CN114336131B - A centralized power supply cabinet - Google Patents

Abstract

The invention discloses a centralized power supply cabinet, which comprises a cabinet body and a fixing assembly arranged in the cabinet, a copper bar module is detachably connected to the fixing assembly, and a copper bar module set in the cabinet for A power connection module for the server to take power, the power connection module includes a retractable terminal head, and the terminal head is electrically connected to the copper bar module. The above-mentioned centralized power supply cabinet can cope with various forms and depths of server power supply, so as to meet the customer's requirements for the use of centralized power supply. Cabinets can also save a lot of construction costs for customers.

Description

A centralized power supply cabinet

technical field

The invention relates to the technical field of server power supply, in particular to a centralized power supply cabinet.

Background technique

At present, the power supply of the server is generally implemented through a PSU (Power Supply Unit, power supply module). There are many types of PSUs, but the most common one is a standard CRPS (Common Redundant Power Supplies) power supply. Among them, the power supply of the 19-inch server cabinet is that the mains power is connected to the PSU of the node through the rear PDU (Power Distribution Unit, power distribution unit) for power conversion and supply to the node, while the 21-inch server cabinet usually uses the form of centralized power supply, that is, The centralized power supply module in the mains access cabinet performs power conversion and then outputs to the rear copper bar, and each node connects to the copper bar to obtain power. From the perspective of subsequent maintenance, failure rate and cost, the centralized power supply is the best form way of doing.

In the prior art, since the centralized power supply can reduce subsequent maintenance costs, more and more customers want to adopt the centralized power supply mode. However, considering the cost factor, customers cannot completely re-customize new cabinets. Therefore, the usual methods include: adding or modifying the existing standard cabinets to centralized power supply to achieve the purpose of centralized power supply. However, the existing modification methods often use fixed copper bars or power modules for 19-inch server cabinets. Since the structural designs of 19-inch server cabinets of various manufacturers are different, 19-inch server cabinets do not all have the same side. The wall structure can share the installation components, and the PSU positions of the nodes are not exactly the same. With the increasing requirements of customers, a single fixed copper bar or power module cannot meet the requirements of converting a standard cabinet into a centralized power supply. form.

Therefore, it is a technical problem that those skilled in the art need to solve at present how to avoid the use of a single fixed copper bar or power module that cannot meet the requirements of customers for the use of cabinets with centralized power supply.

Contents of the invention

The purpose of the present invention is to provide a centralized power supply cabinet, which can cope with various forms and depths of server power supply, so as to meet the customer's requirements for centralized power supply.

In order to achieve the above object, the present invention provides a centralized power supply cabinet, which includes a cabinet body and a fixing assembly arranged in the cabinet, the copper bar module is detachably connected to the fixing assembly, and also includes a In the body, there is a power connection module for the server to take power. The power connection module includes a retractable terminal head, and the terminal head is electrically connected to the copper bar module.

Optionally, the fixing assembly includes a vertical bar arranged in the cabinet and a horizontal bar detachably connected to the vertical bar, and the copper bar module is detachably connected to the horizontal bar.

Optionally, the number of the vertical bars is two, and the two vertical bars are respectively detachably connected to two opposite inner walls of the cabinet body.

Optionally, the vertical bar is provided with square holes evenly distributed in the vertical direction, the vertical bar is provided with a cage nut, and the horizontal bar is fixed to the cage nut by screws.

Optionally, the number of the crossbars is three, and the three crossbars are fixed to the top, middle and bottom of the vertical bars respectively.

Optionally, the copper bar module includes a protective case and a copper bar disposed inside the protective case, and the protective case is provided with three connecting pieces respectively connected to the cross bars in one-to-one correspondence.

Optionally, the power connection module further includes a housing and a connection board disposed in the housing and used to electrically connect to the server main board, and the terminal head is electrically connected to the connection board through a cable;

A telescopic arm is arranged inside the housing, one end of the telescopic arm is connected to the housing, and the other end is connected to the terminal head, and the cable is fixed on the telescopic arm along the telescopic arm.

Optionally, the telescopic arm includes a plurality of telescopic rods, any two adjacent telescopic rods are hinged, and the telescopic rod at the head of the telescopic arm is hinged to the terminal head, and the tail of the telescopic arm The telescopic rod is hinged to the housing.

Optionally, the terminal head includes a terminal head body and a fixing sleeve provided on the terminal head body, the two side walls of the fixing sleeve are provided with second elastic pieces, and the copper bar module is provided with There is a slot, and any one of the second elastic pieces is provided with a hook engaged with the slot.

Optionally, one end of the second elastic piece is affixed to the fixing sleeve, the other end of the second elastic piece is provided with a pressing portion, and soft glue is provided on the pressing portion.

With respect to the above-mentioned background technology, the centralized power supply cabinet provided by the embodiment of the present invention includes a cabinet body, a fixing component and a copper bar module, wherein the fixing component is arranged in the cabinet, and the copper bar module is detachably connected to the fixing component ; Further, the centralized power supply cabinet also includes a power connection module, the power connection module is arranged in the server in the cabinet, the power connection module is connected to the copper bar module for the server to take power, the power connection module includes a retractable The terminal head is electrically connected to the copper bar module. In this way, on the one hand, the copper bar module is detachably connected to the cabinet, which is convenient for adjustment according to the position of the power connection module of the server chassis; on the other hand, the terminal head of the power connection module is set as a retractable terminal That is, by elongating the terminal head to facilitate fixed connection with the copper busbar module at the rear of the cabinet, the retractable terminal head can match the copper busbar module at different positions to meet the power-taking requirements of the server. In the embodiment of the present invention, the server is connected to the copper bar module through the rear power supply connection module to obtain power. Compared with the traditional method of only relying on a single fixed copper bar or power supply module, the In the centralized power supply cabinet, the structural design of the copper bar module can be easily installed on a 19-inch cabinet that meets the EIA standard, and the copper bar module is detachably connected to the cabinet, which is convenient for adjustment according to the position of the power connection module of the server chassis ; Then, the original CRPS PSU of the server can be directly replaced by the matching power connection module. The retractable terminal head of the power connection module can match the copper bar modules in different positions, so as to meet the power requirements of the server. The above-mentioned centralized power supply cabinet can cope with various forms and depths of server power supply, so as to meet the customer's requirements for the use of centralized power supply. Cabinets can also save a lot of construction costs for customers.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a schematic structural view of a centralized power supply cabinet provided by an embodiment of the present invention;

Figure 2 is a schematic diagram of the assembly structure of the vertical bars in the cabinet;

Figure 3 is a schematic diagram of the installation of vertical bars, horizontal bars and copper bar modules;

Fig. 4 is a schematic diagram of the assembly structure of the vertical bar and the cage nut;

Fig. 5 is the assembly structure schematic diagram of vertical bar and cross bar;

Figure 6 is an exploded view of the copper bar module;

Fig. 7 is a schematic diagram of the assembly structure of the copper bar module, the horizontal bar and the vertical bar;

Figure 8 is a front view of the cabinet with the copper bar module installed;

9 is a schematic diagram of the external structure of the power connection module;

FIG. 10 is a schematic diagram of a power connection module installed on a server;

Figure 11 is an exploded view of the power connection module;

Figure 12 is a schematic diagram of the retracted state of the telescopic arm;

Figure 13 is a schematic diagram of the extended state of the telescopic arm;

Figure 14 is an exploded view of the terminal head;

Figure 15 is a schematic diagram of the connection between the terminal head and the rear copper bar module after stretching;

Figure 16 is a schematic diagram of the fixed connection between the copper bar module and the terminal head in the cabinet;

Fig. 17 is a schematic diagram of exiting the terminal head;

Figure 18 is a schematic diagram of the installation of multiple copper bar modules;

Fig. 19 is a cross-sectional schematic view of the cabinet body when multiple copper busbar modules are installed.

in:

1-cabinet body, 2-vertical bar, 201-square hole, 202-cage nut, 3-horizontal bar, 301-screw, 4-copper bar module, 401-protective shell, 4011-slotted, 402-copper Row, 403-connector, 5-power connection module, 501-top cover, 502-shell, 503-connecting plate, 504-first shrapnel, 505-telescopic arm, 5051-telescopic rod, 506-terminal head, 5061 -Terminal head body, 5062-fixing kit, 5063-second shrapnel, 5064-hook, 5065-soft rubber, 6-server, 7-centralized power supply module, 8-baffle.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

It should be noted that the orientation words such as "upper end, lower end, left side, and right side" mentioned below are all defined based on the drawings in the description.

As shown in Figure 1, the centralized power supply cabinet provided by the embodiment of the present invention can achieve the purpose of centralized power supply. The centralized power supply cabinet includes a cabinet body 1, a fixed assembly and a copper bar module 4, wherein the fixed assembly is arranged on the cabinet body 1 Inside, the copper bar module 4 is detachably connected to the fixing assembly. Further, the centralized power supply cabinet also includes a power connection module 5, the power connection module 5 is arranged in the server 6 in the cabinet body 1, the power connection module 5 is connected to the copper bar module 4, for the server 6 to take power, the power supply The connection module 5 includes a retractable terminal head 506 , and the terminal head 506 is electrically connected to the copper bar module 4 .

The entire cabinet is powered by a central centralized power supply module 7 (Power shelf), and the server 6 in the cabinet is connected to the copper bar module 4 through the power connection module 5 at the rear to obtain power.

In this way, on the one hand, the copper bar module 4 is detachably connected to the cabinet, which is convenient for adjustment according to the position of the power connection module 5 of the server 6; on the other hand, the terminal head 506 of the power connection module 5 is set to The telescopic terminal head 506, that is, by elongating the terminal head 506 to facilitate fixed connection with the copper bar module 4 at the rear of the cabinet, the telescopic terminal head 506 can match the copper bar module 4 in different positions, thereby satisfying The power-taking requirement of server 6.

In the embodiment of the present invention, the server 6 is connected to the copper bar module 4 through the rear power supply connection module 5 to obtain power. Compared with the traditional method of only relying on a single fixed copper bar 402 or power module In the centralized power supply cabinet provided by the example, the structural design of the copper bar module 4 can be easily installed on a 19-inch cabinet that meets the EIA standard, and the copper bar module 4 is detachably connected to the cabinet, so that it is convenient to connect according to the power supply of the server 6. The position of the module 5 is adjusted; then the original CRPS PSU of the server 6 can be directly replaced by the matching power connection module 5, and the retractable terminal head 506 of the power connection module 5 can be matched with copper bar modules in different positions Group 4, so as to meet the power-taking requirements of server 6.

The above-mentioned centralized power supply cabinet can cope with various forms and depths of server 6 power supply, so as to meet the requirements of customers for the use of centralized power supply. Cabinets can also save a lot of construction costs for customers.

Specifically, the fixing assembly can be set to be detachably connected to the cabinet body 1, such as connecting with the cabinet body 1 through a detachable connector (bolt/screw, etc.), and the fixing assembly includes a vertical bar 2 and a horizontal bar 3, wherein , the vertical bar 2 is arranged in the cabinet body 1, the horizontal bar 3 is detachably connected to the vertical bar 2, and the copper bar module 4 is detachably connected to the horizontal bar 3.

In this way, the position of the vertical bar 2 can be adjusted along the depth direction of the cabinet body 1 as required, and the position of the copper bar module 4 can be adjusted along the axial direction of the cross bar 3, which is convenient for servers 6 of different sizes and structures to achieve centralized power supply. Purpose.

Preferably, the number of vertical bars 2 is two, and the two vertical bars 2 are respectively detachably connected to two opposite inner walls of the cabinet body 1; the vertical bars 2 are provided with square holes 201 evenly distributed vertically ,as shown in picture 2.

A cage nut 202 is arranged on the vertical bar 2 , and the horizontal bar 3 is fixedly connected to the cage nut 202 by a screw 301 . The number of crossbars 3 is set to three, and the three crossbars 3 are fixedly connected to the top, middle and bottom of the vertical bar 2 respectively.

As shown in FIG. 3 , during installation, the three horizontal bars 3 are installed on the vertical bars 2 first, and then the copper bar module 4 is installed on the three horizontal bars 3 . Specifically, as shown in Figure 4 and Figure 5, the cage nut 202 is first installed on the vertical bar 2, and then the cross bar 3 can be fixed on the vertical bar 2 with screws 301, and the installation methods of the three cross bars 3 are the same , the left, right and middle positions of any cross bar 3 are provided with screw holes for fixing the copper bar module 4.

It should be noted that, as shown in FIG. 6 , the above-mentioned copper bar module 4 includes a protective shell 401 and a copper bar 402 , the copper bar 402 is arranged inside the protective shell 401 , and the protective shell 401 is provided with three parts respectively connected to the cross bar 3 . A corresponding connecting piece 403 , the protective shell 401 is used to prevent people or objects from touching the copper bar 402 by mistake.

Of course, according to actual needs, as shown in FIG. 7 , the three connecting pieces 403 of the copper bar module 4 can be tightly connected with the cross bar 3 by using screws.

As shown in Figure 8, it is a front view of the cabinet with the copper bar module 4 installed, except for the space occupied by the upper, middle and lower cross bars 3 and the centralized power supply module 7, the rest of the space in the cabinet body 1 can be used for Install Server 6 to use.

As shown in Figure 9, it is a schematic diagram of the external structure of the power connection module 5. The power connection module 5 also includes an outer shell 502, and the size of the shell 502 conforms to the PSU size of the CRPS, so as to facilitate the replacement of the PSU on the original server 6. (Power Supply Unit, power module).

The schematic diagram of the power connection module 5 installed on the server 6 is shown in Figure 10. It should be noted that the server 6 generally has two power connection modules 5, and after improvement, only one power connection module 5 is required to replace one of the power connection modules 5. The power supply can be realized by the PSU, and the other position can be shielded by the baffle plate 8 .

As shown in Figure 11, in order to facilitate the server 6 to take power, the power connection module 5 also includes an upper cover 501 connected to the casing 502 and a connection plate 503 arranged in the casing 502, wherein the connection plate 503 is specifically a golden finger connection plate 503, the connection board 503 is used to electrically connect with the main board of the server 6, and the terminal head 506 is electrically connected with the connection board 503 through a cable; specifically, the rear end of the golden finger connection board 503 can be inserted into the slot of the main board, and the inner Connect with the cable, wherein one end of the cable is connected to the golden finger connecting plate 503 and the other end is connected to the terminal head 506 .

At the same time, the side of the casing 502 is provided with a first elastic piece 504 , which also conforms to CRPS. When the power connection module 5 is inserted into the server 6 , the first elastic piece 504 can be used to hook the casing of the server 6 .

In addition, a telescopic arm 505 is disposed inside the housing 502 , one end of the telescopic arm 505 is connected to the housing 502 , and the other end is connected to the terminal head 506 , and the cable is fixed on the telescopic arm 505 along the telescopic arm 505 .

Specifically, the telescopic arm 505 includes a plurality of telescopic rods 5051, any two adjacent telescopic rods 5051 are hinged, and the telescopic rod 5051 at the head of the telescopic arm 505 is hinged to the terminal head 506, and the telescopic rod 5051 at the tail of the telescopic arm 505 Hinged to the shell 502.

As shown in FIG. 12 , it is a schematic diagram of the retracted state of the telescopic arm 505 .

As shown in FIG. 13 , it is a schematic diagram of the extended state of the telescopic arm 505 .

When the telescopic arm 505 is not stretched out, the telescopic arm 505 and the cable are folded and stored in the casing 502. When the power needs to be connected, the terminal head 506 can be pulled out backward, because the inner end of the telescopic arm 505 is fixed on the casing 502 , the outer end is connected to the terminal head 506, therefore, the telescopic arm 505 will straighten and extend after being pulled out.

As shown in Figure 14, the terminal head 506 includes a terminal head body 5061 and a fixing sleeve 5062 arranged on the terminal head body 5061. Both side walls of the fixing sleeve 5062 are provided with second elastic pieces 5063. A slot 4011 is provided, and any second elastic piece 5063 is provided with a hook 5064 engaged with the slot 4011 .

Among them, the fixing kit 5062 is used to fix the terminal head body 5061 to facilitate the connection between the terminal head body 5061 and the telescopic arm 505; there are protruding iron pieces on the left and right sides of the head of the fixing kit 5062, and the protruding iron pieces can be snapped into the copper bar In the protective shell 401 of the module 4, there are two second elastic pieces 5063, and the two second elastic pieces 5063 are respectively connected to the protruding iron pieces on the left and right sides.

In addition, one end of the second elastic piece 5063 is fixedly connected to the protruding iron piece, and the other end of the second elastic piece 5063 is provided with a pressing part, and a soft rubber 5065 is provided on the pressing part, and the pressing part and the soft rubber 5065 can facilitate the pressing operation of personnel.

As shown in Figure 15, the terminal head 506 is stretched away from the rear end of the server 6 and connected to the rear copper bar module 4, and the left and right protruding iron pieces of the terminal head 506 can just be snapped into the protective shell 401 of the copper bar module 4 and fixed.

As shown in Figure 16, the copper bar module 4 in the cabinet 1 is fixed to the terminal head 506. It can be seen that the protective shell 401 of the copper bar module 4 has a slot 4011, and the second elastic piece on the terminal head 506 The hook 5064 of 5063 is snapped and fixed on the slot 4011 of the protective case 401 .

As shown in Figure 17, when the terminal head 506 withdraws, it can be seen that the hook 5064 can be separated from the slot 4011 of the protective shell 401 by pressing the soft rubber 5065 part of the left and right second elastic pieces 5063. The head 506 can be pulled out to disengage from the copper bar module 4 .

As shown in Figure 18, it can be seen that as another embodiment, multiple copper bar modules 4 can also be provided, and only more screw holes need to be added on the top of the cross bar 3 to achieve left, middle, right Copper busbar modules 4 can be installed on both sides. When the power supply capacity of a single copper busbar module 4 is not enough, copper busbar modules 4 in other positions can be installed together for power supply. The setting of multiple copper busbar modules 4 can meet the power supply requirements. .

As shown in Figure 19, since the installation position of the power connection module 5 of the server 6 can be adjusted as required, for the server 6, there are mainly three positions for installing the power connection module 5. At present, in the embodiment , copper bar module 4 can be installed at the rear corresponding to these 3 positions, such flexible adjustment can make the centralized power supply cabinet provided by the embodiment of the present invention adapt to the design of different servers 6, and make the scheme of refitting centralized power supply more versatile high.

To sum up, the centralized power supply cabinet provided by the embodiment of the present invention adopts a brand new cabinet structure design to solve the problem that the server 6 cannot be easily installed on other 19-inch standard cabinets. The present invention proposes to pass through the rear square hole 201 of the 19-inch standard The copper bar module 4 for centralized power supply is installed on the strip, and the existing entire cabinet and nodes can be refitted through the collocated scalable power supply connection module 5. The above-mentioned adjustable design also makes the present invention It can be adapted to PSU configurations at different positions of the server 6, even if the depth of the server 6 chassis is different, it can also be connected to power through the scalable power connection module 5, so as to meet the power demand of the cabinet.

It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such relationship between these entities. Actual relationship or sequence.

The centralized power supply cabinet provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principles and implementation modes of the present invention, and the descriptions of the above embodiments are only used to help understand the solutions and core ideas of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (6)

1. The centralized power supply cabinet is characterized by comprising a cabinet body (1) and a fixing assembly arranged in the cabinet body (1), wherein the fixing assembly is detachably connected with a copper bar module (4), the centralized power supply cabinet also comprises a power supply connection module (5) which is arranged in the cabinet body (1) and is used for supplying power to a server (6), the power supply connection module (5) comprises a telescopic terminal head (506), and the terminal head (506) is electrically connected with the copper bar module (4);

the power supply connection module (5) further comprises a shell (502) and a connecting plate (503) which is arranged in the shell (502) and is electrically connected with a main board of the server (6), and the terminal head (506) is electrically connected with the connecting plate (503) through a cable;

a telescopic arm (505) is arranged in the shell (502), one end of the telescopic arm (505) is connected with the shell (502), the other end of the telescopic arm is connected with the terminal head (506), and the cable is fixed on the telescopic arm (505) along the telescopic arm (505);

the telescopic arm (505) comprises a plurality of telescopic rods (5051), any two adjacent telescopic rods (5051) are hinged, the telescopic rods (5051) of the head part of the telescopic arm (505) are hinged to the terminal head (506), and the telescopic rods (5051) of the tail part of the telescopic arm (505) are hinged to the shell (502);

the terminal head (506) comprises a terminal head body (5061) and a fixing sleeve piece (5062) arranged on the terminal head body (5061), second elastic pieces (5063) are arranged on two side walls of the fixing sleeve piece (5062), a slot (4011) is formed in the copper bar module (4), and a clamping hook (5064) which is clamped with the slot (4011) is arranged on any second elastic piece (5063);

one end of the second elastic sheet (5063) is fixedly connected to the fixing sleeve (5062), a pressing part is arranged at the other end of the second elastic sheet (5063), a soft rubber (5065) is arranged on the pressing part, and the clamping hook (5064) is separated from the groove (4011) by pressing the soft rubber (5065) on the second elastic sheet (5063), and the terminal head (506) is pulled outwards to be separated from the copper bar module (4).

2. The centralized power supply cabinet as claimed in claim 1, wherein the fixing assembly comprises a vertical bar (2) arranged in the cabinet body (1) and a cross bar (3) detachably connected to the vertical bar (2), and the copper bar module (4) is detachably connected to the cross bar (3).

3. A centralized power supply cabinet as claimed in claim 2, characterized in that the number of said uprights (2) is two, two of said uprights (2) being respectively removably connected to two opposite inner side walls of said cabinet body (1).

4. A centralized power supply cabinet as claimed in claim 3, characterized in that the vertical bars (2) are provided with square holes (201) which are uniformly distributed along the vertical direction, the vertical bars (2) are provided with clamping nuts (202), and the cross bars (3) are fixedly connected with the clamping nuts (202) through screws (301).

5. A centralized power supply cabinet as claimed in claim 3, characterized in that the number of crossbars (3) is three, the three crossbars (3) being fixedly connected to the top, middle and bottom of the upright (2), respectively.

6. The centralized power supply cabinet according to claim 5, wherein the copper bar module (4) comprises a protective shell (401) and copper bars (402) arranged in the protective shell (401), and three connecting pieces (403) which are respectively connected with the cross bars (3) in a one-to-one correspondence mode are arranged on the protective shell (401).