CN211736639U

CN211736639U - Wind and sand prevention device and wind and sand prevention system

Info

Publication number: CN211736639U
Application number: CN201922097865.5U
Authority: CN
Inventors: 肖建华; 姚正毅; 屈建军; 谢小松; 刘明华; 赵辉; 马歆炜; 陈灿; 栗树果; 温换玲; 单艳花; 王玉林; 谷晓阳; 孙银波; 刘川; 杨流墨
Original assignee: Shanghai Electric Group Corp; Cold and Arid Regions Environmental and Engineering Research Institute of CAS
Current assignee: Shanghai Electric Group Corp; Cold and Arid Regions Environmental and Engineering Research Institute of CAS
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-10-23
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a prevent wind and hinder husky device and prevent wind and hinder husky system relates to the sand blown by the wind prevention and cure field for optimize prevent wind and hinder husky device's performance. The wind-proof sand-resistant device comprises an installation foundation, a sand-resistant part and a net component. A plurality of installation bases are arranged at intervals; the sand-blocking part is constructed in a structure without holes and is arranged on the installation foundation; the net component is positioned above the sand blocking part and is fixedly connected with the installation foundation or the sand blocking part; the mesh component includes a through-hole. Wherein, at least one sand blocking part and a net component are arranged between two adjacent installation foundations; the height of the net component is 0.3-0.8 of the height of the sand-blocking part below the net component. According to the technical scheme, the disturbance to wind and sand flow can be reduced to the maximum extent while effectively blocking sand, shielding wind and suppressing dust, the stability of local air flow can be ensured to the maximum extent, and the influence on a project area is reduced.

Description

Wind and sand prevention device and wind and sand prevention system

Technical Field

The utility model relates to a sand blown by wind prevention and cure field, concretely relates to prevent wind and hinder husky device and prevent wind and hinder husky system.

Background

Solar power generation, as a renewable clean energy source, has developed very rapidly in recent years around the world. The desert area has the advantages of abundant solar energy resources, cheap land and the like, so that large desert photo-thermal and photovoltaic power stations are one of the main types of the industry.

The inventor finds that the following problems generally exist in large desert photo-thermal and photovoltaic power stations due to the natural environment of desert regions:

(1) the sand damage is serious, the sand damage causes the greatest damage to desert photo-thermal and photovoltaic power stations, the sand damage threatens protective fences around project areas greatly, wind and sand have persistence and accumulation, the protective fences are easy to bury, undercut and the like, and once sand grains cross the protective fences and enter the project areas, destructive damage can be caused to infrastructure, equipment, earth surfaces and the like in the power stations;

(2) the strong wind damages the photo-thermal mirror surface and the photovoltaic module, and seriously affects the safe operation of the power station, and the strong wind frequently occurs in the desert area;

(3) dust harm, dust nature descending form the dust fall in the power station region, and the dust fall has seriously restricted light and heat photovoltaic power generation conversion efficiency and life-span, and the dust fall causes the generated energy to reduce 7% ~ 35%, and long-term unclean dust fall simultaneously easily causes and can cause the inhomogeneous formation "hot spot effect" of subassembly photic, seriously damages the photovoltaic module life-span.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent wind and hinder husky device and prevent wind and hinder husky system for optimize prevent wind and hinder husky device's performance, protection desert light and heat and photovoltaic power plant and similar equipment.

The utility model provides a prevent wind and hinder husky device, include:

a plurality of installation bases are arranged at intervals;

a sand blocking portion configured as a structure having no hole, the sand blocking portion being mounted to the mounting base; and

the net component is positioned above the sand blocking part and is fixedly connected with the installation foundation or the sand blocking part; the mesh component comprises a through hole;

at least one sand blocking part and one net component are arranged between every two adjacent installation foundations; the height of the net component is 0.3-0.8 times of the height of the sand blocking part below the net component.

In some embodiments, the height of the screen assembly is 0.5 to 0.7 times the height of the sand-blocking portion.

In some embodiments, the height of the sand-blocking portion is 0.9m to 2 m.

In some embodiments, the height of the sand-blocking portion is 2m to 4 m.

In some embodiments, the mounting base comprises:

a base station; and

the upright post is fixed on the base; the sand blocking part is inserted into the upright post, and the net component is arranged on the upright post.

In some embodiments, the mesh assembly comprises one of: windproof dust suppression nets and protective nets.

In some embodiments, the net assembly comprises a wind and dust prevention net, at least one side of the wind and dust prevention net is provided with a protection piece, and both ends of the protection piece are fixed with the installation base.

In some embodiments, two of the protection pieces are arranged on the same side of the windproof and dustproof net, and the two protection pieces are arranged in a crossed manner.

In some embodiments, the wind and dust suppression mesh is configured such that the surface is flat.

In some embodiments, the windproof and dust suppression net is a unimodal windproof and dust suppression net, a bimodal windproof and dust suppression net, or a trimodal windproof and dust suppression net.

In some embodiments, the wind and sand prevention device further comprises:

and the security protection assembly is arranged above the net assembly and is fixed with the installation foundation.

In some embodiments, the security shield assembly comprises:

a metal mesh configured with spikes; and

and two ends of the pull rope are fixed with the installation foundation, and the pull rope penetrates through the middle of the metal net.

In some embodiments, the pull cord comprises:

a rope body; and

the thorn, with the rope body is fixed links to each other, and the thorn has arranged a plurality ofly along the length direction of rope body.

In some embodiments, the mounting bases are arranged in a row, and the centers of the mounting bases are collinear.

In some embodiments, the mounting bases include a plurality, and centers of the mounting bases are not collinear.

In some embodiments, the total height of the portion of the sand-blocking portion above the earth's surface and the net assembly is 2.6m to 3.6 m; or the total height of the part of the sand blocking part above the ground surface and the net component is 1.3-1.8 m.

An embodiment of the utility model provides a still provide a prevent wind and hinder husky system, include the utility model discloses prevent wind and hinder husky device that any technical scheme provided.

In some embodiments, the wind and sand prevention system further comprises:

and the wind prevention device is arranged on one side of the wind prevention and sand resistance device close to the protected equipment.

In some embodiments, the distance between the wind and sand prevention device and the wind prevention device is 8m to 50 m.

In some embodiments, the wind and sand prevention system further comprises:

and the security protection device is arranged on one side of the wind and sand prevention device, which is far away from the protected equipment.

In some embodiments, the distance between the wind and sand prevention device and the security protection device is 10-80 m.

The above technical scheme of the embodiment of the utility model, because sand blocking portion is non-ventilative formula structure, the sand flow collides with the hard of sand blocking portion adoption and bumps hard, is close to the corner position at the windward side and can form the air current vortex, has reduced some energy at this in-process. The rest energy is converted, and a wind speed increasing area is formed right above the sand blocking portion, so that wind and sand flow can easily cross the sand blocking portion, the net assembly is arranged above the sand blocking portion, and the wind speed increasing area formed above the sand blocking portion is effectively eliminated.

Furthermore, in desert areas, dust is mainly suspended in the air and moves with the wind, and when meeting with the air flow, the dust can form a vortex on the windward side of the sand-blocking part, so that an acceleration effect can be easily formed, and the dust can climb over the sand-blocking part along with the wind. The dust floats higher and farther along with the aggravation of the airflow due to the increase of the wind speed at the position right above the sand blocking part, a flying phenomenon is formed, and the dust directly flies into a project area. Therefore, the net assembly is arranged above the sand blocking part, and the height ratio of the sand blocking part to the net assembly is a set value, so that the wind speed increasing area formed above the sand blocking part can be effectively reduced, dust leap can be effectively inhibited, and the disturbance effect of the sand blocking part on airflow is eliminated to the maximum extent.

The utility model discloses technical scheme accords with the characteristic of nearly earth's surface sand and wind stream motion, and the structure of "dredging down closely" of adoption adopts non-ventilative structure below, and the top has the ventilative structure of porosity, and this is when effectively hindering sand, keeping out the wind, pressing down dirt, and the disturbance that can furthest's reduction is flowed to the sand and wind, can guarantee that the air current is stable in the local place to the at utmost, reduces the influence to the project district.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic front view of a wind and sand prevention device according to some embodiments of the present invention;

FIG. 2 is a side view of the mounting base of FIG. 1;

FIG. 3 is a schematic top view of the column of FIG. 1;

FIG. 4 is an enlarged view of part A of FIG. 1;

fig. 5 is a schematic front view of a wind and sand prevention device according to another embodiment of the present invention;

fig. 6 is a schematic front view of a wind and sand prevention device according to still another embodiment of the present invention;

fig. 7 is a schematic front view of a wind and sand prevention device according to still another embodiment of the present invention;

FIG. 8 is a schematic view of the mounting base of FIG. 7;

fig. 9 is a schematic front view of a wind and sand prevention device according to still another embodiment of the present invention;

fig. 10 is a schematic layout view of a wind and sand prevention device according to another embodiment of the present invention;

fig. 11 is a schematic layout view of a wind and sand prevention device according to still another embodiment of the present invention;

fig. 12 is a schematic layout view of a wind and sand prevention device according to still another embodiment of the present invention;

fig. 13 is a schematic layout view of a wind and sand prevention system according to some embodiments of the present invention.

Detailed Description

The technical solution provided by the present invention will be explained in more detail with reference to fig. 1 to 13.

The terms and expressions used herein have been defined as open ended.

The inner side and the outer side refer to the inner side and the outer side relative to the project area, wherein the side facing the project area is the inner side, and the side back to the project area is the outer side. The windward side and the upwind direction, i.e. the side through which the main wind direction passes first. As shown by the arrows in FIGS. 10-13, the direction indicated by the arrows is the direction of wind flow. The leeward side, the downwind direction, i.e. the side through which the prevailing wind passes backwards.

The embodiment of the utility model provides a prevent wind and hinder husky device 100 is applicable to desert area light and heat photovoltaic power plant. The wind and sand prevention device 100 includes an installation base 1, a sand prevention portion 2, and a net assembly 3.

The embodiment of the utility model provides a prevent wind and hinder husky device 100 is applicable to the desert area, specifically for example flow sand dune region, between dune land and Gobi region and similar region. The wind and sand prevention device 100 is used to protect photo-thermal and photovoltaic power stations.

The installation bases 1 are provided in plurality at intervals. The installation base 1 is specifically, for example, a concrete pier. Alternatively, the mounting base 1 is installed below the ground, and the top surface of the mounting base 1 is flush with the ground, as shown in fig. 1.

The sand blocking portion 2 is constructed in a structure having no hole, and the sand blocking portion 2 is mounted to the mounting base 1. The sand stop 2 is wind tight. The sand blocking part 2 has two installation modes, the first mode is as follows: the sand-blocking portion 2 is provided near the ground surface, and the lower end thereof is buried deep below the ground surface. The underground buried depth H2 is 5-10 cm, and is especially suitable for the flowing sand dune area. In the first installation mode, the total height H of the sand prevention section 2 is equal to the sum of the height H1 above the ground surface of the sand prevention section 2 and the height H2 of the underground buried depth. The second way is: the sand blocking part 2 is arranged near the ground surface and is completely positioned above the ground surface, and no pore exists between the lower end of the sand blocking part 2 and the ground surface. In this installation, the total height H of the sand stop 2 is equal to the height H1 above the ground surface of the sand stop 2. In both of the above-described installation modes, the height ratio of the net assembly 3 to the sand-blocking portion 2 described later is: the ratio of the height H3 of the screen assembly 3 to the height of the portion of the sand trap 2 above the ground surface (i.e. H1).

Above-mentioned technical scheme has considered the different nature of desert area underlying surface to according to the sand blown by the wind harm characteristic of different underlying surfaces, specifically set up different mounting means, the practicality is strong.

The sand-blocking portion 2 is, for example, a concrete-cast block 21. The height of the sand stop portion 2 required is different in different occasions. To improve the mounting efficiency, the modules 21 may be provided in a standard size, and the modules 21 may be stacked in the length direction and the height direction according to a desired height to achieve the desired length and height.

In the case of a concrete-cast module 21, in some embodiments, the width of the module 21 is 40cm to 60cm, such as 50 cm. The length of the module 21 is 3m to 6m, specifically 4 m. The thickness of the module 21 is 8 cm-20 cm, specifically 10 cm. The sand trap 2 is assembled from a plurality of modules 21.

Other alternative implementations of the sand-blocking portion 2 are: the sand-blocking part 2 is made of metal. Assembled from a plurality of modules 21. If the module 21 is made of metal, the width of the module 21 is 40 cm-60 cm, preferably 50 cm. The length is 3 m-6 m, specifically 4m, and the thickness is 3 cm-10 cm, specifically 5 cm. Of course, the height of each module 21 may also be different, such as illustrated in fig. 6.

According to the technical scheme, the concrete adopted by the sand blocking part 2 forms the non-ventilation type sand blocking part 2, the sand wind flow and the sand blocking part 2 are intercepted by adopting hard-to-hard collision, an air flow vortex is formed at the position close to a corner on the windward side, in the process, part of energy is reduced by the air flow, and the rest of energy is converted.

This causes the sand flow to easily climb over the sand-blocking portion 2. In order to reduce the sand flow from turning over the sand-blocking part 2, a net component 3 is arranged above the sand-blocking part 2. The height at which the sand-blocking portion 2 is provided does not need to be particularly large, which reduces the construction cost.

In addition, because the dust is suspended in the air and moves with the wind, the dust easily changes direction when meeting the vortex formed by the airflow on the windward side of the sand blocking part 2 and turns over the sand blocking part 2 with the wind. Even if the wind speed can increase in the area directly above the sand blocking part 2, due to the action of the net component 3, dust can not float higher and farther along with the aggravation of the airflow, and can not fly to the deep part of the project area, so that the dust accumulation in the project area is reduced. Moreover, the height of the sand blocking part 2 is low, so that the blocking influence on photo-thermal and photovoltaic is hardly caused.

The net component 3 is positioned above the sand blocking part 2, and the net component 3 is fixedly connected with the installation foundation 1 or the sand blocking part 2. The mesh component 3 comprises through holes.

At least one sand blocking part 2 and a net component 3 are arranged between two adjacent installation foundations 1.

The height H3 of the net assembly 3 is 0.3 to 0.8 times the height H1 of the sand-blocking portion 2 located therebelow. Here, the height of the sand stop 2 refers to the height of the sand stop 2 in the vertical direction of the portion above the ground, as H1 in fig. 1. The height of the net assembly 3 refers to the height of the net assembly 3 in the vertical direction, as shown in H2 in fig. 1.

The utility model discloses the above-mentioned technical scheme of embodiment, net subassembly 3 sets up and can eliminate effectively in the top of hindering husky portion 2 and hinder the wind speed increase region that husky portion 2 top formed.

Moreover, a perforated wind-permeable metal wind-proof dust suppression net 31 is adopted, the surface of the wind-proof dust suppression net 31 has a perforated structure, and in some embodiments, the surface of the wind-proof dust suppression net 31 also has a concave-convex structure. The windproof dust suppression net 31 can effectively suppress strong wind and dust; moreover, the surface of the windproof dust suppression net 31 is provided with holes, so that the illumination in the project area is hardly influenced.

Furthermore, according to the technical scheme, the non-ventilation type sand-blocking part 2 and the net component with the holes are adopted, the height ratio of the non-ventilation type sand-blocking part to the net component meets various requirements of sand blocking, wind prevention and dust suppression, and illumination in a project area is hardly influenced; the solar photovoltaic power station has rich functions and can meet the actual requirements of photo-thermal and photovoltaic power stations in desert areas.

Further, in the desert area, the dust is mainly suspended in the air and moves with the wind, and the dust easily forms an acceleration effect when meeting with the vortex formed by the airflow on the windward side of the sand-blocking part 2 and can climb over the sand-blocking part 2 along with the wind. The position right above the sand blocking part 2 is higher and farther, and the dust floats higher and farther along with the increase of the air flow due to the increase of the air speed, so that a flying phenomenon is formed and the dust directly flies into a project area. Therefore, the net component 3 is arranged above the sand-blocking part 2, which not only can effectively reduce the wind speed increasing area formed above the sand-blocking part 2, but also can effectively inhibit dust from flying, and eliminates the disturbance effect of the sand-blocking part 2 on the air flow to the maximum extent.

The embodiment of the utility model provides a structure that adopts accords with the characteristic of nearly earth's surface sand and wind stream motion, the structure of "close down of dredging of adoption adopts non ventilative structure below, and the middle ventilative structure that has the porosity above-mentioned adopts the biggest security protection subassembly 5 of ventilative, and this is when effectively hindering sand, keeping out the wind, pressing down dirt, and the reduction that can the at utmost is to the disturbance that sand and wind flowed, can guarantee the air current stability of local area to the at utmost, reduces the influence to the project district.

In some embodiments, the netting assembly 3 comprises one of: a windproof dust suppression net 31 and a protective net 32. The specific implementation of the windproof and dust suppression net 31 and the protection net 32 will be described in several embodiments.

In some embodiments, the height of the sand-blocking portion 2 is 0.5 to 0.7 times the height of the net assembly 3.

In some embodiments, the height of the sand-blocking portion 2 is 1m to 5 m.

The embodiment of the utility model provides an among the prevent wind husky device 100 structure of hindering, hinder husky portion 2 highly according to under the desert area with the long-pending husky condition of underlay and formulate, existing discrepancy is pertinent again, accords with desert area special environment, reaches the purpose because of the evil is set up defences.

Further, the sum of the height of the sand-blocking part 2 above the ground surface 6 and the height of the wind-proof and dust-suppression net 31 is between 2.6m and 3.6m, such as 2.6m and 3 m. Such a height has little effect on the illumination in the project area and, due to the low height, the cost is also reduced.

The technical solutions of the embodiments of the present invention will be described in detail below with reference to a plurality of embodiments.

Referring to fig. 1-4, in some embodiments, the screen assembly 3 employs a wind and dust suppression screen 31.

The wind-proof and sand-blocking device 100 integrally includes, from bottom to top, an installation base 1, a sand-blocking portion 2, a wind-proof and dust-suppression net 31, and a security protection assembly 5 described later. The sand-blocking portion 2, the wind-proof dust-suppressing net 31, and the later-described security protection assembly 5 are fixed by the installation base 1.

The length of the wind and sand prevention device 100 is determined according to an item to be protected. As shown in fig. 1, the number of the installation base 1, the sand-blocking portion 2, the wind-proof and dust-suppression net 31, and the security protection assembly 5 described later may be plural. Fig. 1 illustrates 4 wind and dust protection nets 31. The specific structure and connection of each component corresponding to one of the windproof and dustproof nets 31 will be described in detail later.

Referring to fig. 1 and 3, in some embodiments, the installation base 1 includes a vertically arranged insertion groove 121, and the edge of the sand-blocking portion 2 is inserted into the insertion groove 121.

Referring to fig. 1 and 2, specifically, the mounting base 1 includes a base 11 and a column 12. The column 12 is fixed to the base 11. The sand-blocking part 2 is inserted into the upright post 12, and the net component 3 is arranged on the upright post 12.

As shown in fig. 2 and 3, the insertion grooves 121 are provided on both sides of the column 12, i.e., on both sides in the X direction shown in fig. 1, and the insertion grooves 121 are matched with the size of the module 21 described above. The two edges of the module 21 in the X direction are respectively snapped into the slots 121 of two adjacent columns 12.

The depth of the slot 121 is, for example, 4cm to 10 cm. For example, if the height H1 of the sand trap 2 is 1m, the card goes into two modules 21 with a height of 50 cm. If the height H1 of the sand stop 2 is 2m, the card goes into four modules 21 with the height of 50 cm. Therefore, the assembly type installation construction and maintenance are more convenient and efficient.

The upright posts 12 are of a concrete structure or a metal structure, and the distance between the upright posts 12 is 3 m-6 m, specifically 4 m. The height of the ground surface of the upright post 12 is the sum of the height H1 above the ground surface of the sand-blocking part 2 and the height H3 of the windproof and dust-suppression net 31, and the height is between 2.5m and 3.5m, and is specifically between 2.5m and 3 m. Such height has minimal impact on lighting in the project area.

The net assembly 3, specifically the wind and dust suppression net 31, is also fixed at both ends and a plurality of positions in the middle with the top or middle-upper part of the upright post 12. Referring to fig. 2, a V-shaped bracket 13 is mounted on the top end of the upright 12, and both ends of the net assembly 3 are fixed to the V-shaped bracket 13. The vertical height of the V-shaped bracket 13 is 40cm to 60cm, specifically 50 cm. The material of the V-shaped bracket 13 is metallic.

Referring to fig. 1, the wind-proof and dust-suppressing net 31 is disposed above the sand-blocking portion 2, and there is no gap between the wind-proof and dust-suppressing net 31 and the sand-blocking portion 2. The length of the windproof and dust suppression net 31 is consistent with that of the sand-blocking part 2, specifically, the length is 3m to 6m, specifically, 4 m. The height H3 of the windproof and dust suppression net 31 is 0.5 m-2 m.

As described above, there is a proportional relationship between the height H3 of the wind and dust control net 31 and the height H1 above the ground surface of the sand-blocking portion 2, H3: h1 is 0.3-0.8. Therefore, the height H3 of the wind and dust prevention net 31 is related to the height H1 above the ground surface of the sand-blocking portion 2. The height of the sand blocking part 2 is different according to the different sand height of the underlying area. The details of the relevant case are described in the following paragraphs.

An alternative implementation of the wind and dust suppression net 31 is described below.

In some embodiments, the windproof and dust suppression net 31 is made of Nylon, high density Polyethylene, or Polyethylene, and has a porosity of 55% to 70%. The plane net structure is formed by flat weaving or warp knitting.

In another embodiment, the windproof and dust suppression net 31 is made of metal. The planar mesh structure formed by weaving metal wires in a flat or warp knitting mode, specifically, for example, the aluminized zinc metal mesh 51, has a porosity of 65% to 80%.

Referring to fig. 1, in some embodiments, at least one side of the wind and dust prevention net 31 is provided with a shielding member 4, and both ends of the shielding member 4 are fixed to the mounting base 1. The protection piece 4 is arranged, so that the installation stability and the installation reliability of the windproof and dust suppression net 31 are improved.

In order to increase the installation reliability of the protection piece 4, the windproof and dust suppression net 31 and the protection piece 4 are fixed by a plastic-skin iron tie. And arranging plastic-skin iron wire binding tapes at intervals of 30-40 cm.

Referring to fig. 1, in some embodiments, two shielding members 4 are disposed on the same side of the wind and dust suppression net 31, and the two shielding members 4 are disposed in a crossing manner. The protection part 4 with the arrangement mode has larger supporting strength and can bear larger force.

Referring to fig. 6, in other embodiments, the shielding member 4 has four shielding members, one shielding member is provided at each of the top and bottom ends of the wind-proof and dust-suppression net 31, and the other two shielding members are arranged to intersect with each other. The protection part 4 of this arrangement is more stable and reliable, has larger supporting strength and can bear larger force.

The above described embodiments are applicable to both moving sand dune areas and also between dune flats and gobi areas. The details of the case used in the above case will be described below.

According to the movement law of wind and sand flow in desert areas: the sand content in the sand flow decreases with increasing height, and most sand particles are concentrated within 30cm (especially below 10 cm) of the ground.

The height of the sand accumulation body formed by the sand blocking part 2 is also different under the conditions of different underlying surfaces, and the underlying surfaces can be divided into: moving sand dune area and flat land between dunes, gobi. The sand accumulation height growth rules are different and are embodied; the sand accumulation height in the flowing sand dune area per year is basically in the interval of 1.68 m-1.96 m, and the average height is 1.80 m. The annual sand accumulation height in the flat ground between the hills and the gobi area is basically between 0.73 and 0.85m, and the average height is 0.78 m.

Next, the installation of the sand trap 2 in the above-described different areas will be described.

In the flowing sand dune area, the lower end of the sand blocking part 2 is deeply buried under the earth surface, and the underground buried depth H2 is 5 cm-10 cm. In this embodiment, the total height H of the sand trap 2 is equal to the sum of the height H1 above the ground surface of the sand trap 2 and the height H2 of the underground buried depth. Due to the flowing sand dune area, the ground surface sand is loose and easy to undercut, so that the lower end of the sand blocking part 2 cannot be undercut and exposed to cause ventilation.

The height H1 above the ground surface of the sand-blocking part 2 in the region of the flowing sand dune is 2m to 4m, specifically, the height H1 is 2 m. Therefore, the accumulated sand amount is not more than the height of the sand blocking part 2 within one year, and on the premise of clearing the accumulated sand for 1 time within 1 year, the accumulated sand can be effectively prevented from crossing the sand blocking part 2, so that the project maintenance and management are facilitated.

When the height H1 of the sand-blocking portion 2 is set to 2m in the region of the moving dune, the height H3 of the wind-proof and dust-suppressing net 31 is set to 0.6m to 1.6m, specifically, 0.6m to 1.0 m.

For the gobi and the dune, the sand blocking portion 2 is disposed near the earth's surface 6, and the sand blocking portion 2 is entirely located above the earth's surface 6. The sand amount on the earth surface is small between the gobi and the dune, and the installation requirement of the sand blocking part 2 can be simplified by the arrangement. It is understood that the lower end of the sand-blocking portion 2 may be buried under the ground surface between the gobi and the dune.

Specifically, the height of the sand blocking portions 2 is different depending on the area of the under-mat. In the inter-dune flat ground and gobi region, the sand-blocking portions 2 are set to have a height H1 above the ground surface of 0.9 to 2m, specifically, a height H1 of 1 m. Therefore, the accumulated sand amount is not more than the height of the sand blocking part 2 within one year, and on the premise of clearing the accumulated sand for 1 time within 1 year, the accumulated sand can be effectively prevented from crossing the sand blocking part 2, so that the project maintenance and management are facilitated.

For example, in the inter-dune flat ground or gobi area, when the height H1 of the sand-blocking portion 2 is set to 1m, the height H3 of the wind-proof and dust-suppressing net 31 is set to 0.3m to 0.8m, specifically, 0.3m to 0.6 m.

Specifically, in the inter-dune flat ground or gobi region, the sum of the height H1 of the sand-blocking portion 2 and the height H2 of the wind-and dust-suppression net 31 is 1.3m to 1.8m, specifically 1.3m to 1.5 m.

As shown in FIG. 1, in some embodiments, the wind and dust suppression mesh 31 is configured such that the surface is flat.

Referring to fig. 1 and 5, in some embodiments, the wind and sand prevention device 100 further includes a security protection assembly 5, and the security protection assembly 5 is disposed above the net assembly 3 and fixed with the installation base 1.

Referring to fig. 1 and 4, in some embodiments, security shield assembly 5 includes a metal mesh 51 and a drawstring 52. The metal mesh 51 is configured with spikes. Both ends of the pulling rope 52 are fixed with the installation base 1, and the pulling rope 52 passes through the middle of the metal net 51. The pull cord 52 is fixed to the V-shaped bracket 13 so as to be integrally fixed.

The metal mesh 51 is, for example, a spiral barbed wire. In some embodiments, the helical barbed wire may take the form of a double helix, a single helix, a double helix encryption, or the like.

Referring to fig. 1 and 4, in some embodiments, the draw cord 52 includes a cord body 521 and a barb 522. The thorns 522 are fixedly connected with the rope body 521, and a plurality of the thorns 522 are arranged along the length direction of the rope body 521. The sharp pricks can adopt the forms of a prick rope with a blade, a double-strand iron wire prick rope and the like.

The security protection component 5 is positioned on the windproof dust suppression net 31, so that the security protection can be realized, the climbing is prevented, and the security protection component 5 has the windproof function and can reduce the wind speed. On the other hand, the metal mesh 51 and the pull rope 52 on the security protection assembly 5 can effectively intercept sundries blown along with wind, such as withered grass, branches, plastic bags and the like, and the sundries are light in weight and easily enter the project area along with the wind in the wind and sand weather, so that hidden troubles are caused to the project area.

Referring to fig. 5, further embodiments are described below.

The embodiments shown in fig. 5 differ from the embodiments described above in the way in which the protection 4 is arranged. The rest can be referred to the above embodiments, and the details are not repeated herein.

As shown in fig. 5, in some embodiments, the protection member 4 has a plurality of protection members 4, a plurality of protection members 4 are arranged in parallel, and the protection members 4 are parallel to the ground surface. The protection part 4 of this kind of arrangement, it is easier to arrange to firm reliable has great supporting force degree, can bear bigger power.

In the embodiments described above and in the following embodiments, the protection member 4 may be made of plastic coated galvanized iron wire if the protection member 4 is provided.

In the various embodiments described above and below, if the shielding member 4 is provided, the shielding member 4 is located on the windward side of the wind-proof dust suppression net 31. The specific situation is as follows:

if the wind and sand prevention device 100 is arranged at the following positions: the main wind direction is a direction from the outside of the item area to the inside of the item area. The wind and dust protection net 31 is disposed on the outer side of the protection member 4, i.e., the side facing away from the project area. I.e. in the main wind direction, the wind and dust protection net 31 is located downstream of the shield 4.

If the wind and sand prevention device 100 is arranged at the following positions: when the main wind direction is from the inside of the project area to the outside of the project area, the wind-proof and dust-suppression net 31 is provided on the inside of the protection member 4, that is, on the side facing the project area. I.e. in the main wind direction, the wind and dust protection net 31 is located downstream of the shield 4.

If the wind and sand prevention device 100 is arranged at the following positions: the main wind direction is multi-directional, and may be blown from the inside of the project area to the outside of the project area or from the outside of the project area to the inside of the project area. Then the shielding members 4 are provided on both sides of the wind and dust suppression net 31. The wind and dust protection screen 31 is sandwiched between the two sets of shielding members 4.

Referring to fig. 6, further embodiments are described below.

Some of the embodiments illustrated in fig. 6 differ from the embodiments illustrated in fig. 1 and 4 above by the following: in the embodiment illustrated in FIG. 5, the wind and dust suppression mesh 31 is not planar. Please refer to the above embodiments for the structure of other parts, which are not described herein again.

Referring to fig. 6, in particular, in other embodiments, the windproof and dust suppression net 31 is a single-peak type windproof and dust suppression net, a double-peak type windproof and dust suppression net, or a triple-peak type windproof and dust suppression net. The windproof and dust suppression net 31 has a concave-convex three-dimensional double-peak or single-peak structure. The surface of the steel tube is provided with round hole structures with different sizes. In these embodiments, the wind-proof and dust-suppression net 31 is fixed with the screw holes of the upright posts 12 through the screw holes on both sides. The structure is convenient to disassemble.

In each of the embodiments illustrated in fig. 1, 5 and 6, the wind and sand prevention device 100 can be formed into a system alone because it has functions of sand prevention, wind prevention, dust suppression and security, and is low in cost and has little influence on the illumination of the power station.

Referring to fig. 7 and 8, further embodiments are described below.

Some of the embodiments illustrated in fig. 7 differ from the embodiments illustrated in fig. 1, 4 and 5 above by the following: in the embodiment illustrated in FIG. 7, the wind and sand prevention device 100 is devoid of a security shield assembly 5. Please refer to the above embodiments for the structure of other parts, which are not described herein again.

As shown in fig. 8, the V-shaped bracket 13 is not required to be provided at the top end of the column 12 since the installation of the security guard assembly 5 is not required.

Referring to fig. 9, further embodiments are described below.

Some of the embodiments illustrated in fig. 9 differ from the embodiments illustrated in fig. 1 above by the following: the net component 3 adopts a protective net 32 instead of the windproof dust suppression net 31.

Specifically, the protection net 32 is a metal net for preventing animals and irrelevant persons from entering the project area.

The wind-proof and sand-blocking device 100 and the system are different in the arrangement mode according to the different included angles between the planned direction and the main wind direction.

In the embodiments illustrated in fig. 1, 5, 6 and 7 above, the mounting bases 1 are arranged in a row, and the centers of the mounting bases 1 are collinear, as shown in fig. 9. The centers of the installation bases 1 are collinear, that is, the centers of the top surfaces of the installation bases 1 are on the same straight line when viewed from the top, and the whole wind and sand prevention device is represented by the arrangement of the installation bases 1 in rows.

Referring to fig. 10, the included angle α between the wind direction and the main wind direction of the wind-proof and sand-blocking device 100 and the system to be arranged is large, and α is between 45 ° and 90 °, and the wind-proof and sand-blocking device 100 can be arranged in a straight line.

In the embodiments illustrated in fig. 1, 5, 6 and 7, the mounting bases 1 include a plurality of mounting bases, and the centers of the mounting bases 1 are not collinear, as shown in fig. 11 and 12. The centers of the installation bases 1 are collinear, which means that the centers of the top surfaces of the installation bases 1 are not all on the same straight line when viewed from the top, and the whole wind and sand prevention device shows that the installation bases 1 are not arranged in a straight line, but are curved or have bent lines in some places.

Referring to fig. 11, the wind and sand prevention device 100 and the system are arranged so that the included angle α between the system direction and the main wind direction is small. Specifically, alpha is not more than 45 degrees, the wind and sand prevention device 100 can be provided with a triangular structure, and the vertex angle of the triangular structure is 90-145 degrees. The triangular structure interval is 20 m-100 m, such as 50 m.

Referring to fig. 12, the wind and sand prevention device 100 may be provided in a rectangular structure. The rectangular structures are spaced between 20m and 100m, such as 50 m.

Other embodiments of the utility model provide a prevent wind and hinder husky system, include the utility model discloses prevent wind and hinder husky device 100 that any technical scheme provided.

Under the conditions that the moving dune is the main and the main wind direction is at the outer side of the wind-proof sand-blocking device 100, 1-3 channels of the wind-proof sand-blocking device 100 can be arranged.

In some embodiments, the wind and sand prevention system further comprises a wind prevention device 200, the wind prevention device 200 being arranged on a side of the wind and sand prevention device 100 adjacent to the protected apparatus.

The wind guard 200 is a concrete, metal or chemical fence or net structure. Protected objects are for example photo-thermal and photovoltaic power stations, and objects with similar needs.

In some embodiments, the distance between the wind break and sand stop 100 and the wind break 200 is 8m to 50 m.

If the outside of the wind-proof and sand-blocking device 100 is mainly the dune or gobi, and there is no obvious sand source in the distance, or the outside of the fence is mainly the wind direction, it is preferable to install the wind-proof device 200 on the wind-sand protection system to protect the photo-thermal mirror and the photovoltaic module. Otherwise, the wind guard 200 may be absent. If the wind prevention device 200 is not provided, the wind and sand prevention device 100 needs to use the wind and dust prevention net 31 instead of the protection net 32.

The distance between the wind-proof device 200 and the wind-proof sand-blocking device 100 is 8 m-50 m, such as 10 m-20 m. The distance between the wind-proof sand-blocking device 100 and the security protection device 300 is 10 m-80 m, specifically 20 m-30 m.

Referring to fig. 13, in some embodiments, the wind and sand prevention system further comprises a security guard 300, wherein the security guard 300 is disposed on a side of the wind and sand prevention device 100 away from the protected equipment.

If the wind and sand prevention device 100 is not provided with the security guard 300, the wind and sand prevention system preferably includes the security guard 300.

If wind and sand prevention device 100 is provided with security guard 300, the wind and sand prevention system may or may not include security guard 300. If the peripheral conditions allow the fence position to be set, the wind and sand prevention device 100 and the wind prevention device 200 can be directly set without the security protection device 300.

In some embodiments, the distance between the wind and sand prevention device 100 and the security protection device 300 is 10m to 80 m.

In the embodiment illustrated in fig. 13, the wind and sand prevention device 100, the wind prevention device 200, and the security guard 300 are provided at the same time.

This sand blown by wind protection system is when setting up, and the setting order is by the regional outside in the project region of project: the security protection device 300 is arranged firstly, then the wind-proof and sand-proof device 100 is arranged, and finally the wind-proof device 200 is arranged. Such a sequence can ensure that sand particles do not enter the project area and the position of the wind shield 200 to the maximum extent, protect the project area and the wind shield 200, and affect the wind shielding effectiveness of the wind shield 200 if sand accumulates near the wind shield 200.

The wind-proof device 200, the wind-proof sand-resistant device 100 and the security protection device 300 can be arranged from inside to outside of the project area respectively. The security protection device 300 is located on the outermost side of the project area and plays roles in protecting and isolating the project area; the columns of the wind and sand prevention device 100 are arranged on the inner side of the security protection device 300, and play roles in preventing sand, wind and dust and the like; the wind-proof device 200 mainly plays a role in protecting the photo-thermal mirror surface and the photovoltaic module in the project area from the strong wind.

Above-mentioned technical scheme has formed safety device 200, prevent wind and hinder husky device 100 and security fence according to the wind-sand harm characteristics and the actual conditions in the different regions of desert light and heat photovoltaic power plant according to local conditions, and three kinds of structures and different setting systems, the protective effect is obvious, can fully protect desert light and heat photovoltaic power plant safety.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A wind and sand prevention device, comprising:

a plurality of installation bases (1) are arranged at intervals;

a sand blocking portion (2) configured as a structure having no hole, the sand blocking portion (2) being mounted to the mounting base (1); and

the net component (3) is positioned above the sand blocking part (2), and the net component (3) is fixedly connected with the installation foundation (1) or the sand blocking part (2); the mesh component (3) comprises through holes;

wherein at least one sand blocking part (2) and one net component (3) are arranged between two adjacent installation foundations (1); the height of the net component (3) is 0.3-0.8 times of the height of the sand blocking part (2) below the net component.

2. A wind and sand prevention device according to claim 1, wherein the height of said net assembly (3) is 0.5 to 0.7 times the height of said sand prevention portion (2).

3. The wind and sand prevention device according to claim 2, wherein the height of the sand prevention portion (2) is 0.9m to 2 m.

4. The wind and sand prevention device according to claim 2, wherein the height of the sand prevention portion (2) is 2m to 4 m.

5. The wind and sand prevention device according to claim 1, wherein the mounting base (1) comprises:

a base (11); and

a column (12) fixed to the base (11); the sand blocking part (2) is inserted into the upright post (12), and the net component (3) is arranged on the upright post (12).

6. A wind and sand prevention device according to claim 1, characterised in that the screen assembly (3) comprises one of the following: a windproof dust suppression net (31) and a protective net (32).

7. The wind and sand prevention device according to claim 6, wherein the net assembly (3) comprises a wind and dust prevention net (31), at least one side of the wind and dust prevention net (31) is provided with a shielding member (4), and both ends of the shielding member (4) are fixed with the mounting base (1).

8. The wind and sand prevention device according to claim 7, wherein two said protection elements (4) are provided on the same side of said wind and dust prevention net (31), and two said protection elements (4) are arranged crosswise.

9. The wind and sand prevention device according to claim 6, wherein said wind and dust prevention net (31) is constructed such that the surface is flat.

10. The wind and sand prevention device according to claim 6, wherein the wind and dust prevention net (31) is a unimodal wind and dust prevention net, a bimodal wind and dust prevention net, or a trimodal wind and dust prevention net.

11. The wind and sand prevention device of claim 1, further comprising:

and the security protection assembly (5) is arranged above the net assembly (3) and is fixed with the installation foundation (1).

12. The wind and sand prevention device according to claim 11, wherein said security guard assembly (5) comprises:

a metal mesh (51) configured with spikes; and

and two ends of the pulling rope (52) are fixed with the installation base (1), and the pulling rope (52) penetrates through the middle of the metal net (51).

13. The wind and sand prevention device of claim 12, wherein the pull cord (52) comprises:

a rope body (521); and

the thorn (522) is fixedly connected with the rope body (521), and a plurality of thorns (522) are arranged along the length direction of the rope body (521).

14. The wind and sand prevention device according to claim 1, wherein said mounting bases (1) are arranged in a row, and the centers of said mounting bases (1) are collinear.

15. The wind and sand prevention device according to claim 1, wherein said mounting bases (1) comprise a plurality, and centers of said mounting bases (1) are not collinear.

16. A wind and sand prevention device according to claim 1, wherein the total height of the portion of the sand prevention portion (2) above the ground surface (6) and the net assembly (3) is 2.6 to 3.6 m; or the total height of the part of the sand-blocking part (2) above the ground surface (6) and the net component (3) is 1.3-1.8 m.

17. A wind and sand prevention system, characterized by comprising a wind and sand prevention device (100) according to any one of claims 1 to 16.

18. The wind and sand prevention system of claim 17, further comprising:

the wind prevention device (200) is arranged on one side, close to the protected equipment, of the wind and sand prevention device (100).

19. The wind and sand prevention system according to claim 18, wherein said wind and sand prevention device (100) and said wind prevention device (200) are spaced apart by 8m to 50 m.

20. The wind and sand prevention system of claim 17, further comprising:

and the security protection device (300) is arranged on one side of the wind and sand prevention device (100) far away from the protected equipment.

21. The wind and sand prevention system according to claim 20, wherein the distance between the wind and sand prevention device (100) and the security guard (300) is 10m to 80 m.