Disclosure of Invention
The invention aims to provide a high-low voltage switch cabinet with independent partitions, which solves the problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an independent subregion's high-low voltage switchgear, includes the cabinet body, the front movable mounting of the cabinet body has the cabinet door, the front fixedly connected with of the cabinet body is located the inboard joint strip of cabinet door, the left side at cabinet body top is installed the air inlet fan, the top fixedly connected with communicating pipe one of air inlet fan, the bottom fixedly connected with of air inlet fan is located the inside communicating pipe two of the cabinet body, the gas outlet has all been seted up to communicating pipe two's surface, the right side fixedly connected with air extraction fan at cabinet body top, air extraction fan's top fixedly connected with connecting pipe one, air extraction opening has been seted up to air extraction fan's bottom fixedly connected with connecting pipe two that are located the inside of the cabinet body, the surface of connecting pipe two sets of outer surface has been seted up, the inside left side of the cabinet body is provided with high-voltage switch element, the inside central authorities of the cabinet body are provided with the transformer, the inside right side of the cabinet body is provided with low-voltage switch element, the both sides of cabinet body inner chamber all fixedly connected with connecting plate, the inboard of connecting plate is connected with copper one, the inboard of copper, inboard fixedly connected with second of connecting plate, the inboard of copper, inboard fixedly connected with second copper, the extension spring, three liquid tension springs are connected with one side three copper tubes are connected with one end, three piston tubes are connected with one end fixedly connected with one end of a piston, one end is connected with one end of a piston fixedly connected with one piston, the two sides of the transverse plate are fixedly connected with a round sleeve positioned outside the communicating pipe II and the air extraction fan, the inside of the round sleeve is movably sleeved with the outer surfaces of the communicating pipe II and the air extraction fan, the dustproof nets are arranged in the first communicating pipe and the first connecting pipe, and round blocks are fixedly connected to the top of the transverse plate.
Preferably, both sides at the top of the cabinet body are fixedly connected with connecting frames positioned outside the first communicating pipe and the first connecting pipe, the front and the rear of the inside of the connecting frames are fixedly connected with limiting rods, and the outer surfaces of the limiting rods are movably sleeved with sealing plates.
Preferably, the top fixedly connected with installation piece of the cabinet body, the push pedal has all been cup jointed to the inside both sides of installation piece, the outside of push pedal runs through the installation piece and extends to the outside of installation piece and with closing plate fixed connection, the inboard fixedly connected with of push pedal is located the inside spring one of installation piece, the other end and the inboard fixed connection of installation piece inner chamber of spring one.
Preferably, the inside activity joint of push pedal has the draw-in lever, the top of draw-in lever runs through the installation piece and extends to the top and the fixedly connected with mounting panel of installation piece, the equal fixedly connected with connecting rod in front and back of mounting panel bottom, the bottom of connecting rod runs through the installation piece and extends to in the inner chamber at cabinet body top and fixedly connected with fly leaf, the surface of connecting rod cup joints with the inside activity of installation piece, the surface of fly leaf cup joints with the inner chamber activity at cabinet body top.
Preferably, the bottom of fly leaf fixedly connected with movable rod, the movable rod runs through the cabinet body and extends to the inner wall at cabinet body top.
Preferably, two sides of the top of the movable plate are fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the top of the inner cavity of the mounting block.
Preferably, the back fixed intercommunication of connecting pipe one has the intake pipe, the other end fixed intercommunication of intake pipe has the gas receiver, the front of gas receiver and the back fixed connection of the cabinet body, the bottom fixed intercommunication of gas receiver has the outlet duct, the other end of outlet duct runs through the cabinet body and extends to the inside of the cabinet body and communicates with the inside of the cabinet body, piston two has been cup jointed in the inside activity of gas receiver.
Preferably, the inner wall at the top of the air storage cylinder is fixedly sleeved with a first fixing sleeve, a first round plug is movably sleeved in the first fixing sleeve, a first fixing plate is fixedly connected to the bottom of the first round plug, a second tension spring positioned below the fixing sleeve is sleeved on the outer surface of the first round plug, one end of the second tension spring is connected with the fixing sleeve, and the other end of the second tension spring is connected with the first fixing plate.
Preferably, a second fixing sleeve is fixedly sleeved in the inner wall of the bottom of the air storage cylinder, a second round plug is movably sleeved in the second fixing sleeve, a second fixing plate is fixedly connected to the bottom of the second round plug, a third tension spring positioned below the second fixing sleeve is sleeved on the outer surface of the second round plug, one end of the third tension spring is connected with the second fixing sleeve, and the other end of the third tension spring is connected with the second fixing plate.
The beneficial effects of the invention are as follows:
1. according to the invention, the air outlet, the air extraction opening and the round sleeve are arranged, when the temperature in the cabinet body continuously rises, the temperature of the copper plate I, the copper plate II and the copper plate III is increased, the temperature transmitted to the copper block is increased, the temperature increase of mercury in the liquid cylinder and the round tube is caused to continuously expand, the piston I, the round rod, the transverse plate and the round block are pushed to move upwards, the tension spring I is stretched, the round sleeve can be driven to move upwards due to the movement of the transverse plate, the sealing effect of the air outlet and the air extraction opening is relieved, at the moment, the sections of the communicating pipe II and the connecting pipe II can be increased, the air inflow of the outside can be increased due to the opening of the air outlet, the air extraction amount in the cabinet body can be increased due to the opening of the air extraction opening, so that the circulation of air flow in the cabinet body can be further improved, the heat dissipation effect and the heat dissipation efficiency in the cabinet body can be increased, and the upper limit of the heat dissipation effect in the cabinet body can be improved.
2. According to the invention, when the interior of the cabinet is in fire, the fire in the cabinet is increased along with continuous air inlet of the second communicating pipe, and then the second communicating pipe is spread to the first copper plate or the third copper plate, so that the first copper plate or the third copper plate is heated and quickly heated, the temperature is transferred to the copper block, mercury in the liquid cylinder is quickly expanded, the first piston, the round rod, the transverse plate and the round block are pushed to rise to the maximum movement range, the top end of the round block is extruded to push the movable rod and the movable plate to move upwards, the second spring is extruded, the connecting rod is driven to move upwards along the interior of the mounting block, and the mounting plate and the clamping rod are driven to rise, and then the clamping rod is separated from the interior of the push plate, so that the fixing effect of the first copper plate is relieved, the elastic force of the first spring is released, the first pushing plate and the sealing plate are pushed to move outwards along the outer surface of the limiting rod, the top end of the first connecting pipe is sealed, at the moment, the outside air is blocked from entering the interior of the cabinet, the first communicating pipe is blocked, the interior of the cabinet is blocked from being discharged to the interior of the cabinet, and the oxygen can be completely sealed from the interior of the cabinet is prevented from flowing to the interior of the cabinet.
3. According to the invention, when the top of the first connecting pipe is closed, the air suction fan operates, so that air in the cabinet body can be pumped into the air inlet pipe through the first connecting pipe, the air pressure in the air inlet pipe is increased, the round plug is extruded to move downwards, the round plug is separated from the inner part of the first fixing sleeve, the tension spring II is stretched, meanwhile, the air in the cabinet body can be conveyed into the air storage cylinder, the air pressure above the inner part of the air storage cylinder is increased, the piston II is pushed to move downwards, and then the carbon dioxide below the inner part of the air storage cylinder is pressurized through the extrusion of the piston II, so that the round plug II is separated from the inner part of the second fixing sleeve when the round plug is extruded to move downwards, the tension spring III is stretched, the carbon dioxide in the air storage cylinder can be conveyed into the inner part of the air outlet pipe at the moment, and finally the round plug is conveyed into the inner part of the cabinet body, and the fire is extinguished through the carbon dioxide, and thus the effect of active fire extinguishing can be achieved.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 11, the embodiment of the invention provides an independent partition high-low voltage switch cabinet, which comprises a cabinet body 1, wherein a cabinet door 3 is movably arranged on the front surface of the cabinet body 1, a sealing rubber strip 2 positioned on the inner side of the cabinet door 3 is fixedly connected on the front surface of the cabinet body 1, an air inlet fan 4 is arranged on the left side of the top of the cabinet body 1, a communicating pipe I5 is fixedly communicated with the top of the air inlet fan 4, a communicating pipe II 7 positioned in the cabinet body 1 is fixedly communicated with the bottom of the air inlet fan 4, an air outlet 8 is formed on the outer surface of the communicating pipe II 7, an air suction fan 9 is fixedly arranged on the right side of the top of the cabinet body 1, a connecting pipe I10 is fixedly communicated with the top of the air suction fan 9, a connecting pipe II 11 positioned in the cabinet body 1 is fixedly connected on the bottom of the air suction fan 9, an air suction opening 12 is formed on the outer surface of the connecting pipe II 11, a high-voltage switch element 13 is arranged on the left side in the cabinet body 1, the transformer 14 is arranged in the center of the inside of the cabinet body 1, the low-voltage switch element 15 is arranged on the right side of the inside of the cabinet body 1, the connecting plates 16 are fixedly connected to the two sides of the inner cavity of the cabinet body 1, the copper plate 17 is connected to the inner side of the connecting plates 16, the copper plate two 18 is fixedly connected to the inner side of the copper plate two 18, the copper plate three 19 is fixedly connected to the top of the copper plate three 19, the liquid cylinder 20 is fixedly connected to the top of the copper plate three 19, the copper block 21 positioned in the liquid cylinder 20 is fixedly connected to the top of the liquid cylinder 20, the round tube 22 is fixedly communicated with the round tube 22, the piston one 23 is sleeved in the round tube 22, the round rod 24 is fixedly connected to the round rod 24, the top of the round rod 24 penetrates the round tube 22 and extends to the upper side of the round tube 22 and is fixedly connected with the transverse plate 25, the tension spring one 26 is sleeved on the outer surface of the round rod 24, one end of the tension spring 26 is connected to the top of the round tube 22, the other end of the tension spring I26 is connected with the bottom of the transverse plate 25, two sides of the transverse plate 25 are fixedly connected with round sleeves 27 positioned outside the communicating pipe II 7 and the air extraction fan 9, the inside of each round sleeve 27 is movably sleeved with the outer surfaces of the communicating pipe II 7 and the air extraction fan 9, the inside of the communicating pipe I5 and the inside of the connecting pipe I10 are provided with dust screens 6, and the top of the transverse plate 25 is fixedly connected with round blocks 28.
Due to the design of the sealing rubber strip 2, the gap between the cabinet door 3 and the cabinet body 1 can be sealed, and the sealing performance of the interior of the cabinet body 1 is improved.
Due to the design of the air inlet fan 4 and the air exhaust fan 9, the air flow inside the cabinet body 1 and the air flow outside can form circulation through the cooperation between the air inlet fan 4 and the air exhaust fan 9, so that the circulation of the air flow inside the cabinet body 1 can be accelerated, and a good heat dissipation effect is achieved.
The copper plate one 17, the copper plate two 18, the copper plate three 19 and the copper block 21 have better heat conduction performance, so that the heat transfer efficiency between the copper plates is higher.
Due to the design of the dust screen 6, a good isolation effect can be achieved on dust in the outside air, and a large amount of dust is prevented from entering the inside of the cabinet body 1, so that the operation of the high-voltage switching element 13, the transformer 14 and the low-voltage switching element 15 is prevented from being influenced.
When the air intake fan 4 is used, external cold air can be extracted through the first communicating pipe 5 and conveyed into the cabinet body 1 through the second communicating pipe 7, the air intake fan 9 can be used for extracting hot air in the cabinet body 1 through the second connecting pipe 11 and discharging the hot air to the outside through the first connecting pipe 10, meanwhile, the temperatures received by the first copper plate 17, the second copper plate 18 and the third copper plate 19 are conducted to the copper block 21, mercury in the liquid cylinder 20 is heated and expanded and enters the circular pipe 22, when the temperature in the cabinet body 1 continuously rises, the temperature received by the copper block 21 rises, the mercury continues to expand, the first piston 23, the round rod 24 and the transverse plate 25 are pushed to move upwards, the first tension spring 26 is stretched, the round sleeve 27 can be driven to move upwards due to the movement of the transverse plate 25, the sealing effect of the air outlet 8 and the air outlet 12 is relieved, the section of the second copper plate 18 and the second copper plate 19 can be increased, the air inlet of the outside can be enlarged due to the opening of the air outlet 8, the air outlet can be opened, the air exhaust efficiency of the internal air exhaust cabinet 1 can be increased, and the heat dissipation effect of the internal air exhaust cabinet 1 can be increased due to the opening of the air exhaust opening 12.
As shown in fig. 2 and 6, in one embodiment, two sides of the top of the cabinet body 1 are fixedly connected with a connecting frame 41 positioned outside the first communicating pipe 5 and the first connecting pipe 10, front and rear sides inside the connecting frame 41 are fixedly connected with a limiting rod 29, and the outer surface of the limiting rod 29 is movably sleeved with a sealing plate 30.
The working principle and beneficial effects of the technical scheme are as follows: set up gag lever post 29 and closing plate 30, because gag lever post 29's design can play good spacing effect to closing plate 30, when closing plate 30 along gag lever post 29's outward facing side during the inboard motion, can make closing plate 30 seal the top of communicating pipe one 5 and connecting pipe one 10, can block external air and get into the inside of cabinet body 1 through communicating pipe one 5 this moment, can block the inside gas of cabinet body 1 simultaneously and discharge to the external world through connecting pipe one 10 to can realize totally closing the inside of cabinet body 1, block the inside and external gas circulation of cabinet body 1, prevent that the inside oxygen content of cabinet body 1 from rising and leading to the intensity of a fire to increase.
As shown in fig. 2 to 8, in one embodiment, the top of the cabinet body 1 is fixedly connected with a mounting block 31, two sides of the inside of the mounting block 31 are movably sleeved with a push plate 32, the outside of the push plate 32 penetrates through the mounting block 31 and extends to the outside of the mounting block 31 and is fixedly connected with a sealing plate 30, the inside of the push plate 32 is fixedly connected with a first spring 33 positioned in the inside of the mounting block 31, and the other end of the first spring 33 is fixedly connected with the inside of the inner cavity of the mounting block 31.
The working principle and beneficial effects of the technical scheme are as follows: the push plate 32 is arranged, and when the elastic force of the first spring 33 can be released, the push plate 32 and the sealing plate 30 can be pushed to move outwards along the outer surface of the limiting rod 29 and the first communicating pipe 5 and the first connecting pipe 10 are sealed, so that a good driving effect can be achieved on the sealing plate 30.
As shown in fig. 2 to 8, in one embodiment, a clamping rod 34 is movably clamped inside the push plate 32, the top end of the clamping rod 34 penetrates through the mounting block 31 and extends to the upper side of the mounting block 31 and is fixedly connected with a mounting plate 35, the front and rear sides of the bottom of the mounting plate 35 are fixedly connected with a connecting rod 36, the bottom end of the connecting rod 36 penetrates through the mounting block 31 and extends into an inner cavity at the top of the cabinet body 1 and is fixedly connected with a movable plate 37, the outer surface of the connecting rod 36 is movably sleeved with the inner cavity at the top of the cabinet body 1, and the outer surface of the movable plate 37 is movably sleeved with the inner cavity at the top of the cabinet body 1.
The working principle and beneficial effects of the technical scheme are as follows: when the movable plate 37 moves upwards, the connecting rod 36 can be driven to move upwards along the inner part of the mounting block 31, and the mounting plate 35 and the clamping rod 34 can be driven to ascend due to the movement of the connecting rod 36, and then the clamping rod 34 is separated from the inner part of the push plate 32, so that the fixing effect of the push plate 32 is relieved, and the elastic force of the first spring 33 can be released.
As shown in fig. 2 to 8, in one embodiment, a movable rod 39 is fixedly connected to the bottom of the movable plate 37, and the movable rod 39 penetrates the cabinet 1 and extends into the inner wall of the top of the cabinet 1.
The working principle and beneficial effects of the technical scheme are as follows: when the cross plate 25 drives the round block 28 to move upwards to the maximum extent, the movable rod 39 is arranged, so that the top end of the round block 28 presses and pushes the movable rod 39 and the movable plate 37 to move upwards, and power can be applied to the movable plate 37.
As shown in fig. 2 to 8, in one embodiment, two sides of the top of the movable plate 37 are fixedly connected with a second spring 38, and the other end of the second spring 38 is fixedly connected with the top of the inner cavity of the mounting block 31.
The working principle and beneficial effects of the technical scheme are as follows: when the movable plate 37 moves upwards, the second spring 38 can be compressed, and the movable plate 37 can be subjected to downward thrust due to the elastic restoring action of the second spring 38, so that the subsequent restoring effect of the movable plate 37 is facilitated.
As shown in fig. 6 and fig. 9 to fig. 11, in one embodiment, the back of the first connecting pipe 10 is fixedly connected with an air inlet pipe 40, the other end of the air inlet pipe 40 is fixedly connected with an air reservoir 42, the front of the air reservoir 42 is fixedly connected with the back of the cabinet 1, the bottom end of the air reservoir 42 is fixedly connected with an air outlet pipe 44, and the other end of the air outlet pipe 44 penetrates through the cabinet 1 and extends to the inside of the cabinet 1 and is communicated with the inside of the cabinet 1, and a second piston 43 is movably sleeved in the air reservoir 42.
The working principle and beneficial effects of the technical scheme are as follows: when the top of the first connecting pipe 10 is closed, the second piston 43 is arranged, so that the gas extracted from the first connecting pipe 10 enters the air inlet pipe 40 and enters the air storage cylinder 42 through the air inlet pipe 40, the air pressure above the air storage cylinder 42 is increased, the second piston 43 is pushed to move downwards, and then the carbon dioxide below the second piston 43 is extruded by the second piston 43 to enter the air outlet pipe 44 and is sent into the cabinet 1 through the air outlet pipe 44, and the fire is extinguished through the carbon dioxide in the cabinet 1, so that the active fire extinguishing effect can be achieved.
As shown in fig. 6 and fig. 9 to fig. 11, in one embodiment, a first fixing sleeve 45 is fixedly sleeved in an inner wall of the top of the air storage cylinder 42, a first round plug 46 is movably sleeved in the first fixing sleeve 45, a first fixing plate 47 is fixedly connected to the bottom of the first round plug 46, a second tension spring 48 positioned below the first fixing sleeve 45 is sleeved on the outer surface of the first round plug 46, one end of the second tension spring 48 is connected with the first fixing sleeve 45, and the other end of the second tension spring 48 is connected with the first fixing plate 47.
The working principle and beneficial effects of the technical scheme are as follows: when the air pressure in the air inlet pipe 40 is increased, the first round plug 46 can be pressed to move downwards and separate from the first fixed sleeve 45, and the second tension spring 48 is stretched at the moment, so that the air in the cabinet 1 can be conveyed into the air storage cylinder 42.
As shown in fig. 6 and fig. 9 to fig. 11, in one embodiment, a second fixing sleeve 49 is fixedly sleeved in the inner wall of the bottom of the air storage cylinder 42, a second round plug 50 is movably sleeved in the second fixing sleeve 49, a second fixing plate 51 is fixedly connected to the bottom of the second round plug 50, a third tension spring 52 positioned below the second fixing sleeve 49 is sleeved on the outer surface of the second round plug 50, one end of the third tension spring 52 is connected with the second fixing sleeve 49, and the other end of the third tension spring 52 is connected with the second fixing plate 51.
The working principle and beneficial effects of the technical scheme are as follows: when the carbon dioxide inside the air storage cylinder 42 extrudes the second round plug 50 to move downwards, the second round plug 50 can be separated from the second fixing sleeve 49, the third tension spring 52 is stretched, and meanwhile, the carbon dioxide inside the air storage cylinder 42 can be conveyed into the air outlet pipe 44 and finally enters the cabinet 1.
Working principle and using flow:
during normal operation, the temperature in the cabinet body 1 will make the copper plate one 17, the copper plate two 18 and the copper plate three 19 receive the temperature and will conduct to the copper block 21, the mercury in the liquid cylinder 20 will be heated and expand and get into the inside of the round tube 22 this moment, because the operation of the air inlet fan 4, can extract external air conditioning through the first communicating pipe 5, and send it into the inside of the cabinet body 1 through the second communicating pipe 7, because the operation of the air extraction fan 9, can extract the inside hot air of the cabinet body 1 through the second connecting pipe 11, and discharge it to the outside through the first connecting pipe 10, thereby reach the effect of taking a breath and cooling.
When the temperature in the cabinet body 1 continuously rises, the temperature to which the copper plate I17, the copper plate II 18 and the copper plate III 19 are subjected increases, the temperature to which the copper block 21 is transferred increases, the temperature to which mercury in the liquid cylinder 20 and the round tube 22 is subjected increases to continuously expand, then the piston I23, the round rod 24 and the transverse plate 25 are pushed to move upwards by extrusion, at the moment, the tension spring I26 is stretched, the round sleeve 27 can be driven to move upwards by the movement of the transverse plate 25, the sealing effect of the air outlet 8 and the air extraction opening 12 is relieved, at the moment, the sections of the communicating pipe II 7 and the connecting pipe II 11 can be increased, the external air inflow can be increased by the opening of the air outlet 8, and the air extraction amount in the cabinet body 1 can be increased by the opening of the air extraction opening 12, so that the heat dissipation effect in the cabinet body 1 is improved.
When the inside of the cabinet 1 is in fire, with the continuous air inlet of the second communicating pipe 7, the fire in the cabinet 1 is increased and spread on the first copper plate 17 or the third copper plate 19, so that the first copper plate 17 or the third copper plate 19 is heated and quickly warmed, the temperature is transferred to the copper block 21, the mercury in the liquid cylinder 20 is quickly expanded, the piston one 23, the round rod 24, the transverse plate 25 and the round block 28 are pushed to the maximum movement range, the top end of the round block 28 is pushed to push the movable rod 39 and the movable plate 37 to move upwards, the spring two 38 is simultaneously pushed, the connecting rod 36 is driven to move upwards along the inside of the mounting block 31, the mounting plate 35 and the clamping rod 34 are driven to rise due to the movement of the connecting rod 36, and then the clamping rod 34 is separated from the inside of the push plate 32, so that the fixing effect of the push plate 32 is relieved, at this time, the elastic force of the first spring 33 is released, so that the push plate 32 and the sealing plate 30 can be pushed to move outwards along the outer surface of the limiting rod 29, the sealing plate 30 can seal the top ends of the first communicating pipe 5 and the first connecting pipe 10, at this time, external air can be prevented from entering the cabinet 1 through the first communicating pipe 5, and meanwhile, air in the cabinet 1 can be prevented from being discharged to the outside through the first connecting pipe 10, so that the cabinet 1 can be completely sealed, the oxygen content in the cabinet 1 is prevented from rising, fire is stabilized, the air pressure in the air inlet pipe 40 can be increased by the operation of the air suction fan 9, the air drawn in the cabinet 1 enters the air inlet pipe 40 through the first connecting pipe 10, the first round plug 46 is extruded to move downwards, the air in the cabinet 1 is prevented from being separated from the inside of the first fixing sleeve 45, and the second tension spring 48 is stretched, simultaneously, the gas in the cabinet body 1 can be conveyed into the air storage cylinder 42, so that the air pressure above the air storage cylinder 42 is increased, the piston II 43 is pushed to move downwards, then the carbon dioxide below the inner part of the air storage cylinder 42 is pressed by the extrusion of the piston II 43, when the piston II 50 is pressed to move downwards, the piston II 50 can be separated from the inner part of the fixed sleeve II 49, at the moment, the tension spring III 52 is stretched, and meanwhile, the carbon dioxide in the air storage cylinder 42 can be conveyed into the air outlet pipe 44, finally, the carbon dioxide is conveyed into the cabinet body 1, and the fire is extinguished by the carbon dioxide in the cabinet body 1.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.