Fig. 3 is the body structure figure of the utility model Portable type recorder；
Fig. 4 is the circuit diagram of the utility model voltage regulator module.
Specific embodiment
The main purpose of the utility model is to provide a kind of Portable type recorders, by using a kind of test system of opening
System, can voluntarily configure signal acquisition, analysis and the processing of plurality of devices according to their own needs.
Referring to the drawings below, the working principle of the utility model is described in detail.
As shown in Figure 1, Portable type recorder provided by the utility model, is mainly used in the signal acquisition of industry spot
In system, which is mainly counted by sequentially connected signal acquisition unit 100, Portable type recorder 200 and industry
300 three parts of calculation machine composition；
The signal acquisition unit 100 includes the instrument at scene, acquisition equipment and signalling arrangement etc.；
The core of the Portable type recorder 200 is that a set of voluntarily can be configured and be programmed according to collection in worksite task
Acquisition system.
As shown in Fig. 2, the Portable type recorder include sequentially connected voltage regulator module 210, NI acquisition module 220,
Data processing unit 230 and communication module 240；It further include the display module 250 being connect respectively with the data processing unit 230
With memory module 260；
The voltage regulator module 210 is connect with external equipment to be measured, receives its plurality of voltages signal, and according to electricity
It presses the size of signal to carry out range switching, measuring range is made to meet the needs of voltage signal；
The NI acquisition module 220 carries out the voltage signal entered via voltage regulator module 210 according to acquisition
Acquisition, and be uploaded to data processing unit 230 and carry out inter-process, the signal for handling completion can be uploaded via communication module 240
To industrial computer 300, waveform is carried out in its software interface and is shown, while treated that signal may be used also for data processing unit 230
It is saved, is stored in the memory module 260 of the recorder, the working condition of the recorder and the data of acquisition can be via aobvious
Show that module 250 carries out real-time display；
The data processing unit 230 is communicated by communication module 240 with industrial computer 300, its control is received
It orders and the voltage signal after upload process, the NI acquisition module 220 passes through according to the acquisition of data processing unit 230
Voltage regulator module 210 acquires the voltage signal of external equipment, meanwhile, which can also be according to external input
The size of voltage signal adjusts measuring range.
Wherein, the data processing unit 230 uses CompactRIO embedded system, the embedded system of the CompactRIO
System is a kind of small and exquisite and firm control of industrialization and acquisition system, mainly includes a real-time embedded controller, with can compile
The reconfigurable cabinet of 4 or 8 slots of journey fpga chip and a plurality of hot plug industry I/O modules；
The real-time embedded controller uses the real-time controller of NIcRIO-9031 model, and internal includes a work
Industry grade controller can reliably and accurately execute LabView real-time application, and can provide multi rate control, process is held
The functions such as line trace, the storage of onboard data and PERCOM peripheral communication.In addition the real-time controller is also equipped with the redundant electric of 9~30VDC
Source input, Ethernet network interface, USB and RS232 interface；
The FPGA cabinet is directly plugged with the NI acquisition module by the notch that it has and is connected, can high speed access I/
O circuit module and flexibly realize timing, trigger with the functions such as synchronous, also, due to the direct-connected FPGA cabinet of each NI acquisition module,
Rather than it is connected by bus, therefore Compact RIO system is almost without the response latency issue of control system.
As shown in figure 3, since the Portable type recorder is commonly applied in extraneous complex environment, therefore, in order to ensure that using the longevity
Life, which further includes a cabinet, above-mentioned voltage regulator module 210, NI acquisition module 220, data processing unit
230, communication module 240, display module 250 and memory module 260 are all set in the cabinet；
There are eight groups of signal input channels on the front panel of above-mentioned cabinet, be connected respectively with internal voltage regulator module
The measurement, it can be achieved that 8 road 0-60VDC voltages is connect, every group of channel includes two terminals, is respectively used to the positive and negative of connection input voltage
Pole is designed with key switch below every group of channel, and by piano key mode, setting is greater than 10V and the range less than 10V,
The measurement of the voltage range greater than 10V or less than 10V can be realized by pressing corresponding key switch, when two key switch are equal
Input signal is hanging when not pressing.
The circuit of the voltage regulator module is as shown in figure 4, red terminal shown in figure and black terminal respectively correspond
Two terminals of the signal input channel on above-mentioned cabinet panel, wherein the anode of red terminal connection input voltage signal is black
Color terminal connects the cathode of input voltage, and acquisition terminal DB9-pin6 and DB9-pin7 are final access NI acquisition module 220
Voltage signal end；
The input terminal of above-mentioned red terminal connection single-pole double-throw switch (SPDT) KeyA, the output end of single-pole double-throw switch (SPDT) KeyA according to
The input terminal of single-pole double-throw switch (SPDT) KeyB, the output of single-pole double-throw switch (SPDT) KeyB are connected after secondary series resistance R4, R3, R2, R1
End connection black terminal；
Also connect single-pole double-throw switch (SPDT) KeyC between the node of resistance R1, R2 and red terminal；
Above-mentioned R1~R4 is divider resistance, and wherein the effect of R1 is sampling resistor, acquires terminal DB9-pin6 and DB9-
Pin7 is separately connected the both ends of resistance R1；
The transient state for a TVSP6KE11A model of also connecting between above-mentioned acquisition terminal DB9-pin6 and DB9-pin7 inhibits two
Pole pipe, the Transient Suppression Diode are a kind of high-effect protection devices of diode.When the two poles of the earth of TVS diode are by anti-
When to transient state high energy impact events, the high impedance of its two interpolar can be become low-resistance with the speed of 10 minus 12 power second-time by it
It is anti-, up to thousands of watts of surge power is absorbed, makes the voltage clamp of two interpolars in a predetermined value, is effectively protected electronic circuit
In precision components, from the damage of various surge pulses.
The working principle of circuit are as follows:
When the key switch (> 10V range) on the left side is pressed, i.e. KeyA in circuit diagram and KeyB switch are pressed, contact
L-2 and contact L-3 is connected, and contact L-5 and contact L-6 are connected, and input voltage signal V1 enters from red terminal (anode), successively
It by R4, R3, R2, R1, is exported from black terminal (cathode), the voltage at the both ends R1 of acquisition module acquisition at this time can calculate acquisition
The collected voltage signal Vs=V1*R1/ (R1+R2+R3+R4) of module；
When the key switch (< 10V range) on the right is pressed, i.e. KeyC in circuit diagram and KeyB switch are pressed, contact
R-3 and contact R -2 are connected, and contact L-5 and contact L-6 are connected, and input voltage signal V1 enters from red terminal (anode), only logical
R1 is crossed, is exported from black terminal (cathode), it is collected can to calculate acquisition module for the voltage at the both ends R1 of acquisition module acquisition at this time
Voltage signal Vs=V1.
As described above, being greater than 10V or the measurement less than 10V to realize by the key switch on the pressing left side or the right
The switching of range.
The Portable type recorder is by cooperating the SignalPad software realization signal run on above-mentioned industrial computer 300
Acquisition and control.The main interface of the software is by title bar, menu bar, toolbar, interface navigation column, analysis view area and status bar
Composition, title bar show dbase and have opened project name.Menu bar and toolbar include that the basic function of software is fast
Prompt access mode.Diesel Engine Status Monitoring System is mainly made of " acquisition stores " and " recovering and analysis " two main interfaces, interface
Navigation bar is used to switch between two main interfaces.Analysis view area is the nucleus of software, shows signal waveform and analysis
As a result.May include multiple views in analysis view area, each view is an independent analytic function, as power spectrum, chromatogram,
Waterfall plot etc..View number, view type, the view location size that analysis view area includes etc. is configurable.Analyze view area
Configuration can be reserved for and be loaded into.Status bar shows signal playback progress bar and signal acquisition/playback duration；
By the SignalPad software, it can be achieved that human-computer interaction, parameter configuration, data acquisition control, waveform show, number
According to functions such as storage and data readbacks.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of Portable type recorder, which is characterized in that including sequentially connected voltage regulator module, NI acquisition module, data
Processing unit and communication module；
The voltage regulator module is for receiving externally input voltage signal and carrying out range adjusting；
The NI acquisition module is used to acquire the voltage signal after the range is adjusted and is uploaded；
The data processing unit is used to receive the voltage signal uploaded and processing, is then uploaded to by the communication module
Position machine.
2. Portable type recorder according to claim 1, which is characterized in that the data processing unit uses
CompactRIO embedded module, the CompactRIO embedded module include real-time embedded controller, built-in fpga chip
Cabinet and a plurality of I/O modules；
The real-time embedded controller is connect with the fpga chip, which is opened up with a plurality of I/O modules with star-like
Flutter the communication after being connected with realization and host computer and external equipment；
The cabinet is equipped with plurality of slots, and the NI acquisition module is plugged on the cabinet and is communicated with fpga chip.
3. Portable type recorder according to claim 1, which is characterized in that further include being connect with the data processing unit
Display module.
4. Portable type recorder according to claim 1, which is characterized in that further include being connect with the data processing unit
Memory module.
5. Portable type recorder according to claim 1, which is characterized in that further include a cabinet, the voltage adjusts mould
Block, NI acquisition module, data processing unit and communication module are set in the cabinet；
The cabinet exterior panel is equipped with the plural groups input interface connecting with the voltage regulator module, for connecting outside
Signal；
Every group of input interface is correspondingly provided with key switch, for carrying out range switching.
6. Portable type recorder according to claim 1, which is characterized in that the voltage regulator module includes a range tune
Economize on electricity road, it includes voltage input end and voltage output end which, which adjusts circuit,；
The voltage input end is sequentially connected in series the first single-pole double-throw switch (SPDT), first resistor, second resistance, 3rd resistor, the 4th resistance
Voltage output end is connected with after the second single-pole double-throw switch (SPDT)；
The voltage input end, which is also connected, is connected to the node of 3rd resistor Yu the 4th resistance after third single-pole double-throw switch (SPDT)；
Further include two acquisition terminals, is separately connected the both ends of the 4th resistance, exports after collection voltages signal to the NI and acquire
Module；
It also connects between described two acquisition terminals a Transient Suppression Diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080905.2U CN209118114U (en) | 2019-01-17 | 2019-01-17 | Portable type recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080905.2U CN209118114U (en) | 2019-01-17 | 2019-01-17 | Portable type recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209118114U true CN209118114U (en) | 2019-07-16 |
Family
ID=67209322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920080905.2U Active CN209118114U (en) | 2019-01-17 | 2019-01-17 | Portable type recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209118114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956797A (en) * | 2019-11-29 | 2020-04-03 | 北京航天试验技术研究所 | Portable pulse sending and data acquisition test system |
-
2019
- 2019-01-17 CN CN201920080905.2U patent/CN209118114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956797A (en) * | 2019-11-29 | 2020-04-03 | 北京航天试验技术研究所 | Portable pulse sending and data acquisition test system |
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