CN2795866Y - Electric energy meter by using solar energy cell to provide auxiliary power - Google Patents
Electric energy meter by using solar energy cell to provide auxiliary power Download PDFInfo
- Publication number
- CN2795866Y CN2795866Y CN 200520071353 CN200520071353U CN2795866Y CN 2795866 Y CN2795866 Y CN 2795866Y CN 200520071353 CN200520071353 CN 200520071353 CN 200520071353 U CN200520071353 U CN 200520071353U CN 2795866 Y CN2795866 Y CN 2795866Y
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy meter
- main body
- solar cell
- meter main
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an electric energy meter by using a solar energy battery to provide auxiliary power, which comprises an electric energy meter main body. A solar energy battery is arranged in a visual area of the electric energy meter main body; a unidirectional charging circuit is formed by the way that the solar energy battery is connected in series with a diode arranged in the electric energy meter main body and a capacitor with the cathode connected with the earth. After a main power supply of the electric energy meter main body is switched off, the capacitor discharges electricity to the electric energy meter main body after charged by the solar energy battery to provide auxiliary power needed by the functions of power failure display, meter reading, etc. The utility model has the advantages of sufficient utilization of the luminous energy source, simple structure, reliable operation and no pollution.
Description
Affiliated technical field
The utility model relates to a kind of electric energy meter, especially a kind of electric energy meter that utilizes solar cell that accessory power supply is provided.
Background technology
Tradition power failure demonstration of electric energy meter and power failure function such as check meter adopts battery or electric capacity that working power is provided usually, battery powered shortcoming is that mission life is limited, needs to change behind the use certain hour, brings more inconvenience for the use of electric energy meter, and refuse battery belongs to pollutant, influences environment; The shortcoming of capacitances to supply power is after working long hours, and electric capacity discharge easily falls power loss, influences the overall performance of electric energy meter.
Summary of the invention
The purpose of this utility model is to provide a kind of electric energy meter that utilizes solar cell that accessory power supply is provided, and it has overcome the deficiencies in the prior art.
The purpose of this utility model is achieved in that it comprises the electric energy meter main body, in the viewing area of described electric energy meter main body, solar cell is installed, in described electric energy meter main body, be provided with diode and electric capacity, described solar cell forward successively is connected in series described diode and electric capacity, form unidirectional charge circuit, described electric capacity minus earth, after the primary power source de-energizes of described electric energy meter main body, described electric capacity discharges required auxiliary power consumption to described electric energy meter main body after by rechargeable solar battery.
At a described electric capacity two ends voltage stabilizing element also in parallel, its anode links to each other with the negative pole of described electric capacity, and its negative electrode links to each other with the positive pole of described electric capacity.
Described voltage stabilizing element is a stabilivolt.
Described voltage stabilizing element is the TVS pipe.
The beneficial effects of the utility model are: make full use of light energy source, and simple in structure, easy to use, good reliability, no battery pollution.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a side partial sectional view of the present utility model.
Fig. 3 is a circuit working principle schematic of the present utility model.
Among the figure: 1. electric energy meter main body; 2. solar cell.
Embodiment
The utility model utilizes solar cell that the electric energy meter of accessory power supply is provided, comprise electric energy meter main body 1, solar cell 2 is installed in the viewing area of electric energy meter main body 1, the solar energy direct irradiation is guaranteed to solar cell 2 in this viewing area, and Fig. 1 has only provided a kind of installation site signal of solar cell 2; Be provided with diode D2 and capacitor C 1 in electric energy meter main body 1, as shown in Figure 3, solar cell 2 is be connected in series diode D2 and capacitor C 1 of forward successively, form unidirectional charge circuit, the negative pole of capacitor C 1 is ground connection simultaneously, during operate as normal, by the primary power of electric energy meter main body 1 to capacitor C 1 charging; After the primary power source de-energizes of electric energy meter main body 1, charge by 2 pairs of capacitor C of solar cell 1, and discharge electric weight to electric energy meter main body 1, for realizing functions such as power failure shows or power failure is checked meter, electric energy meter main body 1 provides required auxiliary electricity consumption.
For stablizing the voltage at electric capacity C1 two ends, prevent overvoltage, the voltage stabilizing element D3 also in parallel at capacitor C 1 two ends, this voltage stabilizing element can be stabilivolt or TVS pipe or other voltage stabilizing elements, the anode of voltage stabilizing element D3 links to each other with the negative pole of capacitor C 1, and its negative electrode links to each other with the positive pole of capacitor C 1.
Claims (4)
1, a kind of electric energy meter that utilizes solar cell that accessory power supply is provided, comprise electric energy meter main body (1), it is characterized in that also comprising the solar cell (2) that is installed in described electric energy meter main body (1) viewing area, in described electric energy meter main body (2), be provided with diode (D2) and electric capacity (C1), described solar cell (2) forward successively is connected in series described diode (D2) and electric capacity (C1) and forms unidirectional charge circuit, described electric capacity (C1) minus earth, after the primary power source de-energizes of described electric energy meter main body (2), described electric capacity (C1) discharges required auxiliary electricity consumption by solar cell (2) charging back to described electric energy meter main body (2).
2, a kind of electric energy meter that utilizes solar cell that accessory power supply is provided according to claim 1, it is characterized in that going up a voltage stabilizing element also in parallel (D3) at described electric capacity (C1), its anode links to each other with the negative pole of described electric capacity (C1), and its negative electrode links to each other with the positive pole of described electric capacity (C1).
3, a kind of electric energy meter that utilizes solar cell that accessory power supply is provided according to claim 2 is characterized in that described voltage stabilizing element (D3) is a stabilivolt.
4, a kind of electric energy meter that utilizes solar cell that accessory power supply is provided according to claim 2 is characterized in that described voltage stabilizing element (D3) is the TVS pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071353 CN2795866Y (en) | 2005-05-08 | 2005-05-08 | Electric energy meter by using solar energy cell to provide auxiliary power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071353 CN2795866Y (en) | 2005-05-08 | 2005-05-08 | Electric energy meter by using solar energy cell to provide auxiliary power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2795866Y true CN2795866Y (en) | 2006-07-12 |
Family
ID=36813621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520071353 Expired - Lifetime CN2795866Y (en) | 2005-05-08 | 2005-05-08 | Electric energy meter by using solar energy cell to provide auxiliary power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2795866Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008046250A1 (en) * | 2006-10-19 | 2008-04-24 | Lijun Xuan | A capacitor energy-stored wristwatch without batteries |
| CN102338826A (en) * | 2011-06-17 | 2012-02-01 | 杭州炬华科技股份有限公司 | Three-phase intelligent electric energy meter with auxiliary power supply |
-
2005
- 2005-05-08 CN CN 200520071353 patent/CN2795866Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008046250A1 (en) * | 2006-10-19 | 2008-04-24 | Lijun Xuan | A capacitor energy-stored wristwatch without batteries |
| CN102338826A (en) * | 2011-06-17 | 2012-02-01 | 杭州炬华科技股份有限公司 | Three-phase intelligent electric energy meter with auxiliary power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 226200 Jiangsu city in Qidong Province Economic Development Zone No. 666 Lin Yang Lu Patentee after: Jiangsu Linyang Electronics Co., Ltd. Address before: 226200 No. 1259 Renmin West Road, Jiangsu, Qidong Patentee before: Linyang Electronics Co., Ltd., Jiangsu |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150508 Granted publication date: 20060712 |