CN1797700A - Microwave detection device for illuminator without electrode - Google Patents
Microwave detection device for illuminator without electrode Download PDFInfo
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- CN1797700A CN1797700A CN 200410094047 CN200410094047A CN1797700A CN 1797700 A CN1797700 A CN 1797700A CN 200410094047 CN200410094047 CN 200410094047 CN 200410094047 A CN200410094047 A CN 200410094047A CN 1797700 A CN1797700 A CN 1797700A
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- microwave
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- bulb
- illuminator
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Abstract
The microwave detection device includes following parts: microwave generator for generating microwave; being connected to the microwave generator, the resonator in use for receiving microwave; bulb without electrode is accommodated inside the resonator, and luminous matter, which lightens when excited by microwave, is sealed inside the bulb; reflecting bowl accommodates the resonator and the bulb; sensor for detecting microwave is installed inside the reflecting bowl. When microwave is leaked out, the sensor detects leakage of microwave, and generates detection signal to stop operation of the microwave generator and the illuminator without electrode.
Description
Technical field
The present invention relates to a kind of microwave detecting device of illuminator without electrode.
Background technology
In general, the illuminating lamp that utilizes microwave is that the electrodeless plasma lamps bubble is excited by microwave, thereby sends the device of visible rays.This illuminating lamp is compared with common incandescent lamp or fluorescent lamp, has the advantages that the life-span is long, illuminating effect is good.
As shown in Figure 1, it includes following several sections: microwave generator (2) is installed on shell (1) inside (case), and produces microwave; High pressure generator (3) will be used alternating voltage always and convert high voltage supply to above-mentioned microwave generator (2); Waveguide pipe (4) is communicated in the export department of above-mentioned microwave generator (2), is used for transmitting the microwave that above-mentioned microwave generator (2) produces; Bulb (5), the inner inclosure has luminescent substance, and the energy of the microwave that transmits by above-mentioned waveguide pipe (4), makes the material plasma of above-mentioned inclosure, and carries out luminous; Resonator (10) is enclosed within the front of above-mentioned waveguide pipe (4) and bulb (5), be used to stop microwave, but the light that allows to send in the above-mentioned bulb (5) passes through; Reflector (7), inside accommodate above-mentioned resonator (10), and are used for light that above-mentioned bulb (5) is sent and concentrate reflection, and its straight line is transmitted; Eyeglass (8) is installed on the inside of the resonator (10) of above-mentioned bulb (5) rear side, allows above-mentioned microwave to pass through, but the light that reflection is sent; Cooling fan assembly (9) is arranged at a side of above-mentioned shell (1), is used to cool off above-mentioned microwave generator (2) and high pressure generator (3).
Unaccounted label M1 is a bulb motor in the accompanying drawing, and M2 is for to the inside blow air of above-mentioned shell (1) and drive the fan electromotor of cooling fan assembly (9).
In the aforesaid structure, when to the illuminator without electrode supply power, high pressure generator (3) produces high pressure, microwave generator (2) is launched microwave by the high pressure of above-mentioned high pressure generator (3) generation, the microwave that sends in this microwave generator (2) is transferred to resonator (10) by waveguide pipe (4), make in the inside of this resonator (10) and form stronger electric field, under the effect of above-mentioned highfield, the material of filling in this bulb (5) discharges and gasifies and the generation plasma.
The light that produces plasma in the above-mentioned bulb (5) and send will reflect and illuminate the place ahead by eyeglass (8) and reflector (7).
When illuminator without electrode work and carry out when luminous, bulb motor (M1) is started working, and rotation bulb (5), by rotation above-mentioned bulb (5) is cooled off.Simultaneously, fan electromotor (M2) is also started working, and drives above-mentioned cooling fan assembly (9), air outside is flowed by air channel, thereby above-mentioned high pressure generator (3) and microwave generator (2) are cooled off.
In addition, above-mentioned resonator (10) forms stronger electric field by the electromagnetic wave that produces in the microwave generator (2), the inner material of filling of bulb (5) is excited, and produce plasma.Above-mentioned resonator (10) is made of the columnar sieve aperture (Mesh) of a face closure, and the resonator (10) that this cylindrical shape sieve aperture constitutes is communicated with secure bond in the protuberance (4a) of above-mentioned waveguide pipe (4), and its inside is used to hold bulb (5).
For the electromagnetic wave by waveguide pipe (4) transmission forms highfield, this resonator (10) is as the effect of cavity (Cavity), make it need higher precision, the light that better produces plasma in the transmission bulb (5) and send, the heat that produces in the better conduction bulb (5) simultaneously.
But, at aforesaid illuminator without electrode of the prior art, owing to preventing microwave leakage but the resonator (10) of transmitted ray is using the long period to wear and tear or when damaging by other impact, even if the microwave leakage of above-mentioned generation is to the outside of resonator (10), the user also can't discover the microwave leakage situation, causes being harmful to the healthy of user because of long-term microwave leakage.
Summary of the invention
In order to overcome the above-mentioned shortcoming that illuminator without electrode exists in the prior art, the invention provides a kind of microwave detecting device of illuminator without electrode, make when microwave leakage takes place, detect above-mentioned leakage situation, and make the illuminator without electrode shut-down operation, thereby can prevent the leakage of microwave.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of microwave detecting device of illuminator without electrode is characterized in that, comprising: microwave generator is used to produce microwave; Resonator is communicated in above-mentioned microwave generator, and receives the microwave by this microwave generator produced; Bulb is contained in the inside of above-mentioned resonator, is filled with the inclosure luminescent substance in it, and this luminescent substance is subjected to the excitation of microwave and is luminous; Reflector, inside accommodate above-mentioned resonator and bulb, make it prevent to contact installation with the outside; The Microwave Measurement transducer is installed on the inside of above-mentioned reflector, when leaking microwave in the above-mentioned resonator, detects above-mentioned leakage situation, and produces detection signal, makes above-mentioned microwave generator shut-down operation.
The microwave detecting device of aforesaid illuminator without electrode, wherein the Microwave Measurement transducer is microstrip antenna (Microstrip Antenna).
The microwave detecting device of aforesaid illuminator without electrode, wherein reflector includes: reflective hood, inside are held bulb and resonator, and its front becomes opening, thereby light is reflected to a side direction; Sheet glass is used to cover the front openings portion of above-mentioned reflective hood, and above-mentioned Microwave Measurement transducer is installed between the junction surface of above-mentioned reflective hood and sheet glass.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the longitudinal section that utilizes the illuminator without electrode internal structure of microwave.
Fig. 2 is the schematic perspective view of illuminator without electrode that the microwave detecting device of one embodiment of the invention is installed.
Fig. 3 is the sectional view that the installation portion of microwave detecting device is installed.
The number in the figure explanation:
2: microwave generator 5: bulb
7: reflector 10: resonator
20: the Microwave Measurement transducer
Embodiment
Wherein, identical with existing structure part will be given identical label.
Shown in Fig. 2,3, the illuminator without electrode of the microwave detecting device of one embodiment of the invention is installed, it includes following several sections: microwave generator (2) is installed on the inside of shell (1) and produces microwave; High pressure generator (3) will be used alternating voltage always and convert high voltage supply to above-mentioned microwave generator (2); Waveguide pipe (4) is communicated in the export department of above-mentioned microwave generator (2), is used for transmitting the microwave that above-mentioned microwave generator (2) produces; Bulb (5), the inner inclosure has luminescent substance, and the energy of the microwave that transmits by above-mentioned waveguide pipe (4), makes the plasma of above-mentioned inclosure material, and carries out luminous; Resonator (10) is enclosed within the front of above-mentioned waveguide pipe (4) and bulb (5), is used to stop microwave, but the light that allows to send in the bulb (5) passes through; Reflector (7), inside accommodate above-mentioned resonator (10), and the light that is used for that bulb (5) is sent concentrates reflection that its straight line is transmitted; Eyeglass (8) is installed on the inside of the resonator (10) of above-mentioned bulb (5) rear side, allows microwave to pass through, but the light that reflection is sent; Cooling fan assembly (9) is arranged at a side of above-mentioned shell (1), is used for cooled microwave generator (2) and high pressure generator (3).
Above-mentioned reflector (7) includes: reflective hood (7a), inside are held bulb (5) and resonator (10), reflect cup-shaped for making light to a side direction, and the front of cross section broad becomes the state of unlatching simultaneously; Sheet glass (7b) is used to cover the front openings portion of above-mentioned reflective hood (7a).The peristome of the outer peripheral face of above-mentioned sheet glass (7b) and reflective hood (7a) will (holder) combination be fixing by support (7c), and, between the junction surface of above-mentioned reflective hood (7a) and sheet glass (7b) Microwave Measurement transducer (20) is installed.
In the aforesaid structure, when to the illuminator without electrode supply power, produce high pressure in the above-mentioned high pressure generator (3), microwave generator (2) sends microwave by the high pressure that produces in the high pressure generator (3), the microwave that sends in this microwave generator (2) will be transferred to resonator (10) by waveguide pipe (4), make in the inside of above-mentioned resonator (10) and form stronger electric field, under the effect of above-mentioned highfield, the material of filling in the above-mentioned bulb (5) discharges and gasifies and the generation plasma.
Produce the light that plasma sent in the above-mentioned bulb (5), will reflect and illuminate the place ahead by eyeglass (8) and reflector (7).
As mentioned above, the light that sends in the bulb (5) is through resonator (10) and illuminate the outside, and microwave is then blocked and prevent that by above-mentioned resonator (10) it is to external leaks.But, if the accident that meets accident in use, or because the ageing equipment that long-time use causes etc. make resonator (10) when being damaged, the microwave that is produced may be to the external leaks of resonator (10).
When microwave leakage takes place when, the Microwave Measurement transducer (20) that install the inside of above-mentioned reflector (7) can detect leakage situation, and produces detection signal, cut off the power supply of in above-mentioned illuminator without electrode, supplying with by this detection signal simultaneously, thereby prevent microwave leakage.
Thus, the microwave detecting device of illuminator without electrode in the present invention, when microwave leakage during to resonator (10) outside, above-mentioned Microwave Measurement transducer (20) detects the microwave that is leaked, and cut off the power supply of in illuminator without electrode, supplying with, thereby prevent that microwave is to external leaks.
The effect of invention
As mentioned above, the microwave detecting device of illuminator without electrode in an embodiment of the present invention is when little When ripple leaked into resonator outside, the microwave detecting sensor detected the microwave of above-mentioned leakage, and produced Detection signal cuts off the power supply of supplying with in the above-mentioned illuminator without electrode by above-mentioned detection signal simultaneously, Thereby the situation that prevents microwave leakage and cause the user to be injured, and improve thus the stability of product.
Claims (3)
1, a kind of microwave detecting device of illuminator without electrode is characterized in that, comprising:
Microwave generator is used to produce microwave;
Resonator is communicated in above-mentioned microwave generator, and receives the microwave by this microwave generator produced;
Bulb is contained in the inside of above-mentioned resonator, is filled with the inclosure luminescent substance in it, and this luminescent substance is subjected to the excitation of microwave and is luminous;
Reflector, inside accommodate above-mentioned resonator and bulb, make it prevent to contact installation with the outside;
The Microwave Measurement transducer is installed on the inside of above-mentioned reflector, when leaking microwave in the above-mentioned resonator, detects above-mentioned leakage situation, and produces detection signal, makes above-mentioned microwave generator shut-down operation.
2, the microwave detecting device of illuminator without electrode according to claim 1 is characterized in that:
Above-mentioned Microwave Measurement transducer is a microstrip antenna.
3, the microwave detecting device of illuminator without electrode according to claim 1 is characterized in that:
Above-mentioned reflector includes: reflective hood, inside are held bulb and resonator, and its front becomes opening, thereby light is reflected to a side direction; Sheet glass is used to cover the front openings portion of above-mentioned reflective hood, and above-mentioned Microwave Measurement transducer is installed between the junction surface of above-mentioned reflective hood and sheet glass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410094047 CN1797700A (en) | 2004-12-27 | 2004-12-27 | Microwave detection device for illuminator without electrode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410094047 CN1797700A (en) | 2004-12-27 | 2004-12-27 | Microwave detection device for illuminator without electrode |
Publications (1)
Publication Number | Publication Date |
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CN1797700A true CN1797700A (en) | 2006-07-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200410094047 Pending CN1797700A (en) | 2004-12-27 | 2004-12-27 | Microwave detection device for illuminator without electrode |
Country Status (1)
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CN (1) | CN1797700A (en) |
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2004
- 2004-12-27 CN CN 200410094047 patent/CN1797700A/en active Pending
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Open date: 20060705 |