Intelligent water and electricity meter protection device
By introducing flame sensors and fire extinguishing components into the meter protection box, the problem of the lack of fire extinguishing function in the meter protection box is solved, enabling rapid extinguishing of flames and prevention of flame spread, thus improving the safety of the meter.
Patent Information
- Application Number
- CN202520333035.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-28
AI Technical Summary
The existing meter protection boxes lack fire extinguishing functions, which may cause fires due to aging components and short circuits, thus affecting safety.
A smart water and electricity meter protection device was designed, which includes a flame sensor and a fire extinguishing component. After the flame sensor detects a flame, the fire extinguishing component is activated, which cuts the powder pack to release fire extinguishing powder and seals the heat dissipation vent to prevent the flame from spreading.
It effectively extinguishes internal flames, reduces the risk of fire, and improves the safety and practicality of the meter.
Smart Images

Figure CN223741619U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of water and electricity meter, and relates to an intelligent water and electricity meter protection device. BACKGROUND
[0002] Water and electricity meter is a national compulsory measurement instrument, can monitor water and electricity use in real time, and upload data to relevant system, wherein water and electricity meter is divided into water meter and electricity meter, and the electricity meter is the abbreviation of electric energy meter, is used for measuring electric energy meter, also called electric meter, fire meter, electric energy meter, kilowatt hour meter, and the meter for measuring various electrical quantities, and the function of the electric meter is great, which greatly meets different social needs, and the protection of the electric meter is mostly achieved through the external electric meter box.
[0003] It is found that the following technical problems exist in the prior art: the inside of most of the existing electric meter protection boxes does not have a fire extinguishing function, and in the long-term use of the electric meter, the internal components may occasionally age and cause short circuit and fire, if the fire cannot be controlled in time, the flame will spread, causing more serious fire, and seriously affecting safety. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem that the inside of most of the existing electric meter protection boxes does not have a fire extinguishing function, and in the long-term use of the electric meter, the internal components may occasionally age and cause short circuit and fire, if the fire cannot be controlled in time, the flame will spread, causing more serious fire, and seriously affecting safety.
[0005] The utility model contents the intelligent water and electricity meter protection device, including the protection box, the inside one side of protection box is fixed with the fixed plate, the side away from the protection box of fixed plate is provided with the water and electricity meter main part, the position between water and electricity meter main part and fixed plate is provided with the connecting assembly, water and electricity meter main part and fixed plate are connected through the connecting assembly, the inside top of protection box is provided with the fire extinguishing assembly, the fire extinguishing assembly includes the installation box, the lower end of installation box is fixed with the flame inductor, the inside top of protection box and located between installation box position are evenly provided with a plurality of fixed slide rods, both ends of a plurality of fixed slide rods are fixedly connected with installation box and protection box, the top position of fixed slide rod is provided with the powder bag, the outside of fixed slide rod and the position corresponding with powder bag is provided with the cutting assembly, the one end of protection box near the flame inductor is provided with the heat dissipation opening.
[0006] The cutting assembly comprises connecting frames arranged outside the fixed slide rods, the connecting frames are in sliding connection with the fixed slide rods, drive screws are arranged at the middle positions of the plurality of fixed slide rods, one end of each drive screw is in rotational connection with the protection box, the other end of each drive screw extends to the inside of the mounting box, the drive screws are in threaded connection with the connecting frames, connecting rods are arranged at the positions between two adjacent connecting frames, both ends of each connecting rod are fixedly connected with two adjacent connecting frames respectively, and cutting blades are fixed to the outside of the connecting rods.
[0007] A drive motor is fixed to the inside of the mounting box, the output end of the drive motor is fixedly connected with the drive screws, and drive gears are fixed to the outside of one end of each drive screw close to the drive motor.
[0008] A transmission rod is rotationally connected to the inside of the mounting box above the drive motor, a driven gear is fixed to the position corresponding to the drive gear of the transmission rod, the driven gear is in meshing connection with the drive gear, the other end of the transmission rod extends to the inside of the protection box, a transmission gear is fixed to the end of the transmission rod away from the driven gear, a moving frame is in sliding connection with the inside of the protection box at the position corresponding to the transmission gear, a transmission rack is fixed to the inside of the moving frame, the transmission rack is in meshing connection with the transmission gear, a sealing plate is fixed to the lower end of the moving frame, and the sealing plate is in sliding connection with the protection box.
[0009] The connecting assembly comprises a connecting plate fixed to the side of the water meter body close to the fixed plate, positioning pegs are fixed to the four end corners of the side of the fixed plate close to the connecting plate, positioning holes are formed in the positions of the connecting plate corresponding to the positioning pegs, and the connecting plate is connected with the fixed plate through the positioning holes and the positioning pegs.
[0010] The connecting assembly further comprises two limiting frames, the two limiting frames are symmetrically arranged at the upper and lower ends of the connecting plate, clamping plates are arranged on the inside of the limiting frames, clamping screws are in threaded connection with the sides of the limiting frames away from the clamping plates, one end of each clamping screw is in rotational connection with the clamping plate, the other end of each clamping screw is fixedly connected with an adjusting knob, and limiting holes are arranged at the positions of both ends of the clamping plate corresponding to the positioning pegs.
[0011] Compared with the prior art, the device has the advantages that: through the cooperation between the fire extinguishing assembly and the flame sensor, when the flame sensor detects that the flame occurs inside the protection box, the fire extinguishing assembly can be started, the cutting assembly can cut the lower end of the powder bag, the fire extinguishing powder inside the powder bag can fall into the protection box, the heat can be extinguished, the heat dissipation opening can be closed, the external oxygen can be isolated, the spread of the heat is effectively reduced, and the practicability of the device is improved.
[0012] Through the structural design of the connecting assembly, when the water meter main body needs to be disassembled and replaced, the water meter main body can be disassembled or installed without the aid of external tools, effectively improving the working efficiency of installation and disassembly. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is the overall structure schematic diagram of the utility model.
[0014] Figure 2 is the structure schematic diagram of the fire extinguishing assembly in the utility model.
[0015] Figure 3 is the structure schematic diagram of the sealing plate and the transmission gear in the utility model.
[0016] Figure 4 is the structure schematic diagram of the flame sensor in the utility model.
[0017] Figure 5 is the structure schematic diagram of the connecting assembly in the utility model.
[0018] In the drawing: 1, protective box; 2, water meter main body; 3, fixed plate; 4, connecting plate; 5, powder bag; 6, installation box; 7, flame sensor; 8, heat dissipation port; 9, connecting frame; 10, fixed slide rod; 11, drive motor; 12, drive screw; 13, connecting rod; 14, cutting blade; 15, drive gear; 16, driven gear; 17, transmission rod; 18, transmission gear; 19, moving frame; 20, transmission rack; 21, sealing plate; 22, positioning bolt; 23, limiting frame; 24, clamping plate; 25, clamping screw; 26, adjusting knob; 27, positioning hole. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples.It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0020] It should be noted that, in the case of no conflict, the examples in the utility model and the features and technical solutions in the examples can be combined with each other.
[0021] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. Example 1
[0022] As Figures 1-5As shown, including the protection box 1, the inside of the protection box 1 is fixed with the fixed plate 3, the side away from the protection box 1 of the fixed plate 3 is provided with the water and electricity meter body 2, the position between the water and electricity meter body 2 and the fixed plate 3 is provided with the connecting assembly, the water and electricity meter body 2 and the fixed plate 3 are connected through the connecting assembly, the inside top end of the protection box 1 is provided with the fire extinguishing assembly, the fire extinguishing assembly includes the installation box 6, in order to facilitate the fire inside the protection box 1 to be monitored, the lower end of the installation box 6 is fixed with the flame sensor 7, the inside top end of the protection box 1 and between the installation box 6 are uniformly provided with a plurality of fixed slide rods 10, the two ends of the plurality of fixed slide rods 10 are fixedly connected with the installation box 6 and the protection box 1, the top end position of the fixed slide rod 10 is provided with the powder bag 5, in order to facilitate the powder bag 5 to be cut, the outside of the fixed slide rod 10 and the position corresponding to the powder bag 5 is provided with the cutting assembly, the end of the protection box 1 close to the flame sensor 7 is provided with the heat dissipation opening 8.
[0023] Through the cooperation structure design of the fire extinguishing assembly and the flame sensor 7, when the flame sensor 7 detects that the flame occurs inside the protection box 1, the fire extinguishing assembly can be started, the cutting assembly cuts the lower end of the powder bag 5, the fire extinguishing powder inside the powder bag 5 falls into the protection box 1, so that the fire is extinguished, at the same time, the heat dissipation opening 8 can be closed, so that the external oxygen is isolated from entering, effectively reducing the spread of the fire, and improving the practicality of the device. Embodiment 2
[0024] As shown in Figures 2-4 The cutting assembly includes the connecting frame 9, the connecting frame 9 is arranged on the outside of the fixed slide rod 10, the connecting frame 9 is in sliding connection with the fixed slide rod 10, in order to facilitate the movement of the connecting frame 9, the middle position of the plurality of fixed slide rods 10 is provided with the driving screw 12, one end of the driving screw 12 is in rotary connection with the protection box 1, the other end of the driving screw 12 extends to the inside of the installation box 6, the driving screw 12 is in screw connection with the connecting frame 9, the position between the adjacent two connecting frames 9 is provided with the connecting rod 13, the two ends of the connecting rod 13 are fixedly connected with the two adjacent connecting frames 9, in order to facilitate the outer skin of the powder bag 5 to be cut when the connecting frame 9 moves, the connecting rod 13 is fixedly provided with the cutting blade 14 on the outside; the inside of the installation box 6 is fixedly provided with the driving motor 11, the output end of the driving motor 11 is fixedly connected with the driving screw 12, the end of the driving screw 12 close to the driving motor 11 is fixedly provided with the driving gear 15 on the outside.
[0025] A transmission rod 17 is rotatably connected to the inside of the mounting box 6 and above the drive motor 11. To facilitate the rotation of the transmission rod 17 when the drive gear 15 rotates, a driven gear 16 is fixed at the position corresponding to the drive gear 15. The driven gear 16 meshes with the drive gear 15. The other end of the transmission rod 17 extends to the inside of the protective box 1. A transmission gear 18 is fixed at the end of the transmission rod 17 away from the driven gear 16. A movable frame 19 is slidably connected to the inside of the protective box 1 and at the position corresponding to the transmission gear 18. A transmission rack 20 is fixed to the inside of the movable frame 19 and meshes with the transmission gear 18. To facilitate the sealing of the heat dissipation vent 8 when the movable frame 19 moves, a sealing plate 21 is fixed to the lower end of the movable frame 19. The sealing plate 21 is slidably connected to the protective box 1.
[0026] When the flame sensor 7 detects a fire inside the protective box 1, it first sends a start signal to the drive motor 11, causing the drive motor 11 to drive the drive gear 15 and the drive screw 12 to rotate simultaneously. When the drive screw 12 rotates, it drives the connecting frame 9 and the connecting rod 13 to move along the axial direction of the drive screw 12. When the connecting rod 13 moves, it cuts open the outer skin of the powder bag 5 through the cutting blade 14, so that the powder inside the powder bag 5 falls into the protective box 1 to extinguish the fire inside the protective box 1. At the same time, when the drive gear 15 rotates, it drives the transmission rod 17 to rotate through the driven gear 16 meshing with it. When the transmission rod 17 rotates, it drives the transmission rack 20 meshing with the transmission gear 18 to move the moving frame 19. When the moving frame 19 moves, it drives the sealing plate 21 to move towards the heat dissipation vent 8, so that the heat dissipation vent 8 is sealed by the movement of the sealing plate 21, thereby reducing the entry of external oxygen into the protective box 1 and reducing the spread of the fire. Example 3
[0027] like Figure 5 As shown, the connecting assembly includes a connecting plate 4, which is fixed to the side of the water meter body 2 near the fixing plate 3. To facilitate the positioning of the connecting plate 4, positioning bolts 22 are fixed at the four corners of the side of the fixing plate 3 near the connecting plate 4. Positioning holes 27 are provided at the positions corresponding to the positioning bolts 22 on the connecting plate 4. The connecting plate 4 is connected to the fixing plate 3 through the positioning holes 27 and the positioning bolts 22.
[0028] The connecting assembly further comprises two limiting racks 23, which are symmetrically arranged at upper and lower ends of the connecting plate 4 respectively, in order to conveniently limit the connecting plate 4 and the fixed plate 3, the inner side of the limiting rack 23 is provided with a clamping plate 24, the side of the limiting rack 23 away from the clamping plate 24 is threadedly connected with a clamping screw rod 25, one end of the clamping screw rod 25 is rotationally connected with the clamping plate 24, the other end of the clamping screw rod 25 is fixedly provided with an adjusting knob 26, and the both ends of the clamping plate 24 and the positions corresponding to the positioning pins 22 are provided with limiting holes.
[0029] When it is needed to install the water meter main body 2, firstly, the water meter main body 2 and the connecting plate 4 are connected through the positioning holes 27 and the positioning pins 22, then the limiting racks 23 are moved to positions where the fixed plate 3 and the connecting plate 4 are located between the clamping plates 24 and the limiting racks 23, the positions of the limiting racks 23 are adjusted so that the limiting holes correspond to the positioning pins 22, then the adjusting knob 26 is rotated to drive the clamping screw rod 25 to rotate, the clamping screw rod 25 drives the clamping plate 24 to move towards the connecting plate 4 when rotating, thereby limiting the fixed plate 3 and the connecting plate 4 through the clamping plate 24, and the installation of the water meter main body 2 is completed.
[0030] In the utility model, the description of the structure direction and relative position relation, such as the description of front, back, left, right, up and down, does not constitute the limitation of the utility model, and is only convenient for description.
Claims
1. A smart water meter protection device, characterized by: The utility model provides an improved water and electricity meter protection box, which comprises a protection box (1), a fixed plate (3) fixed to one side of the inside of the protection box (1), a water and electricity meter body (2) arranged on the side of the fixed plate (3) away from the protection box (1), a connecting assembly arranged between the water and electricity meter body (2) and the fixed plate (3), the water and electricity meter body (2) and the fixed plate (3) being connected through the connecting assembly, a fire extinguishing assembly arranged at the top end of the inside of the protection box (1), the fire extinguishing assembly comprising a mounting box (6), a flame sensor (7) fixed to the lower end of the mounting box (6), a plurality of fixed slide rods (10) evenly arranged at the inside of the top end of the protection box (1) and between the mounting boxes (6), the two ends of the plurality of fixed slide rods (10) being fixedly connected with the mounting boxes (6) and the protection box (1) respectively, a powder bag (5) arranged at the top end position of the fixed slide rod (10), a cutting assembly arranged at the outside of the fixed slide rod (10) and corresponding to the powder bag (5), and a heat dissipation opening (8) formed at one end of the protection box (1) close to the flame sensor (7).
2. The smart water meter protection device of claim 1, wherein: The cutting assembly comprises a connecting frame (9) arranged on the outside of the fixed slide rod (10), the connecting frame (9) being in sliding connection with the fixed slide rod (10), a drive screw (12) arranged at the middle position of the plurality of fixed slide rods (10), one end of the drive screw (12) being in rotary connection with the protection box (1), the other end of the drive screw (12) extending to the inside of the mounting box (6), the drive screw (12) being in screw connection with the connecting frame (9), a connecting rod (13) arranged between the two adjacent connecting frames (9), the two ends of the connecting rod (13) being fixedly connected with the two adjacent connecting frames (9) respectively, and a cutting blade (14) fixed to the outside of the connecting rod (13).
3. The smart water meter protection device of claim 2, wherein: The inside of the mounting box (6) is fixedly connected with a drive motor (11), the output end of the drive motor (11) is fixedly connected with the drive screw (12), and the end of the drive screw (12) close to the drive motor (11) is fixedly connected with a drive gear (15).
4. The smart water meter protection device of claim 3, wherein: The inside of the mounting box (6) is rotatably connected with a transmission rod (17) above the drive motor (11), the transmission rod (17) is fixedly connected with a driven gear (16) corresponding to the drive gear (15), the driven gear (16) is in meshing connection with the drive gear (15), the other end of the transmission rod (17) extends to the inside of the protection box (1), the end of the transmission rod (17) away from the driven gear (16) is fixedly connected with a transmission gear (18), the inside of the protection box (1) is slidably connected with a moving frame (19) corresponding to the transmission gear (18), the inside of the moving frame (19) is fixedly connected with a transmission rack (20), the transmission rack (20) is in meshing connection with the transmission gear (18), the lower end of the moving frame (19) is fixedly connected with a sealing plate (21), and the sealing plate (21) is in sliding connection with the protection box (1).
5. The smart water meter protection device of claim 1, wherein: The connecting assembly comprises a connecting plate (4) fixed at one side of the water meter body (2) close to the fixed plate (3), four end corners of the fixed plate (3) close to the connecting plate (4) are fixed with positioning pegs (22), and the connecting plate (4) is provided with positioning holes (27) corresponding to the positioning pegs (22).
6. The smart water meter protection device of claim 5, wherein: The connecting assembly further comprises two limiting racks (23) symmetrically arranged at the upper and lower ends of the connecting plate (4), the inner side of the limiting rack (23) is provided with a clamping plate (24), one side of the limiting rack (23) away from the clamping plate (24) is threadedly connected with a clamping screw rod (25), one end of the clamping screw rod (25) is rotatably connected with the clamping plate (24), the other end of the clamping screw rod (25) is fixed with an adjusting knob (26), and the both ends of the clamping plate (24) and the positions corresponding to the positioning pegs (22) are provided with limiting holes.