CN207304108U - Big battery group charge power supply - Google Patents

Abstract

The utility model discloses big battery group charge power supply,Including babinet,Babinet is by base,Upper cover plate,Back shroud,Front shroud forms,Two Battery pack systems are equipped with babinet to unite,The plastic shell for including being made of upper cover and lower cover per Battery pack system system,A plurality of lithium ion batteries are equipped with the plastic shell,Series connection forms battery pack between lithium ion battery,Formed per Battery pack string formation after connection and positive and negative extremely connect copper sheet respectively,Further include the front fender being arranged on plastic shell,The rear wing and side protection board being arranged on babinet,The front fender is equipped with transformer,Reset switch,Display screen,Pneumatics switchs and power source charges interface,The utility model has rain-proof,Anti- sand dust,Anti salt spray corrosion ability,With overvoltage,Overcurrent,Overpower,Overcharge,Charging time-out,Short circuit such as is automatically closed at the various defencive functions；It is and man-machine interface, intuitive display, easy to operate.

Description

Large battery pack charging power

technical field

The utility model relates to the technical field of communication electronics, in particular to a charging power source for a large battery pack.

Background technique

The walkie-talkie is a two-way mobile communication tool, especially in the relatively fixed and frequent occasions, the walkie-talkie has become an important tool for short-distance communication and mobile command and dispatch. At present, the walkie-talkies used by people need to be powered by batteries no matter whether they are in the state of transmitting or receiving. In the prior art, the charging power supply fails to realize the charging of the walkie-talkie, and all adopt 220V to carry out step-down charging, which cannot be carried, is inconvenient to use, and is limited in use.

Utility model content

In order to overcome the above disadvantages in the prior art, the purpose of this utility model is to provide a charging power source for a large battery pack.

The utility model is realized through the following technical solutions: the charging power supply of the large battery pack includes a box body, the box body is composed of a base, an upper cover plate, a rear cover plate, and a front cover plate, and two sets of battery pack systems are arranged in the box body, Each battery pack system includes a plastic case composed of an upper cover and a lower cover. The plastic case is provided with a plurality of lithium-ion batteries, and the lithium-ion batteries are connected in series to form a battery pack. Each battery pack is connected in series to form positive and negative terminals. Connect the copper sheets respectively, and also include a front protection plate set on the plastic shell, a rear protection plate and a side protection plate set on the box body, and the front protection plate is equipped with a transformer, a reset switch, a display screen, and an air pressure switch and power charging interface.

Furthermore, the plastic shell of the utility model is fixed in the box by screws.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. The utility model has the ability to prevent rain, sand and dust, and salt spray corrosion;

2. The human-machine interface of the utility model has intuitive display and easy operation;

2. The utility model can accurately detect battery voltage, battery capacity, discharge current, discharge power and discharge time;

3. The utility model adopts a multifunctional digital tube LCD to display various technical parameters and numerical units;

4. The utility model automatically recognizes various protection states and displays codes on the interface;

5. The utility model adopts the standard charging curve of constant current and then constant voltage for charging, and cooperates with battery protection to ensure that the battery is fully charged safely under high safety conditions;

6. The utility model has various protection functions such as overvoltage, overcurrent, overpower, overcharge, charging overtime, short-circuit automatic shutdown, etc.;

7. The utility model has wide voltage input, stable output voltage and small ripple.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is an exploded view of the utility model;

Fig. 2 is an exploded view of the battery pack system of the present invention.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can also be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Referring to Fig. 1 and Fig. 2, the large battery pack charging power source of the present embodiment includes a box body, and the box body is composed of a base 1, an upper cover plate 2, a rear cover plate 3, and a front cover plate 4. There are two sets of battery pack systems 20, each set of battery pack systems includes a plastic case composed of an upper cover 5 and a lower cover 6, the plastic case is fixed in the box by a screw 7, and a plurality of lithium-ion batteries are arranged inside the plastic case Lithium-ion batteries are connected in series to form a battery pack 8, one set of battery packs 8 are connected in series to form a copper sheet 9 connected to the positive end, and another set of battery packs 8 are connected in series to form a copper sheet 9 connected to the negative end, and are also arranged on the plastic shell The front protection plate 10, the rear protection plate 11 and the side protection plate 12 arranged on the box body are provided with a transformer 13, a reset switch 14, a display screen 15, an air pressure switch 16 and a power charging interface 17 .

The cell protection chip of the battery pack system of the utility model adopts the MCU design scheme, cooperates with the panel multifunctional digital direct current parameter bidirectional coulomb power LCD display, and accurately displays the relevant parameters of the cell. The built-in backup battery pack has a large capacity, reaching 3.6V/3.2AH with 252 independent batteries, 7 strings and 36 parallel structures, forming 25.2V/115AH/2900WH; the output main power is 25V/60Amax, and the maximum output DC power with load capacity can reach 1500W . At the same time, it integrates built-in power modules with other independent output specifications, including 5V/3A/15W (supply power for mobile phone handheld devices), 8.4V/5A/42W (supply power for handheld voice intercom devices), 13.5V/20A/ 270W (supply power for high-power vehicle-mounted communication radio stations), 48V/5A/240W (supply power for high-power 48V special communication systems). In emergency situations, 5 sets of outputs can be used for external devices at the same time, and it is truly universal for one machine . In more special occasions, the main output 25V/60A/1500W can be connected to an external pure sine wave 220V/600W inverter to supply other devices such as notebook computers and desktop computers.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and purpose of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (2)

1. The charging power supply of the large battery pack, including the box body, is characterized in that: the box body is composed of a base, an upper cover plate, a rear cover plate, and a front cover plate, and two sets of battery pack systems are arranged in the box body, and each set The system includes a plastic casing composed of an upper cover and a lower cover. The plastic casing is equipped with a plurality of lithium-ion batteries. The lithium-ion batteries are connected in series to form a battery pack. After each battery pack is connected in series, the positive and negative terminals are connected to copper sheets respectively. , also includes a front protection board arranged on the plastic shell, a rear protection board and side protection boards arranged on the box body, the front protection board is provided with a transformer, a reset switch, a display screen, an air pressure switch and a power charging interface . 2. The charging power supply for a large battery pack according to claim 1, wherein the plastic casing is fixed in the box by screws.