CN109444700A - Bow net arc method for measuring and system - Google Patents
Bow net arc method for measuring and system Download PDFInfo
- Publication number
- CN109444700A CN109444700A CN201811645458.7A CN201811645458A CN109444700A CN 109444700 A CN109444700 A CN 109444700A CN 201811645458 A CN201811645458 A CN 201811645458A CN 109444700 A CN109444700 A CN 109444700A
- Authority
- CN
- China
- Prior art keywords
- bow net
- electric arc
- net electric
- signal
- voltage signal
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of bow net arc method for measuring and systems, this method comprises: detecting the ultraviolet signal that bow net electric arc generates, and ultraviolet signal are converted to corresponding voltage signal；According to the duration that voltage signal and bow net electric arc generate, the ultraviolet radiation energy that bow net electric arc generates is calculated, wherein ultraviolet radiation energy is used to characterize the energy size of bow net electric arc.The energy size that bow net electric arc is measured in contactless mode may be implemented in the present invention, avoids contact with formula measurement security risk caused by train operation.
Description
Technical field
The present invention relates to field of power system more particularly to a kind of bow net arc method for measuring and systems.
Background technique
This part intends to provides background or context for the embodiment of the present invention stated in claims.Description herein
Recognize it is the prior art not because not being included in this section.
With the fast development and progress of railway systems, electrified technology has obtained great answer in bullet train operation
With.In electric railway, the operation of electric locomotive needs to obtain electricity by contact of the pantograph with contact line at the top of it
Can, therefore pantograph and the contact condition of contact wire directly affect current carrying quality and the safe operation of locomotive.But it is arranging
In vehicle operational process, due to affected by various factors, bow net easily occurs separation and generates electric arc.Electric arc once occurs, it will brings
It seriously affects, is mainly manifested in: interference being generated to communication line along the line, aggravates the abrasion of pantograph pan and contact line, seriously
When even can interrupt power supply of the contact line to electric locomotive.Therefore by judging the detection of electric arc the contact condition of bow net,
Reliably guide parameters are provided for the design of bow net geometric parameter and the maintenance of route, provide guarantor for the safe operation of locomotive
Barrier.
Currently, common detection method is detected by contact mode in numerous pantograph contact line relation detection methods,
This can cause the connection of detection device and Pantograph-OCS system, bring hidden danger to train operation.In addition, for the detection base of bow net electric arc
Originally it is all based on this parameter of its electric resistivity, what few pairs of bow net arc stiffness were detected, and bow net arc energy is big
The small abrasion condition for largely influencing carbon slipper, thus, a kind of method of kind of determining bow net arc energy size is provided,
And then determine the energy size of arcing, it is very necessary for providing instruction for line upkeep.
Summary of the invention
The embodiment of the present invention provides a kind of bow net arc method for measuring, to solve the prior art using contact mode pair
Bow net electric arc is detected, and the technical issues of bringing security risk to train operation is easy, this method comprises: detection bow net electric arc
The ultraviolet signal of generation, and ultraviolet signal is converted into corresponding voltage signal；It is produced according to voltage signal and bow net electric arc
Raw duration calculates the ultraviolet radiation energy that bow net electric arc generates, wherein the energy that ultraviolet radiation energy is used to characterize bow net electric arc is big
It is small.
The embodiment of the present invention also provides a kind of bow net arc detection system, to solve the prior art using contact mode
Bow net electric arc is detected, the technical issues of bringing security risk to train operation is easy, which includes: photoelectric sensing
Ultraviolet signal for detecting the ultraviolet signal of bow net electric arc generation, and is converted to corresponding voltage signal by device；Micro process
Device is connect with photoelectric sensor, and the duration that the voltage signal and bow net electric arc for being exported according to photoelectric sensor generate calculates
The ultraviolet radiation energy that bow net electric arc generates, wherein ultraviolet radiation energy is used to characterize the energy size of bow net electric arc.
The embodiment of the present invention also provides a kind of computer equipment, to solve the prior art using contact mode to bow net
Electric arc is detected, and is easy the technical issues of bringing security risk to train operation, including memory, processor and being stored in is deposited
On reservoir and the computer program that can run on a processor, processor are realized when executing computer program: obtaining voltage signal
Value, wherein voltage signal values are the ultraviolet signal generated according to bow net electric arc, the voltage signal obtained by photoelectric conversion
Voltage value；According to the duration that voltage signal values and bow net electric arc generate, the ultraviolet radiation energy that bow net electric arc generates is calculated, wherein
Ultraviolet radiation energy is used to characterize the energy size of bow net electric arc.
The embodiment of the present invention also provides a kind of computer readable storage medium, to solve the prior art using contact side
Formula detects bow net electric arc, is easy the technical issues of bringing security risk to train operation, computer readable storage medium
It is stored with computer program, realization when which is executed by processor: obtaining voltage signal values, wherein voltage signal
Value is the ultraviolet signal generated according to bow net electric arc, by the voltage value for the voltage signal that photoelectric conversion obtains；According to voltage
The duration that signal value and bow net electric arc generate calculates the ultraviolet radiation energy that bow net electric arc generates, wherein ultraviolet radiation energy is used for table
Levy the energy size of bow net electric arc.
In the embodiment of the present invention, the ultraviolet light generated by detection bow net electric arc, the ultraviolet light that bow net electric arc is generated is believed
Number corresponding voltage signal is converted to, the purple generated according to the duration calculation bow net electric arc that the voltage signal and bow net electric arc generate
External radiation energy, and then the size of the ultraviolet radiation energy characterization bow net arc energy generated using bow net electric arc.Due to bow net electric arc
The ultraviolet signal of generation can be detected in contactless mode, be may be implemented through the embodiment of the present invention with non-contact
The mode of formula measures the energy size of bow net electric arc, avoids contact with formula measurement security risk caused by train operation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is a kind of bow net arc detection system schematic diagram provided in the embodiment of the present invention；
Fig. 2 is a kind of bow net arc method for measuring flow chart provided in the embodiment of the present invention；
Fig. 3 is the contrast schematic diagram of a kind of the bow net arc spectrum and solar spectrum that provide in the embodiment of the present invention；
Fig. 4 is a kind of running parameter schematic diagram of the photomultiplier tube provided in the embodiment of the present invention；
Fig. 5 is a kind of work flow diagram of the microprocessor provided in the embodiment of the present invention；
Fig. 6 is a kind of host computer login interface schematic diagram provided in the embodiment of the present invention；
Fig. 7 is that a kind of host computer provided in the embodiment of the present invention shows the interface schematic diagram of menu bar；
Fig. 8 is a kind of communication interface schematic diagram of the bow net arc detection system provided in the embodiment of the present invention；
Fig. 9 is a kind of graphic display interface schematic diagram of the bow net arc detection system provided in the embodiment of the present invention；
Figure 10 is a kind of data processing interface schematic diagram of the bow net arc detection system provided in the embodiment of the present invention.
Specific embodiment
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, with reference to the accompanying drawing to this hair
Bright embodiment is described in further details.Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
Inventor it has been investigated that, have between the ultraviolet radiation energy that bow net arc energy and bow net electric arc generate certain
Correlation, concrete analysis process are as follows:
By Bohr theory it is found that electronics is between the different track of energy when transition, atom can absorb or release energy.Place
It is unstable in the electronics of excitation state, it can transit on the closer track of freestone, while releasing luminous energy.Release luminous energy (light
Frequency) size be decided by the energy difference between two tracks, relational expression is as follows:
E=h ν (1)
Wherein, E is the energy difference that electron transition generates, and h is Planck's constant (6.62606957 × 10-34Js), ν is
The frequency of photon.It is interior can be bigger, the energy of atomic interior Electron absorption is also bigger, and the energy level of locating excitation state is also higher, therefore
The frequency that transition generation photon occurs is higher.According to wavelength and frequency relation formula:
Wherein, λ is wavelength, and c is the light velocity, and frequency is higher, and wavelength is shorter, so ultraviolet band radiation can increase.
According to Einstein's quantum light theory: it is linear with increasing for incident light frequency to launch photoelectronic maximum kinetic energy
Increase, and it is unrelated with the light intensity of incident light.That is the compound einstein formula of the energy relationship of photoelectron emissions:
Wherein, h is Planck's constant；ν is the frequency of incident light；meFor photoelectronic quality；V indicates that outgoing is photoelectronic
Speed；φ0For the work function of photocathode.
Photoelectric sensor receives the electric current generated after optical signal are as follows:
I=nqsv (4)
Wherein, I is that photomultiplier tube exports electric current, for determining bow net arc energy；N represents electronics in unit volume
Number；Q is the carried charge of Single Electron；S is the cross-sectional area of electron stream；V is mobility.
The work function of i.e. each electronics be due to absorb a photon energy as a result, and a photon whole energy
H ν is transformed into photoelectronic energy by radiation energy.Therefore, light is stronger, and the quantum number for acting on cathode surface is more, enters simultaneously
Penetrate that light frequency is higher, the kinetic energy that the electronics in cathode in highest energy level has is also bigger, so photomultiplier tube exports electric current I
It is bigger.
From formula (3) and formula (4) as can be seen that bow net electric arc power and surveyed ultraviolet radiation energy are proportional, bow net electricity
Arc energy is stronger, and the ultraviolet radiation energy of generation is stronger.
The embodiment of the present invention is proposed a kind of ultraviolet radiation energy generated using bow net electric arc and characterizes bow net electric arc as a result,
The method of energy size, this method compare bow net arc energy to obtain the size of the surveyed ultraviolet radiation energy of photoelectric sensor
Size, by comparing the energy size of bow net electric arc, between contact net and carbon slipper abrasion, to electrical equipment on bullet train
And the safety of train bulk supply is assessed.
A kind of bow net arc detection system is provided in the embodiment of the present invention, Fig. 1 is one provided in the embodiment of the present invention
Kind bow net arc detection system schematic diagram, as shown in Figure 1, the system includes: photoelectric sensor 11 and microprocessor 12.
Wherein, photoelectric sensor 11, for detect bow net electric arc generation ultraviolet signal (i.e. pantograph 10-2 with contact
The ultraviolet signal generated between line 10-1 since electric arc occurs), and ultraviolet signal is converted into corresponding voltage signal；
Microprocessor 12 is connect with photoelectric sensor 11, the voltage signal and bow net for being exported according to photoelectric sensor
The duration that electric arc generates calculates the ultraviolet radiation energy that bow net electric arc generates, wherein ultraviolet radiation energy is for characterizing bow net electric arc
Energy size.
Optionally, above system can also include: optical filter 13, connect with photoelectric sensor 11, for being incident on light
The sun optical signal of electric transducer 11 is filtered, so that the ultraviolet signal that bow net electric arc generates enters photoelectric sensor 11.
In an alternative embodiment, as shown in Figure 1, above system can also include: current-to-voltage converting circuit 14,
It is connected between photoelectric sensor 11 and microprocessor 12, the analog current signal for exporting photoelectric sensor 11 is converted to
Analog voltage signal；Wherein, microprocessor 12 is also used to be converted to the analog voltage signal that current-to-voltage converting circuit exports
Digital voltage signal calculates the ultraviolet radioactive that bow net electric arc generates according to the duration that digital voltage signal and bow net electric arc generate
Energy.
A kind of bow net arc method for measuring is additionally provided in the embodiment of the present invention, this method can be applied but be not limited to Fig. 1
Shown in bow net arc detection system.
Fig. 2 is a kind of bow net arc method for measuring flow chart provided in the embodiment of the present invention, as shown in Fig. 2, this method
Include the following steps:
S201, the ultraviolet signal that detection bow net electric arc generates, and ultraviolet signal is converted into corresponding voltage signal；
S202 calculates the ultraviolet radiation energy that bow net electric arc generates according to the duration that voltage signal and bow net electric arc generate,
In, ultraviolet radiation energy is used to characterize the energy size of bow net electric arc.
It should be noted that since the ultraviolet radiation energy that bow net arc energy and bow net electric arc generate has positive correlation,
The ultraviolet radiation energy that the embodiment of the present invention can be generated by detection bow net electric arc as a result, characterizes the size of bow net arc energy.
Specifically, measure bow net electric arc generate ultraviolet radiation energy when, need to convert optical signals to electric signal into
Row measurement, thus, it is generated as an alternative embodiment, above-mentioned S201 can detect bow net electric arc by photoelectric sensor
Ultraviolet signal, and the ultraviolet signal that will test is converted to corresponding electric signal, due to the electricity of photoelectric sensor output
Signal is analog current, in order to realize the purpose of measurement, needs that current signal is converted to voltage signal by microprocessor, again
Because microprocessor can only handle digital quantity, thus, in a kind of optional embodiment, above-mentioned S201 be can specifically include: be utilized
The ultraviolet signal that bow net electric arc generates is converted to analog current signal by photoelectric sensor；It will using current-to-voltage converting circuit
The analog current signal of photoelectric sensor output is converted to analog voltage signal；Analog voltage signal is converted using microprocessor
For digital voltage signal.
In addition, sunlight can also enter photoelectricity since the ultraviolet light that bow net electric arc generates is incident on photoelectric sensor simultaneously
Sensor, thus, as an alternative embodiment, the above method can also include: to utilize optical filter pair before S201
The sun optical signal for being incident on photoelectric sensor is filtered, so that the ultraviolet signal that bow net electric arc generates enters photoelectric sensing
Device.
Fig. 3 is the contrast schematic diagram of a kind of the bow net arc spectrum and solar spectrum that provide in the embodiment of the present invention, such as Fig. 3
Shown, the wavelength band of solar spectrum is 280~1100nm, and bow net arc spectrum wavelength band is 1~1100nm.Thus, make
For a kind of optional embodiment, the embodiment of the present invention can choose the ultraviolet light that wavelength band is 160~280nm and carry out bow net electricity
The calculating of arc ultraviolet radiation energy.
Herein it should be noted that solar spectrum and bow net arc spectrum be not only only have this section, and for
For sun itself, the spectrum that it is issued also has 1~280nm wavelength band, but since atmosphere can absorb this part light, institute
Can't detect the sunlight of 1~280nm in ground detection, therefore, the embodiment of the present invention is by 160~280nm wavelength band
Detection characteristic quantity as bow net electric arc ultraviolet light.
As an alternative embodiment, above-mentioned S202 can calculate the ultraviolet of bow net electric arc generation by following formula
Radiation energy:
Wherein, QeThe ultraviolet radiation energy generated for bow net electric arc；VrefFor microprocessor internal reference voltage；A is micro process
The digital quantity of the digital voltage signal of device output；K is the amplification factor of current-to-voltage converting circuit；SAFor photoelectric sensor irradiation
Sensitivity；TAFor optical filter transmitance；γ is the amplification coefficient of microprocessor, and m is the digit that microprocessor carries out analog-to-digital conversion；
T is the duration that bow net electric arc generates.
By (3) and formula (4) it is found that bow net arc energy and bow net electric arc generation ultraviolet radiation energy are proportional, thus,
Compare the size of bow net arc energy by measuring the size of bow net electric arc ultraviolet radiation energy, by comparing the energy of bow net electric arc
Measure size, between contact net and carbon slipper abrasion, to the safety of electrical equipment on bullet train and train bulk supply into
Row assessment.
In the ultraviolet radiation energy generated using bow net arc method for measuring provided in an embodiment of the present invention measurement bow net electric arc
When, the digital quantity a reduction and simulation voltage u that is obtained first according to microprocessor analog-to-digital conversion:
Wherein, u is the analog voltage into microprocessor, VrefVoltage reference value is converted for microprocessor, γ is processor
Internal amplification factor.
When microprocessor uses 12 analog-to-digital conversion (AD conversion), the analog voltage that restores are as follows:
Since the signal passes through current-to-voltage converting circuit, therefore the output electric current of photomultiplier tube are as follows:
Wherein, K is the amplification factor of current-to-voltage converting circuit, and u is the reduction and simulation voltage of microprocessor.
Obtain being radiated at the optical power on photomultiplier tube using uv power method formula:
Wherein, SAIndicate the radiant sensitivity of photomultiplier transit tube anode.
Due to P1It is to be obtained after optical filter, therefore be radiated at the uv power on optical filter are as follows:
Wherein, TAFor the mean transmissivity of optical filter.
Therefore the duration t generated according to bow net electric arc is to the uv power P being radiated on optical filter2It quadratures to obtain photoelectricity
The surveyed ultraviolet radiation energy of sensor:
Wherein, QeUltraviolet radiation energy is surveyed by photoelectric sensor；VrefFor microprocessor internal reference voltage；A is micro process
The digital quantity that device AD conversion obtains；K is the amplification factor of current-to-voltage converting circuit；SAFor photoelectric sensor radiant sensitivity；TA
For optical filter transmitance；γ is the amplification coefficient being arranged inside microprocessor program；T is the duration that bow net electric arc generates；
Fig. 4 is a kind of running parameter schematic diagram of the photomultiplier tube provided in the embodiment of the present invention, as shown in figure 4, light
The spectral response and wavelength of electric multiplier tube are not a regular functions, and therefore, the embodiment of the present invention is calculating ultraviolet radiation energy
When, select typical radiant sensitivity 1.4 × 104 (about 254nm) A/W of photomultiplier tube, spectral response range 160
~320nm.Optionally, the optical filter that the embodiment of the present invention is chosen is 254nm, bandwidth 12nm, transmitance T >=20%.This hair
The amplification factor for the current-to-voltage converting circuit that bright embodiment selects can be 1000 times；The internal reference voltage of microprocessor is
1.2V。
As shown in Figure 1, bow net arc detection system provided in an embodiment of the present invention is also in order to realize the purpose remotely monitored
It may include: communication module 15 and host computer 16.Wherein, microprocessor 12 is communicated by communication module 15 with host computer 16.When
After microprocessor 12 determines the ultraviolet radiation energy that bow net electric arc generates, it can also be sent to by the communication module 15 in Fig. 1
Host computer 16.Wherein, the work flow diagram of the acquisition of microprocessor 12 data is as shown in Figure 5, wherein DMA (Direct Memory
Access it is) direct memory access (DMA), is a kind of mechanism of fast transfer of data, ADC (Analog-to-Digital
It Converter) is analog-digital converter.
Optionally, host computer 16 can be but not limited to it is following any one: mobile phone, tablet computer, laptop, meter
Calculation machine etc. any one.Communication between microprocessor 12 and host computer 16 can be local area network communication, be also possible to internet
Communication, it is preferable that in the case that the communication between microprocessor 12 and host computer 16 is internet communication, communication module 15 can
To be GPRS module.
Bow net arc method for measuring based on the embodiment of the present invention, as an alternative embodiment, of the invention
Embodiment can also provide a kind of pantograph-catenary current collection real-time detection system for state, be deployed on host computer 16, so that staff can
With the pantograph-catenary current collection real-time detection system for state provided through the embodiment of the present invention, pantograph-catenary current collection state is detected.Optionally, for
The staff of different rights can provide corresponding user name password, so that the staff of different rights passes through oneself
User name password login is to pantograph-catenary current collection real-time detection system for state provided in an embodiment of the present invention, for example, Fig. 6 is that the present invention is real
A kind of host computer login interface schematic diagram provided in example is provided.
Fig. 7 is a kind of interface schematic diagram of host computer display menu bar provided in the embodiment of the present invention, as shown in fig. 7,
After staff logs into pantograph-catenary current collection real-time detection system for state provided in an embodiment of the present invention, the embodiment of the present invention is mentioned
The function menu of confession includes but is not limited to " basic function ", " bow net arc detection system ", " Modify password ", " help " and " moves back
Out ".Function menu " bow net arc detection system " in Fig. 7 is clicked, bow net electric arc can be detected, optionally, the present invention
The bow net arc detection system that embodiment provides can provide but be not limited to Fig. 8, Fig. 9 and " communication interface " shown in Fig. 10, " figure
Shape display interface " and " data processing interface ".
It additionally provides a kind of computer equipment in the embodiment of the present invention, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, processor are realized when executing computer program: voltage signal values are obtained,
In, voltage signal values are the ultraviolet signal generated according to bow net electric arc, by the voltage for the voltage signal that photoelectric conversion obtains
Value；According to the duration that voltage signal values and bow net electric arc generate, the ultraviolet radiation energy that bow net electric arc generates is calculated, wherein ultraviolet
Radiation energy is used to characterize the energy size of bow net electric arc.
A kind of computer readable storage medium is additionally provided in the embodiment of the present invention, computer-readable recording medium storage has
The realization when computer program is executed by processor: computer program obtains voltage signal values, wherein voltage signal values are root
According to the ultraviolet signal that bow net electric arc generates, by the voltage value for the voltage signal that photoelectric conversion obtains；According to voltage signal values
The duration generated with bow net electric arc calculates the ultraviolet radiation energy that bow net electric arc generates, wherein ultraviolet radiation energy is for characterizing bow net
The energy size of electric arc.
To sum up, the embodiment of the present invention characterizes bow net arc energy size using the ultraviolet radiation energy that bow net electric arc generates, and leads to
The size for crossing the ultraviolet radiation energy of bow net electric arc generation compares the size of bow net arc energy, and then is bent according to route different zones
The size of net arc energy, between contact net and carbon slipper abrasion, to electrical equipment on bullet train and train bulk supply
Safety assessed.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD~ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of bow net arc method for measuring characterized by comprising
The ultraviolet signal that bow net electric arc generates is detected, and the ultraviolet signal is converted into corresponding voltage signal；
According to the duration that the voltage signal and bow net electric arc generate, the ultraviolet radiation energy that bow net electric arc generates is calculated, wherein institute
Ultraviolet radiation energy is stated for characterizing the energy size of bow net electric arc.
2. the method as described in claim 1, which is characterized in that the ultraviolet signal that detection bow net electric arc generates, and will be described
Ultraviolet signal is converted to corresponding voltage signal, comprising:
The ultraviolet signal that bow net electric arc generates is converted into analog current signal using photoelectric sensor；
The analog current signal that the photoelectric sensor exports is converted into analog voltage signal using current-to-voltage converting circuit；
The analog voltage signal is converted into digital voltage signal using microprocessor.
3. method according to claim 2, which is characterized in that in the ultraviolet signal that detection bow net electric arc generates, and by institute
It states before ultraviolet signal is converted to corresponding voltage signal, the method also includes:
The sun optical signal for being incident on the photoelectric sensor is filtered using optical filter, so that the purple that bow net electric arc generates
Outer optical signal enters the photoelectric sensor.
4. method as claimed in claim 3, which is characterized in that according to the duration that the voltage signal and bow net electric arc generate,
Calculate the ultraviolet radiation energy that bow net electric arc generates, comprising: the ultraviolet radiation energy that bow net electric arc generates is calculated by following formula:
Wherein, QeThe ultraviolet radiation energy generated for bow net electric arc；VrefFor microprocessor internal reference voltage；A is that microprocessor is defeated
The digital quantity of digital voltage signal out；K is the amplification factor of current-to-voltage converting circuit；SAFor photoelectric sensor radiation-sensitive
Degree；TAFor optical filter transmitance；γ is the amplification coefficient of microprocessor, and m is the digit that microprocessor carries out analog-to-digital conversion；T is
The duration that bow net electric arc generates.
5. method as claimed in claim 4, which is characterized in that the ultraviolet radiation energy and bow net arc energy that bow net electric arc generates
Meet following relationship:
I=nqsv；
Wherein, h is Planck's constant；ν is the frequency of incident light；meFor photoelectronic quality；V indicates to be emitted photoelectronic speed；
φ0For the work function of photocathode；I is that photomultiplier tube exports electric current, for determining bow net arc energy；N represents unit bodies
Electronics number in product；Q is the carried charge of Single Electron；S is the cross-sectional area of electron stream；V is mobility.
6. a kind of bow net arc detection system characterized by comprising
Photoelectric sensor for detecting the ultraviolet signal of bow net electric arc generation, and the ultraviolet signal is converted to accordingly
Voltage signal；
Microprocessor is connect with the photoelectric sensor, the voltage signal and bow net for being exported according to the photoelectric sensor
The duration that electric arc generates calculates the ultraviolet radiation energy that bow net electric arc generates, wherein the ultraviolet radiation energy is for characterizing bow net electricity
The energy size of arc.
7. system as claimed in claim 6, which is characterized in that the system also includes:
Current-to-voltage converting circuit is connected between the photoelectric sensor and the microprocessor, is used for the photoelectric transfer
The analog current signal of sensor output is converted to analog voltage signal；
Wherein, the microprocessor is also used to the analog voltage signal that the current-to-voltage converting circuit exports being converted to number
Voltage signal calculates the ultraviolet radioactive that bow net electric arc generates according to the duration that the digital voltage signal and bow net electric arc generate
Energy.
8. system as claimed in claim 6, which is characterized in that the system also includes:
Optical filter is connect with the photoelectric sensor, for carrying out to the sun optical signal for being incident on the photoelectric sensor
Filter, so that the ultraviolet signal that bow net electric arc generates enters the photoelectric sensor.
9. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor is realized when executing the computer program:
Obtain voltage signal values, wherein the voltage signal values are the ultraviolet signal generated according to bow net electric arc, by photoelectricity
The voltage value for the voltage signal being converted to；
According to the duration that the voltage signal values and bow net electric arc generate, the ultraviolet radiation energy that bow net electric arc generates is calculated, wherein
The ultraviolet radiation energy is used to characterize the energy size of bow net electric arc.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence, realization when which is executed by processor:
Obtain voltage signal values, wherein the voltage signal values are the ultraviolet signal generated according to bow net electric arc, by photoelectricity
The voltage value for the voltage signal being converted to；
According to the duration that the voltage signal values and bow net electric arc generate, the ultraviolet radiation energy that bow net electric arc generates is calculated, wherein
The ultraviolet radiation energy is used to characterize the energy size of bow net electric arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645458.7A CN109444700B (en) | 2018-12-29 | 2018-12-29 | Bow net arc detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645458.7A CN109444700B (en) | 2018-12-29 | 2018-12-29 | Bow net arc detection method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109444700A true CN109444700A (en) | 2019-03-08 |
| CN109444700B CN109444700B (en) | 2021-08-06 |
Family
ID=65542156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811645458.7A Active CN109444700B (en) | 2018-12-29 | 2018-12-29 | Bow net arc detection method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109444700B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244206A (en) * | 2019-07-29 | 2019-09-17 | 西南交通大学 | A kind of bow net electric arc on-line monitoring system based on multisensor |
| CN110470958A (en) * | 2019-08-23 | 2019-11-19 | 西南交通大学 | A kind of bow net arc stiffness detection system and method based on electric arc arc acoustical signal |
| CN113406455A (en) * | 2021-07-07 | 2021-09-17 | 福州大学 | Macroscopic characterization method for microscopic state of low-voltage alternating-current arc |
| CN114683900A (en) * | 2020-12-29 | 2022-07-01 | 杭州海康机器人技术有限公司 | AGV charging system and method based on slide wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090161272A1 (en) * | 2007-12-21 | 2009-06-25 | General Electric Company | Arc detection system and method |
| CN104176088A (en) * | 2014-09-11 | 2014-12-03 | 西南交通大学 | Non-contact type pantograph and catenary arcing energy detection method and system |
| CN206832944U (en) * | 2017-06-30 | 2018-01-02 | 四川智华电气有限公司 | A kind of bow net arcing detection means |
| CN207366724U (en) * | 2017-06-29 | 2018-05-15 | 成都旭光光电技术有限责任公司 | A kind of test equipment and test platform for being used to test ultraviolet monitoring instrument |
| CN108333488A (en) * | 2018-02-08 | 2018-07-27 | 南京视道信息技术有限公司 | The arcing detection method blended based on ultraviolet, infrared and optical imagery |
-
2018
- 2018-12-29 CN CN201811645458.7A patent/CN109444700B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090161272A1 (en) * | 2007-12-21 | 2009-06-25 | General Electric Company | Arc detection system and method |
| CN104176088A (en) * | 2014-09-11 | 2014-12-03 | 西南交通大学 | Non-contact type pantograph and catenary arcing energy detection method and system |
| CN207366724U (en) * | 2017-06-29 | 2018-05-15 | 成都旭光光电技术有限责任公司 | A kind of test equipment and test platform for being used to test ultraviolet monitoring instrument |
| CN206832944U (en) * | 2017-06-30 | 2018-01-02 | 四川智华电气有限公司 | A kind of bow net arcing detection means |
| CN108333488A (en) * | 2018-02-08 | 2018-07-27 | 南京视道信息技术有限公司 | The arcing detection method blended based on ultraviolet, infrared and optical imagery |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244206A (en) * | 2019-07-29 | 2019-09-17 | 西南交通大学 | A kind of bow net electric arc on-line monitoring system based on multisensor |
| CN110470958A (en) * | 2019-08-23 | 2019-11-19 | 西南交通大学 | A kind of bow net arc stiffness detection system and method based on electric arc arc acoustical signal |
| CN114683900A (en) * | 2020-12-29 | 2022-07-01 | 杭州海康机器人技术有限公司 | AGV charging system and method based on slide wire |
| CN114683900B (en) * | 2020-12-29 | 2023-12-29 | 杭州海康机器人股份有限公司 | AGV charging system and method based on sliding wire |
| CN113406455A (en) * | 2021-07-07 | 2021-09-17 | 福州大学 | Macroscopic characterization method for microscopic state of low-voltage alternating-current arc |
| CN113406455B (en) * | 2021-07-07 | 2022-03-15 | 福州大学 | Macroscopic characterization method for microscopic state of low-voltage alternating-current arc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109444700B (en) | 2021-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109444700A (en) | Bow net arc method for measuring and system | |
| Hu et al. | Inspection and monitoring technologies of transmission lines with remote sensing | |
| CN104111413B (en) | A kind of apparatus and method for assessing power transmission and transforming equipment corona discharge | |
| CN102981180B (en) | Water Cerenkov light high-energy particle detector | |
| CN101241088A (en) | High speed X light strong conveyer band detection system | |
| CN104176088B (en) | Non-contact type pantograph and catenary arcing energy detection method and system | |
| CN108303625B (en) | Cable line partial discharge monitoring device, method, terminal and readable storage medium | |
| CN108646284A (en) | A kind of gamma spectrum combined detection system and gamma spectrum measurement method | |
| CN101629917B (en) | Method and device for measuring effective atomic number of substance | |
| JP4214176B2 (en) | Neutron measurement system | |
| CN201017035Y (en) | Novel high-sensitivity surroundings neutron detector | |
| CN104931235B (en) | Light source detection device and method | |
| CN109187670A (en) | A kind of communications optical cable splice tray intelligent checking system | |
| CN106816188B (en) | A kind of guard method of reactor core neutron flux measurement circuit | |
| CN107919854A (en) | A kind of detection device and its detection method of solar cell IV characteristics | |
| CN105427627B (en) | One kind is parked entrance traffic flow detecting method and its a system | |
| CN103983431A (en) | Device and method for testing out-band relative spectral responsivity of solar blind ultraviolet image intensifier | |
| CN108663708B (en) | Design method for optimizing energy spectrum resolution | |
| CN201266183Y (en) | Device for measuring substance effective atomic number | |
| JP5889212B2 (en) | A method for non-contact determination of the properties of light converters | |
| CN103487754A (en) | Wind power generation digital flickermeter for small-scale wind speed environment | |
| CN109143318A (en) | The neutron detection method and apparatus of gamma-rays interference is reduced using silicon PIN detector | |
| CN205317951U (en) | X ray energy fluence measuring device | |
| CN102857092A (en) | Digital control type direct-current boosting apparatus and application thereof | |
| CN108508331B (en) | Cable accessory partial discharge monitoring device, method, terminal and readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |