Power uninterruptible power supply device

Abstract

The utility model discloses an uninterruptible power supply device, which mainly comprises an external direct-current power supply, a standby power supply, a direct-current bus and a DCDC power supply module, and the DC / DC power supply module is directly hung on the direct-current bus so as to realize high-efficiency and stable direct-current power supply. According to the device, the power conversion process is simplified, the power supply efficiency is improved, and the equipment size and cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power supply, in particular to an electric uninterruptible power supply device. Background Art

[0002] A power supply is a device that converts other forms of energy into electrical energy. The power supply is based on the principle of "magnetoelectricity" and is generated by renewable energy sources such as hydropower, wind power, ocean tides, water pressure differences in dams, solar energy, and burning coal, oil residue, etc. With the continuous development of electronic computer technology, people pay more and more attention to the importance of data security, and put forward higher and more extensive requirements for the stability of the power supply system.

[0003] In recent years, traditional uninterruptible power supply (UPS) usually adopts the method of AC / DC conversion followed by DC / AC inversion to supply power, which has shortcomings in conversion efficiency, energy utilization and equipment volume. In addition, with the continuous development of DC power supply technology, more and more electronic devices use DC power supply. Therefore, it is of great significance to develop an uninterruptible power supply device that directly uses a DC / DC power supply module and is directly connected to the DC bus for power supply. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the existing uninterruptible power supply device, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an uninterruptible power supply device, the main feature of which is to use a DC / DC power module directly connected to a DC bus to achieve efficient and stable DC power supply. In this way, the input DC power is converted by the DC / DC power module and directly output to the required equipment without going through the traditional AC / DC conversion and DC / AC inversion process. The device simplifies the power conversion process, improves power supply efficiency, and reduces the size and cost of the equipment.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an uninterruptible power supply device, including an external DC power supply, a backup power supply, a DC bus and a DC / DC power supply module. The external DC power supply consists of a battery pack A and a solar panel; the battery pack A is placed in a chassis A; two holes are opened on the top of the chassis A, namely, a top hole A and a top hole B; one end of a cable A is connected to the battery pack A through the top hole A, and the other end is connected to the solar panel; one end of a cable B is connected to the battery pack A through the top hole B, and the other end is connected to the DC bus; the solar panel is connected to the DC bus through a cable E; the backup power supply consists of a battery pack B, which is placed in the chassis B; top holes C and D are located on the top of the chassis B, one end of a cable C is connected to the battery pack B through the top hole C, and the other end is connected to the solar panel; one end of a cable D is connected to the battery pack B through the top hole D, and the other end is connected to the DC bus; the DC bus consists of a pole and a bus cable, and the bus cable consists of three cables, which are respectively connected to the cable B, the cable E and the cable D; the DC / DC power supply module is directly hung on the bus cable.

[0008] As a preferred solution of the uninterruptible power supply device of the utility model, wherein: the chassis A and the chassis B are both made of stainless steel, the front covers can be opened, a moisture-proof insulation layer is provided inside, and a rubber anti-slip pad made of vulcanized rubber is provided at the four corners of the bottom; the left side panel of the chassis A and the right side panel of the chassis B are each equipped with a row of fans, and a plurality of heat dissipation holes are provided on the rear panels of the two chassis; the chassis A and the chassis B can be assembled or disassembled and placed in any safe position as needed.

[0009] As a preferred solution of the uninterruptible power supply device of the utility model, the battery pack A can ensure that the device can maintain normal operation at night and in short rainy days; the battery pack A and the battery pack B can be charged by the solar panel when the power is insufficient, and the solar panel can also directly supply power to the DC\DC power supply module.

[0010] As a preferred solution of the uninterruptible power supply device of the utility model, the solar panel is placed in a sunny place such as a roof, one end of cable A, cable C and cable E are simultaneously connected to the solar panel, and the other ends are respectively connected to the battery pack A, the battery pack B and the DC bus.

[0011] As a preferred solution of the uninterruptible power supply device of the utility model, the DC\DC power supply module can increase or decrease the DC power supply voltage to the required voltage level as needed, and convert it into the required DC current output to meet the needs of different equipment.

[0012] As a preferred solution of the uninterruptible power supply device of the utility model, during the operation of the equipment, if the external DC power supply is damaged, under maintenance, interrupted or unstable, the device will automatically switch to the backup power supply to ensure continuous power supply to the equipment.

[0013] Beneficial effects of the utility model:

[0014] (1) High efficiency: The DC / DC power module has high conversion efficiency, which can reduce energy loss during the conversion process and improve the overall power supply efficiency.

[0015] (2) Energy saving: By reducing unnecessary conversion links, energy consumption is reduced, which has a significant energy-saving effect, while also reducing equipment costs and maintenance difficulties.

[0016] (3) Flexibility: The DC / DC power module used can realize the conversion from one DC voltage to another to meet the DC power requirements of different devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the structure of the solar panel of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the chassis A of the utility model.

[0021] Figure 4 It is a structural schematic diagram of chassis B of the utility model.

[0022] Figure 5 The utility model is a schematic diagram of the structure of the DC bus. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0027] Example 1

[0028] Reference Figure 1 , which is the first embodiment of the utility model, provides an uninterruptible power supply device, which includes an external DC power supply 100, a backup power supply 200, a DC bus 300 and a DC / DC power supply module 400. The external DC power supply 100 is composed of a battery pack A101 and a solar panel 102; the battery pack A101 is placed in a chassis A103; two holes are opened on the top of the chassis A103 - a top hole A104 and a top hole B105, one end of the cable A106 is connected to the battery pack A101 through the top hole A104, and the other end is connected to the solar panel 102; one end of the cable B107 is connected to the battery pack A101 through the top hole B105, and the other end is connected to the DC bus 300; the solar panel 102 is connected to the DC bus 300 through the cable E108; the backup power supply 200 is composed of a battery pack B201, which is placed in the chassis B 202; top hole C203 and top hole D204 are located at the top of chassis B202, one end of cable C205 is connected to battery pack B201 through top hole 203, and the other end is connected to solar panel 102; one end of cable D206 is connected to battery pack B201 through top hole D204, and the other end is connected to DC bus 300; DC bus 300 is composed of electric pole 301 and bus cable 302, bus cable 302 is composed of three cables, which are respectively connected to cable B107, cable E108 and cable D206; the DC / DC power supply module 400 is directly hung on the bus cable 302.

[0029] Furthermore, chassis A103 and chassis B202 are both made of stainless steel, and the front covers 1 can be opened. A moisture-proof insulating layer 2 is provided inside, and a rubber anti-slip pad 3 made of vulcanized rubber is provided at the four corners of the bottom; the left side panel 109 of chassis A103 and the right side panel 207 of chassis B202 are each equipped with a row of fans 4, and a number of heat dissipation holes 5 are provided on the rear panels of the two chassis; chassis A103 and chassis B202 can be assembled or disassembled and placed in any safe position as needed.

[0030] Specifically, the battery pack A101 can ensure that the device can maintain normal operation at night and in short rainy days; the battery pack A101 and the battery pack B201 can be charged by the solar panel 102 when the power is insufficient, and the solar panel 102 can also directly supply power to the DC bus 300.

[0031] Additionally, the solar panel 102 is placed in a sunny place such as a roof, and one end of the cable A106, cable C205, and cable E108 are simultaneously connected to the solar panel 102, and the other ends are respectively connected to the battery pack A101, battery pack B201, and the DC bus 300. During use, the DC\DC power supply module 400 can increase or decrease the DC power supply voltage to the required voltage level as needed, and convert it into the required DC current output to meet the needs of different devices. The DC / DC power supply module is directly connected to the DC bus through a specific connector, achieving an efficient and stable connection between the power supply module and the bus. During the operation of the equipment, if the external DC power supply 100 is damaged, overhauled, interrupted, or unstable, the device will automatically switch to the backup power supply 200 to ensure continuous power supply to the equipment.

[0032] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An uninterruptible power supply device, characterized in that: The invention comprises an external direct current power supply (100), a backup power supply (200), a direct current bus (300) and a DC / DC power supply module (400); the external direct current power supply (100) comprises a battery pack A (101) and a solar panel (102); the battery pack A (101) is placed in a chassis A (103); two holes are opened on the top of the chassis A (103) - a top hole A (104) and a top hole B (105); one end of a cable A (106) is connected to the battery pack A (101) through the top hole A (104), and the other end is connected to the solar panel (102); one end of a cable B (107) is connected to the battery pack A (101) through the top hole B (105), and the other end is connected to the direct current bus (300); the solar panel (102) is connected to the direct current bus (300) through a cable E (108); The power supply (200) is composed of a battery pack B (201) and is placed in a case B (202); a top hole C (203) and a top hole D (204) are located at the top of the case B (202); one end of a cable C (205) is connected to the battery pack B (201) through the top hole C (203), and the other end is connected to the solar panel (102); one end of a cable D (206) is connected to the battery pack B (201) through the top hole D (204), and the other end is connected to the DC bus (300); the DC bus (300) is composed of a pole (301) and a bus cable (302); the bus cable (302) is composed of three cables, which are respectively connected to the cable B (107), the cable E (108) and the cable D (206); the DC / DC power supply module (400) is directly hung on the bus cable (302).

2. The uninterruptible power supply device according to claim 1, characterized in that: The chassis A (103) and the chassis B (202) are both made of stainless steel, and both have openable front covers (1), an interior of which is provided with a moisture-proof insulating layer (2), and four corners of the bottom are provided with rubber anti-skid pads (3) made of vulcanized rubber; the left side panel (109) of the chassis A (103) and the right side panel (207) of the chassis B (202) are each provided with an exhaust fan (4), and the rear panels of the two chassis are each provided with a plurality of heat dissipation holes (5); the chassis A (103) and the chassis B (202) can be assembled or disassembled and placed in any safe location as required.

3. The uninterruptible power supply device according to claim 1, characterized in that: When the battery pack A (101) and the battery pack B (201) are insufficiently charged, they can be charged by the solar panel (102), and the solar panel (102) can also directly supply power to the DC bus (300).

4. The uninterruptible power supply device according to claim 2, characterized in that: One end of cable A (106), cable C (205) and cable E (108) are simultaneously connected to the solar panel (102), and the other ends are respectively connected to the battery group A (101), the battery group B (201) and the DC bus (300).

5. The uninterruptible power supply device according to claim 1, characterized in that: During the operation of the device, if the external DC power supply (100) is damaged, under maintenance, interrupted or unstable, the device will automatically switch to the backup power supply (200) to ensure continuous power supply to the device.

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