CN2144763Y - Energy saving life-prolonging safety lamps and lanterns - Google Patents
Energy saving life-prolonging safety lamps and lanterns Download PDFInfo
- Publication number
- CN2144763Y CN2144763Y CN 92220623 CN92220623U CN2144763Y CN 2144763 Y CN2144763 Y CN 2144763Y CN 92220623 CN92220623 CN 92220623 CN 92220623 U CN92220623 U CN 92220623U CN 2144763 Y CN2144763 Y CN 2144763Y
- Authority
- CN
- China
- Prior art keywords
- lamp
- lamp holder
- electrode
- power interface
- down transformer
- 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 - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an incandescent lamp. A step down transformer is arranged between a supply interface electrode and a lamp cap electrode. The lamp has the advantages of power save, long-effect and safety.
Description
The utility model relates to a kind of electric lighting device that uses point source of light.
Existing interchange incandescent light fitting is made of lamp socket, lamp holder and power interface usually as incandescent desk lamp, pendent lamp and wall lamp, and lamp holder is fixed on the lamp socket, and power interface electrode and lamp holder electrode directly join.Join by power interface and AC power, the incandescent lamp bulb that joins with lamp holder is worked under the voltage about 220 volts.The service life of the incandescent lamp of working under above-mentioned voltage is shorter usually, and energy consumption is also bigger.In addition, when human body touches in the lamp holder electrode accidentally, be easy to take place electric shock accidents.Therefore, the existing incandescent light fitting that exchanges exists certain defective.
The purpose of this utility model is the defective that overcomes above-mentioned existing light fixture, and a kind of long service life, lower, the difficult energy-conservation long-term safety light fixture that electric shock accidents takes place of energy consumption are provided.
Energy-conservation long-term safety light fixture of the present utility model has lamp socket, lamp holder and power interface, and lamp holder is fixed on the lamp socket.In the utility model, between power interface electrode and lamp holder electrode, be provided with step-down transformer especially, the elementary winding of step-down transformer connects the power interface electrode, and the secondary windings of step-down transformer connects lamp holder electrode.Like this, when the AC power of power interface and power supply grid was joined, after the step-down transformer step-down, the voltage at lamp holder place was low-voltage, promptly worked under low-voltage with the incandescent lamp that lamp holder joins.As long as suitably choose the turn ratio of primary and secondary winding of step-down transformer, in the scope that lamp holder place voltage is remained on be difficult for human body is damaged, thereby improve the security performance of light fixture.In addition, when incandescent lamp was under low pressure worked, rised appreciably its service life, and energy consumption is less.
Therefore, light fixture of the present utility model is compared with aforementioned existing similar light fixture, has energy-conservation, long-acting, safe characteristics.
Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.
Fig. 1 is the structural representation of desk-top energy-conservation long-term safety light fixture among the embodiment.
Fig. 2 is an electrical schematic diagram.
As shown in Figure 1, the power interface 4 that the light fixture among the embodiment has lamp socket 1, lamp holder 2, step-down transformer 3, a plug form be connected flexible pipe 5, lamp holder 2 is fixed on the lamp socket 1 by connecting flexible pipe 5.On lamp socket 1, also be set with by-pass cock 6.
As shown in Figure 2, in the light fixture of present embodiment, step-down transformer B1 is arranged between power interface electrode c, d and lamp holder electrode e, the f.The elementary winding of B1 meets power interface electrode c, d, and the secondary windings of B1 meets lamp holder electrode e, f by by-pass cock K1, and the contact of K1 can be respectively be connected with secondary windings tap b2, b3, the b4 of B1.In the present embodiment, utilize by-pass cock K1 that lamp holder place voltage is regulated, make it between 10～20 volts, to change, and then regulate incandescent lamp brightness.
Claims (1)
1, a kind of energy-conservation long-term safety light fixture, have lamp socket, lamp holder and power interface, lamp holder is fixed on the lamp socket, it is characterized in that between power interface electrode and lamp holder electrode, being provided with step-down transformer, the elementary winding of step-down transformer connects the power interface electrode, and the secondary windings of step-down transformer connects lamp holder electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220623 CN2144763Y (en) | 1992-11-04 | 1992-11-04 | Energy saving life-prolonging safety lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220623 CN2144763Y (en) | 1992-11-04 | 1992-11-04 | Energy saving life-prolonging safety lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2144763Y true CN2144763Y (en) | 1993-10-27 |
Family
ID=33767630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92220623 Expired - Fee Related CN2144763Y (en) | 1992-11-04 | 1992-11-04 | Energy saving life-prolonging safety lamps and lanterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2144763Y (en) |
-
1992
- 1992-11-04 CN CN 92220623 patent/CN2144763Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |