CN210835017U - Anti-interference device for intelligent electric meter - Google Patents
Anti-interference device for intelligent electric meter Download PDFInfo
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- CN210835017U CN210835017U CN201922442852.7U CN201922442852U CN210835017U CN 210835017 U CN210835017 U CN 210835017U CN 201922442852 U CN201922442852 U CN 201922442852U CN 210835017 U CN210835017 U CN 210835017U
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Abstract
The utility model discloses an anti-interference device for smart electric meter relates to the ammeter field, including the anti-interference device body, the top of anti-interference device body is provided with the ammeter shell, the front of anti-interference device body is connected with the fly leaf through the round pin rotation, the top of fly leaf is seted up flutedly, the inner wall bottom surface of recess is connected with the elastic plate, the inside of anti-interference device body is provided with the electromagnetic shield piece, the electromagnetic shield piece is located one side that the fly leaf was kept away from to anti-interference device body inner wall. The utility model discloses an electromagnetic shield piece and sealed shielding material that set up on the jam-proof device body, with sealed support and connecting block laminating, can seal the hole that the elastic plate recess was left out on the ammeter, guaranteed the holistic leakproofness of ammeter, simultaneously through the setting of inoxidizing coating on the ammeter shell, avoid influencing mutually with frequency carrier signal between the ammeter, prevent simultaneously that lawless persons from stealing electricity.
Description
Technical Field
The utility model relates to an ammeter field, in particular to an jam-proof device for smart electric meter.
Background
The electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, electric energy meter, kilowatt hour meter, and refers to an instrument for measuring various electric quantities, the earliest electric energy meter was manufactured in 1881 year according to the principle of electrolysis, and with the development of science and technology, in 1888 year, the discovery and application of alternating current also put forward new requirements to the development of electric energy meters. With the efforts of scientists, induction electric energy meters have been produced. The induction type electric energy meter has a series of advantages of simple structure, safe operation, low price, durability, convenient maintenance, batch production and the like, so the induction type electric energy meter is developed quickly.
The existing intelligent electric meter generally adopts a plastic shell, and does not have the capacity of resisting electromagnetic interference, the same-frequency carrier signal can be interfered among all the areas through a transformer and a high-voltage power line, the electricity quantity statistics is inaccurate, and the wireless signal can be utilized by lawless persons to steal electricity and count less electricity quantity for the electric meter, so that the anti-interference device for the intelligent electric meter is necessary to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interference preventer for smart electric meter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-interference device for an intelligent ammeter comprises an anti-interference device body, wherein an ammeter shell is arranged at the top end of the anti-interference device body, a movable plate is rotatably connected to the front side of the anti-interference device body through a pin shaft, a groove is formed in the top end of the movable plate, an elastic plate is connected to the bottom surface of the inner wall of the groove, an electromagnetic shielding block is arranged inside the anti-interference device body, the electromagnetic shielding block is located on one side, away from the movable plate, of the inner wall of the anti-interference device body, a shielding layer is arranged on one side, close to the movable plate, of the electromagnetic shielding block, the shielding layer is a thermoplastic rubber plate, an installation block is arranged at the lower end of the shielding layer, a spring is fixedly connected to one end, away from the shielding layer, of the installation block and is connected with the movable plate, the top of zero line interface is provided with load live wire interface, the top of load live wire interface is provided with load zero line interface, live wire interface, zero line interface, load live wire interface, load zero line interface all with shielding layer fixed connection, the inside of ammeter shell is provided with the connecting block, spacing recess has been seted up to the bottom of connecting block, just spacing recess and electromagnetic shield piece looks adaptation, the junction packing of spacing recess and electromagnetic shield piece has sealed shielding material, sealed shielding material is electrically conductive silicon rubber.
Preferably, a protective layer is arranged on one side of the inner wall of the electric meter shell and is made of conductive foam.
Preferably, one end of the electric meter shell, which is close to the anti-interference device body, is provided with an elastic plate groove, and the elastic plate groove is matched with the elastic plate.
Preferably, the inner wall bottom mounting of ammeter shell is provided with sealed support, sealed support is located the top of elastic plate recess, just sealed support and connecting block looks adaptation.
Preferably, the display screen has been seted up in the front of ammeter shell, the front of ammeter shell is provided with the character wheel, the character wheel is located the below of display screen.
Preferably, the front lower extreme of ammeter shell is provided with reverse current pilot lamp and working pulse pilot lamp, reverse current pilot lamp is located one side of working pulse pilot lamp.
The utility model discloses a technological effect and advantage:
1. the utility model discloses an electromagnetic shield piece, shielding layer and the sealed shielding material that set up on the jam-proof device body, through the shielding layer that sets up on the electromagnetic shield piece, the shielding layer is the thermoplastic rubber board, it is good to have shielding efficiency, can be fire-retardant, surface conductivity is good, and through the setting of sealing support on the ammeter shell, laminate sealing support and connecting block, can seal the hole that the elastic plate recess opened on the ammeter, the holistic leakproofness of ammeter has been guaranteed, simultaneously through the setting of inoxidizing coating on the ammeter shell, the inoxidizing coating is the electrically conductive bubble cotton that possess good shielding efficiency, the jam-proof ability of ammeter has further been promoted, avoid the influence of same frequency carrier signal each other between the ammeter, prevent simultaneously that lawless persons steal electricity;
2. the utility model discloses an installation piece, spring and the elastic plate that set up on the jam-proof device body, press the elastic plate with the fly leaf through the round pin axle closed on the jam-proof device body to elasticity through the elastic plate is fixed it in the elastic plate recess of ammeter shell, and then can be with the rigidity of fly leaf, when pressing the elastic plate again, the spring on the installation piece can be to the fly leaf this external hard of jam-proof device, make elastic plate and fly leaf pop out, the dismantlement of the device of being convenient for is maintained and the use of ammeter, the practicality of the device has been improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic side view of the interference preventing device of the present invention.
Fig. 3 is a schematic view of the cross-sectional structure of the electromagnetic shielding block of the present invention.
In the figure: 1. an interference preventing device body; 2. an electric meter housing; 3. a movable plate; 4. an elastic plate; 5. an electromagnetic shielding block; 6. a shielding layer; 7. mounting blocks; 8. a spring; 9. a live wire interface; 10. a zero line interface; 11. a load live wire interface; 12. a load zero line interface; 13. connecting blocks; 14. sealing the shielding material; 15. a limiting groove; 16. a protective layer; 17. an elastic plate groove; 18. sealing the bracket; 19. a display screen; 20. a print wheel; 21. a reverse current indicator light; 22. and a working pulse indicator lamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an anti-interference device for an intelligent ammeter, as shown in figures 1-3, comprising an anti-interference device body 1, an ammeter shell 2 is arranged on the top end of the anti-interference device body 1, a movable plate 3 is rotationally connected on the front side of the anti-interference device body 1 through a pin shaft, a groove is arranged on the top end of the movable plate 3, an elastic plate 4 is connected on the bottom surface of the inner wall of the groove, an electromagnetic shielding block 5 is arranged inside the anti-interference device body 1, the electromagnetic shielding block 5 is positioned on one side of the inner wall of the anti-interference device body 1, which is far away from the movable plate 3, a shielding layer 6 is arranged on one side of the electromagnetic shielding block 5, which is close to the movable plate 3, the shielding layer 6 is a thermoplastic rubber plate, which has the characteristics of good shielding efficiency, flame retardance and good surface conductivity, an installation block, the spring 8 is attached to the movable plate 3, the live wire interface 9 is arranged above the mounting block 7, the zero line interface 10 is arranged above the live wire interface 9, the loaded live wire interface 11 is arranged above the zero line interface 10, the loaded zero line interface 12 is arranged above the loaded live wire interface 11, the live wire interface 9, the zero line interface 10, the loaded live wire interface 11 and the loaded zero line interface 12 are all fixedly connected with the shielding layer 6, the inside of the electric meter shell 2 is provided with the connecting block 13, the bottom of the connecting block 13 is provided with the limiting groove 15, the limiting groove 15 is matched with the electromagnetic shielding block 5, the joint of the limiting groove 15 and the electromagnetic shielding block 5 is filled with the sealing shielding material 14, the sealing shielding material 14 is conductive silicon rubber which has good shielding effectiveness and can fill the gap between the connecting block 13 and the electromagnetic shielding block 5, and the whole sealing performance is improved, the interference prevention capability of the electric meters is further improved, mutual influence of same-frequency carrier signals among the electric meters is avoided, and meanwhile, illegal people are prevented from stealing electricity.
Further, the inner wall one side of ammeter shell 2 is provided with the inoxidizing coating 16, and inoxidizing coating 16 is electrically conductive bubble cotton, and electrically conductive bubble cotton possess fire-retardant, the electric conductivity is good, the characteristics that shielding effectiveness is good, has further promoted anti-interference effect.
Further, the elastic plate groove 17 is formed in one end, close to the anti-interference device body 1, of the ammeter shell 2, the elastic plate groove 17 is matched with the elastic plate 4, the elastic plate 4 is pressed to close the movable plate 3 on the anti-interference device body 1 through a pin shaft, the elastic plate 4 is fixed in the elastic plate groove 17 of the ammeter shell 2 through elasticity of the elastic plate 4, the movable plate 3 can be fixed in position, when the elastic plate 4 is pressed again, the spring 8 on the installation block 7 can exert force on the movable plate 3 outwards from the anti-interference device body 1, the elastic plate 4 is popped out from the movable plate 3, the disassembly maintenance and the use of the ammeter of the anti-interference device are facilitated, and the practicability of the anti-interference device is improved.
Further, the inner wall bottom end of the electricity meter shell 2 is fixed and is provided with the sealing support 18, the sealing support 18 is located the top of the elastic plate groove 17, the sealing support 18 and the connecting block 13 are matched, the sealing support 18 is attached to the connecting block 13 through the arrangement of the sealing support 18 on the electricity meter shell 2, the hole formed in the electricity meter by the elastic plate groove 17 can be sealed, and the overall sealing performance of the electricity meter is guaranteed.
Further, a display screen 19 is arranged on the front surface of the electric meter shell 2, a character wheel 20 is arranged on the front surface of the electric meter shell 2, and the character wheel 20 is located below the display screen 19.
Further, the front lower end of the electric meter shell 2 is provided with a reverse current indicator lamp 21 and a working pulse indicator lamp 22, and the reverse current indicator lamp 21 is located on one side of the working pulse indicator lamp 22.
The utility model discloses the theory of operation:
when the anti-interference device for the intelligent ammeter is used, the shielding layer 6 arranged on the electromagnetic shielding block 5 is a thermoplastic rubber plate, the anti-interference device has the characteristics of good shielding efficiency, flame retardance and good surface conductivity, the sealing support 18 is attached to the connecting block 13 through the arrangement of the sealing support 18 on the ammeter shell 2, the hole formed in the ammeter by the elastic plate groove 17 can be sealed, the integral sealing performance of the ammeter is ensured, meanwhile, the protection layer 16 is made of conductive foam with good shielding efficiency through the arrangement of the protection layer 16 on the ammeter shell 2, the anti-interference capability of the ammeter is further improved, the mutual influence of same-frequency carrier signals among the ammeters is avoided, meanwhile, the electricity stealing of lawless persons is prevented, meanwhile, the elastic plate 4 is pressed to close the movable plate 3 on the anti-interference device body 1 through a pin shaft, and is fixed in the elastic plate groove 17 of the ammeter shell 2 through the elasticity of the elastic plate 4, and then can be with the fixed position of fly leaf 3, when pressing down elastic plate 4 again, spring 8 on installation piece 7 can be to fly leaf 3 to the external force of jam-proof device body 1, make elastic plate 4 and fly leaf 3 pop out, the dismantlement of the device of being convenient for is maintained and the use of ammeter, has improved the practicality of the device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an interference preventing device for smart electric meter, includes interference preventing device body (1), its characterized in that: an electric meter shell (2) is arranged at the top end of the anti-interference device body (1), the front face of the anti-interference device body (1) is rotatably connected with a movable plate (3) through a pin shaft, a groove is formed in the top end of the movable plate (3), an elastic plate (4) is connected to the bottom surface of the inner wall of the groove, an electromagnetic shielding block (5) is arranged inside the anti-interference device body (1), the electromagnetic shielding block (5) is located on one side, away from the movable plate (3), of the inner wall of the anti-interference device body (1), a shielding layer (6) is arranged on one side, close to the movable plate (3), of the electromagnetic shielding block (5), the shielding layer (6) is a thermoplastic rubber plate, an installation block (7) is arranged at the lower end of the shielding layer (6), a spring (8) is fixedly connected to one end, away from the shielding layer (6), of the installation block, a live wire interface (9) is arranged above the mounting block (7), a zero line interface (10) is arranged above the live wire interface (9), a load live wire interface (11) is arranged above the zero line interface (10), a load zero line interface (12) is arranged above the load live wire interface (11), the live wire interface (9), the zero line interface (10), the load live wire interface (11) and the load zero line interface (12) are all fixedly connected with the shielding layer (6), a connecting block (13) is arranged inside the electric meter shell (2), a limiting groove (15) is arranged at the bottom of the connecting block (13), and the limiting groove (15) is matched with the electromagnetic shielding block (5), a sealing shielding material (14) is filled at the joint of the limiting groove (15) and the electromagnetic shielding block (5), and the sealing shielding material (14) is conductive silicon rubber.
2. The interference preventing device for the smart meter according to claim 1, wherein: the electric meter is characterized in that a protective layer (16) is arranged on one side of the inner wall of the electric meter shell (2), and the protective layer (16) is made of conductive foam.
3. The interference preventing device for the smart meter according to claim 1, wherein: an elastic plate groove (17) is formed in one end, close to the anti-interference device body (1), of the electric meter shell (2), and the elastic plate groove (17) is matched with the elastic plate (4).
4. The interference preventing device for the smart meter according to claim 3, wherein: the inner wall bottom end of ammeter shell (2) is fixed and is provided with sealing support (18), sealing support (18) are located the top of elastic plate recess (17), just sealing support (18) and connecting block (13) looks adaptation.
5. The interference preventing device for the smart meter according to claim 1, wherein: display screen (19) have been seted up in the front of ammeter shell (2), the front of ammeter shell (2) is provided with character wheel (20), character wheel (20) are located the below of display screen (19).
6. The interference preventing device for the smart meter according to claim 1, wherein: the front lower extreme of ammeter shell (2) is provided with reverse current pilot lamp (21) and working pulse pilot lamp (22), reverse current pilot lamp (21) are located one side of working pulse pilot lamp (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922442852.7U CN210835017U (en) | 2019-12-31 | 2019-12-31 | Anti-interference device for intelligent electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922442852.7U CN210835017U (en) | 2019-12-31 | 2019-12-31 | Anti-interference device for intelligent electric meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210835017U true CN210835017U (en) | 2020-06-23 |
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ID=71257008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922442852.7U Active CN210835017U (en) | 2019-12-31 | 2019-12-31 | Anti-interference device for intelligent electric meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210835017U (en) |
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2019
- 2019-12-31 CN CN201922442852.7U patent/CN210835017U/en active Active
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