CN218824660U

CN218824660U - Voltage transformer on-line monitoring device

Info

Publication number: CN218824660U
Application number: CN202221508214.6U
Authority: CN
Inventors: 王立平
Original assignee: Tangshan Yunda Electric Power Technology Co ltd
Current assignee: Tangshan Yunda Electric Power Technology Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2023-04-07
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a voltage transformer on-line monitoring device, including voltage transformer and assemble the monitoring box on its outer wall, fixed mounting has positive terminal and negative terminal on voltage transformer's the outer wall, the inboard of monitoring box is equipped with current monitor and voltage monitor, be linked together through microprocessor between current monitor and the voltage monitor, current monitor and voltage monitor fixedly connected with right wire and left wire respectively; this voltage transformer on-line monitoring device can utilize current monitor and voltage monitor to carry out voltage and current monitoring to voltage transformer well circuit, appears ferromagnetic resonance when leading to the circuit unusual among the voltage transformer, central processing unit can send the unusual circuit to wireless circuit breaker in and carry out the reclosing by the short-circuit switch among the wireless circuit breaker drive voltage transformer, avoids current device circuit to lead to the condition emergence that each subassembly damaged because ferromagnetic resonance.

Description

Voltage transformer on-line monitoring device

Technical Field

The utility model relates to a voltage transformer technical field specifically is a voltage transformer on-line monitoring device.

Background

Voltage transformers are instruments for transforming voltages, similar to transformers. The purpose of voltage transformation of the voltage transformer is to conveniently transmit electric energy, so that the capacity is large, and the purpose of voltage transformation of the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device, measuring the voltage, the power and the electric energy of a line, or protecting valuable equipment, a motor and a transformer in the line when the line fails; when the existing voltage transformer works, the situations of circuit short circuit and damage of a voltage protector or the transformer are often caused by ferromagnetic resonance phenomenon.

Therefore, we propose an online monitoring device for a voltage transformer.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a voltage transformer on-line monitoring device has solved current circuit and has leaded to the problem that each subassembly damaged because ferromagnetic resonance.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a voltage transformer on-line monitoring device, includes voltage transformer and assembles the monitoring box on its outer wall, fixed mounting has positive terminal and negative terminal on voltage transformer's the outer wall, the inboard of monitoring box is equipped with current monitor and voltage monitor, be linked together through microprocessor between current monitor and the voltage monitor, current monitor and voltage monitor be fixedly connected with right wire and left wire respectively, and current monitor and voltage monitor carry out electric connection with negative terminal and positive terminal respectively through right wire and left wire, microprocessor's output has the central processing unit who is located monitoring box inboard through wire electric connection.

Preferably, the outer wall of monitoring box is equipped with outer screwed pipe, fixed mounting has the spacing frame that is located the negative terminal and the positive terminal outside on voltage transformer's the outer wall, and still be provided with the interior screwed pipe with outer screwed pipe specification looks adaptation on the spacing frame.

Preferably, an open slot is formed in the top of the monitoring box, and a top cover made of a transparent plastic plate is assembled on the inner side of the open slot.

Preferably, a signal generator is arranged in the central processing unit, the central processing unit is connected with the wireless circuit breaker through the signal generator in a Bluetooth mode, and the wireless circuit breaker is also connected with the short-circuit switch in the voltage transformer in a wireless mode through the Bluetooth mode.

Preferably, the top of the current monitor and the voltage monitor is fixedly provided with a corresponding ammeter and a corresponding voltmeter, and the ammeter and the voltmeter are both arranged below the top cover.

Preferably, voltage transformer's roof is equipped with two sets of wire holders, fixedly connected with is linked together with the inboard negative terminal of spacing frame and the positive terminal wire on the outer wall of monitoring box, and the outer end fixed connection of wire is on the top of wire holder.

(III) advantageous effects

The utility model provides a voltage transformer on-line monitoring device. The method has the following beneficial effects:

1. this voltage transformer on-line monitoring device, setting through the monitoring box, can utilize its inboard current monitor and voltage monitor to carry out voltage and current monitoring to voltage transformer well circuit, and integrate this data transmission to central processing unit in, ferromagnetic resonance appears in voltage transformer and leads to when the circuit is unusual, central processing unit can send the anomaly to in the wireless circuit breaker and carry out the reclosing by the short-circuit switch among the wireless circuit breaker drive voltage transformer, thereby the security when having guaranteed the device operation, avoid current device circuit to lead to the condition emergence that each subassembly damaged because ferromagnetic resonance.

2. This voltage transformer on-line monitoring device, through the setting of voltage transformer outside monitoring box, can utilize the right side wire and the left wire and the equipment of positive terminal and negative terminal between the terminal be complete circuit to reach the effect that carries out real-time supervision to the voltage transformer well circuit, the spiral shell pipe is also convenient for carry out the dismouting to the monitoring box with the setting of outer spiral shell pipe in between monitoring box and the voltage transformer simultaneously, so that dismantle and maintain it, guaranteed the device's practicality and adaptation effect.

Drawings

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

FIG. 2 is a schematic view of the inner view of the detecting box of the present invention;

FIG. 3 is a schematic view of the external view of the detecting box of the present invention;

fig. 4 is a schematic structural diagram of the limiting frame of the present invention.

In the figure: 1. a voltage transformer; 2. a monitoring box; 3. a limiting frame; 4. an inner solenoid; 5. an outer coil; 6. a top cover; 7. a positive terminal; 8. a negative terminal; 9. a right lead; 10. a left lead; 11. a current monitor; 12. a voltage monitor; 13. a microprocessor; 14. a central processing unit.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: an online monitoring device of a voltage transformer comprises a voltage transformer 1 and a monitoring box 2 assembled on the outer wall of the voltage transformer 1, wherein a positive terminal 7 and a negative terminal 8 are fixedly installed on the outer wall of the voltage transformer 1, a current monitor 11 and a voltage monitor 12 are assembled on the inner side of the monitoring box 2, the current monitor 11 and the voltage monitor 12 are communicated through a microprocessor 13, the current monitor 11 and the voltage monitor 12 are respectively and fixedly connected with a right lead 9 and a left lead 10, the current monitor 11 and the voltage monitor 12 are respectively and electrically connected with the negative terminal 8 and the positive terminal 7 through the right lead 9 and the left lead 10, and the output end of the microprocessor 13 is electrically connected with a central processing unit 14 positioned on the inner side of the monitoring box 2 through a lead;

in this embodiment, it should be added that, the voltage transformer online monitoring device, through the setting of the monitoring box 2, can utilize the current monitor 11 and the voltage monitor 12 inside thereof to perform voltage and current monitoring on the circuit in the voltage transformer 1, and transmit the data to the central processing unit 14 for integration, when ferromagnetic resonance occurs in the voltage transformer 1 and causes a circuit abnormality, the central processing unit 14 can send the circuit abnormality to the wireless circuit breaker and drive the short-circuit switch in the voltage transformer 1 to reclose by the wireless circuit breaker, thereby ensuring the safety of the device in operation, and avoiding the occurrence of the situation that the existing device circuit causes damage to each component due to ferromagnetic resonance.

In this embodiment, it should be added that the outer wall of the monitoring box 2 is equipped with an outer solenoid 5, the outer wall of the voltage transformer 1 is fixedly provided with a limiting frame 3 located outside a negative terminal 8 and a positive terminal 7, and the limiting frame 3 is further provided with an inner solenoid 4 adapted to the specification of the outer solenoid 5;

wherein, this voltage transformer on-line monitoring device, through the setting of 1 outside monitoring box 2 of voltage transformer, can utilize the right side wire 9 and the left wire 10 and the equipment of positive terminal 7 and negative terminal 8 between as complete circuit, thereby reach the effect of carrying out real-time supervision to the circuit among the voltage transformer 1, the setting of interior screwed pipe 4 and outer screwed pipe 5 is also convenient for carry out the dismouting to monitoring box 2 between monitoring box 2 and the voltage transformer 1 simultaneously, so that dismantle and maintain it, the practicality and the adaptation effect of the device have been guaranteed.

In this embodiment, it should be added that an open slot is formed at the top of the monitoring box 2, and a top cover 6 made of a transparent plastic plate is assembled inside the open slot;

in this embodiment, it should be further added that the top portions of the current monitor 11 and the voltage monitor 12 are fixedly mounted with corresponding ammeter and voltmeter, and both the ammeter and the voltmeter are disposed below the top cover 6.

The arrangement of the ammeter and the voltmeter and the top cover 6 can display the circuit information in the voltage transformer 1 on site, so that the monitoring information can be conveniently and correspondingly read.

In this embodiment, it should be added that a signal generator is installed in the central processing unit 14, the central processing unit 14 performs bluetooth connection with the wireless circuit breaker through the signal generator, and the wireless circuit breaker also performs bluetooth connection with the short-circuit switch in the voltage transformer 1.

In this embodiment, it should be added that the top wall of the voltage transformer 1 is equipped with two sets of wire holders 15, the outer wall of the monitoring box (2) is fixedly connected with a wire 16 communicated with the negative terminal 8 and the positive terminal 7 inside the limiting frame 3, and the outer end of the wire 16 is fixedly connected to the top end of the wire holder 15.

The utility model discloses a theory of operation and use flow: when needing the device during operation, be connected positive terminal 7 and negative terminal 8 on right wire 9 and left wire 10 and the voltage transformer 1 outer wall earlier, then with the outside of solenoid 4 in the 5 suit of outer solenoid, make and constitute a complete circuit between subassembly and the voltage transformer 1 in the monitoring box 2, microprocessor 13 can send to central processing unit 14 after integrating the data of detection simultaneously, when central processing unit 14 received data for unusual data, central processing unit 14 sends unusual signal to wireless circuit breaker through the bluetooth in, and carry out reclosing by the circuit breaker among the wireless circuit breaker drive voltage transformer 1, thereby reach the effect of carrying out high-efficient protection to voltage transformer 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a voltage transformer on-line monitoring device which characterized in that: including voltage transformer (1) and assembly monitoring box (2) on its outer wall, fixed mounting has positive terminal (7) and negative terminal (8) on the outer wall of voltage transformer (1), the inboard of monitoring box (2) is equipped with current monitor (11) and voltage monitor (12), be linked together through microprocessor (13) between current monitor (11) and the voltage monitor (12), current monitor (11) and voltage monitor (12) are fixedly connected with right wire (9) and left wire (10) respectively, and current monitor (11) and voltage monitor (12) carry out electric connection with negative terminal (8) and positive terminal (7) respectively through right wire (9) and left wire (10), microprocessor (13)'s output has central processing unit (14) that are located monitoring box (2) inboard through wire electric connection.

2. The on-line monitoring device for the voltage transformer according to claim 1, wherein: the outer wall of monitoring box (2) is equipped with outer screwed pipe (5), fixed mounting has spacing frame (3) that are located negative terminal (8) and positive terminal (7) outside on the outer wall of voltage transformer (1), and still is provided with on spacing frame (3) with outer screwed pipe (5) specification looks adaptation interior screwed pipe (4).

3. The on-line monitoring device for the voltage transformer according to claim 1, wherein: an open slot is formed in the top of the monitoring box (2), and a top cover (6) made of a transparent plastic plate is assembled on the inner side of the open slot.

4. The on-line monitoring device for the voltage transformer according to claim 1, characterized in that: the intelligent voltage transformer is characterized in that a signal generator is arranged in the central processing unit (14), the central processing unit (14) is connected with the wireless circuit breaker through the signal generator in a Bluetooth mode, and the wireless circuit breaker is also connected with the short-circuit switch in the voltage transformer (1) in a wireless mode through the Bluetooth mode.

5. The on-line monitoring device for the voltage transformer according to claim 1, wherein: the top fixed mounting of current monitor (11) and voltage monitor (12) has corresponding ampere meter and voltmeter, and ampere meter and voltmeter all set up the below at top cap (6).

6. The on-line monitoring device for the voltage transformer according to claim 1, wherein: the roof of voltage transformer (1) is equipped with two sets of connection terminal (15), wire (16) that fixedly connected with and spacing frame (3) inboard negative terminal (8) and positive terminal (7) are linked together on the outer wall of monitoring box (2), and the outer end fixed connection of wire (16) is on the top of connection terminal (15).