Closing electromagnet of intelligent circuit breaker

Abstract

The utility model relates to the technical field of intelligent circuit breakers, in particular to a closing electromagnet of an intelligent circuit breaker, which comprises a magnet yoke, a movable iron core, a static iron core, a push rod, a coil and a coil framework. The coil is wound on the peripheral side of the coil framework, the static iron core is fixed at one end of the magnet yoke and arranged in one end of the coil framework, the movable iron core is movably arranged in the other end of the coil framework, and the push rod is riveted on the movable iron core in a pressing mode. Compared with other intelligent circuit breakers with motor-driven operating mechanisms, the electromagnetic type intelligent circuit breaker has the advantages that under the condition of the same specification, the width of the electromagnetic type intelligent circuit breaker can be 1: 1 of that of a traditional circuit breaker, the layout of each component can be completed in the same volume as that of the traditional circuit breaker, the components can work accurately and reliably, small volume and multiple functions are realized, and the electromagnetic type intelligent circuit breaker is suitable for popularization and application. Product safety, reliability and stability are improved, space is effectively utilized, cost is reduced, and reliability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent circuit breakers, in particular to a closing electromagnet of an intelligent circuit breaker. Background Art

[0002] With the development of the times and the advancement of technology, traditional small circuit breakers only have protection functions and are difficult to meet the needs of safer, more convenient and diversified lives. The use of intelligent circuit breakers is becoming more and more widespread and has been applied to schools, banks, shopping malls, office buildings, residential houses and other places for monitoring, control, early warning and protection.

[0003] The existing intelligent circuit breaker closing drive mechanism adopts a motor-gear transmission structure, which is easy to wear and stagnate, affecting the service life; the motor-gear transmission has many parts, complex assembly and high cost; the closing speed is slow, affecting the life of the product contacts.

[0004] To this end, the utility model proposes a closing electromagnet of an intelligent circuit breaker to improve the above-mentioned problem. Utility Model Content

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a closing electromagnet of an intelligent circuit breaker, comprising a yoke, a moving iron core, a stationary iron core, a push rod, a coil and a coil frame; the coil is wound around the circumference of the coil frame, the stationary iron core is fixed to one end of the yoke, and the stationary iron core is arranged inside one end of the coil frame, and the moving iron core is movably arranged inside the other end of the coil frame.

[0006] Preferably, a conical protrusion is provided at one end of the moving iron core, and a conical groove is provided at one end of the stationary iron core, and the conical protrusion matches with the conical groove.

[0007] Preferably, the push rod is riveted onto the moving iron core.

[0008] Preferably, the static iron core is riveted to the yoke.

[0009] Preferably, a semi-spherical protrusion is provided at one end of the push rod.

[0010] Preferably, the push rod passes through one end of the magnetic yoke, and the coil frame is fixed inside the magnetic yoke.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Compared with other intelligent circuit breakers with motor-driven operating mechanisms, the electromagnetic intelligent circuit breaker of the utility model can achieve a width of 1:1 with that of a traditional circuit breaker under the same specifications. The layout of various components is completed within the same volume as that of the traditional circuit breaker, ensuring that the components can work accurately and reliably, achieving small volume and multi-functions, improving product safety, reliability and stability, effectively utilizing space, reducing costs and improving reliability;

[0013] Among them, a certain voltage is applied to the closing electromagnet coil, generally AC160V-260V, and the moving iron core moves close to the static iron core under the action of electromagnetic force, driving the push rod to move together, playing a pushing role; when the coil voltage is removed, the moving iron core returns to a free state. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic cross-sectional diagram of the overall structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the cooperation between the moving iron core and the static iron core in the utility model.

[0017] In the figure: 1. yoke; 2. moving iron core; 3. stationary iron core; 4. push rod; 5. coil; 6. coil frame; 7. conical protrusion; 8. semi-spherical protrusion. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figure 1-3 , in the figure: This embodiment is a preferred implementation of the technical solution, a closing electromagnet of an intelligent circuit breaker, comprising a yoke 1, a moving iron core 2, a static iron core 3, a push rod 4, a coil 5 and a coil skeleton 6; the coil 5 is wound around the coil skeleton 6, the static iron core 3 is fixed to one end of the yoke 1, and the static iron core 3 is arranged inside one end of the coil skeleton 6, and the moving iron core 2 is movably arranged inside the other end of the coil skeleton 6;

[0021] It should be noted that: when the closing electromagnet of the intelligent circuit breaker involved in the present application is assembled, the coil 5 is wound on the coil frame 6, and two lead wires are led out for applying voltage; the moving iron core 2 is inserted into the coil frame 6, and the static iron core 3 is inserted into the coil frame 6 and assembled to the yoke 1, and the static iron core 3 and the yoke 1 are riveted together; the push rod 4 is inserted through the static iron core 3 and riveted with the moving iron core 2; a certain voltage is applied to the closing electromagnet coil 5, generally AC160V-260V, and the moving iron core 2 is moved under the action of electromagnetic force It moves in the direction close to the static iron core 3, driving the push rod 4 to move together, playing a pushing role; when the voltage of the coil 5 is removed, the moving iron core 2 returns to a free state. The overall structure is simple, the space occupied is small, the function is reliable, and the service life is long. Compared with other intelligent circuit breakers with motor-driven operating mechanisms, the electromagnetic intelligent circuit breaker has a width of 1:1 with that of a traditional circuit breaker under the same specifications. The layout of various components is completed within the same volume as the traditional circuit breaker to ensure that the components can work accurately and reliably, so as to effectively use space, reduce costs and improve reliability.

[0022] Among them Figure 1 As shown, a semi-spherical protrusion 8 is provided at one end of the push rod 4; the push rod 4 passes through one end of the magnetic yoke 1, and the coil skeleton 6 is fixed inside the magnetic yoke 1;

[0023] It should be noted that the push rod 4 is a movable structure, and the semi-spherical protrusion 8 provided at its end serves as an abutment structure. Since the coil skeleton 6 is fixed inside the yoke 1, the push rod 4 passes through one end of the yoke 1 for assembly requirements.

[0024] Among them Figure 2 As shown, the push rod 4 is riveted on the moving iron core 2; the static iron core 3 is riveted on the yoke 1;

[0025] It should be noted that: the push rod 4 and the moving iron core 2 keep moving synchronously, and the stationary iron core 3 and the magnetic yoke 1 keep being relatively fixed.

[0026] Among them Figure 3 As shown, a conical protrusion 7 is provided at one end of the moving iron core 2, and a conical groove is provided at one end of the static iron core 3, and the conical protrusion 7 matches with the conical groove;

[0027] It should be noted that the conical protrusion arranged at one end of the moving iron core 2 is used to better cooperate with the static iron core 3, which can effectively utilize the magnetic flux, and a channel is arranged in the middle position of the conical groove arranged at one end of the static iron core 3, and the channel is used to provide a telescopic space for the inner end of the push rod 4.

[0028] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make some simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A closing electromagnet of an intelligent circuit breaker, comprising a yoke (1), a moving iron core (2), a stationary iron core (3), a push rod (4), a coil (5) and a coil frame (6); characterized in that: The coil (5) is wound around the circumference of the coil frame (6), the static iron core (3) is fixed to one end of the magnetic yoke (1), and the static iron core (3) is arranged inside one end of the coil frame (6), and the movable iron core (2) is movably arranged inside the other end of the coil frame (6).

2. The closing electromagnet of an intelligent circuit breaker according to claim 1, characterized in that: A conical protrusion (7) is provided at one end of the moving iron core (2), and a conical groove is provided at one end of the stationary iron core (3), wherein the conical protrusion (7) matches the conical groove.

3. The closing electromagnet of an intelligent circuit breaker according to claim 1, characterized in that: The push rod (4) is riveted onto the moving iron core (2).

4. The closing electromagnet of an intelligent circuit breaker according to claim 1, characterized in that: The static iron core (3) is riveted onto the magnetic yoke (1).

5. The closing electromagnet of an intelligent circuit breaker according to claim 1, characterized in that: A semi-spherical protrusion (8) is provided at one end of the push rod (4).

6. The closing electromagnet of an intelligent circuit breaker according to claim 1, characterized in that: The push rod (4) passes through one end of the magnetic yoke (1), and the coil frame (6) is fixed inside the magnetic yoke (1).

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