CN219247711U

CN219247711U - Voltage conversion module of whole controller of new energy commercial vehicle

Info

Publication number: CN219247711U
Application number: CN202223493789.8U
Authority: CN
Inventors: 汤勇; 吴宜燦
Original assignee: Getec Vehicle Technology Suzhou Co ltd
Current assignee: Getec Vehicle Technology Suzhou Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-23
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a voltage conversion module of a whole vehicle controller of a new energy commercial vehicle, which comprises a voltage reduction module, a voltage division module and a voltage boosting module, wherein the voltage reduction module is provided with a +/-24V voltage input end and a +/-12V voltage output end; the boosting module is provided with two 12V voltage PWM wave input ends and two 24V voltage PWM wave output ends; the voltage dividing module is provided with a 24V wake-up signal input end connected with the 24V voltage whole vehicle interface and a 12V wake-up signal output end connected with the 12V voltage whole vehicle controller interface. The utility model can enable the same whole vehicle controller to be automatically matched with vehicles with different voltage platforms, and can be applied to a plurality of different projects under the condition of not influencing core control logic; meanwhile, the original layout and the electrical wiring of the original control are not required to be additionally modified, so that the deformation development period and cost of the whole vehicle controller are reduced; and hardware and software can be multiplexed to the greatest extent, so that the project development process is simpler.

Description

Voltage conversion module of whole controller of new energy commercial vehicle

Technical Field

The utility model relates to the technical field of new energy commercial vehicle chassis control, in particular to a voltage conversion module of a whole vehicle controller of a new energy commercial vehicle.

Background

The whole vehicle controller is used as a core controller of a pure electric and hybrid power commercial vehicle and is used for controlling and coordinating the energy distribution of the whole vehicle, and is widely applied to various vehicles.

However, due to different projects, the whole vehicle voltage platforms of the new energy commercial vehicles are also different, some vehicle types use 12V voltage platforms, and some vehicle types use 24V voltage platforms, so that the whole vehicle controller originally applicable to the 12V voltage platforms cannot be used on vehicles applying the 24V voltage platforms. In this case, the PCB board is usually redesigned according to different voltage platforms or another vehicle controller is used; however, the functions of the whole vehicle controllers are the same in practice, and if resources are spent for redesigning or selecting other whole vehicle controllers, resources and time are wasted.

Disclosure of Invention

Therefore, in order to solve the problems, the utility model provides a voltage conversion module of a whole vehicle controller of a new energy commercial vehicle, which is used for solving the technical problem that a whole vehicle controller of a 12V voltage platform can be used on a vehicle model of a 24V platform, realizing reusability of the whole vehicle controller in multiple items, reducing cost and improving reliability.

The utility model is realized by the following technical scheme:

the voltage conversion module comprises a voltage reduction module, a voltage division module and a voltage boosting module, wherein the voltage reduction module is provided with a +/-24V voltage input end connected with a 24V voltage whole vehicle interface and a +/-12V voltage output end connected with a 12V voltage whole vehicle controller interface; the boosting module is provided with two 12V voltage PWM wave input ends connected with the interface of the 12V voltage whole vehicle controller and two 24V voltage PWM wave output ends connected with the interface of the 24V voltage whole vehicle end; the voltage dividing module is provided with a 24V wake-up signal input end connected with the 24V voltage whole vehicle interface and a 12V wake-up signal output end connected with the 12V voltage whole vehicle controller interface.

Preferably, the device further comprises a reverse enabling signal input end connected with the enabling port of the step-down module, and a reverse enabling signal unidirectional diode is arranged on the connecting line and used for preventing voltage from being reversely input to a reverse enabling signal end of the interface of the 12V voltage whole vehicle controller end.

Preferably, the device further comprises a 24V wake-up signal enabling unidirectional diode connected to a connecting line between the 24V wake-up signal input end of the voltage dividing module and the enabling port of the voltage reducing module, and the 24V wake-up signal enabling unidirectional diode is used for preventing voltage from being reversely input to the 24V wake-up signal end of the 24V voltage whole-vehicle end interface.

Preferably, the low-side drive 1 … n between the 12V voltage whole vehicle controller end interface and the 24V voltage whole vehicle end interface is connected in one-to-one correspondence with the CAN channels.

The technical scheme of the utility model has the beneficial effects that: the utility model can enable the same whole vehicle controller to be automatically matched with vehicles with different voltage platforms, and can be applied to a plurality of different projects under the condition of not influencing core control logic; meanwhile, the original layout and the electrical wiring of the original control are not required to be additionally modified, so that the deformation development period and cost of the whole vehicle controller are reduced; and hardware and software can be multiplexed to the greatest extent, so that the project development process is simpler.

Drawings

FIG. 1 is a schematic access diagram of a voltage conversion module of a whole controller of a new energy commercial vehicle;

fig. 2 is a schematic diagram of an internal circuit of the voltage conversion module of the whole vehicle controller of the new energy commercial vehicle.

Detailed Description

So that the objects, advantages and features of the present utility model can be more clearly and specifically set forth, a more particular description of the preferred embodiments will be rendered by the following non-limiting description thereof. The embodiment is only a typical example of the technical scheme of the utility model, and all technical schemes formed by adopting equivalent substitution or equivalent transformation fall within the scope of the utility model.

As shown in fig. 1, on a 24V platform vehicle, a 12V voltage vehicle controller interface 1 is connected and matched with a 24V voltage vehicle end interface 3 through a voltage conversion module 2 of the utility model, so that the three can be electrically connected. The 24V+/24V-/24V wake-up signal/24V PWM1/24V PWM2/low side drive 1 … n/CAN channel on the 24V voltage whole vehicle interface 3 is in one-to-one correspondence with the signal interface on the 12V voltage whole vehicle controller interface 1, and the reverse enabling signal interface output by the 12V voltage whole vehicle controller interface 1 is only connected into the voltage conversion module 2.

Specifically referring to fig. 2, the voltage conversion module of the whole vehicle controller of the new energy commercial vehicle comprises a voltage reduction module 5, a voltage division module 6 and a voltage boosting module 7, wherein the voltage reduction module 5 is provided with a +/-24V voltage input end connected with a 24V voltage whole vehicle interface and a +/-12V voltage output end connected with a 12V voltage whole vehicle controller interface; the boosting module 7 is provided with two 12V voltage PWM wave input ends connected with the interface of the 12V voltage whole vehicle controller and two 24V voltage PWM wave output ends connected with the interface of the 24V voltage whole vehicle end; the voltage dividing module 6 is provided with a 24V wake-up signal input end connected with a 24V voltage whole vehicle interface and a 12V wake-up signal output end connected with a 12V voltage whole vehicle controller interface.

The voltage conversion module further comprises a reverse enabling signal input end which is connected with the enabling port of the voltage reduction module, and a reverse enabling signal unidirectional diode 8 is arranged on the connecting line and used for preventing voltage from being reversely input to a reverse enabling signal end of the interface 1 of the 12V voltage whole vehicle controller. Preferably, the device further comprises a 24V wake-up signal enabling unidirectional diode 9 connected to a connection line between the 24V wake-up signal input end of the voltage dividing module and the enabling port of the voltage reducing module, for preventing voltage from being reversely input to the 24V wake-up signal end of the 24V voltage whole vehicle end interface 3.

Inside the voltage conversion module 4, the voltage reduction module 5 is responsible for reducing the 24V voltage of the 24V voltage whole vehicle end interface 3 to 12V for the 12V voltage whole vehicle controller end interface 1 to use.

The voltage division module 6 is responsible for converting the 24V wake-up signal voltage of the 24V voltage vehicle-end interface 3 into a 12V wake-up signal for the 12V voltage vehicle-end controller-end interface 1 to use.

The boosting module 7 is responsible for converting the voltage of the 12V PWM signal of the interface 1 of the 12V voltage whole vehicle controller into the 24V PWM signal so as to supply the 24V voltage whole vehicle interface 3 for use.

The specific voltage conversion process is explained as follows:

when the whole vehicle enters a power-on state from a power-off state, the 24V wake-up signal voltage of the 24V voltage whole vehicle end interface 3 becomes high level, and the 24V wake-up high level signal is transmitted to an enabling port of the voltage reducing module 5 in a sleep state at present through the enabling unidirectional diode 9 by the 24V wake-up signal so as to activate the voltage reducing module 5, so that the voltage reducing module 5 is waken from the sleep state to a working state; the step-down module 5 works to convert 24V voltage into 12V voltage to supply to the interface 1 of the 12V voltage whole vehicle controller.

Meanwhile, the 24V wake-up high level signal forms a 12V wake-up signal through the voltage dividing module 6, and the 12V wake-up signal at the interface 1 of the 12V voltage vehicle controller also becomes a high level, so that the vehicle controller starts to work normally, and immediately outputs a high level of a reverse enabling signal, and the reverse enabling high level signal is transmitted to an enabling port of the voltage reducing module 5 in a working state through the reverse enabling signal unidirectional diode 8.

When the whole vehicle enters a power-down state from a power-up state, the 24V wake-up signal voltage of the 24V voltage whole vehicle end interface 3 is changed into a low level, so that the 12V wake-up signal of the 12V voltage whole vehicle controller end interface 1 is also changed into a low level, and the whole vehicle controller enters a power-down delay flow, but the reverse enable signal of the 12V voltage whole vehicle controller end interface 1 is still at a high level at the moment, and the reverse enable high level signal is transmitted to the enable port of the step-down module 5 in a working state through the reverse enable signal unidirectional diode 8, so that the step-down module 5 is continuously in the working state.

When the whole vehicle controller finishes the power-down time delay flow, the reverse enabling signal of the interface 1 of the 12V voltage whole vehicle controller becomes low level, so that the enabling interface of the voltage reduction module 5 also becomes low level, the voltage reduction module 5 enters a dormant state from a working state, and the voltage conversion module stops working.

The utility model has various embodiments, and all technical schemes formed by equivalent transformation or equivalent transformation fall within the protection scope of the utility model.

Claims

1. The utility model provides a new forms of energy commercial car whole car controller voltage conversion module which characterized in that: the system comprises a voltage reduction module, a voltage division module and a voltage boosting module, wherein the voltage reduction module is provided with a +/-24V voltage input end connected with a 24V voltage whole vehicle interface and a +/-12V voltage output end connected with a 12V voltage whole vehicle controller interface; the boosting module is provided with two 12V voltage PWM wave input ends connected with the interface of the 12V voltage whole vehicle controller and two 24V voltage PWM wave output ends connected with the interface of the 24V voltage whole vehicle end; the voltage dividing module is provided with a 24V wake-up signal input end connected with the 24V voltage whole vehicle interface and a 12V wake-up signal output end connected with the 12V voltage whole vehicle controller interface.

2. The voltage conversion module of the whole vehicle controller of the new energy commercial vehicle according to claim 1, wherein the voltage conversion module is characterized in that: the voltage reducing module is characterized by further comprising a reverse enabling signal input end which is connected with an enabling port of the voltage reducing module, and a reverse enabling signal unidirectional diode is arranged on a connected line and used for preventing voltage from being reversely input to a reverse enabling signal end of a 12V voltage vehicle controller end interface.

3. The voltage conversion module of the whole vehicle controller of the new energy commercial vehicle according to claim 2, wherein the voltage conversion module is characterized in that: the voltage divider is characterized by further comprising a 24V wake-up signal enabling unidirectional diode which is connected to a connecting line between the 24V wake-up signal input end of the voltage dividing module and an enabling port of the voltage reducing module and used for preventing voltage from being reversely input to a 24V wake-up signal end of a 24V voltage whole vehicle end interface.

4. The voltage conversion module of the whole vehicle controller of the new energy commercial vehicle according to claim 1, wherein the voltage conversion module is characterized in that: and the low-side drive 1 … n between the 12V voltage whole vehicle controller end interface and the 24V voltage whole vehicle end interface is in one-to-one correspondence with the CAN channels.