Electromagnetic coil

Abstract

The utility model relates to the technical field of electromagnetic coils, in particular to an electromagnetic coil which comprises a plastic shell, the outer wall of the plastic shell is fixedly connected with a metal magnetic conduction shell, a plastic coil framework is fixedly connected in a U-shaped cavity of the metal magnetic conduction shell, a copper coil is arranged in the plastic coil framework, and the copper coil is arranged in the plastic coil framework. The plastic shell is provided with an induction area, a sensor and a control chip are arranged in the induction area, the sensor is integrated on the control chip, the control chip is electrically connected with the copper coil, the outer wall of the plastic shell is provided with an insertion end used for fixing the plastic shell, the sensor and the control chip are arranged in the plastic shell, and the insertion end is connected with the plastic shell. The sensor is integrated on the control chip, one end of the control chip is connected with an external control circuit through the power supply and the control socket, the other end of the control chip is connected with the copper coil and used for controlling electrical performance parameters such as current and voltage of the copper coil, and then the purpose of accurately controlling the fan electromagnetic valve is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic coil, specifically disclose a kind of electromagnetic coil. BACKGROUND

[0002] Electromagnetic coil is by wire one circle by one circle on insulating tube, wire each other insulates.Electromagnetic coil is the principle of using electromagnetic induction to work device.When there is current through a wire, just in the wire around certain electromagnetic field, and the wire itself again to the wire in this electromagnetic field range inductive effect.Electromagnetic coil is a main component in solenoid valve, responsible for the opening of solenoid valve, close effect, electromagnetic coil can be used to control fan solenoid valve.

[0003] The electromagnetic coil structure for fan solenoid valve is simple, the electrical performance parameter of copper coil cannot be accurately controlled, and the fan solenoid valve cannot be accurately controlled, therefore, an electromagnetic coil is needed to solve this problem. INVENTION CONTENTS

[0004] The utility model provides a kind of electromagnetic coil, the electrical performance parameter of copper coil is controlled by sensor and chip, to reach the purpose of accurately controlling fan solenoid valve.

[0005] The utility model is realized as follows, a kind of electromagnetic coil, including plastic shell, the outer wall of the plastic shell is fixedly connected with metal magnetic conductive shell, the U-shaped cavity of the metal magnetic conductive shell is fixedly connected with plastic coil framework, the inside of the plastic coil framework is provided with copper coil, the plastic shell is provided with induction area, the inside of the induction area is provided with sensor and control chip, the sensor is integrated on control chip, the control chip is electrically connected with copper coil.

[0006] To facilitate the fixing of plastic shell, as a kind of electromagnetic coil of the utility model is preferred, the outer wall of the plastic shell is provided with the plug-in end for fixing plastic shell.

[0007] To facilitate the power supply and control of copper coil, as a kind of electromagnetic coil of the utility model is preferred, the outer wall of the induction area is provided with power supply and control connector, and the control chip is electrically connected with power supply and control connector.

[0008] To facilitate magnetic conduction, as a kind of electromagnetic coil of the utility model is preferred, the metal magnetic conductive shell is low carbon steel material.

[0009] To facilitate the wrapping of plastic coil framework and copper coil, as a kind of electromagnetic coil of the utility model is preferred, the cross section of the metal magnetic conductive shell is U-shaped.

[0010] In order to facilitate the production of plastic coil framework, as a kind of electromagnetic coil of the utility model, the plastic coil framework is made by injection molding process.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The electromagnetic coil, the sensor and the control chip are arranged in the plastic shell, the sensor is integrated on the control chip, one end of the control chip is connected with the external control circuit through the power supply and the control connector, and the other end of the control chip is connected with the copper coil, so as to control the current voltage and other electrical performance parameters of the copper coil, and the purpose of accurately controlling the fan electromagnetic valve is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an overall structural view of the electromagnetic coil of the utility model.

[0014] Figure 2 It is a sectional view of the electromagnetic coil of the utility model.

[0015] In the figure, 1 is a plastic shell, 2 is a plastic coil framework, 3 is a metal magnetic conductive shell, 4 is a copper coil, 5 is an induction area, 6 is a plug-in end, and 7 is a power supply and control connector. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0017] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0018] Please refer to Figure 1 and Figure 2The utility model provides an electromagnetic coil, including plastic shell 1, the outer wall of plastic shell 1 is fixedly connected with metal magnetic conductive shell 3, the U type cavity of metal magnetic conductive shell 3 is fixedly connected with plastic coil former 2, the inside of plastic coil former 2 is provided with copper coil 4, and plastic shell 1 is provided with induction area 5, and the inside of induction area 5 is provided with sensor and control chip, and sensor is integrated on control chip, and control chip is electrically connected with copper coil 4.

[0019] In the embodiment: sensor and control chip are placed inside plastic shell 1, sensor is integrated on control chip, one end of control chip is connected with external control circuit through power and control connector 7, and the other end of control chip is connected with copper coil 4, for controlling the current voltage and other electrical performance parameters of copper coil 4, to achieve the purpose of accurately controlling fan electromagnetic valve, and the whole is embedded with plastic process, and metal magnetic conductive shell 3 is wrapped around all parts to protect the parts.

[0020] As a technical optimization scheme of the utility model, the outer wall of plastic shell 1 is provided with a plug-in end 6 for fixing the plastic shell 1.

[0021] In the embodiment: by setting the plug-in end 6 on the outer wall of the plastic shell 1, the plastic shell 1 can be fixed through the plug-in end 6.

[0022] As a technical optimization scheme of the utility model, the outer wall of the induction area 5 is provided with a power and control connector 7, and the control chip is electrically connected with the power and control connector 7.

[0023] In the embodiment: by electrically connecting the control chip with the power and control connector 7, the copper coil 4 can be powered and controlled.

[0024] As a technical optimization scheme of the utility model, the metal magnetic conductive shell 3 is made of low-carbon steel.

[0025] In the embodiment: the metal magnetic conductive shell 3 is made of low-carbon steel with strong magnetic conductivity, which facilitates magnetic conduction.

[0026] As a technical optimization scheme of the utility model, the cross section of the metal magnetic conductive shell 3 is U-shaped.

[0027] In the embodiment: by setting the cross section of the metal magnetic conductive shell 3 as U-shaped, the plastic coil former 2 and the copper coil 4 can be wrapped.

[0028] As a technical optimization scheme of the utility model, the plastic coil former 2 is made of injection molding process.

[0029] In the embodiment: the plastic coil former 2 is produced by injection molding process, which is low in cost.

[0030] The utility model discloses a working principle: sensor and control chip are placed in the inside of plastic shell 1, and sensor is integrated on control chip, and one end of control chip is connected with external control circuit through power and control plug-in port 7, and the other end of control chip is connected with copper coil 4, and is used for controlling the electric performance parameter such as current voltage of copper coil 4, and then reaches the purpose of accurately controlling fan electromagnetic valve.

[0031] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electromagnetic coil, comprising a plastic shell (1), wherein a metal magnetic shell (3) is fixedly connected to the outer wall of the plastic shell (1), a plastic coil frame (2) is fixedly connected to the U-shaped cavity of the metal magnetic shell (3), and a copper coil (4) is disposed inside the plastic coil frame (2), characterized in that: The plastic shell (1) is provided with a sensing area (5), and a sensor and a control chip are provided inside the sensing area (5). The sensor is integrated on the control chip, and the control chip is electrically connected to the copper coil (4).

2. An electromagnetic coil according to claim 1, characterized in that: The outer wall of the plastic shell (1) is provided with a plug-in end (6) for fixing the plastic shell (1).

3. An electromagnetic coil according to claim 1, characterized in that: The outer wall of the sensing area (5) is provided with a power supply and control interface (7), and the control chip is electrically connected to the power supply and control interface (7).

4. An electromagnetic coil according to claim 1, characterized in that: The metal magnetic shell (3) is made of low carbon steel.

5. An electromagnetic coil according to claim 1, characterized in that: The cross-section of the metal magnetic shell (3) is U-shaped.

6. An electromagnetic coil according to claim 1, characterized in that: The plastic coil frame (2) is made by injection molding.

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