CN102042501B - LED bactericidal lamp - Google Patents
LED bactericidal lamp Download PDFInfo
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- CN102042501B CN102042501B CN200910186271A CN200910186271A CN102042501B CN 102042501 B CN102042501 B CN 102042501B CN 200910186271 A CN200910186271 A CN 200910186271A CN 200910186271 A CN200910186271 A CN 200910186271A CN 102042501 B CN102042501 B CN 102042501B
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Abstract
The invention relates to an LED bactericidal lamp which comprises a connecting head, a photo-permeable lamp body which is fixedly arranged on the connecting head, and a luminous light source which is arranged in the lamp body, wherein the luminous light source comprises a plurality of LED lamp beads and plurality of ultraviolet (UVC) lamp heads which are arranged in parallel; the lamp body is further internally and respectively provided with an LED drive circuit board which is electrically connected with the LED lamp beads for driving the LED lamp beads to be luminous and an UVC drive circuit board which is electrically connected with the UVC lamp heads for driving the UVC lamp heads to be luminous; and the LED lamp beads are closely provided with a plurality of optical lenses for controlling the angles of light rays of the LED lamp beads. The optical lenses are arranged on the luminous light paths of the LED lamp beads, so that the light rays which are emitted by a plurality of LEDs can be respectively focused by the optical lenses and are emitted simultaneously. Therefore, the LED bactericidal lamp reduces the influence caused by the divergent light rays among the LEDs, guarantees that the light-emitting angles of the light rays emitted by the LED lamp to be same and a plurality of emitted light spots to be more even, reduces the glare, and is suitable for use for a long time.
Description
Technical field
The present invention relates to a kind of LED illuminating lamp.
Background technology
LED (light emitting diode, light emitting dioed) light source is widely used as a kind of novel light source, and main cause is: light emitting diode possesses long service life, and power consumption is few, rich color and do not have advantages such as stroboscopic, environmental protection.
Ultraviolet (UV) C lamp is applied in medical institutions and the catering system usually, to reach the purpose of sterilizing.After SARS, ultraviolet lamp begins to come into family, school gradually, and combines with the LED lamp gradually and throw light on, and forms the LED bactericidal lamp; But existing LED bactericidal lamp light is relatively dispersed, and hot spot is more, is easy to generate dazzle; Therefore, the long-time use produces injury to eyes easily.
Summary of the invention
The present invention is exactly that a kind of rising angle that proposes for the deficiency that solves prior art is identical, the uniform LED bactericidal lamp of hot spot, and circuit of the present invention is driving LED lamp and UVC ultraviolet ray simultaneously.
In order to reach the foregoing invention purpose; The technical scheme that the present invention adopts is: a kind of LED bactericidal lamp; Comprise connector, be fixedly installed on printing opacity lamp body on the connector, be arranged on the illuminating source in the lamp body; Described illuminating source comprises a plurality of LED lamp pearl, UVC lamp holders that are arranged side by side; And in described lamp body, also being provided with respectively is electrically connected with described LED lamp pearl is used for the luminous led drive circuit plate of driving LED lamp pearl, being electrically connected with described UVC lamp holder is used to drive the luminous UVC drive circuit board of UVC lamp holder, it is characterized in that: on described LED lamp pearl, be provided with the lens that are used to control LED lamp pearly-lustre line angle degree closely.
Further, described lens are planoconvex lens, and the planar portions phase-splitting of described LED lamp pearl and lens is close to.
Described lens adopt shelled peanut type lens.
Described lamp body comprises the uncovered plastic casing that holds described drive plate circuit and UVC lamp holder and covers described plastic casing and LED lamp pearl and lens are positioned at transparent cover wherein, on described plastic casing, offers many optical transmission windows that communicate with the plastic casing inner chamber.
The ultraviolet wavelength of sending of described UVC lamp holder is between 172nm-185nm.
Owing to adopt technique scheme; The present invention has following advantage: this circuit is driving LED lamp and UVC ultraviolet ray simultaneously, and in the LED light-illuminating, the ultraviolet ray that the UVC lamp sends can produce ozone by ionized air; The sterilization of ozone ability, sterilization; Remedying ultraviolet ray on the one hand only has the shortcoming at dead angle along straightline propagation, sterilization, brought into play the effect of LED Lantern Festival ability environmental protection on the other hand, and the present invention adopts ozone sterilization can not endanger the human body product.Simultaneously through on the luminous light path of LED lamp pearl, lens being set; After the light that makes a plurality of LED send can be distinguished the focusing of scioptics, send out together again, reduced the divergent rays influence between each LED lamp like this; The rising angle that has guaranteed the light that the LED lamp sends is identical; And the hot spot of outgoing is comparatively even, reduces dazzle, is suitable for long-term use.
Description of drawings
Accompanying drawing 1 is the structural representation of LED bactericidal lamp of the present invention;
Accompanying drawing 2 is LED bactericidal lamp drive circuit figure of the present invention;
Wherein: 1, connector; 2, lamp body; 21, plastic casing; 211, optical transmission window; 22, transparent cover; 3, illuminating source; 31, LED lamp pearl; 32, UVC lamp holder; 33, led drive circuit plate; 34, UVC drive circuit board; 4, lens;
The specific embodiment
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention:
Sterilization illuminating lamp as shown in Figure 1; Comprise connector 1, be fixedly installed on printing opacity lamp body 2 on the connector 1, be arranged on the illuminating source 3 in the lamp body 2; Described illuminating source 3 comprises LED lamp pearl 31, UVC lamp holder 32; Above LED lamp pearl 31, be glued with lens 4, and in lamp body 2, also be provided be electrically connected with LED lamp pearl 31 be used for the luminous led drive circuit plate 33 of driving LED lamp pearl 31, being electrically connected with UVC lamp holder 32 is used to drive the luminous UVC drive circuit board 34 of UVC lamp holder 32.
In this specific embodiment; Lamp body 2 is made up of two parts; The bottom is divided into the uncovered plastic casing 21 that holds said drive plate circuit 33,34 and UVC lamp holder 32; Top is divided into to cover housing 21 and LED lamp pearl 31 and lens 4 and is positioned at transparent cover 22 wherein, in order to guarantee the printing opacity of UVC lamp, on plastic casing 21, offers many optical transmission windows 211 that communicate with plastic casing 21 inner chambers.And lens 4, LED lamp pearl 31, led drive circuit plate 33, UVC drive circuit board 34, UVC lamp holder 32 set gradually according to mode from top to bottom in the whole lamp body 2.
Wherein, lens 4 have plane and the hemisphere face of being close to mutually with LED lamp pearl 31, can adopt existing shelled peanut type lens; The bottom of its mirror body forms two or more optically focused cups, and the bottom of optically focused cup offers the inner fovea part that is used to place LED, and the top of lens body offers the reflective cavity corresponding with the optically focused cup; The bottom of reflective cavity is to recessed taper seat, and the bottom of taper seat is convex last sphere, owing to form a plurality of optically focused cups in the bottom of lens body; The top of lens body offers the reflective cavity corresponding with the optically focused cup, and under the cooperation of optically focused cup and reflective cavity, the light that makes each great power LED send can focus on respectively with reflective; Launch together again; Reduced the divergent rays influence between each LED, thereby the rising angle that has guaranteed the light that a plurality of LED send is identical, and the hot spot of outgoing is comparatively even; Reduce dazzle, light permeable rate can reach 93%.
That shown in Figure 2 is the circuit realization figure of said drive circuit board, can promote the LED illumination, can promote the work of UV lamp again.Adopt circuit; This circuit mainly comprises three parts: the PWM drive circuit of the half-bridge drive circuit of fluorescent tube, LED and current/voltage holding circuit; Wherein, Half-bridge drive circuit comprises two high-low pressure power tube output pin positions, and its leap is worked on the half-bridge circuit of the above voltage difference of 300V, but driving voltage is up to the germicidal tube of 1200V; The PWM drive circuit adopts the DC pulse output of amplitude peak; Voltage can be up to 20VDC, and transient current can reach 700mA, and the frequency adjustable scope is up to 1～200Khz; The EDM Generator of Adjustable Duty Ratio scope is 15%～85%, thereby realizes raising that LED light is imitated and with lower calorific value; Build controllable silicon in the holding circuit, can make protection and control big electric current, LED lamp life-span.
Present embodiment combines the LED lamp with the UVC ultraviolet lamp, adopt non-thermal plasma trap, and the ultraviolet wavelength that the UVC lamp sends is between 172nm-185nm.When the LED lamp throws light on; Through miniature anion launcher in the middle of the UVC ultraviolet lamp, the anion of abrupt release high concentration is under lighting; Be diffused into the every nook and cranny in space equably; When anion with after airborne germ cell combines, cell interior energy transfer organization is changed, cause its death.And attraction particles such as benzene floating in the air, toluene, formaldehyde, cigarette, dirt, pollen are gathered and natural subsidence, reach the purpose that purifies air.
The invention provides that a kind of rising angle is identical, hot spot LED bactericidal lamp uniformly, its operating circuit is driving LED lamp and UVC ultraviolet lamp simultaneously.LED lamp simultaneously of the present invention adopts ozone sterilization, and ozone sterilization ability and Peracetic acid are suitable, are higher than other disinfectant.Ozone can resolve into oxygen and antozone fast, but antozone self is combined into oxygen molecule again, so there is not secondary pollution problem, is acknowledged as green disinfectant.Sterilization is all adopted with the sterilization of light wave radiation effects in the world today, and light wave is straightline propagation, and its exposure intensity and square distance are inversely proportional to, the position that only shines and reach the irradiation standard bactericidal effect is just arranged.And the sterilizing ability of all uviol lamps weakens with the increase of service time.When light-wave irradiation during, contact excessive ultraviolet ray meeting body is produced harm, particularly to the damage of eyes at human body.During ultraviolet ray irradiation skin, can cause blood vessel dilatation, erythema occur; Excessive exposure can produce diffuse erythema; And can form vesicle and oedema, and can cause blood dyscrasia, receive for a long time after the ultraviolet ray irradiation; Just might cause in the future skin generation canceration, the present invention to adopt ozone sterilization then can not produce harm to human body.
More than specific embodiment of the present invention is illustrated and explains but the present invention is not only limited to above embodiment.All equivalent transformations of being done according to the present invention all should be within protection scope of the present invention.
Claims (5)
1. LED bactericidal lamp; Comprise connector (1), be fixedly installed on printing opacity lamp body (2) on the connector (1), be arranged on the illuminating source (3) in the lamp body (2); Described illuminating source (3) comprises a plurality of LED lamp pearls (31) that are arranged side by side, UVC lamp holder (32); And in described lamp body (2), also being provided with respectively is electrically connected with described LED lamp pearl (31) is used for the luminous led drive circuit plate (33) of driving LED lamp pearl (31), being electrically connected with described UVC lamp holder (32) is used to drive the luminous UVC drive circuit board (34) of UVC lamp holder (32), it is characterized in that: on described LED lamp pearl (31), be provided with the lens (4) that are used to control LED lamp pearl (31) light angle closely.
2. a kind of LED bactericidal lamp according to claim 1 is characterized in that: described lens (4) are planoconvex lens, and described LED lamp pearl (31) is close to the planar portions phase-splitting of lens (4).
3. a kind of LED bactericidal lamp according to claim 1 and 2 is characterized in that: described lens (4) adopt shelled peanut type lens.
4. a kind of LED bactericidal lamp according to claim 1 and 2; It is characterized in that: described lamp body (2) comprises the uncovered plastic casing (21) that holds described drive plate circuit (33,34) and UVC lamp holder (32) and covers described plastic casing (21) and LED lamp pearl (31) and lens (4) are positioned at transparent cover (22) wherein, on described plastic casing (21), offers many optical transmission windows (211) that communicate with plastic casing (21) inner chamber.
5. a kind of LED bactericidal lamp according to claim 1 is characterized in that: the ultraviolet wavelength of sending of described UVC lamp holder (32) is between 172nm-185nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910186271A CN102042501B (en) | 2009-10-15 | 2009-10-15 | LED bactericidal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910186271A CN102042501B (en) | 2009-10-15 | 2009-10-15 | LED bactericidal lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042501A CN102042501A (en) | 2011-05-04 |
| CN102042501B true CN102042501B (en) | 2012-09-05 |
Family
ID=43908901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910186271A Expired - Fee Related CN102042501B (en) | 2009-10-15 | 2009-10-15 | LED bactericidal lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042501B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102894882A (en) * | 2012-09-19 | 2013-01-30 | 苏州华爱电子有限公司 | Water dispenser cooling container capable of performing ultraviolet disinfection |
| CN104324395B (en) * | 2014-10-24 | 2017-01-25 | 深圳莱特光电股份有限公司 | LED ultraviolet sterilizing lamp |
| CN105371121A (en) * | 2015-11-30 | 2016-03-02 | 四川迅吉科技有限责任公司 | LED germ-preventing and sterilizing device |
| CN112006468B (en) * | 2020-08-26 | 2022-05-20 | 青岛泰和美电子科技有限公司 | Bamboo charcoal fiber mattress |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174992Y (en) * | 1993-12-25 | 1994-08-24 | 丁智敏 | Portable device for disinfection and or sterilising |
| CN201277530Y (en) * | 2008-10-22 | 2009-07-22 | 王广涛 | Sterilizing and deodorizing night lamp |
-
2009
- 2009-10-15 CN CN200910186271A patent/CN102042501B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174992Y (en) * | 1993-12-25 | 1994-08-24 | 丁智敏 | Portable device for disinfection and or sterilising |
| CN201277530Y (en) * | 2008-10-22 | 2009-07-22 | 王广涛 | Sterilizing and deodorizing night lamp |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-173177A 2007.07.05 |
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| Publication number | Publication date |
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| CN102042501A (en) | 2011-05-04 |
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