CN206209087U - The accuracy detecting device of arc detector - Google Patents
The accuracy detecting device of arc detector Download PDFInfo
- Publication number
- CN206209087U CN206209087U CN201621221620.9U CN201621221620U CN206209087U CN 206209087 U CN206209087 U CN 206209087U CN 201621221620 U CN201621221620 U CN 201621221620U CN 206209087 U CN206209087 U CN 206209087U
- Authority
- CN
- China
- Prior art keywords
- signal
- pins
- resistance
- detecting device
- adc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims description 2
- 230000036581 peripheral resistance Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000289 photo-effect Toxicity 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Abstract
The utility model discloses a kind of accuracy detecting device of arc detector, it includes the tunable light source, signal light control program module, standard photodetector, ADC conversion program modules, DSP signal handlers module and the display program module that are arranged in chamber, and tunable light source, signal light control program module, standard photodetector, ADC conversion program modules, DSP signal handlers module and display program module connect and compose the accuracy detecting device of arc detector according to circuit mode.Photodetector is converted optical signals into during electric signal is sent to signal processing module and processed, and corresponding illuminance numerical value is shown.The utility model circuit is simple, operates steadily, and detection is quick, and measurement is accurate.
Description
Technical field
The utility model is related to a kind of accuracy detecting device of arc detector, belongs to automatic monitoring control technology neck
Domain.
Background technology
Fault electric arc is a kind of accident of frequent hair property in switch cubicle.Electric arc can by various effects discharge huge sound,
The energy such as light, electricity, heat, the lighter burns bus, switchgear is scrapped, transformer damage；Severe one causes combustion explosion, causes
Personal injury, causes immeasurable economic loss.Arc light is detection arc short-circuit most fast and effectively method, in the world at first
The protection system entered is the arc light protecting system based on arclight detection of the developments such as Finland, the U.S..Therefore arclight is carried out
Detection, the feature for studying arclight has very important significance.Arc detector includes arc light detecting head, optical cable and light electrical resistivity survey
Survey device.Arc light detecting head can not only receive the arc light of accident generation, can also give sensor under the driving of self-inspection triggering light
Send self-test signal.How quickly arc detector belongs to optical signal detecting, it is ensured that arc detector precision is very important,
The precision of effectively inspection arc detector is a necessary job.
The content of the invention
The purpose of this utility model is：A kind of accuracy detecting device of arc detector is provided,
Circuit is simple, operates steadily, and detection is quick, and scene display, measurement is accurate.
Technical solution of the present utility model is：The detection means includes tunable light source, the lamp in chamber
Photocontrol program module, standard photodetector, ADC conversion program modules, DSP signal handlers module and display program mould
Block, tunable light source, signal light control program module, standard photodetector, ADC conversion program modules, DSP signal handler moulds
Block and display program module connect and compose the accuracy detecting device of arc detector according to circuit mode, convert optical signals into telecommunications
Number it is sent in signal processing module and processes, and corresponding illuminance numerical value is shown.
Its operation principle is：The probe of arc detector to be detected is put into chamber, the spy of standard photodetector
The probe of head and arc detector to be detected receives the light that light source sends simultaneously；Standard probe receives light and is first converted into mould
Intend electric signal, then analog electrical signal is converted into digital electric signal by ADC, and be entered into DSP treatment, at algorithm
Corresponding intensity of illumination numerical value is included on LCD screen after reason；The intensity of illumination that the probe of standard photodetector is obtained
The intensity of illumination data that the probe of data and arc detector to be detected is obtained are compared, if error is larger, arc light to be measured
Detection accuracy is inadequate.
The utility model circuit is simple, operates steadily, and detection is quick, and scene display, measurement is accurate.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the photoelectricity transformation principle figure of Fig. 1.
Fig. 3 is the photoelectric switching circuit figure of Fig. 1.
Fig. 4 is ADC the and DSP Principle of Communication figures of Fig. 1.
Specific embodiment
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings, but is not to be construed as to technical scheme
Limitation.
As shown in figure 1, it includes tunable light source, signal light control program module, standard photodetector, ADC conversion programs
Module, DSP signal handlers module and display program module, tunable light source, signal light control program module, standard photodetection
Device, ADC conversion program modules, DSP signal handlers module and display program module connect and compose arc light and visit according to circuit mode
The accuracy detecting device of device is surveyed, standard photodetector is converted optical signals into during electric signal is sent to signal processing module and processed,
And show corresponding illuminance numerical value.
Wherein, each electronic component function is as follows：
Standard photodetector：The radiation detector being made using external photoeffect or inner photoeffect, also referred to as photoelectric type
Detector；Electronics in detector directly absorbs the energy of photon, motion state is changed and produces electric signal, is usually used in
Detection infra-red radiation and visible ray.
ADC conversion program modules：Continuously varying analog signal is converted into discrete data signal, in order to ours
Digital display circuit is calculated, is processed, is stored, controlled, shown.
DSP320F2812：The DSP products of a TI companies, for carrying out the product of Digital Signal Processing, by ADC
The data signal for obtaining is processed according to algorithm, then is compared with the data in database, obtains corresponding illumination strong
Angle value；In addition, this DSP also serves as CPU controlling the power of light source by signal light control program module, so it is easy to repeatedly survey
Measure to obtain more accurately result.
LCDs：It is connected on DSP outward, carries out the display of data.
Its specific workflow is：DSP control light sources send the light of some strength, and standard photodetector receives light
And it is converted into current signal（Analog signal）, the simulation letter that ADC conversion program modules collect standard photodetector
Number data signal is converted to, DSP320F2812 is again processed these data signals, and the light that light source sends is obtained by algorithm
Intensity, Optical power values are displayed on LCDs；Photodetector to be detected also receives these light, and pass through simultaneously
Corresponding illumination intensity value is obtained after conversion；Illumination intensity value and standard photodetector that photodetector to be detected is obtained
The standard figures for obtaining is compared, and just knows the precision of Devices to test.
As shown in Fig. 2 all operationss of ADC are all carried out by ADC registers；ADC register mappings are to peripheral frame 1
Address space, address realm is 0x0000-7100 to 0x0000-711F, by ADC control registers, ADC passages select
Select sequence control register, ADC transformation results register, ADC status registers, ADC maximum ALT-CH alternate channel number register or
ADC auto-sequencings status register is constituted, entirely 16 bit registers.
ADC conversion program modules are 12 bit resolutions, the analog-digital converter with pipeline organization, and it is configured
It is a module for 16 passages, and is set to subsequent samples, it is ensured that ADC input voltages is 0 ~ 3V；There are two sequencers,
It is configured to 8 independent State Sequencers of double sequence i.e. two；These can be by configuring the control register of ADC
Complete；By being sent to ADC kernels after simulation multiplexer and sampling holder, the result obtained after conversion is stored 16 tunnel analogue datas
In 16 result register 0-15, read the numerical value in result register and included on liquid crystal display after calculating treatment；
System clock after system control/high-frequency clock scaler by obtaining clock signal during the clock signal of ADC.
As shown in figure 3, the specific connection of photoelectric switching circuit is as follows：Photoelectric switching circuit includes gain adjustable amplifier
AD8330, low distortion difference ADC drivers AD8138 and resistance capacitance peripheral circuit component；Optical signal is by AD8330's
4th, 5 pins access the change-over circuit, and AD8330 passes through peripheral resistance R22, electric capacity C18, C19, C20, C21, C22, C23 and constitutes and increase
The adjustable amplifying circuit of benefit, AD8330 is connected by resistance R23, R24 and AD8138, and is connected to by resistance R27, R28
4,5 pins of AD8138,4,5 pins of AD8138 connect resistance R25, R26, the current signal of output linearity stabilization respectively.
As shown in figure 4, being the specific communication connection of ADC and DSP：PD0-PD15 pins connection net of dsp processor
The D0-D15 of network chip, carries out parallel data interaction；Network chip /CS pins be chip select pin, also with the control of dsp processor
Pin connection processed, realizes chip select functionality；Network chip INT pins are connected with resistance R60, extraneous 3.3V level, realize reset work(
Energy；Other pins of network chip are connected the peripheral circuit needed for constituting with electric capacity C70, C76, C78, resistance R105, common real
Existing network communication function；TX+, TX- of network chip, RX+, RX- and external physical port RJ45 are connected, and constitute interface circuit.
Claims (3)
1. the accuracy detecting device of arc detector, it is characterized in that：It includes tunable light source, the light control in chamber
Program module processed, standard photodetector, ADC conversion program modules, DSP signal handlers module and display program module,
Tunable light source, signal light control program module, standard photodetector, ADC conversion program modules, DSP signal handler modules
With the accuracy detecting device that display program module connects and composes arc detector according to circuit mode.
2. the accuracy detecting device of arc detector according to claim 1, it is characterized in that：The ADC conversion programs mould
The specific connection of block is as follows：Including gain adjustable amplifier AD8330, low distortion difference ADC drivers AD8138 and resistance electricity
Hold peripheral circuit component；Optical signal is accessed by 4,5 pins of AD8330, AD8330 pass through peripheral resistance R22, electric capacity C18,
C19, C20, C21, C22, C23 constitute the amplifying circuit of adjustable gain, and AD8330 is connected by resistance R23, R24 and AD8138,
And it is connected to 4,5 pins of AD8138 by resistance R27, R28,4,5 pins of AD8138 connect resistance R25, R26 respectively, defeated
The current signal of cutting edge aligned stabilization.
3. the accuracy detecting device of arc detector according to claim 1, it is characterized in that：Described ADC and DSP
Specific communication connection it is as follows：PD0-PD15 pins of dsp processor connect the D0-D15 of network chip, carry out parallel data
Interaction；Network chip /CS pins be chip select pin, be also connected with the controlling switch of dsp processor, realize chip select functionality；Net
Network chip I NT pins are connected with resistance R60, extraneous 3.3V level, realize reset function；Other pins and electric capacity of network chip
Peripheral circuit needed for C70, C76, C78, resistance R105 connection compositions, realizes network communication function jointly；The TX of network chip
+, TX-, RX+, RX- and external physical port RJ45 connect, and constitutes interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221620.9U CN206209087U (en) | 2016-11-14 | 2016-11-14 | The accuracy detecting device of arc detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221620.9U CN206209087U (en) | 2016-11-14 | 2016-11-14 | The accuracy detecting device of arc detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206209087U true CN206209087U (en) | 2017-05-31 |
Family
ID=58753203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621221620.9U Expired - Fee Related CN206209087U (en) | 2016-11-14 | 2016-11-14 | The accuracy detecting device of arc detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206209087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646309A (en) * | 2016-11-14 | 2017-05-10 | 国网江苏省电力公司淮安供电公司 | Precision detection device of arc light detector |
-
2016
- 2016-11-14 CN CN201621221620.9U patent/CN206209087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646309A (en) * | 2016-11-14 | 2017-05-10 | 国网江苏省电力公司淮安供电公司 | Precision detection device of arc light detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109342807B (en) | Voltage sensing device combining elastic light modulation and electro-optic modulation and detection method | |
| CN104198867A (en) | Testing method and testing equipment for arc protection device | |
| CN105005016A (en) | Field verification system and field verification method for three-phase electric energy meter | |
| CN105004445A (en) | Mobile distribution transformer temperature monitoring device based on infrared communication and method | |
| CN206209087U (en) | The accuracy detecting device of arc detector | |
| CN105300269B (en) | A kind of wireless accurate strain gauge means and a kind of wireless accurate strain measurement method | |
| CN202815120U (en) | Electric energy quality acquisition system in electric energy quality analyzer | |
| CN106646309A (en) | Precision detection device of arc light detector | |
| CN204855783U (en) | On --spot check system of three -phase electric energy meter | |
| CN206192502U (en) | Calibration arrangement for from mixing terahertz detector response parameter | |
| CN108761163A (en) | A kind of oscillograph and Fault Locating Method safeguarded for server | |
| CN204330849U (en) | A kind of Multi-function experimental virtual instrument | |
| CN106768386A (en) | A kind of micro-metering bolometer thermal parameters test device and method | |
| CN201535967U (en) | Photoelectric sensor experimental instrument | |
| CN103048603A (en) | Circuit system and testing method for testing service life of light emitting diodes in batches | |
| CN106770089A (en) | Detecting system and detection method | |
| CN207070015U (en) | A kind of solar cell panel assembly portable tester | |
| CN202305789U (en) | Sampling system of electric energy meter calibrating device for performing dual-track system error calculation | |
| CN203732442U (en) | Turbidity measuring instrument based on microprocessor STM32F103 | |
| CN211124351U (en) | Multifunctional data acquisition unit based on simulation and digital acquisition | |
| CN204346459U (en) | The wafer test system of micro-mechanical gyroscope | |
| CN103376156A (en) | Optical power collection system with software | |
| CN203191546U (en) | Measuring device for transmitting signal of TVLF water penetrating radar transmitter | |
| CN209446732U (en) | Real-time clock detection device | |
| CN201476956U (en) | All-wave band CCD detector performance evaluation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20211114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |