Dry-type transformer shell

Abstract

The utility model discloses a dry-type transformer shell which comprises an outer shell and a partition plate assembly. The shell is provided with an accommodating cavity, and a rib column part is arranged on the cavity wall of the accommodating cavity; the partition plate assembly is arranged in the shell and divides the containing cavity into a first cavity and a second cavity, the partition plate assembly comprises a main plate body and at least two mounting mechanisms, all the mounting mechanisms are arranged on the outer edge of the main plate body at intervals, each mounting mechanism comprises a mounting part, and the mounting parts are arranged on the outer edge of the main plate body. The mounting mechanism comprises a mounting part and a main plate body, the mounting part and the main plate body are fixed and mounted on the cavity wall of the containing cavity, a transformer main body mounting hole is formed in the middle of the main plate body, a rib column receding groove is formed between every two adjacent mounting mechanisms, and the rib column part of the shell is located in the rib column receding grooves.

Description

Technical Field

[0001] The utility model relates to the field of transformers, and particularly to a dry-type transformer housing. Background Art

[0002] Some existing dry-type transformers include a dry-type transformer housing, a transformer main body inside, and a radiator outside. The dry-type transformer housing includes a housing and a partition assembly. The partition assembly is located in the accommodation cavity of the housing and divides the accommodation cavity into a first chamber and a second chamber. The transformer main body passes through the middle of the partition assembly. The heat exchanger can suck the hot air in the first chamber and cool it, and then inject the cold air into the second chamber. The air in the second chamber returns to the first chamber after passing through the transformer main body, and the air flow cools the transformer main body during this period.

[0003] The existing partition assembly includes a main board body and an installation mechanism. The installation mechanism is in a frame shape and is arranged on the outer periphery of the main board body. Usually, there are rib column parts for reinforcement on the cavity wall of the accommodation cavity. The installation mechanism includes an installation part and a wing plate connected to the installation part. The installation part is installed on the outer edge of the main board body, and the wing plate is installed on the cavity wall of the accommodation cavity. The wing plate avoids the rib column part of the housing through the rib column relief groove provided thereon. With the development requirement of gradually reducing the size of the dry-type transformer housing, the above installation mechanism has too large a width ratio in the partition assembly, resulting in insufficient spacing between the installation mechanism and the transformer main body, which affects safety. Summary of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a dry-type transformer housing, which can reduce the width ratio of the installation mechanism in the partition assembly.

[0005] The dry-type transformer housing according to the embodiment of the utility model includes a housing and a partition assembly. The housing is provided with an accommodation cavity, and the cavity wall of the accommodation cavity is provided with rib column parts; the partition assembly is arranged in the housing and divides the accommodation cavity into a first chamber and a second chamber. The partition assembly includes a main board body and at least two installation mechanisms. All the installation mechanisms are arranged at intervals on the outer edge of the main board body. The installation mechanism includes an installation part, the installation part is fixed to the main board body and installed on the cavity wall of the accommodation cavity. A transformer main body installation hole is provided in the middle of the main board body. A rib column relief groove is formed between two adjacent installation mechanisms, and the rib column part of the housing is located in the rib column relief groove.

[0006] The dry-type transformer housing according to the embodiments of the present utility model has at least the following beneficial effects: By directly installing the installation part on the cavity wall of the accommodation cavity of the outer shell, and forming a rib post relief groove between two adjacent installation mechanisms, the installation mechanism does not need to be additionally provided with a wing plate, so that the width of the installation mechanism can be reduced, that is, the width ratio of the installation mechanism in the partition assembly is reduced, so that the spacing distance between the installation mechanism and the transformer body can meet the requirements.

[0007] According to some embodiments of the present utility model, the installation part includes a first clamping strip and a second clamping strip. The main board body is provided with clamping plate parts corresponding to the installation mechanisms one by one. The first clamping strip and the second clamping strip are respectively arranged on opposite sides of the corresponding clamping plate part. The installation mechanism includes a first fastener, and the first fastener is arranged between the first clamping strip and the second clamping strip and makes the first clamping strip and the second clamping strip clamp the clamping plate part. The first clamping strip and / or the second clamping strip is fixedly connected to the cavity wall of the accommodation cavity.

[0008] According to some embodiments of the present utility model, the main board body is provided with a relief notch at a position opposite to the rib post relief groove.

[0009] According to some embodiments of the present utility model, the first fastener is a bolt-nut pair.

[0010] According to some embodiments of the present utility model, the first clamping strip is welded to the outer shell; or the first clamping strip is locked and connected to the outer shell through a second fastener.

[0011] According to some embodiments of the present utility model, the outer shell is provided with a door hole communicating with the accommodation cavity. The installation mechanism includes an orifice installation mechanism. The orifice installation mechanism includes an embedding section and orifice installation sections connected to both ends of the embedding section. The orifice installation sections are connected to the peripheral edge of the orifice of the door hole, and the embedding section is embedded in the door hole.

[0012] According to some embodiments of the present utility model, the partition assembly is arranged horizontally, and the first chamber is located above the second chamber; the outer shell is provided with a plurality of the door holes around it horizontally, and the outer shell is provided with door bodies corresponding to the door holes one by one, and the door bodies can open or close the corresponding door holes.

[0013] According to some embodiments of the present utility model, the installation mechanism includes a side plate installation mechanism, and the side close to the outer shell of the side plate installation mechanism is welded to the outer shell.

[0014] According to some embodiments of the present utility model, the main board body includes at least two component boards, and all the component boards are butt-jointed in sequence to form the main board body and enclose to form the installation hole for the transformer main body. A reinforcing member is provided at the butt-joint of two adjacent component boards.

[0015] According to some embodiments of the present utility model, a part of the installation mechanism is cross-connected between two adjacent component boards.

[0016] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0018] Figure 1 is a three-dimensional schematic diagram of the dry-type transformer housing according to the embodiment of the present utility model;

[0019] Figure 2 is the embodiment of the present utility model Figure 1 is a schematic cross-sectional view in the A-A direction of

[0020] Figure 3 is a three-dimensional schematic diagram of the dry-type transformer housing with a part of the door body removed according to the embodiment of the present utility model;

[0021] Figure 4 is the embodiment of the present utility model Figure 3 is a partial enlarged schematic diagram at B of

[0022] Figure 5 is a three-dimensional schematic diagram of the partition assembly according to the embodiment of the present utility model;

[0023] Figure 6 is the embodiment of the present utility model Figure 5 is a partial enlarged schematic diagram at C of

[0024] Reference numerals:

[0025] housing 100, accommodation cavity 110, first chamber 111, second chamber 112, rib column part 120, door hole 130, door body 140;

[0026] partition assembly 200, main board body 210, installation hole for transformer main body 211, clamping plate part 212, relief notch 213, component board 214, reinforcing member 215, installation mechanism 220, first clamping strip 221, second clamping strip 222, hole installation mechanism 223, embedding section 2231, hole installation section 2232, side plate installation mechanism 224, rib column relief groove 230. Detailed implementation manners

[0027] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up and down, etc., is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0029] In the description of the present utility model, "a plurality of" refers to more than two. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0030] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installation, and connection should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0031] Some existing dry-type transformers include a dry-type transformer housing, a transformer body inside, and a radiator outside. The dry-type transformer housing includes a shell and a partition assembly. The partition assembly is located in the accommodation cavity of the shell and divides the accommodation cavity into a first chamber and a second chamber. The transformer body passes through the middle of the partition assembly. The heat exchanger can inhale the hot air in the first chamber and cool it, and then inject the cold air into the second chamber. The air in the second chamber flows back to the first chamber after passing through the transformer body, and the air flow cools the transformer body during this period.

[0032] The existing partition assembly includes a main board body and an installation mechanism. The installation mechanism is in a frame shape and is arranged on the outer periphery of the main board body. Usually, there are rib column parts for reinforcement on the cavity wall of the accommodation cavity. The installation mechanism includes an installation part and a wing plate connected to the installation part. The installation part is installed on the outer edge of the main board body, and the wing plate is installed on the cavity wall of the accommodation cavity. The wing plate avoids the rib column part of the shell through the rib column relief groove provided on it. With the development requirement of gradually reducing the size of the dry-type transformer housing, the width ratio of the above installation mechanism in the partition assembly is too large, resulting in insufficient spacing between the installation mechanism and the transformer body, affecting safety.

[0033] Refer toFigures 1 to 6 This is the dry-type transformer housing according to the embodiment of the present utility model, which includes a housing 100 and a partition assembly 200. The housing 100 is provided with a receiving cavity 110, and the cavity wall of the receiving cavity 110 is provided with rib columns 120; the partition assembly 200 is disposed inside the housing 100 and divides the receiving cavity 110 into a first chamber 111 and a second chamber 112. The partition assembly 200 includes a main board body 210 and at least two mounting mechanisms 220. All the mounting mechanisms 220 are arranged at intervals on the outer edge of the main board body 210. The mounting mechanism 220 includes a mounting part, and the mounting part is fixed to the main board body 210 and mounted on the cavity wall of the receiving cavity 110. A transformer main body mounting hole 211 is provided in the middle of the main board body 210. A rib column relief groove 230 is formed between two adjacent mounting mechanisms 220, and the rib columns 120 of the housing 100 are located in the rib column relief groove 230.

[0034] By directly mounting the mounting part on the cavity wall of the receiving cavity 110 of the housing 100, and a rib column relief groove 230 is formed between two adjacent mounting mechanisms 220, it is not necessary to additionally provide a wing plate for the mounting mechanism 220, so that the width of the mounting mechanism 220 can be reduced, that is, the width ratio of the mounting mechanism 220 in the partition assembly 200 is reduced, so that the spacing distance between the mounting mechanism 220 and the transformer main body can meet the requirements. And each mounting mechanism 220 can be assembled with the main board body 210 separately, and the use is relatively flexible.

[0035] Specifically, the partition assembly 200 is provided with thirteen mounting mechanisms 220. It can be imagined that the number of mounting mechanisms 220 can also be other numbers, such as two, three or more, and those skilled in the art can specifically configure according to actual needs.

[0036] In the embodiment, the mounting part includes a first clamping strip 221 and a second clamping strip 222. The main board body 210 is provided with clamping plate parts 212 corresponding to the mounting mechanisms 220 one by one. The first clamping strip 221 and the second clamping strip 222 are respectively disposed on opposite sides of the corresponding clamping plate part 212. The mounting mechanism 220 includes a first fastener, and the first fastener is disposed between the first clamping strip 221 and the second clamping strip 222 and enables the first clamping strip 221 and the second clamping strip 222 to clamp the clamping plate part 212. The first clamping strip 221 is fixedly connected to the cavity wall of the receiving cavity 110. The first fastener applies a clamping force to the first clamping strip 221 and the second clamping strip 222, so that the first clamping strip 221 and the second clamping strip 222 can clamp the clamping plate part 212 therebetween, thereby clamping and fixing the main board body 210. The clamping effect is relatively stable, and the structure for the mounting mechanism 220 to fix the main board body 210 is relatively simple, which is suitable for fixing when the mounting mechanism 220 and the main board body 210 are made of different materials, and is convenient for disassembling, replacing and maintaining the mounting mechanism 220 and the main board body 210; and the mounting mechanism 220 can be mounted on the housing 100 through the first clamping strip 221, and the mounting is relatively convenient.

[0037] Specifically, the main board body 210 is arranged horizontally, the first clamping strip 221 is located below the main board body 210, and the second clamping strip 222 is located above the main board body 210. In some other embodiments, the mounting mechanism 220 can also be mounted on the housing 100 through the second clamping strip 222; or the mounting mechanism 220 is mounted on the housing 100 through the first clamping strip 221 and the second clamping strip 222 simultaneously.

[0038] In an embodiment, the main board body 210 is provided with a relief notch 213 in the area of the rib post relief groove 230, so that the rib post portion 120 of the housing 100 can be better embedded in the rib post relief groove 230, reducing the assembly gap between the partition assembly 200 and the cavity wall of the accommodation cavity 110.

[0039] In an embodiment, the first fastener is a bolt-nut pair. When tightened, the first clamping strip 221 and the second clamping strip 222 can clamp the clamping plate portion 212 therebetween, and when loosened, the mounting mechanism 220 can be separated from the main board body 210, facilitating replacement and maintenance.

[0040] It can be imagined that the mounting mechanism 220 can also fix the outer edge of the main board body 210 in other ways. For example, the mounting mechanism 220 includes a first clamping strip 221 and a screw, and the screw locks the first clamping strip 221 to the main board body 210, so that the mounting mechanism 220 is fixed to the outer edge of the main board body 210.

[0041] In an embodiment, part of the first clamping strip 221 is welded to the housing 100, and the other part of the first clamping strip 221 is locked and connected to the housing 100 through a second fastener. The first clamping strip 221 can be connected and fixed to the housing 100 by welding or locking with a second fastener, with relatively flexible use.

[0042] In an embodiment, the housing 100 is provided with a door hole 130 communicating with the accommodation cavity 110, the mounting mechanism 220 includes an orifice mounting mechanism 223, the orifice mounting mechanism 223 includes an embedding section 2231 and orifice mounting sections 2232 connected to both ends of the embedding section 2231, the orifice mounting sections 2232 are connected to the peripheral edge of the orifice of the door hole 130, and the embedding section 2231 is embedded in the door hole 130. The above structure can enable the orifice mounting mechanism 223 to have a sufficient spacing distance from the transformer body as much as possible, improving the use safety of the dry-type transformer, and fully utilizing the space inside the door hole 130 to accommodate the orifice mounting mechanism 223, making the structure of the partition assembly 200 more compact.

[0043] Specifically, when assembling the internal structure of the dry-type transformer housing, the staff can operate on the inside of the dry-type transformer housing from the door hole 130, facilitating the staff to maintain the inside of the dry-type transformer.

[0044] In an embodiment, the partition assembly 200 is arranged horizontally, and the first chamber 111 is located above the second chamber 112; the outer shell 100 is provided with a plurality of door holes 130 arranged horizontally around it, and the outer shell 100 is provided with door bodies 140 corresponding to the door holes 130 one by one. The door bodies 140 can open or close the corresponding door holes 130. By providing a plurality of door holes 130 and door bodies 140, when maintenance of the dry-type transformer is required, the door bodies 140 can be opened and the nearby areas can be maintained at different door holes 130, which is convenient for maintaining various parts inside the dry-type transformer housing, and the maintenance is relatively convenient. When the dry-type transformer is in normal use, the door bodies 140 can be closed, and the door bodies 140 close the door holes 130 to prevent foreign objects from entering the inside of the dry-type transformer housing, providing better protection for the internal structure of the dry-type transformer housing.

[0045] Specifically, the door holes 130 all penetrate through to the first chamber 111 and the second chamber 112, so that the internal structures of the first chamber 111 and the second chamber 112 can be maintained through the door holes 130. It can be understood that the number of door holes 130 can be two, three, four or more, and those skilled in the art can configure it specifically according to actual needs.

[0046] In an embodiment, the installation mechanism 220 includes a side plate installation mechanism 224, and the side close to the outer shell 100 of the side plate installation mechanism 224 is fixedly connected to the outer shell 100 by welding. In the area outside the door holes 130, the main board body 210 is fixedly connected to the outer shell 100 by using the side plate installation mechanism 224, and the side plate installation mechanism 224 is fixed to the outer shell 100 by welding, which is relatively convenient for processing.

[0047] In an embodiment, the main board body 210 includes six component boards 214. All the component boards 214 are butt-jointed in sequence to form the main board body 210 and enclose a transformer main body installation hole 211. A reinforcing member 215 is arranged at the butt-joint of two adjacent component boards 214. By butting a plurality of component boards 214 to form the main board body 210, the processing and manufacturing difficulty of the main board body 210 is reduced, and the reinforcing member 215 at the butt-joint of two adjacent component boards 214 can improve the connection strength at the butt-joint of the component boards 214, so that the main board body 210 has better structural strength and prevents the separation of two adjacent component boards 214. It can be imagined that the main board body 210 can also be formed by butting other numbers of component boards 214, and those skilled in the art can configure it specifically according to actual needs.

[0048] In an embodiment, part of the installation mechanism 220 is cross-connected between two adjacent component boards 214, which can further strengthen the butt-joint strength between two adjacent component boards 214, so that the overall structural strength of the partition assembly 200 is better.

[0049] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0050] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A dry-type transformer housing, characterized in that: include: The housing (100) is provided with a receiving cavity (110), and the cavity wall of the receiving cavity (110) is provided with a rib column portion (120); A partition assembly (200) is arranged in the housing (100) and divides the accommodating cavity (110) into a first cavity (111) and a second cavity (112); the partition assembly (200) comprises a main body (210) and at least two mounting mechanisms (220); all the mounting mechanisms (220) are arranged at intervals on the outer edge of the main body (210); the mounting mechanism (220) comprises a mounting portion, the mounting portion is fixed to the main body (210) and mounted on the cavity wall of the accommodating cavity (110); a transformer main body mounting hole (211) is provided in the middle of the main body (210); a rib column clearance groove (230) is formed between two adjacent mounting mechanisms (220); the rib column portion (120) of the housing (100) is located in the rib column clearance groove (230).

2. The dry-type transformer housing according to claim 1, characterized in that: The mounting portion comprises a first clamping strip (221) and a second clamping strip (222); the main board body (210) is provided with a clamping plate portion (212) corresponding to the mounting mechanism (220); the first clamping strip (221) and the second clamping strip (222) are respectively arranged on opposite sides of the corresponding clamping plate portion (212); the mounting mechanism (220) comprises a first fastener, the first fastener is arranged between the first clamping strip (221) and the second clamping strip (222) and enables the first clamping strip (221) and the second clamping strip (222) to clamp the clamping plate portion (212); the first clamping strip (221) and / or the second clamping strip (222) are fixedly connected to the cavity wall of the accommodating cavity (110).

3. The dry-type transformer housing according to claim 2, characterized in that: The main body (210) is provided with a clearance notch (213) at a position opposite to the rib column clearance groove (230).

4. The dry-type transformer housing according to claim 2, characterized in that: The first fastener is a bolt and nut pair.

5. The dry-type transformer housing according to claim 2, characterized in that: The first clamping strip (221) is connected to the outer shell (100) by welding; or the first clamping strip (221) is connected to the outer shell (100) by locking with a second fastener.

6. The dry-type transformer housing according to claim 1, characterized in that: The housing (100) is provided with a door hole (130) connected to the accommodating cavity (110); the mounting mechanism (220) comprises an orifice mounting mechanism (223); the orifice mounting mechanism (223) comprises an embedding section (2231) and a hole mounting section (2232) connected to both ends of the embedding section (2231); the hole mounting section (2232) is connected to the periphery of the orifice of the door hole (130); and the embedding section (2231) is embedded in the door hole (130).

7. The dry-type transformer housing according to claim 6, characterized in that: The partition assembly (200) is arranged in a horizontal direction, and the first chamber (111) is located above the second chamber (112); the outer shell (100) is surrounded by a plurality of door holes (130) in a horizontal direction, and the outer shell (100) is provided with door bodies (140) corresponding to the door holes (130) one by one, and the door bodies (140) can open or close the corresponding door holes (130).

8. The dry-type transformer housing according to claim 1, characterized in that: The mounting mechanism (220) comprises a side plate mounting mechanism (224), and a side of the side plate mounting mechanism (224) close to the housing (100) is welded to the housing (100).

9. The dry-type transformer housing according to claim 1, characterized in that: The main body (210) comprises at least two component plates (214); all the component plates (214) are connected in sequence to form the main body (210) and enclose the transformer main body mounting hole (211); and a reinforcement member (215) is provided at the connection point between two adjacent component plates (214).

10. The dry-type transformer housing according to claim 9, characterized in that: Part of the mounting mechanism (220) is straddled and connected to two adjacent component plates (214).

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