CN110223906B - Comprehensive mercury lamp heat radiation structure - Google Patents
Comprehensive mercury lamp heat radiation structure Download PDFInfo
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- CN110223906B CN110223906B CN201910509727.5A CN201910509727A CN110223906B CN 110223906 B CN110223906 B CN 110223906B CN 201910509727 A CN201910509727 A CN 201910509727A CN 110223906 B CN110223906 B CN 110223906B
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- water
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 93
- 230000005855 radiation Effects 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 73
- 239000000428 dust Substances 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a comprehensive mercury lamp radiating structure, which comprises a base device, a lamp box shell and a lamp bracket, wherein a mercury lamp is arranged at the bottom of the lamp bracket; the two sides of the lamp bracket are respectively provided with a first cavity and a second cavity, the base device is provided with a water inlet communicated with the first cavity and a water outlet communicated with the second cavity, and the first cavity is communicated with the second cavity; the two sides of the lamp box shell are respectively provided with a third cavity and a fourth cavity, one ends of the third cavity and the fourth cavity are communicated, the first cavity is communicated with the other end of the third cavity, and the second cavity is communicated with the other end of the fourth cavity; the top of the lamp bracket is provided with a radiating fin and a fan which is communicated with the space where the mercury lamp is located. The water cooling part in the integrated mercury lamp radiating structure can efficiently reduce the temperature of the inner core and the outer shell of the lamp box, and the auxiliary internal air cooling part can also rapidly cool the temperature of the mercury lamp, so that the service life of the mercury lamp is prolonged, and because the air cooling mainly plays an auxiliary role, the power is smaller compared with that of a full air cooling mode, and dust and noise pollution can be eliminated.
Description
Technical Field
The invention relates to the technical field of ultraviolet curing heat dissipation devices, in particular to a comprehensive mercury lamp heat dissipation structure.
Background
The ultraviolet curing equipment of the mercury lamp can generate a large amount of heat in the use process, and the internal fittings must be timely radiated through the radiating structure, otherwise, the normal operation of the mercury lamp can be influenced, and even the service life of the mercury lamp is seriously influenced.
The existing mercury lamp heat dissipation structure usually adopts a pure air cooling or pure water cooling mode. The pure air cooling mode is adopted, the cost is lower, but the noise and dust pollution are larger, and the temperatures of the lamp box and the solidified object are higher; the cooling mode of pure water cooling is adopted, the temperature of the lamp box is low, noise is avoided, dust pollution is avoided, but the water cooling mode is adopted, only the metal part of the water passing through the inner core of the lamp box can be cooled, the mercury lamp and the periphery of the mercury lamp can only be cooled by air, the efficiency is low, the service life of the mercury lamp is shortened due to long-time working at high temperature, and particularly under the condition of high power, the phenomena of deformation, bulge, breakage and the like of the mercury lamp are caused due to the fact that the heating value of the mercury lamp is large and the fluidity of the space gas around the mercury lamp is poor.
Therefore, how to improve the cooling efficiency and the service life of the mercury lamp and reduce dust and noise is an important technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a comprehensive mercury lamp heat dissipation structure which can improve the cooling efficiency of the inside of the mercury lamp, is beneficial to prolonging the service life of the mercury lamp, and can eliminate dust and noise pollution.
Based on the above, the invention provides a comprehensive mercury lamp radiating structure, which comprises a base device, a lamp box shell connected to the base device and arranged in a sealing way, and a lamp holder arranged in the lamp box shell, wherein a mercury lamp is arranged at the bottom of the lamp holder; the two sides of the lamp bracket are respectively provided with a first cavity and a second cavity along the length direction, the base device is provided with a water inlet communicated with the first end of the first cavity and a water outlet communicated with the first end of the second cavity, and the second end of the first cavity is communicated with the second end of the second cavity;
the two sides of the lamp box shell are respectively provided with a third cavity and a fourth cavity, one ends of the third cavity are communicated with each other, the first cavity is communicated with the other end of the third cavity, and the second cavity is communicated with the other end of the fourth cavity;
the top of the lamp bracket is provided with a radiating fin and a fan, and the fan is communicated with the space where the mercury lamp is located.
Preferably, the base device comprises oppositely arranged guide rails and a bottom plate connected with the guide rails, and the lamp box shell is slidably connected between the two guide rails.
Preferably, the first end of the guide rail is connected with a joint mounting plate, and the water inlet and the water outlet are both arranged on the joint mounting plate.
As a preferable scheme, the third cavity and the fourth cavity are arranged along the length direction of the lamp box shell; the lamp bracket is connected with the lamp box shell, a first pipeline and a second pipeline are arranged in the lamp box shell, the first end of the first cavity is communicated with the first end of the third cavity through the first pipeline, and the first end of the second cavity is communicated with the first end of the fourth cavity through the second pipeline.
As a preferable scheme, a water flow communicating piece is connected between the second ends at two sides of the lamp box shell, and the second end of the third cavity is communicated with the second end of the fourth cavity through the water flow communicating piece.
As a preferable scheme, the top of the lamp box shell is covered by a top cover, the length of the lamp holder is smaller than that of the lamp box shell, and a ventilation space communicated with the space where the mercury lamp is arranged is formed at the second end close to the lamp box shell.
As the preferable scheme, the first end of lamp house shell both sides is connected with the plug mounting panel, the water inlet with all install the female joint of water pipe on the delivery port, install on the plug mounting panel with two the female joint of water pipe sets up relatively the male joint of water pipe.
As the preferable scheme, be connected with the water inlet apron between plug mounting panel with the lighting fixture, two the male joint of water pipe passes through the water inlet apron respectively with first cavity with the second cavity intercommunication.
Preferably, the lamp box shell is filled with inert gas.
As a preferable scheme, the cross section of the lamp holder is arched, and the mercury lamp is arranged at the bottom of the inner arc surface of the lamp holder; the bottom of the lamp box shell is covered with a plane glass.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a comprehensive mercury lamp radiating structure, which comprises a base device, a lamp box shell connected to the base device and arranged in a sealing way, and a lamp holder arranged in the lamp box shell, wherein the bottom of the lamp holder is provided with a mercury lamp, and the lamp holder is usually made of aluminum materials, so that the infrared heat generated by the mercury lamp can be absorbed quickly. The water cooling mode is formed by respectively arranging a first cavity and a second cavity on two sides of a lamp holder along the length direction of the lamp holder, arranging a water inlet communicated with the first end of the first cavity and a water outlet communicated with the first end of the second cavity on a base device, enabling the second end of the first cavity to be communicated with the second end of the second cavity, simultaneously respectively arranging a third cavity and a fourth cavity with one communicated end on two sides of a lamp box shell, enabling the first cavity to be communicated with the other end of the third cavity and the second cavity to be communicated with the other end of the fourth cavity, and particularly enabling ice water flowing into the cooled lamp box from the water inlet to quickly reach the core area inside the lamp box to be cooled and be divided into two branches, wherein one branch flows through the first cavity and the second cavity inside the lamp holder in sequence for carrying out heat exchange on heat generated by a mercury lamp absorbed by the lamp holder, so that the periphery of the mercury lamp is cooled; the other path sequentially flows to a third cavity and a fourth cavity in the lamp box shell and is used for cooling the lamp box shell, and the two paths of hot water flows after heat exchange are converged together and finally flow into an external refrigerating system through a water outlet for further cyclic refrigeration utilization. The water cooling mode has high cooling efficiency, so that the temperature of the mercury lamp core accessory and the lamp box shell can be efficiently reduced, and the high-temperature deformation of a printed matter due to the high Wen Zaocheng of the lamp box is avoided; moreover, the purposes of high-efficiency cooling, no noise pollution, no dust pollution, low lamp box temperature and low printing stock temperature can be achieved;
simultaneously, still be provided with forced air cooling auxiliary cooling mode with water-cooling mode complex, through being equipped with fin and fan at the lighting fixture top, and fan and the space intercommunication that mercury lamp was located, from this, through the inside production airtight circulating air flow of fan at lamp house shell, this circulating air flow is on the one hand with mercury lamp direct full contact, take away the heat of mercury lamp and mercury lamp surrounding air, on the other hand still fully contact with the fin at lighting fixture back, after absorbing the heat that carries in the circulating air flow through the fin, the inside cooling water flow of lighting fixture is given in the rethread good heat conductivility fast, thereby outside the discharge lamp house, by outside refrigerating system refrigeration cycle, this forced air cooling structure does not have outside forced air cooling device, dust and noise pollution can be eliminated. Therefore, the advantages of the two cooling modes can be simultaneously brought into play through the water cooling mode and the air cooling auxiliary mode, the purposes of improving the cooling efficiency and eliminating noise and dust pollution can be achieved, the air cooling auxiliary mode is fully utilized to realize good heat dissipation on the mercury lamp, the service life of the mercury lamp is prolonged, the complementary effect is achieved, the problems that noise and dust pollution caused by independent air cooling are large, the temperature of a lamp box and a solidified object is high are avoided, the problem that the mercury lamp bulges and is damaged due to the fact that the temperature of the mercury lamp is too high due to independent water cooling is also avoided, and the cooling effect is good.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a heat dissipation structure of a comprehensive mercury lamp according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a lamp stand according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a water joint according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a water circuit in a water cooling mode according to an embodiment of the present invention;
fig. 5 is a schematic diagram of internal circulation of an air cooling mode according to an embodiment of the present invention.
Wherein, 10, the base device; 11. a water inlet; 12. a water outlet; 13. a guide rail; 14. a bottom plate; 15. a joint mounting plate; 16. a female water pipe joint; 20. a lamp box housing; 21. a third cavity; 22. a fourth cavity; 23. a water flow communicating member; 24. a plug mounting plate; 25. a water Guan Gong fitting; 26. a water inlet cover plate; 27. a slide rail; 30. a lamp holder; 31. a first cavity; 32. a second cavity; 40. a water joint; 41. a first pipeline; 42. a second pipeline; 50. a top cover; 60. a heat sink; 70. a blower; 100. the water flow circulation route of the lamp box shell; 200. a lamp holder water flow circulation route; 300. and (5) an internal air cooling circulation route.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. It should be appreciated that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance to distinguish one type of information from another.
Referring to fig. 1, a heat radiation structure of an integrated mercury lamp of the present invention is schematically shown, and referring to fig. 1 and 2, the heat radiation structure of an integrated mercury lamp of the present invention is schematically shown, and includes a base device 10, a lamp housing 20, and a lamp holder 30. Wherein, lamp house shell 20 is sealed setting and is connected on base device 10, and lighting fixture 30 installs in lamp house shell 20 inside, and mercury lamp (not shown in the figure) is installed to the bottom of lighting fixture 30, and in this embodiment, lighting fixture 30 adopts the aluminum product to make, the infrared heat that the quick absorption mercury lamp of being convenient for produced. More importantly, the two sides of the lamp holder 30 are respectively provided with a first cavity 31 and a second cavity 32 along the length direction, the base device 10 is provided with a water inlet 11 and a water outlet 12, the water inlet 11 is communicated with a first end (a left end shown in fig. 1) of the first cavity 31, the water outlet 12 is communicated with a first end (a right end shown in fig. 1) of the second cavity 32, the first cavity 31 and a second end (a right end shown in fig. 1) of the second cavity 32 are communicated, the two lamp box shells 20 are respectively provided with a third cavity 21 and a fourth cavity 22, one end of each third cavity 21 is communicated, the first cavity 31 is communicated with the other end of the third cavity 21, the second cavity 32 is communicated with the other end of the fourth cavity 22, (for example, fig. 1 and fig. 4 show specific embodiments in which the first end of the first cavity 31 is communicated with the first end of the third cavity 21, the first end of the second cavity 32 is communicated with the first end of the fourth cavity 22, and the second end of the third cavity 21 is communicated with the second end of the fourth cavity 22). Thus, as shown in fig. 4, the external water flow enters the heat dissipation structure from the water inlet 11 and then is divided into two paths, one path is the water flow circulation path 200 of the lamp holder 30, enters the first end of the first cavity 31, flows into the second end of the second cavity 32 through the second end of the first cavity 31, and then flows to the first end of the second cavity 32, in the process, the water flow exchanges heat with the lamp holder 30, heat generated by the mercury lamp absorbed by the lamp holder 30 is taken away, and the lamp holder 30 is cooled, so that the periphery of the mercury lamp is cooled; the other path is a water flow circulation path 100 of the lamp box shell 20, enters one end of the third cavity 21, flows into the second end of the fourth cavity 22 through the second end of the third cavity 21, and then flows to the first end of the fourth cavity 22, and in the process, water flow exchanges heat with the lamp box shell 20 to take away heat of the lamp box shell 20, so that the temperature of the lamp box shell 20 is reduced. The two water flows flowing out from the first end of the second cavity 32 and the first end of the fourth cavity 22 are converged together, then discharged to the outside from the water outlet 12, cooled by an external refrigeration system and used for further cyclic refrigeration utilization. Moreover, the top of the lamp holder 30 is provided with a cooling fin 60 and a fan 70, the fan 70 is communicated with the space where the mercury lamp is located, a closed circulating air flow is generated in the lamp box shell 20 through the fan 70, the circulating air flow is in direct full contact with the mercury lamp to take away heat of the mercury lamp and surrounding air of the mercury lamp, and is in full contact with the cooling fin 60 at the back of the lamp holder 30, after the heat carried in the circulating air flow is absorbed by the cooling fin 60, the cooling water flow in the lamp holder 30 is quickly transferred to the inside of the lamp holder 30 through the lamp holder 30 with good heat conducting performance, and the cooling water flow is discharged out of the lamp box, so that the surrounding environment of the mercury lamp is cooled.
The heat dissipation structure of the comprehensive mercury lamp based on the technical characteristics passes through. The water inlet 11, the first cavity 31, the second cavity 32, the third cavity 21, the fourth cavity 22 and the water outlet 12 form two water flow channels (a water flow circulation route 200 of the lamp holder 30 and a water flow circulation route 100 of the lamp box shell 20), and cold water entering from the outside continuously exchanges heat with the lamp holder 30 and the lamp box shell 20 respectively in the flowing process of the two water flow channels, so that heat on the lamp holder 30 and the lamp box shell 20 is taken away, and the effect of cooling the lamp holder 30 and the lamp box shell 20 is achieved. Because the water cooling mode has high cooling efficiency, the temperature of the mercury lamp core accessory and the lamp box shell 20 can be efficiently reduced, and the high-temperature deformation of the printed matter due to the high Wen Zaocheng of the lamp box is avoided. In addition, the advantages of water cooling can be fully exerted, and the purposes of high-efficiency cooling, no noise pollution, no dust pollution, low lamp box temperature and low printing stock temperature are achieved. Meanwhile, the air cooling structure has no external air cooling device and can eliminate dust and noise pollution by forming an internal air flow circulation channel (see an internal air cooling circulation route 300 shown in fig. 5) through the fan 70, the radiating fins 60 and the space where the mercury lamp is located. Therefore, the advantages of the two cooling modes can be simultaneously exerted by combining the water cooling mode with the air cooling auxiliary cooling mode, the purposes of improving the cooling efficiency and eliminating noise and dust pollution can be achieved, the air cooling auxiliary mode is fully utilized, good heat dissipation is realized on the mercury lamp, the service life of the mercury lamp is prolonged, the complementary effect is achieved, the problems that noise and dust pollution caused by independent air cooling are large, the lamp box and the solidified object are high in temperature are avoided, the problem that the mercury lamp bulge is damaged due to the fact that the temperature of the mercury lamp is too high due to independent water cooling is also avoided, and the good cooling effect is achieved.
It should be noted that, in the above embodiment, the first end of the first cavity 31 may also be communicated with the second end of the third cavity 21, the first end of the second cavity 32 is communicated with the first end of the fourth cavity 22, the first end of the third cavity 21 is communicated with the second end of the fourth cavity 22, and the water cooling manner of this cross communication may also achieve the above technical effects, which is not described herein again.
The oxygen existing near the mercury lamp is easy to generate ozone after being irradiated by ultraviolet rays, so that the environment is polluted, and the oxygen can also obstruct the transmission of the ultraviolet rays and weaken the curing effect of the ultraviolet rays. Because the interior of the lamp housing 20 is sealed, preferably, an inert gas, such as nitrogen, is filled in the lamp housing 20, and oxygen in the interior can be driven away after the nitrogen is filled in the lamp housing 20, on the one hand, ozone pollution is not generated due to the absence of oxygen, on the other hand, ultraviolet energy generated by the mercury lamp is more efficiently irradiated on a printing material due to the absence of obstruction of ultraviolet rays by the oxygen, and the curing effect is better. Therefore, the high-efficiency and environment-friendly water cooling heat dissipation is fully utilized, the good heat dissipation of the mercury lamp by air cooling is fully utilized, and the service life of the mercury lamp is ensured.
As a preferred scheme, the base device 10 comprises a guide rail 13 and a bottom plate 14 connected with the guide rail 13, which are oppositely arranged, the lamp box shell 20 is slidably connected between the two guide rails 13, a sliding rail 27 which is slidably matched with the guide rail 13 is arranged on the side wall of the lamp box shell 20, and the lamp box shell is matched with the guide rail 13 through the sliding rail 27, so that the lamp box shell is convenient to mount, maintain and detach.
Specifically, referring to fig. 1, the first end of the guide rail 13 is connected with a connector mounting plate 15, and the water inlet 11, the water outlet 12 and the air outlet are all arranged on the connector mounting plate 15.
As shown in fig. 3, the third cavity 21 and the fourth cavity 22 are arranged along the length direction of the lamp housing 20, a water joint 40 is connected between the lamp holder 30 and the lamp housing 20, a first pipeline 41 and a second pipeline 42 are arranged in the water joint 40, a first end of the first cavity 31 is communicated with a first end of the third cavity 21 through the first pipeline 41, and a first end of the second cavity 32 is communicated with a first end of the fourth cavity 22 through the second pipeline 42. Further, a water flow communicating member 23 is connected between the second ends of the two sides of the lamp housing 20, and the second end of the third cavity 21 is communicated with the second end of the fourth cavity 22 through the water flow communicating member 23. Thus, after entering from the water inlet 11, the external water flows into the first end of the first cavity 31, wherein a part of water flows into the first end of the third cavity 21 through the first pipeline 41, flows into the second end of the fourth cavity 22 from the second end of the third cavity 21 through the water flow communicating member 23, flows into the first end of the fourth cavity 22, and finally flows into the second cavity 32 from the second pipeline 42, so as to cool the lamp box housing 20. The other part of water flows from the first end of the first cavity 31 to the second end of the first cavity 31, enters the second cavity 32 from the second end of the first cavity 31, cools the lamp holder 30, merges the two parts of water flows at the first end of the second cavity 32, and finally is discharged from the water outlet 12.
Preferably, the top of the lamp housing 20 is covered by the top cover 50, the length of the lamp holder 30 is smaller than the length of the lamp housing 20, and a ventilation space communicated with the space where the mercury lamp is located is formed near the second end of the lamp housing 20, the ventilation space is located between the second end of the lamp housing 20 and the second end of the lamp holder 30, as shown in fig. 5, the integrated mercury lamp heat dissipation structure fan 70 generates a closed circulation air flow inside the lamp housing 20, the flowing air flow enters the ventilation space near the second end of the lamp housing 20, and because the space where the mercury lamp is located is communicated with the ventilation space, the internal air flow flows into the space where the mercury lamp is located, and directly exchanges heat with the surrounding environment of the mercury lamp, the cooling of the mercury lamp is carried out, the gas after the circulation temperature rise is contacted with the cooling fin 60, after the heat carried in the circulating air flow is absorbed by the cooling fin 60, the cooling water flow inside the lamp holder 30 is rapidly transferred to the lamp holder 30 through the lamp holder 30 with good heat conducting property, so that the cooling water is discharged out of the lamp box and is recycled by an external refrigeration system, the circulation channel of the gas almost penetrates through the whole comprehensive cooling structure of the mercury lamp, the cooling of the mercury lamp can be carried out by utilizing an air cooling mode to the greatest extent, the cooling effect is improved, the mercury lamp is prevented from working at an excessively high temperature for a long time, the service life of the mercury lamp is prolonged, and the air cooling structure has no external air cooling device, so that dust and noise pollution can be eliminated.
More specifically, the first ends of the two sides of the light box housing 20 are connected with plug mounting plates 24, the water inlet 11 and the water outlet 12 are provided with water pipe female connectors 16, and the plug mounting plates 24 are provided with water pipe male connectors 25 which are arranged opposite to the two water pipe female connectors 16. Further preferably, the female water pipe connector 16 and the male water pipe connector 25 are self-sealing quick connectors, when the automatic water pipe connector is used, the male water pipe connector 25 is inserted onto the female water pipe connector 16, water flow can be automatically communicated, once the male water pipe connector 25 is separated from the female water pipe connector 16, the male water pipe connector 25 and the female water pipe connector 16 are respectively and automatically sealed, water flow is avoided, and therefore switching efficiency is improved.
Further preferably, a water inlet cover plate 26 is connected between the mounting plate and the lamp holder 30, and the two water pipe male connectors 25 are respectively communicated with the first cavity 31 and the second cavity 32 through the water inlet cover plate 26, and meanwhile, the water inlet cover plate 26 can also prevent water in the first cavity 31 and the second cavity 32 from leaking from between the lamp holder 30 and the plug mounting plate 24, so that tight communication is realized.
As a preferred embodiment, the cross section of the lamp holder 30 in the above embodiment is in an arch shape, and the mercury lamp is mounted at the bottom of the inner arc surface of the lamp holder 30, so that most of the ultraviolet light emitted by the mercury lamp is focused by the reflection of the arc surface to form the ultraviolet light with high energy density, and irradiates the printing material for rapid curing. The bottom of the lamp box shell 20 is covered with a plane glass (which is blocked in the figure) for packaging the bottom of the lamp box shell 20 and for placing the printing stock, so as to realize the solidification of the printing stock.
It should also be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In summary, the integrated mercury lamp heat dissipation structure provided by the invention forms two water flow channels through the water inlet 11, the first cavity 31, the second cavity 32, the third cavity 21, the fourth cavity 22 and the water outlet 12, and continuously exchanges heat with the lamp holder 30 and the lamp box shell 20 respectively, so as to achieve the effect of cooling the lamp holder 30 and the lamp box shell 20, meanwhile, a closed circulating air flow is generated in the lamp box shell 20 through the fan 70, the mercury lamp is directly cooled, heat is transferred to the lamp holder 30 through the cooling fin 60, and then the heat is transferred out through the water cooling carrier, so that the cooling effect on the mercury lamp is good, the two cooling modes are matched for use, the purposes of high-efficiency cooling, no noise pollution, no dust pollution, low lamp box temperature and low printing material temperature can be achieved, and the problem that the cooling effect of the mercury lamp is poor due to the independent use of the water cooling mode can be avoided.
The method and the device which are not described in detail in the invention are all the prior art and are not described in detail.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (8)
1. The integrated mercury lamp radiating structure is characterized by comprising a base device, a lamp box shell connected to the base device and arranged in a sealing manner, and a lamp holder arranged in the lamp box shell, wherein a mercury lamp is arranged at the bottom of the lamp holder; the two sides of the lamp bracket are respectively provided with a first cavity and a second cavity along the length direction, the base device is provided with a water inlet communicated with the first end of the first cavity and a water outlet communicated with the first end of the second cavity, and the second end of the first cavity is communicated with the second end of the second cavity;
the two sides of the lamp box shell are respectively provided with a third cavity and a fourth cavity, one ends of the third cavity are communicated with each other, the first cavity is communicated with the other end of the third cavity, and the second cavity is communicated with the other end of the fourth cavity; the third cavity and the fourth cavity are arranged along the length direction of the lamp box shell; a water joint is connected between the lamp holder and the lamp box shell, a first pipeline and a second pipeline are arranged in the water joint, the first end of the first cavity is communicated with the first end of the third cavity through the first pipeline, and the first end of the second cavity is communicated with the first end of the fourth cavity through the second pipeline;
the top of the lamp bracket is provided with a radiating fin and a fan, and the fan is communicated with a space where the mercury lamp is positioned;
the base device comprises oppositely arranged guide rails and a bottom plate connected with the guide rails, and the lamp box shell is connected between the two guide rails in a sliding mode.
2. The integrated mercury lamp heat dissipating structure of claim 1, wherein the first end of the guide rail is connected to a connector mounting plate, and the water inlet and the water outlet are both disposed on the connector mounting plate.
3. The integrated mercury lamp heat radiation structure of claim 1, wherein a water flow communicating member is connected between the second ends of the two sides of the lamp housing, and the second end of the third cavity is communicated with the second end of the fourth cavity through the water flow communicating member.
4. The integrated mercury lamp heat dissipating structure of claim 1, wherein the top of the lamp housing is covered by a top cover, the length of the lamp holder is smaller than the length of the lamp housing, and a ventilation space communicating with the space where the mercury lamp is located is formed near the second end of the lamp housing.
5. The integrated mercury lamp radiating structure according to claim 2, wherein first ends on two sides of the lamp box shell are connected with plug mounting plates, water pipe female connectors are mounted on the water inlet and the water outlet, and water pipe male connectors which are arranged opposite to the two water pipe female connectors are mounted on the plug mounting plates.
6. The integrated mercury lamp heat radiation structure according to claim 5, wherein a water inlet cover plate is connected between the plug mounting plate and the lamp holder, and the two water pipe male connectors are respectively communicated with the first cavity and the second cavity through the water inlet cover plate.
7. The integrated mercury lamp heat dissipating structure of any one of claims 1 to 6, wherein the lamp housing is filled with an inert gas.
8. The integrated mercury lamp heat radiation structure according to any one of claims 1 to 6, wherein the cross section of the lamp holder is arched, and the mercury lamp is mounted at the bottom of the inner arc surface of the lamp holder; the bottom of the lamp box shell is covered with a plane glass.
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| JPH06260700A (en) * | 1993-03-02 | 1994-09-16 | Mitsubishi Electric Corp | Cooler for laser oscillator |
| CN205807351U (en) * | 2016-05-27 | 2016-12-14 | 深圳市九州星河科技有限公司 | UVLED curing light source water-cooling heat radiating system |
| CN109798464A (en) * | 2019-02-01 | 2019-05-24 | 刘华 | A kind of interchange structure of LED light and mercury lamp |
| CN209804592U (en) * | 2019-06-11 | 2019-12-17 | 广州速普软件科技有限公司 | Comprehensive mercury lamp heat radiation structure |
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2019
- 2019-06-11 CN CN201910509727.5A patent/CN110223906B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06260700A (en) * | 1993-03-02 | 1994-09-16 | Mitsubishi Electric Corp | Cooler for laser oscillator |
| CN205807351U (en) * | 2016-05-27 | 2016-12-14 | 深圳市九州星河科技有限公司 | UVLED curing light source water-cooling heat radiating system |
| CN109798464A (en) * | 2019-02-01 | 2019-05-24 | 刘华 | A kind of interchange structure of LED light and mercury lamp |
| CN209804592U (en) * | 2019-06-11 | 2019-12-17 | 广州速普软件科技有限公司 | Comprehensive mercury lamp heat radiation structure |
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| CN110223906A (en) | 2019-09-10 |
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