CN212899038U - Auxiliary heat dissipation device for heat pipe of mining explosion-proof frequency converter - Google Patents
Auxiliary heat dissipation device for heat pipe of mining explosion-proof frequency converter Download PDFInfo
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- CN212899038U CN212899038U CN202020761585.XU CN202020761585U CN212899038U CN 212899038 U CN212899038 U CN 212899038U CN 202020761585 U CN202020761585 U CN 202020761585U CN 212899038 U CN212899038 U CN 212899038U
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Abstract
The utility model provides a supplementary heat abstractor of mining flame proof converter heat pipe, dryer including both ends open-ended cavity cylinder, the fixed flame proof motor of middle part in locating above-mentioned dryer, fixed locate on the dryer and one end stretch out the spool of walking outside the dryer, the fixed above-mentioned explosion-proof terminal box who is used for flame proof motor external power supply on walking the spool and stretching out to serve of locating, locate in the dryer and the impeller of being connected with flame proof motor drive, the fixed installation foot of locating the dryer lower extreme, respectively fix 2 ring flanges of locating on dryer both ends opening position, and the fixed protection casing of locating on the outer terminal surface of ring flange near the impeller. The utility model discloses simple to operate sets up one during the use and can satisfy the supplementary heat dissipation needs of heat pipe radiator of the mining flame proof converter of well high-power, can effectively solve among the prior art need adopt the cost that many supplementary radiating electric fans brought higher, the consumption is great, whole efficiency is lower, the inconvenient scheduling technical problem of field installation.
Description
Technical Field
The utility model relates to an overheat protection device technical field of well high-power mining converter, concretely relates to supplementary heat abstractor of mining flame proof converter heat pipe.
Background
The mining explosion-proof frequency converter needs explosion prevention due to the use environment, so circuit components of the mining explosion-proof frequency converter are basically arranged in an explosion-proof type explosion-proof cavity, air can not flow freely, when the mining explosion-proof frequency converter is used, a large amount of heat can be generated when the mining explosion-proof frequency converter works, such as an inverter module, a rectifier module, a high-power switching device and the like, so that the mining explosion-proof frequency converter is heated automatically, therefore, in order to ensure the safe and reliable operation of the mining explosion-proof frequency converter, the mining explosion-proof frequency converter must be provided with a heat dissipation device for heat dissipation when the mining explosion-proof frequency converter works, at present, the mining explosion-proof frequency converter mainly adopts a heat pipe radiator which is arranged together with the mining explosion-proof frequency converter for heat dissipation, but for the mining explosion-proof frequency converter with medium and high power, therefore, the current popular way is to arrange a plurality of electric fans around the mining explosion-proof frequency converter and the heat pipe radiator to simultaneously blow air for auxiliary heat dissipation, and the existing problems are as follows: the multiple auxiliary heat-dissipation electric fans are high in cost, high in power consumption, low in overall efficiency and inconvenient to install on site. Therefore, it is necessary to develop a more suitable device for auxiliary heat dissipation of a heat pipe of a frequency converter for mining.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: aiming at the problems in the prior art, the auxiliary heat dissipation device for the heat pipe of the mining explosion-proof frequency converter is used for improving the heat dissipation performance of a heat pipe radiator and meeting the heat dissipation requirement of the mining explosion-proof frequency converter with medium and high power.
The technical scheme of the utility model is that: the utility model discloses a supplementary heat abstractor of mining flame proof converter heat pipe, its structural feature is: including the dryer of both ends open-ended cavity cylinder, the fixed flame proof motor of middle part in locating above-mentioned dryer, fixed locate on the dryer and one end stretch out the spool of walking outside the dryer, fixed locate above-mentioned walk that the spool stretches out the explosion-proof terminal box that is used for the external power supply of flame proof motor on the end, locate in the dryer and with the impeller of flame proof motor transmission connection, the fixed installation foot of locating the dryer lower extreme, 2 ring flanges on the opening position are fixed respectively to locate on the dryer both ends opening position, and the fixed protection casing of locating on the outer terminal surface of ring flange near the impeller.
The further scheme is as follows: the upper end middle part of above-mentioned dryer is equipped with walks the spool and passes the spool through hole, and the above-mentioned spool of walking that walks the spool and pass the spool through hole and dryer sealing fixed connection, and the wall thickness of dryer is 5mm, and the material of dryer is the carbon steel.
The further scheme is as follows: above-mentioned impeller includes wheel hub and 6 blades, and above-mentioned wheel hub is the circular shape structure for the periphery wall, and 6 even interval welding of blade locate on wheel hub's periphery wall.
The further scheme is as follows: the clearance between the outer edge of each blade and the inner wall of the air duct is not more than 10 mm.
The further scheme is as follows: the shape of the blade is wide blade and large chord length blade, and the material of the blade is Q235 steel plate.
The further scheme is as follows: the lower end of the air duct is fixedly welded with 2 mounting feet, bolt holes for mounting connection are formed in the mounting feet, the 2 mounting feet are fixedly connected with a frame of the mining explosion-proof frequency converter through bolts during use, and a flange plate far away from the impeller is fixedly connected with a shell of the heat pipe radiator through bolts.
The further scheme is as follows: the explosion-proof motor is a three-phase asynchronous explosion-proof motor, the explosion-proof motor is provided with a three-phase power line, and the three-phase power line of the explosion-proof motor is electrically connected with a special cable for a coal mine through a wiring pipe and an explosion-proof junction box during installation.
The utility model discloses has positive effect: the utility model discloses a supplementary heat abstractor of mining flame proof converter heat pipe, it is through overall structure's design, make it be convenient for at the heat pipe radiator limit fixed mounting of mining flame proof converter, set up the heat pipe radiator auxiliary heat dissipation needs that a high-power mining flame proof converter in can satisfying during the use, need adopt among the prior art that the cost that many auxiliary heat dissipation's electric fans brought is higher, the consumption is great, overall efficiency is lower, the inconvenient technical problem of field installation.
Drawings
FIG. 1 is a schematic structural view of the present invention, in which a protective cover is partially omitted;
FIG. 2 is a schematic view of the structure of FIG. 1 with the protective cover removed;
fig. 3 is a sectional view taken along line a-a of fig. 2.
The reference numbers in the above figures are as follows:
the explosion-proof fan comprises an air duct 1, an explosion-proof motor 2, a routing pipe 3, an explosion-proof junction box 4, an impeller 5, a hub 5-1, blades 5-2, mounting feet 6, a flange 7, a first flange 7-1, a second flange 7-2 and a protective cover 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
(example 1)
Referring to fig. 1 to 3, the auxiliary heat dissipation device for the heat pipe of the mining explosion-proof frequency converter of the embodiment mainly comprises an air duct 1, an explosion-proof motor 2, a routing pipe 3, an explosion-proof junction box 4, an impeller 5, a mounting pin 6, a flange 7 and a protective cover 8.
Dryer 1 is both ends open-ended hollow cylindrical structure, and the upper end middle part of dryer 1 is equipped with the wire tube and passes through the hole, and in this embodiment, the preferred carbon steel of material of dryer 1, the preferred 5mm of wall thickness of dryer 1.
The explosion-proof motor 2 is a three-phase asynchronous explosion-proof motor, and the explosion-proof motor 2 is fixedly arranged in the middle of the air duct 1. The wiring pipe 3 is a hollow pipe body, the wiring pipe 3 and the wiring pipe of the air duct 1 are matched and sealed and fixedly arranged on the air duct 1 through holes, the outer end of the wiring pipe 3 extends out of the air duct 1, the upper end of the wiring pipe 3 is fixedly connected with the explosion-proof junction box 4 and communicated with the inside of the explosion-proof junction box 4, and a three-phase power line of the explosion-proof motor 2 is electrically connected with a coal mine special cable through the wiring pipe 3 and the explosion-proof junction box 4.
The impeller 5 is arranged in the air duct 1, the impeller 5 mainly comprises a hub 5-1 and 6 blades 5-2, the hub 5-1 is a structural member with a circular outer peripheral wall, the 6 blades 5-2 are uniformly welded on the outer peripheral wall of the hub 5-1 at intervals, the blades 5-2 are preferably in the shape of wide blades and large chord length blades, and the blades 5-2 are preferably made of Q235 steel plates; the clearance between the outer edge of each blade 5-2 and the inner wall of the air duct 1 is not more than 10mm, the impeller 5 is in transmission connection with the explosion-proof motor 2 through the hub 5-1 of the impeller, and the hub 5-1 is driven by the explosion-proof motor 2 to drive the blades 5-2 to rotate when the explosion-proof fan is used.
The mounting feet 6 are L-shaped plate bodies formed by integrating or fixedly connecting vertical plates and transverse plates, and bolt holes for mounting and fixing are arranged on the transverse plates of the mounting feet 6. The lower end of the 6 air ducts 1 of installation foot is welded and fixed and is set 2.
The number of the flange plates 7 is 2, the flange plates are respectively a first flange plate 7-1 and a second flange plate 7-2, and the 2 flange plates 7 are respectively fixedly welded on two end openings of the air duct 1. The protective cover 8 is a grid type metal grid cover, the protective cover 8 is fixedly arranged on the outer end face of the first flange 7-1, and the protective cover 8 plays a role in preventing foreign matters and collision when in use, so that the working safety and reliability of the device are improved. The second flange 7-2 is used for fixedly connecting with the shell of the heat pipe radiator when the device is used. The port of the air duct 1 provided with the first flange 7-1 is an air inlet in use, and the port of the air duct 1 provided with the second flange 7-2 is an air outlet in use.
When the auxiliary heat dissipation device for the heat pipe of the mining explosion-proof frequency converter is used, the mounting feet 2 are fixedly mounted on the frame of the mining explosion-proof frequency converter through bolts 6 and located on one side of the heat pipe radiator for heat dissipation of the mining explosion-proof frequency converter, and the mounting feet are fixedly connected with the shell of the heat pipe radiator through the second flange 7-2, so that the device, the mining explosion-proof frequency converter and the heat pipe radiator form a whole body and the mounting is convenient. When the device is used, the explosion-proof motor 2 of the device is connected with electricity to work, the impeller 5 is driven to rotate, cold air enters from the air inlet of the device, air flow is directly blown to the shell of the heat pipe radiator from the air outlet, the heat of the heat pipe radiator is assisted, and the heat dissipation efficiency of the heat pipe radiator is improved. Practical application verifies that the heat dissipation requirement of the medium-high power mining explosion-proof frequency converter can be met by adopting one device, so that the technical problems that multiple auxiliary heat dissipation electric fans are high in cost, high in power consumption, low in overall efficiency, inconvenient to install on site and the like in the prior art can be effectively solved.
The above embodiments are illustrative of the specific embodiments of the present invention, but not limiting to the present invention, and those skilled in the relevant art can also make various changes and modifications to obtain the equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should fall under the protection scope of the present invention.
Claims (7)
1. The utility model provides a supplementary heat abstractor of mining flame proof converter heat pipe which characterized in that: including the dryer of both ends open-ended cavity cylinder, fixed locating the flame proof motor of middle part in the dryer, fixed locate on the dryer and one end stretch out in the outer line pipe of walking of dryer, fixed locating walk the explosion-proof terminal box that is used for the external power supply of flame proof motor on the line pipe stretches out the end, locate in the dryer and with the impeller that the flame proof motor transmission is connected, the fixed installation foot of locating the dryer lower extreme, respectively fixed 2 ring flanges of locating on the dryer both ends opening position to and the fixed protection casing of locating on the outer terminal surface of ring flange near the impeller.
2. The mining flameproof frequency converter heat pipe auxiliary heat dissipation device of claim 1, characterized in that: the air duct is characterized in that a wiring pipe through hole is formed in the middle of the upper end of the air duct, the wiring pipe penetrates through the wiring pipe through hole of the air duct and is fixedly connected with the air duct in a sealing mode, the wall thickness of the air duct is 5mm, and the air duct is made of carbon steel.
3. The mining flameproof frequency converter heat pipe auxiliary heat dissipation device of claim 1, characterized in that: the impeller includes wheel hub and 6 blades, wheel hub is the circular shape structure for the periphery wall, and the even interval welding of 6 blades is located on wheel hub's periphery wall.
4. The mining flame-proof frequency converter heat pipe auxiliary heat dissipation device of claim 3, characterized in that: and the clearance between the outer edge of each blade and the inner wall of the air duct is not more than 10 mm.
5. The mining flame-proof frequency converter heat pipe auxiliary heat dissipation device of claim 3, characterized in that: the shape of the blade is wide blade and large chord length blade shape, and the material of the blade is Q235 steel plate.
6. The mining flameproof frequency converter heat pipe auxiliary heat dissipation device of claim 1, characterized in that: the mounting feet are fixedly welded at the lower end of the air duct, 2 bolt holes for mounting connection are formed in the mounting feet, the 2 mounting feet are fixedly connected with a rack of the mining explosion-proof frequency converter through bolts during use, and the flange plate far away from the impeller is fixedly connected with a shell of the heat pipe radiator through bolts.
7. The auxiliary heat dissipation device for the heat pipe of the mining explosion-proof frequency converter according to any one of claims 1 to 6, is characterized in that: the explosion-proof motor is a three-phase asynchronous explosion-proof motor, the explosion-proof motor is provided with a three-phase power line, and the three-phase power line of the explosion-proof motor is electrically connected with a special cable for a coal mine through a wiring pipe and an explosion-proof junction box during installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761585.XU CN212899038U (en) | 2020-05-09 | 2020-05-09 | Auxiliary heat dissipation device for heat pipe of mining explosion-proof frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761585.XU CN212899038U (en) | 2020-05-09 | 2020-05-09 | Auxiliary heat dissipation device for heat pipe of mining explosion-proof frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899038U true CN212899038U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020761585.XU Active CN212899038U (en) | 2020-05-09 | 2020-05-09 | Auxiliary heat dissipation device for heat pipe of mining explosion-proof frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899038U (en) |
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2020
- 2020-05-09 CN CN202020761585.XU patent/CN212899038U/en active Active
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