CN209710040U - Protective device for photovoltaic module leakage tests - Google Patents

Abstract

The utility model relates to the manufacturing technology field of photovoltaic module more particularly to a kind of protective device for photovoltaic module leakage tests, including shell, the hull outside is bonded one layer of lighttight black insulation film；The shell includes top cover, side cover and bottom cover；The side cover is four pieces, hinged by four sides of hinged shaft and the top cover respectively, and the bottom cover is four pieces, and four pieces of bottom covers are linked together with four pieces of side covers respectively, and handle is fixed on the outside of the side cover, is correspondingly provided with buckle and card slot on two adjacent side covers.Utility model device is due to the isolation by using the black insulated plastic plastic jacket of lighttight light; realize the protection of feeder ear; thus, it is possible to realize timely detection and maintenance to photovoltaic module under any circumstance, by being preferably minimized of loss, while it can ensure the personal safety of maintenance personal.

Description

Protective device for photovoltaic module leakage tests

Technical field

The utility model relates to the manufacturing technology fields of photovoltaic module, more particularly to one kind to be used for photovoltaic module leakage tests Protective device.

Background technique

In technical field of photovoltaic power generation, photovoltaic generating system will receive in longtime running the influence of various factors and be sent out Raw leaky.Every year because the lethal number of photovoltaic module electric leakage occupies large percentage in photovoltaic related accidents.From battery material, Manufacturing process and production technology angularly from the point of view of, there are many multiplicity for electric leakage reason, for example, because of lattice defect, etching not exclusively, aluminium PID effect that particle contamination battery front side, component occur under high voltage operation for a long time, the external environment of high temperature and humidity, hot spot The reasons such as effect.When drain conditions occurs in photovoltaic module, photovoltaic module or battle array can only often be cut off for photovoltaic generating system The connection of column and subsequent conditioning circuit, can not directly control photovoltaic power supply end and no longer generate electricity, because the invention one kind is in any case It is highly important for can making photovoltaic module power loss to protect the protective device of maintenance personal's safety.

China Patent No. CN201610859197.3, data of publication of application are to disclose in August 1 patent of invention for 2017 A kind of protective device and its operating method for solar energy photovoltaic panel.This device is the problem is that cannot completely guarantee too Positive energy photovoltaic panel is not affected by and its stability of device.And when photovoltaic panel is due to external environment or technique When electrical leakage problems occurs in the reason of problem etc., it effectively can not be protected and be repaired.China Patent No. CN201420508747.3, data of publication of application are to disclose a kind of test photovoltaic module on 2 18th, 2015 patents of invention The device and its operating method of electric leakage situation.The invention is the problem is that it is in photovoltaic module that whether test photovoltaic module, which leaks electricity, It is still tested under the situation of power generation, can not ensure the safety of testing staff well, also as this patent is in background technique " it there is no the test method of standard at present as middle introduction to assess in the case where component internal generates voltage, personnel are to group Part is operated the danger for whether having electric shock." for example tested using this utility model during personnel accidentally touch To metal edge frame, it is more likely that will lead to the electric shock to human body, Danger Electric shock risk occurs.In addition, this patent does not have detailed introduction The lead-out wire of tail portion insulating sleeve one end setting and its mode and arrangement being attached with multimeter, can not judge in test Whether can threaten in the process to personnel.China Patent No. CN201410010988.X, the day for announcing are on May 07th, 2014 Patent of invention in disclose a kind of photovoltaic solar building lightning protection facility construction method.Light facility the problem is that, When being struck by lightning and generating leakage current, which can not effectively repair photovoltaic module and guarantee to tie up photovoltaic module Repair the safety of personnel.

In conclusion for the problem of being exposed from photovoltaic system longtime running, when solar energy photovoltaic panel generates electric leakage When stream, daytime due to feeder ear can not cut off i.e. too can irradiation so that photovoltaic module still can continue to generate electricity, be not easy to carry out The detection and maintenance of photovoltaic panel.On the other hand, when service personnel attempts to maintenance photovoltaic module, if deposited near metal frame There are leakage current, current leakage will lead to electric shock and damage to the personal safety of maintenance personal or dead, especially if letting out The trunk that the electric current of leakage passes through human body.And the prior art is for solar energy photovoltaic panel or photovoltaic system a part mostly Protection is rear relay protection to the leakage protection system of personal safety protected and used when without being related to photovoltaic module electric leakage Shield.

Utility model content

Purpose of the utility model is to overcome the shortcomings of the above technology, and to provide one kind to be used for photovoltaic module leakage tests Protective device.

In order to achieve the above object, the utility model adopts the following technical solutions: a kind of for photovoltaic module leakage tests Protective device, it is characterised in that: including shell, the hull outside is bonded one layer of lighttight black insulation film；The shell Body includes top cover, side cover and bottom cover；The side cover is four pieces, hinged by four sides of hinged shaft and the top cover respectively, described Bottom cover is four pieces, and four pieces of bottom covers are linked together with four pieces of side covers respectively, is fixed with handle on the outside of the side cover, adjacent two Buckle and card slot are correspondingly provided on side cover.

Preferably, the black insulation film is the black polyester film of SB00 light.

Preferably, the sum of area of four bottom covers is less than the area of top cover.

The beneficial effects of the utility model are: utility model device by using the black insulated plastic of lighttight light due to being moulded Expect cover isolation, realize the protection of feeder ear, thus, it is possible to realize under any circumstance to photovoltaic module it is timely detection and Maintenance, by being preferably minimized of loss, while can ensure the personal safety of maintenance personal.It is simple and compact for structure, it is easy to use, make It is wide with range, it is at low cost, securely and reliably.The realization that the design of shaft and handle can be convenient is to monolithic photovoltaic panel in photovoltaic module Covering and disassembly, and be effectively prevented contact of the metal frame with maintenance personal.The design of engaging part so that seal more The phenomenon that photovoltaic panel is firmly fixed, in the carrying of the covering of device, disassembly and photovoltaic panel is not in loosening occurs anti- Personnel's electric shock accidents caused by protection unit, further improves stability and safety.Due to that can carry out on daytime to photovoltaic The maintenance of plate, thus can effectively prevent in the presence of electric leakage defect photovoltaic panel daytime power generation when because of hot spot effect caused by hair TPT or glass quick-fried the phenomenon that wearing at hot spot.

Detailed description of the invention

Fig. 1 is the working state schematic representation of the utility model；

Fig. 2 is the perspective view of the utility model；

Specific embodiment

With reference to the accompanying drawing and the preferred embodiment specific embodiment that the present invention will be described in detail.It should be noted that this The specification and claims of application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing similar right As without being used to describe a particular order or precedence order.It should be understood that the data used in this way in the appropriate case can be with It exchanges, so that presently filed embodiment described herein for example can be other than those of illustrating or describing herein Sequence is implemented.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.

As depicted in figs. 1 and 2, a kind of protective device for photovoltaic module leakage tests, including shell, outside the shell Portion is bonded one layer of lighttight black insulation film；Shell uses ABS plastic shell, two-sided black PET film adhesive tape, model It is that substrate coating acrylic glue forms with black polyester film (PET), there is very strong high temperature resistant with a thickness of 0.5mm for SB00 Proof voltage energy, wherein black matrixes can achieve the effect of shading masking again.ABS resin model Antistatic type ABS720V, With a thickness of 2mm, there is the processability for being suitble to extrusion molding, electrical insulating property is preferable, and hardly by temperature, humidity and frequency Influence, can use in most circumstances.

The shell includes top cover 1, side cover 2 and bottom cover 3；The side cover is four pieces, passes through hinged shaft 4 and the top cover respectively Four sides it is hinged, the bottom cover be four pieces, four pieces of bottom covers are linked together with four pieces of side covers respectively, and the outside of the side cover is fixed There is handle 5, buckle 6 and card slot 7 are correspondingly provided on two adjacent side covers.The black insulation film is the black polyester of SB00 light Film.

When solar energy photovoltaic panel leaky occurs because of above-mentioned reason, photovoltaic module is placed on outdoor, glass surface court To the sun, component internal can generate voltage, when leaky occurs, for the lighttight exhausted of solar energy photovoltaic panel the cover Edge plastic jacket carries out the cover to solar energy photovoltaic panel, first opens four side covers, top cover is placed on solar energy photovoltaic panel Top is respectively put down side cover by shaft rotation by handle, and the bottom cover being integrated with side is simultaneously by component metals Frame bottom covers, and completes the covering to entire photovoltaic module, then the buckle is sequentially clamped in card slot, completes to fix.To Entire photovoltaic module is covered, completely cuts off light source, it is therefore prevented that retained leakage current near metal frame, current leakage will lead to electricity It hits and the personal safety of maintenance personal is damaged or dead situation, especially if the body that the electric current of leakage passes through human body It is dry.Then photovoltaic module is shorted, dump power is bled off, and is guaranteed will not there be residual electric power in the later period overhauls, soon will Photovoltaic module, which is moved to, is protected from light place, opens insulating boot, and concrete operations mode is to beat the buckle of state as shown in Figure 1 from card slot It opens, releases and fix, will be used to cover the side cover of photovoltaic module metal frame respectively by handle by the shaft rotating opening, with The bottom cover that side cover is integrated opens simultaneously, then protective device is moved to elsewhere, to carry out the detection and dimension of solar energy photovoltaic panel It repairs.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (3)

1. a kind of protective device for photovoltaic module leakage tests, it is characterised in that: including shell, the hull outside bonding One layer of lighttight black insulation film；The shell includes top cover, side cover and bottom cover；The side cover is four pieces, is passed through respectively Four sides of hinged shaft and the top cover are hinged, and the bottom cover is four pieces, and four pieces of bottom covers are linked together with four pieces of side covers respectively, described It is fixed with handle on the outside of side cover, is correspondingly provided with buckle and card slot on two adjacent side covers.

2. the protective device according to claim 1 for photovoltaic module leakage tests, which is characterized in that the black is exhausted Edge film is the black polyester film of SB00 light.

3. the protective device according to claim 1 for photovoltaic module leakage tests, which is characterized in that four bottom covers The sum of area is less than the area of top cover.