CN102163520B - Integral electronic module of intelligent molded case circuit breaker - Google Patents

Integral electronic module of intelligent molded case circuit breaker Download PDF

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Publication number
CN102163520B
CN102163520B CN 201110052034 CN201110052034A CN102163520B CN 102163520 B CN102163520 B CN 102163520B CN 201110052034 CN201110052034 CN 201110052034 CN 201110052034 A CN201110052034 A CN 201110052034A CN 102163520 B CN102163520 B CN 102163520B
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magnetic flow
flow convertor
holder
wiring board
recess
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CN102163520A (en
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林观锏
陈细金
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Xiamen Hongfa Electrical Safety and Controls Co Ltd
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XIAMEN HONGMEI ELECTRONIC CO Ltd
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Abstract

The invention discloses an integral electronic module of an intelligent molded case circuit breaker, and the integral electronic module comprises a box type support capable of being integrally plug-in connected or fixed in a case of the molded case circuit breaker, a magnetic flux convertor, a plurality of electronic transformers and a circuit board, wherein the circuit board is fixed at the top part of the box type support, the magnetic flux converter is arranged in the middle part of the box type support, the plurality of the electronic transformers are arranged in the bottom part of the box type support in parallel, the outputs of all the electronic transformers are connected with the input of the circuit board respectively, and the output of the circuit board is connected with the magnetic flux converter. By integrating the magnetic flux converter, the electronic transformers and the circuit board into one module, on the one hand, the disadvantage that the structure of the circuit board is not compact because the structures of electronic devices in the prior art are dispersed is solved, on the other hand, the electronic devices for the circuit breaker have the characteristics of being convenient for disassembly and assembly, convenient to test and convenient to maintain.

Description

A kind of integral electronic module of intelligent of molded case circuit breaker
Technical field
The present invention relates to a kind of molded case circuit breaker, particularly relate to a kind of integral electronic module of intelligent of molded case circuit breaker.
Background technology
Breaker of plastic casing is a kind of in circuit breaker, moulds shell and refers to the shell that is used as device with plastic insulation, is used between insulated conductor and the grounded metal part.Breaker of plastic casing generally is used as distribution; also can be the use of protection motor; breaker of plastic casing is installed in circuit and can be protected load equipment; anomaly appears in circuit; during as electric leakage, overload or short circuit; breaker of plastic casing can in time cut off the power supply to load equipment, reaches the purpose of protection circuit, load equipment and personal safety.Molded case circuit breaker generally includes housing, release, contact component, magnetic flow convertor, electric mutual inductor and is provided with the wiring board of control circuit, and wherein magnetic flow convertor, electric mutual inductor and wiring board are electronic device; Release, contact component, magnetic flow convertor, electric mutual inductor and wiring board are loaded on respectively the correspondence position of housing; Contact component is connected in the circuit of load equipment power supply; Contact component is connected with release, utilizes release to realize the disjunction of the dynamic and static contact of contact component; Magnetic flow convertor is connected with release, utilizes magnetic flow convertor to drive the release action; Electric mutual inductor is used for the curtage of induction line, and by wiring board to the magnetic flow convertor output signal, drive magnetic flow convertor work.Existing this breaker of plastic casing, its electronic device is contained in respectively the diverse location of housing, namely, magnetic flow convertor, electric mutual inductor and wiring board are the diverse locations that is contained in respectively housing, this structure is mainly brought following drawback: the one, and, the structure of electronic device is disperseed, and causes structure not compact; The 2nd,, the dismounting of electronic device is inconvenient; The 3rd,, be not easy to electronic device is tested, during test, need whole breaker of plastic casing is brought to test; The 4th,, be not easy to the maintenance of electronic device, when certain electronic device breaks down, need the whole breaker of plastic casing of dismounting.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, a kind of integral electronic module of intelligent of molded case circuit breaker is provided, by magnetic flow convertor, electric mutual inductor and wiring board being incorporated in a module, on the one hand, solved the not compact drawback of breaker structure that in original technology, the electronic device structure dispersion causes, on the other hand, make the electronic device for circuit breaker have easy accessibility, convenient test and characteristics easy to maintenance.
The technical solution adopted for the present invention to solve the technical problems is: a kind of integral electronic module of intelligent of molded case circuit breaker comprises that one can wholely peg graft or be fixed on interior cassette rack, a magnetic flow convertor, a plurality of electric mutual inductor and the wiring board of housing of breaker of plastic casing; Wiring board is fixed on the top of cassette rack, magnetic flow convertor is contained in the middle part of cassette rack, a plurality of electric mutual inductors are contained in the bottom of cassette rack side by side, and the output of each electric mutual inductor is connected with the input of wiring board respectively, and the output of wiring board is connected with magnetic flow convertor.
Described cassette rack is made of wiring board fixed bin, magnetic flow convertor holder and instrument transformer holder, and the wiring board fixed bin is fixed on the upper end of magnetic flow convertor holder, and the magnetic flow convertor holder is fixed on the upper end of instrument transformer holder; Described wiring board is contained in the top of wiring board fixed bin; Described magnetic flow convertor is contained between wiring board fixed bin and magnetic flow convertor holder; Described electric mutual inductor is contained between magnetic flow convertor holder and instrument transformer holder.
Described wiring board is installed on the top of wiring board fixed bin, is provided with buckle on the top of wiring board fixed bin, the wiring board top at the wiring board fixed bin fixed by snap.
described magnetic flow convertor clamps the top that is fixed on the magnetic flow convertor holder, be provided with opening up on the top of a side of magnetic flow convertor holder and be the first recess that holds the bottom of magnetic flow convertor, the bottom of magnetic flow convertor is fixed in the first recess of magnetic flow convertor holder, be provided with downward opening in the middle and lower part of a side of wiring board fixed bin and be the second recess that holds the middle and upper part of magnetic flow convertor, the front and back of this second recess are respectively equipped with the first breach so that hold the release that wherein magnetic flow convertor can expose with breaker of plastic casing and link, surrounded the container cavity of magnetic flow convertor by the first recess of the second recess of wiring board fixed bin and magnetic flow convertor holder.
Described a plurality of electric mutual inductor is inserted into respectively in the instrument transformer holder side by side, be provided with side by side a plurality of opening uply and be the 3rd recess of plug-in mounting electric mutual inductor of coincideing in the instrument transformer holder, the front and back of the 3rd recess are respectively equipped with the second breach so that corresponding copper coin or wire can pass the electric mutual inductor of packing into wherein; Be provided with the rib of a plurality of downward protrusions at the middle part of the bottom of magnetic flow convertor holder, the bottom of rib is pressed on electric mutual inductor, the pressing down in the 3rd recess that is fixed on the instrument transformer holder of the rib of electric mutual inductor by the magnetic flow convertor holder.
The front and back of the bottom of described magnetic flow convertor holder are provided with shield to downward-extension respectively corresponding to the position of each rib, this front and back shield difference corresponding matching is in the front and back of the 3rd recess of instrument transformer holder the second indentation, there, and part hides in the middle and upper part of the front and back of the 3rd recess the second breach.
The integral electronic module of intelligent of a kind of molded case circuit breaker of the present invention, that magnetic flow convertor, electric mutual inductor and wiring board with breaker of plastic casing is integrated into an electronic module, this electronic module is the boxlike shape of a flat-square shaped, its width and height are greater than thickness, like this, only need a slot is set in the housing of breaker of plastic casing, make this electronic module can insert in the housing of breaker of plastic casing and match with corresponding parts, such as matching with release etc.Certainly, also integral electronic module of intelligent can be fixed in housing.Wiring board is in the top of this electronic module, can be convenient to wiring, magnetic flow convertor is located at a side of electronic module, by the first breach, magnetic flow convertor can be linked with release, electric mutual inductor is located at the bottom of electronic module, make corresponding copper coin or wire can pass the electric mutual inductor of packing into wherein by the second breach, to realize that electric mutual inductor is to the induction of loop signal.During use, only need namely to have realized in the housing with this electronic module insertion breaker of plastic casing the installation of magnetic flow convertor, electric mutual inductor and wiring board, can greatly improve the assembling speed of breaker of plastic casing, and just can first electronic module be tested before packing into, qualified products just assemble, and equally also can effectively improve the assembling speed of breaker of plastic casing.When the electronic device of breaker of plastic casing breaks down, only need this electronic module is extracted, change a good electronic module and get final product, can not affect the use of breaker of plastic casing.
The invention has the beneficial effects as follows, owing to having adopted, magnetic flow convertor, electric mutual inductor and wiring board are incorporated in a module, and this electronic module comprises that one can wholely peg graft or be fixed on interior cassette rack, a magnetic flow convertor, a plurality of electric mutual inductor and the wiring board of housing of breaker of plastic casing; Wiring board is fixed on the top of cassette rack, magnetic flow convertor is contained in the middle part of cassette rack, a plurality of electric mutual inductors are contained in the bottom of cassette rack side by side, and the output of each electric mutual inductor is connected with the input of wiring board respectively, and the output of wiring board is connected with magnetic flow convertor.The electronic module of this plug type, can bring following beneficial effect:
The one,, electronic device is incorporated in a module, makes the structure of breaker of plastic casing compacter;
The 2nd,, the dismounting of electronic device is very convenient, only needs to insert or extract to get final product;
The 3rd,, be convenient to the electronic device of breaker of plastic casing is tested, during test, only need electronic module is brought to test to get final product;
The 4th,, be convenient to the maintenance of electronic device, when certain electronic device breaks down, only need extract out of order electronic module, change a good electronic module and get final product.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But the integral electronic module of intelligent of a kind of molded case circuit breaker of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is D structure schematic diagram of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is left view of the present invention;
Fig. 4 is rearview of the present invention;
Fig. 5 is vertical view of the present invention (Rotate 180 degree);
Fig. 6 is the cutaway view along A-A line in Fig. 5;
Fig. 7 is the D structure schematic diagram of wiring board fixed bin of the present invention;
Fig. 8 is the D structure schematic diagram of magnetic flow convertor holder of the present invention;
Fig. 9 is the left view of magnetic flow convertor holder of the present invention;
Figure 10 is the D structure schematic diagram of instrument transformer holder of the present invention.
Embodiment
Embodiment, shown in accompanying drawing, the integral electronic module of intelligent of a kind of molded case circuit breaker of the present invention comprises that one can wholely peg graft or be fixed on interior cassette rack 1, a magnetic flow convertor 2, a plurality of electric mutual inductor 3 and the wiring board 4 of housing of breaker of plastic casing; Wiring board 4 is fixed on the top of cassette rack 1, magnetic flow convertor 2 is contained in the middle part of cassette rack 1, a plurality of electric mutual inductors 3 (the present embodiment is three) are contained in the bottom of cassette rack 1 side by side, the output of each electric mutual inductor 3 is connected with the input of wiring board 4 respectively, and the output of wiring board 4 is connected with magnetic flow convertor 2.
Described cassette rack 1 is made of wiring board fixed bin 11, magnetic flow convertor holder 12 and instrument transformer holder 13, wiring board fixed bin 11 is fixed on the upper end of magnetic flow convertor holder 12, and magnetic flow convertor holder 12 is fixed on the upper end of instrument transformer holder 13; Described wiring board 4 is contained in the top of wiring board fixed bin 11; Described magnetic flow convertor 2 is contained between wiring board fixed bin 11 and magnetic flow convertor holder 12; Described electric mutual inductor 3 is contained between magnetic flow convertor holder 12 and instrument transformer holder 13; Wiring board fixed bin 11 can have multiple with the snap fit of magnetic flow convertor holder 12, such as the buckle snap fit is arranged, namely on one of them parts of wiring board fixed bin 11 or magnetic flow convertor holder 12, dop is set, and bayonet socket is set in another parts, the dop of one of them parts is snapped in the bayonet socket of another parts and get final product, the buckle clamping can also be on parts, dop to be set therein, and arrange in another parts card along or draw-in groove, the card that the dop of one of them parts is snapped in another parts along or draw-in groove in get final product; Can be also the snap fit of interference fit, namely on parts, card article is set therein, and draw-in groove is set in another parts, the card article of one of them parts is interference fitted in the draw-in groove of another parts and get final product.Same, magnetic flow convertor holder 12 also can have similar various ways with the snap fit of instrument transformer holder 13.
Described wiring board 4 is installed on the top of wiring board fixed bin 11, is provided with buckle 111 on the top of wiring board fixed bin 11, and wiring board 4 is fixed on the top of wiring board fixed bin 11 by buckle 111.
described magnetic flow convertor 2 clamps the top that is fixed on magnetic flow convertor holder 12, be provided with opening up on the top of a side of magnetic flow convertor holder 12 and be the first recess 121 that holds the bottom of magnetic flow convertor, the bottom of magnetic flow convertor 2 is fixed in the first recess 121 of magnetic flow convertor holder 12, be provided with downward opening in the middle and lower part of a side of wiring board fixed bin 11 and be the second recess 112 that holds the middle and upper part of magnetic flow convertor, the front and back of this second recess 112 are respectively equipped with the first breach 113 so that hold the release that wherein magnetic flow convertor 2 can expose with breaker of plastic casing and link, surrounded the container cavity of magnetic flow convertor 2 by the second recess 112 of wiring board fixed bin 11 and the first recess 121 of magnetic flow convertor holder 12.Wherein, the snap fit of magnetic flow convertor 2 and magnetic flow convertor holder 12 can arrange corresponding bayonet socket according to the design feature of magnetic flow convertor 2, by bayonet socket, magnetic flow convertor 2 is blocked, and certainly, also other snap fit can be arranged.
described a plurality of electric mutual inductor 3 is inserted into respectively in instrument transformer holder 13 side by side, 13 are provided with side by side that a plurality of (the present embodiment is three in the instrument transformer holder, identical with the quantity of electric mutual inductor 3) opening up and be the 3rd recess 131 of (adopting the structure of coincideing is to prevent that electric mutual inductor from swinging) plug-in mounting electric mutual inductor of coincideing, the front and back of the 3rd recess 131 are respectively equipped with the second breach 132, and (electric mutual inductor is the current signal in the inductive load loop so that corresponding copper coin or wire can pass the electric mutual inductor of packing into wherein, therefore, the copper coin or the wire that need to be connected in load circuit pass electric mutual inductor, the occupation mode of copper coin or wire is same as the prior art), be provided with the rib 122 of a plurality of downward protrusions at the middle part of the bottom of magnetic flow convertor holder 12, the bottom of rib 122 is pressed on electric mutual inductor 3, the pressing down in the 3rd recess 131 that is fixed on the instrument transformer holder of the rib 122 of electric mutual inductor 3 by the magnetic flow convertor holder.
The front and back of the bottom of described magnetic flow convertor holder 12 are provided with shield 123 to downward-extension respectively corresponding to the position of each rib 122, corresponding matching are at second breach 132 places, front and back of the 3rd recess of instrument transformer holder respectively for this front and back shield 123, and part hides in the middle and upper part of the front and back of the 3rd recess the second breach 132.
The integral electronic module of intelligent of a kind of molded case circuit breaker of the present invention, that magnetic flow convertor 2, electric mutual inductor 3 and wiring board 4 with breaker of plastic casing is integrated into an electronic module, this electronic module is the boxlike shape of a flat-square shaped, its width and height are greater than thickness, like this, only need a slot is set in the housing of breaker of plastic casing, make this electronic module can insert in the housing of breaker of plastic casing and match with corresponding parts, such as matching with release etc.Wiring board 4 is in the top of this electronic module, can be convenient to wiring, magnetic flow convertor 2 is located at a side of electronic module, by the first breach 113, magnetic flow convertor 2 can be linked with release, electric mutual inductor 3 is located at the bottom of electronic module, make corresponding copper coin or wire can pass the electric mutual inductor 3 of packing into wherein by the second breach 132, to realize the induction of 3 pairs of loop signals of electric mutual inductor.During use, only need namely to have realized in the housing with this electronic module insertion breaker of plastic casing the installation of magnetic flow convertor 2, electric mutual inductor 3 and wiring board 4, can greatly improve the assembling speed of breaker of plastic casing, and just can first electronic module be tested before packing into, qualified products just assemble, and equally also can effectively improve the assembling speed of breaker of plastic casing.When the electronic device of breaker of plastic casing breaks down, only need this electronic module is extracted, change a good electronic module and get final product, can not affect the use of breaker of plastic casing.
Above-described embodiment only is used for further illustrating and of the present inventionly comprises that one can wholely peg graft or be fixed on the cassette rack in the housing of breaker of plastic casing; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection range of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.

Claims (5)

1. the integral electronic module of intelligent of a molded case circuit breaker, is characterized in that: comprise that one can wholely peg graft or be fixed on interior cassette rack, a magnetic flow convertor, a plurality of electric mutual inductor and the wiring board of housing of breaker of plastic casing; Wiring board is fixed on the top of cassette rack, magnetic flow convertor is contained in the middle part of cassette rack, a plurality of electric mutual inductors are contained in the bottom of cassette rack side by side, and the output of each electric mutual inductor is connected with the input of wiring board respectively, and the output of wiring board is connected with magnetic flow convertor;
Described cassette rack is made of wiring board fixed bin, magnetic flow convertor holder and instrument transformer holder, and the wiring board fixed bin is fixed on the upper end of magnetic flow convertor holder, and the magnetic flow convertor holder is fixed on the upper end of instrument transformer holder; Described wiring board is contained in the top of wiring board fixed bin; Described magnetic flow convertor is contained between wiring board fixed bin and magnetic flow convertor holder; Described electric mutual inductor is contained between magnetic flow convertor holder and instrument transformer holder.
2. the integral electronic module of intelligent of molded case circuit breaker according to claim 1, it is characterized in that: described wiring board is installed on the top of wiring board fixed bin, top at the wiring board fixed bin is provided with buckle, the wiring board top at the wiring board fixed bin fixed by snap.
3. the integral electronic module of intelligent of molded case circuit breaker according to claim 1, it is characterized in that: described magnetic flow convertor clamps the top that is fixed on the magnetic flow convertor holder, be provided with opening up on the top of a side of magnetic flow convertor holder and be the first recess that holds the bottom of magnetic flow convertor, the bottom of magnetic flow convertor is fixed in the first recess of magnetic flow convertor holder, be provided with downward opening in the middle and lower part of a side of wiring board fixed bin and be the second recess that holds the middle and upper part of magnetic flow convertor, the front and back of this second recess are respectively equipped with the first breach so that hold the release that wherein magnetic flow convertor can expose with breaker of plastic casing and link, surrounded the container cavity of magnetic flow convertor by the first recess of the second recess of wiring board fixed bin and magnetic flow convertor holder.
4. the integral electronic module of intelligent of molded case circuit breaker according to claim 1, it is characterized in that: described a plurality of electric mutual inductors are inserted into respectively in the instrument transformer holder side by side, be provided with side by side a plurality of opening uply and be the 3rd recess of plug-in mounting electric mutual inductor of coincideing in the instrument transformer holder, the front and back of the 3rd recess are respectively equipped with the second breach so that corresponding copper coin or wire can pass the electric mutual inductor of packing into wherein; Be provided with the rib of a plurality of downward protrusions at the middle part of the bottom of magnetic flow convertor holder, the bottom of rib is pressed on electric mutual inductor, the pressing down in the 3rd recess that is fixed on the instrument transformer holder of the rib of electric mutual inductor by the magnetic flow convertor holder.
5. the integral electronic module of intelligent of molded case circuit breaker according to claim 4, it is characterized in that: the front and back of the bottom of described magnetic flow convertor holder are provided with shield to downward-extension respectively corresponding to the position of each rib, this front and back shield difference corresponding matching is in the front and back of the 3rd recess of instrument transformer holder the second indentation, there, and part hides in the middle and upper part of the front and back of the 3rd recess the second breach.
CN 201110052034 2011-03-03 2011-03-03 Integral electronic module of intelligent molded case circuit breaker Active CN102163520B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104362045B (en) * 2014-11-13 2016-08-24 天津市百利电气有限公司 A kind of intelligent control module of breaker
CN108511275A (en) * 2018-04-27 2018-09-07 天津市百利电气有限公司 The electronic control module of intelligent plastic shell-type breaker
CN113889367A (en) * 2021-08-12 2022-01-04 浙江天正电气股份有限公司 Integrated mutual inductor support and circuit breaker thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688011A (en) * 1984-12-18 1987-08-18 Square D Starkstrom Gmbh Motor safety switch
CN101232173A (en) * 2008-01-08 2008-07-30 蔡甫寒 Motor protector
CN201514905U (en) * 2009-10-23 2010-06-23 江苏辉能电气有限公司 Electronic transformer support of low-voltage circuit breaker
CN201966153U (en) * 2011-03-03 2011-09-07 厦门宏美电子有限公司 Integral electronic module of intelligent type moulded case circuit breaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688011A (en) * 1984-12-18 1987-08-18 Square D Starkstrom Gmbh Motor safety switch
CN101232173A (en) * 2008-01-08 2008-07-30 蔡甫寒 Motor protector
CN201514905U (en) * 2009-10-23 2010-06-23 江苏辉能电气有限公司 Electronic transformer support of low-voltage circuit breaker
CN201966153U (en) * 2011-03-03 2011-09-07 厦门宏美电子有限公司 Integral electronic module of intelligent type moulded case circuit breaker

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Owner name: XIAMEN HONGFA ELECTRICAL SAFETY + CONTROLS CO., LT

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Address after: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 566

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Patentee before: Xiamen Hongmei Electronic Co., Ltd.