CN211607184U - Cooling system for frequency conversion chamber - Google Patents
Cooling system for frequency conversion chamber Download PDFInfo
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- CN211607184U CN211607184U CN202020110345.3U CN202020110345U CN211607184U CN 211607184 U CN211607184 U CN 211607184U CN 202020110345 U CN202020110345 U CN 202020110345U CN 211607184 U CN211607184 U CN 211607184U
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Abstract
The utility model discloses a cooling system for a frequency conversion chamber, which comprises a frequency conversion chamber, wherein a frequency conversion unit is arranged in the frequency conversion chamber, a hot air cover is arranged above the frequency conversion unit, the upper end of the hot air cover is connected with a hot air pipe, a first air blower is arranged on the hot air pipe, an air-water cooling mechanism is arranged outside the frequency conversion chamber, the air outlet end of the hot air pipe is connected with the air-water cooling mechanism, the air-water cooling mechanism is connected with a cold air pipe, a second air blower is arranged on the cold air pipe, the air outlet end of the cold air pipe is positioned in the frequency conversion chamber and is connected with a cold air branch pipe surrounding the frequency conversion unit, an air outlet is arranged on the cold air branch pipe, the hot air cover is arranged on the frequency conversion unit, the heat generated by the frequency conversion unit can be more quickly led to the air-water cooling mechanism for cooling under the action of the first air blower, the problem of outdoor dust entering caused by a natural air inlet mode is also avoided, and the stable operation of the equipment can be ensured for a long time.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, concretely relates to cooling system for frequency conversion room.
Background
The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device. In the production process of cement, a kiln tail high-temperature fan, a kiln tail exhaust fan, a vertical mill circulating fan, a kiln head exhaust fan and the like are driven by a high-voltage frequency converter to ensure the normal operation of the production process.
High-voltage inverter passes through electronic components at the during operation partial electric energy, electrical equipment (like power unit, isolation transformer, reactor etc.) converts the form of heat energy into and scatters away, consequently high-voltage inverter cooling heat dissipation problem is one of the important links of equipment stability and safe operation, current converter mainly adopts forced air cooling's mode to go on, the indoor hot-blast pipeline of frequency conversion is arranged to outdoor through the pipeline, indoor formation little negative pressure state, outdoor cold air gets into indoorly through door and window, the cooling effect is poor, simultaneously outside this in-process outdoor dust is brought into inside the converter easily, the converter trouble appears easily, lead to equipment to shut down, and then the production of influence cement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cooling system for frequency conversion, it is poor to solve current natural air inlet cooling method cooling effect, and inside outdoor dust brought the converter into easily, the converter trouble appears easily, leads to equipment to shut down, and then influences the problem of the production of cement.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a cooling system for frequency conversion room, includes the frequency conversion room, be equipped with the frequency conversion unit in the frequency conversion room, the top of frequency conversion unit is equipped with hot-blast cover, the upper end of hot-blast cover is connected with the hot-blast main, be equipped with first air-blower on the hot-blast main, the frequency conversion room is equipped with air-water cooling mechanism outward, the air-out end of hot-blast main is connected the upper portion air intake of air-water cooling mechanism, the lower part air outlet of air-water cooling mechanism is connected with the cold air duct, be equipped with the second air-blower on the cold air duct, the air-out end of cold air duct is located in the frequency conversion room and be connected with around frequency conversion unit's cold wind branch pipe, the cold wind branch pipe passes.
The technical scheme is that a first isolation door is arranged on one side of a frequency conversion chamber, an isolation plate is arranged in the frequency conversion chamber on the same side of the first isolation door, a second isolation door is arranged on the isolation plate, and a cold air branch pipe is installed on the isolation plate through a fixing seat.
The further technical proposal is that the air exhaust direction of the air exhaust outlet is arranged obliquely downwards.
According to a further technical scheme, a water drainage groove is formed in the bottom of the frequency conversion chamber and located on the inner side of the isolation plate, and the frequency conversion unit and the ground between the water drainage grooves are obliquely arranged.
According to a further technical scheme, a first filtering mechanism is further arranged on the air cooling pipe between the second air blower and the air cooling mechanism, and the first filtering mechanism comprises a dustproof filter screen and an active carbon adsorption layer.
The technical scheme is that a hot water outlet is formed in the upper portion of the air-water cooling mechanism, a cold water inlet is formed in the lower portion of the air-water cooling mechanism, an air supplementing pipe is further arranged on the upper portion of the air-water cooling mechanism, a second filtering mechanism is arranged on the air supplementing pipe, and the second filtering mechanism comprises a dustproof filter screen and an active carbon adsorption layer.
The air supplementing pipe is further provided with a third air blower between the second filtering mechanism and the air-water cooling mechanism.
The further technical proposal is that the air inlet end of the air supply pipe is provided with an insect-proof net.
Compared with the prior art, the beneficial effects of the utility model are that:
1. set up hot-blast cover on frequency conversion unit, under the effect of first air-blower, can derive the heat that frequency conversion unit produced to the cooling mechanism cooling of air-water cooling more fast, through the heat transfer of air-water cooling mechanism, cold air gets into in the frequency conversion room under the effect of second air-blower, discharges through the air exit around on frequency conversion unit's the cold wind branch pipe, and the cooling effect is good, has also avoided the outdoor dust entering problem that the natural air inlet mode leads to, can guarantee equipment steady operation for a long time.
2. The division board that sets up cooperates the second air-blower, makes the sealed area at frequency conversion unit place be the pressure-fired state, and personnel close first isolation door after getting into first isolation door, opens the second isolation door again, and the influence of bringing into external bad air to equipment when reducing personnel and cominging in and going out guarantees the long-time steady operation of equipment.
3. The first filtering mechanism who sets up guarantees that the air that gets into the frequency conversion room is clean, avoids in the dust can debris get into the frequency conversion room, guarantees the long-time steady operation of equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the present invention is: a cooling system for a frequency conversion chamber comprises a frequency conversion chamber 1, wherein a frequency conversion unit 2 is arranged in the frequency conversion chamber 1, a hot air cover 3 is arranged above the frequency conversion unit 2, the upper end of the hot air cover 3 is connected with a hot air pipe 4, a first air blower 5 is arranged on the hot air pipe 4, an air-water cooling mechanism 6 is arranged outside the frequency conversion chamber 1, the air outlet end of the hot air pipe 4 is connected with the upper air inlet of the air-water cooling mechanism 6, the lower air outlet of the air-water cooling mechanism 6 is connected with a cold air pipe 7, a second air blower 8 is arranged on the cold air pipe 7, the air outlet end of the cold air pipe 7 is positioned in the frequency conversion chamber 1 and is connected with a cold air branch pipe 9 surrounding the frequency conversion unit 2, the cold air branch pipe 9 is annularly installed on the inner wall of the lower part of the frequency conversion chamber 1 through a fixing seat 10, an air outlet 11 is arranged on the cold air branch pipe 9, and the air outlet 11 is obliquely and downwards arranged in the air exhaust direction.
Set up hot-blast cover on frequency conversion unit, under the effect of first air-blower 5, can derive the heat that frequency conversion unit produced to the cooling mechanism cooling of air-water sooner, after the heat transfer of air-water cooling mechanism, cold air gets into in frequency conversion room 1 under the effect of second air-blower 8, discharge through air exit 11 on the cold wind branch pipe 9 around frequency conversion unit 2, the cooling effect is good, outdoor dust that also avoided the natural air inlet mode to lead to gets into the problem, can guarantee equipment steady operation for a long time.
On the basis of the above embodiment, a first isolation door 12 is arranged on one side of the frequency conversion chamber 1, an isolation plate 13 is arranged in the frequency conversion chamber 1 on the same side as the first isolation door 12, a second isolation door (not shown in the figure) is arranged on the isolation plate 13, and the cold air branch pipe 9 is installed on the isolation plate 13 through a fixing seat 10.
The division board 13 that sets up, cooperation second air-blower 8 makes the sealed area at frequency conversion unit place be the pressure-fired state, and personnel close first isolation door 12 after entering first isolation door 12, open the second isolation door again, and the influence of bringing into external bad air to equipment when reducing personnel and cominging in and going out guarantees the long-time steady operation of equipment.
On the basis of the above embodiment, the bottom of the frequency conversion chamber 1 is provided with the water drainage groove 15, the water drainage groove 15 is positioned on the inner side of the isolation plate 13, and the ground between the frequency conversion unit 2 and the water drainage groove 15 is obliquely arranged.
The arranged drainage channel is convenient for discharging sundries such as sewage and the like when cleaning the indoor sanitation.
On the basis of the above embodiment, a first filtering mechanism 16 is further arranged on the cold air pipe 7 between the second air blower 8 and the air-water cooling mechanism 6, and the first filtering mechanism 16 includes a dustproof filter screen and an activated carbon adsorption layer.
Specifically, the dustproof filter screen is arranged at one side close to the air-water cooling mechanism 6.
The first filtering mechanism 16 ensures that air entering the frequency conversion chamber 1 is clean, prevents dust from entering the frequency conversion chamber 1, and ensures long-time stable operation of equipment.
On the basis of the above embodiment, the upper portion of the air-water cooling mechanism 6 is provided with a hot water outlet 17, the lower portion of the air-water cooling mechanism 6 is provided with a cold water inlet 18, the upper portion of the air-water cooling mechanism 6 is also provided with an air supplementing pipe 19, the air supplementing pipe 19 is provided with a second filtering mechanism 20, and the second filtering mechanism 20 comprises a dustproof filter screen and an activated carbon adsorption layer.
Specifically, the activated carbon adsorption layer is arranged on one side close to the air-water cooling mechanism 6.
In order to ensure that the air-water cooling mechanism is always in a micro-positive pressure state in the frequency conversion chamber 1, the air supplementing pipe 19 is arranged to ensure sufficient air supply, and meanwhile, the second filtering mechanism is arranged to ensure that the air entering the air-water cooling mechanism 6 is clean and the air-water cooling mechanism stably runs.
In addition to the above embodiments, a third blower 21 is further provided between the second filtering means 20 and the air-water cooling means 6 in the air supply duct 19.
The third blower 21 is provided to actively supply air to the air-water cooling mechanism 6 as necessary to maintain the micro-positive pressure state in the inverter chamber 1.
On the basis of the above embodiment, the air inlet end of the air supply pipe 19 is provided with the insect-proof net 22.
The insect-proof net 22 is arranged to avoid the invasion of small insects, which is beneficial to prolonging the service life of the second filtering mechanism 20.
The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a cooling system for frequency conversion room (1), includes frequency conversion room (1), be equipped with frequency conversion unit (2) in frequency conversion room (1), its characterized in that: a hot air cover (3) is arranged above the frequency conversion unit (2), the upper end of the hot air cover (3) is connected with a hot air pipe (4), a first air blower (5) is arranged on the hot air pipe (4), a water cooling mechanism (6) is arranged outside the frequency conversion chamber (1), the air outlet end of the hot air pipe (4) is connected with the upper air inlet of the air-water cooling mechanism (6), an air outlet at the lower part of the air-water cooling mechanism (6) is connected with a cold air pipe (7), a second air blower (8) is arranged on the cold air pipe (7), the air outlet end of the cold air pipe (7) is positioned in the frequency conversion chamber (1) and is connected with a cold air branch pipe (9) surrounding the frequency conversion unit (2), the cold air branch pipe (9) is annularly installed on the inner wall of the lower portion of the frequency conversion chamber (1) through the fixing seat (10), and an air outlet (11) is formed in the cold air branch pipe (9).
2. A cooling system for a variable frequency chamber (1) according to claim 1, characterized in that: one side of frequency conversion room (1) is equipped with first insulated door (12), with be equipped with division board (13) in the frequency conversion room (1) of the same one side of first insulated door (12), the second insulated door has been seted up on division board (13), cold wind branch pipe (9) are installed through fixing base (10) on division board (13).
3. A cooling system for a variable frequency chamber (1) according to claim 1 or 2, characterized in that: the air exhaust direction of the air exhaust port (11) is obliquely arranged downwards.
4. A cooling system for a variable frequency chamber (1) according to claim 2, characterized in that: the bottom of frequency conversion room (1) is equipped with water drainage tank (15), water drainage tank (15) are located the inboard of division board (13), frequency conversion unit (2) with the ground slope between water drainage tank (15) sets up.
5. A cooling system for a variable frequency chamber (1) according to claim 1, characterized in that: the air cooling pipe (7) is positioned between the second air blower (8) and the air-water cooling mechanism (6), and a first filtering mechanism (16) is further arranged between the second air blower (8) and the air-water cooling mechanism, wherein the first filtering mechanism (16) comprises a dustproof filter screen and an active carbon adsorption layer.
6. A cooling system for a variable frequency chamber (1) according to claim 1, characterized in that: the upper portion of air-water cooling mechanism (6) is equipped with hot water export (17), the lower part of air-water cooling mechanism (6) is equipped with cold water entry (18), the upper portion of air-water cooling mechanism (6) still is equipped with air supplement pipe (19), be equipped with second filtering mechanism (20) on air supplement pipe (19), second filtering mechanism (20) are including dustproof filter screen and active carbon adsorption layer.
7. Cooling system for a variable frequency chamber (1) according to claim 6, characterized in that: and a third air blower (21) is also arranged between the second filtering mechanism (20) and the air-water cooling mechanism (6) on the air supplementing pipe (19).
8. Cooling system for a variable frequency chamber (1) according to claim 6, characterized in that: and an air inlet end of the air supplementing pipe (19) is provided with an insect-proof net (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020110345.3U CN211607184U (en) | 2020-01-18 | 2020-01-18 | Cooling system for frequency conversion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020110345.3U CN211607184U (en) | 2020-01-18 | 2020-01-18 | Cooling system for frequency conversion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211607184U true CN211607184U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020110345.3U Active CN211607184U (en) | 2020-01-18 | 2020-01-18 | Cooling system for frequency conversion chamber |
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| Country | Link |
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| CN (1) | CN211607184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432474A (en) * | 2021-07-06 | 2021-09-24 | 宋玉峰 | Motor frequency converter with heat energy recovery mechanism and use method thereof |
-
2020
- 2020-01-18 CN CN202020110345.3U patent/CN211607184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432474A (en) * | 2021-07-06 | 2021-09-24 | 宋玉峰 | Motor frequency converter with heat energy recovery mechanism and use method thereof |
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