CN202165856U

CN202165856U - LED (light-emitting diode) daylight lamp

Info

Publication number: CN202165856U
Application number: CN2011202108845U
Authority: CN
Inventors: 赖荣模
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-21
Filing date: 2011-06-21
Publication date: 2012-03-14
Anticipated expiration: 2021-06-21

Abstract

The utility model relates to an LED (light-emitting diode) daylight lamp, which comprises a lamp holder, an aluminum base plate and an LED lamp tube, wherein the aluminum base plate is fixed in the LED lamp tube; the LED lamp tube is fixed on the lamp holder; the aluminum base plate is provided with at least a group of LED lamps 11 which are connected in series; the aluminum base plate is further provided with four diodes Da, Db, Dc and Dd; an electric contact, the diode Da, the LED lamps connected in series, the diode Db and the other electric contact on the aluminum base plate are connected to form a disconnected circuit by a conducting wire; and the other electric contact on the aluminum base plate, the diode Dd, the LED lamps connected in series, the diode Dc and the electric contact on the aluminum base plate are connected to form a disconnected circuit by the conducting wire. The LED daylight lamp is flexible to use and convenient to maintain.

Description

A kind of LED fluorescent lamp

Technical field

The utility model relates to a kind of light fixture, specifically, relates to a kind of LED fluorescent lamp.

Background technology

Along with the development of society, the energy shortage that seems all the more, so people to the requirement of electrical equipment not only requiring its quality, also require its energy-conserving and environment-protective.The LED lamp of low energy consumption is come in people's the life as a kind of cold light source electrical equipment gradually, and uses in various occasions.The electric composite set of general LED fluorescent lamp can be divided into by the power supply mounting means: two kinds of built-in and externals; Built-in power formula LED fluorescent lamp, it is inner that driving power is installed in the LED fluorescent tube with the aluminium base that LED lamp grain is installed, like this when the LED fluorescent tube is installed; Need not other installing drive power supply on the LED lamp bracket; Install simple, be convenient for changing, but that the heat dissipation capacity of the LED fluorescent tube of this situation requires is bigger, because the LED fluorescent tube is except dispelling the heat to the heat that LED lamp grain sends; Also need the heat that built-in driving power sends be dispelled the heat; So the bigger unique design that needs of heat dissipation capacity of LED fluorescent tube, otherwise can have influence on device radiation, and then have influence on the service life of LED fluorescent lamp; Next is that power supply is installed in LED fluorescent tube inside simultaneously with the aluminium base that LED lamp grain is installed, and is not easy to the dismounting maintenance.External power supply formula LED fluorescent lamp is installed in the fluorescent tube outside with driving power, though design is avoided particular design is carried out in the heat radiation of LED fluorescent tube like this; But when fluorescent tube is installed, should be noted that installation direction, because: the output of driving power is electrically connected with the mount pad that is used to the LED fluorescent tube is installed of lamp bracket both sides respectively; Therefore the mount pad of lamp bracket both sides has positive-negative polarity; Need the cathode and anode directions of fluorescent tube is corresponding with the cathode and anode directions of lamp bracket when fluorescent tube is installed, if both positive and negative polarity has connect instead, the LED lamp is with regard to cisco unity malfunction; Also can cause certain infringement simultaneously, influence its service life the LED lamp.

Summary of the invention

The utility model has solved the deficiency of prior art, and a kind of LED fluorescent lamp is provided, and this LED fluorescent lamp adopts external power supply formula structure, and fluorescent tube can not have the installation direction of noting when installing, and is quick and easy for installation.

The technical scheme that the utility model adopts is:

A kind of LED fluorescent lamp comprises lamp bracket, aluminium base and LED fluorescent tube; The two ends of lamp bracket are respectively equipped with the mount pad that is used to install the LED fluorescent tube; Aluminium base is provided with the LED lamp grain of at least one group of series connection; Also be provided with 4 diode Da, Db, Dc, Dd on the aluminium base; An electrical pickoff on the aluminium base is connected with the anode of diode Da; The negative electrode of diode Da is connected with the current input terminal of LED lamp grain of every group of series connection, and the current output terminal of every group of LED lamp grain of connecting is connected with the anode of diode Db, and the negative electrode of diode Db is connected with another electrical pickoff on the aluminium base; Another electrical pickoff on the said aluminium base is connected with the anode of diode Dd; The negative electrode of diode Dd is connected with the current input terminal of the LED lamp grain of every group of series connection; The current output terminal of LED lamp grain of every group of series connection is connected with the anode of diode Dc, and the negative electrode of diode Dc is connected with a electrical pickoff on the said aluminium base; Aluminium base is fixed in the LED fluorescent tube, and two electrical pickofves on the aluminium base are electrically connected with the lamp socket of LED lamp tube ends respectively, and the LED fluorescent tube is plugged on the mount pad of lamp bracket and the lamp socket of LED lamp tube ends is electrically connected with the mount pad at lamp bracket two ends respectively.

As preferably, lamp bracket is provided with constant-current controller, and two outputs of constant-current controller are electrically connected with the mount pad at lamp bracket two ends respectively.

As preferably, also be provided with power supply on the lamp bracket, power supply is fixed on the lamp bracket, and the output of power supply is electrically connected with the supply terminals of constant-current controller.

As preferably, also be provided with barostat on the lamp bracket, the output of barostat is electrically connected with the supply terminals of constant-current controller.

As preferably, said LED fluorescent tube comprises lampshade, aluminium base holder and said lamp socket, and lampshade is transparent arc; The cross section semicircular in shape of lampshade; The aluminium base holder comprises the heat sink of arc, and the cross section semicircular in shape of heat sink also is provided with the aluminium base fixed head between the two sides of the heat sink of arc; The two sides of heat sink to internally extending projection, are formed for installing the draw-in groove of aluminium base respectively between aluminium base fixed head and the projection; The heat sink of arc cooperates with the lampshade of arc and forms cylindrical drum, and the lamp socket socket also is fixed on the two ends of cylindrical drum.

As preferably, the outside of heat sink is provided with fin.

The beneficial effect that the utility model is obtained is: a kind of LED fluorescent lamp comprises lamp bracket, aluminium base and LED fluorescent tube; The two ends of lamp bracket are respectively equipped with the mount pad that is used to install the LED fluorescent tube; Aluminium base is provided with the LED lamp grain of at least one group of series connection; Also be provided with 4 diode Da, Db, Dc, Dd on the aluminium base; An electrical pickoff on the aluminium base is connected with the anode of diode Da; The negative electrode of diode Da is connected with the current input terminal of LED lamp grain of every group of series connection, and the current output terminal of every group of LED lamp grain of connecting is connected with the anode of diode Db, and the negative electrode of diode Db is connected with another electrical pickoff on the aluminium base; Another electrical pickoff on the said aluminium base is connected with the anode of diode Dd; The negative electrode of diode Dd is connected with the current input terminal of the LED lamp grain of every group of series connection; The current output terminal of LED lamp grain of every group of series connection is connected with the anode of diode Dc, and the negative electrode of diode Dc is connected with a electrical pickoff on the said aluminium base; Aluminium base is fixed in the LED fluorescent tube, and two electrical pickofves on the aluminium base are electrically connected with the lamp socket of LED lamp tube ends respectively, and the LED fluorescent tube is plugged on the mount pad of lamp bracket and the lamp socket of LED lamp tube ends is electrically connected with the mount pad at lamp bracket two ends respectively.Through 4 diodes are set on aluminium base; Make two electrical pickofves on the aluminium base need only and power connection; Just can let be fixed on the LED lamp grain operate as normal on the aluminium base, the polarity that two electrical pickofves are connected in the circuit can not impact the circuit at LED lamp grain place; Thereby make the lamp socket of lamp tube ends no longer have positive-negative polarity, the lamp socket of lamp tube ends can be pegged graft with the mount pad at lamp bracket two ends with changing arbitrarily.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the LED fluorescent tube and the aluminium base assembly structure sketch map of the utility model.

Fig. 3 is the aluminium base front schematic view of the utility model.

Fig. 4 is the circuit diagram of the utility model aluminium base.

Reference numeral is among the figure:

1---lamp bracket 2---constant-current controller 3---barostat

4---mount pad 5---lampshade 6---heat sinks

7---lamp socket 8---aluminium base fixed head 9---projections

10---aluminium base 11---LED lamp grain 12---diode Da

13---diode Dc 14---diode Db 15---diode Dd

16---fin A, B are respectively two electrical pickofves on the aluminium base.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explanation.

Implement: 1:

Shown in Fig. 1 ~ 4, a kind of LED fluorescent lamp comprises lamp bracket 1, aluminium base 10 and LED fluorescent tube; The two ends of lamp bracket 1 are respectively equipped with the mount pad 4 that is used to install the LED fluorescent tube; Aluminium base 10 is provided with the LED lamp grain 11 of many group series connection; Also be provided with 4 diode Da, Db, Dc, Dd on the aluminium base 10; Like Fig. 3, shown in 4, an electrical pickoff A on the aluminium base 10 is connected with the anode of diode Da12, and the negative electrode of diode Da12 is connected with the current input terminal of the LED lamp grain 11 of every group of series connection; The current output terminal of LED lamp grain 11 of every group of series connection is connected with the anode of diode Db14, and the negative electrode of diode Db14 is connected with another electrical pickoff B on the aluminium base 10; Another electrical pickoff B on the said aluminium base 10 is connected with the anode of diode Dd15; The negative electrode of diode Dd15 is connected with the current input terminal of the LED lamp grain 11 of every group of series connection; The current output terminal of LED lamp grain 11 of every group of series connection is connected with the anode of diode Dc13, and the negative electrode of Dc is connected with an electrical pickoff A on the said aluminium base 10; Aluminium base 10 is fixed in the LED fluorescent tube; Two electrical pickofves on the aluminium base 10 are electrically connected with the lamp socket 7 of LED lamp tube ends respectively, and the LED fluorescent tube is plugged on the mount pad 4 of lamp bracket 1 and the lamp socket 7 of LED lamp tube ends is electrically connected with the mount pad 4 at lamp bracket 1 two ends respectively.

During work, the mount pad 4 at lamp bracket 1 two ends is electrically connected with the both positive and negative polarity of power supply respectively, and two electrical pickofves on the aluminium base 10 are electrically connected with the both positive and negative polarity of power supply respectively through mount pad 4, lamp socket 7; 1, is connected with the positive electrical of power supply as electrical pickoff A; When electrical pickoff B is connected with the negative electricity of power supply; Electric current flow through successively LED lamp grain 11, the diode Db14 of electrical pickoff A, diode Da12, every group of series connection are back to the negative pole of power supply again from electrical pickoff B, form closed loop.2, be connected with the positive electrical of power supply as electrical pickoff B; When electrical pickoff A is connected with the negative electricity of power supply; Electric current flow through successively LED lamp grain 11, the diode Dc13 of electrical pickoff B, the diode Dd15 that flows through, every group of series connection are back to the negative pole of power supply again from electrical pickoff A, form closed loop.

Through 4 diodes are set on aluminium base 10; Make two electrical pickofves on the aluminium base 10 need only and power connection; Just can let be fixed on LED lamp grain 11 operate as normal on the aluminium base 10, the polarity that two electrical pickofves are connected in the circuit can not impact the circuit at LED lamp grain 11 places; Thereby make the lamp socket 7 of lamp tube ends no longer have a directionality, the lamp socket 7 of lamp tube ends can be pegged graft with the mount pad 4 at lamp bracket 1 two ends with changing arbitrarily.

The utility model LED fluorescent lamp adopts package assembly simultaneously, and the lamp bracket 1, the aluminium base 10 that has LED lamp grain 11, the LED fluorescent tube that constitute the utility model LED fluorescent lamp are all independent relatively, and part exchanging is convenient, is convenient to maintenance.

Further, lamp bracket 1 is provided with constant-current controller 2, and two outputs of constant-current controller 2 are electrically connected with the mount pad 4 at lamp bracket 1 two ends respectively.

During use, the supply terminals of constant-current controller 2 is electrically connected with power supply, through constant-current controller 2 is set, the electric current that has the circuit of LED lamp grain 11 on the aluminium base 10 that can guarantee to flow through is in a metastable value.When aluminium base 10 is changed; Mounted LEDs lamp grain 11 quantity maybe be different on the different aluminium bases 10; Therefore different aluminum substrate 10 required voltage values are different, are in constant voltage if just guarantee the voltage between 10 two electrical pickofves of aluminium base, when changing aluminium base 10; Possibly cause replacing aluminium base 10 undesirable, and cause LED lamp cisco unity malfunction; Every group of quantity that is installed in the LED lamp grain 11 on the aluminium base 10 is the same simultaneously; After in circuit, constant-current controller 2 being installed; As long as it is the same to be installed in the group number of LED lamp grain 11 of the series connection on the aluminium base 10; The electric current of LED lamp grain 11 of every group of series connection of flowing through changes very little, can not have influence on the normal use of LED lamp.

Further, also be provided with barostat 3 on the lamp bracket 1, the output of barostat 3 is electrically connected with the supply terminals of constant-current controller 2.

Through barostat 3 is set, make that whole device can external residential electricity consumption, barostat 3 changes into low-voltage DC with the alternating current of 100-240V and supplies the LED lamp to use.

Further, said LED fluorescent tube comprises lampshade 5, aluminium base holder and is positioned at the lamp socket 7 of LED lamp tube ends that lampshade 5 is transparent arc; The cross section semicircular in shape of lampshade 5; The aluminium base holder comprises the heat sink 6 of arc, and the cross section semicircular in shape of heat sink 6 also is provided with aluminium base fixed head 8 between the two sides of the heat sink 6 of arc; The two sides of heat sink 6 to internally extending projection 9, are formed for installing the draw-in groove of aluminium base 10 respectively between aluminium base fixed head 8 and the projection 9; The heat sink 6 of arc cooperates with the lampshade 5 of arc and forms cylindrical drum, and lamp socket 7 sockets also are fixed on the two ends of cylindrical drum.

The whole LED fluorescent tube adopts package assembly, and aluminium base 10 is nested in the draw-in groove that forms between aluminium base fixed head 8 and the projection 9, is convenient to aluminium base 10 and installs and fixes, and also is convenient to repair and replacement simultaneously.

Further, the outside of heat sink 6 is provided with fin 16.Design fin 16 helps the heat radiation of heat sink 6, helps improving the power of LED fluorescent lamp.

Embodiment 2:

A kind of LED fluorescent lamp, its structure is basic identical with embodiment 1, and its difference is: barostat 3 is replaced with power supply, and power supply is fixed on the lamp bracket 1, and the output of power supply is electrically connected with the supply terminals of constant-current controller 2.

Through being set, external power supply directly the energy is provided for LED lamp operate as normal.

Further, also be provided with switch in the circuit loop that power supply, constant-current controller 2, aluminium base 10 constitute.Whether control the LED lamp through switch works.

Should be noted that at last; Above embodiment is only in order to explain the technical scheme of the utility model; But not to the restriction of the utility model protection domain, although with reference to preferred embodiment the utility model has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technical scheme of the utility model, and not break away from the essence and the scope of the utility model technical scheme.

Claims

1. a LED fluorescent lamp comprises lamp bracket, aluminium base and LED fluorescent tube; The two ends of lamp bracket are respectively equipped with the mount pad that is used to install the LED fluorescent tube; Aluminium base is provided with the LED lamp grain of at least one group of series connection; It is characterized in that: also be provided with 4 diodes (Da, Db, Dc, Dd) on the aluminium base; Electrical pickoff (A) on the aluminium base is connected with the anode of diode (Da); The negative electrode of diode (Da) is connected with the current input terminal of LED lamp grain of every group of series connection, and the current output terminal of every group of LED lamp grain of connecting is connected with the anode of diode (Db), and the negative electrode of diode (Db) is connected with another electrical pickoff (B) on the aluminium base; Another electrical pickoff (B) on the said aluminium base is connected with the anode of diode (Dd); The negative electrode of diode (Dd) is connected with the current input terminal of the LED lamp grain of every group of series connection; The current output terminal of LED lamp grain of every group of series connection is connected with the anode of diode (Dc), and the negative electrode of diode (Dc) is connected with a electrical pickoff (A) on the said aluminium base; Aluminium base is fixed in the LED fluorescent tube, and two electrical pickofves on the aluminium base are electrically connected with the lamp socket of LED lamp tube ends respectively, and the LED fluorescent tube is plugged on the mount pad of lamp bracket and the lamp socket of LED lamp tube ends is electrically connected with the mount pad at lamp bracket two ends respectively.

2. a kind of LED fluorescent lamp according to claim 1, it is characterized in that: lamp bracket is provided with constant-current controller, and two outputs of constant-current controller are electrically connected with the mount pad at lamp bracket two ends respectively.

3. a kind of LED fluorescent lamp according to claim 2 is characterized in that: also be provided with power supply on the lamp bracket, power supply is fixed on the lamp bracket, and the output of power supply is electrically connected with the supply terminals of constant-current controller.

4. a kind of LED fluorescent lamp according to claim 2 is characterized in that: also be provided with barostat on the lamp bracket, the output of barostat is electrically connected with the supply terminals of constant-current controller.

5. a kind of LED fluorescent lamp according to claim 1; It is characterized in that: said LED fluorescent tube comprises lampshade, aluminium base holder and said lamp socket; Lampshade is transparent arc, the cross section semicircular in shape of lampshade, and the aluminium base holder comprises the heat sink of arc; The cross section semicircular in shape of heat sink; Also be provided with the aluminium base fixed head between the two sides of the heat sink of arc, the two sides of heat sink to internally extending projection, are formed for installing the draw-in groove of aluminium base respectively between aluminium base fixed head and the projection; The heat sink of arc cooperates with the lampshade of arc and forms cylindrical drum, and the lamp socket socket also is fixed on the two ends of cylindrical drum.

6. a kind of LED fluorescent lamp according to claim 5, it is characterized in that: the outside of heat sink is provided with fin.