CN205092761U - Water cooling system of converter - Google Patents
Water cooling system of converter Download PDFInfo
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- CN205092761U CN205092761U CN201520894650.5U CN201520894650U CN205092761U CN 205092761 U CN205092761 U CN 205092761U CN 201520894650 U CN201520894650 U CN 201520894650U CN 205092761 U CN205092761 U CN 205092761U
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- current transformer
- cooling system
- radiator
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- 238000001816 cooling Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a water cooling system of converter, it includes circulating pump (1), circulating pump (1) communicates with an interface of first three -way valve (2), two other interfaces of first three -way valve (2) respectively with first the device that generates heat (31) and second device (32) the intercommunication that generates heat, first the device that generates heat (31) and the second generates heat and feeds through with radiator (4) after connect in parallel device (32), radiator (4) with circulating pump (1) intercommunication. The utility model provides a water cooling system of converter, it utilizes first three -way valve can close wherein arbitrary device branch road that generates heat, when one of them branch road trouble, controls first three -way valve, makes the branch road that breaks down close, and the heat dissipation can be cooled off to the part that does not break down to the branch road circulation that does not break down under the converter takes place the situation of local fault, guarantee its continued work.
Description
Technical field
The utility model relates to water-cooling system, particularly relates to the water-cooling system of current transformer.
Background technology
Wind energy, as the renewable green energy resource of one, is more and more subject to people's attention.Developing rapidly at present along with domestic and international wind generating technology and related industry, the capacity of single cover blower fan is also increasing.While blower fan can normally work, its generating efficiency have also been obtained people and also more and more payes attention to, and people wish to send more electricity as far as possible.
Current transformer is as the vitals of wind turbine generator Conversion of Energy, vital effect is played in fan operation process, when current transformer normally works, heater members wherein can produce certain heat, if these heats are not dispelled the heat away timely and effectively, current transformer can be caused normally to work.The general water-cooling system that adopts is dispelled the heat to current transformer at present, water-cooling system generally has a fundamental circuit, water flows through the heater members of current transformer thus cools heat generating components in this loop, and the water after heat absorption is flowing through radiator thus afterwards by conduct heat away in air.
State in realization in the process of technical scheme, inventor finds that in prior art, at least there are the following problems:
Some current transformer adopts double-bus to run at present, some current transformer is by the current transformer of small-power grade and be unified into the current transformer of high-power grade, they have such shortcoming: when the current transformer of power device arbitrary on single busbar connection or small-power grade breaks down, whole current transformer can be made out of service, correspondingly, water-cooling system also can be all out of service, can make whole wind turbine generator decrease of power generation like this.
Utility model content
The utility model object is to provide a kind of water-cooling system also carrying out the current transformer of cooling heat dissipation when current transformer generation local fault to the part do not broken down.
To achieve these goals, the utility model provides a kind of water-cooling system of current transformer, it comprises circulating pump, an orifice of described circulating pump and the first triple valve, two other interface of described first triple valve is communicated with the second heater members with the first heater members respectively, described first heater members is communicated with radiator with after described second heater members parallel connection, and described radiator is communicated with described circulating pump.
Preferably, wherein said first heater members can be communicated with adjuster valve with after described second heater members parallel connection, and described adjuster valve is communicated with described radiator.
Preferably, wherein unidirectional valve can be provided with on the branch road at described first heater members place; And/or, the branch road at described second heater members place is provided with unidirectional valve.
Preferably, wherein can also comprise the inner loop pipeline in parallel with described radiator, described inner loop pipeline is communicated with the first interface of the second triple valve, second orifice of described radiator and described second triple valve, 3rd interface of described second triple valve is communicated with stainless steel pipes, described stainless steel pipes is communicated with described circulating pump, in described stainless steel pipes, be provided with heater.
Further, wherein ball valve can be provided with in described inner loop pipeline.
Further, wherein said circulating pump, described first triple valve, described first heater members, described second heater members, described inner loop pipeline, described second triple valve and described stainless steel pipes all can be positioned at the inside of converter cabinet, and described radiator is positioned at the outside of described converter cabinet.
Further, wherein the draining valve that adds water can be connected with on described stainless steel pipes.
Further, wherein said first heater members is communicated with adjuster valve with after described second heater members parallel connection, described adjuster valve is communicated with described radiator, described first triple valve and described second triple valve are electric T-shaped valve, described adjuster valve is electric control valve, the pipeline that described circulating pump is connected with described first triple valve can be provided with the first temperature sensor and the first pressure transmitter, the pipeline that described adjuster valve is connected with described radiator is provided with the second temperature sensor and the second pressure transmitter, described first triple valve, described adjuster valve, described second triple valve, described first temperature sensor, described first pressure transmitter, described second temperature sensor and described second pressure transmitter are all connected to automatic control system.
Preferably, the number of wherein said radiator can be two, and two described radiators are parallel with one another.
Further, wherein two described radiators can by the first three-way connection and the second three-way connection parallel with one another, the water inlet pipe be communicated with described radiator is connected on an interface of described first three-way connection, the water inlet of two described radiators is connected with two other interface of described first three-way connection, the outlet pipe be communicated with described radiator is connected on an interface of described second three-way connection, and the delivery port of two described radiators is connected with two other interface of described second three-way connection.
The main beneficial effect of the technique scheme that the utility model provides is, it utilizes the first triple valve can close wherein arbitrary heater members branch road, when one of them branch trouble, control the first triple valve, the branch road broken down is closed, the branch road circulation of not breaking down, can carry out cooling heat dissipation when current transformer generation local fault to the part do not broken down, ensure its continuous firing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water-cooling system of the current transformer of the utility model embodiment.
Drawing reference numeral illustrates:
1-circulating pump; 2-first triple valve; 3-unidirectional valve; 31-first heater members; 32-second heater members; 4-radiator; 41-first three-way connection; 42-second three-way connection; 43-water inlet pipe; 44-outlet pipe; 5-adjuster valve; 6-inner loop pipeline; 61-ball valve; 7-second triple valve; 8-stainless steel pipes; 81-heater; 82-adds water draining valve; 9-converter cabinet; 101-first temperature sensor; 102-first pressure transmitter; 111-second temperature sensor; 112-second pressure transmitter; 12-expansion drum; 121-Pressure gauge; 13-vent valve; 14-filter.
Embodiment
Be described in detail below in conjunction with the water-cooling system of accompanying drawing to the current transformer of the utility model embodiment.
As shown in Figure 1, the water-cooling system of the current transformer of the utility model embodiment, it comprises circulating pump 1, an orifice of circulating pump 1 and the first triple valve 2, two other interface of first triple valve 2 is communicated with the second heater members 32 with the first heater members 31 respectively, be communicated with radiator 4 after first heater members 31 is in parallel with the second heater members 32, radiator 4 is communicated with circulating pump 1.
" connection " in the present embodiment should be understood to can be " directly " connect and communicate, and also can connect miscellaneous part in centre thus " indirectly " communicates.The water-cooling system of the current transformer of the present embodiment, it adopts the first triple valve 2 to connect two heater members branch roads respectively, be communicated with radiator 4 after the first heater members 31 in these two branch roads is in parallel with the second heater members 32, utilize the first triple valve 2 can regulate assignment of traffic in two branch roads, also wherein arbitrary branch road can be closed, when one of them branch road due to fault no longer adstante febre, control the first triple valve 2, the branch road broken down is closed, the branch road circulation of not breaking down, cooling heat dissipation can be carried out to the part do not broken down when current transformer generation local fault, ensure its continuous firing.
Particularly, for double-bus current transformer, a first heater members 31 correspondence wherein bus of the present embodiment, second heater members 32 correspondence wherein another bus, when the power device on a wherein bus breaks down, current transformer can utilize another bus to carry out single bus-bar operation, at this moment the water-cooling system of the present embodiment can stop supplying water-cooled to the corresponding heater members of fault bus, and supply water only to the heater members that operating bus is corresponding, thus ensure the normal operation of single busbar connection, which enhance the reliability of current transformer, avoid the energy output loss caused due to maintenance, improve the utilization rate of device, improve the efficiency of water-cooling system, from the angle of complete machine, improve the generating efficiency of wind turbine generator.Particularly, first triple valve 2 of the present embodiment is electric T-shaped valve, so that adopt control system to realize automatically controlling, it is specially the T-shaped electric T-shaped valve of all steel.Radiator 4 is water wind radiator (or being called air radiator, by conduct heat away to the radiator in air).
Further, first heater members 31 of the present embodiment is communicated with adjuster valve 5 with after the second heater members 32 parallel connection, adjuster valve 5 is communicated with radiator 4, here adjuster valve 5 can regulate the water resistance of water-cooling system entirety when the first heater members 31 or the second heater members 32 isolated operation, and then the pressure of regulating system, make the operation of system more stable.Particularly, the adjuster valve 5 of the present embodiment is electric control valve, so that adopt control system to realize automatically controlling.
In the present embodiment, the branch road at the first heater members 31 and the second heater members 32 place is equipped with unidirectional valve 3, two unidirectional valves 3 is set here, the backflow between two branch roads can be prevented, reduce the damage risk of system.In addition, also only a branch road can arrange unidirectional valve 3 wherein.
In order to solve the Preheating of current transformer under cold conditions, the present embodiment also comprises the inner loop pipeline 6 in parallel with radiator 4, inner loop pipeline 6 is communicated with the first interface of the second triple valve 7, second orifice of radiator 4 and the second triple valve 7, 3rd interface of the second triple valve 7 is communicated with stainless steel pipes 8, stainless steel pipes 8 is communicated with circulating pump 1, heater 81 is provided with in stainless steel pipes 8, like this when the start-up temperature of ambient temperature lower than current transformer, water-cooling system can heat current transformer, be heated the temperature value that current transformer allows, then just current transformer is opened.Specific works flow process is: start circulating pump 1 and heater 81, controlling the second triple valve 7 switches to Inner eycle (namely to open this branch road of inner loop pipeline 6, close radiator 4 branch road), constantly be sent to current transformer by the liquid that the heater 81 in stainless steel pipes 8 heats, current transformer inside and pipeline connector part are heated.After current transformer is heated to the temperature value of permission, start current transformer, the heater members of current transformer produces heat, at this moment controlling the second triple valve 7 switches to outer circulation (namely to close this branch road of inner loop pipeline 6, open radiator 4 branch road), thus start to utilize radiator 4 to dispel the heat, adopt Inner eycle to carry out preheating here, the efficiency of preheating is higher.The present embodiment is provided with ball valve 61 further in inner loop pipeline 6, and ball valve 61 can play the effect increasing Inner eycle resistance here, and when the second triple valve 7 carries out inner-outer circulation switching, system pressure there will not be larger fluctuation.Particularly, second triple valve 7 of the present embodiment is electric T-shaped valve, so that adopt control system to realize automatically controlling, it is specially all steel L-type electric T-shaped valve.The present embodiment is connected with the draining valve 82 that adds water further on stainless steel pipes 8, thus can add water or draining to system as required.
In the present embodiment, circulating pump 1, first triple valve 2, first heater members 31, second heater members 32, inner loop pipeline 6, second triple valve 7 and stainless steel pipes 8 are all positioned at the inside of converter cabinet 9, radiator 4 is positioned at the outside of converter cabinet 9, here these devices of water-cooling system are embedded, be integrated in the inside of converter cabinet 9, achieve the Highgrade integration of current transformer, reduce cost, while improving the space availability ratio in converter cabinet 9, the pipeline of whole water-cooling system is shortened relatively, reduce the resistance of water-cooling system, improve the efficiency of water-cooling system.In addition, before, said unidirectional valve 3, adjuster valve 5 and ball valve 61 are also positioned at the inside of converter cabinet 9.
On the basis of aforementioned structure, the pipeline that the present embodiment is connected with the first triple valve 2 at circulating pump 1 is provided with the first temperature sensor 101 and the first pressure transmitter 102, the pipeline that adjuster valve 5 is connected with radiator 4 is provided with the second temperature sensor 111 and the second pressure transmitter 112, first triple valve 2, adjuster valve 5, second triple valve 7, first temperature sensor 101, first pressure transmitter 102, second temperature sensor 111 and the second pressure transmitter 112 are all connected to automatic control system (not shown), based on this structure, the automatic control of the course of work can be realized.Here the first temperature sensor 101 and the first pressure transmitter 102 are installed on the water inlet of heater members in current transformer, second temperature sensor 111 and the second pressure transmitter 112 are installed on heater members water outlet in current transformer, they are mainly used to the pressure and temperature of Real-Time Monitoring water-cooling system, for automatic control system provides controlled quentity controlled variable.
In order to balance system pressure, the present embodiment also comprises expansion drum 12, and expansion drum 12 is communicated with stainless steel pipes 8.In order to check system pressure, be convenient to safeguard water-cooling system according to force value and monitor, the present embodiment is connected with Pressure gauge 121 on expansion drum 12.In order to the air in removal system, the present embodiment is connected with vent valve 13 on expansion drum 12, and radiator 4 is also connected with vent valve 13.In order to filter the impurity in system, the pipeline that the present embodiment is connected with the first triple valve 2 at circulating pump 1 is provided with filter 14.
The number of radiator 4 can be one, and in the present embodiment, the number of radiator 4 is two, and two radiators 4 are parallel with one another, and adopt the structure that two radiators 4 are parallel with one another here, compare and adopt single radiator, volume is less, and radiating efficiency is higher.Particularly, two radiators 4 by the first three-way connection 41 and the second three-way connection 42 parallel with one another, the water inlet pipe 43 be communicated with radiator 4 is connected on an interface of the first three-way connection 41, the water inlet of two radiators 4 is connected with two other interface of the first three-way connection 41, the outlet pipe 44 be communicated with radiator 4 is connected on an interface of the second three-way connection 42, the delivery port of two radiators 4 is connected with two other interface of the second three-way connection 42, here water inlet pipe 43 and outlet pipe 44 two pipe turnover current transformers are adopted, two three-way connections are coordinated to realize in parallel, pipeline is clear, connect simple, decrease the use of pipeline material, make cost lower, first three-way connection 41 completes the effect that two radiators 4 are shunted at water inlet, second three-way connection 42 completes the effect that two radiators 4 conflux at delivery port.
For ease of understanding, further illustrate the course of work of the present embodiment at this:
1, when the start-up temperature of ambient temperature lower than current transformer, water-cooling system heats current transformer, is heated to the temperature value that current transformer allows; Now circulating pump 1 drives the coolant in pipeline to circulate, and starts heater 81 simultaneously, and switches to Inner eycle by the second triple valve 7, so be constantly sent to current transformer by the liquid heated, heat current transformer inside and pipeline connector part.After current transformer temperature reaches permissible value, current transformer starts.
2, when current transformer work time, the power device of current transformer has heat to produce, and now circulating pump 1 drives coolant to circulate, and the second triple valve 7 switches runner, while allowing coolant flow through two heater members of current transformer, also flows through two radiators 4.Coolant, through heater members time, constantly takes heat out of, and when coolant passes through two radiator 4 time, heat is dispersed in air by two radiators 4, thus completes the heat sinking function of water-cooling system to current transformer.
3, no matter water-cooling system is operated under the heating of current transformer or heat radiation operating mode; two pressure transmitters in water-cooling system and two temperature sensors all to monitor the temperature and pressure of liquid in circulation line in real time; thus regulate the start and stop of fan on radiator 4; the start and stop of circulating pump 1; the dress state of each valve, and the protection of pipeline.
4, water-cooling system is while having above-mentioned effect, when any portion in the Part I, Part II heater members of current transformer breaks down, the corresponding heater members branch road broken down is closed by the first triple valve 2, and in conjunction with adjuster valve 5 regulating system pressure, the heat radiation to the heater members do not broken down and heating function also can be completed.
In sum, the above-mentioned optimal technical scheme that the utility model provides at least possesses following characteristics:
The first triple valve is adopted to connect two heater members branch roads, from the angle of water-cooling, meet the radiating requirements of current transformer single bus-bar operation, when current transformer at single bus-bar operation, this water-cooling system can realize the heat radiation to the corresponding power device of single bus-bar operation, and the cool cycles of the power device stopping another bus of off-duty corresponding, when wherein a part of heater members breaks down, the generator operation of another part can not be stopped.
Adopt adjuster valve regulating system pressure, ensure system more stable operation.
In heater members branch road, adopt unidirectional valve, avoid backflow, reduce system failure risk
Adopt the second triple valve to switch inner-outer circulation, utilize heater to realize heating function to current transformer, meet the preheat function that current transformer under low temperature environment is opened.
By water-cooling system and current transformer integrally object implement design, water-cooling system is integrated in current transformer, namely the function of water-cooled has been met, also the space of current transformer is made full use of, under the prerequisite of satisfied maintainability, reduce electric control product taking up room in blower fan, improve the competitiveness of current transformer.
At the import and export design three-way connection of two radiators, have employed the connected mode of 2 water pipe turnover unsteady flow cabinets, simplify whole water-cooling system, make water-cooling system pipeline more clear, pipeline cost is lower.
The triple valve selected, completely according to-40 DEG C of low-temperature working condition design, meets-40 DEG C of low temperature environment job requirements simultaneously.
The overall pipeline of water-cooling system connects potential leakage point to be reduced in a large number, improves the reliability of the decorum.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (10)
1. the water-cooling system of a current transformer, it is characterized in that, comprise circulating pump (1), an orifice of described circulating pump (1) and the first triple valve (2), two other interface of described first triple valve (2) is communicated with the second heater members (32) with the first heater members (31) respectively, be communicated with radiator (4) after described first heater members (31) is in parallel with described second heater members (32), described radiator (4) is communicated with described circulating pump (1).
2. the water-cooling system of current transformer according to claim 1, it is characterized in that, be communicated with adjuster valve (5) after described first heater members (31) is in parallel with described second heater members (32), described adjuster valve (5) is communicated with described radiator (4).
3. the water-cooling system of current transformer according to claim 1, is characterized in that, the branch road at described first heater members (31) place is provided with unidirectional valve (3); And/or,
The branch road at described second heater members (32) place is provided with unidirectional valve (3).
4. the water-cooling system of current transformer according to claim 1, it is characterized in that, also comprise the inner loop pipeline (6) in parallel with described radiator (4), described inner loop pipeline (6) is communicated with the first interface of the second triple valve (7), second orifice of described radiator (4) and described second triple valve (7), 3rd interface of described second triple valve (7) is communicated with stainless steel pipes (8), described stainless steel pipes (8) is communicated with described circulating pump (1), heater (81) is provided with in described stainless steel pipes (8).
5. the water-cooling system of current transformer according to claim 4, is characterized in that, is provided with ball valve (61) in described inner loop pipeline (6).
6. the water-cooling system of current transformer according to claim 4, it is characterized in that, described circulating pump (1), described first triple valve (2), described first heater members (31), described second heater members (32), described inner loop pipeline (6), described second triple valve (7) and described stainless steel pipes (8) are all positioned at the inside of converter cabinet (9), and described radiator (4) is positioned at the outside of described converter cabinet (9).
7. the water-cooling system of current transformer according to claim 4, is characterized in that, described stainless steel pipes (8) is connected with the draining valve that adds water (82).
8. the water-cooling system of current transformer according to claim 4, it is characterized in that, be communicated with adjuster valve (5) after described first heater members (31) is in parallel with described second heater members (32), described adjuster valve (5) is communicated with described radiator (4), described first triple valve (2) and described second triple valve (7) are electric T-shaped valve, described adjuster valve (5) is electric control valve, the pipeline that described circulating pump (1) is connected with described first triple valve (2) is provided with the first temperature sensor (101) and the first pressure transmitter (102), the pipeline that described adjuster valve (5) is connected with described radiator (4) is provided with the second temperature sensor (111) and the second pressure transmitter (112), described first triple valve (2), described adjuster valve (5), described second triple valve (7), described first temperature sensor (101), described first pressure transmitter (102), described second temperature sensor (111) and described second pressure transmitter (112) are all connected to automatic control system.
9. the water-cooling system of current transformer according to claim 1, is characterized in that, the number of described radiator (4) is two, and two described radiators (4) are parallel with one another.
10. the water-cooling system of current transformer according to claim 9, it is characterized in that, two described radiators (4) by the first three-way connection (41) and the second three-way connection (42) parallel with one another, the water inlet pipe (43) be communicated with described radiator (4) is connected on an interface of described first three-way connection (41), the water inlet of two described radiators (4) is connected with two other interface of described first three-way connection (41), the outlet pipe (44) be communicated with described radiator (4) is connected on an interface of described second three-way connection (42), the delivery port of two described radiators (4) is connected with two other interface of described second three-way connection (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520894650.5U CN205092761U (en) | 2015-11-09 | 2015-11-09 | Water cooling system of converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520894650.5U CN205092761U (en) | 2015-11-09 | 2015-11-09 | Water cooling system of converter |
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| Publication Number | Publication Date |
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| CN205092761U true CN205092761U (en) | 2016-03-16 |
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| CN201520894650.5U Active CN205092761U (en) | 2015-11-09 | 2015-11-09 | Water cooling system of converter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200747A (en) * | 2018-02-01 | 2018-06-22 | 联想(北京)有限公司 | Radiator and the electronic equipment including the radiator |
| CN112449549A (en) * | 2019-09-02 | 2021-03-05 | 北京金风科创风电设备有限公司 | Cooling circulation device, control method and converter |
| CN113035519A (en) * | 2019-12-24 | 2021-06-25 | 新疆金风科技股份有限公司 | Cooling system of wind generating set and wind generating set |
-
2015
- 2015-11-09 CN CN201520894650.5U patent/CN205092761U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200747A (en) * | 2018-02-01 | 2018-06-22 | 联想(北京)有限公司 | Radiator and the electronic equipment including the radiator |
| CN112449549A (en) * | 2019-09-02 | 2021-03-05 | 北京金风科创风电设备有限公司 | Cooling circulation device, control method and converter |
| CN112449549B (en) * | 2019-09-02 | 2023-04-11 | 北京金风科创风电设备有限公司 | Cooling circulation device, control method and converter |
| CN113035519A (en) * | 2019-12-24 | 2021-06-25 | 新疆金风科技股份有限公司 | Cooling system of wind generating set and wind generating set |
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