Framework structure of current sensor

Abstract

The utility model belongs to the technical field of current sensors, and particularly relates to a current sensor framework structure which comprises a rectangular framework used for installing a magnetic core, a framework cover plate is installed on the upper surface of the rectangular framework, and a heat dissipation mechanism is arranged in the rectangular framework. And a positioning insertion mechanism is arranged between the framework cover plate and the rectangular framework. According to the framework structure of the current sensor, heat circulates in the rectangular heat dissipation pipe through the ventilation holes, circulating gas is filtered through the filter element and then discharged to the outside of the rectangular framework through the right-angle communicating pipe, so that electronic elements in the rectangular framework are prevented from being excessively in contact with the external environment to be influenced; and meanwhile, heat dissipation of the interior of the rectangular framework is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to current sensor technical field especially relates to a current sensor framework structure. BACKGROUND

[0002] Current sensors play an important role in modern power and electronic systems, and are widely used in motor drive, energy management, smart grid and other fields. With the increasing demand for current sensors, their performance requirements are also increasing.

[0003] The Chinese patent with the authorization announcement number CN221039216U discloses a closed-loop Hall current sensor rectangular framework structure, which comprises a rectangular framework base and a framework cover plate connected to the upper side of the rectangular framework base, a magnetic core groove is formed around the connection between the rectangular framework base and the framework cover plate, a magnetic core is installed in the magnetic core groove, a positioning groove is arranged on the side wall of the magnetic core groove, a positioning column is arranged on the side wall of the magnetic core and is clamped in the positioning groove, a position corresponding notch one and notch two are arranged on the magnetic core and the framework cover plate respectively, a baffle connected with the rectangular framework base is arranged at the notch one and the notch two, a Hall installation interface is arranged below the baffle, and the magnetic core is prevented from shaking in the magnetic core groove through the cooperation of the positioning groove and the positioning column.

[0004] However, in the above technical solution, the heat dissipation effect inside the rectangular framework base is poor, so that the electronic components are in a high temperature environment during operation, which affects their service life, and the cooperation of the positioning column and the positioning groove is connected in a magnetic connection mode, which further affects the magnetic field of the electronic sensor and causes operation failure. Therefore, the present utility model is proposed to solve the above technical problems. UTILITY MODEL CONTENT

[0005] Based on the above technical problems, the utility model provides a current sensor framework structure.

[0006] The utility model provides a current sensor framework structure, which comprises a rectangular framework for installing a magnetic core, a framework cover plate is installed on the upper surface of the rectangular framework, a heat dissipation mechanism is arranged in the rectangular framework, and a positioning plug-in mechanism is arranged between the framework cover plate and the rectangular framework.

[0007] The heat dissipation mechanism comprises a rectangular heat dissipation pipe, and the rectangular heat dissipation pipe circulates the gas in the rectangular framework.

[0008] The positioning plug-in mechanism comprises a press-type lock, and the press-type lock is pressed to accurately cover the rectangular framework with the framework cover plate.

[0009] Preferably, the heat dissipation mechanism further comprises heat dissipation fins fixedly connected to the inner bottom wall of the rectangular frame, and the rectangular heat dissipation pipe wraps the heat dissipation fins.

[0010] Through the above technical scheme, the current sensor generates heat when working, which affects the use effect of the sensor. In order to improve the heat dissipation efficiency of the current sensor, the magnetic core is installed on the upper surface of the heat dissipation fin, heat dissipation is realized through the characteristics of the heat dissipation fin, and the generated heat flows into the inside of the rectangular heat dissipation pipe to realize the circulation of the gas inside the rectangular frame, thereby improving the heat dissipation efficiency.

[0011] Preferably, the heat dissipation mechanism further comprises ventilation holes arranged in an array on the surface of the rectangular heat dissipation pipe, and straight-angle communication pipes are fixedly communicated at four corner points of the rectangular heat dissipation pipe, and free ends of the straight-angle communication pipes extend to the outer surface of the rectangular frame.

[0012] Through the above technical scheme, in order to realize the circulation of the gas, the rectangular heat dissipation pipe is communicated with the external environment through the straight-angle communication pipe, heat circulates and flows in the rectangular heat dissipation pipe through the ventilation holes, and then is discharged to the outside of the rectangular frame through the straight-angle communication pipe.

[0013] Preferably, the heat dissipation mechanism further comprises a filter element placed inside the straight-angle communication pipe and the rectangular heat dissipation pipe, and a filter cover is threadedly sleeved on the outer surface of the straight-angle communication pipe.

[0014] Through the above technical scheme, in order to filter the circulating gas to avoid affecting the service life of the magnetic core or polluting the external environment, the filter element is used to filter the circulating gas.

[0015] Preferably, the positioning plug-in mechanism further comprises positioning blocks fixedly connected to the inner side walls of the rectangular frame in a symmetrical distribution, the inside of the positioning block is provided with a dovetail groove, the lower surface of the frame cover plate is fixedly connected with dovetail blocks in a symmetrical distribution, and the outer surface of the dovetail block is slidably plugged with the inner wall of the dovetail groove.

[0016] Through the above technical scheme, in order to position and connect the frame cover plate to the upper surface of the rectangular frame to realize sealing, when the frame cover plate is plugged downward, the positioning and sealing of the frame cover plate are realized by plugging the dovetail block into the dovetail groove, and the loosening of the sealing cover plate can be prevented in the later period.

[0017] Preferably, one end surface of the dovetail block is provided with a mounting cavity, a press-type lock is fixedly installed in the inside of the mounting cavity, the press-type lock is composed of a main frame with a cavity, a movable clamping jaw, an action spring and an action lever, a clamping block is fixedly connected to the inner wall of the dovetail groove, and the outer surface of the clamping block is slidably connected with the surface of the movable clamping jaw in the press-type lock.

[0018] Through the technical scheme, in order to improve the stability of the skeleton cover plate and the rectangular skeleton, after the dovetail block is pressed to the dovetail groove, the movable clamping jaw of the press type lock catches the clamping block in the dovetail groove through the pressing mode, so that the skeleton cover plate and the rectangular skeleton are tightly connected, and when the skeleton cover plate is separated, the movable clamping jaw releases the clamping of the clamping block by pressing the skeleton cover plate again, the model of the press type lock is DL-900, and the material is PA66.

[0019] Preferably, the upper end inner wall of the rectangular skeleton is fixedly connected with the connecting plates which are symmetrically distributed, and the upper surface of the skeleton cover plate is symmetrically and threadedly connected with the fixing bolts.

[0020] Through the technical scheme, in order to ensure the reliability of the skeleton cover plate connection, after the positioning plug-in mechanism connects the rectangular skeleton and the skeleton cover plate, the two are fixed through the fixing bolts, so as to avoid that the positioning plug-in mechanism is loosened due to later collision.

[0021] The beneficial effects of the utility model are as follows:

[0022] 1. The heat dissipation mechanism is arranged, the heat dissipation efficiency inside the rectangular skeleton is improved, in the adjusting process, heat circulates in the rectangular heat dissipation pipe through the ventilation hole, the circulating gas is filtered through the filter element and is discharged to the outside of the rectangular skeleton through the right-angle communication pipe, so that not only the internal electronic elements of the rectangular skeleton are prevented from being affected by the external environment due to excessive contact with the external environment, but also the heat dissipation inside the rectangular skeleton is realized.

[0023] 2. The positioning plug-in mechanism is arranged, the skeleton cover plate and the rectangular skeleton are positioned and connected, in the adjusting process, the positioning and sealing of the skeleton cover plate are realized by inserting the dovetail block into the dovetail groove, and the sealing cover plate can be prevented from loosening in the later period, after the dovetail block is pressed to the dovetail groove, the movable clamping jaw of the press type lock catches the clamping block in the dovetail groove through the pressing mode, so that the skeleton cover plate and the rectangular skeleton are tightly connected, and the loosening of the skeleton cover plate and the rectangular skeleton is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A schematic view of a current sensor skeleton structure is provided for the utility model;

[0025] Figure 2 A connecting plate structure perspective view of a current sensor skeleton structure is provided for the utility model;

[0026] Figure 3 A heat dissipation fin structure perspective view of a current sensor skeleton structure is provided for the utility model;

[0027] Figure 4A rectangular heat dissipation pipe structure perspective view of a current sensor framework structure is provided in the utility model.

[0028] Figure 5 A dovetail groove structure perspective view of a current sensor framework structure is provided in the utility model.

[0029] Figure 6 An installation cavity structure perspective view of a current sensor framework structure is provided in the utility model.

[0030] Figure 7 A pressing type lock catch structure parts drawing of a current sensor framework structure is provided in the utility model.

[0031] In the drawing: 1, rectangular framework; 2, framework cover plate; 3, rectangular heat dissipation pipe; 4, pressing type lock catch; 5, heat dissipation fin; 6, ventilation hole; 7, right-angle communication pipe; 8, filter core; 9, filter cover; 10, positioning block; 11, dovetail groove; 12, dovetail block; 13, installation cavity; 14, clamping block; 15, connecting plate; 16, fixing bolt. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0033] Referring to Figures 1-7 A current sensor framework structure includes a rectangular framework 1 for installing a magnetic core, a framework cover plate 2 is installed on the upper surface of the rectangular framework 1, a heat dissipation mechanism is arranged in the rectangular framework 1, and a positioning plug-in mechanism is arranged between the framework cover plate 2 and the rectangular framework 1.

[0034] The heat dissipation mechanism includes a rectangular heat dissipation pipe 3, and the rectangular heat dissipation pipe 3 circulates the gas in the rectangular framework 1.

[0035] The current sensor generates heat when working and affects the use effect of the sensor. In order to improve the heat dissipation efficiency of the current sensor, the heat dissipation mechanism further includes heat dissipation fins 5 fixedly connected to the inner bottom wall of the rectangular framework 1, the rectangular heat dissipation pipe 3 wraps the heat dissipation fins 5, the magnetic core is installed on the upper surface of the heat dissipation fins 5, heat dissipation is realized through the characteristics of the heat dissipation fins 5, and the generated heat circulates to the inside of the rectangular heat dissipation pipe 3 to realize the circulation of the gas in the rectangular framework 1, so as to improve the heat dissipation efficiency.

[0036] In order to realize the circulation of the gas, the heat dissipation mechanism further comprises the ventilation holes 6 arranged in the path array on the surface of the rectangular heat dissipation pipe 3, and the four corner points of the rectangular heat dissipation pipe 3 are fixedly connected with the right-angle communication pipes 7, the free ends of the right-angle communication pipes 7 extend to the outer surface of the rectangular framework 1, the rectangular heat dissipation pipe 3 is communicated with the external environment through the right-angle communication pipes 7, and then the heat is circulated and circulated in the rectangular heat dissipation pipe 3 through the ventilation holes 6, and then is discharged to the outside of the rectangular framework 1 through the right-angle communication pipes 7.

[0037] In order to filter the circulating gas to avoid affecting the service life of the magnetic core or polluting the external environment, the heat dissipation mechanism further comprises the filter core 8 arranged in the right-angle communication pipe 7 and the rectangular heat dissipation pipe 3, and the outer surface of the right-angle communication pipe 7 is threadedly sleeved with the filter cover 9, and the circulating gas is filtered through the filter core 8.

[0038] By arranging the heat dissipation mechanism, the heat dissipation efficiency in the rectangular framework 1 can be improved. In the adjusting process, the heat is circulated and circulated in the rectangular heat dissipation pipe 3 through the ventilation holes 6, and then is discharged to the outside of the rectangular framework 1 through the right-angle communication pipes 7 after being filtered by the filter core 8, so that not only the electronic elements in the rectangular framework 1 are prevented from being affected by excessive contact with the external environment, but also the heat dissipation in the rectangular framework 1 is realized.

[0039] The positioning plug-in mechanism comprises the press-type lock 4, and the press-type lock 4 is accurately covered with the rectangular framework 1 through the pressing action.

[0040] In order to position and connect the framework cover plate 2 on the upper surface of the rectangular framework 1 to realize sealing, the positioning plug-in mechanism further comprises the positioning blocks 10 symmetrically fixedly connected to the inner side walls of the rectangular framework 1, the inside of the positioning block 10 is provided with the dovetail groove 11, the lower surface of the framework cover plate 2 is symmetrically fixedly connected with the dovetail block 12, the outer surface of the dovetail block 12 is slidably plugged with the inner wall of the dovetail groove 11, when the framework cover plate 2 is plugged downward, the positioning and sealing of the framework cover plate 2 are realized by plugging the dovetail block 12 into the dovetail groove 11, and the sealing cover plate can be prevented from loosening in the later period.

[0041] In order to improve the stability of the skeleton cover plate 2 and the rectangular skeleton 1, one end surface of the dovetail block 12 is provided with a mounting cavity 13, and the press type lock 4 is fixedly installed in the mounting cavity 13. The press type lock 4 is composed of a main frame with a cavity, a movable clamp jaw, an action spring and an action lever. The inner wall of the dovetail groove 11 is fixedly connected with the clamping block 14. The outer surface of the clamping block 14 is slidably connected with the surface of the movable clamp jaw in the press type lock 4. After the dovetail block 12 is pressed towards the dovetail groove 11, the movable clamp jaw of the press type lock 4 tightly holds the clamping block 14 in the dovetail groove 11 by pressing, so that the skeleton cover plate 2 and the rectangular skeleton 1 are tightly connected. When the skeleton cover plate 2 is separated, the movable clamp jaw releases the holding of the clamping block 14 by pressing the skeleton cover plate 2 again. The model of the press type lock 4 is DL-900, and the material is PA66.

[0042] In order to ensure the reliability of the skeleton cover plate 2, the upper end inner wall of the rectangular skeleton 1 is fixedly connected with the symmetrically distributed connecting plates 15. The upper surface of the skeleton cover plate 2 is symmetrically distributed with the fixed bolts 16. After the positioning plug-in mechanism connects the rectangular skeleton 1 and the skeleton cover plate 2, the two are fixed by the fixed bolts 16, so as to avoid the loosening of the positioning plug-in mechanism due to the later collision.

[0043] By setting the positioning plug-in mechanism, the skeleton cover plate 2 and the rectangular skeleton 1 are positioned and connected. In the adjusting process, the positioning and sealing of the skeleton cover plate 2 are realized by inserting the dovetail block 12 into the dovetail groove 11. The dovetail block 12 is pressed towards the dovetail groove 11, and the movable clamp jaw of the press type lock 4 tightly holds the clamping block 14 in the dovetail groove 11 by pressing, so that the skeleton cover plate 2 and the rectangular skeleton 1 are tightly connected, thereby preventing the loosening of the skeleton cover plate 2 and the rectangular skeleton 1.

[0044] Working principle: in the specific embodiment of the utility model, the dovetail block 12 on the skeleton cover plate 2 is inserted into the dovetail groove 11 of the corresponding positioning block 10, and is inserted downwards until the movable clamp jaw of the press type lock 4 tightly holds the clamping block 14 in the dovetail groove 11, so that the skeleton cover plate 2 and the rectangular skeleton 1 are tightly connected.

[0045] After the positioning plug-in mechanism connects the rectangular skeleton 1 and the skeleton cover plate 2, the two are fixed by the fixed bolts 16, so as to avoid the loosening of the positioning plug-in mechanism due to the later collision.

[0046] Then the heat generated by the electronic elements in the rectangular skeleton 1 during work is transferred and dissipated through the heat dissipation fins 5. The heat circulates in the rectangular heat dissipation pipe 3 through the ventilation holes 6, and is filtered by the filter element 8 and then discharged to the outside of the rectangular skeleton 1 through the right-angle communication pipe 7.

[0047] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A current sensor frame structure, comprising a rectangular frame (1) for mounting a magnetic core, characterized in that: The upper surface of the rectangular frame (1) is fitted with a frame cover plate (2), the interior of the rectangular frame (1) is provided with a heat dissipation mechanism, and a positioning and insertion mechanism is provided between the frame cover plate (2) and the rectangular frame (1). The heat dissipation mechanism includes a rectangular heat dissipation pipe (3), which allows gas to circulate inside the rectangular frame (1). The positioning and insertion mechanism includes a press-type latch (4), which, through a pressing action, causes the skeleton cover plate (2) to accurately cover the rectangular skeleton (1).

2. The current sensor frame structure according to claim 1, characterized in that: The heat dissipation mechanism also includes heat dissipation fins (5) fixedly connected to the bottom wall of the rectangular frame (1), and the rectangular heat dissipation pipe (3) wraps the heat dissipation fins (5).

3. The current sensor frame structure according to claim 2, characterized in that: The heat dissipation mechanism also includes ventilation holes (6) formed by a path array on the surface of the rectangular heat dissipation pipe (3), and right-angle connecting pipes (7) are fixedly connected at the four corners of the rectangular heat dissipation pipe (3), with the free end of the right-angle connecting pipe (7) extending to the outer surface of the rectangular frame (1).

4. The current sensor frame structure according to claim 3, characterized in that: The heat dissipation mechanism also includes a filter core (8) placed inside the right-angle connecting pipe (7) and the rectangular heat dissipation pipe (3), and a filter cover (9) is threaded onto the outer surface of the right-angle connecting pipe (7).

5. The current sensor frame structure according to claim 4, characterized in that: The positioning and insertion mechanism also includes positioning blocks (10) that are symmetrically distributed and fixedly connected to the inner sidewall of the rectangular frame (1). The positioning blocks (10) have dovetail grooves (11) inside. The lower surface of the frame cover plate (2) is symmetrically distributed and fixedly connected to dovetail blocks (12). The outer surface of the dovetail blocks (12) is slidably inserted into the inner wall of the dovetail grooves (11).

6. The current sensor frame structure according to claim 5, characterized in that: The dovetail block (12) has an installation cavity (13) on one end surface. The push-type latch (4) is fixedly installed inside the installation cavity (13). The push-type latch (4) consists of a main frame with a cavity, a movable claw, an action spring, and an action rod. The inner wall of the dovetail groove (11) is fixedly connected to a locking block (14). The outer surface of the locking block (14) slides and engages with the surface of the movable claw inside the push-type latch (4).

7. The current sensor frame structure according to claim 6, characterized in that: The upper inner wall of the rectangular frame (1) is fixedly connected with symmetrically distributed connecting plates (15), and the upper surface of the frame cover plate (2) is symmetrically connected with threaded fixing bolts (16).

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