CN219800774U - Residual current protection circuit breaker and charging pile - Google Patents
Residual current protection circuit breaker and charging pile Download PDFInfo
- Publication number
- CN219800774U CN219800774U CN202321024906.8U CN202321024906U CN219800774U CN 219800774 U CN219800774 U CN 219800774U CN 202321024906 U CN202321024906 U CN 202321024906U CN 219800774 U CN219800774 U CN 219800774U
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- circuit breaker
- protection circuit
- residual current
- current protection
- electro
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000005012 migration Effects 0.000 claims abstract description 6
- 238000013508 migration Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model provides a residual current protection circuit breaker and a charging pile, wherein the residual current protection circuit breaker comprises a shell and a release, wherein a release traction rod is arranged in the shell; the release includes the base, and fixed mounting has the electro-magnet in the base, has first perforation on the electro-magnet, wears to be equipped with but horizontal migration's ejector pin in the first perforation, but one end of ejector pin is equipped with the iron core with electro-magnet actuation, be equipped with on the other end with traction lever fixed connection's pull rod, the cover is equipped with the trip spring on the ejector pin, trip spring one end offsets with the electro-magnet, and the other end offsets with the iron core, and when electric leakage, the release has iron core and electro-magnet separation, iron core receive the trip state that trip spring drive moved towards keeping away from pull rod one side, the aforesaid setting is through the electro-magnet provides magnetic force, just does not have the coil, just so when residual current protection circuit breaker is circular telegram repeatedly, just does not have the condition that the long-time circular telegram of coil takes place to burn out, has improved residual current protection circuit breaker's safety in utilization like this greatly.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a residual current protection circuit breaker and a charging pile.
Background
Residual current protection circuit breakers are common protection devices in electrical lines with overload, short-circuit and leakage protection functions. When a person gets an electric shock or the leakage current of the power grid exceeds a preset value, the residual current protection circuit breaker rapidly cuts off the circuit in an extremely short time, so that the safety of the person and circuit equipment is protected.
Be equipped with the release in the residual current protection circuit breaker, the release includes coil skeleton, the coil, move the quiet iron core of iron core and spring, the coil is twined on coil skeleton, be equipped with the perforation in the coil skeleton, the fixed quiet iron core that is equipped with of fenestrate one end, but install horizontal migration's moving iron core in the perforation, be equipped with the spring between quiet iron core and the moving iron core, when residual current protection circuit breaker electric leakage, the coil circular telegram makes quiet iron core produce magnetic attraction and moves iron core horizontal migration, thereby provide tripping power and make residual current protection circuit breaker release, this residual current protection circuit breaker is used for charging pile, be in electric leakage fault when residual current protection circuit breaker, the user who uses charging pile is difficult to judge electric leakage fault, cause residual current protection circuit breaker to close repeatedly under electric leakage condition easily, make the long-time circular telegram of coil lead to coil burn out the product damage.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the coil in the prior art is easy to burn out after long-time power-on, so as to provide a residual current protection circuit breaker and a charging pile without the coil.
The utility model provides a residual current protection circuit breaker, which comprises a shell and a release, wherein the release and a traction rod for driving the residual current protection circuit breaker to release are arranged in the shell, and the traction rod is driven by the release; the release comprises a base, fixed mounting has the electro-magnet in the base, but have first perforation on the electro-magnet, wear to be equipped with horizontal migration's ejector pin in the first perforation, the one end of ejector pin be equipped with can with the iron core of electro-magnet actuation, be equipped with on the other end with traction lever fixed connection's pull rod, the cover is equipped with the release spring on the ejector pin, release spring one end with the electro-magnet offsets, and the other end offsets with the iron core, and during the electric leakage, the release has the iron core with the electro-magnet separates the iron core receives the release spring drive is kept away from the trip state that pull rod one side removed.
And a reset spring is further arranged on the ejector rod, one end of the reset spring is propped against the electromagnet, the other end of the reset spring is propped against the pull rod, and the acting force of the reset spring is smaller than that of the tripping spring.
The pull rod is provided with a connecting part connected with the traction rod, a flat plate part arranged on the connecting part towards one end of the electromagnet, a second perforation for the push rod to pass through is arranged on the flat plate part, and a lug extending along the vertical direction is arranged at the bottom of the flat plate part.
The base is also provided with an indicator which can move along the vertical direction, the indicator comprises a main body part and an indicator part arranged at the top of the main body part, the main body part is provided with a third perforation through which the pull rod can pass, the indicator is provided with an initial position at which the indicator does not extend out of the shell, the indicator moves along the vertical direction, and the lug can be in a tripping position propped against one side of the main body part towards the iron core.
The bottom of the indicating part is provided with an elastic piece for driving the indicating piece to move along the vertical direction, one end of the elastic piece is propped against the bottom of the indicating part, and the other end of the elastic piece is propped against the bottom wall of the mounting groove on the base.
The bottom of the indicating part is provided with an inserting block which can be inserted into the elastic piece.
The base is also provided with a reset structure for driving the indicating piece to move to an initial position, the reset structure comprises a driving piece which is rotatably arranged on one side of the base, the driving piece drives the indicating piece to move through a thimble, one end of the thimble is inserted into the indicating piece, the other end of the thimble can be inserted into a slot of the driving piece and propped against the inner wall of the slot, and the thimble can move along the inner wall of the slot.
The utility model also provides a charging pile which comprises the residual current protection circuit breaker.
The technical scheme of the utility model has the following advantages:
1. the utility model provides a residual current protection circuit breaker, which comprises a shell and a release, wherein the shell is internally provided with the release and a traction rod for driving the residual current protection circuit breaker to release, and the traction rod is driven by the release; the release includes the base, and fixed mounting has the electro-magnet in the base, has first perforation on the electro-magnet, wears to be equipped with but horizontal migration's ejector pin in the first perforation, but one end of ejector pin is equipped with the iron core with electro-magnet actuation, be equipped with on the other end with traction lever fixed connection's pull rod, the cover is equipped with the trip spring on the ejector pin, trip spring one end offsets with the electro-magnet, and the other end offsets with the iron core, and when electric leakage, the release has iron core and electro-magnet separation, iron core receive the trip state that trip spring drive moved towards keeping away from pull rod one side, the aforesaid setting is through the electro-magnet provides magnetic force, just does not have the coil, just so when residual current protection circuit breaker is circular telegram repeatedly, just does not have the condition that the long-time circular telegram of coil takes place to burn out, has improved residual current protection circuit breaker's safety in utilization like this greatly.
2. The residual current protection circuit breaker provided by the utility model has the advantages that the ejector rod is further provided with the reset spring, one end of the reset spring is propped against the electromagnet, the other end of the reset spring is propped against the pull rod, the acting force of the reset spring is smaller than the acting force of the tripping spring, and the reset spring and the electromagnet are required to act simultaneously when the tripping device is arranged to restore to the electromagnet and the iron core to be attracted together, so that the tripping device is always in the tripping state in the uncharged state of the residual current protection circuit breaker, the situation that the residual current protection circuit breaker is closed in the uncharged state and an electric shock occurs when the power supply is connected is prevented, and the safety is greatly improved.
3. According to the residual current protection circuit breaker provided by the utility model, the bottom of the indicating part is provided with the insert block which can be inserted into the elastic piece, and the insert block can prevent the elastic piece from separating from the indicating piece.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a residual current protection circuit breaker of the present utility model;
FIG. 2 is a perspective view of the release;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a cross-sectional view of the other view of FIG. 2;
fig. 5 is a schematic view of the exploded structure of fig. 2 with the base removed.
Reference numerals illustrate: 1. a housing; 11. a traction rod; 2. a base; 21. a mounting groove; 3. an electromagnet; 31. a first perforation; 4. a push rod; 41. an iron core; 42. a trip spring; 43. a return spring; 5. a pull rod; 51. a connection part; 52. a flat plate portion; 53. a second perforation; 54. a bump; 6. an indicator; 61. a main body portion; 62. an instruction unit; 63. a third perforation; 64. inserting blocks; 7. an elastic member; 8. a driving member; 81. a slot; 9. and (5) a thimble.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Examples
The embodiment provides a charging pile, which comprises a residual current protection circuit breaker, wherein the residual current protection circuit breaker comprises a shell 1 and a release as shown in fig. 1.
The casing 1 is provided with a release and a traction rod 11 for driving the residual current protection circuit breaker to release, as shown in fig. 1, wherein the traction rod 11 is driven by the release.
The release, as shown in fig. 2-5, includes the base 2, fixed mounting has the electro-magnet 3 in the base 2, but have first perforation 31 on the electro-magnet 3, wear to be equipped with in the first perforation 31 horizontal movement's ejector pin 4, the one end of ejector pin 4 be equipped with can with electro-magnet 3 actuation's iron core 41, be equipped with on the other end with pull rod 5 of traction lever 11 fixed connection, the cover is equipped with release spring 42 on ejector pin 4, release spring 42 one end with electro-magnet 3 offsets, the other end offsets with iron core 41, during the electric leakage, the release has iron core 41 with electro-magnet 3 separation the iron core 41 receives release spring 42 drives to be kept away from one side of pull rod 5 removes the trip state, still be equipped with reset spring 43 on the ejector pin 4, reset spring 43 one end with the electro-magnet 3 offsets, the other end with the effort of pull rod 5 is less than the effort of release spring 42, pull rod 5 has the connecting portion 51 of being connected with traction lever 11, and the connecting portion are equipped with towards the electro-magnet 3 the flat board 6 is equipped with the vertical direction of extension of direction is equipped with the flat board 52 can be moved to the top of the flat board 6, can be along the vertical direction is equipped with the flat board 6 and is moved to the top of the flat board 6 and is equipped with the top 52 and the vertical direction is moved to the top of the flat board 6 is indicated to the top of the top plate 52 and is moved and the top is moved to the top 52.
The indicator 6, as shown in fig. 2-5, comprises a main body 61 and an indicator 62 arranged at the top of the main body 61, the main body 61 has a third through hole 63 for the pull rod 56 to pass through, the indicator 6 has an initial position not extending out of the casing 1, the indicator 6 moves vertically, the lug 54 can be in a release position propped against one side of the main body 61 towards the iron core 41, an elastic piece 7 for driving the indicator 6 to move vertically is arranged at the bottom of the indicator 62, one end of the elastic piece 7 props against the bottom of the indicator 62, the other end props against the bottom wall of the mounting groove 21 on the base 2, an inserting block 64 capable of being inserted into the elastic piece 7 is arranged at the bottom of the indicator 62,
the reset structure, as shown in fig. 4 and 5, comprises a rotatable driving member 8 disposed at one side of the base 2, the driving member 8 drives the indicator 6 to move through a thimble 9, one end of the thimble 9 is inserted into the indicator 6, the other end of the thimble 9 is inserted into a slot 81 of the driving member 8 and abuts against an inner wall of the slot 81, and the thimble 9 can move along the inner wall of the slot 81.
The utility model provides a residual current protection circuit breaker, which comprises a shell and a release, wherein the release and a traction rod 11 for driving the residual current protection circuit breaker to release are arranged in the shell 1, and the traction rod 11 is driven by the release; the release comprises a base 2, an electromagnet 3 is fixedly arranged in the base 2, a first through hole 31 is formed in the electromagnet 3, a push rod 4 capable of horizontally moving is arranged in the first through hole 31 in a penetrating mode, an iron core 41 capable of being attracted with the electromagnet 3 is arranged at one end of the push rod 4, a pull rod 5 fixedly connected with a traction rod 11 is arranged at the other end of the push rod, a release spring 42 is sleeved on the push rod 4, one end of the release spring 42 abuts against the electromagnet 3, the other end of the release spring abuts against the iron core 41, and when electric leakage occurs, the release has a release state that the iron core 41 is separated from the electromagnet 3, the iron core 41 is driven by the release spring 42 to move towards the side far away from the pull rod 5, a coil is not arranged in the arrangement, and therefore when the residual current protection circuit breaker is repeatedly electrified, the coil is not burnt in a long-time electrified, and the use safety of the residual current protection circuit breaker is greatly improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (8)
1. A residual current protection circuit breaker, comprising:
the device comprises a shell (1), wherein a release and a traction rod (11) for driving a residual current protection circuit breaker to release are arranged in the shell, and the traction rod (11) is driven by the release;
the release comprises a base (2), fixed mounting has electro-magnet (3) in base (2), but have first perforation (31) on electro-magnet (3), wear to be equipped with ejector pin (4) of horizontal migration in first perforation (31), the one end of ejector pin (4) be equipped with can with iron core (41) of electro-magnet (3) actuation, be equipped with on the other end with pull rod (5) of pull rod (11) fixed connection, the cover is equipped with tripping spring (42) on ejector pin (4), tripping spring (42) one end with electro-magnet (3) offset, the other end offsets with iron core (41), during the electric leakage, the release has iron core (41) with electro-magnet (3) separation iron core (41) receive tripping spring (42) drive towards keeping away from the trip state that pull rod (5) one side removed.
2. Residual current protection circuit breaker according to claim 1, characterized in that the ejector rod (4) is further provided with a return spring (43), one end of the return spring (43) is propped against the electromagnet (3), the other end is propped against the pull rod (5), and the acting force of the return spring (43) is smaller than the acting force of the tripping spring (42).
3. Residual current protection circuit breaker according to claim 2, characterized in that the pull rod (5) has a connection part (51) connected with the traction rod (11), and a flat plate part (52) arranged at one end of the connection part (51) towards the electromagnet (3), wherein a second perforation (53) for the push rod (4) to pass through is arranged on the flat plate part (52), and a lug (54) extending along the vertical direction is arranged at the bottom of the flat plate part (52).
4. A residual current protection circuit breaker according to claim 3, characterized in that the base (2) is further provided with an indicator (6) movable in a vertical direction, the indicator (6) comprising a main body (61) and an indicator (62) provided on top of the main body (61), the main body (61) having a third perforation (63) through which the tie rod (5) can pass, the indicator (6) having an initial position in which it does not protrude from the housing (1), and the indicator (6) being movable in a vertical direction, and the tab (54) being movable in a tripped position against a side of the main body (61) facing the core (41).
5. Residual current protection circuit breaker according to claim 4, characterized in that the bottom of the indicator part (62) is provided with an elastic member (7) for driving the indicator member (6) to move in the vertical direction, one end of the elastic member (7) is abutted against the bottom of the indicator part (62), and the other end is abutted against the bottom wall of the mounting groove (22) on the base (2).
6. Residual current protection circuit breaker according to claim 5, characterized in that the bottom of the indicator part (62) is provided with an insert (64) insertable into the elastic element (7).
7. The residual current protection circuit breaker according to claim 6, wherein the base (2) is further provided with a reset structure for driving the indicator (6) to move to an initial position, the reset structure comprises a driving piece (8) rotatably arranged on one side of the base (2), the driving piece (8) drives the indicator (6) to move through a thimble (9), one end of the thimble (9) is inserted into the indicator (6), the other end of the thimble (9) is inserted into a slot (81) of the driving piece (8) and abuts against the inner wall of the slot (81), and the thimble (9) can move along the inner wall of the slot (81).
8. A charging pile comprising the residual current protection circuit breaker according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024906.8U CN219800774U (en) | 2023-04-28 | 2023-04-28 | Residual current protection circuit breaker and charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024906.8U CN219800774U (en) | 2023-04-28 | 2023-04-28 | Residual current protection circuit breaker and charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800774U true CN219800774U (en) | 2023-10-03 |
Family
ID=88153093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321024906.8U Active CN219800774U (en) | 2023-04-28 | 2023-04-28 | Residual current protection circuit breaker and charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800774U (en) |
-
2023
- 2023-04-28 CN CN202321024906.8U patent/CN219800774U/en active Active
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