CN104393496A - Bus-through clamping-type ultra large-load capacity annular wiring high-reliability PDU (Power Distribution Unit) - Google Patents
Bus-through clamping-type ultra large-load capacity annular wiring high-reliability PDU (Power Distribution Unit) Download PDFInfo
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- CN104393496A CN104393496A CN201410583458.4A CN201410583458A CN104393496A CN 104393496 A CN104393496 A CN 104393496A CN 201410583458 A CN201410583458 A CN 201410583458A CN 104393496 A CN104393496 A CN 104393496A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
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Abstract
The invention discloses a bus-through clamping-type ultra large-load capacity annular wiring high-reliability PDU (Power Distribution Unit). A waterproof wiring head is arranged at a wire incoming mounting end plate; the wire incoming mounting end plate and a wire mounting insulated end plate are arranged in an overlapping mode at a wire incoming end of a shell; multiple socket modules are arranged inside the shell; a mounting end plate and an insulated end plate are arranged in an overlapping mode at a closing end of the shell; a bus-PE, a bus-L, and a bus-N are respectively arranged inside the multiple socket modules for electrically connecting the above parts. The quick punching clamping-type connection is low in resistance, reliable, durable, stable and small in temperature rise, and fire risks are eliminated; a charged conductor is fixed and an electrical contact point is closed in the insulated shell during the whole process, hidden electrical dangers such as short circuit and contact oxidation are eliminated; due to annular wiring, single-point fault is eliminated, and the power-off range due to multi-point fault is reduced; no broken connection points exist in the whole bus, and connection is firm; temperature rise is over low, and fire risks do not exist; power distribution reliability is high; the appearance size is small, and the space is saved; and the SPD modules have hot-plug functions.
Description
Technical field
The invention belongs to power socket of machine cabinet field, particularly relate to a kind of precision voltage source allocation units.
Background technology
PDU refers to power distribution unit. and be the acronym of English " Power Distribution Unit ", being mainly used in rack etc. and higher place is required to power supply reliability. output interface is compatible: with selecting the power socket module of world's multiple types standards such as GB, Europe superscript, Ying Biao, American Standard, lead the different output interface combination in any such as line or belt plug wires, can meet the different demands of multinational client; Duplicate supply input can be realized; The different input such as the input of product end, the input of product front panel, the input of product rear portion access location can be adopted; The multiple input interfaces such as optional binding post, 16A GB plug, various industrial couplers.SPD module can provide multiple circuit protection function: thunderbolt, surge protection: maximum shock-resistant electric current: 5KA or higher; Deboost :≤1.3kV or lower, possesses short-circuit protection, shielding failure deixis, is detected, can be used as the meticulous surge protection of equipment end by national level authoritative test center specialty; Band LED electric current, the voltage monitoring module of display can be provided, realize electric current, voltage real-time monitoring; Anti-misoperation: PDU master switch band faulty action preventing protective cover, can prevent misoperation from causing accident power-off.
But the load current of PDU is less in prior art; Output port can not compatible socket and band plug wires; Connection between inner lead is generally connected by soldering or self-tapping screw, because sandwich effect, electric stress and thermal stress effects can cause that temperature rise is too high exists risk on fire; Internal bus, tie point conductor is exposed there is potential safety hazard; Namely Single Point of Faliure broken string can cause exporting power-off; Bus breakpoint, joint are many, and reliability is low; Load current is limited; Overall dimension is large, takies the valuable rack useful space; Full manual production efficiency of assembling is low, quality consistency is difficult to ensure.
Simultaneously in prior art, SPD module in PDU circuit to be fixedly mounted in shell in place in circuit, if SPD module operationally damages just must cut off whole PDU circuit, whole PDU circuit is changed or changed to SPD module, the serious work that have impact on power supply object.
Summary of the invention
Technical problem to be solved by this invention is as follows:
In A, prior art, the load current of PDU is little;
Connection between B, inner lead is connected by soldering or self-tapping screw, because the sandwich effect of soldering, electric stress and thermal stress effect can cause that temperature rise is too high exists risk on fire;
The exposed potential safety hazard of C, conductor;
D, Single Point of Faliure power-off;
E, bus breakpoint, joint are many, and reliability is low;
F, load current are limited;
The volume of G, PDU electric power source distribution device is excessive;
H, SPD module fixes in circuit, under the prerequisite not affecting the work of power supply object, can not change and safeguard SPD module.
For achieving the above object, technical scheme of the present invention is: provide the highly reliable PDU of a kind of through bus plug-in super large load capacity annular distribution, comprise waterproof connector lug, inlet wire installs end plate, inlet wire insulating end plate, shell, line winder, insulating end plate, installation end plate, multiple socket module, bus-PE, bus-L and bus-N; Described waterproof connector lug is arranged on inlet wire and installs on end plate; Inlet wire installs end plate and the overlapping end of incoming cables being arranged on shell of wiring insulating end plate; Multiple socket module is installed in the enclosure; End plate and the overlapping blind end being arranged on shell of insulating end plate are installed; Bus-PE, bus-L and bus-N are arranged on the inside of multiple socket module respectively, are electrically connected by aforementioned all parts; Line winder is arranged on the left and/or right outer wall of shell.
Described shell is " Qian " shape groove; Inside the left and right wall of shell, symmetric position and inner bottom surface centre position are respectively equipped with end plate mounting rail, and end plate mounting rail is through shell axially, and two axial ends of plate mounting rail are respectively equipped with through hole; The left and right wall inside upper part of shell is provided with chute; The inwall upper surface, left and right of shell is provided with breach, and breach is through shell axially; The left and right edges of shell outer bottom is symmetrical is respectively provided with groove, and fluted shaft is to through shell; The center line of two side external surfaces of shell is respectively equipped with fixed installation draw-in groove with upper/lower positions.
Described socket module comprises PE shell fragment, N shell fragment and L shell fragment, described PE shell fragment, N shell fragment and L shell fragment all comprise " U " draw-in groove, its main body at least has a first-order traverse bayonet socket, the both sides of the opening part of described first-order traverse bayonet socket are respectively arranged with one-level cutting edge.
The top of described first-order traverse bayonet socket is also provided with secondary wire bayonet socket, is respectively arranged with secondary cutting edge in the both sides of the opening part of this secondary wire bayonet socket, and secondary wire bayonet socket width is less than first-order traverse bayonet socket width.
The top of described secondary wire bayonet socket is also provided with three grades of wire bayonet sockets, is respectively arranged with three grades of cutting edges in the both sides of the opening part of these three grades of wire bayonet sockets, and three grades of wire bayonet socket width are less than the sword body width of secondary cutting edge.
Described socket module also comprises upper cover and lower cover, and the edge of upper cover is provided with protruding bayonet lock; Upper cover lower limb is provided with annular wiring hole, L wire clamping connected hole, PE wire clamping connected hole and N wire clamping connected hole; PE shell fragment, N shell fragment, L shell fragment insert the correspondence position of upper cover; Lower cover inside is provided with fore-set, and two pairs of opposite side of lower cover are that position is respectively equipped with buckle and wire clamping connected hole regulating block.
Also comprise SPD module, SPD module is installed in the enclosure, with socket modules in parallel; Described SPD module comprises draws together base module, plug-in module and pcb board; Base module is installed in the enclosure, and plug-in module is plugged on base module; Pcb board is arranged on plug-in module inside;
The base module of described SPD module comprises A base, B base and SPD module shell fragment; Described A base and B base are " Qian " shape; A base bottom is provided with cavity, and the bottom of B base is equipped with cavity; The bottom inner surface of A base is provided with three inserted sheets by groove, and the bottom inner surface of B base is provided with three inserted sheets and passes through breach; The left and right wall of described A base 121 is provided with buckle, and the left and right wall of B base is provided with draw-in groove.
The plug-in module of described SPD module comprises module upper cover, module lower cover and is connected inserted sheet; Connect inserted sheet top to be connected with PCB plate; The module lower cover inserted sheet passing hole corresponding with connecting inserted sheet position is covered with under module; Module lower cover left and right edges is respectively equipped with cover latch under module; The left and right wall of module upper cover is provided with hole clipping; The upper surface of module upper cover is also respectively equipped with power supply, ground connection and Indication of Losing Efficacy lamp show hole; The two sides, left and right of module upper cover is provided with fixing buckle, and described fixing buckle both sides are also provided with location fin.
Described inlet wire insulating end plate be provided with hexagonal apertures; The limit, four, front of inlet wire insulating end plate is provided with raised brim; Wherein three raised brim centre positions are provided with end plate and install through hole, and in the middle of another raised brim, seat is provided with I type and installs end plate fixed leg; Four angles place in front is equipped with four II type stepped installation end plate fixed legs; The center line of back side left and right edges is provided with fixed leg with upper/lower positions; Earth terminal draw-in groove is provided with in the middle of back bottom.
Described inlet wire is installed end plate and is comprised header portion and mounting panel part; Described header portion and mounting plate portion divide angle in 90 °; Header portion is orthogonal, and the centre position of header portion is provided with circular incoming line; Four angles place is equipped with four II type through holes; The centre position on header portion four limit is equipped with screw mounting hole; Mounting plate portion is arranged with three mounting grooves.
This PDU also comprises monitoring module, zero fiery double-break switch and circuit breaker; Monitoring module, zero fiery double-break switch (14) and circuit breaker are installed in the enclosure, respectively in the inlet wire side of multiple socket module; Monitoring module and multiple socket modules in parallel, zero fiery double-break switch and circuit breaker and multiple socket module are connected.
The present invention connects low-resistance, reliable, lasting, stable and temperature rise is little, eliminates risk on fire; Energized conductor whole process is fixed, electrical contact point is closed in insulation crust body, eliminates the electrical safety such as short circuit, contact oxidation hidden danger.This PDU can realize inner annular distribution, eliminates Single Point of Faliure and has a power failure, reduce multipoint fault power failure range; Bus is omnidistance without disconnecting point, and be connected firmly, node is clean.Avoid and adopt soldering or self-tapping screw to connect, because sandwich effect, electric stress and thermal stress effects cause the too high problem that there is risk on fire of temperature rise; Improve distribution reliability.Outer cover height and width all control the standard at 1U, and be 44mm, overall dimension is little, save the valuable rack useful space
Change SPD module in the present invention simultaneously and need not cut off power supply, the work of power supply object can not be affected, realize the warm connection function of SPD module in PDU electric power source distribution device circuit.
Accompanying drawing explanation
Fig. 1 is: PDU electric power source distribution device explosive view;
Fig. 2 is: GB-10A module 9 explosive view;
Fig. 3 is: wire and shell fragment installation diagram;
Fig. 4 is: GB-10A module 9 installation diagram;
Fig. 5 is: cross-sectional outer view;
Fig. 6 is: SPD module A base 121 structure chart, comprises (d) front view, (e) vertical view, (c) left view, (a) and (b) measurements of the chest, waist and hips figure;
Fig. 7 is: SPD module B base 124 structure chart, comprises (d) front view, (e) vertical view, (c) left view, (a) and (b) measurements of the chest, waist and hips figure;
Fig. 8 is: SPD module lower cover 123 structure chart; Comprise (a) front view, (b) A-A cutaway view; (C) stereogram;
Fig. 9 is: SPD module 12 explosive view;
Figure 10 is: SPD module 12 installation diagram, comprises (b) front view, (d) vertical view, (c) left view, (a) right view, (e) measurements of the chest, waist and hips figure;
Figure 11 is: shell fragment " U " draw-in groove A front view;
Figure 12 is: the C-C cutaway view of shell fragment " U " draw-in groove A;
Figure 13 is: shell fragment " U " draw-in groove A front view;
Figure 14 is: the stereogram of shell fragment " U " draw-in groove A embodiment;
Figure 15 is: the stereogram of the another kind of embodiment of shell fragment " U " draw-in groove A; Comprise (a) front view, (b) measurements of the chest, waist and hips figure
Figure 16 is: inlet wire insulating end plate 3 stereogram; Comprise (a) front, (b) back side;
Figure 17 is: inlet wire insulating end plate 3 structure chart; Comprise (b) upward view, (a) vertical view, (d) C-C cutaway view, (c) B-B cutaway view;
Figure 18 is: insulating end plate 6 structure chart, comprise (a) upward view, (b) vertical view, (c) C-C cutaway view, (d) B-B cutaway view, a direction view of (e) insulating end plate 6, another direction view of (f) insulating end plate 6;
Figure 19 is: inlet wire installs end plate 2 structure chart, comprises (a) front view, (b) vertical view, (c) left view, (d) measurements of the chest, waist and hips figure;
Figure 20 is: install end plate 7 structure chart, comprise (a) front view, (b) vertical view, (c) left view, (d) measurements of the chest, waist and hips figure;
Figure 21 is: exchange PDU electric power source distribution device installation diagram;
Figure 22 is: exchange PDU electric power source distribution device installation diagram right view;
Figure 23 is: exchange PDU electric power source distribution device installation diagram left view;
Figure 24 be temperature rise saturated time moisture recorder sectional drawing I;
Figure 25 be temperature rise saturated time moisture recorder sectional drawing II.
Wherein,
Waterproof connector lug 1
Opening installs end plate 2, header portion 21 and mounting panel part 22, circular incoming line 23, II type through hole 24, screw mounting hole 25, mounting groove 26.
Opening insulating end plate 3, front 31 and the back side 32, end plate is installed through hole 33, I type and is installed end plate fixed leg 34A, II type stepped installation end plate fixed leg 34B, bayonet lock 35, fixed leg 36, earth terminal draw-in groove 37.
Shell 4, shell 4: end plate mounting rail 41 and chute 42, breach 43, groove 44, fixed installation draw-in groove 45
Line winder 5,
Insulating end plate 6,
End plate 7 is installed
General-purpose module 8, GB-10A module 9, IEC-C13-module 10, IEC-C19-module 11, upper cover 91, PE shell fragment 92, N shell fragment 93, L shell fragment 94 and lower cover 95, protruding bayonet lock 911, fixing port 912, annular wiring hole 913, L wire clamping connected hole 914, PE wire clamping connected hole 915 and N wire clamping connected hole 916, fore-set 951, buckle 952, wire clamping connected hole regulating block 953
SPD module 12, A base 121, upper cover 122, module lower cover 123 and, B base 124 and SPD module shell fragment 125, connect inserted sheet 126, pcb board 127
Monitoring module 13
Zero fiery double-break switch 14,
Circuit breaker 15,
Bus-PE 16, bus-L17 and bus-N18
" U " shape draw-in groove A copper sheet draw-in groove (A00); One-level cutting edge (A01); Main body (A02); First-order traverse bayonet socket (A03); Knife edge (A04); Secondary cutting edge (A05); Secondary wire bayonet socket (A06); Body width (a); First-order traverse bayonet socket height (b); Secondary wire bayonet socket width (c); First-order traverse bayonet socket width (d); First-order traverse bayonet socket width (e); One-level edge width (f); Secondary edge width (g); Body thickness (h); Secondary cutting edge height (i); Knife edge width (j); The angle (k) of one-level cutting edge and first-order traverse bayonet socket axis; Secondary wire bayonet socket height (l); The angle (m) of secondary cutting edge and secondary wire bayonet socket axis.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further elaborated.
As shown in Fig. 1,20 to 23, the highly reliable PDU of this through bus plug-in super large load capacity annular distribution, comprises waterproof connector lug 1, inlet wire installation end plate 2, inlet wire insulating end plate 3, shell 4, line winder 5, insulating end plate 6, installs end plate 7, general-purpose module 8, GB-10A module 9, IEC-C13 module 10, IEC-C19 module 11, SPD module 12, the fiery double-break switch 14 of monitoring module 13, zero, circuit breaker 15, bus-PE 16, bus-L17 and bus-N18.
Shell
As shown in Figure 5, described shell 4 is " Qian " shape groove, comprises the chute 42 of end plate mounting rail 41 and axial through shell 4; Described end plate mounting rail 41 is separately positioned on the symmetrical position of shell 4 inwall and the centre position of shell 4 lower wall, and end plate mounting rail 41 axially through shell 4; " Qian " shape groove internal fixtion that universal contact receptacle module 8, GB-10A socket module 9, IEC-C13 socket module 10, IEC-C19 socket module 11, SPD module 12, monitoring module 13, double-break switch 14 and circuit breaker 15 slip into shell 4 respectively by chute 42 is installed.
The inwall upper surface, left and right of the shell 4 described in Fig. 5,21 to 23, also comprise the breach 43 axially running through shell 4, lower surface left and right edges is symmetrical is respectively provided with the groove 44 axially run through, line winder 5 is separately fixed on the right outer surfaces of shell 4 by breach 43 and groove 44, and the following upper/lower positions of center line of two side external surfaces of shell 4 is respectively equipped with fixed installation draw-in groove 45.
Two axial ends of described end plate mounting rail 41 are provided with tapping screw installing hole, and inlet wire installs end plate 2 and inlet wire insulating end plate 3 is arranged on the one end on the axial end of end plate mounting rail 41 by tapping screw.
Module
As shown in Figure 1, universal contact receptacle module 8, GB-10A socket module 9, IEC-C13 socket module 10, IEC-C19 socket module 11, SPD module 12, the monitoring fiery double-break switch 14 of module 13, zero and circuit breaker 15 link up by bus-PE 16, bus-L17 and bus-N18.
The structure of the universal contact receptacle module 8 described in this scheme, GB-10A socket module 9, IEC-C13 socket module 10, IEC-C19 socket module 11 is identical substantially, all comprises the upper cover 91 and lower cover 95 that mutually fasten and three shell fragments be installed in upper and lower cover thereof.Distinguish the jack openings at upper cover 91, the mounting structure of each shell fragment in it, the position that shell fragment contacts with the latch of plug, and the corresponding construction of lower cover can do local directed complete set as required.
For GB-10A module 9, as shown in Fig. 2,3 and 4, this GB-10A socket module 9 comprises upper cover 91, PE shell fragment 92, N shell fragment 93, L shell fragment 94 and lower cover 95, the edge of described upper cover 91 is provided with protruding bayonet lock 911, and described protruding bayonet lock 911 matches with chute 42, GB-10A socket module 9 also comprises annular wiring hole 913, L wire clamping connected hole 914, PE wire clamping connected hole 915 and N wire clamping connected hole 916, PE shell fragment 92, N shell fragment 93, L shell fragment 94 insert the correspondence position of upper cover 91, described PE shell fragment 92, N shell fragment 93, L shell fragment 94 is connected with respective " U " shape draw-in groove A respectively by respective connecting portion, described bus-PE 16, bus-L17 and bus-N18 is with the PE wire clamping connected hole 915 of the form of straight line respectively by correspondence, L wire clamping connected hole 914 and N wire clamping connected hole 916, typically " U " shape draw-in groove A diagonally arranges in the inside of GB-10A module 9, make the spacing of each " U " draw-in groove large as much as possible, contact with each other and short circuit because of during external force deformation to avoid shell fragment, and when meeting with instantaneous pressure, puncture air generation electric arc, and can safety align with corresponding wire clamping connected hole respectively accurately, lower cover 95 also comprises fore-set 951 and three buckles 952, and buckle 952 coordinates with the fixing port 912 of upper cover.After lower cover 95 is arranged on upper cover 91, described fore-set 951 withstands the proper site of shell fragment of PE shell fragment 92, N shell fragment 93, L shell fragment 94, and this proper site is generally connecting portion, and what make it install is more firm; Described buckle 952 triangularity arrangement; Lower cover 95 can freely can be changed according to load current size requirements, different lower cover 95 tools to be changed to wire clamping connected hole regulating block 953 height different, wire clamping connected hole regulating block 953 is higher, and wire clamping connected hole is less, number of conductors less and/or can load electric current also less; Otherwise, as the same.Two annular wiring holes 913 can arrange bus-L17 and bus-N18 respectively, realize annular distribution.
Described bus-PE 16, bus-L17 and bus-N18 by fast ram plug-in be connected be connected to corresponding " U " in shape draw-in groove A, it is bus-PE 16, bus-L17 and bus-N18 are snapped in fast in " U " shape draw-in groove A by line body in the mode of punching press by high pressure punch press that fast ram plug-in connects.
Described " U " shape draw-in groove A can comprise the draw-in groove of multiple width, and general draw-in groove width can be set to for cross section 2.5mm
2with cross section 4mm
2wire simultaneously clamping.The fast ram plug-in of this programme connects low-resistance, reliably, lastingly, stablizes, and temperature rise is little, eliminates risk on fire; Energized conductor whole process is fixed, electrical contact point is closed in insulation crust body, eliminates the electrical safety such as short circuit, contact oxidation hidden danger; Inner annular distribution can be realized, eliminate Single Point of Faliure and have a power failure, reduce multipoint fault power failure range; Bus is omnidistance without disconnected node, and be connected firmly, node is clean.When avoiding employing soldering or self-tapping screw connection, because sandwich effect, electric stress and thermal stress effects cause temperature rise to there is the problem of risk on fire; Improve distribution reliability.
Shell fragment
As shown in Figure 11 to 15, described PE shell fragment 92, N shell fragment 93, L shell fragment 94,
Each shell fragment comprises " U " draw-in groove A, its main body A 02 at least has a first-order traverse bayonet socket A03, and for convenience of using fast ram plug-in to connect, the both sides of the opening part of described first-order traverse bayonet socket A03 are respectively arranged with one-level cutting edge A01.The top of described first-order traverse bayonet socket A03 is also provided with secondary wire bayonet socket A06, is respectively arranged with secondary cutting edge A05 in the both sides of the opening part of this secondary wire bayonet socket A06, and secondary wire bayonet socket width c is less than the sword body width e of one-level cutting edge.
The top of described secondary wire bayonet socket A06 is also provided with three grades of wire bayonet sockets, is respectively arranged with three grades of cutting edges in the both sides of the opening part of these three grades of wire bayonet sockets, and three grades of wire bayonet socket width are less than the sword body width c of secondary cutting edge.
Described one-level cutting edge A01 is monocline face sword or double inclined plane sword, and its knife edge width j is 0.3mm, and one-level edge width f is 1mm, and the angle k of one-level cutting edge and first-order traverse bayonet socket axis is 45 °.
First-order traverse bayonet socket width e is 1.7mm, and first-order traverse bayonet socket height b is 5mm; One-level cutting edge A01 and first-order traverse bayonet socket A03 coordinates and is used for clamping core cross-sectional area is 4mm
2power lead.
Described secondary cutting edge A05 is monocline face sword or double inclined plane sword, and its knife edge width j is 0.3mm, and secondary edge width g is 0.25mm; Secondary cutting edge height i is 1.4mm; The angle m of secondary cutting edge and secondary wire bayonet socket axis is 45 °.
Secondary wire bayonet socket width c is 1.2mm, and secondary wire bayonet socket height l is 3mm; Secondary cutting edge A05 and secondary wire bayonet socket A06 coordinates and is used for clamping core cross-sectional area is 2.5mm
2power lead.
Body thickness h is 0.6mm.
The sword body width d of one-level cutting edge is at least 2.4mm.
Body width a is at least 7 ± 0.05mm.
" U " draw-in groove A of general shell fragment is set to a slice, is a kind of embodiment.As shown in figure 15, also embodiment is for an Europe superscript socket module, because this module may carry larger load current, as C19 module can load 20A electric current, in order to improve effective electrical contact area of " U " draw-in groove A, by two " U " draw-in groove A at regular intervals distance overlap.
Insulated end cover
As shown in Figure 16,17 and 18, insulated end cover comprises inlet wire insulating end plate 3 and insulating end plate 6; Described inlet wire insulating end plate 3 and insulating end plate 6 are square; The centre of inlet wire insulating end plate 3 is provided with the hexagonal apertures of installing waterproof connector lug 1; Described inlet wire insulating end plate 3 comprises front 31 and the back side 32, limit, 31 4, front is provided with raised brim and coordinates with shell end face, wherein three raised brim centre positions are provided with end plate and install through hole 33, in the middle of another raised brim, seat is provided with I type and installs end plate fixed leg 34A, installs end plate fixed leg 34A and matches with the screw mounting hole 25 on inlet wire mounting panel 2; Four angles place in described front 31 is equipped with four II types and installs end plate fixed leg 34B, and the II type through hole 24 that II type installation end plate fixed leg 34B and inlet wire are installed on end plate 2 cooperatively interacts.The two ends, top at the described back side 32 are provided with bayonet lock 35, and this bayonet lock 35 coordinates with the chute 42 of shell 4; The center line of the back side 32 left and right edges is provided with fixed leg 36 with upper/lower positions, and this fixed leg 36 coordinates with the fixed installation draw-in groove 45 inner bulge part of shell 4.Earth terminal draw-in groove 37 is provided with, for fixing PDU earthing of casing terminal in the middle of bottom the back side 32.
As shown in figure 18, described insulating end plate 6 is do not have hexagonal apertures with the difference of inlet wire insulating end plate 3, and all the other structures are all same or similar.
Mounting panel
As shown in Figure 19,20, described mounting panel comprises, and inlet wire is installed end plate 2 and installed end plate 7; Described line inlet wire mounting panel 2 comprises header portion 21 and mounting panel part 22, described header portion 21 and mounting panel part 22 angle in 90 °; Header portion 21 one-tenth square, the centre position of header portion 21 is provided with circular incoming line 23; Four angles place is equipped with four II type through hole 24, II type through holes 24 and matches with the II type stepped installation end plate fixed leg 34B on inlet wire insulating end plate 3; The centre position on header portion 21 4 limit is equipped with screw mounting hole 25; Described mounting panel part 22 is provided with three mounting grooves 26.
The difference of installing end plate 2 of described installation end plate 7 and inlet wire with there is no circular incoming line 23, the architectural feature of other parts is same or similar.
Insulating end plate 6 and installation end plate 7 are arranged on the other end on the axial end of end plate mounting rail 41 by tapping screw, inlet wire end plate 2 is installed and install end plate 7 can as required with enclosure axis to center line for axle, any half-twist, 180 °, 270 ° adjustment are fixing.
SPD module
As shown in Fig. 6 to 10, SPD module comprises base module and plug-in module; Base module is arranged in shell 4 and connects with PDU circuit, and plug-in module is plugged on base module, is connected with PDU circuit by base module.
Described base module comprises A base 121, B base 124 and SPD module shell fragment 125; A base 121 and B base 124 are " Qian " shape, the bottom of A base 121 and B base 124 is equipped with the cavity 1211 and 1242 installing SPD module shell fragment 125, SPD module shell fragment 125 can be wrapped in these two cavitys 1211 and 1242 when A base 121 and B base 124 snap together; The bottom inner surface of A base 121 is provided with three inserted sheets by groove 1212, the bottom inner surface of B base 124 is provided with three inserted sheets and is combined by breach 1241 by the inserted sheet of groove 1212 and B base 124 by the inserted sheet of breach 1241, A base 121 and form base inserted sheet passing hole; The position of base inserted sheet passing hole is corresponding with the position of SPD module shell fragment in cavity; The left and right wall of described A base 121 is provided with buckle 1213, the left and right wall of B base 124 is provided with the draw-in groove 1243 corresponding with previous mentioned snap, A base 121 and B base 124 are installed mutually more firm, SPD module shell fragment 125 is wrapped in cavity more firm.
Described plug-in module comprises module upper cover 122, module lower cover 123 and is connected inserted sheet 126; Connect inserted sheet 126 top to be connected with pcb board 127; Module lower cover 123 is provided with the module lower cover inserted sheet passing hole 1231 corresponding with connecting inserted sheet 126 position; When plug-in module is plugged on base module, connect inserted sheet 126 is connected to SPD module shell fragment 125 correspondence position by base inserted sheet passing hole and module lower cover inserted sheet 1231 passing hole; Module lower cover 123 left and right edges is respectively equipped with cover latch 1232 under module, and pcb board 127 is fixed in the cavity of module upper cover 122 by the bottom that module lower cover 123 is fastened on module upper cover 122; The left and right wall of described module upper cover 122 is provided with the hole clipping be clasped with module lower cover, and the upper surface of module upper cover 122 is also respectively equipped with power supply, ground connection and Indication of Losing Efficacy lamp show hole; The two sides, left and right of module upper cover 122 is provided with the fixing buckle be locked in by plug-in module on base module, and described fixing buckle both sides are also provided with when location fin makes plug-in module inserted base module more firm.By biased connection inserted sheet 126, realize foolproof function.
A base 121, B base 124 and SPD module shell fragment 125 form base module entirety, and are arranged in shell 4 and link PDU circuit; Described module upper cover 122, module lower cover 123 be connected inserted sheet 126 and form plug-in module entirety, be arranged on base module and be parallel in PDU circuit; Plug-in module can be changed as required, need not power supply be cut off simultaneously, the work of power supply object can not be affected, realize the warm connection function of SPD module in PDU electric power source distribution device circuit.
Temperature rise is tested
Specify according to " People's Republic of China (PRC) communication industry standard YD/T2063-2009 ": experimental period one hour, temperature rise not more than 45K.This experiment for reaching more convictive effect, measured data be measured piece reach filament saturation constant time data, duration 3 hours.
Experimental facilities: without paper temperature rise recorder (producer: Hangzhou Mei Kong Autotek S. r. l., model MIK5016A, numbering 210904011E36001),
Experiment condition: load 4 groups, often organize electric current 16A, resistance 15 Ω, rated power 10KW, experiment bearing power 4KW, total load 64A, supply voltage 250V, PDU busbar cross-section amasss 9mm
2., ring busbars 4+2.5mm
2
Experimental subjects: the highly reliable PDU of through bus plug-in super large load capacity annular distribution.
Experimental technique: to be detected respectively by temp.-sensing wire without paper temperature rise recorder and record the temperature of plug, PDU shell, input cable crust, copper sheet (shell fragment) and environment, until every temperature reaches capacity.
Record form is as follows:
Table 1
Table 1 is corresponding with Figure 24.
Table 2
Table 2 is corresponding with Figure 25.
Can find out that temperature rise is the highest at about 20K according to table 1 and 2, the 45K required in " People's Republic of China (PRC) communication industry standard YD/T2063-2009 ".
Experimental data is had to obtain: the present invention connects low-resistance, reliable, lasting, stable and temperature rise is little, eliminates risk on fire.Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to so special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (10)
1. the highly reliable PDU of through bus plug-in super large load capacity annular distribution, is characterized in that: comprise waterproof connector lug (1), inlet wire installation end plate (2), inlet wire insulating end plate (3), shell (4), line winder (5), insulating end plate (6), install end plate (7), multiple socket module, bus-PE (16), bus-L (17) and bus-N (18); Described waterproof connector lug (1) is arranged on inlet wire and installs on end plate (2); Inlet wire installation end plate (2) and wiring insulating end plate (3) overlap are arranged on the end of incoming cables of shell (4); Multiple socket module is arranged in shell (4); Installation end plate (7) and insulating end plate (6) overlap are arranged on the blind end of shell (4); Bus-PE (16), bus-L (17) and bus-N (18) are arranged on the inside of multiple socket module respectively, are electrically connected by aforementioned all parts; Line winder (5) is arranged on the left and/or right outer wall of shell (4).
2. PDU according to claim 1, is characterized in that: described shell (4) is " Qian " shape groove; Inside the left and right wall of shell (4), symmetric position and inner bottom surface centre position are respectively equipped with end plate mounting rail (41), end plate mounting rail (41) is through shell (4) axially, and two axial ends of plate mounting rail (41) are respectively equipped with through hole; The left and right wall inside upper part of shell (4) is provided with chute (42); The inwall upper surface, left and right of shell (4) is provided with breach (43), and breach (43) is through shell (4) axially; The left and right edges of shell (4) outer bottom is symmetrical is respectively provided with groove (44), and groove (44) is through shell (4) axially; The center line of two side external surfaces of shell (4) is respectively equipped with fixed installation draw-in groove (45) with upper/lower positions.
3. PDU according to claim 1, it is characterized in that: described socket module comprises PE shell fragment, N shell fragment and L shell fragment, described PE shell fragment, N shell fragment and L shell fragment all comprise " U " draw-in groove (A), its main body (A02) at least has a first-order traverse bayonet socket (A03), the both sides of the opening part of described first-order traverse bayonet socket (A03) are respectively arranged with one-level cutting edge (A01).
4. PDU according to claim 3, it is characterized in that: the top of described first-order traverse bayonet socket (A03) is also provided with secondary wire bayonet socket (A06), be respectively arranged with secondary cutting edge (A05) in the both sides of the opening part of this secondary wire bayonet socket (A06), secondary wire bayonet socket width (c) is less than first-order traverse bayonet socket width (d).
5. PDU according to claim 4, it is characterized in that: the top of described secondary wire bayonet socket (A06) is also provided with three grades of wire bayonet sockets, be respectively arranged with three grades of cutting edges in the both sides of the opening part of these three grades of wire bayonet sockets, three grades of wire bayonet socket width are less than sword body width (c) of secondary cutting edge.
6., according to the arbitrary described PDU of claim 3 to 5, it is characterized in that: described socket module also comprises upper cover and lower cover, the edge of upper cover is provided with protruding bayonet lock; Upper cover lower limb is provided with annular wiring hole, L wire clamping connected hole, PE wire clamping connected hole and N wire clamping connected hole; PE shell fragment, N shell fragment, L shell fragment insert the correspondence position of upper cover; Lower cover inside is provided with fore-set, and two pairs of opposite side of lower cover are that position is respectively equipped with buckle and wire clamping connected hole regulating block.
7. PDU according to claim 1, is characterized in that: also comprise SPD module, and SPD module is arranged in shell (4), with socket modules in parallel; Described SPD module comprises draws together base module, plug-in module and pcb board (127); Base module is arranged in shell (4), and plug-in module is plugged on base module; Pcb board (127) is arranged on plug-in module inside;
The base module of described SPD module comprises A base (121), B base (124) and SPD module shell fragment (125); Described A base (121) and B base (124) are " Qian " shape; A base (121) bottom is provided with cavity (1211), and the bottom of B base (124) is equipped with cavity (1242); The bottom inner surface of A base (121) is provided with three inserted sheets by groove (1212), and the bottom inner surface of B base (124) is provided with three inserted sheets by breach (1241); The left and right wall of described A base 121 is provided with buckle (1213), and the left and right wall of B base (124) is provided with draw-in groove (1243).
The plug-in module of described SPD module comprises module upper cover (122), module lower cover (123) and is connected inserted sheet (126); Connect inserted sheet (126) top to be connected with pcb board (127); Module lower cover (123) is provided with module lower cover inserted sheet passing hole (1231) corresponding with connecting inserted sheet (126) position; Module lower cover (123) left and right edges is respectively equipped with cover latch (1232) under module; The left and right wall of module upper cover (122) is provided with hole clipping; The upper surface of module upper cover (122) is also respectively equipped with power supply, ground connection and Indication of Losing Efficacy lamp show hole; The two sides, left and right of module upper cover (122) is provided with fixing buckle, and described fixing buckle both sides are also provided with location fin.
8. PDU according to claim 1, is characterized in that: described inlet wire insulating end plate (3) be provided with hexagonal apertures; The limit, (31) four, front of inlet wire insulating end plate (3) is provided with raised brim; Wherein three raised brim centre positions are provided with end plate and install through hole (33), and in the middle of another raised brim, seat is provided with I type and installs end plate fixed leg (34A); Four angles place in front (31) is equipped with four II type stepped installation end plates fixed leg (34B); The center line of the back side (32) left and right edges is provided with fixed leg (36) with upper/lower positions; The back side (32) is provided with earth terminal draw-in groove (37) in the middle of bottom.
9. PDU according to claim 1, is characterized in that: described inlet wire is installed end plate (2) and comprised header portion (21) and mounting panel part (22); Described header portion (21) and mounting panel part (22) angle in 90 °; Header portion (21) is orthogonal, and the centre position of header portion 21 is provided with circular incoming line (23); Four angles place is equipped with four II type through holes (24); The centre position on header portion (21) four limit is equipped with screw mounting hole (25); Mounting panel part (22) is provided with three mounting grooves (26).
10. PDU according to claim 1, is characterized in that: also comprise monitoring module (13), zero fiery double-break switch (14) and circuit breaker (15); Monitoring module (13), zero fiery double-break switch (14) and circuit breaker (15) are arranged in shell (4), in the inlet wire side of multiple socket module respectively; Monitoring module (13) and multiple socket modules in parallel, zero fiery double-break switch (14) and circuit breaker (15) and multiple socket module are connected.
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| CN201410583458.4A CN104393496B (en) | 2014-07-24 | 2014-10-24 | The highly reliable PDU of insertion bus plug-in super large load capacity annular distribution |
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| CN2014103556531 | 2014-07-24 | ||
| CN201410355653 | 2014-07-24 | ||
| CN201410583458.4A CN104393496B (en) | 2014-07-24 | 2014-10-24 | The highly reliable PDU of insertion bus plug-in super large load capacity annular distribution |
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| CN112042284A (en) * | 2018-01-31 | 2020-12-04 | 伊顿智能动力有限公司 | Power distribution unit with internal busbar |
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Effective date of registration: 20190524 Address after: 510900 Guangzhou Conghua Economic Development Zone, Guangdong Province, No. 13 Xinlu High-tech Industrial Park Patentee after: Guangzhou Nandun Communications Equipment Co., Ltd. Address before: 610000 No. 68 Taopi Road, Chenghua District, Chengdu City, Sichuan Province, No. 39, Building 1, Building 10 Patentee before: Li Daiming |
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