CN218172028U

CN218172028U - Power distribution unit

Info

Publication number: CN218172028U
Application number: CN202221973488.2U
Authority: CN
Inventors: 覃志波; 刘杰; 岳兴; 陈垠
Original assignee: Shenzhen Infypower Co ltd
Current assignee: Shenzhen Infypower Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-30
Anticipated expiration: 2032-07-27

Abstract

The utility model provides a power distribution unit, which comprises a frame body, a hanging lug arranged on the frame body, more than two conductive joints fixedly connected with a charging pile cabinet, and more than two power distribution modules stretching across the inside and the outside of the frame body from a first side surface of the frame body; the distribution module is parallel to each other and distributes in first side at the interval ground each other, and distribution module perpendicular to first side, first side are equipped with an opening for each distribution module, and every distribution module all can be dismantled with a conductive joint and be connected and can electrically conduct. A plurality of power distribution modules are integrated in one frame, and the power distribution modules are detachably connected with the conductive connectors, so that the complexity of wiring in the charging pile is reduced, and the power distribution modules are decoupled from the cabinet, so that the maintenance is facilitated; and a plurality of power distribution modules are integrated in one frame body, so that one module and one frame body are avoided, and materials are saved.

Description

Power distribution unit

Technical Field

The utility model belongs to the technical field of fill electric pile, especially, relate to a power distribution unit.

Background

Along with the popularization of new energy automobiles, communication energy and energy storage equipment, charging equipment is more and more, and a plurality of problems also occur along with the popularization of the new energy automobiles, the communication energy and the energy storage equipment: inside distribution devices such as electric pile, energy storage equipment are all dispersed the overall arrangement inside the casing to the tradition, especially when distribution devices have a plurality ofly, neither with the rack decoupling zero, also make the rack walk the line complicacy in, be unfavorable for maintaining.

SUMMERY OF THE UTILITY MODEL

A technical object of the utility model is to provide a power distribution unit, when aiming at solving and filling distributor in the electric pile and having a plurality of, the dispersion overall arrangement both had not decoupled with the rack in the rack, made again fill electric pile interior line complicacy of walking, was unfavorable for the technical problem who maintains.

In order to solve the technical problem, the utility model discloses a power distribution unit who realizes like this, its characterized in that includes the framework, locates the hangers on the framework, is used for the fixed connection to fill more than two conductive joints of electric pile rack, and more than two from the first side of framework stretch over the distribution module inside and outside the framework; the distribution module is parallel to each other and distributes at interval each other first side, the distribution module perpendicular to first side, first side is equipped with an opening, every for each distribution module the distribution module all can be dismantled with a conductive joint and be connected and can electrically conduct.

Furthermore, the power distribution module comprises a power distribution unit arranged in the cabinet, a bus bar arranged outside the cabinet and electrically connected with the power distribution unit, and a monitoring interface; the bus bar is provided with a blind-mate terminal electrically connected with the bus bar, the blind-mate terminal comprises a terminal bracket and two parallel terminals arranged on one side of the terminal bracket, and a gap is formed between the two terminals; the conductive connector is a copper sheet provided with a connecting point, and the gap of the two terminals is clamped with the copper sheet.

Furthermore, the power distribution module comprises a mounting plate which is arranged at the opening and spans the inside and the outside of the frame body, the mounting plate is fixedly connected with the frame body, and the mounting plate is also provided with an extension section which extends parallel to the opening outside the frame body; the power distribution unit is fixedly connected to the mounting plate, and the bus bar is fixedly connected to the extension section.

Furthermore, a second side face of the frame body opposite to the first side face is provided with at least two pull rings which are at least distributed at two ends of the side face of the frame body where the pull rings are positioned; the monitoring interface and the pull ring are positioned on the same side face of the frame body; the second side face is provided with a net-shaped ventilation opening, and a fan is arranged in the frame body and close to the net-shaped ventilation opening.

Furthermore, the hangers are at least two, are respectively installed on the frame body and are adjacent to the two side faces of the second side face, at least one hanger is close to the second side face, and at least one hanger is far away from the second side face.

The frame body is characterized in that a plurality of sets of mounting holes for mounting the hanging lugs are formed in the side face adjacent to the second side face, and the positions of the hanging lugs on the frame body are adjusted.

Furthermore, a liquid cooler is arranged in the frame body and close to each power distribution unit; the liquid cooler is a capillary pipeline made of a material with good heat conductivity, and the capillary pipeline is bent into a U shape; and a through hole is formed in one side of the frame body, and a liquid inlet and a liquid outlet which are connected with the liquid cooler are formed in the through hole.

Further, the frame body comprises a frame and a frame cover detachably connected with the frame; the frame cover periphery to the framework extends there is the perpendicular to the chimb of frame cover, the chimb covers on the frame, just the frame cover with the frame all is equipped with the screw, the frame cover with the frame passes through bolted connection.

The utility model discloses in a power distribution unit compares with prior art, beneficial effect lies in: a plurality of power distribution modules are integrated in one frame, and the power distribution modules are detachably connected with the conductive connectors, so that the complexity of wiring in the charging pile is reduced, and the power distribution modules are decoupled from the cabinet, so that the maintenance is facilitated; and a plurality of power distribution modules are integrated in one frame body, so that one module and one frame body are avoided, and materials are saved.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a power distribution unit according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partial structure of a power distribution unit according to an embodiment of the present invention.

In the drawings, each reference numeral indicates: 1. a frame body; 11. a frame cover; 12. a frame; 13. a first side; 14. a second side surface; 2. hanging a lug; 3. a power distribution module; 31. mounting a plate; 4. a bus bar; 5. a monitoring interface; 6. a blind-mate terminal; 7. a conductive joint; 8. a liquid cooler; 9. a fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment is as follows:

in this embodiment, as shown in fig. 1 to 2, a power distribution unit includes a frame 1, a hanging lug 2 disposed on the frame 1, two or more conductive connectors 7 for being fixedly connected to a charging pile cabinet, and two or more power distribution modules 3 spanning from a first side 13 of the frame 1 to inside and outside of the frame 1; the distribution modules 3 are parallel to each other and are distributed at the first side 13 at intervals, the distribution modules 3 are perpendicular to the first side 13, the first side 13 is provided with an opening for each distribution module 3, and each distribution module 3 is detachably connected with one conductive connector 7 and can conduct electricity.

Specifically, hangers 2 are used for installing modularization power distribution unit in filling the electric pile rack, specifically, hangers 2 are the angle of buckling (by two fixed connection and each other be the right angled hard board and constitute or by two fixed connection and each other be the right angled strip and constitute, can adopt steel), and are equipped with the through-hole on the angle of buckling for screw connection is in charging in the rack. The conductive connector 7 serves as an interface for the power distribution module 3 to be electrically connected to other devices of the charging pile cabinet, and is electrically connected to other devices of the cabinet that need to distribute power and supply power to the power distribution module 3. The first side 13 may be a one-piece side plate with a plurality of parallel openings; alternatively, the first side surface 13 may be formed by fixing a plurality of strip-shaped side plates on the frame 1 in parallel at intervals, and the interval gap is an opening. The opening not only facilitates the power distribution module 3 to be detached from the frame body 1, but also facilitates the ventilation and heat dissipation in the frame body 1.

The power distribution unit comprises a control module, a detection module and an adjustment module which are respectively and electrically connected with the control module; the detection module is used for detecting the power load at the output bus bar 4, and the control module is used for controlling the regulation module to regulate the output of voltage or current according to the power load information transmitted by the detection module. Specifically, the control module is a controller MCU, and the adjusting module is a bidirectional relay or a bidirectional switch.

A plurality of power distribution modules 3 are integrated in one frame body 1, the power distribution modules 3 are detachably connected with the conductive connectors 7, the complexity of wiring in the charging pile is reduced, and the power distribution modules are decoupled from a cabinet, so that the maintenance is facilitated; and a plurality of power distribution modules 3 are integrated in one frame body 1, so that one module and one frame body 1 are avoided, and materials are saved.

Further, the power distribution module 3 comprises a power distribution unit arranged in the cabinet, a bus bar 4 arranged outside the cabinet and electrically connected with the power distribution unit, and a monitoring interface 5; the bus bar 4 is provided with a blind-mate terminal 6 electrically connected with the bus bar, the blind-mate terminal 6 comprises a terminal bracket and two parallel terminals arranged on one side of the terminal bracket, and a gap is formed between the two terminals; the conductive connector 7 is a copper sheet provided with a connecting point, and a gap of the two terminals is clamped with the copper sheet.

Further, the power distribution module 3 comprises an installation plate 31 which is arranged at the opening and spans the inside and the outside of the frame body 1, the installation plate 31 is fixedly connected with the frame body 1, and the installation plate 31 is also provided with an extension section which extends and is parallel to the opening outside the frame body 1; the power distribution unit is fixedly connected to the mounting plate 31 and the bus bar 4 is fixedly connected to the extension.

Specifically, the mounting plate 31 is connected with the frame body 1 through screws, and screw holes for screw connection on the mounting plate 31 are formed outside the frame body 1, so that the mounting plate 31 and the frame body 1 can be conveniently detached.

Further, a second side surface 14 of the frame body 1 opposite to the first side surface 13 is provided with at least two pull rings, and the pull rings are at least distributed at two ends of the side surface of the frame body 1 where the pull rings are located; the monitoring interface 5 and the pull ring are positioned on the same side surface of the frame body 1; a reticular ventilation opening is arranged on the second side surface 14, and a fan 9 is arranged in the frame body 1 and close to the reticular ventilation opening.

Specifically, the pull rings are two, and distribute at the both ends of its framework 1 side of locating, when opening and fill electric pile cabinet door and maintain power distribution unit, pull two pull rings simultaneously when convenience of customers pull out framework 1, and framework 1 atress is even, can not appear blocking because of the atress inequality leads to the slope, changes to pull out. The pull ring is in a closed-loop rectangular or square shape, the pull ring penetrates through the frame body 1, a through hole for the pull ring to penetrate through is formed in the frame body 1, a groove for accommodating one side of the pull ring is formed in the side face of the frame body 1, and when the pull ring is pushed into the frame body 1 from the through hole, one side of the pull ring, which is left outside the frame body 1, can be accommodated in the groove; or the pull ring can be rotatably connected to the frame body 1 through a shaft pin, and the pull ring can rotate around the shaft pin. The monitoring interface 5 and the pull ring are positioned on the same side surface of the frame body 1, and the monitoring interface 5 can be overhauled without completely taking out the power distribution unit after the cabinet door is opened. The fan 9 is used for enabling air inside and outside the frame body 1 to continuously flow, so that the heat dissipation effect is achieved; specifically, the wind direction of the fan 9 causes air to enter from the mesh vents and exit from the openings; the mesh diameter of the mesh-shaped ventilation openings is less than 0.5mm, so that large-particle dust in the air blown into the frame body 1 can be filtered; an air filter can be arranged at the reticular vent to filter out dust particles in the air flowing into the frame body 1.

Further, the number of the hanging lugs 2 is at least two, and the hanging lugs 2 are respectively installed on two side surfaces of the frame body 1, which are adjacent to the second side surface 14, at least one hanging lug 2 is close to the second side surface 14, and at least one hanging lug 2 is far away from the second side surface 14.

Specifically, hangers 2 are two, are in two relative sides respectively, and a hanger 2 is close to second side 14, and second side 14 is kept away from to another hanger 2, and two hangers 2 are equallyd divide and are passed through bolted connection with framework 1 and charging pile rack respectively. Only can firmly install framework 1 in filling the electric pile rack through two hangers 2 like this.

Further, the side surface adjacent to the second side surface 14 is provided with a plurality of sets of mounting holes for mounting the hanging lugs 2, and the mounting holes are used for adjusting the positions of the hanging lugs 2 on the frame body 1.

The installation of a hangers 2 needs one set of mounting hole, and many sets of mounting holes can be different according to the mounted position who fills in the electric pile rack, make corresponding adjustment to the position of hangers 2 on framework 1 to the adaptation has the electric pile rack that fills of different overall arrangements to power distribution unit.

Further, a liquid cooler 8 is arranged in the frame body 1 and close to each power distribution unit; the liquid cooler 8 is a capillary pipeline made of a material with good heat conductivity, and the capillary pipeline is bent into a U shape; one side of the frame body 1 is provided with a through hole, and a liquid inlet and a liquid outlet which are connected with the liquid cooler 8 are arranged in the through hole.

Specifically, the capillary channel is made of copper, iron and other metals with good heat conductivity, and the number of the capillary channels can be one or multiple; the capillary tube is in a combined shape of a regular U shape and an inverted U shape, and the central axes of the capillary tubes are in the same plane, so that the contact area between the capillary tubes and the power distribution unit is further increased, and the heat exchange efficiency is improved. The liquid inlet and the liquid outlet which are arranged at the through hole on the side surface of the frame body 1 enable the modular power distribution unit to be connected with an external liquid cooling system, and a refrigerant is continuously input into the modular power distribution unit from the outside to cool.

Further, the frame body 1 includes a frame 12 and a frame cover 11 detachably connected to the frame 12; the periphery of the frame cover 11 extends to the frame body 1 to form a convex edge perpendicular to the frame cover 11, the convex edge covers the frame 12, the frame cover 11 and the frame 12 are both provided with screw holes, and the frame cover 11 is connected with the frame 12 through screws. This makes the frame 1 openable, and facilitates maintenance and replacement of parts in the frame 1.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The power distribution unit is characterized by comprising a frame body, a hanging lug arranged on the frame body, more than two conductive joints used for being fixedly connected to a charging pile cabinet, and more than two power distribution modules spanning from a first side surface of the frame body to the inside and the outside of the frame body; distribution module is parallel to each other and distribute at intervals each other first side, distribution module perpendicular to first side, first side is equipped with an opening for each distribution module, every distribution module all can dismantle with a conductive joint and be connected and can electrically conduct.

2. The power distribution unit of claim 1, wherein the power distribution module comprises a power distribution unit disposed in the cabinet, a bus bar disposed outside the cabinet and electrically connected to the power distribution unit, and a monitoring interface; the bus bar is provided with a blind-mate terminal electrically connected with the bus bar, the blind-mate terminal comprises a terminal bracket and two parallel terminals arranged on one side of the terminal bracket, and a gap is formed between the two terminals; the conductive connector is a copper sheet provided with a connecting point, and the gap of the two terminals is clamped with the copper sheet.

3. The power distribution unit of claim 2, wherein the power distribution module includes a mounting plate disposed at the opening and spanning between the interior and the exterior of the frame, the mounting plate being fixedly connected to the frame, the mounting plate further having an extension extending parallel to the opening and disposed outside the frame; the power distribution unit is fixedly connected with the mounting plate, and the bus bar is fixedly connected with the extension section.

4. The power distribution unit of claim 2, wherein a second side of the frame opposite to the first side is provided with at least two tabs distributed at least at two ends of the side of the frame where the tabs are located; the monitoring interface and the pull ring are positioned on the same side face of the frame body; the second side face is provided with a net-shaped ventilation opening, and a fan is arranged in the frame body and close to the net-shaped ventilation opening.

5. The power distribution unit of claim 4, wherein the number of the hanging lugs is at least two, and the hanging lugs are respectively installed on two sides of the frame body adjacent to the second side, at least one hanging lug is close to the second side, and at least one hanging lug is far away from the second side.

6. The power distribution unit of claim 4, wherein a side surface adjacent to the second side surface is provided with a plurality of sets of mounting holes for mounting the hanging lugs, and the mounting holes are used for adjusting the positions of the hanging lugs on the frame body.

7. The power distribution unit of claim 2, wherein a liquid cooler is disposed within the housing adjacent each of the power distribution units; the liquid cooler is a capillary pipeline made of a material with good heat conductivity, and the capillary pipeline is bent into a U shape; and a through hole is formed in one side of the frame body, and a liquid inlet and a liquid outlet which are connected with the liquid cooler are formed in the through hole.

8. The power distribution unit of any of claims 1-7, wherein the frame body comprises a frame and a bezel removably attached to the frame; the frame cover periphery to the framework extends there is the perpendicular to the chimb of frame cover, the chimb covers on the frame, just the frame cover with the frame all is equipped with the screw, the frame cover with the frame passes through bolted connection.