CN203166797U - Special frequency converter for adjusting speed of trolley locomotive - Google Patents
Special frequency converter for adjusting speed of trolley locomotive Download PDFInfo
- Publication number
- CN203166797U CN203166797U CN201320087794.0U CN201320087794U CN203166797U CN 203166797 U CN203166797 U CN 203166797U CN 201320087794 U CN201320087794 U CN 201320087794U CN 203166797 U CN203166797 U CN 203166797U
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- China
- Prior art keywords
- insulated gate
- gate bipolar
- controller
- current sensor
- bipolar transistor
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 13
- 230000006698 induction Effects 0.000 claims abstract description 4
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
- Inverter Devices (AREA)
Abstract
一种架线式电机车调速专用变频器，它属于一种电机车变频器。它主要是解决现有的变频器能耗较高、输出不稳定、保护措施不完善等技术问题。其技术方案要点是：它包括司控器、电流传感器、交流电机，其特征是：司控器连接微机控制器，微机控制器与绝缘栅双极型晶体管驱动板通过整流器和感应线圈连接且并联有两个或两个以上电阻，绝缘栅双极型晶体管驱动板上设置有七个或七个以上绝缘栅双极型晶体管，绝缘栅双极型晶体管与交流电机连接，交流电机上设置有电流传感器，电流传感器与微机控制器相连。
The utility model relates to a special frequency converter for speed regulation of a wire type electric locomotive, which belongs to a frequency converter for electric locomotives. It mainly solves technical problems such as high energy consumption, unstable output, and imperfect protection measures of existing frequency converters. The main points of the technical solution are: it includes a controller, a current sensor, and an AC motor, and is characterized in that: the controller is connected to a microcomputer controller, and the microcomputer controller and the insulated gate bipolar transistor drive board are connected in parallel through a rectifier and an induction coil There are two or more resistors, seven or more insulated gate bipolar transistors are set on the drive board of the insulated gate bipolar transistor, and the insulated gate bipolar transistor is connected with the AC motor, and the AC motor is provided with a current The sensor and the current sensor are connected with the microcomputer controller.
Description
Technical field
The utility model relates to a kind of frequency converter, particularly a kind of trolley locomotive speed governing special converter.
Background technology
At present, China is mining dc electric formula electric locomotive, general what adopt is complex structure, involve great expense, moisture resistivity is poor, failure rate height, DC motor transmission that maintenance cost is big.Governing system still adopts traditional resistor decompression speed mode to realize speed-regulating function, its device structure complexity, and sub-assembly all is to work under the contact switch state, because frequent movement cause reduce the useful life of poor contact of contacts and device, and noise is bigger.Not only maintenance capacity is big for this traditional mode of speed regulation, and because of the strip resistance operation, has caused the significant wastage of electric energy.
The utility model content
The purpose of this utility model provides a kind of contactless control; can by driver controller realize locomotive forward, backward, starting, traction, feedback electric braking; have perfect overcurrent, current limliting, overvoltage, under-voltage protection measure; can export specified 2 times of torques; start level and smooth non-jitter, energy-efficient trolley locomotive speed governing special converter.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises controller, current sensor, alternating current machine, it is characterized in that: controller connects microcomputerized controller 1, microcomputerized controller 1 is connected with induction coil by rectifier with insulated gate bipolar transistor drive plate 2 and is parallel with two or more resistance, insulated gate bipolar transistor drive plate 2 is provided with seven or seven above insulated gate bipolar transistors 3, insulated gate bipolar transistor 3 is connected with alternating current machine, alternating current machine is provided with current sensor, and current sensor links to each other with microcomputerized controller 1.
Microcomputerized controller 1 described in the utility model can adopt the TMS320LF2407A model.
Current sensor described in the utility model can adopt Hall current sensor.
Microcomputerized controller 1 described in the utility model is provided with and comprises and start stop key 4, just change reverse key 5, reset key 6, temperature switch 7, ready lamp 8, running indicator 9, alarm lamp 10, time-delay reset box 11, the given key 12 of speed and fan 13.
The beneficial effects of the utility model are: safeguard measure is perfect, and output is stable, starts level and smooth, energy-efficient.
Description of drawings
Fig. 1 is master control borad schematic diagram of the present utility model.
Fig. 2 is main electrical equipment principle schematic of the present utility model.
Among the figure: the 1-microcomputerized controller, 2-insulated gate bipolar transistor drive plate, the 3-insulated gate bipolar transistor, 4-stop key, 5-are just changeing reverse key, 6-reset key, 7-temperature switch, 8-ready lamp, 9-running indicator.The 10-alarm lamp, 11-time-delay reset box, the given key of 12-speed, 13-fan.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further details.
Embodiment 1; the utility model comprises controller; current sensor; alternating current machine; it is characterized in that: controller connects microcomputerized controller 1; microcomputerized controller 1 is connected with induction coil by rectifier with insulated gate bipolar transistor drive plate 2 and is parallel with two or more resistance; insulated gate bipolar transistor drive plate 2 is provided with seven or seven above insulated gate bipolar transistors 3; insulated gate bipolar transistor 3 is connected with alternating current machine; alternating current machine is provided with current sensor; current sensor links to each other with microcomputerized controller 1; when receiving the controller instruction; microcomputerized controller 1 produces the three-phase pulse width modulated signal by software control; drive insulated gate bipolar transistor 3 through insulated gate bipolar transistor drive plate 2 again; produce three-phase pulse width modulated voltage and drive alternating current machine; pass through current sensor; detect current of electric; by the current phasor conversion; carry out dynamic flux regulator and torque current closed-loop adjustment; produce the space vector of voltage pulse-width signal; the traction of realization motor; regenerative braking; realize the motor inverted running by software mode simultaneously; thereby realize the contactless control of motor; when protective circuit detects over current of motor; hardware lockout control signal at once realizes system protection.Consult Fig. 1 to Fig. 2.
Embodiment 2, microcomputerized controller 1 described in the utility model can adopt the TMS320LF2407A model, core algorithm is that the state-of-the-art DTC technology of present frequency converter industry and VVVF algorithm are combined, DTC and the VVVF core control technology better effects if more independent than common frequency converter.Consult Fig. 1 to Fig. 2, all the other are with embodiment 1.
Embodiment 5, the utility model also can with the supporting use of the electric locomotive used frequency converter controller of mining GENERAL TYPE, constitute the frequency control electric-control system jointly, finish speed regulating control functions such as train starting, acceleration, braking.Consult Fig. 1 to Fig. 2, all the other are with above-mentioned embodiment.
Claims (4)
1. trolley locomotive speed governing special converter, it comprises controller, current sensor, alternating current machine, it is characterized in that: controller connects microcomputerized controller (1), microcomputerized controller (1) is connected with induction coil by rectifier with insulated gate bipolar transistor drive plate (2) and is parallel with two or more resistance, insulated gate bipolar transistor drive plate (2) is provided with seven or seven above insulated gate bipolar transistors (3), insulated gate bipolar transistor (3) is connected with alternating current machine, alternating current machine is provided with current sensor, and current sensor links to each other with microcomputerized controller (1).
2. trolley locomotive speed governing special converter according to claim 1, it is characterized in that: described microcomputerized controller (1) can adopt the TMS320LF2407A model.
3. trolley locomotive speed governing special converter according to claim 2, it is characterized in that: described current sensor can adopt Hall current sensor.
4. trolley locomotive speed governing special converter according to claim 3 is characterized in that: described microcomputerized controller (1) is provided with and comprises and start stop key (4), just change reverse key (5), reset key (6), temperature switch (7), ready lamp (8), running indicator (9), alarm lamp (10), time-delay reset box (11), the given key of speed (12) and fan (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320087794.0U CN203166797U (en) | 2013-02-27 | 2013-02-27 | Special frequency converter for adjusting speed of trolley locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320087794.0U CN203166797U (en) | 2013-02-27 | 2013-02-27 | Special frequency converter for adjusting speed of trolley locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166797U true CN203166797U (en) | 2013-08-28 |
Family
ID=49027951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320087794.0U Expired - Fee Related CN203166797U (en) | 2013-02-27 | 2013-02-27 | Special frequency converter for adjusting speed of trolley locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166797U (en) |
-
2013
- 2013-02-27 CN CN201320087794.0U patent/CN203166797U/en not_active Expired - Fee Related
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Legal Events
| 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 |
Granted publication date: 20130828 Termination date: 20170227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |