CN213481801U - Dampproofing getter device of high-pressure oil charge type sleeve sample - Google Patents

Abstract

The provided high-pressure oil-filled type sleeve sampling moisture-proof air suction device is characterized in that the reserved gaps of air inlets correspondingly plugged by a first plugging block and a third plugging block of an air distribution device are equal, and the reserved gap of the air inlet correspondingly plugged by the second plugging block is larger than the reserved gap of the air inlets correspondingly plugged by the first plugging block and the third plugging block; the oil pump selects whether oil is supplied to the oil filling cavity or the oil supply quantity according to the received air humidity parameter, and provides three working modes of independently supplying air to the first moisture absorption part, independently supplying air to the second moisture absorption part and simultaneously supplying air to the first moisture absorption part, the second moisture absorption part and the mixed flow part; the device is matched to collect the oil sample of the oil filling equipment without being restricted by weather factors, so that the oil sample collection efficiency can be improved, and the probability of power failure accidents caused by equipment faults caused by untimely inspection of the oil filling equipment is reduced.

Description

Dampproofing getter device of high-pressure oil charge type sleeve sample

Technical Field

The utility model relates to a transformer bushing insulating oil sample field, concretely relates to dampproofing getter device of high-pressure oil charge type sleeve sample.

Background

In order to prevent power failure accidents caused by faults such as equipment defects and the like, an electric power system needs to regularly perform oil sample collection and test work on oil-filled equipment so as to judge the health state of the electric equipment, the oil sample is collected on the premise of testing the oil sample, strict requirements are provided for the collected oil sample in order to ensure the test accuracy, secondary pollution such as wetting of the oil sample is the most frequently encountered problem, the oil sample collection work on the oil-filled equipment at present is to select clear weather for sampling so as to avoid the wetting and pollution of the oil sample, the collected oil sample can be ensured to be basically kept in an original state, and the operation is simpler; however, the mode is greatly influenced by weather factors, defects of regions with high coastal humidity in south China are enlarged, if oil sample collection is carried out after waiting for proper weather, working efficiency cannot be improved, and even power failure accidents caused by equipment failure due to untimely inspection can occur.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned exists, the utility model provides a dampproofing getter device of high pressure oil charge type sleeve sample.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

a high-pressure oil-filled sleeve sampling damp-proof air suction device comprises a cylindrical body; the body is sequentially provided with a first air suction port, a filter, a flow guide part, an air distribution device, a first moisture absorption part, a moisture absorption motor, a motor supporting part, a water pouring bottom plate, a drainage box, a second moisture absorption part, a mixed flow part and a rubber plug from top to bottom;

a humidity sensor is arranged at the lower part of the filter;

the first moisture absorption part comprises a substrate with an air inlet opening in the middle, moisture absorption materials are bonded on the upper portion of the substrate, a heating plate is bonded on the lower portion of the substrate, an electrode is connected to the lower portion of the heating plate, the first moisture absorption materials are moisture absorption materials which display hydrophilicity below a certain temperature sensing point and display hydrophobicity in a temperature range exceeding the sensing point, the moisture absorption motors drive the moisture absorption materials and the substrate of the heating plate to rotate, and moisture absorbed by the moisture absorption materials which are heated to exceed the sensing point is released to a drain tank as water drops along a water pouring bottom plate by utilizing centrifugal force; a first sealed inner cavity is formed among the air distribution device, the motor supporting part and the water pouring bottom plate, a second air suction port is arranged at the upper part of the second moisture absorption part, a second inner cavity is formed between the motor supporting part and the second air inlet, a dehumidified air inflow opening is arranged at the upper part of the motor supporting part, a dehumidified air outflow opening is arranged at the lower part of the motor supporting part and communicated with the second inner cavity, and the second moisture absorption part comprises an activated carbon filling layer and a allochroic silica gel filling layer;

the air distribution device comprises an oil pump, an oil charging cavity, a three-level ventilation cavity, three air inlets, three air outlets, a plugging piece and a return spring, wherein the oil pump is in signal connection with the humidity sensor, the three air outlets are respectively communicated with an air inlet opening, a second inner cavity and a mixed flow part of the substrate, the plugging piece comprises a first plugging block, a second plugging block, a third plugging block, a connecting section and a fixed head, the return spring is connected between the right side end part of the three-level ventilation cavity and the fixed head, the reserved gaps of the first plugging block and the third plugging block corresponding to the plugged air inlets are equal, and the reserved gap of the second plugging block corresponding to the plugged air inlet is larger than the reserved gap of the first plugging block and the third plugging block corresponding to the plugged air inlet; the oil pump selects whether oil is supplied to the oil filling cavity or the oil supply quantity according to the received air humidity parameter, and three working modes of independently supplying air to the first moisture absorption part, independently supplying air to the second moisture absorption part and simultaneously supplying air to the first moisture absorption part, the second moisture absorption part and the mixed flow part are provided.

Further, the dampproofing getter device of foretell high pressure oil charge type sleeve sample, the body contains first box, second box and third box, and second box and first box and second box threaded connection, wherein first inspiration mouth, filter, water conservancy diversion portion, branch gas device, first portion of absorbing moisture, moisture absorption motor, motor support, the bottom plate of falling water and drain tank set up in first box from last to down, and first box left side portion is equipped with the door that allows the drain tank to take out, and second inspiration mouth and second portion of absorbing moisture set up in the second box, the rubber shutoff sets up the tip at the third box, and after third box and second box threaded connection, form mixed flow portion between second portion of absorbing moisture and rubber shutoff.

Furthermore, the base plate of the high-pressure oil-filled sleeve sampling moisture-proof air suction device is annular, and a plurality of base plates are stacked.

Further, the moisture absorption material of the high-pressure oil-filled casing sampling moisture-proof air suction device is poly N-isopropylacrylamide or polyvinyl ether.

The embodiment of the utility model provides a beneficial effect of scheme is: the oil pump controls whether oil is supplied to the oil filling cavity or the oil supply quantity according to the received humidity parameter of the outside air sucked from the first air suction port and detected by the humidity sensor, so that three working modes of independently supplying air to the first moisture absorption part, independently supplying air to the second moisture absorption part and simultaneously supplying air to the first moisture absorption part, the second moisture absorption part and the mixed flow part are provided; specifically, when the humidity parameter of the sucked outside air meets the oil sample collection standard, the oil pump selects not to supply oil to the oil filling cavity, and at the moment, the three air outlets are simultaneously in an open state, so that the first moisture absorption part, the second moisture absorption part and the mixed flow part simultaneously admit air, and the air pump plays a leading role because the resistance of directly flowing to the mixed flow part is minimum;

when the outside air humidity parameter is larger than the oil sample collection standard, for example, when the air humidity is more than 60%, the oil pump starts to supply oil to the oil filling cavity, at the moment, the plugging piece moves in the three-level ventilation cavity under the pushing of the oil pressure until the first plugging block and the third plugging block just plug the corresponding air inlets, the reserved gap of the air inlet correspondingly plugged by the second plugging block is larger than the reserved gap of the air inlet correspondingly plugged by the first plugging block and the third plugging block, at the moment, a certain gap is reserved on the air inlet correspondingly plugged by the second plugging block, so that the outside air is sent to the air inlet opening on the base plate of the first moisture absorption part through the air outlet corresponding to the second plugging block of the air distribution device, then primary dehumidification is carried out through the first moisture absorption part, the air of the primary moisture absorption part flows into the inner cavity of the motor support part through the dehumidified air inflow opening of the motor support part, and, and then the air enters the second moisture absorption part through the second air suction port in a circulating manner in the second inner cavity to carry out secondary dehumidification, and finally the air entering the mixed flow part is dry air which meets the air humidity standard of the collected oil sample.

When the humidity parameter of the sucked external air meets the oil sample collection standard but is close to the critical sampling air humidity standard, the oil pump continues to supply oil to the oil filling cavity, at the moment, the plugging piece is pushed by oil pressure to continue moving in the three-stage ventilation cavity until the first plugging block completely plugs the air inlets corresponding to the first plugging block and the second plugging block, a certain gap is left after the part of the air inlet corresponding to the original third plugging block is plugged by the second plugging block, the third plugging block enters the right side of the three-stage ventilation cavity, at the moment, only the air inlet corresponding to the third plugging block is communicated with the corresponding air outlet, the air outlet is communicated with the second cavity, so that the sucked external air is directly guided into the second moisture absorption part for carrying out moisture absorption, only secondary moisture absorption is carried out, the condition that the humidity parameter of the air meets the moisture absorption sampling standard is ensured, the first moisture absorption part does not need to be started, and.

Drawings

Fig. 1 is a schematic structural view of a working mode 1 of the high-pressure oil-filled casing sampling moisture-proof air suction device of the present invention;

FIG. 2 is a schematic structural view of the gas distributor in the operation mode 1;

FIG. 3 is a cross-sectional view of the first absorbent portion;

fig. 4 is a schematic structural view of the working mode 2 of the high-pressure oil-filled casing sampling moisture-proof air suction device of the present invention;

fig. 5 is a schematic structural view of the working mode 3 of the high-pressure oil-filled casing sampling moisture-proof air suction device of the present invention;

FIG. 6 is a schematic structural diagram of the air distribution device in the operating mode 2 state;

fig. 7 is a schematic structural view of the air distributor in the operating mode 3.

Reference numerals in the drawings of the specification include: the air conditioner comprises a first box 101, a second box 102, a third box 103, a door 104, a first air inlet 2, a filter 3, a flow guide part 4, an air separation device 5, an oil pump 50, a first air inlet 5a, a second air inlet 5b, a third air inlet 5c, a first air outlet 5x, a second air outlet 5y, a third air outlet 5z, an oil filling cavity 51, a three-stage ventilation cavity 52, a first block 530, a second block 531, a third block 532, a connecting section 533, a fixing head 534, a return spring 54, a first moisture absorption part 6, a base plate 60, an air inlet opening 601, a moisture absorption material 61, a heating plate 62, an electrode 63, a moisture absorption motor 7, a motor support part 8, a dehumidified air inlet opening 80, a dehumidified air outlet opening 81, a support part 82, a water pouring bottom plate 9, a water outlet 91, a water drainage box 10, a second moisture absorption part 11, an activated carbon filling layer 110, a color-changing silica gel filling layer 111, a second air inlet, The device comprises a mixed flow part 12, a rubber plug 13, a first inner cavity 14, a second inner cavity 15, a humidity sensor 16, a plug cover 17, a bidirectional needle 18, a rubber plug cap 19 and a cannula sampling valve 20.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1, the high-pressure oil-filled type thimble sampling moisture-proof air suction device of the present embodiment includes a cylindrical main body having a first air suction port 2 formed on an upper surface thereof, a rubber stopper 13 formed on a lower surface thereof, and a door 104 formed on a side surface thereof for taking out a drain tank 10 to be described later and performing a water pouring operation. The body is made of resin metal, and the shape of the box body can be set into other shapes, such as a square cylinder or an elliptic cylinder or other shapes.

As shown in fig. 1, the internal structure of the high-pressure oil-filled casing sampling moisture-proof air suction device sequentially comprises from top to bottom: the air conditioner comprises a first air suction port 2, a filter 3, a flow guide part 4, an air distribution device 5, a first moisture absorption part 6, a moisture absorption motor 7 for rotating the first moisture absorption part 6, a motor support part 8 for supporting the moisture absorption motor 7 and enabling air after moisture absorption and separation through the first moisture absorption part 6 to flow, a water pouring bottom plate 9 for guiding water centrifugally separated through the first moisture absorption part 6, a water drainage tank 10 arranged at the lower part of an opening of the water pouring bottom plate 9 and used for receiving the water centrifugally separated through the first moisture absorption part 6, a second moisture absorption part 11 and a mixed flow part 12 at the lower part.

The first air inlet 2 is used for receiving outside air, and the first air inlet 2 is shown to be arranged on the upper surface of the body in the embodiment, but may be arranged on other parts of the body, such as the side surface of the body, according to different situations. The filter 3 is used to remove impurities such as coarse dust and garbage from the air flowing through the interior of the air intake device, for example, non-woven fabric, and a humidity sensor 16, specifically shown in the drawing, is provided at the lower portion of the filter 3 to detect humidity data of the air initially taken into the exterior of the air intake device.

The flow guide part 4 is provided in a streamline shape on the upper portion of the inlet of the first moisture absorbing part 6, and the diameter of the flow guide part 4 is equal to the span dimension of the three air inlets of the air distributor 5, which will be described later, so that the whole of the humid air can be introduced into the three air inlets of the air distributor 5.

The pouring floor 9 is used for collecting water droplets centrifugally separated from the moisture absorbing material 61 of the first moisture absorbing part 6, and has a water outlet 91 at the bottom, so that water centrifugally separated from the first moisture absorbing part 6 is collected in the lower water discharge tank 10 through the water outlet 91, and the water discharge tank 10 can be taken out and poured through the door 104.

The motor shaft of the moisture absorption motor 7 is connected with the middle part of the first moisture absorption part 6 and is used for driving the first moisture absorption part 6 to rotate.

The motor support part 8 supports the motor, the middle part is arranged into a cylinder shape and is fixed on the inner wall of the body through a support part 82, the upper part of the motor support part 8 is provided with a dehumidified air inflow opening 80, two are shown in the figure, and the lower part of the motor support part 8 is provided with a dehumidified air outflow opening 81.

As shown in fig. 1, a first sealed inner cavity 14 is formed between the air distributor 5, the motor support part 8 and the water pouring bottom plate 9, a second air inlet 112 is formed at the upper part of the second moisture absorption part 11, a second inner cavity 15 is formed between the motor support part 8 and the second air inlet 5b, the dehumidified air outlet opening 81 is communicated with the second inner cavity 15, and the second moisture absorption part 11 comprises an activated carbon filling layer 110 and a color-changing silica gel filling layer 111.

As shown in fig. 1 and 3, the first moisture absorption section 6 of the present embodiment is described in detail, the first moisture absorption section 6 includes a substrate 60 having an air inlet opening 601 in the middle, a moisture absorbent 61 is bonded to the upper portion of the substrate 60, a heater plate 62 is bonded to the lower portion of the substrate 60, an electrode 63 is connected to the lower portion of the heater plate 62, the first moisture absorbent 61 is a moisture absorbent 61 exhibiting hydrophilicity at a temperature range below a predetermined temperature sensing point and exhibiting hydrophobicity exceeding the temperature sensing point, and the moisture absorbent motor 7 rotates the substrate 60 to which the moisture absorbent 61 and the heater plate 62 are bonded, and releases moisture absorbed by the moisture absorbent 61 heated to exceed the sensing point as water droplets along the water-pouring bottom plate 9 into the drain box 10 by centrifugal force.

As shown in fig. 3, in the present embodiment, the substrate 60 of the first moisture absorbing part 6 is annular, three layers are shown, the three layers of the substrate 60 are laminated with gaps to allow air to flow, the moisture absorbing material 61 bonded to the substrate 60 is a polymer moisture absorbing material 61, the moisture absorbing material 61 starts to exhibit hydrophobicity by heating the heating plate 62 to a sensing point of the moisture absorbing material 61, air moisture absorbed by the moisture absorbing material 61 at normal temperature is centrifugally separated when the motor drives the first moisture absorbing part 6 to rotate, moisture absorption and dehydration operations are performed by repeating temperature changes applied to the substrate 60, so that the first moisture absorbing part 6 can be repeatedly used to dehumidify humid air, and specifically, poly N-isopropylacrylamide or polyvinyl ether is used as the moisture absorbing material 61.

In the present embodiment, the sensing point of the moisture-absorbing material 61 is set to 60 °, for example, and the moisture-absorbing material 61 can exhibit hydrophobicity only by heating the substrate 60 to more than 60 ° by the heating plate 62, and the temperature of the sensing point can be flexibly changed by selecting different moisture-absorbing materials 61, for example, can be adjusted at 40 to 60 °.

As shown in fig. 3, 6 and 7, the structure of the air separation device 5 will be described in detail; the air distribution device 5 comprises an oil pump 50, an oil filling cavity 51, a three-level ventilation cavity 52, a first air inlet 5a, a second air inlet 5b, a third air inlet 5c, a first air outlet 5x, a second air outlet 5y, a third air outlet 5z, a blocking piece and a return spring 54, wherein the oil pump 50 is in signal connection with the humidity sensor 16, the first air outlet 5x is communicated with the flow mixing part 12, the second air outlet 5y is arranged above an air inlet opening 601 in the middle of a substrate 60 of the first moisture absorption part 6, and the third air outlet 5z is communicated with the second inner cavity 15;

the plugging piece comprises a first plugging block 530, a second plugging block 531, a third plugging block 532, a connecting section 533 and a fixing head 534, the diameters of the first plugging block 530, the second plugging block 531 and the third plugging block 532 are consistent, the first plugging block 530, the second plugging block 531 and the third plugging block 532 are connected through the reduced connecting section 533, the fixing head 534 is connected to the connecting section 533 at the right side of the third plugging block 532, and a return spring 54 is connected between the right side end of the third ventilation cavity 52 and the fixing head 534, wherein a reserved gap of a first air inlet 5a plugged by the first plugging block 530 and a reserved gap of a third air inlet 5c plugged by the third plugging block 532 in a non-oil-filled state are equal, and a reserved gap of a second air inlet 5b plugged by the second plugging block 531 is larger than a reserved gap of air inlets correspondingly plugged by the first plugging block 530 and the third plugging block 532; therefore, the oil pump 50 selects whether to supply oil to the oil filling cavity 51 or the oil supply quantity according to the received air humidity parameter, and provides three working modes of independently supplying air to the first moisture absorption part 6, independently supplying air to the second moisture absorption part 11 and simultaneously supplying air to the first moisture absorption part 6, the second moisture absorption part 11 and the mixed flow part 12.

As shown in fig. 1 and 2, operation mode 1; when the humidity parameter of the sucked external air meets the oil sample collection standard, for example, the collection standard air humidity is less than 60%, the control device controls the oil pump 50 to select not to supply oil to the oil filling cavity 51, and at the time, the first air outlet 5x, the second air outlet 5y and the third air outlet 5z are simultaneously in an open state, so that the first moisture absorption part 6, the second moisture absorption part 11 and the mixed flow part 12 simultaneously admit air, and because the resistance directly flowing to the mixed flow part 12 is minimum, the dominant effect is achieved, the first moisture absorption part 6 and the second moisture absorption part 11 can be basically not used for dehumidifying the external sucked air and directly performing the mixed flow part 12, the sampling work efficiency can be effectively improved, and the service lives of the first moisture absorption part 6 and the second moisture absorption part 11 can be prolonged.

As shown in fig. 4 and 6, operation mode 2; when the humidity parameter of the sucked outside air is greater than the oil sample collection standard, for example, the humidity of the sucked outside air is greater than 60% of the oil sample collection standard, the oil pump 50 starts to supply oil to the oil-filled cavity 51, at this time, the plugging member moves in the tertiary ventilation cavity 52 under the pushing of the oil pressure until the first plugging block 530 completely plugs the first air inlet 5a, the third plugging block 532 completely plugs the corresponding third air inlet 5c, the gap reserved by the second air inlet 5b plugged by the second plugging block 531 is greater than the gap reserved by the first air inlet plugged by the first plugging block 530 and the third air inlet 5c correspondingly plugged by the third plugging block 532, so that at this time, the second air inlet 5b correspondingly plugged by the second plugging block 531 is still provided with a certain gap, the outside air guided by the flow guide part 4 is sent into the tertiary ventilation cavity 52 through the second air inlet 5b plugged by the second plugging block 531, and then sent into the air inlet 601 on the base plate 60 of the first moisture absorption part 6 through the second air outlet 5y, the moist air enters the laminated substrates 60 of the first moisture absorption part 6 to be subjected to primary dehumidification, the air subjected to primary dehumidification flows into the first inner cavity 14 through the gaps of the multilayer substrates 60, then flows into the inner cavity of the motor support part 8 through the dehumidified air inflow opening 80 of the motor support part 8, flows into the second inner cavity 15 through the dehumidified air outflow opening 81, then circularly enters the second moisture absorption part 11 through the second air suction port 112 in the second inner cavity 15 to be subjected to secondary dehumidification, and finally enters the mixed flow part 12 to be dry air, and the moist air entering the outside meets the standard that the humidity of collected oil sample air is less than 60% after being subjected to two-stage dehumidification.

When the moisture absorption material 61 absorbs the moisture of the air to be saturated, the moisture absorption motor 7 is started, the moisture absorption motor 7 drives the substrate 60 to rotate, the electrode 63 slides on the heating plate 62 when the moisture absorption motor 7 rotates, power is supplied to the heating element, the heating element is heated, then the heating element heats the substrate 60, the substrate 60 heats the moisture absorption material 61, when the moisture absorption material 61 reaches a sensing point of 60 degrees, the moisture absorption material 61 shows hydrophobicity, the moisture absorbed by the moisture absorption material 61 is released by water drops under the centrifugal force, the released water drops impact on the inner wall of the body and then are collected by the water pouring bottom plate 9, finally the water is discharged into the water discharge box 10 through the water discharge port 91, after the moisture absorption material 61 is dehydrated, the moisture absorption motor 7 is closed, after the electrode 63 is static, the power supply of the heating element is cut off, the substrate 60 and the material 61 start to be cooled, when the, and exhibits hydrophilicity, so that the operation of water absorption and dehydration can be repeated.

As shown in fig. 5 and 7, operation mode 3; when the humidity parameter of the sucked outside air meets the oil sample collection standard but approaches the sampling critical air humidity 60%, the oil pump 50 continues to supply oil to the oil filling cavity 51, at this time, the plugging member is pushed by oil pressure to continue moving in the tertiary ventilation cavity 52 until the first plugging block 530 completely plugs the first air inlet 5a and the second air inlet 5b, a certain gap is left after the third air inlet 5c is partially plugged by the second plugging block 531, the third plugging block 532 enters the right side of the tertiary ventilation cavity 52 close to the third air outlet 5z, at this time, only the third air inlet 5c is communicated with the corresponding third air outlet 5z, and the third air outlet 5z is communicated with the second inner cavity 15, so that the sucked outside air is directly guided into the second moisture absorption part 11 for dehumidification, only the secondary dehumidification is performed, the air humidity parameter sampling standard is ensured, and the first moisture absorption part 6 is not required to be started, the energy consumption of the whole air suction device can be reduced, and the service life of the first moisture absorption part 6 is prolonged.

As shown in figure 1, the upper part of the high-pressure oil-filled type sleeve sampling moisture-proof air suction device is preferably in threaded connection with a blocking cover 17, so that the sealing of the whole device is realized when the device is not used; a bidirectional needle 18 is arranged in the middle of the device and a sleeve sampling valve 20, one end of the bidirectional needle 18 is inserted into a rubber plug 13 to be communicated with the mixed flow part 12, the other end of the bidirectional needle is inserted with a rubber plug cap 19, and the rubber plug cap 19 is connected with the sleeve sampling valve 20; when needing to take a sample to oil-filled equipment, only need to put through sleeve pipe and equipment oil appearance valve, remove the blanking cover 17, outside the entering getter device that ventilates dehumidifies and filters, forms the negative pressure of sample, then opens 20 internal valves of sleeve pipe sample valve, and the oil appearance of just putting connects greatly through connecing the food tray, roughly 10s, then carries out splendid attire oil appearance through the sampling bottle. Adopt this dampproofing getter device of high pressure oil-filled bushing sample cooperation oil charge equipment to take a sample, the sample no longer receives the weather factor restriction, can show improvement work efficiency, reduces the frequency that the power failure accident that the equipment trouble that the oil charge equipment inspection did not in time cause arouses takes place.

Example 2

As shown in fig. 1, the main body comprises a first box 101, a second box 102 and a third box 103, the second box 102 is in threaded connection with the first box 101 and the second box 102, wherein the first air intake port 2, the filter 3, the flow guide part 4, the air distributor 5, the first moisture absorption part 6, the moisture absorption motor 7, the motor support part 8, the water pouring bottom plate 9 and the water drainage tank 10 are arranged in the first box 101 from top to bottom, the left side part of the first box 101 is provided with a door 104 allowing the water drainage tank 10 to be drawn out, the second air intake port 112 and the second moisture absorption part 11 are arranged in the second box 102, the rubber plug 13 is arranged at the end part of the third box 103, and after the third box 103 and the second box 102 are in threaded connection, a mixed flow part 12 is formed between the second moisture absorption part 11 and the rubber plug 13; the assembled design can facilitate the installation and the independent replacement of the first moisture absorption part 6 and the second moisture absorption part 11, and can further improve the use effect.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that the detailed description herein of specific embodiments of the invention and the accompanying drawings are not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. A high-pressure oil-filled sleeve sampling damp-proof air suction device comprises a cylindrical body; the method is characterized in that: the body is sequentially provided with a first air suction port (2), a filter (3), a flow guide part (4), an air distribution device (5), a first moisture absorption part (6), a moisture absorption motor (7), a motor support part (8), a water pouring bottom plate (9), a drainage box (10), a second moisture absorption part (11), a mixed flow part (12) and a rubber plug (13) from top to bottom;

a humidity sensor (16) is arranged at the lower part of the filter (3);

the first moisture absorption part (6) comprises a substrate (60) with an air inlet opening (601) in the middle, a moisture absorption material (61) is bonded on the upper part of the substrate (60), a heating plate (62) is bonded on the lower part of the substrate (60), an electrode (63) is connected on the lower part of the heating plate (62), the moisture absorption material (61) is a moisture absorption material (61) which shows hydrophilicity below a certain temperature sensing point and shows hydrophobicity in a temperature range exceeding the sensing point, the moisture absorption motor (7) drives the substrate (60) bonded with the moisture absorption material (61) and the heating plate (62) to rotate, and the moisture absorbed by the moisture absorption material (61) heated to exceed the sensing point is released into a drainage box (10) as water drops along a water pouring bottom plate (9) by utilizing centrifugal force; a sealed first inner cavity (14) is formed between the air distribution device (5) and the motor supporting part (8) and the water pouring bottom plate (9), a second air suction port (112) is formed in the upper portion of the second moisture absorption part (11), a second inner cavity (15) is formed between the motor supporting part (8) and the second air inlet (5b), a dehumidification air inflow opening (80) is formed in the upper portion of the motor supporting part (8), a dehumidification air outflow opening (81) is formed in the lower portion of the motor supporting part (8), the dehumidification air outflow opening (81) is communicated with the second inner cavity (15), and the second moisture absorption part (11) comprises an activated carbon filling layer (110) and a color-changing silica gel filling layer (111);

the air distribution device (5) comprises an oil pump (50), an oil filling cavity (51), a three-level ventilation cavity (52), three air inlets, three air outlets, a plugging piece and a return spring (54), wherein the oil pump (50) is in signal connection with the humidity sensor (16), three air outlets are respectively communicated with an air inlet opening (601) of the base plate (60), the second inner cavity (15) and the mixed flow part (12), the plugging piece comprises a first plugging block (530), a second plugging block (531), a third plugging block (532), a connecting section (533), a fixed head (534) and a return spring (54), the return spring (54) is connected between the right side end part of the tertiary ventilation cavity (52) and the fixed head (534), the reserved gaps of the air inlets correspondingly blocked by the first blocking block (530) and the third blocking block (532) are equal, and the reserved gap of the air inlets correspondingly blocked by the second blocking block (531) is larger than the reserved gap of the air inlets correspondingly blocked by the first blocking block (530) and the third blocking block (532); the oil pump (50) selects whether oil is supplied to the oil filling cavity (51) or not or the oil supply quantity according to the received air humidity parameter, and provides three working modes of independently supplying air to the first moisture absorption part (6), independently supplying air to the second moisture absorption part (11) and simultaneously supplying air to the first moisture absorption part (6), the second moisture absorption part (11) and the mixed flow part (12).

2. The high pressure oil filled casing sampling moisture proof air suction device according to claim 1, wherein: the body comprises a first box body (101), a second box body (102) and a third box body (103), the second box body (102) is in threaded connection with the first box body (101) and the second box body (102), wherein the first air suction port (2), the filter (3), the flow guide part (4), the air distribution device (5), the first moisture absorption part (6), the moisture absorption motor (7), the motor support part (8), the water pouring bottom plate (9) and the drainage box (10) are arranged in the first box body (101) from top to bottom, the left side part of the first box body (101) is provided with a door (104) for allowing the drainage box (10) to be drawn out, the second air suction port (112) and the second moisture absorption part (11) are arranged in the second box body (102), the rubber plug (13) is arranged at the end part of the third box body (103), after the third box body (103) is connected with the second box body (102) through screw threads, a mixed flow part (12) is formed between the second moisture absorption part (11) and the rubber plug (13).

3. The high pressure oil filled casing sampling moisture proof air suction device according to claim 2, wherein: the substrate (60) is annular and a plurality of substrates are laminated.

4. The high-pressure oil-filled casing sampling moisture-proof air suction device according to any one of claims 1 to 3, wherein: the moisture absorption material (61) is poly N-isopropyl acrylamide or polyvinyl ether.

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