CN110445399A - Modular rectifier cabinet - Google Patents

Abstract

The invention discloses a modularized rectifier cabinet, which comprises a cabinet body, a module assembly, a co-control device, an AC/DC busbar, external components of the module and accessories, and the module assembly is connected to the cabinet through a drawer slide rail assembly. connected to each other, the left and right sides of the cabinet are provided with AC and DC busbars, the coordinated control device is provided on the side of the cabinet, the external components of the module are provided on the component mounting plate in front of the cabinet, and the The accessories are all arranged on the accessory mounting plate at the lower rear of the cabinet. The modularized rectifier cabinet provided by the present invention can make the use and operation of the rectifier cabinet more reliable and the maintenance more portable on the basis of ensuring electrical performance such as output power through a reasonable structural arrangement, and improves the efficiency of the rectifier cabinet. The practicability is conducive to market promotion.

Description

Modular rectifier cabinet

technical field

The invention relates to a modularized rectifier cabinet.

Background technique

At present, rectification system design and manufacturers, when designing rectification systems, due to the large volume and large number of main components, basically adopt the form of separate cabinets, or design modules as a whole, and integrate other main circuit components Messy layout and inside the cabinet, the internal space utilization rate of the existing rectifier cabinet is low, the volume is large, the main components and power modules are poor in maintainability, and the layout is chaotic. Both are large, and its installation and disassembly are relatively difficult. The space utilization rate of the whole cabinet is low, the volume is large, and the maintainability is poor. These shortcomings make the rectifier cabinet large in size, low in reliability, high in cost, and poor in maintainability.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art. The modularized rectifier cabinet provided by the present invention can make the rectifier cabinet The use and operation of the device are more reliable, and the maintenance is more portable, which improves the practicability of the rectifier cabinet and is conducive to market promotion.

In order to solve the problems of the technologies described above, technical scheme of the present invention is:

A modular rectifier cabinet, which includes a cabinet body, a module assembly, a co-control device, an AC/DC busbar, external components and accessories of the module, the module assembly is connected to the cabinet body through a drawer slide rail assembly, and the The left and right sides of the cabinet are provided with AC and DC busbars, the coordinated control device is provided on the side of the cabinet, the external components of the module are provided on the component mounting plate in front of the cabinet, and the accessories are all provided on the Accessory mounting plate at the lower rear of the cabinet.

Further, the inside of the cabinet is provided with a module supporting beam and a module supporting vertical beam, and the module supporting vertical beam includes a pair of front side module supporting vertical beams on the front side of the cabinet and a pair of The rear side module supports vertical beams on the rear side, and the module supporting beam is arranged on the front side of the cabinet for supporting the module assembly, and the bottom of the cabinet is provided with a detachable base.

Further, the module assembly includes a module case, a socket fixing plate, and an AC rectification module and a DC isolation module arranged in the module case, and both sides of the socket fixing plate are fixed on the rear module support vertical beam Above, the rear side of the module chassis is provided with a hot-swappable terminal plug, and the socket fixing plate is provided with a hot-swappable terminal socket matched with the hot-swappable terminal plug, and the module chassis is connected with the drawer slide rail assembly. The socket fixing plate is slidably connected to realize the hot-swappable terminal plug and the hot-swappable terminal socket. The rear side of the module chassis is provided with a hot-swappable terminal plug. The terminal plug matches the plugged hot-swappable terminal socket, and the socket fixing plate is also provided with a module communication module.

Further, the drawer slide rail assembly includes a primary slide rail, a secondary slide rail and a tertiary slide rail, the primary slide rail is fixed on both sides of the module chassis, and the primary slide rail passes through the secondary slide rail Connected with the third-level slide rail, the second-level slide rail can slide in the third-level slide rail, the first-level slide rail can slide in the second-level slide rail and can be drawn out from the second-level slide rail, and the third-level slide rail can slide in the second-level slide rail. The sides of the slide rails are fixed on the rear module support vertical beams.

Further, the AC and DC busbars include AC busbars and DC busbars, cabinet lateral branches are provided on the left and right sides of the cabinet, and the DC busbars are fixed on the cabinet lateral branches on the right side of the cabinet , the AC bus bar is fixed on the cabinet lateral branch on the left side of the cabinet, and both the AC bus bar and the DC bus bar are electrically connected to the hot-swappable terminal socket.

Further, the coordinated control device is fixed on two adjacent module support beams.

Further, a smoke sensor is provided on the lateral branch of the cabinet on the left side of the cabinet, and a temperature and humidity sensor is provided on the lateral branch of the cabinet on the right side of the cabinet.

Further, the external components of the module include an AC circuit breaker, an AC EMI filter, a DC EMI filter, an insulation detector, an AC circuit breaker, a voltage relay, and an AC lightning protection device.

Further, the bottom four corners of the base are provided with casters and cabinet supporting studs, and the top four corners of the cabinet are provided with lifting lugs.

Further, the front side of the module chassis is provided with a heat dissipation assembly, the heat dissipation assembly includes a radiator inside the module and a fan, the radiator inside the module is arranged inside the front side of the module chassis, and the inside of the module A fan is fixed on the outside of the radiator, and cooling holes are provided on the module case outside the fan.

Adopt above-mentioned technical scheme, the present invention has following beneficial effect:

1. The present invention adopts a modular structure, and the module components are installed by drawer slide rails. All parts of the components can be assembled first and then installed. The structure is compact, the disassembly and maintenance are convenient, and the floor space is small;

2. The present invention can realize overall packaging and transportation, which reduces transportation costs and reduces the time and cost of on-site installation;

3. While the module assembly of the present invention adopts a standard 3U chassis size, a hot-swappable terminal structure is used for the main circuit connection, so that the module has excellent maintainability;

4. The present invention can adjust the installation quantity of module components in a portable manner, and cope with application conditions of different power levels.

Description of drawings

Fig. 1 is the structural representation of the modularized rectifying cabinet of the present invention;

Fig. 2 is the rear view of the modularized rectifying cabinet of the present invention;

Fig. 3 is the right side view of the modularized rectifying cabinet of the present invention;

Fig. 4 is the front perspective view of the modularized rectifying cabinet of the present invention;

Fig. 5 is the left perspective view of the module modularized rectifier cabinet of the present invention;

Fig. 6 is a rear perspective view of the modularized rectifier cabinet of the present invention;

7 is a perspective view of the module assembly of the present invention;

Fig. 8 is a partially enlarged view of Fig. 7 of the present invention;

9 is a perspective view of the lower front of the module assembly of the present invention;

10 is a perspective view of the lower rear of the module assembly of the present invention;

Fig. 11 is a schematic structural view of the drawer slide rail assembly of the present invention.

Detailed ways

In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

As shown in Figures 1 to 11, a modular rectifier cabinet includes a cabinet body 1, a module assembly, a co-control device 4, an AC/DC bus bar, external components and accessories of the module, and a total of 6 module assemblies 12 sets, the single module components are connected in series and then connected in parallel to the main circuit, the AC rectification module (21) is separately installed in one module component, and the DC isolation module (20) is also separately installed in another module In the group assembly, there is an electrical connection between the two module assemblies, and the AC rectifier module (21) and the DC isolation module (20) in the two module assemblies are used as a group. Install different groups of module components to achieve different power levels of working conditions, that is, 1 to 6 sets of module component power levels can be realized. The module assembly is connected to the cabinet body 1 through the drawer slide rail assembly 34. The module assembly can be pulled out from the front of the cabinet, or inserted directly from the front of the cabinet. On the side of the cabinet 1, the external components of the module are arranged on the component mounting plate 7 in front of the lower cabinet 1, and the accessories are arranged on the accessory mounting plate 31 in the lower rear of the cabinet 1. Through the reasonable arrangement at the bottom of the cabinet, the AC side incoming line is arranged in front of the cabinet, and the DC outgoing line side is arranged behind the cabinet. At the same time, the corresponding incoming line holes are opened on the bottom plate of the cabinet body 1, and the heater 35 and grounding are arranged at the bottom. Accessories such as rows.

As shown in Figures 1 to 6, the inside of the cabinet body 1 is provided with a module support beam 3 and a module support vertical beam 23, wherein the top of the module support vertical beam 23 is fixed on the cabinet body 1 through corner fittings 2, and the module support The vertical beams 23 include a pair of front side module support vertical beams 231 located at the front side of the cabinet body 1 and a pair of rear side module support vertical beams 232 located at the rear side of the cabinet body 1. The module support beams 3 are arranged on the cabinet body 1 The front side of the cabinet is used to support the module assembly, and the bottom of the cabinet (1) is provided with a detachable base (9).

As shown in Figure 7, the module assembly includes a module chassis 38 and a socket fixing plate 33, the module chassis 38 adopts a standard 3U chassis size, the two sides of the socket fixing plate 33 are fixed on the rear side module supporting vertical beam 232, and the module The group chassis 38 and the socket fixing plate 33 are connected through the drawer slide rail assembly 34, and the module assembly is provided with an AC rectification module 21 and a DC isolation module 20, and the rear side of the module chassis 38 is provided with a hot-swappable terminal plug 27 and Guide pin 384, the socket fixed plate 33 is provided with the hot-swappable terminal socket 26 that cooperates with the hot-swappable terminal plug 27, and the guide pin 384 is mated with the guide hole of the socket fixed plate 33 to ensure that the hot-swappable terminal plug 27 The hot-swappable terminal socket 26 can be quickly inserted into place, and the socket fixing plate 33 is also provided with a module communication module 25 .

As shown in Figure 11, the drawer slide rail assembly 34 includes a primary slide rail 341, a secondary slide rail 342 and a third stage slide rail 343. Level slide rail 341 links to each other with tertiary slide rail 343 by secondary slide rail 342, and secondary slide rail 342 can slide in tertiary slide rail 343, and primary slide rail 341 can slide in secondary slide rail 342 and can from The secondary slide rail 342 is drawn out, and the side of the three-stage slide rail 343 is fastened and connected to the rear module support vertical beam 232 by bolts, wherein the primary slide rail 341, the secondary slide rail 342, and the third-stage slide rail 343 can be By pressing the locking mechanism 344, the module assembly and the first-level slide rail 341 are pulled out from the cabinet 1, which facilitates the overall replacement of the module assembly and the maintenance of a single module. The first-level slide rail 341 cooperates with the secondary slide rail 342 on the cabinet body 1 and is packed into the cabinet, and then through the cooperation of the hot-swappable terminal plug and the socket behind the cabinet, the cutting-in and cutting-out of the module components are realized.

As shown in Figures 1 to 6, the AC and DC busbars include AC busbars 17 and DC busbars 6, cabinet transverse branches 37 are arranged on the left and right sides of the cabinet body 1, and the DC busbars 6 are fixed on the right side of the cabinet body 1 On the horizontal branch 37 of the cabinet body, the AC bus bar 17 is fixed on the horizontal branch 37 of the cabinet body on the left side of the cabinet body 1, and the AC and DC bus bars are fixed on the horizontal branch 37 of the cabinet body through the insulator 6 and the bus bar bracket 36. Corresponding threaded holes are set at the height of the corresponding module components for the DC bus bar, and one end of the cable is directly connected to the AC and DC bus bar through screws, and both the AC bus bar 17 and the DC bus bar 6 are electrically connected to the hot-swappable terminal socket 26, Then, the hot-swappable terminal socket 26 and the hot-swappable terminal plug 27 are mated and inserted to realize the connection between the AC and DC busbars and the module components.

As shown in Figures 3 and 4, the coordinated control device 4 is fixed on two adjacent module support beams 3, the coordinated control device 4 realizes the communication of the whole machine, and the coordinated control device 4 is paired with the modules on the module assembly. The communication module 25 is connected to the user background, and controls the switching, stopping, starting and signal alarm of the 6 sets of module components, and also includes the transmission of input and output signals.

As shown in Figures 4 and 5, a smoke sensor 19 is fixed on the lateral branch 37 of the cabinet on the left side of the cabinet 1 by screws, and an alarm will be given when the circuit and components catch fire. A temperature and humidity sensor 24 is provided for detecting the temperature and humidity of the surrounding environment.

As shown in Figures 9 and 10, the external components of the module include AC circuit breaker 8, AC EMI filter 18, DC EMI filter 32, insulation detector 14, AC circuit breaker 15, voltage relay 12 and AC lightning protection device 13, The insulation tester 14 is fixed on the component mounting plate 7 by screws, and the rest of the components are clamped on the component mounting guide rail 16. At the same time, an accessory mounting plate 31 is set at the lower and rear of the cabinet body 1, and the wire groove 29 and the terminal block 28 are installed. The accessories are installed on the accessory mounting plate 31 at the bottom and rear of the cabinet, in which the wire slot 29, the voltage relay 12 and the AC lightning protection device 13 are all snapped on the DN35 rail, the terminal block 28 is clipped on the terminal block installation rail 30, and other Components are fastened with bolts by setting corresponding support plates.

As shown in Figures 1 and 3, the bottom four corners of the base 9 are provided with casters 10 and cabinet support studs 11. The casters 10 can be screwed into the cabinet 1 through the top bolt structure, and the casters 10 are convenient for the whole cabinet to move. It is not necessary to remove the supporting studs 11 by rotating the cabinet to realize the supporting studs 11 supporting the cabinet 1, and the top four corners of the cabinet 1 are provided with lugs 22 to facilitate the lifting of the cabinet 1 from the top.

As shown in Figure 7, the front side of the module chassis 38 is provided with a cooling assembly, the cooling assembly includes a radiator 382 and a fan 383 inside the module, and the radiator 382 inside the module is arranged on the inside of the front side of the module chassis 38, the module The outside of the internal heat sink 382 is fixed with a fan 383, and the module chassis 38 outside the fan 383 has a heat dissipation hole 381.

The above specific embodiments have further described the technical problems, technical solutions and beneficial effects solved by the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (10)

1. A modular rectifier cabinet, characterized in that: it comprises a cabinet body (1), a module assembly, a co-control device (4), an AC/DC busbar, external components and accessories of the module, and the module The assembly is connected to the cabinet body (1) through the drawer slide rail assembly (34), and the left and right sides of the cabinet body (1) are provided with AC and DC bus bars, and the co-control device (4) is arranged on the side of the cabinet body (1). On the side, the external components of the module are all arranged on the component mounting plate (7) at the lower front of the cabinet body (1), and the accessories are all arranged on the accessory mounting plate (31) at the lower rear of the cabinet body (1). 2. The module modularized rectifier cabinet according to claim 1, characterized in that: the inside of the cabinet body (1) is provided with a module support beam (3) and a module support vertical beam (23), the The module support vertical beam (23) comprises a pair of front side module support vertical beams (231) positioned at the front side of the cabinet body (1) and a pair of rear side module support vertical beams (231) positioned at the cabinet body (1) rear side ( 232), the module supporting beam (3) is arranged on the front side of the cabinet (1) for supporting the module assembly, and the bottom of the cabinet (1) is provided with a detachable base (9). 3. The module modularized rectifier cabinet according to claim 2, characterized in that: the module assembly includes a module chassis (38), a socket fixing plate (33) and a socket set in the module chassis (38) AC rectification module (21), DC isolation module (20), the two sides of described socket fixing plate (33) are fixed on the rear side module support vertical beam (232), described module chassis (38) The rear side is provided with a hot-swappable terminal plug (27), the socket fixing plate (33) is provided with a hot-swappable terminal socket (26) matched with the hot-swappable terminal plug (27), and the module chassis (38 ) is slidably connected to the socket fixing plate (33) through the drawer slide rail assembly (34) to realize the mating insertion of the hot-swappable terminal plug (27) and the hot-swappable terminal socket (26), and the module chassis (38) The rear side of the hot-swappable terminal plug (27) is provided, and the socket fixing plate (33) is provided with a hot-swappable terminal socket (26) mated with the hot-swappable terminal plug (27), and the socket is fixed A module communication module (25) is also arranged on the board (33). 4. The modularized rectifying cabinet according to claim 3, characterized in that: the drawer slide rail assembly (34) includes a primary slide rail (341), a secondary slide rail (342) and a tertiary slide rail (343), the first-level slide rail (341) is fixed on both sides of the module cabinet (38), and the first-level slide rail (341) passes through the second-level slide rail (342) and the third-level slide rail (343) connected, the secondary slide rail (342) can slide in the tertiary slide rail (343), and the primary slide rail (341) can slide in the secondary slide rail (342) and can slide from the secondary slide rail Extract out in (342), the side of described tertiary slide rail (343) is fixed on the rear side module support vertical beam (232). 5. The modularized rectifier cabinet according to claim 1, characterized in that: the AC and DC busbars include AC busbars (17) and DC busbars (6), and the left and right sides of the cabinet body (1) Cabinet transverse branches (37) are arranged on both sides, the DC busbar (6) is fixed on the cabinet transverse branch (37) on the right side of the cabinet (1), and the AC busbar (17) is fixed on On the cabinet lateral branch (37) on the left side of the cabinet (1), the AC busbar (17) and the DC busbar (6) are both electrically connected to the hot-swappable terminal socket (26). 6. The modularized rectifier cabinet according to claim 1, characterized in that: the co-control device (4) is fixed on two adjacent module support beams (3). 7. The modularized rectifying cabinet according to claim 5, characterized in that: a smoke sensor (19) is provided on the cabinet lateral branch (37) on the left side of the cabinet (1), and the cabinet A temperature and humidity sensor (24) is arranged on the cabinet body cross branch (37) on the right side of the body (1). 8. The module modularized rectifier cabinet according to claim 1, characterized in that: the external components of the module include an AC circuit breaker (8), an AC EMI filter (18), a DC EMI filter (32), Insulation tester (14), AC circuit breaker (15), voltage relay (12) and AC lightning protection device (13). 9. The modularized rectifier cabinet according to claim 2, characterized in that: casters (10) and cabinet support studs (11) are provided at the four corners of the bottom of the base (9), and the cabinet body The top four corners of (1) are all provided with lifting lugs (22). 10. The module modular rectifier cabinet according to claim 3, characterized in that: the front side of the module chassis (38) is provided with a heat dissipation assembly, and the heat dissipation assembly includes a module internal radiator (382) and A fan (383), the internal radiator (382) of the module is arranged on the inside of the front side of the module chassis (38), and a fan (383) is fixed on the outside of the radiator (382) inside the module, and the fan (383) Have cooling hole (381) on the module case (38) of (383) outside.