CN112845400B - Self-washing cooling device of transformer cooler - Google Patents
Self-washing cooling device of transformer cooler Download PDFInfo
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- CN112845400B CN112845400B CN202011590226.3A CN202011590226A CN112845400B CN 112845400 B CN112845400 B CN 112845400B CN 202011590226 A CN202011590226 A CN 202011590226A CN 112845400 B CN112845400 B CN 112845400B
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- oil pipe
- dust collecting
- flushing
- oil
- washing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
One or more embodiments of the present disclosure provide a transformer cooler self-flushing cooling device, which includes a dust collecting plate, a top end of the dust collecting plate is movably connected to a top end of an oil pipe through a rotating shaft, a torsion spring is connected between the rotating shaft and a side wall of the oil pipe to push the dust collecting plate to expand like an umbrella, a bottom end of a thermal expansion member is fixed to an inner side wall of the oil pipe, a rack is fixed to one side of the top end of the thermal expansion member, a flexible antenna is fixed to a side end of the rotating shaft, one end of the flexible antenna penetrates into the oil pipe and is inserted into a tooth space abutting against the rack, so that the flexible antenna is separated from the tooth space along with dust accumulated on the dust collecting plate, so that the dust collecting plate is retracted and triggers a proximity switch, a driving mechanism is triggered to drive a flushing mechanism to flush the outer side walls of the oil pipe and the oil tank up and down in a reciprocating manner, and the thermal expansion member is heated to expand and extend to drive the rack to move up and retract the proximity switch, so as to complete automatic flushing, to enable automated quantitative evaluation and trigger efficient flushing.
Description
Technical Field
One or more embodiments of this description relate to transformer cooler maintenance of equipment technical field, especially relate to a transformer cooler is from washing heat sink.
Background
Cooler in the transformer is after using a period of time, and the surface deposition has not only influenced cooling efficiency greatly to still make the radiator very easily take place to damage, at present, generally adopt two kinds of modes to washing of transformer cooler at home and abroad: air flushing and water flushing, wherein in the routine maintenance work of a general transformer, the transformer cooler is flushed once every half year or when necessary, when the temperature of a cooling medium which circularly flows in the cooler is higher, the short-time auxiliary cooling protection effect can be generally achieved through flushing maintenance, and the flushing effect of the general water flushing mode is more excellent, but the charged water flushing has the risk that a water column impacts a high-voltage charged circuit, which greatly threatens equipment and personal safety, and the flushing work is more tedious, time-consuming and labor-consuming, and automatic flushing equipment is selected, because the automatic flushing equipment in the prior art is usually simple in structure and single in function, the thorough and efficient cleaning is difficult to achieve on the basis of effective protection, and the dirt accumulation degree on the transformer cooler and the temperature of the cooler are difficult to accurately and quantitatively evaluate, the flushing is controlled by real-time automatic triggering, and the flushing is automatically reset to realize automatic circular maintenance, so that the requirement on higher practicability is not met.
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide a transformer cooler self-flushing cooling device, so as to achieve the functions of automatically evaluating the degree of dirt accumulation on a cooler and the temperature of the cooler in real time, quantitatively evaluating the degree of dirt accumulation on the cooler in real time, automatically triggering efficient flushing, and automatically resetting for automatic maintenance circulation after flushing.
Based on above-mentioned purpose, one or more embodiments of this specification provide a transformer cooler is from washing heat sink, locate transformer cooler's oil tank and return oil pipe way on, return oil pipe way including the oil pipe that a plurality of vertical intervals set up, include:
the top ends of the dust collecting pieces are movably connected to the top end of the oil pipe through a rotating shaft, and a torsion spring is connected between the rotating shaft and the side wall of the oil pipe to push each dust collecting piece to unfold in an umbrella shape;
the bottom end of the thermal expansion piece is fixed on the inner side wall of the oil pipe, and one side of the top end of the thermal expansion piece is fixed with a rack;
the flexible antenna is fixed at the side end of the rotating shaft, one end of the flexible antenna penetrates into the oil pipe and is inserted into the tooth groove abutting against the rack;
the proximity switch is arranged on the outer side wall of the oil pipe and is relatively positioned on the inner side of each dust collecting sheet;
the flushing mechanism is arranged at the bottom end of the oil return pipeline;
the driving mechanism is arranged on one side outside the cooler, the driving mechanism is electrically connected with the proximity switch, the driving mechanism is mechanically connected with the flushing mechanism, dust is continuously accumulated on the dust collecting sheet, the flexible antenna can be driven to rotate along the tooth socket to be separated, the dust collecting sheet is folded and triggered to the proximity switch, the driving mechanism is triggered to drive the flushing mechanism to vertically and repeatedly flush the outer side walls of the oil pipes and the oil tank, and meanwhile, the flexible antenna is heated, expanded and extended through the thermal expansion piece, the rack can be driven to move upwards, the flexible antenna is driven to rotate, and the dust collecting sheet can be folded and triggered to the proximity switch.
Preferably, the top end of the oil pipe is concavely provided with a groove, the dust collecting sheet is movably arranged at the groove, and the dust collecting sheet is designed to be in the same bending shape with the side wall of the oil pipe so as to be capable of being folded on the side wall of the oil pipe in a fitting manner and be parallel and level with the outer end of the groove when being folded.
Preferably, the outer side of the dust collecting sheet is provided with a plurality of dust collecting fins.
Preferably, the dust collecting sheet and the dust collecting fin are designed to be porous.
Preferably, the flushing mechanism comprises a bracket, the bracket is arranged between the oil pipe and the outer side wall of the oil tank, a plurality of oil pipe flushing cavities are arranged at intervals on one side of the bracket close to the oil pipe, an oil tank cleaning cavity is arranged on one side of the bracket close to the outer side wall of the oil tank and is sequentially divided into a first spraying cavity and a first scrubbing cavity from top to bottom, the oil tank cleaning cavity is sequentially divided into a second spraying cavity and a second scrubbing cavity from top to bottom, a plurality of first nozzles are arranged on the inner side wall of the first spraying cavity and are used for spraying water to flush the periphery of the side wall of the oil pipe, a hollow cylindrical first scrubbing piece is fixed in the first scrubbing cavity and is used for sliding scrubbing and cleaning the outer side wall of the oil pipe, a plurality of second nozzles are arranged on the inner side wall of the second spraying cavity and are used for spraying water to flush the outer side wall of the oil tank, a second scrubbing piece is fixed in the second scrubbing cavity and is used for sliding and cleaning the outer side wall of the oil tank, a water collecting cavity is communicated between the oil pipe flushing cavity and the oil tank cleaning cavity, the water collecting cavity is hollow and used for collecting sewage, a water discharging pipe is communicated with the bottom end of the water collecting cavity, and a water inlet pipe is communicated with one end of the support and communicated with the first nozzle and the second nozzle.
Preferably, the driving mechanism comprises a reciprocating screw rod and a motor, the reciprocating screw rod penetrates through one end of the support and is in threaded engagement with the support, the motor is arranged on one side outside the cooler, and the output end of the motor is coaxially and fixedly connected with the bottom end of the reciprocating screw rod.
Preferably, the top end faces of the first brushing piece and the second brushing piece are both designed in an inclined mode, and one end of the first brushing piece and the end of the second brushing piece, which are inclined downwards, face the water collecting cavity.
Preferably, the first brushing piece and the second brushing piece are made of rubber materials.
Preferably, the outer one side of cooler is equipped with the header tank, and the intercommunication is equipped with the water pump between header tank and the inlet tube, and the water pump is connected with proximity switch electricity to can trigger towards the inlet tube pump water.
Preferably, the top end of the water collecting tank is designed to be an opening structure, and a filter screen is arranged at the opening at the top end of the water collecting tank to filter dust.
From the above, it can be seen that in the transformer cooler self-flushing cooling device provided in one or more embodiments of the present disclosure, by providing the dust collecting sheet, the dust collecting sheet is provided with a plurality of dust collecting sheets along the circumferential direction of the top end of the oil pipe of the cooler, wherein the transformer cooler assembly includes an oil tank and an oil return pipeline, the oil return pipeline includes a plurality of oil pipes vertically spaced from each other to cool the oil pipe by cooling medium circulating and flowing between the oil pipes and the oil tank, the top end of the dust collecting sheet is movably connected to the top end of the oil pipe through a rotating shaft to be rotatably unfolded or folded, a torsion spring is connected between the rotating shaft and the side wall of the oil pipe to push the dust collecting sheets to be unfolded like an umbrella, the bottom end of the thermal expansion member is fixed on the inner side wall of the oil pipe, a rack is fixed on one side of the top end of the thermal expansion member, a flexible antenna is fixed on the side end of the rotating shaft, and one end of the flexible antenna penetrates into the oil pipe and is inserted into a tooth socket of the rack, the outer side wall of the oil pipe is provided with a proximity switch which is relatively positioned at the inner side of each dust collecting sheet, the bottom end of the oil return pipeline is provided with a flushing mechanism, one side of the outer side of the cooler is provided with a driving mechanism, the driving mechanism is electrically connected with the proximity switch, and the driving mechanism is mechanically connected with the flushing mechanism, so that in an initial state, each dust collecting sheet is abutted to the tooth socket of the rack through a flexible feeler for limiting to support the expansion of each dust collecting sheet, and each dust collecting sheet is expanded in an umbrella shape to further facilitate the efficient accumulation of dust, in the using process of the transformer, the oil tank, the oil return pipeline and each dust collecting sheet synchronously accumulate dust, and when the accumulated dust on the dust collecting sheet reaches a certain amount, the dust collecting sheet can be naturally pressed to separate, so that the flexible feeler rotates along the tooth socket to separate, so that the dust collecting sheet naturally collects and triggers the proximity switch, and because the dust collecting sheets are provided with a plurality of the dust collecting sheets along the circumferential direction of the oil pipe, only when the dust collecting sheets are completely collected to trigger all the proximity switches, the trigger driving mechanism drives the flushing mechanism to vertically and repeatedly flush each oil pipe and the outer side wall of the oil tank so as to avoid the falling of large-particle impurities and the false touch of the large-particle impurities, on the basis of effective protection, the cleaning mechanism is further favorable for thoroughly and efficiently cleaning each oil pipe and the outer side wall of the oil tank, because the dust collecting sheet is positioned on the oil pipe at the top end, when the flushing mechanism finishes cleaning the oil pipe at the top end, the dust on the collected dust collecting sheet can be cleaned together, and when the flushing mechanism downwards and repeatedly flushes, because the dust collecting sheet is cleaned, the dust collecting sheet is re-unfolded under the elastic push of the torsion spring, the trigger proximity switch is stopped, the driving mechanism is broken, so that the flushing mechanism naturally moves back and resets, thereby the unfolded dust collecting sheet and the cooler start the next maintenance cycle process of normally using accumulated dust and automatically triggering flushing together, and simultaneously because the thermal expansion piece is arranged on the inner side of the oil pipe, the temperature of a cooling medium in the oil pipe can be sensed in real time through the thermal expansion piece, when the temperature rises to a certain value, the flexible antenna is driven to rotate so that the dust collecting piece is folded and the proximity switch is triggered, and the automatic flushing is also triggered to finish the automatic flushing, so that the auxiliary cooling protection effect is achieved.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a dust collecting sheet according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a flushing mechanism according to an embodiment of the present invention;
FIG. 4 is a side view of the flushing mechanism of the embodiment of the present invention.
In the figure: 1. an oil tank; 2. an oil return line; 21. an oil pipe; 3. a dust collecting sheet; 31. a rotating shaft; 32. a flexible antenna; 33. a dust collecting fin; 4. a thermal expansion member; 41. a rack; 5. a proximity switch; 6. a flushing mechanism; 61. a support; 62. a first spray chamber; 621. a first nozzle; 63. a first brushing chamber; 631. a first brushing member; 64. a second spray chamber; 641. a second nozzle; 65. a second brushing chamber; 651. a second brush member; 66. a water collection cavity; 67. a drain pipe; 68. a water inlet pipe; 7. a drive mechanism; 71. a reciprocating screw rod; 72. a motor; 8. a water collection tank; 9. a water pump; 10. and (5) filtering by using a filter screen.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
A self-washing cooling device of a transformer cooler is arranged on an oil tank 1 and an oil return pipeline 2 of the transformer cooler, the oil return pipeline 2 comprises a plurality of oil pipes 21 which are vertically arranged at intervals, as shown in figures 1 to 4, the self-washing cooling device comprises dust collecting sheets 3, the dust collecting sheets 3 are arranged at a plurality of positions along the circumferential direction of the top end of the oil pipes 21, the top ends of the dust collecting sheets 3 are movably connected to the top end of the oil pipes 21 through rotating shafts 31, torsion springs are connected between the rotating shafts 31 and the side walls of the oil pipes 21 to push the dust collecting sheets 3 to unfold in an umbrella shape, thermal expansion pieces 4 are arranged, the bottom ends of the thermal expansion pieces 4 are fixed on the inner side walls of the oil pipes 21, racks 41 are fixed on one sides of the top ends of the thermal expansion pieces 4, flexible feelers 32 are fixed on the side ends of the rotating shafts 31, one ends of the flexible feelers 32 penetrate through the oil pipes 21 and are inserted into tooth grooves of the racks 41, proximity switches 5 are arranged on the outer side walls of the oil pipes 21, and the proximity switches 5 are relatively positioned on the inner sides of the dust collecting sheets 3, the bottom end of the oil return pipeline 2 is provided with a flushing mechanism 6, one side of the cooler is provided with a driving mechanism 7, the driving mechanism 7 is electrically connected with the proximity switch 5, the driving mechanism 7 is mechanically connected with the flushing mechanism 6, dust is continuously accumulated on the dust collecting sheet 3, the flexible antenna 32 can be driven to rotate and separate along the tooth socket, the dust collecting sheet 3 is folded and the proximity switch 5 is triggered, the driving mechanism 7 is triggered to drive the flushing mechanism 6 to vertically and repeatedly flush the outer side walls of the oil pipes 21 and the oil tank 1, meanwhile, the flexible antenna 32 can be driven to move upwards through the thermal expansion piece 4, and the flexible antenna 32 can be driven to rotate, and the dust collecting sheet 3 can be folded and the proximity switch 5 can be triggered.
The invention arranges a plurality of dust collecting sheets 3 along the top circumference of an oil pipe 21 of a cooler, wherein a transformer cooler comprises an oil tank 1 and an oil return pipeline 2, the oil return pipeline 2 comprises a plurality of oil pipes 21 arranged vertically at intervals so as to cool by cooling medium circulating and flowing between each oil pipe 21 and the oil tank 1, the top end of the dust collecting sheet 3 is movably connected with the top end of the oil pipe 21 through a rotating shaft 31 so as to be unfolded or folded in a rotatable manner, a torsion spring is connected between the rotating shaft 31 and the side wall of the oil pipe 21 so as to push each dust collecting sheet 3 to be unfolded in an umbrella shape, the bottom end of a thermal expansion piece 4 is fixed on the inner side wall of the oil pipe 21, one side of the top end of the thermal expansion piece 4 is fixed with a rack 41, the side end of the rotating shaft 31 is fixed with a flexible feeler 32, one end of the flexible feeler 32 penetrates through the oil pipe 21 and is inserted and abutted against the tooth grooves of the rack 41, the outer side wall of the oil pipe 21 is provided with an approach switch 5, and the proximity switch 5 is relatively positioned at the inner side of each dust collecting sheet 3, the bottom end of the oil return pipeline 2 is provided with a flushing mechanism 6, one side outside the cooler is provided with a driving mechanism 7, the driving mechanism 7 is electrically connected with the proximity switch 5, and the driving mechanism 7 is mechanically connected with the flushing mechanism 6, so that in an initial state, each dust collecting sheet 3 is abutted and limited in a tooth slot of the rack 41 through the flexible feeler 32 to support each dust collecting sheet 3 to be unfolded, and each dust collecting sheet 3 is unfolded in an umbrella shape to further facilitate the efficient dust accumulation, in the using process of the transformer, the oil tank 1, the oil return pipeline 2 and each dust collecting sheet 3 synchronously accumulate dust, and when the dust accumulated on the dust collecting sheet 3 reaches a certain amount, the dust collecting sheet 3 can be naturally pressed to separate the flexible feeler 32 along the tooth slot, so that the dust collecting sheet 3 naturally retracts and triggers the proximity switch 5, and a plurality of dust collecting sheets 3 are arranged along the circumferential direction of the oil pipe 21, only when the dust collecting sheet 3 is completely folded to trigger all the proximity switches 5, the trigger driving mechanism 7 drives the flushing mechanism 6 to wash up and down the outer side walls of the oil pipes 21 and the oil tanks 1 in a reciprocating manner so as to prevent large-particle impurities from falling off and touching by mistake, so that on the basis of effective protection, the outer side walls of the oil pipes 21 and the oil tanks 1 are further cleaned thoroughly and efficiently, because the dust collecting sheet 3 is positioned on the oil pipe 21 at the top end, when the flushing mechanism 6 finishes cleaning the oil pipe 21 at the top end, dust on the folded dust collecting sheet 3 can be cleaned together, and when the flushing mechanism 6 washes downwards in a reciprocating manner, because the dust collecting sheet 3 is cleaned up and is unfolded again under the elastic pushing of the torsion spring, the proximity switches 5 are stopped to be triggered, the circuit breaking driving mechanism 7 is opened, the flushing mechanism 6 naturally moves back to fall back to reset, so that the unfolded dust collecting sheet 3 and a cooler start the next maintenance cycle process of normal use dust deposition and automatic triggering flushing together, meanwhile, the thermal expansion piece 4 is arranged on the inner side of the oil pipe 21, the temperature of a cooling medium in the oil pipe 21 can be sensed in real time through the thermal expansion piece 4, when the temperature rises to a certain value, the thermal expansion piece can expand and extend when being heated, the rack 41 is driven to move upwards, until the flexible antenna 32 is driven to rotate, the dust collecting piece 3 is folded and the proximity switch 5 is triggered, so that automatic flushing is triggered and completed similarly, the auxiliary cooling protection effect is achieved, when the temperature in the oil pipe 21 is relatively high, the larger the angle of the rotary folding of the dust collecting piece 3 is driven to be increased through the thermal expansion piece 4, dust collecting triggering flushing is relatively easier, the automatic real-time quantitative evaluation of the dirt accumulation degree on the cooler and the temperature of the cooler is achieved, the intelligent automatic control triggering efficient flushing can be achieved, and the automatic resetting function is achieved after flushing for automatic cycle maintenance.
In the embodiment of the invention, the top end of the oil pipe 21 is concavely provided with a groove, the dust collecting sheet 3 is movably arranged at the groove, and the dust collecting sheet 3 is designed into the same bending shape as the side wall of the oil pipe 21 so as to be fittingly accommodated on the side wall of the oil pipe 21 and be flush with the outer end of the groove when being accommodated, thereby realizing the embedded fitting design of the dust collecting sheet 3 and being beneficial to efficient transmission and cleaning.
In the embodiment of the present invention, the dust collecting fins 33 are provided on the outer side of the dust collecting sheet 3 to increase the dust collecting area, thereby facilitating further efficient dust collection and efficient triggering.
In the embodiment of the present invention, the dust collecting sheet 3 and the dust collecting fins 33 are designed to have a porous structure to facilitate further increase of the dust collecting area and weight reduction of the dust collecting sheet 3, thereby facilitating further efficient dust collection for efficient driving triggering.
In the embodiment of the present invention, the washing mechanism 6 includes a bracket 61, the bracket 61 is disposed between the oil pipe 21 and the outer sidewall of the oil tank 1, a plurality of oil pipe washing cavities are disposed at intervals on one side of the bracket 61 close to the oil pipe 21, an oil tank cleaning cavity is disposed on one side of the bracket 61 close to the outer sidewall of the oil tank, the oil pipe washing cavity is sequentially divided into a first spraying cavity 62 and a first washing cavity 63 from top to bottom, the oil tank cleaning cavity is sequentially divided into a second spraying cavity 64 and a second washing cavity 65 from top to bottom, a plurality of first nozzles 621 are disposed on the inner sidewall of the first spraying cavity 62 for spraying water towards the outer periphery of the sidewall of the oil pipe 21 for washing, a hollow cylindrical first washing member 631 is fixed in the first washing cavity 63 for sliding and washing close to the outer sidewall of the oil pipe 21, a plurality of second nozzles 641 are disposed on the inner sidewall of the second spraying cavity 64 for spraying water towards the outer sidewall of the oil tank 1 for washing, a second washing member 651 is fixed in the second washing cavity 65, the oil pipe cleaning device is used for being attached to the outer side wall of an oil tank 1 to be brushed in a sliding mode, a water collecting cavity 66 is communicated between an oil pipe cleaning cavity and an oil tank cleaning cavity, the water collecting cavity 66 is hollow and used for collecting sewage, a drain pipe 67 is communicated with the bottom end of the water collecting cavity 66, a water inlet pipe 68 is communicated with one end of a support 61 and communicated with a first nozzle 621 and a second nozzle 641, so that when the oil pipe cleaning device is used, the support 61 is driven by a driving mechanism 7 to move from bottom to top, the water is sprayed and washed towards the periphery of the side wall of the oil pipe 21 through a first spraying cavity 62 covering the oil pipe 21 efficiently and uniformly, meanwhile, the water is sprayed and washed towards the outer side wall of the oil tank 1 through a second spraying cavity 64 efficiently and uniformly, as a first brushing cavity 63 and a second brushing cavity 65 at the lower end are attached and moved upwards synchronously, the sprayed and brushed oil pipe 21 and the outer side wall of the oil tank 1 are automatically attached and naturally flow down to a first brushing part 631 and a second brushing part 651 at the lower end, because first scrubbing member 631 and second scrubbing member 651 are the laminating sealed to avoid continuing downflow to spill, thereby the natural flow direction is middle the water collecting cavity 66 and the drain pipe 67 of intercommunication are unified to be collected and directional the emission, and to each oil pipe 21 and the closed washing of oil tank 1 lateral wall, do benefit to thoroughly the clean of more high-efficient, more saving on the one hand, on the other hand also does benefit to effectual electrified protection of washing.
In the embodiment of the present invention, the driving mechanism 7 includes a reciprocating screw rod 71 and a motor 72, the reciprocating screw rod 71 is disposed through one end of the bracket 61 and is engaged with the bracket 61 by screw threads, the motor 72 is disposed at one side outside the cooler, and an output end of the motor 72 is coaxially and fixedly connected with a bottom end of the reciprocating screw rod 71, so as to drive the bracket 61 to move up and down in a reciprocating manner for washing.
In the embodiment of the present invention, the top end surfaces of the first brushing member 631 and the second brushing member 651 are both designed to be inclined, and the downward end of the inclined surface faces the water collecting cavity 66, so as to facilitate efficient collection of the sewage.
In the embodiment of the present invention, the first brushing member 631 and the second brushing member 651 are made of rubber, so as to facilitate efficient fitting brushing and simple manufacturing.
In the embodiment of the invention, a water collecting tank 8 is arranged at one side outside the cooler and used for storing and collecting cleaning water, a water pump 9 is communicated between the water collecting tank 8 and the water inlet pipe 68, the water pump 9 is electrically connected with the proximity switch 5, so that the proximity switch 5 can trigger the water pump 9 to automatically pump water to the water inlet pipe 68 for flushing.
In the embodiment of the present invention, the top end of the water collecting tank 8 is designed to be an open structure, and the opening at the top end of the water collecting tank 8 is provided with a filter screen 10 to filter dust, so that clean rainwater can be automatically collected for storage and supply of cleaning water.
In the self-washing cooling device of the transformer cooler disclosed by the invention, when in use, as the top ends of the dust collecting pieces 3 are movably connected to the top end of the oil pipe 21 through the rotating shaft 31, a torsion spring is connected between the rotating shaft 31 and the side wall of the oil pipe 21 to push each dust collecting piece 3 to unfold in an umbrella shape, the bottom end of the thermal expansion piece 4 is fixed on the inner side wall of the oil pipe 21, one side of the top end of the thermal expansion piece 4 is fixed with a rack 41, the side end of the rotating shaft 31 is fixed with a flexible feeler 32, one end of the flexible feeler 32 penetrates into the oil pipe 21 and is inserted and abutted into a tooth groove of the rack 41, the proximity switch 5 is relatively arranged on the outer side wall of the oil pipe 21 at the inner side of each dust collecting piece 3, the bottom end of the oil return pipeline 2 is provided with a washing mechanism 6, and can naturally press the dust collecting pieces 3 along with the synchronous accumulation of the cooler and each dust collecting piece 3, so that the flexible feeler 32 rotates and disengages along the tooth groove to lead the dust collecting pieces 3 to fold and trigger the proximity switch 5, the trigger driving mechanism 7 drives the flushing mechanism 6 to wash the oil pipes 21 and the outer side wall of the oil tank 1 up and down in a reciprocating manner, the cleaning is carried out along with the dust collecting pieces 3, the dust collecting pieces 3 are unfolded again under the elastic pushing of the torsion spring to stop the triggering flushing, meanwhile, the thermal expansion piece 4 senses the temperature rise in the oil pipes 21 in real time to expand and extend under heat and drives the rack 41 to move upwards so as to drive the flexible feeler 32 to rotate, so that the dust collecting pieces 3 are folded and trigger the proximity switch 5, the automatic flushing is completed by the same triggering, the dirt accumulation degree on the cooler and the temperature of the cooler are evaluated automatically and quantitatively in real time, the intelligent automatic control triggering high-efficiency flushing can be realized, and the automatic resetting is realized after the flushing so as to realize the automatic circulating maintenance function, wherein the dust collecting pieces 3 are embedded and attached, a plurality of dust collecting fins 33 are arranged on the outer side of the dust collecting pieces 3, and the dust collecting fins 33 are designed to be of a porous structure, the washing mechanism 6 comprises a bracket 61, a plurality of oil pipe washing cavities are arranged on one side of the bracket 61 close to the oil pipe 21 at intervals, an oil tank washing cavity is arranged on one side of the bracket 61 close to the outer side wall of the oil tank to realize the enclosed washing of each oil pipe 21 and the outer side wall of the oil tank 1, the driving mechanism 7 comprises a reciprocating screw rod 71 and a motor 72, the reciprocating screw rod 71 is arranged at one end of the bracket 61 in a penetrating way and is meshed with the bracket 61 through threads, the motor 72 is arranged on one side outside the cooler, the output end of the motor 72 is coaxially and fixedly connected with the bottom end of the reciprocating screw rod 71 to drive the bracket 61 to move up and down in a reciprocating way, the top end surfaces of a first brushing part 631 and a second brushing part 651 are both in an inclined design, the inclined downward end faces the water collecting cavity 66, the first brushing part 631 and the second brushing part 651 are both made of rubber materials, a water collecting tank 8 is arranged on one side outside the cooler, and a water pump 9 is communicated between the water collecting tank 8 and a water inlet pipe 68, the top end of the water collecting tank 8 is designed to be an opening structure so as to automatically collect clean rainwater for storage and supply cleaning water.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. The utility model provides a transformer cooler is from washing heat sink, locates transformer cooler's oil tank and time oil pipe way on, time oil pipe way is including the oil pipe that a plurality of vertical intervals set up, its characterized in that includes:
the top ends of the dust collecting pieces are movably connected to the top end of the oil pipe through a rotating shaft, and a torsion spring is connected between the rotating shaft and the side wall of the oil pipe to push each dust collecting piece to be unfolded in an umbrella shape;
the bottom end of the thermal expansion piece is fixed on the inner side wall of the oil pipe, and one side of the top end of the thermal expansion piece is fixed with a rack;
the flexible antenna is fixed at the side end of the rotating shaft, one end of the flexible antenna penetrates into the oil pipe and is inserted into and abutted against the tooth groove of the rack;
the proximity switches are arranged on the outer side wall of the oil pipe and are relatively positioned on the inner side of each dust collecting sheet;
the flushing mechanism is arranged at the bottom end of the oil return pipeline;
the driving mechanism is arranged on one side outside the cooler, the driving mechanism is electrically connected with the proximity switch, the driving mechanism is mechanically connected with the flushing mechanism, dust is continuously accumulated on the dust collecting sheet, so that the flexible antenna can be driven to rotate and separate along the tooth socket, the dust collecting sheet is folded and triggered by the proximity switch, the driving mechanism is triggered to drive the flushing mechanism to vertically and repeatedly flush each oil pipe and the outer side wall of the oil tank, and meanwhile, the thermal expansion piece is heated, expanded and extended to drive the rack to move upwards so as to drive the flexible antenna to rotate, and the dust collecting sheet is folded and triggered by the proximity switch.
2. The transformer cooler self-flushing cooling device according to claim 1, wherein the top end of the oil pipe is recessed to form a groove, the dust collecting plate is movably disposed at the groove, and the dust collecting plate is designed to have the same curved shape as the side wall of the oil pipe so as to be fittingly received on the side wall of the oil pipe and to be flush with the outer end of the groove when being received.
3. The transformer cooler self-flushing cooling device of claim 1, wherein a plurality of dust collecting fins are provided on the outer side of the dust collecting sheet.
4. The transformer cooler self-flushing cooling device of claim 3, wherein the dust collecting pieces and the dust collecting fins are designed to be porous.
5. The self-washing cooling device of the transformer cooler according to claim 1, wherein the washing mechanism comprises a bracket, the bracket is disposed between the oil pipe and the outer wall of the oil tank, the bracket is provided with a plurality of oil pipe washing cavities at intervals near one side of the oil pipe, the bracket is provided with an oil tank washing cavity near one side of the outer wall of the oil tank, the oil pipe washing cavity is sequentially divided into a first spraying cavity and a first washing cavity from top to bottom, the oil tank washing cavity is sequentially divided into a second spraying cavity and a second washing cavity from top to bottom, the inner wall of the first spraying cavity is provided with a plurality of first nozzles for spraying water and washing towards the periphery of the side wall of the oil pipe, a hollow cylindrical first washing member is fixed in the first washing cavity and used for adhering to the outer wall of the oil pipe for sliding washing, the inner wall of the second spraying cavity is provided with a plurality of second nozzles, be used for the orientation the oil tank lateral wall water spray washes, the second is scrubbed the intracavity and is fixed with the second and scrub the piece, is used for the laminating the oil tank lateral wall slides and scrubs, oil pipe wash the chamber with the intercommunication is equipped with the chamber of catchmenting between the oil tank washing chamber, the chamber of catchmenting is the cavity design for collect sewage, the chamber bottom intercommunication of catchmenting is equipped with the drain pipe, support one end intercommunication is equipped with the inlet tube, with first nozzle the second nozzle is linked together.
6. The transformer cooler self-flushing cooling device according to claim 5, wherein the driving mechanism comprises a reciprocating screw rod and a motor, the reciprocating screw rod is arranged at one end of the support in a penetrating manner and is in threaded engagement with the support, the motor is arranged at one side outside the cooler, and the output end of the motor is coaxially and fixedly connected with the bottom end of the reciprocating screw rod.
7. The transformer cooler self-flushing cooling device of claim 5, wherein the top end faces of the first brushing member and the second brushing member are both designed to be inclined, and the downward inclined end faces the water collecting cavity.
8. The transformer cooler self-flushing cooling device of claim 5, wherein the first and second brushing members are made of rubber.
9. The transformer cooler self-flushing cooling device as claimed in claim 5, wherein a water collection tank is provided at an outer side of the cooler, a water pump is provided between the water collection tank and the water inlet pipe, and the water pump is electrically connected to the proximity switch so as to pump water toward the water inlet pipe.
10. The transformer cooler self-flushing cooling device of claim 9, wherein the top of the water collection tank is designed to be an open structure, and a filter screen is disposed at the opening of the top of the water collection tank to filter dust.
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CN114345283B (en) * | 2022-01-20 | 2023-05-30 | 方福食品科技有限公司 | High-purity sodium cyclamate production process and production device thereof |
CN114472386B (en) * | 2022-01-25 | 2023-09-15 | 无锡贝斯柯自动化科技有限公司 | Intelligent cleaning method and system for particle powder conveying device |
CN115479986B (en) * | 2022-09-16 | 2024-06-11 | 山东科技大学 | Microcrack detection device based on umbrella-shaped probe structure |
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