CN217545501U

CN217545501U - Cable branch box for three-phase unbalance and harmonic treatment

Info

Publication number: CN217545501U
Application number: CN202123426894.5U
Authority: CN
Inventors: 方蓓蕾
Original assignee: Nanjing Aitong Electric Co ltd
Current assignee: Nanjing Aitong Electric Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-10-04
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a cable branch case for unbalanced three phase and harmonic are administered belongs to electric power transmission and distribution field, which comprises a housin, preceding one side of casing articulates there is the lid door, one side of casing articulates there is the curb plate, the top of casing inner chamber transversely is provided with the inlet wire cable, the inside main switch that is provided with of casing, the back-mounting of main switch is on the inner wall of casing, the below of main switch is provided with a plurality of branch switch, a plurality of the both sides of branch switch all are provided with the fixed block, sliding connection has the connecting block on the fixed block, two semi-circular gears of the equal fixedly connected with in both sides about the front of curb plate, through setting up the curb plate, the pulling pull rod lets pawl and semi-circular gear separate for the curb plate can be flat, hinders when reducing the inside maintenance of cable branch case, passes through the fixed block simultaneously, when dismantling the installation to branch switch, shifts out the branch switch that will be under construction, enlarges staff's operating space, thereby conveniently maintains.

Description

Cable branch box for three-phase unbalance and harmonic treatment

Technical Field

The utility model belongs to the technical field of the electric power transmission and distribution, concretely relates to a cable branch case that is used for unbalanced three-phase and harmonic to administer.

Background

The cable branch box is only used for cable branch, and the main function of the cable branch box is to tap or transit cables, and the cable branch box mainly plays a role in cable tapping and cable transit, although the existing cable branch box can tap or transit cables.

However, when the existing cable branch box is used for dismounting and mounting the branch switch, the internal space of the box body is limited, and the branch switch is blocked by the box body and the internal connection of the cable branch box when being dismounted and mounted, so that the branch switch is inconvenient to dismount and mount.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable branch case that is used for unbalanced three phase and harmonic to administer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a cable branch case for unbalanced three phase and harmonic are administered, which comprises a housin, the preceding one side of casing articulates there is the lid door, one side of casing articulates there is the curb plate, the top of casing inner chamber transversely is provided with the inlet wire cable, the inside main switch that is provided with of casing, main switch's back-mounted is on the inner wall of casing, main switch's below is provided with a plurality of and props up switch, a plurality of prop up switch's both sides and all be provided with the fixed block, sliding connection has the connecting block on the fixed block, two semi-circular gears of the equal fixedly connected with in preceding upper and lower both sides of curb plate, the top and the bottom of casing all transversely seted up the recess, two springs of recess fixedly connected with, the inner wall of recess articulates there are two pawls, two one end fixed connection of recess and the one end of pawl is kept away from to spring, fixedly connected with stay cord on the pawl, the one end fixedly connected with pull rod that the pawl was kept away from to the stay cord, the pull rod activity cup joints on the casing, the lid door is installed the electric energy optimization module.

As a preferred embodiment, the back of the connecting block is fixedly connected with the inner wall of the casing, the connecting block comprises two first connecting blocks and a plurality of second connecting blocks, the plurality of second connecting blocks are arranged on one sides of the two branch switches close to each other, and the first connecting blocks are respectively arranged on two sides of the plurality of branch switches.

As a preferred embodiment, a limiting ring is arranged on the pull rope, and the limiting ring is fixedly connected in the groove.

As a preferred embodiment, a motor is installed inside the housing, a fan is installed on an output shaft of the motor, and heat dissipation holes are formed in the side plates.

As a preferred embodiment, the cover door is horizontally and fixedly connected with two horizontal plates, one side of each of the two horizontal plates, which is close to each other, is provided with a sliding groove, and the electric energy optimization module is slidably connected with the horizontal plates through the sliding grooves.

As a preferred embodiment, the fixed block includes a rectangular frame, two springs and two contraction blocks, one side of the rectangular frame is fixedly connected with one side of the branch switch, one ends of the two springs are fixedly connected with the rectangular frame, the other ends of the two springs are respectively fixedly connected with the two contraction blocks, and the contraction blocks are slidably connected with the rectangular frame.

In a preferred embodiment, the shape of the constriction block is trapezoidal.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the cable branch box for three-phase imbalance and harmonic treatment, the side plates are arranged, the pull rod is pulled to separate the pawl from the semicircular gear, so that the side plates can be unfolded, the internal dismounting and mounting obstacles of the cable branch box are reduced, and meanwhile, the branch switch to be constructed is moved out through the fixing block when the branch switch is dismounted and mounted, so that the operating space of a worker is enlarged, and the maintenance is convenient;

according to the cable branch box for three-phase imbalance and harmonic treatment, the electric energy optimization module is arranged, and is mainly characterized by having the functions of suppressing higher harmonics, stabilizing voltage, short-circuit protection, overheating protection and low-current automatic bypass without harmonic interference, reducing the consumption of the system, and the like, so that the internal circuit of the cable branch box is optimized;

this a cable feeder pillar for unbalanced three phase and harmonic are administered, through setting up the motor, the motor drives the fan, and the fan is bloied the heat dissipation to inside article, avoids the problem that the inside high temperature of cable feeder pillar leads to the article to burn out, improves the life of article.

Drawings

FIG. 1 is an expanded view of a cable breakout box for three-phase imbalance and harmonic suppression;

FIG. 2 is an exploded view of the mounting block of FIG. 1;

fig. 3 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.

In the figure: 10. a housing; 11. covering the door; 12. a side plate; 13. an incoming cable; 14. a main switch; 15. a branch switch; 16. a fixed block; 17. connecting blocks; 18. semi-circle a gear; 19. a first spring; 20. a pawl; 21. pulling a rope; 22. a pull rod; 23. a horizontal plate; 24. an electric energy optimization module; 25. a limiting ring; 26. a motor; 27. a fan; 101. a groove; 121. heat dissipation holes; 161. a rectangular frame; 162. a second spring; 163. a contraction block; 171. a first connecting block; 172. a second connecting block; 231. a chute.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Please refer to fig. 1, the utility model provides a cable branch box for unbalanced three phase and harmonic are administered, which comprises a housin 10, in order to optimize cable branch box internal circuit, it has lid door 11 to articulate in one side of the front of casing 10, install electric energy optimization module 24 on the lid door 11, the top of casing 10 inner chamber transversely is provided with inlet wire cable 13, the inside main switch 14 that is provided with of casing 10, main switch 14's back mounted is on the inner wall of casing 10, main switch 14's below is provided with a plurality of branch switch 15, electric energy optimization module 24 mainly acts on inlet wire cable 13 and branch switch 15, electric energy optimization module 24 is small-size electric energy optimization device, electric energy optimization module 24 key feature has no harmonic interference can restrain the higher harmonic, the steady voltage function, short-circuit protection function, overheat protection function etc., play the effect to unbalanced three phase and harmonic.

Referring to fig. 1, the electric energy optimization modules 24 are respectively mounted and dismounted, the two horizontal plates 23 are horizontally and fixedly connected to the cover door 11, the sliding grooves 231 are formed in the sides, close to each other, of the two horizontal plates 23, the electric energy optimization modules 24 are connected with the horizontal plates 23 in a sliding mode through the sliding grooves 231, the electric energy optimization modules 24 are mounted in a plug-in mode through the sliding grooves 231, and mounting efficiency is improved.

Referring to fig. 1, heat is dissipated inside the cable branch box, a side plate 12 is hinged to one side of the housing 10, a motor 26 is mounted inside the housing 10, a fan 27 is mounted on an output shaft of the motor 26, a heat dissipating hole 121 is formed in the side plate 12, the motor 26 drives the fan 27 through the motor 26, and the fan 27 blows air to dissipate heat of internal objects, so that the problem that the objects are burnt due to overhigh temperature inside the cable branch box is solved.

Referring to fig. 1, the support switches 15 are convenient to mount and dismount, the fixing blocks 16 are arranged on two sides of each of the plurality of support switches 15, the connecting blocks 17 are slidably connected to the fixing blocks 16, the back of the connecting blocks 17 is fixedly connected to the inner wall of the shell 10, the connecting blocks 17 comprise two first connecting blocks 171 and two second connecting blocks 172, the second connecting blocks 172 are arranged on one sides of the two support switches 15 close to each other, the first connecting blocks 171 are respectively arranged on two sides of the plurality of support switches 15, the fixing blocks 16 comprise rectangular frames 161, two second springs 162 and two shrinkage blocks 163, one sides of the rectangular frames 161 are fixedly connected to one sides of the support switches 15, one ends of the two second springs 162 are fixedly connected to the rectangular frames 161, the other ends of the two second springs 162 are respectively fixedly connected to the two shrinkage blocks 163, the shrinkage blocks 163 are slidably connected to the rectangular frames 161, the shrinkage blocks 163 are trapezoidal in shape, when maintenance is performed, the support switches 15 are pulled out, the support switches 15 for maintenance are protruded, the maintenance convenience is performed, when the support switches 15 are mounted, the shrinkage blocks 163 are tightly contacted with the connection blocks 17, and the stability of the support switches 15 is improved.

Referring to fig. 1-3, in order to enlarge an operation space of a worker, two semicircular gears 18 are fixedly connected to upper and lower sides of the front surface of a side plate 12, a groove 101 is transversely formed in the top and bottom of a housing 10, two first springs 19 are fixedly connected to the groove 101, two pawls 20 are hinged to the inner wall of the groove 101, one ends of the two first springs 19 away from the groove 101 are fixedly connected to one ends of the pawls 20, a pull rope 21 is fixedly connected to the pawls 20, a pull rod 22 is fixedly connected to one end of the pull rope 21 away from the pawls 20, the pull rod 22 is movably sleeved on the housing 10, a limit ring 25 is arranged on the pull rope 21, the limit ring 25 is fixedly connected to the groove 101, the pull rod 22 pulls the pull rope 21, the pull rope 21 pulls the pawl 20 under the limit of the limit ring 25, the pawl 20 is separated from the semicircular gears 18, the side plate 12 is unfolded, the operation space of the worker is enlarged, the side plate 12 is adjusted after the worker is completed, and the pawl 20 collides with the semicircular gears 18 under the action of the first springs 19, so as to fix the side plate 12.

The utility model discloses a theory of operation and use flow: when needs are dismantled, pulling pull rod 22, pull rod 22 drives stay cord 21, stay cord 21 pulls pawl 20 under the spacing of spacing ring 25, make pawl 20 and half round gear 18 separate, with curb plate 12 open and flat, thereby enlarge staff's operating space, take out a switch 15, make a switch 15 that needs to dismantle outstanding, conveniently dismantle, when installing, block 163 card into connecting block 17 with contracting, contracting block 163 is in close contact with under the effect of No. two springs 162, the stability of a switch 15 has been improved, adjust curb plate 12, pawl 20 contradicts half round gear 18 under the effect of a spring 19, thereby play the effect of fixed curb plate 12, in cable branch box working process, electric energy optimization module 24 plays the effect of optimizing the inside circuit of cable branch box, simultaneously through setting up motor 26, motor 26 drives fan 27, fan 27 blows the heat dissipation to inside article, avoid the problem that the inside high temperature of cable branch box leads to the article to burn out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable branch case for unbalanced three-phase and harmonic are administered, including casing (10), its characterized in that: the improved portable electric cooker is characterized in that a cover door (11) is hinged to one side of the front of the shell (10), a side plate (12) is hinged to one side of the shell (10), an incoming cable (13) is transversely arranged at the top of an inner cavity of the shell (10), a main switch (14) is arranged inside the shell (10), the back of the main switch (14) is installed on the inner wall of the shell (10), a plurality of branch switches (15) are arranged below the main switch (14), fixing blocks (16) are arranged on two sides of each branch switch (15), connecting blocks (17) are connected on the fixing blocks (16) in a sliding mode, two semicircular gears (18) are fixedly connected to the upper side and the lower side of the front of the side plate (12), grooves (101) are transversely formed in the top and the bottom of the shell (10), two springs (19) are fixedly connected to the grooves (101), two pawls (20) are hinged to the inner wall of each groove (101), one end, far away from the grooves (101), of the two springs (19) is fixedly connected with one end of each pawl (20), a pull rod (22) is fixedly connected to the pull rod (22), and a pull rod (22) is connected to the pull rod (10), and an electric energy optimization module (24) is installed on the cover door (11).

2. The cable branch box for three-phase imbalance and harmonic suppression of claim 1, wherein: the back of connecting block (17) and the inner wall fixed connection of casing (10), connecting block (17) include connecting block (171) and No. two connecting blocks (172) of a plurality of No. two connecting blocks (172), a plurality of No. two connecting blocks (172) set up in the one side that two switches (15) are close to each other, connecting block (171) set up the both sides at a plurality of switch (15) respectively.

3. The cable branch box for three-phase imbalance and harmonic suppression of claim 1, wherein: a limiting ring (25) is arranged on the pull rope (21), and the limiting ring (25) is fixedly connected in the groove (101).

4. The cable breakout box for three-phase imbalance and harmonic remediation of claim 1, wherein: the internally mounted of casing (10) has motor (26), install fan (27) on the output shaft of motor (26), louvre (121) have been seted up on curb plate (12).

5. The cable breakout box for three-phase imbalance and harmonic remediation of claim 1, wherein: the cover door (11) is horizontally and fixedly connected with two horizontal plates (23), one side, close to each other, of each horizontal plate (23) is provided with a sliding groove (231), and the electric energy optimization module (24) is in sliding connection with the horizontal plates (23) through the sliding grooves (231).

6. The cable breakout box for three-phase imbalance and harmonic remediation of claim 1, wherein: fixed block (16) include rectangle frame (161), two No. two springs (162) and two shrink pieces (163), one side of rectangle frame (161) and one side fixed connection who props up switch (15), two the one end of No. two springs (162) all with rectangle frame (161) fixed connection, two the other end of No. two springs (162) respectively with two shrink piece (163) fixed connection, sliding connection between shrink piece (163) and rectangle frame (161).

7. The cable breakout box for three-phase imbalance and harmonic remediation of claim 6, wherein: the shape of the contraction block (163) is trapezoidal.