JP5052202B2 - Terminal equipment - Google Patents

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Publication number
JP5052202B2
JP5052202B2 JP2007125118A JP2007125118A JP5052202B2 JP 5052202 B2 JP5052202 B2 JP 5052202B2 JP 2007125118 A JP2007125118 A JP 2007125118A JP 2007125118 A JP2007125118 A JP 2007125118A JP 5052202 B2 JP5052202 B2 JP 5052202B2
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terminal block
protective cover
cover
storage space
terminal
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JP2008282642A (en
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忠司 前田
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Mitsubishi Electric Corp
Mitsubishi Electric Lighting Corp
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Mitsubishi Electric Corp
Mitsubishi Electric Lighting Corp
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この発明は、保護カバーを有する端子台を備えた端子装置に関する。   The present invention relates to a terminal device including a terminal block having a protective cover.

制御盤等で使用される端子装置の多くは、商用ＡＣ（Ａｌｔｅｒｎａｔｉｎｇ Ｃｕｒｒｅｎｔ）電源用端子台（ネジ端子タイプ）や信号用ＤＣ（Ｄｉｒｅｃｔ Ｃｕｒｒｅｎｔ）端子台（ネジ端子タイプ）等を備える。端子台を備えた端子装置では、配線の変更や、機器（端子装置）自体の交換などが頻繁に発生し、端子台の配線の変更も頻繁に発生する。   Many terminal devices used in control panels and the like include a commercial AC (Alternating Current) power supply terminal block (screw terminal type), a signal DC (Direct Current) terminal block (screw terminal type), and the like. In a terminal device equipped with a terminal block, changes in wiring, replacement of equipment (terminal device) itself, and the like frequently occur, and changes in wiring of the terminal block also frequently occur.

端子台には、人体との接触を保護する為に、端子台との着脱が可能な保護カバー（端子台カバーともいう）が装着される。この保護カバーには、安価な為、プラスチック製のものが多く使用される。端子台カバーを端子台へ装着する方法としては、端子台本体への勘合固定、又はネジ止めによる固定が多く用いられる。   A protective cover (also referred to as a terminal block cover) that can be attached to and detached from the terminal block is attached to the terminal block in order to protect contact with the human body. Since this protective cover is inexpensive, a plastic cover is often used. As a method of attaching the terminal block cover to the terminal block, fitting and fixing to the terminal block main body or fixing by screws is often used.

通常、保護カバーは端子台に装着されており、配線作業の開始時には端子台から取り外される。配線作業の開始時に保護カバーが端子台から取り外された場合、配線作業の終了時に保護カバーの付け忘れ、あるいは配線作業中に保護カバーを紛失してしまうという課題があった。   Usually, the protective cover is attached to the terminal block, and is removed from the terminal block at the start of wiring work. When the protective cover is removed from the terminal block at the start of the wiring work, there is a problem that the protective cover is forgotten to be attached at the end of the wiring work or the protective cover is lost during the wiring work.

従来技術では端子台と端子台との間に収納可能なように絶縁板を配設した例はあるが（例えば、特許文献１）、端子台の保護カバーの収納に関する開示はない。   In the prior art, there is an example in which an insulating plate is disposed so as to be accommodated between the terminal block (for example, Patent Document 1), but there is no disclosure regarding the storage of the protective cover of the terminal block.

図１０は、従来の端子装置の図である。図１０を用いて従来の場合を簡単に説明する。通常時には、端子台カバーと端子台とは、カバー手前部、カバー後部の勘合にて固定されている。例えば配線の変更を行なう配線作業の開始時に、作業者は、端子台カバーの手前部又は端子台カバーの後部をＣ方向に持ち上げ、端子台と端子台カバーとの勘合を外し、端子台カバーを端子台から取り外す。この場合、端子装置には端子台カバーの収納部が存在しないため、作業者は、端子台カバーを周辺に置き、あるいは自分で保管するなどして配線作業を行っていた。そのため、配線作業の終了時に端子台カバーの付け忘れや、端子台カバーの置き場所を忘れてしまい端子台カバーを紛失してしまうことがあった。
特開平５−８２００３号公報 FIG. 10 is a diagram of a conventional terminal device. The conventional case will be briefly described with reference to FIG. Normally, the terminal block cover and the terminal block are fixed by fitting the front part of the cover and the rear part of the cover. For example, at the start of wiring work to change the wiring, the operator lifts the front part of the terminal block cover or the rear part of the terminal block cover in the direction C, removes the engagement between the terminal block and the terminal block cover, and removes the terminal block cover. Remove from the terminal block. In this case, since there is no terminal block cover storage in the terminal device, the operator performs wiring work by placing the terminal block cover around or storing it by himself. For this reason, at the end of the wiring work, the terminal block cover may be lost or the terminal block cover may be lost because the terminal block cover is forgotten.
Japanese Patent Laid-Open No. 5-82003

この発明は、保護カバーを有する端子台を備えた端子装置において、配線作業終了時における端子台カバーの付け忘れ、配線作業中における保護カバーの紛失を防止する端子装置を提供することを目的とする。   It is an object of the present invention to provide a terminal device that includes a terminal block having a protective cover and prevents the terminal block cover from being forgotten to be attached at the end of wiring work and the loss of the protective cover during wiring work. .

この発明の端子装置は、
ケースと、
複数の端子を有するとともに前記ケースに設置される端子台と、
前記端子台に対して着脱可能であって装着時には前記端子台を覆う保護カバーと
を備え、
前記端子台と前記ケースとは、
前記端子台からはずされた前記保護カバーを収納可能な収納空間と、前記収納空間への入り口である収納口とを形成することを特徴とする。 The terminal device of this invention is
Case and
A terminal block having a plurality of terminals and installed in the case;
A protective cover that is detachable from the terminal block and covers the terminal block when mounted;
The terminal block and the case are:
A storage space capable of storing the protective cover removed from the terminal block and a storage port serving as an entrance to the storage space are formed.

この発明により、保護カバーを有する端子台を備えた端子装置において、保護カバーの紛失、付け忘れを防止する手段を提供することができる。   According to the present invention, it is possible to provide means for preventing the protective cover from being lost or forgotten to be attached in the terminal device including the terminal block having the protective cover.

実施の形態１．
図１〜図７を用いて実施の形態１を説明する。以下の実施の形態では、端子装置の例として、照明制御装置の場合を説明する。図１は、保護カバーを有する端子台を備えた照明制御装置１００において、端子台１０に端子台カバー２０が装着される場合を説明する図である。また、図２は端子台カバー２０が端子台１０に装着された後の状態を示す図である。また、図３は、端子台カバー２０が後述の収納空間５０に収納された状態を示す図である。以下、図１〜図３等を用いて説明する。 Embodiment 1 FIG.
The first embodiment will be described with reference to FIGS. In the following embodiments, a case of an illumination control device will be described as an example of a terminal device. FIG. 1 is a diagram illustrating a case where a terminal block cover 20 is attached to a terminal block 10 in an illumination control apparatus 100 including a terminal block having a protective cover. FIG. 2 is a view showing a state after the terminal block cover 20 is mounted on the terminal block 10. FIG. 3 is a view showing a state in which the terminal block cover 20 is stored in a storage space 50 described later. Hereinafter, description will be made with reference to FIGS.

図１に示すように、照明制御装置１００は、ケース３０と、複数の端子を有するとともにケース３０に設置される端子台１０と、端子台１０に対して着脱可能であって装着時には端子台１０を覆う端子台カバー２０とを備える。   As shown in FIG. 1, the lighting control device 100 includes a case 30, a terminal block 10 that has a plurality of terminals and is installed in the case 30, and is detachable from the terminal block 10. And a terminal block cover 20 for covering.

（端子台１０）
端子台１０は、７つのネジ端子１１が一方向に沿って配置されている。この端子台１０の上部に、プラスチック製の端子台カバー２０をはめ合わせる。 (Terminal block 10)
The terminal block 10 has seven screw terminals 11 arranged along one direction. A plastic terminal block cover 20 is fitted to the upper portion of the terminal block 10.

（端子台カバー２０）
端子台カバー２０は、図１に示すように、略長方形の略平板状であって、略長方形の長い方の辺をネジ端子１１の並ぶ方向に合わせて端子台１０の上部にはめ合わされる。具体的には、端子台カバー２０の断面は「コの字」形状であり、「コの字」の凹部分が端子台１０の上部の形状に合わされている。このため、端子台１０の上部に端子台カバー２０を勘合できる。なお、図１において端子台カバー２０については、装着時に収納口４０側となる側面を第１側面部２１と呼び、反対側の側面を第２側面部２２と呼ぶこととする。また第２側面部２２の「コの字」形状による長手方向に亘る突起を突起部２３と呼ぶこととする。 (Terminal block cover 20)
As shown in FIG. 1, the terminal block cover 20 has a substantially rectangular substantially flat plate shape, and is fitted to the upper portion of the terminal block 10 with the longer side of the substantially rectangular shape aligned with the direction in which the screw terminals 11 are arranged. Specifically, the cross section of the terminal block cover 20 has a “U” shape, and the concave portion of the “U” is matched with the upper shape of the terminal block 10. For this reason, the terminal block cover 20 can be fitted to the upper portion of the terminal block 10. In FIG. 1, for the terminal block cover 20, the side surface that is on the side of the storage port 40 when attached is called a first side surface portion 21, and the opposite side surface is called a second side surface portion 22. A protrusion extending in the longitudinal direction due to the “U” shape of the second side surface portion 22 is referred to as a protrusion portion 23.

（収納口４０、収納空間５０）
端子台１０とケース３０とは、端子台１０からはずされた端子台カバー２０を収納可能な収納空間５０と、収納空間５０への入り口である収納口４０とを形成する。これらについては、図４〜図６の説明で述べる。図１には収納口４０を示している。収納口４０の奥に収納空間５０が存在する。 (Storage port 40, storage space 50)
The terminal block 10 and the case 30 form a storage space 50 that can store the terminal block cover 20 removed from the terminal block 10 and a storage port 40 that is an entrance to the storage space 50. These will be described in the description of FIGS. FIG. 1 shows the storage port 40. A storage space 50 exists behind the storage port 40.

図２は、端子台１０に端子台カバー２０が装着された状態を示し、図３は、図２の状態から端子台カバー２０が取り外され、収納口４０から収納空間５０に端子台カバー２０が収納された状態を示している。以下では、図４〜図６を用いて、図２から図３にいたる動作を説明する。   FIG. 2 shows a state where the terminal block cover 20 is attached to the terminal block 10, and FIG. 3 shows that the terminal block cover 20 is removed from the state of FIG. 2 and the terminal block cover 20 is inserted into the storage space 50 from the storage port 40. The stored state is shown. Hereinafter, the operation from FIG. 2 to FIG. 3 will be described with reference to FIGS.

図２の装着状態において、端子台カバー２０の第２側面部２２をａ方向に持ち上げると第１側面部２１が収納口４０に傾く為、その状態で端子台カバー２０をｂ方向にスライドさせつつ回転させる事により、端子台カバー２０は図３の様に収納空間５０に収納される。図４は、図２のＡ−Ａ断面を示す図であり、図５は、端子台カバー２０がはずされたときのＡ−Ａ断面を示す図である。図５に示すように、収納口４０は、第１側面部２１から端子台カバー２０を収納空間５０へ収納可能である。なお、図４等の断面図では、端子台カバー２０はハッチングを付けないで示している。   2, when the second side surface portion 22 of the terminal block cover 20 is lifted in the direction a, the first side surface portion 21 is inclined to the storage port 40. In this state, the terminal block cover 20 is slid in the direction b. By rotating, the terminal block cover 20 is stored in the storage space 50 as shown in FIG. 4 is a diagram showing a cross section AA in FIG. 2, and FIG. 5 is a diagram showing a cross section AA when the terminal block cover 20 is removed. As shown in FIG. 5, the storage port 40 can store the terminal block cover 20 in the storage space 50 from the first side surface portion 21. In the sectional view of FIG. 4 and the like, the terminal block cover 20 is shown without hatching.

図６は、図３のＡ−Ａ断面を示す図である。図６に示すように、端子台カバー２０は、収納空間５０に収納状態では、端子台１０の後部（側面）とケース３０とに挟まれ固定される。図６の場合は、第１側面部２１から収納空間５０に収納される場合に、突起部２３が収納口４０と干渉することにより、第２側面部２２が収納空間５０に収納されることなく収納口４０から露出している。これにより、収納状態から端子台１０に端子台カバー２０を装着するときは、第２側面部２２をつまんで端子台カバー２０を収納空間５０からとりだし、端子台１０に勘合すればよい。   FIG. 6 is a view showing a cross section taken along the line AA of FIG. As shown in FIG. 6, the terminal block cover 20 is fixed by being sandwiched between the rear portion (side surface) of the terminal block 10 and the case 30 in the storage space 50. In the case of FIG. 6, when the first side surface portion 21 is stored in the storage space 50, the protrusion 23 interferes with the storage port 40, so that the second side surface portion 22 is not stored in the storage space 50. It is exposed from the storage opening 40. Thus, when the terminal block cover 20 is attached to the terminal block 10 from the stored state, the terminal block cover 20 may be taken out of the storage space 50 by pinching the second side surface portion 22 and fitted into the terminal block 10.

このように、端子台１０のネジ締め終了後、端子台カバー２０を収納空間５０から引き出し、収納の動作と反対の要領で、端子台カバー２０を端子台１０に取り付ける事ができる。   In this manner, after the screw tightening of the terminal block 10 is completed, the terminal block cover 20 can be pulled out of the storage space 50, and the terminal block cover 20 can be attached to the terminal block 10 in a manner opposite to the storing operation.

また、図７のように、第２側面部２２をａ方向に端子台１０から浮かした時に、カバー端部２４（図１に示した）をａ方向に浮かすことで、端子台カバー２０を端子台１０から外す事も出来る。   Further, as shown in FIG. 7, when the second side surface portion 22 is lifted from the terminal block 10 in the direction a, the cover end portion 24 (shown in FIG. 1) is lifted in the direction a, so that the terminal block cover 20 is connected to the terminal block 20. It can also be removed from the base 10.

このように、実施の形態１の照明制御装置１００は、端子台１０とケース３０とが、端子台カバー２０を収納する収納空間５０を形成するので、端子台カバー２０の紛失を防ぐ事が出来る。   As described above, in the lighting control apparatus 100 according to the first embodiment, the terminal block 10 and the case 30 form a storage space 50 for storing the terminal block cover 20, so that the terminal block cover 20 can be prevented from being lost. .

実施の形態２．
図８、図９を用いて実施の形態２を説明する。実施の形態２は、照明制御装置１００が、単に収納空間５０を有する場合を説明する。 Embodiment 2. FIG.
The second embodiment will be described with reference to FIGS. Embodiment 2 demonstrates the case where the illumination control apparatus 100 has the storage space 50 only.

図８は、実施の形態２の照明制御装置１００の外観を示す図である。図８は、端子台カバー２０が収納空間５０に収納されている状態を示している。   FIG. 8 is a diagram illustrating an appearance of the illumination control apparatus 100 according to the second embodiment. FIG. 8 shows a state in which the terminal block cover 20 is stored in the storage space 50.

図８では、図７の場合と同様にして端子台カバー２０の第２側面部２２をａ方向に端子台１０から外し浮かして、端子台１０から端子台カバー２０を外す場合を想定している。外した端子台カバー２０を収納空間５０に一時的に収納する実施形態である。図９は、図８のＢ−Ｂ断面図である。図９に示すように、寸法Ｍ及び寸法Ｌを適当に決定することにより、取り外された端子台カバー２０を収納することができる。これによって、端子台カバー２０の紛失や、装着忘れを防止することができる。   In FIG. 8, it is assumed that the second side surface portion 22 of the terminal block cover 20 is lifted off from the terminal block 10 in the direction a and the terminal block cover 20 is removed from the terminal block 10 in the same manner as in FIG. 7. . In this embodiment, the removed terminal block cover 20 is temporarily stored in the storage space 50. 9 is a cross-sectional view taken along line BB in FIG. As shown in FIG. 9, the terminal block cover 20 that has been removed can be accommodated by appropriately determining the dimension M and the dimension L. This can prevent the terminal block cover 20 from being lost or forgotten to be attached.

実施の形態１における端子台カバー２０の装着を説明する図。FIG. 5 is a diagram for explaining the mounting of the terminal block cover 20 in the first embodiment. 実施の形態１における端子台カバー２０の装着時を説明する図。The figure explaining the time of mounting | wearing of the terminal block cover 20 in Embodiment 1. FIG. 実施の形態１における端子台カバー２０の収納時を説明する図。The figure explaining the time of accommodation of the terminal block cover 20 in Embodiment 1. FIG. 実施の形態１における端子台カバー２０の装着時のＡ−Ａ断面。The AA cross section at the time of mounting | wearing with the terminal block cover 20 in Embodiment 1. FIG. 実施の形態１における端子台カバー２０の取り外し時のＡ−Ａ断面。The AA cross section at the time of removal of the terminal block cover 20 in Embodiment 1. FIG. 実施の形態１における端子台カバー２０の収納時のＡ−Ａ断面。The AA cross section at the time of accommodation of the terminal block cover 20 in Embodiment 1. FIG. 実施の形態１における端子台カバー２０の取り外し状態を示す面。The surface which shows the removal state of the terminal block cover 20 in Embodiment 1. FIG. 実施の形態２における端子台カバー２０の収納時を説明する図。The figure explaining the accommodation time of the terminal block cover 20 in Embodiment 2. FIG. 実施の形態１における端子台カバー２０の収納時のＢ−Ｂ断面。BB cross section at the time of accommodation of terminal block cover 20 in Embodiment 1. FIG. 従来技術を示す図。The figure which shows a prior art.

符号の説明Explanation of symbols

１０ 端子台、１１ ネジ端子、２０ 端子台カバー、２１ 第１側面部、２２ 第２側面部、２３ 突起部、２４ カバー端部、３０ ケース、４０ 収納口、５０ 収納空間、１００ 照明制御装置。   DESCRIPTION OF SYMBOLS 10 terminal block, 11 screw terminal, 20 terminal block cover, 21 1st side surface part, 22 2nd side surface part, 23 protrusion part, 24 cover edge part, 30 case, 40 storage port, 50 storage space, 100 lighting control apparatus.

Claims (2)

ケースと、
複数の端子が一方向に沿って配置されて、前記ケースに設置される端子台と、
略長方形の略平板状であって略長方形の長い方の辺を前記端子の前記一方向に合わせて前記端子台の上部に着脱可能に取り付けら、装着時には前記端子台の前記上部を覆う保護カバーと
を備え、
前記端子台の一つの側面と前記ケースとは、
前記端子台からはずされた前記保護カバーを収納可能な収納空間と、前記収納空間への入り口である収納口であって略長方形である前記保護カバーの一方の長辺側である第１側面部から前記保護カバーを前記収納空間へ収納可能である収納口とを形成し、
前記収納口は、
装着時における前記保護カバーの前記第１側面部の高さと略同じ高さに形成され、かつ、前記保護カバーの前記第１側面部に沿った細長形状に形成され、
前記保護カバーは、
他方の長辺側である第２側面部の長手方向に亘り突起部を有するとともに、前記第１側面部から前記収納空間に収納される場合に、前記突起部が前記収納口と干渉することにより、前記突起部が前記収納空間に収納されることなく前記収納口から露出することを特徴とする端子装置。 Case and
A plurality of terminals arranged along one direction, and a terminal block installed in the case;
A protective cover that is substantially flat and substantially rectangular, and that is attached to the upper part of the terminal block so that the longer side of the substantially rectangular shape matches the one direction of the terminal, and covers the upper part of the terminal block when mounted. And
One side of the terminal block and the case are:
A storage space that can store the protective cover removed from the terminal block , and a first side surface portion that is a storage port that is an entrance to the storage space and is substantially rectangular and is one long side of the protective cover And forming a storage opening capable of storing the protective cover in the storage space ,
The storage port is
Formed at substantially the same height as the first side surface portion of the protective cover at the time of mounting, and formed in an elongated shape along the first side surface portion of the protective cover,
The protective cover is
When having a protrusion over the lengthwise direction of the second side surface, which is the other long side, and being stored in the storage space from the first side surface, the protrusion interferes with the storage port. The terminal device is exposed from the storage port without being stored in the storage space. 前記保護カバーは、  The protective cover is
前記第１側面部の長手方向に亘り前記第２側面部の前記突起部と略同一形状の突起部を有し、前記装着時において前記長手方向を法線方向に持つ断面で切断するとコの字を左回転方向に９０度回転させた形状の断面をなし、  When the first side surface portion has a projection portion having substantially the same shape as the projection portion of the second side surface portion and is cut in a cross section having the longitudinal direction in the normal direction at the time of mounting, a U-shape Made a cross-section of the shape rotated 90 degrees in the counterclockwise direction,
前記収納口は、  The storage port is
前記長手方向を法線方向に持つ前記断面でみたときの幅が、コの字を左回転方向に９０度回転させた形状の前記断面の高さよりも、狭いことを特徴とする請求項１記載の端子装置。  The width when viewed in the cross section having the longitudinal direction in the normal direction is narrower than the height of the cross section of a shape obtained by rotating a U-shape by 90 degrees in the counterclockwise rotation direction. Terminal equipment.
JP2007125118A 2007-05-10 2007-05-10 Terminal equipment Active JP5052202B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5236558B2 (en) * 2009-03-31 2013-07-17 能美防災株式会社 Electrical equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0418971A (en) * 1990-05-11 1992-01-23 Toshiba Corp Mail comparting device
JPH1092487A (en) * 1996-09-18 1998-04-10 Kawamura Electric Inc Terminal block

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