CN102683130B - Circuit breaker with optimized space allocation - Google Patents
Circuit breaker with optimized space allocation Download PDFInfo
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- CN102683130B CN102683130B CN201110055929.0A CN201110055929A CN102683130B CN 102683130 B CN102683130 B CN 102683130B CN 201110055929 A CN201110055929 A CN 201110055929A CN 102683130 B CN102683130 B CN 102683130B
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Abstract
The invention discloses a circuit breaker for optimizing space distribution, which comprises: the first overcurrent protection electrode is provided with a first wire inlet end and a first wire outlet end, a first contact is connected in series on the first overcurrent protection electrode, and the first overcurrent protection electrode comprises a first operating mechanism; the second overcurrent protection electrode is provided with a second wire inlet end and a second wire outlet end, a second contact is connected in series on the second overcurrent protection electrode, and the second overcurrent protection electrode comprises a second operating mechanism; the leakage protection device comprises a mutual inductor and an electromagnetic trip, and also comprises a test loop with a test button, wherein the test loop is connected with the test resistor in series, one end of the test loop is connected to the first wire inlet end in parallel, and the other end of the test loop is connected to the second wire outlet end in parallel; the mutual inductor detects leakage current, sends a signal through the electromagnetic tripper, and enables the first operating mechanism and the second operating mechanism to be tripped along a working route, so that the first contact and the second contact are disconnected, and leakage protection is achieved.
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 protection pole and the earth leakage protective device that two have 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 the protection such as short circuit, overload, overvoltage of single-phase, the three-phase of below 125A.Earth leakage circuit breaker is can the switch of auto-action when in circuit, leakage current exceedes predetermined value, and for preventing the person from getting an electric shock, it can be used as modular attachment and is assemblied in circuit breaker external.
Widely using of circuit breaker facilitates all size demand in the market, and in the Shell of circuit breaker of modulated dimension, how using prior art to carry out miniaturized and multifunction has become the emphasis that industry develops.If needed to make the circuit breaker of different size jointly use in the past, needed arranged adjacent installation successively on the card rail in distribution box, the volume of distribution box therefore often can be caused excessive.
Summary of the invention
The present invention is intended to propose a kind of circuit breaker internal topology layout optimizing usage space, in two modulus width (36mm is wide), can hold overcurrent protection pole, the two poles of the earth and an earth leakage protective device.
According to one embodiment of the invention, propose a kind of circuit breaker optimizing allocation of space, comprise the first overcurrent protection pole, the second overcurrent protection pole and earth leakage protective device.First overcurrent protection has the first end of incoming cables and the first leading-out terminal, the first overcurrent protection extremely on be in series with the first contact, the first overcurrent protection pole comprises the first operating mechanism.Second overcurrent protection has the second end of incoming cables and the second leading-out terminal, the second overcurrent protection extremely on be in series with the second contact, the second overcurrent protection pole comprises second operation machine structure.Earth leakage protective device comprises instrument transformer and magnetictrip; earth leakage protective device also comprises the test loop with test button; connect with test resistance in test loop, one end of test loop is connected in parallel on the first end of incoming cables, and the other end of test loop is connected in parallel on the second leading-out terminal.Instrument transformer detects leakage current, sends signal by magnetictrip, along operating path, the first operating mechanism and second operation machine structure is threaded off, thus the first contact and the second contact are disconnected, realize earth leakage protective.
In one embodiment; circuit breaker comprises the housing that is the font of falling T; first overcurrent protection pole, the second overcurrent protection pole and earth leakage protective device are placed in housing, and housing has the first upper surface, the second upper surface, the 3rd upper surface, the first side, the second side, the first lower surface, the 3rd side, the 4th side.
In one embodiment, first operating mechanism, the first leading-out terminal and the first inlet wire section are disposed in the front side in housing, wherein the first operating mechanism is disposed in the space that the first upper surface, the 3rd side and the 4th side limit, first leading-out terminal is disposed in the space that the first side, the second upper surface and the first lower surface limit, and the first end of incoming cables is disposed in the space that the second side, the 3rd upper surface and the first lower surface limit; Second operation machine structure, the second leading-out terminal and the second inlet wire section are disposed in the dorsal part in housing, wherein second operation machine structure is disposed in the space that the first upper surface, the 3rd side and the 4th side limit, second leading-out terminal is disposed in the space that the first side, the second upper surface and the first lower surface limit, and the second end of incoming cables is disposed in the space that the second side, the 3rd upper surface and the first lower surface limit.
In one embodiment, the first overcurrent protection pole also comprises the first arc quenching system, is arranged in above the centre of the first leading-out terminal and the first end of incoming cables, the first lower surface; Second overcurrent protection pole also comprises the second arc quenching system, is arranged in the second leading-out terminal and second and taps into above the centre of line end, the first lower surface.
In one embodiment, also connect the first short circuit instantaneous protection device in the first overcurrent protection pole, the space being arranged in above the first arc quenching system, limiting below the right side of the first leading-out terminal and the second upper surface; Also connect the second short circuit instantaneous protection device in second overcurrent protection pole, the space being arranged in above the second arc quenching system, limiting below the left side of the second end of incoming cables and the second upper surface.
In one embodiment, test resistance is disposed in the centre of the first operating mechanism and the first short circuit instantaneous protection device, near the 3rd side.
In one embodiment, the first overcurrent protection pole also comprises the first tripping mechanism, and the contact of the first tripping mechanism is disposed in above the first arc quenching system, the space that limits below the left side of the first end of incoming cables and the 3rd upper surface; Second overcurrent protection pole also comprises the second tripping mechanism, and the contact of the second tripping mechanism is disposed in above the second arc quenching system, the space that limits below the right side of the second leading-out terminal and the 3rd upper surface.
In one embodiment, the first overcurrent protection pole is also in series with the first overload long delay protection device; Second overcurrent protection pole is also in series with the second overload long delay protection device.
In one embodiment, the second upper surface, the first side and the first formation first area, lower surface, the 3rd upper surface, the second side and the first lower surface second area; Instrument transformer is disposed in above the first lower surface, the right side of first area; Magnetictrip is disposed in above the first lower surface, the right side of instrument transformer; Under test button is disposed in the first upper surface, near the position of the 4th side;
In one embodiment, earth leakage protective device also comprises electric leakage indicating mechanism and electrical leakage tripping device; Under electric leakage indicating mechanism is disposed in the first upper surface, near the position of the 3rd side; Electrical leakage tripping device is disposed in below the first upper surface, above the first lower surface, the left side of second area, the right side of electric leakage indicating mechanism and magnetictrip.
The circuit breaker of optimization allocation of space of the present invention, by the reasonably optimizing in circuit breaker internal space and arrangement space, makes two-stage overcurrent protection pole and leakage protection module be incorporated in same circuit breaker, reaches the effect reducing spatial volume.
Accompanying drawing explanation
The above and other features of the present invention, character and advantage become more obvious below in conjunction with accompanying drawing to the description of embodiment by passing through, wherein,
Fig. 1 discloses the electronic schematic diagram of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.
Fig. 2 a and Fig. 2 b discloses the allocation of space figure of the circuit breaker of the optimization allocation of space according to one embodiment of the invention, and wherein Fig. 2 a discloses the front of circuit breaker, and Fig. 2 b discloses the back side of circuit breaker.
Fig. 3 a, Fig. 3 b and Fig. 3 c disclose the allocation of space figure of the mid portion of the circuit breaker of the optimization allocation of space according to 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 discloses the assembling decomposition view of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.
Fig. 5 discloses the front view of the first overcurrent protection pole of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.
Fig. 6 discloses the front view of the second overcurrent protection pole of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.
Fig. 7 discloses the front view of the earth leakage protective device of the circuit breaker of the optimization allocation of space according to 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 disclose the structure chart of the electrical leakage tripping device of the circuit breaker of the optimization allocation of space according to 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 disclose the structure chart of the electrical leakage tripping device of the circuit breaker of the optimization allocation of space according to 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 discloses the state during electrical leakage tripping device dropout of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.
Embodiment
The present invention is intended to propose a kind of circuit breaker optimizing allocation of space, comprising: the first overcurrent protection pole, the second overcurrent protection pole and earth leakage protective device.First overcurrent protection has the first end of incoming cables and the first leading-out terminal, the first overcurrent protection extremely on be in series with the first contact, the first overcurrent protection pole comprises the first operating mechanism.Second overcurrent protection has the second end of incoming cables and the second leading-out terminal, the second overcurrent protection extremely on be in series with the second contact, the second overcurrent protection pole comprises second operation machine structure.Earth leakage protective device comprises instrument transformer and magnetictrip; earth leakage protective device also comprises the test loop with test button; connect with described test resistance in test loop, one end of test loop is connected in parallel on the first end of incoming cables, and the other end of test loop is connected in parallel on the second leading-out terminal.Instrument transformer detects leakage current, sends signal by magnetictrip, along operating path, the first operating mechanism and second operation machine structure is threaded off, thus the first contact and the second contact are disconnected, realize earth leakage protective.
With reference to embodiments of the invention, this has the circuit breaker optimizing allocation of space in the housing of two modulus width, provides overcurrent protection pole, the two poles of the earth and an earth leakage protective device.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), three part critical pieces are furnished with: Part I is a single-contact overcurrent protection pole, i.e. the first overcurrent protection pole 6.First overcurrent protection pole 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.Part II is also a single-contact overcurrent protection pole; namely the second overcurrent protection pole 7, overcurrent protection pole 7, second 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.Compared with the first overcurrent protection pole 6, in the second overcurrent protection pole 7, there is no test resistance.Except test resistance, all the other structures of the second overcurrent protection pole 7 are the same with the first overcurrent protection pole 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 and first handle, the first operating mechanism, the first short circuit instantaneous protection device, first transship long delay protection device, the first arc quenching system and two the first binding posts symmetrically mirror image distribute.Part III 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 two-stage overcurrent protection pole, namely between the first overcurrent protection pole 6 and the second overcurrent protection pole 7.
Shown in figure 1, Fig. 1 discloses the electronic schematic diagram of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.This circuit breaker includes two overcurrent protection poles, the first overcurrent protection extremely on be in series with the first contact 10, first via instantaneous protection device 12, first transships long delay protection device 14.Accordingly, the second overcurrent protection extremely on be in series with the second contact 11, second road instantaneous protection device 13, second and transship long delay protection device 15.When leakage current produces; the instrument transformer 62 of earth leakage protective device 8 can detect leakage current; signal is sent by magnetictrip 18; along operating path 21, first operating mechanism 16 of the first current protection pole and the second operation machine structure 35 of the second overcurrent protection pole were threaded off; thus 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 pole 6); one end of test loop 22 is connected in parallel on the first end of incoming cables 25 of the first overcurrent protection pole 6, and the other end is connected in parallel on the second leading-out terminal 26 of the second overcurrent protection pole 7.
Fig. 2 a and Fig. 2 b discloses the allocation of space figure of the circuit breaker of the optimization allocation of space according to one embodiment of the invention, and wherein Fig. 2 a discloses the front of circuit breaker, and Fig. 2 b discloses the back side of circuit breaker.As shown in the figure, the housing of circuit breaker, in the font of falling T, has the first upper surface 102, upper surface 101, second, the 3rd lower surface 106, side 105, first, side 104, second, upper surface 103, first, the 3rd side 107, the 4th side 108.
In the front (front of housing) of circuit breaker, as shown in Figure 2 a, be placed with the first overcurrent protection pole 6.First operating mechanism 16 of the first overcurrent protection pole 6 is disposed in the space that the first upper surface 101, the 3rd side 107 and the 4th side 108 limit.First leading-out terminal 24 is disposed in the space that the first upper surface, side 104, second 102 and the first lower surface 106 limit, and the first end of incoming cables 25 is disposed in the space that the second side 105, the 3rd upper surface 103 and the first lower surface 106 limit.First arc quenching system 30 is disposed in above the centre of the first leading-out terminal 24 and the first end of incoming cables 25, the first lower surface 106.The position that first short circuit instantaneous protection device 28 is disposed in above the first arc quenching system 30, limit below the right side of the first leading-out terminal 24 and the second upper surface 102.The position that contact in first tripping mechanism 29 is disposed in above the first arc quenching system 30, limit below the left side of the first end of incoming cables 25 and the 3rd 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 the 3rd side 107 place.
At the back side (back side of housing) of circuit breaker, as shown in Figure 2 b, be placed with the second overcurrent protection pole 7.The second operation machine structure 35 of the second overcurrent protection pole 7 is disposed in the space that the first upper surface 101, the 3rd side 107 and the 4th side 108 limit.Second leading-out terminal 26 is disposed in the space that the first upper surface, side 104, second 102 and the first lower surface 106 limit.Second end of incoming cables 27 is disposed in the space that the second side 105, the 3rd upper surface 103 and the first lower surface 106 limit.Second arc quenching system 33 is disposed in above the centre of the second leading-out terminal 26 and the second end of incoming cables 27, the first lower surface 106.The position that second short circuit instantaneous protection device 34 is disposed in above the second arc quenching system 33, limit below the left side of the second end of incoming cables 27 and the second upper surface 102.The position that contact in second tripping mechanism 32 is disposed in above the second arc quenching system 33, limit below the right side of the second leading-out terminal 26 and the 3rd upper surface 103.
Fig. 3 a, Fig. 3 b and Fig. 3 c disclose the allocation of space figure of the mid portion of the circuit breaker of the optimization allocation of space according to 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, namely 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 first upper surface 101 times, near the 3rd side 107 place; The test button mechanism 38 of earth leakage protective device 8 is disposed in circuit breaker first upper surface 101 times, near the 4th side 108 place; The second area 37 of the first area 36 that the second side, upper surface 102, first 104 and the first lower surface 106 are formed and the 3rd side, upper surface 103, second 105 and the formation of the first lower surface 106 can be used to rectifying component or the wiring board 64 of placing creepage mutual inductor; Instrument transformer 17 is placed on above the first lower surface 106, the right side of first area 36; Be the first short circuit instantaneous protection device 28 of the first overcurrent protection pole 6 and the second short circuit instantaneous protection device 34 of the second overcurrent protection pole 7 in the centre of instrument transformer 17 and electric leakage indicating mechanism 41; Magnetictrip 39 is placed on above the first lower surface 106, the right side of instrument transformer 17; Electrical leakage tripping device 40 is disposed in below the first upper surface 101, above the first lower surface 106; the left side of second area 37, the right side of electric leakage indicating mechanism 41, 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 is the cutaway view along A-A line and B-B line in Fig. 3 respectively, definitely indicates the two poles of the earth overcurrent protective device and the allocation of space situation being clipped in this three part of earth leakage protective device wherein in embodiment.
With reference to figure 3a, the second tripping mechanism 32 of the first tripping mechanism 29, second overcurrent protection pole 7 and the position of electrical leakage tripping device 40 in housing of earth leakage protective device 8 of the first overcurrent protection pole 6 are positioned at sustained height.At the width of housing; namely the width of circuit breaker divides; first tripping mechanism 29 of the first overcurrent protection pole 6 and the second tripping mechanism 32 of the second overcurrent protection pole 7 respectively occupy about 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.First short circuit instantaneous protection device 28 of the first overcurrent protection pole 6 and the second position of short circuit instantaneous protection device 34 in housing of the second overcurrent protection pole 7 are positioned at sustained height.At the width of housing, namely the width of circuit breaker divides, and the first short circuit instantaneous protection device 28 of the first overcurrent protection pole 6 and the second short circuit instantaneous protection device 34 of the second overcurrent protection pole 7 respectively account for the half space on circuit breaker Width.
Second arc quenching system 33 of the first arc quenching system 30, second overcurrent protection pole 7 and the position of instrument transformer 17 in housing of earth leakage protective device 8 of the first overcurrent protection pole 6 are positioned at sustained height.At the width of housing; namely the width of circuit breaker divides; first arc quenching system 30 of the first overcurrent protection pole 6 and the second arc quenching system 33 of the second overcurrent protection pole 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 second tripping mechanism 32 of the first tripping mechanism 29, second overcurrent protection pole 7 and the position of earth leakage protective mechanism 40 in housing of earth leakage protective device 8 of the first overcurrent protection pole 6 are positioned at sustained height.At the width of housing; namely the width of circuit breaker divides; second tripping mechanism 32 of the first tripping mechanism 29, second overcurrent protection pole 7 of the first overcurrent protection pole 6 respectively occupies 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.
Second arc quenching system 33 of the first arc quenching system 30, second overcurrent protection pole 7 and the position of magnetictrip 39 in housing of earth leakage protective device 8 of the first overcurrent protection pole 6 are positioned at sustained height.At the width of housing; namely the width of circuit breaker divides; second arc quenching system 33 of the first arc quenching system 30, second overcurrent protection pole 7 of the first overcurrent protection pole 6 respectively occupies 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 discloses the assembling decomposition view of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.Assembly in first overcurrent protection pole 6 is included by the first shell 1 and second housing 2; assembly in second overcurrent protection pole 7 is included by the 3rd shell 3 and the 4th shell 4, and the assembly of earth leakage protective device 8 is included by second housing 2 and the 3rd shell 3.
Fig. 5 discloses the front view of the first overcurrent protection pole 6 of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.The all concrete element of the first operating mechanism 16 wherein, test resistance 19, first leading-out terminal 24, first end of incoming cables 25, first short circuit instantaneous protection device 28, first tripping mechanism 29, first arc quenching system 30 represents; compared with the allocation of space figure shown in Fig. 2 a, Fig. 5 instead of the signal square frame in Fig. 2 a with concrete element.But both allocation of space and arrangement are consistent.Also show coil 46 and the flexible cord 44 of the first short circuit instantaneous protection device 28 in Figure 5.
Similar with Fig. 5, Fig. 6 discloses the front view of the second overcurrent protection pole 7 of the circuit breaker of the optimization allocation of space according to one embodiment of the invention.The all concrete element of second operation machine structure 35, second leading-out terminal 26, second end of incoming cables 27, second short circuit instantaneous protection device 34, second tripping mechanism 32, second arc quenching system 33 wherein represents; compared with the allocation of space figure shown in Fig. 2 b, Fig. 6 instead of the signal square frame in Fig. 2 b with concrete element.But both allocation of space and arrangement are consistent.Also show coil 47 and the flexible cord 45 of the first short circuit instantaneous protection device 34 in figure 6.
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 discloses the state that electrical leakage tripping device is in the earth leakage protective device under gate-dividing state, "on" position and trip status respectively.Wherein Fig. 7 discloses the front view of the earth leakage protective device of the circuit breaker of the optimization allocation of space according to 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 instruction, rotating the first axle 74 place be fixed on the 3rd shell 3, the spring 49 of handle 50 is positioned on handle 50, spring 49 has two-arm, one arm acts on handle 50, one arm acts on shell 3, plays the effect resetted to handle 50.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 place 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 position 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, produces a clockwise power to connecting rod 54.Magnetictrip 63 is fixed on the 5th axle 86 on shell 3 and the 6th axle 87.The allocation of space situation between the parts such as snap close 52, connecting rod 54, tripping 56, release link 61, release lever 59 more clearly can be seen in Fig. 8 c.In the direction of the width, connecting rod 54 is coplanar with release link 61, and tripping 56 is coplanar with release lever 59, and comparatively other position areas of reed are larger at bottom 83 place of elastic spring 60, to such an extent as to can contact with release lever 59 in the direction of the width.
When gate-dividing state, as shown by figures 8 a-8 c, can see two dropout faces of now 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 the second dropout face 76 place snap close by U-shaped bar 51, thus carry out the huge torsion that connecting rod 54 overcomes torsion spring 70 and rotate counterclockwise, the lance 81 of connecting rod 54 bottom hits the top 80 of release link 61, release link 61 and elastic spring 60 is driven to rotate clockwise, make the push rod 79 on magnetictrip 63 be pushed back to 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 is in closing position, sees 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, thus hit elastic spring 60 lower end 83, hitting power is passed to the bossing 41 on the release lever 59 that contacts with it by reed 60, release lever 59 is turned clockwise, the lower end 90 of tripping 56 is hit in the upper end 91 of release lever 59, after tripping 56 is subject to counterclockwise power, first dropout face (dropout face, top) 75 is separated with the second dropout face 76 of snap close 52 immediately, electrical leakage tripping device 40 completes dropout, while electrical leakage tripping device 40 is threaded off, the bending part 82 of connecting rod 54 can hit the 9th axle 65, 9th axle 65 is connected with the release lever of second operation machine structure with the first operating mechanism of the second overcurrent protection pole with the first overcurrent protection pole of circuit breaker, thus make circuit breaker tripping.
Because push rod 79 ejection on magnetictrip 63 is instantaneous in Fig. 9 a-9c, the U-shaped bar 51 be connected with handle in moment has little time action, therefore the snap close 52 be 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 rotates counterclockwise.
In Fig. 3 a 38 represents that testing button 55 is positioned at upper surface 101 and side 108 place.Torsion spring 57 is fixed on the axle 58 on shell 3, and one arm 68 is connected with second terminals (end of incoming cables) 26 of the second overcurrent protection pole 7 through shell 3 on electrically.Test resistance 19 is fixed in the first overcurrent protection pole 6 (see Fig. 5); one pin of test resistance 19, through shell 2, the middle and upper part of shell 3, half pass groove 66 between region 28 (the first short circuit instantaneous protection device 28) and handle 50 (electric leakage instruction handle) fixes (see Fig. 7).Another pin of test resistance 19 is connected on electrically with the coil 46 in the first short circuit instantaneous protection device 28 of the first overcurrent protection pole 6; coil 46 is passed (similar of the second short circuit instantaneous protection device 34 and coil 47 and flexible cord 45) by flexible cord 44 from instrument transformer 62, spot-welded together with the first terminals (leading-out terminal) 24 of the first overcurrent protection pole 6.Another arm 67 of torsion spring 57 forms a fracture with a pin of test resistance 19 in 69 positions.
When testing button 55 is pressed, the compression leg of testing button bottom makes an arm 67 of torsion spring 57 be pressed, and contacts with the pin of the test resistance 19 be placed in half pass groove 66, make test loop 22 conducting, form test leakage current, thus 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 mechanism of leaking electricity is in "on" position, stage clip 53 bottom is unsettled; When mechanism of leaking electricity is in gate-dividing state, platform 77 place on stage clip 53 right side in tripping 56 produces a small clockwise reset force to tripping 56.
In Figure 10, electrical leakage tripping device is in trip status.What describe in wherein each parts and Fig. 8 a-8c and Fig. 9 a-9c is similar, no longer repeat specification herein.
The circuit breaker of optimization allocation of space of the present invention, by the reasonably optimizing in circuit breaker internal space and arrangement space, makes two-stage overcurrent protection pole and leakage protection module be incorporated in same circuit breaker, reaches the effect reducing spatial volume.
Above-described embodiment is available to be familiar with person in the art to realize or to 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; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (9)
1. optimize a circuit breaker for allocation of space, it is characterized in that, comprise in two modulus width:
First overcurrent protection pole, has the first end of incoming cables and the first leading-out terminal, the first overcurrent protection extremely on be in series with the first contact, the first overcurrent protection pole comprises the first operating mechanism;
Second overcurrent protection pole, has the second end of incoming cables and the second leading-out terminal, the second overcurrent protection extremely on be in series with the second contact, the second overcurrent protection pole comprises second operation machine structure;
Earth leakage protective device, comprise instrument transformer and magnetictrip, earth leakage protective device also comprises the test loop with test button, connects with test resistance in test loop, one end of test loop is connected in parallel on the first end of incoming cables, and the other end of test loop is connected in parallel on the second leading-out terminal;
Described instrument transformer detects leakage current, sends signal by magnetictrip, along operating path, the first operating mechanism and second operation machine structure is threaded off, thus the first contact and the second contact are disconnected, realize earth leakage protective;
Described circuit breaker comprises the housing that is the font of falling T, described first overcurrent protection pole, the second overcurrent protection pole and earth leakage protective device are placed in described housing, and described housing has the first upper surface, the second upper surface, the 3rd upper surface, the first side, the second side, the first lower surface, the 3rd side, the 4th side;
Housing wherein in the font of falling T comprises main part and bossing, first upper surface is the end face of bossing, second upper surface and the 3rd upper surface are the end faces of main part, be positioned at the both sides of bossing, first bottom surface is the bottom surface of main part, first side is a side of main part, border on the first bottom surface and the second upper surface, 3rd side is a side of bossing, border on the first upper surface and the second upper surface, second side is a side of main part, border on the first bottom surface and the 3rd upper surface, 4th side is a side of bossing, border on the first upper surface and the 3rd upper surface.
2. the circuit breaker optimizing allocation of space as claimed in claim 1, is characterized in that,
Described first operating mechanism, the first leading-out terminal and the first inlet wire section are disposed in the front side in housing, wherein the first operating mechanism is disposed in the space that the first upper surface, the 3rd side and the 4th side limit, first leading-out terminal is disposed in the space that the first side, the second upper surface and the first lower surface limit, and the first end of incoming cables is disposed in the space that the second side, the 3rd upper surface and the first lower surface limit;
Described second operation machine structure, the second leading-out terminal and the second inlet wire section are disposed in the dorsal part in housing, wherein second operation machine structure is disposed in the space that the first upper surface, the 3rd side and the 4th side limit, second leading-out terminal is disposed in the space that the first side, the second upper surface and the first lower surface limit, and the second end of incoming cables is disposed in the space that the second side, the 3rd upper surface and the first lower surface limit.
3. the circuit breaker optimizing allocation of space as claimed in claim 2, is characterized in that,
Described first overcurrent protection pole also comprises the first arc quenching system, is arranged in above the centre of the first leading-out terminal and the first end of incoming cables, the first lower surface;
Described second overcurrent protection pole also comprises the second arc quenching system, is arranged in the second leading-out terminal and second and taps into above the centre of line end, the first lower surface.
4. the circuit breaker optimizing allocation of space as claimed in claim 3, is characterized in that,
Also connect the first short circuit instantaneous protection device in described first overcurrent protection pole, the space being arranged in above the first arc quenching system, limiting below the right side of the first leading-out terminal and the second upper surface;
Also connect the second short circuit instantaneous protection device in described second overcurrent protection pole, the space being arranged in above the second arc quenching system, limiting below the left side of the second end of incoming cables and the second upper surface.
5. the circuit breaker optimizing allocation of space as claimed in claim 4, is characterized in that,
Described test resistance is disposed in the centre of the first operating mechanism and the first short circuit instantaneous protection device, near the 3rd side.
6. the circuit breaker optimizing allocation of space as claimed in claim 3, is characterized in that,
Described first overcurrent protection pole also comprises the first tripping mechanism, and the contact of the first tripping mechanism is disposed in above the first arc quenching system, the space that limits below the left side of the first end of incoming cables and the 3rd upper surface;
Described second overcurrent protection pole also comprises the second tripping mechanism, and the contact of the second tripping mechanism is disposed in above the second arc quenching system, the space that limits below the right side of the second leading-out terminal and the 3rd upper surface.
7. the circuit breaker optimizing allocation of space as claimed in claim 1, is characterized in that,
Described first overcurrent protection pole is also in series with the first overload long delay protection device;
Described second overcurrent protection pole is also in series with the second overload long delay protection device.
8. the circuit breaker optimizing allocation of space as claimed in claim 1, is characterized in that,
Second upper surface, the first side and the first formation first area, lower surface, the 3rd upper surface, the second side and the first lower surface second area;
Instrument transformer is disposed in above the first lower surface, the right side of first area;
Magnetictrip is disposed in above the first lower surface, the right side of instrument transformer;
Under test button is disposed in the first upper surface, near the position of the 4th side.
9. the circuit breaker optimizing allocation of space as claimed in claim 8, is characterized in that,
Described earth leakage protective device also comprises electric leakage indicating mechanism and electrical leakage tripping device;
Under electric leakage indicating mechanism is disposed in the first upper surface, near the position of the 3rd side;
Electrical leakage tripping device is disposed in below the first upper surface, above the first lower surface, the left side of second area, the right side of electric leakage indicating mechanism and magnetictrip.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110055929.0A CN102683130B (en) | 2011-03-09 | 2011-03-09 | Circuit breaker with optimized 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 |
|---|---|---|---|
| CN201110055929.0A CN102683130B (en) | 2011-03-09 | 2011-03-09 | Circuit breaker with optimized space allocation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102683130A CN102683130A (en) | 2012-09-19 |
| CN102683130B true CN102683130B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110055929.0A Active CN102683130B (en) | 2011-03-09 | 2011-03-09 | Circuit breaker with optimized space allocation |
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| CN (1) | CN102683130B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3016078A1 (en) * | 2013-12-27 | 2015-07-03 | Legrand France | ELECTRICAL EQUIPMENT WITH MODULAR FORMAT |
| CN103943424A (en) * | 2014-04-22 | 2014-07-23 | 天津莱特默勒电气设备安装有限公司 | Novel residual-current circuit breaker |
| CN111489923A (en) * | 2019-01-25 | 2020-08-04 | 施耐德电器工业公司 | Leakage protection circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196565A (en) * | 1997-04-15 | 1998-10-21 | 三菱电机株式会社 | Leakage circuit breaker |
| CN2307363Y (en) * | 1997-10-02 | 1999-02-10 | 王心钤 | Electronic leakage protective circuit-breaker |
| CN201069746Y (en) * | 2007-08-22 | 2008-06-04 | 浙江省志明电气进出口有限公司 | Electronic current leakage breaker |
| CN202102998U (en) * | 2011-03-09 | 2012-01-04 | 上海电科电器科技有限公司 | Circuit breaker with optimized space distribution |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61239532A (en) * | 1985-04-15 | 1986-10-24 | 松下電工株式会社 | Circuit breaker |
-
2011
- 2011-03-09 CN CN201110055929.0A patent/CN102683130B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196565A (en) * | 1997-04-15 | 1998-10-21 | 三菱电机株式会社 | Leakage circuit breaker |
| CN2307363Y (en) * | 1997-10-02 | 1999-02-10 | 王心钤 | Electronic leakage protective circuit-breaker |
| CN201069746Y (en) * | 2007-08-22 | 2008-06-04 | 浙江省志明电气进出口有限公司 | Electronic current leakage breaker |
| CN202102998U (en) * | 2011-03-09 | 2012-01-04 | 上海电科电器科技有限公司 | Circuit breaker with optimized space distribution |
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| Publication number | Publication date |
|---|---|
| CN102683130A (en) | 2012-09-19 |
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Address after: 200063 Room 501, building 53, No. 505, Wuning Road, Putuo District, Shanghai Patentee after: Chint Group R & D Center (Shanghai) Co.,Ltd. Patentee after: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Address before: 200063 Room 501, building 53, No. 505, Wuning Road, Putuo District, Shanghai Patentee before: SEARI ELECTRIC TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG CHINT ELECTRICS Co.,Ltd. |
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Effective date of registration: 20220429 Address after: 325603 No. 1, Zhengtai Road, Zhengtai Industrial Park, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Address before: 200063 Room 501, building 53, No. 505, Wuning Road, Putuo District, Shanghai Patentee before: Chint Group R & D Center (Shanghai) Co.,Ltd. Patentee before: ZHEJIANG CHINT ELECTRICS Co.,Ltd. |