CN213242215U - Multichannel circulative cooling epoxy pouring dry-type transformer - Google Patents
Multichannel circulative cooling epoxy pouring dry-type transformer Download PDFInfo
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- CN213242215U CN213242215U CN202021748312.8U CN202021748312U CN213242215U CN 213242215 U CN213242215 U CN 213242215U CN 202021748312 U CN202021748312 U CN 202021748312U CN 213242215 U CN213242215 U CN 213242215U
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Abstract
The utility model provides a multichannel circulative cooling epoxy pouring dry-type transformer, including base and frame, install the lower carriage on the base, the frame passes through the lower carriage fixed mounting in the base top, install cooling cycle device in the base, the vent is all seted up to the frame top, shelf inner wall mounting exhaust fan, installation dry-type transformer main part in the frame, dry-type transformer main part includes binding post, upper bracket, insulating meson, iron core and coil winding, the upper bracket is installed above dry-type transformer main part, binding post includes primary binding post and secondary binding post, insulating meson includes coil insulation shell and insulating terminal row, install on the upper bracket about the insulating terminal row, primary binding post and secondary binding post install respectively on the insulating terminal row, the coil windings include a high voltage coil winding and a low voltage coil winding.
Description
Technical Field
The utility model relates to a transformer technical field especially relates to a multichannel circulative cooling epoxy pouring dry-type transformer.
Background
A Transformer (Transformer) is a device that changes an alternating-current voltage by 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 (magnetic saturation transformer) and the like. The transformer can be divided into a power transformer and a special transformer (an electric furnace transformer, a rectification transformer, a power frequency test transformer, a voltage regulator, a mining transformer, an audio transformer, a medium-frequency transformer, a high-frequency transformer, an impact transformer, an instrument transformer, an electronic transformer, a reactor, a mutual inductor and the like) according to the application. The circuit symbols are usually T as the beginning of the numbering, e.g., T01, T201, etc. The dry type transformer is a transformer with an iron core and a winding which are not immersed in insulating oil, and the dry type transformer can be provided with a perfect temperature detection and protection system. The intelligent signal temperature control system is adopted, the respective working temperature of the three-phase winding can be automatically detected and displayed in a circulating way, the fan can be automatically started and stopped, and the functions of alarming, tripping and the like are set.
For example, chinese patent application No. CN201720159818.7 discloses a multichannel circulative cooling epoxy cast dry-type transformer, which comprises a transformer body, wherein the transformer body comprises a three-phase coil winding, two cooling liquid boxes are arranged beside the transformer body, a plurality of annular heat dissipation air ducts are arranged in the three-phase coil winding, the heat dissipation air ducts are arranged along the axial direction of the coil winding and penetrate through the coil winding, at least one set of cooling pipes is arranged in the heat dissipation air ducts, the cooling pipes are respectively communicated with the two cooling liquid boxes, and a cooling fan is arranged below the transformer body. The cooling pipe is arranged in the coil winding, meanwhile, the cooling pipe is communicated with the cooling liquid boxes on the upper side and the lower side of the transformer body, and the circulation flow of the cooling liquid in the two cooling liquid boxes and the cooling pipe is realized through the lift pump, so that the heat in the coil winding is taken away, and the heat radiation performance is improved; additionally, the utility model provides a pair of outside circulative cooling epoxy pouring dry-type transformer adopts forced air cooling and circulating water cooling's mode to combine together, has further improved the heat dispersion of vary voltage.
The problem of slow cooling of the circulation cooling device is not well solved in the above structure.
SUMMERY OF THE UTILITY MODEL
For overcoming the slow problem of the cooling of the circulative cooling device who exists among the prior art, the utility model provides a multichannel circulative cooling epoxy pouring dry-type transformer.
The utility model discloses a multichannel circulative cooling epoxy pouring dry-type transformer, including base and frame, install the lower carriage on the base, the frame passes through the lower carriage fixed mounting is in the base top, install cooling cycle device in the base, the vent is all seted up to the frame top, shelf inner wall mounting exhaust fan, installation dry-type transformer main part in the frame, dry-type transformer main part includes binding post, upper bracket, insulating meson, iron core and coil winding, the upper bracket is installed above dry-type transformer main part, binding post includes primary binding post and secondary binding post, insulating meson includes coil insulation shell and insulating terminal row, the insulating terminal row is installed about installing on the upper bracket, primary binding post and secondary binding post install respectively on the insulating terminal row, the coil winding comprises a high-voltage coil winding and a low-voltage coil winding, the coil insulation shell is arranged on the outer side and the upper and lower ends of the high-voltage coil winding and the low-voltage coil winding, the iron core is vertically arranged in the dry-type transformer main body, the high-voltage coil winding and the low-voltage coil winding are wound on the iron core, the cooling circulation device comprises an exhaust fan, a temperature sensor, a vent, a cooling device, a power supply mechanism and a pipeline, the exhaust fan is arranged at the bottom of the dry-type transformer main body, the temperature sensor is arranged on the inner wall of the dry-type transformer main body, the power supply mechanism is connected with the secondary connecting terminal, the cooling device comprises a cooling box,
the compressor is connected to the dry type transformer main body through the pipeline, the compressor is connected to the condenser and the cooling box, and a refrigerant is placed in the cooling box.
On the basis, the controller is installed inside the base.
On the basis, the insulating meson is made of epoxy resin, and the iron core is made of silicon steel sheets.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a multichannel circulative cooling epoxy pouring dry-type transformer installs temperature sensor in dry-type transformer main part, and temperature sensor gives controlling means with signal transmission, and controlling means control cooling device sets up the temperature with cooling device in advance, increases the amount of wind when the inside temperature of dry-type transformer main part is higher than the temperature that sets up in advance, guarantees the inside constant temperature state that is in of dry-type transformer main part simultaneously.
(2) The utility model discloses a multichannel circulative cooling epoxy pouring dry-type transformer installs the exhaust fan on the frame inner wall, and the cooling cycle device is installed in the base, saves space, does not influence the structure of dry-type transformer main part, simple structure, and is rationally distributed, has changed prior art and has installed the cooling tube inside dry-type transformer.
(3) The utility model discloses a multichannel circulative cooling epoxy pouring dry-type transformer connects secondary binding post with cooling device's power supply unit, and cooling device starts at dry-type transformer main part during operation, through the transformer power supply, reaches energy-conserving effect.
(4) The utility model discloses a multichannel circulative cooling epoxy pouring dry-type transformer, adopt air-cooled form, install the exhaust fan in dry-type transformer main part bottom, guarantee that the inside hot-blast of dry-type transformer main part can in time be discharged, set up the vent with the top around the frame, including the wall mounting exhaust fan dispels the heat by oneself, installation cooling cycle device in the base, adopt by oneself the heat dissipation and combine together with outside heat dissipation, increase the cooling radiating effect, the vent is seted up in the top, the vent passes through pipe connection cooling device, with cold wind and hot-blast form circulation between dry-type transformer main part and cooling device, become cold wind under the condenser effect after hot-blast entering compressor, continue to give the inside heat dissipation of dry-type transformer main.
Drawings
FIG. 1 is a schematic view of the structure of the multi-channel circulative cooling epoxy cast dry type transformer;
fig. 2 is the utility model discloses a multichannel circulative cooling epoxy pouring dry-type transformer controlling means schematic diagram.
In the figure: 1. the high-voltage transformer comprises a base, 2, a high-voltage coil winding, 3, an exhaust fan, 4, an insulating terminal row, 5, a rack, 6, a primary wiring terminal, 7, a ventilation opening, 8, a secondary wiring terminal, 9, an upper bracket, 10, a dry-type transformer body, 11, a low-voltage coil winding, 12, a compressor, 13, a condenser, 14, a cooling box, 15, a coil insulating shell, 16, a lower bracket, 17, a temperature sensor, 18, a controller, 19, an iron core, 20 and a pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model discloses a multichannel circulative cooling epoxy pouring dry-type transformer, refer to fig. 1 and fig. 2, including base 1 and frame 5, install lower carriage 16 on base 1, frame 5 passes through lower carriage 16 fixed mounting is in base 1 top, install cooling cycle device in the base 1, vent 7 is all seted up to frame 5 top, shelf 5 inner wall mounting exhaust fan 3, shelf 5 inner mounting dry-type transformer main part 10, dry-type transformer main part 10 includes binding post, upper bracket 9, insulating meson, iron core 19 and coil winding, upper bracket 9 is installed in dry-type transformer main part 10 top, binding post includes primary binding post 6 and secondary binding post 8, insulating meson includes coil insulation shell 15 and insulating terminal row 4, install about insulating terminal row 4 on upper bracket 9, the primary connecting terminal 6 and the secondary connecting terminal 8 are respectively installed on the insulating terminal strip 4, the coil winding comprises a high-voltage coil winding 2 and a low-voltage coil winding 11, a coil insulating shell 15 is installed on the outer side and the upper and lower ends of the high-voltage coil winding 2 and the low-voltage coil winding 11, an iron core 19 is vertically installed in the dry-type transformer main body 10, the high-voltage coil winding 2 and the low-voltage coil winding 11 are wound on the iron core 19, the cooling circulation device comprises an exhaust fan 3, a temperature sensor 17, a ventilation opening 7, a cooling device, a power supply mechanism and a pipeline 20, the exhaust fan 3 is installed at the bottom of the dry-type transformer main body 10, the temperature sensor 17 is installed on the inner wall of the dry-type transformer main body 10, the power supply mechanism is connected with the secondary connecting terminal 8, The condenser 13 and the compressor 12, the compressor 12 is connected to the dry type transformer main body 10 through the pipe 20, the compressor 12 is connected to the condenser 13 and the cooling tank 14, and a refrigerant is placed in the cooling tank 14.
As the preferred embodiment of the present invention, in this embodiment, the control device includes the controller 18, the temperature detection module, the start/stop module, the power supply module, the alarm module, the safety protection module, the humidity detection module, the refrigerant leakage detection module and the transformer detection module.
As the preferred embodiment of the present invention, in this embodiment, the controller 18 with the temperature detection module, open and stop the module, power module, alarm module, safety protection module, humidity detection module, refrigerant reveal and adopt wireless connection between detection module and the transformer detection module.
As a preferred embodiment of the present invention, in this embodiment, the safety protection module includes an overcurrent protection module and a trip protection module.
As the preferred embodiment of the present invention, in this embodiment, the transformer detection module includes transformer insulation detection module and transformer winding internal resistance detection.
As a preferred embodiment of the present invention, in the present embodiment, the controller 18 is installed inside the base 1.
As a preferred embodiment of the present invention, in this embodiment, the temperature detection module is used for detecting the temperature in the dry-type transformer main body 10, the start/stop module is used for starting and stopping the dry-type transformer main body 10, the power supply module is used for supplying power to the dry-type transformer main body 10 and the cooling circulation device, the alarm module is used for timely alarming when the dry-type transformer main body 10 and the cooling circulation device have problems, the humidity detection module is used for detecting the humidity in the dry-type transformer main body 10, and the refrigerant leakage detection module is used for detecting the condition of the refrigerant.
As a preferred embodiment of the present invention, in this embodiment, the overload protection module is used for protecting the dry-type transformer main body 10 and the cooling cycle device from overload, and the trip protection module is used for protecting the dry-type transformer main body 10 and the cooling cycle device from tripping.
As the preferred embodiment of the present invention, in this embodiment, the transformer insulation detection module is used for detecting the insulation condition of the insulating meson of the dry-type transformer main body 10, the transformer winding internal resistance detection module is used for detecting the coil winding internal resistance in the dry-type transformer main body 10.
As a preferred embodiment of the present invention, in this embodiment, the insulating meson is made of epoxy resin, and the iron core 19 is made of silicon steel sheet.
In the actual use process, high voltage is connected to the primary connecting terminal, the high-voltage coil winding and the low-voltage coil winding are wound on the iron core to generate electromagnetic induction, high voltage is converted into low voltage, the high voltage is output from the secondary connecting terminal, the electromagnetic induction can generate heat, the exhaust fan is arranged on the inner wall of the rack, the cooling circulating device is arranged in the base, the space is saved, the structure of the main body of the dry-type transformer is not influenced, the structure is simple, the layout is reasonable, and the situation that the cooling pipe is arranged in the dry-type transformer in the prior art; the dry-type transformer is characterized in that a temperature sensor is installed in a dry-type transformer main body, the temperature sensor transmits a signal to a control device, the control device controls a cooling device, the cooling device is preset in temperature, air quantity is increased when the temperature in the dry-type transformer main body is higher than the preset temperature, meanwhile, the interior of the dry-type transformer main body is guaranteed to be in a constant temperature state, a power supply device of the cooling device is connected with a secondary connecting terminal, the cooling device is started when the dry-type transformer main body works, and power is supplied through a transformer, so that the; the air cooling type dry-type transformer is characterized in that an air cooling mode is adopted, an exhaust fan is installed at the bottom of a dry-type transformer main body to ensure that hot air in the dry-type transformer main body can be timely discharged, ventilation openings are formed in the periphery and the upper portion of a rack, the exhaust fan is installed on the inner wall to conduct self heat dissipation, a cooling circulation device is installed in a base, self heat dissipation and external heat dissipation are combined to increase the cooling heat dissipation effect, the ventilation openings are formed in the upper portion, the ventilation openings are connected with the cooling device through pipelines, cold air and hot air circulate between the dry-type transformer main body and the cooling device in a mode, and the hot air is changed.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounting," "disposing," "connecting," "fixing," "screwing," "padding," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (3)
1. A multichannel circulative cooling epoxy pouring dry-type transformer which characterized in that: comprises a base (1) and a frame (5), wherein the base (1) is provided with a lower bracket (16), the frame (5) is fixedly arranged above the base (1) through the lower bracket (16), the base (1) is internally provided with a cooling circulation device, the frame (5) is provided with a vent (7) at the upper part, the frame (5) is internally provided with an exhaust fan (3) at the inner wall, the frame (5) is internally provided with a dry-type transformer main body (10),
the dry-type transformer comprises a dry-type transformer body (10) and is characterized in that the dry-type transformer body (10) comprises a wiring terminal, an upper bracket (9), an insulating meson, an iron core (19) and a coil winding, the upper bracket (9) is installed above the dry-type transformer body (10), the wiring terminal comprises a primary wiring terminal (6) and a secondary wiring terminal (8), the insulating meson comprises a coil insulating shell (15) and an insulating terminal row (4), the insulating terminal row (4) is installed on the upper bracket (9) in a left-right mode, the primary wiring terminal (6) and the secondary wiring terminal (8) are installed on the insulating terminal row (4) respectively, the coil winding comprises a high-voltage coil winding (2) and a low-voltage coil winding (11), the coil insulating shell (15) is installed on the outer side and the upper and lower ends of the high-voltage coil winding (2) and the low-voltage coil winding (11), and, the high-voltage coil winding (2) and the low-voltage coil winding (11) are wound on the iron core (19), the cooling circulation device comprises an exhaust fan (3), a temperature sensor (17), a ventilation opening (7), a cooling device, a power supply mechanism and a pipeline (20), the exhaust fan (3) is installed at the bottom of the dry-type transformer main body (10), the temperature sensor (17) is installed on the inner wall of the dry-type transformer main body (10),
the power supply mechanism is connected with the secondary connecting terminal (8),
the cooling device comprises a cooling tank (14), a condenser (13) and a compressor (12),
the compressor (12) is connected to the dry type transformer main body (10) through the pipeline (20), the compressor (12) is connected to the condenser (13) and the cooling tank (14), and a refrigerant is placed in the cooling tank (14).
2. The multi-channel circulative cooling epoxy-cast dry-type transformer according to claim 1, characterized in that: the device also comprises a controller (18), wherein the controller (18) is installed inside the base (1).
3. The multi-channel circulative cooling epoxy-cast dry-type transformer according to claim 1, characterized in that: the insulating meson is made of epoxy resin, and the iron core (19) is made of silicon steel sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748312.8U CN213242215U (en) | 2020-08-20 | 2020-08-20 | Multichannel circulative cooling epoxy pouring dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748312.8U CN213242215U (en) | 2020-08-20 | 2020-08-20 | Multichannel circulative cooling epoxy pouring dry-type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN213242215U true CN213242215U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021748312.8U Active CN213242215U (en) | 2020-08-20 | 2020-08-20 | Multichannel circulative cooling epoxy pouring dry-type transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766265A (en) * | 2024-02-21 | 2024-03-26 | 山东中鸿云计算技术有限公司 | Transformer heat dissipation control system |
| CN117766265B (en) * | 2024-02-21 | 2024-05-31 | 山东中鸿云计算技术有限公司 | Transformer heat dissipation control system |
-
2020
- 2020-08-20 CN CN202021748312.8U patent/CN213242215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766265A (en) * | 2024-02-21 | 2024-03-26 | 山东中鸿云计算技术有限公司 | Transformer heat dissipation control system |
| CN117766265B (en) * | 2024-02-21 | 2024-05-31 | 山东中鸿云计算技术有限公司 | Transformer heat dissipation control system |
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