CN102469661A - Energy-saving control device and energy-saving control method of street lamp - Google Patents
Energy-saving control device and energy-saving control method of street lamp Download PDFInfo
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- CN102469661A CN102469661A CN2010105518396A CN201010551839A CN102469661A CN 102469661 A CN102469661 A CN 102469661A CN 2010105518396 A CN2010105518396 A CN 2010105518396A CN 201010551839 A CN201010551839 A CN 201010551839A CN 102469661 A CN102469661 A CN 102469661A
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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
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- 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 invention provides an energy-saving control device of a street lamp, comprising a voltage-reducing energy-saving module, a current/voltage sampling module, a first storage module, and a first energy-saving stage control module which is respectively connected with the voltage-reducing energy-saving module, the current/voltage sampling module and the first storage module. The invention further provides an energy-saving control method of the street lamp. The invention can continuously reduce the voltage in a linear manner by using a high-frequency power electronic chopper technology to intermittently switch-on or off the input voltage of the street lamp, so that the value of the input voltage of each street lamp can be linearly reduced, the aims at stably reducing the voltage and saving the energy are realized, the street lamp cannot go out by the sudden changes of the voltage, the safety of citizens walking on the streets at night is ensured, and the service life of the light source of the street lamp cannot be influenced.
Description
Technical field
The present invention relates to electric and electronic technical field, specifically, relate to a kind of road lamp energy-saving control device and energy-saving control method.
Background technology
The road lamp energy-saving control device can carry out Energy Saving Control to single street lamp, can also in time find the fault of each street lamp, not only makes the road lighting better appearance, has also guaranteed citizen's current safety on the night road.Also improve the control and management level of street lamp industry in addition greatly, reduced management cost.But at least also there is following defective in the transitional street lamps energy-saving control device:
1, power-saving technology science not
The road lamp energy-saving technology generally has two kinds at present: current-limiting type power save mode and voltage-dropping type power save mode.The current-limiting type power save mode mainly is through on each street lamp, increasing ballast inductor, controls the inductance value of said ballast inductor and the current value of this street lamp of restricted passage reaches energy-conservation effect.Yet the ballast inductor that is increased must be installed in the lampshade of street lamp, and great inconvenience has been brought with regard to the I&M of giving the road lamp energy-saving control device like this in the rear end of building-out capacitor.
And the voltage-dropping type power save mode mainly is the magnitude of voltage that limits this street lamp through the mode of transformer gearshift step-down, reaches energy-conservation effect.But owing to receive the restriction of installation environment, transformer can not be done too greatly, and so whole step-down amplitude is just restricted.Receive the restriction of whole road lamp energy-saving control device volume simultaneously, the step-down gear of being controlled can not be provided with too much, basically also with regard to 1～2 grade.Like this, if reach predetermined road lamp energy-saving effect, each grade step-down amplitude is just bigger, and as easy as rolling off a log generation street lamp extinguishes in the process of step-down and excessive step-down amplitude can cause.
2, the communication success rate can't guarantee
The main mode of power line carrier that relies on communicates between the control unit of present road lamp energy-saving control device and the centralized unit; And the communication success rate of this communication mode receives the circuit environmental impact bigger, and is all higher to the requirement of the line quality requirement of laying and project installation and test.Present public lighting circuit quality in all parts of the country is uneven; Even some circuit residential electricity consumption and street lamp electricity consumption are shared makes same transformer; Public lighting circuit has been introduced into a large amount of interference signals, has so just caused the communication success rate of the road lamp energy-saving control device of electrification line carrier communication mode to guarantee.
Summary of the invention
Technical problem to be solved by this invention provides a kind of road lamp energy-saving control device and energy-saving control method; Make the magnitude of voltage of each street lamp to regulate on LINEAR CONTINUOUS ground; Reach the purpose of stablizing step-down; Street lamp is extinguished because of voltage jump, realize the effect of Energy Saving Control, guaranteed the communication success rate in addition.
For solving the problems of the technologies described above, the present invention provides a kind of road lamp energy-saving control device, comprising:
The step-down energy-saving module, its input is connected with alternating current input power supplying, and its output is connected with street lamp, is used for exporting to said street lamp after the input voltage reduction;
The current/voltage sampling module is connected with said street lamp, is used for the current current/voltage of said street lamp is sampled;
First memory module, the operational factor that is used to store said road lamp energy-saving control device; And
The first energy-conservation status control module; Be connected with said step-down energy-saving module, current/voltage sampling module and first memory module respectively; Be used for starting said current/voltage sampling module according to the operational factor of said first memory module; Judge whether that according to the sampled result of said current/voltage sampling module needs control the power save mode of said street lamp, then pulse signal is provided if desired to said step-down energy-saving module.
Alternatively, said road lamp energy-saving control device also comprises:
First short-range wireless communication module is connected with the said first energy-conservation status control module; And
Centralized unit; Communicate with said first short-range wireless communication module; Be used for indicating the said street lamp of the said first energy-conservation state controlling module controls to get into corresponding power save mode, and/or receive the work at present state of said street lamp according to the instruction at streetlight monitoring center.
Alternatively, said centralized unit comprises:
The remote radio communication module communicates with the streetlight monitoring center, is used to receive from the instruction of said Surveillance center or with the work at present state feedback of said street lamp give said Surveillance center;
Second short-range wireless communication module communicates with said first short-range wireless communication module, is used for said instruction is sent to said first short-range wireless communication module, and/or receives the work at present state by the street lamp that it fed back;
Input/output module is used to be provided with/show the operational factor of said road lamp energy-saving control device and/or the work at present state of said street lamp;
Second memory module is used to store the data of the operating state of said street lamp; And
The second power save mode control module; Be connected with said remote radio communication module, second short-range wireless communication module, input/output module and second memory module respectively, be used for indicating second short-range wireless communication module to send the work at present state that instructs and/or receive said street lamp according to the instruction of said Surveillance center.
Alternatively, said step-down energy-saving module comprises:
The synchronizing signal generation module is connected with alternating current input power supplying, is used to produce synchronizing signal;
Control signal generating module is connected with the first energy-conservation status control module with said synchronizing signal generation module, is used to produce control signal; And
The step-down output module is connected with control signal generating module with said alternating current input power supplying respectively, is used for conducting when said control signal is high level, when said control signal is broken off during for low level.
Alternatively, said step-down output module comprises:
Driver module is connected with said control signal generating module, is used to strengthen the driving force of said control signal; And
High-frequency switch module is connected with driver module with said alternating current input power supplying, is used for conducting when said control signal is high level, when said control signal is broken off during for low level.
Alternatively, said step-down output module also comprises bypass module, is in parallel with said high-frequency switch module, is used for conducting when said high-frequency switch module breaks down, and guarantees that therefore said street lamp does not extinguish.
Alternatively, said first or second short-range wireless communication module comprises:
Antenna is used to receive/send the work at present state of said instruction and/or said street lamp;
Drive amplifying circuit, be connected, be used for signal amplification the work at present state of said instruction and/or said street lamp with said antenna; And
The 3rd power save mode control module; Be connected with said driving amplifying circuit; Be used for resolving the signal of the work at present state of said instruction and/or said street lamp, be transferred to the first or second power save mode control module and carry out next step operation according to predetermined wireless communication protocol.
Alternatively, the work at present state of said street lamp comprises voltage, electric current, power, power save mode and/or the failure condition of street lamp.
Alternatively, the operational factor of said road lamp energy-saving control device comprises the time of the energy-conservation time of street lamp, energy-conservation gear or switch street lamp.
Correspondingly, the present invention also provides a kind of road lamp energy-saving control method, comprising:
A. load the operational factor of road lamp energy-saving control device;
B. starting current/voltage sample module is sampled to the current current/voltage of street lamp, and sends sampled result to first energy-conservation status control module;
C. the said first energy-conservation status control module need to judge whether the power save mode of the said street lamp of control, then to the step-down energy-saving module pulse signal is provided if desired;
D. said step-down energy-saving module reduces back output with the input voltage of said street lamp.
Alternatively, said step D comprises:
D1. with the synchronizing signal stack of said pulse signal and alternating current input power supplying generation, produce control signal;
D2. said control signal is sent to the step-down output module, with the input voltage reduction back output of said street lamp.
Alternatively, said step-down output module comprises driver module and high-frequency switch module, and said step D2 further comprises:
Said driver module strengthens the driving force of said control signal;
Said high-frequency switch module is judged the level of said control signal, and conducting when said control signal is high level is when said control signal is broken off during for low level.
Alternatively, the operational factor of said road lamp energy-saving control device comprises the time of the energy-conservation time of street lamp, energy-conservation gear or switch street lamp.
The present invention also provides a kind of road lamp energy-saving control method, comprising:
I. load the operational factor of road lamp energy-saving control device;
II. starting current/voltage sample module is sampled to the current current/voltage of street lamp, and sends sampled result to first energy-conservation status control module;
III. the said first energy-conservation status control module is given centralized unit with the work at present state feedback of street lamp;
IV. said centralized unit is given the streetlight monitoring center with said work at present state feedback;
V. said Surveillance center need to judge whether the power save mode of the said street lamp of control, then instruction is sent to said centralized unit if desired;
VI. said centralized unit sends to the said first energy-conservation status control module with said instruction;
VII. the said first energy-conservation status control module provides pulse signal to said step-down energy-saving module;
VIII. said step-down energy-saving module reduces back output with the input voltage of said street lamp.
Alternatively, said step VII comprises:
VII1. with the synchronizing signal stack of said pulse signal and alternating current input power supplying generation, produce control signal;
VII2. said control signal is sent to the step-down output module, with the input voltage reduction back output of said street lamp.
Alternatively, said step-down output module comprises driver module and high-frequency switch module, and said step VII2 further comprises:
Said driver module strengthens the driving force of said control signal;
Said high-frequency switch module is judged the level of said control signal, and conducting when said control signal is high level is when said control signal is broken off during for low level.
Alternatively, the operational factor of said road lamp energy-saving control device comprises the time of the energy-conservation time of street lamp, energy-conservation gear or switch street lamp.
Alternatively, the work at present state of said street lamp comprises voltage, electric current, power, power save mode and/or the failure condition of street lamp.
Compared with prior art, the present invention has the following advantages:
The present invention adopts the intermittent break-make of input voltage of high-frequency power electronic wave chopping technology control street lamp to carry out LINEAR CONTINUOUS ground step-down; Make the input voltage value of each street lamp to reduce linearly; Reaching step-down purpose of energy saving does not stably make street lamp extinguish because of voltage jump again; Both guaranteed the safety that citizen passed through on the road at night, guaranteed also that the useful life of road-light light-source was unaffected.
In addition,, make that road lamp energy-saving control device of the present invention is simple in structure, volume is less, be convenient to install, debug and safeguard owing to do not adopt the current-limiting type power save mode.
At last; Because the present invention adopts the short-distance wireless communication mode to come interactive communication between single street lamp and its centralized unit, can set up closely, the short-range wireless networking of multinode, avoided of the influence of the circuit environment of local street lamp to communication efficiency; Improved the communication success rate, cost is also lower.
Description of drawings
Above-mentioned and other characteristic, character and advantage of the present invention will become more obvious through the description below in conjunction with accompanying drawing and embodiment, wherein:
Fig. 1 is the structured flowchart of the road lamp energy-saving control device of one embodiment of the invention;
Fig. 2 is the structured flowchart of the road lamp energy-saving control device of one embodiment of the invention;
Fig. 3 is the simple block diagram of the road lamp energy-saving control device of one embodiment of the invention;
Fig. 4 is the structured flowchart of centralized unit of the road lamp energy-saving control device of one embodiment of the invention;
Fig. 5 is the structured flowchart of step-down energy-saving module of the road lamp energy-saving control device of one embodiment of the invention;
Fig. 6 is the structured flowchart of the first/the second short-range wireless communication module of the road lamp energy-saving control device of one embodiment of the invention;
Fig. 7 is the flow chart of the road lamp energy-saving control method of one embodiment of the invention;
Fig. 8 is the flow chart of the road lamp energy-saving control method of another embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing the present invention is described further, but should limit protection scope of the present invention with this.
Fig. 1 is the structured flowchart of the road lamp energy-saving control device of one embodiment of the invention.As shown in the figure, road lamp energy-saving control device 100 can comprise:
Step-down energy-saving module 204, its input is connected with alternating current input power supplying, and its output is connected with street lamp 901, is used for exporting to street lamp 901 after the input voltage reduction;
Current/voltage sampling module 208 is connected with street lamp 901, is used for the current current/voltage of street lamp 901 is sampled;
The first energy-conservation status control module 202; Be connected with step-down energy-saving module 204, current/voltage sampling module 208 and first memory module 210 respectively; Be used for operational factor starting current/voltage sample module 208 according to first memory module 210; Judge whether the power save mode of needs control street lamp 901 then pulse signal to be provided if desired according to the sampled result of current/voltage sampling module 208 to step-down energy-saving module 204.
In the present invention, step-down energy-saving module 204 adopts the intermittent break-make of input voltage of high-frequency power electronic wave chopping technology control street lamp 901, and the input voltage value of street lamp 901 can be regulated on LINEAR CONTINUOUS ground.
In the present embodiment, because the data of first memory module, 210 storages are more, therefore can adopt ferroelectric memory, its read or write speed is fast, and memory capacity is also big.
In the present embodiment, the operational factor of road lamp energy-saving control device 100 can comprise the time of the energy-conservation time of street lamp, energy-conservation gear or switch street lamp.
Fig. 2 is the structured flowchart of the road lamp energy-saving control device of another embodiment of the present invention.As shown in the figure, road lamp energy-saving control device 100 can also comprise:
First short-range wireless communication module 206 is connected with the first energy-conservation status control module 202; And
In the present embodiment, the work at present state of street lamp 901 can comprise voltage, electric current, power, power save mode and/or the failure condition of street lamp 901.
In the present embodiment; Step-down energy-saving module 204, first short-range wireless communication module 206, current/voltage sampling module 208 and first memory module 210 also can be formed a control unit 104; Road lamp energy-saving control device 100 then of the present invention can comprise centralized unit 102 and with the control unit 104 of its interactive communication, as shown in Figure 3.
In the present embodiment, control unit 104 can also comprise clock module and power supply.Clock module is connected with the first energy-conservation status control module 202 through the I2C interface, and this first energy-conservation status control module 202 is carried out corresponding operation according to the parameter of current time and setting.Power supply adopts Switching Power Supply to realize, this is because the power consumption of control unit 104 is bigger, considers that simultaneously road lamp energy-saving control device of the present invention can be installed in the lamp stand inside of street lamp, so require its volume more little good more.
Fig. 4 is the structured flowchart of centralized unit of the road lamp energy-saving control device of one embodiment of the invention.As shown in the figure, centralized unit 102 can comprise:
Remote radio communication module 304 communicates with the streetlight monitoring center, is used to receive from the instruction of Surveillance center or with the work at present state feedback of street lamp give Surveillance center;
Second short-range wireless communication module 306 communicates with first short-range wireless communication module 206, is used for instruction is sent to first short-range wireless communication module 206, and/or receives the work at present state by the street lamp that it fed back;
Input/output module 308 is used to be provided with/operational factor of display street lamp energy-saving control device 100 and/or the work at present state of street lamp;
The second power save mode control module 302; Be connected with second memory module 310 with remote radio communication module 304, second short-range wireless communication module 306, input/output module 308 respectively, be used for indicating second short-range wireless communication module 306 to send instruction and/or receiving the work at present state of street lamp according to the instruction of Surveillance center.
In the present embodiment; The second power save mode control module 302 can comprise 32 ARM hardware platforms, embedded μ C/OS II embedded OS software platform; It can break away from Surveillance center; Work alone by local expectant control program, can receive the instruction of Surveillance center again, unified arranging work according to Surveillance center.
In the present embodiment; Remote radio communication module 304 can be made up of its antenna and mainboard; Its antenna can receive the communication signal of public network service (for example move, UNICOM or telecommunications) effectively; Its mainboard can be handled this, and is connected with the second power save mode control module 302 through serial ports.
In the present embodiment; Input/output module 308 can be keypad/display; Keypad/display is used for being provided with the also various parameters of display street lamp energy-saving control device 100; And show the operating state of each street lamp, comprise voltage, electric current, power, power save mode and present failure condition etc.
In the present embodiment, centralized unit 102 can also comprise clock module and power supply.Clock module is connected with the second power save mode control module 302 through the I2C interface, and the second power save mode control module 302 is carried out corresponding operation according to the parameter of current time and setting.Power supply adopts transformer-supplied, after the heap rectification of passing a bridge, through linear power supply chip output DC, supplies whole centralized unit 102 work.
In the present embodiment, because the data of second memory module, 310 storages are more, therefore can adopt ferroelectric memory, its read or write speed is fast, and memory capacity is also big.
Fig. 5 is the structured flowchart of step-down energy-saving module of the road lamp energy-saving control device of one embodiment of the invention.As shown in the figure, step-down energy-saving module 204 can comprise:
Synchronizing signal generation module 502 is connected with alternating current input power supplying, is used to produce synchronizing signal;
Control signal generating module 504 is connected with the first energy-conservation status control module 202 with synchronizing signal generation module 502, is used to produce control signal; And
Step-down output module 505 is connected with control signal generating module 504 with alternating current input power supplying respectively, is used for conducting when control signal is high level, when control signal is broken off during for low level.
As shown in Figure 5, step-down output module 505 can comprise:
High-frequency switch module 508 is connected with driver module 506 with alternating current input power supplying, is used for conducting when control signal is high level, when control signal is broken off during for low level.
In the present embodiment; High-frequency switch module 508 can adopt insulated gate bipolar transistor (InsulatedGate Bipolar Transistor; IGBT); The intermittent break-make of input voltage of utilization high-frequency power electronic wave chopping technology control street lamp can be regulated on LINEAR CONTINUOUS ground the input voltage value of street lamp.
In the present embodiment, step-down output module 505 can also comprise bypass module 510, is in parallel with high-frequency switch module 508, is used for conducting when high-frequency switch module 508 breaks down, and guarantees that therefore street lamp does not extinguish.
Fig. 6 is the structured flowchart of the first/the second short-range wireless communication module of the road lamp energy-saving control device of one embodiment of the invention.As shown in the figure, the first/the second short-range wireless communication module 206/306 can comprise:
Drive amplifying circuit 404, be connected, be used for signal amplification the work at present state of instruction and/or street lamp with antenna 402; And
The 3rd power save mode control module 406; Be connected with driving amplifying circuit 404; Be used for resolving the signal of the work at present state of instruction and/or street lamp, be transferred to the first or second power save mode control module 206,306 and carry out next step operation according to predetermined wireless communication protocol.
In the present embodiment; The first/the second short-range wireless communication module 206/306 can adopt the public frequency range of 2.4GHz to communicate; Communication bandwidth with 100kHz; Can closely set up extensive netted or star-network, the network node capacity reaches 65535, and power consumption is lower, with low cost.
Fig. 7 is the flow chart of the road lamp energy-saving control method of one embodiment of the invention.As shown in the figure, can comprise:
Execution in step S701, the operational factor of loading road lamp energy-saving control device 100;
Execution in step S702, starting current/voltage sample module 208 is sampled to the current current/voltage of street lamp, and sends sampled result to first energy-conservation status control module 202;
Execution in step S703, the first energy-conservation status control module 202 need to judge whether the power save mode of control street lamp, then to step-down energy-saving module 204 pulse signal is provided if desired;
Execution in step S704, step-down energy-saving module 204 reduces back output with the input voltage of street lamp.
In the present embodiment, step S704 can comprise:
Execution in step S7041. produces control signal with the synchronizing signal stack of pulse signal and alternating current input power supplying generation;
Execution in step S7042. sends to step-down output module 505 with control signal, with the input voltage reduction back output of street lamp.
In the present embodiment, step S7042 may further include:
High-frequency switch module 508 is judged the level of control signals, and conducting when control signal is high level is when control signal is broken off during for low level.
Fig. 8 is the flow chart of the road lamp energy-saving control method of another embodiment of the present invention.As shown in the figure, can comprise:
I. load the operational factor of road lamp energy-saving control device 100;
II. starting current/voltage sample module 208 is sampled to the current current/voltage of street lamp, and sends sampled result to first energy-conservation status control module 202;
III. the first energy-conservation status control module 202 is given centralized unit 102 with the work at present state feedback of street lamp;
IV. centralized unit 102 is given the streetlight monitoring center with the work at present state feedback;
V. Surveillance center need to judge whether the power save mode of control street lamp, then instruction is sent to centralized unit 102 if desired;
VI. centralized unit 102 sends to the first energy-conservation status control module 202 with instruction;
VII. the first energy-conservation status control module 202 provides pulse signal to step-down energy-saving module 204;
VIII. step-down energy-saving module 204 reduces back output with the input voltage of street lamp.
In the present embodiment, step VII can comprise:
VII1. with the synchronizing signal stack of pulse signal and alternating current input power supplying generation, produce control signal;
VII2. control signal is sent to step-down output module 505, with the input voltage reduction back output of street lamp.
In the present embodiment, step-down output module 505 comprises driver module 506 and high-frequency switch module 508, and step VII2 may further include:
High-frequency switch module 508 is judged the level of control signals, and conducting when control signal is high level is when control signal is broken off during for low level.
The present invention controls having or not of step-down output module output signal through the break-make at intermittence apace of high-frequency switch module.In the one-period of AC-input voltage, because part-time voltage does not have conducting, therefore reduce from whole cycle voltage acting, also just reached the step-down purpose of energy saving.The time of high-frequency switch module conducting is long, and road lamp energy-saving is just few; The time of high-frequency switch module conducting is short, and road lamp energy-saving is just many.
The present invention adopts the intermittent break-make of input voltage of high-frequency power electronic wave chopping technology control street lamp to carry out LINEAR CONTINUOUS ground step-down; Make the input voltage value of each street lamp to reduce linearly; Reaching step-down purpose of energy saving does not stably make street lamp extinguish because of voltage jump again; Both guaranteed the safety that citizen passed through on the road at night, guaranteed also that the useful life of road-light light-source was unaffected.
In addition,, make that road lamp energy-saving control device of the present invention is simple in structure, volume is less, be convenient to install, debug and safeguard owing to do not adopt the current-limiting type power save mode.
At last; Because the present invention adopts the short-distance wireless communication mode to come interactive communication between single street lamp and its centralized unit, can set up closely, the short-range wireless networking of multinode, avoided of the influence of the circuit environment of local street lamp to communication efficiency; Improved the communication success rate, cost is also lower.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (18)
1. road lamp energy-saving control device comprises:
The step-down energy-saving module, its input is connected with alternating current input power supplying, and its output is connected with street lamp, is used for exporting to said street lamp after the input voltage reduction;
The current/voltage sampling module is connected with said street lamp, is used for the current current/voltage of said street lamp is sampled;
First memory module, the operational factor that is used to store said road lamp energy-saving control device; And
The first energy-conservation status control module; Be connected with said step-down energy-saving module, current/voltage sampling module and first memory module respectively; Be used for starting said current/voltage sampling module according to the operational factor of said first memory module; Judge whether that according to the sampled result of said current/voltage sampling module needs control the power save mode of said street lamp, then pulse signal is provided if desired to said step-down energy-saving module.
2. road lamp energy-saving control device according to claim 1 is characterized in that, said road lamp energy-saving control device also comprises:
First short-range wireless communication module is connected with the said first energy-conservation status control module; And
Centralized unit; Communicate with said first short-range wireless communication module; Be used for indicating the said street lamp of the said first energy-conservation state controlling module controls to get into corresponding power save mode, and/or receive the work at present state of said street lamp according to the instruction at streetlight monitoring center.
3. road lamp energy-saving control device according to claim 2 is characterized in that, said centralized unit comprises:
The remote radio communication module communicates with the streetlight monitoring center, is used to receive from the instruction of said Surveillance center or with the work at present state feedback of said street lamp give said Surveillance center;
Second short-range wireless communication module communicates with said first short-range wireless communication module, is used for said instruction is sent to said first short-range wireless communication module, and/or receives the work at present state by the street lamp that it fed back;
Input/output module is used to be provided with/show the operational factor of said road lamp energy-saving control device and/or the work at present state of said street lamp;
Second memory module is used to store the data of the operating state of said street lamp; And
The second power save mode control module; Be connected with said remote radio communication module, second short-range wireless communication module, input/output module and second memory module respectively, be used for indicating second short-range wireless communication module to send the work at present state that instructs and/or receive said street lamp according to the instruction of said Surveillance center.
4. road lamp energy-saving control device according to claim 1 is characterized in that, said step-down energy-saving module comprises:
The synchronizing signal generation module is connected with alternating current input power supplying, is used to produce synchronizing signal;
Control signal generating module is connected with the first energy-conservation status control module with said synchronizing signal generation module, is used to produce control signal; And
The step-down output module is connected with control signal generating module with said alternating current input power supplying respectively, is used for conducting when said control signal is high level, when said control signal is broken off during for low level.
5. road lamp energy-saving control device according to claim 4 is characterized in that, said step-down output module comprises:
Driver module is connected with said control signal generating module, is used to strengthen the driving force of said control signal; And
High-frequency switch module is connected with driver module with said alternating current input power supplying, is used for conducting when said control signal is high level, when said control signal is broken off during for low level.
6. road lamp energy-saving control device according to claim 5; It is characterized in that said step-down output module also comprises bypass module, be in parallel with said high-frequency switch module; Be used for conducting when said high-frequency switch module breaks down, guarantee that therefore said street lamp does not extinguish.
7. according to claim 2 or 3 described road lamp energy-saving control device, it is characterized in that said first or second short-range wireless communication module comprises:
Antenna is used to receive/send the work at present state of said instruction and/or said street lamp;
Drive amplifying circuit, be connected, be used for signal amplification the work at present state of said instruction and/or said street lamp with said antenna; And
The 3rd power save mode control module; Be connected with said driving amplifying circuit; Be used for resolving the signal of the work at present state of said instruction and/or said street lamp, be transferred to the first or second power save mode control module and carry out next step operation according to predetermined wireless communication protocol.
8. according to claim 2 or 3 described road lamp energy-saving control device, it is characterized in that the work at present state of said street lamp comprises voltage, electric current, power, power save mode and/or the failure condition of street lamp.
9. according to each described road lamp energy-saving control device in the claim 1 to 3, it is characterized in that the operational factor of said road lamp energy-saving control device comprises the time of the energy-conservation time of street lamp, energy-conservation gear or switch street lamp.
10. a road lamp energy-saving control method is characterized in that, comprising:
A. load the operational factor of road lamp energy-saving control device;
B. starting current/voltage sample module is sampled to the current current/voltage of street lamp, and sends sampled result to first energy-conservation status control module;
C. the said first energy-conservation status control module need to judge whether the power save mode of the said street lamp of control, then to the step-down energy-saving module pulse signal is provided if desired;
D. said step-down energy-saving module reduces back output with the input voltage of said street lamp.
11. road lamp energy-saving control method according to claim 10 is characterized in that, said step D comprises:
D1. with the synchronizing signal stack of said pulse signal and alternating current input power supplying generation, produce control signal;
D2. said control signal is sent to the step-down output module, with the input voltage reduction back output of said street lamp.
12. road lamp energy-saving control method according to claim 11 is characterized in that, said step-down output module comprises driver module and high-frequency switch module, and said step D2 further comprises:
Said driver module strengthens the driving force of said control signal;
Said high-frequency switch module is judged the level of said control signal, and conducting when said control signal is high level is when said control signal is broken off during for low level.
13. road lamp energy-saving control method according to claim 10 is characterized in that, the operational factor of said road lamp energy-saving control device comprises the time of the energy-conservation time of street lamp, energy-conservation gear or switch street lamp.
14. a road lamp energy-saving control method is characterized in that, comprising:
I. load the operational factor of road lamp energy-saving control device;
II. starting current/voltage sample module is sampled to the current current/voltage of street lamp, and sends sampled result to first energy-conservation status control module;
III. the said first energy-conservation status control module is given centralized unit with the work at present state feedback of street lamp;
IV. said centralized unit is given the streetlight monitoring center with said work at present state feedback;
V. said Surveillance center need to judge whether the power save mode of the said street lamp of control, then instruction is sent to said centralized unit if desired;
VI. said centralized unit sends to the said first energy-conservation status control module with said instruction;
VII. the said first energy-conservation status control module provides pulse signal to said step-down energy-saving module;
VIII. said step-down energy-saving module reduces back output with the input voltage of said street lamp.
15. road lamp energy-saving control method according to claim 14 is characterized in that, said step VII comprises:
VII1. with the synchronizing signal stack of said pulse signal and alternating current input power supplying generation, produce control signal;
VII2. said control signal is sent to the step-down output module, with the input voltage reduction back output of said street lamp.
16. road lamp energy-saving control method according to claim 15 is characterized in that, said step-down output module comprises driver module and high-frequency switch module, and said step VII2 further comprises:
Said driver module strengthens the driving force of said control signal;
Said high-frequency switch module is judged the level of said control signal, and conducting when said control signal is high level is when said control signal is broken off during for low level.
17. road lamp energy-saving control method according to claim 14 is characterized in that, the operational factor of said road lamp energy-saving control device comprises the time of the energy-conservation time of street lamp, energy-conservation gear or switch street lamp.
18. road lamp energy-saving control method according to claim 14 is characterized in that, the work at present state of said street lamp comprises voltage, electric current, power, power save mode and/or the failure condition of street lamp.
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| CN2010105518396A CN102469661A (en) | 2010-11-19 | 2010-11-19 | Energy-saving control device and energy-saving control method of street lamp |
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| CN2010105518396A CN102469661A (en) | 2010-11-19 | 2010-11-19 | Energy-saving control device and energy-saving control method of street lamp |
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