WO2017183067A1 - Corps de couvercle de protection isolant - Google Patents

Corps de couvercle de protection isolant Download PDF

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Publication number
WO2017183067A1
WO2017183067A1 PCT/JP2016/062199 JP2016062199W WO2017183067A1 WO 2017183067 A1 WO2017183067 A1 WO 2017183067A1 JP 2016062199 W JP2016062199 W JP 2016062199W WO 2017183067 A1 WO2017183067 A1 WO 2017183067A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductor
cover body
opening
protective cover
wall
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.)
Ceased
Application number
PCT/JP2016/062199
Other languages
English (en)
Japanese (ja)
Inventor
哲司 西川
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2016/062199 priority Critical patent/WO2017183067A1/fr
Publication of WO2017183067A1 publication Critical patent/WO2017183067A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards

Definitions

  • the present invention relates to an insulating protective cover body for protecting a conductor connecting portion of two conductors in a switchboard, for example.
  • the insulation protective cover that protects the conductor connection part of the two conductors is not attached to the conductor connection part, or a binding band or the like so that the insulation protection cover body itself does not fall off. A fixture is required.
  • a bus bar connecting portion between a bus bar and a bus bar is located at a communication port of a partition plate, and a hollow insulator is disposed so as to cover the bus bar connecting portion.
  • An insulation flange is provided in the center of the hollow insulator, a recess is provided in the partition plate, a spring is disposed between the insulation flange and the recess, and the insulation flange and the hollow insulator are connected to the busbar connection side against the drag of the spring. And the spring is compressed and accommodated in the recess, and the insulating flange hits and contacts the partition plate, so that the hollow insulator covers and protects the bus bar connecting portion. And an insulation flange is fixed to a partition plate with a rotary hook metal fitting.
  • the insulation protective cover body is comprised by the insulation flange, the hollow insulator, the spring, and the rotary hook metal fitting.
  • the bus bars are fixed to the side surfaces of the support terminals on the two insulators by bolts, and the bus bars are sandwiched from both sides.
  • the above-described conventional insulating protective cover body as disclosed in Patent Document 1 is such that a hollow insulator having an insulating flange at the center is inserted into the busbar connecting portion, and the insulating flange and the hollow insulator are busbared against the drag of the spring.
  • the insulation flange is fixed to the partition plate with a rotary hook metal fitting in a state where it is slid to the connection side and brought into contact with the partition plate.
  • a fixing tool such as a rotary hook for fixing the hollow insulator is required, and there is a problem that a great deal of labor is required for mounting the insulating protective cover body.
  • a work space for installing the fixture is required, and there is a problem that it is difficult to mount in a narrow place where work cannot be performed with both hands.
  • the above-described insulating protective cover body as in Patent Document 2 described above has a rectangular tube shape with a bus bar sandwiched from both sides by a pair of elastic synthetic resin covering bodies, and is formed on the outer periphery of both ends of the elastic synthetic resin covering bodies.
  • an elastic synthetic resin bundle having a C-shaped cross section is mounted, and the number of parts is increased, which requires much labor for mounting the insulating protective cover body.
  • a space for sandwiching the pair of elastic synthetic resin covers from both sides of the busbar is required, and a space for mounting the elastic synthetic resin bundles on the outer periphery of both ends of the elastic synthetic resin cover is required. There was a problem that there was.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an insulating protective cover body capable of improving workability and reducing the number of parts. .
  • An insulating protective cover body is an insulating protective cover body made of a flexible insulating material that covers and covers a connection portion between a first conductor and a second conductor, and the first conductor is inserted through the insulating protective cover body.
  • a first opening, a second opening through which the second conductor provided on the side facing the first opening is inserted, an upper side of the second opening, and the first conductor A first outer wall that is flexible when the connecting portion of the second conductor is inserted and returns to its original state after the connecting portion of the first conductor and the second conductor is inserted; and the second opening
  • the first conductor and the connecting portion between the first conductor and the second conductor are bent when the connecting portion between the first conductor and the first conductor and the second conductor is inserted, and the connecting portion between the first conductor and the first conductor and the second conductor is inserted.
  • a second outer wall having flexibility to return to the original state is provided.
  • the insulating protective cover body of the present invention is inserted with the first opening through which the first conductor is inserted and the second conductor provided on the side facing the first opening.
  • the second opening is bent when the connection portion between the first conductor and the second conductor is inserted on the upper side of the second opening, and after the connection portion between the first conductor and the second conductor is inserted,
  • the first outer wall having flexibility to return to the state, and the first conductor and the first conductor are bent when the first conductor and the connection portion between the first conductor and the second conductor are inserted in the lower portion of the second opening.
  • the second outer wall having flexibility to return to the original state can reduce the number of parts and improve workability. it can.
  • FIG. 5 is a cross-sectional view showing a state after the installation of the insulating protective cover body according to Embodiment 1 of the present invention is completed. It is a perspective view which shows the whole image of the state which mounted
  • FIG. 1 is a perspective view showing an overall image in a state where an insulating protective cover body according to Embodiment 1 of the present invention is mounted on a conductor connecting portion.
  • FIG. 2 is a sectional view showing a state before the insulation protective cover body according to Embodiment 1 of the present invention is mounted.
  • FIG. 3 is a cross-sectional view showing a state during the mounting operation of the insulating protective cover body according to Embodiment 1 of the present invention.
  • FIG. 4 is a cross-sectional view showing a state after the installation of the insulating protective cover body according to Embodiment 1 of the present invention is completed.
  • the connecting portion 3 between the first conductor 1 and the second conductor 2 is connected by a connecting bolt 4a and a connecting nut 4b, and the connecting portion 3 is covered with an insulating protective cover body 10. It is for insulation protection.
  • the insulating protective cover body 10 is formed of a material made of a flexible insulator such as vinyl chloride, for example, and the figure is formed in a box shape as an example.
  • the insulating protective cover body 10 includes, for example, a first opening 10a having a size matching the size of the first conductor 1 through which the first conductor 1 is inserted, and a second opening provided on the side facing the first opening 10a.
  • a second opening 10b having a size matched to the size of the second conductor 2 through which the conductor 2 is inserted, and a notch 10c formed on each side of the second opening 10b in a direction perpendicular to the second opening 10b, It is located on the upper side of the second opening 10b and bends when the connecting portion 3 between the first conductor 1 and the second conductor 2 is inserted, and after the connecting portion 3 between the first conductor 1 and the second conductor 2 is inserted,
  • the first outer wall 10d having flexibility to return to the state of FIG. 10 and the first conductor 1 and the connection portion 3 between the first conductor 1 and the second conductor 2 located at the lower side of the second opening 10b are bent.
  • first conductor 1 and the connection portion 3 between the first conductor 1 and the second conductor 2 are inserted, It shows a case constituted by a second outer wall 10e having flexibility back to state.
  • the first outer wall 10d and the second outer wall 10e are formed by providing notches 10c on both sides of the second opening 10b.
  • the insulating protective cover body 10 is formed in a box shape, and the insulating protective cover body 10 is attached to the connection portion 3 between the first conductor 1 and the second conductor 2 as shown in FIG.
  • the first conductor 1 is held in a state of penetrating the first opening 10 a of the insulating protective cover body 10, and the connection portion 3 between the first conductor 1 and the second conductor 2 is located in the insulating protective cover body 10 for insulation protection.
  • the 2nd conductor 2 is hold
  • the first conductor 1 first opens the first opening 10 a of the insulation protection cover body 10. It is arranged in a penetrating state. At this time, the flexible second outer wall 10e interferes with the first conductor 1, but since the second outer wall 10e is formed of a flexible insulating material, the base portion of the second outer wall 10e is used as the second outer wall 10e. It will be in the state which bent and deformed as a fulcrum.
  • the insulating protective cover body 10 is slid in the direction of the connecting portion 3 side of the first conductor 1 and the second conductor 2, and the connecting portion 3 of the first conductor 1 and the second conductor 2 is moved. cover.
  • the connecting bolt 4a and the connecting nut 4b for connecting the first conductor 1 and the second conductor 2 are projected, it becomes an obstacle and obstructs the sliding movement of the insulating protective cover body 10.
  • the first outer wall 10d and the second outer wall 10e which are formed of a flexible insulating material, are obstacles because the portions that interfere with the connecting bolt 4a and the connecting nut 4b are bent and deformed. Get over the connecting bolt 4a and the connecting nut 4b.
  • the return preventing protrusion 11a provided on the inner wall on the upper side of the insulating protective cover body 10 is also made of a flexible insulating material, it is bent and deformed.
  • the return preventing protrusion 11b provided on the lower inner wall of the insulating protective cover body 10 is also formed of a flexible insulating material, so that it bends and deforms. It will be in the state.
  • the return prevention protrusions 11a and 11b provided inside the insulation protection cover body 10 also return to the original state and are hooked on the connection bolt 4a, so that the insulation protection cover body 10 can be prevented from returning backward.
  • the insulating protective cover body 10 includes the first opening 10a, the second opening 10b, the first outer wall 10d, and the second outer wall 10e. It is constructed as a single unit, and it is a single component. It is not a complicated configuration as described above, it does not require a fixture, and the number of components can be reduced, reducing costs. In addition, man-hours can be reduced.
  • the insulating protective cover body 10 is slid to cover the entire connecting portion 3 of the first conductor 1 and the second conductor 2, a fixture for fixing the above-described conventional insulating protective cover body is provided. There is no need for installation work space, space for sandwiching the elastic synthetic resin covering that is an insulating protective cover body, and space for attaching the elastic synthetic resin binding body to the outer periphery of both ends of the elastic synthetic resin covering Thus, the entire work can be saved. Furthermore, since the insulating protective cover body 10 can be operated with one hand, it is also suitable for operations at places where it is difficult to reach.
  • FIG. 5 is a perspective view showing an overall image in a state in which an insulating protective cover body having a simple locking mechanism according to Embodiment 2 of the present invention is attached to a conductor connecting portion.
  • 6A and 6B are a side view and a front view showing a state before the operation of the simple lock mechanism of the insulating protective cover body according to Embodiment 2 of the present invention.
  • 7 is a side view and a front view showing a state after the operation of the simple lock mechanism of the insulating protective cover body according to Embodiment 2 of the present invention.
  • the flexible first outer wall 10d and the second outer wall 10e completely get over the connecting bolt 4a and the connecting nut 4b to the original state. It is only a return, and it is not the structure fixed so that the opening part 10b may not open again. In the second embodiment, the opening 10b is fixed so as not to open again.
  • the width of the second opening 10b1 communicating with the notch 10c on one side is shorter than the width of the first embodiment described above, and the second conductor 2 The width is also inserted through the second opening 10b1.
  • a second opening 10b2 communicating with the second opening 10b1 and the notch 10c on the other side is formed.
  • the simple lock mechanism 12 is provided on the second opening 10b2 side of the flexible first outer wall 10d1 and second outer wall 10e1.
  • the simple locking mechanism 12 is provided with a first protrusion 12a and a first recess 12c on a flexible first outer wall 10d1 on the upper side, and a second protrusion 12b and a second protrusion on a flexible second outer wall 10e1 on the lower side.
  • This is a structure provided with two recesses 12d.
  • the second protrusion 12b is fitted into the first recess 12c
  • the first protrusion 12a is fitted into the second recess 12d.
  • the first outer wall 10d1 and the second outer wall 10e1 having the above are arranged so as to be outside the insulating protective cover body 10. From this state, a downward force is applied to the first protrusion 12a, and an upward force is applied to the second protrusion 12b. At this time, the first projecting body 12a and the second projecting body 12b interfere with each other. However, since the insulating protective cover body 10 is made of a flexible material, they pass each other with deformation.
  • the first protrusion 12a fits into the second recess 12d
  • the second protrusion 12b fits into the first recess 12c, as shown in the side view of FIG. 7A and the front view of FIG. 7B. It becomes a state.
  • the openings 10b1 and 10b2 on the side having the flexible first outer wall 10d1 and second outer wall 10e1 of the insulating protective cover body 10 can be fixed so as not to open again.
  • the fixing work for the openings 10b1 and 10b2 does not require a separate fixture, so that the cost can be reduced by reducing the number of parts.
  • the work can be performed with only the fingertip of one hand, the work can be performed even in a narrow place.
  • the fixture is not a separate part, there is no risk that the member will fall off during operation.
  • FIG. 8 is a sectional view showing a state after the installation of the insulating protective cover body according to Embodiment 3 of the present invention is completed.
  • An insulating protective cover body 20 having a shape different from that of the insulating protective cover body 1 is attached to the connecting portion 3.
  • connection portion 3 of the first conductor 1 and the second conductor 2 that are the objects of insulation protection has a certain degree of restriction. If it meets, it can be used for general purposes. However, in order to obtain the versatility, a space where the flexible first outer walls 10d and 10d1 and the second outer walls 10e and 10e1 can be deformed and a space where the return preventing protrusions 11a and 11b are arranged in the vertical direction are required.
  • the insulating protective cover body 20 is shaped as closely as possible to the structure of the connecting portion 3 of the first conductor 1 and the second conductor 2.
  • the insulating protective cover body 20 is formed of a material made of a flexible insulator such as vinyl chloride.
  • the insulation protection cover body 20 is held in a state where the first conductor 1 penetrates the first opening 20a, similarly to the insulation protection cover body 10 in the first embodiment described above, and the first conductor 1 and the second conductor 2 are retained.
  • the connecting portion 3 between the first conductor 1 and the second conductor 2 is flexible. The whole can be covered and insulated.
  • the entire inner wall of the insulating protective cover body 20 is substantially in close contact with the connecting portion 3 of the first conductor 1 and the second conductor 2, the insulating protective cover body 20 can be prevented from returning.
  • the insulation protection cover body 20 in this Embodiment 3 it can arrange
  • the present invention is suitable for realizing an insulating protective cover body capable of reducing the number of parts and improving workability.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Bodies (AREA)

Abstract

La présente invention concerne un corps de couvercle de protection isolant avec lequel la taille d'un dispositif peut être réduite et les performances de dissipation de chaleur sont améliorées. Le corps de couvercle de protection isolant est constitué d'un isolant souple qui recouvre une partie de connexion d'un premier conducteur et d'un second conducteur par coulissement de la partie de connexion. Le corps de couvercle de protection isolant comporte : une première partie d'ouverture dans laquelle le premier conducteur est inséré ; une seconde partie d'ouverture qui est disposée sur le côté opposé à la première partie d'ouverture et dans laquelle le second conducteur est inséré ; une première paroi extérieure positionnée sur le côté supérieur de la seconde partie d'ouverture, se courbant lorsque la partie de connexion des premier et second conducteurs est insérée, et retournant élastiquement à un état d'origine après que la partie de connexion des premier et second conducteurs a été insérée ; et une seconde paroi extérieure positionnée sur le côté inférieur de la seconde partie d'ouverture, se courbant lorsque le premier conducteur et la partie de connexion des premier et second conducteurs sont insérés, et retournant élastiquement à un état d'origine après que le premier conducteur et la partie de connexion des premier et second conducteurs ont été insérés.
PCT/JP2016/062199 2016-04-18 2016-04-18 Corps de couvercle de protection isolant Ceased WO2017183067A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/062199 WO2017183067A1 (fr) 2016-04-18 2016-04-18 Corps de couvercle de protection isolant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/062199 WO2017183067A1 (fr) 2016-04-18 2016-04-18 Corps de couvercle de protection isolant

Publications (1)

Publication Number Publication Date
WO2017183067A1 true WO2017183067A1 (fr) 2017-10-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/062199 Ceased WO2017183067A1 (fr) 2016-04-18 2016-04-18 Corps de couvercle de protection isolant

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WO (1) WO2017183067A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3940906A4 (fr) * 2019-03-12 2022-03-23 Mitsubishi Electric Corporation Corps de couvercle protecteur isolant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03130155U (fr) * 1990-04-09 1991-12-26
JPH09147648A (ja) * 1995-11-20 1997-06-06 Sumitomo Wiring Syst Ltd 端子用キャップ
JP2008022629A (ja) * 2006-07-12 2008-01-31 Chugoku Electric Power Co Inc:The 電線補強具、電線の補強構造、及び電線の補強方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03130155U (fr) * 1990-04-09 1991-12-26
JPH09147648A (ja) * 1995-11-20 1997-06-06 Sumitomo Wiring Syst Ltd 端子用キャップ
JP2008022629A (ja) * 2006-07-12 2008-01-31 Chugoku Electric Power Co Inc:The 電線補強具、電線の補強構造、及び電線の補強方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3940906A4 (fr) * 2019-03-12 2022-03-23 Mitsubishi Electric Corporation Corps de couvercle protecteur isolant

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