CN109779326B - Solar energy spraying sunshade - Google Patents
Solar energy spraying sunshade Download PDFInfo
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- CN109779326B CN109779326B CN201910206123.3A CN201910206123A CN109779326B CN 109779326 B CN109779326 B CN 109779326B CN 201910206123 A CN201910206123 A CN 201910206123A CN 109779326 B CN109779326 B CN 109779326B
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Abstract
The invention discloses a solar spray sunshade, which comprises a shed-shaped stress bracket and a spray cooling system, wherein the spray cooling system comprises a spray head arranged at the top of the stress bracket, the spray head is connected with a water tank through a water pipe, the solar spray sunshade is characterized by also comprising a solar vacuum tube group arranged at the top of the stress bracket, the heat flow medium output end of the solar vacuum tube group is connected with the input end of the solar vacuum tube group through a heat flow medium ground exchange buried pipeline, the absorption refrigeration system is buried underground and comprises a generator and an evaporator, the heat flow medium ground exchange buried pipeline is connected with the heat source input end of the generator and is used as the heat source of the generator, and the refrigeration end of the evaporator is connected with the water tank through a water tank heat exchange loop pipeline. The invention has obvious sun-shading and cooling effects. The sunshade has higher capability of resisting severe disaster weather, improves the safety and the reliability of the sunshade, and is particularly suitable for coastal cities in south China.
Description
Technical Field
The invention relates to the technical field of urban sunshade building, in particular to a solar spraying sunshade.
Background
In cities, especially in southern cities, some people flow concentrated area positions, such as traffic light waiting areas, bus stations, subway station entrances, pedestrian streets and the like, a sunshade structure is often required to be arranged for pedestrians to shade and shade the sun.
The common sunshade only has simple functions of shading and avoiding the sun. Some sunshade buildings with special functions exist in the prior art. For example, a large-sized sun umbrella with a mist cooling system disclosed in CN103438525A can use solar energy as electric power to produce mist cooling effect, and for example, an environmental protection bus station shed disclosed in CN205422028U not only has the function of solar power generation, but also can collect rainwater to generate power for illumination, emergency charging, and the like.
However, the existing urban sunshades still have the defect of poor cooling effect. Meanwhile, severe weather and disaster weather such as heavy rainfall, hail and even typhoon often appear in southern coastal cities in particular. The common sunshade is easy to be damaged under the action of severe disaster weather, so the defects of poor capability of resisting the severe disaster weather and poor safety are also existed.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a solar energy spraying sunshade that sunshade cooling effect is good. And further improve the capability of resisting severe disaster weather and improve the safety and reliability of the system.
In order to solve the technical problems, the invention adopts the following technical scheme:
a solar spraying sunshade comprises a stress support arranged in a shed shape, wherein the stress support is provided with a horizontal top and supporting parts vertically arranged at two sides of the top, and further comprises a spraying cooling system, the spraying cooling system comprises a spray head arranged at the top of the stress support and a water tank, the spray head is connected with the water tank through a water pipe and a water pump, the solar spraying sunshade also comprises a solar vacuum pipe set arranged at the top of the stress support, the solar vacuum pipe set comprises a plurality of connected solar vacuum pipes and is provided with a heat flow medium output end, the heat flow medium output end is connected with an input end of a heat flow medium ground-exchanging buried pipeline back to the solar vacuum pipe set, the solar spraying sunshade is characterized by also comprising an absorption refrigeration system buried underground, the absorption refrigeration system comprises a generator and an evaporator, the heat flow medium ground-exchanging buried pipeline is connected with the heat source input end of the generator and serves as a heat source of the generator, the refrigeration end of the evaporator is connected with the water tank through a water tank heat exchange loop pipeline.
In the invention, the solar vacuum tube absorbs solar energy as a heat source to drive the underground absorption refrigeration system to work to realize heat exchange refrigeration, the evaporator is used for cooling the water stored in the water tank through the water tank heat exchange loop pipeline, and the water sprayed out of the spray head is cooling water, so that the solar energy is fully utilized to cool the spray head and the cooling effect of the spray head for spraying water is greatly improved.
Further, the spray head is an atomizing spray head.
Therefore, atomized water vapor is sprayed, the cooling effect of the spray head can be better improved, and the comfort degree of the lower personnel on the sense organ can be better improved.
Furthermore, the absorption refrigeration system also comprises an absorber and a condenser, the output end of the absorber is connected with the generator, the output end of the generator is connected with the condenser, the output end of the condenser is connected with the evaporator, the output end of the evaporator is connected with the absorber to form a refrigeration circulation path, the generator, the condenser and the evaporator are arranged underground and close to the ground surface, and the absorber is arranged underground and far away from the ground surface.
Thus, when the absorption refrigeration system works, refrigerant liquid absorbs heat in an evaporator of a refrigeration circulation path and evaporates, formed steam is transferred to an absorber and absorbed by an absorbent, the absorbent absorbing refrigeration steam is sent to a generator, the generator is heated by a heat flow medium used as a heat source in a ground exchange buried pipeline, refrigerant steam is separated, the separated refrigerant steam is conveyed to a condenser again and condensed into liquid and then enters the evaporator, and after the evaporator evaporates and absorbs heat, a refrigeration end of the evaporator realizes refrigeration of a water tank heat exchange loop, so that cooling of water stored in a water tank is realized. The absorber is located at a position far away from the ground surface, the temperature is lower, absorption of refrigerant steam is facilitated, the generator and the evaporator are arranged at positions close to the ground surface, heat exchange is achieved, and refrigeration and heat exchange efficiency is improved integrally.
Furthermore, the absorption refrigeration system also comprises a condenser heat exchange loop pipeline, one end of the condenser heat exchange loop pipeline is connected with the condenser, and the other end of the condenser heat exchange loop pipeline is buried downwards at a position far away from the ground surface.
Therefore, the condenser further utilizes shallow soil (10 to 20 degrees throughout the year) below the earth surface as a natural cold source, the refrigeration effect of the absorption refrigeration system is improved, and the absorption refrigeration system is environment-friendly, energy-saving and reliable.
Furthermore, the water tank is externally connected with a rainwater collecting system and a municipal water pipe line.
Like this, the water tank can collect rainwater and supply the water source, also can supply the water source through municipal administration water pipe, guarantees that shower nozzle water source supply is sufficient. During implementation, a filtering or purifying device can be further arranged in the rainwater collecting system to realize water purification treatment, and a water pipe or a spray head is prevented from being blocked.
Furthermore, a solar photovoltaic panel is further installed at the top of the stress support and connected with a storage battery, and the storage battery is used as a power supply and is respectively connected with a water pump, a spray head, an absorption refrigeration system and other equipment needing power supply.
Therefore, the solar energy is used for supplying power, and the solar energy utilization efficiency is improved.
Furthermore, a plurality of lighting cooling devices are horizontally arranged below the top of the stress bracket in parallel, each lighting cooling device comprises a square fixed mounting plate which is arranged horizontally as a whole, a lighting lamp is arranged on the lower surface of the fixed mounting plate through a mounting seat, the fixed mounting plate is fixedly connected with the stress bracket through a connecting rod, each of four corners of the fixed mounting plate is vertically and upwards fixedly provided with a mounting shaft, each mounting shaft is horizontally and rotatably provided with three blades which are integrally in a horizontal rectangle, the side length of each blade is half of that of the fixed mounting plate, the rectangular corners of the blades are vertically overlapped through vertical sleeves and coaxially and rotatably connected with the mounting shafts, the axes of the sleeves are vertically overlapped with the axes of the mounting shafts and the corners of the fixed mounting plates, and the fixed mounting plates are also provided with blade rotation control devices which can control the rotation of, blade rotation controlling means can control three blade and rotate to the state of expandeing completely and folding state of drawing in, and three blade is the vertical projection of same horizontal plane and is the linking state each other when three blade is the state of unfolding completely, and when three blade was folding state of drawing in, three blade all rotated to the vertical projection within range of fixed mounting panel corner quarter area position, and when the blade all was the state of unfolding completely, every illumination heat sink horizontal plane projection presented the rectangle of twice fixed mounting panel length of side, and is linking adjacent state at the vertical projection of same horizontal plane between every two adjacent illumination heat sinks, fixed mounting panel and blade upper surface all are provided with the solar photovoltaic board, the shower nozzle is installed in fixed mounting panel and/or blade below.
Like this, illumination heat sink can collect illumination and shower nozzle mist cooling function as an organic whole, can open the illumination lamps and lanterns illumination night, can open shower nozzle mist cooling when needing the cooling. And more importantly, the unique blade structure design enables the blades to be controlled to rotate to a fully unfolded state under normal conditions at ordinary times, so that solar energy is absorbed to the maximum degree and sunlight is shielded for people below. When severe weather occurs, the three blades can be controlled to be folded and folded, so that when typhoon weather occurs, the blades are folded to expose gaps, wind resistance can be greatly reduced, and meanwhile, three layers of blades are folded on the whole surface of the fixed mounting plate, so that the strength of deformation resistance is greatly improved; when strong rainfall or hail weather is met, the hitting area can be reduced after the blades are folded, and meanwhile, the hitting resistance strength of the folded position is improved. Therefore, the stability and the safety of the sunshade in severe weather are greatly improved. Simultaneously, when the sunshade set up in positions such as underpass entry or subway entry, meet the cloudy day condition, also can control the blade and be folding folded in state to improve ventilation effect, control the blade again and expand when bright sun day and collect solar energy, charge for the battery for later use.
When the cooling device is specifically implemented, furthermore, each illuminating and cooling device can be set to be in a state of slightly inclining outwards and downwards along two sides of the central line of the stressed support, and after the blades are unfolded, the edges of the blades between two adjacent illuminating and cooling devices can be slightly staggered and overlapped; then set up the rainwater collecting vat in the lower one side of fixed mounting panel upper surface in middle part and one side blade edge below, rethread rainwater collection pipe connection to water tank forms rainwater collecting system, can conduct better like this and collect the rainwater.
Further, the blade rotation control device can be realized by adopting a motor to drive a gear transmission mechanism, specifically, the blade rotation control device comprises driven gears coaxially and fixedly sleeved on sleeves at the corners of each blade, three driven gears are respectively meshed with one driving gear, three driving gears are coaxially sleeved on driving gear shafts vertically arranged on a fixed mounting plate, the driving gear shafts are in transmission connection with the motor fixed on the fixed mounting plate, and the ratio of the transmission ratio of the three pairs of meshed gears is 1:2: 3; when the blades are folded and furled, one side of the rotating direction is provided with a yielding through groove corresponding to the driving gear shaft, and the yielding through groove is vertically communicated with the driving gear shaft, so that the driving gear shaft can fall into the yielding groove when the blades are rotated to a folded and furled state.
Therefore, the blades can be controlled to horizontally rotate along the mounting shaft through the motor. By adopting the gear transmission mechanism, the ratio of the transmission ratio of the three pairs of meshed driving gears to the driven gears is 1:2:3, so that the three blades can be conveniently controlled to rotate by 90 degrees, 180 degrees and 270 degrees in sequence by means of the rotation output of one motor, the three blades can be simultaneously rotated and vertically overlapped to one quarter of the position of the fixed mounting plate, and the conversion control between the fully unfolded state and the folded state is realized. The through groove of stepping down that sets up can avoid the blade to rotate and produce the interference with the driving gear axle when folding the state of drawing in.
Further, a side surface of the blade is located at the yielding through groove position and is also attached to the yielding through groove stop block, the yielding through groove stop block is provided with a return spring along the direction deviating from the yielding groove notch, and the return spring is installed in a spring installation groove located on the side surface of the blade and is abutted between the yielding through groove stop block and the blade.
Like this, conveniently when the blade rotates to the complete expansion state, can rely on logical groove dog of stepping down to shelter from logical groove of stepping down.
Further, the fixed mounting plate upper surface still is provided with illuminance sensor, raindrop sensor and wind pressure sensor, illuminance sensor, raindrop sensor and wind pressure sensor all with the controller links to each other, and controller and blade rotation control device's motor link to each other. Therefore, the sunlight illumination, the rainwater intensity and the wind pressure intensity can be detected, whether the blades are in a sunny day or a severe weather condition is judged, and the conversion control of the blades between a fully unfolded state and a folded state is realized according to the automatic control of the weather condition; the automation control degree of the sunshade is improved.
Furthermore, the solar vacuum tube group is arranged above the illumination cooling device in a grid shape, and the solar vacuum tubes are arranged right opposite to adjacent joints when the blades of two adjacent illumination cooling devices are in a fully unfolded state.
In this way, maximum absorption of solar energy can be facilitated.
On the basis of the scheme, the sunshade can also adopt the following structure, a cold radiation plate is further paved on the ground below the stress support, the absorption type refrigeration system further comprises a cold radiation plate heat exchange loop pipeline, one end of the cold radiation plate heat exchange loop pipeline is connected with the refrigeration end of the evaporator for heat exchange, and the other end of the cold radiation plate heat exchange loop pipeline is connected with the cold radiation plate for heat exchange.
Like this, rely on the evaporimeter to drive the cooling of cold radiation board, further reduce ground temperature under the canopy, after someone entered into under the canopy, top sunshade and mist cooling, rely on the cold radiation board cold radiation cooling in the below simultaneously, can greatly improve and keep away sun personnel comfort level under the canopy, fresh and cool effect is showing.
Furthermore, a pressure sensor is further arranged on the cold radiation plate, a temperature sensor is further arranged on the stress support, the temperature sensor and the pressure sensor are connected with a controller, and the controller is connected with the spray head and the water pump.
Like this, rely on temperature sensor to detect the temperature rise, pressure sensor detects the big-arch shelter below and has certain number after, can control the shower nozzle and open the mist cooling, improves intelligent degree.
In conclusion, the sun-shading and cooling effects are obvious. The greenhouse has higher capability of resisting severe disaster weather, improves the safety and reliability of the greenhouse, and is particularly suitable for being used in coastal cities in south China.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a solar spray sunshade in the embodiment of the invention.
FIG. 2 is a top plan view of the single force bearing stand of FIG. 1, showing only one of the illuminated heatsink structures, with the remainder omitted.
FIG. 3 is a schematic plan view of a single illuminated cooling device of FIG. 2.
Fig. 4 is a front view of fig. 3.
Fig. 5 is a schematic view of the illuminated cooling device in fig. 3 with the blades in a folded and folded state.
Fig. 6 is a schematic structural diagram of an individual gear transmission mechanism in the embodiment.
FIG. 7 is a schematic view in the top view of FIG. 6, showing only one blade.
Fig. 8 is a schematic block diagram of an electrical structure of a main part of the solar spray sunshade in the embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Preferred embodiments: referring to fig. 1-7, a solar spray sunshade comprises a stress support 1 arranged in a shed shape, wherein the stress support 1 is provided with a top which is horizontal as a whole (the whole is horizontal, namely the top can be completely horizontal, or the top is slightly convex along the center line, and the two sides are slightly inclined downwards), a support part which is vertically arranged at the two sides of the top, a spray cooling system which comprises a spray head 2 arranged at the top of the stress support and a water tank 3, the spray head 2 is connected with the water tank 3 through a water pipe 4 and a water pump, a solar vacuum pipe group 5 arranged at the top of the stress support, the solar vacuum pipe group 5 is composed of a plurality of connected solar vacuum pipes and is provided with a heat flow medium output end, the heat flow medium output end is connected with the input end of the solar vacuum pipe group through a heat flow medium ground exchange buried pipe 6, the system also comprises an absorption refrigeration system buried underground, the absorption refrigeration system comprises a generator 7 and an evaporator 8, the heat source input ends of the heat flow medium exchange buried pipeline 6 and the generator 7 are connected with each other to serve as a heat source of the generator 7, and the refrigeration end of the evaporator 8 is connected with the water tank 3 through a water tank heat exchange loop pipeline 9.
In the invention, the solar vacuum tube absorbs solar energy as a heat source to drive the underground absorption refrigeration system to work to realize heat exchange refrigeration, the evaporator is used for cooling the water stored in the water tank through the water tank heat exchange loop pipeline, and the water sprayed out of the spray head is cooling water, so that the solar energy is fully utilized to cool the spray head and the cooling effect of the spray head for spraying water is greatly improved. During implementation, the heat-insulating layer can be wound outside the water pipe to isolate heat transfer as much as possible and avoid temperature rise in the water pipe.
Wherein, the spray head 2 is an atomizing spray head.
Therefore, atomized water vapor is sprayed, the cooling effect of the spray head can be better improved, and the comfort degree of the lower personnel on the sense organ can be better improved.
Referring to fig. 1, the absorption refrigeration system further includes an absorber 10 and a condenser 11, an output end of the absorber 10 is connected to the generator 7, an output end of the generator 7 is connected to the condenser 11, an output end of the condenser 11 is connected to the evaporator 8, an output end of the evaporator 8 is connected to the absorber 10 to form a refrigeration circulation path, the generator 7, the condenser 11 and the evaporator 8 are disposed underground near the ground surface, and the absorber is disposed underground far from the ground surface.
Thus, when the absorption refrigeration system works, refrigerant liquid absorbs heat in an evaporator of a refrigeration circulation path and evaporates, formed steam is transferred to an absorber and absorbed by an absorbent, the absorbent absorbing refrigeration steam is sent to a generator, the generator is heated by a heat flow medium used as a heat source in a ground exchange buried pipeline, refrigerant steam is separated, the separated refrigerant steam is conveyed to a condenser again and condensed into liquid and then enters the evaporator, and after the evaporator evaporates and absorbs heat, a refrigeration end of the evaporator realizes refrigeration of a water tank heat exchange loop, so that cooling of water stored in a water tank is realized. The absorber is located at a position far away from the ground surface, the temperature is lower, absorption of refrigerant steam is facilitated, the generator and the evaporator are arranged at positions close to the ground surface, heat exchange is achieved, and refrigeration and heat exchange efficiency is improved integrally. The absorption refrigeration system belongs to the prior art, and in the specific implementation, a solution pump, a throttle valve and other components are required to be arranged to assist the operation of the system, for example, the throttle valve can be installed on a connecting pipeline between a condenser and an evaporator, the solution pump is installed on a pipeline between an absorber and a generator to provide power, and a pressure reduction loop and a pressure reduction valve are arranged between the generator and the absorber. However, these are well known in the art of refrigeration technology, and so the details of how to install them will not be described in detail here. The arrows in the partial schematic of the absorption refrigeration system in fig. 1 indicate the direction of media flow.
The absorption refrigeration system also comprises a condenser heat exchange loop pipeline 12, one end of the condenser heat exchange loop pipeline 12 is connected with the condenser 11, and the other end of the condenser heat exchange loop pipeline 12 is buried downwards at a position far away from the ground surface.
Therefore, the condenser further utilizes shallow soil (10 to 20 degrees throughout the year) below the earth surface as a natural cold source, the refrigeration effect of the absorption refrigeration system is improved, and the absorption refrigeration system is environment-friendly, energy-saving and reliable. During specific implementation, the heat exchange loop pipeline of the condenser can be directly realized by adopting a buried pipe buried downwards.
Wherein, the ground below the stress support 1 is further paved with a cold radiation plate 13, the absorption refrigeration system further comprises a cold radiation plate heat exchange loop pipeline 14, one end of the cold radiation plate heat exchange loop pipeline 14 is connected with the refrigeration end of the evaporator 8 for heat exchange, and the other end is connected with the cold radiation plate 13 for heat exchange. In specific implementation, a solution pump needs to be arranged in the cold radiation plate heat exchange loop pipeline 14 to drive the heat exchange medium to circularly flow so as to realize heat exchange.
Like this, rely on the evaporimeter to drive the cooling of cold radiation board, further reduce ground temperature under the canopy, after someone entered into under the canopy, top sunshade and mist cooling, rely on the cold radiation board cold radiation cooling in the below simultaneously, can greatly improve and keep away sun personnel comfort level under the canopy, fresh and cool effect is showing.
Referring to fig. 6, a pressure sensor is further arranged on the cold radiation plate 13, a temperature sensor is further arranged on the stress support, the temperature sensor and the pressure sensor are connected with a controller, and the controller is connected with the spray head and the water pump.
Like this, rely on temperature sensor to detect the temperature rise, pressure sensor detects the big-arch shelter below and has certain number after, can control the shower nozzle and open the mist cooling, improves intelligent degree.
Wherein, the water tank 3 is externally connected with a rainwater collecting system and a municipal water pipe line (not shown in the figure).
Like this, the water tank can collect rainwater and supply the water source, also can supply the water source through municipal administration water pipe, guarantees that shower nozzle water source supply is sufficient.
Wherein, the top of the stress bracket 1 is also provided with a solar photovoltaic panel 15 which is connected with a storage battery (not shown in the figure), and the storage battery is used as a power supply and is respectively connected with a water pump, a spray head, an absorption refrigeration system and other equipment needing power supply.
Therefore, the solar energy is used for supplying power, and the solar energy utilization efficiency is improved. Of course, in the implementation, part of the power supply equipment needs to convert the direct current of the storage battery into the alternating current through the inverter, but these are common knowledge in the field of solar power supply, and therefore, will not be described in detail here.
Wherein, a plurality of lighting cooling devices are horizontally arranged below the top of the stress bracket in parallel, referring to fig. 2-3, the lighting cooling device comprises a square fixed mounting plate 16 which is arranged horizontally as a whole, a lighting lamp 17 is arranged on the lower surface of the fixed mounting plate 16 through a mounting seat, the fixed mounting plate 16 is fixedly connected with the stress bracket 1 through a connecting rod, a mounting shaft 18 is fixedly arranged vertically and upwardly at each of four corners of the fixed mounting plate 16, three blades 19 which are integrally in a horizontal rectangle are horizontally and rotatably arranged on each mounting shaft, the length of each side of each blade 19 is one half of the length of each side of the fixed mounting plate 16, the rectangular corners of the blades 19 are vertically overlapped through vertical sleeves and coaxially and rotatably connected with the mounting shafts 18, the axes of the sleeves are vertically overlapped with the axes of the mounting shafts and the corners of the fixed mounting plates, a blade rotation control device (not shown in the figure) capable of controlling, the blade rotation control device can control the three blades 19 to rotate to a fully unfolded state and a folded state, when the three blades are in the fully unfolded state (see figures 3 and 4), the vertical projections of the three blades to the same horizontal plane are in a mutual connection state, when the three blades 19 are in the folded state (see figure 5), the three blades 19 all rotate to the vertical projection range of the quarter area position of the corner of the fixed mounting plate, when the blades 19 are in the fully unfolded state, the horizontal plane projection of each lighting and cooling device is in a rectangle with two times of the side length of the fixed mounting plate, and vertical projections of every two adjacent lighting cooling devices on the same horizontal plane are in a connected adjacent state, the solar photovoltaic panel 15 is arranged on the upper surfaces of the fixed mounting plate 16 and the blades 19, and the spray head 2 is arranged below the fixed mounting plate and/or the blades.
Like this, illumination heat sink can collect illumination and shower nozzle mist cooling function as an organic whole, can open the illumination lamps and lanterns illumination night, can open shower nozzle mist cooling when needing the cooling. And more importantly, the unique blade structure design enables the blades to be controlled to rotate to a fully unfolded state under normal conditions at ordinary times, so that solar energy is absorbed to the maximum degree and sunlight is shielded for people below. When severe weather occurs, the three blades can be controlled to be folded and folded, so that when typhoon weather occurs, the blades are folded to expose gaps, wind resistance can be greatly reduced, and meanwhile, three layers of blades are folded on the whole surface of the fixed mounting plate, so that the strength of deformation resistance is greatly improved; when strong rainfall or hail weather is met, the hitting area can be reduced after the blades are folded, and meanwhile, the hitting resistance strength of the folded position is improved. Therefore, the stability and the safety of the sunshade in severe weather are greatly improved. Simultaneously, when the sunshade set up in positions such as underpass entry or subway entry, meet the cloudy day condition, also can control the blade and be folding folded in state to improve ventilation effect, control the blade again and expand when bright sun day and collect solar energy, charge for the battery for later use. In specific implementation, if the spray head is arranged below the blades, an embedded structure is preferably adopted, so that interference between the blades during rotation is avoided as much as possible.
When the cooling device is specifically implemented, furthermore, each illuminating and cooling device can be set to be in a state of slightly inclining outwards and downwards along two sides of the central line of the stressed support, and after the blades are unfolded, the edges of the blades between two adjacent illuminating and cooling devices can be slightly staggered and overlapped; set up simultaneously every blade upper surface to the state that slightly inclines to fixed mounting panel one side for the rainwater can collect to fixed mounting panel when raining, then the slightly downward sloping of fixed mounting panel upper surface outside position sets up the rainwater collecting vat in outside edge position, in order to collect the rainwater, rethread rainwater collection pipe connection to water tank forms rainwater collection system, can conduct and collect the rainwater like this better. During implementation, a filtering or purifying device is required to be arranged in the rainwater collecting system to realize water purification treatment. And will not be described in detail herein.
In specific implementation, the blade rotation control device can be implemented by driving a gear transmission mechanism by a motor, specifically, referring to fig. 6 and 7 (the gear transmission mechanism is not shown in other figures), the blade rotation control device includes driven gears 20 coaxially and fixedly sleeved on sleeves at 19-corner positions of each blade, each of the three driven gears 20 is engaged with one driving gear 21, the three driving gears 21 are coaxially sleeved on driving gear shafts 22 vertically arranged on a fixed mounting plate, the driving gear shafts 22 are in transmission connection with a motor 23 fixed on the fixed mounting plate, and the ratio of the transmission ratios of the three pairs of engaged gears is 1:2: 3; when the blades are folded and furled, one side of the rotating direction of the blades is provided with a yielding through groove 24 corresponding to the driving gear shaft, and the yielding through groove 24 is arranged in a vertically penetrating manner, so that when the blades are rotated to be in a folded and furled state, the driving gear shaft 22 can fall into the yielding groove 24.
Therefore, the blades can be controlled to horizontally rotate along the mounting shaft through the motor. By adopting the gear transmission mechanism, the ratio of the transmission ratio of the three pairs of meshed driving gears to the driven gears is 1:2:3, so that the three blades can be conveniently controlled to rotate by 90 degrees, 180 degrees and 270 degrees in sequence by means of the rotation output of one motor, the three blades can be simultaneously rotated and vertically overlapped to one quarter of the position of the fixed mounting plate, and the conversion control between the fully unfolded state and the folded state is realized. The through groove of stepping down that sets up can avoid the blade to rotate and produce the interference with the driving gear axle when folding the state of drawing in.
Wherein, a blade side surface is located the logical groove position of stepping down and still laminates and is provided with logical groove dog 25 of stepping down, and logical groove dog 25 of stepping down is provided with reset spring 26 along the direction that deviates from the groove notch of stepping down, and reset spring 26 installs in the spring mounting groove that is located the blade side surface and the butt leads to between groove dog 25 and the blade 19 of stepping down.
Like this, conveniently when the blade rotates to the complete expansion state, can rely on logical groove dog of stepping down to shelter from logical groove of stepping down.
In addition, during the concrete implementation, each blade on the installation axle of the three corners of fixed mounting panel can correspond and set up in the same high position, and the rotation during folding is drawn in controls the blade syntropy and rotates and can avoid interfering, then misplacing in the direction of height of three blades of last corner department and three blades of three other corners sets up, can avoid drawing in and folding the production interference. Or the three blades at the last corner are arranged into a fan shape with the side length being the diameter and are at the same height with the other three corner blades, and the interference generated when the blades are folded can be avoided. The fan shape should be considered to conform to the aforementioned "generally horizontal rectangular" blade shape description. When the last blade at the corner is fan-shaped, the shielding plate relatively fixed on the stressed bracket can be arranged at the corner corresponding to the fan shape, so that the shielding plate and the unfolded fan-shaped blade can be combined into a square to shield the edge area of the fan-shaped blade.
In this embodiment, referring to fig. 8, an illuminance sensor, a raindrop sensor and a wind pressure sensor are further disposed on the upper surface of the fixed mounting plate, the illuminance sensor, the raindrop sensor and the wind pressure sensor are all connected to the controller, and the controller is connected to the motor of the blade rotation control device. Therefore, the sunlight illumination, the rainwater intensity and the wind pressure intensity can be detected, whether the blades are in a sunny day or a severe weather condition is judged, and the conversion control of the blades between a fully unfolded state and a folded state is realized according to the automatic control of the weather condition; the automation control degree of the sunshade is improved. Meanwhile, when the device is implemented, the controller is connected with the lighting lamp, and the lighting lamp can be automatically judged and controlled to be turned on and off according to the sunlight illumination detected by the illumination sensor. In addition, when the device is implemented, other electrical equipment, such as all devices in the absorption refrigeration system, can be connected with the controller and controlled to be opened and closed by the controller, so that the automation degree is improved.
In the embodiment, the solar vacuum tube group 5 is arranged above the illumination cooling device in a grid shape, and the solar vacuum tubes are arranged right opposite to adjacent joints when the blades of two adjacent illumination cooling devices are in a fully unfolded state.
In this way, maximum absorption of solar energy can be facilitated.
The invention has obvious sun-shading and cooling effects. The greenhouse has higher capability of resisting severe disaster weather, improves the safety and reliability of the greenhouse, and is particularly suitable for being used in coastal cities in south China. The sunshade can be used in waiting areas of traffic lights in cities, station sheds of bus stations, greenhouses at underground passage entrances of subways, and recreation squares constructed in cities or new rural areas.
Claims (9)
1. A solar spraying sunshade comprises a stress support arranged in a shed shape, wherein the stress support is provided with a horizontal top and supporting parts vertically arranged at two sides of the top, and further comprises a spraying cooling system, the spraying cooling system comprises a spray head arranged at the top of the stress support and a water tank, the spray head is connected with the water tank through a water pipe and a water pump, the solar spraying sunshade also comprises a solar vacuum pipe set arranged at the top of the stress support, the solar vacuum pipe set comprises a plurality of connected solar vacuum pipes and is provided with a heat flow medium output end, the heat flow medium output end is connected with an input end of a heat flow medium ground-exchanging buried pipeline back to the solar vacuum pipe set, the solar spraying sunshade is characterized by also comprising an absorption refrigeration system buried underground, the absorption refrigeration system comprises a generator and an evaporator, the heat flow medium ground-exchanging buried pipeline is connected with the heat source input end of the generator and serves as a heat source of the generator, the refrigerating end of the evaporator is connected with the water tank through a water tank heat exchange loop pipeline;
the lighting and cooling device comprises a square fixed mounting plate which is integrally and horizontally arranged, the lower surface of the fixed mounting plate is provided with a lighting lamp through a mounting seat, the fixed mounting plate is fixedly connected with the stressed bracket through a connecting rod, each of four corners of the fixed mounting plate is vertically and upwards fixedly provided with a mounting shaft, each mounting shaft is horizontally and rotatably provided with three blades which are integrally and horizontally rectangular, the side length of each blade is one half of that of the fixed mounting plate, the rectangular corners of the blades are vertically overlapped through a vertical sleeve and coaxially and rotatably connected with the mounting shaft, the axes of the sleeves and the axes of the mounting shafts are vertically overlapped with the corners of the fixed mounting plate, the fixed mounting plate is also provided with a blade rotation control device which can control the blades to rotate, and the blade rotation control device can control the three blades to rotate to a completely unfolded state and a folded state, when the three blades are in a fully unfolded state, the vertical projections of the three blades to the same horizontal plane are in a mutual connection state, and when the three blades are in a folded state, the three blades all rotate to be within the vertical projection range of one-fourth area position of the corner of the fixed mounting plate; when the blade all was the state of expandeing completely, every illumination heat sink horizontal plane projection presented the rectangle of twice fixed mounting panel side length, and was linking up adjacent state at the vertical projection of same horizontal plane between every two adjacent illumination heat sinks, fixed mounting panel and blade upper surface all are provided with the solar photovoltaic board, the shower nozzle is installed in fixed mounting panel and/or blade below.
2. The solar spray sunshade of claim 1, wherein: the spray head is an atomizing spray head.
3. The solar spray sunshade of claim 1, wherein: the absorption refrigeration system further comprises an absorber and a condenser, the absorber output end is connected with the generator, the generator output end is connected with the condenser, the condenser output end is connected with the evaporator, the evaporator output end is connected with the absorber, a refrigeration circulation path is formed, the generator, the condenser and the evaporator are arranged underground and close to the ground surface, and the absorber is arranged underground and far away from the ground surface.
4. The solar spray sunshade of claim 3, wherein: the absorption refrigeration system also comprises a condenser heat exchange loop pipeline, one end of the condenser heat exchange loop pipeline is connected with the condenser, and the other end of the condenser heat exchange loop pipeline is buried downwards at a position far away from the ground surface.
5. The solar spray sunshade of claim 1, wherein: the water tank is externally connected with a rainwater collecting system and a municipal water pipe line.
6. The solar spray sunshade of claim 1, wherein: the top of the stress support is also provided with a solar photovoltaic panel which is connected with a storage battery, and the storage battery is used as a power supply and is respectively connected with a water pump, a spray head and an absorption refrigeration system.
7. The solar spray sunshade of claim 1, wherein: the fixed mounting board upper surface still is provided with illuminance sensor, raindrop sensor and wind pressure sensor, and illuminance sensor, raindrop sensor and wind pressure sensor all link to each other with the controller, and controller and blade rotation controlling means's motor link to each other.
8. The solar spray sunshade of claim 1, wherein: the ground below the stress support is also paved with a cold radiation plate, the absorption refrigeration system also comprises a cold radiation plate heat exchange loop pipeline, one end of the cold radiation plate heat exchange loop pipeline is connected with the refrigeration end of the evaporator for heat exchange, and the other end of the cold radiation plate heat exchange loop pipeline is connected with the cold radiation plate for heat exchange.
9. The solar spray sunshade of claim 8, wherein: the cold radiation plate is also provided with a pressure sensor, the stress bracket is also provided with a temperature sensor, the temperature sensor and the pressure sensor are connected with a controller, and the controller is connected with the spray head and the water pump.
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| CN201910206123.3A CN109779326B (en) | 2019-03-20 | 2019-03-20 | Solar energy spraying sunshade |
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| CN201910206123.3A CN109779326B (en) | 2019-03-20 | 2019-03-20 | Solar energy spraying sunshade |
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| CN109779326B true CN109779326B (en) | 2020-07-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112667002B (en) * | 2021-01-30 | 2021-09-21 | 宁波原创动力动漫科技有限公司 | Temperature control adjusting mechanism of large computer room and adjusting method thereof |
| CN115299685A (en) * | 2022-06-29 | 2022-11-08 | 泉州市雨相伴伞业科技有限公司 | Solar umbrella with cooling function |
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