CN200961800Y - DC light source electromagnetic radiation-free movable lamp - Google Patents
DC light source electromagnetic radiation-free movable lamp Download PDFInfo
- Publication number
- CN200961800Y CN200961800Y CNU2006201382076U CN200620138207U CN200961800Y CN 200961800 Y CN200961800 Y CN 200961800Y CN U2006201382076 U CNU2006201382076 U CN U2006201382076U CN 200620138207 U CN200620138207 U CN 200620138207U CN 200961800 Y CN200961800 Y CN 200961800Y
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- China
- Prior art keywords
- conductive
- direct current
- light source
- radiation
- electromagnetic
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
- F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model belongs to the lighting lamp field, relating to a non electric magnetic radiation portable light apparatus with a direct current light resource, more particularly a non electric magnetic radiation desk light. The direct current light resource, a holed conductive light reflecting board cooperated with the size and shape of the light source, a conductive barrier shell, a conductive barrier box, a barrier soft wore, and a tri-core alternative power plug with a ground connecting pin form a fine light resource electric supplying pipeline for the conductive barrier and ground connecting, obtains an effective rejection of the electric magnetic radiation of portable lamps, and can protect users from suffering the endanger from the electric magnetic radiation. The direct light resource outgoes the hole on the conductive reflecting board to supply light without decreasing the lightness of the light resource. The utility model has a simple structure, a good protection effect of electric magnetic radiation with a low cost which is easy to be produced.
Description
Affiliated technical field
The utility model relates to a kind of desk lamp of electromagnetic-radiation-free movable light fixture, especially electromagnetic-radiation-free of direct current light source.
Background technology
At present, known movable lamp structure is made up of light source, lamp socket, switch, electric power connection line, direct current output stabilized power source or alternating current ballast, base etc., adopts direct current energy or AC energy driving light source luminous.When connecting the use of power supply and light fixture, parts such as the electric power connection line of light fixture, direct current output stabilized power source or alternating current ballast, lamp holder, AC-operated light sources will produce extremely strong electromagnetic radiation around it.
Electromagnetic radiation is the environmental pollution of human body health as an influence, and light fixture has become one of electromagnetic radiation pollution source main in our living environment.When movable light fixture used, it and user's distance is very near, and was very big to user's electromagnetic radiation, particularly head.At present, the design of movable light fixture and the parts selected for use can't suppress the electromagnetic radiation of light fixture effectively.
The direct current light source itself is a kind of illuminating device of electromagnetic-radiation-free, for example light emitting diode (LED) and halogen tungsten lamp.But because the power supply in the daily life all is an AC power, the direct current energy that drives the direct current light source converts alternating current to direct current by direct current output stabilized power source to be provided, the direct current light source that has also needs special-purpose drive circuit, and these parts all can be coupled and produce the alternating electromagnetism radiation.
The ELECTROMAGNETIC RADIATION SHIELDING body that conductive material constitutes and the good conductive ground connection of shield are the major techniques of eliminating electromagnetic radiation.The electromagnetic radiation of light fixture mainly is power frequency electromagnetic field and low frequency electromagnetic field, the electromagnetic radiation that can shield light fixture equally effectively with the plate of conductive material or the conductive material grid of little perforate.
Summary of the invention
In order to overcome the problem that existing movable light fixture can not effectively suppress electromagnetic radiation, the utility model provides a kind of movable light fixture of direct current light source that can effectively suppress electromagnetic radiation.
The technical scheme that its technical problem that solves the utility model adopts is: the perforate conduction reflector that uses direct current light source, cooperation dimension of light source and shape, the light source power supply circuit of conductive shield and good earth, be with three core ac power plugs of grounding pin, reach the purpose of effective inhibition light fixture electromagnetic radiation.
Concrete technical scheme is: (1) adopts the light source of low-voltage DC supply, comprises light emitting diode (LED); (2) adopt the conduction reflector of cooperation light source form size perforate and the conductive shield shell is formed with effect to light source driving circuit plate and light source lamp socket electromagnetic shielding; (3) the direct current light source stretch out the conduction reflector perforate illumination is provided; (4) adopt the conductive shield box that direct current is exported voltage-stabilized power supply and power switch carries out electromagnetic shielding; (5) direct current output output end of stabilized voltage supply adopts the two cores shielding cord of band conducting metal screen layer to the dc source connecting line of direct current light source; (6) AC Power supply socket to the AC power connecting line of direct current output voltage-stabilized power supply input adopts the two cores shielding cord of band conducting metal screen layer, and an end connects core electric power plug, and (the conducting metal screen layer is connected to grounding pin (E), two core electric wires are connected respectively to live wire pin (L) and zero line pin (N) according to standard; (7) with the conducting metal screen layer of the conductive shield box body of the conducting metal screen layer of AC power connecting line, direct current output voltage-stabilized power supply and power switch, dc source connecting line, and lampshade conductive shield box (constituting with the conductive shield shell) by perforate conduction reflector carry out favorable conductive and be connected, and be connected to the conductive earthing point of AC Power supply socket by three-prong plug; (8), also need to adopt three-prong plug to guarantee that its conductive shield box body connects with the good conductive of the earth point of AC Power supply socket for the direct insertion direct current output of the one of direct insertion supply socket voltage-stabilized power supply.
The beneficial effects of the utility model are can suppress the electromagnetic radiation of movable light fixture effectively, protection user's safety.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is the front structural map of perforate conduction reflector.
Fig. 3 is the cutaway view of two cores shielding cord.
Among Fig. 1: 1. perforate conduction reflector, 2. direct current light source is as LED, 3. conductive shield shell, 4. lampshade shell, 5. direct current light source driving circuit and lamp socket, 6. Lamp shade holder, 7. dc source connecting line (two cores shielding cord), 8. direct current output voltage-stabilized power supply, 9. the conductive shield box of direct current output voltage-stabilized power supply and power switch, 10. AC power connecting line (two cores shielding cord), 11. core electric power plug, 12. power switches, 13. bases.
Among Fig. 2: 1. perforate conduction reflector, 2. direct current light source, 14. cooperate the perforate of direct current dimension of light source.
Among Fig. 3: 15. cords, 16. conducting metal screen layers, 17. external protections.
The specific embodiment
In Fig. 1, perforate conduction reflector (1) and conductive shield shell (3) form the conductive shield box of an electromagnetic radiation shielding to direct current light source driving circuit and lamp socket (5); (1) and the grounding pin (E) of the conducting metal screen layer of the conductive shield box (9) of conducting metal screen layer, direct current output voltage-stabilized power supply (8) and the power switch (12) of (3) shielding box of constituting, dc source connecting line (7), AC power connecting line (10), core electric power plug (11) adopt and conduct electricity good method of attachment and be connected into an ELECTROMAGNETIC RADIATION SHIELDING body; By the conductive earthing pin of three core supply sockets and the earth point that is connected with its conduction, the electromagnetic radiation that shields and be coupled is eliminated.
In Fig. 1 and Fig. 2, direct current light source (2) stretches out from the perforate of perforate conduction reflector (1), and illumination is provided.In Fig. 2, the geomery of conduction reflector perforate (14) is according to the design of the geomery of direct current light source, neither stops the light of light source, also effective electromagnetic radiation shielding.
Claims (7)
1. the movable light fixture of the electromagnetic-radiation-free of a direct current light source, comprise direct current light source, light source driving circuit and lamp socket, reflector, lampshade, Lamp shade holder, base, direct current output stabilized power source, power switch, electric power connection line, core electric power plug, it is characterized in that: direct current light source (2) stretches out the perforate of perforate conduction reflector (1), and illumination is provided; Perforate conduction reflector (1) and conductive shield shell (3) form the conductive shield box of an electromagnetic radiation shielding to direct current light source driving circuit and lamp socket (5); Dc source connecting line (7) and AC power connecting line (10) all adopt two cores shielding cord; Direct current output voltage-stabilized power supply (8) and power switch (12) all adopt conductive shield box (9) shielding; One end of AC power connecting line (10) adopts core electric power plug (11), and the conducting metal screen layer of AC power connecting line (10) is connected with the grounding pin of core electric power plug conduction; The grounding pin of the conductive shield box (9) of the shielding box that perforate conduction reflector (1) and conductive shield shell (3) constitute, the metal screen layer of dc source connecting line (7), direct current output voltage-stabilized power supply (8) and power switch (12), the metal screen layer of AC power connecting line (10), core electric power plug (11) adopts the good method of attachment of conduction to be connected into an ELECTROMAGNETIC RADIATION SHIELDING body; Conductive earthing lock pin by three core supply sockets and the earth point that is connected with its conduction will shield and the electromagnetic radiation of coupling platform eliminates.
2. the movable light fixture of the electromagnetic-radiation-free of a kind of direct current light source according to claim 1 is characterized in that with the direct insertion direct current output of the one of conductive shield box and three-prong plug stabilized power source (8).
3. the movable light fixture of the electromagnetic-radiation-free of a kind of direct current light source according to claim 1, it is characterized in that the perforate conduction reflector (1) with conductive material layer, conductive material can be conductive metal sheet, conductive metal mesh, conductive metal film, conductive plastics or conductive fabric.
4. the movable light fixture of the electromagnetic-radiation-free of a kind of direct current light source according to claim 1, it is characterized in that shielding case (3) and shielding box (9) with conductive material layer, conductive material can be conductive metal sheet, conductive metal mesh, conductive metal film, conductive plastics or conductive fabric.
5. the movable light fixture of the electromagnetic-radiation-free of a kind of direct current light source according to claim 1, the lamp that it is characterized in that conducting metal or band conductive material layer is put shell (4), and conductive material can be conductive metal sheet, conductive metal mesh, conductive metal film, conductive plastics or conductive fabric.
6. the movable light fixture of the electromagnetic-radiation-free of a kind of direct current light source according to claim 1 is characterized in that the conductive shield shell (3) and the conductive shield box (9) of perforate.
7. the movable light fixture of the electromagnetic-radiation-free of a kind of direct current light source according to claim 1 is characterized in that the direct current light source is light emitting diode (LED), light emitting diode bulb or halogen tungsten bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201382076U CN200961800Y (en) | 2006-09-18 | 2006-09-18 | DC light source electromagnetic radiation-free movable lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201382076U CN200961800Y (en) | 2006-09-18 | 2006-09-18 | DC light source electromagnetic radiation-free movable lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200961800Y true CN200961800Y (en) | 2007-10-17 |
Family
ID=38798318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201382076U Expired - Fee Related CN200961800Y (en) | 2006-09-18 | 2006-09-18 | DC light source electromagnetic radiation-free movable lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200961800Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9920909B2 (en) | 2012-02-03 | 2018-03-20 | Philips Lighting Holding B.V. | Lighting driver and housing having internal electromagnetic shielding layer configured for direct connection to circuit ground |
-
2006
- 2006-09-18 CN CNU2006201382076U patent/CN200961800Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9920909B2 (en) | 2012-02-03 | 2018-03-20 | Philips Lighting Holding B.V. | Lighting driver and housing having internal electromagnetic shielding layer configured for direct connection to circuit ground |
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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 |