CN109004904A - Calibration parameter setting method, device, system, equipment and medium - Google Patents

Abstract

The invention relates to the technical field of solar cells, and discloses a method, a device, a system, equipment and a medium for setting calibration parameters, which are used for improving the accuracy of the calibration parameters of a direct current converter. The setting method of the calibration parameters comprises the following steps: selecting a plurality of test values from the value range to test in the direct current converter respectively according to the value range of the test values of the calibration parameters for setting the target object, which is configured in advance; collecting a corresponding measured value of each test value when the test value is tested in the direct current converter; comparing each test value with the corresponding measured value of each test value to generate a calibration parameter of the target object; and configuring the generated calibration parameters of the target object into the direct current converter.

Description

A calibration parameter setting method, device, system, equipment and medium

technical field

The present invention relates to the technical field of solar cells, in particular to a calibration parameter setting method, device, system, equipment and medium.

Background technique

Solar thin film batteries are widely used due to the advantages of small mass, thin thickness, and bendability. During the use of solar thin film batteries, their power generation will be affected by the intensity of light. The output power of solar thin film batteries may change at any time. Therefore, solar thin film batteries Batteries are usually used in conjunction with a DC converter to obtain an output voltage and output current that meets the usage requirements.

When the solar thin-film battery is used in conjunction with the DC converter, the power generated by the solar thin-film battery is affected by the illumination range, and its output power may change at any time, that is, the input power in the DC converter may change at any time, and the output voltage of the DC converter There is a direct relationship between output current and input power. In this case, in order to ensure the accuracy of the output voltage and output current of the DC converter, the detection accuracy of the DC converter for the input voltage, input current, output voltage and output current becomes particularly important.

The DC converter includes a voltage (current) detection circuit and a voltage (current) calibration circuit, wherein the voltage (current) detection circuit is used to detect the input voltage (current) and output voltage (current), and the voltage (current) calibration circuit is configured by The voltage calibration coefficients calibrate the sensed input voltage (current) and output voltage (current).

In practical applications, different DC converters use the same voltage calibration coefficient and current calibration coefficient, but due to differences between circuit boards in different DC converters, some DC converters may have large error.

Contents of the invention

Embodiments of the present invention provide a calibration parameter setting method, device, system, equipment, and medium for improving the accuracy of calibration parameters of a DC converter.

According to one aspect of the present invention, a method for setting calibration parameters is provided, which is applied to setting calibration parameters of DC converters, the method comprising:

According to the pre-configured value range of the test value for setting the calibration parameters of the target object, select multiple test values from the value range to test in the DC converter respectively;

Collect the corresponding measured value of each test value when tested in the DC converter;

Comparing each test value with the measurement value corresponding to each test value to generate calibration parameters for the target object;

Configure the calibration parameters of the generated target object into the DC converter.

In a possible implementation manner, in the above-mentioned method provided by the embodiment of the present invention, each test value is compared with the measurement value corresponding to each test value, and the calibration parameters of the target object are generated, including:

Comparing each test value with the measurement value corresponding to each test value to generate temporary calibration parameters for the target object;

Under the condition that it is determined that the verification result of the temporary calibration parameter on the target object in the DC converter satisfies a preconfigured allowable error, the temporary calibration parameter is used as the calibration parameter of the target object.

In a possible implementation manner, in the above-mentioned method provided by the embodiment of the present invention, each test value is compared with the measurement value corresponding to each test value, and the calibration parameters of the target object are generated, including:

Comparing each test value with the measurement value corresponding to each test value, generating the calibration parameters of the target object at each test value;

Based on the calibration parameters of the target object at each test value, a calibration parameter curve of the target object is generated by fitting, and the calibration parameter curve is used as the calibration parameter of the target object.

In a possible implementation manner, in the above method provided by the embodiment of the present invention, the target object includes one or more of the following: input voltage, input current, output voltage, and output current.

In a possible implementation, in the above method provided by the embodiment of the present invention, when the target object includes an input voltage, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test of the input voltage. value range;

According to the pre-configured value range of the test value used to set the calibration parameters of the target object, a plurality of test values are selected from the value range to be tested in the DC converter respectively, including:

According to the value range of the test value of the input voltage configured in advance, a plurality of input voltages are selected from the value range of the test value of the input voltage and input into the DC converter for testing.

In a possible implementation, in the above method provided by the embodiment of the present invention, when the target object includes the output voltage, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test value of the output voltage value range;

According to the pre-configured value range of the test value used to set the calibration parameters of the target object, a plurality of test values are selected from the value range to be tested in the DC converter respectively, including:

Selecting a plurality of output voltages from the value range of the output voltage test value according to the pre-configured value range of the test value of the output voltage;

The load connected to the DC converter is adjusted so that the DC converter outputs a plurality of selected output voltages for testing.

In a possible implementation, in the above method provided by the embodiment of the present invention, when the target object includes the input current, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test of the input voltage The value range of the value and the value range of the test value of the input current;

According to the pre-configured value range of the test value used to set the calibration parameters of the target object, a plurality of test values are selected from the value range to be tested in the DC converter respectively, including:

Selecting a plurality of input voltages from the range of test values of the input voltage according to the range of the test values of the input voltage configured in advance;

For each selected input voltage, under the condition that each input voltage is input into the DC converter, a plurality of input currents are selected from the value range of the test value of the input current to test the DC converter respectively.

In a possible implementation, in the above method provided by the embodiment of the present invention, when the target object includes the output current, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test of the output voltage. The value range of the value and the value range of the test value of the output current;

According to the pre-configured value range of the test value used to set the calibration parameters of the target object, a plurality of test values are selected from the value range to be tested in the DC converter respectively, including:

Selecting a plurality of output voltages from the value range of the output voltage test value according to the pre-configured value range of the test value of the output voltage;

For each selected output voltage, under the condition that the load connected to the DC converter is adjusted so that the DC converter outputs each output voltage, select multiple output currents from the range of the test value of the output current, and make the DC conversion The device outputs multiple output currents for testing.

According to one aspect of the present invention, a calibration parameter setting device is provided, which is used to set the calibration parameters of the DC converter, and the device includes:

The test unit is used to select a plurality of test values from the value range to test in the DC converter according to the pre-configured value range of the test value for setting the calibration parameters of the target object;

The acquisition unit is used to acquire the corresponding measurement value when each test value is tested in the DC converter;

a processing unit, configured to compare each test value with a measurement value corresponding to each test value, and generate calibration parameters of the target object;

Configuration unit for configuring the generated calibration parameters of the target object into the DC converter.

In a possible implementation manner, in the above-mentioned device provided by the embodiment of the present invention, the processing unit is specifically used for:

Comparing each test value with the measurement value corresponding to each test value to generate temporary calibration parameters for the target object;

Under the condition that it is determined that the verification result of the temporary calibration parameter on the target object in the DC converter satisfies a preconfigured allowable error, the temporary calibration parameter is used as the calibration parameter of the target object.

In a possible implementation manner, in the above-mentioned device provided by the embodiment of the present invention, the processing unit is specifically used for:

Comparing each test value with the measurement value corresponding to each test value, generating the calibration parameters of the target object at each test value;

Based on the calibration parameters of the target object at each test value, a calibration parameter curve of the target object is generated by fitting, and the calibration parameter curve is used as the calibration parameter of the target object.

In a possible implementation manner, in the above device provided by the embodiment of the present invention, the target object includes one or more of the following: input voltage, input current, output voltage, and output current.

In a possible implementation, in the above device provided by the embodiment of the present invention, when the target object includes an input voltage, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test value of the input voltage. value range;

The test unit is used specifically for:

According to the value range of the test value of the input voltage configured in advance, a plurality of input voltages are selected from the value range of the test value of the input voltage and input into the DC converter for testing.

In a possible implementation, in the above device provided by the embodiment of the present invention, when the target object includes the output voltage, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test value of the output voltage. value range;

The test unit is used specifically for:

Selecting a plurality of output voltages from the value range of the output voltage test value according to the pre-configured value range of the test value of the output voltage;

The load connected to the DC converter is adjusted so that the DC converter outputs a plurality of selected output voltages for testing.

In a possible implementation, in the above-mentioned device provided by the embodiment of the present invention, when the target object includes the input current, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test value of the input voltage. The value range of the value and the value range of the test value of the input current;

The test unit is used specifically for:

Selecting a plurality of input voltages from the range of test values of the input voltage according to the range of the test values of the input voltage configured in advance;

For each selected input voltage, under the condition that each input voltage is input into the DC converter, a plurality of input currents are selected from the value range of the test value of the input current to test the DC converter respectively.

In a possible implementation, in the above-mentioned device provided by the embodiment of the present invention, when the target object includes the output current, the pre-configured value range of the test value used to set the calibration parameters of the target object includes the test value of the output voltage. The value range of the value and the value range of the test value of the output current;

The test unit is used specifically for:

Selecting a plurality of output voltages from the value range of the output voltage test value according to the pre-configured value range of the test value of the output voltage;

For each selected output voltage, under the condition that the load connected to the DC converter is adjusted so that the DC converter outputs each output voltage, select multiple output currents from the range of the test value of the output current, and make the DC conversion The device outputs multiple output currents for testing.

According to one aspect of the present invention, a calibration parameter setting system is provided, including: the calibration parameter setting device provided by the above-mentioned embodiments of the present invention, a digital adjustable electronic load connected to the calibration parameter setting device in communication, a digital adjustable power supply and DC converter; where,

The calibration parameter setting device selects a plurality of test values from the pre-configured range of test values used to set the calibration parameters of the target object through a digital adjustable power supply and/or a digital adjustable electronic load, respectively in the DC The test is carried out in the converter, and the corresponding measurement value of each test value is collected when it is tested in the DC converter, and each test value is compared with the measurement value corresponding to each test value to generate the calibration parameters of the target object, and the generated target The calibration parameters of the object are configured into the DC converter.

According to one aspect of the present invention, a calibration parameter setting device is provided, including: at least one processor, at least one memory, and computer program instructions stored in the memory, when the computer program instructions are executed by the processor, the above-mentioned The setting method of the calibration parameter provided in the embodiment.

According to one aspect of the present invention, a computer-readable storage medium is provided, on which computer program instructions are stored, and when the computer program instructions are executed by a processor, the method for setting calibration parameters provided by the above-mentioned embodiments of the present invention is implemented.

The calibration parameter setting method, device, system, equipment, and medium provided by the embodiments of the present invention select a plurality of values from the value range according to the pre-configured value range of the test value for setting the calibration parameter of the target object. The test values are respectively tested in the DC converter, and the corresponding measurement value of each test value is collected when tested in the DC converter, and each test value is compared with the measurement value corresponding to each test value to generate the calibration parameters of the target object, Configure the calibration parameters of the generated target object into the DC converter.

The calibration parameter setting scheme provided by the embodiment of the present invention is to test each DC converter separately and configure its calibration parameters. Compared with all DC converters using the same calibration parameters in the prior art, considering different DC Differences between boards in the converter, calibration parameters individually configured for each DC converter, improves the accuracy of the DC converter calibration parameters.

Description of drawings

Fig. 1 is a schematic flowchart of a calibration parameter setting method provided by an embodiment of the present invention;

FIG. 2 is a schematic flowchart of calibration parameter setting of input voltage provided by an embodiment of the present invention;

FIG. 3 is a schematic flow chart of calibration parameter setting of input current provided by an embodiment of the present invention;

FIG. 4 is a schematic flowchart of output voltage calibration parameter setting provided by an embodiment of the present invention;

FIG. 5 is a schematic flowchart of output current calibration parameter setting provided by an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a calibration parameter setting device provided by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a calibration parameter setting system provided by an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a calibration parameter setting device provided by an embodiment of the present invention.

Detailed ways

The specific implementation manners of a calibration parameter setting method, device, system, equipment and medium provided in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

A method for setting calibration parameters provided by an embodiment of the present invention, as shown in Figure 1, may include the following steps:

Step 101 , according to the pre-configured range of test values for setting the calibration parameters of the target object, select a plurality of test values from the range of test values to test in the DC converter respectively.

It should be noted that the DC converter is used in conjunction with the solar thin-film battery, and the output voltage and output current of the solar thin-film battery have boundaries, that is, the input voltage and input current of the DC converter have boundaries, while the output voltage and output current of the DC converter have boundaries. The current also has a limit. Therefore, in the embodiment of the present invention, when setting the calibration parameters of the DC converter, it is only necessary to set the calibration parameters of the DC converter within a certain range, so as to reduce the amount of calculation.

During specific implementation, the range of test values used to set the calibration parameters of the target object can be pre-configured by the tester according to the input voltage, input current, output voltage and output current of the DC converter. Of course, in other embodiments of the present invention, the value range of the test value used to set the calibration parameter of the target object can also be freely set by the tester, and is not specifically limited here.

During specific implementation, when selecting a plurality of test values from the value range of the test value to test in the DC converter respectively, in order to improve accuracy, it is necessary to select more test values from the value range of the test value as much as possible, for example, The value range of the test value is the interval [5 volts (V), 10V]. When selecting the test value, you can select 5V as the first test value, and then select a test value every 0.2V, and so on, select multiple test value.

During specific implementation, when selecting a plurality of test values from the value range of the test value to test in the DC converter respectively, if the target object is the input voltage and/or input current, then input the selected multiple test values into the The test is performed in the DC converter; if the target object is output voltage and/or output current, the DC converter is controlled to output multiple selected test values for testing.

Step 102, collect the corresponding measured value of each test value when tested in the DC converter.

During specific implementation, if the target object is input voltage and/or input current, when selecting a plurality of test values from the value range of the test value in step 101 to test in the DC converter respectively, the selected plurality of test values will be respectively If the input is input into the DC converter for testing, the corresponding test value of each test value in the DC converter is collected at this time, which is to read the measured value of each input test value of the DC converter.

During specific implementation, if the target object is the output voltage and/or output current, in step 101, a plurality of test values are selected from the value range of the test value to test in the DC converter respectively, and the DC converter is controlled to output the selected Multiple test values are tested, and the test value corresponding to each test value in the DC converter is collected at this time, which is to detect the voltage value and/or current value output by the DC converter.

Step 103, comparing each test value with the measurement value corresponding to each test value to generate calibration parameters of the target object.

During specific implementation, after testing the selected test values in the DC converter respectively, and collecting the corresponding measurement values of each test value, according to each test value and the measurement value corresponding to each test value, Generate calibration parameters for the target object.

In an example, when comparing each test value with the measurement value corresponding to each test value, when generating the calibration parameters of the target object, the ratio of each test value to the measurement value corresponding to each test value can be used as the calibration parameter of the target object Calibration parameters.

In a possible implementation, in step 103, each test value is compared with the measurement value corresponding to each test value to generate the calibration parameters of the target object, which are the calibration parameters of the target object at each test value. In order to obtain the target object at The calibration parameters of each point within the value range of the test value can also be fitted to generate a calibration parameter curve of the target object based on the calibration parameters of the target object at each test value, and the calibration parameter curve can be used as the calibration parameter of the target object.

In a possible implementation, in order to improve the accuracy of the generated calibration parameters of the target object, when comparing each test value with the measurement value corresponding to each test value, when generating the calibration parameters of the target object, you can first compare each The test value and the measurement value corresponding to each test value are used to generate temporary calibration parameters of the target object, and then the temporary calibration parameters as calibration parameters for the target object.

During specific implementation, compare each test value with the measurement value corresponding to each test value, generate temporary calibration parameters of the target object, and temporarily store the temporary calibration parameters in the memory of the DC converter, and then within the value range of the test value Multiple test values are selected to verify the temporary calibration parameters temporarily stored in the DC converter, and the temporary calibration parameters are used as the calibration parameters of the target object under the condition that the verification result meets the pre-configured allowable error.

Wherein, when selecting multiple test values within the value range of the test value to verify the temporary calibration parameters temporarily stored in the DC converter, the multiple test values selected may be different from the multiple test values selected in step 101. value.

Step 104, configuring the generated calibration parameters of the target object into the DC converter.

During specific implementation, after the calibration parameters of the target object are generated, the generated calibration parameters of the target object can be written into the hardware memory of the DC converter, so as to configure the generated calibration parameters of the target object into the DC converter.

The target objects mentioned in the embodiments of the present invention include one or more of the following: input voltage, input current, output voltage, and output current.

The process of setting the calibration parameters of the input voltage, the calibration parameters of the input current, the calibration parameters of the output voltage and the calibration parameters of the output current will be described in detail below.

As shown in Figure 2, when the target object is an input voltage, the value range of the test value of the pre-configured calibration parameter for setting the target object is the value range of the test value of the input voltage, and the calibration parameter of the input voltage is set The specific steps include:

Step 201, pre-configuring the range of the test value of the input voltage, the number of test points n and the allowable error e. For example, the range of the test value of the input voltage is the interval [5V, 10V], the number of test points is 50, and the allowable error is 1%.

Step 202, select n test values of the input voltage from the value range of the test values of the input voltage. For specific selection, it can be selected at fixed intervals or randomly selected, which is not limited in the present invention.

Step 203, input the test values of the selected n input voltages into the DC converter for testing. During specific implementation, the selected n input voltages can be generated by a digital adjustable power supply, and input to the DC converter for testing.

Step 204, collect the measured value of the DC converter for each input voltage. That is, the measured values of the DC converter for each input voltage are collected.

Step 205 , comparing the test value of the input voltage with the measured value corresponding to each collected test value to generate a calibration parameter of the input voltage. For example, the ratio of the test value of the input voltage to the collected measurement value corresponding to each test value is calculated as a calibration parameter of the input voltage at each test value.

Step 206, perform interpolation fitting on the generated calibration parameters of the input voltage at each test value to form a calibration parameter curve of the input voltage, and temporarily store the calibration parameters in the DC converter.

Step 207, reselect a plurality of test values to verify the calibration parameter curve of the input voltage temporarily stored in the DC converter. In a specific embodiment, it may be reselected from the range of pre-configured test values of the input voltage, and the selected multiple test values may be different from the n test values selected in step 202 .

Step 208, judge whether the error of the verification result exceeds the allowable error e, if so, execute step 202 to reselect the input voltage for testing, if not, execute step 209.

It should be noted that since the repeatability of the voltage is good, when it is determined that the error of the verification result exceeds the allowable error e, the input voltage can be reselected for testing.

Step 209, write the calibration parameter curve of the input voltage generated in step 206 into the memory of the DC converter.

As shown in Figure 3, when the target object is the input current, the pre-configured value range of the test value for setting the calibration parameters of the target object includes the value range of the test value of the input voltage and the value range of the test value of the input current. The specific steps for setting the calibration parameters of the input current include:

Step 301, pre-configure the value range of the test value of the input voltage, the number n of test points of the input voltage, the value range of the test value of the input current, the number m of test points of the input current and the allowable error e. For example, the value range of the test value of the input voltage is the interval [5V, 10V], the number of test points of the input voltage is 20, and the value range of the test value of the input current is the interval [200 mA (mA), 2 A (A )], the number of test points for input current is 50, and the allowable error is 1%.

Step 302, select n test values of input voltage from a range of test values of input voltage, and select m test values of input current from a range of test values of input current. For specific selection, it can be selected at fixed intervals or randomly selected, which is not limited in the present invention.

Step 303 , under each test value of the input voltage, respectively input the test values of m selected input currents into the DC converter for testing. During specific implementation, the selected input voltage and the selected input current can be generated by a digital adjustable power supply, and respectively input into the DC converter for testing.

Step 304, collecting the measured value of the DC converter for each input current under the test value of each input voltage. That is, under the test value of each input voltage, the measurement value of each input current of the DC converter is collected.

Step 305 , comparing the test value of the input current with the measured value corresponding to each collected test value to generate a calibration parameter of the input current. For example, the ratio of the test value of the input current to the collected measurement value corresponding to each test value is calculated as a calibration parameter of the input current at each test value.

Step 306 , perform interpolation fitting on the generated calibration parameters of the input current at each test value to form a calibration parameter curve of the input current, and temporarily store the calibration parameters in the DC converter.

It should be noted that there may be multiple calibration parameter curves for input current, and each input voltage test value corresponds to one calibration parameter curve for input current, and multiple calibration parameter curves for input current can also be fitted as calibration parameters for input current surface.

In step 307, multiple test values of the output voltage and input current are reselected to verify the calibration parameter curve of the input current temporarily stored in the DC converter.

In a specific embodiment, the test value of the input voltage may be reselected from the preconfigured value range of the test value of the input voltage, and the selected test values of the input voltage may be different from the n test values selected in step 202 .

During specific implementation, the test value of the input current may be reselected from the pre-configured value range of the test value of the input current, and the selected multiple test values of the input current may be different from the m test values selected in step 202 .

Step 308, judging whether the error of the verification result exceeds the allowable error e, if yes, execute step 309, if not, execute step 310.

It should be noted that since the repeatability of the current is poor, when the error of the verification result exceeds the allowable error e, the fitting method can be changed to re-fit the calibration parameter curve of the input current.

Step 309, changing the fitting method, refitting and generating the calibration parameter curve of the input current according to the calibration parameter of the input current generated in step 305, temporarily storing the regenerated calibration parameter curve in the DC converter, and performing step 307 Verify.

Step 310, write the calibration parameter curve of the input current whose verification error is smaller than e into the memory of the DC converter.

As shown in Figure 4, when the target object is the output voltage, the value range of the test value of the pre-configured calibration parameter used to set the target object is the value range of the test value of the output voltage, and the calibration parameter of the output voltage is set The specific steps include:

Step 401, pre-configuring the range of the test value of the output voltage, the number of test points n and the allowable error e. For example, the range of the test value of the output voltage is the interval [4V, 6V], the number of test points is 50, and the allowable error is 1%.

Step 402, select n test values of the output voltage from the value range of the test values of the output voltage. For specific selection, it can be selected at fixed intervals or randomly selected, which is not limited in the present invention.

Step 403 , adjusting the load connected to the DC converter so that the DC converter respectively outputs the test values of the selected n output voltages for testing. During specific implementation, the size of the load connected to the DC converter can be changed by adjusting the digitally adjustable electronic load connected to the DC converter, and then the DC converter can respectively output selected n output voltages for testing.

Step 404, collect the measured value of the output voltage of the DC converter under each test value of the output voltage. That is, the output voltage of the DC converter under each test value of the output voltage is measured to obtain a measurement value corresponding to each test value of the output voltage.

Step 405 , comparing the test value of the output voltage with the measured value corresponding to each collected test value to generate calibration parameters of the output voltage. For example, the ratio of the test value of the output voltage to the collected measurement value corresponding to each test value is calculated as a calibration parameter of the output voltage at each test value.

Step 406, perform interpolation fitting on the calibration parameters of the generated output voltage at each test value to form a calibration parameter curve of the output voltage, and temporarily store the calibration parameters in the DC converter.

Step 407, re-select a plurality of test values to verify the calibration parameter curve of the output voltage temporarily stored in the DC converter. In a specific embodiment, it may be reselected from the range of pre-configured test values of the output voltage, and the selected multiple test values may be different from the n test values selected in step 404 .

Step 408 , judging whether the error of the verification result exceeds the allowable error e, if yes, execute step 404 to reselect the output voltage for testing, if not, execute step 409 .

It should be noted that, since the repeatability of the voltage is good, when it is determined that the error of the verification result exceeds the allowable error e, the output voltage can be reselected for testing.

Step 409, writing the calibration parameter curve of the output voltage generated in step 406 into the memory of the DC converter.

As shown in Figure 5, when the target object is the output current, the pre-configured value range of the test value for setting the calibration parameters of the target object includes the value range of the test value of the output voltage and the value range of the test value of the output current. The specific steps for setting the calibration parameters of the output current include:

Step 501, pre-configure the value range of the output voltage test value, the number n of test points of the output voltage, the value range of the test value of the output current, the number m of test points of the output current, and the allowable error e. For example, the range of the test value of the output voltage is the interval [4V, 8V], the number of test points of the output voltage is 20, the range of the test value of the output current is the interval [200mA, 2A], the number of test points of the output current is 50, the allowable error is 1%.

Step 502, select n test values of the output voltage from the value range of the test values of the output voltage, and select m test values of the output current from the value range of the test values of the output current. For specific selection, it can be selected at fixed intervals or randomly selected, which is not limited in the present invention.

Step 503 , under each test value of the output voltage, adjust the load connected to the DC converter so that the DC converter outputs selected m output currents for testing. During specific implementation, the size of the load connected to the DC converter can be changed by adjusting the digitally adjustable electronic load connected to the DC converter, so that the DC converter can respectively output selected n output voltages and m output currents for testing.

Step 504, collect the measured value of the output current of the DC converter under each output voltage test value and each output current test value.

Step 505 , comparing the test value of the output current with the measured value corresponding to each collected test value to generate a calibration parameter of the output current. For example, the ratio of the test value of the output current to the collected measurement value corresponding to each test value is calculated as a calibration parameter of the output current at each test value.

Step 506, perform interpolation fitting on the generated calibration parameters of the output current at each test value to form a calibration parameter curve of the output current, and temporarily store the calibration parameters in the DC converter.

It should be noted that there may be multiple calibration parameter curves for the output current, and each output voltage test value corresponds to a calibration parameter curve for the output current, and multiple calibration parameter curves for the output current can also be fitted as calibration parameters for the output current surface.

In step 507, a plurality of output voltage test values and output current test values are reselected to verify the calibration parameter curve of the output current temporarily stored in the DC converter.

In a specific embodiment, the test value of the output voltage may be reselected from the pre-configured range of test values of the output voltage, and the selected test values of the output voltage may be different from the n test values selected in step 202 .

During specific implementation, the test value of the output current may be reselected from the range of the pre-configured test value of the output current, and the selected multiple test values of the output current may be different from the m test values selected in step 202 .

Step 508, judging whether the error of the verification result exceeds the allowable error e, if yes, execute step 509, if not, execute step 510.

It should be noted that, since the repeatability of the current is poor, when the error of the verification result exceeds the allowable error e, the fitting method can be changed to re-fit the calibration parameter curve of the output current.

Step 509, changing the fitting method, refitting the calibration parameter curve of the output current according to the calibration parameter of the output current generated in step 505, temporarily storing the regenerated calibration parameter curve in the DC converter, and performing step 507 Verify.

Step 510, write the calibration parameter curve of the output current whose verification error is smaller than e into the memory of the DC converter.

Based on the same inventive concept, an embodiment of the present invention also provides a calibration parameter setting device.

As shown in Figure 6, the calibration parameter setting device provided by the embodiment of the present invention includes:

The test unit 601 is configured to select a plurality of test values from the value range according to the pre-configured value range of the test value for setting the calibration parameters of the target object to test in the DC converter respectively.

The collection unit 602 is configured to collect the measurement value corresponding to each test value when it is tested in the DC converter.

The processing unit 603 is configured to compare each test value with a measurement value corresponding to each test value to generate calibration parameters of the target object.

The configuration unit 604 is configured to configure the generated calibration parameters of the target object into the DC converter.

In a possible implementation manner, the processing unit 603 is specifically configured to: compare each test value with the measurement value corresponding to each test value to generate temporary calibration parameters of the target object; Under the condition that the verification result of the object satisfies the pre-configured allowable error, the temporary calibration parameters are used as the calibration parameters of the target object.

In a possible implementation manner, the processing unit 603 is specifically configured to: compare each test value with the measurement value corresponding to each test value, and generate calibration parameters of the target object at each test value; The calibration parameter at the test value is fitted to generate a calibration parameter curve of the target object, and the calibration parameter curve is used as the calibration parameter of the target object.

In a possible implementation manner, the target object includes one or more of the following: input voltage, input current, output voltage, and output current.

In a possible implementation manner, when the target object includes an input voltage, the value range of the test value of the pre-configured calibration parameter for setting the target object includes the value range of the test value of the input voltage; the test unit 601 specifically It is used for: according to the value range of the test value of the input voltage configured in advance, select a plurality of input voltages from the value range of the test value of the input voltage and input them into the DC converter for testing.

In a possible implementation manner, when the target object includes the output voltage, the value range of the test value of the calibration parameter configured in advance for setting the target object includes the value range of the test value of the output voltage; the test unit 601 specifically Used for: selecting multiple output voltages from the value range of the output voltage test value according to the pre-configured value range of the output voltage test value; adjusting the load connected to the DC converter so that the DC converter outputs the selected Multiple output voltages are tested.

In a possible implementation, when the target object includes the input current, the preconfigured value range of the test value for setting the calibration parameters of the target object includes the value range of the test value of the input voltage and the test value range of the input current. The value range of the value; the test unit 601 is specifically used to: select multiple input voltages from the value range of the test value of the input voltage according to the value range of the test value of the input voltage configured in advance; for each selected input Voltage, under the condition that each input voltage is input into the DC converter, select multiple input currents from the value range of the test value of the input current to test the DC converter respectively.

In a possible implementation, when the target object includes output current, the pre-configured value range of the test value for setting the calibration parameters of the target object includes the value range of the test value of the output voltage and the test value of the output current. The value range of the value; the test unit 601 is specifically used to: select multiple output voltages from the value range of the test value of the output voltage according to the value range of the test value of the output voltage configured in advance; for each selected output Voltage, under the condition that the load connected to the DC converter is adjusted so that the DC converter outputs each output voltage, multiple output currents are selected from the value range of the test value of the output current, and the DC converter outputs multiple outputs respectively current to test.

The embodiment of the present invention also provides a calibration parameter setting system, as shown in FIG. 7 , including: a calibration parameter setting device 701 provided in the second aspect of the embodiment of the present invention, and a communication connection with the calibration parameter setting device 701 digitally adjustable electronic load 702 , digitally adjustable power supply 703 and DC converter 704 .

The calibration parameter setting device 701 selects a plurality of test values from the pre-configured range of test values for setting the calibration parameters of the target object through the digital adjustable power supply 703 and/or the digital adjustable electronic load 702, Test in the DC converter 704 respectively, and collect the measured value corresponding to each test value when tested in the DC converter 704, compare each test value with the measured value corresponding to each test value, and generate the calibration parameters of the target object , configure the generated calibration parameters of the target object into the DC converter 704 .

It should be noted that in the calibration parameter setting system provided by the embodiment of the present invention, the calibration parameter setting device 702 can be connected to one or more DC converters 704, that is, the calibration of multiple DC converters can be set simultaneously. parameter.

In addition, the calibration parameter setting method and apparatus of the embodiment of the present invention described in conjunction with FIGS. 1-6 may be implemented by a calibration parameter setting device. FIG. 8 shows a schematic diagram of a hardware structure of a calibration parameter setting device provided by an embodiment of the present invention.

The device for setting calibration parameters may include a processor 801 and a memory 802 storing computer program instructions.

Specifically, the above-mentioned processor 801 may include a central processing unit (CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured to implement one or more integrated circuits in the embodiments of the present invention.

Memory 802 may include mass storage for data or instructions. By way of example and not limitation, the memory 802 may include a hard disk drive (Hard Disk Drive, HDD), a floppy disk drive, a flash memory, an optical disk, a magneto-optical disk, a magnetic tape, or a Universal Serial Bus (Universal Serial Bus, USB) drive or two or more Combinations of multiple of the above. Storage 802 may include removable or non-removable (or fixed) media, where appropriate. Memory 802 may be internal or external to the data processing arrangement, where appropriate. In a particular embodiment, memory 802 is a non-volatile solid-state memory. In particular embodiments, memory 802 includes read-only memory (ROM). Where appropriate, the ROM may be mask programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory or A combination of two or more of the above.

The processor 801 reads and executes the computer program instructions stored in the memory 802 to implement any calibration parameter setting method in the above-mentioned embodiments.

In an example, the device for setting calibration parameters may further include a communication interface 803 and a bus 810 . Wherein, as shown in FIG. 8 , a processor 801 , a memory 802 , and a communication interface 803 are connected through a bus 810 to complete mutual communication.

The communication interface 803 is mainly used to implement communication between various modules, devices, units and/or devices in the embodiments of the present invention.

The bus 810 includes hardware, software, or both, and couples the components of the calibration parameter setting device to each other. By way of example and not limitation, the bus may include Accelerated Graphics Port (AGP) or other graphics bus, Enhanced Industry Standard Architecture (EISA) bus, Front Side Bus (FSB), HyperTransport (HT) interconnect, Industry Standard Architecture (ISA) Bus, Infiniband Interconnect, Low Pin Count (LPC) Bus, Memory Bus, Micro Channel Architecture (MCA) Bus, Peripheral Component Interconnect (PCI) Bus, PCI-Express (PCI-X) Bus, Serial Advanced Technology Attachment (SATA) bus, Video Electronics Standards Association Local (VLB) bus or other suitable bus or a combination of two or more of these. Bus 88 may comprise one or more buses, where appropriate. Although embodiments of the invention describe and illustrate a particular bus, the invention contemplates any suitable bus or interconnect.

The calibration parameter setting device can execute the calibration parameter setting method in the embodiment of the present invention based on the selected test value and the measurement value corresponding to each test value, so as to realize the calibration parameter described in conjunction with FIGS. 1-6 Setting method and device.

In addition, in combination with the calibration parameter setting method in the foregoing embodiments, embodiments of the present invention may provide a computer-readable storage medium for implementation. The computer-readable storage medium stores computer program instructions; when the computer program instructions are executed by a processor, any calibration parameter setting method in the above-mentioned embodiments is implemented.

Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (19)

1. A method for setting calibration parameters is applied to setting calibration parameters of a direct current converter, and is characterized by comprising the following steps:

selecting a plurality of test values from the value range to test in the direct current converter respectively according to the value range of the test values of the calibration parameters for setting the target object, which is configured in advance;

collecting a corresponding measured value of each test value when the test value is tested in the direct current converter;

comparing each test value with the corresponding measured value of each test value to generate a calibration parameter of the target object;

and configuring the generated calibration parameters of the target object into the direct current converter.

2. The method of claim 1, wherein comparing each test value to the corresponding measurement value of each test value to generate the calibration parameter of the target object comprises:

comparing each test value with the corresponding measurement value of each test value to generate a temporary calibration parameter of the target object;

and under the condition that the verification result of the temporary calibration parameter on a target object in the direct current converter meets the preset allowable error, taking the temporary calibration parameter as the calibration parameter of the target object.

3. The method of claim 1, wherein comparing each test value to the corresponding measurement value of each test value to generate the calibration parameter of the target object comprises:

comparing each test value with the corresponding measured value of each test value, and generating a calibration parameter of the target object at each test value;

and fitting to generate a calibration parameter curve of the target object based on the calibration parameters of the target object at each test value, and taking the calibration parameter curve as the calibration parameters of the target object.

4. The method of any one of claims 1-3, wherein the target object comprises one or more of: input voltage, input current, output voltage, and output current.

5. The method of claim 4, wherein when the target object comprises an input voltage, the pre-configured range of values of the test value of the calibration parameter for setting the target object comprises a range of values of the test value of the input voltage;

the selecting a plurality of test values from the value range according to the value range of the test values of the calibration parameters for setting the target object, and respectively testing the test values in the direct current converter, includes:

and selecting a plurality of input voltages from the value range of the test value of the input voltage according to the value range of the test value of the input voltage configured in advance, and inputting the input voltages into the direct current converter for testing.

6. The method of claim 4, wherein when the target object includes an output voltage, the pre-configured range of values of the test value of the calibration parameter for setting the target object includes a range of values of the test value of the output voltage;

the selecting a plurality of test values from the value range according to the value range of the test values of the calibration parameters for setting the target object, and respectively testing the test values in the direct current converter, includes:

selecting a plurality of output voltages from the value range of the test value of the output voltage according to the value range of the test value of the output voltage configured in advance;

and adjusting the load connected with the DC converter so that the DC converter respectively outputs a plurality of selected output voltages for testing.

7. The method of claim 4, wherein when the target object includes an input current, the pre-configured range of values of the test value for setting the calibration parameter of the target object includes a range of values of the test value of the input voltage and a range of values of the test value of the input current;

the selecting a plurality of test values from the value range according to the value range of the test values of the calibration parameters for setting the target object, and respectively testing the test values in the direct current converter, includes:

selecting a plurality of input voltages from the value range of the test value of the input voltage according to the value range of the test value of the input voltage configured in advance;

and aiming at each selected input voltage, under the condition that each input voltage is input into the direct current converter, selecting a plurality of input currents from the value range of the test value of the input current to respectively test the direct current converter.

8. The method of claim 4, wherein when the target object includes an output current, the pre-configured range of values of the test value for setting the calibration parameter of the target object includes a range of values of the test value of the output voltage and a range of values of the test value of the output current;

the selecting a plurality of test values from the value range according to the value range of the test values of the calibration parameters for setting the target object, and respectively testing the test values in the direct current converter, includes:

selecting a plurality of output voltages from the value range of the test value of the output voltage according to the value range of the test value of the output voltage configured in advance;

and aiming at each selected output voltage, under the condition that the load connected with the direct current converter is adjusted to enable the direct current converter to output each output voltage, selecting a plurality of output currents from the value range of the test value of the output current, and enabling the direct current converter to respectively output the plurality of output currents for testing.

9. A calibration parameter setting device is applied to setting calibration parameters of a direct current converter, and is characterized by comprising:

the test unit is used for selecting a plurality of test values from the value range to test in the direct current converter respectively according to the value range of the test values of the calibration parameters for setting the target object, which are configured in advance;

the acquisition unit is used for acquiring a corresponding measured value when each test value is tested in the direct current converter;

the processing unit is used for comparing each test value with the corresponding measured value of each test value and generating a calibration parameter of the target object;

and the configuration unit is used for configuring the generated calibration parameters of the target object into the direct current converter.

10. The apparatus according to claim 9, wherein the processing unit is specifically configured to:

comparing each test value with the corresponding measurement value of each test value to generate a temporary calibration parameter of the target object;

and under the condition that the verification result of the temporary calibration parameter on a target object in the direct current converter meets the preset allowable error, taking the temporary calibration parameter as the calibration parameter of the target object.

11. The apparatus according to claim 9, wherein the processing unit is specifically configured to:

comparing each test value with the corresponding measured value of each test value, and generating a calibration parameter of the target object at each test value;

and fitting to generate a calibration parameter curve of the target object based on the calibration parameters of the target object at each test value, and taking the calibration parameter curve as the calibration parameters of the target object.

12. The apparatus of any one of claims 9-11, wherein the target object comprises one or more of: input voltage, input current, output voltage, and output current.

13. The apparatus of claim 12, wherein when the target object comprises an input voltage, the pre-configured range of values of the test value of the calibration parameter for setting the target object comprises a range of values of the test value of the input voltage;

the test unit is specifically configured to:

and selecting a plurality of input voltages from the value range of the test value of the input voltage according to the value range of the test value of the input voltage configured in advance, and inputting the input voltages into the direct current converter for testing.

14. The apparatus of claim 12, wherein when the target object includes an output voltage, the preconfigured value range of the test value of the calibration parameter for setting the target object includes a value range of the test value of the output voltage;

the test unit is specifically configured to:

selecting a plurality of output voltages from the value range of the test value of the output voltage according to the value range of the test value of the output voltage configured in advance;

and adjusting the load connected with the DC converter so that the DC converter respectively outputs a plurality of selected output voltages for testing.

15. The apparatus of claim 12, wherein when the target object includes an input current, the pre-configured range of values of the test value for setting the calibration parameter of the target object includes a range of values of the test value of the input voltage and a range of values of the test value of the input current;

the test unit is specifically configured to:

selecting a plurality of input voltages from the value range of the test value of the input voltage according to the value range of the test value of the input voltage configured in advance;

and aiming at each selected input voltage, under the condition that each input voltage is input into the direct current converter, selecting a plurality of input currents from the value range of the test value of the input current to respectively test the direct current converter.

16. The apparatus of claim 12, wherein when the target object includes an output current, the pre-configured range of values of the test value for setting the calibration parameter of the target object includes a range of values of the test value of the output voltage and a range of values of the test value of the output current;

the test unit is specifically configured to:

selecting a plurality of output voltages from the value range of the test value of the output voltage according to the value range of the test value of the output voltage configured in advance;

and aiming at each selected output voltage, under the condition that the load connected with the direct current converter is adjusted to enable the direct current converter to output each output voltage, selecting a plurality of output currents from the value range of the test value of the output current, and enabling the direct current converter to respectively output the plurality of output currents for testing.

17. A calibration parameter setting system, comprising: a setting device of calibration parameters according to any of claims 9-16, a digitally adjustable electronic load communicatively connected to the setting device of calibration parameters, a digitally adjustable power supply, and a dc-to-dc converter; wherein,

the calibration parameter setting device selects a plurality of test values from a pre-configured value range of the test values of the calibration parameter for setting the target object through the digital adjustable power supply and/or the digital adjustable electronic load, tests the test values in the direct current converter respectively, acquires a corresponding measured value of each test value when testing in the direct current converter, compares each test value with the measured value corresponding to each test value, generates the calibration parameter of the target object, and configures the generated calibration parameter of the target object into the direct current converter.

18. An apparatus for setting calibration parameters, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory that, when executed by the processor, implement the method of any of claims 1-8.

19. A computer-readable storage medium having computer program instructions stored thereon, which when executed by a processor implement the method of any one of claims 1-8.