A blockchain-based trusted management charging device

Abstract

This invention discloses a blockchain-based trusted management charging device, relating to the field of charging equipment technology. Specifically, it includes a base box with a supporting shell mounted on its top. The supporting shell contains multiple movable boxes, each with a rectangular groove on its outer side and a hinged cover plate inside. A battery is embedded within each movable box. The supporting shell is constructed of a main support frame, which contains staggered ventilation pipes and box mounting slots. In this invention, the battery fixing assembly, when heated, opens the fire extinguisher outlet valve, allowing extinguishing material to quickly fill the interior of the movable boxes, effectively blocking the spread of extinguishing agents into the device. Simultaneously, a box conveying mechanism rapidly pushes the movable boxes out, moving them away from the supporting shell due to inertia, effectively preventing damage to the charging device.

Description

Technical Field

[0001] This invention relates to the field of charging equipment technology, and in particular to a blockchain-based trusted management charging device. Background Technology

[0002] A blockchain is a chain of blocks, each containing specific information, linked together in chronological order. This chain is stored on all servers; as long as at least one server in the system is operational, the entire blockchain is secure. These servers are called nodes in the blockchain system, providing storage space and computing power. Modifying information in the blockchain requires the consent of more than half of the nodes and modification of the information across all nodes. Since these nodes are typically controlled by different entities, tampering with information in the blockchain is extremely difficult.

[0003] Compared to traditional networks, blockchain has two core characteristics: data is tamper-proof and decentralized. Based on these two characteristics, the information recorded by blockchain is more authentic and reliable, helping to solve the problem of mutual distrust. Combining charging devices with blockchain can quickly determine the battery's charge level and location, improving the efficiency and convenience of battery replacement. However, this charging method, by centralizing batteries in one place, can create safety hazards due to heat generated during charging, affecting charging safety.

[0004] In view of this, the present invention provides a blockchain-based trusted management charging device to solve the technical problems existing in the prior art. Summary of the Invention

[0005] Based on the technical problems existing in the background technology, the present invention proposes a blockchain-based trusted management charging device.

[0006] The present invention proposes a blockchain-based trusted management charging device, including a base box, a support shell installed on the top of the base box, and multiple movable boxes arranged inside the support shell. A rectangular groove is provided on the outside of the movable box, and a movable cover plate is hinged inside the rectangular groove. A storage battery is embedded inside the movable box.

[0007] The supporting shell is composed of a main support frame, and the main support frame is provided with staggered ventilation pipes and box mounting slots. A connecting crossbar is fixedly installed inside the ventilation pipe, and an electromagnetic lock is fixedly installed inside the box mounting slot. A magnetic suction component adapted to the electromagnetic lock is installed at the bottom of the movable box.

[0008] The side of the connecting crossbeam is equipped with a box conveying mechanism, and the movable box is clamped between two box conveying mechanisms. Both sides of the movable box are equipped with conveying components adapted to the box conveying mechanism. The other side of the movable box is equipped with a box end cover, and the other side of the box end cover is equipped with a bellows. The side of the bellows is equipped with a cooling fan, and the bottom of the bellows is plugged in and installed with a fire extinguisher.

[0009] The inner side of the end cover of the housing is equipped with a charging connector, a battery fixing assembly and two blower assemblies, and one end of the battery fixing assembly extends into the interior of the air box and connects to the fire extinguisher valve. The two blower assemblies are clamped on both sides of the power connection end of the battery, and the top and bottom of the battery are clamped inside the battery fixing assembly.

[0010] Preferably, in this invention, the base box includes a box support, the box support has multiple crossbars inside, and an environmental detection sensor is installed at the upper end of the crossbars. An exhaust fan is provided on the side of the box support.

[0011] Preferably, in this invention, the environmental detection sensor consists of a smoke sensor and a temperature sensor, and the environmental detection sensor is located at the lower end of the ventilation duct.

[0012] Preferably, in this invention, the box conveying mechanism includes a conveying bracket with a U-shaped cross-section, and a conveying chain is installed inside the conveying bracket via rollers. Multiple embedded tooth blocks are provided on the outer side of the conveying chain. An actuator connected to the rollers is installed at the bottom of the conveying bracket, and the actuator is composed of a stepper motor.

[0013] Preferably, in this invention, the box conveying mechanism includes a conveying bracket with a U-shaped cross-section, and a conveying chain is installed inside the conveying bracket via rollers. Multiple embedded tooth blocks are provided on the outer side of the conveying chain. An actuator connected to the rollers is installed at the bottom of the conveying bracket, and the actuator is composed of a spring.

[0014] Preferably, in this invention, the movable box body includes a movable box shell, and the movable box shell has a battery cavity inside. The front ends of both sides of the battery cavity are provided with multiple ventilation slots. The two sides of the movable box shell are also provided with exhaust chambers, and the two ends of the exhaust chambers are respectively connected to ventilation slots and ventilation pipes. The rear ends of both sides of the battery cavity are provided with guide slots adapted to the blower assembly.

[0015] Preferably, in this invention, the battery fixing assembly includes a spring coil made of a heat-sensitive material and a heat-conducting plate. The heat-conducting plate has multiple elastic clamps on its side and an extension plate installed on the other side of the heat-conducting plate. The extension plate is connected to the fire extinguisher valve.

[0016] Preferably, in this invention, the blower assembly includes an L-shaped blower hood, with obliquely distributed air guide grilles at the front end of the blower hood, multiple anti-slip grooves on the inner side of the blower hood, and a flexible air duct and an electric push rod sequentially installed at the rear end of the blower hood, with a push spring installed on the outer side of the electric push rod.

[0017] Preferably, in this invention, a sealing assembly is installed inside the wind box, and the sealing assembly consists of a connecting shaft and two sealing plates. The sealing assembly also includes two magnetic blocks installed on the inner wall of the wind box.

[0018] Compared with existing technologies, this invention provides a blockchain-based trusted management charging device, which has the following beneficial effects:

[0019] In this invention, after the movable housing is installed, it is electrically connected to the supporting shell via a plug-in connection. Each movable housing constitutes an independent charging chamber. The battery is pushed into the movable housing for charging. During pushing, the blower assembly is compressed. During charging, a cooling fan compresses air into the air chamber, and the blower assembly then blows the compressed air onto the battery surface, carrying away the heat generated during charging. The battery fixing assembly prevents the battery from shaking during charging. Simultaneously, the battery surface temperature is constantly monitored. If a charging fault occurs and the surface temperature rises... As the temperature rises, the blower assembly quickly pushes the battery away from the movable housing, removing the hazard source from the protective charging device. If the hazard source is not removed in time or a fire breaks out, the battery fixing assembly, heated and moving, opens the fire extinguisher outlet valve, allowing extinguishing material to quickly fill the interior of the movable housing, effectively isolating the interior of the movable housing and preventing the fire from spreading into the device. At the same time, the housing conveying mechanism quickly pushes the movable housing out, and under the action of inertia, the movable housing moves away from the supporting shell, effectively preventing damage to the charging device. Furthermore, isolating the hazard source prevents the fire from spreading and improves the safety of the battery charging process. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a blockchain-based trusted management charging device proposed in this invention;

[0021] Figure 2 This is a schematic diagram of the internal structure of the active housing of a blockchain-based trusted management charging device proposed in this invention.

[0022] Figure 3 This is a schematic diagram of the active housing structure of a blockchain-based trusted management charging device proposed in this invention;

[0023] Figure 4 This is a schematic diagram of the supporting housing structure of a blockchain-based trusted management charging device proposed in this invention;

[0024] Figure 5 This is a schematic diagram of the box conveying mechanism structure of a blockchain-based trusted management charging device proposed in this invention;

[0025] Figure 6 This is a schematic diagram of the sealing component structure of a blockchain-based trusted management charging device proposed in this invention;

[0026] Figure 7 This is a schematic diagram of the blower assembly structure of a blockchain-based trusted management charging device proposed in this invention;

[0027] Figure 8 This is a schematic diagram of the battery fixing component structure of a blockchain-based trusted management charging device proposed in this invention;

[0028] Figure 9 This is a schematic diagram of the base box structure of a blockchain-based trusted management charging device proposed in this invention.

[0029] In the diagram: 1. Base box, 101. Box bracket, 102. Exhaust fan, 103. Crossbar, 104. Environmental monitoring sensor, 2. Support housing, 201. Main bracket, 202. Box mounting slot, 203. Ventilation pipe, 204. Connecting crossbar, 205. Electromagnetic lock, 3. Movable box, 301. Movable box housing, 302. Battery cavity, 303. Guide groove, 304. Ventilation groove, 305. Exhaust cavity, 4. Movable cover, 5. Battery, 6. Box conveying mechanism, 601. Conveying bracket, 602. Actuator, 603. Embedded tooth block. 604 Conveyor Chain, 7 Conveyor Components, 8 Blower Assembly, 801 Blower Cover, 802 Air Guide Grille, 803 Anti-slip Groove, 804 Electric Push Rod, 805 Electric Push Rod, 806 Flexible Air Duct, 9 Charging Connector, 10 Box End Cover, 11 Air Box, 12 Cooling Fan, 13 Sealing Assembly, 1301 Connecting Shaft, 1302 Sealing Plate, 1303 Magnetic Block, 14 Fire Extinguisher, 15 Battery Fixing Assembly, 1501 Heat Conducting Plate, 1502 Spring Coil, 1503 Extension Plate, 1504 Elastic Clamping Plate. Detailed Implementation

[0030] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0031] Example 1:

[0032] Reference Figure 1-9A blockchain-based trusted management charging device includes a base box 1, a support shell 2 installed on the top of the base box 1, and multiple movable boxes 3 arranged inside the support shell 2. A rectangular groove is provided on the outside of the movable box 3, and a movable cover plate 4 is hinged inside the rectangular groove. A storage battery 5 is embedded inside the movable box 3.

[0033] The supporting shell 2 is composed of a main support 201, and the main support 201 is provided with staggered ventilation pipes 203 and box mounting slots 202. A connecting crossbar 204 is fixedly installed inside the ventilation pipes 203, and an electromagnetic lock 205 is fixedly installed inside the box mounting slots 202. A magnetic suction component adapted to the electromagnetic lock 205 is installed at the bottom of the movable box 3.

[0034] A box conveying mechanism 6 is installed on the side of the connecting crossbeam 204, and the movable box 3 is clamped between two box conveying mechanisms 6. Both sides of the movable box 3 are provided with conveying components 7 that are compatible with the box conveying mechanism 6. A box end cover 10 is installed on the other side of the movable box 3, and a bellows 11 is installed on the other side of the box end cover 10. A cooling fan 12 is installed on the side of the bellows 11, and a fire extinguisher 14 is plugged into the bottom of the bellows 11.

[0035] The inner side of the end cover 10 of the enclosure is equipped with a charging connector 9, a battery fixing assembly 15 and two blower assemblies 8, and one end of the battery fixing assembly 15 extends into the interior of the air box 11 and is connected to the valve of the fire extinguisher 14. The two blower assemblies 8 are clamped on both sides of the power connection end of the battery 5, and the top and bottom of the battery 5 are clamped inside the battery fixing assembly 15.

[0036] In this invention, after the movable housing 3 is installed, it is electrically connected to the supporting housing 2 through the plug-in method of the power connector. Each movable housing 3 constitutes an independent charging chamber, and the battery 5 is pushed into the interior of the movable housing 3 for charging. When pushed in, it compresses the blower assembly 8. During the charging process, the cooling fan 12 compresses air into the air box 11, and then the blower assembly 8 blows the compressed air onto the surface of the battery 5 to remove the heat generated during the charging process. The battery fixing assembly 15 is designed to prevent the battery 5 from shaking during charging. At the same time, the surface temperature of the battery 5 is constantly monitored. If the battery 5 experiences a charging failure that causes surface temperature to drop, the battery fixing assembly 15 will be activated. As the temperature continues to rise, the blower assembly 8 quickly pushes the battery 5 away from the movable housing 3, removing the hazard source from the protective charging device. If the hazard source is not removed in time or a fire occurs, the battery fixing assembly 15 moves due to heat, causing the outlet valve of the fire extinguisher 14 to open. The extinguishing agent quickly fills the interior of the movable housing 3, effectively blocking the interior of the movable housing 3 and preventing the fire from spreading into the device. At the same time, the housing conveying mechanism 6 quickly pushes the movable housing 3 out, and under the action of inertia, the movable housing 3 moves away from the supporting shell 2, effectively preventing damage to the charging device. Furthermore, it isolates the hazard source to prevent the fire from spreading and improves the safety of the battery charging process.

[0037] As a further embodiment of the present invention, the base box 1 includes a box support 101. The box support 101 has multiple crossbars 103 inside, and an environmental detection sensor 104 is installed at the upper end of the crossbars 103. An exhaust fan 102 is provided on the side of the box support 101. The exhaust fan 102 is provided on the side of the base box 1. During operation, the inside of the box support 101 is controlled to a slightly negative pressure state. During charging, the hot air inside the movable box 3 is quickly extracted and discharged, effectively avoiding the accumulation of internal heat. When the movable box 3 is detached, the air discharged by the exhaust fan 102 blows away dangerous factors such as smoke and flames, improving the protection effect on the charging device.

[0038] As a further embodiment of the present invention, the environmental detection sensor 104 is composed of a smoke sensor and a temperature sensor, and the environmental detection sensor 104 is located at the lower end of the ventilation duct 203. The environmental detection sensor 104 monitors the air discharged from the ventilation duct 203 at all times. When an abnormal temperature or smoke is generated, the power supply can be quickly cut off and an alarm can be issued. Multiple protections prevent the occurrence of danger and improve charging safety.

[0039] As a further embodiment of the present invention, the box conveying mechanism 6 includes a conveying bracket 601 with a U-shaped cross-section. A conveying chain 604 is installed inside the conveying bracket 601 via rollers. Multiple embedded tooth blocks 603 are provided on the outer side of the conveying chain 604. An actuator 602 connected to the rollers is installed at the bottom of the conveying bracket 601. The actuator 602 is composed of a stepper motor. When the movable box 3 is installed, one end of it is pushed into the box mounting groove 202. The conveying components 7 on both sides are embedded between the embedded tooth blocks 603. Driven by the actuator 602, the movable box 3 is sent into the support housing 2. The installation process is simple and convenient. In case of danger, the actuator 602 rotates in the opposite direction to quickly bring the movable box 3 out of the box mounting groove 202.

[0040] As a further embodiment of the present invention, the movable housing 3 includes a movable housing shell 301, and a battery cavity 302 is provided inside the movable housing shell 301. Multiple ventilation slots 304 are provided on the front ends of both sides of the battery cavity 302. Exhaust cavities 305 are also provided on both sides of the interior of the movable housing shell 301, and the two ends of the exhaust cavities 305 are respectively connected to the ventilation slots 304 and the ventilation pipes 203. Guide slots 303 adapted to the blower assembly 8 are provided on the rear ends of both sides of the battery cavity 302. During the charging stage, the main body of the battery 5 is suspended in the battery cavity 302 under the action of the battery fixing assembly 15. The blower assembly 8 injects cold air from the outside into the battery cavity 302 to remove the heat generated by the charging of the battery 5 and avoid overheating. The middle part of the exhaust cavity 305 is long and narrow. When smoke or flames are generated, the fire extinguishing agent can quickly fill the battery cavity 302 and enter the exhaust cavity 305 to form a blockage, thereby achieving a fire-stopping effect and improving safety.

[0041] As a further embodiment of the present invention, the battery fixing assembly 15 includes a spring coil 1502 made of heat-sensitive material and a heat-conducting plate 1501. The side of the heat-conducting plate 1501 is provided with multiple elastic clamps 1504, and an extension plate 1503 is installed on the other side of the heat-conducting plate 1501. The extension plate 1503 is connected to the valve of the fire extinguisher 14. When the battery 5 is inserted, its tail end is embedded between the elastic clamps 1504, so that most of the battery 5 is in a suspended state, which effectively dissipates heat and eliminates vibration during battery charging. Through heat conduction between the elastic clamps 1504 and the heat-conducting plate 1501, when the battery 5 overheats abnormally, the spring coil 1502 made of heat-sensitive material expands, opens the valve of the fire extinguisher 14, and pushes the charging end of the battery 5 away to cut off the power, thereby improving the safety of the charging process.

[0042] As a further embodiment of the present invention, the blower assembly 8 includes an L-shaped blower hood 801, with obliquely distributed air guide grilles 802 at the front end of the blower hood 801 and multiple anti-slip grooves 803 on the inner side of the blower hood 801. A flexible air duct 806 and an electric push rod 805 are sequentially installed at the rear end of the blower hood 801. A push spring 804 is installed on the outer side of the electric push rod 805. When the battery 5 is inserted into the charging device, the electric push rod 805 retracts, driving the push spring 804 to store energy. During the charging process, the air guide grilles 802 obliquely guide cold air into the surface of the battery 5 to achieve the purpose of cooling. In case of danger, the electric push rod 804 is de-energized, and the push spring 804 rebounds to quickly push out the battery 5, achieving the purpose of separating the battery 5 and isolating the source of danger.

[0043] As a further embodiment of the present invention, a sealing assembly 13 is installed inside the bellows 11. The sealing assembly 13 consists of a connecting shaft 1301 and two sealing plates 1302. The sealing assembly 13 also includes two magnetic blocks 1303 installed on the inner wall of the bellows 11. When the air is compressed, the two sealing plates 1302 form a V-shape to evenly distribute the incoming air. After the valve of the fire extinguisher 14 is opened, the pressure of the extinguishing agent impacts the sealing plates 1302 and moves them backward. After the sealing plates 1302 come into contact with the magnetic blocks 1303, they form a magnetic attraction, blocking the opening of the bellows 11 and preventing air from entering and causing combustion. This effectively isolates the internal environment of the movable box 3 and achieves a flame-retardant effect.

[0044] Example 2:

[0045] Reference Figure 1-9 A blockchain-based trusted management charging device includes a housing conveying mechanism 6 comprising a U-shaped conveying support 601. Inside the conveying support 601, a conveying chain 604 is mounted via rollers. Multiple embedded toothed blocks 603 are arranged on the outer side of the conveying chain 604. An actuator 602, connected to the rollers, is mounted at the bottom of the conveying support 601. The actuator 602 is made of a spring. During installation of the movable housing 3, the conveying components 7 on both sides are embedded between the embedded toothed blocks 603. As the movable housing 3 is pushed, the actuator 602 winds up and stores power. Upon reaching the installation position, the movable housing 3 is fixed using an electromagnetic lock 205 and a magnetic attraction component. Installation is simple and convenient. At this time, the actuator 602 is in a stored-power state. In the event of overheating or fire risks, the electromagnetic lock 205 is de-energized, and the actuator 602 quickly recovers, causing the movable housing 3 to rapidly detach from the supporting housing 2. The fast reaction speed and sensitive response process improve the charging device's ability to detach from hazardous sources and enhance the safety of the charging process.

[0046] In use, each movable housing 3 constitutes an independent charging chamber, and the battery 5 is pushed into the interior of the movable housing 3 for charging. When pushed in, it compresses the blower assembly 8. During the charging process, the cooling fan 12 compresses air into the air box 11, and then the blower assembly 8 blows the compressed air onto the surface of the battery 5, carrying away the heat generated during the charging process. The battery fixing assembly 15 is designed to prevent the battery 5 from shaking during charging. At the same time, the surface temperature of the battery 5 is constantly monitored. When the battery 5 experiences a charging failure that causes the surface temperature to rise continuously, the blower assembly 8 quickly pushes the battery 5 away from the movable housing 3, removing the hazard source from the charging device. If the hazard source is not removed in time or a fire occurs, the battery fixing assembly 15 moves due to heat, causing the outlet valve of the fire extinguisher 14 to open. The extinguishing material quickly fills the interior of the movable housing 3, effectively blocking the interior of the movable housing 3 and preventing the fire from spreading into the device. At the same time, the housing conveying mechanism 6 quickly pushes the movable housing 3 out, and under the action of inertia, the movable housing 3 moves away from the supporting shell 2, effectively preventing damage to the charging device.

[0047] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A blockchain-based trusted management charging device, comprising a base box (1), a support shell (2) mounted on the top of the base box (1), and a plurality of movable boxes (3) arranged inside the support shell (2), a rectangular groove provided on the outer side of each movable box (3), and a movable cover plate (4) hinged inside the rectangular groove, and a battery (5) embedded inside each movable box (3), characterized in that: The supporting shell (2) is composed of a main support (201), and the main support (201) is provided with staggered ventilation pipes (203) and box mounting slots (202). A connecting crossbar (204) is fixedly installed inside the ventilation pipes (203), and an electromagnetic lock (205) is fixedly installed inside the box mounting slots (202). A magnetic suction component adapted to the electromagnetic lock (205) is installed at the bottom of the movable box (3). The side of the connecting crossbeam (204) is equipped with a box conveying mechanism (6), and the movable box (3) is sandwiched between two box conveying mechanisms (6). Both sides of the movable box (3) are provided with conveying components (7) that are compatible with the box conveying mechanism (6). The other side of the movable box (3) is equipped with a box end cover (10), and the other side of the box end cover (10) is equipped with a bellows (11). The side of the bellows (11) is equipped with a cooling fan (12), and the bottom of the bellows (11) is plugged in and installed with a fire extinguisher (14). The inner side of the end cap (10) of the housing is equipped with a charging connector (9), a battery fixing assembly (15) and two blower assemblies (8), and one end of the battery fixing assembly (15) extends into the interior of the bellows (11) and is connected to the valve of the fire extinguisher (14). The two blower assemblies (8) are clamped on both sides of the power connection end of the storage battery (5), and the top and bottom of the storage battery (5) are clamped inside the battery fixing assembly (15).

2. The blockchain-based trusted management charging device according to claim 1, characterized in that, The base box (1) includes a box support (101), and the box support (101) has multiple crossbars (103) inside, and an environmental detection sensor (104) is installed at the upper end of the crossbars (103). An exhaust fan (102) is provided on the side of the box support (101).

3. The blockchain-based trusted management charging device according to claim 2, characterized in that, The environmental detection sensor (104) consists of a flue gas sensor and a temperature sensor, and the environmental detection sensor (104) is located at the lower end of the ventilation duct (203).

4. The blockchain-based trusted management charging device according to claim 1, characterized in that, The box conveying mechanism (6) includes a conveying bracket (601) with a U-shaped cross-section, and a conveying chain (604) is installed inside the conveying bracket (601) through rollers. Multiple embedded tooth blocks (603) are provided on the outside of the conveying chain (604). An actuator (602) connected to the rollers is installed at the bottom of the conveying bracket (601). The actuator (602) is composed of a stepper motor.

5. A blockchain-based trusted management charging device according to claim 1, characterized in that, The box conveying mechanism (6) includes a conveying bracket (601) with a U-shaped cross-section, and a conveying chain (604) is installed inside the conveying bracket (601) through rollers. Multiple embedded tooth blocks (603) are provided on the outside of the conveying chain (604). An actuator (602) connected to the rollers is installed at the bottom of the conveying bracket (601). The actuator (602) is made of a spring.

6. The blockchain-based trusted management charging device according to claim 1, characterized in that, The movable housing (3) includes a movable housing shell (301), and a battery cavity (302) is provided inside the movable housing shell (301). Multiple ventilation slots (304) are provided on the front ends of both sides of the battery cavity (302). An exhaust cavity (305) is also provided on both sides of the interior of the movable housing shell (301). The two ends of the exhaust cavity (305) are respectively connected to the ventilation slots (304) and the ventilation pipe (203). Guide slots (303) adapted to the blower assembly (8) are provided on the rear ends of both sides of the battery cavity (302).

7. The blockchain-based trusted management charging device according to claim 1, characterized in that, The battery fixing assembly (15) includes a spring coil (1502) made of heat-sensitive material and a heat-conducting plate (1501). The heat-conducting plate (1501) has multiple elastic clamps (1504) on its side and an extension plate (1503) installed on the other side of the heat-conducting plate (1501). The extension plate (1503) is connected to the valve of the fire extinguisher (14).

8. A blockchain-based trusted management charging device according to claim 1, characterized in that, The blower assembly (8) includes an L-shaped blower hood (801), and the front end of the blower hood (801) is provided with obliquely distributed air guide grilles (802). The inner side of the blower hood (801) is provided with multiple anti-slip grooves (803). The rear end of the blower hood (801) is sequentially equipped with a flexible air duct (806) and an electric push rod (805). The outer side of the electric push rod (805) is equipped with a push spring (804).

9. A blockchain-based trusted management charging device according to claim 1, characterized in that, The bellows (11) is equipped with a sealing assembly (13), which consists of a connecting shaft (1301) and two sealing plates (1302). The sealing assembly (13) also includes two magnetic blocks (1303) installed on the inner wall of the bellows (11).

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