CN221079914U - Sensitive direct current shunt release - Google Patents
Sensitive direct current shunt release Download PDFInfo
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- CN221079914U CN221079914U CN202322669743.5U CN202322669743U CN221079914U CN 221079914 U CN221079914 U CN 221079914U CN 202322669743 U CN202322669743 U CN 202322669743U CN 221079914 U CN221079914 U CN 221079914U
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- iron core
- movable iron
- fixedly connected
- shunt release
- movable
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 147
- 230000003068 static effect Effects 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of shunt release, in particular to a sensitive direct current shunt release, which comprises a shell, wherein a static iron core is fixedly connected in the shell, a movable iron core is arranged in the shell and above the static iron core, the movable iron core comprises a first movable iron core and a second movable iron core, the first movable iron core is arranged above the second movable iron core, an ejector rod is fixedly connected to the bottom of the second movable iron core, the movable iron core is designed into a first movable iron core and a second movable iron core which can be separated, meanwhile, the first movable iron core is connected with a connecting ring through a first elastic piece, and the second movable iron core is connected with the static iron core through a second elastic piece, so that when a coil is not electrified, the second movable iron core is separated from the second static iron core under the action of the second elastic piece, and simultaneously, the two elastic pieces are utilized to push the movable iron core, so that the separation speed between the movable iron core and the static iron core is faster, and the response is more sensitive when the coil is not electrified.
Description
Technical Field
The utility model relates to the technical field of shunt release, in particular to a sensitive direct-current shunt release.
Background
The shunt release is an accessory for remotely controlling the shunt release, and when the power supply voltage is equal to any voltage between 70% and 110% of the rated control power supply voltage, the shunt release can reliably break the circuit breaker, and can effectively provide protection for a direct current circuit.
In the prior art, a shunt release as proposed in patent application number CN201921635081.7 comprises a shell, wherein a coil rack is arranged in the shell, and a coil is wound on the coil rack; the static iron core is connected with the inner wall of the lower part of the coil rack, is positioned above the static iron core and is in sliding connection with the inner wall of the coil rack, and the whole length of the elastic piece can be prolonged under the condition that the distance between the static iron core and the movable iron core is unchanged, so that the collision force of the attraction surface is reduced, and the attraction surface is prevented from being deformed.
However, in the prior art, as in the shunt release proposed in the patent application number CN201921635081.7, the separation of the movable iron core and the static iron core pushes the movable iron core through a single elastic member, the separation speed of the movable iron core and the static iron core is slow, and the response sensitivity is insufficient when the coil is not electrified.
Disclosure of utility model
The utility model aims to provide a sensitive direct-current shunt release to solve the problems in the background technology.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a sensitive direct current shunt release, includes the shell, fixedly connected with quiet iron core in the shell, just be located quiet iron core top in the shell and be provided with movable iron core, movable iron core includes first movable iron core and second movable iron core, and first movable iron core sets up in second movable iron core top, and the bottom fixedly connected with ejector pin of second movable iron core has offered the spread groove that uses with the ejector pin cooperation on the quiet iron core.
The static iron core surface fixedly connected with go-between, the top fixedly connected with first elastic component of go-between, the top of first elastic component and the bottom fixed connection of first movable iron core, the top fixedly connected with second elastic component of static iron core, the top of second elastic component and the bottom fixed connection of second movable iron core.
Preferably, the shell is internally and fixedly connected with a coil rack, a coil is arranged on the outer surface of the coil rack, and the static iron core and the movable iron core are arranged inside the coil rack.
Preferably, the first elastic piece is sleeved outside the ejector rod, and the second elastic piece is sleeved outside the first elastic piece.
Preferably, the first movable iron core is provided with an opening, the top of the second movable iron core is fixedly connected with a limiting convex rod, and the top of the limiting convex rod penetrates through the opening of the first movable iron core and extends to the outside of the first movable iron core.
Preferably, the top threaded connection of shell has the screw thread apron, and the bottom fixedly connected with of screw thread apron and the insulating depression bar of spacing protruding pole cooperation use, the surface fixedly connected with of insulating depression bar and the insulating preforming of first movable iron core cooperation use.
Preferably, a plurality of connecting shafts are fixedly connected between the top of the coil rack and the top of the inner wall of the shell, and through holes are formed in the outer surface of the shell and located on one side of the connecting shafts.
The utility model has the beneficial effects that:
through with moving the iron core design into separable first movable iron core and second movable iron core, first movable iron core is connected through first elastic component and go-between simultaneously, and the second movable iron core passes through second elastic component and quiet iron core and connects for when the coil is unable to be electrified, under the effect of second elastic component, second movable iron core and second quiet iron core separate, utilize two elastic components to promote simultaneously and move the iron core, make the separation speed between movable iron core and the quiet iron core faster, response is more sensitive when the coil is unable to be electrified.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of the connection of the stationary core and the first movable core of FIG. 1 in accordance with the present utility model;
FIG. 3 is a cross-sectional view of the stationary core of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic view of the structure of the threaded closure of FIG. 1 in accordance with the present utility model;
fig. 5 is a schematic view of the structure of the bottom of the screw cap of fig. 4 according to the present utility model.
Reference numerals in the drawings are as follows:
1. The device comprises a shell, 2, a static iron core, 3, a first movable iron core, 4, a second movable iron core, 5, an ejector rod, 6, a connecting groove, 7, a connecting ring, 8, a first elastic piece, 9, a second elastic piece, 10, a coil rack, 11, a coil, 12, a limit protruding rod, 14, a threaded cover plate, 15, an insulating pressing rod, 16, an insulating pressing sheet, 17, a connecting shaft, 18 and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
The utility model provides a sensitive direct current shunt release, includes shell 1, the quiet iron core 2 of fixedly connected with in the shell 1, and be located quiet iron core 2 top in the shell 1 and be provided with movable iron core, movable iron core includes first movable iron core 3 and second movable iron core 4, and first movable iron core 3 sets up in second movable iron core 4 top, and the bottom fixedly connected with ejector pin 5 of second movable iron core 4 has offered the spread groove 6 that uses with ejector pin 5 cooperation on the quiet iron core 2.
The shunt release is applied to a direct current circuit, wherein a connecting ring 7 is fixedly connected to the outer surface of a static iron core 2, a first elastic piece 8 is fixedly connected to the top of the connecting ring 7, the top of the first elastic piece 8 is fixedly connected with the bottom of a first movable iron core 3, a second elastic piece 9 is fixedly connected to the top of the static iron core 2, and the top of the second elastic piece 9 is fixedly connected with the bottom of a second movable iron core 4.
As fig. 1, fig. 2 and fig. 3, the first movable iron core 3 and the second movable iron core 4 are abutted together, but the first movable iron core 3 and the second movable iron core 4 are not connected, so that the first movable iron core 3 and the second movable iron core 4 can be separated, the bottom of the ejector rod 5 is clamped into the connecting groove 6, the contact area of the ejector rod 5 and the static iron core 2 is increased, and the conductive effect is better.
The coil former 10 is fixedly connected with the shell 1, a coil 11 is arranged on the outer surface of the coil former 10, and the static iron core 2 and the movable iron core are arranged inside the coil former 10.
As shown in fig. 1, the coil 11 is wound on the outer side of the coil frame 10, the top and the bottom of the coil frame 10 are both circular, the coil frame 10 is located on the inner side of the housing 1, and the stationary core 2 and the movable core are both located on the inner side of the coil frame 10.
The first elastic piece 8 is sleeved outside the ejector rod 5, and the second elastic piece 9 is sleeved outside the first elastic piece 8.
As shown in fig. 1 and 2, the first elastic member 8 and the second elastic member 9 do not come into contact with each other.
The first movable iron core 3 is provided with an opening, the top of the second movable iron core 4 is fixedly connected with a limiting protruding rod 12, and the top of the limiting protruding rod 12 penetrates through the opening of the first movable iron core 3 and extends to the outside of the first movable iron core 3.
As shown in fig. 1 and 2, the limiting protruding rod 12 passes through the first movable iron core 3 and is not connected with the first movable iron core 3, and the limiting protruding rod 12 is made of an insulating material.
The top threaded connection of shell 1 has screw thread apron 14, and the bottom fixedly connected with of screw thread apron 14 is with the insulating depression bar 15 of spacing protruding pole 12 cooperation use, and the surface fixedly connected with of insulating depression bar 15 is with the insulating preforming 16 of first movable iron core 3 cooperation use.
As shown in fig. 1, fig. 4 and fig. 4, the casing 1 is provided with a screw, the outside of the screw cover plate 14 is provided with threads to realize the threaded connection of the screw cover plate 14 and the casing 1, so that the screw cover plate 14 is convenient to assemble and disassemble, the insulating compression bar 15 and the insulating pressing sheet 16 are positioned above the first movable iron core 3, and the screw cover plate 14 is provided with a bulge, so that the screw cover plate 14 is convenient to manually rotate.
A plurality of connecting shafts 17 are fixedly connected between the top of the coil frame 10 and the top of the inner wall of the shell 1, and a through hole 18 is formed in the outer surface of the shell 1 and located at one side of the connecting shafts 17.
As shown in fig. 1, the connecting shaft 17 may form a cavity between the top of the coil frame 10 and the inside of the housing 1 when the coil frame 10 and the housing 1 are connected, and the cavity and the through hole 18 formed between the top of the coil frame 10 and the inside of the housing 1 are located at the same height, so that the through hole 18 may communicate with the cavity, facilitate heat dissipation of the coil 11, and penetrate into the coil frame 10 from the top of the coil frame 10 to be connected with the first movable core 3.
The working principle of the sensitive direct-current shunt release provided by the utility model is as follows:
When the coil 11 is powered on, the first movable iron core 3 is driven to move towards the static iron core 2 against the elastic force of the first elastic piece 8, the second movable iron core 4 is attracted to the static iron core 2 against the elastic force of the second elastic piece 9, the second movable iron core 4 is extruded when the first movable iron core 3 moves, the attraction speed of the second movable iron core 4 and the static iron core 2 is accelerated, and therefore the ejector rod 5 is ejected out of the connecting groove 6;
When the coil 11 is not electrified, the first movable iron core 3 moves in a direction away from the connecting ring 7 under the action of the first elastic piece 8, and the second movable iron core 4 moves in a direction away from the static iron core 2 under the action of the second elastic piece 9, so that the ejector rod 5 is retracted;
After the first movable iron core 3 and the second movable iron core 4 are separated, the limiting protruding rod 12 is abutted against the insulating compression rod 15 to limit the second movable iron core 4, at the moment, the second movable iron core 4 cannot move, the first movable iron core 3 can continue to move until the top of the first movable iron core 3 is abutted against the insulating pressing sheet 16, the first movable iron core 3 is limited, and meanwhile the first movable iron core 3 and the second movable iron core 4 are separated.
Compared with the related art, the sensitive direct-current shunt release provided by the utility model has the following beneficial effects:
Through with moving the iron core design into separable first movable iron core 3 and second movable iron core 4, first movable iron core 3 is connected through first elastic component 8 and go-between 7 simultaneously, second movable iron core 4 is connected through second elastic component 9 and quiet iron core 2 for when coil 11 does not get the electricity, under the effect of second elastic component 9, second movable iron core 4 and second quiet iron core 2 separate, utilize two elastic components to promote simultaneously and move the iron core, make the separation rate between movable iron core and the quiet iron core 2 faster, response is more sensitive when coil 11 does not get the electricity.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a sensitive direct current shunt release, includes shell (1), its characterized in that, fixedly connected with quiet iron core (2) in shell (1), just be located quiet iron core (2) top in shell (1) and be provided with movable iron core, movable iron core includes first movable iron core (3) and second movable iron core (4), first movable iron core (3) set up in second movable iron core (4) top, the bottom fixedly connected with ejector pin (5) of second movable iron core (4), seted up on quiet iron core (2) with ejector pin (5) cooperation use spread groove (6);
the static iron core (2) surface fixedly connected with go-between (7), the top fixedly connected with first elastic component (8) of go-between (7), the top of first elastic component (8) and the bottom fixed connection of first movable iron core (3), the top fixedly connected with second elastic component (9) of static iron core (2), the top of second elastic component (9) and the bottom fixed connection of second movable iron core (4).
2. The sensitive direct-current shunt release according to claim 1, wherein a coil frame (10) is fixedly connected in the housing (1), a coil (11) is arranged on the outer surface of the coil frame (10), and the static iron core (2) and the movable iron core are both arranged inside the coil frame (10).
3. The sensitive direct current shunt release according to claim 2, wherein the first elastic member (8) is sleeved outside the ejector rod (5), and the second elastic member (9) is sleeved outside the first elastic member (8).
4. The sensitive direct current shunt release according to claim 2, wherein the first movable iron core (3) is provided with an opening, the top of the second movable iron core (4) is fixedly connected with a limiting protruding rod (12), and the top of the limiting protruding rod (12) penetrates through the opening of the first movable iron core (3) and extends to the outside of the first movable iron core (3).
5. The sensitive direct current shunt release according to claim 4, wherein a threaded cover plate (14) is connected to the top of the housing (1) in a threaded manner, an insulating compression bar (15) matched with the limit protruding rod (12) is fixedly connected to the bottom of the threaded cover plate (14), and an insulating compression sheet (16) matched with the first movable iron core (3) is fixedly connected to the outer surface of the insulating compression bar (15).
6. The sensitive direct current shunt release according to claim 5, wherein a plurality of connecting shafts (17) are fixedly connected between the top of the coil frame (10) and the top of the inner wall of the housing (1), and a through hole (18) is formed in the outer surface of the housing (1) and located at one side of the connecting shafts (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322669743.5U CN221079914U (en) | 2023-10-07 | 2023-10-07 | Sensitive direct current shunt release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322669743.5U CN221079914U (en) | 2023-10-07 | 2023-10-07 | Sensitive direct current shunt release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221079914U true CN221079914U (en) | 2024-06-04 |
Family
ID=91268063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322669743.5U Active CN221079914U (en) | 2023-10-07 | 2023-10-07 | Sensitive direct current shunt release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221079914U (en) |
-
2023
- 2023-10-07 CN CN202322669743.5U patent/CN221079914U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |