CN201312398Y - Multilevel light regulating control circuit used for light complementary street lamp - Google Patents
Multilevel light regulating control circuit used for light complementary street lamp Download PDFInfo
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- CN201312398Y CN201312398Y CNU2008200947675U CN200820094767U CN201312398Y CN 201312398 Y CN201312398 Y CN 201312398Y CN U2008200947675 U CNU2008200947675 U CN U2008200947675U CN 200820094767 U CN200820094767 U CN 200820094767U CN 201312398 Y CN201312398 Y CN 201312398Y
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a multilevel light regulating control circuit used for a light complementary street lamp, comprising a luminous body, a current sampling apparatus, at least two input channels and a power regulating circuit, wherein the luminous body is connected between a positive pole and a negative pole of an electrical source to form a luminous return circuit, the current sampling apparatus is arranged on the luminous return circuit and used for responding the value of current flowing through the luminous body by outputting voltage signals at both ends of the luminous body, the input channels are led out of the negative pole of the electrical source in parallel, and can respectively form an independent luminous return circuit with the luminous body and the positive pole of the electrical source, simultaneously corresponding to different rated capacities, and the power regulating circuit is used for choosing a corresponding reference voltage according to the input channel connected with the luminous return circuit and regulating the value of the current of the luminous return circuit according to a comparative value of the voltage signal of the current sampling apparatus and the reference voltage to enable the luminous body to obtain the rated capacity. The utility model can enable a street lamp to output multilevel illuminating power, has energy conservation, environmental protection and uniform illumination zone, and enables the applicability of a light complementary street lamp system to be stronger and the applied range to be wider.
Description
Technical field
The utility model relates to the street lamp field, relates in particular to a kind of multistage adjusting control circuit that is used for wind and light complementary road lamp.
Background technology
Wind and light complementary road lamp is that a kind of being held by wind power generation and solar power generation stored up the novel street lamp light source that gets up to power, and it does not need transmission line, and consumed power does not have tangible economic benefit.At present, in China and Europe, developed countries such as Japan, the U.S., the wind and light complementary road lamp system has all obtained popularizing more and more widely.But, because wind energy and solar energy all belong to natural energy resources,,, promptly reduce its power output if can satisfy the illumination of rationally regulating street lamp under the lighting demand so its power supply is very limited, then can reduce unnecessary power supply waste.Power supply is of great rarity for wind and light complementary road lamp, reduces the power supply waste, then is to increase its utilization ratio.
Under having, the bright lamp mode of traditional wind and light complementary road lamp sees kind:
Complete bright and do not work: street lamp no matter when can only the complete bright illumination or the closed condition that do not work, and can not regulate brightness according to the road operating position, the minimum period cause energy waste at vehicle and pedestrian;
Complete bright and half bright: can be according to different occasions, different needs, street lamp have bright or only bright half the lamp group setting of whole lamp groups, realize complete bright and bright function partly.Owing to adopt part lamp group highlights branch not work, can cause illumination unevenness like this; Moreover, do the lighting time difference that can make the lamp group like this, make between the lamp group and produce difference.
The utility model content
Technical problem to be solved in the utility model is: a kind of multistage adjusting control circuit that is used for wind and light complementary road lamp is provided, and this circuit can make street lamp export multi-level brightness as required, energy savings, and its lamp group operating time unanimity, illumination zone is even.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of multistage adjusting control circuit that is used for wind and light complementary road lamp includes and is connected the luminous element that forms luminous loop between positive source and the negative pole, and this circuit also comprises:
Current sampling device is arranged on the described luminous loop, is used for reflecting the current value that flows through described luminous element by the voltage signal of exporting its two ends;
At least two input channels are drawn from power cathode in parallel, and every input channel can constitute independently luminous loop with luminous element and positive source respectively, and corresponding different rated power;
Power conditioning circuitry, link to each other with every input channel and current sampling device respectively, be used for according to the selected corresponding reference voltage of the input channel that inserts luminous loop, and regulate the current value in luminous loop according to the comparison value of the voltage signal of described current sampling device and described reference voltage, make luminous element reach rated power.
The beneficial effects of the utility model are: embodiment of the present utility model is by connecting different input channels, and the size of current of regulating street lamp according to the reference voltage of input channel correspondence, change its power output, thereby make street lamp export multi-level brightness, energy-conserving and environment-protective as required, its lamp group operating time unanimity, illumination zone is even, and make the applicability of wind and light complementary road lamp system stronger, range of application is wider.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the composition module map of the embodiment of multistage adjusting control circuit that provides of the utility model.
Fig. 2 is the circuit theory diagrams in luminous loop among embodiment of multistage adjusting control circuit of providing of the utility model.
Fig. 3 is input detecting circuit and a passage testing circuit schematic diagram among embodiment of multistage adjusting control circuit of providing of the utility model.
Fig. 4 is the circuit theory diagrams of comparison circuit and reference circuit in the multistage adjusting control circuit that provides of the utility model.
Embodiment
With reference to figure 1, this figure is the composition module map of the embodiment of multistage adjusting control circuit that provides of the utility model; As shown in the figure, present embodiment mainly comprises:
Be connected the luminous element that forms luminous loop between positive source and the negative pole, described luminous element adopts LED lamp group, and present embodiment adopts direct current supply;
At least two input channels 2 are drawn from power cathode in parallel, and every input channel can constitute independently luminous loop with luminous element and positive source respectively, and corresponding different rated power;
Power conditioning circuitry, link to each other with every input channel and current sampling device respectively, form by illustrated passage testing circuit 3, reference circuit 4, single chip machine controlling circuit 5, comparison circuit 6 and current regulating circuit 7, be used for according to the selected corresponding circuit reference voltage of the input channel that inserts luminous loop, and, make luminous element reach rated power according to the voltage signal of described current sampling device 1 output and the current value in the luminous loop of comparison value (being the error comparative voltage) adjusting of the reference voltage of described single chip machine controlling circuit 6 outputs.
Wherein, function of described power conditioning circuitry each several part and annexation are as follows:
Single chip machine controlling circuit 5 between described passage testing circuit and reference circuit, is used for selecting corresponding reference voltage according to the rated power of described effective input channel;
Current regulating circuit 7 is arranged on the described luminous loop and with described comparison circuit and links to each other, and is used for making luminous element reach the rated power of this input channel according to the current value of described error ratio than the luminous loop of voltage-regulation.
The following luminous loop that present embodiment is described with reference to Fig. 2.In the present embodiment, the part that is arranged on luminous loop has:
LED lamp group, shunt 1, current regulating circuit 7, stabilized voltage power supply 8.Wherein, matrix current adjustment circuit 7 further comprises:
Current rectifying and wave filtering circuit is made up of illustrated inductance L, diode D1, capacitor C 0, switching power tube Q1, is used for circuit is carried out rectifying and wave-filtering, enough driving voltages and constant drive current is provided for LED lamp group.
Stabilized voltage power supply 8, between positive source and negative pole, it adopts integrated package of pressure-stabilizing, for circuit provides stable power.
The following passage testing circuit that present embodiment is described with reference to Fig. 3.
As shown in the figure, passage testing circuit 3 in fact also can be finished the input channel status detection by shunt and amplifier comparator, when a certain input channel is connected, the shunt that is connected in the loop has electric current to pass through, to produce voltage, behind amplifier IC 1 amplifying signal, compare with voltage comparator ic 2, if its electric current reaches certain value, then produce operating current, voltage comparator ic 2 can high level of output represents that this passage connects, otherwise voltage comparator ic 2 output low levels represent that this path does not have connection.Level signal can be sent to the usefulness of single chip machine controlling circuit for control.In the present embodiment, adopt two output channels, then its connected mode has two input channels all to connect and three kinds of modes of wherein arbitrary passage connection, can corresponding three grades of rated power.
During specific implementation, passage testing circuit 3 and current regulating circuit 7 can share a DC/DC constant-flow driver and realize.
Following reference circuit 4, comparison circuit 5 and the single chip machine controlling circuit 6 that present embodiment is described with reference to Fig. 4.
The electric current that flows through LED lamp group enters comparator IC2 link through the voltage signal that shunt 1 produces, with reference voltage, if surpass benchmark, then comparator can be exported high level and in pwm control circuit 71 the PWM square wave adjusted, and makes it export desired constant current.
The utility model adopts direct current supply, can pass through the manual adjustment input channel, reduces the input expense; Also can use, form road lamp system with an automatic light meter,, give full play to the intelligent of wind light mutual complementing controller, realize intelligent dimming by the on-state of wind light mutual complementing controller decision input channel with the collocation of wind light mutual complementing controller.The realization of multistage light modulation can make the adaptability of wind and light complementary road lamp stronger, and range of application is wider, even can be used for major urban arterial highway.
The above is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (9)
1, a kind of multistage adjusting control circuit that is used for wind and light complementary road lamp includes and is connected the luminous element that forms luminous loop between positive source and the negative pole, it is characterized in that this circuit also comprises:
Current sampling device is arranged on the described luminous loop, is used for reflecting the current value that flows through described luminous element by the voltage signal of exporting its two ends;
At least two input channels are drawn from power cathode in parallel, and every input channel can constitute independently luminous loop with luminous element and positive source respectively, and corresponding different rated power;
Power conditioning circuitry, link to each other with every input channel and current sampling device respectively, be used for according to the selected corresponding reference voltage of the input channel that inserts luminous loop, and regulate the current value in luminous loop according to the comparison value of the voltage signal of described current sampling device and described reference voltage, make luminous element reach rated power.
2, be used for the multistage adjusting control circuit of wind and light complementary road lamp according to claim 1, it is characterized in that, described power conditioning circuitry includes:
The passage testing circuit links to each other with every input channel respectively, is used for determining to insert effective input channel in luminous loop;
Reference circuit is used to provide a plurality of reference voltages, and described reference voltage is corresponding one by one with the rated power of described input channel;
Single chip machine controlling circuit between described passage testing circuit and reference circuit, is used for selecting corresponding reference voltage according to the rated power of described effective input channel;
Comparison circuit between described reference circuit and current sampling device, is used for the voltage and the reference voltage of current sampling device are compared, and the output error comparative voltage;
Current regulating circuit is arranged on the described luminous loop and with described comparison circuit and links to each other, and is used for making luminous element reach the rated power of this input channel according to the current value of described error ratio than the luminous loop of voltage-regulation.
3, as being used for the multistage adjusting control circuit of wind and light complementary road lamp as described in the claim 2, it is characterized in that, described reference circuit includes the resistance that a plurality of ends are connected in parallel on described comparison circuit input, wherein, another termination working power, an other end ground connection in the described resistance, the remaining resistance other end then is connected to single chip machine controlling circuit.
4, as being used for the multistage adjusting control circuit of wind and light complementary road lamp as described in the claim 2, it is characterized in that described current regulating circuit includes:
Pwm control circuit is used for according to the error ratio of the described comparison circuit output pulse duration than the voltage-regulation output signal;
Current rectifying and wave filtering circuit is used for circuit is carried out rectifying and wave-filtering, provides driving voltage and constant drive current to luminous element.
5, as being used for the multistage adjusting control circuit of wind and light complementary road lamp as described in the claim 2, it is characterized in that described comparison circuit includes amplifier, be used for voltage with described current sampling device and carry out signal and amplify; And comparator, be used for the voltage after the described amplification is compared with reference voltage, and the output error comparative voltage.
6, be used for the multistage adjusting control circuit of wind and light complementary road lamp according to claim 1, it is characterized in that, described current sampling device is a shunt.
7, be used for the multistage adjusting control circuit of wind and light complementary road lamp according to claim 1, it is characterized in that, described luminous element is a LED lamp group.
8, be used for the multistage adjusting control circuit of wind and light complementary road lamp according to claim 1, it is characterized in that, this circuit also is provided with stabilized voltage power supply, between positive source and negative pole, is used to circuit that stable operating voltage is provided.
9, as being used for the multistage adjusting control circuit of wind and light complementary road lamp as described in the claim 8, it is characterized in that described stabilized voltage power supply is an integrated package of pressure-stabilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200947675U CN201312398Y (en) | 2008-05-21 | 2008-05-21 | Multilevel light regulating control circuit used for light complementary street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200947675U CN201312398Y (en) | 2008-05-21 | 2008-05-21 | Multilevel light regulating control circuit used for light complementary street lamp |
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| Publication Number | Publication Date |
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| CN201312398Y true CN201312398Y (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200947675U Expired - Fee Related CN201312398Y (en) | 2008-05-21 | 2008-05-21 | Multilevel light regulating control circuit used for light complementary street lamp |
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| CN (1) | CN201312398Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860134A (en) * | 2010-04-14 | 2013-01-02 | 皇家飞利浦电子股份有限公司 | Method and apparatus for detecting presence of dimmer and controlling power delivered to solid state lighting load |
| CN105282896A (en) * | 2014-05-27 | 2016-01-27 | 宁波高新区赛尔富电子有限公司 | Power supply control circuit of LED lamp |
| CN105392261A (en) * | 2015-12-14 | 2016-03-09 | 深圳市明微电子股份有限公司 | Linear constant-power and constant-current LED drive circuit |
-
2008
- 2008-05-21 CN CNU2008200947675U patent/CN201312398Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860134A (en) * | 2010-04-14 | 2013-01-02 | 皇家飞利浦电子股份有限公司 | Method and apparatus for detecting presence of dimmer and controlling power delivered to solid state lighting load |
| CN102860134B (en) * | 2010-04-14 | 2015-06-17 | 皇家飞利浦电子股份有限公司 | Method and apparatus for detecting presence of dimmer and controlling power delivered to solid state lighting load |
| CN105282896A (en) * | 2014-05-27 | 2016-01-27 | 宁波高新区赛尔富电子有限公司 | Power supply control circuit of LED lamp |
| CN105282896B (en) * | 2014-05-27 | 2019-08-02 | 赛尔富电子有限公司 | A kind of LED lamp power control circuit |
| CN105392261A (en) * | 2015-12-14 | 2016-03-09 | 深圳市明微电子股份有限公司 | Linear constant-power and constant-current LED drive circuit |
| CN105392261B (en) * | 2015-12-14 | 2018-04-10 | 深圳市明微电子股份有限公司 | Invariable power linear constant current LED drive circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Yangguang Fuyuan Photoelectric Industry Co., Ltd. Assignor: Shenzhen Richful Solar Energy Technology Co., Ltd. Contract record no.: 2011990001001 Denomination of utility model: Multilevel light regulating control circuit used for light complementary street lamp Granted publication date: 20090916 License type: Exclusive License Record date: 20111024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20160521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |