CN112162125A - Method for realizing simulation battery - Google Patents
Method for realizing simulation battery Download PDFInfo
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- CN112162125A CN112162125A CN202010955051.5A CN202010955051A CN112162125A CN 112162125 A CN112162125 A CN 112162125A CN 202010955051 A CN202010955051 A CN 202010955051A CN 112162125 A CN112162125 A CN 112162125A
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- battery
- analog battery
- analog
- microprocessor mcu
- programmable
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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
Abstract
The invention discloses a method for realizing a simulated battery, which comprises the following steps: supplying power to the analog battery, and initializing the system by the microprocessor MCU; during testing, after receiving the instruction, the microprocessor MCU executes a voltage output function; the upper computer sends a command through a UART/RS485 bus according to the requirements of the test steps, and reads the parameters of the output voltage and the output current of the analog battery; after the analog battery is electrified, the microprocessor MCU monitors and measures parameters of output voltage, output current and power supply temperature in real time; simulating a battery to detect overcurrent by using hardware; the battery reverse charging is implemented based on hardware detection. The method for realizing the analog battery is low in cost of a circuit realized by the method, solves the problem of high cost of a traditional programmable power supply test, solves the problem of equipment space limitation by using a small module design, and solves the problem of multi-module application by using an RS485 communication bus.
Description
Technical Field
The invention belongs to the technical field of intelligent equipment testing, and particularly relates to a method for realizing a simulated battery.
Background
The conventional programmable power supply is used for testing in the existing mobile phone testing scheme, the programmable power supply is used for realizing the testing, the power supply has the characteristics of large size and high price, and a long wire is required to be led out from the outside for connection in the use of multiple channels, so that the testing scheme is not suitable for the modularized design requirement.
The existing notebook computer test uses a real battery to carry out the test, and if the tested mainboard has a fault abnormality, the danger caused by overcurrent and overheating of the battery exists; the battery has a service life in charging and discharging, is not suitable for repeated test requirements, and has a short service life.
Therefore, the simulation battery can be used for replacing a real battery to carry out testing, and the problem of battery consumption caused by the problem of battery service life is solved; the modularized design reduces the space usage, and achieves the miniaturization and multi-channel design test scheme.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention provides a method for implementing an analog battery to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a realization method of an analog battery comprises a programmable analog battery circuit used for the realization method, the programmable analog battery circuit is controlled by a microprocessor MCU, and the microprocessor MCU controls the test of the analog battery, which comprises the following steps:
s1, supplying power to the analog battery, and initializing the system by the microprocessor MCU;
s2, when testing, the upper computer sends a voltage output command through the UART/RS485 serial port communication interface according to the testing step, and the microprocessor MCU executes a voltage output function after receiving the command;
s3, the upper computer sends a command through a UART/RS485 bus according to the requirements of the test steps, and reads the parameters of the output voltage and the output current of the analog battery;
s4, after the battery is simulated to be electrified, the microprocessor MCU monitors and measures parameters of output voltage, output current and power supply temperature in real time;
s5, simulating the battery to use hardware to detect overcurrent, overvoltage and overheat modes to monitor abnormal states;
and S6, realizing reverse charging of the battery based on hardware detection.
Further optimizing the technical scheme, in the step S1, when the analog battery is powered, the DC24V is selected to power the analog battery.
Further optimizing the technical solution, in S1, the system initialization includes the following specific steps:
1) reading default setting parameters of the EEPROM through an I2C bus;
2) initializing the digital-to-analog conversion DAC and the analog-to-digital conversion ADC through the SPI bus;
3) the initialization setting is completed.
Further optimizing the technical solution, in S1, the setting content of the system initialization includes setting data parameters of a default value of the output voltage of the analog battery, a forward overcurrent protection value, a reverse overcurrent protection value, and a power-on slope.
Further optimizing the technical solution, in S6, when the external circuit performs reverse charging, the analog battery automatically starts and stops the electronic load by detecting the current direction, so as to achieve the purpose of reverse charging.
Further optimizing the technical scheme, the programmable analog battery circuit is provided with a digital-to-analog DAC (digital-to-analog converter) output voltage to control DC/DC conversion so as to realize the adjustment of the output voltage.
Further optimizing the technical scheme, the programmable analog battery circuit solves the voltage drop of the analog battery on the line in the large current by selecting a remote sampling compensation mode.
Further optimizing the technical scheme, in S6, the programmable analog battery circuit adopts hardware to monitor the output current direction, automatically controls the electronic load access, and meets the requirement of the high-transient reverse charging test.
Further optimizing the technical scheme, the programmable analog battery circuit adopts an RS485 mode for communication, so that a plurality of same modules are installed on the same equipment, and the multichannel control requirement is met.
According to the technical scheme, the programmable simulation battery circuit adopts a multi-range current measurement mode, and the requirements of heavy current measurement in normal work and weak current measurement in sleep work are met.
Compared with the prior art, the invention provides a method for realizing a simulated battery, which has the following beneficial effects:
1. according to the method for realizing the simulated battery, the battery of the electronic equipment such as a mobile phone and a notebook computer is simulated by using the circuit, a series of functions such as charging and discharging, voltage regulation, overvoltage, overcurrent and overheat protection are realized, the problem that the actual measurement needs to be carried out by using a real battery in the traditional method is solved, the safety in the test process is improved, and the problem that the service life of the actual battery exists in the test is solved.
2. The method for realizing the analog battery is low in circuit cost, solves the problem that the traditional programmable power supply is high in test cost, simultaneously solves the problems of equipment space limitation and the like by using a small module design, and solves the problem of multi-module application by using an RS485 communication bus.
Drawings
Fig. 1 is a functional block diagram of an analog battery implementation method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a method for implementing an analog battery includes a programmable analog battery circuit for the implementation method, the programmable analog battery circuit is controlled by a microprocessor MCU, and the microprocessor MCU controls an analog battery test, which includes the following steps:
s1, supplying power to the analog battery, and initializing the system by the microprocessor MCU;
s2, when testing, the upper computer sends a voltage output command through the UART/RS485 serial port communication interface according to the testing step, and the microprocessor MCU executes a voltage output function after receiving the command;
s3, the upper computer sends a command through a UART/RS485 bus according to the requirements of the test steps, and reads the parameters of the output voltage and the output current of the analog battery;
s4, after the battery is simulated to be electrified, the microprocessor MCU monitors and measures parameters of output voltage, output current and power supply temperature in real time;
s5, simulating the battery to use hardware to detect overcurrent, overvoltage and overheat modes to monitor abnormal states;
and S6, realizing reverse charging of the battery based on hardware detection.
Specifically, in S1, when power is supplied to the analog battery, the DC24V is selected to supply power to the analog battery.
Specifically, in S1, the setting content of the system initialization includes setting data parameters of a default value of the output voltage of the analog battery, a forward overcurrent protection value, a reverse overcurrent protection value, and a power-on slope.
Specifically, in S6, when the external circuit performs reverse charging, the analog battery automatically starts and stops the electronic load by detecting the current direction, so as to achieve the purpose of reverse charging.
Specifically, the programmable analog battery circuit sets the digital-to-analog DAC output voltage to control the DC/DC conversion to realize the adjustment of the output voltage.
Specifically, the programmable analog battery circuit solves the voltage drop of the analog battery on the line in a large current by selecting a remote sampling compensation mode.
Specifically, in S6, the programmable analog battery circuit monitors the output current direction using hardware, and automatically controls the electronic load to access, so as to meet the requirement of the high-transient reverse charging test.
Specifically, the programmable analog battery circuit selects an RS485 mode for communication, so that a plurality of same modules are installed on the same equipment by the programmable analog battery, and the multichannel control requirement is met.
Specifically, the programmable analog battery circuit adopts a multi-range current measurement mode, and meets the requirements of heavy current measurement during normal work and weak current measurement during sleep work.
Example two:
a realization method of an analog battery comprises a programmable analog battery circuit used for the realization method, the programmable analog battery circuit is controlled by a microprocessor MCU, and the microprocessor MCU controls the test of the analog battery, which comprises the following steps:
s1, supplying power to the analog battery, and initializing the system by the microprocessor MCU;
s2, when testing, the upper computer sends a voltage output command through the UART/RS485 serial port communication interface according to the testing step, and the microprocessor MCU executes a voltage output function after receiving the command;
s3, the upper computer sends a command through a UART/RS485 bus according to the requirements of the test steps, and reads the parameters of the output voltage and the output current of the analog battery;
s4, after the battery is simulated to be electrified, the microprocessor MCU monitors and measures parameters of output voltage, output current and power supply temperature in real time;
s5, simulating the battery to use hardware to detect overcurrent, overvoltage and overheat modes to monitor abnormal states;
and S6, realizing reverse charging of the battery based on hardware detection.
Specifically, in S1, when power is supplied to the analog battery, the DC24V is selected to supply power to the analog battery.
Specifically, in S1, the system initialization includes the following specific steps:
1) reading default setting parameters of the EEPROM through an I2C bus;
2) initializing the digital-to-analog conversion DAC and the analog-to-digital conversion ADC through the SPI bus;
3) the initialization setting is completed.
Specifically, in S6, when the external circuit performs reverse charging, the analog battery automatically starts and stops the electronic load by detecting the current direction, so as to achieve the purpose of reverse charging.
Specifically, the programmable analog battery circuit sets the digital-to-analog DAC output voltage to control the DC/DC conversion to realize the adjustment of the output voltage.
Specifically, the programmable analog battery circuit solves the voltage drop of the analog battery on the line in a large current by selecting a remote sampling compensation mode.
Specifically, in S6, the programmable analog battery circuit monitors the output current direction using hardware, and automatically controls the electronic load to access, so as to meet the requirement of the high-transient reverse charging test.
Specifically, the programmable analog battery circuit selects an RS485 mode for communication, so that a plurality of same modules are installed on the same equipment by the programmable analog battery, and the multichannel control requirement is met.
Specifically, the programmable analog battery circuit adopts a multi-range current measurement mode, and meets the requirements of heavy current measurement during normal work and weak current measurement during sleep work.
The invention has the beneficial effects that: according to the method for realizing the simulated battery, the battery of the electronic equipment such as a mobile phone and a notebook computer is simulated by using the circuit, a series of functions such as charging and discharging, voltage regulation, overvoltage, overcurrent and overheat protection are realized, the problem that the actual measurement needs to be carried out by using a real battery in the traditional method is solved, the safety in the test process is improved, and the problem that the service life of the actual battery exists in the test is solved.
The method for realizing the analog battery is low in circuit cost, solves the problem that the traditional programmable power supply is high in test cost, simultaneously solves the problems of equipment space limitation and the like by using a small module design, and solves the problem of multi-module application by using an RS485 communication bus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A realization method of an analog battery is characterized by comprising a programmable analog battery circuit used for the realization method, wherein the programmable analog battery circuit is controlled by a microprocessor MCU (microprogrammed control Unit), and the microprocessor MCU is used for controlling the test of the analog battery, and the method comprises the following specific steps:
s1, supplying power to the analog battery, and initializing the system by the microprocessor MCU;
s2, when testing, the upper computer sends a voltage output command through the UART/RS485 serial port communication interface according to the testing step, and the microprocessor MCU executes a voltage output function after receiving the command;
s3, the upper computer sends a command through a UART/RS485 bus according to the requirements of the test steps, and reads the parameters of the output voltage and the output current of the analog battery;
s4, after the battery is simulated to be electrified, the microprocessor MCU monitors and measures parameters of output voltage, output current and power supply temperature in real time;
s5, simulating the battery to use hardware to detect overcurrent, overvoltage and overheat modes to monitor abnormal states;
and S6, realizing reverse charging of the battery based on hardware detection.
2. The method as claimed in claim 1, wherein in S1, when the analog battery is powered, DC24V is selected to power the analog battery.
3. The method of claim 1, wherein in S1, the system initialization includes the following specific steps:
1) reading default setting parameters of the EEPROM through an I2C bus;
2) initializing the digital-to-analog conversion DAC and the analog-to-digital conversion ADC through the SPI bus;
3) the initialization setting is completed.
4. The method of claim 1, wherein in S1, the setting content of the system initialization includes setting data parameters of the default value of the output voltage of the analog battery, the forward overcurrent protection value, the reverse overcurrent protection value, and the power-on slope.
5. The method as claimed in claim 1, wherein in S6, when the external circuit performs reverse charging, the analog battery automatically starts and stops the electronic load by detecting a current direction, so as to achieve the purpose of reverse charging.
6. The method of claim 1, wherein the programmable analog battery circuit sets the DAC output voltage to control the DC/DC conversion to adjust the output voltage.
7. The method of claim 1, wherein the programmable analog battery circuit is configured to account for voltage drop on the line of the analog battery at high current by using remote sampling compensation.
8. The method of claim 1, wherein in S6, the programmable analog battery circuit monitors the output current direction using hardware, and automatically controls the electronic load to be connected, so as to meet the requirement of high-transient reverse charging test.
9. The method for implementing the analog battery according to claim 1, wherein the programmable analog battery circuit adopts an RS485 mode for communication, so that a plurality of same modules are installed on the same equipment of the programmable analog battery, and the requirement of multi-channel control is met.
10. The method as claimed in claim 1, wherein the programmable analog battery circuit adopts a multi-range current measurement mode to meet the requirements of heavy current measurement during normal operation and weak current measurement during sleep operation.
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| CN202010955051.5A CN112162125A (en) | 2020-09-11 | 2020-09-11 | Method for realizing simulation battery |
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| CN202010955051.5A CN112162125A (en) | 2020-09-11 | 2020-09-11 | Method for realizing simulation battery |
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Cited By (2)
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| CN113495215A (en) * | 2021-06-28 | 2021-10-12 | 清华大学深圳国际研究生院 | Virtual battery cell system, operation method thereof and twin battery |
| CN116525977A (en) * | 2023-06-30 | 2023-08-01 | 深圳市研盛芯控电子技术有限公司 | Computer system based on support power battery |
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Application publication date: 20210101 |