CN202195326U - LED (light-emitting diode) lamp tube - Google Patents
LED (light-emitting diode) lamp tube Download PDFInfo
- Publication number
- CN202195326U CN202195326U CN2011203584707U CN201120358470U CN202195326U CN 202195326 U CN202195326 U CN 202195326U CN 2011203584707 U CN2011203584707 U CN 2011203584707U CN 201120358470 U CN201120358470 U CN 201120358470U CN 202195326 U CN202195326 U CN 202195326U
- Authority
- CN
- China
- Prior art keywords
- led
- led lamp
- phase bridge
- lamp
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to the LED (light-emitting diode) lighting field and discloses an LED lamp tube. The LED lamp tube comprises an LED lamp panel, a heat dissipation metal tube, two lamp holders and a lamp shade, wherein a single-phase bridge type rectification circuit and an LED output load circuit are fixed on the LED lamp panel, the alternating current input end of the single-phase bridge type rectification circuit is electrically and respectively connected with thimbles on the lamp caps to connect an external alternating current power supply, a load resistor and an LED output load circuit are commonly connected with the direct current output end of the single-phase bridge type rectification circuit in parallel, the LED output load circuit comprises LED lamp sets which are connected in series, and constant current diodes, and all the constant current diodes are respectively connected between the anode of the direct-current output end of the single-phase bridge type rectification circuit and all LEDs in the first LED lamp set in series. No individual LED driving module is needed, and external alternating-current signals are directly led to the LED lamp panel so as to be beneficial to simplifying the product structure and reducing the production cost.
Description
Technical Field
The utility model relates to a LED illumination field especially relates to a LED fluorescent tube.
Background
LED lighting is a new environmental protection light source emerging at present, and is listed as a key development project by the nation and widely popularized due to the advantages of light effect and low power consumption.
The LED lamp tube in the prior art mainly comprises a light-transmitting tube, an LED lamp panel inside the light-transmitting plate and a power supply driving module, the power supply driving module is connected with ejector pins and wires, which are used for connecting external alternating current, at two ends of a lamp holder, and a switching power supply is arranged on the power supply driving module and can convert the externally input alternating current into direct current suitable for the LED lamp panel.
Because the noise signal that switching power supply produced in the current conversion process is great, so need when carrying out the current design with the independent modular design of power drive module, then with its holding in the tip space of the LED lamp plate back or LED lamp plate.
In the research process of the invention, the following defects of the LED lamp tube in the prior art are found:
1. due to the design of the independent module of the switching power supply, the LED lamp panel and the power supply driving module need to be manufactured respectively in the process of manufacturing products, so that the labor cost and the component cost of manufacturing are high.
2. The problem of placing the power driving module is also a great difficulty in restricting the design, manufacture and assembly of the product, and certain difficulty exists in the actual manufacture.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a first aim at provides a LED fluorescent tube, it need not solitary LED drive module, and realizes direct introduction outside alternating current signal to LED lamp plate, is favorable to simplifying the structure and the reduction in production cost of product.
The embodiment of the utility model provides a pair of LED fluorescent tube, characterized by, include: the LED lamp comprises an LED lamp panel, a heat dissipation metal tube, two lamp caps and a lampshade; wherein,
the LED lamp panel is arranged in a cavity formed by the lampshade and the heat dissipation metal tube;
the two lamp holders are respectively fixed at two end parts of the lampshade, ejector pins are respectively fixed on the two lamp holders, and each ejector pin can be electrically connected with a power input end of an external lamp holder;
a single-phase bridge rectifier circuit and an LED output load circuit are fixed on the LED lamp panel, wherein,
the alternating current input end of the single-phase bridge rectifier circuit is respectively electrically connected with the thimble on the lamp holder to be connected with an external alternating current power supply,
a load resistor and the LED output load circuit are connected in parallel between the direct current output ends of the single-phase bridge rectifier circuit,
the LED output load circuit includes: LED lamp sets connected in series, and a plurality of the constant current diodes,
each LED lamp group consists of a plurality of LEDs connected in parallel,
each constant current diode is respectively connected in series: and the positive electrode of the direct current output end of the single-phase bridge rectifier circuit is connected with each LED in the first group of LED lamp groups.
Optionally, a plurality of voltage-stabilizing tubes are also included,
each voltage-stabilizing tube is respectively connected in parallel between two groups of LED lamp groups which are connected in series,
the anode of each voltage-stabilizing tube is electrically connected with the current cathode in the LED output load circuit, and the cathode of each voltage-stabilizing tube is electrically connected with the current anode in the LED output load circuit.
Optionally, a plurality of voltage-stabilizing tubes are also included,
and the voltage-stabilizing tubes are respectively connected in series between each constant current diode and each LED in the first group of LED lamp groups, wherein the negative electrode of each voltage-stabilizing tube is respectively and electrically connected with the negative electrode of each constant current diode.
Optionally, the filter capacitor is connected in parallel between the dc output terminals of the single-phase bridge rectifier circuit.
Optionally, a pressure sensitive resistor is also included,
the piezoresistor is connected in parallel between the direct current output ends of the single-phase bridge rectifier circuit.
Optionally, a thimble is respectively arranged on each lamp holder,
and the LED lamp panel is fixedly provided with the single-phase bridge type rectifying circuit.
Optionally, two thimbles are respectively arranged on each lamp cap,
two single-phase bridge rectifier circuits are fixed on the LED lamp panel,
the alternating current input end of one single-phase bridge type rectifying circuit is electrically connected with two thimbles on the two lamp holders and is used for accessing an external alternating current signal;
the alternating current input end of the other single-phase bridge type rectifying circuit is electrically connected with the other two thimbles on the two lamp holders and is used for accessing another path of external alternating current signals;
the output ends of the two single-phase bridge rectification circuits are respectively connected through wires.
Optionally, the cross-sectional area of the lampshade is semicircular, the longitudinal opening of the lampshade is provided with a ridge on each of the two inner walls of the longitudinal opening of the lampshade,
the cross section of the heat dissipation metal pipe is semicircular, and two sides of the outer wall of the heat dissipation metal pipe are respectively provided with a groove;
the two convex edges of the lampshade are respectively limited in the two grooves of the heat dissipation metal tube to form the cavity for accommodating the LED lamp panel.
Optionally, the cross-sectional area of the lampshade is circular ring-shaped,
the cross section of heat dissipation tubular metal resonator is semicircle annular to be located the inside of lamp shade the top of heat dissipation tubular metal resonator and be formed with the holding between the lamp shade the cavity of LED lamp plate.
From top to bottom, use the utility model discloses technical scheme is provided with single-phase bridge rectifier circuit on the LED lamp plate, carries out bridge rectifier and output direct current signal with external input's alternating current signal through single-phase bridge rectifier circuit, because the mode that adopts single-phase bridge rectifier in this embodiment converts alternating current into direct current, and it is for the mode that adopts the dc-to-ac converter conversion among the prior art, and the noise interference that adopts this embodiment technique to produce is littleer, so in this embodiment with the direct LED lamp plate of introducing of external alternating current become can implement.
In addition, a constant current diode is connected in series between the positive electrode of the dc output terminal of the single-phase bridge rectifier circuit and each LED in the first LED lamp group of the LED lamp groups, each of the cross current diodes rectifies the dc current input to the LED by the single-phase bridge rectifier circuit to provide a constant current to all the LEDs behind the cross current diode, and the LEDs emit light under electric drive to realize illumination. Because the current input to the LEDs is constant, the working stability of each LED is high, the light emitting is stable, and the service life of the LED lamp tube is prolonged.
In addition, on the LED lamp plate of this embodiment, LED output load circuit's including: the LED lamp comprises an LED lamp group and a plurality of constant current diodes which are connected in series. Each LED lamp group consists of a plurality of LEDs connected in parallel, and each constant current diode is connected in series between the anode of the direct current output end of the single-phase bridge rectifier circuit and each LED in the first LED lamp group in the LED lamp groups. The damage of any LED can not influence the normal work of other LEDs in the use process, the luminous effect and the service life of the LED lamp tube can be further ensured, and the condition that one LED is damaged in a point shape to cause a dark area on the LED lamp tube is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:
fig. 1 is a schematic view of an assembly structure of an LED lamp provided in embodiment 1 of the present invention;
fig. 2 is a schematic view of the appearance structure of the finished product shown in fig. 1 in embodiment 1 of the present invention;
fig. 3 is a schematic diagram of a circuit principle of a first LED lamp panel provided in embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a circuit principle of a second LED lamp panel provided in embodiment 1 of the present invention;
fig. 5 is a schematic diagram of a circuit principle of a third LED lamp panel provided in embodiment 1 of the present invention;
fig. 6 is a schematic diagram of a circuit principle of a fourth LED lamp panel provided in embodiment 1 of the present invention;
fig. 7 is a schematic view of an assembly structure of another LED lamp provided in embodiment 2 of the present invention;
fig. 8 is a schematic diagram of the appearance structure of the finished product shown in fig. 7 in embodiment 2 of the present invention.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.
Example 1:
referring to fig. 1 to 6, the LED lamp provided in this embodiment mainly includes an LED lamp panel 101, a heat dissipation metal tube 102, two lamp caps 103, and a lamp cover 104. The assembly relationship is as follows:
the LED lamp panel 101 is disposed in a cavity formed by the lamp shade 104 and the heat dissipation metal tube 102, and as shown in fig. 1, in this embodiment, a cavity for accommodating the LED lamp panel 101 is formed by fastening the semicircular lamp shade 104 and the semicircular heat dissipation metal. The method specifically comprises the following steps:
two opposite ribs 1041 are arranged on the inner wall of the lower opening of the lampshade 104 with a semicircular and longitudinal cross section, and the two ribs 1041 extend along the longitudinal direction of the lampshade 104;
two opposite grooves 1021 are formed in the outer portion of the heat dissipation metal tube 102 with a semicircular cross section, when the LED lamp panel 101 is assembled, the LED lamp panel 101 is fixed on a plane of a semicircular end face of the heat dissipation metal tube 102, then the lamp shade 104 and two convex ridges 1041 at the end portion of the heat dissipation metal tube 102 are aligned to the two grooves 1021 in the outer portion of the heat dissipation metal tube 102 respectively, the lamp shade 104 is pushed longitudinally, the lamp shade 104, the convex ridges 1041 of the heat dissipation metal tube 102 and the grooves 1021 are completely limited longitudinally, and at the moment, the LED lamp panel 101 is located in a cavity between the upper lamp shade 104 and the lower heat dissipation metal tube 102.
After the lampshade 104, the lamp tube and the LED lamp panel 101 inside the lamp tube are assembled, the current input terminals on the LED lamp panel 101 are electrically connected to the connecting terminals on the two lamp caps 103 respectively through wires (for a specific circuit principle, see the following description and the schematic diagram of one of fig. 3, 4 or 5), and then the two lamp caps 103 are installed at the two end portions of the lamp caps 103 respectively to form the LED lamp tube with the shape shown in fig. 3.
Two outer ends of each lamp cap 103 are respectively fixed with a thimble 1031, and the thimble 1031 is electrically connected with an ac access end on the lamp cover 104 to access ac current; each thimble 1031 is electrically connected to a terminal at the inner end of the lamp holder 103, so that an external ac current can be connected to the power input terminal of the LED lamp panel 101 in this embodiment.
The heat dissipation metal tube 102 may be, but is not limited to, an aluminum metal tube 102, and the lamp cover 104 may be, but is not limited to, a PC lamp cover.
The LED lamp panel 101 is fixed with single-phase bridge rectifier circuits 301 and 302 and an LED output load circuit 303, wherein ac input terminals of the single-phase bridge rectifier circuits 301 and 302 are electrically connected to a pin 1031 on the lamp head 103 through a fuse F1, respectively, to receive an external ac current.
Referring to fig. 1 and 2, the circuit principle of the LED lamp panel 101 will be described in detail below by taking as an example a structure in which two pins 1031 may be provided on each base 103 as shown in fig. 1 and 2, and the four pins 1031 may be connected to two ac electrical signals, respectively.
The principle of the circuit on the LED lamp panel 101 can be seen in fig. 3 and 4:
be provided with two single-phase bridge rectifier circuit 301, 302 on the LED lamp plate 101, wherein the ac input end of a single-phase bridge rectifier circuit 301 is connected with wherein two thimble 1031 electricity on two lamp holders 103 for insert external ac signal all the way, the ac input end of another single-phase bridge rectifier circuit 302 is connected with two other thimble 1031 electricity on two lamp holders 103, is used for inserting another external ac signal, the direct current output terminal of two single-phase bridge rectifier circuit 301, 302 is the wire connection respectively: the positive output end is electrically connected with the positive output end, and the negative output end is electrically connected with the negative output end and is connected with a circuit at the rear end in parallel for power supply.
Two ends of the direct current output end of the single-phase bridge rectification circuit 301 and 302 are connected in parallel: a load resistor R1, and an LED output load circuit 303.
Wherein the LED output load circuit 303 comprises: a series-connected LED lamp set 304, and a plurality of constant current diodes CRD. The method comprises the following specific steps:
each LED lamp set 304 is composed of a plurality of LEDs connected in parallel, and each constant current diode CRD is connected in series between the positive electrode of the dc output terminal of the single-phase bridge rectifier circuit 301 or 302 and each LED in the first LED lamp set 304 in the LED lamp set 304.
It can be seen from above that, through set up single-phase bridge rectifier circuit on LED lamp plate 101 in this embodiment, carry out bridge rectifier with the externally input alternating current signal through single-phase bridge rectifier circuit and export direct current signal, because adopt single-phase bridge rectifier's mode to convert alternating current into direct current in this embodiment, it is for adopting the mode of inverter conversion among the prior art, the noise interference that adopts this embodiment technique to produce is littleer, so directly introduce LED lamp plate 101 with outside alternating current in this embodiment and become implementable.
In addition, a constant current diode CRD is connected in series between the positive electrode of the dc output terminal of the single-phase bridge rectifier circuit of the present embodiment and each LED in the first LED lamp group 304 of the LED lamp groups 304, each of the cross current diodes rectifies the dc current input to the LED by the single-phase bridge rectifier circuit to provide a constant current to all the LEDs after the cross current diode is input, and the LED emits light under electric drive to realize illumination. Because the current input to the LEDs is constant, the working stability of each LED is high, the light emitting is stable, and the service life of the LED lamp tube is prolonged.
In addition, on the LED lamp panel 101 of the present embodiment, the LED load current is set to the LED output load circuit 303 including: a LED lamp set 304 and a plurality of constant current diodes CRD connected in series. Each LED lamp set 304 is composed of a plurality of LEDs connected in parallel, and each constant current diode CRD is connected in series between the positive electrode of the dc output terminal of the single-phase bridge rectifier circuit 301, 302 and each LED in the first LED lamp set 304 in the LED lamp set 304. The damage of any LED can not influence the normal work of other LEDs in the use process, the luminous effect and the service life of the LED lamp tube can be further ensured, and the condition that one LED is damaged in a point shape to cause a dark area on the LED lamp tube is avoided.
In addition, in order to further improve the electrical stability of the LED lamp tube, a plurality of voltage-regulator tubes Z1 can be added, and the characteristic that the reverse voltage does not change along with the reverse current in a certain reverse current after the voltage-regulator tubes Z1 are reversely broken down is applied in the circuit, so that the voltage-regulator effect is realized in the circuit. The connections of a particular zener tube Z1 in the circuit can be seen in fig. 3, 4, 5, 6.
Referring to fig. 3 and 5, a voltage regulator tube Z1 is connected in parallel between each two LED lamp groups 304 connected in series, and the voltage regulator tube Z1 is connected in reverse to make each voltage regulator tube Z1 break down in reverse direction to perform the function of voltage regulation: the anode of each voltage regulator tube Z1 is electrically connected with the current cathode in the LED output load circuit 303, and the cathode is electrically connected with the current anode in the LED output load circuit 303.
Referring to fig. 4 and 6, the connection of the stabilivolt Z1 can also be made in the following way: each voltage regulator tube Z1 is respectively connected in series between each constant current diode CRD and each LED in the first group of LED lamp group 304, wherein each voltage regulator tube Z1 is connected in reverse to make each voltage regulator tube Z1 break down in reverse direction so as to play a role of voltage regulation: the cathode of each voltage-stabilizing tube Z1 is electrically connected with the cathode of each constant current diode CRD, and the anode is electrically connected with the anode of the LED connected behind the voltage-stabilizing tube Z1.
The voltage stabilizing diode is added, so that the stability of current and voltage for supplying power to the LED can be further improved, the working stability of the LED is improved, and the service life of the LED lamp tube is further prolonged.
In addition, as shown in fig. 3, 4, 5, and 6, in this embodiment, a filter electrolytic capacitor C1 may be further added to the dc output end of the single-phase bridge rectifier circuit 301 and 302 to filter out low-frequency noise in the output current, so as to improve the power supply stability of the LED load circuit, further facilitate improving the operating stability of the LED, and improve the service life of the LED lamp tube.
In addition, as shown in fig. 3, 4, 5, and 6, in this embodiment, a voltage dependent resistor RV1 and RV2 may be further connected in parallel to the dc output terminal of the single-phase bridge rectifier circuit 301, 302, respectively, and the resistance value of the voltage dependent resistor RV1 and RV2 may change according to the voltage drop of the dc signal output by the dc output terminal of the single-phase bridge rectifier circuit 301, 302, so as to ensure that the voltage drop of the dc signal output by the dc output terminal of the single-phase bridge rectifier circuit 301, 302 is kept within a certain range, which is further beneficial to improving the operating stability of the LED and prolonging the service life of the LED lamp tube.
Referring to fig. 5 and 6, the circuit principle of fig. 5 and 6 is different from that of fig. 3 and 4 in that: in fig. 5 and 6, only one ac input electrical signal is provided, and only one single-phase bridge rectifier circuit 401 is provided. The circuit principles shown in fig. 5 and 6 are applicable to the LED tube in the single pin 1031 base 103, while the circuit principles shown in fig. 3 and 4 are applicable to the LED tube in the double pin 1031 base 103.
Example 2:
referring to fig. 7 and 8, the present embodiment differs from embodiment 1 only in that:
in this embodiment, the shape and the assembly structure of the lamp cover 704 and the heat dissipation metal pipe 702 are different, and other circuit principles can be referred to the description of embodiment 1. The method comprises the following specific steps:
in this embodiment, the cross-sectional area of the lampshade 704 is circular, and the lampshade 704 is a circular lamp. The cross section of the heat dissipation metal pipe 702 is a semicircular ring.
During assembly, the LED lamp panel 701 may be assembled with the top of the plane of the semicircular heat dissipation metal tube 702, then the heat dissipation metal tube 702 is inserted into the cavity of the circular lamp tube and fixed, and finally the lamp caps 703 are installed at the two ends of the lamp tube as described in embodiment 1, so as to obtain the LED lamp tube with the shape shown in fig. 8.
This embodiment can produce the advantageous effects shown in embodiment 1 as compared with the prior art. Again, this is not described in further detail.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. An LED lamp tube is characterized by comprising: the LED lamp comprises an LED lamp panel, a heat dissipation metal tube, two lamp caps and a lampshade; wherein,
the LED lamp panel is arranged in a cavity formed by the lampshade and the heat dissipation metal tube;
the two lamp holders are respectively fixed at two end parts of the lampshade, ejector pins are respectively fixed on the two lamp holders, and each ejector pin can be electrically connected with a power input end of an external lamp holder;
a single-phase bridge rectifier circuit and an LED output load circuit are fixed on the LED lamp panel, wherein,
the alternating current input end of the single-phase bridge rectifier circuit is respectively electrically connected with the thimble on the lamp holder to be connected with an external alternating current power supply,
a load resistor and the LED output load circuit are connected in parallel between the direct current output ends of the single-phase bridge rectifier circuit,
the LED output load circuit includes: LED lamp sets connected in series, and a plurality of the constant current diodes,
each LED lamp group consists of a plurality of LEDs connected in parallel,
each constant current diode is respectively connected in series: and the positive electrode of the direct current output end of the single-phase bridge rectifier circuit is connected with each LED in the first group of LED lamp groups.
2. The LED lamp tube of claim 1, further comprising a plurality of voltage regulator tubes,
each voltage-stabilizing tube is respectively connected in parallel between two groups of LED lamp groups which are connected in series,
the anode of each voltage-stabilizing tube is electrically connected with the current cathode in the LED output load circuit, and the cathode of each voltage-stabilizing tube is electrically connected with the current anode in the LED output load circuit.
3. The LED lamp tube of claim 1, further comprising a plurality of voltage regulator tubes,
and the voltage-stabilizing tubes are respectively connected in series between each constant current diode and each LED in the first group of LED lamp groups, wherein the negative electrode of each voltage-stabilizing tube is respectively and electrically connected with the negative electrode of each constant current diode.
4. The LED lamp tube according to claim 1, further comprising a filter capacitor,
the filter capacitor is connected in parallel between the direct current output ends of the single-phase bridge rectifier circuit.
5. The LED tube according to any of claims 1 to 4, further comprising a varistor,
the piezoresistor is connected in parallel between the direct current output ends of the single-phase bridge rectifier circuit.
6. The LED tube according to any of claims 1 to 4,
each lamp holder is respectively provided with an ejector pin,
and the LED lamp panel is fixedly provided with the single-phase bridge type rectifying circuit.
7. The LED tube according to any of claims 1 to 4,
two thimbles are respectively arranged on each lamp holder,
two single-phase bridge rectifier circuits are fixed on the LED lamp panel,
the alternating current input end of one single-phase bridge type rectifying circuit is electrically connected with two thimbles on the two lamp holders and is used for accessing an external alternating current signal;
the alternating current input end of the other single-phase bridge type rectifying circuit is electrically connected with the other two thimbles on the two lamp holders and is used for accessing another path of external alternating current signals;
the output ends of the two single-phase bridge rectification circuits are respectively connected through wires.
8. The LED tube according to any of claims 1 to 4,
the cross section area of the lampshade is semicircular, the longitudinal opening of the lampshade is provided with a ridge on each of the two inner walls of the longitudinal opening of the lampshade,
the cross section of the heat dissipation metal pipe is semicircular, and two sides of the outer wall of the heat dissipation metal pipe are respectively provided with a groove;
the two convex edges of the lampshade are respectively limited in the two grooves of the heat dissipation metal tube to form the cavity for accommodating the LED lamp panel.
9. The LED tube according to any of claims 1 to 4,
the cross section area of the lampshade is a circular ring,
the cross section of heat dissipation tubular metal resonator is semicircle annular to be located the inside of lamp shade the top of heat dissipation tubular metal resonator and be formed with the holding between the lamp shade the cavity of LED lamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203584707U CN202195326U (en) | 2011-09-22 | 2011-09-22 | LED (light-emitting diode) lamp tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203584707U CN202195326U (en) | 2011-09-22 | 2011-09-22 | LED (light-emitting diode) lamp tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195326U true CN202195326U (en) | 2012-04-18 |
Family
ID=45950235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203584707U Expired - Fee Related CN202195326U (en) | 2011-09-22 | 2011-09-22 | LED (light-emitting diode) lamp tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195326U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023449A (en) * | 2014-06-18 | 2014-09-03 | 无锡市崇安区科技创业服务中心 | Driving circuit of arrow-head-shaped traffic lights |
| WO2014139235A1 (en) * | 2013-03-12 | 2014-09-18 | 深圳市聚作照明股份有限公司 | Led lamp capable of directly replacing ballast fluorescent tube and device thereof |
| CN104735854A (en) * | 2013-12-24 | 2015-06-24 | 深圳市达特照明股份有限公司 | Anti-surge circuit and integrated circuit with same |
-
2011
- 2011-09-22 CN CN2011203584707U patent/CN202195326U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014139235A1 (en) * | 2013-03-12 | 2014-09-18 | 深圳市聚作照明股份有限公司 | Led lamp capable of directly replacing ballast fluorescent tube and device thereof |
| CN104735854A (en) * | 2013-12-24 | 2015-06-24 | 深圳市达特照明股份有限公司 | Anti-surge circuit and integrated circuit with same |
| CN104023449A (en) * | 2014-06-18 | 2014-09-03 | 无锡市崇安区科技创业服务中心 | Driving circuit of arrow-head-shaped traffic lights |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11215326B2 (en) | Filament lamp lighting module and manufacturing method thereof | |
| CN202195326U (en) | LED (light-emitting diode) lamp tube | |
| CN201288967Y (en) | LED lamp string without external resistance | |
| CN203757403U (en) | LED (Light Emitting Diode) candle lamp with incandescent light bulb dimming effect | |
| CN201170520Y (en) | Efficient energy-saving lamp | |
| CN202561579U (en) | Lamp cap and holder structure for LED spotlight of external constant-current drive power supply | |
| US20080247207A1 (en) | System for rectifying and limiting current and reducing voltage | |
| CN210840137U (en) | Non-polar LED lamp for alternating current or direct current | |
| CN203289717U (en) | LED lamp with dual drive power supply | |
| CN102620259B (en) | Lamp cap and lamp holder structure for light emitting diode (LED) spot lamp with external constant current driving power supply | |
| CN208605971U (en) | A kind of hard lamp bar with seamless interfacing function | |
| CN210891101U (en) | LED bulb lamp | |
| CN202873126U (en) | T8 three-compatible LED fluorescent tube | |
| CN201306627Y (en) | Replaced type LED lamp tube | |
| CN221126473U (en) | Converter of high-voltage lamp area | |
| CN213513258U (en) | LED lamp tube capable of preventing misconnection | |
| CN201652101U (en) | LED bulb | |
| CN201351888Y (en) | A light-emitting diode light source module and constant current unit structure thereof | |
| CN216896855U (en) | Novel non-driven LED filament lamp | |
| CN202852459U (en) | LED fluorescent lamp with external driving power supply | |
| CN210986535U (en) | L ED lamp circuit with emergency lighting function | |
| CN201983048U (en) | LED (light-emitting diode) energy-saving illuminating lamp | |
| CN103249196A (en) | Boosted type pocket-size LED flashlight | |
| CN211605565U (en) | Power line | |
| CN210837718U (en) | Common-pole rectifier diode packaging structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Bright lighting (Shenzhen) Co., Ltd. Assignor: Sun Yibin Contract record no.: 2012440000623 Denomination of utility model: LED tube Granted publication date: 20120418 License type: Exclusive License Record date: 20121122 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Bright lighting (Shenzhen) Co., Ltd. Assignor: Sun Yibin Contract record no.: 2012440000623 Denomination of utility model: LED tube Granted publication date: 20120418 License type: Exclusive License Record date: 20121122 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20160922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |