CN207166824U - A kind of LED illumination lamp - Google Patents
A kind of LED illumination lamp Download PDFInfo
- Publication number
- CN207166824U CN207166824U CN201720942550.4U CN201720942550U CN207166824U CN 207166824 U CN207166824 U CN 207166824U CN 201720942550 U CN201720942550 U CN 201720942550U CN 207166824 U CN207166824 U CN 207166824U
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- Prior art keywords
- diode
- drive circuit
- led lamp
- led illumination
- illumination lamp
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Abstract
It is a kind of LED illumination lamp that the utility model, which is specifically related to, including control drive circuit and LED lamp bead combination, control drive circuit and LED lamp bead combination are sequentially connected and connect, wherein also including external current rectifying and wave filtering circuit, external rectification filter circuit output end is connected with control drive circuit input.AC/DC rectifications and control chip and power driving circuit are respectively equipped with control drive circuit, control chip is connected to the output of the AC/DC converters in control driving, control chip and power driving circuit output termination LED lamp bead group；The beneficial effects of the utility model are：It can play and extend LED lamp service life, prevent from controlling drive circuit component ageing to produce voltage instantaneous change damage control drive circuit and LED lamp bead effect.
Description
Technical field
A kind of technical field of lamps is the utility model is related to, specifically a kind of LED illumination lamp.
Background technology
There are bigger gap in LED illumination lamp reliability and life-span in theory and actual application.Reliability and life-span
Theoretical and actual use learns that pass build LED drive power in.And driving power life-span length is to input electrochemical capacitor CP, and
Export electrochemical capacitor Cs reliability and the life-span.
The lamp bead of LED lamp is theoretical and the survey inspection life-span can reach 2-8 ten thousand hours, and the electricity in matched driving power
Solve 5000-8000 hours in its life-span of electric capacity, it is practical in its life-span also restricted by environment temperature, in the temperature value of electric capacity mark
The demarcation life-span is can be only achieved in the range of 105 degree, but theoretical and practical experience conclusion and comment, electrochemical capacitor use environment temperature are every
Halve beyond 10 degree of life-spans.It is supporting in LED lamp and body temperature actually reaches 90-110 degree to electrochemical capacitor in the work environment
Driving power by the small electrochemical capacitor of the more preferred dimensions of volumetric constraint, so easily premature ageing, capacity reduce, or even lose
Effect.Ripple increase is outer and the variation of power supply other parameters, usual driving power export, and input electrochemical capacitor aging is in LED lamp table
Now：1st, indivedual lamp beads are burnt out, whole lamp does not light.2nd, low frequency light flux variations are than substantially exceeding the 8% of normal value, so as to send
Flagrant passage of scintillation light and make one to have a dizzy spell, at this moment general user thinks that this lamp is scrapped, and causes LED lamp to waste.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided one kind can play extension LED
Tool service life, prevent from controlling drive circuit component ageing to produce voltage instantaneous change damage control drive circuit and LED lamp bead
The LED illumination lamp of group effect.
A kind of LED illumination lamp of the utility model description, including control drive circuit and LED lamp bead group, control driving
Circuit and LED lamp bead group are sequentially connected and connect, wherein also include external current rectifying and wave filtering circuit, external current rectifying and wave filtering circuit and control
Drive circuit processed is electrically connected, and controls and AC/DC converters and control chip are respectively equipped with drive circuit, and control drive circuit connects
The input end of AC/DC converters is connected to, control drive circuit output end is connected in LED lamp bead group.
In addition, following additional technical feature is also had according to a kind of LED illumination lamp of the present utility model, according to this practicality
Some new embodiments, it is specific further, by built-in between the control drive circuit and external current rectifying and wave filtering circuit
Formula current rectifying and wave filtering circuit is connected.
Specific further, the control chip is also associated with optical coupler U.
Specific further, the external current rectifying and wave filtering circuit is also electrically connected with EMI inductance filters.
Specific further, the input of the optical coupler U is also associated with electric capacity C6.
It is specific that further the LED lamp bead group includes light emitting diode D8, light emitting diode D9 and light emitting diode D10,
Light emitting diode D8, light emitting diode D9 and light emitting diode D10 are in series.
It is specific further, the external current rectifying and wave filtering circuit include diode D11, diode D12, diode D13 and
Diode D14 and electric capacity C5, diode D11, diode D12, diode D13, diode D14 are connected with electric capacity C5.
Specific further, the built-in current rectifying and wave filtering circuit includes diode D1, diode D2, diode D3 and two poles
Pipe D4 and electric capacity C1, diode D1, diode D2, diode D3, diode D4 are connected with electric capacity C1.
The beneficial effects of the utility model are：By setting up external current rectifying and wave filtering circuit, due to the height away from LED lamp
Warm area, slow down the problem of capacitance aging, can supplement and solve because former light fixture electric capacity loses for a long time close to the easy aging in high-temperature region
Effect etc. occurs flashing and turning off the light problem, while plays a part of extending LED lamp service life；In addition, its electromagnetic interface filter absorbs
Thunder energy and prevent voltage transient damage control chip function and meanwhile recover.
Brief description of the drawings
Fig. 1 is circuit connection diagram of the present utility model.
Fig. 2 is external current rectifying and wave filtering circuit connection diagram.
Fig. 3 is the structural representation of Fig. 2 another embodiment.
The icon explanation of the following drawings：
Built-in current rectifying and wave filtering circuit 1, control drive circuit 2, control chip 3, LED lamp bead group 4, external rectifying and wave-filtering
Circuit 5.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
As shown in Figure 1 to Figure 3, a kind of LED illumination lamp of the utility model description, including control drive circuit 2 and LED
Lamp bead group 4, drive circuit 2 and LED lamp bead group 4 is controlled to be sequentially connected and connect, wherein also including external current rectifying and wave filtering circuit 5, outside
Put formula current rectifying and wave filtering circuit 5 and control drive circuit 2 be electrically connected, control drive circuit 2 on be respectively equipped with AC/DC converters and
Control drive circuit 2, control control driving 2 are connected to the input end of AC/DC converters, and control drive circuit 2 output end connects
It is connected in LED lamp bead group 4.Pass through built-in rectifying and wave-filtering between the control drive circuit 2 and external current rectifying and wave filtering circuit 5
Circuit 1 is connected.As shown in figure 3, the external current rectifying and wave filtering circuit 5 is also associated with EMI inductance filters.External rectification filter
Ripple input is also associated with electric capacity C6, plays the filter effect of increase electromagnetic interface filter.This structure passes through external rectifying and wave-filtering electricity
The high-temperature region away from LED lamp bead group 4 is implemented on road 5, slows down the problem of capacitance aging, is solved because electric capacity C1 is for a long time close to high-temperature region
And the problems such as easy ageing failure, and control and AC/DC converters and the control phase of drive circuit 2 are respectively equipped with drive circuit 2
Even, and it is in working properly, plays the service life for extending LED lamp bead group 4；In addition, electromagnetic interface filter absorb thunder energy and
Prevent the effect of voltage transient damage control chip 3 and LED lamp bead group 4.The LED lamp bead group 4 includes light emitting diode D8, hair
Optical diode D9 and light emitting diode D10, light emitting diode D8, light emitting diode D9 and light emitting diode D10 are in series.It is described
Built-in current rectifying and wave filtering circuit 1 includes diode D1, diode D2, diode D3 and diode D4 and electric capacity C1, diode
D1, diode D2, diode D3, diode D4 are connected with electric capacity C1.More specifically：When the built-in rectifying and wave-filtering electricity of driving
During the electric capacity C1 ageing failures on road 1, switching civil power exports direct current from external current rectifying and wave filtering circuit 5 and is connected to built-in rectification
The input C and input D of filter circuit 1, rectified AC/DC converters output direct current replace the interior of driving internal failure
Put formula current rectifying and wave filtering circuit 1, be allowed to recover former driving all electrical parameters and normal work, failure LED lamp bead group 4 is flashed horse
Upper disappearance, and in working properly.
The invention also discloses another embodiment：Control drive circuit 2 is also associated with external rectifying and wave-filtering electricity
Road 5, the external current rectifying and wave filtering circuit 5 include diode D11, diode D12, diode D13 and diode D14 and electricity
Hold C5, diode D11, diode D12, diode D13, diode D14 are connected with electric capacity C5.External current rectifying and wave filtering circuit
5 can install at a distance, and the operating ambient temperature of external current rectifying and wave filtering circuit 5 is more than the internal work less than LED lamp bead group 4
Temperature, than traditional LED lamp long lifespan, this structure can be continuing with to LED lamp bead group 4.
The utility model passes through following testing scheme;
5 candle lamps individually fill this LED illumination lamp, result of the test and evaluation：At on probation 1100 days（11000 hours）
Originally the LED lamp flashed recovers normal, after having filled this LED illumination lamp, repairs and was greatly reduced than in the past, every year
Once, workload easily more, makes illuminator now very normal, cooperation part is felt quite pleased to ability Inspection and maintenance.
Result of the test, LED illumination lamp can make reliable to LED lamp bead group 4 and can reach the life-span of extension LED lamp bead group 4
Expection.In addition, the external installation of this architecture LED lamp bead group 4.
Upper is only preferred embodiment of the present utility model, all new in this practicality not to limit the utility model
Any modification, equivalent substitution or improvement made within the spirit and principle of type etc., should be included in protection of the present utility model
Within the scope of.
Claims (8)
1. a kind of LED illumination lamp, including control drive circuit（2）With LED lamp bead group（4）, control drive circuit（2）And LED
Lamp bead group（4）It is sequentially connected and connects, it is characterised in that：Also include external current rectifying and wave filtering circuit（5）, external current rectifying and wave filtering circuit
（5）With controlling drive circuit（2）It is electrically connected, controls drive circuit（2）On be respectively equipped with AC/DC converters and control chip
（3）And output driving, control chip（3）It is connected to the input end of AC/DC converters, the output end connection of AC/DC converters
In LED lamp bead group（4）On.
2. LED illumination lamp according to claim 1, it is characterised in that：The control drive circuit（2）With external rectification
Filter circuit（5）Between pass through built-in current rectifying and wave filtering circuit（1）It is connected.
3. LED illumination lamp according to claim 1, it is characterised in that：The control chip（3）It is also associated with optical coupler U.
4. LED illumination lamp according to claim 3, it is characterised in that：The input of the optical coupler U is also associated with electric capacity
C6。
5. LED illumination lamp according to claim 1, it is characterised in that：The external current rectifying and wave filtering circuit（5）Also it is electrically connected
It is connected to EMI inductance filters.
6. LED illumination lamp according to claim 1, it is characterised in that：The LED lamp bead group（4）Including light emitting diode
D8, light emitting diode D9 and light emitting diode D10, light emitting diode D8, light emitting diode D9 go here and there with light emitting diode D10 phases
Connection.
7. LED illumination lamp according to claim 1 or claim 2, it is characterised in that：The external current rectifying and wave filtering circuit（5）Bag
Include diode D11, diode D12, diode D13 and diode D14 and electric capacity C5, diode D11, diode D12, two poles
Pipe D13, diode D14 are connected with electric capacity C5.
8. LED illumination lamp according to claim 2, it is characterised in that：The built-in current rectifying and wave filtering circuit（1）Including two
Pole pipe D1, diode D2, diode D3 and diode D4 and electric capacity C1, diode D1, diode D2, diode D3, diode
D4 is connected with electric capacity C1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720942550.4U CN207166824U (en) | 2017-07-31 | 2017-07-31 | A kind of LED illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720942550.4U CN207166824U (en) | 2017-07-31 | 2017-07-31 | A kind of LED illumination lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207166824U true CN207166824U (en) | 2018-03-30 |
Family
ID=61715500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720942550.4U Expired - Fee Related CN207166824U (en) | 2017-07-31 | 2017-07-31 | A kind of LED illumination lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207166824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461072A (en) * | 2019-07-22 | 2019-11-15 | 深圳市海洋王照明工程有限公司 | A kind of isolation light adjusting circuit and a kind of lamps and lanterns |
| CN113315388A (en) * | 2021-06-25 | 2021-08-27 | 江苏容正医药科技有限公司 | High-power-density long-life high-frequency pulse alternating-current power supply |
-
2017
- 2017-07-31 CN CN201720942550.4U patent/CN207166824U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461072A (en) * | 2019-07-22 | 2019-11-15 | 深圳市海洋王照明工程有限公司 | A kind of isolation light adjusting circuit and a kind of lamps and lanterns |
| CN113315388A (en) * | 2021-06-25 | 2021-08-27 | 江苏容正医药科技有限公司 | High-power-density long-life high-frequency pulse alternating-current power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20200731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |