CN211788447U - Vacuum arc-extinguishing capacity-regulating voltage-regulating transformer - Google Patents

Abstract

The utility model relates to the technical field of transformer devices, and discloses a vacuum arc-extinguishing capacity-regulating voltage-regulating transformer, which comprises a transformer body, wherein a control cabinet is fixedly arranged at the front side of the transformer body, a fixed plate is fixedly arranged at the top parts of the transformer body and the control cabinet, and an electricity-stealing prevention protective shell is fixedly arranged at the left side of the top part of the fixed plate; through the connecting column, a gap is formed between the control cabinet and the transformer body, and direct contact is avoided, so that the heat dissipation effect on the transformer body is increased, and the capacity and voltage regulating switch in the oil tank is automatically adjusted, so that the loss of the transformer is effectively reduced, and the cost is reduced; through the cooperation use of measurement current transformer and circuit breaker, make its operation that can be stable for a long time, through the low pressure compensation compartment that sets up, realize the hierarchical meticulous reactive automatic compensation of phase splitting, use through the cooperation of terminal with communication SIM draw-in groove, can realize wireless long-range power cut-off, carry out automated control, conveniently use and control.

Description

Vacuum arc-extinguishing capacity-regulating voltage-regulating transformer

Technical Field

The utility model relates to a potential device technical field specifically is vacuum arc extinguishing is transferred and is held voltage regulating transformer.

Background

For a long time, the rural power grid in China has the characteristics of load dispersion, strong seasonality, low average load rate, large line loss with different power supply radiuses, large line loss and unstable voltage, and can be used for realizing and achieving the purposes of further reducing the no-load loss and the no-load current of the transformer, stabilizing the power supply voltage and improving the power supply quality, and meeting the current and power quality requirements within the next several years. The on-load automatic capacity and voltage regulating transformer is a special transformer designed according to the characteristics of rural power grids, and can completely meet the requirements of rural power grids. Although the on-load capacity-regulating voltage-regulating transformer is a mature technology, according to specific conditions, the capacity and the voltage of the on-load capacity-regulating transformer cannot be automatically changed in the existing on-load capacity-regulating transformer, the on-load capacity-regulating voltage-regulating switch is mechanical, has a complex structure, more parts and components and a high failure rate, contacts are directly immersed in transformer oil, arc extinction is carried out by the transformer oil, the transformer oil is seriously ablated, the volume is large, the cost is high, and the occupied space for installation is large, so that the on-load capacity-regulating transformer cannot meet the requirement of a user for automatically changing the use capacity and the output voltage of the on-load capacity-regulating voltage-regulating transformer in an on-load.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a vacuum arc extinguishing is transferred and is held voltage regulating transformer has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: vacuum arc extinguishing capacity-regulating voltage-regulating transformer, including the transformer body, the fixed switch board that is provided with in transformer body front side, the fixed plate that is provided with in transformer body and switch board top, the fixed electricity-stealing prevention protective housing that is provided with in the top left side of fixed plate, lie in fixed high-voltage terminal and the low-voltage terminal that is provided with on the fixed plate of electricity-stealing prevention protective housing inside, high-voltage terminal and low-voltage terminal crisscross arrangement, the fixed plate upper surface lies in the electricity-stealing prevention protective housing right side is fixed and is provided with the oil tank, the switch board is inside to be separated into first cavity, second cavity, third cavity and fourth cavity by first baffle and second baffle, the both ends of first baffle respectively with the left and right sides wall fixed connection of switch board, the second baffle with first baffle sets up perpendicularly, just the both ends of second baffle respectively with the inner wall top and the, the second chamber is located on the right side of the first chamber, a third chamber is arranged below the second chamber, and a fourth chamber is arranged on the left side of the third chamber.

Preferably, a liquid level meter is fixedly arranged on the oil tank.

Preferably, the inside fixed ammeter that is provided with of first cavity, the inside fixed measurement current transformer that is provided with of second cavity, the fixed condenser that is provided with of third cavity inside, the fixed outage protector that is provided with in upper left side of condenser, the fixed terminal that is provided with in below of outage protector, be provided with on the terminal and paste the strip, it is provided with the communication SIM draw-in groove to paste the strip below, the inside fixed low pressure compensation room that is provided with of fourth cavity.

Preferably, the left side and the right side of the transformer body are respectively provided with a plurality of radiating pipes at equal intervals.

Preferably, the bottom of the transformer body is fixedly provided with support legs.

Preferably, the front side of the transformer body is fixedly connected with the control cabinet through a connecting column.

The utility model discloses possess following beneficial effect:

1. this vacuum arc extinguishing is transferred and is held voltage regulating transformer, through the spliced pole, be formed with the clearance between switch board and the transformer body, direct contact has been avoided, prevent that heat direct transfer from giving the back of switch board, lead to the heat to give off not going out, and give off inefficiency, thereby help increasing the radiating effect to the transformer body, through the inside accent of oil tank holds voltage regulating switch automatic adjustment, thereby effectively reduce transformer loss, the energy of great solution, reduce cost.

2. This vacuum arc extinguishing is transferred and is held voltage regulating transformer, cooperation through measurement current transformer and circuit breaker is used, has promoted the stability of transformer body operation, makes its operation that can be stable for a long time, through the low-voltage compensation compartment that sets up, realizes the hierarchical meticulous reactive automatic compensation of phase-splitting, uses through the cooperation of terminal and communication SIM draw-in groove, can realize wireless long-range power transmission of stopping, carries out automated control, conveniently uses and controls.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the control cabinet of the present invention;

fig. 3 is a side view of the transformer body and the control cabinet of the present invention.

In the figure: 1. a transformer body; 2. a control cabinet; 3. a fixing plate; 4. an electricity larceny prevention protective shell; 5. a high-voltage wiring terminal; 6. a low-voltage wiring terminal; 7. an oil tank; 8. a first separator; 9. a second separator; 10. a first chamber; 11. a second chamber; 12. a third chamber; 13. a fourth chamber; 14. a liquid level meter; 15. an electricity meter; 16. a metering current transformer; 17. a capacitor; 18. a power-off protector; 19. a terminal; 20. a bonding strip; 21. a communication SIM card slot; 22. a low pressure compensation chamber; 23. a radiating pipe; 24. a support leg; 25. connecting columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a vacuum arc-extinguishing capacity-regulating voltage-regulating transformer comprises a transformer body 1, a control cabinet 2 is fixedly arranged on the front side of the transformer body 1, a fixing plate 3 is fixedly arranged on the top of the transformer body 1 and the control cabinet 2, an electricity-stealing prevention protective shell 4 is fixedly arranged on the left side of the top of the fixing plate 3, a high-voltage binding post 5 and a low-voltage binding post 6 are fixedly arranged on the fixing plate 3 positioned in the electricity-stealing prevention protective shell 4, the high-voltage binding post 5 and the low-voltage binding post 6 are arranged in a staggered manner, an oil tank 7 is fixedly arranged on the upper surface of the fixing plate 3 positioned on the right side of the electricity-stealing prevention protective shell 4, the interior of the control cabinet 2 is divided into a first chamber 10, a second chamber 11, a third chamber 12 and a fourth chamber 13 by a first partition plate 8 and a second partition, and both ends of the second partition board 9 are respectively fixedly connected with the top and the bottom of the inner wall of the control cabinet 2, the second chamber 11 is positioned at the right side of the first chamber 10, the third chamber 12 is arranged below the second chamber 11, and the fourth chamber 13 is arranged at the left side of the third chamber 12.

Wherein, the oil tank 7 is fixedly provided with a liquid level meter 14, and the liquid level meter 14 is convenient for observing the change of the whole oil level.

An electric meter 15 is fixedly arranged in the first chamber 10, a metering current transformer 16 is fixedly arranged in the second chamber 11, a capacitor 17 is fixedly arranged in the third chamber 12, a power-off protector 18 is fixedly arranged on the upper left side of the capacitor 17, a terminal 19 is fixedly arranged below the power-off protector 18, a pasting strip 20 is arranged on the terminal 19, a communication SIM card slot 21 is arranged below the pasting strip 20, and a low-voltage compensation chamber 22 is fixedly arranged in the fourth chamber 13.

Wherein, transformer body 1 left and right sides equidistance respectively is provided with a plurality of cooling tubes 23, is convenient for dispel the heat to transformer body 1.

Wherein, the bottom of the transformer body 1 is fixedly provided with a support leg 24.

Wherein, pass through spliced pole 25 fixed connection between transformer body 1 front side and the switch board 2, connect through spliced pole 25, be formed with the space and be convenient for the heat dissipation between transformer body 1 and the switch board 2.

When in use, a gap is formed between the control cabinet 2 and the transformer body 1 through the connecting column 25, so that direct contact is avoided, heat is prevented from being directly transmitted to the back of the control cabinet 2, heat cannot be dissipated, and the dissipation efficiency is low, thereby being beneficial to increasing the heat dissipation effect on the transformer body 1, through a capacitance and voltage regulating switch arranged in the oil tank 7, the voltage is automatically regulated to be high when the voltage fluctuates, the transformer is automatically regulated to be in a high-capacity grade operation when the power load period is in a peak, the transformer is automatically regulated to be in a low-capacity grade operation when the power load period is in a valley, thereby effectively reducing the transformer loss, greatly solving energy resources, reducing the cost, through the matching use of the metering current transformer 16 and the circuit breaker 18, when overcurrent and short-circuit faults occur on a line or load, the transformer automatically trips, the overcurrent and quick-break protection adopts a microcomputer protection mode, the protection setting value is continuously adjustable, the accurate setting of the setting value is conveniently carried out by matching with protection equipment at all levels, the power failure of a fault line is guaranteed not to affect the tripping of a superior switch, the running stability of the transformer body 1 is improved, the transformer body can run stably for a long time, meanwhile, the phase-splitting grading fine reactive power automatic compensation is realized through the arranged low-voltage compensation compartment 22, the accurate compensation is realized by adopting a common-splitting combined optimization compensation mode, the optimal compensation energy-saving effect is achieved, the wireless remote power cut and transmission can be realized through the matching use of the terminal 19 and the communication SIM card slot 21, the automatic control is carried out, the monitoring data and the running state can be remotely transmitted to a background management system in real time, the GPRS mode remote control, the remote signaling, the remote regulation and the regulation are supported.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Vacuum arc extinguishing is transferred and is held voltage regulating transformer, including transformer body (1), its characterized in that: the transformer comprises a transformer body (1), a control cabinet (2) is fixedly arranged on the front side of the transformer body (1), a fixed plate (3) is fixedly arranged on the tops of the transformer body (1) and the control cabinet (2), an electricity larceny prevention protective shell (4) is fixedly arranged on the left side of the top of the fixed plate (3), a high-voltage binding post (5) and a low-voltage binding post (6) are fixedly arranged on the fixed plate (3) positioned in the electricity larceny prevention protective shell (4), the high-voltage binding post (5) and the low-voltage binding post (6) are arranged in a staggered manner, an oil tank (7) is fixedly arranged on the upper surface of the fixed plate (3) positioned on the right side of the electricity larceny prevention protective shell (4), the inside of the control cabinet (2) is divided into a first cavity (10), a second cavity (11), a third cavity (12) and a fourth cavity (13) by a first partition plate (8) and, second baffle (9) with first baffle (8) set up perpendicularly, just the both ends of second baffle (9) respectively with the inner wall top and the bottom fixed connection of switch board (2), second cavity (11) are located the right side of first cavity (10), the below of second cavity (11) is third cavity (12), the left side of third cavity (12) is fourth cavity (13).

2. A vacuum quenching, capacity regulating and voltage regulating transformer as claimed in claim 1, wherein: and a liquid level meter (14) is fixedly arranged on the oil tank (7).

3. A vacuum quenching, capacity regulating and voltage regulating transformer as claimed in claim 1, wherein: the utility model discloses a fixed low pressure compensation chamber of being provided with of power failure protector, including first cavity (10) inside fixed ammeter (15) of being provided with, second cavity (11) inside fixed measurement current transformer (16) of being provided with, third cavity (12) inside fixed condenser (17) of being provided with, the fixed outage protector (18) that is provided with in upper left side of condenser (17), the fixed terminal (19) that is provided with in below of outage protector (18), it pastes strip (20) to be provided with on terminal (19), it is provided with communication SIM draw-in groove (21) to paste strip (20) below, fourth cavity (13) inside fixed low pressure compensation chamber (22) of being provided with.

4. A vacuum quenching, capacity regulating and voltage regulating transformer as claimed in claim 1, wherein: the left side and the right side of the transformer body (1) are respectively provided with a plurality of radiating pipes (23) at equal intervals.

5. A vacuum quenching, capacity regulating and voltage regulating transformer as claimed in claim 1, wherein: the bottom of the transformer body (1) is fixedly provided with support legs (24).

6. A vacuum quenching, capacity regulating and voltage regulating transformer as claimed in claim 1, wherein: the front side of the transformer body (1) is fixedly connected with the control cabinet (2) through a connecting column (25).

Images