阅读说明：本技术 一种支持多电源输入和输出的应急救援便携式充电机 (Emergency rescue portable charger supporting multi-power input and output ) 是由 李开寒 郝义国 何宇 于 2019-08-09 设计创作，主要内容包括：本发明提供一种支持多电源输入与输出的应急救援便携式充电机,包括输入模块、电源模块、配电模块、控制器模块、散热模块、输出模块、HMI触摸屏。所述输入模块用于接入外接电源；所述电源模块具体分为：AC/DC低压模块、DC/DC低压模块、DC/DC高压模块、AC/DC高压模块；所述配电模块用于充电机的高低压配电；所述控制器模块为整个充电机的主控单元；所述散热模块由配电模块供电、由控制器模块进行驱动来给各电源模块散热；所述输出模块用于输出来自电源模块的高压直流电和低压直流电；所述HMI触摸屏是人机交互设备。本发明的有益效果：本发明支持多种电源的输入与输出,适用于多种平台的储能系统供电。(The invention provides an emergency rescue portable charger supporting multi-power input and output, which comprises an input module, a power distribution module, a controller module, a heat dissipation module, an output module and an HMI touch screen. The input module is used for accessing an external power supply; the power module is specifically divided into: the system comprises an AC/DC low-voltage module, a DC/DC high-voltage module and an AC/DC high-voltage module; the power distribution module is used for high-low voltage power distribution of a charger; the controller module is a main control unit of the whole charger; the heat dissipation module is powered by the power distribution module and driven by the controller module to dissipate heat of each power supply module; the output module is used for outputting high-voltage direct current and low-voltage direct current from the power supply module; the HMI touch screen is a human-computer interaction device. The invention has the beneficial effects that: the invention supports the input and output of various power supplies and is suitable for the power supply of energy storage systems of various platforms.)

1. An emergency rescue portable charger supporting multi-power input and output is characterized by comprising an input module, a power distribution module, a controller module, a heat dissipation module, an output module and an HMI touch screen; the input module is used for accessing an external power supply; the power module is specifically divided into: the system comprises an AC/DC low-voltage module, a DC/DC high-voltage module and an AC/DC high-voltage module; the power distribution module is used for high-low voltage power distribution of a charger; the controller module is a main control unit of the whole charger; the heat dissipation module is powered by the power distribution module and driven by the controller module to dissipate heat of each power supply module; the output module is used for outputting high-voltage direct current and low-voltage direct current from the power supply module; the HMI touch screen is a human-computer interaction device used for limiting the output of high-low voltage direct current or controlling the device not to be overcharged through the communication with the controller module.

2. The portable emergency rescue charger according to claim 1, wherein the external power supply has three different charging interfaces for connecting to a commercial power, a dc charging pile and an ac charging pile.

3. The portable emergency rescue charger supporting multiple power supply inputs and outputs according to claim 2, wherein the AC/DC low voltage module is a high voltage AC to low voltage DC converter for converting high voltage AC power provided by the utility power and the AC charging post into low voltage DC power of 13V; the DC/DC low-voltage module is a high-voltage DC-to-low-voltage DC converter and is used for converting high-voltage DC power provided by the DC charging pile into low-voltage DC power of 13V; the DC/DC high-voltage module is a high-voltage direct-current to higher-voltage direct-current converter and is used for converting high-voltage direct current provided by the direct-current charging pile into high-voltage direct current with the voltage range of 30-750V; the AC/DC high-voltage module is a high-voltage AC-to-high-voltage DC converter and is used for converting high-voltage AC power provided by commercial power and an AC charging pile into high-voltage DC power with the voltage range of 30-750V.

4. The portable emergency rescue charger supporting multiple power supply inputs and outputs according to claim 1, wherein the power distribution module comprises a relay, a fuse, a voltage sensor, a hall sensor and a temperature sensor; the relay and the fuse are used for controlling the on-off of high and low voltage electricity; the voltage sensor is used for acquiring voltage signals; the Hall sensor is used for collecting current signals; the temperature sensor is used for acquiring a temperature signal; when the voltage, current and temperature signals are abnormal, the controller module controls the high-low voltage to be disconnected or drives the heat dissipation module to work through the distributor module.

5. The portable emergency rescue charger supporting multiple power inputs and outputs according to claim 1, wherein the controller module communicates with each power module through a CAN line, communicates with the HMI touch screen through RS-485, and drives the heat dissipation module through PWM signals.

6. The portable emergency rescue charger supporting multiple power supply inputs and outputs according to claim 1, wherein the output module is used for outputting low-voltage direct current and high-voltage direct current of the power supply module, namely 13V low-voltage direct current and high-voltage direct current with a voltage range of 30-750V.

Technical Field

The invention belongs to the technical field of portable charging equipment, and particularly relates to an emergency rescue portable charger supporting multi-power input and output.

background

With the deterioration of the environment and the increasing environmental awareness of people, the development of new energy automobiles is accelerated rapidly. The development of hybrid power and hydrogen fuel cell passenger vehicles is particularly prominent, and power batteries, super capacitors and lead-acid batteries are used as important components of the two vehicle types, and the batteries have the following characteristics: 1. the capacity of the matched power battery and the super capacitor is small; 2. the self-discharge rate of the matched power battery and the super capacitor is high; 3. the designed vehicle model is not provided with an alternating current and direct current charging interface due to the requirements of cost and performance.

Based on the characteristics, the main problems of the current new energy automobile are as follows: when the whole vehicle is placed for a long time, the condition that the vehicle cannot be started due to power battery faults and serious lead-acid battery feed can occur.

Disclosure of Invention

In view of this, the invention provides an emergency rescue portable charger supporting multiple power supply inputs and outputs.

The invention adopts a technical scheme that: an emergency rescue portable charger supporting multiple power supply inputs and outputs comprises: the system comprises an input module, a power supply module, a power distribution module, a controller module, a heat dissipation module, an output module and an HMI touch screen; the input module is used for accessing an external power supply; the power module is specifically divided into: the system comprises an AC/DC low-voltage module, a DC/DC high-voltage module and an AC/DC high-voltage module; the power distribution module is used for high-low voltage power distribution of a charger; the controller module is a main control unit of the whole charger; the heat dissipation module is powered by the power distribution module and driven by the controller module to dissipate heat of each power supply module; the output module is used for outputting high-voltage direct current and low-voltage direct current from the power supply module; the HMI touch screen is human-computer interaction equipment, and can artificially limit the output of high-low voltage direct current or control the equipment not to be overcharged through the communication with a controller module.

Furthermore, external power source has three kinds of different charging interfaces, is used for inserting commercial power (220V alternating current), direct current fills electric pile and alternating current and fills electric pile respectively.

Further, the AC/DC low-voltage module is a high-voltage AC-to-low-voltage DC converter and is used for converting high-voltage AC power provided by commercial power and an AC charging pile into low-voltage DC power of 13V; the DC/DC low-voltage module is a high-voltage DC-to-low-voltage DC converter and is used for converting high-voltage DC power provided by the DC charging pile into low-voltage DC power of 13V; the DC/DC high-voltage module is a high-voltage direct-current to higher-voltage direct-current converter and is used for converting high-voltage direct current provided by the direct-current charging pile into high-voltage alternating current with the voltage range of 30-750V; the AC/DC high-voltage module is a high-voltage AC-to-high-voltage DC converter and is used for converting high-voltage AC power provided by commercial power and an AC charging pile into high-voltage DC power with the voltage range of 30-750V.

further, the power distribution module comprises a relay, a fuse, a voltage sensor, a Hall sensor and a temperature sensor; the relay and the fuse are used for controlling the on-off of high voltage and low voltage electricity; the voltage sensor is used for acquiring voltage signals; the Hall sensor is used for collecting current signals; the temperature sensor is used for acquiring a temperature signal; when the voltage, current and temperature signals are abnormal, the controller module controls the high-low voltage to be disconnected or drives the heat dissipation module to work.

Further, the controller module is in CAN communication control with each power module through a CAN (controller area network) line, communicates with the HMI touch screen through an RS-485 (communication mode), and drives the heat dissipation module through a PWM signal.

Further, the output module is used for outputting low-voltage direct current and high-voltage direct current of the power module, namely the low-voltage direct current of 13V and the high-voltage direct current of which the voltage range is 30-750V.

The technical scheme provided by the invention has the beneficial effects that: the invention provides an emergency rescue portable charger supporting multi-power input and output, which is an emergency charger with multi-power input and output, mainly comprises energy storage systems with different voltage platforms, such as a power battery, a super capacitor, a lead-acid battery and the like, for rescue and power supplement, and mainly has the following advantages: 1. supporting multiple power supply inputs; 2. the purpose is wide, and the commonality is strong, has multiple output voltage interface: the low-voltage output interface has stable output voltage and can be used for driving a relay or charging a low-voltage lead-acid storage battery; the high-voltage output interface has a wide output range and can be compatible with charging of energy storage systems of different voltage platforms; 3. an output voltage and current control panel with manual input; 4. small size, light weight and convenient carrying.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

Fig. 1 is a schematic structural diagram of an emergency rescue portable charger supporting multiple power supply inputs and outputs according to the invention;

Fig. 2 is an appearance schematic diagram of an emergency rescue portable charger supporting multiple power supply inputs and outputs according to the invention.

Reference numerals: k1-mains input interface; K2-DC charging pile interface; K3-AC charging pile interface; k4-input module; K5-AC/DC low voltage module; K6-DC/DC low voltage module; K7-DC/DC high voltage module; K8-AC/DC high voltage module; k9-power distribution module; k10-controller module; k11-heat dissipation module; k12-output module; K13-HMI touch screen; k14-handle; U1-13V direct current; u2-30 to 750 high voltage direct current.

Detailed Description

In order to facilitate understanding of the present invention, specific embodiments thereof will be described below with reference to the accompanying drawings.

the preferred embodiments of the present invention are illustrated in the accompanying drawings, but the invention is not limited in its implementation to the embodiments described herein. The technology used herein has the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1, an embodiment of the invention provides an emergency rescue portable charger supporting multiple power supply inputs and outputs, including an input module K4, an AC/DC low voltage module K5, a DC/DC low voltage module K6, a DC/DC high voltage module K7, an AC/DC high voltage module K8, a power distribution module K9, a controller module K10, a heat dissipation module K11, an output module K12, and an HMI touch screen K13.

The input module K4 is used for accessing an external power supply, and the charging interfaces in the whole charging system are three types: commercial power input interface K1, direct current fill electric pile interface K2, alternating current fill electric pile interface K3, in case the circumstances of the whole car limit feed appears, all can carry out emergent benefit electricity based on above power location.

According to the different input power supplies, the portable emergency rescue charger supporting multi-power supply input and output corresponds to the following four power supply modules: the AC/DC low-voltage module K5 is a high-voltage AC-to-low-voltage DC converter and is used for converting high-voltage AC power provided by a mains supply input interface K1 and an AC charging pile interface K3 into low-voltage DC power of 13V; the DC/DC low-voltage module K6 is a high-voltage direct-current to low-voltage direct-current converter for converting high-voltage direct current provided by the direct-current charging pile interface K2 into low-voltage direct current of 13V; the DC/DC high-voltage module K7 is a high-voltage direct-current to higher-voltage direct-current converter for converting high-voltage direct current provided by the direct-current charging pile interface K2 into high-voltage direct current with the voltage range of 30-750V; the AC/DC high-voltage module K8 is a high-voltage alternating current to high-voltage direct current converter and is used for converting high-voltage alternating current provided by the mains supply input interface K1 and the alternating current charging pile interface K3 into high-voltage direct current with the voltage range of 30-750V.

The power distribution module K9 is a high-low voltage power distribution unit of the charger, and specifically comprises a relay, a fuse, a voltage sensor, a Hall sensor and a temperature sensor. The relay and the fuse mainly control the on-off of high and low voltage electricity, the voltage sensor is used for collecting voltage signals, the Hall sensor is used for collecting current signals, and the temperature sensor is used for collecting temperature signals; when voltage, current and temperature signals are abnormal, the controller module K10 controls the high-low voltage to be disconnected or drives the heat dissipation module K11 to work through the power distribution module K9.

The controller module K10 is a main control unit of the whole charger, CAN communicates with the AC/DC low-voltage module K5, the DC/DC low-voltage module K6, the DC/DC high-voltage module K7 and the AC/DC high-voltage module K8 through a CAN wire via a power distribution module K9, communicates with the HMI touch screen K13 through RS-485, and drives the heat dissipation module K11 through PWM signals.

The heat dissipation module K11 is powered by the power distribution module K9 and controlled by the controller module K10 to dissipate heat for the AC/DC low voltage module K5, the DC/DC low voltage module K6, the DC/DC high voltage module K7 and the AC/DC high voltage module K8.

The output module K12 is a high-low voltage power output unit of the charger, and can output two power supplies provided by the AC/DC low-voltage module K5, the DC/DC low-voltage module K6, the DC/DC high-voltage module K7 and the AC/DC high-voltage module K8 according to requirements: the 13V direct current U1 is mainly used for supplying power to a low-voltage lead-acid battery and can also drive various relays determined at high sides; 30 ~ 750V high voltage direct current U2 mainly provides emergent charging for energy storage equipment and uses.

The HMI touch screen K13 is a man-machine interaction device, on one hand, a user communicates with the controller module K10 through the HMI touch screen K13, and then the controller module K10 communicates with the power supply module through the CAN to limit output direct current U1 and U2; on the other hand, a user sets protection voltage and protection current through the HMI touch screen K13, if a voltage sensor and a Hall sensor in the power distribution module K9 detect abnormal voltage and current signals, the controller module K10 controls a relay and a fuse in the power distribution module K9 to cut off the power, and the charger is guaranteed to work normally and energy storage equipment is not overcharged.

The following embodiment of the portable emergency rescue charger supporting multi-power input and output provided by the invention is as follows:

When the commercial power input interface K1 or the alternating current charging pile interface K3 is connected with alternating current, the alternating current is converted into 13V low-voltage direct current and 30-750V high-voltage direct current respectively by the AC/DC low-voltage module K5 and the AC/DC high-voltage module K8; when the direct current charging pile interface K2 is connected with direct current, the DC/DC low-voltage module K6 and the DC/DC high-voltage module K7 convert the direct current into 13V low-voltage direct current and 30-750V high-voltage direct current respectively. The converted high-voltage and low-voltage direct current enters a power distribution module K9, a user can set protection voltage and protection current on an HMI touch screen K13 at the moment, if a voltage sensor and a Hall sensor in the power distribution module K9 detect abnormal voltage and current signals, a controller module K10 controls a relay and a fuse in the power distribution module K9 to cut off the power, and the charger is guaranteed to work normally and energy storage equipment is not overcharged; if the temperature sensor in the power distribution module K9 detects an abnormal temperature signal, the controller module K10 controls the power distribution module K9 to supply power to the heat dissipation module K11, and the driving heat dissipation module K11 dissipates heat for the AC/DC low-voltage module K5, the DC/DC low-voltage module K6, the DC/DC high-voltage module K7 and the AC/DC high-voltage module K8; if the detected voltage, current and temperature signals in the power distribution module K9 are normal, the controller module K10 controls the output module K12 to output 13V direct current U1 and 30-750V high-voltage direct current U2 in the power distribution module K9, the 13V direct current U1 is used for supplying power for the low-voltage lead-acid battery and can also drive various relays determined on the high side, and the 30-750V high-voltage direct current U2 is mainly used for emergency charging of energy storage equipment. At the moment, a user can also limit the specific output range of the 30-750V high-voltage direct current U2 through the HMI touch screen K13 so as to meet the power supply requirements of different voltage platforms.

Referring to fig. 2, in the appearance diagram of the portable emergency rescue charger supporting multiple power supply inputs and outputs according to the above embodiment, the length, width and height are 345mm, 165mm and 403mm respectively, and the top end of the charger housing is further provided with a handle K14, so that the portable emergency rescue charger has the advantages of small volume and portability.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.