Parallel formation and capacity grading device

Abstract

The utility model discloses a parallel formation and capacity grading device. The parallel formation and capacity grading device comprises a battery cell formation and capacity grading module, an inverter module, a battery module assembly and a fixing frame, the battery cell formation and capacity grading module and the battery module assembly are respectively and fixedly arranged on the fixing frame, and the inverter module is arranged on the battery cell formation and capacity grading module; the inverter module is electrically connected with the battery cell formation and capacity grading module and the battery module assembly respectively; the battery cell formation and capacity grading module comprises a plurality of groups of testing units which are connected in parallel; and the testing units are electrically connected with the battery module assembly through the inverter module. According to the utility model, the battery cell formation and capacity grading module, the inverter module and the battery module assembly are assembled into a whole through the fixing plate, so that the overall displacement in the formation and capacity grading process is realized, meanwhile, the inverter module is arranged to effectively control the power supply voltage, and the stability of the test process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of formation and grading charge and discharge, in particular to a parallel formation and grading device. Background Art

[0002] At present, in the market, the formation and grading of batteries are all carried out by using a power supply cabinet fixed beside the rack to supply power for the formation, grading charge and discharge tests of battery cells. However, when the traditional formation and grading machine is used for formation and grading, the formation equipment and the power supply cabinet need to be fixed. After providing power to the power module, the battery cells need to be placed into the equipment, and then the probes are made to contact the battery cells for formation, grading charge and discharge tests. The disadvantage is that the battery cells cannot be moved until the formation and grading time of the equipment is reached, resulting in low flexibility. Content of the Utility Model

[0003] In view of the above problems, the present utility model is proposed to provide a parallel formation and grading device that can overcome or at least partially solve the above problems.

[0004] The present utility model provides a parallel formation and grading device, which includes: a battery cell formation and grading module, an inverter module, a battery module assembly, and a fixing frame; the battery cell formation and grading module and the battery module assembly are respectively fixedly arranged on the fixing frame, and the inverter module is arranged on the battery cell formation and grading module; the inverter module is electrically connected to the battery cell formation and grading module and the battery module assembly respectively; the battery cell formation and grading module includes multiple groups of parallel test units, and the test units are respectively electrically connected to the battery module assembly through the inverter module.

[0005] Optionally, both between the battery module assembly and the inverter module and between the inverter module and the battery cell formation and grading module are connected through quick connectors.

[0006] Optionally, the battery cell formation and grading module further includes test module electrical components, the test units are all detachably installed on the test module electrical components, and the test module electrical components are composed of a support frame and electrical components.

[0007] Optionally, the battery module assembly includes multiple parallel power supplies, and the number of the power supplies is matched with the number of the test units, and each test unit is respectively connected to one of the power supplies.

[0008] Optionally, the test unit includes a negative test module and a positive test module.

[0009] Optionally, the battery module assembly is detachably installed on the fixing frame.

[0010] Optionally, a moving component is further provided at the bottom of the fixing frame.

[0011] The technical solution provided in the embodiment of the present utility model has at least the following technical effects or advantages:

[0012] For the parallelized formation and capacitance measurement device in the embodiment of the present utility model, compared with the prior art, the formation and capacitance measurement module for battery cells, the inverter module, and the battery module assembly are assembled into one body through the fixing plate, realizing the overall displaceability during the formation and capacitance measurement process. At the same time, by setting the inverter module, the supply voltage can also be effectively controlled, improving the stability of the test process.

[0013] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features, and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model are specifically described below. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of the parallelized formation and capacitance measurement device of the present utility model;

[0016] Figure 2 It is a schematic diagram of the power supply principle of the parallelized formation and capacitance measurement device of the present utility model.

[0017] Description of the reference numerals:

[0018] 1. Electrical components of the test module; 2. Negative test module; 3. Positive test module; 4. Fixing frame; 5. Formation and capacitance measurement module for battery cells; 6. Inverter module; 7. Battery module assembly. Detailed Embodiments

[0019] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the drawings.

[0020] To enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The accompanying drawings show the preferred embodiments of the present utility model. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive.

[0021] Unless otherwise specifically stated, various raw materials, instruments, and equipment used in the present utility model can be obtained through market purchases or can be prepared by existing methods.

[0022] Figure 1 is a schematic structural diagram of a parallelized formation and grading device provided by an embodiment of the present utility model. Figure 2 is a schematic diagram of the power supply principle of the parallelized formation and grading device described in the present utility model. Refer to Figure 1-2 As shown, the parallelized formation and grading device includes a cell formation and grading module 5, an inverter module 6, a battery module assembly 7, and a fixing frame 4; the cell formation and grading module 5 and the battery module assembly 7 are respectively fixedly arranged on the fixing frame 4, and the inverter module 6 is arranged on the cell formation and grading module 5; the inverter module 6 is electrically connected to the cell formation and grading module 5 and the battery module assembly 7 respectively. The battery module assembly 7 is used to provide electric energy, the cell formation and grading module 5 is used to accommodate battery cells to be formed and graded, and the inverter module 6 is used to realize the voltage conversion between the cell formation and grading module 5 and the battery module assembly 7. For example, the inverter module 6 converts the high-voltage electricity output by the battery module assembly 7 into the low-voltage electricity required by the cell formation and grading module 5, or the inverter module 6 converts the low-voltage electricity of the cell formation and grading module 5 into the high-voltage electricity required by the battery module assembly 7; the cell formation and grading module 5 includes multiple groups of parallel test units, and the test units are respectively electrically connected to the battery module assembly 7 through the inverter module 6. Each test unit is respectively used to accommodate a battery cell to be formed and graded, and the battery module assembly 7 supplies power to each test unit respectively for testing the battery cells to be formed and graded.

[0023] In the embodiment of the present utility model, the inverter module 6 is located above the cell formation and grading module 5, which can reduce the space occupation in the horizontal direction and also have better flexibility during overall handling.

[0024] The battery module assembly 7 and the inverter module 6, as well as the inverter module 6 and the cell formation and grading module 5, are all connected by quick-connect plugs. Based on the quick-insertion method, electrical connection can be conveniently achieved.

[0025] The cell formation and grading module 5 further includes a test module electrical component 1. The test unit can be detachably installed on the test module electrical component 1. The test module electrical component 1 is composed of a support frame and an electrical component. The support frame provides physical support, and the electrical component provides electrical support for the test unit.

[0026] The battery module assembly 7 includes a plurality of parallel power supplies, and the number of the power supplies is matched with the number of the test units. Each test unit is respectively connected to one power supply. Since the test units are arranged in parallel with each other, and the test units and the power supplies are in one-to-one correspondence, correspondingly, each test unit in the cell formation and grading module 5 can perform formation and grading independently. The power demand of the test unit for the power supply is relatively low, so the corresponding battery module assembly 7 can be a low-power structure, having a smaller volume and occupied space, and is convenient for disassembly, assembly and charging.

[0027] The test unit includes a negative test module 2 and a positive test module 3. The negative test module 2 and the positive test module 3 are respectively connected to the corresponding ear (negative or positive) of the battery unit to be formed and graded, so as to test the battery unit to be formed and graded.

[0028] In the embodiment of the present utility model, the battery module assembly 7 is detachably installed on the fixing frame 4. When disassembly and assembly are required for maintenance, it is convenient to disassemble. Or when the battery of the battery module assembly 7 is exhausted and needs to be charged, it can also be disassembled and moved to other places for charging. Of course, it should be noted that the battery module assembly 7 is provided with a charging interface, and it can also be directly connected to an external charging device through a wire harness for charging; on the other hand, since the fixing plate is placed on the ground, the whole device can also be moved with the fixing plate as a fulcrum to achieve displacement for operations such as charging.

[0029] The fixing frame 4 is placed on a plane to provide physical support for components such as the cell formation and grading module 5, the inverter module 6, and the battery module assembly 7; in the embodiment of the present utility model, in order to enable the battery module assembly 7 to be used when following the test module to move, with the fixing plate as a support node, the cell formation and grading module 5, the inverter module 6, and the battery module assembly 7 are assembled into one body to achieve the displaceable effect of the whole.

[0030] In other embodiments of the present utility model, a moving component (not shown in the figure) may be further provided at the bottom of the fixing frame 4. The moving component may be a wheel set, and the wheel set may be a caster manually pushed by a person or a pulley controlled by an electric motor, which is selected according to actual application requirements, so as to quickly achieve uniqueness on a plane and reduce labor costs.

[0031] Compared with the prior art, the parallelized formation and grading device according to the embodiment of the present utility model assembles the battery cell formation and grading module 5, the inverter module 6, and the battery module assembly 7 into one body through a fixing plate, realizes the overall displaceability during the formation and grading process, and at the same time can effectively control the supply voltage by setting the inverter module 6, improves the stability of the test process, and for a test unit with low-power test requirements, each test unit is respectively connected to one power supply, which can reduce the volume of the battery module assembly 7 and reduce the space occupation.

[0032] In the specification provided herein, a large number of specific details are set forth. However, it is understood that embodiments of the present utility model may be practiced without these specific details. In some instances, well-known methods, structures, and technologies have not been shown in detail so as not to obscure the understanding of this specification.

[0033] Similarly, it should be understood that, in order to streamline this disclosure and assist in understanding one or more of the various inventive aspects, in the foregoing description of the exemplary embodiments of the present utility model, the various features of the present utility model are sometimes grouped together in a single embodiment, figure, or description thereof. However, this disclosure should not be construed as reflecting an intention that the claimed present utility model requires more features than are expressly recited in each claim. Rather, as the claims reflect, inventive aspects lie in less than all the features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of the present utility model.

[0034] It should be noted that the above embodiments illustrate the present utility model rather than limit the present utility model, and those skilled in the art can design alternative embodiments without departing from the scope of the appended claims.

Claims

1. A parallel volume fractionation device, characterized in that: The parallel capacity-splitting device includes: a battery cell capacity-splitting module, an inverter module, a battery module assembly and a fixing frame; the battery cell capacity-splitting module and the battery module assembly are respectively fixed on the fixing frame, and the inverter module is arranged on the battery cell capacity-splitting module; the inverter module is respectively electrically connected to the battery cell capacity-splitting module and the battery module assembly; the battery cell capacity-splitting module includes a plurality of parallel test units, and the test units are respectively electrically connected to the battery module assembly through the inverter module.

2. The parallel volume fractionation device according to claim 1, characterized in that: The battery module assembly and the inverter module as well as the inverter module and the battery cell capacity module are connected via quick-connect plugs.

3. The parallel volume fractionation device according to claim 1, characterized in that: The battery cell componentization module also includes a test module electrical component, and the test units are detachably mounted on the test module electrical component, and the test module electrical component is composed of a support frame and electrical components.

4. The parallel volume fractionation device according to claim 1, characterized in that: The battery module assembly includes a plurality of power supplies connected in parallel, and the number of the power supplies matches the number of the test units, and each of the test units is connected to one of the power supplies.

5. The parallel volume fractionation device according to claim 1, characterized in that: The test unit includes a negative electrode test module and a positive electrode test module.

6. The parallel volume fractionation device according to claim 1, characterized in that: The battery module assembly is detachably mounted on the fixing frame.

7. The parallel volume fractionation device according to claim 1, characterized in that: A moving component is also arranged at the bottom of the fixing frame.

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