Protective bus duct

Abstract

The utility model relates to the technical field of bus ducts, and discloses a protective bus duct, which comprises a bus duct body, a connection port and an insertion block, an installation groove is arranged on the outer side of the insertion block, a sealing ring is arranged in the installation groove, one end, far away from the bus duct body, of the connection port is provided with a first protective assembly, and the first protective assembly is provided with a second protective assembly. Heat dissipation fins are fixedly installed on the outer side of the bus duct body, and ventilation openings are formed in the outer sides of the connecting ports. According to the protective bus duct, through the design of the first protective assembly and the second protective assembly, in the transportation process, damage caused by collision between the connecting ports and the bus duct body is avoided, the bus duct body and the connecting ports are protected, rubber rings have good sealing performance, and through the design of sealing rings, when the whole bus duct is in a humid environment, the bus duct body and the connecting ports can be prevented from being damaged. And therefore, damp air is prevented from entering the bus duct body to cause electric leakage after the copper bars are affected with damp, the overall normal use is influenced, and the overall safety and sealing performance are relatively high.

Description

Technical Field

[0001] This utility model relates to the field of busbar technology, specifically a protective busbar. Background Technology

[0002] Busbar trunking is a closed metal device made of copper or aluminum busbar columns. It is mainly used to distribute large power to various components in a distributed system. It has gradually replaced traditional wires and cables in indoor low-voltage power transmission trunk line projects. It has advantages such as large current capacity, small voltage drop, and high safety factor. Protective busbar trunking is a specially designed busbar trunking designed to provide a more balanced cooling effect and ensure the stability and safety of power transmission.

[0003] Chinese Utility Model Patent Publication No. CN222654778U discloses a protective busbar trunking. This protective busbar trunking utilizes a chiller and a circulating pump. The chiller cools the condensate, and the circulating pump drives the condensate in the condenser tubes to circulate back and forth, ensuring a uniform temperature and more even cooling. Cold air enters the U-shaped trunking through the first ventilation hole, further cooling the busbar. An electric rotating rod rotates the limiting plate and fan blades simultaneously, blowing the cold air generated by the condensate through the first ventilation hole onto the busbar, thus improving heat dissipation. However, this protective busbar trunking lacks protective structures for the connection ports and the trunking body. During transportation, the connection ports and the trunking body are prone to collisions, leading to damage and affecting normal use. Furthermore, the lack of a sealing structure allows humid air to easily enter the trunking body in humid environments, causing leakage after the copper busbars become damp, affecting overall operation. Therefore, its practicality is low, making it unsuitable for widespread use. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a protective busbar trunking, which can effectively solve the problems of existing technologies that do not have a protective structure for the connection ports and the busbar trunking body. During transportation, the connection ports and the busbar trunking body are prone to collision, resulting in damage and affecting the normal use of the whole. In addition, the lack of a sealing structure means that when the whole is in a humid environment, humid air can easily enter the interior of the busbar trunking body, causing the copper busbars to become damp and leak electricity, affecting the normal use of the whole. The practicality is low and it is not convenient to promote its use.

[0005] The technical solution adopted by this utility model is: a protective busbar trunking, including a busbar trunking body, a connection port and a plug, wherein the plug has an installation groove on its outer side and a sealing ring is provided inside the installation groove, a protective component one is provided at the end of the connection port away from the busbar trunking body, heat dissipation fins are fixedly installed on the outer side of the busbar trunking body, a ventilation opening is provided on the outer side of the connection port, a protective component two is provided on the outer side of the busbar trunking body, and a copper busbar is fixedly installed inside the busbar trunking body.

[0006] Preferably, the busbar trunking body has a slot at one end near the connection port, the connection port has a groove on the side near the busbar trunking body, a threaded hole one is opened on the outer side of the connection port, a threaded hole two is opened on the outer side of the busbar trunking body, a bolt one is threadedly connected to the outer side of the connection port, the plug and the slot are plugged in, the busbar trunking body and the groove are plugged in, the bolt one extends through the threaded hole one into the interior of the threaded hole two, and the threaded hole one and the threaded hole two have the same diameter.

[0007] Using the above technical solution, the workers insert the busbar trunking body into the groove and the plug into the slot. Then, the workers insert the bolt through the threaded hole and extend it into the threaded hole, which can realize the quick installation of the connection port and facilitate maintenance after long-term use.

[0008] Preferably, the sealing ring is a rubber ring, and three identical sealing rings are provided, with the three sealing rings distributed at equal intervals.

[0009] Through the above technical solution, because the rubber ring has good sealing performance, the design of the sealing ring prevents humid air from entering the interior of the busbar trunking when the whole is in a humid environment, which would cause the copper busbar to leak electricity after getting damp, affecting the normal use of the whole. The overall safety and sealing performance are high.

[0010] Preferably, the heat dissipation fins are adapted to the vents, and multiple identical heat dissipation fins are provided, with the multiple heat dissipation fins distributed at equal intervals.

[0011] Through the above technical solution, by combining the heat dissipation fins and the ventilation openings, the heat generated by the copper busbar is transferred to the surface of the heat dissipation fins during use. The cool air comes into contact with the heat dissipation fins through the ventilation openings, carrying away the heat from the surface of the heat dissipation fins and achieving a cooling effect. The design of multiple heat dissipation fins avoids the copper busbar from working in a high-temperature environment for a long time, which is prone to damage and affects the normal use of the whole, and further improves the overall heat dissipation efficiency.

[0012] Preferably, the protective component one includes a protective cover one, a guide rod, a guide groove, a fixing block one, a sliding rod one, a movable plate, a spring one, a sliding rod two, a movable sleeve, a spring two, a fixing block two, a pull rod, a limiting block, and a limiting groove. A guide rod is fixedly installed at one end of the protective cover one near the connection port. A guide groove is formed at one end of the connection port near the protective cover one. A fixing block one is fixedly installed on the outer side of the protective cover one. A sliding rod one is fixedly installed inside the fixing block one. A movable plate is slidably connected to the outer side of the sliding rod one. A spring is fixedly installed on the first fixed block. A slide rod is fixedly installed inside the first fixed block. A movable sleeve is slidably connected to the outside of the slide rod. A spring is fixedly installed on the outside of the movable sleeve. A fixed block is fixedly installed inside the movable sleeve. A pull rod is fixedly installed on the outside of the movable sleeve. A limit block is fixedly installed at the end of the movable plate near the connection port. A limit groove is opened at the end of the connection port near the first protective cover. The guide rod and the guide groove are plugged into each other. The end of the movable plate is inclined. The limit block and the limit groove are adapted to each other.

[0013] Using the above technical solution, the worker inserts the guide rod into the guide groove. When the limiting block contacts the connection port, spring one contracts, causing the moving plate to move inward. When the guide rod is completely submerged in the guide groove, spring one rebounds, causing the limiting block to engage with the limiting groove, thus enabling the quick installation of the protective cover one. When the protective cover one needs to be disassembled, the worker pulls the lever, and the fixing block two presses against the moving plate, causing the moving plate to move inward, thereby moving the limiting block inward. Then, the limiting block is pulled out of the limiting groove, enabling the quick disassembly of the protective cover one. Through the design of the protective cover one, collisions with the connection port are avoided during transportation, preventing damage and protecting the connection port, thus demonstrating high practicality.

[0014] Preferably, the second protective component includes a second protective cover, a third protective cover, a positioning groove, a positioning block, a first through hole, a second through hole, a second bolt, a nut, and a ventilation hole. The third protective cover is provided on the side of the busbar trunking body away from the second protective cover. Positioning grooves are provided on the outer sides of both the second and third protective covers. A positioning block is fixedly installed on the outer side of the busbar trunking body. A first through hole is provided at the end of the second protective cover near the third protective cover. A second through hole is provided at the end of the third protective cover near the second protective cover. A second bolt is inserted into the end of the second protective cover near the third protective cover. A nut is threaded onto the outer side of the second bolt. Ventilation holes are provided on the outer sides of both the second and third protective covers. The positioning block and the positioning groove are inserted into each other. Both the second and third protective covers are adapted to the busbar trunking body. The second bolt passes through the first and second through holes. The first and second through holes have the same diameter.

[0015] Through the above technical solution, the staff members put the second protective cover and the third protective cover on the outside of the busbar trunking body. At the same time, the positioning blocks are inserted into the positioning grooves. Then, the staff members pass the second bolt through the first through hole and the second through hole, and then thread the nut onto the second bolt, which can achieve the rapid installation of the second protective cover and the third protective cover.

[0016] Preferably, the cross-sections of the second protective cover and the third protective cover are in a "U" - shaped structure, and the heat dissipation fins are adapted to the ventilation holes.

[0017] Through the above technical solution, through the design of the second protective cover and the third protective cover, during transportation, the busbar trunking body is prevented from colliding and being damaged, playing a protective role for the busbar trunking body. Through the design of the ventilation holes, it is convenient for cold air to contact the heat dissipation fins through the ventilation holes, further improving the overall heat dissipation performance, and the practicability is relatively high.

[0018] Compared with the prior art, the present utility model provides a protective busbar trunking, which has the following beneficial effects:

[0019] 1. For this protective busbar trunking, through the design of the first protective component and the second protective component, during transportation, the connection ports and the busbar trunking body are prevented from colliding and being damaged, playing a protective role for the busbar trunking body and the connection ports. Through the design of the sealing ring, when the whole is in a humid environment, humid air is prevented from entering the inside of the busbar trunking body, causing the copper bars to be affected with damp and leak electricity, affecting the normal use of the whole. The overall safety and sealing performance are relatively high. Through the cooperation of the busbar trunking body and the grooves, the plug blocks and the slots, and the first bolt, the first threaded hole and the second threaded hole, the rapid installation of the connection ports can be achieved, and it is convenient to repair them after long - term use;

[0020] 2. For this protective busbar trunking, through the cooperation of the heat dissipation fins and the ventilation openings, during use, the heat generated by the copper bars is transferred to the surface of the heat dissipation fins, and cold air contacts the heat dissipation fins through the ventilation openings, taking away the heat on the surface of the heat dissipation fins and playing a cooling role. Through the design of multiple heat dissipation fins, it is avoided that the copper bars work in a high - temperature environment for a long time and are easily damaged, affecting the normal use of the whole. Further improving the overall heat dissipation efficiency, through the design of the ventilation holes, it is convenient for cold air to contact the heat dissipation fins through the ventilation holes, further improving the overall heat dissipation performance, and the practicability is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three - dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is an installation structural schematic diagram of the second protective component of the present utility model;

[0023] Figure 3 is an installation structural schematic diagram of the connection port of the present utility model;

[0024] Figure 4 This is a schematic diagram of the sealing ring installation structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the installation structure of the protective component of this utility model;

[0026] Figure 6 This utility model Figure 5 Enlarged structural diagram at point A in the middle.

[0027] The components include: 1. Busbar trunking body; 2. Connection port; 3. Slot; 4. Groove; 5. Insert block; 6. Threaded hole one; 7. Threaded hole two; 8. Bolt one; 9. Mounting groove; 10. Sealing ring; 11. Protective component one; 1101. Protective cover one; 1102. Guide rod; 1103. Guide groove; 1104. Fixing block one; 1105. Slide rod one; 1106. Moving plate; 1107. Spring one; 1108. Slide rod two; 1109. Moving sleeve. ; 1110, Spring II; 1111, Fixing Block II; 1112, Pull Rod; 1113, Limiting Block; 1114, Limiting Groove; 12, Heat Dissipation Fins; 13, Ventilation Opening; 14, Protective Component II; 1401, Protective Cover II; 1402, Protective Cover III; 1403, Positioning Groove; 1404, Positioning Block; 1405, Through Hole I; 1406, Through Hole II; 1407, Bolt II; 1408, Nut; 1409, Ventilation Hole; 15, Copper Busbar. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1: As Figure 1-6 As shown, the present invention provides a protective busbar trunking, including a busbar trunking body 1, a connection port 2, and a plug block 5. The plug block 5 has an installation groove 9 on its outer side, and a sealing ring 10 is provided inside the installation groove 9. A protective component 11 is provided at the end of the connection port 2 away from the busbar trunking body 1. Heat dissipation fins 12 are fixedly installed on the outer side of the busbar trunking body 1. A ventilation opening 13 is provided on the outer side of the connection port 2. A second protective component 14 is provided on the outer side of the busbar trunking body 1. A copper busbar 15 is fixedly installed inside the busbar trunking body 1.

[0030] Specifically, the busbar trunking body 1 has a slot 3 at one end near the connection port 2, and the connection port 2 has a groove 4 on the side near the busbar trunking body 1. A threaded hole 6 is located on the outer side of the connection port 2, and a threaded hole 7 is located on the outer side of the busbar trunking body 1. A bolt 8 is threadedly connected to the outer side of the connection port 2. The plug 5 is inserted into the slot 3, and the busbar trunking body 1 is inserted into the groove 4. The bolt 8 extends through the threaded hole 6 into the threaded hole 7, and the threaded holes 6 and 7 have the same diameter. The advantage is that the operator can quickly install the connection port 2 by inserting the busbar trunking body 1 into the groove 4 and simultaneously inserting the plug 5 into the slot 3, and then extending the bolt 8 through the threaded hole 6 into the threaded hole 7. This facilitates maintenance after prolonged use.

[0031] Specifically, the sealing ring 10 is a rubber ring, and three identical sealing rings 10 are provided, with the three sealing rings 10 distributed at equal intervals. The advantage is that, due to the good sealing performance of the rubber ring, the design of the sealing ring 10 prevents humid air from entering the interior of the busbar trunking body 1 when the whole is in a humid environment, thus preventing the copper busbar 15 from becoming damp and leaking electricity, affecting the normal use of the whole, and thus ensuring high overall safety and sealing performance.

[0032] Specifically, the heat dissipation fins 12 are adapted to the ventilation openings 13, and multiple identical heat dissipation fins 12 are provided, distributed at equal intervals. The advantage is that, through the cooperation of the heat dissipation fins 12 and the ventilation openings 13, during use, the heat generated by the copper busbar 15 is transferred to the surface of the heat dissipation fins 12. Cool air comes into contact with the heat dissipation fins 12 through the ventilation openings 13, carrying away the heat from the surface of the heat dissipation fins 12, thus achieving a cooling effect. The design of multiple heat dissipation fins 12 prevents the copper busbar 15 from operating in a high-temperature environment for extended periods, which could easily lead to damage and affect the normal operation of the entire system, further improving the overall heat dissipation efficiency.

[0033] Example 2: Figure 2-6 As shown, this is an improvement on the previous embodiment.

[0034] Specifically, the protective component 11 includes a protective cover 1101, a guide rod 1102, a guide groove 1103, a fixing block 1104, a sliding rod 1105, a moving plate 1106, a spring 1107, a second sliding rod 1108, a moving sleeve 1109, a second spring 1110, a second fixing block 1111, a pull rod 1112, a limiting block 1113, and a limiting groove 1114. A guide rod 1102 is fixedly installed at one end of the protective cover 1101 near the connection port 2. A guide groove 1103 is provided at one end of the connection port 2 near the protective cover 1101. A fixing block 1104 is fixedly installed on the outer side of the protective cover 1101. A sliding rod 1105 is fixedly installed inside the fixing block 1104. A moving plate 11 is slidably connected to the outer side of the sliding rod 1105. 06. A spring 1107 is fixedly installed on the outer side of the movable plate 1106. A slide rod 1108 is fixedly installed inside the fixed block 1104. A movable sleeve 1109 is slidably connected to the outer side of the slide rod 1108. A spring 1110 is fixedly installed on the outer side of the movable sleeve 1109. A fixed block 1111 is fixedly installed inside the movable sleeve 1109. A pull rod 1112 is fixedly installed on the outer side of the movable sleeve 1109. A limit block 1113 is fixedly installed at one end of the movable plate 1106 near the connection port 2. A limit groove 1114 is opened at one end of the connection port 2 near the protective cover 1101. The guide rod 1102 and the guide groove 1103 are plugged in. The end of the movable plate 1106 is inclined. The limit block 1113 and the limit groove 1114 are adapted to each other. The advantages are that when the operator inserts the guide rod 1102 into the guide groove 1103, and the limiting block 1113 contacts the connection port 2, the spring 1107 contracts, causing the moving plate 1106 to move inward. When the guide rod 1102 is completely submerged in the guide groove 1103, the spring 1107 rebounds, causing the limiting block 1113 to engage with the limiting groove 1114, thus enabling the quick installation of the protective cover 1101. When the protective cover 1101 needs to be disassembled, the operator pulls the pull rod 1112, and the fixing block 1111 presses the moving plate 1106, causing the moving plate 1106 to move inward, thereby causing the limiting block 1113 to move inward. Then, the limiting block 1113 is pulled out of the limiting groove 1114, enabling the quick disassembly of the protective cover 1101. Through the design of the protective cover 1101, the connection port 2 is prevented from being damaged by collision during transportation, thus protecting the connection port 2 and making it highly practical.

[0035] Specifically, the second protective component 14 includes a second protective cover 1401, a third protective cover 1402, a positioning groove 1403, a positioning block 1404, a first through hole 1405, a second through hole 1406, a second bolt 1407, a nut 1408 and a ventilation hole 1409. A third protective cover 1402 is provided on a side of the busbar body 1 away from the second protective cover 1401. Positioning grooves 1403 are formed on the outer sides of the second protective cover 1401 and the third protective cover 1402. A positioning block 1404 is fixedly installed on the outer side of the busbar body 1. A first through hole 1405 is formed at one end of the second protective cover 1401 close to the third protective cover 1402. A second through hole 1406 is formed at one end of the third protective cover 1402 close to the second protective cover 1401. A second bolt 1407 is inserted and installed at one end of the second protective cover 1401 close to the third protective cover 1402. A nut 1408 is threadedly connected to the outer side of the second bolt 1407. Ventilation holes 1409 are formed on the outer sides of the second protective cover 1401 and the third protective cover 1402. The positioning block 1404 and the positioning groove 1403 are installed by insertion. Both the second protective cover 1401 and the third protective cover 1402 are adapted to the busbar body 1. The second bolt 1407 passes through the first through hole 1405 and the second through hole 1406, and the first through hole 1405 and the second through hole 1406 have the same aperture. The advantage is that the staff can put the second protective cover 1401 and the third protective cover 1402 on the outer side of the busbar body 1, and at the same time insert the positioning block 1404 into the positioning groove 1403. Then, the staff can pass the second bolt 1407 through the first through hole 1405 and the second through hole 1406, and threadedly connect the nut 1408 to the second bolt 1407, so as to achieve the rapid installation of the second protective cover 1401 and the third protective cover 1402.

[0036] Specifically, the cross sections of the second protective cover 1401 and the third protective cover 1402 are in a "J" - shaped structure, and the heat - dissipation fins 12 are adapted to the ventilation holes 1409. The advantage is that through the design of the second protective cover 1401 and the third protective cover 1402, during transportation, the busbar body 1 can be prevented from being damaged due to collision, playing a protective role for the busbar body 1. Through the design of the ventilation holes 1409, it is convenient for cold air to contact the heat - dissipation fins 12 through the ventilation holes 1409, further improving the overall heat - dissipation performance, and the practicability is relatively high.

[0037] Working principle: During installation, the operator inserts the busbar trunking body 1 into the groove 4 and the insert block 5 into the slot 3. Then, the operator inserts bolt 8 through threaded hole 6 and into threaded hole 7, enabling quick installation of connection port 2. This facilitates maintenance after prolonged use. Next, the operator inserts guide rod 1102 into guide groove 1103. When the limiting block 1113 contacts connection port 2, spring 1107 contracts, causing the moving plate 1106 to move inward. When guide rod 1102 is fully submerged in guide groove 1103, spring 1107 rebounds, causing limiting block 1113 to engage in limiting groove 1114. The system allows for the rapid installation of protective cover 1101. When it is necessary to disassemble protective cover 1101, the operator pulls the lever 1112, the fixing block 1111 presses the moving plate 1106, causing the moving plate 1106 to move inward, thereby causing the limiting block 1113 to move inward. Then, the limiting block 1113 is pulled out of the limiting groove 1114, which allows for the rapid disassembly of protective cover 1101. Subsequently, the operator places protective cover 1401 and protective cover 1402 on the outside of the busbar trunking body 1, and inserts the positioning block 1404 into the positioning groove 1403. Then, the operator inserts bolt 1407 through through hole 1405 and through hole 1406, and then... The threaded connection between the female 1408 and the second bolt 1407 allows for the quick installation of the second protective cover 1401 and the third protective cover 1402. During use, the heat generated by the copper busbar 15 is transferred to the surface of the heat dissipation fins 12 through the cooperation of the heat dissipation fins 12 and the vents 13. Cool air then comes into contact with the heat dissipation fins 12 through the vents 13, carrying away the heat and achieving a cooling effect. The design of multiple heat dissipation fins 12 prevents the copper busbar 15 from operating in a high-temperature environment for extended periods, thus avoiding damage and ensuring normal operation. This further improves the overall heat dissipation efficiency. The cooperation between the vent 1409 and the heat dissipation fins 12 facilitates the passage of cool air through the vent 1409. 409 contacts the heat dissipation fins 12, further improving the overall heat dissipation performance and making it highly practical. Due to the good sealing performance of the rubber ring, the design of the sealing ring 10 prevents humid air from entering the interior of the busbar trunking body 1 when the whole is in a humid environment, which could cause the copper busbar 15 to leak electricity after getting damp, affecting the normal use of the whole. The overall safety and sealing performance are high. Through the design of the second protective component 14, the busbar trunking body 1 is protected from collisions during transportation, thus preventing damage. Through the design of the first protective component 11, the connection port 2 is protected from collisions during transportation, thus preventing damage. It is highly practical.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A protective busbar trunking, comprising a busbar trunking body (1), a connection port (2), and a plug (5), characterized in that: The plug (5) has an installation groove (9) on its outer side, and a sealing ring (10) is provided inside the installation groove (9). A protective component one (11) is provided at the end of the connection port (2) away from the busbar trunking body (1). Heat dissipation fins (12) are fixedly installed on the outer side of the busbar trunking body (1). A ventilation opening (13) is provided on the outer side of the connection port (2). A protective component two (14) is provided on the outer side of the busbar trunking body (1). A copper busbar (15) is fixedly installed inside the busbar trunking body (1). The busbar trunking body (1) has a slot (3) at one end near the connection port (2), the connection port (2) has a groove (4) on the side near the busbar trunking body (1), the connection port (2) has a threaded hole (6) on the outside, the busbar trunking body (1) has a threaded hole (7) on the outside, the connection port (2) has a bolt (8) threadedly connected to the outside, the plug (5) and the slot (3) are plugged in, the busbar trunking body (1) and the groove (4) are plugged in, the bolt (8) extends through the threaded hole (6) to the inside of the threaded hole (7), the threaded hole (6) and the threaded hole (7) have the same diameter; The first protective component (11) includes a first protective cover (1101), a guide rod (1102), a guide groove (1103), a first fixing block (1104), a first sliding rod (1105), a moving plate (1106), a first spring (1107), a second sliding rod (1108), a moving sleeve (1109), a second spring (1110), a second fixing block (1111), a pull rod (1112), a limiting block (1113), and a limiting groove (1114). A guide rod (1102) is fixedly installed at one end of the protective cover (1101) near the connection port (2). A guide groove (1103) is opened at one end of the connection port (2) near the protective cover (1101). A fixing block (1104) is fixedly installed on the outside of the protective cover (1101). A sliding rod (1105) is fixedly installed inside the fixing block (1104). A moving plate (1106) is slidably connected to the outside of the sliding rod (1105). A spring (1107) is fixedly installed on the outer side of the movable plate (1106). A slide rod (1108) is fixedly installed inside the fixed block (1104). A movable sleeve (1109) is slidably connected to the outer side of the slide rod (1108). A spring (1110) is fixedly installed on the outer side of the movable sleeve (1109). A fixed block (1111) is fixedly installed inside the movable sleeve (1109). A pull rod (1112) is fixedly installed. A limit block (1113) is fixedly installed at one end of the movable plate (1106) near the connection port (2). A limit groove (1114) is opened at one end of the connection port (2) near the protective cover (1101). The guide rod (1102) and the guide groove (1103) are plugged in. The end of the movable plate (1106) is inclined. The limit block (1113) and the limit groove (1114) are adapted to each other. The second protection component (14) includes a second protective cover (1401), a third protective cover (1402), a positioning groove (1403), a positioning block (1404), a first through hole (1405), a second through hole (1406), a second bolt (1407), a nut (1408) and a ventilation hole (1409). A third protective cover (1402) is provided on a side of the busbar body (1) away from the second protective cover (1401). Positioning grooves (1403) are formed on the outer sides of the second protective cover (1401) and the third protective cover (1402). A positioning block (1404) is fixedly installed on the outer side of the busbar body (1). A first through hole (1405) is formed at one end of the second protective cover (1401) close to the third protective cover (1402). A second through hole (1406) is formed at one end of the third protective cover (1402) close to the second protective cover (1401). A second bolt (1407) is inserted and installed at one end of the second protective cover (1401) close to the third protective cover (1402). A nut (1408) is threadedly connected to the outer side of the second bolt (1407). Ventilation holes (1409) are formed on the outer sides of the second protective cover (1401) and the third protective cover (1402). The positioning block (1404) and the positioning groove (1403) are inserted and installed. The second protective cover (1401) and the third protective cover (1402) are both adapted to the busbar body (1). The second bolt (1407) penetrates through the first through hole (1405) and the second through hole (1406), and the first through hole (1405) and the second through hole (1406) have the same aperture.

2. The protective busbar trunking according to claim 1, characterized in that: The sealing ring (10) is a rubber ring, and there are three identical sealing rings (10), and the three sealing rings (10) are evenly distributed at equal intervals.

3. The protective busbar trunking according to claim 1, characterized in that: The heat dissipation fins (12) are adapted to the ventilation openings (13), and there are multiple identical heat dissipation fins (12), and the multiple heat dissipation fins (12) are evenly distributed at equal intervals.

4. The protective busbar trunking according to claim 1, characterized in that: The cross sections of the second protective cover (1401) and the third protective cover (1402) are in a "U" - shaped structure, and the heat dissipation fins (12) are adapted to the ventilation holes (1409).

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