CN217983224U - Circuit breaker shell and circuit breaker - Google Patents
Circuit breaker shell and circuit breaker Download PDFInfo
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- CN217983224U CN217983224U CN202220811780.8U CN202220811780U CN217983224U CN 217983224 U CN217983224 U CN 217983224U CN 202220811780 U CN202220811780 U CN 202220811780U CN 217983224 U CN217983224 U CN 217983224U
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Abstract
The utility model discloses a breaker shell, which comprises a plurality of pole breaker unit shells which are mutually overlapped, assembled and connected; each pole breaker unit housing comprises a base and a cover assembled on the base; the base is provided with a first notch at the wire inlet end or/and the wire outlet end, the cover is provided with a second notch at the wire inlet end or/and the wire outlet end, the first notch at the wire inlet end is communicated with the second notch, and the first notch at the wire outlet end is communicated with the second notch; a first convex rib protruding out of the surface of the base is arranged at the side end of the first notch, and the second notch can accommodate the first convex rib; the side of the second notch is provided with a second convex rib protruding out of the surface of the cover, and the first notch can contain the second convex rib. The utility model discloses after the drive module is assembled in the realization, directly acquire the electricity from circuit breaker unit inlet wire end or leading-out terminal and connect, increased the electrified position of inslot and housing edge's electric clearance and creepage interval, realized the protection to the device of inslot.
Description
Technical Field
The utility model relates to a circuit breaker technical field.
Background
The miniature circuit breaker, abbreviated as MCB, is a terminal protection electrical appliance most widely used in electrical terminal power distribution devices. Along with the increase of function need assemble drive control module, drive control module need obtain power and collection electric current and voltage isoparameter from the terminal strip (or called binding post) position of each utmost point circuit breaker unit, need form the electricity and connect, current way is to assemble control module in miniature circuit breaker's the outside, get the electricity through the mode of lead wire or circuit board, connect complicacy, be unfavorable for loading and unloading or maintenance, use electrified part and casing edge apart from electric clearance and creepage distance to be little to be unfavorable for insulating and EMC test moreover.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to provide a breaker shell, which is convenient for taking electricity and installation; a second object of the utility model is to provide a circuit breaker to realize directly carrying out the electricity from the circuit breaker unit and connect and obtain the electrical parameter after the drive module installation, the component and the casing edge distance electric clearance and the creepage distance of conductor wire or circuit board are enough, are favorable to insulating and EMC test.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a breaker shell, which comprises a plurality of pole breaker unit shells which are mutually overlapped, assembled and connected; each pole breaker unit housing includes a base and a cover assembled on the base; the base is provided with a first notch at the wire inlet end or/and the wire outlet end, the cover is provided with a second notch at the wire inlet end or/and the wire outlet end, the first notch at the wire inlet end is communicated with the second notch, and the first notch at the wire outlet end is communicated with the second notch; the side end of the first notch is provided with a first convex rib protruding out of the surface of the base, and the second notch can accommodate the first convex rib; the side end of the second notch is provided with a second convex rib protruding out of the surface of the cover, and the first notch can contain the second convex rib.
The circuit breaker unit comprises a circuit breaker unit shell, a driving module base and a driving module cover, wherein the circuit breaker unit shell is arranged on one side of the circuit breaker unit shell; the third notch of the wire outlet end is communicated with the first notch of the wire outlet end and the second notch of the wire outlet end; the third notch can accommodate a second rib of an adjacent circuit breaker unit.
Preferably, the second notch side end is provided with a pin abdicating groove, and the third notch side end is provided with a second convex rib abdicating groove.
Preferably, the thickness of the first convex rib protruding out of the base is more than or equal to 0.5mm, and the thickness of the second convex rib protruding out of the cover is more than or equal to 0.5mm.
Preferably, the upper ends or/and the lower ends of the first notch and the second notch are/is provided with a gear step.
The utility model also discloses a circuit breaker, including a plurality of pole circuit breaker units, a drive module and a circuit board which are mutually overlapped, assembled and connected, each pole circuit breaker unit comprises a wiring row, an elastic electricity taking piece and the circuit breaker unit shell; the wiring bar is arranged at the wire inlet end and the wire outlet end of the shell of the circuit breaker unit; the circuit board is inserted into the first notch and the second notch of each pole breaker unit, and a plurality of rows of pins are arranged at the end part of the circuit board; the elastic electricity taking piece is arranged in the first notch or the second notch of each pole breaker unit, one end of the elastic electricity taking piece is in electric contact connection with the wiring bar, and the other end of the elastic electricity taking piece is in electric contact connection with the circuit board; the driving module comprises a driving module shell and a main circuit board located in the driving module shell, a plurality of rows of bus bars are arranged on the main circuit board, and the row pins are in electric contact connection with the rows of bus bars.
Furthermore, the driving module shell comprises a driving module base and a driving module cover, a third through notch is formed in the wire inlet end or/and the wire outlet end of the driving module base, and the third notch of the wire inlet end is communicated with the first notch of the wire inlet end and the second notch of the wire inlet end; the third notch of the wire outlet end is communicated with the first notch of the wire outlet end and the second notch of the wire outlet end; the pin header penetrates through the third notch to be in electrical contact connection with the pin header on the main circuit board; the upper end or/and the lower end of the first notch and the second notch are/is provided with a gear step, and the circuit board is positioned and installed at the gear step.
The second convex rib comprises a vertical section and horizontal sections connected to two ends of the vertical section, the length of the vertical section is matched with the length of the row needle, and the horizontal sections are located at the upper end and the lower end of the row needle.
Preferably, one side that circuit board and elasticity get electric piece contact be provided with spacing recess, elasticity get electric piece install in spacing recess.
The utility model also discloses a breaker, which comprises a plurality of pole breaker units, a driving module and a conductor wire which are mutually overlapped, assembled and connected, wherein each pole breaker unit comprises a wiring bar and the breaker unit shell; the wiring bar is arranged at the wire inlet end and the wire outlet end of the shell of the circuit breaker unit; the conducting wires penetrate through the first notches and the second notches of the circuit breaker units of all poles, one ends of the conducting wires are in contact connection with the wiring bar, and the other ends of the conducting wires extend into the driving module; the driving module comprises a driving module shell and a main circuit board positioned in the driving module shell, and the conducting wire penetrates through the driving module shell to be in electric contact connection with the main circuit board.
Since the structure is adopted, the utility model discloses following beneficial effect has:
1. the utility model discloses the casing is provided with the first notch and the second notch of installation elasticity electricity-taking piece, circuit board or conductor wire for it is more convenient to install, realizes assembling drive module after, directly carries out the electricity and connects from circuit breaker unit inlet wire end or/and leading-out terminal and obtains electric parameter, and the installation is maintained conveniently.
2. Through set up protruding muscle on base and lid for adjacent utmost point lid can with the base laminating of adjacent utmost point, has increased the electric clearance and the creepage interval at electrified position in the groove and casing edge, has realized the protection to the device in the groove.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a case of the one-pole breaker unit.
Fig. 3 is a schematic view of the structure of the cover.
Fig. 4 is a schematic structural view of the base-mounted elastic electricity-taking member.
Fig. 5 is a schematic view of a structure for mounting a circuit board on fig. 4.
Fig. 6 is a schematic structural diagram of the incoming line end circuit board and the outgoing line end circuit board.
Fig. 7 is a schematic structural diagram of the driving module.
Fig. 8 is a schematic view of the structure of the drive module cover.
FIG. 9 is an exploded view of the first embodiment.
Fig. 10 is an exploded view of the first embodiment, in which the drive module housing is hidden.
Fig. 11 is an exploded schematic view of the first pole breaker unit of the second embodiment.
FIG. 12 is an exploded view of the second embodiment.
Fig. 13 is a schematic structural diagram of a one-pole breaker unit according to a second embodiment.
Fig. 14 is a schematic view of the structure of fig. 13 from another angle.
Description of the main symbols:
1: circuit breaker unit, 2: drive module, 3: line bank, 4: circuit board, 5: elastic electricity-taking member, 6: base, 7: lid, 8: first notch, 81: first rib, 9: second notch, 91: second bead, 101: vertical section, 102: horizontal segment, 11: pin-yielding slot, 12: gear step, 13: spacing recess, 14: pin header, 15: pin, 16: main circuit board, 17: drive module base, 18: drive module cover, 19: third notch, 20: second bead abdication groove, 21: mother row, 22: a conductive wire.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
Example one
The embodiment discloses a circuit breaker, which comprises a plurality of pole breaker units 1 and a driving module 2 which are mutually overlapped. A four pole breaker unit is illustrated in figure 1. The circuit breaker unit comprises a terminal block 3, a circuit board 4, a resilient current collector 5 and a circuit breaker unit housing.
As shown in fig. 2 and 3, each pole breaker unit housing includes a base 6 and a cover 7 fitted on the base 6. If the circuit breaker is only provided with the electric parameters collected on one side (A side in figure 4) of the wire inlet end or one side (B side in figure 4) of the wire outlet end, a first notch is arranged on the wire inlet end or the wire outlet end of the base 6, and a second notch is arranged on the wire inlet end or the wire outlet end of the cover 7. In this embodiment, the circuit breaker needs to collect electrical parameters of both sides of the wire inlet end and the wire outlet end, so that the wire inlet end and the wire outlet end of the base 6 are both provided with the first notches 8, and the cover 7 is both provided with the second notches 9. The first notch of the wire inlet end is communicated with the second notch, and the first notch of the wire outlet end is communicated with the second notch.
As shown in fig. 3 and 4, the side end of the first notch 8 is provided with a first rib 81 protruding from the surface of the base 6, and the first rib 81 passes through the second notch 9 of the adjacent cover 7. The side end of the second notch 9 is provided with a second rib 91 protruding from the surface of the cover 7, and the second rib 91 penetrates the first notch 8 on the adjacent circuit breaker unit housing. The end part of the second notch 9 is provided with a pin abdicating groove 11. The upper ends and the lower ends of the first notch 8 and the second notch 9 are provided with gear steps 12.
As shown in fig. 3, the second rib 91 comprises a vertical section 101 and a horizontal section 102 connected to two ends of the vertical section 101, the length of the vertical section 101 is matched with the length of the row needle in layout, and the horizontal section 102 is located at the upper end and the lower end of the row needle, so that the arrangement is beneficial to enabling the second rib 91 to be better coated at the position of the row needle 14, and thus the protection effect is achieved. The arrangement of the first convex rib 81 and the second convex rib 91 increases the electric clearance and creepage distance between the charged part (circuit board and pin header) in the groove and the edge of the shell of the circuit breaker, the thickness H1 of the first convex rib 81 protruding out of the base 6 is more than or equal to 0.5mm, and the thickness H2 of the second convex rib 91 protruding out of the cover 7 is more than or equal to 0.5mm, so as to realize better effect. When the magnetic pole is installed, the first rib 81 is inserted into the second notch 9, so that the base 6 is attached to the cover 7, and the second rib 91 is inserted into the first notch 8 of the base 6 of the adjacent pole, so that the cover 7 of the adjacent pole can be attached to the base 6 of the adjacent pole.
As shown in fig. 4, the terminal block 3 is mounted to the inlet and outlet terminals of the case of the circuit breaker unit. The resilient current-drawing member 5 is fitted in the first notch 8 or the second notch 9 of each pole breaker unit 1. One end of the elastic electricity taking piece 5 is electrically contacted with the wiring bar 3, and the other end is electrically contacted with the circuit board 4.
As shown in fig. 5, the circuit board 4 is inserted into the first notch 8 and the second notch 9 of each pole breaker unit, the circuit board 4 is located on one side of the shift step 12, and the circuit board 4 can be better positioned by the shift step 12. One side that circuit board 4 and elasticity get electric 5 contact is provided with spacing recess 13, and elasticity is got electric 5 and is installed in spacing recess 13 to better realization electrical contact. The end of the circuit board 4 is provided with several rows of pins 14. The number of the pin headers 14 is different according to different requirements, in fig. 5, the number of the pin headers 14 of the incoming end circuit board and the number of the pin headers 14 of the outgoing end circuit board are both 3, and as shown in fig. 6, the number of the pin headers 14 of the incoming end is 6, and the number of the pin headers 14 of the outgoing end is 3. When the number of the row pins at the incoming line end is 6, 3 row pins are respectively arranged at two sides of the circuit board, and during installation, the pins 15 of the row pins 14 are positioned in the pin receding groove 11, as shown in fig. 1.
As shown in fig. 7, the drive module includes a drive module housing and a main circuit board 16 located within the drive module housing. The drive module housing comprises a drive module base 17 and a drive module cover 18. The driving module base 17 is provided with a third notch 19 penetrating through the inlet end and the outlet end, and the third notch 19 of the inlet end is communicated with the first notch 8 of the inlet end and the second notch 9 of the inlet end. The third notch 19 of the outlet end is communicated with the first notch 8 of the outlet end and the second notch 9 of the outlet end. A second convex rib yielding groove 20 is formed in the side end of the third groove opening 19, and the second convex rib yielding groove 20 is used for a second convex rib 91 on the cover 7 of the adjacent circuit breaker unit to penetrate through.
As shown in fig. 8, a plurality of rows of mother boards 21 are disposed on the main circuit board 16, the number and position of the rows of mother boards 21 correspond to the number and position of the row pins 14, and the row pins 14 are electrically connected with the rows of mother boards 21.
As shown in fig. 9 and 10, after the circuit breaker housing of each pole is mounted, the circuit board 4 penetrates through the first notch 8 and the second notch 9 of each pole, and the pin header 14 penetrates through the cover 7 of the last pole, penetrates into the driving module from the third notch 19 and is electrically contacted with the pin header 21 on the main circuit board 16.
Example two
As shown in fig. 11 to 14, the present embodiment discloses a circuit breaker including a plurality of pole breaker units 1, a driving module 2, and a conductive line 22 stacked one on another. A two pole circuit breaker unit is illustrated in fig. 12. The circuit breaker unit 1 comprises a terminal row 3 and a circuit breaker unit housing. The structure of the breaker unit housing is the same as in the first embodiment.
The terminal block 3 is mounted to the inlet and outlet terminals of the circuit breaker unit housing. The conducting wire 22 is arranged in the first notch 8 and the second notch 9 of each pole breaker unit in a penetrating manner, one end of the conducting wire 22 is in contact connection with the wiring bar 3, and the other end of the conducting wire extends into the driving module 2.
The drive module 2 comprises a drive module housing and a main circuit board 16 located in the drive module housing, and the conductive wires 22 are electrically contacted with the main circuit board 16 through the drive module housing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A circuit breaker housing, characterized by: the circuit breaker comprises a plurality of pole breaker unit shells which are mutually overlapped, spliced and connected; each pole breaker unit housing comprises a base and a cover assembled on the base;
the base is provided with a first notch at the wire inlet end or/and the wire outlet end, the cover is provided with a second notch at the wire inlet end or/and the wire outlet end, the first notch at the wire inlet end is communicated with the second notch, and the first notch at the wire outlet end is communicated with the second notch;
the side end of the first notch is provided with a first convex rib protruding out of the surface of the base, and the second notch can accommodate the first convex rib; the side of the second notch is provided with a second convex rib protruding out of the surface of the cover, and the first notch can contain the second convex rib.
2. The circuit breaker housing of claim 1, wherein: and a drive module housing disposed on one side of the circuit breaker unit housing, the drive module housing including a drive module base and a drive module cover,
the driving module base is provided with a third through notch at the wire inlet end or/and the wire outlet end, and the third notch at the wire inlet end is communicated with the first notch at the wire inlet end and the second notch at the wire inlet end; the third notch of the wire outlet end is communicated with the first notch of the wire outlet end and the second notch of the wire outlet end; the third notch can accommodate a second rib of an adjacent circuit breaker unit.
3. The circuit breaker housing of claim 2, wherein: the second notch side end be provided with the pin groove of stepping down, third notch side end be provided with the protruding muscle groove of stepping down of second.
4. The circuit breaker housing of claim 1, wherein: the thickness of the first convex rib protruding out of the base is more than or equal to 0.5mm, and the thickness of the second convex rib protruding out of the cover is more than or equal to 0.5mm.
5. The circuit breaker housing of claim 1, wherein: and the upper ends or/and the lower ends of the first notch and the second notch are/is provided with a gear step.
6. A circuit breaker, characterized by: the circuit breaker comprises a plurality of pole circuit breaker units, a driving module and a circuit board which are mutually overlapped, assembled and connected, wherein each pole circuit breaker unit comprises a wiring bar, an elastic electricity taking piece and a circuit breaker unit shell body according to any one of claims 1-5;
the wiring bar is arranged at the wire inlet end and the wire outlet end of the shell of the circuit breaker unit; the circuit board is inserted into the first notch and the second notch of each pole breaker unit, and a plurality of rows of pins are arranged at the end part of the circuit board; the elastic electricity taking piece is arranged in the first notch or the second notch of each pole breaker unit, one end of the elastic electricity taking piece is in electric contact connection with the wiring bar, and the other end of the elastic electricity taking piece is in electric contact connection with the circuit board;
the driving module comprises a driving module shell and a main circuit board located in the driving module shell, a plurality of row nuts are arranged on the main circuit board, and the row pins are in electrical contact connection with the row nuts.
7. The circuit breaker of claim 6, wherein: the driving module shell comprises a driving module base and a driving module cover, wherein a third through notch is formed in the wire inlet end or/and the wire outlet end of the driving module base, and the third notch of the wire inlet end is communicated with the first notch of the wire inlet end and the second notch of the wire inlet end; the third notch of the wire outlet end is communicated with the first notch of the wire outlet end and the second notch of the wire outlet end; the pin header penetrates through the third notch to be in electrical contact connection with a pin header on the main circuit board;
the upper end or/and the lower end of the first notch and the second notch are/is provided with a gear step, and the circuit board is positioned and installed at the gear step.
8. The circuit breaker of claim 6, wherein: the second convex rib comprises a vertical section and horizontal sections connected to two ends of the vertical section, the length of the vertical section is matched with the length of the row needle, and the horizontal sections are located at the upper end and the lower end of the row needle.
9. The circuit breaker of claim 6, wherein: one side that circuit board and elasticity get electric piece contact be provided with spacing recess, elasticity get electric piece install in spacing recess.
10. A circuit breaker, characterized by: the circuit breaker comprises a plurality of pole circuit breaker units, a driving module and a conducting wire which are mutually overlapped, assembled and connected, wherein each pole circuit breaker unit comprises a wiring bar and a circuit breaker unit shell as claimed in any one of claims 1 to 5;
the wiring bar is arranged at the wire inlet end and the wire outlet end of the shell of the circuit breaker unit; the conducting wires penetrate through the first notches and the second notches of the circuit breaker units of all poles, one ends of the conducting wires are in contact connection with the wiring bar, and the other ends of the conducting wires extend into the driving module;
the driving module comprises a driving module shell and a main circuit board positioned in the driving module shell, and the conducting wire penetrates through the driving module shell to be in electric contact connection with the main circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220811780.8U CN217983224U (en) | 2022-04-07 | 2022-04-07 | Circuit breaker shell and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220811780.8U CN217983224U (en) | 2022-04-07 | 2022-04-07 | Circuit breaker shell and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217983224U true CN217983224U (en) | 2022-12-06 |
Family
ID=84267153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220811780.8U Active CN217983224U (en) | 2022-04-07 | 2022-04-07 | Circuit breaker shell and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217983224U (en) |
-
2022
- 2022-04-07 CN CN202220811780.8U patent/CN217983224U/en active Active
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