Sealed full plastic three prevention lamp
Technical field
The present invention relates to light fixture, relate in particular to sealed full plastic three prevention lamp with reliable waterproof and dustproof, Corrosion Protection.
Background technology
The full-plastic three-prevention lamp should have waterproof and dustproof, etch-proof performance.Because the decision of the version of full-plastic three-prevention lamp, the latter two can be accomplished.And the former is the critical defect that directly influences electric properties such as light fixture insulation, protection against electric shock and light fixture service life.Press IEC IEC529-598 and GB GB700-86 regulation, classify according to water and allotrylic degree of protection.At present commercially available upper and lower inosculating type full plastic three prevention lamp is because the typing of version accomplishes that on water resistance IP65 is impossible.(it is dustproof fully that on behalf of shell protection grade, 6, IPIngree protection represent, and inaccurate dust enters, and 5 representatives prevent that water spray from entering, and any direction should be harmless to light fixture obturator water spray).
The upper and lower inosculating type full plastic three prevention lamp of tradition is to have low groove (light fixture electrical equipment is installed in the groove) and last translucent cover two big parts to form through injection moulding die casting respectively.Middle anastomosis is buckled low groove with seal washer and plastic mast and last translucent cover is stubborn up and down makes Tri-proof light prodigiosin operate as normal after closing.The low groove of three-prevention lamp and last translucent cover have bigger gap at the stubborn place of closing, because the low groove of three-prevention lamp is slightly larger than translucent cover.Light fixture is in when vertically descending illumination condition, vertical following rainwater is difficult for entering in the chamber of light fixture, light fixture can reach the degree of protection of IP54 in the case, (5 representatives prevent to enter less than the 1.0mm foreign matter, not strict dustproof, but do not allow excessive dust to enter work to cause equipment not to be satisfied with.) but that if the illumination condition of light fixture is in is non-perpendicular rainy according to the type state or be in moist for a long time and skew wind when drenching with rain the state that spatters, or when being used for underwater lighting within 1 meter.Just do not reach the degree of protection of IP65.Three-prevention lamp in making moist or intaking and influence its service life, cause large-area power-cuts because of water inlet electric short circuit in the lamp chamber sometimes, even the life security incident is of common occurrence with regard to reason.Because no matter three-prevention lamp is above critical defect of existing of single tube or double-tube type more, has limited its scope of application outside the city is protected on brightening illumination and the floodlighting engineering.
As the applying date is Chinese utility model patent ZL95241558.5 in Mays 2 nineteen ninety-five " aluminium matter scattering type three-prevention lamp ", though its lamp neck and reflector are the aluminium type alloy aluminum, be connected with a sealing folder at the lamp neck inwall, the lampshade that reflector shield and cloche are formed has locking the hoop fastening, still exists to make moist or intake to cause above-mentioned unsurmountable defective.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency, and the sealed full plastic three prevention lamp with reliable waterproof and dustproof, etch-proof performance is provided; Adopt plastic lamp shade integral body to extrude structure, in manufacturing process, adopt and extrude new technology, the translucent cover that fluorescent tube will be installed with electric opaque cover down is installed, the pipe look disposable extrusion molding of two kinds of requirements is up and down avoided the original structure of inosculating type up and down and the infiltration that produces.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: sealed full plastic three prevention lamp, comprise lampshade, the inner chamber of this lampshade is provided with the installing plate that two ends are fixed with carrier frame plate, installing plate is fitted with ballast and at least one pair of is used to be electrically connected the also lamp bracket of plug-in mounting fluorescent tube, the technical measures of taking comprise: lampshade includes a joint lampshade shell at least, lampshade shell is the overall structure of plastic extruding forming, this lampshade internal chamber wall longitudinally symmetry is shaped on groove, and the two edges of installing plate are inserted in this lampshade groove; The lampshade shell two ends have the port of symmetry, and this port is embedded with end cap through the spill sealing ring; The lid mouth periphery of end cap has Baltimore groove, and sealing ring places in the Baltimore groove of this lid mouth, and the Baltimore groove outer wall of end cap lid mouth fastens the port of lampshade shell, and the Baltimore groove inwall of end cap lid mouth has the convex body of extension, and the convex body symmetry is shaped on the chute that cooperates the lampshade groove; The center of being shaped on, end cap outer wall middle part is the spill circular groove of round tube hole, and end cap spill circular groove is penetrated with the termination of ingot head seal cover through trapezoidal sealing ring, and the termination line of ingot head seal cover connects the carrier frame plate that is shaped on screw thread mouth; The termination of ingot head seal cover has the sealing through hole; Sealing through hole line is connected to the end cap screwing mechanism that is used to run through lead.
For optimizing technique scheme, the measure of being taked also comprises:
The end cap screwing mechanism is equipped with by recessed plug, protruding plug and the suitable tooth bolt that falls to be formed; The bore of two plugs of concave, convex is used to run through lead, and two plug end heads of concave, convex have at least a line to connect the sealing through hole of ingot head seal cover; The junction of two plugs of concave, convex compresses and is sealed with down along tooth bolt.
The positiver sealing of consideration under harsh environmental conditions falls and adopts caulking gum along tooth bolt.
Be subjected to the globule that produces because of cold and hot violent change behind the switch lamp in the lampshade for eliminating effectively, prolong light fixture service life and strengthen its insulating properties; The inner chamber of lampshade shell is provided with the activated carbon drier.
Can once extrude two kinds of colors up and down according to the color of client's needs lamp body, lampshade shell is extruded structure by the integral body of two kinds of colors up and down of plastics die cast, and the top inwall of lampshade shell has reflectance coating, and the bottom of lampshade shell is divided into transparent plastic.
Be adaptive two fluorescent tubes, lamp bracket is two pairs, is fitted with fluorescent tube respectively.
End cap seal and wiring sealing property can be made continuous light belt, satisfy light fixture market and the needs that different length light source lengths are installed, and cable connector need not the worry of waterproof each other; Lampshade includes the above lampshade shell of two joints; Mutually two of serial connection joint lampshade shells are connected in series through two plug end heads of concave, convex between the sealing through hole of ingot head seal cover separately mutually; And be positioned at the sealing through hole that the other ports of lampshade shell ingot head seal cover is separately saved at two of two ends, then line connects two plug end heads of concave, convex respectively.
Compared with prior art, the present invention is directed to the critical defect that former three-prevention lamp exists, the recessed box that light fixture loam cake translucent cover and installation is electric inosculating type structure up and down makes overall structure form into.Adopt plastic lamp shade integral body to extrude structure in design, in manufacturing process, adopt the disposable translucent cover opaque down cover electric that fluorescent tube will be installed of large-scale extruder with installation, the pipe look disposable extrusion moulding of two kinds of requirements is avoided the infiltration that coincide and produce because of up and down up and down.From version and its shell protection grade of manufacturing process assurance.It can guarantee effectively that the housing of light fixture is a complete integral body, the infiltration that need not worry lamp casing.Adopt the underwater sealing structure in the design of two end caps of lampshade, make novel three-prevention lamp no matter spatter the state of rain and descend to keep excellent sealing ability being subjected to drenching with rain of any direction.Also adopt end cap to screw the tight mechanism of lid, two end cap can be screwed by people's wish be closely linked by U font silicone rubber O-ring and can accomplish flawlessly, can not seep water with lamp body.
Description of drawings
Fig. 1 is that the above lampshade of the present invention's two joints is connected in series the partial structurtes cross-sectional schematic mutually;
Fig. 2 is a lampshade cross-sectional structure cross-sectional schematic among Fig. 1;
Fig. 3 is Fig. 1 middle part subassembly assembling cross-sectional schematic;
Fig. 4 is an end cap screwing mechanism cross-sectional schematic among Fig. 1.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Structure of the present invention is seen shown in Fig. 1-4.
Sealed full plastic three prevention lamp, comprise lampshade 2, the inner chamber of this lampshade is provided with the installing plate 12 that two ends are fixed with carrier frame plate 13, installing plate is fitted with ballast 14 and at least one pair of is used to be electrically connected the also lamp bracket 3 of plug-in mounting fluorescent tube 1, ballast 14 is by inductance type ballast 14a and open a device 14b and form, present embodiment adopts two pairs to be used to be electrically connected the also lamp bracket 3 of plug-in mounting fluorescent tube 1, and is fitted with fluorescent tube 1 respectively; Lampshade adopts and includes two joint lampshade shells, and lampshade shell is the overall structure of plastic extruding forming, and this lampshade internal chamber wall longitudinally symmetry is shaped on groove, and the two edges of installing plate 12 are inserted in this lampshade groove; Can once extrude two kinds of colors up and down according to the color of client's needs lamp body, lampshade shell is extruded structure by the integral body of two kinds of colors up and down of plastics die cast, and the top inwall of lampshade shell has reflectance coating, the bottom of lampshade shell is divided into transparent plastic, is convenient to illumination light transmission.
The lampshade shell two ends have the port of symmetry, and this port is embedded with end cap 5 through spill sealing ring 4; The lid mouth periphery of end cap 5 has Baltimore groove, sealing ring 4 places in the Baltimore groove of this lid mouth, the Baltimore groove outer wall of end cap 5 lid mouths fastens the port of lampshade shell, and the Baltimore groove inwall of end cap 5 lid mouths has the convex body of extension, and the convex body symmetry is shaped on the chute that cooperates the lampshade groove; The center of being shaped on, end cap 5 outer walls middle parts is the spill circular groove of round tube hole, and end cap 5 spill circular grooves are penetrated with the termination of ingot head seal cover 6 through trapezoidal sealing ring 7, and the termination line of ingot head seal cover 6 connects the carrier frame plate 13 that is shaped on screw thread mouth; The termination of ingot head seal cover 6 has the sealing through hole; Sealing through hole line is connected to the end cap screwing mechanism that is used to run through lead.The end cap screwing mechanism is equipped with by recessed plug, protruding plug and the suitable tooth bolt that falls to be formed; The bore of two plugs of concave, convex is used to run through lead, and two plug end heads of concave, convex have at least a line to connect the sealing through hole of ingot head seal cover 6; The junction of two plugs of concave, convex compresses and is sealed with down along tooth bolt.
Adopt the underwater sealing structure in the design of two end caps of lamp body, make the present invention no matter spatter the state of rain and descend to keep excellent sealing ability being subjected to drenching with rain of any direction.With adopt end cap to screw the tight mechanism of lid to match, two end cap can be screwed by people's wish be closely linked by U font silicone rubber O-ring and can accomplish flawlessly with lamp body, can not seep water.
End cap seal and wiring sealing property can be made continuous light belt, satisfy light fixture market and the needs that different length light source lengths are installed, and cable connector need not the worry of waterproof each other; Lampshade includes the above lampshade shell of two joints; Be connected in series mutually through two plug end heads of concave, convex between the sealing through hole of the described separately ingot head of two of serial connection joint lampshade shells seal cover 6 mutually; And be positioned at the sealing through hole that the other ports of lampshade shell described ingot head seal cover 6 is separately saved at two of two ends, then line connects two plug end heads of concave, convex respectively.The positiver sealing of consideration under harsh environmental conditions falls and adopts caulking gum along tooth bolt.
Its shell protection grade is pressed IEC IEC 529-598 and GB GB 700-86 standard code, and the shell protection grade can reach IP68, and (6 representatives are dustproof fully, and inaccurate dust enters.8 anti-waterflooding, under defined terms light fixture can continuous flooding in less than 1 meter water and unaffected.) can allow the colored fluorescent lamp of multicolored concubine of an emperor's atmosphere also can in water, put use.
Consider that the inside and outside temperature difference of lamp body is very big, especially be subjected to the influence of cold and hot temperature alternating after turning off the light, also have more outstanding in water, can make the globule that produces the hot-air condensation in the lamp body, influence the insulating properties and the service life of light fixture, because the temperature in the lamp chamber is higher than extraneous temperature that the activated carbon drier is dried, have a power failure when turning off the light when adopting inner chamber at lampshade shell to be provided with the activated carbon drier among the design to light a lamp because the globule that is subjected to the influence of cold and hot temperature alternating to generate condensation in lamp body is absorbed the globule by the activated carbon drier after drying for this reason.Reach the purpose of eliminating the condensation globule in the lamp chamber.Make the activated carbon drier be pink state, the temperature in behind the bright lamp because the lamp chamber is higher dries the activated carbon drier again, and circulation is so always gone down.All the time can eliminate the globule of condensation in the lamp body.Remain on the service life that the good insulation performance performance is arranged in the lamp body and prolong light fixture effectively.
In order to adapt to the possibility of using various light in various occasions, the present invention also has its popularity on the use light source, and it can not only be suitable for fluorescent light source, can also be suitable for new type light sources such as the digital cold-cathode tube of LED.
Though the present invention illustrates and describes by the reference preferred embodiment, but, those skilled in the art should understand, and under the situation of the spirit and scope of the present invention that do not deviate from claims and limited, can carry out various variations in form and details.