CN110736915A - Analog battery debugging circuit and analog battery debugging device - Google Patents
Analog battery debugging circuit and analog battery debugging device Download PDFInfo
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- CN110736915A CN110736915A CN201910989907.8A CN201910989907A CN110736915A CN 110736915 A CN110736915 A CN 110736915A CN 201910989907 A CN201910989907 A CN 201910989907A CN 110736915 A CN110736915 A CN 110736915A
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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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
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/206—Switches for connection of measuring instruments or electric motors to measuring loads
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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Abstract
The embodiment of the application discloses analog battery debugging circuits and an analog battery debugging device comprising the analog battery debugging circuits, wherein each analog battery debugging circuit comprises an input power supply unit and a battery simulation unit, the input power supply unit is used for inputting a power supply signal, the power supply signal comprises overvoltage and overcurrent protection, and the battery simulation unit is electrically connected with the input power supply unit and used for executing voltage conversion aiming at the power supply signal and obtaining at least power supply voltages which are used for being provided to a load circuit for executing working parameter testing.
Description
Technical Field
The application relates to the technical field of simulated batteries, in particular to a simulated battery debugging circuit and a simulated battery debugging device.
Background
With the continuous push of various electronic products, nowadays, manufacturers mainly use batteries or battery packs as power supply systems for detecting circuit boards containing working circuits in electronic products, and in debugging designs, the circuit boards are often connected with physical batteries or battery packs.
In the debugging of the circuit board of the tested product, the physical battery or the battery pack is electrically connected with the physical battery or the battery pack as a power supply system, if the tested circuit board works abnormally or short-circuit faults exist, a loop formed by the battery or the battery pack connected with the physical battery or the battery pack generates large short-circuit current, the current limiting function is not arranged in the circuit system of the battery or the battery pack, the whole tested circuit board is damaged due to overlarge current, or the battery pack is permanently damaged, bulges or even generates heat due to large current to cause fire accidents, so that the service life of the battery or the battery pack is shortened, the testing safety is lower, and meanwhile, the debugging period of the product and the debugging cost of the product.
Disclosure of Invention
In order to solve the above problems, analog battery debugging circuits and devices with higher safety are provided.
The embodiment of the application provides a simulated battery debugging circuit, which comprises an input power supply unit, a battery simulation unit and a load circuit, wherein the input power supply unit is used for inputting a th power supply signal, the th power supply signal comprises overvoltage and overcurrent protection, the battery simulation unit is electrically connected to the input power supply unit and is used for performing voltage conversion on the th power supply signal and obtaining at least power supply voltages, the power supply voltages are used for being provided to the load circuit, and the load circuit is used for performing working parameter testing.
In the embodiment of the present application, analog battery debugging devices comprising the aforementioned analog battery debugging circuit are provided.
Compared with the prior art, the simulation battery debugging circuit disclosed in the embodiment of the application does not need a physical battery or a battery pack when debugging a load circuit, the input power supply unit is directly connected with the electronic equipment which can provide a direct current stabilized voltage supply to provide stable direct current voltage, and if the mainboard of a tested product is abnormal in work or has a short circuit, under the current limiting effect of the front-end direct current power supply equipment, the phenomenon that the mainboard of the tested product is damaged due to overhigh current in the simulation battery debugging circuit or a fire accident is caused due to the short circuit is avoided, the safety and the reliability of the simulation battery debugging circuit and the mainboard of the tested product are improved, and the debugging period of the tested product and the debugging cost of the tested product are reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 shows simulated battery debugging devices disclosed in the embodiments of the present application;
FIG. 2 is a block diagram of a simulated battery debugging circuit in the schematic structural diagram of FIG. 1;
FIG. 3 is a schematic diagram of a simulated battery debugging circuit in the structural diagram of FIG. 2;
fig. 4 is a schematic diagram of a specific circuit connection of the output connection unit shown in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all embodiments of .
Referring to fig. 1, which is a schematic structural diagram of an analog battery debugging apparatus 10 according to an embodiment of the present application , as shown in fig. 1, the analog battery debugging apparatus 10 includes an analog battery debugging circuit 100 and a load circuit, step , the analog battery debugging circuit 100 is connected to the load circuit through an output connection unit, step , DV represents a th power signal DC, and the load circuit is parts of a circuit board of a product under test.
Referring to fig. 2, a circuit block diagram of the analog battery debugging circuit 100 shown in fig. 1 in the embodiment of the present application is shown in fig. 2, where the analog battery debugging circuit 100 includes an input power unit 101, a battery simulation unit 102, a switch display module 103, a voltage detection module 104, and an output connection unit 105, and the analog battery debugging circuit 100 of the present embodiment is applied to replace a physical battery or a battery pack to directly debug and supply power to circuit boards in products such as a mobile phone circuit board, a computer circuit board, and an intelligent bracelet circuit board, so as to improve the safety and reliability of a test circuit and a motherboard of a tested product, and reduce the debugging period and the debugging cost of the tested product.
The input power supply unit 101 receives the th power signal DC, the input power supply unit 101 includes a th input terminal 101a and a second input terminal 101b, the th input terminal 101a is electrically connected to the positive terminal of the DC voltage regulator for providing positive charges to the battery simulation unit 102 and the output connection unit 105, and the second input terminal 101b is electrically connected to the negative terminal of the DC voltage regulator for providing negative charges to the battery simulation unit 102 and the output connection unit 105.
In this embodiment, the input power unit 101 is configured to input an th power signal DC, the th power signal DC includes overvoltage and overcurrent protection, and a voltage value output by the input power unit 101 is determined according to an electrical parameter of a load circuit, and is further that the DC voltage regulator connected to the input power unit 101 is an electronic module having a function of outputting a DC voltage regulator, such as a DC-DC voltage regulator or an adjustable DC voltage regulator.
The battery simulation unit 102 comprises a 3875 single-cell simulation battery device, a … …, an N-1 single-cell simulation battery device and an N single-cell simulation battery device, wherein the single-cell simulation battery device is used for simulating a battery cell in a battery pack, the … … single-cell simulation battery device is connected in series with the N-1 single-cell simulation battery device and is used for simulating a battery cell in the battery pack, the single-cell simulation battery device is electrically connected with the input end 101a of the input power unit 101, the N single-cell simulation battery device is electrically connected with the second input end 101b of the input power unit 101, and N is a positive integer greater than or equal to 1.
The single analog battery is used for outputting stable direct current voltages with different parameter values according to the electrical parameters of the load circuit, and further , the sum of the voltage values of the st single analog battery, … … st single analog battery, the N-1 st single analog battery and the N-th single analog battery is equal to the voltage value of the input power unit 101.
The switch display module 103 is electrically connected to the input power unit 101 and the battery simulation unit 102, and is configured to control on/off of the dc regulated power supply according to a switch control signal, selectively transmit the power supply voltage to the output connection unit, and display a current of the battery simulation unit, the switch display module 103 includes an th switch display unit 1031, second switch display units 1032 and … …, an N-1 th switch display unit 103N-1, an nth switch display unit 103N, and an N +1 th switch display unit 103N + 1.
The switch display unit , the switch display unit 1031, which is electrically connected to the input terminal 101a of the , is used for displaying the current value of the loop of the input terminal 101a of the 0, includes the analog switch 1 of the and the ammeter A1, further , the ammeter A1 is connected in parallel to the analog switch 1 of the , the switch display unit 1032 is electrically connected to the voltage terminal N1 of the , and is used for displaying the test circuit current value of the single-cell analog battery of the , includes the analog switch 2 and the ammeter A2, further , the ammeter A2 is connected in parallel to the analog switch 2, the switch display unit 103N, is electrically connected to the voltage terminal Nn, and is used for displaying the test circuit current value of the single-cell analog battery of the N-1, includes the analog switch N and the ammeter An, further , the ammeter An is connected in parallel to the analog switch N, the switch display unit 103N +1 is electrically connected to the second input terminal 101b, is used for displaying the test circuit current value of the single-cell analog battery, the ammeter A +1 is connected in parallel to the analog switch N +1, and the electronic relay is connected in parallel to the triode , and the analog switch is connected in parallel to the analog switch N + 1.
The voltage detection module 104 is electrically connected to the switch display module 103, and is configured to display a voltage value of the input power unit and a voltage value of the test circuit. The voltage detecting module 104 includes a voltmeter V1, voltmeters V2, … …, a voltmeter Vn and a voltmeter Vn + 1.
The voltmeter V1 is electrically connected between the nth voltage terminal Nn and the second input terminal 101b for detecting the voltage value of the single analog battery N, the voltmeter V2 is electrically connected between the nth voltage terminal Nn and the nth-1 voltage terminal Nn-1 for detecting the voltage value of the single analog battery N-1, the voltmeter Vn is electrically connected between the voltage terminal N1 and the input terminal 101a for detecting the voltage value of the single analog battery 1, and the voltmeter Vn +1 is electrically connected between the input terminal 101a and the second input terminal 101b for displaying the voltage value of the input unit 100.
The output connection unit 105 is electrically connected to the voltage detection module 104 for connecting to the load circuit, and the number of pins of the output connection unit 105 is determined by the parameters of the load circuit itself, and the output connection unit 105 may be a fixed pluggable base, which may be regular or irregular in shape according to the interface shape of the load circuit.
As shown in fig. 2, before the load circuit is debugged, the voltage value of a single analog battery in the battery analog unit 102 is adjusted according to the parameters of the load circuit, and at this time, the analog switches in the switch display module 103 are all in an off state. The voltmeter in the voltage detection module 104, the ammeter in the switch display module 103 and the adjusted battery simulation unit 102 are connected to the output connection unit 105, and then the load circuit is connected to the output connection unit 105. In order to prevent the load circuit from having defects, the debugging current is turned on and then the load circuit is damaged due to excessive current, so the (N + 1) th switch display unit 103N +1 is turned on first, if the short circuit phenomenon does not occur, the (N) th switch display unit 133N is turned on, and the steps are repeated until all the analog switches in the switch display module 103 are turned on.
In the process of debugging the load circuit, if the voltage value input by the tested mainboard needs to be tested is also the voltage value input by the power supply unit 101, the voltage value of the voltmeter Vn +1 is read, if the voltage value of the test circuit in the tested mainboard needs to be tested is also the voltage value of a single-section simulation battery in the battery simulation unit 102, the voltage values of the voltmeter V1, the voltmeters V2 and … … are sequentially read, and in the process of debugging the load circuit, if the voltage value of the -th single-section simulation battery in the battery simulation unit 102 is adjusted, the voltage value of the voltmeter Vn is changed, but the voltage value at the voltmeter Vn +1 is not changed, and if the voltage value at the voltmeter Vn +1 needs to be adjusted, the magnitude of the -th input power supply signal DC input by the power supply unit 101 is adjusted.
In the process of debugging the load circuit, if the total input current of the tested mainboard needs to be tested, namely the output current of the input power supply unit 101, th simulation fast switch 1 in the switch display module 103 is disconnected, at the moment, An ammeter A1 in the simulation battery test circuit is connected in series in the circuit, and the output current value of the input power supply unit 101 can be visually displayed, if the current value of the test circuit in the tested mainboard needs to be tested, namely the current value of each single simulation battery in the battery simulation unit 102, part or all of the simulation switches in the switch display module 103 are sequentially disconnected, at the moment, the ammeters A2 and … … in the simulation battery test circuit, the ammeter An-1 and the ammeter An are connected in series in the circuit, and the current value of the test circuit connected with the tested startup power supply mainboard can be visually displayed.
More specifically, please refer to fig. 3, which is a schematic diagram of the simulated battery debugging circuit in the structural schematic diagram of fig. 2, as shown in fig. 3, the simulated battery testing circuit 200 outputs four power supply voltages with the same voltage difference, including the th input terminal V +, the second input terminal V-, the battery simulation unit 202, the switch display module 203, the voltage detection module 204, and the output connection unit 205.
The th input terminal V + and the second input terminal V-are electrically connected to the positive terminal and the negative terminal of the DC regulator device, respectively, for inputting the regulated DC current to the load circuit and the battery simulation unit 202. in this embodiment, the th input V + and the second input V-have voltage values adjustable to a predetermined voltage value Vt, which is any voltage value within the range of 12.8V-16.8V in this embodiment.
The battery simulation unit 202 is electrically connected to the V + and V-input terminals , V-input terminal for adjusting the voltage values of the th, second, and third voltage terminals V1, V2, and V3. further , the battery simulation unit 202 includes, in series, a th simulated battery RP1, a second simulated battery RP2, a third simulated battery RP3, and a fourth simulated battery rp4. an th simulated battery RP1, which are electrically connected between the V + and V1 + input terminals for adjusting the voltage value of the th supply voltage, a second simulated battery RP2, which is electrically connected between the V9 and V2 voltage terminals for adjusting the voltage value of the second supply voltage, a third simulated battery RP3, which is electrically connected between the V2 and V3 voltage terminals for adjusting the V6867 and V87458, and a fourth simulated battery RP 72 for adjusting the voltage values of the 3-3 th supply voltage.
In this embodiment, the voltage difference values of the th simulated battery RP1, the second simulated battery RP2, the third simulated battery RP3 and the fourth simulated battery RP4 are all the same, and the voltage values of the th simulated battery RP1, the second simulated battery RP2, the third simulated battery RP3 and the fourth simulated battery RP4 are preset to be the set voltage Vr in steps, the voltage value of the set voltage Vr is any voltage value within the range of 3.2V-4.2V, in steps, the voltage difference value between the V + input end of the and the V3 of the simulated battery is the power supply voltage of the th simulated battery, the voltage difference value between the V3 of the third voltage end and the V2 of the second voltage end is the second power supply voltage of the simulated battery, the voltage difference value between the V2 end and the V1 of the third voltage end of the simulated battery is the third power supply voltage of the simulated battery, and the V639 voltage difference value between the V599 of the fourth simulated battery input end is the voltage Vr.
In the present embodiment, the th analog battery RP1, the second analog battery RP2, the third analog battery RP3 and the fourth analog battery RP4 are electronic modules with adjustable voltage division, and may be resistors, adjustable resistors and other adjustable voltage dividers.
The switch display module 203 comprises a th switch display unit 2031, a second switch display unit 2032, a third switch display unit 2033, a fourth switch display unit 2034, a fifth switch display unit 2035 and at least ammeters A1, wherein the th switch display unit 2031, the second switch display unit 2032, the third switch display unit 2033, the fourth switch display unit 2034 and the fifth switch display unit 2035 are connected in parallel.
The th switch display unit 2031 is electrically connected to the V + of the th input end V +, and is used to control the on/off of the current of the V + test circuit of the th input end V + and display the current value of the V + test circuit of the th input end v.the th switch display unit 2031 includes the th analog switch SW1 and the sixth base P6, the th analog switch SW1 and the sixth base P6 are connected in parallel between the V + of the input th input end and the output positive voltage end B +.
The second switch display unit 2032 is electrically connected to the voltage terminal V1 of the for controlling the on/off of the current of the test circuit at the voltage terminal V1 of the and displaying the current value of the power supply voltage of the . the second switch display unit 2032 comprises a second analog switch SW2 and a seventh pedestal P7, the second analog switch SW2 and the seventh pedestal P7 are connected in parallel between the voltage terminal V3 and the output voltage terminal B3. if the current value of the circuit at the third voltage terminal V3 needs to be tested, the second analog switch SW2 is turned off, the seventh pedestal P7 is connected in series in the test circuit, and the tenth pedestal P11 connected with the ammeter A1 is connected with the seventh pedestal P7, i.e. the measurable current value of the power supply voltage of the . the values 1 and 2 in the seventh pedestal P7 represent the pin 1 and the second pin 2 in the pedestal.
The third switch display unit 2033 is electrically connected to the second voltage terminal V2, and is used for controlling the on/off of the current of the test circuit of the second voltage terminal V2 and displaying the current value of the second power supply voltage.A third switch display unit 2033 comprises a third analog switch SW3 and an eighth pedestal P8, the third analog switch SW3 and the eighth pedestal P8 are connected in parallel between the second voltage terminal V2 and the second output voltage terminal B2. if the current value of the circuit of the second voltage terminal V2 needs to be tested, the third analog switch SW3 is turned off, the eighth pedestal P8 is connected in series in the test circuit, and the tenth pedestal P11 connected with the ammeter A1 is connected with the eighth pedestal P8, i.e. the measurable current value of the second power supply voltage.A numerical values 1 and 2 in the eighth pedestal P8 represent the first pin and the second pin 2 in the pedestal.
The third switch display unit 2034 comprises a fourth analog switch SW4 and a ninth base P9, wherein the fourth analog switch SW4 and the ninth base P9 are connected in parallel between the voltage terminal V1 of the and the output voltage terminal B1 of the , if the current value of the voltage terminal V1 circuit of the needs to be tested, the fourth analog switch SW4 is turned off, the ninth base P9 is connected in series in the test circuit, the tenth base P11 connected with the ammeter A1 is connected with the ninth base P9, namely, the measurable current value of the third supply voltage circuit, and the values 1 and 2 in the ninth base P9 represent the pin 1 and the second pin 2 in the base.
The fifth switch display unit 2035 is electrically connected to the second input terminal V-for controlling the on/off of the current of the second input terminal V-circuit and displaying the current value of the fourth power supply voltage, the fifth switch display unit 2035 includes a fifth analog switch SW5 and a tenth base P10, the fifth analog switch SW5 and the tenth base P10 are connected in parallel between the second input terminal V-and the output negative voltage terminal B-if the current value of the second input terminal V-test circuit needs to be tested, the fifth analog switch SW5 is turned off, the tenth base P10 is connected in series in the test circuit, the tenth base P11 connected by the ammeter a1 is connected to the tenth base P10, i.e. the measurable current value of the fourth power supply voltage, the values 1 and 2 in the tenth base P10 indicate the first pin 1 and the second pin 2 of the base .
The analog switch SW1, the second analog switch SW2, the third analog switch SW3, the fourth analog switch SW4 and the fifth analog switch SW5 comprise electronic devices with on-off functions, such as relays, transistors or circuit breakers of analog switches, and the sixth pedestal P6, the eighth pedestal P8, the ninth pedestal P9, the tenth pedestal P10 and the tenth pedestal P11 are pluggable pedestals with structures which are mutually embedded.
The voltage detection module 204 is electrically connected to the switch display module 203 and is used for displaying the voltage values of the input terminal V + and the second input terminal V-of the and the voltage value of the battery simulation unit 202. the voltage detection module 204 comprises a th base P1, a second base P2, a third base P3, a fourth base P4, a thirteenth base P13 and at least voltmeters V1.
The fifth base P is electrically connected between the fifth base P and the fourth base P, and is used for measuring the voltage value of the third supply voltage, and outputting the voltage value of the fourth supply voltage, and the voltage value of the fourth supply voltage is output by the third base P and the fourth base P, and is electrically connected between the fourth base P and the fourth base P, and is used for simulating the voltage value of the fourth supply voltage, and the voltage value of the fourth supply voltage is output by the fourth base P.
The th pad P1, the second pad P2, the third pad P3, the fourth pad P4, the thirteenth pad P13 and the fifth pad P5 comprise pluggable pads with structures fitting with each other, wherein the values 1 and 2 represent the th pin 1 and the second pin 2 in the pads.
The output connection unit 205 is electrically connected to the voltage detection module 204 and configured to output a test current to the load circuit, the output connection unit 205 at least includes output connection sockets P12, in this embodiment, the output connection socket P12 has five pins, wherein the th output pin 1 is electrically connected to the th output voltage terminal B +, the second output pin 2 is electrically connected to the second output voltage terminal B2, the third output pin 3 is electrically connected to the third output voltage terminal B3, the fourth output pin 4 is electrically connected to the fourth output voltage terminal B4, the fifth output pin 5 is electrically connected to the fifth output voltage terminal B-, and the structure or the type of the output connection socket P12 is determined according to the interface structure and the type of the power motherboard to be tested.
The th output voltage terminal B + is electrically connected to the th analog switch SW1, the second output voltage terminal B2 is electrically connected to the second analog switch SW2, the third output voltage terminal B3 is electrically connected to the third analog switch SW3, the fourth output voltage terminal B4 is electrically connected to the fourth analog switch SW4, and the fifth output voltage terminal B-is electrically connected to the fifth analog switch SW 5.
In this embodiment, the rd simulated battery RP1 adjusts the voltage value of the th supply voltage in the simulated battery test circuit 200 and measures the current value and the voltage value of the th supply voltage through the seventh base P7 and the th base P1, respectively, the second simulated battery RP2 adjusts the voltage value of the second supply voltage in the simulated battery test circuit 200 and measures the current value and the voltage value of the second supply voltage through the eighth base P8 and the second base P2, respectively, the third simulated battery RP3 adjusts the voltage value of the third supply voltage in the simulated battery test circuit 200 and measures the current value and the voltage value of the third supply voltage through the ninth base P9 and the third base P3, respectively, the fourth simulated battery RP4 adjusts the voltage value of the fourth supply voltage in the simulated battery test circuit 200 and measures the current value and the voltage value of the fourth supply voltage through the tenth base P9 and the fourth base P39 4, respectively, and the thirteenth base P6 and the input voltage value of the simulated battery test circuit 200 and the sixth base P582.
More specifically, please refer to fig. 4, which is a schematic diagram illustrating a specific circuit connection of the output connection unit shown in fig. 3, as shown in fig. 4, the input connection circuit 300 includes an input connection socket P14 and a load circuit P15, the input connection socket P14 is electrically connected to the output connection unit 205, and is at least connected to the output connection socket P12 of the output connection units 205 for connecting the load circuit and outputting a test current to the load circuit, the load circuit P15 is electrically connected to the input connection socket P14 for providing a test dc current to the load circuit.
The pin 1 of the input connector socket P14 is connected to the pin 1 of the output connector socket P12 and the pin B + of the load circuit P15, the second pin 2 of the input connector socket P14 is connected to the second pin 2 of the output connector socket P12 and the second pin V3 of the load circuit P15, the third pin 3 of the input connector socket P14 is connected to the third pin 3 of the output connector socket P12 and the third pin V2 of the load circuit module P15, the fourth pin 4 of the input connector socket P14 is connected to the fourth pin 4 of the output connector socket P12 and the fourth pin V1 of the load circuit P15, and the fifth pin 5 of the input connector socket P14 is connected to the fifth pin 5 of the output connector socket P12 and the fifth pin B-of the load circuit P15.
Before the power main board is started through testing, the th simulated battery RP1, the second simulated battery RP2, the third simulated battery RP3 and the fourth simulated battery RP4 in the battery simulation unit 102 are sequentially adjusted to the set voltage value Vr according to the electrical parameters of the load circuit, then the th simulated switch SW1, the second simulated switch SW2, the third simulated switch SW3, the fourth simulated switch SW4 and the fifth simulated switch SW5 in the switch display module 203 are sequentially turned off, the input connecting socket P14 is connected with the output connecting unit 205, and normal power supply can be performed on the load circuit.
When the test control mainboard starts the power module to be in the over-charge and over-discharge conditions, a fifth base P5 of a voltmeter V1 is connected with a th base P1 in the voltage detection module 204, a th simulated battery RP1 is adjusted according to the voltage value displayed by the voltmeter V1, the over-charge and over-discharge voltage value of the th power supply voltage in the battery test circuit 200 is simulated, a fifth base P5 of a voltmeter V1 is respectively connected with a second base P2, a third base P3 and a fourth base P4 in the voltage detection module 204, then the second simulated battery RP2, a third simulated battery RP3 and a fourth simulated battery RP4 are sequentially adjusted, the over-charge and over-discharge voltage values of the second power supply voltage, the third power supply voltage and the fourth power supply voltage in the simulated battery test circuit 200 are sequentially displayed, and a fifth base P5 of the voltmeter V1 is connected with a thirteenth base P13, so that the over-charge and over-discharge voltage value in the simulated battery test circuit 200 can be displayed.
When the conditions of current, overcurrent, short circuit and the like of a power supply module started by a test control main board are detected, if a third analog switch SW is switched off, a tenth base P and a sixth base P of an ammeter A are switched on, a second analog switch SW, a third analog switch SW, a fourth analog switch SW and a fifth analog switch SW are switched on, and an output connecting end P and a load circuit are switched on, so that the current value of a 0 th input end V + can be measured, if the second analog switch SW is switched off, a tenth 1 base P and a seventh base P of the ammeter A are switched on, the third analog switch SW, the fourth analog switch SW and the fifth analog switch SW are switched on, so that the current value of a first power supply voltage can be measured, if the third analog switch SW is switched off, the tenth base P and an eighth base P of the ammeter A are switched on, the third analog switch SW, the second analog switch SW and the fourth analog switch SW are switched on, the output connecting end P and the load circuit is switched on, so that the current value of the second power supply voltage can be measured, if the fourth analog switch SW and the tenth analog switch SW are switched on, the fourth analog switch SW and the load circuit are switched on, so that the current value of the fourth analog switch SW and the tenth analog switch SW are switched on, so that the tenth analog switch SW and the tenth analog switch SW are switched on, and the load circuit are switched on, so that the current value of the tenth analog switch SW can be measured, and the load circuit are switched on, so that the load circuit can be measured, and the tenth analog switch SW can be measured, and the load circuit, and the current value of the load circuit is switched on, so that the tenth.
Compared with the prior art, the simulation battery test circuit in the simulation battery debugging device 10 is simple and easy to understand, replaces a physical battery or a battery pack, is convenient for a user to obtain the voltage and the current of the test circuit when debugging a product control mainboard, improves the safety and the reliability of the simulation battery test circuit and the mainboard of a tested product, and reduces the debugging period of the tested product and the debugging cost of the tested product.
The analog battery debugging circuits disclosed in the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application, and meanwhile, for a person skilled in the art , according to the idea of the present application, there are changes in the specific embodiments and the application scope, and in conclusion, the content of the present description should not be construed as a limitation to the present application.
Claims (12)
1, analog battery debugging circuit, comprising:
the input power supply unit is used for inputting th power supply signals, wherein the th power supply signals comprise overvoltage and overcurrent protection;
and the battery simulation unit is electrically connected with the input power supply unit and used for performing voltage conversion on the th power supply signal and obtaining at least power supply voltages, wherein the power supply voltages are used for being provided to a load circuit, and the load circuit is used for performing working parameter tests.
2. The analog battery debugging circuit of claim 1, further comprising a switch display module electrically connected to the input power unit and the battery simulation unit for selectively transmitting the supply voltage to an output connection unit according to a switch control signal, the output connection unit being electrically connected to the load circuit;
when the switch display module is in a conducting state, the battery simulation unit is electrically conducted with the load circuit, and the current value of the battery simulation unit is not displayed; when the switch display module is in an off state, the battery simulation unit is electrically disconnected from the load circuit, and the switch display module displays the current value in the battery simulation unit;
and the voltage detection module is electrically connected between the switch display module and the load circuit and used for detecting and displaying the voltage value of the power supply voltage and the voltage value of the battery simulation unit.
3. The analog battery debugging circuit of claim 1 or 2, wherein the battery emulator unit comprises at least single analog batteries, the single analog batteries being electrically connected between the input of the input power unit and the second input of the input power unit, the input and the second input being configured to receive the power signal, the single analog batteries being configured to adjust the voltage level of the power supply voltage according to the electrical parameter of the load circuit;
the voltage value of the battery simulation unit is equal to the voltage value of the input power supply unit.
4. The analog battery debugging circuit of claim 3, wherein the battery simulation unit comprises N single analog battery devices, the N single analog battery devices are sequentially connected in series between the th input terminal and the second input terminal, and N is a natural number and is greater than or equal to 1.
5. The analog battery debug circuit of claim 4, wherein each of said single analog battery devices comprises an adjustable variable resistor for adjusting the voltage of said input power supply unit and obtaining said supply voltage;
the N single-section simulation battery devices comprise an th single-section simulation battery device, a … … th N-1 st single-section simulation battery device and an Nth single-section simulation battery device;
the th single-cell simulator is electrically connected between the th input terminal and the th voltage terminal, the N-1 st single-cell simulator is electrically connected between the N-1 th voltage terminal and the nth voltage terminal, and the N single-cell simulator is electrically connected between the nth voltage terminal and the second input terminal.
6. The analog battery debugging circuit of claim 5, wherein the switch display module comprises N +1 switch display units, and the N +1 switch display units correspond to the th input terminal and the N single analog batteries for controlling the on/off of the th input terminal and the N single analog batteries respectively and displaying the current values of the input power unit and the N single analog batteries.
7. The analog battery debugging circuit of claim 6, wherein the N +1 switch display units comprise an th switch display unit, a second switch display unit, a … … N-1 th switch display unit, an Nth switch display unit, and an N +1 th switch display unit;
the th switch display unit is electrically connected to the th input end of the input power supply unit and is used for displaying the current value of the th input end of the input power supply unit;
the second switch display unit is electrically connected between the th voltage end and the output connection unit and is used for displaying the current value of the th single-section simulation battery;
the Nth switch display unit is electrically connected between the nth voltage end and the output connection unit and is used for displaying the current value of the (N-1) th single-section simulator;
and the (N + 1) th switch display unit is electrically connected between the second input end and the output connection unit and is used for displaying the current value of the Nth single-section simulator.
8. The analog battery debugging circuit of claim 7, wherein each switch display units at least comprise analog switches and ammeters, the ammeters being connected in parallel to the analog switches;
the analog switch is used for controlling the on and off of the battery analog unit and the load circuit, when the analog switch is switched off, the battery analog unit and the load circuit are switched off, and the ammeter is connected in series between the battery analog unit and the load circuit and used for displaying the current value in the test circuit;
when the simulation switch is closed, the battery simulation unit is conducted with the load circuit, and the current value between the battery simulation unit and the load circuit is not displayed by the ammeter.
9. The analog battery debugging circuit of claim 8, wherein the switch display unit comprises th analog switch, a second analog switch, …. N-1 th analog switch, an Nth analog switch, and an N +1 th analog switch, wherein the th analog switch is electrically connected between the th input terminal and the output connection unit, the second analog switch is electrically connected between the th voltage terminal and the output connection unit, the Nth analog switch is electrically connected between the nth voltage terminal and the output connection unit, and the N +1 th analog switch is electrically connected between the second input terminal and the output connection unit.
10. The analog battery debug circuit of claim 9, wherein said voltage detection module comprises at least voltmeters;
the at least voltmeters are electrically connected between the input end and the second input end and are used for displaying the voltage value of the input power supply unit;
the at least voltmeters are also connected in parallel with the single analog battery device and are used for displaying the voltage value of the single analog battery device.
11. The analog battery debugging circuit of claim 10, wherein the input power supply unit input is a dc power supply, and the voltage value of the dc power supply is determined according to the electrical parameters of the load circuit, and the electrical parameters of the load circuit include the rated voltage and the rated current of the load circuit.
12, a simulated battery commissioning device comprising the simulated battery commissioning circuit of any of claims 1-11 to .
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910989907.8A CN110736915A (en) | 2019-10-17 | 2019-10-17 | Analog battery debugging circuit and analog battery debugging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114034924A (en) * | 2021-09-29 | 2022-02-11 | 重庆康佳光电技术研究院有限公司 | Control signal power measurement apparatus, system, method and readable storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114034924A (en) * | 2021-09-29 | 2022-02-11 | 重庆康佳光电技术研究院有限公司 | Control signal power measurement apparatus, system, method and readable storage medium |
| CN114034924B (en) * | 2021-09-29 | 2023-11-03 | 重庆康佳光电科技有限公司 | Control signal power measurement apparatus, system, method, and readable storage medium |
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