CN218243964U - Anti-electromagnetic interference circuit breaker - Google Patents
Anti-electromagnetic interference circuit breaker Download PDFInfo
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- CN218243964U CN218243964U CN202222215996.0U CN202222215996U CN218243964U CN 218243964 U CN218243964 U CN 218243964U CN 202222215996 U CN202222215996 U CN 202222215996U CN 218243964 U CN218243964 U CN 218243964U
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- circuit board
- electromagnetic interference
- shell
- circuit breaker
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Abstract
The utility model discloses an anti-electromagnetic interference circuit breaker relates to circuit breaker technical field, including shell, second circuit board and display screen, the unit groove has been seted up to the inside of shell, the internally mounted of screw thread post has first circuit board, first finger groove has been seted up at the edge of first circuit board, the second circuit board is located the top of first circuit board, and the four corners of second circuit board has all seted up the second round hole, the outside threaded connection of screw thread post has first spacing swivel nut, and the top of first spacing swivel nut is provided with the spacing swivel nut of second, the display screen is located the left side surface of shell, and the display screen passes through data line and first circuit board electric connection. The utility model discloses be provided with the second circuit board, the second circuit board is two way permanent magnetic mechanism and exports the drive output board, and the second circuit board is installed in the top of first circuit board, through the setting of second circuit board, the effectual diamagnetic function who improves first circuit board reduces external electromagnetic interference.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically is an anti-electromagnetic interference circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the boundary line of the high voltage and the low voltage is divided more clearly, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, when the circuit breaker has faults of serious overload, short circuit, undervoltage and the like, the circuit breaker can be automatically cut off, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.
The existing circuit breaker is easily subjected to external electromagnetic interference in the using process, so that delay or deviation of a circuit breaker signal occurs in the transmission process, normal use of the circuit breaker is not facilitated, and therefore an anti-electromagnetic interference circuit breaker is urgently needed.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an anti-electromagnetic interference circuit breaker to solve current circuit breaker and receive external electromagnetic interference easily in the use, lead to the circuit breaker signal delay or deviation to appear in the transmission course, be unfavorable for the problem of the normal use of circuit breaker.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-electromagnetic interference circuit breaker, includes shell, second circuit board and display screen, the unit groove has been seted up to the inside of shell, and the inside four corners in unit groove all welds the screw thread post, the internally mounted of screw thread post has first circuit board, and the four corners of first circuit board has all seted up first round hole, first finger groove has been seted up at the edge of first circuit board.
The second circuit board is located above the first circuit board, second round holes are formed in four corners of the second circuit board, a first limiting threaded sleeve is in threaded connection with the outer side of the threaded column, and a second limiting threaded sleeve is arranged above the first limiting threaded sleeve.
The display screen is located the left surface of shell, and the display screen passes through data line and first circuit board electric connection.
Preferably, the number of the threaded columns is four, the first circuit board is connected with the threaded columns through first round holes, and the number of the first round holes is equal to that of the threaded columns.
Preferably, the first circuit board and the second circuit board are parallel to each other, and the second circuit board is connected with the threaded column through a second round hole.
Preferably, the upper surface of shell covers there is the apron, and the four corners of apron all sets up threaded hole, the screw has been run through to the inside of screw hole, the lower extreme threaded connection of screw has the fixed plate.
Preferably, the edge of the upper surface of the shell is adhered with a rubber strip, and the inner wall of the shell is welded with the fixing plate.
Preferably, the edge of the cover plate is provided with a rotating shaft, the outer side of the rotating shaft is connected with a movable plate, the surface of the movable plate is attached with a magnetic plate, and the edge of the magnetic plate is provided with a second finger groove.
Preferably, the movable plates and the cover plate form a rotating structure through a rotating shaft, and the movable plates are symmetrical with each other about a central axis of the cover plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with a second circuit board which is a two-way permanent magnetic mechanism output drive output board, the second circuit board is arranged above the first circuit board, and through the arrangement of the second circuit board, the diamagnetic function of the first circuit board is effectively improved, and the external electromagnetic interference is reduced;
2. the utility model discloses well second circuit board passes through the setting of second round hole, first spacing swivel nut, the spacing swivel nut of second and is fixed with the screw post, through changing the position of first spacing swivel nut and the spacing swivel nut of second on the screw post, can adjust the height of second circuit board, prevents that the second circuit board from touching the electronic components of installation on the first circuit board.
Drawings
FIG. 1 is a schematic view of the separated three-dimensional structure of the cover plate and the housing of the present invention;
fig. 2 is a schematic diagram of an exploded perspective structure of the first circuit board and the second circuit board of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
fig. 4 is a left side schematic view of the present invention;
fig. 5 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;
fig. 6 is an enlarged schematic structural diagram of the position B in fig. 3 according to the present invention.
In the figure: 1. a housing; 2. a unit cell; 3. a threaded post; 4. a first circuit board; 5. a first circular hole; 6. a first finger slot; 7. a second circuit board; 8. a second circular hole; 9. a first limit thread insert; 10. a second limit threaded sleeve; 11. a display screen; 12. a data line; 13. a cover plate; 14. a threaded hole; 15. a screw; 16. a fixing plate; 17. a rubber strip; 18. a rotating shaft; 19. a movable plate; 20. a magnetic plate; 21. a second finger groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The following describes an embodiment of the present invention according to its overall structure.
Referring to fig. 1-6, an anti-electromagnetic interference circuit breaker includes a housing 1, a second circuit board 7 and a display screen 11, wherein a unit groove 2 is formed in the housing 1, threaded columns 3 are welded at four corners of the interior of the unit groove 2, a first circuit board 4 is installed in each threaded column 3, first round holes 5 are formed at four corners of each first circuit board 4, a first finger groove 6 is formed in the edge of each first circuit board 4, four threaded columns 3 are arranged, the first circuit board 4 is connected with the threaded columns 3 through the first round holes 5, the number of the first round holes 5 is equal to that of the threaded columns 3, the first circuit board 4 is a main control board, and during installation, the first round holes 5 at the four corners of the first circuit board 4 are inserted into the threaded columns 3 at first, and the first circuit board 4 is firmly fixed in the unit groove 2 through the threaded columns 3;
the second circuit board 7 is positioned above the first circuit board 4, second round holes 8 are formed in four corners of the second circuit board 7, a first limiting threaded sleeve 9 is in threaded connection with the outer side of the threaded column 3, a second limiting threaded sleeve 10 is arranged above the first limiting threaded sleeve 9, the first circuit board 4 and the second circuit board 7 are parallel to each other, the second circuit board 7 is connected with the threaded column 3 through the second round holes 8, the second circuit board 7 is a two-way permanent magnet mechanism output and drive board, the second circuit board 7 and the first circuit board 4 are mounted in the same mode, the first circuit board 4 and the second circuit board 7 are placed in a laminated structure, a certain height exists between the second circuit board 7 and the first circuit board 4, the second circuit board 7 is prevented from being pressed to electronic components on the surface of the first circuit board 4, the height of the second circuit board 7 is adjusted through the first limiting threaded sleeve 9 and the second limiting threaded sleeve 10, and the second circuit board 7 covers the upper side of the first circuit board 4, the anti-magnetic function of the first circuit board 4 is effectively improved, and external electromagnetic interference is reduced;
The edge of the cover plate 13 is provided with a rotating shaft 18, a movable plate 19 is connected to the outer side of the rotating shaft 18, a magnetic plate 20 is attached to the surface of the movable plate 19, a second finger groove 21 is formed in the edge of the magnetic plate 20, the movable plate 19 is convenient for workers to lift up the movable plate 19, the movable plate 19 and the cover plate 13 form a rotating structure through the rotating shaft 18, the movable plates 19 are symmetrical with each other about the central axis of the cover plate 13, after the cover plate 13 is installed, the movable plate 19 rotates along with the rotating shaft 18 until the movable plate 19 covers the upper surface of the screw 15, the screw 15 is protected through the movable plate 19, rusting time of the screw 15 is delayed, and the cover plate 13 is convenient to detach.
The working principle is as follows: when the device is used, the first circuit board 4 and the second circuit board 7 are firstly installed inside the unit groove 2, when the first circuit board 4 is installed, the first round holes 5 at four corners of the first circuit board 4 are inserted into the threaded columns 3 in an aligning mode, the first circuit board 4 is firmly fixed inside the unit groove 2 through the threaded columns 3, the second circuit board 7 is installed in the same mode as the first circuit board 4, the first circuit board 4 and the second circuit board 7 are installed in a laminated structure, the second circuit board 7 is installed above the first circuit board 4, the height of the second circuit board 7 can be adjusted by rotating the first limiting screw sleeve 9 and the second limiting screw sleeve 10, when the first limiting screw sleeve 9 moves downwards, the second circuit board 7 descends along with the first circuit board, the first circuit board 4 is a main control board and is connected with the display screen 11 through the data lines 12, the second circuit board 7 is two permanent magnet mechanism driving output boards, the electromagnetic interference on the device is reduced, after the first circuit board 4 and the second circuit board 7 are installed, the cover plate is connected with the cover plate 1 through the moisture-proof screw on the surface of the shell, the shell 13, the moisture-proof screw hole 15 is conveniently connected with the shell 15, the moisture-proof screw hole 13, the moisture-proof screw hole 15, and the moisture-proof screw hole 15 is conveniently connected with the shell 15, and the moisture-proof screw hole 13 are conveniently-proof screw hole 13.
Those not described in detail in this specification are within the skill of the art.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, and are used merely to simplify the description of the present disclosure, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present disclosure.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. An anti-electromagnetic interference circuit breaker, includes shell (1), second circuit board (7) and display screen (11), its characterized in that: the cell slots (2) are formed in the shell (1), the threaded columns (3) are welded at four inner corners of the cell slots (2), the first circuit board (4) is mounted inside the threaded columns (3), first round holes (5) are formed at four corners of the first circuit board (4), and first finger slots (6) are formed in the edge of the first circuit board (4);
the second circuit board (7) is positioned above the first circuit board (4), the four corners of the second circuit board (7) are provided with second round holes (8), the outer side of the threaded column (3) is in threaded connection with a first limiting threaded sleeve (9), and a second limiting threaded sleeve (10) is arranged above the first limiting threaded sleeve (9);
the display screen (11) is located on the left side surface of the shell (1), and the display screen (11) is electrically connected with the first circuit board (4) through the data line (12).
2. The anti-electromagnetic interference circuit breaker of claim 1, wherein: the screw thread post (3) are provided with four, and the first circuit board (4) is connected with the screw thread post (3) through first round hole (5), and the quantity of first round hole (5) equals with the quantity of screw thread post (3).
3. An electromagnetic interference resistant circuit breaker as claimed in claim 1, characterized in that: the first circuit board (4) and the second circuit board (7) are parallel to each other, and the second circuit board (7) is connected with the threaded column (3) through a second round hole (8).
4. An electromagnetic interference resistant circuit breaker as claimed in claim 1, characterized in that: the upper surface of shell (1) covers there is apron (13), and threaded hole (14) are all seted up in the four corners of apron (13), screw (15) have been run through to the inside of threaded hole (14), the lower extreme threaded connection of screw (15) has fixed plate (16).
5. An anti-electromagnetic interference circuit breaker according to claim 4, characterized in that: the edge of the upper surface of the shell (1) is adhered with a rubber strip (17), and the inner wall of the shell (1) is welded with the fixing plate (16).
6. An anti-electromagnetic interference circuit breaker according to claim 4, characterized in that: the edge of apron (13) is installed pivot (18), and the outside of pivot (18) is connected with fly leaf (19), the surface laminating of fly leaf (19) has magnetic sheet (20), and the edge of magnetic sheet (20) has seted up second finger groove (21).
7. The anti-electromagnetic interference circuit breaker of claim 6, wherein: the movable plates (19) and the cover plate (13) form a rotating structure through the rotating shaft (18), and the movable plates (19) are symmetrical with each other about the central axis of the cover plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215996.0U CN218243964U (en) | 2022-08-23 | 2022-08-23 | Anti-electromagnetic interference circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215996.0U CN218243964U (en) | 2022-08-23 | 2022-08-23 | Anti-electromagnetic interference circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218243964U true CN218243964U (en) | 2023-01-06 |
Family
ID=84684349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222215996.0U Active CN218243964U (en) | 2022-08-23 | 2022-08-23 | Anti-electromagnetic interference circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218243964U (en) |
-
2022
- 2022-08-23 CN CN202222215996.0U patent/CN218243964U/en active Active
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