CN207124785U - A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply - Google Patents
A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply Download PDFInfo
- Publication number
- CN207124785U CN207124785U CN201720554331.9U CN201720554331U CN207124785U CN 207124785 U CN207124785 U CN 207124785U CN 201720554331 U CN201720554331 U CN 201720554331U CN 207124785 U CN207124785 U CN 207124785U
- Authority
- CN
- China
- Prior art keywords
- led
- bridge rectifier
- mains
- light emitting
- power supply
- 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
- 230000001012 protector Effects 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 230000007935 neutral effect Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply, it is characterized in that：The circuit includes mains 220V leakage switch protector, bridge rectifier, LED advertisement lamp strings；The input connection mains 220V power networks of mains 220V leakage switch protectors; the output end connection bridge-type rectifier input of mains 220V leakage switch protectors; the output end of the bridge rectifier is that direct current is divided to positive and negative two polarity; the positive pole of the output head anode connection LED advertising lamp groups of the bridge rectifier; the negative pole of the negative pole of output end connection LED advertising lamp groups of the bridge rectifier, forms it into a closed-loop path；Bridge rectifier front end piezo-resistance not in parallel, bridge rectifier output end not parallel filtering electric capacity and discharge resistance.The utility model overcomes and avoids LED advertisements advertisement light emitting word luminous abnormal phenomenon caused by switching mode power supply transformer damages, while solves the hidden danger of the fire caused by neutral line current is excessive.
Description
Technical field：
The technical field of LED advertisement light emitting words and landscape brightening is the utility model is related to, more particularly to one kind is exempted to fill power supply
LED luminescent characters and landscape brightening shaped lamp.
Background technology：
The LED string drawback of existing LED advertisement light emitting words all be using low pressure light current 5V (parallel connection), 12V (connect,
It is in parallel), 48V (series connection) come what is driven, because LED advertisement light emitting words are the accesses that have used light current, according to voltage and electric current into anti-
The relation of ratio, so the thickness of power line is just decided by voltage drop to this LED advertisement light emitting word with length in use
Just, the size that electric current passes through, whole LED advertisement light emitting words light flower screen, uneven luminance, luminous light and shade is caused to interlock very bright
Phenomena such as aobvious.
Besides whole LED advertisement light emitting words need to be mounted with N number of switching mode power supply transformer behind to drive LED advertisements
The lamp string of luminescent characters, most of LED advertisement light emitting words are all installed to very obvious lintel, metope, high-altitude etc., or even whole advertisement
The luminescent characters back side does not have suitable position installation switching mode power supply transformer or can not obtain proper heat reduction, so just can only be switch
Power transformer is installed to the front of LED advertisement light emitting words, very it is uncoordinated very unsightly.Also it is exactly more Switching Power Supply transformations
Neutral line current is excessive holds very much caused by the drawbacks of neutral line current that Switching Power Supply higher harmonics reason is brought superposition when device is applied in combination
Easily form the hidden danger of fire.
Have again be exactly used by the difference according to switching mode power supply transformer producer electronic components quality it is different, with electronics
Old, the degeneration of component service life causes switching mode power supply transformer power output substantially insufficient, or even switching mode power supply transformer
Directly break down, cause scarce pen and draw the LED advertisement light emitting word phenomenons of incomplete uneven half word less and happen occasionally, send out whole LED
Light word reduces advertising results, such as：Beijing welcomes you is changed into Beijing and welcomes you, * * hospitals to be changed into * * having cured etc., allowed people to cry
Must not laugh at, be with one's hair standing on end, also making a discount greatly, extinguish cheerfulness and enthusiasm to our city image, directly influencing the sound of advertising rights people
Reputation.It also greatly increases maintenance difficulty and cost.
In order to solve these problems applicant on July 28th, 2015, Patent No. is applied for：201520551032.0
It is entitled：A kind of utility model patent of the LED advertising lamp cascade control circuits of high voltage and constant current driving, and have been obtained for authorizing；
Piezo-resistance, filter capacitor, discharge resistance are wherein used.
Because piezo-resistance and electrochemical capacitor belong to the piezo-resistance and electrolysis electricity of rapid wear device, especially high withstand voltage
Hold, it is even more so.Because in the LED circuit contact front end power taking point being all fitted with Surge Protector, so surge is herein obviously simultaneously
It is inessential, so piezo-resistance can be dispensed in the circuit；Filter capacitor is eliminated in addition, although there is fluctuation, according to
LED is not afraid of the principle of stroboscopic, though making LED generate stroboscopic, discernable by eye does not out influence visual effect.And be averaged electricity
Drops, it is possible to reduce the grain number of LED string, greatly facilitate LED arrangement.So save the pressure-sensitive electricity of input side rectifier
The electrochemical capacitor of resistance and rectifier outlet side can substantially reduce the fault rate of system, while reduce material cost.
According to engineering contrast experiment over 2 years, the fault rate with piezo-resistance and electrochemical capacitor, which happens occasionally, (presses
Quick resistance explosion, electrochemical capacitor explosion failure etc.)；Remove piezo-resistance relatively and the fault rate of electrochemical capacitor is really
Zero.
Utility model content：
Technical problems to be solved needed for the utility model are to provide a kind of control for exempting to fill the LED advertisement light emitting words of power supply
Circuit processed.
The technical solution of the utility model is：A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply, its feature
It is：The circuit includes mains 220V leakage switch protector, bridge rectifier, LED advertisement lamp strings；Mains 220V
The input connection mains 220V power networks of leakage switch protector, the output of mains 220V leakage switch protectors
End connection bridge-type rectifier input, the output end of the bridge rectifier are divided to positive and negative two polarity, the bridge rectifier for direct current
The positive pole of the output head anode connection LED advertising lamp groups of device, the negative pole of output end connection LED advertising lamp groups of the bridge rectifier
Negative pole, form it into a closed-loop path, bridge rectifier front end piezo-resistance not in parallel, bridge rectifier output end are not simultaneously
Join filter capacitor and discharge resistance.It is each to be classified distribution box also because civil power power distribution cabinet is fitted with total Surge Protector
One small-sized Surge Protector is installed, the position of mains 220V power takings access point is in classification distribution in the circuit
The rear end of the Surge Protector of case, so eliminating the piezo-resistance of parallel connection in the circuit.Remove piezo-resistance and electrolysis electricity
The circuit of appearance, the fault rate by testing it are zero.
The utility model overcomes and avoids LED advertisements advertisement light emitting word incompleteness caused by switching mode power supply transformer damages
The phenomenon of half word, avoid LED advertisement light emitting words light flower screen, uneven luminance, the light and shade that lights and interlock the generation of phenomenon, simultaneously
Solve the drawbacks of being superimposed when more Switching Power Supplies are applied in combination because of the neutral line current that higher harmonics reason is brought, avoid because of zero line
The excessive hidden danger for causing fire of electric current.
Preferably, described LED advertising lamp groups are to include several mutual LED lamp strings arranged side by side, in each LED lamp string
Include the current-limiting resistance or current regulator diode and the LED lamp of several series connection of an end.
Preferably, described LED advertising lamp groups are to include several end to end led lamp units being cascaded, often
Individual LED lamp unit includes several LED lamps being connected in parallel.
The technique effect of the utility model：
In advertisement light emitting word industry by it is acknowledged be that just to have 99 be misfortune that power supply is invited for 100 place maintenances, this
The release of technical scheme not only saves switching mode power supply transformer, also eliminate after the trouble and worry often repaired, and
Cumbersome process when also saving substantial amounts of power line and installing etc..While making outstanding contributions for energy conservation project, solve again
The drawbacks of neutral line current brought using more Switching Power Supply higher harmonics is superimposed, it also avoid the fire caused by neutral line current is excessive
The hidden danger of calamity.
The bright spot of technical solutions of the utility model is exactly not only not allow you to spend more red cent but also return you saved largely
Cost, also substantially increase the utilization rate of work limitation and power network.LED advertisements lamp string in the circuit be all in the market at any time
Ready-made low pressure 5V, 12V arrived or the finished product of 48VLED advertisement lamp strings that can be bought, these LED advertisements lamp strings are making production
It is central all to come with current-limiting resistance or current regulator diode, directly bring and be used without separately exploitation and composition.
This technology is to employ existing partial pressure to have the circuit of shunting again, so the access of switching mode power supply transformer is eliminated,
What no matter your LED advertisement light emitting words were made up of much or how many LEDs lamp bead, each on this LED advertisement light emitting word
The both end voltage of LED lamp bead, electric current are all equal, never occur that the damage of traditional LED advertisement light emitting words power transformer causes
Scarce pen draw less incomplete uneven half word, light and shade staggeredly, Huaping phenomenon etc..Not only save traditional switching mode power supply transformer and
Also greatly save power line or cost.
Brief description of the drawings：
Fig. 1 is the control circuit schematic diagram for exempting to fill the LED advertisement light emitting words of power supply of embodiment one；
Fig. 2 is the control circuit schematic diagram for exempting to fill the LED advertisement light emitting words of power supply of embodiment two；
Embodiment：
Embodiment one：Referring to Fig. 1, a kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply in figure, it is characterized in that：
The circuit includes mains 220V leakage switch protector, bridge rectifier, LED advertisement lamp strings；Mains 220V leaks
The input connection mains 220V power networks of electric switch protector, the output end of mains 220V leakage switch protectors
Bridge-type rectifier input is connected, the output end of the bridge rectifier is divided to positive and negative two polarity, the bridge rectifier for direct current
Output head anode connection LED advertising lamp groups positive pole, the negative pole of output end connection LED advertising lamp groups of the bridge rectifier
Negative pole, a closed-loop path is formed it into, parallel filtering is not electric for bridge rectifier front end piezo-resistance not in parallel, bridge rectifier
Appearance and discharge resistance.
Described LED advertising lamp groups are to include several mutual LED lamp strings arranged side by side, and each LED lamp string includes one
The current-limiting resistance or current regulator diode of end and the LED lamp of several series connection.
The program is directly to be brought to be used without separately opening by means of 12V or 48VLED Series lamp strings on the market
Hair makes.Because the finished product LED string of sale all comes with current-limiting resistance or current regulator diode, so current limliting dress need not be added again
Put, these LED strings be together in series use, quantity that LED is connected is determined according to the voltage of bridge rectifier output end,
The total voltage at the LED string both ends being together in series is calculated and measures, in order to ensure the safety of LED and service life, we
The operating voltage that uses for the LED strip connection lamp string used that combines is higher than or the output voltage equal to bridge rectifier.Because
Existing current-limiting resistance or current regulator diode by mains voltage undulation so do not influenceed, electric main institute ripple inside lamp string
Dynamic voltage x current is discharged by the current-limiting resistance inside LED string or current regulator diode institute sorption enhanced for heat, from
And it ensure that any LED among whole loop is without damage.
Embodiment two：A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply, it is characterized in that：The circuit includes city
Electric alternating current 220V leakage switch protector, bridge rectifier, LED advertisement lamp strings；Mains 220V leakage switch protectors
Input connection mains 220V power networks, mains 220V leakage switch protectors output end connection bridge-type it is whole
Device input is flowed, the output end of the bridge rectifier is divided to positive and negative two polarity for direct current, and the output of the bridge rectifier is rectified
Pole connects the positive pole of LED advertising lamp groups, the negative pole of the negative pole of output end connection LED advertising lamp groups of the bridge rectifier, makes its shape
Into a closed-loop path, parallel filtering electric capacity and electric discharge be not electric for bridge rectifier front end piezo-resistance not in parallel, bridge rectifier
Resistance.
Described LED advertising lamp groups are to include several end to end LED lamp units being cascaded, each LED lamp
Unit includes several LED lamps being connected in parallel.
The program is by means of 5V on the market, 12V LED parallel circuits LED string, is directly brought using not
Need separately exploitation and composition.Because the finished product LED string of sale all comes with current-limiting resistance or current regulator diode, so need not
Again plus current-limiting apparatus.It is a parallel units that the LED string for making these in parallel, which is split as at least 10 LED lamps or more LED lamp,
Group, then multiple parallel units groups are carried out the positive and negative use that is together in series.Determined according to the voltage of bridge rectifier output end
The quantity of LED parallel units group, the total voltage at the parallel units group both ends being together in series is calculated and measures, in order to ensure
The safety and service life of LED, we combine the LED parallel units groups used, and, string together after use work electricity
Pressure is higher than or the output voltage equal to bridge rectifier, because existing current-limiting resistance or current regulator diode be not inside lamp string
Influenceed by mains voltage undulation, the voltage x current that electric main is fluctuated is by the current-limiting resistance inside LED string
Or current regulator diode institute sorption enhanced discharges for heat, so as to ensure that any LED among whole loop not by
Damage.
Claims (3)
1. a kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply, it is characterized in that：The circuit leaks including mains 220V
Electric switch protector, bridge rectifier, LED advertisement lamp strings；The input connection of mains 220V leakage switch protectors
Mains 220V power networks, the output end connection bridge-type rectifier input of mains 220V leakage switch protectors, should
The output end of bridge rectifier is that direct current is divided to positive and negative two polarity, the output head anode connection LED advertisements of the bridge rectifier
The positive pole of lamp group, the negative pole of the negative pole of output end connection LED advertising lamp groups of the bridge rectifier, forms it into one and closes back
Road；Bridge rectifier front end piezo-resistance not in parallel, bridge rectifier output end not parallel filtering electric capacity and discharge resistance.
2. a kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply according to claim 1, it is characterized in that：It is described
LED advertising lamp groups be to include several LED lamp strings arranged side by side mutually, the current limliting that each LED lamp string includes an end is electric
Resistance or current regulator diode and the LED lamp of several series connection.
3. a kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply according to claim 1, it is characterized in that：It is described
LED advertising lamp groups be to include several end to end LED lamp units being cascaded, if each LED lamp unit includes
The dry LED lamp being connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554331.9U CN207124785U (en) | 2017-05-18 | 2017-05-18 | A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554331.9U CN207124785U (en) | 2017-05-18 | 2017-05-18 | A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207124785U true CN207124785U (en) | 2018-03-20 |
Family
ID=61614882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720554331.9U Expired - Fee Related CN207124785U (en) | 2017-05-18 | 2017-05-18 | A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207124785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020191952A1 (en) * | 2019-03-22 | 2020-10-01 | 厦门普为光电科技有限公司 | Current-limiting electronic rectifier and lamp tube using said current-limiting electronic rectifier |
-
2017
- 2017-05-18 CN CN201720554331.9U patent/CN207124785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020191952A1 (en) * | 2019-03-22 | 2020-10-01 | 厦门普为光电科技有限公司 | Current-limiting electronic rectifier and lamp tube using said current-limiting electronic rectifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103813570A (en) | LED brightness balancing control circuit and method, and constant-voltage drive LED lighting system and method | |
| CN203352858U (en) | LED all-turning-on control circuit and constant voltage driven LED illumination system | |
| CN207124785U (en) | A kind of control circuit for exempting to fill the LED advertisement light emitting words of power supply | |
| CN107635343A (en) | Input detection protection circuit and HID lamp AC electronic ballast | |
| CN109714865A (en) | A kind of LED drive circuit and method of no stroboscopic High Power Factor | |
| CN205584590U (en) | Public lighting intelligence energy -saving control system | |
| CN202043327U (en) | Guide light flow marker light | |
| CN205560411U (en) | Connection structure of LED lamp strip | |
| CN204795753U (en) | Can prevent string, protection circuit of parallelly connected LED lamp return circuit disconnection | |
| CN207251972U (en) | The control device of the constant current emergent identification lamp of power supply charged pool | |
| CN207455252U (en) | A kind of high light efficiency LED light bar | |
| CN202310225U (en) | LED tube drive circuit suitable for back-up power bracket lights | |
| CN204259223U (en) | Energy efficient lighting system | |
| CN207652724U (en) | A kind of lamps and lanterns with fan | |
| CN204157124U (en) | Based on the illumination control apparatus of WIFI wireless network control | |
| CN204836732U (en) | LED way lamp module group | |
| CN204795714U (en) | LED lamp protection circuit | |
| CN203656694U (en) | LED advertisement light box side lighting light bar based on 220V alternating current | |
| CN101861015A (en) | LED strip protection circuit | |
| CN207219118U (en) | A kind of band emergency lighting LED circuit | |
| CN204858558U (en) | A LED display power supply system | |
| CN206669429U (en) | A kind of new high-pressure lamp band | |
| CN104936342A (en) | LED lamp protection circuit | |
| CN101616519A (en) | Constant-voltage LED illumination circuit | |
| CN218416717U (en) | Long-endurance energy-saving safety exit emergency lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180320 Termination date: 20200518 |