Portable high-power safe power supply device

Abstract

The utility model discloses a portable high-power safe power supply device which comprises a box body, an energy storage converter and a control circuit board are arranged in the box body, a direct current interface, a grid connection interface, a charging interface and a handle are arranged at the top of the box body, and a mechanical knob, a heat dissipation dust cover, a single-phase interface and a three-phase interface are arranged on the front face of the box body. The mechanical knob can adjust an off-grid mode and a grid-connected mode, the back surface of the box body is provided with a display screen, an LED indicating lamp, a power supply starting button, a fault emergency stop button and a heat dissipation convection dust cover, and the left side of the box body is internally provided with a main control board and a UPS power supply. According to the utility model, charging can be realized through household 220V voltage, a new energy electric vehicle charging pile and an electric vehicle battery, electric energy of different powers can be output through conversion of a power electronic technology, and the electric vehicle charging pile can be used in various power supply and emergency places.

Description

Technical Field

[0001] This utility model belongs to the technical field of power supply protection devices, and in particular relates to a portable high-power power supply protection device. Background Technology

[0002] During peak electricity consumption periods in winter and summer, there are significant power shortages. To cope with power transmission failures in emergencies, such as power supply for large-scale events, college entrance examinations, emergency disaster relief sites, flood pumping, emergency lighting, and mobile charging stations on highways during major holidays, conventional power supply devices such as diesel generators are expensive, inconvenient, impractical, and noisy. Conventional battery power supply devices also have relatively low output power. Utility Model Content

[0003] The purpose of this invention is to provide a portable high-power power supply device to solve the technical problems of existing power supply devices, such as low portability, single charging mode, low output power, and inability to be used in some situations. This invention can be charged in three modes: household 220V voltage, direct charging at a charging station, and charging via a power battery. Through power electronics technology, it can output electrical energy of different power levels and can be used in various power supply and emergency situations.

[0004] To achieve the above objectives, the specific technical solution of this utility model is as follows:

[0005] A portable high-power power supply device includes a housing. Inside the housing are an energy storage converter and a control circuit board. The control circuit board includes a main control board, a UPS power supply, and a voltage regulator. The top of the housing is equipped with a DC charging interface, a grid-connected charging interface, an off-grid charging interface, and a handle. The DC charging interface, grid-connected charging interface, and off-grid charging interface are electrically connected to the energy storage converter and the control circuit board. The main operating surface of the housing includes a mechanical knob, a heat dissipation and dustproof cover, a single-phase interface, and a three-phase interface. The secondary operating surface of the housing includes a display screen, LED indicator lights, a power start button, a fault emergency stop button, and a heat dissipation and dustproof cover.

[0006] The main control board and the display screen are connected to the UPS power supply. The display screen, LED indicator, power start button, and fault emergency stop button are all electrically connected to the main control board.

[0007] A voltage regulator is provided between the single-phase interface, the three-phase interface, and the main control board circuit. The display screen can set the output voltage of the output interface, thereby adjusting the output power. Furthermore, the display screen is a touch screen.

[0008] Furthermore, the UPS power supply is a 12V uninterruptible power supply.

[0009] Furthermore, a fan is installed inside the enclosure.

[0010] Furthermore, a DC contactor and a fuse are provided between the DC charging interface and the energy storage converter circuit.

[0011] Furthermore, the handle is made of metal and is fixed to the box body by screws.

[0012] Furthermore, there are two handles, symmetrically arranged on the top of the box.

[0013] Furthermore, the single-phase interface and the three-phase interface are provided with plastic insulating covers on their outer sides.

[0014] Furthermore, the LED indicator includes a standby indicator, a running indicator, and a fault indicator.

[0015] Furthermore, the bottom of the enclosure is provided with feet, which are equipped with rubber buffer terminals, and there are multiple feet symmetrically arranged at the bottom of the enclosure.

[0016] Due to the adoption of the above technical solutions, the beneficial effects of this application are as follows:

[0017] This utility model can be used to charge new energy electric vehicle batteries, or it can be directly charged using a household 200V charger or a new energy electric vehicle charging station, making charging more convenient and highly portable. Through power electronics technology, it can output electrical energy of different power levels to meet the power needs of various sudden and emergency situations. Attached Figure Description

[0018] Figure 1 This is the main view of the present utility model;

[0019] Figure 2 This is a top view of the present invention;

[0020] Figure 3 This is a rear view of the present invention;

[0021] Figure 4 This is a diagram of the internal structure of the present invention on the right side;

[0022] Figure 5 This is a left-side internal structural diagram of the present invention;

[0023] Figure 6 This is a block diagram of the electrical connection of this utility model.

[0024] The markings in the diagram are as follows: 1 is the enclosure; 2 is the handle; 3 is the DC charging interface; 4 is the grid-connected charging interface; 5 is the off-grid charging interface; 6 is the mechanical knob; 7 is the single-phase interface; 8 is the three-phase interface; 9 is the heat dissipation and dustproof cover; 10 is the LED indicator; 11 is the power start button; 12 is the emergency stop button; 13 is the base; 14 is the display screen; 15 is the power surge protection module; 16 is the UPS power supply; 17 is the charging protection module; 18 is the DC contactor; 19 is the circuit breaker; 20 is the terminal block; 21 is the fuse; 22 is the switching power supply; 23 is the voltage regulator; 24 is the energy storage converter; 25 is the relay; 26 is the terminal block; 27 is the power board; 28 is the main control board; 29 is the ACU; 30 is the TCU board; 31 is the meter; 32 is the fan. Detailed Implementation

[0025] See Figure 1 , Figure 4 and Figure 5 This utility model provides a portable high-power power supply device, including a housing 1. Inside the housing 1 is an energy storage converter 24 and a control circuit board. The energy storage converter 24 controls the charging and discharging process of the battery, performing AC / DC conversion, and can directly supply power to AC loads in the absence of a power grid. The control circuit board includes a UPS power supply 16, a main control board 28, a charging protection module 17, a power surge protection module 15, and a voltage regulator 23. In this embodiment, a circuit breaker 19 and a terminal block 20 are fixed to the upper right side of the housing 1. The circuit breaker is fixed to the internal metal frame via a metal slide rail. The terminal block 20 realizes the splitting and combining of auxiliary power sources for various functions in off-grid or grid-connected operation. A metal handle 2 is provided on the top of the housing. In this embodiment, there are two handles 2, symmetrically arranged on the top of the housing. Multiple feet 13 are provided on the bottom of the housing. In this embodiment, the feet 13 are made of rubber and are rubber-buffered terminals. Multiple feet 13 are symmetrically arranged on the bottom of the housing 1.

[0026] See Figure 2 , Figure 4 and Figure 5The top of the housing 1 is also equipped with a DC charging interface 3, a grid-connected charging interface 4, and an off-grid charging interface 5. The DC charging interface 3, grid-connected charging interface 4, and off-grid charging interface 5 are electrically connected to the energy storage converter to realize three modes: DC charging mode, grid-connected charging mode, and off-grid charging mode. In the DC charging mode, a conventional electric vehicle charging pile is connected to the DC charging interface 3 of this device through a charging connection cable. In the grid-connected charging mode, a conventional household 220V power supply is connected to the grid-connected charging interface 4 of this device through a charging connection cable. In the off-grid charging mode, a new energy vehicle lithium battery is connected to the off-grid charging interface 5 of this device through an electrical connection cable. This allows for charging of the external battery connected to this power supply device in different ways. In this embodiment, a DC contactor 18 and a fuse 21 are installed between the DC charging interface 3 and the electrical connection line of the energy storage converter 24. The DC contactor 18 is used to control the connection or disconnection of power transmission, and the fuse 21 prevents excessive charging current from damaging the device.

[0027] See Figure 1 The front of the housing 1 is equipped with a mechanical knob 6, a heat dissipation and dustproof cover 9, a single-phase interface 7, and a three-phase interface 8. The mechanical knob 6 is electrically connected to the control circuit board and can adjust the off-grid and on-grid operation modes of the power supply device. The on-grid output is a three-phase three-wire 380V AC power, and the off-grid output is a three-phase four-wire 380V AC power. It can also directly output 220V AC power. In this embodiment, the single-phase interface and the three-phase interface are equipped with plastic insulating covers to prevent leakage and improve safety.

[0028] See Figure 3 , Figure 4 and Figure 5The back of the enclosure 1 is equipped with a display screen 14, LED indicator lights 10, a power start button 11, an emergency stop button 12, and a heat dissipation dust cover 9. The display screen 14 is a touch screen, which can directly set the output voltage and display information such as power level. In this embodiment, the power supply for each component is provided by a switching power supply 22. The LED indicator lights 10 are standby indicator lights, running indicator lights, and fault indicator lights. The left side of the enclosure contains a power board 27, a TCU board 30, a main control board 28, a terminal block 26, a relay 25, and a UPS power supply 16. In this embodiment, the UPS power supply 16 is a 12V uninterruptible power supply. The display screen 14, LED indicator lights 10, power start button 11, and emergency stop button 9 are also included. 2. Relay 25 is connected to UPS power supply 16. Fan 32 is installed inside the enclosure 1. Circuit breaker 19 and terminal block 20 are installed on the right side of enclosure 1. DC charging interface 3, grid-connected charging interface 4, off-grid charging interface 5, single-phase interface 7, three-phase interface 8, and mechanical knob 6 are all electrically connected to the energy storage converter. DC charging interface 3, grid-connected charging interface 4, and off-grid charging interface 5 realize the charging function. Single-phase interface 7 and three-phase interface 8 on enclosure 1 realize the discharging function to supply power to other equipment. The grid-connected output is three-phase three-wire 380V AC power, and the off-grid output is three-phase four-wire 380V AC power. It can also directly output 220V AC power. Off-grid and grid-connected charging and discharging are started, stopped, and switched by the power board 27. A standard household 220V power supply is connected to the ACU 29 located inside the left side of the enclosure via a charging cable and a grid-connected charging interface 4. The ACU 29 controls the connection and disconnection of a single phase, and the power is then output to the charging equipment via an off-grid charging interface 5.

[0029] In this embodiment, the display screen 14, LED indicator 10, power start button 11, emergency stop button 12, and TCU board 30 are all electrically connected to the main control board 28. The main control board 28 can display the input voltage, power, and running time through the display screen 14. In this embodiment, a meter 31 and a voltage regulator 23 are also provided between the main control board 28 and the output interface. By setting the unit price and calculating the electricity consumption in the meter, the electricity cost can be calculated and displayed on the display screen 14. The display screen 14 can set the output voltage of the output interface through the main control board 28, thereby adjusting the output power. When the power supply device is in standby mode, the standby indicator light in the LED indicator 10 is green. When the power supply device is in charging or discharging mode, the running indicator light in the LED indicator 10 is green. When the power supply device malfunctions, the fault indicator light in the LED indicator 10 flashes. When the emergency stop button 12 is pressed, the power supply device is forcibly shut down, and the relay 25 is simultaneously activated to cut off the UPS power supply 16.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A portable high-power power supply device, characterized by comprising: The application relates to a storage energy converter, which comprises a box (1) provided with a storage energy converter (24) and a control circuit board in the box (1), the control circuit board comprising a main control board (28), a UPS power supply (16) and a voltage regulator (23), the top of the box (1) being provided with a direct-current charging interface (3), a grid-connected charging interface (4) and an off-grid charging interface (5) and a handle (2), the direct-current charging interface (3), the grid-connected charging interface (4) and the off-grid charging interface (5) being electrically connected with the storage energy converter and the control circuit board; the main operation surface of the box (1) is provided with a mechanical knob (6), a heat-dissipation dust cover (9), a single-phase interface (7) and a three-phase interface (8), the secondary operation surface of the box (1) is provided with a display screen (14), an LED indicator lamp (10), a power supply starting button (11), a fault emergency stop button (12) and a heat-dissipation dust cover (9); the main control board (28) is connected with the UPS power supply (16), and the display screen (14), the LED indicator lamp (10), the power supply starting button (11) and the fault emergency stop button (12) are all electrically connected with the main control board (28); the single-phase interface (7) and the three-phase interface (8) are provided with the voltage regulator (23) between the circuit of the main control board (28), the display screen (14) can set the output voltage of an output interface, so that the output power is adjusted.

2. The portable high-power backup power supply device according to claim 1, characterized by, The display screen (14) is a touch display screen.

3. The portable high-power backup power supply device according to claim 1, characterized by, The UPS power supply (16) is a 12V uninterrupted power supply.

4. The portable high-power backup power supply device according to claim 1, characterized by, The box (1) is internally provided with a fan (32).

5. The portable high-power backup power supply device according to claim 1, characterized by, The direct-current charging interface (3) is provided with a direct-current contactor (18) and a fuse (21) between the circuit of the storage energy converter.

6. The portable high-power backup power supply device according to claim 1, characterized by, The handle (2) is a metal handle, and the handle (2) is fixed on the box (1) by screws.

7. The portable high-power backup power supply device according to claim 6, characterized by The handle (2) is two, and is symmetrically arranged on the top of the box (1).

8. The portable high-power backup power supply device according to claim 1, characterized by, The single-phase interface (7) and the three-phase interface (8) are provided with plastic insulation covers outside.

9. The portable high-power backup power supply device according to claim 1, characterized by, The LED indicator lamp (10) comprises standby indicator lamps, running indicator lamps and fault indicator lamps.

10. The portable high-power backup power supply device according to claim 9, characterized by, The bottom of the box (1) is provided with bottom feet (13), the bottom feet (13) are rubber buffer terminals, the number of the bottom feet (13) is multiple, and the bottom feet (13) are symmetrically arranged on the bottom of the box (1).

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