CN218299735U - Outdoor bistable permanent magnet mechanism - Google Patents
Outdoor bistable permanent magnet mechanism Download PDFInfo
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- CN218299735U CN218299735U CN202222132521.5U CN202222132521U CN218299735U CN 218299735 U CN218299735 U CN 218299735U CN 202222132521 U CN202222132521 U CN 202222132521U CN 218299735 U CN218299735 U CN 218299735U
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Abstract
The utility model provides an outdoor bistable permanent magnetic mechanism, which comprises a shell, a first coil, a moving contact and a static contact, wherein the first coil, the moving contact and the static contact are arranged in the shell, the outdoor bistable permanent magnetic mechanism also comprises a second coil and a storage battery which are arranged inside the shell, a spring is connected between the second coil and the moving contact, and a reversing switch is arranged outside the shell; the direction of the current of the second coil is changed through the forward and backward switch, so that the second coil can generate a magnetic field in the opposite direction. The utility model discloses a permanent magnetic mechanism only needs a second coil, through the direction of current that the switch change second coil inserts alright realize permanent magnetic mechanism combined floodgate and separating brake to can be permanent magnetic mechanism's manufacturing cost effectively.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to an outdoor bistable permanent magnetic mechanism.
Background
The permanent magnet mechanism is a core structure of an operating mechanism in the circuit breaker and is used for timely and reliably switching on and off the moving contact and the static contact of the circuit breaker so as to break off the connection of the circuit, namely the permanent magnet mechanism can control the circuit breaker to rapidly switch on and switch off, so that the safe operation of a power system is ensured.
The switching-on working principle of the permanent magnetic mechanism is as follows: the movable iron core assembly moves to a switching-on position under the action of electromagnetic attraction by utilizing a magnetic field generated by electrifying the switching-on coil;
the brake separating working principle of the permanent magnetic mechanism is as follows: the moving iron core component is moved by the action of electromagnetic attraction at the opening position based on the same principle as the closing position when the opening coil is electrified.
The prior art has the following defects: the prior art adopts two coils of closing coil and separating brake coil for realizing that the iron core subassembly removes, thereby produces the magnetic field of opposite direction through two coils of closing coil and separating brake coil and control the iron core subassembly and remove to closing position and separating brake position, realizes that the circuit breaker closes a floodgate and opens a floodgate, so sets up the manufacturing cost that can increase permanent magnetic mechanism to remain the improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide an outdoor bistable permanent magnetic mechanism.
The utility model discloses a following technical means realizes solving above-mentioned technical problem: an outdoor bistable permanent magnet mechanism comprises a shell, a first coil, a moving contact and a static contact, wherein the first coil, the moving contact and the static contact are arranged in the shell;
the current direction of the second coil is changed through the reversing switch, so that the second coil can generate a magnetic field in the opposite direction.
Preferably, the first coil and the second coil are respectively arranged on two sides of the movable contact, and the spring is connected between the second coil and the movable contact.
Preferably, the storage battery, the second coil and the moving contact are connected through a wire and a spring, and the fixed contact is connected with the first coil through a wire.
Preferably, a magnet block is connected to the inner side of the movable contact, and repulsive magnetic force is generated between the second coil and the magnet block after the second coil is electrified.
Preferably, the first coil generates repulsive magnetic force with the magnet block after being energized.
Preferably, the repulsive magnetic force generated after the first coil is connected into the circuit is smaller than the repulsive magnetic force generated between the second coil and the movable contact.
The utility model has the advantages that:
the utility model supplies power to the second coil through the storage battery, and the magnetic force generated by the second coil drives the moving contact to move to the position of the static contact to realize the switching-on process; when a short circuit occurs in the circuit, the current in the first coil is increased, and the first coil generates stronger repulsion force on the moving contact, so that the circuit can be powered off, and a tripping process is realized; when the brake is switched off, the direction of current introduction is changed through the reversing switch, the magnetic field of the second coil is changed, magnetic force which is magnetically attracted with the magnet block is generated after the second coil is electrified, and the moving contact and the static contact are driven to be separated through the second coil, so that the brake switching-off process is realized; the permanent magnet mechanism only needs one second coil, and the switching-on and switching-off of the permanent magnet mechanism can be realized by changing the current direction connected with the second coil through the reversing switch, so that the manufacturing cost of the permanent magnet mechanism can be effectively reduced.
Drawings
Fig. 1 is a schematic diagram of the opening of the gate of the present invention;
fig. 2 is a schematic view of the moving contact and the magnet block of the present invention;
fig. 3 is a schematic closing diagram of the present invention.
In the figure: 1. a housing; 2. a moving contact; 3. a first coil; 4. a spring; 5. static contact; 6. a stop bar; 7. a second coil; 8. a storage battery; 9. a reversing switch; 10. and a magnet block.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
Referring to fig. 1 to 3, an outdoor bistable permanent magnet mechanism of the present embodiment includes a housing 1, a first coil 3, a moving contact 2, and a static contact 5 disposed in the housing 1, and further includes a second coil 7 and a storage battery 8 disposed inside the housing 1, a spring 4 is connected between the second coil 7 and the moving contact 2, and a forward/backward switch 9 is disposed outside the housing 1; wherein, the current direction of the second coil 7 is changed by the reversible switch 9, so that the second coil 7 can generate a magnetic field with opposite direction;
the first coil 3 and the second coil 7 are respectively arranged at two sides of the movable contact 2, the spring 4 is connected between the second coil 7 and the movable contact 2, the storage battery 8, the second coil 7 and the movable contact 2 are connected through a conducting wire and the spring 4, the static contact 5 is connected with the first coil 3 through a conducting wire, the inner side of the movable contact 2 is connected with the magnet block 10, repulsive magnetic force is generated between the second coil 7 and the magnet block 10 after the second coil 7 is electrified, repulsive magnetic force is generated between the first coil 3 and the magnet block 10 after the first coil 3 is electrified, and the repulsive magnetic force generated after the first coil 3 is connected into a circuit is smaller than the repulsive magnetic force generated between the second coil 7 and the movable contact 2;
the storage battery 8, the second coil 7 and the moving contact 2 are connected through a lead and the spring 4, so that the second coil 7 can be powered through the storage battery 8, repulsive magnetic force is generated between the second coil 7 and the magnet block 10 after the second coil 7 is electrified, the moving contact 2 can be driven to move to the position of the static contact 5 through the magnetic force generated by the second coil 7, as shown in fig. 3, the first coil 3 is communicated with an external circuit through the lead, when the moving contact 2 moves to be in contact with the static contact 5, the static contact 5 and the first coil 3 are connected into a circuit, the repulsive magnetic force is generated between the first coil 3 and the magnet block 10 after the moving contact is electrified, and the repulsive magnetic force generated after the first coil 3 is connected into the circuit is smaller than the repulsive magnetic force generated between the second coil 7 and the moving contact 2, so that the moving contact 2 is always ensured to be in contact with the static contact 5, the circuit is ensured to realize a normal path, and a closing process can be realized;
when a short circuit occurs in the circuit, the current in the first coil 3 is increased, and strong repulsion force is generated on the moving contact 2 through the first coil 3, so that the circuit can be powered off, and a tripping process is realized;
when the brake is opened, the direction of current passing through the reversing switch 9 is changed, so that the magnetic field of the second coil 7 can be changed, the second coil 7 generates magnetic attraction magnetic force with the magnet block 10 after being electrified, and the attraction magnetic force generated after the first coil 3 is connected into the circuit is smaller than the repulsion magnetic force generated between the second coil 7 and the moving contact 2, so that the attraction magnetic force generated after the first coil 3 is connected into the circuit is larger than the repulsion magnetic force generated between the second coil 7 and the moving contact 2, and the moving contact 2 and the static contact 5 can be driven to be separated through the second coil 7, as shown in fig. 1, the brake opening process is realized;
the permanent magnet mechanism only needs one second coil 7, and the switching-on and switching-off of the permanent magnet mechanism can be realized by changing the current direction accessed by the second coil 7 through the reversing switch 9, so that the manufacturing cost of the permanent magnet mechanism can be effectively reduced.
The inner part of the shell 1 is provided with the baffle strip 6, and the moving contact 2 can be limited by the baffle strip 6 not to move when being contacted with the static contact 5, so that the moving contact 2 can be limited.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides an outdoor bistable permanent magnetic mechanism, includes shell (1), sets up first coil (3), moving contact (2) and static contact (5) in shell (1), its characterized in that: the device is characterized by also comprising a second coil (7) arranged on the inner side of the shell (1) and a storage battery (8), wherein a spring (4) is connected between the second coil (7) and the moving contact (2), and a reversing switch (9) is arranged on the outer side of the shell (1);
the direction of the current of the second coil (7) is changed through the forward and backward switch (9), so that the second coil (7) can generate a magnetic field in the opposite direction.
2. An outdoor bistable permanent magnet mechanism according to claim 1, wherein: the first coil (3) and the second coil (7) are respectively arranged on two sides of the moving contact (2), and the spring (4) is connected between the second coil (7) and the moving contact (2).
3. An outdoor bistable permanent magnet mechanism according to claim 1, wherein: the storage battery (8), the second coil (7) and the moving contact (2) are connected through a wire and a spring (4), and the static contact (5) and the first coil (3) are connected through a wire.
4. An outdoor bistable permanent magnet mechanism according to claim 1, wherein: the inner side of the moving contact (2) is connected with a magnet block (10), and repulsive magnetic force is generated between the second coil (7) and the magnet block (10) after the second coil is electrified.
5. An outdoor bistable permanent magnet mechanism according to claim 4, wherein: after the first coil (3) is electrified, repulsive magnetic force is generated between the first coil and the magnet block (10).
6. An outdoor bistable permanent magnet mechanism according to claim 5, wherein: the repulsion magnetic force generated after the first coil (3) is connected into the circuit is smaller than the repulsion magnetic force generated between the second coil (7) and the moving contact (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132521.5U CN218299735U (en) | 2022-08-12 | 2022-08-12 | Outdoor bistable permanent magnet mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132521.5U CN218299735U (en) | 2022-08-12 | 2022-08-12 | Outdoor bistable permanent magnet mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218299735U true CN218299735U (en) | 2023-01-13 |
Family
ID=84794347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222132521.5U Active CN218299735U (en) | 2022-08-12 | 2022-08-12 | Outdoor bistable permanent magnet mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218299735U (en) |
-
2022
- 2022-08-12 CN CN202222132521.5U patent/CN218299735U/en active Active
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