WO2016110975A1 - 中継用端子台 - Google Patents
中継用端子台 Download PDFInfo
- Publication number
- WO2016110975A1 WO2016110975A1 PCT/JP2015/050343 JP2015050343W WO2016110975A1 WO 2016110975 A1 WO2016110975 A1 WO 2016110975A1 JP 2015050343 W JP2015050343 W JP 2015050343W WO 2016110975 A1 WO2016110975 A1 WO 2016110975A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal block
- relay terminal
- screw
- recess
- fixed
- Prior art date
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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
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
- H01R9/2608—Fastening means for mounting on support rail or strip
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
-
- 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
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
- H01R13/74—Means for mounting coupling parts in openings of a panel
- H01R13/748—Means for mounting coupling parts in openings of a panel using one or more screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
Definitions
- the present invention relates to a relay terminal block fixed with screws to an air conditioner.
- the air conditioner includes an indoor unit installed indoors and an outdoor unit installed outdoor. Each of the indoor unit and the outdoor unit is attached with a relay terminal block to which a power line or a crossover line for supplying power is connected.
- a terminal block capable of connecting a power supply line or a crossover line as disclosed in Patent Document 1 is used as a relay terminal block.
- the relay terminal block is fixed with screws to fixed portions provided in the indoor unit and outdoor unit.
- the main body of the relay terminal block is formed with a recess into which the head of the screw enters, and a through hole formed from the bottom surface of the recess to penetrate the screw shaft.
- the relay terminal block When installing an air conditioner, the relay terminal block may be replaced to change to a desired power supply method.
- the screw that fixes the relay terminal block that is already attached is removed, and the newly installed relay terminal block is fixed with the screw.
- the outer diameter of the head of the screw fixing the relay terminal block already installed may be larger than the outer diameter of the screw head attached to the newly installed relay terminal block. is there.
- the outer diameter of the head of the screw fixing the relay terminal block that is already installed is larger than the inner diameter of the recess of the newly installed relay terminal block, and the screw head is recessed. It may not get inside.
- the present invention has been made in view of the above, and an object of the present invention is to obtain a relay terminal block that can be easily recognized as being fixed with an incorrect screw.
- the relay terminal block according to the present invention is a relay terminal block fixed to the fixing portion with a screw, the first surface facing the fixing portion, A main body having a second surface which is the back surface side of the first surface, the main body includes a recess recessed from the second surface toward the first surface, and a through-hole penetrating from the bottom surface of the recess to the first surface; Protrusions that are provided on the edge of the recess and project in a direction away from the second surface are formed, and the through hole is formed with an inner diameter that is larger than the outer diameter of the screw shaft and smaller than the outer diameter of the screw head The recess is formed with an inner diameter larger than the outer diameter of the screw head.
- the relay terminal block according to the present invention has an effect that it is easy to recognize that it is fixed with an incorrect screw.
- the air conditioner with which the relay terminal block which concerns on Embodiment 1 of this invention is fixed Comprising: The figure which shows the structure of an external power receiving system
- the air conditioner with which the relay terminal block which concerns on Embodiment 1 is fixed Comprising: The figure which shows the structure of another power receiving system
- the perspective view of the terminal block for relay based on Embodiment 1 Top view of relay terminal block according to Embodiment 1
- FIG. 6 is a cross-sectional view of the relay terminal block according to the first embodiment, and is a cross-sectional view taken along the line AA shown in FIG.
- FIG. 1 is an air conditioner to which a relay terminal block according to Embodiment 1 of the present invention is fixed, and shows a configuration of an external power receiving system.
- the air conditioner 10 includes an outdoor unit 12 installed outdoors and an indoor unit 13 installed indoors.
- a power line 14 extending from the power source 11 is connected to the outdoor unit 12.
- the outdoor unit 12 and the indoor unit 13 are connected by a crossover 15.
- the power supplied to the outdoor unit 12 through the power supply line 14 is also supplied to the indoor unit 13 through the crossover line 15.
- transmission / reception of information via the communication line 16 is performed between the indoor unit 12 and the outdoor unit 13.
- FIG. 2 is an air conditioner to which the relay terminal block according to the first embodiment is fixed, and is a diagram illustrating a configuration of a separate power receiving method.
- the air conditioner 30 includes an outdoor unit 33 installed outdoors and an indoor unit 34 installed indoors.
- a power line 35 extending from the power source 31 is connected to the outdoor unit 33.
- a power line 37 extending from the power source 32 is connected to the indoor unit 34.
- power is supplied from the power sources 31 and 32 to the outdoor unit 33 and the indoor unit 34, respectively. Note that power is not supplied between the outdoor unit 33 and the indoor unit 34, and information is transmitted and received via the communication line 36.
- the outdoor units 12 and 33 and the indoor units 13 and 34 included in the external power reception type air conditioner 10 and the separate power reception type air conditioner 30 are connected to the power supply lines 14, 35, and 37 or the crossover line 15. A terminal block is provided.
- FIG. 3 is a perspective view of the relay terminal block according to the first embodiment.
- FIG. 4 is a plan view of the relay terminal block according to the first embodiment.
- FIG. 5 is a front view of the relay terminal block according to the first embodiment.
- 6 is a cross-sectional view of the relay terminal block according to Embodiment 1, and is a cross-sectional view taken along the line AA shown in FIG.
- the relay terminal block 1 includes a main body 4 in which a plurality of terminal connection portions 3 are formed.
- the relay terminal block 1 has a main body 4 fixed by screws to a fixing portion 20 which is a fixing target provided in the outdoor unit 12, the outdoor unit 33, the indoor unit 13, and the indoor unit 34.
- the main body 4 has a rectangular parallelepiped shape.
- the main body 4 has a first surface 4a that faces the fixed portion 20, and a second surface 4b that is the back surface side of the first surface 4a.
- the main body 4 is formed with a recess 5 that is recessed from the first surface 4a toward the second surface 4b.
- a through hole 6 that penetrates the first surface 4 a is formed in the bottom surface 5 a of the recess 5.
- a protrusion 7 is formed that protrudes away from the second surface 4b.
- the protrusion 7 is not formed over the entire periphery of the edge of the recess 5 but is formed at a part of the edge.
- FIG. 7 is a view showing screws for fixing the relay terminal block 1 according to the first embodiment.
- the screw 40 includes a shaft portion 41 having a thread formed on the outer peripheral surface, and a head portion 42 provided on one end side of the shaft portion 41 and having an outer diameter larger than the diameter of the shaft portion 41.
- the inner diameter D of the through hole 6 formed in the main body 4 of the relay terminal block 1 is larger than the outer diameter B of the shaft portion 41 of the screw 40 and smaller than the outer diameter C of the head portion 42 of the screw 40.
- the inner diameter E of the recess 5 is formed to be larger than the outer diameter C of the head portion 42 of the screw 40.
- the air conditioner shipped with the relay terminal block installed assuming the external power receiving method is replaced with a relay terminal block of another power receiving method or installed, or another power receiving method
- an air conditioner shipped with a relay terminal block that is assumed to be installed is replaced with an external power receiving relay terminal block and installed.
- the inner diameter D of the through hole 6 of the relay terminal block 1 to be newly installed is 4.2 mm
- the length F of the through hole 6 is 12.7 mm
- the inner diameter E of the recess 5 is 7.5 mm.
- the depth G of the recess 5 is assumed to be 4.3 mm.
- the outer diameter B of the shaft portion 41 of the screw 40 attached to fix the newly installed relay terminal block 1 is 3 mm
- the length L of the shaft portion 41 is 20 mm
- C is 7 mm.
- the outer diameter of the head of the screw that fixes the relay terminal block (not shown) that was attached to the air conditioner at the time of shipment is 9.4 mm
- the newly installed relay The screw head cannot enter the recess 5 of the terminal block 1.
- the head of the screw comes into contact with the protrusion 7 before coming into contact with the edge of the recess 5. Since the projection 7 is formed at a part of the edge of the recess 5, the projection 7 abuts only at a part of the outer periphery of the head, and the screw is in an unstable state. Therefore, the operator is likely to notice that the relay terminal block screw attached at the time of shipment is misappropriated.
- the entire outer periphery of the head of the diverted screw is brought into contact with the edge of the recess 5 so that the screw Therefore, the operator may not notice the diversion of the screw.
- the tip of the shaft portion 41 is screwed into the fixed portion 20 by 7.3 mm.
- the fixing force of the relay terminal block 1 is weakened by diverting the screw, and the relay terminal block 1 is easily detached.
- the relay terminal block 1 by forming the protrusion 7 on the second surface 4b of the main body 4, it is noticed that the relay terminal block 1 is fixed with the use of a screw, that is, an incorrect screw. It has become easier. Therefore, it is possible to promptly fix the relay terminal block 1 using the appropriate screw 40 and to fix the relay terminal block 1 more reliably.
- the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.
- 1 terminal block for relay 3 terminal connection part, 4 body, 4a 1st surface, 4b 2nd surface, 5 recess, 5a bottom surface, 6 through hole, 7 protrusion, 10 air conditioner, 11 power supply, 12 outdoor unit, 13 Indoor unit, 14 power line, 15 crossover line, 16 communication line, 20 fixed part, 30 air conditioner, 31, 32 power supply, 33 outdoor unit, 34 indoor unit, 35 power line, 36 communication line, 37 power line, 40 Screw, 41 shaft, 42 head.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
Description
まず、室内機と室外機とを備える空気調和設備の電源供給方式である外受電方式と別受電方式について説明する。図1は、本発明の実施の形態1に係る中継用端子台が固定される空気調和機であって、外受電方式の構成を示す図である。空気調和機10は、室外に設置される室外機12と、室内に設置される室内機13とを備える。
Claims (2)
- 固定部にねじで固定される中継用端子台であって、
前記固定部と対向する第1面と、前記第1面の裏面側となる第2面とを有する本体を備え、
前記本体には、前記第2面から前記第1面に向けて凹む凹部と、前記凹部の底面から前記第1面に貫通する貫通穴と、前記凹部の縁に設けられて前記第2面から離れる方向に突出する突起とが形成され、
前記貫通穴は、前記ねじの軸部の外径よりも大きく、前記ねじの頭部の外径よりも小さな内径で形成され、
前記凹部は、前記ねじの頭部の外径よりも大きな内径で形成されることを特徴とする中継用端子台。 - 前記突起は、前記凹部の縁の一部に形成されることを特徴とする請求項1に記載の中継用端子台。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016568221A JP6218972B2 (ja) | 2015-01-08 | 2015-01-08 | 中継用端子台 |
CN201580072301.8A CN107112651B (zh) | 2015-01-08 | 2015-01-08 | 中继用端子台 |
PCT/JP2015/050343 WO2016110975A1 (ja) | 2015-01-08 | 2015-01-08 | 中継用端子台 |
EP15781568.9A EP3065222B1 (en) | 2015-01-08 | 2015-01-08 | Relay terminal block |
US15/529,110 US9831571B2 (en) | 2015-01-08 | 2015-01-08 | Relay terminal block |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2015/050343 WO2016110975A1 (ja) | 2015-01-08 | 2015-01-08 | 中継用端子台 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016110975A1 true WO2016110975A1 (ja) | 2016-07-14 |
Family
ID=56355697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/050343 WO2016110975A1 (ja) | 2015-01-08 | 2015-01-08 | 中継用端子台 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9831571B2 (ja) |
EP (1) | EP3065222B1 (ja) |
JP (1) | JP6218972B2 (ja) |
CN (1) | CN107112651B (ja) |
WO (1) | WO2016110975A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020505897A (ja) * | 2017-03-03 | 2020-02-20 | エルエス産電株式会社Lsis Co., Ltd. | インバータ装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59192276U (ja) * | 1983-06-09 | 1984-12-20 | 株式会社明電舎 | 端子台 |
JPS62191069U (ja) * | 1986-05-23 | 1987-12-04 | ||
JPS634411U (ja) * | 1986-06-27 | 1988-01-12 | ||
JPH01100305U (ja) * | 1987-12-25 | 1989-07-05 | ||
JPH08222297A (ja) | 1995-02-13 | 1996-08-30 | Sumitomo Wiring Syst Ltd | 端子金具の組み付け構造 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3042896A (en) | 1958-01-20 | 1962-07-03 | Doktor Benjamin | Terminal block construction |
US3636502A (en) * | 1969-09-10 | 1972-01-18 | Joseph M Wallace | Connector for aircraft windshields |
US4194804A (en) * | 1975-05-12 | 1980-03-25 | Westinghouse Electric Corp. | Wire retaining finger |
JPS5848775Y2 (ja) | 1978-05-26 | 1983-11-08 | 株式会社千野製作所 | 配線ガイド |
JPS6183272U (ja) | 1984-11-07 | 1986-06-02 | ||
US4734061A (en) * | 1986-12-31 | 1988-03-29 | Bell Communications Research, Inc. | Telecommunications terminal block |
JPS63137471U (ja) | 1987-02-28 | 1988-09-09 | ||
JPH01168967U (ja) | 1988-05-20 | 1989-11-29 | ||
US5557250A (en) * | 1991-10-11 | 1996-09-17 | Raychem Corporation | Telecommunications terminal block |
JPH11250958A (ja) | 1998-03-03 | 1999-09-17 | Fuji Electric Co Ltd | 端子台 |
US6380846B1 (en) * | 1999-08-13 | 2002-04-30 | Pittway Corporation | Pull station |
US20040242080A1 (en) * | 2003-05-29 | 2004-12-02 | Lindenbaum Electrical Company, Inc. | Electrical connection system |
WO2012077205A1 (ja) * | 2010-12-08 | 2012-06-14 | 三菱電機株式会社 | 電子機器ユニット |
JP2012174469A (ja) | 2011-02-21 | 2012-09-10 | Hitachi Kokusai Electric Inc | 端子台 |
-
2015
- 2015-01-08 US US15/529,110 patent/US9831571B2/en active Active
- 2015-01-08 WO PCT/JP2015/050343 patent/WO2016110975A1/ja active Application Filing
- 2015-01-08 EP EP15781568.9A patent/EP3065222B1/en not_active Not-in-force
- 2015-01-08 JP JP2016568221A patent/JP6218972B2/ja not_active Expired - Fee Related
- 2015-01-08 CN CN201580072301.8A patent/CN107112651B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59192276U (ja) * | 1983-06-09 | 1984-12-20 | 株式会社明電舎 | 端子台 |
JPS62191069U (ja) * | 1986-05-23 | 1987-12-04 | ||
JPS634411U (ja) * | 1986-06-27 | 1988-01-12 | ||
JPH01100305U (ja) * | 1987-12-25 | 1989-07-05 | ||
JPH08222297A (ja) | 1995-02-13 | 1996-08-30 | Sumitomo Wiring Syst Ltd | 端子金具の組み付け構造 |
Non-Patent Citations (1)
Title |
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See also references of EP3065222A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020505897A (ja) * | 2017-03-03 | 2020-02-20 | エルエス産電株式会社Lsis Co., Ltd. | インバータ装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3065222B1 (en) | 2017-07-26 |
US9831571B2 (en) | 2017-11-28 |
US20170264030A1 (en) | 2017-09-14 |
CN107112651B (zh) | 2019-01-15 |
EP3065222A4 (en) | 2016-09-07 |
JPWO2016110975A1 (ja) | 2017-05-25 |
CN107112651A (zh) | 2017-08-29 |
EP3065222A1 (en) | 2016-09-07 |
JP6218972B2 (ja) | 2017-10-25 |
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