CN113329591A - Frequency converter with cooling function - Google Patents
Frequency converter with cooling function Download PDFInfo
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- CN113329591A CN113329591A CN202110498887.1A CN202110498887A CN113329591A CN 113329591 A CN113329591 A CN 113329591A CN 202110498887 A CN202110498887 A CN 202110498887A CN 113329591 A CN113329591 A CN 113329591A
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- frequency converter
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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
-
- 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 machine shell frame, wherein motor shells are symmetrically arranged on the machine shell frame, a servo motor is arranged in each motor shell, 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 machine shell frame, three lifting holes are symmetrically formed in the two sides of the top surface of the machine shell frame, gears are correspondingly arranged at the positions of the first blind holes of the rotating shaft, the bottom ends of the gears are meshed with toothed plates, one ends of the toothed plates are fixedly connected with side plates, worm wheels are arranged on the rotating shaft, lifting worms are meshed with the side surfaces of the worm wheels, and the top ends of the lifting worms are arranged on the bottom surface of a top plate. Has the advantages that: the invention can automatically open the side plates and the top plate when the working temperature of the frequency converter main body exceeds a set value, so as to accelerate the air exchange efficiency, thereby greatly improving the air cooling, temperature reducing and cooling effects, and the invention is additionally provided with the water cooling system, so that the frequency converter has the advantages of water cooling, temperature reducing and cooling, no occupation of the space of the inner cavity of the shell and convenient maintenance.
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 applies frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the working power supply frequency mode of the motor, the frequency converter adjusts the voltage and the 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, the power element and other parts in the frequency converter can generate more heat during working, the normal working temperature of the frequency converter is generally between minus ten and fifty ℃, once the normal working temperature exceeds the range, the normal working of the frequency converter can be seriously influenced, even the frequency converter is damaged, most of the existing frequency converters simply rely on a cooling fan to draw outside cold air into the inner cavity of the shell for air cooling and heat dissipation, but the inner cavity of the shell is relatively closed, the air cooling and heat dissipation effect is extremely limited, the heat is easily and quickly accumulated in the inner cavity of the shell, so that the temperature in the shell is quickly raised, and the space of the inner cavity of the shell of the frequency converter is limited, if a water cooling system is additionally arranged in the inner cavity of the shell, the space of the inner cavity of the shell is larger, the maintenance of main parts of the water cooling system by workers is inconvenient, and the continuous use of the water cooling system can consume larger electric energy, in addition, in order to ensure that external dust is not accumulated on the frequency converter main body, the dust filter net is additionally arranged at the heat dissipation holes and the heat dissipation fan of the casing, but the dust filter net needs to be cleaned and replaced after being used for a long time, most of the dust filter nets of the existing frequency converter are installed through screws, the disassembly and installation are complex, and the cleaning and replacement efficiency of the dust filter net is reduced.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a frequency converter with a cooling function, which has the advantages that the side plates and the top plate are automatically opened when the temperature exceeds a set value, the air exchange efficiency is accelerated, the air cooling and cooling effect is greatly improved, a water cooling system is additionally arranged, the space of an inner cavity of a shell is not occupied, the maintenance is convenient, the cooling and cooling effect of the frequency converter during working is further improved, and a dust filter screen can be quickly disassembled and replaced without tools.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a from converter of taking cooling function, includes casing frame, casing frame back top both ends symmetry installs the motor casing, 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 lift 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 mutually to pinion rack one end fixedly connected with curb plate, the axis of rotation is located lift hole one side position and corresponds and install the worm wheel, and the meshing of worm wheel side has the lift worm to install in the roof bottom surface on the lift worm top.
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 spouts have been seted up to second blind hole top surface and bottom surface symmetry to spacing spout is embedded to the spacing slider.
As a further description of the above technical solution:
two pinion rack one side is kept away from to the curb plate and heat exchanger and coolant tank are installed in proper order, casing frame bottom plate top surface central authorities install the water-cooling base, and water-cooling base inboard installs the heat conduction copper to the converter main part is installed to heat conduction copper inboard, casing frame bottom plate inner chamber installs circulating water pump, casing frame bottom plate both sides side respectively installs a set of water supply connector and return water and connects, water supply connector, circulating water pump, water-cooling base and return water connect and all communicate through circulating water pipe between heat exchanger and the cold water tank, all communicate through expansion pipe between coolant tank and the water supply connector and between heat exchanger and the return water connect.
As a further description of the above technical solution:
the back of the machine shell frame is connected with a back plate through a hinge, a plurality of radiating fans are evenly 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 sets of first spouts have been seted up to the inboard top of casing frame and bottom symmetry, and two sets of it has two sets of first sliders to correspond the inlay card in the first spout, and two sets of fixedly connected with removes the frame between the first slider, remove three side surfaces of frame and top surface and all install the dust screen.
As a further description of the above technical solution:
the second slider is installed to the pinion rack bottom surface, the second spout has been seted up to first blind hole bottom surface, and the second spout is embedded to the card has the second slider.
As a further description of the above technical solution:
the casing frame openly installs the master control panel, frequency converter main part side-mounting has temperature sensor, master control panel and frequency converter main part, temperature sensor, servo motor, heat exchanger, circulating water pump, radiator fan electric connection.
As a further description of the above technical solution:
four side surfaces and one top surface of the machine shell frame are of hollow structures.
As a further description of the above technical solution:
the area of the top plate is larger than that of the bottom plate of the machine shell frame.
As a further description of the above technical solution:
the machine 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 a shell frame, when the device normally works, a top plate and side plates which are arranged at the top and two sides of the shell frame are in a closed state, an inner cavity of the shell frame is in a relatively closed state, heat generated by a frequency converter main body arranged in the inner cavity of the shell frame is radiated by a radiating fan arranged on a 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 when the frequency converter main body works, a temperature sensor arranged at one side of the frequency converter main body feeds back a temperature signal to a main control panel, the main control panel controls a servo motor in the motor shell to start, the servo motor drives a rotating shaft to rotate, when the rotating shaft rotates, gears arranged at two ends of the rotating shaft rotate along with the rotating shaft, the gears are meshed with toothed plates which are connected with the side surfaces of the side plates, and the toothed plates are driven by the gears to push the side plates to move so that the side plates at two sides are separated from the shell frame, six worm wheels symmetrically arranged on the two rotating shafts rotate along with the two rotating shafts, the six worm wheels are correspondingly meshed with six lifting worms connected to two sides of the bottom surface of the top plate respectively, the lifting worms drive the top plate to move under the driving of the worm wheels, so that the top plate is separated from the shell frame, and the four side surfaces and the top of the shell frame are all of an open structure, so that the exchange rate of the inner cavity of the shell frame and the outside air is greatly improved.
2. The invention is provided with a water-cooling base, when the external temperature is the same high, and the working temperature around the frequency converter main body can not be reduced due to air cooling, and when the temperature sensor monitors the temperature rise again and exceeds a dangerous set value, the temperature signal is fed back to a main control panel, the main control panel controls a circulating water pump and a heat exchanger to work, the circulating water pump arranged in the inner cavity of the bottom of a machine shell frame pumps cooling water in a cooling water tank into the water-cooling base through a telescopic water pipe, a water inlet joint and the circulating water pipe, the heat conducting copper plate is arranged on the side surface of the inner side of the water-cooling base, the heat generated when the frequency converter main body works can be accelerated to exchange heat with the cooling water in the inner cavity of the water-cooling base, the cooling water heated by heat exchange enters the heat exchanger through the circulating water pipe, a water return joint and the telescopic water pipe to carry out heat exchange and cooling, and the cooling water cooled again returns to the cooling water tank through the circulating water pipe, the circulation is reciprocal so, thereby reach the effect that reduces converter main part operating temperature, guarantee converter main part can normally work, the phenomenon of overheated damage can not appear, because coolant tank and heat exchanger are installed in the curb plate outside, circulating water pump installs at chassis frame bottom plate inner chamber, so the main part of the water cooling system who installs additional can not occupy the space of the inside installation converter main part of chassis frame, and made things convenient for workman to maintain heat exchanger and coolant tank, water cooling system's cooling effect has been ensured, thereby a cooling effect from the converter of taking cooling function has further been improved.
3. The invention is provided with a movable frame, the upper end and the lower end of the movable frame are symmetrically provided with first sliding blocks, the upper end and the lower end of the inner side of a machine shell frame are symmetrically provided with first sliding grooves, the movable frame can be arranged in the machine shell frame by clamping and embedding the first sliding blocks in the first sliding grooves, at the moment, dust filtering nets arranged at the top and the side surfaces of the movable frame can surround a frequency converter main body, even when a side plate and a top plate are in an opening state, dust contained in outside air can be filtered, the dust is prevented from accumulating on the frequency converter main body and influencing the normal work of the frequency converter main body, when the dust filtering nets work for a long time, the dust filtering nets need to be replaced or cleaned, at the moment, a back plate arranged at the back surface of the machine shell frame is opened by a handle, the movable frame is pulled out from the inner cavity of the machine shell frame, tools are not needed in the operation process, and the operation is simple and convenient, the cleaning and replacing efficiency of the dust filter screen is improved rapidly and efficiently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an appearance 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 present invention;
FIG. 4 is an enlarged view at A of FIG. 2 according to an embodiment of the present invention;
FIG. 5 is an enlarged view at B of FIG. 2 according to an embodiment of the present invention;
FIG. 6 is a perspective view of a chassis frame according to an embodiment of the invention;
fig. 7 is a perspective view of a moving frame according to an embodiment of the present invention.
Illustration of the drawings:
1. a chassis 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 water circulating pump; 10. a water-cooled base; 11. a heat-conducting copper plate; 12. a frequency converter main body; 13. a temperature sensor; 14. moving the frame; 15. a dust filter screen; 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 gear; 23. a lifting 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 limiting slide block; 34. a limiting chute; 35. a lifting hole; 36. a water inlet joint; 37. a water return joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, 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 expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases by those of ordinary skill in the art:
referring to fig. 1-7, in a first embodiment, a frequency converter with a cooling function includes a housing frame 1, motor housings 19 are symmetrically installed at two ends of the top of the back of the housing frame 1, a servo motor 20 is installed in each motor housing 19, an output end of the servo motor 20 is connected with a rotating shaft 21, two first blind holes 26 are symmetrically installed at the tops of two side surfaces of the housing frame 1, three lifting holes 35 are symmetrically installed at two sides of the top of the housing frame 1, gears 24 are correspondingly installed at positions of the rotating shafts 21 located in the first blind holes 26, bottom ends of the gears 24 are engaged with a toothed plate 25, a side plate 4 is fixedly connected to one end of the toothed plate 25, worm gears 22 are correspondingly installed at positions of one sides of the lifting holes 35 of the rotating shafts 21, lifting worms 23 are engaged with the side surfaces of the worm gears 22, and top ends of the lifting worms 23 are installed on the bottom surface of a top plate 3, so as to greatly increase an exchange rate between an inner cavity of the housing frame 1 and outside air, the cooling effect of air cooling can be greatly improved, and the cooling effect of the frequency converter with the cooling function is improved.
Embodiment two, connecting rod 32 is installed near pinion rack 25 one side bottom symmetry to two curb plates 4, and connecting rod 32 top is connected with limiting slide block 33, two second blind holes 31 have been seted up to casing frame 1 both sides side bottom symmetry, and two second blind holes 31 top surfaces and bottom surface symmetry have seted up limiting slide 34, and limiting slide block 33 has been inlayed to the card in the limiting slide 34, played and carried out spacing effect to two curb plates 4 expansion position, and improved the stability when two curb plates 4 expand.
In the third embodiment, the side surfaces of the two side plates 4 far away from the toothed plate 25 are sequentially provided with the heat exchanger 5 and the cooling water tank 6, the center of the top surface of the bottom plate of the casing frame 1 is provided with the water-cooling base 10, the inner side of the water-cooling base 10 is provided with the heat-conducting copper plate 11, the inner side of the heat-conducting copper plate 11 is provided with the frequency converter main body 12, the inner cavity of the bottom plate of the casing frame 1 is provided with the circulating water pump 9, the side surfaces of the two sides of the bottom plate of the casing frame 1 are respectively provided with a group of water inlet connector 36 and a group of water return connector 37, the water inlet connector 36 and the circulating water pump 9 are communicated with each other through the circulating water pipe 8, the cooling water tank 6 is communicated with the water inlet connector 36 and the heat exchanger 5 is communicated with the water return connector 37 through the telescopic water pipes 7, so as to ensure that the frequency converter main body 12 can normally work and the phenomenon of overheat damage can not occur, and the cooling water tank 6 and the heat exchanger 5 are arranged outside the side plates 4, circulating water pump 9 installs at casing frame 1 bottom plate inner chamber, so the water cooling system's of installing additional essential element can not occupy casing frame 1 inside installation converter main part 12's space, and made things convenient for workman to maintain and maintain heat exchanger 5 and coolant tank 6, ensured water cooling system's cooling effect to a cooling effect from the converter of taking cooling function has further been improved.
Fourth, there is backplate 16 at the back of casing frame 1 through hinge connection, and evenly installs a plurality of radiator fan 17 on backplate 16 to 16 side one sides of backplate install handle 18, have played the heat radiating effect of the heat that converter main part 12 produced to the normal during operation, and be convenient for open, conveniently change and remove frame 14 and dust screen 15, also do benefit to workman's maintenance and maintenance converter main part 12.
The embodiment five, two sets of first spouts 27 have been seted up to the inboard top of casing frame 1 and bottom symmetry, and it has two sets of first sliders 28 to correspond the card in two sets of first spouts 27, and fixedly connected with removes frame 14 between two sets of first sliders 28, remove frame 14 three side sides side and top surface and all install dust filter screen 15, it can change or wash dust filter screen 15 to have played to be convenient for to pull out removal frame 14 from casing frame 1 inner chamber, need not with the help of the instrument in the operation process, and is simple and convenient, and is swift high-efficient, very big improvement dust filter screen 15's washing change efficiency.
Sixth embodiment, the second slider 30 is installed to the pinion rack 25 bottom surface, and second spout 29 has been seted up to first blind hole 26 bottom surface, and the embedded second slider 30 that has played the stability when improving two curb plates 4 and expand in the second spout 29.
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 automatic control device starts a corresponding mechanism with cooling function at different working temperatures.
In the eighth embodiment, the casing frame 1 has a hollow structure on four side surfaces and a top surface.
The ninth embodiment, the area of the top plate 3 is larger than the area of the bottom plate of the chassis 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 chassis 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.
The working principle is as follows: the invention is provided with a machine shell frame 1, when the machine shell frame works normally, a top plate 3 and a side plate 4 which are arranged at the top and two sides of the machine shell frame 1 are in a closed state, the inner cavity of the machine shell frame 1 is in a relatively closed state, at the moment, heat generated by a frequency converter main body 12 arranged in the inner cavity of the machine shell frame 1 is radiated by a radiating fan 17 arranged on a back plate 16 at the back of the machine shell frame 1, when the temperature in the machine shell frame 1 exceeds a set value due to excessive heat radiated when the frequency converter main body 12 works, a temperature signal is fed back to a main control panel 2 by a temperature sensor 13 arranged at one side of the frequency converter main body 12, the main control panel 2 controls a servo motor 20 in a motor shell 19 to be started, the servo motor 20 drives a rotating shaft 21 to rotate, when the rotating shaft 21 rotates, gears 24 arranged at two ends of the rotating shaft 21 rotate along with the rotating shaft, the gears 24 are meshed with toothed plates 25 connected with the side surfaces of the side plates 4, the toothed plate 25 pushes the side plates 4 to move under the driving of the gear 24, so that the side plates 4 on both sides are separated from the casing frame 1, and the six worm gears 22 symmetrically installed on the two rotating shafts 21 rotate along with the six worm gears 22, and the six worm gears 22 are respectively correspondingly engaged with the six lifting worms 23 connected with both sides of the bottom surface of the top plate 3, so that the lifting worms 23 push the top plate 3 to move under the driving of the worm gears 22, so that the top plate 3 is separated from the casing frame 1, because the four side surfaces and the top of the casing frame 1 are all open structures, 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 the heat dissipation fan 17 installed on the back plate 16, the temperature range of the normal operation of the frequency converter main body 12 is favorably kept within the temperature range of the normal operation, and the water cooling base 10 is arranged in the invention, when the outside temperature is the same high, and the working temperature around the frequency converter main body 12 cannot be reduced by air cooling, when the temperature sensor 13 monitors that the temperature rises 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 machine 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 connector 36 and the circulating water pipe 8, the heat conducting copper plate 11 is arranged on the inner side surface of the water cooling base 10 and can accelerate heat generated when the frequency converter main body 12 works to exchange heat with the cooling water in the inner cavity of the water cooling base 10, the cooling water subjected to heat exchange and temperature rise enters the heat exchanger 5 through the circulating water pipe 8, the cooling water subjected to heat exchange enters the cooling water tank 6 again through the water circulating pipe 8 and is circulated and reciprocated in such a way, so as to achieve the effect of reducing the working temperature of the frequency converter main body 12, the normal work of the frequency converter main body 12 is ensured, the phenomenon of overheat damage is avoided, as the cooling water tank 6 and the heat exchanger 5 are arranged outside the side plate 4, and the circulating water pump 9 is arranged in the inner cavity of the bottom plate of the machine shell frame 1, the main parts of the additionally arranged water cooling system can not occupy the space for installing the frequency converter main body 12 in the machine shell frame 1, and the maintenance and the repair of the heat exchanger 5 and the cooling water tank 6 are convenient for workers, the cooling effect of the water cooling system is ensured, thereby further improving the cooling effect of the frequency converter with the cooling function, in addition, the invention is provided with the movable frame 14, the upper end and the lower end of the movable frame 14 are symmetrically provided with the first slide blocks 28, the upper end and the lower end of the inner side of the machine shell frame 1 are symmetrically provided with the first slide grooves 27, the movable frame 14 can be installed in the machine shell frame 1 by clamping and embedding the first slide blocks 28 in the first slide grooves 27, remove frame 14 top and side-mounting's dust screen 15 this moment and can surround converter main part 12, even when curb plate 4 and roof 3 are in the open mode, also can filter the dust that contains in the outside air, prevent that the dust from accumulating the normal work that influences converter main part 12 on converter main part 12, after dust screen 15 works for a long time, need change or when wasing dust screen 15, only need open backplate 16 of installing at the casing frame 1 back through handle 18 this moment, it can change or wash dust screen 15 to pull out moving frame 14 from casing frame 1 inner chamber, need not with the help of the instrument in the operation process, and is simple and convenient, and is fast and efficient, very big improvement the washing change efficiency of dust screen 15.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
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) embeds there is 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, three lift hole (35) have been seted up to casing frame (1) top surface bilateral symmetry, axis of rotation (21) are located first blind hole (26) position and correspond and install gear (24), and gear (24) bottom meshes with pinion rack (25) mutually, and pinion rack (25) one end fixedly connected with curb plate (4), axis of rotation (21) are located lift hole (35) one side position and correspond and install worm wheel (22), and worm wheel (22) side meshing has lift worm (23), and the top end of the lifting worm (23) is arranged on the bottom surface of the top plate (3).
2. The frequency converter with the cooling function according to claim 1, wherein two side plates (4) are symmetrically provided with connecting rods (32) at the bottom ends of one side surfaces close to the toothed plate (25), the top ends of the connecting rods (32) are connected with limiting sliding blocks (33), two second blind holes (31) are symmetrically formed at the bottom ends of two side surfaces of the casing frame (1), two limiting sliding grooves (34) are symmetrically formed in the top surfaces and the bottom surfaces of the second blind holes (31), and the limiting sliding blocks (33) are embedded in the limiting sliding grooves (34) in a clamping manner.
3. The frequency converter with the cooling function according to claim 1, wherein a heat exchanger (5) and a cooling water tank (6) are sequentially installed on one side surface of two side plates (4) far away from a toothed plate (25), a water-cooling base (10) is installed in the center of the top surface of the bottom plate of the case frame (1), a heat-conducting copper plate (11) is installed on the inner side of the water-cooling base (10), a frequency converter main body (12) is installed on the inner side of the heat-conducting copper plate (11), a circulating water pump (9) is installed in the inner cavity of the bottom plate of the case frame (1), a set of water inlet joint (36) and a set of water return joint (37) are respectively installed on the two side surfaces of the bottom plate of the case frame (1), the water inlet joint (36), the circulating water pump (9), the water-cooling base (10) and the water return joint (37) are communicated with the heat exchanger (5) and the water tank through a circulating water pipe (8), and the cooling water tank (6) is communicated with the water inlet joint (36) and the heat exchanger (5) is communicated with the water return joint (37) through the telescopic water pipe (7).
4. The frequency converter with the cooling function according to claim 1, wherein a back plate (16) is connected to the back surface of the machine shell frame (1) 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).
5. The frequency converter with the cooling function according to claim 1, wherein two sets 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 sets of first sliding blocks (28) are correspondingly embedded in the two sets of first sliding grooves (27), a moving frame (14) is fixedly connected between the two sets of first sliding blocks (28), and dust filtering nets (15) are mounted on three side surfaces and the top surface of the moving frame (14).
6. The frequency converter with the cooling function according to claim 1, wherein a second sliding block (30) is mounted 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 block (30) is embedded in the second sliding groove (29).
7. The frequency converter with the cooling function according to claim 1, wherein a main control panel (2) is installed on the front surface of the casing frame (1), a 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 cooling function according to claim 1, wherein four side surfaces and one top surface of the enclosure frame (1) are hollow.
9. The frequency converter with cooling function according to claim 1, wherein the area of the top plate (3) is larger than the area of the bottom plate of the enclosure frame (1).
10. The frequency converter with cooling function according to claim 1, wherein the enclosure frame (1), the side plates (4), the top plate (3) and the top plate (3) are made of aluminum magnesium alloy.
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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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| 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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| CN113329591B CN113329591B (en) | 2023-05-05 |
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Cited By (1)
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| CN114243494A (en) * | 2021-12-24 | 2022-03-25 | 江西三龙电气有限公司 | Cabinet body board detachable be convenient for maintenance and switch board of installation |
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| CN113329591B (en) | 2023-05-05 |
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