CN1324646C - Fixture for net screen of electrode free illumination device and nut for fixing net screen - Google Patents
Fixture for net screen of electrode free illumination device and nut for fixing net screen Download PDFInfo
- Publication number
- CN1324646C CN1324646C CNB021531331A CN02153133A CN1324646C CN 1324646 C CN1324646 C CN 1324646C CN B021531331 A CNB021531331 A CN B021531331A CN 02153133 A CN02153133 A CN 02153133A CN 1324646 C CN1324646 C CN 1324646C
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- Prior art keywords
- mesh screen
- down nut
- waveguide pipe
- hold
- nut
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Abstract
The present invention relates to a fixing device for a net screen of an electrode free illumination device and a nut for fixing the net screen. The fixing device of the present invention comprises a wave-guiding tube outlet part, the net screen and a fixing device fixing the net screen on the wave-guiding tube outlet part, wherein at least one part of net screen connected to the wave-guiding tube outlet part is the net screen with a net-shaped structure, and the net screen can cause light to pass but can cut off microwave leakage. One part of the net screen inserted in a groove part of the fixing nut is connected to the wave-guiding tube outlet part so as to fix the net screen, and an outer screw thread capable of assembling the fixing nut by a screw structure is formed on the wave-guiding tube outlet part. The part of the net screen inserted in the groove part of the fixing nut is in a non net-shaped structure, the fixing nut is provided with the groove part capable of causing the tail end of the net screen to be inserted, and in order to screw the fixing nut on the wave-guiding tube outlet part, an inner screw thread is formed on the inner surface of the fixing nut. The present invention has the advantages of simple structure, convenient loading and unloading process and high mounting stability, and the present invention can not be damaged because of the partial stress of the net screen in a mounting process.
Description
Technical field
The present invention relates to utilize the electrodeless lighting apparatus of microwave, relate in particular to the fixture of its mesh screen.
Background technology
In general, electrodeless lighting apparatus is microwave to be loaded into electrodeless plasma lamps bubble go up and obtain thus visible light or ultraviolet device, compares with common incandescent lamp and fluorescent lamp etc., and it has, and bulb life is long, the characteristics of good illumination effect.
As shown in Figure 1, the electrodeless lighting apparatus of prior art is by the magnetron that can produce microwave 2 that is installed in shell 1 inside, convert alternating voltage commonly used the high pressure generator 3 of high pressure to magnetron 2 outputs, thereby the waveguide pipe 4 of the microwave that the conduction magnetron 2 that is connected with the outlet of magnetron 2 is produced, under the effect of the microwave energy of coming by waveguide pipe 4 conduction, send the bulb 5 of light when making the luminescent substance plasma of sealing in it, cover above-mentioned waveguide pipe 4 and bulb 5 fronts, can cut off microwave and mesh screen 6 that light that bulb 5 is sent passes through constitutes.
In addition, cover light that mesh screen 6 sends bulb 5 and concentrate speculum 7 to front irradiation thereby be equipped with in the front of shell 1, be equipped with at the rear of bulb 5 on the 4a of export department that is installed in waveguide pipe 4 microwave is passed through and with the mirror 8 of light reflection.
In addition, in order to cool off, the cooling fan assembly 9 that is made of cooling fan and cooling fan casing is housed at the rear of shell 1 to magnetron 2 and high pressure generator 3.
Reference symbol M1 among Fig. 1 is the bulb motor that is used for rotating bulb 5, and M2 is the fan electromotor that is used for rotating the cooling fan in the cooling fan assembly 9.
Bulb portion 5 can be by the illuminating part 5a of the luminogen luminescent substance of microwave by packing into inside quartzy or that pottery is made, prolong out and the axial region 5b that is connected to waveguide pipe 4 centers constitutes from illuminating part 5a.
Particularly mesh screen 6 is the columnar reticulate body of end sealing.Such mesh screen 6 is to insert after the 4a of the export department outside of waveguide pipe 4 connecting filler rod band by end that it is open) mode that is stuck on the outer surface of mesh screen 6 of 6B is fixed on the waveguide pipe 4.
In the electrodeless lighting apparatus of aforesaid prior art, if energized on high pressure generator 3, then high pressure generator 3 meetings be boosted AC power and the high pressure that process is boosted is exported to magnetron 2, thereby and magnetron 2 can the vibration generation have very high-frequency microwave under the effect of high pressure.
The microwave that is produced by this kind mode by magnetron 2 passes through the inner radiation of waveguide pipe 4 to mesh screen 6, thereby make the material discharge that is sealed in the bulb 5 produce light, thereby such light illuminate the space by the place ahead that speculum 7 and mirror 8 are reflected to lighting device with fixed transmission spectrum.
But in the electrodeless lighting apparatus of aforesaid prior art, be on its outer peripheral portion, to assemble again under the state outside the 4a of export department that mesh screen 6 is inserted waveguide pipe 4 to connect filler rod 6B's, though therefore mesh screen 6 has been fixed, but, connection filler rod 6B is not easy because dismantling very after assembling again, therefore place under repair or replacement become very difficult under the situation of bulb generation breakage, disassembled also and it can not have been utilized again even will connect filler rod 6B, therefore had the problem that to use new some unnecessary maintenance costs such as parts.
In addition, in the electrodeless lighting apparatus of aforesaid prior art, for mesh screen 6 can be close on the 4a of export department of waveguide pipe 4 equably, several notch (not shown) on its end portion, have been formed, be fixed with connecting filler rod 6B chucking, therefore the problem that exists is if apply excessive power then might cause the damage of mesh part on this part of notch of mesh screen 6.
Summary of the invention
The above-mentioned shortcoming that exists for the fixture of the mesh screen that overcomes existing electrodeless lighting apparatus, the invention provides a kind of fixture and the fixing nut used of mesh screen of mesh screen of electrodeless lighting apparatus, can mesh screen be fixed on structure on the waveguide pipe by utilizing nut that mesh screen can insert, so that the operation of assembling mesh screen is more prone to and improves the reliability at assembling position.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of fixture of mesh screen of electrodeless lighting apparatus, comprise waveguide pipe, mesh screen and mesh screen is fixed on hold-down nut in the waveguide pipe export department, it is characterized in that described mesh screen, be connected described waveguide pipe export department can make light by but the mesh screen that cuts off microwave leakage has a part at least is network structure, thereby under the part of described mesh screen is inserted in state in the hold-down nut groove, be connected fixing described mesh screen in the export department of described waveguide pipe; Described hold-down nut in the form of a ring, formed the groove of the end insertion that can make mesh screen on the anchor ring, and have can be with the securing clamp structures of mesh screen when mesh screen connects in the export department of described waveguide pipe, formed internal thread for being screwed in the waveguide pipe export department on the described hold-down nut inner surface, formed in the export department of described waveguide pipe and can make the external screw thread of described hold-down nut by the screw structural assembling.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus has wherein formed in the export department of waveguide pipe and can make the external screw thread of described hold-down nut by the screw structural assembling.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus, wherein the part in the groove of the described hold-down nut of insertion of mesh screen is non-network structure.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus, wherein hold-down nut has the groove that the end that can make described mesh screen inserts, and is forming internal thread on for the export department that can be screwed in waveguide pipe on the inner surface.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus wherein has the clamp structures that is used for fixing on the hold-down nut.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus, wherein clamp structures be the sidewall thickness by described groove inserts towards described mesh screen on the inner surface of described hold-down nut direction to the inside gradually attenuation form.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus, wherein the cross section of hold-down nut is " [" shape.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus wherein has the clipping part that can utilize instrument that it is tightened or unclamps on the outer surface of hold-down nut.
The fixture of the mesh screen of aforesaid electrodeless lighting apparatus, wherein the clipping part is the structure that is polygon that forms on the outer surface of described hold-down nut.
Next, the feature of the nut that fixedly mesh screen of the present invention is for achieving the above object used is: it is circular, be provided with the internal thread that to twist in the export department that is connected on waveguide pipe on the inner surface of annular, be formed with the annular groove of the end insertion that can make mesh screen on its planar annular, and have the structure that when mesh screen connects, can be fixed in the export department of waveguide pipe.Fixedly the nut used of mesh screen wherein has the clamp structures that is used for fixing mesh screen on the hold-down nut.
The effect of invention
For the mesh screen fixture of electrodeless lighting apparatus of the present invention and the fixing nut used of mesh screen with aforesaid structure and effect, on needing only under the state that mesh screen is inserted, just can finish installation, therefore have the advantage that simply promptly to finish the assembly operation of mesh screen the export department of nut screwing clamping in waveguide pipe.
In addition, thereby the hold-down nut among the present invention is to tighten under the effect that is applied to its uniform power on the whole and with the intake section of mesh screen it is connected on the waveguide pipe, therefore it is damaged and produce problem such as microwave leakage by the slit to have solved mesh screen, thereby has the advantage that can improve reliability of products.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the longitdinal cross-section diagram of the electrodeless lighting apparatus of prior art
Fig. 2 is the longitdinal cross-section diagram of electrodeless lighting apparatus of the present invention
Fig. 3 is the exploded view of the fixed structure of the mesh screen in the electrodeless lighting apparatus of the present invention
Fig. 4 is cut open the end view of a part for the nut that is used for fixing mesh screen in the electrodeless lighting apparatus of the present invention
The number in the figure explanation
10: shell 20: high pressure generator
30: magnetron 40: waveguide pipe
41: body 45: lid (cover) portion
46: the 46a of export department: external screw thread
50: mesh screen 51: reticular part
55: non-reticular part 60: bulb
70: speculum 100: hold-down nut
101: internal thread 103: groove
105: the clipping part
Embodiment
As shown in Figure 2, in electrodeless lighting apparatus of the present invention, be equipped with in the place ahead of shell 10 the insides and can produce high-tension high pressure generator 20, thereby the magnetron 30 that obtains being produced by the high pressure that high pressure generator 20 produces microwave is being housed on the position of certain intervals with high pressure generator 20.
In addition, the waveguide pipe 40 that can conduct the microwave that is produced by magnetron 30 is housed between magnetron 30 and high pressure generator 20, the resonance zone (resonating region) of the microwave of coming is conducted in formation by waveguide pipe 40 mesh screen 50 is housed in the export department 46 of waveguide pipe 40.
Here, for can shield microwaves but light is passed through, described mesh screen 50 be and has cancellated drum.
This mesh screen 50 is to be fixed in the export department 46 of waveguide pipe 40 by hold-down nut 100.
And the bulb 60 that inner sealing luminescent substance is equipped with in the inside of mesh screen 50.Here, the luminescent substance that is sealed in the bulb 60 is made up of the metallics that sends light when can form plasma under the effect of microwave etc.
The speculum 70 that the light that bulb 60 is sent can be reflexed to the place ahead is housed in the front of shell 10.
The bulb motor 90 and the bulb axle 91 that is connected bulb motor 90 and bulb 60 that is used for rotating bulb 60 is equipped with in the inside of described shell 10.In addition, in order to distribute the heat that high pressure generator 20 and magnetron 30 are produced, cooling fan 93 and the fan electromotor 95 that is used for driving cooling fan are housed in the shell 10, and the air flow high pressure generator 20 that under the effect of cooling fan 93, produces and the air deflector (air guide) 97 of magnetron 30 residing location guides.
Have a look the structure that is used for fixing mesh screen in the electrodeless lighting apparatus of the present invention with said structure below with reference to Fig. 3.
As shown in Figure 3, described waveguide pipe 40 is made of with the cover section 45 that is connected the front of body 41 body 41 of the resonance zone that forms microwave in the conduction microwave.At this, be formed with on the cover section 45 from the outstanding to the outside export department that cylindrical structure is arranged 46 in the inside of shell 10, be formed with the external screw thread that hold-down nut 100 is screwed on the outer surface of described export department 46.
Described mesh screen 50 can shield microwaves but cancellated reticular part 51 that light passes through and the non-reticular part 55 that can insert export department 46 outsides of waveguide pipe 40 are constituted by having.Here, described non-reticular part 55 is to install with the state that is inserted in the annular groove 103 on the hold-down nut 100, and the top of it does not form notch of the prior art etc., but is the drum that does not have notch.
Aforesaidly be used for that mesh screen 50 is fixed on hold-down nut 100 on the waveguide pipe 40 and have and insert states in the groove 103 by mesh screen 50 with a part and be connected the mode in the export department 46 of waveguide pipe 40 and mesh screen 50 be fixed on structure in the export department 46 of waveguide pipe 40.
The cross section that is described hold-down nut 100 is that " shape of the circular rings of [" shape, the groove 103 that has the non-reticular part 55 that can make mesh screen 50 to insert is formed with the internal thread in the export department 46 that can be connected waveguide pipe 40 on its inner surface.
In addition, the mesh screen 50 that is inserted in the groove 103 when making hold-down nut 100 in the export department 46 that is connected waveguide pipe 40 can not spin off, and the clamp structures that is used for fixing is arranged on the hold-down nut.Here, described clamp structures is little taper surface screw thread on being to descend greatly on the inner surface of hold-down nut 100 preferably, promptly by above-mentioned groove 103 sidewall thickness t
1, t
2The direction of inserting towards mesh screen 50 is to the inside attenuation and forming gradually.
Certainly according to design condition, do not break away from for making mesh screen 50, clamp structures can be only fluted 103 the relative thicker a kind of structure in porch, also can be to the outstanding a kind of structure in the porch of groove 103.
In addition, have on the outer surface of hold-down nut 100 and can utilize instrument its chucking or the clipping part 105 of unclamping.In example of the present invention, clipping part 105 is structures that the outer surface the same with common nut is polygon, this structure make hold-down nut 100 connection and the dismounting all very convenient.
Below to the fixture of the mesh screen of electrodeless lighting apparatus of the present invention with said structure and fixedly the effect of the nut used of mesh screen illustrated.
In end portion with mesh screen 50---under the state in the groove 103 of non-reticular part 55 insertion hold-down nuts 100,, so just can be connected mesh screen 50 on the waveguide pipe 40 easily if hold-down nut 100 is tightened in the export department 46 of waveguide pipe 40.
Because the outer surface of hold-down nut 100 has the clipping part 105 that is formed by polygonal structure, therefore can utilize instrument etc. easily its rotation to be assembled here.
Particularly in hold-down nut 100, the thickness t of porch one side of the groove 103 that mesh screen 50 inserts is arranged
1Thickness t inside comparing
2Thick, therefore with hold-down nut 100 in the process of export department's 46 connections of waveguide pipe 40, to mesh screen 50 be blocked with bigger power in the porch of groove 103 part.So, mesh screen 50 just can and can not separate from waveguide pipe 40 by the hold-down nut 100 stable stationary states of maintenance.
On the other hand, mesh screen 50 structurally and notch arranged in prior art, but on assembling under the state in inserting hold-down nut 100, therefore be to install under whole external force acts on state on the non-reticular part 55 of mesh screen 50 equably, in the time of can preventing to assemble thus or assembling back mesh screen 50 damages or damaged danger because of the effect of local external force.
Meanwhile, because hold-down nut 100 can not be connected and fixed mesh screen 50 and waveguide pipe 40, therefore can prevent danger such as microwave leakage with not producing any slit, thereby can improve the reliability of lighting device.
Claims (8)
1, a kind of fixture of mesh screen of electrodeless lighting apparatus comprises waveguide pipe, mesh screen and mesh screen is fixed on hold-down nut in the waveguide pipe export department, it is characterized in that
Described mesh screen, be connected described waveguide pipe export department can make light by but the mesh screen that cuts off microwave leakage has a part at least is network structure,
Thereby under being inserted in state in the hold-down nut groove, the part of described mesh screen is connected fixing described mesh screen in the export department of described waveguide pipe;
Described hold-down nut in the form of a ring, formed the groove of the end insertion that can make mesh screen on the anchor ring, and have can be with the securing clamp structures of mesh screen when mesh screen connects in the export department of described waveguide pipe, formed internal thread for being screwed in the waveguide pipe export department on the described hold-down nut inner surface, formed in the export department of described waveguide pipe and can make the external screw thread of described hold-down nut by the screw structural assembling.
2, the fixture of the mesh screen of electrodeless lighting apparatus according to claim 1 is characterized in that the part in the groove of the described hold-down nut of insertion of described mesh screen is non-network structure.
3, the fixture of the mesh screen of electrodeless lighting apparatus according to claim 1, it is characterized in that described clamp structures be the sidewall thickness by described groove inserts towards described mesh screen on the inner surface of described hold-down nut direction to the inside gradually attenuation form.
4, the fixture of the mesh screen of electrodeless lighting apparatus according to claim 1 and 2, " [" the shape that it is characterized in that the cross section of described hold-down nut is.
5, the fixture of the mesh screen of electrodeless lighting apparatus according to claim 1 and 2 is characterized in that on the outer surface of described hold-down nut the clipping part that can utilize instrument that it is tightened or unclamps being arranged.
6, the fixture of the mesh screen of electrodeless lighting apparatus according to claim 5 is characterized in that described clipping part is the structure that is polygon that forms on the outer surface of described hold-down nut.
7, the nut used of a kind of fixedly mesh screen, it is characterized in that the ring-type that it is rounded, at the internal thread that is formed with on the inner surface in the export department that can be screwed in waveguide pipe by screw structural, formed the groove of the end insertion that can make mesh screen on the anchor ring, and had the structure that when mesh screen connects, can be fixed in the export department of described waveguide pipe.
8, the nut used of fixedly mesh screen according to claim 7 is characterized in that the clamp structures that is used for fixing mesh screen is arranged on the described hold-down nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021531331A CN1324646C (en) | 2002-11-26 | 2002-11-26 | Fixture for net screen of electrode free illumination device and nut for fixing net screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021531331A CN1324646C (en) | 2002-11-26 | 2002-11-26 | Fixture for net screen of electrode free illumination device and nut for fixing net screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1503317A CN1503317A (en) | 2004-06-09 |
| CN1324646C true CN1324646C (en) | 2007-07-04 |
Family
ID=34234955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021531331A Expired - Fee Related CN1324646C (en) | 2002-11-26 | 2002-11-26 | Fixture for net screen of electrode free illumination device and nut for fixing net screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1324646C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0153745A2 (en) * | 1984-03-02 | 1985-09-04 | Mitsubishi Denki Kabushiki Kaisha | Microwave discharge light source apparatus |
| US4894592A (en) * | 1988-05-23 | 1990-01-16 | Fusion Systems Corporation | Electrodeless lamp energized by microwave energy |
| CN1350698A (en) * | 1999-05-12 | 2002-05-22 | 熔化照明股份有限公司 | High brightness microwave lamp |
| CN1360337A (en) * | 2000-12-18 | 2002-07-24 | Lg电子株式会社 | Resonator of microwave lighting device and method for making same |
| US6465959B1 (en) * | 1997-06-04 | 2002-10-15 | Fusion Lighting, Inc. | Method and apparatus for improved electrodeless lamp screen |
-
2002
- 2002-11-26 CN CNB021531331A patent/CN1324646C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0153745A2 (en) * | 1984-03-02 | 1985-09-04 | Mitsubishi Denki Kabushiki Kaisha | Microwave discharge light source apparatus |
| US4894592A (en) * | 1988-05-23 | 1990-01-16 | Fusion Systems Corporation | Electrodeless lamp energized by microwave energy |
| US6465959B1 (en) * | 1997-06-04 | 2002-10-15 | Fusion Lighting, Inc. | Method and apparatus for improved electrodeless lamp screen |
| CN1350698A (en) * | 1999-05-12 | 2002-05-22 | 熔化照明股份有限公司 | High brightness microwave lamp |
| CN1360337A (en) * | 2000-12-18 | 2002-07-24 | Lg电子株式会社 | Resonator of microwave lighting device and method for making same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1503317A (en) | 2004-06-09 |
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