CN210040129U - High-power ceramic metal halide lamp - Google Patents
High-power ceramic metal halide lamp Download PDFInfo
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- CN210040129U CN210040129U CN201921292691.1U CN201921292691U CN210040129U CN 210040129 U CN210040129 U CN 210040129U CN 201921292691 U CN201921292691 U CN 201921292691U CN 210040129 U CN210040129 U CN 210040129U
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Abstract
The utility model relates to a lamps and lanterns technical field provides a high-power ceramic metal halide lamp in order to solve the problem that ceramic metal halide lamp power is low and can't provide full gloss register for easy reference spectral line, high-power ceramic metal halide lamp includes: the side wall of the shell is of a double-layer transparent structure, the arc tube is arranged in the shell, the internal length of the arc tube is L, the internal diameter of the arc tube is D, and the designed LD proportion of the arc tube is as follows: 2 < L/D < 11. according to the high-power ceramic metal halide lamp of the utility model, the shell with the double-layer transparent structure can prevent fragments from accidentally injuring users when the arc tube is cracked, and can prevent metal halide and mercury vapor from diffusing to the outside, thereby protecting the external environment; the size of the arc tube is limited in the size, the arc tube can be prevented from exploding while the electrode can start the arc tube, the power of the arc tube can be improved, and the requirement of a user can be met by the high-power ceramic metal halide lamp.
Description
Technical Field
The utility model belongs to the technical field of the lamps and lanterns technique and specifically relates to a high-power ceramic metal halide lamp is related to.
Background
In high latitude areas, insufficient sunlight, continuous rainy weather and the like cause that the light intensity received by plants changes along with the difference of the sun height, season, day and night, cloud amount, rain (snow and fog) amount, PM2.5, light transmittance of shades and the like, and the light intensity in partial time periods or areas is insufficient. When the illumination intensity is lower than the compensation point, the consumption of organic substances is more than accumulated, the dry quality of the plants is reduced, and even the plants die. The growth of the plants is weak and overgrown even under low light conditions. In order to ensure the yield and quality of plant planting, the plant light supplementing light source is generated at the same time. The plant light supplementing light source can emit light energy to the maximum extent, supply photosynthesis required by plants normally, ensure the requirement of crops for normal growth and ensure the benefit and quality of agricultural production.
At present, the hottest plant light supplement light source mostly uses a high-voltage sodium lamp, an LED light source and a plurality of high-power ceramic metal halide lamps with small-power ceramic metal halide lamps connected in series. The high-pressure sodium lamp light supplementing light source really plays a good role in the field of plant planting, particularly the high-power high-pressure sodium lamp has a high PPF value and excellent red light, can achieve a good light supplementing planting effect at the stage of flowering and fruiting of plants, but does not belong to a full light spectrum, has little blue light, and has a poor planting effect during the period of seedling raising and stem leaf growth of the plants; the LED light source is used as a novel energy-saving light source and is gradually applied in the plant planting stage, the required spectrum can be adjusted according to the spectrum required by the plant, the operation is very convenient, the power of the LED plant light supplement light source is relatively low due to the limitation of technology and cost, the PPF of the LED plant light supplement light source cannot achieve the ideal planting effect, the ultraviolet spectrum is lacked, the longest service life of the latest ultraviolet LED light source of the international major company is only 1000 hours at present, the requirement of the plant planting stage on the ultraviolet light source cannot be met completely, the plant inevitably generates plant diseases and insect pests in the planting stage, and the early death phenomenon of the plant occurs; the highest power of the ceramic metal halide lamp at the early stage is 315w or 400w, in order to meet the use requirements of high powers such as high power 630w or 945w, part of companies adopt a plurality of ceramic metal halide lamp arc tubes with low power N to be connected in series to realize the high power metal halide lamp, however, the failure probability of the metal halide lamp with a plurality of ceramic arc tubes connected in series is very high in the use process, the damage of one arc tube can cause the failure of the whole lamp, the service life of the high power metal halide lamp with a plurality of ceramic arc tubes connected in series is usually not more than 2000 hours, and thus, no matter in cost, or planting quality, the ideal light supplementing planting effect can not be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that ceramic metal halide lamp power is low and can't provide full gloss register for easy reference spectral line, provide a high-power ceramic metal halide lamp.
According to the utility model discloses a high-power ceramic metal halide lamp, include: the side wall of the shell is of a double-layer transparent structure, the arc tube is arranged in the shell, the internal length of the arc tube is L, the internal diameter of the arc tube is D, and the designed LD proportion of the arc tube is as follows: L/D is more than 2 and less than 11.
According to an embodiment of the invention, the arc tube is filled with a metal halide, mercury and a filling gas.
According to an embodiment of the invention, the metal halide is formed as a metal halide of one of cesium, potassium, yttrium, praseodymium, sodium, dysprosium, holmium and thulium; or the metal halide is formed as a mixture of metal halides of cesium, potassium, yttrium, praseodymium, sodium, dysprosium, holmium, and thulium.
According to an embodiment of the invention, the filling gas is formed as one of xenon, argon, neon, krypton; or the filling gas is formed into a mixed gas of a plurality of gases of xenon, argon, neon and krypton.
According to an embodiment of the present invention, the arc tube comprises: the electrode comprises a ceramic tube body with two open ends, two tube plugs and two electrodes, wherein the two tube plugs are arranged at the two ends of the tube body in a one-to-one correspondence mode and close the two open openings of the tube body, the two electrodes are arranged on the two tube plugs in a one-to-one correspondence mode, and the electrodes penetrate through the tube plugs and stretch into the tube body.
According to the utility model discloses an embodiment, the stopcock includes the great main part section of diameter and with the main part section links to each other and the less linkage segment of diameter, the external diameter of linkage segment equals the internal diameter of body.
According to the utility model discloses an embodiment, be formed with the edge on the stopcock the electrode perforation that the axial of stopcock runs through, the electrode is pegged graft in the electrode perforation, just the periphery wall of electrode with it establishes to be equipped with the cover between the fenestrate internal perisporium of electrode sealing member on the electrode.
According to the utility model discloses an embodiment, the both ends of casing are opened, high-power ceramic metal halide lamp still includes: the four-corner fixing bracket is arranged in the shell, the outer peripheral wall of the four-corner fixing bracket is abutted against the inner peripheral wall of the shell, the arc tube is arranged between the two four-corner fixing brackets, the elastic metal lead is connected between the connecting lead of one of the quartz press plates and the arc tube, the metal straight lead is connected between the connecting lead of the other quartz press plate and the arc tube, and the getter is arranged in the shell and fixed on the four-corner fixing brackets.
According to the utility model discloses an embodiment, four corners fixed bolster includes: the arc tube comprises a body part and a plurality of supporting parts, wherein the body part is arranged in the shell, the arc tube is connected to the body part, the supporting parts are connected with the body part and extend outwards along the radial direction of the body part, the supporting parts are arranged at intervals along the circumferential direction of the body part, and one end of each supporting part, far away from the body part, is abutted against the inner circumferential wall of the shell.
According to an embodiment of the present invention, the housing includes: the inner quartz tube and the outer quartz tube are sleeved on the inner quartz tube, the arc tube is installed in the inner quartz tube, the two ends of the outer quartz tube are connected to the inner quartz tube, and the inner circumferential wall of the outer quartz tube is spaced from the outer circumferential wall of the inner quartz tube.
The technical effects of the utility model: according to the high-power ceramic metal halide lamp, on one hand, through the shell with the double-layer transparent structure, fragments generated by the inner-layer quartz tube can be kept in the outer-layer quartz tube when the electric arc tube is cracked, so that users are prevented from being accidentally injured by the fragments, and metal halide can be prevented from being exploded to the outside, so that the external environment is protected, and mercury in the electric arc tube can be prevented from evaporating into the air, so that the human body is prevented from being damaged; on the other hand, the size of the arc tube is limited in the size, the arc tube can be prevented from exploding while the electrode can start the arc tube, the power of the arc tube can be improved, and the requirement of a user can be met by the high-power ceramic metal halide lamp.
Drawings
FIG. 1 is a schematic structural diagram of a high-power ceramic metal halide lamp according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an arc tube according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a four-corner fixing bracket according to an embodiment of the present invention;
fig. 4 is a side view of the four corner fixing bracket according to the embodiment of the present invention.
In the figure:
100: a high power ceramic metal halide lamp; 1: a housing; 2: an arc tube; 3: a ceramic tube body; 4: a pipe plug; 5: an electrode; 6: a quartz press plate; 7: a bracket is fixed at four corners; 8: an elastic metal wire; 9: a metal straight wire; 10: a getter; 11: a body portion; 12: a support portion; 13: an inner quartz tube; 14: an outer quartz tube; 15: a main body section; 16: a connecting section; 17: a seal member; 18: and connecting the lead.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A high power ceramic metal halide lamp 100 according to the present invention is described with reference to fig. 1-4, comprising: a casing 1 and an arc tube 2.
Wherein, the sidewall of the housing 1 has a double-layer transparent structure, for example, the housing 1 may include: the inner layer quartz tube 13 and the outer layer quartz tube 14 sleeved on the inner layer quartz tube 13 are arranged in the inner layer quartz tube 13, the two ends of the outer layer quartz tube 14 are connected to the inner layer quartz tube 13, and the inner peripheral wall of the outer layer quartz tube 14 is spaced from the outer peripheral wall of the inner layer quartz tube 13. Through the casing 1 that sets up double-deck transparent construction, the piece that inlayer quartz capsule 13 produced when arc tube 2 explodes splits can be kept somewhere among outer quartz capsule 14, prevents that the piece from accidentally injuring the user, can prevent moreover that metal halide from exploding to penetrate to the outside to protect the external environment, in addition can prevent that the mercury in arc tube 2 from evaporating to the air, thereby avoid endangering the human body.
Arc tube 2 establishes in casing 1, and the inside length of arc tube 2 is L, and the internal diameter of arc tube 2 is D, and the LD proportion that arc tube 2 designed is: L/D is more than 2 and less than 11. That is, the length of the arc tube 2 is between 2 and 11 times the inner diameter of the arc tube 2.
Therefore, according to the utility model discloses high-power ceramic metal halide lamp 100, inject the size of arc tube 2 within above-mentioned size, can prevent that arc tube 2 from exploding when guaranteeing that electrode 5 can start arc tube 2, can promote arc tube 2's power moreover, ensures that high-power ceramic metal halide lamp 100 can satisfy user's demand.
According to one embodiment of the present invention, the arc tube 2 is filled with a metal halide, mercury and a fill gas. Wherein the metal halide is formed as a metal halide of one of cesium, potassium, yttrium, praseodymium, sodium, dysprosium, holmium, and thulium; or the metal halide is formed as a mixture of metal halides of cesium, potassium, yttrium, praseodymium, sodium, dysprosium, holmium and thulium. The filling gas is formed into one of xenon, argon, neon and krypton; or the filling gas is formed into a mixed gas of a plurality of gases of xenon, argon, neon and krypton. The metal halide made of the material can improve the quality of light emitted by the arc tube 2, ensure that the light generated by the arc tube 2 is a full-spectrum spectral line, and further meet the requirements of users on the high-power ceramic metal halide lamp 100.
According to an embodiment of the present invention, the arc tube 2 includes: two open ceramic tube body 3 in both ends, two stopcocks 4 and two electrodes 5, two stopcocks 4 are established at the tube body both ends and are sealed two opening of body one-to-one, and two electrodes 5 are on two stopcocks 4 one-to-one, and electrode 5 passes stopcock 4 and stretches into in the tube body.
The pipe plug 4 comprises a main body section 15 with a larger diameter and a connecting section 16 which is connected with the main body section 15 and has a smaller diameter, and the outer diameter of the connecting section 16 is equal to the inner diameter of the pipe body.
That is to say, a step surface is formed between the main body section 15 and the connecting section 16, and the step structure is used to seal the tube plug 4 and the ceramic tube body 3, so that the contact area between the tube body and the tube plug 4 can be increased to improve the sealing effect of the tube plug 4 on the tube body, improve the reliability of the arc tube 2, and further improve the reliability of the high-power ceramic metal halide lamp 100.
According to the utility model discloses an embodiment, be formed with the electrode 5 perforation that runs through along the axial of stopcock 4 on stopcock 4, electrode 5 pegs graft in electrode 5 perforation, and is equipped with the sealing member 17 that the cover was established on electrode 5 between the outer peripheral wall of electrode 5 and the fenestrate interior perisporium of electrode 5.
The sealing element 17 comprises conductive ceramic and a molybdenum wire fixing ring, so that the sealing element 17 can be well sealed with the tube plug 4, a certain space for thermal expansion and cold contraction is provided, the sealing part is not cracked due to thermal expansion or cooling contraction, and the sealing effect between the electrode 5 and the tube plug 4 is favorably improved. The discharge electrode 5 can adjust the electrodes 5 with different sizes according to the requirements of different powers so as to adapt to the use requirements of a large-current and high-power arc tube 2, and the phenomenon that the electrodes 5 are evaporated or sputtered in the discharge process due to the unreasonable design of the electrodes 5, so that the blackening and early failure of the lamp are avoided.
According to the utility model discloses an embodiment, the both ends of casing 1 are opened, and high-power ceramic metal halide lamp 100 still includes: two quartz pressing plates 6, two four corners fixed bolster 7, elastic metal wire 8, metal straight wire 9 and getter 10, two quartz pressing plates 6 are established at the both ends of casing 1 and are closed casing 1 one-to-one, and be equipped with connecting wire 18 on the quartz pressing plate 6, four corners fixed bolster 7 is established in casing 1, and the periphery wall of four corners fixed bolster 7 ends on the internal perisporium of casing 1, electric arc tube 2 is established between two four corners fixed bolster 7, elastic metal wire 8 is connected between connecting wire 18 and electric arc tube 2 of one of quartz pressing plates 6, metal straight wire 9 is connected between connecting wire 18 and electric arc tube 2 of another quartz pressing plate 6, getter 10 is established in casing 1 and is fixed on four corners fixed bolster 7. By adding the getter 10, it is possible to help absorb impurity gases such as carbon, oxygen, hydrogen, and water vapor during the process, and it is possible to ensure that the impurity gases adversely affect and contaminate the arc tube 2, thereby ensuring the life of the lamp.
Wherein, four corners fixed bolster 7 includes: a body portion 11 and a plurality of support portions 12, the body portion 11 is provided in the casing 1, the arc tube 2 is connected to the body portion 11, the support portions 12 are connected to the body portion 11 and extend outward in a radial direction of the body portion 11, the plurality of support portions 12 are provided at intervals in a circumferential direction of the body portion 11, and an end of the support portion 12 remote from the body portion 11 abuts against an inner peripheral wall of the casing 1.
The number of the support portions 12 is at least three, and preferably, four support portions 12 may be provided, and the plurality of support portions 12 are provided at equal intervals in the circumferential direction of the main body portion 11. The four corners fixed bolster 7 utilizes the supporting part 12 butt on casing 1 internal perisporium and then fixes on casing 1, presss from both sides electric arc tube 2 between two four corners fixed bolsters 7, simple structure, and convenient assembling can promote electric arc tube 2's assembly stability moreover. In addition, the four-corner fixing bracket 7 can normally work in the working circuit of the arc tube 2, and does not generate magnetic induction with the high-power ceramic metal halide lamp 100, thereby generating unnecessary electromagnetic interference.
One end of the support part 12, which is far away from the body part 11, is formed with a flange bent along the axial direction of the ceramic tube 3, and the flange abuts against the inner peripheral wall of the ceramic tube 3, so as to prevent damage caused by excessive stress between the support part 12 and the ceramic tube 3.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (10)
1. A high power ceramic metal halide lamp (100), comprising:
the side wall of the shell (1) is provided with a double-layer transparent structure;
an arc tube (2), the arc tube (2) is arranged in the shell (1), the internal length of the arc tube (2) is L, the internal diameter of the arc tube (2) is D, and the LD proportion of the arc tube (2) is designed as follows: L/D is more than 2 and less than 11.
2. The high power ceramic metal halide lamp (100) of claim 1, wherein the arc tube (2) is filled with a metal halide, mercury, and a fill gas.
3. The high power ceramic metal halide lamp (100) of claim 2, wherein the metal halide is formed as a metal halide of one of cesium, potassium, yttrium, praseodymium, sodium, dysprosium, holmium and thulium; or
The metal halide is formed as a mixture of metal halides of cesium, potassium, yttrium, praseodymium, sodium, dysprosium, holmium, and thulium.
4. The high power ceramic metal halide lamp (100) according to claim 2, wherein the fill gas is formed as one of xenon, argon, neon, krypton; or
The filling gas is formed as a mixed gas of a plurality of gases of xenon, argon, neon and krypton.
5. The high power ceramic metal halide lamp (100) according to claim 1, wherein the arc tube (2) comprises:
a ceramic tube body (3) with two open ends;
the two pipe plugs (4) are arranged at two ends of the pipe body in a one-to-one correspondence manner and seal the two open openings of the pipe body;
the two electrodes (5) are arranged on the two pipe plugs (4) in a one-to-one correspondence mode, and the electrodes (5) penetrate through the pipe plugs (4) and extend into the pipe body.
6. The high power ceramic metal halide lamp (100) according to claim 5, wherein the plug (4) comprises a main body section (15) with a larger diameter and a connecting section (16) with a smaller diameter connected to the main body section (15), the outer diameter of the connecting section (16) being equal to the inner diameter of the tube body.
7. The high-power ceramic metal halide lamp (100) according to claim 5, wherein an electrode (5) through hole penetrating along the axial direction of the plug (4) is formed on the plug (4), the electrode (5) is inserted into the electrode (5) through hole, and a sealing member (17) sleeved on the electrode (5) is arranged between the outer peripheral wall of the electrode (5) and the inner peripheral wall of the electrode (5) through hole.
8. The high power ceramic metal halide lamp (100) according to claim 1, wherein both ends of the housing (1) are open, the high power ceramic metal halide lamp (100) further comprising:
the two quartz pressing plates (6) are correspondingly arranged at two ends of the shell (1) one by one and seal the shell (1), and connecting wires (18) are arranged on the quartz pressing plates (6);
the four-corner fixing support (7) is arranged in the shell (1), the outer peripheral wall of the four-corner fixing support (7) is abutted against the inner peripheral wall of the shell (1), and the electric arc tube (2) is arranged between the two four-corner fixing supports (7);
a resilient metal wire (8), said resilient metal wire (8) being connected between a connecting wire (18) of one of said quartz platens (6) and said arc tube (2);
a metal straight wire (9), the metal straight wire (9) is connected between a connecting wire (18) of the other quartz pressure plate (6) and the arc tube (2)
The getter (10) is arranged in the shell (1) and fixed on the four-corner fixing support (7).
9. The high power ceramic metal halide lamp (100) according to claim 8, wherein the quadrangle fixing bracket (7) comprises:
a body portion (11), said body portion (11) being disposed within said casing (1), and said arc tube (2) being connected to said body portion (11);
a plurality of supporting parts (12), wherein the supporting parts (12) are connected with the body part (11) and extend outwards along the radial direction of the body part (11), the supporting parts (12) are arranged at intervals along the circumferential direction of the body part (11), and one end of the supporting part (12) far away from the body part (11) is stopped on the inner circumferential wall of the shell (1).
10. The high power ceramic metal halide lamp (100) according to claim 1, wherein the housing (1) comprises: inner quartz capsule (13) and cover are established outer quartz capsule (14) on inner quartz capsule (13), arc tube (2) are installed in inner quartz capsule (13), the both ends of outer quartz capsule (14) are all connected on inner quartz capsule (13), just the internal perisporium of outer quartz capsule (14) with the periphery wall interval of inner quartz capsule (13) sets up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292691.1U CN210040129U (en) | 2019-08-09 | 2019-08-09 | High-power ceramic metal halide lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292691.1U CN210040129U (en) | 2019-08-09 | 2019-08-09 | High-power ceramic metal halide lamp |
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| Publication Number | Publication Date |
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| CN210040129U true CN210040129U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921292691.1U Active CN210040129U (en) | 2019-08-09 | 2019-08-09 | High-power ceramic metal halide lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952146A (en) * | 2020-08-14 | 2020-11-17 | 合肥东森电光源有限公司 | Artificial arctic light generator |
-
2019
- 2019-08-09 CN CN201921292691.1U patent/CN210040129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952146A (en) * | 2020-08-14 | 2020-11-17 | 合肥东森电光源有限公司 | Artificial arctic light generator |
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