CN201207567Y

CN201207567Y - Portable DC operation power supply

Info

Publication number: CN201207567Y
Application number: CNU2008201011944U
Authority: CN
Inventors: 肖艳义
Original assignee: Individual
Current assignee: Xiamen Lanxi Tech Co Ltd
Priority date: 2008-01-18
Filing date: 2008-01-18
Publication date: 2009-03-11
Anticipated expiration: 2018-01-18

Abstract

The utility model discloses a portable direct current operation power supply, which comprises a box body and an interior circuit; the box body adopts a hollow structure, the interior circuit is arranged in the box body, and comprises an AC/DC input module, a DC/DC boosting module, a charging module, a DC/DC reduction module, a storage battery and a CPU module; an input end of the AC/DC input module is connected with an external power supply, and an output end thereof is connected to the DC/DC reduction module; an input end of the charging module is connected with the external power supply, an output end thereof is connected with the CPU module and the storage battery, the storage battery is connected to an input end of the DC/DC boosting module, and an output end of the DC/DC boosting module is connected to an input end of the DC/DC reduction module; the CPU module outputs signals to control another five modules to work; an output end of the DC/DC reduction module is connected to a binding post; and the binding post is arranged on the surface of the box body. The structure is small in size and convenient in carrying, and is applicable without alternating current power supply.

Description

The Portable DC operating power

Technical field

The utility model relates to the power supply technique field, particularly a kind of Portable DC operating power structure of using storage battery.

Background technology

In the prior art, have a kind of Portable DC power supply, but it need use AC power to provide power supply for it, when AC-less power tie point or AC power break down, then can't carry out work.

The inventor was to propose a kind of continuous-current plant 40 in " power supply system of DC source of isolated fault " Chinese invention patent application of 200610135414.0 at application number once, as shown in Figure 1, by DC/DC input module 41, DC/DC boost module 42, charging module 43, storage battery 44, DC/DC step-down module 45 and CPU module 46 6 parts are formed, DC/DC input module 41, DC/DC boost module 42, charging module 43, DC/DC step-down module 45, CPU module 46 all is a prior art, the key of continuous-current plant 40 is annexations of each module: the input of DC/DC input module 41 connects external power source, and the output output high direct voltage of DC/DC input module 41 is to the input that connects DC/DC step-down module 45; The input of charging module 43 also connects external power source, the output output dc low-voltage of charging module 43 is for 46 work of CPU module and storage battery 44 chargings, and the output of charging module 43 connects the input of DC/DC boost module 42, and the output output high direct voltage of DC/DC boost module 42 is to the input of DC/DC step-down module 45.Because this continuous-current plant 40 carries storage battery, storage battery 44 is usually by 2 joint 12V battery series-feds.So, when no DC power supply tie point or DC power supply break down, can still can proceed work by storage battery 44 power supplies.Yet, continuous-current plant 40 in this invention is to be connected between dc bus and the switch cubicle, and continuous-current plant 40 is the inside that is fixedly mounted on switch cubicle according to the needs of wiring, so this continuous-current plant 40 is not easy to move, more inconvenient carrying, but still have improvements.

In view of this, the inventor concentrates on studies, and uses to solve above-mentioned all deficiencies, and this case produces thus.

The utility model content

The purpose of this utility model is to provide a kind of Portable DC operating power, and its volume is little, be easy to carry, and still applicable when AC-less power.

To achieve these goals, solution of the present utility model is:

The Portable DC operating power comprises casing and internal circuit; Casing is a hollow structure, and internal circuit is installed in the casing, and internal circuit comprises AC/DC input module, DC/DC boost module, charging module, DC/DC step-down module, storage battery and CPU module six parts; The input of AC/DC input module connects external power source, and the output of AC/DC input module is connected to the input of DC/DC step-down module; The input of charging module also connects external power source, the output output dc low-voltage of charging module is for CPU module work and charge in batteries, storage battery is connected to the input of DC/DC boost module, and the output of DC/DC boost module also is connected to the input of DC/DC step-down module; The output of CPU module output signal respectively is used to control AC/DC input module, DC/DC boost module, DC/DC step-down module, charging module and battery-operated; The output of DC/DC step-down module is connected to binding post; Binding post is installed in tank surface.

The surface of above-mentioned casing also offers display window, and the CPU module is also passed through I ²The C bus links to each other with display module, and display module embeds in the display window of casing.

The surface of above-mentioned casing also is equipped with and is used for portable handle.

The surface of above-mentioned casing also offers air-vent, and fan also is installed on the casing.

Above-mentioned display module comprises LCD.

Above-mentioned display module comprises LED.

The ac power input end of above-mentioned internal circuit links to each other with a socket, and socket is installed in tank surface, and socket also is equipped with a power line that has plug.

The ac power input end of above-mentioned internal circuit links to each other with a power line that has plug.

Above-mentioned binding post is installed in the casing front.

After adopting such scheme, the direct current operative power source that the utility model will have storage battery is assembled in the casing, promptly, concentrated in the less casing of volume being fixedly mounted on each components and parts in the switch cubicle originally, only need mobile box during use, it is whole mobile to drive direct current operative power source, so direct current operative power source of the present utility model carries very convenient; Because of in direct current operative power source, being connected with storage battery, in the place that can't obtain AC power, can utilize storage battery, again so the utility model scope of application is wide, and is practical to the electricity consumption electric; And, because whole device by integrated in a casing, it is more stable to connect up, and can not cause circuit open circuit in the handling process, the job stability of device improves.

Description of drawings

Fig. 1 is the structural representation of existing continuous-current plant;

Fig. 2 is a front of the present utility model schematic perspective view;

Fig. 3 is a back side of the present utility model schematic perspective view;

Fig. 4 is the structural representation of direct current operative power source in the utility model.

Embodiment

With reference to shown in Figure 2, be the front schematic perspective view of the utility model Portable DC operating power, comprise casing 1 and internal circuit 2 (being shown in broken lines among the figure).

Wherein, internal circuit 2 is installed in the casing 1, and internal circuit 2 comprises AC/DC input module 21, DC/DC boost module 22, charging module 23, DC/DC step-down module, storage battery 24 and CPU module 26 6 parts, as shown in Figure 4.The input of AC/DC input module 21 connects external power source, and the output of AC/DC input module 21 is connected to the input of DC/DC step-down module; The input of charging module 23 also connects external power source, the output output dc low-voltage of charging module 23 is for 26 work of CPU module and storage battery 24 chargings, the output of storage battery 24 connects the input of DC/DC boost module 22, and the output of DC/DC boost module 22 also is connected to the input of DC/DC step-down module; The output (OUTPUT) of DC/DC step-down module 25 is connected to binding post 12.The output of CPU module 26 output signal respectively is used to control AC/DC input module 21, DC/DC boost module 22, DC/DC step-down module, charging module 23 and storage battery 24 work.CPU module 26 also leaves communication output (RS485/RS232), and correspondence offers PORT COM 18 on casing 1, provides this direct current operative power source working state signal for remote maintenance and management.In order to control the break-make of entire circuit, internal circuit 2 not only can connect the switch 15 of the whole device voltage output of control, as present embodiment switch 15 is connected between internal circuit 2 and the binding post 12, can also connects the button 16 of control storage battery 24 voltages output.

Casing 1 is a hollow structure, and the front is equipped with binding post 12 (see figure 2)s, is used for connecting using electric loading, to using electric loading output DC source.16 on switch 15 and button are installed in the back side (see figure 3) of casing 1, and whether the break-make and storage battery 24 voltages that are used to control entire circuit are exported.

Like this, the utility model is because be assembled in internal circuit 2 in the casing 1, make the integrated portable direct current operative power source, each components and parts that is fixedly mounted in the original internal circuit 2 in the switch cubicle are concentrated in the less casing of volume, both be easy to carry, again because of being connected with storage battery 24 in the internal circuit 2, so, still can use in the place of AC-less power or when running into burst accidents such as power failure.

As shown in Figure 2, present embodiment also offers display window 11 on the surface of casing 1, for ease of observing, display window 11 is opened in the front of casing 1, and CPU module 26 is passed through I ²The C bus links to each other with display module.In the present embodiment, select for use LCD and LED lamp to show, LCD embeds in the square display window 11 in casing 1 front, be used to show the running parameter of Portable DC operating power, as output voltage, charging voltage, current strength etc., offer the quantity of display window 11, can design as the case may be; The LED lamp embeds in the circular display window 11 (hole) in casing 1 front, by the show state embodiment Portable DC operating power current working state of LED lamp, as charged state, battery distress condition, output voltage state etc., is convenient to operation control.

Carry when moving and carrying and carrying, present embodiment is at the mounted on surface jug 13 of casing 1, and handle 13 can be installed in the side or the end face (seeing present embodiment) of casing 1, when the mobile portable direct current operative power source, only with hand is held handle 13, can conveniently carry and carry casing 1, arbitrarily moves.

In order to improve the heat-sinking capability of device, avoid components and parts to damage because of overheated in the course of the work, improve the security reliability of device, increase the service life, present embodiment also offers air-vent 14 on the surface of casing 1, and on casing 1 fan 17 is installed also, the quantity of air-vent 14 and size can be determined on a case-by-case basis, can be opened in the side or the bottom surface of casing 1,, also air-vent 14 can be designed to various ordered states such as radiation, rectangular for reaching the effect of good looking appearance.

Internal circuit 2 is connected with external power source for convenience, present embodiment links to each other ac power input end (INPUT) with a socket 3, socket 3 is installed in casing 1 surface, socket 3 also is equipped with a power line (common structure that has plug, not shown), certainly, also ac power input end (INPUT) directly can be linked to each other with a power line that has plug.

During present embodiment work, in the place that can obtain AC power, can directly AC power be connected to the socket 3 of Portable DC operating power, dc supply input with electric loading links to each other with the binding post 12 of Portable DC power supply, Closing Switch 15, device is operation immediately, by CPU module 24 output control signals, the power supply that AC power provides is through AC/DC input module 21 and step-down module 25, to the electricity consumption electric; When AC power breaks down, or in the place that can't obtain AC power, when having an accident as night, Closing Switch 15 and press the button 16, device is operation immediately, CPU module 26 output control signals, enter DC/DC boost module 22 by storage battery 24 output dc low-voltages, input DC/DC step-down module 25 is converted to normal voltage after DC/DC boost module 22 is converted to high direct voltage, powers to the load through binding post 12.When this Portable DC operating power is charged, the socket 3 of internal circuit 2 is linked to each other with AC power, and CPU module 26 output control signals provide alternating voltage by AC power, be transformed to direct voltage through charging module 23 and send into storage battery 24, be storage battery 24 chargings.

In a word, the internal circuit 2 that the focusing on of the utility model Portable DC operating power will have storage battery 24 is assembled in the casing 1, make internal circuit 2 integrated, volume is little, only need mobile box 1 during use, can make internal circuit 2 whole moving, be easy to carry, the existence of storage battery 24 makes the utility model more be applicable to the place that can't obtain AC power.

Claims

1, Portable DC operating power is characterized in that: comprise casing and internal circuit; Casing is a hollow structure, and internal circuit is installed in the casing, and internal circuit comprises AC/DC input module, DC/DC boost module, charging module, DC/DC step-down module, storage battery and CPU module six parts; The input of AC/DC input module connects external power source, and the output of AC/DC input module is connected to the input of DC/DC step-down module; The input of charging module also connects external power source, the output output dc low-voltage of charging module is for CPU module work and charge in batteries, storage battery is connected to the input of DC/DC boost module, and the output of DC/DC boost module also is connected to the input of DC/DC step-down module; The output of CPU module output signal respectively is used to control AC/DC input module, DC/DC boost module, DC/DC step-down module, charging module and battery-operated; The output of DC/DC step-down module is connected to binding post; Binding post is installed in tank surface.

2, Portable DC operating power as claimed in claim 1, it is characterized in that: the surface of described casing also offers display window, and the CPU module is also passed through I ²The C bus links to each other with display module, and display module embeds in the display window of casing.

3, Portable DC operating power as claimed in claim 2, it is characterized in that: above-mentioned display module comprises LCD.

4, Portable DC operating power as claimed in claim 2, it is characterized in that: above-mentioned display module comprises LED.

5, Portable DC operating power as claimed in claim 1 is characterized in that: the surface of above-mentioned casing also is equipped with and is used for portable handle.

6, Portable DC operating power as claimed in claim 1, it is characterized in that: the surface of above-mentioned casing also offers air-vent, and fan also is installed on the casing.

7, Portable DC operating power as claimed in claim 1 is characterized in that: the ac power input end of above-mentioned internal circuit links to each other with a socket, and socket is installed in tank surface, and socket also is equipped with a power line that has plug.

8, Portable DC operating power as claimed in claim 1 is characterized in that: the ac power input end of above-mentioned internal circuit links to each other with a power line that has plug.

9, Portable DC operating power as claimed in claim 1, it is characterized in that: above-mentioned binding post is installed in the casing front.