CN113466512B - Electric energy metering box - Google Patents
Electric energy metering box Download PDFInfo
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- CN113466512B CN113466512B CN202110544664.4A CN202110544664A CN113466512B CN 113466512 B CN113466512 B CN 113466512B CN 202110544664 A CN202110544664 A CN 202110544664A CN 113466512 B CN113466512 B CN 113466512B
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- liquid
- metering box
- oil
- insulating oil
- antioxidant
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- 239000007788 liquid Substances 0.000 claims abstract description 116
- 238000002347 injection Methods 0.000 claims abstract description 72
- 239000007924 injection Substances 0.000 claims abstract description 72
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 60
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 58
- 239000000725 suspension Substances 0.000 claims abstract description 54
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 25
- 239000012670 alkaline solution Substances 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 13
- 230000007797 corrosion Effects 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- 230000006866 deterioration Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000006386 neutralization reaction Methods 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000002195 soluble material Substances 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000009423 ventilation Methods 0.000 claims 2
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 239000012528 membrane Substances 0.000 description 9
- 238000005213 imbibition Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 235000019614 sour taste Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an electric energy metering box, which belongs to the field of electric energy metering boxes, and is characterized in that a radiator is additionally arranged on an existing oil metering box to improve the radiating effect, the radiator does not work in a certain radiating range, when the high temperature reaches beyond the radiating capacity of the metering box, the radiator is triggered to work, and the insulating oil is utilized to lift a suspension ball under the effect of high-temperature over expansion so that an air outlet extends to the outside of the oil metering box body, thereby the high-temperature gas in the oil metering box body is emitted, the radiating effect is effectively improved, an antioxidant in an antioxidant injection cavity enters a liquid storage cavity through an outer pipe while the heat is radiated, the insulating oil dissolves a liquid outlet pipe and releases the antioxidant to improve the oxidation resistance of the insulating oil, an alkaline solution in a neutralizing liquid injection cavity is led to the lower end of the suspension ball to be immersed into the insulating oil, so that low-molecular acid generated by deterioration of the insulating oil is neutralized, and corrosion is effectively avoided.
Description
Technical Field
The invention relates to the field of electric energy metering boxes, in particular to an electric energy metering box.
Background
The metering box is the whole body of metering devices and auxiliary equipment which are necessary for metering electric energy, and comprises an electric energy meter, a metering voltage, a current transformer and a secondary circuit thereof, an electric energy metering screen, a cabinet, a box and the like. The metering box is a combination of a combined transformer, a measuring instrument and a meter. The metering box is the whole body of metering devices and auxiliary equipment which are necessary for metering electric energy, and comprises an electric energy meter, a metering voltage, a current transformer and a secondary circuit thereof, an electric energy metering screen, a cabinet, a box and the like.
The common oil-type metering box in the market has an insulating oil as an insulating medium, and the physical and chemical properties of the insulating oil are gradually changed after the insulating oil is subjected to the actions of temperature, oxygen, electric field, moisture and the like in operation. The oil color changes from light yellow to deep, the density becomes larger, the viscosity increases, the flash point decreases, the acid value increases, the insulativity and the fluidity deteriorate, low molecular acid which damages equipment insulation and causes metal corrosion is generated, sour taste and even burnt taste appear, sludge sediment appears in the transformer, the circulation and heat dissipation of oil are affected, and if measures are not timely taken, accidents can occur.
The respirator is arranged on the box cover of the existing oil type metering box so as to prevent rain and snow and expansion and breathing of the sun, but the respirator does not play a role in heat dissipation, when the temperature inside the metering box is too high, insulating oil can be deteriorated, the insulating effect is lost, and damage to the metering box can be deepened if the deteriorated insulating oil is not timely treated.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems existing in the prior art, and provides an electric energy metering box, which is characterized in that a radiator is additionally arranged on the existing oil metering box to improve the radiating effect, the radiator does not work in a certain radiating range, when the high temperature reaches the radiating capacity exceeding the metering box, the radiator is triggered to work, the insulating oil is utilized to raise a suspension ball under the effect of high-temperature excessive expansion so that an air outlet extends to the outside of the oil metering box body, so that internal high-temperature gas is emitted, the radiating effect is effectively improved, an antioxidant in an antioxidant injection cavity enters a liquid storage cavity through an outer pipe during radiating, the insulating oil dissolves a liquid outlet pipe and releases the antioxidant to improve the oxidation resistance of the insulating oil, an inner pipe guides alkaline solution in a neutralizing liquid injection cavity to the lower end of the suspension ball to be immersed in the insulating oil, low-molecular acid generated by deterioration of the insulating oil is neutralized, and corrosion is effectively avoided.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides an electric energy batch meter, includes oily formula batch meter body, the inside packing of oily formula batch meter body has insulating oil, the upper end lateral wall of oily formula batch meter body is inserted and is equipped with a plurality of radiators, the radiator is including floating in the suspension ball of insulating oil liquid level, the upper end fixedly connected with of suspension ball runs through the hot air exchange tube of oily formula batch meter body upper end lateral wall, and the upper end fixedly connected with sealed hemisphere of hot air exchange tube, the sliding port that matches with the hot air exchange tube has been seted up to the upper end lateral wall of oily formula batch meter body, the liquid absorption hemisphere has been inlayed to the lower half part of suspension ball, and the lower extreme fixedly connected with of liquid absorption hemisphere extends to the drain bar of suspension ball lower surface, the liquid storage chamber has been seted up to the upper half part of suspension ball, and the both sides in liquid storage chamber all communicate the drain pipe, a plurality of air inlets have been seted up to the lower extreme lateral wall of hot air exchange tube, and the upper end lateral wall of hot air exchange tube has seted up a plurality of gas outlets, be provided with guide tube in the hot air exchange tube, and guide tube's upper end fixedly connected with sealed hemisphere has been seted up with the seal filler, seal filler has the seal filler in the sealing fluid and the sealing-up chamber, and the sealing filler has been filled with the sealing fluid and filled with the sealing fluid.
Furthermore, the suspension ball adopts light material, and the density of light material is less than the density of insulating oil, in order to float on insulating oil liquid level, insulating oil high temperature expansion just can raise the suspension ball like this to let the gas outlet stretch out to oily batch meter body in order to play the heat dissipation effect.
Furthermore, the liquid outlet pipe is of a horn-shaped structure with the outer part being wide and the inner part being narrow, and the liquid outlet pipe is inclined from the inside of the suspension ball to the outside, so that the antioxidant in the liquid storage cavity smoothly flows into the insulating oil.
Furthermore, the inner wall of the liquid outlet pipe is fixedly connected with an oil-soluble film, and the oil-soluble film is made of an oil-soluble material, so that when the insulating oil is excessively expanded at a high temperature, the liquid surface of the insulating oil is soaked in the oil-soluble film to dissolve the insulating oil and release the antioxidant.
Further, the guide tube comprises an outer tube communicated with the liquid storage cavity, the upper end of the outer tube is communicated with the antioxidant injection cavity, and when the antioxidant is injected into the antioxidant injection cavity, liquid flows into the outer tube from the antioxidant injection cavity and then flows into the liquid storage cavity from the outer tube.
Further, the inside of outer tube is provided with the inner tube, the upper end of inner tube runs through to the inside of neutralizing solution injection chamber, and the lower extreme of inner tube runs through the stock solution chamber and extends to in the imbibition hemisphere, and the inner tube is followed the neutralizing solution and is poured into the chamber and absorb alkaline solution into in the imbibition hemisphere to with liquid, and then let alkaline solution release in the insulating oil by the drain stick, thereby the acidic material in the insulating oil of neutralization.
Furthermore, the air inlet is obliquely upwards arranged from the outside to the inside of the suspension ball, the air outlet is obliquely upwards arranged from the inside to the outside of the suspension ball because hot air is expanded and risen, and the air inlet and the air outlet are also different in inlet and outlet directions, so that the inclination directions of the air inlet and the air outlet are opposite.
Further, the upper end lateral wall of suspension ball is inlayed and is had the ventilated membrane, and the ventilated membrane covers the gas outlet, and the ventilated membrane can prevent outside partial vapor from entering into inside the oily batch meter body, also can subdue the gap between hot air exchange tube and the sliding port, avoids the air to get into in the oily batch meter body, has played effectual sealed effect.
Further, the upper ends of the neutralization liquid injection cavity and the antioxidant injection cavity are respectively communicated with a soft sealing block, the soft sealing blocks extend to the outer surfaces of the sealing hemispheres, the soft sealing blocks are made of silica gel, and soft needles with soft textures can penetrate through the soft sealing blocks, so that liquid is conveniently added into the neutralization liquid injection cavity and the antioxidant injection cavity.
The application method of the electric energy metering box comprises the following application steps:
s1, when insulating oil is injected into an oil type metering box body, the liquid level of the insulating oil is lower than that of a suspension ball, and the distance between the liquid level of the insulating oil and the suspension ball is 1-2 cm;
S2, injecting proper amounts of alkaline solution and antioxidant into the neutralizing liquid injection cavity and the antioxidant injection cavity respectively by using a needle cylinder, and enabling a needle head of the needle cylinder to penetrate through the soft sealing block to enter the neutralizing liquid injection cavity or the antioxidant injection cavity during injection;
S3, when the insulating oil is excessively expanded due to high temperature, the liquid level of the insulating oil rises to enable the suspension ball to be lifted, the air outlet is lifted to the outside of the oil type metering box body, and high-temperature gas in the oil type metering box body is emitted to the outside through the air inlet and the air outlet, so that the heat dissipation effect is realized;
S4, simultaneously, the antioxidant in the antioxidant injection cavity is dripped into the insulating oil, so that the condition that the insulating oil is oxidized to deteriorate is effectively reduced, the alkaline solution in the neutralizing solution injection cavity is transferred to the lower end of the suspension ball to be immersed into the insulating oil, and after the insulating oil generates low molecular acid due to deterioration, the alkaline solution can neutralize the low molecular acid, so that the corrosion of the acidic substance to the internal components of the oil type metering box body is avoided.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the radiator is additionally arranged on the existing oil type metering box to improve the radiating effect, the radiator does not work in a certain radiating range, when the high temperature reaches the radiating capacity exceeding the metering box, the radiator is triggered to work, the insulating oil is utilized to lift the suspension ball under the effect of high-temperature over-expansion, so that the air outlet extends to the outside of the oil type metering box body, the inside high-temperature gas is emitted, the radiating effect is effectively improved, the antioxidant in the antioxidant injection cavity enters the liquid storage cavity through the outer pipe when the heat is radiated, the antioxidant is released after the liquid outlet pipe is dissolved by the insulating oil, so that the oxidation resistance of the insulating oil is improved, the inner pipe guides the alkaline solution in the neutralizing liquid injection cavity to the lower end of the suspension ball to be immersed into the insulating oil, and the low-molecular acid generated by the deterioration of the insulating oil is neutralized, so that the corrosion is effectively avoided.
(2) The suspending ball is made of light materials, the density of the light materials is smaller than that of insulating oil, the suspending ball can float on the liquid surface of the insulating oil, and therefore the suspending ball can be lifted by high-temperature expansion of the insulating oil, and accordingly the air outlet extends to the oil metering box body to play a role in heat dissipation.
(3) The drain pipe is the loudspeaker form structure of outside wide inside narrow, and the drain pipe inclines from the inside of suspension ball to outside, so in order to let the antioxidant in the stock solution chamber flow smoothly into the insulating oil.
(4) The inner wall of the liquid outlet pipe is fixedly connected with an oil-soluble film, and the oil-soluble film is made of an oil-soluble material, so that when the insulating oil is excessively expanded due to high temperature, the liquid surface of the insulating oil is dissolved by the oil-soluble film to release the antioxidant.
(5) The guide tube comprises an outer tube communicated with the liquid storage cavity, the upper end of the outer tube is communicated with the antioxidant injection cavity, and when the antioxidant is injected into the antioxidant injection cavity, liquid flows into the outer tube from the antioxidant injection cavity and then flows into the liquid storage cavity from the outer tube.
(6) The inside of outer tube is provided with the inner tube, and the upper end of inner tube runs through to the inside of neutralizing liquid injection chamber, and the lower extreme of inner tube runs through the stock solution chamber and extends to in the imbibition hemisphere, and the inner tube is from the alkaline solution of neutralizing liquid injection chamber to in guiding the imbibition hemisphere with liquid, and then let alkaline solution release to the insulating oil by the drain stick in, thereby neutralize the acidic material in the insulating oil.
(7) The air inlet is obliquely upwards arranged from the outside to the inside of the suspending ball, the air outlet is obliquely upwards arranged from the inside to the outside of the suspending ball, and the air inlet and the air outlet are also different in air inlet and outlet directions due to the fact that hot air is expanded and risen.
(8) The upper end lateral wall of suspension ball is inlayed and is had the ventilated membrane, and the ventilated membrane covers the gas outlet, and the ventilated membrane can prevent outside partial vapor from entering into inside the oily batch meter body, also can subdue the gap between hot air exchange tube and the sliding port, avoids the air to get into in the oily batch meter body, has played effectual sealed effect.
(9) The upper ends of the neutralizing liquid injection cavity and the antioxidant injection cavity are respectively communicated with a soft sealing block, the soft sealing blocks extend to the outer surfaces of the sealing hemispheres, the soft sealing blocks are made of silica gel, and soft needles with the soft sealing blocks can penetrate through the soft needles, so that liquid is conveniently added into the neutralizing liquid injection cavity and the antioxidant injection cavity.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram showing a radiator of the present invention before operation;
FIG. 3 is a schematic diagram of the radiator of the present invention in operation;
FIG. 4 is a schematic diagram of the structure shown at A in FIG. 2;
FIG. 5 is a schematic cross-sectional view of a suspension ball according to the present invention;
FIG. 6 is a schematic cross-sectional view of a hot air exchange tube according to the present invention;
FIG. 7 is a schematic cross-sectional view of a guide tube according to the present invention;
fig. 8 is a schematic cross-sectional view of a sealed hemisphere of the present invention.
The reference numerals in the drawings illustrate:
1 oil type metering box body, 101 insulating oil, 2 radiator, 201 suspension ball, 202 hot air exchange tube, 203 sealed hemisphere, 3 imbibition hemisphere, 4 liquid guide rod, 5 liquid storage cavity, 501 oil soluble film, 6 drain pipe, 7 guide tube, 701 outer tube, 702 inner tube, 8 air inlet, 9 gas outlet, 10 ventilated membrane, 11 neutralization liquid injection cavity, 12 antioxidant injection cavity, 13 soft sealing block.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
Referring to fig. 1-8, an electric energy metering box comprises an oil metering box body 1, referring to fig. 1-4, insulating oil 101 is filled in the oil metering box body 1, a plurality of radiators 2 are inserted into the side wall of the upper end of the oil metering box body 1, each radiator 2 comprises a suspension ball 201 floating on the liquid surface of the insulating oil 101, the suspension ball 201 is made of a light material, the density of the light material is smaller than that of the insulating oil 101, the insulating oil 101 can float on the liquid surface of the insulating oil 101, so that the suspension ball 201 can be lifted by high-temperature expansion of the insulating oil 101, an air outlet 9 extends out of the oil metering box body 1 to play a role of heat dissipation, an air permeable membrane 10 is embedded into the side wall of the upper end of the suspension ball 201 (the specific structure and the working principle of the insulating oil metering box are well known by a person in the art, the detail is not repeated here), the air outlet 9 is covered by the air permeable membrane 10, external moisture is prevented from entering the inside the oil metering box body 1, gaps between a heat exchange tube 202 and a sliding port are avoided, the air enters into the oil metering box body 1, the upper end of the insulating oil metering box body is effectively connected with the heat exchange tube 202, and the upper end of the insulating oil metering box is effectively sealed, and the upper end of the insulating tube 202 is connected with the heat exchange tube 202 through the heat exchange tube is sealed;
Referring to fig. 5, a sliding port matched with a hot air exchange tube 202 is formed in the side wall of the upper end of an oil metering box body 1, a liquid suction hemisphere 3 is inlaid in the lower half part of a suspension ball 201, the lower end of the liquid suction hemisphere 3 is fixedly connected with a liquid guide rod 4 extending to the lower surface of the suspension ball 201, a liquid storage cavity 5 is formed in the upper half part of the suspension ball 201, two sides of the liquid storage cavity 5 are communicated with a liquid outlet tube 6, the liquid outlet tube 6 is of a horn-shaped structure with a wide outside and a narrow inside, the liquid outlet tube 6 is inclined from the inside to the outside of the suspension ball 201, in order to enable an antioxidant in the liquid storage cavity 5 to smoothly flow into the insulating oil 101, the inner wall of the liquid outlet tube 6 is fixedly connected with an oil-soluble film 501 (the specific material of which can be selected according to actual requirements, the specific structure and the working principle of which are well known by a person skilled in the art are not described in detail), and the oil-soluble film 501 adopts the oil-soluble material, when the insulating oil 101 is excessively expanded at a high temperature, the liquid level of the insulating oil 101 passes through the oil-soluble film 501 to be dissolved and is released, the antioxidant is arranged at the same, the air inlet 8 is arranged at the inner side wall of the air inlet 9 and outer side wall of the air inlet 9 is inclined from the outside to the air inlet 9, and the air inlet 9 is inclined from the outside to the air inlet 9 and the air inlet 9 is arranged at the air inlet 9 and the air inlet 9 is inclined from the air inlet 9 to the air inlet 9 and the air inlet 9;
Referring to fig. 6-8, a guiding tube 7 is disposed in the hot air exchange tube 202, and an upper end of the guiding tube 7 extends into the sealed hemisphere 203, the guiding tube 7 includes an outer tube 701 communicating with the liquid storage cavity 5, an upper end of the outer tube 701 communicates with the antioxidant injection cavity 12, when the antioxidant is injected into the antioxidant injection cavity 12, the liquid flows from the antioxidant injection cavity 12 into the outer tube 701, and then flows from the outer tube 701 into the liquid storage cavity 5, an inner tube 702 is disposed in the inner portion of the outer tube 701, an upper end of the inner tube 702 penetrates into the interior of the neutralizing solution injection cavity 11, and a lower end of the inner tube 702 penetrates into the liquid storage cavity 5 and extends into the liquid suction hemisphere 3, the inner tube 702 absorbs alkaline solution from the neutralizing solution injection cavity 11 and guides the liquid into the liquid suction hemisphere 3, and then releases the alkaline solution from the liquid guide rod 4 into the insulating oil 101, so that acidic substances in the neutralizing oil 101 are neutralized, a neutralizing solution injection cavity 11 is disposed in an upper portion of the sealed hemisphere 203, and the neutralizing solution injection cavity 11 is filled with alkaline solution (the alkaline solution is selected to react with low molecular acid components, which are not known in detail in the art);
referring to fig. 8, two symmetrically distributed antioxidant injection cavities 12 communicated with the guide tube 7 are formed at the lower part of the sealing hemisphere 203, antioxidants are filled in the antioxidant injection cavities 12, the upper ends of the neutralization liquid injection cavities 11 and the antioxidant injection cavities 12 are respectively communicated with a soft sealing block 13, the soft sealing blocks 13 extend to the outer surface of the sealing hemisphere 203, the soft sealing blocks 13 are made of silica gel, soft needles with the soft sealing blocks 13 can penetrate through, and thus liquid is conveniently added into the neutralization liquid injection cavities 11 and the antioxidant injection cavities 12.
The application method of the device comprises the following application steps:
s1, when insulating oil 101 is injected into an oil type metering box body 1, the liquid level of the insulating oil 101 is lower than that of a suspension ball 201, and the distance between the liquid level of the insulating oil 101 and the suspension ball 201 is 1-2 cm;
S2, injecting proper amounts of alkaline solution and antioxidant into the neutralizing liquid injection cavity 11 and the antioxidant injection cavity 12 respectively by using a syringe, and enabling a needle of the syringe to penetrate through the soft sealing block 13 to enter the neutralizing liquid injection cavity 11 or the antioxidant injection cavity 12 during injection;
S3, when the insulating oil 101 excessively expands due to high temperature, the liquid level of the insulating oil 101 rises to enable the suspension ball 201 to be lifted, the air outlet 9 is lifted to the outside of the oil type metering box body 1, and high-temperature gas in the oil type metering box body 1 is emitted to the outside through the air inlet 8 and the air outlet 9, so that the heat dissipation effect is achieved;
S4, simultaneously, the antioxidant in the antioxidant injection cavity 12 is dripped into the insulating oil 101, so that the condition that the insulating oil 101 is oxidized to deteriorate is effectively reduced, the alkaline solution in the neutralizing solution injection cavity 11 is transferred to the lower end of the suspension ball 201 to be immersed into the insulating oil 101, and after the insulating oil 101 generates low molecular acid due to deterioration, the alkaline solution can neutralize the low molecular acid, so that the corrosion of the acidic substance to the internal components of the oil type metering box body 1 is avoided.
According to the oil type metering box, a radiator is additionally arranged on an existing oil type metering box to improve the radiating effect, the radiator does not work in a certain radiating range, when the high temperature reaches the radiating capacity exceeding the metering box, the radiator is triggered to work, the insulating oil 101 is utilized to be subjected to the high-temperature excessive expansion to lift the suspension ball 201, so that the air outlet 9 extends to the outside of the oil type metering box body 1, the internal high-temperature gas is emitted, the radiating effect is effectively improved, the antioxidant in the antioxidant injection cavity 12 enters the liquid storage cavity 5 through the outer tube 701 while the heat is radiated, the antioxidant is released after the insulating oil 101 dissolves the liquid outlet tube 6, the oxidation resistance of the insulating oil 101 is improved, the inner tube 702 guides the alkaline solution in the neutralizing liquid injection cavity 11 to the lower end of the suspension ball 201 to be immersed in the insulating oil 101, low-molecular acid generated by deterioration of the insulating oil 101 is neutralized, and corrosion is effectively avoided.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present invention.
Claims (10)
1. The utility model provides an electric-energy metering box, includes oily batch meter body (1), the inside packing of oily batch meter body (1) has insulating oil (101), the upper end lateral wall of oily batch meter body (1) is inserted and is equipped with a plurality of radiators (2), its characterized in that: the radiator (2) comprises a suspension ball (201) floating on the liquid level of insulating oil (101), the upper end of the suspension ball (201) is fixedly connected with a hot air exchange tube (202) penetrating through the side wall of the upper end of the oil metering box body (1), the upper end of the hot air exchange tube (202) is fixedly connected with a sealing hemisphere (203), the side wall of the upper end of the oil metering box body (1) is provided with a sliding port matched with the hot air exchange tube (202), the lower half part of the suspension ball (201) is inlaid with a liquid suction hemisphere (3), the lower end of the liquid suction hemisphere (3) is fixedly connected with a liquid guide rod (4) extending to the lower surface of the suspension ball (201), the upper half part of the suspension ball (201) is provided with a liquid storage cavity (5), two sides of the liquid storage cavity (5) are both communicated with a liquid outlet tube (6), the side wall of the lower end of the hot air exchange tube (202) is provided with a plurality of air inlets (8), the side wall of the upper end of the hot air exchange tube (202) is provided with a plurality of air outlets (9), the upper end of the hot air exchange tube (202) is provided with a liquid guide rod (4) extending to the lower surface of the suspension ball (201), the liquid guide rod (201) is provided with a liquid guide cavity (5), the liquid guide cavity (7) is filled with the liquid injection cavity (11), the liquid is filled into the liquid guide cavity (203), the liquid injection cavity (7) and the liquid is filled into the liquid injection cavity (7), the liquid injection cavity (7) is filled into the liquid (7), the liquid is filled into the liquid injection cavity is filled into the liquid air and is filled with the liquid air. Two symmetrically distributed antioxidant injection cavities (12) communicated with the guide pipe (7) are formed in the lower portion of the sealing hemisphere (203), and antioxidants are filled in the antioxidant injection cavities (12).
2. An electric energy metering box as claimed in claim 1, characterized in that: the suspension balls (201) are made of light materials, and the density of the light materials is smaller than that of the insulating oil (101).
3. An electric energy metering box as claimed in claim 1, characterized in that: the liquid outlet pipe (6) is of a horn-shaped structure with the outer part wide and the inner part narrow, and the liquid outlet pipe (6) is inclined from the inner part of the suspension ball (201) to the outer part.
4. An electric energy metering box as claimed in claim 1, characterized in that: the inner wall of the liquid outlet pipe (6) is fixedly connected with an oil-soluble film (501), and the oil-soluble film (501) is made of an oil-soluble material.
5. An electric energy metering box as claimed in claim 1, characterized in that: the guide tube (7) comprises an outer tube (701) communicated with the liquid storage cavity (5), and the upper end of the outer tube (701) is communicated with the antioxidant injection cavity (12).
6. An electric energy metering box as claimed in claim 5, characterized in that: an inner pipe (702) is arranged in the outer pipe (701), the upper end of the inner pipe (702) penetrates into the neutralizing liquid injection cavity (11), and the lower end of the inner pipe (702) penetrates through the liquid storage cavity (5) and extends into the liquid suction hemisphere (3).
7. An electric energy metering box as claimed in claim 1, characterized in that: the air inlet (8) is arranged obliquely upwards from the outside of the suspension ball (201) to the inside, and the air outlet (9) is arranged from the inside of the suspension ball (201) to the outside.
8. An electric energy metering box as claimed in claim 1, characterized in that: the upper end side wall of the suspension ball (201) is embedded with a ventilation film (10), and the ventilation film (10) covers the air outlet (9).
9. An electric energy metering box as claimed in claim 1, characterized in that: the upper ends of the neutralization liquid injection cavity (11) and the antioxidant injection cavity (12) are respectively communicated with a soft sealing block (13), the soft sealing blocks (13) extend to the outer surface of the sealing hemisphere (203), and the soft sealing blocks (13) are made of silica gel.
10. The method of using an electrical energy metering box according to claim 1, wherein: the method comprises the following using steps:
S1, when insulating oil (101) is injected into an oil type metering box body (1), the liquid level of the insulating oil (101) is lower than a suspension ball (201), and the distance between the liquid level of the insulating oil (101) and the suspension ball (201) is 1-2 cm;
S2, injecting proper amounts of alkaline solution and antioxidant into the neutralizing liquid injection cavity (11) and the antioxidant injection cavity (12) respectively by using a needle of the needle cylinder, penetrating through the soft sealing block (13) and entering into the neutralizing liquid injection cavity (11) or the antioxidant injection cavity (12) during injection;
S3, when the insulating oil (101) is excessively expanded due to high temperature, the liquid level of the insulating oil (101) rises to enable the suspension ball (201) to be lifted, the air outlet (9) is lifted to the outside of the oil type metering box body (1), and high-temperature gas in the oil type metering box body (1) is emitted to the outside through the air inlet (8) and the air outlet (9), so that the heat dissipation effect is achieved;
s4, simultaneously, the antioxidant in the antioxidant injection cavity (12) is dripped into the insulating oil (101), so that the condition that the insulating oil (101) is oxidized to deteriorate is effectively reduced, the alkaline solution in the neutralizing liquid injection cavity (11) is transferred to the lower end of the suspension ball (201) to be immersed into the insulating oil (101), and after the insulating oil (101) generates low-molecular acid due to deterioration, the alkaline solution can neutralize the low-molecular acid, so that the corrosion of the acidic substance to the internal components of the oil metering box body (1) is avoided.
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| CN113466512B true CN113466512B (en) | 2024-04-19 |
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| KR200367537Y1 (en) * | 2004-08-16 | 2004-11-12 | 삼정전기공업 주식회사 | A dehydrating breather for transformer |
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| CN212134781U (en) * | 2020-03-05 | 2020-12-11 | 徐州创之社通用技术产业研究院有限公司 | Novel multi-functional electric power metering box |
| CN212750563U (en) * | 2020-08-05 | 2021-03-19 | 华宝科技有限公司 | Heat radiation structure of plant insulating oil transformer |
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2021
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| KR200367537Y1 (en) * | 2004-08-16 | 2004-11-12 | 삼정전기공업 주식회사 | A dehydrating breather for transformer |
| DE102010033962A1 (en) * | 2010-08-07 | 2012-02-09 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Housing for electronic energy meter, has intermediate plate which spatially and electrically disconnects shunt components, which is connected with lower housing portion by retaining clips used for fixing shunt components |
| CN212134781U (en) * | 2020-03-05 | 2020-12-11 | 徐州创之社通用技术产业研究院有限公司 | Novel multi-functional electric power metering box |
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