CN213181732U

CN213181732U - Electric power construction is with voltage transformer that has leak protection oil mechanism

Info

Publication number: CN213181732U
Application number: CN202021188599.3U
Authority: CN
Inventors: 马丽娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-05-11
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses an electric power construction is with voltage transformer who has leak protection oil mechanism, including base, reactor, attenuator, middling pressure electric capacity, high-voltage capacitor and intermediate voltage transformer, the last fixed surface of base has the electromagnetic unit box, the inner chamber of electromagnetic unit box is provided with the reactor, the top of reactor is provided with the attenuator, the right side of reactor is provided with intermediate voltage transformer, the right side of electromagnetic unit box is provided with the terminal box, the below of terminal box is provided with the earthing terminal, there is the sleeve pipe top of electromagnetic unit box through threaded flange connection, the sheathed tube inside is provided with middling pressure electric capacity, the top of middling pressure electric capacity is connected with high-voltage capacitor through the cable, high-voltage capacitor's top is provided with the wiring end once, the sheathed tube top is connected with the metal expander. The utility model discloses be applied to the transform of voltage, and have good leak protection oil measure, also be convenient for more the installation.

Description

Electric power construction is with voltage transformer that has leak protection oil mechanism

Technical Field

The utility model relates to an electric technical field specifically is an electric power construction is with voltage transformer who has leak protection oil mechanism.

Background

The capacitive voltage transformer is a voltage transformer which is divided by a series capacitor, then is subjected to voltage reduction and isolation by an electromagnetic transformer and is used as a meter, relay protection and the like, and the capacitive voltage transformer can also couple carrier frequency to a power transmission line for long-distance communication, remote measurement, selective high-frequency protection of the line, remote control, teletype and the like.

The oil tank of the existing capacitor voltage transformer is easy to leak at a valve port, and the risk of reduction of the insulation strength can occur when the oil quantity is too small, so that the internal insulation breakdown is caused, and in addition, the base of the existing capacitor voltage transformer cannot be adjusted, so that the flexibility is reduced during installation, and the oil tank can only be used for installation at a fixed position.

Therefore, it is necessary to provide a voltage transformer having an oil leakage preventing mechanism for electric power construction to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power construction is with voltage transformer who has leak protection oil mechanism to propose the problem that oil leak appears in valve port department and can't carry out the installation regulation of base in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a voltage transformer with an oil leakage prevention mechanism for power construction comprises a base, a reactor, a damper, a medium-voltage capacitor, a high-voltage capacitor and a medium transformer, wherein an electromagnetic unit box body is fixed on the upper surface of the base, the reactor is arranged in an inner cavity of the electromagnetic unit box body, the damper is arranged above the reactor, the medium transformer is arranged on the right side of the reactor, a terminal box is arranged on the right side of the electromagnetic unit box body, a grounding end is arranged below the terminal box, a sleeve is connected above the electromagnetic unit box body through a threaded flange, the medium-voltage capacitor is arranged inside the sleeve, the high-voltage capacitor is connected above the medium-voltage capacitor through a cable, a primary wiring end is arranged above the high-voltage capacitor, a metal expander is connected above the sleeve, and an observation hole is arranged on the front surface of the electromagnetic unit box body, the right-hand member of observation hole is provided with the oiling mouth, the top of base is provided with the rubber circle, the inside of rubber circle is provided with the spring, the bottom of base is provided with the spout, install the fixed plate through the bolt in the spout, the left side of electromagnetic unit box is provided with out oil pipe, the valve body is installed to the tip of going out oil pipe, the left side of valve body is provided with the anchorage bar, the right-hand member of anchorage bar is provided with the sealing plug, the outside of anchorage bar is provided with the support frame.

Preferably, the bottom of the base is provided with anti-skidding lines, and the upper end of the base is of a hollow structure.

Preferably, insulating oil is arranged below the inner cavity of the electromagnetic unit box, and nitrogen is added above the inner cavity of the electromagnetic unit box.

Preferably, the fixed plate and the sliding chutes form a sliding structure, the number of the fixed plates is four, and the sliding chutes are in a cross shape.

Preferably, one end of the fixing plate is provided with a threaded through hole, and the side face of the other end of the fixing plate is provided with four threaded holes.

Preferably, the outer wall of the fastening rod is provided with threads, and the sealing plug is of a conical structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install the valve on saying to oil drain pipe to set up the case into conical sealing plug, and fix through the elasticity of screw thread, and adopt welded flange's mode to seal in the junction with the oil tank body, reduce the possibility of oil leak, the complete sealing of pipeline can be realized to the conical sealing plug, and the condition of wearing and tearing can not appear, and leak protection oil is effectual.

2. The utility model discloses a change traditional unable adjustment base, mutually support through fixed plate and spout, make the fixed plate can realize the flexible in the spout, adjust the extension length of fixed plate through sliding to this makes its installation base can adjust, can be suitable for the support of more widths during the installation.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic bottom sectional view of the base of the present invention;

fig. 4 is an enlarged schematic view of the structure a in fig. 1 according to the present invention;

fig. 5 is a schematic view of the main sectional structure of the valve body of the present invention.

In the figure: 1. a base; 2. an electromagnetic unit box body; 3. a reactor; 4. a damper; 5. a threaded flange; 6. a medium voltage capacitor; 7. a cable; 8. a high-voltage capacitor; 9. a primary terminal; 10. a metal expander; 11. a sleeve; 12. a terminal box; 13. a ground terminal; 14. a rubber ring; 15. an intermediate transformer; 16. a spring; 17. an observation hole; 18. an oil filling port; 19. a bolt; 20. a fixing plate; 21. a chute; 22. an oil outlet pipe; 23. a valve body; 24. a fastening rod; 25. a support frame; 26. and (4) sealing the plug.

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. 1-5, the present invention provides an embodiment:

the utility model provides a voltage transformer that electric power construction used has leak protection oil mechanism, including base 1, reactor 3, attenuator 4, medium voltage electric capacity 6, high voltage electric capacity 8 and intermediate transformer 15, the bottom of base 1 is provided with anti-skidding line, the upper end of base 1 is hollow structure, be used for installing damping device and use, the last fixed surface of base 1 has electromagnetic unit box 2, the below of electromagnetic unit box 2 inner chamber is provided with insulating oil, the top of electromagnetic unit box 2 inner chamber is added with nitrogen gas, the inner chamber of electromagnetic unit box 2 is provided with reactor 3, reactor 3 is also called the inductor, will produce magnetic field at the certain spatial range that it occupied when a conductor circular telegram, so all can the electric conductors of current-carrying all have the perception in the general meaning, mainly divide into hollow type, iron core formula, dry-type, oily formula etc., adopt the oily formula in the device.

The upper side of the reactor 3 is provided with a damper 4, the damper 4 is also called a damping device, in order to be made into a device for increasing damping when vibration generated by impact is attenuated quickly, common oil comprises silicon oil, castor oil, mechanical oil, diesel oil, engine oil and transformer oil, the common oil can be made into a plate type, a piston type, a square cone, a cone and the like, and is one of essential parts of a voltage transformer, the right side of the reactor 3 is provided with an intermediate transformer 15, the intermediate transformer 15 is also called a power supply transformer or an excitation transformer, the function of the intermediate transformer is to supply power to a test loop so as to compensate active loss of the test loop, the right side of the electromagnetic unit box body 2 is provided with a terminal box 12, and the inside of the terminal box 12 is provided with a.

The grounding terminal 13 is arranged below the terminal box 12 and is used for grounding treatment and mainly plays a role of lightning protection, the sleeve 11 is connected above the electromagnetic unit box 2 through a threaded flange 5, a medium-voltage capacitor 6 is arranged inside the sleeve 11, a high-voltage capacitor 8 is connected above the medium-voltage capacitor 6 through a cable 7, two conductors which are close to each other are clamped by a layer of non-conductive insulating medium, so that a capacitor is formed, when voltage is applied between two polar plates of the capacitor, the capacitor can store electric charge, the capacitance of the capacitor is numerically equal to the ratio of the electric charge on one conductive polar plate to the voltage between the two polar plates, the type of the capacitor is a cable 7 and a high-voltage capacitor 8, a primary wiring terminal 9 is arranged above the high-voltage capacitor 8 and is used for external wiring, a metal expander 10 is connected above the sleeve 11, and an observation hole 17 is arranged on the, the oil mass of being convenient for observe, can in time add insulating oil, the right-hand member of observing hole 17 is provided with oiling mouth 18 for the box refuels.

The rubber ring 14 is arranged above the base 1, the spring 16 is arranged inside the rubber ring 14 and can play a role in shock absorption and protection, the bottom of the base 1 is provided with a sliding groove 21, a fixing plate 20 is installed in the sliding groove 21 through a bolt 19, one end of the fixing plate 20 is provided with a threaded through hole, the other end side of the fixing plate 20 is provided with four threaded holes, the fixing plate 20 and the sliding groove 21 form a sliding structure, the fixing plate 20 is provided with four sliding grooves 21, the sliding grooves 21 are in a cross shape, the extending length of the fixing plate 20 is determined by sliding the fixing plate 20 in the sliding groove 21, the electromagnetic unit box body 2 is suitable for bracket installation at different distances, the left side of the electromagnetic unit box body 2 is provided with an oil outlet pipe 22, the end part of the oil outlet pipe 22 is provided with a valve body 23, the left side of the valve body, a support 25 is provided outside the fastening rod 24, and a sealing plug 26 is pressed against the inside by rotating the fastening rod 24, thereby sealing the inside and preventing oil leakage.

The working principle is as follows: the utility model discloses an instrument for alternate voltage, mainly be used for supplying power for measuring apparatu and relay protection device, be used for measuring the voltage of circuit, power and electric energy, perhaps be used for when the circuit breaks down valuable equipment in the protection circuit, motor and transformer, at first the device when the installation, divide into indoor or outdoor installation, current installation is installed the size of the size cooperation fixed plate 20 of support earlier usually, and the operation is complicated, the utility model discloses during the installation, at first can adjust according to the installation width of fixed bolster, slide fixed plate 20 in the inside of spout 21, fix fixed plate 20 through bolt 19, decide the extension length of fixed plate 20, can install convenient operation to the support of different widths from this.

Need add insulating oil to the inside of electromagnetic unit box 2 before the installation, pour into through oiling mouth 18, can observe through oiling mouth 18 when adding, when highly completely with inside intermediate transformer 15 of electromagnetic unit box 2 and attenuator 4 cover, then through the other interface of oiling mouth 18 to the inside a certain amount of nitrogen gas that adds of electromagnetic unit box 2, connect the circuit in the top of metal expander 10 earlier during the wiring, then be connected below circuit and the inside terminal of terminal box 12.

In the use process, the internal oil quantity can be detected through the observation hole 17 at regular time, when the oil quantity is too small, the oil is added in time, in addition, the oil outlet pipe 22 is also detected, and when the oil leakage occurs, the fastening rod 24 is rotated to press the sealing plug 26 inside again, so that the sealing state is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a voltage transformer with leak protection oil mechanism for electric power construction, includes base (1), reactor (3), attenuator (4), medium voltage electric capacity (6), high voltage electric capacity (8) and intermediate transformer (15), its characterized in that: an electromagnetic unit box body (2) is fixed on the upper surface of the base (1), a reactor (3) is arranged in an inner cavity of the electromagnetic unit box body (2), a damper (4) is arranged above the reactor (3), an intermediate transformer (15) is arranged on the right side of the reactor (3), a terminal box (12) is arranged on the right side of the electromagnetic unit box body (2), a grounding end (13) is arranged below the terminal box (12), a sleeve (11) is connected above the electromagnetic unit box body (2) through a threaded flange (5), a medium-voltage capacitor (6) is arranged inside the sleeve (11), a high-voltage capacitor (8) is connected above the medium-voltage capacitor (6) through a cable (7), a primary wiring end (9) is arranged above the high-voltage capacitor (8), and a metal expander (10) is connected above the sleeve (11), the front of electromagnetism unit box (2) is provided with observation hole (17), the right-hand member of observation hole (17) is provided with oiling mouth (18), the top of base (1) is provided with rubber circle (14), the inside of rubber circle (14) is provided with spring (16), the bottom of base (1) is provided with spout (21), install fixed plate (20) through bolt (19) in spout (21), the left side of electromagnetism unit box (2) is provided with out oil pipe (22), valve body (23) are installed to the tip of play oil pipe (22), the left side of valve body (23) is provided with anchorage bar (24), the right-hand member of anchorage bar (24) is provided with sealing plug (26), the outside of anchorage bar (24) is provided with support frame (25).

2. The voltage transformer with the oil leakage preventing mechanism for electric power construction according to claim 1, characterized in that: the anti-skidding base is characterized in that anti-skidding lines are arranged at the bottom of the base (1), and the upper end of the base (1) is of a hollow structure.

3. The voltage transformer with the oil leakage preventing mechanism for electric power construction according to claim 1, characterized in that: insulating oil is arranged below the inner cavity of the electromagnetic unit box body (2), and nitrogen is added above the inner cavity of the electromagnetic unit box body (2).

4. The voltage transformer with the oil leakage preventing mechanism for electric power construction according to claim 1, characterized in that: the fixed plate (20) and the sliding grooves (21) form a sliding structure, four fixed plates (20) are arranged, and the sliding grooves (21) are in a cross shape.

5. The voltage transformer with the oil leakage preventing mechanism for electric power construction according to claim 1, characterized in that: one end of the fixing plate (20) is provided with a threaded through hole, and the side face of the other end of the fixing plate (20) is provided with four threaded holes.

6. The voltage transformer with the oil leakage preventing mechanism for electric power construction according to claim 1, characterized in that: the outer wall of the fastening rod (24) is provided with threads, and the sealing plug (26) is of a conical structure.