CN202220983U

CN202220983U - Light-emitting diode (LED) light source bulb with center radiating luminous body

Info

Publication number: CN202220983U
Application number: CN2011200304314U
Authority: CN
Inventors: 刘桥明; 王云
Original assignee: JIAXING BINGSHENG LIGHTING APPLIANCE CO Ltd
Current assignee: JIAXING BINGSHENG LIGHTING APPLIANCE CO Ltd
Priority date: 2011-01-28
Filing date: 2011-01-28
Publication date: 2012-05-16
Anticipated expiration: 2021-01-28

Abstract

The utility model relates to a light-emitting diode (LED) light source bulb with a center radiating luminous body, which comprises lamp holder, an LED luminous body, a current limit source and a glass bulb casing. The LED luminous body, the current limit source and the LED luminous body are sequentially and electrically connected, the glass bulb casing and the lamp holder are combined into a closed space, and the current limit source and the LED luminous body are arranged in the closed space. The LED luminous body comprises a plurality of circuit boards and a plurality of LED lamp beads distributed on lateral circuit boards, the plurality of lateral circuit boards are in split joint to form a center radiating structure distributed around the same center shaft. The LED light source bulb with the center radiating luminous body enables the LED luminous body to be arranged to be the center radiating structure distributed around the same center shaft, overcomes the shortcoming of single-face lighting of single-face LEDs, has better brightness and lighting effect, utilizes the circuit boards to form a polyhedral structure of the LED luminous body in splitting mode, has the function of serving as an LED lamp bead substrate, enables the circuit boards with certain hardness to serve as the structure, resolves the problem of material consumption and cost for additional manufacture of the polyhedral structure, and reduces production cost of the LED light source bulb.

Description

A kind of led light source bulb that has center radial pattern illuminator

Technical field

The utility model relates to a kind of led light source bulb, especially a kind of led light source bulb that has center radial pattern illuminator.

Background technology

Existing conventional incandescent bulb, compact fluorescent lamp have the shortcoming that power consumption is big, electro-optical efficiency is low, service life is short, and the noxious material that contains in the compact fluorescent lamp---mercury also has the shortcoming of not environmental protection.LED has energy-saving and environmental protection, free from glare, radiationless advantage as the light emitting source of a new generation.

Publication number is that the Chinese patent of CN201636630 discloses a kind of LED bulb, comprises lamp holder, power supply, plastic stent, heat radiation aluminium flake, hollow heat conduction support, back-up block, led light source matrix, hollow screw, diffuser, lead.Power supply is placed in the endoporus of plastic stent; Plastic stent screws in the endoporus of lamp holder, and the heat radiation aluminium flake is circular, and hollow heat conduction support is hollow cylindrical; The small end of hollow heat conduction support passes the central through hole of back-up block, heat radiation aluminium flake; Be threaded with the endoporus formation of plastic stent bottom, the led light source matrix is fixed together through the big end of hollow screw and hollow heat conduction support, and diffuser is buckled on the outer away from a heat radiation aluminum component of plastic stent.But in this technical scheme, the light emission direction of led light source is comparatively single, and this makes the LED bulb be difficult to reach lighting effect preferably.

Summary of the invention

The purpose of the utility model is to overcome the problem that exists in the prior art, proposes a kind of led light source that adopts and replaces traditional tungsten filament light emitting source, and solved the luminous shortcoming of LED single face, has the led light source bulb of good lighting effect and brightness.

For achieving the above object, the technical scheme that the utility model adopted is:

A kind of led light source bulb that has center radial pattern illuminator; Comprise lamp holder, LED illuminator, current limliting source, glass cell-shell; Lamp holder, current limliting source, LED illuminator are electrically connected successively, and the glass cell-shell combines with lamp holder to form a confined space, and current limliting source, LED illuminator are arranged in the confined space; The LED illuminator comprises a plurality of wiring boards and is distributed in a plurality of LED lamp pearls on the wiring board of side that a plurality of sides wiring board is spliced into the center emission type structure of arranging around same central shaft.

The utility model LED illuminator is set to center on the center emission type structure that same central shaft is arranged, and has solved the luminous shortcoming of single led single face, has better brightness and lighting effect; In addition; Utilize wiring board to be spliced to form the polyhedral structure of LED illuminator, in function as LED lamp pearl matrix, give have certain degree of hardness wiring board with structure function; The material that has solved other making polyhedral structure matrix expends, and has reduced the production cost of led light source bulb.

Technique scheme can also be further perfect:

As preferably, the LED illuminator comprises 2 side wiring boards of mutual grafting.

As preferably, offer a microscler slot that extends along central axis direction on the wiring board of side.

As preferably, microscler slot is positioned at the symmetry axis position of side wiring board, LED lamp pearl symmetry be distributed in microscler slot both sides.The LED illuminator is set to centrosymmetric " ten " font emitting structural, can guarantee each direction of led light source bulb intensity of illumination identical, have luminous well-balanced advantage.

As preferably, each side wiring board is provided with 16 LED lamp pearls.

As preferably, the LED illuminator also comprises a bottom surface wiring board and is distributed in a plurality of LED lamp pearls on the wiring board of bottom surface.The bottom surface wiring board that increases has guaranteed the illumination effect of led light source light bulb base, matches with center emission type structure, has formed the illumination range that 360 degree cover.

As preferably, the bottom surface wiring board has " ten " font structure, is distributed with 4 LED lamp pearls on every extension edge of " ten " font structure.Be symmetricly set on LED lamp pearl on the wiring board of bottom surface and further guaranteed the uniformity of luminance of led light source light bulb base.

As preferably, LED lamp pearl is an adopting surface mounted LED lamp pearl, and a plurality of LED lamp pearls are connected in series.

As preferably, the led light source bulb also comprises a stem stem that is arranged between lamp holder and the wiring board.

As preferably, stem stem is connected with the iron conductor joint pin that wiring board is 1.2mm through two diameters, end of joint pin and wiring board welding, and another end is connected with the stem stem clamp, is coated with nickel or tin on the joint pin.Traditional incandescent lamp bulb joint pin is the mode that adopts clamping connection with being connected of tungsten filament; And adopt LED as light emitting source; Because the wiring board as LED lamp pearl matrix has constant weight; So joint pin need adopt the mode of welding to be connected with the wiring board that LED lamp pearl is housed, with increase mechanical connection intensity, and the connected mode of joint pin and stem stem has kept the mode of clamping connection encapsulation in the incandescent lamp generation technology.Be coated with nickel or tin on the joint pin, increased the solderability of joint pin.The diameter of traditional incandescent lamp bulb joint pin is 0.8mm, in the utility model, through increasing the intensity that diameter has further strengthened joint pin.

Because the employing of technique scheme, the utility model compared with prior art has the following advantages:

The utility model adopts LED lamp pearl to replace the tungsten filament of incandescent lamp; The trend that meets the interior energy-saving and emission-reduction of global range instantly; And the utility model has obtained better intensity of illumination and scope through polyhedral LED illuminator is set, and has solved the luminous shortcoming of LED single face; This also makes the LED energy-saving bulb really to come into huge numbers of families, has marketing prospect preferably.In addition, the utility model has farthest kept the assembly of incandescent lamp bulb, the incandescent lamp bulb production technology combined with the led light source bulb, largely reduced the input that bulb manufacturer regenerates for renewal of the equipment between the transitional period.

Description of drawings

Fig. 1 is a kind of fractionation front view of the utility model;

Fig. 2 is a kind of bottom view of LED illuminator in the utility model;

Fig. 3 is the disassembled view that forms a part of LED illuminator side in the utility model;

Fig. 4 is the disassembled view that forms another part of LED illuminator side in the utility model;

Fig. 5 is a kind of theory diagram of the utility model;

Fig. 6 is a kind of circuit theory diagrams of the utility model;

Wherein: 1, lamp holder; 2, stem stem; 21, steam vent; 3, LED illuminator; 31, side wiring board; 32, LED lamp pearl; 33, microscler slot; 34, bottom surface wiring board; 35, convexity; 36, square slot; 4, current limliting source; 5, glass cell-shell; 6, iron conductor joint pin.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further specified.

The led light source bulb that has center radial pattern illuminator as shown in Figure 1; Comprise lamp holder 1, LED illuminator 3, glass cell-shell 5; Lamp holder 1 is electrically connected with LED illuminator 3 through stem stem 2, current limliting source 4 (seeing also Fig. 5), and stem stem inserts through lamp holder 1 for the inner vitreum that is surrounded by the copper post, civil power; The direct current electric that converts qualification into through copper post, LED current limliting source 4 is pressed to 3 power supplies of LED illuminator, makes the LED can be normally luminous under specified voltage, electric current.

Stem stem 2 is arranged between lamp holder 1 and the LED illuminator 3; Offer a steam vent 21 on the stem stem; Glass cell-shell 5 combines with lamp holder 1 to form a confined space, and stem stem 2, current limliting source 4, LED illuminator 3 are arranged in the confined space, in the production process; Air in the confined space is transferred through steam vent 21, forms vacuum environment.

See also Fig. 3 and 4, LED illuminator 3 comprises a plurality of wiring boards 31 and is distributed in a plurality of LED lamp pearls 32 on the side wiring board 31 that a plurality of sides wiring board 31 is spliced into the center emission type structure of arranging around same central shaft.

In the present embodiment, 2 side wiring boards 31 by mutual grafting form the center emitting structural of cross section for " ten " font.

See also Fig. 3 and Fig. 4; Offer a microscler slot 33 that extends along central axis direction on the side wiring board 31; Microscler slot 33 is positioned at the symmetry axis position of side wiring board 31; LED lamp pearl 32 symmetry be distributed in microscler slot 33 both sides, each side wiring board 31 is provided with 16 LED lamp pearls 32.2 side wiring boards 31 are pegged graft through microscler slot 33, form " ten " font structure.

As shown in Figure 2; LED illuminator 3 also comprises a bottom surface wiring board 34 and is distributed in a plurality of LED lamp pearls 32 on the bottom surface wiring board 34; " ten " font center emitting structural that forms with side wiring board 31 is complementary; Bottom surface wiring board 34 has " ten " font structure, is distributed with 4 LED lamp pearls 32 on every extension edge of " ten " font structure.

As shown in Figure 4, have protrudingly 35 on the side wiring board 31, bottom surface wiring board 34 is provided with square slot 36, and protruding 35 insert square slot 36, and side wiring board 31 and ground line plate 34 that will " ten " font emitting structural couple together.

As shown in Figure 6, LED lamp pearl 32 is an adopting surface mounted LED lamp pearl, and a plurality of LED lamp pearls 32 are connected in series.

Stem stem 2 is connected with the iron conductor joint pin 6 that wiring board 31 is 1.2mm through two diameters, an end of joint pin 6 and 31 welding of described wiring board, and another end is connected with stem stem 2 clamps.Be coated with nickel or tin on the joint pin 6, the solderability when being used to strengthen joint pin 6 with circuit board 31 welding.

Should be understood that this embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Claims

1. led light source bulb that has center radial pattern illuminator; Comprise lamp holder (1), LED illuminator (3), current limliting source (4), glass cell-shell (5); Described lamp holder (1), current limliting source (4), LED illuminator (3) are electrically connected successively; Described glass cell-shell (5) combines to form a confined space with described lamp holder (1); Described current limliting source (4), LED illuminator (3) are arranged in the described confined space; It is characterized in that: described LED illuminator (3) comprises a plurality of wiring boards (31) and is distributed in a plurality of LED lamp pearls (32) on the described side wiring board (31) that a plurality of described side wiring boards (31) are spliced into the center emission type structure of arranging around same central shaft.

2. the led light source bulb that has center radial pattern illuminator according to claim 1 is characterized in that: described LED illuminator (3) comprises 2 side wiring boards (31) of mutual grafting.

3. the led light source bulb that has center radial pattern illuminator according to claim 2 is characterized in that: offer the microscler slot (33) that a described central axis direction in edge extends on the described side wiring board (31).

4. the led light source bulb that has center radial pattern illuminator according to claim 3; It is characterized in that: described microscler slot (33) is positioned at the symmetry axis position of described side wiring board (31), described LED lamp pearl (32) symmetry be distributed in described microscler slot (33) both sides.

5. the led light source bulb that has center radial pattern illuminator according to claim 4 is characterized in that: each described side wiring board (31) is provided with 16 LED lamp pearls (32).

6. the led light source bulb that has center radial pattern illuminator according to claim 1 is characterized in that: described LED illuminator (3) also comprises a bottom surface wiring board (34) and is distributed in a plurality of LED lamp pearls (32) on the described bottom surface wiring board (34).

7. according to any described led light source bulb that has center radial pattern illuminator in the claim 1～6; It is characterized in that: described bottom surface wiring board (34) has " ten " font structure, is distributed with 4 described LED lamp pearls (32) on every extension edge of described " ten " font structure.

8. according to any described led light source bulb that has center radial pattern illuminator in the claim 1～6, it is characterized in that: described LED lamp pearl (32) is an adopting surface mounted LED lamp pearl, and a plurality of described LED lamp pearls (32) are connected in series.

9. according to any described led light source bulb that has center radial pattern illuminator in the claim 1～6, it is characterized in that: it also comprises a stem stem (2) that is arranged between described lamp holder (1) and the wiring board (31).

10. the led light source bulb that has center radial pattern illuminator according to claim 9; It is characterized in that: described stem stem (2) is connected with the iron conductor joint pin (6) that wiring board (31) is 1.2mm through two diameters; An end of described joint pin (6) and described wiring board (31) welding; Another end is connected with described stem stem (2) clamp, and described joint pin is coated with nickel or tin on (6).