Intelligent electric energy meter based on Internet of Things
By using inert gas extinguishing and fireproof cloth wrapping structure, combined with a motor drive system, the problem of rapid fire extinguishing when the electricity meter catches fire inside the electricity box is solved, achieving effective fire control and remote monitoring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHENZHEN HUTERY TECH CO LTD
- Filing Date
- 2026-01-16
- Publication Date
- 2026-04-28
AI Technical Summary
When a fire breaks out inside the power meter box, the existing power meter cannot be isolated and extinguished in time, leading to increased losses.
An IoT smart energy meter was designed, which adopts an inert gas fire extinguishing mechanism and a fireproof cloth wrapping structure. The inert gas is rapidly injected and the fireproof cloth is wrapped by a motor-driven belt transmission system, and is monitored in real time by a 5G monitoring camera.
It enables rapid fire suppression of electricity meters in the event of a fire, reducing losses, and provides remote monitoring and safety protection to prevent the fire from spreading.
Smart Images

Figure CN121933778A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of power facility technology, and in particular to an Internet of Things (IoT) smart energy meter. Background Technology
[0002] Patent CN223065386U discloses a modular energy meter that is easy to assemble and disassemble, including a meter housing and a snap-fit mounting component. The meter housing includes a lower housing and an upper housing snapped onto the lower housing. The snap-fit mounting component is located between the lower housing and the upper housing. This utility model can snap the upper and lower housings of the meter housing together with the snap-fit mounting component, without the need for bolts. This makes the meter housing very quick to assemble and disassemble, and does not require auxiliary tools.
[0003] In the existing technology, electricity meters are installed inside electricity boxes for use, and components such as air switches are often installed around the electricity meters. When the electricity meter or air switch inside the electricity box catches fire, the electricity meter fails to isolate the situation in time. Summary of the Invention
[0004] Therefore, the present invention provides an Internet of Things (IoT) smart energy meter to solve the above-mentioned technical problems.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: an Internet of Things (IoT) smart energy meter, comprising a base plate, with a connection hole at each of the four corners of the base plate, through which the base plate is installed in an external energy box via bolts; an energy meter body is fixedly connected to the base plate, and a display frame is provided on the energy meter body; a connecting plate is provided on the side wall of the energy meter body, and a drive motor is bolted to the bottom of the connecting plate; pulleys are rotatably connected to each of the four corners of the connecting plate, and four sets of pulleys are connected by belt drive; the center of one set of pulleys is fixedly connected to the output shaft of the drive motor; a control component is connected to the side of the belt; a wire-passing groove is provided through the lower end of the base plate, through which a cable connected to the energy meter body slides; a sliding groove is embedded in the surface of the base plate, and a sliding rod is slidably connected in the sliding groove; an electromagnet is connected to the side of the belt; one end of the sliding rod is connected to a fireproof cloth, and the other end of the fireproof cloth is connected to a winding drum; the winding drum is rotatably connected to the base plate via a torsion spring.
[0006] Preferably, the control component includes a receiving plate connected to the side wall of the belt. A first motor is fixedly connected to the side wall of the receiving plate. The output shaft of the first motor drives the connecting frame to rotate and connect with the side wall of the receiving plate. A second motor is bolted inside the connecting frame. The output shaft of the second motor drives the lead screw to rotate and connect with the connecting frame.
[0007] Preferably, a guide rod is fixedly connected to the connecting frame, and a contact plate is slidably connected to the outer wall of the guide rod, and the contact plate is threadedly connected to the lead screw.
[0008] Preferably, the contact plate is fixedly connected to one end of the electric push rod, the other end of the electric push rod is fixedly connected to the force-bearing frame, and a storage tank is bolted to the force-bearing frame, the storage tank containing high-pressure inert gas.
[0009] Preferably, a one-way valve is provided at the bottom of the storage tank, a valve is provided below the storage tank, and a wrapping component is fixedly connected to the bottom of the force-bearing frame.
[0010] Preferably, the packaging assembly includes an outer cylinder, which is fixedly connected to the force-bearing frame, and an inner cylinder is slidably connected inside the outer cylinder.
[0011] Preferably, the inner cylinder and the outer cylinder are connected by a return spring, and a third motor is bolted inside the outer cylinder.
[0012] Preferably, the output shaft of the third motor drives the rope drum to rotate inside the outer drum, and the outer surface of the rope drum is wound with a guide rope.
[0013] Preferably, the other end of the guide rope is fixedly connected to the inner cylinder, and the outer cylinder and inner cylinder are provided in two sets, forming a quadrilateral with an adjustable diameter.
[0014] Preferably, the outer surfaces of the two sets of outer and inner cylinders are connected with a wrapping cloth, and one end of the valve's air outlet passes through the wrapping cloth and is located inside the wrapping cloth.
[0015] The beneficial effects of this invention are: This invention uses a receiving plate to move the outer and inner cylinders. The electric push rod is controlled to adjust the height of the outer and inner cylinders through the force frame, so that they move to the front end of the air switch below the main body of the electricity meter. Then, the second motor is controlled to drive the lead screw to rotate, which moves the contact plate inward, thereby moving the outer and inner cylinders inward. Subsequently, the third motor is controlled to apply power to drive the rope drum to rotate. The rope drum winds up the guide rope, pulling the inner cylinder inward, so that the space between the two sets of inner and outer cylinders is reduced, thus wrapping the outer end of the air switch inside.
[0016] This invention allows inert gas from inside the storage tank to be transferred to the inside of the wrapping cloth by opening a valve, which increases the air pressure inside the wrapping cloth. The inert gas then permeates into the interior through the gap between the air switches and then expands outward, so that the surface and interior of the air switches are quickly filled with inert gas, which achieves a rapid fire extinguishing effect, effectively controls the spread of fire, and reduces the losses caused by the air switch catching fire. When a fire breaks out inside the electricity meter body, the first motor drives the connecting frame to rotate upwards, positioning the wrapping assembly at the front end of the electricity meter body. The electromagnet is energized to generate magnetic force, applying tension to the sliding rod. Simultaneously, the belt moves, causing the sliding rod to move and unfold the fireproof cloth. With the aid of the sliding groove, the fireproof cloth moves around the outer perimeter of the electricity meter body, enveloping it. The top of the sliding rod contacts the inner wall of the electricity box door, reducing gaps between the unfolded fireproof cloth and the meter body, improving the tightness of the wrapping. Subsequently, the valve opens, allowing inert gas from the storage tank to rapidly diffuse outwards into the space enclosed by the unfolded fireproof cloth, quickly filling the electricity meter body with inert gas for rapid fire suppression and preventing further fire spread. When a fire breaks out in an area inside the meter box, the unfolded fireproof cloth envelops the electricity meter body, preventing it from being affected by fires in other areas of the box and providing an effective protective barrier. This invention features a monitoring camera mounted on the load-bearing frame, enabling real-time imaging of the load-bearing frame area. The camera is equipped with a 5G transmission module, which can quickly transmit the captured content to an external control terminal via a 5G network. This allows users to view the actual situation of the area at any time, enabling remote monitoring of the electricity meter's operating environment and timely detection of potential safety hazards. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the structure of the present invention. Figure 3 ; Figure 4 This is a schematic diagram of the control component structure of the present invention. Figure 1 ; Figure 5 This is the invention Figure 4 Enlarged structural diagram at point A in the diagram; Figure 6 This is a schematic diagram of the control component structure of the present invention. Figure 2 ; Figure 7 This is a schematic diagram of the control component structure of the present invention. Figure 3 .
[0018] The components include: base plate-1, electricity meter body-2, display frame-3, connecting plate-4, drive motor-5, pulley-6, belt-7, control assembly-8, wire groove-9, slide groove-10, electromagnet-11, sliding rod-12, fireproof cloth-13, winding drum-14, receiving plate-81, first motor-82, connecting frame-83, second motor-84, lead screw-85, guide rod-86, contact plate-87, electric push rod-88, force-bearing frame-89, storage tank-810, one-way valve-811, valve-812, wrapping assembly-813, outer cylinder-8131, inner cylinder-8132, return spring-8133, third motor-8134, winding drum-8135, guide rope-8136, and wrapping cloth-8137. Detailed Implementation
[0019] To further explain the technical solution of the present invention, a detailed description is provided below through specific embodiments.
[0020] like Figure 1 As shown, the present invention provides an Internet of Things smart energy meter, including a base plate 1, with a connection hole at each of the four corners of the base plate 1, and the base plate 1 is installed in an external energy box through the connection holes and bolts. Among them, the base plate 1 is fixedly connected to the main body 2 of the electricity meter, and the main body 2 of the electricity meter is provided with a display frame 3, through which the electricity consumption data of the electricity meter can be observed; The main body 2 of the electricity meter has a connecting plate 4 on its side wall. A drive motor 5 is bolted to the bottom of the connecting plate 4. Pulleys 6 are rotatably connected to the four corners of the connecting plate 4. The four sets of pulleys 6 are connected by a belt 7. The center of one set of pulleys 6 is fixedly connected to the output shaft of the drive motor 5. The drive motor 5 drives the pulleys 6 to rotate, and the pulleys 6 drive the belt 7 to move.
[0021] like Figure 1-3 As shown in this embodiment, a control component 8 is connected to the side of the belt 7; Among them, a wire groove 9 is provided through the lower end of the base plate 1, and the cable connected to the main body 2 of the energy meter slides through the wire groove 9. The wire groove 9 is L-shaped. The base plate 1 has a groove 10 embedded in its surface. The groove 10 is U-shaped and surrounds the main body 2 of the electricity meter. A sliding rod 12 is slidably connected in the groove 10. An electromagnet 11 is connected to the side of the belt 7. The side wall of the sliding rod 12 is connected to one end of the fireproof cloth 13. A magnet is provided on the side wall of the sliding rod 12. The magnet attracts the electromagnet 11, which can drive the sliding rod 12 to move. The other end of the fireproof cloth 13 is connected to the winding drum 14. The winding drum 14 is rotatably connected to the base plate 1 by a torsion spring.
[0022] like Figure 4-7As shown in this embodiment, the control component 8 includes a receiving plate 81, which is connected to the side wall of the belt 7. The belt 7 drives the receiving plate 81 to move and adjust its position. A first motor 82 is fixedly connected to the side wall of the receiving plate 81. The first motor 82 drives the connecting frame 83 to rotate and adjust its angle. Among them, the output shaft of the first motor 82 drives the connecting frame 83 to rotate and connect with the side wall of the receiving plate 81. The second motor 84 is bolted inside the connecting frame 83. The output shaft of the second motor 84 drives the lead screw 85 to rotate and connect with the connecting frame 83. A guide rod 86 is fixedly connected to the connecting frame 83. Specifically, a contact plate 87 is slidably connected to the outer wall of the guide rod 86. The contact plate 87 is threadedly connected to the lead screw 85. The lead screw 85 drives the contact plate 87 to move, and the contact plate 87 drives the force-bearing frame 89 below to move. The contact plate 87 is fixedly connected to one end of the electric push rod 88. The electric push rod 88 drives the force-receiving frame 89 to move and adjust the height. The other end of the electric push rod 88 is fixedly connected to the force-receiving frame 89. Specifically, a storage tank 810 is bolted to the force-bearing frame 89. The storage tank 810 contains high-pressure inert gas. A one-way valve 811 is provided at the bottom of the storage tank 810. The one-way valve 811 is used to store the inert gas in the storage tank 810. Specifically, a valve 812 is provided below the storage tank 810, which can discharge the inert gas inside to the outside, and a wrapping component 813 is fixedly connected to the bottom of the force-bearing frame 89.
[0023] like Figure 4-7 As shown in this embodiment, a monitoring camera is provided on the force-bearing frame 89 to capture images of the area of the force-bearing frame 89. The camera is also equipped with a 5G transmission module to transmit the captured content to an external control terminal, allowing users to view the actual situation in the area. The packaging component 813 includes an outer cylinder 8131, which is fixedly connected to the force-bearing frame 89. An inner cylinder 8132 is slidably connected inside the outer cylinder 8131, and the inner cylinder 8132 is connected to the outer cylinder 8131 by a return spring 8133. Specifically, a third motor 8134 is bolted inside the outer cylinder 8131. The output shaft of the third motor 8134 drives the rope drum 8135 to rotate inside the outer cylinder 8131. A guide rope 8136 is wound on the outer surface of the rope drum 8135. Specifically, the other end of the guide rope 8136 is fixedly connected to the inner cylinder 8132. There are two sets of outer cylinder 8131 and inner cylinder 8132. The two sets of outer cylinder 8131 and inner cylinder 8132 form a quadrilateral with an adjustable diameter. Among them, the outer surfaces of the two sets of outer cylinders 8131 and inner cylinders 8132 are connected with wrapping cloth 8137. One end of the air outlet of valve 812 passes through the wrapping cloth 8137 and is located inside the wrapping cloth 8137. The wrapping cloth 8137 is elastic, so that the wrapping cloth 8137 can stretch and contract when the outer cylinders 8131 and inner cylinders 8132 are unfolded. The wrapping cloth 8137 is made of fireproof material.
[0024] This invention provides an Internet of Things (IoT) smart energy meter, the working principle of which is as follows; The electricity meter is installed inside the electricity box through the base plate 1. Then, the external cable is passed through the cable tray 9 and connected to the wiring port under the electricity meter body 2 to complete the installation of the electricity meter body 2. When in use, if the air switch or other components inside the meter box catch fire, the control drive motor 5 applies power to drive the pulley 6 to rotate. The pulley 6 drives the belt 7 to move. The belt 7 drives the support plate 81 connected to its side to move. The support plate 81 drives the outer cylinder 8131 and the inner cylinder 8132 to move. Then, the control electric push rod 88 drives the outer cylinder 8131 and the inner cylinder 8132 to adjust their height through the force frame 89, so that the outer cylinder 8131 and the inner cylinder 8132 move to the front end of the air switch below the main body 2 of the electricity meter. Then, the second motor 84 is controlled to drive the lead screw 85 to rotate. The lead screw 85 drives the contact plate 87 to move inward. The contact plate 87 drives the outer cylinder 8131 and the inner cylinder 8132 to move inward. Then, the third motor 8134 is controlled to apply power to drive the rope drum 8135 to rotate. The rope drum 8135 winds up the guide rope 8136. The guide rope 8136 applies power to pull the inner cylinder 8132 inward, so that the space formed between the two sets of inner cylinders 8132 and outer cylinders 8131 becomes smaller. The inner cylinders 8132 and outer cylinders 8131 wrap the outer end of the air switch inside. Then, the valve 812 is opened to transfer the inert gas inside the storage tank 810 to the inside of the wrapping cloth 8137, and increase the air pressure inside the wrapping cloth 8137. The inert gas permeates into the interior through the gap between the air switches and then expands outward, so that the surface and interior of the air switch are quickly filled with inert gas, achieving a rapid fire extinguishing effect. When a fire breaks out inside the main body 2 of the electricity meter, the first motor 82 is controlled to drive the connecting frame 83 to rotate upwards, so that the wrapping assembly 813 is located at the front end of the main body 2 of the electricity meter. Then, the electromagnet 11 is energized to generate magnetic force, which applies a pulling force to the sliding rod 12, controlling the belt 7 to move. The belt 7 drives the sliding rod 12 to move, and the sliding rod 12 pulls the fireproof cloth 13 to move and unfold. The fireproof cloth 13 moves around the outer peripheral wall of the main body 2 of the electricity meter with the assistance of the sliding groove 10, and wraps the main body 2 of the electricity meter inside. The top of the sliding rod 12 is in contact with the electricity meter. The inner wall of the box door contacts the fireproof cloth 13, reducing the gap between the space where the fireproof cloth 13 unfolds and wraps the main body 2 of the electricity meter. Then, the control valve 812 is opened, allowing the inert gas in the storage tank 810 to quickly diffuse outward into the space wrapped by the fireproof cloth 13, so that the main body 2 of the electricity meter is quickly filled with inert gas. Alternatively, if a fire breaks out in an area inside the meter box, the fireproof cloth 13 unfolds and wraps the main body 2 of the electricity meter to prevent the main body 2 of the electricity meter from being affected by the fire in other areas inside the electricity box. After use, the control components are restored to their original positions.
[0025] This invention uses a receiving plate 81 to move the outer cylinder 8131 and inner cylinder 8132. An electric push rod 88, via a force-bearing frame 89, adjusts the height of the outer cylinder 8131 and inner cylinder 8132, moving them to the front end of the air switch below the main body 2 of the electricity meter. Then, a second motor 84 drives a lead screw 85 to rotate, causing the contact plate 87 to move inward, which in turn moves the outer cylinder 8131 and inner cylinder 8132 inward. Subsequently, a third motor 8134 applies power to rotate a rope drum 8135, which winds up a guide rope 8136, pulling the inner cylinder 8132 inward. This reduces the space between the two sets of inner cylinders 8132 and the outer cylinder 8131, effectively enclosing the outer end of the air switch. This invention allows the inert gas inside the storage tank 810 to be transferred to the wrapping cloth 8137 by opening valve 812, thereby increasing the air pressure inside the wrapping cloth 8137. The inert gas then permeates into the interior through the gap between the air switches and expands outward, so that the surface and interior of the air switches are quickly filled with inert gas, which achieves a rapid fire extinguishing effect, effectively controls the spread of fire, and reduces the losses caused by the air switch catching fire. When a fire breaks out inside the main body 2 of the electricity meter, the first motor 82 is controlled to rotate the connecting frame 83 upwards, positioning the wrapping assembly 813 at the front end of the main body 2. The electromagnet 11 is energized to generate magnetic force, applying tension to the sliding rod 12. Simultaneously, the belt 7 is moved, causing the sliding rod 12 to move. The sliding rod 12 pulls the fireproof cloth 13, which unfolds and moves around the outer perimeter of the main body 2 with the assistance of the sliding groove 10, wrapping the main body 2 inside. Furthermore, the top of the sliding rod 12 contacts the inner wall of the upper door of the electricity box, reducing the fire risk. The fireproof cloth 13 expands to cover the gaps in the space between the main body of the electricity meter 2, improving the tightness of the wrapping. Then, the control valve 812 is opened, allowing the inert gas in the storage tank 810 to quickly diffuse outward into the space covered by the fireproof cloth 13. This allows the main body of the electricity meter 2 to be quickly filled with inert gas, achieving rapid fire extinguishing and preventing the fire from spreading further. When an area inside the meter box catches fire, the fireproof cloth 13 expands to cover the main body of the electricity meter 2, preventing the main body of the electricity meter 2 from being affected by the fire in other areas of the electricity box, and providing an effective protective barrier for the main body of the electricity meter 2. This invention features a monitoring camera mounted on the load-bearing frame 89, which can capture real-time images of the load-bearing frame area. The camera is equipped with a 5G transmission module, which can quickly transmit the captured content to an external control terminal via a 5G network. This allows users to view the actual situation of the area at any time, enabling remote monitoring of the electricity meter's operating environment and timely detection of potential safety hazards.
[0026] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An Internet of Things smart energy meter, including a base plate (1), with a connection hole at each of the four corners of the base plate (1), and the base plate (1) is installed in an external energy box through the connection holes and bolts; The base plate (1) is fixedly connected to the main body (2) of the energy meter, and the main body (2) of the energy meter is provided with a display frame (3). Its features are: The side wall of the main body (2) of the electricity meter is provided with a connecting plate (4). A drive motor (5) is bolted to the bottom of the connecting plate (4). Pulleys (6) are rotatably connected to the four corners of the connecting plate (4). The four sets of pulleys (6) are connected by belt (7). The center of one set of pulleys (6) is fixedly connected to the output shaft of the drive motor (5). The control component (8) is connected to the side of the belt (7); The bottom plate (1) is provided with a through groove (9) at the lower end. The cable connected to the main body (2) of the power meter slides through the through groove (9). The bottom plate (1) is provided with a sliding groove (10). A sliding rod (12) is slidably connected in the sliding groove (10). An electromagnet (11) is connected to the side of the belt (7). The side wall of the sliding rod (12) is connected to one end of the fireproof cloth (13). The other end of the fireproof cloth (13) is connected to the winding drum (14). The winding drum (14) is rotatably connected to the bottom plate (1) by a torsion spring.
2. The IoT smart energy meter according to claim 1, characterized in that: The control component (8) includes a receiving plate (81), which is connected to the side wall of the belt (7). A first motor (82) is fixedly connected to the side wall of the receiving plate (81). The output shaft of the first motor (82) drives the connecting frame (83) to rotate and connect with the side wall of the receiving plate (81). A second motor (84) is bolted inside the connecting frame (83). The output shaft of the second motor (84) drives the lead screw (85) to rotate and connect with the connecting frame (83).
3. The IoT smart energy meter according to claim 2, characterized in that: A guide rod (86) is fixedly connected to the connecting frame (83), and a contact plate (87) is slidably connected to the outer wall of the guide rod (86). The contact plate (87) is threadedly connected to the lead screw (85).
4. The IoT smart energy meter according to claim 3, characterized in that: The contact plate (87) is fixedly connected to one end of the electric push rod (88), and the other end of the electric push rod (88) is fixedly connected to the force frame (89). A storage tank (810) is bolted to the force frame (89), and the storage tank (810) stores high-pressure inert gas.
5. The IoT smart energy meter according to claim 4, characterized in that: The storage tank (810) is provided with a one-way valve (811) at the bottom, and a valve (812) is provided below the storage tank (810). The bottom of the force-bearing frame (89) is fixedly connected with a wrapping assembly (813).
6. The IoT smart energy meter according to claim 5, characterized in that: The packaging assembly (813) includes an outer cylinder (8131), which is fixedly connected to the force-bearing frame (89), and an inner cylinder (8132) is slidably connected inside the outer cylinder (8131).
7. The IoT smart energy meter according to claim 6, characterized in that: The inner cylinder (8132) and the outer cylinder (8131) are connected by a return spring (8133), and a third motor (8134) is bolted inside the outer cylinder (8131).
8. The IoT smart energy meter according to claim 7, characterized in that: The output shaft of the third motor (8134) drives the rope drum (8135) to rotate and connect with the inner drum (8131). The outer surface of the rope drum (8135) is wound with a guide rope (8136).
9. The Internet of Things smart energy meter according to claim 8, characterized in that: The other end of the guide rope (8136) is fixedly connected to the inner cylinder (8132). The outer cylinder (8131) and the inner cylinder (8132) are provided in two sets. The two sets of outer cylinder (8131) and inner cylinder (8132) form a quadrilateral with an adjustable diameter.
10. The Internet of Things smart energy meter according to claim 6, characterized in that: The outer surfaces of the two sets of outer cylinders (8131) and inner cylinders (8132) are connected with wrapping cloth (8137), and one end of the air outlet of the valve (812) passes through the wrapping cloth (8137) and is located inside the wrapping cloth (8137).
Citation Information
Patent Citations
Combined electric energy meter convenient to disassemble and assemble
CN223065386U