CN204928553U - IGBT vertical composite busbar for explosion-proof frequency converter - Google Patents
IGBT vertical composite busbar for explosion-proof frequency converter Download PDFInfo
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- CN204928553U CN204928553U CN201520658840.7U CN201520658840U CN204928553U CN 204928553 U CN204928553 U CN 204928553U CN 201520658840 U CN201520658840 U CN 201520658840U CN 204928553 U CN204928553 U CN 204928553U
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- explosion
- bus bar
- frequency converter
- composite bus
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- 239000002131 composite material Substances 0.000 title claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052802 copper Inorganic materials 0.000 claims abstract description 56
- 239000010949 copper Substances 0.000 claims abstract description 56
- 238000005476 soldering Methods 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 abstract 2
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an explosion-proof converter annex technical field discloses a vertical compound female row of IGBT for explosion-proof converter, include: the heat dissipation copper plate (1), the copper bar (2), the IGBT (3) and the IGBT vertical type composite busbar (4) are arranged, the IGBT (3) connected with three-phase alternating current input by a power unit main circuit connected with the explosion-proof frequency converter in parallel is arranged on the heat dissipation copper plate (1), each phase of the alternating current side of the IGBT (3) is connected with the copper bar (2), and the positive pole and the negative pole of the direct current side of the IGBT (3) are respectively connected with the positive pole and the negative pole of the IGBT vertical type composite busbar (4) in an integrated mode. The utility model discloses a vertical compound female row of IGBT compact structure, temperature distribution are even to interchangeability is high, is fit for multiple parallel mode and voltage current level, the better solution the female design difficult problem of arranging of explosion-proof converter IGBT complex.
Description
Technical field
The utility model relates to explosion-proof frequency converter attachment technique field, especially relates to the vertical composite bus bar of a kind of explosion-proof frequency converter multi-parallel IGBT.
Background technology
Frequency control and other modes contrast, the speed governing superior with it and startability, high efficiency, high functional factor and energy-saving effect, plurality of advantages such as applied range and be acknowledged as the most promising mode of speed regulation.According to " Energy Conservation Law of the People's Republic of China " the 39th article, adopting variable-frequency control technique to realize, energy-conserving and environment-protective run is the energy-conservation current techique of China, and variable-frequency control technique plays vital effect to national economy especially industrial expansion.
Explosion-proof frequency converter is widely used in ore deposit underground belt conveyer, drag conveyor, blower fan, water pump, winch.Explosion-proof frequency converter environment for use is severe, and diverse location temperature difference is more than 30 DEG C, and humidity reaches as high as 95%, and narrow space in explosion-proof casing, all round closure, electric component very easily localized hyperthermia causes damage.IGBT composite bus bar connects the integrated copper bar that IGBT inputs or outputs terminal, compares, not only saved very large space, made structure compacter with cable, and easy for installation, neat and artistic.For ordinary circumstance, IGBT composite bus bar can meet the demands, but, then need compact structure form more for explosion-proof frequency converter, and the contradiction between compact conformation and local overheating will be solved.
Summary of the invention
In order to overcome the contradiction between explosion-proof frequency converter IGBT composite bus bar local overheating and compact conformation demand, the utility model provides the vertical composite bus bar of a kind of explosion-proof frequency converter IGBT, the vertical composite bus bar compact conformation of this IGBT, uniformity of temperature profile, and interchangeability is high, be applicable to multiple parallel way and electric current and voltage grade, preferably resolve explosion-proof frequency converter IGBT composite bus bar design challenges.
The present invention solves its technical problem, and the technical scheme adopted is:
The vertical composite bus bar of a kind of explosion-proof frequency converter IGBT, comprise: heat radiation copper coin (1), copper bar (2), IGBT(3), the vertical composite bus bar of IGBT (4), the IGBT(3 that three-phase alternating current is connected is inputted with explosion-proof frequency converter multi-parallel power cell major loop) be arranged on and dispel the heat on copper coin (1), IGBT(3) AC is often connected with copper bar (2), IGBT(3) positive pole of DC side, the negative pole positive pole that composite bus bar (4) vertical with IGBT is integrated respectively, negative pole be connected;
The vertical composite bus bar of a kind of explosion-proof frequency converter IGBT, the vertical composite bus bar of described IGBT (4) comprising: IGBT DC master row (4.1) and switching busbar (4.2), and IGBT DC master row (4.1) is fixedly connected with switching busbar (4.2) by the self-clinching stud (4.1-4) of side; Switching busbar (4.2) is connected each phase both positive and negative polarity, is converted to plane busbar for forming vertical busbar.
The vertical composite bus bar of a kind of explosion-proof frequency converter IGBT, described IGBT DC master row (4.1) is made up of negative plate I (4.1-1), positive plate I (4.1-2), insulating paper I (4.1-3) and self-clinching stud (4.1-4), and insulating paper I (4.1-3) is posted between negative plate I (4.1-1) and positive plate I (4.1-2) and outside.
The vertical composite bus bar of a kind of explosion-proof frequency converter IGBT, described switching busbar (4.2) is by negative plate II (4.2-1), positive plate II (4.2-2), insulating paper II (4.2-3), square soldering copper post A(4.2-4), square soldering copper post B(4.2-5), round insulation pad (4.2-6) and square insulating pad (4.2-7) form;
Positive plate II (4.2-2) and negative plate II (4.2-1) are made Z-shaped and are arranged, middle by insulating paper II (4.2-3) insulation, post insulating paper II (4.2-3) outside two boards equally;
Negative plate II (4.2-1) welds 3 square soldering copper post A(4.2-4), copper post hollow; Round insulation pad (4.2-6) is pasted in positive plate II (4.2-2) side;
Positive plate II (4.2-2) welds 3 square soldering copper post B(4.2-5), copper post hollow; Square insulating pad (4.2-7) is pasted in negative plate II (4.2-1) side;
These 6 copper posts are through the self-clinching stud (4.1-4) of IGBT DC master row (4.1), and then install nut and make the vertical composite bus bar of IGBT (4) become to be integrated, this switching busbar (4.2) converts different output forms as required.
The vertical composite bus bar of a kind of explosion-proof frequency converter IGBT, described negative plate II 4.2-1 is fixedly connected with square soldering copper post A4.2-4, is provided with round insulation pad 4.2-6 bottom square soldering copper post A.
The vertical composite bus bar of a kind of explosion-proof frequency converter IGBT, described positive plate II 4.2-2 is fixedly connected with square soldering copper post B4.2-5, and square soldering copper post B is outside equipped with square insulating pad 4.2-7.
Owing to adopting technical scheme as above, the beneficial effects of the utility model are:
(1) preferably resolve the contradiction between the compact and local overheating of explosion-proof frequency converter IGBT composite bus bar claimed structure, and further reduce and take up room.
(2) the vertical composite bus bar of IGBT is applicable to the requirement of multiple parallel-connection structure and electric current and voltage grade, and only need change busbar length, contact and height can meet the demands.
(3) vertical composite bus bar is converted to normally used plane row by busbar of transferring, and output form change is various, highly versatile.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is explosion-proof frequency converter power cell.
Fig. 2 is the vertical composite bus bar elevational view of this IGBT.
Fig. 3 is IBGT DC master row front view.
Fig. 4 is IGBT DC master row vertical view.
Fig. 5 is IGBT DC master row left view.
Fig. 6 is switching busbar front view.
Fig. 7 is switching busbar A-A cutaway view.
Fig. 8 is switching busbar vertical view.
Fig. 9 is switching busbar partial view I.
Figure 10 is switching busbar partial view II.
1. heat radiation copper coin, 2. copper bars in figure, 3.IGBT, the vertical composite bus bar of 4.IGBT, 4-1.IGBT DC master row, 4-2. transfers busbar, 4-1-1. negative plate I, 4-1-2. positive plate I, 4-1-3. insulating paper I, 4-1-4. self-clinching stud, 4-2-1. negative plate II, 4-2-2. positive plate II, 4-2-3. insulating paper II, 4-2-4. square soldering copper post A, 4-2-5. square soldering copper post B, 4-2-6. round insulation pad, 4-2-7. square insulating pad.
Embodiment
Explosion-proof frequency converter multi-parallel power cell major loop is input three-phase alternating current, and by IGBT rectification, direct current exports, and then through IGBT inversion, exchanges and export, reach frequency conversion effect.IGBT is placed on heat radiation copper coin, and AC is often in parallel by copper bar, and DC side is divided into both positive and negative polarity to be connected by the vertical composite bus bar of the IGBT of integrated both positive and negative polarity.
The vertical composite bus bar of IGBT is divided into two parts, and namely IGBT DC master row and switching busbar, be connected and fixed by the self-clinching stud of side.The effect of switching busbar is each phase both positive and negative polarity of series connection, makes vertical busbar be converted to plane row, and can design different output forms as required.
IGBT DC master row is made up of negative plate, positive plate, insulating paper and self-clinching stud.Insulating paper is posted between negative plate and positive plate and outside, and insulating paper edge sealing, electric clearance and creepage distance perform by national coal peace standard according to electric pressure.What adopt in figure is 4 parallel waies, and this IGBT DC master row is equally applicable to different parallel way and electric current and voltage grade, increases length and contact or increase height just can meet the demands as long as corresponding.
Switching busbar is made up of negative plate, positive plate, insulating paper, square soldering copper post A, square soldering copper post B, round insulation pad and square insulating pad.Z-shaped row made by positive plate and negative plate, and being insulated by insulating paper in centre, posts insulating paper equally outside two boards.Negative plate welds 3 square soldering copper post A, copper post hollow, and round insulation pad is pasted in positive plate side, ensures that electric clearance and creepage distance meet standard; Positive plate welds 3 square soldering copper post B, copper post hollow, and square insulating pad is pasted in negative plate side, and these 6 copper posts just in time through the self-clinching stud of IGBT DC master row, then can be installed nut and make the vertical composite bus bar of IGBT become to be integrated.This switching busbar can convert different output forms as required.
In FIG, explosion-proof frequency converter multi-parallel power cell major loop is input three-phase alternating current, passes through IGBT(3) rectification, direct current exports, and then through IGBT(3) inversion, exchange and export, reach frequency conversion effect.IGBT(3) be placed in heat radiation copper coin (1), AC is often in parallel by copper bar (2), and DC side is divided into both positive and negative polarity to connect (4) by the vertical composite bus bar of the IGBT of integrated both positive and negative polarity.
In fig. 2, the vertical composite bus bar of IGBT (4) is divided into two parts, and namely IGBT DC master row (4-1) and switching busbar (4-2), be connected and fixed by the self-clinching stud (4-1-4) of side.The effect of switching busbar (4-2) is each phase both positive and negative polarity of series connection, makes vertical busbar be converted to plane row, and can design different output forms as required.
In Fig. 3,4,5, IGBT DC master row (4-1) is made up of negative plate I (4-1-1), positive plate I (4-1-2), insulating paper I (4-1-3) and self-clinching stud (4-1-4).Insulating paper I (4-1-3) is posted between negative plate I (4-1-1) and positive plate I (4-1-2) and outside, and insulating paper I (4-1-3) edge sealing, electric clearance and creepage distance perform by national coal peace standard according to electric pressure.What adopt in figure is 4 parallel waies, and this IGBT DC master row (4-1) is equally applicable to different parallel way and electric current and voltage grade, increases length and contact or increase height just can meet the demands as long as corresponding.
In Fig. 6,7,8,9,10, switching busbar (4-2) is by negative plate II (4-2-1), positive plate II (4-2-2), insulating paper II (4-2-3), square soldering copper post A(4-2-4), square soldering copper post B(4-2-5), round insulation pad (4-2-6) and square insulating pad (4-2-7) form.Z-shaped row made by positive plate II (4-2-2) and negative plate II (4-2-1), middle by insulating paper II (4-2-3) insulation, posts insulating paper II (4-2-3) outside two boards equally.Negative plate II (4-2-1) welds 3 square soldering copper post A(4-2-4), copper post hollow, round insulation pad (4-2-6) is pasted in positive plate II (4-2-2) side, ensures that electric clearance and creepage distance meet standard; Positive plate II (4-2-2) welds 3 square soldering copper post B(4-2-5), copper post hollow, square insulating pad (4-2-7) is pasted in negative plate II (4-2-1) side, these 6 copper posts just in time through the self-clinching stud (4-1-4) of IGBT DC master row (4-1), then can be installed nut and make the vertical composite bus bar of IGBT (4) become to be integrated.This switching busbar (4-2) can convert different output forms as required.
Claims (6)
1. the vertical composite bus bar of explosion-proof frequency converter IGBT, it is characterized in that: comprising: heat radiation copper coin (1), copper bar (2), IGBT(3), the vertical composite bus bar of IGBT (4), the IGBT(3 that three-phase alternating current is connected is inputted with explosion-proof frequency converter multi-parallel power cell major loop) be arranged on and dispel the heat on copper coin (1), IGBT(3) AC is often connected with copper bar (2), IGBT(3) positive pole of DC side, the negative pole positive pole that composite bus bar (4) vertical with IGBT is integrated respectively, negative pole be connected.
2. the vertical composite bus bar of a kind of explosion-proof frequency converter IGBT according to claim 1, it is characterized in that: the vertical composite bus bar of described IGBT (4) comprising: IGBT DC master row (4.1) and switching busbar (4.2), IGBT DC master row (4.1) is fixedly connected with switching busbar (4.2) by the self-clinching stud (4.1-4) of side; Switching busbar (4.2) is connected each phase both positive and negative polarity, is converted to plane busbar for forming vertical busbar.
3. the vertical composite bus bar of a kind of explosion-proof frequency converter IGBT according to claim 1, it is characterized in that: described IGBT DC master row (4.1) is made up of negative plate I (4.1-1), positive plate I (4.1-2), insulating paper I (4.1-3) and self-clinching stud (4.1-4), insulating paper I (4.1-3) is posted between negative plate I (4.1-1) and positive plate I (4.1-2) and outside.
4. the vertical composite bus bar of a kind of explosion-proof frequency converter IGBT according to claim 1, is characterized in that: described switching busbar (4.2) is by negative plate II (4.2-1), positive plate II (4.2-2), insulating paper II (4.2-3), square soldering copper post A(4.2-4), square soldering copper post B(4.2-5), round insulation pad (4.2-6) and square insulating pad (4.2-7) form;
Positive plate II (4.2-2) and negative plate II (4.2-1) are made Z-shaped and are arranged, middle by insulating paper II (4.2-3) insulation, post insulating paper II (4.2-3) outside two boards equally;
Negative plate II (4.2-1) welds 3 square soldering copper post A(4.2-4), copper post hollow; Round insulation pad (4.2-6) is pasted in positive plate II (4.2-2) side;
Positive plate II (4.2-2) welds 3 square soldering copper post B(4.2-5), copper post hollow; Square insulating pad (4.2-7) is pasted in negative plate II (4.2-1) side.
5. the vertical composite bus bar of a kind of explosion-proof frequency converter IGBT according to claim 1, it is characterized in that: with square soldering copper post A(4.2-4 on described negative plate II (4.2-1)) be fixedly connected with, be provided with round insulation pad (4.2-6) bottom square soldering copper post A.
6. the vertical composite bus bar of a kind of explosion-proof frequency converter IGBT according to claim 1, it is characterized in that: with square soldering copper post B(4.2-5 on described positive plate II (4.2-2)) be fixedly connected with, square soldering copper post B is outside equipped with square insulating pad (4.2-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658840.7U CN204928553U (en) | 2015-08-28 | 2015-08-28 | IGBT vertical composite busbar for explosion-proof frequency converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658840.7U CN204928553U (en) | 2015-08-28 | 2015-08-28 | IGBT vertical composite busbar for explosion-proof frequency converter |
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| Publication Number | Publication Date |
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| CN204928553U true CN204928553U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520658840.7U Expired - Fee Related CN204928553U (en) | 2015-08-28 | 2015-08-28 | IGBT vertical composite busbar for explosion-proof frequency converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119467A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | Multi-parallel IGBT vertical type composite busbar for explosion-proof frequency converter and method |
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2015
- 2015-08-28 CN CN201520658840.7U patent/CN204928553U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119467A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | Multi-parallel IGBT vertical type composite busbar for explosion-proof frequency converter and method |
| CN105119467B (en) * | 2015-08-28 | 2018-07-17 | 洛阳中重自动化工程有限责任公司 | Multi-parallel IGBT vertical type composite busbar for explosion-proof frequency converter and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20200828 |