CN112103043B - Intelligent maintenance-free air replacement device for transformer - Google Patents
Intelligent maintenance-free air replacement device for transformer Download PDFInfo
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- CN112103043B CN112103043B CN202010963939.3A CN202010963939A CN112103043B CN 112103043 B CN112103043 B CN 112103043B CN 202010963939 A CN202010963939 A CN 202010963939A CN 112103043 B CN112103043 B CN 112103043B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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Abstract
The invention discloses an intelligent maintenance-free air replacement device for a transformer, which comprises a first shell and a second shell. The first shell comprises an end cover and a water outlet, and the second shell comprises a moisture absorption evaporation unit, an air outlet and a base. According to the device, air and moist air in the transformer can be fully dried at one time through the moisture absorption evaporation assembly arranged in the second shell, so that moisture absorption silica gel particles are prevented from being heated for many times, and the service life of the device is greatly prolonged. The vent connected with the transformer can be closed by the waterproof disk in the evaporation process, so that secondary pollution is avoided. The whole process is carried out automatically, maintenance is not needed, the service life of the device is long, and a large amount of time of workers is saved.
Description
Technical Field
The invention relates to the technical field of air treatment, in particular to an intelligent maintenance-free air replacement device for a transformer.
Background
At present, transformers governed by Guizhou power grid companies all use old 'oil cup type' respirators, generally need to be maintained once every 2-4 months in the environment of Guizhou high humidity, the maintenance frequency is more frequent particularly in rainy seasons, the operation is complicated, and part of the transformers need to be maintained in a power failure mode, so that huge economic loss is caused. Traditional non-maintaining desiccator generally adopts the single-barrel design, adopts the heating method dehumidification of timing point, length regularly, causes dry season to heat excessively, and rainy season moisture can not be removed to the greatest extent, heats repeatedly and also reduces the silica gel life-span, and the dehumidification in-process, damp and hot gas can get into transformer expiratory tube and cause secondary pollution. Therefore, a device which is free of maintenance, can fully evaporate silica gel once according to the water absorption degree of the silica gel, and can prevent hot gas from entering the transformer in the evaporation process needs to be designed.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional maintenance-free air displacement apparatus for an intelligent transformer.
Therefore, the invention aims to solve the problems that the moisture absorption silica gel particles are not completely evaporated, the hot and humid gas enters the transformer in the dehumidification process to cause secondary pollution, and a large amount of time is consumed for manual maintenance.
In order to solve the technical problems, the invention provides the following technical scheme: an intelligent maintenance-free air replacement device for a transformer comprises a first shell, a second shell, a water inlet, a water outlet and a water outlet, wherein an accommodating space is formed in the first shell, and the first shell comprises an end cover arranged at the top of the first shell and the water outlet arranged at the bottom of the first shell; and the second shell is arranged in the accommodating space, forms an accommodating space inside the second shell, and comprises a filter plate arranged in the accommodating space, a moisture absorption evaporation unit arranged in the accommodating space, an exhaust port arranged on the side surface of the second shell and a base arranged at the bottom of the second shell.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the end cover also comprises an air inlet arranged at the top of the end cover; the base also includes a vent disposed at a bottom thereof.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the moisture absorption and evaporation unit comprises a first moisture absorption and evaporation component arranged above the accommodating space and a second moisture absorption and evaporation component arranged below the accommodating space; the first moisture absorbing and evaporating component and the second moisture absorbing and evaporating component are consistent in structure.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the first moisture absorption evaporation assembly comprises a first moisture absorption evaporation disc arranged in the accommodating space, a circular groove arranged at the top of the first moisture absorption evaporation disc, a first through hole arranged on the side surface of the first moisture absorption evaporation disc, a heating disc arranged in the first moisture absorption evaporation disc, a conductive column connected with the heating disc and matched with the first through hole, and a spring connected with the first moisture absorption evaporation disc; the first moisture absorption evaporation disc is hollow; the second casing still include with lead electrical pillar complex second opening, set up in the conducting strip of second opening bottom, and set up in the wire of second casing side.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the first moisture absorption evaporation disc comprises a first air transfer port arranged at the top of the first moisture absorption evaporation disc; the second moisture absorption evaporation assembly comprises a second moisture absorption evaporation tray and a second air transfer port arranged at the top of the second moisture absorption evaporation tray; the first air transfer port and the second air transfer port are alternately arranged on one side of the first moisture absorption evaporation disc and one side of the second moisture absorption evaporation disc where the first air transfer port and the second air transfer port are located.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the second moisture absorption evaporation assembly further comprises a connecting shaft arranged at the bottom of the second moisture absorption evaporation tray, and a waterproof tray connected with the connecting shaft.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the filter plate includes the filter plate air vent that sets up in its top.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the first moisture absorption evaporation disc further comprises a connecting through groove arranged between the first air transmission port and the circular groove.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: one end of the spring is connected with the filter plate, and the other end of the spring is connected with the first moisture absorption evaporation disc.
As a preferable scheme of the maintenance-free air replacement device for the intelligent transformer of the present invention, wherein: the filter plate also comprises a connecting ring arranged on the side surface of the filter plate; the base further comprises a connecting flange arranged at the bottom of the base.
The invention has the advantages that the moisture absorption evaporation assembly arranged in the second shell can fully dry air and damp air in the transformer at one time, thereby avoiding heating moisture absorption silica gel particles for many times and greatly prolonging the service life of the device. The vent connected with the transformer can be closed by the waterproof disk in the evaporation process, so that secondary pollution is avoided. The whole process is carried out automatically, maintenance is not needed, the service life of the device is long, and a large amount of time of workers is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall view of an intelligent maintenance-free air replacement device for a transformer.
Fig. 2 is an internal view of the maintenance-free air replacement device of the intelligent transformer.
Fig. 3 is a partial exploded view of the maintenance-free air replacement device of the intelligent transformer.
Fig. 4 is an external view of a second housing of the maintenance-free air replacement device of the intelligent transformer.
Fig. 5 is a structural diagram of a moisture absorption evaporation assembly of the maintenance-free air replacement device of the intelligent transformer.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 5, a first embodiment of the present invention provides an intelligent maintenance-free air replacement device for a transformer, which includes a first casing 100 and a second casing 200, the second casing 200 is disposed inside the first casing 100, the moisture absorption evaporation unit 202 disposed inside the second casing 200 can respectively dry the moist air entering the air replacement device and the moist air inside the transformer, and the moisture absorption evaporation unit can achieve the moisture absorption degree according to the silica gel dry particles on the premise that the drying function is realized by the assembly, so that the silica gel dry particles can be sufficiently evaporated at one time, and repeated heating can be avoided.
Specifically, the first housing 100, which forms an accommodating space N therein, includes an end cover 101 disposed at the top of the first housing 100, a water outlet 102 disposed at the bottom of the first housing 100, and an air inlet 101a disposed at the top of the end cover 101. The end cap 101 may be fixedly mounted on the top of the first housing 100 by welding or screwing. The device is air-communicable with the outside through the air inlet 101 a. Preferably, the first casing 100 is a glass condensation cover, which can be implemented by the prior art, and only the water vapor discharged from the second casing 200 can be condensed. The condensed water is discharged out of the air displacing device through the drain port 102.
The second casing 200 is disposed in the accommodating space N, and an accommodating space M is formed inside the second casing 200, and includes a filter 201 disposed in the accommodating space M, a moisture absorption evaporation unit 202 disposed in the accommodating space M, an exhaust port 203 disposed on a side surface of the second casing 200, and a base 204 disposed at a bottom of the second casing 200. The base 204 also includes a vent 204a disposed at the bottom thereof. The filter 201 is a conventional ceramic filter, and can filter dust in air. The moisture absorption evaporation assembly 202 is installed inside the second casing 200, water vapor evaporated by the moisture absorption evaporation assembly 202 is discharged into the first casing 100 through the exhaust port 203, and a gap Z is reserved between the first casing 100 and the second casing 200, so that the water vapor and the first casing 100 can be condensed conveniently, and condensed water is not easy to flow back.
Further, the moisture absorption evaporation assembly 202 comprises a first moisture absorption evaporation assembly 202a disposed above the accommodating space M, and a second moisture absorption evaporation assembly 202b disposed below the accommodating space M; the first hygroscopic evaporating element 202a and the second hygroscopic evaporating element 202b are structurally identical. The first moisture absorption evaporation assembly 202a is arranged above the filter plate 201, firstly absorbs moisture of outside air for the first time, and undertakes secondary moisture absorption of moist air in the transformer; the second moisture absorption evaporation assembly 202b is arranged below the filter plate 201, moisture absorption is carried out on moist air inside the transformer for the first time, moisture absorption is carried out on outside air for the second time, the circulated air is sufficiently dried, and the insulation strength of transformer oil in the transformer is kept.
Further, the first moisture absorption and evaporation assembly 202a comprises a first moisture absorption and evaporation disc 202a-1 arranged in the accommodating space M, a circular groove 202a-2 arranged at the top of the first moisture absorption and evaporation disc 202a-1, a first through port 202a-3 arranged at the side of the first moisture absorption and evaporation disc 202a-1, a heating disc 202a-4 arranged in the first moisture absorption and evaporation disc 202a-1, a conductive post 202a-5 connected with the heating disc 202a-4 and matched with the first through port 202a-3, and a spring 202a-6 connected with the first moisture absorption and evaporation disc 202 a-1; the circular groove 202a-2 is used for placing silica gel drying agent and preventing the silica gel drying agent from falling off after absorbing water and expanding. The first moisture absorption evaporation disc 202a-1 is hollow, so that the heating disc 202a-4 can be conveniently installed; the second housing 200 further includes a second opening 205 for mating with the conductive post 202a-5, a conductive pad 206 disposed at the bottom of the second opening 205, and a conductive wire 207 disposed at the side of the second housing 200. When the conductive post 202a-5 contacts the conductive tab 206, the heating plate 202a-4 begins to heat the first moisture evaporating plate 202 a-1. The wires 207 are operable to connect to an external power source to provide power to the heating plates 202 a-4.
In the initial state, supported by the spring 202a-6, the conductive post 202a-5 is at the bottom of the first port 202a-3 and at the top of the second port 205, where the silica gel desiccant is in a dry state. The first process is as follows: when the silica gel desiccant absorbs water to a certain degree, the first moisture absorption evaporation disc 202a-1 is moved downwards, the conductive column 202a-5 is still at the bottom end of the first through hole 202a-3, but gradually approaches the bottom end of the second through hole 205 until contacting with the conductive sheet 206, the conductive sheet 206 is connected with the conductive wire 207, the conductive wire 207 is connected with an external power supply, when the conductive column 202a-5 contacts with the conductive sheet 206, the external power supply is connected with the heating disc 202a-4, and at this time, the heating disc 202a-4 starts to heat the first moisture absorption evaporation disc 202 a-1. The second process is as follows: during the heating evaporation process, the silica gel desiccant continues to absorb water, so that the first moisture absorption evaporation disc 202a-1 continues to move downwards, the conductive column 202a-5 is located at the bottom end of the second through hole 205, but gradually approaches the top end of the first through hole 202a-3, and when the conductive column 202a-5 reaches the top end of the first through hole 202a-3, the water absorption capacity of the silica gel desiccant reaches the maximum value. The third process is: the heating plate 202a-4 heats and evaporates the silica gel desiccant sufficiently, as the evaporation proceeds, the first moisture absorption evaporation plate 202a-1 will rise gradually under the action of the spring 202a-6, when the bottom end of the first through port 202a-3 contacts with the conductive post 202a-5, the silica gel desiccant is dried sufficiently, at this time, the first moisture absorption evaporation plate 202a-1 will drive the conductive post 202a-5 to continue rising, and separate from the conductive sheet 206, and the heating plate 202a-4 stops working, and finally returns to the initial state. The second absorbent evaporating element 202b operates on the same principle as the first absorbent evaporating element 202a, since it is structurally identical to the first absorbent evaporating element 202 a.
Further, the first moisture absorption evaporation pan 202a-1 includes a first air transfer port 202a-11 provided at the top thereof; second moisture-absorbing evaporating element 202b comprises a second moisture-absorbing evaporating pan 202b-1 and a second air-transfer opening 202b-11 provided at the top of second moisture-absorbing evaporating pan 202 b-1; the first transfer ports 202a-11 and the second transfer ports 202b-11 are alternately provided on one side of the first moisture-absorbing evaporation pan 202a-1 and the second moisture-absorbing evaporation pan 202b-1 where they are located. When the transformer or the mutual inductor causes the volume of transformer oil to expand with heat and contract with cold due to the change of load or environment temperature, the gas in the oil storage cabinet is forced to breathe through the drying agent in the device, and the gas in the transformer can rise along the S-shaped route of the gas transmission port after entering the device through the gas transmission ports which are alternately arranged, so that the stroke of the device is increased, and the device is convenient to fully contact with the silica gel drying agent. The outside air enters the device and goes through the similar process.
Preferably, the filter plate 201 includes filter plate air vents 201a disposed at the top thereof, the filter plate air vents 201a being disposed to facilitate air circulation. The first moisture absorption evaporation disc 202a-1 further comprises a connecting through groove 202a-12 arranged between the first air transfer port 202a-11 and the circular groove 202a-2, and moist air can be better contacted with the silica gel desiccant through the connecting through groove 202a-12, so that the water absorption capacity is enhanced. The spring 202a-6 has one end connected to the filter plate 201 and the other end connected to the first moisture-absorption evaporating plate 202 a-1. The filter plate 201 further includes a connection ring 201b provided at a side surface thereof, and the filter plate 201 is fixed in the second housing 200 through the connection ring 201b and a groove in the second housing 200 to be engaged therewith. The base 204 further comprises a connecting flange 204b arranged at the bottom thereof, and the device can be connected with a transformer or a mutual inductor through the connecting flange 204 b.
To sum up, the second housing 200 is disposed in the first housing 100, the moisture absorption evaporation unit 202 is disposed in the second housing 200, the first moisture absorption evaporation component 202a is disposed above the accommodating space M, and the second moisture absorption evaporation component 202b is disposed below the accommodating space M. During operation, the inside air of outside air and transformer circulates through this device, dries the humid air through first moisture absorption evaporation subassembly 202a and second moisture absorption evaporation subassembly 202b, and filter 201 filters the dust in the air, prevents to get into the transformer and causes the pollution. The first moisture absorption evaporation component 202a and the second moisture absorption evaporation component 202b can fully absorb moisture in the air, and the silica gel desiccant can be fully evaporated at one time through the device, so that repeated heating is avoided, and the service life of the device is prolonged. The whole evaporation process is automatically carried out without maintenance, thereby saving a large amount of time.
When in use, the filter plate 201 is connected with the second casing 200, the first moisture absorption and evaporation assembly 202a is connected with the filter plate 201, the second moisture absorption and evaporation assembly 202b is connected with the base 204, so that the moisture absorption and evaporation unit 202 is installed in the second casing 200, the second casing 200 is connected with the first casing 100, and finally the end cover 101 is installed on the first casing 100.
Example 2
Referring to fig. 5, a second embodiment of the present invention, which is different from the first embodiment, is: the second moisture absorption evaporation assembly 202b further comprises a connecting shaft 202b-2 arranged at the bottom of the second moisture absorption evaporation tray 202b-1, and a waterproof tray 202b-3 connected with the connecting shaft 202 b-2. In the last embodiment, the maintenance-free air replacement device for the intelligent transformer comprises a first shell 100 and a second shell 200, the second shell 200 is arranged inside the first shell 100, the moisture absorption evaporation unit 202 arranged inside the second shell 200 can respectively dry the moist air entering the air replacement device and the moist air inside the transformer, and on the premise that the drying function is realized through the component, the moisture absorption degree of the silica gel dry particles can be achieved, the silica gel dry particles can be fully evaporated at one time, and repeated heating is avoided.
Specifically, the first housing 100, which forms an accommodating space N therein, includes an end cover 101 disposed at the top of the first housing 100, a water outlet 102 disposed at the bottom of the first housing 100, and an air inlet 101a disposed at the top of the end cover 101. The end cap 101 may be fixedly mounted on the top of the first housing 100 by welding or screwing. The device is air-communicable with the outside through the air inlet 101 a. Preferably, the first casing 100 is a glass condensation cover, which can be implemented by the prior art, and only the water vapor discharged from the second casing 200 can be condensed. The condensed water is discharged out of the air displacing device through the drain port 102.
The second casing 200 is disposed in the accommodating space N, and an accommodating space M is formed inside the second casing 200, and includes a filter 201 disposed in the accommodating space M, a moisture absorption evaporation unit 202 disposed in the accommodating space M, an exhaust port 203 disposed on a side surface of the second casing 200, and a base 204 disposed at a bottom of the second casing 200. The base 204 also includes a vent 204a disposed at the bottom thereof. The filter 201 is a conventional ceramic filter, and can filter dust in air. The moisture absorption evaporation assembly 202 is installed inside the second casing 200, water vapor evaporated by the moisture absorption evaporation assembly 202 is discharged into the first casing 100 through the exhaust port 203, and a gap Z is reserved between the first casing 100 and the second casing 200, so that the water vapor and the first casing 100 can be condensed conveniently, and condensed water is not easy to flow back.
Further, the moisture absorption evaporation assembly 202 comprises a first moisture absorption evaporation assembly 202a disposed above the accommodating space M, and a second moisture absorption evaporation assembly 202b disposed below the accommodating space M; the first hygroscopic evaporating element 202a and the second hygroscopic evaporating element 202b are structurally identical. The first moisture absorption evaporation assembly 202a is arranged above the filter plate 201, firstly absorbs moisture of outside air for the first time, and undertakes secondary moisture absorption of moist air in the transformer; the second moisture absorption evaporation assembly 202b is arranged below the filter plate 201, moisture absorption is carried out on moist air inside the transformer for the first time, moisture absorption is carried out on outside air for the second time, the circulated air is sufficiently dried, and the insulation strength of transformer oil in the transformer is kept.
Further, the first moisture absorption and evaporation assembly 202a comprises a first moisture absorption and evaporation disc 202a-1 arranged in the accommodating space M, a circular groove 202a-2 arranged at the top of the first moisture absorption and evaporation disc 202a-1, a first through port 202a-3 arranged at the side of the first moisture absorption and evaporation disc 202a-1, a heating disc 202a-4 arranged in the first moisture absorption and evaporation disc 202a-1, a conductive post 202a-5 connected with the heating disc 202a-4 and matched with the first through port 202a-3, and a spring 202a-6 connected with the first moisture absorption and evaporation disc 202 a-1; the circular groove 202a-2 is used for placing silica gel drying agent and preventing the silica gel drying agent from falling off after absorbing water and expanding. The first moisture absorption evaporation disc 202a-1 is hollow, so that the heating disc 202a-4 can be conveniently installed; the second housing 200 further includes a second opening 205 for mating with the conductive post 202a-5, a conductive pad 206 disposed at the bottom of the second opening 205, and a conductive wire 207 disposed at the side of the second housing 200. When the conductive post 202a-5 contacts the conductive tab 206, the heating plate 202a-4 begins to heat the first moisture evaporating plate 202 a-1. The wires 207 are operable to connect to an external power source to provide power to the heating plates 202 a-4.
In the initial state, supported by the spring 202a-6, the conductive post 202a-5 is at the bottom of the first port 202a-3 and at the top of the second port 205, where the silica gel desiccant is in a dry state. The first process is as follows: when the silica gel desiccant absorbs water to a certain degree, the first moisture absorption evaporation disc 202a-1 is moved downwards, the conductive column 202a-5 is still at the bottom end of the first through hole 202a-3, but gradually approaches the bottom end of the second through hole 205 until contacting with the conductive sheet 206, the conductive sheet 206 is connected with the conductive wire 207, the conductive wire 207 is connected with an external power supply, when the conductive column 202a-5 contacts with the conductive sheet 206, the external power supply is connected with the heating disc 202a-4, and at this time, the heating disc 202a-4 starts to heat the first moisture absorption evaporation disc 202 a-1. The second process is as follows: during the heating evaporation process, the silica gel desiccant continues to absorb water, so that the first moisture absorption evaporation disc 202a-1 continues to move downwards, the conductive column 202a-5 is located at the bottom end of the second through hole 205, but gradually approaches the top end of the first through hole 202a-3, and when the conductive column 202a-5 reaches the top end of the first through hole 202a-3, the water absorption capacity of the silica gel desiccant reaches the maximum value. The third process is: the heating plate 202a-4 heats and evaporates the silica gel desiccant sufficiently, as the evaporation proceeds, the first moisture absorption evaporation plate 202a-1 will rise gradually under the action of the spring 202a-6, when the bottom end of the first through port 202a-3 contacts with the conductive post 202a-5, the silica gel desiccant is dried sufficiently, at this time, the first moisture absorption evaporation plate 202a-1 will drive the conductive post 202a-5 to continue rising, and separate from the conductive sheet 206, and the heating plate 202a-4 stops working, and finally returns to the initial state. The second absorbent evaporating element 202b operates on the same principle as the first absorbent evaporating element 202a, since it is structurally identical to the first absorbent evaporating element 202 a.
Further, the first moisture absorption evaporation pan 202a-1 includes a first air transfer port 202a-11 provided at the top thereof; second moisture-absorbing evaporating element 202b comprises a second moisture-absorbing evaporating pan 202b-1 and a second air-transfer opening 202b-11 provided at the top of second moisture-absorbing evaporating pan 202 b-1; the first transfer ports 202a-11 and the second transfer ports 202b-11 are alternately provided on one side of the first moisture-absorbing evaporation pan 202a-1 and the second moisture-absorbing evaporation pan 202b-1 where they are located. When the transformer or the mutual inductor causes the volume of transformer oil to expand with heat and contract with cold due to the change of load or environment temperature, the gas in the oil storage cabinet is forced to breathe through the drying agent in the device, and the gas in the transformer can rise along the S-shaped route of the gas transmission port after entering the device through the gas transmission ports which are alternately arranged, so that the stroke of the device is increased, and the device is convenient to fully contact with the silica gel drying agent. The outside air enters the device and goes through the similar process.
Preferably, the filter plate 201 includes filter plate air vents 201a disposed at the top thereof, the filter plate air vents 201a being disposed to facilitate air circulation. The first moisture absorption evaporation disc 202a-1 further comprises a connecting through groove 202a-12 arranged between the first air transfer port 202a-11 and the circular groove 202a-2, and moist air can be better contacted with the silica gel desiccant through the connecting through groove 202a-12, so that the water absorption capacity is enhanced. The spring 202a-6 has one end connected to the filter plate 201 and the other end connected to the first moisture-absorption evaporating plate 202 a-1. The filter plate 201 further includes a connection ring 201b provided at a side surface thereof, and the filter plate 201 is fixed in the second housing 200 through the connection ring 201b and a groove in the second housing 200 to be engaged therewith. The base 204 further comprises a connecting flange 204b arranged at the bottom thereof, and the device can be connected with a transformer or a mutual inductor through the connecting flange 204 b.
Preferably, the second moisture absorption evaporation element 202b further comprises a connecting shaft 202b-2 disposed at the bottom of the second moisture absorption evaporation pan 202b-1, and a waterproof pan 202b-3 connected to the connecting shaft 202 b-2. When the second moisture absorption evaporation assembly 202b starts to work, the second moisture absorption evaporation tray 202b-1 drives the waterproof tray 202b-3 to move downwards through the connecting shaft 202b-2, and when the conductive post 202a-5 contacts the conductive piece 206 in the first process, the waterproof tray 202b-3 is matched with the air vent 204a on the base 204 to close the air vent 204a, so that water mist is prevented from entering the transformer exhalation tube and causing secondary pollution. In a second process, waterproofing disk 202b-3 continues down until it is at its lowest point. In the third process, the waterproof tray 202b-3 is moved upward until the initial state is returned.
To sum up, the second housing 200 is disposed in the first housing 100, the moisture absorption evaporation unit 202 is disposed in the second housing 200, the first moisture absorption evaporation component 202a is disposed above the accommodating space M, and the second moisture absorption evaporation component 202b is disposed below the accommodating space M. During operation, the inside air of outside air and transformer circulates through this device, dries the humid air through first moisture absorption evaporation subassembly 202a and second moisture absorption evaporation subassembly 202b, and filter 201 filters the dust in the air, prevents to get into the transformer and causes the pollution. The moisture in the air can be fully absorbed through the first moisture absorption evaporation assembly 202a and the second moisture absorption evaporation assembly 202b, and the silica gel desiccant can be fully evaporated at one time through the device, so that repeated heating is avoided, the service life of the device is prolonged, and the vent 204a is closed by the waterproof disc 202b-3 during evaporation, so that the hot and humid gas is effectively prevented from entering the transformer exhalation tube to cause secondary pollution. The whole evaporation process is automatically carried out without maintenance, thereby saving a large amount of time.
When in use, the filter plate 201 is connected with the second shell 200, the first moisture absorption evaporation assembly 202a is connected with the filter plate 201, the waterproof disc 202b-3 is connected with the second moisture absorption evaporation assembly 202b through the connecting shaft 202b-2, the second moisture absorption evaporation assembly 202b is connected with the base 204, the moisture absorption evaporation unit 202 is installed in the second shell 200, the second shell 200 is connected with the first shell 100, and finally the end cover 101 is installed on the first shell 100.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides an intelligent transformer non-maintaining air replacement device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the water-saving and water-saving device comprises a first shell (100), wherein an accommodating space (N) is formed in the first shell (100), and the first shell comprises an end cover (101) arranged at the top of the first shell (100) and a water outlet (102) arranged at the bottom of the first shell (100); and the number of the first and second groups,
the second shell (200) is arranged in the accommodating space (N), an accommodating space (M) is formed in the second shell, and the second shell comprises a filter plate (201) arranged in the accommodating space (M), a moisture absorption evaporation unit (202) arranged in the accommodating space (M), an exhaust port (203) arranged on the side surface of the second shell (200), and a base (204) arranged at the bottom of the second shell (200);
the moisture absorption and evaporation unit (202) comprises a first moisture absorption and evaporation component (202a) arranged above the accommodating space (M) and a second moisture absorption and evaporation component (202b) arranged below the accommodating space (M); the first moisture absorption and evaporation component (202a) and the second moisture absorption and evaporation component (202b) are consistent in structure;
the first moisture absorption and evaporation assembly (202a) comprises a first moisture absorption and evaporation disc (202a-1) arranged in the accommodating space (M), a circular groove (202a-2) arranged at the top of the first moisture absorption and evaporation disc (202a-1), a first through hole (202a-3) arranged at the side of the first moisture absorption and evaporation disc (202a-1), a heating disc (202a-4) arranged in the first moisture absorption and evaporation disc (202a-1), a conductive column (202a-5) connected with the heating disc (202a-4) and matched with the first through hole (202a-3), and a spring (202a-6) connected with the first moisture absorption and evaporation disc (202 a-1); the first moisture absorption evaporation disc (202a-1) is hollow inside; the second shell (200) further comprises a second through hole (205) matched with the conductive post (202a-5), a conductive sheet (206) arranged at the bottom of the second through hole (205), and a conducting wire (207) arranged on the side surface of the second shell (200);
the first moisture absorption evaporating pan (202a-1) includes a first air transfer port (202a-11) provided at the top thereof; the second moisture absorption and evaporation component (202b) comprises a second moisture absorption and evaporation tray (202b-1) and a second air transfer opening (202b-11) arranged at the top of the second moisture absorption and evaporation tray (202 b-1); the first air transfer ports (202a-11) and the second air transfer ports (202b-11) are alternately arranged on one side of the first moisture absorption and evaporation tray (202a-1) and the second moisture absorption and evaporation tray (202b-1) on which the first air transfer ports and the second air transfer ports are arranged;
one end of the spring (202a-6) is connected with the filter plate (201), and the other end is connected with the first moisture absorption evaporation disc (202 a-1).
2. The intelligent transformer maintenance-free air displacement apparatus of claim 1, wherein: the end cover (101) further comprises an air inlet (101a) arranged at the top of the end cover; the base (204) also includes a vent (204a) disposed at a bottom thereof.
3. The intelligent transformer maintenance-free air displacement apparatus of claim 2, wherein: the second moisture absorption evaporation component (202b) further comprises a connecting shaft (202b-2) arranged at the bottom of the second moisture absorption evaporation tray (202b-1), and a waterproof tray (202b-3) connected with the connecting shaft (202 b-2).
4. The intelligent transformer maintenance-free air displacement apparatus of claim 3, wherein: the filter plate (201) includes a filter plate air vent (201a) disposed at a top thereof.
5. The intelligent transformer maintenance-free air displacement apparatus of claim 4, wherein: the first moisture absorption evaporating pan (202a-1) further comprises a connecting through groove (202a-12) provided between the first air transfer port (202a-11) and the circular groove (202 a-2).
6. The intelligent transformer maintenance-free air displacement apparatus of claim 5, wherein: the filter plate (201) also comprises a connecting ring (201b) arranged on the side surface of the filter plate; the base (204) further comprises a connecting flange (204b) arranged at the bottom of the base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010963939.3A CN112103043B (en) | 2020-09-15 | 2020-09-15 | Intelligent maintenance-free air replacement device for transformer |
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| CN202010963939.3A CN112103043B (en) | 2020-09-15 | 2020-09-15 | Intelligent maintenance-free air replacement device for transformer |
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| CN112103043B true CN112103043B (en) | 2021-06-18 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109073324A (en) * | 2016-03-31 | 2018-12-21 | 格哈德·昆兹 | The air conditioning carried out by multiphase stacked-plate heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2300039B (en) * | 1995-04-13 | 1998-06-17 | Taiwan Dry Tech Corp | Moisture expelling device for a container |
| CN102886191B (en) * | 2011-07-22 | 2014-10-01 | 上海智瑞达电气科技有限公司 | Drying Equipment for drying air entering oil expansion tank of electric equipment |
| CN105047378A (en) * | 2015-08-10 | 2015-11-11 | 常熟市友邦散热器有限责任公司 | Low-flow resistance oil-evaporated liquid phase change heat exchanger for oil-immersed transformer |
| CN205425652U (en) * | 2016-03-08 | 2016-08-03 | 杨露萍 | Stoving case for panel processing |
| CN206019069U (en) * | 2016-09-08 | 2017-03-15 | 广东科力新能源有限公司 | A kind of device for keeping source pump to dry |
| CN106482455A (en) * | 2016-10-30 | 2017-03-08 | 冯大兰 | A kind of method of reducing of automatic moisture absorption apparatus |
| CN206558318U (en) * | 2017-01-24 | 2017-10-13 | 福建中研机电科技有限公司 | Non-maintaining moisture absorption apparatus |
| CN108917022A (en) * | 2018-07-23 | 2018-11-30 | 天津裕隆鑫源科技有限公司 | It is a kind of to recycle the air purifier that dries |
| CN109036795B (en) * | 2018-09-30 | 2024-09-03 | 宁波力测电力科技有限公司 | Maintenance-free respirator for transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109073324A (en) * | 2016-03-31 | 2018-12-21 | 格哈德·昆兹 | The air conditioning carried out by multiphase stacked-plate heat exchanger |
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