CN212936519U - Heat abstractor for rectifier - Google Patents
Heat abstractor for rectifier Download PDFInfo
- Publication number
- CN212936519U CN212936519U CN202022106728.6U CN202022106728U CN212936519U CN 212936519 U CN212936519 U CN 212936519U CN 202022106728 U CN202022106728 U CN 202022106728U CN 212936519 U CN212936519 U CN 212936519U
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- radiator
- rectifier
- fan
- clamping device
- 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.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 17
- 238000009529 body temperature measurement Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Rectifiers (AREA)
Abstract
The utility model discloses a heat abstractor for rectifier belongs to rectifier technical field, including fixing the radiator on a side of rectifier, and install radiator fan on the radiator, radiator fan is connected with the relay through the radiator fan wire, and the relay is connected with the PLC controller through the data line, is connected with the thermocouple on the PLC controller, installs thermocouple clamping device on a side of perpendicular to radiator fan on the radiator, and the temperature measurement end of thermocouple is arranged in thermocouple clamping device. The device radiates heat for the rectifier through the radiator and the cooling fan together, and meanwhile, the PLC is used for controlling the relay, so that the cooling fan is started or stopped according to the design of a program, and electric energy can be saved.
Description
Technical Field
The utility model belongs to the technical field of the rectifier, concretely relates to heat abstractor for rectifier.
Background
The direct uninterrupted power source of DC-BANK is a kind of common electric equipment in industrial production, need dispose 24V direct current power in the ZL cabinet of DC-BANK device, when the power consumption is great, for example exceed 40A, the rectifier in the ZL cabinet can produce a large amount of heats, the radiator heating condition of rectifier is serious, practical detection finds, when the ambient temperature is 35 ℃, the surface temperature of radiator can reach 80 ℃, so high temperature can lead to the radiator to overheat and damage, need cool down the radiator at this moment, guarantee the normal work and use of switch board.
Chinese utility model patent CN205544895U (a water-cooling copper bar heat abstractor for heavy current electrolytic rectifier), set up the inside cooling water route inside the copper bar, the water pipe head of the equal fixed connection of the last lower extreme of every copper bar and inside cooling water route intercommunication in the device, water pipe head and external cooling water advance water piping connection are equipped with the water valve on the external cooling water pipeline, and the switching of accessible water valve controls the cooling water and dispels the heat to the rectifier. This patent dispels the heat through water-cooled mode to the radiator, and the radiating effect is good and the heat dissipation is even, and nevertheless the rectifier belongs to electrical equipment, and water is the conductor, has the power consumption incident hidden danger, therefore the security performance grade is lower.
Chinese utility model patent CN209768089U (be used for the forced air cooling radiator of high frequency module ization electrophoresis rectifier), forced air cooling radiator includes mounting panel, lower mounting panel, heat dissipation inserted sheet and fan, and heat dissipation inserted sheet parallel arrangement is between last mounting panel and lower mounting panel, and the fan sets up side by side on the up end of last mounting panel and lower mounting panel, through installing the fan on the radiator, forms the wind channel between heat dissipation inserted sheet in the radiator and the fan, can carry out high-efficient heat dissipation for the radiator. In the patent, the fan needs to be operated all the time, and cannot be automatically controlled, so that the energy consumption is high.
Therefore, the prior art cannot realize high efficiency and energy conservation, and can automatically radiate the heat of the radiator, so that the practical application is more limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that wants to solve is when dispelling the heat to the rectifier among the prior art, has the technical problem such as the security performance level is low, can't realize automated control.
In order to solve the technical problem, the utility model discloses a heat abstractor for rectifier, including radiator, radiator fan, the radiator is fixed on a side of rectifier, keeps away from on the side of rectifier on the radiator and installs radiator fan, and radiator fan is connected with the relay through the radiator fan wire, and the relay is connected with the PLC controller through the data line, is connected with the thermocouple on the PLC controller, installs thermocouple clamping device on a side that radiator fan was installed to the perpendicular to on the radiator, and the temperature measurement end of thermocouple is arranged in thermocouple clamping device.
Furthermore, the thermocouple clamping device is of an inverted T-shaped cylindrical structure, a mounting hole is formed in the bottom of the inverted T-shaped cylindrical structure, the thermocouple clamping device is fixedly mounted on the radiator through the mounting hole, and a through hole is formed in the center of the thermocouple clamping device.
Furthermore, a heat insulation layer is filled in the through hole, and a thermocouple placing hole is formed in the center of the heat insulation layer.
Furthermore, the diameter of the thermocouple placing hole is D, the height of the thermocouple placing hole is H, the diameter of the thermocouple temperature measuring end is D, and the height of the thermocouple temperature measuring end is H; the D > D, H > H.
Further, the 1.1 × D ≦ 1.3 × D, 1.1 × H ≦ 1.3 × H.
Furthermore, the heat insulation layer is made of glass fiber cotton, asbestos, rock wool or aerogel felt.
Further, the number of the heat sinks is equal to the number of the heat dissipation fans.
The utility model discloses a heat abstractor for rectifier at the use, at first carries out programming design to the PLC controller: the PLC can receive the surface temperature of the radiator measured by the thermocouple, when the surface temperature of the radiator is not less than 50-55 ℃, the PLC sends an instruction to turn on the relay, the cooling fan is started to discharge the heat of the radiator, the thermocouple still measures the surface temperature of the radiator in real time in the rotating process of the cooling fan, and when the surface temperature of the radiator is reduced to 40-50 ℃, the relay continuously controls the cooling fan to continue to supply air for 20-50 minutes. After the cooling fan stops rotating, because the cooling fan does not assist in cooling, after the rectifier works for a period of time, the temperature of the surface of the radiator rises again, and when the temperature of the surface of the radiator rises again to be not less than 55 ℃, the PLC controller controls the relay 5 to repeat the operation; the above steps are repeated continuously.
Compared with the prior art, the utility model discloses a heat abstractor for rectifier has following advantage:
(1) the rectifier is provided with the radiator and the radiating fan, the radiator and the radiating fan are used for radiating heat of the rectifier together, heat of the rectifier can be effectively discharged, and normal work of the rectifier is guaranteed.
(2) Set up thermocouple clamping device on the radiator, thereby can place the temperature of thermocouple measurement radiator, thereby utilize PLC controller control relay to realize radiator fan and open or stall according to the design of procedure, when guaranteeing effective heat of discharging, can avoid radiator fan's continuous operation again to can practice thrift the electric energy.
Drawings
FIG. 1: the heat dissipation device for the rectifier has a schematic three-dimensional structure.
FIG. 2: thermocouple clamping device cross-sectional view.
FIG. 3: thermocouple clamping device top view.
FIG. 4: and (4) bottom view of the thermocouple clamping device.
Description of reference numerals: 1-a rectifier; 2-a radiator; 3-a heat dissipation fan; 4-a PLC controller; 5-a relay; 6-thermocouple clamping device; 7-a thermocouple; 8-radiator fan lead; 61-outer sleeve; 62-a thermal insulation layer; 63-thermocouple placement holes; 64-mounting hole.
Detailed Description
The technical solution of the present invention will be explained in detail by the following embodiments.
As shown in fig. 1, a schematic perspective view of a heat dissipation device for a rectifier includes a heat sink 2, a heat dissipation fan 3, a PLC controller 4, a relay 5, and a thermocouple 7; radiator 2 is fixed on a side of rectifier 1, radiator 2's quantity is two, install a radiator fan 3 on the side of keeping away from rectifier 1 on each radiator 2, radiator fan 3 passes through radiator fan wire 8 and is connected with relay 5, pass through the data line between relay 5 and the PLC controller 4 and be connected with thermocouple 7 on the PLC controller 4, install thermocouple clamping device 6 on radiator 2's the up end, the temperature measurement end of thermocouple 7 is put in thermocouple clamping device 6 for measure radiator 2's surface temperature.
As shown in fig. 2-4, which are detailed structural views of the thermocouple holding device 6, the appearance of the thermocouple holding device 6 is an inverted "T" shaped cylindrical structure, four mounting holes 64 are uniformly distributed in the circumferential direction of the bottom, and the thermocouple holding device 6 is fixedly mounted on the upper end surface of the heat sink 2 through the mounting holes 64 by bolts or screws; the thermocouple clamping device 6 comprises an outer sleeve 61, a through hole is formed in the center of the outer sleeve, a heat insulation layer 62 is filled in the through hole, a thermocouple placing hole 63 is formed in the through hole in the center of the heat insulation layer 62, the diameter of the thermocouple placing hole 63 is D, the height of the thermocouple placing hole 63 is H, the diameter of the temperature measuring end of the thermocouple 7 is D, and the height of the temperature measuring end of the thermocouple 7 is H; in the operation process of the heat dissipation device for the rectifier, the temperature measuring end of the thermocouple 7 is inserted into the thermocouple placing hole 63, and therefore, the size of the temperature measuring end of the thermocouple 7 is smaller than that of the thermocouple placing hole 63, specifically: 1.1 × D ≦ 1.3 × D, 1.1 × H ≦ 1.3 × H.
The utility model discloses in, the effect of insulating layer 62 is that the heat that reduces 2 up end of radiators gives off to ensure that thermocouple 7 can the accurate temperature of measuring radiator 2, consequently insulating layer 62 should have good thermal-insulated effect of keeping warm, specifically, glass fiber cotton, asbestos, rock wool or aerogel felt etc. when insulating layer 62's material can, paste on the through-hole inner wall at outer sleeve 61 center through glue.
The utility model discloses a heat abstractor for rectifier at the use, at first carries out programming design to PLC controller 4: the PLC 4 can receive the surface temperature of the radiator 2 measured by the thermocouple 7, when the surface temperature of the radiator 2 is not less than 55 ℃, the PLC 4 sends an instruction to turn on the relay 5, the cooling fan 3 is started to discharge the heat of the radiator 2, the thermocouple 7 still measures the surface temperature of the radiator 2 in real time in the rotating process of the cooling fan 3, and when the surface temperature of the radiator 2 is reduced to 45 ℃, the relay 5 continues to control the cooling fan 3 to continue to supply air for 30 minutes. After the cooling fan 3 stops rotating, because the cooling fan 3 does not assist in cooling, after the rectifier 1 works for a period of time, the temperature of the surface of the radiator 2 rises again, and when the temperature of the surface of the radiator 2 rises again to be not less than 55 ℃, the PLC 4 controls the relay 5 to repeat the operation; the above steps are repeated continuously.
Such design can ensure that radiator fan 3 in time discharges the heat of radiator 2, can measure the surface temperature of radiator 2 in real time again, and through the closed-loop control of PLC controller 4, when the temperature of radiator 2 exceeded certain numerical value, start radiator fan 3, when the temperature of radiator 2 descends, will control radiator fan 3 self-closing again, consequently can realize intelligent control, avoid radiator fan 3 to last the operation to avoid consuming too much electric energy.
In other specific embodiments, in order to meet the requirement of heat dissipation of rectifiers 1 of different specifications and models, 1 or ≧ 3 heat sinks 2 and other numbers of heat dissipation fans 3 may be disposed on the rectifier 1, so as to better dissipate heat of the rectifier 1, improve the working performance of the rectifier 1, and effectively save electric energy.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a heat abstractor for rectifier, includes radiator, radiator fan, its characterized in that: the radiator is fixed on one side face of the rectifier, a radiating fan is installed on the side face, far away from the rectifier, of the radiator, the radiating fan is connected with a relay through a radiating fan conducting wire, the relay is connected with a PLC (programmable logic controller) through a data line, a thermocouple is connected to the PLC, a thermocouple clamping device is installed on the side face, perpendicular to the side face, where the radiating fan is installed, of the radiator, and a temperature measuring end of the thermocouple is placed in the thermocouple clamping device.
2. The heat sink for a rectifier as set forth in claim 1, wherein: the thermocouple clamping device is of an inverted T-shaped cylindrical structure, a mounting hole is formed in the bottom of the inverted T-shaped cylindrical structure, the thermocouple clamping device is fixedly mounted on the radiator through the mounting hole, and a through hole is formed in the center of the thermocouple clamping device.
3. The heat sink for a rectifier as set forth in claim 2, wherein: the through hole is filled with a heat insulation layer, and a thermocouple placing hole is formed in the center of the heat insulation layer.
4. The heat sink for a rectifier as set forth in claim 3, wherein: the diameter of the thermocouple placing hole is D, the height of the thermocouple placing hole is H, the diameter of the thermocouple temperature measuring end is D, and the height of the thermocouple temperature measuring end is H; the D > D, H > H.
5. The heat sink for a rectifier as set forth in claim 4, wherein: the 1.1 x D ≦ 1.3 x D, 1.1 x H ≦ 1.3 x H.
6. The heat sink for a rectifier as set forth in claim 3, wherein: the heat insulation layer is made of glass fiber cotton, asbestos, rock wool or aerogel felt.
7. The heat sink for a rectifier as set forth in claim 1, wherein: the number of the radiators is equal to that of the radiating fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022106728.6U CN212936519U (en) | 2020-09-23 | 2020-09-23 | Heat abstractor for rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022106728.6U CN212936519U (en) | 2020-09-23 | 2020-09-23 | Heat abstractor for rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212936519U true CN212936519U (en) | 2021-04-09 |
Family
ID=75310847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022106728.6U Expired - Fee Related CN212936519U (en) | 2020-09-23 | 2020-09-23 | Heat abstractor for rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212936519U (en) |
-
2020
- 2020-09-23 CN CN202022106728.6U patent/CN212936519U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |