CN216162372U

CN216162372U - Bus connector and bus with waterproof and fire-resistant performance

Info

Publication number: CN216162372U
Application number: CN202122203529.1U
Authority: CN
Inventors: 毕猛; 毕小林
Original assignee: Hubei Xinghe Electric Power New Material Co ltd
Current assignee: Hubei Xinghe Electric Power New Material Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-01
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a bus connector and a bus with waterproof and fire-resistant performances, and belongs to the technical field of buses. The bus connector comprises N insulating partition plates, sealing strips between every two adjacent insulating partition plates, sealing rings sleeved on the conducting bars and a locking structure for locking the insulating partition plates together, each insulating partition plate comprises two edge insulating partition plates on the left side and the right side and N-2 middle insulating partition plates in the middle, slots matched with the conducting bars are formed in the left side and the right side of each middle insulating partition plate and in the inner sides of the edge insulating partition plates in the front-back direction, conductors capable of being in contact with the conducting bars of the two buses simultaneously are arranged on the slots, jacks for the conducting bars to be inserted are formed in the slots of the two adjacent insulating partition plates, the number of the jacks is the same as that of the conducting bars, and the sealing strips are arranged between the two adjacent insulating partition plates and above and below the jacks; when the conducting bar is inserted into the jack, the sealing ring on the conducting bar seals the corresponding end of the jack, and the left side and the right side of the conducting bar are in contact with the conductors on the corresponding sides.

Description

Bus connector and bus with waterproof and fire-resistant performance

Technical Field

The utility model belongs to the technical field of buses, and particularly relates to a bus connector and a bus with waterproof and fire-resistant performances.

Background

Original waterproof fire-resistant generating line end joint unit adopts sandwich structure, inserts the joint unit with waterproof fire-resistant generating line end, then in adopt the spiral shell to press the joint unit to fasten the joint unit. According to the scheme, the middle part of the connecting unit conductive bar needs to be punched, the sectional area of the conductive bar can be reduced, the local current density is too high, and the heat is easy to generate. And adopt traditional connection baffle, when causing the connection, the bus conductor is upper and lower direction not protected, when the angle deviation appears in waterproof fire-resistant generating line butt joint, has the clearance easily, when final sealed injection epoxy resin casting material, easily infiltrates the casting material. The contact surface is not enough, and the local temperature of the joint of the waterproof and fireproof bus exceeds the application range. Potential safety hazards exist, and power failure accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, embodiments of the present invention provide a bus connector and a bus with waterproof and fire-resistant properties, where the bus connector wraps the connection end of the conductive bar, and resin does not enter the bus connector during casting, and the bus connector has a good waterproof effect, and the protection level reaches IP 68. The technical scheme is as follows:

on one hand, the embodiment of the utility model provides a bus connector, which comprises N insulating partition plates arranged side by side from left to right, a sealing strip 4 between two adjacent insulating partition plates, a sealing ring 5 sleeved on a conductive bar 2 and a locking structure for locking the insulating partition plates together in the left-right direction, the insulating partition board comprises two edge insulating partition boards 6 at the left side and the right side and N-2 middle insulating partition boards 7 at the middle part, the left side and the right side of the middle insulating partition board 7 and the inner side of the edge insulating partition board 6 are both provided with slots 8 matched with the conducting bars 2 along the front-back direction, the slots 8 are provided with conductors 9 which can be contacted with the conductive bars 2 of the two buses 1 at the same time, the slots 8 of the two adjacent insulating clapboards form jacks for the conductive bars 2 to be inserted, the number of the jacks is the same as that of the conductive bars 2, and sealing strips 4 are arranged between two adjacent insulating partition plates and above and below the jacks; when the conducting bar 2 is inserted into the jack, the sealing ring 5 on the conducting bar seals the corresponding end of the jack, and the left side and the right side of the conducting bar are in contact with the conductors 9 on the corresponding sides.

Specifically, the insulating partition plate in the embodiment of the present invention is a rectangular plate arranged in the front-rear direction, and the slot 8 is a rectangular slot arranged in the front-rear direction; the conductor 9 is a rectangular copper bar which is arranged along the front-back direction and matched with the slot 8, and the distance between the end part of the rectangular copper bar and the corresponding side of the insulating partition plate is larger than 10 mm.

Furthermore, a sealing strip fixing groove 10 is respectively arranged on the left side and/or the right side of the insulating partition plate and above and below the slot 8, the sealing strip fixing groove 10 is arranged in the front-back direction, a sealing strip 4 is arranged in the sealing strip fixing groove, and the sealing strips 4 on the same side of two adjacent insulating partition plates are abutted together.

Preferably, the end of the insertion hole in the embodiment of the present invention is a taper hole 11 that gradually decreases from outside to inside, one side of the sealing ring 5 close to the insulating partition is a taper portion that is matched with the taper hole 11, and the taper hole 11 is located outside the conductor 9; when the conducting bar 2 is inserted into the inserting hole, the conical part is inserted into the conical hole 11.

Wherein, N in the embodiment of the utility model is 5 or 6.

The locking structure in the embodiment of the utility model comprises two clamping plates 12 arranged side by side from left to right and a plurality of bolts 13 arranged between the two clamping plates 12 in the left-right direction, wherein N insulating partition plates are clamped between the two clamping plates 12, the clamping plates 12 are pressed on the outer sides of the edge insulating partition plates 6 on the corresponding sides, and at least one bolt 13 is arranged between the two clamping plates 12 and above and below the insulating partition plates.

Specifically, the clamping plates 12 in the embodiment of the present invention are rectangular steel plates arranged in the front-back direction, and the upper and lower sides of each clamping plate protrude downward and downward respectively relative to the corresponding side of the insulating partition plate, the bolts 13 are galvanized bolts, two bolts 13 are arranged between the two clamping plates 12 and above and below the insulating partition plate in parallel, and the four bolts 13 are arranged in a rectangular arrangement.

Preferably, a mutually matched limiting structure is arranged between the inner side of the clamping plate 12 and the outer side of the edge insulation partition plate 6 on the corresponding side, and the limiting structure comprises a protrusion 14 arranged on the inner side of the clamping plate 12 or on the outer side of the edge insulation partition plate 6 and a groove 15 arranged on the outer side of the edge insulation partition plate 6 or on the inner side of the clamping plate 12 and matched with the protrusion 14; when the clamping plate 12 is pressed against the outer side of the edge insulation barrier 6, the projections 14 engage in corresponding recesses 15.

Specifically, two protrusions 14 are arranged on the inner side of the clamping plate 12 in the embodiment of the utility model in a front-back side-by-side manner, and correspondingly, two grooves 15 are arranged on the outer side of the edge insulating partition plate 6 in a front-back side-by-side manner; the protrusion 14 is a vertically arranged rectangular protrusion, and the groove 15 is a vertically arranged rectangular groove.

On the other hand, the embodiment of the utility model also provides a bus with waterproof and fire-resistant performances, which comprises at least two buses 1 connected in sequence; the bus connectors are arranged on the conductive bars 2 of two adjacent buses 1, and the bus connectors and the conductive bars 2 are coated with fire-resistant resin.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects: the embodiment of the utility model provides a bus connector and a bus with waterproof and fire-resistant performances, wherein the bus connector wraps the connecting end of a conductive bar, resin cannot enter the bus connector during pouring, the bus connector has a good waterproof effect, and the protection grade reaches IP 68. The fire-resistant waterproof paint is matched with resin with fire resistance, has good fire resistance and better waterproof performance.

Drawings

Figure 1 is an exploded view of a bus connector provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bus connector according to an embodiment of the present invention;

FIG. 3 is a top view of a bus bar connector provided by an embodiment of the present invention;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

fig. 5 is a sectional view taken along line a-a of fig. 3.

In the figure: the bus comprises a bus 1, a conductive bar 2, a sealing strip 4, a sealing ring 5, an edge insulating partition plate 6, a middle insulating partition plate 7, a slot 8, a conductor 9, a sealing strip fixing slot 10, a taper hole 11, a clamping plate 12, a bolt 13, a bulge 14 and a groove 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 5, embodiment 1 provides a bus connector, which includes N insulating partition plates arranged side by side from left to right, a sealing strip 4 between two adjacent insulating partition plates, a sealing ring 5 sleeved on the conductive bar 2 (the position is to ensure that the sealing ring 5 is just inserted into the end of the jack when the conductive bar 2 is inserted into the jack), a locking structure for locking the insulating partition plates together in the left-right direction, and the like. The insulating partition plates comprise two edge insulating partition plates 6 at the left side and the right side and N-2 middle insulating partition plates 7 at the middle part; the edge insulating spacers 6 are aligned with the middle insulating spacer 7 at the front and rear sides and the upper and lower sides, and may be made of an insulating material, which may be an unsaturated polyester molding compound with glass fibers. Slots 8 matched with the conducting bars 2 are formed in the left side and the right side of the middle insulating partition plate 7 and the inner side of the edge insulating partition plate 6 in the front-back direction, conductors 9 capable of being in contact with the conducting bars 2 of the two buses 1 at the same time are arranged on the slots 8 (with the middle part), jacks for the conducting bars 2 to be inserted are formed in the slots 8 of the two adjacent insulating partition plates, and the number of the jacks is the same as that of the conducting bars 2; specifically, the left and right sides of the jack are both provided with conductors 9 in the front-rear direction. And sealing strips 4 are arranged between every two adjacent insulating partition plates and above and below the insertion holes, and the sealing strips 4 seal the upper and lower sides of the insulating partition plates. Two adjacent insulating spacers abut together or have a slight gap to reduce the possibility of resin ingress. When the conducting bar 2 is inserted into the jack, the sealing ring 5 on the conducting bar seals the corresponding end of the jack, and the left side and the right side of the conducting bar are contacted with the conductors 9 on the corresponding sides.

Specifically, referring to fig. 1 to 5, the insulating partition plate in the embodiment of the present invention is a rectangular plate disposed in the front-rear direction, and the insertion groove 8 is a rectangular groove disposed in the front-rear direction. The conductor 9 is a rectangular copper bar which is arranged along the front-back direction and is matched with the slot 8, and the distance between the end part of the rectangular copper bar and the corresponding side of the insulating partition plate is larger than 10 mm. Specifically, the width of the conductor 9 is different from the width of the slot 8, but its length is slightly smaller than the length of the slot 8.

Further, referring to fig. 1 to 5, a sealing strip fixing groove 10 is respectively arranged on the left side and/or the right side (the edge insulating partition 6 is one side, and the middle insulating partition 7 is two sides) of the insulating partition in the embodiment of the present invention and above and below the slot 8, the sealing strip fixing groove 10 is arranged in the front-back direction and is internally provided with a sealing strip 4, and the sealing strips 4 on the same side of two adjacent insulating partitions are abutted together. Further, the two sealing strips 4 on the upper side and the lower side of the slot 8 are arranged in an up-and-down symmetrical manner by using the central line of the slot 8. Of course, a sealing strip 4 can also be arranged between the same sides of two adjacent insulating partition plates, and at this time, the two sides of the sealing strip 4 are embedded into the sealing strip fixing grooves 10 of the two insulating partition plates.

Preferably, referring to fig. 1 to 5, the end of the insertion hole in the embodiment of the present invention is a tapered hole 11 that is gradually reduced from outside to inside to facilitate the insertion of the wire row 2 and the insertion of the sealing ring 5, one side of the sealing ring 5 near the insulating partition is a tapered portion (annular structure) that is matched with the tapered hole 11, and the tapered hole 11 is located outside the conductor 9. When the conductive bar 2 is inserted into the insertion hole, the tapered portion is inserted into the tapered hole 11.

Wherein, N in the embodiment of the present invention is 5 or 6, accordingly, the number of the conductive bars 2 is 4 or 5, and the number of the insertion holes is 4 or 5.

Referring to fig. 1-5, the locking structure in the embodiment of the present invention includes two clamping plates 12 arranged side by side from left to right and a plurality of bolts 13 (fitting nuts) and the like arranged between the two clamping plates 12 in the left-right direction, the N insulating partition plates are clamped between the two clamping plates 12, the two clamping plates 12 are locked together by the bolts 13, and the clamping plates 12 are provided with through holes for the bolts 13 to pass through. The clamping plates 12 are pressed on the outer sides of the edge insulating partition plates 6 on the corresponding sides (left side or right side), and at least one bolt 13 is arranged between the two clamping plates 12 and above and below the insulating partition plates.

Specifically, referring to fig. 1 to 5, the clamping plates 12 in the embodiment of the present invention are rectangular steel plates arranged in the front-back direction, and the upper and lower sides of each clamping plate protrude downward and downward respectively relative to the corresponding side of the insulating partition plate, the bolts 13 are galvanized bolts, two bolts 13 are arranged between the two clamping plates 12 and above and below the insulating partition plate in a front-back side-by-side manner, and the four bolts 13 are arranged in a rectangular configuration to ensure the stability of locking.

Preferably, referring to fig. 1, a mutually-matched limiting structure is arranged between the inner side of the clamping plate 12 and the outer side of the edge insulation partition plate 6 on the corresponding side to avoid shaking during locking, and the limiting structure comprises a protrusion 14 arranged on the inner side of the clamping plate 12 or on the outer side of the edge insulation partition plate 6 and a groove 15 arranged on the outer side of the edge insulation partition plate 6 or on the inner side of the clamping plate 12 and matched with the protrusion 14. When the clamping plate 12 is pressed against the outer side of the edge insulation barrier 6, the projections 14 engage in the corresponding recesses 15.

Specifically, referring to fig. 1, the inner side of the clamping plate 12 in the embodiment of the present invention is provided with two protrusions 14 (specifically, the protrusions may be symmetrically arranged back and forth along the center line (vertical direction) of the clamping plate 12), and correspondingly, the outer side of the edge insulating partition 6 is provided with two grooves 15 back and forth. The protrusion 14 is a vertically arranged rectangular protrusion, and the groove 15 is a vertically arranged rectangular groove.

Example 2

Referring to fig. 1 to 5, in embodiment 2, the number of the conductive bars 2 is 4, the number of the edge insulating spacers 6 is 2, the number of the middle insulating spacers 7 is 3, the number of the insertion holes is 4, the number of the conductors 9 is 8, the number of the sealing strips 4 is 16, and the number of the sealing rings 5 is 8.

Example 3

In embodiment 3, the number of the conductive bars 2 is 5, the number of the edge insulating spacers 6 is 2, the number of the middle insulating spacers 7 is 4, the number of the insertion holes is 5, the number of the conductors 9 is 10, the number of the sealing strips 4 is 20, and the number of the sealing rings 5 is 10.

Example 4

Referring to fig. 1 to 4, embodiment 4 provides a bus bar having waterproof and fire-resistant properties, including at least two bus bars 1 (the bus bars 1 themselves are made of fire-resistant material) connected in series; the bus connectors of

embodiments

1, 2 or 3 are arranged on the conductive bars 2 of two adjacent buses 1, and the bus connectors and the conductive bars 2 are coated with resin with fire resistance. Specifically, two busbars 1 are connected in a front-back manner, the conductive bar 2 of the front busbar 1 is inserted into (at this time, the locking structure is slightly released and not locked) the front part of the jack corresponding to the front side of the busbar connector, the conductive bar 2 of the rear busbar 1 is inserted into (at this time, the locking structure is slightly released and not locked) the rear part of the jack corresponding to the rear side of the busbar connector, then the locking structure is locked, and finally resin pouring and drying are performed on a specific mold. The resin having fire resistance may be specifically a resin to which an inorganic substance such as volcanic rock is added, or may be a casting material disclosed in application No. CN 201910694081.2.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The bus connector is characterized by comprising N insulating partition plates arranged side by side from left to right, sealing strips (4) between every two adjacent insulating partition plates, a sealing ring (5) sleeved on a conductive bar (2) and a locking structure for locking the plurality of insulating partition plates together from left to right, wherein each insulating partition plate comprises two edge insulating partition plates (6) on the left side and the right side and N-2 middle insulating partition plates (7) in the middle, slots (8) matched with the conductive bar (2) are formed in the left side and the right side of each middle insulating partition plate (7) and the inner sides of the edge insulating partition plates (6) along the front-back direction, conductors (9) capable of being in contact with the conductive bars (2) of the two buses (1) simultaneously are arranged on the slots (8), jacks for inserting the conductive bars (2) are formed in the slots (8) of the two adjacent insulating partition plates, and the number of the jacks is the same as that of the conductive bars (2), sealing strips (4) are arranged between two adjacent insulating partition plates and above and below the insertion holes; when the conducting bar (2) is inserted into the jack, the sealing ring (5) on the conducting bar seals the corresponding end of the jack, and the left side and the right side of the conducting bar are in contact with the conductors (9) on the corresponding sides.

2. The bus bar connector according to claim 1, wherein the insulating partition is a rectangular plate arranged in the front-rear direction, and the insertion groove (8) is a rectangular groove arranged in the front-rear direction; the conductor (9) is a rectangular copper bar which is arranged along the front-back direction and is matched with the slot (8), and the distance between the end part of the rectangular copper bar and the corresponding side of the insulating partition plate is larger than 10 mm.

3. The bus connector according to claim 1, wherein a sealing strip fixing groove (10) is formed in the left side and/or the right side of each insulating partition plate and above and below the slot (8), the sealing strip fixing groove (10) is arranged in the front-back direction and is internally provided with a sealing strip (4), and the sealing strips (4) on the same side of two adjacent insulating partition plates are abutted together.

4. The bus connector according to claim 1, wherein the end of the insertion hole is a taper hole (11) which is gradually reduced from outside to inside, one side of the sealing ring (5) close to the insulating partition is a taper part which is matched with the taper hole (11), and the taper hole (11) is positioned on the outer side of the conductor (9); when the conducting bar (2) is inserted into the insertion hole, the conical part is inserted into the conical hole (11).

5. The busbar connector according to claim 1, wherein N is 5 or 6.

6. The bus connector according to claim 1, wherein the locking structure comprises two clamping plates (12) arranged side by side left and right and a plurality of bolts (13) arranged between the two clamping plates (12) in the left-right direction, the N insulating partition plates are clamped between the two clamping plates (12), the clamping plates (12) are pressed against the outer sides of the edge insulating partition plates (6) on the corresponding sides, and at least one bolt (13) is arranged between the two clamping plates (12) and above and below the insulating partition plates.

7. The bus connector according to claim 6, wherein the clamping plates (12) are rectangular steel plates arranged in a front-back direction, the upper and lower sides of each clamping plate respectively protrude downwards and downwards relative to the corresponding side of the insulating partition plate, the bolts (13) are galvanized bolts, two bolts (13) are arranged between the two clamping plates (12) and above and below the insulating partition plate in a front-back side-by-side manner, and the four bolts (13) are arranged in a rectangular shape.

8. The bus connector according to claim 6, wherein a mutually-matched limiting structure is arranged between the inner side of the clamping plate (12) and the outer side of the edge insulation partition plate (6) on the corresponding side, and comprises a protrusion (14) arranged on the inner side of the clamping plate (12) or on the outer side of the edge insulation partition plate (6) and a groove (15) arranged on the outer side of the edge insulation partition plate (6) or on the inner side of the clamping plate (12) and matched with the protrusion (14); when the clamping plate (12) is pressed against the outer side of the edge insulating partition plate (6), the protrusions (14) are embedded into the corresponding grooves (15).

9. Bus connector according to claim 8, characterized in that the inner side of the clamping plate (12) is provided with two protrusions (14) side by side front to back, and correspondingly the outer side of the edge insulating spacer (6) is provided with two grooves (15) side by side front to back; the protrusion (14) is a vertically arranged rectangular protrusion, and the groove (15) is a vertically arranged rectangular groove.

10. The bus with waterproof and fire-resistant performances comprises at least two buses (1) which are connected in sequence; the bus connector is characterized in that the bus connector as claimed in any one of claims 1-9 is arranged on the conductive bar (2) of two adjacent buses (1), and the bus connector and the conductive bar (2) are coated with resin with fire resistance.