WO2012033123A1 - Ensemble connecteur - Google Patents

Ensemble connecteur Download PDF

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Publication number
WO2012033123A1
WO2012033123A1 PCT/JP2011/070355 JP2011070355W WO2012033123A1 WO 2012033123 A1 WO2012033123 A1 WO 2012033123A1 JP 2011070355 W JP2011070355 W JP 2011070355W WO 2012033123 A1 WO2012033123 A1 WO 2012033123A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal box
housing
cable
plug
connector
Prior art date
Application number
PCT/JP2011/070355
Other languages
English (en)
Japanese (ja)
Inventor
達也 三浦
堀中　大
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2012033123A1 publication Critical patent/WO2012033123A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • This invention relates to the connector used in order to electrically connect a solar cell module etc. with another apparatus.
  • the solar cell is used as a solar cell module in which a plurality of solar cells are electrically connected to increase output power.
  • a plurality of solar cell modules are electrically connected and the generated power is often used. Therefore, a cable and a terminal box for connecting the solar cell module are necessary.
  • Patent Document 1 discloses a terminal box used on the back surface of a solar cell module and a cable connected to the connector.
  • Patent Document 2 discloses a solar cell module connector that prevents intrusion of rainwater, dust, and the like.
  • Patent Document 1 and the invention described in Patent Document 2 both have to connect cables to the terminal box one by one at the installation site of the solar cell, which causes an increase in work processes.
  • the solar cell installation site is a dangerous place such as a roof
  • an increase in the work process may cause an accident.
  • labor costs increase due to an increase in work processes, it is necessary to reduce the work processes.
  • the present invention has been made in view of the above-described conventional situation, and an object of the present invention is to provide a connector assembly that can reduce the number of work steps because the number of cable connections is reduced in a solar cell installation site or the like.
  • the present invention provides a terminal box including a housing main body having a terminal box fitting portion, and the housing that fits the housing portion and the terminal box fitting portion of the terminal box.
  • a plug connector including a plug fitting portion, wherein the housing portion includes a cable housing to which a plurality of cables can be connected.
  • the present invention also relates to a plug connector connected to a terminal box, which is fitted to a housing portion and a terminal box fitting portion of a housing body of the terminal box, and is fitted to the housing portion.
  • a plug connector including a cable housing to which a plurality of cables can be connected.
  • FIG. 2 is a schematic view of the connector assembly 10 of FIG. 1 in a state where a plus cable 20 and a minus cable 22 are connected. It is the schematic which shows the state in which the several solar cell module connector was connected.
  • FIG. 3 is a plan view showing a state where the plug connector 12 and the terminal box 14 are fitted in the connector assembly 10. It is the schematic which showed the connector assembly 40 for solar cell modules which is one Embodiment which concerns on this invention.
  • FIG. 6 is a plan view of the connector assembly 40 in a state where the plug connector 42 and the terminal box 44 are fitted.
  • FIG. 6 is a cross-sectional view of the embodiment shown in FIG. FIG.
  • FIG. 6 is a side view of the embodiment shown in FIG. 5.
  • 4 is a cross-sectional view of the connector assembly 40 when a rod 56 is inserted into the opening 52.
  • FIG. 3 is an enlarged cross-sectional view of the lock piece insertion hole 50 showing a repulsive force 60. It is an expanded sectional view of lock piece insertion hole 50 showing force 62 by reaction.
  • 4 is a plan view of an embodiment in which an upper surface side of a side surface of an opening 52 is also opened.
  • FIG. 1 is a schematic view showing a solar cell module connector assembly 10 according to an embodiment of the present invention.
  • the connector assembly 10 includes a plug connector 12 and a terminal box 14.
  • the plug connector 12 is detachable from the terminal box 14.
  • the plug connector 12 includes a plus cable housing 11 that can be connected to a plus cable 20 that is a first cable, and a minus cable housing 13 that can be connected to a minus cable 22 that is a second cable.
  • FIG. 2 shows a schematic diagram of a connector to which the plus cable 20 and the minus cable 22 are connected.
  • the plug connector 12 includes a housing (part) 16 having cable housings 11 and 13 and a plug fitting part 18 protruding from the housing 16.
  • the material of the housing 16 and the plug fitting portion 18 is an insulating resin or plastic.
  • the plus cable 20 and the minus cable 22 are configured such that a covering portion 24 made of vinyl or the like for insulation covers the conductor (conductive portion) 26.
  • the conductive portion 26 is connected to a plug terminal (not shown) in the plug fitting portion 18.
  • the number of the plus cable housing 11 and the number of the minus cable housings 13 is one, but either one or both of the housings may be configured.
  • the number of cables to be connected is three or more.
  • a waterproof packing 34 may be provided on the base end side (housing 16 side) of the fitting portion 18 over the entire circumference.
  • the waterproof packing 34 is in pressure contact with the inlet inner surface 15 of the fitting portion (terminal box fitting portion 32) of the terminal box 14 in a fitted state with the terminal box 14, and liquid such as rainwater flows into the terminal box 14. Can be prevented.
  • the same end as the plug connector 12 may be connected to the opposite end of the plus cable 20 and the minus cable 22 with respect to the plug connector 12, or another connector (for example, a relay connector) may be connected. May be.
  • one end of the cable 20 (22) is connected to the plus cable housing 11 of the plug connector 12, and the opposite end is connected to the minus cable housing 13 of another plug connector 12.
  • the same connection may be repeated to connect the plurality of plug connectors 12 via cables.
  • the terminal box 14 includes a housing body 28 and a lid 30.
  • the housing body 28 has a terminal box fitting portion 32 into which the plug fitting portion 18 of the plug connector 12 is inserted and fitted. Inside the terminal box fitting portion 32, for example, there is a terminal box terminal (not shown) that is electrically connected to the output of the solar cell.
  • the terminal box fitting portion 32 is provided with a protruding portion 36 that protrudes toward the opening side, and enters between the individual plug fitting portions 18a and 18b when fitting with the plug connector 12. You may make it prevent the incorrect fitting of the said plug connector 12.
  • FIG. 1 the protruding portion 36 is made asymmetric in the vertical direction so that the front and back of the connector plug 12 can be reversed so that they cannot be fitted, thereby preventing erroneous fitting. Further, by making the protruding portion 36 in another shape such as left-right asymmetry, erroneous fitting can be prevented.
  • FIG. 4 is a plan view showing a state in which the plug connector 12 fitted with the plus cable 20 and the minus cable 22 is fitted into the terminal box 14.
  • the plug connector 12 and the terminal box 14 are connected by fitting the plug fitting portion 18 to the terminal box fitting portion 32.
  • the terminal box fitting portion 32 is a concave shape and the plug fitting portion 18 is a convex shape, but may be reversed or fitted. Other possible shapes are possible.
  • the plug terminal inside the plug fitting portion 18 is electrically connected to the terminal box terminal inside the terminal box fitting portion 32;
  • the output of the solar cell module can be taken out via the plus cable 20 and the minus cable 22.
  • both the plus cable 20 and the minus cable 22 are connected to the housing 16
  • both the plus cable 20 and the minus cable 22 that is, the plus cable 20 and the minus cable 22 are connected in one operation step of fitting the plug connector 12 to the terminal box 14).
  • Multiple cables can be connected to the terminal box 14.
  • FIG. 5 is a schematic view showing a solar cell module connector assembly 40 according to another embodiment of the present invention.
  • the connector assembly 40 includes a plug connector 42 and a terminal box 44.
  • FIG. 6 is a plan view showing a state in which the plug connector 42 and the terminal box 44 are fitted.
  • FIG. 7 shows a cross-sectional view of the embodiment shown in FIG. The cross section of FIG. 7 is the cross section shown by the AA line of FIG. 8, which is a side view of the embodiment shown in FIG.
  • the plug connector 42 is located laterally from the housing 16 (in the left-right direction in FIG. 6, the arrangement direction of the individual fitting portions 18 a and 18 b), in addition to the components included in the plug connector 12.
  • a flange portion 41 protruding from the center is provided.
  • the flange portion 41 is provided with a pair of lock pieces 46 extending in the fitting direction and sandwiching the plug fitting portion 18.
  • a lock claw 48 protruding in a direction orthogonal to the fitting direction (left and right direction in FIG. 6) is attached to the tip of the lock piece 46, and can be elastically displaced in the left and right direction in FIG.
  • the terminal box 44 includes a lock piece insertion hole 50 extending in the fitting direction in addition to the components included in the terminal box 14 described above.
  • the lock piece insertion hole 50 has an opening 52 on the side surface of the insertion hole.
  • the lock piece insertion hole 50 and the opening 52 communicate with each other, and are constituted by an outer wall 45a and an outer wall 45b.
  • the lock piece insertion hole 50 and the lock piece 46 are fitted.
  • the opening 52 is fitted to the lock claw 48 and exposed to the outside, and the end surface 28 a of the housing body 28 abuts on the end surface 41 a of the flange portion 41.
  • the partition wall 43 that partitions the lock piece insertion hole 50 and the terminal box fitting portion 32 enters between the lock piece 46 and the fitting portion 18, and presses the waterproof packing 34, so that the fitting portion 18, 32 is waterproof.
  • the flange portion 41 has substantially the same size as the width direction of the housing main body 28 so as not to protrude sideways in the fitted state with the terminal box 44.
  • the plug connector 42 and the terminal box 44 are not detached simply by applying a force to the plug connector 42 in the outlet direction 47 of the lock piece insertion hole 50.
  • a force in the bottom direction 53 of the opening 52 is applied to the lock claw 48 so that the lock claw 48 is removed from the opening 52, and the plug connector 42 and the terminal box 44 are applied to the lock claw 48 in a state where the lock claw 48 is removed from the opening 52.
  • the plug connector 42 and the terminal box 44 can be removed.
  • the lock piece 46 and the lock piece insertion hole 50 are attached to one side surface of the housing 16 and the housing main body 28 and the side surface opposite to the side surface, respectively. Good.
  • the opening 52 side of the distal end portion 54 of the lock piece 46 may have a curved surface shape.
  • FIG. 7 by making the opening side of the distal end portion 54 of the lock piece 46 into a curved surface shape, for example, using a rod 56 having a flat distal end such as a flathead screwdriver, for example, the following According to the procedure, a force in the bottom direction 53 of the opening 52 can be applied to the lock claw 48.
  • the rod 56 is inserted between the distal end portion 54 of the lock piece 46 and the side surface 52 a of the opening 52 so that the flat surface of the rod 56 is aligned with the distal end portion 54.
  • the rod 56 is tilted in the outlet direction 55 of the lock piece insertion hole 50 so that the rod does not come off the opening 52 from the insertion direction.
  • a force can be applied to the lock claw 48 in the bottom direction 53 of the opening 52, and the lock claw 48 can be removed from the opening 52. it can.
  • the side surface on the opening side of the lock piece insertion hole 50 may have a taper 58 so that the hole extends toward the outlet direction 55.
  • the lock claw 48 is removed from the opening 52, the lock piece 46 is in the bottom side direction 53, and a repulsive force 60 is generated due to the elasticity of the material.
  • the taper 58 receives a repulsive force 60 from the contact portion with the lock claw 48.
  • the force 62 due to the reaction of the repulsive force 60 received by the lock claw 48 generates a partial pressure 64 in the direction of the entrance / exit of the lock piece insertion hole 50. Have. The operator can extract the lock piece 46 from the lock piece insertion hole 50 using the partial pressure 64.
  • the lock claw 48 does not contact the taper 58 unless a force for moving the lock claw 48 in the exit direction 55 is applied to the lock piece 46 when the lock claw 48 is removed from the opening 52.
  • the force for moving in the exit direction 55 may be small. It can be obtained by a frictional force, a force from the rod 56, or the like.
  • the opening 52 (that is, between the outer wall 45a and the outer wall 45b) may be of a size that does not allow human fingers to enter. With such a size, it is possible to prevent the operator from accidentally removing the lock claw 48 from the opening 52 and removing the plug connector 42 from the terminal box 44.
  • the upper surface side of the side surface of the opening 52 may also be opened. That is, the side surface of the opening 52 in the direction perpendicular to the insertion direction (exit direction 55) and the opening direction (bottom side direction 53) of the lock piece insertion hole 50 may be open. With this configuration, it is easy for the operator to visually confirm whether or not the lock claw 48 is fitted in the opening 52.

Landscapes

  • Photovoltaic Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

La présente invention porte sur un connecteur, qui réduit le nombre de fois où des connexions sont effectuées avec un câble. Le connecteur comprend : une boîte à bornes qui comporte un corps de boîtier ayant une partie d'adaptation de boîte à bornes ; et un connecteur enfichable qui comprend une partie boîtier et une partie d'adaptation de prise qui est attachée à un boîtier et qui s'adapte avec la partie d'adaptation de boîte à bornes de la boîte à bornes. La partie boîtier comprend un boîtier de câble sur lequel peuvent être connectés de multiples câbles.
PCT/JP2011/070355 2010-09-07 2011-09-07 Ensemble connecteur WO2012033123A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010199757A JP2012059813A (ja) 2010-09-07 2010-09-07 コネクタ組立体
JP2010-199757 2010-09-07

Publications (1)

Publication Number Publication Date
WO2012033123A1 true WO2012033123A1 (fr) 2012-03-15

Family

ID=45810720

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/070355 WO2012033123A1 (fr) 2010-09-07 2011-09-07 Ensemble connecteur

Country Status (2)

Country Link
JP (1) JP2012059813A (fr)
WO (1) WO2012033123A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017118267A1 (de) 2017-08-10 2019-02-14 Hanwha Q Cells Gmbh Anschlussdose für ein Photovoltaikmodul

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002009326A (ja) * 2000-06-26 2002-01-11 Kanegafuchi Chem Ind Co Ltd 二極防水コネクタ及びこれを用いた太陽電池モジュールの配線構造
JP2006114620A (ja) * 2004-10-13 2006-04-27 Yukita Electric Wire Co Ltd 太陽電池モジュール用端子ボックス

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002009326A (ja) * 2000-06-26 2002-01-11 Kanegafuchi Chem Ind Co Ltd 二極防水コネクタ及びこれを用いた太陽電池モジュールの配線構造
JP2006114620A (ja) * 2004-10-13 2006-04-27 Yukita Electric Wire Co Ltd 太陽電池モジュール用端子ボックス

Also Published As

Publication number Publication date
JP2012059813A (ja) 2012-03-22

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