CN107290635B - Signal processing structure and method applied to UV corona detection device - Google Patents
Signal processing structure and method applied to UV corona detection device Download PDFInfo
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- 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
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Abstract
Signal processing structure and method applied to UV corona detection device, belong to corona detection field, for the signal processing problems for solving the UV corona detection device based on ultraviolet photon counting image detector, which includes: that ultraviolet photon counts image detector, signal peak processing module, photon splicing tunnel discrimination module, Analog-digital Converter module, photon velocity computing module, error message processing module, change-over switch, low rate photon splicing module, high-speed photon splicing module, usb communication module and group packet module；Photon splicing tunnel can be switched according to current ultraviolet photon rate, the environmental suitability for improving equipment and the equipment speed of response under low photon velocity, self-checking function with the error message in judgement system operational process, using usb communication, application is stronger, it realizes and fast and automatically changes detection process, increase substantially production efficiency, be conducive to portable corona detection device following widespread adoption at home.
Description
Technical field
The present invention relates to a kind of signals of UV corona detection device based on ultraviolet photon step-by-step counting image detector
Processing structure and method belong to corona detection field.
Background technique
Detection Technology in Live Water Cleaning is fast-developing in recent years, and core detector mainly has ultraviolet CCD, enhancing charge-coupled device
Part ICCD and ultraviolet photon count three kinds of image detector, and the UV corona detection device overwhelming majority uses first two at present
Detector seldom counts image detector using ultraviolet photon, but first two detector is required from external import and price is held high
Expensive, especially ultraviolet CCD price is very expensive, is unfavorable for domestic autonomous production UV corona detection device, it is therefore proposed that a kind of
Counting the signal processing structure of the UV corona detection device of image detector and method based on ultraviolet photon is very important.
Summary of the invention
The present invention solves base to propose a kind of signal processing structure and method applied to UV corona detection device
The signal processing problems of the UV corona detection device of image detector are counted in ultraviolet photon.
Technical solution of the present invention is as follows:
Signal processing structure applied to UV corona detection device, characterized in that comprising: which ultraviolet photon counts image
Detector, signal peak processing module, photon splicing tunnel discrimination module 3, Analog-digital Converter module, photon velocity calculate mould
Block, error message processing module, change-over switch, low rate photon splicing module, high-speed photon splicing module, usb communication mould
Block and group packet module；
Ultraviolet photon counts image detector and exports tri- road analog voltage signal of S, W, Z, letter to signal peak processing module
Number peak value processing module is to photon splicing tunnel discrimination module output photon pulse indication signal, the acquisition of Analog-digital Converter module
The tri- road analog voltage signal amplitude of S, W, Z of signal peak processing module output is simultaneously converted to tri- railway digital amount voltage of S, W, Z letter
Number, which is exported by the change-over switch that photon splicing tunnel discrimination module controls to low speed
One of rate photon splicing module and high-speed photon splicing module, low rate photon splicing module and the splicing of high-speed photon
One of module again exports tri- railway digital amount voltage signal of S, W, Z to a group packet module, organizes packet module for tri- railway digital of S, W, Z
Amount voltage signal packages；
Signal peak processing module calculates mould to photon velocity computing module output photon pulse indication signal, photon velocity
Block is to a group packet module output photon rate；
Error message processing module differentiates the error message of signal peak processing module, and the error message is exported to group
Packet module；
Group information of packet module output is uploaded to host computer by usb communication module.
Signal processing method applied to UV corona detection device, characterized in that this method includes photon stitching path
Differentiate, photon velocity calculates and error message processing；
Photon stitching path differentiate the following steps are included:
Step 1, photon splicing tunnel discrimination module calculate photon pulse indication signal quantity in the Millisecond time；
Step 2, photon splicing tunnel discrimination module judge in the Millisecond time whether is photon pulse indication signal quantity
Across threshold value, if not crossing over threshold value, group packet module just packages tri- railway digital amount voltage signal of S, W, Z, and group packet reaches
Just the bag data is uploaded by usb communication module after to a bag data, if just performed the next step across threshold value；
Step 3, photon splicing tunnel discrimination module judge whether current photon splicing tunnel transmission terminates, if do not had
Terminate, then continue to judge, until terminating, just performs the next step；
Step 4, photon pulse indication signal number in the Millisecond time in photon splicing tunnel discrimination module judgment step one
Whether amount is less than threshold value, if not being less than threshold value, high-speed photon splicing module is selected then to select if it is less than threshold value
Low rate photon splicing module；
Step 5, after a group packet module group packet reaches a bag data, just by the bag data by usb communication module upload in
Host computer；
Photon velocity calculate the following steps are included:
Step 6, photon velocity computing module calculate the photon pulse indication signal quantity in 1 seconds, i.e. photon speed
Rate；
Step 7, photon velocity computing module photon velocity calculated into group packet module output step 1, organizes Bao Mo
Block packages photon velocity；
Step 8 after a group packet module group packet reaches a bag data, is just led in the step of photon stitching path differentiates five
It crosses usb communication module and uploads photon velocity to host computer；
Error message processing the following steps are included:
Step 9, error message processing module 6 differentiate the error message in 2 operational process of signal peak processing module；
Step 10, error message processing module 6 to group 11 output error message of packet module, organize 11 error message of packet module into
Row group packet；
Step 11, in the step of photon stitching path differentiates five, after 11 groups of packets of group packet module reach a bag data,
It will pass through usb communication module 10 and upload error message to host computer 12.
Beneficial effects of the present invention: the UV corona detection device based on ultraviolet photon counting image detector is solved
Signal processing problems can switch photon splicing tunnel according to current ultraviolet photon rate, and the environment for improving equipment adapts to
Property and low photon velocity under the equipment speed of response, the self-checking function with the error message in judgement system operational process,
Using usb communication, application is stronger, realizes and fast and automatically changes detection process, increases substantially production efficiency, highly beneficial
In portable corona detection device following widespread adoption at home.
Detailed description of the invention
Fig. 1 is the schematic diagram of the signal processing structure applied to UV corona detection device.
Fig. 2 is the flow chart of the signal processing method applied to UV corona detection device.
Specific embodiment
Of the invention is specifically described in further detail with reference to the accompanying drawing.
As shown in Figure 1, the signal processing structure for being applied to UV corona detection device includes: that ultraviolet photon counts image spy
Device 1, signal peak processing module 2, photon splicing tunnel discrimination module 3, Analog-digital Converter module 4, photon velocity is surveyed to calculate
Module 5, error message processing module 6, change-over switch 7, low rate photon splicing module 8, high-speed photon splicing module 9, USB
Communication module 10, group packet module 11 and host computer 12.
Ultraviolet photon counts the ultraviolet photon pulse signal that image detector 1 detects ultraviolet source sending, and by its turn
It is changed to tri- road analog voltage signal of S, W, Z, signal peak processing module 2 acquires the arteries and veins of tri- road analog voltage signal of S, W, Z simultaneously
Rush peak value.
Signal peak processing module 2 can use PH300 hardware realization.
The pulse for the tri- road analog voltage signal of S, W, Z that Analog-digital Converter module 4 exports signal peak processing module 2
Peak value is converted to tri- railway digital amount voltage signal of S, W, Z, and exports to change-over switch 7.
Analog-digital Converter module 4 can use LTC2315 hardware realization.
Signal peak processing module 2 is spliced to 3 output photon pulse indication signal of photon splicing tunnel discrimination module, photon
Channel discrimination module 3 calculates the photon pulse indication signal quantity in 10 milliseconds of times, controls change-over switch 7 according to this quantity,
Change-over switch 7 is switched to low rate photon splicing module 8 or high-speed photon splicing module 9, corresponding low rate photon is spelled
Connection module 8 or high-speed photon splicing module 9 again export tri- railway digital amount voltage signal of S, W, Z to a group packet module 11, group packet
Module 11 packages tri- railway digital amount voltage signal of S, W, Z.
Signal peak processing module 2 is calculated to 5 output photon pulse indication signal of photon velocity computing module, photon velocity
Module 5 calculates the photon pulse indication signal quantity in 1 seconds, is photon velocity, and photon velocity computing module 5 is to group
Packet module 11 exports this photon velocity；
Error message processing module 6 differentiates the error message in 2 operational process of signal peak processing module, and by the mistake
Information is exported to a group packet module 11；One bag data usb communication module 10 is uploaded to host computer 12 by group packet module 11.
Usb communication module 10 can be communicated using USB2.0 agreement.
Wherein, the driving of signal peak processing module 2, photon splicing tunnel discrimination module 3, Analog-digital Converter module 4
Driving, photon velocity computing module 5, error message processing module 6, change-over switch 7, low rate photon splicing module 8, high speed
Rate photon splicing module 9, the driving of usb communication module 10 and group packet module 11 use software realization, such as FPGA.
As depicted in figs. 1 and 2, the signal processing method applied to UV corona detection device, including photon stitching path
Differentiate, photon velocity calculates and error message processing.
It is ultraviolet when the ultraviolet photon pulse signal of ultraviolet source output, which is irradiated to ultraviolet photon, counts image detector 1
Photon counting image detector 1 is converted into tri- road analog voltage signal of S, W, Z, and exports to signal peak processing module 2.
Photon stitching path differentiate the following steps are included:
Step 1, signal peak processing module 2 to 3 output photon pulse indication signal of photon splicing tunnel discrimination module,
Photon splicing tunnel discrimination module 3 calculates the photon pulse indication signal quantity in 10 milliseconds of times, meanwhile, Analog-digital Converter
The peak value of pulse for the tri- road analog voltage signal of S, W, Z that signal peak processing module 2 exports is converted to tri- tunnel S, W, Z by module 4
Digital quantity voltage signal, and export to change-over switch 7.
Step 2, photon splicing tunnel discrimination module 3 judge that photon pulse indication signal quantity is in 10 milliseconds of times
No to cross over threshold value 10k, if not crossing over threshold value 10k, group packet module 11 just splices tri- railway digital amount voltage signal of S, W, Z, when
Group 11 groups of packets of packet module are just uploaded the bag data by usb communication module 10USB2.0 agreement after reaching 128 data of a packet,
If just performed the next step across threshold value.
Step 3, photon splicing tunnel discrimination module 3 judge whether current photon splicing tunnel transmission terminates, if do not had
Terminate, then continue to judge, until terminating, just performs the next step.
Step 4, photon pulse indication signal in 10 milliseconds of times in 3 judgment step one of photon splicing tunnel discrimination module
Whether quantity is less than threshold value 10k, if not being less than threshold value 10k, selects high-speed photon splicing module by change-over switch 7
9, the tri- railway digital amount voltage signal of S, W, Z that Analog-digital Converter module 4 exports is spliced, if it is less than threshold value, is then led to
It crosses change-over switch 7 and selects low rate photon splicing module 8, the tri- railway digital amount electricity of S, W, Z that Analog-digital Converter module 4 is exported
Pressure signal is spliced.
The bag data is just passed through usb communication module after 11 groups of packets of group packet module reach 128 data of packet by step 5
10USB2.0 agreement is uploaded to host computer 12.
Photon velocity calculate the following steps are included:
Step 6, signal peak processing module 2 is to 5 output photon pulse indication signal of photon velocity computing module, photon
Rate calculation module 5 calculates the photon pulse indication signal quantity in 1 second time, i.e. photon velocity.
Step 7, photon velocity computing module 5 export photon velocity calculated in step 6 to a group packet module 11, group
Packet module 11 packages photon velocity.
Step 8, in the step of photon stitching path differentiates five, after group 11 groups of packets of packet module reach 128 data of a packet
Just the bag data is uploaded to host computer 12 by usb communication module 10USB2.0 agreement.
Error message processing the following steps are included:
Step 9, signal peak processing module 2PH300 is in the process of running, it may appear that not by S, W, Z analog voltage
The error situation that peak value is all correctly kept, or after correct keep, PH300 does not have the error messages such as normal reset.
Step 10, error message processing module 6 export the error message differentiated in step 1 to a group packet module 11, group packet
Module 11 packages error message.
Step 11, in the step of photon stitching path differentiates five, group 11 groups of packets of packet module reach 128 data of a packet
The bag data is just uploaded to host computer 12 by usb communication module 10USB2.0 agreement afterwards.
Claims (5)
1. being applied to the signal processing structure of UV corona detection device, characterized in that visited comprising: which ultraviolet photon counts image
Survey device (1), signal peak processing module (2), photon splicing tunnel discrimination module (3), Analog-digital Converter module (4), photon
Rate calculation module (5), error message processing module (6), change-over switch (7), low rate photon splicing module (8), high-speed
Photon splicing module (9), usb communication module (10) and group packet module (11)；
Ultraviolet photon counts image detector (1) and exports tri- road analog voltage signal of S, W, Z to signal peak processing module (2),
Signal peak processing module (2) Xiang Guangzi splicing tunnel discrimination module (3) output photon pulse indication signal, Analog-digital Converter
The tri- road analog voltage signal amplitude of S, W, Z of module (4) acquisition signal peak processing module (2) output is simultaneously converted to S, W, Z tri-
Railway digital amount voltage signal, the tri- railway digital amount voltage signal of S, W, Z are turned by what photon splicing tunnel discrimination module (3) controlled
Switch (7) output is changed to one of low rate photon splicing module (8) and high-speed photon splicing module (9), low rate light
One of sub- splicing module (8) and high-speed photon splicing module (9) again by tri- railway digital amount voltage signal of S, W, Z export to
Group packet module (11), group packet module (11) package tri- railway digital amount voltage signal of S, W, Z；
Signal peak processing module (2) is calculated to photon velocity computing module (5) output photon pulse indication signal, photon velocity
Module (5) is to group packet module (11) output photon rate；
Error message processing module (6) differentiate signal peak processing module (2) error message, and by the error message export to
Group packet module (11)；
Group information of packet module (11) output is uploaded to host computer (12) by usb communication module (10).
2. the signal processing structure according to claim 1 applied to UV corona detection device, characterized in that signal peak
It is worth processing module (2) and uses PH300 hardware realization.
3. the signal processing structure according to claim 1 applied to UV corona detection device, characterized in that simulation number
Word conversion module (4) uses LTC2315 hardware realization.
4. the signal processing structure according to claim 1 applied to UV corona detection device, characterized in that USB is logical
Letter module (10) is communicated using USB2.0 agreement.
5. based on the signal processing method of the signal processing structure described in claim 1 applied to UV corona detection device,
It is characterized in that this method includes, photon stitching path differentiates, photon velocity calculates and error message processing；
Photon stitching path differentiate the following steps are included:
Step 1, photon splicing tunnel discrimination module (3) calculate photon pulse indication signal quantity in the Millisecond time；
Step 2, photon splicing tunnel discrimination module (3) judge in the Millisecond time whether is photon pulse indication signal quantity
Across threshold value, if not crossing over threshold value, group packet module (11) just packages tri- railway digital amount voltage signal of S, W, Z, group
Packet is just uploaded the bag data by usb communication module (10) after reaching a bag data, if just executed next across threshold value
Step；
Step 3, photon splicing tunnel discrimination module (3) judge whether current photon splicing tunnel transmission terminates, if do not tied
Beam then continues to judge, until terminating, just perform the next step；
Step 4, photon pulse indication signal number in the Millisecond time in photon splicing tunnel discrimination module (3) judgment step one
Whether amount is less than threshold value, if not being less than threshold value, high-speed photon splicing module (9) is selected then to select if it is less than threshold value
Select low rate photon splicing module (8)；
Step 5 just passes through the bag data on usb communication module (10) after group packet module (11) group packet reaches a bag data
It passes in host computer (12)；
Photon velocity calculate the following steps are included:
Step 6, photon velocity computing module (5) calculate the photon pulse indication signal quantity in 1 seconds, i.e. photon speed
Rate；
Step 7, photon velocity computing module (5) photon velocity calculated, group packet into group packet module (11) output step 6
Module (11) packages photon velocity；
Step 8 after group packet module (11) group packet reaches a bag data, is just led in the step of photon stitching path differentiates five
It crosses usb communication module (10) and uploads photon velocity to host computer (12)；
Error message processing the following steps are included:
Step 9, error message processing module (6) differentiate the error message in signal peak processing module (2) operational process；
Step 10, error message processing module (6) organize packet module (11) error message to group packet module (11) output error message
It packages；
Step 11, in the step of photon stitching path differentiates five, after group packet module (11) group packet reaches a bag data, just
Error message is uploaded to host computer (12) by usb communication module (10).
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