High-sealing-performance voltage transformer
By introducing heat dissipation components, dustproof components, and buffer components into the voltage transformer, the problem of temperature rise caused by heat dissipation difficulties in high-sealing voltage transformers is solved, ensuring sealing performance and stability, and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING JIANGBEI AUTOMATION TECH
- Filing Date
- 2025-03-03
- Publication Date
- 2026-04-28
AI Technical Summary
When heat dissipation is difficult, the internal temperature of a high-sealing voltage transformer rises, causing the insulation material to degrade and affecting its service life and performance. Existing heat dissipation devices can damage the sealing structure, allowing dust and moisture to enter.
A high-sealing voltage transformer was designed, comprising a heat dissipation component, a dustproof component, a buffer component, and a quick-release component. It maintains its sealing performance through fan cooling, dust filter cleaning, and vibration absorption. Meanwhile, an insulating sleeve and rubber pads are provided to prevent leakage and vibration.
It achieves effective heat dissipation while maintaining high sealing performance, prevents dust from entering, extends the service life of the current transformer, improves performance stability, and avoids performance degradation caused by reduced sealing performance.
Smart Images

Figure CN224177181U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power system technology, specifically to a high-sealing voltage transformer. Background Technology
[0002] With the continuous development of power systems, voltage levels are constantly increasing, and the scale of power grids is expanding, placing higher demands on the performance and reliability of power equipment. Voltage transformers, as crucial measurement and protection devices in power systems, need to possess higher accuracy, stability, and security to ensure the normal operation of the power system and the accuracy of power metering.
[0003] The high sealing requirements make heat dissipation difficult inside the instrument transformer. After prolonged operation, the internal temperature rises, potentially leading to a decline in the performance of the insulation material, accelerated aging, and impacting the transformer's lifespan and performance. Existing technologies require drilling or opening holes in the transformer's casing or other parts to install cooling fans, heat sinks, or create heat dissipation channels. These operations may damage the original sealing structure, reducing sealing performance and allowing external dust, moisture, and other impurities to easily enter the transformer. Therefore, we propose a high-sealing voltage transformer. Utility Model Content
[0004] The purpose of this invention is to provide a high-sealing voltage transformer to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-sealing voltage transformer, comprising:
[0006] The lower housing and the upper housing located on top of the lower housing;
[0007] A heat dissipation assembly is located on the top of the upper housing. The heat dissipation assembly includes a fan disposed on the top of the upper housing. A heat dissipation vent is provided on the side of the top of the upper housing near the fan, and the fan is located inside the heat dissipation vent.
[0008] A dustproof assembly is placed on the top of the upper housing. The dustproof assembly includes a dustproof net disposed on the top of the upper housing. The dustproof net is located on the top of the fan. Slide rails are provided on both sides of the top of the upper housing near the dustproof net. The slide rails are connected to the top of the upper housing by connecting parts. A slider is slidably connected in the slide rail. A brush plate is connected to the slider. A handle is provided on the top of the brush plate.
[0009] Furthermore, collection components are provided on both sides of the top of the upper housing near the dustproof net. The collection components include collection boxes, and a slot is provided on the side of the top of the upper housing near the collection box, with the collection box located in the slot.
[0010] The above technical solution is adopted: by setting up a collection component, when the handle is pulled to drive the brush plate to clean the dust on the top of the dustproof net, the dust can be swept into the collection box for collection.
[0011] Furthermore, a buffer assembly is provided on the top of the upper housing near the fan. The buffer assembly includes a rubber ring, which is connected to the inner wall of the heat dissipation vent. The fan is connected to the inner wall of the rubber ring.
[0012] The above technical solution can absorb and buffer the vibration of the fan to a certain extent by setting up a buffer component, thereby reducing the impact of vibration on the internal components of the transformer.
[0013] Furthermore, an iron core is provided inside the lower housing, a primary winding is wound on the iron core, a secondary winding is wound on the side of the iron core near the primary winding, and an insulating sleeve is fitted on the iron core, the insulating sleeve being located between the primary winding and the secondary winding.
[0014] The above technical solution involves setting up an insulating sleeve to provide isolation and insulation, preventing high-voltage breakdown and leakage.
[0015] Furthermore, a rubber pad is connected to the inner wall of the lower housing, and a screw is threadedly connected between the dustproof net and the top of the upper housing.
[0016] The above technical solution is adopted: by setting up rubber pads, the vibration generated by the fan is absorbed and the vibration is prevented from being transmitted to the interior.
[0017] Furthermore, both the lower and upper housings are provided with quick-release components. Each quick-release component includes a fixing seat, on which a bolt is threadedly connected, and an anti-loosening washer is provided on the bolt.
[0018] The above technical solution is adopted: by setting up quick-release components, it is easy to disassemble and replace during maintenance, thereby reducing the impact on the overall sealing performance.
[0019] Furthermore, a sealing ring is provided at the connection between the lower housing and the upper housing.
[0020] The above technical solution is adopted: by setting a sealing ring, the sealing performance between the upper and lower housings is increased.
[0021] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0022] In this invention, a heat dissipation component is installed to dissipate heat generated by internal components, preventing excessive internal temperature from causing component aging. A dustproof component is also installed to ensure that external dust does not enter the transformer during heat dissipation, and to facilitate cleaning of the dustproof mesh, preventing clogging. This solves the problem of high sealing requirements hindering heat dissipation inside the transformer, leading to increased internal temperature after prolonged operation, which can cause a decline in the performance of insulation materials, accelerated aging, and affect the transformer's lifespan and performance. Existing technologies require drilling or opening holes in the transformer's casing or other parts to install cooling fans, heat sinks, or create heat dissipation channels. These operations may damage the original sealing structure, reducing sealing performance and allowing external dust, moisture, and other impurities to easily enter the transformer. Attached Figure Description
[0023] Figure 1 This is a front view of a high-sealing voltage transformer.
[0024] Figure 2 This is a top view of a high-sealing voltage transformer.
[0025] Figure 3 This is a structural diagram of a heat dissipation component in a high-sealing voltage transformer.
[0026] Figure 4 This is a structural diagram of a dustproof component in a high-sealing voltage transformer.
[0027] Figure 5 This is a split diagram of a high-sealing voltage transformer.
[0028] Numbering on the map:
[0029] 1. Lower shell; 2. Upper shell;
[0030] 3. Heat dissipation components; 31. Fan; 32. Heat dissipation vents;
[0031] 4. Cushioning components; 41. Rubber ring; 42. Rubber pad;
[0032] 5. Dustproof components; 51. Dustproof net; 52. Slide rail; 53. Connector; 54. Slider; 55. Brush plate; 56. Handle;
[0033] 6. Collection components; 61. Collection box; 62. Card slot;
[0034] 7. Quick-release assembly; 71. Mounting bracket; 72. Bolt; 73. Anti-loosening washer;
[0035] 8. Sealing ring; 9. Iron core; 10. Primary winding; 11. Secondary winding; 12. Insulating sleeve. Detailed Implementation
[0036] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0037] like Figures 1-4 As shown, this utility model provides a technical solution: a high-sealing voltage transformer, comprising:
[0038] The lower housing 1 and the upper housing 2 are provided on the top of the lower housing 1. A sealing ring 8 is provided at the connection between the lower housing 1 and the upper housing 2.
[0039] Heat dissipation component 3 is placed on the top of the upper housing 2. Heat dissipation component 3 includes a fan 31 disposed on the top of the upper housing 2. A heat dissipation vent 32 is provided on the side of the top of the upper housing 2 near the fan 31. The fan 31 is located inside the heat dissipation vent 32.
[0040] Dustproof component 5 is placed on the top of the upper housing 2. Dustproof component 5 includes a dustproof net 51 set on the top of the upper housing 2. The dustproof net 51 is located on the top of the fan 31. Slide rails 52 are provided on both sides of the top of the upper housing 2 near the dustproof net 51. The slide rails 52 are connected to the top of the upper housing 2 by a connector 53. A slider 54 is slidably connected in the slide rails 52. A brush plate 55 is connected to the slider 54. A handle 56 is provided on the top of the brush plate 55.
[0041] Specifically, when the internal temperature is too high, the handle 56 is pulled to slide the brush plate 55 through the slider 54 in the slide rail 52 to expose the heat dissipation vent 32 and the internal fan 31 for heat dissipation. The dustproof net 51 on top will block external dust from entering the interior. When too much dust accumulates on the top of the dustproof net 51 over a long period of time, the brush plate 55 is used to sweep it out from the top of the dustproof net 51 to prevent blockage and affect the heat dissipation efficiency.
[0042] Furthermore, such as Figure 5 As shown: The lower housing 1 is equipped with an iron core 9, on which a primary winding 10 is wound. A secondary winding 11 is wound on the side of the iron core 9 near the primary winding 10. An insulating sleeve 12 is fitted on the iron core 9. The insulating sleeve 12 is located between the primary winding 10 and the secondary winding 11. The windings are led out to the outside of the housing through the sleeve. The insulating sleeve 12 serves to isolate and insulate, preventing high voltage breakdown and leakage.
[0043] The above solutions also have the problem that after dust is swept away from the dust filter 51 by the brush plate 55, it may fall onto the top of the upper housing 2. Figure 4As shown: Collection components 6 are provided on both sides of the top of the upper housing 2 near the dustproof net 51. The collection components 6 include collection boxes 61. A slot 62 is provided on the side of the top of the upper housing 2 near the collection box 61. The collection box 61 is located in the slot 62. By setting the collection components 6, when the handle 56 is pulled to drive the brush plate 55 to clean the dust on the top of the dustproof net 51, the dust can be swept into the collection box 61 for collection.
[0044] The above solutions also have the problem that the fan 31 will vibrate during operation. This vibration may cause the sealing components of the current transformer to loosen, or cause friction and wear between it and other components, thereby compromising the sealing effect. Figure 3 and Figure 5 As shown: A buffer assembly 4 is provided on the top of the upper housing 2 near the fan 31. The buffer assembly 4 includes a rubber ring 41, which is connected to the inner wall of the heat dissipation port 32. The fan 31 is connected to the inner wall of the rubber ring 41. A rubber pad 42 is connected to the inner wall of the lower housing 1. A screw is threaded between the dustproof net 51 and the top of the upper housing 2. By setting the buffer assembly 4, the rubber ring 41 can absorb and buffer the vibration of the fan 31 to a certain extent, and the rubber pad 42 can reduce the impact of vibration on the internal components of the current transformer.
[0045] Furthermore, such as Figure 1 As shown: Both the lower housing 1 and the upper housing 2 are equipped with quick-release components 7. The quick-release component 7 includes a fixing seat 71, and a bolt 72 is threaded onto the fixing seat 71. An anti-loosening washer 73 is provided on the bolt 72. By setting the quick-release component 7, the bolt 72 can be placed into the fixing seat 71 and then the bolt 72 can be tightened to complete the splicing. Conversely, it can be disassembled, which is convenient for disassembly and replacement during maintenance and reduces the impact on the overall sealing performance.
[0046] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. The implementation schemes in the above embodiments can also be further combined or replaced. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A high-sealing voltage transformer, characterized in that, include: The lower housing (1) and the upper housing (2) set on the top of the lower housing (1); Heat dissipation assembly (3), the heat dissipation assembly (3) is placed on the top of the upper housing (2), the heat dissipation assembly (3) includes a fan (31) disposed on the top of the upper housing (2), a heat dissipation vent (32) is provided on the side of the top of the upper housing (2) near the fan (31), and the fan (31) is located inside the heat dissipation vent (32); Dustproof component (5), the dustproof component (5) is placed on the top of the upper housing (2), the dustproof component (5) includes a dustproof net (51) set on the top of the upper housing (2), the dustproof net (51) is located on the top of the fan (31), the top of the upper housing (2) is provided with slide rails (52) on both sides near the dustproof net (51), the slide rails (52) are connected to the top of the upper housing (2) by a connector (53), a slider (54) is slidably connected in the slide rails (52), a brush plate (55) is connected on the slider (54), and a handle (56) is provided on the top of the brush plate (55).
2. The high-sealing voltage transformer according to claim 1, characterized in that: Collection components (6) are provided on both sides of the top of the upper housing (2) near the dustproof net (51). The collection components (6) include a collection box (61). A slot (62) is provided on the top of the upper housing (2) near the collection box (61). The collection box (61) is located in the slot (62).
3. A high-sealing voltage transformer according to claim 1, characterized in that: A buffer assembly (4) is provided on the top of the upper housing (2) near the fan (31). The buffer assembly (4) includes a rubber ring (41), which is connected to the inner wall of the heat dissipation port (32). The fan (31) is connected to the inner wall of the rubber ring (41).
4. A high-sealing voltage transformer according to claim 1, characterized in that: The lower housing (1) is provided with an iron core (9), a primary winding (10) is wound on the iron core (9), a secondary winding (11) is wound on the side of the iron core (9) near the primary winding (10), and an insulating sleeve (12) is fitted on the iron core (9), the insulating sleeve (12) being located between the primary winding (10) and the secondary winding (11).
5. A high-sealing voltage transformer according to claim 1, characterized in that: A rubber pad (42) is connected to the inner wall of the lower housing (1), and a screw is threaded between the dustproof net (51) and the top of the upper housing (2).
6. A high-sealing voltage transformer according to claim 1, characterized in that: Both the lower housing (1) and the upper housing (2) are provided with quick-release components (7). The quick-release components (7) include a fixing seat (71), and a bolt (72) is threaded onto the fixing seat (71). An anti-loosening washer (73) is provided on the bolt (72).
7. A high-sealing voltage transformer according to claim 1, characterized in that: A sealing ring (8) is provided at the connection between the lower housing (1) and the upper housing (2).