CN104022548A - Movable charging vehicle - Google Patents

Abstract

A mobile charging vehicle, a mobile charging vehicle, including a carriage and a low-voltage power supply battery pack arranged in the compartment, a low-voltage power supply management module, a first charging system, and a second charging system; the first charging system includes a first mobile charging vehicle The BMS module, the first mobile charging vehicle battery pack, the first DC/DC charger management module, the first DC/DC charger and the first human-computer interaction module; the second charging system includes the second mobile charging vehicle BMS module, the first The battery pack of the second mobile charging vehicle, the second DC/DC charger management module, the second DC/DC charger and the second human-computer interaction module; The first electric vehicle is charged; the battery pack of the second mobile charging vehicle is used to charge the second electric vehicle through the second DC/DC charger. The battery pack of the first mobile charging vehicle and the battery pack of the second mobile charging vehicle can simultaneously charge the first electric vehicle or the second electric vehicle through corresponding DC/DC chargers.

Description

Mobile charging car

technical field

The invention relates to the field of vehicles, and more specifically relates to a mobile charging vehicle for charging electric vehicles anytime and anywhere.

Background technique

At present, the energy of traditional fuel vehicles mainly depends on oil, and the shortage of oil and the serious environmental pollution caused by the tail gas emitted by fuel vehicles have made it more and more urgent for human beings to research new green vehicles. As a green transportation tool, electric vehicles not only have remarkable energy-saving effects, but also greatly improve the comprehensive utilization rate of energy, zero exhaust emissions, and obvious environmental benefits. With the continuous improvement of the rechargeable battery manufacturing process, electric vehicles will have the strength to compete with traditional fuel vehicles in the not-too-distant future. Household or bus electric vehicles have brought great convenience to people. At the same time, a prominent problem has arisen. Electric vehicles often fail to continue because they do not reach the charging station and the power stored in the power battery is exhausted. drive. At present, the number of charging stations is small and built in relatively remote locations. Drivers usually need to drive a long distance to reach the charging station, wasting electricity. And if the electric energy has been exhausted before arriving at the charging station, it is generally costly and inconvenient to ask a tow truck to tow the electric vehicle to the charging station, and the towing process may also cause damage to the electric vehicle. Charging stations are generally built in remote places. Buses go to the charging station for charging, which wastes energy. The charging station is not perfect, which limits the popularity of new energy buses. If a large number of charging stations are built, it will waste land and increase Construction cost; In addition, the time of charging at the charging station cannot be selected. If charging is encountered during the peak power consumption during the day, the cost of electricity price will be higher.

Contents of the invention

In order to solve the above technical problems, the object of the present invention is to provide a mobile charging vehicle that does not need to increase the number of charging stations to provide timely, cost-effective, flexible and convenient power supply for electric vehicles that are exhausted.

In order to solve the above-mentioned technical problems, the present invention provides a mobile charging vehicle, including a carriage, a low-voltage power supply battery pack installed in the carriage, a low-voltage power supply management module, a first charging system and a second charging system; it is characterized in that:

The first charging system includes a first mobile charging vehicle BMS module, a first mobile charging vehicle battery pack, a first DC/DC charger management module, a first DC/DC charger and a first human-computer interaction module;

The second charging system includes a second mobile charging vehicle BMS module, a second mobile charging vehicle battery pack, a second DC/DC charger management module, a second DC/DC charger, and a second human-computer interaction module;

The low-voltage power supply battery pack provides corresponding voltages, and through the low-voltage power management module, the BMS module of the first mobile charging vehicle, the first DC/DC charger management module, the first human-computer interaction module, and the second mobile charging module are charged. The vehicle BMS module, the second DC/DC charger management module, and the second human-computer interaction module provide working voltage, and at the same time use the first mobile charging car battery pack and the second mobile charging car battery pack to supply low-voltage power through the low-voltage power management module Charge the battery pack to maintain power;

The battery pack of the first mobile charging vehicle is used to charge the first electric vehicle through the first DC/DC charger, or charge the first electric vehicle or the second electric vehicle simultaneously with the battery pack of the second mobile charging vehicle; The BMS module of the first mobile charging vehicle is used to detect the state data of the battery set of the first mobile charging vehicle in real time, manage the battery set and transmit the state data to the first mobile charging vehicle when the battery set of the first mobile charging vehicle is charging the electric vehicle. A human-computer interaction module;

The battery pack of the second mobile charging vehicle is used to charge the second electric vehicle through the second DC/DC charger, or charge the first electric vehicle or the second electric vehicle simultaneously with the battery pack of the first mobile charging vehicle; The BMS module of the second mobile charging vehicle is used to detect the status data of the second mobile charging vehicle battery pack in real time, manage the battery pack and transmit the status data to the second electric vehicle when the second mobile charging vehicle battery pack is charging the second electric vehicle. to the second human-computer interaction module.

The beneficial effects of the present invention are: the first charging system can charge the first electric vehicle and the second electric vehicle respectively through the battery pack of the first mobile charging vehicle and the battery pack of the second mobile charging vehicle of the second charging system at the same time, that is, The mobile charging car is equivalent to a movable charging station, which can improve the charging efficiency of electric vehicles and can solve the problems in the prior art that the number of charging stations is small, the location is remote, and the charging of electric vehicles encounters peak power consumption during the day, which causes the cost to increase. In addition, the first charging system and the second charging system can simultaneously charge an electric vehicle such as the first electric vehicle or the second electric vehicle, which greatly shortens the charging time. It can also be used as a maintenance vehicle, driving to the scene of an accident to repair an electric vehicle that has broken down due to power loss.

Description of drawings

Fig. 1 is a schematic front view of a mobile charging vehicle provided by the present invention.

Fig. 2 is a schematic block diagram of the mobile charging vehicle shown in Fig. 1 .

Detailed ways

Please refer to FIG. 1 and FIG. 2 , a mobile charging vehicle 100 provided by the present invention is used to charge one or two electric vehicles at the same time. In this embodiment, the electric vehicle can be, for example, an electric bus and/or an electric car. As shown in FIG. 300 for charging. The mobile charging vehicle 100 includes a carriage 10 , a low-voltage power supply battery pack 20 , a low-voltage power supply management module 30 , a first charging system 40 and a second charging system 50 disposed in the carriage 10 .

Specifically, the first charging system 40 includes a first mobile charging vehicle BMS (battery management system, battery management system) module 41, a first DC/DC charger management module 42 connected to the first mobile charging vehicle BMS module 41 and The first mobile charging vehicle battery pack 43, the first DC/DC charger 44 connected to the first DC/DC charger management module 42, and the first human-computer interaction module connected to the first DC/DC charger management module 42 45. The first DC/DC charger 44 is also connected to the battery pack 43 of the first mobile charging vehicle.

The second charging system 50 includes a second DC/DC charger management module 52 connected to the second mobile charging vehicle BMS module 51 connected to the second mobile charging vehicle BMS module 51, a second mobile charging vehicle battery pack 53, and a second mobile charging vehicle battery pack 53. A second DC/DC charger 54 connected to the DC/DC charger management module 52 , and a second human-computer interaction module 55 connected to the second DC/DC charger management module 52 . The second DC/DC charger 54 is also connected to the battery pack 53 of the second mobile charging vehicle.

The low-voltage power supply battery pack 20 is connected to the low-voltage power supply management module 30 , and the low-voltage power supply management module 30 is connected to the first charging system 40 and the second charging system 50 at the same time. As shown in FIG. 2 , the low-voltage power supply management module 30 is specifically connected to the first DC/DC charger management module 44 and the second DC/DC charger management module 54 . The low-voltage power supply battery pack 20 provides a corresponding voltage, such as 24 volts of DC voltage, through the low-voltage power management module 30 for the first mobile charging vehicle BMS module 41, the first DC/DC charger management module 42, the second Operating voltages of a human-computer interaction module 45 , a second mobile charging vehicle BMS module 51 , a second DC/DC charger management module 52 and a second human-computer interaction module 55 . That is, the first mobile charging vehicle BMS module 41, the first DC/DC charger management module 42, the first human-computer interaction module 45, the second mobile charging vehicle BMS module 51, and the second DC/DC charger management module 52 , The second human-computer interaction module 55 works under the working voltage provided by the low-voltage power supply battery pack 20 and the low-voltage power supply management module 30 .

In this embodiment, the first charging system 40 is charged through the first charging pile 400 fixed on the ground, wherein the first charging pile 400 does not belong to the mobile charging vehicle 100, which is usually installed in the charging station. , the first charging pile 400 has a first AC/DC charger 401 for converting the AC power in the grid into DC power and storing the DC power in the battery pack 43 of the first mobile charging vehicle. The BMS module 41 of the first mobile charging vehicle is used for real-time when the first AC/DC charger 401 converts the AC power in the grid into DC power and stores it in the battery pack 43 of the first mobile charging vehicle. Detect the cell voltage of the first mobile charging vehicle battery pack 43, the total voltage of the battery pack, the working current of the battery pack, the temperature of several points of the battery pack, the leakage status of the battery pack, the charged capacity of the battery pack, and the health status data of the battery pack , manage the first AC/DC charger 42, and transmit the state data to the first human-computer interaction module 45.

The first mobile charging vehicle battery pack 43 is used to charge the first electric vehicle battery pack 202 of the first electric vehicle 200 through the first DC/DC charger 44 . The first mobile charging vehicle BMS module 41 is also used to detect the voltage, current and temperature of the first mobile charging vehicle battery pack 43 in real time when the first mobile charging vehicle battery pack 43 is charging the first electric vehicle 200 State data, manage the work of the battery pack, and transmit the state data to the first human-computer interaction module 45 . The first electric vehicle 200 also includes a first electric vehicle BMS module 201 for real-time detection of state data such as voltage, current and temperature of the first electric vehicle battery pack 202, and management of the first DC/DC charger 44, And transmit the status data to the first human-computer interaction module 45.

The first DC/DC charger management module 42 is the central control system of the first charging system 40, which has communication, input and output I/O interfaces, and is used to implement the electric vehicle 200, the first human-computer interaction module 45, the second The communication between the battery pack 43 of a mobile charging vehicle and the first DC/DC charger 44 completes the data processing and charging control of the first electric vehicle 200 and the first DC/DC charger 44 .

The first manual interaction module 45 includes an information display device and a manually controlled input device, such as an LCD and a keyboard or a touch screen, for real-time display of the first mobile charging car battery pack 43, the first electric car 200 and the first DC/DC charger 44 charging, alarming, input information and status data of the battery pack, such as displaying the status number transmitted from the first mobile charging vehicle BMS module 51 to the first manual interaction module, and setting the first DC/DC charging Machine 44 operating parameters.

In this embodiment, the second charging system 50 is charged through the second charging pile 500 fixed on the ground, wherein the second charging pile 500 does not belong to the mobile charging vehicle 100, which is usually set in the charging station, The second charging pile 400 has a second AC/DC charger 501 for converting the AC power in the grid into DC power and storing the DC power in the battery pack 53 of the second mobile charging vehicle. The second mobile charging vehicle BMS module 51 is used for real-time when the second AC/DC charger 501 converts the AC power in the grid into DC power and stores it in the battery pack 53 of the second mobile charging vehicle. Detect the battery cell voltage of the battery pack 53 of the second mobile charging vehicle, the total voltage of the battery pack, the operating current of the battery pack, the temperature of several points of the battery pack, the leakage state of the battery pack, the charging capacity of the battery pack, and the health status data of the battery pack, etc. Data, manage the second AC/DC charger 52, and transmit the state data to the second human-computer interaction module 55.

The second mobile charging vehicle battery pack 53 is used to charge the second electric vehicle battery pack 302 of the second electric vehicle 200 through the second DC/DC charger 54 . The second mobile charging vehicle BMS module 51 is also used to detect the voltage, current and temperature of the second mobile charging vehicle battery pack 53 in real time when the second mobile charging vehicle battery pack 53 is charging the second electric vehicle 300 State data, manage the work of the management battery pack, and transmit the state data to the second human-computer interaction module 55 . The second electric vehicle 300 also includes a second electric vehicle BMS module 301 for real-time detection of state data such as voltage, current and temperature of the second electric vehicle battery pack 302, and management of the first DC/DC charger 54, And transmit the status data to the first human-computer interaction module 55.

The second DC/DC charger management module 52 is the central control system of the second charging system 50, which has communication, input and output I/O interfaces, and is used to implement the electric vehicle 300, the second human-computer interaction module 55, the second The communication between the battery pack 53 of the second mobile charging vehicle and the second DC/DC charger 54 completes the data processing and charging control of the second electric vehicle 300 and the second DC/DC charger 54 .

The second manual interaction module 55 includes an information display device and a manually controlled input device, such as an LCD and a keyboard or a touch screen, for real-time display of the second mobile charging car battery pack 53, the second electric car 300 and the second DC/DC charger 54 charging, alarming, input information and state data of the battery pack, for example, displaying the state number transmitted from the second mobile charging vehicle BMS module 51 to the second manual interaction module, and setting the second DC/DC charging Machine 54 operating parameters.

The first charging system 40 of the mobile charging vehicle 100 of the present invention can supply the first electric vehicle 200 and the second electric vehicle 200 and the second electric vehicle respectively through the first mobile charging vehicle battery pack 43 and the second mobile charging vehicle battery pack 53 of the second charging system 50 at the same time. Car 300 is charged, that is, the mobile charging car 100 is equivalent to a movable charging station, which can improve the charging efficiency of electric vehicles, and can solve the problem that the number of charging stations in the prior art is small, the location is remote, and the peak power consumption during the daytime is encountered when charging electric vehicles. cause problems such as cost increases. In other implementations, the first charging system 40 and the second charging system 50 can charge an electric vehicle such as the first electric vehicle 200 or the second electric vehicle 300 at the same time, which greatly shortens the charging time.

As shown in FIG. 1 , in this embodiment, two cabinets 11 and two brackets 12 adjacent to the cabinets 11 and farther away from the cab are provided in the compartment 10 at one end close to the cab. The low-voltage power supply battery pack, the low-voltage power supply management module, the first mobile charging car BMS module, the first mobile charging car battery pack, the second mobile charging car BMS module and the second mobile charging car battery pack are all arranged on the bracket ; The first DC/DC charger management module, the first DC/DC charger, the second DC/DC charger management module, and the second DC/DC charger are all set in the cabinet; the first The human-computer interaction module and the second human-computer interaction module are arranged on the side of the vehicle body for easy operation. The above-mentioned first mobile charging vehicle battery pack 43, the first electric vehicle battery pack 202, the second mobile charging vehicle battery pack 53 and the second electric vehicle battery pack 302 can be lithium iron phosphate batteries, manganic acid Secondary batteries such as lithium batteries or lead-acid batteries.

The above is only the embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (10)

1. a movable charging vehicle, comprises railway carriage and is arranged at low-voltage power supply battery pack, low-voltage power supply administration module, the first charging system and the second charging system in compartment; It is characterized in that:

Described the first charging system comprises the first movable charging vehicle BMS module, the first movable charging vehicle battery pack, a DC/DC charger administration module, a DC/DC charger and the first human-computer interaction module;

Described the second charging system comprises the second movable charging vehicle BMS module, the second movable charging vehicle battery pack, the 2nd DC/DC charger administration module, the 2nd DC/DC charger and the second human-computer interaction module;

Described low-voltage power supply battery pack provides corresponding voltage, provide operating voltage by described low tension administration module for described the first movable charging vehicle BMS module, a DC/DC charger administration module, the first human-computer interaction module, the second movable charging vehicle BMS module, the 2nd DC/DC charger administration module and the second human-computer interaction module, pass through low tension administration module the first movable charging vehicle battery pack and the second movable charging vehicle battery pack to low-voltage power supply batteries charging simultaneously, keep electric weight;

Described the first movable charging vehicle battery pack is used for charging to the first electric motor car by a described DC/DC charger, or the first electric motor car or the second electric motor car is charged with the second movable charging vehicle battery pack simultaneously; Described the first movable charging vehicle BMS module, in the time that described the first movable charging vehicle battery pack is charged to electric motor car, detects in real time status data, the administration battery pack of the first movable charging vehicle battery pack and status data is reached to the first human-computer interaction module;

Described the second movable charging vehicle battery pack is used for charging to the second electric motor car by described the 2nd DC/DC charger, or the first electric motor car or the second electric motor car is charged with the first movable charging vehicle battery pack simultaneously; Described the second movable charging vehicle BMS module, in the time that described the second movable charging vehicle battery pack is charged to the second electric motor car, detects in real time status data, the administration battery pack of the second movable charging vehicle battery pack and status data is reached to the second human-computer interaction module.

2. movable charging vehicle as claimed in claim 1, is characterized in that: the electric energy of described the first movable charging vehicle battery pack supplements by the first charging pile, and described first fills stake comprises an AC/DC charger; The electric energy of described the second movable charging vehicle battery pack supplements by the second charging pile, and described second fills stake comprises the 2nd AC/DC charger.

3. movable charging vehicle as claimed in claim 2, is characterized in that: described status data comprises battery cell voltage, battery pack stagnation pressure, battery pack operating current and battery pack, and several give directions some temperature, battery pack electric leakage state, battery pack carried charge and battery pack state of health data.

4. movable charging vehicle as claimed in claim 2, it is characterized in that: a described DC/DC charger administration module is the central control system of the first charging system, there is communication, input and output I/O interface, for realizing communicating by letter of electric motor car, the first human-computer interaction module, the first movable charging vehicle battery pack and a DC/DC charger, the data processing that completes electric motor car and a DC/DC charger is controlled with charging.

5. movable charging vehicle as claimed in claim 4, it is characterized in that: described the first man-machine interactively module, comprise device for display of message and the input equipment of manually controlling, for showing in real time the status data of the first movable charging vehicle battery pack, electric motor car and a DC/DC charger charging, warning, input message and battery pack, set the running parameter of a DC/DC charger.

6. movable charging vehicle as claimed in claim 5, it is characterized in that: described the 2nd DC/DC charger administration module is the central control system of the second charging system, there is communication, input and output I/O interface, for realizing communicating by letter of electric motor car, the second human-computer interaction module, the second movable charging vehicle battery pack and the 2nd DC/DC charger, the data processing that completes electric motor car and the 2nd DC/DC charger is controlled with charging.

7. movable charging vehicle as claimed in claim 6, it is characterized in that: described the second man-machine interactively module, comprise device for display of message and the input equipment of manually controlling, for showing in real time the status data of the second movable charging vehicle battery pack, electric motor car and the 2nd DC/DC charger charging, warning, input message and battery pack, set the running parameter of the 2nd DC/DC charger.

8. movable charging vehicle as claimed in claim 2, is characterized in that: in described compartment, be provided with two cabinets and two supports; Described low-voltage power supply battery pack, low-voltage power supply administration module, the first movable charging vehicle BMS module, the first movable charging vehicle battery pack, the second movable charging vehicle BMS module and the second movable charging vehicle battery pack are all arranged on described support; A described DC/DC charger administration module, a DC/DC charger and described the 2nd DC/DC charger administration module, the 2nd DC/DC charger are all arranged in described cabinet; The first human-computer interaction module, the second human-computer interaction module are arranged at car body side convenient operation place.

9. movable charging vehicle as claimed in claim 2, is characterized in that: described the first movable charging vehicle battery pack, described the first battery of electric vehicle group, described the second movable charging vehicle battery pack and described the second battery of electric vehicle group are ferric phosphate lithium ion battery, lithium manganate battery or lead acid accumulator secondary cell.

10. movable charging vehicle as claimed in claim 1, is characterized in that: described the first charging system and described the second charging system can charge to described the first electric motor car or the second electric motor car simultaneously.