CN201696910U

CN201696910U - Lighting device with replaceable bulb

Info

Publication number: CN201696910U
Application number: CN2010201653271U
Authority: CN
Inventors: 方念陆; 欧哲成
Original assignee: Junhong Photoelectric Co Ltd
Current assignee: Junhong Photoelectric Co Ltd
Priority date: 2010-04-20
Filing date: 2010-04-20
Publication date: 2011-01-05
Anticipated expiration: 2020-04-20

Abstract

The utility model discloses a lighting device with a replaceable bulb, which comprises a radiator, a lighting module, a holder structure and a bulb shade. The radiator includes a heat conducting post and two or more radiating fins, the lighting module includes a circuit substrate in fit connection with the guide post, two or more light emitting diodes respectively electrically connected with the circuit substrate, and a conductive plug, the holder structure includes an electric connector connected to the guide post, a power converter electrically connected with the electric connector, and a conductive socket electrically connected with the power converter and provided for plugging and unplugging of the conductive plug, and the bulb shade is connected to the radiating fins and covers all the light emitting diodes. Therefore, replacement operation of parts of components of the lighting device can be independently carried out, and efficiency and convenience of the replacement operation is promoted.

Description

Replaceable bulb type lighting device

Technical field

The relevant a kind of lighting apparatus of the utility model refers in particular to a kind of replaceable bulb type lighting device.

Background technology

In general, osram lamp be with tungsten filament as light emitting source, it is simple in structure, it is all quite convenient install to change, normally at the affixed adapter of the tail end of spherical shape lampshade, adapter has screw thread to the structure of osram lamp, is screwed in the tube face for it.When turn-on power, can make the tungsten filament heating that is arranged in the lampshade luminous, light penetration lampshade and shine the external world, and then reach the illumination purpose.Yet the duration of work at osram lamp generation illuminating ray also can produce a large amount of heat energy simultaneously, and therefore, tungsten filament burns easily and shortened the service life of osram lamp.

Light emitting diode (LED, Light Emitting Diode) is a kind of solid state light emitter that can convert electrical energy into luminous energy, and light emitting diode has that volume is little, driving voltage is low, reaction rate is fast, shatter-proof, characteristic such as the life-span is long.And,, make the bulb type led lamp replace osram lamp gradually and become the lighting device of a large amount of and extensive use along with the continuous development and the progress of science and technology.

Known bulb type led lamp, mainly comprise radiator, amplexiform the circuit board of radiator one end, be laid on the circuit board and electrically connect two or more light emitting diodes of circuit board, the spherical shape lampshade of each light emitting diode of cover cap, be fixed in the adapter of the radiator other end, with to be arranged at radiator inner and electrically connect the voltage current adapter of circuit board and adapter with the conductor wire welding manner, adapter is in order to be screwed into the bulb type led lamp in the tube face, voltage current adapter is converted to low compression set current DC electricity with High Level AC Voltage, uses for the light emitting diode running luminous.

Yet, the service life of voltage current adapter is shorter than the service life of light emitting diode usually, when the function of light emitting diode still normal, and voltage current adapter is when damaging, the bulb type led lamp just can't send illuminating ray, because voltage current adapter is to electrically connect circuit board and adapter by the conductor wire welding manner, if will change voltage current adapter, must impose the welding maintenance activity, quite loaded down with trivial details time-consuming and inconvenient, and if replace whole group bulb type led lamp, then very waste again, will cause maintenance cost high, in addition, also can't make full use of the long-life characteristics of light emitting diode.

The utility model content

Main purpose of the present utility model is to provide a kind of replaceable bulb type lighting device, can carry out the replacement operation of part assembly separately, promotes to replace efficiency of operation and convenience, and then saves maintenance and production cost, and increase product competitiveness.

For achieving the above object, the utility model provides a kind of replaceable bulb type lighting device, comprising:

Radiator comprises heating column and is located on two or more radiating fins of this heating column;

Light emitting module comprises circuit substrate that amplexiforms this heating column one end and two or more light emitting diodes and the conductive plug that electrically connects this circuit substrate respectively;

Holder structure comprises the detachable liftoff electric connection of this heating column other end, the electrically conductive socket that electrically connects the power supply changeover device of this electric connection and electrically connect this power supply changeover device and supply this conductive plug to plug of being connected in; And

Bulb shield is connected in this light emitting diode of this radiating fin and cover cap.

Compared to prior art, replaceable bulb type lighting device of the present utility model has following effect:

When the function of light emitting diode is still normal, and power supply changeover device can only be replaced power supply changeover device when damaging, and need not replace whole group lighting device, thereby make full use of the long-life characteristics of light emitting diode, can not waste and reduce maintenance cost; And the field-strip of power supply changeover device is quite quick and convenient, can save maintenance cost and increase product competitiveness.

Description of drawings

Fig. 1 is the perspective exploded view of replaceable bulb type lighting device of the present utility model;

Fig. 2 is the combination perspective diagram of replaceable bulb type lighting device of the present utility model;

Fig. 3 is the combination cross-sectional schematic of replaceable bulb type lighting device of the present utility model;

Fig. 4 is the dismounting schematic diagram of replaceable bulb type lighting device of the present utility model.

Description of reference numerals

Radiator 100 heating columns 110

Through hole 111 through holes 112

Radiating fin 120 trips 121

Spatial accommodation 122 light emitting modules 200

Circuit substrate 210 light emitting diodes 220

Conductive plug 230 holder structures 300

Electric connection 310 tanks 311

Perforate 312 power supply changeover devices 320

Keeper 330 electrically conductive sockets 340

Bulb shield 400 projections 410

The specific embodiment

Relevant detailed description of the present utility model and technology contents are described as follows conjunction with figs., yet appended accompanying drawing purposes as an illustration only is not to be used to limit to the utility model.

The utility model please refer to Fig. 1 to shown in Figure 3 relevant for a kind of replaceable bulb type lighting device, comprises radiator 100, light emitting module 200, holder structure 300 and bulb shield 400.

Radiator 100 comprises heating column 110 and two or more radiating fins 120.

The outward appearance of heating column 110 is cylindric, but is not shaped as restriction with this.Heating column 110 is made by the good material of thermal conductivity, metal for example, but be not restriction with this material.Heating column 110 offers through hole 111 at its axis direction, and the perisporium bottom of heating column 110 offers the through hole 112 that is communicated with through hole 111, and through hole 112 is a screw, but is not restriction with this hole shape, and the center line of the center line of through hole 112 and through hole 111 is mutually orthogonal.

Each radiating fin 120 is located at heating column 110, illustrate further, each radiating fin 120 spaces are arranged and are the periphery wall that is compassingly set at heating column 110 radially, radiating fin 120 can clamping, welding, bonding, interlocking or mode such as one-body molded and take shape on the heating column 110, but be not restriction in these modes, the top of each radiating fin 120 projection respectively forms trip 121, and each trip 121 surrounds spatial accommodation 122.

Light emitting module 200 comprises circuit substrate 210, two or more light emitting diodes 220 and conductive plug 230.

Circuit substrate 210 is located in the spatial accommodation 122, and amplexiform the top of heating column 110 and the top of each radiating fin 120, and it is sincere around folder by 121 one common peripheral of each trip, therefore, circuit substrate 210 can be distributed to the external world via heating column 110 and each radiating fin 120 at the heat that running the time is produced.

Modes such as circuit substrate 210 can clamping, bonding or interlocking are amplexiformed in heating column 110 tops, but be not restriction in these modes, be equipped with dielectric between circuit substrate 210 and heating column 110 and each radiating fin 120, avoid causing short circuit phenomenon, and, also filled heat-conducting medium between circuit substrate 210 and heating column 110 and each radiating fin 120, passed effect in order to add heat-flash.

Each light emitting diode 220 is laid in the end face of circuit substrate 210 and electrically connects electronic loop on the circuit substrate 210,230 of conductive plugs are arranged at the bottom surface of circuit substrate 210 and electrically connect electronic loop on the circuit substrate 210, and conductive plug 230 is arranged in the through hole 111.

Holder structure 300 comprises electric connection 310, power supply changeover device 320, keeper 330 and electrically conductive socket 340.

Electric connection 310 is detachable liftoffly to be connected in the bottom of heating column 110 and to be arranged in the through hole 111, and the conducting position of electric connection 310 is configured to known, does not repeat them here.Electric connection 310 has the tank 311 that is communicated with through hole 111 and is opened in electric connection 310 perisporiums and the perforate 312 of connection tank 311 and through hole 112, and perforate 312 is a screw, but is not restriction with this hole shape.

Power supply changeover device 320 is arranged in the through hole 111 and in the tight fit mode and is embedded in the tank 311, and then can certain degree ground shortens the entire length of lighting device, the high efficiency of utilizing with the implementation space.And power supply changeover device 320 electrically connects electric connection 310,330 cross-under through hole 112 and perforates 312 successively of keeper, electric connection 310 and power supply changeover device 320 can be positioned and can from heating column 110, not break away from, keeper 330 is the screw that can be bolted in the aforementioned screw, but is not restriction with this member.

Electrically conductive socket 340 is arranged on the power supply changeover device 320, and electrically connects the internal circuit of power supply changeover device 320.And electrically conductive socket 340 is arranged in the through hole 111 and can makes light emitting module 200 can electrically connect holder structure 300 for conductive plug 230 plugs.

Bulb shield 400 is fixed in each radiating fin 120 and each light emitting diode 220 of cover cap, illustrates further its structure and annexation thereof, and bulb shield 400 is hemispherical or the arc convex surface shape, but is not shaped as restriction with these.Bulb shield 400 is made by plastics or glass material, but is not restriction with these materials.

The concave side projection of bulb shield 400 forms two or more projections 410; each projection 410 embeds holding mutually with each trip 121 respectively; bulb shield 400 can be covered close circuit substrate 210 and each light emitting diode 220; avoid extraneous dirty material to influence the running of light emitting module 200, and protection light emitting diode 220 can not be subjected to external force collision and damage.

Please refer to shown in Figure 4, electric connection 310 can directly be installed in the conventional bulb seat, need not be installed in the tube face of exclusive corresponding specification, quite have convenience and economic benefit, electric connection 310 is electrically connected to external power source, and the High Level AC Voltage that power supply changeover device 320 provides external power source again is converted to low compression set current DC.

Light emitting diode 220 then passes through the electric connection of conductive plug 230 and electrically conductive socket 340, thereby can obtain the low compression set current DC electricity that power supply changeover device 320 provides, and operates luminous whereby.

When causing light emitting diode 220 to send illuminating ray when power supply changeover device 320 damages, only need take off keeper 330 and electric connection 310 and power supply changeover device 320 can be withdrawed from through hole 111, and after conductive plug 230 pulled up from electrically conductive socket 340, promptly finish the field-strip that has damaged power supply changeover device 320.

After holder structure 300 breaks away from mutually with light emitting module 200, can replace operation, install normally functioning holder structure 300 with reverse step this moment again, can replace the part assembly individually whereby, and need not replace whole group lighting device, and can avoid waste and reduce maintenance cost, also quite fast convenient in the dismounting simultaneously, and, long service time of the usefulness of light emitting diode 220 is brought into play fully.

Same, when circuit substrate 210 or light emitting diode 220 damage, only need light emitting module 200 dismountings that will damage, and normally functioning other assembly need not replaced in the lump, can avoid waste and reduce maintenance cost.

The all dismounting replacements separately of radiator 100 of the present utility model, light emitting module 200, holder structure 300 and bulb shield 400, quite quick and convenient in maintenance, and can reduce maintenance and production cost, have suitable commercial value, and then increase product competitiveness.

The utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art various corresponding changes and distortion when developing according to the utility model, but these corresponding changes and distortion all should belong to the protection domain that the utility model is applied for a patent.

Claims

1. a replaceable bulb type lighting device is characterized in that, comprising:

2. replaceable bulb type lighting device as claimed in claim 1 is characterized in that, described heating column offers the through hole that wears for described conductive plug, described electric connection, described power supply changeover device and described electrically conductive socket.

3. replaceable bulb type lighting device as claimed in claim 2 is characterized in that, described electric connection has the tank that is communicated with described through hole and rabbets for described power supply changeover device.

4. replaceable bulb type lighting device as claimed in claim 3, it is characterized in that, described heating column offers the through hole that is communicated with described through hole, and described electric connection offers the perforate that is communicated with described tank and this through hole, and described holder structure also comprises the keeper of this through hole of cross-under and this perforate.

5. replaceable bulb type lighting device as claimed in claim 4 is characterized in that the center line of described through hole and the center line of described through hole are mutually orthogonal.

6. replaceable bulb type lighting device as claimed in claim 4 is characterized in that described through hole and described perforate are respectively screw, and described keeper is the screw that is bolted in this screw.

7. replaceable bulb type lighting device as claimed in claim 1 is characterized in that, described radiating fin space is arranged and is the periphery that is compassingly set at described heating column radially.

8. replaceable bulb type lighting device as claimed in claim 7 is characterized in that described radiating fin forms trip respectively, and this trip surrounds the spatial accommodation that is installed with for described circuit substrate.

9. replaceable bulb type lighting device as claimed in claim 8 is characterized in that, described bulb shield forms two or more projections that embed holding with described trip respectively mutually.

10. replaceable bulb type lighting device as claimed in claim 1 is characterized in that described bulb shield is the arc convex surface shape.