CN219019391U

CN219019391U - Three-in-one integrated power auxiliary power controller of special vehicle

Info

Publication number: CN219019391U
Application number: CN202223189492.2U
Authority: CN
Inventors: 申武攀; 高军华; 郭文明
Original assignee: Zhengzhou New Base Automobile Electronics Co ltd
Current assignee: Zhengzhou New Base Automobile Electronics Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-12
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a three-in-one integrated power auxiliary power controller for a special vehicle, which comprises a controller box, wherein a DC/DC power converter, a vehicle-mounted charger, a high-voltage power distribution unit and a main control board are fixedly arranged in the controller box, and a high-voltage input interface is arranged on the controller box. In the process of using, through the inside temperature variation of thermistor sensing, after the temperature that the temperature reached the main control board set up, the miniature drawing liquid pump of main control board control and semiconductor refrigeration piece work this moment, the water in the water-cooling coil pipe can begin to circulate cooling to components and parts this moment, in the in-process of circulation cooling, can outwards derive the heat of the water in the water-cooling coil pipe through controller box itself, accomplish the preliminary heat dissipation to the cooling water, then the cooling water can be through in the circulating pipe, the water through the semiconductor refrigeration piece in to the circulating pipe cools down this moment, the water through the cooling can discharge again this moment, cool down components and parts, the cooling effect to components and parts has been guaranteed.

Description

Three-in-one integrated power auxiliary power controller of special vehicle

Technical Field

The utility model belongs to the technical field of vehicle controllers, and particularly relates to a three-in-one integrated power auxiliary power controller for a special vehicle.

Background

Under the condition that electric automobiles are becoming more and more popular, the development of light weight and integration has become trend on the premise of meeting safety for the whole electric power system, the requirement on the system space is becoming more and more compact, and the electric power equipment structure is becoming modularized. With the development of electric vehicles, a highly integrated auxiliary power control system is generated, DC/DC, high-voltage power distribution and vehicle-mounted charging equipment are integrated and packaged when the auxiliary power control system is manufactured, and the integrated power controller is made into a special vehicle three-in-one integrated power auxiliary power controller, namely a DCDC+OBC+PDU three-in-one driver, so that the wire harness length and the energy loss can be reduced, the maintenance is convenient, and the occupied space and the manufacturing cost can be effectively reduced.

Because DC/DC, high-voltage distribution and vehicle-mounted charging equipment are integrated and packaged in the controller box, the heat generation of the controller is more remarkable when the overall power performance of the product is improved, and the heat dissipation fan is generally adopted to discharge internal heat at present, but because the internal components are too compact, the resistance to the heat dissipation air flow is large, the size of the controller box is limited, the size of the heat dissipation fan is smaller, the air supply quantity is smaller, the heat dissipation requirement of the controller can be effectively met through the heat dissipation mode of the heat dissipation fan, and the phenomenon of overheating of the controller is easy to cause.

Disclosure of Invention

The utility model aims at: in order to solve the problems, the three-in-one integrated power auxiliary power controller with good heat dissipation performance for the special vehicle is provided.

The technical scheme adopted by the utility model is as follows: the three-in-one integrated power auxiliary power controller for the special vehicle comprises a controller box, wherein a DC/DC power converter, a vehicle-mounted charger, a high-voltage power distribution unit and a main control board are fixedly arranged in the controller box;

the controller box is provided with a high-voltage input interface, the high-voltage input interface is electrically connected with a high-voltage distribution unit, and the high-voltage distribution unit is electrically connected with the DC/DC power converter and the vehicle-mounted charger;

the inner wall of the controller box is surrounded by a water-cooling coil, and the liquid inlet end and the liquid outlet end of the water-cooling coil are communicated with the cooler;

the cooler comprises a circulating pipe, and a semiconductor refrigerating sheet is arranged at one side of the outer end of the circulating pipe.

In a preferred embodiment, two ends of the circulating pipe are respectively communicated with a liquid inlet end and a liquid outlet end of the water-cooling coil, and the DC/DC power converter, the vehicle-mounted charger, the high-voltage power distribution unit and the main control board are arranged in a cavity formed in the middle of the water-cooling coil.

In a preferred embodiment, the whole controller box is made of aluminum alloy materials, a plurality of heat radiation fins are arranged at the outer ends of two sides of the controller box and the outer end of the circulating pipe, and a maintenance cover is fixedly arranged at the upper end of the controller box through screws.

In a preferred embodiment, the positioning plates are welded and fixed at two ends of the controller box, a plurality of DC sockets electrically connected with the DC/DC power converter are arranged at the outer side of the controller box, a high-voltage output interface electrically connected with the high-voltage distribution unit is arranged below the high-voltage input interface, a plurality of charging interfaces electrically connected with the vehicle-mounted charger are fixed at the outer side of the controller box, and the main control board is electrically connected with the output end of the DC/DC power converter.

In a preferred embodiment, the DC/DC power converter, the vehicle-mounted charger, the high-voltage power distribution unit and the main control board are located above the cooler, the main control board is provided with a thermistor, and the main control board is electrically connected with the miniature liquid pump and the semiconductor refrigerating sheet.

In a preferred embodiment, one side of the controller box is provided with a grounding point.

Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. in the utility model, when the temperature reaches the temperature at which the controller needs to radiate heat, the components are radiated by the cooling water in the water cooling coil, and the cooling water can cool in the circulation process in the radiating process, so that the cooling effect of the cooling water working for a long time can be improved, and the service life of the controller is prolonged.

2. In the utility model, the DC/DC power converter, the vehicle-mounted charger and the high-voltage power distribution unit are integrated and installed in the control box, so that the overall occupied space and cost can be reduced while the auxiliary power control of the power supply is ensured, and meanwhile, the maintenance of the controller can be facilitated due to the integral integration.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic and schematic illustration of the internal structure of the controller box of the present utility model;

FIG. 3 is a schematic diagram of the distribution of water cooling coils and coolers within the controller box of the present utility model;

FIG. 4 is a schematic diagram of a cross-sectional configuration of the intercooler of the present utility model.

The marks in the figure: the device comprises a 1-maintenance cover, a 2-cooling fin, a 3-positioning plate, a 4-cooling hole, a 5-high voltage input interface, a 6-DC socket, a 7-charging interface, an 8-controller box, a 9-vehicle-mounted charger, a 10-DC/DC power converter, an 11-main control board, a 12-water cooling coil pipe, a 13-high voltage power distribution unit, a 14-cavity, a 15-miniature liquid pump, a 16-cooler, a 161-semiconductor refrigerating sheet, a 162-circulating pipe and a 163-cooling shell.

Detailed Description

The utility model will be further described with reference to specific embodiments in the drawings.

Referring to fig. 1-4, a three-in-one integrated power auxiliary power controller for a special vehicle comprises a controller box 8, wherein a DC/DC power converter 10, a vehicle-mounted charger 9, a high-voltage power distribution unit 13 and a main control board 11 are fixedly arranged in the controller box 8, a high-voltage input interface 5 is arranged on the controller box 8, the high-voltage input interface 5 is electrically connected with the high-voltage power distribution unit 13, the high-voltage power distribution unit 13 is electrically connected with the DC/DC power converter 10 and the vehicle-mounted charger 9, the DC/DC power converter 10, the vehicle-mounted charger 9 and the high-voltage power distribution unit 13 are integrally installed in the controller box 8, and the overall occupation space and cost can be reduced while the auxiliary power control of the power supply is ensured.

Referring to fig. 2, the inner wall of the controller box 8 is provided with a water-cooling coil 12 in a surrounding manner, the liquid inlet end and the liquid outlet end of the water-cooling coil 12 are communicated with a cooler 16, and components are cooled by cooling water in the water-cooling coil 12. The inner chamber top of controller box 8 is equipped with first fan 17, and first fan 17 passes through link 18 and connects the inner wall of controller box 8, and first fan 17 is used for stirring the air current of controller box 8 inner chamber, makes water-cooling coil 12 dispel the heat better.

Wherein the water cooling coil 12 is internally provided with cooling water.

Referring to fig. 1, the two sides of the lower end of the controller box 8 are provided with heat dissipation holes 4, and the heat dissipation holes 4 can assist in heat dissipation of the interior of the controller box 8.

The cooler 16 includes a circulation pipe 162, a semiconductor cooling plate 161 is disposed at one side of an outer end of the circulation pipe 162, a heat-conducting liquid is disposed in the cooler 16, the heat-conducting liquid is water or brine, the semiconductor cooling plate 161 is disposed at an inner side of the heat dissipation hole 4, a cold end of the semiconductor cooling plate 161 contacts the heat-conducting liquid, a hot end of the semiconductor cooling plate 161 is disposed at an outer side of the cooler 16 and is close to the heat dissipation hole 4 at one side, that is, the hot end of the semiconductor cooling plate 161 is disposed at a bottom of the cooler 16, a gap is formed between the hot end of the semiconductor cooling plate 161 and a bottom surface of the controller box 8, a second fan (not shown) is disposed at the heat dissipation hole 4 at the other side, and a plurality of second fans are disposed along the heat dissipation hole 4 and are used for blowing heat of the hot end of the semiconductor cooling plate 161 out of the heat dissipation hole 4. The circulating pipe 162 is installed in the inside of the cooling shell 163, the semiconductor refrigerating sheet 161 is fixedly installed on one side wall of the cooling shell 163, cooling water can pass through the circulating pipe 162, at the moment, the temperature of the water in the circulating pipe 162 is reduced through the semiconductor refrigerating sheet 161, at the moment, the cooled water can be discharged again, components are cooled, and the cooling effect on the components is guaranteed.

Referring to fig. 3, the cooler 16 includes a circulation pipe 162, two ends of the circulation pipe 162 are respectively communicated with a liquid inlet end and a liquid outlet end of the water cooling coil 12, and the DC/DC power converter 10, the vehicle-mounted charger 9, the high-voltage power distribution unit 13 and the main control board 11 are arranged in a cavity 14 formed in the middle of the water cooling coil 12, so that the water cooling coil 12 can cool the DC/DC power converter 10, the vehicle-mounted charger 9, the high-voltage power distribution unit 13 and the main control board 11 in multiple directions in the above installation manner, and the cooling effect on components is ensured.

Referring to fig. 1 and 4, the whole controller box 8 is made of an aluminum alloy material, a plurality of heat dissipation fins 2 are arranged at the outer ends of two sides of the controller box 8 and the outer end of the circulating pipe 162, heat of water in the water cooling coil 12 is led out outwards through the controller box 8 in the circulating cooling process, primary heat dissipation of cooling water is completed, and heat generated by components can be led out through the controller box 8, so that the heat dissipation effect is improved.

Referring to fig. 1, a maintenance cover 1 is fixedly mounted on the upper end of a controller box 8 by screws, and the maintenance cover 1 can be opened by loosening the screws, so that components in the controller box 8 can be maintained.

Referring to fig. 1, positioning plates 3 are welded and fixed at two ends of a controller box 8, a plurality of DC sockets 6 electrically connected with a DC/DC power converter 10 are arranged at the outer side of the controller box 8, a high-voltage output interface electrically connected with a high-voltage distribution unit 13 is arranged below a high-voltage input interface 5, a plurality of charging interfaces 7 electrically connected with a vehicle-mounted charger 9 are fixed at the outer side of the controller box 8, a main control board 11 is electrically connected with the output end of the DC/DC power converter 10, and the plurality of interfaces arranged on the controller can be electrically connected with equipment of an electric automobile together to provide auxiliary power control for the electric automobile.

Referring to fig. 3, a micro pump 15 is installed at a connection portion between the circulation pipe 162 and the water cooling coil 12, and circulation power can be provided for cooling water provided in the water cooling coil 12 by the micro pump 15.

Referring to fig. 2, the DC/DC power converter 10, the vehicle-mounted charger 9, the high-voltage power distribution unit 13, and the main control board 11 are located above the cooler 16, and the DC/DC power converter 10, the vehicle-mounted charger 9, the high-voltage power distribution unit 13, and the main control board 11 are integrally mounted in the controller box 8 according to the size, so that the overall size of the controller 8 can be reduced.

The main control board 11 is provided with a thermistor, the output ends of the main control board 11 and the DC/DC power converter 10 are electrically connected with the miniature liquid pump 15 and the semiconductor refrigerating sheet 161, in the using process, the temperature change inside the main control board is sensed through the thermistor, and after the temperature reaches the temperature set by the main control board 11, the main control board 11 controls the miniature liquid pump 15 and the semiconductor refrigerating sheet 161 to work at the moment, so that certain electric energy loss can be reduced.

It should be noted that the above electrical connection manner is a connection manner commonly used in the prior art, and will not be described in detail.

In this embodiment, a grounding point is provided on one side of the controller box 8, and the grounding point can be connected with an external grounding wire to protect the safety of the equipment in the controller box 8.

The device integrates and installs the DC/DC power converter 10, the vehicle-mounted charger 9 and the high-voltage distribution unit 13 in the controller box 8, ensures the auxiliary power control of the power supply, simultaneously reduces the overall occupation space and the cost and improves the use effect.

Meanwhile, in the using process, the temperature change inside the main control board is sensed through the thermistor, after the temperature reaches the temperature set by the main control board 11, the main control board 11 controls the miniature liquid pump 15 and the semiconductor refrigerating sheet 161 to work, water in the water cooling coil 12 can start to circularly cool components and parts, in the circulating cooling process, the heat of the water in the water cooling coil 12 can be led out outwards through the controller box 8, the primary heat dissipation of cooling water is completed, then the cooling water can pass through the circulating pipe 162, at the moment, the temperature of the water in the circulating pipe 162 is reduced through the semiconductor refrigerating sheet 161, at the moment, the cooled water can be discharged again, the components and parts are cooled, and the cooling effect of the components and parts is guaranteed.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The three-in-one integrated power auxiliary power controller for the special vehicle comprises a controller box (8), wherein a DC/DC power converter (10), a vehicle-mounted charger (9), a high-voltage power distribution unit (13) and a main control board (11) are fixedly arranged in the controller box (8); the method is characterized in that:

the controller box (8) is provided with a high-voltage input interface (5), the high-voltage input interface (5) is electrically connected with a high-voltage power distribution unit (13), and the high-voltage power distribution unit (13) is electrically connected with the DC/DC power converter (10) and the vehicle-mounted charger (9);

the inner wall of the controller box (8) is provided with a water-cooling coil pipe (12) in a surrounding manner, and a liquid inlet end and a liquid outlet end of the water-cooling coil pipe (12) are communicated with a cooler (16);

the cooler (16) comprises a circulating pipe (162), and a semiconductor refrigerating sheet (161) is arranged on one side of the outer end of the circulating pipe (162).

2. The three-in-one integrated power auxiliary power controller for a special vehicle as claimed in claim 1, wherein: the two ends of the circulating pipe (162) are respectively communicated with the liquid inlet end and the liquid outlet end of the water-cooling coil pipe (12), and the DC/DC power converter (10), the vehicle-mounted charger (9), the high-voltage power distribution unit (13) and the main control board (11) are arranged in a cavity (14) formed in the middle of the water-cooling coil pipe (12).

3. The three-in-one integrated power auxiliary power controller for a special vehicle as claimed in claim 1, wherein: the controller box (8) is integrally made of aluminum alloy materials, a plurality of radiating fins (2) are arranged at the outer ends of two sides of the controller box (8) and the outer end of the circulating pipe (162), and a maintenance cover (1) is fixedly arranged at the upper end of the controller box (8) through screws.

4. The three-in-one integrated power auxiliary power controller for a special vehicle as claimed in claim 1, wherein: the utility model discloses a high-voltage power supply device, including controller box (8), main control board (11), controller box (8), locating plate (3) are welded and fixed at both ends of controller box (8), the outside of controller box (8) is equipped with a plurality of DC sockets (6) with DC/DC power converter (10) electric connection, the below of high-voltage input interface (5) is equipped with the high-voltage output interface with high-voltage distribution unit (13) electric connection, the outside of controller box (8) is fixed and is equipped with a plurality of interfaces (7) that charge with on-vehicle charger (9) electric connection, main control board (11) and the output electric connection of DC/DC power converter (10).

5. The three-in-one integrated power auxiliary power controller for a special vehicle as claimed in claim 1, wherein: the cooling device is characterized in that the two sides of the lower end of the controller box (8) are provided with radiating holes (4), the semiconductor refrigerating sheets (161) are located at the inner sides of the radiating holes (4), the circulating tube (162) is installed at the inner sides of the cooling shell (163), the semiconductor refrigerating sheets (161) are fixedly installed on one side wall of the cooling shell (163), and the miniature liquid pump (15) is installed at the connecting part of the circulating tube (162) and the water cooling coil (12).

6. The three-in-one integrated power auxiliary power controller for a special vehicle as claimed in claim 5, wherein: the DC/DC power supply converter (10), the vehicle-mounted charger (9), the high-voltage power distribution unit (13) and the main control board (11) are located above the cooler (16), a thermistor is arranged on the main control board (11), and the main control board (11) is electrically connected with the miniature liquid pump (15) and the semiconductor refrigerating sheet (161).

7. The three-in-one integrated power auxiliary power controller for a special vehicle as claimed in claim 1, wherein: one side of the controller box (8) is provided with a grounding point.