CN204030930U - A kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter - Google Patents
A kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter Download PDFInfo
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- CN204030930U CN204030930U CN201420462282.2U CN201420462282U CN204030930U CN 204030930 U CN204030930 U CN 204030930U CN 201420462282 U CN201420462282 U CN 201420462282U CN 204030930 U CN204030930 U CN 204030930U
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Abstract
The utility model discloses a kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter, comprise explosion-proof casing, explosion-proof casing is provided with the substrate for the heater element of side installation therein, the outside of substrate is laid with heat pipe, on heat pipe, be laid with fin, and fin is arranged perpendicular to the pipeline bearing of trend of heat pipe; The below of heat pipe is provided with cooling blower.Mine explosion-suppression and intrinsic safety type cooling device of frequency converter of the present utility model adopts the mode of heat pipe heat radiation and air blast cooling to realize the cooling heat dissipation to mine explosion-suppression and intrinsic safety type frequency converter, improves the cooling heat dissipation effect of frequency converter; Adopting heat-pipe radiator, to have heat-transfer capability strong, and samming ability is good, and heat density is variable, without additional equipment, lightweight, the advantage such as need not safeguard; The heat that adopts flame-proof converter blower fan to produce according to heater element changes rotation speed of fan and regulates air quantity, has good energy-conserving action.This apparatus structure is simple, and reliable operation can be widely applied to the mineral flame-proof type transducer of various types.
Description
Technical field
The utility model relates to a kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter.
Background technology
In recent years, the development of power electronics and automatic control technology has also promoted the update of production equipment on colliery, for adapt to colliery energy-conservation and safety in production requirement, the use of coal mineral flame-proof type transducer is also more and more, its occasion is mainly used in adhesive tape conveyor under mine, hoisting gear, blower fan, water pump, scratch board conveyor even load type, requires to have high reliability.
The reliability index that affects frequency converter has multinomial, and wherein ventilating with heat radiation is exactly a vital link.Due to explosion-proof frequency conversion device for a long time in sealing cavity in, heat circulates in a fixing little space, and by flameproof enclosure and heat exchange with outside, heat can not shed in time, so its failure rate increases with the temperature rise of cavity, raise and be the decline of index useful life with temperature.At present, mine-used frequency-converter cooling many adopt separately the radiating modes such as air-cooled, water-cooled and heat pipe.As China Patent No. 201120446713.2 discloses a kind of water cooling device for mining explosive-proof frequency converter, only adopt the mode of water-cooling, but adopt single cooling heat dissipation mode cooling effect bad for jumbo frequency converter.This just requires us according to the cooling heat radiator of a kind of new explosion-proof frequency conversion device of actual conditions design.
Utility model content
The purpose of this utility model is to provide a kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter, the type of cooling that adopts heat pipe heat radiation to add air blast cooling realizes the cooling heat dissipation to mine explosion-suppression and intrinsic safety type frequency converter, and guarantee frequency converter is normally worked in the temperature range of regulation.
In order to realize above object, the technical scheme that the utility model adopts is: a kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter, comprise explosion-proof casing, described explosion-proof casing is provided with the substrate for the heater element of side installation therein, the outside of described substrate is laid with heat pipe, on heat pipe, be laid with fin, and fin is arranged perpendicular to the pipeline bearing of trend of heat pipe; The below of heat pipe is provided with cooling blower.
The air side of described cooling blower is provided with wind guide channel, and the air outlet of wind guide channel is towards heat pipe.
Described substrate is bolted on the flange of explosion-proof casing.
Described heat pipe is inner taking oil as coolant and have a copper pipe of capillary structure.
Described substrate is heat radiation copper coin.
Described fin is radiating aluminium sheet.
Described cooling blower is flame proof frequency conversion fan.
Mine explosion-suppression and intrinsic safety type cooling device of frequency converter of the present utility model adopts the mode of heat pipe heat radiation and air blast cooling to realize the cooling heat dissipation to mine explosion-suppression and intrinsic safety type frequency converter, improves the cooling heat dissipation effect of frequency converter; Adopting heat-pipe radiator, to have heat-transfer capability strong, and samming ability is good, and heat density is variable, without additional equipment, lightweight, the advantage such as need not safeguard; The heat that adopts flame-proof converter blower fan to produce according to heater element changes rotation speed of fan and regulates air quantity, has good energy-conserving action.This apparatus structure is simple, and reliable operation can be widely applied to the mineral flame-proof type transducer of various types.
Brief description of the drawings
Fig. 1 is the utility model mine explosion-suppression and intrinsic safety type cooling device of frequency converter cutaway view;
Fig. 2 is the utility model mine explosion-suppression and intrinsic safety type cooling device of frequency converter left view.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Be the utility model mine explosion-suppression and intrinsic safety type cooling device of frequency converter structure chart as depicted in figs. 1 and 2, as seen from the figure, this device comprises explosion-proof casing 1, and explosion-proof casing 1 is provided with the substrate 2 for the heater element 3 of side installation therein, and substrate 2 is bolted on the flange of explosion-proof casing 1; The outside of substrate is laid with heat pipe 4, for further increasing radiating effect, is laid with fin 5 on heat pipe 4, and fin 5 is arranged perpendicular to the pipeline bearing of trend of heat pipe 4; The below of heat pipe 4 is provided with cooling blower 7, and cooling blower 7 is bolted on explosion-proof casing 1, and below heat pipe cooling device.
The substrate 2 of the present embodiment is the copper coin that conductive coefficient is larger, can absorb rapidly the heat that heater element produces and be transmitted on heat pipe 4.Heater element 3 is the electronic components such as IGBT module, electronic power element, reactor, filter.
Heat pipe 4 for inner taking oil as coolant and there is the copper pipe of capillary structure; The material of fin 5 is the aluminium flake that specific heat coefficient is larger, is convenient to storage and absorbs the heat on heat pipe 4, and be fixed on heat pipe 4 with increasing heat radiation area with certain interval, forms air channel, as shown in Figure 1 simultaneously.
The cooling blower 7 of the present embodiment is flame-proof converter blower fan, can regulate air quantity according to the caloric value of heater element; The air side of cooling blower is provided with wind guide channel 6, and the air outlet of wind guide channel, towards heat pipe, is guided wind into heat pipe cooling device by wind guide channel 6.
Operation principle of the present utility model is as follows: mine explosion-suppression and intrinsic safety type frequency converter is in the time of normal work, heater element 3 produces a large amount of heat, copper substrate 2 absorbs fast heat and heat is conducted to the cold oil in heat pipe 4, after cold oil gasification, diffuse to whole copper pipe, fin 5 absorbs, storage and distribute heat, cooling blower 7 detects the temperature on substrate 2 by the temperature sensor being fixed on copper substrate 2 simultaneously, after PLC analytical calculation, control flame proof frequency conversion fan and change rotational speed regulation air quantity, its wind blowing out blows to whole heat pipe 4 and fin 5 from bottom to top through wind guide channel 6, the heat of storing on it is taken away fast, ensure the normal work of mine explosion-suppression and intrinsic safety type frequency converter.
Above embodiment is only for helping to understand core concept of the present utility model; can not limit the utility model with this; for those skilled in the art; every foundation thought of the present utility model; the utility model is modified or is equal to replacement; any change of doing in specific embodiments and applications, within all should being included in protection range of the present utility model.
Claims (7)
1. a mine explosion-suppression and intrinsic safety type cooling device of frequency converter, comprise explosion-proof casing, it is characterized in that: described explosion-proof casing is provided with the substrate for the heater element of side installation therein, the outside of described substrate is laid with heat pipe, on heat pipe, be laid with fin, and fin is arranged perpendicular to the pipeline bearing of trend of heat pipe; The below of heat pipe is provided with cooling blower.
2. mine explosion-suppression and intrinsic safety type cooling device of frequency converter according to claim 1, is characterized in that: the air side of described cooling blower is provided with wind guide channel, the air outlet of wind guide channel is towards heat pipe.
3. mine explosion-suppression and intrinsic safety type cooling device of frequency converter according to claim 1, is characterized in that: described substrate is bolted on the flange of explosion-proof casing.
4. mine explosion-suppression and intrinsic safety type cooling device of frequency converter according to claim 1, is characterized in that: described heat pipe is inner taking oil as coolant and have a copper pipe of capillary structure.
5. mine explosion-suppression and intrinsic safety type cooling device of frequency converter according to claim 1, is characterized in that: described substrate is heat radiation copper coin.
6. mine explosion-suppression and intrinsic safety type cooling device of frequency converter according to claim 1, is characterized in that: described fin is radiating aluminium sheet.
7. mine explosion-suppression and intrinsic safety type cooling device of frequency converter according to claim 1, is characterized in that: described cooling blower is flame proof frequency conversion fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462282.2U CN204030930U (en) | 2014-08-15 | 2014-08-15 | A kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462282.2U CN204030930U (en) | 2014-08-15 | 2014-08-15 | A kind of mine explosion-suppression and intrinsic safety type cooling device of frequency converter |
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| CN204030930U true CN204030930U (en) | 2014-12-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811017A (en) * | 2015-04-02 | 2015-07-29 | 成都西部石油装备股份有限公司 | Explosive-proof frequency converting control box |
| CN107482880A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The Switching Power Supply of high efficiency and heat radiation |
| CN107482881A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The high efficiency radiation method of Switching Power Supply |
| CN112954944A (en) * | 2019-11-26 | 2021-06-11 | 中车大连电力牵引研发中心有限公司 | Vehicle-mounted converter thermal management system and method and vehicle-mounted converter |
| CN113163671A (en) * | 2021-03-03 | 2021-07-23 | 上海应用技术大学 | Mining flame-proof type frequency converter box and heat dissipation system thereof |
-
2014
- 2014-08-15 CN CN201420462282.2U patent/CN204030930U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811017A (en) * | 2015-04-02 | 2015-07-29 | 成都西部石油装备股份有限公司 | Explosive-proof frequency converting control box |
| CN107482880A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The Switching Power Supply of high efficiency and heat radiation |
| CN107482881A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The high efficiency radiation method of Switching Power Supply |
| CN107482880B (en) * | 2017-08-18 | 2019-08-27 | 重庆路格科技有限公司 | The Switching Power Supply of high efficiency and heat radiation |
| CN107482881B (en) * | 2017-08-18 | 2019-08-27 | 重庆路格科技有限公司 | The high efficiency radiation method of Switching Power Supply |
| CN112954944A (en) * | 2019-11-26 | 2021-06-11 | 中车大连电力牵引研发中心有限公司 | Vehicle-mounted converter thermal management system and method and vehicle-mounted converter |
| CN113163671A (en) * | 2021-03-03 | 2021-07-23 | 上海应用技术大学 | Mining flame-proof type frequency converter box and heat dissipation system thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 467021 miner East Road, Pingdingshan, Henan Province, No. 11 hospital Patentee after: Henan Flat Coal Shenma electric Limited by Share Ltd Address before: 467021 miner East Road, Pingdingshan, Henan Province, No. 11 hospital Patentee before: PINGMEI SHENMA MACHINERY EQUIPMENT GROUP HENAN ELECTRICAL CO., LTD. |