CN2934895Y - Device for producing infra-red radiation using high intensity discharge - Google Patents
Device for producing infra-red radiation using high intensity discharge Download PDFInfo
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- CN2934895Y CN2934895Y CNU2006200623535U CN200620062353U CN2934895Y CN 2934895 Y CN2934895 Y CN 2934895Y CN U2006200623535 U CNU2006200623535 U CN U2006200623535U CN 200620062353 U CN200620062353 U CN 200620062353U CN 2934895 Y CN2934895 Y CN 2934895Y
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- discharge
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Abstract
The utility model is an infrared radiation device with the method of strong discharge including an infrared radiation source, an infrared radiation reflector and a visible light filter. The bottom of the infrared radiation source is embedded and fixed in a lamp holder which is secured with the reflector. The device is characterized in that the said infrared radiation source makes use of a short electrode spacing and high intensity discharge lamp as the radiation source and places the discharge lamp at the focus of the infrared radiation reflector. The utility model has a small size electric arc and effective heating zone, namely the volume of the radiation source being small, thus infrared beams with very small emission angles are obtained. The utility model is widely used and has extensive and important application in monitoring and reconnaissance.
Description
Technical field
The utility model relates to a kind of infrared device, especially a kind of infrared device of high-intensity discharge that utilizes.
Background technology
Since surplus infrared ray finds 200 year, infrared ray in the application of human every field more and more widely, give infrared ray with a lot of valuable application in industry and development of science and technology, such as diagnosis, treatment, detection, monitoring, scouting, tracking etc., it is used and demand evolution and development rapidly aspect national defence and public security especially in recent years.
Producing ultrared straightforward procedure is the burning heating, yet the difficult accurately control of the infra-red radiation that this mode obtains, though so cheap and easy to get, can only be mainly used in general heating, this application is very extensive and important in industrial and life certainly.
Current extensive use is the infra-red radiation that utilizes incandescent tungsten filament (mainly being Halogen lamp LED) except that utilizing the ultrared method of burning generation, this type of lamp produces abundant infra-red radiation except that part power consumption more energy in visible radiation is consumed in, this light source can be easy, cheap and obtain full-wave band infrared radiation efficiently, be difficult for being focused into narrow beam but problem is the radiation scope broad; Full bands of a spectrum emittance is disperseed; Accurately locate than difficulty when being used to scout and be easy to and scout into the people; Effectively irradiation distance short, when needing to strengthen radiation length otherwise power demand is very big.
Along with the progress of semi-conductor industry, multiple semiconductor infra red radiation light source comes out, and wherein up-to-date is the source of infrared radiation of light emitting diode (LED) type, and this radiation source is to utilize the carrier of some kind in partly leading and the radiation that produces during hole-recombination.The bands of a spectrum of this infra-red radiation are very narrow, the semiconductor infrared emission material of some high-gain can be realized population inversion, additional again infrared resonance chamber, it is very narrow then can to constitute infrared laser oscillator, output band, the infrared laser that the angle of divergence is very little, wavelength generally is used for optical-fibre communications for the near-infrared laser bundle spectral line of number μ m.It is less that the width of cloth of common this kind source of infrared radiation is penetrated flux, and operating distance is limited.
Gas discharge is luminous to be the most general most effective visible light source of current use, adopts gas discharge also can make things convenient for and produces the infra-red radiation of various bands of a spectrum efficiently.
Summary of the invention
The purpose of this utility model provides a kind of device that utilizes special high-strength discharge generation infra-red radiation, this device is to utilize high-intensity discharge electric arc heated High Density Molecular gas and produce the vibration of abundant gas molecule and rotate the new infrared radiation source of radiation spectrum, because electric arc size can be adjusted, electric arc size and effective heating region are very little under short pole span situation, be that the radiation source volume is very little, thereby can obtain the very little infrared beams of the angle of departure.
For solving above technical problem, the utility model is achieved through the following technical solutions (referring to implementing illustration).
The utility model provides a kind of infrared device of high-intensity discharge that utilizes, comprise the source of infrared radiation, infra-red radiation reflector 6, visible filter 8, source of infrared radiation bottom embeds in the lamp socket 7 fixing, lamp socket 7 and reflector 6 held stationary is characterized in that together: the described source of infrared radiation is to adopt short pole span high-intensity gas discharge lamp as radiation source, and places place, infra-red radiation reflector 6 focal positions.
What charge in the described discharge lamp that inert gas, an amount of mercury and metal halide (also can only add in mercury and the metal halide wherein a kind of or all do not add) the most important thing is to add capacity is the gas or the steam of diatomic or polyatomic molecule under operating temperature.It is the atmospheric molecularity gas of 80-100 that pressure is arranged in the electric arc tube during discharge lamp work.Described molecularity gas is selenium steam.
This hyperbar discharge infrared lamp anode-cathode distance can transfer to than other similar discharge lamps to short, obtaining focusing effect preferably, is short pole span high-intensity gas discharge lamp 1 below the 50W to power, and its anode-cathode distance is 2mm; To power is the short pole span high-intensity gas discharge lamp 1 of 50W to 250W, and its anode-cathode distance is 2mm to 4mm; To power is the short pole span high-intensity gas discharge lamp 1 of 250W to 1000W, and its anode-cathode distance is 3mm to 6mm; To power is short pole span high-intensity gas discharge lamp 1 more than the 1000W, and its anode-cathode distance is 6mm to 8mm.
Be the short pole span hyperbar gas-discharge lamp that adopts 35W in the preferred embodiment, its anode-cathode distance is 2mm.
Described infrared light reflection device is paraboloidal or elliposoidal reflective optical system.The infrared beam irradiation distance that can produce the angle of divergence＜3 ° when this kind high intensity discharge light source is packed parabolic reflective optical system focal position into far can reach 200 to 300 meters.This kind infrared light supply also can be contained in a focal position of elliposoidal reflective optical system, thereby obtains high strength small size infrared light spot in another focus.
The utility model is to utilize high intensity discharge electric arc to make the selected High Density Molecular gas heating of filling in the discharge tube, to produce the infrared radiation spectrum of this kind molecule special frequency channel, Fig. 1 shows the schematic construction of the designed source of infrared radiation, pair of electrodes is arranged in the described discharge lamp and be filled with and keep the necessary various materials of discharge, as inert gas, mercury, also can add sodium or metal halide etc., decide on required spectrum preparation, but must be filled with capacity so as to producing the molecularity gas of infrared molecular spectrum.
Suitable electric current makes interelectrode electric arc arc road be heated to 5000-6000K during discharge, and this electric arc is heated hyperbar (80-100 atmospheric pressure) the molecularity gas in the cell-shell.This kind gas may resolve into atom in arc region, but then will be combined into molecule again in the lower peripheral region of temperature.When these high temperature particles during to external diffusion then with heat energy to the cell-shell transmission, kept the cell-shell stationary temperature.Be in the continuous belt ir radiation spectrum that high density gas molecule under thousands of K high temperature has the radiation relevant temperature this kind characterization of molecules under the poised state.
Parameter, such discharge lamp rational in infrastructure can be converted into the electric energy of 60-70% the infra-red radiation spectrum of a certain or a few frequency ranges, the energy of remaining 30-40% then scatters and disappears with the form of ultraviolet ray, visible light, convection current and conduction, the concentration of energy of high share like this is gone out with the mode loss of radiation in narrower near infrared band and is concentrated in the little angle of departure, application will be very widely, and such source of infrared radiation is important use having aspect supervision, the scouting extensively.
Description of drawings
Fig. 1 high intensity discharge infrared radiation device structural representation
Fig. 2 is the high-intensity gas discharge lamp infra-red radiation electric arc tube structural representation that the utility model adopts
Fig. 3 is equipped with the infra-red radiation discharge tube structure schematic diagram of insulation and shielding ultra-violet radiation shell
Description of reference numerals:
1, high-intensity gas discharge lamp, 2, electric arc tube, 3, tungsten electrode (3a, 3b), 4, electrode system (4a, 4b), 6, reflective optical system, 7, lamp socket, 8, optical filter.
The specific embodiment
Embodiment 1:
See Fig. 1～shown in Figure 3:
Present embodiment adopts the gas discharge infra-red radiation electric arc tube 1 of 35W, this electric arc tube comprises that its effective internal diameter is about the quartz glass of 4.0mm, the electrode system 4a that the electric arc tube two ends respectively have a quartz wall to support, 4b, its front end tungsten electrode 3a, 3b, 8 atmospheric xenons in the electric arc tube, 0.5mgHg, 1mg selenium and an amount of other metal halides and iodate selenium.
Discharge makes interelectrode electric arc arc road be heated to 5000---6000K during discharge lamp work, this electric arc makes bulb temperature be heated to 1200K, cell-shell is under thousands of K high temperature and by thermal excitation to the molecularity gas between electric arc, and these molecules have the radiation relevant temperature continuous belt ir radiation spectrum of this kind characterization of molecules.
This discharge lamp one end is embedded lamp socket 7 adjust arc position with parabolic infrared light reflection device 6 again fixedly the time, make it on reflector focal point, the reflector oral area is equipped with a slice visible filter 8, thus the infra red radiation light source of formation arrow beam of light, narrow-band.Present embodiment discharge lamp anode-cathode distance is 2mm, effective radiation area of this kind infrared light supply is about the baseball district of the about 3mm of diameter, this infrared light supply is very near perfect light source, be equipped with parabolic infrared light reflection device 6 infrared ray more than 60% of lamp institute radiation to be focused on＜3 ° solid angle in, range can reach more than 200 meters.
Embodiment 2
Present embodiment adopts the hyperbar gas-discharge lamp of 100W, and modulated structure and embodiment are close, but the effective internal diameter of discharge tube is adjusted into 7mm, still fills with 8 atmospheric pressure xenons, and all the other fillers respectively increase by 500, and anode-cathode distance is adjusted into 3.2mm.Adopt this discharge lamp to do the source of infrared radiation, be equipped with its effective range of suitable reflector and can reach more than 800 meters.
Claims (8)
1, a kind of infrared device of high-intensity discharge that utilizes, comprise the source of infrared radiation, infra-red radiation reflector (6), visible filter (8), source of infrared radiation bottom embeds in the lamp socket (7) fixing, lamp socket and reflector (6) held stationary is characterized in that together: the described source of infrared radiation is to adopt short pole span high-intensity gas discharge lamp (1) as radiation source, and places place, infra-red radiation reflector (6) focal position.
2, the infrared device of high-intensity discharge that utilizes as claimed in claim 1 is characterized in that: in the electric arc tube pressure being arranged during described discharge lamp (1) work is the 80-100 atmospheric pressure.
3, the infrared device of high-intensity discharge that utilizes as claimed in claim 2, it is characterized in that: described molecularity gas is selenium steam.
4, the infrared device of high-intensity discharge that utilizes as claimed in claim 1 is characterized in that: to power is short pole span high-intensity gas discharge lamp (1) below the 50W, and its anode-cathode distance is 2mm.
5, the infrared device of high-intensity discharge that utilizes as claimed in claim 1, it is characterized in that: to power is the short pole span high-intensity gas discharge lamp (1) of 50W to 250W, and its anode-cathode distance is 2mm to 4mm.
6, the infrared device of high-intensity discharge that utilizes as claimed in claim 1, it is characterized in that: to power is the short pole span high-intensity gas discharge lamp (1) of 250W to 1000W, and its anode-cathode distance is 3mm to 6mm.
7, the infrared device of high-intensity discharge that utilizes as claimed in claim 1 is characterized in that: to power is short pole span high-intensity gas discharge lamp (1) more than the 1000W, and its anode-cathode distance is 6mm to 8mm.
8, as each described infrared device of high-intensity discharge that utilizes in the claim 1 to 7, it is characterized in that: described infra-red radiation reflector is paraboloidal or elliposoidal reflective optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200623535U CN2934895Y (en) | 2006-07-31 | 2006-07-31 | Device for producing infra-red radiation using high intensity discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200623535U CN2934895Y (en) | 2006-07-31 | 2006-07-31 | Device for producing infra-red radiation using high intensity discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934895Y true CN2934895Y (en) | 2007-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200623535U Expired - Fee Related CN2934895Y (en) | 2006-07-31 | 2006-07-31 | Device for producing infra-red radiation using high intensity discharge |
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| CN (1) | CN2934895Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216283A (en) * | 2015-08-28 | 2016-01-06 | 广州达意隆包装机械股份有限公司 | A kind of bottle blowing machine heating fluorescent tube |
| CN107589088A (en) * | 2017-09-14 | 2018-01-16 | 深圳市美思先端电子有限公司 | A kind of infrared filament light sources and its preparation technology for NDIR infrared gas analysis |
-
2006
- 2006-07-31 CN CNU2006200623535U patent/CN2934895Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216283A (en) * | 2015-08-28 | 2016-01-06 | 广州达意隆包装机械股份有限公司 | A kind of bottle blowing machine heating fluorescent tube |
| CN107589088A (en) * | 2017-09-14 | 2018-01-16 | 深圳市美思先端电子有限公司 | A kind of infrared filament light sources and its preparation technology for NDIR infrared gas analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070815 Termination date: 20140731 |
|
| EXPY | Termination of patent right or utility model |