CN115394531B - Transformer assembly capable of automatically controlling temperature and cooling - Google Patents

Transformer assembly capable of automatically controlling temperature and cooling Download PDF

Info

Publication number
CN115394531B
CN115394531B CN202211338691.7A CN202211338691A CN115394531B CN 115394531 B CN115394531 B CN 115394531B CN 202211338691 A CN202211338691 A CN 202211338691A CN 115394531 B CN115394531 B CN 115394531B
Authority
CN
China
Prior art keywords
temperature
cooling
outer shell
information
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211338691.7A
Other languages
Chinese (zh)
Other versions
CN115394531A (en
Inventor
王刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xinhong Electrical Equipment Co ltd
Original Assignee
Jiangsu Xinhong Electrical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Xinhong Electrical Equipment Co ltd filed Critical Jiangsu Xinhong Electrical Equipment Co ltd
Priority to CN202211338691.7A priority Critical patent/CN115394531B/en
Publication of CN115394531A publication Critical patent/CN115394531A/en
Application granted granted Critical
Publication of CN115394531B publication Critical patent/CN115394531B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/16Water cooling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/18Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/025Constructional details relating to cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2876Cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/406Temperature sensor or protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Operations Research (AREA)
  • Probability & Statistics with Applications (AREA)
  • Evolutionary Biology (AREA)
  • Algebra (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention discloses a transformer assembly capable of automatically controlling temperature and cooling, which relates to the technical field of transformers and comprises a transformer body, wherein the transformer body comprises an outer shell and a winding post positioned in the outer shell, insulating oil for cooling is contained in the outer shell, and the winding post is contained in the outer shell; the heat dissipation assembly is arranged outside the outer shell and comprises a cooling shell with the bottom end below the ground and a circulating pump located between the cooling shell and the outer shell, the moving assembly is arranged inside the outer shell and comprises partition plates extending to the side edges of the winding posts, and the cooling assemblies are tightly attached to the opposite surfaces of the two partition plates; through prediction and correlation processing, a user can conveniently master the temperature and pressure change inside the outer shell as early as possible, the processing is performed as early as possible, the situation that potential safety hazards are serious due to the temperature change is avoided, the safety of the transformer body is improved, and the user who is also convenient performs temperature control processing on the transformer body.

Description

Transformer assembly capable of automatically controlling temperature and cooling
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer assembly capable of automatically controlling temperature and cooling.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like. The transformer is a device for transforming voltage, current and impedance by utilizing electromagnetic mutual induction, and is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core (magnetic core). In electrical equipment and wireless circuits, the high-voltage power supply is often used for voltage rise and fall, impedance matching, safety isolation and the like.
Most of present oil-immersed transformer adopt insulating oil refrigerated mode, cool off the transformer, when inside winding group high temperature, play the cooling effect, but the cooling oil cooling effect of current transformer is limited, can only cool down in limited within range, starts or adjusts according to the change of temperature, is in passive state always, and the cooling effect is also more limited, in case temperature overload, will cause the potential safety hazard.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the transformer assembly capable of automatically controlling the temperature and cooling, the cooling assembly, the moving assembly and the processing module are arranged, so that the temperature can be automatically reduced when the temperature in the outer shell is higher than a threshold value, meanwhile, an alarm can be given when the temperature and the pressure of the outer shell are about to exceed the limit, a user is reminded to actively process, the temperature in the outer shell is reduced, the safety of the transformer body is improved, and the potential safety hazard mentioned in the background technology is solved.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: a transformer assembly capable of automatically controlling temperature and cooling comprises a transformer body, wherein the transformer body comprises an outer shell and a winding post positioned in the outer shell, insulating oil for cooling is contained in the outer shell, and the winding post is contained in the outer shell; the heat dissipation assembly is arranged outside the outer shell and comprises a cooling shell with the bottom end below the ground and a circulating pump positioned between the cooling shell and the outer shell, the moving assembly is arranged inside the outer shell and comprises partition plates extending to the side edges of the winding posts, and the cooling assemblies are tightly attached to the opposite surfaces of the two partition plates;
the transformer body further includes: the device comprises a pressure detection unit, a temperature detection unit, a processing module and a control unit; the pressure detection unit is a pressure sensor which forms pressure information on the pressure of the insulating oil inside the outer shell; the temperature detection unit is a temperature sensor for forming temperature information on the temperature of the insulating oil inside the outer shell; the processing module judges whether the temperature and the pressure in the outer shell exceed threshold values or are about to exceed the threshold values, when at least one of the temperature and the pressure exceeds the threshold values or is about to exceed the threshold values, the control unit forms a control instruction, the insulating oil in the cooling shell in a low-temperature state is exchanged with the insulating oil in the outer shell in a high-temperature state, the cooling assembly is started, and the partition plate drives the cooling assembly to be close to the winding post.
Furthermore, the heat dissipation assembly comprises a top shell positioned on the top surface of the outer shell, the top shell protrudes upwards, the bottoms of two sides of the downward extension of the top shell are connected with a flow guide plate, the bottom end of the flow guide plate is provided with a cooling shell with an upward opening, and liquid above the top shell is guided into the cooling shell by the flow guide plate to serve as a cooling source for accelerated heat dissipation.
Further, the inside of cooling jacket holds the oil tank, and the inside of oil tank holds the insulating oil of cooling usefulness, and the output department of circulating pump is provided with the liquid change pipe that links together shell body and oil tank, and circulating pump cooperation liquid change pipe makes insulating oil form the circulation between oil tank and shell body.
Further, the movable assembly comprises a top plate located above the winding post, a cylinder is arranged on the surface of the top plate, and the output end of the cylinder is matched with the limiting part through a transmission part, so that the two partition plates drive the corresponding cooling assemblies to move oppositely and press close to the winding post.
Furthermore, the locating part includes two bisymmetry distributions in the slide rail of outer housing face, and the outside slip of slide rail is provided with the sliding sleeve, and the top of sliding sleeve is provided with the mounting panel, mounting panel and baffle fixed connection, the output and one of them mounting panel fixed connection of cylinder.
Further, the driving medium sets up in the regulating plate that roof surface central point put including rotating, the regulating plate is spindle-shaped, and the upper and lower both ends of regulating plate all articulate there is the connecting rod, and the one end that the regulating plate was kept away from to the connecting rod is articulated mutually with the surface of mounting panel.
Further, the processing module comprises a storage unit, a threshold module and an analysis module; the pressure detection unit acquires pressure information of insulating oil inside the outer shell, and after the temperature detection unit acquires temperature information of the insulating oil inside the outer shell, the storage unit receives the temperature information and the pressure information, stores the temperature information and the pressure information, and establishes a data set.
Further, the threshold module retrieves temperature information and pressure information of the current moment from the data set, compares the temperature information and the pressure information with a preset threshold, judges whether at least one of the temperature information and the pressure information exceeds the threshold, and forms judgment information if at least one of the temperature information and the pressure information exceeds the preset threshold.
Furthermore, the transformer body is also provided with an alarm unit; the control unit receives the judgment information and forms a corresponding control instruction; and the alarm unit receives the control command and gives an alarm to the outside.
Further, the analysis module acquires temperature information and pressure information at the current moment from the data set of the storage unit, and records the temperature information and the pressure information as T 1 、T 2 ...T i-1 ;P 1 、P 2 ...P i-1
Predicting the temperature information and the pressure information at the next moment in a linear regression mode to respectively obtain predicted values Ti and Pi,
based on the predicted values, the pressure and temperature related values at time t, i.e. the next time, are estimated, calculated as follows:
Figure 486425DEST_PATH_IMAGE001
comparing the obtained predicted value, namely the related value at the next moment with a threshold value to form a comparison result, and if the predicted value is greater than the threshold value, forming judgment information;
the control unit receives the judgment information and forms a control instruction;
and the alarm unit receives the control instruction and sends out alarm information.
(III) advantageous effects
The invention provides a transformer assembly capable of automatically controlling temperature and cooling. The method has the following beneficial effects:
the top shell is matched with the guide plate, rainwater accumulated above the outer shell is guided into the cooling shell, a rainwater collecting effect can be achieved, if hot insulating oil exists in the oil tank, the rainwater accumulated in the cooling shell can serve as a cold source and can dissipate heat of the oil tank, furthermore, when the outer shell is hot, the circulating pump is started according to the temperature condition, the circulating pump enables the hot insulating oil in the outer shell and the low-temperature insulating oil in the oil tank to form circulation, and a winding column can dissipate heat; when the wrapping post temperature surpassed the default, can start the circulating pump, utilize insulating oil that flows to carry the outside of shell body with the heat of wrapping post, play radiating effect to improve the security of transformer body.
When the temperature of wrapping post was too high, start cooling module and refrigerate, come control to the radiating effect between the wrapping post through the interval of control cooling module and wrapping post, utilize cylinder output power to make the baffle remove, also can flow inside insulating oil in the shell is inside, and it is even to distribute making the different insulating oil of temperature, also with the help of the motion of insulating oil, accelerates the cooling of insulating oil.
The cooperation of processing module and alarm unit when at least one of the pressure of shell body inside or temperature surpassed the default, can send the warning to the outside through alarm unit, remind the user to handle, perhaps through the cooperation of radiator unit, removal subassembly and cooling module, automatically carry out the control by temperature change to the transformer body.
Through prediction and correlation processing, a user can conveniently master the temperature and pressure change inside the outer shell as early as possible, the processing is performed as early as possible, the situation that potential safety hazards are serious due to the temperature change is avoided, the safety of the transformer body is improved, and the user who is also convenient performs temperature control processing on the transformer body.
Drawings
FIG. 1 is a schematic diagram of a front view of an automatic temperature control cooled transformer according to the present invention;
FIG. 2 is a schematic cross-sectional view of an automatic temperature control cooled transformer according to the present invention;
FIG. 3 is a schematic cross-sectional view of a heat dissipation assembly of the present invention;
FIG. 4 is a cross-sectional structural view of the cooling assembly of the present invention;
FIG. 5 is a schematic diagram of an automatic temperature control cooling process of the transformer assembly according to the present invention.
In the figure:
10. a transformer body; 11. an outer housing; 12. a winding post;
20. a heat dissipating component; 21. a top shell; 22. a baffle; 23. cooling the shell; 24. an oil tank; 25. a circulation pump; 26. a liquid changing pipe;
30. a moving assembly; 31. a top plate; 32. a cylinder; 33. a partition plate; 34. a connecting rod; 35. a slide rail; 36. a sliding sleeve; 37. an adjusting plate; 38. mounting a plate;
40. a cooling assembly;
50. a temperature detection unit;
60. a processing module; 61. a storage unit; 62. a threshold module; 63. an analysis module;
70. a control unit; 80. an alarm unit; 90. a pressure detection unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides a transformer assembly capable of automatically controlling temperature and cooling, including a transformer body 10, where the transformer body 10 includes an outer casing 11 and a winding post 12 located inside the outer casing 11, and insulating oil for cooling is contained inside the outer casing 11, and the winding post 12 is contained inside the outer casing 11; a heat dissipation assembly 20 is arranged outside the outer shell 11, the heat dissipation assembly 20 comprises a cooling shell 23 with the bottom end below the ground, and a circulating pump 25 positioned between the cooling shell 23 and the outer shell 11,
a moving assembly 30 is arranged in the outer shell 11, the moving assembly 30 comprises partition plates 33 extending to the side edges of the winding posts 12, and cooling assemblies 40 are closely attached to the opposite surfaces of the two partition plates 33;
as a further improvement, the transformer body 10 further includes: a pressure detection unit 90, a temperature detection unit 50, a processing module 60 and a control unit 70;
the pressure detection unit 90 is a pressure sensor for forming pressure information on the pressure of the insulating oil inside the outer shell 11; the temperature detection unit 50 is a temperature sensor for forming temperature information on the temperature of the insulating oil inside the outer shell 11;
the processing module 60 determines whether the temperature and the pressure inside the outer casing 11 exceed the threshold or are about to exceed the threshold, and when at least one of the temperature and the pressure exceeds the threshold or is about to exceed the threshold, the control unit 70 forms a control instruction to exchange the insulating oil in the cooling shell 23 at the low temperature with the insulating oil in the outer casing 11 at the high temperature, and starts the cooling assembly 40, so that the partition 33 drives the cooling assembly 40 to approach the winding post 12.
Example 2
Referring to fig. 1-3, the present invention provides a transformer assembly capable of automatically controlling temperature and cooling, and the present embodiment further discloses a heat dissipation assembly 20 in embodiment 1, where the heat dissipation assembly 20 includes a top case 21, a flow guide plate 22, a cooling case 23, an oil tank 24, a circulation pump 25, and a liquid exchange tube 26; wherein the content of the first and second substances,
the heat dissipation assembly 20 comprises a top shell 21 positioned on the top surface of the outer shell 11, the top shell 21 protrudes upwards, the bottoms of two sides of the downward extension of the top shell 21 are connected with a guide plate 22, the bottom end of the guide plate 22 is provided with a cooling shell 23 with an upward opening, and the guide plate 22 guides liquid above the top shell 21 into the cooling shell 23 to serve as an accelerated heat dissipation cooling source.
Liquid is mainly water, when needs cool off housing 11, can directly spray the cooling water on housing 11's top, and the inside of cooling shell 23 is flowed into to the cooling water, also can be used for collecting the rainwater, and top shell 21 can also play the guard action to housing 11 in addition.
As a further disclosure;
an oil tank 24 is accommodated in the cooling case 23, insulating oil for cooling is accommodated in the oil tank 24, a liquid change pipe 26 for connecting the outer case 11 and the oil tank 24 is provided at an output end of the circulation pump 25, and the circulation pump 25 circulates the insulating oil between the oil tank 24 and the outer case 11 in cooperation with the liquid change pipe 26.
In the embodiment, when in use, the top shell 21 is matched with the guide plate 22, rainwater accumulated above the outer shell 11 is guided into the cooling shell 23, rainwater can be collected, if hot insulating oil exists in the oil tank 24, the rainwater accumulated in the cooling shell 23 can be used as a cold source, and the oil tank 24 can be used for radiating heat, furthermore, when the inner part of the outer shell 11 is hot, the circulating pump 25 is started according to the temperature condition, and the circulating pump 25 enables the hot insulating oil in the outer shell 11 and the low-temperature insulating oil in the oil tank 24 to form circulation, so that the heat radiation effect is realized on the winding post 12;
that is to say, through setting up radiator unit 20, when wrapping post 12 temperature exceeded the default, can start circulating pump 25, utilize the insulating oil that flows to carry the heat of wrapping post 12 to the outside of shell body 11, play radiating effect to improve transformer body 10's security.
Example 3
Referring to fig. 1-4, the present invention provides a transformer assembly capable of automatically controlling temperature and cooling, and the present embodiment further discloses a moving assembly 30 in embodiment 1, where the moving assembly 30 includes a top plate 31, a cylinder 32, a partition plate 33, a connecting rod 34, a sliding rail 35, a sliding sleeve 36, an adjusting plate 37, and a mounting plate 38; wherein, the first and the second end of the pipe are connected with each other,
the moving assembly 30 includes a top plate 31 located above the winding post 12, a cylinder 32 serving as a power source is disposed on the surface of the top plate 31, and an output end of the cylinder 32 is matched with a limiting member through a transmission member, so that the two partition plates 33 drive the corresponding cooling assemblies 40 to move toward each other and approach to the winding post 12;
when the cooling device is used, the distance between the cooling component 40 and the winding post 12 is adjusted, so that the heat dissipation efficiency of the cooling component 40 to the winding post 12 can be controlled.
As a further disclosure;
the limiting parts comprise sliding rails 35 which are symmetrically distributed on the surface of the outer shell 11 in pairs, sliding sleeves 36 are arranged outside the sliding rails 35 in a sliding mode, mounting plates 38 are arranged at the top ends of the sliding sleeves 36, the mounting plates 38 are fixedly connected with the partition plates 33, and the output end of the air cylinder 32 is fixedly connected with one of the mounting plates 38.
As a further disclosure;
the driving medium sets up in the regulating plate 37 that top plate 31 surface central point put including rotating, regulating plate 37 is spindle-shaped, and the upper and lower both ends of regulating plate 37 all articulate there is connecting rod 34, and connecting rod 34 keeps away from the surface of regulating plate 37 one end and mounting panel 38 articulated mutually.
In this embodiment, when the distance between the cooling module 40 and the corresponding winding post 12 needs to be adjusted, the cylinder 32 is activated to output power, the mounting plate 38 drives the sliding sleeve 36 to slide along the outside of the sliding rail 35, the mounting plate 38 pulls or pushes one of the connecting rods 34, and then the adjusting plate 37 and the corresponding connecting rod 34 pull the other partition 33 to move, so that the corresponding cooling module 40 and the corresponding winding post 12 move closer to or farther away from each other.
When the temperature of the winding post 12 is too high and heat dissipation is needed, the cooling assembly 40 is started to refrigerate, and then the heat dissipation effect between the winding posts 12 is controlled by controlling the distance between the cooling assembly 40 and the winding post 12;
meanwhile, because the temperature of the insulating oil around the winding post 12 is higher, when the cooling assembly 40 is moved to the position, the cooling assembly 40 has a better heat dissipation effect during refrigeration. When the insulating oil cooling device is used, the partition plate 33 is moved by the power output by the cylinder 32, the insulating oil inside can also flow inside the outer shell 11, the insulating oil with different temperatures is uniformly distributed, and the cooling of the insulating oil is accelerated by the movement of the insulating oil.
Example 4
Referring to fig. 5, the present invention provides a transformer assembly capable of automatic temperature control and cooling, and this embodiment further discloses a processing module 60 in embodiment 1, where the processing module 60 includes a storage unit 61, a threshold module 62, and an analysis module 63; wherein, the first and the second end of the pipe are connected with each other,
after the pressure detecting unit 90 obtains the pressure information of the insulating oil inside the outer shell 11 and the temperature detecting unit 50 obtains the temperature information of the insulating oil inside the outer shell 11,
the storage unit 61 receives the temperature information and the pressure information, stores the temperature information and the pressure information, and establishes a data set;
the threshold module 62 retrieves temperature information and pressure information of the current time from the data set, compares the temperature information and the pressure information with a preset threshold, determines whether at least one of the temperature information and the pressure information exceeds the threshold, and forms determination information if at least one of the temperature information and the pressure information exceeds the preset threshold.
As a further improvement: the transformer body 10 is further provided with an alarm unit 80;
the control unit 70 receives the judgment information and forms a corresponding control instruction; the alarm unit 80 receives the control command and gives an alarm to the outside.
In this embodiment, when at least one of the pressure and the temperature inside the outer casing 11 exceeds a preset value, the processing module 60 and the alarm unit 80 are matched to send an alarm to the outside through the alarm unit 80 to remind a user to perform processing, or the transformer body 10 is automatically controlled by matching the heat dissipation assembly 20, the moving assembly 30 and the cooling assembly 40. It should be noted that the cooling assembly 40 may be a semiconductor cooling plate assembly.
As a further improvement:
the analysis module 63 obtains the current time temperature information and pressure information, which are marked as T, from the data set of the storage unit 61 1 、T 2 ...T i-1 ;P 1 、P 2 ...P i-1
Predicting the temperature information and the pressure information at the next moment in a linear regression mode to respectively obtain predicted values Ti and Pi,
based on the predicted values, the pressure and temperature related values at time t, i.e. the next time, are estimated, calculated as follows:
Figure 425562DEST_PATH_IMAGE002
comparing the obtained predicted value, namely the related value at the next moment with a threshold value to form a comparison result, and if the predicted value is greater than the threshold value, forming judgment information;
the control unit 70 receives the judgment information and forms a control instruction; the alarm unit 80 receives the control command and sends out alarm information.
When the device is used, after the temperature and pressure data of the insulating oil in the outer shell 11 are obtained, the predicted value of the next time point is predicted, the next time point may be a value after 15 minutes or a value after 30 minutes, the specific interval is set by a user according to requirements, the value of the next time point is correlated to form a correlation value, the correlation value formed by prediction is compared with a threshold value, the size relation between the correlation value and the threshold value is judged, and if the correlation value is higher than the threshold value, judgment information is formed.
When the transformer body temperature control device is used, through prediction and correlation processing, a user can conveniently grasp the temperature and pressure change inside the outer shell 11 as early as possible to process the temperature and pressure change as early as possible, the potential safety hazard severity caused by the temperature change is avoided, the safety of the transformer body 10 is improved, and the user can conveniently control the temperature of the transformer body 10.
In the scheme, through setting up radiator unit 20, removal subassembly 30, cooling module 40 and processing module 60, can automatically cool down when the temperature of shell body 11 inside is higher than the threshold value and handle, simultaneously, when judging that the temperature and the pressure of shell body 11 are about to surpass the limit, also can send out the police dispatch newspaper, remind the user to handle voluntarily, reduce the inside temperature of shell body 11, improve the security of transformer body 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (8)

1. The transformer assembly capable of automatically controlling the temperature and cooling comprises a transformer body (10), wherein the transformer body (10) comprises an outer shell (11) and winding posts (12) positioned inside the outer shell (11), insulating oil for cooling is contained inside the outer shell (11), and the winding posts (12) are contained inside the outer shell (11); the method is characterized in that:
a heat dissipation assembly (20) is arranged outside the outer shell (11), the heat dissipation assembly (20) comprises a cooling shell (23) with the bottom end below the ground, and a circulating pump (25) positioned between the cooling shell (23) and the outer shell (11),
a moving assembly (30) is arranged in the outer shell (11), the moving assembly (30) comprises partition plates (33) extending to the side edges of the winding posts (12), and cooling assemblies (40) are tightly attached to the opposite surfaces of the two partition plates (33);
the transformer body (10) further comprises: a pressure detection unit (90), a temperature detection unit (50), a processing module (60) and a control unit (70);
the pressure detection unit (90) is a pressure sensor which forms pressure information on the pressure of the insulating oil in the outer shell (11); the temperature detection unit (50) is a temperature sensor which forms temperature information for the temperature of the insulating oil in the outer shell (11);
the processing module (60) is used for judging whether the temperature and the pressure in the outer shell (11) exceed threshold values or are about to exceed the threshold values, when at least one of the temperature and the pressure exceeds the threshold values or is about to exceed the threshold values, the control unit (70) forms a control instruction, the insulating oil in the cooling shell (23) in a low-temperature state is exchanged with the insulating oil in the outer shell (11) in a high-temperature state, the cooling assembly (40) is started, and the partition plate (33) drives the cooling assembly (40) to approach the winding post (12);
the limiting pieces comprise sliding rails (35) which are symmetrically distributed on the surface of the outer shell (11) in pairs, sliding sleeves (36) are arranged outside the sliding rails (35) in a sliding mode, mounting plates (38) are arranged at the top ends of the sliding sleeves (36), the mounting plates (38) are fixedly connected with the partition plate (33), and the output end of the air cylinder (32) is fixedly connected with one of the mounting plates (38);
the driving medium sets up in regulating plate (37) that roof (31) surface central point put including rotating, regulating plate (37) are fusiform, and the upper and lower both ends of regulating plate (37) all articulate there is connecting rod (34), and the one end that regulating plate (37) were kept away from in connecting rod (34) is articulated mutually with the surface of mounting panel (38).
2. The transformer assembly of claim 1, wherein: radiator unit (20) are including top shell (21) that are located shell body (11) top surface, and top shell (21) are upwards protruding, and its downwardly extending's both sides bottom is connected with guide plate (22), and the bottom of guide plate (22) is equipped with upwards open-ended cooling shell (23), and guide plate (22) are with the inside of top shell (21) top liquid guide-in cooling shell (23), as the cooling source that dispels the heat with higher speed.
3. The transformer assembly capable of automatic temperature control cooling according to claim 2, wherein: an oil tank (24) is contained in the cooling shell (23), insulating oil for cooling is contained in the oil tank (24), a liquid changing pipe (26) which connects the outer shell (11) and the oil tank (24) together is arranged at the output end of the circulating pump (25), and the circulating pump (25) is matched with the liquid changing pipe (26) to enable the insulating oil to circulate between the oil tank (24) and the outer shell (11).
4. The transformer assembly capable of automatically controlling temperature and cooling according to claim 1, wherein: the movable assembly (30) comprises a top plate (31) located above the winding posts (12), a cylinder (32) is arranged on the surface of the top plate (31), and the output end of the cylinder (32) is matched with a limiting piece through a transmission piece, so that the two partition plates (33) drive the corresponding cooling assemblies (40) to move oppositely and approach to the winding posts (12).
5. The transformer assembly of claim 1, wherein: the processing module (60) comprises a storage unit (61), a threshold module (62) and an analysis module (63);
after the pressure detection unit (90) acquires the pressure information of the insulating oil in the outer shell (11) and the temperature detection unit (50) acquires the temperature information of the insulating oil in the outer shell (11),
the storage unit (61) receives the temperature information and the pressure information, stores the temperature information and the pressure information, and establishes a data set.
6. The automatically temperature-controlled and coolable transformer assembly of claim 5, wherein: the threshold module (62) extracts temperature information and pressure information at the current moment from the data set, compares the temperature information and the pressure information with a preset threshold, judges whether at least one of the temperature information and the pressure information exceeds the threshold, and forms judgment information if at least one of the temperature information and the pressure information exceeds the preset threshold.
7. The transformer assembly capable of automatically controlling temperature and cooling according to claim 1, wherein: the transformer body (10) is also provided with an alarm unit (80);
the control unit (70) receives the judgment information and forms a corresponding control instruction;
and an alarm unit (80) for receiving the control command and giving an alarm to the outside.
8. The transformer assembly capable of automatically controlling temperature and cooling according to claim 5, wherein: the analysis module (63) acquires the current temperature information and the current pressure information from the data set of the storage unit (61) and records the current temperature information and the current pressure information as T 1 、T 2 ...T i-1 ;P 1 、P 2 ...P i-1
Predicting the temperature information and the pressure information at the next moment in a linear regression mode to respectively obtain predicted values Ti and Pi,
based on the predicted value, the pressure and temperature related values at time t, i.e. the next time, are estimated, calculated as follows:
Figure FDA0003984945250000031
comparing the obtained predicted value, namely the related value at the next moment with a threshold value to form a comparison result, and if the predicted value is greater than the threshold value, forming judgment information;
a control unit (70) for receiving the judgment information and forming a control instruction;
and an alarm unit (80) for receiving the control command and sending alarm information.
CN202211338691.7A 2022-10-28 2022-10-28 Transformer assembly capable of automatically controlling temperature and cooling Active CN115394531B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211338691.7A CN115394531B (en) 2022-10-28 2022-10-28 Transformer assembly capable of automatically controlling temperature and cooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211338691.7A CN115394531B (en) 2022-10-28 2022-10-28 Transformer assembly capable of automatically controlling temperature and cooling

Publications (2)

Publication Number Publication Date
CN115394531A CN115394531A (en) 2022-11-25
CN115394531B true CN115394531B (en) 2023-02-17

Family

ID=84115287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211338691.7A Active CN115394531B (en) 2022-10-28 2022-10-28 Transformer assembly capable of automatically controlling temperature and cooling

Country Status (1)

Country Link
CN (1) CN115394531B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205723067U (en) * 2016-05-02 2016-11-23 沅陵辰州磁电高科有限公司 The oil-filled transformer that a kind of electric power is special
CN207542032U (en) * 2017-12-02 2018-06-26 江苏九天电气设备有限公司 A kind of cooling device of dry-type transformer
CN115145216A (en) * 2022-08-31 2022-10-04 江苏安世朗智能科技有限公司 Dry-type transformer intellectual detection system remote early warning system based on thing networking

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205723067U (en) * 2016-05-02 2016-11-23 沅陵辰州磁电高科有限公司 The oil-filled transformer that a kind of electric power is special
CN207542032U (en) * 2017-12-02 2018-06-26 江苏九天电气设备有限公司 A kind of cooling device of dry-type transformer
CN115145216A (en) * 2022-08-31 2022-10-04 江苏安世朗智能科技有限公司 Dry-type transformer intellectual detection system remote early warning system based on thing networking

Also Published As

Publication number Publication date
CN115394531A (en) 2022-11-25

Similar Documents

Publication Publication Date Title
KR102174725B1 (en) Hybrid cold device and magnetic stimulator having the same
US20110024150A1 (en) Cooling system and method for current carrying conductor
CN107658101A (en) A kind of height warm area differentiation power transformer cooling device
CN111627654A (en) Transformer box structure with circulation cooling function
CN108364754B (en) A kind of transformer radiating shell
CN115394531B (en) Transformer assembly capable of automatically controlling temperature and cooling
CN212934313U (en) Shell type dry type transformer temperature control heat dissipation device
KR20120107339A (en) Low carbon transformer with cooling unit
CN219420035U (en) Intelligent electrical cabinet capable of automatically adjusting temperature
CN104384672A (en) Intelligent high-efficiency cooling machine
CN105788826A (en) Hot air flow guide device of clamping part of dry-type transformer
CN208695947U (en) A kind of steel bar meter temperature control device
CN114566365B (en) Power transformer with overheat protection function
CN216084517U (en) Distribution transformer that radiating effect is good
CN211208177U (en) Oil-immersed transformer cooling system
CN111354542A (en) Novel transformer
CA2055809A1 (en) Process for refrigerating a busway for very low temperature electrical material and device for carrying such
CN208150857U (en) A kind of oil injection type electromagnetic eddy current brake
CN207868024U (en) A kind of amorphous alloy oil immersion type transformer heat sink
CN219476453U (en) Intelligent starting transformer temperature regulating device
CN219202916U (en) Transformer heat abstractor
CN220873397U (en) Automatic temperature control box type transformer
CN214899770U (en) High heat dissipation capacity box-type substation
CN214312821U (en) Oil-immersed transformer
CN217606678U (en) Dry-type transformer with combination temperature control system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant