A supercapacitor module capacity testing device and testing method thereof

Abstract

The present invention discloses a supercapacitor module capacity test device and a test method thereof, belonging to the technical field of electronic components, comprising a housing and a constant current discharge module installed inside the housing, a DC power supply is provided on one side of the constant current discharge module, a voltmeter is installed on the other side of the constant current discharge module, an ammeter is provided on the other side of the voltmeter, an operation panel is fixedly installed on the front of the housing, a display is provided on the operation panel, and an ammeter interface and a voltmeter interface are provided on one side of the display. The present invention can directly measure the capacity of the module and accurately display the value; the capacity test device is provided with a first positioning plate, a second positioning plate and a suction cup to fix the supercapacitor module, prevent displacement during the test process, resulting in inaccurate measurement data, and ensure the accuracy of the test results.

Description

Technical Field

[0001] The present invention relates to a testing device and a testing method, in particular to a super capacitor module capacity testing device and a testing method, belonging to the technical field of electronic components. Background Art

[0002] Currently, there is no dedicated measuring device for supercapacitor modules with voltages higher than 10V, but there are a large number of such modules sold and used by companies or in the market. The general method of calibrating the capacity of supercapacitor modules is to calculate the capacity of the module based on the capacity of each supercapacitor and the parallel-series form of the module, and calibration is often not possible through measurement. Summary of the invention

[0003] The main purpose of the present invention is to provide a supercapacitor module capacity testing device and a testing method thereof in order to solve the deficiencies of the prior art.

[0004] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0005] A supercapacitor module capacity testing device comprises a shell and a constant current discharge module installed inside the shell, a DC power supply is provided on one side of the constant current discharge module, a voltmeter is installed on the other side of the constant current discharge module, an ammeter is provided on the other side of the voltmeter, an operation panel is fixedly installed on the front of the shell, a display is provided on the operation panel, an ammeter interface and a voltmeter interface are provided on one side of the display, a plurality of operation buttons are provided below the display, an external wiring hole is provided on one side of the operation buttons, a positioning plate slot is provided at the bottom of the shell, a motor is provided inside the positioning plate slot, an output end of the motor is fixedly connected to a first positioning plate, a second positioning plate is fixedly installed on the other end of the first positioning plate, and a plurality of suction cups are fixedly installed on the second positioning plate.

[0006] Preferably, the DC power supply is connected in parallel to one side of the supercapacitor module, the other side of the supercapacitor module is connected in parallel to the voltmeter, the input end of the voltmeter is connected in series with the constant current discharge module, the output end of the voltmeter is connected in series with the ammeter, the constant current discharge module is connected in parallel below the ammeter, and the output end of the ammeter is connected in parallel with a calculation and display module.

[0007] Preferably, a plurality of wheel grooves are formed at the bottom of the shell, a universal wheel is fixedly mounted inside the wheel groove, a telescopic rod is fixedly mounted on one side of the universal wheel, and the other end of the telescopic rod is fixed to the bottom of the wheel groove.

[0008] Preferably, a handle groove is provided on the top of the shell, and a handle is fixedly installed inside the handle groove.

[0009] Preferably, a shock absorbing layer is disposed on the outside of the shell, and a plurality of evenly distributed shock absorbers are disposed on the inside of the shock absorbing layer.

[0010] Preferably, the voltmeter interface is connected to the voltmeter, and the ammeter interface is connected to the ammeter.

[0011] Preferably, the first positioning plate and the second positioning plate are movably connected via a hinge plate.

[0012] A method for testing the capacity of a supercapacitor module comprises the following steps:

[0013] Step 1: Charge the super capacity module through a DC power supply until U work ;

[0014] Step 2: Disconnect the DC power supply;

[0015] Step 3: Connect the supercapacitor module to the constant current discharge circuit and adjust the discharge current;

[0016] Step 4: Discharge the supercapacitor module to the minimum operating voltage U min , records from U work To U min time t;

[0017] Step 5: Calculate the capacity C of the module according to the capacity of the supercapacitor module through the calculation module and display it.

[0018] Preferably, in step 5, the calculation formula of the capacitance is:

[0019]

[0020] Where C-capacitor capacity in Farad, q-charge in Coulomb, I-current in Ampere, U-voltage in Volt;

[0021] Derived supercapacitor module capacity calculation:

[0022]

[0023] Among them U work - Operating voltage, U min -Minimum voltage.

[0024] The beneficial technical effect of the present invention is as follows: according to the supercapacitor module capacity testing device and the testing method thereof of the present invention, the capacity of the module can be directly measured and the value can be accurately displayed; the capacity testing device is provided with a first positioning plate, a second positioning plate and a suction cup to fix the supercapacitor module, to prevent displacement during the test process resulting in inaccurate measurement data, and to ensure the accuracy of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The overall structure circuit diagram of a preferred embodiment of the supercapacitor module capacity testing device and the testing method thereof according to the present invention;

[0026] Figure 2 It is a schematic diagram of the overall structure of a preferred embodiment of a supercapacitor module capacity testing device and a testing method thereof according to the present invention;

[0027] Figure 3 It is a schematic diagram of the overall structure of a preferred embodiment of a supercapacitor module capacity testing device and a testing method thereof according to the present invention;

[0028] Figure 4 It is a schematic diagram of the overall structure of a preferred embodiment of a supercapacitor module capacity testing device and a testing method thereof according to the present invention;

[0029] Figure 5 A bottom view of the overall structure of a preferred embodiment of a supercapacitor module capacity testing device and a testing method thereof according to the present invention;

[0030] Figure 6 It is a front view of the overall structure of a preferred embodiment of a supercapacitor module capacity testing device and a testing method thereof according to the present invention;

[0031] Figure 7 It is an enlarged view of part A of the overall structure stereoscopic schematic diagram of a preferred embodiment of the supercapacitor module capacity testing device and the testing method thereof according to the present invention;

[0032] Figure 8 The figure is a schematic diagram of the universal wheel structure according to a preferred embodiment of the supercapacitor module capacity testing device and the testing method thereof of the present invention.

[0033] In the figure: 1-shell, 2-external plug hole, 3-voltmeter interface, 4-ammeter interface, 5-handle slot, 6-handle, 7-display, 8-operation button, 9-universal wheel, 10-wheel slot, 11-operation panel, 12-telescopic rod, 13-positioning plate slot, 14-first positioning plate, 15-second positioning plate, 16-suction cup, 17-DC power supply, 18-constant current discharge module, 19-voltmeter, 20-ammeter, 21-shock absorption layer, 22-motor, 23-telescopic rod, 24-shock absorber. DETAILED DESCRIPTION

[0034] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0035] like Figure 1-Figure 8 As shown, the supercapacitor module capacity testing device provided in this embodiment includes a shell 1 and a constant current discharge module 18 installed inside the shell 1, a DC power supply 17 is provided on one side of the constant current discharge module 18, a voltmeter 19 is installed on the other side of the constant current discharge module 18, and an ammeter 20 is provided on the other side of the voltmeter 19. An operation panel 11 is fixedly installed on the front of the shell 1, a display 7 is provided on the operation panel 11, an ammeter interface 4 and a voltmeter interface 3 are provided on one side of the display 7, a plurality of operation buttons 8 are provided below the display 7, and an external wiring hole 2 is provided on one side of the operation button 8. A positioning plate groove 13 is provided at the bottom of the shell 1, a motor 22 is provided inside the positioning plate groove 13, an output end of the motor 22 is fixedly connected to a first positioning plate 14, a second positioning plate 15 is fixedly installed on the other end of the first positioning plate 14, and a plurality of suction cups 16 are fixedly installed on the second positioning plate 15. The capacity testing method can directly measure the capacity of the module and accurately display the value; the capacity testing device is provided with a first positioning plate, a second positioning plate and a suction cup, which can fix the supercapacitor module to prevent displacement during the test and cause inaccurate measurement data, thereby ensuring the accuracy of the test results.

[0036] In this embodiment, if Figure 1 As shown, a DC power supply 17 is connected in parallel to one side of the supercapacitor module, and a voltmeter 19 is connected in parallel to the other side of the supercapacitor module. The input end of the voltmeter 19 is connected in series with a constant current discharge module 18, and the output end of the voltmeter 19 is connected in series with an ammeter 20. The constant current discharge module 18 is connected in parallel below the ammeter 20, and the output end of the ammeter 20 is connected in parallel with a calculation and display module.

[0037] In this embodiment, if Figure 1 and Figure 5 As shown, a plurality of wheel grooves 10 are provided at the bottom of the shell 1, and a universal wheel 9 is fixedly installed inside the wheel groove 10, and a telescopic rod 12 is fixedly installed on one side of the universal wheel 9, and the other end of the telescopic rod 12 is fixed to the bottom of the wheel groove 10. A handle groove 5 is provided at the top of the shell 1, and a handle 6 is fixedly installed inside the handle groove 5. A shock-absorbing layer 21 is provided on the outside of the shell 1, and a plurality of evenly distributed shock absorbers 24 are provided inside the shock-absorbing layer 21. The voltmeter interface 3 is connected to the voltmeter 19, and the ammeter interface 4 is connected to the ammeter 20. The first positioning plate 14 and the second positioning plate 15 are movably connected by a hinge. The bottom of the capacity testing device is provided with a universal wheel 9 and a wheel groove 10 to facilitate the movement of the test device and increase the flexibility of the device. The capacity testing device is provided with a shock-absorbing layer 21 to prevent the device from being affected by external vibrations and affecting the test results.

[0038] A method for testing the capacity of a supercapacitor module comprises the following steps:

[0039] Step 1: Charge the super capacity module through a DC power supply until U work ;

[0040] Step 2: Disconnect the DC power supply;

[0041] Step 3: Connect the supercapacitor module to the constant current discharge circuit and adjust the discharge current;

[0042] Step 4: Discharge the supercapacitor module to the minimum operating voltage U min , records from U work To U min time t;

[0043] Step 5: Calculate the capacity C of the module according to the capacity of the supercapacitor module through the calculation module and display it.

[0044] In step 5, the capacitance is calculated as:

[0045]

[0046] Where C-capacitor capacity in Farad, q-charge in Coulomb, I-current in Ampere, U-voltage in Volt;

[0047] Derived supercapacitor module capacity calculation:

[0048]

[0049] Among them U work - Operating voltage, U min -Minimum voltage.

[0050] In summary, in this embodiment, according to the supercapacitor module capacity testing device and its testing method of this embodiment, the capacity testing method realizes direct measurement of the capacity of the module and accurately displays the value; the capacity testing device is provided with a first positioning plate, a second positioning plate and a suction cup to fix the supercapacitor module to prevent displacement during the test process, resulting in inaccurate measurement data, and ensure the accuracy of the test results. The bottom of the capacity testing device is provided with a universal wheel 9 and a wheel groove 10 to facilitate the mobile test device and increase the flexibility of the device. The capacity testing device is provided with a shock-absorbing layer 21 to prevent the device from being affected by external vibrations and affecting the test results.

[0051] The above description is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the scope disclosed by the present invention, which belong to the protection scope of the present invention.

Claims

1. A method for testing the capacity of a supercapacitor module, based on a device for testing the capacity of a supercapacitor module, characterized in that: The device comprises a housing (1) and a constant current discharge module (18) installed inside the housing (1); a DC power supply (17) is provided on one side of the constant current discharge module (18); a voltmeter (19) is installed on the other side of the constant current discharge module (18); an ammeter (20) is provided on the other side of the voltmeter (19); an operation panel (11) is fixedly installed on the front side of the housing (1); a display (7) is provided on the operation panel (11); an ammeter interface (4) and an ammeter are provided on one side of the display (7); A pressure gauge interface (3), a plurality of operating buttons (8) are provided below the display (7), an external wiring hole (2) is provided on one side of the operating button (8), a positioning plate slot (13) is provided at the bottom of the housing (1), a motor (22) is provided inside the positioning plate slot (13), an output end of the motor (22) is fixedly connected to a first positioning plate (14), a second positioning plate (15) is fixedly installed at the other end of the first positioning plate (14), and a plurality of suction cups (16) are fixedly installed on the second positioning plate (15); The test method and steps for the capacity of the supercapacitor module are as follows: Step 1: Charge the super capacity module through a DC power supply to Uwork; Step 2: Disconnect the DC power supply; Step 3: Connect the supercapacitor module to the constant current discharge circuit and adjust the discharge current; Step 4: Discharge the supercapacitor module to the minimum working voltage Umin, and record the time t from Uwork to Umin; Step 5: Calculate the capacity C of the module through the calculation module according to the capacity of the supercapacitor module and display it; In step 5, the calculation formula of the capacitance is: Where C-capacitor capacity in Farad, q-charge in Coulomb, I-current in Ampere, U-voltage in Volt; Derived supercapacitor module capacity calculation: Where Uwork is the working voltage and Umin is the minimum voltage.

2. A method for testing the capacity of a supercapacitor module as claimed in claim 1, characterized in that: The DC power supply (17) is connected in parallel to one side of the supercapacitor module, the other side of the supercapacitor module is connected in parallel to the voltmeter (19), the input end of the voltmeter (19) is connected in series to the constant current discharge module (18), the output end of the voltmeter (19) is connected in series to the ammeter (20), the constant current discharge module (18) is connected in parallel below the ammeter (20), and the output end of the ammeter (20) is connected in parallel to a calculation and display module.

3. A method for testing the capacity of a supercapacitor module as claimed in claim 1, characterized in that: The bottom of the housing (1) is provided with a plurality of wheel grooves (10), a universal wheel (9) is fixedly installed inside the wheel groove (10), a telescopic rod (12) is fixedly installed on one side of the universal wheel (9), and the other end of the telescopic rod (12) is fixed to the bottom of the wheel groove (10).

4. A method for testing the capacity of a supercapacitor module as claimed in claim 1, characterized in that: A handle groove (5) is provided on the top of the housing (1), and a handle (6) is fixedly installed inside the handle groove (5).

5. A method for testing the capacity of a supercapacitor module as claimed in claim 1, characterized in that: A shock-absorbing layer (21) is provided on the outside of the shell (1), and a plurality of evenly distributed shock absorbers (24) are provided on the inside of the shock-absorbing layer (21).

6. A method for testing the capacity of a supercapacitor module as claimed in claim 1, characterized in that: The voltmeter interface (3) is connected to the voltmeter (19), and the ammeter interface (4) is connected to the ammeter (20).

7. A method for testing the capacity of a supercapacitor module as claimed in claim 1, characterized in that: The first positioning plate (14) and the second positioning plate (15) are movably connected via a hinged plate.

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