Disclosure of Invention
Accordingly, it is necessary to provide an insulating and sealing type epoxy solid-sealed pole in order to solve the problems of the current solid-sealed pole.
The above purpose is achieved by the following technical scheme:
an insulating sealed epoxy solid seal pole comprising:
a main body;
The cooling cylinder is sleeved outside the main body;
a liquid storage cavity is arranged in the cooling cylinder and is separated into an upper cavity and a lower cavity along the vertical direction, and cooling mediums are stored in the upper cavity and the lower cavity;
the liquid conveying component is arranged in the liquid storage cavity and used for directionally conveying the cooling medium in the lower cavity into the upper cavity;
the liquid delivery assembly is configured such that the delivery amount of the cooling medium of the liquid delivery assembly is positively correlated to the temperature within the upper chamber;
when the amount of cooling medium in the upper chamber exceeds a preset value, the cooling medium in the upper chamber can flow back into the lower chamber.
In one embodiment, the upper chamber and the lower chamber are circumferentially and equidistantly divided into a plurality of subchambers, and the plurality of subchambers of the upper chamber correspond to the plurality of subchambers of the lower chamber one by one;
the liquid feeding components are in one-to-one correspondence with the sub-chambers.
In one embodiment, the portion of the main body corresponding to the upper chamber of the cooling cylinder is sleeved with a capillary fiber mesh.
In one embodiment, a partition plate is arranged on the inner peripheral wall of the liquid storage chamber and is used for separating the liquid storage chamber into an upper chamber and a lower chamber along the vertical direction, and a plurality of through holes are formed in the partition plate and correspond to the liquid conveying components one by one, so that the liquid conveying components can directionally convey cooling media in the lower chamber into the upper chamber through the through holes.
In one embodiment, the liquid feeding component comprises a columnar net barrel, a lower connecting ring, an upper connecting ring, a connecting rod and a stock unit, wherein the columnar net barrel and the through hole are coaxial, the lower end of the columnar net barrel is arranged at the bottom of the liquid storage cavity, the upper end of the columnar net barrel is arranged on the lower surface of the isolation plate, the lower connecting ring is also coaxial with the through hole, the lower end of the lower connecting ring is arranged on the upper surface of the isolation plate, the upper connecting ring is also coaxial with the through hole, the upper surface of the upper connecting ring is arranged at the top of the liquid storage cavity, the connecting rod is also coaxial with the through hole and the connecting rod is positioned in the through hole, a plurality of stock units are arranged at intervals along the axis of the connecting rod, and when the stock unit moves to the preset distance above the lower connecting ring, the stock unit can be opened to enable cooling medium in the stock unit to flow into the upper cavity.
In one embodiment, the stock unit includes fixed ring, sealing ring, intermediate ring and a plurality of bracing piece down, and fixed ring coaxial setting down is on the connecting rod, and the coaxial slip cap of intermediate ring is established on the connecting rod, and intermediate ring and connecting rod elastic connection, and a plurality of bracing piece circumference equidistant settings are on the intermediate ring, and the one end that the intermediate ring was kept away from to the bracing piece sets up on the inner peripheral wall of sealing ring, and fixed ring and sealing ring homoenergetic down and go up connecting ring sliding seal.
In one embodiment, a plurality of upper through holes are formed in the top of the cooling cylinder, and the upper through holes correspond to the through holes one by one;
The liquid feeding assembly further comprises an induction cylinder, the induction cylinder is in sliding sealing with the upper connecting ring, the induction cylinder is fixedly connected with the connecting rod coaxially, and the induction cylinder is elastically connected with the isolation plate.
In one embodiment, the top of the induction cylinder is provided with a plurality of heat dissipation fins.
In one embodiment, an air extraction component is arranged at the top of the cooling cylinder and used for reducing the air pressure in the liquid storage cavity.
In one embodiment, the air extraction assembly comprises a movable ring and a screw rod, the center of the top of the cooling cylinder is provided with an annular sinking groove, the peripheral wall of the annular sinking groove is provided with a plurality of ventilation grooves, the ventilation grooves correspond to the sub-chambers one by one, the axis of the screw rod is vertical, the movable ring is coaxial with the annular sinking groove, and the movable ring is in threaded connection with the screw rod;
An exhaust pipe is arranged at the top of the movable ring, and the lower end of the exhaust pipe penetrates through the movable ring downwards.
The beneficial effects of the invention are as follows:
The invention is provided with the liquid delivery component, the directional delivery of the cooling medium from the upper cavity to the lower cavity is realized through the liquid delivery component, the cooling medium is gasified in the upper cavity firstly and then condensed into liquid state when being cooled, and flows back into the upper cavity, when the quantity of the liquid cooling medium in the upper cavity exceeds a preset value, the cooling medium in the upper cavity can flow back into the lower cavity, so that the self circulation of the cooling medium between the upper cavity and the lower cavity is realized, and the higher the temperature in the upper cavity is, the faster the self circulation speed of the cooling medium is, so that the heat dissipation efficiency is improved, the quantity of the cooling medium in the upper cavity and the quantity of the cooling medium in the lower cavity are kept at proper quantities, the gasification effect of the cooling medium is not influenced because the quantity of the cooling medium is excessive, and the internal circulation of the cooling medium is not stopped because the cooling medium in the upper cavity or the lower cavity is exhausted.
Detailed Description
The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 6, an insulating and sealing type epoxy solid-sealed pole comprises a main body 100, a cooling cylinder 200 and a liquid feeding assembly 300, wherein the cooling cylinder 200 is sleeved outside the main body 100, a liquid storage cavity is arranged inside the cooling cylinder 200 and is divided into an upper cavity 211 and a lower cavity 212 along the vertical direction, cooling mediums are stored in the upper cavity 211 and the lower cavity 212, the liquid feeding assembly 300 is arranged in the liquid storage cavity, the liquid feeding assembly 300 is used for directionally feeding the cooling mediums in the lower cavity 212 into the upper cavity 211, the liquid feeding assembly 300 is configured such that the feeding amount of the cooling mediums of the liquid feeding assembly 300 is positively correlated with the temperature in the upper cavity 211, and when the amount of the cooling mediums in the upper cavity 211 exceeds a preset value, the cooling mediums in the upper cavity 211 can flow back into the lower cavity 212.
When the movable contact end and the fixed contact end of the main body 100 are respectively connected to different components by workers during use, specifically, the movable contact end of the main body 100 is connected to an operating mechanism or a driving mechanism of a circuit breaker, so that the movable contact end can move under the driving action of the operating mechanism, the contact or separation of the movable contact is realized, and the fixed contact end is connected to a bus, a cable or other conductive components. When the main body 100 is in an operating state, when a large current passes through the main body 100, a contact system and an arc extinguishing chamber in the main body 100 generate a large amount of heat, the heat is absorbed by an insulating layer on the surface of the main body 100 in a heat transfer mode, the cooling cylinder 200 is sleeved outside the main body 100, and cooling medium is stored in the cooling cylinder 200, so that the heat absorbed by the insulating layer of the main body 100 is absorbed by the cooling medium, thereby preventing the insulating layer of the main body 100 from overheating, when the main body 100 generates more heat, the temperature in the upper chamber 211 rises rapidly, at the moment, the liquid feeding assembly 300 directionally feeds more cooling medium from the lower chamber 212 into the upper chamber 211, the cooling medium gradually evaporates after absorbing heat in the upper chamber 211, the evaporated cooling medium gradually condenses after the temperature drops into the upper chamber 211, the amount of the cooling medium in the upper chamber 211 increases, when the amount of the cooling medium in the upper chamber 211 increases to exceed a preset value, the temperature in the upper chamber 211 increases, the circulation speed of the cooling medium is increased to the lower chamber 212, and the heat dissipation speed is increased between the upper chamber and the lower chamber 211 and the cooling medium is prevented from being more rapid, and the heat dissipation speed is increased, and the cooling medium is more circulation speed is improved, and the cooling medium is more stable, and the heat is more stable.
It will be appreciated that by providing the liquid feeding assembly 300, self circulation of the cooling medium between the upper chamber 211 and the lower chamber 212 can be maintained, so that the amount of the cooling medium in the upper chamber 211 and the amount of the cooling medium in the lower chamber 212 are maintained at proper amounts, and the vaporization effect of the cooling medium is not affected by the excessive amount of the cooling medium, and the internal circulation of the cooling medium is not stopped due to exhaustion of the cooling medium in the upper chamber 211 or the lower chamber 212.
In a further embodiment, as shown in fig. 2 and 3, the upper chamber 211 and the lower chamber 212 are circumferentially and equally spaced apart into a plurality of sub-chambers, the plurality of sub-chambers of the upper chamber 211 and the plurality of sub-chambers of the lower chamber 212 are in one-to-one correspondence, the plurality of liquid feeding assemblies 300 are in a plurality, and the plurality of liquid feeding assemblies 300 are in one-to-one correspondence.
By dividing the upper chamber 211 and the lower chamber 212 into a plurality of sub-chambers at equal intervals in the circumferential direction, so that when the temperature of a certain sub-chamber is higher, the internal circulation speed of the cooling medium in the sub-chamber is faster, the heat dissipation efficiency is higher, thereby improving the accuracy of heat dissipation of the sub-chamber.
In a further embodiment, the portion of the body 100 corresponding to the upper chamber 211 of the cooling cartridge 200 is sleeved with a capillary fiber web 400.
When the height of the cooling medium in the upper chamber 211 is smaller than that of the capillary web 400, the cooling medium is uniformly adhered to the surface of the capillary web 400 by capillary action, so that the cooling medium can better absorb the heat of the body 100.
In a further embodiment, as shown in fig. 2, a partition plate 220 is disposed on an inner peripheral wall of the liquid storage chamber, the partition plate 220 is used for vertically separating the liquid storage chamber into an upper chamber 211 and a lower chamber 212, and a plurality of through holes 221 are formed in the partition plate 220, and the through holes 221 are in one-to-one correspondence with the liquid delivery assemblies 300, so that the liquid delivery assemblies 300 directionally deliver the cooling medium in the lower chamber 212 into the upper chamber 211 through the through holes 221.
The partition plate 220 is provided for partitioning the liquid storage chamber into an upper chamber 211 and a lower chamber 212 in the vertical direction, through holes 221 are provided in the partition plate 220, and the through holes 221 are in one-to-one correspondence with the liquid feeding modules 300 in order to allow the liquid feeding modules 300 to directionally feed the cooling medium in the lower chamber 212 into the upper chamber 211 through the through holes 221.
In a further embodiment, as shown in fig. 2,4 and 5, the liquid feeding assembly 300 includes a cylindrical net drum 310, a lower connecting ring 320, an upper connecting ring 330, a connecting rod 340 and a stock unit 350, wherein the cylindrical net drum 310 is coaxially disposed with the through hole 221, the lower end of the cylindrical net drum 310 is disposed at the bottom of the liquid storage chamber, the upper end of the cylindrical net drum 310 is disposed on the lower surface of the isolation plate 220, the lower connecting ring 320 is coaxially disposed with the through hole 221, the lower end of the lower connecting ring 320 is disposed on the upper surface of the isolation plate 220, the upper connecting ring 330 is coaxially disposed with the through hole 221, the upper surface of the upper connecting ring 330 is disposed at the top of the liquid storage chamber, the connecting rod 340 is coaxially disposed with the through hole 221 and the connecting rod 340 is disposed in the through hole 221, the stock unit 350 is plural, the stock units 350 are disposed at intervals along the axis of the connecting rod 340, when the stock unit 350 moves to a preset distance above the lower connecting ring 320, the stock unit 350 can be opened to enable the cooling medium in the stock unit 350 to flow into the upper chamber 211, the top of the cooling drum 200 is provided with plural upper sensing cylinders 230, the plural upper sensing cylinders 230 are coaxially disposed with the upper sensing cylinders 230 and the upper sensing cylinders 360 are correspondingly connected with the first sensing cylinder 360 and the second sensing cylinder 360, the second sensing cylinder 360 is hermetically and connected with the first sensing cylinder 360 and the second sensing cylinder 360, the first sensing cylinder 360 and the second sensing cylinder 360, the second sensing cylinder 360 and the second sensing cylinder.
When the temperature in the upper chamber 211 increases, the air pressure in the upper chamber 211 increases, when the air pressure in the upper chamber 211 increases enough to drive the sensing cylinder 360 to move upward against the spring force of the second spring 370, the sensing cylinder 360 drives the connecting rod 340 to move upward, the connecting rod 340 drives the stock unit 350 to move upward, when the stock unit 350 moves to a preset distance above the lower connecting ring 320, the stock unit 350 opens so that the cooling medium in the stock unit 350 flows into the upper chamber 211, so that the cooling medium is directionally transferred from the lower chamber 212 into the upper chamber 211, and the higher the temperature in the upper chamber 211, the longer the rising distance of the connecting rod 340, so that the number of stock units 350 moving to a preset distance above the lower connecting ring 320 is also increased, the more the amount of the cooling medium added into the upper chamber 211 is, so that the depletion of the cooling medium in the upper chamber 211 is avoided, the cooling medium is gradually vaporized by heat absorption and accumulated to the top of the sensing cylinder 360 after entering the inside of the upper chamber 211, the top temperature of the sensing cylinder 360 is lower than the temperature in the upper chamber 211 because the top of the sensing cylinder 360 is far away from the center of the heat source, the cooling medium is gradually condensed into a liquid state after the temperature is reduced and drops into the upper chamber 211, and as the amount of the cooling medium in the upper chamber 211 is gradually increased, the cooling medium flows into the lower chamber 212 through the through holes 221 after the height of the cooling medium exceeds the height of the lower connecting ring 320, so that the self circulation of the cooling medium between the upper chamber 211 and the lower chamber 212 is realized.
It should be further noted that, in order to limit the moving distance of the induction barrel 360, specifically, a vertical sliding groove 331 is formed on an inner peripheral wall of the upper connecting ring 330, a sliding block 362 is disposed on an outer peripheral wall of the induction barrel 360, and the sliding block 362 is slidably connected in the vertical sliding groove 331.
In a further embodiment, as shown in fig. 2, 4 and 5, the stock unit 350 includes a lower fixing ring 351, a sealing ring 352, an intermediate ring 353 and a plurality of supporting rods 354, the lower fixing ring 351 is coaxially disposed on the connecting rod 340, the intermediate ring 353 is coaxially slidably sleeved on the connecting rod 340, and the intermediate ring 353 is elastically connected with the connecting rod 340, specifically, the lower fixing ring 351 and the intermediate ring 353 are connected through a first spring 355, the plurality of supporting rods 354 are circumferentially equally spaced on an outer circumferential wall of the intermediate ring 353, one end of the supporting rod 354 remote from the intermediate ring 353 is disposed on an inner circumferential wall of the sealing ring 352, and both the lower fixing ring 351 and the sealing ring 352 can be slidably sealed with the lower connecting ring 320.
In the initial state, under the action of the elastic force of the first spring 355, a gap is formed between the upper surface of the lower fixing ring 351 and the lower surface of the sealing ring 352, after the temperature in the upper chamber 211 increases, the connecting rod 340 moves upwards, the lower fixing ring 351 is driven by the connecting rod 340 to move upwards synchronously, and because the sealing ring 352 and the lower connecting ring 320 are in sliding sealing contact, after the sealing ring 352 and the lower connecting ring 320 continue to move upwards, the first spring 355 is compressed, the lower surface of the sealing ring 352 abuts against the upper surface of the lower fixing ring 351, then, after the connecting rod 340 continues to move upwards, the sealing ring 352 and the lower fixing ring 351 bear cooling medium, after the connecting rod 340 moves upwards until the sealing ring 352 no longer contacts the lower connecting ring 320, the sealing ring 352 is far away from the lower fixing ring 351 under the action of the spring force, and then the cooling medium borne by the sealing ring 352 and the lower fixing ring 351 flows into the upper chamber 211.
In a further embodiment, as shown in fig. 6, the top of the induction barrel 360 is provided with a plurality of heat dissipation fins 361.
The arrangement is to enhance the heat dissipation effect of the top region of the induction barrel 360, so that the temperature of the top region of the induction barrel 360 is lower than that of the upper chamber 211, so that the vaporized cooling medium can be condensed into a liquid cooling medium after the temperature is reduced.
In a further embodiment, as shown in FIG. 2, the top of the cooling cartridge 200 is provided with a pumping assembly 500, the pumping assembly 500 being used to reduce the air pressure within the reservoir chamber.
The purpose of the air extraction assembly 500 is to reduce the air pressure in the liquid storage chamber, so that the air pressure in the liquid storage chamber is smaller than the standard atmospheric pressure, and the boiling point of the cooling medium is reduced, so that the cooling effect of the cooling medium is improved.
In a further embodiment, as shown in fig. 6, the air extraction assembly 500 includes a movable ring 510 and a screw 520, the top center of the cooling cylinder 200 is provided with an annular sinking groove 530, the peripheral wall of the annular sinking groove 530 is provided with a plurality of ventilation grooves 531, the plurality of ventilation grooves 531 are in one-to-one correspondence with a plurality of subchambers, the axis of the screw 520 is vertical, the movable ring 510 is coaxial with the annular sinking groove 530, the movable ring 510 is in threaded connection with the screw 520, the top of the movable ring 510 is provided with an air extraction pipe 511, and the lower end of the air extraction pipe 511 penetrates through the movable ring 510 downwards.
After the cooling medium is stored in the upper chamber 211 and the lower chamber 212, the worker rotates the screw 520, at this time, under the driving action of the screw 520, the moving ring 510 is forced to move upwards, at this time, the lower surface of the moving ring 510 is no longer in contact with the bottom surface of the annular sink 530, at this time, the lower end of the air suction pipe 511 is communicated with the annular sink 530, so that the upper end of the air suction pipe 511 is connected with the air suction pump, the air in the liquid storage chamber is pumped out by the air suction pump, so that the air pressure in the liquid storage chamber is lower than the standard atmospheric pressure, after the air pressure in the liquid storage chamber is lower than the standard atmospheric pressure, the worker firstly closes the air suction pipe 511, and then reversely rotates the screw 520, so that the moving ring 510 is forced to move downwards, so that the lower surface of the moving ring 510 is in contact with the bottom surface of the annular sink 530, at this time, the air pressure in the liquid storage chamber is lower than the standard atmospheric pressure, and at this time, the plurality of air suction grooves 531 are blocked by the side surfaces of the moving ring 510, so that the sub-chambers are independent of each other, and are not communicated with each other.
It should be further noted that, an upper liquid inlet 250 is further provided at the exterior of the cooling cylinder 200, the upper liquid inlet 250 is used for adding a cooling medium into the upper chamber 211, and a lower liquid inlet 240 is further provided at the exterior of the cooling cylinder 200, and the lower liquid inlet 240 is used for adding a cooling medium into the lower chamber 212.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.