Dry-type air-core reactor rain cover with supporting structure
By connecting the rain cover with the star frame arm using a supporting structure on the dry-type air-core reactor to form a gap, the problem of poor heat dissipation of the rain cover is solved, achieving better heat dissipation and noise reduction effects, and extending the service life of the reactor.
Patent Information
- Application Number
- CN202421542493.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The rain cover of the existing dry-type air-core reactor has poor heat dissipation performance, which shortens its service life.
A rain shield with a supporting structure is connected to the star frame arm of the reactor, and a gap is formed by the rain shield grille and the supporting member to improve the heat dissipation effect.
The heat dissipation effect of the dry-type air-core reactor is improved, the service life is extended and the noise reduction function is achieved.
Smart Images

Figure CN223462072U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power equipment technical field, concretely relates to a dry type air core reactor rain cover with support structure. BACKGROUND
[0002] The air core reactor is inductive high voltage electrical equipment for limiting short circuit current, reactive compensation and phase shifting in power system, and the magnetic flux forms a loop through air, so it is called air core reactor. The dry type air core reactor is the electrical equipment commonly used in outdoor power plant and substation, and its main function is to limit bus or outgoing line short circuit current and maintain system reactive balance.
[0003] The air core reactor is usually installed with a rain cover, which is mainly used to prevent rainwater from falling on the upper end surface of the coil of the air core reactor. For example, the Chinese utility model patent with the publication number CN216287877U and the name of an air core reactor rain cover, which specifically includes a main rain cover, a vertical ring-shaped grid and a secondary rain cover. The bottom of the main rain cover is fixedly connected with the top edge of the air core reactor, the top is provided with a circular notch, the bottom of the vertical ring-shaped grid is fixedly connected with the edge of the circular notch, and the top is fixedly connected with the bottom of the secondary rain cover. Although the vertical ring-shaped grid at the top can perform a certain degree of heat dissipation, the bottom of the main rain cover is directly seated and connected to the top of the air core reactor, which is not conducive to heat dissipation at this position, resulting in poor overall heat dissipation, which will affect the service life of the dry type air core reactor to some extent. UTILITY MODEL CONTENTS
[0004] The utility model mainly aims at providing a dry type air core reactor rain cover with a support structure to solve the problems existing in the prior art.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme:
[0006] A dry type air core reactor rain cover with a support structure, comprising a rain cover umbrella and a rain grid, the top of the rain cover umbrella is provided with an opening, the rain grid is installed at the opening, the bottom of the rain cover umbrella is connected with a support structure through a fastener, the support structure comprises a support on the bottom wall of the rain cover umbrella and an aluminum pressing plate on the top wall of the rain cover umbrella, the fastener is sequentially connected with the aluminum pressing plate, the rain cover umbrella and the support from top to bottom, and the bottom of the support is fixedly connected with the star frame arm of the air core reactor.
[0007] Further, a silica gel pad is arranged between the aluminum pressing plate and the top wall of the rain cover umbrella, and the fastener is sequentially connected with the aluminum pressing plate, the silica gel pad, the rain cover umbrella and the support from top to bottom.
[0008] Further, the top of the support is integrally formed with a pad plate, the pad plate is attached to the bottom wall of the rain cover umbrella cover, and the bottom of the support is connected with the star frame arm through bolts.
[0009] Further, the plate material of the support is an aluminum plate.
[0010] Further, the top opening of the rain cover umbrella cover is upwardly extended to form an annular protrusion, and the rainproof grid is installed on the annular protrusion.
[0011] Further, the rainproof grid comprises a plurality of grid plates, the end portions of the grid plates are fixed on the side wall of the annular protrusion through bolts, and the plurality of grid plates are arranged in the annular protrusion in a staggered manner.
[0012] Further, the rain cover umbrella cover and the grid plate are both made of glass fiber reinforced plastic.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The support structure is used to connect the rain cover umbrella cover and the star frame arm of the reactor, so that the rain cover umbrella cover is located above the dry-type air core reactor, and the two are not in direct contact. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall structure sectional view of the utility model.
[0016] Figure 2 It is the rain cover umbrella cover sectional view of the utility model.
[0017] Figure 3 It is the top view of the utility model.
[0018] Figure 4 It is the A place local enlarged view of the utility model.
[0019] Figure 5 It is the B place local enlarged view of the utility model.
[0020] Figure 6 It is the rain cover and dry-type air core reactor assembly schematic view of the utility model.
[0021] Figure 7 It is the rain cover and dry-type air core reactor another assembly form schematic view of the utility model.
[0022] 1 - rain cover umbrella cover, 2 - rain guard, 3 - support, 31 - backing plate, 4 - aluminum pressure plate, 5 - silica gel pad, 6 - fastener, 7 - hollow reactor, 8 - star frame arm, 9 - bolt. DETAILED DESCRIPTION
[0023] The technical scheme of the utility model is further explained below by means of the drawings and examples.
[0024] In combination Figures 1 to 6 The utility model provides a kind of dry-type hollow reactor rain cover with support structure, including rain cover umbrella cover 1 and rain guard 2, the top of rain cover umbrella cover 1 is equipped with opening, rain guard 2 is installed in the opening, the bottom of rain cover umbrella cover 1 is connected with support structure by fastener 6, the support structure includes the support 3 on the bottom wall of rain cover umbrella cover 1 and the aluminum pressure plate 4 on the top wall of rain cover umbrella cover 1, fastener 6 is sequentially connected aluminum pressure plate 4, rain cover umbrella cover 1 and support 3 from top to bottom, the bottom of support 3 is fixedly connected with the star frame arm of hollow reactor.
[0025] Preferably, silica gel pad 5 is provided between the aluminum pressure plate 4 and the top wall of the rain cover umbrella cover 1, and the fastener 6 is sequentially connected the aluminum pressure plate 4, the silica gel pad 5, the rain cover umbrella cover 1 and the support 3 from top to bottom. Specifically, the fastener 6 is a stainless steel bolt, which fastens and connects the aluminum pressure plate 4, the silica gel pad 5, the rain cover umbrella cover 1 and the support 3 by means of the stainless steel bolt.
[0026] In this embodiment, the top of the support 3 is integrally formed with a backing plate 31, which is attached to the bottom wall of the rain cover umbrella cover 1, and the bottom of the support 3 is connected to the star frame arm by means of a bolt.
[0027] Preferably, the plate material of the support 3 is an aluminum plate, and the rain cover umbrella cover 1 and the grid plate are made of glass fiber reinforced plastic.
[0028] In this embodiment, the top opening of the rain cover umbrella cover 1 extends upward to form an annular protrusion, and the rain guard 2 is installed on the annular protrusion. Preferably, the annular protrusion is integrally formed with the rain cover umbrella cover 1, the rain guard 2 includes a plurality of grid plates, the ends of the grid plates are fixed to the side walls of the annular protrusion by means of bolts 9, and the plurality of grid plates are arranged in the interior of the annular protrusion in an interlaced manner.
[0029] The installation process of the rain cover of this embodiment is as follows:
[0030] 1) Complete accessories: first, complete a set of rain cover umbrella cover 1, rain guard 2 and bolts and other accessories corresponding thereto;
[0031] 2) Install the rainproof grid 2: first, place the rain cover umbrella cover 1 on the horizontal ground, then place the rainproof grid 2 in the middle of the rain cover, align the installation hole opening position, and finally use the 304 stainless steel M8x45 bolt to fix the rainproof grid 2 on the upper opening of the rain cover umbrella cover 1;
[0032] 3) Install the support 3: use the stainless steel M12x60 bolt to fix the support 3 below the rain cover umbrella cover 1;
[0033] 4) Connect the hollow reactor 7 and the rain cover: use the lifting tool to hoist the assembled rain cover above the reactor, adjust the position, align the reserved installation hole position on the star frame arm 8 with the support 3, and then use the stainless steel bolt to pre-tighten the connection between the support 3 and the star frame, after all the supports 3 are connected with the star frame arm, and the level of each position of the rain cover is ensured, the overall level is maintained, the distance between the rain cover edge and the reactor outer diameter should be uniform, then tighten the bolt, and the installation is completed.
[0034] It should be noted that the installed and fixed support 3 is vertically downward or inclined downward in two cases, corresponding to two installation forms of Figure 6 and Figure 7 .
[0035] As shown in Figure 6 , the support 3 is vertically downward, and the top is connected with the middle part of the rain cover umbrella cover 1, and the bottom is connected with the star frame arm 8 of the hollow reactor 7 perpendicularly.
[0036] As shown in Figure 7 , the support 3 is inclined downward, and the top is connected with the edge position of the rain cover umbrella cover 1, and the bottom is inclinedly connected with the star frame arm 8 of the hollow reactor 7.
[0037] The rain cover of the embodiment can not only prevent rainwater from falling on the upper end surface of the reactor coil, but also connect the rain cover umbrella cover and the star frame arm of the reactor by using the support structure, so that there is a gap between the rain cover and the reactor, which improves the overall heat dissipation effect and effectively ensures the service life of the reactor, and has good noise reduction function.
[0038] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application, so any slight modification, equivalent change and modification according to the technical essence of the present application are still within the scope of the technical scheme of the present application.
Claims
1. A dry-type air-core reactor rain cover with a support structure, characterized by, The rain cover umbrella cover is provided with an opening at the top, and a rainproof grid is installed at the opening; the bottom of the rain cover umbrella cover is connected with a support structure through fasteners; the support structure comprises a support on the bottom wall of the rain cover umbrella cover and an aluminum pressing plate on the top wall of the rain cover umbrella cover; the fasteners are sequentially connected from top to bottom with the aluminum pressing plate, the rain cover umbrella cover and the support; and the bottom of the support is fixedly connected with the star frame arm of the air-core reactor.
2. A dry-type air-core reactor rain shield with a support structure as claimed in claim 1, characterized in that, Silicone pads are arranged between the aluminum pressing plate and the top wall of the rain cover umbrella cover; and the fasteners are sequentially connected from top to bottom with the aluminum pressing plate, the silicone pads, the rain cover umbrella cover and the support.
3. A dry-type air-core reactor rain shield with a support structure as claimed in claim 1, characterized in that, The top of the support is integrally formed with a pad plate, which is attached to the bottom wall of the rain cover umbrella cover; and the bottom of the support is connected with the star frame arm through bolts.
4. A dry-type air-core reactor rain shield with a support structure as claimed in claim 3, characterized in that, The plate material of the support is an aluminum plate.
5. A dry-type air-core reactor rain shield with a support structure as defined in claim 1, characterized in that, The top opening of the rain cover umbrella cover is extended upward to form an annular protrusion, and the rainproof grid is installed on the annular protrusion.
6. A dry-type air-core reactor rain shield with a support structure as claimed in claim 5, characterized in that, The rainproof grid comprises a plurality of grid plates, the end portions of the grid plates are fixedly connected with the side wall of the annular protrusion through bolts, and the plurality of grid plates are arranged in the annular protrusion in an interlaced manner.
7. A dry-type air-core reactor rain shield with a support structure as claimed in claim 6, characterized in that, The rain cover umbrella cover and the grid plates are made of glass fiber reinforced plastic.
Citation Information
Patent Citations
Rainproof cap for air-core reactor
CN216287877U