IP66 protection inversion inductor

Abstract

The utility model discloses an IP66 protection inversion inductor which comprises an inductor body, a heat conduction structure, a sealing structure and a heat dissipation structure, the heat conduction structure is arranged on the outer side of the inductor body, the heat dissipation structure is arranged on the outer side of the heat conduction structure, and the output end of the inductor body extends to the outside of the heat dissipation structure from the open side of the heat dissipation structure; the sealing structure is arranged on the open side end face of the heat dissipation structure; the heat dissipation structure comprises a containing cavity, a first heat dissipation part and a second heat dissipation part, and the containing cavity is of an open containing structure with an opening in the top and used for containing the heat conduction structure and the inductor body; the first heat dissipation part is arranged on the outer surface of the side wall of the accommodating cavity; the second heat dissipation part is arranged on the outer surface of the bottom wall of the containing cavity. The IP66 protection inversion inductor can absorb heat of the inductor body through the heat conduction structure, the heat dissipation structure dissipates internal heat into the external environment in the mode of heat exchange with the external environment, and therefore heat dissipation work of the inductor body is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inductor, especially to IP66 protection inverter inductor. BACKGROUND

[0002] IP66 protection inverter inductor is an electronic component specially designed for harsh environment, which combines the key functions of high protection level and inverter circuit. The protection function of IP66 protection inverter inductor mainly reflects in dustproof and waterproof performance. Specifically, IP66 protection level means that its dustproof is the highest level, which can completely prevent dust from entering, and its waterproof level can withstand strong water spray, with water column flow of 100 liters per minute, duration of at least 3 minutes, and distance of 3 meters. Based on the protection level of IP66 protection inverter inductor, it is suitable for various harsh environments, such as outdoor, dusty or humid environment, for example, outdoor LED lamp, car washing equipment, marine equipment, outdoor sound box, sports bracelet and other use conditions with high requirements for dustproof or waterproof.

[0003] Although the existing IP66 protection inverter inductor has high dustproof and waterproof performance, due to its strong sealing performance, the heat generated by the inductor during operation is easily accumulated in the inductor, and the heat dissipation efficiency is low, which easily leads to the actual working temperature exceeding the limit value and causing damage to the inductor. UTILITY MODEL CONTENTS

[0004] Therefore, it is necessary to provide an IP66 protection inverter inductor to solve the technical problem of insufficient heat dissipation performance of the existing IP66 protection inverter inductor.

[0005] An IP66 protection inverter inductor, which comprises an inductor body, a heat conduction structure, a sealing structure and a heat dissipation structure. The heat conduction structure is arranged outside the inductor body, and the heat dissipation structure is arranged outside the heat conduction structure. The heat dissipation structure is arranged as an open receiving structure with one end open, and the inductor body and the heat conduction structure are embedded in the heat dissipation structure. The output end of the inductor body extends to the outside of the heat dissipation structure from the open side of the heat dissipation structure. The sealing structure is arranged on the open side end face of the heat dissipation structure.

[0006] The heat dissipation structure comprises a receiving cavity, a first heat dissipation part and a second heat dissipation part. The receiving cavity is arranged as an open receiving structure with the top open, for receiving the heat conduction structure and the inductor body. The first heat dissipation part is arranged on the outer surface of the side wall of the receiving cavity. The second heat dissipation part is arranged on the outer surface of the bottom wall of the receiving cavity.

[0007] In one embodiment, the heat conduction structure is made of heat conductive silica gel, so that the heat conduction structure is filled in the heat conduction space between the inductor body and the heat dissipation structure by pouring.

[0008] In one of the embodiments, the IP66 protection inverter inductance mentioned above further comprises a temperature monitoring unit, which is arranged inside the heat conduction structure, and the output end of the temperature monitoring unit extends to the outside of the heat conduction structure.

[0009] In one of the embodiments, the temperature monitoring unit mentioned above is arranged as an NTC.

[0010] In one of the embodiments, the inductance body mentioned above comprises a coil and a magnetic core, the coil is wound on the side surface of the magnetic core to form an inductance functional structure.

[0011] In one of the embodiments, the inductance body mentioned above further comprises a skeleton, which is arranged at both ends of the magnetic core to form a support structure of the inductance body.

[0012] In one of the embodiments, the accommodating cavity mentioned above is provided with a matching part, which is arranged on the inner wall surface of the accommodating cavity corresponding to the skeleton, so that when the inductance body is accommodated in the accommodating cavity, the skeleton can be connected with the matching part.

[0013] In one of the embodiments, the inductance body mentioned above is arranged as a three-phase four-column inductance, the skeleton is arranged as a plurality of skeletons and is arranged at both ends of the magnetic core corresponding to each phase; the matching part is arranged as a plurality of matching parts corresponding to the skeleton, and the plurality of skeletons combined with the plurality of matching parts can stably position the three-phase four-column inductance.

[0014] In one of the embodiments, the first heat dissipation part mentioned above comprises a plurality of first heat dissipation fins, which are arranged in parallel along the outer surface of the side wall of the accommodating cavity to form a regular heat dissipation structure.

[0015] In one of the embodiments, the second heat dissipation part mentioned above comprises a plurality of second heat dissipation fins, which are arranged in parallel along the outer surface of the bottom wall of the accommodating cavity to form a regular heat dissipation structure.

[0016] In one of the embodiments, the end face of the top opening side of the accommodating cavity is provided with a embedding groove corresponding to the sealing structure, and the sealing structure can be fitted into the embedding groove.

[0017] In one of the embodiments, the embedding groove is arranged as a rectangular groove, and the sealing structure is arranged as a rectangular sealing ring corresponding to the embedding groove, so that the sealing structure can be fitted into the embedding groove.

[0018] The heat conduction structure can absorb the heat generated by the inductance body during operation and conduct the heat to the heat dissipation structure, the heat dissipation structure dissipates the internal heat to the external environment through heat exchange with the external environment, so as to complete the heat dissipation of the inductance body; the sealing structure can ensure the waterproof and dustproof performance of the IP66 protection inverter inductance in the actual application process, so as to realize the protection function of the inductance body. Specifically, the inner wall of the containing structure can absorb the heat transmitted from the heat conduction structure, then the first heat dissipation part and the second heat dissipation part can dissipate the heat transferred by the containing structure through heat exchange with the external environment, so as to effectively enhance the heat dissipation performance of the inductance body, improve the working stability of the IP66 protection inverter, avoid the adverse effect of high heat generation condition on the sealing performance of the sealing structure, and then improve the use safety and prolong the service life of the IP66 protection inverter. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a structural schematic diagram of the IP66 protection inverter inductance in an embodiment.

[0020] Fig. 2 It is an exploded structural schematic diagram of the IP66 protection inverter inductance in an embodiment. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0022] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0023] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply a relative importance or an ordering between or among the indicated features. Thus, a feature defined with "first", "second", etc. can explicitly or implicitly include at least one of the feature. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically defined.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0026] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation.

[0027] Please refer to Figs. 1-2The utility model discloses an IP66 protection inverter inductance 10, this IP66 protection inverter inductance 10 includes inductance main part 100, heat conduction structure 200, sealing structure 300 and heat dissipation structure 400, heat conduction structure 200 sets up inductance main part 100 outside, heat dissipation structure 400 sets up inductance main part 100 outside, wherein, heat dissipation structure 400 is set as the open type containing structure of one end open, inductance main part 100 and heat conduction structure 200 are embedded with heat dissipation structure 400 inside, and the output end of inductance main part 100 extends to heat dissipation structure 400 outside by the open side of heat dissipation structure 400 to be used for with external structure electric connection, sealing structure 300 sets up the open side end face of heat dissipation structure 400, when IP66 protection inverter inductance 10 practical application, sealing structure 300 can strengthen the sealing performance between heat dissipation structure 400 and the connected external structure. Based on this, heat conduction structure 200 can absorb the heat generated during the operation of inductance main part 100 and conduct to heat dissipation structure 400, heat dissipation structure 400 dissipates internal heat to the external environment by the way of heat exchange with the external environment, to complete the heat dissipation work of inductance main part 100 in this way, sealing structure 300 can ensure the waterproof and dustproof performance of IP66 protection inverter inductance 10 in the actual application process, to realize the protection function of inductance main part 100. Specifically, heat dissipation structure 400 includes containing cavity 410, first heat dissipation part 420 and second heat dissipation part 430, containing cavity 410 is set as the open type containing structure of top opening, to be used for containing heat conduction structure 200 and inductance main part 100, first heat dissipation part 420 sets up in the lateral wall outer surface of containing cavity 410, second heat dissipation part 430 sets up in the bottom wall outer surface of containing cavity 410, so that the inner wall of containing structure can absorb the heat transmitted from heat conduction structure 200, then, first heat dissipation part 420 and second heat dissipation part 430 can dissipate the heat avoided by containing structure through the way of heat exchange with the outside, to effectively enhance the heat dissipation performance of inductance main part 100, improve the working stability of IP66 protection inverter inductance 10, avoid the adverse effect on the sealing performance of sealing structure 300 under high heat production working condition, then improve the use safety of IP66 protection inverter inductance 10, prolong the service life.

[0028] Further, heat conduction structure 200 is made of heat-conducting silica gel, so that heat conduction structure 200 is filled into the heat conduction space between inductance main part 100 and heat dissipation structure 400 by the way of pouring, so as to improve the heat conduction efficiency and uniformity between inductance main part 100 and heat dissipation structure 400.

[0029] Further, the IP66 protection inverter inductance 10 further comprises a temperature monitoring unit 500, the temperature monitoring unit 500 is arranged in the heat conduction structure 200, and the output end of the temperature monitoring unit 500 extends to the outside of the heat conduction structure 200, so as to transmit temperature monitoring data to the external control system, so as to implement monitoring on the working temperature of the IP66 protection inverter inductance 10, and ensure the operation safety of the IP66 protection inverter inductance 10. In one embodiment, the temperature monitoring unit 500 is arranged as an NTC, the NTC senses the temperature of the heat conduction structure 200 and the inductance body 100 inside the heat conduction structure 200 through resistance change, and converts the temperature signal into an electric signal and transmits it to the control system. For the heat conduction structure 200, the NTC can realize accurate temperature management.

[0030] Further, the inductance body 100 comprises a coil 110 and a magnetic core 120, the coil 110 is correspondingly wound on the side surface of the magnetic core 120, so as to form an inductance functional structure. In one embodiment, the inductance body 100 further comprises a skeleton 130, the skeleton 130 is arranged at both ends of the magnetic core 120, so as to form a support structure of the inductance body 100. Correspondingly, the accommodation cavity 410 is provided with a matching part 411, the matching part 411 is arranged on the inner wall surface of the accommodation cavity 410 corresponding to the skeleton, so that when the inductance body 100 is accommodated in the accommodation cavity 410, the skeleton 130 can be connected with the matching part 411, so as to limit the installation position of the inductance body 100 in the accommodation cavity 410. Based on this, the heat conduction structure 200 is filled between the inductance body 100 and the accommodation cavity 410, so as to form a stable connection structure of the inductance body 100, the heat conduction structure 200 and the accommodation cavity 410, and improve the stability and shock resistance of the inductance body 100. In another embodiment, the inductance body 100 is arranged as a three-phase four-column inductance, and the skeleton 130 is arranged as a plurality of skeletons and is arranged at both ends of the magnetic core 120 corresponding to each phase; the matching part 411 is arranged as a plurality of matching parts corresponding to the skeleton 130, and the plurality of skeletons 130 combined with the plurality of matching parts 411 can stably position the three-phase four-column inductance, so as to ensure the working stability of the IP66 protection inverter inductance 10.

[0031] Further, the first heat dissipation part 420 comprises a plurality of first heat dissipation fins 421, and the plurality of first heat dissipation fins 421 are arranged in parallel along the outer surface of the side wall of the accommodation cavity 410, so as to form a regular heat dissipation structure 400, and strengthen the heat dissipation performance of the side wall of the accommodation cavity 410.

[0032] Further, the second heat dissipation part 430 comprises a plurality of second heat dissipation fins 431, and the plurality of second heat dissipation fins 431 are arranged in parallel along the outer surface of the bottom wall of the accommodation cavity 410, so as to form a regular heat dissipation structure 400, and strengthen the heat dissipation performance of the bottom wall of the accommodation cavity 410.

[0033] Further, the end face of the top opening side of the accommodation cavity 410 is provided with a groove a corresponding to the sealing structure 300, and the sealing structure 300 can be fitted into the groove a, so as to realize the stable connection between the sealing structure 300 and the accommodation cavity 410. In an embodiment, the groove a is provided as a rectangular slot, and the sealing structure 300 is provided as a rectangular sealing ring, so that the sealing structure 300 can be correspondingly fitted into the groove a, thereby enhancing the sealing performance of the opening end face of the accommodation cavity 410.

[0034] In summary, the IP66 protective inverter inductance disclosed by the utility model can absorb the heat generated in the working process of the inductor body through the heat conduction structure and conduct the heat to the heat dissipation structure, the heat dissipation structure dissipates the internal heat to the external environment through heat exchange with the external environment, thereby completing the heat dissipation of the inductor body; the sealing structure can ensure the waterproof and dustproof performance of the IP66 protective inverter inductance in the actual application process, thereby realizing the protection function of the inductor body. Specifically, the inner wall of the accommodation structure can absorb the heat transmitted from the heat conduction structure, then the first heat dissipation part and the second heat dissipation part can dissipate the heat transmitted by the accommodation structure through heat exchange with the external environment, thereby effectively enhancing the heat dissipation performance of the inductor body, improving the working stability of the IP66 protective inverter inductance, avoiding the adverse effect of high heat generation working condition on the sealing performance of the sealing structure, thereby improving the use safety of the IP66 protective inverter inductance and prolonging the service life.

[0035] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present disclosure.

[0036] The above-described embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, some modifications and improvements can be made, which are all within the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. An IP66 protected inverter inductor, characterized in that, include: The inductor body comprises a heat-conducting structure, a sealing structure, and a heat-dissipating structure. The heat-conducting structure is located on the outside of the inductor body, and the heat-dissipating structure is located on the outside of the heat-conducting structure. The heat-dissipating structure is an open-ended housing structure with one end open. The inductor body and the heat-conducting structure are fitted inside the heat-dissipating structure. The output end of the inductor body extends from the open side of the heat-dissipating structure to the outside of the heat-dissipating structure. The sealing structure is located on the open end face of the heat-dissipating structure. The heat dissipation structure includes a receiving cavity, a first heat dissipation part, and a second heat dissipation part. The receiving cavity is configured as an open receiving structure with an opening at the top to receive the heat-conducting structure and the inductor body. The first heat dissipation part is disposed on the outer surface of the side wall of the receiving cavity. The second heat dissipation part is disposed on the outer surface of the bottom wall of the receiving cavity.

2. The IP66 protected inverter inductor according to claim 1, characterized in that, The thermally conductive structure is made of thermally conductive silicone, and is thus filled into the thermally conductive space between the inductor body and the heat dissipation structure through potting.

3. The IP66 protected inverter inductor according to claim 2, characterized in that, The IP66 protected inverter inductor also includes a temperature monitoring unit, which is located inside the heat-conducting structure and its output extends to the outside of the heat-conducting structure.

4. The IP66 protected inverter inductor according to claim 3, characterized in that, The temperature monitoring unit is set to NTC.

5. The IP66 protected inverter inductor according to claim 4, characterized in that, The inductor body includes a coil and a magnetic core. The coil is wound around the side surface of the magnetic core to form the inductor functional structure.

6. The IP66 protected inverter inductor according to claim 5, characterized in that, The inductor body also includes a frame, which is located at both ends of the magnetic core, thus forming a support structure for the inductor body.

7. The IP66 protected inverter inductor according to claim 6, characterized in that, The receiving cavity is provided with a mating part, and the mating part is provided on the inner wall surface of the receiving cavity corresponding to the skeleton. Thus, when the inductor body is received inside the receiving cavity, the skeleton can be connected with the mating part.

8. The IP66 protected inverter inductor according to claim 7, characterized in that, The first heat dissipation section includes a plurality of first heat dissipation fins, which are arranged in parallel along the outer surface of the side wall of the receiving cavity to form a regular heat dissipation structure.

9. The IP66 protected inverter inductor according to claim 8, characterized in that, The second heat dissipation section includes several second heat dissipation fins, which are arranged in parallel along the outer surface of the bottom wall of the receiving cavity to form a regular heat dissipation structure.

10. The IP66 protected inverter inductor according to claim 9, characterized in that, The end face of the top opening side of the receiving cavity is provided with a groove corresponding to the sealing structure, and the sealing structure can fit into the groove.

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