CN105759236A - Charging pile DC electric energy meter calibration device - Google Patents
Charging pile DC electric energy meter calibration device Download PDFInfo
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- CN105759236A CN105759236A CN201610080121.0A CN201610080121A CN105759236A CN 105759236 A CN105759236 A CN 105759236A CN 201610080121 A CN201610080121 A CN 201610080121A CN 105759236 A CN105759236 A CN 105759236A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The invention relates to a charging pile DC electric energy meter calibration device comprising a DC charging pile body, a Freescale IMX6 processor, a frequency division duplex communication interface, an infrared sensor array and target matching equipment. An appropriate measuring range can be selected according to the practical requirements in calibration, electric energy is calibrated by adopting a real-time pulse cycle comparison method, and the pulse cycle of a calibrated electric energy meter is measured in real time and compared with a standard pulse cycle so that measurement is convenient and rapid.
Description
Technical field
The present invention relates to direct-current charging post field, particularly relate to a kind of charging pile direct-current electric energy meter calibration device.
Background technology
Electric automobile, as the important component part of country's new forms of energy strategy, develops rapidly.Characteristic according to the on-vehicle battery that electric automobile uses, big-and-middle-sized electric automobile is generally adopted direct current mode and charges.DC voltage during due to charging is 400～800V, and electric current is 0～500A, and on market, original direct current energy meter functionally cannot adapt to the needs of charging pile electric energy metrical.If using AC energy meter metering electric energy with AC, can by rectification time electric energy loss calculate in user side, increase user and charge expense, be unfavorable for that electric automobile personal user's is universal.Some electric energy meter manufacturers have developed with the direct current energy meter of direct-current charging post electric energy metrical for this situation.Owing to such electric energy meter rated voltage and rated current are high, the performance of electric energy meter cannot be detected by existing metering and calibrating device according to direct current energy meter vertification regulation.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of charging pile direct-current electric energy meter calibration device, on the one hand, internal structure and supplementary structure to direct-current charging post carry out equipment realization and improvement, thus catering to the various demands of charging electric vehicle；On the other hand, car category acquisition system is based upon on direct-current charging post, direct-current charging post it is integrated with the infrared ray sensing array identifying vehicle and identifies the object matching equipment of electric vehicle, also using frequency duplex communications equipment to improve the efficiency of transmission identifying data.
According to an aspect of the present invention, provide a kind of charging pile direct-current electric energy meter calibration device, described charging pile includes direct-current charging post main body, Freescale IMX6 processor, frequency duplex communications interface, infrared ray sensing array and object matching equipment, direct-current charging post main body is for being charged the set of cells of electric automobile, infrared ray sensing array is used for detecting whether neighbouring road has automobile to pass through, object matching equipment is for being identified by the information of vehicles of automobile, Freescale IMX6 processor and frequency duplex communications interface, infrared ray sensing array and object matching equipment connect respectively, determine and the wireless transmission statistical number by automobile based on by the information of vehicles of automobile.
More specifically; in described charging pile direct-current electric energy meter calibration device; including: direct-current charging post main body, detects equipment, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, thermal-shutdown circuit, input over-and under-voltage protection circuit, output overvoltage current foldback circuit and CAN communication interface including input terminal voltage；First current rectifying and wave filtering circuit and 380 volts of three-phase alternating current incoming lines connect, for 380 volts of three-phase alternating currents are converted to DC input voitage；IGBT bridge connects respectively with the first current rectifying and wave filtering circuit and drive circuit, for, under the drive control signal of drive circuit, DC input voitage being converted to the AC-input voltage of pulsewidth modulation；High frequency transformer is connected with IGBT bridge, for AC-input voltage is carried out transformation isolation；Second current rectifying and wave filtering circuit is connected with high frequency transformer, again carries out rectifying and wave-filtering to obtain DC pulse signal for the voltage signal after transformation being isolated, and DC pulse signal is for being charged the set of cells of electric automobile；Drive circuit is connected with Freescale IMX6 processor, for receiving the IGBT bridge control signal that Freescale IMX6 processor sends, and determines drive control signal based on IGBT bridge control signal；Outfan and the Freescale IMX6 processor of sample detecting circuit and the second current rectifying and wave filtering circuit connect respectively, for DC pulse signal is carried out signal sampling to obtain direct current sampled data；Equalizing control circuit is connected with Freescale IMX6 processor, for the sharing control signal sent based on Freescale IMX6 processor, the charging current of the set of cells of electric automobile is carried out sharing control；Input terminal voltage detection equipment is arranged on 380 volts of three-phase alternating current incoming lines, it is connected with Freescale IMX6 processor, for detecting the input voltage of 380 volts of three-phase alternating currents of 380 volts of three-phase alternating current incoming lines, and input voltage is sent to Freescale IMX6 processor；The outfan of output end voltage current detecting equipment and the second current rectifying and wave filtering circuit connects, for detecting the voltage and current of the DC pulse signal of the output of the second current rectifying and wave filtering circuit, to be sent to Freescale IMX6 processor as output voltage and output electric current；Infrared ray sensing array, it is horizontally disposed with site of road nearby, it is made up of multiple infrared ray sensing unit, quantity according to the infrared ray sensing unit being triggered simultaneously determines whether neighbouring road exists running car and pass through, when determine exist running car by time send automobile and pass through signal, wherein, the horizontal width of infrared ray sensing array is be more than or equal to the length of the longest automobile, and multiple infrared ray sensing unit are for be uniformly distributed at equal intervals；MS storage card, for prestoring the reference characteristic vector of electric automobile, the reference characteristic vector of electric automobile is made up of 8 geometric properties of benchmark electric automobile image, 8 geometric properties respectively benchmark Euler hole counts, circularity, angle point number, convex-concave degree, smoothness, draw ratio, compactness and main shaft angle；Image data acquiring equipment, including watertight transparent cover, floor light subset and CMOS camera, described watertight transparent cover is used for holding described floor light subset and described CMOS camera, the shooting that described floor light subset is described CMOS camera provides floor light, described CMOS camera is for shooting neighbouring road, to obtain neighbouring road image；Image-preprocessing device, is connected with described CMOS camera, including medium filtering subset, low-pass filtering subset and homomorphic filtering subset；Described medium filtering subset is connected with described CMOS camera, for described neighbouring road image is performed medium filtering, to filter the spot noise in described neighbouring road image, it is thus achieved that the first filtering image；Described low-pass filtering subset is connected with described medium filtering subset, for removing the random noise in described first filtering image, it is thus achieved that the second filtering image；Described homomorphic filtering subset is connected with described low-pass filtering subset, for described second filtering image is performed image enhaucament, to obtain enhancing road image；Object matching equipment, it is connected respectively with described image-preprocessing device and described MS storage card, split subset and eigenvector recognition subset including image, described image segmentation subset is used for the target recognition in described enhancing road image out to obtain target image；Described eigenvector recognition subset is split subset with described image and is connected, 8 geometric properties of target are determined based on described target image, by described 8 geometric properties composition target feature vector, and target feature vector is mated with the reference characteristic vector of electric automobile, the match is successful then output there is electric automobile signal, it fails to match then output be absent from electric automobile signal；Frequency duplex communications interface, sets up wireless two-way communication link with the electric automobile information collecting center of far-end；Freescale IMX6 processor, with frequency duplex communications interface, infrared ray sensing array and object matching equipment connect respectively, when receiving automobile by signal, automobile quantity is from adding 1, when receive automobile by signal and receive there is electric automobile signal time, electric automobile quantity is from adding 1, on-electric automobile quantity is that automobile quantity deducts electric automobile quantity, automobile quantity, electric automobile quantity and on-electric automobile quantity monthly automatic clear, Freescale IMX6 processor passes through frequency duplex communications interface by automobile quantity, electric automobile quantity and on-electric automobile quantity are sent to the server of the electric automobile information collecting center position of far-end；Wherein, Freescale IMX6 processor is additionally based upon direct current sampled data and determines sharing control signal; Freescale IMX6 processor is also connected with thermal-shutdown circuit; for providing overheat protector operation for the set of cells of electric automobile; Freescale IMX6 processor is also connected with input over-and under-voltage protection circuit; for providing over-and under-voltage protection operation for 380 volts of three-phase alternating current incoming lines; Freescale IMX6 processor is also connected with output overvoltage current foldback circuit, for providing over-voltage over-current protection operation for the outfan of the second current rectifying and wave filtering circuit.
More specifically, in described charging pile direct-current electric energy meter calibration device: direct-current charging post main body includes Freescale IMX6 processor.
More specifically, in described charging pile direct-current electric energy meter calibration device: direct-current charging post main body includes cylinder blanket, and Freescale IMX6 processor is arranged in cylinder blanket.
More specifically, in described charging pile direct-current electric energy meter calibration device: cylinder blanket is fabricated by by stainless steel material mold.
More specifically, in described charging pile direct-current electric energy meter calibration device: MS storage card, image-preprocessing device and object matching equipment are all disposed within cylinder blanket.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the charging pile direct-current electric energy meter calibration device illustrated according to an embodiment of the present invention.
Accompanying drawing labelling: 1 direct-current charging post main body；2 Freescale IMX6 processors；3 frequency duplex communications interfaces；4 infrared ray sensing arrays；5 object matching equipment
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the charging pile direct-current electric energy meter calibration device of the present invention is described in detail.
Dividing by charging modes, charging pile (bolt) can be divided into direct-current charging post (bolt), alternating-current charging pile (bolt) and AC/DC integrated charge pile (bolt).
Currently, one of restriction Development of Electric Vehicles main reason is that the distribution situation that the configuration of its charging electrical network is difficult to electric automobile adapts, such as, electric automobile for DC charging, if arranging too many direct-current charging post, although it can be avoided that the situation that electric automobile can fill without electricity occurs, but but take too many resource, the financial burden being difficult to bear is brought to operator, on the contrary, if only road arranged alongside direct-current charging post frequently occurring at electric automobile, although decreasing taking resource, but on the one hand, electric automobile occurs judging frequently to generally rely on passing experience, judge inadequate science, on the other hand, easily cause electric automobile and be difficult to search out the situation generation of direct-current charging post.
In order to overcome above-mentioned deficiency, the present invention has built a kind of charging pile direct-current electric energy meter calibration device, first, with DC charging pilework for hardware platform, completes the statistics of neighbouring road vehicle type；Secondly, optimize DC charging pilework of the prior art, improve the charge efficiency of charging pile.
Fig. 1 is the block diagram of the charging pile direct-current electric energy meter calibration device illustrated according to an embodiment of the present invention, described charging pile includes direct-current charging post main body, Freescale IMX6 processor, frequency duplex communications interface, infrared ray sensing array and object matching equipment, direct-current charging post main body is for being charged the set of cells of electric automobile, infrared ray sensing array is used for detecting whether neighbouring road has automobile to pass through, object matching equipment is for being identified by the information of vehicles of automobile, Freescale IMX6 processor and frequency duplex communications interface, infrared ray sensing array and object matching equipment connect respectively, determine and the wireless transmission statistical number by automobile based on by the information of vehicles of automobile.
Then, continue the concrete structure of the charging pile direct-current electric energy meter calibration device of the present invention is further detailed.
Described charging pile includes: direct-current charging post main body, detects equipment, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, thermal-shutdown circuit, input over-and under-voltage protection circuit, output overvoltage current foldback circuit, CAN communication interface including input terminal voltage.
First current rectifying and wave filtering circuit and 380 volts of three-phase alternating current incoming lines connect, for 380 volts of three-phase alternating currents are converted to DC input voitage；IGBT bridge connects respectively with the first current rectifying and wave filtering circuit and drive circuit, for, under the drive control signal of drive circuit, DC input voitage being converted to the AC-input voltage of pulsewidth modulation；High frequency transformer is connected with IGBT bridge, for AC-input voltage is carried out transformation isolation.
Second current rectifying and wave filtering circuit is connected with high frequency transformer, again carries out rectifying and wave-filtering to obtain DC pulse signal for the voltage signal after transformation being isolated, and DC pulse signal is for being charged the set of cells of electric automobile.
Drive circuit is connected with Freescale IMX6 processor, for receiving the IGBT bridge control signal that Freescale IMX6 processor sends, and determines drive control signal based on IGBT bridge control signal；Outfan and the Freescale IMX6 processor of sample detecting circuit and the second current rectifying and wave filtering circuit connect respectively, for DC pulse signal is carried out signal sampling to obtain direct current sampled data.
Equalizing control circuit is connected with Freescale IMX6 processor, for the sharing control signal sent based on Freescale IMX6 processor, the charging current of the set of cells of electric automobile is carried out sharing control；Input terminal voltage detection equipment is arranged on 380 volts of three-phase alternating current incoming lines, it is connected with Freescale IMX6 processor, for detecting the input voltage of 380 volts of three-phase alternating currents of 380 volts of three-phase alternating current incoming lines, and input voltage is sent to Freescale IMX6 processor.
The outfan of output end voltage current detecting equipment and the second current rectifying and wave filtering circuit connects, for detecting the voltage and current of the DC pulse signal of the output of the second current rectifying and wave filtering circuit, to be sent to Freescale IMX6 processor as output voltage and output electric current.
Described charging pile includes: infrared ray sensing array, it is horizontally disposed with site of road nearby, it is made up of multiple infrared ray sensing unit, quantity according to the infrared ray sensing unit being triggered simultaneously determines whether neighbouring road exists running car and pass through, when determine exist running car by time send automobile and pass through signal.
Wherein, the horizontal width of infrared ray sensing array is be more than or equal to the length of the longest automobile, and multiple infrared ray sensing unit are for be uniformly distributed at equal intervals.
Described charging pile includes: MS storage card, for prestoring the reference characteristic vector of electric automobile, the reference characteristic vector of electric automobile is made up of 8 geometric properties of benchmark electric automobile image, 8 geometric properties respectively benchmark Euler hole counts, circularity, angle point number, convex-concave degree, smoothness, draw ratio, compactness and main shaft angle.
Described charging pile includes: image data acquiring equipment, including watertight transparent cover, floor light subset and CMOS camera, described watertight transparent cover is used for holding described floor light subset and described CMOS camera, the shooting that described floor light subset is described CMOS camera provides floor light, described CMOS camera is for shooting neighbouring road, to obtain neighbouring road image.
Described charging pile includes: image-preprocessing device, is connected with described CMOS camera, including medium filtering subset, low-pass filtering subset and homomorphic filtering subset.
Described medium filtering subset is connected with described CMOS camera, for described neighbouring road image is performed medium filtering, to filter the spot noise in described neighbouring road image, it is thus achieved that the first filtering image；Described low-pass filtering subset is connected with described medium filtering subset, for removing the random noise in described first filtering image, it is thus achieved that the second filtering image；Described homomorphic filtering subset is connected with described low-pass filtering subset, for described second filtering image is performed image enhaucament, to obtain enhancing road image.
Described charging pile includes: object matching equipment, is connected respectively with described image-preprocessing device and described MS storage card, splits subset and eigenvector recognition subset including image.
Described image segmentation subset is used for the target recognition in described enhancing road image out to obtain target image；Described eigenvector recognition subset is split subset with described image and is connected, 8 geometric properties of target are determined based on described target image, by described 8 geometric properties composition target feature vector, and target feature vector is mated with the reference characteristic vector of electric automobile, the match is successful then output there is electric automobile signal, it fails to match then output be absent from electric automobile signal；Frequency duplex communications interface, sets up wireless two-way communication link with the electric automobile information collecting center of far-end.
Described charging pile includes: Freescale IMX6 processor, it is connected respectively with frequency duplex communications interface, infrared ray sensing array and object matching equipment, when receiving automobile by signal, automobile quantity is from adding 1, when receive automobile by signal and receive there is electric automobile signal time, electric automobile quantity is from adding 1, and on-electric automobile quantity is that automobile quantity deducts electric automobile quantity, automobile quantity, electric automobile quantity and on-electric automobile quantity monthly automatic clear.
Automobile quantity, electric automobile quantity and on-electric automobile quantity are sent to the server of the electric automobile information collecting center position of far-end by Freescale IMX6 processor also by frequency duplex communications interface.
Wherein, Freescale IMX6 processor is additionally based upon direct current sampled data and determines sharing control signal; Freescale IMX6 processor is also connected with thermal-shutdown circuit; for providing overheat protector operation for the set of cells of electric automobile; Freescale IMX6 processor is also connected with input over-and under-voltage protection circuit; for providing over-and under-voltage protection operation for 380 volts of three-phase alternating current incoming lines; Freescale IMX6 processor is also connected with output overvoltage current foldback circuit, for providing over-voltage over-current protection operation for the outfan of the second current rectifying and wave filtering circuit.
Alternatively, in described charging pile direct-current electric energy meter calibration device: direct-current charging post main body includes Freescale IMX6 processor；Direct-current charging post main body includes cylinder blanket, and Freescale IMX6 processor is arranged in cylinder blanket；Cylinder blanket is fabricated by by stainless steel material mold；And MS storage card, image-preprocessing device and object matching equipment can be arranged in cylinder blanket.
It addition, wave filter, as the term suggests, it is the device that ripple is filtered." ripple " is a physical concept widely, and at electronic technology field, " ripple " is narrowly confined to refer in particular to the process of the value fluctuations in time describing various physical quantitys.The effect by various kinds of sensors of this process, is converted into the time function of voltage or electric current, is referred to as the time waveform of various physical quantity, or is referred to as signal.Because the independent variable time is continuous value, it is referred to as continuous time signal, is referred to as again analogue signal habitually.
Along with the generation of digital electronic computer technology with develop rapidly, for the ease of computer, signal is processed, create under sampling theorem instructs, continuous time signal is transformed into discrete-time signal complete theory and method.That is, only can express primary signal by original analog signal sample value on series of discrete time coordinate point and not lose any information, since what these concepts of ripple, waveform, signal were expressed is the change of various physical quantitys in objective world, it is exactly the carrier of the various information that modern society depends on for existence naturally.Information needs to propagate, and what lean on is exactly the transmission of waveshape signal.Signal its generation, conversion, transmission each link be likely to be due to the existence of environment and interference and distort, or even in quite a number of cases, this distortion is also very serious, causes that signal and entrained information thereof are embedded in the middle of noise dearly.In order to filter these noises, recover signal originally, it is necessary to use various wave filter to be filtered processing.
Adopt the charging pile direct-current electric energy meter calibration device of the present invention, it is difficult to determine the technical problem of suitable direct-current charging post distribution mode for prior art, on the one hand, with direct-current charging post for hardware platform, build a set of car category statistical analysis equipment, and be sent to the manager of charging pile by wireless network；On the other hand, adopt the direct-current charging post hardware configuration after improvement, while improve charge efficiency, add more miscellaneous function.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection.
Claims (6)
1. a charging pile direct-current electric energy meter calibration device, described charging pile includes direct-current charging post main body, Freescale IMX6 processor, frequency duplex communications interface, infrared ray sensing array and object matching equipment, direct-current charging post main body is for being charged the set of cells of electric automobile, infrared ray sensing array is used for detecting whether neighbouring road has automobile to pass through, object matching equipment is for being identified by the information of vehicles of automobile, Freescale IMX6 processor and frequency duplex communications interface, infrared ray sensing array and object matching equipment connect respectively, determine and the wireless transmission statistical data by automobile based on by the information of vehicles of automobile.
2. charging pile direct-current electric energy meter calibration device as claimed in claim 1, it is characterised in that described charging pile includes:
Direct-current charging post main body, detects equipment, output end voltage current detecting equipment, the first current rectifying and wave filtering circuit, insulated gate bipolar transistor IGBT bridge, high frequency transformer, the second current rectifying and wave filtering circuit, drive circuit, sample detecting circuit, equalizing control circuit, thermal-shutdown circuit, input over-and under-voltage protection circuit, output overvoltage current foldback circuit and CAN communication interface including input terminal voltage；
First current rectifying and wave filtering circuit and 380 volts of three-phase alternating current incoming lines connect, for 380 volts of three-phase alternating currents are converted to DC input voitage；
IGBT bridge connects respectively with the first current rectifying and wave filtering circuit and drive circuit, for, under the drive control signal of drive circuit, DC input voitage being converted to the AC-input voltage of pulsewidth modulation；
High frequency transformer is connected with IGBT bridge, for AC-input voltage is carried out transformation isolation；
Second current rectifying and wave filtering circuit is connected with high frequency transformer, again carries out rectifying and wave-filtering to obtain DC pulse signal for the voltage signal after transformation being isolated, and DC pulse signal is for being charged the set of cells of electric automobile；
Drive circuit is connected with Freescale IMX6 processor, for receiving the IGBT bridge control signal that Freescale IMX6 processor sends, and determines drive control signal based on IGBT bridge control signal；
Outfan and the Freescale IMX6 processor of sample detecting circuit and the second current rectifying and wave filtering circuit connect respectively, for DC pulse signal is carried out signal sampling to obtain direct current sampled data；
Equalizing control circuit is connected with Freescale IMX6 processor, for the sharing control signal sent based on Freescale IMX6 processor, the charging current of the set of cells of electric automobile is carried out sharing control；
Input terminal voltage detection equipment is arranged on 380 volts of three-phase alternating current incoming lines, it is connected with Freescale IMX6 processor, for detecting the input voltage of 380 volts of three-phase alternating currents of 380 volts of three-phase alternating current incoming lines, and input voltage is sent to Freescale IMX6 processor；
The outfan of output end voltage current detecting equipment and the second current rectifying and wave filtering circuit connects, for detecting the voltage and current of the DC pulse signal of the output of the second current rectifying and wave filtering circuit, to be sent to Freescale IMX6 processor as output voltage and output electric current；
Infrared ray sensing array, it is horizontally disposed with site of road nearby, it is made up of multiple infrared ray sensing unit, quantity according to the infrared ray sensing unit being triggered simultaneously determines whether neighbouring road exists running car and pass through, when determine exist running car by time send automobile and pass through signal, wherein, the horizontal width of infrared ray sensing array is be more than or equal to the length of the longest automobile, and multiple infrared ray sensing unit are for be uniformly distributed at equal intervals；
MS storage card, for prestoring the reference characteristic vector of electric automobile, the reference characteristic vector of electric automobile is made up of 8 geometric properties of benchmark electric automobile image, 8 geometric properties respectively benchmark Euler hole counts, circularity, angle point number, convex-concave degree, smoothness, draw ratio, compactness and main shaft angle；
Image data acquiring equipment, including watertight transparent cover, floor light subset and CMOS camera, described watertight transparent cover is used for holding described floor light subset and described CMOS camera, the shooting that described floor light subset is described CMOS camera provides floor light, described CMOS camera is for shooting neighbouring road, to obtain neighbouring road image；
Image-preprocessing device, is connected with described CMOS camera, including medium filtering subset, low-pass filtering subset and homomorphic filtering subset；Described medium filtering subset is connected with described CMOS camera, for described neighbouring road image is performed medium filtering, to filter the spot noise in described neighbouring road image, it is thus achieved that the first filtering image；Described low-pass filtering subset is connected with described medium filtering subset, for removing the random noise in described first filtering image, it is thus achieved that the second filtering image；Described homomorphic filtering subset is connected with described low-pass filtering subset, for described second filtering image is performed image enhaucament, to obtain enhancing road image；
Object matching equipment, it is connected respectively with described image-preprocessing device and described MS storage card, split subset and eigenvector recognition subset including image, described image segmentation subset is used for the target recognition in described enhancing road image out to obtain target image；Described eigenvector recognition subset is split subset with described image and is connected, 8 geometric properties of target are determined based on described target image, by described 8 geometric properties composition target feature vector, and target feature vector is mated with the reference characteristic vector of electric automobile, the match is successful then output there is electric automobile signal, it fails to match then output be absent from electric automobile signal；
Frequency duplex communications interface, sets up wireless two-way communication link with the electric automobile information collecting center of far-end；
Freescale IMX6 processor, with frequency duplex communications interface, infrared ray sensing array and object matching equipment connect respectively, when receiving automobile by signal, automobile quantity is from adding 1, when receive automobile by signal and receive there is electric automobile signal time, electric automobile quantity is from adding 1, on-electric automobile quantity is that automobile quantity deducts electric automobile quantity, automobile quantity, electric automobile quantity and on-electric automobile quantity monthly automatic clear, Freescale IMX6 processor passes through frequency duplex communications interface by automobile quantity, electric automobile quantity and on-electric automobile quantity are sent to the server of the electric automobile information collecting center position of far-end；
Wherein, Freescale IMX6 processor is additionally based upon direct current sampled data and determines sharing control signal; Freescale IMX6 processor is also connected with thermal-shutdown circuit; for providing overheat protector operation for the set of cells of electric automobile; Freescale IMX6 processor is also connected with input over-and under-voltage protection circuit; for providing over-and under-voltage protection operation for 380 volts of three-phase alternating current incoming lines; Freescale IMX6 processor is also connected with output overvoltage current foldback circuit, for providing over-voltage over-current protection operation for the outfan of the second current rectifying and wave filtering circuit.
3. charging pile direct-current electric energy meter calibration device as claimed in claim 2, it is characterised in that:
Direct-current charging post main body includes Freescale IMX6 processor.
4. charging pile direct-current electric energy meter calibration device as claimed in claim 3, it is characterised in that:
Direct-current charging post main body includes cylinder blanket, and Freescale IMX6 processor is arranged in cylinder blanket.
5. charging pile direct-current electric energy meter calibration device as claimed in claim 4, it is characterised in that:
Cylinder blanket is fabricated by by stainless steel material mold.
6. the charging pile direct-current electric energy meter calibration device as described in as arbitrary in claim 4-5, it is characterised in that:
MS storage card, image-preprocessing device and object matching equipment are all disposed within cylinder blanket.
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Application publication date: 20160713 |