CN207589247U - A kind of illuminating light string parallel circuit - Google Patents
A kind of illuminating light string parallel circuit Download PDFInfo
- Publication number
- CN207589247U CN207589247U CN201721770228.4U CN201721770228U CN207589247U CN 207589247 U CN207589247 U CN 207589247U CN 201721770228 U CN201721770228 U CN 201721770228U CN 207589247 U CN207589247 U CN 207589247U
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- CN
- China
- Prior art keywords
- headlamp
- circuit
- parallel
- light string
- illuminating light
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- 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.)
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- 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 illuminating light string parallel circuit, it connects the series arm to be formed including at least two headlamp, the lighting lamp circuit of matrix structure that at least 2 series arm parallel connections are formed, the open circuit protection device in parallel on headlamp.The utility model is used in parallel by illuminating light string, at low cost without complicated voltage transformation to rated voltage and the supply voltage efficient combination of lamp.Wide suitable for voltage range, single branch lamp short circuit, open circuit do not influence whole use, and reliability is high, while effectively reduces power consumption.
Description
Technical field
The utility model belongs to lighting device, and in particular to a kind of illuminating light string parallel circuit.
Background technology
Present multiple LED illumination circuits are generally using LED distributed architectures in parallel or in series.
Cascaded structure is low suitable for the rated voltage of LED and occasion that supply voltage is high, and advantage is can effectively to reduce circuit
Power consumption, but shortcoming is that circuit reliability is relatively low.If arbitrary LED open circuits, other illumination LEDs can not work；If arbitrary LED short circuits,
Remaining LED will be made to bear voltage raising, and LED is caused to burn or current-limiting protection.
Parallel-connection structure suitable for occasion similar in the rated voltage and supply voltage of LED, advantage be improve circuit can
By property, but shortcoming is that power consumption is larger.If single branch LED open circuits, do not influence other LED and use；If single branch LED short circuits, damage is supplied
Power supply or current-limiting protection.
Invention content
The main purpose of the utility model is that providing a kind of illuminating light string parallel circuit, it makes illuminating light string parallel connection
With at low cost without complicated voltage transformation to the rated voltage of lamp and supply voltage efficient combination.Suitable for voltage model
Width is enclosed, single branch lamp short circuit, open circuit do not influence whole use, and reliability is high, while effectively reduces power consumption.
In order to realize above-mentioned technical characteristic, what the purpose of this utility model was realized in：
A kind of illuminating light string parallel circuit, it connects the series arm to be formed including at least two headlamp, at least 2 strings
Join the lighting lamp circuit for the matrix structure that branch circuit parallel connection is formed, the parallel connection open circuit protection device on headlamp.
Above-mentioned headlamp is LED light.
Above-mentioned each headlamp with current-limiting resistance with connecting to form illuminating lamp unit again after open circuit protection device parallel connection.
N number of illuminating lamp unit is multiplied by including M, M is multiplied by N number of illuminating lamp unit and forms H bridge structures, contact electricity with contact resistance
Resistance is arranged on H bridge bridge arms stage casing, and M and N is natural number.
The utility model has the advantages that：
The utility model is worked together by multiple headlamps, has extraordinary illuminating effect, meanwhile, the utility model
In the open circuit of any one headlamp or short circuit, the use of other headlamps is not interfered with, therefore, while has and adapts to voltage model
Technique effect wide, that circuit reliability is strong is enclosed, and brightness of illumination is substantially uniform；
Meanwhile the utility model circuit is simplified, can on the basis of reliable, the uniform illuminating effect of brightness of illumination is provided,
It can be convenient for reduction production cost.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples；
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
Such as Fig. 1, a kind of illuminating light string parallel circuit, it includes the series arm 2 that the series connection of at least two headlamp 1 is formed, until
The lighting lamp circuit of few matrix structure in parallel formed of 2 series arms 2, the parallel connection open circuit protection device 3 on headlamp 1.
The headlamp 1 is LED light.
Each headlamp 1 with current-limiting resistance 4 with connecting to form illuminating lamp unit again after 3 parallel connection of open circuit protection device.
4 illuminating lamp units form H bridge structures with contact resistance 5, and contact resistance 5 is arranged on H bridge bridge arms stage casing.
Specifically, by 2 × 2 LED illumination lamp connection in series-parallel into illustrating for matrix circuit, LED light D1~D4 connects
Meet series resistance R1~R4, LED light D1~D4 and meets open circuit protection device N1~N4；D1 connects with D2, and D3 connects with D4,
More than 2 tunnels node on connection contact resistance R0；The positive termination power of D1, D3+, the negative terminal connection power supply of D2, D4.
Working method：Direct current is passed through, LED light D1~D4 will shine.
By taking D1 exceptions as an example, when D1 short circuits, R1, R2, since unilateral series circuit impedance reduces, flow through D2 to D2 current limlitings
Electric current increase, and R0 can be shunted effectively, reduce the electric current for flowing through D2, prevent D2 overcurrent damages, while increase flows through D3, D4
Electric current, ensure 3 lamp brightness it is substantially uniform.If D1 is breaking, N1 is in running order, and R1, R2 are to D2 current limlitings, while R0 is shunted,
Ensure that 3 lamp brightness are substantially uniform.Arbitrary LED light damage, circuit theory are identical in D2~D4.
By taking D1 and D2 exceptions as an example, when D1 and D2 simultaneously short circuit or open circuit when, flow through R1 and R2 electric current increase, and D3 and
D4 is not affected.When D3 and D4 are damaged simultaneously, circuit theory is identical.
By taking D1 and D3 exceptions as an example, when D1 and D3 short circuits simultaneously or open circuit, flowing through the electric current of D2 and D4 increases, and R0 is played
Shunting function.When D2 and D4 are damaged simultaneously, circuit theory is identical.
If arbitrary LED light damage, remaining LED light can also work normally.
Claims (4)
1. a kind of illuminating light string parallel circuit, it is characterised in that：It includes at least two headlamp（1）The series connection branch that series connection is formed
Road（2）, at least 2 series arms（2）The lighting lamp circuit for the matrix structure that parallel connection is formed, in headlamp（1）Upper open circuit in parallel
Protect device（3）.
2. a kind of illuminating light string parallel circuit according to claim 1, it is characterised in that：The headlamp（1）It is LED light.
3. a kind of illuminating light string parallel circuit according to claim 1, it is characterised in that：Each headlamp（1）With breaking
Protect device in road（3）After parallel connection again with current-limiting resistance（4）Series connection forms illuminating lamp unit.
4. a kind of illuminating light string parallel circuit according to claim 3, it is characterised in that：N number of headlamp list is multiplied by including M
Member, M are multiplied by N number of illuminating lamp unit and contact resistance（5）H bridge structures are formed, get in touch with resistance（5）It is arranged on H bridge bridge arms stage casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770228.4U CN207589247U (en) | 2017-12-18 | 2017-12-18 | A kind of illuminating light string parallel circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770228.4U CN207589247U (en) | 2017-12-18 | 2017-12-18 | A kind of illuminating light string parallel circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207589247U true CN207589247U (en) | 2018-07-06 |
Family
ID=62738786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721770228.4U Active CN207589247U (en) | 2017-12-18 | 2017-12-18 | A kind of illuminating light string parallel circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207589247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109362156A (en) * | 2018-11-20 | 2019-02-19 | 朱应长 | A kind of floor light circuit for lamp of low-power consumption and high stability |
-
2017
- 2017-12-18 CN CN201721770228.4U patent/CN207589247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109362156A (en) * | 2018-11-20 | 2019-02-19 | 朱应长 | A kind of floor light circuit for lamp of low-power consumption and high stability |
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