CN205244874U - Stem stem and LED filament lamp - Google Patents

Abstract

The utility model discloses a stem stem, including support piece, blast pipe and sealing -in piece, the blast pipe is both ends open -ended hollow structure, the sealing -in piece is loudspeaker forms, and it includes basal portion and flaring, the one end of blast pipe links to each other with the basal portion of sealing -in piece and passes the sealing -in piece and forms the exhaust hole, the exhaust hole is two at least, support piece links to each other and supports on the sealing -in piece with the sealing -in piece, the utility model provides a LED filament lamp, including the driver, the printing opacity cell -shell, contain in inside stem stem and the luminous strip of an at least LED of printing opacity cell -shell, be filled with heat conducting gas in the printing opacity cell -shell, the luminous strip of LED is fixed in on the stem stem, the luminous strip of LED is connected with the driver through the wire. The utility model discloses avoid the condition of blowing off electrostatic spraying's in the cell -shell titanium white powder or other materials to cause spraying wiring skew pine bad and the luminous strip of LED to take off.

Description

A kind of stem stem and LED filament lamp

Technical field

The utility model relates to a kind of stem stem and LED filament lamp.

Background technology

LED filament lamp is the new kind of LED lamp of in recent years rising, and has the comprehensive advantage of the advantages such as LED streetlamp energy-saving, environmental protection, long-life and the same outward appearance of conventional incandescent concurrently and extremely consumer's welcome has good market prospects due to it. With reference to figure 1, existing LED filament lamp adopts traditional energy-saving lamp stem stem, on stem stem 50, only has a steam vent 51, in production in the time carrying out filling heat-conductive gas operation, the air-flow injecting from blast pipe is discharged from steam vent, larger to the impact dynamics of cell-shell inside, easily the titanium dioxide of electrostatic spraying in cell-shell or other material is blown off and causes spraying bad, cross strong air-flow and even can cause the wiring skew of LED light-emitting section to get loose, affected greatly yields. In addition, (especially opaque filament bubble, as frosted bubble for existing LED filament lamp, milky white bubble, color bubble) cannot effectively distinguish fast the corresponding wire of both positive and negative polarity of LED filament bar, workman easily obscures wrong and causes bulb not work in the time of assembling, even burns out LED.

Utility model content

The purpose of this utility model is to provide a kind of stem stem, overcomes the deficiencies in the prior art, and it has the assembling of being easy to, the advantage that yields is high.

The utility model solves the technical scheme that its technical problem adopts:

A kind of stem stem, comprise support member, blast pipe and closure, described blast pipe is the hollow structure of both ends open, described closure is horn-like, it comprises base portion and enlarging, one end of described blast pipe is connected with the base portion of closure and passes closure and forms steam vent, and described steam vent is at least two, and described support member is connected with closure and is supported on closure.

Further, described steam vent is distributed in be connected with the base portion both sides at position of blast pipe, preferably, steam vent quantity be even numbers and centered by blast pipe axial symmetry distribute. Like this, more steady when heat-conducting gas is injected into cell-shell inside from steam vent, and also steam vent can not affect the firmness of stem stem.

In addition, the purpose of this utility model is also to provide a kind of LED filament lamp.

A kind of LED filament lamp comprises driver, printing opacity cell-shell, is contained within stem stem and at least one LED light-emitting section of described printing opacity cell-shell inside, in described printing opacity cell-shell, is filled with heat-conducting gas, described LED light-emitting section is fixed on stem stem, and described LED light-emitting section is connected with driver by wire.

Further, the wire between described connection LED light-emitting section and driver positive pole, negative pole is through closure.

Further, described wire is Dumet wire through at least a portion of closure. Dumet wire has the characteristic that can merge with glass part, avoids bulb gas leakage.

Further, described wire is anodal and not identical to the length negative pole to driver after closure. Can play like this effect of simple and quick effective differentiation LED light-emitting section both positive and negative polarity, avoid workman in the time of assembling, to obscure wrong.

Further, the quantity of described LED light-emitting section is at least three and be divided at least two groups, and the LED light-emitting section in every group is first connected, and with driver is connected after being connected in parallel to tie point between each group again.

Further, the quantity of described LED light-emitting section is at least two, and LED light-emitting section is cross-shaped arrangement each other. Do like this and can avoid the light that LED light-emitting section sends be blocked each other and form shade and dark space, realize 360 degree uniformly light-emittings.

Further, described printing opacity cell-shell is opaque frosted cell-shell or milky white cell-shell or colored cell-shell.

Further, the inwall of described milky white cell-shell is provided with titanium dioxide.

The beneficial effects of the utility model are: stem stem comprises support member, blast pipe and closure, described blast pipe is the hollow structure of both ends open, described closure is horn-like, it comprises base portion and enlarging, one end of described blast pipe is connected with the base portion of closure and passes closure and forms steam vent, described steam vent is at least two, while heat-conducting gas being injected into cell-shell inside in bulb production process, multiple steam vents can play the effect of shunting, weaken air-flow and discharge the impact dynamics to cell-shell inside from steam vent, avoid the titanium dioxide of electrostatic spraying in cell-shell or other material to blow off and cause spraying bad, be offset situation about getting loose with the wiring of LED light-emitting section.

Brief description of the drawings

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is the structural representation of existing LED filament lamp stem stem.

Fig. 2 is the structural representation of LED filament lamp stem stem of the present utility model.

Fig. 3 is the structural representation of closure of the present utility model.

Fig. 4 is the decomposition texture schematic diagram of LED filament lamp of the present utility model.

Detailed description of the invention

With reference to Fig. 2, Fig. 3, a kind of stem stem 10, comprise support member 11, blast pipe 30 and closure 20, the hollow structure that described blast pipe 30 is both ends open, described closure 20 is horn-like, and it comprises base portion 201 and enlarging 202, and one end of described blast pipe 30 is connected and passes closure 20 with the base portion 201 of closure 20 and forms steam vent, described steam vent is two, is respectively 203a, 203b; Described support member 11 is connected with closure 20 and is supported on closure 20.

Preferably, described steam vent 203a, 203b be distributed in blast pipe 30 be connected with base portion 201 both sides at position and centered by blast pipe 30 axial symmetry distribute. Like this, it is more steady when inner that heat-conducting gas is injected into cell-shell from steam vent, and can not affect the firmness of stem stem in a side wherein because of steam vent dense distribution.

Preferably, support member 11 is solid glass rod, and its top is flat, and is provided with the wire 40 for many LED light-emitting sections 7 are cascaded.

With reference to Fig. 4, a kind of LED filament lamp comprises driver (not showing on figure), printing opacity cell-shell 6, closure 20, stem stem 10 and LED light-emitting section 7, the enlarging 202 of closure 20 is downward, and it is together with cell-shell 6 openings melt and are enclosed in, and closure 20 and cell-shell 6 surround the cavity of the described stem stem 10 of a containing and LED light-emitting section 7; In described printing opacity cell-shell 6, be filled with heat-conducting gas, described LED light-emitting section 7 is fixed on stem stem 10, and described LED light-emitting section 7 is connected with driver by wire 100. Heat-conducting gas is mainly the mist of hydrogen and helium, but other have high thermal conductivity, and the gas that the heat that LED can be produced is transmitted on cell-shell also can use.

Preferably, the wire 100 between described connection LED light-emitting section 7 and driver positive pole, negative pole is through closure 20. Wire 100 and stem stem 10 are fixed and support LED light-emitting section 7. According to the difference of purposes, wire 100 can be made up of three parts, is connected and the part that extends to closure 20 is upper strata seal wire 101 with LED light-emitting section 7 one end, and its composition is nickel coated iron wire, is convenient to bending forming, fixed support LED light-emitting section 7; Part through closure 20 is Dumet wire 102, and its inside is corronil, and outer surface spraying one deck borax is good with the envelope property of closure 20, can avoid bulb gas leakage; The part that is connected to driver through the rear extension of closure 20 is outer seal wire 103, and its composition is copper wire, and electric conductivity is better.

Preferably, described wire is Dumet wire through at least a portion of closure. The coefficient of expansion and the glass of Dumet wire are close, good with the envelope property of closure, can avoid bulb gas leakage.

Preferably, described wire is anodal and not identical to the length negative pole to driver after closure, and specific to the present embodiment, the length of two outer seal wires 103 is not identical. Can play like this effect of simple and quick effective differentiation LED light-emitting section 7 both positive and negative polarities, avoid workman in the time of assembling, to obscure wrong. It should be noted that, be assembled into after finished product LED filament lamp as half-finished stem stem, wire etc., because wire is included in lamp body inside, therefore its length difference can't affect the outward appearance of lamp body.

Preferably, in the present embodiment, the quantity of described LED light-emitting section 7 is four and is divided into two groups, and two LED light-emitting sections 7 in every group are first connected, and with driver (figure on do not show) is connected after being connected in parallel to tie point between each group again. The consumption that can save like this wire, reduces costs.

Preferably, the quantity of described LED light-emitting section is at least two, and LED light-emitting section is cross-shaped arrangement each other. Do like this and can avoid the light that LED light-emitting section sends be blocked each other and form shadow, realize 360 degree uniformly light-emittings, while being applied to opaque cell-shell, effect is particularly evident.

Preferably, described printing opacity cell-shell is opaque frosted cell-shell or milky white cell-shell or colored cell-shell.

Preferably, the inwall of described milky white cell-shell is provided with titanium dioxide.

Be more than to description of the present utility model and non-limiting, as long as without prejudice to the thought of the invention, various different embodiment of the present utility model are combined, all should be considered as the disclosed content of the utility model; Within the scope of technical conceive of the present utility model, technical scheme is carried out to any combination of the thought without prejudice to the invention that multiple simple modification and different embodiment carry out, all should be within protection domain of the present utility model.

Claims (10)

1. a stem stem, it is characterized in that: comprise support member, blast pipe and closure, described blast pipe is the hollow structure of both ends open, described closure is horn-like, it comprises base portion and enlarging, one end of described blast pipe is connected with the base portion of closure and passes closure and forms steam vent, and described steam vent is at least two, and described support member is connected with closure and is supported on closure.

2. stem stem according to claim 1, is characterized in that: described steam vent quantity be even numbers and centered by blast pipe axial symmetry be distributed in be connected with the base portion both sides at position of blast pipe.

3. one kind has the LED filament lamp of stem stem as claimed in claim 1 or 2, it is characterized in that: described LED filament lamp comprises driver, printing opacity cell-shell, be contained within stem stem and at least one LED light-emitting section of described printing opacity cell-shell inside, in described printing opacity cell-shell, be filled with heat-conducting gas, described LED light-emitting section is fixed on stem stem, and described LED light-emitting section is connected with driver by wire.

4. LED filament lamp according to claim 3, is characterized in that: the wire between described connection LED light-emitting section and driver positive pole, negative pole is through closure.

5. LED filament lamp according to claim 4, is characterized in that: described wire is Dumet wire through at least a portion of closure.

6. LED filament lamp according to claim 4, is characterized in that: described wire is anodal and not identical to the length negative pole to driver after closure.

7. LED filament lamp according to claim 3, is characterized in that: the quantity of described LED light-emitting section is at least three and be divided at least two groups, and the LED light-emitting section in every group is first connected, and with driver is connected after being connected in parallel to tie point between each group again.

8. LED filament lamp according to claim 3, is characterized in that: the quantity of described LED light-emitting section is at least two, and LED light-emitting section is cross-shaped arrangement each other.

9. LED filament lamp according to claim 8, is characterized in that: described printing opacity cell-shell is opaque frosted cell-shell or milky white cell-shell or colored cell-shell.

10. LED filament lamp according to claim 9, is characterized in that: the inwall of described milky white cell-shell is provided with titanium dioxide.