CN201898429U - Oil-immersed high-frequency switching power source - Google Patents
Oil-immersed high-frequency switching power source Download PDFInfo
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- CN201898429U CN201898429U CN2010206011558U CN201020601155U CN201898429U CN 201898429 U CN201898429 U CN 201898429U CN 2010206011558 U CN2010206011558 U CN 2010206011558U CN 201020601155 U CN201020601155 U CN 201020601155U CN 201898429 U CN201898429 U CN 201898429U
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Abstract
The utility model belongs to the technical field of high-frequency power sources, and particularly relates to an oil-immersed high-frequency switching power source, which comprises a sealed case. Insulating oil is filled in the sealed case, a first channel is arranged on the case, cables enter and exist from the case via the first channel, and a sealing device is disposed on the first channel. The case of the high-frequency switching power source is sealed, and the insulating oil is filled in the sealed case, so that both a circuit board component of the high-frequency switching power source and a transformer are immersed in the oil during operation. Accordingly, the oil-immersed high-frequency switching power source adopting the cooling mode prevents the circuit board component of the high-frequency switching power source from contacting with harmful acidic gas in an external operating environment and salt mist particles generated during operation, guarantees cleanness of an integral machine, and also timely dissipates heat generated by an IGBT (insulated gate bipolar transistor) module, a rectifier tube and a high-frequency transformer, consequentially, failure rate of the high-frequency switching power source is greatly decreased, operational stability of the high-frequency switching power source is guaranteed, and the service life of the high-frequency switching source is prolonged.
Description
Technical field
The utility model belongs to the high frequency electric source technical field, is specifically related to a kind of oil immersed type high frequency switch power.
Background technology
Existing common high frequency switch power all adopts the natural wind cooling, the circuit board level that also is about to high frequency switch power is placed, natural wind from circuit board surface by and the heat that electronic devices and components produced taken away, thereby reach cooling purpose so that Switching Power Supply is kept operate as normal.Yet owing to have the salt fog gas of high temperature, high humidity and peracid in the environment of high frequency switch power work mostly, the above-mentioned type of cooling of existing high frequency switch power makes cooling air pass through from circuit board surface, electronic devices and components on will certainly the open circuit potential plate, thereby not only influenced the job stability of high frequency switch power, reduced the useful life of equipment greatly.
Summary of the invention
The purpose of this utility model provides a kind of oil immersed type high frequency switch power, and it is simple in structure, good cooling results, good stability and long service life.
For achieving the above object, the utility model has adopted following technical scheme: a kind of oil immersed type high frequency switch power, be filled with insulation fluid in the casing of sealing, and casing is provided with the first passage for the cable turnover, and the first passage place is provided with sealing device.
The beneficial effects of the utility model are: because the casing in this high frequency switch power is a closed, and be filled with insulation fluid in the casing of closed, the circuit board assemblies of high frequency switch power and transformer all are immersed in the fluid during work, this type of cooling make high frequency switch power circuit board assemblies no longer with external working environment in harmful sour gas and work in the salt fog particle that produces contact, the cleaning that has guaranteed complete machine is clean, make the IGBT module simultaneously, the heat that rectifying tube and high frequency transformer produce dissipates timely, thereby greatly reduce the failure rate of high frequency switch power, guarantee the stability of its work, prolonged its useful life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a cooling system schematic diagram of the present utility model;
Fig. 3 is the cooling system schematic diagram of a plurality of casing parallel connections.
Embodiment
As shown in Figure 1, a kind of oil immersed type high frequency switch power is filled with insulation fluid in the casing 10 of sealing, and the upper surface of casing 10 is provided with the first passage 13 for the cable turnover, and first passage 13 places are provided with sealing device.
The upside of casing 10 also is provided with power controling box and positive electrode and negative electrode connector usually.
As long as the heat generating component that described insulation fluid floods in the high frequency switch power can play favorable cooling effect, insulation fluid is full of whole box body 10 usually during real work.
The transformer of high frequency switch power and circuit board assemblies all stretch out the casing outside from first passage 13 places with the cable that the equipment in casing 10 outsides is connected, because first passage 13 is arranged on the upper surface of casing 10, therefore do not have insulation fluid and spill, can reduce first passage 13 place's cost of sealing structure yet from the passage place.
As preferred version of the present utility model, the upper surface of described casing 10 is provided with the second channel 15 of fuel feed pump turnover, the lower surface is provided with drain tap 16, second channel 15 places are provided with sealing device, then help insulation fluid is injected into the inside of casing 10, the fluid that also helps insulating simultaneously is by drain tap 16 places emptying.
Further, described casing 10 is provided with the fuel level sensor probe 30 and/or the fluid that are electrically connected with controller 50 and observes groove 14, determines pasta liquid level in the casing 10 to help the staff, and can replenish fluid timely.
Shown in Fig. 2,3, oil pipe comprises inflow pipeline 11 and oil-drain pipe 12, inflow pipeline 11 is provided with electromagnetically operated valve 20, also is provided with temperature sensor 40 on the casing 10, and described electromagnetically operated valve 20, fuel level sensor probe 30 and temperature sensor 40 all are electrically connected with controller 50.
Preferably, also be provided with the flowmeter 17 that is electrically connected with controller 50 on the inflow pipeline 11.
Described inflow pipeline 11 all links to each other with the circulation fuel tank 60 that is arranged on casing 10 outsides with oil-drain pipe 12, and inflow pipeline 11 and/or oil-drain pipe 12 are provided with oil circulating pump 70.
The actual temperature value that controller 50 is measured according to temperature sensor 40 determines the opening degree of electromagnetically operated valve 20, so that the temperature values in the casing 10 of high frequency switch power are stabilized in the scope interval that sets.
Shown in Fig. 2,3, be provided with the constant temperature regulator 61 that is electrically connected with controller 30 in the described circulation fuel tank 60.
Below control system of the present utility model is elaborated:
Electromagnetically operated valve 20, fuel level sensor probe 30, temperature sensor 40, flowmeter 17, constant temperature regulator 61 and controller 50 have been formed control system jointly.
Fuel level sensor probe 30 also is set to a plurality of usually, when the liquid level of fuel level sensor probe 30 fluid that record is lower than the position of setting, controller 50 control electromagnetically operated valves 20 are opened, Control Circulation oil pump 70 actions simultaneously to be refueling in casing 10, when the fluid liquid level in casing 10 reaches desired location till.
Temperature value signal in the circulation fuel tank 60 that actual temperature value in the casing 10 that controller 50 reception temperature sensors 40 are measured and/or constant temperature regulator 61 are measured, determine the opening degree of electromagnetically operated valve 20 then, so that the temperature value in the casing 10 of high frequency switch power is stabilized in the scope interval that sets.
Described casing 10 is provided with two at least.
Described each casing 10 shared circulation fuel tanks 60, and inflow pipeline and oil-drain pipe on any two casings 10 connect successively, as shown in Figure 3.
In said structure, a plurality of casings 10 are in the same cooling system, and inflow pipeline and oil-drain pipe on these a plurality of casings 10 are connected successively, temperature sensor 40 on a plurality of casings 10, flowmeter 17 on the inflow pipeline 11, constant temperature regulator 61 in the circulation fuel tank 60 and electromagnetically operated valve 20 also all are electrically connected with a controller 50, casing 10 thus, electromagnetically operated valve 20, fuel level sensor probe 30, temperature sensor 40, flowmeter 17, constant temperature regulator 61 and controller 50, circulation fuel tank 60, oil circulating pump 70 has constituted a large-scale cooling system, is specially adapted to the workplace that a plurality of high frequency switch powers are worked simultaneously.
Claims (9)
1. oil immersed type high frequency switch power, it is characterized in that: the casing of sealing is filled with insulation fluid in (10), and casing (10) is provided with the first passage (13) for the cable turnover, and first passage (13) locates to be provided with sealing device.
2. oil immersed type high frequency switch power according to claim 1, it is characterized in that: described first passage (13) is arranged on the upper surface of casing (10), also be provided with the second channel (15) of fuel feed pump turnover on the upper surface of casing (10), the lower surface is provided with drain tap (16), and second channel (15) locates to be provided with sealing device.
3. oil immersed type high frequency switch power according to claim 2 is characterized in that: described casing (10) is provided with the fuel level sensor probe (30) and/or the fluid that are electrically connected with controller (50) and observes groove.
4. oil immersed type high frequency switch power according to claim 3, it is characterized in that: described oil pipe comprises inflow pipeline (11) and oil-drain pipe (12), inflow pipeline (11) is provided with electromagnetically operated valve (20), also be provided with temperature sensor (40) on the casing (10), described electromagnetically operated valve (20), fuel level sensor probe (30) and temperature sensor (40) all are electrically connected with controller (50).
5. oil immersed type high frequency switch power according to claim 4 is characterized in that: described inflow pipeline (11) is provided with the flowmeter (17) that is electrically connected with controller (50).
6. oil immersed type high frequency switch power according to claim 4, it is characterized in that: described inflow pipeline (11) and oil-drain pipe (12) all link to each other with the circulation fuel tank (60) that is arranged on casing (10) outside, and inflow pipeline (11) and/or oil-drain pipe (12) are provided with oil circulating pump (70).
7. according to each described oil immersed type high frequency switch power of claim 1～6, it is characterized in that: described casing (10) is provided with two at least.
8. oil immersed type high frequency switch power according to claim 7 is characterized in that: the shared circulation fuel tank of described each casing (10) (60), and inflow pipeline and oil-drain pipe on any two casings (10) are connected successively.
9. according to claim 6 or 8 described oil immersed type high frequency switch powers, it is characterized in that: be provided with the constant temperature regulator (61) that is electrically connected with controller (50) in the described circulation fuel tank (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206011558U CN201898429U (en) | 2010-11-11 | 2010-11-11 | Oil-immersed high-frequency switching power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206011558U CN201898429U (en) | 2010-11-11 | 2010-11-11 | Oil-immersed high-frequency switching power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201898429U true CN201898429U (en) | 2011-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206011558U Expired - Fee Related CN201898429U (en) | 2010-11-11 | 2010-11-11 | Oil-immersed high-frequency switching power source |
Country Status (1)
| Country | Link |
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| CN (1) | CN201898429U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066863A (en) * | 2012-12-25 | 2013-04-24 | 保定天威集团(江苏)五洲变压器有限公司 | Two-in-one voltage transformation rectifying device |
| CN105722376A (en) * | 2016-04-08 | 2016-06-29 | 珠海思齐电动汽车设备有限公司 | Oil-immersed electronic device radiating system |
| CN107482881A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The high efficiency radiation method of Switching Power Supply |
| CN107482880A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The Switching Power Supply of high efficiency and heat radiation |
| CN108270342A (en) * | 2018-02-28 | 2018-07-10 | 湖州旭源电气科技有限公司 | A kind of oil-immersed high-frequency switching power source |
| CN112573472A (en) * | 2020-11-18 | 2021-03-30 | 贵州贵航飞机设计研究所 | Pre-selection refueling control system and refueling method |
-
2010
- 2010-11-11 CN CN2010206011558U patent/CN201898429U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066863A (en) * | 2012-12-25 | 2013-04-24 | 保定天威集团(江苏)五洲变压器有限公司 | Two-in-one voltage transformation rectifying device |
| CN105722376A (en) * | 2016-04-08 | 2016-06-29 | 珠海思齐电动汽车设备有限公司 | Oil-immersed electronic device radiating system |
| CN107482881A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The high efficiency radiation method of Switching Power Supply |
| CN107482880A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The Switching Power Supply of high efficiency and heat radiation |
| CN107482880B (en) * | 2017-08-18 | 2019-08-27 | 重庆路格科技有限公司 | The Switching Power Supply of high efficiency and heat radiation |
| CN107482881B (en) * | 2017-08-18 | 2019-08-27 | 重庆路格科技有限公司 | The high efficiency radiation method of Switching Power Supply |
| CN108270342A (en) * | 2018-02-28 | 2018-07-10 | 湖州旭源电气科技有限公司 | A kind of oil-immersed high-frequency switching power source |
| CN112573472A (en) * | 2020-11-18 | 2021-03-30 | 贵州贵航飞机设计研究所 | Pre-selection refueling control system and refueling method |
| CN112573472B (en) * | 2020-11-18 | 2022-05-31 | 贵州贵航飞机设计研究所 | Pre-selection refueling control system and refueling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Penghong science and Technology Development Co. Ltd. Assignor: Dong Yunzhi Contract record no.: 2012340000090 Denomination of utility model: Oil-immersed high-frequency switching power source Granted publication date: 20110713 License type: Exclusive License Record date: 20120331 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hefei Penghong science and Technology Development Co. Ltd. Assignor: Dong Yunzhi Contract record no.: 2012340000090 Date of cancellation: 20120419 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Penghong science and Technology Development Co. Ltd. Assignor: Dong Yunzhi Contract record no.: 2012340000137 Denomination of utility model: Oil-immersed high-frequency switching power source Granted publication date: 20110713 License type: Exclusive License Record date: 20120423 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20111111 |