CN210128632U - Internal circulation cooling system - Google Patents
Internal circulation cooling system Download PDFInfo
- Publication number
- CN210128632U CN210128632U CN201920119386.6U CN201920119386U CN210128632U CN 210128632 U CN210128632 U CN 210128632U CN 201920119386 U CN201920119386 U CN 201920119386U CN 210128632 U CN210128632 U CN 210128632U
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- Prior art keywords
- water
- frequency converter
- heat exchanger
- cooling system
- cooling heat
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
The utility model discloses an internal circulation cooling system, which comprises a frequency converter arranged in a frequency converter chamber; a fan is arranged on the top of the frequency converter; an internal circulating cooling system is installed in the frequency converter chamber; the internal circulation cooling system comprises a water cooling heat exchanger, an axial flow fan arranged on the outer side of the water cooling heat exchanger, and a circulation cooling water source connected with the water cooling heat exchanger through a circulation water pipeline; an air outlet of a fan of the frequency converter is connected with an air inlet of the axial flow fan through a ventilation pipeline; the air outlet of the axial flow fan is communicated with the air inlet of the water cooling heat exchanger; the utility model discloses an interior circulative cooling system eliminates the indoor negative pressure environment of converter to effectively reduce the indoor temperature of converter, solve dust, temperature to the influence of converter operation, reduce the converter fault rate, improve converter operating stability, reduce energy resource consumption simultaneously.
Description
Technical Field
The utility model relates to an inner loop cooling system belongs to converter room indirect heating equipment technical field.
Background
The place for storing the high-low voltage frequency converter requires good dustproof effect and certain ventilation condition; the common measure for cooling the frequency converter in the frequency converter room is that an air conditioner is installed in a place for storing the frequency converter, the indoor environment is cooled through the air conditioner, and heat generated by the working of the frequency converter is discharged through a cabinet top fan of a frequency converter cabinet, so that the purpose of cooling is achieved; by observation, the above-mentioned cooling method has problems as follows: 1) negative pressure is formed between the field environment and the outdoor environment, and external dust easily enters, so that the operation of the frequency converter is unstable; 2) air convection exists between the indoor and outdoor sides of the frequency converter, the cooling effect is poor, the operating temperature of the frequency converter is required to be 20-35 ℃, when the set temperature of the air conditioner is 16 ℃, the indoor temperature of the frequency converter can reach 42 ℃ in summer, the normal operation of the frequency converter cannot be ensured, and electric energy is wasted; 3) the frequency converter room air conditioner is in full load operation for a long time, the service life is short, and the maintenance cost of the air conditioner is high. Therefore, in order to solve the above problems, it is highly desirable to design an internal circulation cooling system.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an inner loop cooling system eliminates the indoor negative pressure environment of converter to effectively reduce the indoor temperature of converter, solve dust, temperature to the influence of converter operation, reduce the converter fault rate, improve converter operating stability, reduce energy resource consumption simultaneously.
The internal circulation cooling system of the utility model comprises a frequency converter arranged in a frequency converter chamber; a fan is arranged on the top of the frequency converter; an internal circulating cooling system is installed in the frequency converter chamber; the internal circulation cooling system comprises a water cooling heat exchanger, an axial flow fan arranged on the outer side of the water cooling heat exchanger, and a circulation cooling water source connected with the water cooling heat exchanger through a circulation water pipeline, wherein an outlet of a water source of the water cooler heat exchanger is connected with an inlet of an underground water source, so that the water source can form circulation, and the quantity of circulation water is determined according to the heat exchange quantity; an air outlet of a fan of the frequency converter is connected with an air inlet of the axial flow fan through a ventilation pipeline; the air outlet of the axial flow fan is communicated with the air inlet of the water cooling heat exchanger; the air outlet of the water cooling heat exchanger is open and faces the frequency converter; a water pipe with a disc-shaped structure is arranged in the water cooling heat exchanger; a water inlet and a water outlet of the water pipe are respectively connected with a circulating water pipeline; and the circulating water pipeline is provided with a water circulating pump.
In a preferred embodiment, the circulating cooling water source is a ground water source, and the frequency converter chamber is built near the ground water source.
In a preferred embodiment, the ventilation opening of the frequency converter chamber is provided with a sealing cover, the ventilation opening of the frequency converter chamber is sealed, air convection and heat exchange with the external environment are reduced, and dust can be prevented from entering.
As a preferable embodiment, the circulating water pipeline is a rubber plastic pipe and can play a role in heat preservation.
As a preferred embodiment, the outer wall of the frequency converter chamber is provided with a heat insulation plate, and the outer wall of the frequency converter chamber is provided with the heat insulation plate for heat insulation, so that heat exchange with the external environment is reduced.
In a preferred embodiment, the air outlet of the water-cooling heat exchanger is provided with an air purifier.
Furthermore, the water cooling heat exchanger is arranged outside the frequency converter, an air inlet of the water cooling heat exchanger is communicated with an air outlet of the axial flow fan through an air inlet pipe, and an air outlet pipe is arranged at the air outlet of the water cooling heat exchanger; the air outlet pipe penetrates through the frequency converter chamber and extends to the outer side of the frequency converter.
Compared with the prior art, the utility model discloses an inner circulation cooling system can reduce the dust and get into, standardizes the arrangement to the air current of its cabinet top output of converter, reduces the inside and outside pressure differential in place, prevents the entering of external dust, reduces equipment failure rate, improves efficiency; the influence of condensed water generated by an air conditioner on the operation of equipment in the prior art is avoided, the heat exchanger of the water cooler adopts an external mode, so that an electrical accident caused by leakage of a water pipeline is prevented, and condensed water of a ventilator in a cooling mode of a central air conditioner is prevented from dripping on the cabinet body, so that the condensed water is collected and then seeps into electrical elements inside the cabinet body along the gap of the cabinet body; the maintenance complexity and maintenance cost of the refrigeration system are reduced, the air conditioner has poor refrigeration effect, and needs to be maintained regularly by professional personnel, the maintenance is more complex, the refrigeration effect is reduced after the maintenance, and the maintenance cost is higher; the running cost is low, the energy consumption of the internal circulation cooling system is about 30% -50% lower than that of an electric air conditioner with the same refrigerating capacity.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
The parts in the drawings are marked as follows: 1-a frequency converter chamber, 2-a frequency converter, 3-a fan, 4-a water cooling heat exchanger, 5-an axial flow fan, 6-a circulating water pipeline, 7-a circulating cooling water source, 8-a ventilating pipeline, 9-a water pipe, 10-a water circulating pump, 11-a heat insulation board, 12-an air inlet pipe and 13-an air outlet pipe.
Detailed Description
Example 1:
the internal circulation cooling system shown in fig. 1 includes a frequency converter 2 disposed in a frequency converter room 1; a fan 3 is arranged on the top of the frequency converter 2; an internal circulating cooling system is arranged in the frequency converter chamber 1; the internal circulation cooling system comprises a water cooling heat exchanger 4, an axial flow fan 5 arranged on the outer side of the water cooling heat exchanger 4, and a circulation cooling water source 7 connected with the water cooling heat exchanger 4 through a circulation water pipeline 6; an air outlet of a fan 3 of the frequency converter 2 is connected with an air inlet of an axial flow fan 5 through a ventilation pipeline 8; the air outlet of the axial flow fan 5 is communicated with the air inlet of the water cooling heat exchanger 4; the air outlet of the water cooling heat exchanger 4 is open and faces the frequency converter 2; a water pipe 9 with a disc-shaped structure is arranged in the water cooling heat exchanger 4; a water inlet and a water outlet of the water pipe 9 are respectively connected with the circulating water pipeline 6; and a water circulating pump 10 is installed on the circulating water pipeline 6.
The circulating cooling water source 7 is an underground water source, and the frequency converter chamber 1 is built nearby the underground water source.
A sealing cover (not shown) is attached to the ventilation opening of the inverter chamber 1.
The circulating water pipeline 6 is a rubber-plastic pipe.
And the outer wall of the frequency converter chamber 1 is provided with an insulation board 11.
An air cleaner (not shown) is installed at an air outlet of the water-cooling heat exchanger 4.
Example 2:
as shown in fig. 2, the internal circulation cooling system has a structure substantially the same as that of embodiment 1, wherein the water-cooled heat exchanger 4 is installed outside the inverter room 1, an air inlet of the water-cooled heat exchanger 4 is communicated with an air outlet of the axial flow fan 5 through an air inlet pipe 12, and an air outlet pipe 13 is installed at an air outlet of the water-cooled heat exchanger 4; the air outlet pipe 13 extends to the outside of the frequency converter 2 through the frequency converter chamber 1.
The internal circulation cooling system of the utility model can reduce the dust entering, and can carry out the standard arrangement on the airflow output by the top of the frequency converter, thereby reducing the pressure difference between the inside and the outside of the place, preventing the entering of the external dust, reducing the failure rate of the equipment and improving the efficiency; the influence of condensed water generated by an air conditioner on the operation of equipment in the prior art is avoided, the heat exchanger of the water cooler adopts an external mode, so that an electrical accident caused by leakage of a water pipeline is prevented, and condensed water of a ventilator in a cooling mode of a central air conditioner is prevented from dripping on the cabinet body, so that the condensed water is collected and then seeps into electrical elements inside the cabinet body along the gap of the cabinet body; the maintenance complexity and maintenance cost of the refrigeration system are reduced, the air conditioner has poor refrigeration effect, and needs to be maintained regularly by professional personnel, the maintenance is more complex, the refrigeration effect is reduced after the maintenance, and the maintenance cost is higher; the running cost is low, the energy consumption of the internal circulation cooling system is about 30% -50% lower than that of an electric air conditioner with the same refrigerating capacity.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (7)
1. An internal circulation cooling system comprises a frequency converter arranged in a frequency converter chamber; a fan is arranged on the top of the frequency converter; the method is characterized in that: an internal circulating cooling system is installed in the frequency converter chamber; the internal circulation cooling system comprises a water cooling heat exchanger, an axial flow fan arranged on the outer side of the water cooling heat exchanger, and a circulation cooling water source connected with the water cooling heat exchanger through a circulation water pipeline; an air outlet of a fan of the frequency converter is connected with an air inlet of the axial flow fan through a ventilation pipeline; the air outlet of the axial flow fan is communicated with the air inlet of the water cooling heat exchanger; the air outlet of the water cooling heat exchanger is open and faces the frequency converter; a water pipe with a disc-shaped structure is arranged in the water cooling heat exchanger; a water inlet and a water outlet of the water pipe are respectively connected with a circulating water pipeline; and the circulating water pipeline is provided with a water circulating pump.
2. The internal circulation cooling system according to claim 1, wherein: the circulating cooling water source is an underground water source, and the frequency converter chamber is built nearby the underground water source.
3. The internal circulation cooling system according to claim 1, wherein: and a sealing cover is arranged at the ventilation opening of the frequency converter chamber.
4. The internal circulation cooling system according to claim 1, wherein: the circulating water pipeline is a rubber-plastic pipe.
5. The internal circulation cooling system according to claim 1, wherein: and the outer wall of the frequency converter chamber is provided with an insulation board.
6. The internal circulation cooling system according to claim 1, wherein: and an air purifier is arranged at an air outlet of the water cooling heat exchanger.
7. The internal circulation cooling system according to claim 1, wherein: the water cooling heat exchanger is arranged outside the frequency converter, an air inlet of the water cooling heat exchanger is communicated with an air outlet of the axial flow fan through an air inlet pipe, and an air outlet pipe is arranged at the air outlet of the water cooling heat exchanger; the air outlet pipe penetrates through the frequency converter chamber and extends to the outer side of the frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119386.6U CN210128632U (en) | 2019-01-24 | 2019-01-24 | Internal circulation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119386.6U CN210128632U (en) | 2019-01-24 | 2019-01-24 | Internal circulation cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210128632U true CN210128632U (en) | 2020-03-06 |
Family
ID=69660804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920119386.6U Expired - Fee Related CN210128632U (en) | 2019-01-24 | 2019-01-24 | Internal circulation cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210128632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112236003A (en) * | 2020-10-14 | 2021-01-15 | 合肥泰禾光电科技股份有限公司 | A mix refrigerating plant and system for sorter |
-
2019
- 2019-01-24 CN CN201920119386.6U patent/CN210128632U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112236003A (en) * | 2020-10-14 | 2021-01-15 | 合肥泰禾光电科技股份有限公司 | A mix refrigerating plant and system for sorter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 |
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| CF01 | Termination of patent right due to non-payment of annual fee |