CN205356748U - Overcurrent protection lamps and lanterns - Google Patents
Overcurrent protection lamps and lanterns Download PDFInfo
- Publication number
- CN205356748U CN205356748U CN201620066033.0U CN201620066033U CN205356748U CN 205356748 U CN205356748 U CN 205356748U CN 201620066033 U CN201620066033 U CN 201620066033U CN 205356748 U CN205356748 U CN 205356748U
- Authority
- CN
- China
- Prior art keywords
- circuit
- audion
- resistance
- overcurrent protection
- light fixture
- 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
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Classifications
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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
The utility model relates to an overcurrent protection lamps and lanterns, including illumination lamps and lanterns, emergency light, control circuit and power unit, control circuit includes current foldback circuit, power unit includes power supply circuit and rechargeable battery, current foldback circuit with the illumination lamps and lanterns correspond to be connected, rechargeable battery with the emergency light corresponds to be connected, power supply circuit with current foldback circuit with rechargeable battery corresponds respectively and connects. Auto -power -off in the time of can realizing that the electric current is too big, the protection lamps and lanterns are not burnt out, still have the emergency lighting lamp simultaneously, when the circuit breaks off, emergency light automatic lighting, for people offer convenience, emergency such as avoid appearing wounding in the dark, simple structure, suitable volume production.
Description
Technical field
This utility model relates to a kind of light fixture, is specifically related to a kind of overcurrent protection light fixture.
Background technology
Now, along with the development of electrification, household electrical appliance increase gradually, when opening multiple stage electrical appliance simultaneously, owing to electric current is excessive, it is easy to cause electrical equipment to be burned, therefore often there is current foldback circuit in electrical equipment.As light fixture indispensable in nowadays electrical equipment, light fixture is also with arranging overcurrent protection, but excessive at electric current; time circuit disconnects, often result in indoor dimmed suddenly, cause inconvenience to people; therefore, ensure that when disconnecting circuit indoor will not once be absorbed in dark, can bring a lot of facility.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of simple in construction, has current foldback circuit, and has the overcurrent protection light fixture of function of emergency illumination.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that overcurrent protection light fixture, including lighting, emergency light, control circuit and power pack；Described control circuit includes current foldback circuit；Described power pack includes power circuit and rechargeable battery; described current foldback circuit is corresponding with described lighting to be connected; described rechargeable battery is corresponding with described emergency light to be connected, and described power circuit is connected respectively with described current foldback circuit and described rechargeable battery.
Preferably, described current foldback circuit includes audion VT1, VT2, VT3, electric capacity C1, resistance R1-R4；Described audion VT1 launching base is connected with described power circuit output end positive pole, described audion VT1 base stage is connected with described audion VT2 colelctor electrode by resistance R2, described power output end positive pole is connected with described audion VT2 base stage further through described resistance R1, described audion VT2 emitter stage is connected with described power circuit output end negative pole, the colelctor electrode of described audion VT3 and transmitter are parallel to base stage and the emitter stage of described audion VT2, described electric capacity C1 is connected in parallel with described audion VT3 base stage and emitter stage, described resistance R3 and resistance R4 is parallel to described electric capacity C1 two ends after being connected in series.
Preferably, described power circuit includes transforming circuit, rectification circuit, filter circuit, mu balanced circuit.
Preferably, described rectification circuit is the bridge rectifier being made up of diode D1-D4.
Preferably, described filter circuit includes resistance R5 and electric capacity C2, and described resistance R5 electrically connects with described rectification circuit output end, and described electric capacity C2 is parallel to described rectification circuit output end two ends.
Preferably, described emergency light includes LED lamp bead LAMP1-LAMP3, and described LED lamp bead LAMP1-LAMP3 is connected in series.
Utility model provides the benefit that:
This utility model can realize automatically powering off when electric current is excessive, and protection light fixture is not burned, and also has emergency light simultaneously; when a circuit is open, emergency light is lighted automatically, offers convenience for people; avoid dark occurs emergency case such as wounding, simple in construction, be suitable for volume production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail:
Fig. 1 is this utility model structural framing schematic diagram；
Fig. 2 is current foldback circuit figure in Fig. 1；
Fig. 3 is power circuit diagram in Fig. 1.
Detailed description of the invention
In conjunction with accompanying drawing 1,2 and 3, overcurrent protection light fixture, including lighting, emergency light, control circuit and power pack；Control circuit includes current foldback circuit；Power pack includes power circuit and rechargeable battery, and current foldback circuit is corresponding with lighting to be connected, and rechargeable battery is corresponding with emergency light to be connected, and power circuit is connected respectively with current foldback circuit and rechargeable battery.
As in figure 2 it is shown, power circuit includes transforming circuit, rectification circuit, filter circuit, mu balanced circuit.Transforming circuit includes transformation pipe T1, rectification circuit includes diode D1-D4, diode D1 negative pole is connected with diode D3 positive pole, diode D1 positive pole is connected with diode D2 positive pole, diode D3 negative pole is connected with diode D4 negative pole, diode D4 positive pole is connected with diode D2 negative pole, and stabilivolt one end is connected with diode D1 negative pole, and the stabilivolt T1 other end is connected with diode D2 negative pole.Filter circuit includes resistance R5 and electric capacity C2, resistance R5 is connected with diode D3 negative pole, electric capacity C2 positive pole is connected with diode D3 negative pole, electric capacity C2 negative pole is connected with diode D1 positive pole, mu balanced circuit includes manostat, manostat is corresponding with filter circuit to be connected, and manostat correspondence output head anode is power circuit output end positive pole, and negative pole of output end is power circuit output end negative pole.
As it is shown on figure 3, current foldback circuit includes audion VT1, VT2, VT3, electric capacity C1, resistance R1-R4；Audion VT1 launching base is connected with power circuit output end positive pole, audion VT1 base stage is connected with audion VT2 colelctor electrode by resistance R2, power output end positive pole is connected with audion VT2 base stage further through resistance R1, audion VT2 emitter stage is connected with power circuit output end negative pole, the colelctor electrode of audion VT3 and transmitter are parallel to base stage and the emitter stage of audion VT2, electric capacity C1 is connected in parallel with audion VT3 base stage and emitter stage, and resistance R3 and resistance R4 is parallel to electric capacity C1 two ends after being connected in series.
Emergency light includes LED lamp bead LAMP1-LAMP3, and LED lamp bead LAMP1-LAMP3 is connected in series.LED lamp bead after series connection is parallel to rechargeable battery two ends, and rechargeable battery positive pole is connected with power circuit positive pole by diode D5 positive pole, and negative electrode of chargeable battery is connected with power circuit negative pole.
Working method is: when having served as stream protection light fixture normal operation, power circuit is rechargable battery charging, and when unexpected power-off, rechargeable battery provides electricity for emergency light, makes people will not precepitate into darkness.Cross stream light fixture cross current circuit protection lighting will not electric current excessive, burn out light fixture.
Above in conjunction with drawings and Examples, embodiment of the present utility model is elaborated, but this utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to be modified under the premise without departing from this utility model objective or change.
Claims (6)
1. an overcurrent protection light fixture, is characterized by: include lighting, emergency light, control circuit and power pack；Described control circuit includes current foldback circuit；Described power pack includes power circuit and rechargeable battery; described current foldback circuit is corresponding with described lighting to be connected; described rechargeable battery is corresponding with described emergency light to be connected, and described power circuit is connected respectively with described current foldback circuit and described rechargeable battery.
2. overcurrent protection light fixture according to claim 1, is characterized by: described current foldback circuit includes audion VT1, VT2, VT3, electric capacity C1, resistance R1-R4；Described audion VT1 launching base is connected with described power circuit output end positive pole, described audion VT1 base stage is connected with described audion VT2 colelctor electrode by resistance R2, described power output end positive pole is connected with described audion VT2 base stage further through described resistance R1, described audion VT2 emitter stage is connected with described power circuit output end negative pole, the colelctor electrode of described audion VT3 and transmitter are parallel to base stage and the emitter stage of described audion VT2, described electric capacity C1 is connected in parallel with described audion VT3 base stage and emitter stage, described resistance R3 and resistance R4 is parallel to described electric capacity C1 two ends after being connected in series.
3. overcurrent protection light fixture according to claim 1, is characterized by: described power circuit includes transforming circuit, rectification circuit, filter circuit, mu balanced circuit.
4. overcurrent protection light fixture according to claim 3, is characterized by: described rectification circuit is the bridge rectifier being made up of diode D1-D4.
5. overcurrent protection light fixture according to claim 3, is characterized by: described filter circuit includes resistance R5 and electric capacity C2, and described resistance R5 electrically connects with described rectification circuit output end, and described electric capacity C2 is parallel to described rectification circuit output end two ends.
6. overcurrent protection light fixture according to claim 1, is characterized by: described emergency light includes LED lamp bead LAMP1-LAMP3, and described LED lamp bead LAMP1-LAMP3 is connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066033.0U CN205356748U (en) | 2016-01-25 | 2016-01-25 | Overcurrent protection lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066033.0U CN205356748U (en) | 2016-01-25 | 2016-01-25 | Overcurrent protection lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205356748U true CN205356748U (en) | 2016-06-29 |
Family
ID=56181969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620066033.0U Expired - Fee Related CN205356748U (en) | 2016-01-25 | 2016-01-25 | Overcurrent protection lamps and lanterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205356748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439754A (en) * | 2016-10-12 | 2017-02-22 | 成都赛昂电子科技有限公司 | Multi-circuit processing type intelligent control system |
| CN106655100A (en) * | 2016-10-12 | 2017-05-10 | 成都赛昂电子科技有限公司 | Intelligent control system based on over current protection circuit |
-
2016
- 2016-01-25 CN CN201620066033.0U patent/CN205356748U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439754A (en) * | 2016-10-12 | 2017-02-22 | 成都赛昂电子科技有限公司 | Multi-circuit processing type intelligent control system |
| CN106655100A (en) * | 2016-10-12 | 2017-05-10 | 成都赛昂电子科技有限公司 | Intelligent control system based on over current protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20170125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |