CN201289000Y - Reflective cover with infrared lamp - Google Patents
Reflective cover with infrared lamp Download PDFInfo
- Publication number
- CN201289000Y CN201289000Y CNU2008201556306U CN200820155630U CN201289000Y CN 201289000 Y CN201289000 Y CN 201289000Y CN U2008201556306 U CNU2008201556306 U CN U2008201556306U CN 200820155630 U CN200820155630 U CN 200820155630U CN 201289000 Y CN201289000 Y CN 201289000Y
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- infrared
- cage
- reflector
- infrared lamp
- reflection
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Abstract
The utility model discloses a reflection cage of an infrared lamp, using a quartz glass cage, a gold reflection membrane is plated on the inner reflection surface of the cage and a hollow vacuum inner cavity with vacuum degree of more than 5*10[-3] Pa is formed between the inner surface of the cage and the back surface. Compared with the prior technique, the quartz glass can bear 900 degree high-temperature cataclysm; the infrared reflectivity of the gold reflection membrane is up to 98% and in normal operation at 800 degree; the heat convection loss of the infrared radiation light source is reduced and the infrared light brightness is increased into more than 30%; the reflection cage of the infrared lamp has good beaming capability for the 5-15 micron far-infrared practical spectrum; the power for obtaining the same irradiance intensity is at least reduced by 30% compared with the prior technique, with multi-times reduced volume; the reflection cage of an infrared lamp has good oxidation resistance, energy saving and acid resistance and alkali resistance performance and is widely used for the infrared heat radiation device such as warming, far infrared physical therapy, drying, baking or the like.
Description
Technical field
The utility model relates to the reflector of lamp, belongs to the infrared transmitting glass reflector especially, is coated with the high temperature resistant infrared reflecting film of one deck and is used for infrared reflection on the reflecting surface of cover.
Background technology
Existing bright aluminium sheet or the corrosion resistant plate used usually is as reflector, and reflector is the surperficial body that incident optical energy is played reflex, and its main purpose is that maximum reflectivity of acquisition and required intensity of illumination distribute, and reflector is widely used in infrared radiation heating.Infrared ray belongs to black light, but it has good thermal radiation property, is used for radiation heating, fields such as physiotherapy.Because the colour temperature of infrared emitter is low, and glass is poor to the especially far penetration capacity of infrared ray, generally do not adopt glass evacuated encapsulation, and directly to be exposed to airborne heater as ultrared radiation source, the example heating wire, by the milky white silica tube of heating wire heating, silicon carbon rod and have the heater etc. of some metal oxide coating.Existing reflector is often set the position of reflector owing to be subjected to the limitation of heat resistance with long-focus, cause high temp, infrared radiation source open exposure in air, causes cross-ventilation, and reduces the temperature of the source of infrared radiation self, and the result has reduced infrared intensity.This also is one of inefficient major reason of present most of directional ir radiation sources.
If be close to the reflector of radiation source with the quartz glass plate conduct that is coated with high temperature resistant infrared reflecting film, so along with the distance of radiation source and reflecting plate is close, the temperature of reflector sharply rises, thereby cause the convective heat loss by reflector shady face high temperature, can reduce the efficient of infra-red radiation equally.Isolate if carry out heat with insulation material, since volume, weight, and the reason of aspects such as structure often implementation result is poor.
Also useful metal vacuum (-tight) housing, heat-insulating material and reflector synthesize the vacuum heat-insulation reflection unit, and structure is quite complicated.Owing to be subjected to the limitation of metal resistance to elevated temperatures, between reflector and metal vacuum cover, must load enough thick heat-insulating material to reduce the temperature of metal vacuum cover.This compound metal vacuum heat insulating reflecting device vacuum is low, bulky, and complex structure, cost height only are suitable for indivedual special equipments.
Summary of the invention
At the defective that prior art exists, the technical problems to be solved in the utility model provides a kind of reflector of infrared lamp, and it can reduce the thermal convection losses of infrared radiation light source, improves infrared light illumination, can save energy and reduce the cost, and miniaturization.
For solving the problems of the technologies described above, the reflector of a kind of infrared lamp of the present utility model, comprise the glass cover body, the inner surface of cover body is a reflecting surface, the outer surface of cover body is the back side, connect into the hollow vacuum inner chamber body between the reflecting surface of described glass cover body and the back side, on the reflecting surface of cover, be coated with the high temperature resistant infrared reflecting film of one deck, to reduce the thermal convection losses of infrared radiation light source.
Preferably, described glass cover body is high temperature resistant, low-expansion quartz glass cover body or high-boron-silicon glass cover body, can stand the high temperature cataclysm.
Preferably, described high temperature resistant infrared reflecting film is gold or rhodium reflective membrane.
Preferably, vacuum is higher than 5 * 10 in the described cloche body cavity body
-3Pa.
Preferably, the thickness of described gold or rhodium coating is 0.1～0.3 micron, and golden reflective membrane is to infrared reflectivity height, at high temperature continuous firing.
Preferably, be coated with one deck silver or magnesium reflective membrane on the described hollow vacuum inner cavity surface, can improve heat-insulating property.
The utility model is provided with the hollow vacuum inner chamber owing to adopt high temperature resistant, low-expansion quartz glass cover body or high-boron-silicon glass cover body, is coated with the high temperature resistant infrared reflecting film of one deck on the reflecting surface of cover.Cause compared with prior art, its beneficial effect is:
1. the thermal convection losses of infrared radiation light source reduces greatly, and infrared light illumination improves more than 30%, even several times;
2. to the practical spectrum of 5-15 micron far infrared, has good light boundling ability;
3. volume is little, power is low, heat is high, reaches the same little several times of exposure intensity volume;
4. vacuum is higher than 5 * 10 in hollow cavity
-3Pa, effect of heat insulation is remarkable, and quartz glass can stand 900 ℃ of high temperature cataclysms for a long time;
5. when 0.1～0.3 micron of the thickness of coating of golden reflective membrane, reflective membrane to infrared reflectivity up to 98%, and can be under 800 ℃ of high temperature operate as normal;
6. cover body has high temperature resistant preferably, anti-oxidant and acidproof, alkaline resistance properties;
7. the reflector of infrared lamp can be widely used on heating, far infrared reason Treatment, baking, the infrared especially far infrared thermal radiation equipment such as roasting.
Description of drawings
Below with reference to drawings and Examples the utility model is described in further detail.
Fig. 1 is the reflector structural representation of the utility model infrared lamp;
Fig. 2 is Fig. 1 cutaway view;
Fig. 3 is the reflector embodiment schematic diagram of the utility model infrared lamp.
Among the figure: reflecting surface 1, glass hollow vacuum cover 2, hollow vacuum inner chamber body 3, the back side 4, the source of infrared radiation 5, lamp bracket 6, radiation port 7.
The specific embodiment,
Embodiment 1
As shown in Figure 1 and Figure 2, the reflector of present embodiment infrared lamp is a glass hollow vacuum cover 2, the adopting quartz glass material, have high temperature resistant, the coefficient of expansion is low, the good characteristic of chemical stability can stand 900 ℃ temperature shock.The inner surface of cover 2 is a reflecting surface 1, and the outer surface of cover body is the back side 4, connects into hollow vacuum inner chamber body 3 between the reflecting surface 1 and the back side 4, and its vacuum is higher than 5 * 10
-3Pa, vacuum is directly relevant with effect of heat insulation, can improve heat-insulating property.For keeping condition of high vacuum degree can adopt measures such as high-temperature exhaust air technology and additional getter, vacuumize the back and aspirating hole is sealed molten flat.Before vacuumizing, plate reflective membrane in the cavity 3 earlier, adopt silver-plated reflective membrane in this routine cavity 3, to improve the heat-insulating property of hollow vacuum cover 2.Be coated with one deck reflective membrane on the reflecting surface 1 of hollow vacuum cover 2, this example is gold-plated reflective membrane, and gold plate thickness is 0.2 micron.Gold is to the reflectivity height of infrared light, and high temperature resistant and chemical stability good, can be under 800 ℃ of high temperature operate as normal.And has anti-oxidant, acidproof, an alkaline-resisting excellent properties.
As shown in Figure 3, be a kind of boundling far infrared radiation desk lamp embodiment of reflector.It is the source of infrared radiation 5 of the milky disease quartz electrothermal tube formation of 300W/220V that electrical power is installed on quartz glass hollow vacuum cover 2 axial location of column type, is connected with circumscripted power line by lamp bracket 6.It is ￠ 40 and the coaxial hollow vacuum cover that is processed to form of 30 two quartz ampoules of ￠ that this routine glass hollow vacuum cover 2 is selected external diameter for use, hollow gap is 3 millimeters, and wall thickness is 2 millimeters, and length is 300 millimeters, its radiation port 7 angle of releases 120 degree (central angle of cover), suction is 1 * 10
-4Pa.Gold-plated on the reflecting surface 1, its thickness is 0.2 micron.This routine boundling far infrared radiation desk lamp, the illuminance of its radiation port 7 is better than the similar source of infrared radiation 800W of areflexia cover, has reduced the heat loss that cross-ventilation causes, and cover 2 volume is little, makes that desk lamp is light and handy, energy-conservation, safety.
The reflector of infrared lamp can be widely used on the far infrared thermal radiation equipment, routine electric radiation warmer, infrared emanation baking oven, the infrared reason Treatment instrument of far ultraviolet, light wave baking oven, far infrared baking finish room, far-infrared electric utensil etc.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (6)
1. the reflector of an infrared lamp, comprise the glass cover body, the inner surface of cover body is a reflecting surface, and the outer surface of cover body is the back side, it is characterized in that connecting into the hollow vacuum inner chamber body between the reflecting surface of glass cover body and the back side, on the reflecting surface of cover, be coated with the high temperature resistant infrared reflecting film of one deck.
2. the reflector of infrared lamp according to claim 1 is characterized in that described glass cover body is high temperature resistant, low-expansion quartz glass cover body or high-boron-silicon glass cover body.
3. the reflector of infrared lamp according to claim 1 and 2 is characterized in that described high temperature resistant infrared reflecting film is gold or rhodium reflective membrane.
4. the reflector of infrared lamp according to claim 3 is characterized in that being coated with on the described hollow vacuum inner cavity surface one deck silver or magnesium reflective membrane.
5. the reflector of infrared lamp according to claim 4 is characterized in that vacuum is higher than 5 * 10 in the described cavity
-3Pa.
6. the reflector of infrared lamp according to claim 5, the thickness of coating that it is characterized in that described gold or rhodium reflective membrane is 0.1～0.3 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201556306U CN201289000Y (en) | 2008-11-20 | 2008-11-20 | Reflective cover with infrared lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201556306U CN201289000Y (en) | 2008-11-20 | 2008-11-20 | Reflective cover with infrared lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201289000Y true CN201289000Y (en) | 2009-08-12 |
Family
ID=40980683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201556306U Expired - Fee Related CN201289000Y (en) | 2008-11-20 | 2008-11-20 | Reflective cover with infrared lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201289000Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2489998A4 (en) * | 2009-10-17 | 2017-12-13 | Mitsubishi Materials Corporation | Infrared sensor and circuit substrate equipped therewith |
| CN107702195A (en) * | 2017-09-30 | 2018-02-16 | 广东美的环境电器制造有限公司 | Reflector and warmer |
-
2008
- 2008-11-20 CN CNU2008201556306U patent/CN201289000Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2489998A4 (en) * | 2009-10-17 | 2017-12-13 | Mitsubishi Materials Corporation | Infrared sensor and circuit substrate equipped therewith |
| CN107702195A (en) * | 2017-09-30 | 2018-02-16 | 广东美的环境电器制造有限公司 | Reflector and warmer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20111120 |