CN113972584B - Urban power supply ring main unit with internal humidity detection and adjustment mechanism - Google Patents
Urban power supply ring main unit with internal humidity detection and adjustment mechanism Download PDFInfo
- Publication number
- CN113972584B CN113972584B CN202111291204.1A CN202111291204A CN113972584B CN 113972584 B CN113972584 B CN 113972584B CN 202111291204 A CN202111291204 A CN 202111291204A CN 113972584 B CN113972584 B CN 113972584B
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- filter screen
- cylinder
- inner cavity
- ventilation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- 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, which belongs to the technical field of power ring main units. The invention solves the technical problems of the prior art that the surfaces of cables, power distribution equipment and wiring terminals are covered with a large amount of dust; the arrangement of the gas dehumidifying mechanism can dehumidify the gas entering the inner cavity of the cabinet body, so that the humidity in the inner cavity of the cabinet body is prevented from further increasing.
Description
Technical Field
The invention relates to the technical field of electric power 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 spacing ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, and has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. It is widely used in distribution stations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like, and box-type substations.
The existing ring main unit is provided with a ventilation opening for preventing the temperature and humidity in the cabinet from being too high, and even ventilation equipment is arranged to supply air to the cabinet, however, a large amount of dust is caused to enter the cabinet, so that the cable, the distribution equipment and the surface of the wiring terminal are covered with a large amount of dust, the dust can absorb moisture and become moist, therefore, surrounding cables can be covered with mildew points, metal components in the ring main unit can also rust and spots, tripping often occurs, and fire is caused even, so that normal use is affected.
Disclosure of Invention
The invention aims to solve the problems and provide the urban power supply ring main unit with the internal humidity detection and adjustment mechanism.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a city power supply looped netowrk cabinet with inside humidity detection adjustment mechanism, which comprises a cabinet body, ventilation unit installs on cabinet body lateral wall, ventilation unit includes first ventilation mechanism, second ventilation mechanism, gaseous dehumidification mechanism, fan, cabinet body outer wall is equipped with rather than the inner chamber intercommunication, and can prevent that dust from entering into first ventilation mechanism and the second ventilation mechanism in the cabinet body inner chamber, and second ventilation mechanism is the same with first ventilation mechanism structure, cabinet body inner wall corresponds the position of first ventilation mechanism and is equipped with the gaseous dehumidification mechanism with first ventilation mechanism intercommunication, gaseous dehumidification mechanism deviates from the one end of first ventilation mechanism and is equipped with the fan;
the first ventilation mechanism comprises a fixed cylinder body and a movable cylinder body which are communicated with the gas dehumidification mechanism, and further comprises a driving assembly which can push the movable cylinder body outwards and can ensure that the movable cylinder body is tightly pressed on the fixed cylinder body;
the automatic net replacing structure comprises a winding motor, an unreeling component and a winding component, wherein the unreeling component and the winding component are respectively installed on the outer wall of the upper side and the lower side of the cabinet body corresponding to the fixed cylinder, the filter screen rolls in the unreeling component and the winding component are respectively connected with the corresponding ends of the filter screens, and the filter screen rolls on the winding component 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, with the filter screen roll matched roll body, the fixing base is equipped with two relative, and the distance between is greater than the length of corresponding filter screen roll, the fixing base upper end relative position all be equipped with roll body damping normal running fit's standing groove.
Preferably, the roller body and the roller body are uniformly and annularly provided with at least two grooves which are axially arranged along the roller body, the grooves are movably matched with extrusion rods which are axially arranged along the roller body, and springs which are used for extruding 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 diameter reducing parts coaxial with the roller body, and damping sleeves matched with the placing grooves are fixedly sleeved on the outer walls of the diameter reducing parts.
Preferably, the periphery of the roller body is also provided with a protective shell for preventing the corresponding filter screen from being attacked by dust, the roller body axially penetrates through the protective shell and is in clearance fit with the protective shell, the protective shell comprises a first semicircular shell and a second semicircular shell, the lower end of the first semicircular shell is hinged with the lower end of the second semicircular shell, a notch for the filter screen to pass through is arranged between the upper end of the first semicircular shell and the upper end of the second semicircular shell, supporting rods are arranged on two end faces of the first semicircular shell and the two end faces of the second semicircular shell, and a positioning groove matched with the supporting rods is arranged at the position of the fixing seat corresponding to the supporting rods.
Preferably, the driving assembly comprises a rotating motor and a screw rod, a first connecting plate is arranged on the fixed cylinder body corresponding to one end cylinder body of the movable cylinder body, a second connecting plate opposite to the first connecting plate is arranged on the movable cylinder body corresponding to one end cylinder body of the fixed cylinder body, and the rotating motor is arranged on the surface, deviating from the second connecting plate, of the first connecting plate; 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 screw rod body is in rotating or clearance fit with the first connecting plate and is in threaded fit with the second connecting plate.
Preferably, the movable cylinder is hinged with a swinging baffle plate used for preventing dust from entering the inner cavity of the movable cylinder in idle time at one end inner cavity of the movable cylinder, which is away from the fixed cylinder.
Preferably, the gas dehumidifying mechanism comprises an inner cylinder body and dehumidifying plates, one end of the inner cylinder body, corresponding to the fixed cylinder body, is installed on the inner wall of the cabinet body, a plurality of dehumidifying plates which are opposite and are arranged at intervals are arranged in the inner cavity of the inner cylinder body, and the plate surfaces of the dehumidifying plates are arranged in parallel with the central axis of the inner cylinder body.
Preferably, a heating element is arranged between the dehumidifying plate and the fan in the inner cylinder cavity, the fan is a positive and negative fan, and the dehumidifying plate is made of silica gel material.
Preferably, the automatic control ventilation device further comprises a control device for automatically controlling the ventilation device to be opened or closed and automatically controlling the replacement of the filter screen between the fixed cylinder and the movable cylinder, wherein 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 outside temperature of the cabinet body, a second humidity sensor for detecting the humidity of the dehumidifying board, 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, an alarm, and the first humidity sensor, the first temperature sensor, the second humidity sensor, the length sensor, the alarm and the flow velocity sensor are all in signal connection with the controller, and the controller is also in signal connection with the ventilation device.
The beneficial effects are that:
1. dust can be prevented from entering the inner cavity of the cabinet body through the first ventilation mechanism and the second ventilation mechanism, and the technical problems that cables, power distribution equipment and the surfaces of the wiring terminals are covered with a large amount of dust in the prior art are solved;
2. the arrangement of the gas dehumidifying mechanism can dehumidify the gas entering the inner cavity of the cabinet body, so that the humidity in the inner cavity of the cabinet body is prevented from further increasing;
3. the movable cylinder body can be far away from the fixed cylinder body through the driving component, and then the filter screen roll on the rolling component is driven to rotate through the rolling motor, so that the filter screen part between the fixed cylinder body and the movable cylinder body is replaced by a new filter screen part, and the function of manually replacing the filter screen is relieved.
Additional features and advantages of the invention will be set forth in the description which follows, or may be learned by practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a schematic view of the ventilation device of the present invention;
FIG. 4 is a schematic view of the first venting mechanism of the present invention;
FIG. 5 is a cross-sectional view of the gas dehumidification mechanism of the present invention;
FIG. 6 is a schematic view of the unreeling assembly of the present invention;
FIG. 7 is a schematic view of the structure of the roll body of the present invention;
fig. 8 is a flow chart of the control device of the present invention.
The reference numerals are explained as follows:
1. a cabinet body; 2. a ventilation device; 21. a first ventilation mechanism; 211. fixing the cylinder; 2111. a first connection plate; 212. a movable cylinder; 2121. swinging the baffle; 2122. a second connecting plate; 213. a winding motor; 214. a filter screen; 215. unreeling the assembly; 2151. a fixing seat; 21511. a placement groove; 21512. a positioning groove; 2152. a roller body; 21521. a groove; 21522. an extrusion rod; 21523. a spring; 21524. a reduced diameter portion; 21525. a damping sleeve; 2153. a protective housing; 21531. a first semicircular shell; 21532. a second semicircular shell; 21533. a support rod; 216. a winding assembly; 217. a rotating motor; 218. a screw; 22. a second ventilation mechanism; 23. a gas dehumidifying mechanism; 231. an inner cylinder; 232. a dehumidifying plate; 234. a heating member; 24. a blower; 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 following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
1-8, an urban power supply ring main unit with an internal humidity detection and adjustment mechanism comprises a main unit 1 and a ventilation device 2, wherein the ventilation device 2 is arranged on the side wall of the main unit 1, the ventilation device 2 comprises a first ventilation mechanism 21, a second ventilation mechanism 22, a gas dehumidifying mechanism 23 and a fan 24, the outer wall of the main unit 1 is provided with the first ventilation mechanism 21 and the second ventilation mechanism 22 which are communicated with the inner cavity of the main unit 1 and can prevent dust from entering the inner cavity of the main unit 1, the second ventilation mechanism 22 is identical to the first ventilation mechanism 21 in structure, the position, corresponding to the first ventilation mechanism 21, of the inner wall of the main unit 1 is provided with the gas dehumidifying mechanism 23 which is communicated with the first ventilation mechanism 21, and one end, facing away from the first ventilation mechanism 21, of the gas dehumidifying mechanism 23 is provided with the fan 24, so that dust can be prevented from entering the inner cavity of the main unit 1 through the first ventilation mechanism 21 and the second ventilation mechanism 22, and the technical problem that a large amount of dust can be covered on the surface of a wiring terminal in the prior art is solved; the gas dehumidifying mechanism 23 is arranged to 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 and a movable cylinder 212 which are communicated with the gas dehumidification mechanism 23, and further comprises a driving component which can push the movable cylinder 212 outwards and can ensure that the movable cylinder 212 is tightly pressed on the fixed cylinder 211, one end of the fixed cylinder 211 corresponding to the gas dehumidification mechanism 23 is arranged 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 used 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 winding motor 213, an unreeling component 215 and a winding component 216, wherein the unreeling component 215 and the winding component 216 are respectively arranged on the outer walls of the cabinet body 1, which correspond to the upper part and the lower part of the fixed cylinder 211, the filter screen rolls in the unreeling component 215 and the winding component 216 are respectively connected with the corresponding ends of the filter screen 214, the filter screen rolls on the winding component 216 are in transmission fit with the output shaft of the winding motor 213 arranged on the outer wall of the cabinet body 1, so that the movable cylinder 212 can be far away from the fixed cylinder 211 through the driving component, and then the filter screen rolls on the winding component 216 are driven to rotate through the winding motor 213, so that the filter screen 214 part between the fixed cylinder 211 and the movable cylinder 212 is replaced by a new filter screen 214 part, and the function of manually replacing the filter screen is solved;
the movable cylinder 212 is hinged with the swing baffle 2121 used for preventing dust from entering the inner cavity of the movable cylinder 212 in idle time at one end inner cavity of the movable cylinder 211, when the swing baffle 2121 is in a vertical state, the swing baffle 2121 can prevent the inner cavity of the movable cylinder 212 from being communicated with the outside, the swing baffle 2121 can be set to be a larger plate, so that the movable cylinder 212 is convenient to produce, a plurality of smaller plates can also be set, when the plurality of smaller plates are in the vertical state, all the smaller plates are coplanar, gaps are hardly reserved between the adjacent plates, so that the inner cavity of the movable cylinder 212 is easier to open, and the swing baffle 2121 can be in a vertical state under the action of gravity when the fan 24 is not operated, so that the function of closing the inner cavity of the movable cylinder 212 is realized, and 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 unreeling assembly 215 includes a fixing seat 2151 and a roller body 2152 matched with the filter screen roll, the fixing seat 2151 is provided with two opposite fixing seats, the distance between the two fixing seats is greater than the length of the corresponding filter screen roll, the opposite positions of the upper ends of the fixing seats 2151 are respectively provided with a placing groove 21511 in damping rotation fit with the roller body 2152, thus the roller body 2152 can be fixed with the corresponding filter screen roll, the roller body 2152 is in rotation fit with the fixing seat 2151, the unreeling function can be realized, the reeling assembly 216 has the same structure as the unreeling assembly 215, and the roller body in the reeling assembly 216 is in transmission fit with the output end of the reeling motor 213, so the reeling function can be realized;
the roller body 2152 is uniformly provided with at least two grooves 21521 which are arranged along the axial direction of the roller body, the extrusion rod 21522 which is arranged along the axial direction of the roller body is movably matched in the groove 21521, and a spring 21523 which is used for extruding the extrusion rod 21522 outwards is arranged between the extrusion rod 21522 and the bottom of the groove 21521; the two ends of the roller body 2152 are provided with the diameter-reducing parts 21524 which are coaxial with the roller body, the outer wall of the diameter-reducing part 21524 is fixedly sleeved with the damping sleeve 21525 which is matched with the placing groove 21511, so that the extrusion rod 21522 can be extruded outwards through the elasticity of the spring 21523, the extrusion rod 21522 is contacted with the filter screen roll and has a certain acting force, the distance between the filter screen roll and the roller body 2152 is realized, and the damping sleeve 21525 is arranged at the two ends of the roller body 2152, so that the damping rotation fit between the roller body 2152 and the fixed seat 2151 is realized;
the periphery of the roller body 2152 is also provided with a protecting shell 2153 for preventing the corresponding filter screen roll from being attacked by dust, the roller body 2152 axially penetrates the protecting shell 2153 along the protecting shell 2153 and is in clearance fit with the protecting shell 2153, preferably the roller body 2152 is coaxial with the protecting shell 2153, the protecting 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 with the lower end of the second semicircular shell 21532, a notch for the filter screen 214 to pass through is arranged between the upper end of the first semicircular shell 21531 and the upper end of the second semicircular shell 21532, support rods 21533 are respectively arranged on two end faces of the first semicircular shell 21531 and the second semicircular shell 21532, a positioning groove 21512 matched with the support rods 21533 is arranged at the position of the fixing seat 2151, when the two support rods 21533 are placed in the corresponding positioning grooves 21512, the upper end of the first semicircular shell 21531 and the upper end of the second semicircular shell 21532 are mutually abutted against each other, and thus the upper end of the first semicircular shell 21531 and the second semicircular shell 21532 are not required to be fixed by other parts, and thus the filter screen roll is prevented from being attacked by the dust roll-preventing function of the filter screen roll on the filter screen roll.
In the third embodiment, on the basis of the first embodiment, the driving assembly includes a rotation motor 217 and a screw 218, a first connection plate 2111 is disposed on an end of the fixed cylinder 211 corresponding to the movable cylinder 212, a second connection plate 2122 opposite to the first connection plate 2111 is disposed on an end of the movable cylinder 212 corresponding to the fixed cylinder 211, the rotation motor 217 is mounted on a plate surface of the first connection plate 2111 facing away from the second connection plate 2122, the screw 218 coaxial with the rotation motor 217 is disposed at an output end of the rotation motor 217, the screw 218 sequentially passes through the first connection plate 2111 and the second connection plate 2122, and the shaft of the screw 218 is in rotation or clearance fit with the first connection plate 2111 and is in threaded fit with the second connection plate 2122, so that the screw 218 can be driven to rotate by the rotation motor 217 and the second connection plate 2122, so that the second connection plate 2122 can be driven to move, and the movable cylinder 212 can be driven to move, and the function of pushing the movable cylinder 212 outwards or pressing the movable cylinder 212 onto the fixed cylinder 211 can be realized.
In the fourth embodiment, based on the first embodiment, the gas dehumidifying mechanism 23 includes an inner cylinder 231 and a dehumidifying plate 232, wherein one end of the inner cylinder 231 corresponding to the fixed cylinder 211 is mounted on the inner wall of the cabinet body 1, a plurality of dehumidifying plates 232 are disposed in the inner cavity of the inner cylinder 231 in a manner of being opposite and spaced, and the plate surfaces of the dehumidifying plates 232 are disposed in parallel with the central axis of the inner cylinder 231, so that the outside entering gas is dehumidified by the dehumidifying plates 232, so that the gas entering the inner cavity of the cabinet body 1 is dry gas;
the inner cavity of the inner cylinder 231 is provided with a heating piece 234 between the dehumidifying plate 232 and the fan 24, the fan 24 is a positive and negative fan, the dehumidifying plate 232 is made of a silica gel material, the fan 24 can be reversed by setting, gas in the inner cavity of the inner cylinder 231 is heated by the heating piece 234 and then passes through the dehumidifying plate 232, the function of drying the dehumidifying plate 232 is realized, and in the process, external gas enters the inner cavity of the inner cylinder 231 through the second ventilation mechanism 22, and the function of recycling the dehumidifying plate 232 is realized.
The fifth embodiment further comprises a control device 3 for automatically controlling the ventilation device 2 to be opened or closed and automatically controlling the filter screen 214 between the fixed cylinder 211 and the movable cylinder 212, wherein the control device 3 comprises 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 outside temperature of the cabinet body 1, a second humidity sensor 35 for detecting the humidity of the dehumidification board 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 inner cavity air flow of the air dehumidification mechanism 23, an alarm 37, 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, and the winding motor 213, the rotating motor 217, the heating piece 234 and the fan 24 are in signal connection, so that the humidity of the inner cavity of the cabinet body 1 is automatically controlled, the humidity of the cabinet body 1 is realized, the temperature of the dehumidification board is reduced, the dehumidification board 232 is cooled according to the temperature of the inner cavity of the cabinet body 1, the humidity of the dehumidification board is further realized, the temperature of the dehumidification board is cooled and the humidity of the dehumidification board is further realized, the humidity of the dehumidification board is further can be cooled according to the humidity of the inner cavity 1 is reduced, and the humidity of the inner cavity is further realized, and the drying function is further realized, and the drying and the humidity is further is subjected to the drying and the temperature is subjected to the maintenance functions according to the temperature is.
In the above 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 fan 24 can be started to reduce the air pressure in the fixed cylinder 211, the movable cylinder 212 and the inner cylinder 231 by the fan 24, so that the swing baffle 2121 swings inwards, and therefore, the external air can enter the inner cavity of the cabinet body 1 after being dehumidified by the dehumidification plate 232 to realize the ventilation function, and the humid air in the inner cavity of the cabinet body 1 can be discharged to the outside through the second ventilation mechanism 22 to realize the dehumidification and cooling functions of the inner cavity of the cabinet body 1;
when the temperature of the inner cavity of the cabinet body 1 is lower than the temperature of the outside, the fan 24 and the heating piece 234 can be started, the fan 24 can reduce the air pressure in the fixed cylinder 211, the movable cylinder 212 and the inner cylinder 231, and then the swing baffle 2121 swings inwards, so that the outside air can enter the inner cavity of the cabinet body 1 after being dehumidified by the dehumidification plate 232 and heated by the heating piece 234, the ventilation function is realized, the temperature of the inner cavity of the cabinet body 1 is increased, and the condensation preventing function of the inner wall of the cabinet body 1 is realized;
when the humidity of the dehumidifying plate 232 is greater than the threshold value, the blower 24 and the heating element 234 can be started to enable the blower 24 to rotate reversely, the blower 24 enables the air pressure inside the fixed cylinder 211, the movable cylinder 212 and the inner cylinder 231 to rise, and then the swinging 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 function of recycling the dehumidifying plate 232 is realized;
when the air flow in the inner cavity of the air 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 218 to rotate, the screw 218 drives the movable cylinder 212 outwards, the movable cylinder 212 is far away from the fixed cylinder 211, then the winding motor 213 is started again, the winding motor 213 drives the filter screen roll on the unreeling assembly 215 to rotate, the function of winding old filter screens is achieved, at the moment, the filter screen 214 is replaced by a new filter screen, the distance of moving the filter screen 214 is carried out in the process, the winding motor 213 is controlled to be closed, the utilization rate of the filter screen 214 is guaranteed, then the rotating motor 217 is reversed, the movable cylinder 212 is close to the fixed cylinder 211, the clamping and fixing of the filter screen 214 are achieved, the function of automatically replacing the filter screen is achieved, and the ventilation efficiency is guaranteed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a city power supply looped netowrk cabinet with inside humidity detection 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 dehumidifying 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 (1) and can prevent dust from entering the inner cavity of the cabinet body, the second ventilation mechanism (22) is identical to the first ventilation mechanism (21) in structure, the position, corresponding to the first ventilation mechanism (21), of the inner wall of the cabinet body (1) is provided with the gas dehumidifying mechanism (23) communicated with the first ventilation mechanism (21), and one end, deviating from the first ventilation mechanism (21), of the gas dehumidifying mechanism (23) is provided with the fan (24);
the first ventilation mechanism (21) comprises a fixed cylinder (211) and a movable cylinder (212) which are communicated with the gas dehumidification mechanism (23), and further comprises a driving assembly which can push the movable cylinder (212) outwards and can ensure that the movable cylinder (212) is tightly pressed on the fixed cylinder (211), one end of the fixed cylinder (211) corresponding to the gas dehumidification mechanism (23) is arranged 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 assembly, a filter screen (214) which is used 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 which can automatically change 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);
the automatic net replacing structure comprises a winding motor (213), an unreeling component (215) and a winding component (216), wherein the unreeling component (215) and the winding component (216) are respectively installed on the outer walls of the upper and lower parts of the cabinet body (1) corresponding to the fixed cylinder (211), filter screen rolls in the unreeling component (215) and the winding component (216) are respectively connected with corresponding ends of the filter screen (214), and the filter screen rolls on the winding component (216) are in transmission fit with an output shaft of the winding motor (213) installed on the outer wall of the cabinet body (1);
the unreeling assembly (215) comprises a fixed seat (2151) and a roller body (2152) matched with the filter screen roll, wherein the fixed seat (2151) is provided with two opposite fixed seats, the distance between the fixed seats is larger than the length of the corresponding filter screen roll, and the opposite positions of the upper ends of the fixed seat (2151) are respectively provided with a placing groove (21511) in damping rotation fit with the roller body (2152);
the driving assembly comprises a rotating motor (217) and a screw (218), a first connecting plate (2111) is arranged on the fixed cylinder (211) corresponding to one end of the movable cylinder (212), a second connecting plate (2122) opposite to the first connecting plate (2111) is arranged on the movable cylinder (212) corresponding to one end of the fixed cylinder (211), and the rotating motor (217) is arranged on the surface, deviating from the second connecting plate (2122), of the first connecting plate (2111); the output end of the rotating motor (217) is provided with a screw rod (218) coaxial with the rotating motor, the screw rod (218) sequentially penetrates through the first connecting plate (2111) and the second connecting plate (2122), and the rod body of the screw rod (218) is in rotating or clearance fit with the first connecting plate (2111) and is in threaded fit with the second connecting plate (2122).
2. The urban power supply ring main unit provided with an internal humidity detection and adjustment mechanism according to claim 1, characterized in that: the roller body (2152) is uniformly provided with at least two grooves (21521) which are arranged along the axial direction of the roller body in a ring manner, an extrusion rod (21522) which is arranged along the axial direction of the roller body is movably matched in the grooves (21521), and a spring (21523) which is used for extruding the extrusion rod (21522) outwards is arranged between the extrusion rod (21522) and the bottom of the groove (21521); the two ends of the roller body (2152) are provided with diameter-reducing parts (21524) which are coaxial with the roller body, and damping sleeves (21525) matched with the placing grooves (21511) are fixedly sleeved on the outer walls of the diameter-reducing parts (21524).
3. The urban power supply ring main unit provided with an internal humidity detection and adjustment mechanism according to claim 1, characterized in that: the periphery of roll body (2152) still is equipped with protection shell (2153) that prevents that corresponding filter screen from rolling up by the dust invasion and attack, roll body (2152) runs through protection shell (2153) along protection shell (2153) axial, and with protection shell (2153) clearance fit, protection shell (2153) include first semicircle shell (21531), second semicircle shell (21532), first semicircle shell (21531) lower extreme and second semicircle shell (21532) lower extreme are articulated, be equipped with the breach that supplies filter screen (214) to pass through between first semicircle shell (21531) upper end and second semicircle shell (21532) upper end, first semicircle shell (21531) and second semicircle shell (21532) both ends face all are equipped with bracing piece (21533), the position that fixing base (2151) corresponds bracing piece (21533) is equipped with constant head tank (21512) with bracing piece (21533) matching.
4. The urban power supply ring main unit provided with an internal humidity detection and adjustment mechanism according to claim 1, characterized in that: one end inner cavity of the movable cylinder (212) deviating from the fixed cylinder (211) is hinged with a swinging baffle (2121) used for preventing dust from entering the inner cavity of the movable cylinder (212) in idle time.
5. The urban power supply ring main unit provided with an internal humidity detection and adjustment mechanism according to claim 1, characterized in that: the gas dehumidifying mechanism (23) comprises an inner cylinder body (231) and a dehumidifying plate (232), one end of the inner cylinder body (231) corresponding to the fixed cylinder body (211) is installed on the inner wall of the cabinet body (1), a plurality of dehumidifying plates (232) which are opposite and are arranged at intervals are arranged in the inner cavity of the inner cylinder body (231), and the plate surfaces of the dehumidifying plates (232) are arranged in parallel with the central axis of the inner cylinder body (231).
6. The urban power supply ring main unit provided with an internal humidity detection and adjustment mechanism according to claim 5, characterized in that: the inner cavity of the inner cylinder body (231) is provided with a heating piece (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.
7. The urban power supply ring main unit provided with an internal humidity detection and adjustment mechanism according to claim 1, characterized in that: the device comprises a ventilation device (2), a filter screen (214) between a fixed cylinder (211) and a movable cylinder (212), a control device (3) used for automatically controlling the ventilation device to be opened or closed and automatically controlling the replacement of the filter screen (214), the control device (3) comprises a controller (31), a first humidity sensor (32) used for detecting the humidity of the inner cavity of the cabinet body (1), a first temperature sensor (33) used for detecting the temperature of the inner cavity of the cabinet body (1), a second temperature sensor (34) used for detecting the outside temperature of the cabinet body (1), a second humidity sensor (35) used for detecting the humidity of a dehumidifying plate (232), a length sensor (36) used for detecting the moving distance of the filter screen (214), a flow rate sensor (38) used for detecting the flow rate of the inner cavity of the gas dehumidifying mechanism (23), an alarm (37), and 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), and the ventilation device (31) is in signal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111291204.1A CN113972584B (en) | 2021-11-03 | 2021-11-03 | Urban power supply ring main unit with internal humidity detection and adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111291204.1A CN113972584B (en) | 2021-11-03 | 2021-11-03 | Urban power supply ring main unit with internal humidity detection and adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113972584A CN113972584A (en) | 2022-01-25 |
| CN113972584B true CN113972584B (en) | 2023-10-20 |
Family
ID=79589414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111291204.1A Active CN113972584B (en) | 2021-11-03 | 2021-11-03 | Urban power supply ring main unit with internal humidity detection and adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113972584B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106368A (en) * | 1959-04-20 | 1963-10-08 | Atomic Energy Authority Uk | Cable winding apparatus |
| JPS62258723A (en) * | 1986-05-06 | 1987-11-11 | Hitachi Ltd | Air purifier with deodorizing function |
| CN2938495Y (en) * | 2006-08-25 | 2007-08-22 | 杨志强 | Ordinary temp, dehumidifier for electric cabinet |
| RU2335333C1 (en) * | 2007-07-03 | 2008-10-10 | Олег Савельевич Кочетов | Two-roll filter |
| CN105056658A (en) * | 2015-07-16 | 2015-11-18 | 杭州尚灵信息科技有限公司 | Automatic rolling filter screen system and implementation method |
| DE102016200448B3 (en) * | 2016-01-15 | 2016-04-14 | Koenig & Bauer Ag | Printing machine with ventilated housing |
| CN205657348U (en) * | 2016-05-17 | 2016-10-19 | 安徽师范大学 | Switch board heat radiation structure |
| KR101698188B1 (en) * | 2016-03-04 | 2017-01-19 | 사회복지법인 월남참전전우회 | Floating waste removal machine having protective function of rake and apron |
| CN207073912U (en) * | 2017-04-10 | 2018-03-06 | 中山市赛恩电器科技有限公司 | A kind of new blower fan for being easy to update filter screen |
| KR101893586B1 (en) * | 2018-03-19 | 2018-10-04 | 주식회사 에코이엔지 | Filter cartridge and Filter |
| WO2019105266A1 (en) * | 2017-11-30 | 2019-06-06 | 中车（天津）轨道交通设备有限公司 | Automatic air blowing and filtering system for air inlet of transportation tool |
| CN209260410U (en) * | 2018-11-06 | 2019-08-16 | 江苏福安特纺织机械制造有限公司 | A kind of automatic cleaning roller |
| CN209282682U (en) * | 2019-01-26 | 2019-08-20 | 浙江省现代建筑设计研究院有限公司 | A kind of medical building intelligent power distribution case |
| CN211456391U (en) * | 2019-12-23 | 2020-09-08 | 北京宏远创信能源管理有限公司 | Dustless formula energy-conserving block terminal |
| CN213212818U (en) * | 2020-07-24 | 2021-05-14 | 云南大恒润电气有限公司 | Block terminal that security performance is high |
| CN113068379A (en) * | 2021-03-24 | 2021-07-02 | 驻马店职业技术学院 | Dustproof rack of computer |
| CN113189382A (en) * | 2021-04-30 | 2021-07-30 | 国家电网有限公司 | Electric energy meter capable of automatically reporting power failure |
| CN214100308U (en) * | 2020-11-10 | 2021-08-31 | 联封电气(上海)有限公司 | Waterproof device for switch cabinet |
| CN214146049U (en) * | 2020-11-09 | 2021-09-07 | 武汉市辰鑫流体控制环保设备有限公司 | Fan filter screen convenient to dismantle and wash |
| WO2021179420A1 (en) * | 2020-03-10 | 2021-09-16 | 南京高立工程机械有限公司 | Intelligent integrated management system for lift-type buried ring main unit, and control method |
| CN214542955U (en) * | 2020-11-03 | 2021-10-29 | 中腾微网（北京）科技有限公司 | Dust keeper of little grid equipment |
-
2021
- 2021-11-03 CN CN202111291204.1A patent/CN113972584B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106368A (en) * | 1959-04-20 | 1963-10-08 | Atomic Energy Authority Uk | Cable winding apparatus |
| JPS62258723A (en) * | 1986-05-06 | 1987-11-11 | Hitachi Ltd | Air purifier with deodorizing function |
| CN2938495Y (en) * | 2006-08-25 | 2007-08-22 | 杨志强 | Ordinary temp, dehumidifier for electric cabinet |
| RU2335333C1 (en) * | 2007-07-03 | 2008-10-10 | Олег Савельевич Кочетов | Two-roll filter |
| CN105056658A (en) * | 2015-07-16 | 2015-11-18 | 杭州尚灵信息科技有限公司 | Automatic rolling filter screen system and implementation method |
| DE102016200448B3 (en) * | 2016-01-15 | 2016-04-14 | Koenig & Bauer Ag | Printing machine with ventilated housing |
| KR101698188B1 (en) * | 2016-03-04 | 2017-01-19 | 사회복지법인 월남참전전우회 | Floating waste removal machine having protective function of rake and apron |
| CN205657348U (en) * | 2016-05-17 | 2016-10-19 | 安徽师范大学 | Switch board heat radiation structure |
| CN207073912U (en) * | 2017-04-10 | 2018-03-06 | 中山市赛恩电器科技有限公司 | A kind of new blower fan for being easy to update filter screen |
| WO2019105266A1 (en) * | 2017-11-30 | 2019-06-06 | 中车（天津）轨道交通设备有限公司 | Automatic air blowing and filtering system for air inlet of transportation tool |
| KR101893586B1 (en) * | 2018-03-19 | 2018-10-04 | 주식회사 에코이엔지 | Filter cartridge and Filter |
| CN209260410U (en) * | 2018-11-06 | 2019-08-16 | 江苏福安特纺织机械制造有限公司 | A kind of automatic cleaning roller |
| CN209282682U (en) * | 2019-01-26 | 2019-08-20 | 浙江省现代建筑设计研究院有限公司 | A kind of medical building intelligent power distribution case |
| CN211456391U (en) * | 2019-12-23 | 2020-09-08 | 北京宏远创信能源管理有限公司 | Dustless formula energy-conserving block terminal |
| WO2021179420A1 (en) * | 2020-03-10 | 2021-09-16 | 南京高立工程机械有限公司 | Intelligent integrated management system for lift-type buried ring main unit, and control method |
| CN213212818U (en) * | 2020-07-24 | 2021-05-14 | 云南大恒润电气有限公司 | Block terminal that security performance is high |
| CN214542955U (en) * | 2020-11-03 | 2021-10-29 | 中腾微网（北京）科技有限公司 | Dust keeper of little grid equipment |
| CN214146049U (en) * | 2020-11-09 | 2021-09-07 | 武汉市辰鑫流体控制环保设备有限公司 | Fan filter screen convenient to dismantle and wash |
| CN214100308U (en) * | 2020-11-10 | 2021-08-31 | 联封电气(上海)有限公司 | Waterproof device for switch cabinet |
| CN113068379A (en) * | 2021-03-24 | 2021-07-02 | 驻马店职业技术学院 | Dustproof rack of computer |
| CN113189382A (en) * | 2021-04-30 | 2021-07-30 | 国家电网有限公司 | Electric energy meter capable of automatically reporting power failure |
Non-Patent Citations (2)
| Title |
|---|
| 电力系统中配电线路运行故障的检修研究;王智攀;;城市建设理论研究(电子版)(第10期);第14-15页 * |
| 马鑫.配电网存在的问题及配电线路安全运行管理措施.环渤海经济瞭望.2019,(第12期),第144-145页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113972584A (en) | 2022-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107240871B (en) | A kind of ring main unit with heat dissipation and antifogging function | |
| CN113972584B (en) | Urban power supply ring main unit with internal humidity detection and adjustment mechanism | |
| CN208299233U (en) | A kind of high-voltage ring main unit with dehumidifying and cooling function | |
| CN107093858B (en) | Control method for microenvironment in ring main unit | |
| CN110445029B (en) | Switch cabinet operation environment improvement system and method | |
| CN209929734U (en) | Combined high-voltage ring main unit | |
| CN106025866A (en) | Integrated distribution box with temperature-humidity control devices | |
| CN113690745B (en) | KNY28 centrally installed switchgear with dehumidifying function and anti-jump function | |
| CN210669061U (en) | Open-air electric power cabinet | |
| CN206479862U (en) | A kind of device for monitoring terminal box of transformer substation humiture | |
| CN218997471U (en) | Building electric power transmission and distribution box | |
| CN113078569A (en) | Moisture-proof mechanism of alternating current metal closed ring network switch equipment | |
| CN208094028U (en) | A kind of 10kV ring main units | |
| CN220857296U (en) | Dampproofing switch board cabinet body | |
| CN220401150U (en) | Safety protection block terminal | |
| CN219535241U (en) | High tension switchgear with dehumidification effect | |
| CN219576232U (en) | Distribution box capable of dehumidifying | |
| CN219811822U (en) | Adjustable switch cabinet | |
| CN220754050U (en) | Safe type block terminal | |
| CN219937731U (en) | Intelligent monitoring device | |
| CN212908562U (en) | Microcomputer type direct-current power supply cabinet | |
| CN116316188B (en) | Ring main unit convenient to install and maintain | |
| CN116191259B (en) | Heat dissipation and moisture prevention device and method for electrical control cabinet | |
| CN220273019U (en) | High-low voltage distribution box with dampproofing function | |
| CN215267736U (en) | Charging case of 5G basic station with regulatory function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |