CN116799687A - Environment-friendly all-insulation ring network switch equipment - Google Patents
Environment-friendly all-insulation ring network switch equipment Download PDFInfo
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- CN116799687A CN116799687A CN202311072831.5A CN202311072831A CN116799687A CN 116799687 A CN116799687 A CN 116799687A CN 202311072831 A CN202311072831 A CN 202311072831A CN 116799687 A CN116799687 A CN 116799687A
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- Prior art keywords
- ring network
- gas
- air
- network switch
- assembly
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- 238000009413 insulation Methods 0.000 title abstract description 23
- 238000000605 extraction Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 144
- 238000001816 cooling Methods 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000000112 cooling gas Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002274 desiccant Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008033 biological extinction Effects 0.000 abstract description 10
- 238000005086 pumping Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000005431 greenhouse gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- H02B13/055—Features relating to the gas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The application discloses environment-friendly all-insulation ring network switch equipment, which relates to the technical field of ring network switch equipment, and comprises an insulation ring network switch cabinet body and an environment-friendly arc extinguishing component arranged in the insulation ring network switch cabinet body, wherein the interior of the insulation ring network switch cabinet body is divided into three parts by two groups of partition boards, a central controller positioned above the top partition board is arranged at the inner top of the insulation ring network switch cabinet body, the ring network switch component is arranged between the two groups of partition boards, and the environment-friendly arc extinguishing component also comprises a constant temperature tank; the application can extract, dry, cool and transmit the high temperature gas generated by the ring network switch assembly when the ring network switch assembly works, so that when the vacuum circuit breaker component is switched on and off, the vacuum arc generated by the ring network switch assembly is subjected to arc extinction operation, the safety is ensured, meanwhile, the gas subjected to arc extinction is the gas after extraction and drying, and compared with the traditional SF6, the dry gas can meet the requirements of arc extinction and is more environment-friendly.
Description
Technical Field
The application relates to the technical field of ring network switch equipment, in particular to environment-friendly all-insulation ring network switch equipment.
Background
At present, an SF6 gas insulation switch cabinet is gradually used as a reliable and economical medium-voltage switch cabinet and is widely accepted worldwide, high-voltage components such as a circuit breaker, a disconnecting switch, a grounding switch, a high-voltage bus and the like are sealed in a welding gas box body, and SF6 gas is filled as an insulation medium. SF6 gas is however a potential greenhouse gas.
The prior Chinese patent with the bulletin number of CN111064110B discloses a fully-insulated fully-closed inflatable ring network switch device, which comprises a side plate, wherein the side plate is arranged on the side part of a cabinet body, a supporting mechanism is arranged on the inner wall of the side plate, a sponge layer is arranged on the supporting mechanism, the sponge layer is opposite to the side wall of the cabinet body, a water tank is arranged below the supporting mechanism, the water tank is fixed on the inner wall of the side plate, an air vent is formed in the side plate, a fan assembly is arranged outside the air vent, a chute is formed in the inner wall of the side plate, the lower end of the supporting mechanism is hinged with the inner wall of the side plate, and the upper end of the supporting mechanism is slidably arranged in the chute; according to the application, not only is rainwater collected, but also heat dissipation of the cabinet body is realized through the sponge layer and the supporting mechanism.
The prior Chinese patent with the publication number of CN112003179B discloses gas all-insulation ring network switchgear, which comprises a ring network switchgear body, wherein a gas tank is arranged in the ring network switchgear body, a connecting fixing lug is arranged on the outer side wall of the ring network switchgear body, the gas tank is provided with a pressure gauge for monitoring gas pressure in real time, an inflation mechanism is arranged in the gas tank, the pressure gauge is connected with a central processing unit for controlling the opening and closing of the inflation mechanism, and when the gas tank air pressure monitored by the pressure gauge is lower than a set threshold value, the central processing unit controls the inflation mechanism to start and charges a certain amount of insulating gas into the gas tank; when the air pressure in the air box is smaller than the set threshold value, the central processing unit directly controls the starting of the air charging mechanism and charges a certain amount of insulating gas into the air box, so that the purposes of ensuring the sufficient insulating medium in the air box and the use safety of the ring network switch equipment body are achieved.
However, this ring network switching device has the following drawbacks when in specific use:
1. in order to avoid vacuum arc generated at the moment of breaking of a vacuum circuit breaker, the conventional ring network switch equipment is required to be provided with a corresponding arc-extinguishing and air-charging structure, and a common arc-extinguishing insulating medium is SF6, but SF6 gas is a potential greenhouse gas, so that the greenhouse effect is aggravated when the SF6 gas is discharged into the atmosphere, the environment is not protected enough, meanwhile, when the vacuum circuit breaker and other parts are maintained, the ring network switch equipment is required to be opened, and at the moment, SF6 gas in the ring network switch equipment is easy to be emitted into the air, so that special air-pumping equipment is required to be provided, and the cost is increased;
2. when the existing ring network switch equipment is in actual use, the operation of the internal equipment parts of the existing ring network switch equipment can generate high temperature, so that the existing ring network switch equipment needs to be subjected to heat dissipation treatment, heat dissipation is carried out through the collection of external rainwater at the moment, the existing ring network switch equipment is limited, when continuous high-temperature weather is met, the collected rainwater is easily evaporated, at the moment, when the existing ring network switch equipment needs to be cooled, the existing ring network switch equipment cannot be rapidly and effectively carried out, and potential safety hazards are easily promoted due to the fact that the existing ring network switch equipment cannot be cooled in time.
Disclosure of Invention
The application aims to provide an environment-friendly all-insulation ring network switch device so as to solve the problems in the background technology.
In order to achieve the aim of the application, the application adopts the following technical scheme:
the application provides an environment-friendly all-insulation ring network switch device, which comprises an insulation ring network switch cabinet body and an environment-friendly arc extinguishing component arranged in the insulation ring network switch cabinet body, wherein the interior of the insulation ring network switch cabinet body is divided into three parts by two groups of partition boards, a central controller positioned above a top partition board is arranged at the inner top of the insulation ring network switch cabinet body, the ring network switch component is arranged between the two groups of partition boards, and the environment-friendly arc extinguishing component further comprises:
the constant temperature tank is arranged at the inner bottom of the insulating ring network switch cabinet body, a cooling air storage tank is arranged on the side face of the constant temperature tank, the constant temperature tank and the cooling air storage tank are both arranged at the inner side of a positioning component, and the positioning component is arranged at one side of the inner bottom of the insulating ring network switch cabinet body;
the air extraction assembly is connected with a group of air inlets of the constant-temperature tank and extends to the side face of the ring network switch assembly, the air extraction assembly penetrates through a partition plate arranged at the bottom, and an air extraction fan is arranged on the side face of the air extraction assembly;
the control conveying assembly is arranged at the air outlets of the constant-temperature tank and the cooling air storage tank, the control conveying assembly is arranged at the bottom of the partition board through a connecting rod, the control conveying assembly is connected with the air inlet of the circulating pump, and the circulating pump is arranged at the other side of the inner bottom of the insulating ring network switch cabinet body;
the air-jet arc-extinguishing assembly is connected with the air outlet of the circulating pump, the partition plate extending to the side surface of the ring network switch assembly and penetrating through the bottom is arranged, the air-jet arc-extinguishing assembly and the air-extracting assembly are symmetrically arranged relative to the center of the partition plate, and an exhaust fan is arranged on the side surface of the air-jet arc-extinguishing assembly;
and a sealing door plate is hinged to the inner side between the two groups of the partition plates.
As a preferred embodiment of the present application, the ring network switch assembly includes:
the vacuum circuit breaker component is arranged in the insulating ring network switch cabinet body through mounting frame bodies on the left side and the right side, and the mounting frame bodies are arranged on the inner wall of the insulating ring network switch cabinet body through bolts;
the bus connecting pieces are arranged at the top of the vacuum circuit breaker component and are provided with three groups at equal intervals in an array, and the top of each bus connecting piece is connected with a main bus;
the lower wiring terminals are arranged at the bottom of the vacuum circuit breaker component and are provided with three groups at equal intervals in an array, the lower wiring terminals are connected with the sensor through first wires, and a wiring port in the central part of each first wire is also connected with a second wire;
one group of terminals of the second lead are connected with the lightning arrester, and the other group of terminals of the second lead are connected with overload protection equipment;
wherein, arrester and overload protection equipment all install at the top of baffle.
As a preferable scheme of the application, the bus connecting piece, the lower wiring end, the sensor and the lightning arrester are in one-to-one correspondence, and the lightning arrester is positioned on the back of the overload protection device;
the sensor is installed in the sleeve, and the sleeve is detachably installed on the back of the insulating ring network switch cabinet body.
As a preferable scheme of the application, a gas desiccant capable of drying gas is arranged in the constant temperature tank, the constant temperature tank and the cooling air storage tank are consistent in size, and cooling gas is stored in the cooling air storage tank;
wherein, a set of air inlet of constant temperature jar installs first aspiration pump, first aspiration pump is connected with the outside of bleed pipeline.
As a preferable scheme of the application, the positioning component comprises a sliding rail which is arranged and fixed at the inner bottom of the insulating ring network switch cabinet body, and a sliding groove is formed in the sliding rail; the sliding part is connected to the inner side of the sliding groove in a sliding way, and the sliding part is used for installing and positioning the constant-temperature tank and the cooling air storage tank on the inner side of the sliding part;
wherein, the contact surface of sliding part and spout is provided with rubber.
As a preferable scheme of the application, the air extraction assembly comprises:
the first gas pipeline is connected with a group of gas inlets of the constant temperature tank through the second air pump, penetrates through the partition plate and extends to the inside of the gas collecting plate;
the gas collecting plate is provided with two groups which are all arranged on the inner wall of the insulating ring network switch cabinet body, one group of the gas collecting plate is positioned on the side surface of the bus connecting piece, the other group of the gas collecting plate is positioned on the side surface of the lower wiring end and the lightning arrester, and one side of the gas collecting plate is provided with an air extraction fan;
a connecting duct in communication with the first gas duct, the connecting duct being mounted inside the gas collecting plate, the side of the connecting duct being connected with a suction nozzle;
the filter screen is arranged on the inner wall of the gas collecting plate and positioned on the side face of the air extraction fan.
As a preferred embodiment of the present application, one group of the gas collecting plates is connected to another group of gas collecting plates through a second gas pipe;
the diameter of the filter screen is smaller than that of the air extraction fan, and a certain gap is reserved between the filter screen and the air extraction fan.
As a preferred aspect of the present application, the control delivery assembly includes:
the third air pump is provided with two groups and is respectively arranged at the air outlets of the constant temperature tank and the cooling air storage tank, the air outlet of the third air pump is connected with a transmission pipeline, and a control valve is arranged at the outer side of the transmission pipeline;
the central gas plate is communicated with the two groups of transmission pipelines, and is arranged at the bottom of the partition plate through a connecting rod, and the gas outlet of the central gas plate is connected with a gas exhaust pipeline;
wherein the exhaust pipe is connected with an air inlet of the circulating pump.
As a preferable mode of the application, the control valve is arranged on the side face of the central gas plate through a connecting frame on the outer side of the control valve, and the inside of the central gas plate is provided with a hollow;
wherein, the inside of central gas board is provided with the active carbon filter layer of filtration impurity.
As a preferable scheme of the application, the air-jet arc extinguishing assembly comprises a first gas pipeline, a gas collecting plate, a connecting pipeline, an air suction nozzle, a filter screen and a second gas pipeline, wherein an exhaust fan is arranged on the side surface of the gas collecting plate;
wherein, first gas pipeline is connected with the gas outlet of circulating pump.
Compared with the prior art, the above technical scheme has the following beneficial effects:
1. this environmental protection type all-insulated looped network switchgear, through the setting of bleed subassembly, control conveying subassembly and jet arc extinguishing subassembly, can carry out extraction, drying and arc extinguishing transmission to the high temperature gas that it produced when looped network switchgear carries out work, make when vacuum circuit breaker part switch, carry out the arc extinguishing operation to the vacuum electric arc that it produced, guarantee the security, the gas that should carry out the arc extinguishing simultaneously is the gas after extracting the drying, for traditional SF6, this dry gas can satisfy the arc extinguishing while more environmental protection, avoid because of the greenhouse effect that SF6 produced, simultaneously can be when maintaining or scrapping this insulated looped network switchgear, need not to adopt extra equipment to extract SF6, the cost is reduced;
2. in order to match the work of the ring network switch assembly and the progress of arc extinguishing operation, the environment-friendly all-insulated ring network switch equipment can cool and dry arc extinguishing gas through the cooling air storage tank and the control conveying assembly while the arc extinguishing operation is carried out, so that the operation of arc extinguishing and cooling down the ring network switch assembly in an operation state can be synchronously or step by step carried out, the probability of damage to internal elements of the ring network switch assembly due to long-time high-temperature operation is reduced, the service life of the ring network switch assembly is prolonged, the safety and the practicability are improved, and the operation can be carried out in any air state;
3. this environment-friendly all-insulated looped netowrk switchgear, in order to promote the effect of carrying out arc extinction and cooling heat dissipation to above-mentioned looped netowrk switch module, should draw and exhaust gas's pumping subassembly and jet arc extinction subassembly be located the side that the vacuum arc takes place most easily and produce high-temperature busbar connection spare, lower wiring end and arrester, the electric arc and the high-temperature gas that the most direct quick mode of accessible goes on arc extinction and extraction (be close to the setting) to the electric arc that produces, and can directly carry out the heat dissipation cooling to the part that the high temperature produced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
FIG. 1 is a schematic cross-sectional view of the present application;
FIG. 2 is a schematic diagram of the structure of the insulated ring network switch cabinet in the open state of the application;
FIG. 3 is a schematic diagram of the connection of the ring network switch assembly and the environment-friendly arc extinguishing assembly;
FIG. 4 is a schematic diagram of a ring network switch assembly of the present application;
FIG. 5 is a schematic diagram of a portion of a ring network switch assembly of the present application;
fig. 6 is a schematic structural view of the environment-friendly arc extinguishing assembly of the present application;
FIG. 7 is a schematic view of the connection of the thermostatic tank and the pumping assembly of the present application;
FIG. 8 is a schematic view of a portion of the pumping assembly of the present application;
FIG. 9 is a schematic view of the structure of the inside of the gas panel member of the present application;
FIG. 10 is a schematic view of the connection of the thermostatic tank and the circulation pump of the present application;
FIG. 11 is a schematic diagram of the structure of the insulated ring network switch cabinet in the sealed state of the application;
in the figure:
10. an insulating ring network switch cabinet body;
20. an environment-friendly arc extinguishing assembly;
30. a partition plate;
40. a central controller;
50. a ring network switch assembly;
501. a vacuum circuit breaker component; 502. a mounting frame body; 503. a busbar connection; 504. a main bus; 505. a lower terminal; 506. a first wire;
507. a sensor; 507i, sleeve;
508. a second wire; 509. a lightning arrester; 5010. overload protection equipment;
60. a constant temperature tank; 60i, cooling air storage tanks;
601. a first air pump; 602. an air extraction pipeline;
70. a positioning assembly;
701. a slide rail; 702. a chute; 703. a sliding member;
80. an air extraction assembly; 80i, an air extraction fan;
801. a first gas conduit; 802. a second air pump; 803. a gas collecting plate; 804. a connecting pipe; 805. a suction nozzle; 806. a filter screen; 807. a second gas conduit;
90. controlling the conveying assembly; 90i, a circulating pump;
901. a third air pump; 902. a transmission pipeline;
903. a control valve; 903i, a connector;
904. a central gas panel; 905. an exhaust duct;
100. an air injection arc extinguishing assembly; 100i, an exhaust fan;
110. sealing the door panel.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
Referring to fig. 1-11, an environment-friendly all-insulated ring network switch device comprises an insulated ring network switch cabinet body 10 and an environment-friendly arc extinguishing assembly 20 arranged in the insulated ring network switch cabinet body 10, wherein the interior of the insulated ring network switch cabinet body 10 is divided into three parts by two groups of partition boards 30, a central controller 40 positioned above the top partition boards 30 is arranged at the inner top of the insulated ring network switch cabinet body 10, a ring network switch assembly 50 is arranged between the two groups of partition boards 30, the environment-friendly arc extinguishing assembly 20 further comprises a constant temperature tank 60 which is arranged at the inner bottom of the insulated ring network switch cabinet body 10, a cooling air storage tank 60i is arranged on the side surface of the constant temperature tank 60, the constant temperature tank 60 and the cooling air storage tank 60i are both arranged at the inner side of a positioning assembly 70, and the positioning assembly 70 is arranged at one side of the inner bottom of the insulated ring network switch cabinet body 10; the air extraction assembly 80 is connected with a group of air inlets of the constant temperature tank 60 and extends to the side surface of the ring network switch assembly 50, the air extraction assembly 80 penetrates through the partition plate 30 positioned at the bottom, and an air extraction fan 80i is arranged on the side surface of the air extraction assembly 80; the control conveying assembly 90 is arranged at the air outlets of the constant temperature tank 60 and the cooling air storage tank 60i, the control conveying assembly 90 is arranged at the bottom of the partition board 30 through a connecting rod, the control conveying assembly 90 is connected with the air inlet of the circulating pump 90i, and the circulating pump 90i is arranged at the other side of the inner bottom of the insulating ring network switch cabinet 10; the air-jet arc-extinguishing assembly 100 is connected with an air outlet of the circulating pump 90i, extends to the side surface of the ring network switch assembly 50 and penetrates through the partition board 30 at the bottom, the air-jet arc-extinguishing assembly 100 and the air-extracting assembly 80 are symmetrically arranged relative to the center of the partition board 30, and an exhaust fan 100i is arranged on the side surface of the air-jet arc-extinguishing assembly 100; a sealing door panel 110 is hinged to the inner side between the two sets of partition plates 30.
The working principle is as follows: during operation, normal power transmission and distribution can be completed through the ring network switch assembly 50, and during actual power transmission and distribution, high-temperature gas generated in the ring network switch assembly can be absorbed through the air extraction assembly 80 and is transmitted to the inside of the constant temperature tank 60 for drying, and during extraction, the dried gas can be cooled through the cooling air storage tank 60i and the control conveying assembly 90 and is moved to the circulating pump 90i through the control conveying assembly 90, and then the cooled and dried gas is moved to the side surface of the ring network switch assembly 50 again through the air injection arc extinguishing assembly 100 connected with the circulating pump 90i, and arc extinguishing operation on the ring network switch assembly 50 is completed through the dry gas; the pollution is avoided, SF6 can be replaced, and the greenhouse effect is avoided; the gas recovery device is convenient to use, gas recovery is not needed in subsequent maintenance or scrapping, and cost is reduced.
Referring specifically to fig. 1, 2, 3, 4 and 5, in order to transmit and control power, the ring network switch assembly 50 includes a vacuum circuit breaker part 501 installed inside the insulating ring network switch cabinet 10 through mounting frame bodies 502 on the left and right sides, and the mounting frame bodies 502 are installed on the inner wall of the insulating ring network switch cabinet 10 through bolts; a busbar connector 503, which is mounted on the top of the vacuum circuit breaker component 501 and is provided with three groups at equal intervals in an array, and the top of the busbar connector 503 is connected with a main busbar 504; a lower terminal 505 provided at the bottom of the vacuum circuit breaker section 501 and provided with three groups at equal intervals in an array, the lower terminal 505 being connected to the sensor 507 through a first wire 506, a second wire 508 being further connected to a wire connection port of a central portion of the first wire 506; one set of terminals of the second wire 508 is connected to the lightning arrester 509, and the other set of terminals of the second wire 508 is connected to the overload protection device 5010; wherein the lightning arrester 509 and the overload protection device 5010 are both mounted on top of the partition 30; the bus connector 503, the lower wiring terminal 505, the sensor 507 are in one-to-one correspondence with the lightning arresters 509, and the lightning arresters 509 are positioned on the back of the overload protection device 5010; the sensor 507 is installed in the inside of sleeve 507i, and sleeve 507i detachable installs the back at insulating looped netowrk cubical switchboard body 10.
In the environment-friendly all-insulated ring network switch equipment, when power is transmitted, whether the power is disconnected or not can be controlled by the vacuum circuit breaker component 501, wherein a main bus 504 connected with the vacuum circuit breaker component 501 through a bus connector 503 can be connected with an external circuit, and a sensor 507 connected with the bottom of the vacuum circuit breaker component 501 through a lower wiring terminal 505 and a first lead 506 can detect the temperature during operation and transmit the temperature into the central controller 40; a lightning arrester 509 connected to the bottom of the vacuum circuit breaker component 501 via a lower terminal 505 and a first wire 506, for lightning protection of the vacuum circuit breaker component 501; the overload protection device 5010, which is connected to the bottom of the vacuum interrupter unit 501 through the lower terminal 505 and the first wire 506, can overload-protect the vacuum interrupter unit 501.
Referring specifically to fig. 1, 3, 6, 7 and 10, in order to dry and cool the high temperature, a gas desiccant capable of drying gas is provided in the thermostatic tank 60, the thermostatic tank 60 and the cooling gas storage tank 60i have the same size, and the cooling gas is stored in the cooling gas storage tank 60 i; wherein, first aspiration pump 601 is installed to one of them a set of air inlet of constant temperature jar 60, and first aspiration pump 601 is connected with bleed line 602, and bleed line 602 extends to the outside gas drier of insulating looped netowrk cubical switchboard body 10 and goes on.
According to the environment-friendly all-insulation ring network switch equipment, the extracted gas can be stored and moved into the constant temperature tank 60 and is dried through the gas drying agent in the constant temperature tank 60, meanwhile, the first air pump 601 can extract external gas and move and store the extracted gas into the constant temperature tank 60 to be dried, the follow-up arc extinction is guaranteed not to simply rely on the extraction of the gas in the insulation ring network switch cabinet 10, meanwhile, when arc extinction is actually carried out, the cooling gas stored by the cooling gas storage tank 60i can be transmitted into the insulation ring network switch cabinet 10 together, and the cooling is carried out while arc extinction is carried out, so that the damage of internal parts of the ring network switch assembly 50 caused by high temperature is avoided.
Referring specifically to fig. 1, 3, 6, 7 and 10, in order to position and adjust the constant temperature tank 60 and the cooling air storage tank 60i, the positioning assembly 70 includes a sliding rail 701, which is mounted and fixed on the inner bottom of the insulating ring main unit 10, and a sliding slot 702 is formed in the sliding rail 701; a sliding member 703 slidably connected to the inside of the chute 702, the sliding member 703 attaching and positioning the constant temperature tank 60 and the cooling air tank 60i inside thereof; wherein, the contact surface of the sliding part 703 and the chute 702 is provided with rubber.
According to the environment-friendly all-insulation ring network switch equipment, when the constant temperature tank 60 and the cooling air storage tank 60i are installed, the constant temperature tank 60 and the cooling air storage tank 60i are respectively pressed to the inner side of the sliding part 703, the installation and positioning of the constant temperature tank 60 and the cooling air storage tank is completed through rubber arranged on the side surface of the sliding part 703, meanwhile, the constant temperature tank 60 and the cooling air storage tank 60i after the installation and positioning can slide on the inner side of the sliding rail 701 through the sliding part 703, the positions of the constant temperature tank 60 and the cooling air storage tank 60i can be adjusted according to requirements, and the subsequent use is convenient.
Referring specifically to fig. 1, 3, 6, 7, 8 and 9, in order to extract the high temperature gas, the pumping assembly 80 includes a first gas pipe 801 connected to a set of gas inlets of the thermostatic tank 60 through a second pumping pump 802, and the first gas pipe 801 penetrates through the partition 30 and extends into the gas collecting plate 803; wherein, the gas collecting plate 803 is provided with two groups which are all installed on the inner wall of the insulating ring network switch cabinet body 10, one group of gas collecting plate 803 is positioned on the side surface of the bus bar connecting piece 503, the other group of gas collecting plate 803 is positioned on the side surface of the lower wiring terminal 505 and the lightning arrester 509, and one side of the gas collecting plate 803 is provided with the air extraction fan 80i; a connecting pipe 804 connected to the first gas pipe 801, the connecting pipe 804 being installed inside the gas collecting plate 803, the side surface of the connecting pipe 804 being connected to a suction nozzle 805; a screen 806 installed on the inner wall of the gas collecting plate 803 and located at the side of the suction fan 80i, one group of gas collecting plates 803 being connected to the other group of gas collecting plates 803 through a second gas duct 807; wherein, the diameter of the filter screen 806 is smaller than that of the air extraction fan 80i, and a certain gap is left between the filter screen 806 and the air extraction fan 80 i.
The environment-friendly all-insulated ring network switch equipment of the application can generate high temperature when the ring network switch assembly 50 operates, and can generate power to absorb gas at the moment through the operation of the second air pump 802, and simultaneously, the air extraction fan 80i is started to extract the gas in the insulated ring network switch cabinet 10, and the air is moved to the inside of the gas collecting plate 803 through the filter screen 806, and the initially filtered gas can be extracted through the connecting pipeline 804 and the air extraction nozzle 805 and is moved to the inside of the constant temperature tank 60 through the suction force of the second air pump 802.
In this embodiment, a second set of second pumps 802 (labeled in the figure) for pumping gas is disposed outside the second gas pipe 807, so as to pump the high-temperature gas generated on the side of the busbar connection member 503.
Referring specifically to fig. 1, 3, 6 and 10, in order to introduce the dried and cooled gas into the circulation pump 90i, the control and delivery assembly 90 includes a third air pump 901, which is provided with two groups and is respectively installed at the air outlets of the thermostatic tank 60 and the cooling air storage tank 60i, the air outlet of the third air pump 901 is connected with a transmission pipe 902, and a control valve 903 is installed at the outer side of the transmission pipe 902; a central gas plate 904 in communication with the two sets of transfer pipes 902, the central gas plate 904 being mounted at the bottom of the partition plate 30 by a connecting rod, the gas outlet of the central gas plate 904 being connected with a gas exhaust pipe 905; wherein the exhaust duct 905 is connected to the intake port of the circulation pump 90 i.
According to the environment-friendly all-insulation ring network switch equipment, the dried gas and the cooling gas can be moved into the central gas plate 904 through the third air pump 901, the dried gas and the cooling gas are mixed in the central gas plate 904, then enter the circulating pump 90i through the exhaust pipeline 905 and are conveyed and arc-extinguished through the circulating pump 90i, wherein the dried gas and the cooling gas can be conveyed independently through the control valve 903, and the independent arc-extinguishing and cooling operation is met.
Referring specifically to fig. 1, 3, 6 and 10, in order to perform secondary filtration for arc extinction and cooling, the control valve 903 is mounted on the side of the central gas plate 904 through a connection frame 903i on the outer side thereof, and the inside of the central gas plate 904 is provided with a hollow; wherein an activated carbon filter layer for filtering impurities is provided inside the central gas panel 904.
Referring specifically to fig. 1, 3 and 6, in order to cool and arc-extinguishing the operating ring network switch assembly 50, the jet arc-extinguishing assembly 100 includes a first gas pipe 801, a gas collecting plate 803, a connecting pipe 804, a suction nozzle 805, a filter screen 806 and a second gas pipe 807, and an exhaust fan 100i is mounted on a side of the gas collecting plate 803; wherein the first gas conduit 801 is connected to a gas outlet of the circulation pump 90 i.
According to the environment-friendly all-insulation ring network switch equipment, through the design of the gas collecting plate 803, the movable transmitted cooling and arc-extinguishing gas can be moved to the side surfaces of the corresponding bus connecting piece 503 and the corresponding lightning arrester 509, the cooling and arc-extinguishing operation is carried out on the connecting position of the bus connecting piece 503 and the corresponding lightning arrester 509, the safety is improved, meanwhile, the gas adopted in the cooling and arc-extinguishing operation is the dried and cooled gas, and the pollution to the environment is reduced while the safety is improved.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (10)
1. The utility model provides an environment-friendly all-insulated looped netowrk switchgear, includes insulating looped netowrk switch cabinet body (10) and sets up at its inside environmental protection arc extinguishing subassembly (20), the inside of insulating looped netowrk switch cabinet body (10) is divided into three part through two sets of baffles (30), central controller (40) that are located top baffle (30) top are installed at the interior top of insulating looped netowrk switch cabinet body (10), two sets of be provided with looped netowrk switch subassembly (50), its characterized in that between baffle (30): the environment-friendly arc extinguishing assembly (20) further comprises:
the constant temperature tank (60) is arranged at the inner bottom of the insulating ring network switch cabinet body (10), a cooling air storage tank (60 i) is arranged on the side surface of the constant temperature tank (60), the constant temperature tank (60) and the cooling air storage tank (60 i) are both arranged at the inner side of a positioning assembly (70), and the positioning assembly (70) is arranged at one side of the inner bottom of the insulating ring network switch cabinet body (10);
the air extraction assembly (80) is connected with a group of air inlets of the constant-temperature tank (60) and extends to the side face of the ring network switch assembly (50), the air extraction assembly (80) penetrates through the partition plate (30) at the bottom, and an air extraction fan (80 i) is arranged on the side face of the air extraction assembly (80);
the control conveying assembly (90) is arranged at the air outlets of the constant-temperature tank (60) and the cooling air storage tank (60 i), the control conveying assembly (90) is arranged at the bottom of the partition board (30) through a connecting rod, the control conveying assembly (90) is connected with the air inlet of the circulating pump (90 i), and the circulating pump (90 i) is arranged at the other side of the inner bottom of the insulating ring network switch cabinet body (10);
the air-jet arc-extinguishing assembly (100) is connected with an air outlet of the circulating pump (90 i), a partition plate (30) extending to the side face of the ring network switch assembly (50) and penetrating through the bottom is arranged, the air-jet arc-extinguishing assembly (100) and the air-extracting assembly (80) are symmetrically arranged relative to the center of the partition plate (30), and an exhaust fan (100 i) is arranged on the side face of the air-jet arc-extinguishing assembly (100);
a sealing door plate (110) is hinged on the inner side between the two groups of the partition plates (30).
2. An environmentally friendly fully insulated ring network switching device as claimed in claim 1, wherein: the looped network switch assembly (50) comprises:
the vacuum circuit breaker component (501) is arranged in the insulating ring network switch cabinet body (10) through mounting frame bodies (502) on the left side and the right side, and the mounting frame bodies (502) are arranged on the inner wall of the insulating ring network switch cabinet body (10) through bolts;
a busbar connector (503) mounted on the top of the vacuum circuit breaker component (501) and provided with three groups at equal intervals in an array, wherein the top of the busbar connector (503) is connected with a main busbar (504);
the lower wiring terminals (505) are arranged at the bottom of the vacuum circuit breaker component (501) and are equidistantly provided with three groups in an array, the lower wiring terminals (505) are connected with the sensor (507) through first wires (506), and a wiring port in the central part of the first wires (506) is also connected with second wires (508);
one group of terminals of the second lead (508) is connected with the lightning arrester (509), and the other group of terminals of the second lead (508) is connected with overload protection equipment (5010);
wherein the lightning arrester (509) and the overload protection device (5010) are both mounted on top of the partition (30).
3. An environmentally friendly fully insulated ring network switching device as claimed in claim 2, wherein: the bus connector (503), the lower wiring terminal (505) and the sensor (507) are in one-to-one correspondence with the lightning arresters (509), and the lightning arresters (509) are positioned on the back of the overload protection device (5010);
the sensor (507) is arranged in the sleeve (507 i), and the sleeve (507 i) is detachably arranged on the back surface of the insulating ring network switch cabinet body (10).
4. An environmentally friendly fully insulated ring network switching device as claimed in claim 1, wherein: the inside of the constant temperature tank (60) is provided with a gas desiccant capable of drying gas, the constant temperature tank (60) and the cooling air storage tank (60 i) are consistent in size, and the cooling air storage tank (60 i) stores cooling gas;
the constant temperature tank is characterized in that a first air pump (601) is installed at one group of air inlets of the constant temperature tank (60), the first air pump (601) is connected with an air exhaust pipeline (602), and the air exhaust pipeline (602) extends to the outer side of the insulating ring network switch cabinet body (10).
5. An environmentally friendly fully insulated ring network switching device as claimed in claim 1, wherein: the positioning assembly (70) comprises a sliding rail (701), the sliding rail is installed and fixed at the inner bottom of the insulating ring network switch cabinet body (10), and a sliding groove (702) is formed in the sliding rail (701); a sliding member (703) slidably connected to the inside of the chute (702), the sliding member (703) mounting and positioning the thermostatic tank (60) and the cooling air tank (60 i) inside thereof;
wherein rubber is arranged on the contact surface of the sliding part (703) and the sliding groove (702).
6. An environmentally friendly fully insulated ring network switching device as claimed in claim 2, wherein: the air extraction assembly (80) comprises:
a first gas pipe (801) connected to a set of gas inlets of the thermostatic tank (60) by a second gas pump (802), the first gas pipe (801) being disposed through the partition (30) and extending into the interior of the gas collecting plate (803);
the gas collecting plate (803) is provided with two groups which are all arranged on the inner wall of the insulating ring network switch cabinet body (10), one group of the gas collecting plate (803) is positioned on the side face of the bus connecting piece (503), the other group of the gas collecting plate (803) is positioned on the side face of the lower wiring end (505) and the lightning arrester (509), and one side of the gas collecting plate (803) is provided with the air extraction fan (80 i);
the connecting pipeline (804) is communicated with the first gas pipeline (801), the connecting pipeline (804) is arranged in the gas collecting plate (803), and the side surface of the connecting pipeline (804) is connected with a suction nozzle (805);
and a screen (806) which is installed on the inner wall of the gas collecting plate (803) and is positioned on the side surface of the air extraction fan (80 i).
7. An environmentally friendly all-insulated ring network switching device as claimed in claim 6, wherein: one set of gas collecting plates (803) is connected to another set of gas collecting plates (803) by a second gas duct (807);
the diameter of the filter screen (806) is smaller than that of the air extraction fan (80 i), and a certain gap is reserved between the filter screen (806) and the air extraction fan (80 i).
8. An environmentally friendly fully insulated ring network switching device as claimed in claim 1, wherein: the control conveying assembly (90) comprises:
the third air pump (901) is provided with two groups and is respectively arranged at the air outlets of the constant temperature tank (60) and the cooling air storage tank (60 i), the air outlet of the third air pump (901) is connected with a transmission pipeline (902), and a control valve (903) is arranged at the outer side of the transmission pipeline (902);
a central gas plate (904) which is communicated with the two groups of transmission pipelines (902), wherein the central gas plate (904) is arranged at the bottom of the partition plate (30) through a connecting rod, and an air outlet of the central gas plate (904) is connected with an air exhaust pipeline (905);
wherein the exhaust pipe (905) is connected to an air inlet of the circulation pump (90 i).
9. An environmentally friendly all-insulated ring network switching device as claimed in claim 8, wherein: the control valve (903) is arranged on the side surface of the central gas plate (904) through a connecting frame (903 i) on the outer side of the control valve, and the inside of the central gas plate (904) is provided with a hollow;
wherein, the inside of the central gas plate (904) is provided with an activated carbon filter layer for filtering impurities.
10. An environmentally friendly all-insulated ring network switching device as claimed in claim 6, wherein: the inside of the jet arc extinguishing assembly (100) comprises a first gas pipeline (801), a gas collecting plate (803), a connecting pipeline (804), an air suction nozzle (805), a filter screen (806) and a second gas pipeline (807), and an exhaust fan (100 i) is arranged on the side surface of the gas collecting plate (803);
wherein the first gas pipeline (801) is connected with a gas outlet of the circulating pump (90 i).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311072831.5A CN116799687B (en) | 2023-08-24 | 2023-08-24 | Environment-friendly all-insulation ring network switch equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311072831.5A CN116799687B (en) | 2023-08-24 | 2023-08-24 | Environment-friendly all-insulation ring network switch equipment |
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| Publication Number | Publication Date |
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| CN116799687A true CN116799687A (en) | 2023-09-22 |
| CN116799687B CN116799687B (en) | 2023-10-27 |
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| CN202311072831.5A Active CN116799687B (en) | 2023-08-24 | 2023-08-24 | Environment-friendly all-insulation ring network switch equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545141A (en) * | 2013-09-24 | 2014-01-29 | 池州市华强高低压电器成套设备有限公司 | Arc extinction method of high voltage switchgears |
| CN207504439U (en) * | 2017-11-28 | 2018-06-15 | 深圳市富进电力设备有限公司 | A kind of totally-enclosed inflatable metal switch apparatus of all insulation |
| CN111917013A (en) * | 2020-07-13 | 2020-11-10 | 吕纪兴 | Box-type substation capable of automatically controlling temperature and humidity |
| CN211907999U (en) * | 2020-03-30 | 2020-11-10 | 南京鼎竹电力设备工程有限公司 | Insulating medium-voltage ring network switch cabinet |
| US20220334184A1 (en) * | 2019-09-04 | 2022-10-20 | Shanghai Roye Electric Co., Ltd. | Field detection device, system and method for achieving no maintenance of gas density relay |
-
2023
- 2023-08-24 CN CN202311072831.5A patent/CN116799687B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545141A (en) * | 2013-09-24 | 2014-01-29 | 池州市华强高低压电器成套设备有限公司 | Arc extinction method of high voltage switchgears |
| CN207504439U (en) * | 2017-11-28 | 2018-06-15 | 深圳市富进电力设备有限公司 | A kind of totally-enclosed inflatable metal switch apparatus of all insulation |
| US20220334184A1 (en) * | 2019-09-04 | 2022-10-20 | Shanghai Roye Electric Co., Ltd. | Field detection device, system and method for achieving no maintenance of gas density relay |
| CN211907999U (en) * | 2020-03-30 | 2020-11-10 | 南京鼎竹电力设备工程有限公司 | Insulating medium-voltage ring network switch cabinet |
| CN111917013A (en) * | 2020-07-13 | 2020-11-10 | 吕纪兴 | Box-type substation capable of automatically controlling temperature and humidity |
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| Publication number | Publication date |
|---|---|
| CN116799687B (en) | 2023-10-27 |
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