CN211239068U

CN211239068U - Bus output unit

Info

Publication number: CN211239068U
Application number: CN201922190860.7U
Authority: CN
Inventors: 陈俊; 章雪峰; 奚松成
Original assignee: Zhenjiang Xiangjiangyun Power Technology Co ltd
Current assignee: Zhenjiang Xiangjiangyun Power Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-11
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a bus output unit, which comprises an outer frame, a power access body, a pulling-assisting device, an interlocking baffle, a face cover, a cable, a wire outlet adjusting device, a plug, a main board, a low-voltage signal elastic sheet, a middle bracket, an air switch, a current transformer, a branch cable and an auxiliary board, wherein the main board is embedded in the middle of the outer frame, the plug and the low-voltage signal elastic sheet are inserted into a plurality of jacks of the power access body from one side of the main board, and a temperature probe is arranged right opposite to the plug; an outgoing line adjusting device is arranged below the current transformer, and a pulling assisting device is arranged at the open position. The plug of the output unit adopts a multi-point reed plug-in design to meet the requirements of large current and high reliability, the design of the interlocking baffle plate meets the phase-change output function, the infrared temperature monitoring meets the requirement of temperature monitoring, the adjustable wire outlet angle meets the requirements of installation at various positions, the pulling-assisting mechanism meets the requirements of single-hand plug-in operation, and the above various designs simultaneously meet the requirements of small occupied space, safety, reliability and easiness in use.

Description

Bus output unit

Technical Field

The invention relates to a power distribution technology, in particular to a bus output unit.

Background

The terminal bus is a power distribution device of an electric terminal, which is generally composed of a copper conductor and an aluminum alloy shell, and realizes the function of supplying power to specific equipment through a device such as a plug box matched with the power distribution device. Especially, in a data center, a network cabinet power supply mode and a tail end bus power supply mode increasingly replace a traditional cable power supply mode of a column head cabinet, the power supply mode can provide larger power output capacity, has strong expansion capacity, saves precious space resources after replacing the column head cabinet, and enables users to more deploy the network cabinet. The tail end bus has the characteristics of series matching, commodity production, large capacity, short design and construction period, convenient assembly and disassembly, no combustion, safety, reliability and long service life. The end bus product is suitable for the power supply engineering of a three-phase four-wire and three-phase five-wire system data center network cabinet with 50Hz alternating current, 380V rated voltage and 250A-400A rated current. With the development of information technology, the application of the terminal bus is increasingly wide, wherein, the way of adopting the terminal bus to supply power in the data center construction is a trend, and in addition, more requirements are provided for the product. Firstly, the installation density of the current server and network equipment is higher and higher, and the electric energy requirement is higher and higher, so that the rated current requirement of a terminal bus is higher, such as 1000A; the current rated current of the current tail end bus product is 400A, and the rated current can reach 630A after improvement of some manufacturers; the main design difficulty of the tail end bus of the large current lies in: 1. the electrodynamic force at high current usually causes the magnetic oscillation frequency to form a superposition state, which causes excessive noise, 2. the high current causes large heat productivity, the tail end bus is usually installed in a data machine room, the requirement on temperature rise is higher than that of a common dense bus, and therefore good heat dissipation is needed. Secondly, the installation of the tail end bus occupies the space of the top of the network cabinet, generally needs an installation clearance of 800mm or more, and meanwhile, the installation space is narrower due to the conventional design of the double-path bus, and particularly for data centers with lower building floor heights, the conventional tail end bus cannot be installed at all, so that the popularization of the tail end bus is greatly limited. Therefore, a bus bar output unit satisfying an ultra-thin installation height, easy installation, and having power monitoring and contact temperature monitoring is urgently needed.

Disclosure of Invention

In order to overcome the drawbacks of the prior art, it is an object of the present invention to provide a terminal bus bar output unit that solves the above problems.

The design principle is as follows: in order to effectively reduce the volume, particularly the height installation size, the output device is arranged on the side surface of the bus bar, so that the space occupied by the output device occupies the space in the horizontal direction, and precious vertical clear height space is saved. Therefore, the bus bar is designed in a mode that the bus bar is transversely arranged and is horizontally led out. The corresponding output unit is used for acquiring a three-phase power supply from the bus and outputting one-phase or three-phase power supply to the cabinet according to the requirement. Meanwhile, the output unit needs to be quickly connected in a plug-and-play mode, and therefore the universal product adopts a spring insertion type power taking design.

The purpose of the invention is realized by adopting the following technical scheme:

a bus output unit comprises an outer frame, a power supply access body, a pulling-assisting device, a linkage baffle, a face cover, a cable, a wire outlet adjusting device, a plug, a main board, a low-voltage signal elastic sheet, a middle support, an air switch, a current transformer, a branch cable and an auxiliary plate, wherein the main board is embedded in the middle of the outer frame; the other side of the mainboard is provided with a plurality of air switches and current transformers, the current transformers are arranged below the air switches, the outgoing line adjusting devices are arranged below the current transformers, the output ends of the plugs and the low-voltage signal elastic pieces are connected with the air switches, and the output ends of the air switches are connected with cables after penetrating through the current transformers and the outgoing line adjusting devices through a plurality of branch cables; the auxiliary plate is arranged on the side part of the empty opening, and the pull-out assisting device is arranged at the plurality of empty openings.

Preferably, the power supply access body comprises a power supply access body shell, a plurality of wire slots are arranged on the outer side surface of the power supply access body shell in parallel, an outlet adjusting device is arranged on the lower portion of the power supply access body shell, and a first through hole expanding groove is formed in the power supply access body shell on the lower side of the mounting groove.

Preferably, the pulling-assisting device is an n-shaped wrench, a pulling-assisting groove is formed in the upper portion of the two sides of the face cover corresponding to the n-shaped wrench, and two side plates of the n-shaped wrench penetrate through the pulling-assisting groove and are hinged to the inner walls of the two side frames of the outer frame in a lever-type manner.

Preferably, the interlocking baffle comprises a plurality of sliding blocks with grooves, convex ribs are arranged on the upper surfaces of the empty openings, the sliding blocks and the empty openings are driven by the matching of the grooves and the convex ribs, and the number of the sliding blocks is one less than that of the empty openings.

Preferably, the lower end of the face cover is provided with a second reaming groove corresponding to the first reaming groove, the upper part of the face cover corresponding to the interlocking baffle is provided with an adjusting window, and the face cover corresponding to the auxiliary plate is provided with an indicating operation hole.

Preferably, the outlet adjusting device comprises a T-shaped wire bundle pipe, a horizontal pipe of the T-shaped wire bundle pipe is arranged in the mounting groove, a vertical pipe of the T-shaped wire bundle pipe penetrates through an outlet reaming hole formed by the first reaming hole groove and the second reaming hole groove, and the tail section of the vertical pipe is connected with an outer sleeve of the cable through a nut head.

Preferably, the top wall of the outer frame protrudes outwards to form an upper hook, an elastic hook is connected below the bottom wall of the outer frame, and the upper hook corresponds to the elastic hook up and down.

Preferably, five plugs are arranged on five wire grooves at intervals, and two low-voltage signal elastic pieces are arranged in the middle of the wire grooves at the topmost end and the bottommost end.

Preferably, the two middle supports are fixed in the middle of the inner wall surfaces of the two side edges of the outer frame and used for fixing the main board and the auxiliary board.

Preferably, an openable and closable flip cover is arranged on the adjusting window of the face cover, and the flip cover is made of transparent plastic.

Preferably, the plug is a four-corner plug.

Preferably, the temperature probe adopts an infrared temperature sensor.

Preferably, the power supply access body is made of an insulating material.

Preferably, the auxiliary plate is provided with an indicator light, a microswitch and a socket, one edge of the auxiliary plate is fixed on the middle support, and the small plate and the bus socket assembly are arranged above the auxiliary plate.

Compared with the prior art, the invention has the beneficial effects that: the design of the output unit adopts a multipoint reed plug-in design to meet the requirements of large current and high reliability, the design of the interlocking baffle plate meets the phase-change output function, the infrared temperature monitoring meets the requirement of temperature monitoring, the adjustable wire outlet angle meets the installation of various positions, the pulling-assisting mechanism meets the single-hand plug-in operation, and the above various designs simultaneously meet the requirements of small occupied space, safety, reliability and easiness in use.

Drawings

Fig. 1 is a schematic structural diagram of a bus bar output unit according to an embodiment of the present invention;

FIG. 2 is a schematic view of another perspective of the bus bar output unit;

FIG. 3 is a schematic view of the power access body of FIG. 2 with the power source removed;

FIG. 4 is a schematic view of FIG. 3 with the main board removed;

FIG. 5 is a schematic diagram of the internal structure of the bus bar output unit;

FIG. 6 is a schematic view of a bus bar output unit installed from one perspective;

FIG. 7 is a schematic view of another perspective installation of the busbar export unit;

FIG. 8 is a schematic structural view of a T-shaped beam tube;

fig. 9 is a schematic structural view of the elastic hook.

In the figure: 1. an outer frame; 2. a power access body; 201. a power access body housing; 202. a wire slot; 203. mounting grooves; 204. a first reaming slot; 3. a Pi-shaped wrench; 4. interlocking baffles; 5. a face cover; 51. a second reaming slot; 52. adjusting the window; 53. an indication operation hole; 6. a T-shaped beam tube; 7. a cable; 8. an elastic hook; 9. a plug; 10. a main board; 11. a temperature probe; 12. a low-voltage signal spring plate; 13. a middle support; 14. opening in the air; 15. a current transformer; 16. a branch cable; 17. a slider; 18. a cover is turned; 19. attaching a plate; 20. a platelet and a bus socket assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 9, a bus output unit includes an outer frame 1, a power access body 2, a pulling-assistant device, a linkage baffle 4, a face cover 5, a cable 7, an outgoing line adjusting device, a plug 9, a main board 10, a low-voltage signal spring 12, a middle support 13, an air switch 14, a current transformer 15, a branch cable 16, and an auxiliary board 19.

The main board 10 is used for connecting (getting power from the busbar) and switching (switching to the open) of strong current (AC 380V), and simultaneously fixes and connects 3 CTs.

The accessory board 19 is a power metering main board, and the accessory board 19 is connected with the main board 10 through a connector, so that a voltage signal (a/B/C/N in AC 380V) and a current signal (signal of 3 CTs) on the main board 10 can be acquired for power metering. Meanwhile, a plurality of infrared temperature sensors are also arranged on the attached plate 19, so that the temperature monitoring of the spring contact and the idle switch contact is realized.

Connection relation: the main board 10 is embedded in the middle of the outer frame 1, the power access body 2 is arranged at one side of the outer frame 1, a plurality of plugs 9 and low-voltage signal elastic pieces 12 are inserted into a plurality of jacks of the power access body 2 from one side of the main board 10, and a plurality of temperature probes 11 are arranged in a side frame of the outer frame 1 just opposite to the plugs 9; a plurality of air switches 14 and a current transformer 15 are arranged on the other side of the main board 10, the current transformer 15 is arranged below the air switches 14, the outgoing line adjusting device is arranged below the current transformer 15, the output ends of the plugs 9 and the low-voltage signal elastic pieces 12 are connected with the air switches 14, and the output ends of the air switches 14 penetrate through the current transformer 15 and the outgoing line adjusting device through a plurality of H branch cables 16 and then are connected with the cables 7; the auxiliary plate 19 is arranged at the side of the empty opening 14, and the pull-out assisting device is arranged at a plurality of empty openings 14.

The two middle brackets 13 are fixed in the middle of the inner wall surfaces of the two side edges of the outer frame 1, and are used for fixing the main board 10 and the auxiliary board 19. And the intermediate bracket 13 is connected perpendicular to the direction of the main board 10.

The plug 9 is a four-corner plug but not limited to a four-corner plug, and other common bus bar plugs in the field may also be used.

Further, the temperature probe 11 adopts an infrared temperature sensor.

Further, set up pilot lamp, micro-gap switch and socket on attaching board 19, attaching board 19's one side and fixing on middle support 13, platelet and bus socket subassembly 20 set up attach board 19 top, the platelet passes through the golden finger mode and is connected with the plug connector, and the address of equipment has been marked to the circuit connection on the platelet, and the address of different platelet sign is different, uses the platelet of original equipment after the equipment of change, and the address of new equipment will follow and attack original address inconvenient to simplify the change process of equipment.

In one embodiment, five branch cables 16 are provided, five plugs 9 are provided, three openings 14 are provided, two sliders 17 are provided, and three current transformers 15 are provided.

Power supply access body

The power supply access body 2 comprises a power supply access body shell 201, a plurality of wire grooves 202 are arranged on the outer side surface of the power supply access body shell 201 in parallel, a mounting groove 203 of a wire outlet adjusting device is arranged at the lower part of the power supply access body shell 201, and a first through hole expanding groove 204 is formed in the power supply access body shell 201 at the lower side of the mounting groove 203.

Five plugs 9 are arranged on five wire grooves 202 at intervals, and two low-voltage signal elastic pieces 12 are arranged in the middle of the wire grooves 202 at the topmost end and the bottommost end. Thereby realizing the horizontal wiring harness connection of the busbar.

Wherein, the power supply access body 2 is made of insulating materials. Such as insulating heat-resistant engineering plastics, insulating ceramics and the like.

Pulling-assisting device

In one embodiment, the pulling-assisting device is an n-shaped wrench 3, a pulling-assisting groove is formed in the upper portion of the two sides of the face cover 5 corresponding to the n-shaped wrench 3, and two side plates of the n-shaped wrench 3 pass through the pulling-assisting groove and are hinged to the inner walls of the two side frames of the outer frame 1 in a lever manner. Through II shape spanner 3 to lever principle and its spacing of rotating the stroke, with less power and accurate displacement degree guaranteed female arranging, plug 9 the pine of department, press from both sides the operation.

Interlocking baffle

The interlocking baffle 4 comprises a plurality of sliding blocks 17 with grooves, ribs (namely, an empty opening handle) are arranged on the upper surfaces of the empty openings 14, the sliding blocks 17 and the empty openings 14 are driven by the matching of the grooves and the ribs, and the number of the sliding blocks 17 is one less than that of the empty openings 14.

Only when all the hollow switches 14 are disconnected, the groove of the sliding block 17 can be superposed with the rib of the hollow switch 14, the sliding block 17 can slide, and finally only one rib of the hollow switch 14 can be exposed to perform closing operation.

Face cover

The lower end of the face cover 5 is provided with a second reaming groove 51 corresponding to the first reaming groove 204, the upper part of the face cover 5 is provided with an adjusting window 52 corresponding to the interlocking baffle 4, and the face cover 5 is provided with an indicating operation hole 53 corresponding to the auxiliary plate 19. The whole surface cover 5 is made of insulating high-temperature resistant material, such as engineering plastic.

Further, an openable and closable lid 18 is provided on the adjustment window 52 of the face cover 5, and the lid 18 is made of transparent plastic so as to facilitate observation.

Outgoing line adjusting device

The outlet adjusting device comprises a T-shaped beam tube 6, wherein the T-shaped beam tube 6 comprises a horizontal tube and a vertical tube vertically arranged in the middle of the horizontal tube.

The horizontal pipe can be arranged in the mounting groove 203 in a manner of rotating around the axis of the horizontal pipe, the vertical pipe of the T-shaped wire bundle pipe 6 penetrates through an outlet reaming hole formed by the first reaming hole groove 204 and the second reaming hole groove 51, and the tail section of the vertical pipe is connected with an outer pipe sleeve of the cable 7 through a nut head.

Clamping accessory

The top wall of the outer frame 1 protrudes outwards to form an upper hook, an elastic hook 8 is connected to the lower portion of the bottom wall of the outer frame 1, and the upper hook corresponds to the elastic hook 8 up and down.

The elastic hook 8 is connected with a connecting hole arranged on the bottom wall of the outer frame 1 through a pin shaft spring structure.

To sum up, the bus output unit of the present application has the following characteristics:

the pulling-out assisting device comprises: the plug is plugged by one hand, so that the operability in a narrow space is ensured;

secondly, the outgoing line is adjustable: the smooth outlet in a narrow space is ensured through the angular rotation of the outlet adjusting device;

③ interlocking baffles: the position of the sliding block, namely the baffle, can be adjusted after all the idle switches are opened, and only one idle switch can be closed, so that safe and reliable phase change operation is ensured;

fourthly, the multi-contact spring: the requirements of various current grades are met, and the maximum current can reach 100A;

fifthly, infrared temperature measurement: a plurality of infrared temperature measurement points satisfy the monitoring demand of full contact.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a bus output unit, includes frame (1), power access body (2), helps and pulls out device, chain baffle (4), face lid (5), cable (7), adjusting device that is qualified for the next round of competitions, plug (9), mainboard (10), low pressure signal shell fragment (12), intermediate strut (13), empty division (14), current transformer (15), branch cable (16) and attach board (19), its characterized in that: the main board (10) is embedded in the middle of the outer frame (1), the power supply access body (2) is arranged on one side of the outer frame (1), the plurality of plugs (9) and the low-voltage signal elastic pieces (12) are inserted into the plurality of jacks of the power supply access body (2) from one side of the main board (10), and the plurality of temperature probes (11) are arranged in a side frame of the outer frame (1) just opposite to the plugs (9); the other side of the main board (10) is provided with a plurality of air switches (14) and a current transformer (15), the current transformer (15) is arranged below the air switches (14), the outgoing line adjusting device is arranged below the current transformer (15), the output ends of the plugs (9) and the low-voltage signal elastic pieces (12) are connected with the air switches (14), and the output ends of the air switches (14) penetrate through the current transformer (15) and the outgoing line adjusting device through a plurality of branch cables (16) and then are connected with the cables (7); the auxiliary plate (19) is arranged on the side of the empty opening (14), and the pull-out assisting device is arranged at a plurality of empty openings (14).

2. The busbar output unit of claim 1, wherein: the power supply access body (2) comprises a power supply access body shell (201), a plurality of wire grooves (202) are arranged on the outer side surface of the power supply access body shell (201) in parallel, a wire outlet adjusting device is arranged on the lower portion of the power supply access body shell (201), and a first through hole expanding groove (204) is formed in the power supply access body shell (201) on the lower side of the mounting groove (203).

3. The busbar output unit of claim 1, wherein: the pulling assisting device is an n-shaped wrench (3), a pulling assisting groove is formed in the upper portion of the two sides of the face cover (5) corresponding to the n-shaped wrench (3), and two side plates of the n-shaped wrench (3) penetrate through the pulling assisting groove and are hinged to the inner walls of the two side frames of the outer frame (1) in a lever mode.

4. The busbar output unit of claim 1, wherein: the interlocking baffle (4) comprises a plurality of sliding blocks (17) with grooves, ribs are arranged on the upper surfaces of the hollow openings (14), the sliding blocks (17) and the hollow openings (14) are driven by the matching of the grooves and the ribs, and the number of the sliding blocks (17) is one less than that of the hollow openings (14) so as to ensure that only 1 hollow opening (14) can operate.

5. The busbar output unit of claim 2, wherein: and a second hole expanding groove (51) corresponding to the first hole expanding groove (204) is formed in the lower end of the face cover (5), an adjusting window (52) is formed in the position, corresponding to the interlocking baffle (4), of the upper portion of the face cover (5), and an indicating operation hole (53) is formed in the position, corresponding to the auxiliary plate (19), of the face cover (5).

6. The busbar output unit of claim 5, wherein: the wire outlet adjusting device comprises a T-shaped wire bundle pipe (6), a horizontal pipe of the T-shaped wire bundle pipe (6) is arranged in the mounting groove (203), a vertical pipe of the T-shaped wire bundle pipe (6) penetrates through a wire outlet reaming hole formed by the first reaming hole groove (204) and the second reaming hole groove (51), and the tail section of the vertical pipe is connected with an outer pipe sleeve of the cable (7) through a nut head.

7. The busbar output unit of claim 1, wherein: the top wall of the outer frame (1) protrudes outwards to form an upper hook, an elastic hook (8) is connected to the lower portion of the bottom wall of the outer frame (1), and the upper hook corresponds to the elastic hook (8) up and down.

8. The busbar output unit of claim 2, wherein: the five plugs (9) are arranged on the five wire grooves (202) at intervals, and the two low-voltage signal elastic sheets (12) are arranged in the middles of the wire grooves (202) at the topmost end and the bottommost end; the two middle supports (13) are fixed in the middle of the inner wall surfaces of the two side edges of the outer frame (1) and used for fixing the main board (10) and the auxiliary board (19).

9. The busbar output unit of claim 1, wherein: an indicator light, a microswitch and a socket are arranged on the auxiliary plate (19), one side of the auxiliary plate (19) is fixed on the middle support (13), and the small plate and the bus socket assembly (20) are arranged above the auxiliary plate (19).

10. The busbar output unit of claim 1, wherein: a flip cover (18) which can be opened and closed is arranged on the adjusting window (52) of the face cover (5), and the flip cover (18) is made of transparent plastic; the plug (9) is a four-corner plug; the temperature probe (11) adopts an infrared temperature sensor; the power supply access body (2) is made of an insulating material.