WO2012048475A1

WO2012048475A1 - Bi-battery-groove battery pack

Info

Publication number: WO2012048475A1
Application number: PCT/CN2010/078200
Authority: WO
Inventors: 丘为臣; 孟迪沙瓦诺
Original assignee: 皆盈绿动能科技股份有限公司
Priority date: 2010-10-12
Filing date: 2010-10-28
Publication date: 2012-04-19
Also published as: CN201838633U

Abstract

A bi-battery-groove battery pack (100) is provided. The battery pack (100) comprises a box body (1) which is provided with the first battery chamber (2) and the second battery chamber (4) inside, wherein multiple first battery cells (3) are held in the first battery chamber (2), and each first battery cell (3) comprises electrode plates (31) impregnated in an electrolyte (22) and protrudes a positive electrode (32) and a negative electrode (33); and the second battery cell (5) is held in the second battery chamber (4) and protrudes a positive electrode (51) and a negative electrode (52). Every positive electrode (32) and negative electrode (33) of the first battery cells (3) is electrically connected with the positive electrode (51) and the negative electrode (52) of the second battery cell (5), respectively, and then connected with the first terminal (61) and the second terminal (62) protruding from the box body (1). The first battery cell (3) is a lead acid battery, and the second battery cell (5) is a lithium-iron battery.

Description

Double battery socket battery pack

The present invention relates to a battery structure, and more particularly to a battery pack including a dual battery socket of a lead acid battery and a lithium battery. Background technique

The general lead-acid battery for vehicles has long been the standard equipment for starting batteries for vehicles such as automobiles and locomotives. It has the advantages of large electromotive force, wide operating temperature, simple structure, mature technology and low price, but also has discharge characteristics. Poor, heavy, and high pollution. Due to its heavy weight, it has a certain degree of influence on the fuel consumption of vehicles such as cars and locomotives. Therefore, with the increasing awareness of environmental protection and fuel economy, lead-acid batteries have been gradually eliminated.

In the case of a lithium battery, although the lithium battery has characteristics such as good discharge characteristics, high energy density, and light weight, the price is high. It is still not easy to completely replace lead-acid batteries in a short period of time.

If the integration of the battery characteristics of the lead-acid battery and the lithium battery can be integrated, it is inevitably extremely practical for the user, and if the integrated battery structural case size can be designed to conform to the currently used lead. The size of the acid battery is more industrially useful for currently commercial vehicles or transportation vehicles. Summary of the invention

SUMMARY OF THE INVENTION It is an object of the present invention to provide a battery pack for a dual battery socket in which a battery pack of two different characteristics can be accommodated in a housing to integrate the advantages of two different batteries.

Another object of the present invention is to provide a battery pack including a dual battery socket of a lead acid battery and a lithium battery.

Another object of the present invention is to provide a battery pack that can replace the standard size of a lead-acid battery that is currently used, and can replace the dual-cell socket of a conventional lead-acid battery, regardless of the battery pack of the double-cell battery. The housing size, capacitance or output voltage, etc. can be designed to meet the specifications of commercially available vehicles, and can be widely applied to automobiles, locomotives or other transportation vehicles.

In order to achieve the above object, the present invention provides a battery pack for a dual battery socket, comprising: a housing, the top of the housing is covered with a top plate; a first battery chamber is formed in the housing, the first The battery chamber is divided into a plurality of tank chambers, each of which contains an electrolyte; a second battery chamber is formed in the casing and adjacent to the first battery chamber; a first pile head, convex Extending the top plate of the casing; a second pile head protruding from the top plate of the casing adjacent to the first pile head; a plurality of first battery cells respectively received in the casing In the chamber of a battery chamber, each of the first battery cells includes an electrode plate immersed in the electrolyte, and each of the first battery cells protrudes from a positive electrode and a negative electrode; a second battery cell, disposed in the second battery compartment in the housing, the second battery cell protruding from a positive electrode and a negative electrode; wherein each positive electrode of the first battery cell and a negative After the electrodes are electrically connected to the positive electrode and the negative electrode of the second battery cell, respectively Connected to said first and second pile head of the pile head.

The battery pack of the dual battery socket as described above, wherein the first battery cell is a lead acid battery. The battery pack of the dual battery socket as described above, wherein the second battery cell is a lithium iron battery. The battery pack of the dual battery socket as described above, wherein the top plate includes a first top plate and a second top plate, wherein the first top plate covers the top surface of the first battery chamber, and the second top plate covers On the top surface of the second battery compartment.

The invention also provides a battery pack for a dual battery socket, comprising: a housing, the top of the housing is covered with a top plate; a first battery chamber is formed in the housing; and a second battery chamber is formed In the housing, adjacent to the first battery chamber; a first pile head protruding from the top plate of the casing; a second pile head protruding from the top plate of the casing adjacent to the a first pile head; a plurality of first battery cells housed in the first battery chamber in the housing, each of the first battery cells accommodating an electrolyte and an electrode immersed in the electrolyte a positive electrode and a negative electrode are protruded from the plate; a second battery cell is received in the second battery compartment in the housing, the second battery cell has a positive electrode and a negative protrusion An electrode; wherein each of the positive electrode and the negative electrode of the first battery cell and the second battery cell After the positive electrode and the negative electrode of the body are electrically connected, the first pile head and the second pile head are connected.

Compared with the prior art, the present invention has the following features and advantages:

In the present invention, a first battery compartment and a second battery compartment are formed in a casing, wherein the first battery compartment can accommodate a plurality of first battery cells, and the second battery compartment can accommodate one Second battery cell. The respective positive and negative electrodes of the first battery cell are electrically connected to the positive electrode and the negative electrode of the second battery cell, respectively, and then connected to the first pile head and the second pile head. The first battery cell is a lead acid battery and the second battery cell is a lithium iron battery. The battery pack of the lightweight double battery socket provided by the invention has two battery cells with different charging and discharging characteristics, which can effectively reduce the weight and output the voltage corresponding to the standard of the commercially available vehicle, so it can replace The use of traditional lead-acid batteries, if applied to electric vehicles, can achieve fuel-efficient and environmentally friendly effects. DRAWINGS

The following drawings are only intended to illustrate and explain the invention, and are not intended to limit the scope of the invention. among them,

Figure 1 is a perspective view of a first embodiment of the present invention;

Figure 2 shows a top view of the battery pack of the dual battery socket of Figure 1;

Figure 3 is a cross-sectional view showing the A-A section of Figure 2;

Figure 4 is an exploded perspective view showing the components of the first embodiment of the present invention when separated;

Fig. 5 is an exploded perspective view showing the components of the second embodiment of the present invention when they are separated.

Description of the reference signs:

100, 100a dual battery socket battery pack 1 housing

2, 2a first battery room

21 trough room

22 electrolyte

23 first top board

3, 3a first battery cell

31 electrode plate

32 positive electrode

33 negative electrode

4 second battery room

41 second top board

5 second battery cell

51 positive electrode

52 negative electrode

61 first pile head

62 second pile head

detailed description

For a better understanding of the technical features, objects and effects of the present invention, the specific embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view of a first embodiment of the present invention, FIG. 2 is a plan view showing a preferred embodiment of the present invention, and FIG. 3 is a cross-sectional view of the AA section of FIG. An exploded perspective view of each of the components in the embodiment. The battery pack 100 of the dual battery socket of the present invention includes a housing 1 having a first battery chamber 2 formed therein. The first battery chamber 2 is further divided into a plurality of tank chambers 21, and each of the tank chambers 21 houses an electrolyte 22, and in each tank chamber Each of the 21s houses a first battery cell 3. Each of the first battery cells 3 includes an electrode plate 31 immersed in the electrolyte 22 in the chamber 21, and each of the first battery cells 3 has a positive electrode 32 and a negative electrode. 33. In this embodiment, the first battery cell 3 is a lead acid battery.

A second battery chamber 4 is formed adjacent to the first battery chamber 2 inside the housing 1, and a second battery unit 5 can be accommodated. In the present embodiment, the second battery cell 5 is a lithium battery (e.g., a lithium iron battery) having a positive electrode 51 and a negative electrode 52.

An open structure is formed on the tops of the first battery compartment 2 and the second battery compartment 4 of the casing 1, and can be covered by the first top plate 23 and the second top plate 41, respectively. And the first top plate 23 and the second top plate 41 protrude from the first pile head 61 and the second pile head 62. After each positive electrode 32 and negative electrode 33 of the first battery cell 3 are electrically connected to the positive electrode 51 and the negative electrode 52 of the second battery cell 5, that is, the respective positive electrodes 32 and the first battery cell 3 The positive electrodes 51 of the two battery cells 5 are electrically connected and the respective negative electrodes 33 of the first battery cells 3 are electrically connected to the negative electrodes 52 of the second battery cells 5, and are then connected to the first pile head 61 and the second pile. Head 62.

The first battery cell 3 and the second battery cell 5 have different charge and discharge characteristics. The charge/discharge management between the two can be controlled by a control circuit. The size of the housing 1 of the battery pack 100 of the entire dual battery can be designed to the size of the commonly used lead-acid battery, so that it can be easily placed in the battery housing of the automobile. The battery pack 100 of the dual battery socket can be designed to conform to the specifications of a commercially available vehicle regardless of the housing size, capacitance or output voltage. However, those skilled in the art are aware that the battery pack 100 specifications of the dual battery socket can also be appropriately changed, and can be placed in a traffic vehicle such as a locomotive or an electric wheelchair.

Figure 5 is an exploded perspective view showing the components of the second embodiment of the present invention when they are separated. This embodiment is substantially the same as the first embodiment, so the same components are denoted by the same component numbers, and the difference is that in the present embodiment, the first battery compartment 2a is not divided into slot chambers, but is available for more The first battery cells 3a are housed, and each of the first battery cells 3a houses an electrolyte and an electrode plate immersed in the electrolyte, and a positive electrode 32 and a negative electrode 33 are protruded. Each of the first battery cells 3a After the positive electrode 32 and the negative electrode 33 are electrically connected to the positive electrode 51 and the negative electrode 52 of the second battery cell 5, that is, the positive electrode 32 and the second battery cell 5 of the first battery cell 3a are positive. The electrodes 51 are electrically connected and the respective negative electrodes 33 of the first battery cells 3a are electrically connected to the negative electrodes 52 of the second battery cells 5, and are connected to the first pile head 61 and the second pile head 62.

The above description is only illustrative of the specific embodiments of the invention and is not intended to limit the scope of the invention. Equivalent changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are intended to be within the scope of the invention.

Claims

Claim

A battery pack for a dual battery socket, wherein the battery pack of the dual battery socket comprises:

a casing, the top of the casing is covered with a top plate;

a first battery chamber formed in the housing, the first battery chamber being partitioned into a plurality of chambers, each of which contains an electrolyte;

a second battery chamber formed in the housing adjacent to the first battery chamber;

a first pile head protruding from the top plate of the casing;

a second pile head protruding from the top plate of the casing adjacent to the first pile head;

a plurality of first battery cells respectively received in the chambers of the first battery cells in the housing, each of the first battery cells including an electrode plate immersed in the electrolyte, and each The first battery cells respectively protrude from a positive electrode and a negative electrode;

a second battery cell is received in the second battery compartment of the housing, the second battery cell protruding from a positive electrode and a negative electrode;

The positive electrode and the negative electrode of the first battery cell are electrically connected to the positive electrode and the negative electrode of the second battery cell, respectively, and then connected to the first pile head and the second pile head.

The battery pack for a dual battery socket according to claim 1, wherein the first battery cell is a lead acid battery.

The battery pack for a dual battery socket according to claim 1, wherein the second battery cell is a lithium iron battery.

The battery pack of the double battery socket according to claim 1 , wherein the top plate comprises a first top plate and a second top plate, wherein the first top plate covers the top surface of the first battery compartment And the second top plate covers the top surface of the second battery compartment.

5. A battery pack for a dual battery socket, characterized in that the battery pack of the dual battery socket comprises:

a casing, the top of the casing is covered with a top plate; a first battery chamber formed in the housing;

a first pile head protruding from the top plate of the casing;

a plurality of first battery cells are received in the first battery compartment in the housing, and each of the first battery cells houses an electrolyte and an electrode plate immersed in the electrolyte, and protrudes a positive electrode and a negative electrode;

The battery pack for a dual battery socket according to claim 5, wherein the first battery cell is a lead acid battery.

The battery pack for a dual battery socket according to claim 5, wherein the second battery cell is a lithium iron battery.

The battery pack of the dual battery socket according to claim 5, wherein the top plate comprises a first top plate and a second top plate, wherein the first top plate covers the top surface of the first battery compartment And the second top plate covers the top surface of the second battery compartment.