Equalizer aging device

By designing an equalizer aging device that includes an MCU module and a data display module, the problem of unintuitive monitoring results in existing devices is solved. This enables direct display of voltage and current information and simultaneous testing of multiple equalizers, thereby improving testing efficiency and reducing costs.

CN223526385UActive Publication Date: 2025-11-07XIAN BAOLONG DEAN AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202422477672.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-11-07
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

Existing equalizer aging devices cannot intuitively display monitoring results, leading to inconvenient observation and affecting testing efficiency and cost.

Method used

An equalizer aging device was designed, comprising an aging chamber, a load placement chamber, a data monitoring and display device, and a power supply. Through an MCU module, a voltage monitoring module, a current monitoring module, and a data display module, the equalizer's voltage and current information can be directly collected and displayed, and multiple equalizers can be tested simultaneously.

Benefits of technology

It enables intuitive monitoring of the equalizer aging process, improves testing efficiency, reduces workload and resource requirements, and reduces testing time and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an aging device, and aims to solve the technical problems that a monitoring result of an existing equalizer aging device on an equalizer cannot be visually displayed and is inconvenient to directly observe. The utility model provides an equalizer aging device. The equalizer aging device comprises an aging oven, a load placement box, a data monitoring display device and a power supply, the aging box is internally provided with a product interface, and the equalizer is connected with the data monitoring display device through the product interface. An equalizer load and a cooling system for cooling the equalizer load are arranged in the load placement box, and the equalizer load is connected with the equalizer; and the aging oven, the equalizer load, the heat dissipation system and the data monitoring display equipment are all connected with the power supply. Compared with a conventional equalizer aging system, the equalizer aging system of the utility model can directly acquire voltage information and current information of the equalizer through the data detection device, and directly display results; the workload for obtaining the result can be reduced, and the monitoring efficiency in the aging process of the equalizer is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an aging device, in particular to an equalizer aging device. BACKGROUND

[0002] In the automotive electronics industry, the performance and reliability of power class equalizers are key factors to ensure the stable operation of vehicle electronic systems. In order to ensure the stability and durability of the equalizer in actual use, strict aging test is needed. Aging test simulates actual use conditions to accelerate the aging process of the product, so as to discover and solve potential problems in the product development stage in advance.

[0003] However, the traditional equalizer aging system cannot directly display the monitoring results of the equalizer during the aging process, and usually needs complex analysis and calculation to obtain the monitoring results, which is not convenient for direct observation. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the technical problem that the monitoring results of the equalizer in the existing equalizer aging device cannot be directly displayed and are inconvenient for direct observation, and provides an equalizer aging device.

[0005] To solve the above technical problems, the technical solution provided by the utility model is as follows:

[0006] An equalizer aging device comprises an aging box, a load placing box, a data monitoring and display device, and a power supply. The aging box is provided with a product interface, and the equalizer is connected to the data monitoring and display device through the product interface. The load placing box is provided with an equalizer load and a heat dissipation system for dissipating heat of the equalizer load, and the equalizer load is connected to the equalizer. The aging box, the equalizer load, the heat dissipation system, and the data monitoring and display device are connected to the power supply.

[0007] Further, the data monitoring and display device comprises an MCU module, and a voltage monitoring module, a current monitoring module, and a data display module connected to the MCU module.

[0008] The MCU module, the data display module, and the current monitoring module are connected to the power supply.

[0009] The voltage monitoring module and the current monitoring module are connected to the product interface, respectively used for collecting voltage information and current information of the equalizer, and uploading them to the MCU module for display by the data display module.

[0010] Further, the power supply comprises a power conversion module, and a VCC-3.3V power supply terminal, a VCC LCD power supply terminal, a VCC-5V power supply terminal, and a VCC-24V power supply terminal connected to the power conversion module.

[0011] Further, the MCU module comprises an MCU single-chip microcomputer U1;

[0012] The first pin of the MCU single-chip microcomputer U1 is connected with the negative electrode of diode D1 and diode D2 and one end of capacitor C4; the positive electrode of diode D2 is connected with the VCC-3.3V power terminal, the positive electrode of diode D1 is connected with the negative electrode of Schottky diode D3, and the positive electrode of Schottky diode D3 is connected with the other end of capacitor C4 and grounded;

[0013] The passive crystal oscillator Y1 and the resistor R6 connected in parallel are connected in series between the fifth pin and the sixth pin of the MCU single-chip microcomputer U1, and the capacitor C7 and the capacitor C8 are connected in series between the two ends of the resistor R6, and the capacitor C7 and the capacitor C8 are grounded;

[0014] The eighth pin of the MCU single-chip microcomputer U1 is grounded, and the capacitor C5 and the capacitor C6 connected in parallel are connected in series between the eighth pin and the ninth pin; one end of the resistor R7 is connected with the ninth pin, and the other end of the resistor R7 is connected with the VCC-3.3V power terminal;

[0015] The forty-third pin, the forty-fifth pin and the forty-sixth pin of the MCU single-chip microcomputer U1 are respectively connected with the negative electrode of the light-emitting diode LED3, the light-emitting diode LED2 and the light-emitting diode LED1;

[0016] One end of the resistor R8 is connected with the positive electrode of the light-emitting diode LED1, one end of the resistor R9 is connected with the positive electrode of the light-emitting diode LED2, one end of the resistor R10 is connected with the positive electrode of the light-emitting diode LED3, and the other ends of the resistor R8, the resistor R9 and the resistor R10 are connected and connected with the VCC-3.3V power terminal.

[0017] Further, the data display module comprises a display screen interface J1 and a display screen J2;

[0018] The first pin of the display screen interface J1 is connected with the VCC-3.3V power terminal, and the eighth pin is grounded;

[0019] The second pin, the third pin, the fourth pin, the fifth pin, the sixth pin and the seventh pin of the display screen interface J1 are respectively connected with the twentieth pin, the twenty-first pin, the twenty-second pin, the fourteenth pin, the sixteenth pin and the seventeenth pin of the MCU single-chip microcomputer U1 in one-to-one correspondence;

[0020] The eighth pin of the display screen J2 is connected with the second pin of the display screen interface J1;

[0021] The second pin of the display screen J2 is connected with the second pin of the triode Q1, the first pin of the triode Q1 is connected with the one end of the resistor R4 and the resistor R5, the other end of the resistor R4 is connected with the ground, and the other end of the resistor R5 is connected with the third pin of the triode Q1 and the ground;

[0022] The third pin of the display screen J2 is connected with the VCC LCD power terminal and the one end of the capacitor C2 and the capacitor C3, and the other end of the capacitor C2 and the capacitor C3 is connected with the ground.

[0023] Further, the product interface comprises a plurality of equalizer interfaces; the voltage monitoring module comprises a plurality of voltage monitoring circuits same in number with the equalizer interfaces; the current monitoring module comprises a plurality of current monitoring circuits same in number with the equalizer interfaces;

[0024] One end of the voltage monitoring circuit is connected with the equalizer interface, and the other end is connected with the MCU single-chip microcomputer U1; one end of the current monitoring circuit is connected with the equalizer interface, and the other end is connected with the MCU single-chip microcomputer U1.

[0025] Further, the voltage monitoring circuit comprises a field effect tube, the first pin of the field effect tube is connected with the one end of the first inductor and the MCU single-chip microcomputer U1; the other end of the first inductor is connected with the first pin of the equalizer interface and the ground; the second inductor is connected in series between the first pin of the equalizer interface and the second pin of the field effect tube; the third inductor is connected in series between the second pin of the equalizer interface and the second pin of the field effect tube; the third pin of the field effect tube is connected with the one end of the fourth inductor, and the other end of the fourth inductor is connected with the ground.

[0026] Further, the current monitoring circuit comprises a current sensor, the first pin and the second pin of the current sensor are connected with the fourth pin of the equalizer interface and the one end of the protection resistor, and the other end of the protection resistor is connected with the VCC-24V power terminal;

[0027] The third pin and the fourth pin of the current sensor are connected with the third pin of the equalizer interface.

[0028] The fifth pin of the current sensor is connected with the ground.

[0029] The sixth pin and the eighth pin of the current sensor are connected with the VCC-5V power terminal, the sixth pin of the current sensor is connected with the one end of the filtering capacitor, and the other end of the filtering capacitor is connected with the ground.

[0030] The seventh pin of the current sensor is connected with the MCU single-chip microcomputer U1.

[0031] Compared with the prior art, the utility model has the advantages of:

[0032] 1. The equalizer aging device provided by the utility model, equalizers are placed in the aging box, the environmental temperature conditions when the equalizers run are simulated through the aging box, the voltage information and the current information of the equalizers when the equalizers drive the equalizer load to work are monitored through the data monitoring and display equipment, and the data monitoring and display equipment displays; compared with the existing equalizer aging system, the voltage information and the current information of the equalizers can be directly collected through the data detection equipment, and the results are directly displayed; the workload when the results are obtained can be reduced, and the monitoring efficiency in the equalizer aging process can be improved.

[0033] 2. The equalizer aging device provided by the utility model, by setting the product interface as a plurality of equalizer interfaces, the voltage monitoring circuit and the circuit monitoring circuit with the same number of equalizer interfaces are set, aging test can be simultaneously performed on a plurality of equalizers, the equalizer aging test efficiency can be improved, the time and resources required for test are reduced, and the aging test cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a structural schematic view of the utility model embodiment;

[0035] Figure 2 It is a structural schematic view of the data monitoring and display equipment in the utility model embodiment;

[0036] Figure 3 It is a circuit schematic view of the MCU module in the utility model embodiment;

[0037] Figure 4 It is a circuit schematic view of the display screen interface J1 in the utility model embodiment;

[0038] Figure 5 It is a circuit schematic view of the display screen J2 in the utility model embodiment;

[0039] Figure 6 It is a circuit schematic view of the voltage monitoring circuit and the current monitoring circuit in the utility model embodiment.

[0040] Mark 1, aging box; 2, load placing box; 3, data monitoring and display equipment; 4, power supply; 5, product interface; 6, equalizer load; 7, heat dissipation system. DETAILED DESCRIPTION

[0041] The technical solutions in the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0042] As Figure 1 shown, an equalizer aging device includes an aging box 1, a load placing box 2, a data monitoring display device 3 and a power supply 4; the aging box 1 is used for adjusting the ambient temperature during operation of the equalizer placed inside the aging box 1; the aging box 1 is provided with a product interface 5, and the equalizer is connected with the data monitoring display device 3 through the product interface 5; the load placing box 2 is provided with an equalizer load 6 and a heat dissipation system 7, the heat dissipation system 7 is a heat sink and a heat exchanger, and is used for dissipating heat for the equalizer load 6; the equalizer load 6 is connected with the equalizer; the aging box 1, the equalizer load 6, the heat dissipation system 7 and the data monitoring display device 3 are all connected with the power supply 4.

[0043] As Figure 2 shown, the data monitoring display device 3 includes an MCU module, and a voltage monitoring module, a current monitoring module and a data display module connected with the MCU module; the MCU module, the data display module and the current monitoring module are all connected with the power supply 4; the voltage monitoring module and the current monitoring module are both connected with the product interface 5, and are respectively used for collecting voltage information and current information of the equalizer and uploading the same to the MCU module for display by the data display module.

[0044] In order to realize the monitoring function of the data monitoring display device 3, the circuit of the data monitoring display device 3 is set as follows:

[0045] The power supply 4 includes a power conversion module, and a VCC-3.3V power terminal, a VCCLCD power terminal, a VCC-5V power terminal and a VCC-24V power terminal connected with the power conversion module.

[0046] As Figure 3 shown, the MCU module includes an MCU single-chip microcomputer U1, a diode D1, a diode D2, a Schottky diode D3, a light-emitting diode LED1, a light-emitting diode LED2, a light-emitting diode LED3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a passive crystal oscillator Y1, a resistor R6, a resistor R7, a resistor R8, a resistor R9 and a resistor R10;

[0047] The model of the MCU single-chip microcomputer U1 is STM32F103C8T6;

[0048] The first pin of the MCU single-chip microcomputer U1 is connected with the negative pole of the diode D1 and the diode D2 and one end of the capacitor C4; the positive pole of the diode D2 is connected with the VCC-3.3V power terminal, the positive pole of the diode D1 is connected with the negative pole of the Schottky diode D3, and the positive pole of the Schottky diode D3 is connected with the other end of the capacitor C4 and grounded;

[0049] A passive crystal oscillator Y1 and a resistor R6 connected in parallel are connected in series between the fifth pin and the sixth pin of the MCU U1, and a capacitor C7 and a capacitor C8 are connected in series between the two ends of the resistor R6, and the capacitor C7 and the capacitor C8 are grounded;

[0050] The eighth pin of the MCU U1 is grounded, and a capacitor C5 and a capacitor C6 connected in parallel are connected in series between the eighth pin and the ninth pin; one end of the resistor R7 is connected to the ninth pin, and the other end of the resistor R7 is connected to the VCC-3.3V power terminal;

[0051] The forty-third pin, the forty-fifth pin and the forty-sixth pin of the MCU U1 are respectively connected to the negative electrodes of the light-emitting diodes LED3, LED2 and LED1.

[0052] The positive electrode of the light-emitting diode LED1 is connected to one end of the resistor R8, the positive electrode of the light-emitting diode LED2 is connected to one end of the resistor R9, and the positive electrode of the light-emitting diode LED3 is connected to one end of the resistor R10, and the other ends of the resistors R8, R9 and R10 are connected and connected to the VCC-3.3V power terminal.

[0053] As shown in Figure 4 and Figure 5 , the data display module includes a display screen interface J1, a display screen J2, a resistor R4, a resistor R5, a triode Q1, a capacitor C2 and a capacitor C3;

[0054] The first pin of the display screen interface J1 is connected to the VCC-3.3V power terminal, and the eighth pin is grounded;

[0055] The second pin, the third pin, the fourth pin, the fifth pin, the sixth pin and the seventh pin of the display screen interface J1 are respectively connected to the twentieth pin, the twenty-first pin, the twenty-second pin, the fourteenth pin, the sixteenth pin and the seventeenth pin of the MCU U1 one by one;

[0056] The eighth pin of the display screen J2 is connected to the second pin of the display screen interface J1;

[0057] The second pin of the display screen J2 is connected to the second pin of the triode Q1, the first pin of the triode Q1 is connected to one end of the resistor R4 and the resistor R5, the other end of the resistor R4 is not connected, and the other end of the resistor R5 is connected to the third pin of the triode Q1 and grounded;

[0058] The third pin of the display screen J2 is connected to the VCC LCD power terminal, and one end of the capacitor C2 and the capacitor C3, and the other ends of the capacitor C2 and the capacitor C3 are connected and grounded.

[0059] As shown in Figure 6As shown, product interface 5 includes equalizer interface P1, equalizer interface P2, equalizer interface P3, equalizer interface P4, and equalizer interface P5.

[0060] like Figure 6 As shown, the voltage monitoring module includes five voltage monitoring circuits; the current monitoring module includes five current monitoring circuits; one end of the voltage monitoring circuit is connected to the equalizer interface, and the other end is connected to the MCU microcontroller U1; one end of the current monitoring circuit is connected to the equalizer interface, and the other end is connected to the MCU microcontroller U1.

[0061] like Figure 6 As shown, the first voltage monitoring circuit includes inductors L1, L2, L3, L4, and a field-effect transistor U1. The first pin of the field-effect transistor U1 is connected to one end of inductor L1 and the forty-second pin of the MCU microcontroller U1. The other end of inductor L1 is connected to the first pin of the equalizer interface P1 and grounded. An inductor L2 is connected in series between the first pin of the equalizer interface P1 and the second pin of the field-effect transistor U1. An inductor L3 is connected in series between the second pin of the equalizer interface P1 and the second pin of the field-effect transistor U1. The third pin of the field-effect transistor U1 is connected to one end of inductor L4, and the other end of inductor L4 is grounded.

[0062] like Figure 6 As shown, the second voltage monitoring circuit includes inductors L5, L6, L7, L8, and MOSFET U2. The first pin of MOSFET U2 is connected to one end of inductor L5 and the forty-first pin of MCU microcontroller U1. The other end of inductor L5 is connected to the first pin of equalizer interface P2 and grounded. Inductor L6 is connected in series between the first pin of equalizer interface P2 and the second pin of MOSFET U2. Inductor L7 is connected in series between the second pin of equalizer interface P2 and the second pin of MOSFET U2. The third pin of MOSFET U2 is connected to one end of inductor L8, and the other end of inductor L8 is grounded.

[0063] like Figure 6 As shown, the third voltage monitoring circuit includes inductors L9, L10, L11, L12, and MOSFET U3. The first pin of MOSFET U3 is connected to one end of inductor L9 and the fortieth pin of MCU microcontroller U1. The other end of inductor L9 is connected to the first pin of equalizer interface P3 and grounded. Inductor L10 is connected in series between the first pin of equalizer interface P3 and the second pin of MOSFET U3. Inductor L11 is connected in series between the second pin of equalizer interface P3 and the second pin of MOSFET U3. The third pin of MOSFET U3 is connected to one end of inductor L12, and the other end of inductor L12 is grounded.

[0064] The fourth voltage monitoring circuit comprises an inductor L13, an inductor L14, an inductor L15, an inductor L16 and a field effect tube U4; a first pin of the field effect tube U4 is connected to one end of the inductor L13, and the thirty-ninth pin of the MCU single-chip microcomputer U1; the other end of the inductor L13 is connected to the first pin of the equalizer interface P4 and grounded; the inductor L14 is connected in series between the first pin of the equalizer interface P4 and the second pin of the field effect tube U4; the inductor L15 is connected in series between the second pin of the equalizer interface P4 and the second pin of the field effect tube U4; one end of the inductor L16 is connected to the third pin of the field effect tube U4, and the other end of the inductor L16 is grounded.

[0065] As shown in Figure 6 , the fifth voltage monitoring circuit comprises an inductor L17, an inductor L18, an inductor L19, an inductor L20 and a field effect tube U5; a first pin of the field effect tube U5 is connected to one end of the inductor L17, and the twenty-eighth pin of the MCU single-chip microcomputer U1; the other end of the inductor L17 is connected to the first pin of the equalizer interface P5 and grounded; the inductor L18 is connected in series between the first pin of the equalizer interface P5 and the second pin of the field effect tube U5; the inductor L19 is connected in series between the second pin of the equalizer interface P5 and the second pin of the field effect tube U5; one end of the inductor L20 is connected to the third pin of the field effect tube U5, and the other end of the inductor L20 is grounded.

[0066] The models of the field effect tubes U1 to U5 are BSS123.

[0067] As shown in Figure 6 , the first current monitoring circuit comprises a current sensor A1, a protection resistor R11 and a capacitor C9; the first pin and the second pin of the current sensor A1 are connected to the fourth pin of the equalizer interface P1 and one end of the protection resistor R11, and the other end of the protection resistor R11 is connected to the VCC-24V power terminal; the third pin and the fourth pin of the current sensor A1 are connected to the third pin of the equalizer interface P1; the fifth pin of the current sensor A1 is grounded; the sixth pin and the eighth pin of the current sensor A1 are connected and connected to the VCC-5V power terminal, one end of the filter capacitor C9 is connected to the sixth pin of the current sensor A1, and the other end of the filter capacitor C9 is grounded; the seventh pin of the current sensor A1 is connected to the thirty-seventh pin of the MCU single-chip microcomputer U1.

[0068] As shown in Figure 6As shown, the second current monitoring circuit includes a current sensor A2, a protection resistor R12, and a capacitor C10. The first and second pins of the current sensor A2 are connected to the fourth pin of the equalizer interface P2 and one end of the protection resistor R12. The other end of the protection resistor R12 is connected to the VCC-24V power supply terminal. The third and fourth pins of the current sensor A2 are connected to the third pin of the equalizer interface P2. The fifth pin of the current sensor A2 is grounded. The sixth and eighth pins of the current sensor A2 are connected to the VCC-5V power supply terminal. The sixth pin of the current sensor A2 is connected to one end of the filter capacitor C10, and the other end of the filter capacitor C10 is grounded. The seventh pin of the current sensor A3 is connected to the thirty-fourth pin of the MCU microcontroller U1.

[0069] like Figure 6 As shown, the third current monitoring circuit includes a current sensor A3, a protection resistor R13, and a capacitor C11. The first and second pins of the current sensor A3 are connected to the fourth pin of the equalizer interface P3 and one end of the protection resistor R13. The other end of the protection resistor R13 is connected to the VCC-24V power supply terminal. The third and fourth pins of the current sensor A3 are connected to the third pin of the equalizer interface P3. The fifth pin of the current sensor A3 is grounded. The sixth and eighth pins of the current sensor A3 are connected to the VCC-5V power supply terminal. The sixth pin of the current sensor A3 is connected to one end of the filter capacitor C11, and the other end of the filter capacitor C11 is grounded. The seventh pin of the current sensor A3 is connected to the thirty-third pin of the MCU microcontroller U1.

[0070] like Figure 6 As shown, the fourth current monitoring circuit includes a current sensor A4, a protection resistor R14, and a capacitor C12. The first and second pins of the current sensor A4 are connected to the fourth pin of the equalizer interface P4 and one end of the protection resistor R14. The other end of the protection resistor R14 is connected to the VCC-24V power supply terminal. The third and fourth pins of the current sensor A4 are connected to the third pin of the equalizer interface P4. The fifth pin of the current sensor A4 is grounded. The sixth and eighth pins of the current sensor A4 are connected to the VCC-5V power supply terminal. The sixth pin of the current sensor A4 is connected to one end of the filter capacitor C12, and the other end of the filter capacitor C12 is grounded. The seventh pin of the current sensor A4 is connected to the thirty-second pin of the MCU microcontroller U1.

[0071] like Figure 6 Figure 6As shown, the fifth current monitoring circuit includes a current sensor A5, a protection resistor R15 and a capacitor C13; the first pin and the second pin of the current sensor A5 are connected to the fourth pin of the equalizer interface P5, and one end of the protection resistor R15, and the other end of the protection resistor R15 is connected to the VCC-24V power terminal; the third pin and the fourth pin of the current sensor A5 are connected to the third pin of the equalizer interface P5; the fifth pin of the current sensor A5 is grounded; the sixth pin and the eighth pin of the current sensor A5 are connected and connected to the VCC-5V power terminal, the sixth pin of the current sensor A5 is connected to one end of the filtering capacitor C13, and the other end of the filtering capacitor C13 is grounded; the seventh pin of the current sensor A5 is connected to the thirty-first pin of the MCU U1.

[0072] The models of the current sensors A1 to A5 are ACS712ELCTR-20A-T.

[0073] The equalizer aging device provided by the utility model, in use, five equalizers can be connected to the data monitoring and display equipment 3 through the equalizer interface P1, the equalizer interface P2, the equalizer interface P3, the equalizer interface P4 and the equalizer interface P5 respectively; then the five equalizers are connected with corresponding equalizer loads 6 respectively; in the working process of the equalizer load 6, the equalizer load 6 is cooled by the cooling system 7;

[0074] When the data monitoring and display equipment 3 monitors the current, the current information of the five equalizers is collected by the current sensors A1 to A5 respectively, and the current information of the five equalizers is transmitted to the MCU U1 through the thirty-seventh pin, the thirty-fourth pin, the thirty-third pin, the thirty-second pin and the thirty-first pin of the MCU U1 respectively.

[0075] When the voltage is monitored, the voltage information of the five equalizers is collected by the five-way voltage monitoring circuit respectively, and the voltage information of the five equalizers is transmitted to the MCU U1 through the forty-second pin, the forty-first pin, the fortieth pin, the thirty-ninth pin and the twenty-eighth pin of the MCU U1 respectively.

[0076] Finally, the current information and the voltage information are transmitted to the display screen J2 through the display screen interface J1 by the MCU U1, and are displayed by the display screen J2.

[0077] The above merely illustrates the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any change or replacement within the technical range disclosed by the utility model should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. An equalizer aging apparatus, characterized by: The device comprises an aging box (1), a load placing box (2), a data monitoring and display device (3) and a power supply (4); The aging box (1) is provided with a product interface (5), and the equalizer is connected with the data monitoring and display device (3) through the product interface (5); The data monitoring and display device (3) comprises an MCU module, a voltage monitoring module, a current monitoring module and a data display module connected with the MCU module; The MCU module, the data display module and the current monitoring module are connected with the power supply (4); The voltage monitoring module and the current monitoring module are connected with the product interface (5) and are used for collecting voltage information and current information of the equalizer and uploading the information to the MCU module for display by the data display module; The load placing box (2) is provided with an equalizer load (6) and a heat dissipation system (7) for dissipating heat of the equalizer load (6), and the equalizer load (6) is connected with the equalizer; The aging box (1), the equalizer load (6), the heat dissipation system (7) and the data monitoring and display device (3) are connected with the power supply (4).

2. The equalizer aging apparatus of claim 1, wherein: The power supply (4) comprises a power conversion module, a VCC-3.3V power terminal, a VCC LCD power terminal, a VCC-5V power terminal and a VCC-24V power terminal connected with the power conversion module.

3. The equalizer aging apparatus of claim 2, wherein: The MCU module comprises an MCU single-chip microcomputer U1; A first pin of the MCU single-chip microcomputer U1 is connected with a negative electrode of a diode D1 and a diode D2 and one end of a capacitor C4; a positive electrode of the diode D2 is connected with the VCC-3.3V power terminal, a positive electrode of the diode D1 is connected with a negative electrode of a Schottky diode D3, and a positive electrode of the Schottky diode D3 is connected with the other end of the capacitor C4 and grounded; A passive crystal oscillator Y1 and a resistor R6 connected in parallel are connected in series between a fifth pin and a sixth pin of the MCU single-chip microcomputer U1, a capacitor C7 and a capacitor C8 are connected in series between the resistor R6, and the capacitor C7 and the capacitor C8 are grounded; An eighth pin of the MCU single-chip microcomputer U1 is grounded, and a capacitor C5 and a capacitor C6 connected in parallel are connected in series between the eighth pin and a ninth pin; one end of the resistor R7 is connected with the ninth pin, and the other end of the resistor R7 is connected with the VCC-3.3V power terminal; Forty-third, forty-fifth and forty-sixth pins of the MCU single-chip microcomputer U1 are connected with negative electrodes of a light-emitting diode LED3, a light-emitting diode LED2 and a light-emitting diode LED1 respectively; A positive electrode of the light-emitting diode LED1 is connected with one end of a resistor R8, a positive electrode of the light-emitting diode LED2 is connected with one end of a resistor R9, a positive electrode of the light-emitting diode LED3 is connected with one end of a resistor R10, and the other ends of the resistor R8, the resistor R9 and the resistor R10 are connected and connected with the VCC-3.3V power terminal.

4. The equalizer aging apparatus of claim 2, wherein: The data display module comprises a display screen interface J1 and a display screen J2; A first pin of the display screen interface J1 is connected with the VCC-3.3V power terminal, and an eighth pin is grounded. The second pin, the third pin, the fourth pin, the fifth pin, the sixth pin and the seventh pin of the display screen interface J1 are connected with the twentieth pin, the twenty-first pin, the twenty-second pin, the fourteenth pin, the sixteenth pin and the seventeenth pin of the MCU U1 respectively; The eighth pin of the display screen J2 is connected with the second pin of the display screen interface J1; The second pin of the display screen J2 is connected with the second pin of the transistor Q1, the first pin of the transistor Q1 is connected with one end of the resistor R4 and the resistor R5, the other end of the resistor R4 is connected with the ground, and the other end of the resistor R5 is connected with the third pin of the transistor Q1 and the ground; The third pin of the display screen J2 is connected with the VCC LCD power terminal and one end of the capacitor C2 and the capacitor C3, and the other end of the capacitor C2 and the capacitor C3 is connected with the ground.

5. The equalizer aging apparatus of claim 2, wherein: The product interface (5) comprises a plurality of equalizer interfaces; the voltage monitoring module comprises a plurality of voltage monitoring circuits same as the number of equalizer interfaces; the current monitoring module comprises a plurality of current monitoring circuits same as the number of equalizer interfaces; One end of the voltage monitoring circuit is connected with the equalizer interface, and the other end is connected with the MCU U1; one end of the current monitoring circuit is connected with the equalizer interface, and the other end is connected with the MCU U1.

6. The equalizer aging apparatus of claim 5, wherein: The voltage monitoring circuit comprises a field effect tube, the first pin of the field effect tube is connected with one end of the first inductor and the MCU U1; the other end of the first inductor is connected with the first pin of the equalizer interface and the ground; the second inductor is connected in series between the first pin of the equalizer interface and the second pin of the field effect tube; the third inductor is connected in series between the second pin of the equalizer interface and the second pin of the field effect tube; the third pin of the field effect tube is connected with one end of the fourth inductor, and the other end of the fourth inductor is connected with the ground.

7. The equalizer aging apparatus of claim 5, wherein: The current monitoring circuit comprises a current sensor, the first pin and the second pin of the current sensor are connected with one end of the fourth pin of the equalizer interface and the protection resistor, and the other end of the protection resistor is connected with the VCC-24V power terminal; The third pin and the fourth pin of the current sensor are connected with the third pin of the equalizer interface; The fifth pin of the current sensor is connected with the ground; The sixth pin and the eighth pin of the current sensor are connected with the VCC-5V power terminal, one end of the filter capacitor is connected with the sixth pin of the current sensor, and the other end of the filter capacitor is connected with the ground; The seventh pin of the current sensor is connected with the MCU U1.