CN209448220U - A kind of dc circuit breaker main branch - Google Patents
A kind of dc circuit breaker main branch Download PDFInfo
- Publication number
- CN209448220U CN209448220U CN201920169617.4U CN201920169617U CN209448220U CN 209448220 U CN209448220 U CN 209448220U CN 201920169617 U CN201920169617 U CN 201920169617U CN 209448220 U CN209448220 U CN 209448220U
- Authority
- CN
- China
- Prior art keywords
- power semiconductor
- main branch
- valve group
- branch valve
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 19
- 239000004065 semiconductor Substances 0.000 claims description 92
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 21
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- 239000010703 silicon Substances 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses a kind of dc circuit breaker main branchs, comprising: Fast mechanical switch and its trigger circuit, main branch valve group, by-pass switch, power module, ventilation air duct, cooling fan；The main branch carries out layered arrangement, and wherein main branch valve group, ventilation air duct, cooling fan, power module and by-pass switch are arranged in dc circuit breaker cabinet body upper layer, and Fast mechanical switch and its trigger circuit are arranged in lower layer；The main branch valve group is connected in parallel with by-pass switch；The main branch valve group and Fast mechanical switch are connected in series；The trigger circuit is electrically connected in Fast mechanical switch；Not only there is mechanical connection between the power module and main branch valve group but also there is electrical connection；One end of the ventilation air duct connects main branch valve group, and the other end connects cooling fan.The utility model is compact-sized, it is rationally distributed, be easily assembled and safeguard.
Description
Technical field
The utility model patent belongs to flexible direct-current transmission field, and in particular to a kind of dc circuit breaker main branch.
Background technique
With the tremendous development and extensive use of new energy, new material, information technology and power electronic technique, user to
The requirements such as electricity demanding, power quality and power supply reliability are continuously improved.Studying data at home and abroad shows the power distribution network based on direct current
Have in terms of transmission capacity, controllability and raising than exchanging better performance, can effectively improve electric energy matter
Amount, the use for reducing power electronics inverter reduce electric energy loss and operating cost, coordinate between bulk power grid and distributed generation resource
Contradiction, give full play to the value and benefit of distributed energy.As the key components of direct current distribution, dc circuit breaker is risen
To electric current, the converting system method of operation and the disengagement failure electric current for closing, carrying and cut-offfing under normal loop condition to system
The important function such as protection are carried out, are one of the important equipments for building direct current distribution.
When dc circuit breaker coincidence is run, only main branch circulating current, needs rationally to set main branch structure arrangement
Meter, to meet dc circuit breaker operation and high reliability request steady in a long-term.
Summary of the invention
The purpose of this utility model is to provide the direct current interruption that one kind is compact-sized, rationally distributed, is easily assembled and safeguards
The main branch of device.
A kind of dc circuit breaker main branch that in order to achieve the above object, the technical solution of the present invention is:, comprising: fast
Fast mechanical switch and its trigger circuit, main branch valve group, by-pass switch, power module, ventilation air duct, cooling fan；The master
Branch carries out layered arrangement, and wherein main branch valve group, ventilation air duct, cooling fan, power module and by-pass switch are arranged in directly
Breaker cabinet body upper layer is flowed, Fast mechanical switch and its trigger circuit are arranged in lower layer；The main branch valve group and by-pass switch
It is connected in parallel；The main branch valve group and Fast mechanical switch are connected in series；The trigger circuit is electrically connected in Quick mechanical
Switch；Not only there is mechanical connection between the power module and main branch valve group but also there is electrical connection；The ventilation air duct
One end connects main branch valve group, and the other end connects cooling fan.
In the above-mentioned technical solutions, the main branch valve group includes main branch valve group main part and insulation I-beam, institute
Stating main branch valve group main part includes power semiconductor silicon stack, power semiconductor drive module, power semiconductor
Device adapter, power semiconductor buffer loop；It is exhausted that the main branch valve group main part integral vertical type is mounted on bottom
On edge I-beam；The main branch valve group is radiated using forced air cooling, what power semiconductor silicon stack generated when working normally
Heat passes through ventilation air duct, is discharged by cooling fan；The power semiconductor drive module is mechanically connected by supporting element
On power semiconductor silicon stack；The power semiconductor adapter is plugged on power semiconductor silicon stack；Institute
State power semiconductor drive module, power semiconductor adapter is connected by coaxial cable；The power semiconductor
Device buffer loop is in parallel with power semiconductor silicon stack.
In the above-mentioned technical solutions, the power semiconductor silicon stack includes upper and lower two pressure plates, power semiconductors
Device side radiator, the power semiconductor of differential concatenation, power semiconductor intermediate heat sink, dished spring assembly, pull rod,
Upper and lower two disengaging copper bar, cushion block；Wherein, the both ends of the pull rod are fixedly connected with upper and lower two pressure plates respectively, the function
The collector contact of rate semiconductor devices side radiator and the power semiconductor of differential concatenation；The power semiconductor
Intermediate heat sink is contacted with the emitter of the power semiconductor of differential concatenation；Power semiconductor side radiator,
The power semiconductor of differential concatenation, power semiconductor intermediate heat sink constitute power semiconductor component, described
Power semiconductor component is placed on up and down between two pressure plates, the both ends of power semiconductor component be installed with into
Copper bar out, the disengaging copper bar of one end and pressure plate are equipped with spring component, and the disengaging copper bar of one end and pressure plate are equipped with cushion block.
In the above-mentioned technical solutions, the by-pass switch is connect by copper bar of transferring with upper and lower two disengaging copper bar.
In the above-mentioned technical solutions, the power module is mounted on insulating supporting beam, and supporting beam is fixed on two up and down
Pressure plate side is electrically connected between power module and power semiconductor drive module.
In the above-mentioned technical solutions, the ventilation air duct, one end are connect with power semiconductor side radiator, the other end
It is connect with cooling fan.
The utility model has the beneficial effects that
(1) main branch valve terminal use vertical press mounting structure, facilitate by-pass switch, energy supplying system, air duct integrated peace
Dress；
(2) it is radiated using forced air cooling, makes that main branch overall structure is simple, at low cost, high reliablity；
(3) different voltages class requirement can be met by increasing power semiconductor silicon stack series connection series.
Detailed description of the invention
Fig. 1 show a kind of structural schematic diagram of specific embodiment of the utility model main branch；
Fig. 2 show a kind of structural schematic diagram of specific embodiment of the utility model main branch valve group；
Fig. 3 show a kind of structural schematic diagram of specific embodiment of the utility model power semiconductor silicon stack.
Wherein: 1- Fast mechanical switch, 2- Fast mechanical switch trigger circuit, 3- main branch valve group, 4- by-pass switch, 5-
Power module, 6- ventilation air duct, 7- cooling fan, 8- cabinet body, 31- power semiconductor silicon stack, 32- power semiconductor
Drive module, 33- power semiconductor adapter, 34- insulation I-beam, 35- power semiconductor buffer loop；311-
Pressure plate, 312- power semiconductor side radiator, the power semiconductor of 313- differential concatenation, 314- power semiconductor
Device intermediate heat sink, 315- dished spring assembly, 316- pull rod, 317- pass in and out copper bar, 318- cushion block.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the utility model is described in detail.
The purpose of this utility model is to provide the direct current interruption that one kind is compact-sized, rationally distributed, is easily assembled and safeguards
The main branch of device.A kind of dc circuit breaker main branch, comprising: Fast mechanical switch 1 and its trigger circuit 2, main branch valve group 3,
By-pass switch 4, power module 5, ventilation air duct 6, cooling fan 7.
Main branch carries out layered arrangement, wherein main branch valve group 3, ventilation air duct 6, cooling fan 7, power module 5 and side
Way switch 4 is arranged in 8 upper layer of dc circuit breaker cabinet body, and Fast mechanical switch 1 and its trigger circuit 2 are arranged in lower layer；Main branch
Valve group 3 is connected in parallel with by-pass switch 4；Main branch valve group 3 and Fast mechanical switch 1 are connected in series；Trigger circuit 2 is electrically connected
In Fast mechanical switch 1；Not only there is mechanical connection between power module 5 and main branch valve group 3 but also there is electrical connection；Ventilation wind
The one end in road 6 connects main branch valve group 3, and the other end connects cooling fan 7.
Main branch valve group 3 includes main branch valve group main part and insulation I-beam 34, main branch valve group main part subpackage
Include power semiconductor silicon stack 31, power semiconductor drive module 32, power semiconductor adapter 33, power half
Conductor device buffer loop 35；Main branch valve group main part integral vertical type is mounted on bottom insulation I-beam 34；Main branch
Valve group 3 is radiated using forced air cooling, and the heat that power semiconductor silicon stack 31 generates when working normally passes through ventilation air duct 6,
It is discharged by cooling fan 7；Power semiconductor drive module 32 is mechanically connected to power semiconductor silicon by supporting element
On heap 31；Power semiconductor adapter 33 is plugged on 31 on power semiconductor silicon stack；Power semiconductor driving
Module 32, power semiconductor adapter 33 are connected by coaxial cable；Power semiconductor buffer loop 35 and power
Semiconductor devices silicon stack 31 is in parallel.
Power semiconductor silicon stack 31 include upper and lower two pressure plates 311, power semiconductor side radiator 312,
The power semiconductor 313 of differential concatenation, power semiconductor intermediate heat sink 314, dished spring assembly 315, pull rod 316,
Upper and lower two disengaging copper bar 317, cushion block 318；Wherein, the both ends of pull rod 316 are fixed with upper and lower two pressure plates 311 connect respectively
It connects, the collector contact of the power semiconductor 313 of power semiconductor side radiator 312 and differential concatenation；Power half
Conductor device intermediate heat sink 314 is contacted with the emitter of the power semiconductor 313 of differential concatenation；Power semiconductor
Side radiator 312, the power semiconductor 313 of differential concatenation, power semiconductor intermediate heat sink 314 constitute power half
Conductor device component, the power semiconductor component are placed between two pressure plates 311 up and down, power semiconductor
The both ends of component are installed with disengaging copper bar 317, and the disengaging copper bar 317 of one end and pressure plate 311 are equipped with spring component 315, and one
The disengaging copper bar 317 at end and pressure plate 311 are equipped with cushion block 318.
By-pass switch 4 is connect by copper bar of transferring with upper and lower two disengaging copper bar 317.Power module 5 is mounted on insulation branch
It supports on beam, supporting beam is fixed on two 311 sides of pressure plate up and down, power module 5 and power semiconductor drive module 32
Between pass through electrical connection.Ventilation air duct 6, one end are connect with power semiconductor side radiator 312, the other end and cooling wind
7 connection of fan.
Above embodiments are only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within the scope of novel protected.
Claims (6)
1. a kind of dc circuit breaker main branch characterized by comprising Fast mechanical switch and its trigger circuit, main branch valve
Group, by-pass switch, power module, ventilation air duct, cooling fan；
The main branch carries out layered arrangement, and wherein main branch valve group, ventilation air duct, cooling fan, power module and bypass are opened
Pass is arranged in dc circuit breaker cabinet body upper layer, and Fast mechanical switch and its trigger circuit are arranged in lower layer；The main branch valve group
It is connected in parallel with by-pass switch；The main branch valve group and Fast mechanical switch are connected in series；The trigger circuit electrical connection
In Fast mechanical switch；Not only there is mechanical connection between the power module and main branch valve group but also there is electrical connection；It is described
One end of ventilation air duct connects main branch valve group, and the other end connects cooling fan.
2. a kind of dc circuit breaker main branch as described in claim 1, which is characterized in that the main branch valve group includes main branch
Road valve group main part and insulation I-beam, the main branch valve group main part includes power semiconductor silicon stack, power
Semiconductor devices drive module, power semiconductor adapter, power semiconductor buffer loop；The main branch valve group
Main part integral vertical type is mounted on bottom insulation I-beam；The main branch valve group is radiated using forced air cooling, power half
The heat that conductor device silicon stack generates when working normally is discharged by ventilation air duct by cooling fan；The power semiconductor device
Part drive module is mechanically connected on power semiconductor silicon stack by supporting element；The power semiconductor adapter is inserted
It connects on power semiconductor silicon stack；The power semiconductor drive module, power semiconductor adapter pass through
Coaxial cable connection；The power semiconductor buffer loop is in parallel with power semiconductor silicon stack.
3. a kind of dc circuit breaker main branch as claimed in claim 2, which is characterized in that the power semiconductor silicon stack
Including upper and lower two pressure plates, power semiconductor side radiator, the power semiconductor of differential concatenation, power semiconductor
Device intermediate heat sink, dished spring assembly, pull rod, upper and lower two disengaging copper bar, cushion block；Wherein, the both ends of the pull rod respectively and
Upper and lower two pressure plates are fixedly connected, the power semiconductor of power semiconductor side radiator and differential concatenation
Collector contact；The emitter of the power semiconductor of the power semiconductor intermediate heat sink and differential concatenation connects
Touching；Power semiconductor side radiator, the power semiconductor of differential concatenation, power semiconductor intermediate radiator
Device constitutes power semiconductor component, and the power semiconductor component is placed between two pressure plates up and down, power
The both ends of semiconductor apparatus assembly are installed with disengaging copper bar, and the disengaging copper bar of one end and pressure plate are equipped with spring component, one end
Disengaging copper bar and pressure plate be equipped with cushion block.
4. a kind of dc circuit breaker main branch as claimed in claim 3, which is characterized in that the by-pass switch passes through switching copper
Row connect with upper and lower two disengaging copper bar.
5. a kind of dc circuit breaker main branch as claimed in claim 3, which is characterized in that the power module is mounted on insulation
In supporting beam, supporting beam is fixed on two pressure plate sides up and down, between power module and power semiconductor drive module
Electrical connection.
6. a kind of dc circuit breaker main branch as claimed in claim 3, which is characterized in that the ventilation air duct, one end and function
The connection of rate semiconductor devices side radiator, the other end are connect with cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920169617.4U CN209448220U (en) | 2019-01-31 | 2019-01-31 | A kind of dc circuit breaker main branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920169617.4U CN209448220U (en) | 2019-01-31 | 2019-01-31 | A kind of dc circuit breaker main branch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209448220U true CN209448220U (en) | 2019-09-27 |
Family
ID=68033121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920169617.4U Withdrawn - After Issue CN209448220U (en) | 2019-01-31 | 2019-01-31 | A kind of dc circuit breaker main branch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209448220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586170A (en) * | 2019-01-31 | 2019-04-05 | 国网江苏电力设计咨询有限公司 | A kind of dc circuit breaker main branch |
-
2019
- 2019-01-31 CN CN201920169617.4U patent/CN209448220U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586170A (en) * | 2019-01-31 | 2019-04-05 | 国网江苏电力设计咨询有限公司 | A kind of dc circuit breaker main branch |
| CN109586170B (en) * | 2019-01-31 | 2024-04-05 | 国网江苏电力设计咨询有限公司 | Main branch of direct current breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210008 No. 251, Gulou District, Jiangsu, Zhongshan Road, Nanjing Co-patentee after: STATE GRID JIANGSU ECONOMIC Research Institute Patentee after: STATE GRID JIANGSU ELECTRIC POWER DESIGN CONSULTATION CO.,LTD. Co-patentee after: NR ELECTRIC Co.,Ltd. Co-patentee after: NR ENGINEERING Co.,Ltd. Address before: 210008 No. 251, Gulou District, Jiangsu, Zhongshan Road, Nanjing Co-patentee before: ELECTRIC POWER ECONOMIC TECHNOLOGY RESEARCH INSTITUTE OF STATE GRID ELECTRIC POWER Co.,Ltd. Patentee before: STATE GRID JIANGSU ELECTRIC POWER DESIGN CONSULTATION CO.,LTD. Co-patentee before: NR ELECTRIC Co.,Ltd. Co-patentee before: NR ENGINEERING Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190927 Effective date of abandoning: 20240405 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190927 Effective date of abandoning: 20240405 |