CN113853086B - Frequency conversion protection control cabinet for oil pumping unit - Google Patents

Frequency conversion protection control cabinet for oil pumping unit Download PDF

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Publication number
CN113853086B
CN113853086B CN202111455936.XA CN202111455936A CN113853086B CN 113853086 B CN113853086 B CN 113853086B CN 202111455936 A CN202111455936 A CN 202111455936A CN 113853086 B CN113853086 B CN 113853086B
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CN
China
Prior art keywords
connecting shaft
belt pulley
belt
plate
support frame
Prior art date
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Application number
CN202111455936.XA
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Chinese (zh)
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CN113853086A (en
Inventor
闵锐
李晓晨
李文涛
王晓东
李小勇
贾菲菲
侯仁鹏
王昱昕
王德华
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Shandong Wide Area Technology Co ltd
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Shandong Wide Area Technology Co ltd
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Priority to CN202111455936.XA priority Critical patent/CN113853086B/en
Publication of CN113853086A publication Critical patent/CN113853086A/en
Application granted granted Critical
Publication of CN113853086B publication Critical patent/CN113853086B/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20181—Filters; Louvers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209—Thermal management, e.g. fan control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20945—Thermal management, e.g. inverter temperature control

Abstract

The invention discloses a variable frequency protection control cabinet for an oil pumping unit, which relates to the technical field of control cabinets and comprises a cabinet body for storing electronic elements, wherein a heat dissipation assembly for cooling the electronic elements, a sealing assembly for sealing the electronic elements and a dustproof assembly for adsorbing dust are arranged on the cabinet body; according to the invention, the dustproof assembly effectively prevents and reduces dust from entering and damaging electronic devices, and meanwhile, the dustproof filter cloth on the dustproof assembly is convenient to replace, so that the workload of people is greatly reduced.

Description

Frequency conversion protection control cabinet for oil pumping unit
Technical Field
The invention relates to the technical field of control cabinets, in particular to a variable frequency protection control cabinet for an oil pumping unit.
Background
The existing oil pumping machine control cabinet, the petroleum oil pumping machine control cabinet is generally provided with a large number of devices such as frequency converters, circuit breakers, transformers and the like, and the devices can generate a large amount of heat in the use process; if the generated heat cannot be timely dissipated, the devices can be burnt, even the controller explodes, and serious consequences are generated, so that the control cabinet is generally provided with a heat dissipation structure.
The application number is CN 201410847141.7's patent and has proposed a beam-pumping unit switch board, including the cabinet body, base and rain-proof cap, the upper end of the cabinet body is located to rain-proof cap, and rain-proof cap upper end is equipped with eyebolt, and rain-proof cap includes lid, lateral wall, ventilating board and installation roof beam, and the ventilating board is equipped with four, locates the border of terminal surface under the rain-proof cap respectively, and cabinet body upper end is located to the installation roof beam symmetry, and the lateral wall is equipped with two, is equipped with the both sides of rain-proof cap respectively, lateral wall and installation roof beam mutually perpendicular, and open the up end of the cabinet body has the ventilation hole. Although this patent can be rain-proof, nevertheless poor to the electronic component radiating effect of cabinet internal portion, lead to inside electronic component to damage easily, the dustproof effect of this patent is relatively poor simultaneously, leads to the dust to get into the damage electronic component easily.
Disclosure of Invention
Aiming at the technical problem, the invention provides a variable frequency protection control cabinet for an oil pumping unit, which comprises a cabinet body for storing electronic elements, wherein the cabinet body is provided with a heat dissipation assembly for cooling the electronic elements, a sealing assembly for sealing the electronic elements and a dustproof assembly for adsorbing dust, the heat dissipation assembly comprises a cooling unit and a moving unit, the cooling unit and the moving unit are both arranged on the cabinet body and are connected with each other, the cooling unit comprises a cooling mechanism and an adjusting mechanism, the adjusting mechanism is arranged on the moving unit, the cooling mechanism is arranged on the cabinet body and is connected with the adjusting mechanism, the adjusting mechanism drives the cooling mechanism to cool the electronic elements, the sealing assembly comprises a driving unit and a lifting unit, and the driving unit and the lifting unit are both arranged on the cabinet body, the dustproof assembly comprises a power unit and a filtering unit, wherein the power unit and the filtering unit are both installed on the cabinet body and connected with each other, and the power unit drives the filtering unit to move.
Further, the cabinet body includes the support frame, install cabinet door and waterproof apron on the support frame, the internally mounted of support frame has the electronic component mounting panel, install temperature sensor and electronic component on the electronic component mounting panel, cooling mechanism, mobile unit, drive unit, lifting unit, power unit and filter unit all install on the support frame.
Further, the mobile unit includes heat dissipation frame, lead screw one, guiding axle one, belt one and motor one, heat dissipation frame slidable mounting is on the support frame, a rotation of lead screw is installed on the support frame, guiding axle one and motor one equal fixed mounting are on the support frame, heat dissipation frame and guiding axle one sliding connection, fixed mounting has the spring between heat dissipation frame and the support frame, fixed mounting has belt pulley two on the output shaft of motor one, fixed mounting has belt pulley one on the lead screw one, belt pulley one and belt pulley two pass through belt one and connect, the both ends of lead screw one all are provided with the screw thread, the spiral opposite direction of screw thread at a both ends of lead screw one, heat dissipation frame is provided with two, all is provided with the screw hole on two heat dissipation frames, spring and guiding axle one all are provided with a plurality ofly.
Further, the adjusting mechanism comprises a first connecting plate, a rotating shaft, a first connecting shaft, a second belt, a second motor, a first cylinder and a third belt, the second connecting shaft is rotatably mounted on the supporting frame, the second motor is fixedly mounted on the supporting frame, the first connecting shaft is fixedly mounted on the second connecting shaft, the first connecting shaft is connected with the rotating shaft through splines, the first connecting plate is rotatably mounted on the rotating shaft, a fifth belt pulley is fixedly mounted on an output shaft of the second motor, a fourth belt pulley is fixedly mounted on the second connecting shaft, the fourth belt pulley is connected with the fifth belt through the second belt, a third belt pulley is fixedly mounted on the rotating shaft, a third connecting shaft, a fourth connecting shaft and a fifth connecting shaft are rotatably mounted on the first connecting plate, a sixth belt pulley is fixedly mounted on the third connecting shaft, a seventh belt pulley is fixedly mounted on the fourth connecting shaft, and an eighth belt pulley is fixedly mounted on the fifth connecting shaft, the first cylinder is fixedly installed on the heat dissipation frame, the third belt pulley, the sixth belt pulley, the seventh belt pulley and the eighth belt pulley are all connected with the third belt, a piston rod of the first cylinder is fixedly connected with the first connecting plate, and the first connecting plate is connected with the heat dissipation frame in a sliding mode.
Further, cooling mechanism includes fan one, fan two and fan three, fan one, fan two and fan three all rotate and install on the heat dissipation frame, all be provided with the spline groove on fan one, fan two and the fan three, all set up the integral key shaft on connecting axle three, connecting axle four and the connecting axle five, the length of integral key shaft is all inequality on connecting axle three, connecting axle four, the connecting axle five, connecting plate one, belt pulley three, pivot, connecting axle one, fan one, connecting axle three, belt pulley six, cylinder one, belt pulley seven, connecting axle four, fan two, belt pulley eight, connecting axle five, fan three and belt three all are provided with two.
Further, drive unit includes fixed plate one, belt four and lead screw two, fixed plate one fixed mounting is on the support frame, fixed mounting has motor three on the fixed plate one, fixed mounting has belt pulley nine on the output shaft of motor three, lead screw two rotates and installs on the support frame, fixed mounting has belt pulley ten on the lead screw two, belt pulley nine and belt pulley ten all are connected with belt four, be provided with two sets of screw threads on the lead screw two, the spiral opposite direction of two sets of screw threads.
Further, the lifting unit comprises a first rolling door component, a second rolling door component and a sealing clamping plate, the first roller shutter door component is provided with a threaded hole, the first roller shutter door component is connected with the screw rod two-way through a thread, the rolling door component II is arranged on the rolling door component I which is connected with the supporting frame, the sealing clamping plate is arranged on the supporting frame in a sliding way, a plurality of first expansion springs are arranged between the sealing clamping plate and the supporting frame, a rotating wheel is arranged on the first roller shutter door component and connected with a sealing clamping plate, an arc-shaped groove is arranged on the sealing clamping plate, the second roller shutter door component is provided with a clamping groove, the tenth belt pulley, the second roller shutter door component, the second screw rod and the second sealing clamping plate are all provided with two, the first rolling door assembly and the first rotating wheels are provided with four rolling door assemblies, and the sealing clamping plates are provided with clamping plates.
Further, the power unit comprises a second fixing plate, a fifth belt, a fourth motor, a sixth connecting shaft, a second connecting plate and a third fixing plate, the second fixing plate is fixedly mounted on the support frame, a second air cylinder is fixedly mounted on the second fixing plate, a sloping plate with grooves is fixedly mounted on a piston rod of the second air cylinder, the fourth motor is fixedly mounted on the support frame, a belt pulley A is fixedly mounted on an output shaft of the fourth motor, the sixth connecting shaft is rotatably mounted on the support frame, the sixth connecting shaft is provided with two gears, the sixth connecting shaft is fixedly mounted with the second gear and the third gear, a belt pulley B is fixedly mounted on the sixth connecting shaft, the belt pulley B and the belt pulley A are both connected with the fifth belt, the first gear is rotatably mounted on the second fixing plate, the first gear is meshed with the second gear, and the second connecting plate is slidably mounted on the support frame, three fixed mounting of fixed plate are on the support frame, fixed mounting has guiding axle two on the fixed plate three, two and two sliding connection of connecting plate guiding axle two, be connected with spring two between fixed plate three and the connecting plate two, trough of belt swash plate, cylinder two, gear two, six and the gear three all are provided with two, connecting plate two, spring two and guiding axle two all are provided with four, fixed plate three is provided with a plurality ofly, be provided with the inclined plane on the trough of belt swash plate, it has the notch to open on the trough of belt swash plate.
Further, the filter unit includes connecting axle seven, dustproof filter cloth and finger cylinder, connecting axle seven rotates and installs on the support frame, fixed mounting has gear four on the connecting axle seven, dustproof filter cloth sets up on connecting axle seven, slidable mounting has the bayonet lock on the connecting axle seven, be connected with the second expanding spring between bayonet lock and the connecting axle seven, finger cylinder fixed mounting is on the support frame, gear three and gear four mesh are connected, the terminal surface of bayonet lock is spherical cambered surface, gear four is provided with two, connecting axle seven, finger cylinder and bayonet lock all are provided with four.
Compared with the prior art, the invention has the beneficial effects that: (1) the sealing assembly can be automatically opened and closed, and is convenient to maintain; (2) the heat dissipation assembly senses the internal temperature change through the temperature sensor to control the number of the connected fans, and when the temperature is not high, part of exhaust fans work to reduce energy consumption; (3) according to the invention, the dustproof assembly effectively prevents and reduces dust from entering and damaging electronic devices, and meanwhile, the dustproof filter cloth on the dustproof assembly is convenient to replace, so that the workload of people is greatly reduced; (4) the waterproof cover plate can effectively prevent water from entering.
Drawings
Fig. 1 and 2 are overall schematic views of the present invention.
Fig. 3, 4, 5, 7, 8, 10 and 13 are partial schematic views of the present invention.
Fig. 6, 9 and 11 are partially enlarged schematic views of the present invention.
Fig. 12 is a partial schematic view of a closure assembly in accordance with the present invention.
FIG. 14 is a schematic view of a dust-proof assembly according to the present invention.
Fig. 15 is a partially enlarged view of the dust-proof assembly of the present invention.
Fig. 16 is a partial schematic view of the dust-proof assembly of the present invention.
Fig. 17 is a schematic view of a heat dissipation frame according to the present invention.
FIG. 18 is a schematic view of the stand of the present invention.
Reference numerals: 1-a cabinet body; 2-a heat dissipation assembly; 3-a closure assembly; 4-a dust-proof component; 101-a support frame; 102-a cabinet door; 103-waterproof cover plate; 104-electronic component mounting board; 201-heat dissipation frame; 202-a spring; 203-a first lead screw; 204-a guide shaft I; 205-pulley one; 206-pulley two; 207-belt one; 208-motor one; 209-connecting plate one; 210-pulley III; 211-a rotating shaft; 212-connecting shaft one; 213-connecting shaft two; 214-Pulley four; 215-leather belt two; 216-Pulley five; 217-motor two; 218-fan one; 219-connecting shaft III; 220-Pulley six; 221-cylinder one; 222-Pulley seven; 223-connecting shaft four; 224-fan two; 225-Pulley eight; 226-connecting shaft five; 227-fan three; 228-Belt III; 301-fixing plate one; 302-motor three; 303-Pulley nine; 304-Belt four; 305-pulley ten; 306-a first tambour door assembly; 307-rolling door component two; 308-a second lead screw; 309-sealing clamping plate; 310-a wheel; 401-grooved sloping plate; 402-cylinder two; 403-fixing plate II; 404-Gear one; 405-gear two; 406-Belt five; 407-Pulley A; 408-motor four; 409-connecting shaft six; 410-gear three; 411-connecting shaft seven; 412-gear four; 413-dustproof filter cloth; 414-finger cylinder; 415-connecting plate two; 416-spring two; 417-pulley B; 418-fixing plate three; 419-bayonet lock; 420-guiding shaft two.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14, fig. 15, fig. 16, fig. 17, and fig. 18, a frequency conversion protection control cabinet for an oil pumping unit includes a cabinet body 1 for storing electronic components, wherein the cabinet body 1 is provided with a heat dissipation assembly 2 for cooling down the electronic components, a sealing assembly 3 for sealing the electronic components, and a dust prevention assembly 4 for adsorbing dust, the heat dissipation assembly 2 includes a cooling unit and a moving unit, both the cooling unit and the moving unit are mounted on the cabinet body 1, the cooling unit is connected with the moving unit, the cooling unit includes a cooling mechanism and an adjusting mechanism, the adjusting mechanism is mounted on the moving unit, the cooling mechanism is mounted on the cabinet body 1, the cooling mechanism is connected with the adjusting mechanism, the cooling mechanism is driven by the adjusting mechanism to cool down the electronic components, the sealing assembly 3 comprises a driving unit and a lifting unit, the driving unit and the lifting unit are both installed on the cabinet body 1 and connected with each other, the lifting unit is driven to lift through the driving unit, the dustproof assembly 4 comprises a power unit and a filtering unit, the power unit and the filtering unit are both installed on the cabinet body 1 and connected with each other, and the filtering unit is driven to move through the power unit.
As shown in fig. 1, 2, 4, 5, 6, 10, 11, 12 and 18, wherein the cabinet body 1 includes a supporting frame 101, a cabinet door 102 and a waterproof cover plate 103 are installed on the supporting frame 101, an electronic component mounting plate 104 is installed inside the supporting frame 101, a temperature sensor and an electronic component are installed on the electronic component mounting plate 104, a cooling mechanism, a moving unit, a driving unit, a lifting unit, a power unit and a filtering unit are all installed on the supporting frame 101, the driving unit includes a first fixing plate 301, a fourth belt 304 and a second lead screw 308, the first fixing plate 301 is fixedly installed on the supporting frame 101, a third motor 302 is fixedly installed on the first fixing plate 301, a ninth belt pulley 303 is fixedly installed on an output shaft of the third motor 302, the second lead screw 308 is rotatably installed on the supporting frame 101, a tenth belt pulley 305 is fixedly installed on the second lead screw 308, the ninth belt 303 and the tenth belt 305 are both connected with the fourth belt 304, two groups of threads are arranged on the second screw rod 308, and the spiral directions of the two groups of threads are opposite.
The lifting unit comprises a first rolling door component 306, a second rolling door component 307 and a sealing clamping plate 309, a threaded hole is formed in the first rolling door component 306, the first rolling door component 306 is in threaded connection with a second lead screw 308, the second rolling door component 307 is installed on the first rolling door component 306, the first rolling door component 306 is connected with the support frame 101, the sealing clamping plate 309 is installed on the support frame 101 in a sliding mode, a plurality of first telescopic springs are arranged between the sealing clamping plate 309 and the support frame 101, a rotating wheel 310 is installed on the first rolling door component 306, the rotating wheel 310 is connected with the sealing clamping plate 309, an arc-shaped groove is formed in the sealing clamping plate 309, a clamping groove is formed in the second rolling door component 307, a belt pulley ten 305, the second rolling door component 307, the second lead screw 308 and the sealing clamping plate 309 are both provided with two, the first rolling door component 306 and the rotating wheel 310 are both provided with four, and the clamping plates are arranged on the sealing clamping plate 309.
The electronic component is installed on the electronic component installation plate 104, the motor three 302 is started, the output shaft of the motor three 302 drives the pulley nine 303 to rotate, the pulley nine 303 drives the pulley ten 305 to rotate through the belt four 304, the pulley ten 305 drives the screw rod two 308 to rotate, the screw rod two 308 drives the rolling door component two 307 and the rotating wheel 310 to move through the rolling door component one 306, when the rotating wheel 310 moves, the rotating wheel 310 presses the sealing clamping plate 309 to descend on the support frame 101, so that the situation that the rolling door component two 307 cannot move due to the clamping of the clamping plate on the sealing clamping plate 309 is prevented, when the rotating wheel 310 moves into the arc-shaped groove on the screw rod two 308, the sealing clamping plate 309 ascends, at the moment, the two rolling door components two 307 are completely unfolded, the clamping plate on the sealing clamping plate 309 clamps the clamping groove on the rolling door component two 307, so that the two rolling door components 307 seal the electronic component on the electronic component installation plate 104, when the second shutter door assembly 307 needs to be opened, the above mechanisms move reversely.
As shown in figures 3, 5, 6, 7 and 8, as shown in fig. 9 and 17, the moving unit includes a heat dissipation frame 201, a first lead screw 203, a first guide shaft 204, a first belt 207 and a first motor 208, the heat dissipation frame 201 is slidably mounted on the support frame 101, the first lead screw 203 is rotatably mounted on the support frame 101, the first guide shaft 204 and the first motor 208 are both fixedly mounted on the support frame 101, the heat dissipation frame 201 is slidably connected with the first guide shaft 204, a spring 202 is fixedly mounted between the heat dissipation frame 201 and the support frame 101, a second belt pulley 206 is fixedly mounted on an output shaft of the first motor 208, a first belt pulley 205 is fixedly mounted on the first lead screw 203, the first belt pulley 205 is connected with the second belt pulley 206 through the first belt 207, two ends of the first lead screw 203 are both provided with threads, the spiral directions of the threads at two ends of the first lead screw 203 are opposite, the heat dissipation frame 201 is provided with two, both the heat dissipation frames 201 are provided with threaded holes, and the springs 202 and the first guide shafts 204 are provided with a plurality.
The adjusting mechanism comprises a first connecting plate 209, a rotating shaft 211, a first connecting shaft 212, a second connecting shaft 213, a second belt 215, a second motor 217, a first cylinder 221 and a third belt 228, the second connecting shaft 213 is rotatably installed on the support frame 101, the second motor 217 is fixedly installed on the support frame 101, the first connecting shaft 212 is fixedly installed on the second connecting shaft 213, the first connecting shaft 212 is in splined connection with the rotating shaft 211, the first connecting plate 209 is rotatably installed on the rotating shaft 211, a fifth belt pulley 216 is fixedly installed on an output shaft of the second motor 217, a fourth belt pulley 214 is fixedly installed on the second connecting shaft 213, the fourth belt pulley 214 is connected with the fifth belt pulley 216 through the second belt 215, a third belt pulley 210 is fixedly installed on the rotating shaft 211, a third connecting shaft 219, a fourth connecting shaft 223 and a fifth connecting shaft 226 are rotatably installed on the first connecting plate 209, a sixth belt pulley 220 is fixedly installed on the third connecting shaft 219, and a seventh belt pulley 222 is fixedly installed on the fourth connecting shaft 223, a belt pulley eight 225 is fixedly mounted on the connecting shaft five 226, a cylinder I221 is fixedly mounted on the heat dissipation frame 201, a belt pulley three 210, a belt pulley six 220, a belt pulley seven 222 and the belt pulley eight 225 are all connected with a belt three 228, a piston rod of the cylinder I221 is fixedly connected with a connecting plate I209, and the connecting plate I209 is in sliding connection with the heat dissipation frame 201.
The cooling mechanism comprises a first fan 218, a second fan 224 and a third fan 227, the first fan 218, the second fan 224 and the third fan 227 are rotatably mounted on the heat dissipation frame 201, spline grooves are formed in the first fan 218, the second fan 224 and the third fan 227, spline shafts are arranged on a connecting shaft III 219, a connecting shaft IV 223 and a connecting shaft V226, the length of the spline shafts on the connecting shaft III 219, the connecting shaft IV 223 and the connecting shaft V226 is different, and two of the connecting plate I209, the belt pulley III 210, the rotating shaft 211, the connecting shaft I212, the first fan 218, the connecting shaft III 219, the belt pulley six 220, the air cylinder I221, the belt pulley seven 222, the connecting shaft IV 223, the second fan 224, the belt pulley eight 225, the connecting shaft V226, the third fan 227 and the belt III 228 are arranged.
When the electronic component needs to be cooled, the first air cylinder 221 is started, the first air cylinder 221 drives the rotating shaft 211 to slide on the first connecting shaft 212 through the first connecting plate 209, the first connecting plate 209 further slides on the heat dissipation frame 201, the first connecting plate 209 drives the third connecting shaft 219, the fourth connecting shaft 223 and the fifth connecting shaft 226 to move, when the temperature sensor on the electronic component mounting plate 104 detects that the temperature is not higher than 25 ℃, the spline shaft on the fifth connecting shaft 226 is connected with the spline groove on the third fan 227, the spline shaft on the third connecting shaft 219 is not connected with the spline groove on the first fan 218, the spline shaft on the fourth connecting shaft 223 is not connected with the spline groove of the second fan 224, the second motor 217 is started, the output shaft of the second motor 217 drives the fifth belt pulley 216 to rotate, the fifth belt pulley 216 drives the fourth belt 214 to rotate through the second belt 215, the fourth belt 214 drives the first connecting shaft 212 to rotate through the second connecting shaft 213, and the first connecting shaft 212 drives the third belt 210 to rotate through the rotating shaft 211, the third pulley 210 drives the sixth pulley 220, the seventh pulley 222 and the eighth pulley 225 to rotate through the third belt 228, the eighth pulley 225 drives the third fan 227 to rotate through the spline shaft on the fifth connecting shaft 226, so that the third fan 227 rotates to cool the electronic component, when the temperature of the electronic component is higher than 25 ℃ and not higher than 45 ℃, the spline shaft on the fifth connecting shaft 226 is connected with the spline groove on the third fan 227, the spline shaft on the third connecting shaft 219 is connected with the spline groove on the first fan 218, the spline shaft on the fourth connecting shaft 223 is not connected with the spline groove of the second fan 224, the eighth pulley 225 drives the third fan 227 to rotate through the spline shaft on the fifth connecting shaft 226, the seventh pulley 222 drives the second fan 224 to rotate through the spline shaft on the fourth connecting shaft 223, so that the second fan 224 and the third fan 227 rotate simultaneously to cool the electronic component, when the temperature of the electronic component is higher than 45 ℃, the spline shaft on the connecting shaft five 226 is connected with the spline groove on the fan three 227, the spline shaft on the connecting shaft three 219 is connected with the spline groove on the fan one 218, the spline shaft on the connecting shaft four 223 is connected with the spline groove on the fan two 224, the spline shaft on the connecting shaft five 226 drives the fan three 227 to rotate, the spline shaft on the connecting shaft four 223 drives the fan two 224 to rotate, the spline shaft on the connecting shaft four 223 drives the fan one 218 to rotate, and the spline shaft on the connecting shaft three 219 drives the fan six 220 to rotate, so that the fan one 218, the fan two 224 and the fan three 227 rotate simultaneously to cool the electronic component.
As shown in fig. 3, 7, 13, 14, 15 and 16, the power unit includes a second fixing plate 403, a fifth belt 406, a fourth motor 408, a sixth connecting shaft 409, a second connecting plate 415 and a third fixing plate 418, the second fixing plate 403 is fixedly mounted on the support frame 101, the second fixing plate 403 is fixedly mounted on the second cylinder 402, a grooved inclined plate 401 is fixedly mounted on a piston rod of the second cylinder 402, the fourth motor 408 is fixedly mounted on the support frame 101, a pulley a407 is fixedly mounted on an output shaft of the fourth motor 408, the sixth connecting shaft 409 is rotatably mounted on the support frame 101, two connecting shafts 409 are provided, a second gear 405 and a third gear 410 are fixedly mounted on the sixth connecting shaft 409, a pulley B417 is fixedly mounted on one connecting shaft six 409, the pulley B417 and the pulley a407 are both connected with the fifth belt 406, a first gear 404 is rotatably mounted on the second fixing plate 403, and the first gear 404 and the second gear 405 are engaged and connected, connecting plate two 415 slidable mounting is on support frame 101, fixed plate three 418 fixed mounting is on support frame 101, fixed mounting has guide shaft two 420 on the fixed plate three 418, guide shaft two 420 and connecting plate two 415 sliding connection, be connected with spring two 416 between fixed plate three 418 and the connecting plate two 415, grooved swash plate 401, cylinder two 402, gear two 405, connecting shaft six 409 and gear three 410 all are provided with two, connecting plate two 415, spring two 416 and guide shaft two 420 all are provided with four, fixed plate three 418 is provided with a plurality ofly, be provided with the inclined plane on the grooved swash plate 401, it has the notch to open on the grooved swash plate 401.
The filtering unit comprises a connecting shaft seven 411, dustproof filter cloth 413 and finger cylinders 414, the connecting shaft seven 411 is rotatably installed on the supporting frame 101, a gear four 412 is fixedly installed on the connecting shaft seven 411, the dustproof filter cloth 413 is arranged on the connecting shaft seven 411, bayonet pins 419 are slidably installed on the connecting shaft seven 411, second telescopic springs are connected between the bayonet pins 419 and the connecting shaft seven 411, the finger cylinders 414 are fixedly installed on the supporting frame 101, the gear three 410 is meshed with the gear four 412 and connected with the gear three 410 in a meshed mode, the end faces of the bayonet pins 419 are spherical cambered surfaces, the gear four 412 is provided with two, and the connecting shaft seven 411, the finger cylinders 414 and the bayonet pins 419 are four in number.
Initially, the second spring 416 is in a compressed state, the seventh connecting shaft 411 close to the finger cylinder 414 is used for placing a new dustproof filter cloth 413, the seventh connecting shaft 411 far away from the finger cylinder 414 is used for placing the dustproof filter cloth 413 adsorbed with dust, every other day, the output shaft of the fourth motor 408 drives the belt pulley a407 to rotate, the belt pulley a407 drives the belt pulley B417 to rotate through the fifth belt 406, the belt pulley B417 drives the sixth connecting shaft 409 to rotate, the sixth connecting shaft 409 drives the second connected gear 405 to rotate, the second connected gear 405 drives the second another gear 405 to rotate through the first gear 404, the second connected gear 405 drives the sixth connected connecting shaft 409 to rotate, the sixth connecting shaft 409 drives the fourth gear 412 to rotate through the third gear 410, the fourth connecting shaft 412 drives the seventh connecting shaft 411 to rotate, when the seventh connecting shaft 411 far away from the finger cylinder 414 rotates, the dustproof filter cloth 413 adsorbed with dust is wound up, when the dustproof filter cloth 413 on the seventh connecting shaft 411 near the finger cylinder 414 is about to be used up, the first motor 208 is started, the second belt pulley 206 is driven to rotate by the output shaft of the first motor 208, the first belt pulley 205 is driven to rotate by the second belt pulley 206 through the first belt 207, the first belt pulley 205 drives the first lead screw 203 to rotate, the first lead screw 203 drives the heat dissipation frame 201 to slide on the first guide shaft 204 and the support frame 101, so that the heat dissipation frame 201 is moved out, the finger cylinder 414 is started, the tail end 413 of the last section of dustproof filter cloth on the connecting shaft seven 411 is manually clamped through the finger cylinder 414, and waste of the dustproof filter cloth 413 caused by the fact that the last section of dustproof filter cloth 413 on the connecting shaft seven 411 cannot be continuously rolled on the connecting shaft seven 411 is avoided.
When the dustproof filter cloth 413 is completely used up and needs to be replaced, the motor I208 is started, the output shaft of the motor I208 drives the pulley II 206 to rotate, the pulley II 206 drives the pulley I205 to rotate through the belt I207, the pulley I205 drives the screw I203 to rotate, the screw I203 drives the heat dissipation frame 201 to slide on the guide shaft I204 and the support frame 101, so that the heat dissipation frame 201 is moved out, the cylinder II 402 is started, the piston rod of the cylinder II 402 drives the grooved inclined plate 401 to move, when the grooved inclined plate 401 moves, the spring II 416 drives the connecting plate II 415 to slide on the support frame 101 and the guide shaft II 420 through elasticity, and when the connecting plate II 415 moves, the clamping pin 419 is driven to slide on the connecting shaft VII 411, so that the connecting plate II 415 is separated from the clamping pin 419, and the dustproof filter cloth 413 adsorbed with dust is conveniently taken down and replaced by a new dustproof filter cloth 413.

Claims (2)

1. A frequency conversion protection control cabinet for an oil pumping unit comprises a cabinet body, and is characterized in that a heat dissipation assembly, a sealing assembly and a dustproof assembly are arranged on the cabinet body; the cooling assembly comprises a cooling unit and a moving unit, the cooling unit and the moving unit are both arranged on the cabinet body and connected with each other, the cooling unit comprises a cooling mechanism and an adjusting mechanism, the adjusting mechanism is arranged on the moving unit, the cooling mechanism is arranged on the cabinet body and connected with the adjusting mechanism; the sealing assembly comprises a driving unit and a lifting unit, the driving unit and the lifting unit are both arranged on the cabinet body, and the driving unit is connected with the lifting unit; the dustproof assembly comprises a power unit and a filtering unit, the power unit and the filtering unit are both arranged on the cabinet body, and the power unit is connected with the filtering unit; the cabinet body comprises a support frame, a cabinet door and a waterproof cover plate are mounted on the support frame, an electronic element mounting plate is mounted inside the support frame, a temperature sensor and an electronic element are mounted on the electronic element mounting plate, and the cooling mechanism, the moving unit, the driving unit, the lifting unit, the power unit and the filtering unit are mounted on the support frame; the adjusting mechanism comprises a first connecting plate, a rotating shaft, a first connecting shaft, a second belt, a second motor, a first cylinder and a third belt, the second connecting shaft is rotatably installed on the supporting frame, the second motor is fixedly installed on the supporting frame, the first connecting shaft is fixedly installed on the second connecting shaft, the first connecting shaft is connected with the rotating shaft through splines, the first connecting plate is rotatably installed on the rotating shaft, a fifth belt pulley is fixedly installed on an output shaft of the second motor, a fourth belt pulley is fixedly installed on the second connecting shaft, the fourth belt pulley is connected with the fifth belt through the second belt, a third belt pulley is fixedly installed on the rotating shaft, a third connecting shaft, a fourth connecting shaft and a fifth connecting shaft are rotatably installed on the first connecting plate, a sixth belt pulley is fixedly installed on the third connecting shaft, a seventh belt pulley is fixedly installed on the fourth connecting shaft, and an eighth belt pulley is fixedly installed on the fifth connecting shaft, the first cylinder is fixedly arranged on the heat dissipation frame, the third belt pulley, the sixth belt pulley, the seventh belt pulley and the eighth belt pulley are all connected with the third belt, and a piston rod of the first cylinder is fixedly connected with the first connecting plate;
the moving unit comprises a heat dissipation frame, a first lead screw, a first guide shaft, a first belt and a first motor, the heat dissipation frame is slidably arranged on the support frame, one lead screw is rotatably arranged on the support frame, the first guide shaft and the first motor are both fixedly arranged on the support frame, the heat dissipation frame is connected with the guide shaft I in a sliding way, a spring is fixedly arranged between the heat dissipation frame and the support frame, a second belt pulley is fixedly arranged on an output shaft of the first motor, a first belt pulley is fixedly arranged on the first screw rod, the first belt pulley and the second belt pulley are connected through a first belt, both ends of the first screw rod are provided with threads, the screw directions of the threads at the two ends of the screw rod are opposite, two radiating frames are arranged, threaded holes are arranged on the two radiating frames, the springs and the guide shafts are arranged in a plurality, and the connecting plate I is connected with the heat dissipation frame in a sliding mode;
the cooling mechanism comprises a fan I, a fan II and a fan III, wherein the fan I, the fan II and the fan III are rotatably arranged on the heat dissipation frame, spline grooves are formed in the fan I, the fan II and the fan III, spline shafts are arranged on the connecting shaft III, the connecting shaft IV and the connecting shaft V, the length of the spline shafts on the connecting shaft III, the connecting shaft IV and the connecting shaft V is different, and the connecting plate I, the belt pulley III, the rotating shaft, the connecting shaft I, the fan I, the connecting shaft III, the belt pulley VI, the cylinder I, the belt pulley VII, the connecting shaft IV, the fan II, the belt pulley VIII, the connecting shaft V, the fan III and the belt III are respectively provided with two;
the driving unit comprises a first fixing plate, a fourth belt and a second screw rod, the first fixing plate is fixedly installed on the support frame, a third motor is fixedly installed on the first fixing plate, a ninth belt pulley is fixedly installed on an output shaft of the third motor, the second screw rod is rotatably installed on the support frame, a tenth belt pulley is fixedly installed on the second screw rod, the ninth belt pulley and the tenth belt pulley are both connected with the fourth belt, the second screw rod is provided with two groups of threads, and the spiral directions of the two groups of threads are opposite;
the lifting unit comprises a first rolling door assembly, a second rolling door assembly and a sealing clamping plate, wherein a threaded hole is formed in the first rolling door assembly, the first rolling door assembly and a lead screw two are in threaded connection, the second rolling door assembly is installed on the first rolling door assembly, the first rolling door assembly is connected with a support frame, the sealing clamping plate is installed on the support frame in a sliding mode, a plurality of first telescopic springs are arranged between the sealing clamping plate and the support frame, a rotating wheel is installed on the first rolling door assembly, the rotating wheel is connected with the sealing clamping plate, an arc-shaped groove is formed in the sealing clamping plate, a clamping groove is formed in the second rolling door assembly, two belt pulleys, four rolling door assemblies, two lead screws and two sealing clamping plates are arranged, four rolling door assemblies and four rotating wheels are arranged, and clamping plates are arranged on the sealing clamping plates;
the power unit comprises a second fixed plate, a fifth belt, a fourth motor, a sixth connecting shaft, a second connecting plate and a third fixed plate, the second fixed plate is fixedly mounted on the support frame, a second air cylinder is fixedly mounted on the second fixed plate, a sloping plate with a groove is fixedly mounted on a piston rod of the second air cylinder, the fourth motor is fixedly mounted on the support frame, a belt pulley A is fixedly mounted on an output shaft of the fourth motor, the six connecting shafts are rotatably mounted on the support frame, the six connecting shafts are provided with two gears, the six connecting shafts are fixedly mounted with a second gear and a third gear, a belt pulley B is fixedly mounted on the six connecting shafts, the belt pulley B and the belt pulley A are both connected with the fifth belt, a first gear is rotatably mounted on the second fixed plate, the first gear is meshed with the second gear, the second connecting plate is slidably mounted on the support frame, and the third fixed plate is fixedly mounted on the support frame, fixed mounting has guide shaft two on the fixed plate three, guide shaft two and two sliding connection of connecting plate, be connected with spring two between fixed plate three and the connecting plate two, trough of belt swash plate, cylinder two, gear two, connecting axle six and gear three all are provided with two, connecting plate two, spring two and guide shaft two all are provided with four, fixed plate three is provided with a plurality ofly, be provided with the inclined plane on the trough of belt swash plate, it has the notch to open on the trough of belt swash plate.
2. The frequency conversion protection control cabinet for the oil pumping unit according to claim 1, wherein the filter unit comprises a connecting shaft seven, dustproof filter cloth and finger cylinders, the connecting shaft seven is rotatably mounted on the support frame, a gear four is fixedly mounted on the connecting shaft seven, the dustproof filter cloth is arranged on the connecting shaft seven, bayonet locks are slidably mounted on the connecting shaft seven, a second expansion spring is connected between the bayonet locks and the connecting shaft seven, the finger cylinders are fixedly mounted on the support frame, the gear three is in meshing connection with the gear four, the end surfaces of the bayonet locks are spherical cambered surfaces, the gear four is provided with two, and the connecting shaft seven, the finger cylinders and the bayonet locks are all provided with four.
CN202111455936.XA 2021-12-02 2021-12-02 Frequency conversion protection control cabinet for oil pumping unit Active CN113853086B (en)

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Application Number Priority Date Filing Date Title
CN202111455936.XA CN113853086B (en) 2021-12-02 2021-12-02 Frequency conversion protection control cabinet for oil pumping unit

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Application Number Priority Date Filing Date Title
CN202111455936.XA CN113853086B (en) 2021-12-02 2021-12-02 Frequency conversion protection control cabinet for oil pumping unit

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CN113853086B true CN113853086B (en) 2022-02-11

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106356743A (en) * 2016-12-04 2017-01-25 宁秀芬 Power distribution cabinet with internal cyclic heat dissipation
US10482916B1 (en) * 2018-11-20 2019-11-19 Jiangsu Fine Storage Information Technology Co., Ltd. Automatic CD processing facility
CN112502603A (en) * 2020-12-19 2021-03-16 漳州喜洋洋机电科技有限公司 Anti-falling safety device for rolling door
CN112993780A (en) * 2019-12-02 2021-06-18 郁敏 Low-voltage switch cabinet capable of automatically radiating heat

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101441935B (en) * 2008-09-01 2011-06-29 广东昭信平洲电子有限公司 Biax full-automatic coiling machine
CN102409417B (en) * 2011-09-17 2013-12-25 福建师范大学 Artificial intelligence type electrostatic spinning instrument
CN109277901A (en) * 2018-11-12 2019-01-29 中信戴卡股份有限公司 A kind of wheel is with type burr brushing equipment
CN110739613B (en) * 2019-11-04 2021-06-11 浪达网络科技(浙江)有限公司 Constant temperature and humidity switch board convenient to adjust
CN214849762U (en) * 2021-07-06 2021-11-23 浙江华融电力科技有限公司 Indoor power distribution cabinet capable of dissipating heat quickly
CN113551979B (en) * 2021-08-21 2022-11-15 深圳三思试验设备有限公司 Heat-resistant steel strength detection equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106356743A (en) * 2016-12-04 2017-01-25 宁秀芬 Power distribution cabinet with internal cyclic heat dissipation
US10482916B1 (en) * 2018-11-20 2019-11-19 Jiangsu Fine Storage Information Technology Co., Ltd. Automatic CD processing facility
CN112993780A (en) * 2019-12-02 2021-06-18 郁敏 Low-voltage switch cabinet capable of automatically radiating heat
CN112502603A (en) * 2020-12-19 2021-03-16 漳州喜洋洋机电科技有限公司 Anti-falling safety device for rolling door

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