CN210575419U

CN210575419U - Heat dissipation device of dry-type power transformer

Info

Publication number: CN210575419U
Application number: CN201921280835.1U
Authority: CN
Inventors: 齐利伟
Original assignee: Suzhou Laijin Electromechanical Automation Co ltd
Current assignee: Suzhou Laijin Electromechanical Automation Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-19
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a dry-type power transformer heat abstractor, including the heat dissipation casing, the heat dissipation casing is hollow structure, and the both ends of heat dissipation casing all are equipped with the first opening with outside intercommunication, the both sides of heat dissipation casing all are equipped with the closing cap that matches the setting with first opening, be equipped with the transformer main part in the heat dissipation casing, one side inner wall of heat dissipation casing is equipped with the supplementary fixed establishment who matches the setting with the transformer main part, and the opposite side inner wall of heat dissipation casing is equipped with moving mechanism, the last heat dissipation mechanism that is equipped with of moving mechanism. The utility model discloses the fixed transformer main part that can stabilize, and can reciprocate the heat dissipation to the transformer main part.

Description

Heat dissipation device of dry-type power transformer

Technical Field

The utility model relates to a dentistry comprehensive therapy machine technical field especially relates to a dry-type power transformer heat abstractor.

Background

A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. Transformers can be classified into power transformers, test transformers, instrument transformers, and transformers for special purposes, in terms of their use: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; transformers with special purposes comprise electric furnace transformers for smelting, electric welding transformers, rectifier transformers for electrolysis, small-sized regulating transformers and the like, and the transformers need to be subjected to auxiliary heat dissipation by using a heat dissipation device when working;

the heat dissipation position of the existing heat dissipation device for the power transformer is inconvenient to adjust, and the fixing effect of the power transformer is poor, so that a dry type heat dissipation device for the power transformer is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a dry-type power transformer heat abstractor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dry-type power transformer heat abstractor, includes the heat dissipation casing, the heat dissipation casing is hollow structure, and the both ends of heat dissipation casing all are equipped with the first opening with outside intercommunication, the both sides of heat dissipation casing all are equipped with the closing cap that matches the setting with first opening, be equipped with the transformer main part in the heat dissipation casing, one side inner wall of heat dissipation casing is equipped with the supplementary fixed establishment who matches the setting with the transformer main part, and the opposite side inner wall of heat dissipation casing is equipped with moving mechanism, the last heat dissipation mechanism that is equipped with of moving mechanism.

Preferably, two the equal fixedly connected with inserted bar that two symmetries set up of one side lateral wall that the closing cap is relative, and the both ends of heat dissipation casing all are equipped with the slot that matches the setting with the inserted bar, two all be equipped with first dust screen on the closing cap, and two first dust screens all run through the closing cap setting.

Preferably, supplementary fixed establishment includes the fixed plate that cavity set up, the threaded rod that the level set up is connected to the fixed plate internal rotation, and the threaded rod runs through the lateral wall setting of fixed plate, the cover is equipped with the nut that two symmetries set up on the threaded rod, and the splint of the vertical setting of equal fixedly connected with on two nuts, the downside lateral wall of fixed plate is equipped with the second opening that matches the setting with two splint, two splint are located the both sides of transformer main part respectively, and two splint all run through the second opening setting.

Preferably, moving mechanism includes the movable plate that the level set up, be equipped with the bar through-hole on the movable plate, and the bar through-hole runs through the movable plate setting, fixedly connected with driving motor on the lateral wall of heat dissipation casing, driving motor's output runs through the lateral wall and the fixedly connected with gear of heat dissipation casing, the gear is located the bar through-hole, the both sides of bar through-hole all are equipped with the tooth's socket that sets up with the gear engagement, and the gear is the semi-gear.

Preferably, the external screw thread of threaded rod comprises first external screw thread and the second external screw thread that the symmetry set up, first external screw thread sets up to opposite with the second external screw thread soon, and two nuts overlap respectively and establish on first external screw thread and second external screw thread, be equipped with the nut on the threaded rod, and the nut is located the outside of fixed plate.

Preferably, heat dissipation mechanism includes the refrigerator, and the refrigerator is connected with the lateral wall activity joint of movable plate, the fixed intercommunication of output of refrigerator has the heating panel of cavity setting, the upper end of heating panel is equipped with a plurality of louvres, and the equal activity joint in a plurality of louvres has the second dust screen.

The utility model discloses well beneficial effect as follows:

1. because the first external thread and the second external thread are arranged in opposite rotating directions, the threaded rod can be rotated to drive the two clamping plates to move in opposite directions, so that the two clamping plates are matched to clamp the transformer main body, and the threaded rod can be locked by the nut, thereby ensuring the stability of the working states of the two clamping plates;

2. the driving motor drives the gear to rotate, and the gear rotates to drive the movable plate to reciprocate due to the fact that the gear is a half gear, so that the heat dissipation mechanism is driven to reciprocate in the horizontal direction, the refrigerator refrigerates, and cold air enters the heat dissipation plate and then dissipates heat of the transformer main body through the plurality of heat dissipation holes.

Drawings

Fig. 1 is a schematic structural view of a heat dissipation device of a dry power transformer according to the present invention;

fig. 2 is a schematic structural diagram at a in fig. 1.

In the figure: the transformer comprises a heat dissipation shell 1, a sealing cover 2, a transformer body 3, an insertion rod 4, a first dust screen 5, a fixing plate 6, a threaded rod 7, a nut 8, a clamping plate 9, a moving plate 10, a strip-shaped through hole 11, a gear 12, a nut 13, a refrigerator 14, a heat dissipation plate 15, a second dust screen 16 and a driving motor 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, a heat dissipation device for a dry-type power transformer includes a heat dissipation housing 1, the heat dissipation housing 1 is of a hollow structure, two ends of the heat dissipation housing 1 are respectively provided with a first opening communicated with the outside, two sides of the heat dissipation housing 1 are respectively provided with a sealing cover 2 matched with the first opening, two symmetrically arranged insertion rods 4 are fixedly connected to a side wall of one side opposite to the two sealing covers 2, two ends of the heat dissipation housing 1 are respectively provided with an insertion slot matched with the insertion rods 4, two sealing covers 2 are respectively provided with a first dust screen 5, the two first dust screens 5 are arranged to penetrate through the sealing covers 2, the insertion rods 4 are inserted into the insertion slots to ensure the stability of the connection state of the sealing covers 2 and the heat dissipation housing 1, and the two first dust screens 5 are additionally provided to facilitate the exchange of air inside the heat dissipation housing 1 with the;

a transformer body 3 is arranged in a heat dissipation shell 1, an auxiliary fixing mechanism matched with the transformer body 3 is arranged on the inner wall of one side of the heat dissipation shell 1, a moving mechanism is arranged on the inner wall of the other side of the heat dissipation shell 1, the auxiliary fixing mechanism comprises a fixing plate 6 which is arranged in a hollow manner, a horizontally arranged threaded rod 7 is rotatably connected in the fixing plate 6, the threaded rod 7 penetrates through the side wall of the fixing plate 6, two symmetrically arranged nuts 8 are sleeved on the threaded rod 7, vertically arranged clamping plates 9 are fixedly connected on the two nuts 8, a second opening matched with the two clamping plates 9 is arranged on the side wall of the lower side of the fixing plate 6, the two clamping plates 9 are respectively positioned on two sides of the transformer body 3, the two clamping plates 9 are arranged by penetrating through the second opening, the external thread of the threaded rod 7 is composed of a first external thread and a second external thread which are, the two nuts 8 are respectively sleeved on the first external thread and the second external thread, the threaded rod 7 is provided with the nut 13, the nut 13 is positioned outside the fixing plate 6, the first external thread and the second external thread are arranged in opposite rotating directions, the threaded rod 7 can be rotated to drive the two clamping plates 9 to move in opposite directions, the two clamping plates 9 are matched to clamp the transformer main body 3, the nut 13 can lock the threaded rod 7, and the stability of the working state of the two clamping plates 9 is ensured;

the moving mechanism is provided with a heat dissipation mechanism, the moving mechanism comprises a moving plate 10 which is horizontally arranged, the moving plate 10 is provided with a strip-shaped through hole 11, the strip-shaped through hole 11 penetrates through the moving plate 10, the side wall of the heat dissipation shell 1 is fixedly connected with a driving motor 17, the output end of the driving motor 17 penetrates through the side wall of the heat dissipation shell 1 and is fixedly connected with a gear 12, the gear 12 is positioned in the strip-shaped through hole 11, both sides of the strip-shaped through hole 11 are provided with tooth grooves which are meshed with the gear 12, the gear 12 is a half gear, the heat dissipation mechanism comprises a refrigerator 14, the refrigerator 14 is movably clamped with the side wall of the moving plate 10, the output end of the refrigerator 14 is fixedly communicated with a hollow heat dissipation plate 15, the upper end of the heat dissipation plate 15 is provided with a plurality of heat dissipation holes, a second dust screen, the gear 12 rotates to drive the moving plate 10 to reciprocate, so as to drive the heat dissipation mechanism to reciprocate in the horizontal direction, the refrigerator 14 performs refrigeration, and cold air enters the heat dissipation plate 15 and then dissipates heat to the transformer main body 3 through the plurality of heat dissipation holes.

The utility model discloses in, because first external screw thread sets up to opposite with the second external screw thread soon, rotation threaded rod 7 can drive two splint 9 motion in opposite directions, make two splint 9 cooperations clip transformer main part 3, nut 13 can be with threaded rod 7 locking, guarantee two splint 9 operating condition's stability, driving motor 17 drives gear 12 and rotates, because gear 12 is the semi-gear, gear 12 rotates and to drive movable plate 10 reciprocating motion, thereby drive heat dissipation mechanism reciprocating motion on the horizontal direction, refrigerator 14 refrigerates, cool air dispels the heat via a plurality of radiating holes to transformer main part 3 after getting into heating panel 15.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dry-type power transformer heat abstractor, includes heat dissipation casing (1), its characterized in that, heat dissipation casing (1) is hollow structure, and the both ends of heat dissipation casing (1) all are equipped with the first opening with outside intercommunication, the both sides of heat dissipation casing (1) all are equipped with closing cap (2) that set up with first opening matching, be equipped with transformer main part (3) in heat dissipation casing (1), one side inner wall of heat dissipation casing (1) is equipped with the supplementary fixed establishment who sets up with transformer main part (3) matching, and the opposite side inner wall of heat dissipation casing (1) is equipped with moving mechanism, the last heat dissipation mechanism that is equipped with of moving mechanism.

2. The heat dissipation device for the dry-type power transformer as recited in claim 1, wherein two symmetrically disposed insertion rods (4) are fixedly connected to two opposite side walls of the sealing cover (2), and slots matching with the insertion rods (4) are disposed at both ends of the heat dissipation casing (1), and a first dust screen (5) is disposed on each of the two sealing covers (2), and each of the two first dust screens (5) is disposed through the sealing cover (2).

3. The heat dissipation device for the dry-type power transformer as recited in claim 1, wherein the auxiliary fixing mechanism comprises a hollow fixing plate (6), a horizontally arranged threaded rod (7) is rotatably connected in the fixing plate (6), the threaded rod (7) is arranged through the side wall of the fixing plate (6), two symmetrically arranged nuts (8) are sleeved on the threaded rod (7), vertically arranged clamping plates (9) are fixedly connected on the two nuts (8), the lower side wall of the fixing plate (6) is provided with a second opening matched with the two clamping plates (9), the two clamping plates (9) are respectively arranged at two sides of the transformer body (3), and the two clamping plates (9) are arranged through the second opening.

4. The heat dissipation device for the dry-type power transformer as recited in claim 1, wherein the moving mechanism comprises a horizontally disposed moving plate (10), the moving plate (10) is provided with a strip-shaped through hole (11), the strip-shaped through hole (11) is disposed through the moving plate (10), the side wall of the heat dissipation housing (1) is fixedly connected with a driving motor (17), the output end of the driving motor (17) penetrates through the side wall of the heat dissipation housing (1) and is fixedly connected with a gear (12), the gear (12) is disposed in the strip-shaped through hole (11), both sides of the strip-shaped through hole (11) are provided with tooth grooves engaged with the gear (12), and the gear (12) is a half gear.

5. The heat dissipation device for the dry-type power transformer as recited in claim 3, wherein the external thread of the threaded rod (7) is composed of a first external thread and a second external thread which are symmetrically arranged, the rotation directions of the first external thread and the second external thread are opposite, two nuts (8) are respectively sleeved on the first external thread and the second external thread, a nut (13) is arranged on the threaded rod (7), and the nut (13) is located outside the fixing plate (6).

6. The heat dissipation device of a dry-type power transformer as claimed in claim 4, wherein the heat dissipation mechanism comprises a refrigerator (14), the refrigerator (14) is movably clamped with the side wall of the movable plate (10), the output end of the refrigerator (14) is fixedly communicated with a hollow heat dissipation plate (15), the upper end of the heat dissipation plate (15) is provided with a plurality of heat dissipation holes, and the second dust screen (16) is movably clamped in each of the plurality of heat dissipation holes.