CN104701935A - High-reliability mobile DC power source - Google Patents

Abstract

The present invention provides a highly reliable mobile DC power supply, which includes a charger module, a battery pack module, a voltage stabilization module, and a state monitoring and display module; wherein, the charger module, the battery pack module, and the voltage stabilization module are The state monitoring and display module is connected to the battery pack module and the voltage stabilizing module; the battery pack module includes a plurality of battery packs; the charger module includes a plurality of connected AC/DC converters and constant voltage A current-constant voltage controller; the AC/DC converter is connected to the battery pack one by one through the constant current-constant voltage controller; the voltage stabilizing module includes a main voltage regulator and a backup voltage regulator; the The input ends of the main voltage regulator and the backup voltage regulator are respectively connected to a plurality of battery packs. The invention is provided with a plurality of battery packs, which improves the capacity of the mobile DC power supply and can meet the use of large electric equipment; the invention is provided with a main voltage regulator and a backup voltage regulator, which improves the stability of the mobile DC power supply.

Description

Highly reliable mobile DC power supply

technical field

The invention relates to power supply technology, in particular to a highly reliable mobile DC power supply.

Background technique

Existing mobile power supplies are mostly used in civilian fields, with low reliability and small capacity, which cannot meet the power supply requirements of satellite locking mechanisms.

After searching the prior art, it is found that the application number is 201410077511.3, and the invention named mobile power supply discloses a mobile power supply, including an input interface, a charge and discharge control circuit, a microprocessor, a battery and an output interface; The discharge control circuit and the microprocessor are connected, and are used to receive power from an external power supply and transmit it to the charge and discharge control circuit and the microprocessor; the charge and discharge control circuit is respectively connected to the microprocessor, the battery and the output interface; the charge and discharge control circuit is used to The charge control signal and the discharge control signal of the microprocessor select the corresponding charge control operation mode and discharge control operation mode, and perform corresponding charge control or discharge control on the battery. The above-mentioned mobile power supply can realize the charging and discharging control of the battery through the charging and discharging control circuit, and there is no need to set up independent charging and discharging control circuits respectively. The circuit structure of the above-mentioned mobile power supply is relatively simple, which is conducive to the miniaturization of the mobile power supply, but has low reliability and small capacity, and cannot meet the power supply requirements of the satellite locking mechanism.

Contents of the invention

Aiming at the defects in the prior art, the object of the present invention is to provide a highly reliable mobile DC power supply.

The highly reliable mobile DC power supply provided by the present invention includes a charger module, a battery pack module, a voltage stabilizing module and a state monitoring and display module;

Wherein, the charger module, the battery pack module and the voltage stabilizing module are connected in sequence; the state monitoring and display module is connected to the battery pack module and the voltage stabilizing module;

The battery pack module includes a plurality of battery packs; the charger module includes a plurality of AC/DC converters and a plurality of constant current-constant voltage controllers; the AC/DC converter passes through the constant current-constant voltage The controller is connected to the battery packs one by one;

The voltage stabilizing module includes a main voltage regulator and a backup voltage regulator; the input ends of the main voltage regulator and the backup voltage regulator are connected to a plurality of battery packs;

The state monitoring and display module is used to detect the remaining power of the battery pack module and display the remaining power, remaining time, output voltage and output current of the battery pack module.

Preferably, the battery pack includes a plurality of storage batteries and a protection circuit board;

A plurality of accumulators are connected in series to form an accumulator group; the plurality of accumulators are connected in parallel and connected between the protection circuit board and the constant current-constant voltage controller;

The protection circuit board is used for balance protection, overvoltage protection, undervoltage protection, overcurrent protection, short circuit protection and detection of remaining power of the battery pack.

Preferably, it also includes a charging interface and an output interface;

The multiple AC/DC converters are all connected to the charging interface; the output ends of the main voltage regulator and the backup voltage regulator are both connected to the output interface.

Preferably, the state monitoring display module includes a microcontroller, a liquid crystal display and an output voltage output current detection module;

The liquid crystal display screen is connected to a plurality of protection circuit boards through the microcontroller; the output voltage output current detection module is connected to a plurality of protection circuit boards, a main voltage regulator and a backup voltage regulator.

Preferably, multiple battery packs are connected through or circuit hot backup; the main voltage regulator and the backup voltage regulator are connected through or circuit hot backup.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention is provided with a plurality of battery packs, which increases the capacity of the mobile DC power supply and can meet the needs of large-scale electrical equipment;

2. The present invention is provided with a main voltage regulator and a backup voltage regulator, which improves the stability of the mobile DC power supply;

3. The present invention is provided with a plurality of chargers, which can simultaneously charge a plurality of battery packs, thereby improving the charging efficiency.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1 is a structural schematic diagram of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

In this embodiment, as shown in Figure 1, the highly reliable mobile DC power supply provided by the present invention includes a charger module, a battery pack module, a voltage stabilizing module and a state monitoring and display module;

Wherein, the charger module, the battery pack module and the voltage stabilizing module are connected in sequence; the state monitoring and display module is connected to the battery pack module and the voltage stabilizing module; the battery pack module includes multiple A battery pack, specifically a plurality of battery packs N+1 redundantly connected; the charger module includes a plurality of AC/DC converters and a plurality of constant current-constant voltage controllers; the AC/DC converters are in one-to-one correspondence Connect the constant current-constant voltage controller; the AC/DC converter is connected to the battery pack one by one through the constant current-constant voltage controller; the number of chargers is the same as the number of battery packs, and can be One-to-one charging at the same time, reducing charging time.

The voltage stabilizing module includes a main voltage regulator and a backup voltage regulator; the input ends of the main voltage regulator and the backup voltage regulator are respectively connected to a plurality of battery packs; multiple battery packs are passed through or circuit hot backup Connection; through or circuit hot backup connection between primary and backup regulators.

The state monitoring and display module is used to detect the remaining power of the battery pack module and display the remaining power, remaining time, output voltage and output current of the battery pack module.

The battery pack includes multiple batteries and a protection circuit board; multiple batteries are connected in series to form a battery pack; multiple battery packs are connected in parallel between the protection circuit board and the constant current-constant voltage controller; in this implementation In the example, 8 batteries are connected in 4 strings and 2 parallels.

The protection circuit board is used for balance protection, overvoltage protection, undervoltage protection, overcurrent protection, short circuit protection and detection of remaining power of the battery pack.

The highly reliable mobile DC power supply provided by the present invention also includes a charging interface and an output interface; a plurality of the AC/DC converters are connected to the charging interface; the output terminals of the main voltage regulator and the backup voltage regulator All are connected to the output interface to improve the reliability of the present invention.

The state monitoring and display module includes a microcontroller, a liquid crystal display and an output voltage output current detection module; the liquid crystal display is connected to a plurality of the protection circuit boards through the microcontroller; the output voltage output current detection module Connect a plurality of said protection circuit boards, main voltage regulator and backup voltage regulator. The liquid crystal display is used to display the remaining power, remaining time, output voltage, and output current of the battery pack module.

Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention.

Claims (5)

1. a highly reliable mobile direct-current power source, is characterized in that, comprises charger module, battery module, Voltage stabilizing module and status monitoring display module;

Wherein, described charger module, described battery module are connected in turn with described Voltage stabilizing module; Described status monitoring display module connects described battery module and described Voltage stabilizing module;

Described battery module comprises multiple battery pack; Described charger module comprises multiple AC-dc converter and multiple constant current-constant-voltage controller; Described AC-dc converter to be connected one to one described battery pack by described constant current-constant-voltage controller;

Described Voltage stabilizing module comprises main pressurizer and backup pressurizer; Described main pressurizer is all connected multiple battery pack with the input of described backup pressurizer;

Described status monitoring display module is for detecting the dump energy of battery module and showing the dump energy of battery module, remaining time, output voltage and output current.

2. highly reliable mobile direct-current power source according to claim 1, is characterized in that, described battery pack comprises multiple storage battery and protection circuit plate;

Multiple storage battery batteries in series; Be connected to after multiple batteries parallel connection between described protection circuit plate and described constant current-constant-voltage controller;

Described protection circuit plate is used for the balance protection of battery pack, overvoltage protection, under-voltage protection, overcurrent protection, short-circuit protection and battery pack residual capacity measurement.

3. highly reliable mobile direct-current power source according to claim 2, is characterized in that, also comprises charging inlet and output interface;

Multiple described AC-dc converter all connects described charging inlet; Described main pressurizer is all connected described output interface with the output of described backup pressurizer.

4. highly reliable mobile direct-current power source according to claim 3, is characterized in that, described status monitoring display module comprises microcontroller, LCDs and output voltage output electric current measure module;

Described LCDs connects multiple described protection circuit plate by described microcontroller; The multiple described protection circuit plate of described output voltage output electric current measure model calling, main pressurizer and backup pressurizer.

5. highly reliable mobile direct-current power source according to claim 1, is characterized in that, passes through or the connection of circuit Hot Spare between multiple battery pack; Pass through between main pressurizer and backup pressurizer or the connection of circuit Hot Spare.