CN205656729U - High security photovoltaic power plant - Google Patents

Abstract

The utility model discloses a high security photovoltaic power plant, including a plurality of photovoltaic module, photovoltaic support and electric system be connected with the detected signal line through output cable between a plurality of photovoltaic module, this detected signal line is connected with detection alarm device and electric system electricity. Adopt the utility model discloses a high security photovoltaic power plant can in time, accurately catch the information of photovoltaic module when breaking away from photovoltaic power plant and change, protection power station safety.

Description

High security photovoltaic plant

Technical field

This utility model relates to a kind of photovoltaic power generation apparatus, particularly relates to the structure of a kind of photovoltaic plant safe antitheft.

Background technology

Under the promotion of country's new forms of energy policy, the construction of photovoltaic plant has obtained unprecedented development, particularly country The distributed photovoltaic power station project widelyd popularize, excites the investment enthusiasm of common people, has obtained the positive of vast urban and rural residents Response, the Quantity of photovoltaic plant, particularly distributed photovoltaic power station gets more and more, and installed capacity hits new peak repeatly, photovoltaic electric Construction relevant knowledge of standing also becomes increasingly popular, and is also continuously increased the demand of photovoltaic module, as the major function of photovoltaic plant Parts, and it is all to be installed by bolt briquetting etc., is very easy to dismounting, this has unprincipled fellow the most unavoidably and tears other people steathily open On power station, the situation of photovoltaic module occurs.

Owing to large-sized photovoltaic power station is all arranged on famine hill slope, countryside or beach, distributed photovoltaic power station is also built upon sky , there is a common feature on ground or roof, is in the state being difficult to keep an eye on, and will result in the property damage in power station just in case being stolen Losing, moreover, if do not found in time after photovoltaic module is stolen, remaining photovoltaic module is produced electricity after generating Easily there is electric leakage accident in stream, causes personal injury, be even also possible to the accidents such as initiation fire, result in greater loss.Slightly have The photovoltaic electric standing-meeting of scale is arranging fence about, and to reach the purpose to photovoltaic plant insulation blocking, but this is for having a mind to Behavior of tearing open steathily, then not having protective effect, if arranging other security protection measure at photovoltaic plant, being on the one hand high cost, The most easily produce and misrepresent deliberately wrong report, cause unnecessary fear.

Utility model content

For the above-mentioned deficiency existing for prior art, technical problem to be solved in the utility model is to provide a kind of high Safety photovoltaic plant, it can capture information change when photovoltaic module is departed from photovoltaic plant, protection electricity accurately and in time Stand safety.

In order to solve above-mentioned technical problem, a kind of high security photovoltaic plant of the present utility model, including some photovoltaic groups Part, photovoltaic bracket and electrical system, connected by output cable between described some photovoltaic modulies and have signal lines, this inspection Survey holding wire to electrically connect with detection alarm device.

In said structure, there is signal lines owing to being connected by output cable between described some photovoltaic modulies, The most described signal lines is disposed in the output cable of photovoltaic module, when photovoltaic module connects formation light by output cable During volt generating set string, it is distributed in the signal lines in each output cable and the most just can be connected to the detection signal of entirety simultaneously Line, when taking the grafting joint between output cable in order to dismantle photovoltaic module apart or cutting off output cable, signal lines Also will be disconnected simultaneously, thus send detection signal；Electrically connect with detection alarm device due to this signal lines again, then one Denier signal lines sends detection signal, and detection alarm device will make corresponding alarm response, it is thus possible to accurately and in time Capture this information change when being departed from photovoltaic generation group string of photovoltaic module, remind at maintenance management personnel reply immediately Reason, and prevent the generation of follow-up harm, protect the safety in power station.

A kind of preferred implementation of the present utility model, in described signal lines, detection alarm device and electrical system Electric power generating composition measure loop.Using this embodiment, once signal lines disconnects, and its measure loop constituted is also the most same Time disconnect, detection alarm device action immediately will send alarm signal, and by the power supply in electrical system and detection signal Line and detection alarm device constitute measure loop, provide warning required electric power, simple for structure, embodiment party for detection alarm device Just, power plant safety has been ensured.

Another kind of preferred implementation of the present utility model, described signal lines and the output power line bag of photovoltaic module It is overlying in the same oversheath of output cable.Use this embodiment, the detection letter being coated in the same oversheath of output cable Number line constitutes twin-core output cable with the output power line of photovoltaic module, it is simple to construction and installation, and profile and conventional photovoltaic module Output cable identical, signal lines is available the most hidden and protection.

Another preferred implementation of the present utility model, the signal lines between each photovoltaic module is by output cable Grafting joint is electrically connected to each other.This embodiment, the signal lines between each photovoltaic module is used to be connected with each other conveniently.

This utility model further preferred embodiment, signal wire connecting point and each photovoltaic group between described each photovoltaic module Between part, electric lines of force grafting point is positioned at same joint housing.Using this embodiment, the photovoltaic module with signal lines is defeated Go out cable connector and common photovoltaic module output cable joint and there is identical grafting joint form, and signal lines without Separately setting grafting joint, it is easy for installation, detection is reliable.

Another further preferred embodiment of this utility model, the detection in two output cables on same photovoltaic module Holding wire is electrically connected to each other in photovoltaic component terminal box.Use this embodiment, it is ensured that on same photovoltaic module two defeated Going out signal lines set in cable to be connected as a single entity and link position obtains the protection of photovoltaic component terminal box, connection can Lean on, safety high.

The another further preferred embodiment of this utility model, is provided with detection and controls electricity in described detection alarm device Road.Use this embodiment, by detection control circuit can reed time controll warning executive component action, improve functional reliability.

This utility model further preferred implementation, described detection alarm device includes buzzer and/or sudden strain of a muscle Light display lamp.Use this embodiment, when can be departed from photovoltaic plant by sound and/or optical signal timely feedback light photovoltaic assembly Information change, prompting related personnel process rapidly, protects power plant safety.

Accompanying drawing explanation

With specific embodiment, this utility model high security photovoltaic plant is made the most below in conjunction with the accompanying drawings Bright.

Fig. 1 is the structural representation of this utility model a kind of detailed description of the invention of high security photovoltaic plant；

Fig. 2 is the side view of structure shown in Fig. 1；

Fig. 3 is the cross-sectional schematic in structure shown in Fig. 1 after the fractionation of grafting joint two parts.

In figure: 1-photovoltaic module, 2-photovoltaic bracket, 3-photovoltaic component terminal box, 4-output cable, 5-grafting connect Head, 6-detect alarm device, 7-electrical system, 8-output power line, 9-signal lines, 10-joint housing, 11- Electric lines of force grafting point, 12-signal wire connecting point.

Detailed description of the invention

In the high security photovoltaic plant shown in Fig. 1, Fig. 2 and Fig. 3, photovoltaic bracket 2 is the supporting base of photovoltaic module 1 Being installed on the building foundation such as ground or roof, photovoltaic module 1 becomes array to be arranged on photovoltaic bracket 2 with certain quantity, Photovoltaic module 1 accepts solar irradiation, and solar energy is converted to electric energy two output cables 4 on photovoltaic component terminal box 3 Outwards conveying, the output cable 4 on each photovoltaic module 1 is mutually inserted formation one photovoltaic group string, same group of string by grafting joint On each photovoltaic module 1 produced by electric energy through output cable 4 connect after electrically connect with electrical system 7, by electrical system 7 to The energy storage device such as national grid or accumulator or electricity consumption facility conveying electric energy.Between each photovoltaic module 1 by output cable 4 even It is connected to signal lines 9(and sees Fig. 3), this signal lines 9 electrically connects with detection alarm device 6 and electrical system 7, detects signal Line 9, detection alarm device 6 and the electric power generating composition measure loop in electrical system 7.As it is shown on figure 3, signal lines 9 and photovoltaic The output power line 8 of assembly 1 is coated in the same oversheath of output cable 4, signal lines 9 and the letter in grafting joint 5 Number line grafting point 12 electrically connects, and output power line 8 electrically connects with the electric lines of force grafting point 11 in grafting joint 5, each photovoltaic module 1 Between signal wire connecting point 12 and each photovoltaic module between electric lines of force grafting point 11 be positioned at same joint housing 10, a joint housing Signal wire connecting point 12 in 10 and electric lines of force grafting point 11 on joint housing 10 inserting column inner hole wall in sleeve-shaped, in ring It is provided with insulator, signal wire connecting point 12 He in sleeve-shaped between signal wire connecting point 12 and the electric lines of force grafting point 11 of set shape The endoporus working position equal diameters of electric lines of force grafting point 11, the signal wire connecting point 12 in another joint housing 10 and electric lines of force Grafting point 11 in joint housing 10 spliced eye in the cylindricality being coaxially disposed, at cylindrical signal wire connecting point 12 and electric lines of force Being provided with insulator between grafting point 11, cylindrical signal wire connecting point 12 and the cylindrical working position of electric lines of force grafting point 11 are straight Footpath equal and with in the point of the signal wire connecting in sleeve-shaped 12 in the joint housing 10 plugged and electric lines of force grafting point 11 Working position, hole diameter is corresponding, and therefore, the signal lines 9 between each photovoltaic module 1 is again by the grafting joint of output cable 4 5 are electrically connected to each other, and on same photovoltaic module 1, the signal lines 9 in two output cables 4 is in photovoltaic component terminal box 3 It is electrically connected to each other, so, by output cable 4 and grafting joint 5 thereof, the signal lines 9 in same photovoltaic group string is linked as one Body electrically connects with detection alarm device 6 and electrical system 7, and examines with the electric power generating composition in detection alarm device 6 and electrical system 7 Survey time road, as long as extracting grafting joint 5 or cutting off output cable 4, signal lines 9 will capture photovoltaic accurately and in time Assembly 1, by information change during disengaging photovoltaic plant, sends alarm signal by detection alarm device.At detection alarm device 6 Inside it is provided with detection control circuit, in order to the break-make reed time controll warning executive component action according to signal lines 9, detection report Alarm device 6 includes the alarm executive component such as buzzer and/or flashing trafficator, requires to send according to detection control circuit Sound, light warning message.

Below only list detailed description of the invention more of the present utility model, but this utility model is not limited to that, also May be made that more improvement and conversion, as described signal lines 9, detection alarm device 6 may not be and electrical system 7 In electric power generating composition measure loop, but with the electric power generating composition measure loop such as the special lithium battery arranged；At a described joint shell Signal wire connecting point 12 and the distribution of electric lines of force grafting point 11 in body 10 can also be that electric lines of force grafting point 11 is positioned at joint shell Body 10 inserting column endoporus, and signal wire connecting point 12 is positioned at joint housing 10 inserting column outer wall, correspondingly, another joint matched Electric lines of force grafting point 11 in housing 10 is the conductive pole in joint housing 10 spliced eye, and signal wire connecting point 12 is for connect Conduction ring set in casing 10 spliced eye, can play the signal lines 9 between each photovoltaic module 1 equally also by output cable The effect that the grafting joint 5 of 4 is electrically connected to each other.And so on, as long as done on the basis of this utility model ultimate principle Improve and conversion, be regarded as falling in protection domain of the present utility model.

Claims (8)

1. a high security photovoltaic plant, including some photovoltaic modulies (1), photovoltaic bracket (2) and electrical system (7), it is special Levy and be: being connected by output cable (4) between described some photovoltaic modulies (1) has signal lines (9), this detection signal Line (9) electrically connects with detection alarm device (6).

High security photovoltaic plant the most according to claim 1, it is characterised in that: described signal lines (9), detection report Alarm device (6) and the electric power generating composition measure loop in electrical system (7).

High security photovoltaic plant the most according to claim 1, it is characterised in that: described signal lines (9) and photovoltaic The output power line (8) of assembly (1) is coated in the same oversheath of output cable (4).

4. according to the high security photovoltaic plant described in claim 1,2 or 3, it is characterised in that: the inspection between each photovoltaic module (1) Survey holding wire (9) to be electrically connected to each other by the grafting joint (5) of output cable (4).

High security photovoltaic plant the most according to claim 4, it is characterised in that: signal between described each photovoltaic module (1) Between line grafting point (12) and each photovoltaic module, electric lines of force grafting point (11) is positioned at same joint housing (10).

High security photovoltaic plant the most according to claim 1, it is characterised in that: same photovoltaic module (1) upper two defeated The signal lines (9) gone out in cable (4) is electrically connected to each other in photovoltaic component terminal box (3).

High security photovoltaic plant the most according to claim 1, it is characterised in that: set in described detection alarm device (6) It is equipped with detection control circuit.

High security photovoltaic plant the most according to claim 1, it is characterised in that: described detection alarm device (6) comprises There are buzzer and/or flashing trafficator.