CN210167651U - Modular power supply power cabinet - Google Patents
Modular power supply power cabinet Download PDFInfo
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- CN210167651U CN210167651U CN201921053251.0U CN201921053251U CN210167651U CN 210167651 U CN210167651 U CN 210167651U CN 201921053251 U CN201921053251 U CN 201921053251U CN 210167651 U CN210167651 U CN 210167651U
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- cabinet
- power
- stage unit
- modular
- body frame
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Abstract
The utility model discloses a modular power supply cabinet, include: a cabinet frame; the guide rail brackets are fixed in the cabinet body frame from top to bottom; the plurality of power modules are fixed in the cabinet body frame through the guide rail bracket; the plug-and-play terminals are mounted on the back of the cabinet body frame, so that the power modules can realize electric hot plug and no-power-loss operation and maintenance; and the communication units are arranged on the back of the cabinet body frame to complete background communication and monitoring of the power modules. The power cabinet is simple to install, convenient to expand and maintain, convenient to switch on and off on line and high in reliability.
Description
Technical Field
The utility model relates to a power electronics class product, in particular to modular power supply cabinet.
Background
With the rapid development of automation technology, power electronic products are widely applied to various industries. High power dc power supplies have become an important component in the operation of power systems as power supplies for devices with switching control and secondary protection. The high-quality and high-efficiency direct-current power supply can directly influence the reliability of the whole system.
The existing high-power direct-current power supply mainly has two modes of a centralized power supply and a power frequency transformer rectification power supply. The centralized power supply adopts a high-speed IGBT to rectify 380V alternating current and outputs 220V universal direct current; the power frequency transformer rectification power supply outputs 220V universal direct current through 380V alternating current voltage reduction and rectification of the power frequency transformer pair.
The two implementation schemes have the technical problems of large occupied area of equipment, high cost, poor adaptability, difficult maintenance and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an installation is simple, the dilatation is convenient, maintain convenient, the online modular power supply power cabinet that moves on, the reliability is high.
In order to achieve the above purpose, the solution of the present invention is:
a modular mains power cabinet comprising:
a cabinet frame;
the guide rail brackets are fixed in the cabinet body frame from top to bottom;
the plurality of power modules are fixed in the cabinet body frame through the guide rail bracket;
the plug-and-play terminals are mounted on the back of the cabinet body frame, so that the power modules can realize electric hot plug and no-power-loss operation and maintenance; and the number of the first and second groups,
and the plurality of communication units are arranged on the back of the cabinet body frame to complete background communication and monitoring of the plurality of power supply modules.
The front door and the rear door with heat dissipation holes and filter screens are respectively arranged at the front and the rear of the cabinet body frame.
The single output power of the power supply module is 30 kW.
The power module comprises a front-stage unit for realizing an alternating current rectification function and a rear-stage unit for realizing a direct current isolation function, wherein the front-stage unit and the rear-stage unit are arranged on the guide rail bracket at intervals in groups.
The preceding stage unit and the subsequent stage unit are provided with independent radiators and three independent fans.
The power module only comprises a rear-stage unit for realizing the direct-current isolation function.
The weight of the front stage unit and the rear stage unit does not exceed 25 KG.
The front-stage unit and the rear-stage unit are both 3U standard height.
After the scheme is adopted, the utility model discloses an improvement in power cabinet inner structure and the power module overall arrangement has realized changing 380V alternating current power supply commonly used or 750V direct current power supply into general direct current power supply, has reduced every power module's weight and volume, has promoted power module's commonality and interchangeability, has made things convenient for change in the power cabinet in-service use is maintained and is transported the installation.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a left side schematic view of the present invention;
fig. 3 is a back schematic view of the present invention.
Detailed Description
The technical solution and the advantages of the present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In order to simplify the disclosure of the present invention, only certain embodiments are described below. Therefore, they are merely examples, which are not intended to limit the present invention.
As shown in fig. 1 to fig. 3, the utility model provides a modular power supply cabinet, including cabinet body frame 101, a plurality of rail brackets 201, a plurality of power module 102, a plurality of plug-and-play type terminals 302 and a plurality of communication unit 301, introduce respectively below.
The front door and the rear door with the heat dissipation holes and the filter screen are arranged around the cabinet body frame 101, so that the dustproof requirement of the cabinet body is met while the heat dissipation of the power cabinet is ensured.
As shown in fig. 2, a plurality of rail brackets 201 are fixed in the cabinet frame 101 from top to bottom for guiding and mounting the power module 102.
The plurality of power supply modules 102 are fixed in the cabinet body frame 102 through the guide rail brackets 201, the output power of each power supply module 102 is about 30kW, and the output power of the power cabinet can be changed by adjusting the number of the power supply modules 102; in this embodiment, the power module 102 is divided into a front unit 103 and a rear unit 104, wherein the front unit 103 implements an ac rectification function, and the rear unit 104 implements a dc isolation function, which can respectively satisfy 750V dc input or 380V ac input through a certain rule combination, for example, the front unit 103 and the rear unit 104 are arranged at intervals in groups to satisfy 380V ac input, and the rear unit 104 is arranged alone to satisfy 750V high voltage dc unit input.
In the present embodiment, the front stage unit 103 and the rear stage unit 104 are each provided with an independent radiator and three independent fans, thereby ensuring the heat dissipation function of a single power module 102; the weights of the front-stage unit 103 and the rear-stage unit 104 are not more than 25KG, and a single operator can replace and maintain the power module 102; the front-stage unit 103 and the rear-stage unit 104 are both 3U standard height, can be installed in a standard cabinet meeting GB/T19520-electronic equipment mechanical structure 482.6mm (19in) series mechanical structure size, and have good universality and interchangeability.
A plurality of plug-and-play type terminals 302 are installed at the back of the cabinet body frame 101, so that the plurality of power modules 102 are electrically hot plugged and maintained without losing power, replacement is facilitated, and operation and maintenance time is saved.
The plurality of communication units 301 are mounted on the back of the cabinet frame 101 to complete background communication and monitoring of the plurality of power modules 102.
In this embodiment, the power cabinet can output a 180V-250V dc power supply, and the requirement of 220V universal dc power supply output is met.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.
Claims (8)
1. A modular mains power cabinet, characterized in that it comprises:
a cabinet frame;
the guide rail brackets are fixed in the cabinet body frame from top to bottom;
the plurality of power modules are fixed in the cabinet body frame through the guide rail bracket;
the plug-and-play terminals are mounted on the back of the cabinet body frame, so that the power modules can realize electric hot plug and no-power-loss operation and maintenance; and the number of the first and second groups,
and the plurality of communication units are arranged on the back of the cabinet body frame to complete background communication and monitoring of the plurality of power supply modules.
2. A modular mains power cabinet as claimed in claim 1, wherein: the front door and the rear door with heat dissipation holes and filter screens are arranged at the front and the rear of the cabinet body frame respectively.
3. A modular mains power cabinet as claimed in claim 1, wherein: the single output power of the power supply module is 30 kW.
4. A modular mains power cabinet as claimed in claim 1, wherein: the power module comprises a preceding stage unit for realizing an alternating current rectification function and a rear stage unit for realizing a direct current isolation function, and the preceding stage unit and the rear stage unit are arranged on the guide rail bracket at intervals in groups.
5. A modular mains power cabinet as claimed in claim 4, wherein: the front-stage unit and the rear-stage unit are both provided with independent radiators and three independent fans.
6. A modular mains power cabinet as claimed in claim 1, wherein: the power module only comprises a rear-stage unit for realizing the direct-current isolation function.
7. A modular mains power cabinet as claimed in claim 4, wherein: the weight of the front-stage unit and the rear-stage unit does not exceed 25 KG.
8. A modular mains power cabinet as claimed in claim 4, wherein: the front-stage unit and the rear-stage unit are both 3U standard height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053251.0U CN210167651U (en) | 2019-07-08 | 2019-07-08 | Modular power supply power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053251.0U CN210167651U (en) | 2019-07-08 | 2019-07-08 | Modular power supply power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210167651U true CN210167651U (en) | 2020-03-20 |
Family
ID=69795054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921053251.0U Active CN210167651U (en) | 2019-07-08 | 2019-07-08 | Modular power supply power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210167651U (en) |
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2019
- 2019-07-08 CN CN201921053251.0U patent/CN210167651U/en active Active
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