An IoT smart distribution box for tunnel engineering

Abstract

The present invention discloses an Internet of Things intelligent distribution box for tunnel engineering, comprising a box body, a box door and a programming controller, wherein the box door is hinged on the front side of the box body, the programming controller is fixedly installed on the front side of the box door, ventilation windows are provided on both sides of the box body, a ventilation and heat dissipation mechanism is provided inside the ventilation windows, a fire extinguishing mechanism is provided on the top of the box body, a base is installed at the bottom of the box body, locking universal wheels are installed at the four corners of the bottom of the base, and a shock absorbing mechanism is provided inside the base. The present invention enhances the heat dissipation effect of the distribution box, avoids the electrical components in the distribution box from working in a high temperature state, prolongs the service life of the electrical components in the distribution box, has the function of fire extinguishing, reduces the economic loss caused by combustion, has the functions of remote monitoring and fixed-point investigation, improves the technical level of equipment maintenance, and ensures the safety and reliability of electricity use.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment, and in particular to an Internet of Things smart distribution box for tunnel engineering. Background Art

[0002] With the development of information technology and the global popularization of the Internet, the traditional tunnel management model has changed, and higher requirements have been put forward for the management of the tunnel environment. The intelligent management model is increasingly accepted by people. Distribution box management is also a part of intelligent management, and the requirements for intelligent power distribution management are also higher. Intelligent management distribution boxes play an important role in it. The internal wiring of the distribution box requires that the switchgear, measuring instruments, protective electrical appliances and auxiliary equipment be assembled in a closed or semi-closed metal cabinet or on a screen to form a low-voltage distribution box. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches.

[0003] There are at least the following problems that have not been solved in the prior art: 1. The electrical components inside the box door cannot be waterproofed. When the distribution box is opened for maintenance, water leaking from the structure will drip onto the electrical components inside the box door, making the maintenance work more difficult and posing a safety hazard; 2. Since the distribution box is used outdoors for a long time, when there is continuous rainy weather, moisture is likely to appear inside the distribution box, which will affect the normal operation of the distribution box and is not conducive to long-term use. The existing patent (Announcement No.: CN113824013A) proposes a distribution box for smart community property management, including a box body, the middle of the left end and the middle of the right end of the box body are both provided with a plurality of heat dissipation holes, the middle of the upper end of the box body is fixedly connected with a shielding device, the left box wall front and the right box wall front of the box body and the left box wall rear and the right box wall rear of the box body are both fixedly connected with a light strip, the middle of the left box wall and the middle of the right box wall of the box body are both fixedly connected with a moisture absorption device, the front end of the box body is movably connected with a box door through a hinge, the middle of the front end of the box door is fixedly connected with an observation window, the middle of the lower end of the box body is fixedly connected with a storage device, and the lower end of the storage device is fixedly connected with a support seat. The entire distribution box has a good rainproof effect, which is convenient for staff to carry out maintenance, and can absorb moisture and dissipate heat, extending the service life of the equipment, and is suitable for wide use.

[0004] The above-mentioned distribution box has the following disadvantages when in use: in order to consider the waterproof requirement, the sealing of the distribution box needs to be increased, which will lead to the deterioration of the heat dissipation effect of the distribution box, causing the electrical components in the distribution box to work in a high temperature state, which will affect the service life of the electrical components and even cause damage; and the distribution box cannot be extinguished, because the electrical components in the distribution box are often overloaded and burned due to problems such as line aging, and because the distribution box is electrified and has many plastic parts, once it burns, it is easy to spread along the line, causing great economic losses. For this reason, we propose an IoT smart distribution box for tunnel engineering to solve the above problems. Summary of the invention

[0005] The present invention provides an Internet of Things smart distribution box for tunnel engineering, which solves the technical problems that the heat dissipation effect of the distribution box is poor, which easily causes the electrical components in the distribution box to work in a high temperature state, affects the service life of the electrical components, and even causes damage and the distribution box cannot be extinguished.

[0006] In order to solve the above technical problems, the present invention provides an Internet of Things smart distribution box for tunnel engineering, comprising a box body, a box door and a programming controller, characterized in that the box door is hinged on the front side of the box body, the programming controller is fixedly installed on the front side of the box door, ventilation windows are opened on the left and right sides of the box body, a ventilation and heat dissipation mechanism is arranged inside the ventilation windows, a fire extinguishing mechanism is arranged on the top of the box body, a base is installed at the bottom of the box body, locking universal wheels are installed at the four corners of the bottom of the base, a shock absorbing mechanism is arranged inside the base, a remote monitoring module for remotely monitoring various parameters of its internal electric meter is provided on the box body, and a positioning module for assisting maintenance personnel to discover and troubleshoot abnormal situations is also provided on the box body.

[0007] Preferably, the ventilation and heat dissipation mechanism includes a rotating shaft, a wind shield, a synchronous wheel, a synchronous belt, a gear, an electric push rod, a rack, a temperature sensor and a humidity sensor. A plurality of the rotating shafts are rotatably installed inside the ventilation window, each of the rotating shafts is fixedly installed with the wind shield, and the individual wind shields fit together. One end of each rotating shaft passes through the front side wall of the ventilation window, extends to the outside and is fixedly installed with the synchronous wheel, the synchronous wheel is provided with the synchronous belt, and transmission is achieved between the plurality of synchronous wheels through the synchronous belt. The gear is fixedly installed on the end of one of the rotating shafts, the electric push rod is fixedly installed on the front side wall of the ventilation window, the rack is fixedly installed on the telescopic end of the electric push rod, and the rack is meshed with the gear. The temperature sensor and the humidity sensor are both installed on the box door, and the electric push rod, the temperature sensor and the humidity sensor are all electrically connected to the programming controller, so as to enhance the heat dissipation effect of the distribution box, avoid the electrical components in the distribution box from working in a high temperature state, and extend the service life of the electrical components in the distribution box.

[0008] Preferably, a dustproof net is fixedly installed inside the ventilation window, and a plurality of moisture-absorbing strips are evenly distributed on the front of the dustproof net. The dustproof net has a good dust-proof and insect-proof effect, preventing dust and flying insects from entering the distribution box. The moisture-absorbing strips can absorb moisture in the air and have a good moisture-proof and dehumidification effect.

[0009] Preferably, the fire extinguishing mechanism includes a gas storage tank, a sealing film, a piston plate, a membrane-breaking nail, an electromagnet, a silicon steel sheet, an air pressure sensor, an air pump and a smoke sensor, two of the gas storage tanks are fixedly installed on the top of the box body, the lower ends of the gas storage tanks penetrate the top wall of the box body and extend into the interior of the box body, the sealing film is fixedly installed on the bottom surface of the gas storage tank, the interior of the gas storage tank is slidably connected to the piston plate, the interior of the gas storage tank is divided into two sealed cavities by the piston plate, the cavity located below the piston plate is filled with inert gas, the membrane-breaking nail is fixedly installed on the bottom of the piston plate, and the top of the piston plate is fixedly installed with The silicon steel sheet is fixedly mounted with the electromagnet on the inner wall of the cavity located at the upper part of the piston plate, and the electromagnet is magnetically attracted to the silicon steel sheet. The air pressure sensor is fixedly mounted on the top of the gas storage tank, and the air pump is fixedly mounted on the top of the box body. The air suction end of the air pump extends to the inside of the box body, and the exhaust end of the air pump extends to the cavity located at the upper part of the piston plate. The smoke sensor is fixedly mounted on the top of the box body. The electromagnet, the air pressure sensor, the air pump and the smoke sensor are all electrically connected to the programmed controller, so that the distribution box has a fire extinguishing function, thereby reducing the economic losses caused by combustion.

[0010] Preferably, the shock absorbing mechanism includes a shock absorbing plate, a sliding rod, a slider, a support rod and a shock absorbing spring, the shock absorbing plate being slidably connected to the inside of the base, the box body being fixedly mounted on the top of the shock absorbing plate, a sliding groove being provided at the bottom of the shock absorbing plate, the sliding rod being fixedly mounted inside the sliding groove, two sliding blocks being symmetrically slidably connected to the sliding rod, the support rod being hinged to the bottom surface of the sliding rod, the bottom end of the support rod being hinged to the inner bottom wall of the base, the shock absorbing spring being sleeved on the sliding rod, the slider being elastically connected to the side wall of the sliding groove through the shock absorbing spring, the shock absorbing mechanism can prevent damage to internal components of the distribution box due to vibration or poor contact during installation or use of the distribution box, which not only improves the safety of use of the distribution box, but also reduces the workload of maintenance personnel.

[0011] Preferably, first buffer pads are installed on both left and right sides of the bottom of the shock-absorbing plate, and two second buffer pads are installed on the inner bottom wall of the base. The first buffer pad is vertically symmetrical with the second buffer pad. Both the first buffer pad and the second buffer pad are made of rubber. When the shock absorption reaches the maximum value, the first buffer pad contacts the second buffer pad to prevent the shock-absorbing plate from touching the bottom and being damaged, thereby achieving a good anti-collision effect.

[0012] Preferably, the remote monitoring module includes a panoramic camera, an LED light, a voltage sensor and a current sensor. A through opening is opened on the front of the box door. The panoramic camera is fixedly installed inside the through opening. The lens of the panoramic camera is arranged toward the inside of the box. There are two LED lights, both of which are installed inside the box. The voltage sensor and the current sensor are fixedly installed on the inner wall on the back of the box. The panoramic camera, the LED light, the voltage sensor and the current sensor are electrically connected to the programming controller, and can remotely monitor the inside of the distribution box to ensure real-time monitoring of the power consumption process, thereby improving the technical level of equipment maintenance, ensuring the safety and reliability of power consumption, and facilitating the staff to obtain and collect various parameters of the electric meter. At the same time, the abnormal power consumption inside the distribution box can be analyzed, and potential faults can be discovered in time to ensure the safety of power consumption.

[0013] Preferably, the positioning module includes a GPS locator and a buzzer, and the GPS locator and the buzzer are both fixedly mounted on the box door. The GPS locator and the buzzer are both electrically connected to the programming controller, which can achieve the effect of remote positioning, so that when an abnormal situation occurs in the distribution box, it can promptly help maintenance personnel to locate and troubleshoot.

[0014] Compared with the related art, the IoT smart distribution box for tunnel engineering provided by the present invention has the following beneficial effects:

[0015] 1. In the present invention, by arranging a temperature sensor and a humidity sensor, the distribution box can realize the effect of flipping and opening the wind shield through the cooperation of the rotating shaft, synchronous wheel, synchronous belt, gear, electric push rod and rack when the humidity of the outside air is low, so that air can flow through the ventilation window, increase the convection between the inside of the box and the outside air, and then increase the heat dissipation capacity of the distribution box; when the humidity of the outside air is high, the wind shield can be flipped and closed by contracting the electric push rod to prevent water vapor from entering the inside of the box, effectively increase the heat dissipation effect of the distribution box, avoid the electrical components in the distribution box from working in a high temperature state, and extend the service life of the electrical components in the distribution box.

[0016] 2. In the present invention, the smoke sensor can detect the combustion smoke inside the box. When the smoke is detected, the piston plate is moved downward through the cooperation of the electromagnet, the air pressure sensor and the vacuum pump. The piston plate drives the film-breaking nail to puncture the sealing film. The inert gas filled in the gas tank can be discharged into the interior of the box to extinguish the fire, so that the distribution box has the function of extinguishing fire and reduces the economic losses caused by combustion.

[0017] 3. In the present invention, by cooperating with the slide rod, slider, support rod and shock-absorbing spring, the distribution box can avoid damage to internal components due to vibration or poor contact during installation or use, which not only improves the safety of the use of the distribution box, but also reduces the workload of maintenance personnel.

[0018] 4. In the present invention, the panoramic camera, voltage sensor and current sensor can be controlled by a programming controller to remotely monitor the inside of the box in real time. Various parameters of the electric meter collected can be transmitted to the user terminal through wireless transceiver antennas and other devices, thereby improving the technical level of equipment maintenance and ensuring the safety and reliability of electricity use. At the same time, it can analyze the abnormal electricity use inside the distribution box, discover potential faults in time, and ensure the safety of electricity use.

[0019] 5. In the present invention, the positioning coordinates obtained by the GPS locator can be transmitted to the user terminal through the programming controller. At the same time, the programming controller can control the buzzer to sound a buzzer alarm to remind the maintenance personnel of the specific location of the distribution cabinet, thereby achieving the effect of remote positioning, so that when an abnormal situation occurs in the distribution box, it can help the maintenance personnel to find and check the location in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of an IoT smart distribution box for tunnel engineering;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of an IoT smart distribution box for tunnel engineering;

[0022] Figure 3 for Figure 1 A magnified view of the structure at center A;

[0023] Figure 4 for Figure 2 A magnified view of the structure at point B.

[0024] Numbers in the figure: 1. Box body; 2. Box door; 3. Programmable controller; 4. Ventilation window; 5. Rotating shaft; 6. Wind shield; 7. Synchronous wheel; 8. Synchronous belt; 9. Gear; 10. Electric push rod; 11. Rack; 12. Temperature sensor; 13. Humidity sensor; 14. Dustproof net; 15. Moisture absorption strip; 16. Gas tank; 17. Sealing film; 18. Piston plate; 19. Film-breaking nail; 20. Electromagnet; 21. Silicon steel sheet; 22. Air pressure sensor; 23. Air pump; 24. Smoke sensor; 25. Base; 26. Locking universal wheel; 27. Shock-absorbing plate; 28. Slide bar; 29. ​​Sliding block; 30. Support rod; 31. Shock-absorbing spring; 32. First buffer pad; 33. Second buffer pad; 34. Panoramic camera; 35. LED lighting; 36. Voltage sensor; 37. Current sensor; 38. GPS locator; 39. Buzzer. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1, by Figure 1-4 Provided is an Internet of Things smart distribution box for tunnel engineering, comprising a box body 1, a box door 2 and a programming controller 3, the box door 2 is hinged on the front side of the box body 1, the programming controller 3 is fixedly installed on the front side of the box door 2, ventilation windows 4 are provided on the left and right sides of the box body 1, a ventilation and heat dissipation mechanism is provided inside the ventilation windows 4, a fire extinguishing mechanism is provided on the top of the box body 1, a base 25 is installed at the bottom of the box body 1, locking universal wheels 26 are installed at the four corners of the bottom of the base 25, a shock absorbing mechanism is provided inside the base 25, a remote monitoring module for remotely monitoring various parameters of the internal electric meter is provided on the box body 1, and a positioning module for assisting maintenance personnel to discover and troubleshoot abnormal situations is also provided on the box body 1.

[0029] Embodiment 2, on the basis of embodiment 1, the ventilation and heat dissipation mechanism includes a rotating shaft 5, a windshield 6, a synchronous wheel 7, a synchronous belt 8, a gear 9, an electric push rod 10, a rack 11, a temperature sensor 12 and a humidity sensor 13, a plurality of rotating shafts 5 are installed for rotation inside the ventilation window 4, a windshield 6 is fixedly installed on each rotating shaft 5, and the single windshields 6 fit each other, one end of each rotating shaft 5 passes through the front side wall of the ventilation window 4 and extends to the outside and is fixedly installed with a synchronous wheel 7, a synchronous belt 8 is provided on the synchronous wheel 7, and transmission is realized between the plurality of synchronous wheels 7 through the synchronous belt 8, a gear 9 is fixedly installed on the end of one of the rotating shafts 5, an electric push rod 10 is fixedly installed on the front side wall of the ventilation window 4, and the extension of the electric push rod 10 A rack 11 is fixedly installed at the retracted end, and the rack 11 is meshed with the gear 9. The temperature sensor 12 and the humidity sensor 13 are both installed on the box door 2. The electric push rod 10, the temperature sensor 12 and the humidity sensor 13 are all electrically connected to the programming controller 3 to enhance the heat dissipation effect of the distribution box, avoid the electrical components in the distribution box from working in a high temperature state, and extend the service life of the electrical components in the distribution box. A dustproof net 14 is fixedly installed inside the ventilation window 4, and a plurality of moisture-absorbing strips 15 are equidistantly distributed on the front of the dustproof net 14. The dustproof net 14 has a good dust-proof and insect-proof effect, which prevents dust and flying insects from entering the distribution box. The moisture-absorbing strips 15 can absorb moisture in the air and have a good moisture-proof and dehumidification effect.

[0030] Embodiment 3, on the basis of embodiment 1, the fire extinguishing mechanism comprises a gas storage tank 16, a sealing film 17, a piston plate 18, a membrane-breaking nail 19, an electromagnet 20, a silicon steel sheet 21, an air pressure sensor 22, an air pump 23 and a smoke sensor 24, two gas storage tanks 16 are fixedly installed on the top of the box body 1, the lower end of the gas storage tank 16 passes through the top wall of the box body 1 and extends to the inside of the box body 1, the bottom surface of the gas storage tank 16 is fixedly installed with a sealing film 17, the inside of the gas storage tank 16 is slidably connected with a piston plate 18, the inside of the gas storage tank 16 is divided into two sealed cavities by the piston plate 18, the cavity located at the bottom of the piston plate 18 is filled with an inert gas, and the bottom of the piston plate 18 is fixedly installed with a membrane-breaking nail 1 9. A silicon steel sheet 21 is fixedly mounted on the top of the piston plate 18, an electromagnet 20 is fixedly mounted on the inner wall of the cavity located at the upper part of the piston plate 18, the electromagnet 20 and the silicon steel sheet 21 are magnetically attracted, an air pressure sensor 22 is fixedly mounted on the top of the gas storage tank 16, an air pump 23 is fixedly mounted on the top of the box body 1, the air suction end of the air pump 23 extends to the inside of the box body 1, and the exhaust end of the air pump 23 extends to the inside of the cavity located at the upper part of the piston plate 18, a smoke sensor 24 is fixedly mounted on the top of the box body 1, the electromagnet 20, the air pressure sensor 22, the air pump 23 and the smoke sensor 24 are all electrically connected to the programming controller 3, so that the distribution box has the function of extinguishing fire, thereby reducing the economic loss caused by combustion.

[0031] Embodiment 4, on the basis of embodiment 1, the shock absorbing mechanism includes a shock absorbing plate 27, a slide bar 28, a slider 29, a support rod 30 and a shock absorbing spring 31, the shock absorbing plate 27 is slidably connected to the inside of the base 25, the box body 1 is fixedly installed on the top of the shock absorbing plate 27, a slide groove is provided at the bottom of the shock absorbing plate 27, a slide bar 28 is fixedly installed inside the slide groove, two slide blocks 29 are symmetrically slidably connected to the slide bar 28, a support rod 30 is hinged to the bottom surface of the slide block 29, the bottom end of the support rod 30 is hinged to the bottom wall of the base 25, a shock absorbing spring 31 is sleeved on the slide bar 28, and the slider 29 is elastically connected to the side wall of the slide groove through the shock absorbing spring 31, and the shock absorbing mechanism can make the matching During the installation or use of the electrical box, the damage of the internal components of the distribution box due to vibration or poor contact is avoided, which not only improves the safety of the use of the distribution box, but also reduces the workload of maintenance personnel. The first buffer pads 32 are installed on the left and right sides of the bottom of the shock-absorbing plate 27, and two second buffer pads 33 are installed on the inner bottom wall of the base 25. The first buffer pad 32 and the second buffer pad 33 are vertically symmetrical. The first buffer pad 32 and the second buffer pad 33 are both made of rubber. When the shock absorption reaches the maximum value, the first buffer pad 32 contacts the second buffer pad 33 to prevent the shock-absorbing plate 27 from touching the bottom and being damaged, thereby achieving a good anti-collision effect.

[0032] Embodiment 5, on the basis of embodiment 1, the remote monitoring module includes a panoramic camera 34, an LED light 35, a voltage sensor 36 and a current sensor 37, a through opening is opened on the front of the box door 2, the panoramic camera 34 is fixedly installed inside the through opening, the lens of the panoramic camera 34 is set toward the inside of the box body 1, there are two LED lights 35, both of which are installed inside the box body 1, the voltage sensor 36 and the current sensor 37 are fixedly installed on the inner wall on the back of the box body 1, the panoramic camera 34, the LED light 35, the voltage sensor 36 and the current sensor 37 are all electrically connected to the programming controller 3, and can remotely monitor the inside of the distribution box to ensure real-time monitoring of the power consumption process, improve the technical level of equipment maintenance, ensure the safety and reliability of power consumption, and facilitate the staff to obtain and collect various parameters of the electric meter. At the same time, it can analyze the abnormal power consumption inside the distribution box, discover potential faults in time, and ensure the safety of power consumption.

[0033] Embodiment 6, on the basis of embodiment 1, the positioning module includes a GPS locator 38 and a buzzer 39, both of which are fixedly mounted on the box door 2, and both of which are electrically connected to the programming controller 3, so as to achieve the effect of remote positioning, so that when an abnormal situation occurs in the distribution box, it can promptly help maintenance personnel to locate and troubleshoot.

[0034] Working principle: By setting the temperature sensor 12 and the humidity sensor 13, the humidity and temperature of the air outside the box 1 can be detected. When it is detected that the humidity of the air outside the box 1 is low, the signal is transmitted to the programming controller 3. The programming controller 3 controls the electric push rod 10 to start, and the electric push rod 10 pushes the rack 11 to move upward. The rack 11 drives the gear 9 meshing with it to rotate, and the gear 9 drives one of the rotating shafts 5 to rotate. Through the transmission of the synchronous wheel 7 and the synchronous belt 8, multiple rotating shafts 5 can rotate synchronously. When the rotating shaft 5 rotates, it drives the wind shield 6 to flip 90°, so that the ventilation window 4 is in the open state, and air can circulate from the ventilation window 4, increasing the convection between the inside of the box 1 and the outside air, thereby increasing the heat dissipation capacity of the distribution box. When the humidity of the outside air is high, the electric push rod 10 can be contracted to make the wind shield 6 flip and close, so as to prevent water vapor from entering the inside of the box 1, effectively increase the heat dissipation effect of the distribution box, avoid the electrical components in the distribution box from working in a high temperature state, and extend the service life of the electrical components in the distribution box. The smoke sensor 24 can detect the combustion smoke inside the box 1. When the combustion smoke is detected, the signal is transmitted to the programming controller 3. The programming controller 3 first controls the electric push rod 10 to contract, so that the wind shield 6 flips and closes, so that the box 1 is in a relatively closed environment, and the outside air cannot enter the inside of the box 1, which has the effect of isolating oxygen. Then the vacuum pump 23 is controlled to start, and the vacuum pump 23 pumps the air inside the box 1 to the gas storage When the air inside the tank 1 is extracted, the inside of the box 1 is in a relatively vacuum state to prevent the fire from spreading. When the air pressure sensor 22 detects that the air pressure inside the two gas tanks 16 has reached the set threshold, the signal is transmitted to the programming controller 3. The programming controller 3 controls the air pump 23 to turn off and synchronously controls the electromagnet 20 to cut off the power. After the electromagnet 20 is powered off, the magnetic attraction between the electromagnet 20 and the silicon steel sheet 21 is released. The air pressure on the upper part of the gas tank 16 pushes the piston plate 18 to move downward, and the piston plate 18 drives the membrane rupture nail 19 to pierce the sealing film 17. The inert gas filled in the lower part of the gas tank 16 can be discharged into the interior of the box 1, which can completely extinguish the fire, so that the distribution box has the function of extinguishing the fire, reducing the economic loss caused by combustion. The slide bar 28, the slider 29, the support rod 30 and the shock-absorbing spring 31 are arranged in cooperation, so that the distribution box can avoid damage to the internal components due to vibration or poor contact during installation or use, which not only improves the safety of the use of the distribution box, but also reduces the workload of maintenance personnel. The panoramic camera 34, the voltage sensor 36 and the current sensor 37 can be controlled by the programming controller 3 to remotely monitor the inside of the box body 1 in real time, and various parameters of the electric meter collected can be transmitted to the user terminal through devices such as wireless transceiver antennas, thereby improving the technical level of equipment maintenance and ensuring the safety and reliability of electricity use. At the same time, the abnormal electricity use inside the distribution box can be analyzed, and hidden faults can be discovered in time to ensure the safety of electricity use.The positioning coordinates obtained by the GPS locator 38 can be transmitted to the user terminal through the programming controller 3. At the same time, the programming controller 3 can control the buzzer 39 to sound a buzzer alarm to remind the maintenance personnel of the specific location of the power distribution cabinet, thereby achieving the effect of remote positioning, so that when the power distribution box has an abnormal situation, it can help the maintenance personnel to find and troubleshoot the distribution cabinet in time.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An IoT smart distribution box for tunnel engineering, characterized in that: The utility model comprises a box body (1), a box door (2) and a programming controller (3), wherein the box door (2) is hinged on the front side of the box body (1), and the programming controller (3) is fixedly mounted on the front side of the box door (2). The box body (1) is provided with ventilation windows (4) on both left and right sides, and a ventilation and heat dissipation mechanism is arranged inside the ventilation windows (4). The top of the box body (1) is provided with a fire extinguishing mechanism. The bottom of the box body (1) is provided with a base (25), and locking universal wheels (26) are arranged at the four corners of the bottom of the base (25). A shock absorbing mechanism is arranged inside the base (25). The box body (1) is provided with a remote monitoring module for remotely monitoring various parameters of an electric meter therein, and the box body (1) is also provided with a positioning module for assisting maintenance personnel in discovering and troubleshooting abnormal conditions. The fire extinguishing mechanism comprises a gas storage tank (16), a sealing film (17), a piston plate (18), a membrane-breaking nail (19), an electromagnet (20), a silicon steel sheet (21), an air pressure sensor (22), an air pump (23) and a smoke sensor (24); two gas storage tanks (16) are fixedly mounted on the top of the box (1); the lower ends of the gas storage tanks (16) penetrate through the top wall of the box (1) and extend into the interior of the box (1); the sealing film (17) is fixedly mounted on the bottom surface of the gas storage tank (16); the piston plate (18) is slidably connected to the interior of the gas storage tank (16); the interior of the gas storage tank (16) is divided into two sealed cavities by the piston plate (18); the interior of the cavity located below the piston plate (18) is filled with an inert gas; the membrane-breaking nail (19) is fixedly mounted on the bottom of the piston plate (18); 9), the silicon steel sheet (21) is fixedly mounted on the top of the piston plate (18), the electromagnet (20) is fixedly mounted on the inner wall of the cavity located above the piston plate (18), the electromagnet (20) and the silicon steel sheet (21) are magnetically attracted to each other, the air pressure sensor (22) is fixedly mounted on the top of the gas storage tank (16), the air pump (23) is fixedly mounted on the top of the box (1), the air suction end of the air pump (23) extends into the interior of the box (1), and the air exhaust end of the air pump (23) extends into the interior of the cavity located above the piston plate (18), the smoke sensor (24) is fixedly mounted on the top of the box (1), and the electromagnet (20), the air pressure sensor (22), the air pump (23) and the smoke sensor (24) are all electrically connected to the programming controller (3); The shock absorbing mechanism comprises a shock absorbing plate (27), a sliding rod (28), a slider (29), a support rod (30) and a shock absorbing spring (31); the shock absorbing plate (27) is slidably connected inside the base (25); the box body (1) is fixedly mounted on the top of the shock absorbing plate (27); a sliding groove is provided at the bottom of the shock absorbing plate (27); the sliding rod (28) is fixedly mounted inside the sliding groove; two sliders (29) are symmetrically slidably connected to the sliding rod (28); the support rod (30) is hinged to the bottom surface of the slider (29); the bottom end of the support rod (30) is hinged to the inner bottom wall of the base (25); the shock absorbing spring (31) is sleeved on the sliding rod (28); and the slider (29) is elastically connected to the side wall of the sliding groove through the shock absorbing spring (31).

2. The IoT smart distribution box for tunnel engineering according to claim 1 is characterized in that: The ventilation and heat dissipation mechanism comprises a rotating shaft (5), a windshield (6), a synchronous wheel (7), a synchronous belt (8), a gear (9), an electric push rod (10), a rack (11), a temperature sensor (12) and a humidity sensor (13); a plurality of the rotating shafts (5) are rotatably mounted inside the ventilation window (4); each of the rotating shafts (5) is fixedly mounted with the windshield (6); the individual windshields (6) fit each other; one end of each rotating shaft (5) passes through the front side wall of the ventilation window (4) and extends to the outside and is fixedly mounted with the synchronous wheel (7); the synchronous wheel (7) is provided with the synchronous belt (8); The plurality of synchronous wheels (7) are driven by the synchronous belt (8), the gear (9) is fixedly mounted on the end of one of the rotating shafts (5), the electric push rod (10) is fixedly mounted on the front side wall of the ventilation window (4), the rack (11) is fixedly mounted on the telescopic end of the electric push rod (10), the rack (11) is meshingly connected with the gear (9), the temperature sensor (12) and the humidity sensor (13) are both mounted on the box door (2), and the electric push rod (10), the temperature sensor (12) and the humidity sensor (13) are all electrically connected to the programming controller (3).

3. The IoT smart distribution box for tunnel engineering according to claim 1 is characterized in that: A dustproof net (14) is fixedly installed inside the ventilation window (4), and a plurality of moisture-absorbing strips (15) are evenly distributed on the front side of the dustproof net (14).

4. The IoT smart distribution box for tunnel engineering according to claim 1 is characterized in that: First buffer pads (32) are installed on both left and right sides of the bottom of the shock absorbing plate (27), and two second buffer pads (33) are installed on the inner bottom wall of the base (25), the first buffer pad (32) and the second buffer pad (33) are vertically symmetrical, and the first buffer pad (32) and the second buffer pad (33) are both made of rubber.

5. The IoT smart distribution box for tunnel engineering according to claim 1 is characterized in that: The remote monitoring module comprises a panoramic camera (34), an LED lighting lamp (35), a voltage sensor (36) and a current sensor (37); a through opening is provided on the front of the box door (2); the panoramic camera (34) is fixedly mounted inside the through opening; a lens of the panoramic camera (34) is arranged toward the inside of the box body (1); there are two LED lighting lamps (35), both of which are mounted inside the box body (1); the voltage sensor (36) and the current sensor (37) are fixedly mounted on the inner wall at the back of the box body (1); and the panoramic camera (34), the LED lighting lamp (35), the voltage sensor (36) and the current sensor (37) are electrically connected to the programming controller (3).

6. The IoT smart distribution box for tunnel engineering according to claim 1 is characterized in that: The positioning module comprises a GPS locator (38) and a buzzer (39); the GPS locator (38) and the buzzer (39) are both fixedly mounted on the box door (2); and the GPS locator (38) and the buzzer (39) are both electrically connected to the programming controller (3).

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