CN114076839A - High-speed power supply system for automobile electrical appliance test - Google Patents
High-speed power supply system for automobile electrical appliance test Download PDFInfo
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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
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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
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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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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- 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
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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Abstract
The invention provides a high-speed power supply system for automobile electrical appliance tests, which comprises: a power supply module: the device is used for providing a main power supply when the automobile electrical appliance is tested; a voltage regulation module: the system is used for obtaining test parameters of the automobile electrical appliance, changing output parameters of a main power supply through a plurality of regulators and regulating the output parameters of the main power supply; the high-speed power supply control module: the device is used for testing the automobile electrical appliance by rapidly switching the output voltage; an electrical appliance verification module: the method is used for acquiring test data and judging the performance of the automobile electrical appliance. The invention provides a system for providing a high-speed power supply when an automobile electric appliance is tested; the invention can realize three power supplies of the automobile, and the commercial power supply is mainly used for automobile electrical appliance tests in automobile charging scenes. The storage battery is used for a scene test of the running of automobile electrical appliances of the electric automobile, and the engine is mainly used for a simulation test of the automobile.
Description
Technical Field
The invention relates to the technical field of power supply systems, in particular to a high-speed power supply system for automobile electrical appliance tests.
Background
At present, with the continuous development of automobile technology, the requirements of people on automobile maneuverability, comfort and entertainment are higher and higher, electronic equipment on an automobile is rapidly increased, so that controllers needing stable power supplies on the automobile are increased, the power consumption is greatly improved, and new requirements are provided for automobile power supply appliances; the automobile electric appliances comprise navigation system electric appliances, anti-lock electric appliance systems, a ground control system, an engine or an engine unit of the automobile, an automobile electronic system and a multimedia system. The systems comprise a plurality of electric appliances, which need to be strictly detected before the factory shipment, the existing detection technology is mainly used for detecting raw materials, however, if the ground step of the whole vehicle is reached, the conventional test or detection is carried out manually, the good vehicle is obtained as long as the surface is normal, but when the automobile electrical equipment runs, sudden power failure can occur, the electric quantity of the main power supply of the battery is insufficient, the automobile driver can rapidly switch on and off the electrical equipment or adjust the frequency, these manual routine tests cannot be done, and the number of electrical appliances in the automobile is very large, the manual tests are always undetected and inaccurate, and are time-consuming, therefore, a test system is lacked urgently, can realize the comprehensive detection to whole car, through the experimental strategy that sets up in advance, control car electrical apparatus and carry out automated inspection, judge the stability of car electrical apparatus under an environment. And can realize high-speed power switching, be convenient for detect fast to different car electrical apparatus, also can detect the raw materials of car electrical apparatus (finished product raw materials, be exactly under the state of an electrical apparatus) simultaneously.
Disclosure of Invention
The invention provides a high-speed power supply system for an automobile electrical appliance test, which is used for solving the problem.
A high speed power supply system for automotive electrical testing, comprising:
a power supply module: the device is used for providing a main power supply when the automobile electrical appliance is tested;
a voltage regulation module: the system is used for obtaining test parameters of the automobile electrical appliance, changing output parameters of a main power supply through a plurality of regulators and regulating the output parameters of the main power supply;
the high-speed power supply control module: the device is used for testing the automobile electrical appliance by rapidly switching the output voltage;
an electrical appliance verification module: the method is used for acquiring test data and judging the performance of the automobile electrical appliance.
As an embodiment of the present invention: the power module includes:
the power supply comprises the following components: the control switch is used for integrating the storage battery, the commercial power supply and the engine in parallel; wherein,
the control switch includes: a wireless remote switch, an air switch and a relay switch;
a current limiting unit: the current limiting device is used for setting a main power supply current upper limit value, and carrying out current limiting operation on a main power supply when a current value is detected to exceed the current upper limit value; wherein,
the main power supply consists of a storage battery, a mains supply and an engine;
a power adjusting unit: for regulating the output power of the main power supply by means of a power regulator in said main power supply.
As an embodiment of the present invention: the voltage regulation module includes:
a test step module: the method comprises the steps of determining the automobile electrical appliances to be tested, and setting the voltage root mean square value of each automobile electrical appliance test;
a data acquisition unit: the method is used for obtaining the root mean square value of the voltage of the automobile electrical appliance and determining the output parameters needing to be quickly exchanged in the test; wherein,
the output parameters include: output power, output voltage, output current and output line;
a data processing unit: the controller is used for determining the adjusting parameters of the adjuster according to the output parameters;
a regulation control unit: the main power supply is used for carrying out output regulation on the main power supply according to the regulation parameters and determining output parameters; wherein,
the output adjustment includes: phase adjustment, current adjustment, voltage adjustment, period adjustment, power adjustment, timing adjustment and power-off control;
the output parameters include: output current, output voltage, output power and output time.
As an embodiment of the present invention: the high-speed power control module includes:
a detection unit: the system is used for detecting the main power supply and judging real-time parameters of the main power supply; wherein,
the real-time parameters include: real-time voltage, real-time current, real-time power, and real-time phase;
a conversion unit: the system is used for acquiring the output parameters and the implementation parameters, determining voltage values required by the automobile electrical appliances and generating corresponding conversion instructions;
a switching unit: and the voltage regulator is used for receiving the conversion instruction and responding to the conversion instruction through a corresponding regulator to regulate the voltage.
As an embodiment of the present invention: the power supply constituent unit includes:
storage battery subunit: the system is used for storing electric energy of a mains supply and an engine and supplying power to the automobile electrical appliance when no mains supply and no engine generate electricity;
battery sensor subunit: the system comprises a display panel, a storage battery, a power supply and a power supply, wherein the display panel is used for monitoring state parameters of the storage battery in the automobile electrical appliance test process and sending the state parameters to the automobile; wherein,
the state parameters include: real-time current value, real-time power supply voltage value, temperature value and residual electric quantity;
a charging subunit: the system is used for acquiring the residual electric quantity of the storage battery and actively controlling the commercial power and the engine to charge the storage battery when the residual electric quantity is below a preset threshold value;
protection circuit subunit: and the temperature control module is used for judging whether the temperature value reaches a preset threshold value according to the state parameters, and carrying out high-temperature alarm and cooling treatment.
As an embodiment of the present invention: the appliance authentication module includes:
an ideal parameter acquisition unit: the system comprises a main power supply, a plurality of regulators, a plurality of controllers and a plurality of control devices, wherein the main power supply is used for supplying power to the controllers;
a system parameter acquisition unit: the system is used for connecting the electric power detector with an electronic control system of the automobile, determining real-time operation data of each automobile electrical appliance and outputting an operation waveform of each automobile electrical appliance; wherein, the car electronic control system includes at least: the system comprises a communication system, an engine electric control system, an anti-lock system, an automatic cruise system and a vehicle-mounted multimedia system;
a judging module: the device comprises a test data acquisition module, a data processing module and a data processing module, wherein the test data acquisition module is used for acquiring test reference data corresponding to the running waveforms of the automobile electrical appliances;
a performance judgment module: according to the judgment result, scoring the automobile electrical appliance to determine the automobile performance; wherein,
the scoring comprises: stability scoring, regulatory response scoring, autoregulation scoring, and blackout scoring.
As an embodiment of the present invention: the system further comprises:
the automobile electrical appliance feedback module: the system comprises a data acquisition module, a data processing module and a fault code generation module, wherein the data acquisition module is used for acquiring test data, determining abnormal data in the test data, analyzing and processing the abnormal data and outputting the fault code; wherein,
the automobile electric appliance feedback module comprises:
a processing command storage unit: the analysis strategy and the processing strategy are used for storing the abnormal data;
an information processing unit: for determining the status information of each vehicle electrical appliance according to the analysis and processing strategy
Unqualified electric appliance marking unit: the system comprises a state information database, a failure behavior database and a control module, wherein the state information database is used for storing state information of the automobile electrical appliances corresponding to the state information of the automobile electrical appliances; wherein,
the state information includes: voltage information, current information, temperature information, and real-time status information;
and when the state information is not in the preset fault behavior database, sending out a data abnormity warning and carrying out manual processing.
As an embodiment of the present invention: the system further comprises: the automobile electrical appliance data feedback module is used for receiving automobile electrical appliance feedback information and carrying out intelligent adjustment according to the automobile electrical appliance feedback information; wherein,
the automobile electrical appliance data feedback module comprises:
automobile electric appliance voltage receiving unit: the system comprises a main power supply, a feedback module, a control module and a power supply module, wherein the feedback module is used for receiving feedback information of the automobile electrical appliance, generating an automatic adjusting instruction of the automobile electrical appliance and adjusting an output parameter of the main power supply according to the automatic adjusting instruction;
electric leakage data unit of automobile electrical appliance: the device is used for detecting the leakage value of the automobile electrical appliance, setting the upper limit value of the leakage, and stopping power supply when the leakage value of the automobile electrical appliance exceeds the preset upper limit value of the leakage.
As an embodiment of the present invention: the power module further includes:
a parallel control unit: the system is used for simultaneously controlling the storage battery, the commercial power supply and the engine to supply power to the automobile electrical appliances and carrying out voltage balance adjustment;
a control module: the system is used for sending a power supply instruction to the storage battery, the commercial power supply and the engine according to the test parameters; wherein,
the power supply instruction comprises a single power supply instruction and a combined power supply instruction;
secondary unit is retrieved to battery electric quantity: the electric quantity recycling device is used for recycling electric quantity through the storage battery when the engine and the commercial power supply power to the automobile electrical appliance.
As an embodiment of the present invention: the system further comprises:
a voltage normal unit: the device is used for providing a normal voltage value for the automobile electrical appliance when the automobile electrical appliance is tested;
a power-off test unit: the power supply control device is used for controlling the main power supply to perform instant power failure when the automobile electrical appliance is tested;
a voltage recovery detection unit: when the automobile electrical appliance is tested, the automobile is set to be in a braking or sliding state, the output power of the alternating current engine is improved, and the electric power recovery capability of the storage battery is detected;
voltage quick charge unit: the device is used for increasing the output voltage of the engine when the electric appliance test is carried out through a mains supply and the engine and if the storage battery is in an electric quantity loss state, rapidly charging the storage battery and carrying out charging detection;
voltage signal detection subunit: the device is used for detecting the voltages of the anode and the cathode of the storage battery, obtaining voltage signals, converting the voltage signals into digital signals and judging whether the storage battery is in fault or not;
temperature signal detection subunit: the device is used for detecting the internal temperature of the storage battery IC, obtaining a temperature signal, converting the temperature signal into a digital signal and judging whether the temperature of the storage battery is abnormal or not.
The invention has the beneficial effects that: the invention provides a system for providing a high-speed power supply when an automobile electric appliance is tested; the invention can realize three power supplies of the automobile, and the commercial power supply is mainly used for automobile electrical appliance tests in automobile charging scenes. The storage battery is used for a scene test of the running of automobile electrical appliances of the electric automobile, and the engine is mainly used for a simulation test of the automobile. However, the vehicles we state in the patent include electric vehicles, natural gas vehicles and petroleum vehicles.
The system can be widely used relatively, and automobile manufacturers and maintenance shops can build the system to test the automobile electrical appliances.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a high-speed power supply system for testing electrical appliances of an automobile according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a power module of a high-speed power system for testing electrical devices of an automobile according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an automotive electrical appliance feedback module of a high-speed power supply system for automotive electrical appliance testing according to an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
as shown in fig. 1, the present invention is a high-speed power supply system for testing electrical devices of an automobile, comprising:
a power supply module: the device is used for providing a main power supply when the automobile electrical appliance is tested;
a voltage regulation module: the system is used for obtaining test parameters of the automobile electrical appliance, changing output parameters of a main power supply through a plurality of regulators and regulating the output parameters of the main power supply;
the high-speed power supply control module: the device is used for testing the automobile electrical appliance by rapidly switching the output voltage;
an electrical appliance verification module: the method is used for acquiring test data and judging the performance of the automobile electrical appliance.
The working principle of the technical scheme is as follows: in the prior art, when an engine is adopted in an automobile, the crankshaft of the engine is driven by a belt, so that the phenomena of low output power and efficiency of the engine, poor battery searching performance and unstable output exist, when the automobile is supplied with power, the voltage is not easily rapidly adjusted, the automobile electrical appliance cannot be driven under some extreme conditions or is easily subjected to overcurrent, the detection of the phenomenon on the automobile electrical appliance cannot be carried out in the prior art, the performance of the automobile electrical appliance in the state is determined, and for an electric automobile or an electric and gas dual-purpose automobile, the power supply of the automobile is carried out by a storage battery, so the detection of the storage battery is also very important. Since automobile electric appliances are important parts of automobiles, tests before the automobiles are brought out are also important. In the prior art, the test is generally carried out after the automobile is manufactured, and in the experimental mode, if the automobile is damaged, the time and labor are wasted when the automobile needs to be disassembled and equipment is replaced. Therefore, a power supply system which can carry out automobile electrical appliance tests without manufacturing automobiles and can also accord with various different use scenes of automobiles is indispensable.
Therefore, the invention can realize the detection of the automobile electrical appliance through three voltages, namely a mains supply, a storage battery and an engine, namely the engine of the automobile, according to the power module, the detection of the automobile electrical appliance can be realized through the three voltages, namely the mains supply, the storage battery and the engine, namely the engine of the automobile, the output parameters of the main power supply of the automobile, including the conditions of output voltage, output current, output power, unstable output, undervoltage output and the like, are adjusted through preset test parameters, and then the electrical appliance of the automobile is tested through the output parameters, the high-speed power supply control module is used for supplying power to the automobile electrical appliance, rapidly switching the input voltage required by the automobile electrical appliance, conforming to the real-time voltage of the test parameters, simulating the power utilization condition of the automobile electrical appliance under different conditions, timely carrying out power conversion, realizing highly accurate and highly effective detection of the automobile electrical appliance, and rapidly acquiring the port information of the automobile electrical appliance, and compensating voltage difference to realize rapid switching of the power supply. The main power supply of the invention comprises the storage battery, which is used for simulating an electric vehicle and a gas-electric dual-purpose vehicle, so that the detection of the storage battery for the vehicle electrical appliance of the vehicle can also provide a standby power supply for an engine (a vehicle engine) and supply power to the vehicle electrical appliance in cooperation with the alternating current engine. The test of the automobile electrical appliance is realized.
The beneficial effects of the above technical scheme are: the invention provides a system for providing a high-speed power supply when an automobile electric appliance is tested; the invention can realize three power supplies of the automobile, and the commercial power supply is mainly used for automobile electrical appliance tests in automobile charging scenes. The storage battery is used for a scene test of the running of automobile electrical appliances of the electric automobile, and the engine is mainly used for a simulation test of the automobile. However, the vehicles we state in the patent include electric vehicles, natural gas vehicles and petroleum vehicles.
The system can be widely used relatively, and automobile manufacturers and maintenance shops can build the system to test the automobile electrical appliances.
Example 2:
in one embodiment, as shown in fig. 2, the power module comprises:
the power supply comprises the following components: the control switch is used for integrating the storage battery, the commercial power supply and the engine in parallel; wherein,
the control switch includes: a wireless remote switch, an air switch and a relay switch;
a current limiting unit: the current limiting device is used for setting a main power supply current upper limit value, and carrying out current limiting operation on a main power supply when a current value is detected to exceed the current upper limit value; wherein,
the main power supply consists of a storage battery, a mains supply and an engine;
a power adjusting unit: for regulating the output power of the main power supply by means of a power regulator in said main power supply.
The working principle of the technical scheme is as follows: the power supplies of the invention have three types, and the parallel integration has the function of synchronous power supply, superposition power supply and single power supply. Because it has a control switch inside for control.
In the prior art, since the engine of the automobile directly generates electricity when running, the upper limit value of the current is determined by the speed of the automobile. The excessive current charges the storage battery, and different electric appliances are provided with corresponding transformers and frequency converters to realize power regulation. However, if the battery is fully charged but the electric voltage adjusting device of the automobile is damaged, there is a problem in that the current is excessively high, which is a possibility of occurrence of flooding. The invention realizes the control of the output power parameters of the engine by carrying out current limiting, simulates the current scene and realizes the test of the automobile electrical appliance, but the invention also has the precondition that the voltage regulation equipment of the automobile is in failure, and the current limiting is carried out on the generating capacity of the engine at the moment, thereby preventing the electrical appliance from being damaged, and the invention is also the scene of the electrical appliance test. The power regulation is that conversion is generally needed when the automobile alternating current engine generates electricity, and the power regulation can be adapted to all automobile electrical equipment after the conversion.
The beneficial effects of the above technical scheme are: the invention has the function of preventing the current from being overlarge, prevents the current from burning the automobile electrical appliance by limiting the current, has the function of protecting the circuit, can quickly switch the output power of the main power supply by power regulation, and realizes the test under different conditions.
Example 3:
in one embodiment of the present invention,
: the voltage regulation module includes:
a test step module: the method comprises the steps of determining the automobile electrical appliances to be tested, and setting the voltage root mean square value of each automobile electrical appliance test; the invention firstly determines what the tested vehicle is, such as gasoline vehicle, natural gas vehicle, diesel vehicle, even different vehicles such as ambulance, fire engine, etc., then determines which the electric appliances on the vehicle are, and then determines the test parameters of the electric appliances, and the RMS value is set to represent the effective value, namely the value to be reached by each vehicle electric appliance when the test is carried out.
A data acquisition unit: the method is used for obtaining the root mean square value of the voltage of the automobile electrical appliance and determining the output parameters needing to be quickly exchanged in the test; wherein,
the output parameters include: output power, output voltage, output current and output line;
after the RMS value of the voltage is determined, the required output power, output voltage, output current and output lines of the corresponding main power supply are determined, the output lines are used for testing different electric appliances, and the invention can be connected with control systems of different automobile electric appliances through a plurality of regulators and can also be directly connected with the automobile electric appliances.
A data processing unit: the controller is used for determining the adjusting parameters of the adjuster according to the output parameters;
after the output parameters are determined, but the power of the main power supply is standard, for example, 220V is the main power supply, and at this time, the voltage is regulated by the regulator, and the regulator needs to regulate the parameters.
A regulation control unit: the main power supply is used for carrying out output regulation on the main power supply according to the regulation parameters to generate corresponding output parameters; wherein,
the output adjustment includes: phase adjustment, current adjustment, voltage adjustment, period adjustment, power adjustment, timing adjustment and power-off control;
these output adjustment values are illustrative in part, but not limiting in part, as they are specifically set according to the particular vehicle model.
The output parameters include: output current, output voltage, output power and output time.
The principle of the technical scheme is as follows: the invention determines the vehicle electrical appliance to be tested, i.e. how and what parameters to test, so the main purpose of this procedure is to determine the test parameters of the vehicle electrical appliance, the regulating parameters of the regulator and finally the output parameters of the main power supply.
The beneficial effects of the above technical scheme are that: the output parameters and the adjusting parameters can be calculated in advance and then the output of the main power supply can be realized in the test process according to different vehicles and matching with corresponding experiment strategies.
In the above process, further comprising:
step 1: the voltage regulation module obtains the voltage root mean square value V of the automobile electrical appliance through the following formular:
Wherein, VrRepresenting the root mean square of the voltage, M representing the load of the motor vehicle electrical appliance, i representing the number of said loads, v representing the voltage value of the motor vehicle electrical appliance load, viRepresents the ith load of the automobile electric appliance;
the root mean square of the voltage represents the capability of the automobile electrical appliance to supply the voltage required and the voltage consumed at the same time, so that the root mean square of the voltage can be used as a reference test parameter for determining the effective value of the automobile electrical appliance.
Step 2: and determining a corresponding adjusting parameter gamma according to the square root of the mean value:
where P denotes the difference between the voltage to be output by the main power supply and the present voltage, V0Representing to obtain an initial voltage value of the automobile electrical appliance; gamma is a regulation parameter, t is the time for which the main power supply switches voltage, and G is the magnetic fluxThe quantity is constant.
In the process, the voltage interpolation is firstly obtained, then the adjustment parameter is determined according to the integral equation of the voltage difference value within the conversion time t, and the electric quantity of the main power supply is determined according to the size of the adjustment parameter. When gamma is increased, the voltage value of the vehicle electric load is reduced, namely the output power of the alternating current motor is reduced, and when gamma is reduced, the voltage value of the vehicle electric load is increased, namely the output power of the alternating current motor is increased.
The beneficial effects of the above technical scheme are: most voltage regulators of automobiles cannot regulate the output voltage of an engine, but the voltage regulation module of the invention changes the output voltage of an alternating current engine to supply power to the electric appliances of the automobiles by acquiring the data of the electric appliances of the automobiles, which is difficult to realize at present.
Example 4:
in one embodiment of the present invention,
the high-speed power control module includes:
a detection unit: the system is used for detecting the main power supply and judging real-time parameters of the main power supply; wherein,
the real-time parameters include: real-time voltage, real-time current, real-time power, and real-time phase;
the detection of the real-time parameters of the main power supply is to facilitate the quick adjustment of the main power supply, and the real-time parameters are determined so that the real-time adjustment parameters can be quickly determined.
A conversion unit: the system is used for acquiring the output parameters and the implementation parameters, determining voltage values required by the automobile electrical appliances and generating corresponding conversion instructions;
the purpose of the conversion unit is to generate a corresponding command, which has the effect of determining the adjustment parameter, which may be in the form of a command, depending on the desired voltage value, i.e. the effective value.
A switching unit: and the voltage regulator is used for receiving the conversion instruction and responding to the conversion instruction through a corresponding regulator to regulate the voltage.
The working principle of the technical scheme is as follows: when the invention switches the output parameters of the high-speed power supply, generally, in the prior art, the regulation is realized through various compensating currents, conversion and transformation, a complex process is needed, and the invention is provided with a regulator and various different regulators, and the regulator can directly perform corresponding voltage regulation through the corresponding regulator and then realize output. From the physical control level, high-speed switching can be realized by only one step.
The beneficial effects of the above technical scheme are: when the automobile electrical appliance test is carried out, the voltage can be regulated, the high-speed power supply module can also realize the rapid regulation of the voltage, the AC motor can be connected seamlessly when the voltage is regulated, the time of the AC motor for converting the voltage is shortened, and the conversion efficiency is improved.
Example 5:
in one embodiment of the present invention,
the power supply constituent unit includes:
storage battery subunit: the system is used for storing electric energy of a mains supply and an engine and supplying power to the automobile electrical appliance when no mains supply and no engine generate electricity;
because the electric vehicle exists in the automobile, the test is realized through the storage battery under the condition that other power supplies are not provided, and the detection is carried out on the storage battery, because the electric vehicle is directly supplied with power by the storage battery, and the storage battery is also one of main electrical appliances for the test.
Battery sensor subunit: the system comprises a storage battery, a display panel, a power supply and a power supply, wherein the storage battery is used for monitoring state parameters of the storage battery in the test process of the automobile electrical appliance and sending the state parameters to the display panel of the automobile; wherein,
the state parameters include: real-time current value, real-time power supply voltage value, temperature value and residual electric quantity;
the sensor subunit is innovatively and independently arranged for the storage battery, the sensor comprises a temperature sensor and a current and voltage real-time detector, and the storage battery is monitored in real time.
A charging subunit: the system is used for acquiring the residual electric quantity of the storage battery and actively controlling the commercial power and the engine to charge the storage battery when the residual electric quantity is below a preset threshold value;
the residual electric quantity and the charging state of the storage battery are also one of main test items of the electric vehicle, so the invention also can set a preset threshold value, namely when the electric brightness is the lowest value, the storage battery is charged, and the storage battery can be ensured to be in a state capable of being tested at any time.
Protection circuit subunit: and the temperature control module is used for judging whether the temperature value reaches a preset threshold value according to the state parameters, and carrying out high-temperature alarm and cooling treatment.
The working principle of the technical scheme is as follows: the main components of the electric vehicle are generally independent detection when the storage battery is used, and the detection is not carried out after the storage battery is installed on the electric vehicle in the modern technology.
The beneficial effects of the above technical scheme are: the vehicle has increasingly higher performance requirements for the storage battery due to the fact that the storage battery has poor performance, the self-discharging effect of the previous storage battery is more and more serious due to long-time limitation, and the detection of the storage battery is quite simple. Compared with the prior art, the invention is a complete innovation, can effectively prevent the performance of the storage battery from weakening due to long-time limitation, and prolongs the service life of the storage battery.
Example 6:
in one embodiment of the present invention,
the appliance authentication module includes:
an ideal parameter acquisition unit: the system comprises a main power supply, a plurality of regulators, a plurality of controllers and a plurality of control devices, wherein the main power supply is used for supplying power to the controllers;
a system parameter acquisition unit: the system is used for connecting the electric power detector with an electronic control system of the automobile, determining real-time operation data of each automobile electrical appliance and outputting an operation waveform of each automobile electrical appliance; wherein, the car electronic control system includes at least: the system comprises a communication system, an engine electric control system, an anti-lock system, an automatic cruise system and a vehicle-mounted multimedia system;
a judging module: the device comprises a test data acquisition module, a data processing module and a data processing module, wherein the test data acquisition module is used for acquiring test reference data corresponding to the running waveforms of the automobile electrical appliances;
a performance judgment module: according to the judgment result, scoring the automobile electrical appliance to determine the automobile performance; wherein,
the scoring comprises: stability scoring, regulatory response scoring, autoregulation scoring, and blackout scoring.
The principle of the technical scheme is as follows: the invention needs to determine the ideal threshold value of each automobile electrical appliance when testing, the voltage root mean square value is only an effective value, the control threshold value according to the standard can be determined, and the control threshold value is the ideal working parameter threshold value, because of a plurality of regulators, the invention determines the test reference parameter through the regulating parameter of the regulator, thereby being more in line with the actual situation. When the electronic system of the automobile electric appliance is detected, the waveform can show the stability, and the conversion rate of the voltage at different adjusting moments and the real-time state of the automobile electric appliance after conversion can be determined. Therefore, when the performance is judged, the scoring can be carried out more quickly, and the automatic regulation scoring and the power-off prevention scoring can also be carried out according to the real-time state to realize different main power supply control.
The beneficial effects of the above technical scheme are that: the specific performance of each automobile electric appliance can be determined by scoring each automobile electric appliance of the automobile electronic system in multiple aspects.
Example 7:
in one embodiment of the present invention,
the system further comprises:
the automobile electrical appliance feedback module: the system comprises a data acquisition module, a data processing module and a fault code generation module, wherein the data acquisition module is used for acquiring test data, determining abnormal data in the test data, analyzing and processing the abnormal data and outputting the fault code; wherein,
as shown in fig. 3, the feedback module of the automotive electrical appliance comprises:
a processing command storage unit: the analysis strategy and the processing strategy are used for storing the abnormal data;
an information processing unit: for determining the status information of each vehicle electrical appliance according to the analysis and processing strategy
Unqualified electric appliance marking unit: the system comprises a state information database, a failure behavior database and a control module, wherein the state information database is used for storing state information of the automobile electrical appliances corresponding to the state information of the automobile electrical appliances; wherein,
the state information includes: voltage information, current information, temperature information, and real-time status information;
and when the state information is not in the preset fault behavior database, sending out a data abnormity warning and carrying out manual processing.
The working principle of the technical scheme is as follows: the automobile power failure feedback module is used for setting a failure behavior database corresponding to abnormal data in the test data, and when the state parameters of the automobile electrical appliances exceed a threshold value, corresponding processing strategies and analysis strategies can be called, so that different electrical appliances can be analyzed. The abnormal book is determined by correspondingly comparing data generated based on actual fault behaviors with test data. In the prior art, no similar technical scheme exists, because in the prior art, comprehensive detection of the automobile electric appliances based on actual conditions is impossible.
The beneficial effects of the above technical scheme are: according to the invention, the automobile power failure feedback module is used for filtering the state parameters of the automobile electrical appliance, and the filtered abnormal data is called to obtain the corresponding solution command for self-processing, so that the common problems of the automobile electrical appliance can be collected and summarized, the failure of the automobile electrical appliance can be quickly determined, whether the automobile electrical appliance is qualified or not can be quickly determined, and the automobile repair time can be greatly saved.
Example 8
In one embodiment of the present invention,
the automobile electrical appliance data feedback module is used for receiving automobile electrical appliance feedback information and carrying out intelligent adjustment according to the automobile electrical appliance feedback information; wherein,
the automobile electrical appliance data feedback module comprises:
automobile electric appliance voltage receiving unit: the system comprises a main power supply, a feedback module, a control module and a power supply module, wherein the feedback module is used for receiving feedback information of the automobile electrical appliance, generating an automatic adjusting instruction of the automobile electrical appliance and adjusting an output parameter of the main power supply according to the automatic adjusting instruction;
electric leakage data unit of automobile electrical appliance: the device is used for detecting the leakage value of the automobile electrical appliance, setting the upper limit value of the leakage, and stopping power supply when the leakage value of the automobile electrical appliance exceeds the preset upper limit value of the leakage.
The working principle of the technical scheme is as follows: the data feedback module of the automobile electrical appliance is used for receiving the feedback information of the automobile electrical appliance, and the automobile also comprises a communication system and an automatic adjusting system, so that the automatic compensation and the automatic adjusting capability of the automobile electronic system are considered during the design test, and the data feedback module of the automobile electrical appliance is used for verifying the automatic adjustment of the West safety for the automatic adjusting capability. The invention can also obtain the voltage value of the voltage supply device required by the automobile, and the voltage value regulates the voltage of the alternating current engine, when the automobile electrical appliance has electric leakage and the electric leakage exceeds the threshold value, the engine and the storage battery stop supplying power, and the data feedback module of the automobile electrical appliance feeds back the fault electrical appliance.
The beneficial effects of the above technical scheme are: according to the invention, the state parameters of the automobile electrical appliance are obtained through the automobile electrical appliance data feedback module, the automatic regulation capability of the automobile is detected by the Western's Security, the voltage value of the automobile electrical appliance is sent to the voltage regulation module to be regulated, and the leakage protection measure is carried out on the automobile electrical appliance, so that the automobile electrical appliance is ensured not to be damaged again, and the larger damage caused by the leakage is effectively prevented.
Example 9:
in one embodiment of the present invention,
the power module further includes:
a parallel control unit: the system is used for simultaneously controlling the storage battery, the commercial power supply and the engine to supply power to the automobile electrical appliances and carrying out voltage balance adjustment;
a control module: the system is used for sending a power supply instruction to the storage battery, the commercial power supply and the engine according to the test parameters; wherein,
the power supply instruction comprises a single power supply instruction and a combined power supply instruction;
secondary unit is retrieved to battery electric quantity: the electric quantity recycling device is used for recycling electric quantity through the storage battery when the engine and the commercial power supply power to the automobile electrical appliance.
The working principle of the technical scheme is as follows: the three power supplies of the invention can be controlled in parallel by the Siam, and balanced regulation is necessary in the process, otherwise, unbalanced voltage control occurs in the test. The control module sends out a power supply instruction according to the four-eye parameters to control independent power supply and combined power supply. The separate power supply is, for example, only engine power or battery power. The mains supply may only be present in the charging situation, or even in the case of charging a battery.
The recycling capability of the secondary battery power recycling unit is also the charging capability, but unlike simple charging, the recycling capability is the recycling of idle energy, because the invention is an experimental device and also has the requirement of environmental protection.
The beneficial effects of the above technical scheme are: the invention can be used for various controls of a power supply mode, can meet the requirement of environmental protection and can recover the limited energy.
Example 10:
in one embodiment:
the ac motor module system further comprises:
a voltage normal unit: the device is used for providing a normal voltage value for the automobile electrical appliance when the automobile electrical appliance is tested;
a power-off test unit: the power supply control device is used for controlling the main power supply to perform instant power failure when the automobile electrical appliance is tested;
a voltage recovery detection unit: when the automobile electrical appliance is tested, the automobile is set to be in a braking or sliding state, the output power of an engine of the alternating-current motor is improved, and the electric power recovery capability of the storage battery is detected;
voltage quick charge unit: the device is used for increasing the output voltage of the motor engine when the electric appliance test is carried out through a mains supply and the motor engine and if the storage battery is in an electric quantity loss state, rapidly charging the storage battery and carrying out charging detection;
voltage signal detection subunit: the device is used for detecting the voltages of the anode and the cathode of the storage battery, obtaining voltage signals, converting the voltage signals into digital signals and judging whether the storage battery is in fault or not; this is a necessary arrangement for each electric vehicle. However, it is a feature of the present invention that the conversion of the digital signal is graphical data, i.e., visual data.
Temperature signal detection subunit: the device is used for detecting the internal temperature of the storage battery IC, obtaining a temperature signal, converting the temperature signal into a digital signal and judging whether the temperature of the storage battery is abnormal or not.
The working principle of the technical scheme is as follows: the invention detects the voltage output by the AC engine, recovers the voltage when the automobile does not need to supply energy, and supplies energy to the automobile electrical appliance when the output voltage of the engine suddenly increases.
The beneficial effects of the above technical scheme are: the alternating current engine detects the output voltage, intelligently adjusts the voltage of the alternating current engine according to the automobile electrical appliance and the combination working condition, realizes energy conservation of the automobile power supply, does not need manual adjustment, and saves time. And the temperature signal detection is used for detecting the internal temperature of the storage battery IC, obtaining a temperature signal, converting the temperature signal into a digital signal, packaging the digital signal, sending the digital signal to the automobile power failure feedback module for data unpacking and information filtering, and reporting and processing abnormal data obtained through data filtering. The invention detects the parameters of the current, the voltage and the temperature of the storage battery and sends the detected state parameter information of the storage battery to the automobile power failure feedback module of the automobile, thereby helping the automobile to solve the automobile failure caused by the battery problem to the maximum extent.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A high speed power supply system for automotive electrical testing, comprising:
a power supply module: the device is used for providing a main power supply when the automobile electrical appliance is tested;
a voltage regulation module: the system is used for obtaining test parameters of the automobile electrical appliance, changing output parameters of a main power supply through a plurality of regulators and regulating the output parameters of the main power supply;
the high-speed power supply control module: the device is used for testing the automobile electrical appliance by rapidly switching the output voltage;
an electrical appliance verification module: the method is used for acquiring test data and judging the performance of the automobile electrical appliance.
2. A high speed power supply system for automotive electrical testing as claimed in claim 1, wherein said power supply module comprises:
the power supply comprises the following components: the control switch is used for integrating the storage battery, the commercial power supply and the engine in parallel; wherein,
the control switch includes: a wireless remote switch, an air switch and a relay switch;
a current limiting unit: the current limiting device is used for setting a main power supply current upper limit value, and carrying out current limiting operation on a main power supply when a current value is detected to exceed the current upper limit value; wherein,
the main power supply consists of a storage battery, a mains supply and an engine;
a power adjusting unit: for regulating the output power of the main power supply by means of a power regulator in said main power supply.
3. A high speed power supply system for automotive electrical testing as claimed in claim 1 wherein said voltage regulation module comprises:
a test step module: the method comprises the steps of determining the automobile electrical appliances to be tested, and setting the voltage root mean square value of each automobile electrical appliance test;
a data acquisition unit: the method is used for obtaining the root mean square value of the voltage of the automobile electrical appliance and determining the output parameters needing to be quickly exchanged in the test; wherein,
the output parameters include: output power, output voltage, output current and output line;
a data processing unit: the controller is used for determining the adjusting parameters of the adjuster according to the output parameters;
a regulation control unit: the main power supply is used for carrying out output regulation on the main power supply according to the regulation parameters to generate corresponding output parameters; wherein,
the output adjustment includes: phase adjustment, current adjustment, voltage adjustment, period adjustment, power adjustment, timing adjustment and power-off control;
the output parameters include: output current, output voltage, output power and output time.
4. A high speed power supply system for automotive electrical appliance testing as claimed in claim 1, wherein said high speed power supply control module comprises:
a detection unit: the system is used for detecting the main power supply and judging real-time parameters of the main power supply; wherein,
the real-time parameters include: real-time voltage, real-time current, real-time power, and real-time phase;
a conversion unit: the system is used for acquiring the output parameters and the real-time parameters, determining voltage values required by the automobile electrical appliances and generating corresponding conversion instructions;
a switching unit: and the voltage regulator is used for receiving the conversion instruction and responding to the conversion instruction through a corresponding regulator to regulate the voltage.
5. A high speed power supply system for automotive electrical appliance testing as claimed in claim 2, wherein said power supply unit comprises:
storage battery subunit: the system is used for storing electric energy of a mains supply and an engine and supplying power to the automobile electrical appliance when no mains supply and no engine generate electricity;
battery sensor subunit: the system comprises a storage battery, a display panel, a power supply and a power supply, wherein the storage battery is used for monitoring state parameters of the storage battery in the test process of the automobile electrical appliance and sending the state parameters to the display panel of the automobile; wherein,
the state parameters include: real-time current value, real-time power supply voltage value, temperature value and residual electric quantity;
a charging subunit: the system is used for acquiring the residual electric quantity of the storage battery and actively controlling the commercial power and the engine to charge the storage battery when the residual electric quantity is below a preset threshold value;
protection circuit subunit: and the temperature control module is used for judging whether the temperature value reaches a preset threshold value according to the state parameters, and carrying out high-temperature alarm and cooling treatment.
6. The high-speed power supply system for automotive electrical appliance testing of claim 1, wherein said electrical appliance verification module comprises:
an ideal parameter acquisition unit: the system comprises a main power supply, a plurality of regulators, a plurality of controllers and a plurality of control devices, wherein the main power supply is used for supplying power to the controllers;
a system parameter acquisition unit: the system is used for connecting the electric power detector with an electronic control system of the automobile, determining real-time operation data of each automobile electrical appliance and outputting an operation waveform of each automobile electrical appliance; wherein,
the automotive electronic control system at least comprises: the system comprises a communication system, an engine electric control system, an anti-lock system, an automatic cruise system and a vehicle-mounted multimedia system;
a judging module: the device comprises a test data acquisition module, a data processing module and a data processing module, wherein the test data acquisition module is used for acquiring test reference data corresponding to the running waveforms of the automobile electrical appliances;
a performance judgment module: according to the judgment result, scoring the automobile electrical appliance to determine the automobile performance; wherein,
the scoring comprises: stability scoring, regulatory response scoring, autoregulation scoring, and blackout scoring.
7. A high speed power supply system for automotive electrical testing as claimed in claim 1, wherein said system further comprises:
the automobile electrical appliance feedback module: the system comprises a data acquisition module, a data processing module and a fault code generation module, wherein the data acquisition module is used for acquiring test data, determining abnormal data in the test data, analyzing and processing the abnormal data and outputting the fault code; wherein,
the automobile electric appliance feedback module comprises:
a processing command storage unit: the analysis strategy and the processing strategy are used for storing the abnormal data;
an information processing unit: the system is used for determining the state information of each automobile electrical appliance according to the analysis strategy and the processing strategy;
unqualified electric appliance marking unit: the system comprises a state information database, a failure behavior database and a control module, wherein the state information database is used for storing state information of the automobile electrical appliances corresponding to the state information of the automobile electrical appliances; wherein,
the state information includes: voltage information, current information, temperature information, and real-time status information;
and when the state information is not in the preset fault behavior database, sending out a data abnormity warning and carrying out manual processing.
8. A high speed power supply system for automotive electrical testing as claimed in claim 1, wherein said system further comprises:
the automobile electrical appliance data feedback module is used for receiving automobile electrical appliance feedback information and carrying out intelligent adjustment according to the automobile electrical appliance feedback information; wherein,
the automobile electrical appliance data feedback module comprises:
automobile electric appliance voltage receiving unit: the system comprises a main power supply, a feedback module, a control module and a power supply module, wherein the feedback module is used for receiving feedback information of the automobile electrical appliance, generating an automatic adjusting instruction of the automobile electrical appliance and adjusting an output parameter of the main power supply according to the automatic adjusting instruction;
electric leakage data unit of automobile electrical appliance: the device is used for detecting the leakage value of the automobile electrical appliance, setting the upper limit value of the leakage, and stopping power supply when the leakage value of the automobile electrical appliance exceeds the preset upper limit value of the leakage.
9. A high speed power supply system for automotive electrical testing as claimed in claim 1, wherein said power supply module further comprises:
a parallel control unit: the system is used for simultaneously controlling the storage battery, the commercial power supply and the engine to supply power to the automobile electrical appliances and carrying out voltage balance adjustment;
a control module: the system is used for sending a power supply instruction to the storage battery, the commercial power supply and the engine according to the test parameters; wherein,
the power supply instruction comprises a single power supply instruction and a combined power supply instruction;
secondary unit is retrieved to battery electric quantity: the electric quantity recycling device is used for recycling electric quantity through the storage battery when the engine and the commercial power supply power to the automobile electrical appliance.
10. A high speed power supply system for automotive electrical testing as claimed in claim 1, wherein said system further comprises:
a voltage normal unit: the device is used for providing a normal voltage value for the automobile electrical appliance when the automobile electrical appliance is tested;
a power-off test unit: the power supply control device is used for controlling the main power supply to perform instant power failure when the automobile electrical appliance is tested;
a voltage recovery detection unit: when the automobile electrical appliance is tested, the automobile is set to be in a braking or sliding state, the output power of the alternating current engine is improved, and the electric power recovery capability of the storage battery is detected;
voltage quick charge unit: the device is used for increasing the output voltage of the engine when the electric appliance test is carried out through a mains supply and the engine and if the storage battery is in an electric quantity loss state, rapidly charging the storage battery and carrying out charging detection;
voltage signal detection subunit: the device is used for detecting the voltages of the anode and the cathode of the storage battery, obtaining voltage signals, converting the voltage signals into digital signals and judging whether the storage battery is in fault or not;
temperature signal detection subunit: the device is used for detecting the internal temperature of the storage battery IC, obtaining a temperature signal, converting the temperature signal into a digital signal and judging whether the temperature of the storage battery is abnormal or not.
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