CN114361988A - Modular network rack type power distribution cabinet - Google Patents
Modular network rack type power distribution cabinet Download PDFInfo
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- CN114361988A CN114361988A CN202210027322.XA CN202210027322A CN114361988A CN 114361988 A CN114361988 A CN 114361988A CN 202210027322 A CN202210027322 A CN 202210027322A CN 114361988 A CN114361988 A CN 114361988A
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Abstract
A modularized network rack type power distribution cabinet relates to the technical field of power distribution equipment, and comprises a cabinet body, a power electricity input device, an internal power transmission bus, a master control power distribution module, a branch control power distribution module, a power distribution wiring connection socket group, a power distribution output wiring row group and a grounding protection device; the cabinet body is provided with an installation sub-cavity along the height direction, and the main control power distribution module and the sub-control power distribution module are respectively arranged in the installation sub-cavity; the power electricity input device is electrically connected with the master control power distribution module through an internal power supply transmission bus; the master control power distribution module is in power-on connection with the branch control power distribution module through a power distribution wiring connection socket group; each sub-control power distribution module is provided with a power distribution output wiring bank group; the grounding protection device is connected with the wiring of the master control power distribution module and the distribution control module, the power distribution cabinet is internally composed of highly integrated modular equipment, and the grounding protection device has multiple functions, does not need to directly intervene the internal organization of each power distribution module when needing maintenance or upgrading, and is convenient to take and place.
Description
Technical Field
The invention relates to the technical field of power distribution equipment, in particular to a modularized network rack type power distribution cabinet.
Background
For solving a plurality of difficulties brought by long design period, complex installation, high labor and material cost and difficult maintenance of the traditional power distribution cabinet, the modularized power distribution cabinet becomes the best choice for replacing the traditional power distribution cabinet, is mainly applied to an IDC data center, a computer or a server room, is positioned at the top end of the room, is connected with a power supply port, needs to be configured with shunting, power distribution, monitoring and protection functions, supplies power for a load terminal of the room, and can also be used as regional power distribution equipment, such as communities, offices, engineering construction site power distribution rooms and other scenes.
In the prior art, for example, chinese patent with application number CN108448397A discloses a cabinet; a left door body and a right door body are arranged on the front side of the cabinet body, and side insulating plates are arranged on the left side and the right side of the cabinet body; a top insulating plate is fixedly arranged at the top of the cabinet body, and an insulating base is fixedly arranged below the cabinet body; the internal from top to bottom of cabinet has set gradually: the intelligent monitoring device comprises an upper modularized cabinet body, a middle modularized cabinet body and a lower modularized cabinet body, wherein an intelligent monitoring device is arranged in the upper modularized cabinet body; an intelligent power distribution device is arranged in the middle modular cabinet body; an intelligent dynamic compensation device is arranged in the lower modular cabinet body; the intelligent monitoring device is respectively connected with the intelligent power distribution device and the intelligent dynamic compensation device.
However, the power distribution cabinet in the above invention has a single overall function, and its basic function is to supply power to a load terminal through an intelligent power distribution device, and the setting of an intelligent monitoring device can only meet the requirement that a worker remotely monitors the use state of the whole power distribution cabinet, and cannot meet the requirement that the worker needs to regulate and control power utilization operation or check power utilization information in real time on site.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a modularized network rack type power distribution cabinet, and the specific scheme is as follows:
a modularized network rack type power distribution cabinet comprises a cabinet body, a power electricity input device, an internal power transmission bus, a master control power distribution module, a distribution control power distribution module, a power distribution wiring connection socket group, a power distribution output wiring row group and a grounding protection device, wherein the power electricity input device is connected with the power electricity input device;
the cabinet body is provided with a plurality of installation sub-cavities with one side open along the height direction, the opening of each installation sub-cavity can be arranged in a sealing manner, the master control power distribution module and the branch control power distribution module are respectively arranged in the installation sub-cavities, one master control power distribution module is arranged, and a plurality of branch control power distribution modules are arranged;
the power electricity input device is electrically connected with the master control power distribution module through the internal power supply transmission bus and is used for accessing commercial power or power electricity;
the master control power distribution module is in power-on connection with the branch control power distribution modules through the power distribution wiring connection socket group and is provided with a master control operation/display area;
each sub-control power distribution module is provided with a power distribution output wiring bank group, the power distribution output wiring bank group can simultaneously distribute power to a plurality of load terminals, and the sub-control power distribution module is provided with a sub-control operation/display area;
and the grounding protection device is connected with the master control power distribution module and the branch control power distribution module in a wiring manner.
Furthermore, the power distribution wiring connection socket set comprises a three-phase power output bus bar and a three-phase power input socket, the three-phase power output bus bar is arranged at the rear part of the master control power distribution module, the three-phase power input socket is arranged at the rear part of the sub-control power distribution module, and the three-phase power input socket is connected with the three-phase power output bus bar in a wiring manner;
the master control operation/display area comprises a master control master switch, a surge front switch, a surge protector, a three-phase voltmeter and ammeter and a master control input/output indicator lamp.
Furthermore, the power distribution output wiring bank group comprises a plurality of power supply wiring boards arranged at the rear part of the sub-control power distribution module and used for correspondingly outputting a plurality of 220V circuits;
every the effective power of branch accuse distribution module is 5000VA, through the power wire board is exported respectively, branch accuse operation/display area including set up in branch accuse master switch, shunt switch, branch accuse input/output pilot lamp and voltage/electric current display area of the anterior part of branch accuse distribution module.
Furthermore, the ground protection device comprises a ground wire busbar, a cabinet ground wire binding post and a machine room ground wire binding post, wherein the ground wire busbar is connected with the master control power distribution module, the sub-control power distribution module, the cabinet ground wire binding post and the machine room ground wire binding post in a wiring mode.
Furthermore, each installation sub-cavity is correspondingly detachably connected with a closed baffle.
Furthermore, the power electricity input device comprises a mains supply/power electricity input junction box which is arranged close to the bottom of the cabinet body and is connected with a mains supply or power electricity through a three-phase five-wire system.
Furthermore, a heat dissipation space is formed between the master control power distribution module and the top of the cabinet body, and a heat dissipation fan is arranged in the heat dissipation space.
Furthermore, the rear portion of the cabinet body is provided with a T-shaped guide rail which is horizontally/vertically arranged, and the T-shaped guide rail is fixedly connected with the main control power distribution module, the sub-control power distribution module and the wiring corresponding to the power distribution wiring connection socket set.
Compared with the prior art, the invention has the following beneficial effects:
when the power distribution cabinet starts to work, under the safety protection effect of the grounding protection device, the power electricity input device supplies power to the main control power distribution module, the main control power distribution module serves as a main controller of the power distribution cabinet to supply power to each subsequent sub-control power distribution module, each sub-control power distribution module can be electrified with load terminals needing power according to the number of the load terminals, and the number of the sub-control power distribution modules can be increased and reduced randomly according to the needs of a scene so as to meet the power supply requirements of different load terminals. During the working period of the power distribution cabinet, a worker can watch the use state of the master control power distribution module through the master control operation/display area on site and can also adjust the work state of the master control power distribution module, the worker can watch the use state of the sub-control power distribution module through the sub-control operation/display area on site and can also adjust the work state of the sub-control power distribution module, and the versatility of the power distribution cabinet is improved;
in addition, the power distribution cabinet is internally composed of highly integrated modular equipment, the power distribution modules of different types form the whole power distribution cabinet, and the whole power distribution cabinet is displayed as an integrated structure, is of a movable structure with small size and light weight in form and is convenient to move and place on site. The main control power distribution module and the sub-control power distribution module are respectively arranged in independent installation sub-cavities, the main control power distribution module and the sub-control power distribution module can be drawn at any time through a structure of a simulation drawer, the main control power distribution module and the sub-control power distribution module are convenient to take and place, if maintenance or upgrading is needed, maintenance personnel do not need to directly intervene the internal organization of each power distribution module, the power distribution modules are only needed to be pulled out and delivered to a manufacturer to replace the power distribution modules meeting the requirements, the maintenance or upgrading is met, the unused installation sub-cavities can seal the openings of the installation sub-cavities, the internal conditions are hidden, and the integral aesthetic feeling of the power distribution cabinet is improved;
the switch board is through setting up inside power supply transport bus, distribution wiring connection socket group and distribution output wiring row group, and the inside engineering wiring that reduces in a large number need not the independent wiring hardly, only need between each distribution module several bus busbar connect can, improve the simple and direct and the security of maintaining greatly.
Drawings
FIG. 1 is an overall front view of an embodiment of the present invention;
FIG. 2 is an overall rear view of the cabinet body of the present invention;
FIG. 3 is an overall side perspective view of the cabinet body of the present invention;
FIG. 4 is a front view of a master control power distribution module;
FIG. 5 is a rear view of the master control power distribution module;
FIG. 6 is a front view of a separately controlled power distribution module;
fig. 7 is a rear view of a separately controlled power distribution module.
Reference numerals: 1. a cabinet body; 2. a powered electrical input device; 21. a commercial power/power electricity input junction box; 3. an internal power delivery bus; 4. a master control power distribution module; 5. a distribution control power distribution module; 6. the power distribution wiring is connected with the socket group; 61. a three-phase power output bus; 62. a three-phase power input socket; 7. a power distribution output wiring bank group; 71. a power wiring board; 8. a ground protection device; 81. a ground wire bus bar; 82. a cabinet ground wiring terminal; 83. a machine room ground wire binding post; 9. installing the sub-cavity; 10. a horizontal plate; 11. a T-shaped guide rail; 12. a master control operation/display area; 13. a sub-control operation/display area; 14. and closing the baffle.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
With reference to fig. 1 to 3, a modularized network rack-mounted power distribution cabinet comprises a cabinet body 1, a power electricity input device 2, an internal power transmission bus 3, a master control power distribution module 4, a distribution control power distribution module 5, a power distribution wiring connection socket group 6, a power distribution output wiring row group 7 and a ground protection device 8.
The installation that rack body 1 was formed with the uncovered setting in a plurality of one sides along the direction of height divides chamber 9, and every installation divides the uncovered all can be sealed setting of chamber 9, and is optimized, and every installation divides chamber 9 all to correspond and to dismantle and be connected with enclosure baffle 14. The total control power distribution module 4 and the branch control power distribution module 5 are respectively placed in the installation branch cavity 9, the total control power distribution module 4 is provided with one, the branch control power distribution module 5 is provided with a plurality of structures which are arranged from top to bottom, the total control power distribution module 4 is of a standard 3U aluminum alloy case structure, the depth is 420mm, the branch control power distribution module 5 is of a standard 3U aluminum alloy case structure, and the depth is 420 mm. The inside of the case of the total control power distribution module 4 and the branch control power distribution module 5 adopts the latest process of adding the purple copper strips into the PCB and the double glass fiber packages, can solve the problems of complexity and easy error of the installation of the single-stranded copper wires, replaces the conventional BV single-stranded copper wires, adopts a screw fixing installation method for the wiring terminals, adopts silica gel to seal the wiring terminal positions, and has simple, reliable and safe installation process.
Therefore, the power distribution cabinet is internally composed of highly integrated modular equipment, the power distribution modules of different types form the whole power distribution cabinet, and the power distribution cabinet generally comprises a master control power distribution module 4 and a plurality of sub-control power distribution modules 5, and equipment such as a UPS module and a power compensation module can be additionally configured according to needs. The power supply is provided for the master control power distribution module 4 by the power electricity input device 2, the master controller of the power distribution cabinet is regarded as to the master control power distribution module 4 electricity, power is supplied for each follow-up sub-control power distribution module 5, then each sub-control power distribution module 5 can be powered on with the load terminal of the required power consumption according to the quantity of the load terminal, according to the needs of the scene, the quantity of the sub-control power distribution modules 5 can be increased and reduced at will so as to meet the power supply demands of different load terminals, correspondingly, the unused installation sub-cavity 9 is shielded by the sealing baffle plate 14, the internal condition is hidden, and the integral aesthetic feeling of the power distribution cabinet is improved.
In order to realize the initial transmission of electric power, the power electricity input device 2 is electrically connected with the master control power distribution module 4 through the internal power supply transmission bus 3 and is used for being connected with commercial power or power electricity. In detail, the power electricity input device 2 includes a commercial power/power electricity input junction box 21, the commercial power/power electricity input junction box 21 is disposed near the bottom of the cabinet body 1, and is specifically installed on a horizontal plate 10 disposed on the back of the cabinet body 1, and is connected to commercial power or power electricity through a three-phase five-wire system, four wires in the three-phase five-wire system are connected to a three-phase power input interface on the master control power distribution module 4 after being collected by the internal power transmission bus 3, and the other wire is connected to the ground protection device 8.
The internal power supply transmission bus 3 adopts 2 × 12mm double glass fiber coated red copper strips, so that the load current is large, the conductivity is good, the insulating strength is high, and the mounting structure is firm.
Combine fig. 4 and fig. 5, for the further transmission of electric power, general control distribution module 4 connects socket group 6 and branch control distribution module 5 through the distribution wiring and is connected the circular telegram and be connected, distribution wiring connects socket group 6 and includes three-phase power output busbar 61, three-phase power input socket 62, the rear portion of general control distribution module 4 is provided with three-phase power output busbar 61, export three-phase power through the four-wire, the rear portion of branch control distribution module 5 is provided with three-phase power input socket 62, import three-phase power through the four-wire, and three-phase power input socket 62 corresponds the wiring with three-phase power output busbar 61 through the four-wire and is connected.
For the installation stability that improves distribution wiring connection socket group 6 and wiring, the rear portion of rack body 1 is provided with the T type guide rail 11 of level/vertical setting, total accuse distribution module 4, distribution control distribution module 5 and distribution wiring connection socket group 6 correspond the wiring all through high-power through type connector fixed connection at the T type guide rail 11 that is vertical setting, contact performance is reliable, it is firm, pull out and insert module machine case simple accurate simple, T type guide rail 11 of vertical setting is further fixed at the T type guide rail 11 that the level set up, T type guide rail 11 that the level set up further fixes the both sides at rack body 1.
With reference to fig. 6 and 7, in order to realize power supply to the load terminals, each sub-control power distribution module 5 is provided with a power distribution output terminal row group 7, the power distribution output terminal row group 7 can simultaneously distribute power to a plurality of load terminals, the power distribution output terminal row group 7 includes a plurality of power supply wiring boards 71 arranged at the rear of the sub-control power distribution module 5, each power supply wiring board 71 is a three-port socket, and the three power supply wiring boards 71 output as L1, L2 and L3 in the drawing, and are used for correspondingly outputting a plurality of 220V circuits.
The cabinet body 1 of the invention is provided for users as the complete machine form of the power distribution cabinet product, the standard size of the network cabinet is 2000x800x600mm3, the power supply power of the power distribution cabinet is determined by the power supply index of the complete machine, according to the electricity utilization requirement standard of the server rack, the total power supply capacity of a standard power distribution cabinet is 45000VA, the effective power of each sub-control power distribution module 5 is 15000VA, as shown in the figure, the power distribution cabinet can be divided into three paths of output, each path of 5000VA can be hung and driven to drive one server cabinet, the output is respectively realized through the power supply wire plates 71, and the electricity utilization requirement of 9 standard server racks can be met according to the number of the set power supply wire plates 71. If power needs to be increased, only the type of the internal distribution control module 5 needs to be replaced or the distribution control module 5 needs to be added.
During the switch board during operation, for the staff looks over in real time and the state of regulation and control rack body 1, total accuse power distribution module 4 is provided with total accuse operation/display area 12, branch accuse power distribution module 5 is provided with branch accuse operation/display area 13, the staff accessible is total to be controlled operation/display area 12 and is watched the user state of total accuse power distribution module 4 on the spot, and still can adjust the user state of total accuse power distribution module 4, the staff accessible is divided to be controlled operation/display area 13 and is watched the user state of branch accuse power distribution module 5 on the spot, and still can adjust the user state of branch accuse power distribution module 5, improve the multifunctionality of switch board.
In detail, the master control operation/display area 12 is disposed in the front of the master control power distribution module 4, including a master control main switch, a surge front switch, a surge protector, a three-phase voltage/current meter and a master control input/output indicator, the master control input/output indicator uses two lamp bodies with different colors to distinguish, thereby clearly representing whether the transmission of electric power is normal, the master control operation/display area 12 is further provided with a UPS switch for the UPS module, the staff on site can watch whether the indication of the three-phase voltage/current meter is normal, and the master control main switch, the surge front switch, the surge protector and the UPS switch can be controlled to be closed or disconnected according to actual requirements.
The sub-control operation/display area 13 includes a sub-control main switch, a shunt switch, a sub-control input/output indicator light and a voltage/current display area, which are disposed at the front of the sub-control power distribution module 5, the shunt switch is disposed in a plurality corresponding to the number of the power line boards 71 in each sub-control power distribution module 5, as shown in the figure, the shunt switch is an L1 switch, an L2 switch and an L3 switch, and the voltage/current display area corresponds to the L1 output, the L2 output and the L3 output, which are set as an L1 power indication, an L2 power indication and an L3 power indication, and is used for displaying the voltage and current conditions of each load terminal connected to the power line boards 71.
For the security performance that improves the switch board when using, ground protection device 8 and total accuse distribution module 4, divide accuse distribution module 5 wiring connection, in detail, ground protection device 8 includes ground wire busbar 81, rack ground wire terminal 82, computer lab ground wire terminal 83, ground wire busbar 81 is close to the bottom setting of rack body 1, set up on same horizontal plate 10 with commercial power/power electricity input terminal box 21, ground wire busbar 81 and total accuse distribution module 4, divide accuse distribution module 5, rack ground wire terminal 82 and computer lab ground wire terminal 83 wiring connection, rack body 1, total accuse distribution module 4, divide accuse distribution module 5 all to realize ground connection, reduce the electric leakage and take place the emergence of incident.
Optimized, a heat dissipation space is formed between the top of the master control power distribution module 4 and the top of the cabinet body 1, a heat dissipation fan is arranged in the heat dissipation space, the heat dissipation fan is in an open state during the working period of the power distribution cabinet, and hot air and air around the heat dissipation fan are stirred to achieve a heat dissipation effect.
Compared with the traditional power distribution cabinet, the modular network rack type power distribution cabinet has the following characteristics:
the traditional power distribution cabinet firstly needs to design and customize the appearance structure of the power distribution cabinet according to the site structure, is immovable and has a complex installation structure; the modularized network rack type power distribution cabinet is not specially customized and can be directly moved and placed at any position like a server cabinet. The modularized network rack type power distribution cabinet has the outstanding advantages that the customized design work of a power distribution site of a user is firstly removed, the power distribution cabinet is a movable network rack and can be placed at any position of a machine room, and the power distribution cabinet is light in weight and is very convenient to move through four universal wheels at the bottom.
The traditional power distribution cabinet is large in size, needs a large amount of project wiring in the traditional power distribution cabinet, is complicated in construction, is easy to make mistakes, is high in labor cost, and can be designed, constructed and completed for several months. The modularized network rack type power distribution cabinet only needs a user to give power indexes and attaches different types of modules, and a modularized assembly mode is completely adopted, so that links of site design, construction installation and engineering wiring are omitted, the cost and the supply period are greatly reduced, and a high-efficiency and safe operation mode is provided.
Modularized network rack-type switch board is maintained very conveniently, 1 inside except that internal power supply transport bus 3 of rack body, there is not other open wires, and internal power supply transport bus 3 all packs with the high performance pyrocondensation pipe of different colorations, in order to guarantee insulating security, total accuse distribution module 4, divide the state of accuse distribution module 5 to all directly panel visual display in front, basically need not maintainer to carry out specific power consumption operation, if there is the problem direct change distribution module can, greatly reduced maintainer's intensity of labour and the maintenance degree of difficulty. The internal framework of the cabinet body 1 adopts an industrial aluminum profile rail structure, so that the cabinet is high in strength, good in anti-seismic performance and extremely simple and convenient to install.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A modularized network rack type power distribution cabinet comprises a cabinet body (1), and is characterized by further comprising a power electricity input device (2), an internal power transmission bus (3), a master control power distribution module (4), a branch control power distribution module (5), a power distribution wiring connection socket group (6), a power distribution output wiring row group (7) and a grounding protection device (8);
a plurality of installation sub-cavities (9) with one side open are formed in the cabinet body (1) along the height direction, the opening of each installation sub-cavity (9) can be arranged in a sealing manner, the master control power distribution module (4) and the distribution control power distribution module (5) are respectively placed in the installation sub-cavities (9), one master control power distribution module (4) is arranged, and a plurality of distribution control power distribution modules (5) are arranged;
the power electricity input device (2) is electrically connected with the master control power distribution module (4) through the internal power supply transmission bus (3) and is used for connecting commercial power or power electricity;
the master control power distribution module (4) is in power-on connection with the branch control power distribution module (5) through the power distribution wiring connection socket group (6), and the master control power distribution module (4) is provided with a master control operation/display area (12);
each sub-control power distribution module (5) is provided with a power distribution output wiring row group (7), the power distribution output wiring row group (7) can simultaneously distribute power to a plurality of load terminals, and the sub-control power distribution module (5) is provided with a sub-control operation/display area (13);
the grounding protection device (8) is connected with the master control power distribution module (4) and the distribution control power distribution module (5) in a wiring mode.
2. The modularized network rack-mounted power distribution cabinet according to claim 1, wherein the power distribution wiring connection socket set (6) comprises a three-phase power output bus bar (61) and a three-phase power input socket (62), the three-phase power output bus bar (61) is arranged at the rear of the general control power distribution module (4), the three-phase power input socket (62) is arranged at the rear of the sub-control power distribution module (5), and the three-phase power input socket (62) is connected with the three-phase power output bus bar (61) in a wiring manner;
the master control operation/display area (12) comprises a master control master switch, a surge front-end switch, a surge protector, a three-phase voltmeter and ammeter and a master control input/output indicator lamp.
3. The modular network rack-mounted power distribution cabinet according to claim 1, wherein the power distribution output terminal row group (7) comprises a plurality of power supply circuit boards (71) arranged at the rear of the sub-control power distribution module (5) for correspondingly outputting a plurality of 220V circuits;
the effective power of each sub-control power distribution module (5) is 5000VA, the power supply wire plates (71) respectively output the effective power, and the sub-control operation/display area (13) comprises a sub-control main switch, a shunt switch, a sub-control input/output indicator light and a voltage/current display area which are arranged at the front part of the sub-control power distribution module (5).
4. The modular network rack-mounted power distribution cabinet according to claim 1, wherein the ground protection device (8) comprises a ground bus bar (81), a cabinet ground terminal (82) and a machine room ground terminal (83), and the ground bus bar (81) is in connection with the master control power distribution module (4), the sub-control power distribution module (5), the cabinet ground terminal (82) and the machine room ground terminal (83).
5. Modular network rack-mounted electrical distribution cabinet according to claim 1, characterized in that each of said installation subchambers (9) is associated with a closure flap (14) removably attached thereto.
6. The rack-mounted power distribution cabinet of claim 1, wherein the power input device (2) comprises a mains supply/power input junction box (21), and the mains supply/power input junction box (21) is disposed near the bottom of the cabinet body (1) and is connected to the mains supply or the power through a three-phase five-wire system.
7. The modular network rack-mounted power distribution cabinet according to claim 1, wherein a heat dissipation space is formed between the main control power distribution module (4) and the top of the cabinet body (1), and a heat dissipation fan is disposed in the heat dissipation space.
8. The rack-mounted power distribution cabinet according to claim 7, wherein a T-shaped guide rail (11) is disposed at the rear of the cabinet body (1) and is disposed horizontally/vertically, and the T-shaped guide rail (11) is fixedly connected to the general control power distribution module (4), the distribution control power distribution module (5) and the corresponding wiring of the power distribution wiring connection socket set (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027322.XA CN114361988A (en) | 2022-01-11 | 2022-01-11 | Modular network rack type power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027322.XA CN114361988A (en) | 2022-01-11 | 2022-01-11 | Modular network rack type power distribution cabinet |
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| Publication Number | Publication Date |
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| CN114361988A true CN114361988A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210027322.XA Pending CN114361988A (en) | 2022-01-11 | 2022-01-11 | Modular network rack type power distribution cabinet |
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| CN (1) | CN114361988A (en) |
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- 2022-01-11 CN CN202210027322.XA patent/CN114361988A/en active Pending
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