CN213342046U

CN213342046U - Rectification inverter for uninterrupted power supply

Info

Publication number: CN213342046U
Application number: CN202022541028.XU
Authority: CN
Inventors: 李桥; 段治荣
Original assignee: Shenzhen Xinruiying Electronics Co ltd
Current assignee: Shenzhen Xinruiying Electronics Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-01
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a rectification inversion equipment technical field, specifically is a rectification inversion device for uninterrupted power supply, including the circuit board of base plate and uninterrupted power supply, the base plate fixed connection is on the upper portion of circuit board, and the upper portion fixed mounting of base plate has the heat dissipation chamber, and rectification and inversion are corresponding notion often, and the untimely discharge of heat that rectification and inversion subassembly produced when the operation in the uninterrupted power supply may produce the influence to other components inside the power supply; through the design of the structures of the heat dissipation cavity, the two groups of heat dissipation fans, the air outlet cavity and the like, the rectification component and the inversion component of the rectification inversion device are arranged separately, so that the rectification component and the inversion component can be conveniently disassembled and maintained, under the air cooling heat dissipation of the upper portion of the heat dissipation cavity and the positive heat dissipation fans, the heat dissipation airflow blows the air and the heat dissipation of the rectification component and the inversion component respectively through the air vents at the two ends and the air outlet cavity, and a better heat dissipation effect can be obtained in a separate heat dissipation mode.

Description

Rectification inverter for uninterrupted power supply

Technical Field

The utility model relates to a rectification inverter technical field specifically is a rectification inverter for uninterrupted power source.

Background

UPS, i.e. an uninterruptible power supply, is an uninterruptible power supply that includes an energy storage device. The power supply device is mainly used for providing uninterrupted power supply for partial equipment with higher requirements on power supply stability. When the commercial power input is normal, the UPS supplies the commercial power to the load for use after stabilizing the voltage, and the UPS is an alternating current type voltage stabilizer and also charges the battery in the machine; when the commercial power is interrupted (power failure in accident), the UPS immediately supplies the direct current electric energy of the battery to the load by a method of switching and converting the inverter to continuously supply 220V alternating current to the load, so that the load keeps normal work and the software and hardware of the load are protected from being damaged. UPS devices typically provide protection against either excessive voltage or insufficient voltage.

The circuit structure of the rectification inverter in the uninterruptible power supply in the prior art is often mixed with other elements, the compact layout and installation mode leads to the difficulty in disassembling and maintaining partial components of the rectification inverter, and the electrical elements with too high compactness can influence the internal heat dissipation effect, thereby influencing the work of the rectification inverter and the uninterruptible power supply, and therefore the rectification inverter for the uninterruptible power supply needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rectification inverter for uninterrupted power source, through the heat dissipation chamber, the design of two sets of radiator fan and air-out chamber isotructure, at first separately set up rectification subassembly and contravariant subassembly with rectification inverter, thereby make rectification subassembly and contravariant subassembly, make overall structure's heat distribution even, under heat dissipation chamber upper portion and positive radiator fan's air-cooled heat dissipation, the heat dissipation air current is through the ventilation hole at both ends and air-out chamber respectively to the rectification subassembly with the contravariant subassembly fan heat of blowing, separate radiating mode can obtain the radiating effect of preferred, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rectification inverter for an uninterruptible power supply comprises a substrate and a circuit board of the uninterruptible power supply, wherein the substrate is fixedly connected to the upper part of the circuit board, a heat dissipation cavity is fixedly mounted on the upper part of the substrate, a first capacitor bank and a second capacitor bank are arranged on the upper part of the substrate, and the first capacitor bank and the second capacitor bank are respectively positioned on two sides of the substrate;

the utility model discloses a heat dissipation chamber, including heat dissipation chamber, first air-out chamber, second air-out chamber, first air-out chamber and second air-out chamber, the both sides lateral part upper end in heat dissipation chamber is provided with rectification subassembly and the contravariant subassembly that is the symmetry and sets up, the positive fixed mounting in heat dissipation chamber has first radiator fan, the upper portion fixed mounting in heat dissipation chamber has second radiator fan, the ventilation hole that is the symmetry and sets up is seted up to the lateral part lower extreme in heat dissipation chamber, the ventilation hole department in heat dissipation chamber both sides is laminated respectively and is fixed with first air-out chamber.

Preferably, the side of the base plate is integrally formed with a right-angle-shaped flange, and the first capacitor bank and the second capacitor bank are both located on the inner side of the flange of the base plate.

Preferably, the upper portions of the first capacitor bank and the second capacitor bank are electrically connected with a wiring busbar, the first capacitor bank is electrically connected to the rectifying assembly through the wiring busbar, and the second capacitor bank is electrically connected to the inverting assembly through the wiring busbar.

Preferably, fan grooves are formed in the upper portion and the side portion of the heat dissipation cavity, and the first heat dissipation fan and the second heat dissipation fan are fixedly installed on the upper portion and the side portion of the heat dissipation cavity through the fan grooves.

Preferably, the fixed frame is fixedly connected to the upper end of the inside of the heat dissipation cavity, and the dust filtration cotton is arranged inside the fixed frame.

Preferably, the upper parts of the first air outlet cavity and the second air outlet cavity are arranged in an open mode, and side openings are formed in the side parts of the first air outlet cavity and the second air outlet cavity.

Preferably, the side openings of the first air outlet cavity and the second air outlet cavity are respectively aligned with the ventilation holes at the two ends of the heat dissipation cavity.

Preferably, the openings at the upper parts of the first air outlet cavity and the second air outlet cavity are respectively aligned with the rectifying component and the inverting component.

Preferably, the upper portion of the substrate is fixedly connected with a fixing groove, and the heat dissipation chamber is fixedly mounted on the upper portion of the substrate through the fixing groove.

Preferably, at least three groups of first cooling fans are arranged on the side of the cooling cavity, and at least three groups of second cooling fans are arranged on the upper portion of the cooling cavity.

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

through the design of heat dissipation chamber, two sets of radiator fan and air outlet chamber isotructure, at first separately set up rectification subassembly and contravariant subassembly with rectification inverter device to make that rectification subassembly and contravariant subassembly can be convenient dismantle the maintenance, make overall structure's heat distribution even, under the air-cooled heat dissipation of heat dissipation chamber upper portion and positive radiator fan, the heat dissipation air current is through the ventilation hole at both ends and air outlet chamber respectively to the rectification subassembly with the contravariant subassembly fan heat of blowing, separate radiating mode can obtain the radiating effect of preferred.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front sectional view of the heat dissipation chamber of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a circuit board; 2. a substrate; 3. fixing grooves; 4. a heat dissipation cavity; 5. a first heat dissipation fan; 6. a first capacitor bank; 7. a second capacitor bank; 8. flanging; 9. a rectifying component; 10. a second heat dissipation fan; 11. a first air outlet cavity; 12. an inverting component; 13. a vent hole; 14. a second air outlet cavity; 15. a fan groove; 16. a fixing frame; 17. dust filtration cotton; 18. the side edges are open.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a rectification inverter for an uninterruptible power supply comprises a substrate 2 and a circuit board 1 of the uninterruptible power supply, wherein the substrate 2 is fixedly connected to the upper part of the circuit board 1, a heat dissipation cavity 4 is fixedly arranged on the upper part of the substrate 2, a first capacitor bank 6 and a second capacitor bank 7 are arranged on the upper part of the substrate 2, and the first capacitor bank 6 and the second capacitor bank 7 are respectively positioned on two sides of the substrate 2;

the upper ends of the side parts of the two sides of the heat dissipation cavity 4 are provided with a rectifying component 9 and an inverter component 12 which are symmetrically arranged, the front surface of the heat dissipation cavity 4 is fixedly provided with a first heat dissipation fan 5, the upper part of the heat dissipation cavity 4 is fixedly provided with a second heat dissipation fan 10, the lower end of the side part of the heat dissipation cavity 4 is provided with symmetrically arranged vent holes 13, and the vent holes 13 of the two sides of the heat dissipation cavity 4 are respectively fixedly attached with a first air outlet cavity 11 and a second air outlet cavity 14;

the first air outlet cavity 11 and the second air outlet cavity 14 are both communicated with the vent hole 13. Openings in the upper portions of the second air outlet cavity 14 and the first air outlet cavity 11 are respectively located right below the rectifying component 9 and the inverter component 12, and air-cooled air is blown upwards to the rectifying component 9 and the inverter component 12 through the second air outlet cavity 14 and the first air outlet cavity 11.

The lateral part of base plate 2 integrated into one piece has the turn-ups 8 that is the right angle form, and first electric capacity group 6 all lies in the turn-ups 8 inboard of base plate 2 with second electric capacity group 7. The upper portions of the first capacitor bank 6 and the second capacitor bank 7 are electrically connected with a wiring busbar, the first capacitor bank 6 is electrically connected to the rectifying component 9 through the wiring busbar, and the second capacitor bank 7 is electrically connected to the inverting component 12 through the wiring busbar.

The upper part and the side part of the heat dissipation cavity 4 are provided with fan grooves 15, and the first heat dissipation fan 5 and the second heat dissipation fan 10 are fixedly arranged on the upper part and the side part of the heat dissipation cavity 4 through the fan grooves 15. At least three groups of first cooling fans 5 are arranged on the side part of the cooling cavity 4, and at least three groups of second cooling fans 10 are arranged on the upper part of the cooling cavity 4.

The fixed frame 16 is fixedly connected to the upper end of the inside of the heat dissipation cavity 4, and the dust filtration cotton 17 is arranged inside the fixed frame 16. The dust filter 17 filters the air entering the interior of the heat dissipation chamber 4 through the heat dissipation fan, so as to ensure that no excessive dust is accumulated inside the component while heat is dissipated by the fan.

The upper parts of the first air outlet cavity 11 and the second air outlet cavity 14 are arranged in an open manner, and side openings 18 are arranged at the side parts of the first air outlet cavity 11 and the second air outlet cavity 14; the side openings 18 of the first air outlet cavity 11 and the second air outlet cavity 14 are respectively aligned with the vent holes 13 at the two ends of the heat dissipation cavity 4; the upper openings of the first air outlet cavity 11 and the second air outlet cavity 14 are respectively aligned with the rectifying component 9 and the inverter component 12.

The upper portion of the substrate 2 is fixedly connected with a fixing groove 3, and the heat dissipation chamber 4 is fixedly installed on the upper portion of the substrate 2 through the fixing groove 3. Further, a positioning component is fixedly connected to the fixing groove 3, so that the heat dissipation chamber 4 is ensured to be installed at a proper position on the fixing groove 3.

The working principle is as follows: through heat dissipation chamber 4, the design of two sets of radiator fan and air outlet chamber isotructure, at first set up rectification subassembly 9 and contravariant subassembly 12 separately with rectification inverter, thereby make rectification subassembly 9 and contravariant subassembly 12 can be convenient dismantle the maintenance, make overall structure's heat distribution even, under heat dissipation chamber 4 upper portion and positive radiator fan's air-cooled heat dissipation, the heat of fan is sent out to rectification subassembly 9 and contravariant subassembly 12 respectively through ventilation hole 13 and air outlet chamber at both ends to the heat dissipation air current, separate radiating mode can obtain the radiating effect of preferred.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rectification inverter for uninterrupted power source, includes base plate (2) and uninterrupted power source's circuit board (1), its characterized in that: the substrate (2) is fixedly connected to the upper part of the circuit board (1), the upper part of the substrate (2) is fixedly provided with a heat dissipation cavity (4), the upper part of the substrate (2) is provided with a first capacitor bank (6) and a second capacitor bank (7), and the first capacitor bank (6) and the second capacitor bank (7) are respectively positioned on two sides of the substrate (2);

the utility model discloses a heat dissipation chamber (4) for the automobile, including heat dissipation chamber (4), the both sides lateral part upper end of heat dissipation chamber (4) is provided with rectification subassembly (9) and contravariant subassembly (12) that are the symmetry and set up, the positive fixed mounting in heat dissipation chamber (4) has first radiator fan (5), the upper portion fixed mounting in heat dissipation chamber (4) has second radiator fan (10), ventilation hole (13) that are the symmetry and set up are seted up to the lateral part lower extreme in heat dissipation chamber (4), ventilation hole (13) punishment of heat dissipation chamber (4) both sides do not is laminated and is fixed with first air-out chamber (11) and second air-out chamber (14), first air-out chamber (11) and second air-out chamber (14) all communicate in ventilation hole.

2. The rectification inverter device for the uninterruptible power supply as claimed in claim 1, wherein: the lateral part of base plate (2) integrated into one piece has turn-ups (8) that are the right angle form, first electric capacity group (6) and second electric capacity group (7) all are located turn-ups (8) of base plate (2) inboard.

3. The rectification inverter device for the uninterruptible power supply as claimed in claim 1, wherein: the upper portions of the first capacitor bank (6) and the second capacitor bank (7) are electrically connected with a wiring busbar, the first capacitor bank (6) is electrically connected with the rectifying assembly (9) through the wiring busbar, and the second capacitor bank (7) is electrically connected with the inverting assembly (12) through the wiring busbar.

4. The rectification inverter device for the uninterruptible power supply as claimed in claim 1, wherein: fan grooves (15) are formed in the upper portion and the side portion of the heat dissipation cavity (4), and the first heat dissipation fan (5) and the second heat dissipation fan (10) are fixedly installed on the upper portion and the side portion of the heat dissipation cavity (4) through the fan grooves (15).

5. The rectification inverter device for the uninterruptible power supply as claimed in claim 1, wherein: the inside upper end fixedly connected with of heat dissipation chamber (4) is fixed frame (16), the inside of fixed frame (16) is provided with dirt cotton (17).

6. The rectification inverter device for the uninterruptible power supply as claimed in claim 1, wherein: the upper portions of the first air outlet cavity (11) and the second air outlet cavity (14) are arranged in an open mode, and side openings (18) are formed in the side portions of the first air outlet cavity (11) and the second air outlet cavity (14).

7. The rectification inverter device for the uninterruptible power supply as claimed in claim 6, wherein: the side openings (18) of the first air outlet cavity (11) and the second air outlet cavity (14) are respectively aligned with the ventilation holes (13) at the two ends of the heat dissipation cavity (4).

8. The rectification inverter device for the uninterruptible power supply as claimed in claim 6, wherein: the upper openings of the first air outlet cavity (11) and the second air outlet cavity (14) are respectively aligned with the rectifying component (9) and the inverter component (12).

9. The rectification inverter device for the uninterruptible power supply as claimed in claim 1, wherein: the upper portion fixedly connected with fixed slot (3) of base plate (2), heat dissipation chamber (4) are through fixed slot (3) fixed mounting in the upper portion of base plate (2).

10. The rectification inverter device for the uninterruptible power supply as claimed in claim 1, wherein: the side part of the heat dissipation cavity (4) is provided with at least three groups of first heat dissipation fans (5), and the upper part of the heat dissipation cavity (4) is provided with at least three groups of second heat dissipation fans (10).