CN117147933A - Electric energy meter - Google Patents
Electric energy meter Download PDFInfo
- Publication number
- CN117147933A CN117147933A CN202311080484.0A CN202311080484A CN117147933A CN 117147933 A CN117147933 A CN 117147933A CN 202311080484 A CN202311080484 A CN 202311080484A CN 117147933 A CN117147933 A CN 117147933A
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- CN
- China
- Prior art keywords
- electric energy
- bottom shell
- lead sealing
- energy meter
- cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001483 mobilizing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Abstract
The invention discloses an electric energy meter, comprising: the bottom shell and the meter cover are connected in a clamping mode through at least two clamping connection structures with different structures, namely a first clamping connection structure and a second clamping connection structure, the first clamping connection structure is matched in the bottom shell in a clamping mode, and the second clamping connection structure is partially exposed out of the bottom shell; and the lead sealing part is fixedly arranged on the surface cover and covers the exposed area of the second buckle connecting structure compared with the bottom shell. According to the invention, a structure of screw connection in the prior art is replaced by a buckle connection result, so that cost reduction and efficiency improvement in the production process of the electric energy meter are realized, meanwhile, by means of at least two buckle connection structures with different structures, on one hand, stable connection between the bottom shell and the meter cover is realized in the bottom shell, and on the other hand, the disassembly requirement of the meter cover is realized through a clamping structure partially exposed out of the bottom shell, and the exposed area of the clamping structure is covered by the lead sealing part so as to realize the disassembly-proof anti-counterfeiting mark of the electric energy meter.
Description
Technical Field
The invention relates to the technical field of electric instrument equipment, in particular to an electric energy meter.
Background
The electric energy meter is a meter for measuring electric energy, also called an electric meter, a fire meter and a kilowatt hour meter, and the common electric energy meter consists of a bottom shell, a terminal button box, a meter cover and a terminal button cover, wherein the bottom shell and the meter cover are fixed and then are protected by a lead sealing structure according to the national standard requirement of the electric energy meter so as to identify the original state of the electric energy meter and prevent unauthorized personnel from privately opening devices in the meter cover.
In the existing electric energy meter, pure screw fixed connection is usually adopted between meter cover and the drain pan, or set up the buckle structure and cooperate the screw to carry out fixed connection's connected mode, but need installation space through screw connection on the one hand, and the user can dismantle the screw smoothly through installation space, thereby there is the user to steal the risk of electricity by mobilizing the part in the electric energy meter privately, on the other hand, the screw is easy to rust in humid environment, can bring worse visual experience for the user, and rusty screw very easily produces smooth tooth problem, lead to meter cover and drain pan connection insecure, influence product performance, in addition, assembly efficiency between meter cover and the drain pan is low through screw installation is fixed, cost of labor and material cost are higher, but only be difficult to guarantee the connection effect of meter cover and drain pan and the mark of preventing of meter cover through buckle connection, prior art is not applicable to meter cover and drain pan structure that the buckle of electric energy meter is connected.
Therefore, how to optimize the assembly structure of the electric energy meter and improve the assembly efficiency of the electric energy meter is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the invention aims to provide the electric energy meter, so that the assembly result of the meter cover and the bottom shell of the electric energy meter is optimized, the assembly efficiency of the electric energy meter is improved, and the production cost of the electric energy meter is reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an electrical energy meter, comprising:
the bottom shell and the watch cover are connected in a clamping mode through at least two clamping connection structures with different structures, namely a first clamping connection structure and a second clamping connection structure, the first clamping connection structure is matched in the bottom shell in a clamping mode, and the second clamping connection structure is partially exposed out of the bottom shell;
and the lead sealing part is fixedly arranged on the surface cover and covers the exposed area of the second buckle connecting structure compared with the bottom shell.
Preferably, in the electric energy meter, the first buckle connection structure includes a columnar protrusion disposed in the bottom case and a tooth-shaped clamping groove disposed on the meter cover;
the second buckle connection structure comprises an L-shaped bulge arranged on the bottom shell and a connection groove arranged on the watch cover, and the bulge of the L-shaped bulge clamped into the connection groove is exposed compared with the bottom shell.
Preferably, in the electric energy meter, two columnar protrusions are provided on the bottom case, and the two columnar protrusions are symmetrically provided with respect to a symmetry line of the bottom case.
Preferably, in the electric energy meter, two L-shaped protrusions are provided on the bottom case, and the two L-shaped protrusions are symmetrically provided with respect to a symmetry line of the bottom case.
Preferably, in the electric energy meter, a side wall of the meter cover is provided with a lead sealing groove in which the lead sealing part is embedded, the connecting groove is communicated to the lead sealing groove, the lead sealing part is provided with a boss, and the L-shaped boss is clamped with the connecting groove from two opposite sides of the connecting groove.
Preferably, in the above electric energy meter, at least one of the lead sealing grooves is provided with a through hole, and a lead sealing arranged in the corresponding lead sealing groove is also provided with a through hole corresponding to the through hole on the lead sealing groove concentrically.
Preferably, in the electric energy meter, the electric energy meter further comprises a terminal button box mounted on the bottom shell and abutted against the meter cover, and at least two limiting protrusions for positioning and supporting the meter cover are arranged on the edge of the terminal button box, which is in contact with the meter cover, in a protruding mode.
Preferably, in the electric energy meter, the lead sealing part is made of plastic.
According to the technical scheme, the electric energy meter comprises a bottom shell, a meter cover and a lead sealing part, wherein the bottom shell and the meter cover are fixedly connected through a screwless clamping structure, specifically, the bottom shell and the meter cover are connected through at least two clamping connection structures with different structures, namely a first clamping connection structure and a second clamping connection structure, the two clamping structures with different structures are used for avoiding that the clamping connection structure of a single structure can lead the bottom shell and the meter cover to be separated when the clamping connection structure fails at the same time, and the two clamping structures have different connection relations and stress states, so that the possibility of failure of the simultaneous connection is small, thereby solving the problem that in the prior art, the problem of screw connection is adopted due to the fact that the problem of failure of the connection is easy to occur in the clamping connection mode, meanwhile, the first clamping connection structure is used for realizing clamping fit in a cavity formed by the bottom shell and the meter cover, namely, after the meter cover is buckled and installed on the bottom shell, the first buckle connection structure cannot be observed from the periphery of the meter cover, the first buckle connection structure aims to realize stable connection of the bottom shell and the meter cover, meanwhile, the cavity enclosed by the bottom shell and the meter cover is well protected to avoid external dust and water vapor from affecting the stability of the connection structure, the second buckle connection structure is partially exposed at the bottom shell, and it is required to say that the partial exposure of the second buckle connection structure means that when only the bottom shell and the meter cover are assembled, the partial area of the second buckle connection structure can be observed from the periphery of the meter cover, the second buckle connection structure aims to enable an operator to conveniently align the assembly positions of the meter cover and the bottom shell through the partial exposure area of the second buckle connection structure, and meanwhile, the second buckle connection structure can be quickly unlocked through a special tool when the electric energy meter is overhauled, realize the quick dismantlement of table lid on the electric energy meter, in addition, lead seal then fixed setting is covered in the table, and in lead seal cover second buckle connection structure compare in the naked region of drain pan to protect it, when need dismantle drain pan and the table lid of electric energy meter simultaneously, also need demolish lead seal earlier after, unblock second buckle connection structure is in order to realize dismantling, consequently lead seal is in the area of protecting second buckle connection structure to expose in the drain pan on, also prevents tearing open anti-fake sign to the electric energy meter through its integrality. According to the electric energy meter, the bottom shell and the meter cover are connected through the two different buckle connecting structures of the first buckle connecting structure and the second buckle connecting structure, so that compared with the prior art, on the basis of canceling the connecting screw of the bottom shell and the meter cover, the connecting effect between the bottom shell and the meter cover is enhanced through the difference structure, meanwhile, the first buckle connecting structure is well clamped and connected in the cavity formed by the bottom shell and the meter cover, the second buckle connecting structure is partially exposed out of the bottom shell, so that an operator can align the bottom shell and the meter cover when assembling the electric energy meter, the assembly efficiency of the electric energy meter is improved compared with screw connection, in addition, the lead sealing part shields and covers the exposed part of the second buckle connecting structure, and the anti-disassembly anti-counterfeiting mark of the electric energy meter is carried out through the integrity of the lead sealing part while the second buckle connecting structure is protected.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an assembly structure of an electric energy meter according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is a schematic diagram of a bottom shell structure according to an embodiment of the present invention;
FIG. 4 is a bottom view of a bezel structure according to an embodiment of the present invention;
FIG. 5 is a top view of a bezel structure provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a lead seal according to an embodiment of the present invention
Wherein 10 is a bottom shell, 110 is a columnar bulge, 120 is an L-shaped bulge, 20 is a watch cover, 210 is a tooth-shaped clamping groove, 220 is a connecting groove, 230 is a lead sealing groove, 30 is a lead sealing part, 310 is a boss, 320 is a through hole, 40 is a terminal box, and 410 is a limit bulge.
Detailed Description
The invention discloses an electric energy meter, which is characterized in that the assembly result of a meter cover and a bottom shell of the electric energy meter is optimized, the assembly efficiency of the electric energy meter is improved, and the production cost of the electric energy meter is reduced.
In order to make the solution of the invention better understood by a person skilled in the art, embodiments of the invention are described below with reference to the accompanying drawings, and furthermore the embodiments shown below do not have any limiting effect on the inventive content described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the invention described in the claims.
As shown in fig. 1, the electric energy meter provided by the embodiment of the invention includes a bottom case 10, a meter cover 20 and a lead sealing portion 30, wherein the bottom case 10 and the meter cover 20 are fixedly connected through screwless fastening structures, specifically, the bottom case 10 and the meter cover 20 are fastened and connected through at least two fastening structures with different structures, namely, a first fastening structure is not observed from the periphery of the meter cover 20 after the meter cover 20 is fastened and installed on the bottom case 10, the fastening structures with different structures are used for avoiding that the fastening structures with a single structure can lead to the bottom case 10 and the meter cover 20 to be separated when the fastening structures fail at the same time, and the two fastening structures have different connection relations and stress states, so that the possibility of simultaneous connection failure is low, thereby solving the problem that in the prior art, the fastening connection failure problem is easy to occur due to the fastening connection mode, meanwhile, the first fastening structure realizes fastening and matching in the cavity formed by the bottom case 10 and the meter cover 20, namely, after the meter cover 20 is fastened and installed on the bottom case 10, the periphery of the meter cover 20, the first fastening structure cannot be observed, the first fastening structure is used for avoiding that the purpose that the fastening structure is well and the surface case 10 and the second fastening structure is well and the second fastening structure is connected with the bottom case 10, and the second fastening structure is well, and the dust is stably connected to the surface case 10, and the second fastening structure is well, and the dust is protected, and the dust is well and the protection structure is arranged.
It should be noted that, herein, the partial exposure of the second buckle connection structure means that when only the bottom shell 10 and the meter cover 20 are assembled, the partial area of the second buckle connection structure can be observed from the periphery of the meter cover 20, and the purpose of the second buckle connection structure is to enable an operator to conveniently align the assembly positions of the meter cover 20 and the bottom shell 10 through the partial exposure area thereof, and meanwhile, the second buckle connection structure can be quickly unlocked by a special tool when the electric energy meter is overhauled, so that the quick disassembly of the meter cover 20 on the electric energy meter is realized.
In addition, the lead sealing portion 30 is fixedly arranged on the meter cover 20, and the lead sealing portion 30 covers an area exposed from the bottom shell 10 in the second buckle connection structure to protect the same, and meanwhile, when the bottom shell 10 and the meter cover 20 of the electric energy meter need to be disassembled, the lead sealing portion 30 needs to be disassembled first, and then the second buckle connection structure is unlocked to realize disassembly, so that the lead sealing portion 30 protects the area exposed from the bottom shell 10 on the second buckle connection structure, and meanwhile, the integrity of the lead sealing portion 30 is utilized to perform anti-disassembly anti-counterfeiting identification on the electric energy meter.
According to the electric energy meter provided by the embodiment of the invention, the bottom shell 10 and the meter cover 20 are connected through the two different buckle connection structures of the first buckle connection structure and the second buckle connection structure, so that compared with the prior art, on the basis of canceling the connecting screw of the bottom shell 10 and the meter cover 20, the connecting effect between the bottom shell 10 and the meter cover 20 is enhanced through the difference structure, meanwhile, the first buckle connection structure is well clamped and connected in the cavity formed by the bottom shell 10 and the meter cover 20, the second buckle connection structure is partially exposed out of the bottom shell 10, so that an operator can align the bottom shell 10 and the meter cover 20 when assembling the electric energy meter, the assembly efficiency of the electric energy meter is improved compared with screw connection, in addition, the lead sealing part 30 shields and covers the exposed part of the second buckle connection structure, and meanwhile, the anti-disassembly anti-counterfeiting mark of the electric energy meter is carried out through the integrity of the lead sealing part 30.
Further, in an embodiment of the present invention, the first snap connection structure includes a columnar protrusion 110 disposed in the bottom case 10 and a tooth-shaped slot 210 disposed on the top cover 20, the columnar protrusion 110 is integrally formed with the bottom case 10 on an inner wall of the bottom case 10, and the tooth-shaped slot 210 extends into a back portion of the bottom case 10 and is engaged with the columnar protrusion 110 in a snap fit manner, which is characterized in that the connection is simple and stable, and the snap connection structure is easy to release when receiving a crash force in a vertical direction, so that the snap connection structure is suitable for being disposed as the first snap connection structure, so that the snap connection structure is easy to assemble and stable when being protected by the bottom case 10 and the top cover 20 while being easy to assemble.
On the basis of the above embodiment, the second snap connection structure includes the L-shaped protrusion 120 disposed on the bottom case 10 and the connection groove 220 disposed on the meter cover 20, where the L-shaped protrusion 120 is an overhanging protrusion structure and is used for positioning the meter cover 20, the connection groove 220 is a through groove structure to provide enough clamping space for the L-shaped protrusion 120, after the L-shaped protrusion 120 is clamped into the connection groove 220, the protrusion position of the L-shaped protrusion 120 is exposed compared with the bottom case 10, the L-shaped protrusion 120 can be observed from the periphery of the meter cover 20 through the connection groove 220, so that an operator can align the bottom case 10 with the meter cover 20 through the alignment of the L-shaped protrusion 120 and the connection groove 220 in the assembly process, so as to realize convenient assembly, and in addition, the lead sealing part 30 can realize closed protection to the second snap connection structure by blocking the other end of the connection groove 220, and the anti-dismantling mark of the electric energy meter.
In order to further optimize the above technical solution, in the electric energy meter provided in the embodiment of the present invention, two columnar protrusions 110 are provided on the bottom case 10, and the two columnar protrusions 110 are symmetrically provided with respect to a symmetry line of the bottom case 10, correspondingly, two tooth-shaped clamping grooves 210 are correspondingly provided on the meter cover 20, the two columnar protrusions 110 that are symmetrically provided can position the meter cover 20 in a straight line direction passing through the two columnar protrusions 110, and the two columnar protrusions 110 are mutually standby, so that the connection stability of the meter cover 20 and the bottom case 10 is improved.
Further, it is preferable that two L-shaped protrusions 120 are also provided on the bottom case 10, and the two L-shaped protrusions 120 are symmetrically provided with respect to a symmetry line of the bottom case 10 to further improve the connection stability of the bezel 20 with the bottom case 10.
Further, in an embodiment of the present invention, a lead sealing groove 230 is fixedly disposed on a side wall of the case lid 20 with the connecting groove 220, the lead sealing groove 230 is used for embedding the lead sealing part 30, the connecting groove 220 communicates with an inner area of the case lid 20 and the lead sealing groove 230, after the L-shaped protrusion 120 is engaged with the connecting groove 220, the lead sealing part 30 is embedded into the lead sealing groove 230, and the connecting groove 220 can be plugged, so as to cover and cover the L-shaped protrusion 120.
On the basis of the above embodiment, in order to prevent the electric power system personnel from damaging the lead sealing part 30 by monitoring the electric power meter and to avoid other personnel from opening the meter cover 20 later, in the electric power meter provided by the invention, the through hole is formed on at least one lead sealing groove 230, and the lead sealing part 30 arranged in the lead sealing groove 230 with the through hole is also provided with the through hole 320 corresponding to the through hole in a concentric manner, so that after the electric power meter is detected by professional personnel, the electric power meter after detection is detected by threading lead sealing, and the secondary lead sealing protection function of the electric power meter is realized.
Further, in an embodiment of the present invention, the bottom case 10 is provided with the terminal box 40, the terminal box 40 is snap-mounted on the bottom case 10 and abuts against the bezel 20, and in order to position and support the bezel 20, at least two limiting protrusions 410 for positioning and supporting the bezel 20 are further protruding from the edge of the terminal box 40 contacting the bezel 20.
Further, in an embodiment of the present invention, the lead sealing portion 30 is made of plastic material to reduce the weight and production cost of the electric energy meter.
The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An electric energy meter, comprising:
the base shell (10) and the watch cover (20) are connected in a clamping mode through at least two clamping connection structures with different structures, namely a first clamping connection structure and a second clamping connection structure, the first clamping connection structure is matched in the base shell (10) in a clamping mode, and the second clamping connection structure is partially exposed out of the base shell (10);
and the lead sealing part (30) is fixedly arranged on the watch cover (20), and the lead sealing part (30) covers the exposed area of the second buckle connecting structure compared with the exposed area of the bottom shell (10).
2. The electric energy meter according to claim 1, characterized in that the first snap connection comprises a cylindrical protrusion (110) provided in the bottom casing (10) and a tooth-shaped clamping groove (210) provided on the meter cover (20);
the second buckle connection structure comprises an L-shaped bulge (120) arranged on the bottom shell (10) and a connection groove (220) arranged on the meter cover (20), and the bulge (120) clamped into the connection groove (220) is exposed compared with the bottom shell (10).
3. The electric energy meter according to claim 2, characterized in that the stud projections (110) are provided two on the bottom shell (10), and in that the two stud projections (110) are symmetrically arranged about a symmetry line of the bottom shell (10).
4. A meter according to claim 3, wherein two L-shaped protrusions (120) are provided on the bottom case (10), and wherein the two L-shaped protrusions (120) are symmetrically provided with respect to a symmetry line of the bottom case (10).
5. The electric energy meter according to claim 2, characterized in that a side wall of the meter cover (20) is provided with a lead sealing groove (230) for the lead sealing part (30) to be embedded and arranged, the connecting groove (220) is communicated to the lead sealing groove (230), the lead sealing part (30) is provided with a boss (310), and the L-shaped boss (120) and the boss (310) are clamped with the connecting groove (220) from two opposite sides of the connecting groove (220).
6. The electric energy meter according to claim 5, characterized in that at least one of the lead sealing grooves (230) is provided with a through hole, and the lead sealing arranged in the corresponding lead sealing groove (230) is also provided with a through hole (320) concentrically corresponding to the through hole on the lead sealing groove (230).
7. The electric energy meter according to claim 1, characterized in that it further comprises a terminal box (40) mounted on the bottom shell (10) and abutting against the meter cover (20), wherein the edge of the terminal box (40) contacting the meter cover (20) is provided with at least two limit protrusions (410) for positioning and supporting the meter cover (20) in a protruding manner.
8. The electric energy meter according to claim 1, characterized in that the lead seal (30) is of plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311080484.0A CN117147933A (en) | 2023-08-24 | 2023-08-24 | Electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311080484.0A CN117147933A (en) | 2023-08-24 | 2023-08-24 | Electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117147933A true CN117147933A (en) | 2023-12-01 |
Family
ID=88909290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311080484.0A Pending CN117147933A (en) | 2023-08-24 | 2023-08-24 | Electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117147933A (en) |
-
2023
- 2023-08-24 CN CN202311080484.0A patent/CN117147933A/en active Pending
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