CN202769388U

CN202769388U - Led lamp tube

Info

Publication number: CN202769388U
Application number: CN2012204835158U
Authority: CN
Inventors: 遇中宏; 刘进财; 曾伟菁; 郭子文
Original assignee: Justenergy Technology Corp
Current assignee: Justenergy Technology Corp
Priority date: 2012-07-27
Filing date: 2012-09-20
Publication date: 2013-03-06
Anticipated expiration: 2022-09-20
Also published as: TWM442462U

Abstract

The utility model discloses a LED fluorescent tube, it is applied to the lamp stand that has the ballast, the utility model discloses a light-emitting module, first controller and second controller. The light-emitting module is electrically connected to the ballast through the first controller and the second controller, so that the ballast outputs a power signal to the LED lamp tube, and the first controller or the second controller adjusts the power signal output by the ballast, so that the light-emitting module receives the power signal to emit light. Therefore, LED lamp manufacturers do not need to adjust or change the existing lamp holders, and research and development cost of the LED lamp manufacturers can be reduced. The utility model provides a can be applied to solar energy direct current electric power system's LED fluorescent tube in addition.

Description

The LED fluorescent tube

Technical field

The utility model relates to a kind of design of lighting apparatus, particularly about a kind of design of LED fluorescent tube.

Background technology

With regard to existing daylight lamp fixture, must install ballast at lamp socket, and be installed on fluorescent tube on the lamp socket and be electrically connected at ballast, external power source is converted to the electric power of high frequency and high pressure by ballast, in order to activate fluorescent tube, and after fluorescent tube was lighted, continuing provided stabling current to fluorescent tube, makes fluorescent tube that illumination is provided.

Yet the service life of fluorescent lamp is not long, and especially in the frequency that opens and closes place comparatively frequently, its loss is very fast.And because fluorescent tube receives ac signal, therefore when luminous, can produce flicker, cause the problem of user's eyes discomfort.

Since light emitting diode (Light Emitting Diode; LED) since the development, because itself luminous characteristic is the illumination that is applied to directive property at the beginning, for example: the status indicator lamp of the machinery equipment in the factory, or the use of the traffic lights such as traffic lights.But because LED has advantages of that efficient is high, power consumption is low, the life-span is long, reliability is high, reaction speed is fast and failure rate is low, add the now raising of environmental consciousness, so the LED lamp transfers room lighting to from traditional directive property illumination gradually, to replace existing daylight lamp fixture.

Although LED has above-mentioned various advantages, but because the popularity rate of existing fluorescent lamp is quite high, and LED lamp and fluorescent lamp are on the structural design and neither identical on the circuit, therefore, if replace existing fluorescent lamp with the LED lamp, just whole group of daylight lamp fixture must be removed, and be replaced with the LED light fixture, time-consuming taking a lot of work not only, cost is also high.If so the LED lamp directly is installed on existing daylight lamp holder, then can causes the LED lamp to burn from the different of project organization because of circuit.

Therefore, the LED lamp that how to overcome above-mentioned prior art can't directly be installed on the problem of existing daylight lamp holder, has become in fact the problem of desiring most ardently at present solution.

The utility model content

In view of the defective of above-mentioned prior art, the utility model discloses a kind of LED fluorescent tube, can't directly be installed on the problem of existing daylight lamp holder to solve the LED fluorescent tube.

LED fluorescent tube provided by the utility model is applied to have the lamp socket of ballast, and this LED fluorescent tube comprises light emitting module, the first controller and second controller.This light emitting module has first end and the second relative end, this first controller is arranged on the first end of this light emitting module, this second controller is arranged on the second end of this light emitting module, so that this light emitting module is electrically connected this ballast by this first controller or second controller.Wherein, this first controller or this second controller come from the electric power signal parameter of this ballast in order to adjustment, and are sent to this light emitting module, and be luminous so that this light emitting module receives electric power signal after adjusting.

Preferably, this first controller also comprises the first capacitor cell, the first rectification unit and the first choke unit, and this first rectification unit is connected between this first capacitor cell and this first choke unit.

Preferably, this first controller has altogether pin of the first pin, the second pin, the 3rd pin and first, this the first pin is electrically connected the first end of this light emitting module, and this second pin and the 3rd pin are electrically connected this ballast, and this first common pin is electrically connected this second controller.

Preferably, this first rectification unit is rectifier.

Preferably, this second controller also comprises the second capacitor cell, the second rectification unit and the second choke unit, and this second rectification unit is connected between this second capacitor cell and this second choke unit.

Preferably, this second controller has altogether pin of the 4th pin, the 5th pin, the 6th pin and second, the 4th pin is electrically connected the second end of this light emitting module, and the 5th pin and the 6th pin are electrically connected this ballast, and this second common pin is electrically connected this first controller.

Preferably, this light emitting module has illuminator, and this illuminator is mutually connected by a plurality of light emitting diodes and formed.

Preferably, these a plurality of light emitting diodes are connected and the form that forms is mated this ballast and this lamp socket mutually.

The utility model provides a kind of LED fluorescent tube in addition, is applied to the solar DC power system, and this LED fluorescent tube comprises light emitting module, has the illuminator that is comprised of a plurality of light emitting diodes, and this light emitting module has first end and the second relative end.

Preferably, this illuminator is mutually connected by a plurality of light emitting diodes and is formed.

Preferably, these a plurality of light emitting diodes are connected and the form that forms is mated this solar DC power system mutually.

As from the foregoing, LED fluorescent tube provided by the utility model, owing in fluorescent tube, having the first controller and second controller, therefore capable of regulating comes from the electric power signal of this ballast, to convert the receivable electric energy of lighting module in the LED fluorescent tube to, it is luminous so that this lighting module receives electric power signal after adjusting, also therefore so that the utility model can existing daylight lamp holder be removed need not, or change under the prerequisite of its structure, directly the LED fluorescent tube is installed on existing daylight lamp holder, not only simple and convenient in the replacing operation, also can save meaningless expenditure.And it is all applicable that the utility model is not limited to the ballast kind, and electronic type or inductance type all can.

Description of drawings

Fig. 1 is the utility model LED fluorescent tube and ballast connection diagram;

Fig. 2 is the internal structure schematic diagram of the first controller and second controller; And

Fig. 3 is the connection diagram of LED fluorescent tube of the present utility model.

Fig. 4 is the schematic diagram of another embodiment of the utility model LED fluorescent tube.

The primary clustering symbol description

1 LED fluorescent tube

10 light emitting modules

101 first ends

102 second ends

103 illuminators

11 first controllers

111 first pins

112 second pins

113 the 3rd pins

114 first are total to pin

115 capacitor cells

116 rectification units

117 current limliting unit

12 second controllers

121 the 4th pins

122 the 5th pins

123 the 6th pins

124 second are total to pin

2 ballasts

20a, 20b, 20c, 20d contact

3 LED fluorescent tubes

30 light emitting modules

301 first ends

302 second ends

303 illuminators

31 solar DC power systems.

The specific embodiment

Below by particular specific embodiment embodiment of the present utility model is described, those skilled in the art can understand other advantage of the present utility model and effect easily by content disclosed in the present specification.

Notice, the appended graphic structure that illustrates of this specification, ratio, size etc., equal contents in order to cooperate specification to disclose only, understanding and reading for those skilled in the art, be not to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and get in the scope that can contain.Simultaneously, quote in this specification as " one ", " two ", " on " etc. term, also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.

See also Fig. 1, be the utility model LED fluorescent tube and ballast connection diagram.As shown in the figure, LED fluorescent tube 1 of the present utility model is electrically connected at the ballast 2 of daylight lamp holder (scheming not formula), and is luminous to receive electric power that ballast 2 exported.

LED fluorescent tube 1 of the present utility model comprises light emitting module 10, the first controller 11 and second controller 12.Light emitting module 10 has the second end 102 that first end 101 reaches with respect to this first end 101, the first controller 11 is arranged on the first end 101 of light emitting module 10, the electric power signal that comes from the electric power of ballast 2 in order to adjustment makes light emitting module 10 receive electric power signal after adjusting and luminous.Second controller 12 is arranged on the second end 102 of light emitting module 10, comes from the electric power signal of the electric power of ballast 2 in order to adjustment, makes light emitting module 10 receive electric power signal after adjusting and luminous.

Ballast 2 shown in Figure 1 is the ballast of general daylight lamp holder, come from the voltage of the AC power of civil power and output high-power in order to reception to activate fluorescent tube, and stable output voltage gives fluorescent tube after fluorescent tube activates, fluorescent tube continue to be received come from the electric power of ballast 2 and luminous, and because the both ends of general fluorescent tube have respectively two pins, therefore ballast 2 has four

contact

20a, 20b, 20c, 20d, is electrically connected for fluorescent tube.

The first controller 11 has the first pin 111, the second pin 112 and the 3rd pin 113, the first pin 111 of the first controller 11 is electrically connected at the first end 101 of light emitting module 10, the second pin 112 and the 3rd pin 113 are electrically connected at contact 20a, the 20b of ballast 2, to adjust 2 output power signals of ballast, make light emitting module 10 receive electric power signal after adjusting and luminous.In addition, the first controller 11 also has first and is total to pin 114, is electrically connected second controller 12.

Second controller 12 has the 4th pin 121, the 5th pin 122 and the 6th pin 123, the 4th pin 121 of second controller 12 is electrically connected at the second end 102 of light emitting module 10, the 5th pin 122 and the 6th pin 123 are electrically connected at contact 20a, the 20b of ballast 2, to adjust 2 output power signals of ballast, make light emitting module 10 receive electric power signal after adjusting and luminous.In addition, second controller 12 also has second and is total to pin 124, is electrically connected the first controller 11.

Light emitting module 10 has illuminator 103, illuminator 103 is in series mutually by a plurality of light emitting diodes (LED), these a plurality of light emitting diodes are connected mutually and the form that forms is mated this ballast and this lamp socket, and the quantity that the light emitting diode of this illuminator 103 is connected can determine according to magnitude of voltage.That is to say, can determine by the magnitude of voltage of illuminator 103 quantity of the light emitting diode of series connection, for example, if the first controller 11 or second controller 12 are 7 volts of direct currents adjusting the electric power of exporting behind the electric power signal, and the rated electrical of each LED is 0.7 volt, and then the illuminator 103 LED quantity of connecting is 10.In addition, the quantity of illuminator 103 in LED fluorescent tube 1 is not what fix, can be according to the specification of the brightness demand of different lighting environments or daylight lamp fixture and more than one illuminator 103 is set, when the quantity of illuminator 103 is more, the brightness that light emitting module 10 produces is just higher, and is to be coupled to each other with parallel way between each illuminator 103, as shown in Figure 1, avoiding when 103 damage of arbitrary illuminator, cause the situation that light emitting module 10 can't be luminous.And the parallel way of the series system of aforementioned light emitting diode and illuminator 103 is matched with the specification of daylight lamp fixture.Although it is parallel with one another to draw two illuminators 103 in Fig. 1, the quantity of illuminator 103 only is the explanation of embodiment, when not limiting category of the present utility model with this.

It should be noted that, although LED fluorescent tube 1 of the present utility model has the first controller 11 and second controller 12, but the first controller 11 and second controller 12 be the electric power signal of capable of regulating ballast 2 all, and the electric power signal after will adjusting transmits and gives light emitting module 10, that is to say, the electric power that ballast 2 is exported can be by the first controller 11 or second controller 12 one of them adjust its electric power signal and can make light emitting module 10 receive electric power signal after adjusting and luminous, therefore, even the first controller 11 or second controller 12 one of them damage, still can adjust electric power signal by another, wherein, this electric power signal comprises voltage, electric current and interchange turn direct current.

Seeing also Fig. 2, is the internal structure schematic diagram of the first controller.The first controller 11 comprises capacitor cell 115, rectification unit 116 and current limliting unit 117.Rectification unit 116 is electrically connected between capacitor cell 115 and the current limliting unit 117, and rectification unit 116 is in parallel with the first capacitor cell 115, and connects with this current limliting unit 16.Capacitor cell 115 can be electrochemical capacitor, ceramic condenser, semicoductor capacitor, mos capacitance or tantalum matter electric capacity etc., can be considered the state of short circuit when utilizing it to operate in high-frequency ac, and operate in the characteristic that low-frequency ac can be considered open circuit, the high voltage and the higher-order of oscillation that are produced with filtering ballast 2.

Rectification unit 116 can be rectifier or semiconductor, and it is connected with parallel way with capacitor cell 115, is DC voltage in order to the ac voltage rectifier that ballast is exported.Rectifier is comprised of four fast diodes or Schottky diode (Schottky Barrier Diode).

Current limliting unit 117 is in series with rectification unit 116, it produces DC current accordingly in order to the DC voltage of exporting according to rectification unit 116, the current value of being exported to reduce the first controller 11, wherein, current-limiting resistance can be resistance, photo resistance, thermistor, semiconductor element or variable resistor etc.

About second controller 12 of the present utility model, second controller 12 also comprises another group capacitor cell, rectification unit and choke unit, because structure, connection relationship and the action principle of another group capacitor cell, rectification unit and choke unit of second controller 12 of the present utility model are identical with capacitor cell 115, rectification unit 116 and the current limliting unit 117 of the first controller 11, therefore seldom give unnecessary details at this.

See also Fig. 3, be the connection diagram of LED fluorescent tube of the present utility model.As shown in the figure, LED fluorescent tube 1 of the present utility model is not for interconnecting one to one between LED fluorescent tube and the ballast 2, also can be connected in ballast 2 by a plurality of LED fluorescent tubes 1, wherein, can series system between a plurality of LED fluorescent tubes 1 connect, after also can parallel way connecting, be connected with ballast 2 again, and because the connected mode of serial or parallel connection between a plurality of LED fluorescent tubes 1, and the connected mode of LED fluorescent tube 1 and ballast 2 illustrated as above, therefore do not give unnecessary details at this.

See also Fig. 4, be the schematic diagram of another embodiment of the utility model LED fluorescent tube.The LED fluorescent tube 3 of the present embodiment can be applicable to solar DC power system 31, and LED fluorescent tube 3 comprises light emitting module 30, and light emitting module 30 has first end 301, the second end 302 and illuminator 303.First end 301 and the second end 302 are connected in solar DC power system 31, make the electric power of 12 ~ 48 volts of the direct currents of solar DC power system 31 be sent to light emitting module 30, then the illuminator 303 of light emitting module 30 can receive the electric power that comes from solar DC power system 31 and be luminous.Because the LED fluorescent tube 3 applied solar energy direct current power systems 31 of the present embodiment, therefore, LED fluorescent tube 3 need not the conversion by controller, can directly receive the direct current power of solar DC power system 31 and luminous.

Above-described embodiment is only in order to illustrative principle of the present utility model and effect thereof, but not is used for restriction the utility model.Any those skilled in the art all can under spirit of the present utility model and category, make amendment to above-described embodiment.So rights protection scope of the present utility model, should be listed such as claims.

Claims

1. LED fluorescent tube is applied to have the lamp socket of ballast, it is characterized in that, this LED fluorescent tube comprises:

Light emitting module has first end and the second relative end;

The first controller, it is arranged on the first end of this light emitting module; And

Second controller, it is arranged on the second end of this light emitting module, and wherein, this first controller or this second controller come from the electric power signal of this ballast in order to adjustment, make this light emitting module receive electric power signal after adjusting and luminous.

2. LED fluorescent tube according to claim 1 is characterized in that, this first controller also comprises the first capacitor cell, the first rectification unit and the first choke unit, and this first rectification unit is connected between this first capacitor cell and this first choke unit.

3. LED fluorescent tube according to claim 1, it is characterized in that, this first controller has altogether pin of the first pin, the second pin, the 3rd pin and first, this the first pin is electrically connected the first end of this light emitting module, and this second pin and the 3rd pin are electrically connected this ballast, and this first common pin is electrically connected this second controller.

4. LED fluorescent tube according to claim 2 is characterized in that, this first rectification unit is rectifier.

5. LED fluorescent tube according to claim 1 is characterized in that, this second controller also comprises the second capacitor cell, the second rectification unit and the second choke unit, and this second rectification unit is connected between this second capacitor cell and this second choke unit.

6. LED fluorescent tube according to claim 1, it is characterized in that, this second controller has altogether pin of the 4th pin, the 5th pin, the 6th pin and second, the 4th pin is electrically connected the second end of this light emitting module, the 5th pin and the 6th pin are electrically connected this ballast, and this second common pin is electrically connected this first controller.

7. LED fluorescent tube according to claim 1 is characterized in that, this light emitting module has illuminator, and this illuminator is mutually connected by a plurality of light emitting diodes and formed.

8. LED fluorescent tube according to claim 7 is characterized in that, these a plurality of light emitting diodes are connected mutually and the form that forms is mated this ballast and this lamp socket.

9. a LED fluorescent tube is applied to the solar DC power system, it is characterized in that, should

The LED fluorescent tube comprises:

Light emitting module has the illuminator that is comprised of a plurality of light emitting diodes, and this illuminator has first end and the second relative end.

10. LED fluorescent tube according to claim 9 is characterized in that, this illuminator is mutually connected by a plurality of light emitting diodes and formed.

11. LED fluorescent tube according to claim 10 is characterized in that, these a plurality of light emitting diodes are connected mutually and the form that forms is mated this solar DC power system.