CN111308243A - Intelligent charging test device and test method - Google Patents
Intelligent charging test device and test method Download PDFInfo
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- CN111308243A CN111308243A CN202010152515.9A CN202010152515A CN111308243A CN 111308243 A CN111308243 A CN 111308243A CN 202010152515 A CN202010152515 A CN 202010152515A CN 111308243 A CN111308243 A CN 111308243A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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Abstract
The invention discloses an intelligent charging test device and a test method. According to the technical scheme, the blank of the testing field of the charging robot of the electric automobile is filled through integrating the testing modules such as image video monitoring, a docking precision testing mechanism and charging current monitoring, and through data integration and visual chart display, long-term dependence on testers in docking testing is solved, and the testing is automated; meanwhile, the device has the advantages of simple structure, easy maintenance and strong expansibility.
Description
Technical Field
The invention relates to the field of embedded system function testing, in particular to an intelligent charging testing device and a testing method.
Background
In the practical application process, the intelligent charging robot applied to the field of automobile charging may have various factors causing the docking failure with the automobile charging interface, including cumulative errors of mechanical arms, defects of image recognition algorithms and unexpected problems caused by other external factors, and in order to find out the possible problems, the manual long-time plugging and unplugging test on the charging robot is usually required, so that a large amount of manpower and material resources are consumed, and meanwhile, effective summarization and statistics are difficult to be carried out on data of each plugging and unplugging test.
Disclosure of Invention
To solve the above problems in the prior art, an intelligent charging test device and a test method are provided, and the specific technical scheme is as follows:
an intelligent charging test device specifically includes:
the charging butt joint moves by adopting a mechanical arm and is butted with an external port to be charged, and the charging butt joint outputs electric energy to the port to be charged after being butted;
the pressure detection clamp is fixedly arranged around the periphery of the charging butt joint through a clamping structure and is adapted to the charging butt joint;
arranging at least one pressure probe and at least one pressure sensor in the pressure detection clamp, wherein the pressure probes are parallel to the butt joint direction of the charging butt joint and the port to be charged;
each pressure sensor is respectively connected with at least one pressure probe and is used for detecting and obtaining butt joint pressure parameters output by each pressure probe during charging and outputting the parameters;
the charging device body is connected with an external power supply and is electrically connected with the charging butt joint, and the charging device body comprises a current sensor which is used for detecting and obtaining current parameters generated by the charging butt joint during charging and outputting the current parameters;
the camera is arranged to face the charging butt joint and is used for shooting the area where the charging butt joint is located during charging and outputting a video image;
the background host is respectively connected with the charging device main body, each pressure sensor and the camera and comprises a processor which is used for receiving the current parameters sent by the charging device main body and the butt joint pressure parameters sent by the pressure sensors, judging and outputting butt joint state information used for representing the real-time butt joint state of the charging butt joint and the port to be charged according to the current parameters and the butt joint pressure parameters, and simultaneously receiving and storing video images.
Preferably, the intelligent charging test device is provided with a plurality of pressure probes and a plurality of pressure sensors in the pressure detection clamp;
a plurality of detection holes are uniformly formed in the pressure detection clamp, the detection holes are distributed around the periphery of the charging butt joint, and the detection holes correspond to the pressure probes one by one;
the pressure probes correspond to the pressure sensors one by one, and the pressure sensors are electrically connected with the corresponding pressure probes through the detection holes.
Preferably, the intelligent charging test device, wherein the processor further comprises:
the first storage unit is used for receiving and storing the current parameter and the docking pressure parameter;
the first conversion unit is connected with the first storage unit and used for converting the current parameters into corresponding current values in real time and outputting the current values;
the second conversion unit is connected with the first storage unit and is used for respectively converting all the docking pressure parameters into corresponding docking pressure values in real time and outputting the docking pressure values;
the tabulation unit is respectively connected with the first conversion unit and the second conversion unit and is used for producing a visual chart according to the current value and the butt joint pressure value and the time axis;
the second storage unit is used for storing a preset standard current value and a standard docking pressure value in a standard docking state;
the first judging unit is respectively connected with the first converting unit and the second storage unit, judges whether the current value is consistent with the standard current value in real time and outputs a first judging result;
a second judging unit respectively connected with the second conversion unit and the second storage unit for judging whether all the butt joint pressure values are consistent with the standard butt joint pressure value in real time and outputting a second judging result
The labeling unit is respectively connected with the tabulation unit, the first judging unit and the second judging unit, and is used for labeling the inconsistent current value and/or the inconsistent butt joint pressure value as an abnormal value on the visual chart according to the first judging result and the second judging result, and outputting a time period corresponding to the abnormal value as labeling information;
and the third storage unit is connected with the labeling unit, and extracts and stores the video image in the corresponding time period from the camera according to the labeling information.
Preferably, in the intelligent charging test device, the background host is connected with a display device;
the display device is used for displaying a visual chart and a video image.
Preferably, the intelligent charging test device, wherein the charging device body further comprises a dynamic vision component;
the dynamic visual assembly is arranged on the surface of the charging device main body and electrically connected with the mechanical arm, and is used for tracking the position of the port to be charged and controlling the mechanical arm to complete the butt joint of the charging butt joint head and the port to be charged.
Preferably, the intelligent charging test device, wherein the current sensor is a hall current sensor.
Preferably, the intelligent charging test device is characterized in that the camera is arranged on a movable holder;
the camera includes:
the shooting unit is used for shooting the area where the charging butt joint is located and sending a video image to the background host;
the identification unit is used for identifying and tracking the charging butt joint and outputting a corresponding tracking instruction;
and the control unit is connected with the identification unit and used for controlling the movable holder to move the camera according to the tracking instruction output by the identification unit so as to realize the purpose of tracking and shooting the area where the charging butt joint is located.
A test method is applied to any one intelligent charging test device, the intelligent charging test device comprises a charging device main body, a charging butt joint, a pressure detection clamp, a camera and a background host, wherein the charging butt joint is electrically connected with the charging device main body;
the charging device main body comprises a current sensor for detecting and obtaining current parameters during charging;
the pressure detection clamp comprises at least one pressure probe and at least one pressure sensor, each pressure sensor is connected with at least one pressure probe, and the pressure sensors are used for detecting and obtaining butt joint pressure parameters output by each pressure probe during charging;
the background host is respectively connected with the charging device main body, each pressure sensor and the image pickup picture;
in the charging butt joint test, a port to be charged is preset, and a mechanical arm is adopted to move a charging butt joint and butt joint with the port to be charged;
in a single charge docking test, the test method comprises the following steps:
step S1, moving the charging butt joint through the mechanical arm to butt joint with the port to be charged, and starting charging;
step S2, the camera shoots the area of the charging butt joint in the charging period, and outputs a video image;
step S3, the current sensor and the pressure sensor respectively collect and output current parameters and butt joint pressure parameters during the charging period;
step S4, the background host judges and outputs docking state information used for representing the real-time docking state of the charging docking head and the port to be charged according to the current parameter and the docking pressure parameter, and simultaneously receives and stores a video image;
wherein step S2 and step S3 are performed simultaneously.
Preferably, in the testing method, a standard current value and a standard docking pressure value in a standard docking state are preset in the charging docking test;
step S4 further includes:
step S41, converting the current parameters into corresponding current values in real time and outputting the current values, and simultaneously converting all the docking pressure parameters into corresponding docking pressure values in real time and outputting the docking pressure values;
step S42, according to the current value and the butt joint pressure value, a visual chart is made according to the time axis;
step S43, determining whether the current value and the standard current value are consistent, and determining whether the docking pressure value and the standard docking pressure value are consistent:
if the current value does not meet the standard current value and/or the docking pressure value does not meet the standard docking pressure value, turning to step S44;
if the current value is in accordance with the standard current value and the docking pressure value is in accordance with the standard docking pressure value, outputting a visual chart and ending;
and step S44, labeling the unmatched current value and/or the unmatched butt pressure value as an abnormal value on the visual icon, outputting a visual chart with the label, and extracting and storing a video image of a time period corresponding to the abnormal value from the camera.
The technical scheme has the following advantages or beneficial effects:
according to the technical scheme, the blank of the testing field of the charging robot of the electric automobile is filled through integrating the testing modules such as image video monitoring, a docking precision testing mechanism and charging current monitoring, and through data integration and visual chart display, long-term dependence on testers in docking testing is solved, and the testing is automated; meanwhile, the device has the advantages of simple structure, easy maintenance and strong expansibility.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent charging test apparatus according to the present invention;
FIG. 2 is an exploded view of a pressure detecting clamp in an intelligent charging testing apparatus according to the present invention;
fig. 3 is a schematic diagram of an internal structure of a processor in the intelligent charging test apparatus according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
To solve the above problems in the prior art, an intelligent charging test device and a test method are provided, and the specific technical scheme is as follows:
an intelligent charging test device, as shown in fig. 1-3, specifically includes:
the charging butt joint 2 adopts a mechanical arm 20 to move the charging butt joint 2 and butt joint an external port 21 to be charged, and the charging butt joint 2 outputs electric energy to the port 21 to be charged after butt joint;
the pressure detection clamp 25, the pressure detection clamp 25 is fixedly arranged around the periphery of the charging butt joint 2 through a clamping structure, and the pressure detection clamp 25 is adapted to the charging butt joint 2;
at least one pressure probe 22 and at least one pressure sensor 23 are arranged in the pressure detection clamp 25, and the pressure probes 22 are parallel to the butt joint direction of the charging butt joint head 2 and the port 21 to be charged;
each pressure sensor 23 is respectively connected with at least one pressure probe 22, and the pressure sensors 23 are used for detecting and obtaining and outputting the docking pressure parameters output by the pressure probes 22 during charging;
the charging device comprises a charging device body 1, a charging interface 2 and a control unit, wherein the charging device body 1 is connected with an external power supply 10 and is electrically connected with the charging interface 2, and the charging device body 1 comprises a current sensor 11 for detecting and obtaining and outputting current parameters generated by the charging interface 2 during charging;
a camera 3, arranged facing the charging dock 2, for capturing an area in which the charging dock 2 is located during charging and outputting a video image;
the background host 4 is respectively connected with the charging device main body 1, each pressure sensor 23 and the camera 3, and the background host 4 comprises a processor 40 for receiving the current parameters sent by the charging device main body 1 and the docking pressure parameters sent by the pressure sensors, judging and outputting docking state information for indicating the real-time docking state of the charging docking head 2 and the port 21 to be charged according to the current parameters and the docking pressure parameters, and simultaneously receiving and storing video images.
In a preferred embodiment of the present invention, the intelligent charging testing device is used for implementing a related test of automatic charging of an automobile, the charging device body 1 controls the mechanical arm 20 to complete the docking between the charging docking head 2 and the port 21 to be charged for test, and then the parameters obtained by the pressure sensor 23 and the current sensor 11 are used to determine whether the charging docking head 2 and the port 21 to be charged are perfectly docked, and extract and store the video when the docking abnormality occurs.
In the preferred embodiment, the automatic test of the automatic charging of the automobile is completed through systematic judgment and setting, so that manpower and material resources can be greatly saved, and the method has strong applicability; considering that the charging test device is designed for intelligent charging of an automobile, the charging butt joint 2 shown in fig. 2 is set according to the GB/T20234 standard, and at this time, the clamping structure of the pressure detection clamp 25 is set to a shape matching the clamping structure; if the setting style of the charging docking head 2 is modified and replaced by other models, the adaptive matching can be performed only by correspondingly adjusting the style of the clamping structure of the pressure detection clamp 25, and the charging device does not need to be modified and adjusted; meanwhile, because the real automobile has higher requirement on the testing space, the difficulty is also caused in how to adjust the setting position of the charging port for the same automobile, and in order to improve the universality of the testing device, a simulated port 21 to be charged is arranged to replace the real automobile, and the port 21 to be charged can automatically adjust the upper position, the lower position, the front position, the rear position and the inclination angle of the setting position, so that the situation that the setting positions of the charging ports of different types of automobiles are different can be simulated.
In the above preferred embodiment, the current sensor 11 is disposed inside the charging device body 1, since the charging device body 1 is connected to the external power supply 10 and transmits the electric energy to the charging dock 2, and the current sensor 11 is disposed therein for detecting the current parameter change of the power supply line, when the docking is bad or the docking is abnormal, the current parameter of the power supply line will show unstable change, thereby reflecting the docking condition of the charging terminal; the pressure probe 22 and the pressure sensor 23 disposed on the pressure detecting clamp 25 are used for detecting the docking pressure parameter, and when the docking is bad or the docking is abnormal, the docking pressure parameter will be different from the standard docking state, and the docking condition of the charging terminal can be reflected by the docking pressure parameter.
In a preferred embodiment, the intelligent charging test device is shown in fig. 2, wherein a plurality of pressure probes 22 and a plurality of pressure sensors 23 are arranged in the charging docking head 2;
a plurality of detection holes 24 are uniformly formed in the periphery of the charging butt joint 2, and the detection holes 24 correspond to the pressure probes 22 one by one;
the pressure probes 22 correspond to the pressure sensors 23 one by one, and the pressure sensors 23 are electrically connected with the corresponding pressure probes 22 through the detection holes 24.
In another preferred embodiment of the present invention, the pressure detection fixture 25 includes a plurality of pressure probes 22 and a plurality of pressure sensors 23, as shown in fig. 2, a front view and a side view of an explosion structure diagram of the pressure detection fixture 25 and a front view and a side view after assembly are respectively given, the plurality of pressure probes 22 and the plurality of pressure sensors 23 are in one-to-one correspondence, are disposed on the pressure detection fixture 25 and uniformly distributed around the docking side of the charging docking head 2, and are electrically connected through the detection holes 24, so that the advantage of this arrangement is that the pressure parameter condition of each angle during docking can be detected in an omnidirectional manner, and the orientation and angle of the docking error can be located through an algorithm in the subsequent processing process, which is beneficial to further improvement and analysis in the subsequent process.
As a preferred embodiment, the intelligent charging testing apparatus is shown in fig. 3, wherein the processor 40 further includes:
a first storage unit 401 for receiving and storing the current parameter and the docking pressure parameter;
the first conversion unit 402 is connected with the first storage unit 401, and is used for converting the current parameters into corresponding current values in real time and outputting the current values;
the second conversion unit 403 is connected to the first storage unit 401, and is configured to convert all docking pressure parameters into corresponding docking pressure values in real time and output the corresponding docking pressure values;
the tabulation unit 404 is respectively connected with the first conversion unit 402 and the second conversion unit 403, and a visual chart is produced according to the current value and the butt joint pressure value and according to the time axis;
a second storage unit 405, configured to store a preset standard current value and a standard docking pressure value in a standard docking state;
a first judging unit 406, connected to the first converting unit 402 and the second storing unit 405, respectively, for judging whether the current value is consistent with the standard current value in real time, and outputting a first judgment result;
a second determining unit 407, connected to the second converting unit 403 and the second storing unit 405 respectively, for determining whether all the docking pressure values are consistent with the standard docking pressure value in real time, and outputting a second determination result
The labeling unit 408 is connected with the tabulation unit 404, the first judging unit 406 and the second judging unit 407 respectively, labels the unmatched current value and/or the unmatched butt pressure value as an abnormal value on the visual chart according to the first judging result and the second judging result, and outputs a time period corresponding to the abnormal value as labeling information;
and a third storage unit 409 connected to the annotation unit 408, for extracting and storing the video image of the corresponding time period from the camera according to the annotation information.
In another preferred embodiment of the present invention, the processor 40 comprises a plurality of processing units, which first stores and primarily processes the collected current parameters and docking pressure parameters, and then makes the parameters into visual charts according to a preset template according to a time axis, so as to facilitate the user to view the charts.
In the above preferred embodiment, a set of standard current values and standard docking pressure values in the standard docking state are preset as the judgment criteria, and the first judgment unit 406 and the second judgment unit 407 are respectively used to compare whether the detected current values and docking voltage values are different from the standard values, and if there is a difference, it is judged that there is a docking abnormality.
In the above preferred embodiment, the camera 3 is always in the shooting monitoring stage for the region where the charging docking head 2 is located, and considering that the video image file will occupy a large amount of system storage space, the processor 1 only extracts and stores the video image file when the abnormal state occurs, which is beneficial to the simplification of the system size.
In a preferred embodiment, the intelligent charging test device is characterized in that the background host 4 is connected with a display device 41;
the display device 41 is used to display a visualization chart and a video image.
In another preferred embodiment of the present invention, the background host 4 comprises a display device 41 for displaying the visual chart, so that the user can observe and know the number of abnormal docking times and the corresponding video images during the testing process more conveniently and intuitively.
In a preferred embodiment, the intelligent charging test device, wherein the charging device body 1 further comprises a dynamic vision component;
the dynamic visual assembly is arranged on the surface of the charging device main body and electrically connected with the mechanical arm, and is used for tracking the position of the port to be charged and controlling the mechanical arm to complete the butt joint of the charging butt joint head and the port to be charged.
In a preferred embodiment, the intelligent charging test device is provided, wherein the current sensor 11 is a hall current sensor.
In another preferred embodiment of the present invention, a hall current sensor is used as the current sensor 11, and the current passing through the power supply line can be detected without destroying the structure of the test article.
As a preferred embodiment, the intelligent charging testing device is characterized in that the camera 3 is arranged on a movable holder;
the camera includes:
the shooting unit is used for shooting the area where the charging butt joint is located and sending a video image to the background host;
the identification unit is used for identifying and tracking the charging butt joint and outputting a corresponding tracking instruction;
and the control unit is connected with the identification unit and used for controlling the movable holder to move the camera according to the tracking instruction output by the identification unit so as to realize the purpose of tracking and shooting the area where the charging butt joint is located.
In another preferred embodiment of the present invention, since the port 21 to be charged can simulate and adjust the setting position according to different vehicle types, and the position of the charging docking head 2 will change accordingly, the camera 3 in the above preferred embodiment needs to adjust its own shooting angle in time to track and shoot the charging docking head 2 through the movable cradle head and the recognition control unit.
A test method is applied to any one intelligent charging test device, the intelligent charging test device comprises a charging device main body, a charging butt joint, a pressure detection clamp, a camera and a background host, wherein the charging butt joint is electrically connected with the charging device main body;
the charging device main body comprises a current sensor for detecting and obtaining current parameters during charging;
the pressure detection clamp comprises at least one pressure probe and at least one pressure sensor, each pressure sensor is connected with at least one pressure probe, and the pressure sensors are used for detecting and obtaining butt joint pressure parameters output by each pressure probe during charging;
the background host is respectively connected with the charging device main body, each pressure sensor and the image pickup picture;
in the charging butt joint test, a port to be charged is preset, and a mechanical arm is adopted to move a charging butt joint and butt joint with the port to be charged;
in a single charge docking test, the test method comprises the following steps:
step S1, moving the charging butt joint through the mechanical arm to butt joint with the port to be charged, and starting charging;
step S2, the camera shoots the area of the charging butt joint in the charging period, and outputs a video image;
step S3, the current sensor and the pressure sensor respectively collect and output current parameters and butt joint pressure parameters during the charging period;
step S4, the background host judges and outputs docking state information used for representing the real-time docking state of the charging docking head and the port to be charged according to the current parameter and the docking pressure parameter, and simultaneously receives and stores a video image;
wherein step S2 and step S3 are performed simultaneously.
As a preferred embodiment, in the testing method, in the charging docking test, a standard current value and a standard docking pressure value in a standard docking state are preset;
step S4 further includes:
step S41, converting the current parameters into corresponding current values in real time and outputting the current values, and simultaneously converting all the docking pressure parameters into corresponding docking pressure values in real time and outputting the docking pressure values;
step S42, according to the current value and the butt joint pressure value, a visual chart is made according to the time axis;
step S43, determining whether the current value and the standard current value are consistent, and determining whether the docking pressure value and the standard docking pressure value are consistent:
if the current value does not meet the standard current value and/or the docking pressure value does not meet the standard docking pressure value, turning to step S44;
if the current value is in accordance with the standard current value and the docking pressure value is in accordance with the standard docking pressure value, outputting a visual chart and ending;
and step S44, labeling the unmatched current value and/or the unmatched butt pressure value as an abnormal value on the visual icon, outputting a visual chart with the label, and extracting and storing a video image of a time period corresponding to the abnormal value from the camera.
In another preferred embodiment of the invention, the labeling of the abnormal value includes two cases of abnormal docking pressure value and abnormal current value, and the abnormal docking pressure value or current value means the existence of the docking abnormality.
A specific embodiment is now provided to further explain and explain the present technical solution:
in the specific embodiment of the invention, the intelligent charging test device is used for realizing the related test of automatic charging of the automobile, the mechanical arm is controlled by the charging device main body and the dynamic visual assembly thereof to complete the butt joint between the charging butt joint and the port to be charged for test, and then the parameters obtained by the pressure sensor and the current sensor are used for judging whether the charging butt joint and the port to be charged are perfectly butt jointed; in the process of plug test many times, above-mentioned flow is accomplished by this kind of intelligent charging testing arrangement is automatic, the intervention and the consumption of manpower resources have been saved, can be directly integrated into a visual chart with the electric current of plug test many times and pressure parameter simultaneously, combine the video image that the camera provided, can help the user to discover directly perceivedly that the butt joint charges when the butt joint is unusual and wait to charge the connection condition between the port, thereby can carry out more pertinent improvement to the connection anomaly of charging the end, for example, adjust dynamic vision subassembly's set position etc..
In conclusion, the technical scheme fills the blank of the testing field of the electric vehicle charging robot by integrating the testing modules such as image video monitoring, a docking precision testing mechanism and charging current monitoring and the like and by data integration and visual chart display, solves the long-term dependence on testers in the docking test and realizes the automation of the test; meanwhile, the device has the advantages of simple structure, easy maintenance and strong expansibility.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an intelligent charging testing arrangement which characterized in that, intelligent charging testing arrangement specifically includes:
the charging butt joint moves by adopting a mechanical arm and is butted with an external port to be charged, and the charging butt joint outputs electric energy to the port to be charged after being butted;
the pressure detection clamp is fixedly arranged around the periphery of the charging butt joint through a clamping structure and is adapted to the charging butt joint;
arranging at least one pressure probe and at least one pressure sensor in the pressure detection clamp, wherein the pressure probes are parallel to the butt joint direction of the charging butt joint and the port to be charged;
each pressure sensor is respectively connected with at least one pressure probe and used for detecting and obtaining and outputting a butt joint pressure parameter output by each pressure probe during charging;
the charging device body is connected with an external power supply and is electrically connected with the charging butt joint, and the charging device body comprises a current sensor which is used for detecting and obtaining current parameters generated by the charging butt joint during charging and outputting the current parameters;
a camera, arranged facing the charging docking head, for capturing an area in which the charging docking head is located during charging and outputting a video image;
the background host is respectively connected with the charging device main body, each pressure sensor and the camera, and comprises a processor, wherein the processor is used for receiving the current parameters sent by the charging device main body and the butt joint pressure parameters sent by the pressure sensors, judging and outputting butt joint state information used for representing the real-time butt joint state of the charging butt joint and the port to be charged according to the current parameters and the butt joint pressure parameters, and simultaneously receiving and storing the video images.
2. The intelligent charging test device of claim 1, wherein a plurality of said pressure probes and a plurality of said pressure sensors are disposed in said pressure detection fixture;
a plurality of detection holes are uniformly formed in the pressure detection clamp, the detection holes are distributed around the periphery of the charging butt joint, and the detection holes correspond to the pressure probes one to one;
the pressure probes are in one-to-one correspondence with the pressure sensors, and the pressure sensors are electrically connected with the corresponding pressure probes through the detection holes.
3. The intelligent charging test device of claim 1, wherein the processor further comprises:
the first storage unit is used for receiving and storing the current parameter and the docking pressure parameter;
the first conversion unit is connected with the first storage unit and is used for converting the current parameters into corresponding current values in real time and outputting the current values;
the second conversion unit is connected with the first storage unit and is used for respectively converting all the docking pressure parameters into corresponding docking pressure values in real time and outputting the docking pressure values;
the tabulation unit is respectively connected with the first conversion unit and the second conversion unit and produces a visual chart according to the current value and the butt joint pressure value and a time axis;
the second storage unit is used for storing a preset standard current value and a standard docking pressure value in a standard docking state;
the first judgment unit is respectively connected with the first conversion unit and the second storage unit, judges whether the current value is consistent with the standard current value in real time and outputs a first judgment result;
a second judging unit respectively connected with the second converting unit and the second storage unit, judging whether all the docking pressure values are consistent with the standard docking pressure value in real time, and outputting a second judging result
The labeling unit is respectively connected with the tabulation unit, the first judgment unit and the second judgment unit, and labels the unmatched current value and/or the unmatched butt pressure value as an abnormal value on the visual chart according to the first judgment result and the second judgment result, and simultaneously outputs a time period corresponding to the abnormal value as labeling information;
and the third storage unit is connected with the marking unit, and is used for extracting the video image in the corresponding time period from the camera and storing the video image according to the marking information.
4. The intelligent charging test device of claim 3, wherein the background host is connected to a display device;
the display device is used for displaying the visual chart and the video image.
5. The intelligent charging test device of claim 1, wherein the charging device body further comprises a dynamic vision component;
the dynamic visual assembly is arranged on the surface of the charging device main body and electrically connected with the mechanical arm, and is used for tracking the position of the port to be charged and controlling the mechanical arm to complete the butt joint of the charging butt joint and the port to be charged.
6. The intelligent charging test device of claim 1, wherein the current sensor is a hall current sensor.
7. The intelligent charging test device of claim 1, wherein the camera is disposed on a movable pan/tilt head;
the camera comprises:
the shooting unit is used for shooting the area where the charging butt joint is located and sending the video image to the background host;
the identification unit is used for identifying and tracking the charging butt joint and outputting a corresponding tracking instruction;
and the control unit is connected with the identification unit and used for controlling the movable holder to move the camera according to the tracking instruction output by the identification unit so as to realize the purpose of tracking and shooting the area where the charging butt joint is located.
8. A testing method is applied to the intelligent charging testing device as claimed in any one of claims 1 to 7, and is characterized in that the intelligent charging testing device comprises a charging device body, a charging butt joint, a pressure detection clamp, a camera and a background host, wherein the charging butt joint is electrically connected with the charging device body;
the charging device main body comprises a current sensor for detecting and obtaining current parameters during charging;
the pressure detection clamp comprises at least one pressure probe and at least one pressure sensor, each pressure sensor is connected with at least one pressure probe, and the pressure sensors are used for detecting and obtaining butt joint pressure parameters output by the pressure probes during charging;
the background host is respectively connected with the charging device main body, each pressure sensor and the camera;
in the charging butt joint test, a port to be charged is preset, and a mechanical arm is adopted to move the charging butt joint and butt joint with the port to be charged;
in a single charge docking test, the test method comprises the following steps:
step S1, moving the charging butt joint through the mechanical arm to butt joint with the port to be charged, and starting charging;
step S2, the camera shoots the area of the charging butt joint in the charging period and outputs a video image;
step S3, the current sensor and the pressure sensor respectively collect and output current parameters and butt joint pressure parameters during charging;
step S4, the background host judges and outputs docking state information used for representing the real-time docking state of the charging docking head and the port to be charged according to the current parameter and the docking pressure parameter, and receives and stores the video image;
wherein the step S2 and the step S3 are performed simultaneously.
9. The test method according to claim 8, wherein in the charging docking test, a standard current value and a standard docking pressure value in a standard docking state are preset;
the step S4 further includes:
step S41, converting the current parameters into corresponding current values in real time and outputting the current values, and simultaneously converting all the docking pressure parameters into corresponding docking pressure values in real time and outputting the docking pressure values;
step S42, according to the current value and the butt joint pressure value, a visual chart is made according to a time axis;
step S43, determining whether the current value and the standard current value are consistent, and determining whether the docking pressure value and the standard docking pressure value are consistent:
if the current value does not meet the standard current value and/or the docking pressure value does not meet the standard docking pressure value, turning to step S44;
if the current value is in accordance with the standard current value and the docking pressure value is in accordance with the standard docking pressure value, outputting the visual chart and ending;
and step S44, labeling the unmatched current values and/or the unmatched docking pressure values as abnormal values on the visual icons, outputting the visual charts with labels, and extracting and storing the video images of the time periods corresponding to the abnormal values from the camera.
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Application publication date: 20200619 |