CN207018870U - A kind of high-voltage LED light bar - Google Patents
A kind of high-voltage LED light bar Download PDFInfo
- Publication number
- CN207018870U CN207018870U CN201720811171.1U CN201720811171U CN207018870U CN 207018870 U CN207018870 U CN 207018870U CN 201720811171 U CN201720811171 U CN 201720811171U CN 207018870 U CN207018870 U CN 207018870U
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- filter capacitor
- light bar
- rectifier bridge
- ntc thermistor
- led light
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Abstract
The utility model 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 both 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
It the utility model is related to a kind of high-voltage LED light bar.
Background technology
Applicant proposes one on January 18th, 2017 to China State Intellectual Property Office《Stroboscopic phenomenon can effectively be weakened
High-voltage LED light bar》Utility application, number of patent application is
201710039743.3, though the patent application effectively weakens the stroboscopic phenomenon of LED, inserted in light bar plug
Enter the Contact of socket because the charge and discharge electro ultrafiltration of filter capacitor makes electric current moment become big, easily produce spark, allow user
It is not very comfortable on sense organ, therefore necessity improves to its structure.
Utility model content
The utility model provides a kind of high-voltage LED light bar, to solve light bar plug insertion socket in the prior art
Contact easily produces the problem of spark.
What the technical solution of the utility model was realized in：
The purpose of this utility model is to provide a kind of high-voltage LED light bar, including electric connector and light bar, is set in the light bar
There is LED circuit, be provided with current rectifying and wave filtering circuit in the electric connector, the current rectifying and wave filtering circuit includes rectifier bridge and filtered electrical
Hold, the input of rectifier bridge electrically connected with city, and the output end of rectifier bridge is connected with filter capacitor, and the both ends of filter capacitor form whole
The output end of stream filter circuit is connected with LED circuit, it is characterised in that：The current rectifying and wave filtering circuit also includes NTC thermistor,
One input of the 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 described in the utility model, compared with prior art, has the advantage that：
1) NTC thermistor has been concatenated between an input of rectifier bridge inputs with civil power, 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, and the voltage of both ends of filter capacitor is smaller, avoids 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) electric discharge of post filtering electric capacity is powered off, 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 are also contained in filter capacitor and are not released, now the filter capacitor and the bleeder resistance
Between form a minor loop, the electricity of filter capacitor released by bleeder resistance, avoids someone from going to dismantle after a loss of power at once
Light bar, touch light bar joint and be electrically shocked；
3) LED rectifier bridges, the heating of filter capacitor are larger after high-voltage LED light bar works a period of time, 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
Bridge, filter capacitor temperature influence；
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, ensure 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 utility model embodiment one provides；
Fig. 2 is the structural representation for the high-voltage LED light bar that the utility model embodiment one provides；
Fig. 3 is the structural representation for the high-voltage LED light bar preference that the utility model embodiment one provides；
Fig. 4 is the structural representation for the high-voltage LED light bar that the utility model embodiment two provides.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment one：
As depicted in figs. 1 and 2, the high-voltage LED light bar that the present embodiment provides, including electric connector 1 and light bar 2, the lamp
LED circuit is provided with band 2, is provided with current rectifying and wave filtering circuit in the electric connector 1, 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 both ends form output end O1, O2 of current rectifying and wave filtering circuit and LED circuit connects, 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 provides, concatenated between an input of rectifier bridge inputs with civil power
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 both ends is smaller, avoids
Generation spark, temperature raises after electric current flows into filter capacitor C1 certain times, and the resistance value of the NTC thermistor R1 becomes
Small, the voltage at filter capacitor C1 both 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 are released by bleeder resistance, avoid someone from removing 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
Make that the heating of LED rectifier bridges BR after a period of time is larger, and NTC thermistor R1 is arranged separately in plug, can avoid dismantling
When accessing civil power after light bar in the short time again, NTC thermistor R1 is influenceed by rectifier bridge BR high-temperature.
As shown in figure 3, the preference as the present embodiment, power supply adaptor 12 described above include power pack 121 and
Filtering box 122, the rectifier bridge BR are 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, ensure 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 saves 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：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (6)
1. a kind of high-voltage LED light bar, including electric connector and light bar, LED circuit is provided with the light bar, in 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, and the both ends of filter capacitor form the output end and LED electricity of current rectifying and wave filtering circuit
Road connects, 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 are 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 fitted
Orchestration, the NTC thermistor are 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 are 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 arranged in power pack, 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 connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720811171.1U CN207018870U (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 |
|---|---|---|---|
| CN201720811171.1U CN207018870U (en) | 2017-07-05 | 2017-07-05 | A kind of high-voltage LED light bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018870U true CN207018870U (en) | 2018-02-16 |
Family
ID=61482902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720811171.1U Active CN207018870U (en) | 2017-07-05 | 2017-07-05 | A kind of high-voltage LED light bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071961A (en) * | 2017-01-18 | 2017-08-18 | 中山市美耐特光电有限公司 | It is a kind of effectively to weaken the high-voltage LED light bar of stroboscopic phenomenon |
| CN107166209A (en) * | 2017-07-05 | 2017-09-15 | 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 CN201720811171.1U patent/CN207018870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071961A (en) * | 2017-01-18 | 2017-08-18 | 中山市美耐特光电有限公司 | It is a kind of effectively to weaken the high-voltage LED light bar of stroboscopic phenomenon |
| CN107166209A (en) * | 2017-07-05 | 2017-09-15 | 中山市美耐特光电有限公司 | A kind of high-voltage LED light bar |
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