CN211859715U

CN211859715U - Portable vehicle-mounted special UPS power supply

Info

Publication number: CN211859715U
Application number: CN202020539428.4U
Authority: CN
Inventors: 张海军
Original assignee: Banda Yaqi Technology Hangzhou Co ltd
Current assignee: Banda Yaqi Technology Hangzhou Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-03
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses an on-vehicle special type UPS power of portable, including the power supply box body, the front end of power supply box body is equipped with the front end housing, and the surface of front end housing is equipped with the current detection interface, and power button is installed to one side of current detection interface, the front end housing surface is equipped with the undervoltage protection switch, the rear end of power supply box body is provided with the rear end cap, and the surface mounting of rear end cap has the isolation converter, and the circuit display is installed to the below of isolation converter, through electric connection between the output of isolation converter and DC converter's the input, DC converter's one end is passed through power converter and is connected with filtering output module. The utility model discloses an adopting the efficient to keep apart the converter, making the input/output electric isolation, preventing effectively that the electric shock accident from taking place, making DC system's ground connection problem become very simple, secondary ground connection is more convenient, the active filtering technique that the direct current was used, greatly reduced the anti-noise of irritating of system, improved DC system's input voltage.

Description

Portable vehicle-mounted special UPS power supply

Technical Field

The utility model relates to a UPS power technical field specifically is an on-vehicle special type UPS power of portable.

Background

The BDE series electric power and post-and-telecommunications uninterrupted power supply UPS is a high-quality power supply system specially designed for power plants, transformer substations, communication industries, automatic control equipment, vehicle-mounted communication systems, vehicle-mounted command systems, high-end motor home systems, solar energy, oil fields, wind energy, new energy and the like. The method is mainly applied to places with high requirements on power supply quality of load equipment. Such as vehicle-mounted systems, telecontrol, RTU, carrier wave, monitoring, switches, machine rooms, networks, charging, servers, accident lighting places and the like. If the alternating current input is powered off, a self-contained external battery cabinet provides long-time uninterrupted power supply for load equipment through the inverter, and if the direct current input is powered off, the inverter is overloaded or fails, the system can be automatically switched to bypass power supply, so that the continuity of the system power supply is guaranteed.

The current vehicle-mounted special UPS power supply has a single structure function, cannot provide good guarantee for circuit safety, and is easy to cause electric shock accidents, so that the market urgently needs to develop a novel portable vehicle-mounted special UPS power supply to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-vehicle special type UPS power of portable to solve present on-vehicle special type UPS power structure function singleness that provides in the above-mentioned background art, can't provide good guarantee for circuit safety, the easy electric shock accident scheduling problem that takes place.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an on-vehicle special type UPS power of portable, includes the power supply box body, the front end of power supply box body is provided with the front end housing, and the surface of front end housing is provided with the current detection interface, and power button is installed to one side of current detection interface, the front end housing surface is provided with the undervoltage protection switch, and one side of undervoltage protection switch is provided with the load port, the rear end of power supply box body is provided with the rear end cap, and the surface mounting of rear end cap has the isolation converter, and the circuit display is installed to the below of isolation converter, through electric connection between the output of isolation converter and DC converter's the input, DC converter's one end is passed through power converter and is connected.

Preferably, the rear end cover is provided with a switch.

Preferably, the direct current converter is in signal connection with the data acquisition unit.

Preferably, the other end of the dc converter is connected to the filtering output module through a dc controller.

Preferably, the output end of the data acquisition unit is electrically connected with the input end of the filtering output module.

Preferably, the output end of the filtering output module is electrically connected with the input end of the system protection module.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the direct current system adopts a high-efficiency isolation converter, so that input and output are electrically isolated, electric shock accidents are effectively prevented, the grounding problem of the direct current system is very simple, secondary grounding is more convenient, the reverse-filling noise of the system is greatly reduced by an active filtering technology applied to direct current, the input voltage of the direct current system is improved, the direct current is supplied to an inverter after being subjected to DC/DC isolation conversion, and the direct current is converted into single-phase 220V sine wave voltage through the inverter to output frequency-stabilized and voltage-stabilized alternating voltage;

(2) the system is provided with 2-6 paths of main loads and secondary load ports, the main loads and the secondary load ports are provided with AC220V alternating current output under the normal condition of the electric quantity of the storage battery, when the electric quantity of the storage battery is lower than 30%, the secondary load ports are automatically closed by the system, the loads connected to the secondary load ports are firstly closed, the residual electric quantity enables more important equipment to continuously work for a longer time, the battery pack can be directly started under the condition of no commercial power, the emergency requirement is met, after the battery discharges to under-voltage protection, the commercial power can be automatically started when recovered, and the system has the unattended function.

Drawings

Fig. 1 is a schematic diagram of the front end structure of the power supply box body of the present invention;

FIG. 2 is a schematic diagram of the rear end structure of the power supply box of the present invention;

fig. 3 is a schematic block diagram of the present invention.

In the figure: 1. a power supply box body; 2. a front end cover; 3. a power button; 4. a load port; 5. a current detection interface; 6. an undervoltage protection switch; 7. an isolated converter; 8. a circuit display; 9. a rear end cap; 10. an electric brake switch; 11. a DC converter; 12. a power converter; 13. a data acquisition unit; 14. a DC controller; 15. a filtering output module; 16. and a system protection module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an on-vehicle special type UPS power of portable, including power supply box body 1, power supply box body 1's front end is provided with front end housing 2, front end housing 2's surface is provided with current detection interface 5, power button 3 is installed to one side of current detection interface 5, the 2 surface of front end housing is provided with undervoltage protection switch 6, one side of undervoltage protection switch 6 is provided with load port 4, power supply box body 1's rear end is provided with rear end cap 9, rear end cap 9's surface mounting has isolating transformer 7, circuit display 8 is installed to isolating transformer 7's below, pass through electric connection between isolating transformer 7's the output and DC converter 11's the input, DC converter 11's one end is passed through power converter 12 and is connected with filtering output module 15.

Further, a switch 10 is mounted on the rear end cap 9.

Further, the direct current converter 11 is connected with the data collector 13 through a signal.

Further, the other end of the dc converter 11 is connected to a filter output module 15 through a dc controller 14.

Further, the output end of the data collector 13 is electrically connected with the input end of the filtering output module 15.

Further, the output end of the filtering output module 15 is electrically connected to the input end of the system protection module 16.

The working principle is as follows: when in use, the rear end of the power box body 1 is provided with a rear end cover 9, the surface of the rear end cover 9 is provided with an isolation converter 7, a direct current system adopts the high-efficiency isolation converter 7 to isolate input and output electricity, thereby effectively preventing electric shock accidents, simplifying the grounding problem of the direct current system, facilitating secondary grounding, greatly reducing the back-filling noise of the system by using an active filtering technology applied by direct current, improving the input voltage of the direct current system, supplying power to an inverter after the direct current is isolated and converted by DC/DC, converting the direct current into single-phase 220V sine wave voltage to output frequency-stabilized and voltage-stabilized alternating voltage by the inverter, the surface of the front end cover 2 is provided with an under-voltage protection switch 6, one side of the under-voltage protection switch 6 is provided with a load port 4, the system is provided with 2-6 paths of main load and secondary load ports, and the main load and the secondary load ports are both provided with AC220V alternating current output, when the battery electric quantity is lower than 30%, the system automatically closes the secondary load port, the load connected to the secondary load port is firstly closed, the residual electric quantity enables more important equipment to continuously work for a longer time, and under the state without mains supply, the battery pack can be directly used for starting, emergency requirements are met, after the battery discharges to under-voltage protection, the battery pack can be automatically started when the mains supply recovers, and the battery pack has an unattended function.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A portable vehicle-mounted special UPS power supply comprises a power supply box body (1) and is characterized in that, a front end cover (2) is arranged at the front end of the power supply box body (1), a current detection interface (5) is arranged on the surface of the front end cover (2), a power supply button (3) is arranged on one side of the current detection interface (5), the surface of the front end cover (2) is provided with an under-voltage protection switch (6), one side of the under-voltage protection switch (6) is provided with a load port (4), a rear end cover (9) is arranged at the rear end of the power supply box body (1), an isolation converter (7) is arranged on the surface of the rear end cover (9), a circuit display (8) is arranged below the isolation converter (7), the output end of the isolation converter (7) is electrically connected with the input end of the direct current converter (11), and one end of the direct current converter (11) is connected with the filtering output module (15) through the power converter (12).

2. The portable vehicle-mounted special UPS according to claim 1, characterized in that: and the rear end cover (9) is provided with a switch (10).

3. The portable vehicle-mounted special UPS according to claim 1, characterized in that: the direct current converter (11) is connected with the data acquisition unit (13) through signals.

4. The portable vehicle-mounted special UPS according to claim 1, characterized in that: the other end of the direct current converter (11) is connected with a filtering output module (15) through a direct current controller (14).

5. The portable vehicle-mounted special UPS according to claim 3, characterized in that: the output end of the data acquisition unit (13) is electrically connected with the input end of the filtering output module (15).

6. The portable vehicle-mounted special UPS according to claim 1, characterized in that: the output end of the filtering output module (15) is electrically connected with the input end of the system protection module (16).