CN211297036U - Lighting circuit - Google Patents
Lighting circuit Download PDFInfo
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- CN211297036U CN211297036U CN201921825362.9U CN201921825362U CN211297036U CN 211297036 U CN211297036 U CN 211297036U CN 201921825362 U CN201921825362 U CN 201921825362U CN 211297036 U CN211297036 U CN 211297036U
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- 238000005286 illumination Methods 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a lighting circuit. The lighting circuit includes: the power supply comprises an output end and a grounding end, and the grounding end is grounded; the first end of the photosensitive circuit is electrically connected with the output end, and the photosensitive circuit is used for passing current when light irradiates; the first end of the indicating circuit is electrically connected with the second end of the photosensitive circuit, and the indicating circuit is used for emitting indicating light and generating a state signal when the photosensitive circuit is irradiated by light; the first end of the control circuit is electrically connected with the output end, the second end of the control circuit is grounded, the third end of the control circuit is electrically connected with the second end of the indicating circuit, and the control circuit is used for generating an illumination signal when receiving the state signal; the first end of the light-emitting circuit is electrically connected with the output end, the second end of the light-emitting circuit is grounded, the third end of the light-emitting circuit is electrically connected with the fourth end of the control circuit, and the light-emitting circuit emits light when receiving the illumination signal generated by the control circuit.
Description
Technical Field
The application relates to the technical field of lighting, in particular to a lighting circuit.
Background
The light becomes the essential content in people's life. For example, at night, the lighting circuit is required to emit light so that people can see some things clearly. For example, street lamps are the main tools for people to see the road clearly when walking. Many circuits can realize not giving out light daytime, give off light night, and whether current circuit is difficult to judge damages, need wait until evening time, when the circuit does not give out light, just can judge out whether damage.
Therefore, it is an urgent need to solve the technical problem of the art to provide a lighting circuit capable of quickly determining whether the lighting circuit is damaged.
SUMMERY OF THE UTILITY MODEL
The application mainly aims to provide an illuminating circuit, and aims to solve the problem that whether an existing circuit is damaged or not can not be judged quickly.
The present application provides a lighting circuit, the lighting circuit comprising:
the power supply comprises an output end and a grounding end, and the grounding end is grounded;
the first end of the photosensitive circuit is electrically connected with the output end, and the photosensitive circuit is used for passing current when light irradiates;
the first end of the indicating circuit is electrically connected with the second end of the photosensitive circuit, and the indicating circuit is used for emitting indicating light and generating a state signal when the photosensitive circuit is irradiated by light;
the first end of the control circuit is electrically connected with the output end, the second end of the control circuit is grounded, the third end of the control circuit is electrically connected with the second end of the indicating circuit, and the control circuit is used for generating an illumination signal when receiving a state signal;
and the first end of the light-emitting circuit is electrically connected with the output end, the second end of the light-emitting circuit is grounded, the third end of the light-emitting circuit is electrically connected with the fourth end of the control circuit, and the light-emitting circuit is used for emitting light when receiving the illumination signal generated by the control circuit.
Preferably, the light emitting circuit includes a light emitting unit and a switch element, the switch element includes a first switch end, a second switch end and a switch control end, the switch control end is electrically connected to the fourth switch end of the control circuit, the second switch end is grounded, the switch control end is used for receiving the illumination signal, controlling the first switch end and the second switch end to be connected, the first switch end of the light emitting unit is electrically connected to the output end, the second switch end is electrically connected to the first switch end, and the first switch end and the second switch end are connected to each other to emit light.
Preferably, the switching element is a mos tube or a triode.
Preferably, the light emitting unit includes one light emitting diode or a plurality of light emitting diodes, positive terminals of the light emitting diodes are electrically connected to the output terminal, and negative terminals of the light emitting diodes are electrically connected to the first terminal of the switch.
Preferably, the lighting circuit further comprises a solar panel and a first diode, the negative end of the solar panel is grounded, the positive end of the solar panel is electrically connected with the positive end of the first diode, and the negative end of the first diode is electrically connected with the output end and the first end of the control circuit respectively.
Preferably, the lighting circuit further includes a resistor, a first end of the resistor is electrically connected to the output terminal and the negative terminal of the first diode, and a second end of the resistor is electrically connected to the first end of the control circuit and the first end of the light sensitive circuit.
Preferably, the lighting circuit further includes a capacitor, a first end of the capacitor is electrically connected to the second end of the resistor and the output end, and a second end of the capacitor is grounded.
Preferably, the lighting circuit further includes a second diode, a positive terminal of the second diode is grounded, and a negative terminal of the second diode is electrically connected to the first terminal of the capacitor and the second terminal of the resistor respectively.
Preferably, the control circuit comprises a control chip.
Preferably, the indication circuit comprises an indicator light.
Compared with the prior art, the power supply comprises an output end and a grounding end, wherein the grounding end is grounded; the first end of the photosensitive circuit is electrically connected with the output end, and the photosensitive circuit is used for passing current when light irradiates; the first end of the indicating circuit is electrically connected with the second end of the photosensitive circuit, and the indicating circuit is used for emitting indicating light and generating a state signal when the photosensitive circuit is irradiated by light; the first end of the control circuit is electrically connected with the output end, the second end of the control circuit is grounded, the third end of the control circuit is electrically connected with the second end of the indicating circuit, and the control circuit is used for generating an illumination signal when receiving a state signal; the first end of the light-emitting circuit is electrically connected with the output end, the second end of the light-emitting circuit is grounded, the third end of the light-emitting circuit is electrically connected with the fourth end of the control circuit, the light-emitting circuit is used for receiving the lighting signal generated by the control circuit and emitting light, the indicating circuit can emit light when the lighting circuit is normal, the indicating circuit can emit light at night and can intelligently emit light, and the indicating circuit provides a basis for a maintainer to quickly judge whether the lighting circuit is damaged or not.
The lighting circuit of this application still includes solar panel and first diode, solar panel's negative pole end ground connection, solar panel's positive terminal with the positive terminal electric connection of first diode, the negative pole end of first diode respectively with the output control circuit's first end electric connection, solar panel can charge for the power, have increased lighting circuit's illumination time.
The lighting circuit of this application still includes the electric capacity, the first end of electric capacity respectively with the second end of resistance the output electric connection, the second end ground connection of electric capacity, electric capacity can carry out the filtering for the circuit, make the voltage that control circuit received more stable.
The lighting circuit of this application still includes the second diode, the positive terminal ground connection of second diode, the negative pole end of second diode respectively with the first end of electric capacity the second end electric connection of resistance, second diode and electric capacity can play the lightning protection effect, and protection power and control module do not receive the thunderbolt and damage.
Drawings
Fig. 1 is a schematic structural diagram of an illumination circuit provided in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present application provides a lighting circuit 10, wherein the lighting circuit 10 can indicate its own working status in the presence of natural light and provide illumination in the absence of natural light. The lighting circuit 10 comprises a power supply 11, a photosensitive circuit 12, an indicating circuit 13, a control circuit 14 and a light-emitting circuit 15, wherein the power supply 11 comprises an output end and a grounding end, and the grounding end is grounded; the first end of the photosensitive circuit 12 is electrically connected with the output end, and the photosensitive circuit 12 is used for passing current when light irradiates; a first end of the indicating circuit 13 is electrically connected with a second end of the photosensitive circuit 12, and the indicating circuit 13 is used for emitting indicating light and generating a status signal when the photosensitive circuit 12 is irradiated by light; a first end of the control circuit 14 is electrically connected to the output end, a second end of the control circuit 14 is grounded, a third end of the control circuit 14 is electrically connected to a second end of the indication circuit 13, and the control circuit 14 is configured to generate an illumination signal when receiving a status signal; a first end of the light emitting circuit 15 is electrically connected to the output end, a second end of the light emitting circuit 15 is grounded, a third end of the light emitting circuit 15 is electrically connected to a fourth end of the control circuit 14, and the light emitting circuit 15 emits light when receiving the illumination signal generated by the control circuit 14. It is understood that in the present application, the light emitted by the light emitting circuit 15 cannot impinge on the light sensitive circuit 12; for example, the position of the light emitting circuit 15 and the position of the light sensitive circuit 12 can be properly set so that the light emitted from the light emitting circuit 15 does not impinge on the light sensitive circuit 12.
The power supply 11 is a device capable of supplying electric power. In the present application, the power source 11 is a battery BT or a battery pack BT. Preferably, the power source 11 is a rechargeable battery or battery pack. The positive terminal of the power supply 11 is an output terminal, and the negative terminal of the power supply 11 is a ground terminal.
The light sensitive circuit 12 is used to change the resistance in the presence of natural light so that the current at the output of the power supply 11 can be passed to the indicator circuit 13. In the present application, the photosensitive circuit 12 is the photosensitive resistor R1, the stronger the illumination is, the lower the resistance of the photosensitive circuit 12 is, and the higher the illumination intensity is, the resistance of the photosensitive resistor R1 decreases rapidly. It will be appreciated that the light sensitive circuit 12 may also be a light sensitive diode.
The indicating circuit 13 emits an indicating light when there is a current. In the present application, the indicator circuit 13 is an indicator lamp D1, and when a current flows, the indicator lamp D1 emits light. Preferably, the indicator circuit 13 emits a red light. The current through indicator light D1 is a status signal. The indicator light D1 may be a light emitting diode. During daytime, the indicating circuit 13 emits light, and the current passes through the photosensitive circuit 12 and the indicating circuit 13 in sequence to reach the control circuit 14, namely, a daytime state signal is sensed by the control circuit 14.
The control circuit 14 may include a control chip U1, and the type of the control chip U1 is not limited, and when receiving the status signal, the control circuit can output a signal, i.e., an illumination signal, to the light emitting circuit 15. The first terminal of the control chip U1 is VDD, the second terminal of the control chip U1 is GND, and the fourth terminal of the control chip U1 outputs an illumination signal when the third terminal of the control chip U1 receives the status signal. Specifically, in the present application, the illumination signal is a high level signal, that is, when the control chip U1 receives the status signal, the fourth terminal of the control chip U1 outputs a high level signal.
The light emitting circuit 15 includes a light emitting unit (not numbered) electrically connected to the output terminal of the power source 11, and a switching element Q1, the light emitting unit is grounded through the switching element Q1, and the switching element Q1 is further electrically connected to the fourth terminal of the control circuit 14. When the switching element Q1 receives the illumination signal, the switching element Q1 controls the light emitting unit to emit light.
The first end of the light emitting unit is electrically connected to the output end, and the second end of the light emitting unit is electrically connected to the switching element Q1. Specifically, the light emitting unit includes one light emitting diode D2 or a plurality of light emitting diodes D2, the positive terminals of the light emitting diodes D2 are electrically connected to the output terminals, and the negative terminals of the light emitting diodes D2 are electrically connected to the switching element Q1. In the present application, a plurality is two or more.
Switch element Q1 includes switch first end, switch second end and switch control end, switch control end with control circuit 14's fourth end electric connection, the first end of switch and luminescence unit's emitting diode's negative pole end electric connection, switch second end ground connection, switch control end are used for receiving during the light signal, control the first end of switch with switch second end switches on to make luminescence unit send out the light, in order to throw light on. The switching element Q1 is a mos transistor or a triode. If the switching element Q1 is mos transistor, the switching element Q1 is N-type mos transistor, the switch control terminal is gate, the switch first terminal is drain, and the switch second terminal is source. When the switching element Q1 is a triode, if the switching element Q1 is an N-type triode, the switch control terminal is a base, the first terminal is an emitter, and the second terminal is a collector.
The lighting circuit 10 further includes a charging circuit 16, the charging circuit 16 is electrically connected to the power source 11, and the charging circuit 16 is used for charging the power source 11. Specifically, charging circuit 16 includes solar panel U2 and first diode D3, solar panel U2's negative pole end ground connection, solar panel U2's positive pole end with first diode D3's positive pole end electric connection, first diode D3's negative pole end respectively with the output control circuit 14's first end electric connection.
Solar panel U2 can convert solar energy into the electric energy to charge power 11, the lighting circuit 10 of this application can not use permanent work under the commercial power condition. The number of solar panels U2 is not limited and may include a plurality of solar panels U2.
The first diode D3 prevents the backflow of power.
The lighting circuit 10 further includes a resistor R2, a first end of the resistor R2 is electrically connected to the output terminal and the negative terminal of the first diode D3, and a second end of the resistor R2 is electrically connected to the first end of the control circuit 14 and the first end of the light sensing circuit 12. The resistor R2 is used to divide the voltage outputted from the output terminal of the power source 11, so that the control circuit 14 and the photosensitive circuit 12 can obtain the appropriate voltage.
The lighting circuit 10 further includes a second diode D4 and a capacitor C, wherein a first end of the capacitor C is electrically connected to the second end of the resistor R2 and the output end, and a second end of the capacitor C is grounded. The positive end of the second diode D4 is grounded, and the negative end of the second diode D4 is electrically connected to the first end of the capacitor C and the second end of the resistor R2, respectively. The capacitor C filters the voltage input to the control circuit 14 to make the voltage more stable. The capacitor C and the second diode D4 can also perform the lightning protection function, for example, when the lighting circuit 10 is in the field, when the lightning strikes the solar panel U2, the capacitor C and/or the second diode D4 are/is broken down by the large voltage, and the large voltage is grounded, so that the control circuit 14 and the like can be prevented from being damaged.
When the solar energy charging device is used, for example, during the daytime when the sunlight is more, the solar panel U2 receives the irradiation of the sunlight to charge the power source 11. Meanwhile, the current reaches the control circuit 14 through the photosensitive circuit 12 and the indicating circuit 13, the control circuit 14 can sense the state signal, namely, the light-emitting circuit 15 does not emit light in the daytime, and the indicating circuit 13 emits light, so that the user can judge that the lighting circuit 10 still works normally. When evening, photosensitive circuit 12 resistance risees, and control circuit 14 can not the sensing state signal, and control circuit 14 control light emitting circuit 15 is luminous, and intelligence has realized not throwing light on daytime, throws light on evening.
Compared with the prior art, the power supply comprises an output end and a grounding end, wherein the grounding end is grounded; the first end of the photosensitive circuit is electrically connected with the output end, and the photosensitive circuit is used for passing current when light irradiates; the first end of the indicating circuit is electrically connected with the second end of the photosensitive circuit, and the indicating circuit is used for emitting indicating light and generating a state signal when the photosensitive circuit is irradiated by light; the first end of the control circuit is electrically connected with the output end, the second end of the control circuit is grounded, the third end of the control circuit is electrically connected with the second end of the indicating circuit, and the control circuit is used for generating an illumination signal when receiving a state signal; the first end of the light-emitting circuit is electrically connected with the output end, the second end of the light-emitting circuit is grounded, the third end of the light-emitting circuit is electrically connected with the fourth end of the control circuit, the light-emitting circuit is used for receiving the lighting signal generated by the control circuit and emitting light, the indicating circuit can emit light when the lighting circuit is normal, the indicating circuit can emit light at night and can intelligently emit light, and the indicating circuit provides a basis for a maintainer to quickly judge whether the lighting circuit is damaged or not.
The lighting circuit of this application still includes solar panel and first diode, solar panel's negative pole end ground connection, solar panel's positive terminal with the positive terminal electric connection of first diode, the negative pole end of first diode respectively with the output control circuit's first end electric connection, solar panel can charge for the power, have increased lighting circuit's illumination time.
The lighting circuit of this application still includes the electric capacity, the first end of electric capacity respectively with the second end of resistance the output electric connection, the second end ground connection of electric capacity, electric capacity can carry out the filtering for the circuit, make the voltage that control circuit received more stable.
The lighting circuit of this application still includes the second diode, the positive terminal ground connection of second diode, the negative pole end of second diode respectively with the first end of electric capacity the second end electric connection of resistance, second diode and electric capacity can play the lightning protection effect, and protection power and control module do not receive the thunderbolt and damage.
It should be noted that the above-mentioned numbers of the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments. And the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A lighting circuit, characterized in that the lighting circuit comprises:
the power supply comprises an output end and a grounding end, and the grounding end is grounded;
the first end of the photosensitive circuit is electrically connected with the output end, and the photosensitive circuit is used for passing current when light irradiates;
the first end of the indicating circuit is electrically connected with the second end of the photosensitive circuit, and the indicating circuit is used for emitting indicating light and generating a state signal when the photosensitive circuit is irradiated by light;
the first end of the control circuit is electrically connected with the output end, the second end of the control circuit is grounded, the third end of the control circuit is electrically connected with the second end of the indicating circuit, and the control circuit is used for generating an illumination signal when receiving a state signal;
and the first end of the light-emitting circuit is electrically connected with the output end, the second end of the light-emitting circuit is grounded, the third end of the light-emitting circuit is electrically connected with the fourth end of the control circuit, and the light-emitting circuit is used for emitting light when receiving the illumination signal generated by the control circuit.
2. The lighting circuit of claim 1, wherein: the lighting circuit comprises a lighting unit and a switch element, the switch element comprises a first switch end, a second switch end and a switch control end, the switch control end is electrically connected with the fourth switch end of the control circuit, the second switch end is grounded, the switch control end is used for receiving the lighting signal, controlling the first switch end to be conducted with the second switch end, the first light emitting unit end is electrically connected with the output end, and the lighting unit is electrically connected with the output end
The second end of the element is electrically connected with the first end of the switch, and when the first end of the switch and the second end of the switch are conducted, the light-emitting unit emits light.
3. The lighting circuit of claim 2, wherein: the switching element is a mos tube or a triode.
4. The lighting circuit of claim 2, wherein: the light-emitting unit comprises one light-emitting diode or a plurality of light-emitting diodes, the positive ends of the light-emitting diodes are electrically connected with the output end, and the negative ends of the light-emitting diodes are electrically connected with the first end of the switch.
5. The lighting circuit of claim 1, wherein: the lighting circuit further comprises a solar panel and a first diode, the negative end of the solar panel is grounded, the positive end of the solar panel is electrically connected with the positive end of the first diode, and the negative end of the first diode is respectively electrically connected with the output end and the first end of the control circuit.
6. The lighting circuit of claim 5, wherein: the lighting circuit further comprises a resistor, wherein a first end of the resistor is electrically connected with the output end and the negative electrode end of the first diode respectively, and a second end of the resistor is electrically connected with a first end of the control circuit and a first end of the photosensitive circuit respectively.
7. The lighting circuit of claim 6, wherein: the lighting circuit further comprises a capacitor, the first end of the capacitor is electrically connected with the second end of the resistor and the output end respectively, and the second end of the capacitor is grounded.
8. The lighting circuit of claim 7, wherein: the lighting circuit further comprises a second diode, the positive end of the second diode is grounded, and the negative end of the second diode is electrically connected with the first end of the capacitor and the second end of the resistor respectively.
9. The lighting circuit of claim 1, wherein: the control circuit comprises a control chip.
10. The lighting circuit of claim 1, wherein: the indicating circuit comprises an indicating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825362.9U CN211297036U (en) | 2019-10-26 | 2019-10-26 | Lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825362.9U CN211297036U (en) | 2019-10-26 | 2019-10-26 | Lighting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211297036U true CN211297036U (en) | 2020-08-18 |
Family
ID=72016627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921825362.9U Expired - Fee Related CN211297036U (en) | 2019-10-26 | 2019-10-26 | Lighting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211297036U (en) |
-
2019
- 2019-10-26 CN CN201921825362.9U patent/CN211297036U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |