CN107166209A - A kind of high-voltage LED light bar - Google Patents
A kind of high-voltage LED light bar Download PDFInfo
- Publication number
- CN107166209A CN107166209A CN201710544173.3A CN201710544173A CN107166209A CN 107166209 A CN107166209 A CN 107166209A CN 201710544173 A CN201710544173 A CN 201710544173A CN 107166209 A CN107166209 A CN 107166209A
- Authority
- CN
- China
- Prior art keywords
- filter capacitor
- light bar
- rectifier bridge
- ntc thermistor
- led light
- 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- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
- F21S4/24—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides a kind of high-voltage LED light bar, including electric connector and light bar, LED circuit is provided with the light bar, current rectifying and wave filtering circuit is provided with the electric connector, the current rectifying and wave filtering circuit includes rectifier bridge and filter capacitor, and the input of rectifier bridge is electrically connected with city, and the output end of rectifier bridge is connected with filter capacitor, the output end that the two ends of filter capacitor form current rectifying and wave filtering circuit is connected with LED circuit, it is characterised in that：The current rectifying and wave filtering circuit also includes NTC thermistor, and an input of the rectifier bridge is electrically connected by the NTC thermistor with city.When high-voltage LED light bar rigid connection enters civil power, the resistance value of NTC thermistor is larger, the voltage of both ends of filter capacitor is smaller, avoid generation spark, after electric current flows into filter capacitor for a period of time, the resistance value of temperature rise NTC thermistor diminishes, the voltage of both ends of filter capacitor becomes big, LED circuit normal work.
Description
Technical field
The present invention relates to lighting field, more particularly to a kind of high-voltage LED light bar.
Background technology
Applicant proposes one on January 18th, 2017 to China national Department of Intellectual Property《Stroboscopic phenomenon can effectively be weakened
High-voltage LED light bar》Application for a patent for invention, number of patent application is 201710039743.3, though the patent application effectively weaken
The stroboscopic phenomenon of LED, but made in the Contact of light bar plug insertion socket due to the charge and discharge electro ultrafiltration of filter capacitor
Electric current moment becomes big, easily produces spark, allows user not to be very comfortable on sense organ, therefore necessity changes to its structure
It is good.
The content of the invention
The invention provides a kind of high-voltage LED light bar, the contact to solve light bar plug insertion socket in the prior art
The problem of moment easily produces spark.
The technical proposal of the invention is realized in this way：
It is an object of the invention to provide a kind of high-voltage LED light bar, including electric connector and light bar, it is provided with the light bar
Current rectifying and wave filtering circuit is provided with LED circuit, the electric connector, the current rectifying and wave filtering circuit includes rectifier bridge and filter capacitor,
The input of rectifier bridge is electrically connected with city, and the output end of rectifier bridge is connected with filter capacitor, and the two ends of filter capacitor form rectification
The output end of filter circuit is connected with LED circuit, it is characterised in that：The current rectifying and wave filtering circuit also includes NTC thermistor, institute
An input for stating rectifier bridge is electrically connected by the NTC thermistor with city.
Current rectifying and wave filtering circuit described above also includes bleeder resistance, and the bleeder resistance is in parallel with filter capacitor.
Electric connector described above includes plug and power supply adaptor, and the NTC thermistor is arranged in plug, described
Rectifier bridge, filter capacitor and bleeder resistance are arranged in power supply adaptor.
Power supply adaptor described above includes power pack and filtering box, and the rectifier bridge is arranged in power pack, filtering
Electric capacity and bleeder resistance are arranged in filtering box.
Electric connector described above includes plug, power pack and filtering box, the NTC thermistor and the rectifier bridge
In power pack, filter capacitor and bleeder resistance are arranged in filtering box.
Connected between power pack and filtering box described above by electrical connector.
A kind of high-voltage LED light bar of the present invention, compared with prior art, has the advantage that：
1) NTC thermistor has been concatenated between an input of rectifier bridge and civil power input, NTC thermistor is (negative
Temperature coefficient thermistor device) when temperature is higher, resistance value is lower, the NTC temperature-sensitives electricity when high-voltage LED light bar rigid connection enters civil power
The resistance value of resistance is larger, the voltage of both ends of filter capacitor is smaller, it is to avoid generation spark, when electric current flows into the timing of filter capacitor one
Between after temperature rise, the resistance value of the NTC thermistor diminishes, and the voltage of both ends of filter capacitor becomes big, the normal work of LED circuit
Make；
2) power-off post filtering electric capacity electric discharge, when the filter circuit output voltage is less than the operating voltage of the LED circuit
When LED circuit end, but a large amount of electric energy also contained in filter capacitor do not release, now the filter capacitor and the bleeder resistance
Between form a minor loop, the electricity of filter capacitor released by bleeder resistance, it is to avoid someone goes dismounting at once after a loss of power
Light bar, touching light bar joint and be electrically shocked；
3) after high-voltage LED light bar works a period of time LED rectifier bridges, filter capacitor heating it is larger, NTC thermistor
It is arranged separately in plug, when can avoid accessing civil power again in the short time after lamp removal band, NTC thermistor is by rectification
The influence of bridge, the temperature of filter capacitor；
4) temperature rise is larger after powered up for NTC thermistor and LED rectifier bridges, by filter capacitor and NTC thermistor, LED
Rectifier bridge is provided separately, and can avoid filter capacitor length and work long hours in high temperature, it is ensured that the work longevity of filter capacitor
Life.
Brief description of the drawings
Fig. 1 is the ES for the high-voltage LED light bar that the embodiment of the present invention one is provided；
Fig. 2 is the structural representation for the high-voltage LED light bar that the embodiment of the present invention one is provided；
Fig. 3 is the structural representation for the high-voltage LED light bar preference that the embodiment of the present invention one is provided；
Fig. 4 is the structural representation for the high-voltage LED light bar that the embodiment of the present invention two is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment one：
As depicted in figs. 1 and 2, the high-voltage LED light bar that the present embodiment is provided, including electric connector 1 and light bar 2, the lamp
It is provided with band 2 in LED circuit, the electric connector 1 and is provided with current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit includes rectifier bridge BR
With filter capacitor C1, rectifier bridge BR input I1, I2 and civil power Vi connections, rectifier bridge BR output end and filter capacitor C1 connect
Connect, filter capacitor C1 two ends form output end O1, O2 and the LED circuit connection of current rectifying and wave filtering circuit, it is characterised in that：It is described
A current rectifying and wave filtering circuit also input including NTC thermistor R1, the rectifier bridge BR passes through the NTC thermistor R1
It is connected with civil power Vi.
In the high-voltage LED light bar that the present embodiment is provided, concatenated between an input of rectifier bridge and civil power input
NTC thermistor R1, NTC thermistor R1 (negative temperature coefficient thermistor) resistance value when temperature is higher are lower, work as height
NTC thermistor R1 resistance value is larger when pressure LED rigid connection enters civil power, and the voltage at filter capacitor C1 two ends is smaller, it is to avoid
Generation spark, temperature is raised after electric current flows into filter capacitor C1 certain time, and the resistance value of the NTC thermistor R1 becomes
Small, the voltage at filter capacitor C1 two ends becomes big, the input voltage increase of LED circuit, LED circuit normal work.
It is in parallel with filter capacitor C1 that current rectifying and wave filtering circuit described above also includes bleeder resistance RX, the bleeder resistance RX.
The electric discharge of post filtering electric capacity is powered off, LED circuit is cut when the filter circuit output voltage is less than the operating voltage of the LED circuit
Only, but in filter capacitor a large amount of electric energy are also contained not release, now forms one between the filter capacitor and the bleeder resistance
Individual minor loop, the electricity of filter capacitor is released by bleeder resistance, it is to avoid someone removes lamp removal band, touching lamp at once after a loss of power
Belt lacing and be electrically shocked.
Electric connector 1 described above includes plug 11 and power supply adaptor 12, and the NTC thermistor R1 is arranged on plug
In 11, the rectifier bridge BR, filter capacitor C1 and bleeder resistance RX are arranged in power supply adaptor 12.In high-voltage LED light bar work
The heating for making LED rectifier bridges BR after a period of time is larger, and NTC thermistor R1 is arranged separately in plug, can avoid in dismounting
When accessing civil power again in the short time after light bar, NTC thermistor R1 is influenceed by rectifier bridge BR high-temperature.
As shown in figure 3, as the preference of the present embodiment, power supply adaptor 12 described above include power pack 121 and
Filtering box 122, the rectifier bridge BR is arranged in power pack 121, and filter capacitor C1 and bleeder resistance RX are arranged on filtering box 122
It is interior.
Temperature rise is larger after powered up by NTC thermistor R1 and LED rectifier bridge BR, by filter capacitor C1 and NTC thermistor
R1, LED rectifier bridge BR are provided separately, and can avoid filter capacitor C1 length and work long hours in high temperature, it is ensured that filtered electrical
Hold C1 working life.
Connected between power pack 121 and filtering box 122 described above by electrical connector 123.
High-voltage LED light bar described in the present embodiment is simple in construction, and safety is saved again.
Embodiment two：
As shown in figure 4, the present embodiment is similar with the high-voltage LED light bar described in embodiment one, difference is：
The electric connector 1 includes plug 11, power pack 121 and filtering box 122, the NTC thermistor R1 and institute
Rectifier bridge BR is stated in power pack 121, filter capacitor C1 and bleeder resistance RX are arranged in filtering box 122.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (6)
1. it is provided with a kind of high-voltage LED light bar, including electric connector and light bar, the light bar in LED circuit, the electric connector
Provided with current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit includes rectifier bridge and filter capacitor, and input and the city of rectifier bridge are electrically connected
Connect, the output end of rectifier bridge is connected with filter capacitor, the two ends of filter capacitor form the output end and LED electricity of current rectifying and wave filtering circuit
Road is connected, it is characterised in that：The current rectifying and wave filtering circuit also includes NTC thermistor, and an input of the rectifier bridge leads to
The NTC thermistor is crossed to electrically connect with city.
2. high-voltage LED light bar according to claim 1, it is characterised in that：The current rectifying and wave filtering circuit also includes vent discharge
Resistance, the bleeder resistance is in parallel with filter capacitor.
3. high-voltage LED light bar according to claim 2, it is characterised in that：The electric connector includes plug and power supply is suitable
Orchestration, the NTC thermistor is arranged in plug, and the rectifier bridge, filter capacitor and bleeder resistance are arranged on power adaptation
In device.
4. high-voltage LED light bar according to claim 3, it is characterised in that：The power supply adaptor include power pack and
Filtering box, the rectifier bridge is arranged in power pack, and filter capacitor and bleeder resistance are arranged in filtering box.
5. high-voltage LED light bar according to claim 2, it is characterised in that：The electric connector include plug, power pack with
And filtering box, the NTC thermistor and the rectifier bridge are in power pack, and filter capacitor and bleeder resistance are arranged on filter
In ripple box.
6. the high-voltage LED light bar according to claim 4 or 5, it is characterised in that：Pass through between the power pack and filtering box
Electrical connector is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544173.3A CN107166209A (en) | 2017-07-05 | 2017-07-05 | A kind of high-voltage LED light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544173.3A CN107166209A (en) | 2017-07-05 | 2017-07-05 | A kind of high-voltage LED light bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107166209A true CN107166209A (en) | 2017-09-15 |
Family
ID=59822957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710544173.3A Withdrawn CN107166209A (en) | 2017-07-05 | 2017-07-05 | A kind of high-voltage LED light bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107166209A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949118A (en) * | 2017-12-28 | 2018-04-20 | 广州爱易学智能信息科技有限公司 | The thermal-shutdown circuit of classroom blackboard LED light strip |
| CN113531420A (en) * | 2021-06-28 | 2021-10-22 | 中山市松普电器照明有限公司 | Flexible LED lamp strip with rectifier bridge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201332522Y (en) * | 2008-10-20 | 2009-10-21 | 刘东芳 | LED lighting circuit |
| CN202425143U (en) * | 2012-01-07 | 2012-09-05 | 中山市山沃照明有限公司 | LED driving circuit and LED lamp |
| CN204014168U (en) * | 2014-04-30 | 2014-12-10 | 武威荣宝照明科技有限公司 | Led driver |
| CN206164898U (en) * | 2016-07-25 | 2017-05-10 | 木林森股份有限公司 | Light -emitting diode (LED) lighting driving circuit |
| CN207018870U (en) * | 2017-07-05 | 2018-02-16 | 中山市美耐特光电有限公司 | A kind of high-voltage LED light bar |
-
2017
- 2017-07-05 CN CN201710544173.3A patent/CN107166209A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201332522Y (en) * | 2008-10-20 | 2009-10-21 | 刘东芳 | LED lighting circuit |
| CN202425143U (en) * | 2012-01-07 | 2012-09-05 | 中山市山沃照明有限公司 | LED driving circuit and LED lamp |
| CN204014168U (en) * | 2014-04-30 | 2014-12-10 | 武威荣宝照明科技有限公司 | Led driver |
| CN206164898U (en) * | 2016-07-25 | 2017-05-10 | 木林森股份有限公司 | Light -emitting diode (LED) lighting driving circuit |
| CN207018870U (en) * | 2017-07-05 | 2018-02-16 | 中山市美耐特光电有限公司 | A kind of high-voltage LED light bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949118A (en) * | 2017-12-28 | 2018-04-20 | 广州爱易学智能信息科技有限公司 | The thermal-shutdown circuit of classroom blackboard LED light strip |
| CN113531420A (en) * | 2021-06-28 | 2021-10-22 | 中山市松普电器照明有限公司 | Flexible LED lamp strip with rectifier bridge |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170915 |