Double-voltage output battery pack

Abstract

According to the dual-voltage output battery pack, a positive electrode VCC of a first battery pack is electrically connected with a second metal plug-in of a first socket and a fourth metal plug-in of a second socket, and a negative electrode VSS1 of the first battery pack is electrically connected with a fifth metal plug-in of a third socket; the positive electrode VCC2 of the second battery pack is electrically connected with the first metal plug-in of the first socket, and the negative electrode of the second battery pack is electrically connected with the third metal plug-in of the second socket and the sixth metal plug-in of the third socket; the port connection mode includes that the positive electrodes and the negative electrodes of the first battery pack and the second battery pack are mutually short-circuited and configured to output voltage in parallel to supply power to the first host, and the first battery pack and the second battery pack are configured to output voltage in series to supply power to the second host. The device has the advantages that the socket of the battery pack is ingeniously designed, and the two battery packs in the battery pack are automatically configured to be in series output or parallel output through different insertion pieces at the host end, so that the defects of the prior art which is realized through a relay or a complex mechanical mechanism are overcome, the cost is saved, and the use reliability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery management, and in particular relates to a battery pack with dual voltage outputs. Background Art

[0002] For a battery pack composed of multiple cells, in order to adapt to the use of hosts with different voltages, the multiple cells are divided into battery groups with the same number of cells: battery group and battery group. The two groups of batteries can be used in series or in parallel to output voltage. In order to achieve the switching output of the above two groups of batteries in series and in parallel, the prior art generally uses a complex mechanical conversion mechanism or a relay to short or disconnect the positive and negative electrodes of the two groups of batteries in the battery pack. This method has a complex structure, high cost, and is prone to damage the battery after long-term use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a battery pack with dual voltage outputs.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a dual-voltage output battery pack, including a battery pack, characterized in that the battery pack includes a first battery group and a second battery group with independent batteries of the same number of cells, and a first socket, a second socket, and a third socket;

[0005] The first socket comprises a first metal plug-in and a second metal plug-in, and the first metal plug-in and the second metal plug-in are arranged front and back along the socket direction;

[0006] The second socket includes a third metal plug-in and a fourth metal plug-in, and the third metal plug-in and the fourth metal plug-in are arranged front and back along the socket direction;

[0007] The third socket includes a fifth metal plug-in and a sixth metal plug-in, and the positions of the fifth metal plug-in and the sixth metal plug-in are arranged front and back along the socket direction;

[0008] The positive electrode VCC1 of the first battery pack is electrically connected to the second metal plug-in of the first socket and the fourth metal plug-in of the second socket, and the negative electrode VSS1 of the first battery pack is electrically connected to the fifth metal plug-in of the third socket; the positive electrode VCC2 of the second battery pack is electrically connected to the first metal plug-in of the first socket, and the negative electrode VSS2 of the second battery pack is electrically connected to the third metal plug-in of the second socket and the sixth metal plug-in of the third socket;

[0009] It also includes a first long metal insert and a second long metal insert;

[0010] The first long metal plug is electrically connected to the first metal plug and the second metal plug in the first socket of the battery pack; the second long metal plug is electrically connected to the fifth metal plug and the sixth metal plug in the third socket of the battery pack; that is, the positive electrode VCC1 of the first battery pack in the battery pack is short-circuited with the positive electrode VCC2 of the second battery pack, and the negative electrode VSS1 of the first battery pack is short-circuited with the negative electrode VSS2 of the second battery pack;

[0011] The first long metal plug is electrically connected to the positive electrode of the host 1, and the second long metal plug is electrically connected to the negative electrode of the host 1; that is, the host 1 obtains the parallel output voltage of the first battery group and the second battery group to supply power;

[0012] A dual-voltage output battery pack, comprising a battery pack, characterized in that: the battery pack comprises a first battery group and a second battery group with independent batteries of the same number of cells, and a first socket, a second socket, and a third socket;

[0013] The first socket comprises a first metal plug-in and a second metal plug-in, and the first metal plug-in and the second metal plug-in are arranged front and back along the socket direction;

[0014] The second socket includes a third metal plug-in and a fourth metal plug-in, and the third metal plug-in and the fourth metal plug-in are arranged front and back along the socket direction;

[0015] The third socket includes a fifth metal plug-in and a sixth metal plug-in, and the positions of the fifth metal plug-in and the sixth metal plug-in are arranged front and back along the socket direction;

[0016] The positive electrode VCC1 of the first battery pack is electrically connected to the second metal plug-in of the first socket and the fourth metal plug-in of the second socket, and the negative electrode VSS1 of the first battery pack is electrically connected to the fifth metal plug-in of the third socket; the positive electrode VCC2 of the second battery pack is electrically connected to the first metal plug-in of the first socket, and the negative electrode VSS2 of the second battery pack is electrically connected to the third metal plug-in of the second socket and the sixth metal plug-in of the third socket;

[0017] It also includes a first short metal insert, a second short metal insert, and a third long metal insert;

[0018] The first short metal plug is electrically connected to the first metal plug in the first socket of the battery pack; the second short metal plug is electrically connected to the fifth metal plug in the third socket of the battery pack; the third long metal plug is electrically connected to the third metal plug and the fourth metal plug in the second socket of the battery pack;

[0019] The first short metal plug is electrically connected to the positive electrode of the second host, and the second short metal plug is electrically connected to the negative electrode of the second host;

[0020] That is, the negative electrode VSS1 of the first battery group in the battery pack is electrically connected to the negative electrode of the host 2, the positive electrode VCC2 of the second battery group is electrically connected to the positive electrode of the host 2, and the positive electrode VCC1 of the first battery group is connected to the negative electrode VSS2 of the second battery group;

[0021] That is, the host 1 obtains the series output voltage of the first battery group and the second battery group for power supply.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows: the battery pack of the utility model can automatically configure the two battery groups in the battery pack for series output or parallel output through different metal pins on the host end, thereby matching the voltage requirements of hosts with different voltages. The utility model cleverly designs the socket of the battery pack, and automatically configures the two battery groups in the battery pack for series output or parallel output through different plugs on the host end, without the need for complex conversion mechanisms or relays, and has a simple and reliable structure and low cost; the utility model solves the drawbacks of the prior art that is achieved through relays or complex mechanical mechanisms, greatly saves costs, and improves the reliability of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a battery pack capable of serial and parallel connection and dual voltage output according to the first embodiment of the utility model;

[0024] Figure 2 This is a connection diagram of the battery pack of the first embodiment of the utility model and the host end when the battery pack outputs parallel voltage;

[0025] Figure 3 This is a connection diagram between the battery pack of the first embodiment of the utility model and the host end when outputting series voltage.

[0026] The markings in the figure are:

[0027] Battery pack; 101, host 1; 102, host 2; 201, first battery pack; 202, second battery pack;

[0028] first socket; 204, second socket; 205, third socket; 2031, first metal plug;

[0029] 2032, second metal plug-in; 2041, third metal plug-in; 2042, fourth metal plug-in; 2051, fifth metal plug-in; 2052, sixth metal plug-in; 1011, first long metal plug-in; 1012, second long metal plug-in;

[0030] 1021, a first short metal plug; 1022, a second short metal plug; 1023, a third long metal plug. DETAILED DESCRIPTION

[0031] The technical solution of the utility model is further described below in conjunction with the accompanying drawings of the specification. Example 1

[0032] like Figure 1 As shown, a dual-voltage output battery pack, the battery pack 100 includes an independent first battery group 201 and a second battery group 202 with the same number of battery cells, and a first socket 203, a second socket 204 and a third socket 205;

[0033] The first socket 203 includes a first metal plug-in 2031 and a second metal plug-in 2032, and the first metal plug-in 2031 and the second metal plug-in 2032 are arranged front and back along the socket direction;

[0034] The second socket 204 includes a third metal plug-in 2041 and a fourth metal plug-in 2042, and the third metal plug-in 2041 and the fourth metal plug-in 2042 are arranged front and back along the socket direction;

[0035] The third socket 205 includes a fifth metal plug-in 2051 and a sixth metal plug-in 2052, and the fifth metal plug-in 2051 and the sixth metal plug-in 2052 are arranged front and back along the socket direction;

[0036] The positive electrode VCC1 of the first battery pack 201 is electrically connected to the second metal plug-in 2032 of the first socket 203 and the fourth metal plug-in 2042 of the second socket 204, and the negative electrode VSS1 of the first battery pack 201 is electrically connected to the fifth metal plug-in 2051 of the third socket 205; the positive electrode VCC2 of the second battery pack 202 is electrically connected to the first metal plug-in 2031 of the first socket 203, and the negative electrode of the second battery pack 202 is electrically connected to the third metal plug-in 2041 of the second socket 204 and the sixth metal plug-in 2052 of the third socket 205.

[0037] 1) When the host side needs the battery pack 100 to output voltage in parallel: the positive and negative electrodes of the host side need to be equipped with long metal plugs to short-circuit the first metal plug-in 2031 and the second metal plug-in 2032 in the first socket 203 of the battery pack 100, and the fifth metal plug-in 2051 and the sixth metal plug-in 2052 in the third socket 205, so as to short-circuit the positive electrodes VCC1, VCC2 and the negative electrodes VSS1, VSS2 of the first battery group 201 and the second battery group 202;

[0038] like Figure 2 As shown, the positive electrode of the host 101 is electrically connected to the first long metal plug 1011, and the negative electrode of the host 101 is electrically connected to the second long metal plug 1012;

[0039] When the host 101 is connected to the battery pack 100: the first long metal plug 1011 of the positive pole of the host 101 is inserted into the first socket 203 of the battery pack 100, and the second long metal plug 1012 of the negative pole of the host 101 is inserted into the third socket 205 of the battery pack 100;

[0040] After the host 101 is inserted into the battery pack 100: the first long metal plug 1011 of the positive electrode of the host 101 is electrically connected to the first metal plug 2031 and the second metal plug 2032 in the first socket 203 of the battery pack 100; the second long metal plug 1012 of the negative electrode of the host 101 is electrically connected to the fifth metal plug 2051 and the sixth metal plug 2052 in the third socket 205 of the battery pack 100;

[0041] In this way, the positive electrode VCC1 of the first battery group 201 in the battery pack 100 is short-circuited with the positive electrode VCC2 of the second battery group 202, and the negative electrode VSS1 of the first battery group 201 is short-circuited with the negative electrode VSS2 of the second battery group 202, and is configured to output voltage in parallel to power the host 101.

[0042] 2) When the host end needs the battery pack 100 to output voltage in series: the positive and negative electrodes of the host end need to be equipped with short metal plugs to connect the first metal plug 2031 in the first socket 203 of the battery pack 100, and the fifth metal plug 2051 in the third socket 205, so as to connect the positive electrode VCC2 of the second battery pack 202 and the negative electrode VSS1 of the first battery pack 201; at the same time, the host end also needs to be equipped with a long metal plug to short-circuit the third metal plug 2041 and the fourth metal plug 2042 in the second socket 204 of the battery pack 100, thereby short-circuiting the positive electrode VCC1 of the first battery pack 201 and the negative electrode VSS2 of the second battery pack 202;

[0043] like Figure 3 As shown, the positive electrode of the second host 102 is electrically connected to the first short metal plug 1021 equipped therewith, the negative electrode of the second host 102 is electrically connected to the second short metal plug 1022 equipped therewith, and the second host 102 is also equipped with a third long metal plug 1023;

[0044] When the host 2 102 is connected to the battery pack 100: the first short metal plug 1021 of the positive pole of the host 2 102 is inserted into the first socket 203 of the battery pack 100, the short metal plug 1022 of the negative pole of the host 2 102 is inserted into the third socket 205 of the battery pack 100, and the third long metal plug 1023 of the host 2 102 is inserted into the second socket 204 of the battery pack 100;

[0045] After the host 2 102 is inserted into the battery pack 100: the first short metal plug 1021 of the positive pole of the host 2 102 is electrically connected to the first metal plug 2031 in the first socket 203 of the battery pack 100; the second short metal plug 1022 of the negative pole of the host 2 102 is electrically connected to the fifth metal plug 2051 in the third socket 205 of the battery pack 100; the third long metal plug 1023 of the host 2 102 is electrically connected to the third metal plug 2041 and the fourth metal plug 2042 in the second socket 204 of the battery pack 100;

[0046] In this way, the negative electrode VSS1 of the first battery pack 201 in the battery pack 100 is connected to the negative electrode of the second host 102, the positive electrode VCC2 of the second battery pack 202 is connected to the positive electrode of the second host 102, and the positive electrode VCC1 of the first battery pack 201 is connected to the negative electrode VSS2 of the second battery pack 202. The first battery pack 201 and the second battery pack 202 are configured to output a voltage in series to supply power to the second host 102.

[0047] As mentioned above, it is only the preferred embodiment of the utility model, and it is not a limitation of the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A dual voltage output battery pack, comprising a battery pack, characterized in that: The battery pack includes a first battery group and a second battery group with the same number of batteries, and a first socket, a second socket, and a third socket; The first socket comprises a first metal plug-in and a second metal plug-in, and the first metal plug-in and the second metal plug-in are arranged front and back along the socket direction; The second socket includes a third metal plug-in and a fourth metal plug-in, and the third metal plug-in and the fourth metal plug-in are arranged front and back along the socket direction; The third socket includes a fifth metal plug-in and a sixth metal plug-in, and the positions of the fifth metal plug-in and the sixth metal plug-in are arranged front and back along the socket direction; The positive electrode VCC1 of the first battery pack is electrically connected to the second metal plug-in of the first socket and the fourth metal plug-in of the second socket, and the negative electrode VSS1 of the first battery pack is electrically connected to the fifth metal plug-in of the third socket; the positive electrode VCC2 of the second battery pack is electrically connected to the first metal plug-in of the first socket, and the negative electrode VSS2 of the second battery pack is electrically connected to the third metal plug-in of the second socket and the sixth metal plug-in of the third socket; It also includes a first long metal insert and a second long metal insert; The first long metal plug is electrically connected to the first metal plug-in and the second metal plug-in in the first socket of the battery pack; The second long metal plug is electrically connected to the fifth metal plug-in and the sixth metal plug-in in the third socket of the battery pack; that is, the positive electrode VCC1 of the first battery pack in the battery pack is short-circuited with the positive electrode VCC2 of the second battery pack, and the negative electrode VSS1 of the first battery pack is short-circuited with the negative electrode VSS2 of the second battery pack; The first long metal plug is electrically connected to the positive electrode of the host one, and the second long metal plug is electrically connected to the negative electrode of the host one; that is, the host one obtains the parallel output voltage of the first battery group and the second battery group for power supply.

2. A dual voltage output battery pack, comprising a battery pack, characterized in that: The battery pack includes a first battery group and a second battery group with the same number of batteries, and a first socket, a second socket, and a third socket; The first socket comprises a first metal plug-in and a second metal plug-in, and the first metal plug-in and the second metal plug-in are arranged front and back along the socket direction; The second socket includes a third metal plug-in and a fourth metal plug-in, and the third metal plug-in and the fourth metal plug-in are arranged front and back along the socket direction; The third socket includes a fifth metal plug-in and a sixth metal plug-in, and the positions of the fifth metal plug-in and the sixth metal plug-in are arranged front and back along the socket direction; The positive electrode VCC1 of the first battery pack is electrically connected to the second metal plug-in of the first socket and the fourth metal plug-in of the second socket, and the negative electrode VSS1 of the first battery pack is electrically connected to the fifth metal plug-in of the third socket; the positive electrode VCC2 of the second battery pack is electrically connected to the first metal plug-in of the first socket, and the negative electrode VSS2 of the second battery pack is electrically connected to the third metal plug-in of the second socket and the sixth metal plug-in of the third socket; It also includes a first short metal insert, a second short metal insert, and a third long metal insert; The first short metal plug is electrically connected to the first metal plug in the first socket of the battery pack; the second short metal plug is electrically connected to the fifth metal plug in the third socket of the battery pack; The third long metal plug is electrically connected to the third metal plug-in and the fourth metal plug-in in the second socket of the battery pack; The first short metal plug is electrically connected to the positive electrode of the second host, and the second short metal plug is electrically connected to the negative electrode of the second host; That is, the negative electrode VSS1 of the first battery group in the battery pack is electrically connected to the negative electrode of the host 2, the positive electrode VCC2 of the second battery group is electrically connected to the positive electrode of the host 2, and the positive electrode VCC1 of the first battery group is connected to the negative electrode VSS2 of the second battery group; That is, the host obtains the series output voltage of the first battery group and the second battery group for power supply.

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