CN114050484B - Multifunctional transformer box and installation method - Google Patents
Multifunctional transformer box and installation method Download PDFInfo
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- CN114050484B CN114050484B CN202111305874.4A CN202111305874A CN114050484B CN 114050484 B CN114050484 B CN 114050484B CN 202111305874 A CN202111305874 A CN 202111305874A CN 114050484 B CN114050484 B CN 114050484B
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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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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- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- Automation & Control Theory (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a multifunctional transformer box and an installation method in the technical field of transformer box protection, and the multifunctional transformer box comprises a box body, wherein the lower end of the box body is fixedly connected with a support column, and the lower end of the support column is fixedly connected with a cement platform; the upper end of the box body, the bottom end of the inner wall and the upper end of the cement platform are rotatably connected with fans, and the three fans are mutually connected in a transmission manner; the lower end of the box body and the upper and lower ends of the two side walls are respectively provided with a vent in a penetrating way, the fan in the box body is externally connected with a driving motor, a temperature sensing mechanism is arranged in the box body, and the temperature sensing mechanism is used for starting the driving motor to drive the fan in the box body to rotate for heat dissipation after the temperature in the box body reaches a threshold value; the heat accumulation before the temperature of the box body reaches the threshold value is slowed down, animals are prevented from nesting and moving on the box body to cause potential safety hazards, and a safe and reliable working environment is provided for electronic elements in the transformer box.
Description
Technical Field
The invention relates to the technical field of transformer box protection, in particular to a multifunctional transformer box and an installation method.
Background
The transformer box is a box body of a place for transforming, concentrating and distributing voltage and current of electric energy in an electric power system, and in order to ensure the quality of the electric energy and the safety of equipment, the transformer box is also required to carry out voltage regulation, tide (flow direction and distribution of voltage, current and power in each node and branch in the electric power system) control and protection of a power transmission and distribution line and main electric equipment, and is mainly used for protecting electric power facilities.
The traditional transformer box mostly adopts natural heat dissipation or fan-driven heat dissipation in the heat dissipation process, the heat dissipation effect of the former is poor, the latter generally starts a fan to quickly dissipate heat after the temperature in the transformer box rises to a threshold value, and the natural heat dissipation is also performed before the fan starts, so that the temperature in the transformer box is easy to accumulate, the use frequency and the energy consumption of the fan are increased, and the temperature in the transformer box is difficult to dissipate and always interferes with electronic elements in the transformer box before the fan starts, so that the working environment of the electronic elements in the transformer box is poor, and the service life is shortened; meanwhile, factors such as cost and strength of the transformer box need to be considered in production of the transformer box, the transformer box is made of metal materials mostly and is easy to corrode, accumulated water is easy to generate at the bottom of the outdoor transformer box under the interference of factors such as overcast, rain and dew, the corrosion of the transformer box is accelerated, the service life of the transformer box is influenced, after the transformer box is corroded, the protection strength of electronic elements in the transformer box is weakened, the working environment of the electronic elements in the transformer box is poor, and the service life of the electronic elements is shortened; moreover, the outdoor transformer box may have problems that animals nest thereon or the animals are transferred into the transformer box, and the like, so that the accident risk is increased, and the final use environment of electronic elements in the transformer box is influenced.
Based on the above, the invention designs a multifunctional transformer box and an installation method thereof, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a multifunctional transformer box and an installation method, and aims to solve the problems that the traditional transformer box in the background art mostly adopts natural heat dissipation or fan-driven heat dissipation in the heat dissipation process, the former has poor heat dissipation effect, the latter generally starts a fan to quickly dissipate heat after the temperature in the transformer box rises to a threshold value, and the fan naturally dissipates heat before starting, so that the temperature in the transformer box is easy to accumulate, the use frequency and the energy consumption of the fan are increased, and the temperature in the transformer box is not easy to dissipate and always interferes with electronic elements in the transformer box before starting, so that the working environment of the electronic elements in the transformer box is poor, and the service life is shortened; meanwhile, factors such as cost and strength of the transformer box need to be considered in production of the transformer box, the transformer box is made of metal materials mostly and is easy to corrode, accumulated water is easy to generate at the bottom of the outdoor transformer box under the interference of factors such as overcast, rain and dew, the corrosion of the transformer box is accelerated, the service life of the transformer box is influenced, after the transformer box is corroded, the protection strength of electronic elements in the transformer box is weakened, the working environment of the electronic elements in the transformer box is poor, and the service life of the electronic elements is shortened; moreover, the outdoor transformer box may have problems that animals nest thereon or the animals are transferred into the transformer box, so that the accident risk is increased, and the final use environment of electronic elements in the transformer box is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional transformer box comprises a box body, wherein a support column is fixedly connected to the lower end of the box body, and a cement platform is fixedly connected to the lower end of the support column; the upper end of the box body, the bottom end of the inner wall and the upper end of the cement platform are rotatably connected with fans, and the three fans are mutually connected in a transmission manner; the fan is provided with a fan, the fan is connected with a fan driving mechanism, the fan is connected with a temperature sensing mechanism, the temperature sensing mechanism is arranged in the box, and the temperature sensing mechanism is used for starting the driving motor to drive the fan in the box to rotate and radiate after the temperature in the box reaches a threshold value.
As a further scheme of the invention, the fan comprises a plurality of fan blades which are arranged at equal angles, and the fan blades and a vertical plane form a fixed oblique angle, so that when the driving motor drives the fan to rotate, the wind direction faces downwards; the fan lower extreme fixedly connected with connecting axle of box upper end, connecting axle lower extreme and the fan fixed connection of cement platform upper end, the fan of box upper end can drive other two fans to rotate through the connecting axle, the fan in the connecting axle runs through the box, and the connecting axle passes through the ratchet and drives the fan in the box and rotate along driving motor direction of drive.
As a further scheme of the invention, the fan comprises a main shaft, wherein a fixed sleeve is fixedly connected with the side wall of the main shaft at equal angles, the end part of the fixed sleeve is rotatably connected with a gear, the inner wall of the gear is fixedly connected with a bidirectional torsion spring, a rotating shaft is fixedly connected in the bidirectional torsion spring, and the rotating shaft extends into the fixed sleeve and is rotatably connected with the side wall of the main shaft; the upper end and the front end of the inner wall of the fixed sleeve are fixedly connected with buckles, the two sides of each buckle are vertically and slidably connected with wedge blocks, wedge surfaces of the wedge blocks face the two sides of each buckle, the upper end of the rotating shaft is vertically and slidably connected with a pin disc, the left side and the right side of the pin disc are fixedly connected with positioning pins, the lower end of the pin disc is fixedly connected with a spring column, the spring column is fixedly connected with the rotating shaft, the positioning pin on the left side is located at the wedge block at the upper end, and the front end and the rear end of the inner wall of the gear are fixedly connected with trigger blocks corresponding to the positions of the positioning pins on the right side; the lower end of the main shaft is connected with a mounting disc in a sliding manner, the positions of the upper end of the mounting disc, which correspond to the gears, are vertically and fixedly connected with racks, the racks are meshed with the gears, and the temperature sensing mechanism can control the main shaft to slide upwards relative to the mounting disc after a threshold value is reached; and one end of the rotating shaft, which is far away from the main shaft, is fixedly connected with a fan blade.
As a further scheme of the invention, the outer wall of the bottom of the box body is transversely connected with a sliding frame in a sliding manner, fixed rods are fixedly connected in the sliding frame at equal intervals, the side walls of the fixed rods are fixedly connected with first rubber pads, the first rubber pads are opposite to the ventilation openings, a fixed ring is fixedly connected on the connecting shaft below the box body, the fixed ring is rotatably connected with a connecting rod, and the other end of the connecting rod is rotatably connected with the sliding frame.
As a further scheme of the invention, second rubber strips are arranged at the air vents at the lower ends of the two sides of the inner wall of the box body, and the upper ends of the second rubber strips are fixedly connected with the inner wall of the box body, so that one-way air valves which can only allow air to enter from the outside to the inside of the box body are formed at the air vents at the lower ends of the two sides of the box body.
As a further scheme of the invention, the temperature sensing mechanism comprises a first connecting rod, the first connecting rod is fixedly connected with the inner wall of the upper end of the box body, the lower end of the first connecting rod is fixedly connected with a telescopic hydraulic cylinder, the upper end of the telescopic hydraulic cylinder is fixedly connected with a second connecting rod, the second connecting rod is fixedly connected with a turntable, the turntable is rotatably connected with the connecting shaft, a position sensor is arranged in the telescopic hydraulic cylinder, and the position sensor can control the driving mechanism to start after the telescopic hydraulic cylinder extends to a threshold value.
As a further scheme of the invention, the upper end of the box body is fixedly connected with a drainage cover, and a central opening of the drainage cover is used for placing a fan at the upper end of the box body.
As a further scheme of the invention, a dustproof net and a waterproof surface are respectively arranged in the ventilation port.
A multifunctional transformer box installation method comprises the following specific steps:
s1, when the temperature in the box body is lower than a threshold value during working, all fans are driven by natural wind to rotate to carry out heat dissipation on the interior of the box body;
s2, after the temperature in the box body reaches a threshold value, the temperature sensing mechanism starts the driving motor, so that the driving motor drives the fan in the box body to rotate, and the interior of the box body is rapidly cooled;
s3, when each fan rotates to dissipate heat, the bottom of the box body is easy to accumulate water, and the box body is dried to prevent corrosion.
Compared with the prior art, the invention has the beneficial effects that:
1. the fan at the upper end of the box body drives the fan in the box body by utilizing natural wind in an indefinite time manner, so that the high-efficiency heat dissipation can be carried out in an indefinite time manner before the temperature of the box body reaches a threshold value, the heat accumulation before the temperature of the box body reaches the threshold value is relieved, the use environment of an electronic component is improved, the heat dissipation stability of the whole box body is guaranteed by the active driving of the driving motor, the fan at the upper end of the cement platform can rotate at the bottom of the box body to form airflow, the moisture at the bottom of the box body is evaporated in a blowing manner, the drying degree of the bottom of the box body is improved, the corrosion of the box body is further prevented, the service life of the box body is prolonged, the fan at the upper end of the box body and the fan at the upper end of the cement platform can drive nearby animals in the rotating process, the animals are prevented from nesting and moving on the box body to cause potential safety hazards, and further, and a safe and reliable working environment is provided for the electronic component in the transformer box.
2. The wind direction of the fan in the box body is fixed by arranging the angle of the fan blades and matching with the ratchet wheel, the problem that the fan in the box body is exhausted from the bottom of the box body and blows into the box body, a large amount of water vapor is brought into the box body, the temperature of the box body is low, the evaporation effect of the water vapor is poor, the water vapor is condensed on an electronic element, and the electronic element is short-circuited is solved, and meanwhile, when the fan in the box body is driven by a driving mechanism to rotate, the fan at the upper end of the load box body and the fan at the upper end of a cement platform rotate, and unnecessary work of the driving mechanism is avoided; the working environment of the electronic elements in the box body is more stable, and the load of the driving mechanism is lower.
3. Through the reversing mechanism who sets up the fan, when making the fan initiative heat dissipation in the box, can dispel the heat by the lower air of box below extraction temperature to radiating efficiency is accelerated, makes whole device efficiency higher, and is more intelligent.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall front cross-section of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is an enlarged view of the point B in FIG. 3;
FIG. 5 is a schematic view of a fan structure;
FIG. 6 is a cross-sectional view of the trigger block of FIG. 5;
FIG. 7 is an enlarged view of FIG. 6 at C;
FIG. 8 is a cross-sectional view of the snap fastener of FIG. 5;
FIG. 9 is an enlarged view of FIG. 8 at D;
FIG. 10 is an enlarged view of E in FIG. 9;
FIG. 11 is a bottom cross-sectional view of the overall slider frame of the present invention;
FIG. 12 is an enlarged view of FIG. 10 at F;
FIG. 13 is a flow chart of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a box body 1, a support column 11, a cement platform 12, a vent 13, a main shaft 21, a fixing sleeve 22, a gear 23, a trigger block 231, a bidirectional torsion spring 24, a rotating shaft 25, a buckle 26, a wedge-shaped block 261, a pin disc 27, a positioning pin 271, a spring column 272, a mounting disc 28, a rack 281, fan blades 29, a connecting shaft 3, a sliding frame 41, a fixing rod 42, a first rubber pad 43, a fixing ring 44, a connecting rod 45, a second rubber strip 5, a first connecting rod 61, a telescopic hydraulic cylinder 62, a second connecting rod 63, a rotary disc 64 and a drainage cover 7.
Detailed Description
Referring to fig. 1-13, the present invention provides a technical solution: a multifunctional transformer box comprises a box body 1, wherein the lower end of the box body 1 is fixedly connected with a support column 11, and the lower end of the support column 11 is fixedly connected with a cement platform 12; the upper end of the box body 1, the bottom end of the inner wall and the upper end of the cement platform 12 are rotatably connected with fans, and the three fans are mutually connected in a transmission manner; the ventilation openings 13 are formed in the upper end and the lower end of the box body 1 and the upper end and the lower end of the two side walls in a penetrating mode, the fan in the box body 1 is externally connected with a driving motor, a temperature sensing mechanism is arranged in the box body 1, and the driving motor is started to drive the fan in the box body 1 to rotate to dissipate heat after the temperature in the box body 1 reaches a threshold value.
The traditional transformer box mostly adopts natural heat dissipation or fan-driven heat dissipation in the heat dissipation process, the heat dissipation effect of the former is poor, the latter generally starts a fan to quickly dissipate heat after the temperature in the transformer box rises to a threshold value, and the natural heat dissipation is also performed before the fan starts, so that the temperature in the transformer box is easy to accumulate, the use frequency and the energy consumption of the fan are increased, and the temperature in the transformer box is difficult to dissipate and always interferes with electronic elements in the transformer box before the fan starts, so that the working environment of the electronic elements in the transformer box is poor, and the service life is shortened; meanwhile, factors such as cost, strength and the like are required to be considered in the production of the transformer box, the transformer box is made of metal materials and is easy to corrode, accumulated water is easy to generate at the bottom of the outdoor transformer box under the interference of factors such as rain and dew and the like, the corrosion of the transformer box is accelerated, the service life of the transformer box is influenced, after the transformer box is corroded, the protection strength of electronic elements in the transformer box is weakened, the working environment of the electronic elements in the transformer box is poor, and the service life of the electronic elements is shortened; moreover, the outdoor transformer box may have problems that animals nest thereon or the animals are transferred into the transformer box, so that the accident risk is increased, and the final use environment of electronic elements in the transformer box is influenced.
When the box body 1 is in work, when the temperature in the box body 1 is lower than a threshold value, the fan at the upper end of the box body 1 is driven by natural wind to rotate, and when the fan at the upper end of the box body 1 rotates, the fan at the upper end of the box body 1 is in transmission connection with other fans to drive other fans to rotate, so that heat is radiated inside the box body 1; in the process, the fan at the upper end of the cement platform 12 rotates at the bottom of the box body 1 to form airflow, and the moisture at the bottom of the box body 1 is evaporated in a blowing mode, so that the drying degree of the bottom of the box body 1 is improved, the box body 1 is prevented from being corroded, and the service life of the box body 1 is prolonged; the fan in the box body 1 rotates at the lower end in the box body 1, so that air pressure difference is formed between the upper end and the lower end in the box body 1, airflow is further formed, air in the box body 1 can form communication with external air through the ventilation opening 13, the temperature of the air in the box body 1 is further reduced, and then electronic elements in the box body 1 are cooled; when the temperature in the box body 1 reaches a threshold value, the temperature sensing mechanism starts the driving motor, so that the driving motor drives the fan in the box body 1 to rotate, the inside of the box body 1 is rapidly radiated, and the temperature in the box body 1 is reduced; meanwhile, the fan at the upper end of the box body 1 and the fan at the upper end of the cement platform 12 are used for driving animals nearby the box body 1, so that the animals are prevented from nesting and moving on the box body 1, and potential safety hazards are prevented.
According to the invention, the fan at the upper end of the box body 1 is used for driving the fan in the box body 1 by utilizing natural wind at variable time, so that the temperature of the box body 1 can be efficiently dissipated before reaching a threshold value at variable time, the heat accumulation before the temperature of the box body 1 reaches the threshold value is slowed down, the use environment of electronic elements is improved, the active driving of the driving motor also ensures the stable heat dissipation of the whole box body 1, the fan at the upper end of the cement platform 12 can rotate at the bottom of the box body 1 to form airflow, the moisture at the bottom of the box body 1 is evaporated in a blowing mode, the drying degree at the bottom of the box body 1 is improved, the corrosion of the box body 1 is further prevented, the service life of the box body 1 is prolonged, and the fan at the upper end of the box body 1 and the fan at the upper end of the cement platform 12 can drive nearby animals in the rotating process, so that the animals are prevented from nesting and moving on the box body 1 to cause potential safety hazards, and further, and a safe and reliable working environment is provided for the electronic elements in the transformer box.
The fan comprises a plurality of fan blades 29 which are arranged at equal angles, and the fan blades 29 and a vertical plane form a fixed oblique angle, so that when the driving motor drives the fan to rotate, the wind direction faces downwards; the fan lower extreme fixedly connected with connecting axle 3 of box 1 upper end, the fan fixed connection of 3 lower extremes of connecting axle and cement platform 12 upper ends, the fan of box 1 upper end can drive other two fans to rotate through connecting axle 3, connecting axle 3 runs through the fan in the box 1, and connecting axle 3 passes through the fan that the ratchet drove the box 1 in and rotates along driving motor drive direction.
When the temperature of the box body 1 reaches a threshold value, a fan at the upper end of the box body 1 drives a fan at the upper end of a cement platform 12 to synchronously rotate through a connecting shaft 3, wherein when the fan at the upper end of the box body 1 and the driving direction of a driving motor are in the same direction, the connecting shaft 3 drives the fan in the box body 1 to rotate through a ratchet wheel and drives air in the box body 1 to blow downwards, so that the air is discharged from a vent 13 at the lower end of the box body 1; when the temperature of the box body 1 reaches the threshold value, the driving mechanism drives the fan in the box body 1 to rotate, and the fan in the box body 1 is in ratchet wheel linkage with the connecting shaft 3, so that the fan in the box body 1 cannot drive the connecting shaft 3 to rotate, the driving mechanism does not need to load the rotation of the fan at the upper end of the box body 1 and the fan at the upper end of the cement platform 12, and unnecessary work of the driving mechanism is reduced.
According to the invention, the wind direction of the fan in the box body 1 is fixed by arranging the angle matching ratchet wheel of the fan blade 29, the problem that the fan in the box body 1 is blown into the box body 1 by air suction from the bottom of the box body 1, a large amount of water vapor is brought into the box body 1, the temperature of the box body 1 is low, the evaporation effect of the water vapor is poor, the water vapor is condensed onto an electronic element, and the electronic element is short-circuited is solved, and meanwhile, when the fan in the box body 1 is driven by a driving mechanism to rotate, the fan at the upper end of the load box body 1 and the fan at the upper end of the cement platform 12 rotate, and unnecessary work of the driving mechanism is avoided; the working environment of the electronic elements in the box body 1 is more stable, and the load of the driving mechanism is lower.
As a further scheme of the present invention, the fan includes a main shaft 21, a fixed sleeve 22 is fixedly connected to a side wall of the main shaft 21 at an equal angle, a gear 23 is rotatably connected to an end of the fixed sleeve 22, a bidirectional torsion spring 24 is fixedly connected to an inner wall of the gear 23, a rotating shaft 25 is fixedly connected to an inside of the bidirectional torsion spring 24, and the rotating shaft 25 extends into the fixed sleeve 22 and is rotatably connected to a side wall of the main shaft 21; the upper end and the front end of the inner wall of the fixed sleeve 22 are fixedly connected with a buckle 26, two sides of the buckle 26 are vertically and slidably connected with a wedge block 261, the wedge surface of the wedge block 261 faces two sides of the buckle 26, the upper end of the rotating shaft 25 is vertically and slidably connected with a pin disc 27, the left side and the right side of the pin disc 27 are fixedly connected with positioning pins 271, the lower end of the pin disc 27 is fixedly connected with a spring column 272, the spring column 272 is fixedly connected with the rotating shaft 25, the positioning pin 271 at the left side is positioned at the wedge block 261 at the upper end, and the front end and the rear end of the inner wall of the gear 23 are fixedly connected with a trigger block 231 corresponding to the position of the positioning pin 271 at the right side; the lower end of the main shaft 21 is slidably connected with a mounting disc 28, the upper end of the mounting disc 28 corresponding to the gear 23 is vertically and fixedly connected with a rack 281, the rack 281 is meshed with the gear 23, and the temperature sensing mechanism can control the main shaft 21 to slide upwards relative to the mounting disc 28 after reaching a threshold value; the end of the rotating shaft 25 far away from the main shaft 21 is fixedly connected with a fan blade 29.
In operation, before the temperature in the box 1 reaches the threshold value, the fan normally rotates, after the temperature in the box 1 reaches the threshold value, the temperature-sensing mechanism controls the spindle 21 to slide upward relative to the mounting plate 28, at this time, the gear 23 slides upward relative to the rack 281, further, the rack 281 rotates the gear 23 clockwise (referring to fig. 3 and 7, the clockwise rotation of the gear 23 will drive the bidirectional torsion spring 24 to rotate clockwise, and at this time, the left positioning pin 271 on the pin disc 27 is located between the wedge-shaped blocks 261 on the buckle 26, so that the rotating shaft 25 is limited by the buckle 26 and cannot rotate, further, the gear 23 rotates clockwise relative to the rotating shaft 25, the bidirectional torsion spring 24 starts to be twisted tightly), (as shown in fig. 7), after the clockwise rotation of the gear 23 ninety degrees, the left trigger block 231 on the inner wall of the gear 23 reaches the right positioning pin 271 and presses the positioning pin 271 downward, the further right positioning pin disc 271 drives the pin disc 27 to move downward, the left positioning pin 271 is moved down and separated from the buckle 26, at this time, the rotating shaft 25 is not limited any more, under the elastic force of the bidirectional torsion spring 24, the rotating shaft 25 rotates clockwise and drives the fan blade 29 to rotate clockwise, so that when the driving motor drives the fan to rotate, the wind direction is upward (in this process, the rotating shaft 25 rotates clockwise to make the pin disc 27 reach between the two trigger blocks 231 again, and after rotating clockwise along with the rotating shaft 25 and making the pin disc 27 separate from the trigger blocks 231, the pin disc 27 moves up and resets under the elastic force of the spring column 272, after the left positioning pin 271 rotates clockwise to the right buckle 26, the positioning pin 271 extrudes the wedge surface of the wedge 261, the wedge 261 contracts inwards the buckle 26, so that the positioning pin 271 enters between the two wedge 261, and the previously contracted wedge 261 resets under the action of the elastic mechanism, and cooperates with another wedge-shaped block 261 to limit the positioning pin 271); furthermore, when the fan in the box body 1 rapidly dissipates heat, air with lower temperature is extracted from the lower part of the box body 1 to dissipate heat, so that the heat dissipation efficiency is accelerated; after the temperature in the box body 1 drops, the temperature sensing mechanism controls the main shaft 21 to slide downwards relative to the mounting disc 28 for resetting, so that the rack 281 drives the gear 23 to rotate anticlockwise, after the gear 23 rotates ninety degrees anticlockwise, the right trigger block 231 on the inner wall of the gear 23 reaches the right positioning pin 271 and extrudes the positioning pin 271 downwards, the left positioning pin 271 is separated from the right buckle 26, at the moment, the rotating shaft 25 drives the fan blade 29 to rotate anticlockwise for resetting, and drives the left positioning pin 271 to rotate to the upper end, and the left positioning pin 271 is clamped with the buckle 26 again.
Through the reversing mechanism who sets up the fan, when making the fan initiative heat dissipation in the box 1, can dispel the heat by the lower air of box 1 below extraction temperature to accelerate the radiating efficiency, make the overall installation efficiency higher, it is more intelligent.
As a further scheme of the invention, the outer wall of the bottom of the box body 1 is transversely connected with a sliding frame 41 in a sliding manner, fixed rods 42 are fixedly connected in the sliding frame 41 at equal intervals, the side walls of the fixed rods 42 are fixedly connected with first rubber pads 43, the first rubber pads 43 are opposite to the ventilation openings 13, a fixed ring 44 is fixedly connected on the connecting shaft 3 below the box body 1, the fixed ring 44 is rotatably connected with a connecting rod 45, and the other end of the connecting rod 45 is rotatably connected with the sliding frame 41.
When the air-blowing type cement platform works, before the temperature in the box body 1 reaches a threshold value, the first rubber pad 43 is attached to the vent 13 on the outer wall of the bottom of the box body 1 to form a one-way air valve which can only vent air from the inside of the box body 1 to the outside, so that when a fan at the upper end of the cement platform 12 blows air upwards, the air flow cannot enter the box body 1, water vapor is prevented from entering, the drying environment in the box body 1 is further maintained, and a good working environment is provided for electronic elements; after the temperature in the box body 1 reaches the threshold value, (as shown in fig. 2) the connecting shaft 3 moves upwards, further, one end of the connecting rod 45 close to the connecting shaft 3 moves upwards, one end of the connecting rod 45 connected with the sliding frame 41 is far away from the connecting shaft 3, and then the sliding frame 41 is driven to be far away from the connecting shaft 3, so that the first rubber pad 43 and the vent 13 are staggered with each other and do not block the vent 13 any more, when the driving mechanism drives the fan in the box body 1 to blow upwards, the airflow can enter the box body 1 through the vent 13 at the bottom of the box body 1, and the cooling effect is better (compared with the air at two sides of the box body 1, firstly, the air at the bottom of the box body 1 is lower in height, according to the characteristic that the air is heated to move upwards, the air at the bottom of the box body 1 is lower in temperature, and secondly, the air at the bottom of the box body 1 is shielded by the box body 1 and is not easy to receive direct sunlight, so that the temperature is lower).
As a further scheme of the invention, the ventilation openings 13 of the inner wall of the box body 1, which are positioned at the lower ends of the two sides, are provided with second rubber strips 5, and the upper ends of the second rubber strips 5 are fixedly connected with the inner wall of the box body 1, so that the ventilation openings 13 of the lower ends of the two sides of the box body 1 form one-way air valves which can only intake air from the outside to the inside of the box body 1.
The during operation, before the temperature in the box 1 reaches the threshold value, under the fan effect in the box 1, the air current in the box 1 circulates from top to bottom, and vent 13 department that is located the both sides lower extreme at box 1 inner wall all sets up second rubber strip 5 after, the higher air current of temperature in the box 1 can only be by box 1 bottom discharge box 1, and then the higher air current of temperature flows through box 1 below, strengthens the drying effect to box 1, prevents that box 1 from corroding.
As a further scheme of the present invention, the temperature sensing mechanism includes a first connecting rod 61, the first connecting rod 61 is fixedly connected with an inner wall of an upper end of the box body 1, a telescopic hydraulic cylinder 62 is fixedly connected to a lower end of the first connecting rod 61, a second connecting rod 63 is fixedly connected to an upper end of the telescopic hydraulic cylinder 62, the second connecting rod 63 is fixedly connected to a turntable 64, the turntable 64 is rotatably connected to the connecting shaft 3, a position sensor is disposed in the telescopic hydraulic cylinder 62, and the position sensor can control the driving mechanism to start after the telescopic hydraulic cylinder 62 extends to a threshold value.
During operation, (as shown in fig. 2) along with the temperature rise in the box 1, the liquid in the flexible pneumatic cylinder 62 begins to be heated and expands, and then upwards extend, and then drive connecting axle 3 rebound, with this turn to of triggering the fan, the control that makes the fan turn to is through the physical property control that liquid is heated and expands, the control source is more stable for electrical element, and need not extra additional power supply, and set up flexible pneumatic cylinder 62 in box 1 upper end, make the temperature variation in flexible pneumatic cylinder 62 can feed back box 1 more in time, make the equipment cooling more timely.
As a further scheme of the invention, the upper end of the box body 1 is fixedly connected with a drainage cover 7, and a central opening of the drainage cover 7 is used for placing a fan at the upper end of the box body 1.
The during operation, when box 1 upper end fan during operation, make the air current increase the area of contact of air current and box 1 upper end by flowing in drainage lid 7, increase the radiating effect, and drainage lid 7 sets up the back, can form a good guard action to box 1 upper end, when preventing special situations such as falling rocks, box 1 upper end can receive direct injury, and further electronic component to in the box 1 plays good guard action.
As a further aspect of the present invention, a dust screen and a waterproof surface are provided in the ventilation opening 13, respectively.
During operation, the dust screen and the waterproof surface filter the gas entering the box body 1 from the vent 13, and prevent moisture and dust from entering the box body 1 and interfering with the operation of the electronic element.
A method for installing a multifunctional transformer box comprises the following specific steps:
s1, when the temperature in the box body 1 is lower than a threshold value during working, all fans are driven by natural wind to rotate to carry out heat dissipation on the interior of the box body 1;
s2, after the temperature in the box body 1 reaches a threshold value, the temperature sensing mechanism starts a driving motor, so that the driving motor drives a fan in the box body 1 to rotate, and the interior of the box body 1 is rapidly cooled;
s3, when each fan rotates to dissipate heat, the bottom of the box body 1 is dried at the position where water is easy to accumulate, and the box body 1 is prevented from being corroded.
Claims (8)
1. The utility model provides a multi-functional transformer case, includes box (1), its characterized in that: the lower end of the box body (1) is fixedly connected with a supporting column (11), and the lower end of the supporting column (11) is fixedly connected with a cement platform (12); the upper end and the bottom end of the inner wall of the box body (1) and the upper end of the cement platform (12) are rotatably connected with fans, and the three fans are mutually connected in a transmission manner; the fan in the box body (1) is externally connected with a driving motor, a temperature sensing mechanism is arranged in the box body (1), and the temperature sensing mechanism is used for starting the driving motor to drive the fan in the box body (1) to rotate for heat dissipation after the temperature in the box body (1) reaches a threshold value;
the fan comprises a plurality of fan blades (29) which are arranged at equal angles, and the fan blades (29) and a vertical plane form a fixed oblique angle, so that when the driving motor drives the fan to rotate, the wind direction faces downwards; the lower end of a fan at the upper end of the box body (1) is fixedly connected with a connecting shaft (3), the lower end of the connecting shaft (3) is fixedly connected with the fan at the upper end of a cement platform (12), the fan at the upper end of the box body (1) can drive other two fans to rotate through the connecting shaft (3), the connecting shaft (3) penetrates through the fan in the box body (1), and the connecting shaft (3) drives the fan in the box body (1) to rotate along the driving direction of a driving motor through a ratchet wheel; when the fan at the upper end of the box body (1) is in the same direction as the driving direction of the driving motor, the connecting shaft (3) drives the fan in the box body (1) to rotate through the ratchet wheel and drives the air in the box body (1) to blow downwards, so that the air is discharged from the vent (13) at the lower end of the box body (1), and when the driving direction of the fan at the upper end of the box body (1) is opposite to the driving direction of the driving motor, the ratchet wheel cannot drive the fan in the box body (1) to rotate at the moment, and the fan in the box body (1) is prevented from being pumped from the bottom of the box body (1) and blown into the box body (1); and when the temperature of the box body (1) reaches a threshold value, the driving mechanism drives the fan in the box body (1) to rotate, and the fan in the box body (1) is in ratchet wheel linkage with the connecting shaft (3), so that the fan in the box body (1) cannot drive the connecting shaft (3) to rotate, the driving mechanism does not need to load the rotation of the fan at the upper end of the box body (1) and the fan at the upper end of the cement platform (12), and unnecessary work of the driving mechanism is reduced.
2. The multifunctional power transformation box of claim 1, characterized in that: the fan comprises a main shaft (21), a fixed sleeve (22) is fixedly connected with the side wall of the main shaft (21) at an equal angle, a gear (23) is rotatably connected with the end part of the fixed sleeve (22), a bidirectional torsion spring (24) is fixedly connected with the inner wall of the gear (23), a rotating shaft (25) is fixedly connected in the bidirectional torsion spring (24), and the rotating shaft (25) extends into the fixed sleeve (22) and is rotatably connected with the side wall of the main shaft (21); the upper end and the front end of the inner wall of the fixed sleeve (22) are fixedly connected with a buckle (26), both sides of the buckle (26) are vertically and slidably connected with a wedge block (261), the wedge surface of the wedge block (261) faces both sides of the buckle (26), the upper end of the rotating shaft (25) is vertically and slidably connected with a pin disc (27), both the left side and the right side of the pin disc (27) are fixedly connected with positioning pins (271), the lower end of the pin disc (27) is fixedly connected with a spring column (272), the spring column (272) is fixedly connected with the rotating shaft (25), the positioning pin (271) at the left side is positioned at the wedge block (261) at the upper end, and the front end and the rear end of the inner wall of the gear (23) are fixedly connected with a trigger block (231) corresponding to the positioning pin (271) at the right side; the lower end of the main shaft (21) is connected with a mounting disc (28) in a sliding mode, the upper end of the mounting disc (28) corresponding to the gear (23) is vertically and fixedly connected with a rack (281), the rack (281) is meshed with the gear (23), and the temperature sensing mechanism can control the main shaft (21) to slide upwards relative to the mounting disc (28) after a threshold value is reached; and one end of the rotating shaft (25) far away from the main shaft (21) is fixedly connected with a fan blade (29).
3. The multifunctional power transformation box of claim 2, characterized in that: the box (1) bottom outer wall lateral sliding connection has smooth frame (41), equidistance fixedly connected with dead lever (42) in smooth frame (41), the equal first rubber pad of fixedly connected with (43) of dead lever (42) lateral wall, first rubber pad (43) are just to vent (13), box (1) below fixedly connected with solid fixed ring (44) on connecting axle (3), gu fixed ring (44) rotate and are connected with connecting rod (45), connecting rod (45) other end rotates with smooth frame (41) and is connected.
4. The multifunctional power transformation box of claim 2, characterized in that: the air inlet structure is characterized in that second rubber strips (5) are arranged at the positions of the ventilation openings (13) at the lower ends of the two sides of the inner wall of the box body (1), the upper ends of the second rubber strips (5) are fixedly connected with the inner wall of the box body (1), and one-way air valves which can only allow air to enter from the outside to the inside of the box body (1) are formed at the positions of the ventilation openings (13) at the lower ends of the two sides of the box body (1).
5. The multifunctional power transformation box of claim 4, wherein: temperature sensing mechanism includes head rod (61), head rod (61) and box (1) upper end inner wall fixed connection, the flexible pneumatic cylinder (62) of head rod (61) lower extreme fixedly connected with, flexible pneumatic cylinder (62) upper end fixedly connected with second connecting rod (63), second connecting rod (63) fixedly connected with carousel (64), carousel (64) rotate with connecting axle (3) and are connected, be provided with position sensor in flexible pneumatic cylinder (62), position sensor can control actuating mechanism after flexible pneumatic cylinder (62) extend the threshold value and start.
6. The multifunctional power transformation box of claim 5, characterized in that: the upper end of the box body (1) is fixedly connected with a drainage cover (7), and a fan at the upper end of the box body (1) is placed in a central hole of the drainage cover (7).
7. The multifunctional power transformation box of claim 5, characterized in that: and a dustproof net and a waterproof surface are respectively arranged in the ventilation opening (13).
8. A multifunctional transformer box installation method is suitable for the multifunctional transformer box as claimed in claim 7, and is characterized in that; the specific method comprises the following steps:
s1, when the temperature in the box body (1) is lower than a threshold value during working, all the fans are driven by natural wind to rotate so as to carry out heat dissipation on the interior of the box body (1);
s2, after the temperature in the box body (1) reaches a threshold value, the temperature sensing mechanism starts the driving motor, so that the driving motor drives the fan in the box body (1) to rotate, and the interior of the box body (1) is rapidly cooled;
s3, when each fan rotates to dissipate heat, the bottom of the box body (1) is dried at the position where water is easy to accumulate, and the box body (1) is prevented from being corroded.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111305874.4A CN114050484B (en) | 2021-11-05 | 2021-11-05 | Multifunctional transformer box and installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111305874.4A CN114050484B (en) | 2021-11-05 | 2021-11-05 | Multifunctional transformer box and installation method |
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| CN114050484B true CN114050484B (en) | 2022-12-30 |
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| CN212323512U (en) * | 2020-07-22 | 2021-01-08 | 鑫都利达电力工程有限公司 | Outdoor durable comprehensive distribution box |
| CN213088105U (en) * | 2020-09-27 | 2021-04-30 | 北京北动鼎晟科技有限公司 | Fan transmission device |
| CN213402160U (en) * | 2020-10-16 | 2021-06-08 | 江西恒盈能源发展有限公司 | Power switch cabinet with intelligent protection device |
| CN112357712A (en) * | 2020-11-23 | 2021-02-12 | 田盼 | Elevator monitoring real-time alarm device |
| CN214543133U (en) * | 2021-05-13 | 2021-10-29 | 张庆德 | Safe block terminal that subway power supply used |
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