CN214707496U

CN214707496U - High-power high-frequency switching power supply assembly structure

Info

Publication number: CN214707496U
Application number: CN202120611694.8U
Authority: CN
Inventors: 周勇; 黎兴炼; 张崎; 朱月红
Original assignee: Jiujiang Liyuan Rectifier Equipment Co ltd
Current assignee: Jiangxi Liyuan Haina Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-11-12
Anticipated expiration: 2031-03-25

Abstract

The utility model is suitable for a power supply unit equipment technical field provides a high-power high frequency switching power supply assembly structure, including the rack, be equipped with control system, a plurality of unit machine modules and busbar in the rack, control system is used for controlling a plurality of unit machine modules, and a plurality of unit machine modules are located the inside of rack, and a plurality of unit machine modules on the same direction all connect on the busbar, and a plurality of unit machine modules connect in parallel each other through the busbar; a plurality of unit machine modules are simultaneously installed in the cabinet, a plurality of unit machine modules are combined into a power supply, the cabinet is compact in structure, small in occupied space and convenient for planning and using fields, the unit machine modules are connected in parallel through busbars, current balance is good, meanwhile, the unit machine modules are arranged in a centralized mode through the cabinet, and the problems that field installation is complex and users are inconvenient to carry are solved.

Description

High-power high-frequency switching power supply assembly structure

Technical Field

The utility model belongs to the technical field of power supply unit equipment, concretely relates to high-power high frequency switching power supply assembly structure.

Background

The high-frequency switching power supply is also called as a switching mode rectifier SMR, the conventional synchronous rectification high-frequency switching power supply mostly adopts a single-body structure, so that the power promotion is limited, the single-body capacity cannot be very large due to the limitation of electronic elements, the single-body capacity is below 60KVA at present, single-body superposition is required to obtain large capacity, and a plurality of switching power supplies are operated simultaneously, so that the operation floor space is large, the current balance degree is poor, the field installation is complex, the maintenance difficulty is increased, and the operation efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a high-power high frequency switching power supply assembly structure.

The utility model discloses a realize like this: the utility model provides a high-power high frequency switching power supply assembly structure, includes the rack, be equipped with control system, a plurality of unit machine module and busbar in the rack, control system is used for controlling a plurality of unit machine module, a plurality of unit machine module is located the inside of rack, it is ascending a plurality of in same direction unit machine module all connect in on the busbar, a plurality of unit machine module passes through the busbar is parallelly connected each other.

Further, the control system comprises a plurality of miniature circuit breaker groups and a molded case circuit breaker, each miniature circuit breaker group is connected with one molded case circuit breaker, each miniature circuit breaker group comprises a plurality of miniature circuit breakers, and each miniature circuit breaker is connected with one side of the unit machine module.

Furthermore, a plurality of installation grids in a matrix are arranged in the cabinet, a drawer is arranged in each installation grid, and the unit machine module is arranged in the drawer.

Furthermore, 3-4 rows of installation grids are arranged in the cabinet, and 6-8 installation grids are arranged in each row of installation grids.

Furthermore, the bus bar is vertically arranged in the cabinet, and a part of the bus bar extends out of the top of the cabinet so as to be conveniently connected with field power.

Further, still be equipped with cooling system in the rack, cooling system includes the cooling tube, be equipped with water inlet and a plurality of rather than communicating water connectors on the lateral wall of cooling tube, the one end of cooling tube is equipped with the gas vent, the other end of cooling tube is close to one side of water inlet is equipped with the row cinder notch.

Furthermore, the cooling system is vertically arranged at the rear of the unit machine module, the exhaust port is arranged at the top of the cabinet, and the water inlet is arranged at the bottom of the cabinet and close to the slag discharge port arranged at the bottom of the cabinet.

Furthermore, each water outlet joint is arranged between two adjacent unit machine modules.

Furthermore, a cabinet door is hinged at the rear end of the cabinet.

Furthermore, the unit machine module is matched with a miniature circuit breaker, and the distances from all the unit machine modules to the matched miniature circuit breaker are equal.

The utility model provides a pair of high-power high frequency switching power supply assembly structure installs a plurality of unit machine modules simultaneously in the rack, and multiunit unit machine module group becomes a power, and rack compact structure occupies a small space, conveniently plans and uses the place, and a plurality of unit machine modules are still all parallelly connected through the busbar for the electric current equilibrium is good, and on the other hand, a plurality of unit machine modules pass through the rack and concentrate and arrange, have solved the field installation complicacy, the inconvenient problem of user's transport.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention.

Fig. 1 is a front perspective view of the present invention.

Fig. 2 is a schematic view of a rear-view three-dimensional structure provided by the present invention.

Fig. 3 is a schematic view of a rear view structure provided by the present invention.

Fig. 4 is a schematic view of the rear view structure of the cabinet provided with the cabinet door.

Fig. 5 is a schematic structural diagram of the cooling system of the present invention.

The reference numbers illustrate: 1. a cabinet; 11. installing grids; 12. a drawer; 2. a control system; 21. a miniature circuit breaker; 22. a molded case circuit breaker; 3. a cell machine module; 4. a bus bar; 5. a cooling system; 51. a cooling tube; 52. a water inlet; 53. a water outlet joint; 54. an exhaust port; 55. a slag discharge port; 6. a cabinet door.

Detailed Description

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 are not intended to limit the invention.

Referring to fig. 1 to 5, in order to disclose a high power high frequency switch power supply assembly structure, including a cabinet 1, a control system 2, a plurality of unit modules 3 and a bus bar 4 are disposed in the cabinet 1, the control system 2 is used for controlling the plurality of unit modules 3, further, the control system 2 includes a plurality of micro circuit breakers and a molded case circuit breaker 22, each micro circuit breaker is connected to one molded case circuit breaker 22, each micro circuit breaker includes a plurality of micro circuit breakers 11, one side of each unit module 3 is connected to one micro circuit breaker 21, specifically, the micro circuit breaker 21 is used for cutting off the current of the unit module 3 in a normal loop, when a fault occurs, the micro circuit breaker 21 corresponding to the unit module 3 can be closed without affecting the operation of other unit modules 3, the electrified maintenance is realized, the maintenance is convenient, and the maintenance cost is greatly reduced. On the other hand, the cell machine module 3 is matched with a miniature circuit breaker 21, and the distances from all the cell machine modules 3 to the matched miniature circuit breakers 21 are equal, that is, the lengths of the output power wires of all the cell machine modules 3 are consistent, so that the cell machine modules 3 can be conveniently maintained and replaced.

The plurality of unit machine modules 3 are arranged inside the cabinet 1, a plurality of groups of unit machine modules 3 are combined into a power supply, the cabinet 1 has a compact structure and small occupied space, and is convenient for planning and using fields, concretely, a plurality of installation grids 11 which are in a matrix are arranged in the cabinet 1, a drawer 12 is arranged in each installation grid 11, the unit machine modules 3 are arranged in the drawers 12, the drawers 12 can slide back and forth through the installation grids 11, namely, the unit machine modules 3 can be checked or maintained by drawing out the corresponding drawers 12 through forward sliding, furthermore, in order to avoid the phenomenon that the unit machine modules 3 shake randomly during operation, threaded holes which are matched with each other are arranged on each drawer 12 and each installation grid 11, the drawers 12 and the installation grids 11 are fixed through external screws, and therefore a stable operation environment is provided for the unit machine modules 3, at the same time, the operator can slide the drawer 12 by removing the screws, wherein, preferably but not limited to: the technical scheme is that 3-4 rows of installation grids 11 are arranged in the cabinet 1, each row of installation grids 11 is provided with 6-8 installation grids 11, so that the size of the cabinet 1 is maximized, meanwhile, the operation personnel can conveniently inspect and maintain each unit machine module 3, in order to further improve maintenance efficiency, the molded case circuit breaker 22 controls the current starting state of the unit machine module 3 by switching on and off the current on the miniature circuit breaker 21, each molded case circuit breaker 22 preferably but not limited to can simultaneously control 6-8 miniature circuit breakers 21 on the same row, but when the unit machine modules 3 simultaneously break down, the corresponding molded case circuit breaker 22 can be closed to simultaneously close the plurality of unit machine modules 3, and maintenance efficiency is improved.

The unit machine modules 3 in the same direction are all connected to the bus bar 4, further, the bus bar 4 is vertically arranged in the cabinet 1, and a part of the bus bar 4 extends out of the top of the cabinet 1 to facilitate connection with field power, a plurality of the unit machine modules 3 are connected in parallel with each other through the bus bar 4, specifically, the unit machine modules 3 in each column of 6-8 are connected in parallel with each other through the bus bar 4, that is, each bus bar 4 bears the stacked capacity of 6-8 unit machine modules 3, specifically but not limited to, the total capacity on each bus bar 4 is 1440-1920 KVA, and the requirement of most customers for high-power supplies is met within a safe use range.

Furthermore, a cooling system 5 is further arranged in the cabinet 1, the cooling system 5 includes a cooling pipe 51, a water inlet 52 and a plurality of water outlet connectors 53 communicated with the water inlet 52 are arranged on the side wall of the cooling pipe 51, an exhaust port 54 is arranged at one end of the cooling pipe 51, a slag discharge port 55 is arranged at one side of the other end of the cooling pipe 51 close to the water inlet 52, further, the cooling system 5 is vertically arranged behind the unit modules 3, the exhaust port 54 is arranged at the top of the cabinet 1, the water inlet 52 is arranged at the bottom of the cabinet 1, the slag discharge port 55 is arranged close to the bottom of the cabinet 1, as shown in fig. 5, cold water enters the cooling pipe 51 from the water inlet 52 at the bottom, and flows to the corresponding position of each unit module 3 through the plurality of water outlet connectors 53 connected with an external pipeline, the effect of timely cooling and heat dissipation is achieved, meanwhile, gas in the cooling pipe 51 can be discharged from the air outlet 54 under the pushing of cooling, the cooling pipe 51 is prevented from being blocked, the cooling pipe 51 is prevented from being broken or exploded due to overlarge air pressure in the cooling pipe 51, the use safety hidden danger is greatly reduced, in addition, the slag discharge port 55 is arranged in front of the water inlet 52, and a structure similar to a filter screen is arranged in the cooling pipe 51 in front of the slag discharge port 55, cool water is filtered, filter residue is discharged from the slag discharge port 55 through the pushing of the cool water, the waste slag in the cool water is prevented from blocking the cooling pipe 51, preferably, each water outlet joint 53 is arranged between the two adjacent unit machine modules 3, so that the manufacturing cost is reduced and the cooling path of each unit machine module 3 is balanced, thereby ensuring a good cooling effect.

Furthermore, the rear end of the cabinet 1 is hinged with a cabinet door 6, so that the control system 2 and the cooling system 5 behind the cabinet 1 are protected, and meanwhile, the maintenance operation of operators is facilitated.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-power high frequency switching power supply assembly structure, includes rack (1), its characterized in that: be equipped with control system (2), a plurality of cell machine module (3) and busbar (4) in rack (1), control system (2) are used for controlling a plurality of cell machine module (3), a plurality of cell machine module (3) are located the inside of rack (1), a plurality of in same direction cell machine module (3) all connect in on busbar (4), a plurality of cell machine module (3) pass through busbar (4) are parallelly connected each other.

2. The assembly structure of the high-power high-frequency switch power supply according to claim 1, wherein: control system (2) include a plurality of miniature circuit breaker group and a plurality of moulded case circuit breaker (22), each miniature circuit breaker group connects one moulded case circuit breaker (22), each miniature circuit breaker group includes a plurality of miniature circuit breaker (21), each the rear end of unit machine module (3) all is connected with one miniature circuit breaker (21).

3. The high-power high-frequency switching power supply assembly structure according to claim 2, wherein: the cabinet is characterized in that a plurality of installation grids (11) which are in a matrix are arranged in the cabinet (1), a drawer (12) is arranged in each installation grid (11), and the unit machine module (3) is arranged in the drawer (12).

4. A high power high frequency switching power supply assembly structure according to claim 3, characterized in that: 3-4 rows of installation grids (11) are arranged in the cabinet (1), and 6-8 installation grids (11) are arranged in each row of installation grids (11).

5. The assembly structure of the high-power high-frequency switch power supply according to claim 1, wherein: the bus bar (4) is vertically arranged in the cabinet (1), and a part of the bus bar (4) extends out of the top of the cabinet (1) so as to be connected with field power conveniently.

6. The assembly structure of the high-power high-frequency switch power supply according to claim 1, wherein: still be equipped with cooling system (5) in rack (1), cooling system (5) include cooling tube (51), be equipped with water inlet (52) and a plurality of communicating water connectors (53) rather than on the lateral wall of cooling tube (51), the one end of cooling tube (51) is equipped with gas vent (54), the other end of cooling tube (51) is close to one side of water inlet (52) is equipped with row cinder notch (55).

7. The high-power high-frequency switching power supply assembly structure according to claim 6, wherein: cooling system (5) are vertical to be located the rear of unit machine module (3), gas vent (54) are located the top of rack (1), water inlet (52) are located the bottom of rack (1) just row cinder notch (55) are close to the bottom setting of rack (1).

8. The high power high frequency switching power supply assembly structure of claim 7, wherein: each water outlet joint (53) is arranged between two adjacent unit machine modules (3).

9. A high power high frequency switching power supply assembly structure according to claim 3, characterized in that: the rear end of the cabinet (1) is hinged with a cabinet door (6).

10. The high-power high-frequency switching power supply assembly structure according to claim 2, wherein: the unit machine module (3) is matched with a miniature circuit breaker (21), and the distances from all the unit machine modules (3) to the matched miniature circuit breaker (21) are equal.