Lithium ion battery pack for communication

Abstract

The utility model relates to the field of direct current communication equipment, and discloses a lithium ion battery pack for communication. The battery pack comprises a battery pack, a control panel and a battery shell, the battery pack comprises a plurality of groups of battery cells, the control panel can be arranged on one side of the battery pack and is electrically connected with the battery pack, a first cavity for placing the battery pack and a second cavity for mounting the control panel can be formed in the battery shell, the second cavity can be formed in one end of the first cavity, a through hole can be formed in the top surface of the second cavity, and the control panel can be arranged in the through hole. The top surface of the control board can be provided with an interface terminal, and the interface terminal is used for penetrating through the through hole to be electrically connected with the outside, thereby facilitating the reasonable arrangement of internal circuit arrangement, and improving the space utilization rate.

Description

Technical Field

[0001] The utility model relates to the field of direct current communication equipment, in particular to a lithium ion battery pack for communication. Background Art

[0002] With the development of society and the improvement of living standards, people have put forward more requirements for communication equipment, and battery packs are an important component. At present, most traditional battery packs use lead-acid batteries, which have low endurance, short service life, large size, and weight, which have become fatal pain points and are not convenient for the use of communication equipment. At the same time, the existing lithium-ion battery packs for communication do not reasonably separate the control board and battery pack, which may lead to unreasonable line layout and low space utilization. In addition, the battery pack and communication electrical equipment are fixed by common bolts, which are prone to jamming, rusting, etc., which may cause the battery pack to fall off or be difficult to install and disassemble. Utility Model Content

[0003] In order to overcome the above technical problems, the utility model provides a lithium-ion battery pack for communication, which divides the battery shell into a first cavity for placing the battery pack and a second cavity for installing the control board, and arranges an interface terminal on the top surface of the second cavity, so as to facilitate direct electrical connection with the outside to realize functions such as charging and discharging; and the battery pack is also provided with a locking mechanism that can be adjusted from the outside, and the locking mechanism realizes the fixed connection and detachment of the hook member of the locking mechanism with the electrical equipment by sliding a toggle member on the outside of the battery pack, so that installation and disassembly are very convenient; the material of the battery shell of the battery pack is aluminum, which can reduce the weight of the battery pack and facilitate carrying.

[0004] In order to achieve the above-mentioned object, the utility model provides a communication lithium-ion battery pack, comprising:

[0005] A battery pack, the battery pack comprising a plurality of battery cells;

[0006] A control board, disposed on one side of the battery pack and electrically connected to the battery pack;

[0007] A battery housing, the battery housing comprising a first cavity for placing the battery pack and a second cavity for installing the control board, the second cavity being disposed at one end of the first cavity;

[0008] The top surface of the second cavity is provided with a through hole, and the top surface of the control board is provided with an interface terminal, and the interface terminal is used to pass through the through hole to be electrically connected to the outside.

[0009] Preferably, the battery pack includes a connecting plate, which is electrically connected to each group of the battery cells and the control board and is disposed between the battery pack and the control board.

[0010] Preferably, the battery pack further comprises a locking mechanism for fixing the connection to the electrical device, and the locking mechanism comprises:

[0011] A hook member, wherein two hooks are arranged on the top of the hook member;

[0012] A toggle member, arranged on one side fixedly connected to the hook member;

[0013] A spring stopper, which is arranged in the hook member and matches the toggle member to achieve a limit stop for the hook member;

[0014] The placement member is arranged on the other side of the hook member and is used to fix the spring stopper.

[0015] Preferably, an end of the first cavity away from the second cavity and an end of the second cavity away from the first cavity are respectively provided with an opening groove, the locking mechanism corresponds to the opening groove one by one, and the toggle member passes through the opening groove, so that the locking mechanism can be adjusted outside the battery housing to fix the connection with the electrical device;

[0016] The top surface of the second cavity is provided with a plurality of hook grooves for the hooks to pass through.

[0017] Preferably, a limit bar is provided on the bottom surface of the first cavity for accommodating the battery pack.

[0018] Preferably, the battery housing comprises an upper cover plate and a lower housing, the upper cover plate is provided with convex blocks on its four edges, the lower housing is provided with a groove matching and connected with the convex block, and a conductive sealing ring is provided in the groove.

[0019] Preferably, the connecting plate further comprises:

[0020] A fuse, integrated at the junction of the connecting plate and the battery pack;

[0021] The copper foil is arranged inside the connecting plate.

[0022] Preferably, the battery housing is made of aluminum.

[0023] Preferably, the interface terminal further comprises an interface bracket, which is sleeved on the interface terminal and matched and connected with the through hole;

[0024] The interface bracket is made of insulating material.

[0025] Through the above technical scheme, the battery pack divides the battery shell into a first cavity for placing the battery pack and a second cavity for installing the control board, and an interface terminal is arranged on the top surface of the second cavity, so as to facilitate direct electrical connection with the outside to realize functions such as charging and discharging; a connecting plate is arranged to realize multiple groups of electrical connection combinations for each group of battery cells in the battery pack, so as to improve the energy density of the battery, and a fuse and copper foil are arranged inside the connecting plate, which safely isolates and protects the battery cells while meeting the needs of large current electrical equipment; the battery pack is also provided with a locking mechanism that can be adjusted from the outside, and the locking mechanism realizes the fixed connection and detachment of the hook member of the locking mechanism with the electrical equipment by sliding a toggle member on the outside of the battery pack, so that installation and disassembly are very convenient; a conductive sealing ring is arranged around the battery shell to form an enclosed space that is resistant to electromagnetic interference, so as to ensure that the equipment can work normally in a complex environment; the material of the battery shell of the battery pack is aluminum, which can reduce the weight of the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The diagram is a schematic diagram of the explosion structure of a lithium-ion battery pack for communication according to an embodiment of the utility model.

[0027] Description of Reference Numerals

[0028] 1. Battery pack 2. Battery cell

[0029] 3. Control panel 4. First cavity

[0030] 5. Second cavity 6. Through hole

[0031] 7. Interface terminal 8. Connection board

[0032] 9. Locking mechanism 10. Opening slot

[0033] 11. Hook slot 12. Upper cover

[0034] 13. Lower housing 14. Interface bracket

[0035] 91. Hook piece 92. Toggle piece

[0036] 93. Spring stopper 94. Placement member

[0037] 911, Hook DETAILED DESCRIPTION

[0038] The specific implementation of the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model.

[0039] like Figure 1The figure shows a schematic diagram of the explosion structure of a lithium-ion battery pack for communication according to one embodiment of the utility model; Figure 1 In the figure, the lithium-ion battery pack for communication includes a battery pack 1, a control board 3, and a battery shell (not shown in the figure); specifically, the battery pack 1 includes a plurality of battery cells 2, the control board 3 can be arranged on one side of the battery pack 1 and electrically connected to the battery pack 1, the battery shell can be provided with a first cavity 4 for placing the battery pack 1 and a second cavity 5 for installing the control board 3, the second cavity 5 can be arranged at one end of the first cavity 4, the top surface of the second cavity 5 can be provided with a through hole 6, the top surface of the control board 3 can be provided with an interface terminal 7, the interface terminal 7 is used to pass through the through hole 6 and electrically connect to the outside. The interface terminal 7 can be a charging and discharging interface integrated in one; the control board 3 can detect the voltage, current and temperature of each battery cell 2, and when an abnormal situation occurs, the control board 3 can control the circuit and shut down the battery to prevent overcharging, over-discharging, over-current and over-temperature; and the control board 3 can realize constant power discharge, constant current discharge and constant voltage discharge.

[0040] The battery pack is constructed by dividing the battery housing into a first cavity for placing the battery pack and a second cavity for installing the control board, and an interface terminal is provided on the top surface of the second cavity to facilitate direct electrical connection with the outside to realize functions such as charging and discharging; the control board controls the protection circuit to realize multiple protections for the battery pack.

[0041] exist Figure 1 In order to realize the connection combination of multiple groups of battery cells 2 and ensure that the battery pack has a high energy density; in one embodiment of the utility model, the battery pack may include a connecting plate 8, which is electrically connected to each group of battery cells 2 and the control board, and is arranged between the battery pack 1 and the control board 3; the battery pack 1 may include four groups of battery cells 2, and the battery cells 2 may be connected in a two-in-two-in-parallel manner to ensure the high energy density of the battery pack, and at the same time, the connecting plate 8 is connected to the control board 3 to realize the transmission of information of the battery cells.

[0042] exist Figure 1In the embodiment of the present invention, it is considered that the traditional bolt fixing method may cause the battery pack to fall off due to the problems of the bolts being stuck, rusted, or broken, and is inconvenient to install and disassemble; in one embodiment of the present utility model, the battery pack also includes a locking mechanism 9 for fixing the connection to the electrical equipment, and the locking mechanism 9 may include a hook member 91, a toggle member 92, a spring stopper 93, and a placement member 94. Two hooks 911 may be provided at the top of the hook member 91. The hook 911 may be directly fixedly connected to the electrical equipment, and the toggle member 92 may be provided on one side fixedly connected to the hook member 91, and the spring stopper 93 may be provided in the hook member to match the toggle member 92 to achieve the limit stop of the hook member 91, and the placement member 94 may be provided on the other side of the hook member 91 to fix the spring stopper 93. When the toggle member 92 is slid, the hook member 91 moves synchronously, but when the toggle member 92 slides to a certain distance, it cooperates with the spring stopper 93 to fix, thereby stopping and fixing the hook member 91, avoiding the instability of the hook member 91, and timely removing the stopper of the hook member 91 by sliding the toggle member 92 in the opposite direction, thereby realizing the rapid installation and removal of the battery pack to the electrical equipment. In order to complete the sliding of the toggle member 92 from the outside, it is convenient for the hook member 91 to contact and fix with the electrical equipment, in one embodiment of the utility model, an end of the first cavity 4 away from the second cavity 5 and an end of the second cavity 5 away from the first cavity 4 are respectively provided with an opening groove 10, and the locking mechanism 9 corresponds to the opening groove 10 one by one. The toggle member 92 passes through the opening groove 10, which is convenient for adjusting the locking mechanism 9 to fix and connect the electrical equipment outside the battery shell, and the top surface of the second cavity can be provided with a plurality of hook grooves 11 for the hook 911 to pass through, so that the hook 911 can directly pass through the second cavity 5 and contact with the electrical equipment.

[0043] In order to prevent the battery pack 1 from being displaced in a high-vibration environment, in one embodiment of the utility model, a limit bar (not shown in the figure) can be provided on the bottom surface of the first cavity 4 for accommodating the battery pack 1. The limit bar can limit the battery pack 1 to a certain range to prevent the battery pack from shaking and being displaced.

[0044] Taking into account the waterproofness and anti-electromagnetic interference performance of the battery case, in one embodiment of the utility model, the battery case may include an upper cover plate 12 and a lower shell 13, and the edges of the upper cover plate 12 are provided with convex blocks (not marked in the figure), and the lower shell 13 is provided with grooves (not marked in the figure) that match and connect with the convex blocks. The convex blocks cooperate with the grooves to improve the waterproofness of the battery case. At the same time, in order to form an enclosed space that is anti-electromagnetic interference, a conductive sealing ring (not marked in the figure) can be provided in the groove to ensure that the equipment can work normally in a complex environment and shield external interference.

[0045] In order to meet the requirements of safe isolation of the battery cell 2 and power supply for high-current equipment, in one embodiment of the utility model, the connecting plate 8 also includes a fuse (not marked in the figure) and a copper foil (not marked in the figure). The fuse can be integrated at the junction of the connecting plate 8 and the battery pack 1 to isolate and protect the battery cell 2. At the same time, the copper foil can be arranged inside the connecting plate 8 to meet the power supply requirements of high-current equipment and avoid burning due to excessive current.

[0046] In order to meet the requirements of lightweight battery pack while having high-strength performance; in one embodiment of the utility model, the material of the battery shell is aluminum. The battery shell can be injection molded by aluminum material, and has the properties of impact resistance, drop resistance, vibration resistance, etc., and the material is light, which can reduce the overall weight of the battery pack.

[0047] In order to reasonably place the position of the interface terminal 7, avoid gaps at the outlet of the interface terminal 7, prevent foreign matter from entering the battery housing, and avoid fire at the interface; in one embodiment of the utility model, the interface terminal 7 also includes an interface bracket 14, which is sleeved on the interface terminal periphery 7, matched with the through hole 6, fixed the interface terminal 7, and protected the interface terminal 7 to prevent foreign matter from entering. At the same time, the material of the interface bracket 14 is insulating material to avoid ignition of the interface bracket 14 due to electric sparks at the interface terminal 7.

[0048] Through the above technical scheme, the battery pack divides the battery shell into a first cavity for placing the battery pack and a second cavity for installing the control board, and an interface terminal is arranged on the top surface of the second cavity, so as to facilitate direct electrical connection with the outside to realize functions such as charging and discharging; a connecting plate is arranged to realize multiple groups of electrical connection combinations for each group of battery cells in the battery pack, so as to improve the energy density of the battery, and a fuse and copper foil are arranged inside the connecting plate, which safely isolates and protects the battery cells while meeting the needs of large current electrical equipment; the battery pack is also provided with a locking mechanism that can be adjusted from the outside, and the locking mechanism realizes the fixed connection and detachment of the hook member of the locking mechanism with the electrical equipment by sliding a toggle member on the outside of the battery pack, so that installation and disassembly are very convenient; a conductive sealing ring is arranged around the battery shell to form an enclosed space that is resistant to electromagnetic interference, so as to ensure that the equipment can work normally in a complex environment; the material of the battery shell of the battery pack is aluminum, which can reduce the weight of the battery pack.

[0049] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention. It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0050] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A lithium-ion battery pack for communication, characterized in that: include: A battery pack, the battery pack comprising a plurality of battery cells; A control board, disposed on one side of the battery pack and electrically connected to the battery pack; A battery housing, the battery housing comprising a first cavity for placing the battery pack and a second cavity for installing the control board, the second cavity being disposed at one end of the first cavity; The top surface of the second cavity is provided with a through hole, and the top surface of the control board is provided with an interface terminal, and the interface terminal is used to pass through the through hole to be electrically connected to the outside; A connecting plate, the connecting plate is electrically connected to each group of the battery cells and the control board, and is disposed between the battery pack and the control board; The locking mechanism is used to fix the connection of the electrical equipment, and the locking mechanism includes: A hook member, wherein two hooks are arranged on the top of the hook member; A toggle member, arranged on one side fixedly connected to the hook member; A spring stopper, which is arranged in the hook member and matches the toggle member to achieve a limit stop for the hook member; A placement member is arranged on the other side of the hook member, and is used to fix the spring stopper; an end of the first cavity away from the second cavity and an end of the second cavity away from the first cavity are respectively provided with an opening groove, and the locking mechanism corresponds to the opening groove one by one, and the toggle member passes through the opening groove, so that the locking mechanism is adjusted outside the battery housing to fix the connection with the electrical device; The top surface of the second cavity is provided with a plurality of hook grooves for the hooks to pass through; The bottom surface of the first cavity is provided with a limit strip for accommodating the battery pack; The battery housing further comprises an upper cover plate and a lower housing, wherein convex blocks are arranged on the edges of the upper cover plate, and a groove matching and connected with the convex block is arranged on the lower housing, and a conductive sealing ring is arranged in the groove.

2. The battery pack according to claim 1, characterized in that: The connecting plate also includes: A fuse, integrated at the junction of the connecting plate and the battery pack; The copper foil is arranged inside the connecting plate.

3. The battery pack according to claim 1, characterized in that: The material of the battery casing is aluminum.

4. The battery pack according to claim 1, characterized in that: The interface terminal also includes an interface bracket, which is sleeved on the interface terminal and matched with the through hole; The interface bracket is made of insulating material.

Images