CN114076839B - A high-speed power supply system for automotive electrical testing - Google Patents
A high-speed power supply system for automotive electrical testing 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
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
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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
本发明提供了一种用于汽车电器试验的高速电源系统，包括：电源模块：用于在汽车电器进行试验时提供主电源；电压调节模块：用于获取汽车电器的试验参数，并通过多个调节器改变主电源的输出参数，调节主电源的输出参数；高速电源控制模块：用于通过对所述输出电压进行快速切换，对汽车电器进行试验；电器验证模块：用于获取试验数据，判断汽车电器的性能。本发明提供了一个对汽车电器进行试验时提供高速电源的系统；本发明可以实现汽车的三种电源，市电电源主要用于汽车充电场景的汽车电器试验。蓄电池用于电动汽车的汽车电器在运行时的场景试验，发动机，发动机主要是用于汽用车的模拟试验。
The present invention provides a high-speed power supply system for testing automotive electrical appliances, including: a power supply module: used to provide main power when testing automotive electrical appliances; a voltage regulation module: used to obtain test parameters of automotive electrical appliances, and change the output parameters of the main power supply through multiple regulators to adjust the output parameters of the main power supply; a high-speed power supply control module: used to test automotive electrical appliances by quickly switching the output voltage; an electrical appliance verification module: used to obtain test data and judge the performance of automotive electrical appliances. The present invention provides a system for providing high-speed power when testing automotive electrical appliances; the present invention can realize three power sources for automobiles, and the mains power supply is mainly used for automotive electrical appliance testing in automotive charging scenarios. The battery is used for scenario testing of automotive electrical appliances in electric vehicles during operation, and the engine is mainly used for simulation testing of automobiles.
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 demands of people on automobile operability, comfort and entertainment are higher and higher, and the electronic equipment on the automobile is rapidly increased, so that the controllers of the automobile, which need a stable power supply, are increased, and the power consumption is greatly improved, thereby providing new requirements for automobile power supply appliances; automotive appliances include navigation system appliances for automobiles, anti-lock electric systems, floor control systems, engines or engine units, automotive electronic systems and multimedia systems. The system comprises various electric appliances, the electric appliances are required to be strictly detected before leaving a factory, the existing detection technology mainly detects raw materials, but if the whole car is finished, the conventional test or detection is manually carried out, the car is good as long as the surface is normal, the electric appliances of the car can be suddenly powered off when running, the electric quantity of a battery main power supply is insufficient, a car driver carries out quick electric appliance switching or frequency adjustment, the manual conventional test of the car cannot be carried out, the electric appliances of the car are quite many, the manual detection always cannot be detected and is inaccurate, and the time is particularly spent, so the test system is suddenly lacking, the whole car detection can be realized, the automatic detection of the electric appliances of the car is controlled through a preset experimental strategy, and the stability of the electric appliances of the car in a scene is judged. And can realize high-speed switching of power, be convenient for detect fast to different car electrical apparatus, also can detect car electrical apparatus's raw materials (the finished product raw materials, be under the state of an electrical apparatus already) 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 above situation.
A high-speed power supply system for automotive electrical testing, comprising:
and a power supply module: the device is used for providing a main power supply when an automobile electrical appliance is tested;
And a voltage regulating module: is used for acquiring the test parameters of the automobile electric appliance, the output parameters of the main power supply are changed through a plurality of regulators, and the output parameters of the main power supply are regulated;
High-speed power control module: the test device is used for testing the automobile electrical appliance by rapidly switching the output voltage;
And the electric appliance verification module is used for: 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 power supply device is used for integrating a storage battery, a mains supply and an engine in parallel through a control switch; wherein,
The control switch includes: wireless remote switch, air switch and relay switch;
A current limiting unit: the current limiting device is used for setting the current upper limit value of the main power supply, and performing current limiting operation on the main power supply when the 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;
And a power adjustment 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:
And a test step module: the method comprises the steps of determining automobile appliances to be tested, and setting a voltage root mean square value of each automobile appliance test;
A data acquisition unit: the method comprises the steps of obtaining a voltage root mean square value of an automobile electrical appliance, and determining an output parameter which needs to be quickly exchanged in a test; wherein,
The output parameters include: output power, output voltage, output current and output line;
a data processing unit: for determining an adjustment parameter of the regulator based on the output parameter;
and an adjustment control unit: the main power supply is used for carrying out output adjustment on the main power supply according to the adjustment 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, output time.
As an embodiment of the present invention: the high-speed power control module includes:
and a detection unit: the real-time parameter detection module is used for detecting the main power supply and judging the real-time parameter 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 method comprises the steps of obtaining output parameters and implementation parameters, determining voltage values required by automobile electric appliances, and generating corresponding conversion instructions;
and 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 composition unit includes:
battery subunit: for storing electric energy of a mains supply and an engine and for supplying said automotive electric appliances when no mains supply and no engine are generating electricity;
Battery sensor subunit: the system is used for monitoring state parameters of the storage battery in the automobile electrical appliance test process and sending the state parameters to a 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;
charging subunit: the method comprises the steps of acquiring the residual electric quantity of a storage battery, and actively controlling the commercial power and an engine to charge the storage battery when the residual electric quantity is below a preset threshold value and performing a test;
protection circuit subunit: and the temperature sensor 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:
Ideal parameter acquisition unit: the method comprises the steps of obtaining adjustment parameters of a plurality of regulators of a main power supply, determining an ideal working parameter threshold of an automobile electric appliance according to the adjustment parameters, and taking the ideal working parameter threshold as test reference data;
System parameter acquisition unit: for connecting the power detector with the electronic control system of the automobile, determining real-time operation data of each automobile electric appliance, and outputting operation waveforms of each automobile electric appliance; wherein, the automobile electronic control system at least comprises: the system comprises a communication system, an engine electronic control system, an anti-lock system, an automatic cruising system and a vehicle-mounted multimedia system;
and a judging module: the method comprises the steps of determining state parameters corresponding to running waveforms of each automobile electric appliance, judging whether the state parameters are within test reference data corresponding to the automobile electric appliances, and outputting a judging result;
And a performance judging module: scoring the automobile electrical appliance according to the judging result to determine the automobile performance; wherein,
The scoring includes: stability score, regulatory response score, autoregulation score, and outage prevention score.
As an embodiment of the present invention: the system further comprises:
And the automobile electrical appliance feedback module: the method comprises the steps of acquiring test data, determining abnormal data in the test data, analyzing and processing the abnormal data, and outputting fault codes; wherein,
The automobile electrical appliance feedback module comprises:
A process command storage unit: the analysis strategy and the processing strategy corresponding to the abnormal data are stored;
an information processing unit: for determining status information of each automotive appliance based on the analysis and processing policies and the processing policies
Unqualified electrical appliance marking unit: the method comprises the steps of judging whether the state information is in a preset fault behavior database according to the state information, and marking the automobile electric appliance corresponding to the state information in the fault behavior database as a disqualified electric appliance; wherein,
The status 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 abnormality warning, and carrying out manual processing.
As an embodiment of the present invention: the system further comprises: the automobile electric appliance data feedback module is used for receiving automobile electric appliance feedback information and performing intelligent adjustment according to the automobile electric appliance feedback information; wherein,
The automobile electrical appliance data feedback module comprises:
Automobile electrical appliance voltage receiving unit: the automatic control device is used for receiving feedback information of the automobile electric appliance, generating an automatic adjustment instruction of the automobile electric appliance, and adjusting output parameters of a main power supply according to the automatic adjustment instruction;
Automobile electrical appliance leakage data unit: the method is used for detecting the leakage value of the automobile electric appliance, setting the upper leakage limit value, and stopping power supply when the leakage value of the automobile electric appliance exceeds the preset upper leakage limit value.
As an embodiment of the present invention: the power module further includes:
parallel control unit: the device is used for simultaneously controlling the storage battery, the mains supply and the engine to supply power to the automobile electrical appliance and carrying out voltage balance adjustment;
and the control module is used for: the power supply device is used for sending power supply instructions to the storage battery, the mains 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;
A secondary unit for recovering the electric quantity of the storage battery: the electric quantity recovery device is used for carrying out electric quantity recovery operation through the storage battery when the engine and the commercial power belt energy source are used for supplying power to the automobile electric appliance.
As an embodiment of the present invention: the system further comprises:
A voltage normal unit: the method is used for providing a normal voltage value for the automobile electrical appliance when the automobile electrical appliance is tested;
And (3) a power-off test unit: when the automobile electric appliance is tested, the main power supply is controlled to perform instant power failure;
voltage recovery detection unit: when the automobile electric 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 capacity of the storage battery is detected;
and a voltage fast charging unit: when the electric appliance test is carried out through the mains supply and the engine, if the storage battery is in an electric quantity loss state, the output voltage of the engine is increased, the storage battery is rapidly charged, and charging detection is carried out;
A voltage signal detection subunit: the method comprises the steps of detecting the voltage of the anode and the cathode of a storage battery, obtaining a voltage signal, converting the voltage signal into a digital signal, and judging whether the storage battery has a fault or not;
A temperature signal detection subunit: and the temperature sensor 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.
The invention has the beneficial effects that: the invention provides a system for providing high-speed power supply when testing automobile electric appliances; the invention can realize three power supplies of the automobile, and the mains supply is mainly used for automobile electric appliance tests of automobile charging scenes. The storage battery is used for a scene test of an electric automobile when an automobile electric appliance runs, and the engine is mainly used for a simulation test of the automobile. However, in the patent we state that automobiles include electric automobiles, natural gas automobiles, and petroleum automobiles.
The system can be widely used relatively, an automobile manufacturer and a maintenance shop can build the system of the invention to test automobile electric appliances, the invention can quickly adjust the output electric power parameters to simulate any electric power state to test the automobile electric appliances, the voltage power supply requirements of all the automobile electric appliances are met, the power supply voltage is quickly switched, the automobile electric appliances can be quickly switched when the voltage is switched, the switching transmission can be effectively completed, and the system can have enough voltage conversion speed and enough voltage specification when the automobile electric appliances are tested, so that the system can meet the performance test of the automobile electric appliances in various different scenes.
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 may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a high-speed power supply system for automotive electrical testing in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a power module of a high-speed power system for automotive electrical testing according to an embodiment of the present invention;
Fig. 3 is a schematic diagram of an automotive electrical feedback module of a high-speed power system for automotive electrical testing according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1:
as shown in fig. 1, the present invention is a high-speed power supply system for automobile electric appliance test, comprising:
and a power supply module: the device is used for providing a main power supply when an automobile electrical appliance is tested;
And a voltage regulating module: is used for acquiring the test parameters of the automobile electric appliance, the output parameters of the main power supply are changed through a plurality of regulators, and the output parameters of the main power supply are regulated;
High-speed power control module: the test device is used for testing the automobile electrical appliance by rapidly switching the output voltage;
And the electric appliance verification module is used for: 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: because in the prior art, the engine crankshaft is driven by the belt when the engine is adopted in the automobile, the phenomena of low output power and low efficiency of the engine, poor battery searching performance and unstable output exist, when the automobile is powered, the voltage is not easy to quickly adjust, the automobile electric appliance cannot be driven under some extreme conditions or is easy to overflow, the automobile electric appliance cannot be detected in the prior art, the performance of the automobile electric appliance in the state is determined, and the electric automobile or the electric dual-purpose automobile is powered by the storage battery, so the detection of the storage battery is very important. Automotive appliances are important parts of automobiles, so that tests before departure are also important. In the prior art, the test is generally performed after the automobile is manufactured, and if the automobile is damaged, the automobile is detached, and the equipment is replaced with a time and labor consuming mode. Therefore, a power supply system which can be used for testing automobile electric appliances without manufacturing the automobile and can meet various use situations of the automobile is indispensable.
Therefore, according to the invention, the detection of the automobile electric appliances can be realized through three voltages, namely, a mains supply, a storage battery and an engine, namely, the engine of the automobile, the output parameters of the main power supply of the automobile are regulated through preset test parameters, including conditions of output voltage, output current, output power, unstable output, undervoltage output and the like, and then the electric appliances of the automobile are tested through the power supply modules, and the high-speed power supply control module is used for rapidly switching the input voltage required by the automobile electric appliances when the automobile electric appliances are supplied with power, and is in line with the real-time voltage of the test parameters, so that the power utilization condition of the automobile electric appliances under different conditions can be simulated, and the power conversion can be timely carried out, thereby realizing the highly accurate and highly effective automobile electric appliance detection, namely, rapidly acquiring the port information of the automobile electric appliances, carrying out voltage compensation difference and realizing the rapid power supply switching. The main power supply of the invention comprises a storage battery, which is used for simulating an electric vehicle and a gas-electric dual-purpose vehicle, and realizing that the storage battery for detecting the electric appliances of the vehicle can also provide a standby power supply for an engine (automobile engine) and supply power to the electric appliances of the vehicle in cooperation with an alternating-current engine. The test of the automobile electrical appliance is realized.
The beneficial effects of the technical scheme are as follows: the invention provides a system for providing high-speed power supply when testing automobile electric appliances; the invention can realize three power supplies of the automobile, and the mains supply is mainly used for automobile electric appliance tests of automobile charging scenes. The storage battery is used for a scene test of an electric automobile when an automobile electric appliance runs, and the engine is mainly used for a simulation test of the automobile. However, in the patent we state that automobiles include electric automobiles, natural gas automobiles, and petroleum automobiles.
The system can be widely used relatively, an automobile manufacturer and a maintenance shop can build the system of the invention to test automobile electric appliances, the invention can quickly adjust the output electric power parameters to simulate any electric power state to test the automobile electric appliances, the voltage power supply requirements of all the automobile electric appliances are met, the power supply voltage is quickly switched, the automobile electric appliances can be quickly switched when the voltage is switched, the switching transmission can be effectively completed, and the system can have enough voltage conversion speed and enough voltage specification when the automobile electric appliances are tested, so that the system can meet the performance test of the automobile electric appliances in various different scenes.
Example 2:
in one embodiment, as shown in fig. 2, the power module includes:
The power supply comprises the following components: the power supply device is used for integrating a storage battery, a mains supply and an engine in parallel through a control switch; wherein,
The control switch includes: wireless remote switch, air switch and relay switch;
A current limiting unit: the current limiting device is used for setting the current upper limit value of the main power supply, and performing current limiting operation on the main power supply when the 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;
And a power adjustment 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 supply of the invention has three functions of parallel integration, and is used for synchronous power supply, superposition power supply and single power supply. Because it has a control switch inside to control.
In the prior art, since the engine of an automobile is directly generating electricity while running, the upper limit value of the current at this time is determined by the speed of the automobile. The excess current charges the storage battery, and different electric appliances are provided with corresponding transformers and frequency converters to realize power adjustment. However, if the battery is full, but the electric voltage regulating device of the automobile is damaged, there is a problem in that the current is excessively high, which may overflow. The prior art does not have a deep solution to the problem, but the invention realizes the control of the output power parameters of the engine, simulates the current scene and realizes the test of the automobile electric appliance by limiting the current, but the invention is also a precondition, and mainly has the defect that the voltage regulating equipment of the automobile breaks down when the power generation capacity of the engine is limited, so that the damage of the electric appliance is prevented, and the invention is also a scene of the electric appliance test. The power regulation is that the automobile alternating-current engine is generally required to be converted when generating electricity, and all automobile electrical equipment can be adapted after the conversion.
The beneficial effects of the technical scheme are as follows: the invention has the function of preventing the overlarge current, prevents the overlarge current from burning the automobile electric appliance by limiting the current, has the function of protecting a circuit, and can rapidly switch the output power of the main power supply by power adjustment so as to realize tests under different conditions.
Example 3:
in one embodiment of the present invention, in one embodiment,
: The voltage regulation module includes:
and a test step module: the method comprises the steps of determining automobile appliances to be tested, and setting a voltage root mean square value of each automobile appliance test; the invention will first determine what the vehicle being tested is, such as a gasoline, natural gas, diesel, or even a dissimilar vehicle such as an ambulance, fire engine, etc., then determine which of the appliances on the vehicle are, then determine their test parameters, and set the rms value of the voltage to represent the effective value, i.e., the value that each car appliance is to reach when the test is performed.
A data acquisition unit: the method comprises the steps of obtaining a voltage root mean square value of an automobile electrical appliance, and determining an output parameter which needs to be quickly exchanged in a test; wherein,
The output parameters include: output power, output voltage, output current and output line;
After the voltage root mean square value is determined, the corresponding main power supply needs to output power, output voltage, output current and output circuits, and the output circuits are determined because different electric appliances are tested.
A data processing unit: for determining an adjustment parameter of the regulator based on the output parameter;
after the output parameter is determined, but the power of the mains is standard, e.g. 220V for mains, the invention then adjusts the voltage by means of a regulator, which is required to adjust the parameter.
And an adjustment control unit: the main power supply is used for carrying out output adjustment on the main power supply according to the adjustment 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 invention values are illustrative of a portion, but are not limited to this portion, as the settings are specific to a particular vehicle model.
The output parameters include: output current, output voltage, output power, output time.
The principle of the technical scheme is as follows: the invention determines the automobile electric appliance to be tested, namely, how and what parameters to test, so the main purpose of the flow is to determine the test parameters of the automobile electric appliance, the adjustment parameters of the regulator and the output parameters of the final main power supply.
The beneficial effects of the technical scheme are that: according to different vehicles and matching with corresponding experimental strategies, output parameters and adjustment parameters in the experimental process can be calculated in advance, and then the output of the main power supply is realized.
In the above process, further comprising:
step 1: the voltage regulating module obtains a voltage root mean square value Vr of the automobile electrical appliance through the following steps:
wherein V r represents the root mean square of the voltage, M represents the load of the automobile electric appliance, i represents the number of the loads, V represents the voltage value of the load of the automobile electric appliance, and V i represents the ith load of the automobile electric appliance;
The root mean square of the voltage represents the capability of the automobile electric appliance to need the voltage and consume the voltage at the same moment, so that the root mean square of the voltage can be used as a test parameter for determining the effective value of the automobile electric appliance and used as a reference.
Step 2: determining a corresponding adjusting parameter gamma according to the square root of the mean value:
Wherein P represents the voltage to be output by the main power supply and the current voltage difference value, and V 0 represents the initial voltage value of the automobile electric appliance; gamma denotes a regulation parameter, t denotes a time for which the main power supply converts the voltage, G denotes a magnetic flux, and is a constant.
In the process, the invention firstly acquires voltage interpolation, then determines the adjustment parameters according to the integral equation of the voltage difference value within the conversion time t, and determines the electric quantity of the main power supply according to the adjustment parameters. When gamma increases, the voltage value representing the load of the automobile electric appliance decreases, that is, the alternating current engine decreases the output power, and when gamma decreases, the voltage value representing the load of the automobile electric appliance increases, that is, the alternating current engine increases the output power.
The beneficial effects of the technical scheme are as follows: most voltage regulators of automobiles cannot regulate the output voltage of an engine, and the voltage regulating module changes the output voltage of an alternating current engine to supply power to the automobile electric appliances by acquiring the data of the automobile electric appliances, which is difficult to realize in the existing automobiles, and the voltage regulating module has simple data processing and can also realize algorithm updating and resetting.
Example 4:
in one embodiment of the present invention, in one embodiment,
The high-speed power control module includes:
and a detection unit: the real-time parameter detection module is used for detecting the main power supply and judging the real-time parameter 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 real-time parameters of the main power supply are detected so as to be convenient for quickly adjusting the main power supply, and the real-time parameters are determined so as to quickly determine the real-time adjusting parameters.
A conversion unit: the method comprises the steps of obtaining output parameters and implementation parameters, determining voltage values required by automobile electric appliances, and generating corresponding conversion instructions;
The purpose of the conversion unit is to generate a corresponding command whose function is to determine the adjustment parameters, which are present in the form of commands, as a function of the desired voltage value, i.e. the effective value.
And 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 output parameters of the high-speed power supply are switched, the invention generally realizes adjustment through various compensation currents, conversion and transformation in the prior art, requires a complex process, the invention has a regulator, and various regulators, through which the corresponding voltage regulation can be directly carried out by the corresponding regulator, and then the output is realized. From the physical control level, high-speed switching can be realized by only one step.
The beneficial effects of the technical scheme are as follows: when the automobile electric appliance test is carried out, the invention not only can carry out voltage regulation, but also can realize quick voltage regulation through the high-speed power supply module, so that the AC engine can be connected in a seamless way when the voltage regulation is carried out, the time of the AC engine when the voltage is converted is shortened, and the conversion efficiency is improved.
Example 5:
in one embodiment of the present invention, in one embodiment,
The power supply composition unit includes:
battery subunit: for storing electric energy of a mains supply and an engine and for supplying said automotive electric appliances when no mains supply and no engine are generating electricity;
Because the electric vehicle exists in the automobile, the invention realizes the test through the storage battery under the condition that other power supplies are not all used, and the storage battery is also detected, so that the electric vehicle is directly powered by the storage battery, and the storage battery is one of main electric appliances for the test.
Battery sensor subunit: the system is used for monitoring state parameters of the storage battery in the automobile electrical appliance test process and sending the state parameters to a 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 independently arranged for the storage battery, and the sensor comprises a temperature sensor and a current and voltage real-time detector, so that the storage battery can be monitored in real time.
Charging subunit: the method comprises the steps of acquiring the residual electric quantity of a storage battery, and actively controlling the commercial power and an engine to charge the storage battery when the residual electric quantity is below a preset threshold value and performing a test;
the residual electric quantity and the charging state of the storage battery are also one of the main test items of the electric vehicle, so the invention also sets a preset threshold, namely, when the electric brightness is the lowest value, the storage battery is charged, and the storage battery is ensured to be in a state capable of carrying out the test at any time.
Protection circuit subunit: and the temperature sensor 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 independently detected when the power battery is detected in the modern technology when the electric vehicle is used for storing the battery, and the electric vehicle can not be detected after being mounted on the electric vehicle.
The beneficial effects of the technical scheme are as follows: as the performance of the storage battery is poor, the automobile faults are more and more caused, the performance requirement of the vehicle on the storage battery is gradually improved, the self-discharge 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. The invention is a complete innovation relative to the prior art, can effectively prevent the storage battery from weakening performance due to long-time limitation and prolong the service life of the storage battery.
Example 6:
in one embodiment of the present invention, in one embodiment,
The appliance authentication module includes:
Ideal parameter acquisition unit: the method comprises the steps of obtaining adjustment parameters of a plurality of regulators of a main power supply, determining an ideal working parameter threshold of an automobile electric appliance according to the adjustment parameters, and taking the ideal working parameter threshold as test reference data;
System parameter acquisition unit: for connecting the power detector with the electronic control system of the automobile, determining real-time operation data of each automobile electric appliance, and outputting operation waveforms of each automobile electric appliance; wherein, the automobile electronic control system at least comprises: the system comprises a communication system, an engine electronic control system, an anti-lock system, an automatic cruising system and a vehicle-mounted multimedia system;
and a judging module: the method comprises the steps of determining state parameters corresponding to running waveforms of each automobile electric appliance, judging whether the state parameters are within test reference data corresponding to the automobile electric appliances, and outputting a judging result;
And a performance judging module: scoring the automobile electrical appliance according to the judging result to determine the automobile performance; wherein,
The scoring includes: stability score, regulatory response score, autoregulation score, and outage prevention score.
The principle of the technical scheme is as follows: the invention needs to determine the ideal threshold value of each automobile electric appliance when the test is carried out, the voltage root mean square value is only one effective value, the control threshold value based on the standard can be determined, and the control threshold value is the ideal working parameter threshold value, because a plurality of regulators are arranged, the invention determines the test reference parameter through the regulating parameters of the regulators, and the invention is more in line with the actual situation. The invention detects the waveform when detecting the electronic system of the automobile electric appliance, the waveform can see 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 grading can be carried out more quickly, and the automatic adjustment grading and the power failure prevention grading can also be realized by different main power supply control according to the real-time state.
The beneficial effects of the technical scheme are that: the specific performance of each automotive appliance can be determined by scoring each automotive appliance of the automotive electronics system in multiple aspects.
Example 7:
in one embodiment of the present invention, in one embodiment,
The system further comprises:
And the automobile electrical appliance feedback module: the method comprises the steps of acquiring test data, determining abnormal data in the test data, analyzing and processing the abnormal data, and outputting fault codes; wherein,
As shown in fig. 3, the automotive electrical feedback module includes:
A process command storage unit: the analysis strategy and the processing strategy corresponding to the abnormal data are stored;
an information processing unit: for determining status information of each automotive appliance based on the analysis and processing policies and the processing policies
Unqualified electrical appliance marking unit: the method comprises the steps of judging whether the state information is in a preset fault behavior database according to the state information, and marking the automobile electric appliance corresponding to the state information in the fault behavior database as a disqualified electric appliance; wherein,
The status 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 abnormality warning, and carrying out manual processing.
The working principle of the technical scheme is as follows: the automobile power supply fault feedback module can call corresponding processing strategies and analysis strategies to analyze different electric appliances by setting a fault behavior database corresponding to abnormal data in test data when state parameters of the automobile electric appliances exceed a threshold value. The abnormal books are correspondingly compared and determined based on data generated by actual fault behaviors and test data. In the prior art, a similar technical scheme does not exist, because in the prior art, comprehensive detection of automobile electric appliances based on actual conditions is impossible.
The beneficial effects of the technical scheme are as follows: according to the invention, the state parameters of the automobile electric appliance are filtered through the automobile power supply fault feedback module, and the filtered abnormal data are retrieved to correspond to the solving command for self-processing, so that the common problems of the automobile electric appliance can be collected and summarized, the faults of the automobile electric appliance are rapidly determined to be qualified, and the automobile repair time can be greatly saved.
Example 8
In one embodiment of the present invention, in one embodiment,
The automobile electric appliance data feedback module is used for receiving automobile electric appliance feedback information and performing intelligent adjustment according to the automobile electric appliance feedback information; wherein,
The automobile electrical appliance data feedback module comprises:
Automobile electrical appliance voltage receiving unit: the automatic control device is used for receiving feedback information of the automobile electric appliance, generating an automatic adjustment instruction of the automobile electric appliance, and adjusting output parameters of a main power supply according to the automatic adjustment instruction;
Automobile electrical appliance leakage data unit: the method is used for detecting the leakage value of the automobile electric appliance, setting the upper leakage limit value, and stopping power supply when the leakage value of the automobile electric appliance exceeds the preset upper leakage limit value.
The working principle of the technical scheme is as follows: the automobile electric appliance data feedback module is used for receiving feedback information of an automobile electric appliance, and because the automobile also comprises a communication system and an automatic adjusting system, the invention also considers the automatic compensation and automatic adjusting capability of an automobile electronic system when designing and testing, and the invention sets the automatic adjusting verification of the automobile electric appliance data feedback module for the automatic adjusting capability. The invention can also obtain the voltage value of the power supply needed by the automobile, regulate the voltage of the alternating current engine by the voltage value, stop the power supply of the engine and the storage battery when the electric leakage condition of the automobile electric appliance occurs and exceeds a threshold value, and feed back the fault electric appliance by the data feedback module of the automobile electric appliance.
The beneficial effects of the technical scheme are as follows: the invention obtains the state parameters of the automobile electric appliance through the automobile electric appliance data feedback module, detects the automatic adjusting capability of the automobile, sends the voltage value of the automobile electric appliance to the voltage adjusting module for adjustment, and performs leakage protection measures on the automobile electric appliance, thereby ensuring that the automobile electric appliance cannot be destroyed again and effectively preventing larger damage caused by leakage.
Example 9:
in one embodiment of the present invention, in one embodiment,
The power module further includes:
parallel control unit: the device is used for simultaneously controlling the storage battery, the mains supply and the engine to supply power to the automobile electrical appliance and carrying out voltage balance adjustment;
and the control module is used for: the power supply device is used for sending power supply instructions to the storage battery, the mains 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;
A secondary unit for recovering the electric quantity of the storage battery: the electric quantity recovery device is used for carrying out electric quantity recovery operation through the storage battery when the engine and the commercial power belt energy source are used for supplying power to the automobile electric appliance.
The working principle of the technical scheme is as follows: the three power supplies of the present invention may be controlled in parallel, and must be regulated in balance during this process, or voltage control imbalance occurs during the test. The control module sends out a power supply command according to the four-eye parameters to control the independent power supply and the combined power supply. The power supply alone is, for example, only engine power or battery power. The mains supply can only be present in a charging situation or in a situation where the battery is charged.
The recovery capacity of the secondary battery power recovery unit, i.e. the charging capacity, is, unlike simple charging, a recovery of idle energy, since the invention is after all an experimental device, and also has environmental requirements.
The beneficial effects of the technical scheme are as follows: the invention can be controlled in various modes, and can meet the environmental protection requirement and recycle the limited energy.
Example 10:
In one embodiment:
The ac motor module system further includes:
A voltage normal unit: the method is used for providing a normal voltage value for the automobile electrical appliance when the automobile electrical appliance is tested;
And (3) a power-off test unit: when the automobile electric appliance is tested, the main power supply is controlled to perform instant power failure;
voltage recovery detection unit: when the automobile electric appliance is tested, the automobile is set to be in a braking or sliding state, the output power of an alternating current motor engine is improved, and the power recovery capacity of the storage battery is detected;
and a voltage fast charging unit: when the electric appliance test is carried out through the mains supply and the motor engine, if the storage battery is in an electric quantity loss state, the output voltage of the motor engine is increased, the storage battery is rapidly charged, and charging detection is carried out;
A voltage signal detection subunit: the method comprises the steps of detecting the voltage of the anode and the cathode of a storage battery, obtaining a voltage signal, converting the voltage signal into a digital signal, and judging whether the storage battery has a fault or not; this is a necessary setting for each electric vehicle. However, the conversion of a digital signal, which is chart data, i.e. visual data, is a feature of the present invention.
A temperature signal detection subunit: and the temperature sensor 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.
The working principle of the technical scheme is as follows: the invention detects the voltage output by the alternating current engine, recovers the voltage when the automobile does not need to be powered, and supplies power to the automobile electric appliance when the output voltage of the engine is suddenly increased.
The beneficial effects of the technical scheme are as follows: the alternating current engine detects the output voltage, intelligently adjusts the voltage of the alternating current engine according to the automobile electric appliance and the combined working condition, realizes energy saving of an 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 into data, sending the data to the automobile power failure feedback module for data unpacking and information filtering, and obtaining abnormal data through data filtering for reporting and processing. 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 modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A high-speed power supply system for automotive electrical testing, comprising:
and a power supply module: the device is used for providing a main power supply when an automobile electrical appliance is tested;
And a voltage regulating module: is used for acquiring the test parameters of the automobile electric appliance, the output parameters of the main power supply are changed through a plurality of regulators, and the output parameters of the main power supply are regulated;
High-speed power control module: the device is used for testing the automobile electrical appliance by rapidly switching the output voltage;
And the electric appliance verification module is used for: the method is used for acquiring test data and judging the performance of the automobile electrical appliance;
the voltage regulation module includes:
And a test step module: the method comprises the steps of determining automobile appliances to be tested, and setting a voltage root mean square value of each automobile appliance test;
A data acquisition unit: the method comprises the steps of obtaining a voltage root mean square value of an automobile electrical appliance, and determining a first output parameter which needs to be quickly exchanged in a test; wherein,
The first output parameters include: output power, output voltage, output current and output line;
a data processing unit: for determining a tuning parameter of the regulator based on the first output parameter;
and an adjustment control unit: the power supply is used for carrying out output adjustment on the main power supply according to the adjustment parameters to generate corresponding second output parameters; wherein,
The output adjustment includes: phase adjustment, current adjustment, voltage adjustment, period adjustment, power adjustment, timing adjustment, and power-off control;
the second output parameters include: output current, output voltage, output power, output time.
2. A high-speed power supply system for automotive electrical testing as recited in claim 1, wherein said power supply module comprises:
The power supply comprises the following components: the power supply device is used for integrating a storage battery, a mains supply and an engine in parallel through a control switch; wherein,
The control switch includes: wireless remote switch, air switch and relay switch;
A current limiting unit: the current limiting device is used for setting the current upper limit value of the main power supply, and performing current limiting operation on the main power supply when the 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;
And a power adjustment unit: for regulating the output power of the main power supply by means of a power regulator in said main power supply.
3. The high-speed power supply system for automotive electrical testing of claim 1, wherein said high-speed power supply control module comprises:
and a detection unit: the real-time parameter detection module is used for detecting the main power supply and judging the real-time parameter 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 method comprises the steps of obtaining the second output parameters and the real-time parameters, determining a voltage value required by an automobile electrical appliance, and generating a corresponding conversion instruction;
and 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.
4. A high-speed power supply system for automotive electrical testing as claimed in claim 2, wherein said power supply composition unit comprises:
battery subunit: for storing electric energy of a mains supply and an engine and for supplying said automotive electric appliances when no mains supply and no engine are generating electricity;
Battery sensor subunit: the system is used for monitoring state parameters of the storage battery in the automobile electrical appliance test process and sending the state parameters to a 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;
charging subunit: the method comprises the steps of acquiring the residual electric quantity of a storage battery, and actively controlling the commercial power and an engine to charge the storage battery when the residual electric quantity is below a preset threshold value and performing a test;
protection circuit subunit: and the temperature sensor 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.
5. The high-speed power supply system for automotive electrical testing of claim 1, wherein said electrical verification module comprises:
Ideal parameter acquisition unit: the method comprises the steps of obtaining adjustment parameters of a plurality of regulators of a main power supply, determining an ideal working parameter threshold of an automobile electric appliance according to the adjustment parameters, and taking the ideal working parameter threshold as test reference data;
System parameter acquisition unit: for connecting the power detector with the electronic control system of the automobile, determining real-time operation data of each automobile electric appliance, and outputting operation waveforms of each automobile electric appliance; wherein,
The electronic control system of the automobile at least comprises: the system comprises a communication system, an engine electronic control system, an anti-lock system, an automatic cruising system and a vehicle-mounted multimedia system;
and a judging module: the method comprises the steps of determining state parameters corresponding to running waveforms of each automobile electric appliance, judging whether the state parameters are within test reference data corresponding to the automobile electric appliances, and outputting a judging result;
And a performance judging module: scoring the automobile electrical appliance according to the judging result to determine the automobile performance; wherein,
The scoring includes: stability score, regulatory response score, autoregulation score, and outage prevention score.
6. A high-speed power supply system for automotive electrical testing as recited in claim 1, said system further comprising:
And the automobile electrical appliance feedback module: the method comprises the steps of acquiring test data, determining abnormal data in the test data, analyzing and processing the abnormal data, and outputting fault codes; wherein,
The automobile electrical appliance feedback module comprises:
A process command storage unit: the analysis strategy and the processing strategy corresponding to the abnormal data are stored;
an information processing unit: the state information of each automobile electric appliance is determined according to the analysis strategy and the processing strategy;
Unqualified electrical appliance marking unit: the method comprises the steps of judging whether the state information is in a preset fault behavior database according to the state information, and marking the automobile electric appliance corresponding to the state information in the fault behavior database as a disqualified electric appliance; wherein,
The status 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 abnormality warning, and carrying out manual processing.
7. A high-speed power supply system for automotive electrical testing as recited in claim 1, said system further comprising:
the automobile electric appliance data feedback module is used for receiving automobile electric appliance feedback information and performing intelligent adjustment according to the automobile electric appliance feedback information; wherein,
The automobile electrical appliance data feedback module comprises:
Automobile electrical appliance voltage receiving unit: the automatic control device is used for receiving feedback information of the automobile electric appliance, generating an automatic adjustment instruction of the automobile electric appliance, and adjusting a second output parameter of the main power supply according to the automatic adjustment instruction;
Automobile electrical appliance leakage data unit: the method is used for detecting the leakage value of the automobile electric appliance, setting the upper leakage limit value, and stopping power supply when the leakage value of the automobile electric appliance exceeds the preset upper leakage limit value.
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| CN102386668A (en) * | 2011-11-29 | 2012-03-21 | 合肥东耀电子有限公司 | Storage battery analog power supply device |
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| JP2016021295A (en) * | 2014-07-14 | 2016-02-04 | 本田技研工業株式会社 | Power supply system and vehicle |
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| CN102386668A (en) * | 2011-11-29 | 2012-03-21 | 合肥东耀电子有限公司 | Storage battery analog power supply device |
| CN104880632A (en) * | 2015-05-28 | 2015-09-02 | 上海沪工汽车电器有限公司 | High speed power supply system for vehicle electric appliance test |
| CN107168201A (en) * | 2017-05-19 | 2017-09-15 | 昆明理工大学 | A kind of real-time watch device operation management system of threst stand |
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