CN113972584A - City power supply looped netowrk cabinet with inside humidity detects adjustment mechanism - Google Patents
City power supply looped netowrk cabinet with inside humidity detects adjustment mechanism Download PDFInfo
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- CN113972584A CN113972584A CN202111291204.1A CN202111291204A CN113972584A CN 113972584 A CN113972584 A CN 113972584A CN 202111291204 A CN202111291204 A CN 202111291204A CN 113972584 A CN113972584 A CN 113972584A
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- ventilation
- cylinder body
- cabinet body
- filter screen
- main unit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Gases (AREA)
Abstract
The invention relates to an urban power supply ring main unit with an internal humidity detection and adjustment mechanism in the technical field of electric ring main units, which comprises a main unit body and a ventilation device, wherein the ventilation device is arranged on the side wall of the main unit body, the ventilation device comprises a first ventilation mechanism, a second ventilation mechanism, a gas dehumidification mechanism and a fan, the outer wall of the main unit body is provided with the first ventilation mechanism and the second ventilation mechanism which are communicated with the inner cavity of the main unit body and can prevent dust from entering the inner cavity of the main unit body, the second ventilation mechanism is identical in structure with the first ventilation mechanism, and the gas dehumidification mechanism communicated with the first ventilation mechanism is arranged on the inner wall of the main unit body at a position corresponding to the first ventilation mechanism. The invention solves the technical problem that the surfaces of cables, power distribution equipment and wiring terminals are covered with a large amount of dust in the prior art; the arrangement of the gas dehumidifying mechanism can dehumidify gas entering the inner cavity of the cabinet body, so that the humidity in the inner cavity of the cabinet body is prevented from being further increased.
Description
Technical Field
The invention relates to the technical field of electric ring main units, in particular to an urban power supply ring main unit with an internal humidity detection and adjustment mechanism.
Background
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
Current looped netowrk cabinet is for preventing that humiture is too high in the cabinet, generally all be equipped with the vent, even establish and carry out initiative to supplying air in the cabinet by ventilation equipment, however, set up like this and led to in a large amount of dusts get into the cabinet, make the cable, distribution equipment, and binding post surface covering a large amount of dusts, nevertheless the dust can absorb moisture, become moist, consequently cable on every side can be covered by the mildew, metal components and parts in the looped netowrk cabinet also can rust stain spot, and the condition of tripping operation often also appears, some cause the conflagration even, influence normal use.
Disclosure of Invention
The invention aims to solve the problems and provide an urban power supply ring main unit provided with an internal humidity detection and adjustment mechanism.
The invention realizes the purpose through the following technical scheme:
a city power supply ring main unit with an internal humidity detection and adjustment mechanism comprises a main body and a ventilation device, wherein the ventilation device is installed on the side wall of the main body and comprises a first ventilation mechanism, a second ventilation mechanism, a gas dehumidification mechanism and a fan;
the first ventilation mechanism comprises a fixed cylinder and a movable cylinder which are communicated with the gas dehumidification mechanism, and further comprises a driving assembly which can push the movable cylinder outwards and can ensure that the movable cylinder is tightly pressed on the fixed cylinder;
the automatic screen changing structure comprises a winding motor, an unwinding assembly and a winding assembly, the unwinding assembly and the winding assembly are respectively installed on the outer wall of the cabinet body corresponding to the upper side and the lower side of the fixed cylinder body, filter screen rolls in the unwinding assembly and the winding assembly are respectively connected with corresponding ends of filter screens, and the filter screen rolls on the winding assembly are in transmission fit with an output shaft of the winding motor installed on the outer wall of the cabinet body.
Preferably, unreel the subassembly and include the fixing base, roll body with the filter screen book matches, the fixing base is equipped with relative two, and the distance between and be greater than the length that the filter screen that corresponds was rolled up, the position relative in fixing base upper end all be equipped with roll body damping normal running fit's standing groove.
Preferably, the roller body of the roller body is uniformly provided with at least two grooves which are arranged along the axial direction of the roller body in a surrounding manner, extrusion rods which are arranged along the axial direction of the groove are movably matched in the grooves, and springs which extrude the extrusion rods outwards are arranged between the extrusion rods and the bottoms of the grooves; the two ends of the roller body are provided with reducing parts which are coaxial with the roller body, and the outer wall of each reducing part is fixedly sleeved with a damping sleeve matched with the placing groove.
Preferably, the roll body periphery still is equipped with the protecting sheathing that prevents that the filter screen that corresponds from being rolled up by dust invasion and attack, the roll body runs through protecting sheathing along the protecting sheathing axial, and with protecting sheathing clearance fit, protecting sheathing includes first semicircle shell, the second semicircle shell, first semicircle shell lower extreme and second semicircle shell lower extreme are articulated, be equipped with the breach that supplies the filter screen to pass through between first semicircle shell upper end and the second semicircle shell upper end, first semicircle shell and second semicircle shell both ends face all are equipped with the bracing piece, the position that the fixing base corresponds the bracing piece is equipped with the constant head tank that matches with the bracing piece.
Preferably, the driving assembly comprises a rotating motor and a screw rod, a first connecting plate is arranged at one end of the fixed cylinder body, which corresponds to the movable cylinder body, a second connecting plate opposite to the first connecting plate is arranged at one end of the movable cylinder body, which corresponds to the fixed cylinder body, and the surface of the first connecting plate, which deviates from the second connecting plate, is provided with the rotating motor; the output end of the rotating motor is provided with a screw rod coaxial with the rotating motor, the screw rod sequentially penetrates through the first connecting plate and the second connecting plate, and the rod body of the screw rod rotates or is in clearance fit with the first connecting plate and is in threaded fit with the second connecting plate.
Preferably, the inner cavity of one end of the movable barrel, which deviates from the fixed barrel, is hinged with a swing baffle plate for preventing dust from entering the inner cavity of the movable barrel during idle time.
Preferably, gaseous dehumidification mechanism includes interior barrel, dehumidifying board, and the one end that interior barrel corresponds fixed barrel is installed on cabinet body inner wall, and interior barrel inner chamber is equipped with the relative and interval dehumidifying board that sets up of a plurality of, and the face of dehumidifying board and the central axis parallel arrangement of interior barrel.
Preferably, the inner cylinder inner chamber is located and is equipped with the heating member between dehumidification board and the fan, and the fan is positive and negative fan, and the dehumidification board adopts the silica gel material.
Preferably, the automatic control ventilation device is opened or closed and the control device for automatically controlling and replacing the filter screen between the fixed cylinder and the movable cylinder is further included, the control device comprises a controller, a first humidity sensor for detecting the humidity of the inner cavity of the cabinet body, a first temperature sensor for detecting the temperature of the inner cavity of the cabinet body, a second temperature sensor for detecting the external temperature of the cabinet body, a second humidity sensor for detecting the humidity of the dehumidifying plate, a length sensor for detecting the moving distance of the filter screen, a flow velocity sensor for detecting the airflow velocity of the inner cavity of the gas dehumidifying mechanism and an alarm, the first humidity sensor, the first temperature sensor, the second humidity sensor, the length sensor, the alarm and the flow velocity sensor are in signal connection with the controller, and the controller is further in signal connection with the ventilation device.
Has the advantages that:
1. the first ventilation mechanism and the second ventilation mechanism can prevent dust from entering the inner cavity of the cabinet body, so that the technical problem that a large amount of dust covers the surfaces of cables, power distribution equipment and wiring terminals in the prior art is solved;
2. the arrangement of the gas dehumidifying mechanism can dehumidify gas entering the inner cavity of the cabinet body, so that the humidity in the inner cavity of the cabinet body is prevented from being further increased;
3. can make the activity barrel keep away from fixed barrel through drive assembly, then drive the filter screen book rotation on the coiling subassembly through the coiling motor for be located between fixed barrel and the activity barrel filter screen part is changed into new filter screen part, has removed the function of artifical change filter screen.
Additional features of the invention and advantages thereof will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view from another perspective of the present invention;
FIG. 3 is a schematic view of the construction of the ventilation device of the present invention;
FIG. 4 is a schematic structural view of a first venting mechanism of the present invention;
FIG. 5 is a cross-sectional view of the gas dehumidifying mechanism of the present invention;
FIG. 6 is a schematic view illustrating a structure of an unwinding assembly according to the present invention;
FIG. 7 is a schematic view of the construction of the roll body of the present invention;
fig. 8 is a block flow diagram of the control device of the present invention.
The reference numerals are explained below:
1. a cabinet body; 2. a ventilation device; 21. a first ventilation mechanism; 211. fixing the cylinder; 2111. a first connecting plate; 212. a movable barrel; 2121. a swing baffle; 2122. a second connecting plate; 213. a winding motor; 214. filtering with a screen; 215. an unwinding assembly; 2151. a fixed seat; 21511. a placement groove; 21512. positioning a groove; 2152. a roller body; 21521. a groove; 21522. an extrusion stem; 21523. a spring; 21524. a diameter reducing portion; 21525. a damping sleeve; 2153. a protective housing; 21531. a first semicircular housing; 21532. a second semi-circular housing; 21533. a support bar; 216. a winding component; 217. rotating the motor; 218. a screw; 22. a second ventilation mechanism; 23. a gas dehumidifying mechanism; 231. an inner cylinder; 232. a dehumidification plate; 234. a heating member; 24. a fan; 3. a control device; 31. a controller; 32. a first humidity sensor; 33. a first temperature sensor; 34. a second temperature sensor; 35. a second humidity sensor; 36. a length sensor; 37. an alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the first embodiment, as shown in fig. 1 to 8, an urban power supply ring main unit with an internal humidity detection and adjustment mechanism includes a main body 1 and a ventilation device 2, the ventilation device 2 is installed on a side wall of the main body 1, the ventilation device 2 includes a first ventilation mechanism 21, a second ventilation mechanism 22, a gas dehumidification mechanism 23, and a fan 24, the outer wall of the main body 1 is provided with the first ventilation mechanism 21 and the second ventilation mechanism 22 which are communicated with the inner cavity thereof and can prevent dust from entering the inner cavity of the main body 1, the second ventilation mechanism 22 is identical to the first ventilation mechanism 21, the gas dehumidification mechanism 23 communicated with the first ventilation mechanism 21 is arranged at a position on the inner wall of the main body 1 corresponding to the first ventilation mechanism 21, the fan 24 is arranged at an end of the gas dehumidification mechanism 23 departing from the first ventilation mechanism 21, so as to prevent dust from entering the inner cavity of the main body 1 through the first ventilation mechanism 21 and the second ventilation mechanism 22, the technical problem that a large amount of dust covers the surfaces of cables, power distribution equipment and wiring terminals in the prior art is solved; the arrangement of the gas dehumidifying mechanism 23 can dehumidify the gas entering the inner cavity of the cabinet body 1, so as to prevent the humidity in the inner cavity of the cabinet body 1 from further increasing;
the first ventilation mechanism 21 comprises a fixed cylinder 211 communicated with the gas dehumidifying mechanism 23, a movable cylinder 212, and further comprises a driving component capable of pushing the movable cylinder 212 outwards and ensuring that the movable cylinder 212 is tightly pressed on the fixed cylinder 211, one end of the fixed cylinder 211 corresponding to the gas dehumidifying mechanism 23 is mounted on the outer wall of the cabinet body 1, the other end of the fixed cylinder 211 is connected with one end of the movable cylinder 212 through the driving component, a filter screen 214 for preventing dust from entering the inner cavity of the cabinet body 1 is arranged between the fixed cylinder 211 and the movable cylinder 212, and an automatic screen changing structure capable of automatically changing the filter screen 214 between the fixed cylinder 211 and the movable cylinder 212 is further arranged on the outer wall of the cabinet body 1, so that dust can be prevented from entering the inner cavity of the cabinet body 1 through the filter screen 214 between the fixed cylinder 211 and the movable cylinder 212;
the automatic screen replacing structure comprises a rolling motor 213, an unreeling component 215 and a reeling component 216, the unreeling component 215 and the reeling component 216 are respectively installed on the outer wall of the cabinet body 1 corresponding to the upper part and the lower part of the fixed cylinder body 211, filter screen rolls in the unreeling component 215 and the reeling component 216 are respectively connected with corresponding ends of the filter screens 214, the filter screen roll on the reeling component 216 is in transmission fit with an output shaft of the rolling motor 213 installed on the outer wall of the cabinet body 1, so that the movable cylinder body 212 can be far away from the fixed cylinder body 211 through a driving component, then the filter screen roll on the reeling component 216 is driven to rotate through the reeling motor 213, the filter screen 214 part between the fixed cylinder body 211 and the movable cylinder body 212 is replaced by a new filter screen 214 part, and the function of manually replacing the filter screen is solved;
the inner cavity of one end of the movable cylinder 212, which is away from the fixed cylinder 211, is hinged with a swing baffle 2121 used for idle time, which prevents dust from entering the inner cavity of the movable cylinder 212, when the swing baffle 2121 is in a vertical state, the swing baffle 2121 can block the inner cavity of the movable cylinder 212 from being communicated with the outside, the swing baffle 2121 can be set into a larger plate, so that the production is convenient, and also can be set into a plurality of smaller plates, and when the plurality of smaller plates are in the vertical state, all the smaller plates are coplanar, and almost no gap exists between the adjacent plates, so that the inner cavity of the movable cylinder 212 can be opened more easily, so that the arrangement can be carried out when the fan 24 does not work, the swing baffle 2121 is in the vertical state under the action of gravity, the function of closing the inner cavity of the movable cylinder 212 is realized, and therefore, the function of preventing dust from entering the inner cavity of the movable cylinder 212 is realized.
In the second embodiment, on the basis of the first embodiment, the unwinding assembly 215 includes a fixing seat 2151 and a roller 2152 matched with the filter screen roll, the fixing seat 2151 is provided with two opposite positions, and the distance between the two opposite positions is greater than the length of the corresponding filter screen roll, the opposite positions of the upper end of the fixing seat 2151 are provided with placing grooves 21511 in damping rotation fit with the roller 2152, so that the roller 2152 can be fixed with the corresponding filter screen roll, the roller 2152 is in rotation fit with the fixing seat 2151, the unwinding function can be realized, the winding assembly 216 and the unwinding assembly 215 have the same structure, and the roller in the winding assembly 216 is in transmission fit with the output end of the winding motor 213, so that the winding function can be realized;
the roller body 2152 is uniformly and annularly provided with at least two grooves 21521 arranged along the axial direction of the roller body, extrusion rods 21522 arranged along the axial direction of the roller body are movably matched in the grooves 21521, and springs 21523 for outwards extruding the extrusion rods 21522 are arranged between the extrusion rods 21522 and the bottoms of the grooves 21521; the two ends of the roller body 2152 are provided with reducing parts 21524 coaxial with the roller body, the outer wall of each reducing part 21524 is fixedly sleeved with a damping sleeve 21525 matched with the placement groove 21511, and the pressing rod 21522 can be outwards pressed by the elasticity of the spring 21523, so that the pressing rod 21522 is in contact with the filter screen roll and has a certain acting force, the distance between the filter screen roll and the roller body of the roller body 2152 is realized, and the damping sleeves 21525 are arranged at the two ends of the roller body 2152, so that the damping rotation fit between the roller body 2152 and the fixing seat 2151 is realized;
the periphery of the roller body 2152 is further provided with a protective shell 2153 for preventing the corresponding filter screen roll from being invaded by dust, the roller body 2152 axially penetrates through the protective shell 2153 along the protective shell 2153 and is in clearance fit with the protective shell 2153, preferably, the roller body 2152 is coaxial with the protective shell 2153, the protective shell 2153 comprises a first semi-circular shell 21531 and a second semi-circular shell 21532, the lower end of the first semi-circular shell 21531 is hinged with the lower end of the second semi-circular shell 21532, a gap for the filter screen 214 to pass through is arranged between the upper end of the first semi-circular shell 21531 and the upper end of the second semi-circular shell 21532, supporting rods 21533 are arranged on the two end faces of the first semi-circular shell 21531 and the second semi-circular shell 21532, positioning grooves 21512 matched with the supporting rods 21533 are arranged on the positions of the fixing seat 2151 corresponding to the supporting rods 21533, when the two supporting rods 21533 are placed in the corresponding positioning grooves 21512, the upper ends of the first semi-circular shell 21531 and the second semi-circular shell 21532 are mutually abutted against each other parts, the filter screen roll is positioned at the inner side of the protective shell 2153, so that dust is prevented from falling on the filter screen roll, and the function of preventing the corresponding filter screen roll from being invaded by dust is realized.
In a third embodiment, on the basis of the first embodiment, the driving assembly includes a rotating motor 217 and a screw 218, a first connecting plate 2111 is disposed at an end of the fixed cylinder 211 corresponding to the movable cylinder 212, a second connecting plate 2122 opposite to the first connecting plate 2111 is disposed at an end of the movable cylinder 212 corresponding to the fixed cylinder 211, the rotating motor 217 is mounted on a surface of the first connecting plate 2111 away from the second connecting plate 2122, a screw 218 coaxial with the rotating motor 217 is disposed at an output end of the rotating motor 217, the screw 218 sequentially penetrates through the first connecting plate 2111 and the second connecting plate 2122, a shaft of the screw 218 rotates or is in clearance fit with the first connecting plate 2111 and is in threaded fit with the second connecting plate 2122, and thus the screw 218 can be driven to rotate by the rotating motor 217, and the screw 218 is in threaded fit with the second connecting plate 2122, so that the second connecting plate 2122 can be driven to move, and the movable cylinder 212 is driven to move, thereby realizing a function of pushing the movable cylinder 212 outwards or pressing the movable cylinder 212 onto the fixed cylinder 211 Can be used.
In the fourth embodiment, on the basis of the first embodiment, the gas dehumidifying mechanism 23 includes an inner cylinder 231 and a dehumidifying plate 232, one end of the inner cylinder 231 corresponding to the fixing cylinder 211 is installed on the inner wall of the cabinet body 1, the inner cavity of the inner cylinder 231 is provided with a plurality of dehumidifying plates 232 which are arranged oppositely and at intervals, and the plate surfaces of the dehumidifying plates 232 are arranged in parallel with the central axis of the inner cylinder 231, so that the gas entering from the outside is dehumidified by the dehumidifying plates 232, and the gas entering the inner cavity of the cabinet body 1 is dry gas;
Fifth embodiment, on the basis of the first embodiment, the control device 3 for automatically controlling the opening or closing of the ventilation device 2 and automatically controlling the replacement of the filter screen 214 between the fixed cylinder 211 and the movable cylinder 212 is further included, the control device 3 includes a controller 31, a first humidity sensor 32 for detecting the humidity of the inner cavity of the cabinet body 1, a first temperature sensor 33 for detecting the temperature of the inner cavity of the cabinet body 1, a second temperature sensor 34 for detecting the external temperature of the cabinet body 1, a second humidity sensor 35 for detecting the humidity of the dehumidifying plate 232, a length sensor 36 for detecting the moving distance of the filter screen 214, a flow rate sensor 38 for detecting the flow rate of the air in the inner cavity of the gas dehumidifying mechanism 23, and an alarm 37, wherein the first humidity sensor 32, the first temperature sensor 33, the second temperature sensor 34, the second humidity sensor 35, the length sensor 36, the alarm 37 and the flow rate sensor 38 are all in signal connection with the controller 31, controller 31 still with coiling motor 213, rotation motor 217, add heat piece 234, and fan 24 signal connection, set up like this and realized humidity, the temperature according to cabinet body 1 inner chamber, realize the automatic function of dehumidifying and cooling the cabinet body 1 inner chamber, can also carry out drying process to dehumidifying plate 232 according to dehumidifying plate 232 humidity, realized reducing the function of maintenance number of times, can also be according to the temperature of body 1 inner chamber, heat gas, realize the function of preventing condensation.
In the structure, when the humidity of the inner cavity of the cabinet body 1 is greater than the threshold value or the temperature of the inner cavity of the cabinet body 1 is greater than the threshold value, the blower 24 is started to reduce the air pressure inside the fixed cylinder 211, the movable cylinder 212 and the inner cylinder 231 by the blower 24, so that the swing baffle 2121 swings inwards, external air can enter the inner cavity of the cabinet body 1 after being dehumidified by the dehumidification plate 232, the ventilation function is realized, and the damp air in the inner cavity of the cabinet body 1 can be exhausted to the outside through the second ventilation mechanism 22, so that the functions of dehumidifying and cooling the inner cavity of the cabinet body 1 are realized;
when the temperature of the inner cavity of the cabinet body 1 is lower than the temperature of the outside, the blower 24 and the heating element 234 can be started, the blower 24 reduces the air pressure inside the fixed cylinder 211, the movable cylinder 212 and the inner cylinder 231, so that the swing baffle 2121 swings inwards, and therefore outside air can enter the inner cavity of the cabinet body 1 after being dehumidified by the dehumidifying plate 232 and heated by the heating element 234, so that the ventilation function is realized, the temperature of the inner cavity of the cabinet body 1 is increased, and the function of preventing the inner wall of the cabinet body 1 from being condensed is realized;
when the humidity of the dehumidifying plate 232 is greater than the threshold value, the fan 24 and the heating element 234 are started, so that the fan 24 rotates reversely, the fan 24 raises the air pressure inside the fixed cylinder 211, the movable cylinder 212 and the inner cylinder 231, and further the swing baffle 2121 swings outwards, so that the air inside the inner cylinder 231 can be heated by the heating element 234 and then discharged to the outside, and the dehumidifying plate 232 is dried in the process, so that the dehumidifying plate 232 can be recycled;
when the airflow in the inner cavity of the gas dehumidifying mechanism 23 is smaller than the threshold value, the ventilation function is suspended, the rotating motor 217 is started, the rotating motor 217 drives the screw rod 218 to rotate, the screw rod 218 pushes the movable cylinder 212 outwards, the movable cylinder 212 is far away from the fixed cylinder 211, then the winding motor 213 is started, the winding motor 213 drives the filter screen roll on the unwinding assembly 215 to rotate, the function of winding the old filter screen is realized, the movable cylinder 212 and the fixed cylinder 211 are replaced by a new filter screen at the moment, the distance for moving the filter screen 214 is increased in the process, the winding motor 213 is controlled to be closed, the utilization rate of the filter screen 214 is ensured, then the rotating motor 217 is rotated reversely, the movable cylinder 212 is close to the fixed cylinder 211, the clamping and fixing of the filter screen 214 are realized, the function of automatically replacing the filter screen is realized, and the ventilation efficiency is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a city power supply looped netowrk cabinet with inside humidity detects adjustment mechanism, includes cabinet body (1), ventilation unit (2), and ventilation unit (2) are installed on cabinet body (1) lateral wall, its characterized in that: the ventilation device (2) comprises a first ventilation mechanism (21), a second ventilation mechanism (22), a gas dehumidification mechanism (23) and a fan (24), wherein the outer wall of the cabinet body (1) is provided with the first ventilation mechanism (21) and the second ventilation mechanism (22) which are communicated with the inner cavity of the cabinet body and can prevent dust from entering the inner cavity of the cabinet body (1), the second ventilation mechanism (22) and the first ventilation mechanism (21) have the same structure, the gas dehumidification mechanism (23) communicated with the first ventilation mechanism (21) is arranged on the inner wall of the cabinet body (1) at a position corresponding to the first ventilation mechanism (21), and the fan (24) is arranged at one end of the gas dehumidification mechanism (23) departing from the first ventilation mechanism (21);
the first ventilation mechanism (21) comprises a fixed cylinder body (211) communicated with the gas dehumidifying mechanism (23), a movable cylinder body (212), and further comprises a driving assembly capable of pushing the movable cylinder body (212) outwards and ensuring that the movable cylinder body (212) is tightly pressed on the fixed cylinder body (211), one end of the fixed cylinder body (211) corresponding to the gas dehumidifying mechanism (23) is installed on the outer wall of the cabinet body (1), the other end of the fixed cylinder body (211) is connected with one end of the movable cylinder body (212) through the driving assembly, a filter screen (214) used for preventing dust from entering the inner cavity of the cabinet body (1) is arranged between the fixed cylinder body (211) and the movable cylinder body (212), and an automatic screen changing structure capable of automatically changing the filter screen (214) between the fixed cylinder body (211) and the movable cylinder body (212) is further arranged on the outer wall of the cabinet body (1);
the automatic screen changing structure comprises a winding motor (213), an unwinding assembly (215) and a winding assembly (216), wherein the unwinding assembly (215) and the winding assembly (216) are respectively installed on the outer wall of the upper portion and the lower portion of the cabinet body (1) corresponding to the fixed cylinder body (211), filter screen rolls in the unwinding assembly (215) and the winding assembly (216) are respectively connected with corresponding ends of filter screens (214), and filter screen rolls on the winding assembly (216) are in transmission fit with an output shaft of the winding motor (213) installed on the outer wall of the cabinet body (1).
2. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 1, wherein: unreel subassembly (215) including fixing base (2151), roll body (2152) with the filter screen book matches, fixing base (2151) are equipped with relative two, and the distance between and be greater than the length that the filter screen of corresponding rolled up, and fixing base (2151) upper end relative position all is equipped with and rolls body (2152) damping normal running fit's standing groove (21511).
3. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 2, wherein: at least two grooves (21521) are uniformly and annularly arranged on the roller body (2152) along the axial direction of the roller body, an extrusion rod (21522) arranged along the axial direction of the roller body is movably matched in the grooves (21521), and a spring (21523) for outwards extruding the extrusion rod (21522) is arranged between the extrusion rod (21522) and the bottom of the groove (21521); and the two ends of the roller body (2152) are provided with reducing parts (21524) which are coaxial with the roller body, and the outer wall of each reducing part (21524) is fixedly sleeved with a damping sleeve (21525) matched with the placement groove (21511).
4. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 2, wherein: the periphery of the roller body (2152) is further provided with a protective shell (2153) for preventing a corresponding filter screen roll from being invaded by dust, the roller body (2152) axially penetrates through the protective shell (2153) along the protective shell (2153), the roller body is in clearance fit with the protective shell (2153), the protective shell (2153) comprises a first semicircular shell (21531) and a second semicircular shell (21532), the lower end of the first semicircular shell (21531) is hinged to the lower end of the second semicircular shell (21532), a notch for the filter screen (214) to pass through is formed between the upper end of the first semicircular shell (21531) and the upper end of the second semicircular shell (21532), supporting rods (21533) are arranged on two end faces of the first semicircular shell (21531) and the second semicircular shell (21532), and positioning grooves (21512) matched with the supporting rods (21533) are formed in positions, corresponding to the supporting rods (21533), of the fixing seats (2151).
5. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 1, wherein: the driving assembly comprises a rotating motor (217) and a screw rod (218), a first connecting plate (2111) is arranged at one end of the fixed cylinder body (211) corresponding to the movable cylinder body (212), a second connecting plate (2122) opposite to the first connecting plate (2111) is arranged at one end of the movable cylinder body (212) corresponding to the fixed cylinder body (211), and the surface of the first connecting plate (2111) departing from the second connecting plate (2122) is provided with the rotating motor (217); the output end of the rotating motor (217) is provided with a screw (218) coaxial with the rotating motor, the screw (218) sequentially penetrates through the first connecting plate (2111) and the second connecting plate (2122), and the rod body of the screw (218) is in rotating or clearance fit with the first connecting plate (2111) and in threaded fit with the second connecting plate (2122).
6. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 1, wherein: an inner cavity of one end of the movable cylinder body (212) departing from the fixed cylinder body (211) is hinged with a swing baffle (2121) used for preventing dust from entering the inner cavity of the movable cylinder body (212) in idle time.
7. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 1, wherein: gaseous dehumidification mechanism (23) are including interior barrel (231), dehumidification board (232), and the one end that interior barrel (231) correspond fixed barrel (211) is installed on cabinet body (1) inner wall, and interior barrel (231) inner chamber is equipped with dehumidification board (232) that a plurality of is relative and the interval set up, and the central axis parallel arrangement of the face of dehumidification board (232) and interior barrel (231).
8. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 7, wherein: an inner cavity of the inner cylinder (231) is provided with a heating element (234) between the dehumidifying plate (232) and the fan (24), the fan (24) is a positive and negative fan, and the dehumidifying plate (232) is made of silica gel material.
9. The urban power supply ring main unit provided with the internal humidity detection and adjustment mechanism according to claim 1, wherein: still include and be used for automatic control ventilation unit (2) to open or close and automatic control change between fixed barrel (211) and the activity barrel (212) controlling means (3) of filter screen (214), controlling means (3) include controller (31), a first humidity transducer (32) for detecting cabinet body (1) inner chamber humidity, a first temperature sensor (33) for detecting cabinet body (1) inner chamber temperature, a second temperature sensor (34) for detecting cabinet body (1) ambient temperature, a second humidity transducer (35) for detecting dehumidification board (232) humidity, a length sensor (36) for detecting filter screen (214) displacement, a velocity of flow sensor (38) for detecting gaseous dehumidification mechanism (23) inner chamber air current velocity of flow, alarm (37), first humidity sensor (32), a first temperature sensor (33), The second temperature sensor (34), the second humidity sensor (35), the length sensor (36), the alarm (37) and the flow rate sensor (38) are in signal connection with the controller (31), and the controller (31) is further in signal connection with the ventilation device (2).
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| CN202111291204.1A CN113972584B (en) | 2021-11-03 | 2021-11-03 | Urban power supply ring main unit with internal humidity detection and adjustment mechanism |
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| CN202111291204.1A CN113972584B (en) | 2021-11-03 | 2021-11-03 | Urban power supply ring main unit with internal humidity detection and adjustment mechanism |
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| CN113972584B CN113972584B (en) | 2023-10-20 |
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| CN113972584B (en) | 2023-10-20 |
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