CN202972669U - Integral energy-saving light-emitting diode (LED) ball bulb based on bridge-type full-wave rectification technology - Google Patents
Integral energy-saving light-emitting diode (LED) ball bulb based on bridge-type full-wave rectification technology Download PDFInfo
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- CN202972669U CN202972669U CN2012206809764U CN201220680976U CN202972669U CN 202972669 U CN202972669 U CN 202972669U CN 2012206809764 U CN2012206809764 U CN 2012206809764U CN 201220680976 U CN201220680976 U CN 201220680976U CN 202972669 U CN202972669 U CN 202972669U
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Abstract
The utility model discloses an integral energy-saving light-emitting diode (LED) ball bulb based on bridge-type full-wave rectification technology. The integral energy-saving LED ball bulb comprises an optical lamp cover, an LED assembly, a bulb body and a lamp head, the LED assembly comprises an LED chip, a rectifier bridge pile and a circuit substrate, the LED chip and the rectifier bridge pile are both connected and distributed on a surface of the circuit substrate, a resistance element for limiting current is arranged on a back face of the circuit substrate, the circuit substrate is fixedly installed on the bulb body, the paster type rectifier bridge pile serves as a rectifying device to be integrated on the substrate to be directly connected in the alternating current to output constant current to drive an LED to work, and the integral energy-saving LED ball bulb simplifies system structure, reduces system cost and prolongs service life of the LED.
Description
Technical field
The utility model relates to the LED ball bulb, especially a kind of integrated energy-saving type LED ball bulb based on the bridge full-wave rectifier technology.
Background technology
The LED light fixture is widely used in the fields such as backlight, illumination, electronic equipment at present, and LED in use, need to drive it, avoid drive current to exceed maximum rating, affect its reliability, the performance of drive circuit will directly have influence on the performances such as life-span, power consumption and reliability of LED product, and LED ball bulb in the market generally uses the type of drive of constant current or resistance-capacitance depressurization.
But the type of drive of resistance-capacitance depressurization, input voltage range is narrow, capacitor part easily damages, and the constant current driving is that alternating current is transformed into direct current, is transformed into dc constant current power supply after over commutation, so must leaves certain space in the LED light fixture and settle such devices, the space is very limited for E27 type standard screw socket ball bulb, and can affect the heat radiation of lamp body, and approximately have the electric power of 15%-30% to be depleted when AC-DC conversion, so system effectiveness is low.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of integrated energy-saving type LED ball bulb based on the bridge full-wave rectifier technology, LED chip and rectifier bridge stack are integrated on a circuit substrate with SMD, bridge full-wave rectifier technology by rectifier bridge stack can directly connect alternating current and carry out constant current and drive, energy-conserving and environment-protective, practicality is high.
To achieve these goals, the technical scheme that adopts of the utility model is:
integrated energy-saving type LED ball bulb based on the bridge full-wave rectifier technology, comprise bulb, lamp holder, cover on the optical lampshade on bulb and be installed in the interior LED assembly of bulb, it is characterized in that: described LED assembly comprises LED chip, rectifier bridge stack and circuit substrate, described LED chip is connected with rectifier bridge stack and is arranged on the circuit substrate surface, the circuit substrate back side is provided with the resistive element for current limliting, described rectifier bridge stack is SMD rectifier bridge stack, the DC output end of rectifier bridge stack and resistive element and LED chip are connected in series, the alternating current input is connected with lamp holder, circuit substrate is fixed on bulb.Adopt SMD rectifier bridge stack to be incorporated on substrate as rectifying device, directly incoming transport is electric, and alternating current is output constant current driving LED chip after over commutation, and the system architecture of simplified driving circuit, improve system effectiveness greatly.
As further improvement in the technical proposal, described bulb is the aluminium radiator, simultaneously, be provided with the heat-conducting silicone grease layer between circuit substrate and bulb, good heat conductivity, the heat that produces during LED work is passed on radiator by this heat-conducting silicone grease layer and sheds, and can effectively reduce the operating temperature of lamp body.
As further improvement in the technical proposal, described bulb is connected and fixed by hickey and lamp holder, insulation connection structure, firm and durable.
As further improvement in the technical proposal, described lamp holder is E27 screw socket type lamp holder, is applicable to the common lamp socket of family expenses.
The beneficial effect that the utility model brings is:
The utility model adopts SMD integration to be placed on a circuit substrate LED chip and rectifier bridge stack, save installing space, bridge full-wave rectifier technology by rectifier bridge stack can directly connect alternating current output constant current driving LED chip, compare with LED constant-current drive circuit in the past, solve the shortcoming that LED must be equipped with power supply driver, used volume structure and be simplified, effectively saved cost, improve system effectiveness, energy-conserving and environment-protective, practicality are high.
Description of drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.
Fig. 1 is blast structural representation of the present utility model.
Fig. 2 is the Facad structure schematic diagram of circuit substrate in the utility model.
Fig. 3 is the structure schematic diagram of circuit substrate in the utility model.
Fig. 4 is LED rectifier bridge stack driving circuit principle schematic diagram in the utility model.
The specific embodiment
referring to figs. 1 through Fig. 3, a kind of integrated energy-saving type LED ball bulb that the utility model provides, carrying out constant current based on the bridge full-wave rectifier technology of rectifier bridge stack drives, its structure comprises bulb 3, lamp holder 4, cover on the optical lampshade 1 on bulb 3 and be installed in the interior LED assembly 2 of bulb 3, described LED assembly 2 comprises LED chip 22, rectifier bridge stack 23 and circuit substrate 21, described rectifier bridge stack 23 is SMD rectifier bridge stack, LED chip 22 and rectifier bridge stack 23 are arranged on circuit substrate 21 surfaces, be connected with the resistive element 24 for current limliting between LED chip 22 and rectifier bridge stack 23, described resistive element 24 is arranged on circuit substrate 21 back sides, the DC output end of rectifier bridge stack 23 and resistive element 24 and LED chip 22 are connected in series, the alternating current input is connected with lamp holder 4, circuit substrate 21 is fixed on bulb 3, optical lampshade 1 is plexiglas material lampshade, be connected by hickey with bulb 3, light transmission is good, durable, cracky not, convenient transportation.
Be provided with the heat-conducting silicone grease layer between circuit substrate 21 and bulb 3 in said structure, have good heat conductivility, bulb 3 is the aluminium radiator simultaneously, and the aluminium radiator is a kind of device of passive radiating mode, thermal diffusivity is good, and the expense that reduces device saves production cost.The heat that produces during LED work is passed on bulb 3 and can promptly be dispersed in air by this heat-conducting silicone grease layer, effectively reduces the operating temperature of LED ball bulb, and bulb 3 is connected and fixed by hickey and lamp holder 4, and lamp holder 4 is E27 screw socket type lamp holder.
with reference to Fig. 4, LED rectifier bridge drive circuit comprises rectifier bridge stack 23, resistive element 24 and LED chip 22, the rectifier that adopts in the present embodiment is SMD rectifier bridge stack, volume is little, energy consumption is low, rectifier bridge stack 23 utilizes the unilateral conduction of diode to realize rectification, its structure comprises alternating current input and DC output end, be respectively two alternating current input pins and two direct current output pins, two alternating current input pins are connected with lamp holder 4, two direct current output pins are connected in series resistive element 24 and LED chip 22, form integrated LED drive circuit, directly incoming transport is electric by rectifier bridge stack 23, alternating current is output constant current driving LED chip 22 after over commutation, simplied system structure, reduce system cost, improve the service life of LED.
The above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (5)
1. based on the integrated energy-saving type LED ball bulb of bridge full-wave rectifier technology, comprise bulb (3), lamp holder (4), cover on the optical lampshade (1) on bulb (3) and be installed in the interior LED assembly (2) of bulb (3), it is characterized in that: described LED assembly (2) comprises LED chip (22), rectifier bridge stack (23) and circuit substrate (21), described LED chip (22) is connected 23 with rectifier bridge stack) connect and to be arranged on circuit substrate (21) surface, circuit substrate (21) back side is provided with the resistive element (24) for current limliting, described rectifier bridge stack (23) is SMD rectifier bridge stack (23), the DC output end of rectifier bridge stack (23) and resistive element (24) and LED chip (22) are connected in series, the alternating current input is connected with lamp holder (4), circuit substrate (21) is fixed on bulb (3).
2. the integrated energy-saving type LED ball bulb based on the bridge full-wave rectifier technology according to claim 1, is characterized in that: be provided with the heat-conducting silicone grease layer between described circuit substrate (21) and bulb (3).
3. the integrated energy-saving type LED ball bulb based on the bridge full-wave rectifier technology according to claim 1, it is characterized in that: described bulb (3) is connected and fixed by hickey and lamp holder (4).
4. according to claim 1,2 or 3 described integrated energy-saving type LED ball bulbs based on the bridge full-wave rectifier technology, it is characterized in that: described bulb (3) is the aluminium radiator.
5. according to claim 1 or 3 described integrated energy-saving type LED ball bulbs based on the bridge full-wave rectifier technology, it is characterized in that: described lamp holder (4) is E27 screw socket type lamp holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206809764U CN202972669U (en) | 2012-12-11 | 2012-12-11 | Integral energy-saving light-emitting diode (LED) ball bulb based on bridge-type full-wave rectification technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206809764U CN202972669U (en) | 2012-12-11 | 2012-12-11 | Integral energy-saving light-emitting diode (LED) ball bulb based on bridge-type full-wave rectification technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202972669U true CN202972669U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206809764U Expired - Fee Related CN202972669U (en) | 2012-12-11 | 2012-12-11 | Integral energy-saving light-emitting diode (LED) ball bulb based on bridge-type full-wave rectification technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202972669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704858A (en) * | 2017-01-03 | 2017-05-24 | 福建永德吉灯业股份有限公司 | Standardized LED bulb lamp |
-
2012
- 2012-12-11 CN CN2012206809764U patent/CN202972669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704858A (en) * | 2017-01-03 | 2017-05-24 | 福建永德吉灯业股份有限公司 | Standardized LED bulb lamp |
| CN106704858B (en) * | 2017-01-03 | 2023-08-29 | 福建永德吉灯业股份有限公司 | Standardized LED bulb lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG COOPER OPTOELECTRONICS INCORPORATED CO., Free format text: FORMER NAME: JIANGMEN COOPER OPTOELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 529080, 7 factory building, No. 27, East High Tech East Road, Jianghai District, Jiangmen, Guangdong, five Patentee after: Guangdong Cooper Optoelectronics Incorporated Co., Ltd. Address before: 529080, 7 factory building, No. 27, East High Tech East Road, Jianghai District, Jiangmen, Guangdong, five Patentee before: Jiangmen Cooper Optoelectronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20191211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |