Locking electromagnet

Abstract

The utility model discloses a latching electromagnet, which belongs to the technical field of latching electromagnets and comprises a shell of the latching electromagnet, an electromagnet coil and a connecting wire, the electromagnet coil is arranged in the shell, the connecting wire is arranged on the electromagnet coil, a heat absorption layer is fixedly connected onto the shell, and the heat absorption layer is fixedly connected onto the shell. The heat absorption layer is arranged between the shell and the electromagnet coil, a plurality of heat dissipation holes are formed in the shell, and the heat dissipation effect of the latching electromagnet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of locking electromagnets, in particular to a locking electromagnet. Background Art

[0002] The locking electromagnet is used in conjunction with an external circuit to prevent accidental closing of the circuit breaker (of course, it can also be used on isolators and load switches). The normally open auxiliary point of the locking is connected in series in the closing circuit of the circuit breaker. Only when the locking is energized can the closing circuit be opened.

[0003] The common locking electromagnet now includes an electromagnet coil, a shell and a connecting wire. The electromagnet coil is arranged in the shell, and the shell protects the electromagnet coil. The connecting wire is connected to the electromagnet coil, and the connecting wire serves to connect the electromagnet coil to the circuit.

[0004] Regarding the above technical conditions, there is also the problem that the locking electromagnet will generate heat after long-term use. When the heat of the locking electromagnet is too high, the magnetism of the electromagnet coil will decrease, affecting the use effect of the locking electromagnet. However, the heat dissipation effect of the current locking electromagnet is not good enough.

[0005] Based on this, the utility model designs a locking electromagnet to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a locking electromagnet to solve the above technical problems.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a locking electromagnet, comprising a locking electromagnet housing, an electromagnet coil and a connecting wire, wherein the electromagnet coil is arranged in the housing, the connecting wire is arranged on the electromagnet coil, a heat absorption layer is fixedly connected to the housing, the heat absorption layer is between the housing and the electromagnet coil, a heat dissipation hole is opened on the housing, and a plurality of heat dissipation holes are arranged on the housing.

[0008] Preferably, the housing is made of heat-conducting material.

[0009] Preferably, the heat dissipation holes include circular holes and square holes, the circular holes are arranged on one side of the shell, and the square holes are arranged on the other side of the shell.

[0010] Preferably, the circular hole is in a truncated cone shape, and the narrow end of the circular hole faces the heat absorption layer.

[0011] Preferably, a heat dissipation film is fixedly provided on the housing, and the housing is between the heat dissipation film and the heat absorption layer.

[0012] To sum up, the present application has the following beneficial technical effects: when the locking electromagnet generates heat after long-term use, the heat is first absorbed by the heat absorption layer, and then conducted to the outer shell made of heat-conducting material. Finally, the heat conducted to the outer shell is dissipated into the air through the heat dissipation holes. At the same time, the heat on the outer shell can also be better dissipated under the heat dissipation effect of the heat dissipation film. Therefore, the heat of the electromagnet coil can be better dissipated under the action of the heat absorption layer, the outer shell, the heat dissipation holes and the heat dissipation film. It is not easy for the heat of the locking electromagnet to be too high, affecting the use effect of the locking electromagnet, thereby achieving the effect of improving the heat dissipation effect of the locking electromagnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 Schematic diagram of the structure of the locking electromagnet of this embodiment;

[0015] Figure 2 Schematic diagram of the bottom structure of the locking electromagnet of this embodiment;

[0016] Figure 3 This is a schematic diagram of the front structure of the locking electromagnet of this embodiment.

[0017] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0018] 1. Shell; 2. Heat absorbing layer; 3. Electromagnet coil; 4. Round hole; 5. Connecting wire; 6. Square hole. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] The following is combined with Figure 1-3 This application is described in further detail.

[0021] A locking electromagnet includes a locking electromagnet shell 1, an electromagnet coil 3 and a connecting wire 5. The electromagnet coil 3 is arranged in the shell 1, and the connecting wire 5 is arranged on the electromagnet coil 3. The shell 1 protects the electromagnet coil 3, and the connecting wire 5 connects the electromagnet coil 3 and the circuit.

[0022] A heat absorbing layer 2 is fixedly connected to the shell 1. The heat absorbing layer 2 is between the shell 1 and the electromagnet coil 3. The heat absorbing layer 2 absorbs the heat generated by the electromagnet coil 3 and reduces the heat of the electromagnet coil 3.

[0023] The shell 1 is made of heat-conducting material. When the heat-absorbing layer 2 absorbs heat, the heat is transferred to the shell 1 because the shell 1 is made of heat-conducting material. The shell 1 contacts the outside air, which facilitates the outside air to cool the shell 1, thereby achieving the effect of cooling the locking electromagnet.

[0024] The housing 1 is provided with heat dissipation holes. There are multiple heat dissipation holes on the housing 1. The heat dissipation holes play a role in assisting heat dissipation. The heat dissipation holes increase the area of ​​the housing 1 in contact with the outside air, thereby improving the heat dissipation effect of the housing 1.

[0025] The heat dissipation holes include a circular hole 4 and a square hole 6. The circular hole 4 is arranged on one side of the shell 1, and the square hole 6 is arranged on the other side of the shell 1. Through the arrangement of the circular hole 4 and the square hole 6, airflows of different shapes are formed between the air, the heat absorption layer 2, the electromagnet coil 3, and the shell 1. Airflows of different shapes can better dissipate heat for the locking electromagnet.

[0026] Circular hole 4 is truncated cone-shaped, with the narrow end of the heat dissipation hole facing the heat absorption layer 2. This shape of circular hole 4 improves heat dissipation. A heat dissipation film is fixedly mounted on one side of the housing 1. The housing 1 is positioned between the heat dissipation film and the heat absorption layer 2. The heat dissipation film assists the housing 1 in dissipating heat, further improving the heat dissipation effect.

[0027] The working principle of this embodiment is as follows: when the locking electromagnet generates heat after long-term use, the heat is first absorbed by the heat absorption layer 2 and then conducted to the housing 1 made of a heat-conducting material. Finally, the heat conducted to the housing 1 is dissipated into the air through the heat dissipation holes. At the same time, the heat on the housing 1 can also be better dissipated under the heat dissipation effect of the heat dissipation film. Therefore, the heat of the electromagnet coil 3 can be better dissipated under the action of the heat absorption layer 2, the housing 1, the heat dissipation holes and the heat dissipation film. It is not easy for the locking electromagnet to be overheated and affect the use effect of the locking electromagnet, thereby achieving the effect of improving the heat dissipation effect of the locking electromagnet.

[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locking electromagnet, comprising a locking electromagnet housing (1), an electromagnet coil (3) and a connecting wire (5), characterized in that: The electromagnet coil (3) is arranged in the housing (1), the connecting wire (5) is arranged on the electromagnet coil (3), a heat absorbing layer (2) is fixedly connected to the housing (1), the heat absorbing layer (2) is between the housing (1) and the electromagnet coil (3), and a heat dissipation hole is opened on the housing (1), and a plurality of heat dissipation holes are arranged on the housing (1).

2. A locking electromagnet according to claim 1, characterized in that: The housing (1) is made of heat-conducting material.

3. The locking electromagnet according to claim 1, characterized in that: The heat dissipation holes include a circular hole (4) and a square hole (6); the circular hole (4) is arranged on one side of the housing (1), and the square hole (6) is arranged on the other side of the housing (1).

4. A locking electromagnet according to claim 3, characterized in that: The circular hole (4) is in the shape of a truncated cone, and the narrow end of the circular hole (4) faces the heat absorption layer (2).

5. The locking electromagnet according to claim 1, characterized in that: A heat dissipation film is fixedly provided on the housing (1), and the housing (1) is between the heat dissipation film and the heat absorption layer (2).

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