Rectifier transformer

Abstract

The utility model discloses a rectifier transformer which comprises a rectifier and a transformer box arranged at the upper end of the rectifier, two layering plates are arranged in the transformer box, a plurality of wiring holes are formed in the surfaces of the layering plates, rectifier diodes are arranged in the transformer box, and a plurality of outer magnetic coils are fixedly installed in the transformer box. A conjugate iron core is fixedly installed in the outer magnetic coil, a rectifier diode transmits alternating currents of two adjacent magnetic circuits into the conjugate iron core in a unified mode for voltage reduction, currents are conducted into the conjugate iron core through the outer magnetic coil, and the conjugate iron core can effectively reduce leakage flux and avoid electromagnetic loss. Alternating currents obtained after voltage reduction of each layer of conjugate iron core is completed are connected in series through the wire connecting holes and transmitted into the rectifier to convert the alternating currents into direct currents for power supply, multiple transformers do not need to be arranged to work at the same time, the transformer structure is more simplified by adopting the magnetic shunt structure mode, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a rectifier transformer. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage.

[0003] In the power equipment industry, transformers are crucial current changing devices used to control current and voltage. There are many types of transformers on the market, and the most commonly used are rectifier transformers. However, traditional rectifier transformers often require multiple transformers to be combined to transmit current and thus achieve changes in AC voltage. The structure is relatively complex and the production cost is high. There are great limitations in large-scale use.

[0004] Therefore, we provide a rectifier transformer. Utility Model Content

[0005] The purpose of this utility model is to provide a rectifier transformer to solve the above-mentioned technical problems, so as to achieve the effect of simplifying the structure and reducing the cost.

[0006] In view of this, the present invention provides a rectifier transformer, comprising a rectifier and a transformer box arranged at the upper end of the rectifier, wherein two layered plates are arranged inside the transformer box, and a plurality of connection holes are opened on the surface of the layered plates. A rectifier diode is arranged inside the transformer box, and a plurality of external magnetic coils are fixedly installed inside the transformer box, and a conjugate iron core is fixedly installed inside the external magnetic coil.

[0007] Preferably, several conductive plates are provided inside the transformer box, a rectifier diode is fixedly mounted on the upper end of the conductive plate, two magnetic shunt connection holes are provided on the surface of the external magnetic coil, and the external magnetic coil is located at the connection gap of the rectifier diode.

[0008] Preferably, a plurality of through holes are provided on one side surface of the transformer box, and a heat dissipation grille is provided on one side surface of the transformer box.

[0009] Preferably, a rotating rod is rotatably mounted on one side surface of the transformer box, an octagonal nut is fixedly mounted on the upper end of the rotating rod, a box door is fixedly mounted on the surface of the rotating rod, the box door is located on one side of the transformer box, and a knob handle is fixedly mounted on the upper surface of the box door.

[0010] Preferably, an assembly plate is fixedly mounted on the upper end of the rectifier, a plurality of power connection plates are fixedly mounted on the upper end of the assembly plate, the transformer box is fixedly mounted on the upper end of the assembly plate, and the power connection plates are located on both sides of the transformer box.

[0011] Preferably, a fixing component is fixedly mounted on the upper end of the assembly plate, a conduction rod is fixedly mounted on the upper end of the conduction rod, and a receiving device is fixedly mounted on the upper end of the conduction rod.

[0012] Preferably, an I-shaped assembly frame is fixedly mounted on the lower surface of the rectifier, oil tanks are fixedly mounted on both side surfaces of the rectifier, and heat dissipation pipes are fixedly mounted on both side surfaces of the rectifier.

[0013] Compared with the prior art, the present invention provides a rectifier transformer with the following features:

[0014] Beneficial effects:

[0015] 1. In the present invention, the rectifier diodes uniformly transmit the alternating currents of the two adjacent magnetic circuits to the conjugate iron core for voltage reduction. The current is conducted to the conjugate iron core through the external magnetic coil. The conjugate iron core can effectively reduce the leakage magnetic flux and avoid electromagnetic loss. The alternating current after voltage reduction of each layer of the conjugate iron core is connected in series through the connecting holes and transmitted to the inside of the rectifier to convert the alternating current into direct current for power supply. There is no need to set up multiple transformers to work simultaneously. The magnetic shunt structure makes the transformer structure simpler and the manufacturing cost is reduced.

[0016] 2. The utility model can fix the rectifier diode on the upper end of the conductive plate arranged inside the transformer box, thereby providing electrical conductivity for the installation carrier. The magnetic shunt connection hole is arranged on the surface of the outer magnetic coil, and the magnetic shunt silicon steel sheet can be inserted from the left and right sides respectively. The original conjugate iron core flip core inverted coil method is not adopted, which simplifies the structure and saves manufacturing costs. Through the through holes opened on the surface of one side of the transformer box, the through holes are relatively spaced apart by each layer of the layered plates inside the transformer box, and the electrical wires can be connected through the through holes to the inside of the transformer box, thereby achieving the effect of through connection. The heat dissipation grille provided can allow the internal air of the transformer box to circulate, thereby avoiding spontaneous combustion inside the transformer box due to high temperature.

[0017] 3. The utility model can achieve a fixed installation effect by using an I-shaped assembly frame fixedly installed on the lower surface of the rectifier, so that the entire device is off the ground and does not contact the ground. The oil tank is provided, and transformer oil is injected into the oil tank, which will transport the oil to the inside of the transformer box, so that the outer magnetic coil and the conjugate iron core are immersed in the transformer oil, which has an insulating and heat dissipating effect. The external winding provided has good heat resistance and can conduct electricity when the transformer is connected to current, thereby achieving a conductive effect.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural diagram of a rectifier transformer proposed in the utility model;

[0020] Figure 2 This is a schematic diagram of the external winding structure of a rectifier transformer proposed in the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of a transformer box of a rectifier transformer proposed in the utility model;

[0022] Figure 4 This is a schematic diagram of the conjugate iron core structure of a rectifier transformer proposed by the utility model.

[0023] In the figure: 1. Rectifier; 2. Oil tank; 3. Heat dissipation pipe; 4. Fixing assembly; 5. Conducting rod; 6. Receiving device; 7. Transformer box; 8. Insertion hole; 9. Box door; 10. Power board; 11. Rotating rod; 12. Octagonal nut; 13. Assembly board; 14. External magnetic coil; 15. Magnetic shunt connection hole; 16. Conjugate iron core; 17. I-shaped assembly frame; 18. Heat dissipation grille; 19. Layered plate; 20. Conductive plate; 21. Rectifier diode; 22. Connection hole; 23. Knob handle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] Embodiment 1: A rectifier transformer, such as Figures 1-4As shown, it includes a rectifier 1 and a transformer box 7 arranged at the upper end of the rectifier 1. Two layered plates 19 are arranged inside the transformer box 7. A plurality of connection holes 22 are opened on the surface of the layered plates 19. A rectifier diode 21 is arranged inside the transformer box 7. A plurality of external magnetic coils 14 are fixedly installed inside the transformer box 7. A conjugate iron core 16 is fixedly installed inside the external magnetic coil 14. At the beginning of the production of the rectifier transformer, in order to simplify the structure of the transformer, the rectifier transformer is divided into two structures, namely the rectifier 1 and the transformer box 7. Two layered plates 19 are arranged inside the transformer box 7, and the interior of the transformer box 7 is divided into a three-layer space structure. A rectifier diode 21 is fixedly installed inside each layer. When the current enters the rectifier, the rectifier diode 21 is fixedly installed inside the rectifier. The current is then conducted inside the diode 21 to the inside of the conjugate core 16. The rectifier diode 21 will uniformly transmit the two adjacent magnetic circuit alternating currents to the inside of the conjugate core 16 for voltage reduction. The current will be conducted to the conjugate core 16 through the external magnetic coil 14. The conjugate core 16 can effectively reduce the leakage magnetic flux and avoid electromagnetic loss. The alternating current after voltage reduction of each layer of the conjugate core 16 is connected in series through the connection holes 22 opened on the surface of the layered plate 19, and transmitted to the inside of the rectifier 1 located below to convert the alternating current after voltage reduction into direct current for power supply. There is no need to set up multiple transformers to work simultaneously. The magnetic shunt structure makes the transformer structure simpler and the manufacturing cost is reduced.

[0027] like Figures 1-4 As shown, the interior of the transformer box 7 is provided with a plurality of conductive plates 20, and a rectifier diode 21 is fixedly installed on the upper end of the conductive plate 20. Two magnetic shunt connection holes 15 are provided on the surface of the external magnetic coil 14. The external magnetic coil 14 is located at the connection gap of the rectifier diode 21. A plurality of insertion holes 8 are provided on one side surface of the transformer box 7. A heat dissipation grille 18 is provided on one side surface of the transformer box 7. By providing the conductive plate 20 inside the transformer box 7, the rectifier diode 21 can be fixedly installed on its upper end, which provides the effect of electrical conduction of the installation carrier. The magnetic shunt connection hole 15 is provided on the outer magnetic coil 14. On the surface of the coil 14, the magnetic shunt silicon steel sheets can be inserted from the left and right sides respectively, and the flip core inverted coil method of the original conjugate iron core 16 is not adopted, which simplifies the structure and saves manufacturing costs. Through the insertion hole 8 opened on the surface of one side of the transformer box 7, the insertion hole 8 is relative to each layer of space separated by the layered plate 19 inside the transformer box 7, and the electrical connection wire can be connected through the insertion hole 8 to the interior of the transformer box 7, thereby achieving the effect of penetrating connection. The heat dissipation grille 18 is provided to allow the internal air of the transformer box 7 to circulate, thereby avoiding spontaneous combustion inside the transformer box 7 due to high temperature.

[0028] like Figures 1-4As shown, a rotating rod 11 is rotatably mounted on one side of the transformer box 7, an octagonal nut 12 is fixedly mounted on the upper end of the rotating rod 11, a box door 9 is fixedly mounted on the surface of the rotating rod 11, the box door 9 is located on one side of the transformer box 7, a knob handle 23 is fixedly mounted on the upper surface of the box door 9, an assembly plate 13 is fixedly mounted on the upper end of the rectifier 1, a plurality of power boards 10 are fixedly mounted on the upper end of the assembly plate 13, a transformer box 7 is fixedly mounted on the upper end of the assembly plate 13, the power boards 10 are located on both sides of the transformer box 7, and when the box door 9 on one side of the transformer box 7 needs to be opened, the knob handle 23 is used. 3 drives the box door 9 to rotate on the side surface of the transformer box 7 by the rotating rod 11, and the box door 9 is displaced and rotated upward to realize the opening of the box door 9 of the transformer box 7. The octagonal nut 12 can fix the rotating rod 11 to prevent position displacement during the rotation process. The assembly plate 13 can provide a mounting carrier and can conduct the current converted inside the transformer box 7 to the inside of the rectifier 1. The existence of the power board 10 can connect the DC power converted by the transformer box 7 to the wires through the power board 10 to achieve the power supply effect.

[0029] Embodiment 2: A rectifier transformer, such as Figures 1-4 As shown, a fixing component 4 is fixedly installed on the upper end of the assembly plate 13, a conducting rod 5 is fixedly installed on the upper end of the fixing component 4, and a receiving device 6 is fixedly installed on the upper end of the conducting rod 5. By fixing the fixing component 4 fixedly installed on the upper end of the assembly plate 13, the conducting rod 5 can be fixed, and the receiving device 6 can be fixedly installed on the upper end of the conducting rod 5. The receiving device 6 is used to receive signals and transmit electrical signals through the conducting rod 5.

[0030] like Figures 1-4 As shown, an I-shaped assembly frame 17 is fixedly installed on the lower surface of the rectifier 1, and an oil tank 2 is fixedly installed on both side surfaces of the rectifier 1. Heat dissipation pipes 3 are fixedly installed on both side surfaces of the rectifier 1. The I-shaped assembly frame 17 fixedly installed on the lower surface of the rectifier 1 can achieve a fixed installation effect, so that the entire device is off the ground and does not contact the ground. The oil tank 2 is provided, and transformer oil is injected into the oil tank 2, which will transport the oil to the inside of the transformer box 7, so that the outer magnetic coil 14 and the conjugate iron core 16 are immersed in the transformer oil, which has an insulating and heat dissipating effect. The heat dissipation pipe 3 is provided, which has good heat resistance. When the transformer is connected to current, the rectifier 1 can be physically cooled and dissipated, thereby achieving a heat dissipation effect.

[0031] Working principle: At the beginning of the production of the rectifier transformer, in order to simplify the structure of the transformer, the rectifier transformer is divided into two structures, namely the rectifier 1 and the transformer box 7, and two layered plates 19 are set inside the transformer box 7, and the inside of the transformer box 7 is divided into a three-layer space structure, and a rectifier diode 21 is fixedly installed inside each layer. After the current enters the inside of the rectifier diode 21, the current is conducted to the inside of the conjugate iron core 16. The rectifier diode 21 will uniformly transmit the alternating current of the two adjacent magnetic circuits to the inside of the conjugate iron core 16 for voltage reduction. The current will be conducted to the conjugate iron core 16 through the outer magnetic coil 14. The conjugate iron core 16 can effectively reduce the leakage magnetic flux and avoid electromagnetic loss. Through the connection holes 22 opened on the surface of the layered plate 19, each The alternating current after the voltage reduction of the layered conjugate core 16 is connected in series and transmitted to the inside of the rectifier 1 located below to convert the alternating current after the voltage reduction into direct current for power supply. There is no need to set up multiple transformers to work at the same time. The magnetic shunt structure makes the transformer structure simpler and the manufacturing cost is reduced. The conductive plate 20 set inside the transformer box 7 can be fixedly installed on its upper end to provide the electrical conductivity of the installation carrier. The magnetic shunt connection hole 15 is set on the surface of the outer magnetic coil 14. The magnetic shunt silicon steel sheet can be inserted from the left and right sides respectively. The flip core inverted coil method of the original conjugate core 16 is not adopted, which simplifies the structure and saves manufacturing costs. By opening a hole on the surface of one side of the transformer box 7, the rectifier diode 21 can be fixed on the upper end to provide electrical conductivity for the installation carrier. The magnetic shunt connection hole 15 is set on the surface of the outer magnetic coil 14. The magnetic shunt silicon steel sheet can be inserted from the left and right sides respectively. The flip core inverted coil method of the original conjugate core 16 is not adopted, which simplifies the structure and saves manufacturing costs. The through holes 8 are arranged, and the through holes 8 are relative to each layer of space separated by the layered plates 19 inside the strain relief box 7. The electrical connection wires can be connected through the through holes 8 to the inside of the transformer box 7, thereby achieving the effect of through connection. The heat dissipation grille 18 is provided, and the internal air of the transformer box 7 can be circulated to avoid spontaneous combustion inside the transformer box 7 due to high temperature. When the box door 9 on one side surface of the transformer box 7 needs to be opened, the box door 9 is driven by the knob handle 23 to rotate the rotating rod 11 on one side surface of the transformer box 7, and the box door 9 is rotated upward to realize the opening of the box door 9 of the transformer box 7. The octagonal nut 12 is provided to fix the rotating rod 11 to avoid position displacement during the rotation process. The assembly plate 13 is provided to provide a mounting carrier and to conduct the current converted inside the transformer box 7 to the inside of the rectifier 1. The presence of the power connection board 10 enables the DC power converted by the transformer box 7 to be connected by wires through the power connection board 10 to achieve the power supply effect. The I-shaped assembly frame 17 is fixedly installed on the lower surface of the rectifier 1, which can achieve the effect of fixed installation so that the entire device is off the ground and does not contact the ground. The oil tank 2 is provided, and transformer oil is injected into the oil tank 2, which will transport the oil to the inside of the transformer box 7, so that the outer magnetic coil 14 and the conjugate iron core 16 are immersed in the transformer oil, which has an insulating and heat dissipating effect. The heat pipe 3 is provided to physically cool the rectifier 1 and dissipate heat, thereby achieving a heat dissipation effect.

[0032] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rectifier transformer, comprising a rectifier (1) and a transformer box (7) arranged at the upper end of the rectifier (1), characterized in that: Two layered plates (19) are provided inside the transformer box (7), a plurality of connection holes (22) are provided on the surface of the layered plates (19), a rectifier diode (21) is provided inside the transformer box (7), a plurality of external magnetic coils (14) are fixedly installed inside the transformer box (7), and a conjugate iron core (16) is fixedly installed inside the external magnetic coils (14).

2. A rectifier transformer according to claim 1, characterized in that: A plurality of conductive plates (20) are provided inside the transformer box (7), a rectifier diode (21) is fixedly mounted on the upper end of the conductive plate (20), two magnetic shunt connection holes (15) are provided on the surface of the external magnetic coil (14), and the external magnetic coil (14) is located at the connection gap of the rectifier diode (21).

3. A rectifier transformer according to claim 2, characterized in that: A plurality of insertion holes (8) are provided on one side surface of the transformer box (7), and a heat dissipation grille (18) is provided on one side surface of the transformer box (7).

4. A rectifier transformer according to claim 1, characterized in that: A rotating rod (11) is rotatably mounted on one side surface of the transformer box (7), an octagonal nut (12) is fixedly mounted on the upper end of the rotating rod (11), a box door (9) is fixedly mounted on the surface of the rotating rod (11), the box door (9) is located on one side of the transformer box (7), and a knob handle (23) is fixedly mounted on the upper surface of the box door (9).

5. The rectifier transformer according to claim 1, characterized in that: An assembly plate (13) is fixedly mounted on the upper end of the rectifier (1), a plurality of power connection plates (10) are fixedly mounted on the upper end of the assembly plate (13), the transformer box (7) is fixedly mounted on the upper end of the assembly plate (13), and the power connection plates (10) are located on both sides of the transformer box (7).

6. A rectifier transformer according to claim 5, characterized in that: A fixing assembly (4) is fixedly mounted on the upper end of the assembly plate (13), a conduction rod (5) is fixedly mounted on the upper end of the conduction rod (5), and a receiving device (6) is fixedly mounted on the upper end of the conduction rod (5).

7. The rectifier transformer according to claim 1, characterized in that: An I-shaped assembly frame (17) is fixedly mounted on the lower surface of the rectifier (1), an oil tank (2) is fixedly mounted on both side surfaces of the rectifier (1), and a heat dissipation pipe (3) is fixedly mounted on both side surfaces of the rectifier (1).

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