CN101644401A - Lampshade - Google Patents
Lampshade Download PDFInfo
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- CN101644401A CN101644401A CN200910150792A CN200910150792A CN101644401A CN 101644401 A CN101644401 A CN 101644401A CN 200910150792 A CN200910150792 A CN 200910150792A CN 200910150792 A CN200910150792 A CN 200910150792A CN 101644401 A CN101644401 A CN 101644401A
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- lampshade
- curved surface
- lamp
- light
- straight type
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Abstract
The invention discloses a lampshade, comprising an installation part for installing straight lamps and a reflecting part. The reflecting part is curved and the curved shape enables the reflected raysof the rays emitted by the installed straight lamps to be reflected toward the peripheral regions of the straight lamps. The included angles between the reflected rays and the illuminated side are less than 30 degrees. The lampshade solves the problem that the current straight lamps are not provided with reflecting devices or the reflecting devices are not reasonable, thus leading to low utilization ratio of the light sources of the lamps. Meanwhile, the lampshade enables the reflected rays to be able to cover more regions of the illuminated side and increases the utilization ratio of the light sources of the lamps.
Description
Technical field
The present invention relates to field of light fittings, relate in particular to a kind of lampshade.
Background technology
Electric light is used quite extensive in daily life, the quality of electric light has direct influence to people's production and life.Current straight type lamp is used for people in daily working and learning more, wherein straight type lamp adopts fluorescent lamp (being low pressure mercury lamp) more, it is to utilize the radiation ultraviolet ray in discharge process of hypobaric mercury vapour, thereby it is luminous to make fluorescent material send the principle of visible light, so it belongs to low pressure arc discharge light source.Two filaments are housed in the fluorescent lamp.Scribble electronic emission material triplex carbonate (brium carbonate, strontium carbonate and calcium carbonate) on the filament, be commonly called as the electronics powder.Under the alternating voltage effect, filament is alternately as negative electrode and anode.Tube inner wall scribbles fluorescent material.Be filled with argon gas and a spot of mercury of 400Pa-500Pa pressure in the pipe.After the energising, liquid mercury flashes to the mercury vapour that pressure is 0.8Pa.Under electric field action, mercury atom constantly is provoked into excitation state from reset condition, and spontaneous transition is to ground state then, and (main peak value wavelength is 253.7nm, accounts for the 70-80% of whole radiant energy to give off the ultraviolet ray of wavelength 253.7nm and 185nm; The minor peaks wavelength is 185nm, account for whole radiant energy 10%), to discharge unnecessary energy.Fluorescent material sends visible light after absorbing ultraviolet emittance.Fluorescent material difference, the light that sends are also different, the cause of Here it is fluorescent lamp can make white and various colours.Because the electric energy major part that fluorescent lamp consumed is used for producing ultraviolet ray, therefore, the luminous efficiency of fluorescent lamp is present comparatively energy-conservation electric light source usually than incandescent lamp and halogen tungsten lamp height.
But because existing straight type fluorescent lamp inside does not have reflex reflector or reflex reflector unreasonable, the light that causes lamp both sides and back to be sent has been wasted, and has reduced the light utilization that lamp sent, and has caused the waste of resource.
Therefore the current problem that needs to solve is to solve current straight type lamp not have reflex reflector or reflex reflector unreasonable, the lower problem of light source utilization rate that causes lamp to send, and solve and make reflection ray can cover the more problem of multizone of sensitive surface.
Summary of the invention
Technical problem to be solved by this invention provides a kind of lampshade, having solved current straight type lamp does not have reflex reflector or reflex reflector unreasonable, cause the lower problem of light source utilization rate of lamp, make reflection ray can cover more multizone of sensitive surface simultaneously, improved the light source utilization rate of lamp.
In order to address the above problem, the invention provides a kind of lampshade, comprise an installation portion, be used to install straight type lamp, also comprise a light-reflecting portion, described light-reflecting portion is a curved surface, and the reflection ray that the shape of described curved surface can emit beam the straight type lamp after installing is to the reflection of the peripheral region of described straight type lamp, and the angle between wherein said reflection ray and the sensitive surface is less than 30 degree.
Compared with prior art, use the present invention, under the prerequisite that does not increase energy consumption, solved the waste problem of the light that sends in lamp both sides and back effectively, improved the light utilization that lamp sent largely, make reflection ray can cover more multizone of sensitive surface, increase the illuminance of light area by a relatively large margin, saved resource.
Description of drawings
Fig. 1 is the application schematic diagram of lampshade of the present invention.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
In the present invention, because the popularity of fluorescent lamp applications, straight light tube can use straight type fluorescent tube to describe as an example, and other straight light tubes also can be used method of the present invention certainly, and the present invention does not do any qualification to this.
The light that is sent in view of straight type fluorescent tube is evenly to distribute with 360 ° of circumference, main design of the present invention is: as shown in Figure 1, described straight type lamp is connected with described light-reflecting portion, the shape of light-reflecting portion is set to a curved slab, the straight line that the peak of described curved surface forms is arranged at the axial line through this straight type lamp, and on vertical plane perpendicular to sensitive surface, the both sides that described curved surface is set are that the straight line that the peak by described curved surface forms interconnects, and the both sides of described curved surface are to be left-right symmetry with the straight line that forms through the peak of described curved surface and perpendicular to the vertical plane of sensitive surface, the shape of described curved surface makes reflection ray that straight type fluorescent tube emits beam, and (shape of described curved surface makes reflection ray that straight type fluorescent tube emits beam and the included angle A between the sensitive surface 5 substantially less than 30 degree to the reflection of the peripheral region of described straight type fluorescent tube, the best is about 20 degree), solved the waste problem of the light that sends in lamp both sides and back effectively, make reflection ray can cover more multizone of sensitive surface, increased substantially irradiating angle and illuminance, and made the illumination in sensitive surface zone of described straight type fluorescent tube more even the sensitive surface zone of described straight type fluorescent tube.MN partly is a curved surface of the present invention among Fig. 1.
Wherein, if straight type fluorescent tube is the regular circular spot, then the straight line of the peak of described curved surface formation is arranged on the straight line through the center of circle that section the is formation of this straight type fluorescent tube, and on the vertical plane perpendicular to sensitive surface.
Wherein, for energy savings, in use can be set to a fluorescent tube by straight type fluorescent tube; Wherein, every fluorescent tube can a corresponding light-reflecting portion;
Further, the present invention is also applicable under the situation of many fluorescent tubes, wherein many fluorescent tubes axis parallel of being set to each fluorescent tube is arranged, can be used as a lamp tube bundle device, the straight line that the peak of the curved surface of the light-reflecting portion of straight type fluorescent tube is formed is arranged on the axial line through described lamp tube bundle device, and on vertical plane perpendicular to sensitive surface, the both sides that described curved surface is set are that the straight line that the peak by described curved surface forms interconnects, and the both sides of described curved surface are to be left-right symmetry with the straight line that forms through the peak of described curved surface and perpendicular to the vertical plane of sensitive surface, (spend reflection ray and the angle between the sensitive surface that lamp tube bundle device emits beam substantially less than 30 by described curved surface to the reflection of the peripheral region of described lamp tube bundle device for the reflection ray that described curved surface emits beam lamp tube bundle device, the best is about 20 degree), solved the waste problem of the light that sends in lamp both sides and back effectively, make reflection ray can cover more multizone of sensitive surface, increased substantially irradiating angle and illuminance, and made the illumination in sensitive surface zone of described lamp tube bundle device more even the sensitive surface zone of described lamp tube bundle device.
Described light-reflecting portion and lampshade inner surface are one-body molded; Perhaps described light-reflecting portion is connected with described lampshade inner surface; Perhaps described light-reflecting portion is installed on the below of described lampshade inner surface.
The length of described light-reflecting portion can be suitable with the illumination length partly of described straight type lamp.
White reflection film can be adopted in the surface of the reflection ray of the light-reflecting portion of described straight type fluorescent tube, on the surface of described reflectance coating attached to the reflection ray of the light-reflecting portion of described straight type fluorescent tube, get final product (wherein can comprise modes such as stickup or roller coat) in any mode attached to described surface, the surface of the reflection ray of the light-reflecting portion of described straight type fluorescent tube directly just can be set to white in the mill, the present invention does not do any qualification to this yet.
In order to improve reflecting rate, the surface of described reflectance coating can be smooth even curface.
The surface of the reflection ray of the light-reflecting portion of described straight type fluorescent tube is by adopting white reflection film, and the reflecting rate that straight type fluorescent tube is emitted beam reaches the degree greater than 95%.
The present invention does not do any qualification to this, so long as the higher material of light reflecting rate can be as the reflectance coating of the light-reflecting portion of described straight type fluorescent tube.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (12)
1, a kind of lampshade comprises an installation portion, is used to install straight type lamp, it is characterized in that,
Also comprise a light-reflecting portion, described light-reflecting portion is a curved surface, and the reflection ray that the shape of described curved surface can emit beam the straight type lamp after installing is to the reflection of the peripheral region of described straight type lamp, and the angle between wherein said reflection ray and the sensitive surface is less than 30 degree.
2, lampshade as claimed in claim 1 is characterized in that,
The reflecting surface of described light-reflecting portion has a reflectance coating.
3, lampshade as claimed in claim 2 is characterized in that,
Described reflectance coating is a white.
4, lampshade as claimed in claim 1 is characterized in that,
Described light-reflecting portion and described lampshade inner surface are one-body molded.
5, lampshade as claimed in claim 1 is characterized in that,
Described light-reflecting portion is connected with described lampshade inner surface.
6, lampshade as claimed in claim 1 is characterized in that,
Described light-reflecting portion is installed on the below of described lampshade inner surface.
7, lampshade as claimed in claim 1 is characterized in that,
The length of the illumination part of the length of described light-reflecting portion and described straight type lamp is suitable.
8, lampshade as claimed in claim 1 is characterized in that,
The straight line that the peak of described curved surface forms is arranged at the axial line through described straight type lamp, and on the vertical plane perpendicular to sensitive surface.
9, lampshade as claimed in claim 1 is characterized in that,
The both sides of described curved surface are that the straight line that the peak by described curved surface forms connects;
The both sides of described curved surface are to be left-right symmetry with the straight line that forms through the peak of described curved surface and perpendicular to the vertical plane of sensitive surface.
10, lampshade as claimed in claim 1 is characterized in that,
Angle between described reflection ray and the sensitive surface is 20 degree.
11, lampshade as claimed in claim 1 is characterized in that,
If described straight type lamp is the regular circular spot, then the straight line of the peak of described curved surface formation is arranged at the straight line through the center of circle that section the is formation of this fluorescent tube, and on the vertical plane perpendicular to sensitive surface.
12, lampshade as claimed in claim 1 is characterized in that,
If at described straight type lamp is under the situation of many fluorescent tubes, then the axis parallel of many fluorescent tubes is arranged as a lamp tube bundle device, the reflection ray that the shape of described curved surface emits beam this lamp tube bundle device reflects to the peripheral region of this lamp tube bundle device, and the angle between wherein said reflection ray and the sensitive surface is less than 30 degree; Wherein, the peak of described cambered cross-section is arranged at the axial line through this lamp tube bundle device, and on the vertical plane perpendicular to sensitive surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910150792A CN101644401A (en) | 2009-06-30 | 2009-06-30 | Lampshade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910150792A CN101644401A (en) | 2009-06-30 | 2009-06-30 | Lampshade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101644401A true CN101644401A (en) | 2010-02-10 |
Family
ID=41656397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910150792A Pending CN101644401A (en) | 2009-06-30 | 2009-06-30 | Lampshade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101644401A (en) |
-
2009
- 2009-06-30 CN CN200910150792A patent/CN101644401A/en active Pending
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
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Open date: 20100210 |