CN116580932B - Self-checking early warning type transformer - Google Patents
Self-checking early warning type transformer Download PDFInfo
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- CN116580932B CN116580932B CN202310679484.6A CN202310679484A CN116580932B CN 116580932 B CN116580932 B CN 116580932B CN 202310679484 A CN202310679484 A CN 202310679484A CN 116580932 B CN116580932 B CN 116580932B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 229920000742 Cotton Polymers 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 238000005086 pumping Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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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
- B01D53/261—Drying gases or vapours by adsorption
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a self-checking early warning type transformer in the technical field of electric power, which comprises a transformer box body, wherein an air outlet box is arranged at the top of the transformer box body, an air inlet box is arranged at the bottom of the transformer box body, two groups of air inlets are arranged on the side wall of the air inlet box, adsorption cotton is arranged in the inner cavity of the air inlet box, a driving motor is fixedly arranged on the outer wall of the transformer box body, a transmission shaft mounting rack is fixedly arranged in the inner cavity of the transmission shaft mounting rack, a transmission shaft is rotatably matched with the inner cavity of the transmission shaft, a transmission shaft gear is uniformly arranged on the outer wall of the bottom end of the transmission shaft, the other end of the transmission shaft is connected with the transmission shaft through a switching structure, and a cooling fan is fixedly arranged at the top of the transmission shaft.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a self-checking early-warning type transformer.
Background
With the rapid development of economic construction in China, the urban and rural power load is continuously increased, and the transformer which is oilless, fireproof, long in service life, energy-saving, low in noise, simple to maintain, safe and reliable is widely applied. According to the related data, the transformer has been rapidly developed in recent 20 years, and particularly in the distribution transformer, the proportion of the transformer is larger and larger, although the start of China is late, about 30% -40% of the transformer in large and medium cities in recent years, and the safe operation and the service life of the transformer are greatly dependent on the safety and reliability of the insulation of the transformer winding. The iron core and the winding in the transformer are main heating bodies, the heat generated by the iron core and the winding can raise the temperature of surrounding medium besides raising the temperature of the iron core and the winding, and the insulating material is damaged when the temperature of the winding exceeds the heat-resistant limit of the insulating material;
The existing transformer cooling system is an air-cooled heat dissipation mode, in cold and hot exchange of air, the influence of humidity in the air on internal components of the transformer cannot be considered, and part of the transformer is internally provided with a water-absorbing filter screen, but the filter screen is used for a long time to cause the problem that air intake is not smooth.
Based on the above, the invention designs a self-checking early warning type transformer to solve the above problems.
Disclosure of Invention
The invention aims to provide a self-checking early-warning type transformer, which aims to solve the problems that in the background technology, when the air humidity is small, a conventional air-cooled heat dissipation mode is adopted to ensure a high-efficiency heat dissipation mode, and when the air humidity is large, air intake can be subjected to water absorption and filtration and then heat dissipation, so that the humidity of heat exchange air entering the transformer is not too large.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a self-checking early warning type transformer, includes the transformer box, the top of transformer box is provided with out bellows, the bottom of transformer box is provided with into bellows, the outer wall fixed mounting of transformer box has driving motor, driving motor's output fixed mounting has the drive shaft, the inner chamber fixed mounting of transformer box has the transmission shaft mounting bracket, the inner chamber normal running fit of transmission shaft mounting bracket has the transmission shaft, the bottom outer wall of transmission shaft evenly is provided with the transmission shaft gear, the other end of drive shaft is connected with the transmission shaft through the switch structure, the top fixed mounting of transmission shaft has radiator fan;
The switching structure comprises a sleeve arranged on the outer wall of a driving shaft, a spring is fixedly arranged between the other end of the sleeve and the outer wall of the driving motor, the sleeve is in sliding fit with the driving shaft through a sliding key, sleeve gears meshed with a transmission shaft are uniformly arranged on the outer wall of the tail end of the sleeve, a shifting fork mounting ring is fixedly arranged on the outer wall of the sleeve, a central shaft mounting rack and a coil mounting rack are fixedly arranged in the inner cavity of a transformer box body, an adjusting lever is in rotating fit with the outer wall of the central shaft mounting rack, a shifting fork is fixedly arranged at the top of the adjusting lever, the shifting fork is mutually matched with the shifting fork mounting ring, and an electromagnetic coil mounting cylinder is fixedly arranged on the outer wall of the coil mounting rack;
The transformer box body inner chamber is installed initiative ventilation mechanism, initiative ventilation mechanism includes pump inflator, two sets of intake pipes, two sets of outlet ducts, the check valve is all installed to intake pipe and outlet duct and pump inflator junction, the inner chamber slidable mounting of pump inflator has the pump gas piston, the bottom fixed mounting of pump gas piston has the lift axle, the bottom fixed mounting of lift axle has the fly leaf, the both sides inner wall of the inner chamber of fly leaf evenly is provided with the rack, telescopic one end outer wall evenly is provided with half gear, half gear and rack engagement.
Preferably, the electromagnetic coil is installed to the electromagnetic coil mounting cylinder inner wall, and outer wall connection has the connecting wire, electromagnetic coil mounting cylinder inner chamber movable mounting has movable iron core, movable iron core's one end fixed mounting has the regulation flange, the one end and the adjusting lever of regulation flange mutually support.
Preferably, the side wall of the air inlet box is provided with two groups of air inlets, the inner cavity of the air inlet box is provided with adsorption cotton, and the side wall of the air outlet box is uniformly provided with a plurality of groups of air outlets.
Preferably, the bottom end of the adjusting convex plate is fixedly provided with a connecting rod, and the other end of the connecting rod is fixedly connected with the adsorption cotton.
Preferably, the outlet duct level is placed, the intake pipe is vertical to be placed, the air inlet case inner chamber is provided with air inlet arc pipeline, air inlet arc pipeline's one end is laminated with the cotton that adsorbs, and the other end passes through the junction housing and is connected with the intake pipe.
Preferably, a plurality of groups of cooling fins are uniformly arranged on two sides of the transformer box body respectively, and a placing cross beam is arranged on the bottom bolt of the transformer box body.
Preferably, the driving motor drives the driving shaft to rotate, the driving shaft drives the half gear to rotate, the half gear is matched with the movable plate to drive the movable plate and the lifting shaft to reciprocate up and down, the pumping piston is driven to reciprocate up and down in the pumping cylinder, and cooling air is sucked into the air inlet through the matching of the air inlet pipe and the air outlet pipe and filtered through the adsorption cotton.
Preferably, the self-checking early warning system comprises a sensing module, a PLC controller and an execution module, wherein the execution module comprises a driving motor controller and an electromagnetic coil controller, the sensing module comprises a humidity sensor arranged outside a transformer box body and a temperature sensor arranged inside the transformer box body, the PLC controller receives electric signals transmitted by the humidity sensor and the temperature sensor, and the PLC controller transmits control signals to the driving motor controller and the electromagnetic coil controller.
Preferably, the temperature sensor acquires the temperature of the inner cavity of the current transformer, the PLC acquires an electric signal transmitted by the humidity sensor, judges whether the current humidity exceeds a threshold value, if the current humidity does not exceed the humidity threshold value, the movable iron core is positioned at one end far away from the electromagnetic coil mounting cylinder, under the action of the spring, the sleeve is pushed to enable the transmission shaft gear to be meshed with the sleeve gear, the transmission shaft is kept in a state of being driven by the transmission shaft and the driving shaft, at the moment, whether the current temperature exceeds the threshold value is judged, and if the current temperature exceeds the temperature threshold value, the PLC sends a starting signal to the driving motor.
Compared with the prior art, the invention has the beneficial effects that: the invention sets humidity threshold and temperature threshold by the preset user, acquires the humidity in the current air through the humidity sensor, acquires the temperature of the inner cavity of the current transformer, acquires the electric signal transmitted by the humidity sensor through the PLC, judges whether the current humidity exceeds the threshold, if the current humidity does not exceed the humidity threshold, the movable iron core is positioned at one end far away from the electromagnetic coil mounting cylinder, keeps the transmission state of the transmission shaft and the driving shaft, judges whether the current temperature exceeds the threshold, if the current temperature exceeds the temperature threshold, the PLC sends a starting signal to the driving motor, the driving shaft is driven to rotate through the driving motor, the cooling fan is driven to rotate, the cooling air enters from the air inlet and is discharged from the air outlet box without filtering, the cooling effect is obvious, when the humidity exceeds the humidity threshold, the PLC is used for electrifying the electromagnetic coil, the movable iron core is adsorbed by the electromagnetic coil mounting cylinder, so that the air enters the box body after being filtered by the adsorption cotton, at the moment, whether the current temperature exceeds a threshold value is judged, if the current temperature exceeds the temperature threshold value, the PLC controller sends a starting signal to the driving motor, the driving motor drives the driving shaft to rotate, the driving shaft drives the half gear to rotate, the pumping piston to reciprocate up and down in the pumping cylinder, the cooling air is sucked from the air inlet through the cooperation of the air inlet and the air outlet pipe and is filtered by the adsorption cotton and discharged from the air outlet pipe, a certain cooling effect is ensured, and the cooling air sucked into the transformer box body is ensured to have smaller humidity. The heat exchange air humidity inside the transformer is guaranteed not to be too large, the use frequency of the adsorption cotton is not too frequent, the problem that air resistance or blockage is caused by long-time use of the adsorption cotton is prevented, and the device is compact in structure, simple to control and good in use prospect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a main view structure of the present invention;
FIG. 2 is a schematic view of the bottom view structure of the present invention;
FIG. 3 is a schematic view of a first cross-sectional structure of the present invention;
FIG. 4 is a schematic diagram of a second cross-sectional structure of the present invention;
FIG. 5 is a schematic view of a sleeve structure according to the present invention;
FIG. 6 is a schematic diagram of a planing surface of the pump cylinder of the present invention;
FIG. 7 is a schematic diagram of the logic structure of the present invention;
FIG. 8 is a control flow chart of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
The transformer comprises a transformer box body, 2-radiating fins, 3-out bellows, 4-placed cross beams, 5-in bellows, 6-in vents, 8-transmission shafts, 9-transmission shaft mounting frames, 10-radiating fans, 11-pump air cylinders, 12-in vents, 13-connection covers, 14-in arc-shaped pipelines, 15-adsorption cotton, 16-connection rods, 17-adjusting convex plates, 18-coil mounting frames, 19-electromagnetic coil mounting cylinders, 20-movable iron cores, 21-center shaft mounting frames, 22-driving motors, 23-adjusting levers, 24-sleeve gears, 25-transmission shaft gears, 26-sliding keys, 27-driving shafts, 28-sleeve, 29-shifting fork mounting rings, 30-shifting forks, 31-half gears, 32-movable plates, 33-lifting shafts and 34-pumping pistons.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a self-checking early warning type transformer, including transformer box 1, transformer box 1's top is provided with out bellows 3, transformer box 1's bottom is provided with air inlet bellows 5, air inlet bellows 5's lateral wall is provided with two sets of air intakes 6, adsorption cotton 15 is installed to air inlet bellows 5 inner chamber, air outlet bellows 3's lateral wall evenly is provided with a plurality of groups air outlet, transformer box 1's outer wall fixed mounting has driving motor 22, driving motor 22's output fixed mounting has drive shaft 27, transformer box 1 inner chamber fixed mounting has transmission shaft mounting bracket 9, transmission shaft mounting bracket 9's inner chamber normal running fit has transmission shaft 8, transmission shaft 8's bottom outer wall evenly is provided with transmission shaft gear 25, driving shaft 27's the other end is connected with transmission shaft 8 through the switch structure, transmission shaft 8's top fixed mounting has radiator fan 10.
The switching structure comprises a sleeve 28 arranged on the outer wall of a driving shaft 27, a spring is fixedly arranged between the other end of the sleeve 28 and the outer wall of a driving motor 22, the sleeve 28 is in sliding fit with the driving shaft 27 through a sliding key 26, a sleeve gear 24 meshed with a transmission shaft 8 is uniformly arranged on the outer wall of the tail end of the sleeve 28, a shifting fork mounting ring 29 is fixedly arranged on the outer wall of the sleeve 28, a central shaft mounting rack 21 and a coil mounting rack 18 are fixedly arranged in an inner cavity of a transformer box body 1, an adjusting lever 23 is rotatably matched on the outer wall of the central shaft mounting rack 21, a shifting fork 30 is fixedly arranged at the top of the adjusting lever 23, the shifting fork 30 is mutually matched with the shifting fork mounting ring 29, an electromagnetic coil mounting cylinder 19 is fixedly arranged on the outer wall of the coil mounting rack 18, an electromagnetic coil is arranged on the inner wall of the electromagnetic coil mounting cylinder 19, a connecting wire is connected with the outer wall, a movable iron core 20 is movably arranged in the inner cavity of the electromagnetic coil mounting cylinder 19, an adjusting convex plate 17 is fixedly arranged at one end of the movable iron core 20, and one end of the adjusting convex plate 17 is mutually matched with the adjusting lever 23;
The transformer box body 1 is internally provided with an active ventilation mechanism, the active ventilation mechanism comprises a pump cylinder 11, two groups of air inlet pipes 12 and two groups of air outlet pipes, check valves are arranged at the joints of the air inlet pipes 12 and the air outlet pipes with the pump cylinder 11, the air outlet pipes are horizontally arranged, the air inlet pipes 12 are vertically arranged, the inner cavity of the air inlet box 5 is provided with an air inlet arc-shaped pipeline 14, one end of the air inlet arc-shaped pipeline 14 is attached to the absorbent cotton 15, the other end of the air inlet arc-shaped pipeline is connected with the air inlet pipes 12 through a connecting cover 13, the inner cavity of the pump cylinder 11 is slidably provided with a pump piston 34, the bottom of the pump piston 34 is fixedly provided with a lifting shaft 33, the bottom of the lifting shaft 33 is fixedly provided with a movable plate 32, racks are uniformly arranged on the inner walls of two sides of the inner cavity of the movable plate 32, a half gear 31 is uniformly arranged on the outer wall of one end of the sleeve 28, the half gear 31 is meshed with the racks, the bottom of the adjusting convex plate 17 is fixedly provided with a connecting rod 16, and the other end of the connecting rod 16 is fixedly connected with the absorbent cotton 15;
Still include self-checking early warning system, self-checking early warning system includes sensing module, the PLC controller, executing module includes driving motor controller and solenoid controller, sensing module is including installing at the outside humidity transducer of transformer box 1 and installing at the inside temperature sensor of transformer box 1, the electric signal of humidity transducer and temperature sensor transmission is received to the PLC controller, the PLC controller is for driving motor controller and solenoid controller transmission control signal, the PLC controller adopts FX2N-64MR module, humidity transducer adopts the humidity transducer of model for SHT21, temperature sensor adopts the temperature sensor of model for TMP36, the both sides of transformer box 1 evenly are provided with a plurality of groups fin 2 respectively, place crossbeam 4 is installed to the bottom bolt of transformer box 1.
One specific application of this embodiment is: the invention sets humidity threshold and temperature threshold by the preset user, acquires the humidity in the current air through the humidity sensor, acquires the temperature of the inner cavity of the current transformer, acquires the electric signal transmitted by the humidity sensor through the PLC controller, judges whether the current humidity exceeds the threshold, if the current humidity does not exceed the humidity threshold, the movable iron core 20 is positioned at one end far away from the electromagnetic coil mounting cylinder 19, pushes the sleeve 28 under the action of the spring to enable the transmission shaft gear 25 to be meshed with the sleeve gear 24, keeps the transmission state of the transmission shaft 8 and the driving shaft 27, judges whether the current temperature exceeds the threshold at the moment, and if the current temperature exceeds the temperature threshold, the PLC controller sends a starting signal to the driving motor 22, drives the driving shaft 27 to rotate through the driving motor 22, drives the sleeve 28 to rotate through the driving shaft 27 and the transmission of the sleeve 28 and the transmission shaft 8, the cooling fan 10 is driven to rotate, at the moment, the adsorption cotton 15 is not close to the air inlet 6, cooling air enters from the air inlet 6 and is discharged from the air outlet box 3 without being filtered, the cooling effect is obvious, when the humidity exceeds a humidity threshold value, the electromagnetic coil is electrified through the PLC, the movable iron core 20 is adsorbed through the electromagnetic coil mounting cylinder 19, the movable iron core 20 drives the adjusting convex plate 17 to move towards the adjusting convex plate 19, the adjusting convex plate 17 pulls the connecting rod 16 and pushes one end of the adjusting lever 23 to move, the adsorption cotton 15 is driven to be close to the air inlet 6 through the movement of the connecting rod 16, the entering air is filtered through the adsorption cotton 15 and enters the box body, one end of the adjusting lever 23 moves, the shifting fork 30 is driven to push the sleeve 28 to squeeze the spring, the sleeve gear 24 is separated from the transmission shaft gear 25, the half gear 31 is matched with the movable plate 32 through the movement of the sleeve 28, at this time, judge whether the present temperature exceeds the threshold value, if yes, the PLC controller sends the start signal to the driving motor 22, drive the driving shaft 27 to rotate through the driving motor 22, drive the half gear 31 to rotate through the driving shaft 27, drive the movable plate 32 and the lifting shaft 33 to reciprocate up and down through the cooperation of the half gear 31 and the movable plate 32, drive the pumping piston 34 to reciprocate up and down in the pumping cylinder 11, through the cooperation of the air inlet 12 and the air outlet pipe, make the cooling air sucked from the air inlet 6, filter through the adsorption cotton 15, discharge from the air outlet pipe, both guarantee certain cooling effect, also can guarantee that the cooling air humidity sucked into the transformer box 1 is less, through conventional air-cooled heat dissipation, guarantee the efficient heat dissipation mode, when the air humidity is great, can absorb water and filter the back to dispel the heat, guarantee that the heat exchange air humidity that gets into the transformer is inside can not too big, and the frequency of use of the adsorption cotton 15 is not too frequent, prevent the adsorption cotton 15 from causing the problem of air resistance or blocking for a long time use, the device structure is simple to control, and compact in use prospect has good prospects.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The utility model provides a self-checking early warning formula transformer, includes the transformer box, its characterized in that: the transformer comprises a transformer box body, and is characterized in that an air outlet box is arranged at the top of the transformer box body, an air inlet box is arranged at the bottom of the transformer box body, a driving motor is fixedly arranged on the outer wall of the transformer box body, a driving shaft is fixedly arranged at the output end of the driving motor, a transmission shaft mounting frame is fixedly arranged in the inner cavity of the transformer box body, a transmission shaft is rotatably matched with the inner cavity of the transmission shaft mounting frame, transmission shaft gears are uniformly arranged on the outer wall of the bottom end of the transmission shaft, the other end of the driving shaft is connected with the transmission shaft through a switching structure, and a cooling fan is fixedly arranged at the top of the transmission shaft;
The automatic detection early warning system comprises a sensing module, a PLC controller and an execution module, wherein the execution module comprises a driving motor controller and an electromagnetic coil controller, the sensing module comprises a humidity sensor arranged outside a transformer box body and a temperature sensor arranged inside the transformer box body, the PLC controller receives electric signals transmitted by the humidity sensor and the temperature sensor, and the PLC controller transmits signals to the driving motor controller and the electromagnetic coil controller
The switching structure comprises a sleeve arranged on the outer wall of a driving shaft, a spring is fixedly arranged between the other end of the sleeve and the outer wall of the driving motor, the sleeve is in sliding fit with the driving shaft through a sliding key, sleeve gears meshed with a transmission shaft are uniformly arranged on the outer wall of the tail end of the sleeve, a shifting fork mounting ring is fixedly arranged on the outer wall of the sleeve, a central shaft mounting rack and a coil mounting rack are fixedly arranged in the inner cavity of a transformer box body, an adjusting lever is in rotating fit with the outer wall of the central shaft mounting rack, a shifting fork is fixedly arranged at the top of the adjusting lever, the shifting fork is mutually matched with the shifting fork mounting ring, and an electromagnetic coil mounting cylinder is fixedly arranged on the outer wall of the coil mounting rack;
The transformer box body is characterized in that an active ventilation mechanism is arranged in the inner cavity of the transformer box body and comprises a pump cylinder, two groups of air inlet pipes and two groups of air outlet pipes, one-way valves are arranged at the joints of the air inlet pipes and the air outlet pipes and the pump cylinder, a pump piston is slidably arranged in the inner cavity of the pump cylinder, a lifting shaft is fixedly arranged at the bottom of the pump piston, movable plates are fixedly arranged at the bottom of the lifting shaft, racks are uniformly arranged on the inner walls of two sides of the inner cavity of the movable plates, a half gear is uniformly arranged on the outer wall of one end of each sleeve, and the half gear is meshed with the racks;
the electromagnetic coil is installed on the inner wall of the electromagnetic coil installation cylinder, the outer wall of the electromagnetic coil installation cylinder is connected with a connecting wire, a movable iron core is movably installed in the inner cavity of the electromagnetic coil installation cylinder, an adjusting convex plate is fixedly installed at one end of the movable iron core, and one end of the adjusting convex plate is matched with the adjusting lever;
The bottom end of the adjusting convex plate is fixedly provided with a connecting rod, and the other end of the connecting rod is fixedly connected with the adsorption cotton;
the air outlet pipe is horizontally arranged, the air inlet pipe is vertically arranged, an air inlet arc-shaped pipeline is arranged in the inner cavity of the air inlet box, one end of the air inlet arc-shaped pipeline is attached to the absorbent cotton, and the other end of the air inlet arc-shaped pipeline is connected with the air inlet pipe through a connecting cover;
The driving motor drives the driving shaft to rotate, the driving shaft drives the half gear to rotate, the movable plate and the lifting shaft are driven to reciprocate up and down by the cooperation of the half gear and the movable plate, the pumping piston is driven to reciprocate up and down in the pumping cylinder, and cooling air is sucked into the air inlet by the cooperation of the air inlet pipe and the air outlet pipe and filtered by the absorbent cotton;
The temperature sensor acquires the temperature of the inner cavity of the transformer, the PLC acquires an electric signal transmitted by the humidity sensor, whether the current humidity exceeds a threshold value is judged, if the current humidity does not exceed the humidity threshold value, the movable iron core is positioned at one end far away from the electromagnetic coil mounting cylinder, the sleeve is pushed under the action of the spring, the transmission shaft gear is meshed with the sleeve gear, the transmission shaft is kept in a state of being in transmission with the driving shaft, at the moment, whether the current temperature exceeds the threshold value is judged, and if the current temperature exceeds the temperature threshold value, the PLC sends a starting signal to the driving motor.
2. The self-checking early warning type transformer according to claim 1, characterized in that: the side wall of the air inlet box is provided with two groups of air inlets, the inner cavity of the air inlet box is provided with adsorption cotton, and the side wall of the air outlet box is uniformly provided with a plurality of groups of air outlets.
3. The self-checking early warning type transformer according to claim 1, characterized in that: the transformer box is characterized in that a plurality of groups of radiating fins are uniformly arranged on two sides of the transformer box respectively, and a placing cross beam is arranged on the bottom bolt of the transformer box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310679484.6A CN116580932B (en) | 2023-06-09 | 2023-06-09 | Self-checking early warning type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310679484.6A CN116580932B (en) | 2023-06-09 | 2023-06-09 | Self-checking early warning type transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116580932A CN116580932A (en) | 2023-08-11 |
| CN116580932B true CN116580932B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310679484.6A Active CN116580932B (en) | 2023-06-09 | 2023-06-09 | Self-checking early warning type transformer |
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| CN116092777A (en) * | 2022-11-28 | 2023-05-09 | 江西省华林电力电器有限公司 | Energy-saving environment-friendly amorphous alloy dry-type transformer |
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2023
- 2023-06-09 CN CN202310679484.6A patent/CN116580932B/en active Active
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| KR20200018068A (en) * | 2018-08-10 | 2020-02-19 | 김종길 | Distributing board case of sewage water treatment plant |
| CN215954962U (en) * | 2021-08-06 | 2022-03-04 | 句容市江电电器机械有限公司 | Noise reduction shell of dry type transformer |
| CN216487560U (en) * | 2021-12-10 | 2022-05-10 | 温州金邦激光科技有限公司 | Heat dissipation shell for transformer |
| CN217134124U (en) * | 2022-02-28 | 2022-08-05 | 福建安顺变压器有限公司 | Dry-type transformer with multiple cooling circulation structure |
| CN217655735U (en) * | 2022-05-23 | 2022-10-25 | 合肥鑫林电力设备有限公司 | Dustproof and waterproof box-type transformer structure |
| CN116092777A (en) * | 2022-11-28 | 2023-05-09 | 江西省华林电力电器有限公司 | Energy-saving environment-friendly amorphous alloy dry-type transformer |
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