CN102760615A - Electronic circuit breaker - Google Patents

Electronic circuit breaker Download PDF

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Publication number
CN102760615A
CN102760615A CN2011103388481A CN201110338848A CN102760615A CN 102760615 A CN102760615 A CN 102760615A CN 2011103388481 A CN2011103388481 A CN 2011103388481A CN 201110338848 A CN201110338848 A CN 201110338848A CN 102760615 A CN102760615 A CN 102760615A
Authority
CN
China
Prior art keywords
lead
baffle
cap
wires
many
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.)
Pending
Application number
CN2011103388481A
Other languages
Chinese (zh)
Inventor
冈本真一
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
Publication of CN102760615A publication Critical patent/CN102760615A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04Means for indicating condition of the switching device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • H01H71/0214Housing or casing lateral walls containing guiding grooves or special mounting facilities
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303Bases or feet

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)

Abstract

An electronic circuit breaker is provided to protect lead wires while maintaining flexibility of the lead wires. The electronic circuit breaker comprises a flexible protection plate(10) which is maintained near an export port (9) for a plurality of the lead wires (4) of a cover (4) for protecting the plurality of lead wires extending along the flexible protection plate. The flexible protection plate (10) comprises an outlet (10c) formed at one end of the flexible protection plate for leading out the plurality of lead wires guided out by the export port of the cover, a bent section (10d) capable of being bent and formed in the middle of the flexible protection plate, and a binding unit (10e) formed at the other end of the flexible protection plate for binding the plurality of lead wires. The plurality of lead wires are led out from the outlet (10c), extend along the bent section (10d), and are bound at the binding unit (10e). The flexible protection plate bends at the bent section (10d) along with the opening and closing of the cover.

Description

Electronic circuit breaker
Technical field
The present invention relates to a kind of electronic circuit breaker, it has: current transformer, and it detects the electric current of alternating current circuit; Trip circuit portion, it detects union according to the output of this current transformer to the electric current that flows through alternating current circuit; Cap, it has the display part that shows electric parameter etc., The present invention be more particularly directed to a kind of Wiring construction of lead-in wire.
Background technology
Electronic circuit breaker has: current transformer, and it detects the electric current of each phase of alternating current circuit respectively; Trip circuit portion, it is built-in with according to 2 times of above-mentioned current transformer output, the electric current that flows through alternating current circuit etc. is detected the electronic circuit of union; And cap, it has the result who calculates according to trip circuit portion, shows the display part of the electric current flow through alternating current circuit etc., and the display part of trip circuit portion and cap is connected by going between.The necessary distribution of this lead-in wire is not for to interfere with the portion of mechanism (movable part) of circuit-breaker and the structural member of display part each other.The electric wire Wiring construction current, that the portion of mechanism with circuit-breaker of in patent documentation 1 grade for example, having proposed to prevent to go between interferes.
Patent documentation 1: japanese kokai publication hei 4-312732 communique (Fig. 1)
Summary of the invention
Existing circuit-breaker shown in the patent documentation 1 carries out under the situation of distribution making as the lead-in wire of the alarm contact of the accessory periphery through electromagnetic trip device, will between movable part and lead-in wire, be inserted by the baffle that sheet materials such as polyester film constitute; And; Utilize heat-shrinkable tube that lead-in wire is tied up, lead-in wire is fixed on the baffle, thereby distribution is protected; But need heat-shrinkable tube, existence needs the problem of bigger configuration space.
In addition, owing to will go between and baffle utilizes heat-shrinkable tube to fix, therefore, under the situation that forms the structure that lead-in wire can swing, be not suitable for.
The present invention proposes in order to solve above-mentioned problem, and its purpose is, obtains a kind of electronic circuit breaker, and it is tied up a plurality of lead-in wires with the form of not using heat-shrinkable tube, under the state of the bendability that keeps lead-in wire, lead-in wire is protected.
Electronic circuit breaker involved in the present invention has: current transformer, and it detects the electric current of alternating current circuit; Trip circuit portion, it detects the electric current that flows through alternating current circuit according to the output of said current transformer, based on testing result, the electromagnetic trip device transmission actuating signal to portion of driven opening mechanism; Cap to be opened/closed, it has demonstration based on the display part from the content of the signal of said trip circuit portion; And many lead-in wires; Its display part with said trip circuit portion and said cap is connected; This electronic circuit breaker is characterised in that to have the pliability baffle, and it remains near the export mouth of a plurality of said lead-in wires of said cap; Make many said lead-in wires extend and many said lead-in wires are protected along the pliability baffle; Said pliability baffle has: outlet, and it is formed on an end of this pliability baffle, will draw from the many said lead-in wires that the export mouth of said cap is derived; Bent kink, it is formed on the pars intermedia of this pliability baffle; And tie part; It is formed on the other end of this pliability baffle; Many said lead-in wires are tied up, many said lead-in wires are drawn from said outlet, tie up along said kink extension and at said tie part place; Said pliability baffle is accompanied by the switching of said cap, bends at said kink place.
The effect of invention
According to electronic circuit breaker of the present invention; Utilization remains near the pliability baffle of export mouth of many lead-in wires of cap; Make many lead-in wires that the display part to trip circuit portion and cap is connected extend and tie up, therefore, be accompanied by the switching of cap at the tie part place along kink; Make the kink bending; Many lead-in wires are protected under the state that keeps bendability, therefore, can all of a sudden many lead-in wires not sandwiched the switching that between cap and the top framework, perhaps hinders cap.
Description of drawings
Fig. 1 is illustrated in the electronic circuit breaker of execution mode 1 of the present invention, will have the oblique view of the cap closing state of display part.
Fig. 2 is illustrated in the electronic circuit breaker of execution mode 1, will have the oblique view of the state that the cap of display part opens.
Fig. 3 is the rearview of cap, is illustrated in the electronic circuit breaker of execution mode 1, is installed in the Wiring construction of the lead-in wire on the baffle.
Fig. 4 is illustrated in the electronic circuit breaker of execution mode 1, will have the side section partial view of the state that the cap of display part opens.
Fig. 5 is illustrated in the electronic circuit breaker of execution mode 1, will have the sectional side view of the cap closing state of display part.
Fig. 6 is the vertical view of the baffle that in the electronic circuit breaker of execution mode 1, uses.
Embodiment
Execution mode 1
Fig. 1~Fig. 5 is the figure relevant with the electronic circuit breaker of execution mode 1 of the present invention, and Fig. 1 is the oblique view that expression will have the cap closing state of display part.Fig. 2 is the oblique view that expression will have the state that the cap of display part opens.Fig. 3 is the rearview of cap, and the Wiring construction that is installed in the lead-in wire on the baffle is shown.Fig. 4 is the side section partial view that expression will have the state that the cap of display part opens.Fig. 5 is the sectional side view that expression will have the cap closing state of display part.
In Fig. 1, electronic circuit breaker 100 utilizes the framework that is formed by insulating material and constitutes, and this framework is made up of bottom framework 1 and top framework 2.On bottom framework 1, dispose: with the corresponding current transformer of number of poles (not shown), each alternating current circuit runs through this current transformer separately, is detected the electric current of each alternating current circuit by current transformer; 1 group of trip circuit portion (not shown), it is built-in with according to 2 times of above-mentioned current transformer output, the electric current that flows through alternating current circuit etc. is detected the electronic circuit of union; And electromagnetic trip device (not shown), it drives the open-close mechanism section with known elbow-bar mechanism.Utilize trip circuit portion, the electric current that flows through each alternating current circuit etc. is detected union,, send actuating signal to the electromagnetic trip device of portion of driven opening mechanism based on operation result.
Said current transformer, trip circuit portion, electromagnetic trip device on the top framework 2 covering bottom frameworks 1, the operating grip 3 of open-close mechanism section be framework 2 protrusions from top.On top framework 2,, be provided with cap 4 to be opened/closed in order on the auxiliary equipment installation portion 7 of electronic circuit breaker 100, to dispose auxiliary equipment.In execution mode 1, an end of cap 4 and top framework 2 articulates, can open and close with 90 ° angular turn roughly.Cap 4 possesses display part 5 with liquid crystal display face 5a and console switch 6 etc. from the teeth outwards, has the liquid crystal display circuit portion of display part 5 in the inside of cap 4.The display part 5 of the electronic circuit of trip circuit portion and cap 48 is connected by many lead-in wires, and 5 pairs of display parts are based on showing from the content of the signal of trip circuit portion (for example, the accident condition of the electric current of each phase, voltage, power and each phase etc.).
The oblique view of the state of the auxiliary equipment of electronic circuit breaker 100 being installed on the auxiliary equipment installation portion 7 that Fig. 2 is expression for portion's framework 2 upwards and cap 4 being opened.Fig. 3 representes the back side of cap 4, and expression is installed in the Wiring construction of the lead-in wire 8 on the baffle (screening glass) 10.
The electronic circuit of the trip circuit portion that is positioned at the liquid crystal display circuit portion of the inner display part 5 of cap 4 and is supported and covered by top framework 2 by bottom framework 1 utilizes a plurality of lead-in wires 8 to connect.The a plurality of lead-in wires 8 that are connected with the liquid crystal display circuit portion of display part 5 are derived from the export mouth 9 of the lower backside that is arranged on cap 4.On the export mouth 9 of the lead-in wire 8 of cap 4, dispose pliability baffle (screening glass) 10, it covers export mouth 9, and remain on export mouth 9 circumference or export mouth 9 near.Baffle 10 is for example formed by sheet materials such as polyester films.
Fig. 6 is the vertical view of pliability baffle 10.With reference to Fig. 6 and Fig. 3, on an end of baffle 10, form expansion section 10a, it covers export mouth 9 and bigger than export mouth 9, and the both sides of the chest of 10a are formed with the 10b of ear in the expansion section.The 10b of ear inserts in the 9a of the hole of the both sides of the chest of export mouth 9 and engages, and baffle 10 is remained on the circumference of export mouth 9.In order baffle 10 to be remained on the circumference of export mouth 9, also can the circumference of baffle 10 and export mouth 9 is bonding.On the 10a of expansion section, also be formed with outlet 10c, it runs through wherein connector 8a and a plurality of lead-in wire 8 of lead-in wire 8 front end and draws.Pars intermedia at baffle 10 is formed with bent kink 10d, and it makes a plurality of lead-in wires 8 extend along kink, and a plurality of lead-in wires 8 are protected.Be formed with the tie part 10e that many lead-in wires 8 are tied up in the other end of baffle 10.Tie part 10e is S word shape roughly, from otch 10f many lead-in wires are inserted, many lead-in wires 8 by from the front of baffle 10 to the back side, connect to the front from the back side again, 8 be banded on the tie part 10e of baffle 10 thereby will many go between.Pliability baffle 10 forms expansion section 10a, kink 10d and tie part 10e.
Baffle 10 is along the many lead-in wires 8 of drawing from the export mouth 9 of cap 4; Be configured in top framework 2 and go between between 8; Lead-in wire is protected; Many 8 outlet 10c, the kink 10d through baffles 10 that go between from the export mouth 9 of cap 4 is drawn are tied up at tie part 10e place, and the connector 8a of lead-in wire 8 is connected with trip circuit portion.A said end of baffle 10 is the expansion section 10a that are formed with the outlet 10c of many lead-in wires 8; Said expansion section 10a is inaccessible and remain on the circumference of export mouth 9 with the export mouth of many of cap 4 lead-in wires 89, can also play the effect that the export mouth of cap 49 is inaccessible.
Fig. 4 is the side-looking section partial view of the state of lead-in wire 8 and baffle 10 under the open mode of presentation graphs 2.They constitute, though cap 4 rotates the distance between cap 4 and the top framework 2 are drawn back, even turn under the state that can't rotate again at cap 4, and the many surplus length that lead-in wire 8 also has to a certain degree.At this moment, many lead-in wires 8 extend along baffle, and baffle 10 is sentenced the approximate right angle bending at kink 10d.
Fig. 5 is the side cutaway view of the state of lead-in wire 8 and baffle 10 under the closed condition of presentation graphs 1.Because it is as shown in Figure 4 under the state that cap 4 is opened; The many surplus length that lead-in wire 8 has to a certain degree; So the many lead-in wire 8 tie part 10e by the other end that is arranged on baffle 10 tie up; Under the situation that cap 4 is closed, can many lead-in wires 8 not sandwiched the action that between cap 4 and the top framework 2, perhaps hinders the rotating part of cap 4.Therefore, though owing to the rotation of cap 4 makes 8 swings of many lead-in wires, can be not at random, but be housed among the 2b of lead-line configuration portion that is arranged on the top framework 2.At this moment, many lead-in wires 8 extend along baffle, and baffle 10 is sentenced roughly U word shape bending at kink 10d.
As stated; According to the electronic circuit breaker of execution mode 1, utilize near the pliability baffle of export mouth of many lead-in wires that remain on cap, the many lead-in wires that will be connected the display part of trip circuit portion and cap are tied up along the kink extension and at the tie part place; Therefore; Be accompanied by the switching of cap, make the kink bending, many lead-in wires are protected under the state that keeps bendability; Therefore, can all of a sudden many lead-in wires not sandwiched the switching that between cap and the top framework, perhaps hinders cap.
In addition; Electronic circuit breaker according to execution mode 1; Many lead-in wires are protected through the baffle between the movable part that is configured in many circuit-breakers in the top framework that goes between and be contained in, and utilize can be corresponding with the rotation of cap and structure swing is protected.Because many lead-in wires are tied up by the tie part on the other end that is arranged on baffle, therefore, can be corresponding and swing with the switching of cap, even under the situation that cap is closed, also be housed in reliably in the configuration space of lead-in wire.Because baffle is maintained on the cap, and at the tie part place of baffle lead-in wire is tied up, and therefore, even the tie part of many lead-in wires is swung along with the switching of cap, also can not come off.

Claims (3)

1. electronic circuit breaker, it has: current transformer, it detects the electric current of alternating current circuit; Trip circuit portion, it detects the electric current that flows through alternating current circuit according to the output of said current transformer, based on testing result, the electromagnetic trip device transmission actuating signal to portion of driven opening mechanism; Cap to be opened/closed (4), it has demonstration based on the display part (5) from the content of the signal of said trip circuit portion; And many lead-in wires (8), its display part (5) with said trip circuit portion and said cap (4) is connected,
This electronic circuit breaker is characterised in that,
Have pliability baffle (10), it remains near the export mouth (9) of a plurality of said lead-in wire (8) of said cap (4), makes many said lead-in wires (8) extend and many said lead-in wires (8) are protected along the pliability baffle,
Said pliability baffle (10) has:
Outlet (10c), it is formed on an end of this pliability baffle, will draw from the many said lead-in wires (8) that the export mouth (9) of said cap (4) is derived;
Bent kink (10d), it is formed on the pars intermedia of this pliability baffle; And
Tie part (10e), it is formed on the other end of this pliability baffle, many said lead-in wires (8) is tied up,
Many said lead-in wires (8) are drawn from said outlet (10c), locate to tie up along said kink (10d) extension and at said tie part (10e), said pliability baffle (10) is accompanied by the switching of said cap (4), locates bending at said kink (10d).
2. electronic circuit breaker according to claim 1 is characterized in that,
A said end of said pliability baffle (10) is the expansion section (10a) that is formed with the said outlet (10c) of many said lead-in wires (8); Said expansion section (10a) remains on said export mouth (9) obturation of the lead-in wire (8) of said cap (4) on the circumference of said export mouth (9).
3. electronic circuit breaker according to claim 1 and 2 is characterized in that,
To the said tie part (10e) that many lead-in wires (8) are tied up, be tie part (10e) with S word shape of otch (10f).
CN2011103388481A 2011-04-28 2011-10-31 Electronic circuit breaker Pending CN102760615A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011100984A JP2012234652A (en) 2011-04-28 2011-04-28 Electronic circuit breaker
JP2011-100984 2011-04-28

Publications (1)

Publication Number Publication Date
CN102760615A true CN102760615A (en) 2012-10-31

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ID=46887985

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Application Number Title Priority Date Filing Date
CN2011103388481A Pending CN102760615A (en) 2011-04-28 2011-10-31 Electronic circuit breaker

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JP (1) JP2012234652A (en)
KR (1) KR101178021B1 (en)
CN (1) CN102760615A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0779641A1 (en) * 1995-12-14 1997-06-18 Legrand Spacermodule, in particular for modular electrical apparatus
CN1537408A (en) * 2001-07-31 2004-10-13 ��ʿͨ��ʽ���� Portable apparatus
CN1862746A (en) * 2005-05-11 2006-11-15 三菱电机株式会社 Circuit breaker with electrify information processing function
CN200987182Y (en) * 2006-12-21 2007-12-05 谷永刚 720 degree screen-rolling handset

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60151184U (en) * 1984-03-19 1985-10-07 株式会社山武 Flat cable holding device
JPH01123845U (en) * 1988-02-10 1989-08-23
US4870531A (en) * 1988-08-15 1989-09-26 General Electric Company Circuit breaker with removable display and keypad
KR200258048Y1 (en) 2001-07-26 2001-12-29 정운태 Select digital display elb
JP5116028B2 (en) * 2008-03-04 2013-01-09 アツミ電氣株式会社 Cable guide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0779641A1 (en) * 1995-12-14 1997-06-18 Legrand Spacermodule, in particular for modular electrical apparatus
CN1537408A (en) * 2001-07-31 2004-10-13 ��ʿͨ��ʽ���� Portable apparatus
CN1862746A (en) * 2005-05-11 2006-11-15 三菱电机株式会社 Circuit breaker with electrify information processing function
CN200987182Y (en) * 2006-12-21 2007-12-05 谷永刚 720 degree screen-rolling handset

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Publication number Publication date
JP2012234652A (en) 2012-11-29
KR101178021B1 (en) 2012-08-29

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Application publication date: 20121031