Current transformer shell convenient to assemble

Abstract

The utility model provides a current transformer shell convenient to assemble. The current transformer shell convenient to assemble comprises a second shell and a first shell, wherein the second shell is arranged corresponding to the first shell; the four movable grooves are formed in the first shell, and the four movable grooves are all formed in the first shell; the four movable blocks are respectively arranged in the four movable grooves in a sliding manner; the four clamping grooves are formed in the four movable blocks correspondingly. The four fixing bolts are arranged on the first shell and the second shell in a sliding mode and correspond to the four movable grooves; and the four clamping blocks are fixedly installed on the four fixing bolts correspondingly, and the four clamping blocks correspond to the four clamping grooves correspondingly. The current transformer shell convenient to assemble has the advantages that the current transformer shell is convenient to disassemble and assemble, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of current transformers, in particular to a current transformer housing which is convenient to assemble. Background Art

[0002] A current transformer is an instrument that converts a large primary current into a small secondary current for measurement based on the principle of electromagnetic induction. A current transformer consists of a closed iron core and a winding. Its primary winding has very few turns and is connected in series in the circuit of the current that needs to be measured.

[0003] The shell of the existing current transformer is usually connected by multiple bolts. This causes a problem that when the current transformer fails and needs to be repaired, the process of disassembling and installing the shell of the transformer is relatively cumbersome, which affects the progress of the repair.

[0004] Therefore, it is necessary to provide a new current transformer housing that is easy to assemble to solve the above technical problems. Utility Model Content

[0005] In order to solve the technical problem that the process of disassembling and installing the shell is complicated and affects the maintenance progress, the utility model provides a current transformer shell that is easy to assemble.

[0006] The current transformer housing that is easy to assemble provided by the utility model comprises: a second housing that is arranged corresponding to the first housing; four movable grooves, the four movable grooves are all opened on the first housing; four movable blocks, the four movable blocks are respectively slidably arranged in the four movable grooves; four clamping grooves, the four clamping grooves are respectively opened on the four movable blocks; four fixing bolts, the four fixing bolts are all slidably arranged on the first housing and the second housing and are arranged corresponding to the four movable grooves; four clamping blocks, the four clamping blocks are respectively fixedly installed on the four fixing bolts, and the four clamping blocks are respectively arranged corresponding to the four clamping grooves; a reset spring, there are a plurality of reset springs, and the plurality of reset springs are respectively fixedly installed in the four movable grooves and fixedly connected to the four movable blocks.

[0007] Preferably, a limiting mechanism is provided on each of the four first shells for fixing the movable block, and the limiting mechanism includes a slide groove, a slider, a guide rod and a limiting spring, the slide groove is opened on the first shell, the slider is fixedly mounted on the movable block, the slider is slidably connected to the slide groove, the guide rod is fixedly mounted in the slide groove, the guide rod is slidably connected to the slider, the limiting spring is sleeved on the guide rod, and the limiting spring is in conflict with the slider.

[0008] Preferably, an operating block is fixedly mounted on the fixing bolt, and an arc-shaped protrusion is provided on the top of the operating block for pulling out the fixing bolt.

[0009] Preferably, a heat dissipation mechanism is provided on the first shell and the second shell, and the heat dissipation mechanism includes two support covers, heat dissipation fins and a fan, the two support covers are fixedly mounted on the first shell and the second shell respectively, the heat dissipation fins are fixedly mounted on the second shell, the heat dissipation fins are slidably connected to the first shell, the fan is fixedly mounted on any of the support covers, and the fan and the heat dissipation fins are arranged correspondingly.

[0010] Preferably, the support cover is provided with an air vent, the air vent is arranged corresponding to the fan, and a filter is fixedly mounted on the air vent.

[0011] Preferably, the second shell is provided with a plurality of protrusions, and the first shell is provided with a groove, and the groove is provided corresponding to the protrusion.

[0012] Preferably, the first shell and the second shell are made of a material with sufficient strength and corrosion resistance.

[0013] Compared with the related art, the conveniently assembled current transformer housing provided by the utility model has the following beneficial effects:

[0014] The utility model provides a current transformer housing that is easy to assemble:

[0015] 1. When the current transformer housing needs to be disassembled, use a tool to push the movable block downward to disengage the card block fixed on the top of the fixing bolt from the card slot, detent the operating block on the other end of the fixing bolt on the second housing, move the fixing bolt outward to disengage the fixing bolt as a whole from the first housing, and remove the fixing bolts at the four corners of the first and second housings;

[0016] 2. After disassembly, bend the first shell and the second shell outwards to disengage the protrusion on the second shell from the groove on the first shell. At this time, the current transformer shell is completely disassembled. When it needs to be installed back, align the first shell with the second shell and insert the fixing bolt. When the card block conflicts with the movable block, press the movable block downward to insert the card block into the card slot;

[0017] 3. The reset spring drives the movable block to be fixed with the clamping block, and the limit mechanism limits and guides the movable block to ensure the movable direction of the movable block and prevent it from being offset. When the current transformer is running, heat is generated. The first shell and the second shell are both released from the heat dissipation fins, and the heat can be transferred to the heat dissipation fins. The fan cools the heat dissipation fins to reduce the temperature of the current transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of a current transformer housing that is easy to assemble provided by the utility model;

[0019] Figure 2 A schematic diagram of a side cross-sectional structure of a preferred embodiment of a current transformer housing that is easy to assemble provided by the utility model;

[0020] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0021] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B shown in FIG.

[0022] Numbers in the figure: 1. first shell; 2. second shell; 3. movable groove; 4. movable block; 5. slot; 6. fixing bolt; 7. block; 8. reset spring; 9. slide groove; 10. slider; 11. guide rod; 12. limit spring; 13. operating block; 14. support cover; 15. heat dissipation fin; 16. fan; 17. air vent; 18. filter; 19. bump. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1-Figure 4 ,in, Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of a current transformer housing that is easy to assemble provided by the utility model; Figure 2 A schematic diagram of a side cross-sectional structure of a preferred embodiment of a current transformer housing that is easy to assemble provided by the utility model; Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG. Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B shown in FIG.

[0025] The current transformer housing convenient for assembly comprises: a second housing 2 arranged corresponding to the first housing 1; four movable grooves 3, the four movable grooves 3 are all opened on the first housing 1; four movable blocks 4, the four movable blocks 4 are respectively slidably arranged in the four movable grooves 3; four clamping grooves 5, the four clamping grooves 5 are respectively opened on the four movable blocks 4; four fixing bolts 6, the four fixing bolts 6 are all slidably arranged on the first housing 1 and the second housing 2 and are arranged corresponding to the four movable grooves 3; four clamping blocks 7, the four clamping blocks 7 are respectively fixedly installed on the four fixing bolts 6, and the four clamping blocks 7 are respectively arranged corresponding to the four clamping grooves 5 ; Reset spring 8, there are multiple reset springs 8, and the multiple reset springs 8 are respectively fixedly installed in the four movable grooves 3 and fixedly connected with the four movable blocks 4. The first shell 1 and the second shell 2 are fixed together by the movable blocks 4 arranged in the movable grooves 3. The fixing bolt 6 passes through the first shell 1 and the second shell 2. The reset spring 8 resets the movable block 4 and plays the role of fixing the card block 7. When the card block 7 on the fixing bolt 6 is engaged with the card slot 5, the fixing bolt 6 is fixed, and then the first shell 1 and the second shell 2 are fixed. Disassembly only requires pressing down the movable block 4 and pulling out the fixing bolt 6, which is conducive to simplifying the disassembly and installation process and improving maintenance efficiency.

[0026] The four first shells 1 are all provided with a limiting mechanism for fixing the movable block 4, the limiting mechanism includes a slide groove 9, a slider 10, a guide rod 11 and a limiting spring 12, the slide groove 9 is opened on the first shell 1, the slider 10 is fixedly installed on the movable block 4, the slider 10 is slidably connected with the slide groove 9, the guide rod 11 is fixedly installed in the slide groove 9, the guide rod 11 is slidably connected with the slider 10, the limiting spring 12 is sleeved on the guide rod 11, and the limiting spring 12 conflicts with the slider 10. Through the setting of the limiting mechanism, the movable block 4 can be limited and guided, the slider 10 fixedly installed on the movable block 4 slides along the slide groove 9, and the guide rod 11 slides through the slider 10, which can prevent the movable block 4 from being displaced, resulting in the difficulty of aligning the slot 5 with the block 7, and the limiting spring 12 can help the movable block 4 to conflict with the block 7, which is beneficial to prevent the block 7 from being separated from the slot 5.

[0027] An operating block 13 is fixedly mounted on the fixing bolt 6, and an arc-shaped protrusion is provided on the top of the operating block 13 for pulling out the fixing bolt 6. The setting of the operating block 13 facilitates the limiting of the fixing bolt 6, and the protruding part on the top of the operating block 13 facilitates the pulling of the operating block 13 outward, which helps to remove the fixing bolt 6 and facilitates the implementation of the disassembly and installation operations.

[0028] The first shell 1 and the second shell 2 are provided with a heat dissipation mechanism, and the heat dissipation mechanism includes two support covers 14, heat dissipation fins 15 and a fan 16. The two support covers 14 are fixedly mounted on the first shell 1 and the second shell 2 respectively, and the heat dissipation fins 15 are fixedly mounted on the second shell 2. The heat dissipation fins 15 are slidably connected to the first shell 1, and the fan 16 is fixedly mounted on any of the support covers 14. The fan 16 and the heat dissipation fins 15 are arranged correspondingly. Through the arrangement of the heat dissipation mechanism, the heat generated by the operation of the current transformer can be dispersed, thereby achieving better and faster cooling. The support cover 14 can prevent the heat dissipation fins 15 from directly contacting the ground, and at the same time facilitate the installation of the fixing frame, so that the current transformer is connected to the equipment. The arrangement of the heat dissipation fins 15 and the fan 16 can achieve rapid cooling and improve the heat dissipation performance of the equipment.

[0029] The support cover 14 is provided with an air vent 17, and the air vent 17 is arranged corresponding to the fan 16. A filter 18 is fixedly installed on the air vent 17. The air vent 17 can make the air under the support cover 14 circulate, which is conducive to faster heat dissipation. The filter 18 can block the entry of impurities to a certain extent.

[0030] The second shell 2 is provided with a protrusion 19, and there are multiple protrusions 19. The first shell 1 is provided with a groove, and the groove is arranged corresponding to the protrusion 19. The first shell 1 and the second shell 2 can be fixed together by the arrangement of the protrusion 19 and the groove, which is conducive to aligning the first shell 1 with the second shell 2 and facilitating the installation of the fixing bolt 6. At the same time, it can increase the sealing of the shell to prevent water vapor, dust and other impurities from entering the interior and affecting the performance and accuracy of the current transformer.

[0031] The first shell 1 and the second shell 2 are made of materials with sufficient strength and corrosion resistance. By using materials with sufficient strength and corrosion resistance, the long-term stable operation of the current transformer can be ensured, which is conducive to extending the service life of the current transformer.

[0032] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0033] The working principle of the current transformer housing that is easy to assemble provided by the utility model is as follows:

[0034] When the current transformer housing needs to be disassembled during use, use a tool to push the movable block 4 downward to disengage the clamping block 7 fixed on the top of the fixing bolt 6 from the clamping slot 5, detent the operating block 13 located on the other end of the fixing bolt 6 on the second housing 2, move the fixing bolt 6 outward, disengage the fixing bolt 6 as a whole from the first housing 1, and remove the fixing bolts 6 at the four corners of the first housing 1 and the second housing 2;

[0035] After removal, bend the first housing 1 and the second housing 2 outwards to disengage the protrusion 19 on the second housing 2 from the groove on the first housing 1. At this time, the current transformer housing is completely disassembled. When it needs to be installed again, align the first housing 1 and the second housing 2 and insert the fixing bolt 6. When the clamping block 7 conflicts with the movable block 4, press the movable block 4 downward to insert the clamping block 7 into the clamping slot 5.

[0036] The reset spring 8 drives the movable block 4 to be fixed with the clamping block 7, and the limit mechanism limits and guides the movable block 4 to ensure the movable direction of the movable block 4 and prevent it from being offset. When the current transformer is running, heat is generated, and the first shell 1 and the second shell 2 are both released from the heat dissipation fins 15, so that the heat can be transferred to the heat dissipation fins 15. The fan 16 cools the heat dissipation fins 15 to reduce the temperature of the current transformer.

[0037] Compared with the related art, the conveniently assembled current transformer housing provided by the utility model has the following beneficial effects:

[0038] The utility model provides a current transformer housing that is easy to assemble. The first housing 1 and the second housing 2 are fixed together by a movable block 4 arranged in a movable groove 3. The fixing bolt 6 passes through the first housing 1 and the second housing 2. The reset spring 8 resets the movable block 4 to play the role of fixing the clamping block 7. When the clamping block 7 on the fixing bolt 6 and the clamping groove 5 are engaged with each other, the fixing bolt 6 is fixed, thereby fixing the first housing 1 and the second housing 2. Disassembly only requires pressing the movable block 4 downward and pulling out the fixing bolt 6, which is conducive to simplifying the disassembly and installation process. , improve maintenance efficiency, through the setting of the limit mechanism, the movable block 4 can be limited and guided, the slider 10 fixedly installed on the movable block 4 slides along the slide groove 9, and the guide rod 11 slides through the slider 10, which can prevent the movable block 4 from being displaced, resulting in the difficulty of aligning the card slot 5 with the card block 7. The limit spring 12 can help the movable block 4 to conflict with the card block 7, which is beneficial to prevent the card block 7 from being separated from the card slot 5. The setting of the operating block 13 is convenient for limiting the fixing bolt 6, and the protruding part on the top of the operating block 13 is convenient for pulling the operating block 13 outward. It is helpful to help remove the fixing bolt 6, and it is convenient to implement the disassembly and installation operations. The heat generated by the operation of the current transformer can be dispersed through the setting of the heat dissipation mechanism, thereby achieving better and faster cooling. The support cover 14 can prevent the heat dissipation fins 15 from directly contacting the ground, and it is convenient to install the fixing frame so that the current transformer is connected to the equipment. The setting of the heat dissipation fins 15 and the fan 16 can achieve rapid cooling and improve the heat dissipation performance of the equipment. The setting of the air vents 17 can make the air circulate in the space under the support cover 14, which is conducive to faster heat dissipation. The filter 18 can block the entry of impurities to a certain extent. The setting of the protrusions 19 and the grooves can fix the first shell 1 and the second shell 2 together, which is conducive to aligning the first shell 1 with the second shell 2, facilitating the installation of the fixing bolt 6, and at the same time can increase the sealing of the shell to prevent water vapor, dust and other impurities from entering the interior and affecting the performance and accuracy of the current transformer. By adopting materials with sufficient strength and corrosion resistance, the long-term stable operation of the current transformer can be guaranteed, which is conducive to extending the service life of the current transformer.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A current transformer housing that is easy to assemble, characterized in that: include: A second housing is arranged corresponding to the first housing; Four movable grooves, wherein the four movable grooves are all provided on the first housing; Four movable blocks, the four movable blocks are slidably arranged in the four movable grooves respectively; Four card slots, the four card slots are respectively opened on the four movable blocks; Four fixing bolts, each of which is slidably disposed on the first shell and the second shell and is disposed corresponding to the four movable grooves; Four card blocks, the four card blocks are fixedly mounted on the four fixing bolts respectively, and the four card blocks are respectively arranged corresponding to the four card slots; There are multiple return springs, and the multiple return springs are respectively fixedly installed in the four movable grooves and fixedly connected to the four movable blocks.

2. The current transformer housing that is easy to assemble according to claim 1, characterized in that: A limiting mechanism is provided on each of the four first shells for fixing the movable block, and the limiting mechanism includes a slide groove, a slider, a guide rod and a limiting spring. The slide groove is opened on the first shell, the slider is fixedly mounted on the movable block, the slider is slidably connected to the slide groove, the guide rod is fixedly mounted in the slide groove, the guide rod is slidably connected to the slider, the limiting spring is sleeved on the guide rod, and the limiting spring conflicts with the slider.

3. The current transformer housing that is easy to assemble according to claim 1, characterized in that: An operating block is fixedly mounted on the fixing bolt, and an arc-shaped protrusion is arranged on the top of the operating block for pulling out the fixing bolt.

4. The current transformer housing that is easy to assemble according to claim 1, characterized in that: The first shell and the second shell are provided with a heat dissipation mechanism, and the heat dissipation mechanism includes two support covers, heat dissipation fins and a fan. The two support covers are fixedly mounted on the first shell and the second shell respectively, the heat dissipation fins are fixedly mounted on the second shell, the heat dissipation fins are slidably connected to the first shell, the fan is fixedly mounted on any of the support covers, and the fan and the heat dissipation fins are arranged correspondingly.

5. The current transformer housing that is easy to assemble according to claim 4, characterized in that: The support cover is provided with an air vent, the air vent is arranged corresponding to the fan, and a filter is fixedly mounted on the air vent.

6. The current transformer housing that is easy to assemble according to claim 1, characterized in that: The second shell is provided with a plurality of protrusions, and the first shell is provided with a groove, which is provided corresponding to the protrusions.

7. The current transformer housing that is easy to assemble according to claim 1, characterized in that: The first shell and the second shell are made of materials with sufficient strength and corrosion resistance.

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