CN110556272A - Circuit breaker output and input separation structure - Google Patents
Circuit breaker output and input separation structure Download PDFInfo
- Publication number
- CN110556272A CN110556272A CN201910646989.6A CN201910646989A CN110556272A CN 110556272 A CN110556272 A CN 110556272A CN 201910646989 A CN201910646989 A CN 201910646989A CN 110556272 A CN110556272 A CN 110556272A
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- circuit breaker
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- output end
- terminal
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- 238000000926 separation method Methods 0.000 title abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 26
- 238000000034 method Methods 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 9
- 230000005526 G1 to G0 transition Effects 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
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Abstract
the invention discloses a circuit breaker output end and input end separation structure, which comprises a molded case circuit breaker, wherein the molded case circuit breaker comprises an input end, a circuit breaker unit, a base and an output end, wherein the input end is provided with an input terminal, the output end is provided with an output terminal, the base is provided with a groove matched with the circuit breaker unit, the circuit breaker unit is provided with an input conducting strip and a connecting end, the input conducting strip extends out of the upper part of the input terminal and is jointed with the input terminal, the output end is detachably connected with the base, the output end is provided with an output conducting strip, one end of the output conducting strip extends out of the upper part of the output terminal and is jointed with the; the invention has the characteristics of convenient installation, stable electrical connection and the like.
Description
Technical Field
The invention relates to a molded case circuit breaker, in particular to a separation structure of an output end and an input end.
background
The input end and the output end of the existing molded case circuit breaker are connected with the input terminal and the output terminal through wires to form electrical connection between the two ends, and then opening and closing actions are carried out through a knife switch. However, due to the arrangement of the structure, each phase line needs to be isolated through the partition plate, and the electrical isolation effect between each phase line is guaranteed. However, the fixing strength of the wires is not high during the assembly process, and the electrical effect after assembly is not good, so that an assembly mode which is convenient to install and can ensure the electrical connection effect is needed.
Disclosure of Invention
The invention mainly solves the technical problem of providing a structure for separating an output end and an input end of a circuit breaker.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a circuit breaker output and input isolating construction, including moulded case circuit breaker, wherein, moulded case circuit breaker includes the input, the circuit breaker unit, base and output, be equipped with input terminal on the input, be equipped with output terminal on the output, be equipped with the recess with circuit breaker unit adaptation on the base, be equipped with input conducting strip and link on the circuit breaker unit, the input conducting strip stretches out to input terminal's top and rather than the laminating, the output is detachable connection with the base, be equipped with the output conducting strip on the output, output conducting strip one end stretches out to output terminal's top and rather than the laminating, the other end stretches out to the top of link rather than passing through bolted connection.
at first the input is connected through the circuit breaker unit with the output for the input forms electrical connection with the output, and the output is detachable connection with the base, makes input and output form the isolating construction, and in input assembly process, the output conducting strip is connected with the link and is formed and be connected fixedly, and here connected mode specifically passes through bolted connection, has guaranteed the intensity of connection and electrical connection's effect.
Wherein, be equipped with connecting hole I on the link, the output conducting strip is equipped with connecting hole II, and the bolt passes connecting hole I and is fixed with connecting hole II.
Through the setting of connecting hole for holistic connection is fixed better, and bolted connection is more convenient simultaneously.
Wherein, the output end is provided with a mutual inductor, and the output conducting strip passes through the mutual inductor to be connected with the connecting end.
The setting of mutual-inductor increases the holistic function of circuit breaker, can the current size of every phase line of real-time supervision.
The knife switch comprises a knife switch module, a driving rod and a control module, wherein the knife switch module comprises a knife switch, and the lower end of the knife switch is connected with the driving rod; the output end is provided with a circuit board, a push rod and a motor driving mechanism, and the circuit board controls the motor driving mechanism to move to push the driving rod to move; the driving rod is positioned on the motion track of one end of the push rod, and the other end of the push rod penetrates out of the output end from the output end.
the automatic tripping device controls the motor driving mechanism to move through the circuit board, so that the driving rod is pushed to move, the tripping effect is realized, and the motor driving mechanism is positioned in the output end shell to form a hiding effect; manual tripping is realized through the push rod, presses the other end of push rod through the manual work for the push rod removes, promotes the actuating lever motion, thereby realizes the dropout effect, and the push rod is located the output casing equally, only stretches out to the output casing outside for the part, so manual and automatic integrative setting, makes the dropout more convenient, and same overall structure is simple, and it is better to hide the effect moreover.
The push rod comprises a pushing portion, a connecting portion and a driving portion, the pushing portion is connected with the driving portion through the connecting portion, the driving rod is located on the motion track of the driving portion, a through groove matched with the push rod is formed in the output end, the connecting portion is horizontally arranged, and the pushing portion is vertically connected with the connecting portion.
Be equipped with logical groove in the output, connecting portion can slide in leading to the groove, realize the slip effect, and connecting portion are the level setting, and then gliding is more stable, and promotion portion is perpendicular with connecting portion to be connected, more accords with human-computer interaction, and it is more convenient to operate.
The motor driving mechanism comprises a motor, an output shaft is arranged on the motor, a spring is sleeved on the output shaft, and the output shaft moves to enable the driving rod to move.
The setting of motor and output shaft is adopted for the actuating lever motion realizes the dropout effect, and the setting of spring makes and plays the effect that resets.
The output end is provided with an output end shell and an upper cover, the circuit board is positioned above the output end shell, the upper cover and the output end shell are detachably connected and sleeved above the output end shell for fixing, the circuit board is provided with a liquid crystal display and a button, and the liquid crystal display and the button extend out of the upper cover; the upper cover is detachably connected with the base.
The output passes through output casing and upper cover to be connected fixedly, installs the circuit board simultaneously on the top of output casing, has formed the structure of output for can have multi-functional effect on the output, can set up liquid crystal display and button on the circuit board, can observe the data of every phase line in real time. The upper cover is detachably connected with the base, the output end is integrally installed on the base, and then the output end is fixed through the bolt, so that the device is very convenient.
The circuit board is provided with a bulge and a second positioning hole, the bulge extends into the jack and is fixed, and the second positioning hole is matched and fixed with the second positioning column; the jack and the second positioning column form a triangle for fixing.
Firstly, in the assembly process, the circuit board needs to firstly stretch the protrusion into the jack for internal fixation, and then the positioning hole is matched and fixed with the positioning column, so that a triangular fixing structure is realized, and the whole fixing effect is firm and stable. By adopting the structure, the fixing can be realized without bolt fastening in the assembling process, and in addition, after the fixing, the circuit board cannot move up and down under the action of the jack, and the positioning columns are arranged, so that the circuit board cannot move all around, and the bolt-free fixing is realized.
Wherein, be equipped with the fixed orifices on the output, be equipped with the fixed column on the base, the bolt passes fixed orifices and fixed column for output module and base are connected fixedly.
Through the setting of fixed orifices and stationary mast, the rethread bolt is fixed for the monolithic stationary phase is firm more stable.
Wherein, be equipped with first locating hole on the bottom of output module, be equipped with first locating post on the base, first locating hole is fixed with first locating post cooperation.
The arrangement of the first positioning hole and the first positioning column enables installation to be more accurate and guarantees that the installation is more convenient in the assembling process.
drawings
FIG. 1 is a front view of embodiment 1 of the present invention;
FIG. 2 is a front view of a base in embodiment 1 of the present invention;
fig. 3 is a front view of a base in which a knife module and a circuit breaker unit are installed in embodiment 1 of the present invention;
Fig. 4 is a top view of a circuit breaker unit in embodiment 1 of the present invention;
Fig. 5 is a side view of the circuit breaker unit in embodiment 1 of the present invention;
FIG. 6 is a schematic view of the structure of an output terminal in embodiment 1 of the present invention;
FIG. 7 is a schematic view showing an inverted output terminal in embodiment 1 of the present invention;
FIG. 8 is a schematic view showing another angle structure of the output terminal in embodiment 1 of the present invention;
Fig. 9 is a plan view of the output terminal housing and the circuit board in embodiment 1 of the present invention;
FIG. 10 is a plan view of an output terminal in embodiment 1 of the present invention;
Fig. 11 is a schematic structural view of a transformer in embodiment 1 of the present invention;
Fig. 12 is a schematic structural view of an output terminal housing in embodiment 1 of the present invention;
Fig. 13 is a front view of a wiring board in embodiment 1 of the invention;
fig. 14 is a schematic structural view of an output conductive sheet in embodiment 1 of the present invention;
FIG. 15 is a schematic drive diagram of the push rod, the drive lever, and the motor drive mechanism in embodiment 1 of the invention;
FIG. 16 is a schematic structural view of a push rod in embodiment 1 of the invention;
Fig. 17 is a plan view of the motor drive mechanism in embodiment 1 of the present invention.
Detailed Description
Example 1:
referring to fig. 1 to 17, a circuit breaker output terminal and input terminal separation structure includes a molded case circuit breaker 1, where the molded case circuit breaker 1 includes an input terminal 7, a base 2, a first upper cover 3, a knife switch module 4, a circuit breaker unit 5, and an output terminal 6. The input 7 is electrically connected to the output 6, in particular via the circuit breaker unit 5.
Be equipped with in the base 2 and hold chamber 21, hold the recess 22 that is equipped with on the chamber 21 and the adaptation of circuit breaker unit 5, the quantity of recess 22 here can be three or four, can adjust according to actual phase line number. The present embodiment will be described by taking only three grooves 22 as an example. Further, in order to ensure that the circuit breaker unit 5 does not fall off in the groove 22, a stopper 24 is provided above the input terminal 23, so that one end of the circuit breaker unit 5 abuts against the groove 22 and the other end abuts against the stopper 24. The side surface of the accommodating cavity 21 is provided with a convex rib 25, the top end of the circuit breaker unit 5 is provided with a notch 51, and the convex rib 25 is abutted against the notch 51. The arrangement of the rib 25 and the notch 51 provides for a further fixation of the circuit breaker unit 5, where the notch 51 is located on the side of the circuit breaker unit 5 facing the output 6.
The breaker unit 5 is provided with a first guide surface 52 on a bottom surface thereof. The provision of the first guide surface 52 makes installation more convenient.
The circuit breaker unit 5 is provided with an input conductive sheet 53, the input terminal 7 is provided with an input terminal 23, and the input conductive sheet 53 extends from the accommodating chamber 21 and is connected with the input terminal 23. The input conducting plate 53 extends out of the base 2 from the containing chamber 21 and is electrically connected with the input terminal 23, so that the connection is simple and convenient.
The blade module 4 is fixed to the breaker unit 5 by bolts above the breaker unit 5. Knife switch module 4 includes knife switch 41, and the linkage of knife switch 41 realizes separating brake and combined floodgate, and the lower extreme of knife switch 41 is connected with actuating lever 42, and drive actuating lever 42 can realize the dropout effect, and knife switch module 4 still is equipped with driving piece 43, and driving piece 43 is the rotation with moulded case circuit breaker 1 and is connected, and actuating lever 42 is located driving piece 43's movement track, and here driving piece 43 can reset through spring or torsional spring.
Be equipped with output casing 61 on output 6, circuit board 62 and second upper cover 63, circuit board 62 is fixed on the top of output casing 61, second upper cover 63 is detachable adapter sleeve with output casing 61 and establishes on the top of output casing 61, make circuit board 62 be located between output casing 61 and the second upper cover 63, be equipped with liquid crystal display 621 and button 622 on circuit board 62's the top, liquid crystal display 621 all stretches out from second upper cover 63 with button 622, form circuit board 62 indicating effect. Here, the top surfaces of the first upper cover 3 and the second upper cover 63 are flush with each other and are attached to each other, so that the base 2 is closed.
The circuit board 62 is provided with a protrusion 623 and at least two second positioning holes 624, where the number of the second positioning holes 624 can be increased according to actual requirements, and the embodiment only takes two second positioning holes 624 as an example. The protrusion 623 is specifically located on one side of the circuit board 62, and specifically, one protrusion 623 is formed by two notches 625, so that one side surface of the circuit board 62 is flat. The two second positioning holes 624 are located on the other side of the circuit board 62, so that a connecting line of the imaginary centers of one protrusion 623 and the two second positioning holes 624 forms a triangular structure, thereby ensuring the overall fixing effect, and the circuit board 62 is preferably an obtuse triangle, thereby ensuring that the circuit board 62 can be stably fixed on the output end housing 61.
a protruding part 614 is arranged on one side face of the top of the output end shell 61, the protruding part 614 specifically protrudes upwards vertically, a jack 615 is arranged on the protruding part 614, the jack 615 corresponds to a protrusion 623 on the circuit board 62, the length of the jack 615 is larger than that of the protrusion 623, the length of the jack 615 is set, the protrusion 623 is enabled to better extend into the jack 615, and the effect of unilateral fixation is achieved. A stop plate 616 is provided on the same side of the extension 614 to prevent the circuit board 62 from shifting during the mounting process.
Two bosses 617 are provided on the other side of the top of the output end housing 61, where the bosses 617 are located on the side of the output end housing 61, and the tops of the bosses 617 are flush with the top of the output end housing 61. Two second positioning posts 618 are disposed on the protrusion 617, the second positioning posts 618 correspond to the second positioning holes 624 of the circuit board 62, and the circuit board 62 is fixed by the second positioning posts 618. For convenience of fixing, a second guiding surface 619 is disposed on the second positioning pillar 618.
The connection structure between the output end 6 and the base 2 is that, the output end 6 partially stretches into the base 2, namely, the output end shell 61 is located the base 2, the bottom of the output end shell 61 is provided with a first positioning hole 611 and a positioning protrusion 612, the base 2 is provided with a first positioning column 26 and a positioning guide protrusion 27, the first positioning hole 611 is matched and fixed with the first positioning column 26, the positioning protrusion 612 is arranged with the positioning guide protrusion 27, the difficulty of assembly is further reduced, and the positioning protrusion 612 is arranged in a triangular shape.
The output end 6 is integrally connected and fixed with the base 2 through the second upper cover 63, specifically, a fixing hole 631 is formed in the second upper cover 63, a fixing column 28 is formed in the base 2, and the bolt penetrates through the fixing hole 631 and the fixing column 28 to enable the second upper cover 63 to be fixed with the base 2. Through the setting of fixed orifices 631 and fixed column 28, the rethread bolt is fixed for the monolithic stationary phase is firm more stable.
The second upper cover 63 is detachably connected to the output end housing 61, specifically, a clamping groove 632 is provided on the second upper cover 63, a clamping protrusion 613 corresponding to the clamping groove 632 is provided on the output end housing 61, and the two are matched to form a fixing. The number of the clamping protrusions 613 can be increased or decreased according to actual requirements, and the preferred scheme of the embodiment is that the left side and the right side of the clamping protrusions 613 are respectively provided with one clamping protrusion 613, the front side of the clamping protrusions 613 is provided with two clamping protrusions 613 at the rear end of the clamping protrusions 613, and all the periphery of the clamping protrusions 613 are clamped and fixed.
Be equipped with flip 633 on the second upper cover 63, flip 633 is to rotate with second upper cover 63 and is connected, specifically is equipped with the pivot hole on the second upper cover 63, is equipped with the pivot on flip 633, and the pivot stretches into to pivot downthehole fixed, forms to rotate to connect. Due to the arrangement of the flip cover 633, a user can watch the indication information on the circuit board 62 through the flip cover 633, and in addition, the dustproof and waterproof effects are also achieved, so that the circuit board 62 is better protected.
Further, the flip 633 is a transparent setting. The flip cover 633 is transparent, so that a user can observe the indication information on the circuit board 62 without opening the flip cover 633, and the operation is more convenient and visual.
be equipped with mutual-inductor 64 and output conducting strip 65 on the output casing 61, the installation cavity 8 that is equipped with on the output casing 61, the quantity of installation cavity 8 here is unanimous with moulded case circuit breaker 1's phase line number, and here is three, and every installation cavity 8's structure is the same, and the only difference lies in the installation cavity 8 bottom surface that is located the centre and the junction of two sides and is inclined plane 81 setting, and all other structures are similar, so the description that does not repeat here, only describes the structure of one of them installation cavity 8. The mounting cavities 8 are all formed in one piece of plastic.
The installation cavity 8 is an open cavity, i.e. the top surface is provided with an opening, which is mainly used for assembling the transformer 64. Be equipped with trapezoidal trompil 82 on the bottom surface of installation cavity 8, trapezoidal trompil 82 is used for stretching out of conducting strip, and input and output are connected to the conducting strip, and trapezoidal trompil 82 is big end down's structure promptly, and the width of conducting strip forms the block with the lower extreme adaptation of trapezoidal trompil 82 and fixes. The provision of the trapezoidal opening 82 firstly improves the heat dissipation effect of the output conductive sheet 65, and secondly, enables the output conductive sheet 65 to have a fixing effect. Here, the transformer 64 is provided with a through hole 641, one end of the output conductive sheet 65 extends out from the trapezoidal opening 82 to be connected with the output terminal, and the other end of the output conductive sheet 65 extends out from the through hole 641 to be connected with the connection terminal, so that the electrical connection is formed. The output conductive sheet 65 is here zigzag-shaped.
The height of the installation cavity 8 is larger than that of the mutual inductor 64, and the height difference is 0.1-1mm, so that the mutual inductor 64 can move slightly in the installation cavity 8 and is mainly used for assembling the mutual inductor 64. The mounting cavity 8 is detachably connected with the mutual inductor 64, the specific structure of the mounting cavity is that a convex block 83 is arranged on the side surface of the mounting cavity 8, a first clamping groove 642 matched with the convex block 83 is arranged on the side surface of the mutual inductor 64, and the mutual inductor 64 and the mounting cavity 8 are fixedly connected through the matching of the convex block 83 and the first clamping groove 642. Inclined plane 81 is equipped with between the bottom surface of installation cavity 8 and the side, is equipped with brace rod 811 on the inclined plane 81, and brace rod 811's effect is the intensity that increases inclined plane 81, prevents to press too violently in the assembly process, leads to inclined plane 81 fracture.
Further, a third guide surface 84 is provided on the side surface of the mounting cavity 8. The third guide surface 84 is provided to better conform to the assembly effect between the transformer 64 and the installation cavity 8.
Further, a first guide chute 85 is arranged on the lower end surface of the mounting cavity 8. The arrangement of the first guide sliding groove 85 enables the mutual inductor 64 to form a guide effect through the first guide sliding groove 85 in the assembling process, and the assembling is easier.
at the same time, in order to further prevent the mutual inductor 64 from slipping out of the installation chamber 8, a stop member 86 is provided at the open end of the installation chamber 8, and the stop member 86 may be located at any position of the open end, preferably at the top of the first guide chute 85. The blocking member 86 is specifically configured as a barb, and the first guide chute 85 is located right below the barb, so that when the transformer 64 is installed in the installation cavity 8, the transformer 64 can slide to be located below the barb to achieve the effect of blocking and fixing.
Further, a fourth guide surface 861 is provided on the outer side of the stopper 86. The provision of the fourth guide surface 861 on the blocking member 86 facilitates the assembly of the instrument transformer 64.
The circuit breaker unit 5 is provided with a connecting end 54, the base 2 is provided with an output terminal 29, one end of an output conducting strip 65 is connected with the output end 54, the output conducting strip is fixedly connected through a bolt, and the other end of the output conducting strip 65 penetrates through a mutual inductor 64 to be electrically connected with the output terminal 29. The connecting end 54 is provided with a connecting hole I541, the output conducting sheet 65 is provided with a connecting hole II 651, and a bolt penetrates through the connecting hole I541 and is fixed with the connecting hole II 651. Here, since the output conductive sheet 65 is zigzag-shaped, the connection point of the output conductive sheet 65 and the connection terminal 54 is oblique, which ensures the stability of the electrical connection, and the oblique angle is preferably 45 °.
The arrangement of the output conducting strip 65 is adopted, so that the connection is more convenient, and the module 6 is connected with the circuit breaker unit 5 through the output end 54, so that the assembly is more convenient.
The output end housing 61 is provided with a containing cavity 610 and a through groove 6101, wherein the containing cavity 610 and the through groove 6101 are in a communicating state. The accommodating cavity 610 is internally provided with a motor driving mechanism 9, the through groove 6101 is used for placing the push rod 91, and the push rod 91 slides in the through groove 6101. The top of the chamber 610 is provided with a through hole 6102, the through hole 6102 is communicated with the circuit board 62, forming an electrical communication between the circuit board 62 and the motor driving mechanism 9. The motor driving mechanism 9 comprises a motor 92, an output shaft 921 is arranged on the motor 92, a spring 922 is sleeved on the output shaft 921, and the output shaft 921 moves in the axial direction.
the push rod 91 includes a push portion 911, a connection portion 912, and a driving portion 913, the push portion 911 is connected to the driving portion 913 through the connection portion 912, the driving member 43 is located on the movement track of the driving portion 913, the connection portion 912 is horizontally disposed and located in the through groove 6101 and can slide in the through groove 6101, the connection portion 912 is provided with a stopper 915, and the output end housing 61 is located on the movement track of the stopper 915. The pushing portion 911 and the driving portion 913 are both vertically connected to the connecting portion 912, so that the push rod 91 is suitable for pushing. Further, a guide block 914 is arranged at the joint of the connecting portion 912 and the driving portion 913, and the guide block 914 is attached to the top end of the through slot 6101 to form a guiding effect, so as to prevent the push rod 91 from shifting in the moving process. The driving portion 913 is composed of a vertical surface and an inclined surface, the inclined surface is connected to the bottom end of the vertical surface, and the inclined surface is obliquely disposed toward the connecting portion 912. The push rod 91 is integrally formed of plastic. Here, the second upper cover 63 is provided with a housing groove 916 that is fitted to the push portion 911, and the housing groove 916 communicates with the through groove 6101. The push part 911 partially extends out of the accommodating groove 916, and the exceeding size of the push part is smaller than 5mm, so that the overall shape is not affected, and a convex shape can be formed, and the push part is convenient to press.
Be equipped with baffle 634 and elastic retaining piece 635 on the second upper cover 63, baffle 634 is the rotation with second upper cover 63 and is connected, specifically is equipped with the pivot hole on the second upper cover 63, is equipped with the pivot at baffle 634 both ends, and the pivot stretches into to the pivot is downthehole to make baffle 634 be the rotation with second upper cover 63 and is connected. The baffle 634 is located on the motion track of the output shaft 921, an inserting sheet 6341 is arranged on one side of the baffle 634, and the inserting sheet 6341 is inserted into the accommodating cavity 610 to form guiding fixation. The elastic blocking piece 635 is located on the motion track of the blocking plate 634, when the output shaft 921 extends to push the blocking plate 634 to move, the blocking plate 634 drives the driving rod 42 to move to realize tripping, but due to the arrangement of the elastic blocking piece 635, the blocking plate 634 cannot be overturned excessively. After tripping is completed, the output shaft 921 is reset, and the baffle 634 automatically slides down to return to the original position due to the action of gravity.
at first input 7 and output 6 are connected through the circuit breaker unit for input 7 and output 6 form electrical connection, and output 6 is detachable connection with base 2, makes input 7 and output 6 form the isolating construction, and in input 7 assembly process, the output conducting strip is connected with the link and is formed and be connected fixedly, and here connected mode specifically passes through bolted connection, has guaranteed the intensity of connection and electrical connection's effect.
Claims (10)
1. The utility model provides a circuit breaker output and input isolating construction, includes moulded case circuit breaker, its characterized in that: moulded case circuit breaker includes the input, the circuit breaker unit, base and output, be equipped with input terminal on the input, be equipped with output terminal on the output, be equipped with the recess with circuit breaker unit adaptation on the base, be equipped with input conducting strip and link on the circuit breaker unit, input conducting strip stretches out to input terminal's top and rather than the laminating, the output is detachable connection with the base, be equipped with output conducting strip on the output, output conducting strip one end stretches out to output terminal's top and rather than the laminating, the other end stretches out to the top of link rather than passing through bolted connection fixed.
2. The structure for separating the output terminal from the input terminal of the circuit breaker as claimed in claim 1, wherein: the connecting end is provided with a connecting hole I, the output conducting plate is provided with a connecting hole II, and the bolt penetrates through the connecting hole I and is fixed with the connecting hole II.
3. The structure for separating the output terminal from the input terminal of the circuit breaker as claimed in claim 2, wherein: the output end is provided with a mutual inductor, and an output conducting strip penetrates through the mutual inductor to be connected with the connecting end.
4. the structure for separating the output terminal from the input terminal of the circuit breaker as claimed in claim 1, wherein: the knife switch comprises a knife switch, and the lower end of the knife switch is connected with a driving rod; the output end is provided with a circuit board, a push rod and a motor driving mechanism, and the circuit board controls the motor driving mechanism to move to push the driving rod to move; the driving rod is positioned on the motion track of one end of the push rod, and the other end of the push rod penetrates out of the output end from the output end.
5. The structure for separating the output end from the input end of the circuit breaker as claimed in claim 4, wherein: the push rod includes promotion portion, connecting portion and drive division, and promotion portion passes through connecting portion and is connected with the drive division, and the actuating lever is located the movement track of drive division, is equipped with in the output with the logical groove of push rod adaptation, connecting portion are the level setting, and promotion portion is perpendicular with connecting portion and is connected.
6. The structure for separating the output end from the input end of the circuit breaker as claimed in claim 4, wherein: the motor driving mechanism comprises a motor, an output shaft is arranged on the motor, a spring is sleeved on the output shaft, and the output shaft moves to enable the driving rod to move.
7. The structure for separating the output terminal from the input terminal of the circuit breaker as claimed in claim 1, wherein: the output end is provided with an output end shell and an upper cover, the circuit board is positioned above the output end shell, the upper cover and the output end shell are detachably connected and are sleeved above the output end shell for fixing, the circuit board is provided with a liquid crystal display and a button, and the liquid crystal display and the button extend out of the upper cover; the upper cover is detachably connected with the base.
8. the structure for separating the output terminal from the input terminal of the circuit breaker as claimed in claim 7, wherein: a side face of the top of the output end shell is provided with an extending part, the extending part is provided with a jack, the top of the output end shell is provided with at least two second positioning columns, a bulge and a second positioning hole are arranged on the circuit board, the bulge extends into the jack and is fixed, and the second positioning hole is matched and fixed with the second positioning columns; the jack and the second positioning column form a triangle for fixing.
9. The structure for separating the output terminal from the input terminal of the circuit breaker as claimed in claim 1, wherein: be equipped with the fixed orifices on the output, be equipped with the fixed column on the base, the bolt passes fixed orifices and fixed column for output module and base are connected fixedly.
10. the structure for separating the output terminal from the input terminal of the circuit breaker as claimed in claim 9, wherein: the bottom of the output end module is provided with a first positioning hole, the base is provided with a first positioning column, and the first positioning hole is matched and fixed with the first positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646989.6A CN110556272A (en) | 2019-07-17 | 2019-07-17 | Circuit breaker output and input separation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646989.6A CN110556272A (en) | 2019-07-17 | 2019-07-17 | Circuit breaker output and input separation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110556272A true CN110556272A (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910646989.6A Pending CN110556272A (en) | 2019-07-17 | 2019-07-17 | Circuit breaker output and input separation structure |
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| Country | Link |
|---|---|
| CN (1) | CN110556272A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20090044233A (en) * | 2007-10-31 | 2009-05-07 | 진흥전기 주식회사 | Lead of circuit breaker |
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