CN102683131B - Circuit breaker for optimizing space allocation - Google Patents
Circuit breaker for optimizing space allocation Download PDFInfo
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- CN102683131B CN102683131B CN201110056458.5A CN201110056458A CN102683131B CN 102683131 B CN102683131 B CN 102683131B CN 201110056458 A CN201110056458 A CN 201110056458A CN 102683131 B CN102683131 B CN 102683131B
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Abstract
The invention discloses a circuit breaker for optimizing space allocation. The circuit breaker comprises a shell of which the width is two modulus values. A first overcurrent protection electrode of a single contact, a second overcurrent protection electrode of the single contact, components in the first overcurrent protection electrode of the single contact and the second overcurrent protection electrode of the single contact and an earth leakage protection device are arranged in the shell, wherein the first overcurrent protection electrode of the single contact contains a first handle, a first operating mechanism, a first short circuit instantaneous protection device, a first overload long time delay protection device, a first arc-extinguishing system, a test resistance and two first connecting terminals; the second overcurrent protection electrode of the single contact contains a second handle, a second operating mechanism, a second short circuit instantaneous protection device, a second overload long time delay protection device, a second arc-extinguishing system and two connecting terminals; the components in the first overcurrent protection electrode of a single contact and the second overcurrent protection electrode of the single contact are in symmetric mirror distribution; and the earth leakage protection device contains a mutual inductor, an electromagnetic trip, an electric leakage tripping mechanism, an electric leakage indicating mechanism and a test loop and is clamped between the first overcurrent protection electrode and the second overcurrent protection electrode in the width direction of the shell.
Description
Technical field
The present invention relates to circuit breaker, more particularly, relate to a kind of circuit breaker with the allocation of space of optimization, this circuit breaker comprises the two protection utmost point and earth leakage protective devices that have an overcurrent protection in two modulus width.
Background technology
Miniature circuit breaker is generally used for the buildings such as family, office building, hotel and megastore, for protections such as the short circuit of single-phase, the three-phase below 125A, overload, overvoltages.Earth leakage circuit breaker is the switch of energy auto-action when leakage current surpasses predetermined value in circuit, and for preventing that the person from getting an electric shock, it can be used as modular attachment and is assemblied in circuit breaker outside.
Being widely used of circuit breaker promoted the demand of all size in market, in the Shell of circuit breaker of modulated dimension, how to use prior art to carry out the emphasis that miniaturization and multifunction have become industry development.If need to make the circuit breaker of different size jointly use in the past, need to the card rail in distribution box on successively adjacent arrangement install, therefore often can cause the volume of distribution box excessive.
Summary of the invention
The present invention is intended to propose a kind of circuit breaker internal structure layout of optimizing usage space, in two modulus width (36mm is wide), can hold the two poles of the earth overcurrent protection utmost point and an earth leakage protective device.
According to of the present invention one, implement to stand, disclosed a kind of circuit breaker of optimizing allocation of space, this circuit breaker comprises a housing, and the width of housing is two moduluses, and the first overcurrent protection utmost point, the second overcurrent protection utmost point and earth leakage protective device are set in housing.The very single-contact overcurrent protection utmost point of the first overcurrent protection, the first overcurrent protection utmost point comprises first handle, the first operating mechanism, the first short circuit instantaneous protection device, the first overload long delay protection device, the first arc quenching system, test resistance and two the first binding posts.The very single-contact overcurrent protection utmost point of the second overcurrent protection, the second overcurrent protection utmost point comprises second handle, second operation machine structure, the second short circuit instantaneous protection device, the second overload long delay protection device, the second arc quenching system and two the second binding posts; Wherein, the described second overcurrent protection utmost point comprises second handle, second operation machine structure, the second short circuit instantaneous protection device, the second overload long delay protection device, the second arc quenching system and two the second binding posts and comprises first handle, the first operating mechanism, the first short circuit instantaneous protection device, the first overload long delay protection device, the first arc quenching system and two the first binding posts with the first overcurrent protection utmost point and be the distribution of symmetrical mirror picture.Earth leakage protective device comprises instrument transformer, magnetictrip, electrical leakage tripping device, electric leakage indicating mechanism and test loop.Wherein, on the Width of housing, earth leakage protective device is clipped between the first overcurrent protection utmost point and the second overcurrent protection utmost point.
In one embodiment, the first overcurrent protection utmost point and the second overcurrent protection utmost point occupy respectively 2/5ths spaces of the Width of housing, and earth leakage protective device occupies 1/5th spaces of the Width of housing.
In one embodiment; the second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the electrical leakage tripping device of earth leakage protective device are positioned at same height in housing; wherein the second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies approximately 2/5ths spaces of the Width of housing, and the electrical leakage tripping device of earth leakage protective device accounts for 1/5th spaces of the Width of housing.
In one embodiment; the second short circuit instantaneous protection device of the first short circuit instantaneous protection device of the first overcurrent protection utmost point and the second overcurrent protection utmost point is positioned at same height in housing, and the second short circuit instantaneous protection device of the first short circuit instantaneous protection device of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies a half space of the Width of housing.
In one embodiment; the second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the instrument transformer of earth leakage protective device are positioned at same height in housing; the second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies the quarter spaces of the Width of housing, and the instrument transformer of earth leakage protective device occupies a half space of the Width of housing.
In one embodiment; the second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the earth leakage protective mechanism of earth leakage protective device are positioned at same height in housing; the second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies 2/5ths spaces of the Width of housing, and the earth leakage protective mechanism of earth leakage protective device occupies 1/5th spaces of the Width of housing.
In one embodiment; the second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the magnetictrip of earth leakage protective device are positioned at same height in housing; the second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point, the second overcurrent protection utmost point respectively occupies the quarter spaces of circuit breaker Width, and the magnetictrip of earth leakage protective device occupies a half space of circuit breaker Width.
The circuit breaker of optimization allocation of space of the present invention, by the reasonably optimizing of circuit breaker inner space and arrangement space, is incorporated in same circuit breaker the two-stage overcurrent protection utmost point and leakage protection module, reaches the effect that reduces spatial volume.
Accompanying drawing explanation
The above and other features of the present invention, character and advantage be by becoming more obvious below in conjunction with accompanying drawing to the description of embodiment, wherein,
Fig. 1 has disclosed according to the electrical principle schematic diagram of the circuit breaker of the optimization allocation of space of one embodiment of the invention.
Fig. 2 has disclosed according to the allocation of space figure of the circuit breaker of the optimization allocation of space of one embodiment of the invention.
Fig. 3 a, Fig. 3 b and Fig. 3 c have disclosed according to the allocation of space figure of the mid portion of the circuit breaker of the optimization allocation of space of one embodiment of the invention, and wherein Fig. 3 b is the A-A cutaway view of Fig. 3 a, and Fig. 3 c is the B-B cutaway view of Fig. 3 a.
Fig. 4 has disclosed according to the assembling decomposition view of the circuit breaker of the optimization allocation of space of one embodiment of the invention.
Fig. 5 has disclosed according to the front view of the first overcurrent protection utmost point of the circuit breaker of the optimization allocation of space of one embodiment of the invention.
Fig. 6 has disclosed according to the front view of the second overcurrent protection utmost point of the circuit breaker of the optimization allocation of space of one embodiment of the invention.
Fig. 7 has disclosed according to the front view of the earth leakage protective device of the circuit breaker of the optimization allocation of space of one embodiment of the invention, and wherein electrical leakage tripping device is in "on" position.
Fig. 8 a, Fig. 8 b and Fig. 8 c have disclosed according to the structure chart of the electrical leakage tripping device of the circuit breaker of the optimization allocation of space of one embodiment of the invention, and wherein electrical leakage tripping device is in open position, and Fig. 8 b is the dorsal view of Fig. 8 a, and Fig. 8 c is the end view of Fig. 8 b.
Fig. 9 a, Fig. 9 b and Fig. 9 c have disclosed according to the structure chart of the electrical leakage tripping device of the circuit breaker of the optimization allocation of space of one embodiment of the invention, and wherein electrical leakage tripping device is in closing position, and Fig. 9 b is the dorsal view of Fig. 9 a.
Figure 10 has disclosed the state while threading off according to the electrical leakage tripping device of the circuit breaker of the optimization allocation of space of one embodiment of the invention.
Embodiment
With reference to embodiments of the invention, this circuit breaker with optimization allocation of space provides the two poles of the earth overcurrent protection utmost point and an earth leakage protective device in the housing of two modulus width.In order to reach joint space-efficient object, the position arrangement of different parts and the design of housing are very important.In one embodiment, in the housing of two moduluses (36mm is wide), be furnished with three part critical pieces: first is a single-contact overcurrent protection utmost point, the i.e. first overcurrent protection utmost point 6.The first overcurrent protection utmost point 6 comprises first handle, the first operating mechanism, the first short circuit instantaneous protection device, the first overload long delay protection device, the first arc quenching system, test resistance and two the first binding posts.Second portion is also a single-contact overcurrent protection utmost point; the second overcurrent protection utmost point 7, the second overcurrent protection utmost points 7 comprise second handle, second operation machine structure, the second short circuit instantaneous protection device, the second overload long delay protection device, the second arc quenching system and two the second binding posts.Compare with the first overcurrent protection utmost point 6, in the second overcurrent protection utmost point 7, there is no test resistance.Except test resistance, all the other structures of the second overcurrent protection utmost point 7 are the same with the first overcurrent protection utmost point 6.Second handle, second operation machine structure, the second short circuit instantaneous protection device, the second overload long delay protection device, the second arc quenching system and two the second binding posts are the distribution of symmetrical mirror picture with first handle, the first operating mechanism, the first short circuit instantaneous protection device, the first overload long delay protection device, the first arc quenching system and two the first binding posts.Third part is earth leakage protective device 8, and earth leakage protective device 8 comprises instrument transformer, magnetictrip, electrical leakage tripping device, electric leakage indicating mechanism and test loop.On the Width of housing, earth leakage protective device 8 is sandwiched in the two-stage overcurrent protection utmost point, between the first overcurrent protection utmost point 6 and the second overcurrent protection utmost point 7.
Shown in figure 1, Fig. 1 has disclosed according to the electrical principle schematic diagram of the circuit breaker of the optimization allocation of space of one embodiment of the invention.This circuit breaker includes two overcurrent protection utmost points, and the first overcurrent protection is in series with the first contact 10, first via instantaneous protection device 12, the first overload long delay protection device 14 on extremely.Accordingly, the second overcurrent protection is in series with the second contact 11, the second road instantaneous protection device 13, the second overload long delay protection device 15 on extremely.When leakage current generating; the instrument transformer 62 of earth leakage protective device 8 can detect leakage current; by magnetictrip 18, send signal; along operating path 21, the first operating mechanism 16 of the first current protection utmost point and the second operation machine structure of the second overcurrent protection utmost point 35 were threaded off; thereby the first contact 10 and the second contact 11 are disconnected, reach earth leakage protective function.Earth leakage protective device 8 also comprises test loop 22; wherein be in series with test button 20 and test resistance 19 (test resistance 19 is parts of the first overcurrent protection utmost point 6); one end of test loop 22 is connected in parallel on first binding post (end of incoming cables) 25 of the first overcurrent protection utmost point 6, and the other end is connected in parallel on second binding post (leading-out terminal) 26 of the second overcurrent protection utmost point 7.
Fig. 2 has disclosed according to the allocation of space figure of the circuit breaker of the optimization allocation of space of one embodiment of the invention, and Fig. 2 had both disclosed the front of circuit breaker, has disclosed again the back side of circuit breaker.As shown in the figure, the housing of circuit breaker is the font of falling T, has upper surface 101, upper surface 102, upper surface 103, side 104, side 105, lower surface 106, side 107, side 108.
Front (front of housing) at circuit breaker, as shown in Figure 2, is placed with the first overcurrent protection utmost point 6.The first operating mechanism 16 of the first overcurrent protection utmost point 6 is disposed in the space that upper surface 101,107He side, side 108 limit.The first binding post (leading-out terminal) 24 is disposed in the space that side 104,102He lower surface, upper surface 106 limit, and the first binding post (end of incoming cables) 25 is disposed in the space that side 105,103He lower surface, upper surface 106 limit.The first arc quenching system 30 be disposed in the first binding post (leading-out terminal) 24 and the first binding post (end of incoming cables) 25 centre, lower surface 106 above.The first short circuit instantaneous protection device 28 be disposed in the first arc quenching system 30 above, the position limiting below of the right side of the first binding post (leading-out terminal) 24 and upper surface 102.Contact in the first tripping mechanism 29 be disposed in the first arc quenching system 30 above, the position limiting below of the left side of the first binding post (end of incoming cables) 25 and upper surface 103.Test resistance 19 is disposed in the centre of the first operating mechanism 16 and the first short circuit instantaneous protection device 28, near 107 places, side.
The back side (back side of housing) at circuit breaker, as shown in Figure 2, is placed with the second overcurrent protection utmost point 7.The second operation machine structure 35 of the second overcurrent protection utmost point 7 is disposed in the space that upper surface 101,107He side, side 108 limit.The second binding post (leading-out terminal) 26 is disposed in the space that side 104,102He lower surface, upper surface 106 limit.The second binding post (end of incoming cables) 27 is disposed in the space that side 105,103He lower surface, upper surface 106 limit.The second arc quenching system 33 be disposed in the second binding post (leading-out terminal) 26 and the second binding post (end of incoming cables) 27 centre, lower surface 106 above.The second short circuit instantaneous protection device 34 be disposed in the second arc quenching system 33 above, the position limiting below of the left side of the second binding post (end of incoming cables) 27 and upper surface 102.Contact in the second tripping mechanism 32 be disposed in the second arc quenching system 33 above, the position limiting below of the right side of the second binding post (leading-out terminal) 26 and upper surface 103.
Fig. 3 a, Fig. 3 b and Fig. 3 c have disclosed according to the allocation of space figure of the mid portion of the circuit breaker of the optimization allocation of space of one embodiment of the invention, and wherein Fig. 3 b is the A-A cutaway view of Fig. 3 a, and Fig. 3 c is the B-B cutaway view of Fig. 3 a.The mid portion of circuit breaker, the front view of earth leakage protective device 8 and cutaway view are as shown in Figure 3.Fig. 3 a is the front view of earth leakage protective device 8.In figure, electric leakage indicating mechanism 41 is disposed in circuit breaker upper surface 101 times, near 107 places, side; The test button mechanism 38 of earth leakage protective device 8 is disposed in circuit breaker upper surface 101 times, near 108 places, side; The region 37 that the region 36 that circuit breaker upper surface 102,104He lower surface, side 106 form and upper surface 103,105He lower surface, side 106 form can be used to place rectifying component or the wiring board 64 of creepage mutual inductor; Instrument transformer 17 be placed on lower surface 106 above, the right side in region 36; In the centre of instrument transformer 17 and electric leakage indicating mechanism 41, be the first short circuit instantaneous protection device 28 of the first overcurrent protection utmost point 6 and the second short circuit instantaneous protection device 34 of the second overcurrent protection utmost point 7; Magnetictrip 39 be placed on lower surface 106 above, the right side of instrument transformer 17; Electrical leakage tripping device 40 be disposed in upper surface 101 below, lower surface 106 above, the left side in region 37, the right side of electric leakage indicating mechanism 41, the first short circuit instantaneous protection device 28 and the second short circuit instantaneous protection device 34, magnetictrip 39.
Fig. 3 a and Fig. 3 b be respectively in Fig. 3 along the cutaway view of A-A line and B-B line, shown more clearly the two poles of the earth overcurrent protective device in embodiment and be clipped in the allocation of space situation of this three part of earth leakage protective device wherein.
With reference to figure 3a, the first tripping mechanism 29 of the first overcurrent protection utmost point 6, the second tripping mechanism 32 of the second overcurrent protection utmost point 7 and the position of the electrical leakage tripping device 40 of earth leakage protective device 8 in housing are positioned at sustained height.Width at housing; the width that is circuit breaker is divided; the first tripping mechanism 29 of the first overcurrent protection utmost point 6 and the second tripping mechanism 32 of the second overcurrent protection utmost point 7 respectively occupy approximately 2/5ths spaces of circuit breaker Width (Width of housing), and the electrical leakage tripping device 40 of earth leakage protective device 8 accounts for 1/5th spaces of circuit breaker Width.The second position of short circuit instantaneous protection device 34 in housing of the first short circuit instantaneous protection device 28 of the first overcurrent protection utmost point 6 and the second overcurrent protection utmost point 7 is positioned at sustained height.At the width of housing, the width of circuit breaker is divided above, and the first short circuit instantaneous protection device 28 of the first overcurrent protection utmost point 6 and the second short circuit instantaneous protection device 34 of the second overcurrent protection utmost point 7 respectively account for the half space on circuit breaker Width.
The first arc quenching system 30 of the first overcurrent protection utmost point 6, the second arc quenching system 33 of the second overcurrent protection utmost point 7 and the position of the instrument transformer 17 of earth leakage protective device 8 in housing are positioned at sustained height.Width at housing; the width that is circuit breaker is divided; the first arc quenching system 30 of the first overcurrent protection utmost point 6 and the second arc quenching system 33 of the second overcurrent protection utmost point 7 respectively account for the quarter spaces of the Width of housing, and the instrument transformer 17 of earth leakage protective device 8 occupies a half space of the Width of housing.
With reference to figure 3b, the first tripping mechanism 29 of the first overcurrent protection utmost point 6, the second tripping mechanism 32 of the second overcurrent protection utmost point 7 and the earth leakage protective mechanism 40 of earth leakage protective device 8 position in housing are positioned at sustained height.Width at housing; the width that is circuit breaker is divided; the first tripping mechanism 29 of the first overcurrent protection utmost point 6, the second tripping mechanism 32 of the second overcurrent protection utmost point 7 respectively occupy 2/5ths spaces of circuit breaker Width, and the earth leakage protective mechanism 40 of earth leakage protective device 8 accounts for 1/5th spaces of circuit breaker Width.
The first arc quenching system 30 of the first overcurrent protection utmost point 6, the second arc quenching system 33 of the second overcurrent protection utmost point 7 and the position of the magnetictrip 39 of earth leakage protective device 8 in housing are positioned at sustained height.Width at housing; the width that is circuit breaker is divided; the first arc quenching system 30 of the first overcurrent protection utmost point 6, the second arc quenching system 33 of the second overcurrent protection utmost point 7 respectively occupy the quarter spaces of circuit breaker Width, and the magnetictrip 39 of earth leakage protective device 8 occupies a half space of circuit breaker Width.
Fig. 4 has disclosed according to the assembling decomposition view of the circuit breaker of the optimization allocation of space of one embodiment of the invention.Assembly in the first overcurrent protection utmost point 6 is included by the first shell 1 and second housing 2; assembly in the second overcurrent protection utmost point 7 by the 3rd shell 3 and all round shell 4 be included, the assembly of earth leakage protective device 8 is included by second housing 2 and the 3rd shell 3.
Fig. 5 has disclosed according to the front view of the first overcurrent protection utmost point 6 of the circuit breaker of the optimization allocation of space of one embodiment of the invention.The first operating mechanism 16 wherein, test resistance 19, the first binding post (leading-out terminal) 24, the first binding post (end of incoming cables) 25, the first short circuit instantaneous protection device 28, the first tripping mechanism 29, the first arc quenching system 30 all concrete element represent; compare with the allocation of space figure shown in Fig. 2, Fig. 5 has replaced the signal square frame in Fig. 2 with concrete element.But both allocation of space are consistent with arrangement.In Fig. 5, also show coil 46 and the flexible cord 44 of the first short circuit instantaneous protection device 28.
Similar with Fig. 5, Fig. 6 has disclosed according to the front view of the second overcurrent protection utmost point 7 of the circuit breaker of the optimization allocation of space of one embodiment of the invention.Second operation machine structure 35 wherein, the second binding post (leading-out terminal) 26, the second binding post (end of incoming cables) 27, the second short circuit instantaneous protection device 34, the second tripping mechanism 32, the second arc quenching system 33 all concrete element represent; compare with the allocation of space figure shown in Fig. 2, Fig. 6 has replaced the signal square frame in Fig. 2 with concrete element.But both allocation of space are consistent with arrangement.In Fig. 6, also show coil 47 and the flexible cord 45 of the first short circuit instantaneous protection device 34.
In one embodiment, the electrical leakage tripping device 40 of earth leakage protective device 8 has three states: gate-dividing state, "on" position and trip status.Fig. 7, Fig. 8 a-8c, Fig. 9 a-9c and Figure 10 have disclosed respectively the state of the earth leakage protective device of electrical leakage tripping device under gate-dividing state, "on" position and trip status.Wherein Fig. 7 has disclosed according to the front view of the earth leakage protective device of the circuit breaker of the optimization allocation of space of one embodiment of the invention, and wherein electrical leakage tripping device is in "on" position.In Fig. 8 a, Fig. 8 b and Fig. 8 c, electrical leakage tripping device is in open position, and Fig. 8 b is the dorsal view of Fig. 8 a, and Fig. 8 c is the end view of Fig. 8 b.In Fig. 9 a, Fig. 9 b and Fig. 9 c, electrical leakage tripping device is in closing position, and Fig. 9 b is the dorsal view of Fig. 9 a.In Figure 10, electrical leakage tripping device is in trip status.
More specifically, Fig. 8 b is the left view of Fig. 8 a, and Fig. 8 c is the rearview of Fig. 8 a.As shown in the figure, electrical leakage tripping device 40 comprises handle 50, U-shaped bar 51, snap close 52, connecting rod 54, tripping 56, release link 61, release lever 59 and elastic spring 60.Handle 50 in electrical leakage tripping device 40 can be used as electric leakage indication, rotating the first axle 74 places that are fixed on the 3rd shell 3, the spring 49 of handle 50 is positioned on handle 50, spring 49 has two arms, one arm acts on handle 50, one arm acts on shell 3, plays the effect that handle 50 is resetted.One end of U-shaped bar 51 is positioned in the first hole 71 in handle 50, and the other end is positioned in the second hole 72 of snap close 52.Another hole on snap close 52, the 3rd hole 73 is rotatably mounted in the axle on connecting rod 54.The hole 533 of connecting rod 54 is rotatably mounted to the 7th axle 88 places on shell 3.Tripping 56 overlays on connecting rod 54, can rotate by the second axle 78 on connecting rod 54.Release link 61 is rotatably mounted on the 3rd axle 84 of shell 3, and elastic spring 60 is fixed on root 46 positions of release link 61, and release lever 59 is rotatably mounted to the 4th axle 85 of shell 3.Torsion spring 70 is fixed on the 7th axle 88, and one arm acts on shell 3, and another arm acts on the 8th axle 89 of connecting rod 54, and connecting rod 54 is produced to a clockwise power.Magnetictrip 63 is fixed on the 5th axle 86 and the 6th axle 87 on shell 3.In Fig. 8 c, can more clearly see the allocation of space situation between the parts such as snap close 52, connecting rod 54, tripping 56, release link 61, release lever 59.On Width, connecting rod 54 is coplanar with release link 61, and tripping 56 is coplanar with release lever 59, and 83 places, bottom of elastic spring 60 are larger compared with other position areas of reed, to such an extent as to can contact with release lever 59 on Width.
When gate-dividing state, as shown in Fig. 8 a-8c, can see now two dropout faces of snap close 52 and tripping 56, the first dropout face 75 and the second dropout face 76 are in separated position.When closing a floodgate, the taper knob band fixed handle 50 of circuit breaker overcomes spring 49 and rotates counterclockwise, handle 50 makes snap close 52 and tripping 56 at the first dropout face 75 and second dropout face 76 place's snap closes by U-shaped bar 51, thereby moving the huge torsion that connecting rod 54 overcomes torsion spring 70 rotates counterclockwise, the lance 81 of connecting rod 54 bottoms hits the top 80 of release link 61, drive release link 61 and elastic spring 60 to clockwise rotate, make the push rod 79 on magnetictrip 63 be pushed back initial position, complete the reset of magnetictrip 63; Meanwhile, an arm 90 of tripping 56 drives an arm 91 of release lever 59, makes release lever 59 rotate counterclockwise and reset.
After completing above-mentioned action, electrical leakage tripping device 40, in closing position, is shown in Fig. 9 a-9c.
When instrument transformer 62 detects leakage current, instrument transformer 62 sends actuating signal to magnetictrip 63, push rod 79 on magnetictrip 63 is ejected, thereby hit elastic spring 60 lower ends 83, hitting power is passed to the bossing 41 on the release lever 59 contacting with it by reed 60, release lever 59 is turned clockwise, the lower end 90 that tripping 56 is hit in the upper end 91 of release lever 59, tripping 56 is subject to after counterclockwise power, the first dropout face (top dropout face) 75 is separated with the second dropout face 76 of snap close 52 immediately, electrical leakage tripping device 40 completes dropout, when electrical leakage tripping device 40 is threaded off, the bending part 82 of connecting rod 54 can hit the 9th axle 65, the first overcurrent protection utmost point of the 9th axle 65 and circuit breaker is connected with the release lever of second operation machine structure with the first operating mechanism of the second overcurrent protection utmost point, thereby make circuit breaker tripping.
In Fig. 9 a-9c, because the push rod 79 on magnetictrip 63 ejects, be instantaneous, the U-shaped bar 51 being connected with handle in moment has little time action, therefore the snap close 52 being connected with U-shaped bar 51 is all in temporary transient inactive state, and tripping 56 is subject to the impulse force of release lever 59 and rotate counterclockwise.
In Fig. 3 a 38 represents that testing button 55 is positioned at 108 places, 101He side, upper surface.Torsion spring 57 is fixed on the axle 58 on shell 3, and one arm 68 is connected with the second terminals (end of incoming cables) 26 of the second overcurrent protection utmost point 7 through shell 3 on electric.Test resistance 19 is fixed in the first overcurrent protection utmost point 6 (seeing Fig. 5); one pin of test resistance 19 is through shell 2, on half pass groove 66 between middle and upper part, region 28 (the first short circuit instantaneous protection device 28) and the handle 50 (electric leakage indication handle) of shell 3 fixing (seeing Fig. 7).Coil 46 in the first short circuit instantaneous protection device 28 of another pin of test resistance 19 and the first overcurrent protection utmost point 6 is connected on electric; coil 46 passes (structure of the second short circuit instantaneous protection device 34 and coil 47 and flexible cord 45 is similar) by flexible cord 44 from instrument transformer 62, spot-welded together with the first terminals (leading-out terminal) 24 of the first overcurrent protection utmost point 6.Another arm 67 and a pin of test resistance 19 of torsion spring 57 form a fracture in 69 positions.
When testing button 55 is pressed, the compression leg of testing button bottom is pressed an arm 67 of torsion spring 57, contacts with the pin that is placed on the test resistance 19 in half pass groove 66, make test loop 22 conductings, form test leakage current, thereby make electrical leakage tripping device thread off 40, circuit breaker disconnects.
Stage clip 53 tightly binds round on the cylinder of testing button 55, and when electric leakage mechanism is during in "on" position, stage clip 53 bottoms are unsettled; When electric leakage mechanism is during in gate-dividing state, platform 77 places on stage clip 53 right side in tripping 56 produce a small clockwise reset force to tripping 56.
In Figure 10, electrical leakage tripping device is in trip status.That in wherein each parts and Fig. 8 a-8c and Fig. 9 a-9c, describes is similar, no longer repeat specification herein.
The circuit breaker of optimization allocation of space of the present invention, by the reasonably optimizing of circuit breaker inner space and arrangement space, is incorporated in same circuit breaker the two-stage overcurrent protection utmost point and leakage protection module, reaches the effect that reduces spatial volume.
Above-described embodiment is to provide to being familiar with person in the art and realizes or use of the present invention; those skilled in the art can be without departing from the present invention in the case of the inventive idea; above-described embodiment is made to various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and it should be the maximum magnitude that meets the inventive features that claims mention.
Claims (7)
1. a circuit breaker of optimizing allocation of space, is characterized in that, this circuit breaker comprises a housing, and the width of described housing is two moduluses, in described housing, arranges:
The first overcurrent protection utmost point, for the single-contact overcurrent protection utmost point, the first overcurrent protection utmost point comprises first handle, the first operating mechanism, the first short circuit instantaneous protection device, the first overload long delay protection device, the first arc quenching system, test resistance and two the first binding posts;
The second overcurrent protection utmost point, for the single-contact overcurrent protection utmost point, the second overcurrent protection utmost point comprises second handle, second operation machine structure, the second short circuit instantaneous protection device, the second overload long delay protection device, the second arc quenching system and two the second binding posts; Wherein, the described second overcurrent protection utmost point comprises second handle, second operation machine structure, the second short circuit instantaneous protection device, the second overload long delay protection device, the second arc quenching system and two the second binding posts and comprises first handle, the first operating mechanism, the first short circuit instantaneous protection device, the first overload long delay protection device, the first arc quenching system and two the first binding posts with the first overcurrent protection utmost point and be the distribution of symmetrical mirror picture;
Earth leakage protective device, comprises instrument transformer, magnetictrip, electrical leakage tripping device, electric leakage indicating mechanism and test loop;
Wherein, on the Width of housing, described earth leakage protective device is clipped between the first overcurrent protection utmost point and the second overcurrent protection utmost point.
2. the circuit breaker of optimization allocation of space as claimed in claim 1, is characterized in that,
The described first overcurrent protection utmost point and the second overcurrent protection utmost point occupy respectively 2/5ths spaces of the Width of housing, and earth leakage protective device occupies 1/5th spaces of the Width of housing.
3. the circuit breaker of optimization allocation of space as claimed in claim 1, is characterized in that,
The second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the electrical leakage tripping device of earth leakage protective device are positioned at same height in housing; wherein the second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies approximately 2/5ths spaces of the Width of housing, and the electrical leakage tripping device of earth leakage protective device accounts for 1/5th spaces of the Width of housing.
4. the circuit breaker of optimization allocation of space as claimed in claim 1, is characterized in that,
The second short circuit instantaneous protection device of the first short circuit instantaneous protection device of the first overcurrent protection utmost point and the second overcurrent protection utmost point is positioned at same height in housing, and the second short circuit instantaneous protection device of the first short circuit instantaneous protection device of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies a half space of the Width of housing.
5. the circuit breaker of optimization allocation of space as claimed in claim 1, is characterized in that,
The second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the instrument transformer of earth leakage protective device are positioned at same height in housing; the second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies the quarter spaces of the Width of housing, and the instrument transformer of earth leakage protective device occupies a half space of the Width of housing.
6. the circuit breaker of optimization allocation of space as claimed in claim 1, is characterized in that,
The second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the earth leakage protective mechanism of earth leakage protective device are positioned at same height in housing; the second tripping mechanism of the first tripping mechanism of the first overcurrent protection utmost point and the second overcurrent protection utmost point respectively occupies 2/5ths spaces of the Width of housing, and the earth leakage protective mechanism of earth leakage protective device occupies 1/5th spaces of the Width of housing.
7. the circuit breaker of optimization allocation of space as claimed in claim 1, is characterized in that,
The second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point, the second overcurrent protection utmost point and the magnetictrip of earth leakage protective device are positioned at same height in housing; the second arc quenching system of the first arc quenching system of the first overcurrent protection utmost point, the second overcurrent protection utmost point respectively occupies the quarter spaces of circuit breaker Width, and the magnetictrip of earth leakage protective device occupies a half space of circuit breaker Width.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110056458.5A CN102683131B (en) | 2011-03-09 | 2011-03-09 | Circuit breaker for optimizing space allocation |
| AU2012225034A AU2012225034B2 (en) | 2011-03-09 | 2012-03-08 | Circuit breaker for optimizing space allocation |
| PCT/CN2012/072078 WO2012119555A1 (en) | 2011-03-09 | 2012-03-08 | Circuit breaker for optimizing space allocation |
| EP12754514.3A EP2685484B1 (en) | 2011-03-09 | 2012-03-08 | Circuit breaker for optimizing space allocation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110056458.5A CN102683131B (en) | 2011-03-09 | 2011-03-09 | Circuit breaker for optimizing space allocation |
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| Publication Number | Publication Date |
|---|---|
| CN102683131A CN102683131A (en) | 2012-09-19 |
| CN102683131B true CN102683131B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110056458.5A Active CN102683131B (en) | 2011-03-09 | 2011-03-09 | Circuit breaker for optimizing space allocation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359085A (en) * | 2017-08-23 | 2017-11-17 | 温州艾科电器科技有限公司 | Optimize the residual current action breaker of space distribution |
| JP2020167089A (en) * | 2019-03-29 | 2020-10-08 | パナソニックＩｐマネジメント株式会社 | Circuit breaker |
| CN112863955B (en) * | 2021-01-15 | 2024-09-20 | 常熟开关制造有限公司(原常熟开关厂） | Action release for circuit breaker |
| CN114899055A (en) * | 2022-06-08 | 2022-08-12 | 浙江正泰电器股份有限公司 | Residual current operated circuit breaker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106499A (en) * | 1986-09-23 | 1988-04-13 | 默林·格伦 | Multi-pole earthing leakage switch for standard fittings |
| CN101154539A (en) * | 2006-09-29 | 2008-04-02 | 河村电器产业株式会社 | Circuit breaker |
-
2011
- 2011-03-09 CN CN201110056458.5A patent/CN102683131B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106499A (en) * | 1986-09-23 | 1988-04-13 | 默林·格伦 | Multi-pole earthing leakage switch for standard fittings |
| CN101154539A (en) * | 2006-09-29 | 2008-04-02 | 河村电器产业株式会社 | Circuit breaker |
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| CN102683131A (en) | 2012-09-19 |
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