CN110598876A - Fault monitoring method and device, storage medium and electronic equipment - Google Patents
Fault monitoring method and device, storage medium and electronic equipment Download PDFInfo
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Abstract
The embodiment of the invention provides a fault monitoring method, a fault monitoring device, a storage medium and electronic equipment, wherein the fault monitoring method comprises the following steps: acquiring a state message of a direct current charging device of an electric vehicle, wherein the state message comprises charging device state parameter information; when the state message comprises fault alarm information, generating a fault solution according to the alarm information; acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel; and sending an operation and maintenance work order to the selected operation and maintenance personnel terminal, wherein the operation and maintenance work order comprises the position information of the charging device to be maintained. The direct current charging device of the electric vehicle can quickly respond after the direct current charging device of the electric vehicle breaks down and generate a fault solution, and efficient and quick maintenance of the direct current charging device of the electric vehicle is guaranteed.
Description
Technical Field
The present invention relates to the field of charging, and in particular, to a method and an apparatus for monitoring a fault, a storage medium, and an electronic device.
Background
Along with the gradual promotion of new forms of energy process, new forms of energy electricelectric motor car quantity increases fast, and the convenient demand of charging of electric motor car user becomes very urgent, fills electric pile owing to can provide a high-efficient quick charge mode, is a better charge mode relatively in the great region of user's volume, and then has urged the high-speed increase of filling electric pile quantity to take place too.
Along with fill electric pile lay quantity rapid growth and lay the quick expansion of scope, in filling electric pile fortune dimension work, if fill electric pile and break down, generally need the user to report repair or the fortune dimension personnel is investigated and examined the back by oneself, nevertheless fortune dimension personnel are investigated and examined one by one and have become unrealistic, the user reports repair and not only has influenced user's use and has experienced also unable accurate providing and report repair information, the operation unit is not clear to the trouble master, unable in time repair maintenance, maintenance efficiency is low, easily lead to the electric pile trouble stake quantity in the short time to increase sharply. Not only can bring great economic loss for operation unit, has brought difficult to use and potential safety hazard for vast charging user simultaneously.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a fault monitoring method and apparatus, a storage medium, and an electronic device, which can implement quick response and generate a fault solution after a fault occurs in a dc charging apparatus of an electric vehicle, and ensure that the dc charging apparatus of the electric vehicle is efficiently and quickly maintained.
In order to achieve the above object, in a first aspect, an embodiment of the present invention provides a method for monitoring a fault of an electric vehicle dc charging device, where the method is used for a server, and the method includes:
acquiring a state message of a direct current charging device of an electric vehicle, wherein the state message comprises charging device state parameter information;
when the state information comprises fault alarm information, generating a fault solution according to the alarm information, wherein the fault solution comprises a charging device operation and maintenance scheme, and the charging device operation and maintenance scheme and the charging device state parameter information have a preset corresponding relation;
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel;
and sending an operation and maintenance work order to the selected operation and maintenance personnel terminal, wherein the operation and maintenance work order comprises the position information of the charging device to be maintained.
According to the fault monitoring method for the electric vehicle direct-current charging device, the state parameter information of the charging device can be monitored, the fault position and the type of the electric vehicle charging device can be found and located in time after the fault warning message of the charging device is received, a corresponding fault solution can be generated rapidly, the operation and maintenance information of operation and maintenance personnel can be obtained, appropriate operation and maintenance personnel can be selected according to the operation and maintenance information of the operation and maintenance personnel, an operation and maintenance work order is sent, and the operation and maintenance personnel can maintain the charging device to be maintained quickly, accurately and efficiently. The trouble-free operation time of the charging station is improved, the risk that the user cannot normally use due to the faults of the charging device is reduced, the personnel selection requirements of enterprises of the charging device are met, and the working efficiency of operation and maintenance staff is improved.
In a second aspect, an embodiment of the present invention provides a fault monitoring apparatus for a dc charging apparatus of a direct current electric vehicle, where the fault monitoring apparatus is used for a server, and the fault monitoring apparatus includes:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a state message of the direct current charging device of the electric vehicle, and the state message comprises charging device state parameter information;
the judging unit is used for generating a fault solution according to the alarm information when the state information comprises fault alarm information, wherein the fault solution comprises a charging device operation and maintenance scheme, and the charging device operation and maintenance scheme and the charging device state parameter information have a preset corresponding relation;
the analysis unit is used for acquiring operation and maintenance information of operation and maintenance personnel and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel;
and the sending unit is used for sending an operation and maintenance work order to the selected operation and maintenance personnel terminal, and the operation and maintenance work order comprises the position information of the charging device to be maintained.
The electric vehicle direct current charging device fault monitoring device method provided by the second aspect can monitor state parameter information of the charging device, timely discover and locate fault positions and types of the electric vehicle charging device after receiving fault warning information of the charging device, rapidly generate corresponding fault solution, acquire operation and maintenance information of operation and maintenance personnel, select proper operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel, and send an operation and maintenance work order, so that the operation and maintenance personnel can quickly, accurately and efficiently maintain the charging device to be maintained. The trouble-free operation time of the charging station is improved, the risk that the user cannot normally use due to the faults of the charging device is reduced, the personnel selection requirements of enterprises of the charging device are met, and the working efficiency of operation and maintenance staff is improved.
In a third aspect, embodiments of the present invention provide an electronic device, which may include a processor and a memory;
the memory may be configured to store executable program code;
the processor may be configured to read executable program code stored in the memory to perform the fault monitoring method provided by the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, which may include instructions that, when executed on a computer, cause the computer to perform the fault monitoring method provided in the first aspect.
In a fifth aspect, an embodiment of the present invention provides a computer program product containing instructions, which when run on a computer, causes the computer to execute the fault monitoring method provided in the first aspect.
In a sixth aspect, an embodiment of the present invention provides a computer program, which, when running on a computer, causes the computer to execute the fault monitoring method provided in the first aspect.
Compared with the prior art, in the scheme of the fault monitoring method, the fault monitoring device, the storage medium and the electronic equipment, provided by the embodiment of the invention, the state parameter information of the charging device can be monitored, the fault position and the type of the charging device of the electric vehicle can be timely found and positioned after the fault warning message of the charging device is received, the corresponding fault solution scheme can be rapidly generated, the operation and maintenance information of the operation and maintenance personnel can be obtained, the appropriate operation and maintenance personnel can be selected according to the operation and maintenance information of the operation and maintenance personnel, and the operation and maintenance work order is sent, so that the operation and maintenance personnel can rapidly, accurately and efficiently maintain the charging device to be maintained. The trouble-free operation time of the charging station is improved, the risk that the user cannot normally use due to the faults of the charging device is reduced, the personnel selection requirements of enterprises of the charging device are met, and the working efficiency of operation and maintenance staff is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart diagram of a fault monitoring method provided by one embodiment of the present invention;
FIG. 2 is a schematic block diagram of a contact detection circuit provided in one embodiment of the present invention;
FIG. 3 is a schematic block diagram of a contact detection circuit provided in accordance with another embodiment of the present invention;
fig. 4 is a schematic block diagram of a fault monitoring apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural block diagram of an electronic device according to an embodiment of 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.
Fig. 1 is a schematic flow chart of a fault monitoring method according to an embodiment of the present invention, as shown in fig. 1,
a method of electric vehicle dc charging device fault monitoring for a server, the method comprising: s110 to S140:
s110, acquiring a state message of the direct current charging device of the electric vehicle, wherein the state message comprises charging device state parameter information;
s120, when the state information comprises fault alarm information, generating a fault solution according to the alarm information, wherein the fault solution comprises a charging device operation and maintenance scheme, and the charging device operation and maintenance scheme and the charging device state parameter information have a preset corresponding relation;
s130, acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel;
and S140, sending an operation and maintenance work order to the selected operation and maintenance personnel terminal, wherein the operation and maintenance work order comprises the position information of the charging device to be maintained.
The electric vehicle dc charging device may be any device capable of dc charging an electric vehicle, such as a charging pile, but is not limited to the specific form of the charging device.
The server may be configured in a monitoring platform or a dispatching platform of the electric vehicle dc charging device fault monitoring system, which is not limited herein. The fault monitoring system for the direct-current charging device of the electric vehicle is also provided with a plurality of operation and maintenance personnel terminals, and the monitoring platform, the dispatching platform, the operation and maintenance personnel terminals and the charging device are interacted in the system to complete operation and maintenance work of the charging device.
The charging state parameter may be various state parameters of the charging device when the charging device provides charging for the electric vehicle, or may be various state parameters capable of representing the health degree of the charging device when the charging device is in a standby state.
In some examples, a charging device operation and maintenance scheme may be configured in the server to have a preset correspondence with the charging device state parameter information, where the correspondence may be obtained according to past operation and maintenance empirical data; the method can also be generated based on the current charging device state parameter information after a neural network is constructed and training is performed according to a large amount of sample data.
In some examples, after the operation and maintenance personnel arrive and wait to maintain charging device and the maintenance is accomplished, can gather maintenance process data feedback to the server through the APP on the operation and maintenance personnel terminal, generate the maintenance record, carry out charging device's fault tracking, facilitate for subsequent operation and maintenance work.
Compared with the prior art, the fault monitoring method provided by the embodiment of the invention can monitor the state parameter information of the charging device, timely discover and locate the fault position and type of the charging device of the electric vehicle after receiving the fault warning message of the charging device, quickly generate a corresponding fault solution, acquire the operation and maintenance information of the operation and maintenance personnel, select the appropriate operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel, and send the operation and maintenance work order, so that the operation and maintenance personnel can quickly, accurately and efficiently maintain the charging device to be maintained. The trouble-free operation time of the charging station is improved, the risk that the user cannot normally use due to the faults of the charging device is reduced, the personnel selection requirements of enterprises of the charging device are met, and the working efficiency of operation and maintenance staff is improved.
In some examples, the charging device operation and maintenance work order includes: maintenance schedule and required spare part information.
In some examples, the operation and maintenance information of the operation and maintenance personnel includes location information and/or work order operation state information of the operation and maintenance personnel, the step of obtaining the operation and maintenance information of the operation and maintenance personnel and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel includes at least one of:
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel within a preset range from the charging device to be maintained according to the position information of the operation and maintenance personnel;
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel in an idle state or with short remaining time of unfinished work orders according to the work order operation state information of the operation and maintenance personnel;
and acquiring operation and maintenance information of the operation and maintenance personnel, and selecting the operation and maintenance personnel according to the position information of the operation and maintenance personnel and the work order operation state information.
Under the condition that the distance between the operation and maintenance personnel and the operation and maintenance personnel in the preset range of the charging device to be maintained is selected according to the position information of the operation and maintenance personnel, the operation and maintenance personnel can be selected according to the current distance between the operation and maintenance personnel and the charging device to be maintained, for example, the operation and maintenance personnel with the distance between the operation and maintenance personnel and the charging device to be maintained within the range of 2 kilometers can be selected.
And under the condition that the operation and maintenance personnel in idle or with shorter remained time of the unfinished work order are selected according to the work order operation state information of the operation and maintenance personnel, for example, when no operation and maintenance personnel in idle state exists, the operation and maintenance personnel with shorter remained time of the unfinished work order can be selected. For example, if the remaining time of the operation and maintenance staff a for not completing the work order is 30 minutes, the remaining time of the operation and maintenance staff B for not completing the work order is 10 minutes, and the remaining time of the operation and maintenance staff C for not completing the work order is 55 minutes, the operation and maintenance staff B may be selected.
Under the condition that the operation and maintenance personnel are selected according to the position information and the work order operation state information of the operation and maintenance personnel, the required time can be converted according to the current distance between the operation and maintenance personnel and the charging device to be maintained, the remaining time of the unfinished work order in the work order operation state information of the operation and maintenance personnel is combined, and the time that the operation and maintenance personnel can reach the charging device to be maintained to perform maintenance work is comprehensively compared to select the operation and maintenance personnel.
In some examples, the above fault monitoring method may further include determining a current usage status of the electric vehicle dc charging device;
when the direct current charging device of the electric vehicle is judged to be in an idle state currently, a contact detection instruction is generated and sent to the charging device, so that a contact detection circuit in the charging device generates detection current, the detection current flows into a relay contact of the charging device and collects voltage of an output end of the detection current, resistance values of the relay contact are obtained according to the detection current and the voltage of the output end of the detection current, and fault conditions of the relay contact of the charging device are judged according to the resistance values of the relay contact.
In some examples, the contact detection circuit may include
And the contact detection circuit is connected with two ends of a relay contact of the charging device and used for generating detection current and acquiring the voltage of the detection current output end so as to obtain the resistance value of the relay contact and judge the fault condition of the relay contact of the charging device according to the resistance value of the relay contact.
Through the detection circuit arranged in the detection circuit, the physical parameters of the key part health degree of the electric vehicle direct-current charging device which can indirectly react and is convenient to detect can be automatically detected, the fault condition of the electric vehicle direct-current charging device can be automatically detected when the electric vehicle charging device is idle, and the fault position and the type of the electric vehicle charging device can be timely found and positioned.
As shown in fig. 2, in some examples, the contact detection circuit 100 may include: a detection current generation unit 110 and a voltage detection unit 120,
wherein the detection current generation unit 110 is connected to both ends of the charging device relay contact 410, and is configured to generate a detection current such that the detection current flows into the charging device relay contact 410,
the voltage collecting unit 120 is connected to the detection current generating unit 110, and is configured to collect a voltage at the detection current output terminal.
In some cases, the contact adhesion of the relay 400 in the charging device of the electric vehicle easily causes the voltage of the charging device to directly pass through the charging connection assembly directly connected with the electric vehicle, so that the output of the charging connection assembly is easily uncontrolled, and the operation risk and the potential safety hazard of the charging device are greatly increased.
The contact point detection circuit is arranged in the relay, and the resistance value of the loop is calculated by measuring the voltage generated after the detection current flows through the contact point of the relay, so that the contact point contact resistance is characterized. The fault condition of the electric vehicle direct-current charging device can be automatically detected when the electric vehicle charging device is idle, and the fault position and type of the electric vehicle charging device can be timely found and positioned.
In some examples, as shown in fig. 3. The above fault diagnosis circuit may further include:
a one-way conduction element connected in series between the detection current generation unit and the charging device relay contact through which the detection current can flow.
Through setting up above-mentioned single conduction element, effectively avoid relay current to flow in above-mentioned detection current generating element, cause the damage of above-mentioned detection current generating element. In some examples, the single-phase conducting element may be a high-voltage non-return diode.
To facilitate the collection of the appropriate voltage value by the voltage collection unit 120, in some examples, the fault diagnosis circuit may further include: a sampling resistor connected in series between the detection current generation unit and the charging device relay contact.
In some examples, the detection current is a constant current signal set according to the type and parameters of the charging device relay to be detected.
In some examples, the determining the fault condition of the charging device relay contact according to the resistance value of the relay contact includes:
when the relay is in a disconnected state and the resistance value of the relay contact is smaller than a first preset relay contact resistance value threshold value, judging that the relay contact is adhered;
and when the relay is in a disconnected state and the resistance value of the relay contact is greater than a first preset relay contact resistance value threshold value, judging that the relay contact is normal.
In some examples, the determining the fault condition of the charging device relay contact according to the resistance value of the relay contact further includes:
if the relay contact is judged to be normal, generating and sending a relay closing signal, and continuously obtaining the resistance value of the relay contact according to the detection current and the voltage of the detection current output end;
and when the resistance value of the relay contact is larger than a second preset relay contact resistance value threshold value, judging that foreign matters exist between the relay contacts or oxidation occurs.
In some examples, the charging device displays and/or transmits the fault warning information to a server in the electric vehicle dc charging device after generating the fault warning information, wherein the fault warning information may include one or more of an identity, a location identity, a fault location, and a fault type of the electric vehicle dc charging device.
In some examples, the fault warning information may be sent to the server, and may be sent directly to the server by the controller of the fault diagnosis device, or may be forwarded to the server by the main controller of the charging device. After the information is sent to the server, the operation and maintenance personnel can log in the operation and maintenance personnel terminal to check, or receive the alarm information sent by the server to obtain one or more than two of the identity identification, the position identification, the fault position and the fault type of the direct current charging device of the electric vehicle. So as to facilitate the quick overhaul of the charging device.
In some examples, the fault warning information may also be displayed in the charging device to prompt a user of a state of the charging device, so as to avoid potential safety hazards caused by misuse of the user.
It is noted that, in the present disclosure, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The fault monitoring method according to the embodiment of the present invention is described in detail above with reference to fig. 1 to 3, and the fault monitoring apparatus and the electronic device according to the embodiment of the present invention are described in detail below with reference to fig. 4 and 5.
Fig. 4 is a schematic structural block diagram of a fault monitoring apparatus according to an embodiment of the present invention. As shown in fig. 4, an electric vehicle dc charging device failure monitoring device 3100 for a server, the failure monitoring device includes:
3110 an obtaining unit configured to obtain a status message of a direct current charging apparatus of an electric vehicle, the status message including charging apparatus status parameter information;
3120 a determining unit, configured to generate a fault solution according to the warning information when the status message includes fault warning information, where the fault solution includes a charging device operation and maintenance scheme, and the charging device operation and maintenance scheme has a preset correspondence with the charging device status parameter information;
3130 an analysis unit, configured to obtain operation and maintenance information of an operation and maintenance worker, and select the operation and maintenance worker according to the operation and maintenance information of the operation and maintenance worker;
3140 and a sending unit, configured to send an operation and maintenance work order to the selected operation and maintenance personnel terminal, where the operation and maintenance work order includes location information of the charging device to be maintained.
Compared with the prior art, the fault monitoring device provided by the embodiment of the invention can monitor the state parameter information of the charging device, timely discover and locate the fault position and type of the charging device of the electric vehicle after receiving the fault warning message of the charging device, quickly generate a corresponding fault solution, acquire the operation and maintenance information of the operation and maintenance personnel, select the appropriate operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel, and send the operation and maintenance work order, so that the operation and maintenance personnel can quickly, accurately and efficiently maintain the charging device to be maintained. The trouble-free operation time of the charging station is improved, the risk that the user cannot normally use due to the faults of the charging device is reduced, the personnel selection requirements of enterprises of the charging device are met, and the working efficiency of operation and maintenance staff is improved.
In some examples, the charging device operation and maintenance work order includes: maintenance schedule and required spare part information.
In some examples, the operation and maintenance information of the operation and maintenance personnel includes location information and/or work order job status information of the operation and maintenance personnel, and the analysis unit is configured to include at least one of:
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel within a preset range from the charging device to be maintained according to the position information of the operation and maintenance personnel;
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel in an idle state or with short remaining time of unfinished work orders according to the work order operation state information of the operation and maintenance personnel;
and acquiring operation and maintenance information of the operation and maintenance personnel, and selecting the operation and maintenance personnel according to the position information of the operation and maintenance personnel and the work order operation state information.
Fig. 5 is a schematic structural block diagram of an electronic device according to still another embodiment of the present invention. As shown in fig. 5, at least a part of the above-described failure diagnosis method and failure monitoring apparatus may be implemented by an electronic machine device 500. The device 500 may include a processor 503 and a memory 504.
The memory 504 may be used to store executable program code.
The processor 503 may be used to read executable program code stored in the memory 504 to perform the fault monitoring method described above.
Therefore, in the electronic device provided by the embodiment of the invention, the state parameter information of the charging device can be monitored, the fault position and type of the charging device of the electric vehicle can be found and positioned in time after the fault warning message of the charging device is received, the corresponding fault solution can be generated rapidly, the operation and maintenance information of the operation and maintenance personnel can be obtained, the appropriate operation and maintenance personnel can be selected according to the operation and maintenance information of the operation and maintenance personnel, and the operation and maintenance work order is sent, so that the operation and maintenance personnel can maintain the charging device to be maintained rapidly, accurately and efficiently. The trouble-free operation time of the charging station is improved, the risk that the user cannot normally use due to the faults of the charging device is reduced, the personnel selection requirements of enterprises of the charging device are met, and the working efficiency of operation and maintenance staff is improved.
In some illustrative examples, battery charging device 500 may also include an input device 501, an input port 502, an output port 505, and an output device 506. The input port 502, the processor 503, the memory 504, and the output port 505 are connected to each other via a bus 510, and the input device 501 and the output device 506 are connected to the bus 510 via the input port 502 and the output port 505, respectively, and further connected to other components of the device 500.
In some examples, the output interfaces and input interfaces herein may also be represented as I/O interfaces. Specifically, the input device 501 receives input information from the outside and transmits the input information to the processor 503 through the input port 502. For example, a status message of an electric vehicle dc charging device is obtained.
In some examples, the processor 503 processes input information based on computer-executable program code or instructions stored in the memory 504 to generate output information. The output information is stored temporarily or permanently in the memory 504 and then transferred to the output device 506 via the output port 505 when needed. The output device 506 outputs the output information to the outside of the device 500.
Embodiments of the present invention provide a computer-readable storage medium, which may include instructions that, when executed on a computer, cause the computer to perform the above-mentioned fault monitoring method.
Embodiments of the present invention provide a computer program product containing instructions which, when run on a computer, cause the computer to perform the above-described fault monitoring method.
Embodiments of the present invention provide a computer program, which, when running on a computer, causes the computer to execute the above-mentioned fault monitoring method.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the method, apparatus, electronic device, and computer-readable storage medium embodiments, since they are substantially similar to the system embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.
Claims (10)
1. A method for monitoring faults of a direct current charging device of an electric vehicle, which is used for a server, and is characterized by comprising the following steps:
acquiring a state message of a direct current charging device of an electric vehicle, wherein the state message comprises charging device state parameter information;
when the state information comprises fault alarm information, generating a fault solution according to the alarm information, wherein the fault solution comprises a charging device operation and maintenance scheme, and the charging device operation and maintenance scheme and the charging device state parameter information have a preset corresponding relation;
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel;
and sending an operation and maintenance work order to the selected operation and maintenance personnel terminal, wherein the operation and maintenance work order comprises the position information of the charging device to be maintained.
2. The fault monitoring method of claim 1, wherein the charging device operation and maintenance work order comprises: maintenance schedule and required spare part information.
3. The fault monitoring method according to claim 1, wherein the operation and maintenance information of the operation and maintenance personnel includes position information of the operation and maintenance personnel and/or work order operation state information, and the step of obtaining the operation and maintenance information of the operation and maintenance personnel and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel includes at least one of:
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel within a preset range from the charging device to be maintained according to the position information of the operation and maintenance personnel;
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel in an idle state or with short remaining time of unfinished work orders according to the work order operation state information of the operation and maintenance personnel;
and acquiring operation and maintenance information of the operation and maintenance personnel, and selecting the operation and maintenance personnel according to the position information of the operation and maintenance personnel and the work order operation state information.
4. The fault monitoring method of claim 1, wherein the method further comprises:
judging the current use state of the electric vehicle direct-current charging device;
when the direct current charging device of the electric vehicle is judged to be in an idle state currently, a contact detection instruction is generated and sent to the charging device, so that a contact detection circuit in the charging device generates detection current, the detection current flows into a relay contact of the charging device and collects voltage of an output end of the detection current, resistance values of the relay contact are obtained according to the detection current and the voltage of the output end of the detection current, and fault conditions of the relay contact of the charging device are judged according to the resistance values of the relay contact.
5. The fault monitoring method according to claim 4,
the judging the fault condition of the relay contact of the charging device according to the resistance value of the relay contact comprises the following steps:
when the relay is in a disconnected state and the resistance value of the relay contact is smaller than a first preset relay contact resistance value threshold value, judging that the relay contact is adhered;
and when the relay is in a disconnected state and the resistance value of the relay contact is greater than a first preset relay contact resistance value threshold value, judging that the relay contact is normal.
6. An electric vehicle DC charging device fault monitoring device for a server, the fault monitoring device comprising:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a state message of the direct current charging device of the electric vehicle, and the state message comprises charging device state parameter information;
the judging unit is used for generating a fault solution according to the alarm information when the state information comprises fault alarm information, wherein the fault solution comprises a charging device operation and maintenance scheme, and the charging device operation and maintenance scheme and the charging device state parameter information have a preset corresponding relation;
the analysis unit is used for acquiring operation and maintenance information of operation and maintenance personnel and selecting the operation and maintenance personnel according to the operation and maintenance information of the operation and maintenance personnel;
and the sending unit is used for sending an operation and maintenance work order to the selected operation and maintenance personnel terminal, and the operation and maintenance work order comprises the position information of the charging device to be maintained.
7. The fault monitoring device of claim 6, wherein the charging device operation and maintenance work order comprises: maintenance schedule and required spare part information.
8. The fault monitoring device according to claim 6, wherein the operation and maintenance information of the operation and maintenance personnel includes position information and/or work order operation status information of the operation and maintenance personnel, and the analysis unit is configured to include at least one of:
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel within a preset range from the charging device to be maintained according to the position information of the operation and maintenance personnel;
acquiring operation and maintenance information of operation and maintenance personnel, and selecting the operation and maintenance personnel in an idle state or with short remaining time of unfinished work orders according to the work order operation state information of the operation and maintenance personnel;
and acquiring operation and maintenance information of the operation and maintenance personnel, and selecting the operation and maintenance personnel according to the position information of the operation and maintenance personnel and the work order operation state information.
9. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the fault monitoring method of any one of claims 1 to 5.
10. An electronic device comprising a processor and a memory;
the memory is used for storing executable program codes;
the processor is configured to read executable program code stored in the memory to perform the fault monitoring method of any one of claims 1 to 5.
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