CN203883333U - A large power draught fan current transformer - Google Patents
A large power draught fan current transformer Download PDFInfo
- Publication number
- CN203883333U CN203883333U CN201420293143.1U CN201420293143U CN203883333U CN 203883333 U CN203883333 U CN 203883333U CN 201420293143 U CN201420293143 U CN 201420293143U CN 203883333 U CN203883333 U CN 203883333U
- Authority
- CN
- China
- Prior art keywords
- main power
- power cabinet
- grid
- control cubicle
- cabinet
- 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.)
- Active
Links
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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Patch Boards (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a large power draught fan current transformer characterized in that the large power draught fan current transformer comprises a main power cabinet and a grid connection control cabinet. The top portions of the main power cabinet and the grid connection control cabinet are connected together through hoisting angle iron. A separating plate is arranged between the main power cabinet and the grid connection control cabinet. The main power cabinet comprises a machine side main power cabinet and a grid side main power cabinet. The machine side main power cabinet and the grid connection control cabinet are respectively positioned on the two sides of the grid side main power cabinet. The grid side main power cabinet is communicated with the machine side main power cabinet. The machine side main power cabinet carries out filtering and rectification on currents of a draught fan rotor. The grid side main power cabinet carries out rectification, inversion and filtering on the currents of the draught fan rotor. The grid connection control cabinet carries out controlling on the whole machine and conflux and grid connection of the rotor and the stator of the draught fan. The large power draught fan current transformer of the utility model can be widely applied to wind power grid connection power generating.
Description
Technical field
The utility model relates to a kind of current transformer, particularly about a kind of high-power blower unsteady flow device.
Background technology
Current transformer is the important component part of wind power grid-connected generating technology, analyzes the fan converter of existing industrialization, and it has the following disadvantages: 1. physical dimension is compact not, cannot meet some requirement and be installed on the occasion in cabin; 2. complex structure, can not carry out front-operated and maintenance; 3. structure and layout are unreasonable, cause the inner cabling of current transformer chaotic, between each parts, easily produce and disturb, thereby make the stability of current transformer and reliability not high.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of compact conformation, is convenient to test and maintenance and stability and the high high-power blower unsteady flow device of reliability.
For achieving the above object, the utility model is taked following technical scheme: a kind of high-power blower unsteady flow device, it is characterized in that: it comprises main power cabinet and grid-connected control cubicle, the top of described main power cabinet and grid-connected control cubicle is connected by lifting angle steel, between described main power cabinet and grid-connected control cubicle, dividing plate is set; Described main power cabinet comprises the main power cabinet of pusher side and the main power cabinet of net side, and the main power cabinet of described pusher side and grid-connected control cubicle lay respectively at the both sides of the main power cabinet of described net side; Between the main power cabinet of described net side and the main power cabinet of pusher side, be communicated with.
An above window blind assembly for dispelling the heat is set on the front panel of the main power cabinet of described net side and the main power cabinet of pusher side.
The front panel top of described grid-connected control cubicle arranges some indicator lights, and its front panel bottom arranges two window blind assemblies for dispelling the heat; The rear board top of described grid-connected control cubicle arranges grid-connected control cubicle blower fan.
Computer pallet component is set below described indicator light, and described computer pallet component rotary expansion forms a level table.
Described grid-connected control cubicle comprises ups power, ac filter unit, the grid-connected contactor of rotor, voltage detecting assembly, control cubicle left plate assembly, control cubicle right plate assembly, control cubicle back side panel assembly, terminal block unit block and transformer; Described ups power is arranged in described grid-connected control cubicle away from the top in described main power cabinet side cabinet chamber, the below of described ups power arranges described ac filter unit, the grid-connected contactor of described rotor is installed in below, described ac filter unit, the both sides of the grid-connected contactor of described rotor are provided with described voltage detecting assembly, between described voltage detecting assembly and the two sides of the grid-connected contactor of described rotor, have space; Top near described main power cabinet side cabinet chamber in described grid-connected control cubicle adopts left, rear and right three layout structures, its left and right sides arranges respectively described control cubicle left plate assembly and control cubicle right plate assembly, and its rear side arranges described control cubicle back side panel assembly; The bottom of described grid-connected control cubicle is provided with described terminal block unit block and transformer, and described transformer is positioned at the rear portion of described terminal block unit block.
Described terminal block unit block adopts pilot pin fixed structure to be fixed on the bottom of described grid-connected control cubicle.
Described main power cabinet comprises crow bar case, DC side crow bar, crow bar resistance, pusher side module, net side form group, pusher side module radiating subassembly, net side radiating subassembly, division board, the fixation kit that is flexible coupling, pusher side reactor, network reactor, module AC baffle plate, reactor ventilating board, line black box and rotor wiring unit; Described crow bar case is arranged on the main power cabinet of described pusher side top, and described crow bar resistance is arranged on the main power cabinet of described net side top, and described DC side crow bar, between described crow bar case and crow bar resistance, and is arranged on the main power cabinet of described pusher side top; Described pusher side module and net side form group are evenly arranged on respectively the middle and upper part of the main power cabinet of described pusher side and the main power cabinet of net side, be positioned at described pusher side module and net side form group after, outside at the rear board of described main power cabinet arranges respectively described pusher side module radiating subassembly and net side radiating subassembly, the below of described pusher side module and net side form group is provided with described division board and the fixation kit that is flexible coupling, the bottom that is positioned at the main power cabinet of described pusher side and the main power cabinet of net side arranges respectively described pusher side reactor and network reactor below described division board; The front portion of described pusher side reactor and network reactor is provided with described module AC baffle plate and reactor ventilating board, and rotor-side inlet wire is received on described rotor wiring unit by described line black box.
Described pusher side module radiating subassembly and net side form group radiating subassembly include module wind-collecting cover, blower fan fixed head and forward centrifugal blower fan, it is positive that module wind-collecting cover is fixedly installed on described blower fan fixed head, and described forward centrifugal blower fan is fixedly installed on the back side of described blower fan fixed head.
Described pusher side reactor and network reactor all adopt air-cooled reactor.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is owing to comprising main power cabinet and grid-connected control cubicle, the top of main power cabinet and grid-connected control cubicle is connected by lifting angle steel, between main power cabinet and grid-connected control cubicle, arrange one for heat insulation dividing plate, main power cabinet comprises the main power cabinet of pusher side and the main power cabinet of net side, and the main power cabinet of pusher side and grid-connected control cubicle lay respectively at the both sides of the main power cabinet of net side; Between the main power cabinet of net side and the main power cabinet of pusher side, be communicated with, therefore the utlity model has the feature of compact conformation.2, the utility model is because the top away from main power cabinet side cabinet chamber in grid-connected control cubicle arranges ups power, the below of ups power arranges ac filter unit, the grid-connected contactor of rotor is installed in below, ac filter unit, the both sides of the grid-connected contactor of rotor all arrange voltage detecting assembly, between voltage detecting assembly and the two sides of the grid-connected contactor of rotor, have space; Top near main power cabinet side cabinet chamber in grid-connected control cubicle adopts left, rear and right three layout structures, and its left and right sides arranges respectively control cubicle left plate assembly and control cubicle right plate assembly, and its rear side arranges control cubicle back side panel assembly; The bottom of grid-connected control cubicle is provided with terminal block unit block and transformer, and transformer is positioned at the rear portion of terminal block unit block, so the utility model is tested, easy to maintenance and space availability ratio is high.3, the compact layout and structure of each parts in the main power cabinet of pusher side of the present utility model, the main power cabinet of net side and grid-connected control cubicle, and adopt baffle shield to disturb, therefore stability of the present utility model and reliability are high.Based on above advantage, the utility model can be widely used in wind power grid-connected generating.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model
Fig. 2 is the internal structure schematic diagram of hiding after rack surrounding door-plate, top board and lifting angle steel
Fig. 3 is the internal structure schematic diagram of hiding rack surrounding door-plate, crow bar baffle plate, module AC baffle plate and reactor air deflector
Fig. 4 is the back side of the present utility model contour structures schematic diagram
Fig. 5 is pusher side radiating subassembly explosive view
Fig. 6 is net side radiating subassembly explosive view
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, high-power blower unsteady flow device of the present utility model comprises main power cabinet 1 and grid-connected control cubicle 2, the top of main power cabinet 1 and grid-connected control cubicle 2 links together by lifting angle steel 3, the interference of the heat of avoiding main power cabinet 1 by dividing plate between main power cabinet 1 and grid-connected control cubicle 2 to grid-connected control cubicle 2 interior signals.Wherein, main power cabinet 1 comprises the main power cabinet 11 of pusher side and the main power cabinet 12 of net side, and the main power cabinet 11 of pusher side and grid-connected control cubicle 2 lay respectively at the both sides of the main power cabinet 12 of net side.Between the main power cabinet 11 of net side and the main power cabinet 12 of pusher side, be communicated with, make the interior heat of winner's power cabinet 1 more balanced, thereby avoid occurring local overheating phenomenon.The electric current of 11 pairs of fan rotors of the main power cabinet of pusher side carries out filtering and rectification, and the electric current of 12 pairs of fan rotors of the main power cabinet of net side carries out rectification, inversion and filtering; Grid-connected control cubicle 2 is realized to the control of complete machine and to the grid-connected control of confluxing of the rotor of blower fan and stator.
In above-described embodiment, as shown in Figure 1, an above window blind assembly 13 is set, so that the main power cabinet 11 of net side and the main power cabinet 12 of pusher side are interior to external cooling on the front panel of the main power cabinet 11 of net side and the main power cabinet 12 of pusher side.
In above-described embodiment, the front panel top of grid-connected control cubicle 2 is provided with some indicator lights 14, and its front panel bottom arranges two window blind assemblies 13, so that grid-connected control cubicle 2 is interior to external cooling.The rear board top of grid-connected control cubicle 2 is provided with grid-connected control cubicle blower fan 15, grid-connected control cubicle blower fan 15 makes one of the interior formation of grid-connected control cubicle 2 heat dissipation wind channel, from front to back from bottom to top by exhausting, makes the temperature of whole grid-connected control cubicle 2 remain on normal operating conditions.
In above-described embodiment, computer pallet component is set below indicator light 14, the rotatable expansion of this computer pallet component forms the table top of a level, can be used for placing the testers such as the portable computer of test use or oscilloscope, makes debugging and maintenance work convenient.
In above-described embodiment, as shown in Figure 2, grid-connected control cubicle 2 comprises ups power 21, ac filter unit 22, the grid-connected contactor 23 of rotor, voltage detecting assembly 24, control cubicle left plate assembly 25, control cubicle right plate assembly 26, control cubicle back side panel assembly 27, terminal block unit block 28 and transformer 29.Wherein, the inside of grid-connected control cubicle 2 is divided into upper and lower, and its top is divided into again near the cabinet chamber of main power cabinet 1 side with away from the cabinet chamber of main power cabinet 1 side.The top of grid-connected control cubicle 2 is light current control section near the cabinet chamber of main power cabinet 1 side, near main power cabinet 1 one sides, cabling is convenient and disturb few, the top of grid-connected control cubicle 2 is the grid-connected side of ac filter, voltage detecting and rotor away from the cabinet chamber of main power cabinet 1 side, and grid-connected control cubicle 2 effectively shields interference with main power cabinet 1 by dividing plate.
Ups power 21 is arranged in grid-connected control cubicle 2 away from the top in main power cabinet 1 side cabinet chamber, while breaking down for starting front or current transformer to the control section power supply of the current transformers such as control cubicle left plate assembly 25, control cubicle right plate assembly 26, control cubicle back side panel assembly 27.The below of ups power 21 arranges ac filter unit 22, for grid-connected current is carried out to filtering.The grid-connected contactor 23 of rotor is installed in 22 belows, ac filter unit, the both sides of the grid-connected contactor 23 of rotor are provided with voltage detecting assembly 24, between the two sides of the grid-connected contactor 23 of voltage detecting assembly 24 and rotor, there is a fixed gap, thereby be convenient to the installation and checkout of the grid-connected contactor 23 of rotor and voltage detecting assembly 24.
Top near main power cabinet 1 side cabinet chamber in grid-connected control cubicle 2 adopts left, rear and right three layout structures, and its left and right sides arranges respectively control cubicle left plate assembly 25 and control cubicle right plate assembly 26, and its rear side arranges control cubicle back side panel assembly 27.Control cubicle back side panel assembly 27 is fixed on fixed mount, after having assembled completely with fixed mount, in the cabinet chamber of the top that integral body packs grid-connected control cubicle 2 near main power cabinet 1 side.Wherein, on control cubicle left plate assembly 25, be provided with the control assemblies such as net side control board and relay, be provided with humiture detection part and filter on control cubicle right plate assembly 26, humiture detection part detects the humiture in grid-connected control cubicle 2.On control cubicle back side panel assembly 27, be provided with the control assemblies such as pusher side control board and PLC.
The bottom of grid-connected control cubicle 2 is provided with terminal block unit block 28 and transformer 29, wherein, transformer 29 is positioned at the rear portion of terminal block unit block 28, terminal block unit block 28 adopts pilot pin fixed structure to be fixed on the bottom of grid-connected control cubicle 2, only needs a people to get final product the installation and removal of completing user wiring units assembly 28.
In above-described embodiment, main power cabinet 1 comprises crow bar case 111, DC side crow bar 112, crow bar resistance 113, pusher side module 114, net side form group 115, pusher side module radiating subassembly 116, net side radiating subassembly 117, division board 118, the fixation kit 119 that is flexible coupling, pusher side reactor 120, network reactor 121, module AC baffle plate 122, reactor ventilating board 123, line black box 124 and rotor wiring unit 125.On the top of main power cabinet 1, crow bar assembly is set, wherein, crow bar assembly comprises crow bar case 111, DC side crow bar 112 and crow bar resistance 113.Crow bar case 111 is arranged on the main power cabinet of pusher side 11 tops, and crow bar resistance 113 is arranged on the main power cabinet of net side 12 tops, and DC side crow bar 112, between crow bar case 111 and crow bar resistance 113, and is arranged on the main power cabinet of pusher side 11 tops.Before crow bar assembly, be provided with the crow bar baffle plate of protective action, avoided electric shock accidents.Pusher side module 114 and net side form group 115 are evenly arranged on respectively the middle and upper part of the main power cabinet 11 of pusher side and the main power cabinet 12 of net side, the dismounting separately of each module.Be positioned at pusher side module 114 and net side form group 115 after, outside at the rear board of main power cabinet 1 arranges respectively pusher side module radiating subassembly 116 and net side radiating subassembly 117, pusher side module radiating subassembly 116 and net side radiating subassembly 117 and two window blind assemblies 13 form advancing air, the air channel of rear air-out, and the backward exhausting heat radiation of main power cabinet 1 is more even.The below of pusher side module 114 and net side form group 115 is provided with division board 118 and the fixation kit 119 that is flexible coupling, be positioned at the bottom of the main power cabinet 11 of pusher side and the main power cabinet 12 of net side, pusher side reactor 120 and network reactor 121 are set respectively below division board 118, the fixation kit 119 that is flexible coupling for fixing slave side form group 114 to pusher side reactor 120 with from being flexible coupling to network reactor 121 of net side form group 115; The front portion of pusher side reactor 120 and network reactor 121 is provided with module AC baffle plate 122 and reactor ventilating board 123, wherein, module AC baffle plate 122 plays insulation blocking effect, and reactor ventilating board 123 both can play a protective role, and has retained again the air channel of reactor heat radiation; Rotor-side inlet wire is received on rotor wiring unit 125 by line black box 124, line black box 124 can be effectively fixing inlet wire cable, and sealing property is better.
In above-described embodiment, the main circuit of the utility model high-power blower unsteady flow device is: the cable of drawing from fan rotor is connected with rotor wiring unit 125 through line black box 124, rotor wiring unit 125 is connected to the input of pusher side reactor 120 by copper bar, rotor current flows to the ac input end of pusher side module 114 after 120 filtering of pusher side reactor by the fixation kit 119 that is flexible coupling, rectification through pusher side module 114 is converted to by the alternating current of fan rotor output the DC side that direct current outputs to net side form group 115, reversion reaction through net side form group 115 is converted to alternating current direct current again, the ac output end of net side form group 115 is connected with the input of network reactor 12 by being flexible coupling, filtering through network reactor 12, after flat ripple effect, rotor current flows to the grid-connected contactor 23 of rotor by the fixation kit 119 that is flexible coupling, the grid-connected contactor 23 of rotor is connected with grid-connected master control circuit breaker and stator side with cable by copper bar, complete conflux grid-connected.
In above-described embodiment, as shown in Fig. 4～Fig. 6, pusher side module radiating subassembly 116 and net side form group radiating subassembly 117 include module wind-collecting cover, blower fan fixed head and forward centrifugal blower fan, it is positive that module wind-collecting cover is fixedly installed on blower fan fixed head, and forward centrifugal blower fan is fixedly installed on the back side of blower fan fixed head.
In above-described embodiment, pusher side reactor 120 and network reactor 121 all adopt air-cooled reactor, and it is cheap and stability is high.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts and connected mode etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection range of the present utility model.
Claims (9)
1. a high-power blower unsteady flow device, is characterized in that: it comprises main power cabinet and grid-connected control cubicle, and the top of described main power cabinet and grid-connected control cubicle is connected by lifting angle steel, between described main power cabinet and grid-connected control cubicle, dividing plate is set; Described main power cabinet comprises the main power cabinet of pusher side and the main power cabinet of net side, and the main power cabinet of described pusher side and grid-connected control cubicle lay respectively at the both sides of the main power cabinet of described net side; Between the main power cabinet of described net side and the main power cabinet of pusher side, be communicated with.
2. a kind of high-power blower unsteady flow device as claimed in claim 1, is characterized in that: an above window blind assembly for dispelling the heat is set on the front panel of the main power cabinet of described net side and the main power cabinet of pusher side.
3. a kind of high-power blower unsteady flow device as claimed in claim 1, is characterized in that: the front panel top of described grid-connected control cubicle arranges some indicator lights, and its front panel bottom arranges two window blind assemblies for dispelling the heat; The rear board top of described grid-connected control cubicle arranges grid-connected control cubicle blower fan.
4. a kind of high-power blower unsteady flow device as claimed in claim 3, is characterized in that: computer pallet component is set below described indicator light, and described computer pallet component rotary expansion forms a level table.
5. a kind of high-power blower unsteady flow device as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described grid-connected control cubicle comprises ups power, ac filter unit, the grid-connected contactor of rotor, voltage detecting assembly, control cubicle left plate assembly, control cubicle right plate assembly, control cubicle back side panel assembly, terminal block unit block and transformer; Described ups power is arranged in described grid-connected control cubicle away from the top in described main power cabinet side cabinet chamber, the below of described ups power arranges described ac filter unit, the grid-connected contactor of described rotor is installed in below, described ac filter unit, the both sides of the grid-connected contactor of described rotor are provided with described voltage detecting assembly, between described voltage detecting assembly and the two sides of the grid-connected contactor of described rotor, have space; Top near described main power cabinet side cabinet chamber in described grid-connected control cubicle adopts left, rear and right three layout structures, its left and right sides arranges respectively described control cubicle left plate assembly and control cubicle right plate assembly, and its rear side arranges described control cubicle back side panel assembly; The bottom of described grid-connected control cubicle is provided with described terminal block unit block and transformer, and described transformer is positioned at the rear portion of described terminal block unit block.
6. a kind of high-power blower unsteady flow device as claimed in claim 5, is characterized in that: described terminal block unit block adopts pilot pin fixed structure to be fixed on the bottom of described grid-connected control cubicle.
7. a kind of high-power blower unsteady flow device as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described main power cabinet comprises crow bar case, DC side crow bar, crow bar resistance, pusher side module, net side form group, pusher side module radiating subassembly, net side radiating subassembly, division board, the fixation kit that is flexible coupling, pusher side reactor, network reactor, module AC baffle plate, reactor ventilating board, line black box and rotor wiring unit; Described crow bar case is arranged on the main power cabinet of described pusher side top, and described crow bar resistance is arranged on the main power cabinet of described net side top, and described DC side crow bar, between described crow bar case and crow bar resistance, and is arranged on the main power cabinet of described pusher side top; Described pusher side module and net side form group are evenly arranged on respectively the middle and upper part of the main power cabinet of described pusher side and the main power cabinet of net side, be positioned at described pusher side module and net side form group after, outside at the rear board of described main power cabinet arranges respectively described pusher side module radiating subassembly and net side radiating subassembly, the below of described pusher side module and net side form group is provided with described division board and the fixation kit that is flexible coupling, the bottom that is positioned at the main power cabinet of described pusher side and the main power cabinet of net side arranges respectively described pusher side reactor and network reactor below described division board; The front portion of described pusher side reactor and network reactor is provided with described module AC baffle plate and reactor ventilating board, and rotor-side inlet wire is received on described rotor wiring unit by described line black box.
8. a kind of high-power blower unsteady flow device as claimed in claim 7, it is characterized in that: described pusher side module radiating subassembly and net side form group radiating subassembly include module wind-collecting cover, blower fan fixed head and forward centrifugal blower fan, it is positive that module wind-collecting cover is fixedly installed on described blower fan fixed head, and described forward centrifugal blower fan is fixedly installed on the back side of described blower fan fixed head.
9. a kind of high-power blower unsteady flow device as claimed in claim 7, is characterized in that: described pusher side reactor and network reactor all adopt air-cooled reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293143.1U CN203883333U8 (en) | 2014-06-04 | 2014-06-04 | A kind of high-power blower unsteady flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293143.1U CN203883333U8 (en) | 2014-06-04 | 2014-06-04 | A kind of high-power blower unsteady flow device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN203883333U true CN203883333U (en) | 2014-10-15 |
| CN203883333U8 CN203883333U8 (en) | 2016-10-12 |
Family
ID=51683801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293143.1U Active CN203883333U8 (en) | 2014-06-04 | 2014-06-04 | A kind of high-power blower unsteady flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883333U8 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638550A (en) * | 2014-12-12 | 2015-05-20 | 国家电网公司 | Transformer room ventilating device of mobile power supply vehicle |
| CN106410927A (en) * | 2016-09-30 | 2017-02-15 | 株洲中车时代电气股份有限公司 | Charging converter for rail transit |
-
2014
- 2014-06-04 CN CN201420293143.1U patent/CN203883333U8/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638550A (en) * | 2014-12-12 | 2015-05-20 | 国家电网公司 | Transformer room ventilating device of mobile power supply vehicle |
| CN104638550B (en) * | 2014-12-12 | 2017-07-14 | 国家电网公司 | The ventilation of transformer room device of mobile power vehicle |
| CN106410927A (en) * | 2016-09-30 | 2017-02-15 | 株洲中车时代电气股份有限公司 | Charging converter for rail transit |
| CN106410927B (en) * | 2016-09-30 | 2019-10-15 | 株洲中车时代电气股份有限公司 | A kind of charging converter for rail traffic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203883333U8 (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104022447B (en) | A kind of high-power blower unsteady flow device | |
| CN205846505U (en) | A kind of low-voltage cabinet with excellent heat dispersion performance | |
| CN104377582B (en) | Box-type substation | |
| CN203219169U (en) | Converter device | |
| CN205141934U (en) | Novel integral type inverter motor | |
| CN103269168A (en) | Box body for installation of photovoltaic grid-connected inverter | |
| CN109905013A (en) | Traction current transformation cabinet | |
| CN203233317U (en) | Traction converter for diesel locomotive | |
| CN203251558U (en) | Power cabinet and frequency converter | |
| CN103779793A (en) | Electric locomotive electrical cabinet | |
| CN203883333U (en) | A large power draught fan current transformer | |
| CN202085082U (en) | Traction converter | |
| CN204271883U (en) | Converter cabinet | |
| CN102111081B (en) | Case for mounting photovoltaic inverter | |
| CN207459489U (en) | A kind of Scratch-proof box-type transformer substation | |
| CN205105085U (en) | Supplementary deflector of diesel locomotive and diesel locomotive | |
| CN203645556U (en) | Inverter device | |
| CN105071273A (en) | Low-voltage draw-out type switch cabinet | |
| CN210693523U (en) | Modularized charging equipment | |
| CN204559372U (en) | A kind of frequency converter | |
| CN208820289U (en) | A kind of contactor cabinet structure that wind power generating set uses | |
| CN204794728U (en) | Portable aviation ground 270V direct current static power source | |
| CN205304625U (en) | Single -phase high frequency switching power supply | |
| CN205960453U (en) | Module exchangeization cabinet body | |
| CN203150954U (en) | Low-voltage power distribution cabinet |
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: Beijing in the middle of the line of Energy Technology Consulting Co., Ltd. Assignor: Energy saving wind power (Zhangbei) Co., Ltd. Contract record no.: 2016990000287 Denomination of utility model: High-power draught fan converter Granted publication date: 20141015 License type: Exclusive License Record date: 20160714 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CGPU | Change to patent or to utility model | ||
| CU01 | Correction of utility model patent |
Correction item: Patentee Correct: Energy saving wind power (Zhangbei) Co., Ltd. False: Energy-saving Wind Power Generation (Zhangbei) Co., Ltd. Number: 42 Page: The title page Volume: 30 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Energy saving wind power (Zhangbei) Co., Ltd. False: Energy-saving Wind Power Generation (Zhangbei) Co., Ltd. Number: 42 Volume: 30 |
|
| ERR | Gazette correction | ||
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Beijing in the middle of the line of Energy Technology Consulting Co., Ltd. Assignor: Energy saving wind power (Zhangbei) Co., Ltd. Contract record no.: 2016990000287 Date of cancellation: 20170411 |