Energy-saving three-phase rectifier transformer

Abstract

The utility model discloses an energy-saving three-phase rectifier transformer, which relates to the technical field of transformers and comprises a main body, the main body comprises an iron core, and a winding coil is sleeved on the outer side of the iron core; air cooling fans are arranged at the upper end and the lower end of the main body, and an air channel allowing air to flow in one direction is formed between the air cooling fans at the upper end and the lower end; a heat dissipation sleeve is installed on the outer side of the winding coil in a sleeving mode, the heat dissipation sleeve is located in the air channel, a heat diffusion component is arranged in the sleeve wall of the heat dissipation sleeve, the heat diffusion component is connected with an oil liquid circulation assembly, and the oil liquid circulation assembly conveys heat conduction oil into the heat diffusion component in a circulation mode. When the main body operates and is used, heat dissipated by the main body can be transmitted into the heat dissipation sleeve in real time, the heat can be dissipated into the air more quickly under the action of the oil liquid circulation assembly, the heat diffusion component, the air cooling fan and the air channel, and the heat dissipation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field especially relates to a kind of energy-saving three-phase rectifier transformer. BACKGROUND

[0002] Three-phase rectifier transformer is widely used in production and life, it is a special type of transformer, mainly used to convert alternating current into direct current, and provide voltage rectification and boost or buck function in the process, through rectification process, three-phase rectifier transformer converts alternating current into direct current, which is particularly important for power electronic equipment requiring direct current source, when three-phase rectifier transformer itself runs, a certain amount of heat will be generated, and heat will cause three-phase rectifier transformer itself parts to be damaged, thereby causing the output current to be blocked, affecting output efficiency, increasing energy loss.

[0003] The existing three-phase rectifier transformer is generally more widely used in small and medium-sized transformers in the selection of model, and the three-phase rectifier transformer is generally optimized in design, so that it can be used energy-saving, and in order to consider the maintenance cost and the convenience of subsequent maintenance, the transformer is generally cooled by air cooling, but the existing air cooling method is only equipped with fan blades on the side of the transformer, when the ambient temperature is high, the heat dissipation effect of the fan blade is poor, thereby affecting the output efficiency of the three-phase rectifier transformer, increasing the energy consumption, and being not conducive to the requirement of energy-saving use.

[0004] Therefore, it is urgent to improve the energy-saving three-phase rectifier transformer to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of energy-saving three-phase rectifier transformer, solve the problem of the existing transformer air cooling method mentioned in background art only fan blade is equipped with on the side of the transformer and the poor heat dissipation effect.

[0006] The utility model adopts the following technical solutions:

[0007] The utility model relates to a kind of energy-saving three-phase rectifier transformer, including main body, the main body includes iron core, the winding coil is sleeved outside the iron core, the upper and lower ends of the main body are provided with air cooling fan, and the air cooling fan of upper and lower ends forms the air duct of wind power unidirectional flow between;

[0008] The winding coil outside sleeve installation is equipped with heat dissipation sleeve, the heat dissipation sleeve is located in the air duct, the sleeve wall of the heat dissipation sleeve is provided with heat diffusion component, the heat diffusion component is connected with oil circulation assembly, and the oil circulation assembly circulates and transports heat-conducting oil into the heat diffusion component.

[0009] Further, the inner side wall of the heat dissipation sleeve is provided with a heat conduction layer, and an inner side surface of the heat conduction layer is in contact with the outer surface of the winding coil.

[0010] Further, the outer side wall of the heat dissipation sleeve is provided with a plurality of heat dissipation fins arranged along the air direction of the air duct.

[0011] Further, the heat diffusion member is a cavity or a coil pipe.

[0012] Further, the oil circulation assembly comprises an oil tank, the oil tank is provided with heat-conducting oil, and the oil tank is provided with an output conduit and an input conduit on two sides, the input conduit is provided with a pump body, the input conduit is communicated with an oil inlet of the heat diffusion member, and the output conduit is communicated with an oil outlet of the heat diffusion member.

[0013] Further, the air cooling fan is arranged on a support, the support comprises a top support and a bottom support, the top support is fixed to the upper end of the main body, and the air cooling fan arranged above is fixedly connected to the top of the top support, and the bottom support is fixed to the lower end of the main body, and the air cooling fan arranged below is fixedly connected to the bottom of the bottom support.

[0014] Further, the support further comprises a base, and the base is arranged at the bottom of the air cooling fan arranged below.

[0015] Further, the output end of the main body is provided with a current sensor for measuring and sensing the output current of the main body, and the current sensor is fixedly connected to the top support.

[0016] Compared with the prior art, the energy-saving three-phase rectifier transformer has the beneficial technical effects that:

[0017] The heat dissipation sleeve and the oil circulation assembly are designed on the main body, when the main body is in operation, the heat emitted from the main body is transmitted into the heat dissipation sleeve in real time, the heat emitted from the local heat dissipation sleeve is evenly distributed on the whole heat dissipation sleeve through the oil circulation assembly and the heat diffusion member, and the heat distributed on the heat dissipation sleeve is emitted into the air under the action of the air cooling fan and the air duct, so that the air cooling mode with only the air cooling fan is compared, the heat dissipation efficiency is higher, and the use requirement of the energy-saving three-phase rectifier transformer is more favorable. BRIEF DESCRIPTION OF DRAWINGS

[0018] The energy-saving three-phase rectifier transformer will be further described below in combination with the drawings.

[0019] Figure 1 Fig. 1 is a structural schematic view of the energy-saving three-phase rectifier transformer of the present application.

[0020] Figure 2The utility model discloses energy -conserving three -phase rectifier transformer's iron core and winding coil structure schematic diagram.

[0021] Figure 3 The utility model discloses energy -conserving three -phase rectifier transformer's heat dissipation sleeve isomorphic side sectional structure schematic diagram.

[0022] Figure 4 The utility model discloses energy -conserving three -phase rectifier transformer's output conduit schematic diagram.

[0023] Figure 5 The utility model discloses energy -conserving three -phase rectifier transformer's front view.

[0024] Figure mark explanation: 1, support, 1-1, top frame, 1-2, bottom frame, 1-3, base, 2, main body, 2-1, iron core, 2-2, winding coil, 3, air -cooled fan, 4, air duct, 5, heat dissipation sleeve, 5-1, heat conducting layer, 5-2, heat dissipation fin, 6, oil circulation assembly, 6-1, oil tank, 6-2, output conduit, 6-3, input conduit, 6-4, pump body, 7, heat diffusion component, 8, current sensor. DETAILED DESCRIPTION

[0025] In order to make the technical problem, technical scheme and beneficial effect that the utility model wants to solve more clearly clear, following combining with the drawing and example, this utility model carries out further detailed explanation.

[0026] As Figure 1 And Figure 2 The utility model discloses energy -conserving three -phase rectifier transformer, including main body 2, and main body 2 is energy -conserving three -phase rectifier transformer ontology, and energy -conserving three -phase rectifier transformer is prior art equipment, and do not repeat the description. Main body 2 includes iron core 2-1, and each iron core 2-1 outside is equipped with winding coil 2-2. The iron core 2-1 of this embodiment is provided with three.

[0027] As Figure 1 、 Figure 2 And Figure 5 As shown, the upper and lower ends of main body 2 are provided with air-cooled fans 3, and the air-cooled fans 3 form an air duct 4 for unidirectional flow of wind power between them. 。 The air outlet of the air-cooled fan 3 at the bottom of the main body 2 faces the air duct 4, and the air inlet of the air-cooled fan 3 at the top of the main body 2 faces the air duct 4, so that the heat emitted by the main body 2 can be quickly dissipated into the air under the action of the air duct 4.

[0028] The outer side of the winding coil 2-2 is sleeved with a heat dissipation sleeve 5, and the heat dissipation sleeve 5 is located in the air duct 4. The sleeve wall of the heat dissipation sleeve 5 is provided with a heat diffusion member 7, and the heat diffusion member 7 is connected with an oil circulation assembly 6. The oil circulation assembly 6 circulates and delivers heat-conducting oil into the heat diffusion member 7. When the main body 2 is in use, the heat emitted from the main body 2 is evenly distributed on the heat dissipation sleeve 5 through the action of the oil circulation assembly 6 and the heat diffusion member 7, and then the heat distributed on the heat dissipation sleeve 5 is emitted into the air under the action of the air cooling fan 3 and the air duct 4.

[0029] As shown in Figure 3 , in the embodiment, the inner side wall of the heat dissipation sleeve 5 is provided with a heat-conducting layer 5-1, and the inner side of the heat-conducting layer 5-1 is in contact with the outer surface of the winding coil 2-2, so as to achieve better heat absorption effect. Among them, in order to increase the heat absorption effect of the heat dissipation sleeve 5 on the winding coil 2-2, the heat-conducting layer 5-1 can adopt the existing technology of lipid substances. The outer side wall of the heat dissipation sleeve 5 is provided with a plurality of heat dissipation fins 5-2, and the heat dissipation fins 5-2 are arranged along the wind direction of the air duct 4. The heat dissipation fins 5-2 increase the heat dissipation area of the outer surface of the heat dissipation sleeve 5, and improve the heat dissipation effect of the heat dissipation sleeve 5.

[0030] As shown in Figure 1 , Figure 3 and Figure 4As shown, the heat diffusion member 7 is a cavity or a coil, in this embodiment, the heat diffusion member 7 is provided as an oil cavity 7-1 of a cavity, the oil cavity 7-1 is arranged in the sleeve wall of the heat sink 5, and the oil cavity 7-1 is communicated with the oil circulation assembly 6. As a way to realize the communication between the oil cavity 7-1 and the oil circulation assembly 6, in this embodiment, the oil cavity 7-1 is provided with an oil inlet and an oil outlet, and the oil circulation assembly 6 includes an oil tank 6-1, the oil tank 6-1 is provided with heat conducting oil, the oil tank 6-1 can be communicated with the outside and receive the heat conducting oil input from the outside, thereby achieving the purpose of replacing the heat conducting oil at any time. The oil tank 6-1 is fixedly connected to the chassis 1-2, and the oil tank 6-1 is provided with an output conduit 6-2 and an input conduit 6-3 on both sides, the input conduit 6-3 is provided with a pump body 6-4, the input conduit 6-3 is communicated with the oil inlet of the oil cavity 7-1, and the output conduit 6-2 is communicated with the oil outlet of the oil cavity 7-1. Under the action of the pump body 6-4, the heat conducting oil in the oil tank 6-1 is introduced into the oil cavity 7-1 through the input conduit 6-3, and after the oil cavity 7-1 is filled with heat conducting oil, the heat conducting oil will absorb the heat on the heat sink 5 and keep the temperature on the heat sink 5 in a constant region. When needed, the heat conducting oil in the oil cavity 7-1 is guided out to the oil tank 6-1 by the output conduit 6-2. When the winding coil 2-2 is locally heated, the heat conducting layer 5-1 in contact with the part will conduct heat to the heat conducting oil of the oil cavity 7-1, and the heat conducting oil will be evenly distributed on the heat sink 5 after flowing, and will be cooled by the cooling fins 5-2, thereby improving the cooling effect of the heat sink 5.

[0031] As shown in Figure 4 and Figure 5 The air cooling fan 3 is arranged on the support 1, and the support 1 includes a top support 1-1 and a bottom support 1-2, and the top support 1-1 is fixedly connected to the upper end of the main body 2. The air cooling fan 3 arranged above the main body 2 is fixedly connected to the top of the top support 1-1. The bottom support 1-2 is fixedly connected to the lower end of the main body 2, and the air cooling fan 3 arranged below the main body 2 is fixedly connected to the bottom of the bottom support 1-2. The support 1 further includes a base 1-3 arranged at the bottom of the air cooling fan 3 arranged below.

[0032] The output end of the main body 2 is provided with a current sensor 8 for measuring and sensing the output current of the main body 2, and the current sensor 8 is fixedly connected to the top support 1-1. The current sensor 8 is a prior art device structure, and will not be described in detail. In the present application, it can measure and monitor the voltage and current of the main body 2 in real time, and convert these information into standard output signals, thereby providing reliable data support for the stable operation of the power system. When the main body 2 is heated and the parts are damaged, the output current of the main body 2 will be affected, and the effect will be detected by the current sensor 8 and uploaded to the background system of the main body 2, and finally the operator is informed, and the operator makes corresponding subsequent treatment accordingly.

[0033] like Figures 1 to 5 As shown, the working principle of the utility model is as follows:

[0034] When the main body 2 is in operation, the heat emitted from the main body 2 is transferred to the heat dissipation sleeve 5 in real time, and the heat on the heat dissipation sleeve 5 is transferred to the heat-conducting oil in the oil chamber 7-1. The heat-conducting oil flows under the action of the pump body 6-4, the input conduit 6-3, and the output conduit 6-2, so that the heat generated locally by the winding coil 2-2 is evenly distributed on the heat dissipation sleeve 5 and the heat dissipation fins 5-2. At the same time, under the action of the air-cooling fan 3 and the air duct 4, the heat distributed on the heat dissipation sleeve 5 is dissipated into the air. During this process, the current sensor 8 provided on the main body 2 detects the output of the main body 2. When it finds that the output current is unstable, it promptly sends a warning message to avoid excessive loss of the output current of the main body 2, thereby losing the energy-saving function.

[0035] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. An energy-saving three-phase rectifier transformer, comprising a main body (2), wherein the main body (2) comprises an iron core (2-1), and a winding coil (2-2) is sleeved on the outer side of the iron core (2-1), characterized in that: Air cooling fans (3) are provided at the upper and lower ends of the main body (2), and an air duct (4) for unidirectional air flow is formed between the air cooling fans (3) at the upper and lower ends; A heat dissipation sleeve (5) is sleeved and installed on the outer side of the winding coil (2-2); the heat dissipation sleeve (5) is located in the air duct (4); a heat diffusion component (7) is provided in the sleeve wall of the heat dissipation sleeve (5); the heat diffusion component (7) is connected to an oil circulation component (6); and the oil circulation component (6) circulates heat-conducting oil to the heat diffusion component (7).

2. The energy-saving three-phase rectifier transformer according to claim 1, characterized in that: A heat-conducting layer (5-1) is provided on the inner side wall of the heat-dissipating sleeve (5), and the inner side surface of the heat-conducting layer (5-1) is in contact with the outer surface of the winding coil (2-2).

3. The energy-saving three-phase rectifier transformer according to claim 1, characterized in that: The outer side wall of the heat dissipation sleeve (5) is provided with a plurality of heat dissipation fins (5-2), and the heat dissipation fins (5-2) are arranged along the wind direction of the air duct (4).

4. The energy-saving three-phase rectifier transformer according to claim 1, characterized in that: The heat diffusion component (7) is a cavity or a coil.

5. The energy-saving three-phase rectifier transformer according to claim 4, characterized in that: The oil circulation assembly (6) comprises an oil tank (6-1), heat-conducting oil is arranged in the oil tank (6-1), an output conduit (6-2) and an input conduit (6-3) are arranged on both sides of the oil tank (6-1), a pump body (6-4) is arranged on the input conduit (6-3), the input conduit (6-3) is communicated with the oil inlet of the heat diffusion component (7), and the output conduit (6-2) is communicated with the oil outlet of the heat diffusion component (7).

6. The energy-saving three-phase rectifier transformer according to claim 1, characterized in that: The air-cooling fan (3) is arranged on a bracket (1), and the bracket (1) comprises a top frame (1-1) and a bottom frame (1-2), the top frame (1-1) is fixed to the upper end of the main body (2), and the air-cooling fan (3) located above is fixedly connected to the top of the top frame (1-1); The base frame (1-2) is fixed to the lower end of the main body (2), and the air-cooling fan (3) located below is fixedly connected to the bottom of the base frame (1-2).

7. The energy-saving three-phase rectifier transformer according to claim 6, characterized in that: The bracket (1) further comprises a base (1-3), and the base (1-3) is arranged at the bottom of the air-cooling fan (3) located below.

8. The energy-saving three-phase rectifier transformer according to claim 6, characterized in that: The output end of the main body (2) is provided with a current sensor (8) for measuring and sensing the output current of the main body (2), and the current sensor (8) is fixedly connected to the top frame (1-1).

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