CN203275995U - Multichannel period synchronization coordination controller - Google Patents
Multichannel period synchronization coordination controller Download PDFInfo
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- CN203275995U CN203275995U CN2013202968677U CN201320296867U CN203275995U CN 203275995 U CN203275995 U CN 203275995U CN 2013202968677 U CN2013202968677 U CN 2013202968677U CN 201320296867 U CN201320296867 U CN 201320296867U CN 203275995 U CN203275995 U CN 203275995U
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- 238000012937 correction Methods 0.000 claims description 13
- 230000000737 periodic effect Effects 0.000 claims description 8
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model belongs to the frequency converter control technology field, especially relates to a multichannel period synchronization coordination controller and discloses a channel coordination controller used for a polyphase motor and multichannel power supply. The controller is characterized in that the synchronization period, synchronization sampling, synchronization control and synchronization pulse output can be realized between multichannel control and information coordination between the channels can be realized too; a concentrated-distributed composition form is adopted; a concentration controller and a plurality of channel controllers are comprised. Each channel controller comprises a reserved coordination communication interface circuit, a core control circuit, a period synchronization circuit and other circuits. The period synchronization circuit of the channel controller is successively connected with the period synchronization circuit of the next channel controller. Through concentrated-distributed control, a modular design of the channel controllers is convenient. Reliability of the channel controllers and the system is increased. When one channel is failed, normal operation of other channels is realized under the condition that a machine does not stop and power is not off.
Description
Technical field
The utility model belongs to the Frequency Converter Control technical field, particularly relates to a kind of hyperchannel cycle synchronisation tuning controller, is specially a kind of passage tuning controller for polyphase machine and hyperchannel power supply.
Background technology
Be applied in motor-driven and power supply at big-power transducer, limited and consider operation under fault condition usually design of electrical motor to be become polyphase machine due to the peak power of power cell, power supply is designed to hyperchannel passes through transformers connected in parallel.Perhaps due to higher output voltage, the main circuit design success ratio is the unit cascaded or version of carrying out the magnetic field cascade by transformer.General three phase converter controller can not satisfy hyperchannel and control requirement.For the control of these multi-channel systems, existing three class Multi Channel Controllers: the one, Centralized Controller.The 2nd, conventional passage tuning controller.The 3rd, high speed real-time Communication for Power tuning controller.The 4th, the carrier synchronization controller.
Existing Centralized Controller all concentrates on sampling input, conditioning, computing, control output and the PERCOM peripheral communication of each passage in one cover controller.Only need in the controller internal coordination between passage.
Existing conventional passage tuning controller is controlled the single passage of whole system, and the coordination between passage is by the mode of general communication, as Ethernet, CAN, RS-485, Profibus-DP etc.The real-time Communication for Power speed of conventional communication mode can satisfy the coordination of given instruction, outer shroud (comprising rotating speed outer shroud, outer voltage, power outer shroud etc.), even interior ring (comprising ring, Voltage Reference in current inner loop, torque) and part input quantity at 1ms ~ 100ms.But can not satisfy the coordination of us level pulse signal.Existing conventional passage tuning controller can realize that the independent of passage controlled separately.
Existing high speed real-time Communication for Power tuning controller, the real-time of communication reaches the us level, carries out impulsive synchronization, and can coordinate switching between control and independent control.Yet this type of controller core technology only rests in the minority such as ABB, Siemens external producer.And this type of design is fixed as impulsive synchronization, and interchannel pulse phase difference is non-programmable.
Existing carrier synchronization controller, the coordination of unrealized other controlled quentity controlled variable does not have impulsive synchronization and pulse error correction.
Summary of the invention
The purpose of this utility model is to provide a kind of hyperchannel cycle synchronisation tuning controller, and its controlled quentity controlled variable between can not only the real time coordination hyperchannel can also keep the interchannel cycle synchronisation.
For achieving the above object, the technical solution of the utility model is:
A kind of hyperchannel cycle synchronisation tuning controller is comprised of a Centralized Controller and the channel controller that is distributed in a plurality of passages, has one to be the main channel controller in channel controller, and other is from channel controller; Channel controller comprises passage independently sample circuit, shared sample circuit, output circuit, the communication interface circuit of passage; Centralized Controller and all channel controller form to be concentrated-distributed network; Channel controller also comprises reserves coordinating communication interface circuit, core control circuit and cycle synchronisation circuit; The cycle synchronisation circuit of channel controller is to connect successively the adjacent next one from the cycle synchronisation circuit of channel controller headed by the controller of main channel; The reservation coordinating communication interface of all channel controllers is interconnected when needed, forms a public reservation coordination network.
Further technical scheme is respectively on the such scheme basis:
Preferably, described Centralized Controller is used for focusing on and the communicating by letter of external interface, and described channel controller is used for controlling respective channel.
Preferably, described concentrate-distributed network, be used for according to the coordination system determine all channel controllers be one main many from rapport, namely comprise a main channel controller and at least one is from channel controller; And the controlled quentity controlled variable that need coordinate between definite passage, determine that the controlled quentity controlled variable of coordination is being communicated by letter on concentrated-distributed network or reserved on coordination network and communicating by letter.
Preferably, when the Content of Communication of described Centralized Controller and channel controller is less, determine to communicate by letter on concentrated-distributed network, need not to connect the reservation coordination network; When the Content of Communication of described Centralized Controller and channel controller is more, determine to communicate by letter on the reservation coordination network.
Preferably, the coordination controlled quentity controlled variable of communicating by letter on described concentrating-distributed network or reservation coordination network comprises: the coordination controlled quentity controlled variable of given instruction, outer shroud, interior ring and part input also comprises the poor coordination controlled quentity controlled variable of interchannel cycle synchronisation mode, fixed skew and variation phase of exporting pulse; Described outer shroud is coordinated controlled quentity controlled variable and is comprised rotating speed outer shroud, outer voltage, power outer shroud coordination controlled quentity controlled variable; Described interior ring is coordinated controlled quentity controlled variable and is comprised ring in current inner loop, torque, Voltage Reference coordination controlled quentity controlled variable.
The coordination controlled quentity controlled variable of preferably, communicating by letter on described concentrating-distributed network or reservation coordination network also comprises redundancy scheme; Described redundancy scheme is that other passage is kept operation when a channel failure, realizes falling the hot backup of power.
Preferably, the cycle synchronisation circuit of described channel controller comprises inter-sync circuit and outer synchronizing circuit, and its China and foreign countries' synchronizing circuit comprises a synchronizing signal transmission interface and a synchronizing signal receiving interface, and outer synchronizing circuit also comprises the impulsive synchronization correction module; Described inter-sync circuit is used for keeping the recurrence interval of this passage to synchronize with the execution cycle of core control circuit, and interchannel is coordinated cycle synchronisation; Described outer synchronizing circuit is used for keeping synchronizeing with the recurrence interval of connected passage; The impulsive synchronization correction module is synchronous at above-mentioned execution cycle, coordinate be used for realizing impulsive synchronization, and error correction to be carried out in pulse to mistake under cycle synchronisation and synchronous effect of recurrence interval.
Preferably, synchronizing signal transmission interface with described main channel controller connects the adjacent next one from the synchronizing signal receiving interface of channel controller, this is first from channel controller from channel controller, if also have from channel controller, previous synchronizing signal transmission interface from channel controller connects the adjacent next one successively from the synchronizing signal receiving interface of channel controller; Described main channel controller cycle is from synchronizing signal transmission interface output recurrence interval synchronizing signal, first from channel controller according to this signal, upgrade the cycle synchronisation circuit of this channel controller and the periodic basis of core control circuit; Successively, previous output from channel controller periodicity from the synchronizing signal transmission interface by the recurrence interval synchronizing signal after synchronous, the adjacent next one according to this signal, upgrades the cycle synchronisation circuit of this channel controller and the periodic basis of core control circuit from channel controller.
The beneficial effect that has of the present utility model is:
1. concentrate-distribute and control, be convenient to the modular design of channel controller, improved the reliability of channel controller and system.When a channel failure, in the situation that do not shut down and do not cut off the power supply, realized the normal operation of other passage.
2. invention can select to export the interchannel cycle synchronisation mode of pulse as requested, namely keeps the interchannel impulsive synchronization, keeps interchannel impulsive synchronization and asynchronous with the pulse of the poor maintenance interchannel of programmable variation phase with programmable fixed skew; Interchannel is coordinated and the recurrence interval synchronously is convenient to multichannel synchronizing cycle, synchronized sampling, synchro control and synchronizing pulse output, and the coordination of interchannel information;
3. error correction is carried out in pulse to mistake, the overcurrent of having avoided causing thus, the serious situation such as straight-through.
Description of drawings
Fig. 1 is the hyperchannel cycle synchronisation tuning controller schematic diagram that the utility model relates to;
Fig. 2 is that a kind of hyperchannel cycle synchronisation tuning controller that the utility model relates to is controlled the six-phase motor schematic diagram;
Fig. 3 is a kind of hyperchannel cycle synchronisation tuning controller embodiment that the utility model relates to;
Fig. 4 is the recurrence interval synchronization principles figure that the utility model relates to.
Embodiment
In conjunction with the accompanying drawings and embodiments, the technical solution of the utility model is further described in detail as follows:
Embodiment 1:
As shown in Figure 1, a kind of hyperchannel cycle synchronisation tuning controller is comprised of a Centralized Controller and the channel controller that is distributed in a plurality of passages, has one to be the main channel controller in channel controller, and other is from channel controller; Channel controller comprises passage independently sample circuit, shared sample circuit, output circuit, the communication interface circuit of passage; Centralized Controller and all channel controller form to be concentrated-distributed network; Centralized Controller is used for focusing on and the communicating by letter of external interface, and channel controller is used for controlling respective channel; Channel controller also comprises reserves coordinating communication interface circuit 1, core control circuit 2 and cycle synchronisation circuit 3; The cycle synchronisation circuit 3 of channel controller is to connect successively the adjacent next one from the cycle synchronisation circuit 3 of channel controller headed by the controller of main channel; The reservation coordinating communication interface 1 of all channel controllers is interconnected when needed, forms a public reservation coordination network.
Embodiment 2:
Different from above-described embodiment 1 is, furtherly, concentrate-distributed network, be used for according to the coordination system determine all channel controllers be one main many from rapport, comprise that namely a main channel controller and at least one are from channel controller, and the controlled quentity controlled variable that need coordinate between definite passage, determine that the controlled quentity controlled variable of coordination is being communicated by letter on concentrated-distributed network or reserved on coordination network and communicating by letter.
Embodiment 3:
Different from above-described embodiment 2 is, furtherly, when the Content of Communication of Centralized Controller and channel controller is less, determines concentrating-communicate by letter on distributed network, need not to connect to reserve coordination network; When the Content of Communication of Centralized Controller and channel controller is more, determine to communicate by letter on the reservation coordination network.
Embodiment 4:
Different from above-described embodiment 2 is, furtherly, the coordination controlled quentity controlled variable of communicating by letter on concentrated-distributed network or reservation coordination network comprises: the coordination controlled quentity controlled variable of given instruction, outer shroud, interior ring and part input also comprises the poor coordination controlled quentity controlled variable of interchannel cycle synchronisation mode, fixed skew and variation phase of exporting pulse; Outer shroud is coordinated controlled quentity controlled variable and is comprised rotating speed outer shroud, outer voltage, power outer shroud coordination controlled quentity controlled variable; Interior ring is coordinated controlled quentity controlled variable and is comprised ring in current inner loop, torque, Voltage Reference coordination controlled quentity controlled variable.
Embodiment 5:
Different from above-described embodiment 1 is that furtherly, the coordination controlled quentity controlled variable of communicating by letter on concentrated-distributed network or reservation coordination network also comprises redundancy scheme; Redundancy scheme is that other passage is kept operation when a channel failure, realizes falling the hot backup of power.
Embodiment 6:
Different from above-described embodiment 1 is, furtherly, the cycle synchronisation circuit (3) of channel controller comprises inter-sync circuit and outer synchronizing circuit, its China and foreign countries' synchronizing circuit comprises a synchronizing signal transmission interface and a synchronizing signal receiving interface, and outer synchronizing circuit also comprises the impulsive synchronization correction module; The inter-sync circuit is used for keeping the recurrence interval of this passage to synchronize with the execution cycle of core control circuit (2), and interchannel is coordinated cycle synchronisation; Outer synchronizing circuit is used for keeping synchronizeing with the recurrence interval of connected passage; The impulsive synchronization correction module is synchronous at above-mentioned execution cycle, coordinate be used for realizing impulsive synchronization, and error correction to be carried out in pulse to mistake under cycle synchronisation and synchronous effect of recurrence interval.
Embodiment 7:
Different from above-described embodiment 6 is, furtherly, synchronizing signal transmission interface with the main channel controller connects the adjacent next one from the synchronizing signal receiving interface of channel controller, this is first from channel controller from channel controller, if also have from channel controller, previous synchronizing signal transmission interface from channel controller connects the adjacent next one successively from the synchronizing signal receiving interface of channel controller; The main channel controller cycle is from synchronizing signal transmission interface output recurrence interval synchronizing signal, first from channel controller according to this signal, upgrade the periodic basis of cycle synchronisation circuit 3 and the core control circuit 2 of this channel controller; Successively, previous output from channel controller periodicity from the synchronizing signal transmission interface by the recurrence interval synchronizing signal after synchronous, the adjacent next one according to this signal, upgrades the periodic basis of cycle synchronisation circuit 3 and the core control circuit 2 of this channel controller from channel controller.
Embodiment 8:
By reference to the accompanying drawings 2, Fig. 3 and Fig. 4 illustrate the present embodiment jointly.
As shown in Figure 2, the described hyperchannel cycle synchronisation of accompanying drawing 3 tuning controller is used for the driving of six-phase motor to be controlled, and wherein the type of attachment of six-phase motor is two Y.
As shown in Figure 3, the present embodiment is comprised of a Centralized Controller and two channel controllers.Wherein Centralized Controller is PLC, and two external device communications: man-machine interface OP equipment and control and monitor console.Centralized Controller carries out PROFIBUS-DP with OP communicates by letter, and OP shows service data on the spot; Centralized Controller carries out PROFIBUS-DP with control and monitor console communicates by letter, and control and monitor console shows data and processes.Two channel controllers are respectively the main channel controller and from channel controller, form the RS-485/Modbus network with Centralized Controller.Main channel controller control channel 1 frequency converter, three phase windings of a passage of driving six-phase motor, the voltage and current of independent sample passage 1, common sampling location signal; From channel controller control channel 2 frequency converters, drive three phase windings of two passages of six-phase motor, the voltage and current of independent sample passage 2, common sampling location signal.
In the present embodiment, the communication data of Centralized Controller and channel controller comprises: the information such as real-time alternating voltage, alternating current and dc voltage and current, rotating speed, temperature, malfunction.Passage is coordinated to be implemented by the CAN communication of channel controller.Coordination comprises: the rotating speed sampling of passage, current reference value, voltage reference value, periodic quantity, pulse phase difference, fault-signal.
In the present embodiment, determine from channel controller take Coordination as with reference to base value.During from the channel controller fault, the passage 2 frequency converter automatic parallel offs of its control; And the passage 1 transducer drive motor single channel operation that the main channel controller is controlled.During the main channel controller failure, the passage 1 frequency converter automatic parallel off of its control; And be automatically upgraded to master controller from channel controller, control channel 2 transducer drive motor single channel operations.
As shown in Figure 4, the core circuit 2 of the present embodiment channel controller is that DSP circuit, recurrence interval synchronizing circuit 3 are the FPGA circuit.The inter-sync logic of FPGA is the inter-sync circuit, and its outer synchronous logic is outer synchronizing circuit.Outer synchronizing circuit also comprises a synchronous optical fiber transmit port of recurrence interval, a synchronous optical fiber receiving port of recurrence interval and an impulsive synchronization error correction logic.
In the present embodiment, synchronous optical fiber transmit port of the recurrence interval of main channel controller is connected by optical fiber between the optical fiber receiving port with synchronizeing from the recurrence interval of channel controller.The FPGA circuit evolving periodic basis of main channel controller; Through its inter-sync logic, proofread and correct the DSP sampling period; Synchronous optical fiber transmit port transmission of synchronous logic and recurrence interval synchronizing signal arrives from channel controller outside it.From the cycle of the FPGA circuit evolving self of channel controller, its outer synchronous logic is according to the synchronizing signal calibration cycle benchmark that receives, and through its inter-sync logic, proofreaies and correct its DSP sampling period.
The Voltage Reference Coordination of receiving from channel controller in the present embodiment generates real-time pulse with the period ratio of being synchronizeed, and keeps the impulsive synchronization that generates with the main channel controller.
In the present embodiment, FPGA pulse error correction logic inspection brachium pontis is managed the bursts of error of pulse, synchronizing moment up and down, and corrects, and avoids the generation of mistake pulse.
Claim protection domain of the present utility model is not limited to above-described embodiment.
Claims (8)
1. a hyperchannel cycle synchronisation tuning controller, be comprised of a Centralized Controller and the channel controller that is distributed in a plurality of passages, has one to be the main channel controller in described channel controller, and other is from channel controller; Channel controller comprises passage independently sample circuit, shared sample circuit, output circuit, the communication interface circuit of passage, it is characterized in that:
Centralized Controller and all channel controller form to be concentrated-distributed network;
Channel controller also comprises reserves coordinating communication interface circuit (1), core control circuit (2) and cycle synchronisation circuit (3);
The cycle synchronisation circuit (3) of described channel controller is to connect successively the adjacent next one from the cycle synchronisation circuit (3) of channel controller headed by the controller of main channel;
The reservation coordinating communication interface (1) of all described channel controllers is interconnected when needed, forms a public reservation coordination network.
2. hyperchannel cycle synchronisation tuning controller as claimed in claim 1, is characterized in that, described Centralized Controller is used for focusing on and the communicating by letter of external interface, and described channel controller is used for controlling respective channel.
3. hyperchannel cycle synchronisation tuning controller as claimed in claim 1, it is characterized in that, described concentrating-distributed network, be used for according to the coordination system determine all channel controllers be one main many from rapport, comprise that namely a main channel controller and at least one are from channel controller, and the controlled quentity controlled variable that need coordinate between definite passage, determine that the controlled quentity controlled variable of coordination is being communicated by letter on concentrated-distributed network or reserved on coordination network and communicating by letter.
4. hyperchannel cycle synchronisation tuning controller as claimed in claim 3, is characterized in that, when the Content of Communication of described Centralized Controller and channel controller is less, determines to communicate by letter on concentrated-distributed network, need not to connect the reservation coordination network; When the Content of Communication of described Centralized Controller and channel controller is more, determine to communicate by letter on the reservation coordination network.
5. hyperchannel cycle synchronisation tuning controller as claimed in claim 3, it is characterized in that, the coordination controlled quentity controlled variable of communicating by letter on described concentrating-distributed network or reservation coordination network comprises: the coordination controlled quentity controlled variable of given instruction, outer shroud, interior ring and part input also comprises the poor coordination controlled quentity controlled variable of interchannel cycle synchronisation mode, fixed skew and variation phase of exporting pulse; Described outer shroud is coordinated controlled quentity controlled variable and is comprised rotating speed outer shroud, outer voltage, power outer shroud coordination controlled quentity controlled variable; Described interior ring is coordinated controlled quentity controlled variable and is comprised ring in current inner loop, torque, Voltage Reference coordination controlled quentity controlled variable.
6. hyperchannel cycle synchronisation tuning controller as claimed in claim 3, is characterized in that, the coordination controlled quentity controlled variable of communicating by letter on described concentrating-distributed network or reservation coordination network also comprises redundancy scheme; Described redundancy scheme is that other passage is kept operation when a channel failure, realizes falling the hot backup of power.
7. hyperchannel cycle synchronisation tuning controller as claimed in claim 1, it is characterized in that, the cycle synchronisation circuit (3) of described channel controller comprises inter-sync circuit and outer synchronizing circuit, its China and foreign countries' synchronizing circuit comprises a synchronizing signal transmission interface and a synchronizing signal receiving interface, and outer synchronizing circuit also comprises the impulsive synchronization correction module; Described inter-sync circuit is used for keeping the recurrence interval of this passage to synchronize with the execution cycle of core control circuit (2), and interchannel is coordinated cycle synchronisation; Described outer synchronizing circuit is used for keeping synchronizeing with the recurrence interval of connected passage; The impulsive synchronization correction module is synchronous at above-mentioned execution cycle, coordinate be used for realizing impulsive synchronization, and error correction to be carried out in pulse to mistake under cycle synchronisation and synchronous effect of recurrence interval.
8. hyperchannel cycle synchronisation tuning controller as claimed in claim 7, it is characterized in that, synchronizing signal transmission interface with described main channel controller connects the adjacent next one from the synchronizing signal receiving interface of channel controller, this is first from channel controller from channel controller, if also have from channel controller, previous synchronizing signal transmission interface from channel controller connects the adjacent next one successively from the synchronizing signal receiving interface of channel controller; Described main channel controller cycle is from synchronizing signal transmission interface output recurrence interval synchronizing signal, first from channel controller according to this signal, upgrade the periodic basis of cycle synchronisation circuit (3) and the core control circuit (2) of this channel controller; Successively, previous output from channel controller periodicity from the synchronizing signal transmission interface by the recurrence interval synchronizing signal after synchronous, the adjacent next one according to this signal, upgrades the periodic basis of cycle synchronisation circuit (3) and the core control circuit (2) of this channel controller from channel controller.
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| CN2013202968677U CN203275995U (en) | 2013-05-28 | 2013-05-28 | Multichannel period synchronization coordination controller |
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| CN2013202968677U CN203275995U (en) | 2013-05-28 | 2013-05-28 | Multichannel period synchronization coordination controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660083A (en) * | 2013-11-19 | 2015-05-27 | Ls产电株式会社 | Apparatus for controlling paralleled inverter |
| CN105915082A (en) * | 2016-04-21 | 2016-08-31 | 中国船舶重工集团公司第七〇二研究所 | High-voltage high-power battery simulation equipment |
| CN111446890A (en) * | 2020-03-25 | 2020-07-24 | 武汉迈信电气技术有限公司 | Encoder with current detection function and current detection method |
-
2013
- 2013-05-28 CN CN2013202968677U patent/CN203275995U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660083A (en) * | 2013-11-19 | 2015-05-27 | Ls产电株式会社 | Apparatus for controlling paralleled inverter |
| EP2874302A3 (en) * | 2013-11-19 | 2015-10-07 | LSIS Co., Ltd. | Apparatus for controlling paralleled inverter |
| US9806631B2 (en) | 2013-11-19 | 2017-10-31 | Lsis Co., Ltd. | Apparatus for controlling paralleled inverter |
| CN105915082A (en) * | 2016-04-21 | 2016-08-31 | 中国船舶重工集团公司第七〇二研究所 | High-voltage high-power battery simulation equipment |
| CN111446890A (en) * | 2020-03-25 | 2020-07-24 | 武汉迈信电气技术有限公司 | Encoder with current detection function and current detection method |
| CN111446890B (en) * | 2020-03-25 | 2022-02-11 | 武汉迈信电气技术有限公司 | Encoder with current detection function and current detection method |
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Effective date of registration: 20151009 Address after: 430064, Wuhan City, Hubei province Hongshan District Lion Hill Street South Lake (steam School Village) Patentee after: Wuhan Changhai electric propulsion and chemical power supply Co.,Ltd. Address before: 430064 Hubei City, Hongshan District, lion street, steam school, a village Patentee before: The 712nd Research Institute of China Shipbuilding Industry Corporation |
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Granted publication date: 20131106 |