CN207065148U - The LED filament bulb lamp that a kind of low frequency dodges - Google Patents
The LED filament bulb lamp that a kind of low frequency dodges Download PDFInfo
- Publication number
- CN207065148U CN207065148U CN201720869352.XU CN201720869352U CN207065148U CN 207065148 U CN207065148 U CN 207065148U CN 201720869352 U CN201720869352 U CN 201720869352U CN 207065148 U CN207065148 U CN 207065148U
- Authority
- CN
- China
- Prior art keywords
- bar shaped
- led light
- led filament
- shaped substrate
- led
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses the LED filament bulb lamp that a kind of low frequency dodges, it includes LED filament, LED filament is made up of the LED light bar of more connection in series-parallel together, LED light bar includes bar shaped substrate and the plurality of LEDs chip being arranged on bar shaped substrate, a metal strip electrode is each provided with two terminations of bar shaped substrate, plurality of LEDs chip-in series connect and compose LED light source, the linear constant current chip of the frequency multiplication of the driving current for making LED light source is provided with bar shaped substrate or on one of metal strip electrode, metal strip electrode, linear constant current chip and LED light source electrical connection；Advantage is the frequency multiplication of the driving current of LED light source so that human eye so as to reduce caused stroboscopic in LED filament luminescence process, reduces stroboscopic, avoided using the larger electrochemical capacitor of volume in this way away from the frequency for feeling photocurrent variations.
Description
Technical field
A kind of LED filament lamp is the utility model is related to, the LED filament bulb lamp dodged more particularly, to a kind of low frequency.
Background technology
LED filament lamp is received by people extensively because its profile is similar to traditional incandescent lamp.LED filament needs straight
Stream electric drive lights, therefore LED filament lamp needs a driving power by city's AC conversion into driving LED again after direct current
Silk is luminous.However, driving power by city's AC rectification into ripple be present during direct current, LED filament can be caused to send out
Stroboscopic be present in the light time.In order to reduce or even eliminate caused stroboscopic in LED filament luminescence process, add typically in driving power
Enter the electrochemical capacitor for removing ripple, and the capacity of electrochemical capacitor goes more greatly ripple effect better.For driving power is installed
For LED filament lamp in lamp holder, this electrochemical capacitor that added in driving power produces to reduce in LED filament luminescence process
Following defect be present in the method for raw stroboscopic：Driving power is placed on inside lamp holder, and space is small, it is difficult to is accommodated；Driving power is adopted
With high-voltage linear power supply, heating is big, the heated influence short life of electrochemical capacitor；Driving power is placed on inside lamp holder, production peace
Fill more complicated, it is difficult to automation installation production.
The content of the invention
Technical problem to be solved in the utility model is to provide the LED filament bulb lamp that a kind of low frequency dodges, and it is by carrying
The frequency of the driving current of high LED filament, human eye is set to be lighted away from the frequency for feeling photocurrent variations to reduce LED filament
During caused stroboscopic.
Technical scheme is used by the utility model solves above-mentioned technical problem：The LED pompon bubble that a kind of low frequency dodges
Lamp, including LED filament, described LED filament are made up of the LED light bar of more connection in series-parallel together, and described LED light bar includes
Bar shaped substrate and the plurality of LEDs chip being arranged on described bar shaped substrate, respectively set on two terminations of described bar shaped substrate
A metal strip electrode is equipped with, the LED chip described in more is connected in series composition LED light source, it is characterised in that：Described bar
The frequency of the driving current for making described LED light source is provided with metal strip electrode on shape substrate or described in one of them
The linear constant current chip of rate multiplication, described metal strip electrode, described linear constant current chip and described LED light source are electrically connected
Connect.
The periphery of described bar shaped substrate is coated with fluorescent adhesive layer, makes described LED light source, described linear constant current chip
And the junction of described bar shaped substrate and described metal strip electrode is located in described fluorescent adhesive layer.Fluorescent adhesive layer will
The light that LED light source is sent is converted into the light of other colors and forms white light together with the light that LED light source is sent.
Metal strip electrode described in two is respectively metal bar shaped positive electrode and metal bar shaped negative electrode, described LED
The positive terminal of light source is connected with described metal bar shaped positive electrode, and described linear constant current chip includes power unit, zero current
Circuit, peak current detection circuit, drive control circuit, power MOS pipe are detected, described linear constant current chip has three welderings
Disk, the input of described power unit are connected with the pad described in first, the output end of described power unit with it is described
Zero current detecting circuit input connection, the output end of described zero current detecting circuit and described peak current detection
The input connection of circuit, the output end of described peak current detection circuit and the input of described drive control circuit connect
Connect, the output end of described drive control circuit is connected with the grid of described power MOS pipe, the leakage of described power MOS pipe
Pole is connected with the pad described in second, and the source electrode of described power MOS pipe is connected with the pad described in the 3rd, first institute
The pad stated is connected with the positive terminal of described LED light source or is connected with described metal bar shaped positive electrode, described in second
Pad is connected with the negative pole end of described LED light source, and the pad described in the 3rd is connected with described metal bar shaped negative electrode.
This, the voltage of LED light source gives linear constant current chip power supply, and zero current detecting circuit and peak current detection circuit are used for detection line
Property constant current chip in the electric current that flows through, when electric current is zero, linear constant current chip is started working, when electric current reaches peak point current
When, constant current hold output, drive control circuit is existed by the conducting and turn-off time for controlling power MOS pipe come control electric current
The frequency multiple that electric current is run in run time and unit period under peak value；In unit period after linear constant current chip
The frequency number that rectangular wave occurs in electric current is to occur the even number of the frequency number of sine wave without electric current before linear constant current chip
Times.
The LED filament bulb lamp also includes stem, support, driving power and lamp holder, and described support is installed on described
On the top of stem, described LED filament is supported on described support, and described driving power is rectifier bridge stack, and structure is simple
It is single, and be installed on the top of described stem, described driving power is melted described with described LED filament and envelope respectively
Seal wire connection on stem, seals the seal wire melted on described stem and is connected with described lamp holder.Here, by whole driving power
Be installed on the top of stem, rather than be installed in the inner chamber of lamp holder, solve lamp holder intracavity space it is small be difficult to accommodate driving
The problem of power supply, while it is complicated to solve the production installation because caused by being installed in the inner chamber of lamp holder driving power, it is difficult to from
The problem of dynamicization installation production.
Described metal strip electrode is installed on twisted manner on the termination of described bar shaped substrate, or described metal
Strip electrode is installed on bonding way on the termination of described bar shaped substrate, or described metal strip electrode is coordinated with twisting
Bonding way is installed on the termination of described bar shaped substrate.Metal strip electrode can be installed on bar shaped base using twisted manner
On the termination of plate, also can using bonding by the way of be installed on the termination of bar shaped substrate, for connect more firmly can use twisting with
Metal strip electrode is installed on the termination of bar shaped substrate by the mode that bonding combines；Such as can by metal bar shaped electrode design be with
Lower structure：Metal strip electrode has a connection end, and metal strip electrode is connected by connection end with the termination of bar shaped substrate,
Connection end is provided with the jack being adapted with the termination of bar shaped substrate of an axial direction, is inserted by the way that the termination of bar shaped substrate is inserted
The termination of bar shaped substrate and the connection of jack are realized in hole, and it is more firm to reach connection to combine bonding way.
Compared with prior art, the utility model has the advantage of：
1) by setting a driving for being used to make LED light source on bar shaped substrate or on one of metal strip electrode
The linear constant current chip of the frequency multiplication of electric current, then make metal strip electrode, linear constant current chip and LED light source electrical connection, this
Sample can not only make LED filament constant current operation, improve photochromic uniformity and the life-span of LED filament, and can make LED filament
The frequency multiplication of driving current so that human eye lighted away from the frequency for feeling photocurrent variations so as to reduce LED filament
Caused stroboscopic, reduces stroboscopic in this way in journey, avoids using the larger electrochemical capacitor of volume.
2) setting of linear constant current chip can simplify the structure of driving power, it is only necessary to using rectifier bridge stack, and and LED
Filament is placed adjacent in glass bulb, simplifies the structure of LED filament lamp, solve conventional driving power be difficult to be placed on it is narrow
The problem of in small lamp holder, while solve the production installation complexity because caused by being installed in the inner chamber of lamp holder driving power,
The problem of being difficult to automation installation production.
Brief description of the drawings
Fig. 1 is the overall structure diagram of LED filament bulb lamp of the present utility model；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the structural representation of the LED light bar (uncoated to have fluorescent adhesive layer) in LED filament bulb lamp of the present utility model
Figure；
Fig. 4 is the enlarged diagram of part B in Fig. 3；
Fig. 5 is the structural representation of the LED light bar (being coated with fluorescent adhesive layer) in LED filament bulb lamp of the present utility model
Figure；
Fig. 6 is the connection diagram of the LED light source in LED filament bulb lamp of the present utility model and linear constant current chip；
When Fig. 7 a are that LED filament bulb lamp of the present utility model works, the oscillogram that is exported after driving power；
When Fig. 7 b are that LED filament bulb lamp of the present utility model works, the oscillogram that exports after linear constant current chip.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
The utility model proposes a kind of low frequency dodge LED filament bulb lamp, as shown in Figures 1 to 5, it include lamp holder 1,
Glass bulb 2, stem 3, support 4, driving power 5 and LED filament 6, support 4 are installed on the top of stem 3, LED filament 6
Support on support 4, driving power 5 is rectifier bridge stack, simple in construction, and is installed on the top of stem 3, and driving power 5 is distinguished
Melt the seal wire 31 on stem 3 with LED filament 6 and envelope and be connected, the support 4 and stem 3 for being mounted with LED filament 6 are placed in glass
In cell-shell 2, and closed cavity 7 is formed with glass bulb 2, dry air, inert gas (such as nitrogen, argon are filled in closed cavity 7
Gas etc.) or heat-conducting gas (such as helium, hydrogen) etc., seal the seal wire 31 melted on stem 3 and be connected with lamp holder 1, lamp holder 1 and glass
Cell-shell 2 is adhesively fixed；LED filament 6 is made up of the LED light bar 61 of four connection in series-parallel together, and LED light bar 61 includes bar shaped substrate
62 and the plurality of LEDs chip 63 that is uniformly arranged on bonding way on bar shaped substrate 62, it is each on two terminations of bar shaped substrate 62
Be provided with a metal strip electrode 64, plurality of LEDs chip 63, which is connected in series, forms LED light source 65, on bar shaped substrate 62 or its
In be provided with a metal strip electrode 64 driving current for making LED light source 65 frequency multiplication linear constant current chip
66, linear constant current chip 66 is typically installed on bar shaped substrate 62 on the position of one of metal strip electrode 64, gold
Category strip electrode 64, linear constant current chip 66 and LED light source 65 electrically connect, and the periphery of bar shaped substrate 62 is coated with fluorescent adhesive layer
67, LED light source 65, linear constant current chip 66 and bar shaped substrate 62 and the junction of metal strip electrode 64 is located at fluorescent adhesive layer
In 67, the light that LED light source 65 is sent is converted into the light of other colors and together with the light that LED light source 65 is sent by fluorescent adhesive layer 67
Form white light.It is used to make LED light source 65 by setting one on bar shaped substrate 62 or on one of metal strip electrode 64
Driving current frequency multiplication linear constant current chip 66, then make metal strip electrode 64, linear constant current chip 66 and LED light
Source 65 electrically connects, and so can not only make the constant current operation of LED filament 6, improves photochromic uniformity and the life-span of LED filament 6, and
The frequency multiplication of the driving current of LED filament 6 can be made so that human eye is away from the frequency for feeling photocurrent variations, so as to drop
Caused stroboscopic in the low luminescence process of LED filament 6, reduces stroboscopic, avoids using the larger electricity of volume in this way
Solve electric capacity；The setting of linear constant current chip 66 can simplify the structure of driving power 5, it is only necessary to using rectifier bridge stack, and will be whole
Individual driving power 5 is installed on the top of stem 3, i.e., is placed adjacent to LED filament 6 in glass bulb 2, rather than be installed on lamp
In first 1 inner chamber, the structure of LED filament lamp is simplified, the intracavity space for solving lamp holder 1 small is difficult to accommodate driving power 5
Problem, while solve the production installation complexity because caused by being installed in the inner chamber of lamp holder 1 driving power 5, it is difficult to automate
The problem of installation production.
In the present embodiment, as shown in fig. 6, two metal strip electrodes 64 are respectively metal bar shaped positive electrode and bonding jumper
Shape negative electrode, the positive terminal of LED light source 65 are connected with metal bar shaped positive electrode, linear constant current chip 66 include power unit 661,
Zero current detecting circuit 662, peak current detection circuit 663, drive control circuit 664, power MOS pipe M1, linear constant current core
Piece 66 has three pads PWR, DRAIN, GND, and the input of power unit 661 is connected with first pad PWR, power unit
661 output end is connected with the input of zero current detecting circuit 662, output end and the peak value electricity of zero current detecting circuit 662
The input connection of current detection circuit 663, the output end of peak current detection circuit 663 and the input of drive control circuit 664
End connection, the output end of drive control circuit 664 are connected with power MOS pipe M1 grid, power MOS pipe M1 drain electrode and second
Individual pad DRAIN connections, power MOS pipe M1 source electrode are connected with the 3rd pad GND, first pad PWR and LED light source 65
Positive terminal connection or be connected with metal bar shaped positive electrode, second pad DRAIN is connected with the negative pole end of LED light source 65, the
Three pad GND are connected with metal bar shaped negative electrode.Here, the voltage of LED light source 65 is powered to linear constant current chip 66, zero electricity
Current detection circuit 662 and peak current detection circuit 663 are used to detect the electric current flowed through in linear constant current chip 66, when electric current is
When zero, linear constant current chip 66 is started working, when electric current reaches peak point current, constant current hold output, and drive control electricity
Road 664 is by controlling power MOS pipe M1 conducting and turn-off time come run time of the control electric current under peak value and unit week
The frequency multiple that electric current is run in phase；There is the frequency time of rectangular wave in electric current after linear constant current chip 66 in unit period
Number is to occur the even-multiple of the frequency number of sine wave without electric current before linear constant current chip 66.Here, power unit 661,
Zero current detecting circuit 662, peak current detection circuit 663, drive control circuit 664 use prior art.
In the present embodiment, metal strip electrode 64 is installed on twisted manner on the termination of bar shaped substrate 62, or metal
Strip electrode 64 is installed on bonding way on the termination of bar shaped substrate 62, or metal strip electrode 64 coordinates bonding side with twisting
Formula is installed on the termination of bar shaped substrate 62.Metal strip electrode 64 can be installed on the end of bar shaped substrate 62 using twisted manner
On head, also can using bonding by the way of be installed on the termination of bar shaped substrate 62, for connect more firmly can use twisting with it is Nian Jie
With reference to mode metal strip electrode 64 is installed on the termination of bar shaped substrate 62；Metal strip electrode 64 can be such as designed as
Following structure：Metal strip electrode 64 has a connection end, and metal strip electrode 64 passes through connection end and bar shaped substrate 62
Termination connects, and connection end is provided with the jack being adapted with the termination of bar shaped substrate 62 of an axial direction, by by bar shaped substrate
The termination of bar shaped substrate 62 and the connection of jack are realized in 62 termination insertion jack, and bonding way can be combined and connected with reaching
Connect more firm.
When Fig. 7 a give LED filament bulb lamp of the present utility model work, the oscillogram that is exported after driving power；Figure
When 7b gives LED filament bulb lamp of the present utility model work, the oscillogram that is exported after linear constant current chip.City's alternating current
The positive sine wave of double frequency (100 or 120Hz) is exported after (50 or 60Hz) input after power supply 5 (rectifier bridge stack) of overdriving
In electric current to LED light bar 61, during by linear constant current chip 66, the He of zero current detecting circuit 662 in linear constant current chip 66
Peak current detection circuit 663 exports rectangular wave electric current, and power MOS pipe M1 conducting is controlled by drive control circuit 664
The frequency multiple that rectangular wave occurs in unit period is controlled with turn-off time, the frequency that rectangular wave occurs in unit period herein
Rate is 2 times (200 or 240Hz) that electric current enters sine wave freuqency before linear constant current chip 66, and the frequency can be felt away from human eye
The frequency for the photocurrent variations felt, reduces stroboscopic.
Claims (5)
1. the LED filament bulb lamp that a kind of low frequency dodges, including LED filament, described LED filament by more connection in series-parallel together
LED light bar forms, and described LED light bar includes bar shaped substrate and the plurality of LEDs chip being arranged on described bar shaped substrate, institute
A metal strip electrode is each provided with two terminations of the bar shaped substrate stated, the LED chip described in more is connected in series structure
Into LED light source, it is characterised in that：It is provided with and is used on metal strip electrode on described bar shaped substrate or described in one of them
Make the linear constant current chip of the frequency multiplication of the driving current of described LED light source, described metal strip electrode, described line
Property constant current chip and described LED light source electrical connection.
2. the LED filament bulb lamp that a kind of low frequency according to claim 1 dodges, it is characterised in that：Described bar shaped substrate
Periphery be coated with fluorescent adhesive layer, make described LED light source, described linear constant current chip and described bar shaped substrate with it is described
The junction of metal strip electrode be located in described fluorescent adhesive layer.
3. the LED filament bulb lamp that a kind of low frequency according to claim 1 or 2 dodges, it is characterised in that：Gold described in two
Category strip electrode is respectively metal bar shaped positive electrode and metal bar shaped negative electrode, the positive terminal of described LED light source with it is described
Metal bar shaped positive electrode connects, and described linear constant current chip includes power unit, zero current detecting circuit, peak current detection
Circuit, drive control circuit, power MOS pipe, described linear constant current chip have three pads, described power unit it is defeated
Enter end to be connected with the pad described in first, the output end of described power unit and the input of described zero current detecting circuit
End connection, the output end of described zero current detecting circuit is connected with the input of described peak current detection circuit, described
The output end of peak current detection circuit be connected with the input of described drive control circuit, described drive control circuit
Output end be connected with the grid of described power MOS pipe, described power MOS pipe drain electrode with second described in pad connect
Connect, the source electrode of described power MOS pipe is connected with the pad described in the 3rd, the pad described in first and described LED light
The positive terminal connection in source is connected with described metal bar shaped positive electrode, the pad described in second and described LED light source
Negative pole end is connected, and the pad described in the 3rd is connected with described metal bar shaped negative electrode.
4. the LED filament bulb lamp that a kind of low frequency according to claim 3 dodges, it is characterised in that：The LED filament bulb lamp
Also include stem, support, driving power and lamp holder, described support is installed on the top of described stem, described LED
Silk is supported on described support, and described driving power is rectifier bridge stack, and is installed on the top of described stem, described
Driving power melt the seal wire on described stem with described LED filament and envelope respectively and be connected, envelope is melted in described stem
On seal wire be connected with described lamp holder.
5. the LED filament bulb lamp that a kind of low frequency according to claim 1 dodges, it is characterised in that：Described metal bar shaped
Electrode is installed on twisted manner on the termination of described bar shaped substrate, or described metal strip electrode is installed with bonding way
In on the termination of described bar shaped substrate, or described metal strip electrode coordinates bonding way to be installed on described bar with twisting
On the termination of shape substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869352.XU CN207065148U (en) | 2017-07-18 | 2017-07-18 | The LED filament bulb lamp that a kind of low frequency dodges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869352.XU CN207065148U (en) | 2017-07-18 | 2017-07-18 | The LED filament bulb lamp that a kind of low frequency dodges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207065148U true CN207065148U (en) | 2018-03-02 |
Family
ID=61510296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720869352.XU Withdrawn - After Issue CN207065148U (en) | 2017-07-18 | 2017-07-18 | The LED filament bulb lamp that a kind of low frequency dodges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207065148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270147A (en) * | 2017-07-18 | 2017-10-20 | 浙江阳光美加照明有限公司 | The LED filament bulb lamp that a kind of low frequency dodges |
-
2017
- 2017-07-18 CN CN201720869352.XU patent/CN207065148U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270147A (en) * | 2017-07-18 | 2017-10-20 | 浙江阳光美加照明有限公司 | The LED filament bulb lamp that a kind of low frequency dodges |
| CN107270147B (en) * | 2017-07-18 | 2023-04-25 | 浙江阳光美加照明有限公司 | Low-stroboscopic LED filament bulb lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190195435A1 (en) | Led filament lamp | |
| WO2016169471A1 (en) | Method for constructing led filament lamp and led filament lamp | |
| CN201858561U (en) | Alternating-current LED bulb | |
| US11057979B2 (en) | Intelligent lamp string with integrated power control | |
| CN107270147A (en) | The LED filament bulb lamp that a kind of low frequency dodges | |
| CN207065148U (en) | The LED filament bulb lamp that a kind of low frequency dodges | |
| CN106641780A (en) | LED photovoltaic panel and LED gas-filled lamp applying same | |
| EP3190328B1 (en) | A led light simulating the structure of incandescent light | |
| CN202008008U (en) | AC (alternating current) LED lamp bulb | |
| CN205606240U (en) | LED lamp of imitative incandescent lamp structure | |
| CN108770116A (en) | A kind of linear constant current LED filament lamp of twin voltage compatibility | |
| CN206207088U (en) | A kind of LED light electroplax and the LED gas-filled lamps using the LED light electroplax | |
| CN203608403U (en) | Alternate current electric-drive LED lamp | |
| CN101008480A (en) | Module combination type low voltage LED heliolamp | |
| CN204284983U (en) | A kind of LED | |
| CN2770271Y (en) | LED colour lamp driver | |
| CN207610018U (en) | A kind of flip LED filament of exchange driving | |
| CN207150891U (en) | High light efficiency LED fluorescent tube | |
| CN207849051U (en) | A kind of parallel lamp string | |
| CN103415124A (en) | LED lamp achieving ballasting through bi-directional thyristor | |
| CN202758886U (en) | Packaging structure of LED lamp panel | |
| CN104661353A (en) | Alternate current electric-drive LED lamp and manufacturing method thereof | |
| CN204377183U (en) | A kind of LED drive device and LED thereof | |
| CN207097868U (en) | A kind of intensive exchange driving LED filament | |
| CN207584417U (en) | A kind of driving LED filament of alternating-current bidirectional |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180302 Effective date of abandoning: 20230425 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180302 Effective date of abandoning: 20230425 |