Copper wire lamp for AC/DC ultra-wide voltage application[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of lamps and lanterns, especially the technical field of copper line lamp.
[ background of the invention ]
The lamp, namely the artificial lighting apparatus using electricity as energy, can convert electricity into light, has promoted the progress of human civilization greatly, and common electric light kind is incandescent lamp, fluorescent lamp, LED lamp etc. LED copper wire lamp is one kind in the lamp, along with the development of LED technique, the form of LED lamp is more and more, and LED copper wire lamp cluster in the LED product not only is applied to the decoration of meeting a scene of various festivals such as christmas festival to be applied to family's fitment and city brightening engineering and various amusement activity places. LED light strings have incomparable advantages with conventional incandescent light strings: the colorful color-changing lamp string has the advantages that the colorful color-changing lamp string can achieve various changes of colors, the energy consumption is effectively reduced, the formed colorful color-changing lamp string not only can play a role in illumination, but also has a decoration effect of adding festive atmosphere to different programs and different occasions, the existing LED lamp is simple in structure, in the prior art, the LED lamp is exposed outside the lamp string, the protection measures are poor, the existing copper wire lamp inputs AC 85-265V voltage, and DC input voltage DC single voltage is 5V, 12V, 24V and the like; the AC input range of the alternating voltage is narrow, the DC input of the direct voltage is single, the applicable AC input range of the alternating voltage is narrow, and the DC input of the direct voltage is single; appearance structure is single, and copper line lamp pearl exposes outside, fragile, and the life-span is short.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a copper line lamp that ultra wide voltage of alternating current-direct current was used, can reduce the consumption, improve life, reduce heat, simple structure when in actual use, applicable voltage range is wide.
In order to realize the above-mentioned purpose, the utility model provides a copper line lamp that alternating current-direct current super wide voltage was used, including lamp body shell, copper line lamp cluster, lamp holder, drive power supply board, the lamp holder in be equipped with the drive power supply board, drive power supply board upper end be equipped with copper line lamp cluster, the output electric connection of copper line lamp cluster and drive power supply board, the one end input and the lamp holder inner wall electric connection of drive power supply board, lamp holder upper end be equipped with can rather than complex lamp body shell, lamp body shell and lamp holder between sealing connection, copper line lamp cluster coil the bending and locate inside the lamp body shell.
Preferably, the driving power supply board is a WS9420 LED driving chip.
Preferably, the lower end of the lamp cap is provided with a metal contact rivet, and the metal contact rivet is electrically connected with the input end of the driving power supply board.
Preferably, an insulating sealing member is arranged between the metal contact rivet and the lamp cap.
Preferably, the outer wall of the lamp holder is provided with a connecting external thread.
Preferably, the lamp body shell is a glass lamp shell or a plastic lamp shell.
Preferably, the lamp body shell is transparent, semitransparent, frosted or colorful.
The utility model relates to a copper line lamp that ultra wide voltage of alternating current-direct current was used's beneficial effect: 1. the power consumption is low, the service life is long, the heat is low, the structure is simple, the production is convenient, and the power supply can be suitable for shells of various shapes made of glass or plastic materials; 2. the WS9420 drives the chip to drive, a 500V high-power tube is integrated in the chip, a secondary feedback circuit is not needed, detection and power supply of an auxiliary winding of a transformer are not needed, a VCC power supply capacitor is not needed, constant current can be realized only by few peripheral elements, the cost and the volume of the system are greatly saved, and the applicable voltage range is wide; 3. the color is bright, and the color can be changed in various ways such as gradual change, quick flashing and slow flashing, wherein the change of the seven colors can play a role in decoration, is suitable for home decoration and urban lighting engineering, and adds festive atmosphere to festival; 4. can work normally at ultralow temperature, the low-temperature limit working temperature is-35 ℃, and no stroboflash exists.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a copper wire lamp structure for ac/dc ultra-wide voltage application according to the present invention;
fig. 2 is a front view cross-sectional view of a copper wire lamp junction for an ac/dc ultra-wide voltage application.
In the figure: 1-lamp body shell, 2-copper wire lamp string, 3-lamp holder, 4-metal contact rivet, 5-driving power supply board, 6-insulating sealing element and 31-connecting external thread.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 and 2, the copper wire lamp for ac/dc ultra-wide voltage application of the present invention comprises alamp body housing 1, a copperwire lamp string 2, alamp cap 3 and a drivingpower supply board 5, wherein the drivingpower supply board 5 is arranged in thelamp cap 3, the copperwire lamp string 2 is arranged at the upper end of the drivingpower supply board 5, the copperwire lamp string 2 is electrically connected with the output end of the drivingpower supply board 5, one end of the drivingpower supply board 5 is electrically connected with the inner wall of thelamp cap 3, thelamp body housing 1 capable of being matched with thelamp cap 3 is arranged at the upper end of thelamp cap 3, thelamp body housing 1 is hermetically connected with thelamp cap 3, the copperwire lamp string 2 is spirally bent and arranged in thelamp body housing 1, the drivingpower supply board 5 is a WS9420 type LED driving chip, the lower end of thelamp cap 3 is provided with ametal contact rivet 4, themetal contact rivet 4, an insulating sealing member 6 is arranged between themetal contact rivet 4 and thelamp holder 3, a connectingexternal thread 31 is arranged on the outer wall of thelamp holder 3, thelamp body shell 1 is a glass lamp shell or a plastic lamp shell, and thelamp body shell 1 is transparent, semitransparent, frosted or colorful.
The utility model discloses the working process:
the utility model relates to a copper line lamp that alternating current-direct current super wide voltage was used is at the course of the work, throughlamp holder 3,metal contact rivet 4 is connected with the positive negative pole of power respectively,lamp holder 3,metal contact rivet 4 is the leading-in drivepower supply board 5 of electric current, drivepower supply board 5 drive copperline lamp cluster 2 produces brightly, wherein drivepower supply board 5 is WS9420 type LED driver chip, WS9420 is high accuracy LED driver chip, the chip has realized a simple critical current mode control method, need not loop compensation, WS9420 is single-stage step-down type LED driver chip, the inside 500V high power tube that has integrateed of chip, need not secondary feedback circuit, also need not transformer auxiliary winding and detect and supply power, need not VCC supply capacitor, only need few peripheral component can realize the constant current, the cost and the volume of system have greatly been practiced thrift.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.