Electric energy meter with waterproof function

Abstract

This application relates to a waterproof electricity meter, belonging to the field of electricity meters. It includes an outer casing, a cover, and an electricity meter body. The outer casing has an opening at the front, and the electricity meter body is installed and fixed inside the outer casing. The cover is assembled at the opening of the outer casing, and the cover includes a cover frame. A sealing frame strip is fixed inside the outer casing on one side of the opening, and a lifting rod is horizontally fixed on the opening end face of the outer casing. A pressure ring is slidably fitted onto the outside of the lifting rod. One end of the cover frame is inserted and pressed against the inner wall of the sealing frame strip, and a glass plate is fixed through the outer side of the cover. Through holes are opened on both sides of the cover, and the through holes cooperate with the pressure ring. This application uses a sealing frame to seal the gap between the upper and lower casings, increasing the overall waterproofness of the electricity meter body. Simultaneously, the outer casing and the cover form a waterproof protective shell on the electricity meter body, improving the waterproofness and service life of the electricity meter body.

Description

Technical Field

[0001] This application relates to the technical field of electricity meters, and in particular to an electricity meter with waterproof function. Background Technology

[0002] An electricity meter, also known as an energy meter or watt-hour meter, is an instrument used to measure the electrical energy consumed by electrical equipment within a certain period of time. It is one of the most basic and important devices in the power metering system and is widely used in households, industrial and commercial facilities, and power systems for electricity billing, energy consumption management, and energy saving analysis.

[0003] The existing announcement number CN204882658U, entitled "A Waterproof Structure for an Electricity Meter," includes a bottom shell and a first cover. The lower part of the bottom shell is connected to the first cover. A flat plate is located behind the bottom shell, and a cavity is provided between the flat plate and the bottom shell. Multiple openings for water outflow are also provided at the bottom of the flat plate, and these openings communicate with the cavity. A second cover is slidably fitted onto the upper part of the bottom shell. The second cover abuts against the flat plate and is connected to the bottom shell. This waterproof structure for the electricity meter can prevent rainwater and snowmelt from entering the electricity meter through the gap at the connection between the upper part of the bottom shell and the upper part of the cover.

[0004] Regarding the aforementioned technologies, the inventors discovered that the waterproofing of the electricity meter utilizes openings on the casing to drain water that has entered the meter. While the flow channels on the outer casing can guide water outwards, gaps may remain on the outer casing during the sealed assembly of the bottom and top shells. Water falling onto the meter can then seep into the meter, accelerating the aging and corrosion of the wiring and affecting the meter's lifespan. Utility Model Content

[0005] In order to overcome the problem that during the sealing assembly of existing electricity meters, there are installation gaps on the outer casing of the electricity meter, which allows water falling on the electricity meter to seep into the inside of the meter, leading to accelerated aging and corrosion of the circuits and affecting the service life of the electricity meter, this application provides an electricity meter with waterproof function.

[0006] The waterproof energy meter provided in this application adopts the following technical solution:

[0007] A waterproof electricity meter includes an outer casing, a cover, and an electricity meter body. The outer casing has an opening at the front, and the electricity meter body is installed and fixed inside the outer casing. The cover is assembled at the opening of the outer casing, and the cover includes a cover frame. A sealing frame strip is fixed inside the outer casing on one side of the opening, and a lifting rod is horizontally fixed on the opening end face of the outer casing. A pressure ring is slidably fitted on the outside of the lifting rod. One end of the cover frame is inserted and pressed against the inner wall of the sealing frame strip, and a glass plate is fixed through the outer side of the cover. Through holes are opened on both sides of the cover, and the through holes cooperate with the pressure ring. The electricity meter body includes an upper casing, a lower casing, and a sealing filler frame. A sealing filler frame is provided at the mating ends of the upper casing and the lower casing, and the sealing filler frame is used to seal the mating gap between the upper casing and the lower casing.

[0008] By adopting the above technical solution, during the assembly of the electricity meter body, in order to increase the sealing performance of the upper and lower protective shells during assembly, a sealing filler frame is installed between the upper and lower protective shells to seal the gap between them, thereby increasing the overall waterproof performance of the electricity meter body. Then, the electricity meter body is fixed to the inner bottom surface of the outer casing. Next, the cover frame in the cover is inserted into the opening of the outer casing, allowing the pressure ring on the lifting rod to pass through the through hole in the cover frame. Then, the pressure ring on the lifting rod is rotated to press against the top surface of the cover, thereby utilizing the bottom of the cover frame to insert into the sealing frame strip. The bottom of the cover frame presses against the deformation of the sealing frame strip, ensuring the sealing performance of the cover and the outer casing assembly, and ensuring the sealing performance of the outer casing and the cover assembly. The sealing filler frame seals the gap between the upper and lower protective shells, increasing the overall waterproof performance of the electricity meter body. Simultaneously, the outer casing and the cover form a waterproof protective shell on the electricity meter body, improving the waterproof performance and service life of the electricity meter body.

[0009] Optionally, a downward pressure spring is vertically sleeved on the outside of the lifting rod, with the top end of the downward pressure spring fixed to the end of the lifting rod and the bottom end of the downward pressure spring rotatably connected to the pressure ring.

[0010] By adopting the above technical solution, in order to ensure the sealing of the cover in the outer protective box assembly, the deformation force of the downward spring is used to push the pressure ring to slide vertically on the lifting rod. The pressure ring presses against the cover in the outer protective box, thus ensuring the sealing of the cover in the outer protective box assembly.

[0011] Optionally, both sides of the outer wall of the outer casing are fixed with mounting screw plates, and the mounting screw plates are assembled by mounting screws.

[0012] By adopting the above technical solution, the fixing screw holes on both sides of the outer wall of the outer protective box are fixed and assembled by mounting screws, which is used to fix the outer protective box in the installation position.

[0013] Optionally, both the upper and lower protective shells have through-holes at their bottoms, and the upper and lower protective shells are assembled by screws threaded through the through-holes.

[0014] By adopting the above technical solution, the assembly screw holes on the upper and lower protective shells are assembled together by fixing screw threads, ensuring the effectiveness of the assembly of the upper and lower protective shells.

[0015] Optionally, a rubber sealing recess is horizontally fixed in the middle of the outer wall of the sealing frame, and a slot is provided on both the upper and lower horizontal end faces of the sealing recess.

[0016] By adopting the above technical solution, a rubber sealing recess fixed to the outer wall of the sealing filler frame is used to seal the joint between the upper and lower protective shells, thereby improving the overall waterproofness of the electricity meter body.

[0017] Optionally, both the upper and lower protective shells have horizontally fixed protruding strips on their open end faces, and the protruding strips engage with the grooves on the sealing recess.

[0018] By adopting the above technical solution, the protruding strips on the upper and lower protective shells engage with the slots on the sealing frame, and the protruding strips press against the slots, ensuring the sealing performance of the upper and lower protective shells.

[0019] Optionally, a spring frame is horizontally provided inside the sealing frame, and a locking bolt is horizontally installed through the inner wall of the spring frame.

[0020] By adopting the above technical solution, the elastic frame set inside the sealing filler frame is installed through the locking bolts, and is used to assemble the sealing filler frame inside the upper or lower protective shell.

[0021] Optionally, both the upper and lower protective shells have horizontally formed threaded grooves on their inner walls, and these grooves are threadedly connected to the locking bolts.

[0022] By adopting the above technical solution, the screw grooves of the upper and lower protective shells are connected to the locking bolts by thread assembly, and the elastic frame is used to press and fix the sealing filler frame on the inner wall of the upper or lower protective shell.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] During the assembly of the electricity meter body, in order to increase the sealing of the upper and lower protective shells during assembly, a sealing filler frame is installed between the mating seams of the upper and lower protective shells to seal the gaps and increase the overall waterproofness of the electricity meter body. Then, the electricity meter body is fixed to the inner bottom surface of the outer protective box. Next, the cover frame in the cover is inserted into the opening of the outer protective box, so that the pressure ring on the lifting rod passes through the through hole of the cover frame. Then, the pressure ring on the lifting rod is rotated to press against the top surface of the cover, thereby utilizing the bottom of the cover frame to insert into the sealing frame strip. The bottom of the cover frame presses against the sealing frame strip and deforms, ensuring the sealing of the cover and the outer protective box assembly. The sealing filler frame seals the gaps between the upper and lower protective shells, increasing the overall waterproofness of the electricity meter body. At the same time, the outer protective box and the cover form a waterproof protective shell on the electricity meter body, improving the waterproofness of the electricity meter body and its service life. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0026] Figure 2 This is a schematic diagram of the overall structure of the embodiment of this application in an exploded state;

[0027] Figure 3 This is a schematic diagram of the structure of the electricity meter body in the disassembled state according to an embodiment of this application;

[0028] Figure 4 This is a schematic diagram of the structure of the sealing filler frame in the disassembled state according to an embodiment of this application;

[0029] Figure 5 This is a schematic diagram of the outer protective box in the disassembled state according to an embodiment of this application.

[0030] Explanation of reference numerals in the attached drawings: 1. Outer protective box; 11. Sealing frame strip; 12. Lifting rod; 13. Pressure ring; 14. Downward pressure spring; 15. Fixing screw hole plate; 151. Mounting screw; 2. Protective cover; 21. Cover frame; 22. Through hole; 23. Glass plate; 3. Electricity meter body; 31. Upper protective shell; 32. Lower protective shell; 33. Assembly screw hole; 34. Fixing screw; 35. Locking protrusion strip; 36. Sealing filler frame; 37. Sealing recess frame; 371. Locking groove; 38. Elastic frame; 39. Locking bolt. Detailed Implementation

[0031] The present application will be further described in detail below with reference to the accompanying drawings.

[0032] This application discloses a waterproof electricity meter. (See also...) Figure 1 , Figure 2 , Figure 3 and Figure 5A waterproof electricity meter includes an outer casing 1, a cover 2, and an electricity meter body 3. The outer casing 1 has an opening at the front, and the electricity meter body 3 is installed and fixed inside the outer casing 1. The cover 2 is assembled at the opening of the outer casing 1, and the cover 2 includes a cover frame 21. A sealing frame strip 11 is fixed inside the outer casing 1 on one side of the opening, and a lifting rod 12 is horizontally fixed on the opening end face of the outer casing 1. A pressure ring is slidably sleeved on the outside of the lifting rod 12. 13. One end of the cover frame 21 is inserted and pressed against the inner wall of the sealing frame strip 11, and a glass plate 23 is fixed through the outer side of the cover 2. Both sides of the cover 2 are provided with through holes 22, and the through holes 22 cooperate with the pressure ring 13. The electricity meter body 3 includes an upper protective shell 31, a lower protective shell 32 and a sealing frame 36. The upper protective shell 31 and the lower protective shell 32 are provided with sealing frames 36 at their mating ends, and the sealing frames 36 are used to seal the mating gap between the upper protective shell 31 and the lower protective shell 32. During the assembly of the electricity meter body 3, in order to increase the sealing of the upper protective shell 31 and the lower protective shell 32 during assembly, a sealing filler frame 36 is installed between the mating seams of the upper protective shell 31 and the lower protective shell 32 to seal the gaps and increase the overall waterproofness of the electricity meter body 3. Then, the electricity meter body 3 is fixed to the inner bottom surface of the outer protective box 1. Then, the cover frame 21 in the cover 2 is inserted into the opening of the outer protective box 1, so that the pressure ring 13 on the lifting rod 12 passes through the through hole 22 of the cover frame 21. Then, the lifting rod is rotated and pulled. The pressure ring 13 on the rod 12 presses against the top surface of the cover 2, thereby utilizing the bottom of the cover frame 21 inserted into the sealing frame strip 11. The bottom of the cover frame 21 presses against the sealing frame strip 11 and deforms, ensuring the sealing performance of the cover 2 and the outer protective box 1, and ensuring the sealing performance of the outer protective box 1 and the cover 2 during assembly. The sealing filler frame 36 seals the gap between the upper protective shell 31 and the lower protective shell 32, increasing the overall waterproof performance of the electricity meter body 3. At the same time, the outer protective box 1 and the cover 2 form a waterproof protective shell on the electricity meter body 3, improving the waterproof performance of the electricity meter body 3 and the service life of the electricity meter body 3.

[0033] Reference Figure 5 A downward pressure spring 14 is vertically sleeved on the outside of the lifting rod 12, and the top end of the downward pressure spring 14 is fixed to the end of the lifting rod 12, while the bottom end of the downward pressure spring 14 is rotatably connected to the pressure ring 13.

[0034] To ensure the airtightness of the cover 2 when assembled with the outer protective box 1, the deformation force of the downward spring 14 is used to push the pressure ring 13 to slide vertically on the lifting rod 12. The pressure ring 13 presses the cover 2 onto the outer protective box 1, thus ensuring the airtightness of the cover 2 when assembled with the outer protective box 1.

[0035] Reference Figure 5Both sides of the outer wall of the outer protective box 1 are fixed with fixing screw plates 15, and the fixing screw plates 15 are fixedly assembled by mounting screws 151. The fixing screw plates 15 on both sides of the outer wall of the outer protective box 1 are fixedly assembled by mounting screws 151 to fix the outer protective box 1 in the installation position.

[0036] Reference Figure 3 and Figure 4 Both the upper casing 31 and the lower casing 32 have through-holes 33 at their bottoms, and are assembled by screws 34 threaded through these holes. The screws 34 on the upper casing 31 and the lower casing 32 are threaded together, ensuring the effective assembly of the two casings. A rubber sealing recess 37 is horizontally fixed to the middle of the outer wall of the sealing frame 36, and grooves 371 are provided on both the upper and lower horizontal end faces of the sealing recess 37. The rubber sealing recess 37 fixed to the outer wall of the sealing frame 36 seals the seam between the upper casing 31 and the lower casing 32, improving the overall waterproofness of the meter body 3. A protruding strip 35 is horizontally fixed to the open end face of both the upper casing 31 and the lower casing 32, and engages with the grooves 371 on the sealing recess 37. The locking protrusions 35 on the upper housing 31 and the lower housing 32 engage with the locking grooves 371 on the sealing frame 37, with the locking protrusions 35 pressing against the grooves 371 to ensure the sealing performance of the upper housing 31 and the lower housing 32. A spring frame 38 is horizontally arranged inside the sealing frame 36, and a locking bolt 39 is horizontally installed through the inner wall of the spring frame 38. The spring frame 38 inside the sealing frame 36, through the locking bolt 39, is used to assemble the sealing frame 36 inside the upper housing 31 or the lower housing 32. Threaded grooves are horizontally opened on the inner walls of both the upper housing 31 and the lower housing 32, and these grooves are threadedly connected to the locking bolts 39. The upper housing 31 and the lower housing 32 are connected by threaded grooves and locking bolts 39, and the sealing frame 36 is fixed to the inner wall of the upper housing 31 or the lower housing 32 by the elastic frame 38.

[0037] The implementation principle of a waterproof energy meter according to an embodiment of this application is as follows: During the assembly of the energy meter body 3, in order to increase the sealing performance of the upper protective shell 31 and the lower protective shell 32 when they are assembled, a sealing filler frame 36 is installed between the joints of the upper protective shell 31 and the lower protective shell 32. The screw grooves of the upper protective shell 31 and the lower protective shell 32 are threadedly connected to the locking bolts 39. The elastic frame 38 is used to press and fix the sealing filler frame 36 on the inner wall of the upper protective shell 31 or the lower protective shell 32. The locking protrusions 35 on the upper protective shell 31 and the lower protective shell 32 engage with the locking grooves 371 on the sealing recesses 37. The locking protrusions 35 are pressed against the locking grooves 371, ensuring the sealing performance of the upper protective shell 31 and the lower protective shell 32, sealing the joints of the upper protective shell 31 and the lower protective shell 32, increasing the overall waterproof performance of the energy meter body 3, and then the energy meter... The main body 3 is fixed to the inner bottom surface of the outer protective box 1. Then, the cover frame 21 in the cover 2 is inserted into the opening of the outer protective box 1, so that the pressure ring 13 on the lifting rod 12 passes through the through hole 22 of the cover frame 21. In order to ensure the sealing of the cover 2 in the outer protective box 1, the deformation force of the downward spring 14 is used to push the pressure ring 13 to slide vertically on the lifting rod 12. The pressure ring 13 is pressed on the cover 2 in the outer protective box 1. Then, the pressure ring 13 on the lifting rod 12 is rotated to press against the top surface of the cover 2. Thus, the bottom of the cover frame 21 is inserted into the sealing frame strip 11. The bottom of the cover frame 21 presses against the sealing frame strip 11 and deforms, ensuring the sealing of the cover 2 and the outer protective box 1 and the sealing of the outer protective box 1 and the cover 2. The sealing filler frame 36 seals the gap between the upper protective shell 31 and the lower protective shell 32, increasing the overall waterproofness of the electricity meter body 3.

[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A waterproof energy meter, characterized in that, The device includes an outer protective box (1), a cover (2), and an electricity meter body (3). The outer protective box (1) has an opening at the front, and the electricity meter body (3) is installed and fixed inside the outer protective box (1). The cover (2) is assembled at the opening of the outer protective box (1). The cover (2) includes a cover frame (21). A sealing frame strip (11) is fixed inside the outer protective box (1) on one side of the opening. A lifting rod (12) is horizontally fixed on the opening end face of the outer protective box (1), and a pressure ring (13) is slidably sleeved on the outside of the lifting rod (12). The cover frame (21) is... 1) One end is inserted and pressed against the inner wall of the sealing frame (11), and a glass plate (23) is fixed through the outer side of the cover (2). Both sides of the cover (2) are provided with through holes (22), and the through holes (22) cooperate with the pressure ring (13). The energy meter body (3) includes an upper protective shell (31), a lower protective shell (32) and a sealing frame (36). The sealing frame (36) is provided at the mating ends of the upper protective shell (31) and the lower protective shell (32), and the sealing frame (36) is used to seal the mating gap between the upper protective shell (31) and the lower protective shell (32).

2. The waterproof energy meter according to claim 1, characterized in that: The lifting rod (12) is vertically sleeved with a compression spring (14), and the two ends of the compression spring (14) are fixed to the end of the lifting rod (12) and the pressure ring (13), respectively.

3. A waterproof energy meter according to claim 1, characterized in that: The outer protective box (1) has fixing screw holes (15) on both sides of its outer wall, and the fixing screw holes (15) are fixedly assembled by mounting screws (151).

4. A waterproof energy meter according to claim 1, characterized in that: The bottom of both the upper protective shell (31) and the lower protective shell (32) are provided with assembly screw holes (33), and the upper protective shell (31) and the lower protective shell (32) are assembled by fixing screws (34) threaded through the assembly screw holes (33).

5. A waterproof energy meter according to claim 4, characterized in that: A rubber sealing recess (37) is horizontally fixed in the middle of the outer wall of the sealing filler (36), and a slot (371) is provided on both the upper and lower horizontal end faces of the sealing recess (37).

6. A waterproof energy meter according to claim 5, characterized in that: Both the upper protective shell (31) and the lower protective shell (32) have horizontally fixed protruding strips (35) on their open end faces, and the protruding strips (35) are engaged with the slots (371) on the sealing recess (37).

7. A waterproof energy meter according to claim 6, characterized in that: The sealing filler frame (36) is provided with an elastic frame (38) horizontally inside, and a locking bolt (39) is horizontally installed through the inner wall of the elastic frame (38).

8. A waterproof energy meter according to claim 7, characterized in that: The inner walls of the upper protective shell (31) and the lower protective shell (32) are both horizontally provided with threaded grooves, and the threaded grooves of the upper protective shell (31) and the lower protective shell (32) are threadedly assembled and connected with the locking bolt (39).

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