CN113921338A - Electronic molded case circuit breaker with protection structure for low-voltage circuit connection - Google Patents
Electronic molded case circuit breaker with protection structure for low-voltage circuit connection Download PDFInfo
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- CN113921338A CN113921338A CN202111180363.4A CN202111180363A CN113921338A CN 113921338 A CN113921338 A CN 113921338A CN 202111180363 A CN202111180363 A CN 202111180363A CN 113921338 A CN113921338 A CN 113921338A
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- 241000446313 Lamella Species 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 10
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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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
- H01H71/02—Housings; Casings; Bases; Mountings
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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
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the technical field of molded case circuit breakers, in particular to an electronic molded case circuit breaker with a protection structure for low-voltage circuit connection, which comprises a circuit breaker body, wherein the circuit breaker body comprises a shell, a brake lever is movably mounted on the front surface of the shell, sliding grooves are formed in the side walls of the upper end and the lower end of the shell, a containing groove is formed in the rear end of each sliding groove, a fixture block is movably mounted in each containing groove, a spring is fixedly welded at the tail end of each fixture block, three groups of wiring grooves are formed in the upper surface and the lower surface of the shell respectively, wiring terminals are fixedly mounted in each wiring groove, a mounting groove is formed between every two adjacent groups of wiring grooves, and a protection mechanism is mounted on the circuit breaker body. The circuit breaker body can protect the connecting part in all directions by arranging the protection mechanism, avoids accidental contact of personnel, is provided with the operation hole, is convenient to fix the cable body, is convenient to install, and can ensure stable operation of the circuit breaker body.
Description
Technical Field
The invention relates to the technical field of molded case circuit breakers, in particular to an electronic molded case circuit breaker with a protection structure for low-voltage circuit connection.
Background
The molded case circuit breaker is also called a device type circuit breaker, the contact, the arc extinguish chamber, the release, the operating mechanism and the like are all arranged in one plastic shell, the auxiliary contact, the under-voltage release, the shunt release and the like are modularized in many ways, and the molded case circuit breaker basically cannot be overhauled due to the very compact structure. The overcurrent release has two types of thermomagnetic type and electronic type, the general thermomagnetic type molded case circuit breaker is a nonselective circuit breaker and only has two protection modes of overload long delay and short circuit instant, and the electronic type molded case circuit breaker has four protection functions of overload long delay, short circuit short delay, short circuit instant and ground fault. The newly-released products of part of electronic molded case circuit breakers also have the function of regional selective interlocking. Most molded case circuit breakers are manually operated and also have a partially motorized operating mechanism.
But moulded case circuit breaker when the installation, need inject the cable in the wiring groove to use the rotatory screw of instrument, promote cable and terminal and closely laminate, and for making things convenient for cable and terminal connection, the terminal is most directly exposed in the air, and the junction of cable and terminal receives the erosion of dust and moisture in the air easily, influences the job stabilization nature of circuit breaker, and personnel touch exposed part by mistake easily and cause the electric shock, has reduced the practicality of circuit breaker.
Therefore, in order to solve the above problems, an electronic molded case circuit breaker having a protection structure for low voltage circuit connection is proposed.
Disclosure of Invention
The invention aims to provide an electronic molded case circuit breaker with a protection structure for low-voltage circuit connection, which aims to solve the problems that when the molded case circuit breaker provided in the background technology is installed, a cable needs to be inserted into a wiring groove, a screw is rotated by a tool to push the cable to be tightly attached to a wiring terminal, the wiring terminal is mostly and directly exposed in the air, the joint of the cable and the wiring terminal is easily corroded by dust and moisture in the air to influence the working stability of the circuit breaker, and personnel easily touch the exposed part by mistake to cause electric shock, so that the practicability of the circuit breaker is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: an electronic molded case circuit breaker with a protection structure for low-voltage circuit connection comprises a breaker body, wherein the breaker body comprises a shell, a brake lever is movably mounted on the front surface of the shell, sliding grooves are formed in the side walls of the upper end and the lower end of the shell, a containing groove is formed in the rear end of each sliding groove, a clamping block is movably mounted in each containing groove, springs are fixedly welded at the tail ends of the clamping blocks, three groups of wiring grooves are respectively formed in the upper surface and the lower surface of the shell, binding posts are fixedly mounted in the wiring grooves, a mounting groove is formed between every two adjacent groups of wiring grooves, a protection mechanism is mounted on the breaker body and comprises a top plate, top plates are respectively sleeved at the upper end and the lower end of the shell, side plates are fixedly connected to the two sides of the top plate, fixed blocks are fixedly mounted on the inner side surfaces of the side plates, and clamping grooves are formed in the fixed blocks, the top surface of roof has seted up the plug wire groove, the handle hole has been seted up in the front of roof, the catching groove has been seted up to the bottom surface of handle hole, fixed mounting has spacing lug on the lateral wall of handle hole, the inside movable mounting of handle hole has the board that turns over, the bottom surface fixed mounting of roof has the arc extinguishing plate, the internally mounted of circuit breaker body has the chucking structure, install fixed knot on the protection machanism and construct, the upper and lower both ends of circuit breaker body are inserted and are equipped with the cable body.
Preferably, the clamping structure includes the bolt, the inside movable mounting in wiring groove has the bolt, the middle part swing joint of bolt has solid fixed ring, gu fixed ring's side fixed welding has the connecting rod, the tail end fixedly connected with fixed disk of bolt, the outside movable mounting of fixed disk has outer cover piece, the rear side fixedly connected with push pedal of outer cover piece, the movable groove has been seted up to the lateral wall of push pedal, the inside swing joint in movable groove has the connecting block.
Preferably, the fixed knot constructs including the base, the top surface fixedly connected with base of roof, the top surface fixedly connected with chucking lamella of base, the outside threaded connection of chucking lamella has the spinning block.
Preferably, the top surface of the clamping block is an inclined surface, the tail end of the spring is fixedly connected with the side wall of the accommodating groove, the top plate is of an L-shaped structure, the side plate is located on the side face of the shell, the fixing block is movably mounted in the sliding groove, and the top end of the clamping block is clamped in the clamping groove.
Preferably, the total three groups of plug wire groove, the plug wire groove aligns with the base, the diameter of plug wire groove equals with the internal diameter of base, the bottom movable mounting of arc-extinguishing plate is in the inside of mounting groove, the arc-extinguishing plate is located between adjacent two sets of terminals.
Preferably, the operating holes are three groups in total, the wiring grooves are aligned with the operating holes, the upper end of the turning plate is movably connected with the side wall of the operating holes, the limiting lugs are two groups in total, the limiting lugs are located on the front side of the turning plate, the two groups of limiting lugs are respectively located on the upper end and the lower end of the side wall of the operating holes, the limiting block is mounted on the rear side of the turning plate, and the limiting block is fixedly connected with the bottom surface of the operating holes.
Preferably, the connecting rod is fixedly connected with the side wall of the wiring groove, the fixing ring is located inside the wiring groove, the bolt is in threaded connection with the fixing ring, the diameter of the fixing disk is larger than the opening diameter of the outer sleeve block, and the fixing disk is movably mounted inside the outer sleeve block.
Preferably, the rear side wall of push pedal is the arc, the bottom of cable body is located between terminal and the push pedal, the lateral wall and the cable body lateral wall laminating of push pedal and terminal.
Preferably, the connecting block is fixedly installed on the side wall of the wiring groove, the connecting block is movably installed in the movable groove, and the front end of the bolt is located on the rear side of the turning plate.
Preferably, the base is the annular structure, the chucking lamella is the arc structure, the total three groups of chucking lamella, the piece cover of screwing is established on the chucking lamella, the base is run through to the cable body.
Compared with the prior art, the invention has the beneficial effects that: the circuit breaker body can protect the connecting part in all directions by arranging the protection mechanism, avoids accidental contact of personnel, is provided with the operation hole, is convenient to fix the cable body, is convenient to install, and can ensure stable operation of the circuit breaker body.
The circuit breaker is provided with a top plate and a side plate, which can carry out omnibearing protection on a wiring position on a shell, can play a certain dustproof and moistureproof effect while avoiding accidental contact of personnel, can ensure the stable operation of a circuit breaker body, is provided with a chute and a fixed block, can ensure the fixed block to move in the chute so as to ensure that a protection mechanism is more convenient to connect with the circuit breaker body, improves the practicability of the circuit breaker body, is provided with an operation hole, is convenient to fix the cable body, is provided with a limit lug and a turning plate, can ensure that the limit lug can turn over in the operation hole, can prevent the accidental contact of the personnel, provides limit for the movement of the turning plate, is provided with a fixed disc and an outer sleeve block, ensures that a user drives the fixed disc to rotate in the outer sleeve block when rotating a bolt, simultaneously, the bolt is engaged with a fixed ring, provides acting force for pushing the bolt, and ensures that the push plate slides in the wiring groove, promote the cable body and press close to the terminal, realize fixing to the cable body, avoid the cable body directly to receive rotatory bolt promotion, make the cable body at the inside offset of wiring groove, hard to control, and then influence the flow of the inside electric current of circuit breaker body, be provided with the chucking lamella simultaneously and the piece of screwing, make the rotation of the piece of screwing on the chucking lamella, can tighten up three group's chucking lamellas, make the surface of three group's chucking lamellas of group and cable body tightly laminate, realize the fixed to the cable body, avoid when arranging the cable body and walk the line, stimulate the cable body, make the cable body break away from wiring inslot portion, guarantee the practicality of circuit breaker body.
Drawings
Fig. 1 is a schematic front view of the structure of the circuit breaker body of the present invention;
FIG. 2 is a schematic top sectional view of the top plate of the present invention;
FIG. 3 is a schematic top sectional view of the structure of the receiving groove of the present invention;
FIG. 4 is an exploded view of the structure of the mounting structure of the present invention;
FIG. 5 is a schematic side view of the structure of the clamping mechanism of the present invention;
FIG. 6 is a schematic top sectional view of the outer casing block according to the present invention;
FIG. 7 is a schematic side sectional view of the structure of the operation hole of the present invention.
In the figure: 1. a circuit breaker body; 11. a housing; 12. a brake lever; 13. a chute; 14. a receiving groove; 15. a clamping block; 16. a spring; 17. a wiring slot; 18. a binding post; 19. mounting grooves; 2. a protection mechanism; 21. a top plate; 22. a side plate; 23. a fixed block; 24. a card slot; 25. a wire inserting groove; 26. an operation hole; 27. buckling grooves; 28. a limiting bump; 29. turning over a plate; 210. an arc extinguishing plate; 3. a clamping structure; 31. a bolt; 32. a fixing ring; 33. a connecting rod; 34. fixing the disc; 35. an outer sleeve block; 36. pushing the plate; 37. a movable groove; 38. connecting blocks; 4. a fixed structure; 41. a base; 42. clamping the valve; 43. screwing the block; 5. a cable body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention is shown: an electronic molded case circuit breaker with a protection structure for low-voltage circuit connection comprises a circuit breaker body 1, wherein the circuit breaker body 1 comprises a shell 11, a brake lever 12 is movably mounted on the front surface of the shell 11, sliding grooves 13 are formed in the side walls of the upper end and the lower end of the shell 11, accommodating grooves 14 are formed in the rear end of the sliding grooves 13, clamping blocks 15 are movably mounted in the accommodating grooves 14, springs 16 are fixedly welded at the tail ends of the clamping blocks 15, three groups of wiring grooves 17 are respectively formed in the upper surface and the lower surface of the shell 11, wiring terminals 18 are fixedly mounted in the wiring grooves 17, a mounting groove 19 is formed between every two adjacent groups of wiring grooves 17, a protection mechanism 2 is mounted on the circuit breaker body 1, the protection mechanism 2 comprises a top plate 21, top plates 21 are respectively sleeved at the upper end and the lower end of the shell 11, side plates 22 are fixedly connected to the two sides of the top plate 21, fixed blocks 23 are fixedly mounted on the inner side surfaces of the side plates 22, clamping grooves 24 are formed in the fixing blocks 23, inserting groove 25 has been seted up to the top surface of roof 21, handle hole 26 has been seted up in the front of roof 21, catching groove 27 has been seted up to the bottom surface of handle hole 26, fixed mounting has spacing lug 28 on the lateral wall of handle hole 26, the inside movable mounting of handle hole 26 has turning over board 29, the bottom surface fixed mounting of roof 21 has arc extinguishing plate 210, the internally mounted of circuit breaker body 1 has chucking structure 3, install fixed knot on the protection machanism 2 and construct 4, the upper and lower both ends of circuit breaker body 1 are inserted and are equipped with cable body 5.
Further, the clamping structure 3 includes a bolt 31, a bolt 31 is movably mounted inside the wiring groove 17, a fixing ring 32 is movably connected to the middle of the bolt 31, a connecting rod 33 is fixedly welded to the side surface of the fixing ring 32, a fixing disc 34 is fixedly connected to the tail end of the bolt 31, an outer sleeve block 35 is movably mounted on the outer side of the fixing disc 34, a push plate 36 is fixedly connected to the rear side of the outer sleeve block 35, a movable groove 37 is formed in the side wall of the push plate 36, a connecting block 38 is movably connected inside the movable groove 37, so that a user can drive the fixing disc 34 to rotate inside the outer sleeve block 35 when rotating the bolt 31, and meanwhile, the bolt 31 is engaged with the fixing ring 32 to provide an acting force for pushing the push plate 36 to the bolt 31, so that the push plate 36 slides inside the wiring groove 17 to push the cable body 5 to approach the wiring terminal 18, thereby fixing the cable body 5 and avoiding the cable body 5 from being directly pushed by the rotating bolt 31, the position of the cable body 5 inside the wiring groove 17 is displaced, which makes it difficult to control, and further affects the flow of current inside the breaker body 1.
Further, fixed knot constructs 4 and includes base 41, the top surface fixedly connected with base 41 of roof 21, the top surface fixedly connected with chucking lamella 42 of base 41, chucking lamella 42's outside threaded connection has the piece 43 of screwing in, make the rotation of the piece 43 of screwing in on chucking lamella 42, can tighten up three groups of chucking lamella 42, make three groups of chucking lamella 42 and cable body 5's surface tightly laminate, the realization is fixed to cable body 5, avoid when arranging cable body 5 and walk the line, pulling cable body 5, make cable body 5 break away from wiring groove 17 inside, guarantee circuit breaker body 1's practicality.
Further, the top surface of fixture block 15 is the inclined plane, the tail end of spring 16 and the lateral wall fixed connection who accomodates groove 14, roof 21 is "L" shape structure, curb plate 22 is located the side of shell 11, fixed block 23 movable mounting is in the inside of spout 13, the top card of fixture block 15 is in the inside of draw-in groove 24, when making fixed block 23 and fixture block 15 contact, can promote inside fixture block 15 indentation accomodates groove 14, and when lining up with draw-in groove 24, stretch out, the card is inside draw-in groove 24, realize the swift connection between protection machanism 2 and the circuit breaker body 1.
Further, three groups of plug wire grooves 25 are total, plug wire grooves 25 align with base 41, the diameter of plug wire grooves 25 equals to base 41's internal diameter, the bottom movable mounting of arc-extinguishing plate 210 is in the inside of mounting groove 19, arc-extinguishing plate 210 is located between two adjacent sets of terminals 18, make cable body 5 can get into wiring groove 17 inside via plug wire grooves 25, avoid electric arc transmission between two adjacent sets of terminals 18, damage circuit breaker body 1.
Further, the total three groups of operation hole 26, wiring groove 17 aligns with operation hole 26, the upper end of turning over board 29 and the lateral wall swing joint of operation hole 26, spacing lug 28 is total two sets, spacing lug 28 is located the front side of turning over board 29, two sets of spacing lugs 28 are located the upper and lower end of operation hole 26 lateral wall respectively, the stopper is installed to the rear side of turning over board 29, and stopper and operation hole 26's bottom surface fixed connection, make the user can be rotatory via the inside bolt 31 of operation hole 26 control wiring groove 17, make to turn over board 29 the position when opening and closing keep fixed, avoid turning over board 29 and receive external influence and can't close, make the dust can get into.
Furthermore, the connecting rod 33 is fixedly connected with the side wall of the wiring slot 17, the fixing ring 32 is located inside the wiring slot 17, the bolt 31 is in threaded connection with the fixing ring 32, the diameter of the fixing disc 34 is larger than the opening diameter of the outer sleeve block 35, the fixing disc 34 is movably mounted inside the outer sleeve block 35, so that the bolt 31 is engaged with the fixing ring 32, the bolt 31 can be guaranteed to move inside the wiring slot 17, the push plate 36 can be pushed to horizontally move inside the wiring slot 17, and the fixing disc 34 is prevented from falling off from the inside of the outer sleeve block 35.
Further, the rear side wall of push pedal 36 is the arc, and the bottom of cable body 5 is located between terminal 18 and push pedal 36, and push pedal 36 and terminal 18's lateral wall and the laminating of cable body 5 lateral wall guarantee the laminating degree of push pedal 36 and cable body 5, make terminal 18 and connecting block 38 can press from both sides tight cable body 5, are convenient for fix the bottom of cable body 5.
Furthermore, the connecting block 38 is fixedly installed on the side wall of the wiring groove 17, the connecting block 38 is movably installed inside the movable groove 37, and the front end of the bolt 31 is located at the rear side of the turning plate 29, so that the push plate 36 can slide on the connecting block 38, the movement of the push plate 36 inside the wiring groove 17 is kept stable, the bolt 31 is prevented from blocking the turning plate 29, and the turning plate 29 cannot be closed.
Further, the base 41 is of an annular structure, the clamping flaps 42 are of an arc-shaped structure, the clamping flaps 42 are three groups in total, the screwing block 43 is sleeved on the clamping flaps 42, the cable body 5 penetrates through the base 41, the fitting degree of the clamping flaps 42 and the surface of the cable body 5 is guaranteed, the screwing block 43 rotates on the clamping flaps 42, and the cable body 5 can be clamped tightly by the three groups of clamping flaps 42.
The working principle is as follows: during the use, can cover roof 21 at the both ends of shell 11, and promote roof 21, make the fixed block 23 at the inside activity of spout 13, then fixed block 23 can promote fixture block 15, make fixture block 15 receive and accomodate the inside of groove 14, and when fixture block 15 aligns with draw-in groove 24, stretch out, the card advances inside draw-in groove 24, it is more convenient to guarantee to be connected of protection machanism 2 and circuit breaker body 1, can carry out omnidirectional protection to the junction of circuit breaker body 1 simultaneously, when avoiding personnel's mistake to touch, play certain dustproof dampproofing effect, can guarantee circuit breaker body 1 even running, improve the practicality of circuit breaker body 1, can catch the bottom surface that turns over board 29, and the upset, make to turn over the upside that board 29 is located spacing lug 28, keep turning over the angle of board 29 fixed.
Then the bottom end of the cable body 5 passes through the plug slot 25 and is inserted into the wiring slot 17, and the bolt 31 is rotated by a tool, the bolt 31 is engaged with the fixed ring 32, the push plate 36 is pushed to move horizontally in the wiring slot 17, the cable body 5 is prevented from being directly pushed by the rotated bolt 31, the position of the cable body 5 in the wiring slot 17 is deviated and is difficult to control, thereby influencing the current flow in the breaker body 1, fixing the bottom end of the cable body 5 between the binding post 18 and the push plate 36, then the screwing block 43 is rotated, the screwing block 43 rotates on the clamping flaps 42, so that the three groups of clamping flaps 42 can be tightened, the three groups of clamping flaps 42 are tightly attached to the surface of the cable body 5, the cable body 5 is fixed, and when the cable body 5 is arranged, the cable body 5 is pulled to separate the cable body 5 from the inside of the wiring groove 17, and the practicability of the circuit breaker body 1 is guaranteed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a low-voltage circuit connects with electronic type moulded case circuit breaker who has protective structure, includes circuit breaker body (1), its characterized in that: the breaker body (1) comprises a shell (11), a brake lever (12) is movably mounted on the front surface of the shell (11), sliding grooves (13) are formed in the side walls of the upper end and the lower end of the shell (11), a containing groove (14) is formed in the rear end of the sliding grooves (13), a clamping block (15) is movably mounted in the containing groove (14), a spring (16) is fixedly welded at the tail end of the clamping block (15), three wiring grooves (17) are formed in the upper surface and the lower surface of the shell (11) respectively, a binding post (18) is fixedly mounted in the wiring grooves (17), mounting grooves (19) are formed between every two adjacent wiring grooves (17), a protection mechanism (2) is mounted on the breaker body (1), the protection mechanism (2) comprises a top plate (21), and top plates (21) are respectively sleeved at the upper end and the lower end of the shell (11), two sides of the top plate (21) are fixedly connected with side plates (22), the inner side surfaces of the side plates (22) are fixedly provided with fixing blocks (23), a clamping groove (24) is arranged on the fixed block (23), a wire inserting groove (25) is arranged on the top surface of the top plate (21), the front surface of the top plate (21) is provided with an operation hole (26), the bottom surface of the operation hole (26) is provided with a buckle groove (27), a limit lug (28) is fixedly arranged on the side wall of the operation hole (26), a turning plate (29) is movably arranged in the operation hole (26), an arc extinguishing plate (210) is fixedly arranged on the bottom surface of the top plate (21), a clamping structure (3) is arranged inside the breaker body (1), a fixing structure (4) is arranged on the protection mechanism (2), the upper end and the lower end of the breaker body (1) are inserted with cable bodies (5).
2. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 1, wherein: chucking structure (3) include bolt (31), the inside movable mounting of wiring groove (17) has bolt (31), the middle part swing joint of bolt (31) has solid fixed ring (32), the side fixed welding of solid fixed ring (32) has connecting rod (33), the tail end fixedly connected with fixed disk (34) of bolt (31), the outside movable mounting of fixed disk (34) has outer cover piece (35), the rear side fixedly connected with push pedal (36) of outer cover piece (35), movable groove (37) have been seted up to the lateral wall of push pedal (36), the inside swing joint of movable groove (37) has connecting block (38).
3. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 1, wherein: fixed knot constructs (4) including base (41), the top surface fixedly connected with base (41) of roof (21), the top surface fixedly connected with chucking lamella (42) of base (41), the outside threaded connection of chucking lamella (42) has the piece of screwing (43).
4. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 1, wherein: the top surface of the clamping block (15) is an inclined surface, the tail end of the spring (16) is fixedly connected with the side wall of the accommodating groove (14), the top plate (21) is of an L-shaped structure, the side plate (22) is located on the side face of the shell (11), the fixing block (23) is movably mounted inside the sliding groove (13), and the top end of the clamping block (15) is clamped inside the clamping groove (24).
5. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 1, wherein: the wiring groove (25) is total three groups, wiring groove (25) aligns with base (41), the diameter of wiring groove (25) equals with the internal diameter of base (41), the bottom movable mounting of arc-extinguishing plate (210) is in the inside of mounting groove (19), arc-extinguishing plate (210) are located between adjacent two sets of terminal (18).
6. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 1, wherein: the novel wire connecting structure is characterized by comprising three groups of operating holes (26), wherein the wire connecting grooves (17) are aligned with the operating holes (26), the upper end of the turning plate (29) is movably connected with the side wall of the operating holes (26), the two groups of limiting lugs (28) are arranged, the limiting lugs (28) are arranged on the front side of the turning plate (29), the two groups of limiting lugs (28) are respectively arranged on the upper end and the lower end of the side wall of the operating holes (26), and the limiting blocks are arranged on the rear side of the turning plate (29) and fixedly connected with the bottom surface of the operating holes (26).
7. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 2, wherein: connecting rod (33) and the lateral wall fixed connection of wiring groove (17), gu fixed ring (32) are located the inside of wiring groove (17), bolt (31) and gu fixed ring (32) threaded connection, the diameter of fixed disk (34) is greater than the opening diameter of outer cover piece (35), fixed disk (34) movable mounting is in the inside of outer cover piece (35).
8. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 2, wherein: the rear side wall of the push plate (36) is arc-shaped, the bottom end of the cable body (5) is located between the binding post (18) and the push plate (36), and the side walls of the push plate (36) and the binding post (18) are attached to the side wall of the cable body (5).
9. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 2, wherein: the connecting block (38) is fixedly arranged on the side wall of the wiring groove (17), the connecting block (38) is movably arranged in the movable groove (37), and the front end of the bolt (31) is positioned on the rear side of the turning plate (29).
10. The electronic molded case circuit breaker with a protective structure for low voltage circuit connection according to claim 3, wherein: base (41) are the annular structure, chucking lamella (42) are the arc structure, chucking lamella (42) total three groups, establish on chucking lamella (42) soon tight piece (43), base (41) are run through in cable body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180363.4A CN113921338B (en) | 2021-10-11 | 2021-10-11 | Electronic molded case circuit breaker with protective structure for low-voltage circuit connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180363.4A CN113921338B (en) | 2021-10-11 | 2021-10-11 | Electronic molded case circuit breaker with protective structure for low-voltage circuit connection |
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| Publication Number | Publication Date |
|---|---|
| CN113921338A true CN113921338A (en) | 2022-01-11 |
| CN113921338B CN113921338B (en) | 2024-03-26 |
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| CN202111180363.4A Active CN113921338B (en) | 2021-10-11 | 2021-10-11 | Electronic molded case circuit breaker with protective structure for low-voltage circuit connection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024995A (en) * | 2019-11-26 | 2020-04-17 | 国网山东省电力公司潍坊供电公司 | Novel anti-electricity-theft ammeter case |
| CN117423578A (en) * | 2023-12-14 | 2024-01-19 | 中山市格瑞斯电子有限公司 | Leakage protector and protection method based on Internet of things technology |
| CN117594390A (en) * | 2024-01-12 | 2024-02-23 | 内蒙古工业大学 | Intelligent circuit breaker for solar photovoltaic power station |
Citations (5)
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| CN210429693U (en) * | 2019-07-08 | 2020-04-28 | 浙江欧开电气有限公司 | Plastic case circuit breaker protection structure |
| CN212434561U (en) * | 2020-08-14 | 2021-01-29 | 启创电力科技有限公司 | Novel moulded case circuit breaker |
| CN214043569U (en) * | 2021-01-11 | 2021-08-24 | 北京方恒电力科技有限公司 | Plastic case circuit breaker |
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| CN207021220U (en) * | 2017-08-11 | 2018-02-16 | 国网山东省电力公司枣庄供电公司 | A kind of breaker for preventing from artificially arbitrarily manipulating |
| CN207883622U (en) * | 2017-10-30 | 2018-09-18 | 浙江中奥电气有限公司 | Breaker of plastic casing safeguard structure |
| CN210429693U (en) * | 2019-07-08 | 2020-04-28 | 浙江欧开电气有限公司 | Plastic case circuit breaker protection structure |
| CN212434561U (en) * | 2020-08-14 | 2021-01-29 | 启创电力科技有限公司 | Novel moulded case circuit breaker |
| CN214043569U (en) * | 2021-01-11 | 2021-08-24 | 北京方恒电力科技有限公司 | Plastic case circuit breaker |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111024995A (en) * | 2019-11-26 | 2020-04-17 | 国网山东省电力公司潍坊供电公司 | Novel anti-electricity-theft ammeter case |
| CN117423578A (en) * | 2023-12-14 | 2024-01-19 | 中山市格瑞斯电子有限公司 | Leakage protector and protection method based on Internet of things technology |
| CN117423578B (en) * | 2023-12-14 | 2024-03-22 | 中山市格瑞斯电子有限公司 | Leakage protector and protection method based on Internet of things technology |
| CN117594390A (en) * | 2024-01-12 | 2024-02-23 | 内蒙古工业大学 | Intelligent circuit breaker for solar photovoltaic power station |
| CN117594390B (en) * | 2024-01-12 | 2024-04-02 | 内蒙古工业大学 | Intelligent circuit breaker for solar photovoltaic power station |
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| Publication number | Publication date |
|---|---|
| CN113921338B (en) | 2024-03-26 |
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