CN112152136A - Gas-insulated metal-enclosed switchgear for high-voltage power - Google Patents
Gas-insulated metal-enclosed switchgear for high-voltage power Download PDFInfo
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- CN112152136A CN112152136A CN202010992972.9A CN202010992972A CN112152136A CN 112152136 A CN112152136 A CN 112152136A CN 202010992972 A CN202010992972 A CN 202010992972A CN 112152136 A CN112152136 A CN 112152136A
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- insulated metal
- sleeve
- gas
- enclosed switchgear
- enclosed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
Abstract
The invention provides a gas insulated metal-enclosed switchgear for high-voltage power, which comprises a gas insulated metal-enclosed switchgear main body, wherein a sleeve is arranged on a support through a bolt, a motor is arranged on one side of the sleeve through a bolt, an outer sleeve is welded on one side of the sleeve, a sealing door is arranged on one side of the sleeve, a connecting pipe is welded on the top of the sleeve, a through pipe is welded on the top of the outer sleeve, an eccentric wheel is arranged on the inner side of the sleeve, the gas insulated metal-enclosed switchgear for high-voltage power can automatically supplement gas, sufficient air is ensured to be contained in the gas insulated metal-enclosed switchgear main body, moisture, impurities and the like are prevented from entering the gas insulated metal-enclosed switchgear main body, sufficient insulating property of the air is ensured, the air pressure in the gas insulated metal-enclosed switchgear main body is kept constant, and the influence, the safety work of the gas insulated metal-enclosed switch main body is guaranteed, and the gas insulated metal-enclosed switch main body is suitable for switch control of high-voltage power.
Description
Technical Field
The invention relates to the technical field of gas-insulated metal-enclosed switches, in particular to a gas-insulated metal-enclosed switch device for high-voltage power.
Background
The gas insulated metal enclosed switchgear is a metal enclosed switchgear and a control device which adopt gas above atmospheric pressure as an insulating medium, and is composed of a breaker, an isolating switch, a grounding switch, a mutual inductor, a lightning arrester, a bus, a connecting piece, an outgoing line terminal and the like, all of the devices or components are enclosed in a metal grounded shell, the existing gas insulated metal enclosed switchgear basically has the advantages of compact structure, small occupied area, high reliability, flexible configuration, convenient installation, strong safety, strong environmental adaptability, small maintenance workload and the like, can meet the use requirement of switch control during high-voltage power transmission, but for the existing gas insulated metal enclosed switchgear, on one hand, in the long-time working process, the internal high-voltage insulating gas is easy to overflow out, and is further not beneficial to ensuring the working safety of the gas insulated metal enclosed switchgear, on the other hand, when the high-pressure gas is supplemented, the impurities and the water vapor which move are easily mixed, the insulativity of the high-pressure gas is further reduced, the work safety of the gas-insulated metal-enclosed switchgear is not favorably ensured, on the other hand, the air pressure of the high-pressure air of the gas-insulated metal-enclosed switchgear is easily influenced by the outside air temperature, and the stability of the air pressure in the gas-insulated metal-enclosed switchgear is not favorably ensured.
Disclosure of Invention
The invention aims to provide gas-insulated metal-enclosed switchgear for high-voltage power, which is used for solving the problems in the background art and is novel in structure, multifunctional and suitable for controlling the high-voltage power switch.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a gas insulated metal-enclosed switchgear for high-voltage power comprises a gas insulated metal-enclosed switch main body, wherein a support is installed at the bottom of the gas insulated metal-enclosed switch main body through bolts, a sleeve is installed on the support through bolts, a motor is installed on one side of the sleeve through bolts, an outer sleeve is welded on one side of the sleeve, a sealing door is installed on one side of the sleeve, a connecting pipe is welded at the top of the sleeve, a through pipe is welded at the top of the outer sleeve, an eccentric wheel is arranged on the inner side of the sleeve, an eccentric shaft is welded on the eccentric wheel, a piston is clamped on the inner side of the sleeve, a connecting rod is installed on the piston, check valves are installed at the bottom of the sleeve, the inner side of the connecting pipe and the piston, a filter screen is installed at the bottom of the sleeve through bolts, a moisture absorption plate is arranged at the, the heat-insulating pipe is characterized in that a sealing barrel is bonded on the inner wall of the heat-insulating layer, a sealing sleeve is welded at the bottom of the through pipe, a spring plate is welded at the bottom of the sealing sleeve, a touch switch is mounted on the inner wall of the sealing sleeve through a bolt, and an electric heating plate and a temperature control switch are mounted on the inner wall of the sealing barrel through a bolt.
In a further embodiment, the touch switch is connected with the motor through an electric wire, and the temperature control switch is connected with the electric heating plate through an electric wire.
In a further embodiment, one side of the eccentric is passed through the inner wall of the sleeve and welded to the output shaft of the motor, and the eccentric shaft is welded to the outside at the center of the eccentric.
In a further embodiment, the sleeve is communicated with the inside of the gas-insulated metal closed switch main body through a connecting pipe, and the gas flowing direction of the one-way valve is upward.
In a further embodiment, a guide rod is arranged at the bottom of the touch switch, one end of the guide rod is installed at the bottom of the touch switch through a rotating shaft, and the other end of the guide rod is installed at the top of the elastic sheet through a rotating shaft.
In a further embodiment, one end of the connecting rod is mounted on the bottom of the piston through a rotating shaft, and the top of the connecting rod is mounted on the eccentric shaft through a rotating shaft.
In a further embodiment, the outer diameter of the piston is equal to the inner diameter of the sleeve, and the filter screen and the moisture absorption plate are mounted on the inner side of the sealing door.
In a further embodiment, the top end of the through pipe is arranged at the top of the outer sleeve, and the bottom of the through pipe penetrates through the outer sleeve, the heat insulation layer and the sealing cylinder in sequence and extends to the inner side of the sealing cylinder.
In a further embodiment, the sealing sleeve is communicated with the gas-insulated metal closed switch main body through a through pipe, and the gas pressure inside the sealing cylinder is equal to the standard gas pressure inside the gas-insulated metal closed switch main body.
In a further embodiment, the moisture absorption plate is a silica gel moisture absorption plate, a sealing strip is bonded to the outer side of the sealing door, and the sealing door is clamped on the inner side of the sleeve through the sealing strip.
Compared with the prior art, the invention has the beneficial effects that:
1. when the gas insulated metal-enclosed switchgear for high-voltage electric power is used, when the air pressure in the gas insulated metal-enclosed switchgear main body is reduced, the air pressure in the sealing sleeve is smaller than the air pressure in the sealing cylinder, the elastic sheet is flattened upwards by the air pressure in the sealing cylinder, the elastic sheet pushes the touch switch through the guide rod, the motor is turned on, the motor drives the eccentric wheel to rotate, the eccentric shaft drives the piston to move up and down through the connecting rod, when the piston moves downwards, the air at the bottom of the piston is pressed into the top of the piston, when the piston moves upwards, the outside air is sucked into the bottom of the sleeve, the air at the top of the piston is extruded into the connecting pipe, and the air is sent into the gas insulated metal-enclosed switchgear main body through the connecting pipe, so that the gas can be automatically supplemented into the gas insulated metal-enclosed switchgear main body, and the sufficient air in the gas, the working safety of the gas insulated metal enclosed switch main body is guaranteed.
2. This a gas insulated metal-enclosed switchgear for high tension electricity is when using, when supplementing external air in to gas insulated metal-enclosed switch main part, at first utilize the moisture absorption board to absorb the moisture in the air, ensure the aridity of air, the impurity of rethread filter screen in with the air filters, ensure the purity of air, thereby avoid moisture and impurity etc. to enter into in the gas insulated metal-enclosed switch main part effectively, avoid moisture and impurity to reduce the insulating nature of air, ensure the work safety of gas insulated metal-enclosed switch main part.
3. This a gas insulated metal-enclosed switchgear for high tension electricity is when using, when the temperature in the sealed section of thick bamboo reduces, open the electric plate through temperature detect switch, utilize the electric plate to heat in the sealed section of thick bamboo, and after the temperature risees, break off the electric plate through temperature detect switch, stop heating in the sealed section of thick bamboo, can ensure the constancy of temperature in the sealed section of thick bamboo effectively, and then keep the atmospheric pressure in the sealed section of thick bamboo invariable, and because the sealed section of thick bamboo is in the complete seal state, inboard gas volume keeps invariable, the temperature also keeps invariable, thereby make the atmospheric pressure in the sealed section of thick bamboo keep invariable, thereby can control the atmospheric pressure in the gas insulated metal-enclosed switch main part and keep invariable, avoid receiving the temperature influence, ensure the safe work of gas insulated metal-enclosed switch main part.
Drawings
Fig. 1 is a schematic structural view of a gas insulated metal enclosed switchgear for high voltage power of the present invention;
fig. 2 is a side sectional view of a sleeve of a gas insulated metal enclosed switchgear for high voltage power of the present invention;
in the figure: 1. a gas insulated metal enclosed switch body; 2. a support; 3. a sleeve; 4. a motor; 5. a jacket; 6. a sealing door; 7. connecting pipes; 8. pipe passing; 9. an eccentric wheel; 10. an eccentric shaft; 11. a piston; 12. a connecting rod; 13. a one-way valve; 14. filtering with a screen; 15. a moisture absorption plate; 16. a heat-insulating layer; 17. a sealing cylinder; 18. sealing sleeves; 19. a spring plate; 20. a touch switch; 21. a guide bar; 22. an electric hot plate; 23. a temperature control switch.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a gas insulated metal enclosed switchgear for high voltage electrical power characterized in that: including gas insulated metal-enclosed switch main part 1, support 2 is installed through the bolt in the bottom of gas insulated metal-enclosed switch main part 1, install sleeve 3 through the bolt on support 2, motor 4 is installed through the bolt in one side of sleeve 3, one side welding of sleeve 3 has overcoat 5, sealing door 6 is installed to one side of sleeve 3, the top welding of sleeve 3 has connecting pipe 7, the top welding of overcoat 5 has siphunculus 8, the inboard of sleeve 3 is provided with eccentric wheel 9, the welding has eccentric shaft 10 on the eccentric wheel 9, the inboard card of sleeve 3 has piston 11, install connecting rod 12 on the piston 11, all install check valve 13 on the bottom of sleeve 3, the inboard and the piston 11 of connecting pipe 7, filter screen 14 is installed through the bolt in the bottom of sleeve 3, the bottom of filter screen 14 is provided with moisture absorption board 15, the heat-insulating layer 16 is bonded on the inner wall of the outer sleeve 5, the sealing barrel 17 is bonded on the inner wall of the heat-insulating layer 16, the sealing sleeve 18 is welded at the bottom of the through pipe 8, the elastic sheet 19 is welded at the bottom of the sealing sleeve 18, the touch switch 20 is mounted on the inner wall of the sealing sleeve 18 through a bolt, the electric heating plate 22 and the temperature control switch 23 are mounted on the inner wall of the sealing barrel 17 through bolts, when the high-voltage wire and the gas-insulated metal closed switch main body 1 are connected, the high-voltage wire is controlled to be closed and disconnected through the gas-insulated metal closed switch main body 1, the heat-insulating layer can be used for insulating the sealing barrel, so that heat loss in the sealing barrel is reduced, and the constant temperature in the sealing barrel.
Example 2
Referring to fig. 2, the difference from example 1 is: the touch switch 20 is connected with the motor 4 through an electric wire, the temperature control switch 23 is connected with the electric heating plate 22 through an electric wire, when the sealing cylinder 17 is used, power is supplied through an external power supply, when the temperature in the sealing cylinder 17 is reduced, the electric heating plate 22 is opened through the temperature control switch 23, the electric heating plate 22 is used for heating the interior of the sealing cylinder 17, after the temperature is increased, the electric heating plate 22 is disconnected through the temperature control switch 23, the heating in the sealing cylinder 17 is stopped, the temperature in the sealing cylinder 17 can be effectively guaranteed to be constant, and further the air pressure in the sealing cylinder 17 is kept constant.
Example 3
Referring to fig. 1 and fig. 2, the difference from the embodiment 2 is: one side of the eccentric wheel 9 penetrates through the inner wall of the sleeve 3 and is welded on an output shaft of the motor 4, the eccentric shaft 10 is welded on the outer side of the center of the eccentric wheel 9, the sleeve 3 is communicated with the inside of the gas insulated metal closed switch main body 1 through the connecting pipe 7, the gas flowing direction of the one-way valve 13 is upward, one end of the connecting rod 12 is installed at the bottom of the piston 11 through a rotating shaft, the top of the connecting rod 12 is installed on the eccentric shaft 10 through a rotating shaft, the motor 4 can be opened through the touch pressure switch 20, the motor 4 drives the eccentric wheel 9 to rotate, the eccentric shaft 10 drives the piston 11 to move up and down through the connecting rod 12, when the piston 11 moves down, air at the bottom of the piston 11 is pressed into the top of the piston 11, when the piston 11 moves up, external air is sucked into the bottom of the sleeve 3, and air, and send into in the gas insulated metal enclosed switch main part 1 air through connecting pipe 7 to can be automatic to the supplementary gas in the gas insulated metal enclosed switch main part 1, ensure to have sufficient air in the gas insulated metal enclosed switch main part 1, ensure the work safety of gas insulated metal enclosed switch main part 1.
Example 4
Referring to fig. 1 and 2, the difference from example 3 is: the bottom of the touch switch 20 is provided with a guide rod 21, one end of the guide rod 21 is installed at the bottom of the touch switch 20 through a rotating shaft, the other end of the guide rod 21 is installed at the top of a spring plate 19 through a rotating shaft, the sealing sleeve 18 is communicated with the gas insulated metal closed switch main body 1 through a through pipe 8, the air pressure inside the sealing cylinder 17 is equal to the standard air pressure inside the gas insulated metal closed switch main body 1, the top end of the through pipe 8 is arranged at the top of the outer sleeve 5, the bottom of the through pipe 8 sequentially penetrates through the outer sleeve 5, the heat insulation layer 16 and the sealing cylinder 17 and extends to the inner side of the sealing cylinder 17, when the air pressure inside the gas insulated metal closed switch main body 1 is reduced, the air pressure inside the sealing sleeve 18 is smaller than the air pressure inside the sealing cylinder 17, the spring plate 19 is upwards pressed by the air pressure inside the sealing, the motor 4 is turned on, the gas is filled into the gas insulated metal closed switch main body 1, when the gas pressure in the gas insulated metal closed switch main body 1 is equal to the gas pressure in the sealing cylinder 17, the elastic sheet 19 bulges outwards in the sealing sleeve 18, the touch switch 20 is disconnected through the guide rod 21, the gas filling into the gas insulated metal closed switch main body 1 is stopped, and the gas quantity at the inner side is kept constant and the temperature is kept constant because the sealing cylinder 17 is in a completely sealed state, so that the gas pressure in the sealing cylinder 17 is kept constant, the gas pressure in the gas insulated metal closed switch main body 1 can be controlled to be kept constant, the influence of the temperature is avoided, and the safe operation of the gas insulated metal closed switch main body 1 is guaranteed.
Example 5
Referring to fig. 2, the difference from example 4 is: the internal diameter of sleeves 3 such as the external diameter of piston 11, filter screen 14 and moisture absorption plate 15 are installed in the inboard of sealing door 6, moisture absorption plate 15 is silica gel moisture absorption plate, the outside side bonding of sealing door 6 has the sealing strip, sealing door 6 passes through the sealing strip card in sleeve 3's inboard, when supplementing external air in to gas insulated metal enclosed switch main part 1, at first utilize moisture absorption plate 15 to absorb the moisture in the air, ensure the aridity of air, rethread filter screen 14 filters the impurity in the air, ensures the purity of air to avoid moisture and impurity etc. to enter into in gas insulated metal enclosed switch main part 1 effectively, avoid moisture and impurity to reduce the insulating nature of air, ensure the work safety of gas insulated metal enclosed switch main part 1.
Working principle of examples 1 to 5: the device provides electric energy for all electric equipment through an external power supply, when in use, when the air pressure in the gas insulated metal closed switch main body 1 is reduced, the air pressure in the sealing sleeve 18 is smaller than the air pressure in the sealing cylinder 17, the air pressure in the sealing cylinder 17 presses the elastic sheet 19 upwards, the elastic sheet 19 pushes the touch switch 20 through the guide rod 21, the motor 4 is turned on, the motor 4 drives the eccentric wheel 9 to rotate, the eccentric shaft 10 drives the piston 11 to move up and down through the connecting rod 12, when the piston 11 moves downwards, the air at the bottom of the piston 11 is pressed into the top of the piston 11, when the piston 11 moves upwards, the external air is sucked into the bottom of the sleeve 3, the air at the top of the piston 11 is pressed into the connecting pipe 7, and the air is sent into the gas insulated metal closed switch main body 1 through the connecting pipe 7, so that the air can be automatically supplemented into the gas insulated metal closed switch main body, when the air pressure in the gas insulated metal-enclosed switch main body 1 is equal to the air pressure in the sealing cylinder 17, the elastic sheet 19 bulges outwards in the sealing sleeve 18, the touch switch 20 is disconnected through the guide rod 21, the gas insulated metal-enclosed switch main body 1 stops being inflated, when the temperature in the sealing cylinder 17 is reduced, the electric heating plate 22 is opened through the temperature control switch 23, the sealing cylinder 17 is heated through the electric heating plate 22, after the temperature is increased, the electric heating plate 22 is disconnected through the temperature control switch 23, the heating in the sealing cylinder 17 is stopped, the temperature in the sealing cylinder 17 can be effectively ensured to be constant, the air pressure in the sealing cylinder 17 is further kept constant, and the gas quantity at the inner side is kept constant because the sealing cylinder 17 is in a completely sealed state, the temperature also keeps invariable, thereby make the atmospheric pressure in the sealed section of thick bamboo 17 keep invariable, thereby can control the atmospheric pressure in the gas insulated metal-enclosed switch main part 1 and keep invariable, avoid receiving the temperature influence, guarantee the safe work of gas insulated metal-enclosed switch main part 1, when supplementing external air in to gas insulated metal-enclosed switch main part 1, at first utilize the moisture absorption board 15 to absorb the moisture in the air, guarantee the aridity of air, rethread filter screen 14 filters the impurity in the air, guarantee the purity of air, thereby avoid moisture and impurity etc. to enter into in the gas insulated metal-enclosed switch main part 1 effectively, avoid the insulating nature of moisture and impurity reduction air, guarantee the work safety of gas insulated metal-enclosed switch main part 1.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A gas insulated metal enclosed switchgear for high voltage electrical power characterized in that: including gas insulated metal-enclosed switch main part (1), support (2) are installed through the bolt to the bottom of gas insulated metal-enclosed switch main part (1), install sleeve (3) through the bolt on support (2), motor (4) are installed through the bolt to one side of sleeve (3), one side welding of sleeve (3) has overcoat (5), sealing door (6) are installed to one side of sleeve (3), the top welding of sleeve (3) has even pipe (7), the top welding of overcoat (5) has siphunculus (8), the inboard of sleeve (3) is provided with eccentric wheel (9), the welding has eccentric shaft (10) on eccentric wheel (9), the inboard card of sleeve (3) has piston (11), install connecting rod (12) on piston (11), the bottom of sleeve (3), All install check valve (13) on the inboard of connecting pipe (7) and piston (11), filter screen (14) are installed through the bolt in the bottom of sleeve (3), the bottom of filter screen (14) is provided with moisture absorption board (15), it has heat preservation (16) to bond on the inner wall of overcoat (5), it has sealed section of thick bamboo (17) to bond on the inner wall of heat preservation (16), the bottom welding of siphunculus (8) has seal cover (18), the bottom welding of seal cover (18) has shell fragment (19), install touch-press switch (20) through the bolt on the inner wall of seal cover (18), install electric plate (22) and temperature detect switch (23) through the bolt on the inner wall of sealed section of thick bamboo (17).
2. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: the touch switch (20) is connected with the motor (4) through an electric wire, and the temperature control switch (23) is connected with the electric heating plate (22) through an electric wire.
3. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: one side of the eccentric wheel (9) penetrates through the inner wall of the sleeve (3) and is welded on an output shaft of the motor (4), and the eccentric shaft (10) is welded on the outer side of the center of the eccentric wheel (9).
4. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: the sleeve (3) is communicated with the inside of the gas insulated metal closed switch main body (1) through a connecting pipe (7), and the gas flowing directions of the one-way valves (13) are upward.
5. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: the bottom of the touch switch (20) is provided with a guide rod (21), one end of the guide rod (21) is installed at the bottom of the touch switch (20) through a rotating shaft, and the other end of the guide rod (21) is installed at the top of the elastic sheet (19) through the rotating shaft.
6. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: one end of the connecting rod (12) is arranged at the bottom of the piston (11) through a rotating shaft, and the top of the connecting rod (12) is arranged on the eccentric shaft (10) through a rotating shaft.
7. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: the outer diameter of the piston (11) is equal to the inner diameter of the sleeve (3), and the filter screen (14) and the moisture absorption plate (15) are installed on the inner side of the sealing door (6).
8. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: the top setting of siphunculus (8) is at the top of overcoat (5), the bottom of siphunculus (8) passes overcoat (5), heat preservation (16) and sealed section of thick bamboo (17) in proper order and extends to the inboard of a sealed section of thick bamboo (17).
9. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: the sealing sleeve (18) is communicated with the gas-insulated metal closed switch main body (1) through a through pipe (8), and the air pressure of the inner side of the sealing cylinder (17) is equal to the standard air pressure of the inner side of the gas-insulated metal closed switch main body (1).
10. A gas-insulated metal-enclosed switchgear device for high-voltage electric power, according to claim 1, characterized in that: the moisture absorption plate (15) is a silica gel moisture absorption plate, a sealing strip is bonded on the outer side of the sealing door (6), and the sealing door (6) is clamped on the inner side of the sleeve (3) through the sealing strip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010992972.9A CN112152136B (en) | 2020-09-21 | 2020-09-21 | Gas-insulated metal-enclosed switchgear for high-voltage power |
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| CN202010992972.9A CN112152136B (en) | 2020-09-21 | 2020-09-21 | Gas-insulated metal-enclosed switchgear for high-voltage power |
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| CN112152136B CN112152136B (en) | 2023-01-20 |
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| Publication number | Publication date |
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| CN112152136B (en) | 2023-01-20 |
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