CN105090880A - Emergency lighting fluorescent lamp and manufacturing method thereof - Google Patents
Emergency lighting fluorescent lamp and manufacturing method thereof Download PDFInfo
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- CN105090880A CN105090880A CN201410221933.3A CN201410221933A CN105090880A CN 105090880 A CN105090880 A CN 105090880A CN 201410221933 A CN201410221933 A CN 201410221933A CN 105090880 A CN105090880 A CN 105090880A
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- solder mask
- fluorescent lamp
- emergency lighting
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention provides an emergency lighting fluorescent lamp and a manufacturing method thereof. The fluorescent lamp comprises a lampholder body and a light emitting cover. The lampholder body is of a hollow structure with two open ends, and a printing plate is fixedly arranged on the surface of the outer side of the lampholder body, wherein a luminophor is welded to the printing plate. The light emitting cover is connected with the lampholder body and wraps the printing plate. The printing plate is provided with a printing plate base material layer, a copper-clad layer and a welding resisting layer. The welding resisting layer is located on the inner side, facing the light emitting cover, of the printing plate, and raw materials of the welding resisting layer comprise, by weight, 4-8 parts of noctilucent powder, 20-30 parts of printing hardening agents and 65-75 parts of welding resisting ink. According to the emergency lighting fluorescent lamp, the noctilucent powder is added to the welding resisting layer of the printing plate of the fluorescent lamp so that emergency lighting can be provided through brightness of the noctilucent powder when an external power source of the lamp stops power supply.
Description
Technical field
The present invention relates to a kind of fluorescent lamp, particularly relate to a kind of emergency lighting fluorescent lamp and manufacture method thereof.
Background technology
In prior art, Emergency daylight lamp mainly realizes Emergency Light effect by emergency power supply emergency service under powering-off state.Emergence lighting lamp is made up of a few parts such as light source, light source drive, rectifier, inverter, battery pack, sign lamp shells.At ordinary times, civil power 220V passes through light source drive, driving light source normal illumination, carry out electric energy by rectifier to battery pack to supplement simultaneously, even if when turning off illumination after work, rectifier is still operated in charged state, to make battery pack be in full combat readiness all the time.When running into emergency, when civil power stops suddenly, inverter will start inverter circuit automatically, and the low-voltage electric energy of battery pack is converted to high voltage electric energy, and driving light source continues illumination.
Emergency luminaire will provide illumination at ordinary times as ordinary lamp and lantern, when being in an emergency, as earthquake, to catch fire or fault causes power supply to interrupt suddenly, all light sources quit work all, now, it must provide reliable illumination immediately, and the position of the direction indicating the stream of people to evacuate and emergency exit.
And above-mentioned emergency light needs other auxiliary accessories, as inverter, battery pack etc., and in prior art, also there is not the briliancy utilizing luminescent powder, in case of emergency realize illumination.So, provide a kind of fluorescent lamp utilizing the briliancy of luminescent powder to realize emergency illumination to be those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of emergency lighting fluorescent lamp and manufacture method thereof, for solving in prior art the problem not having and utilize luminescent powder to realize light fixture Emergency Light.
For achieving the above object and other relevant objects, the invention provides a kind of emergency lighting fluorescent lamp, comprising: lamp holder body, the hollow structure in both ends open, described lamp holder body outer surface is fixedly installed the printed panel of welding illuminator; Go out light shield, be connected with described lamp holder body and contain described printed panel, described printed panel has printed panel substrate layer, copper clad layers and solder mask, described solder mask be positioned at described printed panel near described in go out the side of light shield, described solder mask by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts.
Preferably, the raw material of described solder mask by weight: comprise the luminescent powder of 5 parts, printed vulcanized dose of 25 parts and the solder mask of 70 parts.
Preferably, described lamp holder body is provided with fitting portion at the edge of described printed panel width, described in go out light shield and be embedded in described fitting portion.
Preferably, the cross section going out light shield described in is major arc shape.
Preferably, the outline of described lamp holder body is minor arc shape, described lamp holder body and described go out light shield form circular cavity structure.
Preferably, described fitting portion comprises the first embeded slot of outward opening and inside the second embeded slot of opening, and described printed panel is connected in described second embeded slot, described in go out light shield and embed described first embeded slot and be connected with described lamp holder body.
The present invention also comprises a kind of method manufacturing described emergency lighting fluorescent lamp, comprise the steps: 1) in the solder mask of printed panel, add luminescent powder, the raw material of described solder mask by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts; 2) on described printed panel, illuminator is welded, 3) described printed panel to be fixedly installed in hollow structure and in the lamp holder body of both ends open; 4) by described go out light shield contain described printed panel.
Preferably, described step 1) be further: in the solder mask of printed panel, add luminescent powder, the raw material of described solder mask by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts; The luminescent powder of described weight portion, printed vulcanized dose and solder mask are mixed and stir, then carries out serigraphy, preliminary drying, exposure, development.
Preferably, the raw material of described solder mask by weight: comprise the luminescent powder of 5 parts, printed vulcanized dose of 25 parts and the solder mask of 70 parts.
Preferably, described preliminary drying is further: the heat-wind circulate drying carrying out 40 ~ 50min after serigraphy in the baking oven of 75 ± 2 DEG C.
The contrast effect of emergency lighting fluorescent lamp provided by the invention and common LED fluorescent lamp emergency lighting briliancy when power outage is as shown in the table:
| Type | Emergency lighting briliancy |
| Common LED fluorescent lamp | 0cd/m 2 |
| The present invention | 1.5～2cd/m 2 |
As mentioned above, the emergency lighting fluorescent lamp that theres is provided of the present invention and manufacture method thereof, there is following beneficial effect: emergency lighting fluorescent lamp provided by the invention utilizes and adds luminescent powder at daylight lamp fixture printed panel solder mask, make when light fixture external power supply is stopped power supply, the illumination that the briliancy of described luminescent powder provides emergent can be utilized, illumination briliancy can to 1.5 ~ 2cd/m2, and traditional fluorescent lamp product, under dark situations, the briliancy self sent is almost 0, in public places, fluorescent lamp printed panel is changed to the printed panel can sending out noctilucence, after a loss of power, reach the effect of floor light and early warning, realize the function that dredging is guided, avoid dangerous generation.
Accompanying drawing explanation
Fig. 1 is shown as cross-sectional schematic of the present invention.
Fig. 2 is shown as A place of the present invention partial enlarged drawing.
Fig. 3 is shown as assembling schematic diagram of the present invention.
Piece mark explanation
1 goes out light shield
2 lamp holder body
21 first embeded slots
22 second embeded slots
3 printed panels
31 solder masks
32 copper clad layers
33 printed panel substrate layers
5 illuminators
6 lamp holders
7 driving powers
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 3.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Refer to Fig. 1, the invention provides a kind of emergency lighting fluorescent lamp, comprising: lamp holder body 2, the hollow structure in both ends open, lamp holder body 2 outer surface is fixedly installed the printed panel 3 comprising illuminator 5; Go out light shield 1, be connected with lamp holder body 2 and contain printed panel 3.Solder mask 31 in printed panel 3 is added with luminescent powder.
Refer to Fig. 2, the radiator that lamp holder body 2 is formed in one, described radiator is that thermally conductive materials is made, the hollow structure of lamp holder body 2 in both ends open, in described hollow structure, be placed with driving power 7, driving power 7 is electrically connected illuminator 5, and illuminator 5 is LED module.Lamp holder body 2 edge is in the width direction provided with fitting portion, fitting portion is symmetrical arranged along described lamp holder body 2 width, described fitting portion comprises the first embeded slot 21 of outward opening and inside the second embeded slot 22 of opening, printed panel 3 snap-fits in the second embeded slot 22, and described printed panel 3 can also be fixedly connected with described lamp holder body 2 by modes such as being spirally connected, riveting, be bonding.Existing printed panel mainly divides metal material and nonmetallic materials, and as aluminium base belongs to the printed panel of metal base, epoxy plate belongs to the printed panel of nonmetallic materials.Described printed panel 3 has printed panel substrate layer 33, copper clad layers 32 and solder mask 31, and (accompanying drawing 2 is shown as the printed panel of non-metallic substrate, the printed panel of metal material is provided with insulating barrier between copper clad layers and printed panel substrate layer), described solder mask 31 be positioned at described printed panel 3 towards described go out the side of light shield 1 cavity.The raw material of described solder mask is by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts.Particularly, described solder mask 31 comprises the solder mask of the luminescent powder of 5 parts, 25 parts printed vulcanized dose and 70 parts by weight component.By the weight proportion of this raw material, can ensure that the characteristic of original solder mask can not change, there will not be bubble, variable color, drop etc. and be bad.
Described go out light shield 1 for cross section be the diffuser of major arc, described major arc is 2/3 circular arc, its arcuate end sticks into the first embeded slot 21 of described lamp holder body 2, realizes out the connection of light shield 1 and described lamp holder body 2, particularly, described go out light shield 1 there is better plasticity, be beneficial in installation process and stick into the first embeded slot 21, before installation, described in go out light shield 1 there is inside clamping force, ensure good clamping, described in realization, go out the connection of light shield 1 and described lamp holder body 2.Particularly, not by described go out the outline of lamp holder body 2 that contains of light shield 1 be minor arc shape, described minor arc is 1/3 circular arc adapting to described major arc, the arc going out light shield 1 that the outline exposed is lamp holder body 2 and the cross section of minor arc is major arc is connected for full circle, makes the rounded structure of whole light fixture outline.
Refer to Fig. 3, should anxious illumination fluorescent lamp also comprise in order to close described lamp holder body 2 and to go out the lamp holder 6 at two ends of light shield 1, be provided with Plug Division outside described lamp holder 6, described Plug Division is in order to connect external power source.Be provided with driving power 7 in described radiator cavity, described driving power 7 connects described Plug Division and illuminator 5.
Described printed panel 3, in order to the layout of the installation carrier and described illuminator 5 associated driver circuitry that provide described illuminator 5, further, will be added with the ink raw materials silk-screen of luminescent powder in the solder mask 31 of described printed panel 3.Add Noctilucent material inside described printed panel 3 solder mask 31 ink, process according to the typography of printed panel 3 solder mask 31, allow Noctilucent material and printed panel 3 unite two into one and realize luminous effect.
Described printed panel 3 solder mask 31 includes luminescent powder, when external power supply is stopped power supply, and should the illumination that the briliancy of described luminescent powder can be utilized to provide emergent of anxious illumination fluorescent lamp, in some specific occasions, as pitch-dark corridor, play emergent illuminating effect, avoid dangerous generation.
Should the manufacture method of anxious illumination fluorescent lamp as follows:
In the solder mask of printed panel, add luminescent powder, the raw material of described solder mask by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts; 2) illuminator is welded on the printed board, 3) described printed panel to be fixedly installed in hollow structure and in the lamp holder body of both ends open; 4) by described go out light shield contain described printed panel, the light that described illuminator is sent from described go out light shield through.
Described step 1) comprise further: solder mask, printed vulcanized dose and luminescent powder are mixed and the pretreatment procedure stirred; And carry out the postprocessing working procedures of serigraphy, preliminary drying, exposure, development.
Luminescent powder in described pretreatment procedure, printed vulcanized dose and solder mask ratio are by weight 0.5:2.5:7.
Described preliminary drying is further: the heat-wind circulate drying carrying out 40 ~ 50min after serigraphy in the baking oven of 75 ± 2 DEG C.This temperature is and the time period, is the environmental condition that solder mask solidify to form.
Wherein,
Solder mask manufacture craft carries out following operation successively:
Raw material metering/allotment, mixing, grinding, viscosity adjustment, check/test, filter, packaging.
Printed panel fabrication processing carries out following operation successively:
Blanking, boring, print wet film, photoimaging, etch, move back film, print welding resistance, welding resistance imaging, lettering symbol, solidification, hot air leveling, milling flat, examine eventually, pack.
Print welding resistance flow process carries out following operation successively:
Pre-treatment, serigraphy, preliminary drying, exposure, development, inspection, rear baking; Wherein pretreatment procedure comprise by ink, printed vulcanized dose, luminescent powder proportionally mixes.
Solder mask is mainly main body, filler, colouring agent and additive.During printing, need and printed vulcanized dose used in combination, conventional solder mask and printed vulcanized dose of ratio are 7:3.Luminescent powder is printed as additive and ink, together with printed vulcanized dose.Proportions is roughly 0.5:7:2.5.
Described printed panel 3 mainly contains printed panel substrate layer 33, copper clad layers 32 and solder mask 31 3 part composition.
After the operation of printed panel 3 pre-treatment completes, carry out solder mask 31 and print, be that the luminescent powder of 5 parts and 25 parts printed vulcanized dose add to inside the solder mask of 70 parts by weight portion, stir, print with 90 to 130 object screen printing net plates.In the baking oven of 75 ± 2 DEG C, the heat-wind circulate drying of 40 to 50min is carried out after even print.Carry out again exposing, develop and the post processing such as rear baking.The printed panel 3 according to said method made, after enough absorbing time, under dark situations, can send the light of certain briliancy.
In sum, emergency lighting fluorescent lamp provided by the invention utilizes and adds luminescent powder at daylight lamp fixture printed panel solder mask, make when light fixture external power supply is stopped power supply, the illumination that the briliancy of described luminescent powder provides emergent can be utilized, in public places, fluorescent lamp printed panel is changed to the printed panel can sending out noctilucence, after a loss of power, reach the effect of floor light and early warning, realize the function that dredging is guided, avoid dangerous generation.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Following table is the performance comparison tables of data of different embodiments of the invention and common LED fluorescent lamp:
As can be seen from the above table: in the pulp furnish of solder mask, the emergency lighting briliancy of the solder mask institute proportioning of the luminescent powder of 5 parts, printed vulcanized dose of 25 parts and 70 parts is the highest, and effect is best.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. an emergency lighting fluorescent lamp, is characterized in that, comprising:
Lamp holder body, the hollow structure in both ends open, described lamp holder body outer surface is fixedly installed the printed panel of welding illuminator;
Go out light shield, be connected with described lamp holder body and contain described printed panel, described printed panel has printed panel substrate layer, copper clad layers and solder mask, described solder mask be positioned at described printed panel near described in go out the side of light shield, the raw material of described solder mask by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts.
2. emergency lighting fluorescent lamp according to claim 1, is characterized in that: the raw material of described solder mask by weight: comprise the luminescent powder of 5 parts, printed vulcanized dose of 25 parts and the solder mask of 70 parts.
3. emergency lighting fluorescent lamp according to claim 1, is characterized in that: described lamp holder body is provided with fitting portion at the edge of described printed panel width, described in go out light shield and be embedded in described fitting portion.
4. emergency lighting fluorescent lamp according to claim 1, is characterized in that: described in go out light shield cross section be major arc shape.
5. emergency lighting fluorescent lamp according to claim 4, is characterized in that: the outline of described lamp holder body is minor arc shape, described lamp holder body and described go out light shield form circular cavity structure.
6. emergency lighting fluorescent lamp according to claim 3, it is characterized in that: described fitting portion comprises the first embeded slot of outward opening and inside the second embeded slot of opening, described printed panel is connected in described second embeded slot, described in go out light shield embed described first embeded slot be connected with described lamp holder body.
7. one kind manufactures the method for the emergency lighting fluorescent lamp according to any one of claim 1 to 6, it is characterized in that, comprise the steps: 1) in the solder mask of printed panel, add luminescent powder, the raw material of described solder mask by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts; 2) on described printed panel, illuminator is welded, 3) described printed panel to be fixedly installed in hollow structure and in the lamp holder body of both ends open; 4) by described go out light shield contain described printed panel.
8. the manufacture method of emergency lighting fluorescent lamp according to claim 7, it is characterized in that: described step 1) be further: in the solder mask of printed panel, add luminescent powder, the raw material of described solder mask by weight: comprise the luminescent powder of 4 ~ 8 parts, printed vulcanized dose of 20 ~ 30 parts and the solder mask of 65 ~ 75 parts; The luminescent powder of described weight portion, printed vulcanized dose and solder mask are mixed and stir, then carries out serigraphy, preliminary drying, exposure, development.
9. the manufacture method of emergency lighting fluorescent lamp according to claim 8, is characterized in that: the raw material of described solder mask by weight: comprise the luminescent powder of 5 parts, printed vulcanized dose of 25 parts and the solder mask of 70 parts.
10. the manufacture method of emergency lighting fluorescent lamp according to claim 8, is characterized in that: described preliminary drying is further: the heat-wind circulate drying carrying out 40 ~ 50min after serigraphy in the baking oven of 75 ± 2 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221933.3A CN105090880B (en) | 2014-05-23 | 2014-05-23 | emergency lighting fluorescent lamp and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221933.3A CN105090880B (en) | 2014-05-23 | 2014-05-23 | emergency lighting fluorescent lamp and its manufacturing method |
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| CN105090880A true CN105090880A (en) | 2015-11-25 |
| CN105090880B CN105090880B (en) | 2018-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152235A (en) * | 2018-10-09 | 2019-01-04 | 珠海杰赛科技有限公司 | A kind of printing method of circuit board |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0856871A1 (en) * | 1997-01-29 | 1998-08-05 | Nec Corporation | Fluorescent lamp |
| CN201097470Y (en) * | 2007-11-05 | 2008-08-06 | 卢镇昌 | An emergent lamp |
| CN201252088Y (en) * | 2008-07-23 | 2009-06-03 | 冠利运光能股份有限公司 | Improved illuminating part |
| CN101534612A (en) * | 2009-04-10 | 2009-09-16 | 深圳市博敏电子有限公司 | Resistance welding superposition technology for PCB thick copper lines |
| CN101635489A (en) * | 2009-04-23 | 2010-01-27 | 杭州新三联电子有限公司 | Technology for producing commutator plate of rigid double-face vibration motor |
| CN201448617U (en) * | 2009-08-11 | 2010-05-05 | 伏浩然 | Energy-saving LED lamp and indication board with same |
| CN101975345A (en) * | 2010-10-28 | 2011-02-16 | 鸿富锦精密工业（深圳）有限公司 | LED (Light Emitting Diode) fluorescent lamp |
| CN201869432U (en) * | 2010-10-12 | 2011-06-15 | 王定锋 | Circuit board with die cut line |
| CN103547081A (en) * | 2012-07-10 | 2014-01-29 | 深南电路有限公司 | Ultra-thick copper coil circuit board resistance welding method, system and circuit board |
-
2014
- 2014-05-23 CN CN201410221933.3A patent/CN105090880B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0856871A1 (en) * | 1997-01-29 | 1998-08-05 | Nec Corporation | Fluorescent lamp |
| CN201097470Y (en) * | 2007-11-05 | 2008-08-06 | 卢镇昌 | An emergent lamp |
| CN201252088Y (en) * | 2008-07-23 | 2009-06-03 | 冠利运光能股份有限公司 | Improved illuminating part |
| CN101534612A (en) * | 2009-04-10 | 2009-09-16 | 深圳市博敏电子有限公司 | Resistance welding superposition technology for PCB thick copper lines |
| CN101635489A (en) * | 2009-04-23 | 2010-01-27 | 杭州新三联电子有限公司 | Technology for producing commutator plate of rigid double-face vibration motor |
| CN201448617U (en) * | 2009-08-11 | 2010-05-05 | 伏浩然 | Energy-saving LED lamp and indication board with same |
| CN201869432U (en) * | 2010-10-12 | 2011-06-15 | 王定锋 | Circuit board with die cut line |
| CN101975345A (en) * | 2010-10-28 | 2011-02-16 | 鸿富锦精密工业（深圳）有限公司 | LED (Light Emitting Diode) fluorescent lamp |
| CN103547081A (en) * | 2012-07-10 | 2014-01-29 | 深南电路有限公司 | Ultra-thick copper coil circuit board resistance welding method, system and circuit board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152235A (en) * | 2018-10-09 | 2019-01-04 | 珠海杰赛科技有限公司 | A kind of printing method of circuit board |
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| CN105090880B (en) | 2018-07-31 |
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