CN218966725U

CN218966725U - Change electric controller

Info

Publication number: CN218966725U
Application number: CN202223551257.5U
Authority: CN
Inventors: 曹拥华; 李展; 刘英山; 辛宁
Original assignee: Jiangsu Intelligent Electronic Technology Co ltd
Current assignee: Jiangsu Intelligent Electronic Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-05
Anticipated expiration: 2032-12-28

Abstract

The utility model belongs to the technical field of power conversion, and particularly relates to a power conversion controller which comprises a shell, fixing pins and two connecting interfaces, wherein the shell is arranged in a vehicle, the fixing pins are fixedly arranged on four corners of the outer side of the shell, the two connecting interfaces are arranged on the shell, a storage battery and a circuit board are arranged in the shell, and a main control module, a wireless transmission module and a signal acquisition module are arranged on the circuit board; the input end of the storage battery is connected with the vehicle battery pack, the output end of the storage battery is electrically connected with the circuit board through a wire, the main control module is in wireless connection with the power exchange station through the wireless transmission module, and the signal acquisition module is connected with the battery pack control unit and used for detecting the state of the vehicle battery pack. The defect of the prior art is overcome, the battery is arranged in the shell, and when the vehicle is deficient, the battery supplies power for the power conversion controller, so that the power conversion efficiency of the vehicle is ensured.

Description

Change electric controller

Technical Field

The utility model belongs to the technical field of power conversion, and particularly relates to a power conversion controller.

Background

With the development of new energy technology, many new energy power stations directly use the full-charged power-exchanging upper box body to exchange the power-exchanging upper box body of the power-exchanging type pure electric semi-hanging traction vehicle, so as to reduce the charging time of the power-exchanging type pure electric semi-hanging traction vehicle, and the information interaction between the power stations and the power-exchanging type pure electric semi-hanging traction vehicle becomes the key of whether the power-exchanging type pure electric semi-hanging traction vehicle can normally run.

The vehicle-mounted controller is an important part which is arranged on a vehicle and interacts with a power exchange station, and Chinese patent with the patent application number of CN202210781763.9 discloses a vehicle-mounted controller and the vehicle, wherein the vehicle-mounted controller has the power exchange control function and the protocol conversion function by arranging the power exchange control module and the protocol conversion module, so that the problem that the communication protocol of the whole vehicle controller and the battery control unit is not matched in the prior art, and the vehicle cannot work normally after power exchange is carried out is solved, the power exchange application range and the activity radius of the power exchange type pure electric tractor are greatly improved, and the power exchange operation can be carried out at different power exchange stations.

However, the existing power change controller is powered by a vehicle battery pack, and the power change controller is powered off under the condition that the vehicle battery pack is deficient in power, so that the power change of the vehicle is affected.

Disclosure of Invention

The utility model aims to provide a power conversion controller, which overcomes the defects of the prior art, and the power conversion efficiency of a vehicle is ensured by installing a storage battery in a shell and supplying power to the power conversion controller through the storage battery when the vehicle is deficient.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the battery replacement controller comprises a shell arranged in a vehicle, fixing pins fixedly arranged on four corners of the outer side of the shell and two connecting interfaces arranged on the shell, wherein a storage battery and a circuit board are arranged in the shell, and a main control module, a wireless transmission module and a signal acquisition module are arranged on the circuit board;

the input end of the storage battery is connected with the vehicle battery pack, the output end of the storage battery is electrically connected with the circuit board through a wire, the main control module is in wireless connection with the power exchange station through the wireless transmission module, and the signal acquisition module is connected with the battery pack control unit and used for detecting the state of the vehicle battery pack.

Further, the storage battery is connected with a battery monitoring module, and the storage battery is connected through a detection resistor to monitor the residual electricity quantity and the current voltage of the storage battery in real time.

Further, an electric control switch is arranged between the storage battery and the vehicle battery pack.

Further, install a horizontal heat conduction board in the casing, and one side and battery and the circuit board butt of heat conduction board, one side that the circuit board was kept away from to the heat conduction board is connected with the radiator unit, and the radiator unit extends to the outside of casing.

Further, the radiating component comprises a heat conduction boss and a plurality of radiating fins, the heat conduction boss is of a convex structure, the small end of the heat conduction boss is in contact with the heat conduction plate, the large end of the heat conduction boss extends to the outside of the shell, and the radiating fins are linearly fixed on the surface of the large end of the heat conduction boss.

Further, bolts are arranged on four corners of the large end of the heat conduction boss in a penetrating mode, and the bolts are in threaded connection with the shell.

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

according to the power conversion controller, the storage battery is arranged in the shell, and when the vehicle is deficient in power, the storage battery supplies power to the power conversion controller, so that the power conversion efficiency of the vehicle is ensured; the charging start and stop of the storage battery are controlled through the battery monitoring module and the electric control switch, so that the residual electric quantity in the storage battery is kept, and the condition of power shortage of the storage battery is avoided; the heat generated by the storage battery and the circuit board is radiated by the radiating component, so that the working efficiency of the heat exchange controller is maintained.

Drawings

Fig. 1 is a schematic structural diagram of a power conversion controller.

Fig. 2 is a schematic diagram of the internal structure of a casing in the power change controller.

Fig. 3 is a schematic block diagram of electrical control in a power conversion controller.

In the figure: 1. a housing; 2. a fixed foot; 3. a connection interface; 4. a heat radiation fin; 5. a storage battery; 6. a circuit board; 7. a heat conductive plate; 8. and the heat conduction boss.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the power conversion controller of the utility model comprises a shell 1 arranged in a vehicle, fixing pins 2 fixedly arranged on four corners of the outer side of the shell 1, and two connecting interfaces 3 arranged on the shell 1, wherein a storage battery 5 and a circuit board 6 are arranged in the shell 1, and a main control module, a wireless transmission module and a signal acquisition module are arranged on the circuit board 6;

the input end of the storage battery 5 is connected with the vehicle battery pack, the output end of the storage battery 5 is electrically connected with the circuit board 6 through a wire, the main control module is wirelessly connected with the power exchange station through the wireless transmission module, and the signal acquisition module is connected with the battery pack control unit and used for detecting the state of the vehicle battery pack.

In order to maintain the charge of the battery 5; the storage battery 5 is connected with a battery monitoring module, and is connected with the storage battery 5 through a detection resistor to monitor the residual electric quantity and the current voltage of the storage battery 5 in real time; an electric control switch is arranged between the storage battery 5 and the vehicle battery pack.

In order to enhance heat dissipation, a transverse heat conducting plate 7 is arranged in the shell 1, one side of the heat conducting plate 7 is abutted against the storage battery 5 and the circuit board 6, one side of the heat conducting plate 7 away from the circuit board 6 is connected with a heat dissipation component, and the heat dissipation component extends to the outside of the shell 1; the heat radiation component comprises a heat conduction boss 8 and a plurality of heat radiation fins 4, the heat conduction boss 8 is of a convex structure, the small end of the heat conduction boss 8 is in contact with the heat conduction plate 7, the large end of the heat conduction boss extends to the outside of the shell 1, and the heat radiation fins 4 are linearly fixed on the surface of the large end of the heat conduction boss.

In order to fix the heat dissipation assembly, bolts are respectively arranged on four corners of the large end of the heat conduction boss 8 in a penetrating mode, and the bolts are in threaded connection with the shell 1.

In summary, the power-change controller of the utility model monitors the power of the storage battery 5 when in use, when the power is lower than a preset value, the electric control switch is closed to conduct the storage battery 5 and the vehicle battery pack, charge the storage battery 5, and when the voltage reaches a rated value, the electric control switch indicates that the charging is completed, so as to keep the storage battery 5 in a reasonable power interval, and avoid the loss of the storage battery 5 caused by long-time charging or power shortage; under the condition of power deficiency of the vehicle, the storage battery 5 supplies power to the power conversion controller, and after the vehicle enters a power conversion area, the battery pack model information is transmitted to the power conversion station through the wireless transmission module so as to facilitate power conversion, and after the power conversion is completed, the battery pack information which is acquired and replaced is transmitted to the vehicle main control unit.

Heat generated in the charge and discharge process of the storage battery 5 and the working process of the circuit board 6 is led out to the outside of the shell 1 through the heat conducting plate 7, the heat conducting boss 8 and the heat radiating fins 4, so that the lower temperature of the inside of the shell 1 is maintained, the working efficiency of the storage battery 5 and the circuit board 6 is ensured, and the failure rate of the power conversion controller is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a trade electric controller, includes casing (1) of installing in the vehicle inside, sets firmly fixed foot (2) on four angles in casing (1) outside and sets up two connection interface (3) on casing (1), its characterized in that: a storage battery (5) and a circuit board (6) are arranged in the shell (1), and a main control module, a wireless transmission module and a signal acquisition module are arranged on the circuit board (6);

the input end of the storage battery (5) is connected with the vehicle battery pack, the output end of the storage battery is electrically connected with the circuit board (6) through a wire, the main control module is in wireless connection with the power exchange station through the wireless transmission module, and the signal acquisition module is connected with the battery pack control unit and used for detecting the state of the vehicle battery pack.

2. A power conversion controller according to claim 1, characterized in that: the storage battery (5) is connected with a battery monitoring module, the storage battery (5) is connected through a detection resistor, and the residual capacity and the current voltage of the storage battery (5) are monitored in real time.

3. A power conversion controller according to claim 2, characterized in that: an electric control switch is arranged between the storage battery (5) and the vehicle battery pack.

4. A power conversion controller according to claim 1, characterized in that: install a horizontal heat conduction board (7) in casing (1), and one side and battery (5) and circuit board (6) butt of heat conduction board (7), one side that circuit board (6) were kept away from to heat conduction board (7) is connected with the radiator unit, and the radiator unit extends to the outside of casing (1).

5. The power conversion controller according to claim 4, wherein: the heat dissipation assembly comprises a heat conduction boss (8) and a plurality of heat dissipation fins (4), wherein the heat conduction boss (8) is of a convex structure, the small end of the heat conduction boss (8) is in contact with the heat conduction plate (7), the large end of the heat conduction boss extends to the outside of the shell (1), and the heat dissipation fins (4) are linearly fixed on the surface of the large end of the heat conduction boss (8).

6. The power conversion controller according to claim 5, wherein: bolts are respectively arranged on four corners of the large end of the heat conduction boss (8) in a penetrating mode, and the bolts are in threaded connection with the shell (1).