CN111998580A - Operation maintenance structure of high-voltage frequency converter evaporation cooling system - Google Patents
Operation maintenance structure of high-voltage frequency converter evaporation cooling system Download PDFInfo
- Publication number
- CN111998580A CN111998580A CN202010990940.5A CN202010990940A CN111998580A CN 111998580 A CN111998580 A CN 111998580A CN 202010990940 A CN202010990940 A CN 202010990940A CN 111998580 A CN111998580 A CN 111998580A
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- Prior art keywords
- cooling
- air bag
- cooling liquid
- storage tank
- connecting pipe
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 238000001704 evaporation Methods 0.000 title abstract description 4
- 230000008020 evaporation Effects 0.000 title abstract description 4
- 239000000110 cooling liquid Substances 0.000 claims abstract description 28
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000003973 irrigation Methods 0.000 abstract 1
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A high-voltage frequency converter evaporation cooling system operation maintenance structure belongs to the technical field of high-voltage frequency converter cooling system maintenance. Comprises a breather pipe (1), an air bag (2), a storage tank (3) and a cooling liquid connecting pipe (4); the cooling liquid connecting pipe (4) is connected with the storage tank body 3, the air bag (2) is connected with the vent pipe (1), and the air bag (1) is arranged in the inner cavity of the storage tank body. The advantage lies in, the mode that causes gasbag deformation through the inside and outside pressure differential of gasbag realizes the injection of cooling medium and discharges, and the operation is high-efficient, convenient, also can realize the drainage and irrigation of working medium through the inflater.
Description
Technical Field
The invention belongs to the technical field of maintenance of a cooling system of a high-voltage frequency converter, and particularly provides an operation maintenance structure of an evaporation cooling system of the high-voltage frequency converter.
Background
The evaporative cooling technology is a novel efficient cooling technology which utilizes high-insulation low-boiling-point organic working media to cool heating components in a phase change heat exchange mode. The organic working medium is used for replacing air of the traditional cooling technology as a cooling medium, self-circulation can be realized without other equipment, and the device is more energy-saving, more environment-friendly and more reliable. When the high-voltage inverter evaporative cooling system is overhauled, a cooling working medium in the cooling device needs to be discharged, and the cooling working medium is filled back into the device after the overhaul is finished. The existing maintenance method is manually completed by utilizing gravity through a container and a funnel, and is time-consuming, labor-consuming, low in working efficiency and easy to consume working media. The patent provides a convenient and efficient operation and maintenance method suitable for a high-voltage variable-frequency evaporative cooling system.
Disclosure of Invention
The invention aims to provide an operation maintenance structure of an evaporative cooling system of a high-voltage frequency converter, which can realize the purpose that cooling media can be conveniently and quickly discharged and injected into a cooling device during overhauling. The maintenance method is convenient and quick to operate; the cooling liquid is convenient to manage, and the loss of the cooling liquid can be effectively controlled.
The invention comprises a vent pipe 1, an air bag 2, a storage tank 3 and a cooling liquid connecting pipe 4. The cooling liquid connecting pipe 4 is connected with the storage tank 3, the air bag 2 is connected with the vent pipe 1, and the air bag is arranged in the inner cavity of the storage tank body. The rapid transfer and discharge of the cooling medium are realized by the deformation of the air bag 2 caused by the pressure difference between the inside and the outside of the air bag 2. The method comprises the following specific steps:
1. preparation before use: the inflating device is connected with the vent pipe 1, inflates the air bag 2 of the maintenance device, discharges the gas in the inner cavity of the storage tank 3 as much as possible, and keeps the gas in the tank in an emptying state.
2. Collecting cooling liquid: carry out sealing connection with cooling device tapping hole with the coolant liquid connecting pipe 4 of overhauing the device, discharge the coolant liquid into and overhaul the container, available air exhaust device connects breather pipe 1 this moment, evenly bleeds to gasbag 2, accelerates the discharge of coolant liquid.
3. And (3) filling back the cooling liquid: after the cooling device is overhauled, a cooling liquid connecting pipe 4 of the overhauling device is hermetically connected with a liquid injection port of the cooling device; the aerating device is connected with the breather pipe 1, the air is inflated into the air bag 2 of the maintenance device, and the cooling liquid is discharged and injected into the cooling device.
The invention has the beneficial effects that:
1. the atmospheric pressure difference inside and outside the air bag is utilized to accelerate the discharge and injection of the cooling liquid, and the air bag cooling device has the advantages of being simple in operation, saving in time, high in working efficiency and the like.
2. The cooling liquid of the cooling device directly flows into the maintenance device, so that the storage and management are convenient, and the loss of the cooling liquid is less.
Drawings
Fig. 1 is a schematic structural view of a service device. Wherein, breather pipe 1, gasbag 2, storage tank 3, coolant liquid connecting pipe 4.
Detailed Description
The present invention is described in detail below with reference to fig. 1, and it should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and those skilled in the art can make modifications and adaptations of the present invention based on the above-mentioned disclosure.
The invention comprises a vent pipe 1, an air bag 2, a storage tank 3 and a cooling liquid connecting pipe 4. The cooling liquid connecting pipe 4 is connected with the storage tank 3, the air bag 2 is connected with the vent pipe 1, and the air bag is arranged in the inner cavity of the storage tank body. The rapid transfer and discharge of the cooling medium are realized by the deformation of the air bag 2 caused by the pressure difference between the inside and the outside of the air bag 2. The method comprises the following specific steps:
1. preparation before use: the inflating device is connected with the vent pipe 1, inflates the air bag 2 of the maintenance device, discharges the gas in the inner cavity of the storage tank 3 as much as possible, and keeps the gas in the tank in an emptying state.
2. Collecting cooling liquid: carry out sealing connection with cooling device tapping hole with the coolant liquid connecting pipe 4 of overhauing the device, discharge the coolant liquid into and overhaul the container, available air exhaust device connects breather pipe 1 this moment, evenly bleeds to gasbag 2, accelerates the discharge of coolant liquid.
3. And (3) filling back the cooling liquid: after the cooling device is overhauled, a cooling liquid connecting pipe 4 of the overhauling device is hermetically connected with a liquid injection port of the cooling device; the aerating device is connected with the breather pipe 1, the air is inflated into the air bag 2 of the maintenance device, and the cooling liquid is discharged and injected into the cooling device.
Claims (1)
1. The operation maintenance structure of the evaporative cooling system of the high-voltage frequency converter is characterized by comprising a vent pipe (1), an air bag (2), a storage tank (3) and a cooling liquid connecting pipe (4); the cooling liquid connecting pipe (4) is connected with the storage tank 3, the air bag (2) is connected with the vent pipe (1), and the air bag (1) is arranged in the inner cavity of the storage tank body; the rapid transferring and discharging of the cooling medium are realized through the deformation of the air bag (2) caused by the internal and external pressure difference of the air bag (2); the method comprises the following specific steps:
1) preparation before use: the inflating device is connected with the vent pipe (1) and inflates the air bag (2) of the maintenance device to discharge the gas in the inner cavity of the storage tank (3) as much as possible and keep the gas in the tank in an emptying state;
2) collecting cooling liquid: a cooling liquid connecting pipe (4) of the maintenance device is hermetically connected with a liquid discharging port of the cooling device, the cooling liquid is discharged into the maintenance container, and at the moment, an air exhaust device can be connected with a vent pipe (1) to uniformly exhaust the air bag (2) so as to accelerate the discharge of the cooling liquid;
3) and (3) filling back the cooling liquid: after the cooling device is overhauled, a cooling liquid connecting pipe (4) of the overhauling device is hermetically connected with a liquid injection port of the cooling device; the air charging device is connected with the vent pipe (1), the air is charged into the air bag (2) of the maintenance device, and the cooling liquid is discharged and injected into the cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990940.5A CN111998580A (en) | 2020-09-19 | 2020-09-19 | Operation maintenance structure of high-voltage frequency converter evaporation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990940.5A CN111998580A (en) | 2020-09-19 | 2020-09-19 | Operation maintenance structure of high-voltage frequency converter evaporation cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111998580A true CN111998580A (en) | 2020-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010990940.5A Pending CN111998580A (en) | 2020-09-19 | 2020-09-19 | Operation maintenance structure of high-voltage frequency converter evaporation cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111998580A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113365474A (en) * | 2021-06-07 | 2021-09-07 | 深圳市睿智新能源汽车科技有限公司 | Motor controller for electric vehicle |
| CN115402648A (en) * | 2022-09-20 | 2022-11-29 | 北京航空航天大学 | Special-shaped liquid storage and discharge device with built-in leather bag and catheter |
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| CN103499168A (en) * | 2013-09-24 | 2014-01-08 | Tcl空调器(中山)有限公司 | Connecting device and air conditioner refrigerant injection device and method |
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| CN105584983A (en) * | 2014-10-21 | 2016-05-18 | 中国石油化工股份有限公司 | Airtight feeding and discharging device for volatile media and use method thereof |
| CN110425779A (en) * | 2019-08-28 | 2019-11-08 | 威立雅（哈尔滨）热电有限公司 | Recycle the device of refrigerant |
| CN211150278U (en) * | 2019-12-13 | 2020-07-31 | 山东捷远变压器有限公司 | Transformer oil conservator |
| CN212778073U (en) * | 2020-09-19 | 2021-03-23 | 北京首钢国际工程技术有限公司 | Operation maintenance structure of high-voltage frequency converter evaporation cooling system |
-
2020
- 2020-09-19 CN CN202010990940.5A patent/CN111998580A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2230111A1 (en) * | 2009-03-19 | 2010-09-22 | Texa S.p.A. | Determining the quantity/weight of oil supplied from a charging station to a vehicle air conditioning system. |
| CN202304328U (en) * | 2011-11-04 | 2012-07-04 | 合肥华宇橡塑设备有限公司 | Device for gas replacement of working chambers of oven/sintering furnaces |
| CN103499168A (en) * | 2013-09-24 | 2014-01-08 | Tcl空调器(中山)有限公司 | Connecting device and air conditioner refrigerant injection device and method |
| CN103738909A (en) * | 2013-12-30 | 2014-04-23 | 武汉长海高新技术有限公司 | Working substance filling and recycling device and method for organic Rankine cycle waste heat generator set |
| CN105584983A (en) * | 2014-10-21 | 2016-05-18 | 中国石油化工股份有限公司 | Airtight feeding and discharging device for volatile media and use method thereof |
| CN110425779A (en) * | 2019-08-28 | 2019-11-08 | 威立雅（哈尔滨）热电有限公司 | Recycle the device of refrigerant |
| CN211150278U (en) * | 2019-12-13 | 2020-07-31 | 山东捷远变压器有限公司 | Transformer oil conservator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113365474A (en) * | 2021-06-07 | 2021-09-07 | 深圳市睿智新能源汽车科技有限公司 | Motor controller for electric vehicle |
| CN113365474B (en) * | 2021-06-07 | 2021-11-30 | 深圳市睿智新能源汽车科技有限公司 | Motor controller for electric vehicle |
| CN115402648A (en) * | 2022-09-20 | 2022-11-29 | 北京航空航天大学 | Special-shaped liquid storage and discharge device with built-in leather bag and catheter |
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