CN209102775U - A kind of electric power metering device - Google Patents
A kind of electric power metering device Download PDFInfo
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- CN209102775U CN209102775U CN201821847408.2U CN201821847408U CN209102775U CN 209102775 U CN209102775 U CN 209102775U CN 201821847408 U CN201821847408 U CN 201821847408U CN 209102775 U CN209102775 U CN 209102775U
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- table unit
- electric power
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- electric
- power metering
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Abstract
The utility model discloses a kind of electric power metering device, electric-power metering technical fields.The electric power metering device includes electricity meters, electricity meters outer surface is equipped with display screen, inlet line and egress line, the inside of electricity meters includes electrical energy measurement calibrating installation, resonance eliminator and processor, the input terminal of electrical energy measurement calibrating installation is connect with end of incoming cables, the connection of the output end of output end and resonance eliminator, the output end of resonance eliminator is connect with the input terminal of the processor, the output end and display screen of processor are electrically connected, electrical energy measurement calibrating installation includes main metering table unit and secondary metering table unit, main metering table unit and secondary metering units are separately positioned on the same electric energy tariff point both sides of the inlet line.The electric power metering device timely and effective can be handled after large error occurs in electric-power metering or electric device breaks down.
Description
Technical field
The utility model relates to electric-power metering technical fields, more particularly to a kind of electric power metering device.
Background technique
Electric energy metering device is the important equipment measured to user institute electricity consumption, rationally to ensure electric system and use
The accuracy of the related equity at family, electric energy metering device must be protected, there is also more in electric-power metering work at present
The problem of, it is also problem the most serious that electric-power metering error, which is wherein most commonly seen,.
Utility model content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of electric power metering device, solution
Certainly above-mentioned technical problem.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of electric power metering device, including electricity meters, the electricity meters outer surface are equipped with display screen, import
Line and egress line, the inside of the electricity meters include electrical energy measurement calibrating installation, resonance eliminator and processor, the electric energy meter
Amount calibrating installation input terminal connect with end of incoming cables, output end is connect with the output end of the resonance eliminator, the resonance eliminator it is defeated
Outlet is connect with the input terminal of the processor, and the output end of the processor and the display screen are electrically connected, the electric energy
Measurement and calibration device includes main metering table unit and secondary metering table unit, and the main metering table unit and secondary metering units are set respectively
It sets on the same electric energy tariff point both sides of the inlet line.
Further, include in the main metering table unit and secondary metering table unit voltage transformer, current transformer,
Pressure measuring instrument and current measuring instrument.
Further, the voltage transformer and the pressure measuring instrument are correspondingly connected with, the current transformer with it is described
Current measuring instrument is correspondingly connected with, and the output end of the pressure measuring instrument and current measuring instrument electrically connects with the resonance eliminator respectively
It connects.
Further, the voltage transformer in the main metering table unit, current transformer and the secondary metering table unit
Interior voltage transformer, current transformer are all the same.
Further, the inlet line and egress line are in the electricity meters internal series-connection.
The beneficial effects of the utility model are:
1, the utility model provides a kind of electric power metering device, by being provided with electrical energy measurement inside electricity meters
Calibrating installation settles accounts user's electricity by main metering table unit and secondary metering table unit, during use, copes with it
Working condition is regularly detected, to evade the appearance for larger electricity error occur, when large error occurs in electric-power metering
Or electric device break down after timely and effective can be handled.
2, the utility model provides a kind of electric power metering device, connects in internal electrical energy measurement calibrating installation and resonance eliminator
It connects, the overvoltage that the ferromagnetic resonance that can prevent buckling from generating generates often makes the breakdown of equipment interior insulation, external insulation electric discharge, and often
Because accident treatment not in time or fault spread due to causes large-area power-cuts to cause the error of measurement.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of the electricity meters of the utility model；
Fig. 2 is the schematic diagram of internal structure of the electricity meters of the utility model；
Fig. 3 is the inside connection figure of the main metering table unit of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figs. 1-2, a kind of electric power metering device, including electricity meters 1 are set on the electricity meters outer surface
There are display screen 2, inlet line 3 and egress line 4, the inside of the electricity meters 1 includes electrical energy measurement calibrating installation 5, resonance eliminator 6
It is connect with the input terminal of processor 7, the electrical energy measurement calibrating installation 5 with inlet line 3, output end is defeated with the resonance eliminator 6
Enter end connection, the output end of the resonance eliminator 6 is connect with the input terminal of the processor 7, the output end of the processor 7 and institute
State the electric connection of display screen 2.
The internal series-connection of the inlet line 3 and egress line 4 in the electricity meters 1.
The electrical energy measurement calibrating installation includes main metering table unit 8 and secondary metering table unit 9, the main metering table unit
8 are separately positioned on the same electric energy tariff point both sides of the inlet line 3 with secondary metering units 9.
Embodiment 2
As shown in figure 3, embodiment 2 is improvement on that basis of example 1, unlike the first embodiment:
It include voltage transformer 10, current transformer 11, electricity in the main metering table unit 8 and secondary metering table unit 9
Press measuring instrument 12 and current measuring instrument 13.Wherein: the voltage transformer 10 and the pressure measuring instrument 12 connect one to one,
The current transformer 11 connects one to one with the current measuring instrument 13, the pressure measuring instrument 12 and current measuring instrument 13
Output end respectively with the resonance eliminator 6 be electrically connected.It can be to circuit by main metering table unit 8 and secondary metering table unit 9
In voltage and current measure, the two measurement after by resonance eliminator 6 connection prevent circuit builtin voltage is unstable from causing to survey
Error is measured, the data measured by main metering table unit 8 and secondary metering table unit 9 are aobvious by display screen 2 after the processing of processor 7
Show and, when main metering table unit 8 on display screen 2 and secondary metering table unit 9 differ bigger, illustrate internal circuit occur therefore
Barrier needs maintenance in time.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of electric power metering device, it is characterized in that: including electricity meters, the electricity meters outer surface is equipped with display
Screen, inlet line and egress line, the inside of the electricity meters include electrical energy measurement calibrating installation, resonance eliminator and processor, institute
The input terminal for stating electrical energy measurement calibrating installation is connect with the inlet line, and output end is connect with the input terminal of the resonance eliminator, institute
The output end for stating resonance eliminator is connect with the input terminal of the processor, and the output end of the processor electrically connects with the display screen
It connects, the electrical energy measurement calibrating installation includes main metering table unit and pair measures table unit, the main metering table unit and secondary meter
Amount unit is separately positioned on the same electric energy tariff point both sides of the inlet line.
2. a kind of electric power metering device according to claim 1, it is characterised in that: the main metering table unit and secondary metering
It include voltage transformer, current transformer, pressure measuring instrument and current measuring instrument in table unit.
3. a kind of electric power metering device according to claim 2, it is characterised in that: the voltage transformer and the voltage
Measuring instrument is correspondingly connected with, and the current transformer is correspondingly connected with the current measuring instrument, and the pressure measuring instrument and electric current are surveyed
The output end for measuring instrument is electrically connected with the resonance eliminator respectively.
4. a kind of electric power metering device according to claim 2, it is characterised in that: the voltage in the main metering table unit
Mutual inductor, current transformer and voltage transformer, the current transformer in the secondary metering table unit are all the same.
5. a kind of electric power metering device according to claim 1, it is characterised in that: the inlet line and egress line are described
Electricity meters internal series-connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821847408.2U CN209102775U (en) | 2018-11-10 | 2018-11-10 | A kind of electric power metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821847408.2U CN209102775U (en) | 2018-11-10 | 2018-11-10 | A kind of electric power metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102775U true CN209102775U (en) | 2019-07-12 |
Family
ID=67158911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821847408.2U Active CN209102775U (en) | 2018-11-10 | 2018-11-10 | A kind of electric power metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102775U (en) |
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2018
- 2018-11-10 CN CN201821847408.2U patent/CN209102775U/en active Active
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