CN210807052U - Water cooling system of explosion-proof high-voltage frequency converter for mine - Google Patents
Water cooling system of explosion-proof high-voltage frequency converter for mine Download PDFInfo
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- CN210807052U CN210807052U CN201921751867.5U CN201921751867U CN210807052U CN 210807052 U CN210807052 U CN 210807052U CN 201921751867 U CN201921751867 U CN 201921751867U CN 210807052 U CN210807052 U CN 210807052U
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Abstract
The utility model discloses a water cooling system of a mine explosion-proof high-voltage frequency converter, which comprises an explosion-proof shell, an inner water circulation system, an outer water circulation system, a transformer and a transformer cooling device, wherein the inner water circulation system and the outer water circulation system exchange heat through a water-water heat exchanger; the transformer and the transformer cooling device are arranged in the explosion-proof shell, and a water channel of the transformer cooling device is connected in series with a water channel of the external water circulation system. The utility model discloses arrange the transformer in explosion-proof casing, utilize outer water circulating system to carry out the water-cooling, the water cooling system of mining explosion-proof high-voltage inverter is small, with low costs, transformer cooling effect is good.
Description
[ technical field ]
The utility model relates to a mining explosion-proof high-voltage inverter especially relates to a mining explosion-proof high-voltage inverter's water cooling system.
[ background art ]
The ground factory uses the reliable technology of 10kV frequency converter, unit and transformer all adopt the forced cooling of forced cooling. The size is large, and the coal mine underground coal mine drilling tool cannot be used under coal mines.
The utility model discloses a patent number is CN 201120450183.9's utility model discloses a mining flame proof converter water cooling plant of 3300V, including interior water route, outer water route, water-water heat exchanger, two sets of water routes are through water-water heat exchanger exchange heat, take away the heat in interior water route.
In present mine, 3.3kV explosion-proof high-voltage inverter commonly used, it is 10kV to go into well voltage in fact, still need cooperate the mobile substation during the use, and the transformer for the mobile substation is put in the great buckled plate explosion-proof casing of volume, leans on the air cooling of naturally dispelling the heat, and the cooling effect is poor, the system is bulky, and is with high costs.
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a mining explosion-proof high-voltage inverter's water cooling system small, with low costs, that the transformer cooling effect is good.
In order to solve the technical problem, the utility model adopts the technical scheme that a water cooling system of a mining explosion-proof high-voltage inverter comprises an explosion-proof shell, an inner water circulation system, an outer water circulation system, a transformer and a transformer cooling device, wherein the inner water circulation system and the outer water circulation system exchange heat through a water-water heat exchanger; the transformer and the transformer cooling device are arranged in the explosion-proof shell, and a water channel of the transformer cooling device is connected in series with a water channel of the external water circulation system.
The water cooling system comprises a closed shell, a fan and a hot air water-cooling radiator, wherein the phase-shifting transformer, the fan and the hot air water-cooling radiator are arranged in an air duct in the closed shell, and a water channel of the hot air water-cooling radiator is connected in series in a water channel of an external water circulation system.
In the water cooling system, the water-water heat exchanger is a plate heat exchanger, the external water circulating system comprises an external circulating explosion-proof water pump, an external water radiator, an external circulating water tank and an external water cooling fan, and a water channel of the external water radiator, an external water channel of the plate heat exchanger, a water channel of the hot air water-cooled radiator and the external circulating water tank are sequentially connected in series according to the water flow direction of external water; the water outlet of the external circulation water tank is connected with the water inlet of the external water radiator, and the external water radiator is arranged in the air duct of the external water cooling fan.
In the water cooling system, the external circulation explosion-proof water pump is arranged between the water outlet of the external circulation water tank and the water inlet of the external water radiator.
In the water cooling system, the external water circulation system comprises a water inlet flange interface and a water outlet flange interface; the water inlet flange interface and the water outlet flange interface are arranged on the explosion-proof shell; the water inlet flange interface is connected with a water outlet pipeline of the external water radiator and an external water inlet pipeline of the plate heat exchanger, and the water outlet flange interface is connected with a water outlet pipeline of the hot air water-cooled radiator and a water inlet pipeline of the external circulating water tank.
In the water cooling system, the internal water circulating system comprises the internal circulating water pump and the water cooling device of the frequency converter; the water outlet of the water-water heat exchanger is connected with the water inlet of the frequency converter water cooling device through the internal circulating water pump, and the water outlet of the frequency converter water cooling device is connected with the water inlet of the water-water heat exchanger.
In the water cooling system, the internal water circulation system comprises the buffer tank, the filter and the water replenishing pump, and the filter is arranged between the internal water outlet of the water-water heat exchanger and the inlet of the internal water circulation pump; the buffer tank and the water replenishing pump are respectively connected with a pipeline between an outlet of the internal circulating water pump and a water inlet of the water cooling device of the frequency converter.
The utility model discloses arrange the transformer in explosion-proof casing, utilize outer water circulating system to carry out the water-cooling, the water cooling system of mining explosion-proof high-voltage inverter is small, with low costs, transformer cooling effect is good.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the utility model discloses a water cooling system's of mining explosion-proof high-voltage inverter structural principle diagram.
[ detailed description of the invention ]
The embodiment of the utility model provides a mining explosion-proof high-voltage inverter's water cooling system's structural principle is as shown in figure 1, including explosion-proof casing 100, interior water circulating system, outer water circulating system, move phase transformer 6 and move phase transformer cooling device, interior water circulating system and outer water circulating system exchange heat through plate heat exchanger 7 (water-water heat exchanger). The phase-shifting transformer 6 and the phase-shifting transformer cooling device are installed in the explosion-proof shell 100, and a water path of the phase-shifting transformer cooling device is connected in series with a water path of the external water circulation system.
The internal water circulation system comprises an internal water circulation pump 10, a buffer tank 11, a filter 9, a water replenishing pump 12 and a water cooling device 13 of a frequency converter power unit. The inner water outlet of the plate heat exchanger 7 is connected with the water inlet of the frequency converter power unit water cooling device 13 through the inner circulating water pump 10, and the water outlet of the frequency converter power unit water cooling device 13 is connected with the inner water inlet of the plate heat exchanger 7 to form closed inner water circulation. The heat generated by the frequency converter power unit is taken out by cooling water, hot water is cooled by the water side in the plate heat exchanger 7, and cold water in the plate heat exchanger 7 is sent to a water cooling device 13 of the frequency converter power unit by an internal circulating water pump 10. And completing the circulation of heat dissipation of the frequency converter.
The heat taken away by the internal water circulation system from the water cooling device 13 of the frequency converter power unit completes the heat exchange process in the plate heat exchanger 7 (water-water heat exchanger), and the heat is released to the external water circulation system.
The filter 9 is arranged between the inner water outlet of the plate heat exchanger 7 and the inlet of the inner circulating water pump 10. The buffer tank 11 and the water replenishing pump 12 are respectively connected with a pipeline between the outlet of the internal circulation water pump 10 and the water inlet of the frequency converter power unit water cooling device 13.
The phase-shifting transformer cooling device is a closed air cooling device and comprises a closed shell 5, a fan 14 and a hot air water-cooling radiator 15, wherein the phase-shifting transformer 6, the fan 14 and the hot air water-cooling radiator 15 are arranged in an air duct in the closed shell 5, and a water channel of the hot air water-cooling radiator 15 is connected in series in a water channel of an external water circulation system. The hot air which is phase-shifted and emitted to the transformer 6 blows through the fins of the hot air water cooling radiator 15 through the fan 14, the hot air water cooling radiator 15 takes away heat in the hot air of the transformer, the hot air is cooled to become cold air, and the cold air cools the phase-shifted and emitted to the transformer 6.
The external water circulation system comprises an external circulation explosion-proof water pump 2, an external water radiator 1, an external circulation water tank 3 and an external water cooling fan 16, wherein a water channel of the external water radiator 1, an external water channel of the plate heat exchanger 7, a water channel of the hot air water cooling radiator 15 and the external circulation water tank 3 are sequentially connected in series according to the water flow direction of external water. The water outlet of the external circulating water tank 3 is connected with the water inlet of the external water radiator 1, and the external water radiator 1 is arranged in the air duct of the external water cooling fan 16. The outer circulation explosion-proof water pump 2 is arranged between the water outlet of the outer circulation water tank 3 and the water inlet of the outer water radiator 1.
Cold water of the external water circulation system is changed into hot water after passing through the plate heat exchanger 7 and the phase-shifting transformer cooling device, the hot water enters the external circulation water tank 3, when the hot water discharged from the external circulation water tank 3 passes through the external water radiator 1, the cold water is radiated by cold air of the external water cooling fan 16, the cold water is discharged from the lower part of the external water radiator 1, and then the cold water enters the plate heat exchanger 7.
The external water circulation system also comprises a water inlet flange interface 8 and a water outlet flange interface 4. The water inlet flange interface 8 and the water outlet flange interface 4 are arranged on the explosion-proof shell 100. The water inlet flange interface 8 is connected with a water outlet pipeline of the external water radiator 1 and an external water inlet pipeline of the plate heat exchanger 7, and the water outlet flange interface 4 is connected with a water outlet pipeline of the hot air water-cooling radiator 15 and a water inlet pipeline of the external circulating water tank 3.
The utility model discloses above embodiment will move the phase transformer and arrange in explosion-proof shell, utilize outer water circulating system to carry out the water-cooling, the system is small, with low costs, transformer cooling effect is good.
Claims (7)
1. A water cooling system of a mining explosion-proof high-voltage frequency converter comprises an explosion-proof shell, an inner water circulation system and an outer water circulation system, wherein the inner water circulation system and the outer water circulation system exchange heat through a water-water heat exchanger; the transformer cooling device is characterized by comprising a transformer and a transformer cooling device, wherein the transformer and the transformer cooling device are arranged in an explosion-proof shell, and a water channel of the transformer cooling device is connected in series with a water channel of an external water circulation system.
2. The water cooling system according to claim 1, wherein the transformer is a phase-shifting transformer, the transformer cooling device is a closed air cooling device, and comprises a closed housing, a fan and a hot air and water cooling radiator, the phase-shifting transformer, the fan and the hot air and water cooling radiator are arranged in an air duct in the closed housing, and a water channel of the hot air and water cooling radiator is connected in series with a water channel of the external water circulation system.
3. The water cooling system according to claim 2, wherein the water-water heat exchanger is a plate heat exchanger, the external water circulation system comprises an external circulation explosion-proof water pump, an external water radiator, an external circulation water tank and an external water cooling fan, and a water channel of the external water radiator, an external water channel of the plate heat exchanger, a water channel of the hot air water-cooled radiator and the external circulation water tank are sequentially connected in series in the water flow direction of external water; the water outlet of the external circulation water tank is connected with the water inlet of the external water radiator, and the external water radiator is arranged in the air duct of the external water cooling fan.
4. The water cooling system of claim 3, wherein the external circulation explosion-proof water pump is arranged between the water outlet of the external circulation water tank and the water inlet of the external water radiator.
5. The water cooling system of claim 3, wherein the external water circulation system comprises a water inlet flange interface and a water outlet flange interface; the water inlet flange interface and the water outlet flange interface are arranged on the explosion-proof shell; the water inlet flange interface is connected with a water outlet pipeline of the external water radiator and an external water inlet pipeline of the plate heat exchanger, and the water outlet flange interface is connected with a water outlet pipeline of the hot air water-cooled radiator and a water inlet pipeline of the external circulating water tank.
6. The water cooling system of claim 1, wherein the internal water circulation system comprises an internal water circulation pump and a water cooling device of the frequency converter; the water outlet of the water-water heat exchanger is connected with the water inlet of the frequency converter water cooling device through the internal circulating water pump, and the water outlet of the frequency converter water cooling device is connected with the water inlet of the water-water heat exchanger.
7. The water cooling system of claim 6, wherein the internal water circulation system comprises a buffer tank, a filter and a water replenishing pump, and the filter is arranged between an internal water outlet of the water-water heat exchanger and an inlet of the internal water circulation pump; the buffer tank and the water replenishing pump are respectively connected with a pipeline between an outlet of the internal circulating water pump and a water inlet of the water cooling device of the frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751867.5U CN210807052U (en) | 2019-10-16 | 2019-10-16 | Water cooling system of explosion-proof high-voltage frequency converter for mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751867.5U CN210807052U (en) | 2019-10-16 | 2019-10-16 | Water cooling system of explosion-proof high-voltage frequency converter for mine |
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| CN210807052U true CN210807052U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921751867.5U Active CN210807052U (en) | 2019-10-16 | 2019-10-16 | Water cooling system of explosion-proof high-voltage frequency converter for mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968826A (en) * | 2020-08-14 | 2020-11-20 | 合肥创丰机械有限责任公司 | Complete set of water cooling and heat dissipation system of underground transformer and installation and use method |
-
2019
- 2019-10-16 CN CN201921751867.5U patent/CN210807052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968826A (en) * | 2020-08-14 | 2020-11-20 | 合肥创丰机械有限责任公司 | Complete set of water cooling and heat dissipation system of underground transformer and installation and use method |
| CN111968826B (en) * | 2020-08-14 | 2021-08-31 | 合肥创丰机械有限责任公司 | Complete set of water cooling and heat dissipation system of underground transformer and installation and use method |
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Effective date of registration: 20221125 Address after: 518000 3F, kumak building, Dongzhou community, Guangming Street, Guangming District, Shenzhen, Guangdong Patentee after: Shenzhen kumak Technology Co.,Ltd. Address before: 518000 706, North block, Tairan Cangsong building, Tairan 6th Road, Shatou street, Futian District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Cumark New Technology Co.,Ltd. |