CN107120550A - The general low-voltage LED bulb of one kind exchange - Google Patents
The general low-voltage LED bulb of one kind exchange Download PDFInfo
- Publication number
- CN107120550A CN107120550A CN201710479952.XA CN201710479952A CN107120550A CN 107120550 A CN107120550 A CN 107120550A CN 201710479952 A CN201710479952 A CN 201710479952A CN 107120550 A CN107120550 A CN 107120550A
- Authority
- CN
- China
- Prior art keywords
- pin
- resistance
- lamp holder
- voltage
- led bulb
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The present invention relates to the technical field of light fixture, refer in particular to a kind of general low-voltage LED bulb of exchange, it includes lamp holder, one end of lamp holder is provided with connection terminal, the other end of lamp holder is connected with LED lamp bead, it is provided with lamp holder in control board, control board and is provided with buck constant flow module, connection terminal is electrically connected by buck constant flow module with LED lamp bead.In the present invention, pass through buck constant flow module, so that LED takes into account boosting and decompression circuit, when the operating voltage needed for input voltage is less than or greater than output end, input voltage is boosted or is depressured to the voltage needed for output end, so the present invention can take into account application and the product of current all low-voltages, with preferable compatibility and versatility；Control board is arranged in lamp holder by the present invention, it is not necessary to is adapted to different environment because of the bulb and lamp socket of the different different input voltages of working environment outfit, is reduced the species of bulb, economize on resources, reduce and waste.
Description
Technical field
The present invention relates to the technical field of light fixture, a kind of general low-voltage LED bulb of exchange is referred in particular to.
Background technology
Conventional light source is compared, the applied voltage of bulb is generally civil power scope：120V/110V/220V/230V/240VAC,
Or automotive field：12/24VDC, due to the various types of conventional light source：Such as incandescent lamp, fluorescent lamp, Halogen lamp LED, sodium vapor lamp, due to
The difference of luminescence mechanism and application field, if respectively keeping the characteristic of every kind of light source, the voltage of bulb will be multifarious,
So, as general consumer product, the input voltage of bulb is typically also to determine voltage using above-mentioned voltage to input as standard
Rower of going forward side by side claims.
The appearance of white light LEDs, new development is carried out to light band, and gradually replace existing conventional light source product comprehensively.
It is also to continue to use original input voltage in the design of existing LED bulb, but because LED drivings can be applicable broader input electricity
Press scope, this be wide operating voltage input turn into it is a kind of may, this Width funtion be nominally used primarily in civil power 110-240VAC this
The situation of kind.
Because the main operating voltage of low-voltage is 12VDC, 24VDC, so existing low-voltage LED bulb is also by fixed
Voltage identification；Existing product, low-voltage LED bulb standard disunity, and low voltage power supply system such as wind-force, battery, solar energy
Will there is a situation where voltage instability, additionally, due to the consideration of cost, people are always made as fixed electricity when designing LED product
Pressure input.In this way, just generating the LED bulb of different voltage specifications on the market, every kind of LED bulb can only adapt to a kind of fixed electricity
Pressure.
The content of the invention
The present invention provides a kind of general low-voltage LED bulb of exchange for problem of the prior art, goes for wider model
The low-voltage enclosed.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
The general low-voltage LED bulb of one kind exchange, includes lamp holder, one end of the lamp holder is provided with connection terminal, the lamp holder
The other end be connected with LED lamp bead, the lamp holder and be provided with control board, be provided with buck in the control board
Constant flow module, the connection terminal is electrically connected by buck constant flow module with LED lamp bead.
Wherein, the buck constant flow module includes chip BP1808, the chip BP1808 include pin DIM,
Pin VDD, pin COMP, pin GND, pin VOUT, pin CS, pin OVP and pin SW；Set in the chip BP1808
Triode is equipped with, the pin SW is connected with triode, and the pin SW is connected to commutation diode D1 and inductance L, institute
The anode that pin SW is stated with commutation diode D1 is connected, and the pin CS is connected with current sampling resistor RS.
Wherein, the buck constant flow module also includes resistance R1 and resistance R2, one end of the pin OVP and resistance
R1 one end connection, the other end of the resistance R1 is connected with pin VOUT, the other end and the pin of the resistance R1
VOUT connections；One end of the resistance R2 is connected with pin OVP one end, the other end ground connection of the resistance R2.
Wherein, the one end for also including compensation resistance R3 and compensating electric capacity C1, the pin COMP and compensation resistance R3 connects
Connect, the other end of the compensation resistance R3 is connected with compensating electric capacity C1 positive pole, the negative pole ground connection of the compensating electric capacity C1.
Wherein, shunt capacitance C2 is also included, the pin VDD is connected with the positive pole of the shunt capacitance C2, the side
Road electric capacity C2 negative pole ground connection.
Beneficial effects of the present invention：
One kind that the present invention is provided exchanges general low-voltage LED bulb, passes through buck constant flow module so that LED takes into account boosting
And decompression circuit, when the operating voltage needed for input voltage is less than or greater than output end, input voltage is boosted or is depressured
To the voltage needed for output end, so the LED of present invention operating voltage range is 2-36VAC, current all low electricity have been taken into account
The application of pressure and product, with preferable compatibility and versatility；Wherein, control board is arranged in lamp holder, it is not necessary to because
Different working environments is equipped with the bulb and lamp socket of different input voltages to adapt to different environment, reduces the species of bulb,
Economize on resources, reduce and waste.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the general low-voltage LED bulb of exchange of the present invention.
Fig. 2 is the circuit diagram of the buck constant flow module of the present invention.
Include in references of the Fig. 1 into Fig. 2：
1-lamp holder, 2-connection terminal, 3-LED lamp bead
4-control board.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and accompanying drawing
It is bright, the content that embodiment is referred to not limitation of the invention.The present invention is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, Figure 2, one kind described in the present embodiment exchanges general low-voltage LED bulb, includes lamp holder 1, the lamp holder 1
One end be provided with connection terminal 2, the other end of the lamp holder 1, which is connected with LED lamp bead 3, the lamp holder 1, is provided with control electricity
Be provided with buck constant flow module in road plate 4, the control board 4, the connection terminal 2 by buck constant flow module with
LED lamp bead 3 is electrically connected.Specifically, it is of the invention, pass through buck constant flow module so that LED takes into account boosting and pressure relief line
Road, when the operating voltage needed for input voltage is less than or greater than output end, output end institute is boosted or is depressured to by input voltage
The voltage needed, so its voltage range of the LED of the present invention is 2-36VAC, has taken into account application and the product of current all low-voltages,
With preferable compatibility and versatility；Wherein, control board 4 is arranged in lamp holder 1, it is possible to reduce because of different work
Environment is equipped with the bulb and lamp socket of different input voltages to adapt to different environment, reduces the species of bulb, economizes on resources, subtract
Little waste；Such as in the inconvenient place of electric power, such as pastoral area, remote mountain areas, can be originated with wind-force or to support as temporary electrical power
Place, easily produces the situation of voltage instability, and present invention can apply to wherein, and need not specially prepare different input voltages
Bulb, the present invention can the power taking from the 12VDC of car input, can also the power taking from the 24VDC inputs of truck, and
Because the output of the present invention is applied in 2-36VDC, due to being voltage, the danger do not got an electric shock, safe to use, reliability
By force.
One kind described in the present embodiment exchanges general low-voltage LED bulb, and the buck constant flow module includes chip
BP1808, the chip BP1808 include pin DIM, pin VDD, pin COMP, pin GND, pin VOUT, pin CS,
Pin OVP and pin SW；Triode is provided with the chip BP1808, the pin SW is connected with triode, the pipe
Pin SW is connected to commutation diode D1 and inductance L, and the pin SW is connected with commutation diode D1 anode, the pin
CS is connected with current sampling resistor RS.Specifically, the chip BP1808 passes through inductance L, current sampling resistor RS formation one
The decompression constant-current LED controller of free-running continuous inductive current pattern；The pin SW connects chip as switch terminals
The drain electrode of triode inside BP1808 and external distillation diode D1 anode, it is ensured that the line in control board 4 is use up
May be short, it is ensured that control board 4 is arranged on the dependable with function in lamp holder 1；Wherein, the pin DIM can pass through
Impressed DC voltage is dimmed to LED, and its maximum current is determined by current sampling resistor RS, effective light modulation of DC voltage
Scope is 0.5V to 2.5, and when DC voltage is higher than 2.5V, output LED current keeps constant, and is set by 0.1/RS；Enter
One step, the chip BP1808 can also be by the extraneous thermistors of pin DIM to LED lamp bead 3 near, detect LED
Temperature dynamic, and then protect LED.
One kind described in the present embodiment exchanges general low-voltage LED bulb, and the buck constant flow module also includes resistance
R1 and resistance R2, one end of the pin OVP is connected with resistance R1 one end, and the other end and the pin VOUT of the resistance R1 connect
Connect, the other end of the resistance R1 is connected with the pin VOUT；One end of the resistance R2 is connected with pin OVP one end,
The other end ground connection of the resistance R2.Specifically, output end pin VOUT is connected to by resistance R1 and resistance R2 is connected to
Ground, realizes the partial pressure to buck constant flow module, plays a part of overvoltage protection.
One kind described in the present embodiment exchanges general low-voltage LED bulb, also includes compensation resistance R3 and compensating electric capacity C1,
The pin COMP and compensation resistance R3 one end connection, the positive pole of the other end and compensating electric capacity C1 of the compensation resistance R3 connects
Connect, the negative pole ground connection of the compensating electric capacity C1.Specifically, can be with by compensating electric capacity C1 and compensation compensation resistance R3 effect
Correct the nonsynchronous phenomenon of voltage and current phase in buck constant flow module.
One kind described in the present embodiment exchanges general low-voltage LED bulb, also includes shunt capacitance C2, the pin VDD
It is connected with the positive pole of the shunt capacitance C2, the negative pole ground connection of the shunt capacitance C2.Specifically, the pin VDD is used as core
The output end of piece BP1808 internal electric sources, is connected with shunt capacitance C2 on earth, and the shunt capacitance C2 is 1uF, the bypass electricity
Appearance can ensure pin VDD stability and security.
It is described above, only it is present pre-ferred embodiments, any formal limitation not is made to the present invention, although
The present invention is disclosed as above with preferred embodiment, but is not limited to the present invention, any those skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, as long as being, without departing from technical solution of the present invention content, to refer to according to the technology of the present invention to above example
Any simple modification, equivalent variations and the modification made, are belonged in the range of technical solution of the present invention.
Claims (5)
1. the general low-voltage LED bulb of one kind exchange, it is characterised in that：Include lamp holder, one end of the lamp holder is provided with connection
Terminal, the other end of the lamp holder, which is connected with LED lamp bead, the lamp holder, is provided with control board, the control board
Buck constant flow module is inside provided with, the connection terminal is electrically connected by buck constant flow module with LED lamp bead.
2. a kind of general low-voltage LED bulb of exchange according to claim 1, it is characterised in that：The buck constant current mould
Block includes chip BP1808, the chip BP1808 and includes pin DIM, pin VDD, pin COMP, pin GND, pin
VOUT, pin CS, pin OVP and pin SW；Triode, the pin SW and triode are provided with the chip BP1808
Connection, the pin SW is connected to commutation diode D1 and inductance L, the pin SW and commutation diode D1 anode connect
Connect, the pin CS is connected with current sampling resistor RS.
3. a kind of general low-voltage LED bulb of exchange according to claim 2, it is characterised in that：The buck constant current mould
Block also includes resistance R1 and resistance R2, and one end of the pin OVP is connected with resistance R1 one end, and the resistance R1's is another
End is connected with pin VOUT, and the other end of the resistance R1 is connected with the pin VOUT；One end of the resistance R2 and pin
OVP one end connection, the other end ground connection of the resistance R2.
4. a kind of general low-voltage LED bulb of exchange according to claim 2, it is characterised in that：Also include compensation resistance
R3 and compensating electric capacity C1, the pin COMP and compensation resistance R3 one end connection, the other end and benefit of the compensation resistance R3
Repay electric capacity C1 positive pole connection, the negative pole ground connection of the compensating electric capacity C1.
5. a kind of general low-voltage LED bulb of exchange according to claim 2, it is characterised in that：Also include shunt capacitance
C2, the pin VDD is connected with the positive pole of the shunt capacitance C2, the negative pole ground connection of the shunt capacitance C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479952.XA CN107120550A (en) | 2017-06-22 | 2017-06-22 | The general low-voltage LED bulb of one kind exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479952.XA CN107120550A (en) | 2017-06-22 | 2017-06-22 | The general low-voltage LED bulb of one kind exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120550A true CN107120550A (en) | 2017-09-01 |
Family
ID=59719358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710479952.XA Pending CN107120550A (en) | 2017-06-22 | 2017-06-22 | The general low-voltage LED bulb of one kind exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120550A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167235A (en) * | 2019-06-12 | 2019-08-23 | 深圳市银色星空光电科技有限公司 | A kind of buck method, apparatus of low-pressure lamp, low pressure lamp apparatus and its system |
| CN112243308A (en) * | 2019-07-16 | 2021-01-19 | 陈义武 | General power supply system of low pressure lamps and lanterns |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226608Y (en) * | 2008-06-06 | 2009-04-22 | 戴友谊 | Wide-voltage high-power LED drive circuit |
| CN102954384A (en) * | 2012-11-28 | 2013-03-06 | 何永祥 | LED (light-emitting diode) lamp with LED drive power supply and LED tube welded on ceramic lamp head |
| CN104968070A (en) * | 2015-03-18 | 2015-10-07 | 盐城工学院 | LED driving circuit |
| CN206875153U (en) * | 2017-06-22 | 2018-01-12 | 佛山市南海亮明电器有限公司 | One kind exchanges general low-voltage LED bulb |
-
2017
- 2017-06-22 CN CN201710479952.XA patent/CN107120550A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226608Y (en) * | 2008-06-06 | 2009-04-22 | 戴友谊 | Wide-voltage high-power LED drive circuit |
| CN102954384A (en) * | 2012-11-28 | 2013-03-06 | 何永祥 | LED (light-emitting diode) lamp with LED drive power supply and LED tube welded on ceramic lamp head |
| CN104968070A (en) * | 2015-03-18 | 2015-10-07 | 盐城工学院 | LED driving circuit |
| CN206875153U (en) * | 2017-06-22 | 2018-01-12 | 佛山市南海亮明电器有限公司 | One kind exchanges general low-voltage LED bulb |
Non-Patent Citations (2)
| Title |
|---|
| 上海晶丰明源半导体有限公司: "BP1808系统应用指南", 《百度文库》 * |
| 晶丰明源: "晶丰明源BP1808", 《豆丁网WWW.DOCIN.COM》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167235A (en) * | 2019-06-12 | 2019-08-23 | 深圳市银色星空光电科技有限公司 | A kind of buck method, apparatus of low-pressure lamp, low pressure lamp apparatus and its system |
| CN112243308A (en) * | 2019-07-16 | 2021-01-19 | 陈义武 | General power supply system of low pressure lamps and lanterns |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102014557A (en) | LED dimming power supply | |
| CN105792421B (en) | A kind of no bridge type LED drive power | |
| CN104427700B (en) | Overheating protection circuit, LED drive circuit and lamps and lanterns | |
| CN102711331B (en) | LED drive power supply | |
| CN107120550A (en) | The general low-voltage LED bulb of one kind exchange | |
| CN107454708A (en) | A kind of high PF, the LED driver circuit of controllable silicon light modulation | |
| CN104780694A (en) | LED touch dimming constant current drive power source | |
| CN201757323U (en) | Flicker-free LED MR16 spotlight with dimming function | |
| CN204104169U (en) | A kind of high-power LED drive circuit | |
| CN206875153U (en) | One kind exchanges general low-voltage LED bulb | |
| CN205584551U (en) | Active passive compatible dimmer circuit of LED1 -10V | |
| CN202565513U (en) | Built-in drive power of light-emitting diode (LED) fluorescent lamp | |
| CN104968070A (en) | LED driving circuit | |
| CN101852374A (en) | Unflickering LED MR16 spot light with light regulating function | |
| CN202565166U (en) | Fly-back converter control constant current output circuit | |
| CN205005320U (en) | Driving circuit of light -emitting diode (LED) fluorescent tube | |
| CN104780695B (en) | A kind of LED non-pole light regulatings constant-current driving power supply | |
| CN204598401U (en) | A kind of LED touch dimmer power supply | |
| CN204206529U (en) | A kind of high efficiency extra small power non-isolated LED drive circuit | |
| CN207573675U (en) | Switch dimming color-temperature regulating LED light | |
| CN204578830U (en) | A kind of compatible Halogen lamp LED Dimmable LED driving power and lighting | |
| CN205596403U (en) | Rail vehicle carriage LED lighting driver power | |
| CN104853473A (en) | LED fluorescent lamp circuit employing fluorescent lamp electronic ballast for driving and LED fluorescent lamp | |
| CN204291510U (en) | LED daylight lamp circuit, LED daylight lamp that a kind of electronic ballast for fluoresent lamp drives | |
| CN204707313U (en) | A kind of LED protection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170901 |
|
| RJ01 | Rejection of invention patent application after publication |