CN109458169A - A kind of high-power brake system controls of separate type - Google Patents
A kind of high-power brake system controls of separate type Download PDFInfo
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- CN109458169A CN109458169A CN201811368542.9A CN201811368542A CN109458169A CN 109458169 A CN109458169 A CN 109458169A CN 201811368542 A CN201811368542 A CN 201811368542A CN 109458169 A CN109458169 A CN 109458169A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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Abstract
本发明属于自动控制技术和电力电子技术领域，公开了一种分离式大功率制动系统控制装置，以解决现有技术中制动单元中存在的问题。该分离式大功率制动系统控制装置包括控制单元及接口单元，所述控制单元包括电压采集模块、比例放大模块、信号综合处理模块、比较模块、信号放大模块、积分反馈模块、过载保护模块、积分模块、功率放大模块、外部信号封锁模块、功率保护模块。接口单元包括复位键、调节器、第一选通器、第二选通器、负载比调节器，本发明将控制和功率分离，有效的解决了干扰带来的不稳定因素，将系统可靠性再次提高，根据实际功率需求增加或减少模块，控制单元与功率模块独立，控制单元不受功率干扰，效率高、运行稳定、可靠性高。
The invention belongs to the fields of automatic control technology and power electronics technology, and discloses a separate high-power braking system control device to solve the problems existing in the braking unit in the prior art. The separate high-power braking system control device includes a control unit and an interface unit, the control unit includes a voltage acquisition module, a proportional amplification module, a signal comprehensive processing module, a comparison module, a signal amplification module, an integral feedback module, an overload protection module, Integral module, power amplifier module, external signal blocking module, power protection module. The interface unit includes a reset key, a regulator, a first gate, a second gate, and a load ratio regulator. The present invention separates control and power, effectively solves the unstable factors caused by interference, and improves system reliability. Improve again, increase or decrease the module according to the actual power demand, the control unit is independent from the power module, the control unit is not disturbed by power, and has high efficiency, stable operation and high reliability.
Description
Technical field
The present invention relates to automatic control technologys and power electronics field, and in particular to a kind of high-power braking of separate type
System control device.
Background technique
In most large-size variable-frequency speed-regulating systems, when the inertia of dragging system is larger, when motor becomes generator, system will
In regenerative braking state, the kinetic energy of dragging system is fed back on frequency changer direct current bus, constantly increase DC bus-bar voltage,
Even up to dangerous stage (frequency converter damage etc.).High-power brake unit bears the energy that dragging system feedback is extra
The vital task released in a manner of energy consumption heat dissipation, moment protect the safety of entire frequency conversion speed-adjusting system or even the matter of entire engineering
Amount.Such as in oil-well rig system, drill bit thousands of meters of rock stratum work under in depth, due to geological condition complex and
Uncontrollable, electric control system for drilling machine constantly will provide the power source of high efficient and reliable for drill bit.
Currently, domestic brake unit major product is at small-power section (< 300kW), high-power section of brake unit mainly with
Based on the major company of the world such as Siemens, ABB, Vacon, product is control and power one, and price is high, delivery cycle is long, dimension
It repairs inconvenient and after-sale service to be difficult to ensure, therefore brings big inconvenience to domestic user.The prior art can not solve
State technical problem.
Summary of the invention
The problem of the purpose of the present invention is to solve brake units in the prior art, providing a kind of stabilization can
It leans on, the high-power brake system controls of the higher separate type of output power.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of high-power brake system controls of separate type, including control unit and interface unit, described control unit include
Voltage acquisition module, ratio enlargement module, signal synthesis processing module, comparison module, signal amplification module, integral feedback mould
Block, overload protection module, integration module, power amplifier module, external signal lockout module, power protection module；
The input terminal of voltage acquisition module is connect with voltage input interface, the output end and ratio enlargement module of voltage acquisition module
Input terminal and integration module input terminal connection, the output end of the output end of ratio enlargement module and integration module is and signal
The input terminal of integrated treatment module connects, and the output end of signal synthesis processing module and the input terminal of comparison module connect, and compares
The output end of module is connect with the input terminal of signal amplification module, the output end of signal amplification module and power amplifier module it is defeated
Enter end connection, the output end of power amplifier module is connected with multi-channel optical fibre output interface, and the connection of multi-channel optical fibre output interface is active
Rate module group；
The input terminal of external signal lockout module is connected with external blockade signal input part, the output end of external signal lockout module
It is connect with the input terminal of integrated treatment module；
The input terminal of power protection module is connected with multi-channel optical fibre input power protection signaling interface, and multi-channel optical fibre input power is protected
Shield signaling interface is connect with power module group, and the output end of power protection module and the input terminal of signal synthesis processing module connect
It connects；
The output end of signal amplification module is also connect with the input terminal of the input terminal of overload protection module and integral feedback module, product
The input terminal of feedback module output end and comparison module is divided to connect, the output end and signal synthesis processing module of overload protection module
Input terminal connection；
Interface unit includes reset key, adjuster, the first gate, the second gate, duty factor adjuster, the adjuster and
Second gate is connect with voltage acquisition module, and the reset key is connect with signal synthesis processing module, the duty factor tune
Section device is connect with the input terminal of overload protection module, and the input terminal of overload protection module is also connect with the first gate.
Further, multi-channel optical fibre output interface is 4 tunnel optical fiber output interfaces, and every road optical fiber output interface is respectively connected with one
A power module.
Further, multi-channel optical fibre input power protection signaling interface is 4 road optical fiber input powers protection signaling interface, and
A power module is respectively connected with per the protection signaling interface of optical fiber input power all the way.
Further, duty factor adjuster is adjustable resistance.
The present invention compared with the existing technology, have the utility model has the advantages that
The present invention has very wide voltage power supply range, also there is very wide power bracket, supports the quantity of extended power module, branch
Extension fault type quantity is held, system current state can be exported to host computer optimal control, is the system of big inertia dragging system
It is dynamic to provide effective reliable solution, reference is provided for system designer.The present invention can substitute previous traditional
Multiple small-power modules are subjected to a large amount of concatenated schemes, also solve thus that bring system stability is low, it is at high cost etc. to ask
Topic.Therefore economy and space cost can be effectively reduced using the present invention.
The present invention forms Hysteresis control system by control unit, breaches frequency modulation limitation, uses modulating frequency and width technology
Scheme, so that the high-power brake system controls of this separate type be enable quickly to ring when big inertia braking occurs for current transformer
It answers, and discharges rapidly the huge feedback energy of brake band, to keep converter system work safer.
Present invention employs modular design methods, have high scalability, high power density, and the interface of highly compatible makes
System design is more flexible, and has filled up the blank of domestic technique.
The present invention will be controlled and be separated with power, effective solution interference bring unstable factor, by system reliability
It improves again, according to actual power increase in demand or reduces module, multiple power module synchronous workings.Control unit and power mould
Block is independent, and not by power disturbance, multiple power modules can work asynchronously control unit；Power module can increase according to power demand
Or it reduces, easy to maintenance, high-efficient, stable, high reliablity.
Detailed description of the invention
Fig. 1 is connection schematic diagram of the invention.
Fig. 2 is control block diagram of the invention.
Appended drawing reference meaning is as follows: 1. control units；2. interface unit；3. multi-channel optical fibre output interface；Outside 4.
Locking signal input terminal；5. multi-channel optical fibre input power protects signaling interface；6. power module group；G1: voltage acquisition module；
G2: ratio enlargement module；G3: signal synthesis processing module；G4: comparison module；G5: signal amplification module；G6: integral feedback mould
Block；G7: overload protection module；G8: integration module；G9: power amplifier module；G10: external signal lockout module；G11: power
Protective module；S1: reset key；S2: adjuster；S3: the first gate；S4: the second gate；PD: duty factor adjuster.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
As shown in Figs. 1-2, the high-power brake system controls of a kind of separate type, including control unit 1 and interface unit
2, control unit 1 includes voltage acquisition module G1, ratio enlargement module G2, signal synthesis processing module G3, comparison module G4, letter
Number amplification module G5, integral feedback module G6, overload protection module G7, integration module G8, power amplifier module G9, external signal
Lockout module G10, power protection module G11.
The input terminal of voltage acquisition module G1 is connect with voltage input interface, the output end and ratio of voltage acquisition module G1
The input terminal connection of the input terminal and integration module G8 of amplification module G2, the output end and integration module G8 of ratio enlargement module G2
Output end connect with the input terminal of signal synthesis processing module G3, the output end of signal synthesis processing module G3 mould compared with
The input terminal of block G4 connects, and the output end of comparison module G4 is connect with the input terminal of signal amplification module G5, signal amplification module
The output end of G5 is connect with the input terminal of power amplifier module G9, and it is defeated that the output end of power amplifier module G9 is connected with multi-channel optical fibre
Outgoing interface 3, multi-channel optical fibre output interface 3 are connected with power module group 6.Multi-channel optical fibre output interface 3 is that 4 tunnel optical fiber outputs connect
Mouthful, every road optical fiber output interface be respectively connected with a power module (model of power module such as SEMIKRON company
SEMi653GAL176HDs).
The input terminal of external signal lockout module G10 is connected with external blockade signal input part 4, external signal lockout module
The output end of G10 is connect with the input terminal of integrated treatment module G3.
The input terminal of power protection module G11 is connected with multi-channel optical fibre input power protection signaling interface 5, and multi-channel optical fibre is defeated
Enter power protection signaling interface 5 to connect with power module group 6, it is that 4 road optical fiber are defeated that multi-channel optical fibre input power, which protects signaling interface 5,
Enter power protection signaling interface, and is respectively connected with a power module per the protection signaling interface of optical fiber input power all the way.Power
The output end of protective module G11 is connect with the input terminal of signal synthesis processing module G3.
The output end of signal amplification module G5 is also defeated with the input terminal of overload protection module G7 and integral feedback module G6
Enter end connection, integral feedback module G6 output end is connect with the input terminal of comparison module G4, the output end of overload protection module G7
It is connect with the input terminal of signal synthesis processing module G3.
Interface unit 2 includes reset key S1, adjuster S2, the first gate S3, the second gate S4, duty factor adjuster
PD, the adjuster S2 and the second gate S4 are connect with voltage acquisition module G1, at the reset key S1 and signal synthesis
Module G3 connection is managed, the duty factor adjuster PD is connect with the input terminal of overload protection module G7, overload protection module G7's
Input terminal is also connect with the first gate S3.
The voltage acquisition module G1, its main feature is that being carried out according to the setting of adjuster S2 and the first gate S4 to voltage
Tracking, for tool there are two types of voltage input interface, one is can be another by the input interface of the direct collection voltages of resistor network
Kind is the input interface for voltage sensor, such as voltage-type LEM LV25-P/SP5.
The ratio enlargement module G2, its main feature is that being carried out to the voltage signal real-time tracking of voltage acquisition module G1 output
Scale operation, it is effector that ratio enlargement module G2, which is based on general-purpose operation amplifier (such as LM324 of Texas Instruments),
The computing module of part.
The signal synthesis processing module G3, its main feature is that with comparator (such as LM339 of ST Microelectronics), fortune
The computing module of the devices as function element such as amplifier (such as LM324 of Texas Instruments) and triode is calculated, to coming from
The output signal of ratio enlargement module G2, the output signal of integration module G8, the output signal of external signal lockout module G10,
Output signal, the output signal of overload protection module G7 and the output signal of power protection module G11 of overload protection module G7
Carry out integrated treatment.
The comparison module G4, its main feature is that output signal and integral of the processing from signal synthesis processing module G3 are anti-
The output signal of module G6 is presented, comparison module G4 is using comparator (such as LM339 of ST Microelectronics) as effector
The module of part.
The signal amplification module G5, its main feature is that amplifying processing to the signal from comparison module G4, signal is put
Big module G5 is using operational amplifier (such as LM324 of Texas Instruments) as the module of function element.
The power amplifier module G9, its main feature is that being carried out at power amplification to from the signal amplification module G5
Reason, and the output of 4 road fiber-optic signals is driven, and support to extend, power amplifier module G9 is with triode (for example, fairchild is public
Department) module as function element.
The integral feedback module G6, its main feature is that output signal of the processing from the signal amplification module G5, into
Row calculation process, integral feedback module G6 are using capacitor (such as WIMA company) as the module of function element.
The overload protection module G7, its main feature is that being handled according to the setting of gate S3 and duty factor adjuster PD
Output signal from the signal amplification module G5 carries out calculation process.
The integration module G8, its main feature is that being carried out to the voltage signal real-time tracking of voltage acquisition module G1 output
Integral operation.
The external signal lockout module G10, its main feature is that with optocoupler (such as CNY-65 of Wei Shi semiconductor company) and
Receiving module of the triode as major function device, processing come from externally input locking signal, can effectively reduce and
From external disturbance, the probability of false triggering is reduced.
The power protection module G11 its main feature is that processing protects signal from external power, and has 4 road optical fiber
Receiving port, and support to extend is operational amplifier (such as the Dezhou with comparator (such as LM339 of ST Microelectronics)
The LM324 of instrument company) computing module of the device as major function device.
The reset key S1, its main feature is that cannot self-healing failure progress hand-reset after failure occurs and excludes.
The adjuster S2, its main feature is that discharge threshold can be adjusted according to field working conditions demand.
The second gate S3, its main feature is that can be selected to be to throw power cell full load according to field working conditions demand
Enter work.
The first gate S4, its main feature is that the voltage class of work can be selected according to field working conditions demand.
The duty factor adjuster PD can be adjustable resistance, load its main feature is that can be adjusted according to field working conditions demand
Than.
When normal work, voltage acquisition module G1 is carried out according to the setting of adjuster S2 and the second gate S4 to voltage
Real-time tracking, and the input terminal of the ratio enlargement module G2 and the input terminal of the integration module G8 are outputed voltage signal to,
Ratio enlargement module G2 and integration module G8 carries out operation to voltage signal, later exports operation result to signal synthesis processing
The output of module G3, signal synthesis processing module G3 to output signal, the integration module G8 from ratio enlargement module G2
Signal, the output signal of external signal lockout module G10, the output signal of overload protection module G7 and power protection module G11
Output signal carry out integrated treatment operation, operation result is exported to comparison module G4 later, comparison module G4 is self-confident in the future
Number output signal of integrated treatment module G3 and the output signal of integral feedback module G6 do calculation process, after operation result is defeated
Processing is amplified to the signal from comparison module G4 to signal amplification module G5, signal amplification module G5 out, after by signal
Output is to power amplifier module G9, and power amplifier module G9 is to from signal amplification module G5 progress power amplification processing driving light
Fine emitting head is controlled output of pulse signal to power module group 6 by 4 tunnel optical fiber output interfaces 3.
If external signal lockout module G10 is received from external locking signal, exported after signal operation is handled
To signal synthesis processing module G3, signal synthesis processing module G3 issues blocking instruction after receiving locking signal.
Overload protection module G7 detects the output signal from signal amplification module G5, according to the first gate S3 and load
If the setting than adjuster PD carries out calculation process beyond setting, overload protection signal can be issued and exported to signal synthesis processing mould
Block G3, signal synthesis processing module G3 issue protection instruction after receiving overload protection signal.
Power protection module G11, which is received, protects signal from external power, after receiving signal, by protection signal output
To signal synthesis processing module G3, signal synthesis processing module G3 issues protection instruction after receiving power protection signal.
Claims (4)
1. a kind of high-power brake system controls of separate type, it is characterized in that: including control unit (1) and interface unit (2),
Described control unit (1) includes voltage acquisition module (G1), ratio enlargement module (G2), signal synthesis processing module (G3), ratio
Compared with module (G4), signal amplification module (G5), integral feedback module (G6), overload protection module (G7), integration module (G8), function
Rate amplification module (G9), external signal lockout module (G10), power protection module (G11)；
The input terminal of the voltage acquisition module (G1) is connect with voltage input interface, the output end of voltage acquisition module (G1) with
The input terminal of ratio enlargement module (G2) and the connection of the input terminal of integration module (G8), the output end of ratio enlargement module (G2) and
The output end of integration module (G8) is connect with the input terminal of signal synthesis processing module (G3), signal synthesis processing module (G3)
Output end connect with the input terminal of comparison module (G4), the output end of comparison module (G4) is defeated with signal amplification module (G5)
Enter end connection, the output end of signal amplification module (G5) is connect with the input terminal of power amplifier module (G9), power amplifier module
(G9) output end is connected with multi-channel optical fibre output interface (3), and multi-channel optical fibre output interface (3) is connected with power module group (6)；
The input terminal of the external signal lockout module (G10) is connected with external blockade signal input part (4), external signal block
The output end of module (G10) is connect with the input terminal of integrated treatment module (G3)；
The input terminal of the power protection module (G11) is connected with multi-channel optical fibre input power protection signaling interface (5), multichannel light
Fine input power protection signaling interface (5) connect with power module group (6), the output end and signal of power protection module (G11)
The input terminal of integrated treatment module (G3) connects；
The output end of the signal amplification module (G5) also with the input terminal and integral feedback module of overload protection module (G7)
(G6) input terminal connection, integral feedback module (G6) output end are connect with the input terminal of comparison module (G4), overload protection mould
The output end of block (G7) is connect with the input terminal of signal synthesis processing module (G3)；
The interface unit (2) includes reset key (S1), adjuster (S2), the first gate (S3), the second gate (S4), bears
It carries than adjuster (PD), the adjuster (S2) and the second gate (S4) are connect with voltage acquisition module (G1), described multiple
Position key (S1) is connect with signal synthesis processing module (G3), and the duty factor adjuster (PD) is defeated with overload protection module (G7)
Enter end connection, the input terminal of overload protection module (G7) is also connect with the first gate (S3).
2. the high-power brake system controls of a kind of separate type according to claim 1, it is characterized in that: the multichannel light
Fine output interface (3) is 4 tunnel optical fiber output interfaces, and every road optical fiber output interface is respectively connected with a power module.
3. the high-power brake system controls of a kind of separate type according to claim 1 or 2, it is characterized in that: described more
It is that 4 road optical fiber input powers protect signaling interface, and every optical fiber input work all the way that road optical fiber input power, which protects signaling interface (5),
Rate protection signaling interface is respectively connected with a power module.
4. the high-power brake system controls of a kind of separate type according to claim 1, it is characterized in that: the duty factor
Adjuster (PD) is adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368542.9A CN109458169B (en) | 2018-11-16 | 2018-11-16 | A separate high-power braking system control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368542.9A CN109458169B (en) | 2018-11-16 | 2018-11-16 | A separate high-power braking system control device |
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| CN109458169A true CN109458169A (en) | 2019-03-12 |
| CN109458169B CN109458169B (en) | 2023-11-14 |
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| CN104467568A (en) * | 2014-12-15 | 2015-03-25 | 中国矿业大学 | Switch reluctance motor braking torque closed-loop control system and method |
| CN106990729A (en) * | 2017-03-29 | 2017-07-28 | 中国科学院长春光学精密机械与物理研究所 | A kind of small-sized numerical model analysis Piezoelectric Ceramic system |
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| US3427554A (en) * | 1967-07-03 | 1969-02-11 | Honeywell Inc | Control apparatus |
| CN1077774A (en) * | 1992-04-23 | 1993-10-27 | 长沙矿山研究院 | Microcomputer control system of rotary drill |
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