CN211509658U - Cooling device of wind power generation power unit cabinet - Google Patents
Cooling device of wind power generation power unit cabinet Download PDFInfo
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- CN211509658U CN211509658U CN202020080917.8U CN202020080917U CN211509658U CN 211509658 U CN211509658 U CN 211509658U CN 202020080917 U CN202020080917 U CN 202020080917U CN 211509658 U CN211509658 U CN 211509658U
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- power unit
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- unit cabinet
- refrigerant
- trunk line
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Abstract
The utility model relates to a cooling device of wind power generation power unit rack solves among the prior art wind power generation power unit rack and sends out the state under full, and the problem of power unit cooling demand can't be satisfied to the water-cooling system. This device includes the trunk line, and wherein the trunk line upper end is fixed on the little circular through-hole at power unit rack top, and the lower extreme is fixed on the great circular through-hole of power unit rack bottom, the trunk line with the inner chamber of power unit rack forms annular passage, and the refrigerant through-hole is seted up to the trunk line lower part, and in cold air passed through the refrigerant through-hole and discharged into the power unit rack with the help of the trunk line, still was equipped with the pressure release solenoid valve on the trunk line, does not carry out inside transformation to the power unit rack, and the effect of dual cooling is reached in the original water-cooling heat dissipation.
Description
Technical Field
The utility model relates to a wind power generation field, concretely relates to wind generating set cooling device.
Background
Among the prior art, the main cooling method of the converter that wind generating set used is the water-cooling type, and the phenomenon can appear high temperature when the converter is big wind full power operation, and high temperature can make electrical components performance inefficacy, and job stabilization nature worsens leads to the shut down phenomenon, causes the unit availability to reduce, can appear exploding the machine phenomenon even when serious, brings very serious economic loss, and wherein the converter overtemperature phenomenon is the general phenomenon that the wind-powered electricity generation trade faces. In the prior art, when a unit is fully started, if the temperature of a cooling liquid of a water cooling system of a frequency converter is higher than 38 ℃, the power can be automatically limited to operate, and the availability and the generating capacity of the unit are seriously influenced. Meanwhile, the wind turbine generator frequency converter power unit cabinet is tightly sealed by considering environmental dust filtration, and the requirement of cooling and heat dissipation of the power unit cannot be met only by a water-cooling heat dissipation system under the condition of full wind. Therefore, the over-temperature problem is treated urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the water-cooling heat dissipation system can not satisfy the cooling demand of the power unit in the prior art under the full power generation state of the wind power generation power unit cabinet.
For solving the above-mentioned problem that exists among the prior art, the utility model provides a pair of cooling device of wind power generation power unit rack, including the trunk line, the trunk line upper end is fixed on the little circular through-hole at power unit rack top, and the lower extreme is fixed on the great circular through-hole of power unit rack bottom, the trunk line with the inner chamber of power unit rack forms annular passage, the refrigerant through-hole is seted up to the trunk line lower part, and the cold air passes through the refrigerant through-hole with the help of in the trunk line emits into the power unit rack, still be equipped with the pressure release solenoid valve on the trunk line.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, the trunk line upper end falls into a plurality of lateral conduits, every the lateral conduit is fixed on the small circle through-hole that power unit rack top corresponds.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, install wind-guiding part on the great circle through-hole for with the great air escape trunk line of power unit rack mesodensity.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, the refrigerant through-hole is connected with the refrigerant pipeline, be equipped with the single solenoid valve on the refrigerant pipeline, single solenoid valve one end is connected on the refrigerant pipeline, the other end is connected to the refrigerant and supplies the end, controls the refrigerant trunk line that emits into.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, the great circle through-hole with coolant through-hole between trunk line one side set up the pressure release through-hole, the pressure release through-hole is connected with the pressure release pipeline, the pressure release solenoid valve is installed on the pressure release pipeline, the pressure release solenoid valve is normally closed solenoid valve, and when the annular passage internal gas pressure reached the setting value of pressure release solenoid valve, the pressure release solenoid valve was opened.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, power unit rack internally mounted has temperature detector for gather the inside temperature of power unit rack, when the inside temperature of power unit rack is higher than the setting value, open through the single solenoid valve of external control system control, when the inside temperature of power unit rack is less than the setting value, close through the single solenoid valve of external control system control.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, every all install the cooling solenoid valve on the lateral conduit for in discharging the low temperature gas of trunk line internal mixing into the power unit rack.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, the wind-guiding part is axial fan.
Further, the utility model relates to a cooling device of wind power generation power unit rack, wherein, the refrigerant of cold air is the dry ice medium.
The utility model relates to a cooling device of wind power generation power unit rack compares with prior art, has following advantage: the utility model only relates to the improvement on the cabinet body of the power unit, does not change the interior thereof, can be used together with a water cooling system, and improves the cooling efficiency of the cabinet of the power unit; the device and an external control system form valve control logic, and the refrigerant is supplied at intervals, so that the transitional use of the refrigerant is avoided, and the cooling cost is saved; the device is convenient to integrally install and obvious in cooling effect.
The cooling device for a wind power unit cabinet according to the present invention will be described in detail with reference to the embodiments shown in the drawings.
Drawings
Fig. 1 is a schematic structural diagram of a cooling device of a wind power generation power unit cabinet of the present invention.
Detailed Description
As shown in fig. 1, the utility model relates to a cooling device's of wind power generation power unit rack embodiment, including trunk line 1, trunk line 1 upper end is fixed on the little circular through-hole 21 at 2 tops of power unit rack, and the lower extreme is fixed on the great circle through-hole 22 of 2 bottoms of power unit rack, and trunk line 1 forms annular passage with the inner chamber of power unit rack 2, and refrigerant through-hole 11 is seted up to trunk line 1 lower part, and in cold air passed through refrigerant through-hole 11 and emited into power unit rack 2 with the help of trunk line 1, still was equipped with pressure release solenoid valve 51 on trunk line 1.
In the embodiment, the main pipe 1 is arranged outside the power unit cabinet 2, the main pipe 1 and the power unit cabinet inner cavity form an annular passage, cold air is discharged from a refrigerant through hole formed at the lower part of the main pipe 1 and is discharged into the power unit cabinet 2 through a small circular through hole 21 at the top of the power unit cabinet 2, so that the temperature of the power unit in the power unit cabinet 2 is reduced, the temperature of the power unit is increased quickly under the full-power state, in the above way, the temperature of the power unit in the power unit cabinet 2 is prevented from being too high by further cooling through the water cooling device of the power unit machine, the main pipeline 1 is also provided with a pressure relief electromagnetic valve 51, when the air pressure in the power unit cabinet 2 is greater than the preset value of the pressure relief solenoid valve 51, the pressure relief solenoid valve 51 is opened, most of heat can be taken away when the pressure relief solenoid valve 51 is opened, and the temperature of the power unit cabinet 2 is favorably reduced.
On the basis of the above-mentioned embodiment, the utility model relates to an embodiment, great circle through-hole 22 and with coolant through-hole 11 between trunk line 1 one side set up pressure release through-hole 13, pressure release through-hole 13 is connected with pressure release pipeline 5, pressure release solenoid valve 51 installs on pressure release pipeline 5, pressure release solenoid valve 51 is normally closed solenoid valve, when the annular passage internal gas pressure reached pressure release solenoid valve 51's setting value, pressure release solenoid valve 51 opened.
On the basis of the above-mentioned embodiment, the utility model discloses an embodiment, with trunk line 1 upper end fall into a plurality of lateral conduits 12, every lateral conduit 12 is fixed on the small circle through-hole 21 that power unit rack 2 tops correspond. The upper end of the main pipeline 1 is divided into a plurality of branch pipelines 12, the branch pipelines 12 are uniformly distributed at the top of the power unit cabinet 2, the original cold air is discharged into the power unit cabinet 2 from a specific position into a plurality of positions, the original cold air is discharged into the power unit cabinet 2, the action range of the discharged cold air is expanded from a local part to the whole part, and the heat dissipation of the power unit in the power unit cabinet 2 is facilitated.
On the basis of the embodiment, the utility model relates to an embodiment, install wind-guiding part 3 on great circle through-hole 22, a trunk line 1 is arranged into with the great air discharge of power unit rack 2 mesodensity, wind-guiding part 3 fixed mounting is on the great circle through-hole 22 of 2 bottoms of power unit rack, wind-guiding part 3 arranges the air in power unit rack 2 in trunk line 1 from inside to outside, and then the circulation velocity of flow of air among the accelerative annular passage, and mix the cold air that arranges in the refrigerant through-hole 11 into in trunk line 1 and take away the heat that power unit rack 2 power unit produced.
On the basis of the above embodiment, in an embodiment of the utility model, refrigerant through-hole 11 is connected with refrigerant pipeline 4, is equipped with single solenoid valve 41 on refrigerant pipeline 4, and single solenoid valve 41 one end is connected on refrigerant pipeline 4, and the other end is connected to refrigerant supply end 42, and the trunk line 1 is discharged to the control refrigerant.
On the basis of the above-mentioned embodiment, the utility model relates to an embodiment, 2 internally mounted of power unit rack have temperature detector 6 for gather the inside temperature of power unit rack.
In this embodiment, the external control system is an existing signal control system, and controls the opening and closing of the one-way solenoid valve 41 according to the signal collected by the temperature detector 6. The specific control process is as follows: when the internal temperature of the power unit cabinet 2 is higher than the set value, the external control system controls the one-way solenoid valve 41 to be opened, and when the internal temperature of the power unit cabinet 2 is lower than the set value, the external control system controls the one-way solenoid valve 41 to be closed, so that the one-way solenoid valve 41 is not always in an open state, the use amount of a cold source is saved and the cost is reduced on the premise of meeting the cooling requirement of the power unit in the power unit cabinet 2.
On the basis of the above-mentioned embodiment, the utility model relates to an embodiment, all install cooling solenoid valve 7 on every lateral conduit 12 for in discharging into power unit rack 2 with the low temperature gas of mixing in trunk line 1.
In this embodiment, the single-pass electromagnetic valve 41 is first opened, cold air is replenished into the main pipe 1, the hot air in the power unit cabinet 2 is fully mixed with the cold air under the action of the air guiding component 3, the single-pass electromagnetic valve 41 is opened under the continuous replenishment of the cold air, and the mixed low-temperature air is discharged into the power unit cabinet 2.
In the above embodiment, the air guide member 3 is an axial flow fan, and the refrigerant of the cold air is a dry ice medium.
The utility model provides a single-pass solenoid valve 41, pressure release solenoid valve 51, temperature detector 6, cooling solenoid valve 7's action principle as follows: in practical applications, the power unit is installed in the power unit cabinet 2, and the power unit generates heat in a full-power state. The temperature detector 6 determines the accumulation change of heat in the power unit cabinet 2, and when the temperature in the power unit cabinet 2 reaches a value set by the temperature detector 6, the external control system controls the one-way electromagnetic valve 41 to be opened. Cold air with dry ice medium as a refrigerant is discharged into the main pipeline 1 from the single-pass electromagnet 41 to form gradually increased positive pressure to conduct the cooling electromagnetic valve 7, and cooling mixed gas is input into the power unit cabinet 2 from the upper part. The gas is driven to integrally circulate under the action of the axial flow fan. When the internal pressure value of the power unit cabinet 2 reaches the valve opening pressure of the pressure relief solenoid valve 51, the annular cavity is rapidly exhausted to take away a large amount of heat. The valve opening pressure of the pressure relief solenoid valve 51 is greater than the valve opening pressure of the temperature reducing solenoid valve 7, and the valve opening pressure of the temperature reducing solenoid valve 7 is greater than the pressure of the standard atmospheric pressure. The air in the power unit cabinet 2 is heated to expand, the pressure in the power unit cabinet 2 rises, and when the pressure in the power unit cabinet 2 reaches the valve opening pressure of the pressure relief solenoid valve 51, the temperature in the power unit cabinet 2 is the set value of the temperature detector 6. And cold air is supplemented at intervals under the coordination of the single-way electromagnetic valve 41, the pressure relief electromagnetic valve 51, the temperature detector 6, the cooling electromagnetic valve 7 and the external control system, so that the cooling treatment of the power unit in the power unit cabinet 2 is realized.
The above embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the present invention as defined by the claims.
Claims (9)
1. The utility model provides a cooling device of wind power generation power unit rack, its characterized in that, includes trunk line (1), trunk line (1) upper end is fixed on little circular through-hole (21) at power unit rack (2) top, and the lower extreme is fixed on big circular through-hole (22) of power unit rack (2) bottom, trunk line (1) with the inner chamber of power unit rack (2) forms annular passage, refrigerant through-hole (11) are seted up to trunk line (1) lower part, and cold air passes through refrigerant through-hole (11) with the help of in trunk line (1) emits into power unit rack (2), still be equipped with pressure release solenoid valve (51) on trunk line (1).
2. The cooling device for wind power unit cabinet according to claim 1, wherein the upper end of the main pipe (1) is divided into a plurality of branch pipes (12), and each branch pipe (12) is fixed on a corresponding small circular through hole (21) at the top of the power unit cabinet (2).
3. The cooling device for the wind power unit cabinet according to claim 2, wherein the large circular through hole (22) is provided with an air guiding component (3) for discharging air with higher density in the power unit cabinet (2) into the main pipeline (1).
4. The cooling device for the wind power generation power unit cabinet as defined in claim 3, wherein the refrigerant through hole (11) is connected with a refrigerant pipeline (4), the refrigerant pipeline (4) is provided with a single-way electromagnetic valve (41), one end of the single-way electromagnetic valve (41) is connected to the refrigerant pipeline (4), and the other end of the single-way electromagnetic valve is connected to the refrigerant supply end (42), so as to control the refrigerant to be discharged into the main pipeline (1).
5. The cooling device of the wind power generation power unit cabinet according to claim 2, wherein a pressure relief through hole (13) is formed in one side of the main pipe (1) between the large circular through hole (22) and the refrigerant through hole (11), the pressure relief through hole (13) is connected with a pressure relief pipeline (5), the pressure relief electromagnetic valve (51) is installed on the pressure relief pipeline (5), the pressure relief electromagnetic valve (51) is a normally closed electromagnetic valve, and when the air pressure in the annular passage reaches a set value of the pressure relief electromagnetic valve (51), the pressure relief electromagnetic valve (51) is opened.
6. The cooling device for the wind power generation power unit cabinet is characterized in that a temperature detector (6) is installed inside the power unit cabinet (2) and used for collecting the internal temperature of the power unit cabinet, when the internal temperature of the power unit cabinet (2) is higher than a set value, the single-way electromagnetic valve (41) is controlled to be opened through an external control system, and when the internal temperature of the power unit cabinet (2) is lower than the set value, the single-way electromagnetic valve (41) is controlled to be closed through the external control system.
7. The cooling device for the wind power unit cabinet according to claim 2, wherein a cooling solenoid valve (7) is installed on each branch pipeline (12) for discharging the low-temperature gas mixed in the main pipeline (1) into the power unit cabinet (2).
8. The cooling device for a wind power unit cabinet according to claim 3, wherein the air guiding component (3) is an axial fan.
9. The cooling device for the wind power generation power unit cabinet as claimed in claim 1, wherein the refrigerant of the cold air is a dry ice medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080917.8U CN211509658U (en) | 2020-01-14 | 2020-01-14 | Cooling device of wind power generation power unit cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080917.8U CN211509658U (en) | 2020-01-14 | 2020-01-14 | Cooling device of wind power generation power unit cabinet |
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| Publication Number | Publication Date |
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| CN211509658U true CN211509658U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020080917.8U Active CN211509658U (en) | 2020-01-14 | 2020-01-14 | Cooling device of wind power generation power unit cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481605A (en) * | 2020-11-27 | 2021-03-12 | 无锡费曼科技有限公司 | Two-dimensional material chemical deposition cooling system |
| CN112481605B (en) * | 2020-11-27 | 2024-05-17 | 无锡费曼科技有限公司 | Two-dimensional material chemical deposition cooling system |
-
2020
- 2020-01-14 CN CN202020080917.8U patent/CN211509658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481605A (en) * | 2020-11-27 | 2021-03-12 | 无锡费曼科技有限公司 | Two-dimensional material chemical deposition cooling system |
| CN112481605B (en) * | 2020-11-27 | 2024-05-17 | 无锡费曼科技有限公司 | Two-dimensional material chemical deposition cooling system |
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