Electromagnetic transformer

Abstract

The utility model relates to the technical field of electromagnetic transformers, in particular to an electromagnetic transformer which comprises an upper shell and a lower shell, flanges are fixedly connected to the lower end of the upper shell and the upper end of the lower shell, the two flanges are in butt joint, a sealing gasket is connected between the lower end of the upper shell and the upper end of the lower shell in a clamped mode, and a base is connected to the lower end of the lower shell in a sealed and inserted mode. The side walls of the upper shell and the lower shell are sleeved with heat dissipation assemblies, the outer side walls of the upper shell and the lower shell are tightly attached to the inner walls of the heat dissipation assemblies, the two heat dissipation assemblies abut against the flange, a connecting rod is inserted between the two heat dissipation assemblies and penetrates through the flange, and the lower end of the connecting rod is in threaded connection with the upper end of the base. The shell of the mutual inductor is split, then the base is installed in a matched mode, the heat dissipation assemblies are conveniently installed outside the mutual inductor, the two heat dissipation assemblies, the upper shell, the lower shell and the base are connected through the connecting rods, the outer walls are tightly attached to and fixed to the heat dissipation assemblies, the two heat dissipation assemblies absorb heat of the shell of the mutual inductor and dissipate the heat, and the heat dissipation efficiency is improved; therefore, the heat dissipation efficiency of the mutual inductor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electromagnetic mutual inductor, concretely is a kind of electromagnetic mutual inductor. BACKGROUND

[0002] The function of electromagnetic mutual inductor is to transform high voltage or large current into standard low voltage or standard small current in proportion, so as to realize the standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment.

[0003] The existing electromagnetic mutual inductor, for example, the electromagnetic voltage transformer in patent application number "CN202221096470.9", includes bottom shell, iron core and adapter seat and the like structure, and the whole can be divided into three parts of bottom shell, partition and upper shell, the connection of partition two sides and bottom shell and upper shell is provided with closed loop sealing rubber ring, to ensure that the inside can maintain good sealing effect with the outside after assembly is completed, and the partition cooperates with the iron core and the first insulating sleeve and the second insulating sleeve to form a whole structure, which improves the convenience when the whole is disassembled.

[0004] However, the prior art has defects, the mutual inductor utilizes the shell natural heat dissipation, and the heat dissipation effect is poor, the efficiency is low, so that after the mutual inductor operates for a certain period of time, the heat in the shell increases, which is easy to cause overheating damage to the internal parts, therefore, an electromagnetic mutual inductor is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an electromagnetic mutual inductor to solve the problems in the above background technology.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] An electromagnetic mutual inductor, comprising an upper shell and a lower shell, the lower end of the upper shell is fixedly connected with a flange, the upper end of the lower shell is fixedly connected with a flange, the lower end of the upper shell is clamped with a sealing gasket between the upper end of the lower shell, the lower end of the lower shell is sealingly inserted with a base, the side walls of the upper shell and the lower shell are both sleeved with a heat dissipation assembly, the outer side walls of the upper shell and the lower shell are both tightly attached to the inner walls of the heat dissipation assembly, the two groups of heat dissipation assemblies are both abutted with the flanges, a connecting rod is inserted between the two groups of heat dissipation assemblies, the connecting rod penetrates the flange, and the lower end of the connecting rod is threadedly connected with the upper end of the base.

[0008] Preferably, the heat dissipation assembly comprises a heat dissipation ring, two groups of heat dissipation rings are respectively sleeved on the outer walls of the upper shell and the lower shell, the inner walls of the two groups of heat dissipation rings are both fixedly connected with a heat conduction block, the end portions of the two groups of heat conduction blocks are both fixedly connected with a heat conduction plate, the two groups of heat conduction plates are respectively tightly attached to the outer walls of the upper shell and the lower shell, and the outer wall of the heat dissipation ring is fixedly connected with a plurality of heat dissipation fins.

[0009] Preferably, the cross-sectional area of the heat conduction plate is larger than that of the heat conduction block, the lower end of the heat conduction plate located above is abutted with the flange of the upper shell, and the upper end of the heat conduction plate located below is abutted with the flange of the lower shell.

[0010] Preferably, the lower end of the lower heat-conducting block is fixedly connected with a support plate, the support plate is provided in the shape of "L", and the lower end of the support plate is in supporting cooperation with the upper end of the base.

[0011] Preferably, the two sides of the heat-conducting block are fixedly connected with connecting rings, a connecting rod penetrates the connecting rings in the same vertical line, the connecting rings and the flanges are in rotary cooperation with the connecting rod, and the upper end of the connecting rod is in extrusion cooperation with the upper connecting ring.

[0012] Preferably, the upper end of the base is fixedly connected with a socket, the lower end of the lower shell is in plug-in cooperation with the socket, the side wall of the socket is clamped with a sealing ring, and the inner wall of the lower shell is in extrusion cooperation with the sealing ring.

[0013] The utility model discloses a heat dissipation component of mutual inductor has improved the heat dissipation efficiency of mutual inductor.

[0014] The utility model discloses a heat dissipation component of mutual inductor has improved the heat dissipation efficiency of mutual inductor. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduces, obviously, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, also can obtain other drawings according to these drawings;

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the section structure schematic diagram of the utility model;

[0018] Figure 3 It is the heat dissipation component structure schematic diagram of the utility model;

[0019] Figure 4 It is the connecting rod plug-in structure schematic diagram of the utility model;

[0020] The reference signs in the drawing are as follows:

[0021] 1, base;2, upper shell;3, lower shell;4, socket;5, sealing ring;6, flange;7, sealing gasket;8, heat-conducting plate;9, heat-conducting block;10, heat dissipation ring;11, connecting ring;12, heat dissipation fin;13, connecting rod;15, support plate. DETAILED DESCRIPTION

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] An electromagnetic transformer, such as Figures 1-4 As shown, the device includes an upper shell 2 and a lower shell 3. Flanges 6 are fixedly connected to the lower end of the upper shell 2 and the upper end of the lower shell 3. The two sets of flanges 6 are mated together. A sealing gasket 7 is snapped between the lower end of the upper shell 2 and the upper end of the lower shell 3. A base 1 is inserted into the lower end of the lower shell 3. Heat dissipation components are sleeved on the side walls of both the upper shell 2 and the lower shell 3. The outer side walls of the upper shell 2 and the lower shell 3 are tightly attached to the inner wall of the heat dissipation components. Both sets of heat dissipation components abut against the flanges 6. A connecting rod 13 is inserted between the two sets of heat dissipation components. The connecting rod 13 passes through the flanges 6, and the lower end of the connecting rod 13 is threadedly connected to the upper end of the base 1.

[0024] The connecting rod 13 is inserted from top to bottom, sequentially connecting to the heat dissipation component located above, the flange 6 of the upper shell 2, the flange 6 of the lower shell 3, and the heat dissipation component located below. After insertion, it is rotated (the insertion hole and the cross-section of the connecting rod 13 are both circular, allowing insertion and rotation) so that the bottom is threadedly connected to the upper end of the base 1 until the bottom of the connecting rod 13 can no longer penetrate the base 1, thereby securing the two sets of heat dissipation components, the upper shell 2, the lower shell 3, and the base 1. One set of heat dissipation components is fitted from above the upper shell 2, and the other set is fitted from below the lower shell 3. After fitting, the base 1 is installed, and both sets are fitted until they abut against the flange 6. With the help of the connecting rod 13, the position is fixed so that the flange 6 of the upper shell 2 and the lower shell 3 do not require additional bolts.

[0025] By dividing the transformer housing into an upper shell 2 and a lower shell 3, and then installing it with a base 1, the non-integrated structure facilitates the inspection and maintenance of the internal structure of the housing, and also facilitates the installation of heat dissipation components on the outside of the transformer. The connecting rod 13 connects the two sets of heat dissipation components, the upper shell 2, the lower shell 3 and the base 1 in series, so that the inside of the transformer is sealed and the outer wall is tightly fixed to the heat dissipation components. The structure is firm and not easy to separate. The two sets of heat dissipation components absorb the heat of the transformer housing and dissipate it, improving the heat dissipation efficiency, thereby improving the heat dissipation efficiency of the transformer.

[0026] like Figures 1-4 As shown, the heat dissipation assembly includes heat dissipation rings 10, two sets of heat dissipation rings 10 are respectively sleeved on the outer walls of the upper shell 2 and the lower shell 3, and heat-conducting blocks 9 are fixedly connected to the inner walls of the two sets of heat dissipation rings 10. Heat-conducting plates 8 are fixedly connected to the ends of the two sets of heat-conducting blocks 9. The two sets of heat-conducting plates 8 are respectively in close contact with the outer walls of the upper shell 2 and the lower shell 3. Multiple sets of heat dissipation fins 12 are fixedly connected to the outer walls of the heat dissipation rings 10.

[0027] The heat dissipation ring 10 is arranged outside the transformer housing, the heat conducting block 9 and the heat conducting plate 8 have good heat conduction capacity, the heat of the transformer housing is conducted to the heat dissipation ring 10, the heat dissipation ring 10 dissipates heat through the plurality of heat dissipation fins 12 on the surface, the heat of the transformer housing can be transmitted out, the heat dissipation area is increased, and the heat dissipation efficiency of the transformer is improved.

[0028] As shown in Figures 2-4 , the cross-sectional area of the heat conducting plate 8 is greater than that of the heat conducting block 9, the lower end of the upper heat conducting plate 8 abuts against the flange 6 of the upper shell 2, and the upper end of the lower heat conducting plate 8 abuts against the flange 6 of the lower shell 3.

[0029] The heat conducting plate 8 is in close contact with the outer wall of the upper shell 2 or the lower shell 3, the heat conducting plate 8 conducts the heat of the upper shell 2 and the lower shell 3 in a large area, and the heat is transmitted to the heat dissipation ring 10 through the heat conducting block 9, the upper heat conducting plate 8 cannot move downward, and the lower heat conducting plate 8 cannot move upward, and the connecting rod 13 is matched, the upper end of the connecting rod 13 is pressed against the upper heat conducting plate 8, so that the upper heat conducting plate 8 cannot move up and down and is fixed in position.

[0030] As shown in Figure 1 , Figure 2 , Figure 4 , the lower end of the lower heat conducting block 9 is fixedly connected with a supporting plate 15, the supporting plate 15 is provided in the shape of an “L” type, and the lower end of the supporting plate 15 is supported and matched with the upper end of the base 1.

[0031] The supporting plate 15 supports the lower heat dissipation assembly, avoids the lower heat dissipation assembly from moving downward, and is limited by the flange 6, so that the two sets of heat dissipation assemblies are positioned.

[0032] As shown in Figures 1-4 , the heat conducting block 9 is fixedly connected with a connecting ring 11 on both sides, the connecting rod 13 penetrates the connecting ring 11 on the same vertical line, the connecting ring 11 and the flange 6 are rotationally matched with the connecting rod 13, and the upper end of the connecting rod 13 is extrusionally matched with the upper connecting ring 11.

[0033] The connecting rod 13 is inserted and installed through the connecting ring 11, the connecting ring 11 is coaxial with the flange 6 hole, the connecting rod 13 is conveniently connected in series with multiple structures, and the heat dissipation assembly cannot be separated from the transformer housing.

[0034] As shown in Figure 2 , the upper end of the base 1 is fixedly connected with a socket 4, the lower end of the lower shell 3 is insertedly matched with the socket 4, a sealing ring 5 is clamped on the side wall of the socket 4, and the inner wall of the lower shell 3 is extrusionally matched with the sealing ring 5.

[0035] The lower shell 3 is insertedly matched with the socket 4, the sealing ring 5 and the connecting rod 13 are matched, and the lower shell 3 and the base 1 are tightly fastened and sealed.

[0036] The working principle of the electromagnetic transformer provided by the utility model is as follows:

[0037] By the shell of the transformer is divided into upper shell 2 and lower shell 3, and is installed with the base 1, the non-integrated structure, the structure inside the shell is convenient to overhaul, and the heat dissipation assembly is installed on the outside of the transformer, the connecting rod 13 is connected with two groups of heat dissipation assemblies, the upper shell 2, the lower shell 3 and the base 1, so that the inside of the transformer is sealed, the outer wall is closely fixed with the heat dissipation assembly, the structure is fastened and not easy to separate, two groups of heat dissipation assemblies absorb the heat of the transformer shell and dissipate, improve the heat dissipation efficiency, thereby improve the heat dissipation efficiency of the transformer.

[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An electromagnetic transformer, comprising an upper shell (2) and a lower shell (3), characterized in that, The lower end of the upper shell (2) and the upper end of the lower shell (3) are both fixedly connected with flanges (6). The two sets of flanges (6) are connected together. A sealing gasket (7) is snapped between the lower end of the upper shell (2) and the upper end of the lower shell (3). A base (1) is sealed and inserted into the lower end of the lower shell (3). Heat dissipation components are sleeved on the side walls of the upper shell (2) and the lower shell (3). The outer side walls of the upper shell (2) and the lower shell (3) are tightly attached to the inner wall of the heat dissipation components. The two sets of heat dissipation components abut against the flanges (6). A connecting rod (13) is inserted between the two sets of heat dissipation components. The connecting rod (13) passes through the flange (6), and the lower end of the connecting rod (13) is threadedly connected to the upper end of the base (1).

2. An electromagnetic transformer according to claim 1, characterized in that, The heat dissipation assembly includes heat dissipation rings (10), two sets of heat dissipation rings (10) are respectively sleeved on the outer walls of the upper shell (2) and the lower shell (3), and heat-conducting blocks (9) are fixed to the inner walls of the two sets of heat dissipation rings (10). Heat-conducting plates (8) are fixed to the ends of the two sets of heat-conducting blocks (9). The two sets of heat-conducting plates (8) are respectively in close contact with the outer walls of the upper shell (2) and the lower shell (3). Multiple sets of heat dissipation fins (12) are fixed to the outer walls of the heat dissipation rings (10).

3. An electromagnetic transformer according to claim 2, characterized in that, The heat-conducting plate (8) has a larger cross-sectional area than the heat-conducting block (9). The lower end of the upper heat-conducting plate (8) abuts against the flange (6) of the upper shell (2), and the upper end of the lower heat-conducting plate (8) abuts against the flange (6) of the lower shell (3).

4. An electromagnetic transformer according to claim 3, characterized in that, The lower end of the heat-conducting block (9) located below is fixed with a support plate (15). The support plate (15) is shaped like an "L" and the lower end of the support plate (15) is supported and cooperated with the upper end of the base (1).

5. An electromagnetic transformer according to claim 3, characterized in that, The heat-conducting block (9) has connecting rings (11) fixed on both sides. The connecting rod (13) passes through the connecting ring (11) which is on the same vertical line. The connecting ring (11) and the flange (6) are rotatably engaged with the connecting rod (13). The upper end of the connecting rod (13) is pressed into the connecting ring (11) located above.

6. An electromagnetic transformer according to claim 1, characterized in that, The upper end of the base (1) is fixedly connected to a socket (4), the lower end of the lower shell (3) is fitted and inserted into the socket (4), a sealing ring (5) is snapped into the side wall of the socket (4), and the inner wall of the lower shell (3) is pressed and fitted with the sealing ring (5).

Images