Bus duct with side plates for heat dissipation

Abstract

The invention discloses a bus duct with side plates for heat dissipation, and relates to the technical field of bus ducts. Comprising tank body cover plates and tank body side plates, a ventilation pipe is installed at the top end of the lower tank body cover plate, a cooling pipe is arranged at the top end of the ventilation pipe, a gear is rotationally connected to the top end of the cooling pipe, and an electric push rod is installed at the bottom of the upper tank body cover plate. According to the invention, through the arrangement of the ventilation pipes and the cooling pipes, air cooling of the bus duct side plates can be realized through air flow, the problem that heat loss is not facilitated due to the fact that a thermal boundary layer is formed around the fins when air does not circulate is avoided, and the air flow can cool the surfaces of the heat dissipation fins and also can clean dust remaining on the surfaces of the heat dissipation fins, so that the service life of the bus duct is prolonged. The airflow not only acts on the surfaces of the heat dissipation fins, but also can drive the surrounding air to flow, so that a stronger convection heat dissipation effect is formed. Compared with passive heat dissipation, the active airflow heat dissipation mode can take away heat from the bus duct more quickly, and the working temperature of the bus duct is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of bus ducts, in particular to a bus duct with side panels for heat dissipation. Background Art

[0002] With the emergence of modern engineering facilities and equipment, electricity consumption has surged across all industries, particularly in high-rise buildings and large factory workshops. Traditional cables, used as transmission conductors, are unable to meet the requirements of high-current transmission systems. The parallel use of multiple cables also creates significant inconvenience during on-site installation and connection. Furthermore, traditional conduit wiring methods are difficult to install and inconvenient for changing distribution systems. Against this backdrop, busbar ducts have emerged. They offer significant advantages in high-current transmission, and utilize new technologies and processes to reduce contact resistance and temperature rise, improving safety and reliability.

[0003] Although existing bus duct side panels can dissipate the heat generated by the lines during operation through heat dissipation fins, the heat dissipation fins rely on natural convection or forced air cooling to remove the heat. If the air does not circulate (such as in a closed space or a windless environment), a thermal boundary layer will form around the fins, which is not conducive to heat loss. In addition, if the environment is high temperature, the temperature difference between the heat dissipation fins and the environment will decrease, and the heat conduction power will decrease, which may cause the local temperature of the bus duct to be too high, thereby causing phase short circuit or discharge to the ground, causing equipment damage or even fire.

[0004] In response to the above problems, it is urgent to carry out innovative design based on the original foundation. Summary of the Invention

[0005] The purpose of the present invention is to provide a bus duct with side panel heat dissipation to solve the problem in the above-mentioned background technology that the heat dissipation fins rely on natural convection of air or forced air cooling to remove heat. If the air does not circulate (such as in a closed space or a windless environment), a thermal boundary layer will form around the fins, which is not conducive to heat loss. The technical solution of the present invention addresses the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a bus duct with side plate heat dissipation, comprising a trough cover plate and a trough side plate, a vent pipe being installed at the top end of the trough cover plate at the lower end, a cooling pipe being provided at the top end of the vent pipe, a gear being rotatably connected to the top end of the cooling pipe, an electric push rod being installed at the bottom end of the trough cover plate at the upper end, a strip plate being installed at the protruding end of the electric push rod, an air guide plate being rotatably connected in the internal cavity of the trough side plate, a cooling adjustment mechanism being provided in the internal cavity of the trough side plate, a first air guide platform being installed at the top end of the vent pipe, a second air guide platform being installed at the side end of the vent pipe, and an airflow adjustment component being installed in the vent pipe; The airflow adjustment component includes a first pressure plate that is limited and slides inside the first air guide platform, a closing block is installed on the top of the first pressure plate, and also includes a second pressure plate that is limited and slides inside the second air guide platform, an opening and closing block is installed on the right end of the second pressure plate, an adjustment plate is vertically limited and slides inside the cooling tube, the side end of the adjustment plate is rotatably connected to a round rod, an interference block is limited and slides inside the ventilation tube, and a rotating rod is installed inside the ventilation tube through a motor.

[0007] Preferably, there are two groups of the trough cover plates and the trough side plates, and the two groups of the trough cover plates and the trough side plates are combined to form a bus trough. The two groups of the trough cover plates and the trough side plates are symmetrically distributed, and a temperature sensor is installed in the cavity of the trough side plates.

[0008] Preferably, the top end of the gear is rotatably connected to the bottom end of the upper trough cover plate, the gear and the upper trough cover plate are connected by a torsion spring, the surface of the strip plate is provided with teeth, and the gear is engaged with the teeth.

[0009] Preferably, a first connecting pipe is installed at the top of the first air guide platform, and the top of the first connecting pipe is rotatably connected to the bottom of the cooling pipe. A second connecting pipe is installed at the side end of the second air guide platform, and the second connecting pipe is connected to the internal cavity of the second air guide platform.

[0010] Preferably, a sliding groove is provided at the side end of the second air guide platform, and a connecting rod is installed at the side end of the opening and closing block, and the connecting rod slides within a limited position in the groove at the side end of the second air guide platform. A groove is provided at the side end of the first air guide platform, and a top frame is installed at the side end of the closing block, and the top end of the top frame conflicts with the bottom end of the round rod.

[0011] Preferably, the rotating rod surface is provided with threads, the interference block is threadedly connected to the rotating rod surface, the upper end and side of the interference block are provided with inclined surfaces, and the bottom of the first pressure plate and the left end of the second pressure plate are in contact with the inclined surfaces of the interference block.

[0012] Preferably, the cooling adjustment mechanism includes a limiting groove opened on the side wall of the cavity of the side plate of the trough body, and a mounting platform fixed on the side wall of the cavity of the side plate of the trough body, the bottom end of the air guide plate is rotatably connected to an adjustment rod, a thin rod is vertically limited and slid inside the mounting platform, a top block is installed at the bottom of the thin rod, and an extrusion block is limited and slid inside the cavity of the side plate of the trough body.

[0013] Preferably, the limiting groove is inclined on the side wall surface of the side plate of the groove body, the adjusting rod slides within the mounting platform, a spring is sleeved on the surface of the thin rod at the top of the extrusion block, the bottom end of the spring is connected to the bottom of the mounting platform, and a slider is connected to the top of the thin rod, which slides within the groove at the bottom of the adjusting rod.

[0014] Preferably, the bottom of the top block is semicircular, the surface of the extrusion block is provided with an inclined surface, the inclined surface of the extrusion block conflicts with the bottom of the top block, the side end of the second air guide platform is provided with a groove, the side end of the opening and closing block is installed with a straight rod, the straight rod slides in the groove at the side end of the second air guide platform, and the other end of the straight rod is connected to the extrusion block.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention, through the provision of ventilation pipes and cooling pipes, can achieve gas cooling on the bus duct side plates through airflow, thus avoiding the problem of heat loss caused by the formation of a thermal boundary layer around the fins due to air stagnation. The airflow can not only cool the surface of the heat dissipation fins, but also clean the dust remaining on the surface of the heat dissipation fins. Through the provision of gears, electric push rods and strip plates, the cooling pipes can be swung, and the swing amplitude can be increased synchronously with the increase in temperature, so that heat can be kept away from the bus duct. The airflow not only acts on the surface of the heat dissipation fins, but also drives the flow of surrounding air, forming a stronger convection heat dissipation effect. Compared with passive heat dissipation, this active airflow heat dissipation method can remove heat from the bus duct faster and reduce the operating temperature of the bus duct.

[0016] The present invention can divide the air flow in the ventilation pipe into two parts by providing the first air guide platform, the first connecting pipe, the second air guide platform and the second connecting pipe. One part is used to clean and cool the surface of the side panel, and the other part is used to cool the inside of the side panel. By providing the air flow regulating component, the output pressure of the air flow can be increased when the air flow for cooling the side panel is reduced, thereby ensuring the cooling effect of the side panel. By adjusting the air flow output pressure in real time, the stability of the cooling effect of the side panel is guaranteed, providing a reliable operating environment for the bus duct, and reducing the risk of equipment damage caused by temperature fluctuations.

[0017] The present invention, through the cooling adjustment mechanism, can gradually slow down the gas loss rate inside the side panel when the external temperature gradually rises, so that the airflow stays inside the side panel for a longer time, which provides more sufficient heat exchange time between the airflow and the side panel. The airflow can absorb more heat, thereby more effectively reducing the temperature of the side panel and improving the overall heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the present invention from one perspective; Figure 2 A schematic diagram of the main structure of the present invention from another perspective; Figure 3 For the present invention Figure 2 Schematic diagram of the enlarged structure at A in the middle; Figure 4 Schematic diagram of the cross-sectional structure of the tank side plate of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure at B in the middle; Figure 6 This is a schematic diagram of the structure of the adjusting rod of the present invention; Figure 7 This is a schematic structural diagram of the second connecting pipe of the present invention; Figure 8 It is a structural schematic diagram of the cooling tube of the present invention; Figure 9 For the present invention Figure 8 Schematic diagram of the enlarged structure at C in the middle; Figure 10 This is a schematic diagram of the structure of the conflict block of the present invention; Figure 11 Schematic diagram of the cross-sectional structure of the first air guide platform and the second air guide platform of the present invention; Figure 12 It is a schematic diagram of the cross-sectional structure of a part of the cooling pipe of the present invention.

[0019] In the figure: 1. trough cover; 2. trough side plate; 3. ventilation pipe; 4. cooling pipe; 5. gear; 6. electric push rod; 7. strip plate; 8. air guide plate; 901. adjustment rod; 902. limit groove; 903. mounting platform; 904. top block; 905. extrusion block; 10. first air guide platform; 11. first connecting pipe; 12. second air guide platform; 13. second connecting pipe; 141. first pressure plate; 142. closing block; 143. second pressure plate; 144. opening and closing block; 145. adjustment plate; 146. top frame; 147. round rod; 148. interference block; 149. rotating rod. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figures 1-12 The present invention provides a technical solution: a bus duct with side plate heat dissipation, comprising a trough cover plate 1 and a trough side plate 2, a ventilation pipe 3 is installed on the top of the lower trough cover plate 1, a cooling pipe 4 is provided on the top of the ventilation pipe 3, a gear 5 is rotatably connected to the top of the cooling pipe 4, an electric push rod 6 is installed on the bottom of the upper trough cover plate 1, a strip plate 7 is installed on the protruding end of the electric push rod 6, an air guide plate 8 is rotatably connected in the internal cavity of the trough side plate 2, a cooling adjustment mechanism is provided in the internal cavity of the trough side plate 2, a first air guide platform 10 is installed on the top of the ventilation pipe 3, a second air guide platform 12 is installed on the side end of the ventilation pipe 3, and an airflow adjustment component is installed inside the ventilation pipe 3; The airflow adjustment component includes a first pressure plate 141 that is limited and slides inside the first air guide platform 10, and a closing block 142 is installed on the top of the first pressure plate 141. It also includes a second pressure plate 143 that is limited and slides inside the second air guide platform 12, and an opening and closing block 144 is installed on the right end of the second pressure plate 143. An adjustment plate 145 is vertically limited and slides inside the cooling tube 4, and the side end of the adjustment plate 145 is rotatably connected to a round rod 147. A resistance block 148 is limited and slides inside the ventilation tube 3, and a rotating rod 149 is installed inside the ventilation tube 3 through a motor. The airflow adjustment component can increase the output pressure of the airflow when the airflow for cooling the side panel is reduced, thereby ensuring the cooling effect of the side panel. By adjusting the airflow output pressure in real time, the stability of the cooling effect of the side panel is guaranteed.

[0022] As an embodiment of the present invention, the number of the trough cover plate 1 and the trough side plate 2 is two groups, and the two groups of trough cover plates 1 and trough side plates 2 are combined to form a bus duct. The two groups of trough cover plates 1 and trough side plates 2 are symmetrically distributed. A temperature sensor is installed in the cavity of the trough side plate 2. The temperature sensor can continuously monitor the temperature of the bus duct, thereby achieving a better cooling effect. As an embodiment of the present invention, the top end of the gear 5 is rotatably connected to the bottom end of the upper tank cover plate 1. A torsion spring is connected to the gear 5 and the upper tank cover plate 1. The surface of the strip plate 7 is provided with teeth, and the gear 5 meshes with the teeth. When the electric push rod 6 drives the gear 5 to rotate through the strip plate 7, it can drive the cooling tube 4 to swing, and the swing amplitude can be increased synchronously with the increase of temperature, so that heat can be kept away from the bus duct. As an embodiment of the present invention, a first connecting pipe 11 is installed at the top of the first air guide platform 10. The top of the first connecting pipe 11 is rotatably connected to the bottom of the cooling pipe 4. A second connecting pipe 13 is installed at the side end of the second air guide platform 12. The second connecting pipe 13 is connected to the internal cavity of the second air guide platform 12, which can divide the airflow in the ventilation pipe 3 into two parts. One part cleans and cools the surface of the side panel, and the other part cools the inside of the side panel. As an embodiment of the present invention, a sliding groove is provided on the side end of the second air guide platform 12, and a connecting rod is installed on the side end of the opening and closing block 144. The connecting rod slides within the groove on the side end of the second air guide platform 12. A groove is provided on the side end of the first air guide platform 10, and a top frame 146 is installed on the side end of the closing block 142. The top end of the top frame 146 abuts against the bottom end of the round rod 147. When the cooling tube 4 swings, the top frame 146 can abut against the round rod 147. As an embodiment of the present invention, the rotating rod 149 is provided with a thread, and the interference block 148 is threadedly connected to the surface of the rotating rod 149. The upper end and side surface of the interference block 148 are provided with an inclined surface. The bottom of the first pressure plate 141 and the left end of the second pressure plate 143 are in contact with the inclined surface of the interference block 148. When the interference block 148 is in contact with the first pressure plate 141 and the second pressure plate 143 at the same time, it can reduce the gap between the first connecting tube 11 and the closing block 142 and increase the gap between the opening and closing block 144 and the second connecting tube 13. The heat dissipation fins rely on natural convection of air or forced air cooling to remove heat. If the air does not circulate, a thermal boundary layer will form around the fins, which is not conducive to the problem of heat loss. The specific implementation method is as follows: when in use, first inject external air into the ventilation pipe 3. At this time, the gas enters the cooling pipe 4 through the first connecting pipe 11. The gas inside the cooling pipe 4 is ejected through the surface leakage hole to cool the heat dissipation fins on the surface of the tank side plate 2. Then, the controller drives the electric push rod 6 to operate. The extended end of the electric push rod 6 drives the strip plate 7 to move back and forth. At this time, the cooling pipe 4 can swing back and forth when the air is ejected; When the external temperature is high, the temperature sensor senses that the temperature inside the trough side plate 2 is high. At this time, the controller drives the rotating rod 149 to rotate through the motor. The rotating rod 149 drives the resistance block 148 to move inside the ventilation pipe 3, so that the resistance block 148 squeezes the first pressure plate 141 and the opening and closing block 144. Then, the controller drives the motor to stop rotating. The top of the resistance block 148 squeezes the first pressure plate 141, driving the closing block 142 to move upward, reducing the gap between the first connecting pipe 11 and the closing block 142. The right side of the resistance block 148 squeezes the second pressure plate 143, causing it to drive the opening and closing block 144 to move right. At this time, a gap is generated between the opening and closing block 144 and the second connecting pipe 13. At this time, part of the gas inside the ventilation pipe 3 enters the cooling pipe 4 through the first connecting pipe 11, and the other part enters the cavity of the trough side plate 2 through the second connecting pipe 13. At this time, the airflow in the cavity of the trough side plate 2 is ejected through the top gap to discharge the heat accumulated in the trough side plate 2; As an embodiment of the present invention, the cooling adjustment mechanism includes a limiting groove 902 provided on the side wall of the cavity of the side plate 2 of the tank body, and a mounting platform 903 fixed to the side wall of the cavity of the side plate 2 of the tank body. The bottom end of the air guide plate 8 is rotatably connected to an adjustment rod 901. A thin rod is vertically limited and slidable inside the mounting platform 903. A top block 904 is installed at the bottom of the thin rod. An extrusion block 905 is limited and slidable inside the cavity of the side plate 2 of the tank body. When the external temperature gradually rises, the gas loss speed inside the side plate is gradually slowed down, so that the airflow stays inside the side plate for a longer time. As an embodiment of the present invention, the mounting platform 903 is inclined on the side wall surface of the trough side plate 2, the adjusting rod 901 is limited and slides inside the mounting platform 903, a spring is provided on the surface of the thin rod at the top of the extrusion block 905, and the bottom end of the spring is connected to the bottom of the mounting platform 903, and a slider is connected to the top of the thin rod, and the slider is limited and slides in the groove at the bottom of the adjusting rod 901, the bottom of the top block 904 is semicircular, and an inclined surface is provided on the surface of the extrusion block 905, and the inclined surface of the extrusion block 905 conflicts with the bottom of the top block 904, a groove is provided on the side end of the second air guide platform 12, and a straight rod is installed on the side end of the opening and closing block 144, the straight rod is limited and slides in the groove at the side end of the second air guide platform 12, and the other end of the straight rod is connected to the extrusion block 905.

[0023] Working principle: When working, firstly, external gas is injected into the ventilation pipe 3. At this time, the gas enters the cooling pipe 4 through the first connecting pipe 11. The gas inside the cooling pipe 4 is ejected through the surface leakage hole to cool the heat dissipation fins on the surface of the tank side plate 2. Then, the controller drives the electric push rod 6 to operate. The extended end of the electric push rod 6 drives the strip plate 7 to move back and forth. At this time, the cooling pipe 4 can swing back and forth when the gas is ejected; When the external temperature is high, the temperature sensor senses that the temperature inside the trough side plate 2 is high. At this time, the controller drives the rotating rod 149 to rotate through the motor. The rotating rod 149 drives the resistance block 148 to move inside the ventilation pipe 3, so that the resistance block 148 squeezes the first pressure plate 141 and the opening and closing block 144. Then, the controller drives the motor to stop rotating. The top of the resistance block 148 squeezes the first pressure plate 141, driving the closing block 142 to move upward, reducing the gap between the first connecting pipe 11 and the closing block 142. The right side of the resistance block 148 squeezes the second pressure plate 143, causing it to drive the opening and closing block 144 to move right. At this time, a gap is generated between the opening and closing block 144 and the second connecting pipe 13. At this time, part of the gas inside the ventilation pipe 3 enters the cooling pipe 4 through the first connecting pipe 11, and the other part enters the cavity of the trough side plate 2 through the second connecting pipe 13. At this time, the airflow in the cavity of the trough side plate 2 is ejected through the top gap to discharge the heat accumulated in the trough side plate 2; While the first pressure plate 141 drives the closing block 142 to move upward, the closing block 142 drives the top frame 146 to rise together. At this time, the top frame 146 resists the adjustment plate 145 upward, causing it to move upward inside the cooling tube 4. Since the leakage hole on the surface of the adjustment plate 145 is misaligned with the leakage hole on the surface of the cooling tube 4, the pressure of the airflow ejected from the cooling tube 4 is increased. At the same time, the second pressure plate 143 drives the opening and closing block 144 to move right, the opening and closing block 144 drives the extrusion block 905 to move into the cavity of the side plate 2 of the tank body, and the extrusion block 905 moves to squeeze the top block 90 4 is moved upward, and the squeezing block 905 moves upward to drive the adjusting rod 901 to slide within the limiting groove 902, so that the air guide plate 8 is deflected inside the side plate 2 of the tank body. At this time, the deflected air guide plate 8 can slow down the speed of airflow loss from the side plate 2 of the tank body, thereby carrying more heat loss. At the same time, the controller drives the electric push rod 6 to extend the distance of the extended end of the electric push rod 6. The distance that the extended end of the electric push rod 6 drives the strip plate 7 to move back and forth also becomes longer, so that the amplitude of the reciprocating swing of the cooling pipe 4 is increased when the cooling pipe 4 sprays air.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bus duct with side plate heat dissipation, comprising a duct cover plate (1) and a duct side plate (2), characterized in that: The top of the trough cover plate (1) at the lower end is provided with a ventilation pipe (3), the top of the ventilation pipe (3) is provided with a cooling pipe (4), the top of the cooling pipe (4) is rotatably connected to a gear (5), the bottom of the trough cover plate (1) at the upper end is provided with an electric push rod (6), the protruding end of the electric push rod (6) is provided with a strip plate (7), the internal cavity of the trough side plate (2) is rotatably connected with an air guide plate (8), the internal cavity of the trough side plate (2) is provided with a cooling adjustment mechanism, the top of the ventilation pipe (3) is provided with a first air guide platform (10), the side end of the ventilation pipe (3) is provided with a second air guide platform (12), and the interior of the ventilation pipe (3) is provided with an air flow adjustment component; The air flow regulating component includes a first pressure plate (141) which is limited and slides inside the first air guide platform (10), a closing block (142) is installed on the top of the first pressure plate (141), and a second pressure plate (143) which is limited and slides inside the second air guide platform (12), an opening and closing block (144) is installed on the right end of the second pressure plate (143), an adjusting plate (145) is vertically limited and slides inside the cooling tube (4), and a round rod (147) is rotatably connected to the side end of the adjusting plate (145), a resistance block (148) is limited and slides inside the ventilation tube (3), and a rotating rod (149) is installed inside the ventilation tube (3) through a motor.

2. The bus duct with side plate heat dissipation according to claim 1, characterized in that: The number of the trough cover plates (1) and the trough side plates (2) is two groups, and the two groups of the trough cover plates (1) and the trough side plates (2) are combined to form a bus trough, and the two groups of the trough cover plates (1) and the trough side plates (2) are symmetrically distributed, and a temperature sensor is installed in the cavity of the trough side plates (2).

3. The bus duct with side plate heat dissipation according to claim 2, characterized in that: The top end of the gear (5) is rotatably connected to the bottom end of the upper trough cover plate (1), the gear (5) and the upper trough cover plate (1) are connected by a torsion spring, the surface of the strip plate (7) is provided with teeth, and the gear (5) is meshed with the teeth.

4. The bus duct with side plate heat dissipation according to claim 3, characterized in that: A first connecting pipe (11) is installed at the top end of the first air guide platform (10), and the top end of the first connecting pipe (11) is rotatably connected to the bottom end of the cooling pipe (4). A second connecting pipe (13) is installed at the side end of the second air guide platform (12), and the second connecting pipe (13) is connected to the internal cavity of the second air guide platform (12).

5. The bus duct with side plate heat dissipation according to claim 4, characterized in that: A sliding groove is provided at the side end of the second air guide platform (12), and a connecting rod is installed at the side end of the opening and closing block (144). The connecting rod slides within the groove at the side end of the second air guide platform (12). A groove is provided at the side end of the first air guide platform (10), and a top frame (146) is installed at the side end of the closing block (142). The top end of the top frame (146) is in conflict with the bottom end of the round rod (147).

6. The bus duct with side plate heat dissipation according to claim 1, characterized in that: The rotating rod (149) has a threaded surface, the abutment block (148) is threadedly connected to the rotating rod (149), the upper end and the side of the abutment block (148) have inclined surfaces, and the bottom of the first pressing plate (141) and the left end of the second pressing plate (143) are in contact with the inclined surface of the abutment block (148).

7. The bus duct with side plate heat dissipation according to claim 6, characterized in that: The cooling adjustment mechanism comprises a limiting groove (902) provided on the side wall of the cavity of the trough side plate (2), and a mounting platform (903) fixed on the side wall of the cavity of the trough side plate (2); the bottom end of the air guide plate (8) is rotatably connected to an adjustment rod (901); a thin rod is vertically limited and slidable inside the mounting platform (903); a top block (904) is installed at the bottom of the thin rod; and an extrusion block (905) is limited and slidable inside the cavity of the trough side plate (2).

8. The bus duct with side plate heat dissipation according to claim 7, characterized in that: The limiting groove (902) is inclined on the side wall surface of the groove body side plate (2), and a spring is sleeved on the surface of the thin rod at the top of the extrusion block (905). The bottom end of the spring is connected to the bottom of the mounting platform (903). The top end of the thin rod is connected to a slider, and the slider slides in the groove at the bottom of the adjustment rod (901) to limit the position.

9. The bus duct with side plate heat dissipation according to claim 8, characterized in that: The bottom of the top block (904) is semicircular, and the surface of the extrusion block (905) is provided with an inclined surface, and the inclined surface of the extrusion block (905) is in conflict with the bottom of the top block (904). The side end of the second air guide platform (12) is provided with a groove, and the side end of the opening and closing block (144) is installed with a straight rod, and the straight rod slides within the groove of the side end of the second air guide platform (12), and the other end of the straight rod is connected to the extrusion block (905).

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