CN115315164A - Power rectifier with efficient heat dissipation function - Google Patents
Power rectifier with efficient heat dissipation function Download PDFInfo
- Publication number
- CN115315164A CN115315164A CN202211199203.9A CN202211199203A CN115315164A CN 115315164 A CN115315164 A CN 115315164A CN 202211199203 A CN202211199203 A CN 202211199203A CN 115315164 A CN115315164 A CN 115315164A
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- rectifier
- axial flow
- flow fan
- cabinet body
- Prior art date
- 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.)
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Classifications
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
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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
- H05K7/20936—Liquid coolant with phase change
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses an electric power rectifier with efficient heat dissipation, which comprises a cabinet body, a mounting frame arranged on the cabinet body, an insulating plate arranged on the mounting frame, a separation groove arranged on the insulating plate and a separation plate arranged on the separation groove, wherein the separation plate divides the interior of the cabinet into a plurality of chambers, rectifier main bodies and heat dissipation assemblies arranged on the rectifier main bodies are arranged in the chambers, each heat dissipation assembly comprises a base plate arranged on the rectifier main body, a condensation pipe arranged on the base plate, heat dissipation sheets arranged on the condensation pipes in a matrix arrangement mode and installation guide structures arranged on the heat dissipation sheets and the condensation pipes, and a quick air exhaust assembly matched with the heat dissipation assemblies is further arranged at the top of the cabinet body; according to the invention, by the characteristic that the heat energy is transferred by the refrigerant, the heat of the rectifier is quickly gasified, absorbed and transferred to the radiating fins, and the heat on the radiating fins is quickly extracted by the fan, so that the efficient heat dissipation is realized, the service life is prolonged, and the operation stability is improved.
Description
Technical Field
The invention relates to the technical field of rectifiers, in particular to a power rectifier with efficient heat dissipation.
Background
With the increasingly rapid development of people's living needs and technological progress, a rectifier is a device for converting Alternating Current (AC) into Direct Current (DC), and can be used for a power supply device, a radio signal detection device and the like, and the rectifier is a rectifying device, which is simply a device for converting Alternating Current (AC) into Direct Current (DC), and has two main functions: firstly, alternating Current (AC) is changed into Direct Current (DC), and the DC is supplied to a load after being filtered or is supplied to an inverter; second, the battery is supplied with a charging voltage, so that it also functions as a charger.
The existing rectifier adopts a water cooling heat dissipation mode or an air cooling heat dissipation mode, the dependence of the air cooling heat dissipation on a fan is too strong, the fan is required to have good stability, and once the fan fails, the rectifier stops running due to poor heat dissipation; the heat on the rectifier is transferred to the radiating fins for radiating through the cooling tubes by adopting water cooling radiation, dense radiating fins are required to be arranged on the cooling tubes, gaps among the radiating fins are small, the gaps among the radiating fins cause heat accumulation, the integral radiating effect is poor, the radiating efficiency of the rectifier is influenced, and meanwhile, the water cooling radiation requires enough spare space for placing a water pump and a cooling water tank on a cabinet, so that the radiating system is large in size; there is a need for a power rectifier with efficient heat dissipation.
Disclosure of Invention
The present invention is directed to solve the above problems, and an object of the present invention is to provide a power rectifier with efficient heat dissipation.
In order to achieve the purpose, the invention provides the following technical scheme: including the cabinet body, install the mounting bracket on the cabinet body, install the insulation board on the mounting bracket, its characteristic is still including setting up the partition groove on the insulation board and setting up the division board on the partition groove, the division board divide into a plurality of cavity with the rack in, the cavity in all install the rectifier main part and set up the radiator unit in the rectifier main part, radiator unit including setting up the base plate in the rectifier main part, install condenser pipe on the base plate, install the fin that is matrix arrangement on the condenser pipe and set up the installation guide structure at fin and condenser pipe, cabinet body top still be equipped with radiator unit matched with quick air exhaust assembly.
Preferably, the installation guide structure comprises a conical table arranged on the condensation pipe, guide blocks symmetrically arranged on two sides of the conical table, and through holes arranged on the radiating fins and matched with the condensation pipe.
Preferably, the radiating fin is provided with a plurality of radiating holes, and the through hole is provided with a limit groove matched with the guide block.
Preferably, the filling medium in the condensation pipe is a refrigerant.
Preferably, the quick air exhaust assembly comprises an air exhaust channel arranged on the partition plate, a first axial flow fan, a second axial flow fan and a third axial flow fan which are arranged at the top of the cabinet body and communicated with the air exhaust channel, and temperature sensors are arranged on the air exhaust channels corresponding to the chambers.
Preferably, the exhaust channel is provided with a slot matched with the partition board, the exhaust channel is also provided with a dust screen, and the first axial flow fan, the second axial flow fan or the third axial flow fan are communicated with each chamber.
The invention has the beneficial effects that: according to the invention, the characteristic that the refrigerant absorbs heat to become gas and releases heat to become liquid is adopted, so that a large amount of heat on the rectifier can be quickly gasified and absorbed and transferred to the radiating fin, and the heat on the radiating fin is quickly extracted by using the axial flow fan, thereby realizing high-efficiency heat dissipation, and prolonging the service life of the rectifier and improving the stability of operation;
through the arrangement of the installation guide structure, the radiating fins are quickly assembled on the conical table and attached to the condensation pipe through the matching of the limiting grooves and the guide blocks by means of interference installation, and meanwhile, the radiating holes between the upper part and the lower part of the radiating fins can be aligned with each other by means of the positioning of the limiting grooves and the guide blocks, so that the heat at the bottom is ensured to quickly rise through the radiating holes, the heat is prevented from accumulating between gaps of the radiating fins, and the radiating efficiency of the radiating fins is improved;
through the arrangement of the quick air exhaust assembly, the temperature condition in each cavity can be monitored by using the temperature sensor, and the opening or closing of the fan is controlled according to the load power of the rectifier and the change of the temperature of the cavity, so that the heat in each cavity is quickly extracted out of the cabinet body; meanwhile, the fan is arranged at the top of the cabinet body, and the fan can be used alternately, so that the maintenance of the fan is facilitated;
the cabinet body is divided into three chambers by the arrangement of the partition plates, so that the heat of each chamber is not interfered with each other, and the heat dissipation efficiency is improved;
the back and the top of each cavity are communicated with the air exhaust channel through the arrangement of the air exhaust channel, so that heat in each cavity can be exhausted more quickly under the action of the axial flow fan, and the heat dissipation efficiency is improved;
through the setting of dust screen, prevent that the dust from the fan entering cabinet body, avoided the louvre to be blockked up by the dust, promoted the radiating efficiency of fin.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural diagram of a heat dissipation assembly according to the present invention;
FIG. 3 is a schematic view of the structure of the insulating plate of the present invention;
FIG. 4 is a schematic view of a condenser tube structure according to the present invention;
FIG. 5 is a schematic view of a heat sink according to the present invention;
FIG. 6 is a schematic view of the structure of the air exhaust channel of the present invention;
fig. 7 is an enlarged schematic view of the structure at the position A in the patent of the invention.
The labels in the figure are: the air-conditioning unit comprises a cabinet body 1, an 11-type mounting frame, an insulating plate 2, a 21-type separating groove, a 22-type separating plate, a 23-type cavity, a rectifier body 3, a heat dissipation assembly 4, a substrate 41, a condenser tube 42, a heat dissipation fin 43, a heat dissipation hole 431, a 5-type mounting guide structure, a conical table 51, a guide block 52, a through hole 53, a limit groove 54, a quick air exhaust assembly 6, an air exhaust channel 61, an axial flow fan 62, an axial flow fan 63 II, an axial flow fan 64 III, a temperature sensor 65, slots 66 and a dust screen 67.
Detailed Description
The following describes a power rectifier with efficient heat dissipation according to the present invention in detail with reference to the accompanying drawings.
Referring to fig. 1 to 7, in the embodiment, the power rectifier with efficient heat dissipation includes a cabinet body 1, a mounting frame 11 installed on the cabinet body 1 by welding, and an insulating plate 2 installed on the mounting frame 11 by bolts, and is characterized by further including a separation groove 21 disposed on the insulating plate 2 and a separation plate 22 installed on the separation groove 21, where the separation plate 22 divides the inside of the cabinet 1 into a plurality of chambers 23, the chambers 23 are all provided with a rectifier main body 3 and a heat dissipation assembly 4 disposed on the rectifier main body 3, the heat dissipation assembly 4 includes a base plate 41 disposed on the rectifier main body 3, a condensation pipe 42 mounted on the base plate 41, heat dissipation fins 43 mounted on the condensation pipe 42 in a matrix arrangement by interference fit, and a mounting guide structure 5 disposed on the heat dissipation fins 43 and the condensation pipe 42, the top of the cabinet body 1 is further provided with a fast air exhaust assembly 6 matched with the heat dissipation assembly 4, and a filling medium in the condensation pipe 32 is a refrigerant; according to the invention, the heat generated on the rectifier main body 3 can be quickly gasified and absorbed and transferred to the radiating fins 43 by the characteristic that the refrigerant absorbs heat to become gas and releases heat to become liquid, and the heat on the radiating fins 43 is quickly extracted by using the quick air exhaust assembly 6, so that high-efficiency heat dissipation is realized, and the service life of the rectifier main body 3 and the stability of operation are improved; through the setting of division board 22, divide cabinet body 1 into three cavity 23, make the heat mutual noninterference of every cavity 23, promote the radiating efficiency.
The installation guide structure 5 comprises a conical table 51 arranged on the condensation pipe 42, guide blocks 52 which are symmetrically arranged on two sides of the conical table 51 through welding, and a through hole 53 which is arranged on the radiating fin 43 and is matched with the condensation pipe 42, wherein the radiating fin 43 is provided with a plurality of radiating holes 431, and the through hole 53 is provided with a limit groove 54 matched with the guide blocks 52; through the setting of installation guide structure 5, aim at condenser tube 42 with through-hole 53 on fin 43, make spacing groove 54 align with the position of guide block 52 simultaneously, install fin 43 between toper platform 51 and toper platform 51 through interference fit, install each fin 43 on condenser tube 43 in proper order, cooperation through spacing groove 54 and guide block 52, utilize interference installation to make fin 43 rapid Assembly laminate at toper platform 51 and condenser tube 42, utilize the location of spacing groove 54 and guide block 52 simultaneously, louvre 431 between the top and bottom of fin 43 can be made to align each other, thereby guaranteed that the heat of bottom rises fast through louvre 431, prevent that the heat from gathering between the clearance of fin 43, the radiating efficiency of fin 43 has been promoted.
The rapid air exhaust assembly 6 comprises an air exhaust channel 61 arranged on the partition plate 22, a first axial flow fan 62, a second axial flow fan 63 and a third axial flow fan 64 which are arranged at the top of the cabinet body 1 through bolts and communicated with the air exhaust channel 61, temperature sensors 65 are arranged on the air exhaust channels 61 corresponding to the chambers 23, slots 66 matched with the partition plate 22 are formed in the air exhaust channel 61, a dust screen 67 is further arranged on the air exhaust channel 61, and the first axial flow fan 62, the second axial flow fan 63 or the third axial flow fan 64 are communicated with each chamber 23; through the arrangement of the rapid exhaust assembly 6, the temperature condition in each chamber 23 can be monitored by using the temperature sensor 65, and the first axial flow fan 62, the second axial flow fan 63 or the third axial flow fan 64 is controlled to be turned on or turned off according to the load power of the rectifier main body 3 and the temperature change of each chamber 3, so that the heat in each chamber 23 is rapidly extracted out of the cabinet body 1; meanwhile, the axial flow fan is arranged at the top of the cabinet body 1, and the axial flow fan is convenient to maintain through alternate use; through the arrangement of the air exhaust channel 61, the back and the top of each chamber 23 are communicated with the air exhaust channel 61, and heat in each chamber 23 can be exhausted more quickly under the action of the axial flow fan, so that the heat dissipation efficiency is improved; through the setting of dust screen 67, prevent that the dust from the axial fan gets into cabinet 1, avoided louvre 431 to be blockked up by the dust, promoted the radiating efficiency of fin 43.
When the invention is used, the rectifier main bodies 3 in the cavities 23 start to operate, the rectifier main bodies 3 generate heat along with the operation time, the heat is transferred to the condensation pipe 42 through the base plate 41, the refrigerant medium in the condensation pipe 42 absorbs heat from liquid and then is quickly gasified, the heat is radiated into the cavities 23 through the radiating fins 43, the suction force is generated through the exhaust channel 61 by starting the second axial flow fan 64, the heat in the cavities 23 is extracted from the radiating holes 431 and the side edges of the cavities 23 and is exhausted out of the cabinet body 1, after the heat on the condensation pipe 42 is radiated by the radiating fins 43, the gasified refrigerant is quickly changed into liquid and then absorbs heat from the rectifier main bodies 3 again and is gasified, and the cycle is repeated, so that the high-efficiency heat radiation of the rectifier main bodies 3 is realized; meanwhile, the temperature change of each cavity can be monitored through the temperature sensor 65 at the top of each cavity 23, when the second axial flow fan 64 is started to meet the heat dissipation requirement, the first axial flow fan 63 and the third axial flow fan 65 do not need to be started, when the temperature sensor 65 generates an alarm signal after the second axial flow fan 64 is started, the first axial flow fan 63 and the third axial flow fan 65 are simultaneously started through the console, the discharge efficiency of each cavity 23 is increased, and therefore the safe operation of the rectifier main body 3 is guaranteed.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a power rectifier with high-efficient radiating, includes the cabinet body (1), installs mounting bracket (11) on the cabinet body (1), installs insulation board (2) on mounting bracket (11), its characterized in that still including setting up separating groove (21) on insulation board (2) and division board (22) of setting on separating groove (21), division board (22) divide into a plurality of cavity (23) in with cabinet (1), cavity (23) in all install rectifier main part (3) and heat-radiating component (4) of setting on rectifier main part (3), heat-radiating component (4) including setting up base plate (41) on rectifier main part (3), install condenser pipe (42) on base plate (41), install fin (43) that are the matrix arrangement on condenser pipe (42) and set up installation guide structure (5) at fin (43) and condenser pipe (42), cabinet body (1) top still be equipped with heat-radiating component (4) matched with quick exhaust assembly (6).
2. A power rectifier with efficient heat dissipation according to claim 1, further characterized by: the installation guide structure (5) comprises a conical table (51) arranged on the condensation pipe (42), guide blocks (52) which are symmetrically arranged on two sides of the conical table (51), and through holes (53) which are arranged on the radiating fins (43) and are matched with the condensation pipe (42).
3. A power rectifier with efficient heat dissipation according to claim 2, further characterized by: the radiating fin (43) is provided with a plurality of radiating holes (431), and the through hole (53) is provided with a limiting groove (54) matched with the guide block (52).
4. A power rectifier with efficient heat dissipation according to claim 2, further characterized by: the filling medium in the condensation pipe (32) is a refrigerant.
5. A power rectifier with efficient heat dissipation according to claim 1, further characterized by: the quick air exhaust assembly (6) comprises an air exhaust channel (61) arranged on the partition plate (22), a first axial flow fan (62), a second axial flow fan (63) and a third axial flow fan (64) which are arranged at the top of the cabinet body (1) and communicated with the air exhaust channel (61), and temperature sensors (65) are arranged on the air exhaust channels (61) corresponding to the cavity (23).
6. The power rectifier with efficient heat dissipation of claim 5, further characterized by: the exhaust passage (61) is provided with a slot (66) matched with the partition plate (22), the exhaust passage (61) is also provided with a dust screen (67), and the first axial flow fan (62), the second axial flow fan (63) or the third axial flow fan (64) are communicated with each cavity (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199203.9A CN115315164B (en) | 2022-09-29 | 2022-09-29 | Electric rectifier with high-efficient heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199203.9A CN115315164B (en) | 2022-09-29 | 2022-09-29 | Electric rectifier with high-efficient heat dissipation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115315164A true CN115315164A (en) | 2022-11-08 |
| CN115315164B CN115315164B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211199203.9A Active CN115315164B (en) | 2022-09-29 | 2022-09-29 | Electric rectifier with high-efficient heat dissipation |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124048A (en) * | 2011-11-21 | 2013-05-29 | 陕西同力电气有限公司 | High-voltage sealing power distribution cabinet with radiating function |
| CN206195214U (en) * | 2016-11-30 | 2017-05-24 | 北京天诚同创电气有限公司 | Rack cooling system and converter cabinet |
| CN107658729A (en) * | 2017-11-09 | 2018-02-02 | 肇庆市高新区晓靖科技有限公司 | A kind of cooling system for sealed power distribution cabinet |
| CN207183885U (en) * | 2017-08-22 | 2018-04-03 | 浙江电腾云光伏科技有限公司 | A kind of heat abstractor of novel photovoltaic power cabinet auxiliary |
| CN212305963U (en) * | 2020-06-05 | 2021-01-05 | 上能电气股份有限公司 | Heat abstractor and dc-to-ac converter |
-
2022
- 2022-09-29 CN CN202211199203.9A patent/CN115315164B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124048A (en) * | 2011-11-21 | 2013-05-29 | 陕西同力电气有限公司 | High-voltage sealing power distribution cabinet with radiating function |
| CN206195214U (en) * | 2016-11-30 | 2017-05-24 | 北京天诚同创电气有限公司 | Rack cooling system and converter cabinet |
| CN207183885U (en) * | 2017-08-22 | 2018-04-03 | 浙江电腾云光伏科技有限公司 | A kind of heat abstractor of novel photovoltaic power cabinet auxiliary |
| CN107658729A (en) * | 2017-11-09 | 2018-02-02 | 肇庆市高新区晓靖科技有限公司 | A kind of cooling system for sealed power distribution cabinet |
| CN212305963U (en) * | 2020-06-05 | 2021-01-05 | 上能电气股份有限公司 | Heat abstractor and dc-to-ac converter |
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| Publication number | Publication date |
|---|---|
| CN115315164B (en) | 2023-05-16 |
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Denomination of invention: A Power Rectifier with Efficient Heat Dissipation Effective date of registration: 20230711 Granted publication date: 20230516 Pledgee: Hangzhou branch of Bank of Nanjing Co.,Ltd. Pledgor: Hangzhou Lanhai Tuofan Technology Co.,Ltd. Registration number: Y2023980047830 |
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