CN208297579U - Three-phase electric energy meter - Google Patents
Three-phase electric energy meter Download PDFInfo
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- CN208297579U CN208297579U CN201820408688.0U CN201820408688U CN208297579U CN 208297579 U CN208297579 U CN 208297579U CN 201820408688 U CN201820408688 U CN 201820408688U CN 208297579 U CN208297579 U CN 208297579U
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- electric energy
- energy meter
- case lid
- phase electric
- cleaning device
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Abstract
A kind of three-phase electric energy meter, including cabinet and case lid, there is visual window on case lid, there is liquid crystal display on cabinet, the three-phase electric energy meter also has the cleaning device for cleaning the liquid crystal display, there is the STATEMENT OF FEDERALLY SPONSORED for driving the cleaning device, when turning on or off the case lid, the case lid drives the cleaning device to move reciprocatingly under the action of the STATEMENT OF FEDERALLY SPONSORED between the cabinet and case lid.
Description
[technical field]
The utility model is about a kind of three-phase electric energy meter more particularly to a kind of three-phase electric energy of visual window automatic dust removing
Table.
[background technique]
Protective device of the electric energy metering box as electric energy meter, be widely used in municipal administration, cell, telecommunications, electric power, rural power grids, factory,
Enterprise, organ, heating power, fire-fighting etc. have communal facility place.Traditional electric energy meter case is made of cabinet, case lid, and case lid is equipped with side
Just user or staff table look-up the visual window of reading, and the data on liquid crystal display are seen by visual window.But due to most of
Electric energy metering box is mounted on outdoor or open air, passes through exposing to the weather for a long time, and the liquid crystal display of electric energy metering box can accumulate dust, Yong Huhuo
Staff needs specially to carry rag when checking electric energy meter or wipes liquid crystal display with hand, brings not to user or staff
Just.
Therefore a kind of improved three-phase electric energy meter dust-extraction unit is needed to carry out overcome the deficiencies in the prior art.
[utility model content]
The main purpose of the utility model is to provide a kind of three-phase electric energy meters, can clear up the three-phase electricity of dust automatically
Energy table, to solve the problems, such as that the liquid crystal display accumulation dust of conventional three-phase electric energy meter is inconvenient to remove.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of three-phase electric energy meter, including cabinet
With case lid, there is visual window on case lid, there is liquid crystal display on cabinet, the three-phase electric energy meter also has the cleaning liquid crystal
The cleaning device of display, with having the STATEMENT OF FEDERALLY SPONSORED for driving the cleaning device between the cabinet and case lid, when beating on or off
When closing the case lid, the case lid drives the cleaning device to move reciprocatingly under the action of the STATEMENT OF FEDERALLY SPONSORED.
In order to solve the above technical problems, the utility model is further arranged to: the cleaning device is hairbrush.
The utility model has the following technical effect that the three-phase electric energy meter is possibly used for the occasion of bad environments, in wind
In the case that rain is beaten, the liquid crystal display surface of three-phase electric energy meter has dust and water mist, which can automatic cleaning liquid crystal
The dust and water mist of display surface, it is simple and convenient.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model three-phase electric energy meter ontology.
Fig. 2 is the schematic diagram that the utility model three-phase electric energy meter ontology opens case lid.
Fig. 3 is the top view that the utility model three-phase electric energy meter ontology and mounting plate are installed together.
Fig. 4 is the schematic diagram that three-phase electric energy meter ontology is docked with the terminal of mounting plate in Fig. 3.
Fig. 5 is the structural block diagram of three-phase electric energy meter.
[specific embodiment]
As shown in Figures 1 to 5, the three-phase electric energy meter of the utility model includes ontology 2 and mounting plate 1, mounting plate 1 and ontology
It is coupled by the guiding groove 21 being located in alternative one with the sliding block 11 for being located at another in alternative one between 2,
Mounting plate 1 and ontology 2 is set to carry out Fast Installation in disassembly, structure is simple, facilitates the maintenance of three-phase electric energy meter.Mounting plate 1 and sheet
With at least the damping between mounting plate and ontology is used for elastic component 3 between body 2, when three-phase electric energy meter is used for special field
It closes, such as shakes bigger occasion, prevent the electric connection between ontology and mounting plate from falling off, elastic component 3 is Elastic plastic-rubber part.Modeling
Glue part is located at least in mounting plate 1 and 2 one of both of ontology.As shown in Figure 1, ontology 2 has a front surface and a rear surface and positioned at two
The side surface of side, ontology 2 have the groove to be formed that is recessed inwardly from two sides, are configured to that ontology 2 is guided to slide along mounting plate 1
Guiding groove 21, ontology rear surface and ontology 1, all have elastic component 3 between side surface and ontology 1, mounting plate 1 has one
The rear surface of ontology 2 is housed in the inside by accommodating space (not indicating).
Ontology 2 is equipped with case lid 26 and cabinet 22, there is visual window on case lid 26, shown on cabinet 22 with liquid crystal display
The reading of three-phase electric energy meter has cleaning device 23 on ontology 2, and cleaning device 23 is the hairbrush 232 that can be cleaned in liquid crystal screen surfaces,
There is the linkage mechanism 231 that can drive cleaning item, when opening case lid, with the opening of case lid, connection between case lid and cabinet
Motivation structure drives cleaning item 23 to move back and forth, and cleans the dust of liquid crystal screen surfaces.Also with the use of setting unit 24 on cabinet 22
In the parameter of setting three-phase electric energy meter.
The lower surface of ontology 2 also has terminal 20 for docking with the terminal 10 on mounting plate 1, and ontology and mounting plate are wherein
One of there is male terminal, another in the two is female end terminal, and male terminal is the elastic portion that two bendings are formed, and works as female end
When terminal 1 is inserted into, male terminal occurs flexible deformation and holds female end terminal.By between terminal between ontology and mounting plate
Docking, it is simple and convenient, and elastic connection between terminal, connection are reliable.
There is three-phase electric energy meter three-phase current sample circuit 81 metering units 83 are connect with three-phase voltage sample circuit 82, count
For ATT7022B, 83 pairs of the metering units voltage signals accessed and current signal are sampled and are transported the chip that amount unit uses
It calculates, obtains the data such as voltage, electric current, power and electricity, then read by microcontroller 84 by SP I bus timing, and by micro-
Controller is further processed.Microcontroller 84 is signal processing circuit using low-power consumption, the FM3308 single-chip microcontroller of large capacity
Core.Display unit 85 and push-button unit 86 are for showing and inquiring the various amounts of ordering, logout, status information, Yong Huxin
Breath, communication unit 87 can be RS485 communicating circuit, infrared communication circuit, GPRS wireless communication line, power carrier communication electricity
One or more of road and micro-power wireless communication circuit, are based on infrared communication circuit, and the utility model can be by hand-held
Palm PC or IR remote controller carry out copy reading and inquiry to electric energy meter information, and therefore, the utility model can be according to specific requirements
And flexible choice communication modes, the utility model have outstanding advantages of compatible strong, replacement is flexible and convenient.Clock unit 88 is
Three-phase electric energy meter provides accurately and reliably clock, also provides markers for three-phase electric energy meter time-shared charge, logout etc., and storage is single
Member is used to store the data informations such as electricity consumption data, monitor event record, load record and parameter configuration.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (2)
1. a kind of three-phase electric energy meter, including cabinet and case lid, there is visual window on case lid, there is liquid crystal display on cabinet,
Be characterized in that: the three-phase electric energy meter also has the cleaning device for cleaning the liquid crystal display, has between the cabinet and case lid
Have with the STATEMENT OF FEDERALLY SPONSORED for driving the cleaning device, when turning on or off the case lid, the case lid is in the STATEMENT OF FEDERALLY SPONSORED
Effect is lower to drive the cleaning device to move reciprocatingly.
2. three-phase electric energy meter as described in claim 1, it is characterised in that: the cleaning device is hairbrush.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820408688.0U CN208297579U (en) | 2018-03-26 | 2018-03-26 | Three-phase electric energy meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820408688.0U CN208297579U (en) | 2018-03-26 | 2018-03-26 | Three-phase electric energy meter |
Publications (1)
Publication Number | Publication Date |
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CN208297579U true CN208297579U (en) | 2018-12-28 |
Family
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Family Applications (1)
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CN201820408688.0U Active CN208297579U (en) | 2018-03-26 | 2018-03-26 | Three-phase electric energy meter |
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CN (1) | CN208297579U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109875276A (en) * | 2019-03-29 | 2019-06-14 | 高歆怡 | A kind of shoe chest with self-cleaning function |
-
2018
- 2018-03-26 CN CN201820408688.0U patent/CN208297579U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109875276A (en) * | 2019-03-29 | 2019-06-14 | 高歆怡 | A kind of shoe chest with self-cleaning function |
CN109875276B (en) * | 2019-03-29 | 2021-02-09 | 苏州巴涛信息科技有限公司 | Shoe cabinet with self-cleaning function |
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