CN216818048U - Vehicle-mounted movable transformer - Google Patents
Vehicle-mounted movable transformer Download PDFInfo
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- CN216818048U CN216818048U CN202220582004.5U CN202220582004U CN216818048U CN 216818048 U CN216818048 U CN 216818048U CN 202220582004 U CN202220582004 U CN 202220582004U CN 216818048 U CN216818048 U CN 216818048U
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Abstract
The utility model discloses a vehicle-mounted movable transformer, which is characterized in that: the transformer comprises an iron core, and a low-voltage coil and a high-voltage coil which are sequentially sleeved on the iron core and are arranged in a transformer oil tank; an oil storage cabinet is installed on the upper portion of the outer side of a transformer oil tank, a low-voltage sleeve is installed on the upper portion of the outer side of the oil tank through a support, a cooling fin group is installed on the outer side face of the oil tank, a high-voltage sleeve which inclines upwards is installed at the bottom of one side of the outer portion of the oil tank, and a high-voltage neutral point sleeve which inclines upwards is installed at the bottom of the other side of the outer portion of the oil tank. The utility model has the advantages of small size, light weight, low loss, low noise, no maintenance, high speed, high flexibility, high safety and reliability, etc. The continuity and the quality of power supply are guaranteed, the increasing power demand is met, the operation cost and the maintenance cost are minimized, and meanwhile, the forced power-off frequency can be reduced, and the failure rate can be reduced.
Description
Technical Field
The utility model belongs to the field of transformers, and relates to a vehicle-mounted movable transformer.
Background
With the development of national economy, the demand of power supply is further expanded, and due to a plurality of uncertain factors such as electrical equipment maintenance, emergency rescue and relief, large-scale activities and the like, the requirements on the safety, reliability and continuity of electricity are a great subject.
Disclosure of Invention
The utility model provides the vehicle-mounted movable transformer which is simple in structure and convenient to use, and overcomes the defects of the prior art.
The technical scheme of the utility model is as follows:
the utility model provides a vehicle-mounted movable transformer which characterized by: the transformer comprises an iron core, and a low-voltage coil and a high-voltage coil which are sequentially sleeved on the iron core and are arranged in a transformer oil tank; an oil conservator is installed at the upper part of the outer side of the transformer oil tank, a low-voltage sleeve is installed at the upper part of the outer side of the oil tank through a support, a low-voltage lead in the low-voltage sleeve is connected with a low-voltage coil, and the low-voltage lead is led out from the upper part of the transformer; a radiating fin group is arranged on the outer side surface of the oil tank; the bottom of one side outside the oil tank is provided with an upward inclined high-voltage bushing, a high-voltage lead in the high-voltage bushing is connected with a high-voltage coil, and the high-voltage lead is led out from the lower part of the transformer; and a high-voltage neutral point sleeve which inclines upwards is arranged at the bottom of the other side outside the oil tank.
The transformer is fixedly arranged on the flat car, and a terminal box connected with the transformer is also arranged on the flat car; fixing holes are reserved on the periphery of the lower parts of the transformer oil tank and the terminal box and are firmly fixed through positioning bolts on the flat car; the ladder stand is installed to the oil tank outside facade of transformer for overhaul.
The oil conservator is oval and comprises a tank wall, a tank bottom plate, a tank cover plate, a connecting bottom plate, a capsule bag and a main pipe joint; the cabinet body comprises a left elliptic end plate, a right elliptic end plate, namely a cabinet bottom plate, a cabinet cover plate and an elliptic annular cabinet wall fixed between the two end plates; a capsule bag is arranged in the cabinet body and is connected with a breathing tube on the outer side of the cabinet body, the breathing tube is connected with an exhaust pipe on the cabinet body through a valve, and the breathing tube is connected with a central pipe joint on the upper part of the cabinet body; a circular operating hand hole is formed in the cabinet cover plate, and a cover plate is mounted on the operating hand hole; an oil level meter is arranged on the bottom plate of the cabinet; a main pipe joint is arranged at the lower part of the cabinet body and is used for being connected with a main oil pipe of the oil tank; the lower part of the oil conservator is fixedly connected with a bottom plate in a welding way, and the horizontal support legs connected with the bottom plate are connected with a transformer oil tank through bolts, so that the oil conservator is fixed on the transformer oil tank.
In the high-voltage bushing, a head outgoing line of the high-voltage coil is led out from the lower part of the high-voltage coil, an outlet pipe joint for leading out the high-voltage coil is welded at the lower part of the transformer oil tank, the outlet pipe joint is fixedly connected with a lead wire lifting seat through a flange plate and a bolt, a high-voltage lead is led out from the upper end of the lead wire lifting seat through an insulating bushing, and the insulating bushing is arranged inside the lead wire lifting seat through a bushing end part flange; the head outgoing line and the high-voltage lead are connected together through the wiring terminal and the bolt, the wiring terminal is firmly supported and installed in the lead lifting seat through a wood piece, a wire support frame used for fixing the wood piece is welded in the lead lifting seat, and the wire support frame and the wood piece are connected and fixed through the bolt.
The high-voltage coil and the low-voltage coil adopt winding modes with opposite winding directions, namely a mode with the same name and opposite ends.
The high-voltage bushing and the high-voltage neutral point bushing are fixedly connected with a transformer oil tank through a pull rod and a bolt respectively.
The utility model has the advantages of small size, light weight, low loss, low noise, no maintenance, high speed, high flexibility, high safety and reliability, etc. The continuity and the quality of power supply are guaranteed, the increasing power demand is met, the operation cost and the maintenance cost are minimized, and meanwhile, the forced power-off frequency can be reduced, and the failure rate can be reduced.
This on-vehicle portable transformer with the oil conservator of flat structure hugs closely the transformer body, greatly reduced transformer's height reduces the volume of transformer, more adapts to the site environment.
The vehicle-mounted movable transformer has the characteristics of compact structure, flexibility, convenience in operation and the like, is wide in application range, can generate great economic benefits and social benefits, and has very wide application prospects.
Drawings
The attached drawing is a structural schematic diagram of the utility model.
Fig. 1 and 2 are a front view and a right side view of the whole vehicle-mounted movable transformer, fig. 3 is a front view of a high-voltage bushing, and fig. 4 and 5 are a front view and a left side view of an oil conservator.
In fig. 1 and 2, 1 is an oil conservator, 2 is a low-voltage bushing, 3 is a high-voltage neutral point bushing, 4 is a cooling fin group, 5 is a terminal box, 6 is a flat car, 7 is a high-voltage bushing, 8 is a ladder, 9 is a transformer oil tank, 10 is a support and 11 is a pull rod.
In fig. 3, 101 high-voltage coil, 102 connecting terminal, 103 wooden piece, 104 high-voltage coil head outlet, 105 outlet pipe joint, 106 lead lifting seat, 107 high-voltage lead, 108 insulating sleeve, 113 flange plate and 114 sleeve end flange.
In fig. 4 and 5, 201 a central pipe connector, 204 a cabinet bottom plate, 206 a connecting bottom plate, 207 an oil discharge pipe, 208 a cabinet wall, 209 a cabinet cover plate, 211 a main pipe connector, 212 an oil level meter, 213 a breathing pipe, 214 a valve, 215 an exhaust pipe, 217 an operating hand hole and 218 a capsule bag.
Detailed Description
The attached drawing is an embodiment of the utility model.
The vehicle-mounted movable transformer comprises an iron core, and a low-voltage coil and a high-voltage coil which are sequentially sleeved on the iron core and are arranged in a transformer oil tank 9; an oil conservator 1 is installed at the upper part of the outer side of the transformer oil tank, a low-voltage sleeve 2 is installed at the upper part of the outer side of the oil tank through a support 10, a low-voltage lead in the low-voltage sleeve is connected with a low-voltage coil, and the low-voltage lead is led out from the upper part of the transformer; a radiating fin group 4 is arranged on the outer side surface of the oil tank; a high-voltage bushing 7 which inclines upwards is arranged at the bottom of one side outside the oil tank, a high-voltage lead in the high-voltage bushing is connected with a high-voltage coil, and the high-voltage lead is led out from the lower part of the transformer; and a high-voltage neutral point sleeve 3 which inclines upwards is arranged at the bottom of the other side outside the oil tank.
The transformer is fixedly arranged on the flat car 6, and the terminal box 5 connected with the transformer is also arranged on the flat car; fixing holes are reserved on the periphery of the lower parts of the transformer oil tank 9 and the terminal box and are firmly fixed through positioning bolts on the flat car; and a ladder stand 8 is arranged on the outer vertical surface of the transformer oil tank and used for maintenance.
The oil conservator is oval and comprises a cabinet wall 208, a cabinet bottom plate 204, a cabinet cover plate 209, a connecting bottom plate 206, a capsule bag 218 and a main pipe joint 211; the cabinet body comprises a left elliptic end plate, a right elliptic end plate, namely a cabinet bottom plate 204 and a cabinet cover plate 209, and an elliptic annular cabinet wall 208 fixed between the two end plates; a capsule bag 218 is arranged in the cabinet body, the capsule bag is connected with a breathing pipe 213 outside the cabinet body, the breathing pipe is connected with an exhaust pipe 215 on the cabinet body through a valve 214, and the breathing pipe is connected with a central pipe joint 201 on the upper part of the cabinet body; a circular operating hand hole 217 is formed in the cabinet cover plate 209, and a cover plate is installed on the operating hand hole; an oil level meter 212 is installed on the cabinet bottom plate; a main pipe joint 211 is arranged at the lower part of the cabinet body and is used for being connected with a main oil pipe of the oil tank; the lower part of the oil conservator is fixedly welded with a connecting bottom plate 206, and the horizontal support legs of the connecting bottom plate are connected with the transformer oil tank through bolts, so that the oil conservator is fixed on the transformer oil tank.
In the high-voltage bushing, a head outgoing line 104 of the high-voltage coil is led out from the lower part of a high-voltage coil 101, an outlet pipe joint 105 for leading out the high-voltage coil is welded at the lower part of a transformer oil tank, the outlet pipe joint is fixedly connected with a lead wire lifting seat 106 through a flange plate 113 and a bolt, a high-voltage lead 107 is led out from the upper end of the lead wire lifting seat through an insulating bushing 108, and the insulating bushing 108 is arranged in the lead wire lifting seat through a bushing end flange 114; the head outgoing line and the high-voltage lead are connected together through a wiring terminal 102 and a bolt, the wiring terminal is firmly supported and installed in the lead lifting seat through a wood piece 103, a wire support frame for fixing the wood piece is welded in the lead lifting seat, and the wire support frame and the wood piece are connected and fixed through the bolt.
The high-voltage coil and the low-voltage coil adopt winding modes with opposite winding directions, namely a mode with the same name and opposite ends.
The high-voltage bushing and the high-voltage neutral point bushing are fixedly connected with a transformer oil tank through a pull rod 11 and a bolt respectively.
This on-vehicle portable transformer comprises iron core, winding, ware body, lead wire, switch, oil tank, sleeve pipe, flatbed and secondary equipment, utilizes software program to carry out the analysis to electric field, magnetic field, temperature field and shock wave process through new technology, new technology instrument, determines optimum transformer structural parameter. The transformer iron core adopts a binding structure and is fixed into a whole by a clamping piece, the lower part of the iron core adopts six rigid positioning faces (front, back, left, right, upper and lower parts) and is firmly fixed at the bottom of the oil tank, the coil conducting wires adopt self-adhesive transposition conducting wires, the coils are integrally sleeved to ensure the integral strength and stability of the structure of the transformer body, the transformer body adopts a press nail structure after being sleeved into the iron core, a switch adopts a bracket and is fixed at the lower part of the oil tank, high voltage and neutral points are led out from the lower part of the oil tank, low voltage is led out at the end part of the transformer, two ends of the lead are firmly clamped by a wooden piece, the sleeve adopts a glass fiber reinforced plastic dry sleeve, the oil conservator adopts an oval structure and is arranged on the oil tank, fixing holes are reserved around the lower part of the oil tank of the transformer and are firmly fixed by positioning bolts on a flat car, the structural arrangement reduces the integral size of the transformer and increases the integral strength and stability of the transformer, the overall quality and performance of the transformer are improved.
Each winding of the transformer is of a continuous structure, semi-hard self-adhesive transposed conductors are used for line specification, mechanical strength is obviously improved after the windings are dried and solidified, the upper end portion and the lower end portion of the windings are compressed through formed insulating end rings, the outer portions of the windings are locked through formed supporting strips, and the mechanical strength of the windings is further improved, so that short-circuit impact resistance of the windings is improved.
The transformer calculation adopts software programs to analyze the processes of the electric field, the magnetic field, the temperature field and the shock wave, so as to determine the optimal transformer structure parameters and reduce the weight and the volume of the transformer to the minimum.
The high-voltage coil and the low-voltage coil adopt winding modes with opposite winding directions, namely a method with the same name ends reversed, the high-voltage lead is led out from the lower part of the transformer, and the low-voltage lead is led out from the upper part of the transformer, so that the overall height of the transformer is reduced, and the volume is further reduced.
The insulating sleeves in the high-voltage sleeve and the high-voltage neutral point sleeve are glass fiber reinforced plastic dry sleeves and are firmly fixed on the oil tank, and the oil tank and the transformer body are positioned by six rigid body surfaces (front, back, left, right, upper and lower), so that the transformer body and the oil tank are reliably fixed together, and the firmness and the stability of the transformer in the operation are improved.
The terminal box is used for connecting each outgoing line of the transformer to each terminal in the terminal box, and inserting a lead of an external electrical appliance or detection equipment into a corresponding terminal of the terminal box, so that the transformer can be conveniently connected for power supply or detection.
Claims (6)
1. The utility model provides a vehicle-mounted portable transformer, characterized by: the transformer comprises an iron core, and a low-voltage coil and a high-voltage coil which are sequentially sleeved on the iron core and are arranged in a transformer oil tank; an oil conservator is installed at the upper part of the outer side of the transformer oil tank, a low-voltage sleeve is installed at the upper part of the outer side of the oil tank through a support, a low-voltage lead in the low-voltage sleeve is connected with a low-voltage coil, and the low-voltage lead is led out from the upper part of the transformer; the bottom of one side outside the oil tank is provided with an upward inclined high-voltage bushing, a high-voltage lead in the high-voltage bushing is connected with a high-voltage coil, and the high-voltage lead is led out from the lower part of the transformer; the bottom of the other side outside the oil tank is provided with a high-voltage neutral point sleeve which inclines upwards; and a radiating fin group is arranged on the outer side surface of the oil tank.
2. The vehicle-mounted mobile transformer of claim 1, wherein: the transformer is fixedly arranged on the flat car, and a terminal box connected with the transformer is also arranged on the flat car; fixing holes are reserved on the periphery of the lower parts of the transformer oil tank and the terminal box and are firmly fixed through positioning bolts on the flat car; the ladder stand is installed to the oil tank outside facade of transformer for overhaul.
3. The vehicle-mounted mobile transformer according to claim 1 or 2, characterized in that: the oil conservator is oval and comprises a tank wall, a tank bottom plate, a tank cover plate, a connecting bottom plate, a capsule bag and a main pipe joint; the cabinet body comprises a left elliptic end plate, a right elliptic end plate, namely a cabinet bottom plate, a cabinet cover plate and an elliptic annular cabinet wall fixed between the two end plates; a capsule bag is arranged in the cabinet body and is connected with a breathing tube on the outer side of the cabinet body, the breathing tube is connected with an exhaust pipe on the cabinet body through a valve, and the breathing tube is connected with a central pipe joint on the upper part of the cabinet body; a circular operating hand hole is formed in the cabinet cover plate, and a cover plate is mounted on the operating hand hole; an oil level meter is installed on the bottom plate of the cabinet; a main pipe joint is arranged at the lower part of the cabinet body and is used for being connected with a main oil pipe of the oil tank; the lower part of the oil conservator is fixedly connected with a bottom plate in a welding way, and the horizontal support legs connected with the bottom plate are connected with a transformer oil tank through bolts, so that the oil conservator is fixed on the transformer oil tank.
4. The vehicle-mounted mobile transformer of claim 3, wherein: in the high-voltage bushing, a head outgoing line of the high-voltage coil is led out from the lower part of the high-voltage coil, an outlet pipe joint for leading out the high-voltage coil is welded at the lower part of the transformer oil tank, the outlet pipe joint is fixedly connected with a lead wire lifting seat through a flange plate and a bolt, a high-voltage lead is led out from the upper end of the lead wire lifting seat through an insulating bushing, and the insulating bushing is arranged inside the lead wire lifting seat through a bushing end part flange; the head outgoing line and the high-voltage lead are connected together through the wiring terminal and the bolt, the wiring terminal is firmly supported and installed in the lead lifting seat through a wood piece, a wire support frame used for fixing the wood piece is welded in the lead lifting seat, and the wire support frame and the wood piece are connected and fixed through the bolt.
5. The vehicle-mounted mobile transformer according to claim 1 or 2, characterized in that: the high-voltage coil and the low-voltage coil adopt winding modes with opposite winding directions, namely a mode with the same name and opposite ends.
6. The vehicle-mounted mobile transformer according to claim 1 or 2, characterized in that: the high-voltage bushing and the high-voltage neutral point bushing are fixedly connected with a transformer oil tank through a pull rod and a bolt respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220582004.5U CN216818048U (en) | 2022-03-17 | 2022-03-17 | Vehicle-mounted movable transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220582004.5U CN216818048U (en) | 2022-03-17 | 2022-03-17 | Vehicle-mounted movable transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216818048U true CN216818048U (en) | 2022-06-24 |
Family
ID=82045971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220582004.5U Active CN216818048U (en) | 2022-03-17 | 2022-03-17 | Vehicle-mounted movable transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216818048U (en) |
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2022
- 2022-03-17 CN CN202220582004.5U patent/CN216818048U/en active Active
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