CN106847641A - Combined starter - Google Patents
Combined starter Download PDFInfo
- Publication number
- CN106847641A CN106847641A CN201610849497.3A CN201610849497A CN106847641A CN 106847641 A CN106847641 A CN 106847641A CN 201610849497 A CN201610849497 A CN 201610849497A CN 106847641 A CN106847641 A CN 106847641A
- Authority
- CN
- China
- Prior art keywords
- circuit
- cover
- breaker
- leakage
- detection
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
- H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
Abstract
The present invention provides the reduction that can realize miniaturization and manufacturing cost and the combined starter for possessing earth leakage detection functions.In circuit between power supply and load, circuit-breaker (2) is connected in series with electromagnetic contactor (4) via coupling assembly (3), and the detection of electrical leakage portion (15,16,17) of the electric leakage of detection circuit is built-in with coupling assembly.
Description
Technical field
Combined starter the present invention relates to be used as the protection of motor, control equipment.
Background technology
As the protection of motor, control equipment, be known to be referred to as combined starter shutter unit it is (such as non-
Patent document 1).The combined starter rises with by the manual motor of breaker and the function integration of thermorelay
Circuit-breaker (Inturruptor for sub-line) combination electromagnetic contactor known to the title of dynamic device (MMS) and Component units, with compact
Structure carry out the overload of motor, short-circuit protection and operating, stop control.
In the case of constituting combined starter in the panels such as control panel, in the prior art, in circuit-breaker (hand
Dynamic motor starter) coupling assembly of installation special part and electromagnetic contactor between, circuit is broken by the coupling assembly
It is electric, mechanically connected between the load side terminal of road device and the power supply side terminal of electromagnetic contactor (such as non-patent literature 1, specially
Sharp document 1).
Prior art literature
Non-patent literature
Non-patent literature 1：Catalogue " Fuji manual motor starter combined starter " (the 6-7 pages), [online],
Fuji Electric machine system Co., Ltd, [retrieval of on October 10th, 2007], internet<http://
www.fujielectric.co.jp/fcs/jpn/edc/catalog2/EH530b/EH530b_1.pdf>
(System product カ タ ロ グ " Fuji マ ニ ュ ア ル モ ー タ ス タ ー タ U Application ビ ネ ー シ ョ Application ス タ ー タ " (
6-7 Page), [online], Electricity Machine Machine Qi Zhiyu Co., Ltd. of Fuji, [retrieval of Heisei on October 10th, 19], イ Application タ ー ネ ッ ト
＜ http://www.fujielectric.co.jp/fcs/jpn/edc/catalog2/EH530b/EH530 b_1.pdf ＞)
Patent document
Patent document 1：US Patent specification 6472621B2 publications
The content of the invention
Invent problem to be solved
Then, it is considered to connect detection of electrical leakage unit in combined starter, earth leakage detection functions are increased.
But, if configuring detection of electrical leakage unit around combined starter, appearance and size can increase and turn into big
The device of type, and there is problem in terms of manufacturing cost.
Therefore, it is an object of the present invention to provide miniaturization and the reduction of manufacturing cost can be realized and possess electric leakage
Detect the combined starter of function.
Technical teaching for solving the problem was
In order to achieve the above object, circuit of the combined starter of a mode of the invention between power supply and load
In, circuit-breaker is connected in series with electromagnetic contactor via coupling assembly, and the leakage of detection circuit is built-in with coupling assembly
The detection of electrical leakage portion of electricity.
The effect of invention
Combined starter of the invention, can realize miniaturization and the reduction of manufacturing cost and possess detection of electrical leakage
Function.
Brief description of the drawings
Fig. 1 is the figure of the circuit structure of the combined starter for representing first embodiment of the invention.
Fig. 2 is the figure of the outward appearance of the combined starter for representing first embodiment of the invention.
Fig. 3 is the connection group that the combined starter for constituting first embodiment is represented from the side being connected with circuit-breaker
The figure of part.
Fig. 4 is the sectional view of the coupling assembly of the combined starter structure for constituting first embodiment.
Specific embodiment
Then, first embodiment of the invention is illustrated referring to the drawings.In the record of following accompanying drawing, to phase
Same or similar part marks same or similar reference.But, accompanying drawing is the figure being schematically indicated, and should notice thickness
The differences such as degree and relation, ratio of the thickness of each layer of planar dimension etc. and actual relation and ratio.Therefore, specific thickness
Should be judged with reference to the following description with size.Additionally, certainly accompanying drawing each other also including mutual size relation,
The different part of ratio.
Additionally, first embodiment as shown below is the apparatus and method for technological thought of the invention to be embodied
Illustration, the material of component parts, shape, structure, configuration etc. are not determined by the description below in technological thought of the invention.This
Carried out in the technical scope of the requirement content defined that the technological thought of invention can be recorded in the range of patent requirements various
Change.
As depicted in figs. 1 and 2, the combined starter 1 of first embodiment of the invention is by between power supply and load
Circuit in series-connection circuit breaker 2, coupling assembly 3 and electromagnetic contactor 4 and constitute.
The opening and closing contact that main circuit 5 of the circuit-breaker 2 including this 3 phase of R, S, T, the conductor to main circuit 5 are opened and closed
6th, the switching mechanism 7 being opened and closed to opening and closing contact 6, the opening and closing handle 8 that operation is opened and closed to switching mechanism 7 and opening and closing is pulled open
Mechanism 7 and by the shunt tripping device 9 of opening and closing contact 6 breaking (disconnection).In addition, shunt tripping device 9 can be attached as outside
Part is constituted, and is electrically connected with shunt tripping device 9 by by electric-leakage detection circuit described later, can be exported to shunt tripping device 9
Detection of electrical leakage signal.
Electromagnetic contactor 4 include R, S, T this 3 phase main circuit 12, be arranged at main circuit 12 conductor fixed contact 12a
And the moving contact 12b for being contacted with fixed contact 12a, being separate.
Coupling assembly 3 includes being respectively connecting to what is be connected with the conductor of the main circuit 5 of R, S, T of circuit-breaker 2 this 3 phase
Load side terminal 10a~10c and the power supply side terminal being connected with the conductor of the main circuit 12 of R, S, T of electromagnetic contactor 4 this 3 phase
3 conductive connecting 14a~14c of 13a~13c.
Coupling assembly 3 includes zero sequence current mutual inductor 15 and is printed with the printed circuit board (PCB) 17 of electric-leakage detection circuit 16.Leakage
Power detection circuit 16 is supplied to the power for operation from power circuit 19, and the power circuit 19 is by through power line 18 and circuit breaker
The rectification circuit of the conductor connection of the main circuit 5 of device 2 is constituted.
Zero sequence current mutual inductor 15 includes the coil of endless core (not shown) and the tubular periphery wound on endless core of helical
(not shown), has 3 conductive connecting 14a~14c in the cavity portion 15a inserts of endless core.
The combined starter 1 of said structure is in the electric current flowed in 3 conductive connecting 14a~14c due to electric leakage
When becoming imbalance, due to the magnetic flux produced by leakage current (Zero-phase current), the endless core of zero sequence current mutual inductor 15
Magnetic flux state changes.Thus, produce induced voltage in the coil of zero sequence current mutual inductor 15, coil two ends produce with
The suitable voltage of leakage current, therefore the voltage is used as detection of electrical leakage signal output to electric-leakage detection circuit 16.And, have input
The electric-leakage detection circuit 16 of detection of electrical leakage signal disconnects control signal to the output of shunt tripping device 9.Thus, in circuit-breaker
Shunt tripping device 9 is switched off (disconnection) by turning off control, opening and closing contact 6 to switching mechanism 7 in 2.
Then, Fig. 3 and Fig. 4 are shown in detail in the structure of coupling assembly 3.
As shown in figure 3, the coupling assembly 3 is configured with conductive connecting 14a~14c, installation in the inside of package shell 21
The electronic unit for having zero sequence current mutual inductor 15 and the grade of capacitor 20 and the printed circuit board (PCB) for being printed with electric-leakage detection circuit 16
17。
As shown in figure 4, package shell 21 includes housing main body 22 and is removably mountable on the housing main body 22
First cover 28 and the second cover 29.
Housing main body 22 is formed with the mounting table 23 of mounting electromagnetic contactor 4, and including the first accommodation space 25 and the
Two accommodation spaces 27, in side (left side of Fig. 4) opening being connected with circuit-breaker 2, this second for first accommodation space 25
Set across spaced walls 26 between the accommodation space 25 of accommodation space 27 and first, be other space, with electromagnetic contactor 4
Side (right side of Fig. 4) opening of connection.
Zero sequence current mutual inductor 15 and the grade electronic component of capacitor 20 and printed circuit are received in the first accommodation space 25
Plate 17.
Zero sequence current mutual inductor 15 is welded with the line of the periphery for being wound in endless core in the assigned position of printed circuit board (PCB) 17
Circle, is installed with the state that an axial end face of endless core is abutted with the mounting surface of printed circuit board (PCB) 17.With zero-sequence current
The printed circuit board (PCB) 17 that the cavity portion 15a of transformer 15 is relative is formed with substrate inserting hole 30.
The cavity for extending to zero sequence current mutual inductor 15 is fixed with the inner circumferential of the substrate inserting hole 30 of printed circuit board (PCB) 17
The connecting line guide portion 31 of portion 15a.As shown in figure 3, the connecting line guide portion 31 is shape substantially in the way of Y-shaped by cross section
Into being to be formed with the part that guide recess 31a at three~31c is formed in the circumferential.
As shown in figure 4, be provided with the printed circuit board (PCB) 17 of zero sequence current mutual inductor 15 and the grade electronic unit of capacitor 20 with
The state abreast relative with spaced walls 26, it is removably mounted at using combinations such as buckles and is formed with the first accommodation space
25 inwall.
Additionally, 3 conductive connecting 14a~14c inserts are being formed at inserting hole 26a, the printed circuit board (PCB) of spaced walls 26
17 substrate inserting hole 30 and the cavity portion 15a of zero sequence current mutual inductor 15.Now, 3 the one of conductive connecting 14a~14c
Part enters the guide recess 31a~31c of the connecting line guide portion 31 for being fixed on printed circuit board (PCB) 17 and is directed.
Extend to 3 conductive connecting 14a~14c of the side of circuit-breaker 2 (left side of Fig. 4) from zero sequence current mutual inductance
The cavity portion 15a of device 15 out backward direction bendings separated from one another, and further to curved with the direction that circuit-breaker 2 is connected
It is bent.
Then, the end for extending to 3 conductive connecting 14a~14c of the side of circuit-breaker 2 is inserted through and is formed at
The cover inserting hole 28a of the first cover 28.Then, the first cover 28 is closed into the first receipts installed in housing main body 22
Receive the opening portion in space 25, thus, 3 ends of the side of circuit-breaker 2 of conductive connecting 14a~14c are by housing main body
22 and first cover 28 support.
On the other hand, 3 conductive connecting 14a~14c of the side of electromagnetic contactor 4 are extended to from inserting hole 26a out
Backward second accommodation space 27 bends, and further to the direction bending being connected with electromagnetic contactor 4.
Then, the end for extending to 3 conductive connecting 14a~14c of the side of electromagnetic contactor 4 is inserted through and is formed at
The cover inserting hole 29a of the second cover 29.Then, the second cover 29 is closed into the second receipts installed in housing main body 22
Receive the opening portion in space 27, thus, 3 ends of the side of electromagnetic contactor 4 of conductive connecting 14a~14c are by housing main body
22 and second cover 29 support.
So, coupling assembly 3 is following structure：The printed circuit board (PCB) 17 for being fixed with zero sequence current mutual inductor 15 is fixed on
The inwall of housing main body 22, the substrate inserting hole 30 of cavity portion 15a and printed circuit board (PCB) 17 from zero sequence current mutual inductor 15 is worn
The 3 conductive connecting 14a~14c for crossing removably are fixed on first cover 28 and the second cover of housing main body 22
29 supportings.
Then, the effect to the combined starter 1 of first embodiment is illustrated.
The coupling assembly 3 for constituting the combined starter 1 of first embodiment is built-in with for detecting in package shell 21
The zero sequence current mutual inductor 15 of the electric leakage of the circuit between power supply and load and the grade electronic unit of capacitor 20 and it is provided with Lou
The printed circuit board (PCB) 17 of power detection circuit 16, therefore, it is possible to possess earth leakage detection functions, additionally it is possible to realize miniaturization.
Additionally, what the combined starter 1 of first embodiment flowed in the conductive connecting 14a~14c of coupling assembly 3
Electric current becomes imbalance and when the coil of zero sequence current mutual inductor 15 produces induced voltage, detects the detection of electrical leakage electricity of electric leakage
Road 16 disconnects control signal to the output of shunt tripping device 9 of circuit-breaker 2, and opening and closing contact 6 is breaking (disconnection), therefore not
Only can be used as protection, the control equipment of load (motor), additionally it is possible to as RCCB.
Additionally, because coupling assembly 3 is the printed circuit board (PCB) 17 for being fixed with zero sequence current mutual inductor 15 is fixed on shell
The inwall of main body 22,3 passed through from the cavity portion 15a of zero sequence current mutual inductor 15 and the substrate inserting hole 30 of printed circuit board (PCB) 17
Individual conductive connecting 14a~14c is removably fixed on first cover 28 and the second cover 29 of housing main body 22
The simple structure held, it is possible to realizing the reduction of manufacturing cost.
The explanation of reference
1 combined starter
2 circuit-breakers
3 coupling assemblies
4 electromagnetic contactors
The main circuit of 5 circuit-breakers
6 opening and closing contacts
7 switching mechanisms
8 opening and closing handles
9 shunt tripping devices
The load side terminal of 10a~10c circuit-breakers
The main circuit of 12 electromagnetic contactors
12a fixed contacts
12b moving contacts
The power supply side terminal of 13a~13c electromagnetic contactors
14a~14c conductive connectings
15 zero sequence current mutual inductors
15a cavity portions
16 electric-leakage detection circuits
17 printed circuit board (PCB)s
18 power lines
19 power circuits
20 capacitors
21 package shells
22 housing main bodies
23 mounting tables
25 first accommodation spaces
26 spaced walls
26a inserting holes
27 second accommodation spaces
28 first covers
28a cover inserting holes
29 second covers
29a cover inserting holes
30 substrate inserting holes
31 connecting line guide portions
31a~31c guide recess.
Claims (4)
1. a kind of combined starter, it is characterised in that：
In circuit between power supply and load, circuit-breaker is connected in series with electromagnetic contactor via coupling assembly,
The detection of electrical leakage portion of the electric leakage for detecting the circuit is built-in with the coupling assembly.
2. combined starter as claimed in claim 1, it is characterised in that：
The circuit-breaker includes the switching mechanism being opened and closed to opening and closing contact and turns off control to the switching mechanism
Shunt tripping device,
The shunt tripping device is entered by being input into control signal from the detection of electrical leakage portion for detecting the circuit electric leakage
The disconnection control of the row switching mechanism.
3. combined starter as claimed in claim 1 or 2, it is characterised in that：
The coupling assembly includes being connected to the load side terminal of the circuit-breaker and the mains side of the electromagnetic contactor
Multiple conductive connectings of terminal,
The detection of electrical leakage portion be configured with package shell using the multiple conductive connecting as primary conductor to detect
State the zero sequence current mutual inductor of the out-of-balance current of circuit and be printed with and leakage is detected according to the output valve of the zero sequence current mutual inductor
The printed circuit board (PCB) of the electric-leakage detection circuit of electricity.
4. combined starter as claimed in claim 3, it is characterised in that：
The package shell includes：
It is provided with the housing main body of accommodation space；With
Will be sealed in the opening portion of the circuit-breaker side of the accommodation space and the side opening of the electromagnetic contactor one
The mode closed is removably mounted at the first cover and the second cover on the housing main body,
The printed circuit board (PCB) for being fixed with the zero sequence current mutual inductor is fixed in the inwall of the housing main body, through institute
The cavity portion of zero sequence current mutual inductor and multiple conductive connectings of the printed circuit board (PCB) are stated to insert first cover
Mode with the second cover is supported by first cover and the second cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015217945A JP2017091696A (en) | 2015-11-05 | 2015-11-05 | Combination starter |
| JP2015-217945 | 2015-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106847641A true CN106847641A (en) | 2017-06-13 |
Family
ID=58768310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610849497.3A Pending CN106847641A (en) | 2015-11-05 | 2016-09-23 | Combined starter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2017091696A (en) |
| CN (1) | CN106847641A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157149U (en) * | 1987-04-01 | 1988-10-14 | ||
| JPH0472804U (en) * | 1990-10-31 | 1992-06-26 | ||
| US5252933A (en) * | 1990-07-16 | 1993-10-12 | Terasaki Denki Sangyo Kabushiki Kaisha | Circuit breaker including forced contact parting mechanism capable of self-retaining under short circuit condition |
| CN2336471Y (en) * | 1998-01-10 | 1999-09-01 | 王心钤 | Leakage current breaker with open-phase power-on indication |
| JP2000197257A (en) * | 1998-12-28 | 2000-07-14 | Schneider Electric Ind Sa | Ground fault circuit interrupter |
| CN202102990U (en) * | 2011-06-13 | 2012-01-04 | 东莞基业电气设备有限公司 | Detachable electric leakage module of circuit breaker |
| CN202930339U (en) * | 2012-12-01 | 2013-05-08 | 温州创伟永吉电气有限公司 | Assembled circuit breaker with overcurrent protection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001069623A (en) * | 1999-08-27 | 2001-03-16 | Mitsubishi Electric Corp | Control unit of control center |
-
2015
- 2015-11-05 JP JP2015217945A patent/JP2017091696A/en not_active Withdrawn
-
2016
- 2016-09-23 CN CN201610849497.3A patent/CN106847641A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157149U (en) * | 1987-04-01 | 1988-10-14 | ||
| US5252933A (en) * | 1990-07-16 | 1993-10-12 | Terasaki Denki Sangyo Kabushiki Kaisha | Circuit breaker including forced contact parting mechanism capable of self-retaining under short circuit condition |
| JPH0472804U (en) * | 1990-10-31 | 1992-06-26 | ||
| CN2336471Y (en) * | 1998-01-10 | 1999-09-01 | 王心钤 | Leakage current breaker with open-phase power-on indication |
| JP2000197257A (en) * | 1998-12-28 | 2000-07-14 | Schneider Electric Ind Sa | Ground fault circuit interrupter |
| CN202102990U (en) * | 2011-06-13 | 2012-01-04 | 东莞基业电气设备有限公司 | Detachable electric leakage module of circuit breaker |
| CN202930339U (en) * | 2012-12-01 | 2013-05-08 | 温州创伟永吉电气有限公司 | Assembled circuit breaker with overcurrent protection |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017091696A (en) | 2017-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
|
| WD01 | Invention patent application deemed withdrawn after publication |