CN203784685U - Led point light source lamp - Google Patents
Led point light source lamp Download PDFInfo
- Publication number
- CN203784685U CN203784685U CN201420110502.5U CN201420110502U CN203784685U CN 203784685 U CN203784685 U CN 203784685U CN 201420110502 U CN201420110502 U CN 201420110502U CN 203784685 U CN203784685 U CN 203784685U
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- China
- Prior art keywords
- light source
- lamp body
- led
- lamp
- light fixture
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- Expired - Fee Related
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Abstract
The utility model relates to an illuminating lamp, in particular to an LED point light source lamp for brightening decoration of a building. The LED point light source lamp comprises a lamp body 3 movably connected onto a base 6, wherein a light source plate 7 is arranged on the lamp body 3; LED lamp beads 2 and a drive circuit are arranged on the light source plate 7; a wire passing groove 8 allowing light source plate lead wires 4 to go out is formed between the lamp body 3 and the base 6; and conductive electrodes 5 are led out from the lower part of the light source plate 7, enter the wire passing groove 8 under the action of external force and are connected with the lead wires 4. According to the LED point light source lamp, the needle-shaped electrodes are adopted to puncture lead wire insulation layers to be electrically connected with the lead wires, so that the power is obtained, and a traditional mode that electric soldering iron is used for welding the lead wires on the light source plate electrodes is improved; and the light source plate is fixed on the lamp body through the electrodes, so that the trouble caused by screw fixation is avoided, meanwhile, free adjustment for lamp intervals during cascade connection is further facilitated, and decorative requirements of the building with a special structure are met.
Description
Technical field
The utility model relates to a kind of lighting, particularly relates to a kind of building brightening and decorates with LED spot light light fixture.
Background technology
In recent years, along with China's economy and society's fast development, in order to represent the unique charm in city, city illumination no longer be take single function path illumination as main, and the decorative lighting of building is also more and more come into one's own.
At present, decorate on the market and have following shortcoming with LED spot light light fixture: 1, employing electric iron wire bonds on the electrode of the PCB of light fixture light source board.Adopt the easily company's of the causing weldering of electric iron welding manner, rosin joint and solder joint are excessive causes the quality problems such as electrical safety distance is inadequate, and between the replacing of lamp body and light fixture, the adjustment of position is loaded down with trivial details, and underaction is convenient, has strengthened installation and maintenance cost; 2, adopt key screw PCB light source board to be fixed on lamp body, install relative trouble.
Utility model content
The purpose of this utility model will overcome above-mentioned shortcoming exactly, a kind of LED spot light light fixture that adopts brand-new connecting structure for electrical equipment is provided, avoided adopting welding manner to connect the defect of light fixture light source board and wire, be convenient to the dismounting of light fixture and the adjustment of luminaire spacing, can also facilitate being connected and fixed of light source board and lamp body simultaneously.
For realizing this object, the technical solution adopted in the utility model is LED spot light light fixture, it comprises lamp body 3, and lamp body 3 is movably connected on base 6, and light source board 7 is set on described lamp body 3, LED lamp pearl 2 and drive circuit are set on light source board 7, it is characterized in that, the crossed beam trunking 8 for 4 outlets of light source board wire is set between lamp body 3 and base 6, and conductive electrode 5 is drawn in light source board 7 bottoms, conductive electrode 5 enters crossed beam trunking 8 under external force, and is connected with wire 4.
Described lamp body 3 is flexibly connected with lampshade 1; The described external force being applied on conductive electrode 5 refers to: lampshade 1 is pressed downwards and pressed lamp body 3 in assembling process, the conductive electrode 5 of light source board 7 bottoms is moved downward and enter crossed beam trunking 8, and be connected with wire 4.
Described lamp body 3 and lampshade 1 are for being threaded or buckle is connected.
Described lampshade 1 has four symmetrical point-like projections around.
Described conductive electrode 5 is needle prick shape structure, and conductive electrode 5 is connected and refers to wire 4: needle prick shape conductive electrode punctures after the insulating barrier of wire 4 and its electrical connection.
Described lamp body 3 is flexibly connected by buckle mode with base 6.
The illuminating circuit that described drive circuit comprises filter circuit and is connected with filter circuit.
Described filter circuit is RC filter circuit; In RC filter circuit, resistance R 4 is connected in parallel with electrochemical capacitor C1, the first ceramic condenser C2, is connected in series with Zener diode Z1; And on Zener diode Z1, be also parallel with the second ceramic condenser C3.
Described illuminating circuit comprises the three-color LED light pearl being connected in parallel, and each LED lamp pearl access drives in chip U1.
In described drive circuit, also comprise the holding circuit being connected with illuminating circuit with filter circuit, described holding circuit consists of resettable fuse PTC and transient voltage suppressor diode TVS.
Compared to the prior art, the utlity model has following advantage: adopt needle prick shape electrode to puncture the mode power taking of wire insulation and wire electrical connection, improved use electric iron wire bonds the traditional method on light source board electrode; Light source board is fixed on lamp body by electrode, has removed from and has adopted the trouble being screwed, and freely the adjusting of light fixture and luminaire spacing while simultaneously having further facilitated cascade, has met the demand of special construction decorating building.
Accompanying drawing explanation
Fig. 1 is the profile at the middle part of LED light fixture of the present utility model.
Fig. 2 is the schematic diagram of the lampshade of LED light fixture of the present utility model.
Fig. 3 is the schematic diagram of the lamp body of LED light fixture of the present utility model.
Fig. 4 is the schematic diagram of the base of LED light fixture of the present utility model.
Fig. 5 is the electrical schematic diagram of LED light fixture of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
Refer to Fig. 1 to Fig. 4, the utility model comprises lampshade 1, LED lamp pearl 2, lamp body 3, wire 4, electrode 5, base 6, light source board 7, crossed beam trunking 8 and internal drive circuits.Described LED lamp pearl 2 electrical connections are on light source board 7, and the electric electrode 5 that is connected with in light source board 7 bottoms, is embedded in electrode 5 in lamp body 3, and light source board 7 will be fixed on lamp body 3 simultaneously, and electrode 5 is embedded in after lamp body 3, and electrode 5 enters in crossed beam trunking 8; Wire 4 is positioned in the crossed beam trunking of base 6; Adopt internal threads and external screw thread to screw mode lampshade 1 and lamp body 3 and fix, to described base 6, apply the insulated hull that external force makes described electrode 5 puncture described wire 4 and be connected to wire power taking, adopt buckle modes to fix described lamp body 3 and described base 6 simultaneously.
Described lampshade 1 and lamp body 3 also can adopt attaching type to be connected and fixed.
At described lampshade 1, design four symmetrical point-like projections around, can increase the frictional force between hand and described lampshade 1, further facilitate described lampshade 1 is tightened on lamp body 3.
Described electrode 5 adopts needle prick shape structure, can further facilitate the insulating barrier connection wire power taking that described electrode 5 punctures wire 4.
Between described base 6 and described lamp body 3, adopt fastening type structure to be connected and fixed, can further facilitate dismounting.
For further realizing the adjustment of luminaire spacing, meet the demand that special construction building lighting is decorated, described lamp body 3 is separated from base 6, then select the base 6 of suitable interval, the base 6 at lamp body 3 and suitable interval place is fastened, and the insulated hull that makes described electrode 5 puncture wire 4 is connected to wire power taking.
In order further to realize the voltage stabilizing to drive circuit, current limliting, realizes and provides pure direct current to described driving chip U1, as shown in Figure 5, has designed holding circuit in drive circuit, filter circuit and illuminating circuit.Described holding circuit consists of resettable fuse PTC and transient voltage suppressor diode TVS; Described illuminating circuit consists of LED light emitting diode and the driving chip U1 of three kinds of glow colors of red, green, blue, and described driving chip model is TM1804.Described filter circuit is by electrochemical capacitor C1, the first ceramic condenser C2, and the second ceramic condenser C3, Zener diode Z1 and resistance R 4 form, for driving the vdd terminal of chip U1 that normal direct-current working volts are provided.Being described in detail as follows of described internal drive circuits: one end of resettable fuse PTC connects power supply VCC end, the negative electrode of another termination transient voltage suppressor diode TVS, the plus earth of transient voltage suppressor diode TVS; One end of current-limiting resistance Rb connects one end of resettable fuse PTC and the negative electrode of transient voltage suppressor diode TVS, the other end connects the anode of LED light emitting diode B1, the negative electrode of described LED light emitting diode B1 connects the anode of LED light emitting diode B2, the negative electrode of described B2 connects the anode of LED light emitting diode B3, and the negative electrode of described LED light emitting diode B3 connects the out3 port that drives chip U1; One end of current-limiting resistance Rg connects one end of PTC and the negative electrode of TVS, the other end connects the anode of LED light emitting diode G1, the negative electrode of described LED light emitting diode G1 connects the anode of LED light emitting diode G2, the negative electrode of described LED light emitting diode G2 connects the anode of LED light emitting diode G3, and the negative electrode of described LED light emitting diode G3 connects the out2 port of described driving chip U1; One end of current-limiting resistance Rr connects one end of resettable fuse PTC and the negative electrode of transient voltage suppressor diode TVS, the other end connects the anode of LED light emitting diode R1, the negative electrode of described LED light emitting diode R1 connects the anode of LED light emitting diode R2, the negative electrode of described LED light emitting diode R2 connects the anode of LED light emitting diode R3, and the negative electrode of described LED light emitting diode R3 connects the out1 port that drives chip U1.The SET end of described driving chip U1 is unsettled, and DIN end connects the signal end of controller, and DO end drives the described DIN end of chip, GND port ground connection for cascade light fixture.Described LED light emitting diode B1, B2 and B3 are blue led light emitting diode, described LED light emitting diode G1, G2 and G3 are green LED light emitting diode, described LED light emitting diode R1, R2 and R3 are red LED light emitting diode, the resistance of described current-limiting resistance Rb, Rg and Rr can be calculated by formula (VCC-3*VF)/IF, wherein VF is described LED light emitting diode forward voltage drop, and IF is described LED lamp pearl forward current.One end of described electrochemical capacitor C1 and the first ceramic condenser C2 is connected one end of described resettable fuse PTC and the negative electrode of transient voltage suppressor diode TVS, and the other end connects anode, the second ceramic condenser C3 and the ground connection of described Zener diode Z1; One end of described resistance R 4 connects the negative electrode of resettable fuse PTC and transient voltage suppressor diode TVS, the other end connects negative electrode, the second ceramic condenser C3 of described Zener diode Z1 and drives the vdd terminal mouth of chip U1, the vdd terminal mouth of one end of one end contact resistance R4 of the negative electrode of described Zener diode Z1 and the second ceramic condenser C3 and driving chip U1, the other end ground connection of the anode of Zener diode Z1 and the second ceramic condenser C3.
When normal current by or element during in normal environment temperature, resettable fuse PTC is in low resistive state; In circuit, there is abnormal current to pass through or when environment temperature raises, resettable fuse PTC is high-impedance state, thereby cut off electric current, plays a protective role.When environment temperature returns to normal temperature, it gets back to low resistive state.When the two ends of transient voltage suppressor diode TVS are subject to reverse high energy impact events, can be at a terrific speed, make the high-impedance state of oneself two interpolar become low-resistance, absorb surge power.And resettable fuse PTC is because stream super-high-current resistance raises and cuts off rapidly whole circuit.The circuit protection illuminating circuit and the filter circuit that by resettable fuse PTC and the common cooperation of transient voltage suppressor diode TVS, are formed.
Claims (10)
1.LED spot light light fixture, it comprises lamp body (3), lamp body (3) is movably connected on base (6), light source board (7) is set on described lamp body (3), LED lamp pearl (2) and drive circuit are set on light source board (7), it is characterized in that: the crossed beam trunking (8) for light source board wire (4) outlet is set between lamp body (3) and base (6), conductive electrode (5) is drawn in light source board (7) bottom, conductive electrode (5) enters crossed beam trunking (8) under external force, and is connected with wire (4).
2. LED spot light light fixture according to claim 1, is characterized in that: described lamp body (3) is flexibly connected with lampshade (1); The described external force being applied on conductive electrode (5) refers to: lampshade (1) is pressed downwards and pressed lamp body (3) in assembling process, the conductive electrode (5) of light source board (7) bottom is moved downward and enter crossed beam trunking (8), and be connected with wire (4).
3. LED spot light light fixture according to claim 2, is characterized in that: described lamp body (3) and lampshade (1) are for being threaded or buckle is connected.
4. LED spot light light fixture according to claim 2, is characterized in that: described lampshade (1) has four symmetrical point-like projections around.
5. LED spot light light fixture according to claim 1, it is characterized in that: described conductive electrode (5) is for needle prick shape structure, and conductive electrode (5) is connected and refers to wire (4): needle prick shape conductive electrode punctures after the insulating barrier of wire (4) and its electrical connection.
6. LED spot light light fixture according to claim 1, is characterized in that: described lamp body (3) is flexibly connected by buckle mode with base (6).
7. LED spot light light fixture according to claim 1, is characterized in that: the illuminating circuit that described drive circuit comprises filter circuit and is connected with filter circuit.
8. LED spot light light fixture according to claim 7, is characterized in that: described filter circuit is RC filter circuit; In RC filter circuit, resistance (R4) is connected in parallel with electrochemical capacitor (C1), the first ceramic condenser (C2), is connected in series with Zener diode (Z1); And on Zener diode (Z1), be also parallel with the second ceramic condenser (C3).
9. LED spot light light fixture according to claim 7, is characterized in that: described illuminating circuit comprises the three-color LED light pearl being connected in parallel, and each LED lamp pearl access drives in chip (U1).
10. according to claim 7 or according to Claim 8 or LED spot light light fixture according to claim 9; it is characterized in that: in described drive circuit, also comprise the holding circuit being connected with illuminating circuit with filter circuit, described holding circuit consists of resettable fuse (PTC) and transient voltage suppressor diode (TVS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110502.5U CN203784685U (en) | 2014-03-12 | 2014-03-12 | Led point light source lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110502.5U CN203784685U (en) | 2014-03-12 | 2014-03-12 | Led point light source lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784685U true CN203784685U (en) | 2014-08-20 |
Family
ID=51320869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420110502.5U Expired - Fee Related CN203784685U (en) | 2014-03-12 | 2014-03-12 | Led point light source lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913208A (en) * | 2014-03-12 | 2015-09-16 | 河南新飞利照明科技有限责任公司 | Led point light source lamp |
| CN105042370A (en) * | 2015-07-24 | 2015-11-11 | 中山市科贝照明科技有限公司 | Integrated LED point light source |
-
2014
- 2014-03-12 CN CN201420110502.5U patent/CN203784685U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913208A (en) * | 2014-03-12 | 2015-09-16 | 河南新飞利照明科技有限责任公司 | Led point light source lamp |
| CN105042370A (en) * | 2015-07-24 | 2015-11-11 | 中山市科贝照明科技有限公司 | Integrated LED point light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150312 |
|
| EXPY | Termination of patent right or utility model |