A new type of environmentally friendly gas ring network cabinet

Abstract

The present invention relates to the field of ring network cabinet technology, and discloses a new type of environmentally friendly gas ring network cabinet, including an environmentally friendly gas ring network cabinet body, a sealing plate is fixedly installed at the front end of the environmentally friendly gas ring network cabinet body, a pressure relief valve is fixedly installed at the front end of the sealing plate, and a main shaft is rotatably connected to the middle part of the environmentally friendly gas ring network cabinet body. The present invention arranges a high-voltage box that can store high-voltage arc-extinguishing gas above the environmentally friendly gas ring network cabinet body. When closing and opening the switch, the main shaft rotates and drives the protrusion to rotate through the transmission belt, and the sealing plate is first opened to connect the high-voltage box and the environmentally friendly gas ring network cabinet body. At this time, the high-pressure gas will enter the arc-extinguishing chamber in the environmentally friendly gas ring network cabinet body, so that the air pressure in the environmentally friendly gas ring network cabinet body increases, and then drives the air flow to blow the arc away from the electrode. The high insulation and cooling effect of the arc-extinguishing gas work together to reduce the time required for arc extinguishing and improve the arc extinguishing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of ring main unit, and more specifically, to a novel environmentally friendly gas ring main unit. Background Art

[0002] Environmentally friendly gas ring main cabinet is a kind of equipment used in power transmission systems, usually including high-voltage switchgear, current transformers, voltage transformers, protection equipment, communication equipment, etc., and uses environmentally friendly gas as insulating medium and arc extinguishing medium.

[0003] When the existing environmentally friendly gas ring network cabinet is in use, arc extinguishing gas is filled into the arc extinguishing chamber inside it, and the high insulation and cooling properties of the arc extinguishing gas are used to absorb the energy of the arc, thereby realizing the arc extinguishing operation. However, in actual use, the insulation and cooling properties of the arc extinguishing gas alone are used to extinguish the arc, which requires a long arc extinguishing time and has a low arc extinguishing efficiency. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a novel environmentally friendly gas ring main unit, which has the advantages of reducing the time required for arc extinguishing in the prior art and improving the arc extinguishing efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new type of environmentally friendly gas ring network cabinet, comprising an environmentally friendly gas ring network cabinet body, a sealing plate is fixedly installed at the front end of the environmentally friendly gas ring network cabinet body, a pressure relief valve is fixedly installed at the front end of the sealing plate, a main shaft is rotatably connected to the middle part of the environmentally friendly gas ring network cabinet body, a knife is fixedly installed at the middle part of the main shaft, a motor is fixedly installed at the middle part of the environmentally friendly gas ring network cabinet body, a gear is fixedly sleeved at the output end of the motor, a gear ring is fixedly installed at the rear end of the main shaft, and the environmentally friendly gas ring network cabinet body is fixedly installed with a gear ring. A rotating shaft is rotatably connected in the middle, and a transmission wheel is fixedly installed at the rear ends of the rotating shaft and the main shaft, and a transmission belt is connected to the surface of the transmission wheel for transmission. A positioning block is fixedly installed on the left end of the inner cavity of the environmental protection gas ring network cabinet body, and a push rod is slidably connected to the middle of the positioning block, and a closing plate is fixedly installed on the top of the push rod, a rotating ring is fixedly installed on the front end of the rotating shaft, and a protrusion is fixedly installed on the surface of the rotating ring, and a high-pressure box is fixedly installed on the top of the environmental protection gas ring network cabinet body, a gas tank is provided at the top of the high-pressure box, and a gas pipe is provided at the left end of the gas tank.

[0006] As a preferred technical solution of the present invention, the inner cavity of the high-voltage box is slidably connected with a lifting plate, a limiting axis is fixedly installed between the high-voltage box and the environmental protection gas ring network cabinet body, an extrusion plate is fixedly installed at the top of the lifting plate, a fixing frame is fixedly installed at the top of the high-voltage box, a spring is fixedly installed in the inner cavity at the top of the fixing frame, and a contact strip is fixedly installed at the bottom of the spring.

[0007] As a preferred technical solution of the present invention, a rotating pin is fixedly installed at the front end of the main shaft, two wedge blocks are fixedly installed at the top end of the high-pressure box, and the gas tank is placed between the two wedge blocks.

[0008] As a preferred technical solution of the present invention, the lifting plate is slidably sleeved on the surface of the limiting shaft, and a support block is fixedly installed on the top of the environmental protection gas ring network cabinet body. The height of the support block is greater than the diameter of the air pipe, and the connection between the bottom end of the air pipe and the high-pressure box is located below the lifting plate.

[0009] As a preferred technical solution of the present invention, a trigger block is fixedly installed on the left side of the extrusion plate, and an alarm is fixedly installed on the top of the high-voltage box.

[0010] As a preferred technical solution of the present invention, a quick connector is provided at the connection between the air pipe and the air tank so as to be detachably connected to the air tank.

[0011] As a preferred technical solution of the present invention, the bottom end of the gear is meshed with a gear ring, the gear ring is located on the front side of the transmission wheel, a through hole is opened at the top of the environmental protection gas ring network cabinet body, and the closing plate is located at the through hole.

[0012] As a preferred technical solution of the present invention, the shape of the fixing frame is an inverted U shape, the projection of the extrusion plate in the horizontal direction is located inside the fixing frame, and the air pipe is located between the extrusion plate and the fixing frame.

[0013] As a preferred technical solution of the present invention, the trigger block is located at the right end of the alarm, the upper and lower ends of the trigger block are both arc surfaces, and the trigger block is pressed on the right side of the alarm.

[0014] As a preferred technical solution of the present invention, an air box is fixedly installed on the top of the high-pressure box, and one-way tubes are fixedly installed on both the front and rear ends of the air box. The inner cavity of the one-way tube is slidably connected with a moving rod, an extension block is fixedly installed on the right end of the moving rod, and a movable ring is fixedly installed in the middle of the extension block. The inner cavity of the air box is slidably connected with an exhaust plate, a connecting rod is fixedly installed between the top of the exhaust plate and the extrusion plate, and the movable ring is sleeved on the gas tank.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention sets a high-voltage box for storing high-voltage arc-extinguishing gas above the environmentally friendly gas ring network cabinet body. When closing and opening the switch, the main shaft rotates and drives the protrusion to rotate through the transmission belt. The closing plate is first opened to connect the high-voltage box and the environmentally friendly gas ring network cabinet body. At this time, the high-pressure gas will enter the arc-extinguishing chamber in the environmentally friendly gas ring network cabinet body, so that the air pressure in the environmentally friendly gas ring network cabinet body is increased, thereby driving the air flow and blowing the arc away from the electrode. The high insulation and cooling effect of the arc-extinguishing gas work together to reduce the time required for arc extinguishing and improve the arc extinguishing efficiency.

[0017] 2. The present invention provides a lifting plate in the high-pressure box that can rise and fall with pressure changes. During the arc extinguishing process, the lifting plate falls due to the pressure reduction, so that the extrusion plate opens the air pipe and separates the trigger block from the alarm to make the alarm sound. When the arc is extinguished and inflated, if the seal of the device is effective, the pressure in the high-pressure box will soon return to its original pressure, and the trigger block will press the alarm to stop the alarm. On the contrary, if the seal of the device fails and there is a leak, the time for the high-pressure box to restore the pressure will increase or the pressure cannot be restored. At this time, the alarm time of the alarm is lengthened or the alarm continues. The operator can judge whether the seal of the device has failed by judging the alarm duration during the arc extinguishing process, so as to facilitate timely maintenance of the device.

[0018] 3. The present invention sleeves the gas tank in the movable ring, and the movable ring can be used to longitudinally position the gas tank. At the same time, the extrusion plate moves up to clamp the air pipe, and the connecting rod drives the exhaust plate to move up, and the external air is sucked into the gas box through the one-way air inlet hole at the bottom of the gas box. Then, when the extrusion plate moves down next time, the exhaust plate can be driven to move down to squeeze the air into the one-way tube, pushing the moving rod to move right, and pushing the movable ring on the gas tank to the right a short distance. When the movable ring is completely located on the right side of the gas tank, the gas tank is unlocked in the vertical direction, and it indicates that the arc-extinguishing gas in the gas tank has been used up and needs to be replaced, which is convenient for the operator to replenish the arc-extinguishing gas in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 The enlarged schematic diagram at A in the middle;

[0021] Figure 3 It is a schematic diagram of the internal structure of the present invention;

[0022] Figure 4 For the present invention Figure 3 The enlarged schematic diagram of point B in the middle;

[0023] Figure 5 This is a schematic diagram of the gas tank connection structure of the present invention;

[0024] Figure 6 It is a cross-sectional schematic diagram of the high-voltage box structure of the present invention;

[0025] Figure 7 This is a schematic diagram of the connection of the structural closed plate of the present invention;

[0026] Figure 8 This is a schematic diagram of the connection of the contact strip structure of the present invention;

[0027] Fig. 9 It is a schematic diagram of the connection of the movable rod of the structure of the present invention.

[0028] In the figure: 1. Environmental protection gas ring network cabinet body; 2. Sealing plate; 3. Pressure relief valve; 4. Main shaft; 5. Rotating pin; 6. Knife; 7. Motor; 8. Gear; 9. Gear ring; 10. Drive wheel; 11. Drive belt; 12. Rotating shaft; 13. Positioning block; 14. Push rod; 15. Closing plate; 16. Rotating ring; 17. Bump; 18. High-pressure box; 19. Gas tank; 20. Gas pipe; 21. Lifting plate; 22. Limiting shaft; 23. Support block; 24. Extrusion plate; 25. Fixed frame; 26. Trigger block; 27. Quick connector; 28. Spring; 29. ​​Alarm; 30. Contact strip; 31. Movable ring; 32. Extension block; 33. Moving rod; 34. Gas box; 35. One-way pipe; 36. Connecting rod; 37. Exhaust plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figures 1 to 9 As shown, the present invention provides a new type of environmentally friendly gas ring network cabinet, including an environmentally friendly gas ring network cabinet body 1, a sealing plate 2 is fixedly installed at the front end of the environmentally friendly gas ring network cabinet body 1, a pressure relief valve 3 is fixedly installed at the front end of the sealing plate 2, a main shaft 4 is rotatably connected to the middle of the environmentally friendly gas ring network cabinet body 1, a switch knife 6 is fixedly installed in the middle of the main shaft 4, a motor 7 is fixedly installed in the middle of the environmentally friendly gas ring network cabinet body 1, a gear 8 is fixedly sleeved at the output end of the motor 7, a gear ring 9 is fixedly installed at the rear end of the main shaft 4, a rotating shaft 12 is rotatably connected to the middle of the environmentally friendly gas ring network cabinet body 1, and a transmission wheel 10 is fixedly installed at the rear ends of the rotating shaft 12 and the main shaft 4, and a surface transmission of the transmission wheel 10 is connected to a transmission belt 11, as shown in FIG. Figure 5As shown, a positioning block 13 is fixedly installed at the left end of the inner cavity of the environmental protection gas ring network cabinet body 1, a push rod 14 is slidably connected to the middle of the positioning block 13, a closing plate 15 is fixedly installed at the top of the push rod 14, a rotating ring 16 is fixedly installed at the front end of the rotating shaft 12, a convex block 17 is fixedly installed on the surface of the rotating ring 16, a high-pressure box 18 is fixedly installed at the top of the environmental protection gas ring network cabinet body 1, a gas tank 19 is provided at the top of the high-pressure box 18, and a gas pipe 20 is provided at the left end of the gas tank 19;

[0031] When performing closing and opening operations, refer to Figure 4 , Figure 5 and Figure 7 , the main shaft 4 rotates and drives the protrusion 17 to rotate through the transmission belt 11, which can gradually push the push rod 14 upward, so that the closing plate 15 loses the sealing of the environmental protection gas ring network cabinet body 1 and the high-voltage box 18. There is arc-extinguishing gas with a higher pressure than that in the arc-extinguishing chamber in the high-voltage box 18. At this time, the high-pressure arc-extinguishing gas will enter the arc-extinguishing chamber through the through hole, making the pressure in the arc-extinguishing chamber greater than the opening pressure of the pressure relief valve 3, and then exhaust outward through the pressure relief valve 3, driving the arc-extinguishing gas in the arc-extinguishing chamber to flow, and then pushing the arc away from the electrode. Since the arc-extinguishing gas still exists in the arc-extinguishing chamber during this process, The arc can still be extinguished by the high insulation and cooling of the arc extinguishing gas. A high-pressure box 18 for storing high-pressure arc extinguishing gas is arranged above the environmentally friendly gas ring network cabinet body 1. The closing plate 15 is first opened to connect the high-pressure box 18 and the environmentally friendly gas ring network cabinet body 1. At this time, the high-pressure gas will enter the arc extinguishing chamber in the environmentally friendly gas ring network cabinet body 1, thereby increasing the air pressure in the environmentally friendly gas ring network cabinet body 1, thereby driving the air flow and blowing the arc away from the electrode. The high insulation and cooling effect of the arc extinguishing gas work together to reduce the time required for arc extinguishing and improve the arc extinguishing efficiency.

[0032] Among them, see Figures 6 to 8 The inner cavity of the high-voltage box 18 is slidably connected with a lifting plate 21, a limit axis 22 is fixedly installed between the high-voltage box 18 and the environmental gas ring network cabinet body 1, an extrusion plate 24 is fixedly installed on the top of the lifting plate 21, a fixing frame 25 is fixedly installed on the top of the high-voltage box 18, a spring 28 is fixedly installed in the inner cavity of the top of the fixing frame 25, and a contact strip 30 is fixedly installed at the bottom of the spring 28;

[0033] When the closing and opening operations are not required normally, arc extinguishing is not required. Therefore, even if the seal failure of the device occurs at this time, it will not have a significant impact. The seal failure only affects the arc extinguishing effect during the closing and opening operations. The top rod 14 descends under the action of gravity, so that the closing plate 15 closes the through hole at the top of the environmental protection gas ring network cabinet body 1. At this time, the arc extinguishing operation has been completed (such as Figure 7As shown in FIG. 1 , the pressure in the high-pressure box 18 has not been restored, and the gas tank 19 is still inflating the high-pressure box 18, continuously pushing the lifting plate 21 upward. When the extrusion plate 24 contacts the contact strip 30, the lifting plate 21 is pushed upward by the elastic force of the spring 28 and cannot overcome the elastic force of the spring 28. At this time, the pressure in the high-pressure box 18 is equal to the atmospheric pressure, and the air pipe 20 is in a state of not being completely clamped, and air can continue to be taken in (see FIG. 1 ). Figure 6 and Figure 8 ), when the gas in the high-pressure box 18 reaches a high-pressure state, the thrust on the lifting plate 21 is greater than the elastic force of the spring 28. At this time, the extrusion plate 24 presses the contact strip 30 into the fixing frame 25, and the extrusion plate 24 completely closes the air pipe 20, thereby stopping the air intake. By arranging a lifting plate 21 that can rise and fall with the pressure change in the high-pressure box 18, the lifting plate 21 is lowered due to the pressure reduction during the arc extinguishing process, so that the extrusion plate 24 opens the air pipe 20 and separates the trigger block 26 from the alarm 29, so that the alarm 29 alarms. When the arc is extinguished and the gas is inflated, if the sealing of the device is effective, the pressure in the high-pressure box 18 will soon return to the original pressure, and the trigger block 26 will press the alarm 29 to stop the alarm. On the contrary, if the sealing of the device fails and there is a gas leak, the time for the high-pressure box 18 to restore the pressure will increase or the pressure cannot be restored. At this time, the alarm time of the alarm 29 will be prolonged or the alarm will continue. The operator can judge whether the sealing of the device fails by judging the alarm duration during the arc extinguishing process, so as to facilitate timely maintenance of the device.

[0034] Among them, Figure 3 As shown, a rotating pin 5 is fixedly mounted on the front end of the main shaft 4, two wedge-shaped blocks are fixedly mounted on the top end of the high-pressure box 18, and the gas tank 19 is placed between the two wedge-shaped blocks;

[0035] By setting the rotating pin 5, it is possible to realize manual rotation of the main shaft 4 by driving the rotating pin 5 through the sleeve, or to drive the gear 8 to rotate by starting the motor 7, and then drive the main shaft 4 to rotate automatically through the meshing of the gear 8 and the gear ring 9, thereby realizing the multifunctional operation effect of the device, and two wedge blocks are set to facilitate the placement of the gas tank 19.

[0036] Among them, Figure 6 and Figure 7 As shown, the lifting plate 21 is slidably sleeved on the surface of the limit shaft 22, and a support block 23 is fixedly installed on the top of the environmental protection gas ring network cabinet body 1. The height of the support block 23 is greater than the diameter of the gas pipe 20, and the connection between the bottom end of the gas pipe 20 and the high-pressure box 18 is located below the lifting plate 21;

[0037] When the lifting plate 21 slides up and down, the limit shaft 22 positions and guides the sliding of the lifting plate 21 to prevent the lifting plate 21 from tilting in the horizontal direction, thereby preventing the device from failing to operate normally. The support block 23 is provided to ensure that the interface of the air pipe 20 is always located under the lifting plate 21, thereby ensuring that inflation can proceed smoothly.

[0038] Among them, Figure 2 As shown, a trigger block 26 is fixedly installed on the left side of the extrusion plate 24, and an alarm 29 is fixedly installed on the top of the high-voltage box 18;

[0039] The trigger block 26 leaves the alarm 29, and the alarm 29 emits a sound to alarm. When the trigger block 26 presses the alarm 29 again, the sound alarm stops. Through the interval of the sound alarm, it can be judged whether the current state of the device is in a normal sealing condition. There is no need to use instruments for detection, and the operation is stable and convenient.

[0040] Among them, Figure 5 As shown, the connection between the air pipe 20 and the air tank 19 is provided with a quick connector 27 which is detachably connected to the air tank 19;

[0041] The quick connector 27 is provided to enable the gas tank 19 to be detachably connected, thereby facilitating replacement of the gas tank 19 .

[0042] Among them, Figure 7 As shown, the bottom end of the gear 8 is meshed with the gear ring 9, the gear ring 9 is located in front of the transmission wheel 10, and a through hole is opened at the top of the environmental protection gas ring network cabinet body 1, and the closing plate 15 is located at the through hole;

[0043] By providing a through hole and placing the closing plate 15 in the through hole, the through hole can be opened in time to facilitate the flow of arc extinguishing gas.

[0044] Among them, Figure 2 and Figure 8 As shown, the shape of the fixing frame 25 is an inverted U-shape, the projection of the extrusion plate 24 in the horizontal direction is located inside the fixing frame 25, and the air pipe 20 is located between the extrusion plate 24 and the fixing frame 25;

[0045] The squeezing plate 24 and the fixing frame 25 can realize automatic inflation of the device, and timely seal the air pipe 20 after inflation is completed, thereby avoiding waste of arc extinguishing gas.

[0046] Among them, Figure 2 As shown, the trigger block 26 is located at the right end of the alarm 29 , and both upper and lower ends of the trigger block 26 are arc surfaces, and the trigger block 26 is pressed on the right side of the alarm 29 .

[0047] The trigger block 26 having an arc surface can ensure smooth contact with the alarm 29 and avoid jamming.

[0048] Among them, Fig. 9 As shown, a gas box 34 is fixedly installed on the top of the high-pressure box 18, and a one-way tube 35 is fixedly installed on both the front and rear ends of the gas box 34. A moving rod 33 is slidably connected to the inner cavity of the one-way tube 35, and an extension block 32 is fixedly installed on the right end of the moving rod 33. A movable ring 31 is fixedly installed in the middle of the extension block 32. A suction plate 37 is slidably connected to the inner cavity of the gas box 34, and a connecting rod 36 is fixedly installed between the top of the suction plate 37 and the extrusion plate 24. The movable ring 31 is sleeved on the gas tank 19;

[0049] By sleeve-fitting the gas tank 19 into the movable ring 31, the gas tank 19 can be longitudinally positioned by the movable ring 31. At the same time, when the extrusion plate 24 moves up to clamp the air pipe 20, the vacuum plate 37 is driven to move up through the connecting rod 36, and the external air is sucked into the gas box 34 through the one-way air inlet hole at the bottom of the gas box 34. Then, when the extrusion plate 24 moves down next time, the vacuum plate 37 can be driven to move down to squeeze the air into the one-way tube 35, pushing the moving rod 33 to the right, and pushing the movable ring 31 to the right on the gas tank 19 a short distance. When the movable ring 31 is completely located on the right side of the gas tank 19, the gas tank 19 is unlocked in the vertical direction, indicating that the arc extinguishing gas in the gas tank 19 has been used up and needs to be replaced, so that the operator can replenish the arc extinguishing gas in time.

[0050] The working principle and use process of the present invention:

[0051] When in use, an arc extinguishing chamber is formed between the sealing plate 2 and the environmental gas ring main unit body 1, and the arc extinguishing chamber is filled with arc extinguishing gas with a certain pressure;

[0052] like Figure 3 and Figure 4 As shown, the device is in the power-on state. At this time, when the switch is disconnected, the gear 8 is driven to rotate by the starting motor 7, and the main shaft 4 is automatically rotated by the meshing of the gear 8 and the gear ring 9. The rotating pin 5 can also be driven by the sleeve to drive the main shaft 4 to rotate manually;

[0053] See also Figure 5 and Figure 7When the main shaft 4 rotates, the two transmission wheels 10 are connected through the transmission belt 11, which can drive the rotating shaft 12 to rotate counterclockwise, and then drive the protrusion 17 on the rotating ring 16 to rotate counterclockwise. When the left side of the protrusion 17 contacts the push rod 14, the push rod 14 can be gradually pushed upward, so that the closing plate 15 loses the closure of the environmental protection gas ring network cabinet body 1 and the high-voltage box 18. There is arc-extinguishing gas with a higher pressure than that in the arc-extinguishing chamber in the high-voltage box 18. At this time, the high-pressure arc-extinguishing gas will enter the arc-extinguishing chamber through the through hole, so that the pressure in the arc-extinguishing chamber is greater than the opening pressure of the pressure relief valve 3, and then exhaust outward through the pressure relief valve 3, driving the arc-extinguishing gas in the arc-extinguishing chamber to flow, and then pushing the arc away from the electrode. Since the arc-extinguishing gas still exists in the arc-extinguishing chamber during this process, the arc can still be extinguished by the high insulation and cooling of the arc-extinguishing gas;

[0054] See also Figure 6 During this process, the pressure below the lifting plate 21 in the high-pressure box 18 gradually decreases, causing the lifting plate 21 to descend. During the descent of the lifting plate 21, the squeezing plate 24 and the trigger block 26 are driven to descend. After the squeezing plate 24 descends, the clamped air pipe 20 can be relaxed, and then the high-pressure box 18 is slowly inflated. At the same time, the trigger block 26 leaves the alarm 29, and the alarm 29 sounds an alarm.

[0055] See also Figure 5 As the projection 17 continues to rotate, the right side of the projection 17 contacts the push rod 14. When the projection 17 leaves the push rod 14, the push rod 14 drops under the action of gravity, so that the closing plate 15 closes the through hole at the top of the environmental protection gas ring network cabinet body 1. At this time, the arc extinguishing operation has been completed, but the pressure in the high-voltage box 18 has not been restored. The gas tank 19 is still inflating the high-voltage box 18, constantly pushing the lifting plate 21 upward. When the extrusion plate 24 contacts the contact strip 30 (see Figure 2 and Figure 8 ), affected by the elastic force of the spring 28, the force of the lifting plate 21 being pushed up cannot overcome the elastic force of the spring 28. At this time, the pressure in the high-pressure box 18 is equal to the atmospheric pressure, and the air pipe 20 is in a state of not being completely clamped, and can continue to intake air. When the gas in the high-pressure box 18 reaches a high-pressure state, the thrust exerted on the lifting plate 21 is greater than the elastic force of the spring 28. At this time, the squeezing plate 24 presses the contact strip 30 into the fixing frame 25, and the squeezing plate 24 completely closes the air pipe 20, thereby stopping the intake of air. At this time, the trigger block 26 is pressed on the alarm 29 again, and the alarm 29 stops alarming (such as Figure 2 shown);

[0056] Similarly, when performing the closing operation, the main shaft 4 rotates clockwise, the right side of the protrusion 17 first contacts the push rod 14, pushing the push rod 14 up, and then the left side of the protrusion 17 contacts the push rod 14, and the push rod 14 moves down to perform the arc extinguishing operation.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel environmentally friendly gas ring main unit, comprising an environmentally friendly gas ring main unit body (1), characterized in that: A sealing plate (2) is fixedly mounted on the front end of the environmental gas ring network cabinet body (1), a pressure relief valve (3) is fixedly mounted on the front end of the sealing plate (2), a main shaft (4) is rotatably connected to the middle part of the environmental gas ring network cabinet body (1), a knife switch (6) is fixedly mounted on the middle part of the main shaft (4), a motor (7) is fixedly mounted on the middle part of the environmental gas ring network cabinet body (1), a gear (8) is fixedly sleeved on the output end of the motor (7), a gear ring (9) is fixedly mounted on the rear end of the main shaft (4), a rotating shaft (12) is rotatably connected to the middle part of the environmental gas ring network cabinet body (1), a transmission wheel (10) is fixedly mounted on the rear ends of the rotating shaft (12) and the main shaft (4), a transmission belt (11) is connected to the surface of the transmission wheel (10), and a positioning block (13) is fixedly mounted on the left end of the inner cavity of the environmental gas ring network cabinet body (1), and a push rod is slidably connected to the middle part of the positioning block (13). (14), a closing plate (15) is fixedly mounted on the top of the push rod (14), a rotating ring (16) is fixedly mounted on the front end of the rotating shaft (12), a bump (17) is fixedly mounted on the surface of the rotating ring (16), a high-pressure box (18) is fixedly mounted on the top of the environmental gas ring network cabinet body (1), a gas tank (19) is provided on the top of the high-pressure box (18), a gas pipe (20) is provided on the left end of the gas tank (19), a lifting plate (21) is slidably connected to the inner cavity of the high-pressure box (18), a limiting axis (22) is fixedly mounted between the high-pressure box (18) and the environmental gas ring network cabinet body (1), and an extrusion plate (24) is fixedly mounted on the top of the lifting plate (21); a fixing frame (25) is fixedly mounted on the top of the high-pressure box (18), a spring (28) is fixedly mounted on the inner cavity of the top of the fixing frame (25), and a contact strip (30) is fixedly mounted on the bottom end of the spring (28); The lifting plate (21) is slidably sleeved on the surface of the limit shaft (22); a support block (23) is fixedly mounted on the top of the environmentally friendly gas ring network cabinet body (1); the height of the support block (23) is greater than the diameter of the gas pipe (20); and the connection between the bottom end of the gas pipe (20) and the high-pressure box (18) is located below the lifting plate (21).

2. According to claim 1, a new type of environmentally friendly gas ring network cabinet is characterized in that: A rotating pin (5) is fixedly mounted on the front end of the main shaft (4), two wedge-shaped blocks are fixedly mounted on the top end of the high-pressure box (18), and the gas tank (19) is placed between the two wedge-shaped blocks.

3. According to claim 1, a new type of environmentally friendly gas ring main unit is characterized in that: A trigger block (26) is fixedly mounted on the left side of the extrusion plate (24), and an alarm (29) is fixedly mounted on the top of the high-voltage box (18).

4. The new environmentally friendly gas ring main unit according to claim 1 is characterized by: A quick connector (27) is provided at the connection between the air pipe (20) and the air tank (19) and is detachably connected to the air tank (19).

5. The new environmentally friendly gas ring main unit according to claim 1 is characterized by: The bottom end of the gear (8) meshes with a gear ring (9), the gear ring (9) is located in front of the transmission wheel (10), a through hole is provided at the top end of the environmental protection gas ring network cabinet body (1), and the closing plate (15) is located at the through hole.

6. The new environmentally friendly gas ring main unit according to claim 1 is characterized by: The fixing frame (25) is in an inverted U-shape, the projection of the extrusion plate (24) in the horizontal direction is located inside the fixing frame (25), and the air pipe (20) is located between the extrusion plate (24) and the fixing frame (25).

7. The new environmentally friendly gas ring main unit according to claim 3 is characterized by: The trigger block (26) is located at the right end of the alarm (29); the upper and lower ends of the trigger block (26) are both arc surfaces; the trigger block (26) is pressed against the right side of the alarm (29).

8. The new environmentally friendly gas ring main unit according to claim 1 is characterized by: An air box (34) is fixedly mounted on the top of the high-pressure box (18), and one-way tubes (35) are fixedly mounted on both the front and rear ends of the air box (34). A moving rod (33) is slidably connected to the inner cavity of the one-way tube (35), an extension block (32) is fixedly mounted on the right end of the moving rod (33), and a movable ring (31) is fixedly mounted in the middle of the extension block (32). An air extraction plate (37) is slidably connected to the inner cavity of the air box (34), and a connecting rod (36) is fixedly mounted between the top of the air extraction plate (37) and the extrusion plate (24), and the movable ring (31) is sleeved on the air tank (19).

Images