CN214379881U - Three-phase component and junction box of power distribution unit - Google Patents
Three-phase component and junction box of power distribution unit Download PDFInfo
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- CN214379881U CN214379881U CN202023181983.3U CN202023181983U CN214379881U CN 214379881 U CN214379881 U CN 214379881U CN 202023181983 U CN202023181983 U CN 202023181983U CN 214379881 U CN214379881 U CN 214379881U
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- power distribution
- distribution unit
- phase component
- junction box
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Abstract
The utility model discloses a three-phase part and terminal box of power distribution unit, the three-phase part includes base and perpendicular to the joint board of base, be provided with four wiring holes on the base, the wiring hole is listed as two rows and is arranged, the wiring hole sets up joint board with one side. This three-phase part forms the detachable part and holds to the modularization terminal box for this three-phase part can be got to the terminal box wantonly and put, can enough satisfy the demand of single-phase, direct current and its three-phase product simultaneously, can dismantle when need not this three-phase part again, thereby can practice thrift the cost. The junction box has multiple functions and meets various requirements.
Description
Technical Field
The utility model relates to a power distribution unit especially relates to a three-phase part and terminal box of power distribution unit.
Background
A PDU (Power Distribution Unit), which is a Power Distribution socket for a cabinet, is a product designed to provide Power Distribution for electrical equipment installed in the cabinet, has various series specifications of different functions, installation modes and different plug-in combinations, and can provide a suitable rack-mounted Power Distribution solution for different Power environments. Due to the application of the PDU, the power supply in the cabinet can be distributed more orderly, reliably, safely, professionally and attractively, and the maintenance of the power supply in the cabinet is more convenient and reliable.
The PDU product has single-phase, three-phase and direct-current components at the input end, and the difference of rated current is also a key performance parameter. However, the input junction box of the power distribution unit cannot accommodate single-phase and three-phase designs at the same time, and cannot meet the product performance requirements.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the embodiment of the utility model provides a three-phase part of power distribution unit, three-phase part includes base and perpendicular to the joint board of base, be provided with four wiring holes on the base, the wiring hole is listed as two rows and is arranged, the wiring hole sets up same one side of joint board.
Furthermore, a metal pressing plate is arranged in each wiring hole, the two wiring holes in the first row are connected with the internal lead, the two wiring holes in the second row are connected with the input cable, and the metal pressing plates are installed in a matched mode on the input cable and the internal lead.
Furthermore, the joint board includes three, and one of them joint board sets up two and is listed as between the wiring hole, two the other joint board sets up respectively the wiring hole with between the edge of base.
Furthermore, the wire connection holes and the auxiliary pieces are arranged on the same straight line, the two sides of each wire connection hole are respectively provided with the auxiliary pieces, and the auxiliary pieces are perpendicular to the base.
Further, the height of the auxiliary member does not exceed the height of the snap plate.
Furthermore, a threaded hole in the middle of the wiring hole is formed in the base.
Further, the thickness of the base does not exceed 9 mm.
Further, the height from the top end of the clamping plate to the base does not exceed 23 mm.
Further, the present invention also includes a junction box of a power distribution unit, including the three-phase component as described above, and a junction box base, the junction box base includes a housing, the housing forms a cavity, the bottom of the housing has a long and narrow bayonet, the bayonet plate of the three-phase component is inserted into the bayonet so that the three-phase component is accommodated in the cavity.
Furthermore, two rows and three columns of mounting holes are formed in the cavity, the three mounting holes in the first row are connected with the internal lead, and the three mounting holes in the second row are connected with the input cable.
The utility model has the advantages as follows:
the terminal box base is provided with a mounting hole for single-phase input and a containing cavity for containing a three-phase component, and the three-phase component can be installed in the containing cavity, so that the terminal box can simultaneously meet three-phase current input, and therefore, the Power Distribution Unit (PDU) can simultaneously meet the requirements of single-phase, three-phase and direct current input and product performance in the design aspect of an input terminal box.
This three-phase part forms the detachable part and holds to the modularization terminal box for this three-phase part can be got to the terminal box wantonly and put, can enough satisfy the demand of single-phase, direct current and its three-phase product simultaneously, can dismantle when need not this three-phase part again, thereby can practice thrift the cost. The junction box has multiple functions and meets various requirements.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a junction box according to an embodiment of the present invention;
fig. 2 is a perspective view of a terminal box base in a terminal box according to an embodiment of the present invention;
fig. 3 is a top view of a terminal block base in a terminal block in an embodiment of the invention;
fig. 4 is a cross-sectional view of a terminal block base in a terminal block in an embodiment of the invention;
fig. 5 is a side view of a terminal block base in a terminal block in an embodiment of the invention;
fig. 6 is a perspective view of a three-phase component in the junction box in an embodiment of the invention;
fig. 7 is a cross-sectional view of a three-phase component in a junction box in an embodiment of the invention;
fig. 8 is a perspective view of a junction box cover in the junction box of the embodiment of the present invention;
fig. 9 is a sectional view of a junction box cover in the junction box according to the embodiment of the present invention.
Reference numerals of the above figures: a junction box-100; a junction box base-1; a housing-11; a bayonet-111; receiving cavity-112 connecting piece-12; mounting holes-13; a longitudinal plate-141; a transverse plate-142; -15 threaded hole; an upper end-16; a body portion-161; a branch-162; a channel-163; interface-164; a through-hole-165; a groove-17;
a three-phase component-2; a base-21; a clamping plate-22; a wiring hole-23; an auxiliary element-24;
a junction box cover-3; a body portion-31; a long side portion-311; short side portion-312; a clamping part-313; slot-32; a stop part-33.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
To achieve the above object, the present invention provides a terminal box 100 of a power distribution unit, as shown in fig. 1. The junction box 100 of the power distribution unit comprises a junction box base 1, a junction box cover 3 and a three-phase part 2. Junction box base 1 forms the cavity that is used for connecting the electric wire, junction box lid 3 will the cavity that junction box base 1 formed is sealed, three-phase part 2 can hold extremely in the junction box base 1 for this junction box 100 not only can satisfy single-phase current input, can also satisfy three-phase current input, increases the product compatibility and the suitability of this junction box 100, satisfies the different demands of product.
In addition, the three-phase component 2 forms a detachable part to be accommodated in the modularized junction box 100, so that the junction box 100 can be used for randomly taking and placing the three-phase component 2, the requirements of single-phase, direct-current and three-phase products can be met simultaneously, the three-phase component 2 can be detached when the three-phase component 2 is not needed, and the cost can be saved. The junction box 100 has various functions and meets various requirements.
The terminal block base 1, the terminal block cover 3 and the three-phase component 2 will be explained in detail below.
As shown in fig. 2 and 4, the terminal box base 1 includes a housing 11, the housing 11 forms a cavity, a connecting member 12 is disposed in the cavity, and two rows and three columns of mounting holes 13 are disposed on the connecting member 12. Three mounting holes 13 in the first row are connected with internal wires, three mounting holes 13 in the second row are connected with input cables, and the cavity further comprises a containing cavity 112 for containing the three-phase component 2.
The bottom of the shell 11 has two relatively independent cavities, which divide the cavity into two cavities, and the two cavities respectively accommodate the mounting holes 13 in the first row and the second row. An elongated bayonet 111 is formed between the two bases.
As shown in fig. 6 and 7, the three-phase component 2 includes a base 21 and a clamping plate 22 perpendicular to the base 21, four wiring holes 23 are provided on the base 21, the wiring holes 23 are arranged in two rows and two columns, and the wiring holes 23 are provided on the same side of the clamping plate 22. The clamping plate 22 of the three-phase component 2 is inserted into the clamping opening 111, so that the three-phase component 2 is accommodated in the accommodating cavity 112.
Be provided with the metal clamp plate in the wiring hole 23, be located two of first line wiring hole 23 connects the inside wire, is located two of second line wiring hole 23 connects the input cable conductor, the metal clamp plate cooperation installation the input cable conductor with the inside wire.
The junction box base 1 is provided with a mounting hole 13 for single-phase input and a containing cavity for containing a three-phase component 2, and the three-phase component 2 can be installed in the containing cavity, so that the junction box 100 can simultaneously meet three-phase current input, and therefore, in the design aspect of the input end junction box 100, the Power Distribution Unit (PDU) can simultaneously meet the requirements of single-phase, three-phase and direct current input ends and product performance requirements.
In particular, the three-phase component 2 is accommodated into the accommodation cavity of the terminal block base 1, the wiring holes 23 of the first row in the three-phase component 2 being located below the mounting holes 1313 of the second row in the terminal block base 1. The input cable wires of the second row in the three-phase component 2 and the input cable wires of the second row in the junction box base 1 form a three-phase input electrical interface in a matching manner. Thereby realizing that the junction box 100 can simultaneously meet the requirements of single phase and three phase.
Specifically, as shown in fig. 2, the cavity in the terminal box base 1 has a partition plate therein, the partition plate includes a transverse plate 142 and two longitudinal plates 141 perpendicular to the horizontal plane, the longitudinal plates 141 are arranged in parallel and respectively intersect with the transverse plate 142, and the partition plate divides the accommodating cavity into two rows and three columns, which are respectively in one-to-one correspondence with the mounting holes 13. The mounting holes 13 are divided into respective area ranges, so that the wiring is clear and tidy, and the wiring is not messy.
Each mounting hole 13 is further provided with a metal pressing plate, and the metal pressing plates are used for matching the input cable and the internal lead.
In order to mount the junction box base 1 and the junction box cover 3, a threaded hole 15 is provided at the intersection of the transverse plate 142 and the longitudinal plate 141, and the threaded hole 15 is used for mounting the junction box cover 3.
As shown in fig. 2 and 4, the housing 11 further includes an upper end portion 16 disposed at four corners of the cavity, the upper end portion 16 includes a main body portion 161 and two branch portions 162 disposed horizontally, the branch portions 162 are vertically connected to two ends of the main body portion 161, and the main body portion 161 and the branch portions 162 are integrally formed.
The end of the branch part 162 has an upper layer and a lower layer, an interface 164 is formed between the upper layer and the lower layer in a hollow manner, and the interface 164 is clamped with the clamping part 313 of the junction box cover 3.
In addition, as shown in fig. 5, for the installation of the junction box base 1 with the profile, the lower surface of the branch part 162 has a guide groove 163, and the guide groove 163 can be fitted with the profile such that the guide groove 163 is fitted to the profile.
The side of the branch part 162 is provided with a through hole 165, and the through hole 165 is connected with the section bar in a matching way.
In the three-phase component 2, as shown in fig. 6 and 7, the snap plates 22 include three, one of the snap plates 22 is disposed between two columns of the wiring holes 23, and the other two snap plates 22 are respectively disposed between the wiring holes 23 and the edge of the base 21. The clamping plate 22 is divided into three parts for avoiding the intersection of the transverse plate 142 and the longitudinal plate 141 in the junction box base 1, and threaded holes 15 are arranged.
In addition, on the same straight line with the wiring holes 23, auxiliary pieces 24 are respectively arranged on two sides of each wiring hole 23, and the auxiliary pieces 24 are perpendicular to the base 21. A recess 17 is also correspondingly provided in the bottom of the terminal box base 1, into which recess 17 the auxiliary element 24 is inserted for assisting the assembly of the three-phase component 2 with the terminal box base 1.
In this embodiment, the height of the auxiliary member 24 does not exceed the height of the chucking plate 22.
In order to fix the three-phase component 2 to the terminal box base 1, the base 21 is further provided with a threaded hole 15 located in the middle of the wiring hole 23, and the three-phase component 2 and the terminal box base 1 are fixedly connected by being assembled with the threaded hole 15 through a screw.
In the three-phase component 2, the thickness of the base 21 is not more than 9 mm. The height from the top end of the clamping plate 22 to the base 21 is not more than 23 mm. In the terminal block base 1, the height from the upper end 16 to the bottom of the housing 11 is not more than 50 mm.
As shown in fig. 8 and 9, the terminal box cover 3 includes a body 31, two slots 32 are disposed on the body 31, the body 31 further includes a blocking portion 33 located below the slots 32, the blocking portion 33 extends downward from one side wall of the slots 32 or a lower surface of the body 31 and toward another surface of the slots 32, and a projection of the blocking portion 33 on a plane where the slots 32 are located at least partially coincides with the slots 32. The junction box cover 3 is clamped into the upper end part 16 of the junction box base 1 to seal the cavity.
Specifically, the blocking portion 33 is arc-shaped or inclined. The angle of inclination of the blocking portion 33 does not exceed 45 °.
The main body 31 is a rectangular square plate cut at four corners, the four corners of the main body 31 are respectively provided with a long side portion 311 and a short side portion 312 which are perpendicular to each other, the long side portion 311 and the short side portion 312 are matched with the upper end portion 16 of the junction box base 1, and the main body 31 is clamped into the upper end portion 16 of the junction box base 1.
The long side portion 311 has a clamping portion 313 extending outward, the length of the clamping portion 313 does not exceed the long side portion 311 of the main body portion 31, the width of the clamping portion 313 does not exceed the short side portion 312 of the main body portion 31, and the clamping portion 313 is used for clamping with the junction box base 1, so that the junction box cover 3 is clamped into the junction box base 1.
The body portion 31 is further provided with at least one screw hole, which is provided in the middle of the slot hole 32. The wiring box cover 3 and the wiring box base 1 are fixedly connected through screws penetrating through the screw holes.
In the terminal cover 3, the distance from the upper surface of the terminal cover 3 to the stopper 33 is not more than 8mm, and the thickness of the stopper 33 is not more than 2 mm.
The terminal box cover 3 is matched with the modularized section bar to design a modularized terminal box matched with the modularized section bar, in the production and use processes, an input cable can be conveniently assembled and disassembled only by opening the cover, and the terminal box cover realizes easy installation and universality of input power requirements of various specifications through ingenious design.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. The utility model provides a three-phase part of power distribution unit, its characterized in that, three-phase part includes base and perpendicular to the joint board of base, be provided with four wiring holes on the base, the wiring hole is arranged according to two lines two, the wiring hole sets up same one side of joint board.
2. The three-phase component of a power distribution unit according to claim 1, wherein a metal press plate is provided in said wiring holes, two of said wiring holes in a first row are connected to internal conductors, two of said wiring holes in a second row are connected to input cable wires, and said metal press plate is fitted to mount said input cable wires and said internal conductors.
3. The three-phase component of a power distribution unit of claim 1, wherein the plurality of snap plates comprises three snap plates, one of the snap plates being disposed between two columns of the wire connection holes, and two other snap plates being disposed between the wire connection holes and an edge of the base.
4. The three-phase component of a power distribution unit according to claim 1, wherein the wiring holes are aligned with the wiring holes, and auxiliary members are provided on both sides of each of the wiring holes, respectively, and are perpendicular to the base.
5. The three-phase component of a power distribution unit of claim 4, wherein the height of the auxiliary member does not exceed the height of the snap plate.
6. The three-phase component of a power distribution unit of claim 1, wherein the base is further provided with a threaded hole located in the middle of the wiring hole.
7. The three-phase component of a power distribution unit of claim 1, wherein the base has a thickness of no more than 9 mm.
8. The three-phase component of a power distribution unit of claim 1, wherein the height of the top end of the snap plate to the base does not exceed 23 mm.
9. A junction box of a power distribution unit, comprising a three-phase component according to any one of claims 1 to 8, and a junction box base, the junction box base comprising a housing, the housing forming a cavity, the bottom of the housing having an elongated bayonet, the bayonet being inserted into the bayonet such that the three-phase component is received in the cavity.
10. The electrical power distribution unit junction box of claim 9, wherein there are two rows and three columns of mounting holes in said cavity, three of said mounting holes in a first row connecting internal wires and three of said mounting holes in a second row connecting input cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023181983.3U CN214379881U (en) | 2020-12-25 | 2020-12-25 | Three-phase component and junction box of power distribution unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023181983.3U CN214379881U (en) | 2020-12-25 | 2020-12-25 | Three-phase component and junction box of power distribution unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214379881U true CN214379881U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023181983.3U Active CN214379881U (en) | 2020-12-25 | 2020-12-25 | Three-phase component and junction box of power distribution unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214379881U (en) |
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2020
- 2020-12-25 CN CN202023181983.3U patent/CN214379881U/en active Active
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