CN202189099U - Portable monitor - Google Patents
Portable monitor Download PDFInfo
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- CN202189099U CN202189099U CN2011201851332U CN201120185133U CN202189099U CN 202189099 U CN202189099 U CN 202189099U CN 2011201851332 U CN2011201851332 U CN 2011201851332U CN 201120185133 U CN201120185133 U CN 201120185133U CN 202189099 U CN202189099 U CN 202189099U
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Abstract
The utility model provides a portable monitor, including a cabinet and a control module and a man-machine interface module arranged in the cabinet. The cabinet employs 4U height; the control module includes a signal regulator, an acquisition and storage module, a power plate, an AC plate and a DC plate which are inserted in the cabinet; the power plate, the AC plate and the DC plate are respectively connected with the signal regulator; the signal regulator transforms an on-site signal emitted by the AC plate and the DC plate to a weak electric signal and transmits the transformed signal to the acquisition and storage module; and on-site signal monitoring is completed after processing by the acquisition and storage module. In the portable monitor provided in the utility model, usage is convenient, operation is simple, precision is high, anti-interference capability is strong, the volume is small, earthquake-proof performance is good, and the portable monitor is convenient for carrying.
Description
Technical field:
The present invention relates to the power system measuring field, be specifically related to a kind of portable electric energy quality/phasor monitoring device that is used for field adjustable.
Background technology:
The safe and stable operation of the quality of power supply, electrical network is the problem that electrical network production run administrative authority pays close attention to most, also is the key issue that intelligent grid need solve simultaneously.Monitoring to the quality of power supply at present realizes through the harmonic monitoring appearance that mainly the monitoring of electrical network mainly reaches the synchronous phasor measurement unit (Phasor Measurement Unit is called for short PMU) that occurred in recent years through RTU, fault oscillograph and realizes.All kinds of monitoring systems of setting up on this basis (like WAMS) have realized dynamic monitoring and online stability Calculation analysis to electrical network; Thereby the online decision-premaking information for the dispatching of power netwoks operations staff provides real-time power network operation conditions and operation of power networks has strengthened the power scheduling operations staff and has controlled the ability of operation of power networks.
But existing monitoring equipment needs group screen to be fixedly mounted on generating plant or transformer station, and complicacy of configuration is installed, and cost an arm and a leg, and all installs at not all factory station; Simultaneously all kinds of checkout equipment focus are different, caused the installation that repeats of monitoring equipment, and the mounted monitoring equipment of part is underutilized, and caused the waste on the resource; And when operation of power networks department when needs are understood the information at some factories that monitoring equipment is not installed stations or in system test, need be obtained significant data; Often because monitoring equipment is not installed at these factory stations; And can't obtain corresponding information and data, cause very inconvenient in the use problem.
The utility model content:
The utility model purpose is; A kind of portable quality of power supply is proposed, the phasor monitoring instrument is used for provisional data recording and measurement; Integrate functions such as isolation, measurement, calculating, demonstration; Only need in test an analyser just can accomplish work such as test for data record, analyzing and processing and local storage, make test operation personnel's workload reduce to minimum, and can in time obtain test findings and printout; The once amount and the secondary calculating amount that can also show various measurements in real time.
For realizing above-mentioned purpose; The utility model provides a kind of portable monitoring appearance, comprises cabinet, is plugged in the control module and the human-machine interface module of cabinet inside; Its improvements are; Said cabinet adopts the 4U height, and said control module comprises signal conditioner, collection memory module, power panel, interchange plate and the direct current plate that is plugged in cabinet inside, and said power panel, interchange plate are connected with signal conditioner respectively with the direct current plate; Said signal conditioner will reach the collection memory module after will converting weak electric signal into through the on-site signal that interchange plate and direct current plate transmit, and handle the monitoring of back completion to on-site signal through gathering memory module.
In the optimal technical scheme that the utility model provides, said collection memory module comprises AD conversion chip, clock synchronization module, FPGA, DSP and single card microcomputer; The AD conversion chip receives from the weak electric signal of said signal conditioner conversion and behind the digital weak electric signal after will carrying out analog to digital conversion and reaches said FPGA; Said FPGA reaches said DSP in the lump with digital weak electric signal with through the GPS pps pulse per second signal that clock synchronization module transmits, and after said DSP handles, reaches said single card microcomputer again and accomplishes the monitoring to on-site signal.
In second optimal technical scheme that the utility model provides, adopt the switching value output channel with the output of switching value Signal Spacing, the switching value output channel comprises photoelectric isolating circuit and drives relay; Said DSP is connected with said driving relay with said photoelectric isolating circuit successively.
In the 3rd optimal technical scheme that the utility model provides, said signal conditioner reaches the AD conversion chip with weak electric signal through signal input channel and carries out analog to digital conversion.
In the more preferably technical scheme that the utility model provides, said DSP links to each other with single card microcomputer through pci bus, and digital weak electric signal and GPS pps pulse per second signal are reached single card microcomputer through pci bus.
The utility model provide second more preferably in the technical scheme; Said signal conditioner adopts dismountable card insert type signal regulating panel; Said AD conversion chip adopts 16 AD conversion chips, and said clock synchronization module adopts the GPS receiving circuit, and said single card microcomputer adopts the PC104 single card microcomputer.
The utility model provides the 3rd more preferably in the technical scheme, and the quantity of said signal input channel is the 8-48 road.
The utility model provides the 4th more preferably in the technical scheme, is mounted with virtual instrument and application software on the said PC104 single card microcomputer.
The utility model provides the 4th more preferably in the technical scheme, and the width of said cabinet is 19 inches or 19*2/3 inch, and the front panel of said cabinet is provided with the touch-screen of human-machine interface module.
The utility model provides the 5th more preferably in the technical scheme, and said human-machine interface module comprises mouse and keyboard and is used for the transient state of storage of collected, the storer of dynamic data.
With the prior art ratio, the beneficial effect of the utility model is, that the monitor that the utility model provides has is easy to use, simple to operate, precision is high, antijamming capability is strong, in light weight, volume is little, shock resistance good, the characteristics that are convenient for carrying; The quantity of measuring passage simultaneously is abundant, has satisfied on-the-spot demand; And have sufficiently high sampling rate, satisfied the quality of power supply to analysis of harmonic; And have multiple to the time mode, when antenna can't be laid in the scene, can through the IRIG coding mode accomplish to the time.
Description of drawings:
Fig. 1 is that the inside of portable monitoring appearance is formed, the work synoptic diagram.
Fig. 2 is the cabinet backboard figure of portable monitoring appearance.
Fig. 3 is the chassis backplane figure of portable monitoring appearance.
Fig. 4 is the front panel figure of portable monitoring appearance.
Fig. 5 is photoelectric isolating circuit and the circuit diagram that drives relay.
Embodiment:
Like Fig. 1,2,3,4, shown in 5; The portable monitoring appearance; Comprise cabinet; Signal regulating panel, power panel, interchange plate, direct current plate, 16 AD conversion chips, GPS receiving circuit, FPGA, DSP and PC104 single card microcomputers of being located at 8 inches high-resolution colored TFT liquid crystal display touch-screens on the cabinet and being located at cabinet inside with the form of pegging graft; Power panel, interchange plate are connected with signal conditioner respectively with the direct current plate; Said signal conditioner will reach 16 AD conversion chips after will converting weak electric signal into through the on-site signal that interchange plate and direct current plate transmit; The digital weak electric signal that said 16 AD conversion chips will carry out after the analog to digital conversion reaches FPGA, and said FPGA reaches DSP in the lump with digital weak electric signal with through the GPS pps pulse per second signal that the GPS receiving circuit transmits, and after DSP handles, reaches the PC104 single card microcomputer again and accomplishes the monitoring to on-site signal.Said signal conditioner reaches the AD conversion chip with weak electric signal through signal input channel and carries out analog to digital conversion, and DSP links to each other with the PC104 single card microcomputer through pci bus, and digital weak electric signal and GPS pps pulse per second signal are reached the PC104 single card microcomputer through pci bus.Detector adopts the switching value output channel with the output of switching value Signal Spacing, and the switching value output channel comprises photoelectric isolating circuit and drive relay that said DSP is connected with said driving relay with said photoelectric isolating circuit successively; Photoelectric isolating circuit is made up of chip 4n25 and chip 2803, drives relay and is made up of relay and protection diode.The portable monitoring appearance be externally connected to mouse, keyboard.
As shown in Figure 4; Said cabinet adopts the 4U height; The 19*2/3 inch is 19 inches width perhaps, is embedded in the PC104 single card microcomputer, realizes the calculating of synchronized phasor, the function of network service; Man-machine interface is 8 inches high-resolution colored TFT liquid crystal display touch-screens, realizes the display analysis function of data.
Because portable detector has used above-mentioned structure; Detector can be isolated input with simulating signals such as the high voltage at scene, big electric currents; And will isolate mould rotaring signals such as the high voltage of input, big electric current and convert digital signal to; Through the high-speed PCI bus these measuring amount are sent into the PC104 single card microcomputer, simultaneously also through the high-speed PCI bus with the various command that the PC104 single card microcomputer sends, drive the on-the-spot switching value signals such as alerting signal of driving relay control of self; And the voltage and current signal of the generator voltage current signal through various signals conditioning plate measure field, on-the-spot PT, CT output, 4-20mA signal, active passive switching value signal and ± 20V AC/DC universal signal etc.These signal regulating panels can customize according to requirements of different users, and owing to adopted the card insert type design, the user only need change the detection that signal regulating panel can be accomplished unlike signal.
The number of channels of said signal input channel is 8 the road to 48 the tunnel; Analog quantity is isolated input and is adopted D.C mutual-inductor and direct current transducer; The dc-isolation voltage of D.C mutual-inductor and direct current transducer can reach 2000V and 2500V respectively, and measuring accuracy all can reach 0.2%; The dc-isolation voltage that the switching value input is isolated can reach 2500V.The dc-isolation voltage that switching value is isolated output can reach 3000V, and has the driving force that exchanges 250V/10A.
Portable electric energy quality, phasor monitor have memory function on the spot, are used for transient state, the dynamic data of storage of collected.
Application software is mounted in the PC104 single card microcomputer, and its major function is to show, write down, analyze, handle and output data, is the main interface of carrying out information communication with operating personnel.The data that application software receive to be gathered, and data are handled make it pass through the information of the on-the-spot various measuring-signals of the directly perceived and real-time demonstration of manifestation modes such as figure, data, electronic instrument, electrical form.Application software can also be carried out three-phase power quality analysis, power measurement, frequency analysis, three-phase voltage/measurements such as current imbalance degree, and can write down the undesired incident of various electric current and voltages.
Virtual instrument is mounted in the PC104 single card microcomputer, can monitor mains frequency, voltage/current effective value, total gaining merit/idle/power factor, three-phase fundamental voltage/current effective value, fundamental voltage/current phase, fundamental power/power factor, voltage deviation, frequency departure, imbalance of three-phase voltage degree, negative phase-sequence amount, total percent harmonic distortion, each harmonic containing ratio etc.
Claims (9)
1. portable monitoring appearance; Said monitor comprises: cabinet, the control module that is plugged in cabinet inside and human-machine interface module; It is characterized in that; Said cabinet adopts the 4U height, and said control module comprises signal conditioner, collection memory module, power panel, interchange plate and the direct current plate that is plugged in cabinet inside, and said power panel, interchange plate are connected with signal conditioner respectively with the direct current plate; Said signal conditioner will reach the collection memory module after will converting weak electric signal into through the on-site signal that interchange plate and direct current plate transmit, and handle the monitoring of back completion to on-site signal through gathering memory module.
2. monitor as claimed in claim 1 is characterized in that, said collection memory module comprises AD conversion chip, clock synchronization module, FPGA, DSP and single card microcomputer; The AD conversion chip receives from the weak electric signal of said signal conditioner conversion and the digital weak electric signal after will carrying out analog to digital conversion reaches said FPGA; Said FPGA reaches said DSP in the lump with digital weak electric signal with through the GPS pps pulse per second signal that clock synchronization module transmits, and after said DSP handles, reaches said single card microcomputer again and accomplishes the monitoring to on-site signal.
3. monitor as claimed in claim 2 is characterized in that: adopt the switching value output channel with the output of switching value Signal Spacing, the switching value output channel comprises photoelectric isolating circuit and drives relay; Said DSP is connected with said driving relay with said photoelectric isolating circuit successively.
4. monitor as claimed in claim 2 is characterized in that: said signal conditioner reaches the AD conversion chip with weak electric signal through signal input channel and carries out analog to digital conversion.
5. monitor as claimed in claim 2 is characterized in that: said DSP links to each other with single card microcomputer through pci bus, and digital weak electric signal and GPS pps pulse per second signal are reached single card microcomputer through pci bus.
6. monitor as claimed in claim 2; It is characterized in that: said signal conditioner adopts dismountable card insert type signal regulating panel; Said AD conversion chip adopts 16 AD conversion chips, and said clock synchronization module adopts the GPS receiving circuit, and said single card microcomputer adopts the PC104 single card microcomputer.
7. monitor as claimed in claim 4 is characterized in that: the quantity of said signal input channel is the 8-48 road.
8. monitor as claimed in claim 1 is characterized in that, the width of said cabinet is 19 inches or 19*2/3 inch, and the front panel of said cabinet is provided with the touch-screen of human-machine interface module.
9. monitor as claimed in claim 1 is characterized in that, said human-machine interface module comprises mouse and keyboard and is used for the transient state of storage of collected, the storer of dynamic data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201851332U CN202189099U (en) | 2011-06-03 | 2011-06-03 | Portable monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201851332U CN202189099U (en) | 2011-06-03 | 2011-06-03 | Portable monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189099U true CN202189099U (en) | 2012-04-11 |
Family
ID=45920539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201851332U Expired - Fee Related CN202189099U (en) | 2011-06-03 | 2011-06-03 | Portable monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189099U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928687A (en) * | 2012-09-11 | 2013-02-13 | 上海航天测控通信研究所 | Personal computer (PC) 104 and K virtual machine (KVM) based portable high-integration test equipment and test method |
| CN103426288A (en) * | 2012-05-15 | 2013-12-04 | 苏州工业园区新宏博通讯科技有限公司 | Multifunctional alternating current electric energy acquisition terminal |
| CN103424636A (en) * | 2012-05-15 | 2013-12-04 | 苏州工业园区新宏博通讯科技有限公司 | Multi-functional alternating-current and direct-current electric energy collection terminal |
| CN103792401A (en) * | 2012-10-30 | 2014-05-14 | 苏州工业园区新宏博通讯科技有限公司 | DC electricity meter board card module |
| CN104238398A (en) * | 2013-06-24 | 2014-12-24 | 成都旋极历通信息技术有限公司 | Multi-channel synchronous data acquisition card based on PC104 bus |
| CN109361394A (en) * | 2018-10-09 | 2019-02-19 | 中国人民解放军91388部队 | Dynamic data recording system in a kind of test of Underwater Battery |
-
2011
- 2011-06-03 CN CN2011201851332U patent/CN202189099U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426288A (en) * | 2012-05-15 | 2013-12-04 | 苏州工业园区新宏博通讯科技有限公司 | Multifunctional alternating current electric energy acquisition terminal |
| CN103424636A (en) * | 2012-05-15 | 2013-12-04 | 苏州工业园区新宏博通讯科技有限公司 | Multi-functional alternating-current and direct-current electric energy collection terminal |
| CN102928687A (en) * | 2012-09-11 | 2013-02-13 | 上海航天测控通信研究所 | Personal computer (PC) 104 and K virtual machine (KVM) based portable high-integration test equipment and test method |
| CN102928687B (en) * | 2012-09-11 | 2015-03-11 | 上海航天测控通信研究所 | Personal computer (PC) 104 and K virtual machine (KVM) based portable high-integration test equipment and test method |
| CN103792401A (en) * | 2012-10-30 | 2014-05-14 | 苏州工业园区新宏博通讯科技有限公司 | DC electricity meter board card module |
| CN104238398A (en) * | 2013-06-24 | 2014-12-24 | 成都旋极历通信息技术有限公司 | Multi-channel synchronous data acquisition card based on PC104 bus |
| CN109361394A (en) * | 2018-10-09 | 2019-02-19 | 中国人民解放军91388部队 | Dynamic data recording system in a kind of test of Underwater Battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20190603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |