CN113533855A - Analysis method and analysis system for power conversion cabinet, electronic device and storage medium - Google Patents
Analysis method and analysis system for power conversion cabinet, electronic device and storage medium Download PDFInfo
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- CN113533855A CN113533855A CN202110738541.4A CN202110738541A CN113533855A CN 113533855 A CN113533855 A CN 113533855A CN 202110738541 A CN202110738541 A CN 202110738541A CN 113533855 A CN113533855 A CN 113533855A
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- 238000004590 computer program Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000007689 inspection Methods 0.000 abstract description 7
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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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
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application discloses a battery replacement cabinet analysis method, a battery replacement cabinet analysis system, electronic equipment and a storage medium. According to the method for analyzing the power changing cabinet, the first detection line and the second detection line are respectively led out from the cabinet body connector and the first box body connector, the voltage difference between the two detection lines is tested, the internal resistance is obtained according to the current passing through the two detection lines, the working state of the power changing cabinet is judged according to the actual condition of the internal resistance, the problem which cannot be found by manual inspection can be detected, the working safety of the power changing cabinet is guaranteed, the maintenance cost of the power changing cabinet is reduced, the first detection internal resistance set is obtained by setting the preset first quantity threshold value and detecting the internal resistance for multiple times, the working state of the power changing cabinet can be correctly judged under the condition that false detection occurs, and the judgment accuracy is improved.
Description
Technical Field
The application relates to the technical field of traffic power supply, in particular to a power conversion cabinet analysis method, an analysis system, electronic equipment and a storage medium.
Background
With the increasing prominence of pollution and energy problems, the vigorous development of energy-saving and new-energy electric vehicles is an effective way for solving the energy environment problem. The battery replacement cabinet is used as an infrastructure of the energy service of the electric vehicle, and can meet the increasing and flexible and independent electric energy use requirements of people, so that the battery replacement cabinet is more and more popular with people.
The electricity changing cabinet is equipment for providing rechargeable batteries for users, the appearance of the electricity changing cabinet is similar to that of a storage cabinet, different battery boxes are arranged, each battery box stores one power battery pack, the cabinet is opened through a control cabinet door to complete battery renting, a box body connector of each battery box is connected with a cabinet body connector of the electricity changing cabinet, charging of the battery packs can be achieved, the electric vehicle can use the electricity changing cabinet to achieve self-service battery changing, and the electric vehicle does not need to wait for long-time charging. Because the battery pack is subjected to long-term battery replacement operation, signal wires, charging wires and the like of the box body connector and the cabinet body connector have certain losses or other abnormal conditions, internal resistance and the like are increased, the losses cannot be effectively found during manual periodical inspection, the battery pack is slowly charged, if serious, safety problems can be caused, measures such as regular replacement of cable equipment are taken, and although the problems can be solved, good equipment is also replaced, and the cost is increased.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the power changing cabinet analysis method can judge the working state of the power changing cabinet, guarantees the working safety of the power changing cabinet and reduces the maintenance cost of the power changing cabinet.
The application also provides a trade battery cabinet analytic system.
The application also provides an electronic device.
The present application also provides a computer-readable storage medium.
The power conversion cabinet analysis method is applied to a power conversion cabinet, and the power conversion cabinet comprises the following steps:
a cabinet body connector;
a first case connector;
the first detection line is connected with the cabinet connector;
the second detection line is connected with the first box connector;
the analysis method comprises the following steps:
step S100: acquiring a voltage from the first detection line to obtain a first detection voltage;
step S200: acquiring a voltage from the second detection line to obtain a second detection voltage;
step S300: acquiring current between the first detection line and the second detection line to obtain first detection current;
step S400: obtaining a first detection internal resistance according to the first detection voltage, the second detection voltage and the first detection current;
repeating the steps S100 to S400 according to a plurality of preset time intervals of a preset first time interval to obtain a plurality of first detection internal resistances in the preset first time interval so as to obtain a first detection internal resistance set;
acquiring the number of first detection internal resistances of which the first detection internal resistances are greater than or equal to a preset internal resistance threshold in the first detection internal resistance set to obtain a first abnormal number;
and judging the working state of the power exchange cabinet according to the first abnormal quantity and a preset first abnormal quantity threshold value.
According to the battery replacement cabinet analysis method, the battery replacement cabinet analysis method at least has the following beneficial effects: the first detection line and the second detection line are respectively led out from the cabinet body connector and the first box body connector, the voltage difference between the two detection lines is tested, the internal resistance is obtained according to the current passing through the two detection lines, the working state of the power changing cabinet is judged according to the actual condition of the internal resistance, the problem which cannot be found by manual inspection can be detected, the safety of the work of the power changing cabinet is ensured, and the maintenance cost of the power changing cabinet is reduced. And through setting a preset first quantity threshold value and carrying out internal resistance detection for multiple times, a first internal resistance detection set is obtained, the working state of the power transformation cabinet can be correctly judged under the condition of error detection, and the judgment accuracy is improved.
According to some embodiments of the present application,
the analysis method for judging the working state of the power exchange cabinet according to the first abnormal quantity and a preset first abnormal quantity threshold value comprises the following steps:
if the first abnormal quantity is smaller than the preset first abnormal quantity threshold value, the working state of the power exchange cabinet is a working normal state;
if the first abnormal quantity is larger than or equal to the preset first abnormal quantity threshold value, the working state of the power exchange cabinet is a working abnormal state;
the analysis method further comprises:
and if the working state is the working abnormal state, outputting working abnormal alarm information according to the working abnormal state.
According to some embodiments of the application, the operational exception state comprises: a line contact failure state and a line disconnection state;
the analysis method further comprises:
and if the working state is the abnormal working state, determining that the abnormal working state is the poor line contact state or the line disconnection state according to the first detection internal resistance set, a preset difference threshold value and a preset second abnormal quantity threshold value.
According to some embodiments of the present application, the determining that the abnormal operation state is the line contact failure state or the line disconnection state according to the first detected internal resistance set, the preset difference threshold, and the preset second abnormal number threshold includes:
acquiring a plurality of continuous first detection internal resistances in a preset second time interval in the preset first time interval;
calculating the adjacent difference value of the first detection internal resistance and the first detection internal resistance to obtain a plurality of adjacent internal resistance difference values;
acquiring the number of the adjacent internal resistance difference values larger than the preset difference value threshold value to obtain a second abnormal number;
and if the second abnormal quantity is greater than or equal to the preset second abnormal quantity threshold value, the working abnormal state is the line contact failure state.
According to some embodiments of the present application, the determining that the abnormal operation state is the line contact failure state or the line disconnection state according to the first detected internal resistance set, the preset difference threshold, and the preset second abnormal number threshold further includes:
and if the second abnormal quantity is smaller than the preset second abnormal quantity threshold value, the working abnormal state is the line disconnection state.
According to some embodiments of the present application, the work abnormality warning information includes: line contact failure alarm information and line disconnection alarm information;
the outputting of the abnormal work alarm information according to the abnormal work state includes:
if the abnormal working state is the poor circuit contact state, outputting the poor circuit contact alarm information;
and if the abnormal working state is the line disconnection state, outputting the line disconnection information.
According to some embodiments of the application, the power changing cabinet further comprises:
a second case connector;
a third detection line connected with the second box connector;
the analysis method further comprises:
if the working abnormal state is the line disconnection state, acquiring the voltage of the third detection line to obtain a third detection voltage;
acquiring the voltage of the first detection line at the current time to obtain a fourth detection voltage;
acquiring current between the third detection line and the first detection line to obtain second detection current;
obtaining a second detection internal resistance according to the third detection voltage, the fourth detection voltage and the second detection current;
if the second detected internal resistance is greater than or equal to the preset internal resistance threshold value, the cabinet body connector is in an abnormal working state;
and if the second detected internal resistance is smaller than the preset internal resistance threshold value, the first box connector is in an abnormal working state.
The power conversion cabinet analysis system according to the embodiment of the second aspect of the application is applied to a power conversion cabinet, and the power conversion cabinet comprises:
a cabinet body connector;
a first case connector;
the first detection line is connected with the cabinet connector;
the second detection line is connected with the first box connector;
the analysis system includes:
an acquisition module, configured to acquire a voltage from the first detection line to obtain a first detection voltage;
the acquisition module is further used for acquiring the voltage from the second detection line to obtain a second detection voltage;
the acquisition module is further used for acquiring current between the first detection line and the second detection line to obtain first detection current;
the calculation module is used for obtaining a first detection internal resistance according to the first detection voltage, the second detection voltage and the first detection current;
the processing module is used for repeatedly executing the processes of the acquisition module and the calculation module according to a plurality of preset time intervals of a preset first time interval so as to obtain a plurality of first detection internal resistances in the preset first time interval and obtain a first detection internal resistance set;
the processing module is further used for acquiring the number of first detection internal resistances of the first detection internal resistances in the first detection internal resistance set, wherein the first detection internal resistances are larger than or equal to a preset internal resistance threshold value, so as to obtain an abnormal number;
and the judging module is used for judging the working state of the power exchange cabinet according to the first abnormal quantity and a preset first abnormal quantity threshold value.
According to this application embodiment trade battery case analytic system, have following beneficial effect at least: the first detection line and the second detection line are respectively led out from the cabinet body connector and the first box body connector, the voltage difference between the two detection lines is tested, the internal resistance is obtained according to the current passing through the two detection lines, the working state of the power changing cabinet is judged according to the actual condition of the internal resistance, the problem which cannot be found by manual inspection can be detected, the safety of the work of the power changing cabinet is ensured, and the maintenance cost of the power changing cabinet is reduced. And through setting a preset first quantity threshold value and carrying out internal resistance detection for multiple times, a first internal resistance detection set is obtained, the working state of the power transformation cabinet can be correctly judged under the condition of error detection, and the judgment accuracy is improved.
The electronic device according to the third aspect of the present application includes a memory and a processor, where the memory stores a computer program, and the processor implements the battery swap analysis method according to any one of the first aspect of the present application when executing the computer program.
According to the fourth aspect of the present application, there is provided a computer-readable storage medium storing computer-executable instructions for causing a computer to perform the method for battery swap analysis as described in any one of the embodiments of the first aspect.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
fig. 1 is a schematic structural diagram of a power distribution cabinet according to some embodiments of the present application;
fig. 2 is a flowchart of a swapping cabinet analysis method provided in some embodiments of the present application;
fig. 3 is a flowchart of a swapping cabinet analysis method provided in some embodiments of the present application;
fig. 4 is a flowchart of a swapping cabinet analysis method provided in some embodiments of the present application;
fig. 5 is a flowchart of a swapping cabinet analysis method provided in some embodiments of the present application;
fig. 6 is a flowchart of a swapping cabinet analysis method provided in some embodiments of the present application;
fig. 7 is a flowchart of a swapping cabinet analysis method provided in some embodiments of the present application;
fig. 8 is a flowchart of a swapping cabinet analysis method according to some embodiments of the present application.
Reference numerals: 100. a cabinet body connector; 200. a box connector; 210. a first case connector; 220. a second case connector; 300. a first detection line; 400. a second detection line; 500. a third detection line; 600. an acquisition module; 700. a calculation module; 800. a processing module; 900. and a judging module.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, fig. 1 is a schematic structural diagram of the power exchange cabinet of the present application, each power exchange cabinet is provided with a plurality of battery boxes, each battery box is provided with a power battery pack, and a box connector 200 of each battery box is connected to a cabinet connector 100 of the power exchange cabinet, so that the battery pack can be charged. However, since the battery pack is subjected to the long-term replacement operation, the box body connector 200 of the battery box and the cabinet body connector 100 of the power exchange cabinet are subjected to the long-term insertion and extraction operation, signal lines, charging lines and the like of the box body connector 200 and the cabinet body connector 100 have certain loss or other abnormal conditions occur, and the internal resistance and the like are increased. And these losses can not be effectual discovery when artifical periodic inspection, this application is through drawing forth first detection line 300 and second detection line 400 respectively at first box connector 210 and cabinet body connector 100, tests the voltage difference between two detection lines to obtain the internal resistance according to the electric current that two detection lines pass through, and judge the operating condition of power changing cabinet according to the actual conditions of internal resistance, guaranteed the security of power changing cabinet work, reduced the maintenance cost of power changing cabinet.
In a first aspect, referring to fig. 1 and fig. 2, some embodiments of the present application provide a power changing cabinet analysis method applied to a power changing cabinet, where the power changing cabinet includes: the cabinet connector 100, the first box connector 210, the first detection line 300 and the second detection line 400, wherein the first detection line 300 is connected with the cabinet connector 100, and the second detection line 400 is connected with the first box connector 210.
The battery replacement cabinet analysis method includes, but is not limited to, step S100, step S200, step S300, step S400, step S500, step S600, and step S700.
Step S100: obtaining a voltage from a first detection line to obtain a first detection voltage;
step S200: obtaining a voltage from the second detection line to obtain a second detection voltage;
step S300: obtaining a current between a first detection line and a second detection line to obtain a first detection current;
step S400: obtaining a first detection internal resistance according to the first detection voltage, the second detection voltage and the first detection current;
step S500: repeating the steps S100 to S400 according to a plurality of preset time intervals of a preset first time interval to obtain a plurality of first detection internal resistances in the preset first time interval so as to obtain a first detection internal resistance set;
step S600: acquiring the number of first detection internal resistances of which the first detection internal resistances are greater than or equal to a preset internal resistance threshold in the first detection internal resistance set to obtain a first abnormal number;
step S700: and judging the working state of the power change cabinet according to the first abnormal quantity and a preset first abnormal quantity threshold value.
A first detection line 300 is led out from the cabinet connector 100 for detecting the voltage of the cabinet connector 100 to obtain a first detection voltage, a second detection line 400 is led out from the first box connector 210 for detecting the voltage of the first box connector 210 to obtain a second detection voltage, and the current passing through the first detection line 300 and the second detection line 400 is obtained to obtain a first detection current. And dividing the difference value between the first detection voltage and the second detection voltage by the first detection current to obtain the first detection internal resistance. And repeating the steps to obtain a plurality of first detection internal resistances, wherein the first detection internal resistances are called as a first detection internal resistance set. And judging the working state of the power transformation cabinet according to the relation that the first abnormal quantity is greater than or equal to the preset first abnormal quantity threshold value.
According to the method for analyzing the battery changing cabinet, the first detection line 300 and the second detection line 400 are respectively led out from the cabinet body connector 100 and the first box body connector 210, the voltage difference between the two detection lines is tested, the internal resistance is obtained according to the current passing through the two detection lines, the working state of the battery changing cabinet is judged according to the actual condition of the internal resistance, the problem which cannot be found by manual inspection can be detected, the working safety of the battery changing cabinet is guaranteed, and the maintenance cost of the battery changing cabinet is reduced.
It should be noted that the preset internal resistance threshold value and the preset first number threshold value are preset, and may be set according to historical data or big data.
According to the embodiment of the application, the first quantity threshold value is preset and the internal resistance is detected for multiple times, so that the first internal resistance detection set is obtained, the working state of the power transformation cabinet can be judged correctly under the condition of error detection, and the judgment accuracy is improved.
Referring to fig. 3, in some embodiments of the present application, step S700 includes, but is not limited to, step S710 and step S720.
Step S710: if the first abnormal quantity is smaller than a preset first abnormal quantity threshold value, the working state of the battery replacement cabinet is a working normal state;
step S720: if the first abnormal quantity is larger than or equal to a preset first abnormal quantity threshold value, the working state of the battery replacement cabinet is a working abnormal state.
The battery replacement cabinet analysis method further includes, but is not limited to, step S800.
Step S800: and if the working state is the working abnormal state, outputting working abnormal alarm information according to the working abnormal state.
And when the first abnormal quantity is smaller than a preset first abnormal quantity threshold value, the battery changing cabinet is in a normal working state. Under the condition, the situation that the first detection internal resistance is larger than or equal to the preset internal resistance threshold exists, the probability of false detection is high, and the power transformation cabinet can be judged to be in a normal working state. If the first abnormal quantity is larger than or equal to the preset first abnormal quantity threshold value, the working state of the power change cabinet is in an abnormal working state, even if the situation of false detection is eliminated, a certain quantity of abnormal first detection internal resistance values still exist, the power change cabinet can be judged to be in the abnormal working state, and abnormal working alarm information is output according to the abnormal working state to warn a vehicle owner or a worker.
Referring to fig. 4, in some embodiments of the present application, the operational abnormal state includes: a line contact failure state and a line disconnection state;
the analysis method further includes, but is not limited to, step S900.
Step S900: if the working state is the abnormal working state, determining that the abnormal working state is the poor circuit contact state or the circuit disconnection state according to the first detection internal resistance set, the preset difference threshold and the preset second abnormal quantity threshold.
When the working state of the power transformation cabinet is a working abnormal state, a line contact failure state and a line disconnection state need to be specifically analyzed according to the first detection internal resistance set, the preset difference threshold and the preset second abnormal quantity threshold.
Referring to fig. 5, in some embodiments of the present application, step S900 includes, but is not limited to, step S910, step S920, step S930, step S940, and step S950.
Step S910: acquiring a plurality of continuous first detection internal resistances in a preset second time interval in a preset first time interval;
step S920: calculating the adjacent difference value of the first detection internal resistance and the first detection internal resistance to obtain a plurality of adjacent internal resistance difference values;
step S930: acquiring the number of a plurality of adjacent internal resistance difference values larger than a preset difference threshold value to obtain a second abnormal number;
step S940: if the second abnormal quantity is larger than or equal to a preset second abnormal quantity threshold value, the working abnormal state is a circuit poor contact state;
step S950: and if the second abnormal quantity is smaller than a preset second abnormal quantity threshold value, the working abnormal state is a line disconnection state.
When the line is disconnected it can be considered that: the first detected internal resistance is close to infinity. When the line contact is poor, the first detection internal resistance generally shows a jump change, namely when the line contact is good, the first detection internal resistance is smaller than a preset internal resistance threshold value, and when the line contact is not good, the first detection internal resistance is larger.
The method comprises the steps of obtaining a plurality of continuous first detection internal resistances in a preset second time interval in a preset first time interval, calculating the adjacent difference value of the first detection internal resistances and the first detection internal resistances to obtain a plurality of adjacent internal resistance difference values, and judging the abnormal state of the power transformation cabinet by judging the relation between the number of the adjacent internal resistance difference values larger than a preset difference value threshold value and a preset second abnormal number threshold value. If the second abnormal number is greater than or equal to the preset second abnormal number threshold, namely, the possible false detection condition is eliminated, the first detection internal resistance presents jumpy change, and the working abnormal state can be considered as the line contact failure state. And the second abnormal quantity is less, the condition that the first detection internal resistance in the first detection internal resistance set is larger than the preset internal resistance threshold value is large, and the working abnormal state can be determined as a circuit disconnection state.
Through setting up like this, can the particular analysis obtain the abnormal state of changing electricity the cabinet, provide convenience for staff's maintenance.
Referring to fig. 6, in some embodiments of the present application, the work abnormality warning information includes: the alarm information of bad contact of the circuit and the alarm information of disconnection of the circuit.
The step "output operation abnormality warning information according to operation abnormality state" includes, but is not limited to, step S810 and step S820.
Step S810: if the working abnormal state is a circuit poor contact state, outputting circuit poor contact alarm information;
step S820: and if the abnormal working state is the line disconnection state, outputting line disconnection information.
When the working state is the abnormal working state, the battery replacement cabinet outputs abnormal working alarm information to the background server system so as to remind workers to perform related processing. Trade the electric cabinet and still can be through the scintillation of different lights or corresponding pronunciation warning output warning information to the warning car owner need not operate, waits for the staff to handle.
Through setting up like this, the security of the cabinet of changing electricity has further been improved.
Referring to fig. 1 and 7, in some embodiments of the present application, the battery swapping cabinet further includes: a second case connector 220 and a third sensing wire 500, the third sensing wire 500 being connected to the second case connector 220.
The analysis method further includes, but is not limited to, step S1000, step S1100, step S1200, step S1300, step S1400, and step S1500.
Step S1000: if the working abnormal state is a line disconnection state, acquiring the voltage of a third detection line to obtain a third detection voltage;
step S1100: acquiring the voltage of the first detection line at the current time to obtain a fourth detection voltage;
step S1200: obtaining a current between a third detection line and the first detection line to obtain a second detection current;
step S1300: obtaining a second detection internal resistance according to the third detection voltage, the fourth detection voltage and the second detection current;
step S1400: if the second detected internal resistance is greater than or equal to the preset internal resistance threshold value, the cabinet body connector is in an abnormal working state;
step S1500: and if the second detected internal resistance is smaller than the preset internal resistance threshold value, the first box connector is in an abnormal working state.
When the working abnormal state is the line disconnection state, the voltage of the third detection line 500 is obtained to obtain a third detection voltage, the voltage of the first detection line 300 at the current time is obtained to obtain a fourth detection voltage, the current between the third detection line 500 and the first detection line 300 is obtained to obtain a second detection current, and a second detection internal resistance is obtained according to the third detection voltage, the fourth detection voltage and the second detection current. If the second detected internal resistance is greater than or equal to the preset internal resistance threshold, the cabinet connector 100 is in an abnormal working state, and if the second detected internal resistance is less than the preset internal resistance threshold, the first box connector 210 is in an abnormal working state.
When the abnormal operation state is the line disconnection state, it is necessary to determine whether the cabinet connector 100 has a problem or the first box connector 210 has a problem. Because the plurality of box connectors 200 are provided, it is only necessary to determine whether the cabinet connector 100 has a problem or the first box connector 210 has a problem by determining the magnitude of the second detected internal resistance between the cabinet connector 100 and the second box connector 220, and if the second detected internal resistance is greater than or equal to the preset internal resistance threshold, the cabinet connector 100 is in an abnormal working state, and if the second detected internal resistance is less than the preset internal resistance threshold, the first box connector 210 is in an abnormal working state.
Through setting up like this, the reason of the analysis work exception provides certain foundation for staff's maintenance, and the staff of being convenient for maintains, simultaneously, also can not be under the condition of not knowing prop physical reason, totally trade cabinet body connector 100 and box connector 200, the cost is reduced.
In a second aspect, referring to fig. 1 and 8, some embodiments of the present application provide an analysis system for a battery replacement cabinet, which is applied to the battery replacement cabinet, and the battery replacement cabinet includes: the cabinet connector 100, the first box connector 210, the first detection line 300 and the second detection line 400, wherein the first detection line 300 is connected with the cabinet connector 100, and the second detection line 400 is connected with the first box connector 210.
Trade battery jar analytic system includes: an acquisition module 600, a calculation module 700, a processing module 800 and a determination module 900.
The obtaining module 600 is configured to obtain a voltage from a first detection line to obtain a first detection voltage; the obtaining module 600 is further configured to obtain a voltage from the second detection line to obtain a second detection voltage; the obtaining module 600 is further configured to obtain a current between the first detecting line and the second detecting line to obtain a first detecting current.
The calculating module 700 is configured to obtain a first detected internal resistance according to the first detected voltage, the second detected voltage, and the first detected current.
The processing module 800 is configured to repeatedly execute the processes of the obtaining module and the calculating module according to a plurality of preset time intervals of a preset first time interval to obtain a plurality of first detected internal resistances in the preset first time interval, so as to obtain a first detected internal resistance set; the processing module 800 is further configured to obtain a number of first detected internal resistances in the first detected internal resistance set, where the first detected internal resistance is greater than or equal to a preset internal resistance threshold, so as to obtain a first abnormal number.
The determining module 900 is configured to determine a working state of the power transformation cabinet according to the first abnormal quantity and a preset first abnormal quantity threshold.
A first detection line 300 is led out from the cabinet connector 100 for detecting the voltage of the cabinet connector 100 to obtain a first detection voltage, a second detection line 400 is led out from the first box connector 210 for detecting the voltage of the first box connector 210 to obtain a second detection voltage, and the current passing through the first detection line 300 and the second detection line 400 is obtained to obtain a first detection current. And dividing the difference value between the first detection voltage and the second detection voltage by the first detection current to obtain the first detection internal resistance. And repeating the steps to obtain a plurality of first detection internal resistances, wherein the first detection internal resistances are called as a first detection internal resistance set. And judging the working state of the power transformation cabinet according to the relation that the first abnormal quantity is greater than or equal to the preset first abnormal quantity threshold value, if the first abnormal quantity is greater than or equal to the preset first abnormal quantity threshold value, the working state of the power transformation cabinet is in an abnormal working state, and outputting abnormal working alarm information according to the abnormal working state.
According to the method for analyzing the battery changing cabinet, the first detection line 300 and the second detection line 400 are respectively led out from the cabinet body connector 100 and the first box body connector 210, the voltage difference between the two detection lines is tested, the internal resistance is obtained according to the current passing through the two detection lines, the working state of the battery changing cabinet is judged according to the actual condition of the internal resistance, the problem which cannot be found by manual inspection can be detected, the working safety of the battery changing cabinet is guaranteed, and the maintenance cost of the battery changing cabinet is reduced. The first internal resistance detection set is obtained by presetting the first quantity threshold value and detecting the internal resistance for multiple times, so that the working state of the power transformation cabinet can be correctly judged under the condition of error detection, and the judgment accuracy is improved.
The analysis process of the battery replacement cabinet analysis system is similar to the battery replacement cabinet analysis method, and the specific analysis process refers to the battery replacement cabinet analysis method, which is not described herein again.
In a third aspect, an embodiment of the present application further provides an electronic device.
In some embodiments, an electronic device includes: at least one processor, and a memory communicatively coupled to the at least one processor; the storage stores instructions, and the instructions are executed by the at least one processor, so that when the at least one processor executes the instructions, the battery changing cabinet analysis method in any embodiment of the application is realized.
The processor and memory may be connected by a bus or other means.
The memory, as a non-transitory computer-readable storage medium, may be used to store a non-transitory software program and a non-transitory computer-executable program, such as the battery swapping analysis method described in the embodiments of the present application. The processor executes the non-transient software program and the instructions stored in the memory, so that the battery changing cabinet analysis method is realized.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area can store and execute the battery replacement cabinet analysis method. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and these remote memories may be connected to the processor through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Non-transitory software programs and instructions required to implement the above-described battery swap analysis method are stored in a memory, and when executed by one or more processors, perform the above-mentioned battery swap analysis method in the first embodiment of the present invention.
In a fourth aspect, the present application further provides a computer-readable storage medium.
In some embodiments, the computer-readable storage medium stores computer-executable instructions for performing the method for battery swap analysis mentioned in the embodiments of the first aspect.
In some embodiments, the storage medium stores computer-executable instructions that, when executed by one or more control processors, for example, by a processor in the electronic device, cause the one or more processors to perform the battery swap analysis method.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The battery replacement cabinet analysis method is characterized by being applied to a battery replacement cabinet, and the battery replacement cabinet comprises the following steps:
a cabinet body connector;
a first case connector;
the first detection line is connected with the cabinet connector;
the second detection line is connected with the first box connector;
the analysis method comprises the following steps:
step S100: acquiring a voltage from the first detection line to obtain a first detection voltage;
step S200: acquiring a voltage from the second detection line to obtain a second detection voltage;
step S300: acquiring current between the first detection line and the second detection line to obtain first detection current;
step S400: obtaining a first detection internal resistance according to the first detection voltage, the second detection voltage and the first detection current;
repeating the steps S100 to S400 according to a plurality of preset time intervals of a preset first time interval to obtain a plurality of first detection internal resistances in the preset first time interval so as to obtain a first detection internal resistance set;
acquiring the number of first detection internal resistances of which the first detection internal resistances are greater than or equal to a preset internal resistance threshold in the first detection internal resistance set to obtain a first abnormal number;
and judging the working state of the power exchange cabinet according to the first abnormal quantity and a preset first abnormal quantity threshold value.
2. The analysis method according to claim 1, wherein the determining the working state of the power transformation cabinet according to the first abnormal number and a preset first abnormal number threshold comprises:
if the first abnormal quantity is smaller than the preset first abnormal quantity threshold value, the working state of the power exchange cabinet is a working normal state;
if the first abnormal quantity is larger than or equal to the preset first abnormal quantity threshold value, the working state of the power exchange cabinet is a working abnormal state;
the analysis method further comprises:
and if the working state is the working abnormal state, outputting working abnormal alarm information according to the working abnormal state.
3. The analytical method of claim 2, wherein the operational anomaly status comprises: a line contact failure state and a line disconnection state;
the analysis method further comprises:
and if the working state is the abnormal working state, determining that the abnormal working state is the poor line contact state or the line disconnection state according to the first detection internal resistance set, a preset difference threshold value and a preset second abnormal quantity threshold value.
4. The analysis method according to claim 3, wherein the determining that the operation abnormal state is the line poor contact state or the line disconnection state according to the first detected internal resistance set, a preset difference threshold value and a preset second abnormal number threshold value comprises:
acquiring a plurality of continuous first detection internal resistances in a preset second time interval in the preset first time interval;
calculating the adjacent difference value of the first detection internal resistance and the first detection internal resistance to obtain a plurality of adjacent internal resistance difference values;
acquiring the number of the adjacent internal resistance difference values larger than the preset difference value threshold value to obtain a second abnormal number;
and if the second abnormal quantity is greater than or equal to the preset second abnormal quantity threshold value, the working abnormal state is the line contact failure state.
5. The analysis method according to claim 4, wherein the determining the operation abnormal state as the line contact failure state or the line disconnection state according to the first detected internal resistance set, a preset difference threshold value, and a preset second abnormality number threshold value further comprises:
and if the second abnormal quantity is smaller than the preset second abnormal quantity threshold value, the working abnormal state is the line disconnection state.
6. The analysis method according to any one of claims 3 to 5, characterized in that the work abnormality warning information includes: line contact failure alarm information and line disconnection alarm information;
the outputting of the abnormal work alarm information according to the abnormal work state includes:
if the abnormal working state is the poor circuit contact state, outputting the poor circuit contact alarm information;
and if the abnormal working state is the line disconnection state, outputting the line disconnection information.
7. The analytical method of claim 6, wherein the power change cabinet further comprises:
a second case connector;
a third detection line connected with the second box connector;
the analysis method further comprises:
if the working abnormal state is the line disconnection state, acquiring the voltage of the third detection line to obtain a third detection voltage;
acquiring the voltage of the first detection line at the current time to obtain a fourth detection voltage;
acquiring current between the third detection line and the first detection line to obtain second detection current;
obtaining a second detection internal resistance according to the third detection voltage, the fourth detection voltage and the second detection current;
if the second detected internal resistance is greater than or equal to the preset internal resistance threshold value, the cabinet body connector is in an abnormal working state;
and if the second detected internal resistance is smaller than the preset internal resistance threshold value, the first box connector is in an abnormal working state.
8. Trade electric cabinet analytic system, its characterized in that trades the electric cabinet, trade the electric cabinet and include:
a cabinet body connector;
a first case connector;
the first detection line is connected with the cabinet connector;
the second detection line is connected with the first box connector;
the analysis system includes:
an acquisition module, configured to acquire a voltage from the first detection line to obtain a first detection voltage;
the acquisition module is further used for acquiring the voltage from the second detection line to obtain a second detection voltage;
the acquisition module is further used for acquiring current between the first detection line and the second detection line to obtain first detection current;
the calculation module is used for obtaining a first detection internal resistance according to the first detection voltage, the second detection voltage and the first detection current;
the processing module is used for repeatedly executing the processes of the acquisition module and the calculation module according to a plurality of preset time intervals of a preset first time interval so as to obtain a plurality of first detection internal resistances in the preset first time interval and obtain a first detection internal resistance set;
the processing module is further used for acquiring the number of first detection internal resistances of the first detection internal resistances in the first detection internal resistance set, wherein the first detection internal resistances are larger than or equal to a preset internal resistance threshold value, so as to obtain a first abnormal number;
and the judging module is used for judging the working state of the power exchange cabinet according to the first abnormal quantity and a preset first abnormal quantity threshold value.
9. Electronic equipment, characterized by comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the battery changing cabinet analysis method according to any one of claims 1 to 7 when executing the computer program.
10. Computer-readable storage media, characterized in that the computer-readable storage media stores computer-executable instructions for causing a computer to perform the method of battery swap analysis according to any one of claims 1-7.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114463957A (en) * | 2022-02-21 | 2022-05-10 | 武汉小安科技有限公司 | Fault diagnosis method and device for power exchange cabinet, electronic equipment and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363895A (en) * | 2008-09-27 | 2009-02-11 | 河南电力试验研究院 | Method and system for detecting DC loop fault |
| CN105092977A (en) * | 2015-06-05 | 2015-11-25 | 郑贵林 | Storage battery internal resistance measuring method and circuit, health status detection method and system |
| CN207320872U (en) * | 2017-09-07 | 2018-05-04 | 郭丹 | A kind of intelligence charging and conversion electric cabinet system |
| CN109347176A (en) * | 2018-11-27 | 2019-02-15 | 深圳市智锂能源科技有限公司 | A kind of concentration electric charging cabinet safety management system |
| CN111413546A (en) * | 2020-04-07 | 2020-07-14 | 宁波市重强电器有限公司 | Contact resistance analysis method of electric connector |
| CN212447153U (en) * | 2020-05-28 | 2021-02-02 | 三一专用汽车有限责任公司 | Charging cabinet |
| CN112440813A (en) * | 2020-11-13 | 2021-03-05 | 深圳市比特安科技有限公司 | Method for judging whether charging wire is successfully connected during battery replacement |
| CN113295991A (en) * | 2021-04-08 | 2021-08-24 | 国网浙江省电力有限公司台州供电公司 | Fault analysis method and device based on high-voltage circuit breaker control loop impedance |
-
2021
- 2021-06-30 CN CN202110738541.4A patent/CN113533855B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363895A (en) * | 2008-09-27 | 2009-02-11 | 河南电力试验研究院 | Method and system for detecting DC loop fault |
| CN105092977A (en) * | 2015-06-05 | 2015-11-25 | 郑贵林 | Storage battery internal resistance measuring method and circuit, health status detection method and system |
| CN207320872U (en) * | 2017-09-07 | 2018-05-04 | 郭丹 | A kind of intelligence charging and conversion electric cabinet system |
| CN109347176A (en) * | 2018-11-27 | 2019-02-15 | 深圳市智锂能源科技有限公司 | A kind of concentration electric charging cabinet safety management system |
| CN111413546A (en) * | 2020-04-07 | 2020-07-14 | 宁波市重强电器有限公司 | Contact resistance analysis method of electric connector |
| CN212447153U (en) * | 2020-05-28 | 2021-02-02 | 三一专用汽车有限责任公司 | Charging cabinet |
| CN112440813A (en) * | 2020-11-13 | 2021-03-05 | 深圳市比特安科技有限公司 | Method for judging whether charging wire is successfully connected during battery replacement |
| CN113295991A (en) * | 2021-04-08 | 2021-08-24 | 国网浙江省电力有限公司台州供电公司 | Fault analysis method and device based on high-voltage circuit breaker control loop impedance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114463957A (en) * | 2022-02-21 | 2022-05-10 | 武汉小安科技有限公司 | Fault diagnosis method and device for power exchange cabinet, electronic equipment and storage medium |
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