CN212412824U

CN212412824U - Bidirectional charging and discharging machine

Info

Publication number: CN212412824U
Application number: CN202023153979.6U
Authority: CN
Inventors: 李显洋; 张佳; 谭莉; 武猛
Original assignee: Wuhan Jingneng Electronic Technology Co ltd; Wuhan Jingce Electronic Group Co Ltd
Current assignee: Wuhan Jingneng Electronic Technology Co ltd; Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingce Electronic Technology Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-01-26
Anticipated expiration: 2030-12-24

Abstract

The application relates to a bidirectional charge and discharge machine, which relates to the technical field of charge and discharge and comprises a box body, a patch panel, a main control panel, an AC/DC power module and a DC/DC power module; the adapter plate is arranged at the bottom side of the box body, the main control plate and the DC/DC power module are arranged on the adapter plate, and the AC/DC power module is arranged on the side surface of the DC/DC power module; meanwhile, the AC/DC power module is electrically connected with the DC/DC power module, and the main control board is connected with the DC/DC power module through the adapter board. The embodiment of the application provides a bidirectional charge and discharge machine which is compact in structure and effectively saves the volume of a box body.

Description

Bidirectional charging and discharging machine

Technical Field

The application relates to the technical field of charging and discharging, in particular to a bidirectional charging and discharging machine.

Background

With the rapid development of the domestic new energy industry, the manufacturing process of the lithium battery is continuously iterated and matured, and the product quality of the lithium battery is directly influenced by the formation and content as an important link in the manufacturing and processing process of the lithium battery. If the performance of the lithium battery reaches a better state, the charging and discharging equipment is required to provide stable current.

In the current market, the performance of the charging and discharging equipment is uneven, for example, the partial charging and discharging equipment uses an AC/DC power module and a DC/DC power module for secondary assembly, and the problem that the structural volume of the charging and discharging equipment is larger easily due to the unreasonable layout of the power modules.

Disclosure of Invention

The embodiment of the application provides a bidirectional charge and discharge machine, which aims to solve the problem that the volume of the charge and discharge machine is too large in the related technology.

The embodiment of the application provides a bidirectional charge and discharge machine, which comprises a box body, a switching board, a main control board, an AC/DC power supply module and a DC/DC power supply module;

the adapter plate is arranged at the bottom side of the box body, the main control plate and the DC/DC power module are arranged on the adapter plate, and the AC/DC power module is arranged on the side surface of the DC/DC power module;

meanwhile, the AC/DC power module is electrically connected with the DC/DC power module, and the main control board is connected with the DC/DC power module through the adapter board.

In some embodiments, the AC/DC power supply module includes two sub AC/DC power supply modules, and the two sub AC/DC power supply modules are disposed at both sides of the DC/DC power supply module.

In some embodiments, two of the sub AC/DC power modules are connected in parallel.

In some embodiments, the positive output terminal of the sub AC/DC power module is connected to the positive input terminal of the DC/DC power module through a copper bar.

In some embodiments, the AC/DC power module comprises a plurality of sub-AC/DC power modules, the DC/DC power module comprises a plurality of sub-DC/DC power modules, each sub-AC/DC power module is connected to one or more of the sub-DC/DC power modules; meanwhile, each sub-DC/DC power supply module individually forms an output channel, or at least two sub-DC/DC power supply modules are connected in parallel to form a plurality of output channels.

In some embodiments, a plurality of the sub DC/DC power modules are arranged side by side.

In some embodiments, the main control board is routed adjacent to an outside of the sub-DC/DC power modules.

In some embodiments, a shield plate is disposed between the DC/DC power supply module and each of the two sub AC/DC power supply modules.

In some embodiments, the shielding plate is disposed in a bent manner, one side of the shielding plate separates the sub AC/DC power supply module from the DC/DC power supply module, and the other side of the shielding plate is located above the sub AC/DC power supply module.

In some embodiments, the shield plate cooperates with the housing to form one DC/DC power module duct and two sub-AC/DC power module ducts.

The beneficial effect that technical scheme that this application provided brought includes: compact structure, effectively save the volume of box.

The embodiment of the application provides a bidirectional charge and discharge machine, wherein a DC/DC power supply module and a main control board are both arranged on a box body through a switching board, and an AC/DC power supply module is arranged on the side surface of the DC/DC power supply module, so that the layout with a compact structure is presented; the main control board is connected with the DC/DC power module through the adapter board, so that the wires do not need to be used for electrical connection, the utilization rate of the wires in the box body is reduced, the size of the box body is effectively reduced, and no extra space is occupied.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a perspective view of a bidirectional charging and discharging machine provided in an embodiment of the present application;

fig. 2 is a top view (with an upper cover plate removed) of a bidirectional charging and discharging machine provided in an embodiment of the present application;

fig. 3 is an exploded view of a bi-directional charging and discharging machine according to an embodiment of the present application;

in the figure: 1. a box body; 11. a front panel; 12. a rear panel; 13. a left panel; 14. a right panel; 15. an upper cover plate; 16. a lower base plate; 17. a heat dissipation small hole; 18. an output end; 2. an adapter plate; 3. a main control board; 4. a sub AC/DC power supply module; 41. a positive copper bar; 5. a sub DC/DC power supply module; 6. a shielding plate; 61. soaking cotton; 7. a fan set; 8. a power source.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a bidirectional charge and discharge machine which is compact in structure and effectively saves the volume of a box body.

As shown in fig. 1 to 3, an embodiment of the present application provides a bidirectional charge and discharge machine, including a box 1, an adapter plate 2, a main control board 3, an AC/DC power module, and a DC/DC power module;

the adapter plate 2 is arranged at the bottom side of the box body 1, the main control plate 3 and the DC/DC power module are arranged on the adapter plate, and the AC/DC power module is arranged on the side surface of the DC/DC power module;

meanwhile, the AC/DC power module is electrically connected with the DC/DC power module, and the main control board 3 is connected with the DC/DC power module through the adapter board 2.

The working principle of the bidirectional charging and discharging machine provided by the embodiment of the application is as follows:

the box body 1 is internally provided with an adapter plate 2, a main control plate 3, an AC/DC power supply module and a DC/DC power supply module, meanwhile, one end of the AC/DC power supply module is connected with an alternating current power grid of commercial power, the other end of the AC/DC power supply module is connected with the DC/DC power supply module, and the main control plate 3 is in communication connection with the DC/DC power supply module through the adapter plate 2; in the charging process, the AC/DC power supply module converts alternating-current voltage of commercial power into high direct-current bus voltage and transmits the high direct-current bus voltage to the DC/DC power supply module, and the DC/DC power supply module converts the high direct-current bus voltage into low voltage required by a customer and outputs the low voltage to an external battery to charge the battery; in the discharging stage, the DC/DC power supply module boosts the low voltage (1-5V) at the battery end to 20V direct current, and feeds the 20V direct current back to an alternating current power grid of a commercial power through inversion of the AC/DC power supply module, so that the purpose of discharging the battery is achieved.

The embodiment of the application provides a bidirectional charge and discharge machine, wherein a DC/DC power supply module and a main control board 3 are arranged on a box body 1 through an adapter board 2, and an AC/DC power supply module is arranged on the side surface of the DC/DC power supply module, so that the layout with a compact structure is presented; meanwhile, the main control board 3 and the DC/DC power module transmit electric signals through the adapter board 2, wires do not need to be used for electric connection, and the wires are directly connected through the adapter board 2, so that the utilization rate of the wires in the case is reduced, the size of the case is effectively reduced, and extra space is not occupied.

Preferably, the AC/DC power supply module includes two sub AC/DC power supply modules 4, and the two sub AC/DC power supply modules 4 are arranged on two sides of the DC/DC power supply module.

Further, two of the sub AC/DC power modules 4 are connected in parallel.

In this embodiment, the box body 1 is provided with an input end and an output end 18 of the bidirectional charging and discharging machine, the two sub AC/DC power modules 4 are installed in a modular design layout, and the two sub AC/DC power modules 4 are connected in parallel and then redistributed to the DC/DC power module by the alternating current of the input end, so that the requirement of high-power utilization can be met, or different current requirements can be met, the AC/DC power modules 4 with smaller structural size can be used, and the size of the box body is reduced by reasonable distribution in the box body 1.

Specifically, the positive output end of the sub AC/DC power supply module 4 is connected to the positive input end of the DC/DC power supply module through a copper bar. In this embodiment, the positive output end of the sub AC/DC power module 4 is connected to one positive copper bar 41, the positive input end of the DC/DC power module is connected to the other positive copper bar 41, and the pins of the two positive copper bars 41 are connected, so that the sub AC/DC power module 4 is connected to the DC/DC power module. Meanwhile, the negative electrode output end of the sub AC/DC power supply module 4 is connected with a negative electrode copper bar on the output end of the bidirectional charge and discharge machine through a negative electrode copper bar. Meanwhile, each sub-AC/DC power supply module 4 is connected with one positive copper bar 41, so that on one hand, the situation that one positive copper bar 41 is used for connecting two sub-AC/DC power supply modules 4 and the longer size needs to be designed can be avoided, the longer positive copper bar can easily interfere with the arrangement of other devices in the box body 1, and on the other hand, compared with the situation that one positive copper bar is used, the two positive copper bars 41 can be designed to be thinner, and the reasonable layout of other devices is facilitated.

Preferably, the AC/DC power supply module comprises a plurality of sub AC/DC power supply modules 4, the DC/DC power supply module comprises a plurality of sub DC/DC power supply modules 5, and each sub AC/DC power supply module 4 is connected to one or more sub DC/DC power supply modules 5; meanwhile, each sub DC/DC power supply module 5 individually forms an output channel, or at least two sub DC/DC power supply modules 5 are connected in parallel to form a plurality of output channels. In an embodiment, the output channel outputs power to the outside through the output terminal 18.

In this embodiment, the DC/DC power supply module includes eight sub DC/DC power supply modules 5, and four different output channels can be formed. The first is that an output channel is formed for each of the eight DC/DC power supply modules 5; in the second type, every two DC/DC power modules 5 in the eight DC/DC power modules 5 are connected in parallel to form four groups of DC/DC power modules 5 so as to form four output channels; in the third mode, every four DC/DC power modules 5 in the eight DC/DC power modules 5 are connected in parallel to form two groups of DC/DC power modules 5 so as to form two output channels; and the fourth is that eight DC/DC power supply modules 5 are connected in parallel to form a group of DC/DC power supply modules 5 so as to form an output channel. Then, in the embodiment of the present application, when there are a plurality of DC/DC power modules 5, different numbers of sub-DC/DC power modules 5 can be selected to be connected in parallel to form an output channel, and on the premise of not changing devices in the box 1, only the connection relationship between the plurality of DC/DC power modules 5 needs to be changed to implement that one bidirectional charge and discharge machine meets the multi-specification power consumption requirement, thereby expanding the application range of the bidirectional charge and discharge machine, improving the compatibility of the bidirectional charge and discharge machine, and outputting different current amounts according to the actual power consumption requirement.

Specifically, the number of the sub-DC/DC power supply modules 5 in the DC/DC power supply module and the number of the sub-AC/DC power supply modules 4 in the AC/DC power supply module are calculated according to the output power, taking the second output channel as an example, two sub AC/DC power modules 4 and eight sub DC/DC power modules 5, the eight sub DC/DC power modules 5 are connected in parallel two by two to form four output channels outputting the same current and voltage, each output channel outputs 5V160A, which requires 3200W in total, that is, the AC/DC power modules at least provide more than 3200W of power, while a single 3200W sub AC/DC power module compromises the size of the cabinet and is generally not, and the power consumption is large, the manufacturing cost is high, so that the sub AC/DC power supply modules 4 with two small power points can also meet the design requirement.

Further, a plurality of the sub DC/DC power supply modules 5 are arranged side by side. The sub DC/DC power modules 5 are sequentially inserted on the adapter plate 2 side by side and connected through the printed circuit on the adapter plate 2, so that all the sub DC/DC power modules 5 occupy less space, and the purpose of reducing the volume of the box body is further realized.

Further, the main control board 3 is arranged near the outer side of the sub DC/DC power supply module 5. The main control board 3 is arranged close to the sub-DC/DC power supply modules 5, is inserted into the adapter board 2, and can be arranged between the two sub-AC/DC power supply modules 4 side by side with the sub-DC/DC power supply modules 5, so that the optimized layout space is further reduced.

As a preferable solution of the embodiment of the present application, a shielding plate 6 is respectively disposed between the DC/DC power supply module and the two sub AC/DC power supply modules 4. In this embodiment, the shielding plate 6 can block interference between the DC/DC power module and the two sub AC/DC power modules 4.

Furthermore, the shielding plate 6 is also pasted with insulating paper.

Furthermore, the shielding plate 6 is disposed in a bent manner, one side of the shielding plate separates the sub AC/DC power module 4 from the DC/DC power module, and the other side of the shielding plate is located above the sub AC/DC power module 4. In this embodiment, the shielding plate 6 is a metal plate bent, the bottom of the shielding plate is fixed on the box body 1, and the other side of the shielding plate 6 is fixed on the box body 1 through a screw.

Furthermore, foam 61 is attached to the upper surface of the other side of the shielding plate 6, so that the vibration and noise reduction of the shielding plate 6 and the box body 1 can be realized through the effect of the foam 61.

Furthermore, the shielding plate 6 and the box body 1 cooperate to form a DC/DC power supply module air duct and two sub AC/DC power supply module air ducts. In this embodiment, the two shielding plates 6 divide the box body 1 into a middle DC/DC power module air duct and two side AC/DC power module air ducts, and fans are disposed at the ends of the DC/DC power module air duct and the AC/DC power module air duct to dissipate heat and cool the DC/DC power module and the sub AC/DC power module 4.

Specifically, the box body 1 comprises a front panel 11, a rear panel 12, a left panel 13, a right panel 14, an upper cover plate 15 and a lower bottom plate 16. In this embodiment, the left panel 13, the right panel 14 and the bottom plate 16 are an integral structure, the front panel 11 is further provided with a vent hole and a LED lamp installed in any one of the prior art, a fan set 7 is disposed near the front panel 11, the fan set 7 is located at an end of the DC/DC power module air duct, so that air enters the box body 1 through the vent hole in the front panel 11, and the fan set 7 blows air to the DC/DC power module air duct and causes airflow to flow from front to back; heat dissipation aperture 17 has been seted up at the both ends of rear panel 12, and is close to rear panel 17 still installs two exhaust fans, two the exhaust fan corresponds heat dissipation aperture 17 to gas in the air duct to AC/DC power module is pumped backward.

Specifically, the bidirectional charging and discharging machine further comprises a power supply 8, wherein the power supply 8 is installed on the lower base plate 16 and is located between the fan set 7 and the DC/DC power supply module, and is used for supplying power to the main control board 3 and the LED lamp.

Of course, in this embodiment, the heat of the bi-directional charge and discharge machine is mainly generated by the AC/DC power module and the DC/DC power module. More specifically, DC/DC power module includes MOS pipe, sampling resistor, be equipped with MOS pipe fin on the MOS pipe, be equipped with the sampling resistor fin on the sampling resistor. The MOS tube radiating fins are arranged on the MOS tube, and the sampling resistor radiating fins are arranged on the sampling resistor for radiating heat by adopting any one of the prior art, so detailed description is omitted.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A bidirectional charge and discharge machine is characterized by comprising a box body (1), a transfer board (2), a main control board (3), an AC/DC power module and a DC/DC power module;

the adapter plate (2) is arranged at the bottom side of the box body (1), the main control plate (3) and the DC/DC power module are arranged on the adapter plate, and the AC/DC power module is arranged on the side surface of the DC/DC power module;

meanwhile, the AC/DC power module is electrically connected with the DC/DC power module, and the main control board (3) is connected with the DC/DC power module through the adapter board (2).

2. A bi-directional charge-discharge machine according to claim 1, characterized in that said AC/DC power supply module comprises two sub AC/DC power supply modules (4), and that two of said sub AC/DC power supply modules (4) are arranged on both sides of said DC/DC power supply module.

3. A bi-directional charge-discharge machine according to claim 2, characterized in that two of said sub AC/DC power supply modules (4) are connected in parallel.

4. A bi-directional charge-discharge machine according to claim 2, characterized in that the positive output of said sub-AC/DC power module (4) is connected to the positive input of said DC/DC power module by means of copper bars.

5. A bi-directional charge-discharge machine according to claim 1, characterized in that said AC/DC power supply module comprises a plurality of sub-AC/DC power supply modules (4), said DC/DC power supply module comprises a plurality of sub-DC/DC power supply modules (5), each of said sub-AC/DC power supply modules (4) being connected to one or more of said sub-DC/DC power supply modules (5); meanwhile, each sub-DC/DC power supply module (5) forms an output channel independently, or at least two sub-DC/DC power supply modules (5) are connected in parallel to form a plurality of output channels.

6. A bi-directional charge-discharge machine according to claim 5, characterized in that a plurality of said sub DC/DC power supply modules (5) are arranged side by side.

7. A bi-directional charge-discharge machine according to claim 5, characterized in that the main control board (3) is arranged close to the outside of the sub DC/DC power supply module (5).

8. A bi-directional charge-discharge machine according to claim 2, characterized in that between the DC/DC power supply module and the two sub AC/DC power supply modules (4) there is arranged one shield plate (6) each.

9. The bi-directional charge-discharge machine according to claim 8, characterized in that the shielding plate (6) is arranged bent, one side of which separates the sub AC/DC power supply module (4) from the DC/DC power supply module and the other side of which is located above the sub AC/DC power supply module (4).

10. The bi-directional charge-discharge machine according to claim 8, characterized in that said shielding plate (6) cooperates with said tank (1) to form one DC/DC power module duct and two sub AC/DC power module ducts.