CN218586926U

CN218586926U - Portable power supply device

Info

Publication number: CN218586926U
Application number: CN202223015886.6U
Authority: CN
Inventors: 侯文超; 郭勇; 徐斌; 徐霖; 李焜武; 刘泽雪; 晏文杰; 张泽; 刘玉龙; 滕明作; 易鸣; 代歧; 张文科; 陶浩; 郭文志; 王可; 赵彤彤
Original assignee: Wuhan Shengshi Qicheng Information Technology Co ltd
Current assignee: Wuhan Shengshi Qicheng Information Technology Co ltd
Priority date: 2022-11-12
Filing date: 2022-11-12
Publication date: 2023-03-07
Anticipated expiration: 2032-11-12

Abstract

The utility model discloses a portable power supply device, including the box, be provided with battery core and battery control circuit board in the box, the box is provided with display screen and interface group outward, and battery core, display screen and connection port group electricity all connect in battery control circuit board, and battery control circuit board includes control chip, charge and discharge management module, battery protection module, dc-to-ac converter and direct current voltage regulator, and charge and discharge management module, battery protection module, dc-to-ac converter and direct current voltage regulator electricity all connect in control chip. The utility model discloses beneficial effect: the utility model is provided with a charge-discharge module and an inverter, the charge-discharge module can discharge direct current, the direct current is converted into alternating current through the inverter, an emergency power supply is provided for the maintenance operation of the motor train unit, and AC220V positive sine wave alternating current and direct current 0-110V and direct current 5A can be output; the portable high-power and portable single-hand-held electric vehicle has the advantages of high power, portability, weight less than 10KG, overcharge protection, low-voltage protection and short-circuit protection.

Description

Portable power supply device

Technical Field

The utility model belongs to the technical field of the power technology and specifically relates to a portable power supply unit.

Background

In the motor car overhaul operation process, some overhaul equipment is needed, the overhaul equipment needs power, different overhaul equipment power consumption modes are different, some are alternating currents, some are direct currents, and portable power supplies in the prior art are all mode discharge, can only put alternating currents or can only put direct currents, then need different power supply units at the overhaul in-process, carry the trouble like this, influence work efficiency.

Therefore, it is necessary to provide a portable power supply device for the above problems.

SUMMERY OF THE UTILITY MODEL

To the deficiencies in the prior art, an object of the present invention is to provide a portable power supply device to solve the above problems.

The utility model provides a portable power supply unit, includes the box, be provided with battery core and battery control circuit board in the box, the box is provided with display screen and interface group outward, battery core, display screen and connection port group all electricity connect in battery control circuit board, battery control circuit board includes control chip, charge and discharge management module, battery protection module, dc-to-ac converter and direct current voltage regulator all electricity connect in control chip.

Preferably, the upper part of the box body is connected with a handle.

Preferably, a heat dissipation fan is arranged at the top in the box body.

Preferably, the two sides of the box body are provided with first heat dissipation meshes, and the bottom of the box body is provided with only second heat dissipation meshes.

Preferably, the four corners of the bottom of the box body are provided with support foot pads.

Preferably, the battery core adopts a 1000WH high-efficiency lithium battery pack.

Preferably, the battery protection module comprises a temperature protection circuit, an over-discharge protection circuit, an overcurrent protection circuit, an overload protection circuit, a short-circuit protection circuit and an overvoltage protection circuit, and the temperature protection circuit, the over-discharge protection circuit, the overcurrent protection circuit, the overload protection circuit, the short-circuit protection circuit and the overvoltage protection circuit are connected to the control chip.

Preferably, the dc voltage regulator includes a dc voltage regulating module, a current regulating module and a voltage stabilizing circuit, and the dc voltage regulating module, the current regulating module and the voltage stabilizing circuit are all connected to the control chip.

Preferably, the interface group comprises a three-hole mains supply socket, a quick charging interface, a USB charging port and a direct current output binding post.

Preferably, the side of box still is provided with always opening pipe, output switch, voltage regulation knob and current regulation knob, always opening pipe, output switch, voltage regulation knob and current regulation knob all connect in battery control circuit board.

Compared with the prior art, the utility model discloses beneficial effect: the utility model is provided with a charge-discharge module and an inverter, the charge-discharge module can discharge direct current, the direct current is converted into alternating current through the inverter, an emergency power supply is provided for the maintenance operation of the motor train unit, and AC220V positive sine wave alternating current and direct current 0-110V and 5A (voltage and current can be adjusted) can be output; the portable high-power and portable single-hand-held electric vehicle has the advantages of high power, portability, weight less than 10KG, overcharge protection, low-voltage protection and short-circuit protection.

Drawings

Fig. 1 is a structural view of a portable power supply device provided by the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is an internal structural view of the present invention;

fig. 4 is a block diagram of the modules of the present invention.

Reference numbers in the figures: 1. a box body; 2. a battery cell; 3. a battery control circuit board; 4. a display screen; 5. an interface group; 6. a carrying handle; 7. a heat radiation fan; 8. a first heat dissipating mesh; 9. a second heat dissipating mesh; 10. supporting the foot pad; 101. a master switch; 102. an output switch; 103. a voltage adjustment knob; 104. a current adjusting knob; 301. a control chip; 302. a charge and discharge management module; 303. a battery protection module; 304. an inverter; 305. a direct current voltage regulator.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The embodiments of the invention will be described in detail hereinafter with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 in combination with fig. 2 to 3, a portable power supply device includes a box 1, a battery core 2 and a battery control circuit board 3 are disposed in the box, a display screen 4 and an interface set 5 are disposed outside the box 1, the battery core 2, the display screen 4 and the interface set 5 are electrically connected to the battery control circuit board 3, the battery control circuit board 3 includes a control chip 301, a charge and discharge management module 302, a battery protection module 303, an inverter 304 and a dc voltage regulator 305, and the charge and discharge management module 302, the battery protection module 303, the inverter 304 and the dc voltage regulator 305 are electrically connected to the control chip 301.

Furthermore, the upper part of the box body 1 is connected with a handle 6.

The beneficial effects of the further technical scheme are that: the handle 6 is convenient to carry.

Further, a heat radiation fan 7 is arranged at the top in the box body 1.

Furthermore, two side edges of the box body 1 are provided with first heat dissipation mesh holes 8, and the bottom of the box body 1 is provided with only second heat dissipation mesh holes 9.

The beneficial effects of the further technical scheme are as follows: radiator fan 7 can dispel the heat to battery control circuit board 3 and battery core 2, avoids battery control circuit board 3 and battery core 2 overheated and influence normal use, and in the first heat dissipation mesh 8 of air accessible got into box 1, then gone out through second heat dissipation mesh 9, distributes away the heat dissipation of box 1 from second heat dissipation mesh 9.

Furthermore, four corners of the bottom of the box body 1 are provided with support feet 10.

The beneficial effects of the further technical scheme are as follows: the supporting foot pads 10 enable a certain distance to be reserved between the bottom of the box body and the placing table board, and air circulation is facilitated.

Furthermore, the battery core 2 adopts a 1000WH high-efficiency lithium battery pack, so that the battery has a good energy storage effect and high energy density.

Further, the battery protection module 303 includes a temperature protection circuit, an over-discharge protection circuit, an over-current protection circuit, an overload protection circuit, a short-circuit protection circuit, and an overvoltage protection circuit, and the temperature protection circuit, the over-discharge protection circuit, the over-current protection circuit, the overload protection circuit, the short-circuit protection circuit, and the overvoltage protection circuit are connected to the control chip.

The beneficial effects of the further technical scheme are as follows: the temperature protection circuit is provided with a temperature sensor and is arranged on the side edge of the battery core, if the temperature of the battery core is sensed to be too high, the temperature can be displayed and prompted to workers through the display screen, and the temperature of the battery is too high; the over-discharge protection circuit, the over-current protection circuit, the overload protection circuit, the short-circuit protection circuit and the overvoltage protection circuit respectively detect whether the over-discharge, over-current, overload, short circuit and overvoltage conditions occur in the using process of the power supply, and if the over-discharge, over-current, overload, short circuit and overvoltage conditions occur, the power supply is protected.

Further, the dc voltage regulator 305 includes a dc voltage regulating module, a current regulating module and a voltage stabilizing circuit, and the dc voltage regulating module, the current regulating module and the voltage stabilizing circuit are all connected to the control chip.

Furthermore, the interface group 5 comprises a three-hole mains supply socket, a quick charging interface, a USB charging interface and a direct current output wiring terminal.

The beneficial effects of the further technical scheme are as follows: the three-hole commercial power socket can discharge 220V alternating current, the quick charging interface is used for charging the battery core by commercial power outside, and the direct current output wiring terminal can discharge direct current.

Further, the side of the box body 1 is also provided with a total open pipe 101, an output switch 102, a voltage adjusting knob 103 and a current adjusting knob 104, and the total open pipe 101, the output switch 102, the voltage adjusting knob 103 and the current adjusting knob 104 are all connected to the battery control circuit board 3.

The working principle is as follows: the display screen 4 and the interface group 5 are arranged outside the box body 1, the battery core 2, the display screen 4 and the interface group 5 are electrically connected to the battery control circuit board 3, the battery control circuit board 3 comprises a control chip 301, a charging and discharging management module 302, a battery protection module 303, an inverter 304 and a direct current voltage regulator 305, and the charging and discharging management module 302, the battery protection module 303, the inverter 304 and the direct current voltage regulator 305 are electrically connected to the control chip 301.

During the use, open the master switch, when check out test set needed AC220V, adjust voltage regulation knob 103 will discharge voltage and adjust to 220V, insert the three hole commercial power sockets with check out test set's plug, check out test set can use AC220V promptly, and its principle of discharging is that the direct current voltage of battery core 2 converts into the alternating current through the dc-to-AC converter.

If the detection equipment needs direct current, the battery core is converted into a required voltage range through the direct current voltage regulator, and is connected to different interfaces (a USB charging port and a direct current output binding post) according to different using interfaces.

The above only is the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent processes made by the contents of the specification and the drawings are utilized, or directly or indirectly applied to other related technical fields, and all the same principles are included in the patent protection scope of the present invention.

Claims

1. A portable power supply device characterized by: including box (1), be provided with battery core (2) and battery control circuit board (3) in the box, box (1) is provided with display screen (4) and interface group (5) outward, battery core (2), display screen (4) and interface group (5) all electricity connect in battery control circuit board (3), battery control circuit board (3) include control chip (301), charge and discharge management module (302), battery protection module (303), dc-to-ac converter (304) and direct current voltage regulator (305) all electricity connect in control chip (301).

2. A portable power supply apparatus according to claim 1, wherein: the upper part of the box body (1) is connected with a handle (6).

3. A portable power supply apparatus according to claim 1, wherein: and a heat radiation fan (7) is arranged at the top in the box body (1).

4. A portable power supply apparatus according to claim 1, wherein: the two sides of the box body (1) are provided with first heat dissipation mesh holes (8), and the bottom of the box body (1) is provided with second heat dissipation mesh holes (9).

5. A portable power supply apparatus according to claim 1, wherein: the four corners of the bottom of the box body (1) are provided with supporting foot pads (10).

6. A portable power supply apparatus according to claim 1, wherein: the battery core (2) adopts a 1000WH high-efficiency lithium battery pack.

7. A portable power supply apparatus according to claim 1, wherein: the battery protection module (303) comprises a temperature protection circuit, an over-discharge protection circuit, an overcurrent protection circuit, an overload protection circuit, a short-circuit protection circuit and an overvoltage protection circuit, wherein the temperature protection circuit, the over-discharge protection circuit, the overcurrent protection circuit, the overload protection circuit, the short-circuit protection circuit and the overvoltage protection circuit are connected to the control chip.

8. A portable power supply apparatus according to claim 1, wherein: the direct current voltage regulator (305) comprises a direct current voltage regulating module, a current regulating module and a voltage stabilizing circuit, wherein the direct current voltage regulating module, the current regulating module and the voltage stabilizing circuit are all connected to the control chip.

9. A portable power supply apparatus according to claim 1, wherein: the interface group (5) comprises a three-hole mains supply socket, a quick charging interface, a USB charging port and a direct current output wiring terminal.

10. A portable power supply apparatus according to claim 1, wherein: the side of the box body (1) is further provided with a total open pipe (101), an output switch (102), a voltage adjusting knob (103) and a current adjusting knob (104), and the total open pipe (101), the output switch (102), the voltage adjusting knob (103) and the current adjusting knob (104) are all connected to the battery control circuit board (3).