CN112003179A - Gaseous all insulation looped netowrk switchgear - Google Patents

Gaseous all insulation looped netowrk switchgear Download PDF

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Publication number
CN112003179A
CN112003179A CN202010704490.9A CN202010704490A CN112003179A CN 112003179 A CN112003179 A CN 112003179A CN 202010704490 A CN202010704490 A CN 202010704490A CN 112003179 A CN112003179 A CN 112003179A
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CN
China
Prior art keywords
gas
lifting
ring network
gas tank
scale
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Granted
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CN202010704490.9A
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Chinese (zh)
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CN112003179B (en
Inventor
单智敏
卓土敏
罗永波
李江
蒋照富
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Ningbo Gongsheng Electric Technology Co Ltd
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Ningbo Gongsheng Electric Technology Co Ltd
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Priority to CN202010704490.9A priority Critical patent/CN112003179B/en
Publication of CN112003179A publication Critical patent/CN112003179A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/055Features relating to the gas
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/065Means for detecting or reacting to mechanical or electrical defects
    • H02B13/0655Means for detecting or reacting to mechanical or electrical defects through monitoring changes of gas properties

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention discloses a gas all-insulation ring network switch device, which relates to the technical field of ring network switch devices, and adopts the technical scheme that the gas all-insulation ring network switch device comprises a ring network switch device body, wherein a gas tank is arranged in the ring network switch device body, a connecting and fixing lug is arranged on the outer side wall of the ring network switch device body, the gas tank is provided with a pressure gauge for monitoring the 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 inflation mechanism to be opened and closed, and when the gas pressure of the gas tank monitored by the pressure gauge is lower than a set threshold value, the central processing unit controls the inflation mechanism to be started and fills quantitative insulation gas into the. When the air pressure in the air box is smaller than a set threshold value, the central processing unit directly controls the inflation mechanism to start and fills a fixed amount of insulating gas into the air box, so that the purposes of ensuring the sufficiency of the insulating medium in the air box and the use safety of the looped network switch equipment body are achieved.

Description

Gaseous all insulation looped netowrk switchgear
Technical Field
The invention relates to the technical field of ring network switch equipment, in particular to gas all-insulation ring network switch equipment.
Background
The gas-insulated switchgear with a metal housing is mainly of model RM6, HXGT6, Safering, etc. The switch, the bus and the supporting insulating part of the device are arranged in a totally-enclosed metal shell, sulfur hexafluoride gas is filled in the metal shell to be used as an arc extinguishing and insulating medium, and the metal shell is connected with an external cable through a sealing sleeve. Therefore, the gas insulated ring network switch device is widely applied to distribution stations and box-type substations of load centers such as urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like by virtue of the advantages of simple structure, small volume, low cost, power supply safety and the like.
Chinese patent with publication number CN207559419U discloses a gas insulation looped network switchgear, which includes a cable box, a gas box, an operation box, a switch assembly and a switch control assembly, wherein the gas box is installed at the top of the rear side of the cable box, the operation box is installed at the top of the front side of the cable box, the front side of the gas box is in butt joint with the rear side of the operation box, the switch assembly is installed in the gas box, the switch control assembly is installed in the operation box, and the switch assembly has a switch main shaft which penetrates out of the switch control assembly and is connected with the switch control assembly.
However, the gas insulation looped network switch equipment is simple in structure, cannot directly monitor the insulation medium in the gas chamber, and further influences the use safety of the switch equipment when the insulation medium in the gas chamber leaks and is insufficient, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a gas all-insulated looped network switch device which has the effect of safe and convenient use.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a gaseous all insulation looped netowrk switchgear, includes looped netowrk switchgear body, this internal gas tank that is provided with of looped netowrk switchgear, and be provided with on the lateral wall of looped netowrk switchgear body and connect fixed ear, the gas tank is provided with the pressure gauge that is used for real-time supervision gas pressure, be provided with in the gas tank and aerify the mechanism, the pressure gauge is connected with and is used for control aerify the central processing unit that the mechanism opened and close, and work as the pressure gauge monitoring gas tank atmospheric pressure is less than when setting for the threshold value, central processing unit control aerify the mechanism start-up and to fill into quantitative insulating gas in the gas.
By adopting the technical scheme, when the air pressure in the air box is smaller than the set threshold value, the central processing unit directly controls the inflating mechanism to start and fill a fixed amount of insulating gas into the air box, so that the purposes of ensuring the sufficiency of insulating media in the air box and the use safety of the looped network switch equipment body are achieved.
The invention is further configured to: aerify mechanism includes lifting scale, drive lifting scale is the elastic support body of the rising motion along vertical direction and is used for the drive lifting scale is the return unit of the falling motion along vertical direction, the bottom of elastic support body is provided with control switch, and works as the pressure gauge monitoring when gas tank atmospheric pressure is less than the settlement threshold value, central processing unit control the return unit starts, the drive of return unit the lifting scale descends, and lifting scale with open during the control switch butt control switch, to go into quantitative insulating gas in the gas tank.
Through adopting above-mentioned technical scheme, the rising and the decline of lift scale are controlled respectively to the elastic support body with replying the unit, and then when replying unit control lift scale and control switch butt in order to reach the purpose of continuously aerifing in the gas tank, have and aerify convenient, the volume of aerifing is stable and the effect convenient safe in utilization.
The invention is further configured to: the gas tank is internally provided with a positioning piece, the positioning piece is in when the control switch is opened with the lifting scale is connected fixedly, just the reply unit is in when the control switch is opened, and works as the pressure gauge monitoring when the gas tank atmospheric pressure is greater than the set threshold value, the positioning piece with the lifting scale separation, the drive of elastic support body the lifting scale is along the ascending movement to the highest point of vertical direction.
Through adopting above-mentioned technical scheme, the setting element plays the effect that control lift scale keeps fixed, is showing stability, precision and the security that promotes aerifing in to the gas tank.
The invention is further configured to: the reply unit includes lift arc gear, the lift scale be provided with the vertical side tooth of lift arc gear meshing.
Through adopting above-mentioned technical scheme, drive lift arc gear can play the effect that the descending movement of drive lift scale along vertical direction is done, has the convenient effect of operation, control and operation.
The invention is further configured to: the return unit further comprises a driving gear, rotating gears are meshed with the left side and the right side of the driving gear, a lifting arc gear is fixedly connected to each rotating gear, and vertical side teeth meshed with the corresponding lifting arc gears are arranged on the side walls of the two sides of the lifting scale; when the lifting arc-shaped gear on one side is meshed with the corresponding vertical edge teeth, the lifting arc-shaped gear on the other side is separated from the corresponding vertical edge teeth.
Through adopting above-mentioned technical scheme, when the elevating movement along vertical direction was done to the lifting scale, respectively with the meshing of corresponding one side lift arc gear to drive corresponding rotating gear operation, have and show the effect that promotes the lift operation stability that goes up and down to keep.
The invention is further configured to: the driving gear is connected with a driving piece, and the driving piece is connected with the central processing unit.
Through adopting above-mentioned technical scheme, driving piece control drive gear rotates, and central processing unit control driving piece opens and close, consequently will show the control convenience that promotes this mechanism of aerifing.
The invention is further configured to: the upper end and the lower end of the lifting scale are both provided with top teeth, and the vertical side teeth are positioned between the upper top teeth and the lower top teeth.
Through adopting above-mentioned technical scheme, two upper and lower apical teeth inject the corresponding position at the lift scale with the lift arc gear to reach and prevent lift arc gear and lift scale complete separation and influence the actuating motion's of lift scale purpose.
The invention is further configured to: the elastic support is characterized in that end inserting plates are arranged at the upper ends of the top teeth and the lower ends of the top teeth, the end inserting plates are arranged at the lower ends and are inserted into the elastic support body, and the top end of the elastic support body is abutted to the bottom of the top teeth correspondingly.
Through adopting above-mentioned technical scheme, the elastic support body plays effectual elastic support effect, is showing the lift stability who promotes the lifting scale.
In conclusion, the invention has the following beneficial effects: the central processing unit directly controls the inflation mechanism to start and charges a certain amount of insulating gas into the gas tank so as to achieve the purposes of ensuring the sufficiency of insulating media in the gas tank and the use safety of the ring network switch equipment body; and two lifting arc gears are respectively meshed with vertical side teeth on one corresponding side of the lifting scale to be matched with the elastic support body to realize the purpose of effectively driving the lifting scale to move up and down.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic structural view of the inflation mechanism of the present embodiment;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Description of reference numerals: 1. a ring network switchgear body; 2. a gas tank; 21. a housing; 22. a control switch; 3. connecting and fixing lugs; 4. an inflation mechanism; 41. a lifting scale; 411. vertical side teeth; 412. a top tooth; 413. an end part inserting plate; 42. an elastic support; 43. a rotating gear; 44. lifting the arc gear; 45. the gears are driven.
Detailed Description
In order to make the technical solution and advantages of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, a gas fully insulated ring network switchgear includes a ring network switchgear body 1. The ring network switchgear is characterized in that an air box 2 is arranged in the ring network switchgear body 1, and a connecting and fixing lug 3 is arranged on the outer side wall of the ring network switchgear body 1. The connecting and fixing lug 3 is used for installing and fixing the ring network switch equipment body 1. A pressure gauge for monitoring the gas pressure in real time is provided on the gas tank 2. Meanwhile, an inflation mechanism 4 is provided in the air tank 2. The pressure gauge is connected with a central processing unit for controlling the inflation mechanism 4 to open and close, and when the air pressure of the air box 2 monitored by the pressure gauge is lower than a set threshold value, the central processing unit controls the inflation mechanism 4 to start and fills a fixed amount of insulating gas into the air box 2. Therefore, when the air pressure in the air box 2 is smaller than the set threshold, the central processing unit directly controls the inflation mechanism 4 to start and fill a certain amount of insulating gas into the air box 2, so as to achieve the purpose of ensuring the sufficiency of the insulating medium in the air box 2 and the use safety of the ring network switch device body 1.
As shown in fig. 1 and 2, the inflation mechanism 4 includes an elevation scale 41, an elastic support 42 that drives the elevation scale 41 to perform an upward movement in the vertical direction, and a return unit that drives the elevation scale 41 to perform a downward movement in the vertical direction. The bottom of elastic support body 42 is provided with control switch 22, and when 2 atmospheric pressure of gas tank when the pressure gauge monitoring is less than the settlement threshold value, central processing unit control reply unit starts, and then make reply unit drive lifting scale 41 decline, and then control switch 22 keeps opening when lifting scale 41 and control switch 22 butt, fill into quantitative insulating gas in the gas tank 2, and then when adopting elastic support body 42 and reply unit to control lifting scale 41's rising and decline respectively, through reply unit control lifting scale 41 and control switch 22 butt, in order to reach and continuously aerify the purpose in the gas tank 2, it is convenient to have to aerify, the inflation volume is stable and the effect convenient safe in utilization. It should be mentioned that a positioning element is provided in the gas box 2. The locating piece is connected fixedly with lift scale 41 when control switch 22 opens, and the recovery unit closes when control switch 22 opens to when the gas tank 2 atmospheric pressure that the pressure gauge monitored is greater than the settlement threshold value, locating piece and lift scale 41 separation, elastic support 42 drive lift scale 41 do along the ascending motion of vertical direction to the highest point. The positioning member is an electromagnet, and the elevation scale 41 is supported by a magnetic material such as iron, cobalt, or nickel. When the control switch 22 is turned on, the electromagnet is energized to generate suction force, thereby achieving the purpose of connecting and fixing the lifting scale 41. And when the positioning piece plays a role in controlling the lifting scale 41 to keep fixed, the stability, the precision and the safety of air inflation into the air box 2 are obviously improved.
As shown in fig. 2, the restoring unit includes a lifting arc gear 44. The elevation scale 41 is provided with vertical edge teeth 411 that mesh with the elevation arc gear 44. Therefore, when the lifting arc gear 44 is driven, the lifting scale 41 can be driven to do descending movement along the vertical direction, and the effect of convenience in operation, control and running is achieved. It should be mentioned that the return unit also comprises a driving gear 45. The left and right sides of the driving gear 45 are engaged with the rotating gears 43, and a lifting arc gear 44 is fixedly connected to each rotating gear 43. Meanwhile, vertical side teeth 411 engaged with the corresponding lifting arc gears 44 are arranged on both side walls of the lifting scale 41; when the lifting arc gear 44 positioned on one side is meshed with the corresponding vertical edge teeth 411, the lifting arc gear 44 on the other side is separated from the corresponding vertical edge teeth 411, and then when the lifting scale 41 performs lifting motion along the vertical direction, the lifting arc gear 44 on the other side is meshed with the lifting arc gear 44 on the corresponding side respectively to drive the corresponding rotating gear 43 to operate, so that the effect of remarkably improving the lifting operation stability of lifting maintenance is achieved. Further, to rotate the driving gear 45, a driving member is connected to the driving gear 45. The driving piece is connected with the central processing unit, and then when controlling the driving gear 45 to rotate through the driving piece, the central processing unit controls the driving piece to be opened and closed, so that the control convenience of the inflating mechanism 4 is obviously improved.
In order to further improve the movement stability of the elevation scale 41, top teeth 412 are provided at both upper and lower ends of the elevation scale 41. The vertical teeth 411 are located between the upper and lower top teeth 412, and the lifting arc gear 44 is limited at the corresponding position of the lifting scale 41 through the upper and lower top teeth 412, so that the purpose of preventing the lifting arc gear 44 from being completely separated from the lifting scale 41 and affecting the driving motion of the lifting scale 41 is achieved. Meanwhile, the upper end of the top tooth 412 located at the upper end and the lower end of the top tooth 412 located at the lower end are both provided with an end inserting plate 413, the end inserting plate 413 located at the lower end is inserted into the elastic support body 42, and the top end of the elastic support body 42 is abutted to the bottom of the corresponding top tooth 412, so that the elastic support body 42 plays an effective elastic supporting role, and the purpose of remarkably improving the lifting stability of the lifting scale 41 is achieved.
In summary, the central processing unit directly controls the inflation mechanism 4 to start and fill a certain amount of insulating gas into the gas tank 2, so as to achieve the purpose of ensuring the sufficiency of the insulating medium in the gas tank 2 and the use safety of the ring network switch device body 1; and the two lifting arc gears 44 are respectively engaged with the vertical side teeth 411 on the corresponding side of the lifting scale 41 to cooperate with the elastic supporting body 42 to achieve the purpose of effectively driving the lifting scale 41 to move up and down.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, but all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the present invention may occur to those skilled in the art without departing from the principle of the present invention, and such modifications and embellishments should also be considered as within the scope of the present invention.

Claims (8)

1. The utility model provides a gaseous all insulation looped netowrk switchgear, includes looped netowrk switchgear body (1), be provided with gas tank (2) in looped netowrk switchgear body (1), and be provided with on the lateral wall of looped netowrk switchgear body (1) and connect fixed ear (3), gas tank (2) are provided with the pressure gauge that is used for real-time supervision gas pressure, its characterized in that: the gas tank is characterized in that an inflation mechanism (4) is arranged in the gas tank (2), the pressure gauge is connected with a central processing unit used for controlling the inflation mechanism (4) to be opened and closed, and when the gas pressure of the gas tank (2) monitored by the pressure gauge is lower than a set threshold value, the central processing unit controls the inflation mechanism (4) to be started and fills the gas tank (2) with a fixed amount of insulating gas.
2. The gas all-insulated ring network switchgear according to claim 1, wherein: aerify mechanism (4) including lifting scale (41), drive lifting scale (41) are along the elastic support body (42) of the rising motion of vertical direction and are used for the drive lifting scale (41) are along the return unit of the falling motion of vertical direction, the bottom of elastic support body (42) is provided with control switch (22), and works as the pressure gauge monitoring when gas tank (2) atmospheric pressure is less than the settlement threshold value, central processing unit control the return unit starts, the drive of return unit lifting scale (41) descend, and lifting scale (41) with open during control switch (22) butt control switch (22), to go into quantitative insulating gas in gas tank (2).
3. The gas all-insulated ring network switchgear according to claim 2, wherein: be provided with the setting element in gas tank (2), the setting element is in when control switch (22) is opened with lifting scale (41) are connected fixedly, just the answer unit is in when control switch (22) are opened, and work as the pressure gauge monitoring gas tank (2) atmospheric pressure is greater than when setting for the threshold value, the setting element with lifting scale (41) separation, elastic support body (42) drive lifting scale (41) are done and are followed the ascending motion to the highest point of vertical direction.
4. A gas all-insulated ring network switchgear according to claim 3, characterized in that: the recovery unit comprises a lifting arc-shaped gear (44), and the lifting scale (41) is provided with vertical side teeth (411) meshed with the lifting arc-shaped gear (44).
5. The gas all-insulated ring network switchgear according to claim 4, wherein: the return unit further comprises a driving gear (45), rotating gears (43) are meshed with the left side and the right side of the driving gear (45), each rotating gear (43) is fixedly connected with a lifting arc gear (44), and vertical side teeth (411) meshed with the corresponding lifting arc gears (44) are arranged on the side walls of the two sides of the lifting scale (41); when the lifting arc gear (44) at one side is engaged with the corresponding vertical tooth (411), the lifting arc gear (44) at the other side is separated from the corresponding vertical tooth (411).
6. The gas all-insulated ring network switchgear according to claim 5, wherein: the driving gear (45) is connected with a driving piece, and the driving piece is connected with the central processing unit.
7. The gas all-insulated ring network switchgear according to claim 6, wherein: the upper end and the lower end of the lifting scale (41) are both provided with top teeth (412), and the vertical side teeth (411) are located between the upper top teeth (412) and the lower top teeth (412).
8. The gas all-insulated ring network switchgear according to claim 7, wherein: the upper end of the top tooth (412) located at the upper end and the lower end of the top tooth (412) located at the lower end are both provided with end inserting plates (413), the end inserting plates (413) located at the lower end are inserted into the elastic supporting body (42), and the top end of the elastic supporting body (42) is abutted to the bottom of the corresponding top tooth (412).
CN202010704490.9A 2020-07-21 2020-07-21 Gaseous all insulation looped netowrk switchgear Active CN112003179B (en)

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CN202010704490.9A CN112003179B (en) 2020-07-21 2020-07-21 Gaseous all insulation looped netowrk switchgear

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CN112003179B CN112003179B (en) 2023-03-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2881749Y (en) * 2005-12-05 2007-03-21 陕西科技大学 Automatic controller for water storage
CN204680562U (en) * 2015-05-25 2015-09-30 宁波长和电器有限公司 The automatic arc extinguishing type circuit breaker of a kind of Spring driving
CN204946745U (en) * 2015-09-14 2016-01-06 浙江百宸电气有限公司 The circuit breaker of universal
CN207781421U (en) * 2017-12-18 2018-08-28 江西环林集团股份有限公司 One kind being based on GPRS remote control switch cabinet switching off/on devices
CN110518485A (en) * 2019-09-12 2019-11-29 宁波耐森电气科技有限公司 A kind of gas-filling cabinet of special construction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2881749Y (en) * 2005-12-05 2007-03-21 陕西科技大学 Automatic controller for water storage
CN204680562U (en) * 2015-05-25 2015-09-30 宁波长和电器有限公司 The automatic arc extinguishing type circuit breaker of a kind of Spring driving
CN204946745U (en) * 2015-09-14 2016-01-06 浙江百宸电气有限公司 The circuit breaker of universal
CN207781421U (en) * 2017-12-18 2018-08-28 江西环林集团股份有限公司 One kind being based on GPRS remote control switch cabinet switching off/on devices
CN110518485A (en) * 2019-09-12 2019-11-29 宁波耐森电气科技有限公司 A kind of gas-filling cabinet of special construction

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