Battery testing device

Abstract

The utility model provides a battery testing device. The utility model provides a battery testing device, which comprises a base, a power supply, a rectifier module and a plurality of metal connecting pieces, the power supply and the rectifier module are arranged on the base; the first end of the metal connecting piece is connected with the power supply in a pluggable manner; the second end of the metal connecting piece is connected with the rectifier module in a pluggable manner; the rectification module is used for connecting a battery to be tested. The power supply and the rectification module are connected through the metal connecting piece, impedance between the power supply and the rectification module can be reduced, current density is effectively reduced, and heating and electric energy loss are reduced. In addition, the metal connecting piece is in pluggable connection with the power supply and the rectification module, so that the metal connecting piece is convenient to install and replace, and installation and maintenance of the battery testing device are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery test technical field, in particular to a battery testing device. BACKGROUND

[0002] Lithium ion battery is a kind of rechargeable battery, and the power supply of the electronic equipment such as mobile phone and notebook computer used by people daily is mostly lithium ion battery, to ensure the power supply performance of electronic product and battery safety performance, before lithium ion battery leaves factory, it needs to carry out multiple performance detection. Most performance test projects need to charge lithium ion battery, such as the measurement of battery capacity and the test of battery life. When the battery testing device of prior art charges lithium ion battery to be tested, the power supply and lithium battery to be tested are connected by metal flexible wire. Since metal flexible wire is not easy to shape, the length of metal flexible wire often exceeds the distance between power supply and lithium battery to be tested, thereby increasing the energy loss. In addition, the installation and maintenance of metal flexible wire are also difficult. SUMMARY

[0003] The utility model discloses a battery testing device, to solve the technical problem of high energy loss and difficult wire installation and maintenance in the prior art battery testing device in the testing process.

[0004] The utility model discloses a battery testing device, including, pedestal, power supply, rectifier module and a plurality of metal connecting piece,

[0005] The power supply and the rectifier module are arranged on the pedestal;

[0006] The first end of the metal connecting piece is plug-in connectable with the power supply, and the second end of the metal connecting piece is plug-in connectable with the rectifier module;

[0007] The rectifier module is used for connecting the battery to be tested.

[0008] Preferably, the metal connecting piece comprises a copper bar.

[0009] Preferably, the power supply is provided with a first terminal, and the rectifier module is provided with a second terminal;

[0010] The first end of the metal connecting piece is plug-in connectable with the first terminal, and the second end of the metal connecting piece is plug-in connectable with the second terminal.

[0011] Preferably, the first terminal comprises a first positive terminal and a first negative terminal, and the second terminal comprises a second positive terminal and a second negative terminal.

[0012] The first positive electrode wiring terminal is connected to the second positive electrode wiring terminal through the metal connecting piece; and the first negative electrode wiring terminal is connected to the second negative electrode wiring terminal through the metal connecting piece.

[0013] Preferably, two first wiring terminals are arranged on the power supply, two rectifier modules are arranged on the base, and the second wiring terminals on the two rectifier modules are respectively connected to the first wiring terminals through the metal connecting pieces.

[0014] Preferably, the base comprises a first platform and a second platform arranged in parallel, and the second platform is placed on the workbench.

[0015] The two rectifier modules are arranged on the first surface of the first platform and the first surface of the second platform respectively, the power supply is arranged on the second surface of the first platform, and the first surface of the first platform is away from the workbench, and the first surface of the second platform is away from the workbench.

[0016] Preferably, the device further comprises two mounting plates, and the two mounting plates are arranged on the first surface of the first platform and the first surface of the second platform respectively, and the two rectifier modules are arranged on the two mounting plates respectively.

[0017] Preferably, the device further comprises a power input line.

[0018] The power input line is used for connecting an external power supply and the power supply.

[0019] Preferably, the device further comprises a control board and a communication port, and the control board and the communication port are arranged on the base.

[0020] Preferably, the rectifier module is arranged on the base in a clamping manner.

[0021] The beneficial effects of the utility model lie in that the metal connecting piece is used to connect the power supply and the rectifier module, compared with the connection mode of the metal flexible wire, the impedance between the power supply and the rectifier module can be reduced, the current density can be effectively reduced, the heat generation and the electric energy loss can be reduced, the metal connecting piece has higher mechanical strength than the metal flexible wire, is not easy to bend, the wire length between the power supply and the rectifier module can be reduced, so that the impedance can be reduced, the heat generation and the electric energy loss can be further reduced, and in addition, the metal connecting piece is plug-in connected with the power supply and the rectifier module, the metal connecting piece is convenient to install and replace, and the installation and maintenance of the battery testing device are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the battery testing device of the utility model embodiment.

[0023] Reference numerals: 10-Base; 11-First platform; 12-Second platform; 20-Power supply; 21-First terminal block; 211-First positive terminal block; 212-First negative terminal block; 30-Rectifier module; 31-Second terminal block; 311-Second positive terminal block; 312-Second negative terminal block; 40-Metal connector; 50-Mounting plate; 60-Power input line; 70-Control board; 80-Communication port. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0026] Figure 1 This is a schematic diagram of the battery testing device according to an embodiment of the present invention. It should be noted that if substantially the same results are obtained, the embodiment of the present invention is not necessarily identical. Figure 1 The structures shown are limited. For example... Figure 1 As shown, the battery testing device includes a base 10, a power supply 20, a rectifier module 30, and multiple metal connectors 40.

[0027] The power supply 20 and the rectifier module 30 are mounted on the base 10;

[0028] The first end of the metal connector 40 is pluggably connected to the power supply 20; the second end of the metal connector 40 is pluggably connected to the rectifier module 30.

[0029] The rectifier module 30 is used to connect to the battery to be tested.

[0030] In the embodiment, the power supply 20 and the rectifier module 30 are connected by the metal connecting piece 40. The metal connecting piece 40 has a larger cross-sectional area than the metal flexible wire, which makes it have a higher current-carrying capacity, can reduce the impedance between the power supply 20 and the rectifier module 30, effectively reduce the current density, reduce heat and power loss. The metal connecting piece 40 also has higher mechanical strength than the metal flexible wire, is not easy to bend, can reduce the length of the wire between the power supply 20 and the rectifier module 30, thereby reducing the impedance, further reducing heat and power loss. In addition, the metal connecting piece 40 is plug-in connected with the power supply 20 and the rectifier module 30, which is convenient for installing and replacing the metal connecting piece 40, and is conducive to the installation and maintenance of the battery testing device.

[0031] In some embodiments, the metal connecting piece 40 includes a copper bar.

[0032] In the embodiment, the metal connecting piece 40 can adopt a copper bar, which is a long conductor made of copper material with a rectangular or chamfered (rounded) rectangular cross section. According to actual needs, metal connecting pieces of other materials and shapes can also be selected.

[0033] In some embodiments, as shown in Figure 1 the power supply 20 is provided with a first wiring terminal 21, and the rectifier module 30 is provided with a second wiring terminal 31;

[0034] The first end of the metal connecting piece 40 is plug-in connected with the first wiring terminal 21, and the second end of the metal connecting piece 40 is plug-in connected with the second wiring terminal 31.

[0035] In the embodiment, both ends of the metal connecting piece 40 are provided with insertion mechanisms, the first end of the metal connecting piece 40 is plug-in connected with the first wiring terminal 21, and the second end of the metal connecting piece 40 is plug-in connected with the second wiring terminal 31. In a specific embodiment, the specifications of the first wiring terminal 21 and the second wiring terminal 31 can be the same, and the specifications of the insertion mechanisms at both ends of the metal connecting piece 40 can also be the same, so that when the metal connecting piece 40 is used to connect the first wiring terminal 21 and the second wiring terminal 31, the direction of the metal connecting piece 40 can not be distinguished, improving the installation efficiency of the metal connecting piece 40.

[0036] In some embodiments, as shown in Figure 1 the first wiring terminal 21 includes a first positive wiring terminal 211 and a first negative wiring terminal 212, and the second wiring terminal 31 includes a second positive wiring terminal 311 and a second negative wiring terminal 312;

[0037] The first positive terminal 211 is connected to the second positive terminal 311 through the metal connecting piece 40; and the first negative terminal 212 is connected to the second negative terminal 312 through the metal connecting piece 40.

[0038] In the embodiment, each terminal includes a positive terminal and a negative terminal, and when the metal connecting piece 40 is used to connect the power supply 20 and the rectifier module 30, the first positive terminal 211 and the second positive terminal 311 and the first negative terminal 212 and the second negative terminal 312 are connected through the metal connecting piece 40 respectively, so that a complete current loop is formed between the power supply 20 and the rectifier module 30.

[0039] In some embodiments, two first terminals 21 are arranged on the power supply 20, and two rectifier modules 30 are arranged on the base 10, and the second terminals 31 of the rectifier modules 30 are connected to the first terminals 21 through the metal connecting pieces 40 respectively.

[0040] In the embodiment, one power supply 20 can be connected to two rectifier modules 30 simultaneously, that is, the battery testing device of the utility model can charge two batteries to be tested simultaneously. Correspondingly, two first terminals 21 are arranged on the power supply 20 to match the second terminals 31 of the two rectifier modules 30.

[0041] In some embodiments, as shown in Figure 1 The base 10 includes a first platform 11 and a second platform 12 arranged in parallel, and the second platform 12 is placed on a workbench.

[0042] The two rectifier modules 30 are arranged on the first faces of the first platform 11 and the second platform 12 respectively, the power supply 20 is arranged on the second face of the first platform 11, the first face of the first platform 11 is a face away from the workbench, and the first face of the second platform 12 is a face away from the workbench.

[0043] In the embodiment, the base 10 includes a first platform 11 and a second platform 12 arranged in parallel, and further includes a connecting part connecting the first platform 11 and the second platform 12, the connecting part includes at least one connecting plate vertically connecting the first platform 11 and the second platform 12 simultaneously. The first face of the first platform 11 is a face of the first platform 11 away from the second platform 12, the second face of the first platform 11 is a face of the first platform 11 close to the second platform 12, the first face of the second platform 12 is a face of the second platform 12 close to the first platform 11, and the second face of the second platform 12 is attached to the workbench.

[0044] In some embodiments, as shown inFigure 1 As shown in the figure, the device further comprises two mounting plates 50, which are respectively arranged on the first surface of the first platform 11 and the first surface of the second platform 12, and two rectifier modules 30 are respectively arranged on the two mounting plates 50.

[0045] In this embodiment, the rectifier modules 30 are not directly arranged on the first platform 11 and the second platform 12, and two mounting plates 50 are respectively arranged on the first surface of the first platform 11 and the first surface of the second platform 12, and two rectifier modules 30 are respectively arranged on the two mounting plates 50, so that a buffer space can be formed between the rectifier modules 30 and the base 10, thereby playing a role of shock protection.

[0046] In some embodiments, as shown in the figure, Figure 1 As shown in the figure, the device further comprises a power input line 60.

[0047] The power input line 60 is used to connect an external power supply and the power supply 20.

[0048] In this embodiment, the power supply 20 can be a storage battery providing a fixed voltage, or a switching power supply maintaining a stable output voltage. The power input line 60 is used to provide an external voltage for the power supply 20.

[0049] In some embodiments, the device further comprises a control board 70 and a communication port 80, both of which are arranged on the base 10.

[0050] In this embodiment, the control board 70 is used to set different test parameters such as charging voltage and charging time to adapt to different models, capacities and specifications of the battery to be tested. The communication port 80 is used for communication of the control board 70. The first end of the control board 70 is connected to the first end of the communication port 80, the second end of the control board 70 is connected to the rectifier module 30, and the second end of the communication port 80 is connected to an external control center. The external control center sends test parameters to the control board 70 through the communication port 80 according to the differences in model, capacity and specification of the battery to be tested. After the battery is fully charged, the battery parameters can also be sent to the external control center through the communication port 80.

[0051] In some embodiments, as shown in the figure, Figure 1 The rectifier module 30 is arranged on the base 10 by clamping.

[0052] In this embodiment, the rectifier module 30 is arranged on the base 10 by clamping, which is convenient for installation and maintenance of the rectifier module 30.

[0053] The utility model discloses beneficial effect lies in: through metal connecting piece 40 connection power supply 20 and rectifier module 30. Metal connecting piece 40 compared with metal flexible cord has greater cross -section area, this makes it have higher current -carrying capacity, can reduce the impedance between power supply 20 and rectifier module 30, effectively reduce current density, reduce heat and electric energy loss. Metal connecting piece 40 compared with metal flexible cord still have higher mechanical strength, not easy to bend, can reduce the wire length between power supply 20 and rectifier module 30, thereby reduce impedance, further reduce heat and electric energy loss. In addition, metal connecting piece 40 and power supply 20 and rectifier module 30 between are all plug -in connection, convenient for the installation replacement of metal connecting piece 40, be favorable to the installation and maintenance of battery testing arrangement.

[0054] The above only is the implementation of the utility model embodiment, here should point out, for ordinary skill in the art person, under the premise of not departing from the utility model creation concept, can also make improvement, but these all belong to the protection scope of the utility model.

Claims

1. A battery testing device, characterized in that, Includes a base, power supply, rectifier module, and multiple metal connectors; The power supply and the rectifier module are mounted on the base; The first end of the metal connector is pluggably connected to the power supply; the second end of the metal connector is pluggably connected to the rectifier module. The rectifier module is used to connect to the battery to be tested.

2. The battery testing apparatus according to claim 1, characterized in that, The metal connector includes a copper busbar.

3. The battery testing apparatus according to claim 1, characterized in that, The power supply is provided with a first terminal block, and the rectifier module is provided with a second terminal block; The first end of the metal connector is pluggable to the first terminal block; the second end of the metal connector is pluggable to the second terminal block.

4. The battery testing apparatus according to claim 3, characterized in that, The first terminal block includes a first positive terminal block and a first negative terminal block; the second terminal block includes a second positive terminal block and a second negative terminal block. The first positive terminal is connected to the second positive terminal via the metal connector; the first negative terminal is connected to the second negative terminal via the metal connector.

5. The battery testing apparatus according to claim 3, characterized in that, The power supply is provided with two first terminals, and the base is provided with two rectifier modules. The second terminal on each rectifier module is connected to one of the first terminals through the metal connector.

6. The battery testing apparatus according to claim 5, characterized in that, The base includes a first platform and a second platform arranged in parallel, with the second platform placed on the workbench; The two rectifier modules are respectively located on the first side of the first platform and the first side of the second platform. The power supply is located on the second side of the first platform. The first side of the first platform is the side away from the workbench, and the first side of the second platform is the side away from the workbench.

7. The battery testing apparatus according to claim 6, characterized in that, The device further includes two mounting plates, which are respectively disposed on the first side of the first platform and the first side of the second platform, and the two rectifier modules are respectively disposed on the two mounting plates.

8. The battery testing apparatus according to claim 1, characterized in that, The device also includes a power input line; The power input line is used to connect an external power source and the power supply.

9. The battery testing apparatus according to claim 1, characterized in that, The device also includes a control board and a communication port, both of which are mounted on the base.

10. The battery testing apparatus according to claim 1, characterized in that, The rectifier module is mounted on the base by a snap-fit ​​connection.

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