CN204704694U - LED illumination lamp - Google Patents

Abstract

The utility model discloses a kind of LED illumination lamp, it comprises: fluorescent tube, be sheathed on fluorescent tube two lamp holders, be contained in the light source assembly in described fluorescent tube and be contained in a lamp holder and the driving power be connected with lamp holder and light source assembly, one end of described driving power realizes being connected with being coordinated by grafting between described light source assembly, and the other end of described driving power realizes being connected by single core rigid line with the lamp holder of the described driving power of collecting.Connection between the driving power that the utility model provides and lamp holder and light source assembly is reliable, firm.

Description

LED Lighting Fixtures

technical field

The utility model belongs to the technical field of lighting, in particular to an LED lighting fixture.

Background technique

As a new type of green light source product, LED has attracted people's attention because of its advantages of energy saving, environmental protection and long service life. At present, LED lighting has been widely used in the field of production and living lighting, especially LED lamps have gradually replaced traditional lighting fixtures and entered ordinary homes. The main structure of the LED lamp tube includes four parts: light source board, driving power supply, lamp tube and lamp holder.

In the current existing technology, the connection between the driving power supply and the light source board is generally through manual welding. This connection method requires a lot of time and manpower, and the stability of the connection is poor, and the solder joints are easy to fall off, which is easy to damage the product. .

In addition, please refer to Fig. 1, the driving power and the copper needle 21 in the lamp cap are directly connected through the ring terminal 22 at the end of the wire 20, and the ring terminal 22 is fixed on the insulating cover of the lamp cap, because the insulating cover itself is plastic The aging makes the connection between the ring terminal 22 and the insulating cover poor in stability, resulting in the connection between the wire 20 and the copper pin 21 being unreliable.

Therefore, there is a problem of poor connection stability between the driving power supply, the lamp holder and the light source board in the prior art.

Utility model content

The purpose of the utility model is to solve the above problems and provide an LED lighting fixture with reliable connection between internal components.

In order to achieve the above purpose, the utility model provides an LED lighting fixture, which includes: a lamp tube, two lamp caps sleeved on the lamp tube, a light source assembly accommodated in the lamp tube, and a lamp cap The drive power connected to the lamp holder and the light source assembly, one end of the drive power supply is connected to the light source assembly through plug-in fit, and the other end of the drive power supply is connected to the lamp holder containing the drive power supply through a single-core hard drive. line to connect.

Further, the driving power supply includes a printed circuit board provided with a plug portion, and the light source assembly is provided with a socket connector for receiving the plug portion.

Further, the lamp cap includes an insulating cover and two copper needles arranged on the insulating cover, one end of the single-core hard wire is riveted to the copper needle, and the other end of the single-core hard wire is welded to the on the printed circuit board.

Further, the copper needle is in the shape of a hollow tube, and the part of the single-core hard wire extending into the copper needle is riveted with the copper needle.

Further, the LED lighting fixture also includes a fuse accommodated in another lamp cap, and the other lamp cap includes two copper pins, and the two ends of the fuse are respectively riveted to the two copper pins.

Further, the light source assembly includes a substrate, a plurality of LED lighting units arranged on the substrate, and the socket connector is installed on the substrate.

Further, the plug part is a golden finger structure.

In order to achieve the above purpose, the utility model also provides an LED lighting fixture, which includes: a lamp tube, two lamp caps sleeved on the lamp tube, a light source assembly accommodated in the lamp tube and respectively accommodated in the two Two driving power sources in one lamp cap and connected to the light source component, the connection between the driving power source and the light source component is achieved through plug-in fit, and one lamp cap of the two lamp caps is connected to the driving power source through a single-core hard drive line to connect.

Further, each of the driving power sources is provided with a plug portion, and the light source assembly is provided with two socket connectors for receiving the plug portion.

Further, one of the two lamp caps includes an insulating cover and two copper needles arranged on the insulating cover, one end of the single-core hard wire is riveted to the copper needle, and the single-core hard wire The other end is soldered to the printed circuit board.

The utility model provides an LED lighting lamp. The connection between the copper needle of the lamp head and the single-core hard wire is realized by riveting. The plug-in fit realizes the connection. Since both the single-core hard wire and the copper needle are made of metal, the connection between the single-core hard wire and the copper needle is relatively stable and not easy to loosen. In addition, the plug portion of the printed circuit board of the driving power is limited by the insulating body of the socket connector and the resisting force of the conductive terminals, so that the connection between the driving power and the light source assembly is relatively stable.

To sum up, the connection between the drive power supply in the LED lighting fixture provided by the utility model, the lamp holder and the light source assembly is reliable and stable.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached picture:

FIG. 1 is a view of the connection between the drive power supply (not shown) and the lamp holder through wires in the existing LED lighting fixture;

Fig. 2 is an exploded view of the LED lighting fixture of the first embodiment of the present invention;

3 is a schematic diagram of the light source assembly in the LED lighting fixture of the first embodiment of the present invention;

Fig. 4 is a schematic diagram of the incomplete connection between the lamp cap and the driving power supply in the LED lighting fixture of the first embodiment of the present invention;

5 is a cross-sectional view of a lamp holder in the LED lighting fixture of the first embodiment of the present invention after it is fully connected to the driving power supply;

Fig. 6 is a schematic diagram of another lamp cap connected to a fuse in the LED lighting fixture of the first embodiment of the present invention;

Fig. 7 is the sectional view of Fig. 6;

Fig. 8 is an exploded view of the LED lighting fixture of the second embodiment of the present invention;

Fig. 9 is a schematic diagram of the light source assembly in the LED lighting fixture according to the second embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the present utility model clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments of the utility model and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to FIG. 2 and in combination with FIG. 5 , an LED lighting fixture 100 provided by the first embodiment of the present utility model includes a lamp tube 11 , two lamp holders 12 sleeved at both ends of the lamp tube 11 , and a light source housed in the lamp tube 11 The assembly 13 and the driving power source 14 housed in a lamp holder 12 and connected to the lamp holder 12 and the light source assembly 13 .

The following will specifically describe the components of the LED lighting fixture 100 according to the first embodiment of the present invention and their connection relationship with each other.

Please refer to FIG. 2 , the lamp tube 11 is in the shape of a round tube and can be made of polycarbonate (Polycarbonate, PC) material. The lamp tube 11 is provided with a receiving space (not shown) for receiving the light source assembly 13 .

Please refer to Fig. 2, Fig. 4 to Fig. 7, the lamp cap 12 is in the shape of a cylindrical shell and is made of engineering plastics, specifically nylon, polycarbonate, ABS and other materials. The lamp holder 12 includes an insulating cover 120 and a copper needle 121 disposed on the insulating cover 120 , and the insulating cover 120 and the copper needle 121 can be combined by assembly or embedded molding. The insulating cover 120 can be sleeved on both sides of the lamp tube 11, and the two can be fixedly connected by means of glue, buckle or screw connection. The copper needle 121 is in the shape of a hollow tube, and the LED lighting fixture 100 is connected to an external power supply through the copper needle 121 .

Referring to FIG. 3 , the light source assembly 13 includes a substrate 130 , a plurality of LED light emitting units 131 disposed on the substrate 130 , and a socket connector 132 assembled on the substrate 130 .

Several LED light emitting units 131 shown in FIG. 3 are arranged in a straight line on the substrate 130 , but the arrangement is not limited thereto. For example, the LED light emitting units 131 may also be arranged in multiple rows or in an S shape. The LED light emitting unit 131 may be in the form of a packaged chip or a die, and is mounted on the substrate 130 by a surface mount technology (Surface Mount Technology, SMT).

The socket connector 132 is disposed on one side of the substrate 130 , and the socket connector 132 is also installed on the substrate 130 by SMT. The receptacle connector 132 includes an insulating body (not shown) having a receiving cavity 133 and a plurality of conductive terminals (not shown) installed in the insulating body.

In the first embodiment of the present utility model, the drive power supply 14 refers to the electronic control device connected between the alternating current (AC) or direct current (DC) power supply outside the lighting device and the light-emitting diode as the light source, for providing the light-emitting diode with The desired current or voltage (e.g. constant current, constant voltage or constant power, etc.). Referring to Fig. 2, Fig. 4 and Fig. 5, the driving power supply 14 includes a printed circuit board 141 and one or more components mounted on the printed circuit board and electrically connected together by wiring. Examples of these components include but are not limited to LED driver controller chips, rectifier chips, resistors, capacitors, fuses and coils, etc.

The electrical connection between the driving power supply 14 and the copper pin 121 of the lamp cap 12 can be realized through wires, and the wires are single-core hard wires 15 made of metal. The single core hard wire 15 can be a copper clad steel wire or a tinned copper wire. One end of the single-core hard wire 15 is soldered to the printed circuit board 141 of the driving power supply 14 , and the other end is riveted and connected to the copper pin 121 . The part of the single-core hard wire 15 extending into the copper needle 121 is connected with the copper needle 121 by riveting. It should be noted that part of the single-core hard wire 15 extending out of the copper needle 121 shown in FIG. 5 will be cut off after the single-core hard wire 15 is riveted to the copper needle 121 . Since both the single-core hard wire 15 and the copper needle 121 are made of metal, the connection stability after the two are riveted is high. Therefore, one end of the driving power supply 14 is connected to the lamp holder 12 containing the driving power supply 14 through a single-core hard wire 15 .

What needs to be emphasized here is that the printed circuit board 141 of the driving power supply 14 is provided with a plug portion 142 that is mated with the socket connector 132 on the light source assembly 13. Inside the housing cavity 133 of the device 132. When the driving power supply 14 is assembled with the light source assembly 13, the plug portion 142 of the printed circuit board 141 of the driving power supply 14 is directly inserted into the receiving chamber 133 of the socket connector 132 of the light source assembly 13, thereby realizing a connection between the driving power supply 14 and the light source assembly 13. electrical connection. In addition, after the plug portion 142 of the printed circuit board 141 of the driving power supply 14 is accommodated in the receiving cavity 133, it is limited by the insulating body of the receptacle connector 132 and the resistance force of the conductive terminals accommodated in the insulating body, so that the driving power 14 and A relatively stable connection is also realized between the light source components 13 . Therefore, the connection between the other end of the driving power supply 14 and the light source assembly 13 is achieved through plug-in fit.

Please refer to Fig. 6 and Fig. 7, the drive power supply 14 is not provided in the lamp cap 12 assembled on the other side of the lamp tube 11, and the two copper pins 121 of the lamp cap 12 are connected together by a fuse 16, and the two ends of the fuse 16 extend into The part inside the copper needle 121 is connected with the copper needle by riveting. Part of the fuse 16 shown in FIG. 6 and FIG. 7 extending out of the copper pin 121 will be cut off after the single-core hard wire 15 is riveted to the copper pin 121 .

Please refer to Fig. 8, an LED lighting fixture 100' provided by the second embodiment of the present invention, which includes: a lamp tube 11', two lamp holders 12' sleeved at both ends of the lamp tube 11', and accommodated in the lamp tube 11 The light source assembly 13' inside the 'and two driving power sources 14' respectively housed in the two lamp holders 12' and connected to the light source assembly 13'.

It should be further explained that the electrical connection between the driving power source 14' accommodated in the lamp cap 12' at one end and the lamp cap 12' is realized through a single-core hard wire 15'. The drive power 14' contained in the lamp cap 12' at the other end is not connected to the corresponding lamp cap 12', and the two copper pins (not marked) in the lamp cap 12' at the other end are connected together through a fuse 16', and the fuse 16' The parts extending into the copper needle at the two ends are riveted and connected with the copper needle.

Referring to FIG. 9, the light source assembly 13' includes a substrate 130', a plurality of LED light emitting units 131' disposed on the substrate 130', and a socket connector 132' assembled on the substrate 130'. The two receptacle connectors 132' are respectively disposed at both ends of the substrate 130', and the receptacle connectors 132' can also be installed on the substrate 130' by SMT or through hole mounting technology (THT).

The receptacle connector 132' includes an insulating body (not shown) having a receiving cavity 133' and a conductive terminal 134' accommodated in the insulating body and welded to the base 130'.

The connection method between the single-core hard wire 15' and the copper needle in the lamp cap 12', the connection method between the driving power supply 14' and the light source assembly 13' are the same as those described in the first embodiment of the present invention, and will not be repeated here. .

Compared with the LED lighting fixture 100 provided in the first embodiment of the present utility model, the LED lighting fixture 100' includes two driving power sources 14' respectively arranged in the lamp holder 12', and correspondingly, the substrate 130' is provided with two A socket connector 132' matched with a driving power supply 14'.

The utility model provides an LED lighting lamp. The connection between the copper needle of the lamp head and the single-core hard wire is realized by riveting. The plug-in fit realizes the connection. Since both the single-core hard wire and the copper needle are made of metal, the connection between the single-core hard wire and the copper needle is relatively stable and not easy to loosen. In addition, the plug portion of the printed circuit board of the driving power is limited by the insulating body of the socket connector and the resisting force of the conductive terminals, so that the connection between the driving power and the light source assembly is relatively stable.

To sum up, the connection between the drive power supply in the LED lighting fixture provided by the utility model, the lamp holder and the light source assembly is reliable and stable.

The specific examples described above have further described the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above descriptions are only specific embodiments of the utility model and are not intended to limit the utility model. For new models, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims (10)

1. a LED illumination lamp, it comprises: fluorescent tube, be sheathed on fluorescent tube two lamp holders, be contained in the light source assembly in described fluorescent tube and be contained in a lamp holder and the driving power be connected with lamp holder and light source assembly, it is characterized in that: one end of described driving power realizes being connected with being coordinated by grafting between described light source assembly, and the other end of described driving power realizes being connected by single core rigid line with between the lamp holder of accommodating described driving power.

2. LED illumination lamp as claimed in claim 1, it is characterized in that, described driving power comprises the printed circuit board (PCB) being provided with intercalation part, and described light source assembly is provided with the socket connector of accommodating described intercalation part.

3. LED illumination lamp as claimed in claim 2, it is characterized in that, described lamp holder comprises insulation lid and is arranged at two copper pins on insulation lid, and one end of described single core rigid line is riveted on described copper pin, and the other end of described single core rigid line is welded on described printed circuit board (PCB).

4. LED illumination lamp as claimed in claim 3, it is characterized in that, described copper pin is hollow tubular, and the part that described single core rigid line extends in described copper pin is riveted with described copper pin.

5. LED illumination lamp as claimed in claim 1, it is characterized in that, described LED illumination lamp also comprises a fuse be contained in another lamp holder, and another lamp holder described comprises two copper pins, and the two ends of described fuse are riveted on described two copper pins respectively.

6. LED illumination lamp as claimed in claim 2, is characterized in that, described light source assembly comprises substrate, the some LED luminescence units be arranged on described substrate, described socket connector is installed on described substrate.

7. LED illumination lamp as claimed in claim 2, it is characterized in that, described intercalation part is golden finger structure.

8. a LED illumination lamp, it comprises: fluorescent tube, be sheathed on fluorescent tube two lamp holders, be contained in the light source assembly in described fluorescent tube and be contained in respectively in described two lamp holders and two driving powers be connected with light source assembly, it is characterized in that: coordinated by grafting between described driving power with described light source assembly and realize being connected, a lamp holder in described two lamp holders realizes being connected by single core rigid line with described driving power.

9. LED illumination lamp as claimed in claim 8, it is characterized in that, each described driving power is provided with intercalation part, and described light source assembly is provided with two socket connectors of the described intercalation part of collecting.

10. LED illumination lamp as claimed in claim 8, it is characterized in that, a lamp holder in described two lamp holders comprises insulation lid and is arranged at two copper pins on insulation lid, one end of described single core rigid line is riveted on described copper pin, and the other end of described single core rigid line is connected to described driving power.