CN115210978B - Cable connector - Google Patents
Cable connector Download PDFInfo
- Publication number
- CN115210978B CN115210978B CN202180017963.0A CN202180017963A CN115210978B CN 115210978 B CN115210978 B CN 115210978B CN 202180017963 A CN202180017963 A CN 202180017963A CN 115210978 B CN115210978 B CN 115210978B
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- CN
- China
- Prior art keywords
- cable
- insulating
- connector
- container
- cable connector
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
-
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention provides a cable connector that is not easily reconnected in the event of an unexpected cable disconnection. A cable connector (1) according to one aspect of the present invention comprises: a connection member (23) to which the power cable (C1) is electrically connected; a housing (H (10, 12, 21, 22)) that holds the connection member (23); and an insulation mechanism (M (13, 24)) for insulating the cable (C1) from the connection member (23) when the cable (C1) is separated from the connection member (23) due to tension acting on the cable (C1).
Description
Technical Field
The present invention relates to cable connectors.
Background
A general solar cell module comprises: a main body sealing the plurality of solar cells; and a cable extending from the main body and connected to an external circuit for voltage adjustment, dc-ac conversion, or the like. Such cables are typically connected to external circuits through cable connectors such as connectors and terminal boxes. Such a cable connector is expected to be able to reliably make electrical connection. For this reason, for example, as described in patent document 1, a large number of techniques for improving connectivity of a cable connector have been proposed.
Patent document 1: japanese patent application laid-open No. 2012-124034
For example, when a connection between a cable of a solar cell module and an external circuit is accidentally disconnected due to some reasons, such as when an accident occurs in a vehicle mounted with the solar cell module, there is a concern that a problem such as a short circuit or grounding may occur on the external circuit side. In such a situation, if the cable of the solar cell module is reconnected accidentally, there is a concern that current suddenly flows, causing a secondary disaster such as an electric shock or an electricity fire.
Disclosure of Invention
Accordingly, an object of the present invention is to provide a cable connector which is not easily connected when unexpected cable separation occurs.
A cable connector according to an aspect of the present invention includes: a connection member electrically connected to the cable; a housing for holding the connection member; and an insulating mechanism for insulating the cable from the connecting member when the cable is separated from the connecting member due to tension acting on the cable.
In the cable connector according to an aspect of the present invention, the insulating mechanism may include: an insulator container held by the case and containing an insulator having fluidity; and a breaking member fixed to the cable, wherein the insulating agent container is broken to flow out the insulating agent when the cable is separated from the connecting member.
In the cable connector according to one aspect of the present invention, the case may have a passage groove through which at least a part of the breaking member passes when the cable is connected to the connecting member, and the passage groove may have a lateral groove portion extending in a direction different from an extending direction of the cable, and the breaking member may be guided to a front end side of the insulating container in the extending direction of the cable by bypassing the insulating container.
In the cable connector according to one aspect of the present invention, the passage groove may have a distal groove portion extending in the cable extending direction on a distal side of the insulating container in the cable extending direction.
In the cable connector according to the above aspect, the case may have a cover portion that can be opened and closed for holding the insulating agent container.
In the cable connector according to one aspect of the present invention, the insulating mechanism may include an elastic member having a slit formed therein and elastically deformed to form an opening into which the cable is inserted.
According to the present invention, it is possible to provide a cable connector which is not easily reconnected in the event of unexpected cable disconnection.
Drawings
Fig. 1 is a perspective view showing a cable connector according to a first embodiment of the present invention.
Fig. 2 is a cross-sectional view of the cable connector of fig. 1.
Fig. 3 is a cross-sectional view showing a cable connector according to a second embodiment of the present invention.
Fig. 4 is a perspective view showing a cable connector according to a third embodiment of the present invention.
Fig. 5 is a cross-sectional view of the cable connector of fig. 4.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, for convenience, hatching, component reference numerals, and the like may be omitted, but in this case, reference is made to other drawings. In addition, the dimensions of the various components in the figures are adjusted for ease of viewing for convenience. In the following description, the same components as those in the embodiment described above are denoted by the same reference numerals, and overlapping description may be omitted.
< first embodiment >, first embodiment
Fig. 1 is a perspective view of a cable connector 1 according to a first embodiment of the present invention. Fig. 2 is a cross-sectional view of the cable connector 1 of fig. 1.
The cable connector 1 of the present embodiment is a connector for connecting a first cable C1 and a second cable C2 concentrically. The cable connector 1 includes: a male-side connector 10 mounted on an end of the first cable C1; and a female-side connector 20 attached to an end of the second cable C2 and connected to the male-side connector 10.
The first cable C1 and the second cable C2 may each have: a core wire Cw and an insulating coating layer Ci coating the core wire Cw. The first cable C1 and the second cable C2 are connected to the male connector 10 or the female connector 20 in a state where the insulating coating Ci at the end is removed and the core wire Cw is exposed.
The male-side connector 10 has: a male-side fixing portion 11 attached to the outer periphery of the distal end portion of the insulating coating layer Ci of the first cable C1; a protection tube 12 extending from the male side fixing portion 11 and covering the outer side of the portion where the core wire Cw of the first cable C1 is exposed with a space therebetween; and a breaking member 13 protruding from the outer peripheral surface of the front end of the protection tube 12.
The female-side connector 20 has: a female-side fixing portion 21 attached to the outer periphery of the front end portion of the insulating coating layer Ci of the second cable C2; an outer tube 22 extending from the female-side fixing portion 21, covering the outer side of the portion where the core wire Cw of the second cable C2 is exposed with a space therebetween, and fitted to the outer periphery of the protective tube 12 of the male-side connector 10; the connection member 23 is held by the female-side fixing portion 21, is fitted to the outside of the portion where the core wire Cw of the second cable C2 is exposed, and is capable of inserting the core wire of the first cable C1 by protruding further from the core wire Cw; and an insulator container 24 held by the outer tube 22 and containing an insulator having fluidity.
The outer tube 22 has a passage groove 25 on its inner peripheral surface that receives the breaking member 13 of the male-side connector 10. The passage groove 25 has: a receiving groove 251 having one end open at a front end edge of the outer tube 22 (an end edge of the base end side of the first cable C1) and extending in an extending direction of the front end portion of the first cable C1; the horizontal groove 252 extends from the other end of the receiving groove 251 in a direction different from the extending direction of the first cable C1, for example, in the circumferential direction of the outer tube 22 (a direction orthogonal to the extending direction of the first cable C1) as shown in the figure; a front end groove 253 extending from the front end of the traverse groove 252 toward the front end side in the extending direction of the first cable C1; and an emergency groove 254 extending from the front end of the traverse groove 252 toward the base end side of the first cable C1 and terminated by the insulator container 24.
The connection member 23 is electrically connected to the core wire Cw of the second cable C2, and electrically connects the core wire Cw of the first cable C1 when the male connector 10 is connected to the female connector 20. Therefore, the connection member 23 is formed of a conductive material such as copper.
The insulator container 24 is formed to be breakable by the breaking member 13. Specifically, the portion of the insulator container 24 where the breaking member 13 can be abutted is formed to be thin, and the insulator container 24 as a whole is formed using a material having relatively low strength. Conversely, the breaking member 13 has sufficient strength to be able to break the insulator container 24. Therefore, the breaking member 13 may be formed of a material different from that of the protection tube 12. In addition, the breaking member 13 may also have sharp edges so as to easily break the insulation container 24.
When the core wire Cw of the first cable C1 is separated from the connection member 23 due to tension acting on the first cable C1, the insulator container 24 is broken by the breaking member 13 that is brought into contact by the emergency groove 254, and the stored insulator flows out. The insulating agent leaked from the insulating agent container 24 covers the connection member 23, preventing the core wire Cw of the first cable C1 from coming into contact with the connection member 23 again. That is, the insulator container 24 and the breaking member 13 constitute an insulating mechanism M that insulates the first cable C1 from the connecting member 23 when the core wire Cw is separated from the connecting member 23 by a large external force acting on the first cable C1 such as pulling out the first cable C1 from the cable connector 1.
In a state where the male connector 10 and the female connector 20 are connected, the male fixing portion 11, the protection tube 12, the female fixing portion 21, and the outer tube 22 house an exposed portion of the core wire Cw of the first cable C1, an exposed portion of the core wire of the second cable C2, and a connection member 23 connecting the core wire Cw of the first cable C1 and the core wire Cw of the second cable C2, to form a case H insulated from the outside. Therefore, the male-side fixing portion 11, the protection tube 12, the female-side fixing portion 21, and the outer tube 22 are preferably formed of an insulating material such as a resin.
At least a portion of the breaking member 13 is inserted into the passing groove 25 and the breaking member 13 is moved along the passing groove 25 in such a manner that at least a portion of the breaking member 13 passes through the passing groove 25 when the male side connector 10 is connected with the female side connector 20. Thereby, the breaking member 13 bypasses the insulator container 24 to reach the front end side of the insulator container 24 in the extending direction of the first cable C1. That is, when the male connector 10 is connected to the female connector 20, the breaking member 13 is guided by the groove 25 to prevent contact with the insulator container 24, thereby preventing accidental breakage of the insulator container 24.
The groove 25 has the distal end groove portion 253, so that the core wire Cw of the first cable C1 can be inserted straight without being rotated relative to the connection member 23 in the final stage of connection of the male connector 10 and the female connector 20. This can prevent the core wire Cw of the first cable C1 from being twisted unnecessarily.
As described above, when the first cable C1 is accidentally separated from the connection member 23, the cable connector 1 according to the present embodiment causes the insulating agent to flow out from the insulating agent container 24, so that the first cable C1 is not easily reconnected to the second cable C2, and electric shock and electric fire can be prevented.
In addition, when the unexpected separation of the first cable C1 from the connection member 23 occurs, the cable connector 1 covers the connection member 23 with the insulating agent leaked from the insulating agent container 24, so that it is possible to prevent, for example, a short circuit, an electric leakage, or the like, which may be caused by water or the like entering from the opening where the first cable C1 is detached, and to prevent, for example, a user from attempting to restore the device to forcibly connect the first cable C1 or other wiring to the connection member 23, thereby improving safety.
< second embodiment >
Fig. 3 is a cross-sectional view of a cable connector 1A according to a second embodiment of the present invention. The cable connector 1A of the present embodiment is a terminal box.
The cable connector 1A includes: a box-shaped housing 30; a terminal block 40 disposed inside the housing 30 and connected to the cable C; and an insulating mechanism 50 for insulating the cable C from the terminal block 40 when the cable C is pulled out from the housing 30.
The housing 30 has: a box-shaped main body 31 having one surface opened; and a lid 32 for sealing the opening of the body 31. The cover 32 may be detachable from the main body 31, or may be connected to the main body 31 by a hinge or the like so as to be openable and closable.
The terminal block 40 may be configured to include: a base portion 41 fixed to the main body portion 31 of the housing 30; a connection member 42 having a plate-like portion 421 to which the core wire Cw of the cable C is electrically connected; a pressing plate 43 disposed so as to face the connection member 42 and sandwiching the core wire Cw of the cable C between the pressing plate and the connection member 42; and a screw 44 for pressing the pressing plate 43 against the connecting member 42. Although not shown, the connection member 42 is connected to, for example, an output wiring of the solar cell module.
The insulating mechanism 50 has: a breaking member 51 mounted on the cable C; and an insulator container 52 held by the cover 32 and containing an insulator having fluidity. The insulating mechanism 50 may further include a holding member 53, and the holding member 53 may be disposed for the cable C and may include a groove 531 for holding the insulating material leaked from the insulating material container 52 in a space in which the cable C can be disposed.
The breaking member 51 can be fixed to the outer periphery of the insulating coating Ci of the cable C by, for example, caulking or fastening tape. The breaking member 51 may be fixed to the core wire Cw of the cable C.
In the cable connector 1A, when the cable C is connected to the terminal block 40 with the cover 32 opened, the main body 31 is sealed with the cover 32 holding the insulator container 52, so that the housing 30 is in a sealed state, and the insulator container 52 is placed at a position where the damage member 51 is broken when the cable C is pulled out. Thus, when the cable C is separated from the connection member 42, the insulation agent leaked from the insulation agent container 52 can suppress accidental reconnection of the cable C to the connection member 42.
< third embodiment >
Fig. 4 is a perspective view of a cable connector 1B according to a third embodiment of the present invention. Fig. 5 is a cross-sectional view of the cable connector 1B of fig. 4. The cable connector 1B of the present embodiment is a terminal box.
The cable connector 1B includes: a box-shaped housing 30; a terminal block 40 disposed inside the housing 30 and connected to the cable C; and an insulating mechanism 60 for insulating the cable C from the terminal block 40 when the cable C is pulled out from the housing 30.
The insulating mechanism 60 in the present embodiment has an elastic member 61 disposed inside the opening of the housing 30 into which the cable C is inserted. The elastic member 61 is formed with a slit 611, and expands the slit 611 by elastic deformation to form an opening into which the cable C can be inserted. The elastic member 61 is preferably deformable so as to be able to compress the volume, and can be formed of, for example, sponge-like rubber or the like.
In the cable connector 1B, when the cable C is pulled out from the housing 30, the elastic member 61 is restored to close the opening into which the cable C was inserted, so that the cable C is not easily reconnected to the connection member 42.
The embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments and various modifications and variations are possible.
The guide groove may not have an emergency groove portion, and a part of the side wall of the lateral groove portion on the cable base end side may be formed of an insulating agent container. The guide groove may not have a distal end groove portion. The lateral groove portion may extend in a spiral shape around the central axis of the cable, or may be curved so as to change the inclination angle with respect to the extending direction of the cable.
Description of the reference numerals
1. 1A, 1B … cable connectors; 10 … male side connector; 11 … male side fixing portion; 12 … protective cylinder; 13 … destroy components; 20 … female side connector; 21 … female side fixing portion; 22 … outer cylinder; 23 … connection means; 24 … insulator container; 25 … through the slot; 251 … receiving slot portions; 252 … transverse grooves; 253 … front end groove portion; 254 … emergency slot section; 30 … shell; 31 … body portion; 32 … cover; 40 … terminal block; 41 … base part; 421 and … plate-like portions; 42 … connection; 43 … platen; 44 … screw; 50 … insulation mechanism; 51 … break-away component; 52 … insulator container; 53 … holding member; 531 … grooves; 60 … insulation mechanism; 61 … elastic member; 611 … slit; c … cable; c1 … first cable; c2 … second cable; ci … insulating coating; a Cw … core wire; h … casing; m … insulation mechanism.
Claims (5)
1. A cable connector, comprising:
a connection member electrically connected to the cable;
a housing holding the connection member; and
an insulating mechanism for insulating the cable from the connecting member when the cable is separated from the connecting member due to tension acting on the cable,
the insulating mechanism has:
an insulator container held by the case and containing an insulator having fluidity; and
and a breaking member fixed to the cable, wherein the insulating agent container is broken to flow out the insulating agent when the cable is separated from the connecting member.
2. The cable connector according to claim 1, wherein,
the housing has a passage groove for passing at least a portion of the breaking member when the cable is connected at the connecting member,
the passage groove has a lateral groove portion extending in a direction different from an extending direction of the cable, and is formed so as to bypass the insulating agent container to guide the breaking member to a front end side of the insulating agent container in the extending direction of the cable.
3. The cable connector according to claim 2, wherein,
the passage groove has a front end groove portion extending in the extending direction of the cable on a front end side of the extending direction of the cable of the insulator container.
4. The cable connector according to claim 1, wherein,
the case has an openable and closable lid portion that holds the insulator container.
5. The cable connector according to claim 1, wherein,
the insulating mechanism has an elastic member formed with a slit and formed with an opening through which the cable can be inserted by elastic deformation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020-055840 | 2020-03-26 | ||
| JP2020055840 | 2020-03-26 | ||
| PCT/JP2021/012273 WO2021193729A1 (en) | 2020-03-26 | 2021-03-24 | Cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115210978A CN115210978A (en) | 2022-10-18 |
| CN115210978B true CN115210978B (en) | 2024-04-05 |
Family
ID=77890460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180017963.0A Active CN115210978B (en) | 2020-03-26 | 2021-03-24 | Cable connector |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2021193729A1 (en) |
| CN (1) | CN115210978B (en) |
| WO (1) | WO2021193729A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009078070A1 (en) * | 2007-12-14 | 2009-06-25 | Fibertech Co., Ltd. | Nonreusable assembly |
| CN101989683A (en) * | 2009-07-31 | 2011-03-23 | Abb有限责任公司 | Cable system |
| CN110729601A (en) * | 2019-10-31 | 2020-01-24 | 费勉仪器科技(南京)有限公司 | Electric feed-through protective sleeve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4293887B2 (en) * | 2003-11-19 | 2009-07-08 | イリソ電子工業株式会社 | connector |
| JP5274316B2 (en) * | 2009-03-16 | 2013-08-28 | Ｎｅｃパーソナルコンピュータ株式会社 | Power connector and portable electronic device |
| JP2017168187A (en) * | 2016-03-14 | 2017-09-21 | 株式会社オートネットワーク技術研究所 | Male side connector, female side connector, and connection device |
-
2021
- 2021-03-24 CN CN202180017963.0A patent/CN115210978B/en active Active
- 2021-03-24 JP JP2022510603A patent/JPWO2021193729A1/ja active Pending
- 2021-03-24 WO PCT/JP2021/012273 patent/WO2021193729A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009078070A1 (en) * | 2007-12-14 | 2009-06-25 | Fibertech Co., Ltd. | Nonreusable assembly |
| CN101989683A (en) * | 2009-07-31 | 2011-03-23 | Abb有限责任公司 | Cable system |
| CN110729601A (en) * | 2019-10-31 | 2020-01-24 | 费勉仪器科技(南京)有限公司 | Electric feed-through protective sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2021193729A1 (en) | 2021-09-30 |
| WO2021193729A1 (en) | 2021-09-30 |
| CN115210978A (en) | 2022-10-18 |
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