CN111818775A - Converter water-cooling radiator - Google Patents

Converter water-cooling radiator Download PDF

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Publication number
CN111818775A
CN111818775A CN202010781077.2A CN202010781077A CN111818775A CN 111818775 A CN111818775 A CN 111818775A CN 202010781077 A CN202010781077 A CN 202010781077A CN 111818775 A CN111818775 A CN 111818775A
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CN
China
Prior art keywords
water
tank
expansion tank
frequency converter
box
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010781077.2A
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Chinese (zh)
Inventor
马勇虎
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Yanbian University
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Yanbian University
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Filing date
Publication date
Application filed by Yanbian University filed Critical Yanbian University
Priority to CN202010781077.2A priority Critical patent/CN111818775A/en
Publication of CN111818775A publication Critical patent/CN111818775A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20263Heat dissipaters releasing heat from coolant

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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 water-cooled radiator for a frequency converter, which comprises a radiating box arranged on a radiating surface of a frequency converter A, wherein the water inlet end of the radiating box is connected with the water outlet end of an expansion tank through a water inlet pipe; a compression box is arranged on the right side of the expansion box, a lever is arranged above the compression box and the expansion box, the lower end of the lever is rotatably connected with the upper end of a fulcrum rod, and the lower end of the fulcrum rod is fixedly connected with the top of the expansion box; the invention designs the expansion tank by aiming at the defects of the existing device, and utilizes air cooling, compression refrigeration and water cooling to cool, thereby effectively improving the heat dissipation effect of the frequency converter A, greatly improving the heat dissipation effect and having strong practicability.

Description

Converter water-cooling radiator
Technical Field
The invention relates to the technical field of heat dissipation equipment, in particular to a water-cooled radiator of a frequency converter.
Background
A Variable-frequency Drive (VFD) is a power control device that applies frequency conversion technology and microelectronic technology to control an ac motor by changing the frequency of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
The existing water-cooling heat dissipation mode can only utilize the advantage of larger specific heat capacity of water to exchange heat, the heat exchange mode is single, the heat dissipation can not be combined with air cooling, the heat dissipation effect is poor, and aiming at the problems, the improved frequency converter water-cooling heat radiator is provided.
Disclosure of Invention
The invention aims to provide a water-cooled radiator of a frequency converter, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a water-cooled radiator for a frequency converter comprises a radiating box arranged on a radiating surface of a frequency converter A, wherein a water inlet end of the radiating box is connected with a water outlet end of an expansion tank through a water inlet pipe, the water outlet end of the radiating box is connected with a water return end of the expansion tank through a water outlet pipe, and the water inlet pipe and the water outlet pipe are both provided with one-way valves for preventing water from flowing backwards;
a compression box is arranged on the right side of the expansion box, a lever is arranged above the compression box and the expansion box, the lower end of the lever is rotatably connected with the upper end of a fulcrum rod, and the lower end of the fulcrum rod is fixedly connected with the top of the expansion box;
a second piston block is in sliding fit in the expansion tank, a first piston block is in sliding fit in the compression tank, a first piston rod is arranged at the upper end of the first piston block, and the upper end of the first piston rod is rotatably connected with a first sliding sleeve which is sleeved outside the lever in a sliding manner;
the upper end of the second piston block is provided with a second piston rod, and the upper end of the second piston rod is rotatably connected with a second sliding sleeve which is sleeved outside the lever in a sliding manner;
the left end of the lever is connected with a driving assembly for the end part of the lever to fluctuate up and down, and the lever continuously drives the two piston blocks to reciprocate up and down through the first piston rod and the second piston rod under the driving of the driving assembly;
the bottom is equipped with the tank in the expansion tank, the inlet end of tank downside on the right side passes through the exhaust end intercommunication of air supply pipe and compression box bottom, be equipped with check valve and pressure limiting valve on the air supply pipe, compression box downside on the right side is equipped with air intlet, and air intlet department is equipped with the check valve.
As a further scheme of the invention: an air supply pipe is arranged at the air exhaust end on the left side of the expansion tank, the left end of the air supply pipe extends into the bottom of the heat dissipation tank, an air exhaust nozzle is arranged at the air exhaust end of the air supply pipe, and an air exhaust port is arranged at the upper end of the heat dissipation tank.
As a further scheme of the invention: the compression box is made of metal materials with good heat conductivity, and a plurality of radiating fins are distributed on the outer side of the compression box in an array mode.
As a further scheme of the invention: and a rotating shaft is arranged in the expansion tank where the water storage tank is located, and blades are distributed on the outer side of the rotating shaft in an array manner.
As a further scheme of the invention: and a limit stop used for limiting the descending stroke of the second piston block is arranged in the expansion tank.
As a further scheme of the invention: the expansion tank and the compression tank are fixedly connected through a fixing rod.
As a further scheme of the invention: the driving assembly comprises a driving motor arranged at the upper end of the expansion tank, a rotating disc is arranged at the output end of the driving motor, a fixed rod is arranged at the eccentric position on the surface of the rotating disc, the fixed rod is rotatably connected with the lower end of the transmission rod, and the upper end of the transmission rod is rotatably connected with the left end of the lever.
As a further scheme of the invention: and the water outlet pipe is provided with a liquid pump for promoting liquid to enter the heat dissipation box.
Compared with the prior art, the invention has the beneficial effects that: the invention is designed aiming at the defects of the existing device, and utilizes air cooling, compression refrigeration and water cooling to dissipate heat and cool, thereby effectively improving the heat dissipation effect of the frequency converter A, greatly improving the heat dissipation effect and having strong practicability.
Drawings
FIG. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic structural view of the back side of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Wherein: the device comprises a frequency converter A, an air nozzle 2, a water inlet pipe 3, a one-way valve 4, a water outlet pipe 5, a rotating shaft 6, a water storage tank 7, blades 8, a limit stop 9, an air supply pipe 10, an expansion tank 11, a radiating fin 12, a first piston block 13, a compression tank 14, a first piston rod 15, a first sliding sleeve 16, a lever 17, a fulcrum rod 18, a second sliding sleeve 19, a second piston rod 21, a transmission rod 22, a rotating disc 23, a second piston block 24, an air supply pipe 25, an air outlet 26, a radiating tank 27 and a driving motor 231.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, in the embodiment of the present invention, a water-cooled radiator for a frequency converter includes a heat dissipation tank 27 disposed on a heat dissipation surface of a frequency converter a, a water inlet end of the heat dissipation tank 27 is connected to a water outlet end of an expansion tank 11 through a water inlet pipe 3, the water outlet end of the heat dissipation tank 27 is connected to a water return end of the expansion tank 11 through a water outlet pipe 5, and the water inlet pipe 3 and the water outlet pipe 5 are both provided with a check valve 4 for preventing water from flowing backwards;
a compression box 14 is arranged on the right side of the expansion box 11, a lever 17 is arranged above the compression box 14 and the expansion box 11, the lower end of the lever 17 is rotatably connected with the upper end of a fulcrum rod 18, and the lower end of the fulcrum rod 18 is fixedly connected with the top of the expansion box 11;
a second piston block 24 is in sliding fit in the expansion tank 11, a first piston block 13 is in sliding fit in the compression tank 14, a first piston rod 15 is arranged at the upper end of the first piston block 13, and the upper end of the first piston rod 15 is rotatably connected with a first sliding sleeve 16 which is sleeved outside the lever 17 in a sliding manner;
the upper end of the second piston block 24 is provided with a second piston rod 21, and the upper end of the second piston rod 21 is rotatably connected with a second sliding sleeve 19 which is sleeved outside the lever 17 in a sliding manner;
the left end of the lever 17 is connected with a driving component for the end part to fluctuate up and down, and the lever 17 continuously drives the two piston blocks to reciprocate up and down through the first piston rod 15 and the second piston rod 21 under the driving of the driving component;
a water storage tank 7 is arranged at the bottom in the expansion tank 11, an air inlet end on the lower right side of the water storage tank 7 is communicated with an air outlet end on the bottom of the compression tank 14 through an air supply pipe 10, a one-way valve and a pressure limiting valve are arranged on the air supply pipe 10, an air inlet is arranged on the lower right side of the compression tank 14, and the one-way valve is arranged at the air inlet;
under the action of the first piston rod 13, outside air can be sucked and then compressed, a large amount of heat can be released by the compressed air, the compression box 14 is made of a metal material with good heat conductivity, a plurality of radiating fins 12 are distributed on the outer side of the compression box 14 in an array mode, so that the heat in the compressed air can be quickly lost, the compressed air can enter the expansion box 11 along the air supply pipe 10, at the moment, the second piston block 24 in the expansion box 11 can move upwards, the expansion of the air entering the expansion box is further promoted, the expansion of the air can do work outwards, the temperature of the expansion box is further reduced, the temperature of the water inside the expansion box 11 is reduced, and the water-cooling radiating effect is improved;
a rotating shaft 6 is arranged in an expansion tank 11 where the water storage tank 7 is located, blades 8 are distributed on the outer side of the rotating shaft 6 in an array mode, and after compressed air enters the expansion tank 11, the blades 8 can rotate along with the rotating shaft 6, so that the air and water in expansion are further promoted to be fully mixed, and the heat exchange effect is improved;
a limit stop 9 for limiting the descending stroke of the second piston block 24 is arranged in the expansion tank 11;
the expansion tank 11 and the compression tank 14 are fixedly connected through a fixing rod;
the left exhaust end of expansion tank 11 is equipped with air feed pipe 25, air feed pipe 25 left end stretches into bottom in the heat dissipation case 27, and air feed pipe 25's exhaust end is equipped with the exhaust nozzle, just so can send the air conditioning that the compression produced into in the heat dissipation case 27 to further cool down the heat transfer water in the heat dissipation case 27, thereby further improved the radiating effect to heat dissipation case 27, heat dissipation case 27 upper end is equipped with gas vent 26.
The driving assembly comprises a driving motor 231 arranged at the upper end of the expansion tank 11, the output end of the driving motor 231 is provided with a rotating disc 23, the surface eccentric position of the rotating disc 23 is provided with a fixed rod, the fixed rod is rotatably connected with the lower end of a transmission rod 22, and the upper end of the transmission rod 22 is rotatably connected with the left end of a lever 17;
under the action of the driving motor 231, the rotating disc 23 drives the left end of the lever 17 to reciprocate up and down through the transmission rod 22. A
A liquid pump for promoting liquid to enter the heat dissipation box 27 is arranged on the water outlet pipe 5;
the working principle of the invention is as follows: under the drive of the driving component, the lever 17 can rotate up and down along the fulcrum bar 18 in a reciprocating manner, under the action of the lever 17, the second piston rod 21 drives the second piston block 24 to move downwards, so that water in the water storage tank 7 is sent into the heat dissipation tank 27, and when the second piston block 24 rises, the water in the heat dissipation tank 27 is also sucked into the water storage tank 7, so that the heat on the frequency converter A is continuously taken away;
under the action of the lever 17, the first piston rod 15 drives the first piston block 13 to move up and down, when the first piston block 13 moves down, air is compressed, the temperature of the compressed air rises, high-temperature air can dissipate heat through the wall of the compression box 14, the compressed air in the compression box 14 can be sent into the expansion box, at the moment, the second piston block 24 in the expansion box 11 moves upwards, so that the expansion of the air entering the expansion box is further promoted, the expansion of the air can do work outwards, the temperature of the expansion box is further reduced, the temperature of the water in the expansion box 11 is reduced, the water-cooling heat dissipation effect is improved, and meanwhile, cold air can be sent into the heat dissipation box 27, so that the air-cooling operation is carried out on the heat dissipation box 27;
therefore, air cooling, compression refrigeration and water cooling are utilized, and the heat dissipation effect of the frequency converter A is effectively improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A water-cooled radiator for a frequency converter comprises a radiating box (27) arranged on a radiating surface of a frequency converter A, wherein a water inlet end of the radiating box (27) is connected with a water outlet end of an expansion tank (11) through a water inlet pipe (3), the water outlet end of the radiating box (27) is connected with a water return end of the expansion tank (11) through a water outlet pipe (5), and check valves (4) for preventing water from flowing backwards are arranged on the water inlet pipe (3) and the water outlet pipe (5);
the expansion tank is characterized in that a compression tank (14) is arranged on the right side of the expansion tank (11), a lever (17) is arranged above the compression tank (14) and the expansion tank (11), the lower end of the lever (17) is rotatably connected with the upper end of a fulcrum rod (18), and the lower end of the fulcrum rod (18) is fixedly connected with the top of the expansion tank (11);
a second piston block (24) is in sliding fit in the expansion tank (11), a first piston block (13) is in sliding fit in the compression tank (14), a first piston rod (15) is arranged at the upper end of the first piston block (13), and the upper end of the first piston rod (15) is rotatably connected with a first sliding sleeve (16) which is sleeved outside the lever (17) in a sliding manner;
a second piston rod (21) is arranged at the upper end of the second piston block (24), and the upper end of the second piston rod (21) is rotatably connected with a second sliding sleeve (19) which is sleeved outside the lever (17) in a sliding manner;
the left end of the lever (17) is connected with a driving component for the end part to fluctuate up and down, and the lever (17) continuously drives the two piston blocks to reciprocate up and down through the first piston rod (15) and the second piston rod (21) under the driving of the driving component;
bottom is equipped with reservoir (7) in expansion tank (11), the inlet end of reservoir (7) right side downside passes through air supply pipe (10) and the exhaust end intercommunication of compression box (14) bottom, be equipped with check valve (4) and pressure limiting valve on air supply pipe (10), compression box (14) right side downside is equipped with air intlet, and air intlet department is equipped with check valve (4).
2. The frequency converter water-cooled radiator according to claim 1, characterized in that an air feed pipe (25) is arranged at the air exhaust end on the left side of the expansion tank (11), the left end of the air feed pipe (25) extends into the bottom of the heat dissipation tank (27), an air exhaust nozzle (2) is arranged at the air exhaust end of the air feed pipe (25), and an air exhaust port (26) is arranged at the upper end of the heat dissipation tank (27).
3. The frequency converter water-cooling radiator according to claim 1, characterized in that the compression box (14) is made of metal material with good thermal conductivity, and a plurality of radiating fins (12) are distributed on the outer side of the compression box (14) in an array manner.
4. The frequency converter water-cooling radiator according to claim 1, characterized in that a rotating shaft (6) is arranged inside the expansion tank (11) where the water storage tank (7) is located, and blades (8) are distributed on the outer side of the rotating shaft (6) in an array manner.
5. The frequency converter water-cooled radiator according to claim 1, characterized in that a limit stop (9) for limiting the downward stroke of the second piston block (24) is arranged inside the expansion tank (11).
6. The frequency converter water-cooled radiator according to claim 1, characterized in that the expansion tank (11) and the compression tank (14) are fixedly connected by fixing rods.
7. The frequency converter water-cooled radiator according to claim 1, characterized in that the driving assembly comprises a driving motor (231) arranged at the upper end of the expansion tank (11), the output end of the driving motor (231) is provided with a rotating disc (23), a fixed rod is arranged at an eccentric position on the surface of the rotating disc (23), the fixed rod is rotatably connected with the lower end of the transmission rod (22), and the upper end of the transmission rod (22) is rotatably connected with the left end of the lever (17).
8. The frequency converter water-cooled radiator according to claim 1, characterized in that the water outlet pipe (5) is provided with a liquid pump for promoting liquid to enter the inside of the heat dissipation tank (27).
CN202010781077.2A 2020-08-06 2020-08-06 Converter water-cooling radiator Pending CN111818775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010781077.2A CN111818775A (en) 2020-08-06 2020-08-06 Converter water-cooling radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010781077.2A CN111818775A (en) 2020-08-06 2020-08-06 Converter water-cooling radiator

Publications (1)

Publication Number Publication Date
CN111818775A true CN111818775A (en) 2020-10-23

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CN202010781077.2A Pending CN111818775A (en) 2020-08-06 2020-08-06 Converter water-cooling radiator

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112181103A (en) * 2020-12-02 2021-01-05 江西科技学院 Heat dissipation device of cloud data processing electric equipment
CN113207267A (en) * 2021-05-10 2021-08-03 白城师范学院 Lifting type integrated computer server cabinet
CN113847545A (en) * 2021-09-12 2021-12-28 芜湖中燃城市燃气发展有限公司 Liquefied natural gas gasification transmission and distribution device and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112181103A (en) * 2020-12-02 2021-01-05 江西科技学院 Heat dissipation device of cloud data processing electric equipment
CN112181103B (en) * 2020-12-02 2021-03-16 江西科技学院 Heat dissipation device of cloud data processing electric equipment
CN113207267A (en) * 2021-05-10 2021-08-03 白城师范学院 Lifting type integrated computer server cabinet
CN113847545A (en) * 2021-09-12 2021-12-28 芜湖中燃城市燃气发展有限公司 Liquefied natural gas gasification transmission and distribution device and method
CN113847545B (en) * 2021-09-12 2022-12-02 芜湖中燃城市燃气发展有限公司 Liquefied natural gas gasification transmission and distribution device and method

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