CN217116616U - Assembled power distribution box of standard rack - Google Patents
Assembled power distribution box of standard rack Download PDFInfo
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- CN217116616U CN217116616U CN202220399938.5U CN202220399938U CN217116616U CN 217116616 U CN217116616 U CN 217116616U CN 202220399938 U CN202220399938 U CN 202220399938U CN 217116616 U CN217116616 U CN 217116616U
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- power supply
- distribution box
- power distribution
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Abstract
The utility model relates to an assembled power distribution box of standard rack, include: the power supply lightning protection device and the power supply idle-open switch are arranged in the left hanging lug, the right hanging lug, the upper cover plate, the lower cover plate, the front cover plate, the rear cover plate, the guide rail, the grounding bar, the zero line bar, the upper wire outlet hole, the rear wire outlet hole, the wire inlet hole and the idle-open operation hole, so that the power supply safety, the power supply secondary distribution and the redundant power supply functions of equipment in the cabinet are realized; the bottom of the rear cover plate is provided with a rear wire outlet hole for leading out a power wire and connecting a power distribution box; the two sides of the rear cover plate are provided with a left wire inlet hole and a right wire inlet hole which are used for introducing an external power supply; the upper cover plate is provided with an upper wire outlet hole for leading out a power line so as to meet the power supply requirement of equipment inside the cabinet; the upper cover plate is provided with an air switch operation hole, so that the lightning protection device and the air switch power supply can be conveniently operated to be switched on and off, and the equipment inside the cabinet can be conveniently overhauled.
Description
Technical Field
The utility model relates to a subway communication system standard rack equipment power distribution technical field.
Background
The subway communication system generally comprises subsystems such as a transmission system, a official telephone system, a special telephone system, a wireless communication system, a video monitoring system, a broadcasting system, a clock system, a power supply system, a grounding system, a passenger information system, a centralized alarm system and the like, wherein each subsystem comprises equipment with different numbers; for convenience of management and maintenance, each subsystem needs 1 to 2 or more cabinets for installing the system equipment; for important core equipment of the system, such as equipment of a switch, a server, a firewall and the like, a redundant power supply is adopted for supplying power; in order to ensure the power utilization safety of the equipment of the cabinet system, the power supply lightning protection requirement of the system equipment needs to be considered.
The traditional power supply mode is that each cabinet device is powered by a power line independently; for important system core equipment, two independent power lines are independently provided for power supply so as to meet the requirement of redundant power supply; or each cabinet is provided with a redundant PDU or a power supply socket, and the distribution of the power supply of the equipment in the cabinet is realized again by the cabinet PDU or the power supply socket.
In the power supply mode, the power supply circuit is disordered, the construction difficulty is high, the number of required power supply circuits is large, the attractiveness of wiring inside the cabinet is poor, the power supply of equipment is not easy to distribute and manage, and the requirements of lightning protection and public grounding are not easy to realize; in addition, the power supply cable is not easy to realize the same system, and different cabinets are connected in series for power supply, so that the waste of laying resources of the power supply cable is caused.
To sum up, the utility model discloses, a special design power supply distribution equipment to solve the problem that above-mentioned rack equipment power supply exists.
SUMMERY OF THE UTILITY MODEL
To the general problem that exists at present of subway communication system rack equipment power supply, the utility model aims to solve the technical problem that a simple structure is provided, the standard rack installation of being convenient for, it is little to possess the space, the wiring is convenient, satisfy rack internal plant power supply safety, power secondary distribution, redundant power supply demand's standard rack assembled power distribution box.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses an assembled power distribution box of standard rack, include: the device comprises a left hanging lug, a right hanging lug, an upper cover plate, a lower cover plate, a front cover plate, a rear cover plate, a guide rail, a grounding bar, a zero line bar, an upper wire outlet hole, a rear wire outlet hole, a wire inlet hole and an idle operation hole; the left hanging lug and the right hanging lug are fixed on the rear cover plate through screws, and two waist-shaped holes are formed in the upper portion and the lower portion of each hanging lug so as to be conveniently installed inside the standard cabinet.
Further: the rear cover plate is provided with a plurality of mounting threaded columns close to the upper end and used for mounting a guide rail, a power supply lightning protector and a power supply air switch are mounted on the guide rail, and the power supply air switch is composed of a main air switch, a plurality of air switches and hole switch backup equipment; four mounting threaded columns are further arranged on the rear cover plate close to the lower end and used for mounting a grounding bar and a zero line bar; a rear wire outlet hole 1 and a rear wire outlet hole 2 are formed in the bottom of the rear cover plate, and an inverted through hole rubber protective coil is mounted on the wire outlet holes and used for leading out a power line; the left side and the right side of the rear cover plate are provided with a left wire inlet hole and a right wire inlet hole, and the wire outlet holes are provided with inverted through hole rubber protective coils for leading in power wires.
Further: an upper wire outlet hole 1 and an upper wire outlet hole 2 are formed in the upper cover plate, and an inverted through hole rubber protective coil is mounted on the wire outlet hole and used for leading out a power line and meeting the power supply requirement of equipment inside the cabinet.
Further: an air opening operation hole is formed in the front cover plate, so that the lightning protection device and the power supply on-off of the main air opening, the branch air opening and the hole opening backup device can be operated conveniently, and the equipment inside the cabinet can be maintained conveniently.
Further: the left hanging lug, the right hanging lug, the upper cover plate, the lower cover plate, the front cover plate and the rear cover plate are spliced into the assembled power distribution box of the standard cabinet through screws.
The utility model discloses a show beneficial effect does:
(1) the utility model discloses an assembled power distribution box of standard rack is equipped with power lightning protection device, and after external power source inserted the lightning protection device, outside output realized the power supply lightning protection requirement of rack equipment.
(2) The utility model discloses an assembled power distribution box of standard rack is equipped with total empty switch, and the power is through total empty switch direct distribution to a plurality of minutes switch, and the rack internal plant is direct to get the electricity from minute switch, realizes the secondary distribution of power to reach rack internal plant power supply distribution convenience, easily management and the advantage of overhauing the trouble.
(3) The utility model discloses an assembled power distribution box of standard rack is equipped with two sets of independent power distribution units, satisfies two way independent power and introduces, conveniently realizes the redundant power supply demand of rack internal plant.
(4) The utility model discloses an assembled power distribution box of standard rack draws forth power cord to power distribution box once through back wire hole, and other rack equipment series connection power supplies of this system are realized simply and conveniently, and the saving power cable lays the resource.
(5) The utility model discloses an assembled power distribution box of standard rack is assembled on the spot by standard components such as left hangers, right hangers, upper cover plate, lower apron, front shroud, back shroud and is formed, easily standardized processing and transportation.
(6) The utility model discloses an assembled power distribution box of standard rack, the 3U height satisfies standard rack installation requirement, and the installation of being convenient for expands the convenience, and the commonality is strong.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the structure splitting according to the embodiment of the present invention.
Fig. 3 is a schematic diagram of power line hole opening according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of an internal typical power distribution according to an embodiment of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "bottom", "front", "rear", and the like indicate positions or locations based on the positions or relationships shown in the drawings, and are only for convenience of description, and do not indicate or imply that the indicated positions must have specific orientations, specific configurations, and specific operations, and should not be taken as limitations of the present invention; under the condition of conflict, the utility model provides a characteristics in the preferred embodiment can change the position or increase and decrease quantity to satisfy the inside power supply demand of different rack equipment.
In the present invention, it should be further noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "assembling" and the like are to be understood in a broad sense, and may be a welded connection, a bayonet connection, a threaded connection and the like, and those skilled in the art can understand the specific meaning of the above terms in the present invention through specific situations.
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the invention.
Referring to fig. 1-4, the utility model discloses an assembled power distribution box of standard rack, include: the device comprises a left hanging lug, a right hanging lug, an upper cover plate, a lower cover plate, a front cover plate, a rear cover plate, a guide rail, a grounding bar, a zero line bar, an upper wire outlet hole 1, an upper wire outlet hole 2, a rear wire outlet hole 1, a rear wire outlet hole 2, a left wire inlet hole, a right wire inlet hole and an idle operation hole; the left hanging lug and the right hanging lug are respectively fixed on the rear cover plate through 2M 3 screws; two waist-shaped holes are respectively formed in the upper part and the lower part of each hanging lug, the size of each waist-shaped hole is 2, 7 and 5 (the width of each groove is 7 and the length of each straight groove is unit mm), and the waist-shaped holes are arranged in the cabinet through special buckle type screws for a standard cabinet rack; in view of the convenience of wire access and wiring, the modular cabinet power distribution box is generally mounted near the bottom of the cabinet.
Referring to figures 1 and 3: a plurality of mounting threaded columns are arranged at the upper end of the rear cover plate, the specification size of each threaded column is M3 x 10, the threaded columns are matched with nuts for use and are used for mounting guide rails, and the specification size parameters of the guide rails are 362mm x 46.5 (length x width, unit mm); the power supply lightning protection device and the total air switch, the branch air switch and the hole switch backup equipment are directly arranged on the guide rail through the buckles, so that the power supply lightning protection device, the total air switch, the branch air switch and the hole switch backup equipment can be conveniently detached and replaced; four mounting threaded columns are further arranged on the rear cover plate close to the lower end, the specification and the size of each threaded column are M3 x 10, and the threaded columns are matched with nuts for use and used for mounting a grounding bar and a zero line bar; a rear wire outlet hole 1 and a rear wire outlet hole 2 are formed in the bottom of the rear cover plate, and an inverted through hole rubber protective coil is mounted on the wire outlet holes and used for leading out a power line; the left side and the right side of the rear cover plate are provided with a left wire inlet hole and a right wire inlet hole, and a reversed through hole rubber protective coil is arranged on the wire inlet holes and used for leading in a power wire.
Referring to the attached drawing 3, an upper wire outlet hole 1 and an upper wire outlet hole 2 are formed in the upper cover plate, and an inverted through hole rubber protective coil is mounted on the wire outlet holes and used for leading out a power line so as to meet the power supply requirement of equipment inside the cabinet; the inverted through hole rubber protective coil is used for protecting a power line.
Referring to fig. 3 and fig. 4, specification size parameters of an upper wire outlet hole 1, an upper wire outlet hole 2, a rear wire outlet hole 1, a rear wire outlet hole 2, a left wire inlet hole and a right wire inlet hole are phi 30mm, wherein the left wire inlet hole and the right wire inlet hole are used for introducing two independent external power supplies; the upper wire outlet hole 1 and the upper wire outlet hole 2 are used for leading out two independent power supplies, so that the redundant power supply requirement of equipment inside the cabinet is met; the introduced power supply is directly distributed to the plurality of branch air switches through the main air switch, and the equipment in the cabinet directly obtains power from the branch switch, so that secondary distribution of the power supply is realized; the idle switch backup is used for redundancy, and the specific number of the idle switches is determined by the power supply requirement of equipment inside the cabinet.
Referring to fig. 4, two independent power distribution units are arranged in each assembled power distribution box of the standard cabinet to realize redundant power distribution; specifically, the number of external power supply lines led into a left line hole is 1, the number of external power supply lines led into a right line hole is 2, the number of power supply lines led out from a rear wire outlet hole 1 is 1, the number of power supply lines led out from a rear wire outlet hole 2 is 2, and the power supply distribution unit 1 supplies power to equipment inside the cabinet through a power supply line led out through the air separation via an upper wire outlet hole 1 and the power supply distribution unit 2 supplies power to the equipment through the power supply line led out through the air separation via the upper wire outlet hole 2, and the two paths of power supply are independently arranged to realize redundant power supply of the equipment; lightning protection devices in the power distribution unit 1 and the power distribution unit 2, and main air switch, branch air switch and air switch backup equipment are arranged on the guide rail.
An idle opening operation hole is formed in the front cover plate, specification and size parameters are 350 x 30 (length x width, unit mm), the lightning protection device is convenient to operate, and the power supply is convenient to be switched on and off in an idle opening and backup mode, so that equipment in the cabinet can be maintained conveniently.
The standard cabinet assembled power distribution box has specification and dimension parameters of 484 x 175 x 66 (length, width, height and unit mm), a vertical mounting hole interval of 134mm between the left hanging lug and the right hanging lug, a horizontal mounting hole interval of 468mm and a height of 3U, and meets the installation requirements of the standard cabinet.
The left lug, the right lug, the upper cover plate, the lower cover plate, the front cover plate and the rear cover plate are made of SPCC materials and assembled into a standard cabinet assembled power distribution box through M3 screws in a splicing mode; the overall plate thickness of the distribution box is 2mm, so that the box body shell is not deformed during installation.
The utility model discloses the specific application is many, above the utility model discloses a preferred embodiment, should point out, to ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of transformation, if more parameter size, material, power division volume etc. these improvements also should be regarded as the utility model discloses a protection scope.
Claims (5)
1. A modular cabinet modular power distribution box comprising: the modular power distribution box comprises a left lug, a right lug, an upper cover plate, a lower cover plate, a front cover plate, a rear cover plate, a guide rail, a grounding bar, a zero line bar, an upper wire outlet, a rear wire outlet, a wire inlet and an air opening operation hole.
2. The modular cabinet modular power distribution box of claim 1, wherein the rails mount a power lightning protector and a power air switch by snap-fitting.
3. The modular cabinet power distribution box of claim 1, wherein a rear outlet is formed in the bottom of the rear cover plate, and left and right inlet holes are formed in the left and right sides of the rear cover plate; and the bottom of the rear cover plate is provided with a mounting threaded column for mounting a guide rail, a zero line row and a grounding row.
4. The modular cabinet modular power distribution box of claim 1, wherein the upper cover plate has an upper outlet opening.
5. The modular cabinet modular power distribution box of claim 1, wherein the front cover panel has an access opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220399938.5U CN217116616U (en) | 2022-02-28 | 2022-02-28 | Assembled power distribution box of standard rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220399938.5U CN217116616U (en) | 2022-02-28 | 2022-02-28 | Assembled power distribution box of standard rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217116616U true CN217116616U (en) | 2022-08-02 |
Family
ID=82600427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220399938.5U Active CN217116616U (en) | 2022-02-28 | 2022-02-28 | Assembled power distribution box of standard rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217116616U (en) |
-
2022
- 2022-02-28 CN CN202220399938.5U patent/CN217116616U/en active Active
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