CN216084574U - Intelligent dry-type transformer - Google Patents

Intelligent dry-type transformer Download PDF

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Publication number
CN216084574U
CN216084574U CN202121657923.6U CN202121657923U CN216084574U CN 216084574 U CN216084574 U CN 216084574U CN 202121657923 U CN202121657923 U CN 202121657923U CN 216084574 U CN216084574 U CN 216084574U
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transformer
module
voltage coil
pipe
heat dissipation
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CN202121657923.6U
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程鸿雁
王海波
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Shanghai Zhenger Intelligent Technology Co ltd
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Shanghai Zhenger Intelligent Technology Co ltd
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Abstract

The utility model provides an intelligent dry-type transformer, which comprises a transformer body, a temperature control system, an electric control system and a monitoring system, wherein the temperature control system comprises a temperature sensor, a humidity sensor, a heat dissipation system and a dehumidification system, the electric control system comprises a current transformer, a voltage transformer and a circuit protector, the monitoring system comprises an information processing module, a system control module and a display module, the information processing module is in information connection with the system control module and the display module respectively, the display module is in control connection with the system control module, the information processing module is in signal connection with the temperature sensor, the humidity sensor, the current transformer and the voltage transformer, and the system control module is in control connection with the heat dissipation system, the dehumidification system and the circuit protector. In the application, the temperature and humidity of the transformer and the state of the circuit are monitored through the monitoring system intelligent monitoring temperature control system and the electric control system, manual regulation and control are carried out according to the detected temperature and humidity and current voltage, and the interference of various factors influencing the working efficiency of the transformer is reduced.

Description

Intelligent dry-type transformer
Technical Field
The utility model relates to the field of transformers, in particular to an intelligent dry-type transformer.
Background
The transformer consists of an iron core (or a magnetic core) and a coil. It can transform alternating voltage, current and impedance. The existing silicon steel sheet technology in the transformer cannot keep up with the capacity requirement, so that the product heat dissipation is poor, and the temperature of an iron core is usually high. If the temperature of the transformer is too high, the coil of the transformer is unfavorable, the coil is easy to age, the service life of the coil is shortened, and fire hazard also exists when the temperature of the transformer is too high.
Present transformer radiating effect is not ideal, and the fan is placed and is close the position on ground moreover, adsorbs dust easily and blows to the fin with debris in the lump for fin surface accumulation dust, the radiating effect variation needs frequent maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent dry-type transformer, which is capable of radiating and dehumidifying and being remotely and intelligently controlled.
In order to achieve the above object, the present invention provides an intelligent dry-type transformer, which includes a transformer body, a temperature control system, an electric control system and a monitoring system, wherein:
the transformer body comprises a high-voltage coil, a low-voltage coil and an iron core;
the temperature control system comprises a temperature sensor, a humidity sensor, a heat dissipation system and a dehumidification system, the temperature sensor is arranged on the low-voltage coil and the iron core, the humidity sensor is arranged on the outer side of the high-voltage coil, the temperature sensor is connected with the heat dissipation system, and the humidity sensor is connected with the dehumidification system;
the electric control system comprises a current transformer, a voltage transformer and a circuit protector, wherein the current transformer and the voltage transformer are in control connection with the circuit protector;
the monitoring system comprises an information processing module, a system control module and a display module, wherein the information processing module is in information connection with the system control module and the display module respectively, the display module is in control connection with the system control module, the information processing module is in signal connection with a temperature sensor, a humidity sensor, a current transformer and a voltage transformer, and the system control module is in control connection with the heat dissipation system, the dehumidification system and the circuit protector.
Furthermore, in the intelligent dry-type transformer, the intelligent dry-type transformer further comprises a communication system, the communication system comprises an ethernet communication module and a remote wireless communication module, the information processing module is in signal connection with a network system through the ethernet communication module, and the information processing module is connected with a terminal system through the remote wireless communication module.
Further, in the intelligent dry-type transformer, the heat dissipation system includes a plurality of heat dissipation tubes, an exhaust duct, an air duct, a first fan and a heat dissipation controller, the heat dissipation tubes are disposed between the low-voltage coil and the high-voltage coil, the first fan is disposed at an air inlet of the exhaust duct, the exhaust duct and the air duct are both provided with a plurality of ventilation holes, the exhaust duct is provided with a plurality of air ducts communicated with each other, the exhaust duct is arranged at bottom sides of the low-voltage coil and the high-voltage coil in a zigzag manner, the air duct is arranged outside the high-voltage coil in a wrapping manner, and the heat dissipation controller is respectively connected with the first fan and the temperature sensor.
Further, in the intelligent dry-type transformer, the air guide pipe is obliquely arranged on the exhaust pipe, and the air guide pipe is spirally wound on the outer side of the high-voltage coil.
Further, in the intelligent dry-type transformer, the air guide pipes are vertically arranged on the exhaust pipe, and the air guide pipes are longitudinally arranged at intervals around the outer side of the high-voltage coil in the circumferential direction.
Further, in the intelligent dry-type transformer, one end of the bottom side of the heat dissipation pipe is an evaporation end, one end of the top side of the heat dissipation pipe is a condensation end, and the evaporation end is arranged between the high-voltage coil and the low-voltage coil; the radiating pipe comprises a pipe shell, fluid and a liquid absorbing core, wherein the liquid absorbing core is fixed in the pipe shell, and the pipe shell is vacuumized and filled with the fluid.
Furthermore, in the intelligent dry-type transformer, the radiating pipe is bent, and the bending included angle is greater than or equal to a right angle.
Further, intelligent dry-type transformer in, dehumidification system includes filter, second fan, blast pipe and dehumidification controller, the second fan sets up exhaust pipe air outlet department, the exhaust pipe with be equipped with between the second fan the filter, the second fan with the blast pipe is connected, the dehumidification controller respectively with second fan and humidity transducer are connected.
Furthermore, in the intelligent dry-type transformer, the information processing module is also in information connection with the power supply module, the harmonic module, the wave recording module and the load loss module.
Compared with the prior art, the utility model has the following beneficial effects: the temperature and humidity of the transformer and the state of a circuit are monitored through the monitoring system intelligent monitoring temperature control system and the electric control system, manual adjustment and control can be carried out according to the detected temperature and humidity and current voltage, all necessary factors for ensuring the operation of the transformer are intelligently regulated and controlled, and the interference of various factors influencing the working efficiency of the transformer is reduced.
Drawings
FIG. 1 is a system diagram of an intelligent dry-type transformer of the present invention;
FIG. 2 is a schematic structural diagram of an intelligent dry-type transformer according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;
fig. 4 is a schematic structural diagram of a heat dissipating pipe according to the present invention.
Wherein: the high-voltage coil 11, the low-voltage coil 12, the iron core 13, the temperature sensor 21, the humidity sensor 22, the heat dissipation pipe 31, the exhaust pipe 32, the air guide pipe 33, the first fan 34, the heat dissipation controller 35, the filter 41, the second fan 42, the exhaust pipe 43, and the dehumidification controller 44.
Detailed Description
The intelligent dry-type transformer of the present invention will now be described in more detail with reference to the schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that a person skilled in the art may modify the utility model described herein while still achieving the advantageous effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the utility model.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
As shown in fig. 2 to 3, the present invention provides an intelligent dry-type transformer, which includes a transformer body, a temperature control system, an electric control system, a monitoring system and a communication system, wherein:
the transformer body comprises a high-voltage coil 11, a low-voltage coil 12 and an iron core 13;
the temperature control system comprises a temperature sensor 21, a humidity sensor 22, a heat dissipation system and a dehumidification system, the temperature sensor 21 is arranged on the low-voltage coil 12 and the iron core 13, the humidity sensor 22 is arranged on the outer side of the high-voltage coil 11, the temperature sensor 21 is connected with the heat dissipation system, and the humidity sensor 22 is connected with the dehumidification system;
the electric control system comprises a current transformer, a voltage transformer and a circuit protector, wherein the current transformer and the voltage transformer are in control connection with the circuit protector, the current transformer and the voltage transformer are provided with preset values, and the circuit protector is automatically switched off when the preset values exceed the range of the preset values, so that the circuit damage of the transformer is avoided;
the monitoring system comprises an information processing module, a system control module and a display module, wherein the information processing module is in information connection with the system control module and the display module respectively, the display module is in control connection with the system control module, the information processing module is in signal connection with a temperature sensor 21, a humidity sensor 22, a current transformer and a voltage transformer, and the system control module is in control connection with a heat dissipation system, a dehumidification system and a circuit protector.
The communication system comprises an Ethernet communication module and a remote wireless communication module, and the information processing module is in signal connection with the network system through the Ethernet communication module to realize network control. The information processing module is connected with the terminal system through the remote wireless communication module, and information is transmitted to the terminal system, so that monitoring of background workers is facilitated.
Further, as shown in fig. 4, in the present embodiment, the heat dissipation system includes a heat dissipation pipe 31, an exhaust pipe 32, an air guiding pipe 33, a first fan 34 and a heat dissipation controller 35, a plurality of heat dissipation pipes 31 are disposed between the low voltage coil 12 and the high voltage coil 11, the first fan 34 is disposed at an air inlet of the exhaust pipe 32, a plurality of air permeable holes are disposed on both the exhaust pipe 32 and the air guiding pipe 33, a plurality of air guiding pipes 33 connected to each other are disposed on the exhaust pipe 32, the exhaust pipe 32 is disposed at a bottom side of the low voltage coil 12 and the high voltage coil 11 in a zigzag manner, the air guiding pipe 33 is wrapped around the outside of the high voltage coil 11, and the heat dissipation controller 35 is connected to the first fan 34 and the temperature sensor 21, respectively. The air blown out by the first fan 34 enters the air guide pipe 33 along the exhaust pipe 32 and is discharged from the end part of the air guide pipe 33, the temperature on the high-voltage coil 11 enters the air channel of the air guide pipe 33 along the air penetration hole on the air guide pipe 33, the heat on the surface of the high-voltage coil 11 is taken away through the discharge of the air, and the heat dissipation efficiency of the high-voltage coil 11 is improved.
In the present embodiment, the air guiding pipes 33 are circumferentially arranged at intervals outside the high-voltage coil 11, the arrangement of the air guiding pipes 33 is various, the air guiding pipes 33 may be vertically arranged on the air exhausting pipe 32, the air guiding pipes 33 may be obliquely arranged on the air exhausting pipe 32, and preferably, as shown in fig. 3, in order to increase the contact area between the air guiding pipes 33 and the high-voltage coil 11, the air guiding pipes 33 are spirally wound outside the high-voltage coil 11.
Further, as shown in fig. 4, in the present embodiment, one end of the bottom side of the heat pipe 31 is an evaporation end, and the evaporation end is disposed between the high voltage coil 11 and the low voltage coil 12 to accelerate heat absorption; one end of the top side of the heat dissipation pipe 31 is a condensation end, and an evaporation end is arranged above the high-voltage coil 11 and the low-voltage coil 12, so that heat dissipation is accelerated. The radiating pipe 31 includes a pipe case, a fluid and a wick, which is fixed in the pipe case, and the pipe case is evacuated and filled with the fluid. The heat pipe 31 is bent at an included angle greater than or equal to a right angle, and the inclined condensation end can facilitate the condensed fluid to slide down to the evaporation end along the inclined inner wall.
The dehumidification system comprises a filter 41, a second fan 42, an exhaust pipe 43 and a dehumidification controller 44, wherein the second fan 42 is arranged at an air outlet of the exhaust pipe 32, the filter 41 is arranged between the exhaust pipe 32 and the second fan 42, the second fan 42 is connected with the exhaust pipe 43, and the dehumidification controller 44 is respectively connected with the second fan 42 and the humidity sensor 22. The wind reversely absorbed by the second fan 42 enters the exhaust duct 32 along the air guiding duct 33 and is exhausted from the end of the exhaust duct 43, the humidity on the high-voltage coil 11 enters the air duct of the air guiding duct 33 along the ventilation hole on the air guiding duct 33, the humidity on the surface of the high-voltage coil 11 is taken away by the exhaust of the wind, and the moisture in the air is filtered by the filter 41, so that the heat dissipation efficiency of the high-voltage coil 11 is improved.
In the present application, when the temperature measured by the temperature sensor 21 is higher than the low preset value, the heat dissipation controller 35 is automatically turned on to dissipate heat; when the temperature measured by the temperature sensor 21 is higher than a preset value, the system control module controls the circuit protector to perform circuit breaking treatment, so that high-temperature damage to a transformer coil is avoided; when the humidity detected by the humidity sensor 22 is higher than the low preset value, the dehumidification controller 44 automatically starts to perform dehumidification; when the humidity detected by the humidity sensor 22 is higher than a preset value, the system control module controls the circuit protector to perform circuit breaking treatment, so that the water inlet short circuit of the transformer is avoided.
In addition, the information processing module is also in information connection with the power supply module, the harmonic module, the wave recording module and the load loss module. The states are used as follows:
the monitoring system can monitor the running state of the transformer, the information processing module monitors the temperature and humidity conditions of the winding through the temperature sensor 21 and the humidity sensor 22, and the information processing module monitors and counts the load rate, annual maximum load and maximum load utilization hours of the transformer through the load loss module.
The monitoring system can perform power supply quantity statistics, and the information processing module can perform statistics on data of electric energy transmitted by the transformer through the power supply module, namely the data comprise bidirectional electric energy statistics, active electric quantity, reactive electric quantity, demand and maximum demand comprising time.
The monitoring system can evaluate the loss electric energy of the transformer, the information of the information processing module is subjected to integrated calculation, and the influence of the temperature and the load rate of a transformer winding on the loss is combined, so that the electric energy loss in the life cycle of the transformer can be evaluated, and basic data are provided for the management of the whole life cycle of the transformer.
The monitoring system can alarm events, the information processing module can obtain current and voltage states through the current transformer and the voltage transformer, can obtain alarm information of temporary states such as voltage temporary rise, voltage temporary fall, voltage terminal, current impact and the like, and can also calculate out voltage out-of-limit, voltage negative sequence unbalance out-of-limit, current negative sequence unbalance out-of-limit, voltage harmonic content rate, harmonic total distortion rate out-of-limit, long flicker out-of-limit, short flicker out-of-limit, frequency out-of-limit, harmonic current effective value out-of-limit and the like in an integrated mode.
The monitoring system can monitor real-time waveform, information is presented in a graph form through the display module according to data acquired by the information processing module, and a voltage effective value, a current effective value, system frequency, voltage deviation, a phase angle, electric energy power, waveform flicker and the like are drawn into waveform diagram data.
The monitoring system can perform harmonic analysis, the information processing module monitors related data such as harmonic, inter-harmonic, high-frequency harmonic and harmonic power in real time, harmonic data analysis is performed, effective values, content rates and phase angles of voltage/current harmonics are obtained, effective values and content rates of voltage/current inter-harmonic are obtained, effective values of voltage/current high-frequency harmonics are obtained, and effective values of voltage/current harmonic power are obtained.
The monitoring system can carry out recording analysis, carries out the setting of timing recording, trigger recording and recording wavelength according to the demand, and information processing module keeps the wave file with IEEE standard electric power system transient state data exchange common format COMTRADE, and record warning record ripples and level recording, and the warning record ripples contains carries out the recording under the each state that the aforesaid incident was reported an emergency and is reported an emergency and asked an emergency and asks an emergency for help or increased vigilance, and the level record ripples is that external level signal triggers carries out the recording.
In summary, in the embodiment, the provided intelligent dry-type transformer intelligently monitors the temperature and humidity of the transformer and the state of the circuit through the temperature control system and the electric control system through the monitoring system, and can also manually adjust and control according to the detected temperature, humidity and current voltage, so that all necessary factors for ensuring the operation of the transformer are intelligently regulated and controlled, and the interference of various factors affecting the working efficiency of the transformer is reduced.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. The utility model provides an intelligent dry-type transformer, its characterized in that includes transformer body, temperature control system, electrical system and monitored control system, wherein:
the transformer body comprises a high-voltage coil (11), a low-voltage coil (12) and an iron core (13);
the temperature control system comprises a temperature sensor (21), a humidity sensor (22), a heat dissipation system and a dehumidification system, the temperature sensor (21) is arranged on the low-voltage coil (12) and the iron core (13), the humidity sensor (22) is arranged on the outer side of the high-voltage coil (11), the temperature sensor (21) is connected with the heat dissipation system, and the humidity sensor (22) is connected with the dehumidification system;
the electric control system comprises a current transformer, a voltage transformer and a circuit protector, wherein the current transformer and the voltage transformer are in control connection with the circuit protector;
the monitoring system comprises an information processing module, a system control module and a display module, wherein the information processing module is in information connection with the system control module and the display module respectively, the display module is in control connection with the system control module, the information processing module is in signal connection with a temperature sensor (21), a humidity sensor (22), a current transformer and a voltage transformer, and the system control module is in control connection with a heat dissipation system, a dehumidification system and a circuit protector.
2. The intelligent dry-type transformer of claim 1, further comprising a communication system, wherein the communication system comprises an Ethernet communication module and a remote wireless communication module, the information processing module is in signal connection with a network system through the Ethernet communication module, and the information processing module is in signal connection with a terminal system through the remote wireless communication module.
3. Intelligent dry transformer according to claim 1, whereas the heat dissipation system comprises a heat dissipation pipe (31), an exhaust duct (32), an air duct (33), a first fan (34) and a heat dissipation controller (35), a plurality of radiating pipes (31) are arranged between the low-voltage coil (12) and the high-voltage coil (11), the first fan (34) is arranged at the air inlet of the exhaust duct (32), a plurality of ventilation holes are arranged on the exhaust duct (32) and the air guide duct (33), the exhaust duct (32) is provided with a plurality of air guide pipes (33) which are communicated, the exhaust pipe (32) is arranged at the bottom sides of the low-voltage coil (12) and the high-voltage coil (11) in a shape of a Chinese character 'hui', the air guide pipe (33) is wound and arranged on the outer side of the high-voltage coil (11), and the heat dissipation controller (35) is respectively connected with the first fan (34) and the temperature sensor (21).
4. Intelligent dry transformer according to claim 3, characterized in that the air duct (33) is arranged obliquely to the exhaust duct (32), the air duct (33) being wound helically around the outside of the high voltage coil (11).
5. Intelligent dry transformer according to claim 3, characterized in that the air duct (33) is arranged vertically on the exhaust duct (32), the air duct (33) being arranged circumferentially at intervals longitudinally around the outside of the high voltage coil (11).
6. The intelligent dry-type transformer of claim 3, wherein the heat pipe (31) has an evaporation end at the bottom end and a condensation end at the top end, and the evaporation end is disposed between the high-voltage coil (11) and the low-voltage coil (12); the radiating pipe (31) comprises a pipe shell, fluid and a liquid absorbing core, wherein the liquid absorbing core is fixed in the pipe shell, and the pipe shell is vacuumized and filled with the fluid.
7. Intelligent dry-type transformer according to claim 6, characterized in that the heat pipe (31) is bent at an angle greater than or equal to a right angle.
8. Intelligent dry transformer according to claim 3, characterized in that the dehumidification system comprises a filter (41), a second fan (42), an exhaust pipe (43) and a dehumidification controller (44), the second fan (42) is arranged at the air outlet of the exhaust pipe (32), the filter (41) is arranged between the exhaust pipe (32) and the second fan (42), the second fan (42) is connected with the exhaust pipe (43), and the dehumidification controller (44) is connected with the second fan (42) and the humidity sensor (22) respectively.
9. Intelligent dry transformer according to claim 1, whereas the information processing module is further in information connection with a power supply module, a harmonic module, a wave recording module and a load loss module.
CN202121657923.6U 2021-07-21 2021-07-21 Intelligent dry-type transformer Active CN216084574U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121657923.6U CN216084574U (en) 2021-07-21 2021-07-21 Intelligent dry-type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121657923.6U CN216084574U (en) 2021-07-21 2021-07-21 Intelligent dry-type transformer

Publications (1)

Publication Number Publication Date
CN216084574U true CN216084574U (en) 2022-03-18

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CN202121657923.6U Active CN216084574U (en) 2021-07-21 2021-07-21 Intelligent dry-type transformer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117133530A (en) * 2023-08-28 2023-11-28 广东四会互感器厂有限公司 Oil immersed high-voltage station transformer and manufacturing process thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117133530A (en) * 2023-08-28 2023-11-28 广东四会互感器厂有限公司 Oil immersed high-voltage station transformer and manufacturing process thereof
CN117133530B (en) * 2023-08-28 2024-04-09 广东四会互感器厂有限公司 Oil immersed high-voltage station transformer and manufacturing process thereof

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