CN203896254U

CN203896254U - Photovoltaic support

Info

Publication number: CN203896254U
Application number: CN201420252631.8U
Authority: CN
Inventors: 胡冬勤; 顾玉
Original assignee: SUZHOU HAIBAO METAL Co Ltd
Current assignee: SUZHOU HAIBAO METAL Co Ltd
Priority date: 2014-05-16
Filing date: 2014-05-16
Publication date: 2014-10-22
Anticipated expiration: 2024-05-16

Abstract

The utility model provides a photovoltaic support which comprises a front column, a rear column and a framework. The framework comprises two horizontal girders and two longitudinal girders. A windshield is arranged on an upper horizontal girder of the frame. Air holes are arranged in the front face of the windshield. A backboard of the windshield is located in the rear of the frame and extends downward to the lower end of the frame. The windshield is arranged on the upper horizontal girder of the frame of the photovoltaic support, when a wind blows, the wind can enter into the windshield through the air holes in the windshield, and flows to the rear of the frame along the backboard of the windshield, thus, the negative pressure of the leeward side of a photovoltaic assembly is reduced effectively, the eddy current can't be generated, so that the pulling force on the photovoltaic assembly is reduced efficiently, the purpose to reduce stress on the photovoltaic assembly in a wind is achieved, and the damage of the photovoltaic assembly by the wind in a strong wind is avoided.

Description

Photovoltaic bracket

Technical field

The utility model relates to a kind of photovoltaic bracket, particularly a kind of photovoltaic bracket with stronger wind-shielding function.

Background technology

Current, increasing country is using regenerative resource as the important way that realizes sustainable development, in the research and development of the regenerative resources such as wind energy, solar energy, drops into all in continuous reinforcement.Solar photovoltaic assembly is the pith of photovoltaic generating system, and normal light photovoltaic assembly is arranged on photovoltaic module support, and a plurality of photovoltaic brackets that are supported with photovoltaic module are arranged in predetermined array, and forms photovoltaic generating system by being electrically connected to.Because photovoltaic module is arranged on field more, because the environment in field is had nothing in common with each other, therefore one of most important feature of solar photovoltaic bracket design of any type is exactly weatherability, the structure of the photovoltaic bracket of requirement design must be solid and reliable, can bear as atmospheric corrosion wind load and other external effect.

Often wind speed is larger in a lot of areas that arrange at photovoltaic module, and a lot of local wind speed even can reach 13 grades (as west areas of China) sometimes.Photovoltaic module is when receiving wind, its windward side forms zone of positive pressure, lee face can produce eddy current and form negative pressuren zone, the corresponding photovoltaic module of zone of positive pressure forms one " thrust ", and negative pressuren zone forms one " pulling force " with respect to photovoltaic module, " pulling force " that evidence negative pressuren zone produces is greater than " thrust " toward contact meeting, and therefore in the situation that of wind, the suffered power of photovoltaic module is making a concerted effort of " thrust " and " pulling force ".For fear of photovoltaic module, be blown to four winds, conventional mode is that the support strength that crossbeam increases photovoltaic module is set on photovoltaic bracket more at present.Although adopt in this way and can play to a certain extent mitigation, still can be blown bad by some photovoltaic module in the situation that wind is large.

Utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of photovoltaic bracket that reduces the suffered negative pressure pulling force of photovoltaic module.

For achieving the above object and other relevant objects, the utility model provides a kind of photovoltaic bracket, comprise front column, rear column, described front column, rear column is provided with the framework for installation photovoltaic component, described framework comprises two horizontal girders and two longitudinal girders, between two longitudinal girders, be also provided with at least one crossbeam, the horizontal girder that is positioned at described framework top is provided with a windshield, the front end face of described windshield is provided with ventilation hole, the backboard of described windshield is positioned at the rear of described framework, the backboard of described windshield extends downward the lower end of described framework.

Preferably, the front end face of described windshield is arcwall face, and described ventilation hole is positioned on this arcwall face.

Preferably, the backboard of described windshield is provided with air-vent.

Preferably, the backboard of described windshield is provided with reinforcement.

As mentioned above, photovoltaic bracket of the present utility model has following beneficial effect: this photovoltaic bracket is provided with a windshield on the horizontal girder above framework, when having wind to come, wind can directly enter in windshield by the ventilation hole on windshield, and along the backboard of windshield, flow to the rear of framework, photovoltaic module just can effectively be reduced by the negative pressure pressure of a side of wind like this, can not produce eddy current yet, thereby can effectively reduce photovoltaic module suffered " pulling force ", and then arrive to reduce photovoltaic module stressed object when blowing, while avoiding wind large, photovoltaic module is blown bad.

Accompanying drawing explanation

Fig. 1 is the perspective view of the utility model embodiment.

Fig. 2 is the front view of the utility model embodiment windshield.

Fig. 3 is the end view of the utility model embodiment windshield.

Element numbers explanation.

1	Front column
		2	Rear column
3	Horizontal girder
		4	Horizontal girder
5	Longitudinal girder
		6	Longitudinal girder
7	Crossbeam
		8	Brace
9	Concrete fixed block
		10	Windshield
11	Ventilation hole
		12	Backboard
13	Air-vent

Embodiment

By particular specific embodiment, execution mode of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.

Refer to Fig. 1 to Fig. 3.Notice, appended graphic the illustrated structure of this specification, ratio, size etc., equal contents in order to coordinate specification to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this specification, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the utility model.

As shown in Figure 1, 2, 3, the utility model provides a kind of photovoltaic bracket, and this photovoltaic bracket comprises front column 1, rear column 2, and front column 1, rear column 2 set in a row and be fixed on concrete fixed block 9.On front column 1, rear column 2, be provided with the framework for installation photovoltaic component.This framework comprises 3,4 and two longitudinal girders 5,6 of two horizontal girders, 3,4 and two longitudinal girders 5,6 of two horizontal girders form a frame structure, in order to gain in strength, can also between two longitudinal girders, also be provided with at least one crossbeam 7, between adjacent two rear columns 2, also be provided with brace 8.On above-mentioned horizontal girder, longitudinal girder and crossbeam, be provided with purlin, photovoltaic module can be fixedly connected with purlin by bolt.

On the horizontal girder 3 above framework, be provided with a windshield 10, windshield 10 is bolted on horizontal girder 3.On the front end face (being windward side) of windshield 10, be provided with ventilation hole 11, the backboard 12 of windshield 10 is positioned at the rear of framework, and backboard 12 extends downward the lower end of framework, conventionally can extend on concrete fixed block 9 always.When there being wind out-of-date, wind can enter in windshield by the ventilation hole 11 on windshield 10, then along the backboard of windshield 10, flow to the rear (being leeward side) of photovoltaic module, the negative pressure of photovoltaic module leeward side will be corresponding lower like this, and be difficult to occur so just can effectively reduce the suffered pressure of photovoltaic module by eddy current.

As a kind of optimal way, the front end face of windshield 10 can be arranged to arcwall face, ventilation hole 11 is arranged on this arcwall face, and front end face adopts arcwall face can reduce the resistance of wind, even if increase like this by a windshield on framework, also can not bring too large unnecessary external force to photovoltaic bracket.Because windshield 10 is interior, can there is wind to enter always, excessive in order to prevent windshield internal pressure, can on the backboard 12 of windshield 10, be provided with air-vent 13, enter like this windshield 10 gas some will from air-vent 13, flow out, thereby can make the inner and outer air pressure of windshield 10 reach balance.Arrange after windshield, the negative pressure pressure that former cause photovoltaic module bears is almost all born by the backboard 12 of windshield, therefore can reinforcement be set on the backboard 12 of windshield to increase its intensity.

This photovoltaic bracket is provided with a windshield on the horizontal girder above framework, when having wind to come, wind can directly enter in windshield by the ventilation hole on windshield, and along the backboard of windshield, flow to the rear of framework, photovoltaic module just can effectively be reduced by the negative pressure pressure of a side of wind like this, can not produce eddy current yet, thereby can effectively reduce photovoltaic module suffered " pulling force ", and then arrive to reduce photovoltaic module stressed object when blowing, while avoiding wind large, photovoltaic module is blown bad.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.

Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims

1. a photovoltaic bracket, comprise front column, rear column, described front column, rear column are provided with the framework for installation photovoltaic component, described framework comprises two horizontal girders and two longitudinal girders, between two longitudinal girders, be also provided with at least one crossbeam, it is characterized in that: the horizontal girder that is positioned at described framework top is provided with a windshield, the front end face of described windshield is provided with ventilation hole, the backboard of described windshield is positioned at the rear of described framework, and the backboard of described windshield extends downward the lower end of described framework.

2. photovoltaic bracket according to claim 1, is characterized in that: the front end face of described windshield is arcwall face, and described ventilation hole is positioned on this arcwall face.

3. photovoltaic bracket according to claim 1, is characterized in that: the backboard of described windshield is provided with air-vent.

4. photovoltaic bracket according to claim 1, is characterized in that: the backboard of described windshield is provided with reinforcement.