Noise-reduction dry-type transformer

Abstract

The utility model provides a noise reduction dry-type transformer which comprises a shell, a main machine block is fixedly installed in an inner cavity of the shell, a noise reduction base is fixedly connected to the bottom of the main machine block, fan-shaped cavities are formed in the positions, on the front side of the main machine block, in the noise reduction base, and the fan-shaped cavities are communicated with the main machine block. And a guide connecting pipe is fixedly mounted at the bottom of an inner cavity of the fan-shaped cavity, a wedge-shaped rod is slidably connected to an inner cavity of the guide connecting pipe, and transmission gears are rotationally connected to the left side and the right side of the guide connecting pipe correspondingly. According to the noise-reducing dry-type transformer, the number of the noise-reducing plates for reducing noise can be adaptively adjusted according to the running noise of the host block, the wave-shaped heat dissipation airflow grooves are formed in the noise-reducing plates, and the foam aluminum plates and the aluminum layers are cooperatively used for conducting and dissipating heat; and therefore, the practical performance of the equipment is improved while efficient noise reduction is achieved, and the heat conduction and dissipation efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry -type transformer technical field, concretely is a kind of dry -type transformer of noise reduction. BACKGROUND

[0002] At present, dry-type transformer for factory workshop machine tool and other places is used, because its operation noise is too large, thus it needs to be designed to reduce noise inside, general dry-type transformer will adopt certain thickness of noise reduction board to the area generating noise to carry out closed type unified noise reduction treatment, this makes that noise reduction mechanism cannot be adjusted adaptively with the size of noise, thicker noise reduction board will absorb accumulated heat, resulting in the practical performance of equipment reduces, heat cannot be removed quickly and effectively. SUMMARY

[0003] To solve the above general dry-type transformer in the process of use, there is the problem of poor practical performance of noise reduction, low heat conduction removal efficiency, realize above in efficient noise reduction while improving the practical performance of equipment, further improve the purpose of heat conduction removal efficiency, the utility model is realized by the following technical scheme: a kind of dry -type transformer of noise reduction, including shell, the inner chamber of the shell is fixedly installed main machine block, the bottom of the main machine block is fixedly connected with noise reduction seat, the inside of the noise reduction seat the front side of the main machine block is all set with fan-shaped cavity, the inner chamber bottom of the fan-shaped cavity is fixedly installed with guide pipe, the inner chamber of the guide pipe is slidably connected with wedge-shaped rod, the left and right sides of the guide pipe are all rotatably connected with transmission gear, the transmission gear is set with arc slot, the inner wall of the guide pipe is slidably inserted with elastic strip extending to the transmission gear, the left and right sides of the guide pipe are rotatably connected with noise reduction board, the inside of the noise reduction board is set with airflow groove, the front end of the noise reduction board is fixedly bonded with foam aluminum plate, the bottom of the noise reduction seat is rotatably connected with heat dissipation rotating shaft, the periphery of the heat dissipation rotating shaft is rotatably connected with symmetrical telescopic column, the bottom inner chamber of the heat dissipation rotating shaft is slidably connected with guide block, the guide block and the telescopic column are movably connected with hinged rod, the top of the guide block is rotatably connected with top rod extending to the wedge-shaped rod.

[0004] Further, the side of the fan-shaped cavity close to the main machine block is set with corresponding through slot, so as to facilitate selecting corresponding number of noise reduction boards to shield through slot according to needs.

[0005] Further, the top of the fan-shaped cavity is designed with aluminum layer corresponding to the foam aluminum plate, so as to facilitate heat removal between foam aluminum plate and aluminum layer when noise reduction board is deflected to top.

[0006] Further, the rear end of the wedge-shaped rod is provided with a wedge surface corresponding to the ejector rod, and a clamping groove corresponding to the ejector rod is formed in the wedge surface, so that the wedge-shaped rod is extruded by the ejector rod.

[0007] Further, the surface of the elastic strip is rotatably connected with a guide pin extending into the arc-shaped slot, so that the elastic strip is displaced outward under the extrusion of the wedge-shaped rod, and the transmission gear is deflected.

[0008] Further, the inner wall of the noise reduction plate is provided with a tooth groove corresponding to the transmission gear, and the transmission gear is meshingly connected with the tooth groove, so that the noise reduction plate can be adjusted.

[0009] Further, the noise reduction plates corresponding to the transmission gears are staggered on the left and right sides of the guide pipe, so that the noise reduction plates can be controlled to be gradually closed from the side close to the host block, and the noise reduction degree is improved.

[0010] Further, the air flow groove is designed in a wave shape and extends through the noise reduction plate and the foam aluminum plate, so that the air flow can be moved to dissipate heat, and the noise can be absorbed by the noise reduction plate and the foam aluminum plate.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The noise reduction dry-type transformer, the heat dissipation shaft is adjusted in direct proportion to the running power of the host block, when the speed of the heat dissipation shaft is greater, the telescopic column on it is longer under inertia, the corresponding hinged rod pulls the guide block to make the ejector rod move upward, the distance that the wedge-shaped rod moves forward is greater, and when the running power of the host block increases, the noise also increases, when the wedge-shaped rod is displaced, the elastic strip is extruded to deflect the transmission gear, so that the noise reduction plate is deflected on the side close to the host block to shield and block the through slot for efficient noise reduction, so that the number of noise reduction plates blocking the through slot is adaptively adjusted with the change of the power of the host block, so that the heat dissipation efficiency of the equipment is not affected by too many noise reduction plates, and the practicality of the equipment is improved while the noise is efficiently reduced.

[0013] 2. The noise reduction dry-type transformer, the air flow groove designed in a wave shape is formed in the noise reduction plate, so that the noise passing through the air flow groove can be effectively absorbed by the inner wall of the noise reduction plate and the foam aluminum plate when propagating with air, the air flow channel can also exchange the air inside and outside the host block, and the heat is dissipated in time, and when the corresponding noise reduction plate is deflected to the inner cavity top of the fan-shaped cavity to block the through slot, the foam aluminum plate on the noise reduction plate also abuts against the aluminum layer of the inner cavity top of the fan-shaped cavity, so that the heat conduction and dissipation efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1It is a main sectional view of the utility model;

[0015] Figure 2 It is a left sectional view of the connecting part of the noise reduction plate of the utility model;

[0016] Figure 3 It is a left sectional view of the connecting part of the wedge-shaped rod of the utility model;

[0017] Figure 4 It is a front sectional view of the connecting part of the heat dissipation rotating shaft of the utility model;

[0018] Figure 5 It is a front sectional view of the connecting part of the ejector rod of the utility model;

[0019] Figure 6 It is Figure 1 It is an enlarged view of A in the middle.

[0020] In the figure: 1, shell; 2, main machine block; 3, noise reduction seat; 4, fan-shaped cavity; 5, guide pipe; 6, wedge-shaped rod; 7, transmission gear; 8, arc-shaped slot; 9, elastic strip; 10, noise reduction plate; 11, air flow groove; 12, foam aluminum plate; 13, heat dissipation rotating shaft; 14, telescopic column; 15, guide block; 16, hinged rod; 17, ejector rod. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] The implementation of the noise reduction dry-type transformer is as follows:

[0023] Please refer to Figures 1-6The utility model provides a kind of dry-type transformer of noise reduction, including shell 1, the inner cavity of shell 1 is fixedly installed with main block 2, the bottom of main block 2 is fixedly connected with noise reduction seat 3, the inside main block 2 of noise reduction seat 3 is all equipped with fan-shaped cavity 4 in front side, fan-shaped cavity 4 is equipped with corresponding through slot on the side close to main block 2, to facilitate the corresponding number of noise reduction plate 10 is selected according to the need to shield sound of through slot, the top of fan-shaped cavity 4 is designed with the aluminum layer corresponding to foamed aluminum plate 12, to facilitate noise reduction plate 10 deflection to top, so that foamed aluminum plate 12 and aluminum layer between connection carry out heat removal, the inner cavity of fan-shaped cavity 4 is fixedly installed with guide pipe 5, the inner cavity of guide pipe 5 is slidably connected with wedge-shaped rod 6, the rear end of wedge-shaped rod 6 is equipped with the wedge surface corresponding to top rod 17 and is equipped with the clamping groove on wedge surface and top rod 17 adaptation, to facilitate the extrusion of spring strip 9 by top rod 17 up migration driven wedge-shaped rod 6, the left and right sides of guide pipe 5 are rotatably connected with transmission gear 7, arc slot 8 is equipped on transmission gear 7, spring strip 9 is slidably inserted into the inner wall of guide pipe 5 and extends to transmission gear 7, the surface of spring strip 9 is rotatably connected with guide pin and extends to arc slot 8, to facilitate the extrusion of spring strip 9 by wedge-shaped rod 6 and outward displacement, driven transmission gear 7 deflection, the left and right sides of guide pipe 5 are rotatably connected with noise reduction plate 10, the inner wall of noise reduction plate 10 is equipped with the tooth slot corresponding to transmission gear 7, and transmission gear 7 is engagedly connected with tooth slot, to facilitate the adjustment of noise reduction plate 10, the left and right sides of guide pipe 5 are staggered design respectively corresponding transmission gear 7 to noise reduction plate 10, to facilitate the control of noise reduction plate 10 on the side close to main block 2 starts to converge gradually, improves the degree of noise reduction, the inside of noise reduction plate 10 is equipped with airflow groove 11, airflow groove 11 is wave-shaped design and it penetrates noise reduction plate 10 and foamed aluminum plate 12, to facilitate airflow movement heat dissipation, while, noise can be absorbed by noise reduction plate 10 and foamed aluminum plate 12, the front end of noise reduction plate 10 is fixedly bonded with foamed aluminum plate 12, by being equipped with airflow groove 11 and being wave-shaped design on noise reduction plate 10, the noise passing through airflow groove 11 can be effectively absorbed by the inner wall of noise reduction plate 10 and foamed aluminum plate 12 when propagating with air, and airflow passage can also make the inside and outside air of main block 2 exchange, heat is removed in time, and when corresponding noise reduction plate 10 deflection to the inner cavity top of fan-shaped cavity 4 blocks through slot, foamed aluminum plate 12 on noise reduction plate 10 also abuts the aluminum layer of the inner cavity top of fan-shaped cavity 4, to further improve the heat conduction removal efficiency.

[0024] The bottom of the noise reduction seat 3 is rotationally connected with a heat dissipation rotating shaft 13, the outer periphery of the heat dissipation rotating shaft 13 is rotationally connected with symmetrical telescopic columns 14, the bottom inner cavity of the heat dissipation rotating shaft 13 is slidingly connected with a guide block 15, the guide block 15 and the telescopic column 14 are movably connected with a hinged rod 16, the top of the guide block 15 is rotationally connected with a top rod 17 extending to the wedge-shaped rod 6, the heat dissipation efficiency is proportionally adjusted according to the operating power of the host block 2 through the heat dissipation rotating shaft 13, when the rotating speed of the heat dissipation rotating shaft 13 is greater, the telescopic column 14 on it is longer under inertia, the corresponding hinged rod 16 pulls the guide block 15 to make the top rod 17 move upward, the distance that the wedge-shaped rod 6 moves forward is greater, and because the operating power of the host block 2 increases, the noise also increases, when the wedge-shaped rod 6 moves, the transmission gear 7 is deflected by corresponding compression of the elastic strip 9, so that the noise reduction plate 10 starts to deflect on the side close to the host block 2 to shield and block the through slot for efficient noise reduction, so that the number of noise reduction plates 10 blocking the through slot is also adaptively adjusted with the change of the power of the host block 2, so as to avoid excessive noise reduction plates 10 from affecting the heat dissipation efficiency of the equipment, so that the practical performance of the equipment is improved while the noise is efficiently reduced.

[0025] In use, the heat dissipation rotating shaft 13 for loading the fan is used to proportionally adjust the heat dissipation efficiency according to the operating power of the host block 2, when the operating power of the host block 2 is greater, the rotating speed of the heat dissipation rotating shaft 13 is greater, the telescopic column 14 on it is longer under inertia, the corresponding hinged rod 16 pulls the guide block 15 to make the top rod 17 move upward, the distance that the wedge-shaped rod 6 moves forward is greater, and because the operating power of the host block 2 increases, the noise also increases, so the displacement distance of the wedge-shaped rod 6 and the operating noise of the host block 2 change in proportion, when the wedge-shaped rod 6 moves, the transmission gear 7 is deflected by corresponding compression of the elastic strip 9, so that the noise reduction plate 10 starts to deflect on the side close to the host block 2 to shield and block the through slot for efficient noise reduction, so that the number of noise reduction plates 10 blocking the through slot is also adaptively adjusted with the change of the power of the host block 2, so as to avoid excessive noise reduction plates 10 from affecting the heat dissipation efficiency of the equipment, so that the practical performance of the equipment is improved while the noise is efficiently reduced, in addition, the air flow groove 11 in a wave shape is formed on the noise reduction plate 10, so that the noise passing through the air flow groove 11 can be effectively absorbed by the inner wall of the noise reduction plate 10 and the foam aluminum plate 12 when it propagates with the air, the air flow channel can also enable the air inside and outside the host block 2 to be exchanged, and the heat is dissipated in time, and when the corresponding noise reduction plate 10 deflects to the inner cavity top of the fan-shaped cavity 4 to block the through slot, the foam aluminum plate 12 on the noise reduction plate 10 also abuts against the aluminum layer of the inner cavity top of the fan-shaped cavity 4, so as to further improve the heat conduction and dissipation efficiency.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dry-type noise-reducing transformer comprising a housing (1), characterized in that: The inner cavity of the shell (1) is fixedly installed with a main machine block (2), the bottom of the main machine block (2) is fixedly connected with a noise reduction seat (3), the front side of the main machine block (2) is provided with a fan-shaped cavity (4) in the inside of the noise reduction seat (3), the inner cavity bottom of the fan-shaped cavity (4) is fixedly installed with a guide pipe (5), the inner cavity of the guide pipe (5) is slidably connected with a wedge-shaped rod (6), the left and right sides of the guide pipe (5) are rotatably connected with a transmission gear (7), the transmission gear (7) is provided with an arc-shaped groove (8), the inner wall of the guide pipe (5) is slidably inserted with a elastic strip (9) extending to the transmission gear (7), the left and right sides of the guide pipe (5) are rotatably connected with a noise reduction plate (10), the inside of the noise reduction plate (10) is provided with an air flow groove (11), the front end of the noise reduction plate (10) is fixedly bonded with a foam aluminum plate (12), the bottom of the noise reduction seat (3) is rotatably connected with a heat dissipation rotating shaft (13), the periphery of the heat dissipation rotating shaft (13) is rotatably connected with symmetrical telescopic columns (14), the bottom inner cavity of the heat dissipation rotating shaft (13) is slidably connected with a guide block (15), the guide block (15) and the telescopic column (14) are movably connected with a hinged rod (16), the top of the guide block (15) is rotatably connected with a top rod (17) extending to the wedge-shaped rod (6); The side of the fan-shaped cavity (4) close to the main machine block (2) is provided with a corresponding through groove; The top of the fan-shaped cavity (4) is designed with an aluminum layer corresponding to the foam aluminum plate (12); The rear end of the wedge-shaped rod (6) is provided with a wedge surface corresponding to the top rod (17) and a clamping groove corresponding to the top rod (17) is formed in the wedge surface.

2. A dry-type noise-reduced transformer according to claim 1, characterized in that: The surface of the elastic strip (9) is rotatably connected with a guide pin extending into the arc-shaped groove (8).

3. A dry-type noise-reduced transformer according to claim 1, characterized in that: The inner wall of the noise reduction plate (10) is provided with a gear slot corresponding to the transmission gear (7).

4. A dry-type noise-reduced transformer according to claim 1, characterized in that: The noise reduction plate (10) is staggered designed on the left and right sides of the guide pipe (5) corresponding to the transmission gear (7) respectively.

5. A dry-type noise-reduced transformer according to claim 1, characterized in that: The air flow groove (11) is designed in a wave shape and penetrates the noise reduction plate (10) and the foam aluminum plate (12).

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