CN101571271B - Lamp holder and lamp - Google Patents
Lamp holder and lamp Download PDFInfo
- Publication number
- CN101571271B CN101571271B CN2008100947063A CN200810094706A CN101571271B CN 101571271 B CN101571271 B CN 101571271B CN 2008100947063 A CN2008100947063 A CN 2008100947063A CN 200810094706 A CN200810094706 A CN 200810094706A CN 101571271 B CN101571271 B CN 101571271B
- Authority
- CN
- China
- Prior art keywords
- capacitor
- resistor
- npn transistor
- zener diode
- module
- 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
- 239000003990 capacitor Substances 0.000 claims description 62
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a cold cathode fluorescence lamp holder and a lamp. A converting circuit and a drive circuit are integrated in a restricted space. The lamp holder comprises a base, a first module and a second module. The lamp comprises the base, the first module, the second module, a cold cathode fluorescence strip lamp and a lampshade, wherein the first module is arranged in the base and comprises the converting circuit used for converting an alternating-current power supply into a direct-current power supply. The second module is also arranged in the base, is electrically connected with the first module and comprises the drive circuit used for receiving the direct-current power supply and outputting drive voltage to drive the cold cathode fluorescence strip lamp.
Description
Technical Field
The present invention relates to a lamp socket and a lamp, and more particularly, to a cold cathode fluorescent lamp socket and a lamp with integrated circuit module and low surface temperature and long service life.
Background
At present, a lamp for general illumination has problems of a short life and a high surface temperature, and on the other hand, since a cold cathode fluorescent lamp has advantages of a low temperature and a high brightness, an easy shape processing, and a long life, the cold cathode fluorescent lamp is widely used as various backlights, especially as a backlight for a screen, in which the cold cathode fluorescent lamp is driven by a driving voltage to emit light, and the driving voltage is provided by a conversion circuit and a driving circuit, so that the general cold cathode fluorescent lamp must be driven by the driving voltage to emit light by combining the conversion circuit and the driving circuit.
Therefore, in order to solve the problems of short service life and high surface temperature of general lighting lamps, it is considered to develop lighting lamps having long service life and low surface temperature by using cold cathode fluorescent lamps which are currently used in general advertising light boxes and backlight sources of general screens.
However, the internal space of the lighting fixture is quite limited, and it is a problem to be overcome to integrate the conversion circuit and the driving circuit of the cold cathode fluorescent lamp into the lighting fixture with limited space.
Disclosure of Invention
The present invention provides a cold cathode fluorescent lamp socket and a lamp, which can integrate a conversion circuit and a driving circuit into the lamp socket and the lamp in a limited space, so that the cold cathode fluorescent lamp can be applied to a general lighting lamp.
To achieve the above object, the present invention provides a lamp holder for receiving a cold cathode fluorescent lamp, comprising a base, a first module and a second module, wherein the first module is disposed in the base, the first module is used for converting an ac power into a dc power, the second module is disposed in the base, the second module is electrically connected to the first module, and the second module is used for receiving the dc power and outputting a driving voltage to drive the cold cathode fluorescent lamp.
In addition, to achieve the above object, the lamp of the present invention includes a base, a first module, a second module and a cold cathode fluorescent lamp, wherein the first module is disposed in the base, the first module is configured to convert an ac power into a dc power, the second module is disposed in the base, the second module is electrically connected to the first module, the second module is configured to receive the dc power and output a driving voltage, the cold cathode fluorescent lamp is electrically connected to the second module, and the cold cathode fluorescent lamp receives the driving voltage to emit light.
In the lamp and the lamp holder of the invention, the first module comprises a first circuit board with a conversion circuit, and the second module comprises a second circuit board with a driving circuit. The first module and the second module are electrically connected through two metal wires.
In addition, the lamp also comprises a full-cover type lampshade or a recessed lamp type lampshade.
In summary, the technical means of the present invention can effectively solve the problems of the prior art, and effectively integrate the circuit board module into the lamp and the lamp socket in the limited space of the lamp socket.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1 is a schematic view of a lamp socket according to the present invention;
FIG. 2 is a schematic view of a lamp according to the present invention;
FIG. 3 is a schematic view of a lamp according to the present invention;
FIG. 4 is a conversion circuit diagram of the present invention; and
FIG. 5 is a driving circuit diagram of the present invention.
Wherein, the reference numbers:
100: the base 110: first module
120: the second module 130: cold cathode fluorescent lamp tube
140: first metal line 141: second metal wire
150: full-face lamp cover 160: lamp-embedded type lampshade
A: a contact B: contact point
C: contact CN 1: first connecting seat
CN 2: second connection seat F1: fuse wire
R1: first resistance R2: second resistance
R3: third resistance R4: fourth resistor
R5: fifth resistance L1: first inductor
L2: second inductance C1: first capacitor
C2: first polarity capacitance C3: second polarity capacitor
C4: second capacitance C5: third capacitor
C6: fourth capacitance D1: bridge rectifier
T1: transformer T1 a: first coil
T1 b: second coil T1 c: third coil
T1 d: fourth coil Q1: a first NPN transistor
Q2: second NPN transistor Q3: third NPN transistor
ZD 1: first zener diode ZD 2: second Zener diode
ZD 3: third zener diode ZD 4: fourth Zener diode
ZD 5: fifth Zener diode
Detailed Description
The embodiments of the present invention will be described in detail with reference to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5.
Referring to fig. 1, a lamp socket according to an embodiment of the present invention includes a base 100, a first module 110 and a second module 120. The first module 110 is disposed in the base 100, the first module 110 includes a first circuit board having a conversion circuit for converting an ac power into a dc power, the second module 120 is disposed in the base 100, the second module 120 is electrically connected to the first module 110 through a first metal wire 140 and a second metal wire 141, the second module 120 includes a second circuit board having a driving circuit for receiving the dc power of the first module 110 and outputting a driving voltage.
As shown in fig. 2, which is an embodiment of the lamp of the present invention, the lamp of the present invention includes a base 100, a first module 110, a second module 120, and a cold cathode fluorescent lamp 130, wherein the first module 110 is disposed in the base 100, the first module 110 includes a first circuit board having a conversion circuit for converting an ac power into a dc power, the second module 120 is disposed in the base 100, the second module 120 is electrically connected to the first module 110 through a first metal wire 140 and a second metal wire 141, the second module 120 includes a second circuit board having a driving circuit for receiving the dc power of the first module 110 and outputting a driving voltage, and the cold cathode fluorescent lamp 130 is electrically connected to the second module 120 and receiving the driving voltage of the second module 120 to emit light. In addition, a full-face lampshade 150 is also included.
Referring to fig. 3, another embodiment of the lamp of the present invention is shown, which has a structure similar to that of the embodiment shown in fig. 2, except that it further includes a recessed lamp cover 160.
On the other hand, in order to dispose the circuit boards in the limited space of the lamp socket, the first circuit board of the first module 110 and the second circuit board of the second module 120 in the first and second embodiments have a thickness of 0.7 to 1.76mm and a flatness of 0.5mm at maximum.
Please refer to fig. 4, which is a conversion circuit of the first module 110. It should be noted that the conversion circuit shown in fig. 4 is only an exemplary illustration and is not intended to limit the implementation aspect of the conversion circuit.
The structure of the conversion circuit is that a first connecting seat CN1, a fuse F1, a first resistor R1 and a second resistor R2 are connected in series to form a loop, a first capacitor C1 is connected in parallel with a first resistor R1 and a second resistor R2, a first inductor L1 is connected in series with an ac end of a bridge rectifier D1 and then connected in parallel with a first capacitor C1, on the other hand, a dc end anode of the bridge rectifier D1 is connected in series with one end of a first polarity capacitor C2 to form a loop, a third resistor R3, a fourth resistor R4, a first zener diode ZD1, a second zener diode ZD2, a third zener diode ZD3, a fourth zener diode ZD4 and a fifth zener diode 5 are connected in series and then connected in parallel with a first polarity capacitor C2, wherein a third resistor R3 is connected with one end of a first polarity capacitor C2, a cathode of the first zener diode ZD2 is connected in parallel with a first resistor ZD2 and a fourth resistor R2, the base of the first NPN transistor Q1 is connected to the cathode of the first zener diode ZD1, the collector of the first NPN transistor Q1 is connected to the third resistor R3 and the fourth resistor R4, the second polar capacitor C3 is connected in parallel to the first NPN transistor Q1, the first zener diode ZD1, the second zener diode ZD2, the third zener diode ZD3, the fourth zener diode ZD4 and the fifth zener diode ZD5, wherein one end of the second polar capacitor C3 is connected to the emitter of the first NPN transistor Q1, the second connection seat CN2 is connected in parallel to the second polar capacitor C3 and then grounded, and a connection point a is provided between one end of the second polar capacitor C3 and the second connection seat CN 2.
Further, as shown in fig. 5, it is a driving circuit of the second module 120. It should be noted that the driving circuit shown in fig. 5 is only an exemplary illustration and is not intended to limit the implementation aspect of the driving circuit.
The driving circuit is configured such that a connection point a of the converting circuit is connected to a connection point B of the driving circuit by a first metal wire 140, the connection point B is connected to one end of a second inductor L2, the other end of the second inductor L2 is connected to one end of a fifth resistor R5 and a first coil T1a and a second coil T1B of a transformer T1, the other end of the fifth resistor R5 is connected to a base of a third NPN transistor Q3 and a third coil T1C of the transformer T1, respectively, the third coil T1C is connected to a base of a second NPN transistor Q2, an emitter of the second NPN transistor Q2 is connected to an emitter of a third NPN transistor Q3 and grounded, a second capacitor C4 is connected in series with a third capacitor C5 and then connected in parallel with a second NPN transistor Q2 and a third NPN transistor Q3, wherein a second capacitor C4 is connected to a collector of the second NPN transistor Q6867, a third capacitor C5 is connected with a collector of the third NPN transistor Q3, and a second collector 3 is connected with a second collector 3, the first coil T1a is electrically connected to the second coil T1b, the second coil T1b is electrically connected to the collector of the third NPN transistor Q3, the polar end of the fourth coil T1d of the transformer T1 is connected to one end of a fourth capacitor C6, the other end of the fourth capacitor C6 is connected to a contact C, wherein the contact C can be externally connected to the ccfl 130, the non-polar end of the fourth coil T1d is grounded through a second metal wire 141, wherein the high voltage energy of the fourth coil T1d is induced by the first coil T1a and the second coil T1b and outputted therefrom to illuminate the ccfl 130.
The conversion circuit of the first module 110 converts the ac power into the dc power by rectification, and outputs the dc power from the connection point a of the conversion circuit to the connection point B of the driving circuit of the second module 120 through the first metal wire 140 after voltage stabilization, and then the driving circuit receives the dc power and outputs an ac driving voltage to the connection point C to drive the cold cathode fluorescent lamp 130, and finally, the driving circuit is grounded through the second metal wire 141.
Through the technical means, the conversion circuit and the driving circuit can be effectively integrated in the lamp and the lamp holder, and the application of the cold cathode fluorescent lamp to the lighting lamp is realized.
In addition, the cold cathode fluorescent lamp tube has the advantages of low surface temperature and long service life, so the cold cathode fluorescent lamp and the lamp holder can solve the problems of high surface temperature and short service life of the conventional general lighting lamp.
The invention is characterized in that the conversion circuit and the driving circuit can be effectively integrated under the limited space of the lamp holder and the lamp, so that the cold cathode fluorescent lamp can be driven to emit light.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A lamp socket for receiving a cold cathode fluorescent lamp, comprising:
a base;
the first module is arranged in the base and used for converting an alternating current power supply into a direct current power supply; and
the second module is arranged in the base, is electrically connected to the first module and is used for receiving the direct current power supply and outputting a driving voltage to drive the cold cathode fluorescent lamp tube; wherein
The first module includes a first circuit board having a conversion circuit, the conversion circuit including: the circuit comprises a first connecting seat, a fuse, a first resistor, a second resistor, a first capacitor, a first inductor, a bridge rectifier, a first polar capacitor, a third resistor, a fourth resistor, a first Zener diode, a second Zener diode, a third Zener diode, a fourth Zener diode, a fifth Zener diode, a first NPN transistor, a second polar capacitor and a second connecting seat; wherein,
the first connecting seat, the fuse, the first resistor and the second resistor are connected in series to form a loop, the first capacitor is connected in parallel with the first resistor and the second resistor, the first inductor is connected in series with the alternating current end of the bridge rectifier and then connected in parallel with the first capacitor, the positive pole of the direct current end of the bridge rectifier is connected in series with one end of the first polarity capacitor to form a loop, the third resistor, the fourth resistor, the first zener diode, the second zener diode, the third zener diode, the fourth zener diode and the fifth zener diode are connected in series and then connected in parallel with the first polarity capacitor, wherein the third resistor is connected with one end of the first polarity capacitor, the cathode of the first zener diode is connected with the fourth resistor, the first NPN transistor is connected in parallel with the fourth resistor, and the base of the first NPN transistor is connected with the cathode of the first NPN, the collector of the first NPN transistor is connected to the third resistor and the fourth resistor, the second polarity capacitor is connected in parallel to the first NPN transistor, the first zener diode, the second zener diode, the third zener diode, the fourth zener diode, and the fifth zener diode, wherein one end of the second polarity capacitor is connected to the emitter of the first NPN transistor, the second connecting socket is connected in parallel to the second polarity capacitor and then grounded, and a contact a is disposed between one end of the second polarity capacitor and the second connecting socket.
2. The lamp socket of claim 1, wherein the first module and the second module are electrically connected by two wires.
3. The light holder of claim 1, wherein the second module comprises a second circuit board having a driving circuit comprising: the second inductor, the fifth resistor, the transformer, the second NPN transistor, the third NPN transistor, the second capacitor, the third capacitor, the fourth capacitor, a contact B and a contact C; wherein
The contact a is connected to the contact B, the contact B is connected to one end of the second inductor, the other end of the second inductor is respectively connected to one end of the fifth resistor and the first coil and the second coil of the transformer, the other end of the fifth resistor is respectively connected to the base of the third NPN transistor and the third coil of the transformer, the third coil is further connected to the base of the second NPN transistor, the emitter of the second NPN transistor is connected to the emitter of the third NPN transistor and grounded, the second capacitor is connected in series with the third capacitor and then connected in parallel with the second NPN transistor and the third NPN transistor, wherein the second capacitor is connected to the collector of the second NPN transistor, the third capacitor is connected to the collector of the third NPN transistor, the collector of the second NPN transistor and the second capacitor are further connected to the first coil of the transformer, and the first coil is further electrically connected to the second coil, the second coil is electrically connected to the collector of the third NPN transistor, the polar end of the fourth coil of the transformer is connected to one end of the fourth capacitor, the other end of the fourth capacitor is connected to the contact C, and the non-polar end of the fourth coil is grounded.
4. A light fixture, comprising:
a base;
the first module is arranged in the base and used for converting an alternating current power supply into a direct current power supply;
the second module is arranged in the base, is electrically connected to the first module and is used for receiving the direct current power supply and outputting a driving voltage; and
a cold cathode fluorescent lamp tube electrically connected with the second module for receiving the driving voltage to emit light; wherein
The first module includes a first circuit board having a conversion circuit, the conversion circuit including: the circuit comprises a first connecting seat, a fuse, a first resistor, a second resistor, a first capacitor, a first inductor, a bridge rectifier, a first polar capacitor, a third resistor, a fourth resistor, a first Zener diode, a second Zener diode, a third Zener diode, a fourth Zener diode, a fifth Zener diode, a first NPN transistor, a second polar capacitor and a second connecting seat; wherein,
the first connecting seat, the fuse, the first resistor and the second resistor are connected in series to form a loop, the first capacitor is connected in parallel with the first resistor and the second resistor, the first inductor is connected in series with the alternating current end of the bridge rectifier and then connected in parallel with the first capacitor, the positive pole of the direct current end of the bridge rectifier is connected in series with one end of the first polarity capacitor to form a loop, the third resistor, the fourth resistor, the first zener diode, the second zener diode, the third zener diode, the fourth zener diode and the fifth zener diode are connected in series and then connected in parallel with the first polarity capacitor, wherein the third resistor is connected with one end of the first polarity capacitor, the cathode of the first zener diode is connected with the fourth resistor, the first NPN transistor is connected in parallel with the fourth resistor, and the base of the first NPN transistor is connected with the cathode of the first NPN, the collector of the first NPN transistor is connected to the third resistor and the fourth resistor, the second polarity capacitor is connected in parallel to the first NPN transistor, the first zener diode, the second zener diode, the third zener diode, the fourth zener diode, and the fifth zener diode, wherein one end of the second polarity capacitor is connected to the emitter of the first NPN transistor, the second connecting socket is connected in parallel to the second polarity capacitor and then grounded, and a contact a is disposed between one end of the second polarity capacitor and the second connecting socket.
5. The lamp of claim 4, wherein the first module and the second module are electrically connected by two wires.
6. The luminaire of claim 4 further comprising a full-face lampshade.
7. The lamp of claim 4, further comprising a recessed light cover.
8. The lamp of claim 4, wherein the second module comprises a second circuit board having a driving circuit, the driving circuit comprising: the second inductor, the fifth resistor, the transformer, the second NPN transistor, the third NPN transistor, the second capacitor, the third capacitor, the fourth capacitor, a contact B and a contact C; wherein
The contact a is connected to the contact B, the contact B is connected to one end of the second inductor, the other end of the second inductor is respectively connected to one end of the fifth resistor and the first coil and the second coil of the transformer, the other end of the fifth resistor is respectively connected to the base of the third NPN transistor and the third coil of the transformer, the third coil is further connected to the base of the second NPN transistor, the emitter of the second NPN transistor is connected to the emitter of the third NPN transistor and grounded, the second capacitor is connected in series with the third capacitor and then connected in parallel with the second NPN transistor and the third NPN transistor, wherein the second capacitor is connected to the collector of the second NPN transistor, the third capacitor is connected to the collector of the third NPN transistor, the collector of the second NPN transistor and the second capacitor are further connected to the first coil of the transformer, and the first coil is further electrically connected to the second coil, the second coil is electrically connected to the collector of the third NPN transistor, the polar end of the fourth coil of the transformer is connected to one end of the fourth capacitor, the other end of the fourth capacitor is connected to the contact C, and the non-polar end of the fourth coil is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100947063A CN101571271B (en) | 2008-05-04 | 2008-05-04 | Lamp holder and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100947063A CN101571271B (en) | 2008-05-04 | 2008-05-04 | Lamp holder and lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101571271A CN101571271A (en) | 2009-11-04 |
| CN101571271B true CN101571271B (en) | 2012-05-09 |
Family
ID=41230697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100947063A Expired - Fee Related CN101571271B (en) | 2008-05-04 | 2008-05-04 | Lamp holder and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101571271B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071546A (en) * | 1991-10-07 | 1993-04-28 | 旭源科技股份有限公司 | Electronic ballast for fluoresent lamp |
| CN1480980A (en) * | 2003-07-18 | 2004-03-10 | 慈溪市远东照明有限公司 | direct current fluorescent lamp |
| CN2678126Y (en) * | 2003-12-23 | 2005-02-09 | 涂一波 | Compact outer electrode fluorescent lamp |
| CN2891272Y (en) * | 2005-08-09 | 2007-04-18 | 葛世潮 | Power-saving cold cathode fluorescent reflection lamp |
-
2008
- 2008-05-04 CN CN2008100947063A patent/CN101571271B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071546A (en) * | 1991-10-07 | 1993-04-28 | 旭源科技股份有限公司 | Electronic ballast for fluoresent lamp |
| CN1480980A (en) * | 2003-07-18 | 2004-03-10 | 慈溪市远东照明有限公司 | direct current fluorescent lamp |
| CN2678126Y (en) * | 2003-12-23 | 2005-02-09 | 涂一波 | Compact outer electrode fluorescent lamp |
| CN2891272Y (en) * | 2005-08-09 | 2007-04-18 | 葛世潮 | Power-saving cold cathode fluorescent reflection lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101571271A (en) | 2009-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5395755B2 (en) | Light emitting diode lighting device and current control method thereof | |
| US20130135852A1 (en) | Tube light structure | |
| US20100265732A1 (en) | Light tube with led light source | |
| US20100244696A1 (en) | Apparatus for Connecting LED Lamps Into Lighting Instruments of a Fluorescent Lamp | |
| JP2011044316A (en) | Lighting deice | |
| TWI397345B (en) | Power supply circuit for led | |
| JP2012049273A (en) | Dc power supply device and led lamp system | |
| KR20110062243A (en) | Led illumination apparatus using electronic ballast for fluorescent lamp | |
| JP5355600B2 (en) | Fluorescent lamp circuit using light emitting elements | |
| CN101619819A (en) | Light-emitting diode lamp and driving circuit thereof | |
| TWI401991B (en) | Power transformation apparatus between dc lighting element and ballast | |
| US8564222B2 (en) | Lighting device controlling circuit module | |
| KR101547117B1 (en) | Multisort fluorescent lamp ballast compatible LED fluorescent lamp | |
| CN101571271B (en) | Lamp holder and lamp | |
| CN101893218A (en) | LED tube and circuit thereof | |
| CN203848030U (en) | Lamp tube | |
| TW201102558A (en) | Lamp and driving circuit of LED thereof | |
| TWI477188B (en) | LED tube | |
| CN104853473A (en) | LED fluorescent lamp circuit employing fluorescent lamp electronic ballast for driving and LED fluorescent lamp | |
| US8287156B2 (en) | Compact fluorescent lamp operable in different power sources | |
| US20110254465A1 (en) | Light emitting diode drive circuit device | |
| AU2010100223A4 (en) | Compact fluorescent lamp operable in different power sources | |
| TWM442462U (en) | LED lamp tube | |
| TWM431993U (en) | Lamp | |
| KR20110007534A (en) | Led illumination lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20140504 |