CN219419990U - Power distribution control device - Google Patents

Abstract

The application relates to a power distribution control device, comprising: the box body, the main control board, the relay, the contactor and the busbar; the box body is provided with an upper cover and an aviation plug, the upper cover is detachably connected with the box body, and the aviation plug is arranged on the outer wall of the box body; the aviation plug comprises a high-voltage input/output aviation plug, a control aviation plug, a motor controller aviation plug and a high-voltage battery aviation plug; the main control board, the relay, the contactor and the busbar are all arranged in the box body; the main control board is provided with a main control chip; the main control chip is electrically connected with the relay; one end of the relay is electrically connected with the aviation plug of the motor controller through the contactor; the other end of the relay is electrically connected with the high-voltage input/output aviation plug through the busbar; the box is applicable to sealed main control board, electronic components such as relay, and busbar and aviation plug's setting can effectively solve current distribution control equipment and lead the line bundle too much, the messy problem of pencil, also can improve the transmission efficiency of electric energy more.

Description

Power distribution control device

Technical Field

The application relates to the field of power distribution equipment, in particular to power distribution control equipment.

Background

With the continuous research and development of battery technology and the maturation of high-power electronic and electric appliance technology, electric power is applied to special equipment on a large scale, and in order to improve the utilization efficiency of the electric power and the distribution efficiency of the electric energy, a power distribution system is particularly important nowadays. However, the existing distribution equipment has complex electronic device structure, and too small a net distance between devices causes a lot of and messy circuits inside the equipment. In the working process, excessive lines not only can obstruct maintenance and detection, but also can influence the normal work of power distribution equipment, and potential safety hazards are generated.

How to reduce the number of wires between devices and make the interior of the power distribution equipment more neat and orderly becomes a problem to be solved by those skilled in the art.

Disclosure of Invention

In view of this, the present application proposes a power distribution control device.

According to an aspect of the present application, there is provided a power distribution control apparatus including:

the box body, the main control board, the relay, the contactor and the busbar;

the box body is provided with an upper cover and an aviation plug, the upper cover is detachably connected with the box body, and the aviation plug is arranged on the outer wall of the box body;

the aviation plug comprises a high-voltage input/output aviation plug, a control aviation plug, a motor controller aviation plug and a high-voltage battery aviation plug;

the main control board, the relay, the contactor and the busbar are all arranged in the box body;

the main control board is provided with a main control chip;

the main control chip is electrically connected with the relay;

one end of the relay is electrically connected with the aviation plug of the motor controller through the contactor;

the other end of the relay is electrically connected with the high-voltage input/output aviation plug through the busbar;

the relays are more than two, and the more than two relays are adjacently arranged.

In one possible implementation, the main control chip is electrically connected to the relay via twisted pair wires.

In one possible implementation, the case is provided with a shielding plate, and the main control board and the relay are respectively located on two opposite sides of the shielding plate.

In one possible implementation, the high voltage input output aviation plug and the control aviation plug are arranged on the same side of the box body;

the motor controller aviation plug and the high-voltage battery aviation plug are arranged on the same side of the box body;

the high-voltage input and output aviation plug and the motor controller aviation plug are respectively arranged on two opposite sides of the box body.

In one possible implementation, the case is of a rectangular parallelepiped configuration.

In one possible implementation manner, the high-voltage input-output aviation plugs are provided with more than two high-voltage input-output aviation plugs which are distributed along the length direction of the box body.

In one possible implementation manner, the number of the high-voltage input-output aviation plugs is consistent with the number of the relays, and the high-voltage input-output aviation plugs are arranged in one-to-one correspondence with the relays.

In one possible implementation, the device further comprises a voltage acquisition board;

the voltage acquisition board is electrically connected with the main control board;

the voltage acquisition board is arranged on one side of the shielding plate.

In one possible implementation, the case is provided with mounting holes;

the mounting hole sets up in one side of box, and the mounting hole is applicable to fixed relay.

In one possible implementation, the case is provided with a fixing portion;

the fixed part is arranged on the outer wall of the box body.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the present application and together with the description, serve to explain the principles of the present application.

Fig. 1 shows a main body structure diagram of a power distribution control apparatus of an embodiment of the present application;

FIG. 2 illustrates a top view of a power distribution control device of an embodiment of the present application;

FIG. 3 illustrates an exploded view of a power distribution control device of an embodiment of the present application;

fig. 4 shows a system schematic diagram of a power distribution control device according to an embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits have not been described in detail as not to unnecessarily obscure the present application.

Fig. 1 shows a main body structure diagram of a power distribution control apparatus of an embodiment of the present application; FIG. 2 illustrates a top view of a power distribution control device of an embodiment of the present application; FIG. 3 illustrates an exploded view of a power distribution control device of an embodiment of the present application; fig. 4 shows a system schematic diagram of a power distribution control device according to an embodiment of the present application. As shown in fig. 3, the power distribution control apparatus includes: the box body 100, the main control board, the relay 200 and the busbar 500; the box body 100 is provided with an upper cover 110 and an aviation plug, the upper cover 110 is detachably connected with the box body 100, and the aviation plug is arranged on the outer wall of the box body 100; the aviation plug comprises a high-voltage input-output aviation plug 130, a control aviation plug 140, a motor controller aviation plug and a high-voltage battery aviation plug; the main control board, the relay 200 and the busbar 500 are all arranged in the box body 100; the main control board is provided with a main control chip; the main control chip is electrically connected with the relay 200; one end of the relay is electrically connected with the aviation plug of the motor controller through the contactor; the other end of the relay is electrically connected with the high-voltage input/output aviation plug through the busbar; the number of relays 200 is two or more, and two or more relays 200 are adjacently arranged.

The box body 100 is suitable for sealing electronic components such as a main control board and the relay 200, so that the electronic components are orderly arranged in the box body 100, an external power supply is isolated, and the like, and can effectively prevent the serial connection of interference signals and protect the internal electronic components from abrasion and corrosion. The open end of the box body 100 is provided with an upper cover 110, the upper cover 110 is matched with the box body 100 and can be detachably arranged, and the upper cover 110 is suitable for protecting and preventing dust of internal components of the power distribution control equipment. The main control chip is used for receiving control signals sent by an upper layer and processing the upper layer signals, and is electrically connected with the relays 200, and the opening and closing of each relay 200 are controlled through the main control circuit so as to achieve the effect of power distribution. The box 100 is equipped with aviation plug, and aviation plug sets up on the outer wall of box 100, and aviation plug is applicable to the electric connection between the inside electronic components of box 100 and the outside electronic components of box 100, when making things convenient for the connection or disconnection between the circuit, can effectively reduce the use of entity electric wire. The contactors are provided with more than two, and each relay 200 is electrically connected with a corresponding contactor. The relay 200 more than two is connected with the high-voltage input/output aviation plug 130 through the busbar 500, the arrangement of the busbar 500 can effectively reduce the number of physical wires inside the box 100, solve the problems of disordered structure, too many wire harnesses and disordered wire harnesses in the existing power distribution control equipment, and can also improve the transmission efficiency of electric energy, so that the electric energy transmission is more stable, the stability of the whole system is improved, and the space utilization rate inside the box 100 is also improved.

In one possible implementation, the master control chip is electrically connected to the relay 200 through a master control circuit. The main control chip controls the opening and closing of each relay 200 through a main control circuit, further, the main control circuit is a twisted pair, the communication mode between the main control chip and the relays 200 is communication through telecommunication, and the main control chip controls the opening and closing of the relays 200 through electric signals. The twisted pair is adopted as a conductor for electric connection, so that the reliability is high, the use is convenient, the anti-interference capability between electronic components can be improved, and common mode interference can be effectively restrained.

In one possible implementation manner, the case 100 is provided with a shielding plate 300, the relay 200 and the busbar 500 are both arranged below the shielding plate 300, the main control board and the voltage acquisition board 400 are arranged above the shielding plate 300, and the main control board and the relay 200 are respectively arranged on two opposite sides of the shielding plate 300; the strong current in the busbar 500 and the weak current in the main control board are isolated through the shielding plate 300, so that the strong current and the weak current are effectively isolated, and the stability of the power distribution control equipment is improved.

In one possible implementation, the case 100 is a rectangular parallelepiped structure. The upper cover 110 is also of a rectangular parallelepiped structure. Further, the upper cover 110 is fixedly connected with the box body 100 through the fixing bolt, so that the upper cover is convenient to install and detach, a sealing groove is formed in the contact surface of the upper cover 110 and the box body 100, and sealing rubber strips are embedded in the sealing groove, so that the sealing performance of equipment can be enhanced. The power distribution control equipment has the advantages of simple structure and low cost. The material of the case 100 is an aluminum alloy, which has good corrosion resistance, high strength, and high deformation resistance. Although the case 100 is described above by way of example in fig. 3, those skilled in the art will appreciate that the present application should not be limited thereto. In fact, the user can flexibly set the shape of the case 100 according to personal preference and/or actual application scenario, as long as the desired shape is achieved.

In one possible implementation, the aviation plug includes a high voltage input output aviation plug 130, a control aviation plug 140, a motor controller aviation plug and a high voltage battery aviation plug, the high voltage input output aviation plug 130 and the control aviation plug 140 are disposed on the same side of the box 100, the motor controller aviation plug and the high voltage battery aviation plug are disposed on the same side of the box 100, and the high voltage input output aviation plug and the motor controller aviation plug are disposed on opposite sides of the box 100. Here, it should be noted that the aviation plug is disposed on the outer wall of the case 100; the outer wall of the box body 100 is provided with a hole, the hole is matched with an aviation plug, the aviation plug is installed on the outer wall of the box body 100 through the hole, an insulating rubber pad is arranged in a gap between the aviation connecting plug and the hole, and a special process is adopted to seal the gap to achieve a waterproof function. The insulating rubber pad can enable installation of the aviation plug to be stable, so that the aviation connecting plug is ensured not to fall off the box body 100 during operation.

In one possible implementation manner, the high-voltage input-output aviation plugs 130 are more than two, and the number of the further high-voltage input-output aviation plugs 130 is six, where it is to be noted that the six high-voltage input-output aviation plugs 130 are adjacently arranged along the length direction of the box body 100. The relay 200 is electrically connected to the high voltage input output aerial plug 130 through the busbar 500. The control of the relay 200 on output electricity is realized, and different relays 200 are controlled according to different electric signals received by the main control board, so that the effect of power distribution is achieved.

In one possible implementation, the number of high voltage input output aerial plugs 130 is consistent with the number of relays 200, and the high voltage input output aerial plugs 130 are arranged in a one-to-one correspondence with the relays 200. Further, the number of the high-voltage input/output aviation plugs 130 is six, the number of the relays 200 is six, and each relay 200 is connected with the corresponding high-voltage input/output aviation plug 130 through the busbar 500.

The aviation plug 140 is electrically connected with a main control chip of the main control board, and is used for receiving control signals sent by an upper layer by the main control chip and processing the signals of the upper layer.

As shown in fig. 2, the motor controller aviation plug comprises a motor controller anode aviation plug 150 and a motor controller cathode aviation plug 160, wherein the motor controller anode aviation plug 150 is provided with more than two, and the motor controller anode aviation plug 150 is further provided with four; more than two motor controller negative aviation plugs 160 are arranged, and four motor controller negative aviation plugs 160 are further arranged; four motor controller positive pole aviation plugs 150 and four motor controller negative pole aviation plugs 160 alternate and arrange along the body length direction of box 100 and the setting of one-to-one correspondence.

Here, it should be noted that, one end of the positive aviation plug 150 of a motor controller is electrically connected to a contactor inside the case 100; the other end of a motor controller positive aviation plug 150 is electrically connected to a motor controller. Further, four motor controllers are arranged outside the box body, each motor controller is electrically connected with a motor controller anode aviation plug 150 on the box body 100, and each motor controller anode aviation plug 150 is electrically connected with a corresponding contactor respectively; and four motor controller negative aviation plugs 160 are connected together.

The high voltage battery aviation plug includes a high voltage battery positive aviation plug 170 and a high voltage battery negative aviation plug 180. The high-voltage battery aviation plug is arranged on one side of the motor controller aviation plug, and the high-voltage battery anode aviation plug 170 is arranged adjacent to the high-voltage battery cathode aviation plug 180.

Here, one end of the high-voltage battery positive electrode aviation plug 170 and one end of the high-voltage battery negative electrode aviation plug 180 are electrically connected with the positive and negative electrodes of the high-voltage battery outside the case 100; the other end of the high-voltage battery anode aviation plug 170 and the other end of the high-voltage battery cathode aviation plug 180 are electrically connected with the contactor.

The main control board is provided with a current sensing system and a voltage sensing system which are respectively used for checking the voltage value and the current value inside the equipment. Here, the current sensor system is provided with a current board, an input end of the current board is connected with the high-voltage input/output aviation plug 130, and an output end of the current board is connected with the main control board. The voltage sensing system is provided with a voltage plate, the input end of the voltage plate is connected with a high-voltage input-output aviation plug 130, and the output end of the voltage plate is connected with a main control board.

In one possible implementation manner, the resistor 600 is further included, and the resistor 600 is provided with more than two resistors; the resistor 600 is electrically connected to the high voltage input/output aviation plug 130, and the resistor 600 is connected in series with the relay 200. Resistor 600 provides a shunt effect suitable for increasing the fault tolerance of the system. Further, the resistors 600 are provided in five, and the five resistors 600 are provided in one-to-one correspondence with the five relays 200, respectively, and are connected in series.

In one possible implementation, the voltage acquisition board 400 is further included; the voltage acquisition board 400 is electrically connected with the main control board; the voltage acquisition board 400 is disposed above the shielding board 300 and adjacent to the main control board. The voltage acquisition board 400 is adapted to acquire voltages of six control paths.

In one possible implementation, the case 100 is provided with mounting holes; the mounting holes are provided at the bottom of the case 100, and are adapted to fix the relay 200. Because the weight of the relay 200 is large, an opening for fixing the relay 200 needs to be designed at the bottom of the box body 100, and the relay 200 is fixed at the bottom of the box body 100 by corresponding bolts, so that the stability of the relay 200 in equipment is improved.

In one possible implementation, the case 100 is provided with a fixing portion 120; the fixing portion 120 is provided on the outer wall of the case 100. Here, it should be noted that, the fixing portion 120 is suitable for mounting and fixing the box 100, the further fixing portion 120 is rubber bases, four rubber bases are provided, the four rubber bases are respectively disposed at four corners of the bottom of the box 100, each rubber base is configured with a damping steel sleeve and a damping pad, and is suitable for stable mounting of the box 100, and the influence of vibration on equipment is reduced.

Inside the case 100, a skid 700 is provided, and the skid 700 is suitable for supporting electronic components such as the shielding plate 300.

The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A power distribution control apparatus, characterized by comprising:

the box body, the main control board, the relay, the contactor and the busbar;

the box body is provided with an upper cover and an aviation plug, the upper cover is detachably connected with the box body, and the aviation plug is arranged on the outer wall of the box body;

the aviation plug comprises a high-voltage input/output aviation plug, a control aviation plug, a motor controller aviation plug and a high-voltage battery aviation plug;

the main control board, the relay, the contactor and the busbar are all arranged in the box body;

the main control board is provided with a main control chip;

the main control chip is electrically connected with the relay;

one end of the relay is electrically connected with the motor controller aviation plug through the contactor;

the other end of the relay is electrically connected with the high-voltage input/output aviation plug through the busbar;

the relays are more than two, and the relays are adjacently arranged.

2. The power distribution control device of claim 1, wherein the main control chip is electrically connected to the relay via a twisted pair.

3. The power distribution control device according to claim 1, wherein the case is provided with a shielding plate, and the main control board and the relay are respectively located on opposite sides of the shielding plate.

4. The power distribution control device according to claim 1, wherein the high-voltage input-output aviation plug and the control aviation plug are provided on the same side of the box body;

the motor controller aviation plug and the high-voltage battery aviation plug are arranged on the same side of the box body;

the high-voltage input and output aviation plug and the motor controller aviation plug are respectively arranged on two opposite sides of the box body.

5. The power distribution control apparatus according to claim 4, wherein the case has a rectangular parallelepiped structure.

6. The power distribution control device according to claim 4, wherein the high-voltage input-output aviation plug is provided with two or more, and the two or more high-voltage input-output aviation plugs are arranged along the body length direction of the box body.

7. The power distribution control apparatus according to claim 6, wherein the number of the high-voltage input-output aviation plugs is identical to the number of the relays, and the high-voltage input-output aviation plugs are arranged in one-to-one correspondence with the relays.

8. The power distribution control device of claim 3, further comprising a voltage acquisition board;

the voltage acquisition board is electrically connected with the main control board;

the voltage acquisition board is arranged on one side of the shielding plate.

9. The power distribution control apparatus according to claim 1, wherein the case is provided with a mounting hole;

the mounting hole is arranged on one side of the box body, and the mounting hole is suitable for fixing the relay.

10. The power distribution control apparatus according to claim 1, wherein the case is provided with a fixing portion;

the fixing part is arranged on the outer wall of the box body.