CN204304223U - The highly reliable PDU of through bus plug-in super large load capacity annular distribution - Google Patents
The highly reliable PDU of through bus plug-in super large load capacity annular distribution Download PDFInfo
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- CN204304223U CN204304223U CN201420626487.XU CN201420626487U CN204304223U CN 204304223 U CN204304223 U CN 204304223U CN 201420626487 U CN201420626487 U CN 201420626487U CN 204304223 U CN204304223 U CN 204304223U
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- 238000000034 method Methods 0.000 abstract description 4
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- MXVAYAXIPRGORY-UHFFFAOYSA-N 1,2,3-trichloro-5-(3,5-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(C=2C=C(Cl)C(Cl)=C(Cl)C=2)=C1 MXVAYAXIPRGORY-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses the highly reliable PDU of a kind of through bus plug-in super large load capacity annular distribution, 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.Fast ram plug-in 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.Annular distribution, eliminates Single Point of Faliure, reduces multipoint fault power failure range; Bus is omnidistance without disconnecting point, is connected firmly.Temperature rise is too low, without risk on fire; Distribution reliability is high.Overall dimension is little, conserve space.SPD module possesses warm connection function.
Description
Technical Field
The utility model belongs to rack supply socket field especially relates to an accurate power distribution unit.
Background
The PDU refers to a Power Distribution Unit, is an acronym of English Power Distribution Unit, and is mainly applied to places such as cabinets and the like which have high requirements on Power supply reliability. Different output interfaces such as power socket modules, wires or wires with plugs and the like with various system standards in the world such as national standard, European standard, English standard, American standard and the like can be selected to be combined at will, so that different requirements of multi-country customers are met; double-power input can be realized; different input incoming line positions such as product end input, product front panel input, product rear input and the like can be adopted; the intelligent socket comprises a selectable wiring terminal, a 16A national standard plug, various industrial couplers and other various input interfaces. The SPD module can provide multiple circuit protection functions: lightning stroke and surge protection: maximum impact current resistance: 5KA or higher; limiting voltage: the voltage is less than or equal to 1.3kV or lower, the device has short-circuit protection and protection failure indication functions, and can be used for fine surge protection of an equipment end through professional detection of a national authority test center; the current and voltage monitoring module with LED display can be provided, and real-time monitoring of current and voltage is realized; anti-misoperation: the PDU master control switch is provided with a misoperation prevention protective cover, so that accidental power failure caused by misoperation can be prevented.
However, the load current of the PDU in the prior art is small; the output port is not compatible with the socket and the lead with the plug; the internal wires are generally connected through tin soldering or self-tapping screws, and the risk of fire is caused by overhigh temperature rise due to the sandwich effect, the electrical stress and the thermal stress effect; potential safety hazards exist when the internal bus and the connection point conductor are exposed; the single-point fault disconnection can cause output power failure; the bus has many breakpoints and joints and low reliability; the load current is limited; the overall dimension is large, and precious cabinet effective space is occupied; the full-manual production has low assembly efficiency and difficult guarantee of quality consistency.
Meanwhile, in the prior art, the SPD module in the PDU circuit is fixedly installed in the access circuit in the shell, if the SPD module is damaged in work, the whole PDU circuit is cut off, the SPD module is replaced or the whole PDU circuit is replaced, and the work of a power supply object is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve as follows:
A. in the prior art, the load current of the PDU is small;
B. the internal wires are connected through soldering or self-tapping screws, and the risk of fire is caused by overhigh temperature rise due to the sandwich effect, the electrical stress and the thermal stress of soldering;
C. potential safety hazards of exposed conductors;
D. single point failure outage;
E. the bus has many breakpoints and joints and low reliability;
F. the load current is limited;
G. the PDU power distributor has an overlarge volume;
H. the SPD module is fixed in the circuit, and the SPD module cannot be replaced and maintained on the premise of not influencing the work of a power supply object.
In order to achieve the purpose of the invention, the technical scheme of the utility model is as follows: the through bus clamping type ultrahigh-load-capacity annular wiring high-reliability PDU comprises a waterproof wiring head, an incoming line mounting end plate, an incoming line insulating end plate, a shell, a wire arranging device, an insulating end plate, a mounting end plate, a plurality of socket modules, a bus-PE, a bus-L and a bus-N; the waterproof connector lug is arranged on the inlet wire mounting end plate; the wire inlet mounting end plate and the wire mounting insulation end plate are arranged at the wire inlet end of the shell in an overlapping mode; a plurality of socket modules are arranged in the shell; the mounting end plate and the insulating end plate are overlapped and mounted at the closed end of the shell; the bus-PE, the bus-L and the bus-N are respectively arranged in the socket modules to electrically connect the above parts; the wire organizer is mounted on the left and/or right outer wall of the housing.
The shell is a U-shaped groove; the symmetrical positions of the inner sides of the left and right vertical walls of the shell and the middle position of the inner bottom surface are respectively provided with an end plate mounting beam, the end plate mounting beams axially penetrate through the shell, and two axial end surfaces of the plate mounting beams are respectively provided with a through hole; the upper parts of the inner sides of the left and right vertical walls of the shell are provided with sliding chutes; notches are arranged on the upper end surfaces of the left inner wall and the right inner wall of the shell, and the notches axially penetrate through the shell; the left edge and the right edge of the outer bottom surface of the shell are respectively symmetrically provided with a groove which axially penetrates through the shell; and the positions below the central lines of the outer surfaces of the two sides of the shell are respectively provided with a fixed mounting clamping groove.
The socket module comprises a PE elastic sheet, an N elastic sheet and an L elastic sheet, wherein the PE elastic sheet, the N elastic sheet and the L elastic sheet all comprise a U-shaped clamping groove, at least one level of wire bayonet is arranged on a main body of the socket module, and one level of cutting edges are respectively arranged on two sides of an opening of the level of wire bayonet.
The upper portion of the first-stage wire bayonet is also provided with a second-stage wire bayonet, two sides of an opening of the second-stage wire bayonet are respectively provided with a second-stage cutting edge, and the width of the second-stage wire bayonet is smaller than that of the first-stage wire bayonet.
And a third-level wire bayonet is also arranged above the second-level wire bayonet, three-level cutting edges are respectively arranged on two sides of the opening of the third-level wire bayonet, and the width of the third-level wire bayonet is smaller than that of the blade body of the second-level cutting edge.
The socket module also comprises an upper cover and a lower cover, wherein the edge of the upper cover is provided with a raised bayonet lock; the lower edge of the upper cover is provided with an annular wiring hole, an L lead clamping hole, a PE lead clamping hole and an N lead clamping hole; the PE elastic sheet, the N elastic sheet and the L elastic sheet are inserted into corresponding positions of the upper cover; the inside fore-set that is equipped with of lower cover, two pairs of opposite sides of lower cover are equipped with buckle and wire joint hole regulating block respectively for the position.
The SPD module is arranged in the shell and is connected with the socket module in parallel; the SPD module comprises a base module, a plug-in module and a PCB; the base module is arranged in the shell, and the plug-in module is inserted on the base module; the PCB is arranged inside the plugging module;
the base module of the SPD module comprises a base A, a base B and an SPD module elastic sheet; the base A and the base B are both U-shaped; the lower part of the base A is provided with a cavity, and the lower part of the base B is provided with cavities; the lower surface in the base A is provided with three inserting sheet passing grooves, and the lower surface in the base B is provided with three inserting sheet passing notches; the left and right vertical walls of the base A121 are provided with buckles, and the left and right vertical walls of the base B are provided with clamping grooves.
The plug-pull module of the SPD module comprises an upper module cover, a lower module cover and a connecting plug-in sheet; the upper part of the connecting insertion sheet is connected with the PCB; the module lower cover is provided with a module lower cover insert through hole corresponding to the position of the connecting insert; the left edge and the right edge of the module lower cover are respectively provided with a module lower cover buckle; the left and right vertical walls of the module upper cover are provided with clamping holes; the upper surface of the module upper cover is also respectively provided with a power supply, a grounding and a failure indicator lamp display hole; the left and right sides of the module upper cover are provided with fixing buckles, and two sides of each fixing buckle are also provided with positioning convex edges.
The inlet wire insulation end plate is provided with a hexagonal opening; the four edges of the front surface of the incoming line insulation end plate are provided with convex edges; the middle positions of the three raised edges are provided with end plate mounting through holes, and the middle position of the other raised edge is provided with an I-shaped mounting end plate fixing column; four II-shaped stepped mounting end plate fixing columns are arranged at four corners of the front surface; a fixing column is arranged below the central line of the left edge and the right edge of the back; the middle of the bottom of the back is provided with a grounding terminal clamping groove.
The inlet wire mounting end plate comprises an end plate part and a mounting plate part; the end plate part and the mounting plate part form an included angle of 90 degrees; the end plate part is rectangular, and a circular wire inlet is formed in the middle of the end plate part; four II-shaped through holes are formed in the four corners; screw mounting holes are formed in the middle positions of the four sides of the end plate part; the mounting plate portion is provided with three mounting grooves.
The PDU also comprises a monitoring module, a zero-fire double-break switch and a circuit breaker; the monitoring module, the zero-fire double-break switch (14) and the circuit breaker are respectively arranged in the shell and are arranged on the wire inlet sides of the socket modules; the monitoring module is connected with the socket modules in parallel, and the zero-fire double-break switch and the breaker are connected with the socket modules in series.
The utility model has low resistance, reliability, durability, stability and small temperature rise, and eliminates the fire risk; the whole process of the electrified conductor is fixed, and the electric contact point is sealed in the insulating outer shell, so that the electric potential safety hazards such as short circuit, contact oxidation and the like are eliminated. The PDU can realize internal annular wiring, eliminate single-point fault power failure and reduce the power failure range of multi-point fault; the bus has no broken point in the whole process, the connection is firm, and the nodes are clean. The problem that the fire risk is caused by overhigh temperature rise due to the sandwich effect, the electrical stress and the thermal stress effect because of the adoption of tin soldering or self-tapping screw connection is avoided; the power distribution reliability is improved. The height and the width of the shell are controlled to be in the standard of 1U, the shell is 44mm, the overall dimension is small, and the valuable cabinet effective space is saved
And simultaneously the utility model discloses the well SPD module of changing need not cut off the power supply, can not influence the work of power supply object, realizes the hot plug function of SPD module in PDU power distributor circuit.
Drawings
FIG. 1 is a diagram: PDU power distributor explosion diagram;
FIG. 2 is a diagram of: an explosion diagram of a GB-10A module 9;
FIG. 3 is a diagram of: a lead and spring plate assembly drawing;
FIG. 4 is a diagram of: assembly drawing of GB-10A module 9;
FIG. 5 is a diagram: a housing cross-sectional view;
FIG. 6 is a diagram of: the structure diagram of the base 121 of the SPD module A comprises (d) a front view, (e) a top view, (c) a left view, (a) and (b) three-dimensional diagrams;
FIG. 7 is a diagram of: the base 124 structure diagram of the SPD module B comprises (d) a front view, (e) a top view, (c) a left view, (a) and (B) three-dimensional diagrams;
FIG. 8 is a diagram of: the structure of the SPD module lower cover 123; comprises (a) a front view, (b) a sectional view A-A; (c) and (4) three-dimensional drawing.
FIG. 9 is a diagram of: an explosion diagram of the SPD module 12;
FIG. 10 is a diagram: an assembly drawing of the SPD module 12 comprises (b) a front view, (d) a top view, (c) a left view, (a) a right view and (e) a three-dimensional drawing;
FIG. 11 is a diagram of: the front view of the U-shaped clamping groove A of the elastic sheet;
FIG. 12 is a diagram: C-C section view of the U-shaped clamping groove A of the elastic sheet;
FIG. 13 is a graph of: the front view of the U-shaped clamping groove A of the elastic sheet;
FIG. 14 is a graph of: a perspective view of one embodiment of a clip U-shaped slot A;
FIG. 15 is a schematic diagram of: a perspective view of another embodiment of the clip groove A of the clip U; comprises (a) a front view and (b) a three-dimensional map
FIG. 16 is a graph showing: the incoming line insulation end plate 3 is in a perspective view; comprising (a) a front side, (b) a back side;
FIG. 17 is a graph of: the structure of the incoming line insulation end plate 3; comprises (B) a bottom view, (a) a top view, (d) a C-C section view, (C) a B-B section view;
FIG. 18 is a graph of: the structure of the insulating end plate 6 comprises (a) a bottom view, (B) a top view, (C) a C-C sectional view and (d) a B-B sectional view; (e) a view structure diagram; (f) a schematic structural diagram of another view angle;
FIG. 19 is a graph of: the structure diagram of the inlet wire installation end plate 2 comprises (a) a front view, (b) a top view, (c) a left view and (d) a three-dimensional view;
FIG. 20 is a graph of: the mounting end plate 7 is a structural view including (a) a front view, (b) a top view, (c) a left view, and (d) a three-dimensional view;
FIG. 21 is a graph: an alternating current PDU power distributor assembly drawing;
FIG. 22 is a schematic diagram of: an alternating current PDU power distributor assembly diagram A-A directional diagram;
FIG. 23 is a schematic diagram of: an alternating current PDU power distributor assembly diagram B-B directional diagram;
FIG. 24 is a temperature recorder screenshot I at temperature rise saturation;
fig. 25 is a temperature recorder screenshot II at temperature rise saturation.
Wherein,
waterproof connector lug 1
The opening is provided with an end plate 2, an end plate part 21 and a mounting plate part 22, a circular wire inlet 23, a II-shaped through hole 24, a screw mounting hole 25 and a mounting groove 26.
The insulating end plate 3 of opening, front 31 and back 32, end plate installation through-hole 33, I type installation end plate fixed column 34A, II type echelonment installation end plate fixed column 34B, bayonet lock 35, fixed column 36, ground terminal draw-in groove 37.
The shell 4, an end plate mounting beam 41, a sliding groove 42, a gap 43, a groove 44 and a fixed mounting clamping groove 45
A wire arranging device 5,
An insulating end plate 6,
Mounting end plate 7
Universal module 8, GB-10A module 9, IEC-C13-module 10, IEC-C19-module 11, upper cover 91, PE shrapnel 92, N shrapnel 93, L shrapnel 94 and lower cover 95, raised bayonet lock 911, fixed port 912, annular wiring hole 913, L conductor clamping hole 914, PE conductor clamping hole 915 and N conductor clamping hole 916, top column 951, buckle 952, conductor clamping hole regulating block 953
SPD module 12, A base 121, upper cover 122, module lower cover 123, B base 124, SPD module spring plate 125, connecting plug-in sheet 126 and PCB 127
Monitoring module 13
A zero-fire double-break switch 14,
A circuit breaker 15,
bus-PE 16, bus-L17 and bus-N18
The U-shaped clamping groove A is a copper sheet clamping groove (A00); a primary cutting edge (A01); a main body (A02); a primary wire bayonet (A03); a blade edge (A04); a secondary cutting edge (A05); a secondary lead bayonet (A06); a body width (a); the bayonet height (b) of the primary lead; a secondary lead bayonet width (c); a primary wire bayonet width (d); a primary wire bayonet width (e); a primary cutting edge width (f); secondary cutting edge width (g); a body thickness (h); a secondary edge height (i); a blade edge width (j); an included angle (k) between the primary cutting edge and the axis of the primary lead bayonet; the secondary lead bayonet height (l); and the included angle (m) between the secondary cutting edge and the axis of the secondary lead bayonet.
Detailed Description
The invention will be further elucidated with reference to the drawings and specific embodiments.
As shown in fig. 1 and 20 to 23, the through bus clamping type high-reliability PDU with ultra-large load capacity and annular wiring comprises a waterproof connector lug 1, an incoming line installation end plate 2, an incoming line insulation end plate 3, a shell 4, a wire arranging device 5, an insulation end plate 6, an installation end plate 7, a universal module 8, a GB-10A module 9, an IEC-C13 module 10, an IEC-C19 module 11, an SPD module 12, a monitoring module 13, a zero-fire double-break switch 14, a circuit breaker 15, a bus-PE 16, a bus-L17 and a bus-N18.
Outer casing
As shown in fig. 5, the outer shell 4 is a "u" shaped groove, and includes an end plate mounting beam 41 and a sliding groove 42 axially penetrating the outer shell 4; the end plate mounting beams 41 are respectively arranged at the left-right symmetrical positions of the inner wall of the shell 4 and the middle position of the lower wall of the shell 4, and the end plate mounting beams 41 axially penetrate through the shell 4; the universal socket 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 breaker 15 are respectively slid into U-shaped grooves of the shell 4 through the sliding grooves 42 and fixedly installed.
Fig. 5 and 21 to 23 show the upper end surfaces of the left and right inner walls of the housing 4, further including a notch 43 axially penetrating the housing 4, the left and right edges of the lower end surface are respectively and symmetrically provided with an axially penetrating groove 44, the wire arranging device 5 is respectively fixed on the left and right outer surfaces of the housing 4 through the notch 43 and the groove 44, and the lower positions below the center line of the outer surfaces of the two sides of the housing 4 are respectively provided with a fixed mounting slot 45.
Two axial terminal surfaces of end plate installation roof beam 41 are equipped with self-tapping screw mounting hole, and inlet wire installation end plate 2 and inlet wire insulation end plate 3 pass through self-tapping screw and install the one end on the axial terminal surface of end plate installation roof beam 41.
Module group
As shown in FIG. 1, bus-PE 16, bus-L17, and bus-N18 couple universal receptacle module 8, GB-10A receptacle module 9, IEC-C13 receptacle module 10, IEC-C19 receptacle module 11, SPD module 12, supervisory module 13, line break double break switch 14, and circuit breaker 15.
The universal socket module 8, the GB-10A socket module 9, the IEC-C13 socket module 10 and the IEC-C19 socket module 11 in this embodiment are basically the same in structure, and each includes an upper cover 91 and a lower cover 95 fastened to each other and three resilient pieces installed in the upper and lower covers. The difference is that the jack opening of the upper cover 91, the mounting structure of each spring plate therein, the contact position of the spring plate and the plug pin of the plug, and the corresponding structure of the lower cover can be locally adjusted according to the requirement.
Taking GB-10A module 9 as an example, as shown in fig. 2, 3 and 4, GB-10A socket module 9 includes an upper cover 91, a PE spring 92, an N spring 93, an L spring 94 and a lower cover 95; a raised bayonet lock 911 is arranged at the edge of the upper cover 91, and the raised bayonet lock 911 is matched with the sliding groove 42; the GB-10A socket module 9 further includes an annular wiring hole 913, an L-wire fastening hole 914, a PE-wire fastening hole 915, and an N-wire fastening hole 916; the PE elastic piece 92, the N elastic piece 93, and the L elastic piece 94 are inserted into corresponding positions of the upper cover 91; the PE elastic sheet 92, the N elastic sheet 93 and the L elastic sheet 94 are respectively connected with respective U-shaped clamping grooves A through respective connecting parts, the bus-PE 16, the bus-L17 and the bus-N18 are respectively arranged in a straight line form through corresponding PE wire clamping holes 915, L wire clamping holes 914 and N wire clamping holes 916, and typical U-shaped clamping grooves A are arranged along a diagonal line in the GB-10A module 9, so that the distance between the U-shaped clamping grooves is as large as possible, the situation that the elastic sheets are in mutual contact when deformed by external force to cause short circuit and break through air to generate electric arcs when suffering from instantaneous high voltage is avoided, and the elastic sheets can be safely and accurately aligned with the corresponding wire clamping holes; the lower cover 95 further includes a top post 951 and three snaps 952, the snaps 952 mating with the securing openings 912 of the upper cover. After the lower cover 95 is mounted on the upper cover 91, the top pillar 951 abuts against appropriate parts of the elastic sheets of the PE elastic sheet 92, the N elastic sheet 93 and the L elastic sheet 94, and the appropriate parts are generally connecting parts, so that the mounting is firmer; the buckles 952 are arranged in a triangle; the lower cover 95 can be freely replaced according to the requirement of the load current, different lower covers 95 have the change that the heights of the lead clamping hole adjusting blocks 953 are different, the higher the lead clamping hole adjusting block 953 is, the smaller the lead clamping hole is, the smaller the number of leads is and/or the loadable current is, the smaller the lead clamping hole is, and the lower the load current is; and vice versa. Two ring wiring holes 913 can arrange the bus bar-L17 and the bus bar-N18, respectively, to realize ring wiring.
The bus-PE 16, the bus-L17 and the bus-N18 are connected into the corresponding U-shaped clamping grooves A through quick stamping and clamping connection, and the quick stamping and clamping connection is that the bus-PE 16, the bus-L17 and the bus-N18 are used for quickly clamping the wire body into the U-shaped clamping grooves A through a high-pressure punch in a stamping mode.
The U-shaped slot A can comprise a plurality of slots with different widths, and the width of a common slot can be set to be 2.5mm for the section2And a cross section of 4mm2The wires are simultaneously clamped. The quick stamping clamping connection is low in resistance, reliable, durable and stable, the temperature rise is small, and the fire risk is eliminated; the whole process of the electrified conductor is fixed, and the electric contact point is sealed in the insulating outer shell, so that the electric potential safety hazards such as short circuit, contact oxidation and the like are eliminated; the internal annular wiring can be realized, the single-point fault power failure is eliminated, and the power failure range of multi-point faults is reduced; bus bar full-course non-broken node and firm connectionAnd (5) fixing and cleaning the nodes. The problem that the risk of fire is caused by temperature rise due to a sandwich effect, an electric stress effect and a thermal stress effect when the connection is realized by tin soldering or self-tapping screws is avoided; the power distribution reliability is improved.
Spring plate
As shown in fig. 11 to 15, the PE elastic piece 92, the N elastic piece 93, and the L elastic piece 94,
every shell fragment all includes "U" draw-in groove A, has one-level wire bayonet socket A03 on its main part A02 at least, for the connection of convenient use quick punching press joint formula, the both sides of the opening part of one-level wire bayonet socket A03 be provided with one-level blade A01 respectively. A secondary lead bayonet A06 is further arranged above the primary lead bayonet A03, a secondary cutting edge A05 is arranged on each of two sides of the opening of the secondary lead bayonet A06, and the width c of the secondary lead bayonet is smaller than the width e of the blade body of the primary cutting edge.
And a third-level wire bayonet is also arranged above the second-level wire bayonet A06, three-level cutting edges are respectively arranged on two sides of the opening of the third-level wire bayonet, and the width of the third-level wire bayonet is smaller than the width c of the blade body of the second-level cutting edge.
The first-stage cutting edge A01 is a single-bevel edge or a double-bevel edge, the width j of the edge of the first-stage cutting edge is 0.3mm, the width f of the first-stage cutting edge is 1mm, and the included angle k between the first-stage cutting edge and the axis of the first-stage wire bayonet is 45 degrees.
The width e of the primary lead bayonet is 1.7mm, and the height b of the primary lead bayonet is 5 mm; the first-level cutting edge A01 and the first-level lead bayonet A03 are matched for clamping the core material with the cross section area of 4mm2The power supply lead of (1).
The secondary cutting edge A05 is a single-bevel edge or a double-bevel edge, the width j of the edge of the blade is 0.3mm, and the width g of the secondary cutting edge is 0.25 mm; the height i of the secondary cutting edge is 1.4 mm; the included angle m between the secondary cutting edge and the axis of the secondary lead bayonet is 45 degrees.
The width c of the secondary lead bayonet is 1.2mm, and the height l of the secondary lead bayonet is 3 mm; the secondary cutting edge A05 and the secondary lead bayonet A06 are matched for clamping the cross section of the core materialThe area is 2.5mm2The power supply lead of (1).
The thickness h of the main body is 0.6 mm.
The width d of the blade body of the primary cutting edge is at least 2.4 mm.
The width a of the main body is at least 7 +/-0.05 mm.
The U-shaped clamping groove A of the common elastic sheet is arranged into one piece, which is an embodiment. As shown in fig. 15, a further embodiment is for a euro standard receptacle module, in which two "U" card slots a are arranged one above the other at a certain distance in order to increase the effective electrical contact area of the "U" card slots a, since the module may carry a large load current, such as the C19 module may carry 20A current.
Insulating end cap
As shown in fig. 16, 17 and 18, the insulated end cap comprises an incoming insulated end plate 3 and an insulated end plate 6; the incoming line insulation end plate 3 and the insulation end plate 6 are square; the middle of the incoming line insulation end plate 3 is provided with a hexagonal opening for installing the waterproof connector lug 1; the incoming line insulating end plate 3 comprises a front surface 31 and a back surface 32, protruding edges are arranged on four sides of the front surface 31 and matched with the end surface of the shell, end plate mounting through holes 33 are formed in the middle positions of the three protruding edges, an I-shaped mounting end plate fixing column 34A is arranged in the middle position of the other protruding edge, and the mounting end plate fixing column 34A is matched with the screw mounting hole 25 in the incoming line mounting plate 2; four corners of front 31 all be equipped with four II type installation end plate fixed columns 34B, II type installation end plate fixed column 34B mutually supports with II type through-hole 24 on the inlet wire installation end plate 2. Two ends of the upper edge of the back surface 32 are provided with bayonet locks 35, and the bayonet locks 35 are matched with a sliding groove 42 of the outer shell 4; a fixing post 36 is provided at a position below the center line of the left and right edges of the back surface 32, and the fixing post 36 is engaged with a convex portion inside a fixing mounting groove 45 of the housing 4. A ground terminal slot 37 is provided in the middle of the bottom of the back 32 for fixing the ground terminal of the PDU casing.
As shown in fig. 18, the insulating end plate 6 is different from the incoming insulating end plate 3 in that there are no hexagonal openings and the rest of the structure is the same or similar.
Mounting plate
As shown in fig. 19 and 20, the mounting plate comprises an incoming line mounting end plate 2 and a mounting end plate 7; the line incoming mounting plate 2 comprises an end plate part 21 and a mounting plate part 22, and the end plate part 21 and the mounting plate part 22 form an included angle of 90 degrees; the end plate part 21 is square, and a circular wire inlet 23 is formed in the middle of the end plate part 21; four corners are provided with four II-shaped through holes 24, and the II-shaped through holes 24 are matched with II-shaped stepped mounting end plate fixing columns 34B on the incoming line insulating end plate 3; screw mounting holes 25 are formed in the middle positions of the four sides of the end plate portion 21; the mounting plate portion 22 is provided with three mounting slots 26.
The difference between the mounting end plate 7 and the incoming line mounting end plate 2 is that the structural characteristics of the other parts are the same or similar without the circular incoming line port 23.
The insulating end plate 6 and the mounting end plate 7 are mounted at the other end of the axial end face of the end plate mounting beam 41 through self-tapping screws, and the incoming line mounting end plate 2 and the mounting end plate 7 can be adjusted and fixed by rotating 90 degrees, 180 degrees and 270 degrees at will by taking the axial center line of the shell as an axis as required.
SPD module
As shown in fig. 6 to 10, the SPD module includes a base module and a plug module; the base module is installed in the shell 4 and is connected with the PDU circuit, and the plug-in module is inserted on the base module and is connected with the PDU circuit through the base module.
The base module comprises a base A121, a base B124 and an SPD module elastic sheet 125; base a 121 and base B124 are U-shaped, the lower parts of base a 121 and base B124 are both provided with cavities 1211 and 1242 for mounting SPD module spring 125, and when base a 121 and base B124 are fastened together, SPD module spring 125 can be wrapped in the two cavities 1211 and 1242; the lower surface of the inside of the base A121 is provided with three inserting sheet passing grooves 1212, the lower surface of the inside of the base B124 is provided with three inserting sheet passing notches 1241, and the inserting sheet passing grooves 1212 and the inserting sheet passing notches 1241 of the base B124 of the base A121 are combined together to form a base inserting sheet passing hole; the position of the base inserting sheet through hole corresponds to the position of the SPD module elastic sheet in the cavity; buckles 1213 are arranged on the left and right vertical walls of the base A121, and clamping grooves 1243 corresponding to the buckles are arranged on the left and right vertical walls of the base B124, so that the base A121 and the base B124 are more firmly mounted with each other, and the SPD module elastic sheet 125 is more firmly wrapped in the cavity.
The plug-in module comprises a module upper cover 122, a module lower cover 123 and a connecting plug-in piece 126; the upper part of the connecting plug-in sheet 126 is connected with the PCB 127; the module lower cover 123 is provided with module lower cover insert through holes 1231 corresponding to the positions of the connecting inserts 126; when the plug-in module is plugged on the base module, the connecting plug-in sheet 126 is connected to the corresponding position of the SPD module elastic sheet 125 through the base plug-in sheet through hole and the module lower cover plug-in sheet 1231 through hole; the left edge and the right edge of the module lower cover 123 are respectively provided with a module lower cover buckle 1232, the module lower cover 123 is buckled at the bottom of the module upper cover 122, and the PCB 127 is fixed in the cavity of the module upper cover 122; the left and right vertical walls of the module upper cover 122 are provided with clamping holes which are in snap fit with the module lower cover, and the upper surface of the module upper cover 122 is also provided with a power supply, a grounding and a failure indicator lamp display hole respectively; the left and right sides of the module upper cover 122 are provided with fixing buckles for locking the plug-in module on the base module, and the two sides of the fixing buckles are also provided with positioning ribs for enabling the plug-in module to be more stable when being inserted into the base module. The fool-proof function is achieved by biasing the connecting tabs 126.
The base A121, the base B124 and the SPD module elastic sheet 125 form a base module whole, and are arranged in the shell 4 and connected with a PDU circuit; the module upper cover 122, the module lower cover 123 and the connecting plug-in sheet 126 form a plug-in module whole which is arranged on the base module and connected to the PDU circuit in parallel; the pluggable module can be replaced as required without cutting off power supply, the work of a power supply object is not influenced, and the hot plug function of the SPD module in the PDU power distributor circuit is realized.
Temperature rise test
According to the stipulation of ' the communication industry standard YD/T2063-2009 of the people's republic of China ': the experimental time is one hour, and the temperature rise does not exceed 45K. In order to achieve a more convincing effect in the experiment, the measured data is data when the measured piece reaches constant temperature saturation, and the time duration is about 3 hours.
Experimental equipment: a paperless temperature rise recorder (manufacturer: Hangzhou American automation technology limited company, model MIK5016A, No. 210904011E36001),
the experimental conditions are as follows: 4 groups of loads, each group of current 16A, resistance 15 omega, rated power 10KW, experimental load power 4KW, total load 64A, power voltage 250V, PDU bus sectional area 9mm2.Ring bus 4+2.5mm2
Subject: high-reliability PDU of link-up bus joint formula super large load capacity ring wiring.
The experimental method comprises the following steps: the paperless temperature rise recorder respectively detects and records the temperature of the plug, the PDU shell, the input cable sheath, the copper sheet (spring sheet) and the environment through the temperature sensing line until each temperature reaches saturation.
The record table is as follows:
TABLE 1
Table 1 corresponds to fig. 24.
TABLE 2
Table 2 corresponds to fig. 25.
According to the tables 1 and 2, the highest temperature rise is about 20K, which is far lower than 45K required in the communication industry standard YD/T2063-2009 of the people's republic of China.
Experimental data are available: the utility model discloses connect low resistance, reliable, lasting, stable and the temperature rise is little, eliminates the risk of starting a fire. It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.
Claims (10)
1. Link up high reliable PDU of bus joint formula super large load capacity ring wiring, its characterized in that: the wire arrangement device comprises a waterproof connector lug (1), a wire inlet installation end plate (2), a wire inlet insulation end plate (3), a shell (4), a wire arrangement device (5), an insulation end plate (6), an installation end plate (7), a plurality of socket modules, a bus-PE (16), a bus-L (17) and a bus-N (18); the waterproof connector lug (1) is arranged on the inlet wire mounting end plate (2); the inlet wire mounting end plate (2) and the inlet wire insulating end plate (3) are overlapped and mounted at the inlet wire end of the shell (4); a plurality of socket modules are arranged in the shell (4); the mounting end plate (7) and the insulating end plate (6) are overlapped and mounted at the closed end of the shell (4); a bus-PE (16), a bus-L (17) and a bus-N (18) are respectively arranged in the plurality of socket modules and are used for connecting the above parts; the wire arranging device (5) is arranged on the left and/or right outer wall of the shell (4).
2. The PDU of claim 1, wherein: the shell (4) is a U-shaped groove; end plate mounting beams (41) are respectively arranged at symmetrical positions on the inner sides of the left and right vertical walls of the shell (4) and the middle position of the inner bottom surface, the end plate mounting beams (41) axially penetrate through the shell (4), and two axial end surfaces of the end plate mounting beams (41) are respectively provided with through holes; the upper part of the inner side of the left and right vertical walls of the shell (4) is provided with a sliding chute (42); notches (43) are arranged on the upper end surfaces of the left inner wall and the right inner wall of the shell (4), and the notches (43) axially penetrate through the shell (4); the left edge and the right edge of the outer bottom surface of the shell (4) are respectively symmetrically provided with a groove (44), and the grooves (44) axially penetrate through the shell (4); and the positions below the central lines of the outer surfaces of the two sides of the shell (4) are respectively provided with a fixed mounting clamping groove (45).
3. The PDU of claim 1, wherein: the socket module comprises a PE elastic sheet, an N elastic sheet and an L elastic sheet, wherein the PE elastic sheet, the N elastic sheet and the L elastic sheet comprise U-shaped clamping grooves (A), at least one level of wire bayonet (A03) is arranged on a main body (A02), and one level of cutting edges (A01) are respectively arranged on two sides of an opening of the level of wire bayonet (A03).
4. The PDU of claim 3, wherein: the wire cutting device is characterized in that a second-stage wire bayonet (A06) is further arranged above the first-stage wire bayonet (A03), two sides of the opening of the second-stage wire bayonet (A06) are respectively provided with a second-stage cutting edge (A05), and the width (c) of the second-stage wire bayonet is smaller than the width (d) of the first-stage wire bayonet.
5. The PDU of claim 4, wherein: and a third-level wire bayonet is also arranged above the second-level wire bayonet (A06), three-level cutting edges are respectively arranged on two sides of the opening of the third-level wire bayonet, and the width of the third-level wire bayonet is smaller than the width (c) of the blade body of the second-level cutting edge.
6. PDU according to any of claims 3 to 5, characterized in that: the socket module also comprises an upper cover and a lower cover, wherein the edge of the upper cover is provided with a raised bayonet lock; the lower edge of the upper cover is provided with an annular wiring hole, an L lead clamping hole, a PE lead clamping hole and an N lead clamping hole; the PE elastic sheet, the N elastic sheet and the L elastic sheet are inserted into corresponding positions of the upper cover; the inside fore-set that is equipped with of lower cover, the both sides position of lower cover are equipped with buckle and wire joint hole regulating block respectively.
7. The PDU of claim 1, wherein: the SPD module is arranged in the shell (4) and is connected with the socket module in parallel; the SPD module comprises a base module, a plug-in module and a PCB (127); the base module is arranged in the shell (4), and the plug-in module is inserted on the base module; the PCB (127) is arranged inside the plugging module;
the base module of the SPD module comprises a base A (121), a base B (124) and an SPD module spring plate (125); the A base (121) and the B base (124) are both U-shaped; the lower part of the A base (121) is provided with a cavity (1211), and the lower part of the B base (124) is provided with a cavity (1242); the lower surface of the interior of the base A (121) is provided with three inserting sheet passing grooves (1212), and the lower surface of the interior of the base B (124) is provided with three inserting sheet passing notches (1241); the left and right vertical walls of the A base (121) are provided with buckles (1213), and the left and right vertical walls of the B base (124) are provided with clamping grooves (1243);
the plug-pull module of the SPD module comprises an upper module cover (122), a lower module cover (123) and a connecting plug-in sheet (126); the upper part of the connecting inserting sheet (126) is connected with a PCB (127); the module lower cover (123) is provided with a module lower cover insert through hole (1231) corresponding to the position of the connecting insert (126); the left edge and the right edge of the module lower cover (123) are respectively provided with a module lower cover buckle (1232); the left and right vertical walls of the module upper cover (122) are provided with clamping holes; the upper surface of the module upper cover (122) is also respectively provided with a power supply, a grounding and a failure indicator lamp display hole; the left and right sides of the module upper cover (122) are provided with fixing buckles, and the two sides of the fixing buckles are also provided with positioning convex edges.
8. The PDU of claim 1, wherein: the incoming line insulation end plate (3) is provided with a hexagonal opening; raised edges are arranged on four sides of the front surface (31) of the incoming line insulation end plate (3); end plate mounting through holes (33) are formed in the middle of the three raised edges, and an I-shaped mounting end plate fixing column (34A) is formed in the middle of the other raised edge; four II-shaped step-shaped mounting end plate fixing columns (34B) are arranged at four corners of the front surface (31); a fixing column (36) is arranged below the center line of the left edge and the right edge of the back surface (32); the middle of the bottom of the back surface (32) is provided with a ground terminal clamping groove (37).
9. The PDU of claim 1, wherein: the incoming line mounting end plate (2) comprises an end plate part (21) and a mounting plate part (22); the end plate part (21) and the mounting plate part (22) form an included angle of 90 degrees; the end plate part (21) is rectangular, and a circular wire inlet (23) is formed in the middle of the end plate part (21); four II-shaped through holes (24) are arranged at the four corners; screw mounting holes (25) are formed in the middle positions of the four sides of the end plate part (21); the mounting plate portion (22) is provided with three mounting grooves (26).
10. The PDU of claim 1, wherein: the system also comprises a monitoring module (13), a zero-fire double-break switch (14) and a circuit breaker (15); the monitoring module (13), the zero-fire double-break switch (14) and the circuit breaker (15) are respectively arranged in the shell (4) and are arranged on the wire inlet sides of the socket modules; the monitoring module (13) is connected with the plurality of socket modules in parallel, and the zero-fire double-break switch (14) and the breaker (15) are connected with the plurality of socket modules in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626487.XU CN204304223U (en) | 2014-07-24 | 2014-10-24 | The highly reliable PDU of through bus plug-in super large load capacity annular distribution |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412300 | 2014-07-24 | ||
| CN201420626487.XU CN204304223U (en) | 2014-07-24 | 2014-10-24 | The highly reliable PDU of through bus plug-in super large load capacity annular distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304223U true CN204304223U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420626487.XU Withdrawn - After Issue CN204304223U (en) | 2014-07-24 | 2014-10-24 | The highly reliable PDU of through bus plug-in super large load capacity annular distribution |
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| Country | Link |
|---|---|
| CN (1) | CN204304223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393496A (en) * | 2014-07-24 | 2015-03-04 | 四川睿联安电气有限公司 | Bus-through clamping-type ultra large-load capacity annular wiring high-reliability PDU (Power Distribution Unit) |
-
2014
- 2014-10-24 CN CN201420626487.XU patent/CN204304223U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393496A (en) * | 2014-07-24 | 2015-03-04 | 四川睿联安电气有限公司 | Bus-through clamping-type ultra large-load capacity annular wiring high-reliability PDU (Power Distribution Unit) |
| CN104393496B (en) * | 2014-07-24 | 2017-07-14 | 四川睿联安电气有限公司 | The highly reliable PDU of insertion bus plug-in super large load capacity annular distribution |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20170714 |
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| AV01 | Patent right actively abandoned |