CN101350456A - Inserted terminal position of switch - Google Patents
Inserted terminal position of switch Download PDFInfo
- Publication number
- CN101350456A CN101350456A CNA2008100079662A CN200810007966A CN101350456A CN 101350456 A CN101350456 A CN 101350456A CN A2008100079662 A CNA2008100079662 A CN A2008100079662A CN 200810007966 A CN200810007966 A CN 200810007966A CN 101350456 A CN101350456 A CN 101350456A
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- terminal
- binding post
- switch
- mentioned
- arrangements
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- Distribution Board (AREA)
- Patch Boards (AREA)
- Breakers (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention provides an inserting terminal device of switch capable of control the contact of the clamping terminal and the switch piece to the minimum limit by a simple structure. The device of the invention is structured by: combining the front ends of the first and second compression joint piece (3a, 3b) mounted on the clamping terminal of the switch on to the switch piece (5a) of the binding post (5) of the terminal seat (2); clamping the switch piece by the compression joint force between the first and second compression joint piece; the clamping terminal is composed by integrating the opposite first and second compression joint piece and the connection piece (3c); and a binding post cover is mounted onto the binding post in the inserting terminal device. The binding post cover comprises: a pair of inserting holes (4b, 4c) positioned to insert the first and second compression joint piece of the clamping terminal; a separating unit (4a) and a switch supporter disposed between the pair of inserting holes.
Description
Technical field
The present invention relates to a kind of insertion arrangements of terminal that comprises the switch of circuit-breakers such as Inturruptor for sub-line or residual current circuit breaker, in detail, relate to the structure that is implemented in the contact resistance stabilisation when inserting this switch.
Background technology
For example; between power supply that is disposed at circuit and load, the circuit-breaker of protection from this collocation point to electric wire between load or conductor; as it method of attachment is set, particularly the status of equipment with conductor is corresponding, the known existence " surface type " or " back side type " etc.But, because any one of above-mentioned " surface type ", " back side type " all is that this electric wire or conductor directly are connected with circuit-breaker, so for example under the situation of needs replacing circuit-breaker, this replacing spends a large amount of man-hours.
Therefore, only by circuit-breaker insertion end stroma just being accessed " insert type " that be electrically connected between circuit breaker and the conductor by likewise known.In this method, in advance terminal base is configured on the panel etc. of distribution board, simultaneously the binding post that this terminal base had is connected with the conductor of mains side and load-side.On the other hand, insert special-purpose binding post at circuit-breaker side and this and clamping terminal relatively is set, the mains side and the load side terminal of permanent circuit circuit breaker on this clamping terminal.Like this, when the configuration circuit circuit breaker, insert binding post, utilize the crimp force of this clamping terminal to be electrically connected,, realize that the conducting between above-mentioned mains side conductor and the load-side conductor is non-conduction by this circuit-breaker on/off by making the clamping terminal.In addition, above-mentioned " the clamping terminal inserts to binding post " is exactly the reason that is called as so-called " insert type ", and above-mentioned " terminal base " is called as " insertion end stroma " (for example with reference to patent documentation 1, patent documentation 2) because of " insert type ".
Known usually in circuit-breaker, the maximum that this circuit-breaker can be switched on is called AF (AF (Ampere Frame)), each rated current of decision in this AF.For example, under the situation of 225AF, rated current is as 125A, 150A, 175A, 200A, 225A.Thus, as adopt should " insert type " an advantage, can enumerate following example: as long as determined AF, even then its rated current or nominal short-circuit capacity are still determined as yet, as long as configuration insertion end stroma just can carry out distribution and constructs earlier.In addition, even along with generation rated current changes such as load capacity increases,, change operation and also be very easy to as long as drop in the scope of above-mentioned AF.But biggest advantage is the easiness of its replacing, even just in case the circuit-breaker fault or short interruption has taken place after, the replacing of standby also becomes simply, that can power rapidly restarts.In view of this point, the trunk of important circuit with or other special purposes of boats and ships etc. in when being the center with the bigger circuit-breaker of AF, its demand is more.
Patent documentation 1: open clear 56-2556 communique in fact
Patent documentation 2: the spy opens the 2004-363066 communique
Summary of the invention
Though above-mentioned existing " insert type " is easy to use, but then,, and be not to screw togather or fixing because its electric contact depends on crimping, so as above-mentioned patent documentation 1,2 disclosed, its crimp force is guaranteed in requirement, can not produce loose contact.In addition, so-called " change easily " if change an angle, then is not 1 pair 1 relation always of circuit-breaker and insertion end stroma.That is,, be difficult to make the central shaft of clamping terminal and binding post consistent all the time though its crimp force is set at installation dimension error can allow circuit-breaker, particularly clamping terminal fixedly the time.Therefore, be actually in central shaft location skew, make the clamping terminal on one side to cut itself and contact-making surface (hereinafter referred to as the switch plate) insertion on one side of binding post to a certain degree.Its result owing to two components damage, plating exfoliation, becomes big and produce contact resistance, may cause the abnormality of contact section heating thus.
The present invention proposes in order to solve above-mentioned problem, and its purpose is to obtain a kind of insertion arrangements of terminal of switch, and it can be a Min. with the contact inhibition of clamping terminal and switch plate with simple structure.
The insertion arrangements of terminal of switch involved in the present invention, it is by inserting the on/off operation of the switch in the insertion end stroma, make be configured in distribution board on a pair of bonding conductor that is connected of insertion end stroma between conducting or non-conduction, this insertion arrangements of terminal constitutes the leading section by first and second compressing piece that will be installed in the clamping terminal on the switch, be embedded on the switch plate of the binding post that this insertion end stroma had, utilize the above-mentioned switch plate of crimp force clamping between above-mentioned first and second compressing piece, this clamping terminal is by first compressing piece respect to one another and second compressing piece, and the link piece that links above-mentioned first and second compressing piece forms, in inserting arrangements of terminal, cover attaching terminal cover on above-mentioned binding post, this binding post cover has: a pair of insertion mouth, and they are used to make first and second compressing piece of above-mentioned clamping terminal to insert; And separating part, it is between above-mentioned a pair of insertion mouth, with above-mentioned switch plate butt.
The effect of invention
Shown in the present invention as described above, can provide a kind of insertion arrangements of terminal of switch of cheapness, change, also can remain the stabilisation of contact resistance even it carries out frequent switch.
Description of drawings
Fig. 1 is the outward appearance oblique view of the insertion arrangements of terminal of switch in the embodiments of the present invention 1 and switch.
Fig. 2 (a) is the vertical view of the binding post cover in the execution mode 1, (b) is profile.
Fig. 3 is the profile of the process inserted to binding post of the clamping terminal in the presentation graphs 1.
Fig. 4 (a) is the vertical view of the binding post cover in the embodiments of the present invention 2, (b) is profile.
Fig. 5 (a) is the outward appearance oblique view of the binding post cover in the embodiments of the present invention 3, (b) is profile.
Fig. 6 is the outward appearance oblique view of the binding post cover in the embodiments of the present invention 4.
Embodiment
Execution mode 1
Fig. 1 (a) be in the expression embodiments of the present invention 1 at switch and insertion end stroma outward appearance oblique view in conjunction with the insertion arrangements of terminal of the switch under the preceding state, Fig. 1 (b) is that expression will be installed in the clamping terminal of switch-side and be installed in the binding post of insertion end stroma side and the figure of binding post cover after extracting.In addition, Fig. 2 (a) is the vertical view of the binding post cover of Fig. 1 (b), and Fig. 2 (b) is the A-A line profile of Fig. 2 (a).Fig. 3 is the profile of the clamping terminal insertion process in the presentation graphs 1 (a).
In Fig. 1, the 1st, comprise the switch of circuit-breakers such as Inturruptor for sub-line or residual current circuit breaker, 2 expressions are pre-configured in the insertion end stroma on the panel (not shown) of distribution board etc.Known switches 1 is formed by insulation shell 11, and this insulation shell 11 is made up of lid 11a and base 11b, by the handle 12 that will protrude from lid 11a laterally or inboard rotating operation simultaneously, thereby makes its conducting or non-conduction on paper.In addition, on paper, because the outside is power supply side terminal 13a, the inboard is load side terminal 13b, so according to the position of illustrated handle 12, this switch 1 current nonconducting state that is in as can be known.
Fastening or clamping terminal 3 among Fig. 1 (b) is arranged via link piece 3c on power supply side terminal 13a and load side terminal 13b by not shown screw threaded,, this clamping terminal 3 is formed integrally as roughly U word shape by the first compressing piece 3a, the second compressing piece 3b via link piece 3c.That is, between the first compressing piece 3a and the second compressing piece 3b, form the crimp force of regulation.Except that clamping terminal 3, switch 1 is general switch, in addition, if this clamping terminal 3 not, then can be used as the described surface type of background technology part uses, be fixed with for example rear connection post if perhaps replace this clamping terminal 3, then can be used as the described back side of background technology part type and use.
On the other hand, insertion end stroma 2 is formed by insulating resin, by forming with the panel of not shown mounting disc or the base portion 2a and the 2b of pair of terminal portion of angle bar butt.In addition, in that this insertion end stroma 2 is passed through not shown bolt, when particularly being installed on the panel, need on panel, offer the hole suitable with the projected area of portion of terminal 2b.In addition, in this execution mode 1, the 2b of pair of terminal portion links by base portion 2a, but also can not link, that is, portion of terminal 2b is separated as mains side and load-side.
The through hole (not shown) that has with number of electrodes (being 3 in the case) corresponding concave part is set on the above-mentioned pair of terminal 2b of portion, the binding post 5 with switch plate 5a and flange part 5b is entrenched in this through hole as the anti-delinking part with flange part 5b.In addition, the 6th, be used to the pressing plate that prevents that binding post 5 from jumping out to the top of paper, install and fix by bolt via portion of terminal 2b and bolt hole 6a.According to the embodiment of the present invention 1, on above-mentioned binding post 5, as shown in Figure 3, so that the front end of its top wall portion and the switch plate 5a mode of butt roughly, cover pretends to want into the present invention the binding post cover 4 of portion.Binding post cover 4 is formed by insulating resin, and according to Fig. 2 as can be known, it is provided with a pair of insertion mouthful 4b, 4c, has separating part 4a in the top wall portion of inserting mouthful 4b, 4c.
In addition, according to Fig. 3 as can be known, the part that binding post 5 is removed outside the switch plate 5a is a hollow, by on this hollow space internal thread being set, thereby utilizes bolt 7 that bonding conductor 8 and binding post 5 is fastening.
Below, based on this Fig. 3 the process that clamping terminal 3 and binding post 5 are electrically connected is described.Fig. 3 (a) expression clamping terminal 3 inserts the state before the binding post cover 4, and (b) state in the way is inserted in expression, the state after (c) expression is inserted.On binding post cover 4, a pair of insertion mouthful 4b, the 4c of being provided with as noted above, clamping terminal 3 makes its first compressing piece 3a inject respectively and inserts among mouthful 4b, the second compressing piece 3b is injected insert among mouthful 4c.At this moment, because the pass of the thickness of slab L2 of the width L1 of separating part 4a and switch plate is L1＞L2, so behind the leading section of the first compressing piece 3a and the second compressing piece 3b and the separating part 4a butt, expanded simultaneously.
Based on this,, can not produce damage owing to the slip of two parts owing to make the first compressing piece 3a and second compressing piece 3b insertion and do not contact (with reference to Fig. 3 (b)) with switch plate 5a.In addition, since cutting part 4a, be L1 greater than the distance between the first compressing piece 3a and the second compressing piece 3b during, make constantly the first compressing piece 3a and the second compressing piece 3b expansion, in other words, switch plate 5a is not formed crimp force, thus also can avoid with switch plate 5a between contact.Then, L1 less than between the first compressing piece 3a and the second compressing piece 3b apart from the time, the first compressing piece 3a and the second compressing piece 3b begin to produce crimp force, but as long as the shape of clamping terminal 3 is set, be limited in Min. with the slip that will when producing above-mentioned crimp force, carry out, just the damage that is caused by slip can be suppressed at required Min. (with reference to Fig. 3 (c)).Thus, even because the central shaft location of clamping terminal 3 and binding post 5 skew, also can significantly reduce the situation as damage or plating exfoliation, so can make the contact resistance between clamping terminal 3 and the binding post 5 keep stable all the time, prevent abnormal heating, and the unnecessary action of the switch 1 (being circuit-breaker under this situation) that causes by this heating in this insertions arrangements of terminal in advance.
But; recent International standardization requires not satisfy certain specification under switch 1 is installed in state on the insertion end stroma 2, particularly satisfy binding post 5 protection class, be for example IP20 of IEC (international standard) 60529 (grade separation (IP coding) of the protection that provides by shell) defined.Therefore, preferably a pair of width L3 (with reference to Fig. 2) that inserts mouthful 4b, 4c is set at and is less than or equal to 12.5mm, append or cost is risen and realize above-mentioned IP 20 simply thereby can not carry out parts.In addition, in this execution mode 1,, can observe the side of binding post cover 4 under the situation of mains side or load-side observation insertion end stroma 2 (briefly, A view on Fig. 1 paper or B view).Therefore, if because that binding post cover 4 is shaped to is transparent or semitransparent, then can observe the contact condition of clamping terminal 3 and binding post 5 just as illustrated in fig. 3, so more preferably.Below, the example that has changed the shape of this binding post cover 4 is described as execution mode 2～4.
Fig. 4 is figure suitable with Fig. 2 in the embodiments of the present invention 2.As described in the background section, owing to be " insert type ", also can increase so infer its plug number of times.That is, as described in enforcement mode 1, for the separating part 4a of the leading section butt of the first compressing piece 3a and the second compressing piece 3b, require to guarantee its durability, keep high strength.Therefore, as shown in Figure 4, by making the thickness of slab of separating part 4a, for example be in a ratio of about 2 times with Fig. 2 (b), thickness of slab than other parts is thicker, simultaneously, thickness adjustment part (being commonly referred to as R) is set on the part suitable with the roof of separating part 4a, thereby can obtain intensity compensation, life-saving at above-mentioned butt.
Fig. 5 (a) is the outward appearance oblique view of the binding post cover in the embodiments of the present invention 3, and Fig. 5 (b) is its profile.Because as described in enforcement mode 2, the plug number of times increases, so preferably improve the sliding of clamping terminal 3 with respect to binding post cover 4.Therefore, as shown in Figure 5, separating part 4a be not before shown in so-called plane, be general triangular but make its section, promptly relative with a pair of insertions mouthful 4b, 4c and inclined-plane 4d is set, the while applies chamfering 4e on the position suitable with the roof of separating part 4a.Based on this, when plug clamping terminal 3, can reduce the power that separating part 4a bears from the first compressing piece 3a and the second compressing piece 3b, can further improve quality stability.
Fig. 6 is the outward appearance oblique view of the binding post cover in the embodiments of the present invention 4.In execution mode 1～3 before,, be contained on the switch plate 5 thereby cover by binding post cover 4 is positioned on the assigned position of insertion end stroma 2.To insert on the panel etc. that arrangements of terminal is arranged on distribution board, directly install under the situation of switch 1 then, even rely on this simple mounting also can not produce very big problem, but as described in the background section, be envisioned that before switch 1 is installed, can produce to a certain degree loosening.In addition, because switch 1 is arranged on the vertical plane usually, so, naturally consider the insertion arrangements of terminal, particularly after distribution board is finished, also be under the state of being kept upright, to take care of, and the inclination when being transported to the scene, thereby must carry out certain maintenance, promptly prevent to fall by the pairs of posts cover.Therefore, as shown in Figure 6, the protruding 4f that is provided for locating on four angles of binding post cover 4 makes simultaneously that to have front end on 2 protruding 4f on the diagonal wherein be the hook-shaped 4g of hook portion.On the other hand, though not shown, have the hole that engages with these protruding 4f on the insertion end stroma 2, thus, during owing to cover attaching terminal cover 4, protruding 4f engages with the hole, by the rubber-like hook 4g of portion through hole portion, can realize stoping binding post cover 4 to extract, promptly prevent to fall simultaneously.Therefore, owing to can provide the insertion that binding post cover 4 is installed reliably arrangements of terminal to the user, so can realize the stabilisation of above-mentioned contact resistance without a doubt in user's side.In addition, as long as above-mentioned location is arranged at least with protruding 4f or hook portion on two angles on the diagonal of binding post cover 4, just can realize stoping binding post cover 4 to extract, promptly prevent to fall.
Claims (9)
1. the insertion arrangements of terminal of a switch, it is by inserting the on/off operation of the switch in the insertion end stroma, make be configured in distribution board on a pair of bonding conductor that is connected of insertion end stroma between conducting or non-conduction, this insertion arrangements of terminal constitutes the leading section by first and second compressing piece that will be installed in the clamping terminal on the switch, be embedded on the switch plate of the binding post that this insertion end stroma had, utilize the above-mentioned switch plate of crimp force clamping between above-mentioned first and second compressing piece, this clamping terminal is by first compressing piece respect to one another and second compressing piece, and the link piece that links above-mentioned first and second compressing piece forms
It is characterized in that,
Cover attaching terminal cover on above-mentioned binding post, this binding post cover has: a pair of insertion mouth, they are used to make first and second compressing piece of above-mentioned clamping terminal to insert; And separating part, it is between above-mentioned a pair of insertion mouth, with above-mentioned switch plate butt.
2. the insertion arrangements of terminal of switch according to claim 1 is characterized in that,
Above-mentioned binding post cover is formed by insulating resin.
3. the insertion arrangements of terminal of switch according to claim 2 is characterized in that,
Above-mentioned binding post cover forms in transparent or semitransparent mode.
4. the insertion arrangements of terminal of switch according to claim 1 is characterized in that,
The width L1 of the separating part of above-mentioned binding post cover and the thickness of slab L2 of switch plate have the relation of L1＞L2.
5. the insertion arrangements of terminal of switch according to claim 1 is characterized in that,
Other parts of the thickness ratio of the separating part of above-mentioned binding post cover are thick, have thickness adjustment part (R) between separating part and other parts simultaneously.
6. the insertion arrangements of terminal of switch according to claim 1 is characterized in that,
The separating part of above-mentioned binding post cover, its section forms general triangular.
7. the insertion arrangements of terminal of switch according to claim 1 is characterized in that,
The separating part of above-mentioned binding post cover applies chamfering on the part suitable with its roof.
8. the insertion arrangements of terminal of switch according to claim 1 is characterized in that,
The projection or the hook portion that on two angles on the diagonal at least of above-mentioned binding post cover, are provided for locating.
9. the insertion arrangements of terminal of switch according to claim 1 is characterized in that,
The a pair of width that inserts mouth of above-mentioned binding post cover forms and is less than or equal to 12.5mm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-189790 | 2007-07-20 | ||
| JP2007189790 | 2007-07-20 | ||
| JP2007189790A JP4884327B2 (en) | 2007-07-20 | 2007-07-20 | Switch terminal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101350456A true CN101350456A (en) | 2009-01-21 |
| CN101350456B CN101350456B (en) | 2011-08-17 |
Family
ID=40269125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100079662A Expired - Fee Related CN101350456B (en) | 2007-07-20 | 2008-02-21 | Inserted terminal device of switch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4884327B2 (en) |
| CN (1) | CN101350456B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103140988A (en) * | 2010-10-01 | 2013-06-05 | 矢崎总业株式会社 | Terminal connection structure |
| CN101923991B (en) * | 2009-06-11 | 2014-05-07 | 三菱电机株式会社 | Insertion terminal and switch |
| CN105374639A (en) * | 2015-11-30 | 2016-03-02 | 国家电网公司 | Plug-in meter front switch device |
| CN108847603A (en) * | 2018-07-26 | 2018-11-20 | 国网山东省电力公司莱芜供电公司 | A kind of protective device of charged for replacement leakage circuit breakers |
| CN111742387A (en) * | 2018-02-23 | 2020-10-02 | 埃伦贝格尔及珀恩斯根有限公司 | Breaker outer casing |
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| CN108288569B (en) * | 2018-03-06 | 2024-01-05 | 浙江金莱勒电气有限公司 | Circuit breaker adapter |
| CN112309787B (en) * | 2020-11-14 | 2021-12-21 | 江苏北辰电气设备有限公司 | Plastic shell type electronic circuit breaker for power distribution |
| CN117438920B (en) * | 2023-10-13 | 2024-05-14 | 临沂施乃通电气技术有限公司 | High-voltage environment-friendly gas switch cabinet |
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| JPS562556A (en) * | 1979-06-22 | 1981-01-12 | Green Cross Corp:The | Aqueous solvent for coagulating test |
| JPS5783647A (en) * | 1980-11-12 | 1982-05-25 | Aisin Seiki Co Ltd | Pressure balancer for multi-cylinder radial engine |
| JP2620863B2 (en) * | 1987-11-18 | 1997-06-18 | 日成ビルド工業株式会社 | Elevating carriage guide device of multi-story parking device |
| CN1041032C (en) * | 1993-04-03 | 1998-12-02 | 施内德电气公司 | Unit for connecting of model low voltage breaker |
| US5652698A (en) * | 1996-02-01 | 1997-07-29 | Eaton Corporation | Bracket assembly for a circuit breaker and an associated method |
| JP3227670B2 (en) * | 1998-02-09 | 2001-11-12 | 富士電機株式会社 | Circuit breaker |
| JP2005019199A (en) * | 2003-06-26 | 2005-01-20 | Terasaki Electric Co Ltd | Terminal device |
-
2007
- 2007-07-20 JP JP2007189790A patent/JP4884327B2/en not_active Expired - Fee Related
-
2008
- 2008-02-21 CN CN2008100079662A patent/CN101350456B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923991B (en) * | 2009-06-11 | 2014-05-07 | 三菱电机株式会社 | Insertion terminal and switch |
| CN103140988A (en) * | 2010-10-01 | 2013-06-05 | 矢崎总业株式会社 | Terminal connection structure |
| CN103140988B (en) * | 2010-10-01 | 2015-05-20 | 矢崎总业株式会社 | Terminal connection structure |
| CN105374639A (en) * | 2015-11-30 | 2016-03-02 | 国家电网公司 | Plug-in meter front switch device |
| CN111742387A (en) * | 2018-02-23 | 2020-10-02 | 埃伦贝格尔及珀恩斯根有限公司 | Breaker outer casing |
| CN108847603A (en) * | 2018-07-26 | 2018-11-20 | 国网山东省电力公司莱芜供电公司 | A kind of protective device of charged for replacement leakage circuit breakers |
| CN108847603B (en) * | 2018-07-26 | 2020-02-21 | 国网山东省电力公司莱芜供电公司 | Protection device for replacing leakage circuit breaker in live mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101350456B (en) | 2011-08-17 |
| JP4884327B2 (en) | 2012-02-29 |
| JP2009026652A (en) | 2009-02-05 |
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Granted publication date: 20110817 Termination date: 20200221 |