CN211627649U - Internal anti-interference structure of three-phase intelligent meter - Google Patents
Internal anti-interference structure of three-phase intelligent meter Download PDFInfo
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- CN211627649U CN211627649U CN201922183009.1U CN201922183009U CN211627649U CN 211627649 U CN211627649 U CN 211627649U CN 201922183009 U CN201922183009 U CN 201922183009U CN 211627649 U CN211627649 U CN 211627649U
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Abstract
The utility model discloses an inside anti interference structure of three-phase smart meter, including lower casing, the casing lower extreme is provided with fixed joint down, and the upper end of casing is fixed mutually with the upper cover plate through the screw thread down, the surperficial center department of upper cover plate is provided with the mounting hole, is provided with the pointer main part on the mounting hole, the internal portion of inferior valve is provided with the mounting groove, the inside electromagnetic interference unit that is provided with of mounting groove, the inside slotted hole that is provided with of electromagnetic interference unit, the inside solenoid that is provided with of slotted hole, solenoid's inside is provided with the iron core, and solenoid's surface parcel has the insulating lantern. The utility model discloses an install anti-electromagnetic interference ware, through with the transistor embedding into anti-electromagnetic interference ware, can make the inside electronic components of transistor avoid magnetic field interference to make smart meter pointer data more accurate.
Description
Technical Field
The utility model relates to an intelligent meter installation technical field specifically is an inside anti-interference structure of three-phase intelligent meter.
Background
The intelligent three-phase current meter can directly replace a conventional power transmitter and a measuring instrument. As an advanced intelligent and digital front-end acquisition element, the electric power meter is widely applied to various control systems, SCADA systems and energy management systems. The instrument adopts an alternating current sampling technology, can measure three-phase current parameters in a power grid, can set multiplying power through a panel membrane switch, and has the functions of RS485 communication, alarm output, switching value input/output and the like. The intelligent electric meter is one of basic devices for data acquisition of an intelligent power grid (particularly an intelligent power distribution network), bears the tasks of original electric energy data acquisition, metering and transmission, and is the basis for realizing information integration, analysis optimization and information display. The intelligent electric meter has the functions of metering basic electricity consumption of the traditional electric meter, and also has intelligent functions of bidirectional multi-rate metering, user side control, bidirectional data communication of various data transmission modes, electricity larceny prevention and the like in order to adapt to the use of an intelligent power grid and new energy.
The internal anti-interference structure of present three-phase intelligent meter can't effectively defend the interference of electromagnetic field, leads to pointer data to deviate, therefore the market urgently needs to develop a neotype internal anti-interference structure of three-phase intelligent meter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inside anti-interference structure of three-phase smart meter to the inside anti-interference structure of three-phase smart meter who proposes in solving above-mentioned background art can't effectively defend the interference of electromagnetic field, leads to pointer data deviation scheduling problem to appear.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inside anti-interference structure of three-phase smart meter, includes casing down, the casing lower extreme is provided with fixed joint down, and the upper end of casing is fixed mutually with the upper cover plate through the screw thread down, the surperficial center department of upper cover plate is provided with the mounting hole, is provided with the pointer main part on the mounting hole, the internal portion of inferior valve is provided with the mounting groove, and the inside electromagnetic interference ware that is provided with of mounting groove, the inside slotted hole that is provided with of electromagnetic interference ware, slotted hole inside are provided with solenoid, solenoid's inside is provided with the iron core, and solenoid's surface parcel.
Preferably, a sealing gasket is arranged at the joint of the lower shell and the upper cover plate.
Preferably, a choke coil is arranged at the joint of the iron core and the electromagnetic coil.
Preferably, a transistor is arranged inside the electromagnetic interference preventer.
Preferably, the transistor is fitted in the slot.
Preferably, the pointer body is connected with the upper cover plate through a shaft pin.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the anti-electromagnetic interference device is arranged in the mounting groove, the transistor is arranged in the anti-electromagnetic interference device and is embedded with the slotted hole, and electronic components in the transistor can be prevented from being interfered by a magnetic field by embedding the transistor into the anti-electromagnetic interference device, so that the pointer data of the intelligent meter is more accurate;
(2) the choke coil is arranged at the joint of the iron core and the electromagnetic coil, the choke inductance coil has the function of limiting the alternating current to pass through in the circuit, and the sealing washer is arranged at the joint of the lower shell and the upper cover plate and can seal and protect the joint in a dustproof manner.
Drawings
Fig. 1 is a schematic diagram of the external structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic view of a partial structure of the present invention.
In the figure: 1. an upper cover plate; 2. a pointer body; 3. a lower housing; 4. fixing the joint; 5. an insulating collar; 6. an iron core; 7. a choke coil; 8. an electromagnetic coil; 9. a transistor; 10. a slot; 11. an anti-electromagnetic interference device; 12. mounting grooves; 13. mounting holes; 14. a gasket is provided.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an inside anti-interference structure of three-phase smart meter, including casing 3 down, 3 lower extremes of casing are provided with fixed joint 4 down, casing 3's upper end is fixed mutually with upper cover plate 1 through the screw thread down, the surperficial center department of upper cover plate 1 is provided with mounting hole 13, be provided with pointer main part 2 on the mounting hole 13, casing 3 inside is provided with mounting groove 12 down, the inside anti-electromagnetic interference ware 11 that is provided with of mounting groove 12, anti-electromagnetic interference ware 11 inside is provided with slotted hole 10, the inside solenoid 8 that is provided with of slotted hole 10, solenoid 8's inside is provided with iron core 6, solenoid 8's surface parcel has insulating lantern ring 5, insulating lantern ring 5 plays insulating.
Further, a sealing gasket 14 is arranged at the joint of the lower shell 3 and the upper cover plate 1, and the sealing gasket 14 can seal and protect the joint from dust.
Further, a choke coil 7 is arranged at the joint of the iron core 6 and the electromagnetic coil 8, and the choke coil 7 plays a role in limiting the alternating current to pass through in a circuit.
Further, a transistor 9 is provided inside the electromagnetic interference preventer 11.
Further, the transistor 9 is embedded in the slot 10, and the transistor 9 is embedded in the anti-electromagnetic interference device 11, so that electronic components inside the transistor 9 can be prevented from being interfered by a magnetic field, and the pointer data of the intelligent meter is more accurate.
Further, the pointer body 2 is connected to the upper cover plate 1 through a shaft pin.
The working principle is as follows: when in use, the lower end of the lower shell 3 is provided with the fixed joint 4, the upper end of the lower shell 3 is fixed with the upper cover plate 1 through threads, the lower shell 3 is tightly connected with the upper cover plate 1 and is convenient to install and disassemble, the lower shell 3 is internally provided with the mounting groove 12, the mounting groove 12 is internally provided with the anti-electromagnetic interference device 11, the anti-electromagnetic interference device 11 is internally provided with the slotted hole 10, the slotted hole 10 is internally provided with the electromagnetic coil 8, the electromagnetic coil 8 is internally provided with the iron core 6, the connection part of the iron core 6 and the electromagnetic coil 8 is provided with the choke coil 7, the choke coil 7 plays a role of limiting the passage of alternating current in a circuit, the outer surface of the electromagnetic coil 8 is wrapped with the insulating lantern ring 5, the insulating lantern ring 5 plays an insulating protection role, the transistor 9 is embedded with the slotted hole 10, and the electronic components in the, therefore, the pointer data of the intelligent meter is more accurate.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an inside anti-interference structure of three-phase smart meter, includes casing (3) down, its characterized in that, casing (3) lower extreme is provided with fixed joint (4) down, and the upper end of casing (3) is fixed mutually with upper cover plate (1) through the screw thread down, the surperficial center department of upper cover plate (1) is provided with mounting hole (13), is provided with pointer main part (2) on mounting hole (13), casing (3) inside is provided with mounting groove (12) down, and mounting groove (12) inside is provided with anti electromagnetic interference ware (11), anti electromagnetic interference ware (11) inside is provided with slotted hole (10), and slotted hole (10) inside is provided with solenoid (8), the inside of solenoid (8) is provided with iron core (6), and the surface parcel of solenoid (8) has insulating lantern ring (5).
2. The internal anti-interference structure of the three-phase intelligent meter according to claim 1, characterized in that: and a sealing gasket (14) is arranged at the joint of the lower shell (3) and the upper cover plate (1).
3. The internal anti-interference structure of the three-phase intelligent meter according to claim 1, characterized in that: and a choke coil (7) is arranged at the joint of the iron core (6) and the electromagnetic coil (8).
4. The internal anti-interference structure of the three-phase intelligent meter according to claim 1, characterized in that: the transistor (9) is arranged inside the anti-electromagnetic interference device (11).
5. The internal anti-interference structure of the three-phase intelligent meter according to claim 4, characterized in that: the transistor (9) is embedded with the slot (10).
6. The internal anti-interference structure of the three-phase intelligent meter according to claim 1, characterized in that: the pointer body (2) is connected with the upper cover plate (1) through a shaft pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183009.1U CN211627649U (en) | 2019-12-09 | 2019-12-09 | Internal anti-interference structure of three-phase intelligent meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183009.1U CN211627649U (en) | 2019-12-09 | 2019-12-09 | Internal anti-interference structure of three-phase intelligent meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211627649U true CN211627649U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922183009.1U Active CN211627649U (en) | 2019-12-09 | 2019-12-09 | Internal anti-interference structure of three-phase intelligent meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211627649U (en) |
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2019
- 2019-12-09 CN CN201922183009.1U patent/CN211627649U/en active Active
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