CN208094451U - A kind of modular construction of power cabinet rectifier stack - Google Patents

Abstract

A kind of modular construction of power cabinet rectifier stack, including shell, silicon-controlled, three-phase trigger, radiator fan and laminated bus bar, the laminated bus bar is set in shell and is threadedly coupled with shell, described silicon-controlled and radiator fan is respectively arranged on the side of laminated bus bar, the air outlet of the radiator fan is correspondingly arranged with silicon-controlled, and the three-phase trigger is set on the inner bottom surface of shell.Multiple device integrations are formed rectification part by the modular construction of the power cabinet rectifier stack in a shell, and are realized and be electrically connected by laminated bus bar.

Description

Modular structure of power cabinet rectifier assembly

technical field

The utility model relates to the field of structural design of a power supply cabinet, in particular to a modular structure of a rectifier assembly of a power supply cabinet.

Background technique

The rectifier assembly in the existing power supply cabinet generally includes a series of devices such as a thyristor heat sink, a three-phase trigger, and a heat dissipation fan, and these devices are electrically connected to form a rectifier assembly. However, in the prior art, these devices are often scattered, so that the space required for the power cabinet is large, and the wiring between the devices is also relatively complicated. Once a certain device fails, it is inconvenient to replace and maintain.

Utility model content

The technical problem to be solved by the utility model is to provide a modular structure of the inverter part of the power cabinet which saves space and is convenient for assembly and maintenance.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

A modular structure of a power cabinet rectifier assembly, including a housing, a thyristor, a three-phase trigger, a cooling fan, and a laminated busbar, the laminated busbar is arranged in the housing and screwed to the housing. The controlled silicon and the heat dissipation fan are respectively arranged on one side of the laminated busbar, the air outlet of the heat dissipation fan is arranged corresponding to the silicon controlled element, and the three-phase trigger is arranged on the inner bottom surface of the casing.

Further, it also includes a thyristor heat sink, and the thyristor heat sink is arranged on a side of the thyristor away from the laminated busbar.

Further, the thyristor heat sink extends along the vertical direction of the thyristor.

Further, at least two connecting plates are arranged on the laminated busbar, and the connecting plates extend away from the laminated busbar and to the outside of the laminated busbar, and threaded holes are provided on the connecting plates.

The beneficial effect of the utility model is that: by integrating a plurality of devices into one casing, the space is saved, the replacement is convenient, and the installation speed and safety of the power supply cabinet are improved. Used for electrical connection of various devices, compared with traditional, bulky, time-consuming and troublesome wiring methods, it can provide a modern, easy-to-design, fast-installation and clear-structured power distribution system, saving a lot of trouble in wiring ; In the installation of each device, the more easily damaged thyristor is installed on the laminated busbar, and a cooling fan corresponding to the thyristor is configured. If the thyristor is damaged, the entire laminated busbar can be directly replaced. The maintenance is convenient, and only the thyristor can be replaced, which saves cost. The three-phase trigger is separately installed at the bottom of the housing, and a large space can be reserved in the design.

Description of drawings

Fig. 1 is the schematic diagram of the back side of the rectifier assembly of the power supply cabinet according to the embodiment of the present invention;

Fig. 2 is a schematic front view of the rectifier assembly of the power cabinet according to the embodiment of the present invention;

Label description:

1. Shell; 2. Laminated busbar; 3. SCR; 4. Three-phase trigger; 5. Cooling fan;

6. Thyristor heat sink; 7. Connecting board;

Detailed ways

In order to describe the technical content, the achieved purpose and the effect of the present utility model in detail, the following will be described in conjunction with the embodiments and accompanying drawings.

The most critical idea of the utility model is that multiple devices are integrated into a housing to form a rectifier assembly, and the electrical connection is realized through stacked busbars.

Please refer to Figure 1-2, a modular structure of a power cabinet rectifier assembly, including a housing 1, a thyristor 3, a three-phase trigger 4, a cooling fan 5 and a laminated busbar 2, the laminated busbar 2 is set In the casing 1 and screwed with the casing 1, the thyristor 3 and the cooling fan 5 are respectively arranged on one side of the laminated busbar 2, and the air outlet of the cooling fan 5 is arranged corresponding to the thyristor 3, The three-phase trigger 4 is arranged on the inner bottom surface of the housing 1 .

From the above description, it can be seen that the beneficial effect of the utility model is that: by integrating multiple components into one casing, space is saved, replacement is convenient, and the installation speed and safety of the power supply cabinet are improved. The laminated busbar is used for the electrical connection of various devices. Compared with the traditional, bulky, time-consuming and troublesome wiring method, it can provide a modern, easy-to-design, fast-installation and clear-structured power distribution system, saving A lot of wiring troubles are lost; and in the installation of each device, the easily damaged thyristor is installed on the laminated busbar, and a cooling fan corresponding to the thyristor is equipped. If the thyristor is damaged, it can be replaced directly The entire laminated busbar is easy to maintain, and only the thyristor can be replaced, which saves cost. The three-phase trigger is separately installed at the bottom of the shell, and a large space can be reserved in the design.

Further, it also includes a thyristor cooling fin 6 , and the thyristor cooling fin 6 is arranged on a side of the thyristor 3 away from the stacked busbar 2 .

It can be known from the above description that by setting the thyristor heat sink 6, the heat dissipation capability of the thyristor 3 is further improved, and the stability is improved.

Further, the thyristor heat sink 6 extends along the vertical direction of the thyristor.

It can be seen from the above description that the silicon controlled silicon cooling fins 6 extending in the vertical direction are conducive to the formation of heat dissipation airflow and are more conducive to heat dissipation.

Further, at least two connecting plates 7 are arranged on the laminated busbar 2, and the connecting plates 7 extend away from the laminated busbar 2 and extend to the outside of the laminated busbar 2, and the connecting plates 7 are provided with Threaded hole.

It can be seen from the above description that the laminated busbar 2 can be screwed to the housing 1 or other components through the connecting plate 7 .

Please refer to Fig. 1-2, embodiment one of the present utility model is:

A modular structure of a power cabinet rectifier assembly, including a housing 1, a thyristor 3, a three-phase trigger 4, a cooling fan 5, and a laminated busbar 2, the laminated busbar 2 is arranged in the housing 1 and is connected with the The casing 1 is screwed, the silicon controlled rectifier 3 and the cooling fan 5 are respectively arranged on one side of the laminated busbar 2, the air outlet of the cooling fan 5 is set corresponding to the silicon controlled silicon 3, and the three-phase trigger 4 Located on the inner bottom surface of the housing 1, the thyristor heat sink 6 is disposed on the side of the thyristor 3 away from the stacked busbar 2, and the thyristor heat sink 6 is along the vertical direction of the thyristor 3 extend.

At least two connecting plates 7 are arranged on the laminated busbar 2 , the connecting plates 7 extend away from the laminated busbar 2 and extend to the outside of the laminated busbar 2 , and threaded holes are provided on the connecting plates 7 .

The three-phase trigger 4 is arranged on the inner bottom surface of the housing 1 .

To sum up, the utility model provides a modular structure of the inverter part of the power cabinet which saves space and is convenient for assembly and maintenance. The modular structure of the inverter part of the power cabinet saves space and facilitates replacement by integrating multiple devices into one housing, which improves the installation speed and safety of the power cabinet. At the same time, a stacked Busbars, used for the electrical connection of various devices, can provide a modern, easy-to-design, fast-installation and clear-structured power distribution system compared with traditional, bulky, time-consuming and troublesome wiring methods, saving a lot Wiring is troublesome; and in the installation of each device, the easily damaged thyristor is installed on the stacked busbar, and a cooling fan corresponding to the thyristor is equipped. If the thyristor is damaged, the entire stack can be directly replaced The busbar is easy to maintain, and only the thyristor can be replaced, which saves cost. The three-phase trigger is separately installed at the bottom of the shell, and a large space can be reserved in the design.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent transformations made by using the utility model specification and accompanying drawings, or directly or indirectly used in related technical fields, are all the same. The theory is included in the patent protection scope of the present utility model.

Claims (4)

1. A modular structure of a power cabinet rectifier assembly, comprising a housing, a thyristor, a three-phase trigger and a cooling fan, characterized in that it also includes a laminated busbar, which is arranged in the housing and connected to the The casing is screwed, the thyristor and the cooling fan are respectively arranged on one side of the laminated busbar, the air outlet of the cooling fan is arranged correspondingly to the thyristor, and the three-phase trigger is arranged on the inner bottom surface of the casing superior. 2 . The modular structure of the power cabinet rectifier assembly according to claim 1 , further comprising a heat sink for the thyristor, and the heat sink for the thyristor is arranged on a side of the thyristor away from the laminated busbar. 3 . 3 . The modular structure of the rectifier assembly of the power cabinet according to claim 2 , wherein the thyristor heat sink extends along the vertical direction of the thyristor. 4 . 4. The modular structure of the power cabinet rectifier assembly according to claim 1, wherein at least two connecting plates are provided on the laminated busbar, and the connecting plates extend and extend in a direction away from the laminated busbar To the outside of the laminated busbar, the connecting plate is provided with threaded holes.