CN107538154A - IGBT protection devices and IGBT module - Google Patents
IGBT protection devices and IGBT module Download PDFInfo
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- CN107538154A CN107538154A CN201610496461.1A CN201610496461A CN107538154A CN 107538154 A CN107538154 A CN 107538154A CN 201610496461 A CN201610496461 A CN 201610496461A CN 107538154 A CN107538154 A CN 107538154A
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- igbt
- single tubes
- protection devices
- pcb board
- driving plate
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Abstract
The invention discloses a kind of IGBT protection devices and IGBT module.A kind of IGBT protection devices, for protecting IGBT single tubes, IGBT single tubes are connected with driving plate, and IGBT protection devices are arranged between driving plate and IGBT single tubes, and hide IGBT single tubes towards the surface of driving plate；Pin bores are offered in IGBT protection devices, for accommodating the pin of IGBT single tubes.A kind of IGBT module, including IGBT single tubes and driving plate, IGBT single tubes connect with driving plate, include the IGBT protection devices of above-mentioned any one.Above-mentioned IGBT protection devices and IGBT module; IGBT single tubes are covered towards the side of driving plate by IGBT protection devices; it is exposed outside to avoid IGBT single tubes; so as to when work; dust will not be adsorbed on the IGBT single tubes; short circuit or blast are to avoid, improves the security of welding machine electric power.
Description
Technical field
The present invention relates to welding machine manufacturing field, more particularly to a kind of IGBT protection devices and IGBT module.
Background technology
In welding machine industry, the internal structure of the source of welding current is mainly sandwich construction or tower structure.
If power source internal is divided into dried layer by sandwich construction, each layer is planned according to function or electrical equipment classification.Tower structure
Framework will be barricaded as using sheet metal component or moulding inside welding machine, circuit board, radiator etc. are fixed on framework
To meet power supply architecture requirement.
IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) have high-frequency,
High voltage, high current, especially easily the performance characteristics of switch and break-make are widely used in the source of welding current.
Traditional IGBT single tubes are directly welded in IGBT board, then are screwed face on a heat sink, so that
It is exposed outside to obtain IGBT single tubes, when welding machine is in use by fan to radiator heat-dissipation, meeting
Dust is blown into outside from welding machine can make dust accumulation on IGBT single tubes to welding machine the inside, long time integration, from
And make IGBT that short circuit occur or even explode, so as to which security risk is higher.
The content of the invention
Based on this, it is necessary to for the safety problem of above-mentioned IGBT single tubes, there is provided a kind of IGBT protection devices
And IGBT module.
A kind of IGBT protection devices, for protecting IGBT single tubes, the IGBT single tubes connect with driving plate,
The IGBT protection devices are arranged between the driving plate and the IGBT single tubes, and cover the IGBT
Single tube is towards the surface of the driving plate；Pin bores are offered in the IGBT protection devices, for accommodating
State the pin of IGBT single tubes.
Above-mentioned IGBT protection devices, by covering IGBT single tubes towards the side of driving plate, avoid IGBT
Single tube is exposed outside, so as to which when work, dust will not be adsorbed on the IGBT single tubes, in order to avoid
Generation short circuit or blast, improve the security of welding machine electric power.
In one of the embodiments, the IGBT protection devices seal the IGBT single tubes and the driving
Gap between plate.
In one of the embodiments, pin pipe is provided with the IGBT protection devices, it is described for protecting
The pin of IGBT single tubes.
A kind of IGBT module, including IGBT single tubes and driving plate, the IGBT single tubes connect with driving plate,
Also include the IGBT protection devices described in above-mentioned any one.
Above-mentioned IGBT module, IGBT single tubes are covered towards the side of driving plate by IGBT protection devices,
It is exposed outside to avoid IGBT single tubes, so as to which when work, dust will not be adsorbed in the IGBT
On single tube, short circuit or blast are to avoid, improves the security of welding machine electric power.
In one of the embodiments, in addition to radiating insulating plate and radiator, IGBT single tubes and described
Radiator is connected, and the radiating insulating plate is arranged between the IGBT single tubes and the radiator, described to dissipate
IGBT dead slots are offered in thermal insulation panel, the IGBT dead slots and the IGBT single tubes are adapted, be used for
Accommodate the IGBT single tubes.
In one of the embodiments, the IGBT single tubes and the radiator are detachably connected.
In one of the embodiments, in addition to installing plate, the driving plate are arranged on the one of the installing plate
Side, the radiating insulating plate are arranged on the opposite side of the installing plate.
In one of the embodiments, the driving plate includes the first pcb board, the second pcb board and PCB
Plate fixed seat, first pcb board and second pcb board are connected by the pcb board fixed seat,
The IGBT single tubes connect with second pcb board.
In one of the embodiments, the pcb board fixed seat is multiple.
In one of the embodiments, first pcb board and/or second pcb board and the PCB
Plate fixed seat is detachably connected.
Brief description of the drawings
Fig. 1 is the structural representation of the IGBT protection devices of one embodiment of the invention；
Fig. 2 a, Fig. 2 b are the top view and front view of the IGBT protection devices of one embodiment of the invention；
Fig. 3 is the decomposing schematic representation of the IGBT module of one embodiment of the invention；
Fig. 4 is the scheme of installation of the IGBT module of embodiment illustrated in fig. 3；
Fig. 5 is the structural representation of the pcb board installing plate of the IGBT module of embodiment illustrated in fig. 3；
Fig. 6 is the structural representation of the radiator insulation board of the IGBT module of embodiment illustrated in fig. 3.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is right below in conjunction with the accompanying drawings
The embodiment of the present invention is described in detail.Elaborate in the following description many details with
It is easy to fully understand the present invention.But the present invention can be come in fact with being much different from other manner described here
Apply, those skilled in the art can make similar improvements without departing from the spirit of the invention, therefore this hair
It is bright not limited by following public specific implementation.
Fig. 1 is referred to, is the structural representation of the IGBT protection devices of one embodiment of the invention.As illustrated,
IGBT protection devices 120 are used to protect IGBT single tubes 130, the IGBT single tubes 130 and driving plate 110
Connection, IGBT protection devices 120 are arranged between driving plate 110 and IGBT single tubes 130, and cover IGBT
Single tube 130 is provided with pin bores 121 towards the surface of driving plate 110 in IGBT protection devices 120, uses
In the pin for accommodating IGBT single tubes 130.So IGBT protection devices 120 will cover IGBT single tubes 130
Towards the side of driving plate 110, it is exposed outside to avoid this side of IGBT single tubes 130, and protects
The pin of IGBT single tubes 130, so as to which when work, dust will not be adsorbed in the IGBT single tubes 130
On, short circuit or blast are to avoid, improves the security of welding machine electric power.
Refer to Fig. 2 a and Fig. 2 b, respectively the top view of the IGBT protection devices of embodiment illustrated in fig. 1 and
Front view.As illustrated, pin pipe 122 is additionally provided with the IGBT protection devices 120, for accommodating IGBT
The pin of single tube 120, the height of the usual pin pipe 122 are slightly below the height of pin of IGBT single tubes 130.
So as to ensure that IGBT single tubes 130 can connect with driving plate 110 and protect IGBT single tubes 130 simultaneously
Pin be not exposed outside.In other examples, the IGBT protection devices 120 can also be pasted closely
Close between driving plate 110 and IGBT single tubes 130, so as to seal driving plate 110 and IGBT single tubes 130
Between space, it is ensured that the integrality that IGBT single tubes 130 are protected, improve the safety of IGBT single tubes 130
Property.
Preferably, the IGBT protection devices 120 can be multiple that each IGBT protection devices 120 match
One IGBT single tube 130.Consequently facilitating dismounting and replacing, if partial destruction, can partly be changed,
It is cost-effective.In one of the embodiments, the IGBT protection devices 120 can also be an overall structure,
Multiple IGBT single tubes 130 can be accommodated simultaneously, and such sealing structure and protectiveness are more preferable.
Refer to Fig. 3 and Fig. 4, the respectively IGBT module of one embodiment of the invention decomposition texture schematic diagram
And scheme of installation.As shown in figure 3, the IGTB modules 100 include, and driving plate 110, IGBT protections
Device 120, IGBT single tubes 130.The IGBT single tubes 130 and driving plate 110 connect, IGBT protection dresses
Put 120 to be arranged between driving plate 110 and IGBT single tubes 130, and cover IGBT single tubes 130 towards drive
The surface of dynamic plate 110.So IGBT protection devices 120 will cover IGBT single tubes 130 towards driving plate 110
Side, it is exposed outside to avoid this side of IGBT single tubes 130, and protects IGBT single tubes 130
Pin, so as to when work when, dust will not be adsorbed on the IGBT single tubes 130, to avoid
Short circuit or blast, improve the security of welding machine electric power.
Driving plate 110 also includes the first pcb board 111, the second pcb board 112 and PCB in the present embodiment
Plate fixed seat 113, the first pcb board 111 and the second pcb board 112 are connected by pcb board fixed seat 113,
IGBT single tubes 200 are connected on the second pcb board 112.Preferably, pcb board fixed seat 113 and
One pcb board 111 and the second pcb board 112 are to be detachably connected, and are referred to as shown in figure 5, Fig. 5
For the structural representation of the pcb board fixed seat of embodiment illustrated in fig. 3 IGBT module.Pcb board fixed seat 113
Edge be provided with double wedge 113a, such first pcb board 111 can be fixed by screws in pcb board and fix
On seat 113, and pcb board fixed seat 113 can be fixed on second in a snap-fit manner by double wedge 113a
When on pcb board 112, being so easily installed and detachable maintaining, and then reducing machine assembler, so as to save
Cost.It is appreciated that double wedge 113a can also be flexible tongue piece or other bayonet units.It is logical
After in the present embodiment, the pcb board fixed seat 113 can be multiple, so as to more stably connect
First pcb board 111 and the second pcb board 112.
Incorporated by reference to Fig. 3 and Fig. 6, Fig. 6 is the radiator insulation board of the IGBT module of embodiment illustrated in fig. 3
Structural representation.In the present embodiment, the IGBT protection devices 100 also include radiator 140 and radiating is exhausted
Listrium 150, IGBT single tubes 130 and radiator 140 connect, it is preferred that IGBT single tubes 130 and radiator
140 be to be detachably connected, for example is connected by screw.Radiating insulating plate 150 is arranged on IGBT single tubes 130
Between radiator 140, IGBT dead slots 151 are offered on the radiating insulating plate 150, the IGBT dead slots
151 and IGBT single tubes 130 are adapted, for accommodating IGBT single tubes 130.Wherein, IGBT dead slots 151
It is adapted, being adapted not exclusively on size shape, is also fitted including quantitative phase with IGBT single tubes 130
Match somebody with somebody, when there are multiple IGBT single tubes 130, the radiating insulating plate 150 will accordingly offer multiple IGBT
Dead slot 151, more relevantly to accommodate IGBT single tubes 130, and seal IGBT single tubes 130 and radiator
Space between 140.So, IGBT single tubes 130 and radiator 140 are arranged on by radiating insulating plate 150
Between, further protect the bottom of IGBT single tubes 130 to be not exposed to outside, when work, powder
Dirt will not be adsorbed on the IGBT single tubes, to avoid short circuit or blast, improve the peace of welding machine electric power
Quan Xing.Simultaneously because IGBT single tubes 130 are the equal of to be embedded in radiating insulating plate 150, therefore IGBT
Single tube 130 is protected by radiating insulating plate 150 and IGBT protection devices 120 completely, greatly improves
Security.
Fig. 3 is referred to, in the present embodiment, the IGBT protection devices 100 also include installing plate 160, drive
Dynamic plate 110 and radiating insulating plate 150 are separately mounted to the both sides of installing plate 160.So as to by driving plate
110th, radiator 140, radiating insulating plate 150 and IGBT single tubes 130 have been fixed on together so that knot
The more compact stabilization of structure.And so radiating insulating plate 150 is also acted driving plate 110 and radiator 140
The effect of insulation, further increases security.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, can also make it is some deformation and
Improve, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is defined.
Claims (10)
- A kind of 1. IGBT protection devices, for protecting IGBT single tubes, the IGBT single tubes and driving plate Connection, it is characterised in that the IGBT protection devices be arranged on the driving plate and the IGBT single tubes it Between, and the IGBT single tubes are covered towards the surface of the driving plate；Opened up in the IGBT protection devices There are pin bores, for accommodating the pin of the IGBT single tubes.
- 2. IGBT protection devices according to claim 1, it is characterised in that the IGBT protections Device seals the gap between the IGBT single tubes and the driving plate.
- 3. IGBT protection devices according to claim 1, it is characterised in that the IGBT protections Pin pipe is provided with device, for protecting the pin of the IGBT single tubes.
- 4. a kind of IGBT module, including IGBT single tubes and driving plate, the IGBT single tubes and driving plate Connection, it is characterised in that also including the IGBT protection devices described in claims 1 to 3 any one.
- 5. IGBT module according to claim 4, it is characterised in that also including radiating insulating plate and Radiator, the IGBT single tubes connect with the radiator, and the radiating insulating plate is arranged on the IGBT Between single tube and the radiator, IGBT dead slots, the IGBT dead slots are offered on the radiating insulating plate It is adapted with the IGBT single tubes, for accommodating the IGBT single tubes.
- 6. IGBT module according to claim 4, it is characterised in that the IGBT single tubes and institute Radiator is stated to be detachably connected.
- 7. IGBT module according to claim 4, it is characterised in that described also including installing plate Driving plate is arranged on the side of the installing plate, and the radiating insulating plate is arranged on the opposite side of the installing plate.
- 8. according to the IGBT module described in claim 4 to 7 any one, it is characterised in that the drive Dynamic plate includes the first pcb board, the second pcb board and pcb board fixed seat, first pcb board and described Second pcb board is connected by the pcb board fixed seat, the IGBT single tubes and second pcb board Connection.
- 9. IGBT module according to claim 8, it is characterised in that the pcb board fixed seat is It is multiple.
- 10. IGBT module according to claim 9, it is characterised in that first pcb board and/ Or second pcb board and the pcb board fixed seat are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496461.1A CN107538154A (en) | 2016-06-29 | 2016-06-29 | IGBT protection devices and IGBT module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496461.1A CN107538154A (en) | 2016-06-29 | 2016-06-29 | IGBT protection devices and IGBT module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107538154A true CN107538154A (en) | 2018-01-05 |
Family
ID=60965967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610496461.1A Pending CN107538154A (en) | 2016-06-29 | 2016-06-29 | IGBT protection devices and IGBT module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107538154A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248469A (en) * | 2019-05-09 | 2019-09-17 | 伊顿智能动力有限公司 | The mounting base and uninterruptible power supply of switching tube |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08279592A (en) * | 1995-04-06 | 1996-10-22 | Fuji Electric Co Ltd | Assembly structure of switching power source rectifier |
| CN201128046Y (en) * | 2007-11-28 | 2008-10-08 | 上海威特力焊接设备制造股份有限公司 | Assembling structure of welder |
| CN201788962U (en) * | 2010-08-31 | 2011-04-06 | 昆山瑞凌焊接科技有限公司 | Radiating structure of radiator and device adopting radiating structure |
| CN201859876U (en) * | 2010-08-31 | 2011-06-08 | 昆山瑞凌焊接科技有限公司 | Heat radiating structure of IGBT module and device |
| CN103839927A (en) * | 2014-02-28 | 2014-06-04 | 上海沪工焊接集团股份有限公司 | Protective device of single IGBT and power module provided with single IGBT |
| CN204361090U (en) * | 2015-02-02 | 2015-05-27 | 黎桥生 | A kind of IGBT module |
-
2016
- 2016-06-29 CN CN201610496461.1A patent/CN107538154A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08279592A (en) * | 1995-04-06 | 1996-10-22 | Fuji Electric Co Ltd | Assembly structure of switching power source rectifier |
| CN201128046Y (en) * | 2007-11-28 | 2008-10-08 | 上海威特力焊接设备制造股份有限公司 | Assembling structure of welder |
| CN201788962U (en) * | 2010-08-31 | 2011-04-06 | 昆山瑞凌焊接科技有限公司 | Radiating structure of radiator and device adopting radiating structure |
| CN201859876U (en) * | 2010-08-31 | 2011-06-08 | 昆山瑞凌焊接科技有限公司 | Heat radiating structure of IGBT module and device |
| CN103839927A (en) * | 2014-02-28 | 2014-06-04 | 上海沪工焊接集团股份有限公司 | Protective device of single IGBT and power module provided with single IGBT |
| CN204361090U (en) * | 2015-02-02 | 2015-05-27 | 黎桥生 | A kind of IGBT module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248469A (en) * | 2019-05-09 | 2019-09-17 | 伊顿智能动力有限公司 | The mounting base and uninterruptible power supply of switching tube |
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Application publication date: 20180105 |