CN107940265A - A kind of encapsulation technique of anti-explosion LED fluorescent tube - Google Patents
A kind of encapsulation technique of anti-explosion LED fluorescent tube Download PDFInfo
- Publication number
- CN107940265A CN107940265A CN201711120830.8A CN201711120830A CN107940265A CN 107940265 A CN107940265 A CN 107940265A CN 201711120830 A CN201711120830 A CN 201711120830A CN 107940265 A CN107940265 A CN 107940265A
- Authority
- CN
- China
- Prior art keywords
- encapsulation
- conducting wire
- annular seal
- explosion
- seal space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
- F21K9/275—Details of bases or housings, i.e. the parts between the light-generating element and the end caps; Arrangement of components within bases or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses a kind of encapsulation technique of anti-explosion LED fluorescent tube, include the following steps:S31, related tool:Contain the container, stirring wooden stick, electronic scale of resin;S32, technological preparation:It will treat that insulated conductor surface, encapsulation partition plate and explosion-proof plug surface at encapsulation are wiped clean with acetone;S41, penetrate conducting wire in encapsulation partition plate, then conducting wire and encapsulation partition plate are penetrated in the second annular seal space, then mixes up lead location, is fixed with clay, and conducting wire will be uniformly distributed as far as possible;S421, according to proportioning, resin is contained into container, is proportionally added into plasticizer, catalyst wooden stick stirs more than 5 minutes;S422, according to formula rate add curing agent, stirs 1 minute or so again;S43, encapsulating, the resin encapsulation agent mixed up is poured into the first annular seal space and the second annular seal space that need encapsulation, must not be overflowed, and is kept flat, and not rocked, and then it is cured above to place 30min for room temperature;S44, arrangement, after encapsulation cures, auxiliary member is removed, and is arranged conducting wire, is bundled into harness.
Description
Technical field
The present invention relates to a kind of explosion-proof lamp, more particularly to a kind of anti-explosion LED fluorescent tube and its assembly technology.
Background technology
In field of light fittings, fluorescent tube uses widely, and cannot but meet user's ring in explosion-proof lamp field, common fluorescent tube
Various use conditions on border, the technology of anti-explosion LED fluorescent tube will solve this series of problems.Anti-explosion LED fluorescent tube and explosion-proof lamp
Operation principle is identical, it lights explosive mixture such as explosive atmosphere, methane gas etc. around and takes in order to prevent
The lamps and lanterns of various certain measures.Anti-explosion LED fluorescent tube can directly substitute common fluorescent tube and be matched with housing, be not required to coordinate ballast
Device, is widely used in the place such as the hazardous environments such as oil exploitation, oil refining, chemical industry, military project and offshore platform, oil tanker and makees at a distance
Illumination is thrown to be used.
Commercially there are two kinds of fluorescent tubes at present, one kind is common fluorescent fluorescent tube, and one kind is common LED fluorescent tube.
The operation principle of common fluorescent tube is:Fluorescent tube is to lean on the ultraviolet deexcitation fluorescent tube radiated during mercury vapor discharge
Material in wall is allowed to send visible ray.Fluorescent tube must be matched with the ballast and starter of dimension, otherwise can be contracted
Short life and cause difficulty in starting.
Common LED fluorescent tube can supplement the deficiency of fluorescent tube to a certain extent, it is not necessary to ballast, but be unsatisfactory for quick-fried
, after explosion-proof test is finished, there is the phenomenon of fried broken lamp tube main body, so is installed in explosion environment to go out in the use of fried environment
Existing huge security risk.
Although the note in entitled " a kind of anti-explosion LED fluorescent tube and its gluing and encapsulation technique " applied on the same day with this case
The anti-explosion LED fluorescent tube to solve the above problems is loaded with, although it is applicant's understanding that above-mentioned anti-explosion LED fluorescent tube solves
Current technical problems to be solved, but it is merely resting on structured design phase, and its assembly technology be also can with it is straight
Connecing influences its performance.Therefore it is applicant's understanding that it is necessary to design a kind of encapsulation technique of anti-explosion LED fluorescent tube, its basis
The design feature and use environment of above-mentioned anti-explosion LED fluorescent tube are designed, to ensure that it can reach expected technology effect
Fruit and corresponding standard (such as national standard).
The content of the invention
In view of the drawbacks described above of the prior art, it is glimmering that the technical problems to be solved by the invention are to provide a kind of anti-explosion LED
Light lamp tube.
The invention also discloses the encapsulation technique applied to above-mentioned anti-explosion LED fluorescent tube.
To achieve the above object, the present invention provides a kind of encapsulation technique of anti-explosion LED fluorescent tube, it is anti-explosion LED
A part in the assembly technology of fluorescent tube, including, first annular seal space, the resin encapsulation technique of the second annular seal space are described
Resin encapsulation technique, includes the following steps:
S1, pour closure material
J2196 unsaturations resin, plasticizer, curing agent, catalyst, LYMFB-1 isolating seals clay, acetone, 502 glue;
S2, formula
The method and steps of S3, encapsulation
S31, related tool:Contain the container, stirring wooden stick, electronic scale of resin;
S32, technological preparation:It will treat that insulated conductor surface, encapsulation partition plate and explosion-proof plug surface at encapsulation are dried with acetone
Only;
S4, technical process
S41, penetrate conducting wire in encapsulation partition plate, then conducting wire and encapsulation partition plate are penetrated in the second annular seal space, then mixes up
Lead location, is fixed with clay, and conducting wire will be uniformly distributed as far as possible, and conducting wire should be vertical in conducting wire hole site, and conducting wire cannot be twined mutually
It has been be wound on that, fixing piece can be borrowed if necessary and be fixed;
S42, allotment resin
S421, the proportioning in S3, resin is contained into container, is proportionally added into plasticizer, catalyst wooden stick stirring 5
More than minute, stir evenly rear stand-by;
S422, according to formula rate add curing agent, stirs 1 minute or so again, is allowed to uniformly carry out encapsulating;
S43, encapsulating, the resin encapsulation agent mixed up is poured into the first annular seal space and the second annular seal space that need encapsulation, must not
Overflow, and keep flat, not rock, then it is cured above to place 30min for room temperature;
S44, arrangement, after encapsulation cures, auxiliary member is removed, and is arranged conducting wire, is bundled into harness.
As a further improvement on the present invention, the curing agent is potassium peroxide second acetone, and the plasticizer is
DEHP, the catalyst are dibutyl tin laurate.
As a further improvement on the present invention, J2196 unsaturations resin should meet to require:
As a further improvement on the present invention, it is further comprising the steps of:
S6 encapsulations points for attention and detection
S61 points for attention
Before S611, operation, the hand of encapsulation personnel should be clean and wears cleaning gloves;
S612, had to after being cleaned with acetone by the component of encapsulation before encapsulation, must not place for a long time;
S613, insulated conductor penetrate partition plate, after mixing up position, with hand by clay 910 and twisted conductor pressure, are allowed to closely viscous
Close;
S614, resin glue will strictly press above-mentioned allotment, and stir fully, must not reverse the right order, and standing time must not surpass
Cross 25min;
S615, should ensure that between conducting wire there is glue completely, and ensure that conducting wire is straight in glue;
It should ensure that encapsulation partition plate is pressed onto bottom and smooth when S616, sealing, encapsulation thickness is not less than 20mm;
S62, the second annular seal space have anti-pull-off structure;
S63, when threading not appropriate to the occasion enough the multiple wire guides of number in a wire guide, and should be uniformly distributed;
The intensity being honored as a queen is poured in S64, consideration, must not use direct tapping mode for split conductor wire guide, should there is screw thread
Bushing or corresponding positioning convex platform are used for the encapsulation bulkhead sides for being positioned over leakproof and positioning;
S62, detection
S621, by the explosion-proof plug after curing carry out insulation resistance and voltage-withstand test, it is desirable between every line, every line and encapsulating
Insulation resistance between seat answers >=5M Ω;Pressure voltage is not less than 2500V;
S622, do the water pressure test by the regulation of GB3836.2 after hardening, imposes 1.5MPa pressure, keeps 10S, no leak
For qualification, otherwise to be unqualified;
S7, for defective work, it is necessary to replace encapsulating lamp base, ressemble and examine.
As a further improvement on the present invention, conducting wire at least 20% surface on any point of 20mm long is should ensure that in S615
There is glue.
The beneficial effects of the invention are as follows:
1st, lamp tube service life of the invention is longer, light efficiency higher, safe, and outside is not required to configuration ballast and power supply, lamp
Pipe two terminates AC220 and can directly work, and user replaces very convenient, and also reduces being manufactured into for explosion-proof lamp
This, possesses larger market promotion prospect and economic value.
2nd, tube body of the present invention is shaped using PC materials extrusion molding, have it is light-weight, it is heat-resisting, resist cold, meet explosive test requirement
The features such as.Supporting rack is made of high heat conductive material, it is ensured that LED light source, the abundant heat dissipation of constant-current source and long-life work
Make;The explosion-proof plug of the gluing high intensity of lamp tube ends carries out flame proof, by carrying out resin encapsulation to wire guide, meets explosion-proof GB3836
It is required that being reconfigured at standard-sized fluorescence lamp base, the interchangeability with common fluorescent tube is realized.
3rd, anti-explosion LED lamps pipe volume of the invention is small, and long lifespan, shape is identical with ordinary lamps pipe size, without with ballast
Device, can directly substitute common lamp works, safe and reliable under explosion environment.Ensure to make in various rugged environments
With.
4th, adhesion process and encapsulation technique of the invention can make to obtain between tube body and sleeve, explosion-proof plug and tube body preferable
Sealing effect, improve junction intensity, so as to improve its explosion-proof performance.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of anti-explosion LED fluorescent tube embodiment of the present invention.
Fig. 2 is B-B sectional views in Fig. 3.
Fig. 3 is A-A sectional views in Fig. 2.
Fig. 4 is the structure diagram that the present invention is used for the second annular seal space encapsulation technique.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Referring to Fig. 1-Fig. 3, a kind of anti-explosion LED fluorescent tube, including, tube body 100, sleeve 200, lamp base 210, the pipe
Supporting rack 600 is equipped with body 100, LED light source 300 is fixed with the supporting rack 600,100 both ends of tube body fill
Enter in sleeve 200 and assembled with 200 inner wall sealing of sleeve;Preferably, sealing is passed through between the tube body 100 and sleeve 200
Glue 730 is bonded, seals;
Described 100 two openends of tube body are also assembled with explosion-proof plug 400 and are sealed, and the lamp base 210 is assembled with sleeve
It is fixed.
Further, constant-current source 500 is further included, the constant-current source 500 is connected by conducting wire 510 with conductive seat 520 leads
Electricity, the conductive seat 520 are connected conduction with conductive column 530, and the conductive column 520 is used to be connected conduction with external power supply,
The conductive seat 520 and conductive column 530 is each attached on lamp base 210;
The constant-current source 500 is connected conduction also by conducting wire to provide electric energy for LED light source with LED light source.
Further, the explosion-proof plug 400 is equipped with the first connecting screw hole 410, first annular seal space 420, second seals
Chamber 430, described 420 one end of the second annular seal space are equipped with encapsulation partition plate 440, and the conducting wire 510 passes through and is arranged on encapsulation partition plate
It is connected after wire guide 441 on 440 with conductive seat;
The supporting rack 600 is equipped with the second connecting screw hole 610, second connecting screw hole 610 and the first sealing
Chamber 420 connects;
Second screw 720 loads first annular seal space 420 and is assembled with the second connecting screw hole 610 by threaded engagement that will prop up
Support 600 and explosion-proof plug assembling are integral;
420 and second annular seal space 430 of first annular seal space does leakproof hermetic seal.
Further, by 450 encapsulation of resin in 420 and second annular seal space 430 of first annular seal space, described leads
Line 510 is connected through resin 450 with conductive seat, and conducting wire 510 is sealed by resin 450.
By putting into practice and experiment is learnt, what general fluorescent tube was easier to burst is that fluorescent tube and lamp base junction are attached
Closely, the present invention at tube body both ends by setting sleeve to be used for the intensity for improving tube body both ends.In addition the present invention passes through explosion-proof plug 400
By using 450 encapsulation of resin to 420 and second annular seal space 430 of first annular seal space, meanwhile, lead between sleeve and tube wall
Fluid sealant sealing bonding is crossed, tube body both ends can be made to obtain preferable sealing, to prevent extraneous gas from entering by tube body both ends
Tube body, so as to cause the hidden danger of explosion.
Further, the supporting rack 600 is made of the higher material of thermal conductivity factor, such as aluminium, carbon fiber.It is this
Design can make the heat that LED light source and constant-current source (constant-current source is fixed on supporting rack 600) produce in time by supporting rack 600
Distributed, while can play fixation to LED light source again.
Further, the supporting rack 600 is equipped with card slot 620, and LED light source 300 is clamped in card slot 620.This
Kind of structure enable LED light source 300 removably, be firmly secured in card slot 620, prevent it from falling off or loosening,
Also increase the contact area of LED light source and supporting rack 600 at the same time, so as to improve heat dissipation effect of the supporting rack to LED light source.
Further, engaging raised line 110 is equipped with the tube body 100, slot is formed between two engaging raised lines 110
111, the slot 111 is arranged on supporting rack 600 with engaging 630 clamping of bar assembling, the clamping bar 630.It is this
Structure can make supporting rack 600 easy to disassemble, greatly facilitate assembling early period and the later stage disassembles maintenance.
Further, the tube body 100 is made of double-colored PC materials, double-colored PC materials extrusion molding can be used to shape, pipe
Body 100 and the one side that fluorescent tube mounting base is adjacent to are opaque, and printing opacity one side is translucent or transparent.This design is so that present invention hair
The light gone out is relatively soft and light efficiency is higher.
Tube body uses PC materials, and more than wall thickness 1.5mm, and thickness is uniform, has light-weight, heat-resisting, cold-resistant, satisfaction explosion
The features such as test requirements document.
Further, the opaque one side of tube body is white.
Further, the explosion-proof plug is made of high intensity (can be understood as high rigidity) material, such as aluminium alloy, this
Tube body both ends can be made to obtain preferable explosion-proof effect.
Further, lamp base 210 is equipped with connector sleeve 211, and the first screw 710 is connected spiral shell through connector sleeve 211 with first
Assembled by threaded engagement so that lamp base is fixed on explosion-proof plug 400 in hole 410.
A kind of adhesion process for being used for sleeve and tube body, including, following steps:
S1, adhesive material are N-198 silicones (manufacturer:Taylor's adhesive producing works);The N-198 silicones should expire
Sufficient the following conditions:
Rubber before curing:
Rubber after curing:
S2, relevant device and auxiliary tool:Caulking gun, gloves and bottled adhesive;
S3, technological preparation:The all surface for ensuring to contact with sealant cleans, is dry, without dust, dirt, modeling part, oil
Mark and other dirts;
S4, technical process
S41, should use air gun or hairbrush that explosion-proof casing engagement surface treatment is clean.
S42, excision adhesive bottleneck and spout tops, the mouth of pipe is tightened on adhesive bottle;
S43, load caulking gun, uniformly smears housing and Transparent Parts composition surface;If desired, use the gentle detergent of immersion
Spatula smooth out sealant;
S44, confirm that adhesive is smeared uniform, and Transparent Parts are pressed on adhesive, are moved back and forth, make adhesive with it is transparent
Part, housing bond well, it is ensured that the width (or length) in gluing joint face meets the requirement of standard GB3836.2 standards;
S45, with press box (be exactly the instrument for clamp sleeve, can be two semi-circular arc plates, act on sleeve one week
Compressed, can be the press box in Application No. 201120036542.6) Transparent Parts are compressed, tighten trip bolt;
S5, gluing points for attention and detection
S51, points for attention
Before S511, operation, encapsulation personnel should wear clean gloves;
S512, the component being glued have to processing totally before gluing, ensure free from dust and oil stain, molding powder;
S52, detection, do the water pressure test by the regulation of GB3836.2 after hardening, and test pressure is according to the standard of GB3836
Carry out, last 10s~12s, the permanent deformation or damage of type of explosion proof construc tion if the shell of casing or tube body does not make a difference, and
Revealed not over shell wall, then it is assumed that pass the test.
By above-mentioned adhesion process, can to obtain preferable sealing effect between sleeve and tube body, and fluid sealant
Compressive property and toughness of junction etc. are above national standard, and can tube body both ends be provided with enough intensity and leakproofness
Can, so as to obtain preferable explosion-proof effect.
Referring to Fig. 4, a kind of resin encapsulation technique applied to 420 and second annular seal space 430 of first annular seal space, including it is following
Step:
S1, pour closure material
J2196 unsaturation resins (manufacturer:Macromolecule new material industrial corporation is resided abroad in Wenzhou City), plasticizer, curing
Agent (potassium peroxide second acetone), catalyst, LYMFB-1 isolating seals clay, acetone, 502 glue;S2, resin technology parameter
S3, formula
The curing agent is potassium peroxide second acetone, and the plasticizer is DEHP, and the catalyst is laurate
Dibutyl tin.
The method and steps of S4, encapsulation
S41, related tool:Contain the container, stirring wooden stick, electronic scale of resin;
S42, technological preparation:It will treat that packing (is poured in insulated conductor surface at encapsulation, encapsulation partition plate made of oil resistant rubber
Plate) and explosion-proof plug surface wiped clean with acetone;
S5, technical process
S51, penetrate conducting wire in encapsulation partition plate, then conducting wire and encapsulation partition plate are penetrated in the second annular seal space, then mixes up
Lead location, is fixed (such as Fig. 4) with clay, and conducting wire will be uniformly distributed as far as possible, and conducting wire should be vertical in conducting wire hole site, and conducting wire cannot
Mutually it has been wrapped in, fixing piece can be borrowed if necessary and be fixed (as fixed encapsulation partition position with 502 glue, using corresponding rule
Lattice encapsulation partition plate fixes conducting wire);
S52, allotment resin
S521, the proportioning in S3, resin is contained into container, is proportionally added into plasticizer, catalyst wooden stick stirring 5
More than minute, stir evenly rear stand-by;
S522, according to formula rate add curing agent, stirs 1 minute or so again, is allowed to uniformly carry out encapsulating;
S53, encapsulating, the resin encapsulation agent mixed up is poured into the first annular seal space and the second annular seal space that need encapsulation, must not
Overflow, and keep flat, not rock, then it is cured above to place 30min for room temperature;
S54, arrangement, after encapsulation cures, auxiliary member is removed, and is arranged conducting wire, is bundled into harness;
S6 encapsulations points for attention and detection
S61 points for attention
Before S611, operation, the hand of encapsulation personnel should be clean and wears cleaning gloves;
S612, had to after being cleaned with acetone by the component of encapsulation before encapsulation, must not place for a long time;
S613, insulated conductor penetrate partition plate, after mixing up position, with hand by clay 910 and twisted conductor pressure, are allowed to closely viscous
Close;
S614, resin glue will strictly press above-mentioned allotment, and stir fully, must not reverse the right order, and standing time must not surpass
Cross 25min;
S615, should ensure that between conducting wire there is glue (having glue at least 20% surface on any point of 20mm long) completely,
And ensure that conducting wire is straight in glue;
It should ensure that encapsulation partition plate is pressed onto bottom and smooth when S616, sealing, encapsulation thickness is not less than 20mm;
S62, the second annular seal space have anti-pull-off structure (being threaded in the second annular seal space);
S63, when threading not appropriate to the occasion enough the multiple wire guides of number in a wire guide, and should be uniformly distributed;
The intensity being honored as a queen is poured in S64, consideration, must not use direct tapping mode for split conductor wire guide, should there is screw thread
Bushing or corresponding positioning convex platform are used for the encapsulation bulkhead sides for being positioned over leakproof and positioning;
S62, detection
S621, by the explosion-proof plug after curing carry out insulation resistance and voltage-withstand test, it is desirable between every line, every line and encapsulating
Insulation resistance between seat answers >=5M Ω;Pressure voltage is not less than 2500V;
S622, do the water pressure test by the regulation of GB3836.2 after hardening, imposes 1.5MPa pressure and (is during IIC classes
2MPa), 10S is kept, no leak is qualification, otherwise to be unqualified;
S7, for defective work, it is necessary to replace encapsulating lamp base, ressemble and examine.
By above-mentioned encapsulation technique, first annular seal space and the second annular seal space, conducting wire can preferably be sealed, and pour
Resin 450 its intensity, the leakproofness being honored as a queen are superior to national standard, can obtain higher explosion-proof performance.
Preferred embodiment of the invention described in detail above.It should be appreciated that those of ordinary skill in the art without
Need creative work to conceive according to the present invention and make many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of encapsulation technique of anti-explosion LED fluorescent tube, it is the part in the assembly technology of anti-explosion LED fluorescent tube,
Including, first annular seal space, the resin encapsulation technique of the second annular seal space, it is characterized in that:The resin encapsulation technique, including it is as follows
Step:
S1, pour closure material
J2196 unsaturations resin, plasticizer, curing agent, catalyst, LYMFB-1 isolating seals clay, acetone, 502 glue;
S2, formula
The method and steps of S3, encapsulation
S31, related tool:Contain the container, stirring wooden stick, electronic scale of resin;
S32, technological preparation:It will treat that insulated conductor surface, encapsulation partition plate and explosion-proof plug surface at encapsulation are wiped clean with acetone;
S4, technical process
S41, penetrate conducting wire in encapsulation partition plate, then conducting wire and encapsulation partition plate are penetrated in the second annular seal space, then mixes up conducting wire
Position, is fixed with clay, and conducting wire will be uniformly distributed as far as possible, and conducting wire should be vertical in conducting wire hole site, and conducting wire cannot be mutually wrapped in
Rise, fixing piece can be borrowed if necessary and be fixed;
S42, allotment resin
S421, the proportioning in S3, resin is contained into container, is proportionally added into plasticizer, catalyst wooden stick stirs 5 minutes
More than, stir evenly rear stand-by;
S422, according to formula rate add curing agent, stirs 1 minute or so again, is allowed to uniformly carry out encapsulating;
S43, encapsulating, the resin encapsulation agent mixed up is poured into the first annular seal space and the second annular seal space that need encapsulation, must not be overflowed,
And keep flat, it not rock, then it is cured above to place 30min for room temperature;
S44, arrangement, after encapsulation cures, auxiliary member is removed, and is arranged conducting wire, is bundled into harness.
2. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 1, it is characterized in that:The curing agent is peroxide
Change potassium second acetone, the plasticizer is DEHP, and the catalyst is dibutyl tin laurate.
3. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 1, it is characterized in that:J2196 unsaturations resin should expire
Foot once requires:
4. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 1, it is characterized in that:It is further comprising the steps of:
S6 encapsulations points for attention and detection
S61 points for attention
Before S611, operation, the hand of encapsulation personnel should be clean and wears cleaning gloves;
S612, had to after being cleaned with acetone by the component of encapsulation before encapsulation, must not place for a long time;
S613, insulated conductor penetrate partition plate, after mixing up position, with hand by clay 910 and twisted conductor pressure, are allowed to close adhesion;
S614, resin glue will strictly press above-mentioned allotment, and stir fully, must not reverse the right order, and standing time must not exceed
25min;
S615, should ensure that between conducting wire there is glue completely, and ensure that conducting wire is straight in glue;
It should ensure that encapsulation partition plate is pressed onto bottom and smooth when S616, sealing, encapsulation thickness is not less than 20mm;
S62, the second annular seal space have anti-pull-off structure;
S63, when threading not appropriate to the occasion enough the multiple wire guides of number in a wire guide, and should be uniformly distributed;
The intensity being honored as a queen is poured in S64, consideration, must not use direct tapping mode for split conductor wire guide, should there is screw-thread bush
Or encapsulation bulkhead sides of the corresponding positioning convex platform for being positioned over leakproof and positioning;
S62, detection
S621, by the explosion-proof plug after curing carry out insulation resistance and voltage-withstand test, it is desirable between every line, between every line and encapsulating seat
Insulation resistance should >=5M Ω;Pressure voltage is not less than 2500V;
S622, do the water pressure test by the regulation of GB3836.2 after hardening, imposes 1.5MPa pressure, keeps 10S, and no leak is conjunction
Lattice, otherwise to be unqualified;
S7, for defective work, it is necessary to replace encapsulating lamp base, ressemble and examine.
5. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 4, it is characterized in that:It should ensure that conducting wire exists in S615
At least there is glue on 20% surface on any point of 20mm long.
6. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 1, it is characterized in that:The anti-explosion LED fluorescent lamp
Pipe, including, tube body, sleeve, lamp base, it is characterized in that:Supporting rack is equipped with the tube body, is fixed with the supporting rack
LED light source, the tube body both ends, which are fitted into sleeve and are sealed with sleeve lining, assembles;Described two openends of tube body are also
Assemble and seal with explosion-proof plug, the lamp base is fixed with sleeve assembling;
Constant-current source is further included, the constant-current source is connected conduction with conductive seat by conducting wire, and the conductive seat connects with conductive column
Conduction is connect, the conductive column is used to be connected conduction with external power supply, and the conductive seat and conductive column are each attached on lamp base;
The constant-current source is connected conduction also by conducting wire to provide electric energy for LED light source with LED light source.
7. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 6, it is characterized in that:The explosion-proof plug is equipped with
First connecting screw hole, first annular seal space, the second annular seal space, the second described annular seal space one end are equipped with encapsulation partition plate, and described leads
Line is connected after passing through the wire guide being arranged on encapsulation partition plate with conductive seat;
The supporting rack is equipped with the second connecting screw hole, and second connecting screw hole is connected with first annular seal space;
Second screw loads first annular seal space and is assembled with the second connecting screw hole by threaded engagement with by supporting rack and explosion-proof plug
Assembling is integral;The first annular seal space and the second annular seal space does leakproof hermetic seal.
8. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 7, it is characterized in that:The first annular seal space and
By resin encapsulation in second annular seal space, the conducting wire is connected through resin with conductive seat, and conducting wire passes through resin seal.
9. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 6, it is characterized in that:Card is equipped with the tube body
Raised line is closed, slot is formed between two engaging raised lines, the slot is set with engaging bar clamping assembling, the clamping bar
Put on supporting rack.
10. the encapsulation technique of anti-explosion LED fluorescent tube as claimed in claim 6, it is characterized in that:The tube body is using double-colored
PC materials are made and more than wall thickness 1.5mm, thickness are uniform.
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CN201711120830.8A CN107940265A (en) | 2017-11-14 | 2017-11-14 | A kind of encapsulation technique of anti-explosion LED fluorescent tube |
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US4069415A (en) * | 1977-01-07 | 1978-01-17 | Control Products Inc. | High intensity discharge lamp for use in explosive atmospheres such as mines |
CN104421903A (en) * | 2013-09-11 | 2015-03-18 | 华荣科技股份有限公司 | Explosion-proof LED (Light Emitting Diode) lamp tube |
CN105987314A (en) * | 2015-05-16 | 2016-10-05 | 深圳市金达照明有限公司 | Lamp capable of automatically adjusting light source temperature |
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2017
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US4069415A (en) * | 1977-01-07 | 1978-01-17 | Control Products Inc. | High intensity discharge lamp for use in explosive atmospheres such as mines |
CN104421903A (en) * | 2013-09-11 | 2015-03-18 | 华荣科技股份有限公司 | Explosion-proof LED (Light Emitting Diode) lamp tube |
CN105987314A (en) * | 2015-05-16 | 2016-10-05 | 深圳市金达照明有限公司 | Lamp capable of automatically adjusting light source temperature |
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