CN111122008B - Method and device for determining core temperature of high-voltage wire - Google Patents
Method and device for determining core temperature of high-voltage wire Download PDFInfo
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- CN111122008B CN111122008B CN201811295687.0A CN201811295687A CN111122008B CN 111122008 B CN111122008 B CN 111122008B CN 201811295687 A CN201811295687 A CN 201811295687A CN 111122008 B CN111122008 B CN 111122008B
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Abstract
The invention relates to a method and a device for determining the core temperature of a high-voltage wire, computer equipment and a computer storage medium. The method for determining the core temperature of the high-voltage wire comprises the following steps: identifying wire identification information of a high-voltage wire to be tested used by an automobile to obtain target identification information; acquiring the current environment temperature of the high-voltage wire to be measured and the current surface temperature of the high-voltage wire to be measured, which are measured in the running state of the automobile; searching each group of lead parameters related to the target identification information in a preset database, and searching target lead parameters comprising the current environment temperature and the current surface temperature in the lead parameters; the database records a plurality of groups of lead parameters respectively associated with a plurality of lead identification information; and determining the core temperature of the high-voltage wire to be tested according to the core temperature in the target wire parameters. The method improves the corresponding determination efficiency on the basis of ensuring the safety of the temperature determination process of the core of the high-voltage wire.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a method and a device for determining the temperature of a wire core of a high-voltage wire, computer equipment and a computer storage medium.
Background
The high-voltage wire is an important component of a hybrid electric vehicle or a pure electric vehicle, and the reasonable model selection design of the high-voltage wire plays a vital role in the working performance of the vehicle. If the temperature of the core of the high-voltage wire under the actual working condition is lacked, the model selection design of the high-voltage wire has no data support, and the type of the high-voltage wire required by the work of the automobile is difficult to accurately determine. In the traditional technology, in some schemes, measuring instruments such as a thermistor and the like are required to be directly in contact measurement with a high-voltage wire core, and a data acquisition instrument is used for real-vehicle detection to obtain the wire core temperature of the high-voltage wire under the real-vehicle working condition, so that the risk of high-voltage electric shock exists, and the safety is low; in addition, the surface temperature of the high-voltage wire needs to be measured under the working condition of an actual vehicle, the temperature rise value between the surface temperature of the high-voltage wire and the temperature of the wire core is obtained under the laboratory environment, the temperature of the wire core is determined according to the surface temperature and the temperature rise value, and the determination process of the temperature of the wire core is complex, long in time consumption and low in efficiency.
Disclosure of Invention
Therefore, it is necessary to provide a method and an apparatus for determining a core temperature of a high-voltage wire, a computer device, and a computer storage medium, for solving the technical problem of low safety or low efficiency of a high-voltage wire core temperature obtaining technology under the conventional real vehicle working condition.
A core temperature determination method of a high-voltage wire comprises the following steps:
identifying wire identification information of a high-voltage wire to be tested used by an automobile to obtain target identification information;
acquiring the current environment temperature of the high-voltage wire to be measured and the current surface temperature of the high-voltage wire to be measured, which are measured in the running state of the automobile;
searching each group of lead parameters related to the target identification information in a preset database, and searching target lead parameters comprising the current environment temperature and the current surface temperature in the lead parameters; the database records a plurality of groups of lead parameters respectively associated with a plurality of lead identification information; the wire parameters comprise ambient temperature, surface temperature and core temperature;
and determining the core temperature of the high-voltage wire to be tested according to the core temperature in the target wire parameters.
In one embodiment, before the identifying the wire identification information of the high-voltage wire to be tested used by the automobile and obtaining the target identification information, the method further includes:
respectively identifying the wire identification information of various high-voltage wires;
acquiring a plurality of groups of lead parameters generated in the experimental process of the high-voltage lead;
respectively associating the lead identification information of any one high-voltage lead with each group of lead parameters of the high-voltage lead;
and constructing the database according to the wire identification information and each group of wire parameters associated with the wire identification information.
As an embodiment, the process of acquiring several sets of wire parameters generated by the high-voltage wire in the experimental process includes:
and acquiring a plurality of groups of lead parameters generated when the high-voltage lead is powered by a set power supply.
As an embodiment, after the searching for each set of lead parameters associated with the target identification information in the preset database, the method further includes:
if the wire parameters related to the target identification information are not inquired in the database, acquiring a plurality of groups of wire parameters generated in the experimental process of the high-voltage wire to be tested;
and storing the target identification information, each group of lead parameters and the corresponding relation between the target identification information and each group of lead parameters to the database.
In one embodiment, the process of acquiring the current environmental temperature of the high-voltage wire to be tested and the current surface temperature of the high-voltage wire to be tested, which are measured in the running state of the automobile, includes:
reading a plurality of initial environment temperatures and a plurality of initial surface temperatures of the high-voltage wire to be tested in the running state of the automobile;
and determining the highest temperature in the initial environment temperature as the current environment temperature of the high-voltage wire to be tested, and determining the highest temperature in the initial surface temperature as the current surface temperature of the high-voltage wire to be tested.
In one embodiment, the conductor parameters further include an operating current through the high voltage conductor;
after searching each group of lead parameters associated with the target identification information in the preset database and searching the target lead parameters including the current environment temperature and the current surface temperature in the lead parameters, the method further includes:
and determining the working current of the high-voltage wire to be tested according to the working current in the target wire parameter.
A core temperature determining apparatus of a high voltage wire, comprising:
the first identification module is used for identifying wire identification information of a high-voltage wire to be detected used by an automobile to obtain target identification information;
the first acquisition module is used for acquiring the current environment temperature of the high-voltage wire to be measured and the current surface temperature of the high-voltage wire to be measured, which are measured in the running state of the automobile;
the searching module is used for searching each group of lead parameters related to the target identification information in a preset database, and searching target lead parameters comprising the current environment temperature and the current surface temperature in the lead parameters; the database records a plurality of groups of lead parameters respectively associated with a plurality of lead identification information; the wire parameters comprise ambient temperature, surface temperature and core temperature;
and the first determining module is used for determining the core temperature of the high-voltage wire to be detected according to the core temperature in the target wire parameter.
In one embodiment, the core temperature determining apparatus of the high-voltage wire further includes:
the second identification module is used for respectively identifying the wire identification information of various high-voltage wires;
the second acquisition module is used for acquiring a plurality of groups of lead parameters generated in the experimental process of the high-voltage lead;
the correlation module is used for respectively correlating the wire identification information of any one high-voltage wire with each group of wire parameters of the high-voltage wire;
and the construction module is used for constructing the database according to the wire identification information and each group of wire parameters related to the wire identification information.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method for determining the core temperature of a high voltage conductor as provided in any of the above embodiments when executing the computer program.
A computer storage medium having a computer program stored thereon, wherein the program is executed by a processor to implement the method for determining the core temperature of a high-voltage conductor according to any one of the above embodiments.
According to the method, the device, the computer equipment and the computer storage medium for determining the core temperature of the high-voltage wire, the target identification information of the high-voltage wire to be measured used by the automobile can be identified, the current environment temperature and the current surface temperature of the high-voltage wire to be measured in the running state of the automobile are obtained, each group of wire parameters related to the target identification information are searched in a preset database, the target wire parameters including the current environment temperature and the current surface temperature are searched in the wire parameters, the core temperature of the high-voltage wire to be measured in the automobile is determined according to the core temperature in the target wire parameters, the determination process of the core temperature of the high-voltage wire to be measured is effectively simplified on the basis of ensuring the safety of the determination process of the core temperature of the high-voltage wire to be measured, and the corresponding determination efficiency is improved.
Drawings
FIG. 1 is a flow chart of a core temperature determination method of a high voltage conductor according to an embodiment;
FIG. 2 is a schematic structural diagram of a core temperature determination device of a high-voltage wire according to an embodiment;
FIG. 3 is a block diagram of a computer system, according to one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that the terms "first \ second \ third" related to the embodiments of the present invention only distinguish similar objects, and do not represent a specific ordering for the objects, and it should be understood that "first \ second \ third" may exchange a specific order or sequence when allowed. It should be understood that the terms first, second, and third, as used herein, are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or otherwise described herein.
The terms "comprises" and "comprising," and any variations thereof, of embodiments of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product, or device that comprises a list of steps or modules is not limited to the listed steps or modules but may alternatively include other steps or modules not listed or inherent to such process, method, product, or device.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Reference herein to "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Referring to fig. 1, fig. 1 is a flowchart of a core temperature determination method of a high-voltage wire according to an embodiment, including:
s10, identifying the wire identification information of the high-voltage wire to be tested used by the automobile to obtain target identification information;
the lead identification information can comprise information which can represent the type of the high-voltage lead, such as manufacturers, specification models and the like; according to certain wire identification information, the high-voltage wire represented by the wire identification information can be determined to be the wire of which specification and model produced by which manufacturer.
S20, acquiring the current environment temperature of the high-voltage wire to be measured and the current surface temperature of the high-voltage wire to be measured, which are measured in the automobile running state (real automobile working condition);
in the above step, the automobile can run in the test site, the test environment of the test site can be determined according to the test working conditions of new energy automobiles such as pure electric vehicles and the like, and also can be determined according to the specific delivery requirements of the automobile, for example, the test environment can be set according to the environmental characteristics of the subsequent delivery site of the automobile, so that the obtained current surface temperature and the obtained current environmental temperature, and the conductor parameters such as the core temperature determined according to the current surface temperature and the current environmental temperature are matched with the environment of the automobile when the automobile actually runs subsequently, and the effectiveness of the subsequently determined conductor parameters such as the core temperature is ensured.
The current ambient temperature and the current surface temperature may be measured by corresponding temperature measuring devices, respectively. The current surface temperature is the real-time temperature of the surface of the high-voltage wire. The current ambient temperature is a real-time temperature at a temperature measurement point at a set distance from the surface of the high-voltage wire, and the set distance may be determined according to a setting environment of the high-voltage wire in the automobile, and may be set to 20mm (millimeter) or the like, for example.
S30, searching each group of lead parameters related to the target identification information in a preset database, and searching target lead parameters comprising the current environment temperature and the current surface temperature in the lead parameters; the database records a plurality of groups of lead parameters respectively associated with a plurality of lead identification information; the wire parameters comprise ambient temperature, surface temperature and core temperature;
in the database, each wire identification information is respectively associated with a plurality of groups of wire parameters of the corresponding high-voltage wire. The database can record the wire identification information of various high-voltage wires commonly used by the automobile, the wire parameters of the high-voltage wires and the corresponding relationship between the wire identification information of each high-voltage wire and the wire parameters of the corresponding wire, so that all the wire parameters corresponding to the high-voltage wire to be detected can be accurately searched in the database according to the wire identification information of the high-voltage wire to be detected, and further, the target wire parameters are determined in the searched wire parameters.
And S40, determining the core temperature of the high-voltage wire to be tested according to the core temperature in the target wire parameters.
The target wire parameters can be searched and obtained in the database according to the current environment temperature and the current surface temperature of the high-voltage wire to be tested, and the wire core temperature of the high-voltage wire to be tested is obtained from the target wire parameters, so that the method has high safety, the wire core temperature obtaining cost of the high-voltage wire to be tested is reduced, and the obtaining efficiency is improved.
The method for determining the core temperature of the high-voltage wire provided by the embodiment can identify the target identification information of the high-voltage wire to be measured used by the automobile, acquire the current environment temperature and the current surface temperature of the high-voltage wire to be measured in the running state of the automobile, search each group of wire parameters associated with the target identification information in a preset database, and search the target wire parameters including the current environment temperature and the current surface temperature in the wire parameters, so that the core temperature of the high-voltage wire to be measured in the automobile is determined according to the core temperature in the target wire parameters, and on the basis of ensuring the safety of the core temperature determination process of the high-voltage wire to be measured, the determination process of the core temperature of the high-voltage wire to be measured is effectively simplified, and the corresponding determination efficiency is improved.
In one embodiment, before the identifying the wire identification information of the high-voltage wire to be tested used by the automobile and obtaining the target identification information, the method further includes:
respectively identifying the wire identification information of various high-voltage wires;
acquiring a plurality of groups of lead parameters generated in the experimental process of the high-voltage lead;
respectively associating the lead identification information of any one high-voltage lead with each group of lead parameters of the high-voltage lead;
and constructing the database according to the wire identification information and each group of wire parameters associated with the wire identification information.
The experimental process is a low-voltage power supply process, namely, a safe low-voltage power supply is used for replacing a high-voltage power supply in an automobile to supply power for a high-voltage wire. In the experimental process, the wire parameters such as the environment temperature, the surface temperature and the core temperature of the high-voltage wire in the electrified state can be measured respectively, the parameters such as the environment temperature, the surface temperature and the core temperature generated at the same time are determined to be one group of wire parameters, so that a plurality of groups of wire parameters of the high-voltage wire are determined, and the accuracy of the determined groups of wire parameters is ensured.
The database constructed by the embodiment can record a plurality of groups of wire parameters of various high-voltage wires so as to obtain the core temperature of various high-voltage wires in the running state, thereby effectively improving the obtaining efficiency of the core temperature and reducing the cost for obtaining the core temperature.
As an embodiment, the process of acquiring several sets of wire parameters generated by the high-voltage wire in the experimental process includes:
and acquiring a plurality of groups of lead parameters generated when the high-voltage lead is powered by a set power supply.
The set power supply is a low voltage power supply not exceeding 36V (volts). The set power supply supplies power to the high-voltage wires, so that the safety of the process of acquiring the parameters of each group of wires in the experimental environment can be ensured.
Specifically, the setting power supply can be a 12V power supply, the 12V power supply is used for replacing a high-voltage power supply of the automobile, so that wire parameters such as core temperature of the high-voltage wire in a working state are directly measured, and the safety in the acquisition process is improved on the basis of ensuring the accuracy of the acquired wire parameters.
In one embodiment, after the searching for each set of lead parameters associated with the target identification information in the preset database, the method further includes:
if the wire parameters related to the target identification information are not inquired in the database, acquiring a plurality of groups of wire parameters generated in the experimental process of the high-voltage wire to be tested;
and storing the target identification information, each group of lead parameters and the corresponding relation between the target identification information and each group of lead parameters to the database.
In this embodiment, if the groups of lead parameters associated with the target identification information are not found in the database, that is, the database does not include the lead parameters associated with the target identification information, which indicates that the database does not record the lead parameters of the high-voltage lead to be tested currently, a plurality of groups of lead parameters of the high-voltage lead to be tested in the powered state may be obtained in the experimental environment, and the database is updated according to the lead identification information and the obtained groups of lead parameters, so as to perfect the database and ensure the smooth determination of the core temperature of the high-voltage lead to be tested.
In one embodiment, the process of acquiring the current environmental temperature of the high-voltage wire to be tested and the current surface temperature of the high-voltage wire to be tested measured in the running state of the automobile includes:
reading a plurality of initial environment temperatures and a plurality of initial surface temperatures of the high-voltage wire to be tested in the running state of the automobile;
and determining the highest temperature in the initial environment temperature as the current environment temperature of the high-voltage wire to be tested, and determining the highest temperature in the initial surface temperature as the current surface temperature of the high-voltage wire to be tested.
According to the embodiment, the initial environment temperature and the initial surface temperature can be respectively obtained at a plurality of parts such as an engine and a chassis of an automobile, so that the comprehensiveness of the obtained initial environment temperature and initial surface temperature is ensured; the current environment temperature of the high-voltage wire to be tested is determined according to the highest temperature in the initial environment temperature, the current surface temperature of the high-voltage wire to be tested is determined according to the highest temperature in the initial surface temperature, and wire parameters such as the wire core temperature and the like are searched in the database according to the current environment temperature and the current surface temperature, so that the work of high-voltage wire type selection design or performance evaluation and the like based on the wire parameters can be safer and more reasonable.
In one embodiment, the conductor parameters further include an operating current through the high voltage conductor;
after searching each group of lead parameters associated with the target identification information in the preset database and searching the target lead parameters including the current environment temperature and the current surface temperature in the lead parameters, the method further includes:
and determining the working current of the high-voltage wire to be tested according to the working current in the target wire parameter.
On the basis of determining the temperature of the wire core, the working current of the high-voltage wire to be detected in the running state of the automobile can be determined, and the detected wire parameters are further improved.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a core temperature determination apparatus of a high-voltage wire according to an embodiment, including:
the first identification module 10 is used for identifying wire identification information of a high-voltage wire to be detected used by an automobile to obtain target identification information;
the first obtaining module 20 is configured to obtain a current ambient temperature of the high-voltage wire to be measured and a current surface temperature of the high-voltage wire to be measured, which are measured in the automobile running state;
the searching module 30 is configured to search each set of lead parameters associated with the target identification information in a preset database, and search target lead parameters including the current ambient temperature and the current surface temperature in the lead parameters; the database records a plurality of groups of lead parameters respectively associated with a plurality of lead identification information; the wire parameters comprise ambient temperature, surface temperature and core temperature;
and the first determining module 40 is used for determining the core temperature of the high-voltage wire to be tested according to the core temperature in the target wire parameter.
In one embodiment, the core temperature determination device of the high-voltage wire may further include:
the second identification module is used for respectively identifying the wire identification information of various high-voltage wires;
the second acquisition module is used for acquiring a plurality of groups of lead parameters generated in the experimental process of the high-voltage lead;
the correlation module is used for respectively correlating the wire identification information of any one high-voltage wire with each group of wire parameters of the high-voltage wire;
and the construction module is used for constructing the database according to the wire identification information and each group of wire parameters related to the wire identification information.
As an embodiment, the first obtaining module is further configured to:
and acquiring a plurality of groups of lead parameters generated when the high-voltage lead is powered by a set power supply.
As an embodiment, the core temperature determination device of the high-voltage wire may further include:
the third acquisition module is used for acquiring a plurality of groups of lead parameters generated by the high-voltage lead to be tested in the experimental process if the lead parameters related to the target identification information are not inquired in the database;
and the storage module is used for storing the target identification information, the groups of lead parameters and the corresponding relation between the target identification information and the groups of lead parameters to the database.
In one embodiment, the first obtaining module is further configured to:
reading a plurality of initial environment temperatures and a plurality of initial surface temperatures of the high-voltage wire to be tested in the running state of the automobile;
and determining the highest temperature in the initial environment temperature as the current environment temperature of the high-voltage wire to be tested, and determining the highest temperature in the initial surface temperature as the current surface temperature of the high-voltage wire to be tested.
In one embodiment, the conductor parameters further include an operating current through the high voltage conductor;
the core temperature determination device of the high-voltage wire further comprises:
and the second determination module is used for determining the working current of the high-voltage wire to be tested according to the working current in the target wire parameter.
FIG. 3 is a block diagram of a computer system 1000 upon which embodiments of the present invention may be implemented. The computer system 1000 is only one example of a suitable computing environment for the invention and is not intended to suggest any limitation as to the scope of use of the invention. Neither should the computer system 1000 be interpreted as having a dependency or requirement relating to a combination of one or more components of the exemplary computer system 1000 illustrated.
The computer system 1000 shown in FIG. 3 is one example of a computer system suitable for use with the present invention. Other architectures with different subsystem configurations may also be used. Such as desktop computers, notebooks, and the like, as are well known to those of ordinary skill, may be suitable for use with some embodiments of the present invention. But are not limited to, the devices listed above.
As shown in fig. 3, the computer system 1000 includes a processor 1010, a memory 1020, and a system bus 1022. Various system components including the memory 1020 and the processor 1010 are connected to the system bus 1022. The processor 1010 is hardware for executing computer program instructions through basic arithmetic and logical operations in a computer system. Memory 1020 is a physical device used for temporarily or permanently storing computing programs or data (e.g., program state information). The system bus 1020 may be any of several types of bus structures including a memory bus or memory controller, a peripheral bus, and a local bus. The processor 1010 and the memory 1020 may be in data communication via a system bus 1022. Wherein memory 1020 includes Read Only Memory (ROM) or flash memory (neither shown), and Random Access Memory (RAM), which typically refers to main memory loaded with an operating system and application programs.
The computer system 1000 also includes a display interface 1030 (e.g., a graphics processing unit), a display device 1040 (e.g., a liquid crystal display), an audio interface 1050 (e.g., a sound card), and an audio device 1060 (e.g., speakers).
It should be noted that other computer systems, including more or less subsystems than computer system 1000, can also be suitable for use with the invention. As described above in detail, the computer system 1000 adapted to the present invention can perform the designated operations of the core temperature determination method of the high voltage wire. The computer system 1000 performs these operations in the form of software instructions executed by the processor 1010 in a computer-readable medium. These software instructions may be read into memory 1020 from storage device 1070 or from another device via local network interface 1100. The software instructions stored in memory 1020 cause processor 1010 to perform the above-described method for determining the core temperature of a high voltage wire. Furthermore, the present invention can be implemented by hardware circuits or by a combination of hardware circuits and software instructions. Thus, implementations of the invention are not limited to any specific combination of hardware circuitry and software.
The core temperature determination device of the high-voltage wire and the core temperature determination method of the high-voltage wire correspond to each other one by one, and the technical characteristics and the beneficial effects explained in the embodiment of the core temperature determination method of the high-voltage wire are all applicable to the embodiment of the core temperature determination device of the high-voltage wire.
Based on the examples described above, there is also provided in one embodiment a computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the program, implements the method for determining the core temperature of a high voltage wire as in any one of the above embodiments.
According to the computer equipment, the safety and the determination efficiency of the temperature determination process of the wire core of the high-voltage wire are improved through the computer program running on the processor.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by a computer program, which may be stored in a non-volatile computer readable storage medium, and in the embodiments of the present invention, the program may be stored in the storage medium of a computer system and executed by at least one processor in the computer system, so as to implement the processes of the embodiments including the core temperature determination method of the high-voltage conductor described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Accordingly, in an embodiment, there is also provided a computer storage medium having a computer program stored thereon, wherein the program is executed by a processor to implement the core temperature determination method of the high voltage wire as described in any one of the above embodiments.
The computer storage medium can simplify the determination process of the temperature of the wire core of the high-voltage wire and improve the phase determination efficiency on the basis of ensuring the safety of the determination process of the temperature of the wire core of the high-voltage wire through the stored computer program.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for determining the core temperature of a high-voltage wire is characterized by comprising the following steps:
respectively identifying the wire identification information of various high-voltage wires;
acquiring a plurality of groups of lead parameters generated by the high-voltage lead in the experimental process, wherein the lead parameters are lead parameters generated by the high-voltage lead when a low-voltage power supply supplies power, and the lead parameters are a group of ambient temperature, surface temperature and core temperature generated at the same moment;
respectively associating the lead identification information of any one high-voltage lead with each group of lead parameters of the high-voltage lead;
constructing a database according to the wire identification information and each group of wire parameters related to the wire identification information;
identifying wire identification information of a high-voltage wire to be tested used by an automobile to obtain target identification information;
acquiring the current environment temperature of the high-voltage wire to be measured and the current surface temperature of the high-voltage wire to be measured, which are measured in the running state of the automobile; the current environment temperature is the real-time temperature at a temperature measuring point which is a set distance away from the surface of the high-voltage wire to be measured, and the current surface temperature is the real-time temperature of the surface of the high-voltage wire to be measured;
searching each group of lead parameters related to the target identification information in the database, and searching target lead parameters comprising the current environment temperature and the current surface temperature in each group of lead parameters;
and determining the core temperature of the high-voltage wire to be tested according to the core temperature in the target wire parameters.
2. The method as claimed in claim 1, wherein after searching the database for the sets of conductor parameters associated with the target identification information, the method further comprises:
if the wire parameters related to the target identification information are not inquired in the database, acquiring a plurality of groups of wire parameters generated in the experimental process of the high-voltage wire to be tested;
and storing the target identification information, each group of lead parameters and the corresponding relation between the target identification information and each group of lead parameters to the database.
3. The method as claimed in any one of claims 1 to 2, wherein the step of obtaining the current ambient temperature of the high-voltage wire to be measured and the current surface temperature of the high-voltage wire to be measured in the running state of the vehicle includes:
reading a plurality of initial environment temperatures and a plurality of initial surface temperatures of the high-voltage wire to be tested in the running state of the automobile;
and determining the highest temperature in the initial environment temperature as the current environment temperature of the high-voltage wire to be tested, and determining the highest temperature in the initial surface temperature as the current surface temperature of the high-voltage wire to be tested.
4. The method according to any one of claims 1 to 2, wherein the wire parameters further include an operating current through the high voltage wire;
searching each group of lead parameters related to the target identification information in the database, and after searching the target lead parameters including the current environment temperature and the current surface temperature in each group of lead parameters, further comprising:
and determining the working current of the high-voltage wire to be tested according to the working current in the target wire parameter.
5. The method for determining the core temperature of a high-voltage wire according to claim 1, wherein the obtaining of the plurality of sets of wire parameters of the high-voltage wire generated in the experimental process comprises:
measuring the ambient temperature, the surface temperature and the core temperature of the high-voltage wire in a power-on state;
the ambient temperature, surface temperature and core temperature generated at the same time are determined as a set of wire parameters.
6. A core temperature determining apparatus for a high-voltage wire, comprising:
the second identification module is used for respectively identifying the wire identification information of various high-voltage wires;
the second acquisition module is used for acquiring a plurality of groups of lead parameters generated by the high-voltage lead in the experimental process, wherein the lead parameters are lead parameters generated by the high-voltage lead when a low-voltage power supply supplies power, and the lead parameters are a group of ambient temperature, surface temperature and core temperature generated at the same moment;
the correlation module is used for respectively correlating the wire identification information of any one high-voltage wire with each group of wire parameters of the high-voltage wire;
the construction module is used for constructing a database according to the wire identification information and each group of wire parameters related to the wire identification information;
the first identification module is used for identifying wire identification information of a high-voltage wire to be detected used by an automobile to obtain target identification information;
the first acquisition module is used for acquiring the current environment temperature of the high-voltage wire to be measured and the current surface temperature of the high-voltage wire to be measured, which are measured in the running state of the automobile; the current environment temperature is the real-time temperature at a temperature measuring point which is a set distance away from the surface of the high-voltage wire to be measured, and the current surface temperature is the real-time temperature of the surface of the high-voltage wire to be measured;
the searching module is used for searching each group of lead parameters related to the target identification information in the database and searching target lead parameters comprising the current environment temperature and the current surface temperature in each group of lead parameters;
and the first determining module is used for determining the core temperature of the high-voltage wire to be detected according to the core temperature in the target wire parameter.
7. The core temperature determining apparatus of a high-voltage wire according to claim 6, further comprising:
the third acquisition module is used for acquiring a plurality of groups of lead parameters generated by the high-voltage lead to be tested in the experimental process if the lead parameters related to the target identification information are not inquired in the database;
and the storage module is used for storing the target identification information, the groups of lead parameters and the corresponding relation between the target identification information and the groups of lead parameters to the database.
8. The apparatus for determining core temperature of a high-voltage wire according to claim 6, wherein the first obtaining module is further configured to read a plurality of initial ambient temperatures and a plurality of initial surface temperatures of the high-voltage wire to be tested in the operating state of the vehicle;
and determining the highest temperature in the initial environment temperature as the current environment temperature of the high-voltage wire to be tested, and determining the highest temperature in the initial surface temperature as the current surface temperature of the high-voltage wire to be tested.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method for determining the core temperature of a high voltage wire according to any one of claims 1 to 5 when executing the computer program.
10. A computer storage medium on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the core temperature determination method of a high-voltage wire according to any one of claims 1 to 5.
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