CN110380682A - Solar battery splicing apparatus and its component and connection status inspection method - Google Patents

Solar battery splicing apparatus and its component and connection status inspection method Download PDF

Info

Publication number
CN110380682A
CN110380682A CN201810332951.7A CN201810332951A CN110380682A CN 110380682 A CN110380682 A CN 110380682A CN 201810332951 A CN201810332951 A CN 201810332951A CN 110380682 A CN110380682 A CN 110380682A
Authority
CN
China
Prior art keywords
contact
solar battery
terminal box
battery splicing
area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810332951.7A
Other languages
Chinese (zh)
Inventor
徐冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongjun New Energy Co ltd
Original Assignee
Beijing Hanergy Solar Power Investment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Hanergy Solar Power Investment Co Ltd filed Critical Beijing Hanergy Solar Power Investment Co Ltd
Priority to CN201810332951.7A priority Critical patent/CN110380682A/en
Publication of CN110380682A publication Critical patent/CN110380682A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10Testing of PV devices, e.g. of PV modules or single PV cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The present invention provides a kind of solar battery splicing apparatus and its component and connection status inspection method.Solar battery splicing apparatus includes at least two solar battery splicing components and at least one terminal box.Solar battery splicing component is respectively arranged with a pair of of output contact and a pair of of auxiliary contact in the first area and each of second area region in one lateral plates, positive and negative electrode output contact of each output contact as the battery electrode of solar battery splicing component, each auxiliary contact in each region are electrically connected with an auxiliary contact in another region.Terminal box is with connection surface, and in the different join domains in connection surface, being each provided with can be with four wiring contact of a pair of of output contact and a pair of of auxiliary contact physical connection in any region of solar battery splicing component.Terminal box is additionally provided with the electric switch that can be operationally electrically connected two-by-two at least part in the wiring contact in connection surface.

Description

Solar battery splicing apparatus and its component and connection status inspection method
Technical field
The present invention relates to area of solar cell, more particularly to are combined with the solar battery splicing apparatus of hull cell.
Background technique
It moves the proposition of energy concept and rises the development with thin film solar technology and gradually mature closely related.With it is big Majority is applied to the photovoltaic generating system difference of power generation, non-renewable energy supply, and thin film solar technology not can be applied only for The all occasions of non-renewable energy supply, its own be also equipped with it is light, thin, soft, can bear to jolt and without crack etc. commonly crystal silicon or its The characteristics of his hard solar battery does not have.These features of thin-film solar cells allow to apply in such as various joys The occasions such as pleasure, style, education, children's intelligence initiation.
However, the terminal box and the mode of connection that are commonly used in solar battery are mostly to realize that primary (permanent type) energy supplies For the purpose of answering, the purpose spliced in series and parallel between battery is the needs for meeting non-renewable energy supply, does not consider function seldom or substantially Diversity, the compatibility of integral layout and standardization consistency the problems such as, do not adapt to the work requirements of wide loading range. In addition, the structure of current solar battery apparatus is integral type, output power capacity of water is determined by surface area, and work solid point It is fixed, it is not easy to store, so as to cause current solar battery apparatus application mainly for the purpose of power generation, greatly limits its work For the application field of the mobile energy.
Summary of the invention
The present invention is completed in order at least partly solve the technical problems existing in the prior art.
According to the first aspect of the invention, a kind of solar battery splicing component is provided, is spliced for solar battery Device, wherein the solar battery splicing component has the form of plate;In the side plate of the solar battery splicing component In first area on face, be provided with a pair of of output contact and a pair of of auxiliary contact, in the side plate face with described the In the different second area in one region, it is provided with another pair output contact and another pair auxiliary contact;Each pair of output contact wraps Include the positive output contact and cathode output contact of the battery electrode as the solar battery splicing component;Described first Each auxiliary contact and the first area and the second area in the region of each of region and the second area In another region in the electrical connection of an auxiliary contact, but in the first area and the second area other are auxiliary Help contact and each output contact electrical isolation;And in the side plate face of the solar energy splicing component or with described one Hull cell is covered in the opposite another lateral plates of lateral plates.
According to the second aspect of the invention, a kind of solar battery splicing apparatus is provided, the sun can battery splicing dress Set the solar battery splicing component for including: at least one according to the first aspect;And at least one terminal box, it is described to connect Wire box in the different join domains in the connection surface, is each provided with four wiring contacts with connection surface, described Terminal box is provided with that at least part in the wiring contact in the connection surface operationally can be electrically connected two-by-two and picks up The electric switch come.Wherein, the solar battery splicing component is connect with the terminal box in the following manner: the solar-electricity The first area of pond splicing component or the pair of output contact in second area and the pair of auxiliary contact respectively with institute State the corresponding wiring contact electrical contact in a join domain of the connection surface of terminal box.
According to the third aspect of the invention we, it provides a kind of for splicing dress according to the solar battery of the third aspect The connection status inspection method set, wherein each terminal box is provided with the voltage between the wiring contact for measuring the terminal box Potentiometer and for issue instruction indicating device;And the method includes in the solar battery splicing apparatus The first terminal box and the second terminal box be connected to the first solar battery in the solar battery splicing apparatus splicing On component, thus a pair of of output contact and a pair of of auxiliary in the first area of the first solar battery splicing component Contact is coupled with wiring contact corresponding in a join domain of first terminal box respectively, and first solar energy A pair of of output contact in the second area of battery splicing component and a pair of of auxiliary contact respectively with second terminal box one In a join domain in the case where the coupling of corresponding wiring contact: measuring described the by the potentiometer in first terminal box What a pair of of output contact in the first area with the first solar battery splicing component of one terminal box coupled connects First voltage between line contact passes through first terminal box if the first voltage is less than scheduled threshold voltage In indicating device issue electrical connection state exception instruction;And it will be described by the electric switch in first terminal box What a pair of of output contact in the first area with the first solar battery splicing component of the first terminal box coupled Wiring contact is respectively electrically connected to first terminal box with the first solar battery splicing component firstth area The wiring contact of a pair of of auxiliary contact coupling in domain, measures second wiring by the potentiometer in second terminal box The wiring contact of a pair of of auxiliary contact coupling in the second area with the first solar battery splicing component of box Between second voltage, if the second voltage be less than the threshold voltage, pass through the instruction in second terminal box The instruction of device sending electrical connection state exception.
Detailed description of the invention
In the following, being based on attached drawing, example embodiment of the invention is illustrated, in which:
Fig. 1 is the schematic top plan view of solar battery splicing component according to an embodiment of the present invention;
Fig. 2 is the schematic top plan view for showing four splicing components being stitched together;
Fig. 3 is the perspective view of terminal box according to an embodiment of the present invention;
Fig. 4 is the schematic plan of a solar battery splicing apparatus according to an embodiment of the present invention;
Fig. 5 is the schematic diagram for showing the status of electrically connecting of solar battery splicing apparatus shown in Fig. 4;
Fig. 6 is the signal for showing the status of electrically connecting of another solar battery splicing apparatus according to an embodiment of the present invention Figure;
Fig. 7 (a) is to show the electrical contact of the output contact of detection terminal box and splicing component whether normal step is shown It is intended to;
Fig. 7 (b) is to show the electrical contacts of the auxiliary contact of detection terminal box and splicing component whether normal step is shown It is intended to;
Fig. 8 is the schematic plan for showing the solar battery splicing apparatus according to variation example.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, come with reference to the accompanying drawing to the present invention The solar battery splicing component of offer, terminal box, solar battery splicing apparatus and it is used for solar battery splicing apparatus Connection status inspection method be described in detail.
Fig. 1 is solar battery splicing component (hereinafter may be simply referred to as splicing component) 1a of embodiment according to the present invention Schematic top plan view.As shown in Figure 1, splicing component 1a has the form of plate on the whole.In the present embodiment, the shape of plate is Square.
It is located at two angles in four corners 101a, 102a, 103a and 104a in the plate face of the side of splicing component 1a In the region of portion 101a and 103a, it is respectively disposed with a pair of of output contact and a pair of of auxiliary contact.
Specifically, being disposed with a pair of of output touching in plate face in the region (example of first area) of corner 101a Point 11a, 12a and a pair of of auxiliary contact 13a, 14a, and it is located at the region of the corner 103a with corner 101a diagonally in plate face In (example of second area), it is disposed with another pair output contact 15a, 16a and another pair auxiliary contact 17a, 18a.Wherein, defeated Contact 11a and 15a is the positive output contact of splicing component 1a to positive potential having the same each other, output contact out 12a and 16a is the cathode output contact of splicing component 1a to negative potential having the same each other.Auxiliary contact 13a, 14a, 17a, 18a without anode, cathode point (although the auxiliary contact that will be close to positive output contact in the figure be marked with+number and incite somebody to action Close to cathode output contact auxiliary contact be marked with-number, but this is intended merely to be identified auxiliary contact).It is located at as shown in figure 1 It shows to dotted line in plate face, such as in direct-connected mode inside being carried out when encapsulating splicing component 1a, makes a pair of auxiliary It helps contact 13a, 18a to be electrically connected to each other and another pair auxiliary contact 14a, 17a is made to be electrically connected to each other.But when splicing component 1a not with When terminal box or load connection, auxiliary contact 13a, 18a are electrically insulated with auxiliary contact 14a, 17a and (are not electrically connected), and each auxiliary Contact 13a, 14a, 17a, 18a is helped to be electrically insulated with any output contact 11a, 12a, 15a, 16a.Since solar battery is usual For multilayered structure, therefore above-mentioned electrical connection, electrical isolation relationship are easily achieved, and are no longer described in detail herein.
Optionally, as shown in Figure 1, on splicing component 1a, two positive output contact 11a and 15a, two cathode outputs Contact 12a and 16a, two auxiliary contact 13a and 14a and two auxiliary contact 17a and 18a are respectively relative to splicing component 1a Plate face in a manner of diagonal crossed-symmetrical (in the present embodiment and centrosymmetric mode) arrange.In other words, for Each output contact and each auxiliary contact, to the distance away from itself nearest plate face edge and to away from itself secondary close plate The distance at face edge is all constant.For example, as shown in Figure 1, output contact 11a to the distance away from its nearest plate face edge be b, It is a to the distance away from next close plate face edge, other output contacts are also all to the distance away from itself nearest plate face edge B is also a to the distance away from itself secondary close plate face edge.
Further optionally, auxiliary contact 13a, 14a, 17a, 18a is arranged in than output contact 11a, 12a, 15a, 16a more Close to the position on the vertex of corresponding corner 101a, 102a, 103a and 104a, and therefore have than output contact 11a, 12a, 15a, 16a small size.
In addition, being covered with the thin-film electro for being converted into electric energy for receiving light in the plate face of splicing component 1a Pond (not shown).
It should be noted that output contact that hull cell can be covered on splicing component 1a and side where auxiliary contact In plate face.Optionally, solar energy film can also be covered on splicing component with output contact and auxiliary contact opposite side In plate face.
Fig. 2 shows four same splicing components being stitched together in a manner of similar splicing ceramic tile (or mosaic) 1a to 1d.Hereinafter, the element on different splicing components is distinguished with the letter at appended drawing reference end.As shown in Fig. 2, four Splicing component 1a to 1d is stitched together near a convergent point, thus the respective corner four splicing component 1a to 1d 101a, 102c, 103d and 104b are focused at the convergent point attachment, and near the convergent point, and there are four anode output touchings Totally 16 contacts point 11a to 11d, four cathode output contact 12a to 12d, 8 auxiliary contact 13a to 13d and 14a to 14d. Therefore, contact located adjacent one another is electrically connected for example, by terminal box etc., each solar battery splicing component can be realized Between different series, parallel connection relationships.
Fig. 3 shows the perspective view of the terminal box 2 according to the present embodiment.Terminal box 2 can be on the whole has certain thickness The plate shape box of degree.In the present embodiment, the shape of plate is round.Optionally, the shape of the plate of terminal box 2 can be square, The other shapes such as rectangle.Furthermore terminal box 2 can have columnar shape rather than plate-like shape.
Terminal box 2 is provided with multiple wiring contacts for example using its bottom surface as connection surface in the connection surface.Wiring Contact includes positive terminal contact 21a to 21d, negative terminal contact 22a to 22d and auxiliary connection contact 23a to 23d, 24a To 24d.These wiring contacts are circumferentially arranged to four groups along connection surface, and every group includes four wiring contacts.For example, such as Fig. 3 Shown, one group of wiring contact in connection surface left area includes positive terminal contact 21b, negative terminal contact 22b With two auxiliary connection contact 23b and 24b.Four groups of wiring contact centers are symmetrically arranged in connection surface, each group of wiring Contact has same function.
Terminal box 2 at least partly (can operationally will can be disconnected to) and be electrically connected two-by-two in wiring contact.Specifically It says, inside terminal box 2, is provided with the multiple electric switches that each wiring contact can be operationally electrically connected two-by-two (not shown).Wherein each electric switch is for a wiring contact and another wiring contact to be operationally electrically connected. (that is, corresponding with same splicing component) positive terminal contact and negative terminal contact as special case, in the same area Between (for example, between positive terminal contact 21a and negative terminal contact 22a) be not provided with electric switch, to avoid short circuit.These electricity Switch can have the form of wire jumper, and in the jumper holders (not shown) being located in terminal box 2.Optionally, these electric switches It can be physical switch, be manually attached/disconnect (for example, by key on terminal box surface) by user;It can also be with It is electronic switch, by semiconductor devices, by from terminal box 2 or the externally input control signal of terminal box 2 controls on-off. Furthermore, it is possible to which 16 wiring contacts that the electric switch of terminal box is constructed to allow in connection surface are arbitrarily interconnected, then Forbid the connection between some of them wiring contact by way of software configuration, such as forbids the positive terminal in the same area Connection between contact and negative terminal contact.In addition, being directed to each terminal box, a limited number of set can be only provided and typically connect Line contact connection scheme, to reduce the quantity of electric switch and user is facilitated to select.
In addition, being also provided with the potentiometer (not shown) for measuring the voltage between wiring contact in terminal box 2.Hold It is intelligible to be, different wiring contacts can be connected to by same potentiometer by the switching of each electric switch of control.Separately Outside, indicating device (not shown) has can be set in terminal box 2, and indicating device is used to cooperate with potentiometer, for example to detect During the connection status of solar battery splicing apparatus, instruction is provided a user when discovery electrical connection is abnormal (will be It is detailed below).Indicating device can be the devices such as screen, indicator light, buzzer, loudspeaker, be also possible to wired or nothing The mode of line issues the device of instruction information to external equipment (such as mobile phone, monitor etc.).Optionally, in the connection of terminal box On surface, the locating piece (for example, baffle) for being positioned to splicing component can be set, be also provided with for locking Determine the locking mechanism of splicing component.Optionally, it is flowed through between wiring contact may be provided for measuring in terminal box 2 The galvanometer of electric current, the fuse for preventing short circuit or overload, the communication for being communicated with external equipment or other terminal boxes Device, for calculating reasonable line arrangement mode to set calculating device of the on-off of electric switch etc. automatically.
When terminal box 2 is connect with a splicing component, or be stitched together near the same convergent point two When connecting to four splicing components, terminal box 2 covers a corner of each splicing component, and each splicing component is connect Positive output contact, cathode output contact and the auxiliary contact on corner that wire box 2 covers are corresponding in terminal box 2 respectively Positive terminal contact, negative terminal contact and the electrical contact of auxiliary connection contact.
In order to preferably ensure electrical connection, the side of output contact and the auxiliary contact of splicing component 1 to engage can be made Wiring contact in formula and terminal box is in electrical contact.For example, output contact/auxiliary contact of splicing component can be designed to indent Formula, and by the wiring contact design of terminal box at raised type, so that the wiring contact of terminal box can be inserted into the output of splicing component In contact/auxiliary contact.In addition, output contact, auxiliary contact, all or part of in wiring contact can be by magnetic conductives Element is made, so as to by output contact and/or auxiliary contact the connecing in a manner of magnetic and in terminal box for making splicing component 1 The electrical contact of line contact.In addition, output contact, auxiliary contact, all or part of in wiring contact can have spring or bullet Property part form, so as to ensure more stable electrical contact by the effect of elastic force.
Fig. 4 is to show terminal box 2 shown in Fig. 3 to be connected to four to be stitched together splicing component 1a shown in Fig. 2 extremely On 1d, to form the schematic plan of solar battery splicing apparatus.By four splicing component 1a to 1d and terminal box 2 In the solar battery splicing apparatus of composition, terminal box 2 covers a corner of each splicing component 1a to 1d, and terminal box 2 positive terminal contact 21a to 21d, negative terminal contact 22a to 22d and auxiliary connection contact 23a to 23d, 24a to 24d Respectively with positive output contact 11a to 11d, cathode output contact 12a to 12d and auxiliary contact 13a to 13d, 14a to 14d Electrical contact.In such a case, it is possible to for example using a pair of of auxiliary contact 17a, 18a of the upper left corner 103a of splicing component 1a as Load connecting pin.By setting terminal box in electric switch on-off, can be realized four splicing component 1a between 1d not Same series, parallel mode, so as to export different voltage U by loading connecting pin.
Fig. 5 is the schematic diagram for showing the status of electrically connecting of solar battery splicing apparatus shown in Fig. 4, wherein is concealed Terminal box 2, and show between the different output contacts realized using terminal box 2 and between output contact and auxiliary contact Electrical connection.In example shown in Fig. 5, four splicing component 1a to 1d are one another in series, thus by the output of load connecting pin Voltage is about the sum of the voltage of four splicing components (4 pieces of solar batteries).
Fig. 6 is the electrical connection shape for showing the solar battery splicing apparatus being made of ten splicing components and three terminal boxes The schematic diagram of state.It will be appreciated by those skilled in the art that can will be spliced using splicing component provided by the invention and terminal box Component is spliced into other patterns, cooperates with corresponding terminal box, realizes different power source designs.
In the present invention, the positive output contact of each of each splicing component, cathode output contact and auxiliary contact tool Have and is connect with other splicing component anode output contacts, cathode output contact, auxiliary contact by terminal box to constitute certain one kind The ability of the connection relationship in parallel or series of particular form.For the series-parallel pass of the splicing component in terminal box coverage area System substantially gives a variety of or in parallel or series connection or series-parallel by selecting different switching mode and the mode of connection Connection path, different connection paths can form different patterns.It can be createed using the auxiliary contact regardless of positive and negative anodes More combinations.Specific pattern is applied by deformation or abstract children's initiation, amusement, education, style etc. of can be used for Occasion.For example, solar battery splicing apparatus of the invention can also be extended to the application of Middle School Physics circuitry and middle school's number The application range of splicing component and terminal box of the invention has been expanded in the relevant field such as the permutation and combination in.
In the present invention, each splicing component and each terminal box can be made into standard component, using standard size dimensions, The working method of different capacity grade and different voltages output, tool may be implemented in the contact of standard arrangement mode and connection type There are good compatibility, expansion and easily contained property, and reduces the cost manufactured on a large scale.It is alternatively possible to by difference Application scenarios provide the splicing component for being suitable for the multiple standards electrical specification of terminal box of same specification, to further expand Application range of the invention.
Splicing component and terminal box will realize the electrical connection of physical significance, it is desirable to be able to detect the contact of terminal box with Whether the electrical contact (that is to say the physical contact between contact) between the contact of splicing component is normal, so as to the solar energy for next step The assembling of battery splicing apparatus lays the foundation.In the present embodiment, the electrical contact is determined by the way of voltage measurement whether Normally.
Fig. 7 (a) and Fig. 7 (b) is the schematic diagram for showing the connection status inspection method for solar battery splicing apparatus. Wherein, for convenience's sake, splicing component is not drawn by actual arrangement mode with the contact in terminal box, and diagrammatically only Show the connection relationship between them.
By taking splicing component 1a as an example, when splicing component 1a to be installed in terminal box 2 and terminal box 2 ' simultaneously, splicing At a corner 101a of component 1a, positive output contact 11a, cathode output contact 12a and auxiliary contact 13a, 14a respectively with Positive terminal contact 21a, the negative terminal contact 22a and auxiliary connection contact 23a, 24a of terminal box 2 are coupled;In splicing component At another corner 103a of 1a, positive output contact 15a, cathode output contact 16a and auxiliary contact 17a, 18a respectively with connect Positive terminal contact 25d ', the negative terminal contact 26d ' and auxiliary connection contact 27d ', 28d ' of wire box 2 couple (2 He of terminal box Other wiring contacts on 2 ' are not shown), which is indicated by the dotted line in Fig. 7 (a) and Fig. 7 (b).In order to detect coupling Whether the electrical contact of formation is normal, implements step shown in Fig. 7 (a) and Fig. 7 (b) respectively.
Fig. 7 (a) is the positive output contact 11a, 15a for showing detection terminal box 2,2 ' and splicing component 1a, cathode output Contact 12a, 16a electrical contact whether the schematic diagram of normal step.As shown in Fig. 7 (a), pass through the potentiometer in terminal box 2 ' Positive terminal contact 25d ', the negative terminal contact 26d ' of measurement and positive output contact 15a, cathode output contact 16a coupling Between voltage UM1- electrodeIf voltage UM1- electrodeLess than scheduled threshold voltage UThreshold value, then illustrate to be in electrical contact it is abnormal, thus Normal electrical connection is not implemented.At this moment, the abnormal instruction of electrical connection is issued by the indicating device of terminal box 2 '.It is similar Ground can be measured by the potentiometer in terminal box 2 and be connect with the anode of positive output contact 11a, cathode output contact 12a coupling Voltage U between line contact 21a, negative terminal contact 22aM2- electrodeIf voltage UM2- electrodeLess than scheduled threshold voltage UThreshold value, then illustrate to be in electrical contact it is abnormal, so that normal electrical connection be not implemented.At this moment, it is sent out by the indicating device of terminal box 2 It is electrically connected abnormal instruction out.Optionally, if the positive output contact 11a of splicing component 1a, cathode output contact 12a not A part of circuit needed for constituting, that is, positive output contact 11a, the cathode for not needing detection terminal box 2 and splicing component 1a are defeated Whether the electrical contact of contact 12a is normal out, then can save detection UM2- electrodeThe step of.
Fig. 7 (b) is the electricity for showing auxiliary connection contact 13a, 14a, 17a, 18a of detection terminal box 2,2 ' and splicing component Contact whether the schematic diagram of normal step.As shown in Fig. 7 (b), positive output contact 15a, cathode output touching are being detected Point 16a and positive terminal contact 25d ', negative terminal contact 26d ' the normal situation of electrical contact under, by terminal box 2 ' Electric switch (such as wire jumper, as shown in the connecting line 41,42 in figure) by terminal box 2 ' respectively with splicing component 1a anode it is defeated Positive terminal contact 25d ', the negative terminal contact 26d ' of contact 15a, cathode output contact 16a coupling are respectively electrically connected to out Auxiliary connection contact 28d ', the 27d ' coupled respectively with auxiliary contact 18a, 17a of splicing component 1a.At this point, due to splicing group Auxiliary contact 17a, 18a of part 1a is electrically connected with auxiliary contact 14a, 13a respectively, therefore auxiliary contact 17a and auxiliary contact 14a Current potential it is identical, auxiliary contact 18a is identical as the current potential of auxiliary contact 13a.Wiring is measured by the potentiometer in terminal box 2 ' The voltage between auxiliary connection contact 23a, 24a of auxiliary contact 13a, 14a of splicing component 1a coupling respectively of box 2 ' UM2- auxiliaryIf voltage UM2- auxiliaryLess than scheduled threshold voltage UThreshold value, then illustrate auxiliary contact 13a, 14a, 17a, 18a with it is auxiliary Adjuvant grafting line contact 27d ', 28d ', the electrical contact between 23a, 24a are abnormal, so that normal electrical connection be not implemented.At this moment, The abnormal instruction of electrical connection is issued by the indicating device of terminal box 2 '.
If in the step shown in Fig. 7 (a) and Fig. 7 (b), not finding that electrical connection is abnormal, that is, UM1- electrode≥UThreshold value、 UM2- electrode≥UThreshold valueAnd UM- auxiliary≥UThreshold value, then show that the electrical connection detected between terminal box 2,2 ' and splicing component 1a is normal.At this In the case of kind, all electric switches in terminal box 2,2 ' can be disconnected and (if being equipped with jumper holders, jumper holders interconnector be broken Open), it is in standby terminal box 2,2 ', waits peripheral operation instruction.Optionally, when detecting to be electrically connected normal, The normal instruction of electrical connection can be issued by the indicating device of terminal box 2 ' (or both terminal boxes 2 and 2 ').Optionally, as long as Detect UM1- electrode≥UThreshold valueAnd UM- auxiliary≥UThreshold value, regardless of whether having detected UM2- electrode、UM2- electrodeWhether U is less thanThreshold value, can at least by All switches in terminal box 2 ' disconnect, and are in standby terminal box 2 '.
In addition, can also be limited as follows for the connection type of junction box: 1) the open-circuit voltage values needs after group string Less than safe voltage value UOpen<USafety;2) current value after group string needs to be less than safe current value IShort<ISafety.In addition, every kind of cloth Line mode should consider in conjunction with combined factors such as practical application, size, internal component type selecting and the electromagnetic interferences of terminal box.
The connection status inspection method for solar battery splicing apparatus provided through this embodiment, can accurately know Other contact connection status provides solution for the component production and splicing application of low cost, designs and solve for splicing group string The problem of connection reliability judges.
It is understood that the principle that above embodiments are intended to be merely illustrative of the present and the exemplary implementation that uses Example, however the present invention is not limited thereto.For those skilled in the art, spirit of the invention is not being departed from In the case where essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
For example, although in the above-described embodiments, the shape (that is, shape of plate face) of the plate of splicing component is pros Shape, however, the shape of plate is also possible to regular hexagon, equilateral triangle, diamond shape, rectangle or other shapes.For example, working as the shape of plate When shape is regular hexagon, splicing component can be spliced into honeycomb pattern, and terminal box can simultaneously at most three splicing groups Part connection.It wherein, should include the case where its corner is fillet or chamfering when the shape of plate is polygon.
In addition, although in the above-described embodiments, when splicing component is implemented to splice, the edge of adjacent splicing component is each other Adjoin (for example, as shown in Figure 2), however, can also be deposited between the edge of contiguous concatenation component as shown in the variation example of Fig. 8 In certain gap.
In addition, although in the above-described embodiments, describing the solar battery splicing dress including at least four splicing components It sets.But the quantity of splicing component is without being limited thereto, and solar battery splicing apparatus can only include one, two or three splicing group Part.Furthermore, it is possible to according to the quantity of splicing component and the specific quantity for needing to select terminal box in series and parallel.
In addition, the solar battery splicing apparatus in the present invention may include except the splicing component in above-described embodiment and connecing Device or module other than wire box.For example, may include in solar battery splicing apparatus several have output contact without Splicing component with auxiliary contact.

Claims (14)

1. a kind of solar battery splicing component is used for solar battery splicing apparatus, wherein
The solar battery splicing component has the form of plate;
In the first area in the side plate face of the solar battery splicing component, it is provided with a pair of of output contact and a pair Auxiliary contact are provided with another pair output touching in the second areas different from the first area in the side plate face Point and another pair auxiliary contact;
Each pair of output contact includes the positive output contact as the battery electrode of the solar battery splicing component and bears Pole output contact;
Each auxiliary contact and the first area in the region of each of the first area and the second area With in another region in the second area an auxiliary contact electrical connection, but with the first area and described second Other auxiliary contact and each output contact electrical isolation in region;And
It is covered in the side plate face or another lateral plates opposite with the side plate face of the solar energy splicing component There is hull cell.
2. solar battery splicing component according to claim 1, wherein
The shape of the plate is selected from the group being made of following shape: regular hexagon, equilateral triangle, diamond shape, rectangle, square; And
The first area and the second area are located at the corner of the side plate face.
3. solar battery splicing component according to claim 2, wherein
The shape of the plate is square;
The corresponding corner in first area and the corresponding corner of the second area are that a pair of the square is diagonal;And
It positive output contact, cathode output contact in the first area and the second area and is electrically connected to each other auxiliary It helps contact to be respectively relative to the side plate face to arrange in a manner of diagonal crossed-symmetrical.
4. a kind of solar battery splicing apparatus, comprising:
At least one solar battery splicing component according to claim 1;And
At least one terminal box, the terminal box is with connection surface, in the different join domains in the connection surface, respectively From setting, there are four wiring contacts, and the terminal box is provided with can be by least one in the wiring contact in the connection surface The electric switch that part is operationally electrically connected two-by-two, wherein
The solar battery splicing component is connect with the terminal box in the following manner: the solar battery splicing component The pair of output contact and the pair of auxiliary contact in first area or second area respectively with the institute of the terminal box State the corresponding wiring contact electrical contact in a join domain of connection surface.
5. solar battery splicing apparatus according to claim 4, wherein
The terminal box can be connect at least two solar battery splicing components.
6. solar battery splicing apparatus according to claim 5, wherein
Each solar battery splicing component in the solar battery splicing apparatus is of the same size, identical shape It is distributed with identical contact.
7. solar battery splicing apparatus according to claim 6, wherein
The shape of the plate of each solar battery splicing component be square, described the first of each solar battery splicing component A pair that region and the second area are located at the side plate face is diagonal, thus at most four solar battery splicing groups Part can be stitched together near a convergent point, and
There are four circumferentially distributed join domains, thus the terminal box energy in the connection surface of the terminal box It is enough to be connect simultaneously with the at most four solar battery splicing components.
8. solar battery splicing apparatus according to any one of claims 4 to 7, wherein
A pair of of auxiliary contact of a solar battery splicing component in the solar battery splicing apparatus be used as it is described too The load connecting pin of positive energy battery splicing apparatus.
9. solar battery splicing apparatus according to any one of claims 4 to 7, wherein
The output contact and the auxiliary contact on the solar battery splicing component can be in a manner of engagings and institute State the wiring contact electrical contact in terminal box.
10. solar battery splicing apparatus according to any one of claims 4 to 7, wherein
The output contact and the auxiliary contact on the solar battery splicing component can be in a manner of magnetic and institute State the wiring contact electrical contact in terminal box.
11. solar battery splicing apparatus according to any one of claims 4 to 7, wherein
The terminal box, which is provided with, to be used for a pair with the solar battery splicing component for removing in each join domain Outer, the electricity being operationally electrically connected between any two wiring contact between one butted line contact of output contact electrical contact Switch.
12. solar battery splicing apparatus according to any one of claims 4 to 7, wherein
The terminal box is provided with the potentiometer of the voltage between the wiring contact for measuring the terminal box.
13. a kind of connection status for solar battery splicing apparatus according to any one of claims 4 to 11 is examined Survey method, wherein
Each terminal box is provided with the potentiometer of the voltage between the wiring contact for measuring the terminal box and for issuing instruction Indicating device;And
The method includes the first terminal box and the second terminal box in the solar battery splicing apparatus are connected to institute It states on the first solar battery splicing component in solar battery splicing apparatus, thus the first solar battery splicing group A pair of of output contact and a pair of of auxiliary contact in the first area of part are connect with one of first terminal box respectively Corresponding wiring contact coupling in region, and a pair of of output in the second area of the first solar battery splicing component The feelings that contact and a pair of of auxiliary contact are coupled with wiring contact corresponding in a join domain of second terminal box respectively Under condition:
Splicing with first solar battery for first terminal box is measured by the potentiometer in first terminal box First voltage between the wiring contact of a pair of of output contact coupling in the first area of component, if first electricity Pressure is less than scheduled threshold voltage, then the finger of electrical connection state exception is issued by the indicating device in first terminal box Show;And
By the electric switch in first terminal box by first terminal box and the first solar battery splicing group In the first area of part a pair of of output contact coupling wiring contact be respectively electrically connected to first terminal box with The wiring contact of a pair of of auxiliary contact coupling in the first area of the first solar battery splicing component, passes through institute State the potentiometer in the second terminal box measure second terminal box with described in the first solar battery splicing component Second voltage between the wiring contact of a pair of of auxiliary contact coupling in second area, if the second voltage is less than described Threshold voltage then issues the instruction of electrical connection state exception by the indicating device in second terminal box.
14. detection method according to claim 13, further includes:
Splicing with first solar battery for second terminal box is measured by the potentiometer in second terminal box Tertiary voltage between the wiring contact of a pair of of output contact coupling in the second area of component, if the third is electric Pressure is less than scheduled threshold voltage, then the finger of electrical connection state exception is issued by the indicating device in second terminal box Show.
CN201810332951.7A 2018-04-13 2018-04-13 Solar battery splicing apparatus and its component and connection status inspection method Pending CN110380682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810332951.7A CN110380682A (en) 2018-04-13 2018-04-13 Solar battery splicing apparatus and its component and connection status inspection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810332951.7A CN110380682A (en) 2018-04-13 2018-04-13 Solar battery splicing apparatus and its component and connection status inspection method

Publications (1)

Publication Number Publication Date
CN110380682A true CN110380682A (en) 2019-10-25

Family

ID=68243382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810332951.7A Pending CN110380682A (en) 2018-04-13 2018-04-13 Solar battery splicing apparatus and its component and connection status inspection method

Country Status (1)

Country Link
CN (1) CN110380682A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009131120A1 (en) * 2008-04-23 2009-10-29 シャープ株式会社 Power lines for solar power generation system, solar power generation system using the power lines, and method for inspecting malfunction of the solar power generation system
CN102270942A (en) * 2011-07-29 2011-12-07 江苏安科瑞电器制造有限公司 Modularized photovoltaic confluence collector
WO2012077556A1 (en) * 2010-12-07 2012-06-14 ソニーケミカル&インフォメーションデバイス株式会社 Solar cell output measuring device and measuring method
CN103733509A (en) * 2011-08-19 2014-04-16 菲尼克斯电气公司 Socket for a solar panel with a protective circuit
DE202013005358U1 (en) * 2013-06-14 2014-09-15 SolarWorld Industries Thüringen GmbH Solar module and system of solar modules
KR20170013053A (en) * 2015-07-27 2017-02-06 엘지전자 주식회사 Solar cell module
CN208015683U (en) * 2018-04-13 2018-10-26 北京汉能光伏投资有限公司 Solar cell splicing apparatus and its component

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009131120A1 (en) * 2008-04-23 2009-10-29 シャープ株式会社 Power lines for solar power generation system, solar power generation system using the power lines, and method for inspecting malfunction of the solar power generation system
WO2012077556A1 (en) * 2010-12-07 2012-06-14 ソニーケミカル&インフォメーションデバイス株式会社 Solar cell output measuring device and measuring method
CN102270942A (en) * 2011-07-29 2011-12-07 江苏安科瑞电器制造有限公司 Modularized photovoltaic confluence collector
CN103733509A (en) * 2011-08-19 2014-04-16 菲尼克斯电气公司 Socket for a solar panel with a protective circuit
DE202013005358U1 (en) * 2013-06-14 2014-09-15 SolarWorld Industries Thüringen GmbH Solar module and system of solar modules
KR20170013053A (en) * 2015-07-27 2017-02-06 엘지전자 주식회사 Solar cell module
CN208015683U (en) * 2018-04-13 2018-10-26 北京汉能光伏投资有限公司 Solar cell splicing apparatus and its component

Similar Documents

Publication Publication Date Title
CN100527505C (en) Circuit connection control system of fuel cell and method of operating the same
US9667076B2 (en) Standby battery product and stackable charging system thereof
CN104617169A (en) Photovoltaic component
CN201247302Y (en) Apparatus for measuring polar of isonym end of current mutual inductor or transformer
CN208015683U (en) Solar cell splicing apparatus and its component
CN208904686U (en) Charging detecting circuit after electric discharge and over-discharge after a kind of over-charging of battery
CN104756281B (en) Battery pack and the method for controlling the charging of battery pack
CN203521441U (en) Photovoltaic module
KR20130053501A (en) Battery management system and battery pack protection apparatus including the same
JP2010200601A (en) Voltage-detection components and substrate having the same
CN209200023U (en) Battery modules and battery pack
CN206076978U (en) A kind of two grades of anti-overcharge protection boards of lithium battery
CN110380682A (en) Solar battery splicing apparatus and its component and connection status inspection method
CN208507877U (en) A kind of battery sharing manager
CN203503730U (en) Battery pack
CN102623661A (en) series-parallel connection power battery structure
CN206848449U (en) A kind of fuel cell monitoring system
CN208001263U (en) Bridging part, solar cell splicing apparatus
CN109065981A (en) A kind of battery sharing manager
CN208085500U (en) Integrated electrical printed circuit board system, complementary energy system, charging system and electrical cabinet
KR102117541B1 (en) Seawater battery comprising seawater battery cells
CN113345980A (en) Photovoltaic cell panel restorer
WO2019119743A1 (en) Detachable solar charging device
US10128666B2 (en) Battery module
Amin et al. Application Solar Cells On Helmes As A Handphone Battery Charger

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 101400 5 Fengxiang East Street, Yang Song Town, Huairou District, Beijing.

Applicant after: BEIJING HANERGY OPTOVOLTAIC TECHNOLOGY Co.,Ltd.

Address before: 101400 5 Fengxiang East Street, Yang Song Town, Huairou District, Beijing.

Applicant before: BEIJING HANERGY SOLAR POWER INVESTMENT Co.,Ltd.

CB02 Change of applicant information
TA01 Transfer of patent application right

Effective date of registration: 20210114

Address after: 101400 Yanqi Street, Yanqi Economic Development Zone, Huairou District, Beijing

Applicant after: Beijing Huihong Technology Co.,Ltd.

Address before: 101400 5 Fengxiang East Street, Yang Song Town, Huairou District, Beijing.

Applicant before: BEIJING HANERGY OPTOVOLTAIC TECHNOLOGY Co.,Ltd.

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20211026

Address after: No.31 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing

Applicant after: Dongjun new energy Co.,Ltd.

Address before: 101400 Yanqi Street, Yanqi Economic Development Zone, Huairou District, Beijing

Applicant before: Beijing Huihong Technology Co.,Ltd.

TA01 Transfer of patent application right