CN205792322U - Mine direct current capable AC permagnetic synchronous motor variable-frequency governor - Google Patents
Mine direct current capable AC permagnetic synchronous motor variable-frequency governor Download PDFInfo
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- CN205792322U CN205792322U CN201620575810.4U CN201620575810U CN205792322U CN 205792322 U CN205792322 U CN 205792322U CN 201620575810 U CN201620575810 U CN 201620575810U CN 205792322 U CN205792322 U CN 205792322U
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- power switch
- switch pipe
- frequency governor
- variable
- direct current
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Abstract
The utility model discloses a kind of mine direct current capable AC permagnetic synchronous motor variable-frequency governor, described variable-frequency governor is by storage battery power supply and connects motor, it is characterized in that described variable-frequency governor includes electrifying control circuit, inverter circuit, input and display circuit and digital signal processor, described electrifying control circuit connects described inverter circuit, and described digital signal processor connects each described circuit of control.The utility model has the advantages that, use modern control technology so that mining electric locomotive is highly reliable, pull strength is big, maintenance is little, amount of electricity saving is high.
Description
Technical field
This utility model relates to mining device, is specifically related to a kind of mine direct current capable AC permagnetic synchronous motor frequency conversion and adjusts
Speed device.
Background technology
The mine direct current electrical convertors and generators car speed regulator of China's coal-mine, is the most all rheostatic speed regulation type at present.This speed governing is deposited
Big in a lot of drawbacks, first power consumption, DC traction rheostatic speed regulation locomotive, does not run drawing electric network generating anti-at gug
Feedback function, so the electric power of DC traction stringing rheostatic speed regulation locomotive is starting and during retarding braking, consumption in vain exists
On resistance.And maintenance capacity is big, due to how tactile group contact, section sheet easily arcing scaling loss in switching operating process of speed regulator,
Often polishing is even changed, and maintenance capacity is big.Furthermore, dc motor spoilage is high, the copperhead must having due to dc motor
Commutator and carbon brush, this most necessarily causes the damage amount of dc motor and maintenance capacity bigger.
Summary of the invention
The purpose of this utility model be according to above-mentioned the deficiencies in the prior art in place of, it is provided that a kind of mine direct current capable AC
Permagnetic synchronous motor variable-frequency governor, this variable-frequency governor passes through power switch pipe (QT1, QT2, QT3, QT4, QT5, QT6) group
Become three-phase inverter bridge circuit, thus obtain the adjustable alternating current of 0-50HZ to drag AC permanent magnet synchronous motor.
The realization of this utility model purpose is completed by techniques below scheme:
A kind of mine direct current capable AC permagnetic synchronous motor variable-frequency governor, described variable-frequency governor is by storage battery power supply
And connect motor, it is characterised in that described variable-frequency governor include electrifying control circuit, inverter circuit, input and display circuit with
And digital signal processor, described electrifying control circuit connects described inverter circuit, and described digital signal processor connects control
Each described circuit.
Described electrifying control circuit includes input direct-current catalyst (Q1), fuse (FU1, FU2), upper electric contactor (Q2)
And the resistance that powers on (R1, R2), described input direct-current catalyst (Q1) and described upper electric contactor (Q2) with described numeral letter
Number processor is connected.
Described inverter circuit include filter capacitor (C1, C2, C3), equalizing resistance (R3, R4, R5), filter inductance (L1) with
And IPM module, described IPM module is made up of power switch pipe (QT1, QT2, QT3, QT4, QT5, QT6).
In described IPM module, the colelctor electrode of power switch pipe (QT1, QT3, QT5) connects described battery positive voltage, power switch
The emitter stage of pipe (QT2, QT4, QT6) connects the negative pole of described accumulator.
The junction point of the colelctor electrode of the emitter stage of power switch pipe (QT1) and power switch pipe (QT2) and the A of described motor
It is connected, the emitter stage of power switch pipe (QT3) junction point with power switch pipe (QT4) colelctor electrode and the B phase of described motor
It is connected, the emitter stage of power switch pipe (QT5) junction point with the colelctor electrode of power switch pipe (QT6) and the C phase of described motor
It is connected.
Between basis set and the described digital signal processor of described power switch pipe (QT1, QT2, QT3, QT4, QT5, QT6)
Carrying out PWM drives control to connect.
This utility model has the advantage that: (1) hauling ability is more preferable, and when low-frequency starting, starting torque is up to rated value
300%, AC induction motor can be made to reach and exceed starting torque and the pulling figure of direct current generator, its pull strength is common
1.6 times of direct-current electric locomotive；Meet the locomotive maximum starting tractive effort when low speed, make locomotive band heavy-load start strong and powerful；
(2) maintenance capacity is less, and alternating current generator coil and commutation copperhead, driver controller non-contact, substantially without maintenance capacity；(3) save
Electric energy, in the case of circuit descending, locomotive can charge to supply unit, thus reduces electric quantity consumption, increases charging fortune
The mileage of row, decreases supply unit charging times, and economize on electricity saving of labor, increasing storage battery service life.
Accompanying drawing explanation
Fig. 1 is the principle schematic of variable-frequency governor in this utility model.
Detailed description of the invention
This utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing,
So that the understanding of technical staff of the same trade:
Embodiment: as it is shown in figure 1, the present embodiment is specifically related to a kind of mine direct current capable AC permagnetic synchronous motor frequency conversion
Speed regulator, this variable-frequency governor is by accumulator, electrifying control circuit, inverter circuit, input and display circuit, Digital Signal Processing
Device and motor M are formed, and wherein, accumulator, electrifying control circuit, inverter circuit and motor M are sequentially connected with, digital signal
Processor connects aforesaid each circuit and motor M.
Electrifying control circuit include input direct-current catalyst (Q1), fuse (FU1, FU2), upper electric contactor (Q2) and
Power on resistance (R1, R2), wherein, at input direct-current catalyst (Q1) and described upper electric contactor (Q2) and described digital signal
Reason device is connected.
Inverter circuit includes filter capacitor (C1, C2, C3), equalizing resistance (R3, R4, R5), filter inductance (L1), resistance
And IPM module (Rs), described IPM module is made up of power switch pipe (QT1, QT2, QT3, QT4, QT5, QT6), wherein, and number
Word signal processor is connected the monitoring carrying out electric current with voltage with resistance (Rs) two ends, and digital signal processor is with each merit
The basis set of rate switching tube (QT1, QT2, QT3, QT4, QT5, QT6) is connected to be sent to PWM drive signal and is controlled；This
Outward, the positive pole of accumulator connects the Power of collector switching tube of three-phase inversion bridge tube QT1, QT3, QT5 that power switch pipe forms
The emitter stage of QT2, QT4, QT6 connects the negative pole of accumulator；The emitter stage of power switch pipe QT1 and the current collection of power switch pipe QT2
The junction point of pole is connected with the A phase of motor M, the emitter stage of power switch pipe QT3 and the junction point of power switch pipe QT4 colelctor electrode
It is connected with the B phase of motor M, the junction point of the colelctor electrode of the emitter stage of power switch pipe QT5 and power switch pipe QT6 and motor M
C phase be connected.
Digital signal processor in addition to being connected with aforesaid electrifying control circuit and inverter circuit, also with motor M with
And input is connected with display circuit, the position sensor signal DR of AC permanent magnet synchronous motor M is connected to digital signal processor
In, so that digital signal processor obtains the positional information of motor M in real time.
As it is shown in figure 1, the variable-frequency governor operation principle in the present embodiment is: accumulator both end voltage contacts through direct current
The electrifying control circuit that device (Q1), fuse (FU1, FU2), upper electric contactor (Q2), the resistance that powers on (R1, R2) are constituted, then warp
Cross by filter capacitor (C1, C2, C3), equalizing resistance (R3, R4, R5), filter inductance L1, IPM module (QT1, QT2, QT3, QT4,
QT5, QT6) inverter circuit that constitutes, the voltage producing 0～50HZ Frequency Adjustable is sent in AC permanent magnet synchronous motor M；At this
During, electrifying control circuit part, inverter circuit part, input are carried out collection with display circuit part by digital signal processor
Middle control, AC permanent magnet synchronous motor position sensor signal DR is connected in digital signal processor, driving of power switch pipe
Dynamic signal uses PWM to control technology.
Variable-frequency governor in the present embodiment instead of that current colliery widely used involves great expense, maintenance cost is big, consumption
The rheostatic speed regulation formula dc motor that electricity is big drags the electric locomotive speed regulator of operating, and this variable-frequency governor also has energy feedback
Function, can saves energy to greatest extent.
Claims (6)
1. a mine direct current capable AC permagnetic synchronous motor variable-frequency governor, described variable-frequency governor is by storage battery power supply also
Connect motor, it is characterised in that described variable-frequency governor include electrifying control circuit, inverter circuit, input and display circuit and
Digital signal processor, described electrifying control circuit connects described inverter circuit, and it is each that described digital signal processor connects control
Described circuit.
A kind of mine direct current capable AC permagnetic synchronous motor variable-frequency governor the most according to claim 1, its feature exists
In described electrifying control circuit include input direct-current catalyst (Q1), fuse (FU1, FU2), upper electric contactor (Q2) and on
Electricity resistance (R1, R2), described input direct-current catalyst (Q1) and described upper electric contactor (Q2) and described Digital Signal Processing
Device is connected.
A kind of mine direct current capable AC permagnetic synchronous motor variable-frequency governor the most according to claim 1, its feature exists
Filter capacitor (C1, C2, C3), equalizing resistance (R3, R4, R5), filter inductance (L1) and IPM mould is included in described inverter circuit
Block, described IPM module is made up of power switch pipe (QT1, QT2, QT3, QT4, QT5, QT6).
A kind of mine direct current capable AC permagnetic synchronous motor variable-frequency governor the most according to claim 3, its feature exists
In described IPM module, the colelctor electrode of power switch pipe (QT1, QT3, QT5) connects described battery positive voltage, power switch pipe
The emitter stage of (QT2, QT4, QT6) connects the negative pole of described accumulator.
A kind of mine direct current capable AC permagnetic synchronous motor variable-frequency governor the most according to claim 3, its feature exists
A phase phase in the emitter stage of power switch pipe (QT1) junction point with the colelctor electrode of power switch pipe (QT2) with described motor
Even, the emitter stage of power switch pipe (QT3) is connected with the B phase of described motor with the junction point of power switch pipe (QT4) colelctor electrode,
The emitter stage of power switch pipe (QT5) is connected with the C phase of described motor with the junction point of the colelctor electrode of power switch pipe (QT6).
A kind of mine direct current capable AC permagnetic synchronous motor variable-frequency governor the most according to claim 3, its feature exists
Carry out between the basis set and described digital signal processor of described power switch pipe (QT1, QT2, QT3, QT4, QT5, QT6)
PWM drives and controls to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620575810.4U CN205792322U (en) | 2016-06-14 | 2016-06-14 | Mine direct current capable AC permagnetic synchronous motor variable-frequency governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620575810.4U CN205792322U (en) | 2016-06-14 | 2016-06-14 | Mine direct current capable AC permagnetic synchronous motor variable-frequency governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792322U true CN205792322U (en) | 2016-12-07 |
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ID=58131673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620575810.4U Active CN205792322U (en) | 2016-06-14 | 2016-06-14 | Mine direct current capable AC permagnetic synchronous motor variable-frequency governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205792322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347320A (en) * | 2018-11-26 | 2019-02-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of circuit and motor inhibiting discrete device interference |
-
2016
- 2016-06-14 CN CN201620575810.4U patent/CN205792322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347320A (en) * | 2018-11-26 | 2019-02-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of circuit and motor inhibiting discrete device interference |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |