CN113329591B - From converter of taking cooling function - Google Patents
From converter of taking cooling function Download PDFInfo
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- CN113329591B CN113329591B CN202110498887.1A CN202110498887A CN113329591B CN 113329591 B CN113329591 B CN 113329591B CN 202110498887 A CN202110498887 A CN 202110498887A CN 113329591 B CN113329591 B CN 113329591B
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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
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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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
- H05K5/0213—Venting apertures; Constructional details thereof
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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
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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
- 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
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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
- 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
- H05K7/20927—Liquid coolant without phase change
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a frequency converter with a cooling function, which comprises a casing frame, wherein a motor casing is symmetrically arranged on the casing frame, a servo motor is arranged in the motor casing, the servo motor is connected with a rotating shaft, first blind holes are symmetrically formed in the tops of the side surfaces of the two sides of the casing frame, three lifting holes are symmetrically formed in the two sides of the top surface of the casing frame, a gear is correspondingly arranged at the position of the first blind hole, the bottom end of the gear is meshed with a toothed plate, one end of the toothed plate is fixedly connected with a side plate, a worm wheel is arranged on the rotating shaft, a lifting worm is meshed with the side surface of the worm wheel, and the top end of the lifting worm is arranged on the bottom surface of a top plate. The beneficial effects are that: according to the invention, when the working temperature of the frequency converter main body exceeds a set value, the side plates and the top plates can be automatically opened, so that the air exchange efficiency is accelerated, the air cooling effect is greatly improved, and the water cooling system is additionally arranged, so that the frequency converter main body has the functions of water cooling, temperature reduction and cooling, does not occupy the inner cavity space of the shell, and is convenient to maintain.
Description
Technical Field
The invention relates to the technical field of frequency converters, in particular to a frequency converter with a cooling function.
Background
The frequency converter is a power control device which uses frequency conversion technology and microelectronics technology to control an alternating current motor by changing the frequency of a working power supply of the motor, the frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, the required power supply voltage is provided according to the actual requirement of the motor, and further the purposes of energy conservation and speed regulation are achieved.
The rectifier transformer and power component and other parts inside the converter can produce more heat at the during operation, and the normal operating temperature of converter is generally between minus ten to fifty degrees centigrade, in case this scope is exceeded, will seriously influence the normal work of converter, even cause the converter to damage, current converter is mostly just simply rely on radiator fan to draw in external cold air into the casing inner chamber and carry out the forced air cooling heat dissipation, but because the casing inner chamber is sealed relatively, the forced air cooling radiating effect is very limited, the heat is liable to be built up fast and is led to the casing inside temperature to rise fast in the casing inner chamber, and because the converter casing inner chamber space is limited, if install water cooling system additional in the casing inner chamber can occupy the great space of casing inner chamber, and be inconvenient for the workman to maintain water cooling system's main part, it also can consume great electric energy to last to use water cooling system, in addition, in order to ensure that external dust does not accumulate in the converter main part, through can install the filter screen additional in the louvre of casing and radiator fan department, but also need wash after the filter screen is used for a long time, the filter screen of current converter is changed the filter screen is mostly through screw installation, the dust filter screen of dismantlement has reduced the dust filter screen of installation efficiency of comparatively has been changed.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the frequency converter with the cooling function, which has the advantages that the side plates and the top plates are automatically opened when the temperature exceeds a set value, the air exchange efficiency is quickened, the air cooling and cooling effect is greatly improved, the water cooling system is additionally arranged, the space in the inner cavity of a shell is not occupied, the maintenance is convenient, the cooling and cooling effect when the frequency converter works is further improved, and the dust filtering net can be quickly detached and replaced under the condition of not using tools.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a from frequency converter of taking cooling function, includes the casing frame, the motor casing is installed to casing frame back top both ends symmetry, and the motor casing embeds there is servo motor to the servo motor output is connected with the axis of rotation, two first blind holes have been seted up to casing frame both sides side top symmetry, three lifting hole has been seted up to casing frame top surface bilateral symmetry, the axis of rotation is located first blind hole position and corresponds installs the gear, and the gear bottom meshes with the pinion rack, and pinion rack one end fixedly connected with curb plate, the axis of rotation is located lifting hole one side position and corresponds installs the worm wheel, and worm wheel side engagement has lifting worm to lifting worm top is installed in roof bottom surface.
As a further description of the above technical solution:
two the curb plate is close to pinion rack one side bottom symmetry and installs the connecting rod, and the connecting rod top is connected with spacing slider, two second blind holes have been seted up to casing frame both sides side bottom symmetry, and two spacing spout has been seted up to second blind hole top surface and bottom surface symmetry to spacing spout is embedded to spacing slider.
As a further description of the above technical solution:
two the curb plate is kept away from pinion rack one side and is installed heat exchanger and coolant tank in proper order, water-cooling base is installed to casing frame bottom plate top surface central authorities, and the heat conduction copper is installed to the water-cooling base inboard to the converter main part is installed to the heat conduction copper inboard, circulating water pump is installed to casing frame bottom plate inner chamber, a set of water inlet connector and return water connector are respectively installed to casing frame bottom plate both sides side, water inlet connector, circulating water pump, all communicates through circulating water pipe between water-cooling base and the return water connector and heat exchanger and the cold water tank, all communicates through telescopic water pipe between coolant tank and the water inlet connector and between heat exchanger and the return water connector.
As a further description of the above technical solution:
the back of the shell frame is connected with a back plate through a hinge, a plurality of cooling fans are uniformly arranged on the back plate, and a handle is arranged on one side of the side face of the back plate.
As a further description of the above technical solution:
two groups of first sliding grooves are symmetrically formed in the top end and the bottom end of the inner side of the shell frame, two groups of first sliding blocks are correspondingly clamped and embedded in the first sliding grooves, a movable frame is fixedly connected between the two groups of first sliding blocks, and dust filtering nets are arranged on the side faces and the top face of the three sides of the movable frame.
As a further description of the above technical solution:
the second sliding block is arranged on the bottom surface of the toothed plate, a second sliding groove is formed in the bottom surface of the first blind hole, and the second sliding block is embedded in the second sliding groove.
As a further description of the above technical solution:
the main control panel is arranged on the front surface of the shell frame, the temperature sensor is arranged on the side surface of the frequency converter main body, and the main control panel is electrically connected with the frequency converter main body, the temperature sensor, the servo motor, the heat exchanger, the circulating water pump and the cooling fan.
As a further description of the above technical solution:
the four side surfaces and one top surface of the shell frame are hollow structures.
As a further description of the above technical solution:
the top plate area is larger than the bottom plate area of the shell frame.
As a further description of the above technical solution:
the shell frame, the side plates, the top plate and the top plate are all made of aluminum magnesium alloy materials.
Compared with the prior art, the invention has the beneficial effects that;
1. the invention is provided with the shell frame, during normal operation, the top plate and the side plates arranged at the top and at the two sides of the shell frame are in a closed state, the inner cavity of the shell frame is in a relatively airtight state, at the moment, the heat generated by the frequency converter main body arranged in the inner cavity of the shell frame is radiated by the heat radiation fan arranged on the back plate at the back of the shell frame, when the temperature in the shell frame exceeds a set value due to excessive heat radiated by the frequency converter main body during operation, the temperature sensor arranged at one side of the frequency converter main body feeds back a temperature signal to the main control panel, the main control panel controls the servo motor in the motor shell to start, the servo motor drives the rotating shaft to rotate, when the rotating shaft rotates, the gears arranged at the two ends of the rotating shaft rotate along with the rotating shaft, the gears are meshed with the toothed plates connected with the side surfaces of the side plates, the toothed plates are driven by the gears to move along with the side plates, the side plates at the two sides of the shell frame are separated from the shell frame, and simultaneously, the six worm gears are symmetrically arranged on the two rotating along with the back plates, the six worm gears are respectively meshed with the six worm gears correspondingly, the six worm gears are driven by the two lifting worms to move with the top plate, the top plate and the shell frame under the drive, the top plate is separated from the shell frame, and the four side surfaces and the top plate is in a main frame is in a structure with the structure, and the temperature of the top plate is in which the air can be greatly cooled with the heat exchange and the inner cavity of the shell and has a cooling effect that the temperature and can be cooled.
2. The water cooling base is arranged in the invention, when the outside temperature is higher as well, and the ambient working temperature of the main body of the frequency converter cannot be reduced, at the moment, the temperature sensor monitors the temperature rising again and exceeds a dangerous set value, the temperature signal is fed back to the main control panel, the main control panel controls the circulating water pump and the heat exchanger to work, the circulating water pump arranged in the inner cavity of the bottom of the shell frame is arranged on the outer side of the side plate through the telescopic water pipe, the water inlet joint and the circulating water pipe pump are used for feeding the cooling water in the cooling water tank into the water cooling base, the side surface of the inner side of the water cooling base is provided with the heat conducting copper plate, the heat generated during the working of the main body of the frequency converter can be accelerated to exchange heat with the cooling water in the inner cavity of the water cooling base, the cooling water subjected to heat exchange and temperature reduction is fed back to the cooling water in the cooling water tank through the circulating water pipe again, and the circulating water joint and the telescopic water pipe are circulated back to the cooling water tank again, so that the working temperature of the main body of the frequency converter can be reduced, the phenomenon of exceeding the working temperature of the main body of the frequency converter can not occur, and the heat loss phenomenon of the main body of the frequency converter is arranged on the outer side plate of the side plate, the main body of the frequency converter is not occupied by the main body of the frequency converter, the main body of the frequency converter is arranged on the side plate, the side plate of the frequency converter is further arranged, the cooling system is convenient, and the cooling system is further cooled, and the cooling effect is guaranteed.
3. The invention is provided with the movable frame, the upper end and the lower end of the movable frame are symmetrically provided with the first sliding blocks, the upper end and the lower end of the inner side of the casing frame are symmetrically provided with the first sliding grooves, the movable frame can be arranged in the casing frame by clamping the first sliding blocks in the first sliding grooves, the dust filtering net arranged on the top and the side surface of the movable frame can surround the main body of the frequency converter, dust contained in the outside air can be filtered even when the side plates and the top plate are in an open state, the dust is prevented from accumulating on the main body of the frequency converter to affect the normal operation of the main body of the frequency converter, when the dust filtering net works for a long time, the back plate arranged on the back surface of the casing frame is opened only by a handle, the dust filtering net can be replaced or cleaned by pulling the movable frame out of the inner cavity of the casing frame, and a tool is not needed in the operation process, so that the cleaning and replacement efficiency of the dust filtering net is improved greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an appearance structure of a frequency converter with a cooling function according to an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of a frequency converter with a cooling function according to an embodiment of the present invention;
FIG. 3 is a top cross-sectional view of a frequency converter with a cooling function according to an embodiment of the invention;
FIG. 4 is an enlarged view at A of FIG. 2 according to an embodiment of the invention;
FIG. 5 is an enlarged view at B of FIG. 2 according to an embodiment of the invention;
FIG. 6 is a perspective view of a chassis frame according to an embodiment of the present invention;
fig. 7 is a perspective view of a moving frame according to an embodiment of the present invention.
Legend description:
1. a housing frame; 2. a main control panel; 3. a top plate; 4. a side plate; 5. a heat exchanger; 6. a cooling water tank; 7. a telescopic water pipe; 8. a circulating water pipe; 9. a circulating water pump; 10. a water-cooling base; 11. a thermally conductive copper plate; 12. a frequency converter main body; 13. a temperature sensor; 14. a moving frame; 15. a dust filtering net; 16. a back plate; 17. a heat radiation fan; 18. a handle; 19. a motor housing; 20. a servo motor; 21. a rotating shaft; 22. a worm wheel; 23. lifting the worm; 24. a gear; 25. a toothed plate; 26. a first blind hole; 27. a first chute; 28. a first slider; 29. a second chute; 30. a second slider; 31. a second blind hole; 32. a connecting rod; 33. a limit sliding block; 34. limiting sliding grooves; 35. lifting holes; 36. a water inlet joint; 37. and a backwater joint.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art:
referring to fig. 1-7, embodiment one, a frequency converter with cooling function comprises a casing frame 1, motor casing 19 is symmetrically installed at both ends of the top of the back of casing frame 1, servo motor 20 is arranged in motor casing 19, and the output end of servo motor 20 is connected with a rotation shaft 21, two first blind holes 26 are symmetrically provided at the top of the two sides of casing frame 1, three lifting holes 35 are symmetrically provided at the two sides of the top of casing frame 1, gear 24 is correspondingly installed at the position of first blind hole 26 on rotation shaft 21, the bottom end of gear 24 is meshed with toothed plate 25, one end of toothed plate 25 is fixedly connected with side plate 4, worm wheel 22 is correspondingly installed at the position of one side of lifting hole 35, lifting worm 23 is meshed at the side surface of worm wheel 22, and the top end of lifting worm 23 is installed at the bottom surface of top plate 3, so that the exchange rate of the inner cavity of casing frame 1 and the outside air can be greatly improved, the cooling effect of cooling frequency converter with cooling function can be greatly improved.
In the second embodiment, the two side plates 4 are symmetrically installed with the connecting rod 32 near the bottom end of one side surface of the toothed plate 25, the top end of the connecting rod 32 is connected with the limiting slide block 33, the two second blind holes 31 are symmetrically formed in the bottom ends of two side surfaces of the casing frame 1, the top surfaces and the bottom surfaces of the two second blind holes 31 are symmetrically provided with the limiting slide grooves 34, and the limiting slide grooves 34 are internally embedded with the limiting slide block 33, so that the effect of limiting the unfolding positions of the two side plates 4 is achieved, and the stability of the two side plates 4 during unfolding is improved.
In the third embodiment, the heat exchanger 5 and the cooling water tank 6 are sequentially installed on the side surface of one side of the two side plates 4 far away from the toothed plate 25, the water cooling base 10 is installed at the center of the top surface of the bottom plate of the casing frame 1, the heat conducting copper plate 11 is installed on the inner side of the water cooling base 10, the frequency converter main body 12 is installed on the inner side of the heat conducting copper plate 11, the circulating water pump 9 is installed in the inner cavity of the bottom plate of the casing frame 1, the water inlet connectors 36 and 37 are respectively installed on the side surfaces of the two sides of the bottom plate of the casing frame 1, the water inlet connectors 36, the circulating water pump 9, the water cooling base 10 and 37 and the heat exchanger 5 and the cold water tank are communicated through the circulating water pipe 8, the cooling water tank 6 and the water inlet connectors 36 and the heat exchanger 5 and the backwater connector 37 are all communicated through the telescopic water pipe 7, the normal operation of the frequency converter main body 12 is guaranteed, the phenomenon of no overheat damage occurs, and the circulating water pump 9 is installed on the outer side of the casing frame 1 bottom plate inner cavity, so that the main parts of the additionally installed water cooling system do not occupy the space of the frequency converter main body 12 in the casing frame 1, the cooling system is convenient for maintaining the heat exchanger 5 and the heat exchanger 6, the cooling effect of the cooling system is further cooled, and the cooling effect of the cooling system is further cooled by the cooling effect of the cooling system is improved.
In the fourth embodiment, the back of the casing frame 1 is connected with the back plate 16 through a hinge, a plurality of cooling fans 17 are uniformly installed on the back plate 16, and a handle 18 is installed on one side of the side surface of the back plate 16, so that the effect of cooling heat generated by the frequency converter main body 12 during normal operation is achieved, the frequency converter main body is convenient to open, the movable frame 14 and the dust filtering net 15 are convenient to replace, and the frequency converter main body 12 is also convenient for workers to repair and maintain.
In the fifth embodiment, two groups of first sliding grooves 27 are symmetrically formed in the top end and the bottom end of the inner side of the casing frame 1, two groups of first sliding blocks 28 are correspondingly clamped and embedded in the two groups of first sliding grooves 27, a movable frame 14 is fixedly connected between the two groups of first sliding blocks 28, the dust filtering net 15 is installed on the side surfaces and the top surface of the three sides of the movable frame 14, the movable frame 14 can be pulled out of the inner cavity of the casing frame 1 conveniently, the dust filtering net 15 can be replaced or cleaned, tools are not needed in the operation process, and the cleaning and replacement efficiency of the dust filtering net 15 is improved simply, conveniently, rapidly and efficiently.
In the sixth embodiment, the second slider 30 is mounted on the bottom surface of the toothed plate 25, the second sliding groove 29 is formed on the bottom surface of the first blind hole 26, and the second slider 30 is embedded in the second sliding groove 29, so as to improve the stability of the two side plates 4 when being unfolded.
In the seventh embodiment, the main control panel 2 is installed on the front surface of the casing frame 1, the temperature sensor 13 is installed on the side surface of the frequency converter main body 12, the main control panel 2 is electrically connected with the frequency converter main body 12, the temperature sensor 13, the servo motor 20, the heat exchanger 5, the circulating water pump 9 and the cooling fan 17, and the corresponding self-carrying cooling mechanism is started under different working temperatures by the automatic control device.
In the eighth embodiment, the four side surfaces and one top surface of the casing frame 1 are hollow structures.
In the ninth embodiment, the area of the top plate 3 is larger than that of the bottom plate of the casing frame 1, so that a protection device is provided to a certain extent, and rainwater and impurities are prevented from falling into the inner cavity of the casing frame 1.
In the tenth embodiment, the casing frame 1, the side plates 4, the top plate 3 and the top plate 3 are all made of aluminum magnesium alloy materials.
Working principle: in the invention, the shell frame 1 is arranged, the top plate 3 and the side plates 4 arranged at the top and at two sides of the shell frame 1 are in a closed state during normal operation, the inner cavity of the shell frame 1 is in a relatively closed state, at the moment, the heat generated by the frequency converter main body 12 arranged in the inner cavity of the shell frame 1 is radiated by the radiating fan 17 arranged on the back plate 16 at the back of the shell frame 1, when the temperature in the shell frame 1 exceeds a set value due to excessive heat radiated by the frequency converter main body 12 during operation, the temperature sensor 13 arranged at one side of the frequency converter main body 12 feeds back a temperature signal to the main control panel 2, the main control panel 2 controls the servo motor 20 in the motor shell 19 to start, the servo motor 20 drives the rotating shaft 21 to rotate, when the rotating shaft 21 rotates, the gears 24 arranged at two ends of the rotating shaft 21 rotate along with the rotating shaft, the gears 24 are meshed with the toothed plate 25 connected with the side surfaces of the side plates 4, the toothed plate 25 pushes the side plates 4 to move under the drive of the gears 24, so that the side plates 4 at two sides are separated from the casing frame 1, simultaneously, six worm gears 22 symmetrically arranged on two rotating shafts 21 rotate along with the side plates, the six worm gears 22 are respectively correspondingly meshed with six lifting worms 23 connected with two sides of the bottom surface of the top plate 3, the lifting worms 23 push the top plate 3 to move under the drive of the worm gears 22, so that the top plate 3 is separated from the casing frame 1, and because the four side surfaces and the top of the casing frame 1 are of an open structure, the exchange rate of the inner cavity of the casing frame 1 and the outside air is greatly improved, the air cooling effect can be greatly improved by matching with a cooling fan 17 arranged on the back plate 16, the frequency converter main body 12 is favorably kept in a normal working temperature range, when the working temperature around the frequency converter main body 12 cannot be reduced due to air cooling, at the moment, when the temperature sensor 13 monitors the temperature rising again and exceeds a dangerous set value, a temperature signal is fed back to the main control panel 2, the main control panel 2 controls the circulating water pump 9 and the heat exchanger 5 to work, the circulating water pump 9 arranged in the inner cavity of the bottom of the shell frame 1 pumps cooling water in the cooling water tank 6 into the water cooling base 10 through the telescopic water pipe 7, the water inlet joint 36 and the circulating water pipe 8 are provided with the heat conducting copper plate 11 on the inner side surface of the water cooling base 10, heat generated during the working of the frequency converter main body 12 can be accelerated to exchange heat with the cooling water in the inner cavity of the water cooling base 10, the cooling water heated by heat exchange enters the heat exchanger 5 through the circulating water pipe 8, the backwater joint 37 and the telescopic water pipe 7 to exchange heat and cool down, the cooling water after cooling down again returns into the cooling water tank 6 through the circulating water pipe 8, the circulating is so repeated that the function of reducing the working temperature of the frequency converter main body 12 is achieved, the frequency converter main body 12 can work normally, the phenomenon of overheat damage can not occur, as the cooling water tank 6 and the heat exchanger 5 are arranged on the outer side of the side plate 4, the circulating water pump 9 is arranged in the bottom plate cavity of the casing frame 1, the main parts of the added water cooling system can not occupy the space for installing the frequency converter main body 12 in the casing frame 1, the heat exchanger 5 and the cooling water tank 6 are convenient for workers to maintain and repair, the cooling effect of the water cooling system is ensured, the cooling effect of the frequency converter with the cooling function is further improved, in addition, the invention is provided with the moving frame 14, the upper end and the lower end of the moving frame 14 are symmetrically provided with the first sliding blocks 28, the upper end and the lower end of the inner side of the casing frame 1 are symmetrically provided with the first sliding grooves 27, through inlay the first slider 28 card in first spout 27 can install the movable frame 14 in casing frame 1, the dust filter net 15 of top and side mounting on the movable frame 14 can surround the converter main part 12 this moment, even when curb plate 4 and roof 3 are in the open state, dust that also can contain in the outside air filters, prevent that dust from accumulating on the converter main part 12 and influence the normal work of converter main part 12, after the dust filter net 15 works for a long time, when needs to change or wash the dust filter net 15, only need open the backplate 16 of installing at the casing frame 1 back this moment through handle 18, will remove the movable frame 14 and can change or wash the dust filter net 15 from casing frame 1 inner chamber, need not with the help of the instrument in the operation process, it is simple and convenient, swift high-efficient, very big improvement the cleaning change efficiency of dust filter net 15.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a from converter of taking cooling function, includes casing frame (1), its characterized in that, motor casing (19) are installed to casing frame (1) back top both ends symmetry, and motor casing (19) are built-in to have servo motor (20) to servo motor (20) output is connected with axis of rotation (21), two first blind holes (26) have been seted up to casing frame (1) both sides side top symmetry, casing frame (1) top surface bilateral symmetry has seted up three lifting hole (35), axis of rotation (21) are located first blind hole (26) position and correspond and install gear (24), and gear (24) bottom and pinion rack (25) are engaged with to pinion rack (25) one end fixedly connected with curb plate (4), axis of rotation (21) are located lifting hole (35) one side position and correspond and install worm wheel (22), and worm wheel (22) side engagement has lifting worm (23), and lifting worm (23) top is installed in roof (3) bottom surface; the area of the top plate (3) is larger than that of the bottom plate of the shell frame (1).
2. The frequency converter with the cooling function according to claim 1, wherein two side plates (4) are symmetrically arranged at the bottom end of one side surface close to the toothed plate (25), a connecting rod (32) is connected with a limit sliding block (33) at the top end, two second blind holes (31) are symmetrically arranged at the bottom ends of two side surfaces of the casing frame (1), limit sliding grooves (34) are symmetrically arranged at the top surface and the bottom surface of the two second blind holes (31), and the limit sliding blocks (33) are embedded in the limit sliding grooves (34).
3. The frequency converter with cooling function according to claim 1, wherein two side plates (4) are far away from a side surface of a toothed plate (25) and are sequentially provided with a heat exchanger (5) and a cooling water tank (6), a water cooling base (10) is arranged at the center of the top surface of a bottom plate of the shell frame (1), a heat conducting copper plate (11) is arranged at the inner side of the water cooling base (10), a frequency converter main body (12) is arranged at the inner side of the heat conducting copper plate (11), a circulating water pump (9) is arranged in a bottom plate cavity of the shell frame (1), a group of water inlet connectors (36) and water return connectors (37) are respectively arranged at two side surfaces of the bottom plate of the shell frame (1), the water inlet connectors (36), the circulating water pump (9), the water cooling base (10) and the water return connectors (37) are communicated with the heat exchanger (5) and the water tank through a circulating water pipe (8), and the cooling water tank (6) and the water inlet connectors (36) and the heat exchanger (5) and the water return connectors (37) are communicated through a telescopic water pipe (7).
4. The frequency converter with the cooling function according to claim 1, wherein the back of the casing frame (1) is connected with a back plate (16) through a hinge, a plurality of cooling fans (17) are uniformly arranged on the back plate (16), and a handle (18) is arranged on one side of the side face of the back plate (16).
5. The frequency converter with the cooling function according to claim 1, wherein two groups of first sliding grooves (27) are symmetrically formed in the top end and the bottom end of the inner side of the casing frame (1), two groups of first sliding blocks (28) are correspondingly embedded in the two groups of first sliding grooves (27), a movable frame (14) is fixedly connected between the two groups of first sliding blocks (28), and dust filtering nets (15) are arranged on the three side surfaces and the top surface of the movable frame (14).
6. The frequency converter with the cooling function according to claim 1, wherein a second sliding block (30) is installed on the bottom surface of the toothed plate (25), a second sliding groove (29) is formed in the bottom surface of the first blind hole (26), and the second sliding groove (29) is internally embedded with the second sliding block (30).
7. The frequency converter with the cooling function according to claim 1, wherein the main control panel (2) is installed on the front surface of the casing frame (1), the temperature sensor (13) is installed on the side surface of the frequency converter main body (12), and the main control panel (2) is electrically connected with the frequency converter main body (12), the temperature sensor (13), the servo motor (20), the heat exchanger (5), the circulating water pump (9) and the cooling fan (17).
8. The frequency converter with the cooling function according to claim 1, wherein four side surfaces and one top surface of the casing frame (1) are hollow structures.
9. The frequency converter with the cooling function according to claim 1, wherein the shell frame (1), the side plates (4), the top plate (3) and the top plate (3) are made of aluminum magnesium alloy materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110498887.1A CN113329591B (en) | 2021-05-08 | 2021-05-08 | From converter of taking cooling function |
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| CN202110498887.1A CN113329591B (en) | 2021-05-08 | 2021-05-08 | From converter of taking cooling function |
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| CN113329591B true CN113329591B (en) | 2023-05-05 |
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| CN114243494B (en) * | 2021-12-24 | 2024-03-08 | 江西三龙电气有限公司 | Power distribution cabinet with separable cabinet body plates and convenient to maintain and install |
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