CN112803335B

CN112803335B - Compact bus duct

Info

Publication number: CN112803335B
Application number: CN202110292734.1A
Authority: CN
Inventors: 刘芳; 姜光文; 倪星宇; 谭金辉
Original assignee: Huaxiang Xiangneng Technology Co Ltd
Current assignee: Huaxiang Xiangneng Technology Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2023-05-05
Anticipated expiration: 2041-03-18
Also published as: CN112803335A

Abstract

The invention discloses a compact dense bus duct, which has the advantages that compared with the traditional compact bus duct, the heat dissipation capacity of the compact dense bus duct is greatly improved, and when the compact dense bus duct is particularly used, copper bars are embedded between adjacent contact plates, and the contact plates, a first sliding plate and a second sliding plate are all plates made of insulating heat-conducting materials, such as heat-conducting ceramic plates; through sticis the laminating with the contact plate with the copper bar for copper bar and contact plate are the laminating face contact, can take away the heat that the copper bar during operation produced with the copper bar fully heat transfer, and transfer to first sliding plate and second sliding plate, and then transfer to the shell body, set up the air flue in the shell body, the air flows in the air flue under the effect of air-blower, can constantly exchange heat with the shell body, with take away the heat from first sliding plate and second sliding plate, thereby realize cooling heat dissipation to the copper bar.

Description

Compact bus duct

Technical Field

The invention relates to the technical field of bus ducts, in particular to a compact dense bus duct.

Background

With the advent of modern chemical engineering facilities and equipment, the power consumption of various industries has been rapidly increased, and particularly, the advent of numerous high-rise buildings and large-scale factory workshops, the conventional cables serving as power transmission wires have failed to meet the requirements in a high-current transmission system.

The plug-in bus duct is a novel distribution wire, and compared with the traditional cable, the plug-in bus duct fully shows its superiority when carrying heavy current, the contact resistance and the temperature rise of the connection part of two ends of the bus duct and the plug-in connection part of the branching port are greatly reduced, and the insulation material is used in the bus duct, so that the safety and the reliability of the bus duct are improved, and the whole power supply system is more perfect.

The existing bus duct is more compact in structure and is insulated by insulating materials to reduce the distance between copper bars, but the heat dissipation performance of the bus duct is reduced due to the arrangement, and the current of the copper bars is larger when the bus duct works normally, so that the temperature rises, and the working stability of the bus duct is reduced due to the temperature rise.

Disclosure of Invention

The invention mainly aims to provide a compact dense bus duct, and aims to solve the problem that the heat dissipation performance of the existing compact bus duct needs to be improved.

In order to achieve the above purpose, the technical scheme provided by the invention is as follows:

a compact bus duct comprises an outer shell, a blast assembly, copper bars and a fixing assembly; the inside of the outer shell is hollow; the outer shell comprises a first side wall and a second side wall which are opposite to each other and are arranged in parallel, and a third side wall and a fourth side wall which are opposite to each other and are arranged in parallel;

the outer shell is provided with an air duct; the ventilating duct sequentially penetrates through the first side wall, the third side wall, the second side wall and the fourth side wall; the ventilation channel is arranged in a surrounding extension mode along the length direction of the outer shell; the ventilating duct comprises an air inlet and an air outlet; the blower assembly includes a blower; the air outlet end of the blower is communicated with the air inlet;

the fixing assembly comprises a contact plate, a first sliding plate and a second sliding plate; the first sliding plate and the second sliding plate are respectively connected to two ends of the contact plate; the first sliding plate is in sliding fit contact with the inner wall of the first side wall; the second sliding plate is in sliding fit contact with the second side wall; the number of the fixed components is a plurality; the contact plates of each of the fixing assemblies are parallel to each other;

the copper bars are arranged between 2 adjacent contact plates and are in fit contact with the contact plates; the contact plate is an insulating contact plate; the outer shell is a metal outer shell.

Preferably, the contact plate extends in a length direction of the outer housing; the number of the first sliding plates connected to the same contact plate is a plurality of, and the plurality of the first sliding plates connected to the same contact plate are sequentially and equidistantly arranged; the number of the second sliding plates connected to the same contact plate is a plurality of, and the plurality of the second sliding plates connected to the same contact plate are sequentially and equidistantly arranged;

the plurality of first sliding plates are distributed along the length direction of the contact plate; the second sliding plates are distributed along the length direction of the supporting plate; the first sliding plates of adjacent ones of the fixing assemblies are staggered with respect to each other such that the first sliding plates are inserted into gaps between the first sliding plates connected to the adjacent ones of the support plates; the second sliding plates of the adjacent fixing assemblies are staggered with each other so that the second sliding plates can be inserted into gaps between the second sliding plates connected to the adjacent support plates.

Preferably, the first sliding plate and the second sliding plate are identical in structure and size; the first sliding plate and the second sliding plate are rectangular plates; the first sliding plate and the second sliding plate are both insulating plates;

the length direction of the first sliding plate is perpendicular to the length direction of the contact plate; the length direction of the second sliding plate is perpendicular to the length direction of the contact plate.

Preferably, the contact plate is connected to a middle portion of the first sliding plate, and the contact plate is connected to a middle portion of the second sliding plate; the length of the first sliding plate is 3 times of the thickness of the contact plate; the length of the second sliding plate is 3 times the thickness of the contact plate.

Preferably, the contact plate is perpendicular to the first sidewall; the contact plate is perpendicular to the first sliding plate and the second sliding plate at the same time; the contact plate is parallel to the third sidewall.

Preferably, the device further comprises a clamping assembly; the clamping assembly comprises a first clamping arm, a second clamping arm, a moving block, a screw rod, a nut and a driving element;

one end of the first clamping arm is hinged to the inner wall of the fourth side wall, and the other end of the first clamping arm is hinged to the moving block; one end of the second clamping arm is hinged to the contact plate close to the fourth side wall, and the other end of the second clamping arm is hinged to the moving block; a line between one end of the first clamping arm and one end of the second clamping arm is parallel to the first side wall;

the screw rod is rotatably arranged on the second side wall in a penetrating manner and extends into the outer shell; the nut is embedded in the moving block; the nut is matched with and screwed on the screw rod; the screw rod is perpendicular to the first side wall; the driving element is used for driving the screw rod to rotate.

Preferably, the driving element comprises a motor, a worm wheel and a worm; the worm wheel is coaxially connected to one end of the screw rod, which extends out of the second side wall; the worm is rotationally connected to the outer wall of the second side wall; the motor is fixed on the outer wall of the second side wall; the motor drives the worm to rotate; the worm is engaged with the worm wheel.

Preferably, the clamping assembly further comprises a push plate and a bearing seat; the pushing plate is fixed on the side surface, facing the fourth side wall, of the contact plate close to the fourth side wall; the second clamping arm is hinged to the push plate;

the bearing seat is arranged on the inner wall of the first side wall; one end of the screw rod extending into the shell is rotationally connected with the bearing seat through a bearing.

Preferably, the outer walls of the third side wall and the fourth side wall are further provided with a plurality of heat dissipation fins.

Preferably, the air inlet and the air outlet are both located on the first side wall.

Compared with the prior art, the invention has at least the following beneficial effects:

compared with the traditional compact bus duct, the compact bus duct has the advantages that the heat radiation capacity is greatly improved, when the compact bus duct is particularly used, copper bars are embedded between adjacent contact plates, and the contact plates, the first sliding plate and the second sliding plate are all made of insulating heat-conducting plates, such as heat-conducting ceramic plates; through sticis the laminating with the contact plate with the copper bar for copper bar and contact plate are the laminating face contact, can take away the heat that the copper bar during operation produced with the copper bar fully heat transfer, and transfer to first sliding plate and second sliding plate, and then transfer to the shell body, set up the air flue in the shell body, the air flows in the air flue under the effect of air-blower, can constantly exchange heat with the shell body, with take away the heat from first sliding plate and second sliding plate, thereby realize cooling heat dissipation to the copper bar.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of an internal structure of an embodiment of a compact bus duct according to the present invention;

fig. 2 is a cross-sectional view taken along A-A in fig. 1.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				110	Outer casing	120	First side wall
130	A second side wall	140	A third side wall
				150	Fourth side wall	160	Contact plate
170	First sliding plate	180	Second sliding plate
				190	Ventilating duct	210	Copper bar
220	First protective cover	230	Supporting plate
				240	Connecting column	250	First clamping arm
260	Second clamping arm	270	Push plate
				280	Moving block	290	Nut
310	Screw rod	320	Bearing pedestal
				330	Through hole	340	Bearing in through hole
350	Worm wheel	360	Worm screw
				370	First gear	380	Second gear
390	Motor with a motor housing	410	Second protective cover

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

The invention provides a compact intensive bus duct.

Referring to fig. 1-2, in an embodiment of a compact and dense bus duct according to the present invention, the compact and dense bus duct includes an outer housing 110, a blower assembly, a copper bar 210, and a fixing assembly; the outer case 110 is hollow inside; the outer case 110 includes first and

second sidewalls

120 and 130 disposed opposite to each other in parallel, and third and

fourth sidewalls

140 and 150 disposed opposite to each other in parallel.

The outer case 110 is provided with an air duct 190; the ventilation flue 190 penetrates through the first side wall 120, the third side wall 140, the second side wall 130 and the fourth side wall 150 in sequence; the air duct 190 extends around the outer case 110 in the longitudinal direction; the air duct 190 includes an air inlet and an air outlet; the blower assembly comprises a blower and a first protective cover 220, the first protective cover 220 is connected to the outer wall of the first side wall 120, and the blower is arranged in the first protective cover 220; the air outlet end of the blower is communicated with the air inlet.

The fixing assembly includes a contact plate 160, a first sliding plate 170, and a second sliding plate 180; the first and second

sliding plates

170 and 180 are connected to both ends (top and bottom ends) of the contact plate 160, respectively; the first sliding plate 170 is in sliding fit contact with the inner wall of the first side wall 120; the second sliding plate 180 is in sliding fit contact with the inner wall of the second side wall 130; the number of the fixing members is plural (7 are preferable in this embodiment); the contact plates 160 of the respective fixing members are parallel to each other.

The copper bars 210 are arranged between the adjacent 2 contact plates 160, and the copper bars 210 are in contact with the contact plates 160; the contact plate 160 is an insulating contact plate 160; the outer housing 110 is a metal outer housing 110.

Compared with the traditional compact bus duct, the heat dissipation capacity of the compact bus duct is greatly improved, and when the compact bus duct is particularly used, the copper bars 210 are embedded between the adjacent contact plates 160, and the contact plates 160, the first sliding plates 170 and the second sliding plates 180 are all made of plates made of insulating heat-conducting materials, such as heat-conducting ceramic plates; through sticis laminating contact plate 160 with copper bar 210 for copper bar 210 and contact plate 160 are the laminating face contact, can take away the heat that copper bar 210 during operation produced with copper bar 210 fully heat transfer, contact plate 160, and transfer to first sliding plate 170 and second sliding plate 180, and then transfer to shell body 110, because of set up air flue 190 in the shell body 110, the air flows in air flue 190 under the effect of air-blower, can constantly exchange heat with shell body 110, in order to take away the heat from first sliding plate 170 and second sliding plate 180, thereby realize cooling heat dissipation to copper bar 210.

Further, the contact plate 160 extends in the length direction of the outer case 110; the number of the first sliding plates 170 connected to the same contact plate 160 is plural, and the plural first sliding plates 170 connected to the same contact plate 160 are sequentially arranged at equal intervals; the number of the second sliding plates 180 connected to the same contact plate 160 is plural, and the plural second sliding plates 180 connected to the same contact plate 160 are sequentially disposed at equal intervals.

The plurality of first sliding plates 170 are distributed along the length direction of the contact plate 160; the plurality of second sliding plates 180 are distributed along the length direction of the support plate 230; as shown in fig. 2, the first sliding plates 170 of the adjacent fixing assemblies are staggered with each other so that the first sliding plates 170 can be inserted into gaps between the first sliding plates 170 connected to the adjacent support plates 230; the second sliding plates 180 of the adjacent fixing assemblies are staggered with each other so that the second sliding plates 180 can be inserted into gaps between the second sliding plates 180 connected to the adjacent support plates 230.

Through the above technical solution, when the adjacent contact plates 160 move towards each other, the adjacent contact plates 160 are not interfered by the first sliding plate 170 or the second sliding plate 180, so that the adjacent contact plates 160 are closer to each other, and are suitable for copper bars 210 with different sizes.

Meanwhile, the first and second

sliding plates

170 and 180 are identical in structure and size; the first and second

sliding plates

170 and 180 are rectangular plates; the first and second

sliding plates

170 and 180 are both insulating plates.

The length direction of the first sliding plate 170 is perpendicular to the length direction of the contact plate 160; the length direction of the second sliding plate 180 is perpendicular to the length direction of the contact plate 160.

Meanwhile, the contact plate 160 is connected to the middle of the first sliding plate 170, and the contact plate 160 is connected to the middle of the second sliding plate 180; the length of the first sliding plate 170 is 3 times the thickness of the contact plate 160; the length of the second sliding plate 180 is 3 times the thickness of the contact plate 160. The contact plate 160 is perpendicular to the first sidewall 120; the contact plate 160 is perpendicular to both the first and second

sliding plates

170 and 180; the contact plate 160 is parallel to the third sidewall 140.

Through the technical scheme, the structure and the function of the fixing assembly are perfected.

In addition, the compact dense bus duct also comprises a clamping component; the clamping assembly includes a first clamping arm 250, a second clamping arm 260, a moving block 280, a screw 310, a nut 290, and a driving element.

One end of the first clamping arm 250 is hinged to the inner wall of the fourth side wall 150, and the other end of the first clamping arm 250 is hinged to the moving block 280; one end of the second clamping arm 260 is hinged to the contact plate 160 adjacent to the fourth side wall 150, and the other end of the second clamping arm 260 is hinged to the moving block 280; the line between the end of the first clamping arm 250 and the end of the second clamping arm 260 is parallel to the first sidewall 120. The hinge point of the first clamping arm 250 and the moving block 280 is located at the same position as the hinge point of the second clamping arm 260 and the moving block 280.

The screw 310 is rotatably arranged on the second side wall 130 in a penetrating manner and extends into the outer shell 110; the moving block 280 is embedded with a nut 290; the nut 290 is matched and screwed on the screw rod 310; the screw 310 is perpendicular to the first sidewall 120; the driving element is used for driving the screw 310 to rotate.

Through the above technical solution, the contact plate 160 can be pressed against the copper bar 210 to fix the position of the copper bar 210; the driving element drives the screw 310 to rotate, so as to drive the moving block 280 to lift, thereby driving the first clamping arm 250 and the second clamping arm 260 to rotate, and thus driving the contact plate 160 to move in the horizontal direction, so as to press or loosen the copper bar 210.

Meanwhile, the driving element includes a motor 390, a worm wheel 350 and a worm 360; the worm gear 350 is coaxially connected to one end of the screw 310 protruding from the second side wall 130; the worm 360 is rotatably connected to the outer wall of the second sidewall 130; the motor 390 is fixed to the outer wall of the second side wall 130; the motor 390 drives the worm 360 to rotate (specifically, the worm 360 is coaxially connected with the first gear 370, the output shaft of the motor 390 is coaxially connected with the second gear 380, and the first gear 370 is meshed with the second gear 380); the worm 360 is engaged with the worm wheel 350. The second shield 410 is further connected to the outer wall of the second sidewall 130, and the worm 360, the worm wheel 350, the first gear 370, the second gear 380 and the motor 390 are disposed in the second shield 410.

In addition, the clamping assembly includes a push plate 270 and a bearing seat 320; the push plate 270 is fixed to the side of the contact plate 160 adjacent to the fourth side wall 150 facing the fourth side wall 150; the second clamping arm 260 is hinged to the push plate 270.

The bearing seat 320 is disposed on the inner wall of the first sidewall 120; one end of the screw 310 extending into the housing is rotatably coupled to the bearing housing 320 by a bearing. The second side wall 130 is provided with a through hole 330, a bearing is embedded in the through hole 330, and the screw rod 310 is fixedly connected to the inner ring wall of the bearing 340 embedded in the through hole.

The clamping assembly further comprises a support; the support includes a connection post 240 and a support plate 230; the supporting piece is arranged in the shell; the support plate 230 is parallel to the third sidewall 140; the connection post 240 is connected to the inner wall of the third sidewall 140; the support plate 230 is connected to an end of the connection post 240 remote from the third sidewall 140; the support plate 230 can be in abutting contact with the contact plate 160. By arranging the support plate 230, the support plate 230 can be abutted against the contact plate 160 close to the third side wall 140, and the support effect on the contact plate 160 is improved. Through the technical scheme, the structure and the function of the clamping assembly are perfected.

The outer walls of the third and

fourth sidewalls

140 and 150 are further provided with a plurality of heat radiating fins (not shown) to enhance heat radiating effect. Both the air inlet and the air outlet are located on the first sidewall 120.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. The compact intensive bus duct is characterized by comprising an outer shell, a blast assembly, copper bars and a fixing assembly; the inside of the outer shell is hollow; the outer shell comprises a first side wall and a second side wall which are opposite to each other and are arranged in parallel, and a third side wall and a fourth side wall which are opposite to each other and are arranged in parallel;

the fixing assembly comprises a contact plate, a first sliding plate and a second sliding plate; the first sliding plate and the second sliding plate are respectively connected to two ends of the contact plate; the first sliding plate is in sliding fit contact with the inner wall of the first side wall; the second sliding plate is in sliding fit contact with the second side wall; the number of the fixing components is a plurality; the contact plates of each of the fixing assemblies are parallel to each other;

the copper bars are arranged between 2 adjacent contact plates and are in fit contact with the contact plates; the contact plate is an insulating contact plate; the outer shell is a metal outer shell;

further comprising a clamping assembly; the clamping assembly comprises a first clamping arm, a second clamping arm, a moving block, a screw rod, a nut and a driving element;

the clamping assembly further comprises a support; the support piece comprises a connecting column and a support plate; the supporting piece is arranged in the shell; the support plate is parallel to the third side wall; the connecting column is connected to the inner wall of the third side wall; the support plate is connected to one end of the connecting column far away from the third side wall; the supporting plate can be in fit contact with the contact plate;

the contact plate extends along the length direction of the outer shell; the number of the first sliding plates connected to the same contact plate is a plurality of, and the plurality of the first sliding plates connected to the same contact plate are sequentially and equidistantly arranged; the number of the second sliding plates connected to the same contact plate is a plurality of, and the plurality of the second sliding plates connected to the same contact plate are sequentially and equidistantly arranged;

the plurality of first sliding plates are distributed along the length direction of the contact plate; the second sliding plates are distributed along the length direction of the supporting plate; the first sliding plates of adjacent ones of the fixing assemblies are staggered with respect to each other such that the first sliding plates are inserted into gaps between the first sliding plates connected to the adjacent ones of the support plates; the second sliding plates of the adjacent fixing assemblies are staggered with each other so that the second sliding plates can be inserted into gaps between the second sliding plates connected to the adjacent support plates;

2. The compact, dense bus duct of claim 1, wherein the first slide plate and the second slide plate are of uniform construction and size; the first sliding plate and the second sliding plate are rectangular plates; the first sliding plate and the second sliding plate are both insulating plates;

3. The compact busway of claim 2, wherein said contact plate is connected to a central portion of said first slide plate and said contact plate is connected to a central portion of said second slide plate; the length of the first sliding plate is 3 times of the thickness of the contact plate; the length of the second sliding plate is 3 times the thickness of the contact plate.

4. The compact, dense bus duct of claim 1, wherein the contact plate is perpendicular to the first side wall; the contact plate is perpendicular to the first sliding plate and the second sliding plate at the same time; the contact plate is parallel to the third sidewall.

5. The compact, dense bus duct of claim 1, wherein the drive element comprises a motor, a worm gear, and a worm; the worm wheel is coaxially connected to one end of the screw rod, which extends out of the second side wall; the worm is rotationally connected to the outer wall of the second side wall; the motor is fixed on the outer wall of the second side wall; the motor drives the worm to rotate; the worm is engaged with the worm wheel.

6. The compact, dense bus duct of claim 1, wherein the clamping assembly further comprises a push plate and a bearing housing; the pushing plate is fixed on the side surface, facing the fourth side wall, of the contact plate close to the fourth side wall; the second clamping arm is hinged to the push plate;

7. The compact, dense bus duct of claim 1, wherein the outer walls of the third and fourth side walls are further provided with a plurality of heat dissipating fins.

8. The compact, dense bus duct of claim 7, wherein the air inlet and the air outlet are both located in the first side wall.