CN210867220U

CN210867220U - Charging structure of battery

Info

Publication number: CN210867220U
Application number: CN201921795983.7U
Authority: CN
Inventors: 王校军
Original assignee: Shenzhen Tieon Energy Technology Co Ltd
Current assignee: Shenzhen Tieon Energy Technology Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-26
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a charging structure of a battery, which comprises a parallel direct current power supply module, wherein a plurality of parallel direct current power supply modules are connected in parallel on the same output direct current bus through a lead wire; the two direct current power supply modules are electrically connected to the charging and discharging ends of the same battery pack, and are both connected in parallel to an output direct current bus through a lead; the charging structure of the utility model uses two DC power modules which are connected in parallel to charge and discharge a battery pack, thereby greatly improving the reliability; even if a module is damaged, the normal work of the battery is not influenced, the application field can be reduced, meanwhile, the matching of different battery models and different brands can be carried out, the problem that the traditional battery pack occupies a large field is greatly improved, and the utilization rate of the battery is effectively improved.

Description

Charging structure of battery

Technical Field

The utility model relates to a charge structure, in particular to charge structure of battery belongs to battery charging technical field.

Background

Due to the factors such as the cabinet volume, the short-time output power, the battery volume and the like, when communication systems, power systems and the like of different application occasions are configured, the area of a machine room or a transformer substation distribution room is always affected, and the most economical and effective solution cannot be provided more effectively; the traditional batteries are used for stringing, so that single section damage easily causes that the whole battery can not be used, the utilization rate of the batteries is not high, and the grouped batteries also need a lot of space for placing; the invention aims to solve the problem and provides a mode of charging a group of batteries (with large capacity) in parallel by matching two groups of chargers to reduce the number of the batteries.

SUMMERY OF THE UTILITY MODEL

The utility model provides a charging structure of battery has solved among the prior art traditional type direct current system battery area occupied big, and single section goes out the problem, leads to the unable problem of whole group.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a charging structure of battery, the charging structure of this battery includes:

the parallel direct-current power supply modules are connected in parallel on the same output direct-current bus through a lead;

the direct current power supply module comprises a direct current power supply module and a battery pack, wherein the direct current power supply module and the battery pack form a parallel direct current power supply module, the direct current power supply module is electrically connected to the charging and discharging end of the same battery pack, and the direct current power supply module is connected to an output direct current bus in parallel through a wire.

As a preferred technical scheme of the utility model, direct current power supply module includes power, dc-to-ac converter, power distributor, direct current delivery outlet and charge-discharge interface, power output's alternating current passes through the dc-to-ac converter and converts the direct current back into, falls into two parts through power distributor and exports, and partly direct current exports output direct current bus through the direct current delivery outlet in, and another part direct current exports the battery package through charge-discharge interface in.

As a preferred technical scheme of the utility model, still be provided with the booster in the power, the back is stepped up to the alternating current in the power to the booster, exports again.

As a preferred technical scheme of the utility model, one output direct current generating line, two are all connected through the wire to two direct current delivery outlets in the parallelly connected direct current power supply module the charge-discharge interface passes through the wire and connects in parallel and hold at the charge-discharge of battery package.

As a preferred technical scheme of the utility model, the battery package can be one or more group battery group that connect in parallel together and the voltage range of battery package is 12-48V.

The utility model discloses the beneficial effect who reaches is: compared with the prior art, the utility model discloses a charging structure of battery has following beneficial effect:

1. the utility model discloses a charging structure can also can carry out the matching of the different brands of different battery models when reducing the application place, and it is big to have improved traditional type group battery occupation place greatly, and a battery damages, and whole group battery drawback scheduling problem that can not use.

2. The charging structure of the utility model uses two DC power modules which are connected in parallel to charge and discharge a battery pack, thereby greatly improving the reliability; even if one module is damaged, the normal work of the battery is not influenced, and the system is connected together through a direct current bus after a plurality of components are connected in parallel and assembled into a cabinet, so that the utilization rates of the transformer substation, the mobile base station, the communication machine room and the like can be effectively improved, and meanwhile, the utilization rate of the battery can also be effectively improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a subjective structural view of a charging structure of a battery according to the present invention;

fig. 2 is a diagram of a dc power module of a charging structure for a battery according to the present invention;

fig. 3 is a specific schematic block diagram of a charging structure of a battery according to the present invention;

in the figure: 1. a DC power supply module; 11. a power source; 12. a voltage booster; 13. an inverter; 14. a power distributor; 15. a DC output port; 16. a charge-discharge interface; 2. a battery pack; 3. a parallel direct current power supply module; 4. and outputting the direct current bus.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-3, the utility model provides a charging structure of battery, the charging structure of this battery includes:

the parallel direct current power supply modules 3 are connected in parallel on the same output direct current bus 4 through a lead;

a DC power supply module 1, two DC power supply modules 1 and a battery package 2 constitute a parallelly connected DC power supply module 3, and two DC power supply modules 1 electricity are connected in the charge-discharge end at same battery package 2, and two DC power supply modules 1 all connect in parallel on output DC bus 4 through the wire.

The direct current power supply module 1 comprises a power supply 11, an inverter 13, a power distributor 14, a direct current output port 15 and a charging and discharging interface 16, after alternating current output by the power supply 11 is converted into direct current through the inverter 13, the direct current is divided into two parts through the power distributor 14 to be output, one part of direct current is output to an output direct current bus 4 through the direct current output port 15, the other part of direct current is output to a battery pack 2 through the charging and discharging interface 16, a booster 12 is further arranged in the power supply 11, and after the booster 12 boosts the alternating current in the power supply 11, the alternating current is output again.

The battery pack 2 may be composed of one or more battery packs connected in parallel, and the voltage of the battery pack 2 ranges from 12V to 48V.

Specifically, in the same parallel dc power supply module 3, after two dc power supply modules 1 are connected in parallel, a part of dc power is output to the output dc bus 4, and then another part is output to the battery pack 2.

Example 2

As shown in fig. 2-3, the dc power supply module 1 includes a power supply 11, an inverter 13, a power distributor 14, a dc output port 15, and a charging/discharging interface 16, wherein ac power output by the power supply 11 is converted into dc power by the inverter 13, and then divided into two parts by the power distributor 14 for output, one part of the dc power is output to the output dc bus 4 through the dc output port 15, and the other part of the dc power is output to the battery pack 2 through the charging/discharging interface 16, and a booster 12 is further provided in the power supply 11, and the booster 12 boosts the ac power in the power supply 11 and then outputs the ac power.

Alternating current output by a power supply 11 is boosted to a platform voltage through a booster 12, then the alternating current is converted into direct current through an inverter 13, then the direct current is divided into two paths through a power supply distributor 14, one path is directly output to an output direct current bus 4 through a direct current output port 15, the other path is output to a battery pack 2 through a charge-discharge interface 16 for charge and discharge, and two same direct current power supply modules 1 carry out charge and discharge management on the same battery pack 2;

specifically, when a certain dc power supply module 1 is damaged, another dc power supply module 1 can normally work, directly outputs a dc power to the output dc bus 4, and also outputs a dc power to the battery pack 2 for charging and discharging, and when the electric quantity in the two dc power supply modules 1 is insufficient, the battery pack 2 can supply power to the dc power supply module 1, so that the battery pack can output a dc power to the output dc bus 4.

In the whole parallel direct-current power supply module 3, the models of the two direct-current power supply modules 1 are required to be the same, and the sum of the charging currents of the two direct-current power supply modules 1 cannot exceed 50% of the maximum allowable charging current of the battery pack 2; the maximum charging current is reasonably set according to the requirements of a battery manufacturer; i.e. the port discharge current of the two dc power supply modules 1 cannot exceed the maximum discharge current provided by the battery manufacturer.

Two direct current output ports 15 in one parallel direct current power supply module 3 are connected with an output direct current bus 4 through leads, and two charge and discharge interfaces 16 are connected in parallel on the charge and discharge ends of the battery pack 2 through leads.

The charging structure of the utility model uses two DC power supply modules 1 which are connected in parallel to charge and discharge one battery pack 2, thereby greatly improving the reliability; even there is a module to damage, do not influence the normal work of battery yet, the system is in the same place through direct current bus-bar after carrying out parallelly connected group cabinet by a plurality of such subassemblies in addition, can effectively improve the utilization ratio in these places such as transformer substation, removal base station, communication computer lab, can reduce the application place in, carry out the matching of different battery models different brands, improved the big problem in traditional type group battery occupation place greatly, improve the utilization ratio of battery effectively.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A charging structure for a battery, comprising:

the parallel direct-current power supply modules (3) are connected in parallel on the same output direct-current bus (4) through a lead;

a DC power supply module (1), two a parallelly connected DC power supply module (3), two are constituteed in DC power supply module (1) and a battery package (2) DC power supply module (1) electricity is connected at the charge-discharge end of same battery package (2), two DC power supply module (1) all connects in parallel on output direct current bus (4) through the wire.

2. The battery charging structure according to claim 1, wherein the dc power module (1) comprises a power source (11), an inverter (13), a power distributor (14), a dc output port (15), and a charging/discharging interface (16), wherein ac power output by the power source (11) is converted into dc power by the inverter (13) and then divided into two parts by the power distributor (14) for output, one part of the dc power is output to the output dc bus (4) through the dc output port (15), and the other part of the dc power is output to the battery pack (2) through the charging/discharging interface (16).

3. The battery charging structure according to claim 2, wherein a booster (12) is further provided in the power supply (11), and the booster (12) boosts the alternating current in the power supply (11) and outputs the boosted alternating current.

4. The battery charging structure according to claim 2, wherein two dc output ports (15) of one parallel dc power supply module (3) are connected to an output dc bus (4) through wires, and two charging and discharging interfaces (16) are connected in parallel to the charging and discharging terminals of the battery pack (2) through wires.

5. A battery charging structure as claimed in claim 1, wherein said battery pack (2) is composed of one or more battery packs connected in parallel, and the voltage of the battery pack (2) is in the range of 12-48V.