CN202889177U - Water-cooling high power high frequency switching power supply device - Google Patents

Water-cooling high power high frequency switching power supply device Download PDF

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Publication number
CN202889177U
CN202889177U CN 201220591246 CN201220591246U CN202889177U CN 202889177 U CN202889177 U CN 202889177U CN 201220591246 CN201220591246 CN 201220591246 CN 201220591246 U CN201220591246 U CN 201220591246U CN 202889177 U CN202889177 U CN 202889177U
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China
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water
copper pipe
power
shaped copper
module
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Expired - Fee Related
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CN 201220591246
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Chinese (zh)
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杜贵平
何正东
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN 201220591246 priority Critical patent/CN202889177U/en
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Abstract

The utility model discloses a water-cooling high power high frequency switching power supply device which is divided into a high voltage area, a low voltage area and a control area; a control circuit is located in the control area; a main power circuit comprises the high voltage area and the low voltage area; the high voltage area comprises an alternating current contactor, a three-phase rectifying module, a first IGBT (Insulated Gate Bipolar Translator) semi-bridge module, a second IGBT semi-bridge module and a first water-cooling radiator; and the low voltage area comprises a circular transformer magnetic core, a primary winding of a power transformer, a first U-shaped copper pipe, a second U-shaped copper pipe, a second water-cooling radiator, a cathode output copper bar, an anode output copper bar, a first common cathode rectifying diode pipe module group, a second common cathode rectifying diode pipe module group and a filtering magnet ring. The water-cooling high power high frequency switching power supply device provided by the utility model is very compact in structure, high in power density, uniform in thermal distribution, low in use level of copper and aluminum products and low in cost, and is in particular suitable for the field of water-cooling high power high frequency switching power supplies.

Description

A kind of water-cooling type high-power high-frequency switch supply unit
Technical field
The utility model relates to a kind of low-voltage, high-current high frequency switch power that is applied to electroplate electrolysis, produces the industrial circles such as polysilicon monocrystalline silicon, charging, is specifically related to a kind of water-cooling type high-power high-frequency switch supply unit.
Background technology
Along with the miniaturization development trend of power electronic equipment, the power density of Switching Power Supply improves constantly, and the reliability of Switching Power Supply is faced with stern challenge.If structural design is talked about improperly, might cause fault because of excess Temperature, mechanical oscillation, electromagnetic interference etc. during the Switching Power Supply operation.Therefore, the quality of Switching Power Supply structural design directly have influence on switch power supply system can for a long time stable work.
At present, full-wave rectifying circuit is adopted in the rectification of low-voltage, high-current high-frequency switch power transformer secondary mostly ,Transformer secondary winding often forms two coils with tapped form, the normal operation copper bar consists of high frequency transformer secondary winding as connecting line, also there is the wire of use to replace copper bar as connecting line, but all have common shortcoming: length, complex structure, technological requirement are high, installation difficulty is large for line, the transformer heat radiation is undesirable, cause transformer and secondary winding temperature high, reduced the reliability of Switching Power Supply integral body.
The utility model content
The purpose of this utility model is to disclose the water-cooling type high-power high-frequency switch power supply architecture that a kind of compact conformation, power density are high, heat distribution is even, cost is low.
The utility model is for achieving the above object, and the technical scheme that adopts is as follows:
A kind of water-cooling type high-power high-frequency switch supply unit, comprise control circuit and main power circuit, described device is divided into higher-pressure region, low-pressure area and controlled area, control circuit is positioned at the controlled area, main power circuit comprises higher-pressure region and low-pressure area, and described higher-pressure region comprises A.C. contactor, three phase rectifier module, an IGBT half-bridge module, the 2nd IGBT half-bridge module and the first water-filled radiator; Low-pressure area comprises toroidal transformer magnetic core, the former limit of power transformer winding, the first U-shaped copper pipe, the second U-shaped copper pipe, the second water-filled radiator, negative pole output copper bar, anodal output copper bar, first group of common cathode rectifier diode module, second group of common cathode rectifier diode module and filtering magnet ring.
Further, described A.C. contactor, three phase rectifier module, an IGBT half-bridge module and the 2nd IGBT half-bridge module connect in turn, and three phase rectifier module, an IGBT half-bridge module, the 2nd IGBT half-bridge module are installed on the first water-filled radiator; Described the first U-shaped copper pipe and the second U-shaped copper pipe respectively have an end to pass the toroidal transformer magnetic core, jointly consist of power transformer secondary winding; Described the first U-shaped copper pipe pass the anode that one of toroidal transformer magnetic core terminates to first group of common cathode rectifier diode module, the other end is received negative pole output copper bar; The second U-shaped copper pipe do not pass the anode that one of toroidal transformer magnetic core terminates to second group of common cathode rectifier diode module, the other end is received negative pole output copper bar.
Further, described the first U-shaped copper pipe and the second U-shaped copper pipe curve the U font with a hollow copper tubing respectively, and the end that the first U-shaped copper pipe does not pass the toroidal transformer magnetic core end that passes the toroidal transformer magnetic core with the second U-shaped copper pipe that bends inwards is connected to negative pole output copper bar, and the second U-shaped copper pipe passes an end outward of toroidal transformer magnetic core.
Further, the end that described the first U-shaped copper pipe bends inwards and an end of the second U-shaped copper pipe outward pass together the filtering magnet ring and are connected to negative pole output copper bar, consist of output inductor.
Further, the negative electrode of described first, second two groups of common cathode rectifier diode modules is installed on the second water-filled radiator, and the second water-filled radiator is connected with anodal output copper bar; One end of the former limit of described power transformer winding is connected with the output of an IGBT half-bridge module, and the other end is connected with the output of the 2nd IGBT half-bridge module.
Further, described A.C. contactor, three phase rectifier module, an IGBT half-bridge module, the 2nd IGBT half-bridge module, negative pole output copper bar and the output copper bar of being connected are connected with control circuit by wire respectively.
Further, described controlled area separates by aluminium alloy plate and higher-pressure region, the low-pressure area that has the wire via hole, and higher-pressure region and low-pressure area separate by aluminium alloy plate.
Further, the former limit of described power transformer winding evenly is around in the toroidal transformer magnetic core by the multiply enamelled wire and consists of.
Further, described filtering magnet ring is made of a plurality of ferrocart core magnet ring stacks.
Further, described first group of common cathode rectifier diode module, second group of common cathode rectifier diode module all comprise a plurality of rectifier diode modules.
Further, cooling water flows through the second water-filled radiator, the first water-filled radiator, the first U-shaped copper pipe and the second U-shaped copper pipe successively, is tightly connected by braided construction hose between the second water-filled radiator, the first water-filled radiator, the first U-shaped copper pipe and the second U-shaped copper pipe.
As preferably, described the first water-filled radiator, the second water-filled radiator all optional usefulness have the aluminium sheet radiator of water stream channel.
Compare with the prior art scheme, the utlity model has following advantage and technique effect: the power transformer secondary winding of water-cooling type high-power high-frequency switch power supply of the present utility model is made of two copper pipes that curve the U font, two copper pipes respectively have an end to pass the toroidal transformer magnetic core, by cooling water two copper pipes are cooled off when work.Use at present copper bar or wire to consist of the low-voltage, high-current high-power high-frequency switch power supply of power transformer secondary winding because output current is large, frequency is high as connecting line, and be subject to the impact of kelvin effect, make that the effective conductive area of power transformer secondary winding bonding conductor diminishes, resistance increases, heating is serious, simultaneously owing to consist of the increase that the toroidal transformer magnetic core circular hole of power transformer has limited the sectional area of power transformer secondary winding conductor, make and reduce heating by increasing power transformer secondary winding sectional area and be restricted.Curve the U font by two copper pipes and pass the toroidal transformer magnetic core and consist of power transformer secondary winding and just do not have this problem and adopt.The power transformer secondary winding that uses simultaneously copper bar or wire to consist of as connecting line adopts wind cooling or naturally cooling, and the power transformer secondary winding of the utility model water-cooling type high-power high-frequency switch power supply is to use water cooling, has than air-cooled and naturally cool off the more radiating effect of significant effective.And the high-power high-frequency switch power supply for low-voltage, high-current, its output current is very large, generally all surpass 1000 amperes, add kelvin effect, its required cross-sectional area of conductor is long-pending very large, strengthened output inductor manufacture difficulty and cost, the utility model is enclosed within several ferrocart core magnet rings and consists of output inductor on the output lead, has well solved this problem.Above structural design makes very compact, succinct, the good heat dissipation effect of whole high-power high-frequency switch power supply architecture, saves a large amount of copper materials, aluminium, has reduced cost.
Description of drawings
Fig. 1 is the water-cooling type high-power high-frequency switch power supply architecture schematic diagram of execution mode.
Fig. 2 is the structural representation of the first U-shaped copper pipe among Fig. 1.
Fig. 3 is the structural representation of the second U-shaped copper pipe among Fig. 1.
Among the figure: 1. A.C. contactor, 2. three phase rectifier module, 3. an IGBT half-bridge module, 4. the 2nd IGBT half-bridge module, 5. the first water-filled radiator, 6. toroidal transformer magnetic core, 7. the former limit of power transformer winding, 8. the first U-shaped copper pipe, 9. the second U-shaped copper pipe, 10. first group of common cathode rectifier diode module, 11. second groups of common cathode rectifier diode modules, 12. second water-filled radiators, 13. anodal output copper bar, 14. negative pole output copper bar, 15. filtering magnet rings, 16. control circuits.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further and to be described in detail.
As shown in Figure 1, a kind of water-cooling type high-power high-frequency switch supply unit, comprise control circuit 16 and main power circuit, described device is divided into higher-pressure region, low-pressure area and controlled area, control circuit 16 is positioned at the controlled area, main power circuit comprises higher-pressure region and low-pressure area, and described higher-pressure region comprises A.C. contactor 1, three phase rectifier module 2, an IGBT half-bridge module 3, the 2nd IGBT half-bridge module 4 and the first water-filled radiator 5; Low-pressure area comprises toroidal transformer magnetic core 6, the former limit of power transformer winding 7, the first U-shaped copper pipe 8, the second U-shaped copper pipe 9, first group of common cathode rectifier diode module 10, second group of common cathode rectifier diode module 11, the second water-filled radiator 12, anodal output copper bar 13, negative pole output copper bar 14 and filtering magnet ring 15.
Described A.C. contactor 1, three phase rectifier module 2, an IGBT half-bridge module 3 and the 2nd IGBT half-bridge module 4 connect in turn, and three phase rectifier module 2, an IGBT half-bridge module 3, the 2nd IGBT half-bridge module 4 are installed on the first water-filled radiator 5; Described the first U-shaped copper pipe 8 and the second U-shaped copper pipe 9 respectively have an end to pass toroidal transformer magnetic core 6, jointly consist of power transformer secondary winding; Described the first U-shaped copper pipe 8 pass the anode that one of toroidal transformer magnetic core 6 terminates to first group of common cathode rectifier diode module 10, the other end is received negative pole output copper bar 14; The second U-shaped copper pipe 9 do not pass the anode that one of toroidal transformer magnetic core 6 terminates to second group of common cathode rectifier diode module 11, the other end is received negative pole output copper bar 14.
Shown in Fig. 2,3, described the first U-shaped copper pipe 8 and the second U-shaped copper pipe 9 curve the U font with a hollow copper tubing respectively, and the end that the first U-shaped copper pipe 8 does not pass toroidal transformer magnetic core 6 end that passes toroidal transformer magnetic core 6 with the second U-shaped copper pipe 9 that bends inwards is connected to the end outward that negative pole output copper bar 14, the second U-shaped copper pipes 9 pass toroidal transformer magnetic core 6.
One end of the end that described the first U-shaped copper pipe 8 bends inwards and the second U-shaped copper pipe 9 outwards passes together filtering magnet ring 15 and is connected to negative pole output copper bar 14, consists of output inductor.
The negative electrode of described first, second two groups of common cathode rectifier diode modules 10,11 is installed on the second water-filled radiator 12, and the second water-filled radiator 12 is connected with anodal output copper bar 13; One end of the former limit of described power transformer winding is connected with the output of an IGBT half-bridge module 3, and the other end is connected with the output of the 2nd IGBT half-bridge module 4.
Described A.C. contactor 1, three phase rectifier module 2, an IGBT half-bridge module 3, the 2nd IGBT half-bridge module 4, negative pole output copper bar 14 and the output copper bar 13 of being connected are connected with control circuit 16 by wire respectively.
Described controlled area separates by aluminium alloy plate and higher-pressure region, the low-pressure area that has the wire via hole, and higher-pressure region and low-pressure area separate by aluminium alloy plate.
The former limit of described power transformer winding evenly is around in toroidal transformer magnetic core 6 by the multiply enamelled wire and consists of.
As preferably, described filtering magnet ring 15 is made of 5 ferrocart core magnet rings stacks.
As preferably, described first group of common cathode rectifier diode module 10, second group of common cathode rectifier diode module 11 all comprise 6 rectifier diode modules.
As preferably, described the first water-filled radiator 5, the second water-filled radiator 12 all optional usefulness have the aluminium sheet radiator of water stream channel.
Cooling water flows through the second water-filled radiator, the first water-filled radiator, the first U-shaped copper pipe and the second U-shaped copper pipe successively, is tightly connected by braided construction hose between the second water-filled radiator, the first water-filled radiator, the first U-shaped copper pipe and the second U-shaped copper pipe.
It is 60V that this water-cooling type high-power high-frequency switch power supply architecture is applied in an output dc voltage the highest, maximum output DC stream is on the monocrystalline silicon polycrystalline silicon growth power supply of 600A, move four months, each continuously full-load run 7 hours, the two U-shaped copper pipe temperature that consist of power transformer secondary winding are all very low, temperature is high 1 ℃-5 ℃ than cooling water only, remove the temperature rise of toroidal transformer magnetic core about 50 ℃, all the other power device temperature rises are all within 30 ℃, and all can reach stable in half an hour, reliability is high.
This water-cooling type high-power high-frequency switch power supply architecture is few with copper material, aluminium, provide cost savings, structure is very compact, succinct, heat distribution is even, temperature rise is low, good heat dissipation effect, phase mutual interference are little, have very high stability and reliability, be particularly suitable for being applied in above the high-power high-frequency switch power supply of low-voltage, high-current.
Specific embodiment described herein only is specifying the utility model spirit; those skilled in the art can make various modifications to this specific embodiment or replenish or adopt similar mode to substitute under the prerequisite of principle of the present utility model and essence, but these are changed and all fall into protection range of the present utility model.Therefore the utility model technical scope is not limited to above-described embodiment.

Claims (10)

1. water-cooling type high-power high-frequency switch supply unit, comprise control circuit and main power circuit, it is characterized in that described device is divided into higher-pressure region, low-pressure area and controlled area, control circuit is positioned at the controlled area, main power circuit comprises higher-pressure region and low-pressure area, and described higher-pressure region comprises A.C. contactor, three phase rectifier module, an IGBT half-bridge module, the 2nd IGBT half-bridge module and the first water-filled radiator; Low-pressure area comprises toroidal transformer magnetic core, the former limit of power transformer winding, the first U-shaped copper pipe, the second U-shaped copper pipe, the second water-filled radiator, negative pole output copper bar, anodal output copper bar, first group of common cathode rectifier diode module, second group of common cathode rectifier diode module and filtering magnet ring.
2. water-cooling type high-power high-frequency switch supply unit according to claim 1, it is characterized in that: described A.C. contactor, three phase rectifier module, an IGBT half-bridge module and the 2nd IGBT half-bridge module connect in turn, and three phase rectifier module, an IGBT half-bridge module, the 2nd IGBT half-bridge module are installed on the first water-filled radiator; Described the first U-shaped copper pipe and the second U-shaped copper pipe respectively have an end to pass the toroidal transformer magnetic core, jointly consist of power transformer secondary winding; Described the first U-shaped copper pipe pass the anode that one of toroidal transformer magnetic core terminates to first group of common cathode rectifier diode module, the other end is received negative pole output copper bar; The second U-shaped copper pipe do not pass the anode that one of toroidal transformer magnetic core terminates to second group of common cathode rectifier diode module, the other end is received negative pole output copper bar.
3. water-cooling type high-power high-frequency switch supply unit according to claim 1 and 2, it is characterized in that: described the first U-shaped copper pipe and the second U-shaped copper pipe curve the U font with a hollow copper tubing respectively, and the end that the first U-shaped copper pipe does not pass the toroidal transformer magnetic core end that passes the toroidal transformer magnetic core with the second U-shaped copper pipe that bends inwards is connected to negative pole output copper bar, and the second U-shaped copper pipe passes an end outward of toroidal transformer magnetic core; The end that described the first U-shaped copper pipe bends inwards and an end of the second U-shaped copper pipe outward pass together the filtering magnet ring and are connected to negative pole output copper bar, consist of output inductor.
4. water-cooling type high-power high-frequency switch supply unit according to claim 2, it is characterized in that: the negative electrode of described first, second two groups of common cathode rectifier diode modules is installed on the second water-filled radiator, and the second water-filled radiator is connected with anodal output copper bar; One end of the former limit of described power transformer winding is connected with the output of an IGBT half-bridge module, and the other end is connected with the output of the 2nd IGBT half-bridge module.
5. water-cooling type high-power high-frequency switch supply unit according to claim 1 is characterized in that: described A.C. contactor, three phase rectifier module, an IGBT half-bridge module, the 2nd IGBT half-bridge module, negative pole output copper bar and be connected and exports copper bar and be connected with control circuit by wire respectively.
6. described water-cooling type high-power high-frequency switch power supply according to claim 1 is characterized in that described controlled area separates by aluminium alloy plate and higher-pressure region, the low-pressure area that has the wire via hole, and higher-pressure region and low-pressure area separate by aluminium alloy plate.
7. described water-cooling type high-power high-frequency switch power supply according to claim 1 is characterized in that the former limit of power transformer winding evenly is around in the toroidal transformer magnetic core by the multiply enamelled wire and consists of.
8. water-cooling type high-power high-frequency switch power supply according to claim 1 is characterized in that described filtering magnet ring is made of a plurality of ferrocart core magnet ring stacks.
9. water-cooling type high-power high-frequency switch power supply according to claim 1 is characterized in that described first group of common cathode rectifier diode module, second group of common cathode rectifier diode module all comprise a plurality of rectifier diode modules.
10. water-cooling type high-power high-frequency switch power supply according to claim 1, it is characterized in that cooling water flows through the second water-filled radiator, the first water-filled radiator, the first U-shaped copper pipe and the second U-shaped copper pipe successively, is tightly connected by braided construction hose between the second water-filled radiator, the first water-filled radiator, the first U-shaped copper pipe and the second U-shaped copper pipe.
CN 201220591246 2012-11-12 2012-11-12 Water-cooling high power high frequency switching power supply device Expired - Fee Related CN202889177U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102957302A (en) * 2012-11-12 2013-03-06 华南理工大学 Water-cooled high-power high-frequency switching power supply device
CN103811881A (en) * 2014-03-13 2014-05-21 西安电炉研究所有限公司 High-current tubular water-cooled compensator
CN106385183A (en) * 2016-09-30 2017-02-08 广东顺德三扬科技股份有限公司 High-frequency rectification device
CN106452105A (en) * 2016-09-30 2017-02-22 广东顺德三扬科技股份有限公司 High frequency rectification equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102957302A (en) * 2012-11-12 2013-03-06 华南理工大学 Water-cooled high-power high-frequency switching power supply device
CN103811881A (en) * 2014-03-13 2014-05-21 西安电炉研究所有限公司 High-current tubular water-cooled compensator
CN106385183A (en) * 2016-09-30 2017-02-08 广东顺德三扬科技股份有限公司 High-frequency rectification device
CN106452105A (en) * 2016-09-30 2017-02-22 广东顺德三扬科技股份有限公司 High frequency rectification equipment
CN106452105B (en) * 2016-09-30 2019-12-13 广东顺德三扬科技股份有限公司 High-frequency rectifying equipment

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130417

Termination date: 20171112

CF01 Termination of patent right due to non-payment of annual fee