CN210351723U - High-power intelligent double-technology solar street lamp - Google Patents

Abstract

The utility model discloses a high-power intelligent double-identification solar street lamp, including two-sided solar module, LED lamp and street lamp cavity, two-sided solar module is including sealing up the solar wafer between two glass, set up the battery in the street lamp cavity, intelligent control ware, microwave inductor and infrared inductor, intelligent control ware and battery, microwave inductor, infrared inductor and solar wafer electricity are connected, be connected with the DC converter through drive circuit on the intelligent control ware, the energy input end and the output of DC converter are connected with solar wafer and battery electricity respectively, the battery is connected with the LED lamp. The utility model discloses can realize accurate detection and economize on electricity function according to energy storage battery electric quantity intelligent regulation LED lighting power, improve the light source utilization ratio, DC/DC converter charges to the battery with maximum power tracking, has improved the charge efficiency of battery, two-sided solar module long service life, reduce cost.

Description

High-power intelligent double-technology solar street lamp

Technical Field

The utility model belongs to the technical field of the street lamp illumination, especially, relate to a high-power intelligent double-technology solar street lamp.

Background

The traditional street lamp is convenient to illuminate but consumes power, the solar street lamp is a relatively independent system, complex preparation projects such as ditching, pipe burying and paying off are not needed, and manpower, material resources and expenditure budget are saved. And compared with the conventional high-voltage sodium lamp, the power consumption of the solar street lamp can be saved by about 4 times. With the acceleration of the urbanization construction process of China and the acceleration of the construction of urban infrastructure, the market demand of cities on lighting products is gradually expanded. Under the large background of energy shortage, the traditional lighting equipment consumes huge energy, has huge energy waste, obviously does not accord with the development direction of energy structure adjustment in China, and simultaneously greatly limits the utilization efficiency of the lighting equipment. And the solar street lamp effectively makes up the defects. The solar street lamp can reduce the power consumption for illumination, and is an important way for saving energy.

The street lamp illumination is generally carried out at night or on rainy days, so the working mode of the solar street lamp is as follows: the solar battery charges the storage battery in daytime through the charging circuit under the control of the controller, and the storage battery starts the street lamp and adjusts the brightness through the discharging/driving circuit under the control of the controller at night or in continuous rainy days. In the solar street lamp system, the service life of the solar panel can reach more than 25 years, the service life of the lamp post can also exceed 30 years, the solar lamp controller works stably and has extremely low failure rate, the service life of the LED light source is about 10 ten thousand hours, and the LED light source can work for more than 34 years according to 8 hours of work each day. However, the service life of the commonly used maintenance-free lead-acid storage battery is generally 2 to 3 years, so the service life of the storage battery basically represents the periodic service life of the solar street lamp, and the bearing capacity of the storage battery needs to be considered when designing and configuring a street lamp system.

At present, the main problems of solar LED street lamps are as follows: (1) the daily working time of the LED street lamp is approximately the same as the working requirement of a common street lamp, the LED lamp is easy to lack electric energy and cannot be used in winter with short sunshine time or in continuous rainy days, and the capacities of the solar photovoltaic component and the energy storage battery are fully considered in the design. Based on the current situation that the cost of the energy storage battery is relatively high and the actual installation and use requirements of products, the power generation efficiency of the solar battery needs to be further improved under the limited product size, so that the power consumption cost is reduced. (2) The existing high-power LED lighting lamp adopts a three-layer structure mode of 'a chip, an aluminum substrate and a radiator', although the structure is mature in technology and relatively easy to improve, the internal thermal contact resistance of the structure is high, the radiating efficiency is low, the LED chip can emit a large amount of heat while emitting light, so that the working temperature of the LED is increased, tests show that 5% -8% of light attenuation can be generated when the working temperature of the LED is increased by 10 ℃, the service life of the LED is further shortened, and therefore the working temperature of the LED is easily increased by a large amount of heat to cause large light attenuation, and timely and effective radiating equipment must be adopted. In addition, the capacity of the energy storage battery is correspondingly higher in high-power illumination, the use safety of the energy storage battery is lower under high-temperature and high-humidity conditions, the service life of the storage battery commonly used in the market is generally 2-3 years, and the maintenance cost of the product in the later use period is greatly increased. (3) Solar street lamp is mostly split type design and uses lead acid battery mostly, and the installation is maintained inconveniently, and whole life-span is about 3 years. (4) The existing solar street lamp detector adopts a microwave detector, has low sensitivity, high false alarm rate, high installation and use difficulty and high energy consumption, has detection blind areas behind overlarge and overlarge metal, is easy to miss report on a slow moving target, is easy to be interfered by a power supply, thermoelectric noise or radar and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-power intelligent double-technology solar street lamp aims at solving the problem that current solar street lamp exists among the above-mentioned background art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a high-power intelligent double-technology solar street lamp, includes two-sided solar module, LED lamp and street lamp cavity, two-sided solar module is including sealing up the solar wafer between two glass, and two-sided solar module sets up in street lamp cavity top surface, the LED lamp sets up in the bottom surface of street lamp cavity, set up battery, intelligent control ware, microwave inductor and infrared inductor in the street lamp cavity, intelligent control ware and battery, microwave inductor, infrared inductor and solar wafer electricity are connected, be connected with the DC/DC converter through drive circuit on the intelligent control ware, the energy input end and the output of DC/DC converter are connected with solar wafer and battery electricity respectively, the battery is connected with the LED lamp.

Preferably, a fan and an adjustable temperature controller are arranged in the street lamp cavity, the adjustable temperature controller is connected with the fan, a flat micro heat pipe radiating fin is pasted between the inner wall of the street lamp cavity and the shell of the storage battery through insulating heat conduction silica gel, and a storage battery bin radiating hole is formed in the wall, close to the storage battery, of the street lamp cavity.

Preferably, a microgroove group structure is arranged in the flat micro heat pipe radiating fin.

Preferably, the intelligent controller adopts an STC12C5A60S2 singlechip.

Preferably, the infrared sensor circuit comprises a pyroelectric sensor and a BIS0001 chip, and the microwave sensor circuit comprises a microwave sensing human body sensor TX982 and a CD4011 integrated circuit.

Preferably, the double-sided solar cell module is detachably mounted outside the street lamp cavity.

Preferably, the storage battery adopts a lithium iron phosphate battery.

Preferably, the driving circuit drives the switch tube by adopting an isolation type B1215LS and an FOD 3181.

Preferably, the LED light source adopts an LED lamp with power more than or equal to 100W.

Preferably, the housing of the street lamp cavity is made of an aluminum alloy material.

Compare in prior art's shortcoming and not enough, the utility model discloses following beneficial effect has:

(1) the street lamp adopts various control logics for intelligent integration, and the street lamp controller adopts an intelligent energy management control mode, so that the LED lighting power can be intelligently adjusted according to the electric quantity of the energy storage battery, and the set effective lighting working time is ensured; the method is characterized in that a lighting mode is controlled in a mode of microwave detection leading and infrared detection assisting and using an intelligent composite control strategy so as to realize accurate detection and electricity-saving functions, and double detectors can be respectively started independently; the starting, the stopping and the brightness of the lamp can meet different illumination requirements through light induction control, photoelectric control and time control; and the MPPT charging management control mode improves the charging efficiency of the storage battery.

(2) The heat dissipation mode in the lamp body adopts a mode of combining active heat dissipation and passive heat dissipation, the active heat dissipation is turbulent heat dissipation by additionally arranging a fan, and an adjustable temperature controller is used for controlling the operation of the turbulent fan; the passive heat dissipation adopts low-heat resistance flat micro heat pipe heat dissipation fins to be tightly adhered to a uniform-temperature aluminum substrate and a storage battery shell through an insulating heat conduction silica gel material, and meanwhile, the design of 'hot spot partition isolation' is adopted, so that heating or heat sensitive parts such as an LED lamp and a storage battery are reasonably distributed in a partition mode, an obvious temperature difference gradient is prevented from being formed in a small internal area, and the condition that the whole machine has no local hot spots is ensured.

(3) The double-glass packaged double-sided solar cell module has high reliability, good strength, high load resistance and capability of resisting ultraviolet radiation aging and hidden cracking, the solar cell is sealed between two layers of glass and can effectively prevent water from permeating, a waterproof protection device is not required to be additionally arranged, a leakage path between a cell and an external metal conductor does not exist, potential induced attenuation and oxidation damage of the solar cell are avoided, the double-sided solar cell module is good in performance under various severe environments (high temperature, humidity, acid and alkali, salt mist and sand dust), the fireproof performance is excellent, and the service life is prolonged. The double-glass packaged double-sided battery photovoltaic module can be independently installed and used to meet the orientation adjusting requirement under a special service condition.

(4) The solar lamp uses a high-efficiency double-glass packaged double-sided battery photovoltaic assembly, an ultra-long-life lithium iron phosphate battery, a high-power high-light-efficiency LED (light emitting diode) (more than or equal to 100W), an intelligent controller, an infrared sensor and a microwave sensor, and is designed and packaged in an integrated mode, so that the system cost is reduced while the lighting time is prolonged and the lighting effect is improved by using a high-efficiency light source.

Drawings

Fig. 1 is a schematic structural diagram of a high-power intelligent dual-technology solar street lamp provided by the embodiment of the utility model.

Fig. 2 is a circuit control block diagram of the high-power intelligent dual-technology solar street lamp provided by the embodiment of the utility model.

Fig. 3 is a control circuit diagram of the STC12C5a60S2 single chip microcomputer provided by the embodiment of the present invention.

Fig. 4 is a circuit diagram of the power supply of the single chip microcomputer provided by the embodiment of the present invention.

Fig. 5 is a voltage acquisition circuit and a DC/DC circuit diagram provided by the embodiment of the present invention.

Fig. 6 is a driving circuit diagram provided by an embodiment of the present invention.

Fig. 7 is a circuit diagram of current collection provided by the embodiment of the present invention.

Fig. 8 is a circuit diagram of an infrared sensor according to an embodiment of the present invention.

Fig. 9 is a circuit diagram of a microwave inductor according to an embodiment of the present invention.

Fig. 10 is a circuit diagram of a full power/half power mode for PWM dimming according to an embodiment of the present invention.

In the figure: 1-a street lamp cavity; 2-a bifacial solar cell module; 3-a storage battery; 4-LED lamps; 5-an intelligent controller; 6-infrared inductor; 7-street lamp system switch; 8-battery compartment heat dissipation holes; 9-fixing a bracket; 10-a microwave inductor; 11-cable wires; 12-aviation plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.

Referring to fig. 1, the utility model provides a high-power intelligent double-technology solar street lamp, including two-sided solar module 2, LED lamp 4 and street lamp cavity 1, the shell of street lamp cavity 1 adopts the aluminum alloy material, and light in weight, mechanical properties and heat dispersion are good. The double-sided solar cell module 2 is arranged on the top surface of the street lamp cavity 1, the double-sided solar cell module 2 comprises a solar cell piece sealed between two pieces of glass, the two sides of the double-sided solar cell module 2 can receive solar radiation, the front side of the module receives solar direct radiation, and the back side of the module receives solar scattered radiation, so that the double-sided solar cell module 2 can obviously improve the capacity of photovoltaic power generation. The double-sided solar cell module 2 has high conversion efficiency under low illumination and weak illumination, the equivalent module efficiency reaches 24.5 percent, the maximum output power can reach 132 percent of the nominal power, and the system cost can be reduced by more than 25 percent; meanwhile, the double-sided assembly packaged by the double glasses has high reliability, good strength, high load resistance, ultraviolet radiation aging resistance and hidden cracking resistance, the solar cell is sealed between the two layers of glass and can effectively prevent water from permeating, a leakage path between the cell and an external metal conductor does not exist, Potential Induced Degradation (PID) and oxidation damage of the solar cell are avoided, the performance under various severe environments (high temperature, humidity, acid and alkali, salt mist and sand dust) is good, the fireproof performance is excellent, and the service life is prolonged. The double-glass packaged double-sided battery photovoltaic module can be independently installed and used to meet the orientation adjusting requirement under a special service condition.

Be provided with aviation plug 12 on the street lamp cavity 1, set up battery 3 in the street lamp cavity 1, intelligent control ware 5, microwave inductor 10 and infrared inductor 6, solar wafer is connected with intelligent control ware 5 after getting into aviation plug 12 through cable conductor 11, intelligent control ware 5 and battery 3, microwave inductor 10, infrared inductor 6 and solar wafer electricity are connected, be connected with the DC/DC converter through drive circuit on the intelligent control ware 5, drive circuit adopts the B1215LS and the FOD3181 of having isolation to drive the switch tube, satisfy the requirement of MOS pipe work, its circuit diagram is shown in figure 6. The energy input end and the output end of the DC/DC converter are respectively and electrically connected with the solar cell and the storage battery 3, the storage battery 3 is connected with the LED lamp 4, and the LED lamp 4 is arranged on the bottom surface of the street lamp cavity 1. The LED lamp 4 can adopt a high-power LED light source (more than or equal to 100W), the light efficiency is higher (approaching to twice of an incandescent lamp), the service life is longer (reaching more than 100000 h), the LED light source is powered by low-voltage direct current through a lithium iron phosphate battery, the safety is realized, the light source control cost is low, and the adjustment of the brightness and the frequent switching of the LED lamp 4 are possible. The storage battery 3 is a lithium iron phosphate battery which has good high-temperature performance (the heat peak value can reach 500 ℃), the working temperature range is wide (20 ℃ to 75 ℃), the safety is high, and the storage battery 3 is always in a state of incomplete charging or discharging in the practical use of the solar street lamp, so that the inherent memory effect of the conventional nickel-hydrogen and nickel-cadmium batteries can be effectively avoided by adopting the lithium iron phosphate battery. Simultaneously, the long-life lead acid battery 500 times cycle life, lithium iron phosphate battery cycle life can reach more than 2000, and theoretical life can reach 7 to 8 years, and the price/performance ratio is more than 4 times of lead acid battery, the utility model discloses the built-in large capacity lithium iron phosphate battery energy storage of solar street lamp does not need external power supply, can carry out the illumination more than 10 hours after being full of the electricity. The street lamp cavity 1 is provided with a street lamp system switch 7 for controlling the starting or stopping of the street lamp system.

The utility model discloses the circuit control block diagram of high-power intelligent double-technology solar street lamp is shown in fig. 2, and through intelligent control ware 5 monitoring two-sided solar module' S generated voltage, intelligent control ware 5 can adopt STC12C5A60S2 singlechip (the circuit is shown in fig. 3), and the power supply circuit diagram of singlechip is shown in fig. 4. The voltage sampling circuit of the solar cell adopts resistance voltage division sampling, and a voltage signal sampled by the constantan wire resistance is amplified by the integrated operational amplifier LM358 and input into the singlechip for data processing and control. The intelligent control ware 5 passes through the generated voltage of sampling circuit automated inspection solar wafer, judge the operating condition of environment illumination intensity in order to control the street lamp according to the size of generated voltage, when generated voltage is great, light is sufficient, intelligent control ware 5 control DC/DC converter is with maximum power point tracking MPPT to battery 3 charge (the circuit diagram refers to fig. 5 and 7), solar cell panel output efficiency can furthest be guaranteed to its maximum power point tracking function, the DC/DC converter is connected between photovoltaic array and load, become a kind of controllable direct current output's converting circuit with uncontrollable direct current input through control voltage, change photovoltaic array's output impedance through adjusting the duty ratio of this circuit, thereby seek the product of output current and output voltage and be maximum output power. When the intelligent controller 5 detects that the voltage emitted by the solar photovoltaic panel is close to zero through the sampling circuit, the light is insufficient, the street lamp is connected, timing is started, and MPPT is stopped, the intelligent controller 5 outputs a PWM signal to control the brightness of the LED lamp, and the LED lamp 4 is powered by the storage battery in a low-voltage direct-current mode; after the LED lamp 4 is turned on for a specific time, usually about 6h, and at this time about 12 am, the intelligent controller 5 controls the LED lamp 4 to start the half-power lighting mode, and a circuit diagram of the PWM dimming to realize the full-power/half-power mode is shown in fig. 10. Meanwhile, the intelligent controller 5 controls the microwave sensor circuit 10 and the infrared sensor 6 circuit to be started simultaneously or independently, the microwave sensor 10 circuit (shown in fig. 9) and the infrared sensor 6 circuit (shown in fig. 8) transmit detected target signals (for example, a person or a vehicle is detected to approach) to the intelligent controller 5, when the target signals received by the intelligent controller 5 are detected target signals, the intelligent controller 5 controls the LED lamp 4 to start a full-power mode, and when the signals received by the intelligent controller 5 are no detected target signals, the intelligent controller 5 controls the LED lamp 4 to start a half-power mode. The infrared sensor 6 circuit mainly comprises a pyroelectric sensor, a BIS0001 chip, a working mode selection switch SW and other external components. The microwave sensor 10 circuit is composed of a high-reliability microwave sensing human body sensor TX982 and a CD4011 integrated circuit, can automatically identify the brightness of ambient light, and cannot be interfered by self light. The LED light source is controlled by the constant current, so that the lighting time is greatly prolonged, the service life of the system is greatly prolonged, and the problem that the long-time use requirement of a user cannot be met by a common solar street lamp in winter and cloudy days is effectively solved by matching with a high-capacity energy storage battery.

The high-power LED lighting lamp generally adopts a three-layer structure mode of a chip, an aluminum substrate and a radiator, namely, the chip is packaged on the substrate to form an LED light source module, and then the light source module is arranged on the radiator to manufacture the high-power LED lighting lamp. The structure has the advantages of mature technology and relatively easy structure improvement, and has the disadvantages of more internal contact thermal resistance and low heat dissipation efficiency, and the improvement needs to be carried out on the aspect of reducing the thermal resistance of the system for effectively conducting and dissipating the heat released by the LED chip. Based on this, the utility model discloses set up fan and adjustable temperature controller in street lamp cavity 1, adjustable temperature controller is connected with the fan, pastes dull and stereotyped micro heat pipe fin through insulating heat conduction silica gel between the inner wall of street lamp cavity 1 and battery 3's shell, is equipped with battery storehouse louvre 8 on the street lamp cavity 1 wall that is close to battery 3. The utility model discloses an adopt initiative + passive form compound heat dissipation technique to dispel the heat to LED light source and battery, active heat dissipation is for installing fan vortex heat dissipation additional, and use adjustable temperature controller to control the fan operation, street lamp radiating effect has been improved greatly, the vortex effect of fan can improve 1 inside hotspots of street lamp cavity and promote the cavity heat-sinking capability, in addition, the vortex fan is inside the street lamp cavity, there is not the protection problem basically, even become invalid, influence little to whole heat-sinking capability and lighting power. Passive heat dissipation: on one hand, a heat conduction and radiation system with a low-thermal resistance flat micro heat pipe radiating fin matched with an insulating heat conduction silica gel material is adopted, wherein the apparent thermal conductivity of the flat micro heat pipe radiating fin is more than 5000 times of that of the same metal material, and is 10 times of the heat exchange capacity of a traditional circular heat pipe with the same cross section area. Insulating heat conduction silica gel has better pliability, good insulating nature, compressibility, the natural viscidity in surface, can fill the gap, accomplishes the heat transfer between the position of generating heat and the radiating part position, still plays effects such as insulating, shock attenuation, sealed simultaneously. The flat micro heat pipe radiating fins are attached to the temperature-equalizing aluminum substrate of the LED lamp and the storage battery shell through the insulating heat-conducting silica gel, so that the radiating fins are fully contacted with the temperature-equalizing aluminum substrate and the storage battery shell and exhaust air, the low structural thermal resistance is kept, heat is better conducted and dissipated through the radiating fins, and the LED lamp heat-conducting plate has the characteristics of high heat-conducting coefficient, uniform heat conduction and stability. On the other hand, natural heat dissipation is further enhanced, a 'hot spot partition isolation' design is used, so that heat sensitive components such as the LED lamp and the storage battery are reasonably distributed, the temperature difference distribution is fully considered in the heat dissipation design, an obvious temperature difference gradient is prevented from being formed in a small internal area, the complete machine is ensured not to have local hot spots, the adaptability of the product to different climatic conditions and the heat dissipation reliability are improved, and the service life of the lamp is further prolonged.

The utility model discloses well detection technique adopts microwave detection leading, infrared detection supplementary to use intelligent composite control strategy control lighting means. The microwave detector and the infrared detector can be used independently, and can also be used completely to realize double measurement. When the street lamp enters a microwave and infrared double-detection working state, the lamp enters a half-power illumination mode under the condition of no person or vehicle, when a person or a vehicle approaches, any detector (microwave or infrared) finds a target and then starts a full-power illumination mode of the street lamp, and when the person or the vehicle stops in an illumination area of the street lamp, any detector (microwave or infrared) can control and keep the full-power illumination of the street lamp by detecting the feedback of the target; and after people and vehicles leave the street lamp illumination area for a certain time and no detection target is fed back by the infrared detector, the street lamp is controlled to be restored to the half-power illumination mode.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a high-power intelligent double-technology solar street lamp, its characterized in that, includes two-sided solar module, LED lamp and street lamp cavity, two-sided solar module is including the solar wafer sealed between two glass, and two-sided solar module sets up in street lamp cavity top surface, the LED lamp sets up in the bottom surface of street lamp cavity, set up battery, intelligent control ware, microwave inductor and infrared inductor in the street lamp cavity, intelligent control ware and battery, microwave inductor, infrared inductor and solar wafer electricity are connected, be connected with the DC/DC converter through drive circuit on the intelligent control ware, the energy input end and the output of DC/DC converter are connected with solar wafer and battery electricity respectively, the battery is connected with the LED lamp.

2. The high-power intelligent double-technology solar street lamp according to claim 1, wherein a fan and an adjustable temperature controller are arranged in the street lamp cavity, the adjustable temperature controller is connected with the fan, a flat micro heat pipe radiating fin is adhered between the inner wall of the street lamp cavity and the shell of the storage battery through insulating heat-conducting silica gel, and a storage battery bin radiating hole is arranged on the wall of the street lamp cavity close to the storage battery.

3. The high-power intelligent double-technology solar street lamp according to claim 2, wherein a micro-groove group structure is arranged in the flat micro heat pipe radiating fin.

4. The high-power intelligent double-technology solar street lamp as claimed in claim 1, wherein the intelligent controller adopts an STC12C5A60S2 single-chip microcomputer.

5. The high-power intelligent double-technology solar street lamp as claimed in claim 1, wherein the infrared sensor circuit comprises a pyroelectric sensor and a BIS0001 chip, and the microwave sensor circuit comprises a microwave sensing human body sensor TX982 and a CD4011 integrated circuit.

6. The high-power intelligent double-technology solar street lamp according to claim 1, wherein the bifacial solar module is detachably mounted outside the street lamp cavity.

7. The high-power intelligent double-technology solar street lamp according to claim 1, wherein the storage battery is a lithium iron phosphate battery.

8. The high-power intelligent double-technology solar street lamp according to claim 1, wherein the driving circuit adopts an isolation type B1215LS and an FOD3181 to drive a switch tube.

9. The high-power intelligent double-technology solar street lamp as claimed in claim 1, wherein the LED light source is an LED lamp with power of more than or equal to 100W.

10. The high-power intelligent double-technology solar street lamp according to claim 1, wherein the housing of the street lamp cavity is made of aluminum alloy.

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