CN112484477B - Dampproofing electric power panel board - Google Patents
Dampproofing electric power panel board Download PDFInfo
- Publication number
- CN112484477B CN112484477B CN202110064290.6A CN202110064290A CN112484477B CN 112484477 B CN112484477 B CN 112484477B CN 202110064290 A CN202110064290 A CN 202110064290A CN 112484477 B CN112484477 B CN 112484477B
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- cavity
- data display
- wall surface
- instrument panel
- fixedly arranged
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229920000742 Cotton Polymers 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 230000000875 corresponding Effects 0.000 claims description 7
- 238000007605 air drying Methods 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000001174 ascending Effects 0.000 claims 1
- 229920002456 HOTAIR Polymers 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000002146 bilateral Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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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
-
- 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
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Abstract
The invention discloses a moistureproof electric instrument panel, which comprises an instrument body, wherein an instrument panel closed cavity with an upward opening is arranged in the upper end surface of the instrument body, an annular and upward extending waterproof sleeve is fixedly arranged on the lower wall surface of the instrument panel closed cavity, a detachable instrument panel closed plate is arranged at the upper end of the waterproof sleeve, and the waterproof sleeve can be sealed by the instrument panel closed plate. Is convenient for people to observe.
Description
Technical Field
The invention relates to the field of electric instrument panels, in particular to a moisture-proof electric instrument panel.
Background
The power instrument panel can timely and visually display the running state of equipment, the existing power instrument panel is generally made into a split type, so that later-period installation is facilitated, meanwhile, water vapor is easily caused to enter the instrument panel, further, internal electronic elements are damaged, the service life of the power instrument panel is not prolonged, meanwhile, fog is easily formed on an instrument panel sealing plate, the observation by personnel is not facilitated, the existing instrument panel has the defect of light reflection, and the observation of data indicated by an instrument panel pointer is not facilitated.
Disclosure of Invention
In order to solve the problems, the moistureproof electric power instrument panel is designed in the embodiment, the moistureproof electric power instrument panel comprises a body, an instrument panel closed cavity with an upward opening is arranged in the upper end face of the body, an annular waterproof sleeve extending upwards is fixedly arranged on the lower wall face of the instrument panel closed cavity, a dismountable instrument panel closed plate is arranged at the upper end of the waterproof sleeve, the waterproof sleeve can be sealed by the instrument panel closed plate, a data display cavity extending downwards is communicated with the lower wall face of the instrument panel closed cavity on the inner side of the waterproof sleeve, a driving cavity is arranged on the lower side of the data display cavity, a pointer rotating shaft extending to the inner part of the data display cavity is rotatably arranged on the upper wall face of the driving cavity, a piston cavity is arranged in the body on the right side of the data display cavity, and a piston capable of reciprocating sliding left and right is arranged, a centrifugal trigger cavity is arranged on the upper side of the piston cavity, a centrifugal trigger device is arranged in the centrifugal trigger cavity, a gas drying cavity is arranged on the upper right side of the centrifugal trigger cavity, a gas heating device is arranged in the gas drying cavity, an annular gas uniform cavity is arranged on the lower side of the instrument panel closed cavity and can uniformly distribute heated gas, eight annular array drainage pipelines are communicated between the lower wall surface of one side of the instrument panel closed cavity, which is far away from the axis of the pointer rotating shaft, and the outer end surface of the machine body, eight annular array water vapor test pipelines are communicated between the lower wall surface of the gas uniform cavity and the drainage pipelines on the same side, a moisture removal trigger device is arranged in the water vapor test pipelines, a data display disk is fixedly arranged on the inner wall surface of the upper side of the data display cavity, and a through hole is communicated between the upper end surface and the lower end surface of, the pointer rotating shaft can penetrate through the through hole and extend upwards, a major arc-shaped data display cavity is communicated between the upper end surface and the lower end surface of one side of the data display disc, which is far away from the pointer rotating shaft, a scale indication cavity with a plurality of annular arrays is communicated between the upper end surface and the lower end surface of the data display disc, which corresponds to the data display cavity and is close to the axis of the pointer rotating shaft, scale fluorescent plates are fixedly arranged on the inner wall surfaces of the scale indication cavities, a data display fluorescent plate is fixedly arranged on the inner wall surface of the data display cavity, a digital display is arranged on the upper end surface of the data display fluorescent plate, a light shielding plate is fixedly arranged on the outer circular surface of the pointer rotating shaft on the lower side of the data display disc, a light guide hole is communicated between the upper end surface and the lower end surface of the light, the upper end of the light guide plate is in contact with the lower end face of the data display disc in a disconnection mode.
But preferably, the wall rotates the power input shaft that is equipped with downwardly extending under the drive chamber right side, the fixed pointer oscillating gear that is equipped with of power input shaft up end, the fixed straight-teeth gear that is equipped with of terminal surface under the pointer pivot can with pointer oscillating gear intermeshing, the light screen downside the fixed lighting circuit board that is equipped with of data show intracavity face, the fixed light that is equipped with evenly distributed of lighting circuit board up end.
Preferably, the wall rotates under the centrifugal trigger chamber and is equipped with the bent axle that runs through wall and continuation downwardly extending about the piston chamber, the bent axle lower extreme corresponds the position the inside fixed air feed motor that is equipped with of organism, air feed motor up end with bent axle lower extreme power is connected, is located inside the piston chamber the outer disc hinged joint of bent axle has the connecting rod that extends right, the connecting rod right-hand member with piston left end face hinged joint, the intercommunication is equipped with the breathing pipe between piston chamber right side wall and the external world, piston chamber right side wall with the intercommunication is equipped with the outlet duct under the gas stoving chamber between the wall, is close to piston chamber one side the breathing pipe with the fixed check valve that is equipped with of outlet duct internal face.
Preferably, a heating power grid is fixedly arranged on the inner wall surface of the gas drying cavity, a heating control switch is fixedly arranged on the inner wall surface of the centrifugal trigger cavity, a power supply lead is fixedly connected between the heating control switch and the heating power grid, a centrifugal disc is fixedly arranged at the upper end of the crankshaft, the centrifugal disc is far away from a side end surface of the crankshaft axis and is communicated with a contact which is arranged in bilateral symmetry and has an outward opening to store the cavity, the contact is arranged on the inner wall surface of the cavity and is provided with a contact which can move along the axis of the crankshaft or can be far away from the axis of the crankshaft, the contact is close to one side end surface of the crankshaft axis and the same side, the contact is arranged on the side wall surface of the crankshaft axis and is fixedly provided with a centrifugal spring.
Preferably, the upper wall surface of the gas drying cavity is communicated with a split hot gas conveying pipe, one end of the hot gas conveying pipe is communicated with the inner wall surface of the data display cavity, the other end of the hot gas conveying pipe is communicated with the upper wall surface of the gas uniform cavity, bilaterally symmetrical instrument panel pressure relief channels are communicated between the inner surface and the outer circumferential surface of the waterproof sleeve, and instrument panel pressure relief one-way valves are fixedly arranged inside the instrument panel pressure relief channels on the left side and the right side.
Preferably, the inner wall surface of the upper end of the water vapor test pipeline is fixedly provided with a monitoring positioning rod, the lower end of the monitoring positioning rod is fixedly provided with memory expansion cotton, the memory expansion cotton can expand after absorbing water, an annular detection ring is fixedly arranged on the inner wall surface of the water vapor test pipeline at the lower side of the monitoring positioning rod, four supporting rods in annular array are fixedly arranged on the inner circular surface of the detection ring, a contact pressing block is fixedly arranged at one end of each of the four supporting rods, which is close to each other, the upper end surface of the touch pressure block is provided with a touch pressure cavity with an upward opening, the inner wall surface of the touch pressure cavity is fixedly provided with an area induction controller, the inner wall surface of the touch pressure cavity is provided with a touch pressure driving block capable of sliding up and down, a reset spring is fixedly arranged between the lower end surface of the touch pressure driving block and the lower wall surface of the touch pressure cavity at the same side, and the upper end surface of the touch pressure driving block is abutted against the lower end surface of the memory expansion cotton at the same side.
The invention has the beneficial effects that: according to the invention, through carrying out secondary monitoring on water vapor, external air is timely sucked and the water vapor in the instrument panel and the drainage pipeline is processed, so that the damage of the water vapor to the internal mechanism of the instrument panel is effectively prevented, meanwhile, the fog formed on the end face of the closed plate of the instrument panel can be removed, the observation of the data of the instrument panel is facilitated, meanwhile, the light shielding plate rotating synchronously with the pointer is utilized to effectively shield light, the sharp contrast between the pointer indication area and other parts is caused, and the observation by personnel is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
FIG. 4 is an enlarged schematic view of C in FIG. 1;
FIG. 5 is an enlarged schematic view of D of FIG. 1;
FIG. 6 is an enlarged schematic view of E in FIG. 1;
fig. 7 is a schematic view of the structure of F-F in fig. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The moisture-proof electric power instrument panel comprises an instrument body 11, an instrument panel closed cavity 12 with an upward opening is arranged in the upper end face of the instrument panel closed cavity 11, an annular waterproof sleeve 13 extending upwards is fixedly arranged on the lower wall face of the instrument panel closed cavity 12, a detachable instrument panel closed plate 14 is arranged at the upper end of the waterproof sleeve 13, the waterproof sleeve 13 can be sealed by the instrument panel closed plate 14, a data display cavity 15 extending downwards is communicated with the lower wall face of the instrument panel closed cavity 12 on the inner side of the waterproof sleeve 13, a driving cavity 18 is arranged on the lower side of the data display cavity 15, a pointer rotating shaft 19 extending into the data display cavity 15 is rotatably arranged on the upper wall face of the driving cavity 18, a piston cavity 50 is arranged in the instrument body 11 on the right side of the data display cavity 15, and a piston 63 capable of reciprocating left and right sliding is arranged on the inner wall face of the piston cavity, a centrifugal trigger cavity 52 is arranged on the upper side of the piston cavity 50, a centrifugal trigger device is arranged in the centrifugal trigger cavity 52, a gas drying cavity 48 is arranged on the upper right side of the centrifugal trigger cavity 52, a gas heating device is arranged in the gas drying cavity 48, an annular gas equalizing cavity 35 is arranged on the lower side of the instrument panel closed cavity 12, the heated gas can be uniformly distributed in the gas equalizing cavity 35, eight annular array drainage pipelines 33 are communicated between the lower wall surface of the instrument panel closed cavity 12 on the side away from the axis of the pointer rotating shaft 19 and the outer end surface of the machine body 11, eight annular array steam test pipelines 34 are communicated between the lower wall surface of the gas equalizing cavity 35 and the drainage pipeline 33 on the same side, a dehumidification trigger device is arranged in the steam test pipeline 34, and a data display disc 24 is fixedly arranged on the inner wall surface of the upper side of the data display cavity 15, a through hole 25 is communicated and arranged between the upper end surface and the lower end surface of the circle center of the data display disc 24, the pointer rotating shaft 19 can penetrate through the through hole 25 and extend upwards, the data display disc 24 is far away from the upper end surface and the lower end surface of one side of the pointer rotating shaft 19, a major arc-shaped data display cavity 29 is communicated and arranged between the upper end surface and the lower end surface of the data display disc 24, the position corresponding to the data display cavity 29 is close to one side of the axis center of the pointer rotating shaft 19, a plurality of annular array scale indication cavities 27 are communicated and arranged between the upper end surface and the lower end surface of the data display disc 24, scale fluorescent plates 28 are fixedly arranged on the inner wall surfaces of the scale indication cavities 27, a data display fluorescent plate 30 is fixedly arranged on the inner wall surface of the data display cavity 29, a digital display is arranged on the upper end surface of the data display fluorescent plate 30, a light shielding plate 23, the upper end surface of the light shielding plate 23 is fixedly provided with a light guide plate 32 at a position corresponding to the light guide hole 31, and the upper end of the light guide plate 32 is disconnected from the lower end surface of the data display disc 24.
Beneficially, the wall surface rotates under drive chamber 18 right side and is equipped with downwardly extending's power input shaft 21, the fixed pointer swing gear 22 that is equipped with of power input shaft 21 up end, the fixed spur gear 20 that can with pointer swing gear 22 intermeshing that is equipped with of pointer pivot 19 lower extreme face, light screen 23 downside the fixed lighting circuit board 16 that is equipped with of data show chamber 15 internal face, the fixed light 17 that is equipped with evenly distributed of lighting circuit board 16 up end.
Beneficially, a crankshaft 51 which penetrates through the upper wall surface and the lower wall surface of the piston cavity 50 and continues to extend downwards is rotatably arranged on the lower wall surface of the centrifugal trigger cavity 52, an air supply motor 49 is fixedly arranged inside the machine body 11 at a position corresponding to the lower end of the crankshaft 51, the upper end surface of the air supply motor 49 is in power connection with the lower end of the crankshaft 51, a connecting rod 64 which extends rightwards is hinged to the outer circular surface of the crankshaft 51 and is located inside the piston cavity 50, the right end of the connecting rod 64 is hinged to the left end surface of the piston 63, an air suction pipe 60 is communicated between the right wall surface of the piston cavity 50 and the outside, an air outlet pipe 61 is communicated between the right wall surface of the piston cavity 50 and the lower wall surface of the air drying cavity 48, and a check valve 62 is fixedly.
Advantageously, a heating power grid 58 is fixedly arranged on the inner wall surface of the gas drying cavity 48, a heating control switch 57 is fixedly arranged on the inner wall surface of the centrifugal trigger cavity 52, a power supply lead 59 is fixedly connected between the heating control switch 57 and the heating power grid 58, a centrifugal disc 53 is fixedly arranged at the upper end of the crankshaft 51, a contact storage cavity 54 which is symmetrical left and right and has an outward opening is communicated with the end surface of one side of the centrifugal disc 53 far away from the axis of the crankshaft 51, the inner wall surface of the contact storing chamber 54 is provided with a contact 56 capable of moving along the axis close to or far from the crankshaft 51, a centrifugal spring 55 is fixedly arranged between the end surface of the contact 56 close to the shaft center of the crankshaft 51 and the wall surface of the contact storage cavity 54 close to the shaft center of the crankshaft 51 on the same side, when the contact 56 and the heating control switch 57 are in contact with each other, the heating grid 58 can be energized through the power supply line 59.
Beneficially, the upper wall surface of the gas drying cavity 48 is communicated with a split hot gas delivery pipe 47, one end of the hot gas delivery pipe 47 is communicated with the inner wall surface of the data display cavity 15, the other end of the hot gas delivery pipe 47 is communicated with the upper wall surface of the gas uniform distribution cavity 35, the instrument panel pressure relief channels 36 which are symmetrical left and right are communicated between the inner and outer circular surfaces of the waterproof sleeve 13, and instrument panel pressure relief check valves 37 are fixedly arranged inside the instrument panel pressure relief channels 36 on the left and right sides.
Advantageously, a monitoring positioning rod 38 is fixedly arranged on the inner wall surface of the upper end of the water vapor testing pipeline 34, the lower end of the monitoring positioning rod 38 is fixedly provided with memory expansion cotton 39, the memory expansion cotton 39 absorbs water and can expand, an annular detection ring 40 is fixedly arranged on the inner wall surface of the water vapor test pipeline 34 below the monitoring positioning rod 38, four supporting rods 41 in annular array are fixedly arranged on the inner circular surface of the detection ring 40, a pressing block 42 is fixedly arranged at one end of each of the four supporting rods 41 close to each other, the upper end surface of the pressure touching block 42 is provided with a pressure touching cavity 43 with an upward opening, the inner wall surface of the pressure touching cavity 43 is fixedly provided with an annular area sensing controller 44, a touch pressure driving block 46 capable of sliding up and down is arranged in the touch pressure cavity 43, a return spring 45 is fixedly arranged between the lower end surface of the touch pressure driving block 46 and the lower end surface of the touch pressure cavity 43 at the same side, the upper end surface of the contact pressure driving block 46 is mutually abutted with the lower end surface of the memory expansion cotton 39 on the same side.
The following detailed description of the steps of using a moisture-proof electric instrument panel is described with reference to fig. 1 to 7:
in the initial state, the illuminating lamp 17 is in an off state, the pointer 26 and the light guide hole 31 are both located on the leftmost side, the memory expansion cotton 39 is in a dry state, the touch driving block 46 is in an upper limit position, the touch driving block 46 and the area sensing controller 44 stop sending signals, the return spring 45 is in a free state, the heating power grid 58 is in a power-off state, the contact 56 is located inside the contact storage cavity 54, the centrifugal spring 55 is in a free state, and the contact 56 is disconnected from the heating control switch 57.
Single dehumidification process: when water flows into the instrument panel closed cavity 12, the water flows out through the drainage pipeline 33, the water vapor inside the water flows upwards through the water vapor test pipeline 34, the memory expansion cotton 39 absorbs the water vapor inside the drainage pipeline 33 to expand, the pressing driving block 46 is extruded to move downwards, the return spring 45 is compressed, the contact area between the pressing driving block 46 and the area induction controller 44 is increased, the air supply motor 49 is driven to rotate at a slow speed, the crankshaft 51 is driven to rotate at a slow speed, the connecting rod 64 is driven to swing back and forth, the piston 63 can be driven to move back and forth from left to right, when the piston 63 moves left, the check valve 62 inside the air suction pipe 60 is opened, the check valve 62 inside the air outlet pipe 61 is closed, the outside air is sucked into the piston cavity 50 through the air suction pipe 60, and when the piston 63 moves right, the check valve 62 inside the air suction pipe 60 is closed, the check valve 62 inside the air outlet pipe 61 is opened, so that the air inside the piston cavity 50 is conveyed into the air drying cavity 48 through the air outlet pipe 61, the centrifugal disc 53 is driven to rotate at a slow speed while the crankshaft 51 rotates, the centrifugal force generated by the contact 56 is insufficient, the contact with the heating control switch 57 cannot be realized, the power supply of the heating power grid 58 through the power supply lead 59 is stopped, at the moment, the unheated air is conveyed into the data display cavity 15 and the air equalizing cavity 35 through the hot air conveying pipe 47 respectively, the air inside the data display cavity 15 is replaced, when the internal pressure of the data display cavity 15 reaches a certain value, the pressure relief check valve 37 is opened, the air inside the data display cavity 15 is discharged outwards, the replacement of the air inside the data display cavity 15 is completed, the air inside the air equalizing cavity 35 firstly dehumidifies the memory expansion cotton 39, further drying the water vapor testing pipeline 34 and the drainage pipeline 33; and (3) high-temperature drying and dehumidifying: when the contact area between the touch driving block 46 and the area sensing controller 44 is increased to a certain value, the rotation speed of the air supply motor 49 is increased, and further the crankshaft 51 is driven to rotate at a high speed, and further the connecting rod 64 drives the piston 63 to move to and fro at an increased speed, and further the air is conveyed into the air drying chamber 48, and the crankshaft 51 drives the centrifugal disc 53 to rotate at a high speed while rotating at a high speed, at this time, the contact 56 stretches the centrifugal spring 55 under the action of centrifugal force and moves to one side away from the axis of the crankshaft 51, so that the contact between the contact 56 and the heating control switch 57 is realized, and further the heating power grid 58 is heated through the power supply lead 59, and further the air inside the air drying chamber 48 is heated through the heating power grid 58, and further the hot air is respectively conveyed into the data display chamber 15 and the air equalizing chamber 35 through the hot air, meanwhile, redundant moisture is discharged outwards through the instrument panel pressure relief one-way valve 37, hot air in the air equalizing cavity 35 is output outwards through the water vapor test pipeline 34 and heats and dries the memory expansion cotton 39, then moisture in the memory expansion cotton 39 is removed, meanwhile, air in the water vapor test pipeline 34 enters the drainage pipeline 33 and dries the drainage pipeline 33, the water vapor is prevented from being diffused to the whole instrument panel, when the memory expansion cotton 39 is dried, the touch driving block 46 is lifted upwards under the elastic force of the reset spring 45, the touch driving block 46 cuts off the control of the area induction controller 44, then the driving of the air supply motor 49 is stopped, and the moisture removal process is finished; and (3) illumination of an instrument panel: when the instrument panel works, the lighting circuit board 16 is electrified, and then the lighting lamp 17 is lightened, the pointer swinging gear 22 is driven to rotate through the rotation of the power input shaft 21, thereby driving the straight gear 20 which is meshed with each other to rotate, further driving the pointer rotating shaft 19 to rotate, driving the pointer 26 to rotate while the pointer rotating shaft 19 rotates, at the moment, the shading plate 23 and the pointer 26 rotate synchronously, thereby driving the light guide hole 31 to rotate and the light guide plate 32 to rotate, the light generated by the illumination lamp 17 is irradiated upwards through the light guide hole 31 and the light guide plate 32, when the pointer 26 rotates to any position, the scale indication cavity 27 and the data display cavity 29 at the position pointed by the pointer 26 are illuminated through the light guide hole 31, the light rays at the rest positions are shielded by the light shielding plate 23, so that the light rays at the position pointed by the pointer 26 are optimal, a bright contrast is formed, and the scale reading pointed by the pointer 26 is easy to observe.
The invention has the beneficial effects that: according to the invention, through carrying out secondary monitoring on water vapor, external air is timely sucked and the water vapor in the instrument panel and the drainage pipeline is processed, so that the damage of the water vapor to the internal mechanism of the instrument panel is effectively prevented, meanwhile, the fog formed on the end face of the closed plate of the instrument panel can be removed, the observation of the data of the instrument panel is facilitated, meanwhile, the light shielding plate rotating synchronously with the pointer is utilized to effectively shield light, the sharp contrast between the pointer indication area and other parts is caused, and the observation by personnel is facilitated.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (2)
1. The utility model provides a dampproofing electric power panel board, includes organism, its characterized in that: an instrument panel closed cavity with an upward opening is formed in the upper end face of the machine body, an annular waterproof sleeve extending upwards is fixedly arranged on the lower wall face of the instrument panel closed cavity, a detachable instrument panel closed plate is arranged at the upper end of the waterproof sleeve, the waterproof sleeve can be sealed by the instrument panel closed plate, a data display cavity extending downwards is communicated with the lower wall face of the instrument panel closed cavity on the inner side of the waterproof sleeve, a driving cavity is arranged on the lower side of the data display cavity, a pointer rotating shaft extending into the data display cavity is rotatably arranged on the upper wall face of the driving cavity, a piston cavity is arranged in the machine body on the right side of the data display cavity, a piston capable of sliding back and forth in the left direction is arranged on the inner wall face of the piston cavity, a centrifugal trigger cavity is arranged on the upper side of the piston cavity, a centrifugal trigger device is arranged in the centrifugal trigger cavity, and, a gas heating device is arranged in the gas drying cavity, an annular gas equalizing cavity is arranged at the lower side of the instrument panel closed cavity and can uniformly distribute heated gas, eight annular array drainage pipelines are communicated between the lower wall surface of one side of the instrument panel closed cavity, which is far away from the axis of the pointer rotating shaft, and the outer end surface of the machine body, eight annular array water vapor test pipelines are communicated between the lower wall surface of the gas equalizing cavity and the drainage pipelines at the same side, a moisture removal trigger device is arranged in the water vapor test pipelines, a data display disc is fixedly arranged on the inner wall surface of the upper side of the data display cavity, a through hole is communicated between the upper end surface and the lower end surface of the circle center of the data display disc, the pointer rotating shaft can penetrate through the through hole and extend upwards, and an excellent arc-shaped data display cavity is communicated between the upper end surface and the lower end surface of one side, a plurality of scale indicating cavities in annular arrays are communicated between the upper end face and the lower end face of the data display disc at positions corresponding to the data display cavities and close to the axis of the pointer rotating shaft, scale fluorescent plates are fixedly arranged on the inner wall faces of the scale indicating cavities, data display fluorescent plates are fixedly arranged on the inner wall faces of the data display cavities, digital displays are arranged on the upper end faces of the data display fluorescent plates, light shielding plates are fixedly arranged on the outer circumferential faces of the pointer rotating shaft at the lower sides of the data display discs, light guide holes are communicated between the upper end faces and the lower end faces of the light shielding plates at positions corresponding to the single scale indicating cavities, light guide plates are fixedly arranged on the upper end faces of the light shielding plates and the positions corresponding to the light guide holes, and the; a power input shaft extending downwards is rotatably arranged on the lower wall surface on the right side of the driving cavity, a pointer swing gear is fixedly arranged on the upper end surface of the power input shaft, a straight gear capable of being meshed with the pointer swing gear is fixedly arranged on the lower end surface of the pointer rotating shaft, an illuminating circuit board is fixedly arranged on the inner wall surface of the data display cavity on the lower side of the light screen, and illuminating lamps distributed uniformly are fixedly arranged on the upper end surface of the illuminating circuit board; the lower wall surface of the centrifugal trigger cavity is rotatably provided with a crankshaft which penetrates through the upper wall surface and the lower wall surface of the piston cavity and continues to extend downwards, an air supply motor is fixedly arranged in the machine body at a position corresponding to the lower end of the crankshaft, the upper end surface of the air supply motor is in power connection with the lower end of the crankshaft, the outer circular surface of the crankshaft positioned in the piston cavity is in hinged connection with a connecting rod extending rightwards, the right end of the connecting rod is in hinged connection with the left end surface of the piston, an air suction pipe is communicated between the right wall surface of the piston cavity and the outside, an air outlet pipe is communicated between the right wall surface of the piston cavity and the lower wall surface of the air drying cavity, and a; a heating power grid is fixedly arranged on the inner wall surface of the gas drying cavity, a heating control switch is fixedly arranged on the inner wall surface of the centrifugal trigger cavity, a power supply lead is fixedly connected between the heating control switch and the heating power grid, a centrifugal disc is fixedly arranged at the upper end of the crankshaft, the end surface of one side, away from the axis of the crankshaft, of the centrifugal disc is communicated with a contact storage cavity which is symmetrical left and right and has an outward opening, a contact which can move along the axis of the crankshaft is arranged on the inner wall surface of the contact storage cavity, the contact is close to the axis of the crankshaft, a centrifugal spring is fixedly arranged between the end surface of one side, close to the axis of the crankshaft, of the contact storage cavity on the same side and the wall surface of one side, close; the upper wall surface of the gas drying cavity is communicated with a split hot gas conveying pipe, one end of the hot gas conveying pipe is communicated with the inner wall surface of the data display cavity, the other end of the hot gas conveying pipe is communicated with the upper wall surface of the gas uniform cavity, the inner and outer circular surfaces of the waterproof sleeve are communicated with instrument panel pressure relief channels which are symmetrical left and right, and instrument panel pressure relief check valves are fixedly arranged inside the instrument panel pressure relief channels on the left and right sides.
2. A moisture resistant electrical instrument panel in accordance with claim 1 wherein: the fixed monitoring locating lever that is equipped with of steam test pipeline upper end internal face, the fixed memory inflation cotton that is equipped with of monitoring locating lever lower extreme, the inflation can take place for the cotton water absorption of memory inflation, the monitoring locating lever downside the fixed annular that is equipped with of steam test pipeline internal face detects the ring, detect the fixed branch that is equipped with four annular array of circle internal face, four branch is close to one end each other and is fixed to be equipped with and touches the briquetting, it is equipped with the ascending chamber of touching of opening to touch the briquetting up end, touch and press the chamber internal face and fix and be equipped with area induction controller, touch and press the chamber internal face and be equipped with gliding touch and press the drive block from top to bottom, touch and press drive block down terminal surface and homonymy touch and press under the chamber and fixedly be equipped with reset spring between the wall, touch and press drive block up end and.
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Effective date of registration: 20210611 Address after: 102600 in qiangaomidian Industrial Development Zone, Daxing District, Beijing Applicant after: BEIJING JINGYIBEIFANG INSTRUMENT Co.,Ltd. Address before: 201600 Xinzhuan Road, Dongjing Town, Songjiang District, Shanghai 3825 Applicant before: Shanghai rouermu Electronic Technology Co.,Ltd. |
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