Bus duct with high heat dissipation efficiency

Abstract

The invention discloses a bus duct with high heat dissipation efficiency, and relates to the technical field of bus ducts. The power equipment comprises a sealing assembly, a wiring assembly, a plurality of conductive connecting pieces, a linkage heat dissipation assembly and two heat dissipation frames, wherein the sealing assembly comprises a mounting frame in bolt connection with the power equipment, positioning openings are formed in the two ends of the mounting frame correspondingly, and the conductive connecting pieces are located in the mounting frame and are evenly distributed in the left-right direction; a plurality of rectangular frames arranged in a connected mode are arranged in each heat dissipation frame located in the installation frame, bimetallic strips are arranged in the rectangular frames, and the clamping and positioning assembly comprises two sets of locking plates located in the installation openings respectively. According to the invention, the bimetallic strip deforms according to the magnitude of heat so as to drive the linkage strip cylinder to rotate and move in the rectangular frame, so that the sealing plate is controlled to drive the rubber plug to move out of the heat dissipation hole or re-block the heat dissipation hole, and heat dissipation work can be carried out according to the magnitude of the internal temperature of the bus duct.

Description

Technical Field

[0001] The present invention belongs to the technical field of bus ducts, and particularly relates to a bus duct with high heat dissipation efficiency. Background Art

[0002] With the emergence of modern engineering facilities and equipment, the electricity consumption in all walks of life has increased rapidly. Especially with the appearance of numerous high-rise buildings and large factory workshops, traditional cables as transmission conductors can no longer meet the requirements in high-current transmission systems. The parallel use of multiple cables brings many inconveniences to on-site installation and construction connections. As a new type of distribution conductor, the bus duct has emerged. The bus duct is an enclosed metal device composed of copper and aluminum busbars, used to distribute relatively large power to each component of the decentralized system, and has increasingly replaced wire and cable in indoor low-voltage power transmission main line engineering projects;

[0003] At the same time, after retrieving existing published documents, a patent document with the patent number CN117673992B discloses a heat dissipation type bus duct, which relates to the technical field of bus ducts. It includes a bus duct body. Reinforcement plates are installed at both the upper and lower ends of the bus duct body. Side support plates are installed on the bus duct body. Sealing plates are installed at both ends of the bus duct body. A water-cooling plate is installed inside the side support plate, and a water-cooling component is arranged inside the water-cooling cavity; an air-cooling mechanism is arranged inside the air-cooling groove; a limit bolt is arranged inside the limit hole, and a reinforcement component is arranged between the limit bolts. Through the cooperation of the reinforcement plate, the side support plate and the air-cooling mechanism, the present invention can improve the anti-damage effect of the bus duct body during use, effectively improve the coating effect on the bus duct body, and improve the moisture-proof performance of the bus duct body during use; it is convenient to timely discharge the heat gathered in the heat dissipation groove; it can enable the cold source inside the water-cooling plate to be quickly transferred and delivered towards the heat dissipation fins, improve the heat dissipation effect on the side wall of the bus duct body, and can further improve the heat dissipation and cooling effect of the bus duct.

[0004] A patent document with the patent number CN215772432U discloses a heat dissipation structure for a high heat dissipation efficiency compact bus duct, including an outer shell. Two side guard plates are symmetrically installed at both ends of the outer shell. Five conductors are arranged on the outer surfaces at both ends of the outer shell. A heat conduction base is installed at the upper end of the inner wall of the outer shell. Heat conduction columns are arranged on both sides of the upper surface of the heat conduction base. Heat dissipation fins are arranged on the outer sides of the two heat conduction columns. Four axial fans are installed between the two heat dissipation fins. An endothermic base is installed on the lower surface of the heat conduction base. Clamping pieces are arranged on the lower surface of the endothermic base. The inner walls of the two outermost clamping pieces are provided with fitting surfaces, and the two sides of the three inner clamping pieces are provided with fitting surfaces. The present invention installs a heat dissipation structure for the bus duct, improves the heat dissipation efficiency of the bus duct, and has a more significant effect with dual-channel heat dissipation.

[0005] However, the existing busbar trunking generates heat during operation of the large-current busbar trunking. Complete sealing may hinder heat dissipation. Therefore, in order to ensure that the interior of the busbar trunking does not reach a high-temperature state, a corresponding heat dissipation structure is generally installed inside the busbar trunking. However, the use of a heat dissipation structure will result in long-term air circulation between the internal and external spaces of the busbar trunking, thus affecting the sealing performance of the busbar trunking. If the busbar trunking is in an incompletely sealed state for a long time, its interior will be affected by moisture or dust accumulation, resulting in corrosion of the internal insulation layer and short circuit between the conductive sheets inside the busbar trunking. Summary of the Invention

[0006] The object of the present invention is to provide a busbar trunking with high heat dissipation efficiency, by

[0007] To solve the above technical problems, the present invention is realized through the following technical solutions:

[0008] A busbar trunking with high heat dissipation efficiency includes a sealing component, including a mounting frame bolted to electrical equipment. Positioning ports are provided at both ends of the mounting frame, sealing ports are provided on both side surfaces of the mounting frame, and mounting ports are provided in the middle of the upper and lower side walls of the mounting frame. A wiring component includes a plurality of conductive connection pieces arranged horizontally and evenly inside the mounting frame. A linkage heat dissipation component includes two heat dissipation frames respectively arranged inside the sealing ports. Inside each heat dissipation frame inside the mounting frame, a plurality of rectangular frames arranged in contact are provided. A bimetallic strip is provided inside each rectangular frame. Square ports are provided at positions corresponding to each rectangular frame on the side wall of the heat dissipation frame outside the mounting frame. A sealing plate is provided inside each square port. A clamping and positioning component includes two groups of locking plates respectively arranged inside the mounting ports.

[0009] Furthermore, side sealing plates are bolted to both end faces of the mounting frame on both sides of the positioning ports. Insulating sleeves are sleeved on the peripheral walls of the conductive connection pieces inside the mounting frame. The two ends of the conductive connection pieces and the insulating sleeves respectively pass through the corresponding positioning ports. A positioning sleeve is provided inside each positioning port. The two ends of the conductive connection pieces and the insulating sleeves respectively pass through the through ports on the side wall of the positioning sleeve, and the surface of the insulating sleeve is in contact with the inner wall of the through port on the side wall of the positioning sleeve.

[0010] Furthermore, multiple conductive connection pieces are all located between two adjacent side sealing plates. The heat dissipation frame is connected to the side wall of the mounting frame by bolts. Unscrewing the bolts facilitates the disassembly of the assembly between the heat dissipation frame and the mounting frame.

[0011] Further, notches communicating with the inside of the installation opening are formed in the upper and lower side walls outside the installation frame. A convex plate located inside the notch is fixed to the side surface of the locking plate. A through hole in the side wall of the convex plate is sleeved on a stud at the side wall of the notch. The convex plate is installed in the notch through the spiral fit between the nut and the stud. Clamping insulating soft pads located inside the installation frame are fixed to the opposite end faces of the two locking plates. The clamping insulating soft pads are in contact with the outer wall of the insulating sleeve. The convex plate is located in the notch to limit the convex plate and ensure that the locking plate is stably located in the installation opening.

[0012] Further, a heat dissipation area composed of a plurality of heat dissipation holes distributed in a rectangular array is provided on the inner wall of each square opening. Each heat dissipation hole communicates with the inside of the rectangular frame. Rubber plugs are fixed at the positions of the sealing plate corresponding to each heat dissipation hole, and each rubber plug is inserted into the corresponding heat dissipation hole. Controlling the entry and exit of the rubber plug inside the heat dissipation hole can facilitate the blocking work of the heat dissipation frame.

[0013] Further, movable holes communicating with the inside of the rectangular frame are formed in the positions of the left and right sides of the heat dissipation area on the inner wall of each square opening. Two movable rods respectively passing through the corresponding movable holes are fixed to the side wall of each sealing plate. By moving the movable rods inside the movable holes, it is convenient to drive the sealing plate to enter and exit the square opening.

[0014] Further, assembly strips are provided inside the rectangular frame between the bimetal sheet and the conductive connection piece, and both ends of the assembly strip are bolted to the two vertical side walls inside the rectangular frame. An installation piece is bolted to the end face of the bimetal sheet close to the assembly strip, and the installation piece and the assembly strip are bolted together.

[0015] Further, connection heads are fixed to both side surfaces of the active layer of the bimetal sheet. Linkage barrel sleeves are provided at the positions on both sides of the bimetal sheet inside each rectangular frame. I-shaped rotating heads rotatably connected to the adjacent connection heads are fixed to the ends of the linkage barrel sleeves close to the bimetal sheet. Axis point sleeves are provided at the positions of the ends of the linkage barrel sleeves far from the bimetal sheet. A limiting rod inserted into the corresponding linkage barrel sleeve is fixed to the outer wall of the axis point sleeve. Springs are fixed between the outer wall of the axis point sleeve and the end face of the linkage barrel sleeve. The use of the springs can make the distance between the axis point sleeve and the linkage barrel sleeve adjustable, so that when the movable rod moves, there will be no movement interference. At the same time, through the rotational fit between the I-shaped rotating head and the connection head, when the connection head moves, the connection head will synchronously drive the movement of the I-shaped rotating head.

[0016] Further, middle sleeves are fixed at the parts of the linkage bobbin near the bimetal sheet. A positioning rod is arranged inside the middle sleeve. The upper and lower ends of the positioning rod are connected to the upper and lower walls inside the rectangular frame by bolts. U-shaped sleeves rotatably connected to the shaft point sleeves are fixed to the end faces of the movable rods inside the rectangular frame. Through the rotational cooperation between the U-shaped sleeves and the shaft point sleeves, when the shaft point sleeve rotates synchronously with the linkage bobbin, it will push the U-shaped sleeve to move along the position of the movable hole and control the movable rod to slide in the movable hole.

[0017] Further, assembly openings are penetrated and provided at the corresponding upper and lower middle positions of each rectangular frame on the upper and lower surfaces of the heat dissipation frame. The through openings on the upper and lower surfaces of the rectangular frame are in the same upper and lower positions as the assembly openings. Assembly blocks passing through the through openings and inserted inside the assembly openings are bolted to the upper and lower walls inside each rectangular frame. By inserting the assembly blocks into the assembly openings, multiple rectangular frames can be installed in the heat dissipation frame at the same time. And due to the quick disassembly between the assembly blocks and the assembly openings, it is convenient to disassemble and replace a single rectangular frame in the heat dissipation frame.

[0018] The present invention has the following beneficial effects:

[0019] By installing the bimetal sheet in the rectangular frame and the interior of the rectangular frame is communicated with that of the installation frame, when the conductive contact piece is in a state of passing current for a long time, the heat generated by it will fill the interior of the installation frame, and then the temperature inside the installation frame will gradually increase, and the temperature inside the rectangular frame will also increase. When the temperature reaches the temperature sensed by the bimetal sheet, the active layer of the bimetal sheet will bend and deform towards the direction of the conductive contact piece. Thus, the bimetal sheet will push the sealing plate to move out of the position inside the square opening through a series of structures, so that the internal and external spaces of the heat dissipation frame are communicated. Then the hot air inside the installation frame will flow out from the heat dissipation frame, achieving the exchange of internal and external air and realizing the cooling treatment of the interior of the installation frame. At the same time, when the temperature inside the installation frame decreases, at this time the bimetal sheet will elastically reset, drive the linkage bobbin to reset and rotate, and drive the movable rod to move in the movable hole, and move the sealing plate back to the square opening to realize the sealing of the interior of the installation frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 is the overall structural external view of the present invention;

[0022] Figure 2 is the overall structural explosion view of the present invention;

[0023] Figure 3 is the structural sectional view of the present invention;

[0024] Figure 4 is the structural exploded view of the heat dissipation frame, rectangular frame, sealing plate, assembly strip, bimetallic strip and assembly block in the present invention;

[0025] Figure 5 is the structural exploded view of the heat dissipation frame, rectangular frame and sealing plate in the present invention;

[0026] Figure 6 is the structural combination view of the heat dissipation frame in the present invention;

[0027] Figure 7 is the structural combination view of the rectangular frame, assembly strip, bimetallic strip and assembly block in the present invention;

[0028] Figure 8 is the structural exploded view of the bimetallic strip and the linkage barrel in the present invention;

[0029] Figure 9 is the structural combination view of the sealing plate in the present invention;

[0030] Figure 10 is the structural exploded view of the mounting frame and the locking plate in the present invention.

[0031] Reference numerals:

[0032] 1. Sealing assembly; 101. Mounting frame; 1011. Sealing port; 1012. Mounting port; 1013. Notch; 1014. Positioning port; 102. Positioning sleeve; 103. Side sealing plate;

[0033] 2. Wiring assembly; 201. Conductive connecting piece; 2011. Insulating sleeve;

[0034] 3. Linkage heat dissipation assembly; 301. Heat dissipation frame; 3011. Assembly port; 3012. Square port; 3013. Moving hole; 3014. Heat dissipation hole; 302. Rectangular frame; 303. Sealing plate; 3031. Rubber plug; 3032. Moving rod; 3033. U-shaped sleeve; 304. Assembly strip; 305. Bimetallic strip; 3051. Connection head, 3052. Mounting piece; 306. Assembly block; 307. Linkage barrel; 3071. Middle sleeve; 3072. I-shaped rotating head; 3073. Axis point sleeve; 3074. Limiting rod; 3075. Spring; 308. Positioning rod;

[0035] 4. Clamping and positioning assembly; 401. Locking plate; 4011. Convex plate; 4012. Clamping insulating soft pad. Detailed implementation manners

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0037] Embodiment 1: Please refer to Figure 1 、 Figure 2 、 Figure 4 and Figure 5 The present invention is a busbar trunking with high heat dissipation efficiency. The bimetallic strip 305 deforms according to the high or low temperature, thereby driving the linkage barrel 307 to rotate inside the rectangular frame 302, so as to control the sealing plate 303 to drive the rubber plug 3031 to move out or re-seal inside the heat dissipation hole 3014, realizing heat dissipation work according to the high or low temperature inside the busbar trunking.

[0038] Specifically, the sealing assembly 1 includes a mounting frame 101 bolted to the electrical equipment. Positioning ports 1014 are provided at both ends of the mounting frame 101, sealing ports 1011 are provided on both side surfaces of the mounting frame 101, and mounting ports 1012 are provided in the middle of the upper and lower side walls of the mounting frame 101. The wiring assembly 2 includes a plurality of conductive connection pieces 201 arranged horizontally and evenly inside the mounting frame 101. The linkage heat dissipation assembly 3 includes two heat dissipation frames 301 respectively arranged inside the sealing ports 1011. A plurality of rectangular frames 302 arranged in series are provided inside each heat dissipation frame 301 inside the mounting frame 101. Bimetallic strips 305 are provided inside the rectangular frames 302. Square ports 3012 are provided at positions corresponding to each rectangular frame 302 on the side wall of the heat dissipation frame 301 outside the mounting frame 101. Sealing plates 303 are provided inside each square port 3012. The clamping and positioning assembly 4 includes two groups of locking plates 401 respectively arranged inside the mounting ports 1012.

[0039] By setting and using the above structure, when using this busbar trunking, the conductive joints on the equipment are respectively connected to multiple conductive tabs 201 one by one, and the connected conductive joints and conductive tabs 201 are separated by an insulating sleeve 2011 to avoid short circuits. At the same time, the height of the sealing port 1011 is greater than the height of the positioning port 1014. Therefore, the positioning sleeve 102 used inside the positioning port 1014 can be taken out from the position of the sealing port 1011. By installing the bimetallic strip 305 in the rectangular frame 302, and the rectangular frame 302 is connected to the inside of the installation frame 101. Therefore, when the conductive tab 201 is in a state of passing current for a long time, the heat generated by it will fill the inside of the installation frame 101, and then the temperature inside the installation frame 101 will gradually increase, and the temperature inside the rectangular frame 302 will also increase. When the temperature reaches the temperature sensed by the bimetallic strip 305, the active layer of the bimetallic strip 305 will bend and deform in the direction of the conductive tab 201. Thus, the bimetallic strip 305 will push the sealing plate 303 to move out of the inner position of the square opening 3012 through a series of structures, so that the internal and external spaces of the heat dissipation frame 301 are connected. Then, the hot air inside the installation frame 101 will flow out from the position of the heat dissipation frame 301, achieving the exchange of internal and external air and realizing the cooling treatment of the inside of the installation frame 101. At the same time, since there are multiple rectangular frames 302, the bimetallic strips 305 inside the corresponding rectangular frames 302 can be controlled to work according to the temperature difference in different areas inside the installation frame 101.

[0040] Furthermore, according to Figure 4 , Figure 5 , Figure 6 and Figure 9 , a heat dissipation area composed of a plurality of heat dissipation holes 3014 arranged in a rectangular array is provided on the inner wall of each square opening 3012. Each heat dissipation hole 3014 is connected to the inside of the rectangular frame 302. Rubber plugs 3031 are fixed at the positions of the sealing plate 303 corresponding to each heat dissipation hole 3014, and each rubber plug 3031 is respectively inserted into the corresponding heat dissipation hole 3014. When the sealing plate 303 moves out inside the square opening 3012, the sealing plate 303 will drive the rubber plug 3031 to move out inside the heat dissipation hole 3014. Thus, air can be exchanged inside and outside from the position of the heat dissipation hole 3014. When the heat dissipation is over and the temperature inside the installation frame 101 decreases, the sealing plate 303 will be driven into the square opening 3012, and the rubber plug 3031 will be re-inserted into the heat dissipation hole 3014 to seal the position of the square opening 3012 and ensure that the inside of the installation frame 101 is in a sealed state.

[0041] Furthermore, according to Figure 4 and Figure 7, through holes are respectively formed in the upper and lower middle positions corresponding to each rectangular frame 302 on the upper and lower surfaces of the heat dissipation frame 301, and the through holes on the upper and lower surfaces of the rectangular frame 302 are in the same vertical positions as the assembly ports 3011. Assembly blocks 306 that pass through the through holes and are inserted into the interior of the assembly ports 3011 are bolted to the upper and lower walls inside each rectangular frame 302. After inserting a plurality of rectangular frames 302 into the interior of the heat dissipation frame 301, the assembly blocks 306 are passed through the through hole positions on the side walls of the rectangular frames 302 and inserted into the assembly ports 3011. Therefore, the rectangular frames 302 and the heat dissipation frame 301 are subjected to limit assembly treatment through the assembly blocks 306, thereby realizing the assembly between the heat dissipation frame 301 and the rectangular frames 302. Then, the heat dissipation frame 301 is installed at the position of the sealing port 1011, so that the interior positions of multiple groups of rectangular frames 302 are connected to the interior of the installation frame 101. And when disassembling the rectangular frames 302, the bolts connecting the heat dissipation frame 301 and the installation frame 101 are unscrewed, and the heat dissipation frame 301 is taken out from the interior of the sealing port 1011, thereby disassembling the heat dissipation frame 301, and thus the assembly blocks 306 can be disassembled to separate the heat dissipation frame 301 and the rectangular frames 302.

[0042] Embodiment 2: Please refer to Figure 2 , Figure 3 and Figure 10 , on the basis of the specific Embodiment 1, by positioning the positioning sleeve 102 at the position of the positioning port 1014, a certain distance is thus formed between each conductive contact piece 201, ensuring that two adjacent conductive contact pieces 201 do not come into contact with each other, enabling the busbar trunking to operate safely and avoiding short circuits.

[0043] Specifically, side sealing plates 103 are bolted to both end faces of the installation frame 101 on both sides of the positioning port 1014. Insulating sleeves 2011 are sleeved on the peripheral walls of the conductive contact pieces 201 inside the installation frame 101. The two ends of the conductive contact pieces 201 and the insulating sleeves 2011 respectively pass through the corresponding positioning port 1014 positions. Positioning sleeves 102 are arranged inside each positioning port 1014. The two ends of the conductive contact pieces 201 and the insulating sleeves 2011 respectively pass through the through hole positions on the side walls of the positioning sleeves 102, and the outer surface of the insulating sleeve 2011 is in contact with the inner wall of the through hole on the side wall of the positioning sleeve 102. A plurality of conductive contact pieces 201 are all located between two adjacent side sealing plates 103. The heat dissipation frame 301 is connected to the side wall of the installation frame 101 by bolts;

[0044] Through the use of the above structure, since the positioning sleeve 102 is located at the positioning ports 1014 at both ends of the installation frame 101, after the insulating sleeve 2011 and the conductive connecting piece 201 pass through the through ports on the side walls of the positioning ports 1014, the positioning sleeve 102 is used to hold and position the insulating sleeve 2011 and the conductive connecting piece 201. In this way, there is a certain distance between each conductive connecting piece 201, ensuring that two adjacent conductive connecting pieces 201 do not come into contact with each other, enabling the safe operation of the busbar trunking and avoiding short circuits. At the same time, through the use of the side sealing plate 103, when using the busbar trunking, the conductive connecting piece 201 will be assembled with the connecting piece in the external device. Therefore, the position of the external packaging structure and the side sealing plate 103 is bolted together to seal the installation location of the conductive connecting piece 201 and prevent leakage. In addition, the insulating sleeve 2011 is sleeved on the conductive connecting piece 201 to insulate the conductive connecting piece 201 from the installation frame 101.

[0045] Embodiment 3: Please refer to Figure 1 、 Figure 2 and Figure 10 , on the basis of the specific Embodiment 1, by assembling the locking plate 401 in the installation opening 1012, the clamping insulating soft pad 4012 can be closely attached to the insulating sleeve 2011, preventing the conductive connecting piece 201 from sliding inside the installation frame 101 and avoiding the situation of position deviation of the conductive connecting piece 201.

[0046] Specifically, concave openings 1013 that are in communication with the inside of the installation opening 1012 are provided on the upper and lower side walls outside the installation frame 101. A convex plate 4011 located inside the concave opening 1013 is fixed on the side surface of the locking plate 401. The through hole on the side wall of the convex plate 4011 is sleeved on the stud at the side wall of the concave opening 1013. The convex plate 4011 is installed in the concave opening 1013 through the spiral fit between the nut and the stud. Clamping insulating soft pads 4012 located inside the installation frame 101 are fixed on the opposite end faces of the two locking plates 401, and the clamping insulating soft pads 4012 are in contact with the outer surface of the insulating sleeve 2011;

[0047] By setting and using the above structure, the locking plate 401 is placed into the installation opening 1012. As a result, the convex plate 4011 is located in the notch 1013, and the studs on the side wall of the notch 1013 pass through the through holes on the convex plate 4011. Then, a nut is screwed onto the stud, making the nut closely contact the surface of the convex plate 4011. Therefore, the nut limits the locking plate 401 in the installation opening 1012. At the same time, after the locking plate 401 is inside the installation opening 1012, the clamping insulating soft pad 4012 on its end face contacts the outer side wall of the insulating sleeve 2011. The friction between the clamping insulating soft pad 4012 and the insulating sleeve 2011 can prevent the conductive contact piece 201 from sliding inside the installation frame 101 and avoid the situation of position deviation of the conductive contact piece 201.

[0048] Embodiment 4: Please refer to Figure 6 , Figure 7 , Figure 8 and Figure 9 , based on the specific Embodiment 1, through the cooperation between the movable rod 3032 and the movable hole 3013, it is ensured that the movable rod 3032 stably slides in the movable hole 3013, so that the sealing plate 303 can move precisely.

[0049] Specifically, movable holes 3013 that communicate with the inside of the rectangular frame 302 are opened at positions on the left and right sides of the heat dissipation area on the inner walls of each square opening 3012. Two movable rods 3032 that respectively pass through the corresponding movable holes 3013 are fixed on the side walls of each sealing plate 303. Assembly strips 304 are arranged inside the rectangular frame 302 between the bimetallic strip 305 and the conductive contact piece 201. The two ends of the assembly strip 304 are bolted to the two vertical side walls inside the rectangular frame 302. An installation piece 3052 is bolted to the end face of the bimetallic strip 305 close to the assembly strip 304, and the installation piece 3052 is bolted to the assembly strip 304;

[0050] By setting and using the above structure, through the assembly work between the assembly strip 304 and the installation piece 3052, after the assembly strip 304 is installed inside the rectangular frame 302, the assembly strip 304 supports the installation piece 3052, and thus supports the bimetallic strip 305, ensuring that the bimetallic strip 305 stably works inside the rectangular frame 302. And the movable rod 3032 is inside the movable hole 3013. Therefore, the movable hole 3013 limits the movable rod 3032, ensuring that the movable rod 3032 stably slides in the movable hole 3013, so that the sealing plate 303 can move precisely.

[0051] Embodiment 5: Please refer to Figure 6 , Figure 7 , Figure 8 and Figure 9, on the basis of the first specific embodiment, through the cooperation between the linkage bobbin 307 and the shaft point sleeve 3073, it is convenient to drive the movable rod 3032 to move back and forth in the movable hole 3013, so as to accurately drive the movement of the sealing plate 303.

[0052] Specifically, connection heads 3051 are fixed on both side surfaces of the active layer of the bimetal sheet 305. Linkage bobbins 307 are arranged at positions on both sides of the bimetal sheet 305 inside each rectangular frame 302. At the ends of the linkage bobbins 307 close to the bimetal sheet 305, I-shaped rotating heads 3072 rotatably connected to the adjacent connection heads 3051 are fixed. Shaft point sleeves 3073 are arranged at the ends of the linkage bobbins 307 far from the bimetal sheet 305. Limiting rods 3074 inserted into the corresponding internal parts of the linkage bobbins 307 are fixed on the outer walls of the shaft point sleeves 3073. Springs 3075 are fixed between the outer walls of the shaft point sleeves 3073 and the end faces of the linkage bobbins 307. Middle sleeves 3071 are fixed at the parts of the linkage bobbins 307 close to the bimetal sheet 305. Positioning rods 308 are arranged inside the middle sleeves 3071. The upper and lower ends of the positioning rods 308 are connected to the upper and lower walls inside the rectangular frame 302 by bolts. U-shaped sleeves 3033 rotatably connected to the shaft point sleeves 3073 are fixed on the end faces of the movable rods 3032 inside the rectangular frame 302;

[0053] Through the setting and use of the above structure, when the temperature inside the mounting frame 101 is too high and enters the rectangular frame 302, the bimetal sheet 305 will sense the temperature and concave and deform inward in the direction of the conductive contact piece 201. Thus, the connection heads 3051 on the side walls of the bimetal sheet 305 will directly drive the I-shaped rotating heads 3072 to move synchronously, and thereby drive the linkage bobbins 307 to rotate. After the positioning rod 308 passes through the position of the middle sleeve 3071, the positioning rod 308 limits the middle sleeve 3071. Furthermore, the linkage bobbin 307 will rotate around the positioning rod 308 as the axis, and control the shaft point sleeve 3073 at the other end of the linkage bobbin 307 to rotate inside the U-shaped sleeve 3033, and thereby push the movable rod 3032 to move outward inside the movable hole 3013, so as to control the sealing plate 303 to move out of the square opening 3012. Since the limiting rod 3074 is slidably inserted into the linkage bobbin 307, the distance between the shaft point sleeve 3073 and the linkage bobbin 307 can be adjusted, so that the movable rod 3032 can stably slide in the movable hole 3013;

[0054] Meanwhile, when the temperature inside the mounting frame 101 decreases, the bimetallic strip 305 resets and deforms at this time, and drives the I-shaped rotating head 3072 to reset and move through the connector 3051, thereby driving the linkage barrel 307 to reset and rotate, so as to control the movable rod 3032 to move inside the rectangular frame 302 in the movable hole 3013. As a result, it will directly drive the sealing plate 303 to move back into the square opening 3012, block the heat dissipation holes 3014, and seal the side of the mounting frame 101. The movable hole 3013 limits the U-shaped sleeve 3033, which can prevent the U-shaped sleeve 3033 from moving out of the movable hole 3013 and prevent the sealing plate 303 from being pushed off the heat dissipation frame 301;

[0055] When the shaft point sleeve 3073 pushes the movable rod 3032 to move outward in the movable hole 3013, the spring 3075 will also push the shaft point sleeve 3073 to move at this time, so as to adjust the distance between the shaft point sleeve 3073 and the linkage barrel 307. When the shaft point sleeve 3073 moves, it will drive the limit rod 3074 to slide inside the linkage barrel 307 to ensure that the shaft point sleeve 3073 and the linkage barrel 307 are at the same height, and the limit rod 3074 limits the spring 3075 to prevent the spring 3075 from bending.

[0056] The distance between the connector 3051 and the middle sleeve 3071 is greater than the distance between the middle sleeve 3071 and the shaft point sleeve 3073. Therefore, when the linkage barrel 307 rotates with the positioning rod 308 as the axis line, the rotating amplitude of the part of the linkage barrel 307 assembled with the connector 3051 is smaller than the rotating amplitude of the part of the linkage barrel 307 assembled with the shaft point sleeve 3073. At the same time, this method can facilitate the expansion of the moving distance of the sealing plate 303 to ensure that the rubber plug 3031 can be completely moved out of the heat dissipation holes 3014 and ensure the stability of the heat dissipation work.

[0057] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0058] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A busbar with high heat dissipation efficiency, comprising: A sealing assembly (1), including a mounting frame (101) bolted to electrical equipment. Positioning ports (1014) are provided at both ends of the mounting frame (101), sealing ports (1011) are provided on both side surfaces of the mounting frame (101), and mounting ports (1012) are provided in the middle of the upper and lower side walls of the mounting frame (101); A wiring assembly (2), including a plurality of conductive connecting pieces (201) arranged horizontally and evenly inside the mounting frame (101); A linkage heat dissipation assembly (3), including two heat dissipation frames (301) respectively arranged inside the sealing ports (1011). A plurality of rectangular frames (302) arranged in series are provided inside each heat dissipation frame (301) inside the mounting frame (101). Bimetallic strips (305) are provided inside the rectangular frames (302). Square ports (3012) are provided on the side walls of the heat dissipation frames (301) outside the mounting frame (101) corresponding to each rectangular frame (302), and sealing plates (303) are provided inside each square port (3012); and A clamping and positioning assembly (4), including two groups of locking plates (401) respectively arranged inside the mounting ports (1012).

2. The busbar with high heat dissipation efficiency according to claim 1, characterized in that: Side sealing plates (103) are bolted to both end faces of the mounting frame (101) on both sides of the positioning ports (1014). Insulating sleeves (2011) are sleeved on the peripheral walls of the conductive connecting pieces (201) inside the mounting frame (101), and both ends of the conductive connecting pieces (201) and the insulating sleeves (2011) pass through the corresponding positioning ports (1014); Positioning sleeves (102) are provided inside each positioning port (1014), and both ends of the conductive connecting pieces (201) and the insulating sleeves (2011) pass through the through ports on the side walls of the positioning sleeves (102), and the outer wall of the insulating sleeve (2011) is in contact with the inner wall of the through port on the side wall of the positioning sleeve (102).

3. The busbar with high heat dissipation efficiency according to claim 2, characterized in that: Multiple conductive connecting pieces (201) are all located between two adjacent side sealing plates (103), and the heat dissipation frames (301) are connected to the side walls of the mounting frame (101) by bolts.

4. The busbar with high heat dissipation efficiency according to claim 1, characterized in that: Notches (1013) communicating with the inside of the mounting ports (1012) are provided on the upper and lower side walls outside the mounting frame (101). A convex plate (4011) located inside the notch (1013) is fixed to the side surface of the locking plate (401). The through hole on the side wall of the convex plate (4011) is sleeved on the stud on the side wall of the notch (1013), and the convex plate (4011) is installed in the notch (1013) by spiral cooperation between the nut and the stud; On the opposite end faces of the two locking plates (401), clamping insulating soft pads (4012) located inside the installation frame (101) are fixed, and the clamping insulating soft pads (4012) are in contact with the outer wall of the insulating sleeve (2011).

5. A busbar groove with high heat dissipation efficiency according to claim 1, characterized in that: On the inner wall of each square opening (3012), a heat dissipation area composed of a plurality of heat dissipation holes (3014) distributed in a rectangular array is provided. Each heat dissipation hole (3014) is communicated with the inside of the rectangular frame (302). At the position corresponding to each heat dissipation hole (3014), a rubber plug (3031) is fixed on the sealing plate (303), and each rubber plug (3031) is inserted into the corresponding heat dissipation hole (3014).

6. A busbar groove with high heat dissipation efficiency according to claim 5, characterized in that: On the inner wall of each square opening (3012) at the left and right positions of the heat dissipation area, movable holes (3013) communicated with the inside of the rectangular frame (302) are opened. On the side wall of each sealing plate (303), two movable rods (3032) respectively passing through the corresponding movable holes (3013) are fixed.

7. A busbar groove with high heat dissipation efficiency according to claim 6, characterized in that: Inside the rectangular frame (302) between the bimetallic strip (305) and the conductive connection piece (201), assembly strips (304) are provided. The two ends of the assembly strip (304) are bolted to the two vertical side walls inside the rectangular frame (302). On the end face of the bimetallic strip (305) close to the assembly strip (304), a mounting piece (3052) is bolted, and the mounting piece (3052) and the assembly strip (304) are bolted together.

8. A busbar groove with high heat dissipation efficiency according to claim 6, characterized in that: On both side faces of the active layer of the bimetallic strip (305), connection heads (3051) are fixed. Inside each rectangular frame (302) at the positions on both sides of the bimetallic strip (305), linkage barrel (307) are provided. At the end of the linkage barrel (307) close to the bimetallic strip (305), I-shaped rotating heads (3072) rotatably connected to the adjacent connection heads (3051) are fixed; At the end of the linkage barrel (307) far from the bimetallic strip (305), pivot sleeves (3073) are provided. On the outer wall of the pivot sleeve (3073), a limiting rod (3074) inserted into the corresponding linkage barrel (307) is fixed; Between the outer wall of the pivot sleeve (3073) and the end face of the linkage barrel (307), springs (3075) are fixed.

9. A busbar groove with high heat dissipation efficiency according to claim 8, characterized in that: At the parts where the linkage bobbin (307) is close to the bimetallic strip (305), middle sleeves (3071) are fixed. A positioning rod (308) is arranged inside the middle sleeve (3071). The upper and lower ends of the positioning rod (308) are connected to the upper and lower walls inside the rectangular frame (302) by bolts. At the end faces of the movable rods (3032) inside the rectangular frame (302), U-shaped sleeves (3033) rotatably connected to the shaft point sleeves (3073) are fixed.

10. A busbar groove with high heat dissipation efficiency according to claim 1, characterized in that: Assembly openings (3011) are penetrated and opened at the corresponding upper and lower middle positions of each rectangular frame (302) on the upper and lower surfaces of the heat dissipation frame (301). The through openings on the upper and lower surfaces of the rectangular frame (302) are in the same vertical positions as the assembly openings (3011). Assembly blocks (306) passing through the through openings and inserted into the assembly openings (3011) are bolted to the upper and lower walls inside each rectangular frame (302).

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