CN217933691U - Arc extinguishing structure of measurement switch - Google Patents
Arc extinguishing structure of measurement switch Download PDFInfo
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- CN217933691U CN217933691U CN202222093433.9U CN202222093433U CN217933691U CN 217933691 U CN217933691 U CN 217933691U CN 202222093433 U CN202222093433 U CN 202222093433U CN 217933691 U CN217933691 U CN 217933691U
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- arc extinguishing
- arc
- block
- measurement switch
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Abstract
The utility model discloses an arc extinguishing structure of measurement switch, its technical scheme main points are including the casing, are provided with arc extinguishing chamber and a plurality of connection port in the casing, are provided with the division board in the arc extinguishing chamber, and a plurality of explosion chambers are cut apart into with the arc extinguishing chamber to the division board to all be provided with the arc extinguishing cover in each arc extinguishing chamber, the arc extinguishing cover is protruding structure setting including a plurality of arc extinguishing pieces, arc extinguishing piece orientation connection port's one end, and this arc extinguishing structure can improve arc extinguishing ability, guarantees equipment safety.
Description
Technical Field
The utility model relates to an arc extinguishing structure, more specifically say, it relates to an arc extinguishing structure of measurement switch.
Background
The measuring switch is a low-voltage switch electric appliance with a high-precision current sensor and a measuring module, is used for realizing the normal switching-on and breaking or overload short-circuit protection function of a distribution line, can realize local or remote interaction of data, can realize monitoring of node voltage, current, electric energy and the like, and has a segmented lean processing function.
In a contact electric appliance, the process of making and breaking the current by the contact is often accompanied by the generation and extinction of an electric arc. Electric arc is a gas discharge phenomenon, and has certain harm to electric appliances.
The existing measurement switch has different arc extinguishing structures, but still has the problem of poor arc extinguishing effect and hidden equipment danger.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an arc extinguishing structure of measurement switch, this arc extinguishing structure can improve the arc extinguishing ability, guarantees equipment safety.
In order to achieve the above purpose, the utility model provides a following technical scheme: an arc extinguishing structure of a measurement switch comprises a shell, wherein an arc extinguishing cavity and a plurality of connecting ports are arranged in the shell, a partition plate is arranged in the arc extinguishing cavity, the arc extinguishing cavity is divided into a plurality of arc extinguishing chambers by the partition plate, and an arc extinguishing cover is arranged in each arc extinguishing chamber;
the arc extinguishing cover comprises a plurality of arc extinguishing blocks, and the arc extinguishing blocks are arranged in a protruding structure towards one end of the connecting port.
To sum up, the utility model discloses following beneficial effect has: the arc extinguishing chamber is divided into a plurality of arc extinguishing chambers by the partition plates, each arc extinguishing chamber corresponds to one connecting port, and therefore when the electric arc condition occurs in the process of connecting and breaking the current of the connecting port contact, the arc extinguishing effect is achieved through the arc extinguishing cover.
Arc chutes are relatively common devices that contact the arc with a solid medium to reduce the arc temperature and thereby accelerate the arc extinction.
A plurality of arc extinguishing pieces can form a plurality of seams, reach effectual arc extinguishing effect.
Drawings
FIG. 1 is a schematic perspective view of a measurement switch;
FIG. 2 is a schematic perspective view of an arc extinguishing block;
figure 3 is a schematic perspective view of an arc chute;
FIG. 4 is a schematic perspective view of the pressure rising plate;
fig. 5 is a schematic perspective view of a magnetic blow plate.
Reference numerals: 1. a housing; 2. an arc extinguishing chamber; 21. a partition plate; 22. an arc extinguishing chamber; 23. an arc chute; 3. a connection port; 4. a first arc extinguishing block; 41. a first mounting edge; 42. a first arc extinguishing head; 43. a straight plate; 5. a second arc extinguishing block; 51. a second mounting edge; 52. a second arc extinguishing head; 53. an arc plate; 6. a contact inlet; 7. a magnetic blow plate; 8. and (5) lifting the pressing plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 and 5, in order to achieve the above object, the present invention provides the following technical solutions: an arc extinguishing structure of a measurement switch comprises a shell 1, wherein an arc extinguishing chamber 2 and a plurality of connecting ports 3 are arranged in the shell 1, a partition plate 21 is arranged in the arc extinguishing chamber 2, the arc extinguishing chamber 2 is divided into a plurality of arc extinguishing chambers 22 by the partition plate 21, and an arc extinguishing cover 23 is arranged in each arc extinguishing chamber 22;
The utility model discloses a design separates arc extinguishing chamber 2 for a plurality of explosion chambers 22 through division board 21 for each explosion chamber 22 corresponds a connection port 3, thereby when the process of 3 contact switch-ons of connection port and disconnected electric current the electric arc condition appears, realizes the arc extinguishing effect through arc extinguishing chamber 23.
Arc chute 23 is a relatively common device for bringing the arc into contact with a solid medium to lower the arc temperature and thereby accelerate the arc extinction.
A plurality of arc extinguishing pieces can form a plurality of seams, reach effectual arc extinguishing effect.
The arc-extinguishing chamber 23 further includes magnetic steel plates located at both sides, and both ends of each arc-extinguishing block are detachably connected to the magnetic steel plates at both sides, as shown in fig. 2.
The number of the arc-extinguishing chambers 22 corresponds to the number of the connection ports 3, and the positions thereof are arranged in one-to-one correspondence.
The design can enable the arc extinguishing chamber 22 to realize an arc extinguishing effect for each connecting port 3, and ensure the safety of each port in the connection or disconnection process.
The arc extinguishing block is including first arc extinguishing block 4 and second arc extinguishing block 5, and first arc extinguishing block 4 and second arc extinguishing block 5 all are provided with the polylith, and first arc extinguishing block 4 all sets up in the below of second arc extinguishing block 5.
The first arc extinguishing blocks 4 are smaller than the second arc extinguishing blocks 5 in size.
The position of the arc end of the second arc extinguishing block 5 exceeds the position of the arc end of the first arc extinguishing block 4.
The first arc extinguishing block 4 comprises a first mounting edge 41 and a first arc extinguishing head 42, and the first arc extinguishing head 42 and the first mounting edge 41 are connected by a straight plate 43.
The second arc-extinguishing block 5 comprises a second mounting edge 51 and a second arc-extinguishing head 52, and the second arc-extinguishing head 52 and the second mounting edge 51 are connected by an arc plate 53.
As shown in fig. 2, the first arc extinguishing block 4 and the second arc extinguishing block 5 with the size can improve the arc extinguishing effect of the equipment and ensure the stability of arc extinguishing.
The specific first arc extinguishing block 4 and the second arc extinguishing block 5 are arranged at the upper positions of the ports, when electric arcs occur, the electric arcs diffuse around, firstly pass through the first arc extinguishing block 4 and the gap between the two adjacent first arc extinguishing blocks 4, and achieve direct and effective arc extinguishing effect on the tiny electric arcs.
When electric arc was too big, electric arc upwards extension once more, because second arc-extinguishing block 5 outwards extends for first arc-extinguishing block 4, can fully form the parcel effect to electric arc to reach stable arc extinguishing effect.
On the other hand, the design of the first arc extinguishing block 4 can leave enough space below to facilitate the connection of the wiring port.
Besides, the first arc extinguishing block 4 and the straight plate 43, and the second arc extinguishing block 5 and the arc plate 53 can increase the contact space of the first arc extinguishing block 4 and the second arc extinguishing block 5, thereby achieving the effective arc extinguishing effect.
The arc extinguishing block is made of iron.
The first arc extinguishing block 4 is at least provided with two, and the second arc extinguishing block 5 is at least provided with four.
As shown in fig. 2, it is preferable that the first arc-extinguishing block 4 is provided with 3 blocks and the second arc-extinguishing block 5 is provided with 8 blocks.
The arc extinguishing cover 23 comprises a contact inlet 6, a magnetic blow-out plate 7 and a pressure lifting plate 8, wherein the contact inlet 6 is used for supplying an arc extinguishing block, the magnetic blow-out plate 7 and the pressure lifting plate 8;
the magnetic blowing plate 7 is arranged at the rear side of the arc extinguishing block;
the lifting pressure plate 8 is sleeved outside the magnetic blowing plate 7.
The booster plate 8 is made of a material capable of generating gas, and the gas is generated by the high temperature of the fault arc, so that the gas pressure in the arc extinguish chamber 22 is increased, and the arc can rapidly move to the grid plate.
The magnetic blow-out plate 7 is designed to enhance the magnetic blow-out force of the arc, which is rapidly introduced into the arc chute 22.
The inlet contact 6 is used for external connection.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an arc extinguishing structure of measurement switch, characterized by: the novel arc extinguishing chamber comprises a shell (1), an arc extinguishing chamber (2) and a plurality of connecting ports (3) are arranged in the shell (1), a partition plate (21) is arranged in the arc extinguishing chamber (2), the arc extinguishing chamber (2) is divided into a plurality of arc extinguishing chambers (22) by the partition plate (21), and an arc extinguishing cover (23) is arranged in each arc extinguishing chamber (22);
the arc extinguishing cover (23) comprises a plurality of arc extinguishing blocks, and the arc extinguishing blocks are arranged in a protruding structure towards one end of the connecting port (3).
2. An arc extinguishing structure of a measurement switch according to claim 1, characterized in that: the number of the arc extinguishing chambers (22) is consistent with that of the connecting ports (3), and the positions are arranged in a one-to-one correspondence mode.
3. An arc extinguishing structure of a measurement switch according to claim 1, characterized in that: the arc extinguishing block comprises a first arc extinguishing block (4) and a second arc extinguishing block (5), wherein the first arc extinguishing block (4) and the second arc extinguishing block (5) are provided with a plurality of blocks, and the first arc extinguishing block (4) is arranged below the second arc extinguishing block (5).
4. An arc extinguishing structure of a measurement switch according to claim 3, characterized in that: the size of the first arc extinguishing block (4) is smaller than that of the second arc extinguishing block (5).
5. An arc extinguishing structure of a measurement switch according to claim 4, characterized in that: the position of the arc end of the second arc extinguishing block (5) exceeds the position of the arc end of the first arc extinguishing block (4).
6. An arc extinguishing structure of a measurement switch according to claim 1, characterized in that: the arc extinguishing block is made of iron.
7. An arc extinguishing structure of a measurement switch according to claim 3, characterized in that: the first arc extinguishing block (4) is at least provided with two, and the second arc extinguishing block (5) is at least provided with four.
8. An arc extinguishing structure of a measurement switch according to claim 3, characterized in that: first arc extinguishing block (4) are including first installation along (41) and first arc extinguishing head (42), first arc extinguishing head (42) and first installation are followed and are connected the setting by straight board (43) between (41).
9. An arc extinguishing structure of a measurement switch according to claim 3, characterized in that: the second arc extinguishing block (5) comprises a second mounting edge (51) and a second arc extinguishing head (52), and the second arc extinguishing head (52) and the second mounting edge (51) are connected through an arc plate (53).
10. An arc extinguishing structure of a measurement switch according to claim 1, characterized in that: the arc extinguishing cover (23) comprises a contact inlet (6), a magnetic blowing plate (7) and a pressure lifting plate (8), wherein the contact inlet (6) is used for an arc extinguishing block, the magnetic blowing plate (7) and the pressure lifting plate (8);
the magnetic blowing plate (7) is arranged at the rear side of the arc extinguishing block;
the pressure rising plate (8) is sleeved on the outer side of the magnetic blowing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222093433.9U CN217933691U (en) | 2022-08-09 | 2022-08-09 | Arc extinguishing structure of measurement switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222093433.9U CN217933691U (en) | 2022-08-09 | 2022-08-09 | Arc extinguishing structure of measurement switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217933691U true CN217933691U (en) | 2022-11-29 |
Family
ID=84168011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222093433.9U Active CN217933691U (en) | 2022-08-09 | 2022-08-09 | Arc extinguishing structure of measurement switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217933691U (en) |
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2022
- 2022-08-09 CN CN202222093433.9U patent/CN217933691U/en active Active
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