CN201475691U - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN201475691U CN201475691U CN2009201347748U CN200920134774U CN201475691U CN 201475691 U CN201475691 U CN 201475691U CN 2009201347748 U CN2009201347748 U CN 2009201347748U CN 200920134774 U CN200920134774 U CN 200920134774U CN 201475691 U CN201475691 U CN 201475691U
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- China
- Prior art keywords
- led lamp
- hole
- groove
- lamp
- lamp body
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- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses an LED lamp, which comprises a lamp cap, a lamp body and a lamp shade. A lower end surface of the lamp body is fixedly provided with an LED lamp PCB. The inside of the lamp body is provided with a through hole. The lower end surface of the lamp body is provided with a groove. The through hole is communicated with the groove. The inner wall of the through hole communicated with the groove is provided with screw threads. A silicon insulating layer is arranged between the LED lamp PCB and the lamp body. The LED lamp PCB and the silicon insulating layer are fixed on the lower end surface of the lamp body by positioned insulating plastic screws. In the utility model, a lower end surface of the aluminium alloy lamp cap is provided with the groove, and the LED lamp PCB and the silicon insulating layer are fixed on the lower end surface of the lamp cap by the positioned insulating plastic screws so as to be favorable for heat dissipation of the LED lamp PCB. Moreover, a wire pass through the through hole between the positioned insulating plastic screws and is connected with the LED lamp PCB, and as a distance between the positioned insulating plastic screws and the groove is more than 4mm and a depth of the groove is more than 3.5mm, the LED lamp of the utility model meets the withstand voltage detecting requirement that under the condition of 3750V AC, an atmosphere spacing distance is more than 3mm, and has better insulating efficiency.
Description
Technical field:
The utility model relates to a kind of LED lamp of LED lamp, particularly a kind of nonisulated type.
Background technology:
Common in the market LED lamp adopts the insulated type switch transformer mostly, and this LED lamp good insulation preformance is safe, is switch transformer owing to what adopt still, therefore has 20% energy consumption, so inefficiency.
Be the operating efficiency of raising LED lamp, can adopt nonisulated type circuit is the power supply of LED lamp, but this LED lamp cost height, and need be by the resistance test of 3750V AC, still present nonisulated type LED lamp also can't be by the resistance test of 3750V AC.
The utility model content:
For this reason, the purpose of this utility model is to provide a kind of LED lamp, to solve the problem that existing nonisulated type LED lamp can't pass through the resistance test of 3750VAC.
For achieving the above object, the utility model is mainly by the following technical solutions:
A kind of LED lamp, comprise lamp holder (1), lamp body (2) and lampshade (3), described lamp body (2) lower surface is installed with LED lamp pcb board (5), lamp body (2) inside is provided with a through hole (201), the lower surface is provided with a groove (203), described through hole (201) is communicated with groove (203), and through hole (201) inwall that is communicated with the place with groove (203) is provided with screw thread (202);
Be provided with silicon insulating barrier (6) between LED lamp pcb board (5) and lamp body (2) lower surface, described LED lamp pcb board (5), silicon insulating barrier (6) are fixed on lamp body (2) lower surface by the ambroin screw (4) of location.
Be provided with through hole (401) in the middle of the ambroin screw (4) of described location, the lower end is provided with screw thread (402), and this screw thread (402) is corresponding with above-mentioned screw thread (202), and ambroin screw (4) correspondence of location is screwed onto in the through hole (201).
Described groove (203) diameter is than the big at least 8mm of through hole (201).
Described groove (203) hole depth is 3.5mm at least.
Described silicon insulating barrier (6) thickness is 0.5mm.
Described lamp body (2) is integral for aluminium alloy casting.
Described lamp holder (1) is provided with power supply driver (101), and this power supply driver (101) is fixed in the above-mentioned through hole (201), and passes through hole (401) by connecting line and be connected with LED lamp pcb board (5).
The utility model is offered groove in aluminium alloy lamp holder lower surface, and by the ambroin screw of location LED lamp pcb board, silicon insulating barrier is fixed on the lamp holder lower surface, thereby helps the heat radiation of LED lamp pcb board; In addition, lead passes from the ambroin screw intermediate throughholes of location, be connected with LED lamp pcb board, because the ambroin screw of location and recess edge spacing are greater than 4mm, and depth of groove is greater than 3.5mm, satisfy under the alternating current 3750V situation, the atmosphere spacing distance has better insulation effect greater than the resistance test requirement of 3mm.
Description of drawings:
Fig. 1 is the utility model stereogram.
Fig. 2 is the utility model lamp body cutaway view.
Identifier declaration among the figure: ambroin screw 4, through hole 401, screw thread 402, LED lamp pcb board 5, the silicon insulating barrier 6 of lamp holder 1, power supply driver 101, lamp body 2, through hole 201, screw thread 202, groove 203, lampshade 3, location.
The specific embodiment:
Core concept of the present utility model is: by the silicon insulating barrier LED lamp pcb board and lamp body are isolated, and by the location the ambroin screw three is fixed, and locate in the ambroin screw fixed position of location, groove is set, guarantee groove and LED lamp pcb board, and the ambroin screw of locating between spacing all greater than 3.5mm, and under alternating current 3750V situation, therefore the atmosphere requirements of spacing distance can satisfy safety requirements greater than 3mm.
For setting forth thought of the present utility model and purpose, the utility model is described further below in conjunction with the drawings and specific embodiments.
Owing under the AC3750V situation, require atmosphere at present at interval at least greater than 3mm, could guarantee LED lamp operate as normal in safe range, the utility model provides a kind of LED lamp of nonisulated type.
See also Fig. 1, shown in Figure 2, the utility model mainly is in order to satisfy the problem that present LED lamp can not pass through the resistance test of 3750VAC, it mainly includes lamp holder 1, lamp body 2 and lampshade 3, described lamp body 2 is integral for aluminium alloy casting, be mainly and be convenient to heat radiation, and lamp body 2 inside are provided with through hole 201, and the upper end is installed with lamp holder 1, and the lower end is equipped with lampshade 3.
Wherein lamp body 2 lower surfaces are installed with LED lamp pcb board 5, and the lower surface is provided with a groove 203, and above-mentioned through hole 201 is communicated with groove 203, and through hole 201 inwalls that are communicated with the place with groove 203 are provided with screw thread 202; Groove 203 hole depths are at least 3.5mm in addition, and its aperture is than the big at least 8mm of through hole 201, and promptly the lateral separation between the inwall of groove 203 and the through hole 201 is at least greater than 4mm.In this way, can guarantee that the atmosphere of through hole 201 and lower surface and groove 203 inwall both sides is at interval greater than 3mm.
Also be provided with silicon insulating barrier 6 between LED lamp pcb board 5 and lamp body 2 lower surfaces, described LED lamp pcb board 5, silicon insulating barrier 6 are fixed on lamp body 2 lower surfaces by the ambroin screw 4 of location.Here because during LED lamp pcb board 5 work, it is more serious generate heat, and if directly contact with lamp body 2 lower surfaces, then have potential safety hazard, so increased silicon insulating barrier 6 here, can guarantee the insulating properties of LED lamp, heat in time can be derived again.
The ambroin screw 4 of above-mentioned location is made for insulating materials, be provided with through hole 401 in the middle of it, the lower end is provided with the screw thread 402 corresponding with above-mentioned screw thread 201, corresponding, also be provided with perforation on LED lamp pcb board 5, silicon insulating barrier 6, the ambroin screw 4 of location is arranged in groove 203 after boring a hole by this, and the screw thread 402 of its lower end is spirally connected corresponding to 201 screw threads 202 of through hole in the lamp body 2, thereby LED lamp pcb board 5, silicon insulating barrier 6 are fixed on the lower surface of lamp body 2.
In addition, in the upper end of lamp body 2 lamp holder 1 is installed, this lamp holder 1 is provided with power supply driver 101, the alternating current that the power supply driver 101 here is mainly used in the outside input converts the direct current that is fit to LED work to, this power supply driver 101 is installed in the through hole 201 of lamp body 2, it passes through hole 201 by lead, and stretches out along the ambroin screw 4 middle through holes 401 of location, is connected with LED lamp pcb board 5.
More than a kind of LED lamp provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. a LED lamp comprises lamp holder (1), lamp body (2) and lampshade (3), and described lamp body (2) lower surface is installed with LED lamp pcb board (5), it is characterized in that
Lamp body (2) inside is provided with a through hole (201), and the lower surface is provided with a groove (203), and described through hole (201) is communicated with groove (203), and through hole (201) inwall that is communicated with the place with groove (203) is provided with screw thread (202);
Be provided with silicon insulating barrier (6) between LED lamp pcb board (5) and lamp body (2) lower surface, described LED lamp pcb board (5), silicon insulating barrier (6) are fixed on lamp body (2) lower surface by the ambroin screw (4) of location.
2. LED lamp according to claim 1, the middle through hole (401) that is provided with of ambroin screw (4) that it is characterized in that described location, the lower end is provided with screw thread (402), this screw thread (402) is corresponding with above-mentioned screw thread (202), and ambroin screw (4) correspondence of location is screwed onto in the through hole (201).
3. LED lamp according to claim 1 is characterized in that described groove (203) diameter is than the big at least 8mm of through hole (201).
4. LED lamp according to claim 1 is characterized in that described groove (203) hole depth 3.5mm at least.
5. LED lamp according to claim 1 is characterized in that described silicon insulating barrier (6) thickness is 0.5mm.
6. LED lamp according to claim 1 is characterized in that described lamp body (2) is integral for aluminium alloy casting.
7. LED lamp according to claim 1, it is characterized in that described lamp holder (1) is provided with power supply driver (101), this power supply driver (101) is fixed in the above-mentioned through hole (201), and passes through hole (401) by connecting line and be connected with LED lamp pcb board (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201347748U CN201475691U (en) | 2009-08-13 | 2009-08-13 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201347748U CN201475691U (en) | 2009-08-13 | 2009-08-13 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201475691U true CN201475691U (en) | 2010-05-19 |
Family
ID=42411941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201347748U Expired - Fee Related CN201475691U (en) | 2009-08-13 | 2009-08-13 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201475691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330903A (en) * | 2011-09-08 | 2012-01-25 | 宁波福泰电器有限公司 | Led lamp |
-
2009
- 2009-08-13 CN CN2009201347748U patent/CN201475691U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330903A (en) * | 2011-09-08 | 2012-01-25 | 宁波福泰电器有限公司 | Led lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20100813 |