CN102278617A - Lamp - Google Patents

Abstract

A lamp comprises a lamp body and an electronic component accommodated in the lamp body, an insulating sleeve is placed in the lamp body, and the sleeve surrounds the electronic component. The lamp of the invention uses an insulating sleeve to replace the insulating glue in the prior art to prevent electric leakage or short circuit of the electronic components, greatly reduces the weight of the whole lamp, and correspondingly reduces the unit cost of the whole lamp.

Description

lamps

technical field

The invention relates to a lamp.

Background technique

A conventional lamp includes a light source and a driving electronic component for providing a driving voltage to the light source. Usually, during the normal operation of the driving electronic components, electric leakage or unnecessary conduction will occur to destroy the operating environment of the lamp. In order to solve this problem, insulating glue is usually filled around the electronic components to cover the electronic components, so as to avoid the occurrence of electric leakage or short circuit. However, filling the insulating glue will greatly increase the weight of the entire lamp and increase the unit cost of the entire lamp. Therefore above-mentioned light fixture needs further improvement.

Contents of the invention

In view of this, it is necessary to provide a light-weight and low-cost light fixture.

A lamp comprises a lamp body and an electronic component accommodated in the lamp body, an insulating sleeve is placed in the lamp body, and the sleeve surrounds the electronic component.

The lamp of the invention uses an insulating sleeve to replace the insulating glue in the prior art to prevent electric leakage or short circuit of the electronic components, greatly reduces the weight of the whole lamp, and correspondingly reduces the unit cost of the whole lamp.

Description of drawings

Fig. 1 is a three-dimensional assembly view of a lamp provided by an embodiment of the present invention.

FIG. 2 is an exploded view of the lamp of FIG. 1 .

Fig. 3 is a perspective enlarged view of the insulating part of the lamp in Fig. 2 .

Fig. 4 is a cross-sectional view of the lamp in Fig. 1 along line IV-IV.

FIG. 5 is an inverted view of the lamp of FIG. 2 .

Description of main component symbols

Drive circuit module 10

Circuit board 12

Electronic Components 14

Resistance Department 16

Socket 20

Lamp Holder 100

Electrical connector 110

Conductive contact 111

Insulation Department 120

Fixed part 121

Peripheral Department 122

Installation Department 123

Combined part 124

Holder 125

Storage tank 126

Bearing part 127

First block 1270

The second block 1272

The third block 1274

Storage Tank 1276

Step Department 128

Notch 129

Lamp body 200

Supporting Department 201

Extension 202

Cooling Department 203

Heat sink 205

Groove 206

Lamp Cup 210

Lighting module 220

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings.

Please refer to Fig. 1 to Fig. 2, the lamp in one embodiment of the present invention comprises a lamp cap 100 connected to an external power supply (not shown), a lampshade 300 and a lamp body 200 connected to the lamp cap 100 and the lampshade 300 at opposite ends respectively . A driving circuit module 10 is accommodated in the lamp body 200 . A sleeve 20 is accommodated in the lamp body 200 and sheathed on the periphery of the driving circuit module 10 .

The lamp base 100 includes an electrical connector 110 and an insulating portion 120 . The electrical connector 110 is sheathed on the bottom of the insulating part 120 for electrical connection with an external power source to provide the electrical energy required for the lamp to work. The insulating part 120 is fixedly connected with the lamp body 200 . The electrical connector 110 is a shell structure, and a conductive contact 111 is disposed in the middle of the bottom end thereof for electrical connection with an external power source. A threaded structure (not shown) is provided around the shell of the electrical connector 110 for connecting with a socket (not shown) of an external power source. The electrical connector 110 is usually a standard component, and is used for electrically connecting with an external power source to drive the driving circuit module 10 . The fixture is a direct replacement for traditional incandescent light bulbs.

Please also refer to FIG. 3 , the insulating portion 120 is integrally formed of plastic material, and is used to insulate the electrical connector 110 of the lamp holder 100 from the lamp body 200 . The insulating portion 120 is roughly cup-shaped. The insulating part 120 includes a fixing part 121 at the bottom and a mounting part 123 at the top. The fixing portion 121 has a cylindrical shape with an outer diameter smaller than that of the mounting portion 123 . The fixing portion 121 is provided with an external thread (not shown) on the periphery thereof, which is used for screw locking with the threaded structure of the electrical connector 110 , so that the insulating portion 120 is connected with the electrical connector 110 to form the lamp cap 100 . The inner surface of the fixing portion 121 protrudes inwardly to define two opposite carrying portions 127 for carrying the driving circuit module 10 . Each carrying portion 127 includes a first blocking portion 1270 , a second blocking portion 1272 and a third blocking portion 1274 . The first blocking portion 1270 and the second blocking portion 1272 are vertical. The third blocking portion 1274 is in a horizontal state. The third blocking portion 1274 connects bottom ends of the first blocking portion 1270 and the second blocking portion 1272 . The first blocking portion 1270 , the second blocking portion 1272 and the third blocking portion 1274 together form a receiving groove 1276 . A notch 129 is defined at the bottom of the fixing portion 121 .

The driving circuit module 10 is electrically connected to the electrical connector 110 . The driving circuit module 10 includes a circuit board 12 and a plurality of electronic components 14 mounted on the circuit board 12 . The circuit board 12 gradually shrinks from the top to the bottom, so that the bottom of the circuit board 12 can be accommodated in the insulating portion 120 . When the circuit board 12 tapers from the top to the bottom, a resisting portion 16 is formed on two opposite sides thereof. The resisting portion 16 is close to the bottom of the circuit board 12 and has a certain distance from the bottom of the circuit board 12 . Both end corners of the resisting portion 16 are respectively accommodated in the two receiving grooves 1276 of the fixing portion 121 , and respectively resisted on the third blocking portion 1274 , so that the bottom of the driving circuit module 10 is inserted into the insulating portion 120 Correspondingly, the top of the driving circuit module 10 abuts against the top of the lamp body 200, so that the driving circuit module 10 is fixedly installed in the cavity of the lamp. The wires (not shown) of the driving circuit module 10 pass through the notch 129 of the fixing portion 121 and are welded to the electrical connector 110 , so that the driving circuit module 10 is electrically connected to the electrical connector 110 .

The mounting portion 123 of the insulating portion 120 includes a stepped portion 128 extending horizontally outward from the top edge of the fixing portion 121, a peripheral portion 122 extending upward and outward from the outer edge of the stepped portion 128, and a A joint portion 124 extends upwardly from the top surface of the portion 128 . The stepped portion 128 , the peripheral portion 122 and the combining portion 124 are respectively ring-shaped. The peripheral portion 122 is separated from the joint portion 124 by a predetermined distance. An accommodating groove 126 is formed between the peripheral portion 122 and the connecting portion 124 for accommodating the bottom of the lamp body 200 . A clamping portion 125 protrudes outward from an outer circumferential surface of the coupling portion 124 . The locking portion 125 is ring-shaped and surrounds the outer periphery of the coupling portion 124 , and is used for interlocking with the bottom of the lamp body 200 . The cross section of the holding portion 125 is substantially a small semicircle.

The lamp body 200 includes a lamp cup 210 and a light emitting module 220 mounted on the top of the lamp cup 210 . The light emitting module 220 is installed on the top of the lamp cup 210 through screws (not marked), and is electrically connected with the driving circuit module 10 . The lamp cup 210 is integrally casted from materials with good thermal conductivity, such as aluminum and copper. The lamp cup 210 includes a supporting portion 201 , an extending portion 202 extending upward from the periphery of the supporting portion 201 , and a heat dissipation portion 203 extending downward from the supporting portion 201 . The support portion 201 is circular. The extension portion 202 is ring-shaped. The heat dissipation portion 203 is a hollow cylindrical structure (as shown in FIG. 4 ). The outer surface of the heat dissipation portion 203 is provided with a plurality of spaced heat dissipation fins 205 for dissipating the heat absorbed by the lamp cup 210 . Each heat sink 205 is roughly "S" shaped. The bottom of each heat sink 205 abuts against the peripheral portion 122 of the insulating portion 120 .

Please also refer to FIG. 5 , an annular groove 206 is defined at the bottom of the inner surface of the heat dissipation portion 203 . A bottom end of the heat dissipation portion 203 is inserted into the accommodating groove 126 of the insulating portion 120 . The groove 206 accommodates the clamping portion 125 of the insulating portion 120 so as to connect the insulating portion 120 and the lamp cup 210 .

The sleeve 20 is integrally made of insulating material. The sleeve 20 is accommodated in the heat dissipation portion 203 and sleeved around the periphery of the driving circuit module 10 to avoid electric leakage or short circuit. In this embodiment, the bottom end of the sleeve 20 abuts against the stepped portion 128 of the insulating portion 120 , and the top end abuts against the bottom surface of the support portion 201 of the lamp cup 210 . The sleeve 20 is located inside the joint portion 124 of the insulating portion 120 . The sleeve 20 is separated from the joint portion 124 , that is, the outer diameter of the sleeve 20 is smaller than the inner diameter of the joint portion 124 . In other embodiments, the outer peripheral surface of the sleeve 20 is attached to the inner peripheral surface of the joint portion 124 , that is, the outer diameter of the sleeve 20 is equal to the inner diameter of the joint portion 124 . The material and shape of the sleeve 20 can be selected and adjusted according to requirements, as long as it has the effect of non-conduction and insulation, it can be used to cover the driving circuit module 10 of the lamp.

The lampshade 300 is in the shape of a hollow hemisphere with one side open, which is fixed on the top of the lamp cup 210 and covers the light emitting module 220 . The lampshade 300 is made of transparent material, such as glass, plastic and so on.

The light emitting module 220 can be a light emitting diode (LED) module.

Compared with the prior art, the sleeve 20 made of insulating material covers the drive circuit module 10, effectively avoiding leakage or short circuit. Compared with filling insulating glue around the driving circuit module 10, the sleeve 20 has the advantages of easy operation, convenient use, light weight and low cost, so that the entire lamp also has the advantages of easy operation, convenient use, light weight and low cost. lower advantage.

The lamp of the invention uses an insulating sleeve to replace the insulating glue in the prior art to prevent electric leakage or short circuit of the electronic components, greatly reduces the weight of the whole lamp, and correspondingly reduces the unit cost of the whole lamp.

It can be understood that those skilled in the art can make various other corresponding changes and modifications according to the technical concept of the present invention, and all these changes and modifications should belong to the protection scope of the claims of the present invention.

Claims (10)

1. light fixture, it comprises that a lamp body and is contained in the electronic component in the lamp body, is characterized in that: the sleeve of a ccontaining insulation in the described lamp body, this liner ring is around described electronic component.

2. light fixture as claimed in claim 1, it is characterized in that: described light fixture also comprises an electrical connector, one insulation division is arranged between described lamp body and the electrical connector, and described sleeve is arranged at an end of this insulation division, and this sleeve and this insulation division are jointly around described electronic component.

3. light fixture as claimed in claim 2 is characterized in that: described electronic component is installed on the circuit board, and an end of this circuit board inserts in the described sleeve, and the other end inserts in the described insulation division, and this sleeve and this insulation division are jointly around this circuit board.

4. light fixture as claimed in claim 3, it is characterized in that: described insulation division comprises a fixed part and an installation portion, this installation portion comprises by the outward extending stage portion of the apical margin level of fixed part, by make progress an outward extending outer part and by the upwardly extending joint portion of the end face of this stage portion of the outer rim of this stage portion, forms the storage tank bottom the ccontaining described lamp body between this outer part and this joint portion.

5. light fixture as claimed in claim 4 is characterized in that: an end of described sleeve is against on the stage portion of described insulation division, and the other end of sleeve is against the interior top surface of described lamp body.

6. light fixture as claimed in claim 5 is characterized in that: the internal diameter of the joint portion of stating insulation division that the external diameter of described sleeve is less than or equal to.

7. light fixture as claimed in claim 4 is characterized in that: the fixed part of described insulation division is threaded with described electrical connector, and this fixed part inner surface inwardly convexes with a pair of supporting part, described circuit-board card this to supporting part on.

8. light fixture as claimed in claim 4, it is characterized in that: described lamp body comprises that a Lamp cup and is installed on an illuminating module at this Lamp cup top, this Lamp cup comprises a support portion, the peripheral upwardly extending extension in this support portion reaches a radiating part that extends from this support portion downwards certainly, the bottom inner surface of this radiating part is offered a groove, the peripheral ring of the joint portion of described insulation division towards outside be convexly equipped with a holding section, this holding section snaps in the groove of this radiating part, and insert in the storage tank of described insulation division the bottom of this radiating part.

9. light fixture as claimed in claim 8 is characterized in that: the outer surface of described radiating part outwards convexes with the fin at some intervals, and the bottom of each fin is against on the outer part of described insulation division.

10. light fixture as claimed in claim 8 or 9, it is characterized in that: described illuminating module is a light emitting diode module.

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