CN113993310B - High-efficient explosion-proof structure of gaseous detection terminal of four unification - Google Patents
High-efficient explosion-proof structure of gaseous detection terminal of four unification Download PDFInfo
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- CN113993310B CN113993310B CN202111134088.2A CN202111134088A CN113993310B CN 113993310 B CN113993310 B CN 113993310B CN 202111134088 A CN202111134088 A CN 202111134088A CN 113993310 B CN113993310 B CN 113993310B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- H—ELECTRICITY
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a high-efficiency explosion-proof structure of a four-in-one gas detection terminal, which comprises an outer shell and an explosion-proof inner shell fixedly embedded in the outer shell, wherein an explosion-proof plate and a fixed plate are arranged in the explosion-proof inner shell from top to bottom at intervals, a detection cavity, a control cavity and a storage cavity are sequentially formed in the explosion-proof inner shell by the explosion-proof plate and the fixed plate, a separation frame is arranged in the center of the detection cavity, and a gas detection mechanism is arranged in the separation frame. According to the invention, the detection work of the gas is arranged in the detection cavity, if explosion occurs in the detection cavity, the shock wave generated by the explosion can directly act on the sealing plate in the sealing assembly and the movable plate in the buffer assembly, so that the sealing plate moves upwards along the direction of the fixed column until the sealing plate seals the air inlet pipe, the subsequent condition of interlinking explosion is avoided, the movable plate is acted on the movable plate and the second springs due to the impact force generated by the explosion, and the impact force is relieved and buffered.
Description
Technical Field
The invention relates to the technical field of gas detection terminals, in particular to a high-efficiency explosion-proof structure of a four-in-one gas detection terminal.
Background
In the conventional electrochemical gas detector, the sensing head needs to be replaced periodically in the process of actually detecting the gas concentration, and because the gas sensitive material packaged in the sensing head generates electrochemical reaction after contacting the gas to be detected, the reaction is slow, the self consumption can be carried out, the service life of the sensing head is influenced, the difficulty is also increased for gas detection work, and when the electrochemical gas detector terminal is adopted for gas detection, such as detecting the methane concentration in an urban drainage pipe network, monitoring the gas, the natural gas leakage and other detection environments in the environment with high air humidity, the detection terminal needs to have explosion-proof performance.
The traditional four-in-one gas detection terminal generally enables the detection terminal to have certain explosion-proof performance through the sealed explosion-proof shell, but the sealing performance of the shell is poor, so that the explosion-proof effect is general, weak current transmission still exists between a main control board and a detection sensor which are arranged inside the detection terminal, and if the situation of short circuit occurs, explosive gas enters the shell through a gap, so that explosion is very easy to cause.
Therefore, the invention discloses a high-efficiency explosion-proof structure of a four-in-one gas detection terminal.
Disclosure of Invention
Therefore, the invention provides a high-efficiency explosion-proof structure of a four-in-one gas detection terminal, which is characterized in that an explosion-proof inner shell is fixedly embedded in an outer shell, a detection cavity, a control cavity and a storage cavity are arranged in the explosion-proof inner shell, a sealing component and a buffer component are arranged in the detection cavity, and the detection work of gas is arranged in the detection cavity, so that the problems of poor sealing performance and general explosion-proof effect of a traditional four-in-one gas detection terminal are solved.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a high-efficient explosion-proof structure of gaseous detection terminal of four unification, includes the shell, fixedly inlays the explosion-proof inner shell of establishing in the shell inside, explosion-proof inner shell is inside to be provided with explosion-proof board and fixed plate from top to bottom at the interval, by explosion-proof board and fixed plate form detection chamber, control chamber and storage chamber in proper order in explosion-proof inner shell inside, detection chamber one side is provided with the mounting panel, the mounting panel with detect chamber assorted just the mounting panel is connected with explosion-proof inner shell through a plurality of bolts, detect intracavity portion central authorities department is provided with the separation frame, the separation frame is inside to be provided with gaseous detection mechanism, the separation frame both sides are provided with the fly leaf respectively, by two fly leaf, explosion-proof board and separation frame form two buffer chambers in the separation frame both sides, buffer chamber inside is provided with buffer assembly, the shell top is provided with the intake pipe, the intake pipe runs through shell and explosion-proof inner shell and extends to detection chamber inside and communicates with each other with the detection chamber, buffer chamber inside top is provided with seal assembly, seal assembly's position corresponds with the position of intake pipe.
Preferably, the gas detection mechanism comprises a detection circuit board, be provided with four detection components on the detection circuit board, detection component includes insulating sleeve, insulating sleeve bottom and detection circuit board fixed connection, the inside cover of insulating sleeve is equipped with first signal post, first signal post and detection circuit board electric connection, insulating sleeve inside is provided with first spring, first spring cover is established in first signal post outside, first signal post top is provided with the signal piece, first spring top and signal piece fixed connection, first spring bottom and detection circuit board fixed connection, insulating sleeve top is provided with detection sensor, detection sensor bottom fixedly connected with mount pad just mount pad and insulating sleeve threaded connection, the mount pad bottom is connected with the second signal post just second signal post and detection sensor electric connection, signal piece up end and lower terminal surface respectively with second signal post and first signal post butt.
Preferably, the buffer assembly comprises a plurality of second springs, the bottom of each second spring is provided with a partition plate, a filling cavity is formed at the bottom end of the inside of the buffer cavity by the partition plate, the explosion-proof plates and the separation frame, limiting grooves are formed in two sides of the separation frame and two sides of the explosion-proof plates, movable blocks are embedded in the limiting grooves, the movable blocks are fixedly connected with the movable plates, the bottom of each second spring is fixedly connected with the partition plate, and the top of each second spring is fixedly connected with the movable plates.
Preferably, the sealing component comprises two fixed columns, fixed column one side is provided with the closing plate, the fixed column runs through the closing plate and extends to the closing plate bottom, the mounting groove has been seted up on the fixed column, the inside third spring that is provided with of mounting groove, third spring one side is provided with movable fixture block, a fixed column fixed connection of third spring one end, the fixed column other end and movable fixture block fixed connection, movable fixture block inlays and establishes inside the mounting groove, the one end that the fixed column was kept away from to movable fixture block is provided with the radian breach, the breach terminal surface is smooth setting, fixed column bottom fixedly connected with snap ring, snap ring and closing plate butt.
Preferably, the control chamber is inside to be provided with the main control board, the position department that corresponds the separation frame on the explosion-proof board and the central point department on the fixed plate all are provided with explosion-proof seal interface, explosion-proof seal interface includes the sleeve pipe, the sleeve pipe runs through the explosion-proof board and extends to the explosion-proof board both sides, the inside wire that is provided with of sleeve pipe, the inside epoxy that is provided with of sleeve pipe is filled and is plugged through explosion-proof cement.
Preferably, a storage battery is arranged in the storage cavity, the output end of the storage battery is connected with the main control board through a wire, and the output end of the main control board is electrically connected with the detection circuit board through a wire.
Preferably, the separation frame is internally provided with a locating plate, the locating plate is arranged above the detection circuit board, and the tops of the insulating sleeves in the four detection assemblies penetrate through the detection locating plate and extend to the upper part of the locating plate.
Preferably, a plurality of through grooves are formed in the blocking frame, the top of the sleeve extends to the inside of the through grooves, the detection sensor is embedded in the inside of the through grooves, and two rotary grooves are formed in the detection sensor.
Preferably, a cover body is arranged on one side of the shell, a display screen and keys are embedded in the cover body, the display screen and the keys are respectively and electrically connected with the main control board, and a plurality of bolts of the cover body barrel are fixedly connected with the shell.
Preferably, the buffer assembly further comprises two connecting rods, the bottom of each connecting rod is provided with a supporting plate, an embedded groove is formed in each supporting plate, two movable seats are movably arranged in each embedded groove, connecting columns are fixedly connected to one side of each movable seat, limiting cylinders matched with the corresponding connecting columns are arranged between the movable seats, the limiting cylinders are fixedly arranged inside the embedded grooves, fourth springs are sleeved inside the limiting cylinders, two ends of each fourth spring are fixedly connected with the connecting columns on one side of each movable seat respectively, a first connecting groove is formed in each movable seat, two second connecting grooves are formed in the bottoms of the movable plates, two ends of each connecting rod extend into the corresponding first connecting grooves and the corresponding second connecting grooves respectively, and two ends of each connecting rod are connected with the corresponding movable seat and each movable plate respectively through rotary connecting pieces.
The beneficial effects of the invention are as follows:
1. according to the invention, the explosion-proof inner shell is fixedly embedded in the outer shell, the detection cavity, the control cavity and the storage cavity are arranged in the explosion-proof inner shell, the sealing component and the buffer component are arranged in the detection cavity, and the detection work of gas is arranged in the detection cavity, so that if the conditions of circuit and electric leakage occur, the explosion in the detection cavity is controlled, the explosion degree and the impact force are avoided as much as possible, if the explosion occurs in the detection cavity, the impact wave generated by the explosion can directly act on the sealing plate in the sealing component and the movable plate in the buffer component, so that the sealing plate moves upwards along the direction of the fixed column until the sealing plate seals the air inlet pipe, the outside air is isolated from entering the detection cavity, and further, the subsequent continuous explosion is avoided, and the impact force generated when the movable plate is subjected to the explosion acts on the movable plate and the second springs, so that the impact force is relieved.
2. According to the invention, the detection assembly is arranged in the detection cavity, the detection circuit board is arranged in the isolation frame, the plurality of first signal columns are arranged on the detection circuit board and are covered by the insulating sleeve, the mounting seat is arranged at the bottom of the detection sensor, the second signal column is arranged at the bottom of the detection sensor, the detection sensor is in threaded connection with the insulating sleeve through the mounting seat until the detection sensor is embedded in the through groove on the isolation frame, the second signal column is abutted with the signal sheet and pushes the signal sheet to compress the first spring in the process of moving downwards along the insulating sleeve until the second signal column is electrically connected with the first signal column through the signal sheet, the insulating sleeve is arranged to completely seal the connection of the detection sensor and the detection circuit board, the connection circuit and the detection circuit board are prevented from being directly exposed in detection gas, the situation of electric leakage is reduced, meanwhile, the detection sensor can be flexibly replaced according to the gas to be detected, and the whole and practicability and usability of the four-gas are improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-efficiency explosion-proof structure of a four-in-one gas detection terminal provided by the invention;
FIG. 2 is an explosion diagram of the high-efficiency explosion-proof structure of the four-in-one gas detection terminal provided by the invention;
FIG. 3 is an exploded view of a part of the structure of the gas detection mechanism provided by the present invention;
FIG. 4 is a cross-sectional view of a high-efficiency explosion-proof structure of a four-in-one gas detection terminal provided by the invention;
FIG. 5 is an enlarged view of the portion A of FIG. 2 provided by the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 4 provided by the present invention;
FIG. 7 is an enlarged view of FIG. 4 at C provided in the present invention;
FIG. 8 is a schematic structural view of embodiment 2 provided by the present invention;
fig. 9 is an enlarged view of D in fig. 8 provided by the present invention.
In the figure: 1. a housing; 2. an explosion-proof inner case; 3. an explosion-proof plate; 4. a fixing plate; 5. a detection chamber; 6. a control chamber; 7. a storage chamber; 8. a mounting plate; 9. a barrier frame; 10. a gas detection mechanism; 11. a movable plate; 12. A buffer assembly; 13. an air inlet pipe; 14. a seal assembly; 15. a detection circuit board; 16. a detection assembly; 17. An insulating sleeve; 18. a first signal post; 19. a first spring; 20. a signal sheet; 21. a detection sensor; 22. a mounting base; 23. a second signal post; 24. a second spring; 25. a partition panel; 26. a first filling chamber; 27. a limit groove; 28. a movable block; 29. fixing the column; 30. a sealing plate; 31. a mounting groove; 32. a third spring; 33. a movable clamping block; 34. a clasp; 35. a main control board; 36. a sleeve; 37. a storage battery; 38. A positioning plate; 39. a second connecting groove; 40. a rotary groove; 41. a cover body; 42. a display screen; 43. a key; 44. a connecting rod; 45. a support plate; 46. an embedding groove; 47. a movable seat; 48. a connecting column; 49. a limiting cylinder; 50. a fourth spring; 51. a first connecting groove.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1-2, the invention provides a four-in-one gas detection terminal efficient explosion-proof structure, which comprises an outer shell 1 and an explosion-proof inner shell 2 fixedly embedded in the outer shell 1, wherein an explosion-proof plate 3 and a fixed plate 4 are arranged in the explosion-proof inner shell 2 from top to bottom at intervals, a detection cavity 5, a control cavity 6 and a storage cavity 7 are sequentially formed in the explosion-proof inner shell 2 by the explosion-proof plate 3 and the fixed plate 4, one side of the detection cavity 5 is provided with a mounting plate 8, the mounting plate 8 is matched with the detection cavity 5 and is connected with the explosion-proof inner shell 2 through a plurality of bolts, a baffle frame 9 is arranged in the center of the inside of the detection cavity 5, a gas detection mechanism 10 is arranged in the baffle frame 9, two sides of the baffle frame 9 are respectively provided with two buffer cavities formed in the two sides of the baffle frame 9 by the movable plate 11, the explosion-proof plate 3, the baffle frame 9, a buffer component 12 is arranged in the buffer cavity, an air inlet pipe 13 is arranged at the top of the outer shell 1, the air inlet pipe 13 penetrates through the outer shell 1 and the explosion-proof inner shell 2 and extends to the detection cavity 5 to the inside the detection cavity 5, and the position of the air inlet pipe 13 is corresponding to the position of the buffer component 14, and the position of the sealing component 14 is arranged in the sealing component is corresponding to the position of the top end 14.
The invention fixedly embeds the explosion-proof inner shell 2 in the outer shell 1, and sets the detecting cavity 5, the control cavity 6 and the storage cavity 7 in the explosion-proof inner shell 2, the sealing component 14 and the buffer component 12 are set in the detecting cavity 5, the explosion is controlled in the detecting cavity 5 if the circuit and the electric leakage occur, the explosion degree and the impact force are avoided as far as possible, the impact wave generated by the explosion directly acts on the sealing board 30 in the sealing component 14 and the movable board 11 in the buffer component 12 if the explosion occurs in the detecting cavity 5, the sealing board 30 moves along the direction of the fixed column 29 until the sealing board 30 seals the air inlet pipe 13, the external air is isolated from entering the detecting cavity 5, the subsequent continuous explosion is avoided, the impact force generated when the movable plate 11 is exploded acts on the movable plate 11 and the plurality of second springs 24, so as to buffer the impact force, by arranging the detection assembly 16 inside the detection cavity 5, arranging the detection circuit board 15 inside the blocking frame 9, arranging the plurality of first signal columns 18 on the detection circuit board 15 and coating the first signal columns 18 through the insulating sleeve 17, arranging the mounting seat 22 at the bottom of the detection sensor 21 and arranging the second signal columns 23 at the bottom of the detection sensor 21, connecting the detection sensor 21 with the insulating sleeve 17 through the mounting seat 22 in a threaded manner, connecting the detection sensor 21 with the detection circuit board 15 through a special connecting structure of the insulating sleeve 17, the springs, the first signal columns 18, the second signal columns 23, the signal sheets 20 and the mounting seat 22, so as to flexibly replace the detection sensor 21, the required detection sensor 21 is replaced according to the gas to be detected, thereby improving the practicality, applicability and usability of the four-in-one gas as a whole.
Referring to fig. 3-7, further, the gas detection mechanism 10 includes a detection circuit board 15, four detection components 16 are disposed on the detection circuit board 15, the detection components 16 include an insulating sleeve 17, the bottom of the insulating sleeve 17 is fixedly connected with the detection circuit board 15, a first signal column 18 is sleeved inside the insulating sleeve 17, the first signal column 18 is electrically connected with the detection circuit board 15, a first spring 19 is disposed inside the insulating sleeve 17, the first spring 19 is sleeved outside the first signal column 18, a signal piece 20 is disposed at the top of the first signal column 18, the top of the first spring 19 is fixedly connected with the signal piece 20, the bottom of the first spring 19 is fixedly connected with the detection circuit board 15, a detection sensor 21 is disposed at the top of the insulating sleeve 17, the bottom of the detection sensor 21 is fixedly connected with a mounting seat 22, the bottom of the mounting seat 22 is connected with a second signal column 23, the second signal column 23 is electrically connected with the detection sensor 21, the upper end face of the first signal column 20 is in contact with the second signal column 21, and the lower end face of the second signal column 21 is in contact with the first groove 21, and the second groove 21 is respectively connected with the second groove 21 through the first groove and the second groove, and the second groove is formed in the groove, and the groove is formed in the groove is in the groove, and is in the groove;
the four detection components 16 are arranged on the detection circuit board 15, the four detection components 16 comprise four different detection sensors 21, it can be known that the traditional four-in-one gas monitoring is usually used for detecting oxygen, hydrogen sulfide, carbon monoxide and combustible gas, because the four first signal columns 18 are electrically connected on the detection circuit board 15, and the insulating sleeves 17 are sleeved outside the first signal columns 18, because the bottom of the detection sensor 21 is fixedly connected with the mounting seat 22, the bottom of the mounting seat 22 is provided with the second signal columns 23, the second signal columns 23 can be sleeved at the bottom of the mounting seat 22 and electrically connected with the detection sensor 21, the insulating sleeves 17 are internally provided with springs, when the detection sensor 21 is required to be connected with the detection circuit board 15, the detection sensor 21 is connected with the insulating sleeves 17 through the mounting seat 22, namely, the detection sensor 21 is forced to drive the mounting seat 22 to rotate, the mounting seat 22 is in threaded connection with the insulating sleeve 17, the detection sensor 21 can be further mounted on the insulating sleeve 17, the mounting seat 22 rotates, the detection sensor 21 is in threaded connection with the insulating sleeve 17 through the mounting seat 22 until the detection sensor 21 is embedded into a through groove on the baffle frame 9, the second signal column 23 is abutted with the signal sheet 20 and pushes the signal sheet 20 to compress the first spring 19 in the process of moving downwards along the insulating sleeve 17 until the second signal column 23 is in electrical connection with the first signal column 18 through the signal sheet 20, the connection of the detection sensor 21 and the detection circuit board 15 is completely sealed by the arrangement of the insulating sleeve 17, the condition that a connecting circuit and the detection circuit board 15 are directly in detection gas is avoided, the condition of electric leakage is reduced, the detection sensor 21 can be flexibly replaced by adopting the method, according to the gas that actually needs to detect, change and correspond required detection sensor 21 for current detection terminal can satisfy the detection work of gas that awaits measuring, thereby the holistic practicality of tetrad gas, suitability and usability have been improved, when installing detection sensor 21, because offered a plurality of logical grooves on the spacer frame 9, after the installation, with the whole embedding of detection sensor 21 logical inslot, make detection sensor 21 up end and spacer frame 9 up end, be in same horizontal plane, make the connection of detection sensor 21 and detection circuit board 15 seal the setting entirely, avoid connecting circuit and detection circuit board 15 directly to expose in the detection gas, reduce the condition that takes place the electric leakage, two rotary slots 40 that set up on the detection sensor 21 are convenient for apply force to detection sensor 21, be convenient for be connected detection sensor 21 through mount pad 22 and insulating sleeve 17 promptly.
Further, the buffer assembly 12 includes a plurality of second springs 24, a partition plate 25 is disposed at the bottom of the second springs 24, a filling cavity 26 is formed at the bottom end of the buffer cavity by the partition plate 25, the explosion-proof plate 3 and the blocking frame 9, limiting grooves 27 are formed on both sides of the blocking frame 9 and both sides of the explosion-proof plate 3, movable blocks 28 are embedded in the limiting grooves 27, the movable blocks 28 are fixedly connected with the movable plates 11, the bottom of the second springs 24 is fixedly connected with the partition plate 25, and the top of the second springs 24 is fixedly connected with the movable plates 11;
two buffer cavities are formed on two sides of the separation frame 9 by the movable plate 11, the explosion-proof plate 3 and the separation frame 9, the buffer components 12 are arranged in the buffer cavities, and the detection work of gas is arranged in the detection cavities 5, so that if the conditions of a circuit and electric leakage occur, the explosion-occurring place is only in the detection cavities 5, the explosion is controlled in the detection cavities 5, the explosion-avoiding degree and the impact force are avoided as much as possible, and the buffer components 12 are arranged in the detection cavities 5, so that when the explosion occurs in the interior, the volume of the detection cavities 5 is fixed, the impact force caused by the explosion can directly act on the movable plate 11, the movable plate 11 is pushed to move downwards and generate thrust to the second springs 24, so that the second springs 24 are compressed, the volume of the detection cavities 5 is enabled to be enlarged, the impact force can be unloaded and buffered, the heat insulating material is filled in the filling cavities 26 for isolating heat, and the heat generated in other cavities in the terminal is prevented from being transferred to the detection cavities 5, and error data generated by the gas detection mechanism 10 to be detected is avoided.
Further, the sealing assembly 14 includes two fixed columns 29, one side of the fixed columns 29 is provided with a sealing plate 30, the fixed columns 29 penetrate through the sealing plate 30 and extend to the bottom of the sealing plate 30, a mounting groove 31 is formed in the fixed columns 29, a third spring 32 is arranged in the mounting groove 31, a movable clamping block 33 is arranged on one side of the third spring 32, one end of the third spring 32 is fixedly connected with the fixed columns 29, the other end of the fixed columns 29 is fixedly connected with the movable clamping block 33, the movable clamping block 33 is embedded in the mounting groove 31, one end, far away from the fixed columns 29, of the movable clamping block 33 is provided with a radian notch, the end face of the notch is smooth, a clamping ring 34 is fixedly connected with the bottom of the fixed columns 29, and the clamping ring 34 is in butt joint with the sealing plate 30;
if explosion happens in the detection cavity 5, shock waves generated by the explosion directly act on the sealing plate 30 in the sealing assembly 14 and the movable plate 11 in the buffer assembly 12, so that the sealing plate 30 moves upwards along the direction of the fixed column 29, as the lower end of the movable clamping block 33 is provided with an arc notch, the arc notch is smooth, and the movable clamping block 33 is pushed to reset and compress the third spring 32 in the upward moving process of the sealing plate 30 until the movable clamping block 33 is completely embedded into the mounting groove 31, then the sealing plate 30 is separated from the movable clamping block 33, the movable clamping block 33 is separated from the mounting groove 31 by the reaction force of the third spring 32 and extends to one side of the fixed column 29, and at the moment, the movable clamping block 33 forms supporting force on the bottom of the sealing plate 30, so that the sealing plate 30 is completely attached to the top of the anti-explosion inner shell 2 and seals the bottom of the air inlet pipe 13, and the sealing plate 30 moves upwards along the direction of the fixed column 29 until the sealing plate 30 seals the air inlet pipe 13, thereby isolating the outside air from entering the detection cavity 5, and further avoiding the condition of subsequent continuous ring explosion.
Further, a main control board 35 is arranged in the control cavity 6, explosion-proof sealing interfaces are arranged at the positions, corresponding to the blocking frame 9, on the explosion-proof plate 3 and at the central position on the fixed plate 4, and each explosion-proof sealing interface comprises a sleeve 36, the sleeve 36 penetrates through the explosion-proof plate 3 and extends to two sides of the explosion-proof plate 3, a wire is arranged in the sleeve 36, and epoxy resin is filled in the sleeve 36 and is blocked by explosion-proof cement;
the main control board 35 is arranged inside the control cavity 6, an explosion-proof sealing interface is arranged between the control cavity 6 and the detection cavity 5, the main control board 35 is connected with the detection circuit board 15 inside the detection cavity 5 through the explosion-proof sealing interface, the sealing degree of the detection cavity 5 is improved to the greatest extent, and the detection circuit board 15 can be controlled through the main control board 35 during operation.
Further, a storage battery 37 is arranged in the storage cavity 7, an output end of the storage battery 37 is connected with the main control board 35 through a wire, and an output end of the main control board 35 is electrically connected with the detection circuit board 15 through a wire;
because the main control board 35 is connected with the detection circuit board 15 through the wire, the detection circuit board 15 is connected with the detection sensor 21 through the insulating sleeve 17, the spring, the first signal column 18, the second signal column 23, the signal sheet 20 and the mounting seat 22, so that the main control board 35, the detection circuit board 15 and the detection sensor 21 can be powered through the storage battery 37, and the detection work can be smoothly performed.
Further, a positioning plate 38 is disposed inside the blocking frame 9, the positioning plate 38 is disposed above the detection circuit board 15, the tops of the insulating sleeves 17 in the four detection components 16 penetrate through the detection positioning plate 38 and extend above the positioning plate 38, and the positioning plate 38 is disposed to position the plurality of detection components 16, so that the fixed installation of the plurality of detection components 16 on the detection circuit board 15 is realized, and meanwhile, the mutual influence between the plurality of detection components 16 is avoided;
further, a cover 41 is arranged on one side of the shell 1, a display screen 42 and a key 43 are embedded in the cover 41, the display screen 42 and the key 43 are respectively electrically connected with the main control panel 35, a plurality of bolts of the cover 41 are fixedly connected with the shell 1, the cover 41 is arranged to seal the shell integrally, the display screen 42 and the key 43 arranged on the cover 41 are convenient for an operator to use the detection terminal body, the main control panel 35 receives detection data signals measured by the detection assembly 16, the detection data signals are displayed on the display screen 42 through the main control panel 35, and the key 43 is arranged to control the main control panel 35.
The application process of the invention is as follows: when the invention is used, the gas to be detected can be determined in advance according to actual requirements, the detection sensor 21 corresponding to the gas to be detected is selected, meanwhile, the detection sensor 21 of the gas to be detected is installed in the detection cavity 5, meanwhile, the smooth connection between the detection sensor 21 of the gas to be detected and the detection circuit board 15 is ensured, the mounting plate 8 is fixedly connected with the explosion-proof inner shell 2, the detection cavity 5 is sealed, then the cover 41 is connected with the outer shell 1, the integral connection of the detection terminal is completed, then the air inlet pump can be installed in the air inlet pipe 13 according to actual requirements for rotation, if so, the main control board 35 is controlled through the key 43 on the cover 41, the detection circuit board 15 and the detection sensor 21 are controlled through the main control board 35 to start the detection of the gas to be detected, the gas to be detected enters the detection cavity 5 through the near air inlet pipe 13, the gas entering the detection cavity 5 directly detects the gas through the detection sensor 21, the detection sensor 21 transmits detected data signals to the detection circuit board 15 through the first signal column 18 and the second signal column 23, the detection circuit board 15 transmits the data signals to the main control board 35 through wires inside the explosion-proof sealing interface, the main control board 35 displays the data signals through the display screen 42, thus workers can directly observe the detection data of the gas through the display screen 42, as the detection work of the gas is arranged inside the detection cavity 5, the explosion is controlled to occur inside the detection cavity 5 if the conditions of a circuit and electric leakage occur, the explosion degree and the impact force are avoided as far as possible if the explosion occurs inside the detection cavity 5, the shock wave generated by explosion can directly act on the sealing plate 30 in the sealing component 14 and the movable plate 11 in the buffer component 12, the sealing component 14 can seal out the recent pipe, the buffer component 12 can unload and buffer the impact force generated by explosion, and even if the detection equipment fails, the safety of the outside can not be influenced.
the buffer assembly 12 further comprises two connecting rods 44, a supporting plate 45 is arranged at the bottom of each connecting rod 44, an embedded groove 46 is formed in each supporting plate 45, two movable seats 47 are movably arranged in each embedded groove 46, connecting columns 48 are fixedly connected to one sides of the movable seats 47, limiting cylinders 49 matched with the connecting columns 48 are arranged between the two movable seats 47, the limiting cylinders 49 are fixedly arranged in the embedded grooves 46, fourth springs 50 are sleeved in the limiting cylinders 49, two ends of each fourth spring 50 are fixedly connected with the connecting columns 48 on one side of each movable seat 47 respectively, first connecting grooves 51 are formed in the corresponding movable seat 47, two second connecting grooves 39 are formed in the bottom of each movable plate 11, two ends of each connecting rod 44 extend into the corresponding first connecting grooves 51 and the corresponding second connecting grooves 39 respectively, and two ends of each connecting rod 44 are connected with the corresponding movable seat 47 and the corresponding movable plate 11 respectively through rotary connecting pieces.
In this embodiment, the buffer assembly 12 adopts connection, the backup pad 45, the mount pad 22, the spacing section of thick bamboo 49 and fourth spring 50, the impact force that the explosion produced directly acts on fly leaf 11, impact force promotes fly leaf 11 to move down, in the in-process that fly leaf 11 moved down, fly leaf 11 applys the pressure to two connecting rods 44, because under the initial condition, connecting rod 44 is in under the inclined state, and then when connecting rod 44 receives the pressure, because two connecting rods 44 link both ends and all are provided with rotary connection spare, make two connecting rods 44 can take place the rotation, promote the mount pad 22 of connecting rod 44 bottom along the direction of embedded groove 46, the mount pad 22 that two connecting rods 44 correspond can carry out each other, and then two mount pads 22 can compress fourth spring 50, because fourth spring 50 sets up in spacing section of thick bamboo 49 inside, the in-process that whole connecting rod 44 moved can produce the energy transmission, simultaneously, the in-process that connecting rod 44 moved also can frictional force, consume the impact force that receives to fly leaf 11, and then can satisfy and unload the impact force that the fly leaf 11 receives to the movable plate 11, compared with the impact force that receives carries out 1, in the buffer assembly's implementation is simple structure, the buffer assembly 12 in the implementation is more convenient, the buffer assembly's simple and easy to install.
The above description is of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (8)
1. A high-efficient explosion-proof structure of gaseous detection terminal of four unification, its characterized in that: the anti-explosion device comprises an outer shell (1) and an anti-explosion inner shell (2) fixedly embedded in the outer shell (1), wherein an anti-explosion plate (3) and a fixing plate (4) are arranged in the anti-explosion inner shell (2) from top to bottom at intervals, a detection cavity (5), a control cavity (6) and a storage cavity (7) are sequentially formed in the anti-explosion inner shell (2) by the anti-explosion plate (3) and the fixing plate (4), one side of the detection cavity (5) is provided with a mounting plate (8), the mounting plate (8) is matched with the detection cavity (5) and the mounting plate (8) is connected with the anti-explosion inner shell (2) through a plurality of bolts, a blocking frame (9) is arranged in the inner center of the detection cavity (5), a gas detection mechanism (10) is arranged in the blocking frame (9), two sides of the blocking frame (9) are respectively provided with two movable plates (11), the anti-explosion plate (3) and the blocking frame (9) are respectively provided with two buffer cavities on two sides, the buffer components (12) are arranged in the buffer cavities, the inner part of the detection cavity is provided with a buffer component (1), the top of the air inlet pipe (1) is extended to the inner shell (13), and the inner shell (5) is communicated with the inner shell (1), the top end inside the buffer cavity is provided with a sealing component (14), and the position of the sealing component (14) corresponds to the position of the air inlet pipe (13);
the gas detection mechanism (10) comprises a detection circuit board (15), four detection components (16) are arranged on the detection circuit board (15), the detection components (16) comprise an insulation sleeve (17), the bottom of the insulation sleeve (17) is fixedly connected with the detection circuit board (15), a first signal column (18) is sleeved inside the insulation sleeve (17), the first signal column (18) is electrically connected with the detection circuit board (15), a first spring (19) is arranged inside the insulation sleeve (17), the first spring (19) is sleeved outside the first signal column (18), a signal sheet (20) is arranged at the top of the first signal column (18), the top of the first spring (19) is fixedly connected with the signal sheet (20), a detection sensor (21) is arranged at the bottom of the insulation sleeve (17), a mounting seat (22) is fixedly connected with the bottom of the detection sensor (21), the mounting seat (22) is electrically connected with the second signal column (23) through the mounting seat (22) and the second signal column (23), the upper end face and the lower end face of the signal sheet (20) are respectively abutted with the second signal column (23) and the first signal column (18);
sealing component (14) are including two fixed columns (29), fixed column (29) one side is provided with closing plate (30), fixed column (29) run through closing plate (30) and extend to closing plate (30) bottom, mounting groove (31) have been seted up on fixed column (29), mounting groove (31) inside is provided with third spring (32), third spring (32) one side is provided with movable fixture block (33), a fixed column (29) fixed connection of third spring (32) one end, fixed column (29) other end and movable fixture block (33) fixed connection, movable fixture block (33) are inlayed and are established inside mounting groove (31), the one end that fixed column (29) was kept away from to movable fixture block (33) is provided with the radian breach, and the breach terminal surface is smooth the setting, fixed column (29) bottom fixedly connected with snap ring (34), snap ring (34) and closing plate (30) butt.
2. The high-efficiency explosion-proof structure of a four-in-one gas detection terminal according to claim 1, wherein: the buffer assembly (12) comprises a plurality of second springs (24), partition plates (25) are arranged at the bottoms of the second springs (24), filling cavities (26) are formed in the bottom ends of the inside of the buffer cavities by the partition plates (25), the explosion-proof plates (3) and the separation frames (9), limit grooves (27) are formed in the two sides of the separation frames (9) and the two sides of the explosion-proof plates (3), movable blocks (28) are embedded in the limit grooves (27), the movable blocks (28) are fixedly connected with the movable plates (11), the bottoms of the second springs (24) are fixedly connected with the partition plates (25), and the tops of the second springs (24) are fixedly connected with the movable plates (11).
3. The high-efficiency explosion-proof structure of a four-in-one gas detection terminal according to claim 1, wherein: the anti-explosion control device is characterized in that a main control board (35) is arranged inside the control cavity (6), anti-explosion sealing interfaces are arranged at the positions of the anti-explosion board (3) corresponding to the blocking frame (9) and the central positions of the fixing board (4), each anti-explosion sealing interface comprises a sleeve (36), the sleeves (36) penetrate through the anti-explosion board (3) and extend to two sides of the anti-explosion board (3), wires are arranged inside the sleeves (36), and epoxy resin is filled in the sleeves (36) and used for plugging through anti-explosion cement.
4. The high-efficiency explosion-proof structure of a four-in-one gas detection terminal according to claim 1, wherein: the storage cavity (7) is internally provided with a storage battery (37), the output end of the storage battery (37) is connected with the main control board (35) through a wire, and the output end of the main control board (35) is electrically connected with the detection circuit board (15) through a wire.
5. The high-efficiency explosion-proof structure of a four-in-one gas detection terminal according to claim 1, wherein: the inside locating plate (38) that is provided with of separation frame (9), locating plate (38) set up in detection circuit board (15) top, four insulating sleeve (17) top in detection subassembly (16) all runs through detection locating plate (38) and extends to locating plate (38) top.
6. The high-efficiency explosion-proof structure of a four-in-one gas detection terminal according to claim 3, wherein: a plurality of through grooves are formed in the blocking frame (9), the top of the sleeve (36) extends to the inside of the through grooves, the detection sensor (21) is embedded in the inside of the through grooves, and two rotary grooves (40) are formed in the detection sensor (21).
7. The high-efficiency explosion-proof structure of a four-in-one gas detection terminal according to claim 1, wherein: the shell (1) one side is provided with lid (41), inlay on lid (41) and be provided with display screen (42) and button (43), display screen (42) and button (43) respectively with main control board (35) electric connection, a plurality of bolts of lid (41) section of thick bamboo and shell (1) fixed connection.
8. The high-efficiency explosion-proof structure of a four-in-one gas detection terminal according to claim 1, wherein: the buffer assembly (12) further comprises two connecting rods (44), the bottom of each connecting rod (44) is provided with a supporting plate (45), each supporting plate (45) is provided with an embedded groove (46), two movable seats (47) are movably arranged in each embedded groove (46), connecting columns (48) are fixedly connected to one side of each movable seat (47), two limiting cylinders (49) matched with the corresponding connecting columns (48) are arranged between the corresponding movable seats (47), the limiting cylinders (49) are fixedly arranged in the embedded grooves (46), fourth springs (50) are sleeved in the limiting cylinders (49), two ends of each fourth spring (50) are fixedly connected with the connecting columns (48) on one side of each movable seat (47), each movable seat (47) is provided with a first connecting groove (51), two second connecting grooves (39) are formed in the bottom of each movable plate (11), two ends of each connecting rod (44) extend to the inside each first connecting groove (51) and each second connecting groove (39), and the two ends of each connecting rod (44) are respectively connected with the corresponding movable plates (47) through rotary connecting pieces.
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