CN202995418U - Multiple-power-supply ATS signal processing system based on multiprocessor - Google Patents
Multiple-power-supply ATS signal processing system based on multiprocessor Download PDFInfo
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- CN202995418U CN202995418U CN2012206634740U CN201220663474U CN202995418U CN 202995418 U CN202995418 U CN 202995418U CN 2012206634740 U CN2012206634740 U CN 2012206634740U CN 201220663474 U CN201220663474 U CN 201220663474U CN 202995418 U CN202995418 U CN 202995418U
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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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Abstract
A multiple-power-supply ATS signal processing system based on a multiprocessor is disclosed. The system comprises a first processor, a second processor, a third processor, a plurality of three-phase voltage signal acquisition modules, a plurality of circuit breaker position signal acquisition modules, a plurality of phase difference acquisition modules between any two-phase power supplies, a plurality of power supply A phase voltage frequency signal acquisition modules and a display. By using the multiple-power-supply ATS signal processing system based on the multiprocessor provided in the utility model, an instantaneous voltage current acquisition function is possessed. Because the system possesses a processing configuration of the multiprocessor, a large amount of data can be simultaneously processed and working in a complex control system is completed. In addition, through carrying out modularization processing on the three processors, a real-time processing ability of the whole system, and data sampling and analysis ability can be increased. The system can be applied in a complex multiple-power-supply ATS control system.
Description
Technical field
The utility model belongs to technical field of electrical equipment, particularly relates to a kind of many power supplys ATS signal processing system based on multiprocessor.
Background technology
Can carry out smoothly in order to guarantee commercial production; avoid causing shutdown because of electric power system fault; enterprise all adopts dual power supply fanout operation or " one main one is standby " power supply mode in the Large Scale and Continuous manufacture such as petrochemical complex, oil field, metallurgy, electric power; when occurring cutting off the power supply to guarantee one road power supply to break down, another road power supply can drop into immediately.This type of occasion adopts dual-power automatic switching device (ATS) to carry out the switching of power supply usually.Dual-power automatic switching device mainly comprises motor, two isolating switchs, escapement and controllers, and wherein two isolating switchs are connected on the two-way power supply; Utilize the driven by motor escapement to rotate during conversion under the control of controller, thereby two isolating switchs are divided, close.
But, dual-power automatic switching device commonly used usually can only be controlled and change the isolating switch that is connected on active and standby two-way power lead in the market, now increasing industrial and mining enterprises, adopt more and more the multiple feed mode as the important electricity consumption occasion in the industries such as railway, power plant, power supply administration, electric power network and communication, at this moment adopt many power supply automatic converting devices to carry out the switching of power supply with regard to needing.
In addition, at some special occasions, the needs in order to ensure the power supply load can not be cut off the power supply at any time can use a plurality of dual power supply ATS connection in series-parallel, do like this tending to cause the waste of ATS to use.In addition, supply electrical domain at some, sometimes need active and standby two-way power supply paired running within the short time, if rashly that the two-way power supply is in parallel in the inconsistent situation of two-way power parameter, might cause serious electric power accident, so need to carry out electric detection to all loops within the short time at the utmost point, and response condition is made timely reflection, to ensure the safety of whole electric power system.And the ATS controller of selling in the market is can't accomplish in 110 μ s, multiple power supplies is detected simultaneously and changes.
Summary of the invention
In order to address the above problem, the purpose of this utility model be to provide a kind of can real-time response, processing accuracy is high, and can satisfy the many power supplys ATS signal processing system based on multiprocessor of high-end user request for utilization.
In order to achieve the above object, the many power supplys ATS signal processing system based on multiprocessor that provides of the utility model comprises phase differential acquisition module between first processor, the second processor, the 3rd processor, a plurality of three-phase voltage signal acquisition module, a plurality of circuit breaker position signal acquisition module, a plurality of any two-phase power supply, a plurality of power supply A phase voltage frequency signal acquisition module and display; Wherein a plurality of three-phase voltage signal acquisition modules are connected between multiple power supplies and first processor; A plurality of circuit breaker position signal acquisition module are connected on many power automatic transfer switchs electrical equipment between a plurality of isolating switchs and the second processor; Between a plurality of any two-phase power supplies, phase differential acquisition module and a plurality of power supply A phase voltage frequency signal acquisition module are connected between multiple power supplies and the second processor; Interconnect by data bus between first processor, the second processor and the 3rd processor; The 3rd processor is connected with controller on many power automatic transfer switchs electrical equipment with display.
The model of described first processor and the second processor is PIC24HJ64GP206, and the model of the 3rd processor is PIC24FJ256GA110.
Described the 3rd processor is connected with host computer by 485 communication buses, joins with the generator startup module that is connected on standby power supply simultaneously.
The many power supplys ATS signal processing system based on multiprocessor that the utility model provides not only has instantaneous voltage current acquisition function, and because it has the processing framework of multiprocessor, so can process simultaneously mass data, complete the work under complex control system.In addition, by three processors are carried out modularized processing, can improve the processing capability in real time of whole system, data sampling, analysis ability can be with system applies in many power supplys ATS of complexity control system.In addition, native system has the multiple power supplies parallel function, error in parallel can be reduced to 110 μ s, reaches the UL Valuation Standard.
Description of drawings
Fig. 1 consists of block diagram for the many power supplys ATS signal processing system based on multiprocessor that the utility model provides.
Fig. 2 for the utility model provide based on wiring diagram between different processor in many power supplys ATS signal processing system of multiprocessor.
Fig. 3 for the utility model provide based on first processor control method process flow diagram in many power supplys ATS signal processing system of multiprocessor.
Fig. 4 for the utility model provide based on the second processor control method process flow diagram in many power supplys ATS signal processing system of multiprocessor.
Fig. 5 for the utility model provide based on the 3rd processor control method process flow diagram in many power supplys ATS signal processing system of multiprocessor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the many power supplys ATS signal processing system based on multiprocessor that the utility model provides is elaborated.
As shown in Figure 1 and Figure 2, the many power supplys ATS signal processing system based on multiprocessor that provides of the utility model comprises phase differential acquisition module 6 between first processor 1, the second processor 2, the 3rd processor 3, a plurality of three-phase voltage signal acquisition module 4, a plurality of circuit breaker position signal acquisition module 5, a plurality of any two-phase power supply, a plurality of power supply A phase voltage frequency signal acquisition module 7 and display 8; Wherein a plurality of three-phase voltage signal acquisition modules 4 are connected between multiple power supplies and first processor 1; A plurality of circuit breaker position signal acquisition module 5 are connected on many power automatic transfer switchs electrical equipment between a plurality of isolating switchs and the second processor 2; Between a plurality of any two-phase power supplies, phase differential acquisition module 6 and a plurality of power supply A phase voltage frequency signal acquisition module 7 are connected between multiple power supplies and the second processor 2; Interconnect by data bus between first processor 1, the second processor 2 and the 3rd processor 3; The 3rd processor 3 is connected with controller on many power automatic transfer switchs electrical equipment with display 8.
The model of described first processor 1 and the second processor 2 is PIC24HJ64GP206, and the model of the 3rd processor 3 is PIC24FJ256GA110.
Described the 3rd processor 3 is connected with host computer by 485 communication buses, joins with the generator startup module that is connected on standby power supply simultaneously.
The many power supplys ATS signal processing system principle of work based on multiprocessor that now the utility model is provided is described below: first processor 1 is by the A/B/C three-phase voltage of three-phase voltage signal acquisition module 4 Real-time Collection multiple power supplies, and calculate the voltage effective value of each phase, then send the 3rd processor 3 to; The second processor 2 gathers the position signalling of coupled isolating switch by circuit breaker position signal acquisition module 5, by the phase signal between every two-way power supply and the A phase voltage frequency signal of every road power supply on phase differential acquisition module 6 between any two-phase power supply and power supply A phase voltage frequency signal acquisition module 7 collection multiple power supplies, then these signals are sent to the 3rd processor 3 simultaneously; The 3rd processor 3 is collected above-mentioned data, and make comprehensive judgement according to present voltage, frequency, phase differential, on off state, then the controller by the isolating switch that is connected with optimal power supply is this closing of power circuit breaker, and control display device 8 shows.In addition, the 3rd processor 3 can carry out communication by 485 communication buses and host computer, makes host computer can learn at a distance the state of current isolating switch or multiple power supplies.When using generator to power as downstream load as standby power supply on the second road power supply or Third Road power supply as the user, in case first via power supply does not have electricity, issue the electric motor starting module in the control of the 3rd processor 3 and will send corresponding generator enabling signal, make the generator connecting in parallel with system on the second road power supply or Third Road power supply, be the downstream load power supply.
What as shown in Figure 3, the utility model provided comprises based on first processor 1 control method in many power supplys ATS signal processing system of multiprocessor the following step that carries out in order:
1) the S1 stage of device initialize: at first system carries out power-up initializing and related hardware self check to hardware;
2) power distribution voltage is carried out the S2 stage of multi-point sampling: first processor 1 utilizes A, B, the C phase voltage of the power supply that analog-digital conversion function provides the current power system to carry out multi-point sampling, and storage;
3) calculate the S3 stage of current power distribution voltage: 32 magnitudes of voltage of 1 pair of above-mentioned sampling of first processor and storage carry out effective value and calculate, to draw current voltage effective value;
4) the S4 stage that whether current voltage is had problems and judge: judge current voltage whether decompression, under-voltage, superpressure, disconnected phase, belong to above-mentioned four kinds of abnormal voltages if judge voltage, enter the S5 stage, otherwise enter the S8 stage;
5) to the time-delay number of times whether greater than the 1 S5 stage that judges: be to enter the S6 stage, otherwise return to the S3 stage if judgment result is that;
6) the S6 stage of time-delay zone bit zero clearing: due to still undesired through supply voltage after time-delay, the zone bit zero clearing of delaying time;
7) first processor is forced the S7 stage of communication: for problem rapid feedback to the three processors 3 with power supply, open the pressure communication port of first processor 1;
8) idle supply voltage is carried out the S8 stage of 16 point samplings: first processor 1 utilizes analog-digital conversion function to carry out 16 point samplings to A, B, the C phase voltage of idle power supply, and storage;
9) calculate the S9 stage of idle supply voltage: 16 data of 1 pair of above-mentioned sampling of first processor and storage are carried out effective value calculating, to draw current voltage effective value;
10) the S10 stage that whether idle supply voltage is had problems and judge: whether the idle supply voltage of judgement decompression, under-voltage, superpressure, disconnected phase, belong to above-mentioned four kinds of abnormal voltages if judge voltage, enter the S11 stage, otherwise finish this process;
11) to the time-delay number of times whether greater than the 1 S11 stage that judges: be to enter the S12 stage, otherwise return to the S8 stage if judgment result is that;
12) store the also S12 stage of clear flag position: due to still undesired through supply voltage after time-delay, preserve this problem, wait for being transferred to the 3rd processor 3.The zone bit zero clearing of delaying time simultaneously.
What as shown in Figure 4, the utility model provided comprises based on the second processor 2 control methods in many power supplys ATS signal processing system of multiprocessor the following step that carries out in order:
1) the S20 stage of device initialize: at first system carries out power-up initializing and related hardware self check to hardware;
2) to the paired running zone bit S21 stage whether set judges: check that the paired running zone bit of the second processor 2 whether by the 3rd processor 3 set, is to enter the S22 stage, otherwise enter the S25 stage if judgment result is that;
3) read the poor S22 stage of two power phases: detect and calculate the phase differential between every two-way power supply;
4) with S23 stage of zone bit zero clearing in parallel: remove zone bit in parallel;
5) the second processor is forced the S24 stage of communication: for problem rapid feedback to the three processors 3 that two power phases are poor, open the pressure communication port of the second processor 2;
6) read one by one the S25 stage of each circuit breaker position: the state that detects each isolating switch;
7) to the paired running zone bit S26 stage whether set judges: check that the paired running zone bit of the second processor 2 whether by the 3rd processor 3 set, is to return to the S22 stage, otherwise enter the S27 stage if judgment result is that;
8) read one by one the S27 stage of every road supply voltage frequency: detect the voltage status of every road power supply, then finish this process.
What as shown in Figure 5, the utility model provided comprises based on the 3rd processor 3 control methods in many power supplys ATS signal processing system of multiprocessor the following step that carries out in order:
1) the S30 stage of device initialize: at first system carries out power-up initializing and related hardware self check to hardware.
2) read the S30 stage of measured value: the 3rd processor 3 carries out the repeating query data communication with first processor 1, the second processor 2 at regular intervals, and reads the measurement data of first processor 1, the second processor 2;
3) show the S31 stage of current power supply status: the measurement data of first processor 1, the second processor 2 is presented on the screen of display 8;
4) logic judgement: select the optimum power supply for the distribution system power supply according to current circuit-breaker status and power supply status;
5) auto-action: according to the logic judged result, drive corresponding isolating switch action, then finish this process.
In actual use, during processing, communication often can be subject to wrong the interference, thereby makes system responses slack-off, or makes false judgment.For fear of the problems referred to above, the utility model adopts CRC communication check, by adding error-checking code in the communication data file, thereby can avoid the loss that causes because of misdata.
The most important thing is the communication between processor in the utility model, to utilize the spi bus structure between processor to carry out, prestissimo can reach 10Mbps, respectively as main frame and the slave of SPI communication, whole control system processor is in 2 grades of master slave modes to the 3rd processor 3 with first processor 1, the second processor 2.
Claims (3)
1. many power supplys ATS signal processing system based on multiprocessor, it is characterized in that: described many power supplys ATS signal processing system comprises phase differential acquisition module (6), a plurality of power supply A phase voltage frequency signal acquisition modules (7) and display (8) between first processor (1), the second processor (2), the 3rd processor (3), a plurality of three-phase voltage signal acquisition module (4), a plurality of circuit breaker position signal acquisition module (5), a plurality of any two-phase power supply; Wherein a plurality of three-phase voltage signal acquisition modules (4) are connected between multiple power supplies and first processor (1); A plurality of circuit breaker position signal acquisition module (5) are connected on many power automatic transfer switchs electrical equipment between a plurality of isolating switchs and the second processor (2); Between a plurality of any two-phase power supplies, phase differential acquisition module (6) and a plurality of power supply A phase voltage frequency signal acquisition modules (7) are connected between multiple power supplies and the second processor (2); Interconnect by data bus between first processor (1), the second processor (2) and the 3rd processor (3); The 3rd processor (3) is connected with controller on many power automatic transfer switchs electrical equipment with display (8).
2. the many power supplys ATS signal processing system based on multiprocessor according to claim 1, it is characterized in that: the model of described first processor (1) and the second processor (2) is PIC24HJ64GP206, and the model of the 3rd processor (3) is PIC24FJ256GA110.
3. the many power supplys ATS signal processing system based on multiprocessor according to claim 1, it is characterized in that: described the 3rd processor (3) is connected with host computer by 485 communication buses, joins with the generator startup module that is connected on standby power supply simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012206634740U CN202995418U (en) | 2012-12-05 | 2012-12-05 | Multiple-power-supply ATS signal processing system based on multiprocessor |
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| CN2012206634740U CN202995418U (en) | 2012-12-05 | 2012-12-05 | Multiple-power-supply ATS signal processing system based on multiprocessor |
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| CN2012206634740U Withdrawn - After Issue CN202995418U (en) | 2012-12-05 | 2012-12-05 | Multiple-power-supply ATS signal processing system based on multiprocessor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104753166B (en) * | 2013-12-25 | 2017-09-22 | 施耐德电器工业公司 | Polymorphic type multi-mode automatic transfer switching equipment and its method |
| CN107910952A (en) * | 2017-10-31 | 2018-04-13 | 河北汉光重工有限责任公司 | A kind of power distribution equipment that more power supplys can be achieved and automatically switch |
-
2012
- 2012-12-05 CN CN2012206634740U patent/CN202995418U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104753166B (en) * | 2013-12-25 | 2017-09-22 | 施耐德电器工业公司 | Polymorphic type multi-mode automatic transfer switching equipment and its method |
| EP2903129B1 (en) * | 2013-12-25 | 2018-05-02 | Schneider Electric Industries SAS | Multi-type and multi-mode automatic transfer switching apparatus and method thereof |
| CN107910952A (en) * | 2017-10-31 | 2018-04-13 | 河北汉光重工有限责任公司 | A kind of power distribution equipment that more power supplys can be achieved and automatically switch |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20140924 |
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| RGAV | Abandon patent right to avoid regrant |