CN220830187U - Single-phase capacity-regulating combined transformer - Google Patents
Single-phase capacity-regulating combined transformer Download PDFInfo
- Publication number
- CN220830187U CN220830187U CN202322366328.2U CN202322366328U CN220830187U CN 220830187 U CN220830187 U CN 220830187U CN 202322366328 U CN202322366328 U CN 202322366328U CN 220830187 U CN220830187 U CN 220830187U
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- 229910052573 porcelain Inorganic materials 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims 5
- 239000003985 ceramic capacitor Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Abstract
The utility model provides a single-phase capacity-regulating combined transformer, which solves the problems of high manufacturing cost and split line loss of a three-phase transformer in the prior art. The single-phase capacity-regulating combined transformer with the integrated design of the transformer and the power distribution cabinet can effectively reduce the consumption of low-voltage cables, thereby achieving the purpose of saving cost.
Description
Technical Field
The utility model relates to the field of transformers in power systems, in particular to a single-phase capacity-regulating combined transformer.
Background
The current three-phase transformer has wider application in the power distribution field, but the three-phase transformer has the defects of overlarge low-voltage power supply radius, serious line loss and more consumption of low-voltage cables. The conventional transformer adopts a split installation mode of the transformer and the power distribution cabinet, low-voltage outgoing lines of the transformer are connected with the power distribution cabinet by using a low-voltage cable, and the scheme has higher requirements on installation sites and increases the investment cost and the line loss at the same time of increasing the cable connection between the transformer and the power distribution cabinet. Therefore, the design of the single-phase capacity-regulating combined transformer with the capacity-regulating function and the integrated design of the transformer and the power distribution cabinet has important significance.
Disclosure of utility model
The utility model provides a single-phase capacity-regulating combined transformer, which solves the problems that in the prior art, a three-phase transformer is high in manufacturing cost, and the investment cost is increased and the line loss is increased due to the cable connection between the transformer and a power distribution cabinet.
The technical scheme of the utility model is realized as follows:
The utility model provides a single-phase volume-regulating combined transformer, includes casing, cabinet body, inlet wire unit, outlet wire unit, single-phase volume-regulating transformer, the side fixed connection of cabinet body and casing is in the same place, the cabinet body is separated into high-voltage chamber and low-voltage chamber through the baffle, be provided with inlet wire unit in the high-voltage chamber, inlet wire unit contains high-voltage porcelain bottle and inlet wire copper bar, high-voltage porcelain bottle one end links to each other with inlet wire copper bar, and the other end is with single-phase volume-regulating vary voltage
The high-voltage side of the device is connected, an outgoing line unit is arranged in the low-voltage chamber and comprises a low-voltage porcelain bottle, one end of the low-voltage porcelain bottle is connected with the low-voltage side of the single-phase capacity-regulating transformer, and the other end of the low-voltage porcelain bottle is led into the low-voltage chamber.
The high-voltage chamber is provided with shrouding and backup pad, the inlet wire unit still includes high-voltage live display and high-voltage live sensor, high-voltage live display sets up behind the shrouding, high-voltage live sensor one end hangs in the backup pad at high-voltage chamber top, and the other end links to each other with the inlet wire copper bar.
The low-voltage power supply is characterized in that the outgoing line unit comprises a low-voltage fuse, a lightning arrester, a circuit breaker, a controller and a low-voltage transformer, the low-voltage fuse and the circuit breaker are connected with each other through wires, one end of the lightning arrester is connected with the other end of the circuit of the protected equipment to be grounded, the low-voltage transformer is sleeved on a low-voltage porcelain bottle, one end of the controller is connected with a single-phase capacity-adjusting switch, and the other end of the controller is connected with the low-voltage transformer.
The shell is further provided with a heat radiating device, an oil level gauge and a temperature sensor base, the heat radiating device is arranged on one side, opposite to the connection side of the shell and the cabinet body, of the shell, and the oil level gauge and the temperature sensor base are arranged on the top of the shell.
The low-voltage chamber is characterized in that a cabinet door is arranged on one side of the low-voltage chamber, and a low-voltage fuse shielding plate is further arranged in the cabinet door and corresponds to the low-voltage fuse.
Compared with a three-phase transformer, the single-phase transformer has the advantage of more price, and the single-phase capacity-regulating combined transformer with the integrated design of the transformer and the power distribution cabinet can effectively reduce the consumption of low-voltage cables, thereby achieving the purpose of saving cost.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
fig. 2 is a schematic perspective view of a single-phase capacity-regulating transformer body;
FIG. 3 is a schematic perspective view of a high pressure chamber;
FIG. 4 is a schematic perspective view of a low pressure chamber;
Fig. 5 is a partial enlarged view of fig. 4.
Wherein: 1. the device comprises a shell, a cabinet body, a high-voltage chamber, a low-voltage chamber, a single-phase capacity-regulating switch, a single-phase capacity-regulating transformer body, a high-voltage porcelain bottle, a high-voltage live sensor, a high-voltage live display, a wire-in copper bar, a low-voltage porcelain bottle and a high-voltage live display, wherein the high-voltage live display is arranged in the shell, the cabinet body is arranged in the shell, the high-voltage chamber is arranged in the shell, the low-voltage chamber is arranged in the shell, the single-phase capacity-regulating switch is arranged in the shell, the single-phase capacity-regulating transformer body is arranged in the shell, the high-voltage porcelain bottle is arranged in the shell, the high-voltage live sensor is arranged in the shell, the high-voltage live display is arranged in the shell, the shell is arranged in the shell, the high-12, low-voltage fuse, 13, lightning arrester, 14, circuit breaker, 15, controller, 16, low-voltage fuse cover, 17, baffle, 18, radiator, 19, oil level gauge, 20, temperature sensor base, 21, backup pad, 22, low-voltage transformer, 23, cabinet door, 24.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, a single-phase capacity-regulating combined transformer comprises a shell 1, a cabinet 2, a single-phase capacity-regulating transformer, an incoming line unit and an outgoing line unit. The single-phase capacity-regulating transformer is arranged in the shell 1, comprises a single-phase capacity-regulating transformer body 6 and a single-phase capacity-regulating switch 5, wherein the single-phase capacity-regulating transformer body 6 is provided with a plurality of lead-out taps, the bottom of the single-phase capacity-regulating transformer body 6 is fixedly connected with the shell 1 through bolts, the single-phase capacity-regulating switch 5 is fixedly connected above the single-phase capacity-regulating transformer body 6 through bolts, and the single-phase capacity-regulating switch 5 is connected with the lead-out taps on different single-phase capacity-regulating transformer bodies 6, so that the number of turns of different transformer coils can be changed, and the voltage is changed. The cabinet body 2 is in the same place with the side fixed connection of casing 1, and the cabinet body 2 separates into high-pressure chamber 3 and low-pressure chamber 4 through baffle 17, is provided with the inlet wire unit in the high-pressure chamber 3, and the inlet wire unit contains high-voltage porcelain bottle 7 and inlet wire copper bar 10, and high-voltage porcelain bottle 7 passes the through-hole that casing 1 links to each other the side with cabinet body 2 and reserves, and one end links to each other with the high-pressure side of single-phase volume-regulating transformer in the casing 1, and the other end links to each other with the one end at the indoor inlet wire copper bar 10 of high pressure. The design of the high-voltage porcelain insulator 7 arranged in the high-voltage chamber 3 can improve the antifouling property, the waterproof property and the like of the high-voltage wire inlet part, thereby improving the use safety performance of the whole equipment. An outgoing line unit is arranged in the low-voltage chamber 4, the outgoing line unit comprises a low-voltage porcelain bottle 11, the low-voltage porcelain bottle 11 penetrates through a through hole reserved on the connecting side of the shell 1 and the cabinet body 2, and an outgoing line on the low-voltage side is led into the low-voltage chamber 4 from the shell 1 by the single-phase capacity-regulating transformer in the shell 1. The device is powered normally.
The high voltage chamber 3 contains a high voltage live display 9 and a high voltage live sensor 8. One end of the high-voltage live sensor 8 is hung on a supporting plate 21 at the top of the high-voltage chamber, the secondary insert of the high-voltage live sensor is connected with the high-voltage live display 9 through a wire, and the other end of the high-voltage live sensor is connected with the incoming wire copper bar 10 and is used for monitoring the live state of the high-voltage side and transmitting data to the high-voltage live display 9. The high-voltage electrified display 9 can indicate the electrified state of the high-voltage side of the single-phase capacity-regulating combined transformer after receiving the data transmitted by the high-voltage electrified sensor 8, and reminds operators and maintenance staff whether the high-voltage chamber 3 is electrified.
The low voltage chamber 4 also contains low voltage fuses 12, lightning arresters 13, circuit breakers 14 and the like. The low-voltage fuse 12, the lightning arrester 13 and the circuit breaker 14 are fixedly connected to the partition board through threads. The low voltage fuse 12 and the circuit breaker 14 are connected to each other by a wire, and the low voltage fuse 12 can cut off the circuit rapidly when the circuit is overloaded or short-circuited, so as to prevent the electrical equipment from being damaged or causing accidents such as fire. One end of the lightning arrester 13 is connected to the ground wire at the other end of the line of the protected equipment, the lightning arrester 13 discharges first when lightning impulse waves transmitted into the transformer substation along the line exceed the protection level of the lightning arrester, the lightning current is safely led into the ground through a good conductor, and the lightning voltage amplitude is limited below the lightning impulse level of the protected equipment by utilizing the grounding device, so that the electrical equipment is protected. The circuit breaker 14 can be short-circuited, overloaded, voltage-loss protected and can be connected to a device requiring electricity. The low-voltage chamber further comprises a controller 15, the controller is fixed on the partition 17 through threads, the controller 15 is connected with the single-phase capacity-regulating switch 5 through a wire, control of the single-phase capacity-regulating switch 5 is achieved, the controller 15 is further connected with a low-voltage transformer 22, the low-voltage transformer 22 is sleeved on one side in the low-voltage chamber 4 of the low-voltage porcelain bottle 11, the low-voltage transformer 22 senses current passing through the low-voltage porcelain bottle 11 and returns detected data to the controller 15, and the controller 15 can directly regulate the single-phase capacity-regulating switch 5 after receiving the data, so that the device is safer when in use. The cabinet door 23 is arranged on one side of the low-voltage chamber 4 opposite to the partition plate 17, the detachable low-voltage fuse shielding plate 16 is arranged on the cabinet door 23, the low-voltage fuse shielding plate 16 is connected to the cabinet door 23 through threads, the effect of protecting exposed conductive parts of the low-voltage fuse 12 is achieved, and the low-voltage fuse 12 is convenient to maintain and replace by later-stage staff.
Further, since the single-phase capacity-regulating transformer according to the present utility model needs to be immersed in oil, the present utility model further provides a heat dissipating device 18, an oil level gauge 19, and a temperature sensor base 20, where the heat dissipating device 18 is a fin-type heat sink in this example, and the heat dissipating device 18 is disposed on a side opposite to a side where the housing 1 is connected to the cabinet 2. The bottom of the oil level gauge 19 is soaked in oil in the shell 1, the top end of the oil level gauge is exposed in the air through a through hole reserved at the top of the shell 1, and whether the oil in the shell 1 is reduced can be observed through an oil level window formed in the exposed part of the oil level gauge 19. The bottom of the temperature sensor base 20 is also soaked in oil, the top end of the temperature sensor base 20 is exposed in the air through a through hole reserved in the top of the shell 1, and when the temperature sensor is used, the top cover of the temperature sensor base 20 is opened, and the temperature sensor is placed into the temperature sensor base 20 to measure the oil temperature. The intersection of the through hole reserved at the top of the shell 1, the oil level gauge 19 and the temperature sensor base 20 is required to be sealed by using a sealing ring, and the corresponding intersection of the through hole reserved at the connecting side of the shell 1 and the cabinet 2, which is penetrated by the high-voltage porcelain insulator 7 and the low-voltage porcelain insulator 10, is also required to be sealed by using a sealing ring.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a single-phase accent holds combination formula transformer, includes casing (1), cabinet body (2), inlet wire unit, outlet wire unit, single-phase accent holds transformer, its characterized in that: the novel high-voltage ceramic capacitor is characterized in that the cabinet body (2) is fixedly connected with the side face of the shell (1), the cabinet body (2) is divided into a high-voltage chamber (3) and a low-voltage chamber (4) through a partition plate (17), a wire inlet unit is arranged in the high-voltage chamber (3), the wire inlet unit comprises a high-voltage ceramic bottle (7) and a wire inlet copper bar (10), one end of the high-voltage ceramic bottle (7) is connected with the wire inlet copper bar (10), the other end of the high-voltage ceramic bottle is connected with the high-voltage side of the single-phase capacity-regulating transformer, a wire outlet unit is arranged in the low-voltage chamber (4), one end of the low-voltage ceramic bottle (11) is connected with the low-voltage side of the single-phase capacity-regulating transformer, and the other end of the low-voltage ceramic bottle is led into the low-voltage chamber (4).
2. The single-phase capacity-regulating combined transformer according to claim 1, wherein: the high-voltage chamber (3) is provided with a sealing plate (24) and a supporting plate (21), the incoming line unit further comprises a high-voltage live display (9) and a high-voltage live sensor (8), the high-voltage live display (9) is arranged behind the sealing plate (24), one end of the high-voltage live sensor (8) is hung on the supporting plate (21) at the top of the high-voltage chamber (3), and the other end of the high-voltage live sensor is connected with the incoming line copper bar (10).
3. The single-phase capacity-regulating combined transformer according to claim 1, wherein: the wire outlet unit further comprises a low-voltage fuse (12), a lightning arrester (13), a circuit breaker (14), a controller (15) and a low-voltage transformer (22), wherein the low-voltage fuse (12) and the circuit breaker (14) are connected with each other through wires, one end of the lightning arrester (13) is connected with the other end of the ground wire in a circuit of protected equipment, the low-voltage transformer (22) is sleeved on the low-voltage porcelain bottle (11), one end of the controller (15) is connected with the single-phase capacity-regulating switch (5), and the other end of the controller is connected with the low-voltage transformer (22).
4. The single-phase capacity-regulating combined transformer according to claim 1, wherein: the oil level meter is characterized in that the shell (1) is further provided with a heat radiating device (18), an oil level meter (19) and a temperature sensor base (20), the heat radiating device (18) is arranged on one side, opposite to the connection side of the shell (1) and the cabinet body (2), of the shell, and the oil level meter (19) and the temperature sensor base (20) are arranged on the top of the shell (1).
5. The single-phase capacity-regulating combined transformer according to claim 1, wherein: one side of the low-voltage chamber (4) is provided with a cabinet door (23), and a low-voltage fuse shielding plate (16) is further arranged in the cabinet door (23) and at a position corresponding to the low-voltage fuse (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322366328.2U CN220830187U (en) | 2023-09-01 | 2023-09-01 | Single-phase capacity-regulating combined transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322366328.2U CN220830187U (en) | 2023-09-01 | 2023-09-01 | Single-phase capacity-regulating combined transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220830187U true CN220830187U (en) | 2024-04-23 |
Family
ID=90727117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322366328.2U Active CN220830187U (en) | 2023-09-01 | 2023-09-01 | Single-phase capacity-regulating combined transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220830187U (en) |
-
2023
- 2023-09-01 CN CN202322366328.2U patent/CN220830187U/en active Active
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