High-stability small transformer for escalator and use method of high-stability small transformer

Abstract

The invention discloses a high-stability small transformer for an escalator and a use method of the high-stability small transformer, and relates to the technical field of small transformers, the high-stability small transformer comprises a protection box, mounting holes and a bottom plate, and the outer wall of the protection box is provided with a plurality of mounting holes. Through the arrangement of the protection box and the mounting hole, the transformer connector connected with the inner wall of the mounting hole through a bolt is in close fit with the transformer connector, the sealing air cushion in the groove is movably connected with the outer wall of the transformer connector, and air is supplied by the air pump through a pipeline, so that the sealing performance and stability of the connector are ensured; through arrangement of a moving groove, a first limiting groove, a first pressure spring, a first limiting block and a moving block which are arranged on the outer wall of the protection box, the transparent protection cover can be flexibly installed and stably fixed, the transformer connector can be conveniently limited and protected, and the situation that the transformer connector is damaged due to vibration or collision in the using process is avoided. And therefore, the reliability and the safety of the small-sized transformer for the escalator are improved.

Description

Technical Field

[0001] The invention relates to the technical field of small transformers, and in particular to a small transformer for an escalator with high stability and a use method thereof. Background Art

[0002] An escalator is a type of transportation equipment that is usually used to connect different floors of a building so that people can easily move between floors. Small transformers play a vital role in the power system of escalators. Escalators are usually driven by higher voltages, and small transformers are responsible for converting this high voltage into a low voltage suitable for the internal circuits and components of the escalator. Therefore, it is necessary to ensure the stable operation of small transformers.

[0003] The defects of existing small transformers for escalators are: 1. Patent document US20110164441A1 discloses a multi-transformer transformer. However, the transformer in the above document has a technical problem that the transformer interface and the transformer connector fall off due to vibration or collision during use, resulting in unstable operation of the transformer. 2. Patent document US6075431A discloses a transformer, but the transformer in the above document has technical problems of low stability and heat dissipation efficiency during use; 3. Patent document US09576720B2 discloses a transformer, but the transformer in the above document has a technical problem that the transformer status cannot be monitored in real time and remotely operated during use, resulting in low flexibility of use; 4. Patent document CN218004553U discloses a small transformer with an overload protection function for an escalator. However, the transformer in the above document has a technical problem that it cannot automatically extinguish the fire when it encounters a fire. Summary of the invention

[0004] The object of the present invention is to provide a small transformer for escalators with high stability and a method of using the same, so as to solve the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a small transformer for an escalator with high stability, comprising a protection box, a mounting hole and a bottom plate, wherein the outer wall of the protection box is provided with a plurality of mounting holes, and the bottom of the protection box is fixedly connected with the bottom plate; The inner wall of the mounting hole is connected with a transformer interface by bolts, the inside of the transformer interface is connected with a transformer joint, one end of the inner wall of the transformer interface is provided with a groove, the inner wall of the groove is fixedly connected with a sealing air cushion, and the outer wall of the sealing air cushion is movably connected to the outer wall of the transformer joint, one end of the outer wall of the transformer interface is provided with an air pump, and the output end of the air pump is connected to the input end of the sealing air cushion through a pipeline penetrating the outer wall of the transformer interface; The outer wall of the protective box is provided with a plurality of movable grooves, and both ends of one side of the inner wall of the movable groove are provided with a first limiting groove, the interior of the first limiting groove is movably connected with a first compression spring, and one end of the first compression spring is movably connected with a first limiting block, and the inner wall of the movable groove is movably connected with a movable block, and both ends of one side of the movable block are provided with limiting holes, and a transparent protective cover is installed at one end of the movable block, and a semicircular groove is provided on the transparent protective cover.

[0006] Preferably, shock-absorbing multi-stage cylinders are arranged at the four bottom corners of the bottom plate, shock-absorbing springs are installed on the outer walls of the shock-absorbing multi-stage cylinders, and the bottom of the shock-absorbing multi-stage cylinders is fixedly connected to a base.

[0007] Preferably, a first connecting air hole is provided on both sides of the bottom of the base plate, a second connecting air hole is provided on both sides of the bottom of the protective box, the bottom of the second connecting air hole is provided at the top of the first connecting air hole, an air inlet channel tube is provided on both sides of the bottom of the base plate, and the top of the air inlet channel tube is provided at the bottom of the first connecting air hole, a fan is provided on the inner wall of the air inlet channel tube, and a first dust-proof metal mesh is provided at the bottom of the inner wall of the air inlet channel tube.

[0008] Preferably, the inner wall of the protective box is provided with a guide chamber, and the bottom of the guide chamber is provided at the top of the second connecting air hole, the outer wall of the guide chamber is provided with a plurality of guide grooves, the inner walls of the guide grooves are provided with a second dust-proof metal mesh, the top of the protective box is provided with an exhaust hole, the inner wall of the exhaust hole is provided with a third dust-proof metal mesh, the four corners of the top of the protective box are fixedly connected with support rods, and the top of the support rods is fixedly connected with a protective plate.

[0009] Preferably, the inner wall of the protective box is provided with a fixing platform, the top of the fixing platform is connected to the transformer body by bolts, the outer wall of the transformer body is provided with a plurality of cooling fins, cables are fixedly connected to both sides of the outer wall of the transformer body, and the other end of the cable is fixedly connected to the other end of the transformer interface, and the transformer body is connected to the transformer interface through wires via the cable.

[0010] Preferably, a smoke detection sensor component is provided on the top of the inner wall of the protection box, and a control console is embedded on one side of the outer wall of the protection box, and the console is respectively connected to the smoke detection sensor component and the transformer body through wires, the console includes a touch display component and a wireless transmission component, and the protection box body includes a first sealing component and a second sealing component, the first sealing component is used to seal a plurality of guide grooves, and the second sealing component is used to seal the exhaust hole.

[0011] Preferably, the first sealing assembly and the second sealing assembly both include sliding rails, and the sliding rails are respectively arranged on the outer wall of the guide chamber and the inner top wall of the protection box, the inner wall of the sliding rail is movably connected with a slide plate, the outer wall of the sliding rail is opened and closed with a notch, and the inside of the notch is movably connected with a gear, the outer wall of the gear is meshingly connected with a rack, and the rack is arranged on the outer wall of the slide plate, one end of the gear is equipped with a driving motor component, and the driving motor component is respectively installed on the outer wall of the guide chamber and the inner top wall of the protection box, a plurality of second limiting grooves are arranged on one side of the slide plate, the inside of the second limiting groove is movably connected with a second compression spring, one end of the second compression spring is movably connected with a second limiting block, and the front end of the outer wall of the second limiting block is movably connected to the inner wall of the second limiting groove, and the other end of the second limiting block is fixedly connected with a sealing plate.

[0012] Preferably, a spray pipe is laid on the outer side of the bottom wall of the protective box, and the bottom of the spray pipe is connected to a carbon dioxide fire extinguisher through a pipe that penetrates the back of the protective box. The carbon dioxide fire extinguisher is set at the bottom of the base plate by bolts, and the carbon dioxide fire extinguisher is connected to the console by wires.

[0013] Preferably, the working steps of the small transformer for escalator with high stability are as follows: S1. Use bolts to fix the transformer interface to the protection box through the mounting holes on the outer wall of the protection box, and insert the transformer connector into the transformer interface. At this time, the outer wall of the transformer connector will contact the sealing air cushion in the groove at one end of the inner wall of the transformer interface. Start the air pump and inflate the sealing air cushion through the pipeline to make it fit tightly against the outer wall of the transformer connector to ensure the sealing of the interface. S2. Adjust the position of the transparent protective cover so that the moving block is positioned in the moving groove. During the movement of the moving block, the limiting hole on one side thereof interacts with the first compression spring and the first limiting block in the first limiting groove to ensure the stability and position accuracy of the moving block when moving and stopping; S3. The smoke detection sensor component on the top of the inner wall of the protection box continuously monitors the smoke concentration around the transformer. When the smoke concentration is detected to be excessive, the smoke detection sensor component sends a signal to the control console. The control console includes a touch display component and a wireless transmission component, which can receive the signal of the smoke detection sensor component, display the alarm information through the touch display component, and send the alarm information to relevant personnel through the wireless transmission component; S4. The gear is driven to rotate by the driving motor component, and the gear is meshed with the rack to drive the slide plate to move in the slide rail. During the movement of the slide plate, the second compression spring and the second limiting block in the second limiting groove on the slide plate will interact with each other to ensure the stable movement of the slide plate. When the slide plate moves to a suitable position, sealing is achieved through the sealing plate to form an enclosed space to prevent continuous entry of oxygen and improve the fire extinguishing efficiency.

[0014] Preferably, the step S2 further includes the following steps: S21. The transparent protective cover is connected to the protective box through a moving block, which can protect the transformer from interference from the external environment. At the same time, the design of the semicircular groove is convenient for observation and maintenance.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a protective box and a mounting hole, and the transformer interface connected by bolts on the inner wall of the mounting hole is closely matched with the transformer joint, the sealing air cushion in the groove is movably connected with the outer wall of the transformer joint, and the air pump supplies air through the pipeline, thereby ensuring the sealing and stability of the interface. In addition, the movable groove, the first limiting groove, the first compression spring, the first limiting block and the movable block provided on the outer wall of the protective box enable the transparent protective cover to be flexibly installed and firmly fixed, which is conducive to limiting and protecting the transformer joint, avoiding the transformer interface and the transformer joint from falling off due to vibration or collision during use, thereby achieving the improvement of the reliability and safety of the small transformer for escalators; 2. The present invention effectively absorbs and disperses vibrations during operation through the shock-absorbing multi-stage cylinders and shock-absorbing springs configured at the four corners of the bottom of the bottom plate, ensuring the smooth operation of the transformer. The first connecting air hole, the second connecting air hole and the air inlet channel pipe are arranged to cooperate with the operation of the fan to achieve effective heat dissipation inside the transformer. At the same time, the first dust-proof metal mesh in the air inlet channel pipe effectively blocks dust from entering. The guide chamber and the guide slot are arranged to optimize the airflow path and improve the heat dissipation efficiency. The exhaust hole at the top is equipped with a third dust-proof metal mesh to ensure that external impurities are blocked while discharging hot air. In addition, the support rod and the protective plate structure at the top of the protective box provide an additional protective layer for the transformer, enhancing the overall protection capability, thereby achieving the effect of improving operation stability, heat dissipation efficiency and protection level. 3. The present invention provides a fixed platform in the protective box to stably support the transformer body. The heat dissipation fins on the outer wall of the transformer body effectively improve the heat dissipation efficiency. The transformer body is connected to the transformer interface wire through a cable to ensure the stable transmission of electric energy. At the same time, the smoke detection sensor component installed on the top of the protective box is connected to the console. The console not only has a touch display function, but also integrates a wireless transmission component, which is convenient for real-time monitoring of the transformer status and remote operation, thereby achieving the effect of improving the flexibility of use; 4. The present invention connects the smoke detection sensor component provided in the protective box to the control console to achieve real-time monitoring and remote management through the touch display and wireless transmission components. The first sealing component and the second sealing component utilize the setting of the slide rail, the slide plate, the gear, the rack and the driving motor components to achieve flexible sealing and opening of the guide groove and the exhaust hole. At the same time, the second limiting groove, the second compression spring and the second limiting block are used in coordination to ensure the tight fit and stability of the sealing plate. In addition, the spray pipe laid on the bottom wall of the protective box is connected to the carbon dioxide fire extinguisher. When smoke is detected, the first sealing component and the second sealing component complete the sealing effect to prevent external oxygen from entering the protective box. The carbon dioxide fire extinguisher is started in conjunction with the control console to release carbon dioxide through the spray pipe for rapid fire extinguishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 4 For the present invention Figure 2 Schematic diagram of the structure at B in the middle; Figure 5 It is a schematic diagram of the guide chamber structure of the present invention; Figure 6 It is a schematic diagram of the spray pipe structure of the present invention; Figure 7 It is a structural schematic diagram of a carbon dioxide fire extinguisher of the present invention; Figure 8 It is a schematic diagram of the structure of the mobile slot of the present invention; Fig. 9 It is a schematic diagram of the control console process of the present invention; Fig.10 It is a schematic diagram of the workflow of the present invention.

[0017] In the figure: 1, protective box; 2, mounting hole; 3, bottom plate; 4, transformer interface; 5, transformer connector; 6, groove; 7, sealing air cushion; 8, air pump; 9, moving groove; 10, first limiting groove; 11, first compression spring; 12, first limiting block; 13, moving block; 14, limiting hole; 15, transparent protective cover; 16, semicircular groove; 17, shock-absorbing multi-stage cylinder; 18, shock-absorbing spring; 19, base; 20, first connecting air hole; 21, second connecting air hole; 22, air inlet channel pipe; 23, fan; 24, guide chamber; 25, guide through groove; 26, second dust-proof metal mesh; 27 , exhaust hole; 28, third dustproof metal mesh; 29, fixing table; 30, transformer body; 31, heat dissipation fins; 32, cables; 33, smoke detection sensor component; 34, control console; 35, touch display component; 36, wireless transmission component; 37, slide rail; 38, slide plate; 39, notch; 40, gear; 41, rack; 42, second compression spring; 43, second limiting block; 44, sealing plate; 45, spray tube; 46, carbon dioxide fire extinguisher; 47, support rod; 48, protective plate; 49, first dustproof metal mesh; 50, drive motor component; 51, second limiting groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 8 , an embodiment provided by the present invention: a small transformer for an escalator with high stability, comprising a protection box 1, a mounting hole 2 and a bottom plate 3, the outer wall of the protection box 1 is provided with a plurality of mounting holes 2, and the bottom of the protection box 1 is fixedly connected with the bottom plate 3; The inner wall of the mounting hole 2 is connected with a transformer interface 4 by bolts, the inside of the transformer interface 4 is connected with a transformer connector 5, one end of the inner wall of the transformer interface 4 is provided with a groove 6, the inner wall of the groove 6 is fixedly connected with a sealing air cushion 7, and the outer wall of the sealing air cushion 7 is movably connected to the outer wall of the transformer connector 5, one end of the outer wall of the transformer interface 4 is provided with an air pump 8, and the output end of the air pump 8 is connected to the input end of the sealing air cushion 7 through a pipeline penetrating the outer wall of the transformer interface 4; The outer wall of the protective box 1 is provided with a plurality of movable grooves 9, and both ends of one side of the inner wall of the movable groove 9 are provided with first limiting grooves 10, the first limiting groove 10 is movably connected with a first compression spring 11 inside, and one end of the first compression spring 11 is movably connected with a first limiting block 12, and the inner wall of the movable groove 9 is movably connected with a movable block 13, and both ends of one side of the movable block 13 are provided with limiting holes 14, and a transparent protective cover 15 is installed at one end of the movable block 13, and a semicircular groove 16 is provided on the transparent protective cover 15; Furthermore, through the arrangement of the protective box 1 and the mounting hole 2, the transformer interface 4 connected by bolts on the inner wall of the mounting hole 2 is tightly matched with the transformer connector 5, the sealing air cushion 7 in the groove 6 is movably connected to the outer wall of the transformer connector 5, and the air pump 8 supplies air through the pipeline, thereby ensuring the sealing and stability of the interface. In addition, the movable groove 9, the first limiting groove 10, the first compression spring 11, the first limiting block 12 and the movable block 13 arranged on the outer wall of the protective box 1 enable the transparent protective cover 15 to be flexibly installed and firmly fixed, which is beneficial to limit and protect the transformer connector 5, and avoid the transformer interface 4 and the transformer connector 5 from falling off due to vibration or collision during use, thereby improving the reliability and safety of small transformers for escalators.

[0022] Example 2: Please refer to Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 , an embodiment provided by the present invention: a shock-absorbing multi-stage cylinder 17 is disposed at each of the four corners of the bottom of the bottom plate 3, a shock-absorbing spring 18 is installed on the outer wall of the shock-absorbing multi-stage cylinder 17, and a base 19 is fixedly connected to the bottom of the shock-absorbing multi-stage cylinder 17; First connecting air holes 20 are arranged on both sides of the bottom of the bottom plate 3, second connecting air holes 21 are arranged on both sides of the bottom of the protective box 1, the bottom of the second connecting air hole 21 is arranged at the top of the first connecting air hole 20, air inlet channel tubes 22 are arranged on both sides of the bottom of the bottom plate 3, and the top of the air inlet channel tube 22 is arranged at the bottom of the first connecting air hole 20, a fan 23 is arranged on the inner wall of the air inlet channel tube 22, and a first dustproof metal mesh 49 is arranged on the bottom of the inner wall of the air inlet channel tube 22; The inner wall of the protection box 1 is provided with a guide chamber 24, and the bottom of the guide chamber 24 is provided at the top of the second connecting air hole 21, the outer wall of the guide chamber 24 is provided with a plurality of guide slots 25, the inner walls of the guide slots 25 are provided with a second dustproof metal mesh 26, the top of the protection box 1 is provided with an exhaust hole 27, the inner wall of the exhaust hole 27 is provided with a third dustproof metal mesh 28, the four corners of the top of the protection box 1 are fixedly connected with support rods 47, and the top of the support rods 47 is fixedly connected with a protective plate 48; Furthermore, the shock-absorbing multi-stage cylinder 17 and the shock-absorbing spring 18 arranged at the four corners of the bottom of the base plate 3 can effectively absorb and disperse the vibration during operation to ensure the smooth operation of the transformer. The first connecting air hole 20, the second connecting air hole 21 and the air inlet channel pipe 22 are arranged to cooperate with the operation of the fan 23 to achieve effective heat dissipation inside the transformer. At the same time, the first dust-proof metal mesh 49 in the air inlet channel pipe 22 effectively blocks the entry of dust. The guide chamber 24 and the guide groove 25 are arranged to optimize the airflow path and improve the heat dissipation efficiency. The exhaust hole 27 at the top is equipped with a third dust-proof metal mesh 28 to ensure the discharge of hot air while blocking external impurities. In addition, the support rod 47 and the protective plate 48 structure at the top of the protective box 1 provide an additional protective layer for the transformer, enhance the overall protection capability, and thus achieve the effect of improving operating stability, heat dissipation efficiency and protection level.

[0023] Example 3: Please refer to Figure 1 , Figure 2 and Fig. 9 , an embodiment provided by the present invention: the inner wall of the protection box 1 is provided with a fixing platform 29, the top of the fixing platform 29 is connected with a transformer body 30 by bolts, the outer wall of the transformer body 30 is provided with a plurality of heat dissipation fins 31, the outer walls of the transformer body 30 are fixedly connected with cables 32 on both sides, and the other end of the cable 32 is fixedly connected to the other end of the transformer interface 4, and the transformer body 30 is connected to the transformer interface 4 through the cable 32 through an electric wire; A smoke detection sensor component 33 is provided on the top of the inner wall of the protection box 1, and a control console 34 is embedded on one side of the outer wall of the protection box 1, and the control console 34 is respectively connected to the smoke detection sensor component 33 and the transformer body 30 through wires, and the control console 34 includes a touch display component 35 and a wireless transmission component 36. The protection box 1 includes a first sealing component and a second sealing component, the first sealing component is used to seal a plurality of guide grooves 25, and the second sealing component is used to seal the exhaust hole 27; Furthermore, by setting a fixed platform 29 in the protective box 1 to stably support the transformer body 30, the heat dissipation fins 31 on the outer wall of the transformer body 30 effectively improve the heat dissipation efficiency. The transformer body 30 is connected to the transformer interface 4 through the cable 32, ensuring the stable transmission of electric energy. At the same time, the smoke detection sensor component 33 installed on the top of the protective box 1 is connected to the console 34. The console 34 not only has a touch display function, but also integrates a wireless transmission component 36, which is convenient for real-time monitoring of the transformer status and remote operation, thereby achieving the effect of improving the flexibility of use.

[0024] Example 4: Please refer to Figure 1 , Figure 2 , Figure 4 , Figure 5 and Fig. 9 , an embodiment provided by the present invention: a smoke detection sensor component 33 is arranged on the top of the inner wall of the protection box 1, a console 34 is embedded on one side of the outer wall of the protection box body 1, and the console 34 is respectively connected to the smoke detection sensor component 33 and the transformer body 30 through wires, the console 34 includes a touch display component 35 and a wireless transmission component 36, the protection box body 1 includes a first sealing component and a second sealing component, the first sealing component is used to seal a plurality of guide grooves 25, and the second sealing component is used to seal the exhaust hole 27; The first sealing assembly and the second sealing assembly both include a slide rail 37, and the slide rail 37 is respectively arranged on the outer wall of the guide chamber 24 and the inner top wall of the protection box 1, the inner wall of the slide rail 37 is movably connected with a slide plate 38, the outer wall of the slide rail 37 is opened and closed with a notch 39, and the inside of the notch 39 is movably connected with a gear 40, the outer wall of the gear 40 is meshed with a rack 41, and the rack 41 is arranged on the outer wall of the slide plate 38, one end of the gear 40 is installed with a driving motor component 50, and the driving motor component 50 is respectively installed on the outer wall of the guide chamber 24 and the inner top wall of the protection box 1, a plurality of second limiting grooves 51 are arranged on one side of the slide plate 38, the inside of the second limiting groove 51 is movably connected with a second compression spring 42, one end of the second compression spring 42 is movably connected with a second limiting block 43, and the front end of the outer wall of the second limiting block 43 is movably connected to the inner wall of the second limiting groove 51, and the other end of the second limiting block 43 is fixedly connected with a sealing plate 44; A spray pipe 45 is laid on the outer side of the inner bottom wall of the protection box 1, and the bottom of the spray pipe 45 is connected to a carbon dioxide fire extinguisher 46 through a pipeline penetrating the back of the protection box 1, and the carbon dioxide fire extinguisher 46 is set on the bottom of the bottom plate 3 by bolts, and the carbon dioxide fire extinguisher 46 is connected to the console 34 by wires; Furthermore, by connecting the smoke detection sensor component 33 provided in the protective box 1 to the control console 34, real-time monitoring is achieved and remote management can be performed through the touch display and wireless transmission component 36. The first sealing component and the second sealing component utilize the setting of the slide rail 37, the slide plate 38, the gear 40, the rack 41 and the driving motor component 50 to achieve flexible sealing and opening of the guide groove 25 and the exhaust hole 27. At the same time, the second limiting groove 51, the second compression spring 42 and the second limiting block 43 are used in coordination to ensure the tight fit and stability of the sealing plate 44. In addition, the spray pipe 45 laid on the bottom wall of the protective box 1 is connected to the carbon dioxide fire extinguisher 46. When smoke is detected, the sealing effect is completed by the first sealing component and the second sealing component to prevent external oxygen from entering the protective box 1. The carbon dioxide fire extinguisher 46 is started in coordination with the control console 34, and carbon dioxide is released through the spray pipe 45 for rapid fire extinguishing.

[0025] Example 5: Please refer to Fig.10 , an embodiment provided by the present invention: the working steps of the small transformer for escalator with high stability are as follows: S1. Use bolts to fix the transformer interface 4 to the protection box 1 through the mounting hole 2 on the outer wall of the protection box 1, and insert the transformer connector 5 into the transformer interface 4. At this time, the outer wall of the transformer connector 5 will contact the sealing air cushion 7 in the groove 6 at one end of the inner wall of the transformer interface 4. Start the air pump 8 and inflate the sealing air cushion 7 through the pipeline to make it fit tightly against the outer wall of the transformer connector 5 to ensure the sealing of the interface; S2. Adjust the position of the transparent protective cover 15 so that the moving block 13 is in the moving groove 9. During the movement of the moving block 13, the limiting hole 14 on one side thereof will interact with the first compression spring 11 and the first limiting block 12 in the first limiting groove 10 to ensure the stability and position accuracy of the moving block 13 when moving and stopping; S3, the transformer body 30 inhales cold air through the air inlet channel pipe 22 and the fan 23 at the bottom. After being filtered by the first dustproof metal mesh 49, the cold air passes through the guide chamber 24 and the guide slot 25 to dissipate heat from the transformer body 30, and the generated hot air is discharged through the exhaust hole 27; S4, the smoke detection sensor component 33 on the top of the inner wall of the protection box 1 continuously monitors the smoke concentration around the transformer. When the smoke concentration is detected to be excessive, the smoke detection sensor component 33 sends a signal to the console 34. The console 34 includes a touch display component 35 and a wireless transmission component 36, which can receive the signal of the smoke detection sensor component 33, display the alarm information through the touch display component 35, and send the alarm information to relevant personnel through the wireless transmission component 36; S5. The gear 40 is driven to rotate by the driving motor component 50, and the gear 40 is meshed with the rack 41, driving the slide plate 38 to move in the slide rail 37. During the movement of the slide plate 38, the second compression spring 42 and the second limiting block 43 in the second limiting groove 51 thereon will interact with each other to ensure the stable movement of the slide plate 38. When the slide plate 38 moves to a suitable position, the sealing plate 44 thereon will fit tightly with the opening of the guide groove 25 or the exhaust hole 27 to achieve sealing and form a closed space to prevent external oxygen from entering the protective box 1. The carbon dioxide fire extinguisher 46 is started in conjunction with the console 34, and carbon dioxide is released through the spray tube 45 to quickly extinguish the fire. S2 also includes the following steps: S21, the transparent protective cover 15 is connected to the protective box 1 through the moving block 13, which can protect the transformer from interference from the external environment. At the same time, the design of the semicircular groove 16 is convenient for observation and maintenance.

[0026] Working principle: through the setting of the protection box 1 and the mounting hole 2, the transformer interface 4 connected by bolts on the inner wall of the mounting hole 2 is tightly matched with the transformer connector 5, the sealing air cushion 7 in the groove 6 is movably connected with the outer wall of the transformer connector 5, and the air pump 8 supplies air through the pipeline, thereby ensuring the sealing and stability of the interface. In addition, the movable groove 9, the first limiting groove 10, the first compression spring 11, the first limiting block 12 and the movable block 13 arranged on the outer wall of the protection box 1 enable the transparent protective cover 15 to be flexibly installed and firmly fixed, which is beneficial to limit and protect the transformer connector 5, and avoid the transformer interface 4 and the transformer connector 5 from falling off due to vibration or collision during use, thereby improving the reliability of small transformers for escalators. In order to improve the safety and security of the transformer, the shock-absorbing multi-stage cylinder 17 and the shock-absorbing spring 18 arranged at the four corners of the bottom of the bottom plate 3 can effectively absorb and disperse the vibration during operation, ensuring the smooth operation of the transformer. The first connecting air hole 20, the second connecting air hole 21 and the air inlet channel pipe 22 are arranged to cooperate with the operation of the fan 23 to achieve effective heat dissipation inside the transformer. At the same time, the first dust-proof metal mesh 49 in the air inlet channel pipe 22 effectively blocks the entry of dust. The guide chamber 24 and the guide groove 25 are arranged to optimize the air flow path and improve the heat dissipation efficiency. The exhaust hole 27 at the top is equipped with a third dust-proof metal mesh 28 to ensure that external impurities are blocked while discharging hot air. In addition, the support rod 47 and the protective plate 48 structure at the top of the protective box 1 provide additional protection for the transformer. The protective layer enhances the overall protection capability, thereby achieving the effect of improving operational stability, heat dissipation efficiency and protection level. By setting a fixed platform 29 in the protective box 1, the transformer body 30 is firmly supported. The heat dissipation fins 31 on the outer wall of the transformer body 30 effectively improve the heat dissipation efficiency. The transformer body 30 is connected to the transformer interface 4 through a cable 32 to ensure the stable transmission of electric energy. At the same time, the smoke detection sensor component 33 installed on the top of the protective box 1 is connected to the console 34. The console 34 not only has a touch display function, but also integrates a wireless transmission component 36, which is convenient for real-time monitoring of the transformer status and remote operation, thereby achieving the effect of improving the flexibility of use. The smoke detection sensor component 33 and the console 34 set in the protective box 1 The protective box 1 is connected to realize real-time monitoring and can be remotely managed through the touch display and wireless transmission component 36. The first sealing component and the second sealing component utilize the setting of the slide rail 37, the slide plate 38, the gear 40, the rack 41 and the driving motor component 50 to realize the flexible sealing and opening of the guide groove 25 and the exhaust hole 27. At the same time, the second limiting groove 51, the second compression spring 42 and the second limiting block 43 are used in coordination to ensure the tight fit and stability of the sealing plate 44. In addition, the spray pipe 45 laid on the bottom wall of the protective box 1 is connected to the carbon dioxide fire extinguisher 46. When smoke is detected, the first sealing component and the second sealing component complete the sealing effect to prevent external oxygen from entering the protective box 1, and the carbon dioxide fire extinguisher 46 is started in coordination with the console 34.Carbon dioxide is released through the spray pipe 45 for rapid fire extinguishing.

[0027] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A small transformer for an escalator with high stability, comprising a protective box (1), a mounting hole (2) and a bottom plate (3), characterized in that: The outer wall of the protection box (1) is provided with a plurality of mounting holes (2), and the bottom of the protection box (1) is fixedly connected with a bottom plate (3); The inner wall of the mounting hole (2) is connected to a transformer interface (4) via bolts, the interior of the transformer interface (4) is connected to a transformer connector (5), one end of the inner wall of the transformer interface (4) is provided with a groove (6), the inner wall of the groove (6) is fixedly connected to a sealing air cushion (7), and the outer wall of the sealing air cushion (7) is movably connected to the outer wall of the transformer connector (5), one end of the outer wall of the transformer interface (4) is provided with an air pump (8), and the output end of the air pump (8) is connected to the input end of the sealing air cushion (7) through a pipeline penetrating the outer wall of the transformer interface (4); The outer wall of the protective box (1) is provided with a plurality of movable grooves (9), and both ends of one side of the inner wall of the movable groove (9) are provided with first limiting grooves (10), the interior of the first limiting groove (10) is movably connected with a first compression spring (11), and one end of the first compression spring (11) is movably connected with a first limiting block (12), the inner wall of the movable groove (9) is movably connected with a movable block (13), and both ends of one side of the movable block (13) are provided with limiting holes (14), and a transparent protective cover (15) is installed at one end of the movable block (13), and a semicircular groove (16) is provided on the transparent protective cover (15).

2. A small transformer for escalators with high stability according to claim 1, characterized in that: Shock-absorbing multi-stage cylinders (17) are provided at the four corners of the bottom of the bottom plate (3), shock-absorbing springs (18) are installed on the outer wall of the shock-absorbing multi-stage cylinder (17), and the bottom of the shock-absorbing multi-stage cylinder (17) is fixedly connected to a base (19).

3. A small transformer for escalators with high stability according to claim 1, characterized in that: The bottom of the base plate (3) is provided with a first connecting air hole (20) on both sides, the bottom of the protective box (1) is provided with a second connecting air hole (21), the bottom of the second connecting air hole (21) is arranged at the top of the first connecting air hole (20), the bottom of the base plate (3) is provided with an air inlet channel tube (22), and the top of the air inlet channel tube (22) is arranged at the bottom of the first connecting air hole (20), the inner wall of the air inlet channel tube (22) is provided with a fan (23), and the bottom of the inner wall of the air inlet channel tube (22) is provided with a first dustproof metal mesh (49).

4. A small transformer for escalators with high stability according to claim 1, characterized in that: The inner wall of the protective box (1) is provided with a guide chamber (24), and the bottom of the guide chamber (24) is arranged at the top of the second connecting air hole (21), the outer wall of the guide chamber (24) is provided with a plurality of guide grooves (25), the inner walls of the guide grooves (25) are provided with a second dustproof metal mesh (26), the top of the protective box (1) is provided with an exhaust hole (27), the inner wall of the exhaust hole (27) is provided with a third dustproof metal mesh (28), the four corners of the top of the protective box (1) are fixedly connected with support rods (47), and the top of the support rods (47) is fixedly connected with a protective plate (48).

5. The small transformer for escalator with high stability according to claim 1, characterized in that: The inner wall of the protection box (1) is provided with a fixing platform (29), the top of the fixing platform (29) is connected to a transformer body (30) via bolts, the outer wall of the transformer body (30) is provided with a plurality of heat dissipation fins (31), cables (32) are fixedly connected to both sides of the outer wall of the transformer body (30), and the other end of the cable (32) is fixedly connected to the other end of the transformer interface (4), and the transformer body (30) is connected to the transformer interface (4) via an electric wire via the cable (32).

6. A small transformer for escalators with high stability according to claim 1, characterized in that: A smoke detection sensor component (33) is arranged on the top of the inner wall of the protection box (1), and a control console (34) is embedded on one side of the outer wall of the protection box body (1), and the control console (34) is respectively connected to the smoke detection sensor component (33) and the transformer body (30) through electric wires, and the control console (34) includes a touch display component (35) and a wireless transmission component (36), and the protection box body (1) includes a first sealing component and a second sealing component, the first sealing component is used to seal a plurality of guide grooves (25), and the second sealing component is used to seal the exhaust hole (27).

7. A small transformer for escalators with high stability according to claim 6, characterized in that: The first sealing assembly and the second sealing assembly both include a slide rail (37), and the slide rail (37) is respectively arranged on the outer wall of the guide chamber (24) and the inner top wall of the protection box (1), the inner wall of the slide rail (37) is movably connected to a slide plate (38), the outer wall of the slide rail (37) is opened and closed with a notch (39), and the inside of the notch (39) is movably connected to a gear (40), the outer wall of the gear (40) is meshingly connected to a rack (41), and the rack (41) is arranged on the outer wall of the slide plate (38), and a driving motor component is installed at one end of the gear (40) (50), and the driving motor component (50) is respectively installed on the outer wall of the guide chamber (24) and the inner top wall of the protection box (1), and a plurality of second limiting grooves (51) are provided on one side of the slide plate (38), and the interior of the second limiting groove (51) is movably connected to a second compression spring (42), one end of the second compression spring (42) is movably connected to a second limiting block (43), and the front end of the outer wall of the second limiting block (43) is movably connected to the inner wall of the second limiting groove (51), and the other end of the second limiting block (43) is fixedly connected to a sealing plate (44).

8. The small transformer for escalator with high stability according to claim 1, characterized in that: A spray pipe (45) is laid on the outer side of the inner bottom wall of the protection box (1); the bottom of the spray pipe (45) penetrates the back side of the protection box (1) through a pipeline and is connected to a carbon dioxide fire extinguisher (46); the carbon dioxide fire extinguisher (46) is arranged on the bottom of the bottom plate (3) through bolts, and the carbon dioxide fire extinguisher (46) is connected to the control console (34) through an electric wire.

9. The method for using a small transformer for an escalator with high stability according to claim 7, characterized in that: The working steps of this high-stability small transformer for escalators are as follows: S1. Use bolts to fix the transformer interface (4) to the protection box (1) through the mounting hole (2) on the outer wall of the protection box (1), and insert the transformer connector (5) into the transformer interface (4). At this time, the outer wall of the transformer connector (5) will contact the sealing air cushion (7) in the groove (6) at one end of the inner wall of the transformer interface (4). Start the air pump (8) and inflate the sealing air cushion (7) through the pipeline so that it fits tightly against the outer wall of the transformer connector (5) to ensure the sealing of the interface. S2. Adjust the position of the transparent protective cover (15) so that the position of the moving block (13) in the moving groove (9) is such that during the movement of the moving block (13), the limiting hole (14) on one side thereof interacts with the first compression spring (11) and the first limiting block (12) in the first limiting groove (10), thereby ensuring the stability and position accuracy of the moving block (13) during movement and stop; S3, the smoke detection sensor component (33) on the top of the inner wall of the protection box (1) continuously monitors the smoke concentration around the transformer. When the smoke concentration is detected to be excessive, the smoke detection sensor component (33) sends a signal to the control console (34). The control console (34) includes a touch display component (35) and a wireless transmission component (36), which can receive the signal from the smoke detection sensor component (33), display the alarm information through the touch display component (35), and send the alarm information to relevant personnel through the wireless transmission component (36); S4. The gear (40) is driven to rotate by the driving motor component (50), and the gear (40) is meshed with the rack (41), thereby driving the slide plate (38) to move in the slide rail (37). During the movement of the slide plate (38), the second compression spring (42) and the second limiting block (43) in the second limiting groove (51) on the slide plate (38) interact with each other to ensure stable movement of the slide plate (38). When the slide plate (38) moves to a suitable position, sealing is achieved through the sealing plate (44) to form a closed space, thereby preventing continuous entry of oxygen and improving fire extinguishing efficiency.

10. The method for using a small transformer for an escalator with high stability according to claim 9, characterized in that: The step S2 also includes the following steps: S21, the transparent protective cover (15) is connected to the protective box (1) through the moving block (13), which can protect the transformer from interference from the external environment. At the same time, the design of the semicircular groove (16) is convenient for observation and maintenance.

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